Charging power supply protection device

A technology for protecting equipment and charging power sources, which is applied in battery circuit devices, safety/protection circuits, collectors, etc., and can solve unavoidable safety issues

Inactive Publication Date: 2017-05-24
BEIJING QIHOO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, as a battery, safety is always an unavoidable problem in the process of charging and discharging it.

Method used

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Embodiment Construction

[0043] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0044] In some processes described in the specification and claims of the present invention and the above-mentioned drawings, a plurality of operations appearing in a specific order are contained, but it should be clearly understood that these operations may not be performed in the order in which they appear herein Execution or parallel execution, the serial numbers of the operations, such as 101, 102, etc., are only used to distinguish different operations, and the serial numbers themselves do not represent any execution order. Additionally, these processes can include more or fewer operations, and these operations can be performed sequentially or in parallel. It should be n...

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PUM

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Abstract

The present invention discloses a charging power supply protection device, which comprises a battery pack, an electronic switch matrix unit connected with the battery pack, a central processor connected with the electronic switch matrix unit, and a security management unit connected between the battery pack and the central processor. The battery pack includes a first battery configured to be just in use, and a second battery configured to be charged. The electronic switch matrix unit is respectively connected with each battery of the battery pack. Upon receiving a switching instruction sent from the central processor, the electronic switch matrix unit selects and switches on the output circuit of at least one battery. The security management unit is provided with a power failure protection memory and is used for monitoring the electric quantity of each battery in the battery pack and identifying a charging circuit in the battery pack. The central processor is used for figuring out the abnormal condition of the current environment and then sending a shut-off instruction to the electronic switch matrix unit in the abnormal condition so as to cut off the charging circuit in the battery pack. By adopting the device, the energy consumption can be reduced and the reliability is improved.

Description

technical field [0001] The present invention relates to the technical field of safety precautions for battery use, and more particularly relates to a protection device for a charging power source. Background technique [0002] Today, lithium-ion batteries are widely used in portable electronic devices such as mobile phones, camcorders, notebook computers, cordless phones, power tools, remote control or electric toys, and cameras due to their excellent characteristics. The negative electrode of a lithium-ion battery is graphite crystals, and the positive electrode is usually lithium dioxide. When charging, lithium ions move from the positive electrode to the negative electrode and are embedded in the graphite layer. During discharge, lithium ions detach from the surface of the negative electrode in the graphite crystal and move to the positive electrode. Therefore, during the charging and discharging process of the battery, lithium always appears in the form of lithium ions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0036H02J7/0068H02J7/0029
Inventor 何坚强
Owner BEIJING QIHOO TECH CO LTD
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