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Auxiliary power supply device and electronic switch provided with auxiliary power supply device

A technology of electronic switches and power supply devices, which is applied in the direction of electronic switches, electrical components, pulse technology, etc., can solve the problems of incompatible installation of three-wire electronic switches, achieve the effects of reducing installation costs, solving compatibility problems, and improving versatility

Inactive Publication Date: 2014-06-04
钟晓龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide an auxiliary power supply device and an electronic switch using the device, so as to solve the problem that the three-wire electronic switch cannot be installed

Method used

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  • Auxiliary power supply device and electronic switch provided with auxiliary power supply device
  • Auxiliary power supply device and electronic switch provided with auxiliary power supply device
  • Auxiliary power supply device and electronic switch provided with auxiliary power supply device

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Experimental program
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Embodiment Construction

[0019] Embodiment is described in further detail below in conjunction with accompanying drawing:

[0020] figure 1 An application diagram for an electronic switch. The electronic switch is connected to the live wire and the load wire in the power grid. When there is a neutral wire output, the electronic switch is connected to the neutral wire. When there is no neutral wire output, the electronic switch can work normally without connecting the neutral wire.

[0021] figure 2 It is the working principle diagram when the electronic switch is connected to the zero line power grid with a phase of 0 degrees to 180 degrees.

[0022] As shown by the arrow, the current is output from the live wire of the grid through the rectifier to charge the power converter, and then flows back to the neutral wire of the grid through the rectifier.

[0023] image 3 It is the working principle diagram when the electronic switch is connected to the zero line power grid with a phase of 180 degree...

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PUM

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Abstract

The invention discloses an auxiliary power supply device. The auxiliary power supply device comprises a power adapter, a rectifier and at least one switch tube, wherein the switch tubes are used for converting alternating current signals into direct current signals needed by the power adapter, the alternating current signals are from load lines in a power grid, one end of each switch tube is connected with the power adapter, and the other end of each switch tube is connected with the corresponding load line. The invention further discloses an electronic switch provided with the auxiliary power supply device. By the adoption of the technical scheme, compatibility is achieved when three-wire electronic switches are installed, universality of electronic switch products is improved, and the installation cost of the electronic switch products is lowered.

Description

technical field [0001] The invention relates to an auxiliary power supply technology, in particular to a power supply for an internal circuit of an electronic switch. Background technique [0002] With the rapid development of smart homes, people's demand for electronic switches is increasing. The products in this area are divided into two types according to the wiring mode, one is the three-wire type, that is, live wire, neutral wire, load wire, and the other is It is a two-wire type, that is, the live wire and the load wire. These two types have their own advantages and disadvantages. The three-wire electronic switch basically does not have current flow through the load when the electronic switch is in high impedance because the circuit of the internal power supply of the product uses the neutral line instead of the load line. No flickering no matter how small the load bulb is. However, when installing a three-wire electronic switch, because the traditional mechanical sw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/945
Inventor 李迎琼
Owner 钟晓龙