CN214001361U - Lower vehicle body structure of fuel cell hydrogen energy vehicle - Google Patents
Lower vehicle body structure of fuel cell hydrogen energy vehicle Download PDFInfo
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- CN214001361U CN214001361U CN202022194080.2U CN202022194080U CN214001361U CN 214001361 U CN214001361 U CN 214001361U CN 202022194080 U CN202022194080 U CN 202022194080U CN 214001361 U CN214001361 U CN 214001361U
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model discloses a lower body structure of a fuel cell hydrogen energy automobile, which comprises a frame, and a cooling system module, a fuel cell system module, a hydrogen supply system module, a driving motor, a battery pack, a super capacitor and a DC/DC which are arranged on the frame, wherein the cooling system module is arranged at the front ends of two front longitudinal beams of the frame, and is positioned behind the anti-collision cross beam, the fuel cell system module is arranged on two front longitudinal beams of the frame and a rear cross beam of the front engine room, and is positioned at the rear of the cooling system module, the hydrogen supply system module is positioned at the middle part of the frame, the driving motor is arranged at the rear of the hydrogen supply system module, the battery pack is arranged above the rear axle assembly, the super capacitor is arranged at the tail part of the frame and is arranged on two cross beams at the tail part of the frame, and the DC/DC is arranged on the two rear longitudinal beams at the tail part of the frame. The invention adopts a modularized integrated arrangement method, which not only fully utilizes the whole space of the lower automobile body of the automobile, but also meets various performance requirements.
Description
Technical Field
The utility model relates to a whole car arrangement structure technical field of hydrogen energy car especially relates to a lower automobile body structure of fuel cell hydrogen energy car.
Background
For a hydrogen energy automobile, the space in the lower body structure is very limited, and besides a front suspension system, a driving motor, a transmission shaft, a rear axle assembly and a plate spring suspension, a fuel cell system module, a hydrogen supply system module, a battery pack, a super capacitor, a DC/DC, a cooling system module, various high-low pressure lines, hydrogen pipelines, cooling pipelines and the like are designed, and the functional components occupy a large space. If a raw fuel vehicle platform is adopted, the hydrogen bottles can only be arranged at the rear part of the vehicle body, so that the problems of unreasonable axle load of the vehicle body, less hydrogen storage amount and the like can be caused, the endurance mileage of the whole vehicle is short, and the hydrogen bottles easily invade a rear passenger compartment and have small luggage compartment space during collision. Therefore, it is a relatively complicated task to arrange all the functional components in the limited lower body structural space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art current situation, provide a lower automobile body structure of fuel cell hydrogen energy car, adopt the integrated method of arranging of modularization, not only make full use of the whole space of automobile body under the car, still satisfied each item performance demand.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lower vehicle body structure of a fuel cell hydrogen energy vehicle comprises a vehicle frame, and a cooling system module, a fuel cell system module, a hydrogen supply system module, a driving motor, a battery pack, a super capacitor and a DC/DC which are arranged on the vehicle frame, wherein the cooling system module is arranged at the front ends of two front longitudinal beams of the vehicle frame and is positioned behind an anti-collision cross beam, the fuel cell system module is arranged in a front engine room, the fuel cell system module is arranged on the two front longitudinal beams of the vehicle frame and a rear cross beam of the front engine room and is positioned behind the cooling system module, the hydrogen supply system module is positioned in the middle of the vehicle frame and comprises three hydrogen bottles, the three hydrogen bottles are arranged side by side along the Y-axis direction of the vehicle and are fixed on the vehicle frame through binding bands, the driving motor is arranged behind the hydrogen supply system module and is connected with a differential mechanism through a transmission shaft, the transmission shaft is located vehicle Y0 department, the battery package is arranged in rear axle assembly top, and it installs on two back longerons of frame afterbody, super capacitor arranges in the frame afterbody, and its installation is on two crossbeams of frame afterbody, DC/DC installs on two back longerons of frame afterbody.
Further, three hydrogen bottles in the hydrogen supply system module are arranged in a stepped manner, the middle hydrogen bottle is located at a position where the vehicle Y is equal to 0, the two hydrogen bottles are symmetrically arranged relative to the middle hydrogen bottle, and the two hydrogen bottles and the middle hydrogen bottle are partially overlapped in the vehicle Y axis direction.
Furthermore, cage-shaped structures are arranged at the hydrogen bottles on the two sides of the frame, and the cage-shaped structures play a role in preventing the hydrogen bottles from being impacted.
The utility model has the advantages that:
compared with the prior art, the lower body structure of the fuel cell hydrogen energy automobile adopts a modularized integrated arrangement method, all system components are installed in the designated area on the frame, and then the wiring harness, the cooling pipeline and the hydrogen supply pipeline are connected, so that the whole space of the lower body of the automobile is fully utilized, and all performance requirements are met; the hydrogen supply system module and the battery pack are arranged in the middle of the frame, and if the automobile collides forwards or backwards or turns on one side, the safety of the hydrogen bottle and the battery pack can be effectively protected.
Drawings
FIG. 1 is a bottom view of the frame of the present invention;
figure 2 is the side view (no functional unit) of the utility model frame.
Description of the labeling: 1. the device comprises a frame, 2, an anti-collision cross beam, 3, a front cabin rear cross beam, 4, a front longitudinal beam, 5, a cooling system module, 6, a fuel cell system module, 7, a hydrogen bottle, 8, a driving motor, 9, a transmission shaft, 10, a differential, 11, a rear axle assembly, 12, a battery pack, 13, a super capacitor, 14, DC/DC, 15, a rear longitudinal beam, 16, a cross beam, 17 and a cage structure.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, a lower body structure of a fuel cell hydrogen energy automobile includes a frame 1, and a cooling system module 5, a fuel cell system module 6, a hydrogen supply system module, a driving motor 8, a battery pack 12, a super capacitor 13, and a DC/DC14, which are disposed on the frame 1. The left and right symmetrical lines of the frame 1 are the X axis of the vehicle, and the direction perpendicular to the left and right symmetrical lines of the frame 1 is the Y axis direction of the vehicle.
The cooling system module 5 is arranged at the front ends of two front longitudinal beams 4 of the frame 1 and is positioned behind the anti-collision cross beam 2, the fuel cell system module 6 is arranged in the front engine room, the fuel cell system module 6 is arranged on the two front longitudinal beams 4 of the frame 1 and the front engine room rear cross beam 3 and is positioned behind the cooling system module 5, the hydrogen supply system module is positioned in the middle of the frame 1 and comprises three hydrogen bottles 7, the three hydrogen bottles 7 are arranged side by side along the Y-axis direction of the vehicle and are fixed on the frame 1 through binding bands, the driving motor 8 is arranged behind the hydrogen supply system module, the driving motor 8 is connected with a differential mechanism 10 through a transmission shaft 9, the transmission shaft 9 is positioned at the position where the Y-axis of the vehicle is 0, the battery pack 12 is arranged above a rear axle assembly 11 and is arranged on two rear longitudinal beams 15 at the tail part of the frame 1, the super capacitor 13 is arranged at the tail part of the frame 1, and it is mounted on two cross beams 16 at the rear of the frame 1, and the DC/DC14 is mounted on two rear longitudinal beams 15 at the rear of the frame 1.
Referring to fig. 1, three hydrogen bottles 7 in the hydrogen supply system module are arranged in a stepped manner, the middle hydrogen bottle 7 is located at a position where the vehicle Y is equal to 0, the two hydrogen bottles 7 are symmetrically arranged with respect to the middle hydrogen bottle 7, and the two hydrogen bottles 7 and the middle hydrogen bottle 7 are partially overlapped in the vehicle Y axis direction. In the limited structural space of the lower vehicle body, the volume of the hydrogen bottle 7 can be maximized after the stepped arrangement is adopted, and the endurance mileage of the vehicle is maximized.
Please refer to fig. 2, which is a side view of the frame 1, wherein the left side is a head and the right side is a tail, cage structures 17 are disposed on the frame 1 at the hydrogen bottles 7 on the two sides, and the cage structures 17 prevent the hydrogen bottles 7 from being impacted. That is, when the automobile is subjected to side collision, the hydrogen bottles 7 on both sides are protected by the cage-shaped structure 17 on the frame 1.
According to the invention, by adopting a modularized integrated arrangement method, each system component is installed in a designated area on the frame 1, and then the wiring harness, the cooling pipeline and the hydrogen supply pipeline are connected, so that the whole space of the lower automobile body of the automobile is fully utilized, and various performance requirements are met; the hydrogen supply system module and the battery pack 12 are arranged in the middle of the frame 1, and if the automobile collides forwards or backwards or turns on one side, the safety of the hydrogen bottle 7 and the battery pack 12 can be effectively protected.
Of course, the above is only the preferred embodiment of the present invention, and the application range of the present invention is not limited thereto, so all the equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a lower automobile body structure of fuel cell hydrogen energy car which characterized in that: the hydrogen supply system comprises a frame, and a cooling system module, a fuel cell system module, a hydrogen supply system module, a driving motor, a battery pack, a super capacitor and a DC/DC (direct current/direct current) which are arranged on the frame, wherein the left and right symmetrical lines of the frame 1 are the X axis of a vehicle, the direction perpendicular to the left and right symmetrical lines of the frame 1 is the Y axis direction of the vehicle, the cooling system module is arranged at the front ends of two front longitudinal beams of the frame and is positioned behind an anti-collision cross beam, the fuel cell system module is arranged in a front engine room, the fuel cell system module is arranged on the two front longitudinal beams of the frame and the rear cross beam of the front engine room and is positioned behind the cooling system module, the hydrogen supply system module is positioned in the middle of the frame, the hydrogen supply system module comprises three hydrogen bottles, the three hydrogen bottles are arranged side by side along the Y axis direction of the vehicle and are fixed, driving motor passes through the transmission shaft and is connected with differential mechanism, and the transmission shaft is located vehicle Y0 department, the battery package is arranged in rear axle assembly top, and it installs on two back longerons of frame afterbody, super capacitor arranges at the frame afterbody, and its installs on two crossbeams of frame afterbody, DC/DC installs on two back longerons of frame afterbody.
2. The lower body structure of a fuel cell hydrogen vehicle according to claim 1, characterized in that: three hydrogen bottles in the hydrogen supply system module adopt cascaded arrangement, and middle hydrogen bottle is located vehicle Y0 department, and both sides hydrogen bottle is about middle hydrogen bottle symmetrical arrangement, and both sides hydrogen bottle and middle hydrogen bottle partly overlap on vehicle Y axle direction.
3. The lower body structure of a fuel cell hydrogen vehicle according to claim 2, characterized in that: the frame is provided with cage-shaped structures at the hydrogen bottles at two sides, and the cage-shaped structures play a role in preventing the hydrogen bottles from being impacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194080.2U CN214001361U (en) | 2020-09-29 | 2020-09-29 | Lower vehicle body structure of fuel cell hydrogen energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194080.2U CN214001361U (en) | 2020-09-29 | 2020-09-29 | Lower vehicle body structure of fuel cell hydrogen energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214001361U true CN214001361U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022194080.2U Active CN214001361U (en) | 2020-09-29 | 2020-09-29 | Lower vehicle body structure of fuel cell hydrogen energy vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN214001361U (en) |
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2020
- 2020-09-29 CN CN202022194080.2U patent/CN214001361U/en active Active
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