CN112582730A - New energy automobile lightweight battery package and new energy automobile - Google Patents
New energy automobile lightweight battery package and new energy automobile Download PDFInfo
- Publication number
- CN112582730A CN112582730A CN202011545889.3A CN202011545889A CN112582730A CN 112582730 A CN112582730 A CN 112582730A CN 202011545889 A CN202011545889 A CN 202011545889A CN 112582730 A CN112582730 A CN 112582730A
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- Prior art keywords
- new energy
- energy automobile
- plate
- battery pack
- tray
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a light-weight battery pack of a new energy automobile and the new energy automobile. The tray comprises an inner wall plate and an outer wall plate arranged on the outer side of the inner wall plate, a gap is formed between the inner wall plate and the outer wall plate, and a foaming layer for heat preservation and heat insulation is filled in the gap between the inner wall plate and the outer wall plate. The cover body comprises an outer plate, an inner plate and a foaming layer filled between the outer plate and the inner plate and used for heat preservation and heat insulation. The inner wall plate, the outer plate and the inner plate are all CFRP plates. So set up, tray and apron are formed "sandwich structure" by two-layer CFRP board and middle foaming layer respectively for the intensity and the rigidity of battery package are better, and the lightweight effect is showing, and the foaming layer in the middle of moreover can avoid the temperature variation to produce the influence to the group battery in the battery package, promotes new energy automobile's duration.
Description
Technical Field
The invention relates to the technical field of new energy vehicles, in particular to a light-weight battery pack of a new energy vehicle and the new energy vehicle.
Background
At present, a battery pack of a new energy automobile mainly adopts a mode of combining an aluminum alloy tray and a battery cover formed by injection molding of engineering plastics, so that the weight of the battery pack is large, the cruising ability of the new energy automobile is greatly limited, and the battery pack does not have the heat preservation and insulation effect, so that the cruising mileage of the new energy automobile is extremely easily influenced by temperature change. Therefore, how to solve the problem that the battery pack of the new energy automobile in the prior art is heavy and does not have the heat preservation and insulation effects is a technical problem that needs to be solved urgently by the technical staff in the field.
Disclosure of Invention
The invention aims to provide a light-weight battery pack of a new energy automobile and the new energy automobile, which are light in weight and good in heat preservation and insulation effects.
In order to solve the problems, the invention provides a light-weight battery pack of a new energy automobile, which comprises a tray and a cover body, wherein the tray is provided with at least one opening for placing a battery pack of the new energy automobile; the tray include interior wallboard with set up in the out-wall board in the interior wallboard outside, interior wallboard with the clearance has between the out-wall board, interior wallboard with clearance intussuseption between the out-wall board is filled with and is used for the thermal-insulated foaming layer that keeps warm, the lid include planking and inner panel and fill in the planking with be used for the thermal-insulated foaming layer that keeps warm between the inner panel, interior wallboard the out-wall board the planking with the inner panel is the CFRP board.
Preferably, a first sealing plate is arranged between the edge of the inner wall plate and the edge of the outer wall plate, and two sides of the first sealing plate are respectively connected with the inner wall plate and the outer wall plate so as to form a cavity for accommodating a foaming layer between the inner wall plate and the outer wall plate.
Preferably, a second sealing plate is arranged between the edge of the outer plate and the edge of the inner plate, and two sides of the second sealing plate are respectively connected with the inner plate and the outer plate so as to form a cavity for accommodating a foaming layer between the inner plate and the outer plate.
Preferably, the tray and the cover are detachably connected.
Preferably, the tray and the cover are detachably connected by a screw.
Preferably, the cover body is provided with a through hole for the screw to pass through, a threaded hole is formed in the position of the tray corresponding to the through hole, and the screw passes through the through hole and is screwed with the threaded hole.
Preferably, the number of the through holes is multiple, and the multiple through holes are distributed along the edge of the cover body.
The new energy automobile comprises a chassis and a new energy automobile lightweight battery pack arranged on the chassis, wherein the new energy automobile lightweight battery pack is any one of the new energy automobile lightweight battery packs.
Preferably, the number of the new energy automobile battery packs is two, and the two new energy automobile battery packs are arranged on two sides of the chassis.
Preferably, the tray further comprises a battery pack disposed in the tray.
In the technical scheme provided by the invention, the light-weight battery pack for the new energy automobile comprises a tray and a cover body, wherein the tray is provided with at least one opening for placing a battery pack of the new energy automobile, and the cover body is used for covering and opening the opening of the tray. The tray comprises an inner wall plate and an outer wall plate arranged on the outer side of the inner wall plate, a gap is formed between the inner wall plate and the outer wall plate, and a foaming layer for heat preservation and heat insulation is filled in the gap between the inner wall plate and the outer wall plate. The cover body comprises an outer plate, an inner plate and a foaming layer filled between the outer plate and the inner plate and used for heat preservation and heat insulation. The inner wall plate, the outer plate and the inner plate are all CFRP plates. So set up, tray and apron form "sandwich structure" by two-layer CFRP (Carbon Fibre-reinforced Polymer, Carbon fiber reinforcement base combined material) board and middle foaming layer for the intensity and the rigidity of battery package are better, and the lightweight effect is showing, and middle foaming layer can avoid the temperature variation to produce the influence to the group battery in the battery package moreover, promotes new energy automobile's duration.
In addition, the inner wall plate, the outer wall plate, the inner plate and the outer plate can be produced in a modularization mode, and the number of parts of the new energy automobile can be greatly reduced due to the fact that the large parts are formed in a modularization mode at one time, the assembly process of the automobile is optimized, production line efficiency is improved, and production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lightweight battery pack of a new energy vehicle in an embodiment of the invention;
FIG. 2 is an enlarged view of a portion I of FIG. 1;
fig. 3 is a schematic view of a state of the new energy automobile lightweight battery pack mounted on a new energy automobile chassis in the embodiment of the invention;
fig. 4 is a partial enlarged view of ii in fig. 3.
Reference numerals:
1. a tray; 2. a cover body; 3. an inner wall panel; 4. an outer wall panel; 5. an inner plate; 6. an outer plate; 7. a first sealing plate; 8. a second sealing plate; 9. a battery pack; 10. a chassis.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention recited in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1 to 4, the light-weight battery pack for the new energy automobile provided by the embodiment of the invention comprises a tray 1 for placing a battery pack 9 of the new energy automobile and a cover body 2 matched with the tray 1. Wherein, the tray 1 is provided with at least one opening, for example, as shown in fig. 1, the top end of the tray 1 is provided with an opening, and the cover body 2 is used for covering and uncovering the opening of the tray 1. Referring to fig. 1, the tray 1 includes an inner wall plate 3 and an outer wall plate 4 disposed outside the inner wall plate 3, a gap is formed between the inner wall plate 3 and the outer wall plate 4, and a foaming layer for heat preservation and insulation is filled in the gap between the inner wall plate 3 and the outer wall plate 4. That is, the entire tray 1 has a "sandwich structure". The lid body 2 includes an outer panel 6, an inner panel 5, and a foam layer filled between the outer panel 6 and the inner panel 5 for heat preservation and insulation. That is, the entire lid 2 has a "sandwich structure". The foamed layer may be formed of a foamed material known to those skilled in the art. The inner wall plate 3, the outer wall plate 4, the outer plate 6 and the inner plate 5 are Carbon fiber-reinforced Polymer (CFRP) plates.
So set up, tray 1 and apron form "sandwich structure" by two-layer CFRP (Carbon fiber-reinforced Polymer, Carbon fiber reinforcement base combined material) board and middle foaming layer for the intensity and the rigidity of battery package are better, and the lightweight effect is showing, and middle foaming layer can avoid the temperature variation to produce the influence to group battery 9 in the battery package moreover, promotes new energy automobile's duration.
In addition, the inner wall plate 3, the outer wall plate 4, the inner plate 5 and the outer plate 6 can be produced in a modularized mode, and therefore the number of parts of the new energy automobile can be greatly reduced due to the large parts formed in one step in a modularized mode, the assembly process of the automobile is optimized, the production line efficiency is improved, and the production cost is reduced.
In some embodiments, a first sealing plate 7 is provided between the edge of the inner wall plate 3 and the edge of the outer wall plate 4. The first sealing plate 7 is connected to the inner wall plate 3 and the outer wall plate 4 at both sides thereof, respectively, to form a cavity for receiving a foaming layer between the inner wall plate 3 and the outer wall plate 4. In other embodiments, a second sealing plate 8 is provided between the edge of the outer plate 6 and the edge of the inner plate 5. The two sides of the second sealing plate 8 are respectively connected with the inner plate 5 and the outer plate 6, so as to form a cavity for accommodating the foaming layer between the inner plate 5 and the outer plate 6.
In some embodiments, the tray 1 and the cover 2 are removably attached. Referring to fig. 1, the tray 1 and the cover 2 are optionally detachably connected by screws. Specifically, the cover 2 is provided with a through hole for a screw to pass through, a threaded hole is formed in a position of the tray 1 corresponding to the through hole, and the screw passes through the through hole and is screwed with the threaded hole. Referring to fig. 1, the number of the through holes is plural, and the plural through holes are distributed along the edge of the lid body 2. This provides a more secure connection of the cover 2 to the tray 1.
The invention also provides a new energy automobile, which comprises a chassis 10 and a new energy automobile lightweight battery pack arranged on the chassis 10, wherein the new energy automobile lightweight battery pack is any one of the new energy automobile lightweight battery packs. Optionally, the new energy automobile further comprises a battery pack 9 arranged in the tray 1. It should be noted that, the new energy automobile includes the new energy automobile lightweight battery pack, and all the advantages of the new energy automobile lightweight battery pack are also provided, and details are not described here.
Referring to fig. 3, optionally, the number of the new energy vehicle battery packs is two, and two new energy vehicle battery packs are disposed on two sides of the chassis 10.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The light-weight battery pack of the new energy automobile is characterized by comprising a tray (1) provided with at least one opening for placing a battery pack (9) and a cover body (2) for covering and uncovering the opening of the tray (1); tray (1) include interior wallboard (3) and set up in exterior wall board (4) in interior wallboard (3) outside, interior wallboard (3) with the clearance has between exterior wall board (4), interior wallboard (3) with the clearance intussuseption between exterior wall board (4) is filled with and is used for the thermal-insulated foaming layer that keeps warm, lid (2) include planking (6) and inner panel (5) and fill in planking (6) with be used for the thermal-insulated foaming layer that keeps warm between inner panel (5), interior wallboard (3) exterior wall board (4) planking (6) with inner panel (5) are the CFRP board.
2. The new energy automobile lightweight battery pack according to claim 1, wherein a first sealing plate (7) is arranged between the edge of the inner wall plate (3) and the edge of the outer wall plate (4), and two sides of the first sealing plate (7) are respectively connected with the inner wall plate (3) and the outer wall plate (4) to form a cavity for accommodating a foaming layer between the inner wall plate (3) and the outer wall plate (4).
3. The new energy automobile lightweight battery pack according to claim 1, wherein a second sealing plate (8) is arranged between the edge of the outer plate (6) and the edge of the inner plate (5), and two sides of the second sealing plate (8) are respectively connected with the inner plate (5) and the outer plate (6) to form a cavity for accommodating a foaming layer between the inner plate (5) and the outer plate (6).
4. The lightweight new energy automobile battery pack as claimed in claim 1, wherein the tray (1) and the cover (2) are detachably connected.
5. The light-weight battery pack of the new energy automobile is characterized in that the tray (1) and the cover body (2) are detachably connected through screws.
6. The new energy automobile lightweight battery pack according to claim 5, wherein a through hole through which the screw passes is provided in the lid (2), a screw hole is provided in a position of the tray (1) corresponding to the through hole, and the screw passes through the through hole and is screwed into the screw hole.
7. The new energy automobile lightweight battery pack according to claim 6, wherein the number of the through holes is plural, and the plural through holes are distributed along an edge of the cover body (2).
8. A new energy automobile, which is characterized by comprising a chassis (10) and a new energy automobile lightweight battery pack arranged on the chassis (10), wherein the new energy automobile lightweight battery pack is the new energy automobile lightweight battery pack as claimed in any one of claims 1 to 6.
9. The new energy automobile according to claim 8, wherein the number of the new energy automobile battery packs is two, and the two new energy automobile battery packs are arranged on two sides of the chassis (10).
10. The new-energy automobile according to claim 8, characterized by further comprising a battery pack (9) provided in the tray (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011545889.3A CN112582730A (en) | 2020-12-24 | 2020-12-24 | New energy automobile lightweight battery package and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011545889.3A CN112582730A (en) | 2020-12-24 | 2020-12-24 | New energy automobile lightweight battery package and new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112582730A true CN112582730A (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011545889.3A Pending CN112582730A (en) | 2020-12-24 | 2020-12-24 | New energy automobile lightweight battery package and new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112582730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021120233A1 (en) | 2021-08-04 | 2023-02-09 | Bayerische Motoren Werke Aktiengesellschaft | Absorber structure, energy storage arrangement, high-voltage storage and method for producing an absorber structure |
-
2020
- 2020-12-24 CN CN202011545889.3A patent/CN112582730A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021120233A1 (en) | 2021-08-04 | 2023-02-09 | Bayerische Motoren Werke Aktiengesellschaft | Absorber structure, energy storage arrangement, high-voltage storage and method for producing an absorber structure |
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