CN213007579U - Battery pack for vehicle and vehicle - Google Patents
Battery pack for vehicle and vehicle Download PDFInfo
- Publication number
- CN213007579U CN213007579U CN202021721275.1U CN202021721275U CN213007579U CN 213007579 U CN213007579 U CN 213007579U CN 202021721275 U CN202021721275 U CN 202021721275U CN 213007579 U CN213007579 U CN 213007579U
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- battery pack
- tray
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- vehicle body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery package and vehicle, the battery package, include: the tray is suitable for accommodating the battery module; the vehicle body connecting portion includes: the tray is connected with the frame, and the first cross beam is connected with the vehicle body. According to the battery pack provided by the embodiment of the utility model, by arranging the split type tray and the body connecting part, on one hand, the flatness of the tray is high, the sealing performance is good, the working stability of the battery pack can be improved, the forming cost of the tray is low, the development cost of the battery pack can be reduced, and the space of the tray for the battery pack is small; on the other hand, through first crossbeam and automobile body coupling, can avoid battery package whole car mounting point to appear stress concentration, improve the fixed stability of battery package on the automobile body.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a battery package and vehicle of vehicle are related to.
Background
In the related art, the existing battery pack lower shell is mostly manufactured by adopting an aluminum profile welding process, the aluminum profile welding deformation is large, the flatness of the shell is poor, the sealing performance of a battery pack sealing surface is affected, the stress concentration of the whole battery pack mounting point is caused, the strength is weak, the finished product of the shell under the aluminum profile is high, and the development cost of the battery pack is further improved. The cost of panel beating punching press is higher, requires great to its draft angle, occupies the space in the battery package.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a battery package, battery package's structural strength is high, with low costs, and the leakproofness is good.
The utility model further provides a vehicle of adopting above-mentioned battery package.
According to the utility model discloses battery package of vehicle, include: the tray is suitable for accommodating the battery module; the vehicle body connecting portion includes: the tray is connected with the frame, and the first cross beam is connected with the vehicle body.
According to the battery pack provided by the embodiment of the utility model, by arranging the split type tray and the body connecting part, on one hand, the flatness of the tray is high, the sealing performance is good, the working stability of the battery pack can be improved, the forming cost of the tray is low, the development cost of the battery pack can be reduced, and the space of the tray for the battery pack is small; on the other hand, through first crossbeam and automobile body coupling, can avoid battery package whole car mounting point to appear stress concentration, improve the fixed stability of battery package on the automobile body.
According to some embodiments of the invention, the frame comprises: the left longitudinal beam and the right longitudinal beam are respectively provided with a rear support at one end of the left longitudinal beam and the right longitudinal beam on the same side and a front cross beam at the other end of the left longitudinal beam and the right longitudinal beam on the same side; the first cross beams are arranged between the rear support and the front cross beam and fixedly connected with the left longitudinal beam and the right longitudinal beam.
In some embodiments, two ends of the first cross beam and the front cross beam respectively protrude from the left longitudinal beam and the right longitudinal beam, and are connected with the vehicle body.
In some embodiments, further comprising: the reinforcing cross beams are multiple and arranged between the rear support and the first cross beams, between two adjacent first cross beams and between the front cross beam and the first cross beams.
Further, the left and right stringers each comprise: this somatic part, first connecting portion and second connecting portion, the one end and the this somatic part of first connecting portion are connected, and the other end is inside buckles, the second connecting portion include: the connecting plate and the bending plate are connected, one end of the connecting plate is connected with the body part, the other end of the connecting plate deviates from the body part and extends, one end of the bending plate is connected with the other end of the connecting plate, the other end of the bending plate is bent inwards, the first connecting part is attached to and connected with the tray, and the second connecting part is attached to and connected with the front cross beam or the first cross beam.
In some embodiments, a side of the front cross member facing away from the frame is further provided with a first connecting beam, and the first connecting beam is connected with the vehicle body.
Furthermore, the first connecting beam is a plurality of, and a plurality of the first connecting beam respectively with the left longeron, the right longeron corresponds the setting.
According to some embodiments of the present invention, further comprising: and one end of the second connecting beam is connected with the reinforcing cross beam, the middle area of the second connecting beam is connected with the rear support, and the other end of the second connecting beam extends upwards and is connected with the vehicle body.
Furthermore, the front cross beam, the first cross beam, the reinforcing cross beam and the second connecting beam are all provided with liquid leakage holes.
According to the utility model discloses vehicle of second aspect embodiment includes: the battery pack described in the above embodiments.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a battery pack according to an embodiment of the present invention;
fig. 2 is a schematic view of a left or right longitudinal beam of a battery pack according to an embodiment of the present invention;
fig. 3 is another schematic diagram of a battery pack according to an embodiment of the present invention.
Reference numerals:
the battery pack 100 is provided with a battery pack,
the tray 10, the vehicle body attachment portion 20,
the frame 21, the left longitudinal beam 211a, the right longitudinal beam 211b, the body portion 2111, the first connecting portion 2112, the second connecting portion 2113, the rear bracket 212, the front cross beam 213, the first cross beam 22, the reinforcing cross beam 23, the first connecting beam 24, and the second connecting beam 25.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A battery pack 100 and a vehicle according to an embodiment of the present invention are described below with reference to fig. 1 to 3.
As shown in fig. 1 and 3, a battery pack 100 for a vehicle according to the present invention includes: a pallet 10 and a body attachment portion 20.
Wherein, the tray 10 is suitable for accommodating the battery module; the vehicle body attachment portion 20 includes: a frame 21 and a first cross member 22 provided on the frame 21, the frame 21 being connected to the pallet 10, the first cross member 22 being connected to the vehicle body.
Specifically, the tray 10 is formed by integrally forming a sheet metal part or a stamping part, a reinforcing structure is not required to be arranged on the tray 10 or the tray 10 is not required to be machined, the frame 21 is fixedly connected with the tray 10, the first cross beam 22 is arranged on the frame 21, and the first cross beam 22 is connected with a vehicle body.
It can be understood that the tray 10 is only used for bearing the battery module, and subsequent processing on the tray 10 is not needed, so that the flatness of the tray 10 is high, and the sealing performance is high; furthermore, the first cross beams 22 are connected with the vehicle body, so that the number and relative position relation of the first cross beams 22 can be adjusted according to the stress condition of the battery pack 100, and stress concentration at the mounting point of the whole vehicle of the battery pack 100 can be avoided.
According to the battery pack 100 provided by the embodiment of the utility model, by arranging the split type tray 10 and the vehicle body connecting part 20, on one hand, the flatness of the tray 10 is high, the sealing performance is good, the working stability of the battery pack 100 can be improved, the forming cost of the tray 10 is low, the development cost of the battery pack 100 can be reduced, and the space of the tray 10 for the battery pack 100 is small; on the other hand, the first cross beam 22 is connected with the vehicle body, so that stress concentration at the mounting point of the whole battery pack 100 can be avoided, and the fixing stability of the battery pack 100 on the vehicle body can be improved.
As shown in fig. 1, according to some embodiments of the present invention, the frame 21 includes: the left longitudinal beam 211a and the right longitudinal beam 211b, the rear bracket 212 positioned at one end of the left longitudinal beam 211a and the right longitudinal beam 211b on the same side, and the front cross beam 213 positioned at the other end of the left longitudinal beam 211a and the right longitudinal beam 211b on the same side; the first cross beams 22 are arranged in a plurality, and the first cross beams 22 are arranged between the rear bracket 212 and the front cross beam 213 and are fixedly connected with the left longitudinal beam 211a and the right longitudinal beam 211 b.
That is, the frame 21 includes left and right longitudinal beams 211a and 211b at left and right sides, and a rear bracket 212 and a front cross member 213 at front and rear sides, the rectangular frame 21 is configured to fix the tray 10, and the first cross member 22 is disposed between the rear bracket 212 and the front cross member 213 and fixed to the left and right longitudinal beams 211a and 211 b.
As a result, the structural strength of the vehicle body connecting portion 20 is increased, the connecting strength between the left side member 211a and the right side member 211b and the first cross member 22 is increased, and the load-bearing effect of the vehicle body connecting portion 20 can be improved, so that the battery module and the tray 10 can be stably and reliably borne by the vehicle body connecting portion 20, and the stability of fixing the battery pack 100 to the vehicle body can be improved.
It can be understood that both ends of the first cross member 22 and the front cross member 213 respectively protrude out of the left longitudinal member 211a and the right longitudinal member 211b, and are connected to the vehicle body. From this, through a plurality of first crossbeams 22 and front beam 213, make automobile body connecting portion 20 be connected with the automobile body through a plurality of mounting points in the left and right direction, when improving connection stability, make the distribution of atress between a plurality of mounting points more even, can avoid battery package 100 whole car mounting point to appear stress concentration's phenomenon to improve battery package 100's fixed stability.
As shown in fig. 1 and 3, in some embodiments, the method further includes: the reinforcing cross member 23 is provided in plurality, and is disposed between the rear bracket 212 and the first cross member 22, between two adjacent first cross members 22, and between the front cross member 213 and the first cross member 22. In this way, by providing the reinforcement cross member 23, the structural strength of the vehicle body connecting portion 20 can be effectively improved, so that the structural strength of the "lower case structure of the battery pack 100" defined by the vehicle body connecting portion 20 and the push tray is improved, so that the structural strength of the entire battery pack 100 is higher.
In the particular embodiment shown in fig. 2, each of the left and right stringers 211a, 211b comprises: a body portion 2111, a first connection portion 2112, and a second connection portion 2113, one end of the first connection portion 2112 being connected to the body portion 2111 and the other end being bent inward, the second connection portion 2113 including: one end of the connecting plate is connected with the main body portion 2111, and the other end of the connecting plate extends away from the main body portion 2111, one end of the bending plate is connected with the other end of the connecting plate, the other end of the bending plate is bent inward, the first connecting portion 2112 is attached to and connected to the tray 10, and the second connecting portion 2113 is attached to and connected to the front cross beam 213 or the first cross beam 22.
Specifically, the reinforcing beam 23 is attached to the tray 10, the first beam 22 and the front beam 213 are disposed slightly lower than the reinforcing beam 23, the body portion 2111 is provided with the first connection portion 2112 and the second connection portion 2113 having a height difference, and the body portion is connected to the tray 10 and the reinforcing beam 23 via the first connection portion 2112 and connected to the front beam 213 or the first beam 22 via the second connection portion 2113, whereby the stability of connection between the vehicle body connection portion 20 and the tray 10 and the structural strength of the vehicle body connection portion 20 itself can be improved.
In some embodiments, a first connecting beam 24 is further disposed on a side of the front cross beam 213 facing away from the frame 21, the first connecting beam 24 is connected to the vehicle body, the first connecting beam 24 is plural, and the plural first connecting beams 24 are disposed corresponding to the left longitudinal beam 211a and the right longitudinal beam 211b, respectively.
In this way, the first connecting member 24 is connected to the vehicle body in the front-rear direction, and the stability of fixing the battery pack 100 to the vehicle body can be further improved.
According to some embodiments of the present invention, further comprising: and a second connecting beam 25, one end of the second connecting beam 25 being connected to the reinforcing cross member 23, a middle region of the second connecting beam 25 being connected to the rear bracket 212, and the other end of the second connecting beam 25 extending upward and being connected to the vehicle body.
That is, the second connection beam 25 is configured as an "L" shaped beam, with a short arm fixed to the reinforcement beam 23 and the rear bracket 212 and a long arm extending upward and adapted to be connected to the vehicle body, facilitating the connection of the second connection beam 25 to the vehicle body, improving the reliability of the battery pack 100.
It is understood that the first cross member 22, the front cross member 213, and the reinforcing cross member 23 are all configured as "cross" shaped members, which can improve the load bearing effect of the vehicle body connecting portion 20, and the rear bracket 212 and the body portion 2111 are generally "U" shaped, which can make the connecting area of the vehicle body connecting portion 20 and the tray 10 be configured as a wrapping structure, further improving the structural strength of the battery pack 100.
Further, the front cross member 213, the first cross member 22, the reinforcing cross member 23, and the second connecting beam 25 are provided with liquid leakage holes. Thereby, the corrosion area of the front cross member 213, the first cross member 22, and the reinforcing cross member 23 is increased, and the liquid can be rapidly discharged, improving the corrosion resistance of the battery pack 100.
It should be noted that the mounting points on the first cross member 22, the front cross member 213, the first connecting beam 24, and the second connecting beam 25 are all constructed in a three-in-several structure and overlapped in parallel, and a cylindrical bushing is arranged outside the mounting hole, so that the structural strength of the mounting points is improved, the noise generated by the battery pack 100 can be reduced, and the welding between the vehicle body connecting portion 20 and the tray 10 is performed in a mode of welding after overlapping, so that the structural strength can be further improved.
According to the utility model discloses vehicle of second aspect embodiment includes: the battery pack 100 in the above embodiment.
According to the utility model discloses vehicle adopts above-mentioned battery package 100, and the technological effect that has is unanimous with above-mentioned battery package 100, and no longer redundant description here.
In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery pack (100) for a vehicle, comprising:
the tray (10), the said tray (10) is suitable for holding the battery module;
a vehicle body connection portion (20), the vehicle body connection portion (20) including: the tray comprises a frame (21) and a first cross beam (22) arranged on the frame (21), wherein the frame (21) is connected with the tray (10), and the first cross beam (22) is connected with a vehicle body.
2. The battery pack (100) of the vehicle according to claim 1, wherein the frame (21) includes: the left longitudinal beam (211a) and the right longitudinal beam (211b), a rear bracket (212) positioned at one end of the left longitudinal beam (211a) and the right longitudinal beam (211b) on the same side, and a front cross beam (213) positioned at the other end of the left longitudinal beam (211a) and the right longitudinal beam (211b) on the same side; wherein
The first cross beams (22) are arranged in a plurality, and the first cross beams (22) are arranged between the rear support (212) and the front cross beam (213) and fixedly connected with the left longitudinal beam (211a) and the right longitudinal beam (211 b).
3. The battery pack (100) of the vehicle according to claim 2, wherein both ends of the first cross member (22) and the front cross member (213) are respectively protruded from the left side member (211a) and the right side member (211b) and are connected to the vehicle body.
4. The battery pack (100) of the vehicle according to claim 2, further comprising: a plurality of reinforcing cross beams (23), wherein the reinforcing cross beams (23) are arranged between the rear bracket (212) and the first cross beam (22), between two adjacent first cross beams (22), and between the front cross beam (213) and the first cross beam (22).
5. The battery pack (100) of the vehicle according to claim 4, wherein the left side member (211a) and the right side member (211b) each include: a body portion (2111), a first connection portion (2112) and a second connection portion (2113), one end of the first connection portion (2112) being connected to the body portion (2111) and the other end being bent inward, the second connection portion (2113) including: the connecting plate and the bending plate are connected, one end of the connecting plate is connected with the body portion (2111), the other end of the connecting plate deviates from the body portion (2111) and extends, one end of the bending plate is connected with the other end of the connecting plate, the other end of the bending plate is bent inwards, the first connecting portion (2112) is attached to and connected with the tray (10), and the second connecting portion (2113) is attached to and connected with the front cross beam (213) or the first cross beam (22).
6. The battery pack (100) of the vehicle according to claim 2, wherein a side of the front cross member (213) facing away from the frame (21) is further provided with a first connecting beam (24), the first connecting beam (24) being connected with the vehicle body.
7. The battery pack (100) of the vehicle according to claim 6, wherein the first connecting beam (24) is provided in plurality, and the plurality of first connecting beams (24) are provided corresponding to the left side member (211a) and the right side member (211b), respectively.
8. The battery pack (100) of the vehicle according to claim 4, further comprising: a second connecting beam (25), one end of the second connecting beam (25) is connected with the reinforcing cross beam (23), the middle area of the second connecting beam (25) is connected with the rear support (212), and the other end of the second connecting beam (25) extends upwards and is connected with the vehicle body.
9. The battery pack (100) for the vehicle according to claim 8, wherein the front cross member (213), the first cross member (22), the reinforcing cross member (23), and the second connecting member (25) are each provided with a leakage hole.
10. A vehicle, characterized by comprising: the battery pack (100) of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721275.1U CN213007579U (en) | 2020-08-17 | 2020-08-17 | Battery pack for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721275.1U CN213007579U (en) | 2020-08-17 | 2020-08-17 | Battery pack for vehicle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213007579U true CN213007579U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021721275.1U Active CN213007579U (en) | 2020-08-17 | 2020-08-17 | Battery pack for vehicle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213007579U (en) |
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2020
- 2020-08-17 CN CN202021721275.1U patent/CN213007579U/en active Active
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