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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 113. Отображено 100.
18-08-2023 дата публикации

Proportional valve automatic test system and test method applied to laser cutting

Номер: CN116609051A
Автор: YANG WEI, MA CHI, LI QIANG, LIU XUESHI
Принадлежит:

The invention belongs to the technical field of air valve detection, and particularly provides a proportional valve automatic test system and test method applied to laser cutting, the system comprises an air path unit, and the air path unit is connected with an upper computer through a control unit; the control unit receives a control signal of an upper computer to control the opening and closing of the electromagnetic valve and the proportional valve, and outputs a corresponding stable voltage signal to the proportional valve according to the received control signal to control the proportional valve to output gas with set air pressure; the air pressure sensor collects air pressure signals of output air of the proportional valve, converts the air pressure signals into voltage signals and transmits the voltage signals to the upper computer through the control unit. The upper computer receives the test parameters set through the display interface, processes the received test parameters, outputs ...

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Номер записи: 1
26-05-2023 дата публикации

Method for screening vein quartz raw materials for preparing high-purity quartz sand with low gas-liquid inclusion

Номер: CN116159665A
Автор: PENG TUANER, ZHANG HAIQI, LIU GUANGXUE, LIU LEI, MA CHI, SHAO WEIHUA, CHANG XUEYONG
Принадлежит:

The invention provides a vein quartz raw material screening method for preparing high-purity quartz sand with low gas-liquid inclusion. The screening method comprises the following steps of selective crushing and dissociation, scrubbing and washing, dehydration and classification, atomization and pesticide application, surface modification, polishing and homogenization, sorting of coarse grains based on machine vision, pre-selection of tailings and discarding, screening of low gas-liquid inclusion particles based on transparency difference, and classification and utilization of different grades of raw material particles. According to the method, the screening of the high-purity quartz raw materials with low gas-liquid inclusion content and the graded utilization of the high-purity quartz raw materials with different transparencies are realized through particle size regulation, surface modification and transparency optimization of the quartz raw materials according to particle transparency ...

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Номер записи: 2
11-07-2023 дата публикации

Method for reducing operating temperature of server of monitoring system of ultra-high voltage transformer substation

Номер: CN116414198A
Автор: FAN YANG, MA CHI, HU CHENG, XIE LIANGDE, CHENG SHILIANG, YU XIAO, LI HAO, ZHU JUNCHENG, LI BEN, SUN JU, CHEN GUANGYU, CHEN LIANG, CHEN JIE, AI ZHENKE, DU PAN, YE TAO, LI WANCHENG, LYU LU, JIANG SHENGCHUAN, WANG HUAN, GUO DAIWEI, ZHOU DONG, NI XIAOXIONG, ZHAO YANG, FAN SONGTAO
Принадлежит:

The invention belongs to the technical field of high-voltage power transformation, and discloses a method for reducing the operating temperature of a server of a monitoring system of an ultra-high-voltage transformer substation. The method is characterized by comprising the following steps of improving the overall ventilation rate of the screen cabinet door, improving the observation convenience of the dust accumulation condition, adopting a convenient dust removal mode, and adopting the step of researching and developing a temperature real-time monitoring module. The system has the following main beneficial technical effects that the ventilation rate of the whole screen cabinet is greatly improved, the time consumed for checking the dust accumulation state of the dust cover is shortened, the dust cleaning speed of the air return opening is increased, and the temperature exceeding early warning response speed is increased; the operating temperature of the server of the monitoring system ...

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Номер записи: 3
26-09-2019 дата публикации

MODULAR PHASE-CHANGE ENERGY STORAGE HEAT EXCHANGER

Номер: WO2019179197A1
Автор: DENG, Tianlong, YU, Xiaoping, GUO, Yafei, HU, Jiayin, WANG, Shiqiang, MA, Chi
Принадлежит:

A modular phase-change energy storage heat exchanger. Phase-change materials are filled around circulating-water conveying pipes (13) and antifreeze fluid conveying pipes (12) in a case (5). One side of an opening portion of the case (5) is provided with a notch. A connector box (6) is embedded in the notch. The connector box (6) is evenly divided into four cavities by means of a cross-shaped partition (6-5). An outer side wall of an antifreeze fluid inlet cavity (6-3) is in communication connection with an antifreeze fluid inlet pipe connector. An outer side wall of an antifreeze fluid outlet cavity (6-8) is in communication connection with an antifreeze fluid outlet pipe connector. Two ends of the two antifreeze fluid conveying pipes (12) are respectively connected to the antifreeze fluid inlet cavity (6-3) and the antifreeze fluid outlet cavity (6-8). An outer side wall of a circulating-water inlet cavity (6-6) is in communication connection with a circulating-water inlet pipe connector ...

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Номер записи: 4
30-06-2023 дата публикации

Aero-engine lubricating oil quantity prediction method, device and equipment and storage medium

Номер: CN116362142A
Автор: XI QI, WANG JING, GU SHUHUAI, QIU PEIZHEN, MA CHI, XU GUIQIANG, ZHU POYU, XIE CHENGWANG
Принадлежит:

The invention relates to the field of aero-engines, in particular to an aero-engine lubricating oil quantity prediction method, which comprises the following steps of: constructing a flight parameter and lubricating oil quantity regression mapping model as a prediction module of a lubricating oil quantity prediction model through a recurrent neural network algorithm, and performing wavelet decomposition on a lubricating oil quantity time sequence and a flight parameter time sequence to obtain a lubricating oil quantity prediction model; the corresponding scale function is used as the training data, the sequence length of the training data is effectively reduced, the problems of gradient disappearance and gradient explosion in the long-time sequence training process can be solved, the fitting capacity of the training data with time dependence is higher, and the training efficiency is improved. The prediction module can accurately reflect the correlation between the flight parameters and ...

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Номер записи: 5
29-08-2023 дата публикации

Hollow screw and proximal femur fracture internal fixation system formed by same

Номер: CN116650089A
Автор: ZHANG LICHENG, CUI XIANG, MA CHI, YIN PENGBIN, LI JIA, JIANG YUHENG, LI RAN, WANG ZHONGQI, NIU RUIHAN, SUN XINYU, TANG PEIFU
Принадлежит:

The hollow screw comprises a hollow screw body and a tension rope, the hollow screw body is provided with a tip part and a tail part, a through hole of the hollow screw body extends from the tip part to the tail part, the tip part of the hollow screw body is provided with a tension rope fixing part, and the front end of the tension rope is connected with the tension rope fixing part. The tail end of the tension rope penetrates through the through hole of the hollow screw body and extends out of the tail portion of the hollow screw body, the invention further provides a proximal femur fracture internal fixation system, and the interior of the proximal femur can be supported and fixed through a triangular structure composed of the main screw, the head screw and the hollow screw; and through mutual matching of the tension rope and the hollow screw body, the traction effect can be achieved between the main screw and the head screw, the defect that a traditional internal fixing structure lacks ...

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Номер записи: 6
13-06-2023 дата публикации

Overspeed protection system of steam turbine

Номер: CN116255209A
Автор: WANG ZHICHAO, MA CHI, ZHANG XIAOLONG
Принадлежит:

The invention provides a steam turbine overspeed protection system, relates to the technical field of steam turbine safety, and comprises at least two sets of steam turbine overspeed protection devices installed at different positions of a gear of a steam turbine, and the at least two sets of steam turbine overspeed protection devices collect the rotating speed of the gear at the positions. And when the rotating speeds collected by the at least two sets of turbine overspeed protection devices meet the overspeed condition, a control signal is sent to the switching device, the switching device responds to the control signal and controls the turbine to stop rotating, and the at least two sets of turbine overspeed protection devices are redundantly distributed at different positions of a gear of the turbine. According to the invention, the redundancy of rotating speed acquisition is improved, so that the steam turbine can quickly respond during overspeed protection, and when part of at least ...

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Номер записи: 7
11-04-2023 дата публикации

Safety warning equipment convenient to move and used for power supply maintenance

Номер: CN115953959A
Автор: LIU CHANGDAO, XU LEI, LIU CHENGHUA, WU NAIHAORUI, MA CHI, ZHAO XIANGLONG, LI XIAOLONG
Принадлежит:

The invention relates to convenient-to-move safety warning equipment for power supply maintenance. The convenient-to-move safety warning equipment comprises a plastic base, a mounting space, an avoiding groove, a telescopic supporting assembly, a driving assembly, a control handle, an air bag warning assembly, a top cover, a clamping limiting piece and an inflation assembly. The top and the bottom of the plastic base are both provided with mounting spaces, the two ends of the plastic base are both provided with receding grooves, and the driving assembly is mounted at the bottom of the plastic base and connected with the control handle; during use, the control handle can control the driving assembly to move the plastic base; during use, the driving assembly can be controlled through the control handle to move the plastic base. When the warning device needs to be used, the telescopic supporting assembly vertically penetrates through the receding groove and is connected with the top cover ...

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Номер записи: 8
06-06-2023 дата публикации

Method for converting foundation pit BIM entity model into SAP2000 structure model

Номер: CN116226954A
Автор: LIU YIMING, CHEN BAOHUA, MA CHI, LIU GUONAN, CONSULTANCY TIAN, XU YUSHENG, JIANG HUIHUANG, FU LIANZHU, LIU FENG, LIN QINGSHENG, GUO YALEI, ZHANG ZHIPING, LIU BAOKUI, WU YINGJUN, GAO MINGXIAN
Принадлежит:

The invention discloses a method for converting a foundation pit BIM entity model into an SAP2000 structure model, and provides a method for converting the BIM into the SAP2000 structure model based on an IFC standard by analyzing information description modes of respective model files of BIM software ArchiCAD and finite element analysis software SAP2000, and performs model conversion through a model conversion program ArchiCAD ToSAP2000 to convert the foundation pit BIM entity model into the SAP2000 structure model.

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Номер записи: 9
04-08-2023 дата публикации

Service health detection method and device, electronic equipment and storage medium

Номер: CN116545905A
Автор: LIU MINGWEI, LIU BO, DAI HAOQI, MA CHI, WANG JINHE, NAOLAN GETSU, FAN ZHONGKAI, LIANG ZIJIAN
Принадлежит:

The embodiment of the invention discloses a service health detection method and device, electronic equipment and a storage medium. The method is applied to a health detection service, and comprises the following steps: in response to a health detection instruction, for a target service to be subjected to health detection in at least one alternative service, obtaining a health detection address of the target service; an access operation is executed on an expressive state transition interface corresponding to the health detection address, and the expressive state transition interface is obtained by pre-defining the target service; and receiving response data returned by the expressive state transition interface for the access operation, and determining the health state of the target service based on the response data. According to the technical scheme of the embodiment of the invention, unified health detection of multiple services is realized.

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Номер записи: 10
29-08-2023 дата публикации

Compositions for caring for keratin materials

Номер: CN116669688A
Автор: MA CHI, WANG XIUXIA
Принадлежит:

Provided herein is a composition for caring for keratin materials, comprising, consisting essentially of, or consisting of: A) at least two bifunctional antioxidants selected from acidic hydroxyl-containing compounds, which also act at least as whitening agents; and B) at least two polyols that are liquid at room temperature wherein at least one of the polyols is a C2-C6 polyol having 2 or 3 hydroxyl groups wherein the composition is anhydrous.

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Номер записи: 11
16-05-2023 дата публикации

Method for measuring center position of tilting shaft of tool rest of gear processing machine tool

Номер: CN116117599A
Автор: WANG SHILONG, XIA MAOHAO, MA CHI, DONG JIANPENG, JIANG LIN, DING CHUANG, YI LILI, WANG SIBAO, KANG LING, WANG JUN, YANG YONG
Принадлежит:

The invention discloses a method for measuring the center position of a tilting shaft of a tool rest of a gear processing machine tool, and the method comprises the following steps: 1, a measuring tool is installed on a tool shaft, the measuring tool comprises a receiving disc and a pin shaft, the receiving disc is fixedly installed on the tool shaft, and the pin shaft is installed on the receiving disc and is located in the radial direction of the receiving disc; 2, rotating the tool shaft to enable the axis of the pin shaft to be parallel to the axis of the tool rest tilting shaft; 3, preliminarily determining the axis position of a tool rest tilting shaft; and 4, accurately calculating the axis position of the tool rest tilting shaft. The method can be suitable for any gear machining machine tool needing tool rest tilting and limited in rotation range, such as a worm grinding wheel gear grinding machine, a forming gear grinding machine, a gear hobbing machine and a gear turning machine ...

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Номер записи: 12
04-07-2023 дата публикации

Long-life quartz crucible capable of improving first rod crystallization rate of monocrystalline silicon

Номер: CN116377579A
Автор: LI ZONGHUI, WANG ZHEN, MA LI, ZHANG ZHIQIANG, MA CHI
Принадлежит:

The invention relates to a long-life quartz crucible for improving the crystallization rate of a first rod of monocrystalline silicon. The long-life quartz crucible is characterized in that a, a barium/strontium coating is arranged on the inner side of the bottom wall of a transparent layer of the quartz crucible; b, preparing a bottom wall of a transparent layer of the quartz crucible by using a barium/strontium doped quartz sand raw material; c, preparing the bottom wall of the transparent layer of the quartz crucible by using a quartz sand raw material with the metal impurity content of 20-50ppm; and d, preparing the bottom wall of the transparent layer of the quartz crucible by using the synthetic quartz sand raw material. According to the invention, the barium/strontium coating is arranged on the bottom wall of the transparent layer of the quartz crucible or the bottom wall of the transparent layer of the quartz crucible is prepared from doped raw materials, so that the crystallization ...

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Номер записи: 13
07-04-2023 дата публикации

Intelligent substation monitoring device

Номер: CN115942092A
Автор: LIU CHANGDAO, YANG GUOTIAN, MA CHI, SUN SHIQIANG, ZHAO XING, LIU ZHENLEI, LI QI, ZHAO XIANGLONG, LI XIAOLONG
Принадлежит:

The invention discloses an intelligent substation monitoring device, and belongs to the technical field of monitoring, the intelligent substation monitoring device comprises a monitoring camera, a mounting shell and a protective cover body, the monitoring camera is fixedly connected in the mounting shell, the protective cover body covers the outside of the monitoring camera, the outside of the protective cover body is provided with a cleaning brush, the cleaning brush is connected with the mounting shell, and the cleaning brush is connected with the mounting shell. And the top of the mounting shell is fixedly connected with a cleaning box. Cleaning liquid in the cleaning box can flow into the arc-shaped rod, the cleaning liquid entering the arc-shaped rod can flow out of the water outlet hole and is mixed with the cleaning part, the servo motor drives the arc-shaped rod to swing, and the cleaning part cleans the surface of the protective cover body through the cleaning liquid. The cleaning ...

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Номер записи: 14
25-08-2023 дата публикации

Method and device for modifying Nginx configuration information, equipment and medium

Номер: CN116647450A
Автор: LIU BO, MA CHI, LIU SHAOGUANG, LIANG ZIJIAN, FAN ZHONGKAI, WANG JINHE, NAOZANE GETSU, DAI HAOQI
Принадлежит:

The embodiment of the invention discloses a method and device for modifying Nginx configuration information, equipment and a medium. The method is applied to a server side and comprises the steps that an Nginx configuration information modification instruction sent by a client side is received, the Nginx configuration information modification instruction comprises candidate configuration modification information, and the candidate configuration modification information is determined through target Nginx parameter configuration based on a preset Nginx configuration file template of the client side; according to candidate configuration modification information in the Nginx configuration information modification instruction, determining target configuration modification information associated with the candidate configuration modification information; and according to the target configuration modification information, modifying the original Nginx configuration information in the Nginx server ...

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Номер записи: 15
27-08-2021 дата публикации

Inclined balance wheel transmission structure of inclined wheel sorting machine

Номер: CN214058945U
Автор: MA CHI, 马驰
Принадлежит: JINAN GICHEN AUTOMATION CO LTD, JINAN GICHEN AUTOMATION CO.,LTD., 山东集诚自动化设备有限公司

The utility model discloses an inclined wobble wheel transmission structure of an inclined wheel sorting machine, which comprises a main body, a plurality of main shaft rods are arranged at the top of the main body, the main shaft rods are vertically and horizontally arranged and are rotatably connected with the main body, and one end of each main shaft rod far away from the main body is fixedly connected with a second helical gear. The outer surface of the main shaft rod is sleeved with a balance wheel frame. The main shaft rod can drive the first bevel gear to rotate through the second bevel gear, the first bevel gear can drive the second belt wheel to rotate through the third rotating rod, the second belt wheel can drive the first belt wheel to rotate through the belt, and the first belt wheel can drive the balance wheel to rotate through the fourth rotating rod. And the structure is simple, the cost is low, maintenance is convenient when faults occur, and the objects can be better driven ...

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Номер записи: 16
02-05-2023 дата публикации

Method and system for monitoring starting valve failure of aircraft engine

Номер: CN116039949A
Автор: MA CHI, WEI YULIANG, QIAO TIAN, ZHENG WEINING, WANG XIAO
Принадлежит:

The invention provides a method for monitoring a starting valve fault of an aircraft engine, and the method comprises the steps: reading QAR data of a certain flight segment in a flight recorder, and decoding the QAR data to obtain corresponding engineering value data; determining a plurality of parameters related to the running state of the starting valve according to parameter names contained in the engineering value data, and acquiring a parameter value corresponding to each of the plurality of parameters at each moment in the leg; calculating the opening time and/or closing time of the starting valve at each moment based on industry regulations according to the obtained parameter values at each moment, and predicting the opening time and/or closing time of the starting valve at future moments through an exponential smoothing method; and when it is judged that the predicted opening time and/or closing time of the starting valve exceeds a set threshold value, it is determined that the ...

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Номер записи: 17
11-08-2023 дата публикации

Sericin purification device and purification method thereof

Номер: CN116571356A
Автор: WANG ZHIQIANG, LU FUTANG, ZHANG HUIHUA, XU BIN, GUO ZIKUAN, WANG HONGTAO, MA CHI, LI CHUNRONG, LU YAO, SUN DONGXIN
Принадлежит:

The invention provides a sericin purification device and method, the purification device comprises a flotation column, the flotation column comprises a vertical column shell, the bottom in the column shell is sequentially provided with a first foaming area, a second foaming area and a third foaming area from left to right, a first partition plate is arranged between the first foaming area and the second foaming area, and a second partition plate is arranged between the first foaming area and the third foaming area; a second partition plate is arranged between the second foaming area and the third foaming area, the upper end of the second partition plate is lower than the first partition plate, the lower end of the second partition plate is connected with the bottom of the cylindrical shell in a sealed mode, the first foaming area is provided with a liquid inlet pipe, and the third foaming area is provided with a liquid outlet pipe. Gas distributors are arranged at the bottoms of the first ...

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Номер записи: 18
02-05-2023 дата публикации

Method and device for determining cost of offshore wind plant

Номер: CN116051158A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses a cost determination method and device for an offshore wind plant. According to the method, the construction cost and port cost of the offshore wind plant are determined by obtaining related parameters of offshore wind plant construction, the total mechanical equipment cost of a fan is determined, and finally the total construction cost of the offshore wind plant is determined. According to the method for determining the cost of the offshore wind plant, particularity and complexity in the construction process of the offshore wind plant are comprehensively considered, the steps of development survey, equipment manufacturing, installation construction, operation maintenance and the like are involved, and the method for determining the cost of the offshore wind plant is provided for cost control of the offshore wind plant, therefore, the method can be used as a data basis for optimized arrangement of the offshore wind power plant, and a fan arrangement mode with high ...

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Номер записи: 19
01-08-2023 дата публикации

Investment relation prediction method and device and storage medium

Номер: CN116523654A
Автор: JIN BOHAO, CHEN LINGYUN, LI NING, LIU DONG, XU BIN, TANG XIN, LI WENTING, ZHANG WENYAN, HU WANLI, CHEN YAN, CHEN XU, ZHANG SHUQI, SHEN GUOCHENG, MA CHI, HUANG HAIFEI, LUO JIE
Принадлежит:

The invention discloses an investment relation prediction method and device and a storage medium. Wherein a first result is determined through a model training and evaluation module according to a pre-constructed graph feature, the graph feature is used for indicating a relationship among a plurality of companies, and the first result is used for indicating whether an investment relationship will be generated; determining a second result through a community discovery correction module according to a preset expert rule, wherein the second result is used for indicating whether an investment relationship is generated; and predicting whether an investment relationship is generated between the companies according to the first result and the second result.

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Номер записи: 20
17-11-2016 дата публикации

METHOD FOR PREPARING PROSTACYCLIN RECEPTOR AGONIST

Номер: WO2016180033A1
Автор: TANG, Fanghui, MA, Chi, JIA, Qiang
Принадлежит:

The present invention relates to a method for preparing prostacyclin receptor agonist 2-{4-[N-(5,6-diphenylpyrazine-2-yl)-N-isopropylamino]butoxy}-N-(methylylsulfonyl)acetamide, and also relates to a method for preparing intermediates thereof. The preparation method is easy to operate, environmentally friendly and suitable for industrial production, and the product has a good yield and a high purity.

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Номер записи: 21
06-06-2023 дата публикации

Position-based three-dimensional visual scheduling platform system

Номер: CN116233189A
Автор: YAN LING, MA YANBO, YU YI, ZANG YANJUN, YANG QINGXIN, HOU XUEHUI, ZHAO MIN, ZHANG YAN, SO IK-HWAN, JIN QI, ZHOU ZHAOMING, CHEN GUANLIN, REN ZHIJIE, FAN YAJING, MA CHI, JING LIANG, ZHANG YONGCHAO, JIN YANHU, SONG LIYANG, CHEN CHEN, LI SHUAIFU
Принадлежит:

The invention discloses a three-dimensional visual dispatching platform system based on positions, and belongs to the field of subway dispatching and commanding. The method comprises an equipment access service, a business background service, a dispatching desk client and other services. On the basis of the Bluetooth positioning technology, the digital twinborn technology is flexibly used for meeting the requirement of real-time position display of personnel, so that scheduling personnel can visually check the real-time position information of field operating personnel in the three-dimensional models of the station hall and the platform, and the real-time position display of the field operating personnel is realized. And multimedia fusion scheduling services such as personnel positioning, conventional voice and high-definition video under the scenes of station service operation, work class operation and maintenance, emergency communication and the like are realized through a trunking communication ...

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Номер записи: 22
14-07-2023 дата публикации

Automatic knowledge graph construction method and device in automobile authentication field and medium

Номер: CN116431835A
Автор: QI XIN, YAO YONG, HU WEI, LIU CHANGLING, XU RAN, MA CHI
Принадлежит:

The embodiment of the invention discloses an automatic knowledge graph construction method and device in the field of automobile authentication and a medium. The method comprises the following steps: regularly obtaining automobile authentication data of different authentication sources; packaging the automobile authentication data of different authentication sources into a plurality of entity classes with uniform structures according to the structural characteristics of the authentication data; specifically, if the authentication data of any authentication source is semi-structured data or non-structured data, a relation model of the authentication data is constructed; loading at least one entity model class in the authentication data according to the relation model, and packaging data contents in each entity model class into each entity class with a uniform structure; and constructing an authentication knowledge graph according to the plurality of entity classes.

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Номер записи: 23
09-05-2023 дата публикации

Cleaning equipment, cooler and transformer

Номер: CN116078721A
Автор: QIU ZHUMING, YANG MING, MA CHI, CHANG JIANG, WANG QIJUN, HAN CHUNLEI
Принадлежит:

The cleaning equipment comprises a guide rail, a walking unit and a cleaning unit, in the using process, the guide rail can be laid at the air inlet end of the cooler needing to be cleaned, when the cooler needs to be cleaned, the walking unit is started, the walking unit moves on the guide rail, and the cleaning unit is started to clean the cooler. Then the walking unit can drive the cleaning assembly to move on the guide rail, a rotating brush of the cleaning assembly rotates, the rotating brush can make contact with the air inlet end of the cooler, the rotating brush can clean sundries attached to the cooler, and the sundries can be temporarily stored in the collecting box after being cleaned; on the basis, the cooler can be efficiently cleaned by periodically starting the walking unit, on one hand, manual cleaning is not needed, and the cleaning efficiency can be improved; on the other hand, the cleaning efficiency can be guaranteed, efficient work of the cooler is guaranteed, and then ...

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Номер записи: 24
30-06-2023 дата публикации

Amphibious aircraft buoy, stamping die and manufacturing method

Номер: CN116353821A
Автор: YAO JIANAN, WANG WENCAI, LIU GANG, WANG LIFENG, MA CHI
Принадлежит:

The invention relates to an amphibious aircraft buoy, a stamping die and a manufacturing method. The amphibious aircraft buoy is in a hull shape and is formed by hot stamping of a thermoplastic composite material, and the thermoplastic composite material is composed of thermoplastic resin and reinforced fibers. The stamping die comprises an upper die body, a lower die body, a positioning device and a blank clamping device, the opposite surfaces of the upper die body and the lower die body are provided with a male die structure and a female die structure which are complementary, the positioning device is fixed to the lower die body, and the blank clamping device is used for clamping a blank to be stamped and formed and positioning the blank through the positioning device. And the blank is positioned and supported right above the female die structure. The manufacturing method comprises the following steps of providing a stamping die, preparing a blank, heating the blank, performing hot stamping ...

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Номер записи: 25
02-06-2023 дата публикации

Composite material control arm structure for automobile and processing technology of composite material control arm structure

Номер: CN116198266A
Автор: GU YONGTAO, SONG DONGHUI, MA CHI, DI EMEI, KIM HYUN, MA KAI, LU JIE
Принадлежит:

The invention relates to the field of automobile control arms, in particular to an automobile composite material control arm structure and a processing technology thereof.The automobile composite material control arm structure comprises a control arm body, the control arm body is formed by compounding a carbon fiber layer and a glass fiber prepreg layer, and the glass fiber prepreg layer is wrapped in the carbon fiber layer; the control arm body is provided with a ball pin installation part, a connecting pin installation part, a vertical edge and a shaft hole, and a shaft sleeve is installed in the shaft hole. The problems that after a reinforcing plate is additionally arranged on a control arm in a traditional mode, the risk that the body plate and the reinforcing plate are separated exists, and the risk that the connecting position of the body plate and the reinforcing plate is broken exists are solved; the effects of reducing the weight of the control arm body and increasing the strength ...

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Номер записи: 26
16-05-2023 дата публикации

Composite insulator non-contact defect detection system based on ultrasonic phased array

Номер: CN116124894A
Автор: FAN YANG, MA CHI, CHEN JIE, CHEN LIANG, WANG HUAN, GUO DAIWEI, LI BEN, ZHOU DONG, LI WANCHENG, LYU LU, YE TAO, FAN SONGTAO, NI XIAOXIONG, JIN XIAOMING, AI ZHENKE, DU PAN, YU XIAO
Принадлежит:

The invention relates to the technical field of ultrasonic flaw detection, and discloses a composite insulator non-contact defect detection system based on an ultrasonic phased array, the composite insulator non-contact defect detection system comprises a detection mechanism and a detection host, the detection mechanism comprises a transparent water tank and a rectangular frame fixedly mounted in the transparent water tank, the bottom of the rectangular frame is integrally connected with supporting legs, and the supporting legs are fixedly connected with the detection host. A fixing assembly is arranged at the bottom of the rectangular frame, a pressing assembly is arranged at the top of the rectangular frame, a detection assembly is arranged on one side of the rectangular frame, and the bottoms of the supporting legs and the bottom of the transparent water tank are fixedly installed. According to the composite insulator non-contact defect detection system based on the ultrasonic phased ...

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Номер записи: 27
01-08-2023 дата публикации

Power device fault diagnosis method and device based on pre-charging working condition

Номер: CN116520041A
Автор: LIU YANG, LIU WEIZHI, WANG YONGXIANG, DONG KAN, MA CHI, YANG NING, YIN ZHENHUAN, ZUO PENG, LIU DONGHUI, ZHANG BO, YANG WEIJUN, CAO HONGFA, ZHAO HONGWEI, KANG JINGHUI, CUI DONGDONG, DU YULIANG, WANG XIAOFAN, BAI LONG, LIU KAN, HUANG CHENGGUANG, CHEN YUJIE, LI SIJIN, WANG QUANYU
Принадлежит:

The invention provides a power device fault diagnosis method and device based on a pre-charging working condition, and the method comprises the steps: carrying out the statistics of the maximum value and the minimum value of the phase current of each pre-charging branch in each power supply voltage period in a set time period after the pre-charging is started; obtaining a first diagnosis current and a second diagnosis current of each pre-charging branch according to the maximum value and the minimum value of the phase current of each pre-charging branch in each power supply voltage period in a set time period and the corresponding sampling bias current value; according to the first diagnosis current and the second diagnosis current of each pre-charging branch and a current type identification rule, the current type of each pre-charging branch is obtained; and obtaining a fault diagnosis result according to the current type of each pre-charging branch and the pre-charging working condition ...

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Номер записи: 28
18-04-2023 дата публикации

Dynamic space-time memory graph convolutional network thermal error model and industrial-oriented machine learning big data framework

Номер: CN115983110A
Автор: MA CHI, GUI HONGQUAN, LIU JIALAN, WANG SHILONG
Принадлежит:

The invention discloses a dynamic space-time memory graph convolutional network thermal error model, which is characterized by comprising N DTSMGCN layers arranged in series, and the output hit of the ith DTSMGCN layer is the input of the (i + 1) th DTSMGCN layer; the DTSMGCN layer comprises a DTSMGCN unit, and an edge unit, a joint unit and a mixed adjacent matrix are arranged in the DTSMGCN unit; the edge unit is used for mining time characteristics of each variable and transmitting the time characteristics to the joint unit; the joint unit is used for mining spatio-temporal characteristics between variables, and the extracted spatio-temporal characteristics are tightly coupled and propagated in the recursive network; the mixed adjacency matrix is used for mining spatial features, and the spatial features comprise a dynamic geographic adjacency matrix, a semantic adjacency matrix and a motion adjacency matrix. The invention also discloses an industrial-oriented machine learning big data ...

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Номер записи: 29
02-05-2023 дата публикации

Relay protection device outlet matrix test device and test method

Номер: CN116047208A
Автор: FAN YANG, HU CHENG, XIE LIANGDE, MA CHI, YU XIAO, LI BEN, CHEN LIANG, NI XIAOXIONG, FAN SONGTAO, CAO RUOSHAN, LYU LU, YE TAO, WANG HUAN, LIU HUI, CHEN JIE, CHEN GUANGYU, WANG JIUYUAN, SU WEI, SUN JU
Принадлежит:

The invention belongs to the technical field of relay protection, and discloses a relay protection device outlet matrix testing device which is characterized by comprising a programmable controller module, a control module, a peripheral circuit module, a power supply module, a human-computer interface module and a device shell module. The invention further discloses a testing method. The method has the main beneficial technical effects that the test time of the outlet matrix is shortened from 98min to less than 60min, and the probability of impact and loss on the power grid due to the fact that the protection cannot act when a fault occurs when the protection is exited from the power grid is reduced. The safe operation capability of power grid equipment is improved; the protection quit time is shortened, the stable operation capability of the power grid is improved, and the social benefit is improved. In the prior art, a test process is complex and operation steps are many; the test wiring ...

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Номер записи: 30
16-05-2023 дата публикации

Structured grid encryption method and device suitable for large-gradient terrain numerical analysis

Номер: CN116127862A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses a structured grid encryption method and device suitable for large-gradient terrain numerical analysis, and the method comprises the steps: dividing a computational domain into a plurality of first rectangular blocks with the same size, and enabling the side length of each first rectangular block to be x; determining an encryption area, a transition area and a coarse grid area in the computational domain; the first rectangular block belonging to the encryption area is divided into a plurality of second rectangular blocks with the same size, the side length of each second rectangular block is y, y = x/n, and n is a positive integer greater than 1; the first rectangular block belonging to the transition area is divided into a plurality of irregular polygons, the side length of the side, attached to the encryption area, in each polygon is y, and the side length of the side, away from the encryption area, in each polygon is x; and taking the first rectangular block belonging ...

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Номер записи: 31
28-07-2023 дата публикации

Switch cabinet tulip contact contact resistance evaluation method based on digital twinning

Номер: CN116500338A
Автор: LI JIANGTAO, HUANG BAOMING, MA CHI, GAO QIUYU, ZHAO SHENGJIE
Принадлежит:

The invention discloses a digital twinning-based switch cabinet tulip contact contact resistance evaluation method, and the method comprises the steps: constructing a coupling model between switch cabinet tulip contact resistance and thermal field distribution according to real-time data obtained by a temperature sensor in a large-current switch cabinet and a simulation model constructed on a COMSOL calculation platform; correcting the coupling model to form a switch cabinet thermal field self-correction model based on an iterative updating process; and finally, based on the latest corrected switch cabinet thermal field self-correction model and the coupling model between the switch cabinet tulip contact resistance and the thermal field distribution, inputting the monitored temperature data of each point of the switch cabinet so as to output the tulip contact contact resistance value, thereby achieving the purpose of evaluating the tulip contact contact resistance. Intelligent detection ...

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Номер записи: 32
16-05-2023 дата публикации

Fan wake flow observation device and method based on snow particles

Номер: CN116124413A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses a fan wake flow observation device and method based on snow particles, and relates to the field of fan wake flow observation, and the observation device comprises a light source, an artificial snowfall device, an imaging device and a data acquisition device. The light source is used for providing light for the fan wake flow area; the manual snowfall equipment is used for providing continuously falling snow particles for the fan wake flow area; the imaging equipment is used for shooting continuous images of snow particles in a fan wake flow area; and the data acquisition equipment is used for receiving the continuous images of the snow particles shot by the imaging equipment and analyzing the continuous images of the snow particles so as to obtain wake flow characteristics of the fan wake flow area. By simulating the fan wake flow field and taking snow particles as a flow tracer agent, the speed distribution of the wake flow field is observed and obtained, and the ...

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Номер записи: 33
13-10-2016 дата публикации

METHOD FOR PREPARING 4-ISOPROPYLAMINO-1-BUTANOL

Номер: WO2016161826A1
Автор: TANG, Fanghui, MA, Chi, JIA, Qiang
Принадлежит:

The present invention relates to a method for preparing 4-isopropylamino-1-butanol. By using cheap and easily available tetrahydrofuran and acetic acid solution of hydrogen bromide as initial raw materials, a novel intermediate compound 4-isopropylamino-1-acetoxyl butane is prepared, and then a target product is prepared. The preparation method of the present invention has the advantages of convenient operation, mild reaction condition, economy and environmental protection, the target product with high purity and high yield can be obtained, and the method is adapted to industrial production.

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Номер записи: 34
15-08-2023 дата публикации

Carboxylate-based wide-temperature electrolyte and battery

Номер: CN116598594A
Автор: MA YULIN, MA CHI, MASAKATSU, FU CHUANKAI
Принадлежит:

The invention discloses a carboxylate-based wide-temperature electrolyte and a battery, and relates to the technical field of batteries, and the specific scheme is as follows: the carboxylate-based wide-temperature electrolyte comprises an organic carboxylate solvent and an organic carbonate solvent, the carboxylic ester solvent comprises one or a mixture of more of acetic acid-2-ethyl butyl ester (2-EA), acetic acid-2-ethyl hexyl ester (IOAC) and acetic acid-2-butoxyethyl ester (2-BA). And the carboxylic ester solvent accounts for 10-80% of the total volume of the electrolyte. And the carbonic ester solvent accounts for 20-90% of the total volume of the electrolyte. The invention also discloses an application of the carboxylate-based electrolyte in a lithium metal battery, a lithium ion battery, a sodium ion battery and a sodium metal battery, and the electrolyte can greatly improve the low-temperature performance of the battery and widen the temperature use range of the lithium ion battery ...

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Номер записи: 35
04-04-2023 дата публикации

Nylon 6 modified slice production device and production method

Номер: CN115890957A
Автор: CHEN JIANXIN, SHEN JIAGUANG, JI ZENGMING, MA CHI
Принадлежит:

The invention discloses a nylon-6 modified slice production device and method, the nylon-6 modified slice production device comprises a fixed bottom plate, a melt device, a tape injection pelletizing device, an extraction device, a drying device, a packaging device and a conveying device are sequentially and fixedly mounted on the fixed bottom plate, and a discharging device for discharging glass fibers is arranged on the melt device. The packaging device is provided with a driving mechanism used for automatically filling the packaging bags with the slices and moving the slices out of the packaging bags. According to the production device and method for the nylon 6 modified slices, the packaging, transporting and melting cost of the slices can be reduced, and a large number of packaging bags can be automatically filled with the slices and pushed to the containing plate.

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Номер записи: 36
02-05-2023 дата публикации

Mineral aggregate screening system for crusher

Номер: CN116037304A
Автор: SUN QIXIANG, MA CHI, SUN FAHU, XIAO YONGFEI, GUO PEIQUAN
Принадлежит:

The invention relates to the technical field of mineral aggregate screening, in particular to a mineral aggregate screening system for a crusher, the mineral aggregate screening system for the crusher comprises a screening box, and the interior of the screening box is slidably connected with a first screening assembly; the second screening assembly is slidably connected to the end, close to the ground, of the interior of the screening box; the driving adjusting set is rotationally connected into the screening box and is in transmission connection with the first screening assembly and the second screening assembly. Compared with the prior art, the device can be used for classifying and screening ores according to different sizes of the ores, and screening and distinguishing the ores according to the sizes and purposes of the ores, so that the screening efficiency and the utilization efficiency of the ores are improved, and the ores with different sizes can be fully utilized.

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Номер записи: 37
27-06-2023 дата публикации

Device and method for testing flow characteristic of buffer filling medium

Номер: CN116337686A
Автор: SUN JIYONG, JIANG BINGYAN, CHEN CHAO, CHENG XIAOYU, MA CHI, JIANG YIYAO, ZHANG WEI, LUO JIE, FU BIHUA
Принадлежит:

The invention discloses a buffer filling medium flow characteristic testing device and method. The device comprises a base, an inner cylinder, an outer cylinder, a plunger, a damping assembly, an end cover, a liquid level sensor and a control module. The inner cylinder is fixedly arranged on the base, and the outer cylinder is arranged outside the inner cylinder and is coaxial with the inner cylinder; the plunger is arranged in the outer cylinder and is coaxial with the outer cylinder; a damping assembly is arranged at the bottom of the plunger and located in the inner cylinder. An end cover is arranged at the top of the outer cylinder; an oil injection hole is formed in the end cover; one end of the liquid level sensor is arranged on the end cover, the other end of the liquid level sensor is located in the plunger, and the control module is electrically connected with the liquid level sensor. The liquid level sensor is used for obtaining the liquid level height in the plunger in real time ...

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Номер записи: 38
05-04-2018 дата публикации

METHOD FOR PREPARING MACITENTAN AND INTERMEDIATE COMPOUND THEREOF

Номер: WO2018059288A1
Автор: JIA, Qiang, MA, Chi, YANG, Zhengwei, YANG, Jinjin
Принадлежит:

Provided is a method for preparing macitentan and an intermediate thereof. The method comprises: dropwise adding a tetrahydrofuran solution containing a compound of formula (II) and 5-bromo-2-chloropyrimidine to tetrahydrofuran containing a base, or dropwise adding a tetrahydrofuran solution of a compound of formula (II) and a tetrahydrofuran solution of 5-bromo-2-chloropyrimidine at the same time to tetrahydrofuran containing a base for reaction, to obtain the macitentan of formula (I). The base being selected from sodium hydride, potassium hydride, lithium hydride, or lithium bis (trimethylsilyl) amide. The method has good reaction selectivity and is suitable for commercial production. The obtained macitentan has high quality and a high yield. The obtained compound of formula (II) also has high quality and a high yield, with an HPLC purity of ≥ 99.0%, an impurity A content of ≤ 0.20%, and an impurity B content of ≤ 0.25%.

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Номер записи: 39
05-05-2023 дата публикации

Wind resource simulation method and device based on surface fluctuation complexity

Номер: CN116070414A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses a wind resource simulation method and device based on surface fluctuation complexity, and the method comprises the steps: firstly segmenting a computational domain into M * N sub-domains which are regular polygons, secondly obtaining the elevation data hk of each sub-domain, calculating the elevation standard deviation Sij corresponding to each sub-domain according to the elevation data hk, and secondly, calculating the elevation standard deviation Sij of each sub-domain according to the elevation standard deviation Sij; calculating an elevation standard deviation average value of all the sub-domains in the calculation domain according to the elevation standard deviation Sij corresponding to each sub-domain, and then judging whether the elevation standard deviation Sij corresponding to each sub-domain is greater than the elevation standard deviation average value or not; if the sub-domain is in a certain sub-domain, selecting an LES model to carry out analogue simulation ...

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Номер записи: 40
30-06-2023 дата публикации

Burley tobacco essential oil, composition containing burley tobacco essential oil and preparation and application of burley tobacco essential oil

Номер: CN116355695A
Автор: LI DEGUO, GU WENBO, HUA QING, XI AN, MA CHI
Принадлежит:

The invention belongs to the field of burley tobacco processing, and discloses burley tobacco essential oil, a composition containing the burley tobacco essential oil, a blasting bead and a preparation method. The burley tobacco essential oil is prepared by an improved water distillation method, 100 parts of the prepared burley tobacco essential oil is uniformly mixed with 0.5-4 parts of acetic acid, 0.1-2 parts of furfural and 0.01-2 parts of furfuryl alcohol to prepare a composition, and the composition is further prepared into cigarette blasting beads or cigarettes. The essential oil has harmonious burley tobacco fragrance and no water vapor flavor, the fragrance amount and the choking and stabbing feeling are increased in cigarettes, the burley tobacco fragrance is more obvious, the sensory score is higher, and the smoking comfort of the cigarettes can be obviously improved.

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Номер записи: 41
22-08-2023 дата публикации

Method and device for generating unique identifier of Android equipment, equipment and medium

Номер: CN116627469A
Автор: MA CHI, LIANG ZIJIAN, FAN ZHONGKAI, LIU BO, LIU MINGWEI, HU LU, DAI HAOQI, NAOZANE GETSU
Принадлежит:

The embodiment of the invention discloses a method and device for generating a unique identifier of Android equipment, equipment and a medium. The method comprises the following steps: in response to a device unique identifier generation request, obtaining first identifier information from a target Android device to obtain target response information; wherein the first identification information is determined on the basis of hardware information of the target Android equipment; if the target response information does not comprise the first identification information, obtaining second identification information of the target Android equipment; wherein the second identification information comprises a universal unique identification code; and generating unique identification information of the target Android equipment according to the second identification information. According to the technical scheme, the unique identifier of the Android equipment can be quickly and effectively generated ...

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Номер записи: 42
11-04-2023 дата публикации

Photovoltaic system optimization design method with system income optimization as target

Номер: CN115956254A
Автор: FAN ZHONGYAO, MOU JUAN, YI JINYIN, LI QIAN, NING HONGTAO, NIU HAIFENG, MA CHI, TANG JIANFANG
Принадлежит:

The invention discloses a photovoltaic system optimization design method taking system income optimization as a target, and the method comprises the steps: how to select a photovoltaic module type, an inverter type, a module arrangement mode, a support tracking type and a module-inverter capacity matching value, so as to achieve the photovoltaic system income optimization, and how to select the photovoltaic module type, the inverter type, the module arrangement mode, the support tracking type and the module-inverter capacity matching value. Wherein the model selection of each device and parameter of the system is obtained through optimization iteration by taking the inclination angle as an iteration variable and the system income as an optimization design target under all the combination modes. The method has the advantages that the income of the photovoltaic system is used as an optimization design target, and the influence of the system component type, the inverter form, the component ...

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Номер записи: 43
04-04-2023 дата публикации

Power grid ontology model construction method based on graph model association recommendation algorithm

Номер: CN115905564A
Автор: FENG XINYAO, LIANG YINGWEI, LIU SHAOGUANG, MA CHI, ZHU TAIPENG, PENG ZEWU, SU HUAQUAN, XIE HANYANG
Принадлежит:

The invention discloses a power grid ontology model construction method based on a graph model association recommendation algorithm. The method can improve the construction efficiency of the power grid ontology model. Comprising the following steps: step A, obtaining constructor information and modeling keywords of a to-be-constructed model; b, calling a plurality of historical models from a historical model database; c, recognizing concepts matched with the modeling keywords in the called historical model as keyword concepts, configuring the constructor information as attributes of the keyword concepts of the historical model, and taking concepts corresponding to the attributes in the historical model as associated concepts; d, taking a plurality of mutually connected association concepts and keyword concepts as a group of association relationships, and calculating the number of all association relationships of the historical model to obtain the total number of relationships; e, taking ...

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Номер записи: 44
25-08-2023 дата публикации

Cobalt calcium lanthanum oxide coated lithium battery positive electrode material as well as preparation method and application thereof

Номер: CN116646499A
Автор: QIU XINMIN, XU KAIHUA, ZHANG WENYAN, WANG GUOQING, CHEN YUJUN, LIAO NINGJING, SUN XIN, WU BIN, MA CHI
Принадлежит:

The invention belongs to the technical field of battery material preparation, and particularly relates to a cobalt calcium lanthanum oxide coated lithium battery positive electrode material as well as a preparation method and application thereof. The cobalt calcium lanthanum oxide coated lithium battery positive electrode material comprises a positive electrode material and cobalt calcium lanthanum oxide, the cobalt calcium lanthanum oxide coats the positive electrode material, and the mass ratio of the cobalt calcium lanthanum oxide to the positive electrode material is (0.5-2.5): 100. The cobalt calcium lanthanum oxide coated lithium battery positive electrode material has high electronic conductivity and good electrical property, and the electrical property of the positive electrode material is remarkably improved after a test.

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Номер записи: 45
02-05-2023 дата публикации

Petrochemical industry production safety monitoring method and system based on Internet

Номер: CN116048032A
Автор: CAI KETAO, WANG GANG, TANG SHUNDONG, WANG RUI, ZHANG WEI, MA CHI, YE JIAJIE, YUAN TAO, MA DESHUN, WANG SHANJI, MENG ZHAOWEI, LI MINGXU, SHI YAN
Принадлежит:

The invention relates to a petrochemical industry production safety monitoring method and system based on the Internet, and the method comprises the steps: obtaining a to-be-monitored petrochemical industry production workshop, obtaining the basic information of a worker, and positioning the general travel path information of a current operator according to an Internet positioning module; obtaining self-input body information and real-time body measurement information of the current operator, judging whether the physical sign state of the current operator is qualified or not, if yes, detecting and obtaining basic feature data of the current operator, judging whether the action state of the current operator is qualified or not, and if yes, detecting and obtaining basic feature data of the current operator; and if yes, generating an equipment self-checking instruction, controlling the petroleum production equipment to perform self-checking and obtain initial self-checking data, and judging ...

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Номер записи: 46
28-07-2023 дата публикации

Log management method and device, electronic equipment and storage medium

Номер: CN116501519A
Автор: WANG JINHE, LIU BO, NAOLAN GETSU, HU LU, MA CHI, DAI HAOQI, LIU SHAOGUANG, FAN ZHONGKAI
Принадлежит:

The embodiment of the invention discloses a log management method and device, electronic equipment and a storage medium. The method is applied to a log management service, a log receiving interface is predefined on the log management service, and the method comprises the following steps: receiving an interface calling instruction sent by any micro-service in at least one micro-service; responding to the interface calling instruction, taking the micro-service which sends the interface calling instruction in the at least one micro-service as a target micro-service, and receiving an audit log sent by the target micro-service through the log receiving interface; sending the audit log to a target database, so that the target database stores the audit log; wherein the at least one micro-service is a micro-service capable of calling the log receiving interface, and the log receiving interface follows a feed interface specification. According to the technical scheme provided by the embodiment of ...

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Номер записи: 47
28-07-2023 дата публикации

Textile coating processing device and processing method thereof

Номер: CN116497543A
Автор: WANG ZHIQIANG, LU FUTANG, ZHANG HUIHUA, XU BIN, GUO ZIKUAN, WANG HONGTAO, MA CHI, LI CHUNRONG, LU YAO, SUN DONGXIN
Принадлежит:

The invention provides a textile coating processing device and a processing method thereof.The processing device comprises a liquid storage tank, a turbulent flow mechanism is arranged in the liquid storage tank and comprises a mesh cage, a feeding port is formed in one end of the mesh cage, a discharging port is formed in the other end of the mesh cage, the mesh cage is filled with floating balls, and a driving mechanism is further arranged on the mesh cage; the driving mechanism is used for driving the floating ball to float up and down; the transmitted textile enters the mesh cage through the feeding port, and the floating balls are distributed on the upper side and the lower side of the textile. The floating ball floats up and down in the coating liquid, so that the textile is in full contact with the coating liquid, the coating liquid permeates into the textile, and the bonding strength of a coating is improved.

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Номер записи: 48
01-08-2023 дата публикации

Wind power prediction method and device for offshore wind plant

Номер: CN116523121A
Автор: MA CHI, LIU ZHENQING, YU ZHONGZE
Принадлежит:

The invention discloses a wind power prediction method and device for an offshore wind plant, and the method comprises the steps: obtaining the historical wind power data and meteorological prediction data of a fan, determining the wind power prediction data of the fan through a double-Gaussian wake flow model according to the historical wind power data and the meteorological prediction data, preprocessing the historical wind power data, the meteorological prediction data and the wind power prediction data in a hidden layer of a wind power prediction model, training the wind power prediction model by using the preprocessed historical wind power data, the preprocessed meteorological prediction data and the preprocessed wind power prediction data, and evaluating the trained wind power prediction model. And determining a final wind power prediction model, and predicting the wind power of the fan by using the final wind power prediction model. According to the method and the device, the influence ...

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Номер записи: 49
09-06-2023 дата публикации

Steam turbine bearing vibration protection method and device, storage medium and equipment

Номер: CN116241342A
Автор: WANG ZHICHAO, MA CHI, YAN XIANGYONG, LYU YONGXING
Принадлежит:

The invention relates to a steam turbine bearing vibration protection method and device, a storage medium and equipment, a bearing bush corresponding to a bearing is provided with a vibration measuring point, the vibration measuring point is used for monitoring a vibration signal of the bearing, and the method comprises the steps that in response to a tripping signal and/or an alarm signal determined according to the vibration signal, whether a unit grid-connected signal is received or not is determined; under the condition that the unit grid-connected signals are received and the number of the tripping signals and/or the alarm signals meets a first preset condition, or the unit grid-connected signals are not received and the number of the tripping signals and/or the alarm signals meets a second preset condition, bearing protection action is executed; wherein the rejection rate of executing the bearing protection action under the first preset condition is smaller than the rejection rate ...

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Номер записи: 50
30-05-2023 дата публикации

Satellite image sequence forecasting method and device based on depth space-time coding and decoding model

Номер: CN116187575A
Автор: TANG JIANFANG, GUO HONGBIN, MA CHI, DAI KUAI, LI XUTAO, YE YUNMING
Принадлежит:

The invention discloses a satellite image sequence forecasting method and device based on a depth space-time coding and decoding model, and the method comprises the steps: processing wind cloud satellite data to obtain a satellite image sequence, and constructing a corresponding training set, a verification set and a test set, and the satellite image sequence comprises a first satellite image sequence; secondly, inputting the training set into a deep learning model, and training the deep learning model; inputting the verification set into the trained deep learning model, and performing parameter adjustment on the trained deep learning model; inputting the test set into the deep learning model after parameter adjustment, and outputting a predicted second satellite image sequence; and calculating an error between the second satellite image sequence and the first satellite image sequence, and carrying out secondary training on the deep learning model based on the error. By means of the method ...

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Номер записи: 51
23-06-2023 дата публикации

Signal anti-fading method and system of phase-sensitive optical time domain reflectometer

Номер: CN116296268A
Автор: REN YANZHONG, PENG FEI, MA CHI, LIU YUAN, DONG JUN
Принадлежит:

The invention discloses a signal anti-fading method and system of a phase-sensitive optical time domain reflectometer. The method comprises the following steps: receiving laser emitted by a laser, and dividing the laser into first laser and second laser; processing the first laser to generate a Rayleigh backscattering signal; mixing the second laser with the Rayleigh backscattering signal to generate a mixed signal; detecting the mixed signal, and demodulating the mixed signal; performing matched filtering on the mixed signal by using M frequency shift matched filters, and generating M frequency-shifted signals; and synthesizing the M frequency-shifted signals to generate a synthesized signal. According to the signal anti-fading method and system of the phase-sensitive optical time domain reflectometer, the anti-fading performance and the signal-to-noise ratio of the system are improved under the condition that no hardware is added, meanwhile, frequency band resources are saved, and better ...

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Номер записи: 52
04-04-2023 дата публикации

Low-energy-consumption mobile robot path planning method

Номер: CN115903816A
Автор: HUANG HAISONG, FAN QINGSONG, MA CHI, LI YITING, LIU YUMING
Принадлежит:

The invention discloses a low-energy-consumption mobile robot path planning method and recommendation system. The low-energy-consumption mobile robot path planning method comprises the following steps: constructing a path planning environment map by utilizing a grid method and determining a starting position and a target position; robot path planning in a static environment is carried out by using an ESA * algorithm, turning punishment, pruning and smoothing processing are carried out on the planned path, and a global energy-saving path is obtained; extracting sub-target points of the global energy-saving path to generate a sub-target point sequence, and performing local path planning between adjacent sub-target points by using an IDWA algorithm until a target point is reached; and optimizing the fusion algorithm by using a global energy-saving path deviation evaluation and course angle adaptive adjustment strategy. The method can be deployed and applied to mobile robot equipment with low ...

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Номер записи: 53
14-07-2023 дата публикации

Auxiliary device suitable for coring of easy-to-disperse stratums

Номер: CN116429494A
Автор: ZHAO JINGANG, LYU YUANQIANG, WANG LEI, XIE LI, SHI KE, SU YANXI, YANG ZHE, LIU KUN, MA CHI
Принадлежит:

The auxiliary device is characterized in that the auxiliary device comprises a coring pipe, the coring pipe is connected with an adapting pipe, and the adapting pipe is connected with a drill bit; a plurality of sockets are formed in the side face of the adapting pipe and connected with movable clamping pieces matched with the sockets, and intercepting pieces are connected to the faces, close to the interior of the adapting pipe, of the movable clamping pieces. The intercepting piece is connected with the movable clamping piece through a rotating shaft with the maximum rotating angle of 90 degrees; the rotation direction of the intercepting piece is close to the coring pipe. According to the auxiliary device suitable for coring of the easy-to-scatter strata, a large amount of time consumed by repeated rock core burning and hole cleaning is avoided, the drilling work efficiency can be remarkably improved, the cost is low, and the auxiliary device can be repeatedly used for a long time on ...

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Номер записи: 54
25-04-2023 дата публикации

SRWNN-based thermal error prediction model construction method and thermal characteristic optimized worm grinding wheel grinding machine grinding precision improvement method

Номер: CN116011325A
Автор: MA CHI, LIU JIALAN, WANG SHILONG
Принадлежит:

The invention discloses a worm grinding wheel grinding machine grinding precision improving method, which is characterized in that on one hand, a thermal characteristic simulation model is established, and it is found that relative thermal deformation between a cutter and a workpiece main shaft is linearly increased along with the rotating speed of a worm grinding wheel and the rotating speed of the workpiece main shaft; the heat balance design is realized, the uniform distribution of a temperature field is ensured, the thermal deformation resistance is improved, and the thermal stability is improved; on the other hand, a thermal error prediction model is created, parameters of the autoregressive wavelet neural network are optimized through the chaos sparrow search algorithm, the chaos sparrow search algorithm is combined with the Bernoulli chaos sequence and disturbance, and on the basis of elite-oriented learning and a sine and cosine search algorithm, a thermal error prediction model ...

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Номер записи: 55
04-04-2023 дата публикации

Transaction control method and system based on bank intelligent counter and storage medium

Номер: CN115907772A
Автор: HU HUI, MA CHI
Принадлежит:

The invention relates to the technical field of computer data processing, and provides a transaction control method and system based on a bank intelligent counter and a storage medium, aiming at different economic conditions of individuals, an exclusive transaction threshold value is set, transaction requirements of different crowds are fully met, then comparison with current transaction data of each time is carried out, and the transaction control accuracy is improved. Whether the transaction has a risk can be preliminarily judged; when the risk is determined to exist, the verification curve is further generated according to the historical transaction data, the verification curve is compared with the current transaction curve corresponding to the current transaction data, and secondary verification can be performed according to a comparison structure, so that risk control can be effectively realized, guarantee is provided for user fund safety, the accuracy of system judgment is improved ...

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Номер записи: 56
11-07-2023 дата публикации

MGU-A thermal error prediction model creation method and digital twinning-based thermal error control system

Номер: CN116415501A
Автор: MA CHI, YUAN QIANG, LIU JIALAN, WANG SHILONG
Принадлежит:

The invention discloses a method for creating an MGU-A thermal error prediction model. The method comprises the following steps: S1, processing thermal error data to determine model input; s2, initializing a chimpanzee population, and taking an initial position of chimpanzee as an initial hyper-parameter of the MGU neural network; s3, inputting the thermal error data into an MGU neural network, endowing a weight by using an attention layer, performing normalization processing by using a Softmax function, and inputting the data into a Dense layer for superposition to obtain a thermal error predicted value; s4, calculating a fitness value; s5, whether the current fitness value is smaller than the previous optimal fitness value or not is judged, and if yes, the current fitness value serves as the optimal fitness value; if not, keeping the optimal fitness value unchanged; s6, whether the number of iterations is smaller than or equal to the set maximum number of iterations is judged, if yes, ...

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Номер записи: 57
04-04-2023 дата публикации

Improved lightweight YOLOX-nano model for target detection and detection method

Номер: CN115908255A
Автор: HUANG HAISONG, HAN ZHENGGONG, FAN QINGSONG, MA CHI, ZHANG SONGSONG, CHEN XINGRAN, YANG CHENG, QIN HENGHAO
Принадлежит:

The invention discloses an improved lightweight YOLOX-nano model for target detection and a detection method. The improved lightweight YOLOX-nano model for target detection comprises a backbone network, a neck network and a prediction network. The target detection-oriented detection method comprises the following steps: acquiring white blood cell image data and screening; making a leukocyte data set, and dividing the leukocyte data set into a training set, a verification set and a test set; an improved light weight type YOLOX-nano model is built; carrying out training and evaluation on the improved light weight type YOLOX-nano model; and obtaining a detection result. According to the detection model and the detection method disclosed by the invention, five types of leukocytes such as basophilic granulocytes, eosinophilic granulocytes, lymphocytes, monocytes and neutrophils can be rapidly and accurately detected in real time; the device is friendly to users, convenient to operate and capable ...

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Номер записи: 58
27-06-2023 дата публикации

Switch arc voltage measuring device and measuring method

Номер: CN116338278A
Автор: ZHANG TAO, GUO HONGBIN, TANG JIANFANG, MA CHI, ZOU PINGGUO, SHI HAINING, TANG TANG
Принадлежит:

The invention discloses a switch arc voltage measuring device and measuring method. The measuring device comprises a measuring capacitor unit, a signal acquisition unit and a data processing unit. The measuring capacitor unit comprises a high-voltage arm measuring capacitor and a low-voltage arm measuring capacitor; the signal acquisition unit is connected with the low-voltage arm measuring capacitor and is configured to perform corresponding acquisition and preprocessing on a voltage signal input by the low-voltage arm measuring capacitor; and the data processing unit is connected with the signal acquisition unit, and is configured to determine the arc voltage at the two ends of the switch contact fracture to be measured according to the preprocessed voltage signal data in combination with the voltage division proportional relation of the high-voltage arm measurement capacitance and the low-voltage arm measurement capacitance. According to the switch arc voltage measuring device and the ...

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Номер записи: 59
30-05-2023 дата публикации

Parabolic antenna control system and control method based on motion control card

Номер: CN116191050A
Автор: WANG BINLAN, ZHAO RUSHUANG, WEI SHANXIANG, YUE YOULING, DUAN RAN, ZHI QIJUN, XIAO WENJUN, LIU HUI, MA CHI
Принадлежит:

The invention discloses a parabolic antenna control system and control method based on a motion control card, and the method comprises the steps: S1, opening the motion control card, and building the connection with an upper computer; s2, converting the right ascension and declination of the target radio power source into azimuth pitch corresponding to a horizon coordinate system through coordinate conversion; the current position state of the antenna is obtained by reading the value of the encoder; s3, the current position of the antenna is compared with the target position, if the angle error is within +/-0.01, the antenna does not move, otherwise, the motor is controlled to rotate to the target position, and a target radio power source is automatically tracked; s4, displaying the current state of the antenna on the human-computer interaction interface, and displaying the track of the observation source in the spherical coordinate system; meanwhile, the system time, the Greenwich time ...

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Номер записи: 60
18-07-2023 дата публикации

Hybrid wind power prediction method and device for complex terrain

Номер: CN116451608A
Автор: MA CHI, LIU ZHENQING, YU ZHONGZE
Принадлежит:

The invention discloses a hybrid wind power prediction method and device for a complex terrain, and the method comprises the steps: obtaining historical wind power data of a fan and prediction data based on CFD modeling simulation, and taking the historical wind power data and the prediction data as a to-be-input data set; the data set to be input is preprocessed; dividing the preprocessed data set to be input into a training set, a verification set and a test set according to a preset proportion; training a hybrid wind power prediction model by using the training set and the verification set; evaluating the trained hybrid wind power prediction model by using the test set, and determining a final hybrid wind power prediction model; and predicting the wind power of the fan by using the final mixed wind power prediction model. According to the method and the device, the short-term prediction values of the wind speed and the wind direction of each fan are obtained through CFD simulation, mesoscale ...

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Номер записи: 61
11-04-2023 дата публикации

Solar grid-connected power generation system and control method

Номер: CN115954943A
Автор: CAI KETAO, WANG GANG, TANG SHUNDONG, ZHAO JIAN, YE JIAJIE, MA CHI, WANG RUI, WANG SHANJI, ZHANG WEI, MENG ZHAOWEI, SHI YAN
Принадлежит:

The invention discloses a solar grid-connected power generation system and a control method. The method comprises the following steps: S1, building the solar grid-connected power generation system; s2, constructing a solar power generation system model according to the operation state of the solar grid-connected power generation system; and S3, constructing a fuzzy controller according to the solar power generation system model, and completing the control of the solar grid-connected power generation system. According to the method, the fuzzy controller is adopted to approach an unknown part in the solar grid-connected power generation system, parameter changes caused by unmodeled dynamics of a solar cell and aging of components in a circuit can be overcome, and the problem that output current is unstable due to uncertainty in the solar power generation system is solved.

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Номер записи: 62
07-04-2023 дата публикации

Drainage device for agricultural water conservancy project

Номер: CN115928869A
Автор: QI YANWEI, LI SEN, MA YIMING, HE SHENGHU, YANG XING, ZHANG RU, CHEN ZHUO, YUE ZENGHUI, WANG SHOUYU, WANG ZHAN, ZHAO LIANG, LEI YU, ZHAO YUAN, TIAN YUHAN, MA CHI
Принадлежит:

The invention discloses a drainage device for agricultural water conservancy projects, and belongs to the technical field of water conservancy projects. The drainage device for the agricultural water conservancy project comprises a drainage pump, a water and impurity separation assembly and an impurity chamber, the water and impurity separation assembly comprises a separation chamber, a separation rotating plate, a driving assembly and a filtering assembly, the separation chamber is provided with a port A and a port B, the separation rotating plate comprises a rotating shaft and blades, the rotating shaft is rotationally connected into the separation chamber, and the blades are evenly and fixedly connected to the rotating shaft in a surrounding mode; the blade is in sealed sliding connection with the inner wall of the separation chamber, the driving assembly is used for enabling the rotating shaft to rotate in the separation chamber, the filtering assembly is arranged at an opening B of ...

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Номер записи: 63
23-05-2023 дата публикации

Coal mining square box crusher

Номер: CN116139993A
Автор: MA CHI, SUN QIXIANG, SUN FAHU, ZHU CHENG, CAO SHUHAO, GUO PEIQUAN, XIAO YONGFEI
Принадлежит:

The invention discloses a square box crusher for coal mining, and relates to the technical field of crushers. Comprising a crushing box, a crushing assembly, a driving assembly and a guiding assembly; the guiding assembly comprises a plurality of groups of first-stage supporting rods, second-stage supporting rods and third-stage supporting rods which are installed in parallel and connected through universal joints, the second-stage supporting rods are located above the crushing assembly and transversely installed, and the ends, away from the second-stage supporting rods, of the first-stage supporting rods and the third-stage supporting rods incline in the direction away from the crushing assembly; the third-stage supporting rod is rotationally connected with a connecting base located on the inner wall of the crushing box, the first-stage supporting rod is connected with transmission gears, auxiliary gears sequentially connected with the transmission gears are rotationally installed on the ...

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Номер записи: 64
27-06-2023 дата публикации

Soft foundation treatment construction method for sleeving and driving sludge layer sand replacement pile with cement mixing pile

Номер: CN116335111A
Автор: LEI BIN, MA CHI, FAN SHAOFENG, TONG XIN, YANG JING, LIN WEIMING, SHEN NONGYUN, ZHANG ZHIYONG, DENG YIXIN, WU YUDONG, ZHANG CHENGWU, WU FEIFEI, XU CHAO, ZENG RONG, ZHANG JIAN
Принадлежит:

The invention relates to the technical field of cement mixing piles, and discloses a soft foundation treatment construction method for sleeving a sludge layer replacement sand pile with a cement mixing pile, which comprises the following steps: leveling a construction site on a sludge layer, and marking the pile position of the sand pile on the construction site; a sand pile machine is used for constructing a sand pile, and the sand material forms the sand pile in the pile hole; secondary leveling is conducted on the construction site, and the cement pile position of the sand placing pile sleeving and driving cement mixing pile is measured; sand materials are used for replacing sludge rich in humus organic matter in a sludge layer to form a sand pile, then a drill bit of a cement mixing pile machine is used for drilling in and out of a cement pile position, slurry is continuously subjected to rotary jet grouting in the drilling and out process, after drilling is conducted by a set depth ...

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Номер записи: 65
02-06-2023 дата публикации

Numerical simulation method and device for offshore floating fan

Номер: CN116205152A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses a numerical simulation method and device for an offshore floating type fan. The method comprises the steps that an inner domain, an outer domain and a coupling area between the inner domain and the outer domain are selected from a computational domain based on research requirements; calculating the fluid velocity of the coupling region based on a numerical method of a potential flow theory; coupling the fluid velocity of the coupling area; and according to the coupled fluid velocity, establishing an internal domain numerical simulation model by using a particle method. The device comprises a selection module, a calculation module, a coupling module and a simulation module. According to the method, the computational domain is divided into the inner domain, the outer domain and the coupling region, the wave signal characteristics generated based on the potential flow theory are transmitted to the inner domain numerical model established based on the particle method ...

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Номер записи: 66
25-07-2023 дата публикации

Water circulation type saline-alkali soil improvement device

Номер: CN116472811A
Автор: CHEN CHAO, MA CHI, LI GUOQING, PANG WEIHAO, YANG ZIYUAN
Принадлежит:

The invention discloses a water circulation type saline-alkali soil improvement device, and relates to the technical field of saline-alkali soil improvement, the water circulation type saline-alkali soil improvement device comprises a main box, the upper side of one end of the main box is provided with a feeding hopper, the other end of the main box is provided with a downward discharge port, an upper conveyor belt and a lower conveyor belt are horizontally arranged in the main box, and the lower conveyor belt is located below the upper conveyor belt; filtering holes are formed in the upper conveying belt and the lower conveying belt in a penetrating manner, the upper conveying belt and the lower conveying belt are mounted on the outer sides of the conveying rollers, and the conveying rollers are driven by a motor; according to the device, efficient and thorough spraying, flushing and improving of soil can be achieved, the improving efficiency is improved, meanwhile, water source recycling ...

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Номер записи: 67
29-06-2016 дата публикации

Pull rod in braking

Номер: CN0205344919U
Автор: ZHOU LE, XIANG ZHIYING, LI XIAOJUN, MA CHI
Принадлежит:

... 本实用新型公开了一种制动上拉杆，包括：拉杆头、拉杆圆钢、环形拉杆头、链蹄环。由于链蹄环与环形拉杆头之间无圆销限制，能多方位转动，使得制动上拉杆具有很好的摆动性，杜绝了铁路货车运行期间可能出现的制动上拉杆连接憋劲问题；该制动上拉杆内部只有一处活动连接，其连接不需圆销且连接处靠近端部，环形拉杆头体型又小，保障了拉杆与车轴的安全间距。 ...

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Номер записи: 68
30-05-2023 дата публикации

Method for shortening daily average fault time of scheduling data network

Номер: CN116191670A
Автор: FAN YANG, HU CHENG, XIE LIANGDE, MA CHI, YU XIAO, LI BEN, CHEN LIANG, NI XIAOXIONG, FAN SONGTAO, CAO RUOSHAN, LYU LU, YE TAO, WANG HUAN, LIU HUI, CHEN JIE, CHEN GUANGYU, WANG JIUYUAN, SU WEI, SUN JU
Принадлежит:

The invention belongs to the technical field of power dispatching, and discloses a method for shortening daily average fault time of a dispatching data network, which is characterized by adopting the following measures: configuring a router into a double-path power supply access power supply; the fiber core attenuation is controlled to be less than or equal to 1db; the internal storage capacity of the router is improved and guaranteed, and the internal storage capacity of the router is larger than or equal to 512 M; it is ensured that the packet forwarding capacity is larger than or equal to 200 kbps; the grounding resistance is less than or equal to 0.5 omega; good contact and oxidation of the 2M wire are ensured; the regular inspection number is ensured, and the inspection frequency gt is ensured; one time/quarter; a standard operation supporting platform is arranged; the training score of the business personnel is greater than or equal to 90, and the annual training frequency is greater ...

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Номер записи: 69
09-05-2023 дата публикации

Enterprise risk prediction method and device and storage medium

Номер: CN116090600A
Автор: TANG XIN, CHEN LINGYUN, LI NING, LIU DONG, XU BIN, JIN BOHAO, LI WENTING, ZHANG WENYAN, ZHANG SHUQI, CHEN XU, SHEN GUOCHENG, OUYANG LU, MA CHI, LI WANZHE
Принадлежит:

The invention discloses an enterprise risk prediction method and device and a storage medium. The enterprise risk prediction method comprises the following steps: determining the emotional deviation and importance of public opinions related to a target enterprise and the correlation degree of related objects through a natural language processing model; public opinion scores are calculated according to the emotional deviation, the importance and the correlation degree of the related objects, wherein the public opinion scores are adjusted according to historical public opinion scores; and performing risk prediction on the target enterprise according to the public opinion score through a preset risk prediction model.

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Номер записи: 70
07-04-2023 дата публикации

Ore crusher

Номер: CN115921013A
Автор: SUN FAHU, ZHU CHENG, CAO SHUHAO, SUN QIXIANG, MA CHI, GUO PEIQUAN, XIAO YONGFEI
Принадлежит:

The invention is suitable for the technical field of ore crushing equipment, and particularly relates to an ore crusher which comprises a main body, a feeding port, a crushing tooth roller, a mounting frame, a screening mesh plate, a discharging hole and a material guide plate, the feeding port is formed in the surface of the crusher main body, the discharging hole is formed in the side face of the crusher main body, and the material guide plate is obliquely arranged in the crusher main body. The mounting frame is arranged in the screening mesh plate, the screening mesh plate is mounted in the mounting frame, and the crushing tooth roller is mounted in the crusher main body. By arranging the blockage removing piece, the mounting piece, the supporting piece, the moving piece, the transmission piece, the square hole and the first driving piece, blockage caused by screening in the holes of the screening mesh plate can be conveniently removed, the automation degree is high, the blockage in ...

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Номер записи: 71
25-07-2023 дата публикации

Cooling system and method for laser head bottom suite

Номер: CN116487977A
Автор: ZHANG WENJIE, MA CHI, GUO JIUMING
Принадлежит:

The invention belongs to the technical field of cooling, and particularly provides a cooling system and method for a laser head bottom suite, the cooling system comprises a gas supply assembly, a vortex tube, a gas acceleration device, a temperature sensor and a controller, and the gas supply assembly is used for supplying a gas source; an air inlet of the vortex tube receives air output by the air supply assembly, openings in the two ends of the vortex tube are a cold end air outlet and a hot end air outlet respectively, a conical flow blocking piece is arranged at the position, close to the hot end air outlet, of an inner cavity of the vortex tube, and the conical flow blocking piece can move in the axial direction of the vortex tube and be positioned. The gas acceleration device receives gas exhausted from the cold end gas outlet, accelerates the gas and then supplies the gas to the gas inlet of the laser head bottom suite; the temperature sensor can monitor the temperature of the laser ...

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Номер записи: 72
31-08-2021 дата публикации

Comparison test box for artificial shrub and grass research

Номер: CN214070882U
Автор: CAI GUOJUN, MA CHI, MO BAORU, XUE RUI, LIN LIN, CHAI CHUNSHAN, 蔡国军, 马驰, 莫保儒, 薛睿, 林琳, 柴春山
Принадлежит: GANSU FORESTRY SCIENCE & TECH RESEARCH ACADEMY, GANSU FORESTRY SCIENCE & TECHNOLOGY RESEARCH ACADEMY, 甘肃省林业科学研究院

The utility model discloses a contrast test box for artificial shrub and grass research, which comprises a water tank, water pumps symmetrically arranged at the left end and the right end of the bottom of an inner cavity of the water tank, water guide pipes arranged at the output ends of the water pumps, a water inlet pipe arranged at the upper end of the left side wall of the water tank, a frame body fixed at the top of the water tank, and supporting rods symmetrically fixed at the left end and the right end of the top of the frame body, a first test chamber and a second test chamber are arranged on the rack body, a temperature sensor, a light supplementing lamp and a humidity sensor are arranged in each of the first test chamber and the second test chamber, a solar cell panel is arranged at the top of the supporting rod, and a shell is arranged on the rack body below the solar cell panel. Therefore, the environment of the inner cavity of the first test chamber and the environment of the ...

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Номер записи: 73
23-06-2023 дата публикации

Sulfuric acid corrosion resistant zirconium alloy plate for chemical reaction kettle and preparation method thereof

Номер: CN116288093A
Автор: ZHANG CONGHUI, ZHANG JIN, ZHU WENGUANG, HE XIAOMEI, MA CHI, WANG HENGYUAN, CHEN ANQI
Принадлежит:

The invention discloses a sulfuric acid corrosion resistant zirconium alloy plate for a chemical reaction kettle and a preparation method thereof. The preparation method comprises the following steps: performing ultrasonic impact treatment on the surface of a zirconium alloy plate; the surface of the zirconium alloy plate subjected to ultrasonic impact treatment is cleaned; polishing the surface of the cleaned zirconium alloy plate; and the polished zirconium alloy plate is subjected to surface oxidation treatment, and the sulfuric acid corrosion resistant zirconium alloy plate for the chemical reaction kettle with a gradient fine grain structure and a compact oxidation layer is obtained. The preparation process is simple, ultrasonic impact treatment can be carried out in a handheld mode, and the problem that surface nanocrystallization is difficult to carry out on complex workpieces is effectively solved; the method is reasonable in application process design, low in preparation cost and ...

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Номер записи: 74
09-05-2023 дата публикации

Feeding adjusting device of mining crusher

Номер: CN116078532A
Автор: SUN QIXIANG, MA CHI, SUN FAHU, XIAO YONGFEI, ZHU CHENG, CAO SHUHAO, GUO PEIQUAN
Принадлежит:

The invention discloses an ore feeding adjusting device of a mining crusher, and relates to the technical field of mineral processing. Comprising a rack, a driving assembly, a conveying assembly and an adjusting assembly. A conveying assembly is installed on the machine frame and comprises a conveying belt. The adjusting assembly comprises an adjusting plate, and the adjusting plate is obliquely installed on the surface of the inlet end of the conveying belt in a suspended mode. A guide plate is mounted at the inclined position, corresponding to the adjusting plate, of the side face of the inlet end of the rack, and the guide plate is connected with a recycling box; a mounting groove is formed in the side, close to the guide plate, of the adjusting plate, a plurality of sets of guide rollers arranged in parallel are rotationally mounted in the mounting groove, and the outer edges of the guide rollers protrude out of the surface of the mounting groove. According to the device, the feeding ...

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Номер записи: 75
23-06-2023 дата публикации

Road side ditch construction equipment and method

Номер: CN116289432A
Автор: MA CHI, LIU HUAWEI
Принадлежит:

The road side ditch building equipment comprises a frame body and is characterized in that the frame body is fixedly connected with an outer frame, the outer frame is fixedly connected with an inner frame, and the outer frame and the inner frame form an L-shaped track; two second circular shafts are arranged in a vertical groove of the L-shaped rail, each second circular shaft is fixedly connected with a first square block, two third circular shafts are arranged in a transverse groove of the L-shaped rail, each third circular shaft is fixedly connected with a second square block, and each second circular shaft is fixedly connected with a second square plate. The invention relates to the field of road construction equipment, in particular to road side ditch construction equipment and method. The technical problem to be solved by the invention is to provide the road side ditch construction equipment and method, so that road side ditch construction is facilitated.

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Номер записи: 76
04-04-2023 дата публикации

High-strength wear-resistant chinlon fabric and preparation process thereof

Номер: CN115897225A
Автор: MA CHI, SHEN JIAGUANG, YIN YANJUN
Принадлежит:

The invention belongs to the technical field of chinlon, particularly relates to a high-strength wear-resistant chinlon fabric and a preparation process, and solves the problems that the stability of the chinlon fabric in the prior art cannot adapt to the use environment, and the strength, chemical stability and wear resistance of the chinlon fabric need to be improved urgently. Comprising the following steps: preparing modified polyamide fiber containing polyamide, black master batch and transition metal salt, blending the modified polyamide fiber with other fiber materials, twisting to prepare gray cloth, and cleaning, dipping and drying to form the polyamide fabric. The modified polyamide fiber is added into the polyamide fabric, so that the prepared polyamide fabric has the characteristics of the modified polyamide fiber and is relatively high in wear resistance.

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Номер записи: 77
21-04-2023 дата публикации

Cylindrical reinforcement cage welding equipment

Номер: CN115990654A
Автор: MA CHAO, MA CHI, MA CHONG
Принадлежит:

The invention relates to the field of building construction, in particular to cylindrical reinforcement cage welding equipment. The technical problem is that in the steel wire welding process, steel wires need to be evenly wound on the surfaces of steel bars reserved on a steel reinforcement cage and a foundation, and it is difficult to manually guarantee the interval when the steel wires are wound. According to the technical scheme, the cylindrical reinforcement cage fixed connection equipment comprises a power system, a correction system, a winding system and the like, and the power system is connected with the correction system; the power system is connected with a winding system. Residual cement impurities on the surface of a reinforcing steel bar reserved in a foundation are scraped off through the correcting system in a rotating mode, and then the problem that due to the existence of the residual cement impurities, the welding effect is affected, a welded steel wire is partially loosened ...

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Номер записи: 78
25-04-2023 дата публикации

Space-time error prediction model based on dynamic distance semantic hypergraph convolutional network

Номер: CN116009396A
Автор: MA CHI, GUI HONGQUAN, LIU JIALAN, WANG SHILONG
Принадлежит:

The invention discloses a space-time error prediction model based on a dynamic distance semantic hypergraph convolutional network, which comprehensively captures space behaviors including distance-based thermal error information and semantic-based thermal error information by distinguishing a distance graph and a semantic graph aiming at two dependency relationships of distance-based information and semantic-based information contained in space information; in addition, the dependency relationship among the plurality of sensor nodes can be represented by adopting semantic hypergraph convolution, and high-order space behaviors are captured by constructing a semantic hypergraph; representing the change of the position of a sensor node in the sensor network along with time by adopting a dynamic distance map convolution, and capturing a dynamic space behavior by constructing a dynamic distance map; and finally, a minimum gating unit is combined with the dynamic distance map and the semantic ...

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Номер записи: 79
30-05-2023 дата публикации

Photoelectric detector and preparation method thereof

Номер: CN116193875A
Автор: MA CHI, YE SHENYI
Принадлежит:

The invention discloses a photoelectric detector which comprises a glass substrate, a silver nanoparticle coating, an SU-8 negative photoresist layer, a micro-area electrode and a perovskite thin film layer, the perovskite thin film layer is a methylamine lead iodine perovskite thin film layer, and after photoinduced charges are formed in the perovskite thin film layer, the maximum transport length of separated electrons and holes is below 5 microns. The micro-area electrodes are of a staggered array structure. The invention also discloses a preparation method of the photoelectric detector. According to the invention, the silver nanoparticles are introduced into the perovskite active layer, and the electric field intensity and the light absorption cross section are increased through excitation of local surface plasma resonance; the ultrathin SU-8 layer is used for wrapping the silver nanoparticles, so that recombination of photon-generated carriers on natural defect sites on the surfaces ...

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Номер записи: 80
13-06-2023 дата публикации

Safety protection device of crusher

Номер: CN116251655A
Автор: SUN QIXIANG, MA CHI, SUN FAHU, XIAO YONGFEI, ZHU CHENG, CAO SHUHAO, GUO PEIQUAN
Принадлежит:

The invention is suitable for the technical field of crushers, and provides a crusher safety protection device which comprises a shell provided with a feeding port, and further comprises an intermittent discharging structure arranged in the shell, the intermittent discharging structure comprises a discharging plate, a discharging port is formed in the discharging plate, and the intermittent discharging structure is arranged in the shell. The intermittent discharging structure further comprises a sealing assembly used for sealing the discharging opening. The protection structure is arranged on the shell, and the protection structure comprises a protection net used for stopping splashing materials and a mounting assembly used for mounting the protection net. By arranging the intermittent discharging structure, splashing of materials can be relieved, and people are prevented from being hurt due to splashing of the materials; and by arranging the protection structure, the effect of conveniently ...

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Номер записи: 81
07-04-2023 дата публикации

Auxiliary driving mechanism for filter screen

Номер: CN115920501A
Автор: YANG MING, MA CHI, LIANG XIAOJUN, SUN DINGBIN, WANG QIJUN, ZHAO BINGZHENG
Принадлежит:

The invention provides a filter screen auxiliary driving mechanism, which belongs to the technical field of nuclear power unit maintenance and comprises a mounting box, an executing mechanism, a driving mechanism and a power mechanism, the structure of the auxiliary driving mechanism is redesigned, so that the filter screen auxiliary driving mechanism can be mounted on an inspection platform opposite to an original driving device of equipment to drive a drum screen gear to rotate, a normal overhaul area is not occupied, a bearing, a driving gear and the like do not need to be waited for overhaul, and the filter screen auxiliary driving mechanism is arranged in parallel with the overhaul period of a body; the overall maintenance period is shortened, and the maintenance efficiency is improved. The mounting box is movably connected with the platform, and the mounting box can be fixed on the platform by finely adjusting the position of the mounting box, so that the stability of the auxiliary ...

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Номер записи: 82
07-07-2023 дата публикации

Micro-service dynamic scheduling method, device, equipment and medium

Номер: CN116405543A
Автор: LIU SHAOGUANG, LIU BO, REN HAOWEN, ZHOU WANG, AO ZHIQI, LIN JIEFENG, HU LU, MA CHI, LIU JIANWEN, HUANG LEI, CHEN JIAYI, LEE KAP-SEOK, ZHOU QIAO, ZHANG XUELONG, YE FULUN
Принадлежит:

The invention discloses a micro-service dynamic scheduling method and device, equipment and a medium. Determining a plurality of target services corresponding to the micro service and target servers corresponding to the target services; service deployment information of the target servers at the current moment is obtained, multiple target categories corresponding to the multiple target services are obtained based on the current moment, and the target categories are determined based on calling links among the multiple target services within the preset duration; and dynamically scheduling the micro-service based on the target category and the service deployment information, thereby solving the problem of server performance loss caused by cross-server service calling in the micro-service scene, realizing that one service calling link crosses servers as few as possible, improving the service calling performance in the micro-service scene, and improving the service performance of the micro-service ...

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Номер записи: 83
11-04-2023 дата публикации

Warehouse management method and warehouse management scheduling device

Номер: CN115953109A
Автор: CUI XIAOLIANG, MA CHI, HU JUNCHAO, ZHANG BIN
Принадлежит:

The invention discloses a warehouse management method, and relates to the technical field of warehousing, and the method comprises the steps: receiving the material data of a to-be-warehoused material; based on a warehousing screening rule and the material data, carrying out storage location screening on the warehouse data to obtain a target storage location; wherein the warehousing screening rule is one or a combination of more of a storage location screening rule, a region attribute screening rule and a special case screening rule; the storage location screening rule is a rule for optimizing the storage location occupation number; the region attribute screening rule is a rule for matching material attributes and storage location attributes; the special case screening rule is a rule for distributing storage locations for special materials; and sending the information of the target storage location so as to store the material in the target storage location. The warehouse management effect ...

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Номер записи: 84
18-07-2023 дата публикации

Method and device for realizing three-dimensional visualization of wind field model

Номер: CN116452739A
Автор: MA CHI, LIU ZHENQING, CHEN PEIYU
Принадлежит:

The invention discloses a wind field model three-dimensional visualization realization method and device, and the method comprises the steps: obtaining GIS original data of a wind field, and carrying out the preprocessing of the GIS original data; determining and setting a corresponding coordinate system and camera parameters based on the preprocessed GIS data; constructing a grid model of the wind field according to the preprocessed GIS data; selecting a computational domain to be visualized from the grid model of the wind field; the wind speed profile in the computational domain is visualized; and visualizing the three-dimensional particles in the computational domain. According to the method, the flow trend of the wind field is more intuitively obtained through particle motion visualization, three-dimensional complex airflow motion can be more effectively displayed through the method, the visualization effect of the wind field model is improved, meanwhile, platform development is carried ...

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Номер записи: 85
04-04-2023 дата публикации

STFGCN-based space-time thermal error prediction model and space-time thermal error control system

Номер: CN115903516A
Автор: MA CHI, GUI HONGQUAN, LIU JIALAN, WANG SHILONG
Принадлежит:

The invention discloses an STFGCN-based space-time thermal error prediction model, which comprises N STFGCN layers, and N is greater than or equal to 1; when N is greater than or equal to 2, the output Hi of the ith STFGCN layer is the input of the (i + 1) th STFGCN layer, and i is greater than or equal to 1 and less than or equal to N-1; the STFGCN unit comprises a gating graph convolutional network used for extracting time information and space information in thermal error data; the space gating recursion unit is used for fusing time information and space information in the thermal error data; and the space-time attention unit is used for capturing the long-term space-time behavior of the thermal error. The invention further discloses a space-time thermal error control system based on the STFGCN. According to the STFGCN-based space-time thermal error prediction model and the STFGCN-based space-time thermal error control system, a graph is divided into a dynamic distance graph and a semantic ...

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Номер записи: 86
02-05-2023 дата публикации

Method and device for calculating wake flow loss in far and near wake flow areas

Номер: CN116050288A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses a wake flow loss calculation method and device in far and near wake flow areas. According to the method, a corresponding flow direction function is obtained by obtaining basic data of wind turbine set parameters and wind turbine operation states, then a correction term is determined, the flow direction function is corrected, then a cross-direction function is corrected, finally, an improved double-Gaussian wake flow model is obtained, and wake flow loss is calculated. According to the wake flow loss calculation method in the far and near wake flow areas, the double-Gaussian wake flow model commonly used for speed loss calculation of the far and near wake flow areas is established for the complex wake flow effect of the wind power plant, so that the calculation results in the near wake flow areas and the far wake flow areas are also high in precision, and the accuracy of the calculation results in the near wake flow areas and the far wake flow areas is improved. The ...

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Номер записи: 87
06-06-2023 дата публикации

CT image vertebral pedicle segmentation method and device and storage medium

Номер: CN116228796A
Автор: LI WEISHI, ZOU DA, HUANG MIAN, QI HUAN, MA CHI, LYU WEIJIA, ZHAO YI, SHANG ZESEN
Принадлежит:

The invention belongs to the technical field of medical image processing, and discloses a CT image vertebral pedicle segmentation method and device and a storage medium, and the segmentation method comprises the steps: obtaining a vertebral body template CT image with a segmentation marking mask and a to-be-segmented vertebral body CT image; acquiring a deformation field for registering the centrum template CT image to the to-be-segmented centrum CT image; based on the deformation field and the segmentation marking mask, obtaining a segmentation mask of the to-be-segmented centrum CT image; and based on the segmentation mask, obtaining segmentation results of the whole vertebral pedicle, the vertebral pedicle outer cortical bone and the vertebral pedicle inner cancellous bone in the CT image of the vertebral body to be segmented. The problems that accurate segmentation and accurate measurement of bone density of the whole vertebral pedicle area, the vertebral pedicle outer cortical bone ...

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Номер записи: 88
13-04-2021 дата публикации

Seasoning beverage bottle

Номер: CN212951914U
Автор: MA CHI, XIAO JINGZHOU, 马驰, 肖静洲
Принадлежит: HUBEI CAIHUA TEA IND CO LTD, HUBEI CAIHUA TEA INDUSTRIAL CO., LTD., 湖北采花茶业有限公司

The utility model provides a seasoning beverage bottle which comprises a bottle body, a bottle bottom connector is arranged at the bottom of the bottle body, an opening is formed in the bottom of the bottle bottom connector, and an easy-to-tear film is arranged at the position of the opening. The inner sleeve bottom is connected with the bottle bottom connector and used for containing seasonings, a tearing column is arranged at the bottom of the inner sleeve bottom, the top end of the tearing column makes contact with the film easy to tear, and the bottom of the inner sleeve bottom is made of flexible deformable materials. By adopting the scheme of integrating the storage space of the seasonings to the bottle bottom, the storage space of the seasonings is expanded, the seasonings are easier to seal, and the operation of a user is also facilitated when the user drinks the seasonings. A dot line does not need to be arranged on the easy-to-tear film, so that sealing is convenient to realize ...

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Номер записи: 89
16-05-2023 дата публикации

Soil resistivity detection method based on grounding integrity detection of power transmission line

Номер: CN116125141A
Автор: CHEN JIE, MA CHI, FAN YANG, CHEN LIANG, WANG HUAN, GUO DAIWEI, LI BEN, ZHOU DONG, LI WANCHENG, LYU LU, YE TAO, FAN SONGTAO, NI XIAOXIONG, JIN XIAOMING, AI ZHENKE, DU PAN, YU XIAO
Принадлежит:

The invention relates to the technical field of soil resistivity detection, and discloses a soil resistivity detection method based on power transmission line grounding integrity detection, and the method comprises the following steps: S1, piling: piling a plurality of grounding piles in a grounding grid; s2, wiring, wherein a wire is led out from the grounding wire and is connected with the grounding piles in sequence; s3, connecting a detection meter, and connecting a detection line of the detection meter with the grounding pile; s4, detection: carrying out grounding integrity detection; s5, recording: recording voltage and current values of different grounding piles on the detection meter at the same time; and S6, calculating the resistivity. According to the soil resistivity detection method based on power transmission line grounding integrity detection, soil resistivity measurement and power transmission line grounding integrity detection are combined, and resistivity detection is ...

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Номер записи: 90
25-04-2023 дата публикации

Power transmission line lightning stroke point positioning method based on tower residual magnetism detection and related device

Номер: CN116008877A
Автор: LU HAILIANG, ZHOU XUWEI, CHENG SHENG, XU HAORAN, WANG SHENLI, WU JUN, FAN YANG, MA CHI, LI YUANJIE, ZHANG YIXUAN, ZHANG CHENGHUA, NIE PEI
Принадлежит:

The invention discloses a power transmission line lightning stroke point positioning method based on pole tower residual magnetism detection and a related device. The method comprises the steps of obtaining residual magnetic field distribution of a pole tower body after lightning currents with different amplitudes flow through a pole tower and distribution of a space magnetic field around the pole tower under the influence of the residual magnetic field; establishing a criterion whether the lightning current flows through the tower or not according to the residual magnetic field distribution of the tower body of the tower after the lightning current with different amplitudes flows through the tower and the distribution of the space magnetic field around the tower under the influence of the residual magnetic field; according to the criterion, after the lightning stroke occurs, the unmanned aerial vehicle is adopted to obtain space magnetic field distribution around the tower; surface residual ...

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Номер записи: 91
09-05-2023 дата публикации

Silk refiner and refining method thereof

Номер: CN116084029A
Автор: WANG ZHIQIANG, LU FUTANG, ZHANG HUIHUA, XU BIN, GUO ZIKUAN, WANG HONGTAO, MA CHI, LI CHUNRONG, LU YAO, SUN DONGXIN
Принадлежит:

The invention provides a silk refiner and a refining method thereof.The silk refiner comprises a transmission chain, material conveying frames are hung on the transmission chain at intervals, and a presoaking pool, a cocoon cooking pool, a bleaching pool, a softening pool and a drying mechanism are sequentially arranged below the transmission chain in the conveying direction; flushing pools and dewatering mechanisms are arranged among the presoaking pool, the cocoon cooking pool, the bleaching pool, the softening pool and the drying mechanism. Through cooperation of the transmission chain and the material conveying frame, automatic transfer of silkworm cocoons in all treatment procedures is achieved, and the working efficiency is improved.

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Номер записи: 92
23-06-2023 дата публикации

Zirconium alloy fatigue failure process crystallographic behavior analysis method

Номер: CN116297608A
Автор: ZHANG CONGHUI, ZENG XIANGKANG, ZHU WENGUANG, SONG KANGKAI, MA CHI, HE XIAOMEI
Принадлежит:

The invention discloses a zirconium alloy fatigue failure process crystallographic behavior analysis method which comprises the following steps: carrying out a fatigue test on a zirconium alloy plate, and taking down the zirconium alloy plate after reaching a preset fatigue life or fatigue fracture; then carrying out crystal orientation characterization and SEM surface topography photographing, analyzing the SEM surface topography, and determining a slippage trace in a crystal grain, a crystal penetrating crack in the crystal grain and slippage transfer across a crystal boundary; reading Euler angles of the crystal grains, calibrating a slip system, calculating a slip system Schmid factor, an included angle between the crystal grain orientation and a stress axis, and a geometric compatibility factor during slip transmission, drawing an inverse pole diagram reflecting the crystal grain orientation and the slip system Schmid factor, and completing crystallographic behavior analysis in the ...

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Номер записи: 93
23-05-2023 дата публикации

Urban wind environment CFD simulation area selection method and device

Номер: CN116151141A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses an urban wind environment CFD simulation area selection method and device.The method comprises the steps that the first wake flow wind speed v01 is obtained, the v01 is the wake flow wind speed at the position 2H2 away from a second isolated building when the influence of a first isolated building does not exist, and H2 is the height of the second isolated building; a second wake flow speed v02 is obtained, and the v02 is the wake flow speed at the position 2H2 away from the second isolated building when the v02 is affected by the first isolated building; based on the first wake flow velocity v01 and the second wake flow velocity v02, whether the first isolated building affects the second isolated building or not is judged through a first formula, and according to the first formula, the maximum influence distance of the first isolated building on the second isolated building is determined according to the judgment result; and selecting a wind field simulation area ...

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Номер записи: 94
23-05-2023 дата публикации

Optimized arrangement method and device for offshore wind power plant

Номер: CN116151430A
Автор: MA CHI, LIU ZHENQING
Принадлежит:

The invention discloses an optimal arrangement method and device for an offshore wind plant. According to the method, after basic data of a wind power plant, basic data of fans and incoming wind conditions of the fans are obtained, an engineering cost model of the offshore wind power plant and unit output power of the fans are determined, and therefore the optimal solution of fan arrangement is output through a genetic algorithm. According to the optimal arrangement method of the offshore wind power plant, the cost expenditure of the offshore wind power plant is comprehensively considered, the optimal solution of the optimal arrangement of the offshore wind power plant can be calculated flexibly, efficiently, accurately and conveniently according to the optimal arrangement requirement, the problem of local optimum of the result is avoided, and the optimal solution of the optimal arrangement of the offshore wind power plant is obtained. Therefore, the working efficiency of the offshore wind ...

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Номер записи: 95
30-05-2023 дата публикации

Cationic defect-state cadmium sulfide nanoparticle decorated monatomic transition metal visible-light-driven photocatalyst as well as preparation method and application thereof

Номер: CN116173992A
Автор: YANG KAIHUA, ZHANG CHANG, MA CHI, YANG ZHONGZHU, LI ZIHAO, YANG XU, HUANG YICAI, WANG TANTAN
Принадлежит:

The invention discloses a cation defect state cadmium sulfide nano-particle decorated monatomic transition metal visible-light-driven photocatalyst as well as a preparation method and application thereof. The catalyst comprises cation defect state cadmium sulfide nano-particles and monatomic transition metal anchored on cation defects on the surfaces of the cation defect state cadmium sulfide nano-particles. The preparation method comprises the following steps: preparing a solution from the cation defect cadmium sulfide nanoparticles and the transition metal salt, adding a sodium borohydride solution, and carrying out a reduction reaction to prepare the catalyst. The catalyst has the advantages of good visible light absorption performance, strong adsorption activation performance, excellent photocatalytic performance, excellent selectivity and the like, is a novel visible light catalyst with excellent performance, can be widely used for reducing carbon dioxide, can generate methane and ...

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Номер записи: 96
27-08-2021 дата публикации

Toxic and harmful gas on-line monitoring system

Номер: CN214067073U
Автор: LI YONGZHEN, GUO RUIHUA, ZHU XIAOFENG, ZHU ZUOGANG, ZHAO DAN, MA CHI, WANG TAO, HU WENCHENG, 李永振, 郭瑞华, 朱小锋, 朱佐刚, 赵丹, 马驰, 王涛, 户文成
Принадлежит: BEIJING MUNICIPAL INST LABOUR PROT, BEIJING MUNICIPAL INSTITUTE OF LABOUR PROTECTION, 北京市劳动保护科学研究所

The utility model provides a poisonous and harmful gas on-line monitoring system which comprises a shell, a circuit board, a gas inlet and a gas outlet, a gas detection module is installed on the circuit board, and the gas inlet and the gas outlet are respectively arranged at two ends of the shell. The gas detection module comprises a plurality of gas sensors used for detecting gas concentration, an environment temperature and humidity sensor and a gas pressure sensor. According to the toxic and harmful gas on-line monitoring system provided by the utility model, the waterproof and explosion-proof shell design is adopted, the applicability of the monitoring system to a complex environment is improved, the monitoring system adopts an integrated design, and the gas detection module can detect various toxic and harmful gases, so that the system is suitable for most gas detection places; automatic detection can be carried out in a to-be-detected environment, and a worker does not need to enter ...

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Номер записи: 97
18-04-2023 дата публикации

Aerial cable series-parallel line cable terminal head capable of resisting conducted interference

Номер: CN115986665A
Автор: LYU JIANDANG, HUANG BAOMING, MA CHI, WANG SHENGLI, ZHANG GUANGTAO, WU XIAOFENG, LIU BIN, CHANG HAOBO, SHIRAGO KO, GUO HAOYANG, WANG HAO, CUI HANJUN, JIANG YUAN, BI YUFEI, TANG GUOBIN, JU DI, MA CHENGDONG, SUN JIE, LI JIANGTAO
Принадлежит:

The invention discloses an aerial cable series-parallel line cable terminal head capable of resisting conducted interference. The aerial cable series-parallel line cable terminal head comprises a terminal head body and an anti-interference device. In actual use, the terminal head is mounted at a cable outlet end of a mixed line of an overhead line and a cable, and when high-frequency interference invades into the overhead line from the cable, hysteresis and eddy-current loss can be formed in the ferrite magnetic ring string of the anti-interference device, and Joule heat loss can be formed in a secondary loop of the anti-interference device. The terminal head is small in size, convenient to mount and dismount, high in mechanical strength, and capable of effectively inhibiting the amplitude of high-frequency interference, reducing the gradient of intruding waves and finally improving the accuracy of the cable partial discharge test of the aerial cable series-parallel line.

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Номер записи: 98
06-06-2023 дата публикации

Method for evaluating content of VOCs (volatile organic compounds) in new vehicle under static and driving conditions

Номер: CN116223729A
Автор: YANG YAWEN, GUO RUIHUA, SUN CHENGGANG, LEE YOUNG-JIN, ZHANG PENG, ZHU XIAOFENG, ZHAO DAN, MA CHI, ZHU ZUOGANG, DAN MO
Принадлежит:

The invention discloses a method for evaluating the content of VOCs in a new vehicle under static and driving conditions. The method comprises the following steps: selecting a newly produced vehicle as a to-be-tested object; selecting a static state as a test state of the vehicle, collecting an air sample in the vehicle in an environment test box and under a sunshine condition, and obtaining the concentration and the type of VOCs in the air; driving is selected as a test state of the vehicle, an air sample in the vehicle is collected, and the concentration and the type of VOCs in the air are obtained; and evaluating the air quality in the new vehicle according to the concentration and type of the VOCs in the air under the static and driving conditions. According to the method, the concentration and the type of typical VOCs are measured and recognized under the static condition and the driving condition respectively, the air quality level of a new vehicle under different conditions is evaluated ...

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Номер записи: 99
23-05-2023 дата публикации

Method for making track base and track bed layer of civil airport flight field track area by adopting cement improved soil

Номер: CN116145513A
Автор: MA CHI, XU YUSHENG, JIANG HUIHUANG, LIU YIMING, LIN QINGSHENG, MA FANGANG, GUO YALEI, FU LIANZHU, ZHENG XINCHENG, KANG JUNHAO, ZHENG LUMIN, HU YOU, HONG XINYAN, LIU XIANGMING
Принадлежит:

The invention discloses a method for manufacturing a track base and a track bed layer of a civil airport flight field track area by adopting cement improved soil. The method specifically comprises the following steps: S1, carrying out field test; s2, preparing a site; s3, preparation and transportation of aggregate; s4, aggregate paving: virtually paving each layer of soil material according to the designed paving thickness, and then uniformly paving cement until the surface is free of missing paving and free of excessive concentration points of the cement; s5, aggregate mixing; S6, grinding; and S7, detecting. According to the method for using the cement improved soil as the roadbed bed layer, the cement improved field earthwork is used as the roadbed bed layer, so that the purchase and earthwork discarding expenses of the original stone-filled roadbed layer on the stone-filled material are avoided, and the manufacturing cost is greatly saved.

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Номер записи: 100