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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 3. Отображено 3.
26-02-2014 дата публикации

Intelligent capacitance regulator

Номер: CN103605394A
Автор: LU JUZHI, WU YONGKANG, KONG ZHIFENG, LI JIAN, LU JIEPIN, LIU QIANG
Принадлежит:

The invention discloses an intelligent capacitance regulator which comprises a regulating capacitor bank, a control switch, a microprocessor module, a control circuit, a signal acquisition circuit, an ROM (read only memory), a display screen and a current detection circuit. The microprocessor module is respectively connected with the regulating capacitor bank, the current detection circuit and the control circuit, the microprocessor module is connected with the regulating capacitor bank through the control switch, the microprocessor module is connected with the current detection circuit through the signal acquisition circuit, an input end of the signal acquisition circuit is connected with an output end of the current detection circuit, and an output end of the signal acquisition circuit is connected with the microprocessor module. Real-time data of unbalanced current of a bridge transformer is detected by the current detection circuit, the output capacitance of regulating capacitors controlled ...

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Номер записи: 1
11-08-2023 дата публикации

Roadbed pavement flatness measuring device and use method thereof

Номер: CN116575295A
Автор: GUO CHUANG, CUI BINGBING, DENG JUNJUN, ZHOU YUBO, JIA BO, LI MENGFEI, FENG XIANGYU, YANG XIAOLI, KONG ZHIFENG, LI JUNLIANG
Принадлежит:

The invention relates to the technical field of road surface detection, in particular to a roadbed and road surface flatness measuring device and a using method thereof.The roadbed and road surface flatness measuring device comprises an annular supporting block, a plurality of connecting shafts are annularly and fixedly inserted into the annular supporting block at equal angles, and the two ends of each connecting shaft are fixedly sleeved with connecting bases; a straightness measuring plate is fixed between the bottom surfaces of the two connecting seats, gap measuring units are arranged on the two sides of the straightness measuring plate, each gap measuring unit comprises a cross beam in sliding connection with the corresponding connecting seat, and a plurality of spring telescopic rods are fixedly connected to the inner side of each cross beam at equal intervals. According to the invention, by fixing the position of the straightness measuring plate and rotating the annular supporting ...

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Номер записи: 2
26-02-2014 дата публикации

Method for adjusting H-type bridge differential protection initial unbalance degree of capacitor bank

Номер: CN103605392A
Автор: LU JUZHI, WU YONGKANG, KONG ZHIFENG, LI JIAN, LU JIEPIN, LIU QIANG, XIONG HUANGHAI, GUO XINGYUE
Принадлежит:

A method for adjusting H-type bridge differential protection initial unbalance degree of a capacitor bank comprises the following steps of S1, selecting a group of symmetric bridge arms, wherein two ends of one of the bridge arms are connected with an intelligent capacitance regulator; S2, setting a bridge differential unbalance current threshold value for the intelligent capacitance regulator; S3, starting the intelligent capacitance regulator and regulating output capacitance of the intelligent capacitance regulator till bridge differential unbalance currents of the symmetric bridge arms are smaller than the set bridge differential unbalance current threshold value; S4, confirming actual regulated capacitance according to final output capacitance of the intelligent capacitance regulator, selecting a capacitor required to be replaced in the symmetric bridge arms and replacing the capacitor, wherein the step S4 includes the steps of S41, judging whether the output capacitance of the intelligent ...

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Номер записи: 3