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Thermal disengagement mechanism and surge protector

A thermal detachment and electrode technology, applied in the direction of protection switch operation/release mechanism, etc., can solve the problem of incomplete tripping of the thermal detachment mechanism, and achieve the effects of solving incomplete tripping, reducing heat transfer time, and avoiding adhesion

Active Publication Date: 2018-01-16
DELIXI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the incomplete tripping defect of the thermal detachment mechanism in the prior art

Method used

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  • Thermal disengagement mechanism and surge protector
  • Thermal disengagement mechanism and surge protector
  • Thermal disengagement mechanism and surge protector

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Such as Figure 1 to Figure 7 As shown, this embodiment provides a thermal detachment mechanism, including:

[0037] The heating chip 9 is provided with a leading end surface 93;

[0038] The conductive plate 2 is provided with a connecting end face 21, and the connecting end face 21 and the lead-out end face 93 are welded by solder;

[0039] The elastic push rod assembly includes a first elastic member 8 and a push rod 4 provided with the insulating end 41, and one end of the first elastic member 8 is fixed on the push rod 4;

[0040] Such as figure 1 As shown, when the thermal detachment mechanism is in the working state, the insulating end 41 is placed between the connecting end face 21 and the lead-out end face 93 under pressure;

[0041] Such as figure 2 As shown, when the heating chip 9 generates heat until the solder is melted, the connection end surface 21 is separated from the lead-out end surface 93, and the insulating end 41 moves to the connection end und...

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Abstract

The invention provides a thermal separation mechanism and a surge protection device. The thermal separation mechanism comprises a heating chip, a conducting plate and an elastic push rod component; the heating chip is provided with a leading-out end face; the conducting plate is provided with a connecting end face; the connecting end face and the leading-out end face are welded through a welding flux; the elastic push rod component comprises a first elastic part and a push rod which is provided with an insulating end; one end of the elastic part is fixedly arranged on the push rod; when the thermal separation mechanism is in a working state, the insulating end is arranged between the connecting end face and the leading-out end face in a pressing manner; when the heating chip heats until the welding flux is melted down, the connecting end face is separated from the leading-out end face; and the insulating end moves between the connecting end face and the leading-out end face under the driving of the first elastic part. The insulating end moves between the connecting end face and the leading-out end face to completely isolate the connecting end face and the leading-out end face, so that the problem of halfway release is solved.

Description

technical field [0001] The invention relates to the technical field of electrical protection, in particular to a thermal detachment mechanism and a surge protector. Background technique [0002] Surge protector, also called lightning protector, is an electronic device that provides safety protection for various electronic equipment, instruments, and communication lines. When a peak current or voltage suddenly occurs in the electrical circuit or communication line due to external interference, the surge protector can conduct the shunt in a very short time, thereby avoiding damage to other equipment in the circuit by the surge. [0003] The electrical circuit disconnecting device of the surge protector is generally a thermal disconnection mechanism, which mainly includes a bracket, and a conductive sheet arranged on the bracket, a chip pin, low-temperature solder, a spring, an indicator, and a push rod, and one end of the conductive sheet is pierced On the lead-out pin of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/20
CPCH01H71/20
Inventor 倪向宇管林啸
Owner DELIXI ELECTRIC
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