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Leakage protection plug

A leakage protection plug and leakage protection technology, applied in the direction of circuits, electrical components, coupling devices, etc., can solve the problems of damaged plugs, insufficient protection of plugs, and failure to reset plugs, so as to improve protection performance, prevent static electricity residue, and improve service life Effect

Active Publication Date: 2017-07-21
浙江能美电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing leakage protection plugs are only waterproof and moisture-proof through the shell, and the protection of the plug itself is insufficient. Water vapor entering the plug may damage the plug, causing the plug to fail to reset after power failure or the plug cannot play the role of leakage protection, affecting the plug. normal use

Method used

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Examples

Experimental program
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Embodiment Construction

[0014] Such as Figure 1-Figure 4 As shown, the embodiment of the present invention is a leakage protection plug, including a housing 1, a rubber sleeve 2, a wire 3, a leakage protection module arranged in the housing 1, two power supply pins 4 connected to the leakage protection module and grounding Pin 5, rubber sleeve 2 are injection-molded outside the housing 1, and the leakage protection module includes a bracket 7, a circuit board 8, a leakage zero-sequence transformer 9, a grounding zero-sequence transformer 10, an electromagnetic coil 11, a reset button 12, and a test button 13 , contact pressure plate 14, reed 15 and grounding contact 16, leakage zero-sequence transformer 9, grounding zero-sequence transformer 10 and electromagnetic coil 11 are connected on circuit board 8, reset button 12 and test button 13 are arranged on circuit board 8 On the housing 1, a reset button hole and a test button hole are respectively formed corresponding to the reset button 12 and the ...

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Abstract

The invention relates to a leakage protection plug which comprises a housing, a lead, a leakage protection module arranged in the housing, a two-power-supply plug pin and a grounding plug pin. The two-power-supply plug pin and the grounding plug pin are connected with the leakage protection module, the housing is wrapped with a rubber sleeve, a reset button hole and a test button hole are respectively formed in a corresponding reset button and a corresponding test button on the housing, the reset button is wrapped with a reset sleeve made of rubber, the upper end of the reset sleeve tightly penetrates into the reset button hole, the test button is made of rubber, and the upper end of the test button tightly penetrates through the test button hole. The rubber sleeve is arranged outside the housing in an injection molding mode to play an insulating water-proofing role.

Description

technical field [0001] The invention relates to a plug, in particular to a leakage protection plug. Background technique [0002] With the increasing popularity of industrial production facilities and household appliances, people have more and more opportunities to come into contact with electricity, and the failure of electrical equipment leads to electric shock casualties. For personal safety and equipment safety, leakage protector has been widely used as an effective electrical safety technology device, and has played a pivotal role. Based on the principle of leakage protector, in order to provide better protection for users, many products are now equipped with leakage protection plugs. When the electrical equipment connected to the leakage protection plug leaks, the leakage protection plug can be automatically cut off within tens of milliseconds The power supply protects users from the danger of electric shock and protects their lives. [0003] Leakage protection plugs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/66H01R13/713
CPCH01R13/5202H01R13/5216H01R13/6666H01R13/713
Inventor 陈彦旦郑乐辉
Owner 浙江能美电子科技有限公司
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