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Circuit breaker interlocking mechanism

A technology of interlocking mechanism and circuit breaker, applied in the direction of circuits, electrical components, electric switches, etc., can solve the problems of short delay, high cost, complex structure, etc., and achieve the effect of fast response, simple structure, and convenient installation

Pending Publication Date: 2018-01-30
DELIXI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there will be a short delay in the activation of the interlock mechanism, and the structure is relatively complicated and the cost is high

Method used

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  • Circuit breaker interlocking mechanism
  • Circuit breaker interlocking mechanism
  • Circuit breaker interlocking mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A circuit breaker interlocking mechanism, which is used for the interlocking of No. 1 circuit breaker 1 and No. 2 circuit breaker 2 opening and closing, such as figure 1 , figure 2 As shown, the interlocking mechanism includes the No. 1 opening rotating unit fixed on No. 1 circuit breaker 1, the No. 1 closing rotating unit, and the No. 2 opening rotating unit and No. 2 closing rotating unit fixed on No. Brake rotation unit, one side of No. 1 opening rotation unit collides with the opening half shaft of No. 1 circuit breaker 1, and the other side is connected with one side of No. 2 closing rotation unit through a connecting piece, and No. 2 closing rotation The other side of the unit collides with the closing semi-axis of No. One side of the No. 2 opening rotating unit is connected, and the other side of the No. 2 opening rotating unit is collided with the opening semi-axis of No. 2 circuit breaker 2 . Such as image 3 , Figure 4 shown.

[0034] The No. 1 opening ...

Embodiment 2

[0044] An interlocking mechanism similar to that of the embodiment is adopted, the difference is that the connecting piece used in this embodiment is a cable 16, and slide buckles 15 are provided at both ends of the cable.

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PUM

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Abstract

The invention relates to a circuit breaker interlocking mechanism which is used for interlocking of breaking and closing of a first circuit breaker and a second circuit breaker. The interlocking mechanism comprises a first breaking rotation unit and a first closing rotation unit which are fixed on the first circuit breaker and a second breaking rotation unit and a second closing rotation unit which are fixed on the second circuit breaker. Compared with the circuit breaker interlocking mechanisms in the prior art, the circuit breaker interlocking mechanism is simple in structure, and interlocking control of two circuit breakers can be completed through mechanical transmission; besides, transmission is performed through connecting members so that the reaction speed is fast; furthermore, theinterlocking mechanism is convenient to install.

Description

technical field [0001] The invention relates to the technical field of circuit breakers, in particular to a circuit breaker interlocking mechanism. Background technique [0002] Due to work needs, low-voltage circuit breakers and frame circuit breakers often require that they can be locked when they are connected or disconnected (that is, the handle is in the "ON" or "OFF" position), so as to prevent other people from disconnecting or connecting. operation. When several circuit breakers are installed in different branch circuits or different power sources, it must be ensured that the moment the circuit breaker of line A closes, the circuit breaker of line B opens, or the moment the circuit breaker of line A turns off, the circuit breaker of line B closes. Closing, which needs to be done through interlocking. [0003] Patent CN103578811B discloses a circuit breaker interlock mechanism, including circuit breaker 1 of the main power supply, circuit breaker 2 of the contact ca...

Claims

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Application Information

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IPC IPC(8): H01H9/26
Inventor 张俊崔贇杰
Owner DELIXI ELECTRIC