CN115008993A - Integrated power battery and electric automobile - Google Patents
Integrated power battery and electric automobile Download PDFInfo
- Publication number
- CN115008993A CN115008993A CN202210771138.6A CN202210771138A CN115008993A CN 115008993 A CN115008993 A CN 115008993A CN 202210771138 A CN202210771138 A CN 202210771138A CN 115008993 A CN115008993 A CN 115008993A
- Authority
- CN
- China
- Prior art keywords
- battery
- assembly
- battery pack
- upper cover
- integrated power
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- 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
-
- 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
Abstract
The invention discloses an integrated power battery which is provided with a power battery assembly which is flat and has a plate-shaped structure integrally, and the power battery assembly is fixed on a lower assembly of a vehicle body and is used as a bottom plate of the vehicle. According to the invention, through an integrated battery structure, a 12V storage battery, a charger OBC, a DC-DC and a high-voltage box are integrated into the battery pack to form an all-in-one structure, and all electric devices in the battery pack are directly connected through a wire harness, a copper bar and the like, so that parts such as a bracket, a shell and the like are reduced, and the purposes of reducing weight and cost are achieved.
Description
Technical Field
The invention relates to the field of new energy pure electric vehicles, in particular to an integration technology of a power battery and a vehicle body structure of an electric vehicle and a small three-phase power and power battery of the electric vehicle.
Background
With the rapid development of the new energy automobile industry, the market share of new energy vehicles is increased year by year, the new energy vehicle technology is developed steadily, the competition with the traditional fuel oil vehicle is more and more intense, and the main competition mainly embodies a few aspects: the cost of the whole vehicle, effective endurance requirements, intelligent technology, safety and the like; the light weight technology is an indehiscent topic for the automobile industry, which requires the continuous improvement of the light weight level of the whole automobile, while the battery system accounts for about 30 percent of the weight of the whole automobile, and the cost accounts for about 40 percent.
Various companies in the new energy industry have proposed different lightweight schemes and cost reduction measures, such as standard module, CTP and CTC technology which is researched at present, and the purpose is to reduce the number of parts and reduce the cost of the whole vehicle so as to achieve the aims of lightweight and cost reduction; in the scheme for reducing the cost and the weight, the structure of the power battery and other parts of the vehicle body and the whole vehicle have structural function superposition, so that the problems of increasing the number of the parts, increasing the cost and the like are caused.
For example, the following publications on new energy automobile batteries:
CN 114348113A-a body structure of new energy automobile CTC;
CN 214688994U-an integrated vehicle body structure integrating battery pack shell;
CN 216002160U-a vehicle power battery integrated structure;
CN 216033713U-a vehicle body and battery box integrated structure;
all there is car battery bracket weight unbalance, and the structure is complicated, is unfavorable for the lightweight of whole car, is unfavorable for the processing of product, and bracket weight influences whole car energy consumption simultaneously, is unfavorable for increasing pure electric vehicles continuation of the journey mileage scheduling problem.
Disclosure of Invention
The invention realizes a technical scheme of integrating a power battery and a vehicle body and integrating the power battery with three small batteries, and can solve the following problems:
1) the problem that the power battery structure and the lower structural part of the vehicle body are designed in a superposition mode, and functional parts are repeated is solved, and the purpose of light weight is achieved;
2) the problems that the power battery is difficult to maintain after sale in the existing battery integration and CTC technology are solved;
3) the integration of a small three-battery charger OBC, a DC-DC charger and a high-voltage box, a 12V storage battery and a power battery serving as new energy is solved, the number of parts such as structural members, high-voltage and low-voltage wire harnesses and the like is reduced, and the purposes of reducing cost and weight are achieved;
in order to achieve the purpose, the invention adopts the technical scheme that: an integrated power battery is provided with a power battery assembly which is flat and has a plate-shaped structure, and the power battery assembly is fixed on a lower assembly of a vehicle body to be used as a bottom plate of the vehicle.
The seat assembly of the automobile is fixed on the power battery assembly, a seat beam is arranged on the seat assembly, and the seat beam is fixedly connected with an automobile body longitudinal beam of the automobile body lower assembly through a bolt.
The power battery assembly is composed of a battery lower assembly and a battery upper cover covering the battery lower assembly, the battery lower assembly is provided with a bottom shell, the bottom shell is provided with a concave cavity and a fixing edge located on the periphery of the concave cavity, a battery module and an electrical appliance unit are fixed in the concave cavity, a mounting hole is preset in the fixing edge, and the bottom shell is fixedly connected with the battery upper cover through a bolt penetrating through the mounting hole.
The lower surface of the battery upper cover assembly is fixedly provided with a battery pack switching structure through bolts, the battery pack switching structure is connected with the battery module and the electric appliance unit inwards, an interface exposed outside the power battery assembly is arranged, and the electric appliance unit comprises a small three-electric assembly, a storage battery, a BDU and a battery management system.
And a lower vehicle body sealing gasket used for sealing is arranged between the battery upper cover assembly and the vehicle body lower part assembly, and the lower vehicle body sealing gasket is made of silicon rubber, foamed silicon rubber, vehicle body sealing glue or sealing adhesive.
The battery pack switching structure is an independent part fixed at the edge between the battery upper cover assembly and the bottom shell, a switching structure sealing gasket is arranged between the battery pack switching structure and the battery upper cover assembly, and a battery pack sealing gasket is arranged between the battery pack switching structure and the bottom shell
The battery pack switching structure and the battery upper cover assembly are of an integral structure, and a battery pack sealing gasket is arranged between the battery pack switching structure and the bottom shell.
At least one reinforcing rib transversely arranged as a seat beam is fixedly connected to the battery upper cover assembly.
The battery upper cover assembly is provided with a maintenance port, the position of the maintenance port corresponds to the electric appliance unit,
the utility model provides an electric automobile, be fixed with on the electric automobile integrate power battery.
The traditional power battery, a 12V storage battery, a charger OBC, a DC-DC and a high-voltage box are fixed on a vehicle body through corresponding structural members singly or in a two-in-one or three-in-one mode, and then the components are connected into a system through high and low voltage wire harnesses, so that the number, the cost and the complexity of the components are increased; according to the invention, through an integrated battery structure, a 12V storage battery, a charger OBC, a DC-DC and a high-voltage box are integrated into a battery pack to form an all-in-one structure, and all electric devices in the battery pack are directly connected through a wire harness, a copper bar and the like, so that parts such as a bracket, a shell and the like are reduced, and the purposes of reducing weight and cost are achieved;
meanwhile, the 12V storage battery is integrated inside the battery, the weight of the battery can be reduced by 80% by changing into a lithium battery, the space and the weight of the whole vehicle are saved, meanwhile, the service life of the 12V lithium ion storage battery is long, the 12V lithium ion storage battery can be directly charged through the integrated DC-DC, the storage battery is powered as long as the power battery is powered, and the 12V lithium ion storage battery can permanently supply power for a BMS or a thermal runaway detection system, so that the purpose of monitoring the safety of the power battery in the whole life cycle is achieved, and the safety of the power battery is improved without increasing parts.
Drawings
The following is a brief description of the contents of each figure and the symbols in the figures in the description of the invention:
FIG. 1 is a schematic view of a system assembly;
FIG. 2 is an exploded view of the system;
FIG. 3 is an exploded view of the lower battery assembly;
the labels in the above figures are: 100. a power cell assembly; 200. a vehicle body lower assembly; 300. a seat assembly;
110. a battery upper cover assembly; 120. a lower body seal; 130. a battery pack transfer structure; 140. a battery pack sealing gasket; 150. a battery lower assembly;
151. three small electric assemblies; 152. a 12V lithium ion battery; 153. a BDU; 154. a battery module 155, a battery management system; 156. a bottom shell.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments of the present invention, and the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
As shown in fig. 1, the system mainly includes a power battery assembly 100, an underbody assembly 200, a seat assembly 300; as shown in fig. 2, the power battery assembly 100 includes a battery cover assembly 110, a lower body gasket 120, a battery pack adapter 130, a battery pack gasket 140, and a battery lower assembly 150; as shown in fig. 3, the battery lower assembly 150 includes: the small three-electric assembly 151, the 12V lithium ion storage battery 152, the BDU153, the module 154 and the battery management system 155, wherein the small three-electric assembly 151 comprises a charger OBC, a DC-DC and a high-voltage box.
The power battery assembly 100, the underbody assembly 200, and the seat assembly 300 are independent structures, and the power battery assembly 100 includes: the upper battery cover assembly 110 is designed to integrate a seat beam, meanwhile, the upper cover can replace a bottom plate of a vehicle body at the lower part of the whole vehicle and is compatible with the seat beam, and the upper battery cover replaces the bottom plate at the lower part of the vehicle body and the seat beam, so that parts are reduced, and the design cost can be reduced; the upper cover assembly 110 and the lower vehicle body are of a non-integrated structure, and the upper cover and the battery are assembled into a whole and assembled on the vehicle body together; in order to increase the strength of the seat cross beam, the seat cross beam can be fixedly connected with the vehicle body longitudinal beam through bolts;
a lower body seal 120, which mainly serves to seal the body shell when the battery pack upper cover and the lower body are assembled, and can be silicone rubber, foamed silicone rubber, body sealant, sealing adhesive, etc.; after the battery pack is integrally assembled in the design scheme, the upper cover of the battery pack and the vehicle body can be separated or bonded together and are connected through bolts;
the battery pack switching structure 130 is a switching structure for connecting the battery upper cover assembly 110 and the battery lower assembly 150, so that the battery pack structure before loading is an independent whole, and the single-pack strong detection test, the safety and air tightness test and the like can be met; the upper part of the battery pack adapter structure 130 is connected with the battery upper cover assembly 110, and the lower part is connected with the battery lower assembly 150, wherein the upper part and the box cover of the battery pack adapter structure 130 are provided with separate sealing gaskets, and the lower part and the battery lower assembly 150 are provided with sealing gaskets; the battery pack adapter 130 and the battery cover assembly 110 may also be designed as an integral structure, which may reduce one sealing gasket and increase the sealing reliability;
the battery pack sealing gasket 140 is made of sealing silicon rubber, foaming silica gel and the like, is mainly used for sealing the battery pack switching structure 130 and the battery lower assembly 150, has a structure of surrounding the sealing surface around the box body, is adjustable in thickness, and mainly ensures the sealing performance of the box body, and can support the disassembly for a certain number of times, so that the maintainability of a battery system is ensured.
The lower battery assembly 150 is a main part of the power battery and comprises a BDU153, a module 154, a battery management system 155 and other parts, namely a small three-battery assembly 151 and a 12V lithium ion battery 152, of the integrated whole vehicle, wherein the BDU153, the module 154 and the battery management system 155 are connected to a lower battery shell through bolts according to a conventional design and are connected through high-voltage and low-voltage wiring harnesses and electric devices to form the power battery system; moving electric devices outside a conventional battery pack to a small three-electric assembly 151 inside the battery pack, forming a system by a 12V lithium ion storage battery 152 through high-voltage and low-voltage wire harnesses according to the high-voltage principle of the whole vehicle; the integration of the three small and medium electric assemblies 151 into the battery pack saves the cost of wiring harnesses and plug-ins, and avoids the occurrence of high-voltage interlocking detection and other faults among the plug-ins; the 12V lithium ion storage battery 152 can directly utilize the electric energy of the power battery in the battery pack to charge the 12V lithium ion storage battery 152 through the DCDC, and because the electric quantity required by the 12V lithium ion storage battery 152 is small, the 12V lithium ion storage battery 152 can be charged even if the power battery is in a certain power shortage state, the 12V lithium ion storage battery 152 is ensured to be always in a power supply state to meet the requirement of the battery management system 155, and the condition of the power battery can be detected in a full life cycle;
the lower vehicle body assembly 200 is of a frame structure consisting of longitudinal beams and transverse beams, wherein a surface matched with the upper cover of the battery pack is arranged at the joint position of the lower vehicle body assembly and the upper cover of the battery pack so as to ensure that the sealing performance of a lower shell is realized through a lower vehicle body sealing gasket 120; meanwhile, a structure for fixing the bolt, such as a nut or a nut sleeve and a structural member with a nut function, should be arranged on the longitudinal beam or the cross beam of the vehicle body lower assembly 200, so as to ensure that the power battery assembly 100 can be firmly fixed and meet the structural performance requirement when being installed and fixed through the bolt; the seat assembly 300 is fixed to the seat cross member of the battery cover assembly 110.
The edge of the battery lower assembly 150 is provided with a sealing surface which is matched with the lower part of the battery pack adapter structure 130 to meet the requirement of battery sealing; the periphery of the battery pack adapter structure 130 is provided with bolt mounting holes, one part of the battery pack adapter structure is used for fixing with a longitudinal beam or a cross beam in the vehicle body lower assembly 200, and the other part of the battery pack adapter structure is used for fixing the battery pack lower assembly 150, wherein the battery pack adapter structure 130 and the battery pack lower assembly 150 are fixedly connected and fixed, the whole battery pack assembly 100 is fixed on a vehicle body through bolts by passing through the mounting holes of the nut sleeves after the air tightness test of the battery pack is completed, and other through holes of the adapter bracket are also fixed on the longitudinal beam of the vehicle body through the bolts, so that the structural assembly of the whole battery pack 100 is completed; the battery pack assembly in the assembly comprises a seat assembly, so that the whole assembly can be integrally lifted and assembled when a battery pack is installed, and the assembly efficiency is improved by adopting split assembly to the assembly;
when the battery pack is disassembled and maintained, the bolt battery lower assembly 150 of the nut sleeve part is only required to be disassembled to be integrally disassembled, and the maintenance can be carried out without moving the upper cover of the battery pack and the distribution of seats;
in order to facilitate maintenance, a maintenance opening can be formed in the upper cover of the battery pack, namely the bottom plate in the cabin, and maintenance can be performed on parts which can be aligned with the wearing parts and need to be maintained frequently, such as the small three-electric assembly 151, the 12V lithium ion storage battery 152, the BDU153, the battery management system 155 and the like, and when a fault occurs, maintenance can be performed through the internal maintenance opening without disassembling the whole battery pack;
through the integration of the system structure, the integration of electric devices and the optimization of the structure, the invention can realize the functions of light weight, convenient maintenance, cost reduction and the like, and solves the problems of difficult maintenance, cost increase and the like of the existing CTC or battery integration lower part vehicle body outgoing line;
the integrated system is integrally designed in the way that the number of parts is reduced, the cost is reduced and the weight is lightened through the integration of the power battery shell and the lower vehicle body of the whole vehicle; the innovation point is that the power battery structure is not directly integrated on the vehicle body, but is switched through a structure of the power battery shell, so that the integrated design is realized after the power battery is assembled, the later-stage disassembly, assembly and maintenance of the power battery are not influenced, and the convenience and the maintainability are improved; meanwhile, the requirement on the sealing performance of the lower vehicle body is met; in addition, the integration of the battery pack and the vehicle body structure increases the Z-direction space utilization rate, so that more electric quantity of the battery can be distributed or the ground clearance of the whole vehicle can be increased, the passing performance of the whole vehicle can be improved, and the like.
In addition, compared with the traditional CTC (integrated tray battery slow-long upper cover or battery integration to the vehicle body frame), the problem of national strong standard detection of the power battery is solved, the safety problems of airtight detection and processing, manufacturing and transportation of products in the manufacturing process of the power battery are solved, and the convenience of after-sale maintenance of a battery packaging vehicle is realized; simultaneously the power battery upper cover can also integrate automobile body inner structure spare, for example the seat crossbeam, can adorn the seat on the battery package in advance, and the convenience of seat assembly has been solved to whole the packing into from the lower part.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (10)
1. The utility model provides an integrate power battery, is equipped with the whole flat power battery assembly that is platelike structure, its characterized in that: and the power battery assembly is fixed on the lower assembly of the automobile body and used as a bottom plate of the automobile.
2. The integrated power cell of claim 1, wherein: the seat assembly of the automobile is fixed on the power battery assembly, a seat beam is arranged on the seat assembly, and the seat beam is fixedly connected with an automobile body longitudinal beam of the automobile body lower assembly through a bolt.
3. The integrated power cell of claim 2, wherein: the power battery assembly is composed of a battery lower assembly and a battery upper cover covering the battery lower assembly, the battery lower assembly is provided with a bottom shell, the bottom shell is provided with a concave cavity and a fixing edge located on the periphery of the concave cavity, a battery module and an electrical appliance unit are fixed in the concave cavity, a mounting hole is preset in the fixing edge, and the bottom shell is fixedly connected with the battery upper cover through a bolt penetrating through the mounting hole.
4. The integrated power cell of claim 3, wherein: the lower surface of the battery upper cover assembly is fixedly provided with a battery pack switching structure through bolts, the battery pack switching structure is connected with the battery module and the electric appliance unit inwards, an interface exposed outside the power battery assembly is arranged, and the electric appliance unit comprises a small three-electric assembly, a storage battery, a BDU and a battery management system.
5. The integrated power cell of claim 4, wherein: and a lower vehicle body sealing gasket used for sealing is arranged between the battery upper cover assembly and the vehicle body lower part assembly, and the lower vehicle body sealing gasket adopts silicon rubber, foamed silicon rubber, vehicle body sealant or sealing adhesive.
6. The integrated power cell of claim 5, wherein: the battery pack switching structure is characterized in that the battery pack switching structure is an independent part and is fixed at the edge between the battery upper cover assembly and the bottom shell, a switching structure sealing gasket is arranged between the battery pack switching structure and the battery upper cover assembly, and a battery pack sealing gasket is arranged between the battery pack switching structure and the bottom shell.
7. The integrated power cell of claim 5, wherein: the battery pack switching structure and the battery upper cover assembly are of an integral structure, and a battery pack sealing gasket is arranged between the battery pack switching structure and the bottom shell.
8. An integrated power cell according to any one of claims 3 to 7, wherein: at least one reinforcing rib transversely arranged as a seat beam is fixedly connected to the battery upper cover assembly.
9. The integrated power cell of claim 8, wherein: and a maintenance port is arranged on the battery upper cover assembly, and the position of the maintenance port corresponds to the electric appliance unit.
10. An electric vehicle, characterized in that: an integrated power battery as claimed in any one of claims 1 to 9 is fixed on the electric automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210771138.6A CN115008993A (en) | 2022-06-30 | 2022-06-30 | Integrated power battery and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210771138.6A CN115008993A (en) | 2022-06-30 | 2022-06-30 | Integrated power battery and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115008993A true CN115008993A (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210771138.6A Pending CN115008993A (en) | 2022-06-30 | 2022-06-30 | Integrated power battery and electric automobile |
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| Country | Link |
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| CN (1) | CN115008993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470225A (en) * | 2023-06-19 | 2023-07-21 | 中国第一汽车股份有限公司 | Bearing type battery upper cover, vehicle and preparation method of bearing type battery upper cover |
-
2022
- 2022-06-30 CN CN202210771138.6A patent/CN115008993A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470225A (en) * | 2023-06-19 | 2023-07-21 | 中国第一汽车股份有限公司 | Bearing type battery upper cover, vehicle and preparation method of bearing type battery upper cover |
| CN116470225B (en) * | 2023-06-19 | 2023-10-27 | 中国第一汽车股份有限公司 | Bearing type battery upper cover, vehicle and preparation method of bearing type battery upper cover |
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