Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 35. Отображено 35.
30-12-2015 дата публикации

Gold mine stone primary mineral system of roughly selecting

Номер: CN0204911726U
Автор: MAO WEIWEI, YANG JIAQUAN, LI WENGAO, LU FUCHENG, LIANG WANCANG, FANG XIAOBO, FENG JINGMIN
Принадлежит:

The utility model provides a gold mine stone primary mineral system of roughly selecting, is including the vibrating feeder, first breaker and the one -level screening plant that connect gradually, one -level screening plant has four discharge gates, and four discharge gates link to each other with the feed inlet of second breaker, feed inlet, second grade screening plant and the system sand machine of third breaker respectively, and the equal and one -level screening plant of the discharge gate of second, three breakers links to each other, and the discharge gate of system sand machine is continuous with second grade screening plant, second grade screening plant has four discharge gates, and wherein two discharge gates are stored up the storehouse with the stone respectively and are linked to each other with thin feed bin, and two other discharge gates link to each other with the feed inlet of system sand machine, and the discharge gate and the tertiary screening plant of thin feed bin ...

Подробнее
Номер записи: 1
04-11-1998 дата публикации

Glass fiber reinforced plastic magnetic black, white board

Номер: CN0002296275Y
Автор: YANG JIAQUAN, HUANG WEI, JIAQUAN YANG, WEI HUANG
Принадлежит: HUANG WEI

The utility model relates to a glass fiber reinforced plastic magnetic black, white board. The utility model is characterized in that the back side of a base plate is coated or laid with a layer of glass fiber reinforced plastic; the front side of the base plate is coated or laid with a layer of restoring iron powder, and is coated or laided with a layer of resin. The utility model has the advantages of long service life, good writing effect, good magnetic attraction, etc.

Подробнее
Номер записи: 2
25-07-2023 дата публикации

Slope angle dangerous rock removing device for mine geological disaster prevention and control

Номер: CN116479961A
Автор: GONG MINGSHAN, CHEN RONGJIAN, YANG JIAQUAN, LI ZHONG
Принадлежит:

The invention discloses a slope angle dangerous rock removing device for mine geological disaster prevention and control in the technical field of slope angle dangerous rock removing, the slope angle dangerous rock removing device comprises an impact pickaxe and a support assembly, the support assembly comprises a supporting plate, the bottom of the supporting plate is fixedly connected with a vertical rod, the bottom of the vertical rod is fixedly connected with a plurality of inclined rods, and the bottoms of the inclined rods are fixedly connected with a circular bottom frame; the top of the impact pickaxe is fixedly connected with a top plate, the top of the top plate is symmetrically and fixedly connected with telescopic rods, and the center of the top plate is fixedly connected with a top rod; a buffering block is fixedly connected to the side, close to the vertical rod, of the impact pickaxe, a sliding groove is formed in the side, close to the buffering block, of the vertical rod ...

Подробнее
Номер записи: 3
10-12-2014 дата публикации

Method for improving transmission real-time of sample data in electric power distribution network system

Номер: CN104202131A
Автор: YANG JIAQUAN, LI PING, FENG YONG, DU JINGQI, SU SHI, LI WEI, ZOU JINGXI
Принадлежит:

The invention relates to a method for improving the transmission real-time of sample data in an electric power distribution network system. The method comprises the following steps: (1) utilizing a switch to realize the calculation of internal time delay of the switch in the transmission process, and reflecting the internal time delay in a sampling message; (2) concluding the accurate time of sampling value according to the receiving time and the sampling value and the internal time delay of the switch carried in the sampling message after the sampling message is received by a protection device in the power distribution system, and taking the accurate time of the sampling value as related criterion for protection discrimination, wherein the hardware structure of the switch is that an FPGA (Field Programmable Gate Array) functional module (4) is respectively connected to a CPU (Central Processing Unit) management module (1), a PHY (Physical Layer) module (2) and a switching module (3), and ...

Подробнее
Номер записи: 4
22-10-2014 дата публикации

High-heat-dissipation oil-immersed transformer

Номер: CN104112567A
Автор: YU CHUNLEI, YANG JIANPING, GU WEI, YANG JIAQUAN, DU JIHONG, HUANG ZHIFANG, SHEN SHANLIN, XU YEPING
Принадлежит:

The invention discloses a high-heat-dissipation oil-immersed transformer which comprises an oil tank of which the interior is provided with a winding and an iron core, an oil tank cover, a high-pressure pile head and a low-pressure pile head. The oil tank cover is arranged on the oil tank, the upper portion of the oil tank cover is provided with a cooling fin, and a cooling channel communicated with the oil tank is arranged in the cooling fin to form back flow. The high-pressure pile head and the low-pressure pipe head are arranged on the two sides of the oil tank cover in an inclined mode. The top of the oil tank cover is further provided with a drainage tube, the height of the drainage tube is higher than that of the cooling channel in the cooling fin on the oil tank cover, and a space is reserved between the liquid level of cooling oil in the oil tank and the topmost end of the drainage tube. According to the high-heat-dissipation oil-immersed transformer, the cooling fin is additionally ...

Подробнее
Номер записи: 5
07-05-2014 дата публикации

Mountain fire image identification method of image monitoring system of electric transmission line tower

Номер: CN103778418A
Автор: HAO YANPENG, YANG LIN, LUO JIANBIN, SHI ZUNWEI, CAO MIN, YANG JIAQUAN
Принадлежит:

The invention discloses a mountain fire image identification method of an image monitoring system of an electric transmission line tower. The mountain fire image identification method comprises the following steps that firstly, the forest fire danger rating is evaluated by means of data of a microclimate on-line monitoring system on the electric transmission line tower, and the image collecting frequency of the on-line monitoring system is adjusted according to rating evaluation; secondly, abnormal situations of an image are detected by the image difference principle; thirdly, skyline segmentation is conducted on the image; fourthly, whether the image has a flame region is judged; fifthly, whether the image has a smoke region is judged; sixthly, whether a fire occurs is judged. The mountain fire image identification method has the advantages that remote early warning of mountain fire of an electric transmission line is achieved, and safe and stable operation of the electric transmission ...

Подробнее
Номер записи: 6
20-04-2011 дата публикации

Method for turning over large member

Номер: CN0101549833B
Автор: YANG JIAQUAN, FU NENGJUN, JIANG HUA, DIAO TENGDA, WEI LAI, LEI XIAOMEI, JIAQUAN YANG, NENGJUN FU, HUA JIANG, TENGDA DIAO, LAI WEI, XIAOMEI LEI
Принадлежит:

The invention discloses a method for turning over a large member, comprising two hoisting apparatuses, a member and a moulding bed on which the member is placed. The length of the moulding bed is morethan twice longer than that of the turned surface of the member. Both sides of the turned surface of the member are respectively provided with a reinforced lifting eye and a turning plate. In order to reduce impulse force on the member, the turning plates are circular arcs in different curvatures. The member is turned over using the turning plates as supporting points by the synchronous operationof the two hoisting apparatuses according to the free wind theory and the rotating shaft theory. When the member passes 90 degrees, main hooks of the hoisting apparatuses need to fall slowly, which prevents the impulse force caused by rapid falling, thereby the large member is turned over. The method turns over the member by the hoisting apparatuses, the hoisting capacity of which is much lighterthan ...

Подробнее
Номер записи: 7
21-07-2023 дата публикации

Substation management method and related equipment

Номер: CN116470591A
Автор: ZHANG BAOLIN, LI YATE, TIAN JUNMING, ZHANG QINGTAO, ZHANG YONGSHENG, WANG HAOBING, JIANG YONG, FENG LIANGJING, FENG YONG, YANG JIAQUAN, XIE QINGYANG, ZHANG XIRAN
Принадлежит:

The embodiment of the invention discloses a transformer substation management method and related equipment. The method comprises the following steps: acquiring a dispatching instruction for a transformer substation; the scheduling instruction is analyzed based on a preset word bank, operation task information of the scheduling instruction is confirmed, and the operation task information comprises an instruction type, operation parameters and an operation type; determining an operation sequence of the scheduling instruction according to the instruction type, the operation parameter and the operation type; and comparing the operation sequence with a target operation sequence to obtain a comparison result, and completing the management of the transformer substation based on the comparison result. The operation sequence of the dispatching instruction is obtained by analyzing the dispatching instruction, so that the field operation order and the dispatching instruction are automatically compared ...

Подробнее
Номер записи: 8
30-03-2011 дата публикации

Amorphous alloy 10kV dry type transformer used for wind power generation

Номер: CN0101996755A
Автор: Ling Jian, Yang Jianping, Yang Jiaquan, Chen Liquan, Jia Chen, Lu Jie
Принадлежит:

The invention discloses an amorphous alloy 10kV dry type transformer used for wind power generation, wherein no-load loss thereof is 30% of the traditional silicon-steel sheet iron transformer. The transformer comprises an iron core, a three phase coil winding, a frame, a support and a base; wherein the iron core is composed of four square opening roll iron cores the lower yoke of which can be opened or closed and are arranged into a four-frame five-column stype structure, and the roll iron core is formed by winding of amorphous alloy strip; the three phase coil winding is an integral coil winding composed of a low voltage winding and a high voltage winding respectively, the coil winding is respectively sheathed on the iron core columns adjacent to four parallel roll iron cores; the frame is composed of a pair of end clamping pieces which are respectively arranged outside the two sides of the iron core as well as an upper clamping piece and a lower clamping piece which are respectively ...

Подробнее
Номер записи: 9
18-07-2023 дата публикации

Primary and secondary fusion distributed network construction type energy storage method and device

Номер: CN116454953A
Автор: LUAN SIPING, SU SHI, ZHANG WEN, DU XIAO, YANG JIAQUAN, YANG KAIJIANG, CHEN SI
Принадлежит:

The invention provides a primary and secondary fusion distributed network construction type energy storage method and device, and the method comprises the steps: controlling the motion dynamic state of a potential phase in an energy storage device according to an active power instruction value and an instantaneous value of the energy storage device, and further enabling the motion dynamic state of the energy storage device to be synchronized with an AC main network; the method comprises the following steps: acquiring the voltage amplitude and frequency of a grid-connected point to obtain a voltage amplitude deviation value and a frequency deviation value, performing droop instruction calculation on a distributed photovoltaic device in a photovoltaic-containing power distribution area to obtain the total amount of active power of the distributed power supply participating in primary frequency modulation and the total amount of reactive power of primary voltage regulation in the photovoltaic-containing ...

Подробнее
Номер записи: 10
01-08-2023 дата публикации

Optimized scheduling method and device for active power distribution network system containing micro-grid group

Номер: CN116526579A
Автор: LUAN SIPING, SU SHI, LI YAOHUA, HE XUEHAO, YANG JIAQUAN, SU ZONGFEI, ZHAO BIAO
Принадлежит:

The invention provides an optimal scheduling method and device for an active power distribution network system containing a micro-grid group, and the method comprises the steps: firstly building a power distribution network double-layer model which comprises a power distribution network dynamic economic scheduling model and a micro-grid dynamic economic scheduling model; the power distribution network dynamic economic dispatching model and the micro-grid dynamic economic dispatching model respectively comprise an objective function and a constraint condition; secondly, establishing an autonomous optimization model of the power distribution system; and then, the power distribution system autonomous optimization model is adopted to decouple objective functions and constraint conditions of the power distribution network dynamic economic dispatching model and the micro-grid dynamic economic dispatching model, so that an optimal dispatching result can be obtained, and the problem that active ...

Подробнее
Номер записи: 11
10-02-2010 дата публикации

Body structure of dual voltage amorphous alloy iron core oil-immersed distribution transformer

Номер: CN0101645346A
Автор: LING JIAN, SHI WENBO, ZHU ZHAOMIN, YANG JIAQUAN, JIAN LING, WENBO SHI, ZHAOMIN ZHU, JIAQUAN YANG
Принадлежит:

The invention relates to a body structure of a dual voltage amorphous alloy iron core oil-immersed distribution transformer, which comprises an iron core, a low-voltage coil and a high-voltage coil, wherein the high-voltage coil is arranged in a mode of accepting voltages of two voltage grades which meet a double relationship; the mode refers to that: the high-voltage coil is divided into two sections of axially or radially arranged coil bodies, and the two ends of each of the two sections of coil bodies are provided with a tapping point respectively; and the tapping points of the two sectionsof coil bodies are simultaneously connected with a series of parallel switches. The body structure ensures that the dual voltage amorphous alloy iron core oil-immersed distribution transformer can accept voltages of two voltage grades, and the two voltages meet the double relationship, so the requirement of a distribution circuit on the two voltage grades is met.

Подробнее
Номер записи: 12
28-05-2014 дата публикации

Modeling method of uniform interface for accessing distributed energy sources into active power distribution system

Номер: CN103825301A
Автор: SU SHI, YANG YANG, YAN YUTING, LIU YOUKUAN, LI PING, YANG JIAQUAN, DU JINGQI
Принадлежит:

The invention discloses a modeling method of a uniform interface for accessing distributed energy sources into an active power distribution system. A model built by the method comprises an output interface and an input interface, wherein the information transmitted to a control system by distributed energy source equipment and an energy storage device is appointed by the output interface, and the information and action flow transmitted to the distributed energy source equipment and the energy storage device by the control system are appointed by the input interface. The method has the following outstanding effects: 1. a uniform interface model is built so that the controller of the active power distribution system adopts a uniform management mode and the control algorithm is simplified; 2. only interface information is transmitted, so that the data acquisition quantity is reduced and the communication efficiency is enhanced; 3. due to the distributed calculation mode, the calculation efficiency ...

Подробнее
Номер записи: 13
24-09-2014 дата публикации

Design method and system of electric power information communication network convergence test platform

Номер: CN104065398A
Автор: PU XIUJUAN, LYU YUXIANG, CHENG YUNMEI, TANG JUN, HU ZHIYUAN, ZHANG WENZHE, XU TAO, LI XIAODI, YANG JIAQUAN
Принадлежит:

The invention relates to a design method and system of an electric power information communication network convergence test platform. The test platform system is mainly divided into a service search two-dimensional table, an electric power communication service generator, a traffic shaper, a network simulator, a communication path switch, a service controller and a service ending analyzer and repeater. Electric power communication services are divided to form the service search two-dimensional table according to the IEC61850 protocol, the IEC60870-5-101 protocol, the IEC60870-5-104 protocol, equipment types and the like; non-electric-power service data streams of electric power services, voice, video and the like are obtained, the input electric power communication service test streams are managed through traffic shaping technologies including admission control, input traffic label identification and the like, the electric power communication service streams are transmitted through the ...

Подробнее
Номер записи: 14
02-05-2023 дата публикации

Field intensity orientation identification method, early warning method, equipment and system

Номер: CN116047182A
Автор: ZHANG XUDONG, YANG JIAQUAN, LU YONG, ZHOU NIANRONG, SU SHI, TANG LIJUN, LI CHUO, ZHANG XIRAN, HE JIE, YANG YANG, GAO JING, DU XIAO
Принадлежит:

The embodiment of the invention discloses a field intensity orientation identification method, an early warning method, equipment and a system, and the method comprises the steps: obtaining the posture data and position data of an operator before and after the displacement, and obtaining the electric field data of a charged body before and after the displacement of the operator; determining a space coordinate system corresponding to the electrified body based on the attitude data and the position data before and after the displacement of the operator, and calculating the relative distance of the operator relative to the electrified body before and after the displacement based on the space coordinate system; and calculating field intensity azimuth data of the electrified body according to a pre-established electrified body space azimuth calculation model based on the relative distance between the electrified body and the electrified body before and after the displacement. The method is different ...

Подробнее
Номер записи: 15
18-11-2015 дата публикации

Switching device discharges in intelligence ball crack

Номер: CN0204793619U
Автор: GUO GUANGMENG, GUO WEI, SHAO WU, WANG BIN, HUANG LI, YANG JUN, ZHANG CHUNHUI, LU SHISU, CHEN LILING, ZHANG XIUJIANG, DUAN YANRU, YANG JIAQUAN, FENG YONG, LI WEI, ZOU JINGXI
Принадлежит:

The utility model provides a switching device discharges in intelligence ball crack, provides including voltage detection unit (54) that provide voltage between the first electrode that the sphere is relative (22) and second electrode (21) between first electrode (22) and second electrode (21) the distance apart from detecting element (55), set up and be in ceramic cylinder (51) and atmospheric pressure sensing unit (53) of triggering pin electrode (52) airflow channel of first electrode (22) ball top central authorities still include with atmospheric pressure sensing unit (53), voltage detection unit (54) with apart from detecting element (55) coupled linking's microprocessing unit (56) and communication unit (57) and display element (58) be connected with microprocessing unit (56). Implement the utility model discloses a switching device discharges in intelligence ball crack can regularly or collect between the record transmission electrode distance, atmospheric pressure size isoparametric ...

Подробнее
Номер записи: 16
12-02-2014 дата публикации

Steel plate tapered hole forming device and method

Номер: CN103567598A
Автор: YANG JIAQUAN, JIANG HUA, ZHANG GENTIAN
Принадлежит:

A steel plate tapered hole forming device comprises a cutting machine, a cutting machine cutting nozzle and a cutting work turntable. The steel plate tapered hole forming device is characterized in that the cutting machine is arranged on a basic working platform (1) through a tire rack (2) and a base (3); a cutting machine spindle (4) is perpendicular to the base (3); one end of a cutting machine arm (5) is fixedly arranged on the cutting machine spindle (4), and the other end is provided with an infrared locator (6); the cutting machine cutting nozzle (10) is fixedly arranged above a cut workpiece (11) at a certain angle and cutting gas is adjusted through a cutting machine cutting nozzle adjusting nut (9); the cutting work turntable (13) is arranged on the same basic working platform (1) with the cutting machine, a motor control device (14) is arranged below the cutting work turntable, and the cutting work turntable is driven by the motor control device to rotate. The steel plate tapered ...

Подробнее
Номер записи: 17
09-07-2014 дата публикации

Transformer substation direct-current system based on secondary battery and super capacitor hybrid energy storage

Номер: CN103915873A
Автор: SU SHI, LI PING, ZHANG WENBIN, LIU YOUKUAN, YAN YUTING, YANG JIAQUAN, WANG BINQUAN
Принадлежит:

The invention relates to a transformer substation direct-current system based on secondary battery and super capacitor hybrid energy storage and belongs to the technical field of power devices. The transformer substation direct-current system based on secondary battery and super capacitor hybrid energy storage is characterized in that the energy storage requirement of the transformer substation direct-current system is met by designing a hybrid energy storage module based on a secondary battery and a super capacitor. According to the transformer substation direct-current system based on secondary battery and super capacitor hybrid energy storage, the advantages of hybrid energy storage can be brought into full play, and the power characteristic of the transformer substation direct-current system is improved; meanwhile, the transformer substation direct-current system has the advantages of being friendly to a power grid and the environment, capable of meeting high-power discharging requirement ...

Подробнее
Номер записи: 18
07-04-2023 дата публикации

Pile foundation overturning construction method and pile foundation overturning adjusting lifting appliance

Номер: CN115924704A
Автор: WANG KUN, PENG CHANGYANG, XIANG CANLONG, GAN GUOMIN, ZHOU JIANHAO, LYU YIMIN, YANG JIAQUAN
Принадлежит:

The invention discloses a pile foundation overturning construction method and a pile foundation overturning adjusting lifting appliance, and the pile foundation overturning construction method comprises the following steps: using the pile foundation overturning adjusting lifting appliance, realizing that a fixed chain provides a stress point in the middle of a pile foundation, adjusting the lengths of an outer chain and an inner chain at the two ends of the pile foundation, and realizing the simultaneous and rapid overturning of the two ends of the pile foundation. When the two ends of the pile foundation are turned and adjusted at the same time, the fixed chain forms a fixed lifting point, so that the pile foundation is turned stably without excessive shaking, and the problem that the pile foundation loses a stress point and shakes excessively due to the fact that only the main lifting rope and the auxiliary lifting rope change the length at the same time to turn the two ends of the pile ...

Подробнее
Номер записи: 19
26-11-2014 дата публикации

Distribution network self-healing method based on GOOSE communication

Номер: CN104167819A
Автор: YANG JIAQUAN, LIU YOUKUAN, LI PING, FENG YONG, DU JINGQI, LI WEI, ZOU JINGXI
Принадлежит:

Provided is a distribution network self-healing method based on GOOSE communication. In a distribution network system, the GOOSE communication replaces the original mode that transmission is performed between power distribution terminals and a power distribution sub-station through an SOE event. The power distribution terminals acquire working states of related switch devices through the GOOSE communication and transmit trip instructions to related devices through GOOSE communication messages. The power distribution sub-station also informs the power distribution terminals to carry out related reclosure or trip orders according to the related GOOSE communication messages, so that the recovery rate of a system is increased when the power distribution terminals transmit the trip instructions due to faults, and timeliness of transmission of related orders is guaranteed. According to the technical scheme, the power distribution terminals transmit real-time information to the power distribution ...

Подробнее
Номер записи: 20
01-07-2009 дата публикации

Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof

Номер: CN0101471171A
Автор: YANG JIAQUAN, LING JIAN, ZHU ZHAOMIN, JIAQUAN YANG, JIAN LING, ZHAOMIN ZHU
Принадлежит:

The invention relates to a structure and a manufacture method of amorphous alloy dry distribution transformer, wherein the structure comprises a three-phase iron core, a high and a low tension coils which are respectively winded into a whole structure and which case on the three-phase iron core, an insulating frame arranged in the low tension coil, upper and lower clippers arranged at the upper and the lower ends of the high and the low tension coils, and a plurality of aluminum-copper transition joints fixed on the upper clippers by insulating wire clamps or insulators. The high and the low tension coils all employ aluminum as conducting material, and the high tension coil cases around the high tension coil after being bound with aluminum wires and encapsulated by epoxy. The manufacture method of amorphous alloy dry distribution transformer replaces copper with aluminum, which not only has the feature of low open circuit loss of common amorphous alloy distribution transformers but also ...

Подробнее
Номер записи: 21
18-04-2023 дата публикации

Fault recovery control method for power distribution network containing distributed power supply considering closed loop time delay

Номер: CN115986726A
Автор: LI BANGYUAN, WANG YONG, XU SHOUDONG, YANG JIAQUAN, ZHANG BIHUA, CHANG RONG, ZHANG LI, SHI HENGCHU, YANG CHUANXU, PAN RUI, YE WENHUA, TANG YIHENG, DANG JUNPENG, YANG YUANHANG, LI YINYIN, PENG JUNZHEN, OUYANG JINXIN, WANG JIAN, HUANG SHANKE
Принадлежит:

The invention relates to the technical field of power system protection and control, in particular to a fault recovery control method for a power distribution network containing a distributed power supply and considering loop closing delay. The method includes the steps that a power distribution network collects operating parameters online, and whether a fault section is isolated is judged; the power distribution control center determines loop closing operation parameters on line; the power distribution control center calculates the optimal output and the optimal loop closing moment of each distributed power supply on line in real time before loop closing; the power distribution control center issues a fault recovery implementation scheme to the distributed power supply and the loop closing and opening switch, and then the implementation scheme is implemented immediately. According to the method, the impact current out-of-limit condition in the loop closing delay process is considered, ...

Подробнее
Номер записи: 22
07-10-2009 дата публикации

Method for turning over large member

Номер: CN0101549833A
Автор: YANG JIAQUAN, FU NENGJUN, JIANG HUA, DIAO TENGDA, WEI LAI, LEI XIAOMEI, JIAQUAN YANG, NENGJUN FU, HUA JIANG, TENGDA DIAO, LAI WEI, XIAOMEI LEI
Принадлежит:

The invention discloses a method for turning over a large member, comprising two hoisting apparatuses, a member and a moulding bed on which the member is placed. The length of the moulding bed is more than twice longer than that of the turned surface of the member. Both sides of the turned surface of the member are respectively provided with a reinforced lifting eye and a turning plate. In order to reduce impulse force on the member, the turning plates are circular arcs in different curvatures. The member is turned over using the turning plates as supporting points by the synchronous operation of the two hoisting apparatuses according to the free wind theory and the rotating shaft theory. When the member passes 90 degrees, main hooks of the hoisting apparatuses need to fall slowly, which prevents the impulse force caused by rapid falling, thereby the large member is turned over. The method turns over the member by the hoisting apparatuses, the hoisting capacity of which is much lighter ...

Подробнее
Номер записи: 23
30-05-2023 дата публикации

Power transmission line simulation modeling method, device and system

Номер: CN116186949A
Автор: ZHANG XUDONG, YANG JIAQUAN, LU YONG, ZHOU NIANRONG, SU SHI, TANG LIJUN, LI CHUO, ZHANG XIRAN, HE JIE, YANG YANG, GAO JING, DU XIAO
Принадлежит:

The invention discloses a power transmission line simulation modeling method, device and system, and belongs to the field of power transmission line modeling. Only key point positions of equipment such as a tower are extracted, so that all point cloud data does not need to be processed, and the data volume is greatly reduced; subsequently, data of non-key points are supplemented through linear interpolation and non-linear interpolation in a cooperative mode, a corresponding model is obtained, and the data processing amount is reduced. Then establishing an air geometric model and importing a human body model into the structure model to obtain a human body temporary electricity detection three-dimensional entity model; and finally, carrying out region segmentation and connection to obtain a finite element model for subsequent analysis and calculation. According to the scheme, point cloud data, parameterization, modularization and RAM virtual external memory cooperation are combined during ...

Подробнее
Номер записи: 24
04-08-2023 дата публикации

Power grid voltage regulation and control method and system based on electric vehicle-photovoltaic power joint debugging

Номер: CN116544949A
Автор: GU ZHIMING, LI BO, JIN XIN, PAN TINGZHE, FENG JUNHAO, LIAO YAOHUA, WANG EN, YANG JIAQUAN, WEI LING, ZHAO YONGHUI
Принадлежит:

The embodiment of the invention discloses a power grid voltage regulation and control method based on electric vehicle-photovoltaic power joint debugging. The method comprises the following steps: acquiring power utilization parameters of power grid equipment; acquiring operation data of the power grid at the current moment t; and when the operation data of the power grid at the current moment t meets the power utilization parameters of the power grid equipment, regulating and controlling the configuration parameters of a voltage monitoring point according to an electric vehicle-photovoltaic power joint debugging strategy. According to the invention, through the judgment of the satisfaction conditions of the operation data of the power grid at the current moment t and the power utilization parameters of the power grid equipment, the photovoltaic power regulation and control can be coordinated for combined control, the configuration parameters of the voltage monitoring points are regulated ...

Подробнее
Номер записи: 25
12-05-2023 дата публикации

Water conservancy project real-time collection data management method and system

Номер: CN116112530A
Автор: SU HUAIZHI, LI ANGZE, YANG MENG, GU YU, WU WENYUAN, LIU MINGKAI, YANG JIAQUAN
Принадлежит:

The invention provides a water conservancy project real-time collection data management method and system, and the method comprises the steps: obtaining a real-time data set which comprises a plurality of pieces of real-time collection data collected by a plurality of collection units in a target water conservancy project; partial or all data in the real data set is removed from the real-time data set, at least one data subset is obtained, and the real data set comprises real-time collection data collected by at least one collection unit; using a preset distance model to calculate a measurement distance set of the real data set and the at least one data subset, the measurement distance set comprising at least one measurement distance; a filling data set corresponding to the real data set is determined according to the preset filling radius and the measurement distance set, and the filling data in the filling data set is used for replacing the real-time collection data with the corresponding ...

Подробнее
Номер записи: 26
04-03-2015 дата публикации

Turnover rack special for turning amorphous alloy dry transformer bodies

Номер: CN104386628A
Автор: CHEN XIAOQIANG, ZHANG ZHIJIAN, YANG JIAQUAN, ZHU ZHAOMIN, GU XUEJUN, WANG RUI
Принадлежит:

The invention discloses a turnover rack special for turning amorphous alloy dry transformer bodies. The turnover rack comprises a turnover tabletop, at least two V-shaped seats, a supporting tabletop, a support, a hydraulic cylinder, a base and a triangular lever; one end of the hydraulic cylinder is fixedly connected with the base; the other end of the hydraulic cylinder is connected with the triangular lever through a first hinging point; the triangular lever is fixedly connected with the lower portion of the supporting tabletop; the upper portion of the support is connected with the supporting tabletop through a second hinging point; the lower portion of the support is fixedly connected with the base; the turnover tabletop is fixedly connected with the supporting tabletop, forming an L-shaped integrated tabletop; a V-shaped opening of each V-shaped seat faces up; the lower end of every V-shape seat is arranged on the supporting tabletop. The turnover rack allows stable and reliable turnover ...

Подробнее
Номер записи: 27
25-11-2015 дата публикации

Distribution lines operation condition monitoring device and system

Номер: CN0204807640U
Автор: GUO GUANGMENG, SHAO WU, WANG BIN, ZHOU WEI, YANG JUN, LYU JIANFEI, WANG YURONG, CUI YONG, YANG JIAQUAN, LI WEI, ZOU JINGXI
Принадлежит:

The utility model discloses a distribution lines operation condition monitoring device and system, including a plurality of monitorings probe of controller, wireless sensing module, image candid photograph device and each monitoring point of setting in distribution lines, a plurality of monitorings probe includes: electric current sensing monitoring probe, electric field response monitoring probe, temperature -sensing monitor the probe, a plurality of monitoring probes and image candid photograph module are connected to the controller respectively, and this controller is used for triggering the image and takes a candid photograph the device and carry on that the picture is taken a candid photograph and the data that will come from each a plurality of monitorings probe mail to the surveillance center through the wireless sensing module when electric current, electric field strength or temperature reach the predetermined value. The utility model discloses can realize taking a candid photograph ...

Подробнее
Номер записи: 28
21-07-2010 дата публикации

Energy-saving emission-reducing system special for reversing industrial furnace gas

Номер: CN0101781080A
Автор: Yang Jiaquan
Принадлежит:

The invention discloses an energy-saving emission-reducing system special for reversing industrial furnace gas, which comprises a bell valve. The upper end of the bell valve is provided with an atmospheric pressure execution element by which the bell valve is respectively connected with an electromagnetic valve, a timing delay and a reversing controller, the atmospheric pressure execution element is provided with a limiting valve and connected with an aerial conveyor by a connecting rod, and the lower end of the aerial conveyor is connected with a hanger rod by which the lower end of the bell valve is connected with a hanger hood. By ascending or descending the hanger hood, the problem of waste gas exhaust during reversing a gas exchanger is solved.

Подробнее
Номер записи: 29
30-09-2015 дата публикации

Embossed seal anchor clamps

Номер: CN0204674218U
Автор: ZHANG YONGTAO, YANG JIAQUAN
Принадлежит:

The utility model provides an embossed seal anchor clamps, its appearance clamps with ordinary steel wire includes binding clip (3), clamps handle (1) and keeps silent (4) its characterized in that: keep silent (4) press from both sides at the binding clip and be when tight square, be fit for vising the overall dimension of various embossed seal. The utility model discloses an embossed seal anchor clamps has anchor clamps simple structure, the preparation is convenient, is applicable to to press from both sides to get various not unidimensional embossed seal and injure the psychological burden of finger by a crashing object with making operating personnel not have and slipping up, can beat the embossed seal tail end with great power, when stopping the industrial accident, has improved the advantage of the definition of steel impression mark greatly.

Подробнее
Номер записи: 30
22-08-2023 дата публикации

Cobalt-platinum alloy plane sputtering target material and preparation method thereof

Номер: CN116618668A
Автор: ZHENG SHUANGMING, BAI XIANGYU, ZHANG RUOYU, YANG JIAQUAN, PAN GUODONG
Принадлежит:

The invention discloses a cobalt-platinum alloy plane sputtering target material and a preparation method thereof, and the preparation method comprises the following steps: vacuum atomization powder preparation: putting platinum and cobalt raw materials into a powder preparation device according to a preset mass ratio, and vacuumizing the powder preparation device to enable the vacuum degree in the powder preparation device to be a preset vacuum degree value, preparing platinum and cobalt raw materials into platinum-cobalt powder in a powder preparation device; the platinum-cobalt powder is put into a mold, and manual pressurization is conducted on the platinum-cobalt powder, so that the platinum-cobalt powder is formed into a preformed target material with the relative density being the first preset density; and hot isostatic pressing forming is conducted, specifically, the preformed target material is put into a hot isostatic pressing machine to be machined, a formed target material with ...

Подробнее
Номер записи: 31
30-03-2011 дата публикации

Monitoring system and method for distributed charging piles

Номер: CN0101995864A
Автор: Yang Qing, Zhang Linshan, Du Zhaobo, Cui Yufeng, Yang Jiaquan
Принадлежит:

The invention relates to a monitoring system and method for distributed charging piles. The monitoring system comprises a monitoring center, a partition monitor terminal and a charging pile local monitoring system, wherein the monitoring center is used for intensively controlling the charging piles and the operation state thereof, integrally controlling and transmitting time division or real-time electrovalence information of the charging piles, and collecting and managing electric energy charging information of the charging piles; the partition monitor terminal is used for intensively collecting and storing the data of a plurality of charging piles distributed dispersedly in a certain area, forwarding the data to the monitoring center according to the preset mode, and forwarding a monitor command given by the monitoring center to the charging piles; and the charging pile local monitoring system is used for monitoring, managing and protecting the charging process of the charging piles, ...

Подробнее
Номер записи: 32
20-05-2009 дата публикации

Structure of amorphous alloy dry-type distribution transformer and manufacturing method thereof

Номер: CN0101436460A
Автор: YANG JIAQUAN, LING JIAN, GU WEI, JIAQUAN YANG, JIAN LING, WEI GU
Принадлежит:

The invention discloses a structure of a non-crystal alloy dry type transformer and a method for manufacturing the same. The transformer comprises a three-phase non-crystalline alloy iron core, high and low voltage coils sleeved on iron core columns and upper clamping pieces arranged on the upper ends of the high and low voltage coils, and the transformer also comprises an insulation framework sleeved on the iron core columns and a plurality of aluminum-copper transition connectors fixed on the upper clamping pieces through insulated conducting wire clamps or insulators. The aluminum foil is used as a conducting material of the low voltage coils and wound on the insulated framework, and the head ends and the tail ends of the low voltage coils are fixedly connected with the aluminum-copper transition connectors respectively; and the high voltage coils are wound by copper conducting wires and sealed by epoxy resin, and are sleeved outside the low voltage coils. In the technical proposal, ...

Подробнее
Номер записи: 33
23-06-2023 дата публикации

Power transformation equipment management and control level determination method and related device

Номер: CN116307771A
Автор: MA XUELIN, CAI RANGLAMAO, ZHANG BAOLIN, LI LIANG, WANG XIN, YAO JIE, XIONG XILIN, WANG SHAN, WANG ZELANG, MA HONGMING, TAN XIANGYU, PENG JING, ZHOU FANGRONG, XIE QINGYANG, SU SHI, YANG JIAQUAN, ZHANG XUDONG, DU XIAO, ZHANG XIRAN, LI JIE, LI JIABAO, ZHANG YAN
Принадлежит:

The embodiment of the invention discloses a power transformation equipment management and control level determination method and related device.The method comprises the steps that the management and control level of power transformation equipment is adjusted by evaluating a first score, a second score, a third score and a fourth score of the power transformation equipment, and on the basis that the management and control level of the power transformation equipment is evaluated, the management and control level of the power transformation equipment is determined; the power transformation equipment is further evaluated and adjusted by combining a plurality of aspects such as the health stability degree of the power transformation equipment, the importance degree of the power transformation equipment, the operation condition state of the power transformation equipment and the influence degree of the environment where the power transformation equipment is located on the health of the power ...

Подробнее
Номер записи: 34
23-06-2023 дата публикации

Anti-misoperation method and device, equipment and storage medium

Номер: CN116305971A
Автор: ZHANG BAOLIN, ZHANG XIRAN, FENG YONG, YANG JIAQUAN, XIE QINGYANG, FENG LIANGJING, TIAN JUNMING, ZHANG QINGTAO, LI YATE, ZHANG YONGSHENG, WANG HAOBING, JIANG YONG, HE XIN
Принадлежит:

The invention discloses an anti-misoperation method and device, equipment and a storage medium, and the method comprises the steps: searching associated equipment associated with target equipment based on an anti-misoperation model, the anti-error model stores a first association relationship between primary equipment and secondary equipment, a second association relationship between the secondary equipment and multiple preset anti-error rules, and the target equipment is the primary equipment or the secondary equipment; acquiring the current state of the associated equipment; based on the anti-error model, matching an anti-error rule corresponding to the target equipment and the associated equipment; and performing anti-error judgment according to the current state of the associated equipment and the matched anti-error rule. According to the invention, the mutual checking function of the primary and secondary equipment is realized, the blank of the anti-error checking function of the secondary ...

Подробнее
Номер записи: 35