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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 4. Отображено 4.
21-04-2023 дата публикации

Wind power blade root connecting structure and design method thereof

Номер: CN115992792A
Автор: ZHANG WENWEI, FENG XUEBIN, DENG HANG, LEI ZHIMIN, LIU PENGHUI, ZHAO JIANGANG, WU FANGHE, SHUAI ZHIHONG, SHAO BING
Принадлежит:

A wind power blade root connecting structure comprises a blade root part of a wind power blade and a variable pitch bearing connecting the blade root part with a hub, an outer ring of the variable pitch bearing is fixed with the hub, an inner ring of the variable pitch bearing is connected with the blade root part through a connecting bolt, and the wind power blade root connecting structure is characterized by further comprising a flange connecting piece clamped between the inner ring of the variable pitch bearing and the blade root part. The flange connecting piece is fixedly connected with the inner ring of the variable pitch bearing through an anti-separation bolt, and the connecting bolt penetrates through the inner ring of the variable pitch bearing and the flange connecting piece and is fastened in the blade root part. According to the invention, the axial and flexural rigidity of the variable pitch bearing is increased, and the fatigue life of the variable pitch bearing is prolonged ...

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Номер записи: 1
13-08-2021 дата публикации

Intelligent rack type heat dissipation device of transformer substation relay protection device

Номер: CN113258481A
Автор: WANG KAIMING, ZHANG CHUANG, ZHU TING, GOU JUANXIA, WANG YANBIAO, WANG CHENG, CHEN HUATAI, ZHANG LEZHEN, ZHAO FUSHAN, BAI FENG, LEI ZHIMIN, GAO BAOLONG, LI BIN, WU YONGLIANG, WANG JIA, WANG ZONGBAO, 王开铭, 张闯, 朱婷, 苟娟霞, 王彦彪, 王程, 陈华泰, 张乐桢, 赵福山, 白峰, 雷志敏, 高宝龙, 李彬, 吴永亮, 王迦, 王宗宝
Принадлежит:

The invention relates to an intelligent rack type heat dissipation device of a transformer substation relay protection device. The intelligent rack type heat dissipation device comprises a temperature sensing module, a heat dissipation module, a control module, a display unit module, a power module and a shell, wherein the temperature sensing module is connected with the control module; the temperature sensing module comprises a temperature sensor and a signal transmission line; the control module is electrically connected with the display unit module and the heat dissipation module; the heat dissipation module comprises a heat dissipation fan; the control module comprises a single-chip microcomputer and a single-chip microcomputer development board; the display unit module comprises a display and a signal connecting line; a power module comprises a power switch and a transformer element; the temperature sensing module and the display unit module are connected to the single-chip microcomputer ...

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Номер записи: 2
28-07-2023 дата публикации

Manufacturing method of pultrusion plate girder of wind power blade and pultrusion plate girder structure

Номер: CN116494570A
Автор: LI YUAN, DENG HANG, FENG XUEBIN, LIU PENGHUI, ZHANG WENWEI, ZHAO JIANGANG, LEI ZHIMIN, WU FANGHE
Принадлежит:

The invention provides a manufacturing method of a wind power blade pultrusion plate girder and a pultrusion plate girder structure. A pultrusion plate bending die is prepared according to wing type bending radians of a PS surface and an SS surface of a blade, a pultrusion plate is prepared through a pultrusion forming process, and the pultrusion plate with the required length is cut in the unfolding direction according to a blade design value. And carrying out inclined surface cutting treatment on the connection part of the girder and the sandwich material in the chord direction of the pultrusion plate girder. And at the position of the blade tip, the girder is cut in the spanwise direction from the blade root to the blade tip, so that the number of layers of the pultrusion plates of the girder at the position of the blade tip is gradually reduced, and the end part of the pultrusion plate with the gradually reduced number of layers at the blade tip part is an inclined surface which gradually ...

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Номер записи: 3
23-06-2023 дата публикации

Fault diagnosis method and system for wind power blade connecting piece and storage medium

Номер: CN116296343A
Автор: LIANG PENGCHENG, YAN YUKUN, GAO KANG, WANG YAN, LEI ZHIMIN, CHEN NANA, FENG XUEBIN, YAO YUNSHUAI
Принадлежит:

The invention provides a fault diagnosis method and system for a wind power blade connecting piece and a storage medium. The method comprises the following steps that axial stress data of the wind power blade connecting piece in a wind driven generator are obtained through measurement of a sensor; acquiring operation data of a wind turbine in the wind driven generator; determining a stress data screening condition based on the operation data; screening target axial stress data of at least two different time periods from the axial stress data according to the stress data screening condition; based on the target axial stress data, stress data difference values of the wind power blade connecting piece in all the time periods are calculated; and according to the change characteristics of the stress data difference value in all the time periods, analyzing to obtain the fault type of the wind power blade connecting piece. The fault diagnosis method has the effect of timely and accurately diagnosing ...

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Номер записи: 4