CN208608327U - A kind of heat radiation module of liquid cooling plate and power battery - Google Patents
A kind of heat radiation module of liquid cooling plate and power battery Download PDFInfo
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- CN208608327U CN208608327U CN201820958407.9U CN201820958407U CN208608327U CN 208608327 U CN208608327 U CN 208608327U CN 201820958407 U CN201820958407 U CN 201820958407U CN 208608327 U CN208608327 U CN 208608327U
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- liquid
- diversion trench
- cover board
- cooling plate
- liquid outlet
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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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Abstract
The utility model discloses the heat radiation modules of a kind of liquid cooling plate and power battery, the liquid cooling plate includes the cover board and bottom plate being oppositely arranged, and the liquid inlet joint and liquid outlet connector of setting on the cover board, liquid inlet joint and liquid outlet connector are oppositely arranged on the both ends of cover board respectively and are arranged at the side that cover board deviates from bottom plate;Wherein, diversion trench and several splitters are provided on bottom plate, diversion trench is to be recessed away from cover board, and diversion trench includes inlet and liquid outlet, and inlet is connect with liquid inlet joint, and liquid outlet is connect with liquid outlet connector, and splitter is set to the bottom of diversion trench.Liquid cooling plate provided by the utility model can increase substantially the heat dissipation capacity of liquid cooling plate, efficiently solve high-power battery heat dissipation problem by arranging multiple splitters appropriate in the diversion trench of bottom plate;And liquid cooling plate structure is simple, overall weight is lighter, most of component is profile, can low cost mass production.
Description
Technical field
The utility model relates to technical field of heat dissipation more particularly to the heat radiation modules of a kind of liquid cooling plate and power battery.
Background technique
In recent years, country vigorously supports the development of new-energy automobile industry, and different from traditional fuel vehicle, electric car is
Using power battery as power source, thus have it is pollution-free, noise is small, advantages of simple structure and simple, have become new-energy automobile
Main developing direction.
The power source of electric vehicle is power battery pack, is combined by way of series and parallel by multiple batteries, forms tens of thousand
The energy density module of watt-hour.Electric vehicle structure is simple, and performance is heavily dependent on the performance of power battery pack.Power
The performance of battery pack is mainly influenced by two factors: energy density, storage discharge rate, service life of 1. single batteries etc.;2. entire
Homogeneity, charge-discharge magnification consistency, temperature consistency, reliability, service life of battery pack etc..
By the effort of scientific circles and enterprise's many years, the horizontal substantial increase of China's battery production.Especially recent years, electricity
Pond performance has obtained very big promotion, has the characteristics that energy density is big, charge-discharge velocity is fast, the service life is good.But Chinese Enterprises produce
Battery homogeneity it is poor, there are several defects when being assembled into power battery pack: 1. charge and discharge are that local temperature is excessively high, are threatened entire
Battery pack safety;2. charge-discharge magnification is inconsistent, BMS management difficulty is big.The temperature of power battery pack is battery performance, longevity
The important indicator of life, temperature is too low, discharge capacity is few, is short of power;Temperature is excessively high, is easy thermal runaway, causes battery Fire Overheat
Or explosion.Therefore at this stage, power battery pack is badly in need of the cooling system of high efficient and reliable.Wherein, cold plate is as a kind of thermal diffusivity
The outstanding equipment of energy, is the main structure of cooling system.There is data to suggest that the power density of ventilation type cold plate is up to 1.55x103
W/m2, the power density of liquid-cooled cold plate is up to 1.65x103W/m2.Therefore, liquid cooling plate is in electrokinetic cell system Evolution of Thermal Control Technique
In application receive extensive attention.
However, with power battery pack under the conditions of space and weight are restricted towards large capacity and high charge-discharge magnification
Direction is developed, and the heating power of battery is continuously increased, and there are structure is complicated, radiating efficiency mostly for existing heat radiation module
Not high problem.
Utility model content
The embodiments of the present invention provide the heat radiation module of a kind of liquid cooling plate and power battery, solve above-mentioned technology and ask
Topic realizes the high effect of radiating efficiency.
A kind of liquid cooling plate provided by the utility model including the cover board and bottom plate being oppositely arranged, and is arranged in the lid
Liquid inlet joint and liquid outlet connector on plate, the liquid inlet joint and the liquid outlet connector are oppositely arranged on the two of the cover board respectively
Hold and be arranged at the side that the cover board deviates from the bottom plate;
Wherein, diversion trench and several splitters are provided on the bottom plate, the diversion trench is to be recessed away from the cover board
It forms, the diversion trench includes inlet and liquid outlet, and the inlet is connect with the liquid inlet joint, the liquid outlet and institute
Liquid outlet connector connection is stated, the splitter is set to the bottom of the diversion trench.
Preferably, the splitter is intervally arranged along the length direction of the diversion trench, the length side of the splitter
To consistent with the length direction of the diversion trench.
Preferably, multiple rows of splitter is provided in the width direction of diversion trench.
Preferably, the diversion trench is S type structure, and the diversion trench is made of the bottom plate punch forming.
Preferably, it is fixed between the cover board, the bottom plate, the liquid inlet joint and the liquid outlet connector by soldering.
A kind of heat radiation module for power battery that the utility model also provides include: cabinet, multiple liquid cooling plates, support frame,
Input duct and liquid outlet pipe, support frame as described above connect the liquid cooling plate, the liquid cooling plate be separately connected the input duct and
The liquid outlet pipe;
Wherein, the liquid cooling plate includes: the cover board and bottom plate being oppositely arranged, and the feed liquor being arranged on the cover board connects
Head and liquid outlet connector, the liquid inlet joint and the liquid outlet connector are oppositely arranged on the both ends of the cover board respectively and are respectively provided with
Deviate from the side of the bottom plate in the cover board, is provided with diversion trench and several splitters on the bottom plate, the diversion trench is
It is recessed away from the cover board, the diversion trench includes inlet and liquid outlet, and the inlet and the liquid inlet joint connect
It connects, the liquid outlet is connect with the liquid outlet connector, and the splitter is set to the bottom of the diversion trench.
Preferably, the cover board of the liquid cooling plate is for being attached at the power battery, the bottom plate of the liquid cooling plate with it is described
Support frame connection.
Preferably, the input duct includes several inlet openings, the liquid inlet joint company of the inlet opening and the liquid cooling plate
It connects.
Preferably, the liquid outlet pipe includes several fluid holes, the liquid outlet connector company of the fluid hole and the liquid cooling plate
It connects.
Beneficial effect
1, liquid cooling plate provided by the utility model can by arranging multiple splitters appropriate in the diversion trench of bottom plate
The heat dissipation capacity for increasing substantially liquid cooling plate efficiently solves high-power battery heat dissipation problem;
2, liquid cooling plate structure is simple, overall weight is lighter, and most of component is profile, can low cost mass production.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, embodiment or the prior art will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the side structure schematic view of one liquid cooling plate of the utility model embodiment;
Fig. 2 is the sectional view of one liquid cooling plate of the utility model embodiment;
Fig. 3 is a kind of structural schematic diagram of one insole board of the utility model embodiment;
Fig. 4 is another structural schematic diagram of one insole board of the utility model embodiment;
Fig. 5 is the installation diagram of heat radiation module in the utility model embodiment two;
Fig. 6 is the structural schematic diagram of heat radiation module in the utility model embodiment two.
Drawing reference numeral explanation:
Label | Title | Label | Title |
10 | Cover board | 40 | Liquid outlet connector |
20 | Bottom plate | 100 | Liquid cooling plate |
21 | Diversion trench | 110 | Cover board |
22 | Splitter | 200 | Support frame |
23 | Inlet | 300 | Input duct |
24 | Liquid outlet | 400 | Liquid outlet pipe |
30 | Liquid inlet joint | 500 | Power battery |
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
As shown in Figure 1 to Figure 3, a kind of liquid cooling plate provided in the utility model embodiment, including the cover board being oppositely arranged
10 and bottom plate 20, and the liquid inlet joint 30 and liquid outlet connector 40 that are arranged on the cover board 10, the liquid inlet joint 30 and institute
Liquid outlet connector 40 is stated to be oppositely arranged on the both ends of the cover board 10 respectively and be arranged at the cover board 10 away from the bottom plate 20
Side;Wherein, diversion trench 21 and several splitters 22 are provided on the bottom plate 20, the diversion trench 21 is away from the lid
Plate 10 is recessed, and the diversion trench 21 includes inlet 23 and liquid outlet 24, the inlet 23 and the liquid inlet joint 30
Connection, the liquid outlet 24 are connect with the liquid outlet connector 40, and the splitter 22 is set to the bottom of the diversion trench 21.
Liquid cooling plate provided in this embodiment regard cover board 10 and bottom plate 20 as main frame first, and cover board 10 is for contacting power
The shell of battery is provided with the diversion trench 21 of the recess of opposing cover plates 10 for accommodating cooling medium and making it in slot on the base plate 20
The heat on cover board 10 is taken away in interior flowing, while splitter 22 is additionally provided on the bottom of groove body, which can be into one
Step takes away the heat in cooling medium, improves the heat dissipation effect of liquid cooling plate.When work, by cooling medium by cover board 10 into
Liquid connector 30 injects the inlet 23 of diversion trench 21, and cooling medium flows in diversion trench 21 absorbs power battery on cover board 10
Heat, last cooling medium are flowed out by liquid outlet 24 from liquid outlet connector 40, complete the entire heat dissipation course of work.
Can be oil or water in addition, cooling medium in the present embodiment is liquid, for absorb by cover board 10 transmit Lai
Heat and take heat out of liquid cooling plate;The effect of cover board 10 is to carry the thermal force of power battery module, and exist for liquid cooling plate
A kind of effect of fixation is provided in battery pack;The effect of water-in and water-out connector is the channel for connecting external main pipeline, and water-in and water-out connect
The internal diameter of head need to calculate determination the location of in systems according to specific flow and liquid cooling plate, and Inlet and outlet water joints can be made
As diversified forms such as push-in, pagoda types.
Liquid cooling plate in the present embodiment can by arranging multiple splitters 22 appropriate in the diversion trench 21 of bottom plate 20
The heat dissipation capacity for increasing substantially liquid cooling plate efficiently solves high-power battery heat dissipation problem;And liquid cooling plate structure is simple, whole
Lighter in weight, most of component are profile, can low cost mass production.
Preferably, described as shown in figure 3, the splitter 22 is intervally arranged along the length direction of the diversion trench 21
The length direction of splitter 22 is consistent with the length direction of the diversion trench 21.
Splitter 22 is intervally arranged along the length direction of diversion trench 21, can be situated between cooling in diversion trench 21 rapidly
The heat transfer of matter comes out;And the length direction of splitter 22 is consistent with the length direction of diversion trench 21, can reduce cooling Jie
The resistance that matter flows in diversion trench 21 improves the heat dissipation effect of liquid cooling plate.
Preferably, multiple rows of splitter 22 is provided in the width direction of the diversion trench 21.
Multiple rows of splitter 22 is provided in the width direction of diversion trench 21, it can further will be in cooling medium
Heat transfer comes out, and improves the heat dissipation effect of liquid cooling plate.
Preferably, as shown in Figure 3,4, the diversion trench 21 is S type structure, and the diversion trench 21 is 20 punching press of bottom plate
Molding is made.
Specifically, the diversion trench 21 of the present embodiment can have institute in two kinds of arrangement modes, such as Fig. 3 according to actual needs
The diversion trench 21 shown is divided into mutually perpendicular two by water inlet 23, wherein the length of in vertical direction a diversion trench compared with
It is long, and finally in the middle position of bottom plate 20, confluence Cheng Yizhi leads to water outlet 24 to two diversion trenches;Also for example shown in Fig. 4
Diversion trench 21 parallel to each other two are divided by water inlet 23, two diversion trenches are U-shaped transition, and two diversion trenches are most
Lead to water outlet 24 in the lower position confluence Cheng Yizhi of bottom plate 20 eventually.Diversion trench 21 in the present embodiment is set as above-mentioned similar
S type structure can sufficiently increase the contact area of itself and cover board 10, improve heat dissipation effect;And diversion trench 21 is that bottom plate 20 passes through
Punch forming, simple process, high production efficiency.
Preferably, pass through between the cover board 10, the bottom plate 20, the liquid inlet joint 30 and the liquid outlet connector 40
Soldering is fixed.
Liquid inlet joint 30, liquid outlet connector 40 in the present embodiment is fixed with cover board 10 by soldering, and cover board 10 is equally adopted
Fixed with bottom plate 20 with soldering, simple process and the component for being convenient for connection unlike material improve production efficiency.
Embodiment two:
As shown in Figure 5, Figure 6, the utility model additionally provides a kind of heat radiation module of power battery, comprising: cabinet is (in figure
Be not shown), multiple liquid cooling plates 100, support frame 200, input duct 300 and liquid outlet pipe 400, support frame as described above 200 connects institute
Liquid cooling plate 100 is stated, the liquid cooling plate 100 is separately connected the input duct 300 and the liquid outlet pipe 400.In the present embodiment
The specific structure of liquid cooling plate 100 can refer to embodiment one, thus also there is similar beneficial effect, will not repeat them here.
In the present embodiment, for accommodating other radiating subassemblies and power battery 500, support frame 200 primarily serves cabinet
The effect of fixed liquid cooling plate 100, several liquid cooling plates 100 and input duct 300, liquid outlet pipe 400 are assembled into a set of liquid cooling system
System.Cooling medium is continually flowed into liquid cooling plate 100 by input duct 300, and cell heat passes through liquid cooling plate 100 and cooling
Medium carries out heat exchange, then flows through outlet conduit component, heat is taken away.
Preferably, the cover board 110 of the liquid cooling plate 100 is for being attached at the power battery 500, the liquid cooling plate 100
Bottom plate (not shown) connect with support frame as described above 200.
Liquid cooling plate 100 in the present embodiment is in horizontally arranged or is vertically arranged, and is looped around the side and bottom surface of battery, liquid
Cold plate 100 is fixed on support frame 200, and battery modules are fixed on liquid cooling plate 100.
Specifically, several inlet opening (not shown)s of the input duct 300, the inlet opening and the liquid cooling plate
100 liquid inlet joint connection.Cooling medium is distinguished by each inlet opening again by the unified injection cooling medium of input duct 300
Inject each liquid cooling plate 100, wherein the quantity of inlet opening is equal with the liquid inlet joint quantity of liquid cooling plate 100.
Specifically, the liquid outlet pipe 400 includes several fluid hole (not shown)s, the fluid hole and the liquid cooling
The liquid outlet connector of plate 100 connects.By the cooling medium in each liquid cooling plate 100 after absorbing heat, respectively via each
Fluid hole converges into the unified discharge heat dissipation of liquid outlet pipe 400, wherein the quantity of fluid hole and the liquid outlet connector number of liquid cooling plate 100
It measures equal.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
Can be the independent physics of each unit includes that can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also be realized in the form of hardware adds SFU software functional unit.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement;And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of liquid cooling plate, which is characterized in that including the cover board and bottom plate being oppositely arranged, and be arranged on the cover board into
Liquid connector and liquid outlet connector, the liquid inlet joint and the liquid outlet connector are arranged at one that the cover board deviates from the bottom plate
Side;
Wherein, diversion trench and several splitters are provided on the bottom plate, the diversion trench is to be recessed away from the cover board,
The diversion trench includes inlet and liquid outlet, and the inlet is connect with the liquid inlet joint, the liquid outlet and it is described go out
The connection of liquid connector, the splitter are set to the bottom of the diversion trench.
2. liquid cooling plate according to claim 1, which is characterized in that the splitter along the diversion trench length direction
It is intervally arranged, the length direction of the splitter is consistent with the length direction of the diversion trench.
3. liquid cooling plate according to claim 1, which is characterized in that be provided in the width direction of the diversion trench multiple rows of
The splitter.
4. liquid cooling plate according to claim 1, which is characterized in that the diversion trench is S type structure, and the diversion trench is institute
Bottom plate punch forming is stated to be made.
5. liquid cooling plate according to claim 1, which is characterized in that the cover board, the bottom plate, the liquid inlet joint and institute
It states and is fixed between liquid outlet connector by soldering.
6. a kind of heat radiation module of power battery characterized by comprising cabinet, multiple liquid cooling plates, support frame, input duct
And liquid outlet pipe, support frame as described above connect the liquid cooling plate, the liquid cooling plate is separately connected the input duct and the liquid out
Pipeline;
Wherein, the liquid cooling plate includes: the cover board and bottom plate being oppositely arranged, and the liquid inlet joint being arranged on the cover board and
Liquid outlet connector, the liquid inlet joint and the liquid outlet connector are arranged at the side that the cover board deviates from the bottom plate, the bottom
Diversion trench and several splitters are provided on plate, the diversion trench is to be recessed away from the cover board, and the diversion trench includes
Inlet and liquid outlet, the inlet are connect with the liquid inlet joint, and the liquid outlet is connect with the liquid outlet connector, described
Splitter is set to the bottom of the diversion trench.
7. the heat radiation module of power battery according to claim 6, which is characterized in that the cover board is fixed dynamic for attaching
Power battery, the bottom plate are connect with support frame as described above.
8. the heat radiation module of power battery according to claim 6 or 7, which is characterized in that if the input duct includes
Dry inlet opening, the inlet opening are connect with the liquid inlet joint of the liquid cooling plate.
9. the heat radiation module of power battery according to claim 6 or 7, which is characterized in that if the liquid outlet pipe includes
Fluid apertures is done, the fluid hole is connect with the liquid outlet connector of the liquid cooling plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820958407.9U CN208608327U (en) | 2018-06-21 | 2018-06-21 | A kind of heat radiation module of liquid cooling plate and power battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820958407.9U CN208608327U (en) | 2018-06-21 | 2018-06-21 | A kind of heat radiation module of liquid cooling plate and power battery |
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CN208608327U true CN208608327U (en) | 2019-03-15 |
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ID=65665259
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CN201820958407.9U Active CN208608327U (en) | 2018-06-21 | 2018-06-21 | A kind of heat radiation module of liquid cooling plate and power battery |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111653849A (en) * | 2020-06-19 | 2020-09-11 | 深圳市飞荣达科技股份有限公司 | Multilayer liquid cooling plate for battery module |
CN111668574A (en) * | 2020-06-19 | 2020-09-15 | 深圳市飞荣达科技股份有限公司 | A multistage liquid cooling board for battery module |
-
2018
- 2018-06-21 CN CN201820958407.9U patent/CN208608327U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111653849A (en) * | 2020-06-19 | 2020-09-11 | 深圳市飞荣达科技股份有限公司 | Multilayer liquid cooling plate for battery module |
CN111668574A (en) * | 2020-06-19 | 2020-09-15 | 深圳市飞荣达科技股份有限公司 | A multistage liquid cooling board for battery module |
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Effective date of registration: 20230426 Granted publication date: 20190315 |