CN211943494U - Trade electric chassis and electric automobile - Google Patents
Trade electric chassis and electric automobile Download PDFInfo
- Publication number
- CN211943494U CN211943494U CN202020037641.5U CN202020037641U CN211943494U CN 211943494 U CN211943494 U CN 211943494U CN 202020037641 U CN202020037641 U CN 202020037641U CN 211943494 U CN211943494 U CN 211943494U
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- chassis
- lock
- battery
- sensor
- mounting
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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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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The utility model discloses a trade electric chassis and electric automobile, trade the electric chassis and include detachable battery package to and with automobile body integrated into one piece's longeron, the battery package passes through locking mechanism and installs on the longeron, it still includes the crossbeam to trade the electric chassis, the longeron reaches the crossbeam forms the region that holds of battery package is in order to hold and fix the battery package. The utility model discloses an utilize integrated into one piece's longeron and crossbeam to form the region that holds of battery package to set up locking mechanism at the longeron, thereby make the battery package can connect on trading the electric chassis through locking mechanism detachable. The utility model discloses reduced the battery package and traded the spare part between the electricity chassis, saved the battery package and traded the quick change support between the electricity chassis to be favorable to simplifying the structural style who trades the electricity chassis, the utility model discloses a trade the electricity chassis and also accord with electric automobile's the atress condition more, be favorable to further reducing the total weight of trading the electricity chassis.
Description
Technical Field
The utility model relates to an automobile field, in particular to trade electric chassis and electric automobile.
Background
With the progress of technology and the development of social economy, automobiles gradually become important tools for people to live and go out, and a large number of automobiles enter family life and become irreplaceable consumer goods for people.
For conventional fuel-powered vehicles, the chassis is an important component. The body structure, power assembly, part of transmission system and so on in the automobile body are all connected with the chassis, accordingly, the chassis is designed, generally combined with the bearing equipment, and the related stress condition is comprehensively considered, so that the chassis with reasonable structure, convenient installation and comfortable riding is obtained.
For an electric automobile, a battery pack required by the electric automobile is usually installed on the basis of an original fuel automobile by utilizing a chassis of the original fuel automobile. For an electric vehicle requiring replacement of a battery pack, the battery pack is generally connected to the chassis through a quick-change bracket assembly. Namely, the quick-change bracket component is installed on the chassis, and then the battery pack is installed on the quick-change bracket component. The chassis of the fuel automobile is more suitable for the structure of the fuel automobile, and the structure of the fuel automobile is different from that of the electric automobile. In contrast, the biggest difference between the two is that: the electric automobile is provided with a battery pack. Although the chassis of the fuel automobile and the battery pack can be combined to form the electric automobile, the electric automobile transformed by the chassis of the fuel automobile often has the defects of heavier chassis, complex structure, inconvenience in installation, replacement of the battery pack and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above-mentioned defect among the prior art, provide one kind and trade electric chassis and electric automobile.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a trade electric chassis for electric automobile, its characterized in that trade electric chassis includes detachable battery package to and the longeron with automobile body integrated into one piece, the battery package passes through locking mechanism and installs on the longeron, trade electric chassis still includes the crossbeam, the longeron reaches the crossbeam forms the accommodation area of battery package to hold and fix the battery package.
In this scheme, through adopting above structure, utilize integrated into one piece's longeron and crossbeam to form the region that holds of battery package to set up locking mechanism at the longeron, thereby make the battery package can connect on trading the electric chassis through locking mechanism detachable. According to the scheme, parts between the battery pack and the battery replacing chassis are reduced, and the quick-change support between the battery pack and the battery replacing chassis is omitted, so that the structural form of the battery replacing chassis is simplified, the battery replacing chassis in the scheme also conforms to the stress condition of an electric automobile, and the total weight of the battery replacing chassis is further reduced.
Preferably, the locking mechanism comprises a plurality of lock bases, the lock bases are arranged on the inner side face of the longitudinal beam, a plurality of lock shafts are correspondingly arranged on the outer side of the battery pack, and the lock bases are used for inserting and locking the lock shafts of the battery pack.
In this scheme, through adopting above structure, utilize lock axle and lock base to cooperate, be favorable to improving the stability of battery package on trading the electric chassis, also be favorable to improving the efficiency that the battery package was changed.
Preferably, the inner side face of the longitudinal beam is provided with a mounting face, the mounting face is used for mounting the lock base, and the mounting face is provided with a groove for embedding the lock base or a bulge for mounting the lock base.
In the scheme, by adopting the structure and designing the mounting surface, in the manufacturing process of the longitudinal beam, only the manufacturing precision of the mounting surface needs to be ensured, and correspondingly, the manufacturing precision of the non-mounting surface on the longitudinal beam can be reduced. Through set up recess or bellying on the installation face to installation lock base on recess or bellying, be favorable to improving the positioning accuracy of lock base, and then be favorable to improving the installation accuracy of battery package.
Preferably, the parallelism of the mounting surfaces of the longitudinal beams is +/-0.5 mm.
In this scheme, through adopting above structure, through the depth of parallelism control with the installation face at 0.5mm, both guaranteed the installation accuracy of lock base, reduced the manufacturing degree of difficulty of longeron again, be favorable to improving the yields of longeron, be favorable to reducing the manufacturing cost of longeron.
Preferably, a plurality of the lock bases are symmetrically arranged on two longitudinal beams.
In this scheme, through adopting above structure, with the setting of locking base symmetry on two longerons, be favorable to optimizing the longeron atress condition, be favorable to improving the life of longeron.
Preferably, a lock base hole is formed in the longitudinal beam and used for installing the lock base.
In this scheme, through adopting above structure, utilize the lock seat hole for the installation that the lock base can be accurate is favorable to improving the installation accuracy of lock base on the longeron.
Preferably, the longitudinal beam is further provided with a sensor mounting hole, the sensor mounting hole is used for mounting a sensor, the front end of the sensor extends out of the sensor mounting hole, a positioning component is arranged on the lock shaft of the battery pack, and the sensor judges the position of the battery pack through the induction positioning component.
In this scheme, through adopting above structure, through setting up the sensor mounting hole on the longeron, reduced the support that sets up for the installation sensor, be favorable to simplifying the installation procedure of sensor. Through utilizing the sensor extending out of the mounting hole to be matched with the positioning part, the position of the battery pack can be judged more accurately by the scheme, and the reliability of the battery replacing chassis is improved.
Preferably, the lock shaft of the battery pack enters the lock base from bottom to top, and after the lock shaft moves upwards to the top position, the lock shaft moves forwards relative to the lock base, and the lock shaft moves forwards to the front position, so that the lock shaft is fixed; the sensors comprise an upper in-place sensor, a front in-place sensor and a lock falling sensor; the up-to-position sensor is used for judging whether the lock shaft reaches an up-to-position point; the forward-in-place sensor is used for judging whether the lock shaft reaches a forward-in-place point; the lock falling sensor is used for judging whether the lock shaft is locked or not.
In the scheme, by adopting the structure, the battery pack is installed and decomposed into the upper position and the front position, and whether the battery pack is in place is judged by the upper position sensor, the front position sensor and the lock falling sensor, so that the installation procedure of the battery pack is simplified, the installation efficiency of the battery pack is improved, and the installation reliability of the battery pack is improved.
Preferably, the cross section of the longitudinal beam is of a square structure.
In this scheme, through adopting above structure, utilize the longeron of mouthful style of calligraphy, be favorable to improving the structural strength of longeron, and then be favorable to improving the stability of installing the battery package on the longeron.
The electric automobile is characterized by comprising the battery replacing chassis.
In this scheme, through adopting above structure, utilize above-mentioned electricity changing chassis for electric automobile has reduced the battery package and has traded spare part between the electricity chassis, has saved the battery package and has traded the quick change support between the electricity chassis, thereby is favorable to simplifying electric automobile's structural style, is favorable to further reducing electric automobile's total weight.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses an utilize integrated into one piece's longeron and crossbeam to form the region that holds of battery package to set up locking mechanism at the longeron, thereby make the battery package can connect on trading the electric chassis through locking mechanism detachable. The utility model discloses reduced the battery package and traded the spare part between the electricity chassis, saved the battery package and traded the quick change support between the electricity chassis to be favorable to simplifying the structural style who trades the electricity chassis, the utility model discloses a trade the electricity chassis and also accord with electric automobile's the atress condition more, be favorable to further reducing the total weight of trading the electricity chassis.
Drawings
Fig. 1 is a schematic structural diagram of a battery pack installed on a battery replacement chassis according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a battery pack structure of the battery replacement chassis according to the preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the battery replacement chassis according to the preferred embodiment of the present invention.
Fig. 4 is another schematic structural diagram of the battery replacement chassis according to the preferred embodiment of the present invention.
Fig. 5 is a partially enlarged schematic structural diagram of the battery replacement chassis according to the preferred embodiment of the present invention.
Fig. 6 is a schematic structural view of a longitudinal beam of the battery replacement chassis according to a preferred embodiment of the present invention.
Fig. 7 is another schematic structural diagram of a longitudinal beam of the battery replacement chassis according to the preferred embodiment of the present invention.
Description of reference numerals:
The lock hole 14
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 7, the battery replacement chassis 10 of the present embodiment is used for an electric vehicle, the battery replacement chassis 10 includes a detachable battery pack 30 and a longitudinal beam 11 integrally formed with a vehicle body, the battery pack 30 is mounted on the longitudinal beam 11 through a locking mechanism 20, the battery replacement chassis 10 further includes a cross beam 12, and the longitudinal beam 11 and the cross beam 12 form a receiving area of the battery pack 30 to receive and fix the battery pack 30. In the embodiment, the longitudinal beams 11 and the transverse beams 12 which are integrally formed form a receiving area of the battery pack 30, and the locking mechanism 20 is arranged on the longitudinal beams 11, so that the battery pack 30 can be detachably connected to the battery replacing chassis 10 through the locking mechanism 20. In this embodiment, parts between the battery pack 30 and the battery replacement chassis 10 are reduced, and a quick-change bracket between the battery pack 30 and the battery replacement chassis 10 is omitted, so that the structural form of the battery replacement chassis 10 is facilitated to be simplified, the battery replacement chassis 10 of this embodiment also better meets the stress condition of the electric vehicle, and the total weight of the battery replacement chassis 10 is further reduced.
In order to improve the accuracy of the battery replacement chassis 10, the parallelism of the mounting surface 13 of the longitudinal beam 11 can be plus or minus 0.5 mm. In the embodiment, the parallelism of the mounting surface 13 is controlled to be +/-0.5 mm, so that the mounting accuracy of the lock base 21 is ensured, the manufacturing difficulty of the longitudinal beam 11 is reduced, the improvement of the yield of the longitudinal beam 11 is facilitated, and the reduction of the manufacturing cost of the longitudinal beam 11 is facilitated.
In order to improve the stability of the battery replacement chassis 10, the cross section of the longitudinal beam 11 may be a square structure. The present embodiment is advantageous in that the rectangular longitudinal beam 11 is used to improve the structural strength of the longitudinal beam 11, and further, to improve the stability of the battery pack 30 mounted on the longitudinal beam 11.
As an embodiment, as shown in fig. 2 to 7, the locking mechanism 20 may further include a plurality of lock bases 21, as shown in fig. 2 and 4, the plurality of lock bases 21 are disposed on the inner side surface of the longitudinal beam 11, as shown in fig. 3, a plurality of lock shafts 22 are correspondingly disposed on the outer side of the battery pack 30, and the lock bases 21 are used for inserting and locking the lock shafts 22 of the battery pack 30. In the embodiment, the lock shaft 22 and the lock base 21 are matched, which is beneficial to improving the stability of the battery pack 30 on the battery replacement chassis 10 and is also beneficial to improving the efficiency of replacing the battery pack 30.
As a preferred embodiment, as shown in fig. 6, the inner side surface of the side member 11 may further include a mounting surface 13, the mounting surface 13 is used for mounting the lock base 21, and the mounting surface 13 has a groove into which the lock base 21 is fitted. In other embodiments, the mounting surface 13 may also be provided with a protrusion for mounting the lock base 21. In the present embodiment, by designing the mounting surface 13, in the manufacturing process of the side member 11, only the manufacturing accuracy of the mounting surface 13 needs to be ensured, and accordingly, the manufacturing accuracy of the non-mounting surface on the side member 11 can be reduced, which is beneficial to reducing the manufacturing difficulty of the side member 11, improving the yield of the side member 11, and reducing the manufacturing cost of the side member 11. By arranging the groove or the protrusion on the mounting surface 13 and mounting the lock base 21 on the groove or the protrusion, the positioning accuracy of the lock base 21 is improved, and the mounting accuracy of the battery pack 30 is improved.
In order to improve the stability of the battery pack 30, as shown in fig. 2 and 4, a plurality of lock bases 21 may be symmetrically provided on the two side members 11. In the embodiment, the lock bases 21 are symmetrically arranged on the two longitudinal beams 11, so that the stress condition of the longitudinal beams 11 is optimized, and the service life of the longitudinal beams 11 is prolonged.
As an embodiment, as shown in fig. 7, the longitudinal beam 11 may further be provided with a lock seat hole 14, and the lock seat hole 14 is used for installing the lock base 21. In the embodiment, the lock base hole 14 is utilized, so that the lock base 21 can be accurately installed on the longitudinal beam 11, and the installation accuracy of the lock base 21 is improved.
In order to simplify the design form of the battery replacing chassis 10, as shown in fig. 5, a sensor 31 mounting hole may be further formed in the longitudinal beam 11, the sensor 31 mounting hole is used for mounting the sensor 31, the front end of the sensor 31 extends out of the sensor 31 mounting hole, a positioning member is arranged on the lock shaft 22 of the battery pack 30, and the sensor 31 determines the position of the battery pack 30 by sensing the positioning member. In the present embodiment, the mounting holes for the sensor 31 are provided in the side member 11, so that the number of brackets for mounting the sensor 31 is reduced, which is advantageous for simplifying the mounting process of the sensor 31. By using the sensor 31 extending out of the mounting hole to cooperate with the positioning part, the position of the battery pack 30 can be determined more accurately in the embodiment, which is beneficial to improving the reliability of the battery replacement chassis 10.
In a preferred embodiment, the lock shaft 22 of the battery pack 30 can also enter the lock base 21 from bottom to top, after the lock shaft 22 moves upwards to the top position, the lock shaft 22 moves forwards relative to the lock base 21, the lock shaft 22 moves forwards to the front position, and the lock shaft 22 is fixed; the sensors 31 comprise an upper position sensor 31, a front position sensor 31 and a lock falling sensor 31; the up-to-position sensor 31 is used for judging whether the lock shaft 22 reaches the up-to-position point; the forward position sensor 31 is used for judging whether the lock shaft 22 reaches a forward position; the lock drop sensor 31 is used to determine whether the lock shaft 22 is locked. In the embodiment, the battery pack 30 is installed and decomposed into the top position and the front position, and whether the battery pack is installed in place is judged by using the top in-place sensor 31, the front in-place sensor 31 and the drop lock sensor 31, so that the installation procedure of the battery pack 30 is simplified, the installation efficiency of the battery pack 30 is improved, and the installation reliability of the battery pack 30 is improved.
The embodiment may also be an electric vehicle, and the electric vehicle includes the above battery replacement chassis 10. In this embodiment, the battery replacement chassis 10 is utilized, so that the parts between the battery pack 30 and the battery replacement chassis 10 of the electric vehicle are reduced, and a quick-change bracket between the battery pack 30 and the battery replacement chassis 10 is omitted, thereby facilitating simplification of the structural form of the electric vehicle and further reducing the total weight of the electric vehicle.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. The utility model provides a trade electric chassis for electric automobile, its characterized in that trade electric chassis includes detachable battery package to and the longeron with automobile body integrated into one piece, the battery package passes through locking mechanism and installs on the longeron, trade electric chassis still includes the crossbeam, the longeron reaches the crossbeam forms the accommodation area of battery package to hold and fix the battery package.
2. The battery replacement chassis according to claim 1, wherein the locking mechanism comprises a plurality of lock bases, the plurality of lock bases are arranged on the inner side surface of the longitudinal beam, a plurality of lock shafts are correspondingly arranged on the outer side of the battery pack, and the lock bases are used for inserting and locking the lock shafts of the battery pack.
3. The battery replacement chassis as claimed in claim 2, wherein the inner side of the longitudinal beam has a mounting surface for mounting the lock base, and the mounting surface has a groove for embedding the lock base or a protrusion for mounting the lock base.
4. The battery changing chassis of claim 1, wherein a parallelism of the mounting surfaces of the stringers is ± 0.5 mm.
5. The battery changing chassis as claimed in claim 2, wherein a plurality of the lock bases are symmetrically disposed on two of the longitudinal beams.
6. The battery replacement chassis of claim 2, wherein a lock base hole is formed in the longitudinal beam and used for mounting the lock base.
7. The battery replacement chassis according to claim 2, wherein the longitudinal beam is further provided with a sensor mounting hole for mounting a sensor, the front end of the sensor extends out of the sensor mounting hole, a positioning component is arranged on the lock shaft of the battery pack, and the sensor determines the position of the battery pack through sensing the positioning component.
8. The battery changing chassis as claimed in claim 7, wherein the lock shaft of the battery pack enters the lock base from bottom to top, and after the lock shaft moves upwards to the top position, the lock shaft moves forwards relative to the lock base, and the lock shaft moves forwards to the front position, and the lock shaft is fixed;
the sensors comprise an upper in-place sensor, a front in-place sensor and a lock falling sensor;
the up-to-position sensor is used for judging whether the lock shaft reaches an up-to-position point;
the forward-in-place sensor is used for judging whether the lock shaft reaches a forward-in-place point;
the lock falling sensor is used for judging whether the lock shaft is locked or not.
9. The battery changing chassis as claimed in claim 1, wherein the cross section of the longitudinal beam is in a square structure.
10. An electric vehicle, characterized in that the electric vehicle comprises the battery replacement chassis according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020037641.5U CN211943494U (en) | 2020-01-08 | 2020-01-08 | Trade electric chassis and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020037641.5U CN211943494U (en) | 2020-01-08 | 2020-01-08 | Trade electric chassis and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211943494U true CN211943494U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020037641.5U Active CN211943494U (en) | 2020-01-08 | 2020-01-08 | Trade electric chassis and electric automobile |
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| Country | Link |
|---|---|
| CN (1) | CN211943494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263896A (en) * | 2021-05-18 | 2021-08-17 | 中国第一汽车股份有限公司 | Compatible platform of power battery and electric automobile |
| WO2023098722A1 (en) * | 2021-11-30 | 2023-06-08 | 奥动新能源汽车科技有限公司 | Battery swapping system for electric vehicle, electric vehicle, and battery swapping method for electric vehicle |
-
2020
- 2020-01-08 CN CN202020037641.5U patent/CN211943494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263896A (en) * | 2021-05-18 | 2021-08-17 | 中国第一汽车股份有限公司 | Compatible platform of power battery and electric automobile |
| WO2023098722A1 (en) * | 2021-11-30 | 2023-06-08 | 奥动新能源汽车科技有限公司 | Battery swapping system for electric vehicle, electric vehicle, and battery swapping method for electric vehicle |
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