CN221262479U - Battery pack assembly of vehicle and vehicle - Google Patents
Battery pack assembly of vehicle and vehicle Download PDFInfo
- Publication number
- CN221262479U CN221262479U CN202323061091.3U CN202323061091U CN221262479U CN 221262479 U CN221262479 U CN 221262479U CN 202323061091 U CN202323061091 U CN 202323061091U CN 221262479 U CN221262479 U CN 221262479U
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- battery pack
- cavity
- vehicle
- connector
- pack assembly
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- 238000001816 cooling Methods 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The application discloses a battery pack assembly of a vehicle and the vehicle, wherein the battery pack assembly comprises: a battery pack tray having a first sidewall; the bottom guard plate is positioned at the bottom end of the battery pack tray and is connected with the battery pack tray; the liquid cooling plate is arranged in the battery pack tray and is arranged at intervals with the bottom guard plate to form a first cavity; the connecting pipe is provided with a first end and a second end, the first end is arranged on the first side wall, the second end is communicated with the first cavity, and the first end is suitable for being connected with a detection device to detect the air tightness of the first cavity. According to the battery pack assembly of the vehicle, which is disclosed by the embodiment of the application, the air tightness of the cavity between the liquid cooling plate and the bottom guard plate can be detected, and the risk of corrosion and cracking of the liquid cooling plate is reduced.
Description
Technical Field
The application relates to the field of battery packs, in particular to a battery pack assembly of a vehicle and the vehicle.
Background
In the related art, the protection level of the power battery of the new energy automobile is strict, the air tightness detection is an essential detection item for product verification, the air tightness detection of the current power battery mostly utilizes the hole site of the battery tray shell to carry out sealing detection on the cavity between the liquid cooling plate and the upper cover plate, but no effective means is needed for detecting the cavity between the liquid cooling plate and the lower protection plate, if the cavity is filled with water, the efficiency of the liquid cooling plate is reduced, and the risk of corrosion and cracking of the liquid cooling plate is increased.
Disclosure of utility model
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present application is to provide a battery pack assembly, which can detect the air tightness of a cavity between a liquid cooling plate and a bottom guard plate, and reduce the risk of corrosion and cracking of the liquid cooling plate.
The application further provides a vehicle with the battery pack assembly.
According to an embodiment of the present application, a battery pack assembly of a vehicle includes: a battery pack tray having a first sidewall; the bottom guard plate is positioned at the bottom end of the battery pack tray and is connected with the battery pack tray; the liquid cooling plate is arranged in the battery pack tray and is arranged at intervals with the bottom guard plate to form a first cavity; the connecting pipe is provided with a first end and a second end, the first end is arranged on the first side wall, the second end is communicated with the first cavity, and the first end is suitable for being connected with a detection device to detect the air tightness of the first cavity.
According to the battery pack assembly of the vehicle, which is provided with the connecting pipe, the connecting pipe is arranged on the side wall of the battery pack tray, the connecting pipe can be communicated with the cavity between the liquid cooling plate and the bottom guard plate, and when the battery pack assembly is subjected to airtight detection, the detection device can be connected with the connecting pipe to detect the air tightness of the cavity between the liquid cooling plate and the bottom guard plate, so that the cooling efficiency of the liquid cooling plate is ensured, and the risks of corrosion and cracking of the liquid cooling plate are reduced.
In some embodiments of the application, the battery pack assembly further comprises: the high-voltage connector is positioned on the first side wall, and the first end is arranged in the high-voltage connector.
In some embodiments of the application, the high voltage connector comprises: a connector housing connected to the first side wall, the connector housing being formed with a second cavity open in a first direction, an inner wall of the second cavity being formed with a through hole; the wire harness connectors are accommodated in the second cavity and are connected with the connector shell; the connecting pipe penetrates through the through hole, and the first end is contained in the second cavity and located between two adjacent wire harness connectors.
In some embodiments of the present application, the second cavity has an opening that opens in a first direction, and a shortest distance between the first end and the opening in the first direction is greater than a shortest distance between the harness connector and the opening in the first direction.
In some embodiments of the application, the battery pack assembly further comprises: the connecting end socket is arranged at the first end and is suitable for sealing the connecting pipe.
In some embodiments of the application, the battery pack assembly further comprises: the sealing piece is sleeved on the periphery of the first end and is attached to the inner wall of the connecting seal head.
In some embodiments of the present application, the liquid cooling plate is provided with a connector penetrating in a thickness direction, one end of the connector is communicated with the first cavity, and the other end of the connector is communicated with the second end.
In some embodiments of the application, the second end has a cross-sectional area that gradually increases in a direction extending toward the connector.
In some embodiments of the application, the connecting tube is constructed as a plastic piece.
A vehicle according to an embodiment of the present application is briefly described below.
According to the battery pack assembly, the air tightness of the cavity between the liquid cooling plate and the bottom guard plate can be detected during air seal detection, so that the cooling efficiency of the liquid cooling plate is ensured, and the risk of corrosion and cracking of the liquid cooling plate is reduced.
Additional aspects and advantages of the application 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 application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is an exploded view of a battery pack assembly according to an embodiment of the present application;
fig. 2 is a partial structural schematic view of the connection pipe and the battery pack tray of fig. 1;
FIG. 3 is a schematic view of a portion of the structure of the connection tube and the high-pressure connector of FIG. 1;
fig. 4 is a schematic view showing a part of the structure of the connection pipe, the high-voltage connector and the battery pack tray in fig. 1 after being assembled;
fig. 5 is a schematic view of a part of the liquid cooling plate in fig. 1.
Reference numerals:
10. A battery pack assembly; 11. a battery pack tray; 111. a first sidewall; 12. a bottom guard board; 13. a liquid cooling plate; 131. a connector; 14. a connecting pipe; 141. a first end; 142. a second end; 15. a cover plate; 16. a high voltage connector; 161. a connector housing; 162. a harness connector; 17. connecting the end sockets; 18. and a seal.
Detailed Description
Embodiments of the present application 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 application.
Referring now to fig. 1-5, a battery pack assembly 10 of a vehicle according to an embodiment of the present application is described, the battery pack assembly 10 including a battery pack tray 11, a bottom shield 12, a liquid cooling plate 13, and a connection pipe 14, the battery pack tray 11 having a first sidewall 111, the bottom shield 12 being positioned at a bottom end of the battery pack tray 11 and connected to the battery pack tray 11, the liquid cooling plate 13 being disposed within the battery pack tray 11 and spaced apart from the bottom shield 12 to form a first cavity, the connection pipe 14 having a first end 141 and a second end 142, the first end 141 being disposed on the first sidewall 111, the second end 142 being in communication with the first cavity, the first end 141 being adapted to be connected to a detection device to detect the air tightness of the first cavity.
At present, the protection level of the power battery of the new energy automobile is strict, the air tightness detection is an essential detection item for product verification, the air tightness detection of the current power battery mostly utilizes the hole site of the battery tray shell to carry out sealing detection on a cavity between the liquid cooling plate and the upper cover plate, but no effective means is needed for detecting the cavity between the liquid cooling plate and the lower protection plate, if the cavity is filled with water, the efficiency of the liquid cooling plate is reduced, and the risk of corrosion and cracking of the liquid cooling plate is increased.
As shown in fig. 1, specifically, the battery pack assembly 10 includes a cover plate 15, a battery pack tray 11, and a bottom protection plate 12, the cover plate 15 and the bottom protection plate 12 are respectively disposed at the top and bottom ends of the battery pack tray 11, and the cover plate 15 and the bottom protection plate 12 can be fixedly connected with the battery pack tray 11 to seal the battery pack tray 11, and a receiving cavity for receiving the battery cells can be formed in the battery pack tray 11. The liquid cooling plate 13 is located and holds the intracavity to the liquid cooling plate 13 sets up between electric core and end backplate 12, and the effect of cooling down to the battery can be realized to liquid cooling plate 13, and wherein, the inner wall seal of liquid cooling plate 13 and panel tray sets up in order to guarantee the leakproofness that holds the chamber.
The liquid cooling plate 13 and the bottom guard plate 12 are arranged at intervals in the thickness direction, a first cavity is formed between the liquid cooling plate 13 and the bottom guard plate 12, the battery pack tray 11 is provided with a first side wall 111, two ends of the connecting pipe 14 are respectively configured into a first end 141 and a second end 142, the first end 141 is arranged on the first side wall 111, the second end 142 is communicated with the first cavity, when air tightness detection is carried out, the detecting device is firstly connected with the first end 141, and the first cavity is communicated with the detecting device through the connecting pipe 14, so that the first cavity is detected. Compared with the prior art, the battery pack assembly 10 can realize the detection of the air tightness of the cavity between the liquid cooling plate 13 and the bottom guard plate 12, and the structure can be used when the battery pack assembly 10 is detected, and can also be used when a vehicle provided with the battery pack assembly 10 is maintained, and the effect of checking and early warning the rupture risk of the battery pack tray 11 is realized by detecting the leakage amount of the first cavity.
In short, the battery pack assembly 10 of the present application has the connection pipe 14, the connection pipe 14 is disposed on the side wall of the battery pack tray 11, and the connection pipe 14 can be communicated with the cavity between the liquid cooling plate 13 and the bottom protection plate 12, and when the battery pack assembly 10 is subjected to airtight detection, the detection device can be connected with the connection pipe 14 to realize detection of the airtight of the cavity between the liquid cooling plate 13 and the bottom protection plate 12, so as to ensure the cooling efficiency of the liquid cooling plate 13 and reduce the risk of corrosion and cracking of the liquid cooling plate 13.
As shown in fig. 2 and 3, in some embodiments of the present application, the battery pack assembly 10 further includes a high voltage connector 16, the high voltage connector 16 may be connected to a high voltage cable, and the high voltage connector 16 may be located on the first side wall 111, where the first end 141 of the connecting tube 14 may be disposed in the high voltage connector 16, so that an additional opening on the first side wall 111 is not required to provide an installation space for the first end 141, thereby reducing the difficulty in processing the battery pack tray 11, and disposing the first end 141 in the high voltage connector 16 may reduce the space occupied by the connecting tube 14, thereby realizing an integrated design of the battery pack tray 11, and the connecting tube 14 does not affect the normal use of the battery pack tray 11, improving the aesthetic property of the battery pack tray 11.
As shown in fig. 3, in some embodiments of the present application, the high voltage connector 16 includes a connector housing 161 and a harness connector 162, the connector housing 161 is connected with the first sidewall 111, and a second cavity opened in the first direction is formed on the connector housing 161, a through hole is formed on an inner wall of the second cavity, the harness connector 162 may be configured in plurality, the harness connector 162 may be received in the second cavity and connected with the connector housing 161, further, the connection pipe 14 may be disposed through the through hole, the first end 141 may be received in the second cavity, and the first end 141 may be located between two adjacent harness connectors 162, thereby reducing a space occupied by the first end 141 in the second cavity, and also avoiding affecting a normal use of the harness connector 162.
As shown in fig. 3, in some embodiments of the present application, the second cavity has an opening that is open in the first direction, and in the first direction, the shortest distance between the first end 141 and the opening is greater than the distance between the harness connector 162 and the opening, so that the normal use of the harness connector 162 is prevented from being affected by the connection pipe 14, and the connector housing 161 can protect the first end 141 during the daily running after the battery pack is packaged, so as to prevent the collision or wear between the first end 141 and other parts outside the battery pack assembly 10, and improve the service life of the connection pipe 14.
As shown in fig. 4, in some embodiments of the present application, the battery pack assembly 10 further includes a connection cap 17, the connection cap 17 may be disposed at an end of the first end 141, and the connection cap 17 may be matched with the first end 141 to close the connection tube 14, so that when the battery pack assembly 10 does not need to be detected, the problem that the connection tube 14 communicates the first cavity with the outside to cause leakage of the first cavity can be effectively avoided, further, a detachable connection is formed between the connection cap 17 and the first end 141 through a bolt and a thread, or a detachable connection is formed between the connection cap 17 and the first end 141 through a clamping connection and a plugging connection, in a specific embodiment, the connection cap 17 is made of a rubber member, and the connection cap 17 is matched with the first end 141 through deformation, so as to achieve the effect of sealing the first end 141.
As shown in fig. 3, in some embodiments of the present application, the battery pack assembly 10 further includes a sealing member 18, the sealing member 18 may be sleeved on the outer circumference of the first end 141, and the sealing member 18 may be disposed in a fit with the inner wall of the connecting seal head 17, and the sealing member 18 may further improve the sealing effect between the connecting seal head 17 and the first end 141, and in a specific embodiment, the sealing member 18 may be configured as a rubber ring.
As shown in fig. 5, in some embodiments of the present application, a connector 131 penetrating in the thickness direction is disposed on the liquid cooling plate 13, one end of the connector 131 is communicated with the first cavity, the other end of the connector 131 is communicated with the second end 142, so as to realize the communication between the connecting pipe 14 and the first cavity, the connector 131 may be configured as a metal piece, thereby improving the structural strength and the service life of the connector 131, avoiding the influence of the connector 131 on the air tightness of the first cavity, and the connecting pipe 14 may be configured as a plastic piece, thereby improving the reliability of the connection between the connecting pipe 14 and the connector 131. In some embodiments of the present application, the cross-sectional area of the second end 142 in the extending direction of the connector 131 increases gradually, so as to increase the contact area between the second end 142 and the liquid cooling plate 13, and ensure the sealing effect between the second end 142 and the connector 131.
A vehicle according to an embodiment of the present application is briefly described below.
The vehicle according to the embodiment of the application is provided with the battery pack assembly 10 of the embodiment, and because the vehicle according to the embodiment of the application is provided with the battery pack assembly 10 of the embodiment of the application, the battery pack assembly 10 of the vehicle can detect the air tightness of the cavity between the liquid cooling plate 13 and the bottom guard plate 12 during air seal detection, thereby ensuring the cooling efficiency of the liquid cooling plate 13 and reducing the risk of rusting and cracking of the liquid cooling plate 13.
In the description of the present application, 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 application 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 application.
In the description of the application, a "first feature" or "second feature" may include one or more of such features.
In the description of the present application, "plurality" means two or more.
In the description of the application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
In the description of the application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 application. 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.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery pack assembly for a vehicle, comprising:
A battery pack tray having a first sidewall;
The bottom guard plate is positioned at the bottom end of the battery pack tray and is connected with the battery pack tray;
The liquid cooling plate is arranged in the battery pack tray and is arranged at intervals with the bottom guard plate to form a first cavity;
the connecting pipe is provided with a first end and a second end, the first end is arranged on the first side wall, the second end is communicated with the first cavity, and the first end is suitable for being connected with a detection device to detect the air tightness of the first cavity.
2. The battery pack assembly of a vehicle of claim 1, further comprising:
The high-voltage connector is positioned on the first side wall, and the first end is arranged in the high-voltage connector.
3. The vehicle battery pack assembly of claim 2, wherein the high voltage connector comprises:
A connector housing connected to the first side wall, the connector housing being formed with a second cavity open in a first direction, an inner wall of the second cavity being formed with a through hole;
The wire harness connectors are accommodated in the second cavity and are connected with the connector shell; wherein,
The connecting pipe penetrates through the through hole, and the first end is contained in the second cavity and located between two adjacent wire harness connectors.
4. The vehicle battery pack assembly of claim 3, wherein the second cavity has an open mouth that opens in a first direction, the shortest distance between the first end and the open mouth in the first direction being greater than the shortest distance between the harness connector and the open mouth in the first direction.
5. The battery pack assembly of a vehicle of claim 1, further comprising: the connecting end socket is arranged at the first end and is suitable for sealing the connecting pipe.
6. The battery pack assembly of the vehicle of claim 5, further comprising: the sealing piece is sleeved on the periphery of the first end and is attached to the inner wall of the connecting seal head.
7. The battery pack assembly of claim 1, wherein the liquid cooling plate is provided with a connector penetrating in a thickness direction, one end of the connector is communicated with the first cavity, and the other end of the connector is communicated with the second end.
8. The vehicle battery pack assembly of claim 7, wherein the second end has a cross-sectional area that gradually increases in a direction extending toward the connector.
9. The battery pack assembly of the vehicle of claim 1, the connecting tube being constructed as a plastic piece.
10. A vehicle comprising a battery pack assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323061091.3U CN221262479U (en) | 2023-11-09 | 2023-11-09 | Battery pack assembly of vehicle and vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323061091.3U CN221262479U (en) | 2023-11-09 | 2023-11-09 | Battery pack assembly of vehicle and vehicle |
Publications (1)
Publication Number | Publication Date |
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CN221262479U true CN221262479U (en) | 2024-07-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202323061091.3U Active CN221262479U (en) | 2023-11-09 | 2023-11-09 | Battery pack assembly of vehicle and vehicle |
Country Status (1)
Country | Link |
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CN (1) | CN221262479U (en) |
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2023
- 2023-11-09 CN CN202323061091.3U patent/CN221262479U/en active Active
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