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Optical coupling type electromagnetic relay

A technology of electromagnetic relay and electromagnetic relay, which is applied in the direction of relays, circuits, electrical components, etc., can solve the problems of application constraints, high price, large conduction resistance, etc., and achieve the effect of increasing safety productivity, application and maintenance convenience

Inactive Publication Date: 2006-08-23
陈俊峰
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the current existing technology, various solid-state AC and DC relays of optocoupler type are used in various technical fields such as national defense and transportation. The internal power switching devices are all composed of semiconductors. Because their conduction resistance is larger than that of contact relays, High energy consumption, often equipped with a metal radiator, and the price is very expensive, so its application is subject to certain restrictions, and there is no optocoupler electromagnetic relay on the market

Method used

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  • Optical coupling type electromagnetic relay
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Embodiment Construction

[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0010] in the attached figure 1 In the circuit schematic diagram of an optocoupler electromagnetic relay of the present invention, it includes: an optocoupler A, a relay drive circuit B, and an electromagnetic relay J. The optocoupler A is used to realize power isolation between the control system circuit and the controlled electrical system and switch signal transmission; the relay drive circuit B provides drive power for the switch of the electromagnetic relay J. Although the present invention can be applied to any form of electromagnetic relay circuit to be realized, from the perspective of global public interests of energy saving and environmental protection, an energy-saving electromagnetic relay should be used.

[0011] The following is an example of a typical modified circuit of an AC contactor widely used in various technical...

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Abstract

An optical coupling type electromagnetic relay includes one optical coupling A, one relay drive circuit B, one electromagnetic type relay J, wherein optical coupling A for realizing power supply isolation between control system circuit and controlled electric system and transmitting switching signal, relay drive circuit B providing drive electric energy for electromagnetic type relay J switch.

Description

technical field [0001] The invention relates to relays, in particular to application circuits of various electromagnetic relays. Background technique [0002] In the current existing technology, various solid-state AC and DC relays of optocoupler type are used in various technical fields such as national defense and transportation. The internal power switching devices are all composed of semiconductors. Because their conduction resistance is larger than that of contact relays, The energy consumption is high, and it is often equipped with a metal heat sink, and the price is very expensive, so its application is subject to certain restrictions, and there is no optocoupler electromagnetic relay on the market. Contents of the invention [0003] The object of the present invention is to provide a simple, low-cost optocoupler type electromagnetic relay, which makes it more convenient to use and maintain in application. [0004] The technical solution of the present invention is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H47/24H01H47/32H03K17/78
Inventor 陈俊峰
Owner 陈俊峰
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