CN218299936U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
- Publication number
- CN218299936U CN218299936U CN202222235515.2U CN202222235515U CN218299936U CN 218299936 U CN218299936 U CN 218299936U CN 202222235515 U CN202222235515 U CN 202222235515U CN 218299936 U CN218299936 U CN 218299936U
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- China
- Prior art keywords
- liquid cooling
- battery module
- battery
- module according
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000004321 preservation Methods 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000110 cooling liquid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010622 cold drawing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of the battery, a battery module and battery package are disclosed. The battery module comprises a plurality of liquid cooling plates, heating elements and a box body which are arranged in parallel at intervals, wherein a battery core group is arranged between every two adjacent liquid cooling plates, accommodating holes are formed in the liquid cooling plates, and the accommodating holes penetrate through the length direction of the liquid cooling plates; the heating element is arranged in the accommodating hole; the holding tank has been seted up in the box, and in the holding tank was all located to electric core group and liquid cooling board, the bottom of box was equipped with at least one heat preservation cavity. In the battery module provided by the utility model, the electric core group is arranged between the adjacent liquid cooling plates, and both side surfaces of the electric core group can be cooled, thereby improving the cooling efficiency; the heating element is arranged in the accommodating hole, and the heating element and the liquid cooling plate are integrated together, so that the overall structure of the battery module is more compact, the space is saved, and the energy density is improved; the heat preservation cavity has the effect of heat preservation. The utility model provides a battery package includes above-mentioned battery module, and the space of battery package has been saved to the compact structure of battery module.
Description
Technical Field
The utility model relates to a battery technology field especially relates to battery module and battery package.
Background
The liquid cooling plate is the main component of the battery pack heat management system, and cooling liquid is introduced into a liquid cooling channel of the liquid cooling plate to dissipate heat of the electric core group, or the electric core group is heated and warmed through a heating body. Traditional liquid cooling board sets up in the bottom of battery box usually, can only cool off the unilateral of electric core group to, the heating member often sets up in the outside of liquid cooling board, and the heating member comes to heat the electric core group through heating coolant liquid and heaies up, and the structure of liquid cooling board and heating member is not compact enough, leads to the heating efficiency low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery module aims at making the structure of liquid cooling board and heating member compacter, improves heating efficiency.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery module, comprising:
the liquid cooling plates are arranged in parallel at intervals, a battery cell group is arranged between every two adjacent liquid cooling plates, accommodating holes are formed in the liquid cooling plates, and the accommodating holes penetrate through the length directions of the liquid cooling plates;
the heating element is arranged in the accommodating hole; and
the box, the holding tank has been seted up in the box, the electric core group with the liquid cooling board is all located in the holding tank, the bottom of box is equipped with at least one heat preservation cavity.
Optionally, the heating member is a PTC heating sheet.
Optionally, the both ends of liquid-cooling board are equipped with two end plates relatively, two the end plate all is located in the holding tank.
Optionally, the holding tank is a trapezoidal groove, the caliber of the notch of the holding tank is gradually reduced from the open end to the closed end, and the closed end is close to the bottom of the box body.
Optionally, the box body is provided with an extension edge near the open end.
Optionally, the electric core group is connected to the bottom of the accommodating groove through gluing.
Optionally, a plurality of heating elements are arranged, a plurality of accommodating holes are formed in the liquid cooling plate, and the plurality of heating elements are connected to the hole walls of the plurality of accommodating holes in a one-to-one correspondence manner through adhesives;
or the heating elements and the hole walls of the containing holes are connected in a one-to-one correspondence mode through welding.
Optionally, the liquid cooling plate includes a plurality of liquid cooling pieces that set up side by side, the extending direction of liquid cooling piece with the extending direction in holding the hole is parallel, be equipped with the runner on the liquid cooling piece.
Optionally, the bottom of the box body is provided with a plurality of heat preservation cavities, the heat preservation cavities are arranged in parallel, and the heat preservation cavities are cuboid cavities.
A battery pack comprises the battery module according to any one of the above aspects.
The utility model has the advantages that: the utility model provides a battery module, including a plurality of liquid cooling boards that parallel interval set up, the electric core group locates between the adjacent liquid cooling boards, and the both sides face of electric core group all can be cooled off, has improved cooling efficiency, has prolonged the life of electric core group; the liquid cooling plate is provided with a containing hole, the heating element is arranged in the containing hole, and the heating element and the liquid cooling plate are integrated together, so that the overall structure of the battery module is more compact, the space is saved, and the energy density is improved; the bottom of the box body is provided with at least one heat preservation cavity, so that the heat preservation effect is achieved.
The utility model provides a battery pack, including above-mentioned battery module, the battery module will add heat-insulating material and liquid cooling board integration together, make the overall structure of battery module compacter, has saved the space of battery pack, has improved energy density, and the electric core group is equipped with between the adjacent liquid cooling board, has improved cooling efficiency.
Drawings
Fig. 1 is a three-dimensional structure diagram of a battery module provided by the embodiment of the present invention;
fig. 2 is a cross-sectional view of a battery module according to an embodiment of the present invention.
In the figure:
1. a liquid-cooled plate; 11. a liquid-cooled piece; 2. the electric core group; 3. a heating element; 4. a box body; 41. a heat preservation cavity; 42. an extension edge; 5. and an end plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
As shown in fig. 1 and fig. 2, this embodiment provides a battery module, where the battery module includes a plurality of liquid-cooling plates 1 arranged in parallel at intervals, a heating element 3, and a box 4, a battery cell group 2 is arranged between adjacent liquid-cooling plates 1, and a containing hole is formed in each liquid-cooling plate 1, and the containing hole penetrates through the liquid-cooling plate 1 in the length direction; the heating element 3 is arranged in the accommodating hole; set up the holding tank in box 4, in the holding tank was all located to electric core group 2 and liquid cooling plate 1, the bottom of box 4 was equipped with at least one heat preservation cavity 41.
The utility model provides a battery module, including a plurality of liquid cooling boards 1 that parallel interval set up, electric core group 2 locates between the adjacent liquid cooling boards 1, and the both sides face of electric core group 2 can all be cooled off, has improved cooling efficiency, has prolonged the life of electric core group 2; the liquid cooling plate 1 is provided with accommodating holes, the accommodating holes penetrate through the length direction of the liquid cooling plate 1 (namely the grouping direction of the battery cells), the heating member 3 is arranged in the accommodating holes, and the heating member 3 and the liquid cooling plate 1 are integrated together, so that the whole structure of the battery module is more compact, the space is saved, and the energy density is improved; the bottom of the box body 4 is provided with at least one heat preservation cavity 41, which plays a heat preservation role.
Optionally, the both ends of liquid cooling board 1 are equipped with two end plates 5 relatively, and two end plates 5 all are located the holding tank, and the setting of end plate 5 is convenient for fix liquid cooling board 1, prevents that liquid cooling board 1 from taking place to rock, has improved the structural stability of this battery module. Preferably, the liquid cooled plate 1 is detachably connected to the end plate 5. Illustratively, the liquid cooling plate 1 and the end plate 5 may be connected by screws for easy operation.
In this embodiment, the holding tank is the dovetail groove, and the notch bore of holding tank reduces to the closed end by the open end gradually, and the closed end is close to the bottom half setting, is convenient for arrange electric core group 2 and liquid cold drawing 1 in the holding tank, has improved the installation effectiveness.
Furthermore, the box body 4 is provided with an extending edge 42 near the opening end, and the extending edge 42 can improve the guiding function, and meanwhile, the end part of the box body 4 can be prevented from being too sharp, and the attractiveness can also be improved.
Optionally, the electric core group 2 is connected in the tank bottom of holding tank through gluing, easily installs, and the packaging efficiency is high, and is convenient for realize the volume production.
Optionally, a plurality of heating members 3 are arranged, a plurality of accommodating holes are formed in the liquid cooling plate 1, and the plurality of heating members are connected to the wall of each accommodating hole in a one-to-one correspondence manner through adhesive; or, the hole walls of the plurality of heating members 3 and the plurality of accommodating holes are in one-to-one correspondence and are connected by welding, so that the installation is convenient, and the mass production is easy to realize.
In this embodiment, the heating member 3 is a PTC heating sheet, which has high heating efficiency and long service life.
Optionally, the bottom of box 4 is equipped with a plurality of heat preservation cavities 41, and a plurality of heat preservation cavities 41 are parallel arrangement each other, and heat preservation cavity 41 is the cuboid cavity, and the heat preservation cavity 41 of cuboid is easily processed and manufactured, and a plurality of heat preservation cavities 41 are parallel arrangement each other, more do benefit to and improve the heat preservation effect.
In this embodiment, the liquid cooling plate 1 includes a plurality of liquid cooling members 11 arranged side by side, and the extending direction of the liquid cooling members 11 is parallel to the extending direction of the accommodating holes, so that the liquid cooling members 11 and the heating members 3 are more compactly arranged; the liquid cooling member 11 is provided with a flow passage, which may be a U-shaped flow passage or an S-shaped flow passage, for example, to improve cooling efficiency.
Optionally, the battery module further comprises a joint through which the cooling liquid is communicated with the flow channel. Specifically, the connectors comprise a water inlet connector and a water outlet connector, and the water inlet connector and the water outlet connector are communicated with an external cooling liquid container to realize the circulating flow of the cooling liquid.
The embodiment also provides a battery pack, and the battery pack comprises the battery module.
The utility model provides a battery pack, including above-mentioned battery module, battery module will add heat-insulating material 3 and liquid cooling board 1 integration together, make battery module's overall structure compacter, has saved the space of battery pack, has improved energy density, and electric core group 2 locates between the adjacent liquid cooling board 1, has improved cooling efficiency.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. Battery module, its characterized in that includes:
the liquid cooling device comprises a plurality of liquid cooling plates (1), wherein the liquid cooling plates (1) are arranged in parallel at intervals, a battery core group (2) is arranged between every two adjacent liquid cooling plates (1), accommodating holes are formed in the liquid cooling plates (1), and the accommodating holes penetrate through the length direction of the liquid cooling plates (1);
the heating element (3), the said heating element (3) locates in the said holding hole; and
the box (4), the holding tank has been seted up in box (4), electric core group (2) with liquid-cooled plate (1) all locates in the holding tank, the bottom of box (4) is equipped with at least one heat preservation cavity (41).
2. The battery module according to claim 1, wherein the heating member (3) is a PTC heating sheet.
3. The battery module according to claim 1, wherein the liquid-cooled plate (1) is provided with two end plates (5) at opposite ends thereof, and both end plates (5) are located in the receiving groove.
4. The battery module according to claim 1, wherein the accommodating groove is a trapezoidal groove, the caliber of the opening of the accommodating groove is gradually reduced from an open end to a closed end, and the closed end is arranged close to the bottom of the box body (4).
5. The battery module according to claim 4, wherein the case (4) is provided with an extended rim (42) near the open end.
6. The battery module according to claim 1, wherein the electric core pack (2) is attached to the bottom of the receiving groove by adhesive.
7. The battery module according to claim 1, wherein a plurality of heating members are provided, a plurality of accommodating holes are formed in the liquid cooling plate (1), and the plurality of heating members (3) are connected to the wall of the plurality of accommodating holes in a one-to-one correspondence manner by adhesive;
or the heating parts (3) are connected with the hole walls of the containing holes in a one-to-one correspondence manner through welding.
8. The battery module according to claim 7, wherein the liquid cooling plate (1) comprises a plurality of liquid cooling members (11) arranged side by side, the extending direction of the liquid cooling members (11) is parallel to the extending direction of the accommodating holes, and flow channels are arranged on the liquid cooling members (11).
9. The battery module according to claim 1, wherein a plurality of heat-insulating cavities (41) are formed in the bottom of the box body (4), the heat-insulating cavities (41) are arranged in parallel, and the heat-insulating cavities (41) are rectangular cavities.
10. A battery pack, comprising the battery module according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235515.2U CN218299936U (en) | 2022-08-24 | 2022-08-24 | Battery module and battery pack |
| PCT/CN2022/127010 WO2024040730A1 (en) | 2022-08-24 | 2022-10-24 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235515.2U CN218299936U (en) | 2022-08-24 | 2022-08-24 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218299936U true CN218299936U (en) | 2023-01-13 |
Family
ID=84796042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222235515.2U Active CN218299936U (en) | 2022-08-24 | 2022-08-24 | Battery module and battery pack |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218299936U (en) |
| WO (1) | WO2024040730A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206163656U (en) * | 2016-11-04 | 2017-05-10 | 天津市捷威动力工业有限公司 | Collection adds nice and warm cooling function's lithium ion battery package liquid cooling board |
| CN210110870U (en) * | 2019-06-10 | 2020-02-21 | 捷星新能源科技（苏州）有限公司 | Power battery assembly |
| CN110120482A (en) * | 2019-06-10 | 2019-08-13 | 捷星新能源科技（苏州）有限公司 | Power battery assembly |
| CN210489696U (en) * | 2019-10-29 | 2020-05-08 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN212907846U (en) * | 2020-07-02 | 2021-04-06 | 银隆新能源股份有限公司 | Liquid cooling plate and battery module with same |
| CN214672762U (en) * | 2021-05-06 | 2021-11-09 | 惠州市惠丰汽车空调有限公司 | Add hot type liquid cooling plate structure |
-
2022
- 2022-08-24 CN CN202222235515.2U patent/CN218299936U/en active Active
- 2022-10-24 WO PCT/CN2022/127010 patent/WO2024040730A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024040730A1 (en) | 2024-02-29 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |