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Spring actuator for circuit breaker

A transmission device and circuit breaker technology, applied in circuits, water heaters, fluid heaters, etc., can solve problems such as the difficulty in product improvement or design change of enhanced spring transmission devices, and the difficulty in changing chain characteristics

Inactive Publication Date: 2012-08-15
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, manufacturers of circuit breakers using the limited types of chains that exist on the market have difficulty changing the characteristics of the chains
This may lead to difficulties in product improvements or design changes for enhancing the output of the spring actuator

Method used

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  • Spring actuator for circuit breaker
  • Spring actuator for circuit breaker
  • Spring actuator for circuit breaker

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] A detailed description will now be given of the exemplary embodiments with reference to the accompanying drawings. For brief description with reference to the drawings, the same or equivalent components will be provided with the same reference numerals, and descriptions thereof will not be repeated.

[0028] As shown, a spring actuator for a circuit breaker according to a preferred embodiment of the present disclosure includes a close spring actuator and a trip spring actuator, and will be referred to Figure 1 to Figure 4 The configuration of a spring actuator for a circuit breaker is described.

[0029] A spring transmission device for a circuit breaker according to a preferred embodiment of the present disclosure includes springs 1 and 21, spring housings 3b and 23b, movable support plates 3a and 23a, linear movable shafts 4 and 24, drive mechanisms 7, 7a, 31 and 31a, links 2 and 22, and latch mechanisms 8, 9, 10, 11, 12, 28, 32, 33, 34, 35 and 36.

[0030] The spr...

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PUM

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Abstract

Disclosed is a spring actuator for a circuit breaker, the spring actuator comprises a spring configured to provide an elastic energy serving to perform a circuit opening operation or a circuit closing operation of a circuit breaker; a spring housing providing a space to compress or extend the spring; a movable supporting plate linearly movable in the spring housing; a linearly-movable shaft linearly-movable having a first position for charging an elastic energy by compressing the spring, and having a second position for releasing the spring; a driving mechanism configured to provide a rotatory power for linearly-moving the linearly-movable shaft; one rigid link configured to convert the rotatory power provided from the driving mechanism to a linear power and to transmit the linear power to the linearly-movable shaft; and a latch mechanism having a position for latching the spring such that the spring maintains a charged state.

Description

technical field [0001] The present disclosure relates to a circuit breaker, and in particular to a spring actuator for a circuit breaker capable of acting on a closing spring configured to provide a driving force for closing the circuit breaker and configured to provide a driving force for opening the circuit breaker. The trip spring of the driving force of the device is charged or released. Background technique [0002] Air circuit breakers (hereinafter abbreviated as ACB) and vacuum circuit breakers (hereinafter abbreviated as VCB) use mechanical transmissions for opening or closing circuits, respectively. Here, the ACB is installed on an incoming side of a large electric power system such as a factory, and is configured to open or close a power circuit applied with a higher rated voltage than a general circuit breaker. And, the VCB is configured to open or close a power circuit to which a higher voltage or extra high voltage is applied. [0003] When a fault current (su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10
CPCH01H3/3015H01H3/3021F24H1/101F24H9/02F24H2250/00
Inventor 卓城俊
Owner LSIS CO LTD
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