CN108493520A - A kind of heating means of lithium-ion power battery system - Google Patents
A kind of heating means of lithium-ion power battery system Download PDFInfo
- Publication number
- CN108493520A CN108493520A CN201810313193.4A CN201810313193A CN108493520A CN 108493520 A CN108493520 A CN 108493520A CN 201810313193 A CN201810313193 A CN 201810313193A CN 108493520 A CN108493520 A CN 108493520A
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- battery
- temperature
- circuit
- heating
- charging
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of heating means of lithium-ion power battery system comprising two heating processes：First, being powered heating to heating plate by 10% 20% remaining electricity of battery itself, then heating plate heats battery；Second is that being generated heat by battery itself internal resistance when battery discharge, heat is transmitted outward by inside battery.Advantages of the present invention：Since lithium battery discharge temp range is well-to-do, it can carry out under cryogenic, heating is powered to heating plate by 10% 20% remaining electricity of battery itself, internal resistance is higher than room temperature situation under cryogenic for lithium battery, heat is transmitted outward by inside battery when battery discharge, so that temperature rise in entire battery case, when battery surface temperature reaches charging setting value, it can start to charge up, the method had both continued to use the heating of traditional heating piece, and additional power supply need not be increased, and introduce battery self-discharge fever, to improve the battery pack efficiency of heating surface.
Description
Technical field
The present invention relates to a kind of heating means of lithium-ion power battery system, belong to technical field of lithium batteries.
Background technology
Lithium-ion power battery system is applied currently as new-energy automobile.But lithium ion battery is general
It can not be in low temperature（Less than 0 DEG C）Under the conditions of charge.Therefore, it needs first to add battery in the case where battery pack is in low temperature condition
Heat makes battery temperature reach 0 DEG C or more, then charges again to battery pack.
Common practices in industry：Battery is heated by heating plate, and heating plate needs extraneous power supply, heating plate power compared with
Low, battery pack temperature could be promoted to 0 DEG C or more in 2-3 hours by generally requiring heating.
Invention content
The technical problem to be solved in the present invention is to provide a kind of heating means of lithium-ion power battery system, the party
Method had both continued to use the heating of traditional heating piece, and need not increase additional power supply, and introduced battery self-discharge fever, to improve
The battery pack efficiency of heating surface.
The present invention is realized by following proposal：A kind of heating means of lithium-ion power battery system comprising two add
Thermal process：First, be powered heating to heating plate by the remaining 10%-20% electricity of battery itself, then heating plate pair
Battery is heated；Second is that being generated heat by battery itself internal resistance when battery discharge, heat is transmitted outward by inside battery, so that it is entire
Temperature rise in battery case, when battery surface temperature reaches charging setting value, you can start to charge up.
A kind of charging system of lithium-ion power battery system comprising charging circuit, discharge circuit and heater circuit, and
Including following procedure,
Step 1：Single battery Management Controller LECU reads temperature data；
Step 2：Judge in battery pack temperature whether 0 DEG C, charging circuit is closed if temperature is more than 0 DEG C, discharge circuit and heating
Circuit disconnects, and charges, if temperature is less than 0 DEG C, enters next step；
Step 3：Charging circuit disconnects if temperature is less than 0 DEG C, and discharge circuit and heater circuit are closed, and are discharged, and utilize
Discharge energy to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2.
A kind of charging system of lithium-ion power battery system comprising charging circuit, discharge circuit, battery heater circuit
And include following procedure with charging pile heater circuit,
Step 1：Single battery Management Controller LECU reads temperature data；
Step 2：Judge whether temperature is less than 0 DEG C in battery pack, and charging circuit is closed if temperature is more than or equal to 0 DEG C, other electricity
Road disconnects, and charges, if temperature is less than 0 DEG C, enters next step；
Step 3：If temperature is less than 0 DEG C, judge whether battery capacity is more than 5%, if battery capacity is less than or equal to 5%, charging pile
Heater circuit is closed, other circuits disconnect, and charging pile heating enters next step if battery capacity is more than 5%；
Step 4：If battery capacity is more than 5%, discharge circuit and battery heater circuit are closed, other circuits disconnect, and battery is put
Electricity, and using discharge energy to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2, when battery electricity
Amount is less than or equal to 5%, return to step three.
A kind of charging system of lithium-ion power battery system comprising charging circuit, discharge circuit, battery heater circuit
And include following procedure with charging pile heater circuit,
Step 1：Single battery Management Controller LECU reads temperature data by temperature inductor；
Step 2：Judge whether temperature is less than 0 DEG C in battery pack, and if temperature is more than or equal to 0 DEG C, KA3 is closed, other relays
It disconnects, charges, if temperature is less than 0 DEG C, enter next step；
Step 3：If temperature is less than 0 DEG C, judge whether battery capacity is more than 5%, if battery capacity is closed less than or equal to 5%, KA5
It closes, other relays disconnect, and charging pile heating enters next step if battery capacity is more than 5%；
Step 4：It is closed if battery capacity is more than 5%, KA1 and KA4, other relays disconnect, battery discharge, and utilize and put
Electric flux to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2, when battery capacity is less than or equal to
5%, return to step three.
The charging circuit, the discharge circuit, the battery heater circuit, the charging pile heater circuit, monomer electricity
Pond Management Controller LECU and temperature inductor are all connected to battery management system BMS.
Beneficial effects of the present invention are：Since lithium battery discharge temp range is well-to-do, can under cryogenic into
Row, the present invention just catch this feature, are powered and are added to heating plate by the remaining 10%-20% electricity of battery itself
Heat, internal resistance is higher than room temperature situation under cryogenic for lithium battery, is generated heat by battery itself internal resistance when battery discharge, heat is by battery
It is internal to transmit outward, so that temperature rise in entire battery case, when battery surface temperature reaches charging setting value, you can start
Charging, the method had both continued to use the heating of traditional heating piece, and need not increase additional power supply, and introduced battery self-discharge hair
Heat, to improve the battery pack efficiency of heating surface.
Description of the drawings
Fig. 1 is a kind of flow diagram of the charging process of the charging system of lithium-ion power battery system of the present invention.
Fig. 2 is a kind of open-circuit figure of the charging system of lithium-ion power battery system of the present invention.
Fig. 3 is a kind of battery heater circuit figure of the charging system of lithium-ion power battery system of the present invention.
Fig. 4 is a kind of charging pile heater circuit figure of the charging system of lithium-ion power battery system of the present invention.
Fig. 5 is a kind of charging circuit diagram of the charging system of lithium-ion power battery system of the present invention.
Fig. 6 is a kind of discharge circuit figure of the charging system of lithium-ion power battery system of the present invention.
Fig. 7 is the BMS control figures of entire battery system.
Specific implementation mode
With reference to Fig. 1-7, the present invention is further described, but the scope of the present invention does not limit to the content.
For clarity, not describing whole features of practical embodiments, in the following description, it is not described in detail well known function
And structure, because they can make the present invention chaotic due to unnecessary details, it will be understood that opening in any practical embodiments
In hair, it is necessary to make a large amount of implementation details to realize the specific objective of developer, such as according to related system or related business
Limitation, another embodiment is changed by one embodiment, additionally, it should think that this development may be complicated and expend
Time, but it is only to those skilled in the art routine work.
A kind of heating means of lithium-ion power battery system comprising two heating processes：First, passing through battery itself
Remaining 10%-20% electricity is powered heating to heating plate, and then heating plate heats battery；Second is that battery is put
It being generated heat by battery itself internal resistance when electric, heat is transmitted outward by inside battery, so that temperature rise in entire battery case, works as battery
When surface temperature reaches charging setting value, you can start to charge up.
A kind of charging system of lithium-ion power battery system comprising charging circuit, discharge circuit, battery heater circuit
And include following procedure with charging pile heater circuit,
Step 1：Single battery Management Controller LECU reads temperature data by temperature inductor；
Step 2：Judge whether temperature is less than 0 DEG C in battery pack, and if temperature is more than or equal to 0 DEG C, KA3 is closed, other relays
It disconnects, charges, if temperature is less than 0 DEG C, enter next step；
Step 3：If temperature is less than 0 DEG C, judge whether battery capacity is more than 5%, if battery capacity is closed less than or equal to 5%, KA5
It closes, other relays disconnect, and charging pile heating enters next step if battery capacity is more than 5%；
Step 4：It is closed if battery capacity is more than 5%, KA1 and KA4, other relays disconnect, battery discharge, and utilize and put
Electric flux to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2, when battery capacity is less than or equal to
5%, return to step three.
Charging circuit, discharge circuit, battery heater circuit, charging pile heater circuit, single battery Management Controller LECU
It is all connected to battery management system BMS with temperature inductor.
Although having done more detailed elaboration to technical scheme of the present invention and having enumerated, it should be understood that for ability
For field technique personnel, modification is made to above-described embodiment or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed range.
Claims (5)
1. a kind of heating means of lithium-ion power battery system, it is characterised in that：It includes two heating processes：First, passing through
The remaining 10%-20% electricity of battery itself is powered heating to heating plate, and then heating plate heats battery；Two
It being generated heat by battery itself internal resistance when being battery discharge, heat is transmitted outward by inside battery, so that on entire battery the temperature inside the box
It rises, when battery surface temperature reaches charging setting value, you can start to charge up.
2. a kind of charging system of lithium-ion power battery system, which is characterized in that it includes charging circuit, discharge circuit and adds
Heater circuit, and include following procedure,
Step 1：Single battery Management Controller LECU reads temperature data；
Step 2：Judge in battery pack temperature whether 0 DEG C, charging circuit is closed if temperature is more than 0 DEG C, discharge circuit and heating
Circuit disconnects, and charges, if temperature is less than 0 DEG C, enters next step；
Step 3：Charging circuit disconnects if temperature is less than 0 DEG C, and discharge circuit and heater circuit are closed, and are discharged, and utilize
Discharge energy to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2.
3. a kind of charging system of lithium-ion power battery system according to claim 2, which is characterized in that it includes filling
Circuit, discharge circuit, battery heater circuit and charging pile heater circuit, and include following procedure,
Step 1：Single battery Management Controller LECU reads temperature data；
Step 2：Judge whether temperature is less than 0 DEG C in battery pack, and charging circuit is closed if temperature is more than or equal to 0 DEG C, other electricity
Road disconnects, and charges, if temperature is less than 0 DEG C, enters next step；
Step 3：If temperature is less than 0 DEG C, judge whether battery capacity is more than 5%, if battery capacity is less than or equal to 5%, charging pile
Heater circuit is closed, other circuits disconnect, and charging pile heating enters next step if battery capacity is more than 5%；
Step 4：If battery capacity is more than 5%, discharge circuit and battery heater circuit are closed, other circuits disconnect, and battery is put
Electricity, and using discharge energy to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2, when battery electricity
Amount is less than or equal to 5%, return to step three.
4. a kind of charging system of lithium-ion power battery system according to claim 3, which is characterized in that it includes filling
Circuit, discharge circuit, battery heater circuit and charging pile heater circuit, and include following procedure,
Step 1：Single battery Management Controller LECU reads temperature data by temperature inductor；
Step 2：Judge whether temperature is less than 0 DEG C in battery pack, and if temperature is more than or equal to 0 DEG C, KA3 is closed, other relays
It disconnects, charges, if temperature is less than 0 DEG C, enter next step；
Step 3：If temperature is less than 0 DEG C, judge whether battery capacity is more than 5%, if battery capacity is closed less than or equal to 5%, KA5
It closes, other relays disconnect, and charging pile heating enters next step if battery capacity is more than 5%；
Step 4：It is closed if battery capacity is more than 5%, KA1 and KA4, other relays disconnect, battery discharge, and utilize and put
Electric flux to heating plate heat, when battery surface temperature be more than or equal to 0 DEG C, return to step 2, when battery capacity is less than or equal to
5%, return to step three.
5. a kind of charging system of lithium-ion power battery system according to claim 4, which is characterized in that the charging
Circuit, the discharge circuit, the battery heater circuit, the charging pile heater circuit, single battery Management Controller LECU
It is all connected to battery management system BMS with temperature inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313193.4A CN108493520A (en) | 2018-04-09 | 2018-04-09 | A kind of heating means of lithium-ion power battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313193.4A CN108493520A (en) | 2018-04-09 | 2018-04-09 | A kind of heating means of lithium-ion power battery system |
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| Publication Number | Publication Date |
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| CN108493520A true CN108493520A (en) | 2018-09-04 |
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ID=63315149
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810313193.4A Pending CN108493520A (en) | 2018-04-09 | 2018-04-09 | A kind of heating means of lithium-ion power battery system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501619A (en) * | 2018-11-19 | 2019-03-22 | 北京新能源汽车股份有限公司 | A kind of power battery method for controlling temperature rise, device, equipment and automobile |
| CN110194112A (en) * | 2019-04-28 | 2019-09-03 | 北京长城华冠汽车科技股份有限公司 | The control method and device of electric vehicle, storage medium, electronic equipment |
| CN111129659A (en) * | 2018-10-31 | 2020-05-08 | 河南森源重工有限公司 | Charging heating control method and system for vehicle battery |
| CN113022375A (en) * | 2021-05-08 | 2021-06-25 | 湖北亿纬动力有限公司 | Vehicle charging heat preservation method and device and new energy automobile |
| CN113328175A (en) * | 2021-05-28 | 2021-08-31 | 北京理工大学 | Battery heating system |
| CN114614164A (en) * | 2022-04-11 | 2022-06-10 | 中创新航科技股份有限公司 | Control method of heating film and temperature control system of battery pack |
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| CN102479982A (en) * | 2010-11-26 | 2012-05-30 | 上海鼎研智能科技有限公司 | Low-temperature charging method of secondary battery pack |
| CN103419650A (en) * | 2012-05-22 | 2013-12-04 | 比亚迪股份有限公司 | Electric automobile, power system thereof and battery heating method |
| CN103457318A (en) * | 2013-08-20 | 2013-12-18 | 重庆长安汽车股份有限公司 | Power cell charging and heating system and method of pure electric vehicle |
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| CN102479982A (en) * | 2010-11-26 | 2012-05-30 | 上海鼎研智能科技有限公司 | Low-temperature charging method of secondary battery pack |
| CN102315502A (en) * | 2011-08-19 | 2012-01-11 | 奇瑞汽车股份有限公司 | Device for heating battery of electric car and its control method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129659A (en) * | 2018-10-31 | 2020-05-08 | 河南森源重工有限公司 | Charging heating control method and system for vehicle battery |
| CN109501619A (en) * | 2018-11-19 | 2019-03-22 | 北京新能源汽车股份有限公司 | A kind of power battery method for controlling temperature rise, device, equipment and automobile |
| CN110194112A (en) * | 2019-04-28 | 2019-09-03 | 北京长城华冠汽车科技股份有限公司 | The control method and device of electric vehicle, storage medium, electronic equipment |
| CN113022375A (en) * | 2021-05-08 | 2021-06-25 | 湖北亿纬动力有限公司 | Vehicle charging heat preservation method and device and new energy automobile |
| CN113328175A (en) * | 2021-05-28 | 2021-08-31 | 北京理工大学 | Battery heating system |
| CN114614164A (en) * | 2022-04-11 | 2022-06-10 | 中创新航科技股份有限公司 | Control method of heating film and temperature control system of battery pack |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180904 |