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Breaker with elastic energy-storing module

A technology of circuit breakers and elastic parts, applied in the field of low-voltage electrical appliances, can solve problems such as potential safety hazards, and achieve the effects of high closing speed, high reliability and rationality, and good connection performance.

Active Publication Date: 2015-07-22
ZHEJIANG TENGEN ELECTRIC
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0006] The invention provides a circuit breaker with an elastic energy storage component to solve the problem in the prior art of potential safety hazards caused by the stop electric contact staying in the middle position

Method used

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  • Breaker with elastic energy-storing module

Examples

Experimental program
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Embodiment Construction

[0041] Figure 1 to Figure 13 An embodiment of a circuit breaker with an elastic energy storage component (circuit breaker for short) provided by the present invention is shown.

[0042] The circuit breaker includes a housing 1 and a contact system arranged in the housing 1, a transmission mechanism for controlling the contact system, and a tripping mechanism, and a motor 7 for driving the transmission mechanism and a driving handle 6.

[0043] The housing 1 provides installation locations or / and installation structures for other components in the circuit breaker, and protects the components inside it. The housing 1 is designed according to the arrangement of internal components, and is usually molded by insulating plastic, which has good insulation and high temperature resistance. The shape and features of the housing 1 are not specifically described herein.

[0044] From figure 1It can be seen from the figure that the transmission mechanism includes the driving transmiss...

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Abstract

The invention provides a breaker with an elastic energy-storing module. The breaker comprises a case, a contact system arranged in the case, and a transmission mechanism controlling the contact system. An elastic energy-storing module is arranged on the transmission mechanism, the elastic energy-storing module releases elastic potential energy to close the contact system quickly when the transmission mechanism rotates in the forward direction. The closing speed of the breaker is irrelative to the actuating speed of the motor, under the action of the elastic energy-storing module, the contact system has high closure speed and good switch-on performance, and thereby the breaker is highly reliable and reasonable.

Description

technical field [0001] The invention relates to the field of low-voltage electrical appliances. Specifically, a circuit breaker. Background technique [0002] Miniature circuit breakers, also known as miniature circuit breakers, are suitable for overload and short circuit protection of AC 50-60Hz rated voltage 230-400V, rated current up to 63A, and can also be used for infrequent operation of the line under normal conditions. It is mainly used in various places such as industry, commerce, high-rise buildings and residential buildings. [0003] According to the requirements of the State Grid, in the line of the prepaid electric meter, the lower end of the electric meter needs to install the intelligent circuit breaker. On the basis of retaining the functions of ordinary circuit breakers, the intelligent circuit breaker can automatically disconnect the line when the user's meter is in arrears. Only when the user renews the fee, the intelligent circuit breaker can automatical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10H01H3/30
CPCH01H3/30H01H71/10
Inventor 丁国辉李敏徐大胜张进汪泰宇陈广哲
Owner ZHEJIANG TENGEN ELECTRIC
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