CN105680113B - Electric automobile power battery temperature treatment control system - Google Patents
Electric automobile power battery temperature treatment control system Download PDFInfo
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- CN105680113B CN105680113B CN201610177338.3A CN201610177338A CN105680113B CN 105680113 B CN105680113 B CN 105680113B CN 201610177338 A CN201610177338 A CN 201610177338A CN 105680113 B CN105680113 B CN 105680113B
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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
- H01M10/613—Cooling or keeping cold
-
- 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
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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)
- Secondary Cells (AREA)
- Automation & Control Theory (AREA)
Abstract
A kind of electric automobile power battery temperature treatment control system, including battery pack, controller of battery management system, distance increasing unit, magnetic valve, electrodynamic pump, radiator, distance increasing unit pipe group and battery cooling tube group；The distance increasing unit pipe group is coated on distance increasing unit hull outside, and the battery cooling tube group cycle arrangement envelopes the side of all battery cells in case in battery case；The magnetic valve, electrodynamic pump, radiator, distance increasing unit pipe group and battery cooling tube group connect into pipeline loop by coolant pipeline；Coolant is full of in the coolant pipeline；The magnetic valve, electrodynamic pump and distance increasing unit are connected with controller of battery management system circuit respectively, and change respective working condition under the control of controller of battery management system, so as to turning on four loops, with ensure electrokinetic cell can under various ambient temperature conditions normal work, lift the service efficiency of electrokinetic cell.
Description
Technical field
The present invention relates to new energy sources for automobile technology, more particularly to a kind of stroke-increasing electric automobile temperature of powered cell management control
System processed.
Background technology
The performance of electrokinetic cell and aging and temperature are closely related, and under cryogenic conditions, ion diffusion and migration can be suppressed,
The service behaviour of electrokinetic cell is affected, or even side reaction can occupy leading position in extreme temperature conditions, cause power
Battery can not work in normal state；Meanwhile battery is the device of high-energy-density again, specific chemicals are contained in inside
Matter, under certain condition, thermal runaway can occur due to the quick rise of temperature, whole battery occurs burning and even exploded；Cause
This, it is an important topic of battery management system research in certain rational scope to control the operating temperature of battery.
At present the more conventional temperature control to battery using cabin air as heat transferring medium, using air as
Heat transferring medium；The problem of existing be, on the one hand, the heat transfer efficiency of gas is low, and the fast temperature adjustment to battery can not be real
It is existing, on the other hand, the temperature range of air-source can not be ensured, easily cause the battery cell close to source of the gas position and remote source of the gas
The problem of temperature difference is larger between the battery cell of position.
The content of the invention
The technical problem to be solved in the present invention is：A kind of electric automobile power battery temperature treatment control system is provided, with
Ensure electrokinetic cell can under various ambient temperature conditions normal work, the service efficiency of electrokinetic cell is lifted, to overcome
There is the above-mentioned deficiency present in technology.
The present invention adopts the technical scheme that：A kind of electric automobile power battery temperature treatment control system, including battery
Group, controller of battery management system, distance increasing unit, magnetic valve, electrodynamic pump, radiator, distance increasing unit pipe group and battery cooling tube group；Institute
State distance increasing unit pipe group and be coated on distance increasing unit hull outside, the battery cooling tube group cycle arrangement coats in battery case
Firmly in case all battery cells side；The magnetic valve, electrodynamic pump, radiator, distance increasing unit pipe group and battery cooling tube group are led to
Supercooling liquid pipeline connects into pipeline loop；
The coolant pipeline include pipeline A sections, pipeline B1 sections, pipeline B2 sections, pipeline C sections, pipeline D sections, pipeline E sections and
Pipeline F sections, the magnetic valve include four magnetic valves, three-position electromagnetic valve I and three-position electromagnetic valve II, and the electrodynamic pump includes electronic
Pump I and electrodynamic pump II；
First connected entrance of described pipeline A sections one end and three-position electromagnetic valve II is connected, and the of the other end and four magnetic valves
One connected entrance is connected, and pipeline B1 sections one end and the second connected entrance of three-position electromagnetic valve II are connected, and the other end passes through threeway and pipeline
B2 sections are connected, and the second connected entrance of the pipeline B2 sections other end and four magnetic valves is connected, and pipeline C sections one end connects with threeway, separately
One end and the second connected entrance of three-position electromagnetic valve I are connected, and pipeline D sections one end and the third connecting mouth of four magnetic valves are connected, separately
One end and the third connecting mouth of three-position electromagnetic valve I are connected, and pipeline E sections one end and the first connected entrance of three-position electromagnetic valve I are connected, separately
One end connects with battery cooling tube group, and pipeline F sections one end connects with battery cooling tube group, and the of the other end and three-position electromagnetic valve II
Tee joint mouth is connected；
Electrodynamic pump I is concatenated in the pipeline F sections, radiator and electrodynamic pump II, the pipeline A are concatenated in the pipeline D sections
Distance increasing unit pipe group is concatenated in section；
Coolant is full of in the coolant pipeline；
Heat sensor I, the heat sensor I and battery management system are set on each battery cell in the battery case
Controller circuitry connects, for the temperature on battery cell to be passed into controller of battery management system；
Distance increasing unit is connected with controller of battery management system circuit, and is started under the control of controller of battery management system
Heating stops heating；
The electrodynamic pump I and electrodynamic pump II are connected with controller of battery management system circuit, and in battery management system control
Device processed controls lower pump or termination of pumping, so as to provide power for the flowing of coolant in loop；
Four magnetic valves, three-position electromagnetic valve I and the three-position electromagnetic valve II are connected with controller of battery management system circuit,
And change respective working condition under the control of controller of battery management system, so as to turning on：
First loop, i.e. pipeline B1 sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline C sections loop,
Or second servo loop, i.e. pipeline A sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline C sections-pipeline B2
Section-distance increasing unit pipe group loop,
Or tertiary circuit, i.e. pipeline B1 sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline D sections-pipeline
B2 sections loop,
Or the 4th loop, i.e. pipeline A sections-pipeline B1 sections-pipeline C sections-pipeline D sections-distance increasing unit pipe group loop.
Its further technical scheme is：Heat sensor II, the heat sensor II and electricity are set on the distance increasing unit housing
Pond management system controller circuitry connection, the heat sensor II are used to the temperature on distance increasing unit housing passing to battery management
System controller.
Further：The both ends parallel communication switch valve I of electrodynamic pump I, the both ends parallel communication switch of electrodynamic pump II
Valve II.
It is following due to being had using the electric automobile power battery temperature treatment control system of above-mentioned technical proposal, the present invention
Beneficial effect：
1. the electric automobile power battery temperature treatment control system of the present invention using coolant as heat transferring medium,
The transmission speed of heat can be improved, you can reduce energy consumption, save the energy, lift battery temperature regulated efficiency, while can keep away
Exempt from air medium and transmit the problem of battery cell temperature occurred during heat is inconsistent, to ensure that electrokinetic cell can be in various rings
Normal work under the temperature conditionss of border, lift the service efficiency of electrokinetic cell；
2. the electric automobile power battery temperature treatment control system of the present invention is controlled using computer, basic to realize automatically
Production, production efficiency is improved, manpower can be saved.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the various working state schematic representations of magnetic valve being related in the present invention；
Fig. 3 is coolant flow direction schematic diagram in battery pack in the present invention；
Fig. 4 is the embodiment of the battery pack temperature balancing procedure of the present invention；
Fig. 5 is the embodiment of the battery pack heating heating process of the present invention；
Fig. 6-1 is the embodiment of the battery pack radiating course of work of the present invention；
Fig. 6-2 is another embodiment of the battery pack radiating course of work of the present invention；
Fig. 6-3 is another embodiment again of the battery pack radiating course of work of the present invention；
Fig. 7 is the embodiment of the distance increasing unit radiating work process of the present invention.
In figure：
1-distance increasing unit, 2-distance increasing unit pipe group, 3-four magnetic valves, 4-radiator, 5-electrodynamic pump II, 6-switch
Valve II, 7-controller of battery management system, 8-three-position electromagnetic valve I, 9-three-position electromagnetic valve II, 10-electrodynamic pump I, 11-open
Close valve I, 12-battery pack, 13-battery cooling tube group, 14-1-heat sensor I, 14-2-heat sensor II, 15-threeway；
A-pipeline A sections, B1-pipeline B1 sections, B2-pipeline B2 sections, C-pipeline C sections, D-pipeline D sections, E-pipeline E
Section, F-pipeline F sections.
Specific embodiment
Embodiment one
As shown in figure 4, a kind of electric automobile power battery temperature treatment control system, including battery pack 12, battery management
System controller 7, distance increasing unit 1, magnetic valve, electrodynamic pump, radiator 4, distance increasing unit pipe group 2 and battery cooling tube group 13；The increasing
Journey device pipe group 2 is coated on the hull outside of distance increasing unit 1, and the cycle arrangement of battery cooling tube group 13 coats in battery case
Firmly in case all battery cells side；The magnetic valve, electrodynamic pump, radiator, distance increasing unit pipe group and battery cooling tube group are led to
Supercooling liquid pipeline connects into pipeline loop；
The coolant pipeline include pipeline A sections, pipeline B1 sections, pipeline B2 sections, pipeline C sections, pipeline D sections, pipeline E sections and
Pipeline F sections, the magnetic valve include four magnetic valves 3, three-position electromagnetic valve I 8 and three-position electromagnetic valve II 9, and the electrodynamic pump includes
Electrodynamic pump I 10 and electrodynamic pump II 5；
First connected entrance of described pipeline A sections one end and three-position electromagnetic valve II 9 is connected, the other end and four magnetic valves 3
First connected entrance is connected, and the second connected entrance of pipeline B1 sections one end and three-position electromagnetic valve II 9 is connected, the other end by threeway 15 with
Pipeline B2 sections are connected, and the second connected entrance of the pipeline B2 sections other end and four magnetic valves 3 is connected, pipeline C sections one end and threeway 15
Connection, the second connected entrance of the other end and three-position electromagnetic valve I 8 are connected, pipeline D sections one end and the third connecting of four magnetic valves 3
Mouth is connected, and the third connecting mouth of the other end and three-position electromagnetic valve I 8 is connected, pipeline E sections one end and the first company of three-position electromagnetic valve I 8
Port is connected, and the other end connects with battery cooling tube group 13, and pipeline F sections one end connects with battery cooling tube group, the other end and three
The third connecting mouth of position magnetic valve II 9 is connected；
Electrodynamic pump I 10 is concatenated in the pipeline F sections, radiator 4 and electrodynamic pump II 5, the pipe are concatenated in the pipeline D sections
Distance increasing unit pipe group 2 is concatenated in the A sections of road；
Coolant is full of in the coolant pipeline；
The 14-1 of heat sensor I, the heat sensor I and battery management are set on each battery cell in the battery case
The circuit of system controller 7 connects, for the temperature on battery cell to be passed into controller of battery management system；
Distance increasing unit 1 is connected with the circuit of controller of battery management system 7, and is opened under the control of controller of battery management system
Dynamic heating stops heating；
The electrodynamic pump I 10 and electrodynamic pump II 5 are connected with controller of battery management system circuit, and in battery management system
Controller controls lower pump or termination of pumping, so as to provide power for the flowing of coolant in loop；
Four magnetic valves 3, three-position electromagnetic valve I 8 and the three-position electromagnetic valve II 9 connect with controller of battery management system circuit
Connect, and change under the control of controller of battery management system respective working condition, so as to turning on：
First loop, i.e. pipeline B1 sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline C sections loop,
Or second servo loop, i.e. pipeline A sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline C sections-pipeline B2
Section-distance increasing unit pipe group loop,
Or tertiary circuit, i.e. pipeline B1 sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline D sections-pipeline
B2 sections loop,
Or the 4th loop, i.e. pipeline A sections-pipeline B1 sections-pipeline C sections-pipeline D sections-distance increasing unit pipe group loop.
The 14-2 of heat sensor II, the heat sensor II and controller of battery management system electricity are set on the distance increasing unit housing
Road connects, and the heat sensor II is used to the temperature on distance increasing unit housing passing to controller of battery management system.
The both ends parallel communication switch valve I 11 of electrodynamic pump I 10, the both ends parallel communication switch valve II of electrodynamic pump II 5
6。
In the present embodiment, the 14-1 of heat sensor I detects that battery pack is operated in normal operating temperature range, but each
Battery cell temperature is unbalanced, then control system turns on the first loop：
Electrodynamic pump I 10 starts, and three-position electromagnetic valve II 9 is operated in state I I（Second connected entrance is connected with third connecting mouth）,
Three-position electromagnetic valve I 8 is operated in state I I（First connected entrance and the second connected entrance are connected）, four magnetic valves 3 are operated in state I I
（First connected entrance and the second connected entrance and third connecting mouth are obstructed）, the first loop, i.e. pipeline B1 sections-pipeline F sections-battery
Cooling tube group-pipeline E sections-pipeline C sections loop conducting, now switch valve II 6 and switch valve I 11 are off, electronic
Pump II 5 does not start, and coolant, in battery pack internal circulation flow, takes away the more of high-temperature battery monomer under the drive of electrodynamic pump I 10
Excess heat, while the temperature of low temperature battery monomer is improved, each battery cell temperature is reached balanced.
The present embodiment is execution temperature equalization control program.
Embodiment two
As shown in figure 5, a kind of electric automobile power battery temperature treatment control system, its structure is identical with embodiment one,
Except that the 14-1 of heat sensor I detects that battery pack temperature is less than optimum working temperature, control system turns on second time
Road：
Distance increasing unit 1 starts, and electrodynamic pump I 10 starts, and three-position electromagnetic valve II 9 is operated in state I II（First connected entrance and the 3rd
Connected entrance is connected）, three-position electromagnetic valve I 8 is operated in state I I（First connected entrance and the second connected entrance are connected）, four magnetic valves 3
It is operated in state I II（First connected entrance and the second connected entrance are connected）, second servo loop is that pipeline A sections-pipeline F sections-battery is cold
But pipe group-pipeline E sections-pipeline C sections-pipeline B2 sections-distance increasing unit pipe group loop turns on, now switch valve II 6 and switch valve I
11 are off, and electrodynamic pump II 5 does not start, and coolant is cold in distance increasing unit pipe group and battery under the drive of electrodynamic pump I 10
But pipe group internal circulation flow, battery pack heating circuit is formed, battery pack is heated up, it is electronic when temperature reaches optimum working temperature
Pump I 10 is stopped.
The present embodiment is execution battery computer heating control program.
Embodiment three
As in Figure 6-1, a kind of electric automobile power battery temperature treatment control system, its structure and the phase of embodiment one
Together, except that, the 14-1 of heat sensor I detects that battery pack temperature is higher than optimum working temperature, then control system conducting the
Three loops：
Electrodynamic pump I 10 starts, and electrodynamic pump II 5 starts, and three-position electromagnetic valve II 9 is operated in state I I（Second connected entrance and
Tee joint mouth is connected）, three-position electromagnetic valve I 8 is operated in state I II（First connected entrance is connected with third connecting mouth）, four electromagnetism
Valve 3 is operated in state I V（Third connecting mouth and the second connected entrance are connected）, tertiary circuit is pipeline B1 sections-pipeline F sections-battery
Cooling tube group-pipeline E sections-pipeline D sections-pipeline B2 sections loop conducting, now switch valve II 6 and switch valve I 11, which are in, disconnects
State I I, coolant is under the drive of electrodynamic pump II 5 and electrodynamic pump I 10, in radiator and battery cooling tube group internal circulation flow,
Battery pack heat-radiation loop is formed, plays a part of battery radiating, when temperature reaches optimum working temperature, electrodynamic pump II 5 and electricity
Dynamic pump I 10 is stopped.
The present embodiment is execution battery radiating control program.
As one kind conversion of embodiment three, its structure is identical with the present embodiment three, except that, electrodynamic pump II 5 is not
Start, electrodynamic pump I 10 starts, and now switch valve I 11 is off II, switch valve II 6 in an ON state I, coolant
Under the drive of electrodynamic pump I 10, in radiator and battery cooling tube group internal circulation flow, battery pack heat-radiation loop is formed, is played
The effect of battery radiating, when temperature reaches optimum working temperature, electrodynamic pump I 10 is stopped, referring to Fig. 6-2.
As the again another conversion of embodiment three, its structure is identical with the present embodiment three, except that, electrodynamic pump II
5 start, and electrodynamic pump I 10 do not start, now switch valve I 11 in an ON state I, and switch valve II 6 is off II, cooling
Liquid in radiator and battery cooling tube group internal circulation flow, forms battery pack heat-radiation loop, risen under the drive of electrodynamic pump II 5
To the effect of battery radiating, when temperature reaches optimum working temperature, electrodynamic pump II 5 is stopped, referring to Fig. 6-3.
Example IV
As shown in fig. 7, a kind of electric automobile power battery temperature treatment control system, its structure is identical with embodiment one,
Except that the 14-2 of heat sensor II detects that distance increasing unit temperature is too high, then control system turns on the 4th loop：
Electrodynamic pump I 10 is closed, and electrodynamic pump II 5 starts, and three-position electromagnetic valve II 9 is operated in state I（First connected entrance and second
Connected entrance is connected）, three-position electromagnetic valve I 8 is operated in state I（Second connected entrance is connected with third connecting mouth）, four works of magnetic valve 3
Make in state I（Third connecting mouth and the first connected entrance are connected）, the 4th loop, i.e. pipeline A sections-pipeline B1 sections-pipeline C sections-
The conducting of pipeline D sections-distance increasing unit pipe group loop, now coolant under the drive of electrodynamic pump II 5 in distance increasing unit pipe group and radiator
Between circulate, form distance increasing unit heat-radiation loop, distance increasing unit is radiated.
The present embodiment is execution distance increasing unit radiating control program.
Operation principle：
Under the conditions of cold-starting, power battery pack is heated using heat caused by distance increasing unit, to ensure battery
Group is operated in normal startup operating ambient temperature range, in the state of battery pack normal work, is followed by outside heat
Battery pack is radiated ring and temperature equalization, to prevent battery to be operated in high or extremely low and monomer excessive temperature differentials temperature
Under the conditions of, lift the service life of electrokinetic cell.
Controller of battery management system 7 completes temperature involved in the present invention using the main control module of battery management system
Management and control function.System gathers the battery cell and battery pack ambient temperature of battery temperature sensor 14-1 feedbacks in real time
Signal, judge the specific executive measure that system response environment temperature is taken.If environment temperature is too low, start computer heating control journey
Sequence starts to heat battery, and the coolant heated through distance increasing unit 1 flows in the circulation canal of battery pack cooling tube group, by heat
Battery pack is taken to from distance increasing unit；Simultaneously because coolant is constantly in the state circulated between each monomer of battery, can avoid
Temperature is inconsistent between battery cell phenomenon produces, if occurring, temperature is inconsistent, also can during follow-up recycle heat quilt
It is balanced；If environment temperature is too high, starts cooling process and battery pack is radiated, now coolant is in battery pack cooling tube group
Flowed in circulation canal, take heat to radiator 4 from battery pack, while electricity can be avoided by the process that circulates of coolant
The inconsistent phenomenon of temperature between the monomer of pond produces.
Coolant pipeline is used for providing the fluid passage that coolant circulates in battery pack, between distance increasing unit, radiator, leads to
Supercooling liquid circulates in same pipeline ensures that the temperature between battery cell reaches unanimity.
Magnetic valve is used for the flow channel for adjusting coolant.
Switch valve is used to keep coolant pipeline unimpeded in the case where electrodynamic pump is not actuated.
The flowing that it be coolant in circulation line that electrodynamic pump, which is used for, provides power, only electrodynamic pump unlatching, coolant
It can be flowed in circulation line.
Claims (3)
- A kind of 1. electric automobile power battery temperature treatment control system, it is characterised in that：Including battery pack（12）, battery management System controller（7）, distance increasing unit（1）, magnetic valve, electrodynamic pump, radiator（4）, distance increasing unit pipe group（2）With battery cooling tube group （13）；The distance increasing unit pipe group is coated on distance increasing unit（1）Hull outside, the battery cooling tube group cycle arrangement is in battery case It is interior, and envelope the side of all battery cells in case；The magnetic valve, electrodynamic pump, radiator, distance increasing unit pipe group and battery are cold But pipe group connects into pipeline loop by coolant pipeline；The coolant pipeline includes pipeline A sections, pipeline B1 sections, pipeline B2 sections, pipeline C sections, pipeline D sections, pipeline E sections and pipeline F sections, the magnetic valve include four magnetic valves（3）, three-position electromagnetic valve I（8）With three-position electromagnetic valve II（9）, the electrodynamic pump bag Include electrodynamic pump I（10）With electrodynamic pump II（5）；Described pipeline A sections one end and three-position electromagnetic valve II（9）The first connected entrance connect, the other end and four magnetic valves（3）'s First connected entrance is connected,Pipeline B1 sections one end and three-position electromagnetic valve II（9）The second connected entrance connect, the other end passes through threeway（15）With pipeline B2 Duan Liantong, the pipeline B2 sections other end and four magnetic valves（3）The second connected entrance connect,Pipeline C sections one end and threeway（15）Connection, the other end and three-position electromagnetic valve I（8）The second connected entrance connect,Pipeline D sections one end and four magnetic valves（3）Third connecting mouth connect, the other end and three-position electromagnetic valve I（8）The 3rd connect Port is connected,Pipeline E sections one end and three-position electromagnetic valve I（8）The first connected entrance connect, the other end and battery cooling tube group（13）Connection,Pipeline F sections one end connects with battery cooling tube group, the other end and three-position electromagnetic valve II（9）Third connecting mouth connect；Electrodynamic pump I is concatenated in the pipeline F sections（10）, radiator is concatenated in the pipeline D sections（4）With electrodynamic pump II（5）, it is described Distance increasing unit pipe group is concatenated in pipeline A sections（2）；Coolant is full of in the coolant pipeline；Heat sensor I is set on each battery cell in the battery case（14-1）, the heat sensor I and battery management system System controller（7）Circuit connects, for the temperature on battery cell to be passed into controller of battery management system；Distance increasing unit（1）With controller of battery management system（7）Circuit connects, and is opened under the control of controller of battery management system Dynamic heating stops heating；The electrodynamic pump I（10）With electrodynamic pump II（5）It is connected with controller of battery management system circuit, and in battery management system Controller controls lower pump or termination of pumping, so as to provide power for the flowing of coolant in loop；Four magnetic valves（3）, three-position electromagnetic valve I（8）With three-position electromagnetic valve II（9）With controller of battery management system circuit Connection, and change under the control of controller of battery management system respective working condition, so as to turning on：First loop, i.e. pipeline B1 sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline C sections loop,Or second servo loop, i.e. pipeline A sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline C sections-pipeline B2 sections- Distance increasing unit pipe group loop,Or tertiary circuit, i.e. pipeline B1 sections-pipeline F sections-battery cooling tube group-pipeline E sections-pipeline D sections-pipeline B2 sections Loop,Or the 4th loop, i.e. pipeline A sections-pipeline B1 sections-pipeline C sections-pipeline D sections-distance increasing unit pipe group loop.
- 2. electric automobile power battery temperature treatment control system according to claim 1, it is characterised in that：The increasing journey Heat sensor II is set on device housing（14-2）, the heat sensor II is connected with controller of battery management system circuit, for inciting somebody to action Temperature on distance increasing unit housing passes to controller of battery management system.
- 3. electric automobile power battery temperature treatment control system according to claim 1 or 2, it is characterised in that：It is described Electrodynamic pump I（10）Both ends parallel communication switch valve I（11）, the electrodynamic pump II（5）Both ends parallel communication switch valve II（6）.
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| CN201610177338.3A CN105680113B (en) | 2016-03-25 | 2016-03-25 | Electric automobile power battery temperature treatment control system |
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| CN201610177338.3A CN105680113B (en) | 2016-03-25 | 2016-03-25 | Electric automobile power battery temperature treatment control system |
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| CN106384852B (en) * | 2016-11-30 | 2019-01-29 | 王波 | Battery system |
| CN107150602B (en) * | 2017-04-27 | 2018-02-16 | 浙江壹舸能源有限公司 | BMS battery management systems |
| CN108281735B (en) * | 2018-01-05 | 2020-06-26 | 贵州吉利发动机有限公司 | Battery heat-insulation system and method for electric automobile |
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| JP2002352867A (en) * | 2001-05-28 | 2002-12-06 | Honda Motor Co Ltd | Battery temperature controller for electric vehicle |
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