CN215680811U - Power battery system and electric automobile - Google Patents
Power battery system and electric automobile Download PDFInfo
- Publication number
- CN215680811U CN215680811U CN202121353994.7U CN202121353994U CN215680811U CN 215680811 U CN215680811 U CN 215680811U CN 202121353994 U CN202121353994 U CN 202121353994U CN 215680811 U CN215680811 U CN 215680811U
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- cover plate
- box body
- cross beam
- frame
- fixedly connected
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- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000010354 integration Effects 0.000 abstract description 5
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses a power battery system and an electric automobile, and relates to the field of power batteries, wherein the power battery system comprises a box body, a cover plate and a battery module; mounting cavities with openings facing to one side are arranged on the box body at intervals, and connecting grooves with openings facing to the opposite sides of the adjacent mounting cavities are formed between the adjacent mounting cavities; the cover plate seals the openings of the installation cavities; and battery modules are respectively arranged in the installation cavities. The electric automobile further comprises a frame, wherein the frame comprises a first cross beam, and the first cross beam extends into the connecting groove; the box body, the cover plate and the frame are fixedly connected into a whole, and the first cross beam is fixedly connected with the cover plate. The utility model has the advantages that: stress points are distributed more reasonably, the whole weight is reduced, and the integration level and the safety of the power battery system are improved.
Description
Technical Field
The utility model relates to the field of power batteries, in particular to a power battery system and an electric automobile.
Background
The trend of automobile electromotion is more and more obvious. The power battery system is a core component of an electric automobile, and is receiving attention. The power battery system casing is usually thick and solid, and is often fixed on the periphery with the frame, and a few also lay out individual tie points in the middle of the system. The stress points of the existing power battery system mechanically connected with a frame are unreasonably distributed, so that the related structural members are heavy, the safety of the power battery system and the whole vehicle is low, and the performance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power battery system and an electric automobile with more reasonable stress point distribution.
The utility model solves the technical problems through the following technical means: the power battery system comprises a box body (1), a cover plate (2) and a battery module (3); mounting cavities with openings facing to one side are arranged on the box body (1) at intervals, and connecting grooves (11) with openings facing to the opposite sides of the adjacent mounting cavities are formed between the adjacent mounting cavities; the cover plate (2) seals the openings of the installation cavities; the battery modules (3) are respectively arranged in the installation cavities. The crossbeam of frame can be connected in the spread groove, makes box, apron can regard as the partly of frame, and the structure sharing, the distribution of stress point is more reasonable, has reduced whole weight, has improved power battery system's integrated level and security.
As an optimized technical scheme, a flanging (12) is arranged on the periphery of the box body (1), and the flanging (12) is fixedly connected with the cover plate (2).
As an optimized technical scheme, the length direction of the connecting groove (11) extends from one side of the box body (1) to the other opposite side.
The electric automobile comprises the power battery system and further comprises a frame (4), wherein the frame (4) comprises a first cross beam (41), and the first cross beam (41) extends into the connecting groove (11); the box body (1), the cover plate (2) and the frame (4) are fixedly connected into a whole, and the first cross beam (41) is fixedly connected with the cover plate (2). The frame is structurally connected with the box body and the cover plate, so that the box body and the cover plate can be used as a part of the frame, the structure is shared, stress points are distributed more reasonably, the whole weight is reduced, and the integration level and the safety of the power battery system are improved.
As an optimized technical scheme, a plurality of bolts sequentially penetrate through the cover plate (2), the connecting groove (11) and the first cross beam (41), and the first cross beam (41) is fixedly connected with the cover plate (2). The box body, the cover plate and the frame are detachably and fixedly connected.
As an optimized technical scheme, the frame (4) further comprises second cross beams (42), the two second cross beams (42) are respectively positioned on the outer sides of two sides of the box body (1), and the second cross beams (42) are fixedly connected with the cover plate (2). Mechanical connection is added, and the integration level and the safety of the power battery system are further improved.
As an optimized technical scheme, a plurality of bolts sequentially penetrate through the cover plate (2), the flanging (12) and the second cross beam (42), and the second cross beam (42) is fixedly connected with the cover plate (2). The box body, the cover plate and the frame are detachably and fixedly connected.
As an optimized technical scheme, the length directions of the first cross beam (41) and the second cross beam (42) extend from one side of the box body (1) to the other opposite side.
As an optimized technical scheme, two sides of the first cross beam (41) are attached to two side walls of the connecting groove (11), and the side surface of the second cross beam (42) is attached to the side surface of the box body (1).
As an optimized technical scheme, the length direction of the first cross beam (41) is parallel to the length direction of the second cross beam (42).
The utility model has the advantages that: stress points are distributed more reasonably, the whole weight is reduced, and the integration level and the safety of the power battery system are improved.
Drawings
FIG. 1 is an exploded view of a power battery system and frame according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a power battery system and a vehicle frame according to an embodiment of the utility model.
FIG. 3 is a schematic cross-sectional view of a power battery system and frame according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the power battery system includes a case 1, a cover plate 2, and a battery module 3.
Mounting cavities with openings facing to one side are arranged on the box body 1 at intervals, connecting grooves 11 with openings facing to the opposite sides of the adjacent mounting cavities are formed between the adjacent mounting cavities, the length direction of each connecting groove 11 extends from one side of the box body 1 to the opposite side, and flanges 12 are arranged on the periphery of the box body 1; the cover plate 2 seals the openings of the installation cavities; the battery module 3 is an assembly of a plurality of power batteries connected in series and parallel, and the battery module 3 is placed in each mounting cavity.
The electric automobile comprises the power battery system and further comprises a frame 4, wherein the box body 1, the cover plate 2 and the frame 4 are fixedly connected into a whole.
The frame 4 includes a first cross member 41, a second cross member 42; the first beam 41 extends into the connecting groove 11, the length direction of the first beam 41 extends from one side of the box body 1 to the opposite other side, and two sides of the first beam 41 are attached to two side walls of the connecting groove 11; a plurality of bolts sequentially penetrate through the cover plate 2, the connecting groove 11 and the first cross beam 41 to fixedly connect the first cross beam 41 with the cover plate 2; the two second cross beams 42 are respectively positioned at the outer sides of two sides of the box body 1, the length direction of the second cross beams 42 extends from one side of the box body 1 to the opposite other side, and the side surfaces of the second cross beams 42 are attached to the side surfaces of the box body 1; a plurality of bolts sequentially penetrate through the cover plate 2, the flanging 12 and the second cross beam 42, the second cross beam 42 is fixedly connected with the cover plate 2, and the flanging 12 is fixedly connected with the cover plate 2; the length direction of the first cross member 41 is parallel to the length direction of the second cross member 42.
The working principle of the power battery system is as follows: the first cross beam 41 is structurally connected with the box body 1 and the cover plate 2, so that the box body 1 and the cover plate 2 can be used as a part of the frame 4, the structure is shared, the distribution of stress points is more reasonable, the whole weight is reduced, and the integration level and the safety of the power battery system are improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A power battery system, characterized in that: comprises a box body (1), a cover plate (2) and a battery module (3); mounting cavities with openings facing to one side are arranged on the box body (1) at intervals, and connecting grooves (11) with openings facing to the opposite sides of the adjacent mounting cavities are formed between the adjacent mounting cavities; the cover plate (2) seals the openings of the installation cavities; the battery modules (3) are respectively arranged in the installation cavities.
2. The power cell system of claim 1, wherein: the periphery of the box body (1) is provided with a flanging (12), and the flanging (12) is fixedly connected with the cover plate (2).
3. The power cell system of claim 1, wherein: the length direction of the connecting groove (11) extends from one side of the box body (1) to the opposite side.
4. An electric vehicle, characterized in that: comprising a power cell system according to any of claims 1-3, further comprising a vehicle frame (4), said vehicle frame (4) comprising a first beam (41), said first beam (41) extending into said connection slot (11); the box body (1), the cover plate (2) and the frame (4) are fixedly connected into a whole, and the first cross beam (41) is fixedly connected with the cover plate (2).
5. The electric vehicle according to claim 4, characterized in that: a plurality of bolts pass through in proper order apron (2), spread groove (11), first crossbeam (41), with first crossbeam (41) with apron (2) fixed connection.
6. The electric vehicle according to claim 4, characterized in that: the frame (4) further comprises second cross beams (42), the two second cross beams (42) are respectively located on the outer sides of two sides of the box body (1), and the second cross beams (42) are fixedly connected with the cover plate (2).
7. The electric vehicle according to claim 6, characterized in that: the bolts sequentially penetrate through the cover plate (2), the flanging (12) and the second cross beam (42) to fixedly connect the second cross beam (42) with the cover plate (2).
8. The electric vehicle according to claim 6, characterized in that: the length directions of the first cross beam (41) and the second cross beam (42) extend from one side of the box body (1) to the other opposite side.
9. The electric vehicle according to claim 6, characterized in that: the two sides of the first cross beam (41) are attached to the two side walls of the connecting groove (11), and the side face of the second cross beam (42) is attached to the side face of the box body (1).
10. The electric vehicle according to claim 6, characterized in that: the length direction of the first beam (41) is parallel to the length direction of the second beam (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353994.7U CN215680811U (en) | 2021-06-17 | 2021-06-17 | Power battery system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353994.7U CN215680811U (en) | 2021-06-17 | 2021-06-17 | Power battery system and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680811U true CN215680811U (en) | 2022-01-28 |
Family
ID=79975652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353994.7U Active CN215680811U (en) | 2021-06-17 | 2021-06-17 | Power battery system and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680811U (en) |
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2021
- 2021-06-17 CN CN202121353994.7U patent/CN215680811U/en active Active
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