CN218919108U - Heat exchange assembly of battery pack and battery pack - Google Patents
Heat exchange assembly of battery pack and battery pack Download PDFInfo
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- CN218919108U CN218919108U CN202223592755.4U CN202223592755U CN218919108U CN 218919108 U CN218919108 U CN 218919108U CN 202223592755 U CN202223592755 U CN 202223592755U CN 218919108 U CN218919108 U CN 218919108U
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- heat exchange
- battery pack
- exchange plate
- groove
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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 heat exchange component of a battery pack and the battery pack, wherein the heat exchange component of the battery pack comprises a heat exchange plate component, a runner and a heating piece, the heat exchange plate component comprises a heat exchange plate and side plates arranged on two sides of the heat exchange plate in the width direction, and a containing groove capable of containing a battery cell group is formed between the heat exchange plate and the two side plates; the runner is arranged on the heat exchange plate and is communicated with circulating cooling liquid; the heating element is arranged on the heat exchange plate and is used for heating the battery cell. According to the heat exchange component of the battery pack, the accommodating groove for accommodating the battery cell group is formed in the heat exchange plate, and the flow passage and the heating piece are arranged on the heat exchange plate, so that the heat exchange plate component can be used as a structural member for fixing the battery cell, and the function of heating or cooling the battery cell can be realized, and the integration level of parts in the battery pack can be improved.
Description
Technical Field
The utility model relates to the technical field of battery pack parts, in particular to a heat exchange assembly of a battery pack. Meanwhile, the utility model also relates to a battery pack provided with the heat exchange component of the battery pack.
Background
In the working process of the electric automobile, a power battery is needed to provide kinetic energy for the automobile, the power battery needs to be heated in a low-temperature environment, and the power battery needs to be cooled in a high-temperature environment. The heating scheme generally adopts a heating film/heating sheet to heat, and the heating film or the heating sheet is contacted with the battery cell through double faced adhesive tape or a heat conducting pad to realize heat transfer. The cooling scheme generally adopts liquid cooling or direct cooling, the cooling liquid is cooled by an air conditioning system, and the cooling liquid is driven by a water pump to circulate and take away the heat of the battery.
However, the installation structure of the heat exchange assembly, i.e. the heating module or the cooling module, in the battery pack is complex, and the heating module and the cooling module are often arranged independently, so that the integrated arrangement of the internal parts of the battery pack is not facilitated, and more space in the battery pack is occupied, so that the improvement of the space utilization rate in the battery pack is not facilitated.
Disclosure of Invention
In view of the foregoing, the present utility model is directed to a heat exchange assembly of a battery pack, so as to facilitate improving the integration level of components in the battery pack.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a heat exchange assembly for a battery pack, comprising:
the heat exchange plate assembly comprises a heat exchange plate and side plates arranged on two sides of the heat exchange plate in the width direction, and a containing groove capable of containing the battery cell group is formed between the heat exchange plate and the two side plates;
the runner is arranged on the heat exchange plate and is communicated with circulating cooling liquid;
the heating piece is arranged on the heat exchange plate and is used for heating the battery cell.
Further, the flow channel is arranged inside the heat exchange plate.
Further, the runner is provided with a liquid inlet and a liquid outlet which are arranged on the heat exchange plate, and the liquid inlet and the liquid outlet are respectively connected with external cooling liquid circulation equipment through pipeline connectors.
Further, the heating element is a heating wire; and a groove is formed in one side of the heat exchange plate, which faces the accommodating groove, and the heating wire is arranged in the groove.
Further, the groove is in an inverted omega shape, the width of the notch of the groove is smaller than the diameter of the inner wall of the groove, the inner wall of the groove is tightly attached to the heating wire, and the position of the notch of the groove is transited through a round corner.
Further, the heat exchange plate is coated with a heat conduction structure glue part, and the battery cell group is fixed in the accommodating groove through the heat conduction structure glue part.
Further, the heat conduction structure glue part comprises glue lines arranged on the heat exchange plate, and the tracks of the glue lines are arranged in a square wave extending mode in the length direction of the heat exchange plate.
Further, the heating wire is composed of at least one resistance wire coated with a heat conducting material.
Compared with the prior art, the utility model has the following advantages:
according to the heat exchange component of the battery pack, the accommodating groove for accommodating the battery cell group is formed in the heat exchange plate, and the flow passage and the heating piece are arranged on the heat exchange plate, so that the heat exchange plate component can be used as a structural member for fixing the battery cell, and the function of heating or cooling the battery cell can be realized, and the integration level of parts in the battery pack can be improved.
In addition, through being equipped with the recess in the one side of heat exchange plate towards the storage tank to in making the heater strip locate the recess, the surface parallel and level of being convenient for make the heat exchange plate towards storage tank one side, it is more reasonable to arrange, promotes electric core installation stability.
In addition, through making the heat conduction structure glue portion including setting up the gluey line on the heat exchange plate, and in the length direction of heat exchange plate, the orbit of gluing the line is square wave shape extension and arranges, is convenient for realize the reasonable arrangement of heat conduction structure glue, does benefit to the bonding between each electric core and the heat exchange plate in the electric core group.
Another object of the present utility model is to provide a battery pack comprising a fixed beam constituted by the heat exchange assemblies of the battery pack as described above and a battery cell group interposed between the two heat exchange assemblies.
Further, the electric core group is provided with at least two groups, and two adjacent electric core groups can share one heat exchange component.
According to the battery pack, the heat exchange assembly of the battery pack is arranged, so that the integration level of parts in the battery pack can be improved, and the improvement of the space utilization rate in the battery pack is facilitated.
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. In the drawings:
fig. 1 is a schematic view of an installation structure of a battery cell group and a heat exchange plate assembly according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a component of a cell stack and heat exchanger plate assembly according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic diagram of an extending track of a glue line on a heat exchange plate according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a cell group; 2. a heat exchange plate; 3. a side plate; 4. a heating wire; 5. a flow passage; 6. a glue line; 7. a groove.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be 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 utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
The embodiment relates to a heat exchange component of a battery pack, which integrally comprises a heat exchange plate component, a runner 5 and a heating piece. The heat exchange plate assembly comprises a heat exchange plate 2 and side plates 3 arranged on two sides of the heat exchange plate 2 in the width direction, and a containing groove capable of containing the battery cell group 1 is formed between the heat exchange plate 2 and the two side plates 3. The runner 5 is arranged on the heat exchange plate 2 and is communicated with circulating cooling liquid. The heating element is arranged on the heat exchange plate 2 and is used for heating the battery cell. Therefore, the heat exchange plate assembly can be conveniently used as a structural member to fix the battery cell, and the battery cell can be cooled or heated, so that the integration level of parts in the battery pack is improved.
Based on the above overall description, as a preferred embodiment, as shown in fig. 1 to 3, in this embodiment, the flow channel 5 is provided inside the heat exchange plate 2. And the runner 5 is provided with a liquid inlet and a liquid outlet which are arranged on the heat exchange plate 2 and are respectively connected with external cooling liquid circulation equipment through pipeline joints. It should be noted that, the pipe joint of the present embodiment may be set with reference to the structure of the pipe joint commonly used in the prior art, and will not be described herein.
In particular, the flow channels 5 may have various arrangements, as shown in fig. 2, and the flow channels 5 may be linear and penetrate through the heat exchange plate 2 along the length direction of the heat exchange plate 2, where the liquid inlet and the liquid outlet are respectively disposed at two ends of the heat exchange plate 2 along the length direction. In addition, if the flow channel 5 is arranged on the heat exchange plate 2 in a U shape, the liquid inlet and the liquid outlet are arranged at the same end of the heat exchange plate 2 in the length direction.
As shown in fig. 2 and 3, the flow channel 5 and the heating element may be disposed on the heat exchange plate 2 or the side plate 3, so that heat exchange can be performed between the side plate 3 and the side surface of the cell unit 1, thereby further improving the heat exchange effect of the heat exchange assembly of the battery pack
In addition, the heating element in the present embodiment may be a heating wire 4, which is simple in structure and convenient to arrange. In specific implementation, a groove 7 can be formed in one side of the heat exchange plate 2 facing the accommodating groove, and the heating wire 4 is arranged in the groove 7. Therefore, the heat exchange plate 2 can be flush with the surface facing one side of the accommodating groove, the arrangement is more reasonable, and the mounting stability of the battery cell is improved. In addition, the material of the heating wire 4 in the embodiment may be copper-nickel alloy, and the heating wire 4 may be formed by coating a single resistance wire with a heat conducting material, or may be formed by coating two or more resistance wires with a heat conducting material. The outer surface of the heating wire 4 can be made of silica gel material, and has better heat conduction performance while being high temperature resistant.
Preferably, in this embodiment, the groove 7 is in an inverted omega shape, the width of the notch of the groove 7 is smaller than the diameter of the inner wall of the groove 7, the inner wall of the groove 7 is tightly attached to the heating wire 4, and the notch position of the groove 7 is transited by a rounded corner. So, be convenient for realize the stable installation of heater strip 4 in recess 7, prevent that heater strip 4 from deviating from in the recess 7.
As a preferred embodiment, in this embodiment, the heat exchange plate 2 is coated with a heat-conducting structural adhesive portion, and the battery cell group 1 is fixed in the accommodating groove through the heat-conducting structural adhesive portion. Through being provided with heat conduction structure and gluing, be convenient for realize the fixed of electric core, also do benefit to the heat transfer between electric core group 1 and the heat exchanger plate 2.
In specific implementation, as shown in fig. 4, the heat-conducting structure glue part comprises glue lines 6 arranged on the heat exchange plate 2, and in the length direction of the heat exchange plate 2, the tracks of the glue lines 6 are arranged in a square-wave extending manner, so that the reasonable arrangement of the heat-conducting structure glue is convenient to realize, and the bonding between each electric core in the electric core group 1 and the heat exchange plate 2 is facilitated.
In addition, the heat exchange plate assembly in the embodiment can preferably adopt an extruded aluminum structure, is convenient to obtain and is low in cost.
The heat exchange plate assembly of the battery pack of the embodiment is provided with the accommodating groove for accommodating the battery cell group 1 on the heat exchange plate 2, and the heat exchange plate 2 is provided with the flow channel 5 and the heating piece, so that the heat exchange plate assembly can be used as a structural component for fixing the battery cell, and the function of heating or cooling the battery cell can be realized, thereby being beneficial to improving the integration level of parts in the battery pack.
Example two
The present embodiment relates to a battery pack, and the battery pack includes a fixed beam formed by the heat exchange components of the battery pack in the first embodiment and a battery cell group 1, where the battery cell group 1 is sandwiched between the two heat exchange components. The fixing beam can be a structure commonly used in the prior art for fixing the battery cell group 1, and only the fixing beam is formed by a heat exchange component, so that the heat exchange between the battery cell group 1 and the battery cell group 1 can be realized while the battery cell group 1 is fixed.
In addition, the electric core group 1 is provided with at least two groups, and two adjacent electric core groups 1 can share one heat exchange component. In the implementation, as shown in fig. 1 and fig. 2, when the battery cell group 1 is arranged in two layers up and down, the middle heat exchange plate assembly can be arranged in an i shape, and a containing groove is formed on the upper and lower sides of the middle heat exchange plate assembly. Therefore, the upper side and the lower side of the battery cell group 1 can share one heat exchange plate assembly, and the integration level of parts in the battery pack is further improved.
The battery pack of this embodiment through being provided with the heat transfer subassembly of battery pack as described above, can promote the integrated level of the part in the battery pack, is favorable to the promotion of the space utilization of battery pack inside.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A heat exchange assembly for a battery pack, comprising:
the heat exchange plate assembly comprises a heat exchange plate and side plates arranged on two sides of the heat exchange plate in the width direction, and a containing groove capable of containing the battery cell group is formed between the heat exchange plate and the two side plates;
the runner is arranged on the heat exchange plate and is communicated with circulating cooling liquid;
the heating piece is arranged on the heat exchange plate and is used for heating the battery cell.
2. The heat exchange assembly of a battery pack of claim 1, wherein:
the runner is arranged inside the heat exchange plate.
3. The heat exchange assembly of a battery pack of claim 2, wherein:
the runner is provided with a liquid inlet and a liquid outlet which are arranged on the heat exchange plate, and the liquid inlet and the liquid outlet are respectively connected with external cooling liquid circulation equipment through pipeline joints.
4. The heat exchange assembly of a battery pack of claim 1, wherein:
the heating element is a heating wire; and a groove is formed in one side of the heat exchange plate, which faces the accommodating groove, and the heating wire is arranged in the groove.
5. The heat exchange assembly of a battery pack of claim 4, wherein:
the groove is in an inverted omega shape, the groove width of the groove opening of the groove is smaller than the diameter of the inner wall of the groove, the inner wall of the groove is tightly attached to the heating wire, and the groove opening of the groove is in transition through a round angle.
6. The heat exchange assembly of a battery pack of claim 1, wherein:
the heat exchange plate is coated with a heat conduction structure glue part, and the battery cell group is fixed in the accommodating groove through the heat conduction structure glue part.
7. The heat exchange assembly of a battery pack of claim 6, wherein:
the heat conduction structure glue portion comprises glue lines arranged on the heat exchange plate, and the tracks of the glue lines are arranged in a square wave extending mode in the length direction of the heat exchange plate.
8. The heat exchange assembly of a battery pack of claim 4 or 5, wherein:
the heating wire is composed of at least one resistance wire coated with a heat conducting material.
9. A battery pack, characterized in that:
a fixed beam comprising a heat exchange assembly of a battery pack according to any one of claims 1 to 8 and a cell stack, said cell stack being sandwiched between two of said heat exchange assemblies.
10. The battery pack according to claim 9, wherein:
the battery cell groups are at least provided with two groups, and two adjacent battery cell groups can share one heat exchange assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223592755.4U CN218919108U (en) | 2022-12-30 | 2022-12-30 | Heat exchange assembly of battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223592755.4U CN218919108U (en) | 2022-12-30 | 2022-12-30 | Heat exchange assembly of battery pack and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218919108U true CN218919108U (en) | 2023-04-25 |
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ID=86039369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223592755.4U Active CN218919108U (en) | 2022-12-30 | 2022-12-30 | Heat exchange assembly of battery pack and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218919108U (en) |
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2022
- 2022-12-30 CN CN202223592755.4U patent/CN218919108U/en active Active
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