CN208539065U - Thermal management device of battery, air-conditioning system and vehicle - Google Patents
Thermal management device of battery, air-conditioning system and vehicle Download PDFInfo
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- CN208539065U CN208539065U CN201821027950.3U CN201821027950U CN208539065U CN 208539065 U CN208539065 U CN 208539065U CN 201821027950 U CN201821027950 U CN 201821027950U CN 208539065 U CN208539065 U CN 208539065U
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- 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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- 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
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Abstract
The utility model belongs to the technical field more particularly to a kind of thermal management device of battery, air-conditioning system and vehicle of the heat management of battery.The thermal management device of battery, including compressor, external heat exchanger, four-way valve, battery heat exchanger, first expansion valve, first pipeline and the second pipeline, one end of first pipeline is connect with the second interface, the other end of first pipeline is connect with one end of the battery heat exchanger, one end of second pipeline is connect with the 4th interface, the other end of second pipeline is connect with the other end of the battery heat exchanger, the external heat exchanger and the first expansion valve are arranged on first pipeline, first expansion valve is between the external heat exchanger and the battery heat exchanger.This thermal management device of battery is realized the heating and cooling of battery by control four-way valve, so that battery is in reasonable temperature environment, it is ensured that the service performance and security performance of battery extend the service life of battery.
Description
Technical field
The utility model belongs to the technical field more particularly to a kind of thermal management device of battery, air-conditioning of the heat management of battery
System and vehicle.
Background technique
Battery pack plays vital role as the power source of electric vehicle, and temperature is then the work for influencing battery pack
An important factor for making performance, safety and service life.At low ambient temperatures, the active volume of battery pack has greater loss,
Under high temperature environment, there are security risks for battery pack, and the change impacts of high/low temperature then seriously affect the service life of battery pack.
Therefore, it is necessary to carry out reasonable heat management to make battery pack work at a suitable temperature, to guarantee battery pack to battery pack
Working performance, safety and service life.
The heat management system of battery pack includes battery pouring-basket cooling system and battery pack heating system, battery in the prior art
Pouring-basket cooling system be by the way that cold wind feeding battery pack is cooled down, heat exchange formed after hot wind enter the evaporator of air-conditioning system into
Row cools, and is carrying out next cooling cycle；Battery pack heating system is heated by the way that hot wind is sent into battery pack,
It exchanges heat and enters the external heat exchanger progress heat temperature raising of air-conditioning system after forming cold wind, enter back into next heat cycles.
Its heat transferring medium of the heat management system of above-mentioned battery pack is air, and heat transfer efficiency is low.In addition, also can be selected independent
Air-conditioning system battery pack is cooled down, though at this time cooling medium be liquid refrigerant, can only realize to the cold of battery pack
But, it can not achieve the heating to battery pack.And for the vehicle for being used for integrated air conditioner, individual sky is used
Adjusting system is used for the cooling of battery pack, increases heat management cost.
Utility model content
The technical problem to be solved by the utility model is to for being needed in the prior art using individual air-conditioning system pair
Battery pack carries out the technological deficiency that can not achieve the heating to battery pack when heat management, provides a kind of thermal management device of battery.
In order to solve the above technical problems, on the one hand the utility model embodiment provides a kind of thermal management device of battery, including
Compressor, external heat exchanger, four-way valve, battery heat exchanger, the first expansion valve, the first pipeline and the second pipeline, the four-way valve
With first interface, second interface, third interface and the 4th interface, the entrance of the compressor is connect with the third interface,
The outlet of the compressor is connect with the first interface, and one end of first pipeline is connect with the second interface, described
The other end of first pipeline is connect with one end of the battery heat exchanger, and one end of second pipeline and the 4th interface connect
It connects, the other end of second pipeline is connect with the other end of the battery heat exchanger；
The external heat exchanger and the first expansion valve are arranged on first pipeline, and first expansion valve is located at described
Between external heat exchanger and the battery heat exchanger.
Optionally, the thermal management device of battery further include be connected to the third interface and the compressor entrance it
Between gas-liquid separator.
Optionally, the thermal management device of battery further includes of the temperature for detecting one end of the battery heat exchanger
The second temperature sensor of the temperature of one temperature sensor and the other end for detecting the battery heat exchanger.
Optionally, the battery heat exchanger is plate heat exchanger.
Optionally, the thermal management device of battery further includes defroster duct and solenoid valve, and one end of the defroster duct connects
It connects in the position between the external heat exchanger and first expansion valve of first pipeline, the defroster duct
The other end is connected on second pipeline, and the solenoid valve is arranged on the defroster duct.
Thermal management device of battery provided by the above embodiment is obtained when first interface is connected to second interface through compressor
To the overheat gaseous working medium of high temperature and pressure the liquid refrigerant of medium temperature high pressure is formed after external heat exchanger exchanges heat, medium temperature high pressure
The liquid refrigerant or gas-liquid two-phase mixed working fluid for the low-temp low-pressure that liquid refrigerant is formed after first expansion valve throttling enter
Battery heat exchanger participates in heat exchange, to take away the heat that battery distributes, realizes the cooling of battery.When the first interface and described the
When four orifices, the overheat gaseous working medium of the high temperature and pressure obtained through compressor enters the battery through second pipeline and changes
Hot device participates in heat exchange, to supply the cell heat, realizes the heating of battery.The thermal management device of battery, by controlling four-way
Valve realizes the heating and cooling of battery, so that battery is in reasonable use environment, so that it is guaranteed that the service performance and safety of battery
Performance, to extend the service life of battery.
On the other hand, another embodiment of the utility model additionally provides a kind of air-conditioning system, including internal exchanger, third
Pipeline, the 4th pipeline, the 5th pipeline, the second expansion valve, third expansion valve, the first control valve, the second control valve and above-mentioned electricity
Pond heat management device, the rate-of flow for flowing through first expansion valve is adjustable, and the first control valve setting is in second pipe
On the road；
What one end of the third pipeline was connected to first pipeline is located at the second interface and the external heat-exchanging
Position between device, the other end of the third pipeline are connected to one end positioned at the battery heat exchanger of first pipeline
With the position between first expansion valve, second control valve is arranged on the third pipeline；
The 4th interface and described first that is located at that one end of 4th pipeline is connected to second pipeline controls
Position between valve, the other end of the 4th pipeline be connected to second pipeline be located at the battery heat exchanger it is another
Position between end and first control valve, the internal exchanger and the second expansion valve are arranged on the 4th pipeline,
Second expansion valve is located between the other end and the internal exchanger of the battery heat exchanger, flows through second expansion
The rate-of flow of valve is adjustable；
One end of 5th pipeline is connected to the swollen positioned at the external heat exchanger and described first of first pipeline
Position between swollen valve, the other end of the 5th pipeline be connected to the 4th pipeline be located at the internal exchanger and institute
The position between the second expansion valve is stated, the third expansion valve is arranged on the 5th pipeline, flows through the third expansion valve
Rate-of flow it is adjustable.
Optionally, the air-conditioning system further includes defroster duct and solenoid valve, and one end of the defroster duct is connected to institute
State the 5th pipeline between the external heat exchanger and the third expansion valve, the other end of the defroster duct is connected to
Position between the other end and first control valve positioned at the battery heat exchanger of second pipeline, the solenoid valve
It is arranged on the defroster duct.
Optionally, first expansion valve, the second expansion valve and third expansion valve are electric expansion valve.
Optionally, the thermal management device of battery further includes third control valve, the 4th control valve and the 5th control valve, described
Third control valve be arranged in first pipeline between the external heat exchanger and first expansion valve, the described 4th
Control valve be arranged in the 4th pipeline between second expansion valve and the internal exchanger, it is described 5th control
Valve be arranged in the 5th pipeline between the internal exchanger and the third expansion valve.
Thermal management device of battery provided by the above embodiment, in compartment, setting can be used for battery and add on the basis of air-conditioning system
The pipeline of heat and battery cooling is realized the cooling of battery by the first pipeline and third pipeline respectively and is added in chiller compartment
Heat realizes the heating and cooling of battery by the second pipeline and the 4th pipeline when compartment is heated respectively.Battery thermal management dress
It sets and is not limited by compartment working condition, the heating and cooling of battery can be realized, battery is made to be in reasonable temperature environment, from
And ensure the service performance and security performance of battery, to extend the service life of battery, while ensuring to enter the battery and exchanging heat
The cooling medium of device is liquid, improves heat exchange efficiency.The air-conditioning system that the embodiment provides, does not need in original air-conditioning system
The air-conditioning system for battery thermal management is additionally set up on the basis of (especially integrated air conditioner) to mention to save cost
The high utility value of original air-conditioning system.
In another aspect, the utility model another embodiment additionally provides a kind of vehicle, filled including above-mentioned battery thermal management
It sets.
Detailed description of the invention
Fig. 1 is the schematic diagram for the thermal management device of battery that an embodiment of the present invention provides；
Fig. 2 is the schematic diagram that the thermal management device of battery that an embodiment of the present invention provides is used for battery refrigeration；
Fig. 3 is the schematic diagram that the thermal management device of battery that an embodiment of the present invention provides is used for battery heating；
Fig. 4 is the schematic diagram for the air-conditioning system that another embodiment of the utility model provides；
Fig. 5 is the schematic diagram that the air-conditioning system that another embodiment of the utility model provides is heated for chiller compartment, battery；
Fig. 6 is the schematic diagram that the air-conditioning system that another embodiment of the utility model provides is freezed for chiller compartment, battery；
Fig. 7 is the schematic diagram that the air-conditioning system that another embodiment of the utility model provides is heated for compartment heating, battery；
Fig. 8 is the schematic diagram that the air-conditioning system that another embodiment of the utility model provides is freezed for compartment heating, battery；
Fig. 9 is the schematic diagram for the air-conditioning system that the utility model another embodiment provides.
Appended drawing reference in specification is as follows:
1, compressor；2, external heat exchanger；3, four-way valve；3a, first interface；3b, second interface；3c, third interface；
3d, the 4th interface；4, battery heat exchanger；5, the first expansion valve；6, the first pipeline；7, the second pipeline；8, gas-liquid separator；9,
One temperature sensor；10, second temperature sensor；11, defroster duct；12, solenoid valve；13, internal exchanger；14, third pipe
Road；15, the 4th pipeline；16, the 5th pipeline；17, the second expansion valve；18, third expansion valve；19, the first control valve；20, second
Control valve.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figure 1 to Figure 3, an embodiment of the present invention provides a kind of thermal management device of battery, including compressor
1, external heat exchanger 2, four-way valve 3, battery heat exchanger 4, the first expansion valve 5, the first pipeline 6 and the second pipeline 7, the four-way valve
With first interface 3a, second interface 3b, third interface 3c and the 4th interface 3d, the entrance of the compressor 1 and the third
Interface 3c connection, the outlet of the compressor 1 are connect with the first interface 3a, one end of first pipeline 6 and described the
Two interface 3b connections, the other end of first pipeline 6 are connect with one end of the battery heat exchanger, second pipeline 7
One end is connect with the 4th interface 3d, and the other end of second pipeline 7 is connect with the other end of the battery heat exchanger 4,
The external heat exchanger 2 and the first expansion valve 5 are arranged on first pipeline 6, and first expansion valve 5 is located at the outside
Between heat exchanger and the battery heat exchanger.The battery heat exchanger 4 can exchange heat with battery (packet).
Thermal management device of battery provided by the above embodiment, when first interface 3a is connected to second interface 3b, through compressing
The overheat gaseous working medium for the high temperature and pressure that machine 1 obtains forms the liquid refrigerant of medium temperature high pressure, medium temperature after the heat exchange of external heat exchanger 2
The liquid refrigerant or gas-liquid two-phase mixing work for the low-temp low-pressure that the liquid refrigerant of high pressure is formed after first expansion valve 5 throttling
Matter enters battery heat exchanger 4 and participates in heat exchange, to take away the heat that battery distributes, realizes the cooling of battery.When the first interface
When 3a is connected to the 4th interface 3d, the overheat gaseous working medium of the high temperature and pressure obtained through compressor 1 is through second pipeline 7
It participates in exchanging heat into the battery heat exchanger 4, to supply the cell heat, realizes the heating of battery.Battery thermal management dress
It sets, the heating and cooling of battery is realized by control four-way valve, battery is made to be in reasonable use environment, so that it is guaranteed that battery
Service performance and security performance, to extend the service life of battery.
As shown in Figure 1, the thermal management device of battery further includes being connected to the third interface 3c and the compressor 1
Gas-liquid separator 8 between entrance, in this way, guarantee that the compressor 1 sucks from the gas-liquid separator 8 is low-temp low-pressure
Gaseous working medium obtains the overheat gaseous working medium of high temperature and pressure after the compressor 1 compression.The thermal management device of battery also wraps
Include the first temperature sensor 9 of the temperature of one end for detecting the battery heat exchanger 4 and for detecting the battery heat exchange
The second temperature sensor 10 of the temperature of the other end of device 4, to realize to the inlet of battery heat exchanger 4 and the temperature of opening
Real-time monitoring, and adjust according to monitoring result the heat management to battery in real time.
In embodiment shown in FIG. 1, the battery heat exchanger 4 is plate heat exchanger.
As shown in Figure 1, the thermal management device of battery further includes defroster duct 11 and solenoid valve 12, the defroster duct 11
One end be connected to first pipeline 6 between the external heat exchanger 2 and first expansion valve 5, the defrosting
The other end of pipeline 11 is connected on second pipeline 7, and the solenoid valve 12 is arranged on the defroster duct 11.When described
When battery when thermal management device of battery is used for winter heats, by the mistake hot gaseous work of the high temperature and pressure on second pipeline 7
Matter is passed through the external heat exchanger 2 by the defroster duct 11, and the frosting being likely to occur to avoid the external heat exchanger 2 is asked
Topic.The external heat exchanger 2 can be learnt with the presence or absence of frosting problem by the pressure of the external heat exchanger 2.
As shown in Fig. 2, the first interface 3a is connected to the second interface 3b, the third interface when battery freezes
3c is connected to the 4th interface 3d, the compressor 1 by the gas-liquid separator 8 draw low area overheat gaseous working medium,
The overheat gaseous working medium of high temperature and pressure is formed after compression, described in the channel being made of first interface 3a and second interface 3b enters
First pipeline 6, the overheat gaseous working medium of high temperature and pressure form the liquid work of medium temperature high pressure after heat release at the external heat exchanger 2
Matter, and after 5 reducing pressure by regulating flow of the first expansion valve formed low-temp low-pressure liquid refrigerant or gas-liquid two-phase mixed working fluid, then
Into the battery heat exchanger 4 and the heat of battery heat exchanger 4 is absorbed to realize the cooling of battery, the liquid refrigerant of medium temperature high pressure
The overheat gaseous working medium that low-temp low-pressure is formed after heat release, through second pipeline 7 and by the third interface 3c and described the
The channel of four interface 3d composition enters the gas-liquid separator 8, carries out next circulation by the compressor 1 sucking.The battery
For heat management device in cooling battery, the medium cooling for battery is the liquid refrigerant of low-temp low-pressure, for air,
Substantially increase heat transfer efficiency.
As shown in figure 3, the first interface 3a is connected to the 4th interface 3d, the second interface when battery heats
3b is connected to the third interface 3c, the compressor 1 by the gas-liquid separator 8 draw low area overheat gaseous working medium,
The overheat gaseous working medium of high temperature and pressure is formed after compression, described in the channel being made of first interface 3a and the 4th interface 3d enters
Second pipeline 7, and enter the battery heat exchanger 4 to provide heat to the battery heat exchanger 4, realize the heating of battery, it is high
The liquid refrigerant that medium temperature high pressure is formed after the overheat gaseous working medium heat release of warm high pressure enters first pipeline 6, through described first
The liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure are formed after 5 reducing pressure by regulating flow of expansion valve, then from the external heat exchanger 2
The superheated steam of low-temp low-pressure is formed after heat absorption, the channel being finally made of the second interface 3b and the third interface 3c into
Enter the gas-liquid separator 8 and next circulation is carried out by the compressor 1 sucking.When needing to defrost, by second pipeline 7
On the overheat gaseous working medium of high temperature and pressure be passed through the external heat exchanger 2 by the defroster duct 11.
Fig. 4 to Fig. 8 is the air-conditioning system that another embodiment of the utility model provides, including internal exchanger 13, third pipe
Road 14, the 4th pipeline 15, the 5th pipeline 16, the second expansion valve 17, third expansion valve 18, the first control valve 19, the second control valve
20, the 5th pipeline 16 and above-mentioned thermal management device of battery (eliminating defroster) flow through the medium of first expansion valve 5
Flow is adjustable, and first control valve 19 is arranged on second pipeline 7, and one end of the third pipeline 14 is connected to described
The position between the second interface 3b and the external heat exchanger 2 of first pipeline 6, the third pipeline 14 it is another
End is connected to the position between one end and first expansion valve 5 positioned at the battery heat exchanger 4 of first pipeline 6,
Second control valve 20 is arranged on the third pipeline 14, and one end of the 4th pipeline 15 is connected to second pipeline
7 position between the 4th interface 3d and first control valve 19, the other end connection of the 4th pipeline 15
Position between the other end and first control valve 19 positioned at the battery heat exchanger 4 of second pipeline 7, it is described
Internal exchanger 13 and the second expansion valve 17 are arranged on the 4th pipeline 15, and second expansion valve 17 is located at the battery
Between the other end of heat exchanger 4 and the internal exchanger 13, the rate-of flow for flowing through second expansion valve 17 is adjustable, described
One end of 5th pipeline 16 be connected to first pipeline 6 between the external heat exchanger 2 and first expansion valve 5
Position, the other end of the 5th pipeline 16 be connected to the 4th pipeline 15 be located at the internal exchanger 13 with it is described
Position between second expansion valve 17, the third expansion valve 18 are arranged on the 5th pipeline 16, and it is swollen to flow through the third
The rate-of flow of swollen valve 18 is adjustable.
Air-conditioning system provided by the above embodiment, in compartment, setting can be used for battery heating and electricity on the basis of air-conditioning system
The cooling pipeline in pond realizes cooling and heating for battery by the first pipeline 6 and third pipeline 14 in chiller compartment respectively,
When compartment heats, the heating and cooling of battery are realized respectively by the second pipeline 7 and the 4th pipeline 15.Battery thermal management dress
It sets and is not limited by compartment working condition, the heating and cooling of battery can be realized, battery is made to be in reasonable temperature environment, from
And ensure the service performance and security performance of battery, to extend the service life of battery, while ensuring to enter the battery and exchanging heat
The cooling medium of device 4 is liquid, improves heat exchange efficiency.The air-conditioning system that the embodiment provides, does not need in original air-conditioning system
The air-conditioning system for battery thermal management is additionally set up on the basis of (especially integrated air conditioner) to mention to save cost
The high utility value of original air-conditioning system.
As shown in Figures 4 and 5, work as chiller compartment, when needing to heat battery, close first expansion valve 5 and first
Control valve 19, and it is shown in a fully open operation second control valve 20, the first interface 3a is connected to the second interface 3b,
The third interface 3c is connected to the 4th interface 3d, and the compressor 1 is by drawing low area overheat in the gas-liquid separator 8
Gaseous working medium, after compression formed high temperature and pressure overheat gaseous working medium by first interface 3a and second interface 3b form lead to
Road enters first pipeline 6, and the overheat gaseous working medium of a part of high temperature and pressure is by third pipeline 14 through second control valve
20 enter the battery heat exchanger 4 to provide heat to the battery heat exchanger 4, realize the heating of battery, the mistake of high temperature and pressure
Hot gaseous working medium forms the liquid refrigerant of medium temperature high pressure after 4 heat release of battery heat exchanger and enters the 4th pipeline 15,
After 17 reducing pressure by regulating flow of the second expansion valve formed low-temp low-pressure liquid refrigerant or gas-liquid two-phase mixed working fluid and enter institute
Internal exchanger 13 is stated to absorb the heat of interior air, realizes the refrigeration in compartment, the liquid refrigerant or gas of low-temp low-pressure
Liquid two-phase mixtures working medium forms the superheated steam of low-temp low-pressure after absorbing heat at the internal exchanger 13, then is connect by the third
The channel of mouth 3c and the 4th interface 3d composition enters the gas-liquid separator 8, next by the compressor 1 sucking progress
Circulation.
The overheat gaseous working medium of another part high temperature and pressure is by first pipeline 6 after 2 heat release of external heat exchanger
The liquid refrigerant for forming medium temperature high pressure enters the 5th pipeline 16, forms low temperature after 18 reducing pressure by regulating flow of third expansion valve
The liquid refrigerant or gas-liquid two-phase mixed working fluid of low pressure simultaneously enter the internal exchanger 13 to absorb the heat of interior air
Amount, realizes the refrigeration in compartment, the liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure are inhaled at the internal exchanger 13
The superheated steam that low-temp low-pressure is formed after heat, entered by the channel that the third interface 3c and the 4th interface 3d are formed described in
Gas-liquid separator 8 carries out next circulation by the compressor 1 sucking.
As shown in Fig. 4 and Fig. 6, work as chiller compartment, when needing cooling battery, closes second expansion valve 17 and the second control
Valve 20 processed, and it is shown in a fully open operation first control valve 19, the first interface 3a is connected to the second interface 3b, institute
It states third interface 3c to be connected to the 4th interface 3d, the compressor 1 is by drawing low area overheat in the gas-liquid separator 8
Gaseous working medium forms the overheat gaseous working medium of high temperature and pressure after compression, is made of first interface 3a and second interface 3b logical
Road enters first pipeline 6, and the overheat gaseous working medium of high temperature and pressure forms medium temperature high pressure after 2 heat release of external heat exchanger
Liquid refrigerant, the liquid refrigerant of a part of medium temperature high pressure shape after 5 reducing pressure by regulating flow of the first expansion valve on first pipeline 6
At the liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure and into the battery heat exchanger 4 to absorb battery heat exchanger 4
Heat, realize the cooling of battery, the liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure are put in the battery heat exchanger 4
The overheat gaseous working medium of low-temp low-pressure is formed after heat, then through first control valve 19 and the third interface 3c and the described 4th
The channel of interface 3d composition enters the gas-liquid separator 8, carries out next circulation by the compressor 1 sucking.
The liquid refrigerant of another part medium temperature high pressure throttles through the third expansion valve 18 on the 5th pipeline 16 to drop
After pressure formed low-temp low-pressure liquid refrigerant or gas-liquid two-phase mixed working fluid and enter the internal exchanger 13 to absorb compartment
The heat of inner air realizes the refrigeration in compartment, and the liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure are in the inside
The overheat gaseous working medium of low-temp low-pressure is formed after absorbing heat at heat exchanger 13, then by the third interface 3c and the 4th interface 3d
The channel of composition enters the gas-liquid separator 8, carries out next circulation by the compressor 1 sucking.
As shown in fig. 7, when needing to heat battery, closing second expansion valve 17 and the second control when compartment heats
Valve 20, and it is shown in a fully open operation first control valve 19, the first interface 3a is connected to the 4th interface 3d, described
Second interface 3b is connected to the third interface 3c, the compressor 1 by the gas-liquid separator 8 draw low area overheat gas
State working medium, the overheat gaseous working medium for forming high temperature and pressure after compression are made of the first interface 3a and the 4th interface 3d
Channel enter second pipeline 7, the overheat gaseous working medium of a part of high temperature and pressure enters institute through first control valve 19
Battery heat exchanger 4 is stated to provide heat to battery, realizes the heating of battery, the overheat gaseous working medium of high temperature and pressure is in the battery
The liquid refrigerant of medium temperature high pressure is formed at heat exchanger 4 after heat release, and through 5 section of the first expansion valve on first pipeline 6
Stream decompression forms the liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure, then shape after absorbing heat from the external heat exchanger 2
At the superheated steam of low-temp low-pressure, divided by the channel that the second interface 3b and the third interface 3c are formed into the gas-liquid
Next circulation is carried out by the compressor 1 sucking from device 8.
The overheat gaseous working medium of another part high temperature and pressure through the 4th pipeline 15 enter the internal exchanger 13 with
Heat is supplied to compartment, realizes the heating in compartment, overheat gaseous working medium heat release at the internal exchanger 13 of high temperature and pressure
The liquid refrigerant of medium temperature high pressure is formed afterwards, and is formed after 18 reducing pressure by regulating flow of third expansion valve of the 5th pipeline 16 low
The liquid refrigerant or gas-liquid two-phase mixed working fluid of warm low pressure, then absorb heat to form the mistake of low-temp low-pressure from the external heat exchanger 2
Hot steam, the channel being made of the second interface 3b and third interface 3c enter the gas-liquid separator 8 by the compressor 1
Sucking carries out next circulation.
When heating as shown in figure 8, working as compartment, and needing cooling battery, first expansion valve 5 and the first control valve are closed
19, and it is shown in a fully open operation second control valve 20, the first interface 3a is connected to the 4th interface 3d, and described
Two interface 3b are connected to the third interface 3c, the compressor 1 by the gas-liquid separator 8 draw low area overheat gaseous state
Working medium, the overheat gaseous working medium of formation high temperature and pressure is made of the first interface 3a and the 4th interface 3d after compression
Channel enters the internal exchanger 13 to supply heat to compartment, realizes the heating in compartment, the mistake hot gaseous work of high temperature and pressure
Matter forms the liquid refrigerant of medium temperature high pressure, the liquid refrigerant warp of a part of medium temperature high pressure after heat release at the internal exchanger 13
The liquid refrigerant or gas-liquid two-phase of low-temp low-pressure are formed after 18 reducing pressure by regulating flow of third expansion valve on 5th pipeline 16
Mixed working fluid, and absorb heat to form the overheat gaseous working medium of low-temp low-pressure from the external heat exchanger 2, by the second interface 3b
Enter the gas-liquid separator 8 with the channel of third interface 3c composition and next circulation is carried out by the compressor 1 sucking.
The liquid refrigerant of another part medium temperature high pressure throttles through second expansion valve 17 on the 4th pipeline 15 to drop
The liquid refrigerant or gas-liquid two-phase mixed working fluid of low-temp low-pressure are formed after pressure, and enter the battery heat exchanger 4 to absorb battery
Heat, realize the cooling of battery, the liquid refrigerant of medium temperature high pressure forms low-temp low-pressure after absorbing heat at the battery heat exchanger 4
Overheat gaseous working medium, the channel being made of by second control valve 20 the second interface 3b and the third interface 3c
Next circulation is carried out by the compressor 1 sucking into the gas-liquid separator 8.
The heat management system that the embodiment provides is closing the second expansion valve 17, third expansion valve 18 and the second control valve
20, open first control valve 19 when, be equivalent to the heat management system of Fig. 1 to embodiment shown in Fig. 3, that is, when compartment not
When needing to freeze and heat, cooling and heating for battery can also be equally realized, specific working principle is referring to fig. 2 and Fig. 3.
The first expansion valve 5, the second expansion valve 17 and third expansion valve 18 in above-described embodiment are electric expansion valve, energy
Enough realize that the fully closed continuity to standard-sized sheet is adjusted, so that flowing through the rate-of flow of first expansion valve 5, flowing through described the
The rate-of flow of two expansion valves 17 and the rate-of flow for flowing through the third expansion valve 18 are adjustable.
However, in other embodiments, the thermal management device of battery further includes third control valve (not shown),
Four control valve (not shown)s and the 5th control valve (not shown), the third control valve are arranged in first pipeline
6 between the external heat exchanger 2 and first expansion valve 5, the 4th control valve is arranged in the 4th pipeline
15 between second expansion valve 17 and the internal exchanger 13, the 5th control valve setting is in the 5th pipe
Road 16 between the internal exchanger 13 and the third expansion valve 18.It is realized with this and flows through first expansion valve 5
Rate-of flow, flow through the rate-of flow of second expansion valve 17 and flow through the rate-of flow of the third expansion valve 18 can
It adjusts.
In above-described embodiment, first control valve 19 and the second control valve 20 are electric expansion valve.
However, in other embodiments, first control valve 19 and the second control valve 20 can also be other valve kinds, only
It is able to achieve opening or closing for valve.
As shown in figure 9, the utility model another embodiment additionally provides a kind of air-conditioning system, with Fig. 4 to reality shown in Fig. 8
Apply example the difference is that, in the embodiment, the air-conditioning system further includes defroster duct 11 and solenoid valve 12, the defrosting
One end of pipeline 11 be connected to the 5th pipeline 16 between the external heat exchanger and the third expansion valve 18, institute
The other end for stating defroster duct 11 is connected to the other end positioned at the battery heat exchanger 4 and described the of second pipeline 7
Position between one control valve 19, the solenoid valve 12 are arranged on the defroster duct 11.
The another embodiment of the utility model additionally provides a kind of vehicle, including above-mentioned thermal management device of battery.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of thermal management device of battery, which is characterized in that including compressor, external heat exchanger, four-way valve, battery heat exchanger,
First expansion valve, the first pipeline and the second pipeline, the four-way valve have first interface, second interface, third interface and the 4th
Interface, the entrance of the compressor are connect with the third interface, and the outlet of the compressor is connect with the first interface, institute
The one end for stating the first pipeline is connect with the second interface, one end of the other end of first pipeline and the battery heat exchanger
Connection, one end of second pipeline are connect with the 4th interface, and the other end and the battery of second pipeline exchange heat
The other end of device connects；
The external heat exchanger and the first expansion valve are arranged on first pipeline, and first expansion valve is located at the outside
Between heat exchanger and the battery heat exchanger.
2. thermal management device of battery according to claim 1, which is characterized in that the thermal management device of battery further includes connecting
Connect the gas-liquid separator between the third interface and the entrance of the compressor.
3. thermal management device of battery according to claim 1, which is characterized in that the thermal management device of battery further includes using
In the first temperature sensor of the temperature of the one end for detecting the battery heat exchanger and for detecting the another of the battery heat exchanger
The second temperature sensor of the temperature of one end.
4. thermal management device of battery according to claim 1, which is characterized in that the battery heat exchanger is plate-type heat-exchange
Device.
5. thermal management device of battery according to any one of claims 1-4, which is characterized in that the battery thermal management dress
Setting further includes defroster duct and solenoid valve, and the outside that is located at that one end of the defroster duct is connected to first pipeline is changed
Position between hot device and first expansion valve, the other end of the defroster duct is connected on second pipeline, described
Solenoid valve is arranged on the defroster duct.
6. a kind of air-conditioning system, which is characterized in that including internal exchanger, third pipeline, the 4th pipeline, the 5th pipeline, second
Battery thermal management described in expansion valve, third expansion valve, the first control valve, the second control valve and claim 1-4 any one
Device, the rate-of flow for flowing through first expansion valve is adjustable, and first control valve is arranged on second pipeline；
One end of the third pipeline be connected to first pipeline be located at the second interface and the external heat exchanger it
Between position, the other end of the third pipeline is connected to one end positioned at the battery heat exchanger and the institute of first pipeline
The position between the first expansion valve is stated, second control valve is arranged on the third pipeline；
One end of 4th pipeline be connected to second pipeline be located at the 4th interface and first control valve it
Between position, the other end of the 4th pipeline be connected to the other end positioned at the battery heat exchanger of second pipeline with
Position between first control valve, the internal exchanger and the second expansion valve are arranged on the 4th pipeline, described
Second expansion valve is located between the other end and the internal exchanger of the battery heat exchanger, flows through second expansion valve
Rate-of flow is adjustable；
What one end of the 5th pipeline was connected to first pipeline is located at the external heat exchanger and first expansion valve
Between position, what the other end of the 5th pipeline was connected to the 4th pipeline is located at the internal exchanger and described the
Position between two expansion valves, the third expansion valve are arranged on the 5th pipeline, flow through Jie of the third expansion valve
Mass flow amount is adjustable.
7. air-conditioning system according to claim 6, which is characterized in that the air-conditioning system further includes defroster duct and electromagnetism
Valve, one end of the defroster duct be connected to the 5th pipeline be located at the external heat exchanger and the third expansion valve it
Between, the other end of the defroster duct is connected to the other end positioned at the battery heat exchanger and described the of second pipeline
Position between one control valve, the solenoid valve are arranged on the defroster duct.
8. air-conditioning system according to claim 6 or 7, which is characterized in that first expansion valve, the second expansion valve and
Three expansion valves are electric expansion valve.
9. air-conditioning system according to claim 6 or 7, which is characterized in that the thermal management device of battery further includes third
Control valve, the 4th control valve and the 5th control valve, the third control valve be arranged in first pipeline be located at the outside
Between heat exchanger and first expansion valve, expanding positioned at described second for the 4th pipeline is arranged in the 4th control valve
Between valve and the internal exchanger, the 5th control valve be arranged in the 5th pipeline be located at the internal exchanger with
Between the third expansion valve.
10. a kind of vehicle, which is characterized in that including thermal management device of battery described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027950.3U CN208539065U (en) | 2018-06-29 | 2018-06-29 | Thermal management device of battery, air-conditioning system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027950.3U CN208539065U (en) | 2018-06-29 | 2018-06-29 | Thermal management device of battery, air-conditioning system and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN208539065U true CN208539065U (en) | 2019-02-22 |
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| CN201821027950.3U Active CN208539065U (en) | 2018-06-29 | 2018-06-29 | Thermal management device of battery, air-conditioning system and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811153A (en) * | 2019-04-12 | 2020-10-23 | 杭州三花研究院有限公司 | Thermal management assembly and thermal management system |
| WO2023093002A1 (en) * | 2021-11-29 | 2023-06-01 | 青岛海尔空调器有限总公司 | Control method for temperature management system of vehicle, and temperature management system |
| WO2023093003A1 (en) * | 2021-11-29 | 2023-06-01 | 青岛海尔空调器有限总公司 | Control method for temperature management system of vehicle, and temperature management system |
| CN117438698A (en) * | 2023-12-08 | 2024-01-23 | 深圳市德兰明海新能源股份有限公司 | Battery heat exchange system |
-
2018
- 2018-06-29 CN CN201821027950.3U patent/CN208539065U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811153A (en) * | 2019-04-12 | 2020-10-23 | 杭州三花研究院有限公司 | Thermal management assembly and thermal management system |
| CN111811153B (en) * | 2019-04-12 | 2022-07-29 | 浙江三花智能控制股份有限公司 | Thermal management assembly and thermal management system |
| WO2023093002A1 (en) * | 2021-11-29 | 2023-06-01 | 青岛海尔空调器有限总公司 | Control method for temperature management system of vehicle, and temperature management system |
| WO2023093003A1 (en) * | 2021-11-29 | 2023-06-01 | 青岛海尔空调器有限总公司 | Control method for temperature management system of vehicle, and temperature management system |
| CN117438698A (en) * | 2023-12-08 | 2024-01-23 | 深圳市德兰明海新能源股份有限公司 | Battery heat exchange system |
| CN117438698B (en) * | 2023-12-08 | 2024-03-26 | 深圳市德兰明海新能源股份有限公司 | Battery heat exchange system |
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