Relay output state holding method and used solid state relay

A technology of relay output and solid state relay, which is applied in the direction of instruments, simulators, general control systems, etc., can solve problems such as difficulty in maintaining the working state and lack of state maintenance function, and achieve the effect of reducing the impact

Pending Publication Date: 2018-01-16
贵州振华群英电器有限公司(国营第八九一厂)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, when the existing solid state relay restores the power supply after the power failure, it is difficult to maintain the working state before the power failure, and does not have the state maintenance function

Method used

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  • Relay output state holding method and used solid state relay
  • Relay output state holding method and used solid state relay
  • Relay output state holding method and used solid state relay

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Example 1. A relay output state maintenance method, such as figure 1 and figure 2 As shown, the method realizes the state holding function by setting the state holding circuit to keep the output state of the relay before power off.

[0033] The method is by setting a state holding circuit, utilizing a single-chip microcomputer located in the state holding circuit to record the output state of the relay before power-off and outputting a control pulse, so that the relay maintains the output state before power-off, and realizes the state holding function; the single-chip microcomputer , is to record the working state of the relay before power failure through the data memory unit; control the relay circuit through the I / O-3 port, so that the relay outputs the working state recorded by the single-chip microcomputer; through the I / O-1 and I / O-2 of the single-chip microcomputer Input the control pulse through the port to change the output state of the relay.

[0034] The ...

Embodiment 2

[0035] Example 2. A method for maintaining the output state of a relay, the method is to maintain the output state of the relay before the power failure by setting a state maintaining circuit, so as to realize the function of maintaining the state.

[0036] The method is by setting a state holding circuit, utilizing a single-chip microcomputer located in the state holding circuit to record the output state of the relay before power-off and outputting a control pulse, so that the relay maintains the output state before power-off, and realizes the state holding function; the single-chip microcomputer , is to record the working state of the relay before power failure through the data memory unit; control the relay circuit through the I / O-3 port, so that the relay outputs the working state recorded by the single-chip microcomputer; through the I / O-1 and I / O-2 of the single-chip microcomputer Input the control pulse through the port to change the output state of the relay.

[0037...

Embodiment 3

[0038] Example 3. A method for maintaining the output state of a relay, the method is to maintain the output state of the relay before the power failure by setting a state maintaining circuit, so as to realize the function of maintaining the state.

[0039]The method is by setting a state holding circuit, utilizing a single-chip microcomputer located in the state holding circuit to record the output state of the relay before power-off and outputting a control pulse, so that the relay maintains the output state before power-off, and realizes the state holding function; the single-chip microcomputer , is to record the working state of the relay before power failure through the data memory unit; control the relay circuit through the I / O-3 port, so that the relay outputs the working state recorded by the single-chip microcomputer; through the I / O-1 and I / O-2 of the single-chip microcomputer Input the control pulse through the port to change the output state of the relay.

[0040]...

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PUM

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Abstract

The invention discloses a relay output state holding method and a used solid state relay. According to the method of the invention, through arranging a state holding circuit, an output state of the relay before power supply interruption is kept, thereby realizing a state holding function. The solid state relay used by the method comprises a relay circuit (1) which is connected with a state holdingcircuit (2) through a solid state relay circuit input end (10), and the other end is connected with an output power supply (3). The state holding circuit (2) comprises a single-chip microcomputer (4)which is internally provided with a state memory unit (5). The single-chip microcomputer (4) is connected with a bias power supply (6) and an input common end (7). According to the solid state relayprovided by the invention, after power supplying is recovered after power supply interruption, the working state before power supply interruption can be kept, thereby realizing a state holding function and effectively reducing influence caused by accidental power supply interruption.

Description

technical field [0001] The invention relates to an electronic device, in particular to a method for maintaining the output state of a relay and a solid relay used therein. Background technique [0002] Solid state relay (Solid State Relay, abbreviated as SSR) is a new type of non-contact switching device composed entirely of solid-state electronic components. It can achieve the purpose of connecting and disconnecting the circuit without contact and without spark, so it is also called "contactless switch". [0003] Solid state relays are divided into solid state relays without bias power supply and solid state relays with bias power supply; solid state relays without bias power supply (such as image 3 Shown) In the application circuit, when the switch K is closed, the relay output is connected, when the switch K is open, the relay output is turned off, and there is no state holding function. [0004] Solid state relays with bias supplies (such as Figure 4 (shown) In the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
Inventor 赵笃良郭建章罗康刘理想任强张超群田浩
Owner 贵州振华群英电器有限公司(国营第八九一厂)
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