CN108987853A - A kind of power battery pack low-temperature heat charging system and charging method - Google Patents
A kind of power battery pack low-temperature heat charging system and charging method Download PDFInfo
- Publication number
- CN108987853A CN108987853A CN201810964665.2A CN201810964665A CN108987853A CN 108987853 A CN108987853 A CN 108987853A CN 201810964665 A CN201810964665 A CN 201810964665A CN 108987853 A CN108987853 A CN 108987853A
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- China
- Prior art keywords
- battery pack
- power battery
- charging
- temperature
- mould group
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000007600 charging Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 84
- 230000005611 electricity Effects 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- GOPYZMJAIPBUGX-UHFFFAOYSA-N [O-2].[O-2].[Mn+4] Chemical class [O-2].[O-2].[Mn+4] GOPYZMJAIPBUGX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient 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
- H01M10/60—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
-
- H02J7/0091—
-
- 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)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention proposes a kind of power battery pack low-temperature heat charging system and charging method, by being arranged heating module is spiral inside battery modules and outside is so that the efficiency of heating module heating improves reduces heating time;Meanwhile according to the remaining electricity of the power battery pack, energy source of the power battery pack as heating module preferentially is selected, only when power battery pack not enough power supply, then external charge mould group is accessed and charges to the heating module;Further, it is also possible to which the charging module of the charging module of the power battery pack and the heating module is combined into one, the quantity of charging module has been simplified, can also reduce the cost of low temperature charging to a certain extent.
Description
Technical field
Rechargeable battery field of the present invention, more particularly, to a kind of power battery pack low-temperature heat charging system and charging side
Method.
Background technique
Power battery refers to for the power supply in powered tools source, be applied to more electric car, electric train, it is electronic from
Driving, golf cart etc. provide the battery of power as it.According to positive and negative pole material different demarcation used, power electric
Pond generally comprises zinc series cell, nickel series battery, lead series battery, lithium series battery, manganese dioxide series battery and sky
Gas series battery, compared to other series batteries, lithium battery has operating voltage high, and specific energy is high, has extended cycle life, self discharge
The advantages that small and feature of environmental protection is high, but its in cryogenic conditions to there is charging slow, or even the problem of can not charge.
To solve the problems, such as the hardly possible that charges under cryogenic conditions, usually by the way that one or heating module are arranged in battery pack,
Heating module is usually attached to the side or two sides of battery pack, is heated by way of heat transfer for battery pack, heat efficiency
Difference, the time is long, and the controllability of temperature is low;In addition, in addition to the charging unit for laying battery pack, it is also necessary to additionally install heating module additional
Charging unit, lay complicated, low temperature charging cost is higher.
Summary of the invention
To solve the above problems, the invention proposes a kind of power battery pack low-temperature heat charging system and charging methods.
Main contents of the invention include:
A kind of power battery pack low-temperature heat charging system, including power battery pack, heating module, parameter detecting mould group,
Charging module and controller;
The power battery pack is connected by first switch mould group with the heating module;The charging module is led to respectively
It crosses second switch mould group and third switching molding group is connected with the heating module and the power battery pack;
The controller controls the first switch mould group, the on-off of second switch mould group and third switching molding group;Work as institute
The temperature and electricity while when being less than its corresponding setting value of power battery pack are stated, the controller controls the second switch mould
Group conducting, provides the energy using the charging module for the heating module;When the electricity of the power battery pack is not less than it
Setting value, and when at a temperature below its setting value, the controller controls the first switch mould group conducting, uses the power
Battery pack provides energy source for the heating module;When the temperature of the power battery pack is higher than its setting value, the control
Device processed controls the third switching molding group conducting, the use of the charging module is power battery pack charging;
The parameter detecting mould group is connected with the controller and the power battery pack, for detecting the power electric
The state of pond group;
The heating module is twist arranged for heating for the power battery pack.
Preferably, the heating module is heating sheet, heating film and heating plate;The heating module includes vertical section and water
Flat section, the vertical section are arranged inside the power battery pack, and the horizontal segment is arranged outside the power battery pack end
Side.
Preferably, the power battery pack includes several battery units, and the battery unit is arranged successively, and adjacent two
The battery unit is one group;The vertical section of the heating module is arranged between the battery unit of two adjacent groups, described
The horizontal segment of heating module be arranged in every group described in battery unit end.
Preferably, the parameter detecting mould group includes electric power detection unit and temperature detecting unit, the electric power detection list
Member is for measuring the state of charge of the power battery pack;The temperature detecting unit is for detecting the power battery pack and institute
State the state of temperature of heating sheet mould group.
Preferably, the electric power detection unit is electric power detection chip;The temperature detecting unit is multiple temperature sensing
Device.
Preferably, the charging module includes that multiple electric current output sub-interfaces and an electric current export total interface, the electricity
Stream exports total interface and connect respectively with the power battery pack and the heating module;Multiple electric current output sub-interfaces pass through
Charge switch exports total interface with the electric current and connect.
Preferably, the first switch mould group, second switch mould group and third switching molding group are relay or electronics
Switch.
The invention also provides the charging methods based on above-mentioned power battery pack low-temperature heat charging system, including walk as follows
It is rapid:
S1. the temperature of power battery pack is obtained;When the temperature of the power battery pack is higher than its setting value, the controller
The third switching molding group conducting is controlled, the charging module power battery pack charging is made;When the power battery pack
Temperature be lower than its setting value, then perform the next step;
S2. the electricity of power battery pack is obtained;When the electricity of the power battery pack is not less than its setting value, the control
Device processed controls the first switch conducting and provides energy source so that the power battery pack is discharged for the heating module;When
When the electricity of the power battery pack is lower than its setting value, the controller controls the second switch mould group conducting, makes described
Charging module provides energy source for the heating module.
The beneficial effects of the present invention are: the invention proposes a kind of power battery pack low-temperature heat charging system and chargings
Method, by being arranged heating module is spiral inside battery modules and outside, so that the efficiency of heating module heating mentions
Height reduces heating time;Meanwhile according to the remaining electricity of the power battery pack, preferentially select power battery pack as adding
The energy source of thermal module, only when power battery pack not enough power supply, then access external charge mould group to the heating module into
Row charging;Further, it is also possible to the charging module of the charging module of the power battery pack and the heating module is combined into one,
The quantity of charging module has been simplified, can also reduce the cost of low temperature charging to a certain extent.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the structural schematic diagram of heating module of the present invention setting.
Specific embodiment
The technical solution protected below in conjunction with attached drawing to the present invention illustrates.
Fig. 1 is please referred to Fig. 2.As shown in Figure 1, the invention proposes a kind of power battery pack low-temperature heat charging system,
Including power battery pack 2, heating module 1 and parameter detecting mould group, charging module and controller, wherein the heating module
Be tightly attached to the outside of the power battery pack 2, specifically, as shown in Fig. 2, the heating module 1 is twist arranged, for for
The power battery pack 2 heats, and in the present embodiment, the heating module 1 includes vertical section 11 and horizontal segment 12, wherein institute
The inside that vertical section 11 is located at the power battery pack 2 is stated, the end of the power battery pack 2 is arranged in the horizontal segment 12;
The power battery pack 2 includes several battery units 20 being arranged successively in one of the embodiments,;The battery unit 20
It include the battery of several longitudinal arrangements, several battery units 20 are transversely arranged;The heating module includes several heating
Unit, as shown in Fig. 2, several heating units are L-shaped, adjacent battery is arranged in the vertical section 11 of the heating unit
Between unit 20, and the end of battery unit 20 is arranged in the horizontal segment 12 of the heating unit;Further, adjacent two
A battery unit 20 is one group, and the battery list of the two adjacent groups is arranged in the vertical section 11 of the heating module 1
Member 20 between, and its horizontal segment 12 be then arranged in every group described in battery unit end.
The heating module 1 transmits heat to the power battery pack 2 in the form of heat radiation in one of the embodiments,
Amount keeps the power battery pack 2 heated more evenly;The heating module 1 can be heating sheet, in heating film or heating plate
It is a kind of.
The energy source of the heating module can generally be provided by the charging module outside power battery pack, at this
In invention, the energy source of the heating module is provided by the power battery pack first, specifically, the electricity of the heating module
Source input interface is connected with the power output interface of the power battery pack by first switch mould group;Meanwhile the heated mould
The power input interface of group also passes through second switch mould group and is connected with charging module;The controller is opened for controlling described first
The opening and closing of Guan Mo group and the second switch mould group;When the parameter detecting mould group detect the power battery pack electricity and
When temperature is less than its corresponding setting value simultaneously, the controller controls the second switch mould group conducting, is by charging module
The heating module provides energy source, can be the power battery pack heating;And when the parameter detecting mould group is examined
The temperature of the power battery pack is measured lower than its setting value, and the electricity of the power battery pack is set not less than its electricity
Value, the controller controls the first switch mould group conducting, so that the power battery pack provides energy for the heating module
Measure source;When the temperature of the power battery pack reaches chargeable temperature, controller controls the power battery pack or fills
Electric mould group stops providing energy source for the heating module, then starts to charge for power battery pack.
In order to further simplify structure, by the heating module set of the charging module of power battery pack and the heating module
In a charging module, specifically, the charging module includes that multiple electric current output sub-interfaces and an electric current output are total
Interface, the electric current exports total interface and is connected respectively with the power battery pack and the heating module, and multiple electricity
Stream output sub-interface exports total interface with the electric current by charge switch and connect;Meanwhile in the power battery pack and described
Third switching molding group is provided between charging module, when the temperature of the power battery pack is not less than setting value, the control
Device can control the third switching molding group to be connected, and make the charging module power battery pack charging;Each electricity
Stream output sub-interface exports the selection that total interface is connected with the electric current and is determined by the controller, when charging module needs for institute
When stating heating module charging, controller selects corresponding electric current output sub-interface and the electric current to export the charging between total interface
Switch conduction, meanwhile, the second switch mould group is connected;The output electric current of i.e. different electric current output sub-interfaces is different;?
In one embodiment, the quantity of electric current output sub-interface can be 2, a corresponding heating module, a corresponding power
Battery pack;In other embodiments, the quantity of electric current output sub-interface can be multiple, it can be divided into two groups, one group of correspondence
Heating module, one group of corresponding power battery pack, and the interface including multiple and different output electric currents in every group, to increase charging module
Versatility.
It the first switch mould group in one of the embodiments, second switch mould group and third switching molding group and fills
Electric switch is the electronic switches such as relay or MOSFET.
The parameter detecting mould group includes electric power detection unit and temperature detecting unit, institute in one of the embodiments,
Electric power detection unit is stated for measuring the state of charge of the power battery pack;The temperature detecting unit is described dynamic for detecting
The state of temperature of power battery pack and the heating sheet mould group;Preferably, the electric power detection unit is electric power detection chip;It is described
Temperature detecting unit is multiple temperature sensors.
The invention also provides the charging methods based on above-mentioned power battery pack low-temperature heat charging system, including walk as follows
It is rapid:
S1. the temperature of power battery pack is obtained;When the temperature of the power battery pack is higher than its setting value, the controller
The third switching molding group conducting is controlled, the charging module power battery pack charging is made;When the power battery pack
Temperature be lower than its setting value, then perform the next step;
S2. the electricity of power battery pack is obtained;When the electricity of the power battery pack is not less than its setting value, the control
Device processed controls the first switch conducting and provides energy source so that the power battery pack is discharged for the heating module;When
When the electricity of the power battery pack is lower than its setting value, the controller controls the second switch mould group conducting, makes described
Charging module provides energy source for the heating module.
It is described after the temperature of the power battery pack reaches chargeable temperature after the heating of the heating module
Controller controls the third switching molding group conducting, so that the charging module is power battery pack charging.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of power battery pack low-temperature heat charging system, which is characterized in that including power battery pack, heating module, parameter
Detect mould group, charging module and controller;
The power battery pack is connected by first switch mould group with the heating module;The charging module passes through respectively
Two switching molding groups and third switching molding group are connected with the heating module and the power battery pack;
The controller controls the first switch mould group, the on-off of second switch mould group and third switching molding group;When described dynamic
When the temperature and electricity of power battery pack are less than its corresponding setting value simultaneously, the controller controls the second switch mould group and leads
It is logical, the energy is provided using the charging module for the heating module;When the electricity of the power battery pack is not less than its setting
Value, and when at a temperature below its setting value, the controller controls the first switch mould group conducting, uses the power battery
Group provides energy source for the heating module;When the temperature of the power battery pack is higher than its setting value, the controller
The third switching molding group conducting is controlled, the use of the charging module is power battery pack charging;
The parameter detecting mould group is connected with the controller and the power battery pack, for detecting the power battery pack
State;
The heating module is twist arranged, for heating for the power battery pack.
2. a kind of power battery pack low-temperature heat charging system according to claim 1, which is characterized in that the heated mould
Group is heating sheet, heating film and heating plate;The heating module includes vertical section and horizontal segment, and the vertical section is arranged described
Inside power battery pack, the horizontal segment is arranged on the outside of the power battery pack end.
3. a kind of power battery pack low-temperature heat charging system according to claim 2, which is characterized in that the power electric
Pond group includes several battery units, and the battery unit is arranged successively, and two adjacent battery units are one group;It is described to add
The vertical section of thermal module is arranged between the battery unit of two adjacent groups, and the horizontal segment of the heating module is arranged at every group
The end of the battery unit.
4. a kind of power battery pack low-temperature heat charging system according to claim 1, which is characterized in that the parameter inspection
Surveying mould group includes electric power detection unit and temperature detecting unit, and the electric power detection unit is for measuring the power battery pack
State of charge;The temperature detecting unit is used to detect the state of temperature of the power battery pack and the heating sheet mould group.
5. a kind of power battery pack low-temperature heat charging system according to claim 4, which is characterized in that the electricity inspection
Survey unit is electric power detection chip;The temperature detecting unit is multiple temperature sensors.
6. a kind of power battery pack low-temperature heat charging system according to claim 1, which is characterized in that the charging mould
Group includes multiple electric currents output sub-interface and electric current exports total interface, the electric current export total interface respectively with the power
Battery pack is connected with the heating module;Multiple electric current output sub-interfaces are always connect by charge switch and electric current output
Mouth connection.
7. a kind of power battery pack low-temperature heat charging system according to claim 1, which is characterized in that described first opens
Guan Mo group, second switch mould group and third switching molding group are relay or electronic switch.
8. a kind of charging method of power battery pack low temperature charging system as described in claim 1 to 7 is any, feature exist
In including the following steps:
S1. the temperature of power battery pack is obtained;When the temperature of the power battery pack is higher than its setting value, the controller control
The third switching molding group conducting makes the charging module power battery pack charging;When the temperature of the power battery pack
Degree is lower than its setting value, then performs the next step;
S2. the electricity of power battery pack is obtained;When the electricity of the power battery pack is not less than its setting value, the controller
It controls the first switch conducting and provides energy source so that the power battery pack is discharged for the heating module;When described
When the electricity of power battery pack is lower than its setting value, the controller controls the second switch mould group conducting, makes the charging
Mould group provides energy source for the heating module.
Priority Applications (1)
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CN201810964665.2A CN108987853A (en) | 2018-08-23 | 2018-08-23 | A kind of power battery pack low-temperature heat charging system and charging method |
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CN201810964665.2A CN108987853A (en) | 2018-08-23 | 2018-08-23 | A kind of power battery pack low-temperature heat charging system and charging method |
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CN108987853A true CN108987853A (en) | 2018-12-11 |
Family
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CN201810964665.2A Pending CN108987853A (en) | 2018-08-23 | 2018-08-23 | A kind of power battery pack low-temperature heat charging system and charging method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022016871A1 (en) * | 2020-07-20 | 2022-01-27 | 广州汽车集团股份有限公司 | Battery heating system, battery device and electric vehicle |
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JPH10284133A (en) * | 1997-04-08 | 1998-10-23 | Sony Corp | Battery pack and its charging method |
CN102324590A (en) * | 2011-04-29 | 2012-01-18 | 华南师范大学 | Temperature controlling system and method used during lithium ion power battery pack charging or discharging procedure |
CN104409785A (en) * | 2014-11-27 | 2015-03-11 | 苏州贝多环保技术有限公司 | Electric vehicle battery management system and management method |
CN105553012A (en) * | 2015-12-31 | 2016-05-04 | 惠州市亿能电子有限公司 | Low-temperature charging control system and control method |
US20170008419A1 (en) * | 2015-07-08 | 2017-01-12 | Atieva, Inc. | Method and Apparatus for Selectively Heating Individual Battery Modules Within a Battery Pack |
CN107953795A (en) * | 2017-12-05 | 2018-04-24 | 上海航天电源技术有限责任公司 | A kind of power battery pack low-temperature charging method |
CN209119278U (en) * | 2018-08-23 | 2019-07-16 | 苏州德凌迅动力科技有限公司 | A kind of power battery pack low-temperature heat charging system |
-
2018
- 2018-08-23 CN CN201810964665.2A patent/CN108987853A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10284133A (en) * | 1997-04-08 | 1998-10-23 | Sony Corp | Battery pack and its charging method |
CN102324590A (en) * | 2011-04-29 | 2012-01-18 | 华南师范大学 | Temperature controlling system and method used during lithium ion power battery pack charging or discharging procedure |
CN104409785A (en) * | 2014-11-27 | 2015-03-11 | 苏州贝多环保技术有限公司 | Electric vehicle battery management system and management method |
US20170008419A1 (en) * | 2015-07-08 | 2017-01-12 | Atieva, Inc. | Method and Apparatus for Selectively Heating Individual Battery Modules Within a Battery Pack |
CN105553012A (en) * | 2015-12-31 | 2016-05-04 | 惠州市亿能电子有限公司 | Low-temperature charging control system and control method |
CN107953795A (en) * | 2017-12-05 | 2018-04-24 | 上海航天电源技术有限责任公司 | A kind of power battery pack low-temperature charging method |
CN209119278U (en) * | 2018-08-23 | 2019-07-16 | 苏州德凌迅动力科技有限公司 | A kind of power battery pack low-temperature heat charging system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022016871A1 (en) * | 2020-07-20 | 2022-01-27 | 广州汽车集团股份有限公司 | Battery heating system, battery device and electric vehicle |
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