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a circuit breaker

A technology of circuit breakers and transmission parts, applied in the direction of protection switch operation/release mechanism, etc.

Inactive Publication Date: 2017-07-14
ZHEJIANG TENGEN ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a circuit breaker to solve the problem in the prior art that the user's electric meter is in arrears and can still supply power after manual closing

Method used

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Embodiment Construction

[0033] Figure 1 to Figure 7 An embodiment of a circuit breaker provided by the present invention is shown. In this article, without special instructions, it is described that an object rotates clockwise or counterclockwise to figure 1 Shown is standard.

[0034] From figure 1 It can be seen from the figure that the circuit breaker includes a housing 1, a contact system, a transmission system, a tripping system and a driving motor 9 located inside the housing 1, and also includes a circuit breaker arranged on the housing 1 and connected to the The operating handle of the linkage of the contact system. Wherein the transmission system includes a driving part 3 , a first transmission part 2 , a second transmission part 4 , a third transmission part 6 and a linkage part 7 . The second transmission member 4 is linked with the contact system through the third transmission member 6 and the linkage member 7 .

[0035] The housing 1 provides installation locations or / and installat...

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PUM

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Abstract

The invention provides a circuit breaker. The circuit breaker comprises a housing, a contact system, a transmission system, a release system, a driving motor and an operation handle. The transmission system comprises a driving member, a transmission member, a first transmission member and a second transmission member, wherein a second elastic member is arranged between the second transmission member and the housing, a first elastic member is arranged between the first transmission member and the housing. The release system comprises a release shaft, and the first transmission member is provided with a trigger portion abutting against the release shaft; when a user is in default, the driving motor drives the first transmission member to press against the release shaft, and the contact system is open; and when the user pays a fee, the driving motor continues to rotate, the release shaft is no longer pressed, the first transmission member turns around under the elastic force effect of the first elastic member, and the contact system is driven to be closed through the second transmission member. Therefore, before the user pays an electricity bill, even if an operation handle is manually turned to be closed, since the release system is at a trigger state, the operation handle is automatically reset to an opening position, and the user cannot draw power by himself.

Description

technical field [0001] The invention relates to the field of low-voltage electrical appliances, in particular to 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 63 second elastic member circuit, and can also be used as infrequent operation of the circuit under normal conditions For conversion purposes. 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 meter, the lower end of the smart meter needs to be installed with a smart circuit breaker. When the user's meter is in arrears, the smart circuit breaker can automatically disconnect the line. After the user renews the fee, the smart circuit breaker will automatically reclose, close the circuit, and s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/50
CPCH01H71/50
Inventor 张进李敏徐大胜丁国辉汪泰宇
Owner ZHEJIANG TENGEN ELECTRIC
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