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Power up and down drive circuit and its control method

A drive circuit and electric drive technology, applied in the field of electronics, can solve the problem of large size of the power-on and power-off drive circuits, and achieve the effects of reducing circuit costs, avoiding damage, and reducing overall volume.

Active Publication Date: 2018-06-05
HUAWEI DIGITAL POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the overall volume of the power-up and down drive circuit in the prior art is relatively large, the embodiment of the present invention provides a power-up and down drive circuit and its control method

Method used

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  • Power up and down drive circuit and its control method
  • Power up and down drive circuit and its control method
  • Power up and down drive circuit and its control method

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Embodiment Construction

[0078] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0079] figure 2 It is a schematic structural diagram of a power-up and down drive circuit provided by an embodiment of the present invention, see figure 2 , the power on and off drive circuit includes: a load 7, a switch circuit 8, a relay 9 and a single source drive circuit 10, the single source drive circuit 10 is a drive circuit for controlling the switch circuit 8 and the relay 9;

[0080] One end of the load 7 is connected to the positive pole of the first external power supply, the first input end 8a of the switch circuit 8 and the normally open contact 9a of the relay 9 are respectively connected to the other end of the load 7, the output end 8c of the switch circuit 8 and the relay 9 The normally closed contact 9b of the rel...

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Abstract

The invention discloses an up and down electric driving circuit and a control method thereof, which belong to the field of electronic technology. The power-up and down drive circuit includes: a load, a switch circuit, a relay and a single-source drive circuit; one end of the load is connected to the positive pole of the first external power supply, and the first input terminal of the switch circuit and the normally open contact of the relay are respectively connected to the positive pole of the load. The other end is connected, the output end of the switch circuit and the normally closed contact of the relay are respectively connected with the negative pole of the first external power supply; one end of the coil in the relay and the first input end of the single source drive circuit are respectively connected with the positive pole of the second external power supply connected, the other end of the coil in the relay is connected to the second input end of the single-source drive circuit; the first output end of the single-source drive circuit is connected to the second input end of the switch circuit, and the second output end of the single-source drive circuit is connected to the second input end of the single-source drive circuit The output terminal of the switch circuit is connected, and the third output terminal of the single-source drive circuit is connected with the negative pole of the second external power supply. The invention reduces the volume of the up and down electric driving circuit.

Description

technical field [0001] Embodiments of the present invention relate to the field of electronic technology, and in particular to a power-up and down drive circuit and a control method thereof. Background technique [0002] In a communication system, in order to improve the power utilization rate, it is necessary to perform power management on the communication power supply in the communication system, so as to effectively distribute the power of the communication power supply to different loads in the communication system. When performing power management, different loads can be powered on and off to realize power distribution to different loads, and different loads can be powered on and off by powering on and off the drive circuit. Wherein, powering on and off different loads refers to powering on or off different loads, and powering on a load means supplying power to the load, and powering off a load means disconnecting power supply to the load. [0003] At present, a power...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/36H02M1/32
CPCH02M1/32H02M1/36H01H9/542H01H47/32H03K17/08122
Inventor 杨靖张鹏
Owner HUAWEI DIGITAL POWER TECH CO LTD
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