CN220272648U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN220272648U CN220272648U CN202321747512.5U CN202321747512U CN220272648U CN 220272648 U CN220272648 U CN 220272648U CN 202321747512 U CN202321747512 U CN 202321747512U CN 220272648 U CN220272648 U CN 220272648U
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- China
- Prior art keywords
- temperature
- battery
- battery pack
- shell
- plate
- 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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Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 230000001788 irregular Effects 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 5
- 230000004308 accommodation Effects 0.000 claims abstract description 3
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 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 utility model discloses a battery pack, comprising: the box body is provided with a containing cavity; a unit cell placed in the accommodation chamber, the unit cell including: the coil core, the shell and the top cover; the inside of the shell is provided with a storage cavity, and the winding core is accommodated in the storage cavity; the top cover is connected with the shell and covers the storage cavity; the shell is at least partially arranged into an irregular curved surface; the accommodating cavity is internally provided with a temperature regulating plate, the temperature regulating plate is embedded into the irregular curved surface and is in heat conduction connection with the shell, and the temperature regulating plate is used for heating the single battery or absorbing the temperature of the single battery. The battery pack can effectively improve heating or heat dissipation efficiency, reduce the temperature difference between the inside and outside of the single battery and prolong the service life of the battery.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery pack.
Background
In the related art, a power battery emits a large amount of heat when in use, and in general, the service life of a battery pack is affected by an excessively high battery temperature.
In the conventional heat dissipation method of a battery pack, a plurality of batteries and cooling plates are placed in a case of the battery pack, and the cooling plates are placed on the side surfaces or the bottom surfaces of the batteries. However, such a method has a problem of poor efficiency for heat dissipation or heating of the battery pack.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the battery pack, which can effectively improve the heating or heat dissipation efficiency, reduce the temperature difference between the inside and outside of the single battery and prolong the service life of the battery.
A battery pack according to an embodiment of the present utility model includes:
the box body is provided with a containing cavity;
a unit cell placed in the accommodation chamber, the unit cell including: the coil core, the shell and the top cover;
the inside of the shell is provided with a storage cavity, and the winding core is accommodated in the storage cavity;
the top cover is connected with the shell and covers the storage cavity,
the shell is at least partially arranged into an irregular curved surface;
the accommodating cavity is internally provided with a temperature regulating plate, the temperature regulating plate is embedded into the irregular curved surface and is in heat conduction connection with the shell, and the temperature regulating plate is used for heating the single battery or absorbing the temperature of the single battery.
The battery pack according to the embodiment of the utility model has at least the following beneficial effects: through embedding temperature regulation board in the irregular curved surface of battery cell, compare with the bottom surface or the side of prior art in temperature regulation board contact battery cell, the heat of the inside intermediate position of battery cell of this application can conduct for the temperature regulation board sooner. Alternatively, the heat of the temperature adjusting plate is more quickly transferred to the unit cells. Further, the temperature regulating plate can take away the heat at the middle part of the single battery or bring heat to the single battery, so that the temperature of the single battery becomes low or high, the heating or heat dissipation efficiency of the battery pack can be effectively improved, the temperature difference between the inside and the outside of the single battery is reduced, and the service life of the battery can be prolonged.
According to the battery pack of some embodiments of the present utility model, the temperature adjusting plate is provided in plurality, the plurality of unit cells are arranged in the width direction thereof to form a battery cell, the plurality of battery cells are provided in the length direction of the unit cells, and the temperature adjusting plate penetrates the entire battery cell in the arrangement direction of the unit cells.
According to the battery pack of some embodiments of the present utility model, the temperature adjusting plate is provided in plurality, the plurality of unit cells are arranged along the length direction thereof to form a battery unit, the plurality of battery units are provided along the width direction of the unit cells, and the temperature adjusting plate penetrates the whole battery unit along the arrangement direction of the unit cells.
According to some embodiments of the utility model, at least one of the temperature adjusting plates is disposed in the same battery unit.
According to some embodiments of the utility model, the temperature adjusting plate has a flow passage inside for flowing a liquid.
According to some embodiments of the utility model, the temperature adjusting plate has an outlet and an inlet, the outlet communicates with the inlet, and the outlet and the inlet are respectively located at two ends of the temperature adjusting plate, and the two ends of the temperature adjusting plate protrude from two end surfaces of the battery cell, respectively.
According to some embodiments of the utility model, the temperature adjusting plate is made of metal.
According to the battery pack of some embodiments of the present utility model, the groove is formed in the irregular curved surface, the groove includes a first opening and two second openings, the first opening and the two second openings are formed in the outer surface of the housing, the two second openings are located on two opposite sides of the housing, two ends of the first opening are respectively communicated with the two second openings, the first opening is formed in the bottom of the housing, two ends of the temperature adjusting plate are respectively connected to two side walls of the accommodating cavity, and the bottom of the temperature adjusting plate is abutted to the bottom wall of the accommodating cavity.
According to some embodiments of the utility model, the battery pack further comprises a heat-conducting structural adhesive, wherein one side of the heat-conducting structural adhesive is adhered to the wall surface of the irregular curved surface, and the other side of the heat-conducting structural adhesive is adhered to the outer surface of the temperature regulating plate.
According to some embodiments of the utility model, the battery pack further comprises a heat-conducting silica gel, one side of the heat-conducting silica gel is in contact with the wall surface of the irregular curved surface, and the other side of the heat-conducting silica gel is in contact with the outer surface of the temperature regulating plate.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic view of a battery pack according to a first embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic view of a battery pack according to a second embodiment of the present utility model;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic view of a battery pack according to a third embodiment of the present utility model;
FIG. 6 is an enlarged view at C in FIG. 5;
fig. 7 is a schematic view of a battery pack according to a fourth embodiment of the present utility model;
FIG. 8 is an enlarged view of FIG. 7 at D;
fig. 9 is a schematic view of a single cell in a battery pack according to some embodiments of the utility model.
Reference numerals:
the battery pack 10, the battery cell 100, the unit battery 200, the case 210, the groove 211, the first opening 212, the second opening 213, the temperature adjustment plate 300, the case 400, the upper case 410, the lower case 420, and the receiving chamber 430.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 and 2, in some embodiments, a battery pack 10 includes: the battery cell 200, the temperature adjusting plate 300, and the case 400. The case 400 has a receiving chamber 430, and the unit cells 200 are placed in the receiving chamber 430. The unit cell 200 includes: a winding core, a housing 210 and a top cover. The housing 210 has a storage cavity therein, in which the winding core is accommodated. The top cover is connected to the housing 210 and covers the storage chamber. The housing 210 is at least partially configured as an irregular curved surface, wherein the irregular curved surface may be a groove 211, the groove 211 includes a first opening and two second openings disposed on the outer surface of the housing 210, the two second openings are located on two opposite sides of the housing 210, and two ends of the first opening are respectively communicated with the two second openings. The temperature adjusting plate 300 is embedded in the irregular curved surface, that is, the groove 211, the temperature adjusting plate 300 is in heat conduction connection with the wall surface of the groove 211, and the temperature adjusting plate 300 is used for heating the unit battery 200 or absorbing the temperature of the unit battery 200.
Specifically, by inserting the temperature adjusting plate 300 into the recess 211 of the unit cell 200, compared with the prior art in which the temperature adjusting plate 300 contacts the bottom surface or the side surface of the unit cell 200, the heat of the middle position inside the unit cell 200 of the present application is more rapidly transferred to the temperature adjusting plate 300. In this way, the heat of the unit cell 200 is more quickly transferred to the temperature adjustment plate 300. Alternatively, the heat of the temperature adjustment plate 300 is more quickly transferred to the unit cells 200. Further, the temperature adjusting plate 300 can take away the heat in the middle of the unit cell 200 or bring heat to the unit cell 200, so that the temperature of the unit cell 200 becomes low or high, and thus, the battery pack 10 can effectively improve the heating or heat dissipation efficiency, and simultaneously reduce the temperature difference between the inside and the outside of the unit cell 200, and can prolong the service life of the unit cell 200.
Wherein in some embodiments the interior of the temperature adjustment plate 300 has flow channels for the flow of liquid. Specifically, a cooling medium or a heating medium may be added to the temperature adjusting plate 300, so that the battery pack 10 is cooled when the temperature of the battery pack 10 is high, and the battery pack 10 is heated when the temperature of the battery pack 10 is low. In this way, the unit cells 200 in the battery pack 10 are at a proper temperature, and have a long service life.
The structure of the temperature adjustment plate 300 will be described again. In some embodiments, the temperature adjustment plate 300 has an outlet and an inlet in communication, wherein both the outlet and the inlet are in communication with the flow channel. And the outlet and the inlet are respectively located at both ends of the temperature adjusting plate 300, and both ends of the temperature adjusting plate 300 protrude from both end surfaces of the battery cell 100, respectively. Specifically, after the inlet protrudes out of the end surface of the battery unit 100, the worker can communicate the inlets of the plurality of temperature adjusting plates 300 with the collecting pipe, and uniformly inject the liquid into the temperature adjusting plates 300. Therefore, the worker can introduce the cooling medium into the temperature adjustment plate 300 from the inlet, thereby radiating heat from the unit cells 200, and can discharge the cooling medium from the outlet after the heat absorption temperature of the cooling medium becomes high. In this way, the cooling medium is circulated to the temperature control plate 300, and the heat dissipation of the battery pack 10 is performed at all times. It is conceivable that the temperature control system may introduce the heating medium into the temperature adjustment plate 300 from the inlet when it is necessary to heat the unit cells 200, thereby heating the unit cells 200, and may discharge the heating medium from the outlet after the heat release temperature of the heating medium becomes low. In this way, the heating medium is circulated to the temperature control plate 300, and the battery pack 10 is heated at all times.
In some embodiments, the temperature adjustment plate 300 is formed by an extrusion process or a stamping process. Specifically, the extrusion process has the advantages of improving the deformability of the metal material, along with wide product range, large extrusion production flexibility, accurate product size and simple process flow. The stamping process has the advantages of high precision, low cost, high production efficiency and wide application range. In this manner, the temperature adjustment plate 300 can be manufactured in a large quantity through a stamping process or an extrusion process, thereby satisfying industrial production requirements.
Further, referring to fig. 9, the housing 210 of the battery cell 200 may be made of metal, such as aluminum. Wherein, the metal casing 210 can rapidly conduct the temperature to the temperature adjusting plate 300, thereby making the heat dissipation effect of the battery pack 10 better. Accordingly, in some embodiments, the temperature adjustment plate 300 may also be made of metal.
The unit cells 200 may be square-shaped, so that there are various arrangements of the square-shaped unit cells 200 and the temperature adjusting plate 300 when they are placed in the case 400, as will be described below. Referring to fig. 1 and 3, in some embodiments, a plurality of unit cells 200 are arranged as a battery unit 100 along a width direction thereof, and the battery unit 100 has a plurality along a length direction of the unit cells 200. Since the battery cells 100 have a plurality of battery cells 100, temperature adjustment is required for the plurality of battery cells 100. Accordingly, the temperature adjustment plates 300 have a plurality of temperature adjustment plates 300 penetrating the entire battery cell 100 in the arrangement direction of the unit batteries 200, and each temperature adjustment plate 300 is connected to all the unit batteries 200 of the same battery cell 100. Specifically, since the individual unit cells 200 are manufactured in the same specification, the grooves 211 of the individual unit cells 200 are aligned at the middle position of the battery cell 100 after the plurality of unit cells 200 form the battery cell 100. One temperature adjustment plate 300 is inserted into one row of grooves 211, and a plurality of temperature adjustment plates 300 are inserted into a plurality of rows of grooves 211. So that the temperature adjustment plate 300 performs temperature management of the unit cells 200 of the battery cell 100. Such as heating or radiating the battery cell 200, so that the battery cell 200 has a long service life.
Further, referring to fig. 5 and 7, in some embodiments, a plurality of unit cells 200 are arranged along the length direction thereof as a battery unit 100, and the battery unit 100 has a plurality along the width direction of the unit cells 200. Since the battery cells 100 have a plurality of battery cells 100, temperature adjustment is required for the plurality of battery cells 100. Accordingly, the temperature adjustment plates 300 have a plurality of temperature adjustment plates 300 penetrating the entire battery cell 100 in the arrangement direction of the unit batteries 200, and each temperature adjustment plate 300 is connected to all the unit batteries 200 of the same battery cell 100. Specifically, since the individual unit cells 200 are manufactured in the same specification, the grooves 211 of the individual unit cells 200 are aligned at the middle position of the battery cell 100 after the plurality of unit cells 200 form the battery cell 100. One temperature adjustment plate 300 is inserted into one row of grooves 211, and a plurality of temperature adjustment plates 300 are inserted into a plurality of rows of grooves 211. So that the temperature adjustment plate 300 performs temperature management of the unit cells 200 of the battery cell 100. Such as heating or radiating the battery cell 200, so that the battery cell 200 has a long service life.
In some embodiments, at least one temperature adjustment plate 300 is provided within the same battery cell 100. Specifically, a plurality of grooves 211 may be provided on the unit cells 200, and then after the plurality of unit cells 200 are arranged to form the battery unit 100, the battery unit 100 is also provided with a plurality of rows of grooves 211. Accordingly, the temperature adjusting plates 300 are also provided in plurality, and each temperature adjusting plate 300 is inserted into one of the grooves 211. In this manner, the plurality of temperature adjustment plates 300 perform temperature management on the unit cells 200 of the battery unit 100. Such as heating or radiating the battery cell 200, so that the battery cell 200 has a long service life.
In some embodiments, the battery pack 10 further includes a heat conductive structural adhesive, one side of which is adhered to the wall surface of the irregular curved surface such as the groove 211, and the other side of which is adhered to the outer surface of the temperature adjustment plate 300. Specifically, the heat-conducting structural adhesive may specifically be glue, and the glue adheres the temperature adjusting plate 300 and the unit cell 200. After the heat-conducting structural adhesive is arranged in the groove 211, the heat-conducting structural adhesive is respectively connected with the groove 211 and the temperature regulating plate 300, and heat in the groove 211 can be transferred to the temperature regulating plate 300 faster because of good heat-conducting property of the heat-conducting structural adhesive, so that the temperature of the battery pack 10 is regulated by the temperature regulating plate 300.
In some embodiments, the battery pack 10 further includes a thermally conductive silicone having one side in contact with the wall surface of the irregular curved surface such as the groove 211 and the other side in contact with the outer surface of the temperature adjustment plate 300. After the heat-conducting silica gel is arranged in the groove 211, the heat-conducting silica gel is respectively connected with the groove 211 and the temperature adjusting plate 300, and heat in the groove 211 can be transferred to the temperature adjusting plate 300 faster because of good heat-conducting property of the heat-conducting silica gel, so that the temperature adjusting plate 300 adjusts the temperature of the battery pack 10.
Referring to fig. 1, in some embodiments, the battery pack 10 further includes a case 400, the case 400 includes an upper case 410 and a lower case 420, the lower case 420 has a receiving cavity 430, and the upper case 410 is closed to the lower case 420. The irregular curved surface may be provided as a groove 211, where the groove 211 includes a first opening and two second openings disposed on the outer surface of the housing 210, the two second openings are located on opposite sides of the housing 210, and two ends of the first opening are respectively communicated with the two second openings. The first opening 212 is disposed at the bottom of the housing 210, two ends of the temperature adjusting plate 300 are respectively connected to two sidewalls of the accommodating cavity 430, and the bottom of the temperature adjusting plate 300 abuts against the bottom wall of the accommodating cavity 430. Specifically, since the grooves 211 may be provided at the bottom surface of the outside of the unit cell 200, the temperature adjustment plate 300 may be vertically welded to the side wall of the receiving chamber 430, thereby allowing the unit cell 200 to be inserted on the temperature adjustment plate 300. When the temperature adjusting plate 300 is coupled to the sidewall of the receiving chamber 430, it may be used as a structural member of the case 400, for example, a longitudinal beam or a transverse beam of the case 400. Thereby serving to increase the strength of the case 400.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A battery pack, comprising:
the box body is provided with a containing cavity;
a unit cell placed in the accommodation chamber, the unit cell including: the coil core, the shell and the top cover;
the inside of the shell is provided with a storage cavity, and the winding core is accommodated in the storage cavity;
the top cover is connected with the shell and seals the storage cavity, and is characterized in that:
the shell is at least partially arranged into an irregular curved surface;
the accommodating cavity is internally provided with a temperature regulating plate, the temperature regulating plate is embedded into the irregular curved surface and is in heat conduction connection with the shell, and the temperature regulating plate is used for heating the single battery or absorbing the temperature of the single battery.
2. The battery pack according to claim 1, wherein the temperature adjusting plate is provided in plurality, the plurality of unit cells are arranged in a width direction thereof to form a battery cell, the plurality of battery cells are provided in a length direction of the unit cells, and the temperature adjusting plate penetrates the entire battery cell in the arrangement direction of the unit cells.
3. The battery pack according to claim 1, wherein the temperature adjusting plate is provided in plurality, the plurality of unit cells are arranged in a length direction thereof to form a battery cell, the plurality of battery cells are provided in a width direction of the unit cells, and the temperature adjusting plate penetrates the entire battery cell in the arrangement direction of the unit cells.
4. A battery pack according to claim 2 or 3, wherein at least one of the temperature adjusting plates is provided in the same battery cell.
5. The battery pack according to claim 4, wherein the temperature adjustment plate has a flow passage inside for flowing a liquid.
6. The battery pack according to claim 5, wherein the temperature adjustment plate has an outlet and an inlet, the outlet communicates with the inlet, and the outlet and the inlet are respectively located at both ends of the temperature adjustment plate, the both ends of the temperature adjustment plate protruding from both end surfaces of the battery cell, respectively.
7. The battery pack according to claim 1, wherein the temperature adjusting plate is made of metal.
8. The battery pack according to claim 1, wherein a groove is formed in the irregularly curved surface, the groove comprises a first opening and two second openings, the first opening and the two second openings are formed in the outer surface of the shell, the two second openings are located on two opposite sides of the shell, two ends of the first opening are respectively communicated with the two second openings, the first opening is formed in the bottom of the shell, two ends of the temperature regulating plate are respectively connected to two side walls of the accommodating cavity, and the bottom of the temperature regulating plate is abutted to the bottom wall of the accommodating cavity.
9. The battery pack of claim 1, further comprising a thermally conductive structural adhesive, one side of the thermally conductive structural adhesive being bonded to the irregularly curved wall surface and the other side of the thermally conductive structural adhesive being bonded to the exterior of the temperature regulating plate.
10. The battery pack of claim 1, further comprising a thermally conductive silicone, one side of the thermally conductive silicone being in contact with the irregularly curved wall surface and the other side of the thermally conductive silicone being in contact with the exterior of the temperature adjustment plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747512.5U CN220272648U (en) | 2023-07-05 | 2023-07-05 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747512.5U CN220272648U (en) | 2023-07-05 | 2023-07-05 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272648U true CN220272648U (en) | 2023-12-29 |
Family
ID=89319213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321747512.5U Active CN220272648U (en) | 2023-07-05 | 2023-07-05 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272648U (en) |
-
2023
- 2023-07-05 CN CN202321747512.5U patent/CN220272648U/en active Active
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