CN207542291U - Battery case, battery system and electric vehicle - Google Patents
Battery case, battery system and electric vehicle Download PDFInfo
- Publication number
- CN207542291U CN207542291U CN201721184567.4U CN201721184567U CN207542291U CN 207542291 U CN207542291 U CN 207542291U CN 201721184567 U CN201721184567 U CN 201721184567U CN 207542291 U CN207542291 U CN 207542291U
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- CN
- China
- Prior art keywords
- lower box
- upper cover
- battery
- electric vehicle
- battery case
- 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
- 238000007789 sealing Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000010959 steel 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery case, battery system and electric vehicle.Wherein, battery case includes：Lower box, upper cover, circular connector and connector.The upper end of the lower box is openend, and the upper cover is removably covered on the openend；The lower box and upper cover correspondence offer through-hole, and the circular connector is placed between lower box described in the upper cover and corresponding with the lead to the hole site, and the both ends of the circular connector are connected respectively with the upper cover and the lower box；The connector is arranged in the inside of the circular connector and is connected with the electric vehicle car body.During installation, connector is connected after being arranged in connector with automobile chassis, with in the prior art only by lower box surrounding compared with the bolted mode of automobile chassis, the utility model enhances the reliability that battery system is connect with vehicle, is effectively guaranteed traffic safety.
Description
Technical Field
The utility model relates to an electric automobile technical field particularly, relates to a battery case, battery system and electric automobile.
Background
With the increasing severity of environmental pollution and shortage of petroleum problem resources, new energy electric vehicles are highly valued by countries in the world. The power battery system is used as a power source of the electric automobile, is a core component of the electric automobile, and the mechanical safety of the power battery system is very important for the whole automobile. Meanwhile, because the power battery system has a large volume and a large weight, most of the existing installation modes are that the periphery of the power battery system is fixed below a chassis of the whole vehicle by using large bolts, the fixing mode is simple and easy to operate and is the mainstream installation mode of the existing power battery pack, but the mode is used for the power battery system with a large weight and a large plane area, especially for a battery pack with a large plane area, such as a pure electric vehicle with a large endurance mileage, the power battery system has a large volume and a large weight compared with the general electric vehicle battery system, if the power battery system is fixed with the chassis of the whole vehicle only through the periphery, the fixed installation of the power battery system is difficult to ensure, the firmness and the reliability, and the mechanical safety of the whole battery pack has risks. In addition, the plane of the whole battery system is large, so that the mode of the battery system box is not ideal.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a battery case, battery system and electric automobile aims at solving among the prior art battery system and the fixed mode of whole car chassis and has the problem of potential safety hazard.
In one aspect, the utility model provides an electric automobile battery case, this battery case includes: the lower box body, the upper cover, the annular connecting body and the connecting piece; the upper end of the lower box body is an open end, and the upper cover is detachably arranged at the open end; the lower box body and the upper cover are correspondingly provided with through holes, the annular connecting body is arranged between the upper cover and the lower box body and corresponds to the through holes, and two ends of the annular connecting body are respectively connected with the upper cover and the lower box body; the connecting piece is arranged inside the annular connecting body in a penetrating mode and is connected with the electric automobile body.
Furthermore, in the battery case of the electric vehicle, two ends of the annular connecting body are connected with the upper cover and the lower case body through flanges.
Furthermore, in the battery shell of the electric automobile, sealing rings are respectively arranged between the flanges at the two ends of the annular connecting body and the flanges of the upper cover and the lower box body in a cushioning manner.
Further, in the battery case of the electric vehicle, the connecting member is a bolt.
Further, in the battery case of the electric vehicle, the annular connecting body is a sleeve.
Further, in the battery case of the electric vehicle, the annular connector is a metal annular connector; the flanges at the two ends of the annular connecting body and the flanges on the upper cover and the lower box body are metal flanges.
Further, in the battery case of the electric vehicle, the annular connecting body is arranged close to the central axis of the lower case body.
Furthermore, in the battery shell of the electric automobile, a connecting hole for connecting with a bolt of an automobile body is formed in the outer edge of the lower box body.
The utility model discloses set up the annular connector that runs through overall structure between box and upper cover down, during the installation, the connecting piece is worn to locate and is connected with vehicle chassis behind the connector, compares with the mode of only through box down with vehicle chassis bolted connection all around among the prior art, and this embodiment has strengthened the reliability that battery system and whole car are connected, has guaranteed driving safety effectively.
On the other hand, the utility model also provides a battery system, this system includes: any one of the above battery cases and a battery body disposed in the battery case.
Since the battery case has the above-described effects, the battery system having the battery case also has corresponding technical effects.
In another aspect, the present invention further provides an electric vehicle, wherein any one of the battery systems is provided.
Since the battery system has the above effects, the electric vehicle having the battery system also has corresponding technical effects.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a cross-sectional view of a battery case of an electric vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a lower box body of a battery case of an electric vehicle according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a lower box body of a battery case of an electric vehicle according to an embodiment of the present invention;
fig. 4 is a schematic view of an overall structure of a battery case of an electric vehicle according to an embodiment of the present invention;
fig. 5 is an enlarged view of a position a in fig. 2.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Battery case embodiment:
referring to fig. 1 to 4, schematic structural diagrams of a battery case of an electric vehicle according to the present embodiment are shown. As shown, the housing includes: a lower box body 1, an upper cover 2, an annular connecting body 3 and a connecting piece 4.
Wherein, the upper end of lower box 1 is the open end, and upper cover 2 detachably lid is located the open end. In specific implementation, the upper cover 2 and the lower box body 1 can be connected through bolts. The space enclosed by the lower box body 1 and the upper cover 2 is used for placing the battery body.
The lower box body 1 and the upper cover 2 are correspondingly provided with through holes, the annular connecting body 3 is arranged between the upper cover 2 and the lower box body 1 and corresponds to the through holes on the upper cover 2 and the lower box body 1, and two ends of the annular connecting body 3 are respectively connected with the upper cover 2 and the lower box body 1. During specific implementation, the annular connector 3 can be of a circular sleeve structure, and two ends of the annular connector 3 can be connected with the upper cover 2 and the lower box body 1 through flanges.
It should be noted that, in specific implementation, the number of the through holes formed in the lower case 1 and the upper cover 2 may be determined according to actual situations, and may be one, two, or multiple.
The connecting piece 4 is arranged inside the annular connecting body 3 in a penetrating mode and is connected with the electric automobile body. In specific implementation, the connecting member 4 may be a bolt, and of course, may also be other connecting structures known to those skilled in the art, and this embodiment does not limit it at all. Depending on the installation position of the battery, the connection 4 can be connected to the vehicle chassis.
It can be seen that, in the embodiment, the annular connector 3 penetrating through the whole structure is arranged between the lower box body 1 and the upper cover 2, and during installation, the connecting piece 4 is connected with the automobile chassis after penetrating through the connector 3.
In the above embodiment, the annular connector 3 is disposed near the central axis of the lower case 1, so that the annular connector 3 is located in the middle of the battery case, and can also support the upper cover 2, so that the modal of the upper cover 2 of the battery is better.
With continued reference to fig. 1, sealing rings 5 are respectively disposed between the flanges at the two ends of the annular connector 3 and the flanges of the upper cover 2 and the lower case 1, so as to ensure the sealing performance of the space surrounded by the lower case 1 and the upper cover 2 and used for placing the battery body. During concrete implementation, sealing washer 5 can select for use silicon rubber or the cotton material that has certain compression volume of silicon bubble etc. to have seted up installation blind hole 12 along circumference on the flange that is used for being connected with annular connector 3 on lower box 1, have the screw thread in the installation blind hole 12 or add the cast steel silk thread bush, there is the seal groove to lay the sealing washer installation blind hole 12 inboard, through connecting piece 4 with annular connector 3 and lower box 1 fastening connection, annular connector 3 and lower box 1 pass through the power compression sealing washer of connecting piece 4 and guarantee the leakproofness between annular connector 3 and lower box 1. Similarly, the sealing between the upper end of the annular connector 3 and the upper cover 2 is also achieved by forming a blind mounting hole in the flange, which is not described in detail herein.
Since the annular connecting body 3 and the connecting flange at the end portion need to bear the force for mounting the battery system and the entire chassis, the annular connecting body 3 and the flange are preferably made of metal. Specifically, the annular connecting body 3 is a metal annular connecting body, and flanges at both ends of the annular connecting body 3 and flanges on the upper cover 2 and the lower case 1 are metal flanges, such as aluminum or steel.
In the above embodiments, the outer edge 11 of the lower box 1 may further be provided with a connection hole 111 for bolting with an automobile chassis, so that the periphery of the lower box 1 is fixed with the automobile chassis, and the reliability of fixing the battery system is further enhanced.
To sum up, this embodiment strengthens the installation reliability with whole car through the mounting means who increases the annular connector in the middle of the battery system, guarantees driving safety.
Battery system embodiment:
the embodiment also provides a battery system, which comprises any one of the battery shells and a battery body arranged in the battery shell. The specific structure of the battery case may be as in the above embodiments, and the details of the embodiment are not repeated herein.
Since the battery case has the above-described effects, the battery system having the battery case also has corresponding technical effects.
The embodiment of the electric automobile:
the embodiment also provides an electric automobile which is provided with any one of the battery systems.
Since the battery system has the above effects, the electric vehicle having the battery system also has corresponding technical effects.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An electric vehicle battery case comprising: the lower box body (1) and the upper cover (2) are characterized by also comprising an annular connecting body (3) and a connecting piece (4); wherein,
the upper end of the lower box body (1) is an open end, and the upper cover (2) is detachably arranged at the open end;
the lower box body (1) and the upper cover (2) are correspondingly provided with through holes, the annular connecting body (3) is arranged between the upper cover (2) and the lower box body (1) and corresponds to the through holes in position, and two ends of the annular connecting body (3) are respectively connected with the upper cover (2) and the lower box body (1);
the connecting piece (4) penetrates through the annular connecting body (3) and is connected with an electric automobile body.
2. The battery case of an electric vehicle according to claim 1, wherein both ends of the annular connecting body (3) are connected to the upper cover (2) and the lower case (1) by flanges.
3. The battery shell of the electric automobile according to claim 2, characterized in that sealing rings (5) are arranged between the flanges at the two ends of the annular connecting body (3) and the flanges of the upper cover (2) and the lower box body (1).
4. The electric vehicle battery case according to any one of claims 1 to 3, characterized in that the connection member (4) is a bolt.
5. The electric vehicle battery case according to any one of claims 1 to 3, characterized in that the annular connection body (3) is a sleeve.
6. The battery case of an electric vehicle according to claim 5,
the annular connector (3) is a metal annular connector;
the flanges at the two ends of the annular connecting body (3) and the flanges on the upper cover (2) and the lower box body (1) are metal flanges.
7. The battery case of an electric vehicle according to claim 5,
the annular connecting body (3) is arranged close to the central axis of the lower box body (1).
8. The battery shell of the electric automobile according to any one of claims 1 to 3, wherein the outer edge (11) of the lower case (1) is provided with a connecting hole (111) for bolting with an automobile body.
9. A battery system, comprising: the battery case according to any one of claims 1 to 7, and a battery body disposed within the battery case.
10. An electric vehicle, characterized in that the battery system according to claim 9 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184567.4U CN207542291U (en) | 2017-09-15 | 2017-09-15 | Battery case, battery system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184567.4U CN207542291U (en) | 2017-09-15 | 2017-09-15 | Battery case, battery system and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542291U true CN207542291U (en) | 2018-06-26 |
Family
ID=62607974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721184567.4U Active CN207542291U (en) | 2017-09-15 | 2017-09-15 | Battery case, battery system and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207542291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598324A (en) * | 2018-06-05 | 2018-09-28 | 华霆（合肥）动力技术有限公司 | Battery case and electric vehicle |
| WO2020140409A1 (en) * | 2019-01-03 | 2020-07-09 | 广州小鹏汽车科技有限公司 | Battery box structure and electric vehicle |
-
2017
- 2017-09-15 CN CN201721184567.4U patent/CN207542291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598324A (en) * | 2018-06-05 | 2018-09-28 | 华霆（合肥）动力技术有限公司 | Battery case and electric vehicle |
| WO2020140409A1 (en) * | 2019-01-03 | 2020-07-09 | 广州小鹏汽车科技有限公司 | Battery box structure and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181126 Address after: 244002 695 north section of Taishan Avenue, Tongling economic and Technological Development Zone, Anhui Patentee after: Anhui Singularity Intelligent New Energy Automobile Co.,Ltd. Address before: Room 3704, 868 Jinqi Road, Fengxian District, Shanghai, 201403 Patentee before: ZHICHE YOUXING TECHNOLOGY (SHANGHAI) Co.,Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230327 Granted publication date: 20180626 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230627 Granted publication date: 20180626 |