CN102130476A - Electronic equipment quick-acting charging device based on dynamic switching and using method thereof - Google Patents

Electronic equipment quick-acting charging device based on dynamic switching and using method thereof Download PDF

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Publication number
CN102130476A
CN102130476A CN2010100272987A CN201010027298A CN102130476A CN 102130476 A CN102130476 A CN 102130476A CN 2010100272987 A CN2010100272987 A CN 2010100272987A CN 201010027298 A CN201010027298 A CN 201010027298A CN 102130476 A CN102130476 A CN 102130476A
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CN
China
Prior art keywords
charging
electronic equipment
temperature
dynamic switching
charge
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Application number
CN2010100272987A
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Chinese (zh)
Inventor
刘海涛
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上海果壳电子有限公司
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.)
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Application filed by 上海果壳电子有限公司 filed Critical 上海果壳电子有限公司
Priority to CN2010100272987A priority Critical patent/CN102130476A/en
Publication of CN102130476A publication Critical patent/CN102130476A/en

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Abstract

The invention discloses an electronic equipment quick-acting charging device based on dynamic switching and a using method thereof. The electronic equipment quick-acting charging device comprises n paths of charge lines for charging a battery, a temperature sensor and a processor, wherein the charge currents of all the charge lines are different, n is an integer which is more than or equal to 2; the temperature sensor is positioned near the battery; and the processor is connected with the temperature sensor and controls the n paths of charge lines. On the premise of fully ensuring battery principle and safety, a manner of dynamically regulating the charge currents according to the feedback of the temperature sensor is designed, thus the quick-acting charging of a high-capacity battery can be realized.

Description

Electronic equipment quick charge device and using method thereof based on dynamic switching

Technical field

The present invention relates to a kind of charging device and using method thereof, be specifically related to a kind of charging device of electronic appliances and using method thereof.

Background technology

Battery is made of chemical substance, and its specific charge characteristic is arranged, and not only can influence useful life if violate its intrinsic charge characteristic, but also can cause leakage blast etc.Electronic equipment all uses lithium ion battery now, and its GB regulation charging is 25 degrees centigrade of following 1C chargings to the maximum.Also be under the open environment that in the laboratory, guarantees below 25 degree in the detection, use the 1C charging.

But for electronic equipment, battery often is in the shell of sealing, and therefore heat radiation can't guarantee, its internal temperature tends to be higher than 25 degree.Therefore, in the electronic system charging design, particularly battery capacity surpasses on the above consumer electronics terminal of 1000mAh, for example e-book is 1530mAh, can't use 1C charging (electric current is big more warm all the more), but get about fixing 0.5C, can make the charging interval elongated like this.The charging interval of for example present e-book product is more than 4 hour, and the user feels that charging is very slow.

We also usually can run into such a case in daily life: when being badly in need of using electronic equipment; but find electronic equipment do not had the electricity or electric weight seldom; under this situation; we just are starved of and fill next emergent use of a part of electricity fast; at this moment; do not require electricity is full of, only require that can quick charge dealing with the use of a period of time gets final product.After emergent using, the user can be more at a slow speed carry out battery charge.

Summary of the invention

Technical problem to be solved by this invention provides a kind of electronic equipment quick charge device based on dynamic switching, and it can be the rechargeable battery charging fast and effectively, and guarantees the safety of battery.

In order to solve above technical problem, the invention provides a kind of electronic equipment quick charge device based on dynamic switching; Comprise: be the n road charging circuit of battery charge, the charging current difference of each charging circuit, n is the integer more than or equal to 2; Temperature sensor, it is positioned near the battery; Linking to each other with temperature sensor is connected to processor, and described processor is controlled described n road charging circuit.

Beneficial effect of the present invention is: can dynamically adjust the mode of charging current size fully guaranteeing to design the feedback according to temperature sensor under the prerequisite of battery principle and fail safe, can realize the quick charge of high capacity cell.

The present invention also provides the using method of above-mentioned electronic equipment quick charge device based on dynamic switching, may further comprise the steps: step 1, set in advance temperature threshold values T1, T2 ... Tn, wherein T1<T2<...<Tn, n are the integer more than or equal to 2; In step 2, when charging,, when temperature is in T1 when following, the circuit of gating charging current maximum adopts charging the most at a high speed; When temperature arrives T2, switch to charging circuit than the low one-level of maximum charging current; By that analogy, when temperature arrives Tn, switch to charging circuit than the low one-level of upper level charging current.

The present invention also provides the another kind of using method of above-mentioned electronic equipment quick charge device based on dynamic switching, and may further comprise the steps: processor provides a user selection interface, and described user selection interface comprises fast charge option and the option that charges at a slow speed; When the user selects fast charge option, the charging circuit that processor gating charging current is big; When the user selects to send the electric separation item at a slow speed, the charging circuit that processor gating charging current is little.

Description of drawings

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.

Fig. 1 is the schematic diagram of the described n of embodiment of the invention road charging circuit;

Fig. 2 is the schematic diagram of described 2 road charging circuits of the embodiment of the invention.

Embodiment

As shown in Figure 1, the invention provides a kind of electronic equipment quick charge device based on dynamic switching; Comprise: be the n road charging circuit of battery charge, the charging current difference of each charging circuit, n is the integer more than or equal to 2; Temperature sensor, it is positioned near the battery; Linking to each other with temperature sensor is connected to processor, and described processor is controlled described n road charging circuit.

The present invention dynamically adjusts the mode of charging current size fully guaranteeing to design the feedback according to the temperature sensor network under the prerequisite of battery principle and fail safe, can realize the quick charge of high capacity cell.

The using method of the electronic equipment quick charge device based on dynamic switching of the present invention can may further comprise the steps: step 1, set in advance temperature threshold values T1, T2 ... Tn, wherein T1<T2<...<Tn, n are the integer more than or equal to 2; In step 2, when charging,, when temperature is in T1 when following, the circuit of gating charging current maximum adopts charging the most at a high speed; When temperature arrives T2, switch to charging circuit than the low one-level of maximum charging current; By that analogy, when temperature arrives Tn, switch to charging circuit than the low one-level of upper level charging current.The present invention can set when temperature and drop to T1 again when following, and the circuit that switches to the charging current maximum again charges.Can also in step 1, set in advance upscale protection temperature T max, when battery temperature surpasses Tmax, cut off charging circuit.When temperature is reduced to Tmax when following, repeating step one and step 2 again.

Illustrate, as a kind of mode of simplifying most, described charging circuit can be for 2 the tunnel.As shown in Figure 2, charging circuit wherein is divided into high electric current (about 1C), low current (about industry 0.5C) two branch roads; Temperature sensor is placed on nearly battery place.Set in advance temperature threshold values T1, T2, Tmax, wherein T1<T2<Tmax.

During charging, when temperature is in T1 when following, high current path gating; Adopt (about 1C) charging the most at a high speed, when temperature arrives T2, switch to low current (about industry 0.5C), little in the hope of caloric value.When temperature drops to T1 when following again, switch to high electric current again and charge.The Tmax temperature is the upscale protection temperature, when battery temperature surpasses Tmax, cuts off charging circuit, to ensure cell safety.After temperature is got off, said process again again.

In fact charging paths can also according to circumstances be extended for into n bar branch road, selects corresponding to Tn kind temperature, realizing more precise current setting, and is not limited to two-stage.The invention is not restricted to be used for e-book, go for all and need be the equipment of battery charge.

Another kind of using method as device of the present invention.The present invention has also solved another technical problem, promptly can select soon charge mode at a slow speed by the user, and when the emergent use of needs, the user can independently select quick charge, and in the usual time, the user can select to charge at a slow speed.Therefore, the another kind of using method of above-mentioned electronic equipment quick charge device based on dynamic switching, may further comprise the steps: processor provides a user selection interface, and described user selection interface comprises fast charge option and the option that charges at a slow speed; When the user selects fast charge option, the charging circuit that processor gating charging current is big; When the user selects to send the electric separation item at a slow speed, the charging circuit that processor gating charging current is little.Like this, when being badly in need of wanting quick charge, the user is free to select the option of quick charge to fill the emergent use of a part of electricity fast; When the user thinks when can charge at a slow speed, can select the option that charges at a slow speed, with the mode of charging at a slow speed battery is full of.

The present invention is not limited to execution mode discussed above.More than the description of embodiment is intended in order to describe and illustrate the technical scheme that the present invention relates to.Based on the conspicuous conversion of the present invention enlightenment or substitute and also should be considered to fall into protection scope of the present invention.Above embodiment is used for disclosing best implementation method of the present invention, so that those of ordinary skill in the art can use numerous embodiments of the present invention and multiple alternative reaches purpose of the present invention.

Claims (7)

1. the electronic equipment quick charge device based on dynamic switching is characterized in that, comprising:
Be the n road charging circuit of battery charge, the charging current difference of each charging circuit, n is the integer more than or equal to 2;
Temperature sensor, it is positioned near the battery;
Linking to each other with temperature sensor is connected to processor, and described processor controls the conducting of described n road charging circuit and cuts out.
2. the electronic equipment quick charge device based on dynamic switching as claimed in claim 1 is characterized in that described charging circuit is 2 the tunnel.
3. the using method of the electronic equipment quick charge device based on dynamic switching as claimed in claim 1 is characterized in that, may further comprise the steps:
Step 1, set in advance temperature threshold values T1, T2 ... Tn, wherein T1<T2<...<Tn, n are the integer more than or equal to 2;
In step 2, when charging,, when temperature is in T1 when following, the circuit of gating charging current maximum adopts charging the most at a high speed; When temperature arrives T2, switch to charging circuit than the low one-level of maximum charging current; By that analogy, when temperature arrives Tn, switch to charging circuit than the low one-level of upper level charging current.
4. the using method of the electronic equipment quick charge device based on dynamic switching as claimed in claim 3 is characterized in that, may further comprise the steps: when temperature drops to T1 when following again, the circuit that switches to the charging current maximum again charges.
5. the using method of the electronic equipment quick charge device based on dynamic switching as claimed in claim 4 is characterized in that, may further comprise the steps: set in advance upscale protection temperature T max in step 1, when battery temperature surpasses Tmax, cut off charging circuit.
6. the using method of the electronic equipment quick charge device based on dynamic switching as claimed in claim 5 is characterized in that, when temperature is reduced to Tmax when following, and repeating step one and step 2 again.
7. the using method of the electronic equipment quick charge device based on dynamic switching as claimed in claim 1 is characterized in that, may further comprise the steps:
Processor provides a user selection interface, and described user selection interface comprises fast charge option and the option that charges at a slow speed;
When the user selects fast charge option, the charging circuit that processor gating charging current is big;
When the user selects to send the electric separation item at a slow speed, the charging circuit that processor gating charging current is little.
CN2010100272987A 2010-01-18 2010-01-18 Electronic equipment quick-acting charging device based on dynamic switching and using method thereof CN102130476A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN2010100272987A CN102130476A (en) 2010-01-18 2010-01-18 Electronic equipment quick-acting charging device based on dynamic switching and using method thereof

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103730924A (en) * 2013-12-16 2014-04-16 深圳市金立通信设备有限公司 Charging method, assembly and terminal
CN104578275A (en) * 2014-12-24 2015-04-29 广东欧珀移动通信有限公司 Charging method and electronic equipment
CN104578372A (en) * 2015-01-15 2015-04-29 小米科技有限责任公司 Method and device for controlling charging of terminal device
EP2833502A3 (en) * 2013-07-31 2015-06-03 Qnovo Inc. Adaptive charging technique and circuitry for a battery/cell using multiple charge circuits and temperature data
CN104882941A (en) * 2015-06-12 2015-09-02 联想(北京)有限公司 Electronic equipment, and control method therefor
CN105743180A (en) * 2014-12-24 2016-07-06 广东欧珀移动通信有限公司 Method for charging electronic equipment, and electronic equipment
CN105896655A (en) * 2014-12-24 2016-08-24 广东欧珀移动通信有限公司 Method for charging electronic equipment, and electronic equipment
CN105978049A (en) * 2015-10-26 2016-09-28 乐视移动智能信息技术(北京)有限公司 Battery voltage-multiplying charging circuit and mobile terminal
CN106058956A (en) * 2016-05-25 2016-10-26 乐视控股(北京)有限公司 Charging control method and device, and charging system
CN106926722A (en) * 2017-02-22 2017-07-07 安徽易威斯新能源科技股份有限公司 A kind of charging system and fast charge method for quick charge
CN108110854A (en) * 2018-01-16 2018-06-01 北京小米移动软件有限公司 Charging method, device and computer readable storage medium
WO2019071439A1 (en) * 2017-10-10 2019-04-18 深圳传音通讯有限公司 Multi-chip charging device and method
CN110103768A (en) * 2019-04-23 2019-08-09 浙江合众新能源汽车有限公司 A kind of electric car mends method for electrically and device automatically

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CN1588750A (en) * 2004-10-13 2005-03-02 北京嘉捷源技术开发有限公司 Intelligent controller charging accumulator and quick charging method of its regulating current
CN1617620A (en) * 2003-11-14 2005-05-18 乐金电子(中国)研究开发中心有限公司 Charging control method for charger built-in mobile communication terminal

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JPH07111739A (en) * 1993-10-08 1995-04-25 Matsushita Electric Ind Co Ltd Charger
CN1577948A (en) * 2003-07-25 2005-02-09 三洋电机株式会社 Battery charging method
CN1617620A (en) * 2003-11-14 2005-05-18 乐金电子(中国)研究开发中心有限公司 Charging control method for charger built-in mobile communication terminal
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9912181B2 (en) 2013-07-31 2018-03-06 Qnovo Inc. Adaptive charging technique and circuitry for a battery/cell using multiple charge circuits and temperature data
EP2833502A3 (en) * 2013-07-31 2015-06-03 Qnovo Inc. Adaptive charging technique and circuitry for a battery/cell using multiple charge circuits and temperature data
CN103730924A (en) * 2013-12-16 2014-04-16 深圳市金立通信设备有限公司 Charging method, assembly and terminal
CN105743180B (en) * 2014-12-24 2019-09-06 Oppo广东移动通信有限公司 Method and electronic equipment for charging for electronic equipment
CN105896655B (en) * 2014-12-24 2018-09-11 广东欧珀移动通信有限公司 Method for charging for electronic equipment and electronic equipment
CN105743180A (en) * 2014-12-24 2016-07-06 广东欧珀移动通信有限公司 Method for charging electronic equipment, and electronic equipment
CN105896655A (en) * 2014-12-24 2016-08-24 广东欧珀移动通信有限公司 Method for charging electronic equipment, and electronic equipment
CN104578275A (en) * 2014-12-24 2015-04-29 广东欧珀移动通信有限公司 Charging method and electronic equipment
CN104578275B (en) * 2014-12-24 2017-02-01 广东欧珀移动通信有限公司 Charging method and electronic equipment
CN104578372A (en) * 2015-01-15 2015-04-29 小米科技有限责任公司 Method and device for controlling charging of terminal device
US10790690B2 (en) 2015-01-15 2020-09-29 Xiaomi Inc. Method and apparatus for controlling charging of terminal device
CN104882941A (en) * 2015-06-12 2015-09-02 联想(北京)有限公司 Electronic equipment, and control method therefor
CN105978049A (en) * 2015-10-26 2016-09-28 乐视移动智能信息技术(北京)有限公司 Battery voltage-multiplying charging circuit and mobile terminal
CN106058956A (en) * 2016-05-25 2016-10-26 乐视控股(北京)有限公司 Charging control method and device, and charging system
CN106926722A (en) * 2017-02-22 2017-07-07 安徽易威斯新能源科技股份有限公司 A kind of charging system and fast charge method for quick charge
WO2019071439A1 (en) * 2017-10-10 2019-04-18 深圳传音通讯有限公司 Multi-chip charging device and method
CN108110854A (en) * 2018-01-16 2018-06-01 北京小米移动软件有限公司 Charging method, device and computer readable storage medium
CN110103768A (en) * 2019-04-23 2019-08-09 浙江合众新能源汽车有限公司 A kind of electric car mends method for electrically and device automatically

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Application publication date: 20110720