Method and apparatus for charging battery

A battery charging and battery voltage technology, which is applied in battery circuit devices, secondary battery charging/discharging, circuit devices, etc., can solve problems that are difficult to implement, and achieve the effect of improving compatibility

Inactive Publication Date: 2009-01-28
TECH-POWER ELECTRONICS (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional battery charging method is the first constant current and then constant voltage method for the charger of the same type of battery, but it is difficult to implement the first constant current and then constant voltage charging mode on a universal charger compatible with different types of batteries. accomplish

Method used

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  • Method and apparatus for charging battery
  • Method and apparatus for charging battery
  • Method and apparatus for charging battery

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0016] refer to figure 1 , the first embodiment of the present invention implements the battery charging device comprising:

[0017] The detection unit 1 is used to detect the voltage value of the current battery;

[0018] The first judging unit 2 is used to judge whether the battery voltage in the current charging stage has reached the charging upper limit voltage. If it is judged to be yes, adjust the charging current value of the battery. Perform constant current charging.

[0019] The first judging unit 2 further includes:

[0020] An accumulating unit 3, configured to accumulate the number of adjustments of the charging current transfer value;

[0021] The second judging unit 4 is used to judge whether the accumulated number of times of current adjustment...

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PUM

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Abstract

The embodiment of the invention discloses a device for charging a battery, comprising a detecting unit and a first judging unit, wherein the first detecting unit is used for detecting the current voltage value of the battery; the first judging unit is used for detecting whether the voltage of the battery in the current charging section is up to the charging limit voltage; if yes, the current value of charging current of the battery is adjusted and the battery is charged by the adjusted constant current; if no, the battery is continuously charged by the current constant electric current. The device ensures that a battery charger charges batteries with different types and improves the compatibility with the battery charger.

Description

technical field [0001] The invention relates to the field of battery chargers, in particular to a method and device for realizing battery charging. Background technique [0002] With the continuous upgrading of storage battery technology and the continuous application of new materials to storage batteries, the types of storage batteries continue to increase, which leads to the situation that different types of batteries are used in the same electrical equipment, which poses a challenge to the charger. A higher requirement is that the same charger can be compatible to charge different types of batteries (including Li batteries, NiMH batteries and NiCd batteries). The traditional battery charging method is the first constant current and then constant voltage method for the charger of the same type of battery, but it is difficult to implement the first constant current and then constant voltage charging mode on a universal charger compatible with different types of batteries. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/44H02J7/00
CPCY02E60/12Y02E70/40Y02E60/10
Inventor 关进锋喻德茂范继光
Owner TECH-POWER ELECTRONICS (SHENZHEN) CO LTD
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