CN113184061A - Multi-material new energy passenger car - Google Patents
Multi-material new energy passenger car Download PDFInfo
- Publication number
- CN113184061A CN113184061A CN202110677497.0A CN202110677497A CN113184061A CN 113184061 A CN113184061 A CN 113184061A CN 202110677497 A CN202110677497 A CN 202110677497A CN 113184061 A CN113184061 A CN 113184061A
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- CN
- China
- Prior art keywords
- side wall
- new energy
- top cover
- main body
- energy passenger
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/043—Superstructures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/06—Connections between superstructure or understructure sub-units readily releasable
- B62D27/065—Connections between superstructure or understructure sub-units readily releasable using screwthread
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a multi-component material new energy passenger car, which comprises a top cover, a side wall, a front wall, a rear step and a bottom frame, wherein the top cover, the side wall, the front wall, the rear step and the bottom frame are mutually assembled; the front wall and the rear wall comprise aluminum alloy frameworks formed by splicing a plurality of aluminum alloy tubes; the underframe comprises a steel skeleton formed by splicing a plurality of steel pipes, and the rear end of the steel skeleton is provided with a step plate; the top cover comprises a top cover main body, the side wall comprises a side wall main body, and a reinforcing section bar and a side wall skin which are arranged on the side wall main body, and the top cover main body, the side wall main body and the step plate are all integrally made of composite plates. According to the structural characteristics and requirements of each large piece of the vehicle body, the design principle of multi-element materials is innovatively adopted for optimization and improvement, so that the mass of the vehicle body is reduced by more than 25%, the production and installation processes are simplified, the modular assembly is facilitated, the cruising ability of the new energy passenger vehicle is prolonged, and the light weight level and the economic benefit of the new energy passenger vehicle are obviously improved.
Description
Technical Field
The invention relates to the technical field of passenger cars, in particular to a multi-material new energy passenger car.
Background
In recent years, new forms of energy buses mostly adopt the overlap joint mode of traditional passenger cars, and each encloses and forms by rectangular steel pipe welding, and each encloses to splice again and forms the passenger car body, and this kind of passenger car body quality is heavy, the technology is complicated, is unfavorable for the modularization production installation, and is unfavorable for the long distance continuation of the journey of new forms of energy passenger car. In addition, the car body welded by the rectangular steel pipes needs to be provided with a large number of interior trim structures to ensure that the interior of the carriage is smooth and attractive, and the process is time-consuming and labor-consuming.
Disclosure of Invention
The invention provides a multi-component new energy passenger car, which mainly aims to reduce the weight of a new energy passenger car body and simplify the manufacturing process of the new energy passenger car body, thereby prolonging the endurance mileage of the new energy passenger car.
The invention adopts the following technical scheme:
a multi-component material new energy passenger car comprises a top cover, a side wall, a front wall, a rear wall and a bottom frame which are mutually assembled; the front wall and the rear wall comprise aluminum alloy frameworks formed by splicing a plurality of aluminum alloy tubes; the chassis comprises a steel skeleton formed by splicing a plurality of steel pipes, and a step plate is arranged at the rear end of the steel skeleton; the top cap includes the top cap main part, the side wall includes the side wall main part and sets up in the reinforcement section bar and the side wall covering of side wall main part, top cap main part, side wall main part and step board are made by composite board an organic whole.
Further, the composite board is of a three-layer sandwich structure.
Furthermore, the upper surface layer and the lower surface layer of the composite board are formed by alternately laying carbon fibers and glass fibers; the sandwich layer of the composite board is formed by filling rigid foam, PET or aluminum honeycomb plates.
Still further, top cap main part, side wall main part and step board all are equipped with a plurality of and are convenient for install the relevant part bury indisputable, should bury indisputable set up in composite board's upper epidermis is inside.
Further, the side wall skin is made of a thermoplastic composite board.
Further, the thermoplastic composite board is of a three-layer sandwich structure.
Still further, the upper surface layer and the lower surface layer of the thermoplastic composite board are carbon fiber boards, glass fiber boards or aluminum boards, and the sandwich layer of the thermoplastic composite board is a PP honeycomb board.
Further, the top cover also comprises a battery pack assembly arranged on the top cover main body, the battery pack assembly comprises a bracket and a battery pack outer cover, the bracket is fixedly arranged on the top cover main body in a gluing and connecting piece locking mode, and the battery pack outer cover is detachably covered outside the bracket.
Furthermore, the front end of the top cover main body is fixedly provided with an air conditioner base, and the rear end of the top cover main body is provided with an air window communicated with the inside of the vehicle.
Further, the side wall, the top cover and the bottom frame are connected through bolts; the side wall is fixedly connected with the front wall and the rear wall through L-shaped mounting brackets matched with bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the structural characteristics and requirements of each large piece of the vehicle body, the design principle of multi-element materials is innovatively adopted for optimization and improvement, the front wall and the rear wall of the passenger vehicle are made of aluminum alloy frameworks with light weight, the underframe is made of a high-strength steel framework, and the top cover main body, the side wall main body and the step plate are made of composite plates integrally, so that the number of parts is greatly reduced, the mass of the vehicle body is reduced by more than 25%, the production and installation processes are simplified, the modular assembly is facilitated, the cruising ability of the new energy passenger vehicle is prolonged, and the light weight level and the economic benefit of the new energy passenger vehicle are obviously improved.
2. The three-layer structure design of the composite board has both strength and rigidity, can meet the mechanical property design and lightweight design of a vehicle body structure, and has the characteristics of heat insulation, flame retardance and fire resistance, so that the vehicle body really realizes the framework-free design concept of the top cover and the side wall. The mould face of composite board is located the automobile body inboard during the installation for roof and side wall surface are smooth and level in the carriage, can directly carry out the processing of spraying paint, replace traditional automobile body interior trim, thereby effectively reduce the quantity of spare part, and be favorable to improving whole pleasing to the eye degree.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an exploded view of the base frame of the present invention.
Fig. 4 is an exploded view of the side panel of the present invention.
Fig. 5 is a partial cross-sectional view of section a-a in fig. 1.
Fig. 6 is a cross-sectional view of section B-B in fig. 3.
Fig. 7 is a schematic cross-sectional view of a thermoplastic composite panel according to the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details.
Referring to fig. 1 to 6, the multi-component new energy passenger car comprises a top cover 1, a side wall 2, a front wall 3, a rear wall 4 and a bottom frame 5 which are mutually assembled; the front wall 3 and the rear wall 4 comprise aluminum alloy frameworks 31 and 41 formed by splicing a plurality of aluminum alloy pipes; the underframe 5 comprises a steel skeleton 51 formed by splicing a plurality of high-strength rectangular steel pipes, and the rear end of the steel skeleton 51 is provided with a step plate 52; the top cover 1 comprises a top cover main body 11, the side wall 2 comprises a side wall main body 21, and a reinforcing section bar 22 and a side wall skin 23 which are arranged on the side wall main body 21, and the top cover main body 11, the side wall main body 21 and the step plate 52 are all integrally made of composite plates C. According to the structural characteristics and requirements of each large piece of the vehicle body, the design principle of multi-component materials is innovatively adopted for optimization and improvement, the front wall 3 and the rear wall 4 of the passenger vehicle are made of aluminum alloy frameworks with light weight, the underframe 5 is made of high-strength steel frameworks, and the top cover main body 11, the side wall main body 21 and the step plate 52 are integrally formed by composite plates C, so that the mass of the vehicle body is reduced by more than 25%, the production and installation processes are simplified, the modular assembly is facilitated, the cruising ability of the new energy passenger vehicle is prolonged, and the light weight level and the economic benefit of the new energy passenger vehicle are obviously improved.
Referring to fig. 1, 2, 4 and 5, the composite board C has a three-layer sandwich structure. Specifically, the upper surface layer C1 and the lower surface layer C3 of the composite board C are both formed by alternately laying carbon fibers and glass fibers; the sandwich layer C2 of the composite board is filled by rigid foam, PET or PET honeycomb boards. Preferably, the sandwich layer C2 in this embodiment is made of rigid foam. The three-layer sandwich structure design of the composite board C has both strength and rigidity, can meet the mechanical property design and lightweight design of a vehicle body structure, and has the characteristics of heat insulation, flame retardance and fire resistance, so that the vehicle body really realizes the framework-free design concept of the top cover 1 and the side wall 2. The mould face of composite board C is located the automobile body inboard during the installation for roof and side wall surface are smooth and level in the carriage, can directly carry out the processing of spraying paint, replace traditional automobile body interior trim part, thereby effectively reduce the quantity of spare part, and be favorable to improving whole pleasing to the eye degree.
Referring to fig. 2, 3 and 6, in order to facilitate installation of seats and other components, the step plate 52 is provided with a plurality of buried irons 521 at designated positions, and the buried irons 521 are disposed inside the upper surface C1 of the composite panel C, whereby structural features and advantages of the composite panel C can be completely maintained. In addition, the top cover main body 11 and the inner side of the side wall main body 21 are also provided with similar iron embedding structures.
Referring to fig. 4 and 7, the side wall skins 23 are made of a thermoplastic composite board D having a three-layer sandwich structure, in which the upper skin layer D1 and the lower skin layer D3 are carbon fiber boards, glass fiber boards, or aluminum boards, and the sandwich layer D2 is a PP honeycomb board. During installation, the side wall skin 23 is fixed on the surface of the reinforcing section bar 22 through glue adhesion, and the reinforcing section bar 22 is fixed on the surface of the side wall main body 21 through riveting and glue adhesion. In order to enhance the side wall bearing capacity and the function of adhering the side wall skin 23, the reinforced section bar 22 adopts a structure design of a Chinese character 'ji' shape and is made of an aluminum alloy material.
Referring to fig. 1, 2 and 4, specifically, the reinforcing section bar 22 of the left side wall of the vehicle body further comprises an upper shaping beam, a side longitudinal beam, a window upright post, a waist beam, a wheel arch bar, a longitudinal reinforcing beam, a skirt edge beam and the like; the reinforced section bar of the right side wall of the automobile body further comprises a rear door upright post, an upper shaping beam, a side longitudinal beam, a window upright post, a front door upright post, a waist beam, a wheel opening arc rod, a longitudinal reinforcing beam, a skirt edge beam and the like.
Referring to fig. 1 and 2, the top cover 1 further includes a battery pack assembly 12 disposed on the top cover main body 11, the battery pack assembly 12 includes an aluminum alloy battery bracket 121 and a battery pack housing 122, the bracket 121 is fixedly disposed on the top cover main body 11 by gluing and fastening with a connector, and the battery pack housing 122 is detachably covered outside the bracket 121. In addition, the top cover main body 11 is provided at a front end thereof with an air conditioning base 13 and at a rear end thereof with an air window 14 communicating with the inside of the vehicle. Preferably, the bracket 121 is made of an aluminum alloy.
Referring to fig. 1, 2 and 5, each large assembly of the vehicle body is mainly connected by bolts, riveting and bonding; specifically, the side body main body 21 is connected with the top cover main body 11 through a bolt; the edge of the steel skeleton 51 of the underframe 5 is provided with 9-shaped square steel, perforated square steel or an L-shaped plate, and the square steel or the L-shaped plate is matched and connected with the side body main body 21 through bolts; and the side wall main body 21 is fixedly connected with the front wall 3 and the rear wall 4 through L-shaped mounting brackets and matched bolts. Preferably, the mounting bracket is an L-shaped ferrous profile. Therefore, the splicing process of the large sheets of the vehicle body is simplified, the rapid disassembly and assembly are facilitated, the transportation is facilitated, and the cruising ability of the new energy passenger vehicle is prolonged.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. A multi-component material new energy passenger car comprises a top cover, a side wall, a front wall, a rear wall and a bottom frame which are mutually assembled; the method is characterized in that: the front wall and the rear wall comprise aluminum alloy frameworks formed by splicing a plurality of aluminum alloy tubes; the chassis comprises a steel skeleton formed by splicing a plurality of steel pipes, and a step plate is arranged at the rear end of the steel skeleton; the top cap includes the top cap main part, the side wall includes the side wall main part and sets up in the reinforcement section bar and the side wall covering of side wall main part, top cap main part, side wall main part and step board are made by composite board an organic whole.
2. The multi-material new energy passenger car as claimed in claim 1, wherein: the composite board is of a three-layer sandwich structure.
3. The multi-material new energy passenger car as claimed in claim 2, wherein: the upper surface layer and the lower surface layer of the composite board are formed by alternately laying carbon fibers and glass fibers; the sandwich layer of the composite board is formed by filling rigid foam, PET or aluminum honeycomb plates.
4. The multi-material new energy passenger car as claimed in claim 3, wherein: the top cover main body, the side wall main body and the step plate are all provided with a plurality of pieces of iron convenient for installation of relevant parts, and the iron is arranged inside the upper surface layer of the composite board.
5. The multi-material new energy passenger car as claimed in claim 1, wherein: the side wall skin is made of a thermoplastic composite board.
6. The multi-material new energy passenger car as claimed in claim 5, wherein: the thermoplastic composite board is of a three-layer sandwich structure.
7. The multi-material new energy passenger car as claimed in claim 6, wherein: the upper surface layer and the lower surface layer of the thermoplastic composite board are carbon fiber boards, glass fiber boards or aluminum boards, and the sandwich layer of the thermoplastic composite board is a PP honeycomb board.
8. The multi-material new energy passenger car as claimed in claim 1, wherein: the top cover further comprises a battery pack assembly arranged on the top cover main body, the battery pack assembly comprises a bracket and a battery pack outer cover, the bracket is fixedly arranged on the top cover main body in a gluing and connecting piece locking mode, and the battery pack outer cover is detachably covered outside the bracket.
9. The multi-material new energy passenger car as claimed in claim 8, wherein: the front end of the top cover main body is fixedly provided with an air conditioner base, and the rear end of the top cover main body is provided with an air window communicated with the inside of the vehicle.
10. The multi-material new energy passenger car as claimed in claim 1, wherein: the side wall, the top cover and the bottom frame are connected through bolts; the side wall is fixedly connected with the front wall and the rear wall through L-shaped mounting brackets matched with bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677497.0A CN113184061A (en) | 2021-06-18 | 2021-06-18 | Multi-material new energy passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677497.0A CN113184061A (en) | 2021-06-18 | 2021-06-18 | Multi-material new energy passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113184061A true CN113184061A (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110677497.0A Pending CN113184061A (en) | 2021-06-18 | 2021-06-18 | Multi-material new energy passenger car |
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| Country | Link |
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| CN (1) | CN113184061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428238A (en) * | 2021-08-04 | 2021-09-24 | 安徽安凯汽车股份有限公司 | Novel top structure of electric motor coach |
-
2021
- 2021-06-18 CN CN202110677497.0A patent/CN113184061A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428238A (en) * | 2021-08-04 | 2021-09-24 | 安徽安凯汽车股份有限公司 | Novel top structure of electric motor coach |
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