CN118810396B - Range-extended battery pack mounting structure and automobile - Google Patents
Range-extended battery pack mounting structure and automobileInfo
- Publication number
- CN118810396B CN118810396B CN202411212638.1A CN202411212638A CN118810396B CN 118810396 B CN118810396 B CN 118810396B CN 202411212638 A CN202411212638 A CN 202411212638A CN 118810396 B CN118810396 B CN 118810396B
- Authority
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- China
- Prior art keywords
- battery pack
- range
- fixedly connected
- front floor
- crossbeam
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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
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- 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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- 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
- B62D25/20—Floors or bottom sub-units
-
- 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
- B60K2001/0438—Arrangement under the floor
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention belongs to the technical field of extended-range battery packs, and discloses an extended-range battery pack mounting structure and an automobile, wherein the extended-range battery pack mounting structure comprises a floor assembly structure, the upper end of a front floor assembly structure is provided with a fixing unit, a pure battery pack or an extended-range battery pack is fixedly connected with the front floor assembly structure through the fixing unit, both sides of the front floor assembly structure are provided with a battery pack mounting left frame and a battery pack mounting right frame which are beneficial to the mounting stability of the extended-range battery pack, the full-automatic vehicle structure can be optimized, safety and driving experience of a vehicle are improved, the front floor assembly structure is fixedly connected with the front floor assembly structure through the connecting piece, four transition supports are arranged in front of and behind the range-extending battery pack, one end of each bolt is fixedly connected with the range-extending battery pack, the other end of each bolt is fixedly connected with the vehicle body, and the technical problems that front floor assembly parts involved in normal development of the range-extending battery pack need to be redeveloped, development cost is high, period is long, and meanwhile the front floor assembly parts are incompatible with a pure electric platform are solved.
Description
Technical Field
The invention belongs to the technical field of extended-range battery packs, and relates to an extended-range battery pack mounting structure and an automobile.
Background
With the continuous development of new energy automobile markets and the continuous progress of technology, the range-extending battery pack is continuously innovated and perfected and is widely applied to various range-extending electric automobiles, in particular to automobile types requiring long endurance mileage and flexible charging modes. The range-extending battery pack is a device for storing electric energy in the range-extending electric automobile, and is used for cooperating with other battery systems on the automobile, such as a power battery to provide power support for the automobile, when the electric quantity of the power battery of the automobile is insufficient, the range-extending electric automobile can release electric energy, and the electric energy is converted into mechanical energy through the range extender or directly provided for a driving motor, so that the endurance mileage of the automobile is prolonged.
A vehicle type not only needs to meet the arrangement requirements of pure battery packs, but also needs to meet the arrangement requirements of range-extending battery packs. However, the boundary of the pure battery pack is different from the boundary of the range-extended battery pack, compared with the pure battery pack, the range-extended battery pack is smaller than the pure battery pack, meanwhile, the exhaust pipe is required to be avoided, parts of the front floor assembly involved in normal development need to be redeveloped, the development cost is high, the period is long, meanwhile, the battery pack is incompatible with a pure electric platform, the difference exists, and the parts sharing performance is small. Therefore, the structure is changed on the basis of the existing pure electric front floor assembly, and the structure is particularly important to rapidly meet the requirement of fixing the range-extended battery pack.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a range-extended battery pack mounting structure and an automobile, which are changed into a range-extended front floor on the basis of a pure electric front floor assembly, so that the pure electric battery pack, the range-extended battery pack and the range-extended front floor are shared, and the technical problems that front floor assembly parts related to normal development of the range-extended battery pack need to be redeveloped, the development cost is higher, the period is longer and the device is incompatible with a pure electric platform are solved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The invention provides a range-extended battery pack mounting structure which comprises a front floor assembly structure, wherein a fixing unit is arranged at the upper end of the front floor assembly structure, the front floor assembly structure is fixedly connected with a range-extended battery pack through the fixing unit, a left battery pack mounting frame and a right battery pack mounting frame are respectively arranged on two sides of the front floor assembly structure, and the left battery pack mounting frame and the right battery pack mounting frame are fixedly connected with the front floor assembly structure through connecting pieces.
The fixing unit comprises a front seat front cross beam and a front seat rear cross beam, wherein the front seat front cross beam is arranged at the front end of the front floor assembly structure, the front seat rear cross beam is arranged at the rear end of the front floor assembly structure, a first reinforcing plate is arranged in the front seat front cross beam and fixedly connected with the range-extending battery pack through a connecting piece, and a second reinforcing plate is arranged in the front seat rear cross beam and fixedly connected with the range-extending battery pack through a connecting piece.
The fixing unit further comprises a front floor left front beam and a front floor right front beam, wherein the front floor left front beam and the front floor right front beam are arranged on one side, far away from the front seat rear beam, of the front seat front beam, the front floor left front beam is arranged at one end, close to the battery pack, of the left frame, the front floor right front beam is arranged at one end, close to the battery pack, of the right frame, and the front floor left front beam and the front floor right front beam are located on the same horizontal line and are fixedly connected with the front floor assembly structure.
The battery pack right front connecting support is arranged on one side of the battery pack left front connecting support, close to the battery pack right frame, of the front floor assembly structure, one end of the battery pack left front connecting support is fixedly connected with the range-extending battery pack, the other end of the battery pack right front connecting support is fixedly connected with the vehicle body, and one end of the battery pack right front connecting support is fixedly connected with the range-extending battery pack, and the other end of the battery pack right front connecting support is fixedly connected with the vehicle body.
The battery pack right rear connecting bracket is arranged on one side of the left rear connecting bracket of the battery pack, which is close to the right frame of the battery pack, and one end of the battery pack right rear connecting bracket is fixedly connected with the front seat rear cross beam, and the other end of the battery pack right rear connecting bracket is fixedly connected with the vehicle body.
Further, the front seat front cross beam and the front seat rear cross beam are transversely arranged, and the front floor left front cross beam and the front floor right front cross beam are positioned on the same horizontal line.
Further, the left battery pack mounting frame and the right battery pack mounting frame are formed by extrusion of aluminum profiles.
Further, one end of the battery pack mounting left frame is fixedly connected with the vehicle body threshold, the other end of the battery pack mounting right frame is fixedly connected with the vehicle body threshold, and the other end of the battery pack mounting right frame is fixedly connected with the front floor assembly.
Further, the front seat front cross beam, the front seat rear cross beam, the front floor left front cross beam and the front floor right front cross beam adopt steel plates with the thickness of 1.2mm as raw material plates.
The invention also provides an automobile, which comprises the range-extending battery pack mounting structure.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the range-extended battery pack mounting structure, the left battery pack mounting frame and the right battery pack mounting frame are in a ladder shape and are mounted on two sides of the range-extended battery pack, so that the stability of mounting the range-extended battery pack is facilitated, the whole vehicle structure can be optimized to a certain extent, and the safety and driving experience of a vehicle are improved.
According to the range-extending battery pack mounting structure, local change is made on the basis of the pure electric front floor assembly, the front floor left front beam and the front floor right front beam are added at the front end of the front seat front beam, and the front floor left front beam and the front floor right front beam can provide more fixing points for the range-extending battery pack, so that the range-extending battery pack is more stable in the running process of a vehicle, and displacement risks caused by vibration or jolt are reduced.
According to the range-extending battery pack mounting structure, the reinforcing plates are additionally arranged in the front seat front cross beam and the front seat rear cross beam, so that the range-extending battery pack can be firmly fixed on the chassis of the vehicle in the running process of the vehicle, and the range-extending battery pack mounting structure is beneficial to dispersing and resisting loads and vibration generated by the range-extending battery pack.
The invention discloses a range-extending battery pack mounting structure, which is characterized in that four transition brackets are added in front of and behind a range-extending battery pack, wherein the transition brackets are respectively a left front connecting bracket of the battery pack, a right front connecting bracket of the battery pack, a left rear connecting bracket of the battery pack and a right rear connecting bracket of the battery pack, one end of each of the transition brackets is fixedly connected with the range-extending battery pack through a bolt, and the other end of each of the transition brackets is fixedly connected with a vehicle body for fixing the range-extending battery pack.
Drawings
FIG. 1 is a schematic view of a range-extending battery pack mounting structure according to the present invention;
Fig. 2 is a front view of a left frame for mounting a battery pack in an embodiment of the present invention;
FIG. 3 is a side view of a left frame for mounting a battery pack in an embodiment of the invention;
fig. 4 is a front view of a right frame for mounting a battery pack in an embodiment of the present invention;
FIG. 5 is a side view of a right frame for mounting a battery pack in an embodiment of the invention;
Fig. 6 is a schematic structural view of a left front connection bracket of a battery pack according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a left rear connection bracket of a battery pack according to an embodiment of the present invention;
FIG. 8 is a schematic view of a front floor assembly according to an embodiment of the present invention;
FIG. 9 is a schematic view of a front cross member of a front seat according to an embodiment of the present invention;
FIG. 10 is a schematic view of the structure of a rear cross member of a front seat in an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of the left front cross member of the front floor in an embodiment of the invention;
FIG. 12 is a schematic view of the structure of the right front cross member of the front floor in an embodiment of the invention;
FIG. 13 is a schematic view of a front floor assembly connected to a range-extending battery pack according to an embodiment of the present invention;
fig. 14 is a partial cross-sectional view of fig. 13 A-A.
Reference numerals:
The novel solar energy power generation system comprises a 1-front floor assembly structure, a 2-battery pack mounting left frame, a 3-battery pack mounting right frame, a 4-front seat front cross beam, a 5-front seat rear cross beam, a 6-front floor left front cross beam, a 7-front floor right front cross beam, an 8-battery pack left front connecting bracket, a 9-battery pack right front connecting bracket, a 10-battery pack left rear connecting bracket and an 11-battery pack right rear connecting bracket.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Example 1
The invention relates to a range-extending battery pack mounting structure, which can be used for rapidly solving the problem that a range-extending automobile battery pack is fixed in a front floor area, changing the front floor into a range-extending front floor on the basis of a pure electric front floor assembly and reducing development cost and development period. Meanwhile, the modification amount of the existing pure electric front floor assembly is minimum, and the pure electric battery pack and the extended-range battery pack are shared. As shown in fig. 1, the extended range battery pack mounting structure comprises a front floor assembly structure 1, a battery pack mounting left frame 2, a battery pack mounting right frame 3, a front seat front cross beam 4, a front seat rear cross beam 5, a front floor left front cross beam 6, a front floor right front cross beam 7, a battery pack left front connecting bracket 8, a battery pack right front connecting bracket 9, a battery pack left rear connecting bracket 10 and a battery pack right rear connecting bracket 11.
As shown in fig. 2 and 3, the left frame 2 for mounting the battery pack is mounted on one side of the front floor assembly structure 1, and is fixedly connected with the front floor assembly structure 1 through a connecting piece, in this embodiment, a bolt, and the fixed connection is a threaded connection. The battery package installation left frame 2 one end is connected with the automobile body threshold, and the other end is installed between preceding floor assembly structure 1 and the range-extending battery package, not only helps reinforcing battery package's installation stability, can also optimize whole car structure to a certain extent, improves the security and the driving experience of vehicle. The left frame 2 for mounting the battery pack is in a ladder shape, and has the advantages of being firmly connected, enabling the extended-range battery pack to be tightly connected with a vehicle threshold through the ladder-shaped support to form a stable structural system, effectively preventing the extended-range battery pack from shaking and shifting in the driving process, enabling stress to be dispersed to the whole vehicle body structure when the extended-range battery pack is subjected to external force through the ladder-shaped design of the support, reducing concentrated impact on a single part, improving the impact resistance of the whole structure, optimizing space utilization, being capable of maximally utilizing space below the threshold, reducing occupation of space in the vehicle, improving riding comfort and carrying capacity of the vehicle, and being convenient to maintain, enabling the extended-range battery pack to be convenient to detach and mount, and being convenient for subsequent maintenance, maintenance and replacement and upgrading.
As shown in fig. 4 and fig. 5, the right frame 3 is installed on the other side of the front floor assembly structure 1, and is fixedly connected with the front floor assembly structure 1 through a connecting piece, and is similar to the left frame 2 installed on the battery pack, one end of the right frame is connected with a vehicle body threshold, and the other end of the right frame is installed between the front floor assembly structure 1 and the extended-range battery pack, so that a sandwich is integrally compressed, and the structure is characterized by light weight and stable and reliable structure through extrusion molding of aluminum materials. The aluminum profile has lower density and higher strength, is very suitable for the lightweight design of automobiles, is favorable for improving the fuel economy or the endurance mileage of the automobiles, has good corrosion resistance, can effectively resist the corrosion of external environment and prolongs the service life, can be made into various complex shapes by extrusion molding, meets different design requirements, has relatively low processing cost, and has positive effects on stabilizing the performance of the extended-range battery and prolonging the service life of the battery due to the heat conductivity of the aluminum profile.
As shown in fig. 9 and 10, the front seat front cross member 4 and the front seat rear cross member 5 are mounted on the upper end of the front floor assembly structure 1 and fixedly connected. The front seat front cross beam 4 and the front seat rear cross beam 5 are seat cross beams, and provide fixing points for the range-extending battery pack, the range-extending battery pack is connected with the battery pack mounting left frame 2 and the battery pack mounting right frame 3, the battery pack mounting left frame 2 and the battery pack mounting right frame 3 are connected with a vehicle body, the vehicle body and the range-extending battery pack form a whole, and the range-extending battery pack can be better protected.
The front seat front cross beam 4 is arranged at the front end of the front floor assembly structure 1, the front seat rear cross beam 5 is arranged at the rear end of the front floor assembly structure 1, reinforcing plates are arranged in the front seat front cross beam 4 and the front seat rear cross beam 5 and are used for fixing the range-extending battery pack through bolt connection, and the stability and safety of the range-extending battery pack in a vehicle are further enhanced through design change. The reinforcing plate is added in the cross beam, so that occupation of space in a vehicle is not obviously increased, and a more reasonable mounting position and a more stable support can be provided for the range-extending battery pack on the premise that comfort of passengers is not affected. The materials of the reinforcement plate should be selected similarly to the front seat front cross member 4 and the front seat rear cross member 5, and the reinforcement plate should be selected from a high-strength, lightweight material such as a high-strength steel or an aluminum alloy. These materials can reduce weight while maintaining strength, enhancing vehicle performance. The size and shape of the reinforcement plate should be designed according to the structure of the front seat front cross member 4 and the front seat rear cross member 5 and the fixing requirement of the range-extending battery pack. Generally, the reinforcing plate should be closely attached to the inner side of the cross beam and matched with the fixing structure of the range-extending battery pack to ensure the optimal supporting effect.
As shown in fig. 11 and 12, the front floor left front cross member 6 and the front floor right front cross member 7 are installed on the side of the front seat front cross member 4 away from the front seat rear cross member 5, the front floor left front cross member 6 is disposed at one end close to the battery pack mounting left frame 2, and the front floor right front cross member 7 is disposed at one end close to the battery pack mounting right frame 3, for providing a fixed point for the extended range battery pack mounting structure and the extended range battery pack. And meanwhile, a range-extended battery pack fixing point is added in the front seat front beam 4 and the front seat rear beam 5, the range-extended battery pack, the battery pack mounting left frame 2 and the battery pack mounting right frame 3 are connected with the front seat front beam 4 and the front seat rear beam 5 into a whole, so that transverse force transmission and energy absorption are realized, and the safety of the range-extended battery pack and the safety of passengers are all-round ensured. The transverse arrangement of the front seat front cross member 4 and the front seat rear cross member 5 can effectively increase the rigidity of the vehicle body in the transverse direction, make the vehicle body more stable when subjected to lateral forces such as centrifugal forces during cornering, lateral winds, etc., and in addition, the transverse arrangement provides an additional protective barrier for the passengers, can reduce the deformation of the passenger compartment during a frontal or side collision, protects the passengers from injury, and finally, the transverse arrangement of the cross members helps to optimize the spatial layout inside the vehicle, providing more available space for the passengers and cargo.
As shown in fig. 8, one end of the front floor left front cross beam 6 and one end of the front floor right front cross beam 7 are connected with a car body cover plate, and one end of the front floor right front cross beam is connected with a threshold, so that a car body reinforcement effect is achieved, a fixed point is provided for the range-extending battery pack, the range-extending battery pack is connected with the battery pack mounting left frame 2 and the battery pack mounting right frame 3, and the car body and the range-extending battery pack form a whole. The front floor left front cross beam 6 and the front floor right front cross beam 7 are symmetrically and fixedly arranged on the front floor assembly structure 1.
In addition, a cross-shaped bracket is added in the left front cross beam 6 of the front floor and the right front cross beam 7 of the front floor, M10 nuts are welded in a projection mode, and the cross-shaped bracket is respectively connected with the left front cross beam 6 of the front floor and the four faces of the right front cross beam 7 of the front floor to form a box structure for providing a fixed point for the range-extending battery pack.
The cross-shaped bracket can obviously improve the bearing capacity and the deformation resistance of the left front cross beam 6 of the front floor and the right front cross beam 7 of the front floor. This design is similar to adding additional support points to the structure, so that the beam can better disperse stress when being subjected to external force, thereby avoiding damage caused by single-point stress concentration. Projection welding the nut is a process of directly welding the nut to the sheet metal piece to facilitate subsequent connection to other components such as seats, seat belt attachment points, and the like. The connecting mode is firm and reliable, the assembling process can be simplified, and the production efficiency is improved.
The invention relates to a range-extending battery pack mounting structure which has compatibility with pure electric vehicles and is developed on the same platform. The parts in the front floor assembly area are changed less, the development period is short, and the cost is low. The left frame 2, the right frame 3, the front seat front beam 4, the front seat rear beam 5, the front floor left front beam 6, the front floor right front beam 7, the left front battery pack connecting bracket 8, the right front battery pack connecting bracket 9, the left rear battery pack connecting bracket 10 and the right rear battery pack connecting bracket 11 are integrally connected with the range-extended battery pack, so that the effect of synchronously transmitting energy is achieved in the collision process, and the lifting effect can be achieved on the rigidity of a vehicle body and the protection of the range-extended battery pack.
As shown in fig. 6, the structure of the front left connecting bracket 8 of the battery pack is that the middle part of the front left connecting bracket is hollow, and the structure of the front right connecting bracket 9 of the battery pack is the same as that of the front left connecting bracket 8 of the battery pack. One is located the left side, and another is located the right side, and the centre has a bellied part, and both ends microbend, and both ends respectively are provided with a circular hole simultaneously, are convenient for with increase journey battery package accurate connection. Specifically, the left front connecting bracket 8 of the battery pack is arranged on one side of the front floor assembly structure 1, which is close to the left frame 2 of the battery pack, one end of the left front connecting bracket is fixedly connected with the range-extended battery pack, the other end of the left front connecting bracket is fixedly connected with the vehicle body, the right front connecting bracket 9 of the battery pack is arranged on one side, close to the right frame 3 of the battery pack, of the left front connecting bracket 8 of the battery pack, one end of the right front connecting bracket is fixedly connected with the range-extended battery pack, the other end of the right front connecting bracket is fixedly connected with the vehicle body, and the other end of the right front connecting bracket is fixedly connected with the vehicle body in a threaded mode.
As shown in fig. 7, the left rear battery pack connecting bracket 10 is the same in structure as the left rear battery pack connecting bracket 11, the left rear battery pack connecting bracket 10 and the front battery pack connecting bracket 8 are positioned on the same horizontal line, the right rear battery pack connecting bracket 11 and the front battery pack connecting bracket 9 are positioned on the same horizontal line, the left rear battery pack connecting bracket 10 is arranged on one side of the front seat front cross beam 4, which is close to the front seat rear cross beam 5, one end of the left rear battery pack connecting bracket 10 is fixedly connected with the extended range battery pack, the other end of the left rear battery pack connecting bracket is fixedly connected with the vehicle body, the right rear battery pack connecting bracket 11 is arranged on the right side of the left rear battery pack connecting bracket 10, one end of the right rear battery pack connecting bracket 11 is fixedly connected with the extended range battery pack, and the other end of the battery pack connecting bracket is fixedly connected with the vehicle body.
As shown in fig. 13 and 14, the front floor assembly structure 1 is connected with a range-extending battery pack, so that the development cost and the development period of the front floor before extending the range are reduced on the basis that the pure front floor assembly is not affected.
The front seat front cross beam 4, the front seat rear cross beam 5, the front floor left front cross beam 6 and the front floor right front cross beam 7 adopt steel plates with the thickness of 1.2mm as raw material plates, and the steel plates with the thickness of 1.2mm are suitable for various manufacturing processes, including stamping, cutting, welding, coating and the like. These processes are very mature and efficient in automotive manufacturing, ensuring consistency of production process stability and product quality, and in the automotive industry, weight reduction is an important trend, as it can significantly improve fuel economy, reduce carbon dioxide emissions, and help to improve vehicle handling and acceleration performance.
Example 2
The invention also provides an automobile comprising the range-extending battery pack mounting structure. The automobile is an electric motor Cheng Chexing. The specific structure is shown in fig. 1 to 13, and will not be described again. Because the automobile comprises the range-extending battery pack and the range-extending battery pack mounting structure in the embodiment, the range-extending battery pack mounting structure has all the advantages.
The extended-range battery pack realizes the functions of charge and discharge control, SOC estimation, balance control and the like of the battery cells through integrating the battery management system BMS and the battery pack, so as to ensure the safe and efficient operation of the battery system. The range-extending electric vehicle can extend the range of the electric vehicle by auxiliary charging of the engine, the range-extending battery pack can remarkably extend the range of the electric vehicle and reduce the mileage anxiety of a user, the flexibility is improved, the range-extending electric vehicle can drive the vehicle by power generation of the engine under the condition of no charging facility, the use flexibility is improved, the charging frequency is reduced, and the user does not need to charge the battery frequently because the engine can charge the battery, and the charging frequency and the charging cost are reduced.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
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| CN202411212638.1A CN118810396B (en) | 2024-08-30 | 2024-08-30 | Range-extended battery pack mounting structure and automobile |
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| CN202411212638.1A CN118810396B (en) | 2024-08-30 | 2024-08-30 | Range-extended battery pack mounting structure and automobile |
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| CN118810396B true CN118810396B (en) | 2025-10-31 |
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| JP2021088261A (en) * | 2019-12-04 | 2021-06-10 | 本田技研工業株式会社 | Vehicle lower part structure |
| EP4410578A4 (en) * | 2021-10-29 | 2024-12-04 | Huawei Technologies Co., Ltd. | INTEGRATED VEHICLE BATTERY AND BODY STRUCTURE, AND ELECTRIC VEHICLE |
| CN217778786U (en) * | 2022-06-29 | 2022-11-11 | 中国第一汽车股份有限公司 | Floor structure matched with various power batteries |
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|---|---|---|---|---|
| CN210391310U (en) * | 2019-07-26 | 2020-04-24 | 浙江吉智新能源汽车科技有限公司 | Vehicle frame construction and vehicle |
| CN115257962A (en) * | 2022-06-30 | 2022-11-01 | 岚图汽车科技有限公司 | A preceding floor assembly and car for installing battery package |
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| Publication number | Publication date |
|---|---|
| CN118810396A (en) | 2024-10-22 |
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