CN102738840A - Low temperature charging device of lithium ion battery - Google Patents
Low temperature charging device of lithium ion battery Download PDFInfo
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- CN102738840A CN102738840A CN2011100905700A CN201110090570A CN102738840A CN 102738840 A CN102738840 A CN 102738840A CN 2011100905700 A CN2011100905700 A CN 2011100905700A CN 201110090570 A CN201110090570 A CN 201110090570A CN 102738840 A CN102738840 A CN 102738840A
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Abstract
The invention relates to the lithium ion battery low temperature charging technology field. The invention discloses a low temperature charging device of a lithium ion battery. The device comprises a battery and temperature detection and charging control apparatus. The temperature detection and charging control apparatus is connected with the battery. The temperature detection and charging control apparatus is used to provide a charging current according to a battery temperature. By using the device of the invention, safety charging can be performed on the lithium ion battery under a low temperature and there is no damage to the battery.
Description
Technical field
The present invention relates to a kind of lithium ion battery low temperature (below 0 ℃) charging technique field.Be specifically related to a kind of lithium ion battery low temperature charging device.
Background technology
At present, constant current under the known low temperature condition (more than 0.1 multiplying power) commentaries on classics constant voltage charge diminishes lithium ion battery and is dangerous, and electric current causes all being not fully filled in 10 hours electricity again less than the charging of 0.1 multiplying power, and influence continues to use.The range of application of lithium ion battery enlarges gradually now, but the low temperature charging is still a big difficult point in the industry, and the migration velocity of lithium ion is less under the low temperature condition; In charging process, analyse lithium easily; Electrolyte has to salt out with electrolyte when low temperature and solidifies, and reaction impedance and solid-state diffusion impedance are bigger, changes constant voltage charging method battery is had damage so be easy to generate the general constant current of peeling off of decomposition and the graphite-structure of PC; Also dangerous, cause security incident easily.
Summary of the invention
Change the deficiency of the charging modes of constant voltage in order to overcome existing constant current, the present invention provides a kind of lithium ion battery low temperature charging device, thereby, can not only carry out safe charging to lithium ion battery at low temperatures, and to not damage of battery.
In order to achieve the above object, the present invention has following technical scheme:
A kind of lithium ion battery low temperature charging device of the present invention; Comprise battery, temperature detection and battery charge controller; Wherein, temperature detection and battery charge controller are connected on the battery, and said temperature detection and battery charge controller are used for providing charging current according to battery temperature.
Wherein, Said temperature detection and battery charge controller comprise device for detecting temperature, charging device, and wherein, charging device is connected with device for detecting temperature, battery respectively; Device for detecting temperature is connected with battery; Said device for detecting temperature detects battery temperature, communicates by letter with charging device then, and charging device charges the battery according to the temperature information adjustment charging current that receives.
Wherein, Said temperature detection and battery charge controller comprise management system, charging device, and wherein, charging device is connected with management system, battery respectively; Management system is connected with battery; Said management system detects battery temperature, communicates by letter with charging device then, and charging device charges the battery according to the temperature information adjustment charging current that receives.
Wherein, Said temperature detection and battery charge controller comprise temperature and electric control gear, current-limiting apparatus, charging device, and wherein, charging device is connected with current-limiting resistance, battery respectively; Current-limiting resistance is connected with battery; Temperature is connected with current-limiting resistance, battery respectively with electric control gear, and temperature and electric control gear detect battery temperature, controls charging current for the current-limiting apparatus signal according to battery temperature.
Wherein, the battery system that said battery comprises single-unit electricity core and the battery pack be made up of the connection in series-parallel of a plurality of single-units electricity core and battery pack connection in series-parallel are formed.
Owing to taked above technical scheme, the invention has the advantages that:
Under the condition of low temperature of the present invention (below 0 ℃), can when safety and nondestructive is hindered battery, make battery be full of electricity faster, and realize easily.
Description of drawings
Fig. 1 is the schematic diagram of embodiments of the invention 1;
Fig. 2 is the schematic diagram of embodiments of the invention 2;
Fig. 3 is the schematic diagram of embodiments of the invention 3;
Fig. 4 is the communication link map interlinking of embodiments of the invention 2.
1. batteries among the figure, 2. charging device, 3. device for detecting temperature, 4. management system, 5. temperature and electric control gear, 6. current-limiting apparatus, BMS. management system main frame, BMU. management system slave.
Embodiment
Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Referring to Fig. 1～3; A kind of lithium ion battery low temperature charging device of the present invention; Form by battery 1, temperature detection and battery charge controller; Wherein, temperature detection and battery charge controller are connected on the battery 1, and said temperature detection and battery charge controller are used for providing charging current according to battery 1 temperature.
Referring to Fig. 1, embodiment 1: temperature detection and battery charge controller are made up of device for detecting temperature 3, charging device 2, and wherein, charging device 2 is connected with device for detecting temperature 3, battery 1 respectively, and device for detecting temperature 3 is connected with battery 1.During work, at first be that device for detecting temperature 3 is started working, detect battery 1 temperature, communicate by letter with charging device 2 then, charging device 2 gives battery 1 charging according to the temperature information that receives, the real time altering charging current.
Referring to Fig. 2, embodiment 2: temperature detection and battery charge controller are made up of management system 4, charging device 2, and wherein, charging device 2 is connected with management system 4, battery 1 respectively, and management system 4 is connected with battery 1.During work, management system 4 is uploaded to charging device 2 with the temperature of the battery that collects 1, and charging device 2 gives battery 1 charging according to the temperature information that receives, the real time altering charging current.
Referring to Fig. 4, the charging device principle: described charging device mainly refers to charger, and charger is input as the three-phase commercial power, and inside is the parallel connection of many group switch power modules, when work, sends charging instruction according to battery management system and charges;
Management system 2: management system 2 is mainly by main frame and slave machine.Management system slave BMU mainly is responsible for gathering cell voltage and temperature information in the power brick, sends to management system host B MS through the CAN bus then, and main frame carries out information exchange through CAN bus and charger again;
In battery charging process; The management system slave BMU that battery pack is inner with temp probe in time detect the battery case temperature inside; Be uploaded to management system host B MS through the CAN bus then; Management system host B MS according to the temperature level of battery in the power brick, gives the charger sending controling instruction through the CAN bus again, makes charger according to the different charging current of condition of different output.
Referring to Fig. 3; Embodiment 3: temperature detection and battery charge controller comprise temperature and electric control gear, current-limiting apparatus, charging device, and wherein, charging device is connected with current-limiting resistance, battery respectively; Current-limiting resistance is connected with battery, and temperature is connected with current-limiting resistance, battery respectively with electric control gear.During work, temperature and electric control gear detect battery temperature, control charging current for the current-limiting apparatus signal according to battery temperature.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all execution modes.Everyly belong to the row that conspicuous variation that technical scheme of the present invention extends out or change still are in protection scope of the present invention.
Claims (5)
1. lithium ion battery low temperature charging device; It is characterized in that: comprise battery, temperature detection and battery charge controller; Wherein, temperature detection and battery charge controller are connected on the battery, and said temperature detection and battery charge controller are used for providing charging current according to battery temperature.
2. according to the described a kind of lithium ion battery low temperature charging device of claim 1; It is characterized in that: said temperature detection and battery charge controller comprise device for detecting temperature, charging device, and wherein, charging device is connected with device for detecting temperature, battery respectively; Device for detecting temperature is connected with battery; Said device for detecting temperature detects battery temperature, communicates by letter with charging device then, and charging device charges the battery according to the temperature information adjustment charging current that receives.
3. according to the described a kind of lithium ion battery low temperature charging device of claim 1; It is characterized in that: said temperature detection and battery charge controller comprise management system, charging device, and wherein, charging device is connected with management system, battery respectively; Management system is connected with battery; Said management system detects battery temperature, communicates by letter with charging device then, and charging device charges the battery according to the temperature information adjustment charging current that receives.
4. according to the described a kind of lithium ion battery low temperature charging device of claim 1; It is characterized in that: said temperature detection and battery charge controller comprise temperature and electric control gear, current-limiting apparatus, charging device, and wherein, charging device is connected with current-limiting resistance, battery respectively; Current-limiting resistance is connected with battery; Temperature is connected with current-limiting resistance, battery respectively with electric control gear, and temperature and electric control gear detect battery temperature, controls charging current for the current-limiting apparatus signal according to battery temperature.
5. according to the described a kind of lithium ion battery low temperature charging device of claim 1, it is characterized in that: the battery system that said battery comprises single-unit electricity core and the battery pack be made up of the connection in series-parallel of a plurality of single-units electricity core and battery pack connection in series-parallel are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100905700A CN102738840A (en) | 2011-04-12 | 2011-04-12 | Low temperature charging device of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100905700A CN102738840A (en) | 2011-04-12 | 2011-04-12 | Low temperature charging device of lithium ion battery |
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| CN102738840A true CN102738840A (en) | 2012-10-17 |
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| CN2011100905700A Pending CN102738840A (en) | 2011-04-12 | 2011-04-12 | Low temperature charging device of lithium ion battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410940A (en) * | 2016-11-03 | 2017-02-15 | 山东建筑大学 | Solar cell with battery low-temperature auxiliary heating function and control method of solar cell |
| WO2017063446A1 (en) * | 2015-10-14 | 2017-04-20 | 深圳市中兴微电子技术有限公司 | Charging method, mobile terminal, and storage medium |
| CN111923780A (en) * | 2020-07-06 | 2020-11-13 | 宝能(广州)汽车研究院有限公司 | Battery management method, battery system for vehicle and vehicle |
| US12015290B2 (en) | 2020-10-30 | 2024-06-18 | Techtronic Cordless Gp | Battery pack with temperature limited current |
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| EP1876510A2 (en) * | 2006-07-04 | 2008-01-09 | CAMPAGNOLO S.r.l. | Method for controlling and system for charging a battery power supply unit |
| CN101123355A (en) * | 2006-09-08 | 2008-02-13 | 机械科学研究院先进制造技术研究中心 | A secure charging method for lithium ion dynamic battery group |
| CN101416367A (en) * | 2006-03-31 | 2009-04-22 | 日立工机株式会社 | Battery charger |
| CN101752620A (en) * | 2009-12-23 | 2010-06-23 | 奇瑞汽车股份有限公司 | Vehicle-mounted lithium battery charging system |
| CN201994699U (en) * | 2011-04-12 | 2011-09-28 | 河南科隆集团有限公司 | Low-temperature charger for lithium ion battery |
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2011
- 2011-04-12 CN CN2011100905700A patent/CN102738840A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101416367A (en) * | 2006-03-31 | 2009-04-22 | 日立工机株式会社 | Battery charger |
| EP1876510A2 (en) * | 2006-07-04 | 2008-01-09 | CAMPAGNOLO S.r.l. | Method for controlling and system for charging a battery power supply unit |
| CN101123355A (en) * | 2006-09-08 | 2008-02-13 | 机械科学研究院先进制造技术研究中心 | A secure charging method for lithium ion dynamic battery group |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017063446A1 (en) * | 2015-10-14 | 2017-04-20 | 深圳市中兴微电子技术有限公司 | Charging method, mobile terminal, and storage medium |
| CN106602616A (en) * | 2015-10-14 | 2017-04-26 | 深圳市中兴微电子技术有限公司 | Charging method and mobile terminal |
| CN106410940A (en) * | 2016-11-03 | 2017-02-15 | 山东建筑大学 | Solar cell with battery low-temperature auxiliary heating function and control method of solar cell |
| CN106410940B (en) * | 2016-11-03 | 2019-09-10 | 山东建筑大学 | Solar battery and its control method with battery low temperature auxiliary heating function |
| CN111923780A (en) * | 2020-07-06 | 2020-11-13 | 宝能(广州)汽车研究院有限公司 | Battery management method, battery system for vehicle and vehicle |
| US12015290B2 (en) | 2020-10-30 | 2024-06-18 | Techtronic Cordless Gp | Battery pack with temperature limited current |
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Application publication date: 20121017 |