CN103730920A - Battery charging method - Google Patents

Battery charging method Download PDF

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Publication number
CN103730920A
CN103730920A CN201310575379.4A CN201310575379A CN103730920A CN 103730920 A CN103730920 A CN 103730920A CN 201310575379 A CN201310575379 A CN 201310575379A CN 103730920 A CN103730920 A CN 103730920A
Authority
CN
China
Prior art keywords
battery charging
battery
switching tube
voltage
former limit
Prior art date
Application number
CN201310575379.4A
Other languages
Chinese (zh)
Inventor
于秀梅
Original Assignee
青岛盛嘉信息科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛盛嘉信息科技有限公司 filed Critical 青岛盛嘉信息科技有限公司
Priority to CN201310575379.4A priority Critical patent/CN103730920A/en
Publication of CN103730920A publication Critical patent/CN103730920A/en

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Abstract

The invention provides a battery charging method. The battery charging method includes the following steps that (a) an alternating current power supply is converted into battery charging voltages through a flyback converter, and the primary side of the flyback converter comprises a primary side winding and a switching tube which is connected with the primary side winding; (b) the battery charging voltages are detected; (c) battery charging currents are detected; (d) output signals of a voltage detection circuit and output signals of a current detection circuit are multiplied through a multiplying unit, so that charging power signals are obtained; (e) the charging power signals are compared with reference voltages through a comparator, and the switching tube of the flyback converter is controlled to be connected and disconnected according to a comparative result.

Description

A kind of method for charging batteries
Technical field
The present invention relates to electronic technology field, refer to especially a kind of method for charging batteries.
Background technology
Existing battery charger, as long as be connected with battery, will charge the battery always, can damage to battery like this, reduces service time.
Summary of the invention
The present invention proposes a kind of method for charging batteries, has solved that charger in prior art charges the battery always and the problem of the battery infringement that causes.
Technical scheme of the present invention is achieved in that
A kind of method for charging batteries, comprises the following steps: step (a), by inverse excitation type converter, AC power is transformed to battery charging voltage, and its former limit comprises former limit winding and the switching tube being connected with former limit winding; Step (b), detects battery charging voltage; Step (c), detects battery charge; Step (d), multiplies each other the output signal of described voltage detecting circuit and current detection circuit by multiplier, obtains charge power signal; Step (e), compares charge power signal by comparator with reference voltage, according to turning on and off of comparative result control inverse excitation type converter switching tube.
The invention has the beneficial effects as follows: by the detection to battery charging voltage and electric current, judge whether battery has charged, automatically by charger power-off.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of method for charging batteries of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of method for charging batteries of the present invention, comprises the following steps: step (a), by inverse excitation type converter, AC power is transformed to battery charging voltage, and its former limit comprises former limit winding and the switching tube being connected with former limit winding; Step (b), detects battery charging voltage; Step (c), detects battery charge; Step (d), multiplies each other the output signal of described voltage detecting circuit and current detection circuit by multiplier, obtains charge power signal; Step (e), compares charge power signal by comparator with reference voltage, according to turning on and off of comparative result control inverse excitation type converter switching tube.
The invention has the beneficial effects as follows: by the detection to battery charging voltage and electric current, judge whether battery has charged, automatically by charger power-off.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (1)

1. a method for charging batteries, is characterized in that, comprises the following steps: step (a), by inverse excitation type converter, AC power is transformed to battery charging voltage, and its former limit comprises former limit winding and the switching tube being connected with former limit winding; Step (b), detects battery charging voltage; Step (c), detects battery charge; Step (d), multiplies each other the output signal of described voltage detecting circuit and current detection circuit by multiplier, obtains charge power signal; Step (e), compares charge power signal by comparator with reference voltage, according to turning on and off of comparative result control inverse excitation type converter switching tube.
CN201310575379.4A 2013-11-18 2013-11-18 Battery charging method CN103730920A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310575379.4A CN103730920A (en) 2013-11-18 2013-11-18 Battery charging method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310575379.4A CN103730920A (en) 2013-11-18 2013-11-18 Battery charging method

Publications (1)

Publication Number Publication Date
CN103730920A true CN103730920A (en) 2014-04-16

Family

ID=50454897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310575379.4A CN103730920A (en) 2013-11-18 2013-11-18 Battery charging method

Country Status (1)

Country Link
CN (1) CN103730920A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060133115A1 (en) * 2004-12-22 2006-06-22 Phadke Vijay G Adaptive blanking of transformer primary-side feedback winding signals
CN102005553A (en) * 2010-10-13 2011-04-06 张文迅 Accumulator intelligent constant-temperature cabinet for maximal power point tracking wind-photovoltaic hybrid powered base station
CN202120154U (en) * 2011-02-23 2012-01-18 苏州市曦煜光电有限公司 Solar battery and output power regulating system thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060133115A1 (en) * 2004-12-22 2006-06-22 Phadke Vijay G Adaptive blanking of transformer primary-side feedback winding signals
CN102005553A (en) * 2010-10-13 2011-04-06 张文迅 Accumulator intelligent constant-temperature cabinet for maximal power point tracking wind-photovoltaic hybrid powered base station
CN202120154U (en) * 2011-02-23 2012-01-18 苏州市曦煜光电有限公司 Solar battery and output power regulating system thereof

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Application publication date: 20140416