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Power supply circuit for electronic equipment and control method thereof

A technology for power supply circuits and electronic equipment, which is applied to battery circuit devices, circuit devices, current collectors, etc.

Pending Publication Date: 2019-08-16
SHENZHEN TAIDAXUN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some data acquisition equipment (such as video evidence collection equipment when the police perform tasks), power failure cannot occur. If the power failure occurs, the previously collected data may be incoherent or lost, affecting the normal operation of the data acquisition equipment. , therefore, this technique needs to be improved

Method used

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  • Power supply circuit for electronic equipment and control method thereof
  • Power supply circuit for electronic equipment and control method thereof

Examples

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Effect test

Embodiment 1

[0023] refer to figure 1 , figure 1 It is a schematic structural diagram of an embodiment of a power supply circuit for electronic equipment of the present invention; a power supply circuit for electronic equipment, the power supply circuit includes a power supply battery BAT1, a backup power supply, and a switching circuit arranged inside the electronic equipment and the power output terminal C. In this embodiment, the backup power source is the backup battery BAT2, and the backup battery BAT2 is used as an example for illustration. Other circuits that can provide electric energy can also be used as backup power sources. Wherein, the power supply battery BAT1 is detachably connected with the electronic equipment, the output terminal of the power supply battery BAT1 and the output terminal of the spare battery BAT2 are respectively connected with the input terminals A and B of the switching circuit, and the output terminal of the switching circuit is connected with the output ...

Embodiment 2

[0030] Embodiment 2 is provided based on Embodiment 1, and Embodiment 2 provides a control method for a power supply circuit of an electronic device, which is applied to the power supply circuit for an electronic device (refer to figure 1 and figure 2 ),include:

[0031] According to the power supply state of the power supply battery BAT1, the power supply battery BAT1 and the backup power supply (taking the backup battery BAT2 as an example) are controlled to output electric energy from the output terminal C of the power supply in time-sharing;

[0032] The power supply battery BAT1 outputs electric energy from the power supply output terminal C, then the backup battery BAT2 does not supply power, and the power supply battery BAT1 stops outputting electric energy from the power supply output terminal C, then the backup battery BAT2 outputs electric energy from the power supply output terminal C.

[0033] The power supply battery BAT1 stops outputting electric energy from th...

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PUM

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Abstract

The invention discloses a power supply circuit for electronic equipment and a control method thereof. A switching circuit makes a power supply battery and a standby power supply output power from a power output end in a time sharing manner according to the power supply state of the power supply battery. The standby power supply does not supply power when the power supply battery outputs power fromthe power output end. When the power supply battery stops outputting power from the power output end, the standby power supply outputs power from the power output end. The technical problem that equipment stops working during battery replacement in the prior art is overcome. When electronic equipment replaces the power supply battery, the standby power supply supplies power to the electronic equipment, so that the electronic equipment will not be powered off and can continue working.

Description

technical field [0001] The invention relates to the field of electronic equipment, in particular to a power supply circuit for electronic equipment and a control method thereof. Background technique [0002] In the prior art, the device needs power supply to work. For devices with self-contained batteries, when the power of the self-contained battery is exhausted, the device will stop working. However, for some data acquisition equipment (such as video evidence collection equipment when the police perform tasks), power failure cannot occur. If the power failure occurs, the previously collected data may be incoherent or lost, affecting the normal operation of the data acquisition equipment. , therefore, this technique needs to be improved. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide a power supply circuit fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/36H02J9/06H02J7/00
CPCH02J7/36H02J9/061H02J7/0068H02J7/342Y04S20/20Y02B70/30
Inventor 刘光辰徐震朱抚刚
Owner SHENZHEN TAIDAXUN TECH
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