CN106953045A - PHEV battery bag cooling structures - Google Patents
PHEV battery bag cooling structures Download PDFInfo
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- CN106953045A CN106953045A CN201710269103.1A CN201710269103A CN106953045A CN 106953045 A CN106953045 A CN 106953045A CN 201710269103 A CN201710269103 A CN 201710269103A CN 106953045 A CN106953045 A CN 106953045A
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- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 title claims abstract description 40
- 230000007704 transition Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000003507 refrigerant Substances 0.000 claims description 31
- 238000000926 separation method Methods 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 235000019628 coolness Nutrition 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M10/62—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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of PHEV battery bags cooling structure, belong to the technical field of new-energy automobile power battery.The PHEV battery bag cooling structures of the present invention, including battery bag internal module and battery bag external module；Battery bag external module includes compressor, condenser, drying liquid storage device and the expansion valve being connected with drying liquid storage device by pipeline；Battery bag internal module includes evaporator core, transition air channel, air blower and point wind air channel, the input of evaporator core and the output end of expansion valve are connected, the evaporator core is connected with the entrance in transition air channel, the outlet in transition air channel is connected with the entrance of air blower, and the outlet of air blower is connected with the entrance in point wind air channel.The PHEV battery bag cooling structures of the present invention, according to the temperature requirement of PHEV electrokinetic cells, using cooling core body and battery modules subdivision design, while whole system is arranged in battery bag, not only ensure that cooling effect, and further improves sealing.
Description
Technical field
The present invention relates to the technical field of new-energy automobile power battery, it is more particularly related to a kind of PHEV
Battery bag cooling structure.
Background technology
In the prior art, the type of cooling that the electrokinetic cell of the EV and PHEV automobiles in new-energy automobile is used is nature
Cooling, the contact cooling of air-cooled and water-cooled, refrigerant pipe band etc..Wherein air-cooled mode design feature designs fresh wind port for battery bag,
Fresh air is circulated into battery bag by air blower, exchanged heat by way of air radiation conducts, its shortcoming be heat exchange efficiency it is low,
Electrokinetic cell bag sealing effectiveness is poor；The mode feature of refrigerant pipe band contact cooling can be arranged in for design by the pipe band of refrigerant
Battery modules lower end directly contacts battery modules, is cooled down by way of conducting heat exchange, and its shortcoming needs design for cooling circuit
Valve is controlled, the problem of higher is required to control, and is managed with condensation.The design feature of water-cooling pattern is by cooling circulating water road
It is arranged in battery modules, module is cooled down by way of conduction, its shortcoming is that cost is higher, is increased weight more；In the case of failure,
There is security risk.
The content of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of PHEV battery bags are cold
But structure.
In order to solve the technical problem described in invention and realize goal of the invention, present invention employs following technical scheme：
The PHEV battery bag cooling structures of the present invention, it is characterised in that：The cooling structure includes being located inside battery bag
Internal module and the external module outside battery bag；The battery bag external module includes being used for gaseous refrigerant pressure
The compressor of the refrigerant gas of HTHP is shortened into, for the refrigerant gas of the HTHP to be condensed into HTHP
Liquid refrigerant condenser, the drying liquid storage device for buffering and storing the liquid refrigerant, and with it is described dry
The expansion valve that dry reservoir is connected by pipeline；The battery bag internal module includes evaporator core, transition air channel, air blower
With a point wind air channel, the refrigerant input of the evaporator core is connected with the output end of the expansion valve, output of condenser
It is connected with the input of the expansion valve, the cold-air vent of the evaporator core is connected with the entrance in transition air channel, described
The outlet in transition air channel is connected with the entrance of air blower, and the outlet of the air blower is connected with the entrance in point wind air channel.
Wherein, the evaporator core includes casing, and the front end of the casing is provided with air inlet passage, the casing
Rear end be provided with the cold air cabin connected with the air inlet passage, the cold air cabin and be provided with and the transition wind
It is disposed with the cold-air vent of road connection, the air inlet passage in grid-like coolant channel array, the refrigeration
The arrival end of agent channel array is connected by the output end of refrigerant inlet pipeline and expansion valve, the coolant channel array
The port of export is connected by the input of refrigerant outlet pipeline and expansion valve.
Wherein, the bottom of the casing is additionally provided with water leg, and the water leg is arranged on the coolant channel
The lower section of array, and the bottom of the water leg is provided with unidirectional delivery port.
Wherein, the transition air channel include the flat airduct that is connected with the cold-air vent of the evaporator core and with institute
The whirlwind outlet of flat airduct connection is stated, and the length of the flat airduct is more than the diameter that the whirlwind is exported.
Wherein, described point of wind air channel includes the entrance connected with the blower export end, and cold air is distributed
Outlet section near to battery modules, is changeover portion between the entrance and outlet section；And the entrance is along air blast
The machine port of export to the direction of changeover portion has the height gradually uprised, and the width gradually broadened；The changeover portion is along described
The direction of entrance and outlet section has the height of gradually step-down, and the width gradually broadened.
Wherein, the both sides and outer end of the outlet section are provided with air outlet, preferably, and the outlet section has
Constant width and height (i.e. cross section is of similar shape).
Wherein, the length to height ratio in described point of wind air channel be 15~35: 1 between, the ratio of width to height be 1.8~5.5: 1 between.
Wherein, it is provided with the battery bag in main separation, the main separation and is disposed with battery modules.
Wherein, the battery bag also includes secondary separation, and the evaporator core, transition air channel and air blower are located at the pair
In separation, described point of wind air channel is located in main separation.
Compared with immediate prior art, PHEV battery bags cooling structure of the present invention has following beneficial effect
Really：
The PHEV battery bag cooling structures of the present invention, according to the temperature requirement feature of PHEV electrokinetic cells, using cooling core
Body and battery modules subdivision design, combine refrigerant cooling and air-cooled advantage, while whole system is arranged in battery bag,
Cooling effect is not only ensure that, and further improves sealing.
Brief description of the drawings
Fig. 1 is PHEV battery bag cooling principle schematic diagrames of the invention.
Air current flow direction schematic diagram in the PHEV battery bag cooling structures of Fig. 2 present invention.
Fig. 3 is the schematic perspective view of the PHEV battery bag internal cooling structures of the present invention.
Fig. 4 is the floor map of the PHEV battery bag internal cooling structures of the present invention.
Fig. 5 is the structural representation for the evaporator core that PHEV battery bag internal coolings structure is used.
Fig. 6 is cross-sectional structure schematic diagrames of the Fig. 5 along A-A directions.
Fig. 7 is the mplifying structure schematic diagram in the C regions that Fig. 6 encircled portions are indicated.
Fig. 8 is cross-sectional structure schematic diagrames of the Fig. 5 along B-B directions.
Fig. 9 is the left view for the evaporator core that PHEV battery bag internal coolings structure is used.
Figure 10 is the diagram of bowing for the evaporator core that PHEV battery bag internal coolings structure is used.
Figure 11 is the transition air channel structure schematic diagram that PHEV battery bag internal coolings structure is used.
Figure 12 is cross-sectional structure schematic diagrames of the Figure 11 along A-A directions.
Figure 13 is the structural representation for the flat air blower that PHEV battery bag internal coolings structure is used.
Figure 14 is cross-sectional structure schematic diagrames of the Figure 13 along A-A directions.
Figure 15 is point wind air channel structure schematic diagram that PHEV battery bag internal coolings structure is used.
Figure 16 is cross-sectional structure schematic diagrames of the Figure 15 along A-A directions.
Figure 17 is the left view in point wind air channel that PHEV battery bag internal coolings structure is used.
Figure 18 is the PHEV battery pack structure schematic diagrames for being integrated with the internal cooling structure of the present invention.
Embodiment
PHEV battery bags cooling structure of the present invention is further elaborated below with reference to specific embodiment, with
Phase makes more complete and clear explanation to technical scheme.
The PHEV battery bag cooling structures of the present invention, including battery bag internal module and battery bag external module.Such as Fig. 1 institutes
Show, the battery bag external module includes compressor 1, condenser 2, condenser fan 3, drying liquid storage device 4 and expansion valve 5.It is described
Battery bag internal module mainly includes evaporator core and air blower.The refrigeration principle of the cooling structure of the present invention is as follows：Pass through
Gaseous refrigerant is compressed into after the refrigerant gas of HTHP and discharged by compressor 1, flows through condenser, and condenser passes through condensation
Fan 3 radiates, cooling is condensed into the refrigerant gas of HTHP the liquid refrigerant of HTHP, then through drying liquid storage
State becomes the liquid refrigerant of low-temp low-pressure after device, pipeline and expansion valve, throttling, and into evaporator core, absorption flows through steaming
Send out the atmospheric heat of device, reduce air themperature, by air blower blowing cold air, and through point wind air channel tissue airflow passes each
Electrokinetic cell module, produces refrigeration.Refrigerant flashes to the gaseous refrigerant of low-temp low-pressure because of heat absorption simultaneously, expanded
Valve and pipeline are sucked by compressor again, compression, into next circulation.Gas in the PHEV battery bag cooling structures of the present invention
Flow direction is flowed as shown in figure 3, forming hot-air in heat, battery bag because battery work is produced, when temperature reaches that air-conditioning is cooled down
The threshold value of system work, air blower work, hot-air is sucked the evaporator core of the design, absorbs the air for flowing through evaporator
Heat, reduces air themperature, by air blower blowing cold air, and organizes each electrokinetic cell mould of airflow passes through point wind air channel
Group, produces refrigeration.
As shown in Figure 2 and Figure 4, in the present invention, battery bag internal module include evaporator core 10, transition air channel 20,
Air blower 30 and point wind air channel 40.The refrigerant input of the evaporator core is connected with the output end of the expansion valve, system
Cryogen output end is connected with the input of the expansion valve, the cold-air vent of the evaporator core and the entrance in transition air channel
Connection, the outlet in the transition air channel is connected with the entrance of air blower, and the outlet of the air blower connects with the entrance in point wind air channel
It is logical.
As shown in Figure 5-10, the evaporator core includes casing, and the front end of the casing is provided with air inlet passage,
The rear end of the casing is provided with the cold air cabin connected with the air inlet passage, the cold air cabin and is provided with and institute
State and be disposed with the cold-air vent of transition air channel connection, the air inlet passage in grid-like coolant channel array,
The arrival end of the coolant channel array is connected by the output end of refrigerant inlet pipeline and expansion valve, and the refrigerant leads to
The port of export of channel array is connected by the input of refrigerant outlet pipeline and expansion valve.The bottom of the casing is additionally provided with collection
Tank, and the water leg is arranged on the lower section of the coolant channel array, and the bottom of the water leg is provided with list
To delivery port.
As depicted in figs. 11-12, the transition air channel is flat including what is connected with the cold-air vent of the evaporator core
Airduct and the whirlwind outlet connected with the flat airduct, and the length of the flat airduct is more than the straight of whirlwind outlet
Footpath.
As illustrated in figs. 13-14, the air blower that the present invention is used sets for air draught type air blower and reduces space for convenience
The occupancy of volume, form of the blower design into side air-out.
As seen in figs. 15-17, described point of wind air channel includes the entrance connected with the blower export end, and will be cold
The outlet section that air is distributed to battery modules, is changeover portion between the entrance and outlet section；And the entrance
There is the height gradually uprised, and the width gradually broadened along blower export end to the direction of changeover portion；The changeover portion
There is the height of gradually step-down, and the width gradually broadened along the direction of the entrance and outlet section.The outlet section
Both sides and outer end are provided with air outlet, preferably, and the outlet section has constant width and height.Described point of wind
The length to height ratio in air channel be 15~35: 1 between, the ratio of width to height be 1.8~5.5: 1 between.
As shown in figure 18, it is provided with the battery bag in main separation, the main separation and is disposed with battery modules.Wherein,
The battery bag also includes secondary separation, and the evaporator core, transition air channel and air blower are located in the secondary separation, described point
Wind air channel is located in main separation.
By battery bag calculation of Heat Load, the present invention devises the evaporator core 10 of miniaturization, is arranged in compartmentalization and sets
In the battery bag of meter, it act as making the air in battery bag to be exchanged heat when flowing through core body.Because of battery bag height limitation, it is necessary to
Flat blower fan structure 30 is designed, it act as air flow and provides power.Battery modules are cooled down for equilibrium, by being emulated
Analysis, devises transition air channel 20 and point wind air channel 40.For air conditioner coolant good heat-transfer, the characteristics of security is good, fully
Using the principle of air conditioning for automobiles, by calculation of Heat Load, minimized and be arranged in battery bag, technical scheme maturation,
It is reliable, also there is cost advantage with respect to water-cooling project；To solve the problems, such as cold core condensation accumulated water, in cold core body structure bottom, if
Tank and unidirectional apopore are counted, condensate is discharged in time, it is ensured that the security of battery bag；Compartmentalization designs cooling system；To carry
The dynamic wind speed of upper air current, using the arrangement of air blower air draught, being effectively ensured makes air channel end cell module gas nearby
Stream flow velocity meets the requirement of cooling heat transferring.
Embodiment 1
We design corresponding PHEV battery bags cooling structure by taking certain 20Ah battery core as an example below.
First, by ARC equipment test obtain battery core adiabatic quantity of heat production it is as shown in table 1.
Table 1
Using battery core 4C continuous discharges as input condition, battery bag is 2P92S, therefore the theoretical quantity of heat production of whole bag is：
2 × 92 × 9441.24=1737188.16J, discharge time is 15min=900S；Calculate W values as follows：
1737188.16J/900S=1930.21W.
Therefore, the power of the evaporator of selection is taken away in whole theoretical heat production, this battery bag, from 2000W systems
The evaporator ＞ 1930W of cold, can meet refrigeration and require.
The technical requirements of PHEV electrokinetic cell systems are as shown in table 2.
Table 2
In order to reduce the volume of secondary separation, the length and width size of the air blower selected in this embodiment is 120mm, and thickness is
32mm；The length of evaporator core is 285mm, is highly about 77mm, width is about 110mm.The total length in point wind air channel is about
860mm, and the width in air channel is about 68~144mm, is highly about 27~45mm.Embodiments of the invention are by setting up mould
Type, the temperature of the temperature field regional of simulated battery bag, obtains the limit value for meeting temperature, it is determined that the flow velocity in point wind air channel and each
The temperature of individual air port flow velocity.Flow velocity, temperature of air port flow velocity according to point wind air channel etc. are required, have devised tool as described above
There is point wind air channel structure of entrance, changeover portion and outlet section, the structure not only effectively reduces volume, and also help and subtract
Few windage so that Temperature Distribution is more reasonable.Gas field distribution in point wind air channel is calculated by CFD design of Simulation, therefrom seen
To find out under conditions of entrance wind speed is 12~18m/s, 0.1~5.0m/s level can be maintained in outlet section.Pass through
CFD design of Simulation calculates thermo parameters method in battery bag, it can be seen that the temperature in main separation maintains about 20~45 DEG C
Level.
For the ordinary skill in the art, simply the present invention is exemplarily described for specific embodiment,
The obvious present invention, which is implemented, to be not subject to the restrictions described above, and is entered as long as employing method of the present invention design with technical scheme
The improvement of capable various unsubstantialities, or it is not improved by the present invention design and technical scheme directly apply to other occasions
, within protection scope of the present invention.
Claims (10)
1. a kind of PHEV battery bags cooling structure, it is characterised in that：The cooling structure includes being located at the inside inside battery bag
Module and the external module outside battery bag；The battery bag external module includes being used to gaseous refrigerant being compressed into height
The compressor of the refrigerant gas of warm high pressure, the liquid for the refrigerant gas of the HTHP to be condensed into HTHP
The condenser of refrigerant, the drying liquid storage device for buffering and storing the liquid refrigerant, and with the dry liquid storage
The expansion valve that device is connected by pipeline；The battery bag internal module includes evaporator core, transition air channel, air blower and point wind
Air channel, the refrigerant input of the evaporator core is connected with the output end of the expansion valve, output of condenser with it is described
The input connection of expansion valve, the cold-air vent of the evaporator core is connected with the entrance in transition air channel, the transition wind
The outlet in road is connected with the entrance of air blower, and the outlet of the air blower is connected with the entrance in point wind air channel.
2. PHEV battery bags cooling structure according to claim 1, it is characterised in that：The evaporator core includes case
Body, the front end of the casing is provided with air inlet passage, and the rear end of the casing is provided with to be connected with the air inlet passage
The cold-air vent connected with the transition air channel, the air intake are provided with logical cold air cabin, the cold air cabin
It is disposed with passage in grid-like coolant channel array, the arrival end of the coolant channel array passes through refrigerant inlet
The output end connection of pipeline and expansion valve, the port of export of the coolant channel array passes through refrigerant outlet pipeline and expansion valve
Input connection.
3. PHEV battery bags cooling structure according to claim 2, it is characterised in that：The bottom of the casing is additionally provided with
Water leg, and the water leg is arranged on the lower section of the coolant channel array, and the bottom of the water leg is provided with
Unidirectional delivery port.
4. PHEV battery bags cooling structure according to claim 1, it is characterised in that：The transition air channel include with it is described
The flat airduct of the cold-air vent connection of evaporator core and the whirlwind outlet connected with the flat airduct, and it is described flat
The length of flat airduct is more than the diameter that the whirlwind is exported.
5. PHEV battery bags cooling structure according to claim 1, it is characterised in that：Described point of wind air channel include with it is described
The entrance of blower export end connection, and the outlet section that cold air is distributed to battery modules, the entrance and
It is changeover portion between outlet section；And direction of the entrance along blower export end to changeover portion has what is gradually uprised
Highly, and gradually the width broadened；Direction of the changeover portion along the entrance and outlet section has the height of gradually step-down
Degree, and the width gradually broadened.
6. PHEV battery bags cooling structure according to claim 5, it is characterised in that：The both sides and outer end of the outlet section
Portion is provided with air outlet.
7. PHEV battery bags cooling structure according to claim 5, it is characterised in that：The outlet section has constant width
Degree and height.
8. PHEV battery bags cooling structure according to claim 5, it is characterised in that：The length to height ratio in described point of wind air channel is
Between 15~35: 1, the ratio of width to height be 1.8~5.5: 1 between.
9. PHEV battery bags cooling structure according to claim 1, it is characterised in that：Be provided with the battery bag it is main every
Battery modules are disposed with cabin, the main separation.
10. a kind of PHEV battery bags, it is characterised in that：Battery bag includes being disposed with secondary separation and main separation, the main separation
Battery modules and point wind air channel；Evaporator core, transition air channel and air blower are provided with the secondary separation；The air blower
Outlet is connected with a point wind air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269103.1A CN106953045A (en) | 2017-04-21 | 2017-04-21 | PHEV battery bag cooling structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269103.1A CN106953045A (en) | 2017-04-21 | 2017-04-21 | PHEV battery bag cooling structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106953045A true CN106953045A (en) | 2017-07-14 |
Family
ID=59477551
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| CN201710269103.1A Pending CN106953045A (en) | 2017-04-21 | 2017-04-21 | PHEV battery bag cooling structures |
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