CN-224217428-U - Electric shock prevention switch and electric energy meter

CN224217428UCN 224217428 UCN224217428 UCN 224217428UCN-224217428-U

Abstract

The application provides an electric shock prevention switch and an electric energy meter, wherein the electric shock prevention switch is arranged on one side, close to a wall surface, of the electric energy meter and is characterized by comprising a connecting piece, a conducting piece, a first contact and a second contact, wherein the connecting piece is fixed on one side, close to the wall surface, of the electric energy meter, the connecting piece is made of insulating materials, the conducting piece is fixed on one side, close to the wall surface, of the connecting piece, the conducting piece is in a connecting state when being subjected to external pressure and is in a natural state when not subjected to external pressure, the first contact is fixed on the connecting piece and is electrically connected with an internal circuit of the electric energy meter, the first contact is electrically connected with the conducting piece, the second contact is electrically connected with the conducting piece when the conducting piece is in the connecting state, and the second contact is not conducted with the conducting piece when the conducting piece is in the natural state, so that automatic conduction and automatic outage of the electric energy meter are achieved, and safety and convenience of the electric energy meter are improved.

Inventors

CHEN YONGKE
LU MINGLEI
GAO JIAN
LOU YUEFEI

Assignees

杭州明特科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250210

Claims (10)

1. An anti-shock switch, comprising: The connecting piece is fixed on one side, close to the wall surface, of the electric energy meter, and the connecting piece is made of insulating materials; The conductive piece is fixed on one side of the connecting piece, which is close to the wall surface, and is in a connecting state when the conductive piece is subjected to external pressure and is in a natural state when the conductive piece is not subjected to external pressure; The first contact is fixed on the connecting piece and is electrically connected with an internal circuit of the electric energy meter, and the first contact is electrically connected with the conductive piece; The second contact is fixed on the connecting piece and is electrically connected with an internal circuit of the electric energy meter, when the conducting piece is in a connecting state, the second contact is electrically connected with the conducting piece, and when the conducting piece is in a natural state, the second contact is not conducted with the conducting piece.
2. The switch of claim 1, further comprising a pressure structure fixedly connected or hinged to the connecting member opposite the conductive member and located on a side of the conductive member adjacent the wall surface, the pressure structure extending at least partially out of the power meter, the pressure structure applying external pressure to the conductive member when the power meter is secured to the wall surface for use.
3. The switch of claim 2, wherein the pressure structure comprises: The elastic piece is fixed on the connecting piece and is positioned at one side of the conductive piece close to the wall surface, and at least part of the elastic piece extends out of the electric energy meter; The pressing component is positioned between the conductive piece and the elastic piece and fixedly connected with the elastic piece, and when the wall faces the elastic piece to be extruded, the pressing component applies external pressure to the conductive piece.
4. A switch according to claim 3, wherein the pressing assembly comprises: The spring is fixedly connected to the elastic piece; The pressing end is fixedly connected to one end, away from the elastic piece, of the spring and is opposite to the conductive piece.
5. A switch according to claim 3, wherein the material of the resilient member is any one of metal, rubber or plastic.
6. The switch of claim 1, wherein the first contact and the second contact are each a metal post secured to the connector.
7. The switch of claim 1, further comprising a third contact secured to the connector, the third contact being non-conductive with the conductor when the conductor is in a connected state and the third contact being electrically connected with the conductor when the conductor is in a natural state.
8. An electric energy meter, comprising: The electric energy meter comprises an electric energy meter shell, wherein the electric energy meter shell is made of insulating materials; the electric shock protection switch according to any one of claims 1 to 7, fixed to a side of the electric energy meter housing close to a wall surface; And the internal circuit is arranged in the electric energy meter shell, and two ends of the internal circuit are respectively and electrically connected with the first contact and the second contact of the electric shock prevention switch.
9. The electrical energy meter of claim 8, wherein the first contact and the second contact are each electrically connected to the internal circuit by a conductive screw.
10. The electrical energy meter of claim 8, wherein the internal circuit comprises a transformer coil set.

Description

Electric shock prevention switch and electric energy meter Technical Field The application belongs to the field of switches, relates to an electric shock protection technology, and particularly relates to an electric shock protection switch and an electric energy meter. Background The electric energy meter is usually placed in an electric meter box, and when it reaches the service life or fails, it needs to be removed for replacement or maintenance. It should be noted that, because the electric energy meter is directly taken down under the power-on state and has the electric shock risk, be provided with the switch on the electric energy meter generally, close the switch and can take down the electric energy meter safely. However, existing switches for electric energy meters are typically manual switches, i.e., switches that require an operator to manually turn off the electric energy meter before removing the electric energy meter. The electric energy meter switch is not only not convenient enough, but also has potential safety hazards, for example, when an operator forgets to turn off the switch or does not successfully press the switch due to errors, or a non-professional person mistakenly removes the electric energy meter, the electric energy meter is removed at the moment, and the electric energy meter is at a certain electric shock risk. Therefore, how to safely and conveniently remove the electric energy meter is needed to be solved by the person skilled in the art. Disclosure of Invention The application aims to provide an electric shock prevention switch and an electric energy meter, which are used for solving the problems that in the prior art, an operator is required to manually open or close a switch of the electric energy meter, so that the electric energy meter is possibly forgotten to be closed or the switch is not successfully closed due to the fact that the electric energy meter is taken down, and a certain potential safety hazard exists. The application provides an electric shock prevention switch which comprises a connecting piece, a conducting piece, a first contact and a second contact, wherein the connecting piece is fixed on one side, close to a wall surface, of an electric energy meter, the connecting piece is made of an insulating material, the conducting piece is fixed on one side, close to the wall surface, of the connecting piece, is in a connecting state when the conducting piece is subjected to external pressure and is in a natural state when the conducting piece is not subjected to external pressure, the first contact is fixed on the connecting piece and is electrically connected with an internal circuit of the electric energy meter, the first contact is electrically connected with the conducting piece, the second contact is fixed on the connecting piece and is electrically connected with the internal circuit of the electric energy meter, and when the conducting piece is in the natural state, the second contact is electrically connected with the conducting piece and is not conducted with the conducting piece. In an embodiment of the application, the electric shock prevention switch further comprises a pressure structure fixedly connected or hinged on the connecting piece, facing the conductive piece and located on one side of the conductive piece close to the wall surface, wherein the pressure structure at least partially extends out of the electric energy meter, and when the electric energy meter is fixed on the wall surface for use, the pressure structure applies external pressure to the conductive piece. In one embodiment of the application, the pressure structure comprises an elastic piece and a pressing component, wherein the elastic piece is fixed on the connecting piece and is positioned on one side, close to the wall surface, of the conductive piece, the elastic piece at least partially extends out of the electric energy meter, when the electric energy meter is fixed on the wall surface for use, the wall surface presses the elastic piece, and the pressing component is positioned between the conductive piece and the elastic piece and is fixedly connected with the elastic piece, and when the wall surface presses the elastic piece, the pressing component applies external pressure to the conductive piece. In one embodiment of the application, the pressing assembly comprises a spring fixedly connected to the elastic member and a pressing end fixedly connected to one end of the spring far away from the elastic member and opposite to the conductive member. In an embodiment of the application, the material of the elastic member is any one of metal, rubber or plastic. In an embodiment of the application, the first contact and the second contact are metal posts fixed on the connecting piece. In an embodiment of the present application, a third contact is fixed on the connecting member, and when the conductive member is in a connection state, the third contact is not conductive to