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Trip device module and circuit breaker implementing the same

A tripping device and tripping technology are applied in emergency protection devices, circuits, parts of protection switches, etc., which can solve the problems of increased size of circuit breakers, a lot of time and energy, and difficulty in improving the reliability of circuit breakers.

Active Publication Date: 2009-01-14
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in prior art circuit breakers, the different spaces between the individual phases (for example, R, S, T, and N phases) according to the breaking capacitance of each device make it impossible to universally use the trip unit module
[0006] In addition, since other devices performing additional functions of the trip alarm function and the delay output function should be installed in the main body of the circuit breaker, the size of the main body of the circuit breaker may increase, and assembling them requires a lot of time and effort
In addition, in the case of synchronous or interworking of various devices, it is difficult to improve the operating reliability of the circuit breaker

Method used

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  • Trip device module and circuit breaker implementing the same
  • Trip device module and circuit breaker implementing the same
  • Trip device module and circuit breaker implementing the same

Examples

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Embodiment Construction

[0056] Referring to the accompanying drawings, a detailed description will be given of a trip device module and a circuit breaker implementing the trip device module according to the present invention.

[0057] Such as Figure 1 to Figure 3 As shown, a circuit breaker with a tripping device module may include: a main body 110, in which a fixed contactor and a movable contactor, a main shaft 111 and a switch mechanism 117 are inserted, and the switch mechanism 117 is inserted between the movable contactor and the movable contactor. between the main shaft 111 to connect or disconnect the fixed contactor and the movable contactor; the front surface cover 120, which is connected on the front surface of the main body 110; the overcurrent relay 131, which is connected on the front surface cover 120 to make it The front surface can be exposed, and a fault current is detected and a trip signal (command) is output; and a trip device module 140 having an actuator 161 that generates an o...

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Abstract

Disclosed are a trip device module and a circuit breaker having the same, the trip device module including: a case having first and second arm receiving pockets to receive and accommodate driving arms disposed at a main shaft of various different inter-phase spacings; an actuator received in the case and having an output portion drawn out or introduced thereinto when the overcurrent relay outputs the trip signal; a reset plate installed in the case to interwork with the main shaft so as to initialize the output portion of the actuator; and a trip slider configured to allow the switching mechanism to perform the tripping operation when the actuator performs the trip operation, whereby the same trip device module can be commonly used for devices with different inter-phase spacings, and a compact configuration and operational reliability can be ensured.

Description

technical field [0001] The present invention relates to a tripping device module and a circuit breaker for implementing the tripping device module, in particular to a tripping device module and a circuit breaker for realizing the tripping device module that can be used in devices with different spaces between phases. Background technique [0002] The so-called circuit breaker refers to an electrical protection device that is installed between the power supply and the load equipment to protect the load equipment and the power supply line from the fault current that may occur in the circuit (short circuit, overload current due to ground fault, etc.) . [0003] The circuit breaker includes a switch mechanism for switching a fixed contactor and a movable contactor; an overcurrent relay for detecting a fault current and outputting a trip command to block conduction of an overload current; and a tripping device module provided at the switch Between the mechanism and the overcurre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10H01H71/12H01H71/54H01H83/00
CPCH01H71/1072H01H71/123H01H2217/046H01H2239/032
Inventor 孙钟万
Owner LSIS CO LTD
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