CN216268644U - Battery package mounting structure and electric motor car of electric motor car - Google Patents
Battery package mounting structure and electric motor car of electric motor car Download PDFInfo
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- CN216268644U CN216268644U CN202022890921.3U CN202022890921U CN216268644U CN 216268644 U CN216268644 U CN 216268644U CN 202022890921 U CN202022890921 U CN 202022890921U CN 216268644 U CN216268644 U CN 216268644U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to the field of battery pack installation of electric vehicles, and discloses a battery pack installation structure of an electric vehicle and the electric vehicle. The technical scheme provided by the utility model is beneficial to improving the stability of the electric vehicle and enhancing the safety of the battery pack when the electric vehicle has side collision and frontal collision accidents.
Description
Technical Field
The utility model relates to the field of battery pack installation of electric vehicles, in particular to a battery pack installation structure of an electric vehicle, and further relates to an electric vehicle.
Background
For the existing electric vehicle, a battery pack for supplying power to electric equipment in the electric vehicle is generally arranged below a vehicle body floor and is connected with the vehicle body through a plurality of mounting seats arranged around the battery pack. For example, chinese patent application No. CN201810469579.4 discloses a battery pack mounting structure for an electric vehicle, wherein a battery pack is disposed at a lower portion of a front floor of the electric vehicle, battery pack fixing lugs extending outward are disposed around the battery pack, the front fixing lugs disposed at a front end of the battery pack are fixedly connected to a rear section of a front side member of a vehicle body structure, side fixing lugs disposed at left and right sides of the battery pack are fixedly connected to an inner threshold of the vehicle body, and rear fixing lugs disposed at a rear end of the battery pack are fixedly connected to a rear torsion beam mounting plate of the vehicle body structure.
The inventor of the present application finds the following technical defects in the prior art: 1) the connection of the battery pack and the automobile body is only realized by a plurality of fixing points, when the automobile is collided by the side face, the force transmission point between the battery pack and the automobile body is only the fixing point, so that the failure of the fixing point of the battery pack is easily caused, and the battery pack is damaged to cause serious hidden danger. 2) The battery pack arranged in this way is actually divided into two independent part systems with the battery pack and the vehicle body, and only one battery pack can be used for each vehicle type, so that research, development and production cost are increased. 3) The cost of maintenance and replacement is higher after the battery pack breaks down.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to overcome, at least to some extent, one of the above technical problems of the prior art. The technical scheme is favorable for improving the stability of the electric vehicle and enhancing the safety of the battery pack when the electric vehicle has side collision and frontal collision accidents.
In order to achieve the above object, a first aspect of the present invention provides a battery pack mounting structure of an electric vehicle, the battery pack mounting structure including a first beam structure arranged in a first direction and a second beam structure arranged in a second direction, wherein the first beam structure and the second beam structure are connected to each other to enclose a battery pack receiving space for wrapping a battery pack in a circumferential direction of the battery pack.
Preferably, the first beam structure is a longitudinal beam parallel to the longitudinal direction of the body of the electric vehicle, and the second beam structure is a transverse beam perpendicular to the longitudinal direction of the body of the electric vehicle; the longitudinal beams and the cross beams are connected with each other to form a plurality of battery pack accommodating spaces capable of respectively wrapping a plurality of battery packs in the circumferential direction of the battery packs.
Preferably, the longitudinal beam and/or the cross beam are/is provided with mounting holes for mounting the battery pack; and the transverse beam and/or the longitudinal beam are/is provided with positioning holes for positioning the battery pack.
Preferably, the cross beams corresponding to the two sides of the battery pack accommodating space are respectively and fixedly connected with a front frame and a rear frame of the electric vehicle.
Preferably, the frame formed by connecting the longitudinal beams and the transverse beams with each other is fixed on the lower side of the body floor of the electric vehicle and is fixedly connected with the body floor.
Preferably, a plug connector used for electrically connecting the electric equipment of the electric vehicle is arranged in the battery pack accommodating space, and the plug connector can be connected with the output end of the battery pack in a plug-in manner, so that the battery pack supplies power to the electric equipment.
Preferably, the longitudinal beams and the transverse beams are connected with each other to enclose a plurality of battery pack accommodating spaces capable of respectively wrapping a plurality of battery packs in the circumferential direction of the battery packs; the plug connectors comprise a plurality of input end plug connectors which are respectively arranged in the plurality of battery accommodating spaces and output end plug connectors which are used for electrically connecting electric equipment of the electric vehicle; the input end plug connectors are used for respectively corresponding to the output ends of the plug-in connection of the battery packs, and the input end plug connectors are electrically connected with the output end plug connectors.
Preferably, the output end plug connector penetrates through the vehicle body floor and is connected with the vehicle body floor in a sealing mode.
Based on the battery pack mounting structure of the electric vehicle provided by the first aspect of the utility model, the second aspect of the utility model provides an electric vehicle, which comprises a battery pack mounting structure and a battery pack mounted in the battery pack mounting structure; wherein the battery pack mounting structure is a battery pack mounting structure of an electric vehicle according to a first aspect of the utility model.
Preferably, the longitudinal beam and/or the cross beam are/is provided with mounting holes for mounting the battery pack, mounting plates extending outwards are formed at the outer edge parts of the battery pack, and the battery pack is mounted in the battery pack accommodating space through connecting pieces penetrating through the mounting plates and inserted into the mounting holes;
the battery pack mounting structure is characterized in that positioning holes for positioning the battery pack are formed in the cross beam and/or the longitudinal beam, and positioning pins inserted into the positioning holes are formed in one side, facing the cross beam and/or the longitudinal beam, of the mounting plate.
The technical scheme provided by the utility model has the following beneficial effects:
because battery package mounting structure includes the first beam structure who arranges along the first direction and the second beam structure who arranges along the second direction, just first beam structure with second beam structure connects each other, forms battery package accommodation space, can wrap up including the battery package accommodation space through this battery package accommodation space, makes the battery package receive the parcel and the protection of first beam structure and second beam structure, no matter the vehicle takes place horizontal impact or vertical impact, the whole frame of battery package can both participate in biography power, can both play good protection to the battery package, has strengthened the security of battery package when the electric motor car takes place the side and bumps and just collide the accident.
In addition, the first beam structure and the second beam structure are connected in a cross mode, good connection can be formed in two directions, and the first beam structure and the second beam structure can support each other, so that the stability of the electric vehicle can be improved.
Some other technical effects of the present invention will be further described in the following detailed description, and some other technical effects will be more specifically embodied in the implementation process of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of a battery pack mounting structure and a battery pack provided in an embodiment of the present invention;
fig. 2 is an exploded view of a battery pack mounting structure provided in an embodiment of the present invention;
fig. 3 is a schematic bottom structure view of a battery pack mounting structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a single battery pack provided in an embodiment of the present invention;
fig. 5 is a schematic structural view illustrating three battery packs electrically connected to each other according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the plug connector according to the embodiment of the present invention.
Description of the reference numerals
1-a battery pack; 2-a front frame; 3-rear frame; 5-plug connector; 101-a through hole; 102-a locating pin; 103-a plug-in connector; 401-vehicle body floor; 402-longitudinal beam; 403-a cross beam; 404-mounting holes; 405-positioning holes; 501-outer casing of plug connector; 502-input terminal plug-in unit; 503-output terminal plug connector; 504-bus bar.
Detailed Description
In the embodiments of the present invention, the use of directional terms such as "upper, lower, left, right" generally means upper, lower, left, right with reference to the accompanying drawings, unless otherwise specified. "inner and outer" refer to the inner and outer contours of the component itself.
Referring to fig. 1 to 6, a first aspect of an embodiment of the present invention provides a battery pack mounting structure for an electric vehicle, the battery pack mounting structure including a first beam structure arranged in a first direction and a second beam structure arranged in a second direction, wherein the first beam structure and the second beam structure are connected to each other so as to enclose a battery pack accommodating space for wrapping a battery pack 1 in a circumferential direction of the battery pack 1. Because the battery pack 1 is wrapped and protected by the first beam structure and the second beam structure, no matter a vehicle is transversely impacted or longitudinally impacted, the whole frame of the battery pack 1 can participate in force transmission, the battery pack 1 can be well protected, and the safety of the battery pack 1 in the event of side impact and frontal collision accidents of the electric vehicle is enhanced.
In addition, the first beam structure and the second beam structure are connected with each other in a crossing manner, and can be well connected and mutually supported from two directions, so that the stability of the electric vehicle is improved.
In a preferred embodiment of the present invention, the first beam structure is a longitudinal beam 402 parallel to a longitudinal direction of a body of the electric vehicle, the second beam structure is a transverse beam 403 perpendicular to the longitudinal direction of the body of the electric vehicle, and the longitudinal beam 402 and the transverse beam 403 are connected to each other to enclose a battery pack accommodating space for wrapping the battery pack 1 in a circumferential direction of the battery pack 1.
The battery pack mounting structure may be a component of the electric vehicle, that is, before the electric vehicle leaves a factory, the battery pack mounting structure may be used as a part of the electric vehicle and processed or assembled with other parts of the electric vehicle. Or the electric vehicle can be formed independently of the electric vehicle body, and is mounted below the body floor 401 of the electric vehicle at a later stage after the electric vehicle is manufactured.
Since the battery pack mounting structure includes the cross member 403 and the longitudinal member 402, and the cross member 403 and the longitudinal member 402 are connected to each other to form a battery pack accommodating space; therefore, the electric vehicle can form good connection and mutual support no matter in the transverse direction or the longitudinal direction, and the stability of the electric vehicle is favorably improved;
in addition, the battery pack 1 can be wrapped in the battery pack accommodating space through the battery pack accommodating space, so that the battery pack 1 is wrapped and protected by the cross beam 403 and the longitudinal beam 402, no matter a vehicle is transversely impacted or longitudinally impacted, the whole frame of the battery pack 1 can participate in force transmission, the battery pack 1 can be well protected, and the safety of the battery pack 1 in the event of side impact and frontal impact of the electric vehicle is enhanced.
As described above, the battery pack mounting structure may be integrally formed with other components of the electric vehicle, or may be separately formed and then assembled below the body floor 401 of the electric vehicle at a later stage. In a preferred embodiment of the utility model, the battery pack mounting structure is integrally processed with other parts of the electric vehicle. Specifically, as shown in fig. 1, the cross beams 403 corresponding to the two sides of the battery pack accommodating space are respectively and fixedly connected to the front frame 2 and the rear frame 3 of the electric vehicle. That is, the cross member 403 and the side members 402 not only form an accommodation space for accommodating the battery pack 1, but also serve as a part of a lower body of a body frame of the electric vehicle for bearing the weight of the vehicle body.
The fixed connection between the cross beam 403 and the front frame 2 or the rear frame 3 may be various, and in a preferred embodiment of the present invention, the cross beam 403 is welded to the front frame 2 or the rear frame 3. That is, the cross member 403, the front frame 2, and the rear frame 3 are all made of metal. Preferably, the longitudinal beam 402 is also made of metal. By processing the metal materials into the cross beam 403 and the longitudinal beam 402, when a vehicle is impacted, stress can be better transmitted, the rigidity of the whole vehicle is improved, and the safety of the vehicle is improved.
Further, in order to better bear the weight of the vehicle body and improve the stability of the vehicle body, in a preferred embodiment of the utility model, a frame formed by connecting the longitudinal beams 402 and the cross beams 403 with each other is fixed on the lower side of the vehicle body floor 401 of the electric vehicle and is fixedly connected with the vehicle body floor 401. Thus, the weight of the vehicle body floor 401 can be borne by the frame formed by the cross member 403 and the side member 402. In the preferred embodiment of the present invention, the vehicle body floor 401 covers the rectangular frame formed by the cross member 403 and the side member 402, and is connected with the rectangular frame in a sealing manner to seal the rectangular frame. The rectangular frame can bear the weight of the vehicle body floor 401, and the front frame 2 and the rear frame 3 on both sides of the rectangular frame can bear the weight of other parts of the electric vehicle.
In the preferred embodiment of the present invention, the vehicle body floor 401 includes a metal plate, and the accommodation space of the battery pack 1 is defined by the metal plate, the cross member 403, and the side member 402. When a vehicle is impacted by an external force on one side, the impact force is firstly transmitted to the bottom of the battery pack 1 along the nearest cross beam 403 or side beam 402, and the vehicle body floor 401 at the bottom of the battery pack 1 is made of metal, so that the impact force can be effectively supported and transmitted to the other side. In the collision process, only the vehicle body is stressed, and the mounting structure of the battery pack 1 participates in sharing the stress, so that the rigidity of the whole vehicle is greatly improved, and the safety problem of vehicle collision is improved.
In another preferred embodiment of the present invention, in order to increase the flexibility of the arrangement of the battery packs 1, the longitudinal beams 402 and the cross beams 403 are connected to each other to enclose a plurality of battery pack accommodating spaces capable of respectively wrapping a plurality of the battery packs 1 in the circumferential direction thereof; namely, a battery pack 1 is wrapped in each battery pack accommodating space, and each electric vehicle can be provided with a plurality of battery packs 1, so that the installation quantity of the battery packs 1 can be flexibly selected according to the requirements of different endurance and different electric quantities of the electric vehicle, and the requirements of different endurance mileage are met. This means, through the technical scheme provided by the embodiment of the utility model, for electric vehicles of different vehicle types, only one type of battery pack 1 can be used, thereby reducing the research and development and production costs of the electric vehicle.
In the above-described embodiment, the arrangement of the cross members 403 and the longitudinal members 402, which can form a plurality of battery pack accommodating spaces, is various. For example, the battery pack mounting structure includes two longitudinal members 402 and a plurality of cross members 403, the plurality of cross members 403 are connected between the two longitudinal members 402, and the cross members 403 are parallel to and spaced apart from each other, whereby the battery pack 1 can be mounted transversely within a rectangular frame formed by the cross members 403 and the longitudinal members 402, at which time the longitudinal direction of the battery pack 1 is perpendicular to the longitudinal direction of the vehicle body. As another example, referring to fig. 1 to 3, the battery pack mounting structure includes two cross members 403 and a plurality of longitudinal members 402, the plurality of longitudinal members 402 are connected between the two cross members 403, and the longitudinal members 402 are parallel to and spaced apart from each other, and a longitudinal direction of a plurality of battery pack accommodating spaces formed are parallel to a longitudinal direction of a body of the electric vehicle, in this case, a longitudinal direction of the battery pack 1 is also parallel to the longitudinal direction of the body of the electric vehicle.
In order to facilitate the quick replacement of the battery pack 1 when a failure occurs in one of the plurality of battery packs 1. In a preferred embodiment of the present invention, the plug-in unit 5 is disposed in the battery pack accommodating space, the plug-in unit 5 can be connected to the battery pack 1 in a plug-in manner, and the plug-in unit 5 is connected to the electric equipment of the electric vehicle, so that the battery pack 1 can be installed in the battery pack accommodating space in a quick plug-in manner when the battery pack 1 is installed.
To meet this object, referring to fig. 3 to 5, in a preferred embodiment of the present invention, the longitudinal beams 402 and the cross beams 403 are connected to each other to enclose a plurality of battery pack receiving spaces capable of respectively housing a plurality of battery packs 1; the plug connector 5 comprises a plurality of input end plug connectors 502 which are respectively arranged in the plurality of battery pack accommodating spaces, and an output end plug connector 503 which is used for electrically connecting the electric equipment of the electric vehicle; the plurality of input end connectors 502 are used for corresponding to the output ends of the plurality of battery packs 1 in a plug-in connection respectively, and the plurality of input end connectors 502 are electrically connected to the output end connectors 503 through a bus bar 504, for example.
Taking a rectangular battery pack 1 as an example, since the output end of the battery pack 1 is generally formed on the side where the wide side of the battery pack 1 is located, when the longitudinal installation direction of the battery pack 1 is selected to be parallel to the longitudinal direction of the body of the electric vehicle, the input end connector 502 and the output end connector 503 are provided on the side where the cross beam 403 of the battery pack installation structure is located. The input terminal connector 502 is perpendicular to the vehicle body floor 401 and extends toward a direction away from the vehicle body floor 401, so that when the battery pack 1 is mounted, the output terminal of the battery pack 1 is aligned with the input terminal connector 502 for insertion, and therefore the battery pack 1 can be electrically connected with the input terminal connector 502. Since the input terminal connector 502 is electrically connected to the output terminal connector 503 through the bus bar 504, and the output terminal connector 503 is used to electrically connect the electric devices of the electric vehicle, the battery pack 1 can supply power to the electric devices in the electric vehicle after the battery pack 1 is mounted.
Referring to fig. 3, in a specific embodiment, the battery pack installation structure includes three battery pack receiving spaces, each of the battery pack receiving spaces can be installed with one battery pack 1, and each of the battery pack receiving spaces is provided with an input terminal connector 502, and therefore, includes a first input terminal connector 502, a second input terminal connector 502, and a third input terminal connector 502. Since each battery pack 1 has two output terminals of a positive electrode and a negative electrode, four busbars 504 are provided, a first busbar 504 electrically connects the positive electrode of the first input terminal connector 502 with the positive electrode of the output terminal connector 503, a second busbar 504 electrically connects the negative electrode of the first input terminal connector 502 with the negative electrode of the output terminal connector 503, a third busbar 504 electrically connects the positive electrode of the second input terminal connector 502 with the positive electrode of the output terminal connector 503, and a fourth busbar 504 electrically connects the negative electrode of the second input terminal connector 502 with the negative electrode of the output terminal connector 503. The positive and negative poles of the middle third input terminal connector 502 are respectively and directly electrically connected with the positive and negative poles of the output terminal connector 503. The electric quantity of the three battery packs 1 is output outwards by the output end plug-in unit 503, thereby realizing the functions of driving the electric vehicle and the like. In some embodiments, the output connector 503 may be configured to have an interface capable of directly connecting the output of the battery pack 1 in a plug-in manner, and thus, the third independently provided third input connector 502 may be omitted.
Preferably, the output end plug 503 penetrates through the vehicle body floor 401 and is connected with the vehicle body floor 401 in a sealing manner, so that all high-voltage connections can be guaranteed in a sealing manner, and the safety of the whole electric vehicle is improved.
In order to improve the use safety of the battery pack installation structure, the outer side of the plug connector 5 is provided with an insulating outer shell 501, the bus bar 504 is arranged inside the insulating outer shell 501, and the input end plug connector 502 and the output end plug connector 503 extend from the inside of the insulating outer shell 501 to the outside of the insulating outer shell 501 so as to be connected with the battery pack 1 in a plugging and unplugging manner. As shown in fig. 3 and 5, the insulating outer case 501 is disposed along a cross member 403 of the battery pack mounting structure, may be in close contact with the cross member 403, and is formed with a groove for mounting the longitudinal member 402. This can improve the compactness of the battery pack mounting structure.
In the preferred embodiment of the present invention, in order to achieve accurate and rapid docking of the output terminal of the battery pack 1 and the plug 5 when the battery pack 1 is mounted, the replacement efficiency of the battery pack 1 is improved. The cross beam 403 and/or the longitudinal beam 402 are provided with positioning holes 405 for positioning the battery pack 1, and the battery pack 1 is provided with positioning pins 102 capable of being inserted into the positioning holes 405. When the battery pack 1 is installed, the positioning pin 102 is aligned to the positioning hole 405, so that the output end of the battery pack 1 can be quickly butted with the plug connector 5.
In specific implementation, after the battery pack 1 is embedded into the battery pack accommodating space below the vehicle body floor 401 from bottom to top, the battery pack 1 and the battery pack mounting structure need to be fixed together to stabilize the mounting position of the battery pack 1. The fixing means may be various, and in a preferred embodiment of the present invention, the battery pack 1 is fixed to the battery pack mounting structure by a connector. Specifically, the longitudinal beam 402 and/or the cross beam 403 are provided with mounting holes 404 for mounting the battery pack 1; the battery pack 1 is formed with a through hole 101 corresponding to the mounting hole 404, whereby the battery pack 1 can be fixed to a battery pack mounting structure by a connecting member, such as a bolt, penetrating the through hole 101 and inserted into the mounting hole 404.
Based on the battery pack mounting structure of the electric vehicle provided by the first aspect of the embodiment of the utility model, the second aspect of the embodiment of the utility model provides an electric vehicle, which comprises a battery pack mounting structure and a battery pack 1 mounted in the battery pack mounting structure; the battery pack mounting structure is the battery pack mounting structure according to the first aspect of the embodiment of the present invention.
In one embodiment, the battery pack 1 is mounted in the battery pack mounting structure by: the longitudinal beam 402 and/or the cross beam 403 are/is provided with mounting holes 404 for mounting the battery pack 1, and mounting plates extending outwards are formed at the outer edge of the battery pack 1. The mounting plate is formed with a through hole 101 corresponding to the mounting hole 404, and the through hole 101 communicates with the mounting hole 404. Thus, the battery pack 1 can be mounted in the battery pack receiving space by the connection member penetrating the through-hole 101 of the mounting plate and inserted into the mounting hole 404. The connecting members may be, for example, bolts, screws, rivets, etc.
Preferably, the mounting plate extends along the circumferential direction of the battery pack 1 and is formed in a closed loop structure. In addition, in order to enable the battery pack 1 to be accommodated in the installation space of the battery pack 1 and to improve the structural compactness of the electric vehicle, the thickness of the battery pack 1 is substantially the same as the thickness of the cross members 403 and the side members 402, and the installation plate is formed around the surface of the battery pack 1 facing away from the vehicle body floor 401. Thus, after the battery pack 1 is inserted into the battery pack accommodating space, the mounting plate can be attached to the cross member 403 and the side member 402.
Further, in order to enable the battery pack 1 to be electrically connected with electric equipment of an electric vehicle, the plug connector 5 is arranged in the battery pack accommodating space, one side, facing the battery pack accommodating space, of the mounting plate is provided with a plug connector 103 used as an output end of the battery pack 1, the plug connector 103 is connected with the plug connector 5 in a plug-in manner, and the plug connector 5 is electrically connected with the electric equipment of the electric vehicle, so that the battery pack 1 supplies power to the electric equipment.
Specifically, referring to fig. 4, two plug connectors 103 are disposed on the left mounting plate of the battery pack 1, one plug connector 103 is a plug connector 103 of a positive output end, and the other plug connector 103 is a plug connector 103 of a negative output end, the plug connector 103 of the positive output end is electrically connected to the positive lead-out end of the battery pack 1, and the plug connector 103 of the negative output end is electrically connected to the negative lead-out end of the battery pack 1.
For further details of the connection manner of the plug-in unit 5 and the plug-in unit 103, reference is made to the battery pack mounting structure provided in the first aspect of the embodiment of the present invention, and details are not repeated here.
In addition, in order to facilitate quick and accurate plugging between the plug connector 103 and the plug connector 5, the cross beam 403 and/or the longitudinal beam 402 are provided with positioning holes 405 for positioning the battery pack 1, and one side of the mounting plate facing the cross beam 403 and/or the longitudinal beam 402 is provided with positioning pins 102 inserted into the positioning holes 405. When the battery pack 1 is installed, the positioning pin 102 on the installation plate is directly inserted into the positioning hole 405 on the cross beam 403 and/or the longitudinal beam 402, so that the plug connector 103 and the plug connector 5 can be accurately aligned, and the replacement efficiency of the battery pack 1 is improved.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, many simple modifications can be made to the technical solution of the utility model. Including each of the specific features, are combined in any suitable manner. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (10)
1. A battery pack mounting structure of an electric vehicle, the battery pack mounting structure comprising a first beam structure arranged in a first direction and a second beam structure arranged in a second direction, wherein the first beam structure and the second beam structure are connected to each other to enclose a battery pack accommodating space for wrapping a battery pack in a circumferential direction of the battery pack; the battery pack accommodating space is internally provided with a plug connector used for electrically connecting electric equipment of the electric vehicle, and the plug connector can be connected with the output end of the battery pack in a plug-in manner, so that the battery pack supplies power to the electric equipment.
2. The battery pack mounting structure for an electric vehicle according to claim 1, wherein the first beam structure is a longitudinal beam parallel to a longitudinal direction of a body of the electric vehicle, and the second beam structure is a transverse beam perpendicular to the longitudinal direction of the body of the electric vehicle; the longitudinal beams and the cross beams are connected with each other to form a plurality of battery pack accommodating spaces capable of respectively wrapping a plurality of battery packs in the circumferential direction of the battery packs.
3. The battery pack mounting structure of the electric vehicle according to claim 2, wherein mounting holes for mounting the battery pack are formed in the longitudinal beam and/or the cross beam; and the transverse beam and/or the longitudinal beam are/is provided with positioning holes for positioning the battery pack.
4. The battery pack mounting structure of an electric vehicle according to claim 2, wherein the cross members corresponding to both sides of the battery pack accommodating space are fixedly connected to a front frame and a rear frame of the electric vehicle, respectively.
5. The battery pack mounting structure for the electric vehicle according to claim 2, wherein the frame formed by connecting the side members and the cross member to each other is fixed to an underside of a vehicle body floor of the electric vehicle and is fixedly connected to the vehicle body floor.
6. The battery pack mounting structure of an electric vehicle according to claim 5, wherein the plug includes a plurality of input terminal plugs respectively provided in the plurality of battery pack accommodating spaces, and an output terminal plug for electrically connecting electric equipment of the electric vehicle; the input end plug connectors are used for respectively corresponding to the output ends of the plug-in connection of the battery packs, and the input end plug connectors are electrically connected with the output end plug connectors.
7. The battery pack mounting structure of an electric vehicle according to claim 6, wherein the output terminal connector penetrates the vehicle body floor and is sealingly connected to the vehicle body floor.
8. An electric vehicle is characterized by comprising a battery pack mounting structure and a battery pack mounted in the battery pack mounting structure; wherein the battery pack mounting structure is the battery pack mounting structure of the electric vehicle according to claim 1.
9. An electric vehicle is characterized by comprising a battery pack mounting structure and a battery pack mounted in the battery pack mounting structure; wherein the battery pack mounting structure is the battery pack mounting structure of the electric vehicle according to any one of claims 2 to 7.
10. The electric vehicle according to claim 9, wherein the longitudinal beam and/or the cross beam are provided with mounting holes for mounting the battery pack, mounting plates extending outward are formed at outer edge portions of the battery pack, and the battery pack is mounted in the battery pack receiving space through connecting pieces penetrating through the mounting plates and inserted into the mounting holes;
the battery pack mounting structure is characterized in that positioning holes for positioning the battery pack are formed in the cross beam and/or the longitudinal beam, and positioning pins inserted into the positioning holes are formed in one side, facing the cross beam and/or the longitudinal beam, of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022890921.3U CN216268644U (en) | 2020-12-02 | 2020-12-02 | Battery package mounting structure and electric motor car of electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022890921.3U CN216268644U (en) | 2020-12-02 | 2020-12-02 | Battery package mounting structure and electric motor car of electric motor car |
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| CN216268644U true CN216268644U (en) | 2022-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285223A (en) * | 2022-08-05 | 2022-11-04 | 智己汽车科技有限公司 | Vehicle body framework, lower vehicle body structure design method and pure electric vehicle |
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- 2020-12-02 CN CN202022890921.3U patent/CN216268644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285223A (en) * | 2022-08-05 | 2022-11-04 | 智己汽车科技有限公司 | Vehicle body framework, lower vehicle body structure design method and pure electric vehicle |
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