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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 13. Отображено 13.
13-08-2021 дата публикации

Micro-grid power sharing control method for adaptive voltage compensation

Номер: CN113258602A
Автор: YU HUIJUN, LIU JINGYU, 于惠钧, 刘靖宇
Принадлежит:

The invention provides a micro-grid power sharing control method for adaptive voltage compensation. The method comprises the following steps of S1, analyzing a conventional droop control method, and obtaining the output active power and reactive power of each DG unit in a micro-grid, S2, obtaining a traditional droop control equation according to the active power and the reactive power output by each DG unit in the S1, meanwhile, analyzing power distribution of each DG unit to obtain conditions which need to be met by the traditional droop control for realizing active and reactive equalization, S3, introducing virtual impedance into a traditional droop control method, so that line impedance in the micro-grid is inductive, and output power in the micro-grid is completely decoupled, S4, under the condition of S3, adaptively adjusting and outputting a reactive power matching output value through the power compensation coefficient, and then obtaining an improved reactive power droop control ...

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Номер записи: 1
19-05-2023 дата публикации

Water-cooled cabin penetrating piece

Номер: CN116136277A
Автор: YAN ZHIQING, WANG ZHENGJUN, LIU JINGYU
Принадлежит:

The invention discloses a water-cooled cabin penetrating piece which comprises a medium pipeline and a cabin wall, a cooling piece is arranged on the outer wall of the medium pipeline, the cabin wall is fixedly connected with the cooling piece, the cooling piece is annularly arranged on the outer wall of the medium pipeline, the cabin wall is fixedly connected with the outer wall of the medium pipeline, and the cooling piece comprises a cooling pipe sleeve. An annular cooling cavity is formed between the inner side of the cooling pipe sleeve and the outer side of the medium pipeline, annular sealing plates are arranged on the front side and the rear side of the annular cooling cavity respectively, the outer side wall faces of the annular sealing plates are connected with the inner wall of the cooling pipe sleeve in an attached mode, and the inner side wall faces of the annular sealing plates are connected with the outer side wall face of the medium pipeline in an attached mode. And the ...

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Номер записи: 2
11-07-2023 дата публикации

Start position adjustable zero setting clamp for small hollow shaft angular displacement potentiometer

Номер: CN116417208A
Автор: WU YONGSHENG, BAO HONGJUN, HU YOUPU, GUO GANG, TANG FEI, DU CHANGCHUN, YU SIHUI, LIU JINGYU
Принадлежит:

The invention discloses a starting position adjustable zero setting clamp for a small hollow shaft angular displacement potentiometer, and belongs to the technical field of angular displacement potentiometer production, the starting position adjustable zero setting clamp comprises a base, a positioning cover, a turntable and a reset pressure spring, the lower end of the positioning cover is connected with the upper part of the base, and the upper surface of the positioning cover is provided with a mounting groove and a positioning groove; an adjusting rotating shaft is arranged on the rotating disc, the rotating disc is arranged in the positioning cover, the adjusting rotating shaft penetrates through the positioning cover through hole, the reset compressed spring is installed below the rotating disc, the positioning cover is provided with a plurality of positioning cover protruding columns, a positioning cover clamping groove is formed between every two adjacent positioning cover protruding ...

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Номер записи: 3
23-06-2023 дата публикации

Cleanable ram-type seawater filter screen

Номер: CN116272058A
Автор: YAN ZHIQING, WANG ZHENGJUN, LIU JINGYU
Принадлежит:

The invention discloses a cleanable ram-type seawater filter screen which comprises a filter cartridge, an annular filter part is arranged in the filter cartridge, the outer wall of the lower portion of the annular filter part is connected with the inner wall of the filter cartridge, and an annular storage cavity used for storing impurities is formed between the outer wall of the annular filter part and the inner wall of the filter cartridge. And an annular opening is formed between the outer wall of the upper part of the annular filter piece and the inner wall of the filter cylinder. Compared with the prior art, the sea butterfly valve has the advantages that sundries or marine organisms can be stored, the filter screen can be detached for cleaning, and the sea butterfly valve is prevented from being blocked.

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Номер записи: 4
18-04-2023 дата публикации

Wind power blade web molded line calculation method

Номер: CN115983003A
Автор: LIU HAILING, XIE LIGUO, HE QI, LIU JINGYU
Принадлежит:

The invention provides a wind power blade web molded line calculation method, which comprises the following steps: S1, obtaining molded line data of a corresponding web bonding position on a first shell or a second shell, the molded line data being coordinates of each point on a curve; s2, calculating thickness data of the first shell or the second shell and the pultrusion plate at the web bonding position; s3, a worker formulates thickness data of an adhesive for bonding the web and the first shell or the second shell according to requirements; s4, the size of a gap between a pultrusion plate below the web and the first shell or the second shell is calculated, and therefore the thickness correction value of the main beam cap is obtained; and S5, obtaining molded line data of the web. According to the wind power blade web molded line calculation method, the web molded line deviation is corrected after implementation of the method, the correction value of the main beam cap is accurate, the ...

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Номер записи: 5
26-05-2023 дата публикации

Liquid cabin communicating and ventilating structure

Номер: CN116161180A
Автор: YAN ZHIQING, LIANG YAOMING, LIU JINGYU
Принадлежит:

The invention discloses a liquid cabin communicating and ventilating structure which comprises ventilating pipes arranged on two liquid cabins respectively, ventilating shells are connected to the ventilating pipes, the ventilating shells are communicated with the ventilating pipes, communicating pipes are connected to the two ventilating shells, and the communicating pipes are communicated with the ventilating pipes. A floating ball which floats to the connecting position of the communicating pipe and the breathable shell under the action of liquid buoyancy to achieve sealing is arranged in the breathable shell, and a sealing ring which is attached to the floating ball in a sealed mode is arranged on the upper portion of the breathable shell. According to the invention, the floating balls are respectively arranged in the vent pipes, and when liquid flows upwards, the liquid can drive the floating balls to float upwards so as to seal the joints of the vent pipes and the communicating pipes ...

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Номер записи: 6
16-05-2023 дата публикации

High-precision measuring equipment for measuring radial clearance of rotating shaft of angular displacement potentiometer

Номер: CN116123974A
Автор: WU YONGSHENG, HU YOUPU, BAO HONGJUN, TANG FEI, DU CHANGCHUN, YU SIHUI, LIU JINGYU
Принадлежит:

The invention discloses high-precision measuring equipment for measuring the radial clearance of a rotating shaft of an angular displacement potentiometer, which belongs to the technical field of production of angular displacement potentiometers and comprises a base, a dial indicator, a potentiometer positioning mechanism, a pressurizing weight, a dial indicator coarse positioning mechanism and a dial indicator fine positioning mechanism. The dial indicator fine positioning mechanism comprises a first Z-shaped plate, a second Z-shaped plate, a fine adjustment handle and a fine adjustment screw rod, a positioning convex column at the upper end of the fine adjustment screw rod penetrates through a positioning through hole of the first Z-shaped plate, a positioning convex column at the lower end of the fine adjustment screw rod is arranged in a positioning blind hole of the transverse moving rod, and one end of the fine adjustment handle is connected with the positioning convex column at the ...

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Номер записи: 7
04-04-2023 дата публикации

Manufacturing method of high-precision angular displacement sensor

Номер: CN115891195A
Автор: WU YONGSHENG, HU YOUPU, BAO HONGJUN, TANG FEI, DU CHANGCHUN, YU SIHUI, LIU JINGYU
Принадлежит:

The invention discloses a manufacturing method of a high-precision angular displacement sensor. The manufacturing method comprises the following steps that all parts are assembled together; carrying out linear trimming or skipping the step; zero adjustment: firstly installing the shell and the rotating shaft by using an adjusting tool, installing related parts of the angular displacement sensor, then applying m-volt voltage to the input end of the power supply, measuring and collecting the voltage, rotating the insulating sleeve until the collected voltage is within the range of m/2 +/-m/n volts, completing zero adjustment and pressing the insulating sleeve; placing the whole angular displacement sensor assembly which completes zero adjustment and is not provided with the cover plate in a drying oven, and drying and curing the glue solution among the components; the adjusting tool is disassembled; and a cover plate is installed, and manufacturing of the high-precision angular displacement ...

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Номер записи: 8
01-08-2023 дата публикации

Vehicle communication method and device, vehicle communication unit and system and storage medium

Номер: CN116527602A
Автор: HUANG GUANMING, SHANG XIN, LIU JINGYU
Принадлежит:

The invention provides a vehicle communication method and device, a vehicle communication unit, a system and a storage medium. The vehicle communication method can comprise the following steps: acquiring at least two pieces of data to be transmitted; the data to be transmitted are sent by a vehicle electronic control unit ECU and/or a base station; analyzing the transmission priorities of the same category corresponding to the different categories of the at least two to-be-transmitted data according to the transmission priority sequence of the different categories; comparing the transmission priorities of the same category corresponding to different categories of the at least two to-be-transmitted data to obtain data with relatively higher priorities; bandwidths are allocated for the relatively higher priority data to preferentially transmit the relatively higher priority data according to different classes of transmission priority orders.

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Номер записи: 9
06-07-2016 дата публикации

Surface modification device suitable for road asphalt solid addition material

Номер: CN0205368212U
Автор: LIU CHAOHUI, LIU LI, XIANG YU, LI SHENG, CAO QIAN, LIU JINGYU, YAN YANWU, HUANG YU, XU QINGXIANG
Принадлежит:

... 本实用新型公开了一种适用于道路沥青固体添加材料的表面改性装置，包括控制台、液体存储箱、搅拌桶、伸缩旋转轴以及顶盖，所述的控制台位于液体存储箱的上方并与液体存储箱连接，所述的控制台、液体存储箱均与搅拌桶管道连接，所述的伸缩旋转轴与顶盖均与搅拌桶连接。本实用新型通过控制台对液体存储箱、搅拌桶、伸缩旋转轴以及顶盖等装置进行控制，从而实现表面改性溶液的配制、注入、表面改性溶液与道路沥青固体添加材料的旋转搅拌、废液排出、道路沥青固体材料的加热、烘干、通风与机器清洗的自动控制，从而实现道路沥青固体添加材料表面改性的自动化。 ...

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Номер записи: 10
30-06-2023 дата публикации

Adjustable rudder connecting rod connecting structure

Номер: CN116353805A
Автор: YAN ZHIQING, WANG ZHENGJUN, LIU JINGYU
Принадлежит:

The adjustable rudder connecting rod connecting structure comprises a rudder connecting rod, a first knuckle bearing and a second knuckle bearing, the left end and the right end of the rudder connecting rod are fixedly connected with a first fixing nut and a second fixing nut respectively, and a stud of the first knuckle bearing is in threaded connection with the first fixing nut; a stud of the second knuckle bearing is in threaded connection with a second fixing nut, a stud of the first knuckle bearing is in threaded connection with a first adjusting nut attached to the first fixing nut, and a stud of the second knuckle bearing is in threaded connection with a second adjusting nut attached to the second fixing nut. The stud of the first knuckle bearing, the first fixing nut and the first adjusting nut are arranged in a right-hand thread mode, and the stud of the second knuckle bearing, the second fixing nut and the second adjusting nut are arranged in a left-hand thread mode. Through the ...

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Номер записи: 11
09-06-2023 дата публикации

Seawater tank ventilation structure

Номер: CN116238638A
Автор: YAN ZHIQING, LIANG YAOMING, LIU JINGYU
Принадлежит:

The invention discloses a seawater tank ventilation structure which comprises a seawater tank arranged in a cabin, the seawater tank is communicated with a first ventilation pipe extending upwards, the upper end of the first ventilation pipe is connected with a ventilation shell, the ventilation shell is connected with a second ventilation pipe extending upwards, and the upper end of the second ventilation pipe is provided with a sealing plate. A vent hole is formed in the side wall of the upper portion of the second vent pipe, a floating ball used for floating upwards to the lower portion of the second vent pipe under the action of liquid to achieve closing is arranged in the vent shell, and a sealing ring is arranged on the lower portion of the second vent pipe. Compared with the prior art, the method has the advantages that raw materials are saved, the pipe distribution difficulty is reduced, and operation is convenient.

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Номер записи: 12
10-11-2004 дата публикации

环状吡啶双亚胺铁烯烃聚合催化剂及其制备方法

Номер: CN0001544487A
Автор: LIU JINGYU, LI YUESHENG, LI YANGUO, JINGYU,LI LIU, 刘靖宇
Принадлежит:

The invention discloses a ring form pyridine diimine Fe (II) olefin polymerization catalyst precursor having the structure disclosed in the specification, wherein X is Cl or Br, R is methyl or isopropyl, by activation of alkyl aluminoxane, the catalyst precursor according to the invention can be used in the catalyzing of ethane polymerization for preparing polyethylene with high molecular weight.

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Номер записи: 13