CN110165334A - Heating method and heating device for battery system and battery system - Google Patents
Heating method and heating device for battery system and battery system Download PDFInfo
- Publication number
- CN110165334A CN110165334A CN201810145799.1A CN201810145799A CN110165334A CN 110165334 A CN110165334 A CN 110165334A CN 201810145799 A CN201810145799 A CN 201810145799A CN 110165334 A CN110165334 A CN 110165334A
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- Prior art keywords
- battery pack
- temperature
- energy
- battery
- storage units
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/60—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
-
- 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
Abstract
The present application relates to a heating method and a heating device for a battery system, and a battery system. The heating method comprises the following steps: obtaining the temperature T of the first battery pack1And the temperature T of the second battery pack2(ii) a Comparing the temperature T of the first battery pack1And the temperature T of the second battery pack2And a predetermined temperature T0If the temperature of one of the two battery packs is less than the preset temperature T0And if the charging time is shorter than the preset time, the first battery pack and the second battery pack are charged in turn, and if the charging time is shorter than the preset time, the charging is stopped. The method heats the battery pack from the inside of the battery pack in a charging mode, so that the heating rate of the battery pack is improved, and compared with an external heater and an internal heater which adopt a heat transfer mode, the processing difficulty and the manufacturing cost of a battery system are reduced.
Description
Technical field
This application involves battery technical field of heating more particularly to a kind of heating means of battery system, heating device and
Battery system.
Background technique
Currently, heating method of the battery in low temperature mainly includes external heating and internal heating, outside heating is usually
Heating device is arranged in external in battery, and the mode of logical heat transfer heats battery, and the mode of outside heating is due to heat transmission resistance
Greatly, the battery rate of heat addition is slow；Internal heating is usually that built-in heating sheet is arranged in inside battery, and built-in heating sheet, which can be promoted, to be added
Hot rate, still, built-in heating sheet increase the difficulty of battery manufacture again simultaneously, and manufacturing cost is higher.
Summary of the invention
This application provides a kind of heating means of battery system, heating device and battery systems, can be improved heating speed
Rate, and can reduce the manufacture difficulty of battery.
This application provides a kind of heating means of battery system, comprising the following steps:
Step S20 obtains the temperature T of the first battery pack1With the temperature T of the second battery pack2；
Step S40, by the temperature T of first battery pack1And the temperature T of second battery pack2With preset temperature T0Into
Row compares,
If the temperature T of first battery pack1Or the temperature T of second battery pack2Less than preset temperature T0, then hold
Row step S60, step S60, in 0-t1In period, by the first battery pack short circuit, in the short-circuit state, energy-storage units storage
Energy；In t1-t2In period, by the first battery pack open circuit, the energy-storage units are second battery pack charging；In t2-t3
In period, by the second battery pack short circuit, in the short-circuit state, the energy-storage units energy storage；In t3-t4It, will be described in period
The open circuit of second battery pack, energy-storage units are first battery pack charging；
If the temperature T of first battery pack1With the temperature T of second battery pack2It is all larger than or is equal to described default
Temperature T0, then stop being that first battery pack or second battery pack charge, and repeat step S20.
Optionally, in the step S60, first battery pack and second battery are controlled by pulse signal
Packet is in short-circuit condition and off state.
Optionally, in the step S60,
In the t1-t2It is the electric current one-way flow of second battery pack power supply in period,
In the t3-t4In period, for the electric current one-way flow of first battery pack power supply.
Optionally, in the step S20,
The temperature T of detection first battery pack1Specially detect the defeated of battery cell in first battery pack
The temperature of terminal out, and/or
The temperature T of detection second battery pack2Specially detect the defeated of battery cell in second battery pack
The temperature of terminal out.
The application offer additionally provides a kind of heating device of battery system, and the heating device is using described in any of the above-described
Heating means heat battery system, which includes:
Detection unit, the detection unit are used to detect the temperature T of the first battery pack1With the temperature T of the second battery pack2；
Judging unit, the judging unit are used for the temperature T of first battery pack1With the preset temperature T0's
Size and temperature T for second battery pack2With the preset temperature T0Size；
Energy-storage units, the energy-storage units are used to energy storage, in the 0-t1In period and the t2-t3It is described in period
Energy-storage units are connected with first battery pack, in the t1-t2In period and the t3-t4In period, the energy-storage units
It connects with second battery pack；And
Control unit, described control unit are used for:
As the temperature T of the first battery pack1Or the temperature T of second battery pack2Less than the preset temperature T0When, in 0-
t1In period, the first battery pack short circuit is controlled, and in the short-circuit state, controls the energy-storage units energy storage；In t1-t2When
In section, the first battery pack open circuit is controlled, controls energy-storage units as second battery pack charging；In t2-t3In period, control
The second battery pack short circuit is made, and in the short-circuit state, controls the energy-storage units energy storage；In t3-t4In period, institute is controlled
The open circuit of the second battery pack is stated, energy-storage units is controlled and charges for first battery pack,
As the temperature T of first battery pack1With the temperature T of second battery pack2It is all larger than or is equal to the default temperature
Spend T01, stop the charging process of first battery pack or second battery pack, and control the detection unit and execute institute
Step S20 is stated,
The energy-storage units are electrically connected with first battery pack and second battery pack respectively, and the detection is single
First, the described judging unit and described control unit communication connection.
Optionally, described control unit includes controller, the first pulse switch and the second pulse switch, first pulse
Switch and second pulse switch and the controller communicate to connect,
First pulse switch is connected with first battery pack, second pulse switch and second battery pack
Series connection.
It optionally, further include the first one-way guide flow device and the second one-way guide flow device,
The first one-way guide flow device is in parallel with first pulse switch, and the energy-storage units are single via described first
It powers to water conservancy diversion device to first battery pack,
The second one-way guide flow device is in parallel with second pulse switch, and the energy-storage units are single via described second
It powers to water conservancy diversion device to second battery pack.
Optionally, at least one of the first one-way guide flow device and the second one-way guide flow device are two poles
Pipe.
Optionally, the energy-storage units include inductance.
Present invention also provides a kind of battery systems, including at least two battery packs and heating described in any of the above embodiments
Device, each battery pack are electrically connected with the heating device.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
This application provides a kind of heating means of battery system, by comparing the temperature T of the first battery pack1With default temperature
Spend T0Size, the second battery pack temperature T2With preset temperature T0Size come control whether for the first battery pack and second electricity
Chi Bao charging, as the temperature T of the first battery pack1Or second battery pack temperature T2Less than preset temperature T0When, in the different periods
Inside charge in turn for the first battery pack and the second battery pack, that is, battery pack is heated from the inside of battery pack with charging, it should
Heating means had both improved the rate of heat addition of battery pack, compared to external heater and interior heater using hot delivery type
Speech, and reduce the difficulty of processing and manufacturing cost of battery system.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is the flow chart of the heating means of battery system provided by the embodiments of the present application；
Fig. 2 is the signal of the heating device of battery system provided by the embodiments of the present application and the circuit connection of each battery pack
Figure.
Appended drawing reference:
The first battery pack of 102-；
The second battery pack of 104-；
106- energy-storage units；
108- control unit；
1081- controller；
The first pulse switch of 1082-；
The second pulse switch of 1084-；
110- the first one-way guide flow device；
112- the second one-way guide flow device.
200- battery management system.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
This application provides a kind of heating means of battery system, battery system may include multiple battery packs, the application
For including the battery system of two battery packs, the heating means of battery system provided by the present application are described in detail,
However, it should be understood that the quantity of battery pack is not limited only to two in battery system, it can also be three, four or more
It is multiple.
As shown in Figure 1, the heating means of the battery system the following steps are included:
Step S20 obtains the temperature T of the first battery pack1With the temperature T of the second battery pack2, for battery pack, packet
Multiple battery cells are included, when temperature detecting point is set in each battery pack, it is contemplated that the output terminal of battery cell compares battery
The temperature at other positions in packet is lower, therefore, in the temperature T for obtaining the first battery pack1With the temperature T of the second battery pack2
When, preferable mode is that temperature detecting point is arranged on output terminal, especially on positive output terminal, and the temperature being arranged
The quantity for spending test point is preferably plurality of, minimum with one of them when the temperature of the output terminal of each battery cell is not identical
Temperature T of the temperature value as the first battery pack1Or second battery pack temperature T2, the temperature of obtained battery pack is detected in this way
Relatively accurate, the judgment basis for whether needing to heat as battery system is relatively reliable.
Get the temperature T of the first battery pack1With the temperature T of the second battery pack2Value after, execute judgment step S40, sentence
The temperature T of disconnected first battery pack1With preset temperature T0Size and judge the temperature T of the second battery pack2With preset temperature T0's
Size.
If the temperature T of the first battery pack1Or second battery pack temperature T2Less than preset temperature T0, at this time, it may be necessary to
One battery pack and the heating of the second battery pack, specifically, step S60 is executed, in 0-t1It is in period, the first battery pack is short-circuit,
In the short-circuit state, the first battery pack is the energy-storage units charging in short-circuit loop, and portion of energy converts in the first battery pack
For Joule heat, rest part energy stores are in energy-storage units；In t1-t2In period, by the open circuit of the first battery pack, the energy storage list
Member connect to form electrical connection circuit with the second battery pack, at this point, the energy in energy-storage units is the charging of the second battery pack, the part
Energy is converted to Joule heat in the second battery pack；In t2-t3In period, by the short circuit of the second battery pack, in the short-circuit state, the
Two battery packs are energy-storage units charging, and portion of energy is converted to Joule heat in the second battery pack, and rest part energy stores exist
In energy-storage units；In t3-t4In period, by the second battery pack open circuit, energy-storage units connect to be formed and be electrically connected with the first battery pack
Road is taken back, at this point, energy-storage units are first battery pack charging, which is converted to joule in the first battery pack
Heat.
If the temperature T of the first battery pack1With the temperature T of the second battery pack2It is all larger than preset temperature T0, then stop first
The charging process of battery pack and the second battery pack, and step S20 is repeated, remain the temperature T to the first battery pack1With
The temperature T of two battery packs2Detection, and reacquire the first battery pack temperature T1With the temperature T of the second battery pack2, for example,
Every time interval for executing a step S20 can be set according to the specifically used environment of battery system.
According to above description, when the temperature of one of battery pack in battery system is lower than preset temperature, should add
Hot method can heat each battery pack from the inside of each battery pack, that is, utilize the short circuit electricity circulated in battery cell
Circulation turns to this principle of Joule heat, without built-in heating sheet is arranged in the inside of battery system and utilizes the side of heat transfer
Formula heats battery cell and battery pack, improves the rate of heat addition, and reduce the difficulty of processing and manufacturing cost of battery system.
It is selectable, in step S60, the first battery pack can be controlled by pulse signal and the second battery pack is in
Off state, pulse signal are control signal, can be with the rate-adaptive pacemaker control instruction of demand, thus the first battery pack of control
Or second battery pack by the short circuit of set frequency or open circuit, to realize that the temperature of each battery pack gradually rises in the case where controllable
Height, avoiding the first battery pack or the second battery pack, short circuit damages the battery cell in battery pack for a long time.
In order to guarantee that the energy being stored in energy-storage units is all supplied to battery pack, in step S60, in t1-t2Period
Interior, the electric current for the power supply of the second battery pack only can be with one-way flow, in t3-t4In period, for the first battery pack power supply electric current only
It can be with one-way flow.That is, in t1-t2In period, energy-storage units only connect to form electrical connection circuit with the second battery pack,
At this point, the energy in energy-storage units can be all for charging, so that more energy are in the second battery for the second battery pack
It is converted to Joule heat in packet, improves efficiency；Similarly, in t3-t4In period, energy-storage units only connect to form electricity with the first battery pack
Link circuit improves efficiency so that more energy are converted to Joule heat in the first battery pack.
Based on the heating means of above-mentioned battery system, present invention also provides a kind of heating devices of battery system, such as
Shown in Fig. 2, for the application by taking battery system includes the first battery pack 102 and the second battery pack 104 as an example, which includes inspection
Survey unit (not shown), judging unit (not shown), energy-storage units 106 and control unit 108.
Wherein, detection unit is used to detect the temperature T of the first battery pack 1021With the temperature T of the second battery pack 1042；Judgement
Unit is used to compare the temperature T of the first battery pack 1021With preset temperature T0And for comparing the temperature T of the second battery pack 1042
With preset temperature T0；Energy-storage units 106 are used to energy storage, in 0-t1In period and t2-t3In period, energy-storage units and the first battery
Packet series connection, in t1-t2In period and t3-t4In period, energy-storage units are connected with the second battery pack.
The heating device can heat each battery pack from the inside of each battery pack, that is, using circulating in battery list
Intracorporal short circuit current is converted into this principle of Joule heat, without built-in heating sheet and benefit is arranged in the inside of battery system
Battery cell and battery pack are heated with the mode of heat transfer, improves the rate of heat addition, and reduces the difficulty of processing of battery system
And manufacturing cost.
According to one embodiment, control unit 108 includes controller 1081 and the first pulse switch 1082 and the second pulse
Switch 1083, controller 1081 are communicated to connect with the first pulse switch 1082 and the second pulse switch 1083 respectively, the first pulse
Switch 1082, the first battery pack 102 and the series connection of energy-storage units 106 form a series loop, the second pulse switch 1083, the
Two battery packs 104 and the series connection of energy-storage units 106 form a series loop.
Control unit 108 and detection unit and judging unit communicate to connect, and control unit 108 is obtained according to detection unit
To the judgement made of data and judging unit issue corresponding control instruction:
As the temperature T of the first battery pack 1021With the temperature T of the second battery pack 1042Less than preset temperature T0When, in 0-t1
In period, the second pulse switch 1083 is in an off state, and controller 1081 controls the first pulse switch 1082 closure, at this point,
First battery pack, 102 short circuit, in the short-circuit state, the first battery pack 102 is discharged under high current, and in the first battery pack 102
It is inside converted to Joule heat, meanwhile, 106 energy storage of energy-storage units, portion of energy is stored in energy-storage units 106, realizes to first
The heating of battery pack 102；In t1-t2In period, controller 1081 controls the first pulse switch 1082 and disconnects, at this point, the first battery
102 open circuit of packet, energy-storage units 106 release energy, since the potential of the first battery pack 102 is higher than the potential of energy-storage travelling wave tube 106, storage
Energy element 106 is electrically connected circuit with the formation of the second battery pack 104, to be stored in energy-storage travelling wave tube for the charging of the second battery pack 104
Energy in 106 can be converted to Joule heat in the second battery pack 104, to realize the heating of the second battery pack 106；?
t2-t3In period, controller 1081 controls the second pulse switch 1083 and connects, 104 short circuit of the second battery pack, in the short-circuit state,
Second battery pack 104 is discharged under high current, and is converted to Joule heat in the second battery pack 104, meanwhile, energy-storage units 106
Energy storage, portion of energy are stored in energy-storage units 106, realize the heating to the second battery pack 104；In t3-t4In period, control
Device 1081 processed controls the second pulse switch 1083 and disconnects, 104 open circuit of the second battery pack, energy-storage units 106 and the first battery pack 102
Electrical connection circuit is formed, and is charged for the first battery pack 102, the energy being stored in energy-storage travelling wave tube 106 can be in the first battery
It is converted to Joule heat in packet 102, to realize the heating of the first battery pack 102；
As the temperature T of the first battery pack 1021With the temperature T of the second battery pack 1042It is all larger than or is equal to preset temperature T0
When, stop the charging process of the first battery pack 102 and the second battery pack 104, also, control detection unit and repeat step
S20, in real time to the temperature T of the first battery pack 1021With the temperature T of the second battery pack 1042It is detected.
In above scheme, the first pulse switch 1082 and the second pulse switch 1083 are used for return pulse signal, controller
The duty ratio and frequency of 1081 adjustable pulse signals connect to control the first pulse switch 1082 and the second pulse switch 1083
On-off is opened, and to realize that the temperature of each battery pack gradually rises in the case where controllable, ensure that battery system in heating process
In safety.
First pulse switch 1082 or the second pulse switch can use insulated gate bipolar transistor, MOS field crystal
Pipe, but it is not limited only to this.
Further, which further includes the first one-way guide flow device 110 and the second one-way guide flow device 112, and first
One-way guide flow device 110 is in parallel with the first pulse switch 1082, in t3-t4In period, energy-storage units 106 are unidirectionally led via first
Stream device 110 is powered to the first battery pack 102, and the second one-way guide flow device 112 is in parallel with the second pulse switch 1083, in t1-t2
In period, energy-storage units 106 are powered via the second one-way guide flow device 112 to the second battery pack 104.After being arranged in this way, in t1-
t2In period, the electric current for the power supply of the second battery pack 104 only can be with one-way flow, in t3-t4It is the first battery pack 102 in period
The electric current of power supply only can be with one-way flow.That is, in t1-t2In period, energy-storage units 106 only connect with the second battery pack 104
It connects to form electrical connection circuit, at this point, energy in energy-storage units 106 can all be used to charge for the second battery pack 104, so that
It obtains more energy and is converted to Joule heat in the second battery pack 104, improve efficiency；Similarly, in t3-t4In period, energy-storage units
106 only connect formation electrical connection circuit with the first battery pack 102, so that the more energy in energy-storage units 106 is in the first electricity
It is converted to Joule heat in pond packet 102, is improved efficiency.
At least one of first one-way guide flow device 110 and the second one-way guide flow device 120 can be set to diode,
Diode is the electronic device of unidirectional conduction electric current, it can be ensured that the electric current one-way flow in circuit.In some other embodiment
In, the first one-way guide flow device 110 and the second one-way guide flow device 120 can also use other one-way guide flow devices, and not only
It is limited to diode.
Energy-storage units 106 can be set to inductance, and inductance is helix tube, electric energy can be converted into electromagnetic energy and stored
Get up, energy-storage units 106 can also use other energy-storage travelling wave tubes, such as capacitor.It, can be right according to the difference of energy-storage units 106
The circuit connecting relation of the heating device carries out the adjustment of adaptability.
In the application, control unit 108, detection unit and judging unit can integrate the electronic die being an integral structure
Block.
Present invention also provides a kind of battery system, which includes at least two battery packs and any of the above-described
Heating device in embodiment, each battery pack are electrically connected with heating device.For example, when battery system includes four battery packs
When, every two battery pack can be set to one group, and be added using above-mentioned heating device and heating means to each battery pack
Heat.
Battery system can also include battery management system 200, and battery management system 200 and heating device communicate to connect.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of heating means of battery system, which comprises the following steps:
Step S20 obtains the temperature T of the first battery pack1With the temperature T of the second battery pack2；
Step S40, by the temperature T of first battery pack1And the temperature T of second battery pack2With preset temperature T0Compared
Compared with,
If the temperature T of first battery pack1Or the temperature T of second battery pack2Less than preset temperature T0, then step is executed
Rapid S60,
Step S60, in 0-t1In period, by the first battery pack short circuit, in the short-circuit state, energy-storage units energy storage；In t1-
t2In period, by the first battery pack open circuit, the energy-storage units are second battery pack charging；In t2-t3In period,
By the second battery pack short circuit, in the short-circuit state, the energy-storage units energy storage；In t3-t4In period, by second electricity
Pond packet open circuit, energy-storage units are first battery pack charging；
If the temperature T of first battery pack1With the temperature T of second battery pack2It is all larger than or is equal to the preset temperature
T0, then stop being that first battery pack or second battery pack charge, and repeat step S20.
2. the heating means of battery system according to claim 1, which is characterized in that in the step S60, pass through arteries and veins
It rushes signal control first battery pack and second battery pack is in short-circuit condition and off state.
3. the heating means of battery system according to claim 1, which is characterized in that in the step S60,
In the t1-t2It is the electric current one-way flow of second battery pack power supply in period,
In the t3-t4In period, for the electric current one-way flow of first battery pack power supply.
4. the heating means of battery system according to claim 1, which is characterized in that in the step S20,
The temperature T of detection first battery pack1Specially detect the output terminal of battery cell in first battery pack
Temperature, and/or
The temperature T of detection second battery pack2Specially detect the output terminal of battery cell in second battery pack
Temperature.
5. a kind of heating device of battery system, which is characterized in that the heating device is used as described in claim any one of 1-4
Heating means heat battery system, which includes:
Detection unit, the detection unit are used to detect the temperature T of the first battery pack1With the temperature T of the second battery pack2；
Judging unit, the judging unit are used for the temperature T of first battery pack1With the preset temperature T0Size
With the temperature T for second battery pack2With the preset temperature T0Size；
Energy-storage units, the energy-storage units are used to energy storage, in the 0-t1In period and the t2-t3In period, the energy storage
Unit is connected with first battery pack, in the t1-t2In period and the t3-t4In period, the energy-storage units and institute
State the series connection of the second battery pack；And
Control unit, described control unit are used for:
As the temperature T of the first battery pack1Or the temperature T of second battery pack2Less than the preset temperature T0When, in 0-t1Period
It is interior, the first battery pack short circuit is controlled, and in the short-circuit state, control the energy-storage units energy storage；In t1-t2In period, control
The first battery pack open circuit is made, controls energy-storage units as second battery pack charging；In t2-t3In period, described the is controlled
The short circuit of two battery packs, and in the short-circuit state, control the energy-storage units energy storage；In t3-t4In period, second electricity is controlled
Pond packet open circuit, controls energy-storage units and charges for first battery pack,
As the temperature T of first battery pack1With the temperature T of second battery pack2It is all larger than or is equal to the preset temperature
T01, stop the charging process of first battery pack or second battery pack, and control described in the detection unit execution
Step S20,
The energy-storage units are electrically connected with first battery pack and second battery pack respectively, the detection unit, institute
State judging unit and described control unit communication connection.
6. the heating device of battery system according to claim 5, which is characterized in that described control unit includes control
Device, the first pulse switch and the second pulse switch, first pulse switch and second pulse switch and the control
Device communication connection,
First pulse switch is connected with first battery pack, second pulse switch and the second battery pack string
Connection.
7. the heating device of battery system according to claim 5, which is characterized in that further include the first one-way guide flow device
With the second one-way guide flow device,
The first one-way guide flow device is in parallel with first pulse switch, and the energy-storage units are unidirectionally led via described first
Stream device is powered to first battery pack,
The second one-way guide flow device is in parallel with second pulse switch, and the energy-storage units are unidirectionally led via described second
Stream device is powered to second battery pack.
8. the heating device of battery system according to claim 7, which is characterized in that the first one-way guide flow device with
At least one of described second one-way guide flow device is diode.
9. according to the heating device of the described in any item battery systems of claim 5-8, which is characterized in that the energy-storage units packet
Include inductance.
10. a kind of battery system, which is characterized in that including at least two battery packs and as described in claim any one of 5-9
Heating device, each battery pack is electrically connected with the heating device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145799.1A CN110165334B (en) | 2018-02-12 | 2018-02-12 | Heating method and heating device for battery system and battery system |
| PCT/CN2018/124863 WO2019153947A1 (en) | 2018-02-12 | 2018-12-28 | Heating method and heating device for battery system and battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145799.1A CN110165334B (en) | 2018-02-12 | 2018-02-12 | Heating method and heating device for battery system and battery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110165334A true CN110165334A (en) | 2019-08-23 |
| CN110165334B CN110165334B (en) | 2020-07-24 |
Family
ID=67547890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810145799.1A Active CN110165334B (en) | 2018-02-12 | 2018-02-12 | Heating method and heating device for battery system and battery system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110165334B (en) |
| WO (1) | WO2019153947A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113937848A (en) * | 2021-09-27 | 2022-01-14 | 东集技术股份有限公司 | Battery charging control device and battery charging control method |
| CN114256537A (en) * | 2021-11-18 | 2022-03-29 | 岚图汽车科技有限公司 | Battery heating method, battery heating system and vehicle |
| CN114374199A (en) * | 2022-01-24 | 2022-04-19 | 阳光电源股份有限公司 | Energy storage system |
| WO2023071162A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Self-heating control circuit and system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021124232A1 (en) * | 2021-09-20 | 2023-03-23 | Bayerische Motoren Werke Aktiengesellschaft | Method of operating an electrical circuit device and electrical circuit device |
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| US6259229B1 (en) * | 1998-04-30 | 2001-07-10 | Daimlerchrysler Corporation | Circulating current battery heater |
| US6882061B1 (en) * | 1998-12-31 | 2005-04-19 | Daimlerchrysler Corporation | Battery self-warming mechanism using the inverter and the battery main disconnect circuitry |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937848A (en) * | 2021-09-27 | 2022-01-14 | 东集技术股份有限公司 | Battery charging control device and battery charging control method |
| WO2023071162A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Self-heating control circuit and system |
| CN114256537A (en) * | 2021-11-18 | 2022-03-29 | 岚图汽车科技有限公司 | Battery heating method, battery heating system and vehicle |
| CN114374199A (en) * | 2022-01-24 | 2022-04-19 | 阳光电源股份有限公司 | Energy storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110165334B (en) | 2020-07-24 |
| WO2019153947A1 (en) | 2019-08-15 |
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