CN220544017U - Battery module heat conduction structure, battery module and vehicle - Google Patents
Battery module heat conduction structure, battery module and vehicle Download PDFInfo
- Publication number
- CN220544017U CN220544017U CN202321972353.9U CN202321972353U CN220544017U CN 220544017 U CN220544017 U CN 220544017U CN 202321972353 U CN202321972353 U CN 202321972353U CN 220544017 U CN220544017 U CN 220544017U
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- plate
- battery module
- heat
- battery
- heat conduction
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- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000003466 welding Methods 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
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- Secondary Cells (AREA)
Abstract
The present utility model relates to the field of battery technologies, and in particular, to a battery module heat conduction structure, a battery module and a vehicle. A battery module heat conduction structure, comprising: the device comprises a liquid cooling plate, a heating plate, a module end plate and a heat conducting plate; the liquid cooling plates are positioned at the bottom of the frame, the two heating plates and the two module end plates are arranged on the liquid cooling plates, and the heating plates and the module end plates are alternately butted to form a frame body; every be provided with a plurality of logical grooves on the hot plate, and two sets of logical groove one-to-one on the hot plate, the heat-conducting plate sets up in the framework, be provided with the ventilation hole in the heat-conducting plate, the ventilation hole with two sets of logical groove alignment of hot plate is arranged. The utility model solves the problem that the service life of the battery module is influenced by too high or too low temperature of the battery module.
Description
Technical Field
The present utility model relates to the field of battery technologies, and in particular, to a battery module heat conduction structure, a battery module and a vehicle.
Background
The disclosure of this background section is only intended to increase the understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art already known to those of ordinary skill in the art.
The development of battery technology and the popularization of electric automobiles have more stringent safety requirements, and the requirements on battery modules are also higher, so that a battery system represented by a lithium ion battery is a key technology for the development of new energy.
However, the lithium ion battery has extremely high requirements on the use temperature, and needs a proper charge and discharge temperature range, and the performance and the service life of the lithium ion battery can be greatly influenced when the lithium ion battery works outside the temperature range. Therefore, the new energy device using lithium ions as the material not only needs to meet the proper heat dissipation requirement, but also needs to be provided with a heating device, so that the battery module can still work in a proper temperature range under extreme cold working conditions, the service life and the performance of the battery module are not influenced, and the use and popularization of the battery system in extremely cold areas are met. Therefore, how to quickly and effectively heat exchange, dissipate heat and heat a lithium battery in the use process of the lithium battery module in an actual environment is always a key problem of technical research of the lithium battery.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the utility model aims to provide a heat conduction structure of a battery module, so as to solve the problem that the service life of the battery module is influenced by too high or too low temperature of the battery module.
In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions:
a battery module heat conduction structure, comprising: the device comprises a liquid cooling plate, a heating plate, a module end plate and a heat conducting plate; the liquid cooling plates are positioned at the bottom of the frame, the two heating plates and the two module end plates are arranged on the liquid cooling plates, and the heating plates and the module end plates are alternately butted to form a frame body; every be provided with a plurality of logical grooves on the hot plate, and two sets of logical groove one-to-one on the hot plate, the heat-conducting plate sets up in the framework, be provided with the ventilation hole in the heat-conducting plate, the ventilation hole with two sets of logical groove alignment of hot plate is arranged.
Preferably, the heat conducting plate and the heating plate enclose a containing space for installing the battery cell, or the heat conducting plate, the heating plate and the module end plate enclose a containing space for installing the battery cell.
Preferably, the heat conducting plate is arranged along the length direction of the liquid cooling plate, and the through grooves on the heat conducting plate are arranged along the direction perpendicular to the liquid cooling plate.
Preferably, the device further comprises a binding belt, wherein the binding belt is sleeved on the outer wall of the frame body.
Preferably, the tie is a stainless steel tie.
Preferably, the heating plate is a PTC plate.
Preferably, the heat conductive plate is a graphite plate.
Preferably, the liquid cooling plate comprises a plate body, a cooling channel is arranged in the plate body, a water inlet pipe and a water outlet pipe are arranged outside the plate body, and the water inlet pipe and the water outlet pipe are communicated with the cooling channel.
The embodiment of the utility model also provides a battery module, which comprises the battery core and the battery module heat conduction structure, wherein the battery core is arranged in the battery module heat conduction structure.
The embodiment of the utility model also provides a vehicle comprising the battery module.
One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:
the battery module heat conduction structure has the functions of heating and radiating simultaneously, the heating of the battery cells is realized through the cooperation of the heat conducting plate and the heating plate, the heat dissipation of the battery cells is realized through the cooperation of the heat conducting plate, the liquid cooling plate and the heating plate (through groove), the heat dissipation is carried out from the side surface and the bottom through the inside, the heat dissipation interval is large, and meanwhile, the heat conducting plate is arranged between every two adjacent battery cells, so that the consistency of the temperature of the battery cells in the module is ensured while the heating and the heat dissipation are carried out, and the working efficiency of the battery module is ensured.
Additional aspects of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a view showing the external shape of a heat conduction structure of a battery module according to an embodiment of the present utility model;
fig. 2 is an exploded view of a heat conduction structure of a battery module according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the cooperation of a heat conducting plate, a liquid cooling plate and a heating plate according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a heat conducting plate according to an embodiment of the present utility model;
in the figure: 1. a liquid cooling plate; 2. a heating plate; 21. a through groove; 3. a tie; 4. a battery cell; 5. a module end plate; 6. a heat conductive plate; 61. a vent hole;
the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the utility model clearly indicates otherwise, and it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The terms "mounted," "connected," "secured," and the like in the present utility model are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or constructed as a single piece; the terms "mechanically coupled" and "directly coupled" may be used interchangeably to refer to either a mechanical coupling, an indirect coupling via an intermediary, an internal coupling of two elements, or an interaction of two elements, as would be understood by one of ordinary skill in the art, and the terms are to be understood in the specific sense of the present utility model as appropriate. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, "multiple" or "multiple" means two or more. For convenience of description, the words "upper", "lower", "left", "right", "front", "rear" and "front", "rear" are merely used in accordance with the upper, lower, left, right, front, rear, and/or rear directions of the drawings, and are not to be construed as limiting the utility model, but merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation.
PTC (abbreviation of Positive Temperature Coefficient), which is a positive temperature coefficient thermistor in turn, is a temperature sensitive semiconductor device in which when the temperature exceeds a certain value, the resistance increases with the increase of the temperature itself. In the heating system, the heating element is used.
In the use process of users, the heat exchange effect of the lithium battery module is always a topic of interest to the clients. The heat generated in the charging and discharging process of the battery core cannot be timely transmitted due to the fact that the heat of the lithium battery module is not in place, so that the normal operation of the battery is influenced, and even the service life of the lithium battery is influenced. When the lithium ion battery is in a low-temperature environment, the battery pack is required to be heated up rapidly, and the working temperature requirement of the lithium ion battery is met. The utility model provides a battery module heat conduction structure.
As shown in fig. 1 to 4, in one embodiment of the present utility model, a heat conduction structure of a battery module is provided, including: the liquid cooling plate 1, the heating plate 2, the module end plate 5 and the heat conducting plate 6; the liquid cooling plate 1 is positioned at the bottom of the frame, two heating plates 2 and two module end plates 5 are arranged on the liquid cooling plate 1, and the heating plates 2 and the module end plates 5 are alternately butted to form a frame body; every be provided with a plurality of logical grooves 21 on the hot plate 2, and two sets of logical groove 21 one-to-one on the hot plate 2, heat conduction board 6 sets up in the framework is provided with ventilation hole 61 in the heat conduction board 6, ventilation hole 61 and two sets of logical groove 21 of hot plate 2 align to arrange.
The heat conducting plate 6 is arranged along the length direction of the liquid cooling plate 1, and the through grooves 21 on the heat conducting plate 6 are arranged along the direction perpendicular to the liquid cooling plate 1. The heat conducting plate 6 and the heating plate 2 enclose a containing space for installing the battery cell 4, or the heat conducting plate 6, the heating plate 2 and the module end plate 5 enclose a containing space for installing the battery cell 4.
The heating plate 2 is a PTC plate, one end of the battery module is provided with a binding post, the PTC heating plate 2 is connected to the binding post, and the heating plate 2 is powered by connecting a power supply through the binding post. The heat conducting plate 6 is a high-efficiency heat conducting plate 6, and is made of a heat conducting graphite sheet, so that heat released in the process of quick charge/quick discharge of the battery is quickly transferred to the liquid cooling plate 1, and quick cooling of the battery core 4 is realized.
Under a high-temperature environment, when the battery cell 4 in the battery module needs to dissipate heat, cooling liquid can be introduced into the liquid cooling plate 1, so that the cooling liquid circulates in the flow channel of the liquid cooling plate 1, the battery cell 4 conducts heat to the liquid cooling plate 1 through the heat conducting plate 6, and the liquid cooling plate 1 takes away the heat through the circulation of the cooling liquid in the flow channel; on the other hand, the heat of the battery cell 4 is radiated by air cooling through the matching of the vent hole 61 in the heat conducting plate 6 and the through groove 21 of the heating plate 2, and the radiating effect is achieved by air cooling and liquid cooling.
Under low temperature environment, battery module can't normally start, therefore need have the heat source to carry out even heating for battery module, just can start hot plate 2 this moment, hot plate 2 heats electric core 4 through heat-conducting plate 6, just can normally start when electric core 4 is heated the whole battery module after.
The battery module heat conduction structure disclosed by the utility model realizes the heating of the battery cells 4 through the cooperation of the heat conducting plate 6 and the heating plate 2, realizes the heat dissipation of the battery cells 4 through the cooperation of the heat conducting plate 6, the liquid cooling plate 1 and the heating plate 2 (through grooves 21), and also realizes the heat dissipation from the side surface and the bottom through the inside, so that the heat dissipation interval is large, and meanwhile, the heat conducting plate 6 is arranged between each two adjacent battery cells 4, so that the temperature consistency of the battery cells 4 in the module is ensured while the battery module is heated and dissipated, and the working efficiency of the battery module is ensured.
As shown in fig. 1 and 2, the heat conduction structure of the battery module further comprises a binding belt 3, and the binding belt 3 is sleeved on the outer wall of the frame body. Namely, the binding belt 3 is wound on the outer sides of the heating plate 2 and the module end plate 5 to tightly bind the frame body formed by the heating plate 2 and the module end plate 5, so that good heat transfer performance between the battery cell 4 and the heat conducting plate 6 and between the battery cell and the heating plate 2 is ensured. And the welding of the side plates is canceled, and the material cost is saved by adopting the fastening mode of the binding belt 3. It can be understood that the binding belt 3 can be a stainless steel binding belt 3, the good fastening performance ensures the safety of the bound objects, and the stainless steel binding belt 3 has good corrosion resistance and high temperature resistance, thereby ensuring the beautiful appearance of the environment and the fireproof requirement.
The liquid cooling plate 1 comprises a plate body, wherein the plate body is formed by enclosing a bottom plate, a top plate and side plates, a cooling channel is arranged in the plate body, a water inlet pipe and a water outlet pipe are arranged outside the plate body, and the water inlet pipe and the water outlet pipe are communicated with the cooling channel. In the working state, the cooling channel is filled with cooling medium, and heat dissipation is realized through circulation of the cooling medium in the cooling channel.
Based on the above battery module heat conduction structure, the embodiment of the utility model further provides a battery module and a vehicle, wherein the battery core 4 is installed in the battery module heat conduction structure, and the battery module heat conduction structure according to the above embodiment is arranged in the battery module and the vehicle.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. A battery module heat conduction structure, comprising: the device comprises a liquid cooling plate, a heating plate, a module end plate and a heat conducting plate;
the liquid cooling plates are positioned at the bottom of the frame, the two heating plates and the two module end plates are arranged on the liquid cooling plates, and the heating plates and the module end plates are alternately butted to form a frame body;
every be provided with a plurality of logical grooves on the hot plate, and two sets of logical groove one-to-one on the hot plate, the heat-conducting plate sets up in the framework, be provided with the ventilation hole in the heat-conducting plate, the ventilation hole with two sets of logical groove alignment of hot plate is arranged.
2. The heat conduction structure of the battery module according to claim 1, wherein the heat conduction plate and the heating plate enclose a receiving space for mounting the battery cells, or the heat conduction plate, the heating plate and the module end plate enclose a receiving space for mounting the battery cells.
3. The battery module heat transfer structure according to claim 1, wherein the heat conductive plate is disposed along a length direction of the liquid cooling plate, and the through grooves on the heat conductive plate are disposed along a direction perpendicular to the liquid cooling plate.
4. The battery module thermal conduction structure of claim 1, further comprising a tie that is sleeved on the frame outer wall.
5. The battery module heat transfer structure of claim 4, wherein the tie is a stainless steel tie.
6. The battery module heat conduction structure of claim 1, wherein the heating plate is a PTC plate.
7. The battery module heat conduction structure of claim 1, wherein the heat conduction plate is a graphite plate.
8. The battery module heat conduction structure according to claim 1, wherein the liquid cooling plate comprises a plate body, a cooling channel is provided in the plate body, a water inlet pipe and a water outlet pipe are provided outside the plate body, and the water inlet pipe and the water outlet pipe are communicated with the cooling channel.
9. A battery module comprising a battery cell and the battery module heat transfer structure of any one of claims 1-8, the battery cell being mounted within the battery module heat transfer structure.
10. A vehicle comprising the battery module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321972353.9U CN220544017U (en) | 2023-07-24 | 2023-07-24 | Battery module heat conduction structure, battery module and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321972353.9U CN220544017U (en) | 2023-07-24 | 2023-07-24 | Battery module heat conduction structure, battery module and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544017U true CN220544017U (en) | 2024-02-27 |
Family
ID=89974686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321972353.9U Active CN220544017U (en) | 2023-07-24 | 2023-07-24 | Battery module heat conduction structure, battery module and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544017U (en) |
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2023
- 2023-07-24 CN CN202321972353.9U patent/CN220544017U/en active Active
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