Three-power-supply automatic change-over switch
A technology of automatic transfer switch and three power sources, applied in the direction of protection switch, parts of protection switch, operation/release mechanism of protection switch, etc., can solve the problems of low reliability and safety, high cost of automatic transfer switch of three power sources, and achieve Reasonable structure, overcoming the effect of high cost
Active Publication Date: 2020-12-04
苏州飞腾电器有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide a three-power automatic transfer switch, which has a reasonable structure and overcomes the defects of high cost, low reliability and safety of the three-power automatic transfer switch in the prior art
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[0019] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0020] The technical scheme of concrete implementation of the present invention is:
[0021] Such as figure 1 and figure 2 As shown, a three-power automatic transfer switch includes a housing 1, the housing 1 is provided with a partition 2, and the partition 2 separates the internal space of the housing 1 into a first chamber and a second chamber;
[0022] The first chamber is provided with a first circuit breaker, a second circuit breaker and a third circuit breaker, the first circuit breaker is provided with a first handle 3, and the second circuit breaker is provided with a second handle 4 , the third circuit breaker is provided with a third handle 5...
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The invention discloses a three-power-supply automatic change-over switch which comprises a shell, a partition plate is arranged in the shell, and the partition plate divides the internal space of theshell into a first cavity and a second cavity. A first circuit breaker, a second circuit breaker and a third circuit breaker are arranged in the first cavity, a first handle is arranged on the firstcircuit breaker, a second handle is arranged on the second circuit breaker, a third handle is arranged on the third circuit breaker, and the first handle, the second handle and the third handle all extend into the second cavity; a first electromagnet, a second electromagnet and a third electromagnet are arranged in the second cavity, the first electromagnet is used for driving the first handle toopen or close the first circuit breaker, the second electromagnet is used for driving the second handle to open or close the second circuit breaker, and the third electromagnet is used for driving thethird handle to open or close the third circuit breaker. The three-power-supply automatic change-over switch is reasonable in structure and overcomes the defects that a three-power-supply automatic change-over switch in the prior art is high in cost and low in reliability and safety.
Description
technical field [0001] The invention relates to a three-power automatic transfer switch. Background technique [0002] Some industries and departments that have high requirements for power supply generally use dual power supply automatic transfer switches to control power supply. For specific places with very strict power supply requirements, such as hospitals, airports, and telecommunications departments, dual power supplies generally cannot meet the requirements, and three-way power supplies are required to meet their power supply requirements, that is, the main power supply, the first backup power supply, and the second power supply. Two backup power sources. Most of the three-power automatic transfer switches in the prior art are composed of two-stage dual-power automatic transfer devices. The input terminal of the first-stage dual-power automatic conversion device is the main power supply and the first backup power supply, and the input terminal of the second-stage du...
Claims
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IPC IPC(8): H01H71/10H01H71/02
CPCH01H71/1045H01H71/0207
Inventor 黄浙勇
Owner 苏州飞腾电器有限公司