CN220652117U - Cooling plate and battery pack - Google Patents
Cooling plate and battery pack Download PDFInfo
- Publication number
- CN220652117U CN220652117U CN202322156148.1U CN202322156148U CN220652117U CN 220652117 U CN220652117 U CN 220652117U CN 202322156148 U CN202322156148 U CN 202322156148U CN 220652117 U CN220652117 U CN 220652117U
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- Prior art keywords
- harmonica
- cooling plate
- pipe
- cooling
- pipes
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- 238000001816 cooling Methods 0.000 title claims abstract description 92
- 239000000110 cooling liquid Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 41
- 238000005192 partition Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of batteries, and discloses a cooling plate and a battery pack, wherein the cooling plate comprises a plurality of harmonica pipes, a first collecting pipe and a second collecting pipe, the width of each harmonica pipe is 10% -20% of the total width of the cooling plate, one ends of the harmonica pipes are communicated with the first collecting pipe, and the other ends of the harmonica pipes are communicated with the second collecting pipe, so that the flow rate of cooling liquid entering each harmonica pipe from the first collecting pipe and/or the second collecting pipe is effectively improved, and the cooling efficiency of the cooling plate is improved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a cooling plate and a battery pack.
Background
The cooling plate is usually used for cooling the battery module, and the cooling plate in the prior art is formed by a harmonica pipe, specifically, collecting pipes are arranged at two ends of the harmonica pipe, so that a plurality of flow channels in the harmonica pipe are communicated through the collecting pipes, and cooling liquid can circulate in the flow channels of the harmonica pipe.
In the prior art, a cooling plate is usually made of one harmonica tube or two harmonica tubes, which results in a larger width of a single harmonica tube, and if the cooling plate is made of one harmonica tube, the width of the harmonica tube accounts for about 100% of the width of the cooling plate, and if the cooling plate is made of two harmonica tubes, the width of the single harmonica tube accounts for about 50% of the width of the cooling plate, and the wider width of the harmonica tube results in a smaller flow rate of cooling liquid entering the harmonica tube from a collecting pipe, which is disadvantageous for improving the cooling efficiency of the cooling plate.
Therefore, there is a need to provide a cooling plate and a battery pack to solve the above-mentioned problems.
Disclosure of Invention
A first object of the present utility model is to provide a cooling plate capable of increasing the flow rate of the cooling liquid entering each harmonica pipe from the first header and/or the second header.
To achieve the purpose, the utility model adopts the following technical scheme:
a cooling plate, comprising:
the width of each harmonica pipe is 10% -20% of the total width of the cooling plate;
the device comprises a first collecting pipe and a second collecting pipe, wherein one ends of a plurality of harmonica pipes are communicated with the first collecting pipe, and the other ends of the harmonica pipes are communicated with the second collecting pipe.
Optionally, the width of the plurality of harmonica tubes is equal.
Alternatively, the width of the harmonica tube is 140mm-145mm and the total width of the cooling plate is 1000mm.
Optionally, the harmonica pipe includes a plurality of flow channels, the sum of the flow channels of the harmonica pipes is the total number of flow channels of the cooling plate, and the number of flow channels of each harmonica pipe is 10% -20% of the total number of flow channels of the cooling plate.
Alternatively, the number of flow channels per harmonica tube is 4-6.
Optionally, the number of flow channels of the plurality of harmonica tubes is equal.
Optionally, the cooling plate further comprises a liquid inlet pipe and a liquid outlet pipe, wherein the liquid inlet pipe is communicated with the first collecting pipe, and the liquid outlet pipe is communicated with the second collecting pipe;
or, the liquid inlet pipe and the liquid outlet pipe are both communicated with the first collecting pipe;
or, the liquid inlet pipe and the liquid outlet pipe are both communicated with the second collecting pipe.
Optionally, the plurality of harmonica pipes are connected in series through the first collecting pipe and the second collecting pipe, and along the flowing direction of the cooling liquid, the liquid inlet pipe corresponds to the middle position of the first harmonica pipe, and the liquid outlet pipe corresponds to the middle position of the last harmonica pipe.
Optionally, the cooling plate further includes a plurality of first separators and a plurality of second separators, the plurality of first separators are all installed in the first collecting pipe, and along the flowing direction of the cooling liquid, the plurality of first separators are respectively blocked between the nth harmonica pipe and the n+1th harmonica pipe, n is an odd number, and the minimum value of n is 1;
the second separators are arranged in the second collecting pipe and respectively arranged between the m-th harmonica pipe and the m+1th harmonica pipe along the flowing direction of the cooling liquid, m is an even number, and the minimum value of m is 2.
A second object of the present utility model is to provide a battery pack having high safety and reliability in use.
To achieve the purpose, the utility model adopts the following technical scheme:
the battery pack comprises a battery box, a battery module and the cooling plate, wherein the battery module and the cooling plate are arranged in the battery box.
The beneficial effects are that:
according to the cooling plate provided by the utility model, one ends of the harmonica pipes are communicated with the first collecting pipe, the other ends of the harmonica pipes are communicated with the second collecting pipe, and the width of each harmonica pipe is 10% -20% of the total width of the cooling plate, compared with the prior art that a single harmonica pipe accounts for about 100% or 50% of the total width of the cooling plate, the width of each harmonica pipe in the cooling plate is narrower, so that the flow velocity of cooling liquid entering each harmonica pipe from the first collecting pipe and/or the second collecting pipe is effectively improved, and the cooling efficiency of the cooling plate is further improved.
According to the battery pack provided by the utility model, the cooling plate is adopted, and the heat emitted by the battery module can be quickly absorbed by the cooling plate, so that the use safety and reliability of the battery pack are improved.
Drawings
Fig. 1 is a schematic view of the structure of a cooling plate provided in the present embodiment;
fig. 2 is a schematic cross-sectional view of the mouth organ pipe provided in the present embodiment;
fig. 3 is a schematic view of the flow direction of the cooling liquid of the cooling plate according to the present embodiment;
fig. 4 is an enlarged view of a partial structure of the second header provided in the present embodiment.
In the figure:
100. a harmonica tube; 110. a flow passage; 210. a first header; 220. a second header; 310. a liquid inlet pipe; 320. a liquid outlet pipe; 400. and a second separator.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The present embodiment provides a cooling plate capable of increasing the flow rate of the cooling liquid entering each harmonica tube from the first header and/or the second header.
Specifically, as shown in fig. 1, the cooling plate includes a plurality of harmonica pipes 100, a first header 210, and a second header 220, wherein the width of each harmonica pipe 100 is 10% -20% of the total width of the cooling plate, and illustratively, the width of each harmonica pipe 100 is 10%, 14.29%, 15%, 20% or the like of the total width of the cooling plate, one end of the harmonica pipe 100 is communicated with the first header 210, and the other end of the harmonica pipe 100 is communicated with the second header 220.
Based on the above design, the width of each harmonica pipe 100 of the cooling plate provided in this embodiment is 10% -20% of the total width of the cooling plate, and compared with the prior art in which a single harmonica pipe occupies about 100% or 50% of the total width of the cooling plate, the width of each harmonica pipe 100 in the cooling plate is narrower, so that the flow rate of the cooling liquid entering each harmonica pipe 100 from the first collecting pipe 210 and/or the second collecting pipe 220 is effectively improved, and the cooling efficiency of the cooling plate is further improved.
The cooling liquid may be cooling water or a refrigerant, that is, the cooling plate provided in this embodiment may be a water cooling plate or a liquid cooling plate.
Preferably, the total width of the cooling plate is 1000mm, the width of the harmonica tube 100 is 140mm-145mm, and the length of the cooling plate which is commonly used on the market at present is 2 meters, and the width of the cooling plate is 1 meter, so when the total width of the cooling plate is 1 meter, the width of the harmonica tube 100 is the best mode when 140mm-145mm, and the width of the harmonica tube 100 can be 140mm, 142.86mm, 145mm or the like by way of example.
Optionally, the plurality of harmonica tubes 100 may be of equal width to improve the uniformity of the flow rate of the cooling fluid within the plurality of harmonica tubes 100.
Optionally, the harmonica pipe 100 includes a plurality of flow channels 110, the sum of the flow channels 110 of the plurality of harmonica pipes 100 is the total number of flow channels 110 of the cooling plate, the number of flow channels 110 of each harmonica pipe 100 is 10% -20% of the total number of flow channels of the cooling plate, and illustratively, the number of flow channels 110 of each harmonica pipe 100 is 10%, 16.67% or 20% of the total number of flow channels of the cooling plate, and the number of flow channels in a single harmonica pipe is more in the prior art, and generally the number of flow channels in a single harmonica pipe accounts for 100% or 50% of the total number of flow channels of the cooling plate. In order to solve the above technical problems, the number of the flow channels 110 of each harmonica tube 100 in this embodiment is 10% -20% of the total number of flow channels of the cooling plate, so that the number of the flow channels 110 in each harmonica tube 100 is reduced, and further, the uniformity of the flow velocity of the cooling liquid in the flow channels 110 in each harmonica tube 100 is improved, and the effect of improving the uniformity of the cooling capacity of the cooling plate is achieved. Preferably, the number of the flow channels 110 of each harmonica tube 100 is 4-6, and for example, the number of the flow channels 110 of each harmonica tube 100 may be 4, 5 or 6, and fig. 2 is a schematic cross-sectional view of the harmonica tube 100 when the number of the flow channels 110 is 6.
Optionally, the number of the flow passages 110 of the plurality of harmonica pipes 100 is equal to improve the uniformity of the flow velocity of the cooling liquid between the plurality of harmonica pipes 100, which has the effect of further improving the uniformity of the cooling capacity of the cooling plate.
Optionally, as shown in fig. 1, the cooling plate further includes a liquid inlet pipe 310 and a liquid outlet pipe 320, where the liquid inlet pipe 310 and the liquid outlet pipe 320 are both in communication with the first collecting pipe 210, so that the cooling liquid can circulate among the liquid inlet pipe 310, the first collecting pipe 210, the plurality of harmonica pipes 100, the second collecting pipe 220 and the liquid outlet pipe 320, and both the liquid inlet pipe 310 and the liquid outlet pipe 320 are located on the same side of the cooling plate. Of course, in other embodiments, the liquid inlet pipe 310 may be in communication with the first collecting pipe 210, the liquid outlet pipe 320 may be in communication with the second collecting pipe 220, and the liquid inlet pipe 310 and the liquid outlet pipe 320 may be located at two sides of the cooling plate, respectively, or the liquid inlet pipe 310 and the liquid outlet pipe 320 may be in communication with the second collecting pipe 220, and the liquid inlet pipe 310 and the liquid outlet pipe 320 may be located at the same side of the cooling plate.
Optionally, as shown in fig. 3, along the flow direction of the cooling liquid, the liquid inlet pipe 310 corresponds to the middle position of the first harmonica pipe 100, the liquid outlet pipe 320 corresponds to the middle position of the last harmonica pipe 100, and this structure is beneficial to improving the uniformity of the flow velocity of the cooling liquid in the multiple flow channels 110 in the first harmonica pipe 100, and also beneficial to improving the uniformity of the flow velocity of the cooling liquid in the multiple flow channels 110 in the last harmonica pipe 100, and the multiple harmonica pipes 100 are arranged in series through the first collecting pipe 210 and the second collecting pipe 220, and further improves the uniformity of the flow velocity of the cooling liquid in the multiple flow channels 110 in the harmonica pipe 100 at the middle position, and finally improves the uniformity of the flow velocity of the cooling liquid in the whole cooling plate, and further improves the uniformity of the cooling capacity of the cooling plate.
Further, as shown in fig. 3 and 4, the cooling plate further includes a plurality of first partitions (not shown) installed in the first header 210 and respectively partitioned between the nth and the n+1th harmonica pipes 100 in the flow direction of the cooling liquid, and a plurality of second partitions 400, n being an odd number and n being a minimum value of 1; the plurality of second separators 400 are installed in the second header 220, and the plurality of second separators 400 are respectively spaced between the mth harmonica pipe 100 and the m+1th harmonica pipe 100 in the flow direction of the cooling liquid, m is an even number, and the minimum value of m is 2, that is, the plurality of first separators installed in the first header 210 are respectively spaced in: between the first harmonica tube 100 and the second harmonica tube 100, between the third harmonica tube 100 and the fourth harmonica tube 100, between the fifth harmonica tube 100 and the sixth harmonica tube 100, etc.; the plurality of second partitions 400 installed in the second header 220 are partitioned in: between the second harmonica pipe 100 and the third harmonica pipe 100, between the fourth harmonica pipe 100 and the fifth harmonica pipe 100, etc., thereby forming a manner in which the plurality of harmonica pipes 100 are connected in series and the cooling liquid flows in a serpentine manner in the plurality of harmonica pipes 100, the first header 210, and the second header 220. In this embodiment, as shown in fig. 3, the number of the harmonica pipes 100 is six, and three harmonica pipes 100 are slightly spaced from the other three harmonica pipes 100, and the arrows in fig. 3 point to the directions of the flow of the cooling liquid in the harmonica pipes 100, the first collecting pipe 210 and the second collecting pipe 220.
The embodiment also provides a battery pack, which has higher use safety and reliability.
Specifically, this battery package includes battery box, battery module and foretell cooling plate, and battery module and cooling plate are all installed in the battery box, and this battery package adopts foretell cooling plate, and the heat that battery module sent can be absorbed by the cooling plate fast, therefore has improved the safety in utilization and the reliability of battery package.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A cooling plate, comprising:
a plurality of harmonica tubes (100), each harmonica tube (100) having a width of 10% -20% of the total width of the cooling plate;
the device comprises a first collecting pipe (210) and a second collecting pipe (220), wherein one ends of a plurality of harmonica pipes (100) are communicated with the first collecting pipe (210), and the other ends of the harmonica pipes (100) are communicated with the second collecting pipe (220).
2. The cooling plate according to claim 1, wherein the width of a plurality of said harmonica tubes (100) is equal.
3. The cooling plate according to claim 1, characterized in that the width of the harmonica tube (100) is 140-145 mm and the total width of the cooling plate is 1000mm.
4. The cooling plate according to claim 1, wherein the harmonica duct (100) comprises a number of flow channels (110), the sum of the flow channels (110) of a plurality of the harmonica ducts (100) being the total number of flow channels of the cooling plate, the number of flow channels (110) of each harmonica duct (100) being 10% -20% of the total number of flow channels of the cooling plate.
5. The cooling plate according to claim 4, wherein the number of flow channels (110) per harmonica tube (100) is 4-6.
6. The cooling plate according to claim 4, wherein the number of flow channels (110) of a plurality of harmonica tubes (100) is equal.
7. The cooling plate according to claim 1, further comprising a liquid inlet pipe (310) and a liquid outlet pipe (320), the liquid inlet pipe (310) being in communication with the first header (210), the liquid outlet pipe (320) being in communication with the second header (220);
or, the liquid inlet pipe (310) and the liquid outlet pipe (320) are communicated with the first collecting pipe (210);
or, the liquid inlet pipe (310) and the liquid outlet pipe (320) are both communicated with the second collecting pipe (220).
8. The cooling plate according to claim 7, wherein a plurality of the harmonica pipes (100) are arranged in series through the first header (210) and the second header (220), the liquid inlet pipe (310) corresponds to an intermediate position of a first one of the harmonica pipes (100) and the liquid outlet pipe (320) corresponds to an intermediate position of a last one of the harmonica pipes (100) in a flow direction of the cooling liquid.
9. The cooling plate according to claim 8, further comprising a plurality of first partitions (400) each installed in the first header (210) and respectively partitioned between an nth one of the harmonica pipes (100) and an n+1th one of the harmonica pipes (100) in a flow direction of the cooling liquid, n being an odd number and n being a minimum value of 1;
the second separators (400) are all installed in the second collecting pipe (220), and along the flowing direction of the cooling liquid, the second separators (400) are respectively arranged between the mth harmonica pipe (100) and the (m+1) th harmonica pipe (100), m is an even number, and the minimum value of m is 2.
10. A battery pack comprising a battery case, a battery module, and the cooling plate according to any one of claims 1 to 9, wherein the battery module and the cooling plate are both installed in the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322156148.1U CN220652117U (en) | 2023-08-11 | 2023-08-11 | Cooling plate and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322156148.1U CN220652117U (en) | 2023-08-11 | 2023-08-11 | Cooling plate and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220652117U true CN220652117U (en) | 2024-03-22 |
Family
ID=90283879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322156148.1U Active CN220652117U (en) | 2023-08-11 | 2023-08-11 | Cooling plate and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220652117U (en) |
-
2023
- 2023-08-11 CN CN202322156148.1U patent/CN220652117U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240731 Address after: 313100 Green Intelligent Manufacturing Industrial Park, South Taihu industrial cluster, Changxing County Development Zone, Huzhou City, Zhejiang Province Patentee after: Jiewei Power (Changxing) Co.,Ltd. Country or region after: China Address before: No.11, Kaiyuan Road, Xiqing automobile industrial zone, Xiqing District, Tianjin 300380 Patentee before: TIANJIN EV ENERGIES Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |