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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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Применить Всего найдено 8. Отображено 8.
20-07-2016 дата публикации

Long -range switching device of substation equipment power

Номер: CN0205389135U
Автор: LI YOUPING, ZHANG XUEHUI, LIANG KEDAO, LIU ZHI, YOU PING, ZHOU GANG, LI CHANGZHI, GUO ZHENHONG, JIANG HAIJUN, YANG CAIWEI, QIN DAICHUN, ZHANG XIAOLIN, LIAO JUNPENG, LI XIAO, BAO XIAOXIA, LI HONGBIN, LI BIAO
Принадлежит:

... 本实用新型公开了种变电站设备电源远程投切装置，包括后台控制主机、与后台控制主机连接的后台通讯装置、分别与后台通讯装置通信连接的若干个现场通讯装置，每个现场通讯装置控制个现场控制装置的通断，所述现场控制装置连接于刀闸操作电源或PT二次输出侧。变电站设备电源远程投切装置能够快速、高效的远程投切设备电源空开，且能够保证可靠动作，能够实现既定目标。 ...

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Номер записи: 1
11-07-2023 дата публикации

Three-dimensional laser point cloud noise reduction method, device and equipment and storage medium

Номер: CN116416158A
Автор: LIU JIA, LI YONGFU, LONG YINGKAI, WANG QIAN, YANG CAIWEI, WANG YOUYUAN, SHE QIANHAO, DENG QUN, HONG XINYUAN, CHEN WEIGEN, JIANG XIPING, DU LIN, LI JIAN, ZHANG HAIBING, HUANG HAO, LI MINGXING, LI YONG, JI YONGLIANG, MIYABAYASHI, XIAO LEI
Принадлежит:

The invention discloses a three-dimensional laser point cloud noise reduction method, device and equipment and a storage medium, and the method comprises the steps: obtaining the point cloud data of a target research surface, determining a target fitting surface based on the point cloud data, and obtaining the noise of the target fitting surface according to the distance between each point in the point cloud data and the target fitting surface and a preset boundary condition. And obtaining nearby point information corresponding to each point, and removing noisy points in the point cloud data based on the nearby point information. According to the method, the improved least square method algorithm is optimized, the threshold value is automatically set through Poisson distribution and changes along with adjustment of boundary conditions, compared with a previous improved least square method algorithm, energy and time consumed by manual adjustment are reduced, and higher universality is achieved ...

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Номер записи: 2
14-07-2023 дата публикации

Node positioning method and device, wireless sensor network and storage medium

Номер: CN116437438A
Автор: SHE QIANHAO, LI YONGFU, LIU JIA, LONG YINGKAI, WANG QIAN, YANG CAIWEI, DU MINGMING, WANG YOUYUAN, DENG QUN, HONG XINYUAN, CHEN WEIGEN, LI MINGXING, DU LIN, QIN WEI, LI JIAN, ZHANG HAIBING, HUANG HAO, JI YONGLIANG, MIYABAYASHI, LI YONG, PENG JUNJIAN
Принадлежит:

The invention discloses a node positioning method and device, a wireless sensor network and a storage medium, and the method comprises the steps: an anchor node broadcasts beacon data to the wireless sensor network, when a beacon node receives the beacon data, the beacon node updates a hop value and continues to broadcast the beacon data, when an unknown node receives the beacon data, the unknown node corrects the hop value, and when the unknown node receives the beacon data, the wireless sensor network continues to broadcast the beacon data. And determining a first average hop distance value corresponding to each anchor node and a second average hop distance value corresponding to the unknown node based on hop distance values in the plurality of beacon nodes and the unknown node, and finally obtaining coordinates of the position node by using a maximum likelihood estimation method. According to the method, the hop value is corrected by introducing the average deviation coefficient, the ...

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Номер записи: 3
30-05-2023 дата публикации

Device for removing water content in oil paper insulation of transformer and control method thereof

Номер: CN116173557A
Автор: CHEN ZHENGYU, WANG QIAN, LIU XIONG, LIU JIA, QIN WEI, LI YONG, LI YONGFU, YANG YANG, YIN HUA, YANG CAIWEI, BAO MINGHUI, XIONG HAO
Принадлежит:

The invention provides a transformer oil paper insulation water content removal device and a control method thereof, and mainly relates to the technical field of transformers, the transformer oil paper insulation water content removal device comprises an insulation oil tank, the insulation oil tank is connected with a water removal box, the water removal box is connected with a condensation box, a condensation pipe is arranged in the condensation box, and the condensation box is connected with a collection box. By arranging the condensation pipe, after being heated and evaporated, water vapor enters the condensation pipe to be condensed, the condensed water vapor forms water drops and then enters the collection box to be collected, and therefore the explosion danger caused by the fact that the internal air pressure is increased due to water vapor evaporation of the water removal box is avoided.

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Номер записи: 4
01-08-2023 дата публикации

Power line safety distance dynamic monitoring method and device

Номер: CN116520287A
Автор: LEE YOUNG BOK, LONG YINGKAI, LIU JIA, WANG QIAN, YANG CAIWEI, DU MINGMING, WANG YOUYUAN, SHE QIANHAO, LI SIQUAN, DENG QUN, LUO XIAOXIAO, LI YONG, HONG XINYUAN, CHEN WEIGEN, DU LIN, LI JIAN, ZHANG HAIBING, HUANG HAO, JI YONGLIANG, MIYABAYASHI, YE YINAN
Принадлежит:

The invention discloses a power line safety distance dynamic monitoring method and device. The method comprises the following steps: obtaining power line features and coordinates in a power line laser point cloud image; obtaining the three-dimensional coordinates of an operator; alarm information is automatically sent based on the characteristics and coordinates of the power line and the position information of the operator. According to the invention, a non-contact long-distance high-precision laser radar measurement method is adopted, a grid feature extraction technology and a three-dimensional infrared imaging technology are utilized to effectively obtain the real-time distance between an operator and a power transmission line, and a set of real-time acquisition, processing and visualization software platform is developed. The platform judges and analyzes whether the personnel position is in the corresponding working safety area according to the acquired personnel position information ...

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Номер записи: 5
04-07-2023 дата публикации

Multi-solid-state laser radar calibration method, device and equipment and storage medium

Номер: CN116381654A
Автор: LONG YINGKAI, LI YONGFU, SHE QIANHAO, LIU JIA, YANG CAIWEI, WANG QIAN, WANG YOUYUAN, DENG QUN, LUO XIAOXIAO, LI YONG, HONG XINYUAN, CHEN WEIGEN, LI SIQUAN, DU LIN, LI JIAN, ZHANG HAIBING, QIN WEI, HUANG HAO, JI YONGLIANG, MIYABAYASHI, ZHANG SHIHAI
Принадлежит:

The invention discloses a multi-solid-state laser radar calibration method, device and equipment and a storage medium, and the method comprises the steps: obtaining a source point cloud and a target point cloud, carrying out the feature extraction and description of the source point cloud and the target point cloud, obtaining a first feature description subset corresponding to the source point cloud and a second feature description subset corresponding to the target point cloud, and performing feature matching on the first feature descriptor set and the second feature descriptor set to obtain a matching point set, obtaining a pose change result according to the matching point set, and executing calibration based on the pose change result. According to the method, the SIFT algorithm is improved, a square region in the field of feature points is converted into an octagonal region, and four triangular regions at four vertexes of the original square region are removed, so that the feature descriptor ...

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Номер записи: 6
07-04-2023 дата публикации

Gas density relay verification method based on monitoring device

Номер: CN115932566A
Автор: LIU XIONG, LI YONG, WANG QIAN, LIU JIA, YANG YANG, YANG CAIWEI, YIN HUA, WU ZHAOGUO, PENG HUADONG, LI YONGFU, ZHENG JIHONG, JIANG HAO, XIONG HAO, FANG QIN, LEI BANGWEN, YU HUI, SONG WEI, MIYABAYASHI, TIAN PENG, SUN BAOJUN, ZHAI SHUHUI
Принадлежит:

The invention discloses a gas density relay verification method based on a monitoring device, the monitoring device comprises a signal acquisition intelligent control unit and a pressure adjusting mechanism, and the pressure adjusting mechanism comprises a shell, supercharging equipment and a plugging mechanism; the shell forms a sealed cavity, and the supercharging equipment and the plugging mechanism are located in the sealed cavity; the calibration method for the gas density relay comprises the following steps: performing down stroke calibration and up stroke calibration on the gas density relay under the conditions that a connecting pipeline between a sealed cavity and electrical equipment is closed and the sealed cavity is conducted with the gas density relay; by means of the method, in-situ verification of the gas density relay is achieved, it is guaranteed that gas in the gas density relay does not leak, and safe operation of a power grid is guaranteed.

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Номер записи: 7
14-07-2023 дата публикации

Water removal device and application thereof

Номер: CN116435061A
Автор: WANG QIAN, LIU XIONG, QIN WEI, CHEN ZHENGYU, SONG ZHAOOU, JIANG QINZHI, LI YONG, XIONG HAO, YANG CAIWEI, JI YONGLIANG, XU JING, YANG YANG
Принадлежит:

The invention relates to the technical field of transformers, and provides a water removal device for a transformer oil paper insulation system, a water removal material in the water removal device is a 4A molecular sieve adsorbent with excellent performance, high adsorption capacity, adsorption selectivity and stable regeneration, and has strong affinity to water; the water removal device comprises a control unit, and an oil inlet valve, an oil filter, a water removal filter group, a flow meter, an oil pump and an oil outlet valve which are communicated in sequence; the flow meter and the oil pump are electrically connected with the control unit respectively; and the water removal material is arranged in the water removal filter group. According to the online drying and dewatering device for the transformer, the drying level of the insulating material of the transformer can be kept in real time, and the safe and reliable online drying and dewatering device for the transformer is provided ...

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Номер записи: 8