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Molded case circuit breaker voltage sampling device

A technology of molded case circuit breaker and voltage sampling, which is applied in circuit breaker testing, voltage measurement only, and measuring devices, etc., can solve the problems of easy generation of slippery teeth, complex production, and insufficient reliability.

Inactive Publication Date: 2020-07-07
代勒智能电网技术(南京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a voltage sampling device for molded case circuit breakers, which effectively solves the problem of the voltage sampling device for molded case circuit breakers, and directly welds the sampling line in the main circuit. Complicated, fastened by screws, this method is not reliable enough, and it is easy to cause the problem of sliding teeth

Method used

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  • Molded case circuit breaker voltage sampling device
  • Molded case circuit breaker voltage sampling device
  • Molded case circuit breaker voltage sampling device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one, by figure 1 , figure 2 with image 3 Given, the present invention includes a voltmeter 1, a fixed plate 2 is fixed in the middle of the bottom end of the voltmeter 1, a first blade 3 is installed on one side of the bottom end of the fixed plate 2, and a second blade 4 is connected to the other side of the bottom end of the fixed plate 2 One end of the middle part of the voltmeter 1 is connected with a first wire 5, and the end of the first wire 5 away from the voltmeter 1 is fixed with a first connector 6, and the end of the first connector 6 far away from the first wire 5 is equipped with a first splint 7, the first The bottom end of the splint 7 is fixed with a first connecting plate 8, the bottom of the first connecting plate 8 is provided with a first fixing hole 17, the inner side of the first fixing hole 17 is fixed with a fixing plate 18, and one end of the fixing plate 18 is connected with a spring 19, and the spring 19 is away from the One en...

Embodiment 2

[0019] Embodiment two, on the basis of embodiment one, by figure 1 , figure 2 with image 3 Given, the voltmeter 1 is a voltmeter with recorded voltage data, which can record the voltage data.

Embodiment 3

[0020] Embodiment three, on the basis of embodiment one, by figure 1 , figure 2 with image 3 Given, the fixing plate 2 is a hard plastic member, which can prevent conduction and ensure sufficient hardness.

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Abstract

The invention discloses a molded case circuit breaker voltage sampling device. The problem as follows is solved, namely, a sampling line is directly welded to a main loop of an existing molded case circuit breaker voltage sampling device, the mode makes production complex, fastening is achieved by screws, the reliability is insufficient, and slippage is easily caused. The device comprises a voltmeter, and a fixed plate is fixed in the middle of the bottom end of the voltmeter. A first blade is mounted on one side of the bottom end of the fixed plate, and the other side of the bottom end of thefixed plate is connected with a second blade. One end of the middle of the voltmeter is connected with a first wire. A first connector is fixed at the end, away from the voltmeter, of the first wire.A first clamping plate is mounted at the end, away from the first wire, of the first connector. A first connecting plate is fixed at the bottom end of the first clamping plate, a first fixing hole isformed in the bottom of the first connecting plate, and a fixing plate is fixed to the inner side of the first fixing hole. According to the present invention, the structure is compact, the production is simple, the manufacturing is convenient, the production cost is reduced, the reliability of the fastening manner is high, slippage is not easily generated, and the later maintenance cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of circuit breakers, and in particular relates to a voltage sampling device for a molded case circuit breaker. 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 magnetic field overcomes the reaction force spring, the release pulls the operating mechanism to act, and the switch trips instantaneously. When overloaded, the current becomes larger, the heat generation increases, and the bimetal sheet deforms to a certain extent to push the mechanism to act. The greater the current, the shorter the operating time. There is an electronic type, which uses transformers to collect the current of each phase, and compares it with the set value. When the current is abnormal, the microprocessor sends a signal to make the ele...

Claims

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Application Information

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IPC IPC(8): G01R1/04G01R19/00G01R31/327
CPCG01R1/0425G01R19/0084G01R31/327
Inventor 张佳庆魏湘江
Owner 代勒智能电网技术(南京)有限公司