CN220155612U - Battery pack box, battery pack and vehicle - Google Patents
Battery pack box, battery pack and vehicle Download PDFInfo
- Publication number
- CN220155612U CN220155612U CN202321615044.6U CN202321615044U CN220155612U CN 220155612 U CN220155612 U CN 220155612U CN 202321615044 U CN202321615044 U CN 202321615044U CN 220155612 U CN220155612 U CN 220155612U
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- Prior art keywords
- frame
- limiting
- battery pack
- cooling plate
- heat
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 238000009413 insulation Methods 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 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
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 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
Abstract
The battery pack box body comprises a frame, a cooling plate and a first heat insulation layer, wherein the cooling plate is connected with the frame, the first heat insulation layer is detachably arranged between the frame and the cooling plate, the first heat insulation layer is provided with a first surface and a second surface in the thickness direction, the first surface is attached to the frame, the second surface is attached to the cooling plate, the frame is provided with a first limiting part, the first limiting part extends along the height direction of the frame, the first heat insulation layer is provided with a first limiting hole, the first limiting part extends into the first limiting hole, and the dimension of the first limiting part in the height direction of the frame is smaller than or equal to the dimension of the first heat insulation layer in the height direction of the frame. The battery pack box body can improve the heat management efficiency of the battery module.
Description
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to a battery pack box, a battery pack and a vehicle.
Background
The power battery package is in order to improve the degree of integrating, is in the same place battery package box and cooling plate integration in most to lead to battery package box and cooling plate direct contact, make partial heat on the cooling plate run off to in the air through the box frame, cause the energy waste, can't provide more efficient thermal management to the group battery.
The related art discloses a battery pack box, sets up the insulating layer between side roof beam and cooling plate, however, limit structure in the insulating layer among the related art makes the insulating layer take place dislocation and rock easily, leads to thermal-insulated inefficacy.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a battery pack box body, which can improve the assembly precision of a heat insulation layer, thereby improving the heat management efficiency of a battery module.
The embodiment of the utility model also provides a battery pack.
The embodiment of the utility model also provides a vehicle.
The battery pack box body of the embodiment of the utility model comprises: a frame and a cooling plate connected to the frame; the first heat insulation layer is detachably arranged between the frame and the cooling plate, the first heat insulation layer is provided with a first surface and a second surface in the height direction of the frame, the first surface is attached to the frame, the second surface is attached to the cooling plate, the frame is provided with a first limiting part, the first limiting part extends in the height direction of the frame, the first heat insulation layer is provided with a first limiting hole, the first limiting part extends into the first limiting hole, and the size of the first limiting part in the height direction of the frame is smaller than or equal to the size of the first heat insulation layer in the height direction of the frame.
According to the battery pack box body disclosed by the embodiment of the utility model, the first heat insulation layer is arranged between the frame and the cooling plate, so that heat on the cooling plate is reduced to be lost to the outside through the frame, the first limiting hole is formed in the heat insulation layer, the first limiting part is arranged on the frame and extends into the first limiting hole, so that the assembly precision of the first heat insulation layer can be improved, the energy loss is reduced, the thermal management efficiency of a battery module is improved, and the size of the first limiting part in the height direction of the frame is smaller than or equal to the size of the first heat insulation layer in the height direction of the frame, so that the end faces of the two sides of the first heat insulation layer are always contacted with the frame and the cooling plate, the first heat insulation layer is prevented from shaking between the frame and the cooling plate, the assembly precision of the heat insulation layer is further improved, and the heat insulation effect between the frame and the cooling plate is ensured.
In some embodiments, the first limiting portions are located on one side, adjacent to the cooling plate, of the frame, the number of the first limiting portions is multiple, the number of the first limiting holes is multiple, the first limiting portions are distributed on the frame at intervals, and the first limiting holes are in one-to-one correspondence with the first limiting portions.
In some embodiments, the width of the first insulation layer is less than or equal to the width of the frame, and/or the outer profile of the first insulation layer matches the outer profile of the frame.
In some embodiments, the cooling system further comprises a bottom guard plate and a second insulating layer, wherein the bottom guard plate is arranged below the cooling plate, the bottom guard plate is connected with the frame, and the second insulating layer is arranged between the cooling plate and the bottom guard plate.
In some embodiments, a second limiting portion is disposed on a side, adjacent to the bottom guard plate, of the cooling plate, the second limiting portion extends along a height direction of the frame, a second limiting hole is formed in the second heat insulation layer, and the second limiting portion extends into the second limiting hole.
In some embodiments, the number of the second limiting portions is a plurality, the number of the second limiting holes is a plurality, the second limiting portions are distributed on the cooling plate at intervals, and the second limiting holes are in one-to-one correspondence with the second limiting portions.
The battery pack according to the embodiment of the utility model comprises: the battery pack box body is the battery pack box body according to any one of the embodiments; and the battery module is arranged in the battery pack box body.
In some embodiments, the battery pack further includes a heat conductive layer disposed at the bottom of the battery module, and the heat conductive layer is disposed between the battery module and the battery pack case, and/or the number of the heat conductive layers is plural, and the plural heat conductive layers are arranged at intervals in the width direction of the frame.
In some embodiments, the battery pack further includes a limiting plate disposed between the battery module and the battery pack case, and the heat conductive layer is mounted on the limiting plate.
The vehicle according to an embodiment of the present utility model includes the battery pack according to any one of the above embodiments.
Drawings
Fig. 1 is a partial cross-sectional view of a battery pack case according to an embodiment of the present utility model.
Fig. 2 is a partial cross-sectional view of another location of a battery pack case according to an embodiment of the present utility model.
Fig. 3 is a partial cross-sectional view of another location of a battery pack case according to an embodiment of the present utility model.
Fig. 4 is a partial cross-sectional view of another location of a battery pack case according to an embodiment of the present utility model.
Fig. 5 is a partially enlarged view of a battery pack case according to an embodiment of the present utility model, and does not include a first heat insulating layer.
Fig. 6 is a partial enlarged view of a battery pack case according to an embodiment of the present utility model, and includes a first insulation layer
Fig. 7 is a partially enlarged view of a battery pack case according to another embodiment of the present utility model, excluding the first heat insulating layer.
Fig. 8 is a partial enlarged view of a battery pack case according to another embodiment of the present utility model, and includes a first insulation layer.
Fig. 9 is a schematic structural view of a battery pack according to an embodiment of the present utility model.
Fig. 10 is an exploded view of a battery pack according to an embodiment of the present utility model.
Reference numerals:
the battery pack case 100, the battery module 200,
the frame 1, the first limiting part 11,
the cooling plate 2, the second limiting part 21,
the first heat insulation layer 3, the first limiting hole 31,
the bottom guard plate 4, the second heat insulation layer 5, the second limiting hole 51,
a heat conducting layer 6 and a limiting plate 7.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1 to 8, a battery pack case 100 according to an embodiment of the present utility model includes a frame 1, a cooling plate 2, and a first heat insulating layer 3, the cooling plate 2 being connected to the frame 1, the first heat insulating layer 3 being detachably provided between the frame 1 and the cooling plate 2, and the first heat insulating layer 3 having a first surface and a second surface in a height direction of the frame 1 (up-down direction as shown in fig. 1), the first surface being attached to the frame 1, the second surface being attached to the cooling plate 2.
The first surface is the upper surface of the first heat insulating layer 3, the second surface is the lower surface of the first heat insulating layer 3, that is, the upper surface of the first heat insulating layer 3 is attached to the lower surface of the frame 1, and the lower surface of the first heat insulating layer 3 is attached to the upper surface of the cooling plate 2.
Alternatively, the first insulating layer 3 may be bonded between the frame 1 and the cooling plate 2.
Specifically, as shown in fig. 1 to 4, the frame 1, the first heat insulating layer 3 and the cooling plate 2 are sequentially arranged from top to bottom, the upper end of the first heat insulating layer 3 is attached to the bottom of the frame 1, and the lower end of the first heat insulating layer 3 is attached to the upper end surface of the cooling plate 2.
It should be noted that the first insulating layer 3 may be made of heat-insulating sealing foam, so that not only the heat transfer from the cooling plate 2 to the frame 1 may be reduced or prevented, but also the sealing performance between the frame 1 and the cooling plate 2 may be improved.
The frame 1 is provided with a first limiting part 11, the first limiting part 11 extends along the height direction (up-down direction as shown in fig. 5) of the frame 1, the first heat insulation layer 3 is provided with a first limiting hole 31, the first limiting part 11 extends into the first limiting hole 31, and the dimension of the first limiting part 31 in the height direction of the frame 1 is smaller than or equal to the dimension of the first heat insulation layer 3 in the height direction of the frame 1.
Specifically, as shown in fig. 4 to 6, the bottom of the frame 1 is provided with a first limiting portion 11, the first limiting portion 11 extends in the up-down direction, the outer contour of the first limiting portion 11 is rectangular, and the inner contour of the first limiting hole 31 is matched with the outer contour of the first limiting portion 11. It should be noted that the outer contour of the first limiting portion 11 may also be other shapes, for example, the outer contour of the first limiting portion 11 may be elliptical.
As shown in fig. 3, 7 and 8, the outer contour of the first limiting portion 11 may be circular, and then the inner contour of the first limiting hole 31 is circular.
The first limiting portion 11 may be integrally die-cast with the frame 1, or the first limiting portion 11 may be connected to the frame 1 by means of detachable connection such as fastening, bonding, or bolting, or the first limiting portion 11 may be connected to the frame 1 by means of welding, riveting, or the like.
After the first heat insulating layer 3 is mounted between the frame 1 and the cooling plate 2, the lower end face of the first heat insulating layer 3 is flush with the lower end face of the first limiting portion 11, in other words, the height of the first heat insulating layer 3 is the same as that of the first limiting portion 11, and by setting the first limiting portion 11, not only can the assembly precision of the first heat insulating layer 3 be improved, but also the lamination size of the first heat insulating layer 3 can be adjusted by selecting the height of the first limiting portion 11, so that the assembly of battery pack boxes 100 of different types can be satisfied.
According to the battery pack box body disclosed by the embodiment of the utility model, the first heat insulation layer 3 is arranged between the frame 1 and the cooling plate 2, so that heat on the cooling plate 2 is reduced to be lost to the outside through the frame 1, the first limiting holes 31 are formed in the heat insulation layer, the first limiting parts 11 are arranged on the frame 1, and the first limiting parts 11 extend into the first limiting holes 31, so that the assembly precision of the first heat insulation layer 3 can be improved, the energy loss is reduced, the heat management efficiency of a battery module is improved, and because the dimension of the first limiting parts 11 in the height direction of the frame 1 is smaller than or equal to the dimension of the first heat insulation layer 3 in the height direction of the frame 1, the two side end faces of the first heat insulation layer 3 are ensured to be always contacted with the frame 1 and the cooling plate 2, the first heat insulation layer 3 is prevented from shaking between the frame 1 and the cooling plate 2, the assembly precision of the heat insulation layer is further improved, and the heat insulation effect between the frame 1 and the cooling plate 2 is ensured.
In some embodiments, the number of the first limiting portions 11 is plural, the number of the first limiting holes 31 is plural, the plurality of first limiting portions 11 are distributed on the frame 1 at intervals, and the plurality of first limiting holes 31 are in one-to-one correspondence with the plurality of first limiting portions 11.
For example, the plurality of first limiting portions 11 are uniformly spaced along the periphery of the frame 1, the number of the first limiting portions 11 is the same as the number of the first limiting holes 31, and the plurality of first limiting portions 11 are in one-to-one correspondence with the plurality of first limiting holes 31. Through setting up a plurality of first spacing portions 11, not only can further improve the assembly precision of first insulating layer 3, can also guarantee the homogeneity of first insulating layer 3 pressfitting size in different positions department to thermal-insulated homogeneity and sealed homogeneity have been improved.
In some embodiments, the width of the first insulation layer 3 is less than or equal to the width of the frame 1, and/or the outer contour of the first insulation layer 3 matches the outer contour of the frame 1.
Specifically, as shown in fig. 1 and 2, the first heat insulating layer 3 is located below the frame 1, and the width of the first heat insulating layer 3 is smaller than the width of the frame 1, or the width of the first heat insulating layer 3 is equal to the width of the frame 1, that is, the heat insulation between the frame 1 and the cooling plate 2 is ensured, the heat on the cooling plate 2 is reduced and lost to the outside through the frame 1, and when the width of the first heat insulating layer 3 is larger than the frame 1, the left end of the first heat insulating layer 3 has a risk of invading a battery accommodating cavity in the frame 1, so that the battery module contacts with the first heat insulating layer 3, and the heat dissipation of the battery module is affected.
Optionally, the outer contour of the first heat insulation layer 3 is matched with the outer contour of the frame 1, so that the first heat insulation layer 3 is matched with the frame 1 more tightly, and the heat insulation balance of the frame 1 everywhere is ensured.
In some embodiments, the battery pack case 100 further includes a bottom guard plate 4 and a second insulating layer 5, the bottom guard plate 4 being disposed under the cooling plate 2, the bottom guard plate 4 being connected to the frame 1, the second insulating layer 5 being disposed between the cooling plate 2 and the bottom guard plate 4.
Specifically, as shown in fig. 1 and 2, a bottom guard plate 4 is provided below the cooling plate 2, the periphery of the bottom guard plate 4 is connected to the frame 1, and a second heat insulating layer 5 is provided between the cooling plate 2 and the bottom guard plate 4. The second heat insulating layer 5 may be a heat insulating plate, and the second heat insulating layer 5 covers the entire or part of the cooling plate 2, for example, an upper end surface of the second heat insulating layer 5 may cover the bottom of the entire cooling plate 2, or the second heat insulating layer 5 may be installed only at a contact position of the cooling plate 2 and the bottom guard plate 4.
The second insulating layer 5 may be made of heat-insulating sealing foam, so that not only the heat transfer of the cooling plate 2 to the bottom shielding plate 4 may be reduced or prevented, but also the sealing performance between the bottom shielding plate 4 and the cooling plate 2 may be improved.
According to the battery pack case 100 provided by the embodiment of the utility model, the second heat insulation layer 5 is arranged between the cooling plate 2 and the bottom guard plate 4, so that the heat loss of the cooling plate 2 to the outside through the bottom guard plate 4 is reduced, the energy loss is reduced, and the thermal management efficiency of the battery module 200 is improved. And by installing the second heat insulating layer 5 between the bottom guard plate 4 and the cooling plate 2, the sealability and the protective performance against the bottom of the cooling plate 2 can also be improved.
In some embodiments, a second limiting portion 21 is disposed on a side of the cooling plate 2 adjacent to the bottom guard plate 4, the second limiting portion 21 extends along the height direction of the frame 1, a second limiting hole 51 is disposed on the second insulating layer 5, and the second limiting portion 21 extends into the second limiting hole 51.
As shown in fig. 1 and 2, the bottom of the cooling plate 2 is provided with a second limiting portion 21, and the second limiting portion 21 extends in the up-down direction, optionally, the outer contour of the second limiting portion 21 is rectangular, and the inner contour of the second limiting hole 51 is matched with the outer contour of the second limiting portion 21. It should be noted that the outer contour of the second limiting portion 21 may also have other shapes, for example, the outer contour of the second limiting portion 21 may have an oval shape or a circular shape.
It should be noted that the second limiting portion 21 may be integrally die-cast with the cooling plate 2, or the second limiting portion 21 may be connected to the cooling plate 2 by means of detachable connection such as clamping, bonding, or bolting, or the second limiting portion 21 may be connected to the cooling plate 2 by means of welding, riveting, or the like.
After the second heat-insulating layer 5 is mounted between the bottom guard plate 4 and the cooling plate 2, the lower end face of the second heat-insulating layer 5 is flush with the lower end face of the second limiting portion 21, in other words, the height of the second heat-insulating layer 5 is the same as that of the second limiting portion 21, and by setting the second limiting portion 21, not only the assembly precision of the second heat-insulating layer 5 can be improved, but also the lamination size of the second heat-insulating layer 5 can be adjusted by selecting the height of the second limiting portion 21, so that the assembly of battery pack boxes 100 with different models can be satisfied.
In some embodiments, the number of the second limiting portions 21 is plural, the number of the second limiting holes 51 is plural, the plurality of second limiting portions 21 are distributed on the cooling plate 2 at intervals, and the plurality of second limiting holes 51 are in one-to-one correspondence with the plurality of second limiting portions 21.
For example, the plurality of second limiting portions 21 are uniformly spaced along the periphery of the frame 1, the number of the second limiting portions 21 is the same as the number of the second limiting holes 51, and the plurality of second limiting portions 21 are in one-to-one correspondence with the plurality of second limiting holes 51. Through setting up a plurality of second spacing portions 21, not only can further improve the assembly precision of second insulating layer 5, can also guarantee the homogeneity of second insulating layer 5 pressfitting size in different positions department to thermal-insulated homogeneity and sealed homogeneity have been improved.
The battery pack according to the embodiment of the utility model includes a battery pack case 100 and a battery module 200, wherein the battery pack case 100 is the battery pack case 100 according to any one of the embodiments described above, and the battery module 200 is disposed in the battery pack case 100.
Specifically, as shown in fig. 9 and 10, the battery pack case 100 has a space inside for storing the battery module 200, the battery module 200 is placed in the space, and the cooling plate 2 is provided under the battery module 200.
In the battery pack according to the embodiment of the utility model, the battery pack case 100 of the above embodiment is adopted, the first heat insulation layer 3 is arranged between the frame 1 and the cooling plate 2, so that the heat loss on the cooling plate 2 to the outside through the frame 1 is reduced, the second heat insulation layer 5 is arranged between the cooling plate 2 and the bottom guard plate 4, and the heat loss on the cooling plate 2 through the bottom guard plate 4 is reduced, thereby reducing the energy loss and improving the thermal management efficiency of the battery module 200.
In some embodiments, the battery pack further includes a heat conductive layer 6, the heat conductive layer 6 is disposed at the bottom of the battery module 200, and the heat conductive layer 6 is located between the battery module 200 and the battery pack case 100.
Specifically, as shown in fig. 10, the upper end of the heat conductive layer 6 is in contact with the lower end of the battery module 200, and the lower end of the heat conductive layer 6 is in contact with the bottom of the frame 1, and the heat of the cooling plate 2 can be transferred to the battery module 200 by providing the heat conductive layer 6, thereby improving the thermal management effect of the battery module 200.
Alternatively, the number of the heat conductive layers 6 may be plural, the plural heat conductive layers 6 are arranged at intervals in the width direction of the frame, that is, the plural heat conductive layers 6 are arranged at intervals in the left-right direction, and the plural heat conductive layers 6 are arranged in parallel, and the plural heat conductive layers 6 are in one-to-one correspondence with the plural electric cells in the battery module 200, or the number of the heat conductive layers 6 is one, and one heat conductive layer 6 covers the bottom of the entire battery module 200.
In some embodiments, the battery pack further includes a limiting plate 7, the limiting plate 7 is disposed between the battery module 200 and the battery pack case 100, and the heat conductive layer 6 is mounted on the limiting plate 7.
Specifically, as shown in fig. 10, the limiting plate 7 is disposed between the heat conductive layer 6 and the bottom of the frame 1, in other words, the heat conductive layer 6 is disposed above the limiting plate 7, and the relative position between the heat conductive layer 6 and the battery module 200 can be ensured by the limiting plate 7, thereby ensuring the heat conductive effect of the heat conductive layer 6.
The vehicle of the embodiment of the utility model comprises the battery pack of any one of the embodiments.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
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" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," 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 utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A battery pack case, comprising:
a frame and a cooling plate connected to the frame;
a first heat insulating layer detachably provided between the frame and the cooling plate, the first heat insulating layer having a first surface and a second surface in a height direction of the frame, the first surface being bonded to the frame, the second surface being bonded to the cooling plate,
the frame is provided with a first limiting part, the first limiting part extends along the height direction of the frame, the first heat insulation layer is provided with a first limiting hole, the first limiting part extends into the first limiting hole, and the size of the first limiting part in the height direction of the frame is smaller than or equal to the size of the first heat insulation layer in the height direction of the frame.
2. The battery pack case according to claim 1, wherein the first limiting portions are located at a side of the frame adjacent to the cooling plate, the number of the first limiting portions is plural, the number of the first limiting holes is plural, the plurality of the first limiting portions are distributed on the frame at intervals, and the plurality of the first limiting holes are in one-to-one correspondence with the plurality of the first limiting portions.
3. The battery pack case of claim 2, wherein the first insulating layer has a width less than or equal to a width of the frame and/or an outer contour of the first insulating layer matches an outer contour of the frame.
4. The battery pack case of any one of claims 1-3, further comprising a bottom guard plate disposed below the cooling plate, the bottom guard plate being connected to the frame, and a second insulating layer disposed between the cooling plate and the bottom guard plate.
5. The battery pack case according to claim 4, wherein a second limiting portion is provided on a side of the cooling plate adjacent to the bottom guard plate, the second limiting portion extends in a height direction of the frame, a second limiting hole is provided in the second heat insulating layer, and the second limiting portion extends into the second limiting hole.
6. The battery pack case according to claim 5, wherein the number of the second limiting portions is plural, the number of the second limiting holes is plural, the plurality of the second limiting portions are distributed on the cooling plate at intervals, and the plurality of the second limiting holes are in one-to-one correspondence with the plurality of the second limiting portions.
7. A battery pack, comprising:
a battery pack case according to any one of claims 1 to 6;
and the battery module is arranged in the battery pack box body.
8. The battery pack according to claim 7, further comprising a heat conductive layer provided at the bottom of the battery module, and the heat conductive layer is located between the battery module and the battery pack case, and/or the number of the heat conductive layers is plural, the plural heat conductive layers being arranged at intervals in the width direction of the frame.
9. The battery pack of claim 8, further comprising a limiting plate disposed between the battery module and the battery pack case, the thermally conductive layer being mounted on the limiting plate.
10. A vehicle comprising a battery pack according to any one of claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321615044.6U CN220155612U (en) | 2023-06-25 | 2023-06-25 | Battery pack box, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321615044.6U CN220155612U (en) | 2023-06-25 | 2023-06-25 | Battery pack box, battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155612U true CN220155612U (en) | 2023-12-08 |
Family
ID=89007904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321615044.6U Active CN220155612U (en) | 2023-06-25 | 2023-06-25 | Battery pack box, battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155612U (en) |
-
2023
- 2023-06-25 CN CN202321615044.6U patent/CN220155612U/en active Active
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