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Automatic change-over control circuit of terminal duplicate supply

A technology for controlling circuits and transfer switches, applied in circuit devices, emergency power supply arrangements, electrical components, etc., can solve the problems of resource, energy waste, increase of failure points, and high manufacturing costs, and achieve resource saving, reliable work, and easy application. Effect

Inactive Publication Date: 2010-05-12
天津华翔电气集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing dual power supply circuit has more functions, the circuit is complicated, there are many fault points, the manufacturing cost is high, and the maintenance is inconvenient
Moreover, most of the dual power supplies are often used at the end of the power supply system, and there is no need for so many complicated protection functions. Therefore, the use of full-featured dual power supplies in such occasions not only increases the number of failure points, but also causes resource and energy losses. waste

Method used

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  • Automatic change-over control circuit of terminal duplicate supply
  • Automatic change-over control circuit of terminal duplicate supply

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Embodiment Construction

[0009] Below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure and features provided by the present invention are described in detail as follows:

[0010] see figure 1, a terminal type dual power supply automatic transfer switch control circuit, characterized in that the circuit is provided with a relay J1-1 connected to the power supply, and also includes light-emitting diodes LED8, LED9, switch K2-1, and resistor R2 to form "automatic / manual" Status indicator circuit, in which LED8 is an automatic indicator light, LED9 is a manual indicator light, K2-1 is an "automatic / manual" status indicator switch, and resistor R2 is a current limiter for the "automatic / manual" status indicator Resistor; light-emitting diodes LED13, LED14, switch K1-1, and resistor R3 form a "self-recovery / mutual standby" status indicator circuit, wherein light-emitting diode LED13 is a self-recovery status indicator, light-emitting diode LED14...

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Abstract

The invention relates to one end double power automatic switch control circuit, which comprises the following parts: relay connected to power, handle or automatic status conversion and indication switch; self-copy or interacting copy status indication lamp to power; light diode LED, diode D5, resistance R1 to form main power indication circuit; light diode LED15, resistance R4 and diode D20 form prepare power indication lamp circuit.

Description

technical field [0001] The invention relates to a power supply circuit, in particular to an end-type dual power supply automatic transfer switch control circuit. Background technique [0002] At present, in daily production and life, there are many occasions where electricity requirements are relatively strict, and uninterrupted power supply is often required. However, in reality, due to various reasons, the power supply system will encounter one or another failure, which will lead to the interruption of power supply, which will bring inconvenience to people's life and cause production losses. In this case, it is required to use two power supplies to supply power at the same time. When a problem occurs in one power supply, another power supply will take over this power supply to continue supplying power. This work is mainly automatically completed by the dual power supply automatic transfer switch. Although the existing dual power supply circuit has many functions, the circ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J9/06
CPCY02B70/30Y04S20/20
Inventor 韩永清杨勇张耀军顾耀兴史慧龙张乃彦
Owner 天津华翔电气集团股份有限公司
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