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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 12. Отображено 12.
18-08-2023 дата публикации

Test system and test method for bridge abutment model under horizontal reciprocating load

Номер: CN116609178A
Автор: ZHENG YEWEI, WANG MEIHUI, ZHANG JUN, GUO WENHAO, JIA YAFEI, DENG JIALONG, WANG JIPENG
Принадлежит:

The invention discloses a test system and a test method for a bridge abutment model under a horizontal reciprocating load. The system comprises a model box, an inner cavity of the model box is filled with filler used for forming a foundation layer and a soil filling layer, the inner cavity is provided with a bridge abutment model, and at least part of the outer surface of the simulation box is made of a light-transmitting material or is in an open form; the abutment model is laid on the foundation layer; the loading mechanism is used for applying a linear load to the abutment model; the sensor is used for collecting at least one of soil pressure, displacement and dependent variable of a foundation layer; the data acquisition instrument is electrically connected with the sensor; and the image acquisition equipment is used for shooting the inner cavity of the model box. The test system can accurately and slowly control the speed, is stable in loading process, and can simulate the real development ...

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Номер записи: 1
01-07-2015 дата публикации

Welding slag blocking device, inner container welding device and method

Номер: CN104741740A
Автор: HUANG LIANGYOU, ZHU CHAOWEN, ZHANG HUI, CHU DONGMING, ZHU GUOWEN, JIA YAFEI, LU TAN
Принадлежит:

The invention provides a welding slag blocking device, an inner container welding device and a method. The welding slag blocking device comprises a framework, a first baffle, a second baffle and a third baffle. The first baffle is mounted on the framework, and the second baffle and the third baffle are fixed to the first baffle. Operation space with an opening is formed by the first baffle, the second baffle and the third baffle. The distance between the second baffle and the third baffle ranges from 2 cm to 4 cm. The welding slag blocking device takes surrounding as a starting point, and the operation space with a welding point as the center is arranged in the welding slag blocking device; the operation space surrounds the welding point, and the baffles are adopted to shrink welding slag splashing space; the phenomenon that welding slag is splashed on the surface of a workpiece to be welded to generate weld beadings or burrs is avoided, so that the copper pipe leakage problem caused by ...

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Номер записи: 2
24-06-2015 дата публикации

Air-conditioner package anti-treading structure and air-conditioner packaging box with same

Номер: CN104724405A
Автор: JIA YAFEI, ZHAI HAOCHUN, ZHANG HUI, QI SHAOQING, HUANG LIANGYOU
Принадлежит:

The invention provides an air-conditioner package anti-treading structure and air-conditioner packaging box with the same. The air-conditioner package anti-treading structure comprises an anti-treading plate provided with a plurality of indentations, and the anti-treading plate is bent along the indentations and is fixedly connected end to end to form an accommodation space accommodating an air conditioner. The air-conditioner package anti-treading structure and the air-conditioner packaging box with the same are made of single materials and are simple in packaging procedures, and resultantly packaging efficiency of enterprises can be improved.

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Номер записи: 3
30-03-2018 дата публикации

LED's light polymerization facility and parallel exposure machine

Номер: CN0207164467U
Автор: JIA YAFEI, LI JING
Принадлежит: BEIJING JING ZHEN DA TECH CO LTD, BEIJING JING ZHEN DA TECHNOLOGY CO., LTD.

The utility model provides a LED's light polymerization facility and parallel exposure machine relates to exposure machine technical field, and LED's light polymerization facility includes LED light source, first lens, second lens and third lens, first lens, second lens and third lens are arranged in proper order and are located same the central axis, and the first lens of LED light source orientation, the scattered light that makes the LED light source send pass in proper order becomes even parallel light behind first lens, second lens and the third lens. The in disorder technical problem wholeads to to be applied to the exposure machine of light that the LED among the prior art sent has been alleviated.

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Номер записи: 4
04-07-2023 дата публикации

Measurement device and measurement method for net deformation of flexible cushion layer in model test

Номер: CN116379988A
Автор: ZHENG YEWEI, WANG MEIHUI, JIA YAFEI, ZHANG JUN, JI MINGCHANG
Принадлежит:

The invention discloses a device and a method for measuring net deformation of a flexible cushion layer in a model test. During working, the displacement meter moves along with the flexible cushion layer, and the displacement amount read from the displacement meter is the net deformation amount of the flexible cushion layer. Therefore, the net deformation of the flexible cushion layer can be directly measured, and the data is accurate. The displacement meter is detachably installed on the measured flexible cushion layer through magnetic attraction cooperation of the iron sheet and the magnetic seat, and when the measurement accuracy is affected by local unevenness such as wrinkles and the like at the position of a measured point of the flexible cushion layer, only the magnetic attraction seat needs to be separated from the flexible cushion layer and the position of the magnetic attraction seat needs to be finely adjusted. The placement inclination posture of the displacement meter can be ...

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Номер записи: 5
01-08-2023 дата публикации

Bridge large-size bearing platform stress and strain monitoring system and monitoring method

Номер: CN116519058A
Автор: HOU TAO, WANG DONGLIANG, LI XIAOBO, HUO DANAO, YI MUJIANG, LIU YUPENG, WU YONG, JIA YAFEI, HAO XIANGWEI, XING JIAN, CUI SHUANGLONG, YANG JIANXI, CUI SHUWEI
Принадлежит:

The invention discloses a bridge large-size bearing platform stress and strain monitoring system and method, and belongs to the technical field of bridge stress and strain monitoring. The problem of real-time and accurate monitoring of bridge stress and strain is solved. A stress-strain sensor is connected with an analog electronic switch, the analog electronic switch is connected with a vibration excitation unit, an acquisition unit and an STM32 microcontroller, the acquisition unit is connected with a signal processing unit, the vibration excitation unit and the signal processing unit are connected with the STM32 microcontroller, the STM32 microcontroller is connected with a serial port module and a power module, the serial port module is connected with a wireless module, and the wireless module is connected with a wireless communication module. The wireless module is connected with an upper computer; the stress-strain sensor is used for measuring the dependent variable in the large-size ...

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Номер записи: 6
07-04-2023 дата публикации

Transient voltage safety analysis method based on machine learning model

Номер: CN115936303A
Автор: SUN GUANGHUI, MA BIN, YANG LIBO, LI YIPENG, LUAN SHIYAN, JIA YAFEI, ZHANG SHAOKANG, KANG LEE-WON, LI ANCHANG, WANG YAJUN, LI WEIXUN, YUAN LONG
Принадлежит:

The invention belongs to the technical field of electric power, and particularly relates to a transient voltage safety analysis method based on a machine learning model, which adopts a parallel local area machine learning model considering space-time decoupling characteristics. Compared with an existing machine learning model, the parallel local area model is characterized in that the model is composed of a plurality of sub-machine learning models in a parallel connection mode, each sub-model is responsible for a class of similar power grid operation scenes, the input feature dimensions of the sub-models are low, the number of needed training samples is small, and the training speed is high; when the model is updated, only one sub-model needs to be updated or newly built, the updating cost is low, the number of needed training samples is small, and the updating speed is high.

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Номер записи: 7
09-05-2023 дата публикации

On-duty working method and command platform based on multi-dimensional information one-stop portal

Номер: CN116090996A
Автор: JIA YAFEI, LIU HAIFENG, WEI YINGLI, LUAN SHIYAN, LIU ZHE, JIANG RUIJING, JIAO QINXUE, TANG FAN, SUN MENGXUE, GAO LONG, LI SHURONG, CHEN CHEN, WANG YONGHUI, WANG YAN, SUN HAO, MA ZHIMIN, GUO SHAOFEI, DU ZIMING, ZHANG QIAN, WU FAN, XING MENG, YANG JINGXIN, ZHAO KAI, GUO TONG, QIU LINTAO, ZHAO BEIBEI, ZHOU BAOYU, KOU ZHIZENG, ZHAO XUELIANG, TIAN ZHIQIANG, SUN TIANYU, CHEN ZHENHUA, KANG WEIJIAO
Принадлежит:

The invention discloses an on-duty working method based on a multi-dimensional information one-stop portal and a command platform, and relates to the technical field of command systems. The method comprises the following steps: consulting: acquiring a consulting request clicked by a watch keeper at an important item position, and displaying an item handled by a leader or an instruction of a superior for the watch keeper to consult; process management: at a process management and control position, collecting platform alarm, acquiring and clicking an event button, acquiring and clicking a start defect, starting a defect disposal process, supplementing a disposal record, updating a log record, switching to a defect subject, performing process tracking under a newly increased dimension of the value, and generating an on-duty log; the platform comprises a lookup module and a process management module. The information inquiry and recording in the on-duty work of the power supply employees are ...

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Номер записи: 8
09-05-2023 дата публикации

Relay protection sampling automatic inspection method based on regulation and control cloud and big data analysis

Номер: CN116094168A
Автор: TANG FAN, LUAN SHIYAN, WEI YINGLI, LIU ZHE, JIA YAFEI, GAO LONG, JIAO QINXUE, JIANG RUIJING, LI SHURONG, SUN MENGXUE, ZHANG ZHE, YANG JINGXIN, KOU ZHIZENG, WANG YAN, SUN HAO, ZHAO KAI, QIU LINTAO, WANG YONGHUI, DU ZIMING, GUO TONG, LI YALING, SUN TIANYU, ZHAO XUELIANG, KANG QIBAO, HAN SONGYUAN
Принадлежит:

The invention discloses a relay protection sampling automatic inspection system based on regulation and control cloud and big data analysis, and relates to the technical field of power relay protection. The system comprises an SCADA (supervisory control and data acquisition) system, an information protection system and a protection sampling inspection system, the SCADA system is connected to each protection terminal through a station control layer network, obtains a first sampling value of each protection terminal through load flow calculation, and outputs the first sampling value to the protection sampling inspection system; the information protection system is connected to each protection terminal through the station control layer network and is used for collecting a second sampling value of each protection terminal and outputting the second sampling value to the protection sampling inspection system; and the protection sampling checking system integrates the received first sampling value ...

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Номер записи: 9
09-06-2023 дата публикации

Intelligent early warning system and early warning method for secondary equipment of intelligent substation

Номер: CN116245507A
Автор: YANG JINGXIN, WEI YINGLI, LUAN SHIYAN, LIU HAIFENG, ZHANG QIAN, WU FAN, XING MENG, DU ZIMING, LIU ZHE, WANG YONGHUI, ZHAO KAI, LI SHURONG, WANG YAN, SUN HAO, MA ZHIMIN, GUO SHAOFEI, JIANG RUIJING, GAO LONG, TANG FAN, JIA YAFEI, JIAO QINXUE, SUN MENGXUE, LI HAOSEN, GUO HANCONG, DAI ZIPENG, ZHANG ZHE, GUO TONG, QIU LINTAO, ZHOU BAOYU, JIANG YU, LIAN HAORAN, YAN HAORAN
Принадлежит:

The invention relates to an intelligent early warning system and early warning method for secondary equipment of an intelligent substation. The system comprises an on-line monitoring substation, an on-line monitoring master station, an intelligent early warning master station and a mobile operation and maintenance terminal hardware equipment network. The method comprises the steps that data such as MMS, GOOSE and SV are collected in a classified mode, the data are analyzed to construct an expert database preliminary model, value deep mining and model algorithm optimization are conducted on the data, finally, the whole collected data are analyzed on a standard expert database, and trend early warning is formed and pushed to a mobile terminal of operation and maintenance personnel. The method can prevent engineers from copying messages for analysis, solves the problem that errors are easy to make due to manual comparison of a large amount of data, and can improve the efficiency.

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Номер записи: 10
29-08-2023 дата публикации

Rigidity-variable waste tire reinforced roadbed structure

Номер: CN116657449A
Автор: ZHENG YEWEI, WANG JIPENG, ZHANG JUN, JIA YAFEI, GUO YUKANG, XU CHUANBAO, ZHAO ZIYANG, XIONG WEI, YANG XUANYU
Принадлежит:

The invention discloses a variable-rigidity waste tire reinforced roadbed structure. The reinforced roadbed structure comprises geogrids, waste tires, connecting nails and roadbed filler, a layer of geogrid is laid on the leveled and tamped foundation bottom face according to standard requirements, tire walls on the two sides of the waste tires are removed, the waste tires are placed on the geogrid, connecting nails with a certain length are clamped on tire crowns of the two adjacent waste tires and inserted into the lower foundation ground by a certain depth, and then the waste tires are placed on the geogrid. The adjacent junked tires and geogrids are fixed to the bottom face of the foundation, the interior of each junked tire and the space between the junked tires are filled with roadbed filler, and the roadbed filler is compacted. The reinforced roadbed structure with the rigidity capable of changing within a certain range is formed by selecting the waste tires of different sizes and ...

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Номер записи: 11
04-08-2023 дата публикации

Novel carbon source microbial inoculant, preparation method and preparation system thereof

Номер: CN116536169A
Автор: ZHANG JIAJIA, JIA YAFEI, LI DAWEI, CHENG HUALEI, ZHU SHANSHAN, ZHAN JIE, ZHANG XINYUE, JIA ANQI, JIA ANNI
Принадлежит:

The invention relates to the technical field of carbon source production, in particular to a novel carbon source culture inoculant, a preparation method and a preparation system.The novel carbon source culture inoculant comprises a microbial inoculant A and a microbial inoculant B. The microbial inoculant A comprises aspergillus fumigatus liquid and aspergillus oryzae liquid, and the volume ratio of the aspergillus fumigatus liquid to the aspergillus oryzae liquid is 5: 5; the microbial agent B comprises a bacillus licheniformis liquid, a bacillus mucilaginosus liquid, a bacillus subtilis liquid and a Candida krusei liquid, and the volume ratio of the bacillus licheniformis liquid to the bacillus mucilaginosus liquid to the bacillus subtilis liquid to the Candida krusei liquid is 3: 3: 2: 2; by adopting the novel carbon source microbial inoculant disclosed by the invention, the improvement effect on sludge characters can be prompted, and the utilization rate of a carbon source is increased ...

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Номер записи: 12