CN217405535U - Battery module of integrated liquid cooling device - Google Patents
Battery module of integrated liquid cooling device Download PDFInfo
- Publication number
- CN217405535U CN217405535U CN202220289810.3U CN202220289810U CN217405535U CN 217405535 U CN217405535 U CN 217405535U CN 202220289810 U CN202220289810 U CN 202220289810U CN 217405535 U CN217405535 U CN 217405535U
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- liquid cooling
- plate
- battery module
- cooling device
- electric core
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- 238000001816 cooling Methods 0.000 title claims abstract description 136
- 239000007788 liquid Substances 0.000 title claims abstract description 136
- 210000004027 cell Anatomy 0.000 claims description 4
- 210000005056 cell body Anatomy 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 8
- 238000010079 rubber tapping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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 relates to a battery module technical field discloses a battery module of integrated liquid cooling device, include: the battery core assembly comprises a plurality of battery core bodies; the liquid cooling assembly is positioned at one side of the electric core assembly and comprises a supporting piece, a liquid cooling plate and a flat plate which are sequentially overlapped and connected, and the flat plate is positioned between the electric core assembly and the liquid cooling plate; and the two end plates are respectively positioned at two ends of the electric core assembly and are respectively fixedly connected with two ends of the liquid cooling assembly. The utility model discloses a both sides of the liquid cooling board of integrated liquid cooling device's battery module are equipped with support piece and flat board respectively, and the flat board of addding has reduced the liquid cooling board and has received the extrusion and take place the probability of warping, because the both ends of liquid cooling subassembly respectively with two end plate fixed connection that are located the both ends of electric core subassembly for relative static between liquid cooling subassembly and the electric core subassembly has further reduced the possibility that the liquid cooling board warp, has prolonged the life of liquid cooling board.
Description
Technical Field
The utility model relates to a battery module technical field especially relates to a battery module of integrated liquid cooling device.
Background
Most adoption integrated form liquid cooling box of current battery module, electric core subassembly snap-on integrated form liquid cooling box, fill the heat conduction glue between the liquid cooling board of electric core subassembly and integrated form liquid cooling box, receive processing technology's restriction, the roughness on the surface of current liquid cooling board is difficult to satisfy the design demand in the technology, causes the liquid cooling board to bear the weight of whole battery module for the liquid cooling board receives the extrusion of electric core subassembly and produces the deformation, has shortened the life of liquid cooling board.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a battery module of integrated liquid cooling device has reduced the liquid cooling board and has received the extrusion and produce the possibility of warping, has prolonged the life of liquid cooling board.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a battery module of integrated liquid cooling device includes: the battery core assembly comprises a plurality of battery core bodies; the liquid cooling assembly is positioned on one side of the electric core assembly and comprises a supporting piece, a liquid cooling plate and a flat plate which are sequentially overlapped and connected, and the flat plate is positioned between the electric core assembly and the liquid cooling plate; and the two end plates are respectively positioned at two ends of the electric core assembly, and are respectively fixedly connected with two ends of the liquid cooling assembly.
As an integrated liquid cooling device's battery module's preferred scheme, dull and stereotyped both ends all are equipped with the connection piece, every the connection piece all with one end plate fixed connection.
As an integrated liquid cooling device's battery module's preferred scheme, every the end plate all includes end plate body and connection boss, every the end plate body all with one of electric core subassembly tip the laminating of electric core body, the connection boss is located the end plate body deviates from the one end of electric core subassembly, every the connection boss all with one connection piece fixed connection.
As an integrated liquid cooling device's battery module's preferred scheme, be equipped with the connecting hole on the connection piece, be equipped with the spread groove on the connection boss, the fastener runs through the connecting hole with the spread groove.
As an integrated liquid cooling device's battery module's preferred scheme, support piece is the backup pad, the liquid cooling board can with one side that support piece contacted is equipped with the runner boss, support piece can with one side that the liquid cooling board contacted be equipped with the groove of dodging that the runner boss corresponds.
As an integrated liquid cooling device's battery module's preferred scheme, dull and stereotyped both ends all are equipped with first connecting strip, first connecting strip with the end plate is connected.
As an integrated liquid cooling device's battery module's preferred scheme, the liquid cooling board with dull and stereotyped welded connection, support piece just to the liquid cooling board with dull and stereotyped welded region with the contact of liquid cooling board is in order to support the electricity core subassembly.
As an integrated liquid cooling device's battery module's preferred scheme, support piece is braced frame, support piece week is located the edge of liquid cooling board side.
As an integrated liquid cooling device's battery module's preferred scheme, support piece's relative both sides all are equipped with the second connecting strip, the second connecting strip with the end plate is connected.
As a preferred scheme of the battery module of the integrated liquid cooling device, the liquid cooling assembly is positioned at the bottom of the electric core assembly.
As an optimal scheme of the battery module integrated with the liquid cooling device, a heat-conducting structural adhesive layer is filled between the electric core assembly and the liquid cooling assembly.
The utility model has the advantages that: the utility model discloses a both sides of the liquid cooling board of integrated liquid cooling device's battery module are equipped with support piece and flat board respectively, the flat board that is located between electric core subassembly and the liquid cooling board has reduced the area of contact of electric core subassembly and liquid cooling board, support piece is in the outside of liquid cooling board and plays the supporting role to the electric core subassembly, the probability that liquid cooling board receives the extrusion and takes place to warp has been reduced, because dull and stereotyped both ends respectively with two end plate fixed connection, and two end plates are located the both ends of electric core subassembly again respectively, make relative static between liquid cooling subassembly and the electric core subassembly, the possibility that the liquid cooling board warp has further been reduced, the life of liquid cooling board has been prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is an exploded view of a battery module of an integrated liquid cooling device according to an embodiment of the present invention;
fig. 2 is a side view of a battery module of an integrated liquid cooling device according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
fig. 5 is an exploded view of a battery module of an integrated liquid cooling device according to a second embodiment of the present invention;
fig. 6 is a side view of a battery module of an integrated liquid cooling device according to a second embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 5 at C;
fig. 8 is a partial enlarged view of fig. 6 at D.
In the figure:
1. an electrical core assembly; 11. a cell body;
2. a support member; 20. an avoidance groove; 21. a second connecting strip;
3. a liquid-cooled plate; 31. a runner boss;
4. a flat plate; 41. connecting sheets; 410. connecting holes; 42. a first connecting bar;
5. an end plate; 51. an end plate body; 52. connecting the bosses; 520. and connecting the grooves.
Detailed Description
In order to make the technical problems, the adopted technical solutions and the achieved technical effects of the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, 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 for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Example one
The embodiment provides a battery module of integrated liquid cooling device, as shown in fig. 1 to 4, including electric core subassembly 1, liquid cooling subassembly and two end plates 5, electric core subassembly 1 includes a plurality of electric core body 11, the liquid cooling subassembly is located one side of electric core subassembly 1 and includes the support piece 2 that overlaps in proper order and establish and connect, liquid cooling board 3 and flat board 4, be equipped with the coolant liquid that is used for cooling electric core body 11 in the liquid cooling board 3, flat board 4 is located between electric core subassembly 1 and the liquid cooling board 3, two end plates 5 are located the both ends of electric core subassembly 1 respectively, and two end plates 5 respectively with the both ends fixed connection of liquid cooling subassembly.
Because the support member 2 is positioned at the outer side of the liquid cooling plate 3, the support member 2 can play a role in protecting the liquid cooling plate 3, thereby effectively solving the problem that the liquid cooling plate 3 is deformed due to rubbing, reducing the probability of sealing failure of the liquid cooling plate 3 and greatly reducing the cost spent in maintenance.
It should be noted that, the liquid cooling subassembly of this embodiment is located the bottom of electric core subassembly 1, it has heat conduction structure glue film (not shown in the figure) to fill between electric core subassembly 1 and the liquid cooling subassembly, heat conduction structure glue film is by heat conduction glue and the mixed glue film that has heat conductivility and intensity height that the solidification formed of structure glue, heat conduction structure glue film compares with current heat conduction glue film, heat conduction efficiency is higher, the difference in temperature between each electric core body 11 of electric core subassembly 1 has been reduced, the homogeneity of temperature between electric core body 11 has been increased, the life of the battery module of integrated liquid cooling device has been prolonged. In other embodiments, the liquid cooling assembly may also be located at the side or the top of the electric core assembly 1, and is specifically installed according to actual needs.
The integrated liquid cooling device's that this embodiment provided both sides of liquid cooling plate 3 of battery module are equipped with support piece 2 and flat board 4 respectively, flat board 4 that is located between electric core subassembly 1 and the liquid cooling plate 3 has reduced electric core subassembly 1 and liquid cooling plate 3's area of contact, support piece 2 is in the outside of liquid cooling plate 3 and plays the supporting role to electric core subassembly 1, the probability that liquid cooling plate 3 received the extrusion and take place to warp has been reduced, because flat board 4's both ends respectively with two end plate 5 fixed connection, and two end plate 5 are located electric core subassembly 1's both ends respectively again, make between liquid cooling subassembly and the electric core subassembly 1 relatively static, the possibility of liquid cooling plate 3 deformation has further been reduced, the life of liquid cooling plate 3 has been prolonged.
Specifically, the support member 2 and the liquid cooling plate 3 of the present embodiment may be connected by soldering, bolting, riveting, and heating tapping screws in a hot-melt manner or fixedly connected by other manners, and the liquid cooling plate 3 and the flat plate 4 may also be connected by soldering, bolting, riveting, and heating tapping screws in a hot-melt manner or fixedly connected by other manners, which is specifically selected according to actual needs.
As shown in fig. 1 and 4, the flat plate 4 of the present embodiment is provided with connecting pieces 41 at both ends, and each connecting piece 41 is fixedly connected to one end plate 5. Specifically, as shown in fig. 1, each end plate 5 includes an end plate body 51 and a connecting boss 52, each end plate body 51 is attached to one cell body 11 at the end of the cell assembly 1, the connecting boss 52 is located at one end of the end plate body 51 away from the cell assembly 1, and each connecting boss 52 is fixedly connected to one connecting piece 41. Further, as shown in fig. 1, the connecting piece 41 of the present embodiment is provided with a connecting hole 410, the connecting boss 52 is provided with a connecting groove 520, and the fastening member penetrates through the connecting hole 410 and the connecting groove 520. In other embodiments, the connecting plate 41 and the connecting boss 52 may also be soldered, bolted, riveted, thermally fused with a self-tapping screw or fixedly connected by other means, which is selected according to actual needs.
In order to increase the contact area between the liquid cooling plate 3 and the support member 2, as shown in fig. 1 and fig. 3, a runner boss 31 is disposed on one side of the liquid cooling plate 3, which can be in contact with the support member 2, an avoiding groove 20 corresponding to the runner boss 31 is disposed on one side of the support member 2, which can be in contact with the liquid cooling plate 3, the runner boss 31 is attached to the wall surface of the avoiding groove 20, and the contact area between the liquid cooling plate 3 and the support member 2 is increased. Specifically, the support member 2 of this embodiment is a support plate, the number of the support plates is two, and the two support plates are fixed on the liquid cooling plate 3. In other embodiments, the number of the supporting plates may also be one or more than two, which is determined according to actual needs.
The liquid cooling plate 3 and the dull and stereotyped 4 welded connection of this embodiment, support piece 2 just to liquid cooling plate 3 and dull and stereotyped 4 welded region and the contact of liquid cooling plate 3 to support electric core subassembly 1, liquid cooling plate 3 and dull and stereotyped 4, promoted integrated liquid cooling device's battery module's bulk strength, make support piece 2 have sufficient intensity to support electric core subassembly 1. In addition, when the support member 2 of this embodiment is located the lower part of liquid cooling plate 3, support member 2 protects in support member 2 the runner boss 31 cage of liquid cooling plate 3, and support member 2 has played the effect of protection liquid cooling plate 3, has reduced the probability that liquid cooling plate 3 takes place the damage by the external force impact.
It should be noted that, the supporting plate of this embodiment is made of high-strength material, for example, the supporting plate is made of high-strength steel plate, aluminum alloy plate, etc., and the supporting plate and the liquid cooling plate 3 are fixedly connected to each other, so that the supporting plate can play a role of supporting the electric core assembly 1, and the overall strength of the battery module of the integrated liquid cooling device can be increased, thereby reducing the probability of deformation of the liquid cooling plate 3, and prolonging the service life of the liquid cooling plate 3.
As shown in fig. 1 and 4, the flat plate 4 of the present embodiment is provided with first connecting bars 42 at both ends, and the first connecting bars 42 are connected to the end plates 5. The first connecting strip 42 and the end plate 5 may be soldered, bolted, riveted, thermally welded with self-tapping screws or fixedly connected in other ways, which is selected according to actual needs.
The battery module of the integrated liquid cooling device provided by the embodiment has the advantages of high strength, low possibility of deformation of the liquid cooling plates 3, low temperature difference between the battery cell bodies 11 and long service life.
Example two
As shown in fig. 5 to 8, the difference between the present embodiment and the first embodiment is that the two ends of the flat plate 4 of the present embodiment are not provided with the first connecting bar, the supporting member 2 is a supporting frame, and the supporting member 2 is circumferentially provided at the edge of the side surface of the liquid cooling plate 3. As shown in fig. 5, 7 and 8, the opposite sides of the supporting frame are provided with second connecting bars 21, and the second connecting bars 21 are connected with the end plate 5. The second connecting strip 21 and the end plate 5 may be soldered, bolted, riveted, thermally welded with self-tapping screws or fixedly connected in other ways, specifically according to actual requirements. The support frame of this embodiment includes two support sub-frames, and two support sub-frames form the support frame who distributes along liquid cooling plate 3 all around, and the shape of dodging the groove (not shown in the figure) on the support frame corresponds with runner boss 31 around liquid cooling plate 3 for runner boss 31 and the wall laminating of dodging the groove. In other embodiments, the number of the support subframes may also be one or more than two, which is determined according to actual needs. The stress points of the support frame of the embodiment are positioned at four corners of the electric core assembly 1, so that the overall strength of the battery module of the integrated liquid cooling device is increased.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (11)
1. The utility model provides a battery module of integrated liquid cooling device which characterized in that includes:
the battery core assembly (1) comprises a plurality of battery core bodies (11);
the liquid cooling assembly is positioned on one side of the electric core assembly (1) and comprises a supporting piece (2), a liquid cooling plate (3) and a flat plate (4) which are sequentially overlapped and connected, and the flat plate (4) is positioned between the electric core assembly (1) and the liquid cooling plate (3);
two end plates (5), two end plates (5) are located respectively the both ends of electric core subassembly (1), and two end plates (5) respectively with the both ends fixed connection of liquid cooling subassembly.
2. The battery module of an integrated liquid cooling device according to claim 1, wherein connecting pieces (41) are provided at both ends of the flat plate (4), and each connecting piece (41) is fixedly connected with one of the end plates (5).
3. The battery module of the integrated liquid cooling device according to claim 2, wherein each end plate (5) comprises an end plate body (51) and a connecting boss (52), each end plate body (51) is attached to one of the cell bodies (11) at the end of the cell assembly (1), the connecting boss (52) is located at one end of the end plate body (51) departing from the cell assembly (1), and each connecting boss (52) is fixedly connected to one of the connecting pieces (41).
4. The battery module of an integrated liquid cooling device as recited in claim 3, wherein the connecting plate (41) is provided with a connecting hole (410), the connecting boss (52) is provided with a connecting groove (520), and a fastening member extends through the connecting hole (410) and the connecting groove (520).
5. The battery module of an integrated liquid cooling device according to claim 1, wherein the support member (2) is a support plate, a runner boss (31) is provided on a side of the liquid cooling plate (3) that can contact the support member (2), and an avoidance groove (20) corresponding to the runner boss (31) is provided on a side of the support member (2) that can contact the liquid cooling plate (3).
6. The battery module of an integrated liquid cooling device according to claim 5, wherein the flat plate (4) is provided with a first connecting bar (42) at both ends, and the first connecting bar (42) is connected with the end plate (5).
7. The battery module of an integrated liquid cooling device according to claim 5, wherein the liquid cooling plate (3) and the flat plate (4) are welded, and the support (2) is in contact with the liquid cooling plate (3) at a region where the liquid cooling plate (3) and the flat plate (4) are welded, so as to support the electric core assembly (1).
8. The battery module of an integrated liquid cooling device as set forth in claim 1, wherein the support member (2) is a support frame, and the support member (2) is circumferentially disposed on the edge of the side surface of the liquid cooling plate (3).
9. The battery module of an integrated liquid cooling device as recited in claim 8, wherein the support member (2) is provided with second connecting strips (21) on opposite sides thereof, the second connecting strips (21) being connected to the end plate (5).
10. The battery module of an integrated liquid cooling device according to claim 1, wherein the liquid cooling assembly is located at the bottom of the electric core assembly (1).
11. The battery module of an integrated liquid cooling device according to claim 1, wherein a thermal conductive adhesive layer is filled between the electric core assembly (1) and the liquid cooling assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289810.3U CN217405535U (en) | 2022-02-14 | 2022-02-14 | Battery module of integrated liquid cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220289810.3U CN217405535U (en) | 2022-02-14 | 2022-02-14 | Battery module of integrated liquid cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405535U true CN217405535U (en) | 2022-09-09 |
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ID=83136893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220289810.3U Active CN217405535U (en) | 2022-02-14 | 2022-02-14 | Battery module of integrated liquid cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217405535U (en) |
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2022
- 2022-02-14 CN CN202220289810.3U patent/CN217405535U/en active Active
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