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Circuit breaker

A circuit breaker and arm end technology, which is applied in the field of data transmission, can solve the problems of insensitive circuit breaker response speed, untimely safety performance, etc., and achieve the effect of rapid response and high safety performance

Pending Publication Date: 2020-10-16
深圳市宇隆宏天科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a circuit breaker, which solves the technical problem

Method used

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Embodiment Construction

[0015] In order to better understand the technical solutions of the present invention, the embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] A circuit breaker such as figure 1 As shown, it includes: an arm end 6, a resistance device 9, a deformation device 8 and a base end 1, and the resistance device 9 and the deformation device 8 are both arranged between the arm end 6 and the base end 1, so The arm end 6 is flexibly connected to the base end 1 . like figure 2 As shown, when the ambient temperature exceeds the control temperature, or exceeds the control temperature due to the heating caused by the current, the deformation device 8 will warp, and the arm end 6 will be lifted, so that the arm end 6 and the base end 1 The contact is broken, and the current is disconnected (Off state).

[0017] At this time, the current will flow into the resistance device 9, and the resistance device throu...

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PUM

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Abstract

The invention provides a circuit breaker, which comprises an arm end, a resistance device, a deformation device and a base end, and is characterized in that the resistance device and the deformation device are arranged between the arm end and the base end, and the arm end is movably connected with the base end. According to the circuit breaker provided by the invention, a circuit is cut off immediately when the temperature is detected to exceed the control temperature under an abnormal condition until the temperature is recovered to the safe temperature and the safety state is confirmed, and the circuit breaker can be used again once the safety state is confirmed.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a circuit breaker. Background technique [0002] The existing data line has a built-in TYPE C module. The overheating and overcurrent protection generally adopts the following methods. Method 1) is to connect a polymer self-recovery PTC on the VBUS line. If the temperature rises or the current is too large, it will cause heat and the internal resistance of the PTC will increase. Large, cut off the circuit; but there are the following problems, the response time is not timely enough, generally it takes 0.2 seconds or several seconds to disconnect the circuit, for the danger of overcurrent, the reaction is often too late, resulting in burnt circuit or fire, failing to achieve the purpose of protection ; And after the PTC cuts off the circuit due to overcurrent or overheating, the temperature will gradually drop due to heat dissipation. Once it is lower than the connection...

Claims

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Application Information

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IPC IPC(8): H01H71/10H01H37/52H01H71/02
CPCH01H37/52H01H71/02H01H71/10H01H71/1072
Inventor 杨延航
Owner 深圳市宇隆宏天科技有限公司