CN208580827U - A kind of liquid-cooled temperature equalization electrokinetic cell system and vehicle - Google Patents
A kind of liquid-cooled temperature equalization electrokinetic cell system and vehicle Download PDFInfo
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- CN208580827U CN208580827U CN201821180892.8U CN201821180892U CN208580827U CN 208580827 U CN208580827 U CN 208580827U CN 201821180892 U CN201821180892 U CN 201821180892U CN 208580827 U CN208580827 U CN 208580827U
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- battery
- water
- electrokinetic cell
- cooled
- liquid
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- 238000001816 cooling Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000741 silica gel Substances 0.000 claims abstract description 17
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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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- Secondary Cells (AREA)
Abstract
The utility model relates to a kind of liquid-cooled temperature equalization electrokinetic cell system and vehicles, the structure includes battery module and cooling system, the battery module is by multiple battery cell strings and is connected, the structure further includes the multiple fin structures and at least one water-cooled plate for temperature equalization, the fin structure includes the metal fin for being bonded with heat conductive silica gel, which is inserted into the gap of the battery module；There is at least one described water-cooled plate fixed hole position and water inlet pipe and outlet pipe to be fixedly connected with the fin structure on one side positioned at the side of the battery module, and another side is connected with the cooling system.The utility model meets heating, cooling and equalization request in electrokinetic cell system, heat between battery gap can be directed to the temperature of cell module outer portion and then balancing battery by fin structure inside battery module, further change inside modules temperature by external cooling heat cycles measure and temperature between battery is made unanimously to reach balanced.
Description
Technical field
The utility model relates to power battery system of electric vehicle more particularly to liquid-cooled temperature equalization electrokinetic cell system and
It has the vehicle of the battery system.
Background technique
In the process of moving, electrokinetic cell system constantly carries out charge and discharge to electric car, and with the production of amount of heat
It is raw, it needs to carry out cooling measure to electrokinetic cell system；Meanwhile the characteristic of power battery is 0 DEG C or less can carry out limit power
Electric discharge, but not can be carried out charging, in winter, the lower area of temperature, must in order to normal use electrokinetic cell system
Electrokinetic cell system must be heated.And temperature will affect electrochemistry reflection rate, charge and discharge ability to accept, safety, follow
Ring service life, specific power and specific energy.Since the difference of battery arrangement mode, radiating mode in electrokinetic cell system also results in
Temperature is inconsistent between battery.The inhomogeneities of this temperature can seriously affect the performance of electrokinetic cell system, it is therefore necessary to
Internal battery pack takes measures to solve the problems, such as that the excessively high temperature between battery of temperature is unbalanced.
Current driving force battery system mostly uses air-cooled structure, but since gap is smaller between battery, windage is larger, effect
Unobvious and cooling temperature is unbalanced.The degree of protection of electric motor coach is required in " electric motor coach safety specification " at present
Not less than IP67, this means that power battery cabinet used in electric motor coach can not have air inlet and air outlet, also
It is to say air cooling system cannot be used to cool down power battery cabinet.It needs this when to carry out liquid to electrokinetic cell system
Cooling or Phase cooling.The advantages of Phase cooling be can thermal coefficient is big, safety coefficient is high, can be between balancing battery
Temperature, and it is shared small in size；Disadvantage is the thermal Finite that Phase cooling absorbs, and heat can be absorbed to a certain extent,
Heat reaches saturation capacity after persistently releasing, do not reabsorb heat.The cooling advantage of liquid is not needing to power battery cabinet
Opening design is carried out, is sealed, good cooling results, temperature rise is small, and the temperature difference is smaller；The disadvantage is that structure is complicated, weight is big, in vehicle
The vibration problems to be faced are severeer in operational process.Under high-protection level, there are electrokinetic cell systems to use
The unbalanced problem of temperature between battery temperature is excessively high or too low in the process and battery.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of liquid-cooled temperature equalization electrokinetic cell system, including battery mould
Block and cooling system, the battery module is by multiple battery cell strings and is connected, which further includes for the more of temperature equalization
A fin structure and at least one water-cooled plate being connect with the fin structure, in which: the fin structure includes being bonded with to lead
The metal fin of hot silica gel, the fin structure are inserted into the gap of the battery module, so that thermally conductive on the metal fin
Silica gel is directly contacted with battery module, conducts heat；At least one described water-cooled plate has fixed hole position and water inlet pipe and water outlet
Pipe, positioned at the side of the battery module, is fixedly connected with the fin structure on one side, the another side with water inlet pipe and outlet pipe
It is connected with the cooling system, so that cooling system, water inlet pipe, water-cooled plate and outlet pipe form closed loop.
Preferably, the fin structure includes three layers, and centre is metal fin, and both sides are heat conductive silica gel, wherein the gold
Belonging to fin can be aluminium flake.
Preferably, the heat conductive silica gel thickness 0.8mm being wrapped on the metal fin, thermal coefficient are 6-8W/ (mk).
Preferably, which further includes bracket, is located at the battery module upper and lower ends, for fixing the battery module
With the fin structure, the battery module is discharged into row string with cupro-nickel by the bracket by multiple battery cells and is connected.
Preferably, the one side that at least one described water-cooled plate is connect with the fin structure has card slot, for fixing
State fin structure.
Preferably, which further includes deck, and positioned at the upper and lower ends of at least one water-cooled plate, the deck has
Hole corresponding with fixed hole position, at least one fixed described water-cooled plate in the side of the battery module.
Preferably, the cooling system includes water pump and water tank, is connected at least one described water-cooled plate.
Preferably, the cooling system further includes temperature sensor and flow sensor and master control borad, master control borad and electricity
Pond management system is connected, for controlling the flow and temperature of cooling system.
A kind of vehicle, with a kind of aforementioned any liquid-cooled temperature equalization electrokinetic cell system.
The utility model meets heating, cooling and equalization request in electrokinetic cell system, and fin structure can incite somebody to action
Heat between battery gap is directed to the temperature of cell module outer portion and then balancing battery inside battery module, further passes through
The cooling heat cycles measure in outside changes inside modules temperature and temperature between battery is made unanimously to reach balanced.
Detailed description of the invention
Fig. 1 is a kind of liquid-cooled temperature equalization electrokinetic cell system schematic diagram in the utility model；
Fig. 2 is a kind of power battery modular structure schematic diagram in the utility model；
Fig. 3 is a kind of single fin structure schematic diagram in the utility model；
Fig. 4 is the schematic diagram of the water-cooled plate and the connection of multiple fin structures in the utility model；
Fig. 5 is a kind of water-cooled plate structural schematic diagram with card slot in the utility model；
Fig. 6 is one of the utility model water-cooled plate side view；
Fig. 7 is the cartridge structure schematic diagram of one of the utility model water cooling board ends；
Fig. 8 is the schematic diagram of water-cooled plate and deck installation in Fig. 7 in the utility model Fig. 6；
Fig. 9 is the explosive view of liquid separation cold type temperature equalization electrokinetic cell system in the middle part of the utility model；
Wherein, 1-battery module；2-battery cells；3-fin structures；4-heat conductive silica gels；5-metal fins；6—
Bracket；7-water-cooled plates；8-water inlet pipes；9-outlet pipes；10-fixed hole positions；11-decks；12-card slots.
Specific embodiment
As shown in Figure 1, a kind of liquid-cooled temperature equalization electrokinetic cell system, including battery module 1 and cooling system, it is described
Battery module 1 is gone here and there and is connected by multiple battery cells 2, the structure further include for temperature equalization multiple fin structures 3 and with
At least one water-cooled plate 7 that the fin structure 3 connects, in which: the fin structure 3 includes the gold for being bonded with heat conductive silica gel 4
Belong to fin 5, the fin structure 3 is inserted into the gap of the battery module 1, so that the heat conductive silica gel 4 on the metal fin 5
It is directly contacted with battery module 1, conducts heat；At least one described water-cooled plate 7 has fixed hole position 10 and water inlet pipe 8 and water outlet
Pipe 9 is fixedly connected with the fin structure 3 positioned at the side of the battery module 1 on one side, with water inlet pipe 8 and outlet pipe 9
Another side is connected with the cooling system, so that cooling system, water inlet pipe 8, water-cooled plate 7 and outlet pipe 9 form closed circulation and return
Road, liquid flow direction are as shown by the arrows in Figure 1.In one embodiment, as shown in figure 3, the fin structure 3 includes three
Layer, centre are metal fin 5, and both sides are heat conductive silica gel 4.The metal fin 5 can be aluminium flake or other metals.The metal
Heat conductive silica gel 4 the thickness 0.8mm, thermal coefficient 6-8W/mk being wrapped on fin 5.
In one embodiment, as shown in Fig. 2, the structure further includes bracket 6, it is located at the battery module about 1 two
End, for fixing the battery module 1 and the fin structure 3, the battery module 1 is passed through described by multiple battery cells 2
Bracket 6 discharges into row string with cupro-nickel and is connected.
As shown in figures 4-9, in one embodiment, the one side that water-cooled plate 7 is connect with the fin structure 3 has card slot
12, as shown in figure 5, for fixing the fin structure 3, that is, fin structure 3 passes through the bracket 6 and water in battery module 1
Card slot 12 on cold plate 7 is fixed；The structure further includes deck 11, as shown in figure 4, being located at the upper of at least one water-cooled plate 7
Lower both ends, the deck 11 has hole corresponding with fixed hole position 10, for fixing water-cooled plate 7 in the side of the battery module 1
On face.Fin structure 3 is placed among ready-made battery module 1 and fills up entire gap, passes through the folder between battery cell 2 on one side
Tight and battery bracket 6 is fixed, and another side is fixed by card slot 12 and water-cooled plate 7.Water-cooled plate 7 is fixed by card slot 12 on one side
3 another side of fin structure is fixed by bolt and Battery case.
In one embodiment, the cooling system includes water pump and water tank, is connected with water-cooled plate 7.The cooling
System can also include that temperature sensor and flow sensor and master control borad, master control borad are connected with battery management system, use
In the flow and temperature of control cooling system.
A kind of vehicle, using a kind of above-mentioned liquid-cooled temperature equalization electrokinetic cell system, can fast cooling or heating,
And keep Temperature Distribution balanced.
Since the thermal coefficient of air only has 0.023W/ (mk), the gap between battery is generally 3.3mm.Due to reality
In the application of border, the too small reason in battery gap makes the flow resistance between battery gap especially big, and then leads to battery temperature not
The temperature difference of equilibrium, especially import and exit is maximum；Also electric motor coach is required in basis " electric motor coach safety specification "
Security level be IP67 so that cannot be cooled down to power battery cabinet using air cooling system.It is led used in the present invention
Hot silica gel thermal coefficient is by 6-8W/ (mk), and the aluminium flake thermal coefficient 203.5W/ (mk) that heat conductive silica gel 4 is wrapped in, this two
The thermal coefficient of kind substance is all higher than the thermal coefficient of air.Fin structure 3 directly contacts progress heat with 2 surface of battery cell
Conduction.2 surface of battery cell has the presence for floating electricity, and 4 insulation performance of heat conductive silica gel is relatively good.So heat conductive silica gel will be coated with
4 metal fin 5 is inserted between 1 gap of battery module, ensure that the security reliability of battery module 1 and metal fin 5.Increase
The fin structure 3 of strong safety passes through card slot 12 with the water-cooled plate 7 outside battery module 1 and is connected.Water outside battery module 1
Cold plate 7 is recycled using recirculated water or other coolant liquids.Due to being metal, metal between fin structure 3 and water-cooled plate 7
Thermal coefficient it is higher, the conduction ratio of heat faster, so the heat inside battery module 1 can quickly be passed to water
On cold plate 7, energy circulation is carried out.No matter the utility model, can cracking balancing battery mould under high temperature or low-temperature condition
1 internal temperature of block.Since the water-cooled plate 7 between different battery modules 1 is connected and water tank, the water pump outside electrokinetic cell system,
So the temperature inside the cracking balanced power battery system of energy.
Above-mentioned specific embodiment is merely to illustrate the utility model, wherein the structure of each component, connection type etc. are all
It can be varied, all equivalents and improvement carried out on the basis of technical solutions of the utility model should not arrange
In addition in the protection scope of the utility model.
Claims (10)
1. a kind of liquid-cooled temperature equalization electrokinetic cell system, including battery module (1) and cooling system, the battery module
(1) it is gone here and there and is connected by multiple battery cells (2), which is characterized in that the structure further includes multiple fin knots for temperature equalization
Structure (3) and at least one water-cooled plate (7) being connect with the fin structure (3), in which:
The fin structure (3) includes the metal fin (5) for being bonded with heat conductive silica gel (4), which is inserted into the battery
In the gap of module (1), so that the heat conductive silica gel (4) on the metal fin (5) is directly contacted with battery module (1), conduction
Heat；
At least one described water-cooled plate (7) has fixed hole position (10) and water inlet pipe (8) and outlet pipe (9), is located at the battery
The side of module (1) is fixedly connected with the fin structure (3) on one side, another side with water inlet pipe (8) and outlet pipe (9) and
The cooling system is connected, so that cooling system, water inlet pipe (8), water-cooled plate (7) and outlet pipe (9) form closed loop.
2. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 1, which is characterized in that the fin knot
Structure (3) includes three layers, and centre is metal fin (5), and both sides are heat conductive silica gel (4).
3. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 2, which is characterized in that the metal wing
Piece (5) is aluminium flake.
4. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 2, which is characterized in that the metal wing
Heat conductive silica gel (4) the thickness 0.8mm being wrapped on piece (5), thermal coefficient are 6-8W/ (mk).
5. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 1, which is characterized in that the structure is also wrapped
Bracket (6) are included, are located at the battery module (1) upper and lower ends, for fixing the battery module (1) and the fin structure
(3), the battery module (1) is discharged into row string with cupro-nickel by the bracket (6) by multiple battery cells (2) and is connected.
6. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 1, which is characterized in that described at least one
The one side that a water-cooled plate (7) connect with the fin structure (3) has card slot (12), for fixing the fin structure (3).
7. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 1, which is characterized in that the structure is also wrapped
Deck (11) are included, the upper and lower ends of at least one water-cooled plate (7) are located at, the deck (11) has and fixed hole position (10)
Corresponding hole, the side for fixed at least one water-cooled plate (7) Yu Suoshu battery module (1).
8. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 1, which is characterized in that the cooling system
System includes water pump and water tank, is connected at least one described water-cooled plate (7).
9. a kind of liquid-cooled temperature equalization electrokinetic cell system according to claim 8, which is characterized in that the cooling system
System further includes temperature sensor and flow sensor and master control borad, and master control borad is connected with battery management system, for controlling
The flow and temperature of cooling system.
10. a kind of vehicle has -9 described in any item a kind of liquid-cooled temperature equalization power battery systems according to claim 1
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821180892.8U CN208580827U (en) | 2018-07-25 | 2018-07-25 | A kind of liquid-cooled temperature equalization electrokinetic cell system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821180892.8U CN208580827U (en) | 2018-07-25 | 2018-07-25 | A kind of liquid-cooled temperature equalization electrokinetic cell system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580827U true CN208580827U (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821180892.8U Active CN208580827U (en) | 2018-07-25 | 2018-07-25 | A kind of liquid-cooled temperature equalization electrokinetic cell system and vehicle |
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| Country | Link |
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| CN (1) | CN208580827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008541A1 (en) * | 2019-07-17 | 2021-01-21 | 威睿电动汽车技术(宁波)有限公司 | Battery pack cooling system and vehicle |
| CN112993431A (en) * | 2019-12-13 | 2021-06-18 | 中车时代电动汽车股份有限公司 | Water-cooling battery package and electric automobile |
-
2018
- 2018-07-25 CN CN201821180892.8U patent/CN208580827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008541A1 (en) * | 2019-07-17 | 2021-01-21 | 威睿电动汽车技术(宁波)有限公司 | Battery pack cooling system and vehicle |
| CN112993431A (en) * | 2019-12-13 | 2021-06-18 | 中车时代电动汽车股份有限公司 | Water-cooling battery package and electric automobile |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 710200 Jingwei Industrial Park, economic development zone, Xi'an City, Shaanxi Province Patentee after: Shaanxi Automobile Group Co.,Ltd. Address before: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. |