CN105977426B - A kind of electric automobile power battery and its liquid cooling case with liquid cooling case - Google Patents
A kind of electric automobile power battery and its liquid cooling case with liquid cooling case Download PDFInfo
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- CN105977426B CN105977426B CN201610544342.9A CN201610544342A CN105977426B CN 105977426 B CN105977426 B CN 105977426B CN 201610544342 A CN201610544342 A CN 201610544342A CN 105977426 B CN105977426 B CN 105977426B
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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
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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
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention is to solve the problems, such as that the heat dissipation of the power battery of cylindrical body specification for electric vehicle and heating structure design are insufficient, a kind of electric automobile power battery with liquid cooling case and its liquid cooling case are provided, including liquid cooling case and it is assemblied in the battery core mould group of liquid cold box interior, liquid cooling case includes cabinet, water inlet pipe and outlet pipe and disk that box house is arranged in are located at multiple snakelike flat heat exchange pipes of internal battery pack, battery core mould group includes battery core module shell and the battery core module that is assemblied in inside battery core module shell, compared with conventional batteries radiating mode, the present invention is inserted between cylindrical battery core using heat radiating flat tube, go deep into internal battery pack to come into full contact with each cylindrical battery core, largely increase the contact area with cylindrical battery core, have the characteristics that heat dissipation and heating speed are fast, keep stack operating temperature uniform.
Description
Technical field
The invention belongs to electric car field more particularly to a kind of electric automobile power batteries and its liquid with liquid cooling case
Ice chest.
Background technique
The key problem in technology of electric automobile is power battery, and the superiority and inferiority of power battery performance directly determines electric car
Vehicle performance, safety and service life, it is too low since temperature will have a direct impact on security performance and the service life of battery, it will lead to whole
The decline of vehicle performance, it is excessively high, safety accident may be caused, so battery how to be allowed to be in a kind of metastable work of temperature
Environment becomes extremely important, on the one hand, under high temperature environment, especially during the broiling summer, power battery is in charge and discharge process
Neutralize hot environment under use when can release a large amount of heat, by spacial influence generate accumulation of heat, if the heat cannot and
When be discharged, heat will make the temperature of battery pack rise, and it is cooling to power battery must to start cooling system at this time；Another party
Face, at low temperatures, especially in cold winter, power battery working performance is very poor, or even is unable to operate normally, and at this time must
Heat temperature raising must be carried out to battery, be allowed to use temperature levels in optimal.
In addition, battery pack modules temperature can be caused if the heat dissipation of power battery pack and heating structure design are not perfect
Degree is unevenly distributed, so that the working environment of each battery cell is different, this will seriously affect the consistent of single battery performance
Property, to seriously affect the service life of entire power battery pack.
Power battery type has very much, and with good grounds positive and negative pole material classification, with good grounds shape specification is classified, from heat exchange
Angle for, influence heat exchange structure design be mainly single battery shape, according to shape, single battery specification mainly has length
Cube, cylindrical body, flake etc., wherein cylindrical body main specifications is 18650 specifications, so-called 18650, it means, diameter 18
Millimeter, it is 65 millimeters long, it is larger than conventional No. 5 batteries (model is 500,14 millimeters of diameter, 50 millimeters long), generally, use
The electric automobile power battery group of 18650 single battery specifications, the quantity of required single battery between 2000-5000, for
How the single battery of such vast number, carry out the optimization design of heat dissipation and heating structure, be a major issue.
In view of cost, leakproofness and the factor of safety, the biography of electric automobile power battery group heat dissipation and heating at present
Thermal medium is mostly gas air, still, using air be medium there are also limitations, on the one hand, due to need heat or it is cold
But air needs to flow through each piece of battery cell, and interior thousands of pieces of battery cells, the gap very little between battery cell, this
The resistance for causing air circulation is too big, so that the rotation speed of fan and power selected increase, causes unnecessary power consumption, together
When the noise of blower is increased；Some structure designs are even without gap, or even are unable to fully enter each piece of battery at all
Monomer carries out air temperature modification, cannot achieve heat dissipation and heating function.
Summary of the invention
The problem of power battery heat dissipation and heating structure design deficiency for existing cylindrical body specification for electric vehicle, this
Invention provides a kind of electric automobile power battery with liquid cooling case and its liquid cooling case, to realize the height of cylindrical body power battery
Effect, uniform, safe cooling and heat dissipation and heating heating.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of electric automobile power battery group liquid cooling case include cabinet, the water inlet pipe that box house is set and outlet pipe with
And disk is located at multiple snakelike flat heat exchange pipes of internal battery pack；Water inlet pipe include multiple water inlet pipes and for be connected to it is multiple into
The water inlet connecting leg of water branch pipe, outlet pipe include multiple exit branch and the water outlet connecting leg for being connected to multiple exit branch, into
Water pipe and outlet pipe dislocation are disposed in parallel in the position that box house leans on proximal wall；Be respectively arranged on water inlet pipe and outlet pipe into
The total connector of water and the total connector of water outlet, total connector of intaking both pass through wall box setting with total connector is discharged；Water inlet pipe and water outlet
It is respectively arranged with quantity and the consistent water inlet tap of snakelike flat heat exchange pipe and out water tap along tube length direction on branch pipe,
The both ends of snakelike flat heat exchange pipe are respectively arranged with module water supply connector and module water outlet connector, and the straight pipe of snakelike flat heat exchange pipe is in
Wavy setting, and the undulating cross setting of adjacent two straight pipe, the module water supply connector and module of each snakelike flat heat exchange pipe
Water outlet connector is connected with corresponding water inlet pipe and exit branch respectively.
As a kind of improvement of electric automobile power battery group liquid cooling case of the present invention, it is characterised in that: box shape is length
Cube is equipped with the platform extended, platform and body side with wide, of length no more than cabinet on the side side of cabinet upper end
The half of side length.
As a kind of improvement of electric automobile power battery group liquid cooling case of the present invention, it is characterised in that: snakelike flat heat exchange pipe
It is wound with thermal insulation layer outside.
A kind of electric automobile power battery with liquid cooling case including liquid cooling case and is assemblied in the battery core of liquid cold box interior
Mould group；Liquid cooling case includes that cabinet, the water inlet pipe that box house is arranged in and outlet pipe and disk are located at the more of battery core module internal
A snakelike flat heat exchange pipe, wherein water inlet pipe includes multiple water inlet pipes and the water inlet connecting leg for being connected to multiple water inlet pipes,
Outlet pipe includes multiple exit branch and the water outlet connecting leg for being connected to multiple exit branch；Water inlet pipe and outlet pipe dislocation are simultaneously
Column are arranged in box house and lean on the position of proximal wall, and are respectively arranged with thereon into the total connector of water and are discharged total connector, and water inlet is total
Connector and the total connector of water outlet both pass through wall box setting, are respectively set on water inlet pipe and exit branch along tube length direction
There are quantity and the consistent water inlet tap of snakelike flat heat exchange pipe and out water tap；The both ends of snakelike flat heat exchange pipe are respectively arranged with
Module water supply connector and module water outlet connector, the setting wave-shaped of the straight pipe of snakelike flat heat exchange pipe, and adjacent two straight pipe
Undulating cross setting, the module water supply connector of each snakelike flat heat exchange pipe and module water outlet connector respectively with corresponding water inlet pipe
It is connected with exit branch；Above-mentioned battery core mould group includes battery core module shell and the battery core mould being assemblied in inside battery core module shell
Block, battery core module shell includes top plate and bottom plate and two blocks of side plates, and the outside of one of side plate is provided with a plurality of support plate
And fixed plate；Battery core module includes several groups of cylindrical battery cores, snakelike flat heat exchange pipe, upper flame-retardant board, lower flame-retardant board and copper
Nickel collector plate, several groups of cylindrical battery cores are placed between flame-retardant board and lower flame-retardant board, the lower end surface of upper flame-retardant board and
The upper surface of lower flame-retardant board is separately provided for assembling the stepped hole of cylindrical battery core, and the upper surface of upper flame-retardant board and
The lower end surface of lower flame-retardant board corresponds to every group of cylinder battery core and is provided with counterbore for assembling cupro-nickel collector plate, and disk is located at battery core
Two rows of cylindrical battery cores, straight pipe and electricity are equipped in space between adjacent two straight pipe of the snakelike flat heat exchange pipe of inside modules
Row's cylinder battery core is equipped in space between the module shell of pond, each cylinder battery core is close on corresponding straight pipe
Groove setting.
As a kind of improvement of the electric automobile power battery with liquid cooling case of the present invention, it is characterised in that: described snakelike
Flat heat exchange pipe includes four straight pipes and three bending sections for four straight pipes of connecting.
As a kind of improvement of the electric automobile power battery with liquid cooling case of the present invention, it is characterised in that: the cylinder
The appearance of shape battery core is provided with insulating layer, and the appearance of snakelike flat heat exchange pipe is provided with heat-conducting layer.
As a kind of improvement of the electric automobile power battery with liquid cooling case of the present invention, it is characterised in that: described snakelike
The appearance of flat heat exchange pipe is provided with thermal insulation layer.
As a kind of improvement of the electric automobile power battery with liquid cooling case of the present invention, it is characterised in that: the upper resistance
The material for firing plate and lower flame-retardant board is ABS fire proofing.
As a kind of improvement of the electric automobile power battery with liquid cooling case of the present invention, it is characterised in that: the copper-nickel
Collector plate is fixed on upper flame-retardant board and lower flame-retardant board by modes such as bolt or rivetings.
Beneficial effect
Compared with prior art, the invention has the following advantages that a kind of electric powered motor with liquid cooling case of the present invention
Battery and its liquid cooling case use liquid cooling technology, are in close contact by flat heat exchange pipe and cylindrical battery core, the liquid heat transfer is by leading
Hot mode carries out, and heat transfer efficiency is more much higher than conventional air cooling；To intake on water inlet pipe and outlet pipe total connector with go out
The total joint arrangement of water at the intermediate position of water inlet pipe and outlet pipe, each piece of battery core mould splits can be made with gained inflow and
Water intake velocity is of substantially equal, and single battery can be made to obtain very high temperature uniformity；Snakelike flat heat exchange pipe groove and cylinder
Shape battery core perfect combination, substantially increases contact area, and heat is made to obtain high efficiency of transmission, while by each piece of cylindrical battery core
Separate, can to avoid the thermal runaway because of one piece of cylindrical battery core caused by chain runaway effect, improve power battery cabinet
Safety；Battery core module frame is made of upper and lower flame-retardant board and peripheral fixed structure, ABS flame-retardant board corrosion-and high-temp-resistant and
Contact of the ABS flame-retardant board as module frame isolation battery core and external world's metal, when use, are safer；The collector plate of battery core module
It is fixed together with ABS flame-retardant board by modes such as bolts or rivet, so that the integrally-built stability of battery pack further mentions
It is high.
Detailed description of the invention
Fig. 1 is partial structural diagram of the invention；
Fig. 2 is liquid cooling piping schematic of the invention；
Fig. 3 is the facing structure figure of outlet pipe of the present invention；
Fig. 4 is the overlooking structure figure of outlet pipe of the present invention；
Fig. 5 is the three-dimensional structure diagram of battery core mould group of the present invention；
Fig. 6 is the decomposition chart of battery core module of the present invention；
Fig. 7 is the overlooking structure figure of the snakelike flat tube of the present invention；
Figure label: 1 cabinet, 3 battery core mould groups, 4 snakelike flat heat exchange pipes, 5 water inlet pipes, 6 exit branch, 7 water inlets always connect
Head, the 8 total connectors of water outlet, 9 water inlet taps, 10 go out water tap, 11 module water supply connectors, 12 module water outlet connectors, 15 tops
Plate, 16 bottom plates, 17 side plates, 18 support plates, 19 fixed plates, 20 cylindrical battery cores, flame-retardant board on 21,22 lower flame-retardant boards, 23 cupro-nickels
Collector plate, 27 water inlet connecting legs, 28 water outlet connecting legs.
Specific embodiment
Embodiment 1
As shown, a kind of electric automobile power battery group liquid cooling case includes cabinet 1, the water inlet that is arranged in inside cabinet 1
Pipe and outlet pipe and disk are located at multiple snakelike flat heat exchange pipes 4 of internal battery pack, water inlet pipe include multiple water inlet pipes 5 and
For being connected to the water inlet connecting leg 27 of multiple water inlet pipes 5, outlet pipe includes multiple exit branch 6 and for being connected to multiple water outlets
The water outlet connecting leg 28 of branch pipe 6, water inlet pipe and outlet pipe are arranged at the position that proximal wall is leaned on inside cabinet 1, water inlet pipe and water outlet
It is respectively arranged on pipe into the total connector 7 of water and is discharged total connector 8, total connector 7 of intaking both passes through 1 side of cabinet with total connector 8 is discharged
Wall is arranged, and is respectively arranged with quantity along tube length direction on water inlet pipe 5 and exit branch 6 and snakelike flat heat exchange pipe 4 is consistent
Water inlet tap 9 and water tap 10, the both ends of snakelike flat heat exchange pipe 4 are respectively arranged with module water supply connector 11 and module out
The undulating cross of water outlet connector 12, the straight pipe setting wave-shaped of snakelike flat heat exchange pipe 4, and adjacent two straight pipe is arranged, often
The module water supply connector 11 of a snakelike flat heat exchange pipe 4 and module water outlet connector 12 are propped up with corresponding water inlet pipe 5 and water outlet respectively
Pipe 6 connects.
The wherein side at 1 rear portion of Battery case (right side is front in figure) in the present embodiment is wider, extends as one
Platform can protect into the total connector of water 7 be discharged total connector 8, for the easy for installation of adapter tube, total connector 7 that will intake is total with water outlet
Connector 8 is mounted on intermediate more to the rear, and specific location is the 7th and goes out water tap 10(by 1 front of Battery case with the 8th
Several) between, it in practical concrete operations, can also be adjusted according to the actual situation, but end positions cannot be arranged in；Dynamic
Outside power Battery case 1, by liquid cooling pipeline by heater, radiator, micropump, control valve etc. and the water inlet in Inlet and outlet water module are total
Connector 7 is connected to total connector 8 is discharged, and forms liquid cooling loop, in liquid cooling loop, the fluid for carrying out heat transfer is general
It is the mixed liquor of deionized water and alcohols.
Embodiment 2
As shown, a kind of electric automobile power battery with liquid cooling case includes liquid cooling case and is assemblied in liquid cooling case
The battery core mould group 3 in portion, liquid cooling case include that cabinet 1, the water inlet pipe being arranged in inside cabinet 1 and outlet pipe and disk are located at battery core mould
Multiple snakelike flat heat exchange pipes 4 inside group 3, water inlet pipe include multiple water inlet pipes 5 and for being connected to multiple water inlet pipes 5
Water inlet connecting leg 27, outlet pipe include multiple exit branch 6 and the water outlet connecting leg 28 for being connected to multiple exit branch 6, water inlet
Pipe and outlet pipe are arranged at the position that proximal wall is leaned on inside cabinet 1, are respectively arranged on water inlet pipe and outlet pipe into water and always connect
First 7 and it is discharged total connector 8, intaking total connector 7 and is discharged total connector 8 and both passes through the setting of 1 side wall of cabinet, water inlet pipe 5 and water outlet
Quantity and the consistent water inlet tap 9 of snakelike flat heat exchange pipe 4 are respectively arranged with along tube length direction on branch pipe 6 and water outlet taps
First 10, the both ends of snakelike flat heat exchange pipe 4 are respectively arranged with module water supply connector 11 and module water outlet connector 12, snakelike flat heat exchange pipe
The setting wave-shaped of 4 straight pipe, and the undulating cross setting of adjacent two straight pipe, the module of each snakelike flat heat exchange pipe 4 into
Water swivel 11 and module water outlet connector 12 are connected respectively at corresponding water inlet pipe 5 and exit branch 6；Battery core mould group 3 includes electricity
Core model assembly housing and the battery core module being assemblied in inside battery core module shell, battery core module shell include top plate 15, bottom plate 16
And two blocks of side plates 17, and the outside of one of side plate 17 is provided with a plurality of support plate 18 and fixed plate 19；Battery core module 15
Including several groups of cylindrical battery cores 20, snakelike flat heat exchange pipe 4, upper flame-retardant board 21, lower flame-retardant board 22 and cupro-nickel collector plate 23,
Several groups of cylindrical battery cores 20 are placed between flame-retardant board 21 and lower flame-retardant board 22, the lower end surface of upper flame-retardant board 21 and under
The upper surface of flame-retardant board 22 is separately provided for assembling the stepped hole of cylindrical battery core 20, and the upper surface of upper flame-retardant board 21
And the lower end surface of lower flame-retardant board 22 corresponds to every group of cylinder battery core 20 and is provided with counterbore for assembling cupro-nickel collector plate 23,
Disk, which is located in the space between adjacent two straight pipe of snakelike flat heat exchange pipe 4 inside battery core module, is equipped with two rows of cylindrical battery cores
20, row's cylinder battery core 20, each cylinder battery core equal 20 are equipped in the space between straight pipe and battery modules shell
The groove setting being close on corresponding straight pipe.
The wherein side at 1 rear portion of Battery case (right side is front in figure) in the present embodiment is wider, extends as one
Platform can protect into the total connector of water 7 be discharged total connector 8, for the easy for installation of adapter tube, total connector 7 that will intake is total with water outlet
Connector 8 is mounted on intermediate more to the rear, and specific location is the 7th and goes out water tap 10(by 1 front of Battery case with the 8th
Several) between, it in practical concrete operations, can also be adjusted according to the actual situation, but end positions cannot be arranged in.Dynamic
Outside power Battery case 1, by liquid cooling pipeline by heater, radiator, micropump, control valve etc. and the water inlet in Inlet and outlet water module are total
Connector 7 is connected to total connector 8 is discharged, and forms liquid cooling loop, in liquid cooling loop, the fluid for carrying out heat transfer is general
It is the mixed liquor of deionized water and alcohols, three layers of battery core mould group 3 is set in Battery case 1, the side inside Battery case 1 is set
Water inlet pipe and outlet pipe are set, because Battery case 1 has three-decker, therefore water inlet pipe and outlet pipe are in " E " word shape, meanwhile, to keep away
The component installation exempted from thereon interferes with each other, and water inlet pipe and outlet pipe have been made to the offset of horizontal direction and vertical direction.
In the present embodiment, battery core mould group 6 is in regular cuboid, and in each piece of battery core mould group 3, setting one is in detour
Arrange snakelike type flat heat exchange pipe 4, snakelike 4 two sides of type flat heat exchange pipe are simutaneously arranged cylindrical battery core 20, and cylindrical battery core 20 is in eight
Row, 33 pieces of every row have 264 pieces of cylindrical battery cores 20 in i.e. every piece of battery core mould group 3.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (8)
1. a kind of electric automobile power battery group liquid cooling case, it is characterised in that: liquid cooling case includes cabinet (1), is arranged in cabinet (1)
Internal water inlet pipe and outlet pipe and disk are located at multiple snakelike flat heat exchange pipes (4) of internal battery pack, and the water inlet pipe includes
Multiple water inlet pipes (5) and water inlet connecting leg (27) for being connected to multiple water inlet pipes (5), outlet pipe include multiple water outlets branch
(6) and the water outlet connecting leg (28) for being connected to multiple exit branch (6) are managed, water inlet pipe and outlet pipe dislocation are disposed in parallel in case
The position of proximal wall is leaned on inside body (1), is respectively arranged on the water inlet pipe and outlet pipe into the total connector of water (7) and water outlet and is always connect
Head (8), intaking total connector (7) and is discharged total connector (8) and both passes through cabinet (1) side wall and be arranged, total connector (7) of intaking be arranged in into
The intermediate position of water pipe, the total connector (8) of water outlet are arranged in the intermediate position of outlet pipe, the water inlet pipe (5) and exit branch
(6) quantity and the consistent water inlet tap (9) of snakelike flat heat exchange pipe (4) quantity are respectively arranged with along tube length direction on and is gone out
Water tap (10), the both ends of the snakelike flat heat exchange pipe (4) are respectively arranged with module water supply connector (11) and module water outlet connects
The undulating cross setting of head (12), the straight pipe setting wave-shaped of snakelike flat heat exchange pipe (4), and adjacent two straight pipe, each
The module water supply connector (11) of snakelike flat heat exchange pipe (4) and module water outlet connector (12) respectively with corresponding water inlet pipe (5) and
Exit branch (6) connection；Cabinet (1) shape is cuboid, is equipped with and extends on the side side of cabinet (1) upper end
Platform, platform and cabinet (1) side with wide, the half of of length no more than cabinet (1) side length, the platform for protect into
The total connector of water (7) and the total connector (8) of water outlet.
2. a kind of electric automobile power battery group liquid cooling case as described in claim 1, it is characterised in that: the snakelike heat exchange is flat
Thermal insulation layer is wound with outside pipe (4).
3. a kind of electric automobile power battery with liquid cooling case, it is characterised in that: including liquid cooling case and be assemblied in liquid cooling case
Internal battery core mould group (3), the liquid cooling case include cabinet (1), setting in the internal water inlet pipe of cabinet (1) and outlet pipe and
Disk is located at the internal multiple snakelike flat heat exchange pipes (4) of battery core mould group (3), the water inlet pipe include multiple water inlet pipes (5) and
For being connected to the water inlet connecting leg (27) of multiple water inlet pipes (5), outlet pipe includes multiple exit branch (6) and more for being connected to
The water outlet connecting leg (28) of a exit branch (6), water inlet pipe and outlet pipe dislocation are disposed in parallel in inside cabinet (1) by proximal wall
Position is respectively arranged on the water inlet pipe and outlet pipe into the total connector of water (7) and the total connector (8) of water outlet, and intake total connector (7)
The setting of cabinet (1) side wall is both passed through with total connector (8) is discharged, total connector (7) of intaking is arranged in the intermediate position of water inlet pipe, water outlet
Total connector (8) is arranged in the intermediate position of outlet pipe, along tube length direction on the water inlet pipe (5) and exit branch (6)
It is respectively arranged with quantity and snakelike flat heat exchange pipe (4) consistent water inlet tap (9) and water tap (10), the disk is located at out
The both ends of snakelike flat heat exchange pipe (4) inside battery core module are respectively arranged with module water supply connector (11) and module water outlet connector
(12), the module water supply connector (11) of each snakelike flat heat exchange pipe (4) and module water outlet connector (12) respectively with corresponding water inlet
Branch pipe (5) and exit branch (6) connection；Cabinet (1) shape is cuboid, is set on the side side of cabinet (1) upper end
There are the platform extended, platform and cabinet (1) side with wide, the half of of length no more than cabinet (1) side length, the platform
For protecting intake total connector (7) and the total connector (8) of water outlet；The battery core mould group (3) includes battery core module shell and assembly
Battery core module inside battery core module shell, battery core module shell include top plate (15), bottom plate (16) and two pieces of side plates (17),
And the outside of one of side plate (17) is provided with a plurality of support plate (18) and fixed plate (19)；Battery core module (15) is if include
Do groups of cylindrical battery core (20), snakelike flat heat exchange pipe (4), upper flame-retardant board (21), lower flame-retardant board (22) and cupro-nickel collector plate
(23), several groups of cylindrical battery cores (20) are placed between flame-retardant board (21) and lower flame-retardant board (22), upper flame-retardant board (21)
Lower end surface and the upper surface of lower flame-retardant board (22) be separately provided for assembling the stepped hole of cylindrical battery core (20), and
The upper surface of upper flame-retardant board (21) and the lower end surface of lower flame-retardant board (22) correspond to every group of cylinder battery core (20) and are provided with use
In the counterbore of assembly cupro-nickel collector plate (23)；Two rows are equipped in space between adjacent two straight pipe of snakelike flat heat exchange pipe (4)
Cylindrical battery core (20) is equipped with row's cylinder battery core (20) in the space between straight pipe and battery modules shell, snakelike
The straight pipe setting wave-shaped of flat heat exchange pipe (4), the groove that each cylinder battery core (20) is close on corresponding straight pipe are set
It sets.
4. a kind of electric automobile power battery with liquid cooling case as claimed in claim 3, it is characterised in that: described snakelike to change
Hot flat tube (4) includes four straight pipes and three bending sections for four straight pipes of connecting.
5. a kind of electric automobile power battery with liquid cooling case as claimed in claim 3, it is characterised in that: the cylinder
The appearance of battery core (20) is provided with insulating layer, and the appearance of the snakelike flat heat exchange pipe (4) is provided with heat-conducting layer.
6. a kind of electric automobile power battery with liquid cooling case as claimed in claim 3, it is characterised in that: described snakelike to change
The appearance of hot flat tube (4) is provided with thermal insulation layer.
7. a kind of electric automobile power battery with liquid cooling case as claimed in claim 3, it is characterised in that: described fire-retardant
The material of plate (21) and lower flame-retardant board (22) is ABS fire proofing.
8. a kind of electric automobile power battery with liquid cooling case as claimed in claim 3, it is characterised in that: the copper-nickel collection
Flowing plate (23) is fixed on upper flame-retardant board (21) and lower flame-retardant board (22) by way of bolt or riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544342.9A CN105977426B (en) | 2016-07-12 | 2016-07-12 | A kind of electric automobile power battery and its liquid cooling case with liquid cooling case |
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| CN106921004A (en) * | 2017-01-25 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | The cold battery module of liquid |
| CN107230759B (en) * | 2017-07-04 | 2023-06-27 | ***电子科技（镇江）有限公司 | Water-cooling battery module |
| CN108054420B (en) * | 2017-12-26 | 2024-04-30 | 广州小鹏汽车科技有限公司 | Battery liquid cooling pipe installation device and method |
| DE102018104680A1 (en) | 2018-03-01 | 2019-09-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Cooling system for tempering a traction battery |
| CN108448207B (en) * | 2018-05-22 | 2024-02-09 | 华霆（合肥）动力技术有限公司 | Heat exchange assembly and battery module |
| CN108963316A (en) * | 2018-09-14 | 2018-12-07 | 扬州江淮轻型汽车有限公司 | The manufacturing method of battery pack and the battery thermostat for using battery pack |
| CN109599640B (en) * | 2018-11-27 | 2021-11-05 | 南京航空航天大学 | Liquid heat management scheme for cylindrical power battery module |
| CN111916606B (en) * | 2020-08-12 | 2022-06-14 | 湖南省长城新能源科技有限公司 | Multifunctional storage battery pack with flame-retardant and fireproof protection functions |
| CN112768805A (en) * | 2021-01-22 | 2021-05-07 | 倍登新能源科技（苏州）有限公司 | Integrated liquid cooling battery box |
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