Miniature circuit breaker and operation method thereof

A miniature circuit breaker and handle technology, which is applied to the operation/release mechanism of the protection switch, the circuit, the parts of the protection switch, etc., can solve the problems of high cost, unfavorable wide-scale popularization and use, complex structure, etc., and achieves low cost and improved Safety and reliability, the effect of high safety factor

Active Publication Date: 2015-05-13
HUAWEI BOAO ELECTRIC POWER EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the miniature circuit breakers on the market are complex in structure and high in cost, which is not conducive to large-scale promotion and use

Method used

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  • Miniature circuit breaker and operation method thereof
  • Miniature circuit breaker and operation method thereof
  • Miniature circuit breaker and operation method thereof

Examples

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Embodiment Construction

[0039] The present invention is described in detail below in conjunction with accompanying drawing:

[0040] Such as figure 1 As shown, it is a schematic diagram of the front overall structure of the miniature circuit breaker provided by the present invention; figure 2 shown, for figure 1 Schematic diagram of the structure after removing the gear plate 2 in ; image 3 As shown, it is a schematic diagram of the front structure of the core components in the miniature circuit breaker after assembly; Figure 4 shown, for image 3 Schematic diagram of the structure after removing the gear plate 2 in ; Figure 5 As shown, it is a schematic diagram of the assembled side structure of the core components in the miniature circuit breaker provided by the present invention; it includes: motor 1, toothed plate 2, paddle 3, handle 4 and slider 6;

[0041] refer to Figure 6 , the output shaft of the motor 1 is fixedly provided with a motor gear 11;

[0042] refer to Figure 8 , F...

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PUM

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Abstract

The invention provides a miniature circuit breaker and an operation method thereof. The miniature circuit breaker comprises a motor (1), a fluted disc (2), a shifting plate (3), a handle (4) and a sliding block (6); when rotating, the motor drives the fluted disc (2) to rotate so as to drive the shifting plate (3) to rotate; when rotating, the shifting plate (3) pushes handle shifting teeth (42) to rotate to drive the handle (4) to reach a closing position so as to automatically switch on. The miniature circuit breaker has the advantages that (1) the structure is simple, the operation is convenient, the safety coefficient is high, and the cost is low; (2) a manual switch on mode and an automatic switch on mode are performed, so that the functions are diversified; particularly a switch-on signal is actively sent to the motor to trigger the automatic switch-on process under the automatic switch on mode, and therefore, the use safety and reliability of the miniature circuit breaker can be improved, and the circumstance of switching on by mistake can be avoided.

Description

technical field [0001] The invention relates to a circuit breaker, in particular to a miniature circuit breaker and an operating method thereof. Background technique [0002] A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions, and can close, carry and break current under abnormal circuit conditions within a specified time. The function of the circuit breaker is well known in the industry. Under normal conditions, the electrical circuit is guaranteed to be unblocked; when the circuit fails to generate short-circuit current or overcurrent caused by overload, the electrical load is separated from the power supply network. [0003] Miniature circuit breaker, referred to as MCB (Micro Circuit Breaker), is the most widely used terminal protection device in building electrical terminal power distribution devices. Current protection, when the short-circuit current passing through the coil is greater than the set cu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/70H01H71/50
CPCH01H71/50H01H71/70H01H2071/109
Inventor 朱学东范国平
Owner HUAWEI BOAO ELECTRIC POWER EQUIP
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