CN209169330U - A kind of electrokinetic cell system plate structure of cooling - Google Patents
A kind of electrokinetic cell system plate structure of cooling Download PDFInfo
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- CN209169330U CN209169330U CN201821952080.0U CN201821952080U CN209169330U CN 209169330 U CN209169330 U CN 209169330U CN 201821952080 U CN201821952080 U CN 201821952080U CN 209169330 U CN209169330 U CN 209169330U
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- plate structure
- cooling
- media flow
- cell system
- electrokinetic cell
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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 provides a kind of electrokinetic cell system plate structure of cooling, including coldplate main body, several cold media flow channels being parallel to each other are equipped with along the length direction of coldplate main body in coldplate main body, the shape of the cross section of cold media flow channel is regular hexagon, and the cross section arrangement of several cold media flow channels is in honeycomb.Cold media flow channel is honeycomb structure arrangement in the electrokinetic cell system plate structure of cooling, the structural stability of honeycomb structure is very strong, intensity is high, its tightness is high after runner is arranged according to honeycomb, the runner being distributed in unit volume is more, mitigate the weight of entire plate structure of cooling significantly, cooling efficiency greatly improves.
Description
Technical field
The utility model belongs to lithium ion power battery technology field, more particularly, to a kind of electrokinetic cell system coldplate
Structure.
Background technique
The shortage of the energy and people are to the main reason for requirements at the higher level of quality of life are electric vehicle development.With new energy
Industry is greatly developed, and electric car is slowly popularized, and is broadly divided into pure electric automobile, hybrid vehicle, fuel cell car
Deng；Power battery provides power for electric car, is one of essential part of electric car, also implies power battery
Development scene unlimited in the future.
Electric automobile power battery is lithium ion battery, and the performance of lithium-ion-power cell is more sensitive to temperature change, vehicle
Loading space on is limited, and number of battery cells needed for vehicle is larger, and battery is close-packed arrays connection.When vehicle high speed, it is low
When running under the different driving conditions of checkers such as speed, acceleration, deceleration, battery can be discharged with different multiplying, with different heats
Rate generates amount of heat, in addition accumulated time and spacial influence can generate uneven heat aggregation, so as to cause battery pack
Operating ambient temperature is complicated and changeable.
The quality of the cooling performance of power battery directly affects the efficiency of battery, while also influencing whether battery life and making
With safety.Since battery itself can generate certain heat in charge and discharge process, so as to cause temperature rising, and temperature increases meeting shadow
The many characterisitic parameters for ringing battery, such as internal resistance, voltage, SOC, active volume, efficiency for charge-discharge and battery life.Therefore in power
Coldplate is arranged in outside batteries in battery system, and cooling medium runner is arranged in coldplate, and the cooling medium in runner does not stop
Dynamic to take away the heat generated when battery work, the runner in coldplate in the prior art is mostly concatenated serpentine flow path, cold
But media flow paths are tediously long and flow passage structure stability is poor, in addition, arrangement tightness of the runner in coldplate is low, coldplate
Weight accounting itself is big, leads to coldplate weight weight, and cooling efficiency is low.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of electrokinetic cell system plate structure of cooling, cold Jie in coldplate
The arrangement of mass flow road is in honeycomb, and flow passage structure intensity is high, coldplate light weight, and cooling efficiency is high.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of electrokinetic cell system coldplate
Structure, including coldplate main body are equipped with several cold Jie being parallel to each other along the length direction of coldplate main body in coldplate main body
Mass flow road, the shape of the cross section of cold media flow channel is regular hexagon, and the cross section arrangement of several cold media flow channels is in honeycomb
Shape.
In technical solution, it is preferred that the arrangement of the cross sections of several cold media flow channels in single honeycomb, double honeycomb or
Multiple rows of honeycomb.
In technical solution, it is preferred that the cross section arrangement of several cold media flow channels is in double honeycomb.
In technical solution, it is preferred that coldplate main body is tabular.
In technical solution, it is preferred that coldplate main body is S template.
In technical solution, it is preferred that the side of the cold media flow channel positioned at section part in coldplate main body passes through brazed aluminum
Plate, friction welding (FW) aluminium sheet or the sealing of Laser Welding aluminium sheet.
In technical solution, it is preferred that the side of the cold media flow channel positioned at section part in coldplate main body passes through brazed aluminum
Plate sealing.
The utility model has the advantages and positive effects of: cold media flow channel in the electrokinetic cell system plate structure of cooling
For honeycomb structure arrangement, the structural stability of honeycomb structure is very strong, and intensity is high, it is tight after runner is arranged according to honeycomb
Density is high, and the runner being distributed in unit volume is more, mitigates the weight of entire plate structure of cooling significantly, cooling efficiency mentions significantly
It is high.
Detailed description of the invention
Fig. 1 is that the electrokinetic cell system plate structure of cooling of the utility model embodiment one is used for the structure of square battery mould group
Schematic diagram.
Fig. 2 is the structural schematic diagram of the electrokinetic cell system plate structure of cooling of the utility model embodiment one.
Fig. 3 is the cross-sectional view of the electrokinetic cell system plate structure of cooling of the utility model embodiment one, two.
Fig. 4 is that the electrokinetic cell system plate structure of cooling of the utility model embodiment two is used for the knot of cylindrical battery mould group
Structure schematic diagram.
Fig. 5 is the structural schematic diagram of the electrokinetic cell system plate structure of cooling of the utility model embodiment two.
In figure:
1, coldplate main body 2, cold media flow channel
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
Embodiment one
A kind of electrokinetic cell system plate structure of cooling described in the present embodiment is used for square battery mould group, as shown in Figure 1,
It is filled, and compressed, plate structure of cooling with heat conductive silica gel with battery bonding position in the battery pack bottom in square battery mould group
It can be set in battery modules between adjacent cell side, be filled with heat conductive silica gel, side needs to be compressed with external force.The power electric
Cell system plate structure of cooling includes coldplate main body 1, as shown in Fig. 2, coldplate main body is tabular, edge in coldplate main body 1
The length direction of coldplate main body 1 is equipped with several cold media flow channels 2 being parallel to each other, as shown in figure 3, the cross of cold media flow channel 2
The shape in section is regular hexagon, and the cross section of several cold media flow channels 2 is arranged in honeycomb, and the cross of cold media flow channel 2
Section arrangement is in single honeycomb or double honeycomb or multiple rows of honeycomb, preferably double honeycomb, the position in coldplate main body 1
Pass through soldering aluminium sheet, friction welding (FW) aluminium sheet or the sealing of Laser Welding aluminium sheet in the side of the cold media flow channel 2 of section part, it is preferred that pass through
It is brazed aluminium sheet sealing.The plate structure of cooling can be made as according to demand flow diameter be 0.2~20mm, wall thickness be 0.1~10mm,
The plate-like structure of 1~50mm of altitude range.Cooling medium, cooling medium are passed through in cold media flow channel into plate structure of cooling
Enter from the flow channel entry point of plate structure of cooling one end, is flowed out from the runner exit of the plate structure of cooling other end, take away battery pack work
The heat generated during making cools down for battery pack.
Cold media flow channel is honeycomb structure arrangement in the electrokinetic cell system plate structure of cooling, firstly, honeycomb structure
Structural stability it is very strong, intensity is high, secondly, its tightness is high after runner is arranged according to honeycomb, distribution in unit volume
Runner it is more, mitigate the weight of entire plate structure of cooling significantly, cooling efficiency greatly improves.
Embodiment two
A kind of electrokinetic cell system plate structure of cooling described in the present embodiment is used for cylindrical battery mould group, such as Fig. 4 institute
Show, be wrapped in cylindrical battery mould group between neighboring unit cell with S type, is filled with battery bonding position with heat conductive silica gel,
And it compresses.The electrokinetic cell system plate structure of cooling includes coldplate main body 1, as shown in figure 5, coldplate main body is S template shape,
Several cold media flow channels 2 being parallel to each other are equipped with along the length direction of coldplate main body 1 in coldplate main body 1, as shown in figure 3,
The shape of the cross section of cold media flow channel 2 is regular hexagon, and the cross section arrangement of several cold media flow channels 2 is in honeycomb, and
The cross section arrangement of cold media flow channel 2 is cold in single honeycomb or double honeycomb or multiple rows of honeycomb, preferably double honeycomb
But the side of the cold media flow channel 2 positioned at section part in plate main body 1 is close by soldering aluminium sheet, friction welding (FW) aluminium sheet or Laser Welding aluminium sheet
Envelope, it is preferred that pass through soldering aluminium sheet sealing.It is 0.2~20mm, wall that the plate structure of cooling can be made as flow diameter according to demand
Thickness is the plate-like structure of 0.1~10mm, 1~50mm of altitude range.It is passed through in cold media flow channel into plate structure of cooling cold
But medium, cooling medium enters from the flow channel entry point of plate structure of cooling one end, from the runner exit stream of the plate structure of cooling other end
Out, the heat generated in the battery pack course of work is taken away, is cooled down for battery pack.
Identical as the technical effect of electrokinetic cell system plate structure of cooling in embodiment one, the electrokinetic cell system is cooling
Cold media flow channel is honeycomb structure arrangement in hardened structure, firstly, the structural stability of honeycomb structure is very strong, intensity is high,
Secondly, its tightness is high after runner is arranged according to honeycomb, the runner being distributed in unit volume is more, makes entire plate structure of cooling
Weight mitigate significantly, cooling efficiency greatly improves.
Several embodiments of the utility model are described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of electrokinetic cell system plate structure of cooling, it is characterised in that: including coldplate main body, edge in the coldplate main body
The length direction of the coldplate main body is equipped with several cold media flow channels being parallel to each other, the cross section of the cold media flow channel
Shape is regular hexagon, and the cross section arrangement of several cold media flow channels is in honeycomb.
2. electrokinetic cell system plate structure of cooling according to claim 1, it is characterised in that: several cold media flow channels
Cross section arrangement be in single honeycomb, double honeycomb or multiple rows of honeycomb.
3. electrokinetic cell system plate structure of cooling according to claim 2, it is characterised in that: several cold media flow channels
Cross section arrangement be in double honeycomb.
4. electrokinetic cell system plate structure of cooling according to claim 1 to 3, it is characterised in that: the coldplate master
Body is tabular.
5. electrokinetic cell system plate structure of cooling according to claim 1 to 3, it is characterised in that: the coldplate master
Body is S template.
6. electrokinetic cell system plate structure of cooling according to claim 1 to 3, it is characterised in that: the coldplate master
The side of the cold media flow channel positioned at section part in body passes through soldering aluminium sheet, friction welding (FW) aluminium sheet or the sealing of Laser Welding aluminium sheet.
7. electrokinetic cell system plate structure of cooling according to claim 6, it is characterised in that: in the coldplate main body
Side positioned at the cold media flow channel of section part passes through soldering aluminium sheet sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821952080.0U CN209169330U (en) | 2018-11-26 | 2018-11-26 | A kind of electrokinetic cell system plate structure of cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821952080.0U CN209169330U (en) | 2018-11-26 | 2018-11-26 | A kind of electrokinetic cell system plate structure of cooling |
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| Publication Number | Publication Date |
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| CN209169330U true CN209169330U (en) | 2019-07-26 |
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| CN201821952080.0U Active CN209169330U (en) | 2018-11-26 | 2018-11-26 | A kind of electrokinetic cell system plate structure of cooling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725574A (en) * | 2022-06-09 | 2022-07-08 | 宜宾职业技术学院 | Cooling assembly for power battery and power battery module safety device |
| WO2023160111A1 (en) * | 2022-02-25 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
-
2018
- 2018-11-26 CN CN201821952080.0U patent/CN209169330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160111A1 (en) * | 2022-02-25 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
| CN114725574A (en) * | 2022-06-09 | 2022-07-08 | 宜宾职业技术学院 | Cooling assembly for power battery and power battery module safety device |
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