CN107878223A - A kind of power battery cooling system for electronic vehicle and cooling means - Google Patents
A kind of power battery cooling system for electronic vehicle and cooling means Download PDFInfo
- Publication number
- CN107878223A CN107878223A CN201710958077.3A CN201710958077A CN107878223A CN 107878223 A CN107878223 A CN 107878223A CN 201710958077 A CN201710958077 A CN 201710958077A CN 107878223 A CN107878223 A CN 107878223A
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- battery
- evaporator
- electrokinetic cell
- temperature
- refrigerant
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- 238000001816 cooling Methods 0.000 title claims abstract description 63
- 239000003507 refrigerant Substances 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 9
- 210000004027 cell Anatomy 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 25
- 230000036760 body temperature Effects 0.000 claims description 17
- 210000005056 cell body Anatomy 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
- H01M10/62—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
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of power battery cooling system for electronic vehicle and cooling means,It mainly includes the multiple battery evaporators contacted one by one with multiple battery cores,Also include refrigerant inlet pipe and refrigerant outlet pipe,Also include refrigerating plant,One end of the refrigerant inlet pipe connects with the entrance of battery evaporator,Magnetic valve is provided with each refrigerant inlet pipe,Also include first sensor,Multiple second sensors and controller,First sensor is arranged on electrokinetic cell and wrapped,Multiple second sensors are separately positioned on the exit of each battery evaporator,The method that the present invention is passed through battery bag internal cooling but electrokinetic cell using refrigerant,Do not pass through air,The media such as coolant,By electrokinetic cell evaporator directly with battery core contact heat-exchanging,The direct air-cooling units being individually connected with electrokinetic cell evaporator are installed on vehicle,Pipeline connects,Control is more prone to,And fan need not be increased inside battery bag,Battery bag casing can carry out good Seal Design and reach IP67.
Description
Technical field
The present invention relates to a kind of battery cooling apparatus, more particularly to a kind of power battery cooling system for electronic vehicle and cooling
Method.
Background technology
Electric automobile uses electrokinetic cell, and as main energy sources, when in use, the temperature of electrokinetic cell can be anxious for electrokinetic cell
Play rises, original electric automobile power battery type of cooling：Natural cooling, air blast cooling and the cold mode of liquid have been increasingly difficult to
To meet effective cooling to battery.Either water cooling or air-cooled, it is a kind of cooling, therefore make indirectly for electrokinetic cell
Into complicated, capacity loss is big in heat exchanging process, bad to the cooling effect of electrokinetic cell, while also consumes more
Electricity, the course continuation mileage of electric automobile is reduced, and the cold entrance from temperature transmitting device of air-cooled or liquid is recycled to exit,
The temperature difference of the electrokinetic cell in entrance and exit can be caused big, cause the consistency of performance of electrokinetic cell in electrokinetic cell system
Difference, influence the service behaviour of whole electrokinetic cell system.
The content of the invention
Present invention solves the technical problem that it is to provide a kind of raising cooling effectiveness and a kind of electronic of temperature equalization can be carried out
Automobile power cell cooling system and cooling means.
The technical solution adopted for the present invention to solve the technical problems is：A kind of power battery cooling system for electronic vehicle,
Including the multiple battery evaporators being arranged on inside electrokinetic cell bag, inside the multiple battery evaporator and electrokinetic cell bag
Multiple battery cores contact one by one, in addition to refrigerant inlet pipe one-to-one with multiple battery evaporators and refrigerant outlet pipe,
Also include refrigerating plant, one end of the refrigerant inlet pipe connects with the entrance of battery evaporator, the refrigerant inlet pipe
The other end be connected with refrigerating plant, one end of the refrigerant outlet pipe is connected with the outlet of battery evaporator, described each
Valve is provided with refrigerant inlet pipe, the other end of the refrigerant outlet pipe is connected with refrigerating plant, in addition to first
Sensor, multiple second sensors and controller, the first sensor are arranged on electrokinetic cell and wrapped, and the multiple second passes
Sensor is separately positioned on the exit of each battery evaporator, and the controller senses with first sensor, multiple second respectively
Device, valve connect with refrigerating plant.
It is further：The refrigerating plant includes compressor, condenser, expansion valve and gas-liquid separator, the compression
The mouth that picks up of machine is connected with refrigerant outlet pipe, and the gas outlet of the compressor and the import of condenser connect, the condenser
Outlet and the import of expansion valve connect, the entrance of the outlet of the expansion valve and gas-liquid separator connects, the gas-liquid separation
The outlet of device connects with refrigerant inlet pipe.
It is further：The electrokinetic cell evaporator is inflation type evaporator, micro-channel evaporator, the steaming of snakelike flat pipe type
Send out device.
It is further：Thermal conductive silicon rubber cushion is provided between the electrokinetic cell evaporator and battery core.
The invention also discloses a kind of electric automobile power battery cooling means, including a kind of above-mentioned electric powered motor
Battery cooling system, before use, first setting battery bag preference temperature A and battery evaporator outlet are minimum fair in controller in advance
Perhaps temperature B, in electric vehicle driving electric discharge and power failure charging process, controller gathers the battery that first sensor detects in real time
The battery evaporator exit temperature that bag temperature and second sensor detect, as electrokinetic cell body temperature ＜ A, do not start
Cooling device；As electrokinetic cell body temperature >=A, start cooling device, during start-up of cooling system, compressor compresses enter it
In low-temp low-pressure gaseous refrigerant be high temperature and high pressure gas state, be then admitted under the continual pressure of compressor cold
Become medium temperature highly pressurised liquid in condenser, liquid refrigerant enters electrokinetic cell evaporator by expansion valve, because of the throttling of expansion valve
Antihypertensive effect, when pressure drops to certain value, liquid refrigerant is evaporated to gaseous state and absorbs substantial amounts of heat around, so that
The battery core cooling contacted, to produce the refrigeration inside battery bag, in certain time after in start-up of cooling system,
Electrokinetic cell body temperature still >=A when, controller control compressor gradually increases rotating speed, until electrokinetic cell body temperature ＜
A, when electrokinetic cell evaporator outlet temperature is less than B, compressor rotary speed is reduced or shut down.
It is further：Before work, the chilling temperature C of setting electrokinetic cell evaporator exit in present controller, when
When the temperature of the temperature sensor detection of each electrokinetic cell evaporator exit is more than C, controller sends temperature equalization instruction,
Control valve carries out aperture regulation, and the valve opening of temperature drift is increased, and increases corresponding electrokinetic cell evaporator inner refrigerant
Flow, the relatively low valve opening of temperature reduce, and reduce corresponding electrokinetic cell evaporator inner refrigerant flow, each dynamic so as to reduce
The power battery evaporator temperature difference.
The beneficial effects of the invention are as follows：The present invention is passed through the side of battery bag internal cooling but electrokinetic cell using refrigerant
Method, not by media such as air, coolants, by electrokinetic cell evaporator directly with battery core contact heat-exchanging, installed on vehicle single
The direct air-cooling units being solely connected with electrokinetic cell evaporator, pipeline connection, control are more prone to, and need not increase inside battery bag
Fan, battery bag casing can carry out good Seal Design and reach IP67.The temperature equalization method that the cooling system uses, according to
Electrokinetic cell different conditions adjust cooling effect, and control is accurate, improve the performance of electrokinetic cell system.
Brief description of the drawings
Fig. 1 is power battery cooling system for electronic vehicle schematic diagram.
In figure mark for：Electrokinetic cell bag 1, battery evaporator 2, valve 3, first sensor 4, second sensor 5, control
Device 6, compressor 7, condenser 8, expansion valve 9, gas-liquid separator 10.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
A kind of power battery cooling system for electronic vehicle as shown in Figure 1, including be arranged on more inside electrokinetic cell bag
Individual battery evaporator, the multiple battery evaporator contact one by one with multiple battery cores inside electrokinetic cell bag, the power electric
Pond evaporator 2 is inflation type evaporator, micro-channel evaporator, snakelike flat pipe type evaporator, and the electrokinetic cell evaporator 2 can be adopted
Put with overhead, bottom, load also includes refrigerant inlet pipe one-to-one with multiple battery evaporators 2 and refrigerant among battery core
Outlet, in addition to refrigerating plant, one end of the refrigerant inlet pipe connect with the entrance of battery evaporator 2, the refrigeration
The other end of agent inlet tube is connected with refrigerating plant, and one end of the refrigerant outlet pipe is connected with the outlet of battery evaporator 2,
Valve 3 is provided with each refrigerant inlet pipe, the other end of the refrigerant outlet pipe is connected with refrigerating plant, also
Including first sensor 4, multiple second sensors 5 and controller 6, the controller 6 can be PLC or single-chip microcomputer etc., described the
One sensor 4 is arranged on electrokinetic cell bag 1, and the multiple second sensor 5 is separately positioned on going out for each battery evaporator 2
At mouthful, the controller 6 connects with first sensor 4, multiple second sensors 5, refrigerating plant respectively, and above-mentioned valve can be hand
Movable valve or magnetic valve, need manually according to the temperature shown on controller manually enter valve when using manually-operated gate
Row aperture regulation, when using electromagnetic valve, valve opening can be adjusted by controller, described below is to make
With control principle during magnetic valve, before use, first the temperature of preset power battery bag 1, i.e. refrigerating plant start in controller 6
Operating temperature is A DEG C, and the minimum temperature in the exit of battery evaporator 2 is B DEG C, and it is C DEG C that battery, which evaporates balanced preset temperature, when dynamic
During power battery body temperature ＜ A DEG C, above-mentioned default value will specifically be set according to specific battery system, as A can be 25,
28th, 30,32 etc., B can be set to 4,5,6 etc., and C can be set to 9,10,11 etc., and controller 6 gathers what first sensor 4 detected in real time
The outlet temperature of battery evaporator 2 that battery bag temperature and second sensor 5 detect, as electrokinetic cell body temperature ＜ A,
Do not start cooling device；As electrokinetic cell body temperature >=A, start cooling device, when cooling device starts, liquid refrigerant
Absorbed heat into battery evaporator 2 so that contact battery core cooling, to produce the refrigeration inside battery bag, when
Cooling device start after certain time in, electrokinetic cell body temperature still >=A when, controller 6 control compressor 7 gradually increase
Add rotating speed, until electrokinetic cell body temperature ＜ A, when the outlet temperature of electrokinetic cell evaporator 2 is less than B, the rotating speed of compressor 7 drop
Low or shutdown, while in the course of the work, when the temperature that the temperature sensor in each exit of electrokinetic cell evaporator 2 detects is big
When C, controller 6 sends temperature equalization instruction, and control valve 3 carries out aperture regulation, and the aperture of valve 3 of temperature drift is increased
Greatly, the corresponding inner refrigerant flow of electrokinetic cell evaporator 2 is increased, the relatively low aperture of valve 3 of temperature reduces, and reduces corresponding power electric
The inner refrigerant flow of pond evaporator 2, so as to reduce each temperature difference of electrokinetic cell evaporator 2, the present invention is passed through electricity using refrigerant
The method of pond bag internal cooling but electrokinetic cell, not by media such as air, coolants, by electrokinetic cell evaporator 2 directly with
Battery core contact heat-exchanging, the direct air-cooling units being individually connected with electrokinetic cell evaporator 2 are installed on vehicle, pipeline connection, control are more
Add easily, and need not increase fan inside battery bag, battery bag casing can carry out good Seal Design and reach IP67, and this is cold
But the temperature equalization method that system uses, cooling effect is adjusted according to electrokinetic cell different conditions, control is accurate, improves power electric
The performance of cell system.
On the basis of the above, the refrigerating plant includes compressor 7, condenser 8, expansion valve 9 and gas-liquid separator 10, institute
The mouth that picks up for stating compressor 7 is connected with refrigerant outlet pipe, and the gas outlet of the compressor 7 is connected with the import of condenser 8, institute
The outlet for stating condenser 8 is connected with the import of expansion valve 9, and the outlet of the expansion valve 9 is connected with the entrance of gas-liquid separator 10,
The outlet of the gas-liquid separator 10 connects with refrigerant inlet pipe, and said structure refrigeration principle is as follows：The compression of compressor 7 enters
Low-temp low-pressure gaseous refrigerant therein is high temperature and high pressure gas state, is then sent under 7 continual pressure of compressor
Enter and become medium temperature highly pressurised liquid in condenser 8, liquid refrigerant enters electrokinetic cell evaporator 2 by expansion valve 9, because of expansion valve
9 reducing pressure by regulating flow effect, when pressure drops to certain value, liquid refrigerant is evaporated to gaseous state and absorbs substantial amounts of heat around
Amount, so that the battery core cooling contacted, to produce the refrigeration inside battery bag.
On the basis of the above, thermal conductive silicon rubber cushion, the thermal conductive silicon are provided between the electrokinetic cell evaporator 2 and battery core
The setting of rubber cushion can strengthen heat transfer effect, so as to improve refrigerating efficiency.
Invention also discloses a kind of electric automobile power battery cooling means, including a kind of above-mentioned electronic vapour
Car power battery cooling system, before use, first setting battery bag preference temperature A and battery evaporator 2 go out in controller 6 in advance
Mouth minimum allowable temperature B, in electric vehicle driving electric discharge and power failure charging process, controller 6 gathers first sensor 4 and examined in real time
The outlet temperature of battery evaporator 2 that the battery bag temperature and second sensor 5 measured detects, when electrokinetic cell body temperature
During ＜ A, do not start cooling device；As electrokinetic cell body temperature >=A, start cooling device, during start-up of cooling system, compression
It is high temperature and high pressure gas state that the compression of machine 7, which enters low-temp low-pressure gaseous refrigerant therein, then continual in compressor 7
It is admitted under pressure in condenser 8 and becomes medium temperature highly pressurised liquid, liquid refrigerant enters electrokinetic cell evaporator by expansion valve 9
2, because the reducing pressure by regulating flow of expansion valve 9 acts on, when pressure drops to certain value, liquid refrigerant is evaporated to gaseous state and absorbs surrounding
Substantial amounts of heat, so that the battery core cooling contacted, to produce the refrigeration inside battery bag, is opened when in cooling system
In certain time after dynamic, electrokinetic cell body temperature still >=A when, controller 6 controls compressor 7 gradually to increase rotating speed, directly
To electrokinetic cell body temperature ＜ A, when the outlet temperature of electrokinetic cell evaporator 2 is less than B, the rotating speed of compressor 7 is reduced or shut down.
On the basis of the above, before work, the chilling temperature in the exit of setting electrokinetic cell evaporator 2 in present controller 6
C, when the temperature that the temperature sensor in each exit of electrokinetic cell evaporator 2 detects is more than C, it is equal that controller 6 sends temperature
Weighing apparatus instruction, control valve 3 carry out aperture regulation, and the aperture of valve 3 of temperature drift is increased, and increase corresponding electrokinetic cell evaporator
2 inner refrigerant flows, the relatively low aperture of valve 3 of temperature reduce, and reduce the corresponding inner refrigerant flow of electrokinetic cell evaporator 2, from
And reduce each temperature difference of electrokinetic cell evaporator 2.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (6)
- A kind of 1. power battery cooling system for electronic vehicle, it is characterised in that：Including being arranged on the more of electrokinetic cell bag (1) inside Individual battery evaporator (2), the multiple battery evaporator multiple battery cores internal with electrokinetic cell bag (1) are contacted, also wrapped one by one One-to-one with multiple battery evaporators (2) refrigerant inlet pipe and refrigerant outlet pipe, in addition to refrigerating plant are included, it is described One end of refrigerant inlet pipe connects with the entrance of battery evaporator (2), and the other end and the refrigeration of the refrigerant inlet pipe fill Connection is put, one end of the refrigerant outlet pipe is connected with the outlet of battery evaporator (2), on each refrigerant inlet pipe Valve (3) is provided with, the other end of the refrigerant outlet pipe is connected with refrigerating plant, in addition to first sensor (4), more Individual second sensor (5) and controller (6), the first sensor (4) are arranged on electrokinetic cell bag (1), and the multiple Two sensors (5) are separately positioned on the exit of each battery evaporator (2), and the controller (6) is respectively and first sensor (4), multiple second sensors (5), valve (3) connect with refrigerating plant.
- A kind of 2. power battery cooling system for electronic vehicle as claimed in claim 1, it is characterised in that：The refrigerating plant bag Compressor (7), condenser (8), expansion valve (9) and gas-liquid separator (10) are included, the compressor (7) picks up mouth and refrigerant Outlet connects, and the gas outlet of the compressor (7) is connected with the import of condenser (8), the outlet of the condenser (8) with it is swollen The import connection of swollen valve (9), the outlet of the expansion valve (9) are connected with the entrance of gas-liquid separator (10), the gas-liquid separation The outlet of device (10) connects with refrigerant inlet pipe.
- A kind of 3. power battery cooling system for electronic vehicle as claimed in claim 1, it is characterised in that：The electrokinetic cell steams It is inflation type evaporator, micro-channel evaporator, snakelike flat pipe type evaporator to send out device (2).
- A kind of 4. power battery cooling system for electronic vehicle as claimed in claim 1, it is characterised in that：The electrokinetic cell steams Hair device (2) is provided with thermal conductive silicon rubber cushion between battery core.
- 5. a kind of electric automobile power battery cooling means, including in claim 1 to claim 4 described in any one one Kind power battery cooling system for electronic vehicle, it is characterised in that：Before use, first setting battery bag is fitted in controller (6) in advance Suitable temperature A and battery evaporator (2) outlet minimum allowable temperature B, in electric vehicle driving electric discharge and power failure charging process, control Device (6) gathers the battery evaporator that the battery bag temperature that first sensor (4) detects and second sensor (5) detect in real time (2) outlet temperature, as electrokinetic cell body temperature ＜ A, cooling device is not started；As electrokinetic cell body temperature >=A, Start cooling device, during start-up of cooling system, it is that high temperature is high that compressor (7) compression, which enters low-temp low-pressure gaseous refrigerant therein, Gaseous state is pressed, is then admitted to that condenser (8) is inner to become medium temperature highly pressurised liquid under compressor (7) continual pressure, Liquid refrigerant enters electrokinetic cell evaporator (2) by expansion valve (9), because the reducing pressure by regulating flow of expansion valve (9) acts on, works as pressure When dropping to certain value, liquid refrigerant is evaporated to gaseous state and absorbs substantial amounts of heat around, so that the battery core contacted Cooling, to produce the refrigeration inside battery bag, in certain time after in start-up of cooling system, this body temperature of electrokinetic cell Degree still >=A when, controller (6) control compressor (7) gradually increases rotating speed, until electrokinetic cell body temperature ＜ A, works as power When battery evaporator (2) outlet temperature is less than B, compressor (7) rotating speed is reduced or shut down.
- A kind of 6. electric automobile power battery cooling means as claimed in claim 5, it is characterised in that：Before work, control now The chilling temperature C in setting electrokinetic cell evaporator (2) exit in device (6) processed, when each electrokinetic cell evaporator (2) exit Temperature sensor detection temperature when being more than C, controller (6) sends temperature equalization instruction, control magnetic valve (3) progress aperture Regulation, magnetic valve (3) aperture of temperature drift is increased, increase corresponding electrokinetic cell evaporator (2) inner refrigerant flow, temperature Relatively low magnetic valve (3) aperture reduces, and reduces corresponding electrokinetic cell evaporator (2) inner refrigerant flow, each dynamic so as to reduce Power battery evaporator (2) temperature difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958077.3A CN107878223A (en) | 2017-10-16 | 2017-10-16 | A kind of power battery cooling system for electronic vehicle and cooling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958077.3A CN107878223A (en) | 2017-10-16 | 2017-10-16 | A kind of power battery cooling system for electronic vehicle and cooling means |
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| Publication Number | Publication Date |
|---|---|
| CN107878223A true CN107878223A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710958077.3A Pending CN107878223A (en) | 2017-10-16 | 2017-10-16 | A kind of power battery cooling system for electronic vehicle and cooling means |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149010A (en) * | 2018-09-13 | 2019-01-04 | 南京工业大学 | Automatic cooling system for lithium ion battery module thermal runaway of new energy automobile and implementation method thereof |
| CN109167122A (en) * | 2018-09-05 | 2019-01-08 | 华霆（合肥）动力技术有限公司 | Heat management system and method |
| CN109323492A (en) * | 2018-09-07 | 2019-02-12 | 青岛海尔智能技术研发有限公司 | The method, apparatus and computer storage medium of cold-heat exchange system control |
| CN109768351A (en) * | 2019-01-21 | 2019-05-17 | 吉林大学 | Power battery pack R134a refrigerant is direct-cooled to couple cooling system and control method with heat pipe |
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| CN109323492A (en) * | 2018-09-07 | 2019-02-12 | 青岛海尔智能技术研发有限公司 | The method, apparatus and computer storage medium of cold-heat exchange system control |
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| CN109768351A (en) * | 2019-01-21 | 2019-05-17 | 吉林大学 | Power battery pack R134a refrigerant is direct-cooled to couple cooling system and control method with heat pipe |
| CN110112501A (en) * | 2019-04-30 | 2019-08-09 | 苏州高迈新能源有限公司 | Using the battery thermal management system of refrigerant direct-cooled mode |
| CN110165329A (en) * | 2019-05-28 | 2019-08-23 | 中国科学院理化技术研究所 | A kind of power battery thermal management system |
| CN110165329B (en) * | 2019-05-28 | 2024-03-26 | 中国科学院理化技术研究所 | Power battery thermal management system |
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| CN112834558A (en) * | 2019-11-22 | 2021-05-25 | 盾安汽车热管理科技有限公司 | Battery cooling system test bench and test method of battery cooling system |
| CN111055727A (en) * | 2019-12-31 | 2020-04-24 | 奇瑞新能源汽车股份有限公司 | Control method and device of thermal management system of vehicle and vehicle |
| WO2022014309A1 (en) * | 2020-07-16 | 2022-01-20 | 株式会社デンソー | Refrigeration cycle device |
| CN111834701A (en) * | 2020-07-22 | 2020-10-27 | 上海快卜新能源科技有限公司 | Temperature control device based on temperature difference of energy storage battery |
| CN112033034A (en) * | 2020-08-20 | 2020-12-04 | 珠海格力电器股份有限公司 | Cooling system and cooling method |
| CN112687984A (en) * | 2020-12-29 | 2021-04-20 | 东风汽车集团有限公司 | Efficient battery thermal management system and method |
| CN112820980A (en) * | 2021-01-21 | 2021-05-18 | 扬州大学 | Multi-stage cooling type battery pack and cooling method thereof |
| CN112820980B (en) * | 2021-01-21 | 2022-06-10 | 扬州大学 | Multi-stage cooling type battery pack and cooling method thereof |
| CN112952250A (en) * | 2021-01-27 | 2021-06-11 | 龙口市动力油管有限公司 | Heat exchange module and system for battery, energy battery and new energy automobile |
| CN113054282A (en) * | 2021-03-18 | 2021-06-29 | 奇瑞新能源汽车股份有限公司 | Battery water cooling method and device for electric automobile, vehicle control unit and electric automobile |
| CN113054282B (en) * | 2021-03-18 | 2022-10-25 | 奇瑞新能源汽车股份有限公司 | Battery water cooling method and device for electric automobile, vehicle control unit and electric automobile |
| CN113739279A (en) * | 2021-11-02 | 2021-12-03 | 杭州新林达自动化科技有限公司 | New forms of energy wind-force drive air conditioner |
| CN114497806A (en) * | 2022-01-26 | 2022-05-13 | 西安科技大学 | Power battery thermal management system and control method |
| CN116885332A (en) * | 2023-07-07 | 2023-10-13 | 苏州黑盾环境股份有限公司 | Variable-frequency multi-connected energy storage refrigerating system |
| CN116885332B (en) * | 2023-07-07 | 2024-02-06 | 苏州黑盾环境股份有限公司 | Variable-frequency multi-connected energy storage refrigerating system |
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Application publication date: 20180406 |