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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 4. Отображено 4.
01-09-2010 дата публикации

Frequency conversion system of rotor of alternating current mine hoist

Номер: CN0101817473A
Автор: ZIZHENG GAO, XIAOPING ZHENG, GAO ZIZHENG, ZHENG XIAOPING
Принадлежит:

The invention mainly provides a frequency conversion system of a rotor of an alternating current mine hoist. An electromotor rotor winding, a rotor frequency modulation and voltage modulation device (1) and a switch cabinet (2) form a rotor frequency conversion and speed regulation part; a process control part consisting of a master control PLC (Programmable Logic Controller) and an auxiliary control PLC realizes a bi-wiring type of the system control of the mine hoist; an operation platform and a host computer realize the bi-wiring type of the system monitoring of the mine hoist together; two speed measurement elements installed at the end of the spindle of the hoist and a limit switch installed in a shaft form a depth and speed detecting part to realize the three-wire type of hoisting position control, data exchange is performed among the master control PLC (3), the auxiliary control PLC (4), a human-computer interface (5) and the rotor frequency modulation and voltage modulation device ...

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Номер записи: 1
01-04-2015 дата публикации

Movable high-voltage variable-frequency electric control equipment for sinking hoist

Номер: CN104477715A
Автор: ZHENG XIAOPING, CHEN MEISHAN, CHU FAN, QU SHENGJIE, GAO ZIZHENG
Принадлежит:

The invention belongs to a sinking hoist control technique and provides movable high-voltage variable-frequency electric control equipment for a sinking hoist. The movable high-voltage variable-frequency electric control equipment comprises an electric control room and a control room both are closed hollow cubic members; the bottom of each of the electric control room and the control room is provided with a lug (13) allowing convenient hoisting and a cable passage (8) allowing passage of a power cable and a control cable; the electric control room allows the control cable to be connected with the power cable through the cable passage (8); a control cable exit in the electric control room is connected with a control cable in the control room through a quick connector, and independent hoisting and quick connection are achieved for the electric control room and the control room. The movable high-voltage variable-frequency electric control equipment is suitable for severe sinking sites and ...

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Номер записи: 2
16-09-2015 дата публикации

Sinking winder's portable high -voltage frequency converters control panel

Номер: CN0204643400U
Автор: ZHENG XIAOPING, CHEN MEISHAN, CHU FAN, QU SHENGJIE, GAO ZIZHENG
Принадлежит:

The utility model provides a belong to the sinking winder control technique, provide a sinking winder's portable high -voltage frequency converters control panel. A sinking winder's portable high -voltage frequency converters control panel who provides comprises automatically controlled room and control room, automatically controlled room, control room are the closed hollow rectangular body, the bottom in automatically controlled room, control room all has lug (13) of conveniently lifting by crane and uses and import and export (8) for the cable of power cable and control cable business turn over, automatically controlled room pass through the cable and import and export (8) and make control cable and power cable link to each other, automatically controlled indoor control cable's export links to each other with control cable in the control room through quick connector, has realized that automatically controlled room and control room are hoisted alone to transport and the high -speed joint ...

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Номер записи: 3
26-10-2011 дата публикации

Frequency conversion system of rotor of alternating current mine hoist

Номер: CN0101817473B
Автор: ZIZHENG GAO, XIAOPING ZHENG, GAO ZIZHENG, ZHENG XIAOPING
Принадлежит:

The invention mainly provides a frequency conversion system of a rotor of an alternating current mine hoist. An electromotor rotor winding, a rotor frequency modulation and voltage modulation device (1) and a switch cabinet (2) form a rotor frequency conversion and speed regulation part; a process control part consisting of a master control PLC (Programmable Logic Controller) and an auxiliary control PLC realizes a bi-wiring type of the system control of the mine hoist; an operation platform and a host computer realize the bi-wiring type of the system monitoring of the mine hoist together; a first speed measurement element (7) and a second speed measurement element (8) installed at the end of the spindle of the hoist and a first limit switch (9) or a second limit switch (10) installed in a shaft form a depth and speed detecting part to realize the three-wire type of hoisting position control, data exchange is performed among the master control PLC (3), the auxiliary control PLC (4), a human-computer ...

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Номер записи: 4