CN218005126U - Battery box body of pure electric commercial vehicle - Google Patents
Battery box body of pure electric commercial vehicle Download PDFInfo
- Publication number
- CN218005126U CN218005126U CN202221662949.4U CN202221662949U CN218005126U CN 218005126 U CN218005126 U CN 218005126U CN 202221662949 U CN202221662949 U CN 202221662949U CN 218005126 U CN218005126 U CN 218005126U
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- Prior art keywords
- battery box
- battery
- box body
- battery module
- pure electric
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses a battery box body of a pure electric commercial vehicle, which comprises a battery box and a steel frame, wherein the battery box comprises a lower box body, an upper cover, a cooling interface, high-low voltage interfaces, a mounting plate and a battery module, the cross section of the battery box is in a concave shape, the battery module is arranged in a convex area, and the high-low voltage interfaces are arranged in a middle concave area; in the battery box, the mounting plate is respectively fixed on the supports on the inner sides of the cross beams and the side beams through two ends and side edges; the battery module group is arranged in two layers, the lower layer battery module is arranged at the bottom of the lower box body, and the upper layer battery module is arranged on the mounting plate; and the battery box is connected with the frame longitudinal beam through the locking device. The utility model can resist extrusion and collision, and avoid the deformation of the battery box; the space utilization rate of the battery is high, the electric quantity is improved, and the endurance mileage of the vehicle is increased; the vehicle has lower gravity center and better steering stability.
Description
Technical Field
The utility model relates to a pure electric commercial car battery box belongs to electronic commercial car technical field.
Background
In recent years, in order to solve air pollution and improve vehicle economic performance, new energy automobiles become one of important development directions. Especially in pure electric vehicles field, compare with traditional car, with the introduction of spare parts such as battery, motor, automatically controlled make whole car arrange and framework need develop towards more reasonable direction. The pure electric commercial vehicle on the market at present mainly adopts a back type battery box scheme or a scheme of distributing a plurality of battery boxes, and the schemes have a plurality of defects. Particularly, the scheme of the back of the battery box occupies the space in the length direction of the whole vehicle, and the shaft load distribution is unreasonable; meanwhile, the battery box is arranged above the longitudinal beam, so that the gravity center of the vehicle is higher, and the rollover risk exists. The battery box distributed arrangement scheme makes the space utilization rate of the battery not high enough, is not beneficial to the promotion of electric quantity, and is not suitable for the battery changing scene. Therefore, in order to solve the problems of the prior art, it is urgently needed to develop a novel arrangement and structure of a battery box of a commercial vehicle.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, a pure electric commercial car battery box is provided.
In order to solve the technical problem, the utility model provides a battery box body of a pure electric commercial vehicle, which comprises a battery box and a steel frame, wherein the battery box comprises a lower box body, an upper cover, a cooling interface, a high-low voltage interface, a mounting plate and a battery module, the cross section of the battery box is concave, the battery module is arranged in a convex area, and the high-low voltage interface is arranged in a concave area in the middle; in the battery box, the mounting plate is respectively fixed on the supports on the inner sides of the cross beams and the side beams through two ends and side edges; the battery module group is arranged in two layers, the lower layer battery module is arranged at the bottom of the lower box body, and the upper layer battery module is arranged on the mounting plate; and the battery box is connected with the frame longitudinal beam through the locking device.
The cooling plate is integrated at the bottom of the battery module, the cooling plate is arranged at the bottom of the battery module, one end of the battery module is provided with a cooling liquid inlet and outlet, and different battery modules are connected through pipelines to realize battery cooling.
The upper cover is formed by composite materials, the two ends of the upper cover are bulged, the middle of the upper cover is flat, and a high-low pressure connector and a cooling connector are arranged in the middle area of the upper cover.
The steel framework is of a detachable structure and comprises rectangular steel pipes, side beams, middle beams and lock columns, and the battery box is fixedly installed in a containing area built by the rectangular steel pipes.
The lower box body is formed by welding an aluminum profile bottom plate, a cross beam and a side beam in a splicing manner, the cross beam and the side beam are provided with mounting screw holes, and the battery box is respectively connected and fixed in the steel frame through the side beam and the cross beam and the side beam and the middle beam of the steel frame through bolts.
A sealing gasket is arranged between the upper cover and the lower box body, and the battery box is sealed through fastening and compression.
The locking device comprises a base and locking columns, the base is arranged on two sides of the frame longitudinal beam, the battery box is arranged below the frame longitudinal beam and occupies the space of the bottom and two sides of the whole vehicle, and the battery box and the steel frame are fixed on the frame longitudinal beam through the matching of the locking columns on the base and the steel frame.
Has the beneficial effects that: the battery box of the utility model is fixed in the steel frame through the bolt, and then the steel frame is connected with the frame longitudinal beam through the locking device, on one hand, the steel frame strengthens the protection of the battery box, and can resist working conditions such as extrusion, collision and the like; on the other hand, the steel frame locking device plays a role in buffering and damping, so that the battery box is prevented from being directly connected with the longitudinal beam and is not easy to deform under working conditions such as bending and twisting; the battery box adopts an integrated design, and the concave-shaped outline makes full use of the space at the bottom and two sides of the whole vehicle, so that the utilization rate of the battery space is higher, the improvement of electric quantity is facilitated, and the endurance mileage of the vehicle is increased; the battery box is arranged below the frame longitudinal beam, the gravity center of the vehicle is lower, the axle load distribution is more reasonable, and the operation stability is better.
Drawings
Fig. 1 is a schematic structural view of a battery box of the present invention;
FIG. 2 is a schematic view of the battery box of the present invention engaged with a steel frame;
FIG. 3 is a schematic view of the overall appearance of the battery box of the present invention;
fig. 4 is a schematic layout diagram of the present invention.
In the figure: 1. a frame rail; 2. a battery box; 3. a base; 4. a steel frame; 201. an upper cover; 202. a cooling interface; 203. a high-low voltage interface; 204. a base plate; 205. a cross beam; 206. a side beam; 207. a gasket; 208. mounting a plate; 209. a battery module; 210. a cooling plate; 211. a water inlet and outlet; 401. a lock cylinder; 402. a boundary beam; 403. a center sill; 404. a rectangular steel pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the utility model provides a battery box for pure electric commercial vehicle, including battery box 2 and steel frame 4, battery box 2 includes lower box, upper cover 201, cooling interface 202, high-low pressure interface 203, mounting panel 208 and battery module 209, and the cross-section of battery box 2 presents "concave" style of calligraphy, is provided with battery module 209 in the protruding region of both sides, is provided with high-low pressure interface 203 in the middle sunken region; inside the battery box 2, the mounting plate 208 is fixed to the supports inside the cross beam 205 and the side beam 206 by both ends and sides, respectively; the battery modules 209 are arranged in two layers, the lower layer battery module is arranged at the bottom of the lower box body, the upper layer battery module is arranged on the mounting plate 208, and the mounting plate is fixed at the inner side of the lower box body and plays a role in supporting and fixing the upper layer battery module; the locking device is arranged on the steel frame 4, the battery box 2 is fixedly connected with the frame longitudinal beam 1 through the locking device, and the steel frame 4 provides good mechanical protection and buffering and damping effects for the battery box 2.
The integrated cooling plate 210 that has in battery module 209 bottom, the cooling plate setting is in the bottom of battery module 209, battery module 209 one end is provided with coolant liquid inlet outlet 211, realizes the battery cooling through the tube coupling between the different battery modules 209.
The upper cover 201 is formed by composite materials, the two ends of the upper cover bulge out, the middle of the upper cover is flat, and a high-low pressure connector 203 and a cooling connector 202 are arranged in the middle area.
The lower box body is formed by welding an aluminum section bottom plate 204, a cross beam 205 and a side beam 206, the cross beam 205 and the side beam 206 are provided with mounting screw holes, and the battery box 2 is respectively connected with the edge beam 402 and the middle beam 403 of the steel frame 4 through the side beam 206 at the left side and the side beam 206 at the right side and the cross beam 205 in the front-back direction by bolts and fixed in the steel frame 4.
A sealing gasket 207 is arranged between the upper cover 201 and the lower box body, and the sealing effect of the battery box 2 is realized through fastening and compression.
The locking device comprises bases 3 and locking columns 401, two bases 3 are arranged on two sides of the frame longitudinal beam 1 respectively, the battery box 2 is arranged below the frame longitudinal beam 1 and occupies the space at the bottom and two sides of the whole vehicle, and the battery box 2 and the steel frame 4 are fixed on the frame longitudinal beam through the matching of the bases 3 and the locking columns 401 on the steel frame 4; through the locking connection of base 3 and lock post 401, can realize that battery box 2 trades the electric operation from whole car bottom.
When the battery box 2 is assembled, the first layer of battery modules 209 is fixed on the bottom plate 204 of the lower box body, then the mounting plate 208 is respectively fixed on the supports on the inner sides of the cross beams 205 and the side beams 206 through two ends and side edges, and then the second layer of battery modules 209 is fixed on the mounting plate 208, thereby forming the internal arrangement of the battery box 2.
The utility model provides general the battery box is arranged in solebar below, and the battery box takes the design of integrating, and the cross-section is "concave" style of calligraphy, and the maximize utilizes whole car bottom and both sides space.
The utility model realizes the maximized utilization of the battery arrangement space, has higher integration level of the whole structure, is beneficial to the promotion of electric quantity and increases the endurance mileage of the vehicle; the battery box is arranged below the frame longitudinal beam, the gravity center of the vehicle is lower, the axle load distribution is more reasonable, and the operation stability is better.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (7)
1. The utility model provides a pure electric commercial car battery box which characterized in that: the battery box comprises a battery box (2) and a steel frame (4), wherein the battery box (2) comprises a lower box body, an upper cover (201), a cooling interface (202), high-low voltage interfaces (203), an installation plate (208) and a battery module (209), the cross section of the battery box (2) is concave, the battery module (209) is arranged in a convex area, and the high-low voltage interfaces (203) are arranged in a middle concave area; in the battery box (2), the mounting plate (208) is respectively fixed on the supports at the inner side of the cross beam (205) and the inner side of the side beam (206) through two ends and side edges; the battery modules (209) are arranged in two layers, the lower layer battery module is arranged at the bottom of the lower box body, and the upper layer battery module is arranged on the mounting plate (208); and the steel frame (4) is provided with a locking device, and the battery box (2) is connected with the frame longitudinal beam (1) through the locking device.
2. The battery box body of the pure electric commercial vehicle according to claim 1, characterized in that: the integrated cooling plate (210) that has in battery module (209) bottom, cooling plate (210) set up the bottom at battery module (209), battery module (209) one end is provided with coolant liquid inlet outlet (211), realizes through the tube coupling battery cooling between different battery modules (209).
3. The battery box body of the pure electric commercial vehicle according to claim 1, characterized in that: the upper cover (201) is formed by composite materials, the two ends of the upper cover are bulged, the middle of the upper cover is flat, and a high-pressure interface (203) and a low-pressure interface (202) are arranged in the middle area of the upper cover.
4. The battery box body of the pure electric commercial vehicle according to claim 1, characterized in that: steel frame (4) are detachable construction, including rectangle steel pipe (404), boundary beam (402), middle roof beam (403) and lock post (401), battery box (2) installation is fixed in the accommodation area that rectangle steel pipe (404) was built up.
5. The battery box body of the pure electric commercial vehicle according to claim 1, characterized in that: the lower box body is formed by welding an aluminum section bottom plate (204), a cross beam (205) and a side beam (206), mounting screw holes are formed in the cross beam (205) and the side beam (206), and the battery box (2) is respectively connected with an edge beam (402) and a middle beam (403) of the steel frame (4) through the side beam (206) and the cross beam (205) and fixed in the steel frame (4) through bolts.
6. The battery box body of the pure electric commercial vehicle according to claim 1, characterized in that: a sealing gasket (207) is arranged between the upper cover (201) and the lower box body, and the battery box (2) is sealed through fastening and compression.
7. A battery box body for a pure electric commercial vehicle according to any one of claims 1 to 6, characterized in that: locking device includes base (3) and lock post (401), and base (3) set up in solebar (1) both sides, and battery box (2) are arranged in solebar (1) below, are occupied whole car bottom and both sides space, through lock post (401) cooperation on base (3) and steel frame (4), realize battery box (2), steel frame (4) fixed on solebar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221662949.4U CN218005126U (en) | 2022-06-30 | 2022-06-30 | Battery box body of pure electric commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221662949.4U CN218005126U (en) | 2022-06-30 | 2022-06-30 | Battery box body of pure electric commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005126U true CN218005126U (en) | 2022-12-09 |
Family
ID=84313489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221662949.4U Active CN218005126U (en) | 2022-06-30 | 2022-06-30 | Battery box body of pure electric commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218005126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024152376A1 (en) * | 2023-01-20 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Battery and vehicle |
-
2022
- 2022-06-30 CN CN202221662949.4U patent/CN218005126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024152376A1 (en) * | 2023-01-20 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Battery and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231115 Address after: Shengjing tangwangshan Road North Panwang Road West, Zhangqiu District, Jinan City, Shandong Province 250200 Patentee after: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. Patentee after: Sinotruk Jinan Truck Co.,Ltd. Address before: Shengjing tangwangshan Road North Panwang Road West, Zhangqiu District, Jinan City, Shandong Province 250200 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |
|
| TR01 | Transfer of patent right |