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Anti-error closing device for circuit breaker

A technology of circuit breaker and gate device, which is applied in the field of anti-misoperation closing device, and can solve problems such as endangering the normal operation of the safety equipment of the operator, personal death, fire, etc.

Inactive Publication Date: 2007-01-31
SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because these abnormal conditions will endanger the safety of operators or the normal operation of equipment, and even cause personal death or fire

Method used

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  • Anti-error closing device for circuit breaker
  • Anti-error closing device for circuit breaker
  • Anti-error closing device for circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] refer to figure 1 , which is a schematic diagram of the structure of the device for preventing false closing of the present invention.

[0014] As shown in the figure, the anti-incorrect closing device includes a bracket 1 placed at the lower part of the device, a rotating shaft 2 placed in the middle of the bracket 1, a spring 3 on it, and a lock 4 at the top.

[0015] The bracket is fixed on the contact rod bracket of the circuit breaker, and the bracket has two symmetrical limits. The lock is limited to a substantially vertical position by the limit of the bracket due to the action of the spring, and the lock can rotate around the rotation axis under the action of external force.

[0016] refer to figure 2 , which is a schematic diagram of the lock catch of the anti-incorrect closing device of the present invention being hooked by the trip lock hook.

[0017] As shown in the figure, when the upper contact moves downward under the impact, the lock of the anti-miscl...

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PUM

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Abstract

The invention relates to circuit breaker error preventing switching device used in shock resistance type circuit breaker. It includes support, rotating axle, spring and snap close. The support is fixed on circuit breaker feeler lever stand. The snap close is fixed by the spring and revolved around the rotating axle. The jump pin is set a lock hook to prevent up contact and down contact from closing. The error preventing switching device can be used as circuit breaker attachment on ship.

Description

technical field [0001] The invention relates to an anti-misoperation closing device of a circuit breaker, belonging to the technical field of low-voltage electrical appliances. Background technique [0002] Low-voltage circuit breakers are mainly responsible for overload, under-voltage and short-circuit protection of distribution lines and electrical equipment. [0003] Under normal circumstances, distribution lines and electrical equipment are closed or disconnected by low-voltage circuit breakers to achieve the purpose of supplying power, power failure and switching circuits. [0004] When the grid is abnormal, such as overload, short circuit, etc., it can automatically disconnect the load from the grid. Because these abnormal conditions will endanger the safety of operators or the normal operation of equipment, and even cause personal death or fire. [0005] Due to the special needs of the ship's operation, the circuit breaker that needs to be closed in the case of stro...

Claims

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Application Information

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IPC IPC(8): H01H1/52H01H9/20H01H71/00
Inventor 秦钢华蔡秋芬王炫向晨艳陈晨庄磊
Owner SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP