CN102208700A - Automatic heating system of lithium-ion power battery for electric vehicle - Google Patents
Automatic heating system of lithium-ion power battery for electric vehicle Download PDFInfo
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- CN102208700A CN102208700A CN2011101043602A CN201110104360A CN102208700A CN 102208700 A CN102208700 A CN 102208700A CN 2011101043602 A CN2011101043602 A CN 2011101043602A CN 201110104360 A CN201110104360 A CN 201110104360A CN 102208700 A CN102208700 A CN 102208700A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 6
- 229910001416 lithium ion Inorganic materials 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses an automatic heating system of a lithium-ion power battery for an electric vehicle, comprising a battery pack module, a charger, a PTC module, a BMS (battery management system) module and a fan module, wherein the charger is connected with the battery pack module; the BMS module is respectively connected with the charger, the battery pack module, the PTC module and the fan module; the battery pack module is internally provided with a temperature sensor; and a temperature detection circuit in the BMS module is connected with the temperature sensor in the battery pack module. The system is used for solving the problems that the temperature is not regulated and controlled automatically, the even heating for the whole battery is difficult to realize and the use is fussy when an existing heating system heats a lithium-ion power battery.
Description
Technical field
The present invention relates to the lithium-ion-power cell technical field of heating, especially relate to the automatic heating system of electric automobile charging lithium-ion-power cell under the low situation of temperature.Be fit to vehicle-mounted lithium-ion-power cell heating.
Background technology
Energy problem is the industry key factor of heavy industry development especially of a country of restriction.Oil not only causes costing an arm and a leg because of reserves reduce day by day as the power source of orthodox car, and the vehicle exhaust that its burning is produced has also caused the pollution of environment, has increased the discharging of greenhouse gas.Therefore, arise at the historic moment with the hybrid vehicle and the pure electric vehicle of electric energy, and move towards the main flow automobile market gradually as part or all of power source.
At present, the battery of electric automobile mostly is lithium-ion-power cell, because existing lithium-ion-power cell charges difficult under low temperature condition even can not charge, influences the use of electric motor car.Generally all be that mostly prior art is directly lithium-ion-power cell to be heated by heat source body, wayward to the lithium-ion-power cell temperature during heating by heating solves to lithium-ion-power cell, stability and practicality are relatively poor.And charging the time can not be heated charging control automatically, use cumbersome loaded down with trivial details, if relate to the situation of multiple batteries, will be complicated more, the cost height.As Chinese patent 200420062187.X disclose a kind of can be when the low temperature to the charger of lithium ion battery heating, solve be existing charger for lithium ion battery when being lower than normal temperature, relatively poor to the charging effect of battery, the problem that the battery capacity loss is bigger.It comprises power supply, live part and join with power supply, with the calandria that the PTC thermistor chip is made, an end face of this calandria contacts with an end face of lithium ion battery.
Summary of the invention
The purpose of this invention is to provide a kind of used for electric vehicle lithium-ion-power cell automatic heating system, solving existing used for electric vehicle lithium-ion-power cell heating system heats lithium-ion-power cell, temperature can not be regulated control automatically, be difficult for making battery pack homogeneous heating all everywhere, use more loaded down with trivial details problem.
The technical solution adopted for the present invention to solve the technical problems is: a kind of used for electric vehicle lithium-ion-power cell automatic heating system, comprise battery module and charger and PTC module, and described charger is connected with battery module; Also comprise BMS (battery management system) module and blower module, described BMS module is connected with charger, battery module, PTC module, blower module respectively, be provided with temperature sensor in the described battery module, the temperature sensing circuit in the described BMS module is connected with the temperature sensor in the battery module.
Further, described BMS module also comprises power circuit and MCU (microcontroller) and control relay circuit.Described blower module comprises the cooling fan relay of fan and control fan energized.Described PTC module comprises the PTC relay of thermistor and control thermistor energized.Two relays that described battery module comprises also that the battery pack that is composed in series by some batteries and control charge circuit open and close and battery pack apparatus for placing.Described battery pack is composed in series by 104 battery modules.
Because lithium-ion-power cell can reach requirement substantially at charging effect more than 0 ℃, described BMS module is set to be not less than 0 ℃ to the normal value that battery pack temperature detects.
Beneficial effect of the present invention: owing to be provided with BMS module and blower module in this system, during the lithium-ion-power cell charging, battery temperature is low not to be reached when requiring when detecting, BMS module controls PTC and fan work, allow heat in battery pack, flow and reach heats, when reaching the charging temperature requirement, BMS module controls PTC and fan quit work, and control is opened the charge circuit of battery pack and given batteries charging.By the mobile heating of hot blast, make all battery pack homogeneous heating everywhere, temperature is convenient to regulate automatically control, fully integrates the existing resources, and realization is the temperature of control battery pack automatically.This system is simple and reliable, and cost is low, and is practical.
Below with reference to drawings and Examples, the present invention is carried out comparatively detailed explanation.
Description of drawings
Fig. 1 is a used for electric vehicle lithium-ion-power cell automatic heating system theory diagram of the present invention.
Fig. 2 is BMS module structure block diagram among the present invention.
Fig. 3 is an automatic heating system workflow diagram of the present invention.
Embodiment
Embodiment 1, and as depicted in figs. 1 and 2, a kind of used for electric vehicle lithium-ion-power cell automatic heating system comprises battery module, charger, PTC module and BMS module and blower module.Two relays that described battery module comprises that the battery pack that is composed in series by some batteries, temperature sensor and control charge circuit open and close and battery pack apparatus for placing, described battery pack is composed in series by 104 battery modules.Described PTC module comprises the PTC relay of thermistor and control thermistor energized.Described BMS module also comprises power circuit, temperature sensing circuit and MCU and control relay circuit.Described blower module comprises the cooling fan relay of fan and control fan energized.Wherein said charger is controlled by two relays with the battery pack in the battery module and is connected; Charger is connected with power circuit in the BMS module, and the power circuit in the BMS module is connected with thermistor with fan by PTC relay, cooling fan relay control.Control relay circuit in the described BMS module is connected with each relay in battery module, PTC module, the blower module respectively.Temperature sensing circuit in the described BMS module is connected with the temperature sensor in the battery module.
The present invention is used for the operation principle of electric automobile lithium-ion-power cell automatic heating system, as shown in Figure 3, because lithium-ion-power cell can reach requirement substantially at charging effect more than 0 ℃, described BMS module is set to be not less than 0 ℃ to the normal value that battery pack temperature detects.When the lithium-ion-power cell electric weight deficiency of electric automobile needs charging, the charger of this system is given the BMS module for power supply, temperature sensing circuit in the BMS module receives the temperature data that temperature sensor transmits in the battery module, by the computing of BMS MCU module relatively, when the temperature of battery pack is not less than 0 ℃, battery pack temperature is normal, and charge relay is opened in control, and charger begins to batteries charging.When the temperature of battery pack is lower than 0 ℃, battery pack temperature is undesired, the relay that the BMS module controls is opened in the PTC module starts PTC work heating, start fan work simultaneously, flow even heating battery group everywhere by hot blast, and when the temperature of battery pack rises to more than 0 ℃, PTC and fan are closed in control circuit control, charge relay is opened in control, gives batteries charging.Battery pack is homogeneous heating everywhere, makes the batteries charging better effects if, shortens the charging interval.Realize the temperature of control battery pack automatically, stable quick charging.
Claims (7)
1. a used for electric vehicle lithium-ion-power cell automatic heating system comprises battery module and charger and PTC module, and described charger is connected with battery module; It is characterized in that: also comprise BMS module and blower module, described BMS module is connected with charger, battery module, PTC module, blower module respectively, be provided with temperature sensor in the described battery module, the temperature sensing circuit in the described BMS module is connected with the temperature sensor in the battery module.
2. used for electric vehicle lithium-ion-power cell automatic heating system as claimed in claim 1 is characterized in that: described BMS module also comprises power circuit and MCU and control relay circuit.
3. used for electric vehicle lithium-ion-power cell automatic heating system as claimed in claim 1 is characterized in that: described blower module comprises the cooling fan relay of fan and control fan energized.
4. used for electric vehicle lithium-ion-power cell automatic heating system as claimed in claim 1 is characterized in that: described PTC module comprises the PTC relay of thermistor and control thermistor energized.
5. used for electric vehicle lithium-ion-power cell automatic heating system as claimed in claim 1 is characterized in that: two relays that described battery module comprises also that the battery pack that is composed in series by some batteries and control charge circuit open and close and battery pack apparatus for placing.
6. used for electric vehicle lithium-ion-power cell automatic heating system as claimed in claim 5 is characterized in that: described battery pack is composed in series by 104 battery modules.
7. used for electric vehicle lithium-ion-power cell automatic heating system as claimed in claim 1 is characterized in that: described BMS module is set to be not less than 0 ℃ to the normal value that battery pack temperature detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101043602A CN102208700A (en) | 2011-04-25 | 2011-04-25 | Automatic heating system of lithium-ion power battery for electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101043602A CN102208700A (en) | 2011-04-25 | 2011-04-25 | Automatic heating system of lithium-ion power battery for electric vehicle |
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| CN102208700A true CN102208700A (en) | 2011-10-05 |
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| CN2011101043602A Pending CN102208700A (en) | 2011-04-25 | 2011-04-25 | Automatic heating system of lithium-ion power battery for electric vehicle |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447148A (en) * | 2011-12-09 | 2012-05-09 | 中联重科股份有限公司 | Battery preheating system and method and electric vehicle |
| CN103427137A (en) * | 2013-08-20 | 2013-12-04 | 重庆长安汽车股份有限公司 | Low-temperature charge and heating system and method for power battery for all-electric vehicles |
| CN103762398A (en) * | 2014-01-16 | 2014-04-30 | 北京智行鸿远汽车技术有限公司 | Low-temperature heating system of power battery and control method of system |
| CN103855444A (en) * | 2012-12-06 | 2014-06-11 | 北汽福田汽车股份有限公司 | Heating system of electric car battery pack and electric car |
| CN103887575A (en) * | 2014-02-28 | 2014-06-25 | 成都宇能通能源开发有限公司 | Intelligent battery with information collection and communication function |
| CN103972598A (en) * | 2013-01-31 | 2014-08-06 | 广州汽车集团股份有限公司 | Vehicle power battery system and heating management method thereof, and electric vehicle |
| CN104638318A (en) * | 2014-11-28 | 2015-05-20 | 富奥汽车零部件股份有限公司 | Low-temperature rapid heating method and system for power battery pack for electric vehicle |
| CN105116341A (en) * | 2015-08-17 | 2015-12-02 | 安徽江淮松芝空调有限公司 | Electric car battery pack testing system |
| CN105416079A (en) * | 2015-11-24 | 2016-03-23 | 北京新能源汽车股份有限公司 | Vehicle and control circuit for on-vehicle battery |
| CN105449778A (en) * | 2015-12-31 | 2016-03-30 | 惠州市亿能电子有限公司 | Charging control circuit and control method |
| CN105633497A (en) * | 2016-03-23 | 2016-06-01 | 合肥国轩高科动力能源有限公司 | Low-temperature charging heating system and heating method for lithium ion battery of electric vehicle |
| US9751427B2 (en) | 2014-09-03 | 2017-09-05 | Ford Global Technologies, Llc | Vehicle traction battery thermal conditioning |
| CN107256992A (en) * | 2016-09-29 | 2017-10-17 | 河北工业大学 | The temperature automatic adjustment system of lithium-ion-power cell in electric automobile |
| CN108493517A (en) * | 2018-03-26 | 2018-09-04 | 奇瑞汽车股份有限公司 | Low-temperature protection system and method for battery of electric vehicle |
| CN110808434A (en) * | 2019-09-25 | 2020-02-18 | 浙江合众新能源汽车有限公司 | Heating control method and device for power battery during low-temperature charging of automobile |
| WO2022166491A1 (en) * | 2021-02-07 | 2022-08-11 | 中国第一汽车股份有限公司 | High voltage charging system and charging method of high voltage charging system |
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| CN201797351U (en) * | 2010-09-15 | 2011-04-13 | 惠州市亿能电子有限公司 | Lithium ion battery charging heat management circuit of novel trolley bus |
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| TW200518370A (en) * | 2003-11-21 | 2005-06-01 | Benq Corp | Apparatus for charging and heating a rechargeable battery at low temperature |
| CN201397868Y (en) * | 2009-04-15 | 2010-02-03 | 天津力神电池股份有限公司 | Self-heating device used for lithium ion battery pack |
| CN101789518A (en) * | 2010-03-23 | 2010-07-28 | 上海中科深江电动车辆有限公司 | Heat exchange structure of power battery box |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447148A (en) * | 2011-12-09 | 2012-05-09 | 中联重科股份有限公司 | Battery preheating system and method and electric vehicle |
| CN103855444A (en) * | 2012-12-06 | 2014-06-11 | 北汽福田汽车股份有限公司 | Heating system of electric car battery pack and electric car |
| CN103972598A (en) * | 2013-01-31 | 2014-08-06 | 广州汽车集团股份有限公司 | Vehicle power battery system and heating management method thereof, and electric vehicle |
| CN103972598B (en) * | 2013-01-31 | 2015-09-30 | 广州汽车集团股份有限公司 | Vehicular dynamic battery system, its heating management method and electric automobile |
| CN103427137A (en) * | 2013-08-20 | 2013-12-04 | 重庆长安汽车股份有限公司 | Low-temperature charge and heating system and method for power battery for all-electric vehicles |
| CN103427137B (en) * | 2013-08-20 | 2015-10-07 | 重庆长安汽车股份有限公司 | The low-temperature charging heating system of power battery of pure electric automobile and heating means |
| CN103762398A (en) * | 2014-01-16 | 2014-04-30 | 北京智行鸿远汽车技术有限公司 | Low-temperature heating system of power battery and control method of system |
| CN103887575A (en) * | 2014-02-28 | 2014-06-25 | 成都宇能通能源开发有限公司 | Intelligent battery with information collection and communication function |
| US9751427B2 (en) | 2014-09-03 | 2017-09-05 | Ford Global Technologies, Llc | Vehicle traction battery thermal conditioning |
| CN104638318A (en) * | 2014-11-28 | 2015-05-20 | 富奥汽车零部件股份有限公司 | Low-temperature rapid heating method and system for power battery pack for electric vehicle |
| CN105116341A (en) * | 2015-08-17 | 2015-12-02 | 安徽江淮松芝空调有限公司 | Electric car battery pack testing system |
| CN105416079A (en) * | 2015-11-24 | 2016-03-23 | 北京新能源汽车股份有限公司 | Vehicle and control circuit for on-vehicle battery |
| CN105416079B (en) * | 2015-11-24 | 2017-11-14 | 北京新能源汽车股份有限公司 | Vehicle and control circuit for on-vehicle battery |
| CN105449778A (en) * | 2015-12-31 | 2016-03-30 | 惠州市亿能电子有限公司 | Charging control circuit and control method |
| CN105633497A (en) * | 2016-03-23 | 2016-06-01 | 合肥国轩高科动力能源有限公司 | Low-temperature charging heating system and heating method for lithium ion battery of electric vehicle |
| CN107256992A (en) * | 2016-09-29 | 2017-10-17 | 河北工业大学 | The temperature automatic adjustment system of lithium-ion-power cell in electric automobile |
| CN107256992B (en) * | 2016-09-29 | 2023-07-07 | 河北工业大学 | Automatic temperature regulating system of lithium ion power battery in electric automobile |
| CN108493517A (en) * | 2018-03-26 | 2018-09-04 | 奇瑞汽车股份有限公司 | Low-temperature protection system and method for battery of electric vehicle |
| CN110808434A (en) * | 2019-09-25 | 2020-02-18 | 浙江合众新能源汽车有限公司 | Heating control method and device for power battery during low-temperature charging of automobile |
| CN110808434B (en) * | 2019-09-25 | 2022-04-08 | 浙江合众新能源汽车有限公司 | Heating control method and device for power battery during low-temperature charging of automobile |
| WO2022166491A1 (en) * | 2021-02-07 | 2022-08-11 | 中国第一汽车股份有限公司 | High voltage charging system and charging method of high voltage charging system |
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Owner name: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SAIC CHERY AUTOMOBILE CO., LTD. Effective date: 20150630 |
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Effective date of registration: 20150630 Address after: 241000 Yijiang, Anhui Province, Jin Hua Road, No. 226, South Road, No. Applicant after: New-energy automobile Technology Co., Ltd. of Cherry Address before: 241000 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Applicant before: Saic Chery Automobile Co., Ltd. |
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Application publication date: 20111005 |