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Composite switch

A compound type and switch technology, applied in the direction of protection switch terminal/connection, protection switch operation/release mechanism, voltage/current isolation, etc., can solve the problems of frequent on-off control of circuits, hidden dangers of power distribution safety, poor protection accuracy, etc. Achieve the effect of avoiding the waste of electric energy, saving space, protecting lines and electrical equipment

Pending Publication Date: 2020-04-24
天津市中力神盾电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects in the prior art, and provide a compound switch, which can solve the problem of poor protection precision and incomplete protection in circuit breakers in the prior art low-voltage power distribution system, and there are still hidden dangers in power distribution safety. The problem is that it can realize the power distribution protection function and realize the frequent on-off control of the circuit without affecting the service life of the circuit breaker. At the same time, the on-off device does not need continuous power supply to keep on or off, effectively avoiding power loss. Waste, and then realize energy-saving control according to power consumption conditions, significantly improve power distribution safety and intelligent control of power distribution

Method used

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Embodiment 1

[0021] figure 1 A schematic diagram of the structure of the composite switch of the first embodiment is shown in FIG. Such as figure 1 As shown, the composite switch of the preferred embodiment 1 of the present invention includes a circuit breaker 1, a first terminal 2 and a second terminal 3; it also includes an on-off device 4 and a current detecting device 5. The breaking device 4 is connected to the circuit 7 between the circuit breaker 1 and the first terminal 2 or the second terminal 3. The current detection device 5 is set in the circuit breaker 1 and the on-off device 4, the circuit breaker 1 and the first Terminal 2 or line 7 between circuit breaker 1 and second terminal 3.

[0022] Further, the on-off device 4 includes a moving contact 401, a static contact 402, a coil 403, and a permanent magnet 404. The coil 403 is used to attract or disconnect the permanent magnet 404. The permanent magnet 404 is connected to the moving contact 401 or the static contact. Point 402 t...

Embodiment 2

[0028] figure 2 A schematic structural diagram of the composite switch of the second embodiment is shown in. Such as figure 2 As shown, the compound switch of the preferred embodiment 2 of the present invention is similar to figure 1 The same parts in the first embodiment shown are represented by the same reference numerals, and only the differences are described below. In this embodiment, further, the communication module 6 is further connected to a processor (Central Processing Unit, CPU) 8, monitoring host 9, at least one of the host computer 10. Therefore, the processor 8, the monitoring host 9, or the host computer 10 can process the signals of the circuit breaker 1, the on-off device 4, and the current detection device 5 input by the communication module 6, and then open the circuit through the communication module 6. The switch 1, the on-off device 4 or the current detection device 5 inputs control signals, and the power distribution abnormality can be determined in ...

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Abstract

The invention provides a composite switch. The composite switch comprises a circuit breaker, a first wiring terminal, a second wiring terminal, an on-off device and a current detection device. The on-off device is connected with a circuit between the circuit breaker and the first wiring terminal or the second wiring terminal, and the current detection device is arranged on the circuit in a sleeving mode. The on-off device comprises a movable contact, a static contact, a coil and a permanent magnet. The composite switch further comprises a communication module which is further connected with aprocessor, a monitoring host or an upper computer. According to the composite switch provided by the invention, space is saved; the problems of poor protection precision and incomplete protection of the traditional circuit breaker can be solved, and the problem that the potential safety hazard of power distribution still exists is solved; the power distribution protection function can be achieved,meanwhile, frequent on-off control over a circuit is achieved; the service life of the circuit breaker is not affected, meanwhile, the on-off device does not need to continuously supply power to keepon or off; electric energy waste is effectively avoided, and then energy-saving control is achieved according to the power utilization condition; and the power distribution safety and the power distribution intelligent control degree are remarkably improved.

Description

Technical field [0001] The invention belongs to the technical field of electric power equipment, and specifically relates to a composite switch. Background technique [0002] Circuit breaker, as a switch device used to cut off the circuit when an overload or short-circuit fault occurs, is widely used in power distribution places such as industry, commerce and residential houses. However, with the development of intelligent power distribution technology, traditional circuit breakers can no longer Meet the current needs, including the inability to conduct frequent on and off so as not to affect the stability of the circuit breaker and affect the service life, so it is not suitable for the energy-saving control of electricity that requires frequent on and off, and lacks intelligent control of power distribution; For the contactor connected to the circuit breaker used for frequent on and off of the control circuit, the coil needs uninterrupted power supply when it is closed or discon...

Claims

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Application Information

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IPC IPC(8): H01H71/08H01H71/32G01R15/18G01R19/00
CPCG01R15/18G01R19/0092H01H71/08H01H71/32
Inventor 孙巍巍
Owner 天津市中力神盾电子科技有限公司
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