Three-pole power outage and leakage protection plug

Abstract

A three-pole power outage and leakage protection plug includes a main frame, a sliding seat which can be moved up and down and arranged in the main frame, a drive rod which can be inserted in the mainframe by moving up and down, a first drive assembly which is arranged on the drive rod and is used to move the drive rod upwards, and a positioning device which is arranged on the main frame and usedto lock or release the drive rod. The bottom surface of the main frame is provided with a first press-down contact, a first contact and a ground contact, and the first press-down contact includes a first fixed end mounted on the main frame and a first press-down end connected with the first fixed end and located above the sliding seat, wherein the first press-down end is disposed opposite to thefirst contact, a grounding contact sheet is provided on the sliding seat, and the grounding contact sheet and the grounding contact are oppositely set. The plug has a simple structure. When the poweris leaked, the first press-down end is separated from the first contact, and the grounding contact sheet is separated from the grounding contact, i.e., all circuits in the three-pole power outage andleakage protection plug corresponding to the fire line, the ground line and the zero line are disconnected, equivalent to pulling the plug out of the socket, so that the power outage protection is reliable, and the safe use of electrical appliances is ensured.

Description

technical field [0001] The invention relates to a three-pole power-off leakage protection plug. Background technique [0002] In the prior art, the internal leakage protection structure of the leakage protection plug is complex, and the power-off protection during leakage is unreliable. In addition, the existing leakage protection plug can only perform leakage detection and power-off protection for the live wire or the neutral wire, and cannot It is dangerous to detect the abnormality of the ground wire and perform power-off protection. [0003] Therefore, further improvements are required. Contents of the invention [0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a three-pole power-off leakage protection plug, which has a simple structure. The separation of the contacts means that all the circuits corresponding to the live wire, ground wire and neutral wire inside the three-pole power-off leakage...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the internal leakage protection structure of the leakage protection plug is complex, and the power-off protection during leakage is unreliable. In addition, the existing leakage protection plug can only perform leakage detection and power-off protection for the live wire or the neutral wire, and cannot It is dangerous to detect the abnormality of the ground wire and perform power-off protection.

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