CN217956019U - Power battery pack with compact layout and electric automobile comprising same - Google Patents
Power battery pack with compact layout and electric automobile comprising same Download PDFInfo
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- CN217956019U CN217956019U CN202221587285.XU CN202221587285U CN217956019U CN 217956019 U CN217956019 U CN 217956019U CN 202221587285 U CN202221587285 U CN 202221587285U CN 217956019 U CN217956019 U CN 217956019U
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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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
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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
- H01M50/249—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
- H01M50/269—Mechanical means for varying the arrangement of batteries or cells for different uses, e.g. for changing the number of batteries or for switching between series and parallel wiring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model provides a power battery package and including its electric automobile of compact overall arrangement, power battery package include a plurality of battery module, battery package frame and battery the control unit, and a plurality of battery module is all installed on battery package frame, and the battery the control unit install on the horizontal plane of battery package frame, and the battery the control unit is connected with the battery module for the power supply of control battery module temperature and/or control battery module. The battery control unit is arranged on the horizontal plane of the battery pack frame, so that the battery control unit can fully utilize the residual space on the horizontal plane of the battery pack frame and the space in the height direction of the power battery pack, and the overall structure layout is more compact. Under the condition that the electric quantity is the same, can reduce the whole size of power battery package for power battery package can adapt to more motorcycle types. Under the same condition of size, can hold more battery module, improve the electric quantity of power battery package, increase electric automobile's mileage of traveling.
Description
Technical Field
The utility model relates to an electric automobile trades the electric field, in particular to compact power battery package of overall arrangement reaches electric automobile including it.
Background
At present, electric vehicles are more and more popular with consumers, the electric vehicles need to be charged after electric energy is used up, and due to the limitation of the existing battery technology and charging technology, the electric vehicles need to spend a long time when being fully charged, which is not as simple and rapid as direct refueling of the vehicles. Therefore, in order to reduce the waiting time of the user, it is an effective means to replace the battery when the electric power of the electric vehicle is rapidly exhausted. At present, with the market share and the use frequency of electric vehicles becoming higher and higher, large-sized vehicles (such as heavy trucks and light trucks) begin to use battery quick-change technology widely in addition to small-sized vehicles using storage batteries as driving energy.
In the prior art, a power battery pack is mounted on a chassis of an electric vehicle and fixed to a body frame of the electric vehicle. The power battery pack comprises a battery module and a battery pack frame, and the battery module is fixed on the electric automobile through the battery pack frame. In addition, the power battery pack further comprises a battery control unit for controlling the temperature and/or the power supply of the battery module, such as a cooling unit, a high-voltage distribution box, a battery management system and the like. In the prior art, all the battery control units are installed on the side surface of the battery pack frame, but the arrangement mode can occupy the space of the power battery pack in the length direction or the width direction, so that the overall size of the power battery pack is larger. However, since the distance between the front wheel and the rear wheel of the electric vehicle is constant and the width of the electric vehicle is constant, the power battery pack having a large size is less suitable for the vehicle type. In addition, because the large-scale vehicle body and the freight weight are very big, the capacity demand of the large-scale vehicle to the battery pack is higher, but the above arrangement is less under the condition that the size of the power battery pack is the same, and the quantity of the battery modules capable of being accommodated is lower, so that the electric quantity of the electric automobile is lower.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to lead to power battery package size great in order to overcome among the prior art with the battery control unit setting in the side of battery package frame, the quantity of the battery module that can hold is less, the less defect of motorcycle type of adaptation, provides a power battery package of compact overall arrangement and includes its electric automobile.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a compact power pack for mounting on a chassis of an electric vehicle, the power pack comprising:
the battery modules are used for supplying power to the electric automobile;
the battery pack frame is used for being mounted on a body crossbeam of the electric automobile;
and the battery control unit is arranged on the horizontal plane of the battery pack frame, is connected with the battery module and is used for controlling the temperature of the battery module and/or controlling the power supply of the battery module.
In the scheme, the battery control unit is arranged on the horizontal plane of the battery pack frame, so that the battery control unit can fully utilize the residual space on the horizontal plane of the battery pack frame and the space in the height direction of the power battery pack, and the overall structure layout is more compact. Under the condition that the electric quantity is the same, can reduce the whole size of power battery package for power battery package can adapt to more motorcycle types. Under the same condition of size, can hold more battery module, improve the electric quantity of power battery package, increase electric automobile's mileage of traveling.
Preferably, the battery control unit is arranged on the upper end face of the battery pack frame.
In this scheme, above-mentioned setting makes things convenient for battery control unit's wiring, makes things convenient for the maintenance of equipment and the later stage in earlier stage.
Preferably, the battery pack frame comprises a plurality of battery accommodating areas which are arranged along the width direction of the electric automobile, the plurality of battery accommodating areas comprise a middle accommodating area and a side accommodating area, a locking piece is arranged between the side accommodating area and the middle accommodating area, and the locking piece is used for being matched with a locking mechanism on the automobile body crossbeam to lock the power battery pack on the automobile body crossbeam.
In this scheme, the aforesaid sets up the space that make full use of middle part held between district and the lateral part holds the district for the battery module can not produce with the locking piece and interfere, through locking piece and locking mechanism's cooperation, fixes power battery package on electric automobile. The space between two vehicle body girders is fully utilized, the number of the battery modules is increased, and the electric quantity of the power battery pack is improved.
Preferably, the battery pack frame has a platform for placing the battery module, and the battery control unit is disposed on the platform of the middle accommodating area and/or the side accommodating area.
In this scheme, battery control unit and battery module are placed on same platform, make things convenient for the processing of battery package frame, need not set up the platform that is used for placing battery control unit alone, simplify the structure of battery package frame, reduce cost improves efficiency to can compromise the rationality that battery control unit and battery module arranged and electric automobile's continuation of the journey mileage.
Preferably, the battery pack frame is provided with a plurality of layers of the platforms in the height direction, each layer of the platforms is provided with a plurality of the battery modules, and the battery control unit is arranged on the highest platform.
In this scheme, the space in the direction of height of power battery package has further been utilized to above-mentioned setting, under the same condition of power battery package horizontal dimension, increases the quantity of battery module, improves the electric quantity of power battery package, makes it can adapt to more motorcycle types, and increases electric automobile's mileage of traveling.
Preferably, the multiple layers of the platforms include a top platform located at the highest position and a plurality of bottom platforms located below the top platform, the plurality of bottom platforms are all communicated with the top platform, the battery module is connected to the battery control unit through a connecting wire, and the connecting wire can extend from the top platform to the bottom platform.
In this scheme, the above arrangement is for realizing the connection between the connecting wire of battery control unit and the battery module that is located on lower floor's platform.
Preferably, the bottom platforms on the same layer include two sets of bottom platform units, and the two sets of bottom platform units are symmetrically distributed along the width direction of the electric vehicle.
In this scheme, two sets of bottom platform units are used for placing the battery module, make full use of the space of automobile body girder below, increase the quantity of battery module, and battery control unit's connecting wire can get into bottom platform unit by the space between two bottom platform units, the edgewise to realize being connected between battery control unit's connecting wire and the battery module that is located the bottom platform.
Preferably, the battery pack frame is provided with a lightening hole and/or a wire passing hole.
In this scheme, the lightening hole can alleviate the holistic weight of power battery package, also can be used to supply battery control unit's connecting wire to pass. The wire through hole is used for a connecting wire of the battery control unit to pass through.
Preferably, the battery control unit includes a cooling unit for controlling the temperature of the battery module.
In this scheme, the cooling unit is used for adjusting the temperature of battery module, realizes the cooling when battery module temperature is higher, realizes intensifing when battery module temperature is lower, improves the life of battery module, guarantees that the battery module can stably supply power.
Preferably, the cooling unit is a liquid cooling unit, the liquid cooling unit comprises a heat exchanging part and a liquid cooling pipe, the heat exchanging part and the liquid cooling pipe form a cooling loop, the liquid cooling pipe is connected with the battery module, and the cooling loop passes through the battery module;
and/or, the number of the cooling units is multiple, and the cooling units are all connected with a plurality of the battery modules.
In this scheme, the mode that the liquid cooling adjusted the temperature adjusts the temperature efficient, adjust the temperature effectual, the noise that produces moreover is less. The quantity of battery module is more, and the scale of cooling unit needs more greatly, compares in directly setting up a great cooling unit, sets up a plurality of cooling units when can effectively maintain battery module temperature, and the flexibility of overall arrangement is higher, makes things convenient for overall arrangement.
Preferably, the battery control unit comprises a high-voltage distribution box, and the high-voltage distribution box is electrically connected with the battery module.
In this scheme, high tension switchgear is used for carrying out power distribution, guarantees the power consumption safety.
Preferably, the battery control unit further comprises a battery management system, and the battery management system is electrically connected with the battery module.
In this scheme, battery management system is used for monitoring battery module's state, for example battery module's residual capacity etc. guarantees that battery module's numerical value maintains in reasonable range, prevents that battery module overcharge, discharge, improves battery module's life. The battery management system feeds back the monitoring result to the electric vehicle control system, the electric vehicle control system sends a related instruction to the battery management system according to the received feedback, and the battery management system further controls the battery module according to the received instruction.
Preferably, when the battery control unit includes a high-voltage distribution box, the battery management system is electrically connected with the high-voltage distribution box, and the battery management system is electrically connected with the battery module through the high-voltage distribution box;
and/or the battery management system is arranged inside the high-voltage distribution box.
In the scheme, the battery management system controls components in the high-voltage distribution box according to the command line received by the electric vehicle control system, and the high-voltage distribution box further controls the battery module to charge and discharge according to the related command. Through battery management system and high voltage distribution box's integration for overall layout is compacter, reduces the space that battery management system took on power battery package horizontal plane, thereby can have more space installation battery module.
An electric automobile, electric automobile includes the vehicle body girder and as above compact overall arrangement's power battery package, power battery package is installed on the vehicle body girder.
In the scheme, the power battery pack is installed on a vehicle body crossbeam of the electric vehicle chassis and used for providing electric power for the electric vehicle.
The utility model discloses an actively advance the effect and lie in: the utility model discloses install battery control unit on the horizontal plane of battery package frame for battery control unit can make full use of the remaining space on the battery package frame horizontal plane and the space on the power battery package direction of height, makes the overall structure overall arrangement compacter. Under the condition that the electric quantity is the same, can reduce the whole size of power battery package for power battery package can adapt to more motorcycle types. Under the same condition of size, can hold more battery module, improve the electric quantity of power battery package, increase electric automobile's mileage of traveling.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a power battery pack and an electric vehicle in a matching state according to embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of a power battery pack with a protective cover according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of a three-dimensional structure of a power battery pack without a protective cover according to embodiment 1 of the present invention.
Fig. 4 is a schematic perspective view of a battery pack frame according to embodiment 1 of the present invention.
Fig. 5 is a schematic perspective view of a power battery pack according to embodiment 2 of the present invention.
Fig. 6 is a schematic perspective view of a power battery pack according to embodiment 3 of the present invention.
Fig. 7 is a schematic perspective view of a power battery pack according to embodiment 4 of the present invention.
Description of reference numerals:
Connecting beam 33
Through hole 341
Cooling unit 41
High voltage distribution box 42
Locking piece 5
Detailed Description
The present invention will be more clearly and completely described in the following detailed description of the preferred embodiments in conjunction with the accompanying drawings.
Example 1
As shown in fig. 1 to fig. 4, the present embodiment provides an electric vehicle, which is a commercial vehicle such as a heavy truck or a light truck, and includes a body frame 11 and a power battery pack 12, where the power battery pack 12 is mounted on a chassis of the electric vehicle and is used for providing electric power for the electric vehicle. Specifically, the vehicle body frame 11 in the present embodiment is a support beam located at a position of a chassis of the electric vehicle, and the power battery pack 12 is mounted on the vehicle body frame 11.
As shown in fig. 2 to 4, the power battery pack 12 includes a plurality of battery modules 2, a battery pack frame 3, and a battery control unit 4. The battery module 2 is used for supplying power to the electric automobile, the power battery pack 12 is fixed on the body frame 11 through the battery pack frame 3, and the battery control unit 4 is used for controlling the temperature of the battery module 2 and/or controlling the power supply of the battery module 2.
Specifically, as shown in fig. 3, in the present embodiment, the number of the battery modules 2 is plural, and the specifications of each battery module 2 are the same. In other alternative embodiments, one power battery pack 12 may include only one battery module or a plurality of battery modules with different specifications, so as to meet the power requirement of the electric vehicle. This application adopts the battery module 2 of a plurality of the same specifications to supply power for electric automobile jointly, compare in the battery module that adopts a large-scale battery module or a plurality of different specifications, make things convenient for the standardized production of battery module 2, the technical staff can select the battery module 2 of different quantity according to the motorcycle type of difference, in order to satisfy the electric quantity demand of various motorcycle types, when certain battery module 2 breaks down moreover, also only need change the battery module 2 that breaks down, practice thrift the maintenance cost.
As shown in fig. 2 and 3, the battery pack frame 3 is connected to the vehicle body frame 11, and the entire power battery pack 12 is fixed to the vehicle body frame 11. A plurality of battery module 2 all install on battery package frame 3, and all set up on battery package frame 3's horizontal plane, and battery package frame 3 is used for supporting a plurality of battery module 2, guarantees the stability that battery module 2 placed. The battery pack frame 3 can be used for simultaneously mounting a plurality of battery modules 2 on the vehicle body girder 11, and the vehicle body girder 11 does not need to be independently connected with each battery module 2, so that the mounting efficiency is improved, and the feasibility of quick battery replacement is improved.
As shown in fig. 3, the battery control unit 4 is mounted on the horizontal surface of the battery pack frame 3, and the battery control unit 4 is connected to the battery module 2. Specifically, the number of battery control units 4 in this embodiment is three, is cooling unit 41, high voltage distribution box 42 and battery management system 43 respectively, and three battery control units 4 all install on the horizontal plane of battery package frame 3, and all are connected with each battery module 2, and cooling unit 41 is used for controlling the temperature of battery module 2, and high voltage distribution box 42 and battery management system 43 are used for controlling the power supply condition of battery module 2.
In other alternative embodiments, the number of the battery control units 4 may be any number, and a technician may design the battery control units according to actual requirements and select the battery control units 4 for controlling the temperature of the battery module 2 or controlling the power supply of the battery module 2 according to the actual requirements.
In the present embodiment, the battery control units 4 are all installed on the horizontal plane of the battery pack frame 3, so that the battery control units 4 can make full use of the remaining space on the horizontal plane of the battery pack frame 3 and the space in the height direction of the power battery pack 12, and the overall structural layout is more compact. Under the condition that the electric quantity is the same, the whole size of the power battery pack 12 can be reduced, so that the power battery pack 12 can be adapted to more vehicle types. Under the same condition of size, can hold more battery module 2, improve the electric quantity of power battery package 12, increase electric automobile's mileage of traveling.
As shown in fig. 3, the battery control unit 4 is disposed on the upper end surface of the battery pack frame 3, and the battery pack frame 3 can carry the battery control unit 4 without additionally disposing another structure to fix the battery control unit 4 on the battery pack frame 3. In addition, locate battery control unit 4 on the up end of battery package frame 3, make things convenient for battery control unit 4's wiring, technical staff's operating space is bigger, makes things convenient for the equipment of early stage and the maintenance of later stage.
As shown in fig. 3 and 4, the battery pack frame 3 includes a plurality of battery housing sections including a middle housing section 31 and a side housing section 32, which are arranged in the width direction (X direction in fig. 1) of the electric vehicle. Specifically, the battery pack frame 3 includes three battery receiving regions in total, namely, a middle receiving region 31 and two side receiving regions 32 located on both sides of the middle receiving region 31. The plurality of battery modules 2 are respectively installed in the middle accommodating area 31 and the two side accommodating areas 32, and the three battery control units 4 are all installed in the middle accommodating area 31 and are sequentially arranged along the length direction (Y direction in fig. 1) of the electric vehicle.
In other alternative embodiments, the battery module 2 may also be disposed entirely or partially in the middle receiving region 31, and the battery control unit 4 may also be disposed entirely or partially in the side receiving regions 32.
As shown in fig. 3 and 4, a locking member 5 is disposed between the side receiving region 32 and the middle receiving region 31, and the locking member 5 is configured to cooperate with a locking mechanism on the vehicle body frame 11 to lock the power battery pack 12 to the vehicle body frame 11. Specifically, the battery pack frame 3 includes two connecting beams 33 for separating the middle accommodating area 31 and the side accommodating area 32, the lock members 5 are provided between the two side accommodating areas 32 and the middle accommodating area 31, the lock members 5 are provided on opposite sides of the two connecting beams 33, and the battery pack frame 3 is detachably mounted on the body frame 11 through the lock members 5. After the power battery pack 12 is matched with the vehicle body girder 11, the power battery pack 12 is locked on the vehicle body girder 11 through the locking piece 5, so that the connection between the power battery pack 12 and the vehicle chassis is firmer.
In this embodiment, the locking member 5 is disposed in the middle of the battery pack frame 3, and the space between the middle accommodating area 31 and the side accommodating area 32 is fully utilized, so that the battery module 2 does not interfere with the locking member 5, and can maintain a balanced stress to better bear the weight of the power battery pack 12. The locking piece 5 cooperates with a locking mechanism on the vehicle body girder 11 to lock the power battery pack 12 on the vehicle body girder 11, so that the space between the two vehicle body girders 11 is fully utilized, the number of the battery modules 2 can be increased, and the electric quantity of the power battery pack 12 is improved.
The locking member 5 in this embodiment is specifically a lock shaft, the locking mechanism on the vehicle body girder 11 is a lock base, and the battery pack frame 3 is fixed on the vehicle body girder 11 by the cooperation of the lock shaft and the lock base. In other alternative embodiments, the locking member 5 and the locking mechanism may adopt other locking structures capable of cooperating with each other.
As shown in fig. 3 and 4, the battery pack frame 3 has a platform for placing the battery modules 2, and the plurality of battery control units 4 in this embodiment are all provided on the platform of the middle accommodation region 31. Battery control unit 4 and battery module 2 are placed on same platform, make things convenient for battery package frame 3's processing, need not set up the platform that is used for placing battery control unit 4 alone, simplify battery package frame 3's structure, reduce cost, raise the efficiency to can compromise the rationality that battery control unit 4 and battery module 2 arranged and electric automobile's continuation of the journey mileage. In other alternative embodiments, the battery control unit 4 may also be located wholly or partially on the platform of the side receiving area 32.
As shown in fig. 3 and 4, the battery pack frame 3 has multiple layers of platforms in the height direction, each layer of platform is provided with a plurality of battery modules 2, and the battery control unit 4 is arranged on the highest platform. Specifically, battery module 2 is installed on the platform of lateral part accommodation area 32, and battery control unit 4 installs on the highest level platform of middle part accommodation area 31 to further utilized the space on the power battery package 12 direction of height, under the same condition of power battery package 12 horizontal dimension, increased battery module 2's quantity, improved the electric quantity of power battery package 12, made it can adapt to more motorcycle types, and increased electric automobile's the mileage of traveling.
As shown in fig. 4, the present embodiment includes two layers of platforms, namely, a top platform 34 located at the highest position and a bottom platform 35 located below the top platform 34, the bottom platform 35 is communicated with the top platform 34, the battery module 2 is connected to the battery control unit 4 through a connection line, and the connection line can extend from the top platform 34 to the bottom platform 35, so as to realize connection between the connection line of the battery control unit 4 and the battery module 2 located on the bottom platform 35. Specifically, the top platform 34 is provided with a through hole 341 communicating with the bottom platform 35, the through hole 341 can be used as a wire passing hole for a connecting wire of the battery control unit 4, and the connecting wire of the battery control unit 4 can extend from the through hole 341 to the bottom platform 35 and is connected with the battery module 2 on the bottom platform 35. The through holes 341 may also be weight reduction holes, which may reduce the overall weight of the power battery pack 12.
In this embodiment, the number of the bottom platforms 35 is one, and in other alternative embodiments, a plurality of layers of the bottom platforms 35 may also be included below the top platform 34, and any one of the bottom platforms 35 is communicated with the top platform 34, so that the connection line of the battery control unit 4 located on the top platform 34 can be connected with the battery module 2 located on the bottom platform 35. In this state, except for the bottom platform 35 located at the lowest layer, the bottom platforms 35 of the other layers may be provided with through holes 341 as provided on the top platform 34, so that the connection lines of the battery control unit 4 can be further provided with the lower platform.
As shown in fig. 4, the bottom platform 35 on the same floor includes two sets of bottom platform units 351, the two sets of bottom platform units 351 are symmetrically distributed along the width direction of the electric vehicle and are respectively located in the two side accommodating areas 32, and the two sets of bottom platform units 351 are partially located in the middle accommodating area 31. The opposite one side of two sets of bottom platform units 351 and middle part accommodation area 31 intercommunication, battery control unit 4's connecting wire can be by the middle part accommodation area 31 between two bottom platform units 351, and bottom platform unit 351 is got into to the edgewise to realize being connected between battery control unit 4's connecting wire and the battery module 2 that is located on bottom platform 35. Two sets of bottom platform units 351 are used for placing battery module 2, make full use of the space of automobile body girder 11 below, increase battery module 2's quantity, improve the electric quantity of power battery package 12.
As shown in fig. 4, the battery pack frame 3 further has lightening holes and/or other wire passing holes, where the lightening holes can lighten the overall weight of the power battery pack 12, and can also be used for connecting wires of the battery control unit 4 to pass through. The wire through hole is used for a connecting wire of the battery control unit 4 to pass through, so that the flexibility of wiring is improved.
As shown in fig. 3, the cooling unit 41 is used for controlling the temperature of the battery module 2, so that the temperature of the battery module 2 is always kept within a reasonable range, and the electric vehicle can be normally supplied with power. Specifically, the cooling unit 41 is configured to cool the battery module 2 when the temperature of the battery module 2 is high, and to heat the battery module 2 when the temperature of the battery module 2 is low.
Preferably, in order to facilitate the cooling unit 41 to adjust the temperature of the battery module 2 in time, a temperature monitoring unit, such as a temperature sensor, for monitoring the temperature of the battery module 2 may be further disposed on the power battery pack 12. The temperature monitoring unit feeds the monitored temperature back to the control system of the electric vehicle, and the control system sends a related instruction to the cooling unit 41 according to the received temperature data.
The cooling unit 41 in this embodiment is a liquid cooling unit, and adjusts the temperature of the battery module 2 in a liquid cooling manner. The liquid cooling mode that adjusts the temperature is efficient, the effect that adjusts the temperature is good, and the noise that produces moreover is less. Specifically, the liquid cooling unit includes heat transfer portion and liquid cooling pipe, and heat transfer portion and liquid cooling pipe form cooling circuit, and the liquid cooling pipe is connected with battery module 2, and cooling circuit passes through battery module 2. The coolant in the liquid-cooling pipe can release heat to the battery module 2 or absorb heat when flowing through the battery module 2, thereby adjusting the temperature of the battery module 2. The temperature of coolant liquid can be adjusted to heat transfer portion, increases the temperature of coolant liquid when the coolant liquid releases the heat to battery module 2, reduces the temperature of coolant liquid when the coolant liquid absorbs the heat to battery module 2 to make things convenient for the coolant liquid can also release the heat or absorb the heat to battery module 2 when flowing through battery module 2 once more.
The number of the cooling units 41 in this embodiment is one, and in other alternative embodiments, the number of the cooling units 41 may be multiple, especially when the number of the battery modules 2 is large or the demand for electric power is large.
One end of the high-voltage distribution box 42 is electrically connected with a control system of the electric automobile, the other end of the high-voltage distribution box is electrically connected with the battery module 2, and the high-voltage distribution box 42 can distribute power according to an instruction sent by the control system to ensure the power utilization safety.
One end of the battery management system 43 is electrically connected with the control system of the electric vehicle, the other end is electrically connected with the battery module 2, and the battery management system 43 is used for monitoring the state of the battery module 2, such as the residual capacity of the battery module 2, and the like, so as to ensure that the value of the battery module 2 is maintained in a reasonable range, prevent the battery module 2 from being overcharged and discharged, and prolong the service life of the battery module 2. The battery management system 43 feeds back the monitoring result to the control system, the control system issues a relevant instruction to the battery management system 43 according to the received feedback, and the battery management system 43 further controls the battery module 2 according to the received instruction.
Further, the battery management system 43 is disposed closer to the hv power distribution box 42 than to the cooling unit 41. The battery management system 43 is electrically connected to the hv distribution box 42, and the battery management system 43 is electrically connected to the battery module 2 through the hv distribution box 42. The battery management system 43 controls the components in the high-voltage distribution box 42 according to the command line received from the electric vehicle control system, and the high-voltage distribution box 42 further controls the charging and discharging of the battery module 2 according to the relevant command.
The battery management system 43 and the hv power distribution box 42 in this embodiment are independent of each other, and because the battery management system 43 is typically small in size, the battery management system 43 may be located inside the hv power distribution box 42 in other alternative embodiments. High tension distributor box 42's inside has sufficient space can prevent battery management system 43, and high tension distributor box 42's box also can play the guard action to battery management system 43, makes things convenient for battery management system 43 and high tension distributor box 42's integration simultaneously for overall layout is compacter, reduces the space that battery management system 43 occupy on power battery package 12 horizontal plane, thereby can have more space installation battery module 2.
As shown in fig. 2, the power battery pack 12 further includes a protective cover 61, and the protective cover 61 is provided on an upper end surface of the battery pack frame 3 and covers the battery module 2 and the battery control unit 4. Specifically, the number of the protective covers 61 in the present embodiment is three, respectively located in the middle accommodation region 31 and the side accommodation regions 32 on both sides. The protection cover 61 is used for sealing the upper end opening of the battery pack frame 3, the battery module 2 and the battery control unit 4 are accommodated in the protection cover 61, the protection cover 61 can prevent impurities such as dust and rainwater from entering the power battery pack 12 from the upper end opening of the battery pack frame 3, and can also prevent the battery module 2 and the battery control unit 4 from being collided and abraded due to accidental impact of substances such as flying stones, so that the service life of the power battery pack 12 is prolonged. For the battery module 2 with explosion risk, the protection cover 61 can also play a role in preventing explosion from spreading out, and the safety of the power battery pack 12 is improved.
As shown in fig. 2, the power battery pack 12 further includes a protection plate 62, the protection plate 62 covers the side surface and the bottom surface of the battery pack frame 3, and is used for closing the openings of the side surface and the bottom surface of the battery pack frame 3, preventing impurities such as dust and rain water from entering the power battery pack 12 from the openings of the side surface and the bottom of the battery pack frame 3, further preventing the battery module 2 and the battery control unit 4 from being collided and worn by accidental impacts of substances such as flying stones, and prolonging the service life of the power battery pack 12. For the battery module 2 with explosion risk, the protection plate 62 can also play a role in preventing explosion from spreading out, and the safety of the power battery pack 12 is improved.
The protective cover 61 and the protective plate 62 in this embodiment are both made of skin or steel plate, but in alternative embodiments, the protective cover 61 and the protective plate 62 may be made of other materials with higher strength.
Example 2
The electric vehicle and the power battery pack 12 in this embodiment have substantially the same structure as embodiment 1, except for the mounting position of the battery control unit 4.
As shown in fig. 5, the battery pack frame 3 includes a plurality of battery receiving areas arranged in the width direction of the electric vehicle, a middle receiving area 31 and two side receiving areas 32 located at both sides of the middle receiving area 31, and the battery module 2 and the battery control unit 4 at the topmost layer are located in the side receiving areas 32. Wherein, the quantity of battery module 2 and battery control unit 4's the mode of arranging can be adjusted according to actual demand to compromise the rationality of arranging and electric automobile's continuation of the journey mileage.
Specifically, the present embodiment also includes three battery control units 4, namely, a cooling unit 41, a high-voltage distribution box 42, and a battery management system 43, wherein the cooling unit 41 is disposed in the left side accommodation area 32, and the high-voltage distribution box 42 and the battery management system 43 are disposed in the right side accommodation area 32, based on the directions shown in fig. 5. This embodiment is according to the size of different battery control unit 4, separately sets up three battery control unit 4 in two lateral part accommodation area 32, guarantees that the battery module 2 quantity in two lateral part accommodation area 32 is the same, makes the overall layout more reasonable compact.
In other alternative embodiments, in the case of sufficient space, it is also possible to cool the lateral containment areas 32 of the battery pack 41, of the high-voltage distribution box 42 and of the battery management system 43, all located on the same side; or the cooling unit 41 and the hv power distribution box 42 are located in one lateral containment area 32 and the battery management system 43 is located in the other lateral containment area 32; alternatively, the cooling unit 41 and the battery management system 43 are located in one side accommodation area 32, and the hv distribution box 42 is located in the other side accommodation area 32. This implementation places high tension distributor box 42 and battery management system 43 in a lateral part accommodation area 32, can shorten the distance between high tension distributor box 42 and the battery management system 43, shortens connecting wire length between the two, reduce cost.
Example 3
The structures of the electric vehicle and the power battery pack 12 in the present embodiment are substantially the same as those in embodiment 1, except for the mounting positions of the battery modules 2, the number of the battery control units 4, and the mounting positions.
As shown in fig. 6, the battery pack frame 3 includes a plurality of battery receiving areas arranged in the width direction of the electric vehicle, a middle receiving area 31 and two side receiving areas 32 located at both sides of the middle receiving area 31, and the middle receiving area 31 and the side receiving areas 32 are each provided therein with a part of the battery modules 2 and the battery control unit 4. Wherein, the quantity of battery module 2 and battery control unit 4's the mode of arranging can be adjusted according to actual demand to compromise the rationality of arranging and electric automobile's continuation of the journey mileage.
Specifically, the present embodiment includes four battery control units 4, which are two cooling units 41, a high voltage distribution box 42 and a battery management system 43, wherein the two cooling units 41 are respectively disposed in the side accommodating areas 32 on both sides, and the high voltage distribution box 42 and the battery management system 43 are disposed in the middle accommodating area 31 based on the directions shown in fig. 6. The high voltage distribution box 42 and the battery management system 43 are stacked up and down, and the battery management system 43 is located above the high voltage distribution box 42, and the battery management system 43 is mounted on an upper end surface of the high voltage distribution box 42.
The more the quantity of battery module 2, the scale of cooling unit 41 needs to be bigger, compares in directly setting up a great cooling unit 41, sets up a plurality of cooling units 41 when can effectively maintain battery module 2 temperature, and the flexibility of overall arrangement is higher, makes things convenient for overall arrangement.
With high voltage distribution box 42 and battery management system 43 stack up the setting from top to bottom, can further utilize the space on the power battery package 12 direction of height for overall layout is compacter, reduces the occupancy on the power battery package 12 horizontal plane, thereby can have more space installation battery module 2. Moreover, the battery management system 43 is generally small in size, and does not occupy an excessive space in the height direction of the power battery pack 12 even if it is stacked vertically with the hv power distribution box 42, and prevents interference with other components of the electric vehicle. Moreover, since the size of the battery management system 43 is generally smaller than the cooling unit 41 and the high voltage distribution box 42, the battery management system 43 is disposed above the high voltage distribution box 42, so that the stability of the high voltage distribution box 42 after installation can be improved, and the reliability of the layout can be improved.
In other alternative embodiments, in the case of sufficient space, two cooling units 41 can also be arranged in the central receiving area 31, or one of the cooling units 41 can be arranged in the central receiving area 31 and the other cooling unit 41 can be arranged in the lateral receiving area 32.
In other alternative embodiments, the hv power distribution box 42 and the battery management system 43 may also be disposed within the side containment area 32, or the hv power distribution box 42 may also be placed on the battery management system 43.
In other alternative embodiments, the battery management system 43 may also be stacked on top of the cooling unit 41, and it is further preferable that the battery management system 43 is located above the cooling unit 41, and the battery management system 43 is installed on the upper end face of the cooling unit 41. This implementation stacks high tension switchgear 42 and battery management system 43 from top to bottom and sets up, can shorten the distance between high tension switchgear 42 and the battery management system 43, shortens the connecting wire length between the two, reduce cost.
Example 4
The electric vehicle and the power battery pack 12 in this embodiment have substantially the same structure as embodiment 3, except for the mounting position of the battery control unit 4.
As shown in fig. 7, the battery pack frame 3 includes a plurality of battery receiving areas arranged in the width direction of the electric vehicle, a middle receiving area 31 and two side receiving areas 32 located at both sides of the middle receiving area 31, the battery control unit 4 is entirely disposed in the side receiving areas 32, and part of the battery modules 2 are disposed in both the middle receiving area 31 and the side receiving areas 32. Wherein, the quantity of battery module 2 and battery control unit 4's the mode of arranging can be adjusted according to actual demand to compromise the rationality of arranging and electric automobile's continuation of the journey mileage.
Specifically, the present embodiment includes four battery control units 4, which are two cooling units 41, a high voltage distribution box 42 and a battery management system 43, wherein, based on the directions shown in fig. 7, the two cooling units 41 are respectively disposed in the side accommodating areas 32 on both sides, and the high voltage distribution box 42 and the battery management system 43 are disposed in the side accommodating area 32 on the right side. The high voltage distribution box 42 and the battery management system 43 are stacked up and down, and the battery management system 43 is located above the high voltage distribution box 42, and the battery management system 43 is mounted on the upper end surface of the high voltage distribution box 42.
The more the quantity of battery module 2, the scale of cooling unit 41 needs to be bigger, compares in directly setting up a great cooling unit 41, sets up a plurality of cooling units 41 when can effectively maintain battery module 2 temperature, and the flexibility of overall arrangement is higher, makes things convenient for overall arrangement.
With high voltage distribution box 42 and battery management system 43 stack up the setting from top to bottom, can further utilize the space on the power battery package 12 direction of height for overall layout is compacter, reduces the occupancy on the power battery package 12 horizontal plane, thereby can have more space installation battery module 2. Moreover, the battery management system 43 is generally small in size, and does not occupy an excessive space in the height direction of the power battery pack 12 even if stacked up and down with the high-voltage distribution box 42, and prevents interference with other components of the electric vehicle. Moreover, since the size of the battery management system 43 is generally smaller than that of the cooling unit 41 and the high voltage distribution box 42, the battery management system 43 is disposed above the high voltage distribution box 42, so that the stability of the high voltage distribution box 42 after installation can be improved, and the reliability of the layout can be improved.
In other alternative embodiments, the hv power distribution box 42 may also be placed on the battery management system 43.
In other alternative embodiments, the battery management system 43 may be stacked on the cooling unit 41, and it is further preferable that the battery management system 43 is located above the cooling unit 41, and the battery management system 43 is mounted on the upper end surface of the cooling unit 41. This implementation stacks high tension switchgear 42 and battery management system 43 from top to bottom and sets up, can shorten the distance between high tension switchgear 42 and the battery management system 43, shortens the connecting wire length between the two, reduce cost.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are used in a specific orientation or positional relationship, which is used for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or component so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention unless otherwise specified herein.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (15)
1. A compact power battery pack for mounting on a chassis of an electric vehicle, the power battery pack comprising:
the battery modules are used for supplying power to the electric automobile;
the battery pack frame is used for being mounted on a vehicle body crossbeam of the electric vehicle;
and the battery control unit is arranged on the horizontal plane of the battery pack frame, is connected with the battery module and is used for controlling the temperature of the battery module and/or controlling the power supply of the battery module.
2. The power battery pack with a compact layout as claimed in claim 1, wherein the battery control unit is arranged on the upper end face of the battery pack frame.
3. The compact power battery pack of claim 2, wherein the battery pack frame includes a plurality of battery receiving regions arranged along a width of the electric vehicle, the plurality of battery receiving regions including a central receiving region and side receiving regions, and a locking member disposed between the side receiving regions and the central receiving region for engaging a locking mechanism on the body rail to lock the power battery pack to the body rail.
4. The compact power battery pack of claim 3, wherein the battery pack frame has a platform for placing the battery modules, and the battery control unit is disposed on the platform of the middle receiving area and/or the side receiving areas.
5. The power battery pack with the compact layout as claimed in claim 4, wherein the battery pack frame has a plurality of layers of the platforms in the height direction, each layer of the platforms is provided with a plurality of the battery modules, and the battery control unit is arranged on the highest platform.
6. The compact power pack as recited in claim 5, wherein the plurality of layers of platforms include a top platform at the highest level and a plurality of bottom platforms below the top platform, each of the plurality of bottom platforms being in communication with the top platform, the battery modules being connected to the battery control unit by connecting wires that extend from the top platform to the bottom platform.
7. The power battery pack with the compact layout as claimed in claim 6, wherein the bottom platforms on the same layer comprise two groups of bottom platform units, and the two groups of bottom platform units are symmetrically distributed along the width direction of the electric vehicle.
8. The power battery pack with the compact layout as claimed in claim 6 or 7, wherein the battery pack frame is provided with lightening holes and/or wire through holes.
9. The power battery pack with a compact layout as claimed in claim 1, wherein the battery control unit comprises a cooling unit for controlling the temperature of the battery modules.
10. The power battery pack with the compact layout as claimed in claim 9, wherein the cooling unit is a liquid cooling unit, the liquid cooling unit comprises a heat exchanging portion and a liquid cooling pipe, the heat exchanging portion and the liquid cooling pipe form a cooling loop, the liquid cooling pipe is connected with the battery module, and the cooling loop passes through the battery module;
and/or, the number of the cooling units is multiple, and the cooling units are all connected with a plurality of the battery modules.
11. The compact power pack of claim 1, wherein the battery control unit includes a high voltage distribution box electrically connected to the battery modules.
12. The power battery pack with a compact layout as claimed in claim 9 or 11, wherein the battery control unit further comprises a battery management system, and the battery management system is electrically connected with the battery modules.
13. The compact layout power battery pack of claim 12, wherein when the battery control unit includes a high-voltage distribution box, the battery management system is electrically connected to the high-voltage distribution box, and the battery management system is electrically connected to the battery module through the high-voltage distribution box;
and/or the battery management system is arranged inside the high-voltage distribution box.
14. The compact power pack of claim 12, wherein the battery management system is stacked on top of the cooling unit or the hv power distribution box.
15. An electric vehicle comprising a body rail and a compact power cell pack as claimed in any one of claims 1 to 14 mounted on the body rail.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221587285.XU CN217956019U (en) | 2022-06-22 | 2022-06-22 | Power battery pack with compact layout and electric automobile comprising same |
| PCT/CN2023/084422 WO2023246216A1 (en) | 2022-06-22 | 2023-03-28 | Power battery pack with compact layout, and electric vehicle comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221587285.XU CN217956019U (en) | 2022-06-22 | 2022-06-22 | Power battery pack with compact layout and electric automobile comprising same |
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| Publication Number | Publication Date |
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| CN217956019U true CN217956019U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221587285.XU Active CN217956019U (en) | 2022-06-22 | 2022-06-22 | Power battery pack with compact layout and electric automobile comprising same |
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| Country | Link |
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| CN (1) | CN217956019U (en) |
| WO (1) | WO2023246216A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116483A1 (en) * | 2021-12-26 | 2023-06-29 | 奥动新能源汽车科技有限公司 | Battery pack for electric vehicle, and electric vehicle comprising same |
| CN117141218A (en) * | 2023-10-31 | 2023-12-01 | 江苏速豹动力科技有限公司 | Power battery system and vehicle |
| WO2023246216A1 (en) * | 2022-06-22 | 2023-12-28 | 奥动新能源汽车科技有限公司 | Power battery pack with compact layout, and electric vehicle comprising same |
| WO2024145928A1 (en) * | 2023-01-06 | 2024-07-11 | 宁德时代新能源科技股份有限公司 | Battery and vehicle |
| WO2024145926A1 (en) * | 2023-01-06 | 2024-07-11 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| CN118472435A (en) * | 2024-07-10 | 2024-08-09 | 江苏正力新能电池技术有限公司 | Battery pack |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118867525B (en) * | 2024-06-18 | 2025-02-07 | 北京玖行智研交通科技有限公司 | Battery box and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5417162B2 (en) * | 2009-12-28 | 2014-02-12 | 株式会社日立製作所 | Power storage device |
| CN210403829U (en) * | 2019-08-23 | 2020-04-24 | 比亚迪股份有限公司 | Battery pack and electric automobile with same |
| EP3937271A1 (en) * | 2020-07-07 | 2022-01-12 | Volvo Truck Corporation | A vehicle |
| CN215527855U (en) * | 2021-07-09 | 2022-01-14 | 湖北亿纬动力有限公司 | Power battery system and electric vehicle |
| CN114435104A (en) * | 2022-03-10 | 2022-05-06 | 威睿电动汽车技术(宁波)有限公司 | Vehicle chassis subassembly and car |
| CN217956019U (en) * | 2022-06-22 | 2022-12-02 | 奥动新能源汽车科技有限公司 | Power battery pack with compact layout and electric automobile comprising same |
-
2022
- 2022-06-22 CN CN202221587285.XU patent/CN217956019U/en active Active
-
2023
- 2023-03-28 WO PCT/CN2023/084422 patent/WO2023246216A1/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116483A1 (en) * | 2021-12-26 | 2023-06-29 | 奥动新能源汽车科技有限公司 | Battery pack for electric vehicle, and electric vehicle comprising same |
| WO2023246216A1 (en) * | 2022-06-22 | 2023-12-28 | 奥动新能源汽车科技有限公司 | Power battery pack with compact layout, and electric vehicle comprising same |
| WO2024145928A1 (en) * | 2023-01-06 | 2024-07-11 | 宁德时代新能源科技股份有限公司 | Battery and vehicle |
| WO2024145926A1 (en) * | 2023-01-06 | 2024-07-11 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| CN117141218A (en) * | 2023-10-31 | 2023-12-01 | 江苏速豹动力科技有限公司 | Power battery system and vehicle |
| CN117141218B (en) * | 2023-10-31 | 2024-02-23 | 江苏速豹动力科技有限公司 | Power battery system and vehicle |
| CN118472435A (en) * | 2024-07-10 | 2024-08-09 | 江苏正力新能电池技术有限公司 | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023246216A1 (en) | 2023-12-28 |
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