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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 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.
05-09-2012 дата публикации

Power module DBC (Direct Bonding Copper) board with heat radiation structure

Номер: CN102655710A
Автор: Guo Qing, Gu Tong, Wang Tao, Sheng Kuang, Zhai Chao, Cheng Shidong
Принадлежит:

The invention aims to provide a power module DBC (Direct Bonding Copper) board with a heat radiation structure. The power module DBC board is provided with a DBC upper copper layer, a DBC ceramic layer and a DBC lower copper layer, which are arranged from top to bottom in sequence. The power module DBC board is characterized in that: on the basis of the former DBC ceramic layer, a DBC board heat radiation structure is additionally arranged in a ceramic area around the DBC upper copper layer according to the distribution of the DBC upper copper layer; the additionally-arranged DBC board heat radiation structure is made of copper, and is internally provided with a hollow structure; cooling liquid is filled in the hollow structure and is connected with an external pump through a pipeline; and the DBC ceramic layer and the additionally-arranged DBC board heat radiation structure are used together as a whole body.

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Номер записи: 1
31-07-2013 дата публикации

System and method for analyzing working condition of water injection well in oil field

Номер: CN103225499A
Автор: Yu Shichun, Yang Canghai, Li Yongchang, Mu Qianyi, Zhao Xiaolong, Li Mingjiang, Li Zhen, Qiu Liang, Cheng Shidong, Zhang Bin, Qiu Qi
Принадлежит:

The invention discloses a system and a method for analyzing the working condition of a water injection well in an oil field, and belongs to the field of water injection well technology management in oil-gas field development. The system comprises a data collection module used for collecting a pressure flow value and a water quality parameter value of the water injection well, a ground working condition analysis module used for comparing the pressure flow value of the water injection well with the set pressure flow threshold value and judging the ground working condition of the water injection well according to a comparison result, a shaft stratum working condition analysis module used for creating a mapping relation between the relative injection amount and the relative injection pressure of the water injection well according to the pressure flow value and the water quality parameter value of the water injection well and judging the real-time working condition of the water injection well ...

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Номер записи: 2
11-07-2012 дата публикации

Remote control system of long-distance pipeline block valve chamber

Номер: CN102563169A
Автор: Cao Hongmei, Xu Yonggao, Mu Lijun, Fu Gangdan, Xu Yong, Yang Canghai, Li Pei, Zhao Hongtao, Mu Qianyi, Cheng Shidong, Xu Meizan, Li Li, Li Yongqing
Принадлежит:

The invention discloses a remote control system of a long-distance pipeline block valve chamber, and the remote control system comprises a driving system, a remote control and transmission system, an upper operation center and a solar energy power supply system, wherein the driving system comprises an execution mechanism connected with a valve rod of a block valve, a 24V direct current electric head used for driving the execution mechanism to open or close the block valve, and a control cabinet; the remote control and transmission system comprises a remote measurement and control terminal which is used for remotely controlling the control cabinet and realizing the real-time transmission of long-distance pipeline pressure data and temperature data; the upper operation center is mutually communicated with the remote measurement and control terminal and realizes the remote control over the block valve through transmitting control instructions to the remote measurement and control terminal; ...

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Номер записи: 3
12-09-2012 дата публикации

Power module packaging structure

Номер: CN102664172A
Автор: Cheng Shidong, Guo Qing, Gu Tong, Zhai Chao, Wang Tao, Sheng Kuang
Принадлежит:

The invention provides a novel power module packaging structure, aiming at the limit to the existing power module heat dissipation. Compared with the traditional method, the heat dissipating area of a module is increased and the heat dissipating performance of the module is improved. The power module packaging structure is characterized in that the power module packaging structure comprises a lower heat conducting tube shell and an upper plastic tube shell, and silica gel is filled between the heat conducting tube shell and the plastic tube shell.

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Номер записи: 4
28-11-2012 дата публикации

Tunnel roof two-dimensional seismic exploration method and system

Номер: CN102798884A
Автор: Jiang Fawen, Xu Chong, Zhang Pingsong, Huang Hui, Wu Rongxin, Wu Heng, Guo Liquan, Han Biwu, Zhou Yanan, Liu Liang, Cheng Shidong
Принадлежит:

The invention discloses a tunnel roof two-dimensional seismic exploration method and a tunnel roof two-dimensional seismic exploration system. The method comprises the following steps of: seismic data acquisition: arranging multi-coverage observation systems on a tunnel roof and the sides, and acquiring seismic data of the multi-coverage observation systems; sending a seismic wave signal from a seismic focus, and receiving the seismic wave signal by the multi-coverage observation systems; seismic data processing: receiving the seismic wave signal by the multi-coverage observation systems, performing tunnel correction processing, data pre-processing, migration stack processing and time frequency analysis processing, and thus obtaining an effective tunnel roof rock coal seam seismic profile and a frequency spectrum profile; acquiring an effective two-dimensional seismic profile of the tunnel roof in a range of 15 m to 50 m; and geologic structure analysis and explanation: analyzing and explaining ...

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Номер записи: 5
05-09-2012 дата публикации

Power module substrate with heat radiation structure

Номер: CN102655732A
Автор: Guo Qing, Zhai Chao, Wang Tao, Sheng Kuang, Gu Tong, Cheng Shidong
Принадлежит:

The invention aims to provide a power module substrate with a heat radiation structure. The power module substrate is characterized in that: on the basis of the former substrate, a substrate heat radiation structure is additionally arranged in a substrate area around a DBC (Direct Bonding Copper) board according to the distribution of the DBC board; the additionally-arranged substrate heat radiation structure is made of copper; the internal substrate heat radiation structure is in a hollow structure and is filled with cooling liquid; the cooling liquid is connected with an external pump through a pipeline; and the former substrate and the additionally-arranged substrate heat radiation structure are integrated as a whole body.

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Номер записи: 6
17-04-2013 дата публикации

Busbar type power module support

Номер: CN103050448A
Автор: Cheng Shidong, Sheng Kuang, Wang Tao, Guo Qing, Xie Gang
Принадлежит:

The invention provides a novel busbar power module support. The novel busbar power module support comprises a first support arm and a second support arm, wherein the first support arm comprises a first metal plate and a first supporting leg, the second support arm comprises a second metal plate and a second supporting leg, the position of the first supporting leg corresponding to the first support arm and the position of the second supporting leg corresponding to the second support arm are mutually staggered, the first metal plate is provided with a hole which is arranged in the second support arm and is used for a power module to stretch out, the second metal plate is provided with a hole which is used for the first supporting leg to stretch out, insulation materials are filled between the first metal plate and the second metal plate, the first supporting leg and the second supporting leg are both plate-shaped supporting legs, and the tail ends of the first supporting leg and the second ...

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Номер записи: 7
22-07-2015 дата публикации

Simple cluster type well group pressurization system and pressurization method thereof

Номер: CN104791212A
Автор: Wei Xiaolin, Mu Lijun, Fu Gangdan, Yang Canghai, Cao Hongmei, Qiu Qi, Zhao Xiaolong, Cheng Shidong
Принадлежит:

The invention belongs to the technical field of oil gas exploitation and transportation on an oil field and particularly relates to a simple cluster type well group pressurization system and a pressurization method thereof. A hydraulic water cylinder and a hydraulic oil cylinder are connected into a whole through piston rods, a piston of the hydraulic water cylinder is driven to make reciprocating motion by way of reversing water injection, thereby a piston of the hydraulic oil cylinder is driven to make reciprocating motion, and by means of the piston of the hydraulic oil cylinder which makes the reciprocating motion, the suction, pressurization and output of oil fluid are achieved. According to the system and method, high pressure water is adopted for boosting the pressure of the oil fluid, the circumstance that electric power energy is prone to causing burning is avoided, the defects that in the existing oil-gas mixing transportation and pressurization process, a motor is adopted for ...

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Номер записи: 8