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Automatic change-over switch of optimization power supply

A technology of power supply and working power supply, applied in electric switches, emergency power supply arrangements, circuits, etc., can solve the problems of inconsistent work reliability, automatic transfer switches cannot guarantee normal operation, etc., and achieves the increase of safety factor and action reliability factor Effect

Inactive Publication Date: 2008-06-25
TIANJIN BAILI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the current known automatic transfer switch, the working power of the electronic circuit board is provided by the A phase of the common power supply or the A phase of the standby power supply. When the voltage is unstable, the automatic transfer switch cannot guarantee normal operation
This is contrary to the working reliability proposed by the automatic transfer switch

Method used

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  • Automatic change-over switch of optimization power supply
  • Automatic change-over switch of optimization power supply

Examples

Experimental program
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Embodiment Construction

[0009] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0010] As shown in Figure 1, I / O1 and I / O2 are the two ports of the PIC18F6520 microcontroller. The I / O1 port of the microcontroller is connected to the positive input of the optocoupler RS1, and the negative input of the optocoupler RS1 is connected to the ground terminal GND. PIC18F6520 The I / O2 port of the microcontroller is connected to the positive input pole of the optocoupler RS2, and the negative input pole of the optocoupler RS2 is connected to the ground terminal GND; the action coil of the DC relay J1 is connected to both ends of the normally closed contact of the DC relay J2 and the output terminal of the optocoupler RS1 It is connected in series with both ends of the 24-volt power supply; the action coil of the DC relay J2 is conn...

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PUM

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Abstract

This invention relates to an automatic switching switch capable of optimizing power supplies including another DC relay, I / O, I / O2 ports of a single-chip processor and two optical couplers, one of the two ends of two normally-opened contact points on two DC relays are connected with two nodes of the CB working supply and those of a drive motor, the other end is connected with the major supply phase A and phase N of the standby supply, the I / O, I / O2 ports are connected with an input positive of an optical coupler, the negative of which is connected with phase N, the operation coils of the two DC relays are serial to two ends of normally closed contactor of another DC relay and an optical coupler output end then to be connected to both ends of the supply.

Description

Technical field [0001] The invention belongs to electrical switches, in particular to an automatic transfer switch with an optional power supply. Background technique [0002] As electronics and computer technology are widely used in the field of low-voltage electrical appliances, the intelligent automatic transfer switch is a new type of automatic transfer switch born in response to market demand. Its protection function is intelligent, the volume is miniaturized, and the structural modularization is the inevitable trend of development. In the current known automatic transfer switch, the working power of the electronic circuit board is provided by the A phase of the common power supply or the A phase of the standby power supply. When the voltage is unstable, the automatic transfer switch cannot guarantee normal operation. This is contrary to the proposed reliability of the automatic transfer switch. Contents of the invention [0003] The invention provides an automatic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/54H02J9/06
CPCY02B70/30Y04S20/20
Inventor 梁燕高云旭高辉郭玲张莉黄艳杰王喆张瑞平
Owner TIANJIN BAILI ELECTRIC CO LTD