CN208343976U - A kind of new energy car battery heat management system - Google Patents
A kind of new energy car battery heat management system Download PDFInfo
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- CN208343976U CN208343976U CN201820610947.8U CN201820610947U CN208343976U CN 208343976 U CN208343976 U CN 208343976U CN 201820610947 U CN201820610947 U CN 201820610947U CN 208343976 U CN208343976 U CN 208343976U
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- expansion valve
- heat exchanger
- electromagnetism
- outlet
- heat exchange
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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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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of new energy car battery heat management system, including battery heat exchange unit and air-conditioning heat exchange unit, battery heat exchange unit includes the battery cooling plate being arranged in battery pack, plate heat exchanger and electronic water pump；Air-conditioning heat exchange unit includes compressor and the electromagnetism thermal expansion valve for being integrated with solenoid valve, and electromagnetism thermal expansion valve is connected to plate heat exchanger by pipeline；The outlet of compressor is connected with vehicle external heat exchanger, throttle orifice pipe and flash vessel in turn, the vapor outlet of flash vessel is connected to the middle pressure input port of compressor, the outlet of flash vessel is connected separately with electric expansion valve and electromagnetism thermal expansion valve, is connected with gas-liquid separator between electromagnetism thermal expansion valve and compressor；The outlet of electric expansion valve is connected to the interior evaporator of air-conditioning, and the outlet of interior evaporator is connected to gas-liquid separator.The utility model has compact-sized, can battery pack be freezed or be heated, be conducive to make the advantages that battery pack work is in optimum temperature range.
Description
Technical field
The utility model relates to new energy car battery technical fields, in particular to a kind of new energy car battery heat pipe
Reason system.
Background technique
For power battery during high current charge-discharge, inside battery can gather a large amount of heat, if heat excludes not in time
Then battery pack temperature sharply increases, especially large-capacity battery pack, and usual thermal discharge is higher and the need due to meeting energy density
It is easier to accumulation heat, so as to cause thermal runaway, battery release gas is further brought, smolders, the consequence of leakage, in some instances it may even be possible to
Battery can be caused to burn, otherwise battery pack is in low temperature environment, the service life may be shortened, weaken discharge capability, institute
It is particularly important with the temperature management of power battery.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of knot
Structure is compact, can battery pack be freezed or be heated, and is conducive to make new energy of the battery pack work in optimum temperature range
Automobile batteries heat management system.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of new energy car battery heat management system, including battery heat exchange unit and air-conditioning heat exchange unit；Its feature exists
In, the battery heat exchange unit include the battery cooling plate being arranged in battery pack, plate heat exchanger and electronic water pump, it is described
Battery cooling plate, plate heat exchanger and electronic water pump pass through the internal battery thermal cycle piping connection containing heat exchange liquid；The sky
Exchanging hot cell includes compressor and the electromagnetism thermal expansion valve for being integrated with solenoid valve, has two groups pairs on the electromagnetism thermal expansion valve
The refrigerant inlet and refrigerant exit that should be arranged, two refrigerant exits are respectively connected to the plate heat exchanger by pipeline
On two heat exchange mouths；The outlet of the compressor is connected with vehicle external heat exchanger, throttle orifice pipe and flash vessel, the flash distillation in turn
The vapor outlet of device is connected to the middle pressure input port of the compressor, and another outlet of the flash vessel is connected respectively by the first threeway
Be connected to a refrigerant inlet of electric expansion valve and the electromagnetism thermal expansion valve, another refrigerant of the electromagnetism thermal expansion valve into
Gas-liquid separator is connected between mouth and the air inlet of the compressor；The outlet of the electric expansion valve passes through the first electromagnetism two
Port valve is connected to the interior evaporator of air-conditioning, and the outlet of the interior evaporator is connected to the gas-liquid separator.
Using the above structure, it when work, after gaseous coolant is compressed into liquid by compressor, is sent into vehicle external heat exchanger, it is cold
Matchmaker's volume under the action of compressor becomes smaller, so that temperature increases, into after vehicle external heat exchanger, passes through vehicle external heat exchanger and the external world
It exchanges heat, to reduce the temperature of refrigerant, liquid refrigerants passes through throttle orifice pipe, forms gas-liquid mixture phase, gas-liquid mixed shape
After the refrigerant of state enters in flash vessel, gaseous coolant is entered in compressor, while taking away a large amount of heat, so that liquid is cold
The temperature of matchmaker further decreases to form supercooled liquid refrigerant, and a part of supercooled liquid refrigerant enters plate by electromagnetism thermal expansion valve
It in formula heat exchanger, exchanges heat with the heat exchange liquid in plate heat exchanger, to reduce the temperature of heat exchange liquid.Low-temperature heat exchange liquid is in electricity
It is recycled into the battery cooling plate in battery pack under the action of sub- water pump, cools down to battery pack, so as to prevent electricity
The temperature of pond group is excessively high, makes battery pack work in optimum temperature range.Another part supercooled liquid refrigerant enters in air-conditioning
Evaporator exchanges heat with the circulated air of air-conditioning, freezes with crew module.Supercooled liquid refrigerant temperature after heat exchange increases and becomes
Gaseous state can be carried out circulation into compressor after then entering gas-liquid separator removal liquid by pipeline.Due to electric expansion valve
Outlet be provided with the first electromagnetism two-port valve, in this way, closing the first electromagnetism two-port valve, open electromagnetism thermal expansion valve, allow supercooled liquid
State refrigerant enters battery heat exchange unit, so that it may realize and carry out separate refrigeration to battery pack.The first electromagnetism two-port valve is opened, is closed
Electromagnetism thermal expansion valve is closed, supercooled liquid refrigerant is allowed to enter in air-conditioning, so that it may realize and separate refrigeration is carried out to crew module.And simultaneously
Open the first electromagnetism two-port valve and electromagnetism thermal expansion valve, so that it may while realizing the refrigeration of crew module and battery pack.
Further, it is also connected between the outlet of the compressor and the vehicle external heat exchanger and is provided with the second threeway, institute
Another outlet for stating the second threeway passes through in piping connection to a heat exchange mouth of the plate heat exchanger, the plate heat exchanger
Another heat exchange mouth be connected to the electric expansion valve；The vehicle external heat exchanger connects one end piping connection of the compressor
To the gas-liquid separator.
In this way, when closing the first electromagnetism two-port valve and electromagnetism thermal expansion valve, since flash vessel is between electromagnetism thermal expansion valve
Circuit disconnect, the compression refrigerant of compressor outlet can select the flowing of pressure smaller circuit, therefore compression refrigerant passes through pipeline
Plate heat exchanger is entered, and the heat exchange liquid in temperature raised in compression process and plate heat exchanger is subjected to heat exchange, from
And the temperature of heat exchange liquid is improved, heat exchange liquid is flowed under the action of electronic water pump in battery cooling plate, to realize to battery pack
Heating.Refrigerant after heat exchange is after electric expansion valve, and into flash vessel, a part of gaseous coolant enters compression
In machine, another part liquid refrigerants flows through vehicle external heat exchanger (being equivalent to evaporator), heat exchange is carried out with the external world, eventually by gas
Liquid/gas separator returns in compressor.
Further, another outlet of second threeway is additionally coupled to the inner condenser of air-conditioning, the inner condenser
Outlet is connected to the electric expansion valve by being provided with the pipeline of the second electromagnetism two-port valve.
In this way, a part of compression refrigerant is able to enter in inner condenser, heat exchange is carried out with the circulated air in air-conditioning, is mentioned
The temperature of high circulation wind, to realize to being heated in crew module.Due to being set on the pipeline between inner condenser and electric expansion valve
It is equipped with second solenoid valve, can realize the independent heating to battery pack by closing the second electromagnetism two-port valve.
Further, third electromagnetism two-port valve is provided on the pipeline of second threeway and the plate heat exchanger.
In this way, can be by closing independent heating of the third electromagnetism two-port valve realization to crew module.
Further, the 4th electromagnetism two is additionally provided on the pipeline between the vehicle external heat exchanger and the gas-liquid separator
Port valve.
In this way, can be cooperated by the 4th electromagnetism two-port valve, the first electromagnetism two-port valve and electromagnetism thermal expansion valve, it is real
The refrigeration of existing battery thermal management system and the conversion of heating mode, so that conversion is relatively reliable.
It further, further include the electronic fan of the setting of vehicle external heat exchanger described in face.
In this way, the heat exchange efficiency between the refrigerant and air in vehicle external heat exchanger can be improved.
Further, the electric expansion valve is also serially connected with filter away from one end of the flash vessel.
In conclusion the utility model have it is compact-sized, can battery pack be freezed or be heated, be conducive to make electricity
The advantages that group work in pond is in optimum temperature range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail.
When specific implementation: as shown in Figure 1, a kind of new energy car battery heat management system, including 1 He of battery heat exchange unit
Air-conditioning heat exchange unit 2；The battery heat exchange unit 1 includes the battery cooling plate 11 being arranged in battery pack, plate heat exchanger 12
And electronic water pump 13, the battery cooling plate 11, plate heat exchanger 12 and electronic water pump 13 contain the liquid that exchanges heat by internal
Battery thermal cycle piping connection；The air-conditioning heat exchange unit 2 includes compressor 21 and the electromagnetism thermal expansion valve for being integrated with solenoid valve
26, there are on the electromagnetism thermal expansion valve 26 two groups of refrigerant inlets being correspondingly arranged and refrigerant exit, two refrigerant exits
It is respectively connected on two heat exchange mouths of the plate heat exchanger 12 by pipeline；The outlet of the compressor 21 is connected in turn
Vehicle external heat exchanger 22, throttle orifice pipe 23 and flash vessel 24, the vapor outlet of the flash vessel 24 are connected to the compressor 21
Another outlet of middle pressure input port, the flash vessel 24 is connected separately with electric expansion valve 25 and the electromagnetism by the first threeway
One refrigerant inlet of thermal expansion valve 26, another refrigerant inlet of the electromagnetism thermal expansion valve 26 and the compressor 21 into
Gas-liquid separator 28 is connected between port；The outlet of the electric expansion valve 25 is connected to air-conditioning by the first electromagnetism two-port valve
Interior evaporator 27, the outlet of the interior evaporator 27 is connected to the gas-liquid separator 28.
Using the above structure, it when work, after gaseous coolant is compressed into liquid by compressor, is sent into vehicle external heat exchanger, it is cold
Matchmaker's volume under the action of compressor becomes smaller, so that temperature increases, into after vehicle external heat exchanger, passes through vehicle external heat exchanger and the external world
It exchanges heat, to reduce the temperature of refrigerant, liquid refrigerants passes through throttle orifice pipe, forms gas-liquid mixture phase, gas-liquid mixed shape
After the refrigerant of state enters in flash vessel, gaseous coolant is entered in compressor, while taking away a large amount of heat, so that liquid is cold
The temperature of matchmaker further decreases to form supercooled liquid refrigerant, and a part of supercooled liquid refrigerant enters plate by electromagnetism thermal expansion valve
It in formula heat exchanger, exchanges heat with the heat exchange liquid in plate heat exchanger, to reduce the temperature of heat exchange liquid.Low-temperature heat exchange liquid is in electricity
It is recycled into the battery cooling plate in battery pack under the action of sub- water pump, cools down to battery pack, so as to prevent electricity
The temperature of pond group is excessively high, makes battery pack work in optimum temperature range.Another part supercooled liquid refrigerant enters in air-conditioning
Evaporator exchanges heat with the circulated air of air-conditioning, freezes with crew module.Supercooled liquid refrigerant temperature after heat exchange increases and becomes
Gaseous state can be carried out circulation into compressor after then entering gas-liquid separator removal liquid by pipeline.Due to electric expansion valve
Outlet be provided with the first electromagnetism two-port valve, in this way, closing the first electromagnetism two-port valve, open electromagnetism thermal expansion valve, allow supercooled liquid
State refrigerant enters battery heat exchange unit, so that it may realize and carry out separate refrigeration to battery pack.The first electromagnetism two-port valve is opened, is closed
Electromagnetism thermal expansion valve is closed, supercooled liquid refrigerant is allowed to enter in air-conditioning, so that it may realize and separate refrigeration is carried out to crew module.And simultaneously
Open the first electromagnetism two-port valve and electromagnetism thermal expansion valve, so that it may while realizing the refrigeration of crew module and battery pack.
When implementation, it is also connected between the outlet of the compressor 21 and the vehicle external heat exchanger 22 and is provided with the second threeway,
Another outlet of second threeway is described board-like to change by piping connection to a heat exchange mouth of the plate heat exchanger 12
Another heat exchange mouth of hot device 12 is connected to the electric expansion valve 25；The vehicle external heat exchanger 22 connects the compressor 21
One end piping connection is to the gas-liquid separator 28.
In this way, when closing the first electromagnetism two-port valve and electromagnetism thermal expansion valve, since flash vessel is between electromagnetism thermal expansion valve
Circuit disconnect, the compression refrigerant of compressor outlet can select the flowing of pressure smaller circuit, therefore compression refrigerant passes through pipeline
Plate heat exchanger is entered, and the heat exchange liquid in temperature raised in compression process and plate heat exchanger is subjected to heat exchange, from
And the temperature of heat exchange liquid is improved, heat exchange liquid is flowed under the action of electronic water pump in battery cooling plate, to realize to battery pack
Heating.Refrigerant after heat exchange is after electric expansion valve, and into flash vessel, a part of gaseous coolant enters compression
In machine, another part liquid refrigerants flows through vehicle external heat exchanger (being equivalent to evaporator), heat exchange is carried out with the external world, eventually by gas
Liquid/gas separator returns in compressor.
When implementation, another outlet of second threeway is additionally coupled to the inner condenser 29 of air-conditioning, the inner condenser 29
Outlet be connected to the electric expansion valve 25 by being provided with the pipeline of the second electromagnetism two-port valve.
In this way, a part of compression refrigerant is able to enter in inner condenser, heat exchange is carried out with the circulated air in air-conditioning, is mentioned
The temperature of high circulation wind, to realize to being heated in crew module.Due to being set on the pipeline between inner condenser and electric expansion valve
It is equipped with second solenoid valve, can realize the independent heating to battery pack by closing the second electromagnetism two-port valve.
When implementation, third electromagnetism two-port valve is provided on the pipeline of second threeway and the plate heat exchanger 12.
In this way, can be by closing independent heating of the third electromagnetism two-port valve realization to crew module.
When implementation, the 4th electromagnetism is additionally provided on the pipeline between the vehicle external heat exchanger 22 and the gas-liquid separator 28
Two-port valve.
In this way, can be cooperated by the 4th electromagnetism two-port valve, the first electromagnetism two-port valve and electromagnetism thermal expansion valve, it is real
The refrigeration of existing battery thermal management system and the conversion of heating mode, so that conversion is relatively reliable.
It further include the electronic fan 3 of the setting of vehicle external heat exchanger 22 described in face when implementation.
In this way, the heat exchange efficiency between the refrigerant and air in vehicle external heat exchanger can be improved.
When implementation, the electric expansion valve 25 is also serially connected with filter 4 away from one end of the flash vessel 24.
When it is implemented, the air-conditioning heat exchange unit 2 further includes the outer ring sense that 22 outside of vehicle external heat exchanger is arranged in
The import temperature sensing package 52 on the pipeline between the vehicle external heat exchanger 22 and the throttle orifice pipe 23 is arranged in thermometer bulb 51, setting
The interior condenser temperature sensing package 53, Yi Jishe on pipeline between the electric expansion valve 25 and the second electromagnetism two-port valve
Set the temperature/pressure sensor 54 in 21 exit of compressor.
The above is only the preferred embodiment of the utility model only, is not limitation with 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 (7)
1. a kind of new energy car battery heat management system, including battery heat exchange unit (1) and air-conditioning heat exchange unit (2)；It is special
Sign is, the battery heat exchange unit (1) includes the battery cooling plate (11) being arranged in battery pack, plate heat exchanger (12) with
And electronic water pump (13), the battery cooling plate (11), plate heat exchanger (12) and electronic water pump (13) are contained by inside to be changed
The battery thermal cycle piping connection of hydrothermal solution；The air-conditioning heat exchange unit (2) includes compressor (21) and the electricity for being integrated with solenoid valve
Magnetic thermal expansion valve (26), has two groups of refrigerant inlets being correspondingly arranged and refrigerant exit on the electromagnetism thermal expansion valve (26), and two
A refrigerant exit is respectively connected on two heat exchange mouths of the plate heat exchanger (12) by pipeline；The compressor
(21) outlet is connected with vehicle external heat exchanger (22), throttle orifice pipe (23) and flash vessel (24), the flash vessel (24) in turn
Vapor outlet be connected to the middle pressure input port of the compressor (21), another outlet of the flash vessel (24) passes through the first threeway
It is connected separately with a refrigerant inlet of electric expansion valve (25) and the electromagnetism thermal expansion valve (26), the electromagnetism thermal expansion valve
(26) gas-liquid separator (28) are connected between the air inlet of another refrigerant inlet and the compressor (21)；The electronics
The outlet of expansion valve (25) is connected to the interior evaporator (27) of air-conditioning by the first electromagnetism two-port valve, the interior evaporator (27)
Outlet is connected to the gas-liquid separator (28).
2. new energy car battery heat management system as described in claim 1, which is characterized in that the compressor (21) goes out
It is also connected between mouth and the vehicle external heat exchanger (22) and is provided with the second threeway, another outlet of second threeway passes through pipeline
It is connected on a heat exchange mouth of the plate heat exchanger (12), another heat exchange mouth of the plate heat exchanger (12) is connected to
The electric expansion valve (25)；The vehicle external heat exchanger (22) connects one end piping connection of the compressor (21) to the gas
Liquid/gas separator (28).
3. new energy car battery heat management system as claimed in claim 2, which is characterized in that second threeway it is another
Outlet is additionally coupled to the inner condenser (29) of air-conditioning, and the outlet of the inner condenser (29) is by being provided with the second electromagnetism two-port valve
Pipeline be connected to the electric expansion valve (25).
4. new energy car battery heat management system as claimed in claim 3, which is characterized in that second threeway with it is described
Third electromagnetism two-port valve is provided on the pipeline of plate heat exchanger (12).
5. new energy car battery heat management system as claimed in claim 2, which is characterized in that the vehicle external heat exchanger (22)
The 4th electromagnetism two-port valve is additionally provided on pipeline between the gas-liquid separator (28).
6. new energy car battery heat management system as described in claim 1, which is characterized in that further include outside vehicle described in face
The electronic fan (3) of heat exchanger (22) setting.
7. new energy car battery heat management system as described in claim 1, which is characterized in that the electric expansion valve (25)
Filter (4) are also serially connected with away from one end of the flash vessel (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820610947.8U CN208343976U (en) | 2018-04-26 | 2018-04-26 | A kind of new energy car battery heat management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820610947.8U CN208343976U (en) | 2018-04-26 | 2018-04-26 | A kind of new energy car battery heat management system |
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| Publication Number | Publication Date |
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| CN208343976U true CN208343976U (en) | 2019-01-08 |
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| CN201820610947.8U Active CN208343976U (en) | 2018-04-26 | 2018-04-26 | A kind of new energy car battery heat management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674219A (en) * | 2018-04-26 | 2018-10-19 | 力帆实业(集团)股份有限公司 | New energy car battery heat management system |
-
2018
- 2018-04-26 CN CN201820610947.8U patent/CN208343976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674219A (en) * | 2018-04-26 | 2018-10-19 | 力帆实业(集团)股份有限公司 | New energy car battery heat management system |
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