CN114976416B - Battery replacement system and vehicle - Google Patents

Battery replacement system and vehicle Download PDF

Info

Publication number
CN114976416B
CN114976416B CN202210647803.0A CN202210647803A CN114976416B CN 114976416 B CN114976416 B CN 114976416B CN 202210647803 A CN202210647803 A CN 202210647803A CN 114976416 B CN114976416 B CN 114976416B
Authority
CN
China
Prior art keywords
battery
layer frame
power conversion
tray assembly
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210647803.0A
Other languages
Chinese (zh)
Other versions
CN114976416A (en
Inventor
潘鑫
项小雷
李松松
王博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FAW Jiefang Automotive Co Ltd
Original Assignee
FAW Jiefang Automotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FAW Jiefang Automotive Co Ltd filed Critical FAW Jiefang Automotive Co Ltd
Priority to CN202210647803.0A priority Critical patent/CN114976416B/en
Publication of CN114976416A publication Critical patent/CN114976416A/en
Application granted granted Critical
Publication of CN114976416B publication Critical patent/CN114976416B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a power conversion system and a vehicle, and belongs to the technical field of vehicles. The power exchange system comprises a bracket and a battery box body, wherein the battery box body comprises a main body bracket, a power battery and a high-voltage box unit, the main body bracket comprises a bottom layer frame, a top layer frame and a middle frame arranged between the top layer frame and the bottom layer frame, the top layer frame and the middle frame form a containing space, the bottom layer frame is detachably connected to the bracket, and the top layer frame is used for being connected with external hoisting equipment; the power battery is accommodated in the accommodating space, and a first gap is formed in the lower part of the accommodating space; the high-pressure box unit is accommodated in the first gap. The power conversion system and the vehicle have the advantages of simplifying the structure, reducing the volume, improving the operation stability of the whole vehicle, improving the space utilization rate, further improving the battery density, reducing the weight and prolonging the endurance mileage of the whole vehicle.

Description

Battery replacement system and vehicle
Technical Field
The invention relates to the technical field of vehicles, in particular to a power conversion system and a vehicle.
Background
In recent years, the commercial vehicle, especially in the field of heavy trucks, has a relatively high demand for power conversion, and in the structure of back-type power conversion adopted in the prior art, a power conversion battery box body is arranged above a longitudinal beam at the rear side of a cab of the whole vehicle. The battery box body of the battery is divided into four layers, namely a hoisting layer, an accessory layer, a battery layer and a locking layer from top to bottom, wherein the accessory layer comprises a water cooling unit and a high-voltage box BMS, and the locking layer comprises a locking mechanism battery replacement connector and a guiding structure. The structure is complex, and compared with a pure electric vehicle, the structure is large in size and weight, so that the following defects are caused: firstly, the center of gravity of the battery box body is higher, the Z-direction space of the whole vehicle is occupied, and the operation stability of the whole vehicle is poor; secondly, the space utilization rate is low, too many power batteries cannot be arranged to cause lower battery density, and regulations limit the maximum of 4m of the whole vehicle, so that the current battery box body for the power conversion only has two configurations of 282kWh and 350 kWh; and thirdly, the weight is larger, and the whole vehicle endurance mileage is reduced.
Therefore, a need exists for a power conversion system and a vehicle that solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a power conversion system and a vehicle, which are simple in structure, small in size, high in operation stability of the whole vehicle, high in space utilization rate, high in battery density, low in weight and long in endurance mileage of the whole vehicle.
To achieve the purpose, the invention adopts the following technical scheme:
in one aspect, a power conversion system is provided, including bracket and battery box, the battery box includes:
the main body support comprises a bottom layer frame, a top layer frame and a middle frame arranged between the top layer frame and the bottom layer frame, wherein the bottom layer frame, the top layer frame and the middle frame form a containing space, the bottom layer frame is detachably connected with the bracket, and the top layer frame is used for being connected with external hoisting equipment;
The power battery is accommodated in the accommodating space, and a first gap is formed in the lower part of the accommodating space;
and the high-pressure box unit is accommodated in the first gap.
Optionally, the bracket comprises a bottom tray assembly and a connecting plate arranged at the bottom of the bottom tray assembly, wherein the connecting plate is used for being connected with an external device.
Optionally, still include two at least groups of locking mechanism, locking mechanism includes locking axle, nut and driving piece, the locking axle wear to establish and rotate connect in the collet assembly, the nut floating connection in the bottom frame, the driving piece can drive locking axle threaded connection in the nut.
Optionally, the top of the locking shaft is conical.
Optionally, be equipped with four cuboid guide blocks on the bottom tray assembly, four on four summit of rectangle are located to the cuboid guide block, the underframe is equipped with the rectangular channel, the rectangular channel pass four the cuboid guide block support in on the bottom tray assembly, the side butt of cuboid guide block in the cell wall of rectangular channel, two adjacent faces at cuboid guide block top are the direction inclined plane, four one side that the cuboid guide block deviates from each other is equipped with respectively the direction inclined plane.
Optionally, the battery box body is provided with a first electrical connector, the bottom tray assembly is provided with a second electrical connector which can be plugged with the first electrical connector, and the bottom tray assembly is elastically arranged on the external device.
Optionally, the bracket further comprises a subframe connected to the bottom tray assembly, the connecting plate is connected to the subframe, and the subframe is supported by the external device to space the bottom tray assembly from the external device.
Optionally, the accommodating space is further provided with a second gap, and the battery box body further comprises a water cooling unit, and the water cooling unit is accommodated in the second gap.
Optionally, the high-voltage box unit comprises a box body and one or more of a first electricity exchanging connector, a BMS control box, a high-voltage box charging gun master seat and a electricity exchanging controller which are arranged in the box body.
In another aspect, a vehicle is provided that includes the above-described power conversion system.
The invention has the beneficial effects that:
According to the power conversion system and the vehicle, the battery box body is detachably connected with the bracket and can be connected with the hoisting equipment, so that the power conversion system is very convenient to use, and a rapid power conversion target is safely and stably realized; compared with the prior art, the structure layout of the main body support is optimized, the locking layer and the hoisting layer are reduced, the frame structure of the main body support can be reduced, the high-voltage box unit and the power battery are simultaneously arranged in the accommodating space, and the space is fully utilized, so that the structure is simplified, the volume is reduced, and the operation stability of the whole vehicle is improved; the integrated space saved can be used for installing the power battery, the space utilization rate is improved, the battery density is further improved, and the electric quantity is doubled compared with the existing scheme in the market under the same height; the weight is reduced, the light weight is realized, and the whole vehicle endurance mileage is prolonged.
Drawings
FIG. 1 is a schematic illustration of a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a battery case according to an embodiment of the present invention;
FIG. 3 is a front view of a bracket provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a bracket provided in an embodiment of the present invention;
fig. 5 is a partial schematic view of a locking mechanism according to an embodiment of the present invention mounted to a bracket and a battery case.
In the figure:
100. a vehicle body; 101. a longitudinal beam;
1. A bracket; 11. a bottom tray assembly; 111. a first connection portion; 12. a connecting plate; 13. a rectangular guide block; 131. a guide inclined surface; 14. an auxiliary frame;
2. A battery case; 21. a main body bracket; 211. a top layer frame; 2111. a connection hole; 212. a bottom layer frame; 213. a middle frame; 21A, an accommodating space; 21B, a first void; 21C, a second void; 22. a power battery; 23. a high-pressure box unit; 24. a water cooling unit;
3. A locking mechanism; 31. a locking shaft; 32. and (3) a nut.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The present embodiment provides a power conversion system, as shown in fig. 1-5, including a bracket 1 and a battery box 2, specifically, the battery box 2 includes a main body support 21, a power battery 22 and a high voltage box unit 23, the main body support 21 includes a bottom frame 212, a top frame 211 and a middle frame 213 disposed between the top frame 211 and the bottom frame 212, the top frame 211 and the middle frame 213 form a containing space 21A, the bottom frame 212 is detachably connected to the bracket 1, and the top frame 211 is used for being connected to an external hoisting device; the power battery 22 is accommodated in the accommodating space 21A, and a first gap 21B is formed in the lower part of the accommodating space 21A; the high-pressure cartridge unit 23 is accommodated in the first space 21B.
The present embodiment is exemplified by using the power exchanging system for a vehicle, and other embodiments may be used for other devices. The bracket 1 is fixed to the body 100 of the vehicle, the main body bracket 21 is formed by the top frame 211, the bottom frame 212 and the middle frame 213, the power battery 22 is mounted in the accommodating space 21A of the main body bracket 21, and when the power is replaced, the hoisting device is connected to the top frame 211 and is connected to the bracket 1 by the bottom frame 212. In this embodiment, as shown in fig. 2, a bump is convexly provided on the top of the top frame 211, and a connection hole 2111 is provided on the bump, and the lifting device is connected with the top frame 211 through the connection hole 2111, for example, a hook of the lifting device penetrates into the connection hole 2111.
The battery box body 2 is detachably connected with the bracket 1 and can be connected with hoisting equipment, so that the battery box is very convenient to use, and the quick power change target is safely and stably realized; compared with the prior art, the structural layout of the main body support 21 is optimized, the locking layer and the hoisting layer are reduced, the frame structure of the main body support 21 can be reduced, the high-voltage box unit 23 and the power battery 22 are simultaneously arranged in the accommodating space 21A, and the space is fully utilized, so that the structure is simplified, the volume is reduced, and the operation stability of the whole vehicle is improved; the space saved by improving the integration can be used for installing the power battery 22, the space utilization rate is improved, the battery density is further improved, and the electric quantity is doubled compared with the existing scheme on the market under the same height; the weight is reduced, the light weight is realized, and the whole vehicle endurance mileage is prolonged.
Optionally, the high voltage box unit 23 includes a box body and one or more of a first power conversion connector, a BMS control box, a high voltage box charging gun socket and a power conversion controller, which are arranged in the box body, and the high voltage box unit is set according to actual requirements, and is not limited. In this embodiment, the high voltage box unit 23 includes a first electrical connector, and the bottom tray assembly 11 is provided with a second electrical connector capable of being plugged with the first electrical connector to realize electrical connection.
Optionally, as shown in fig. 2, the battery box 2 further includes a water cooling unit 24 for cooling the power battery 22, thereby improving reliability. Specifically, the accommodating space 21A further has a second gap 21C, and the water cooling unit 24 is accommodated in the second gap 21C, so that the space is fully utilized, and the volume is saved. Further, the second gap 21C may be disposed at any position such as the upper, middle and lower positions of the accommodating space 21A, and the remaining second gap 21C may be disposed according to the arrangement of the actual power cells 22, which is not limited, and in this embodiment, the second gap 21C is disposed at the upper right portion of the accommodating space 21A. In other embodiments, the water chiller 24 may be integrated with the cab cooling.
Specifically, the number of the power cells 22 may be set according to actual needs, such as one to sixteen, or the like.
Specifically, the battery box 2 further includes a nonmetallic skin disposed on the outer periphery of the main body support 21, which plays a role in aesthetic appearance and protection of internal parts.
In this embodiment, the main body bracket 21 is welded from a high-strength rectangular steel pipe.
Alternatively, as shown in fig. 1, 3 and 4, the bracket 1 includes a bottom tray assembly 11 and a connection plate 12 provided at the bottom of the bottom tray assembly 11, the connection plate 12 being for connection with an external device.
Specifically, the bottom tray assembly 11 is formed by welding rectangular steel pipes, as shown in fig. 4, the bottom tray assembly 11 is surrounded by rectangular steel pipes to form a rectangular frame, two groups of symmetrical connecting plates 12 are arranged at the bottom of the bottom tray assembly 11, and the connecting plates 12 are connected to left and right longitudinal beams 101 of the vehicle body 100. Specifically, the bottom tray assembly 11 is used for carrying components, such as a charging port, a power conversion controller, a pipe line, etc., and is specifically set according to practical situations, without limitation.
Optionally, as shown in fig. 3 and fig. 4, four cuboid guide blocks 13 are provided on the bottom tray assembly 11, the four cuboid guide blocks 13 are provided on four vertexes of a rectangle, the bottom layer frame 212 is formed with a rectangular groove by welding rectangular steel pipes, the rectangular groove passes through the four cuboid guide blocks 13 to be supported on the bottom tray assembly 11, the side faces of the cuboid guide blocks 13 are abutted to the groove walls of the rectangular groove, two adjacent faces at the top of the cuboid guide blocks 13 are guide inclined faces 131, and one sides of the four cuboid guide blocks 13 deviating from each other are respectively provided with the guide inclined faces 131. When the battery box body 2 is assembled, each guide inclined surface 131 of the four cuboid guide blocks 13 plays a guide role respectively, can position the battery box body 2 in the X axial direction and the Y axial direction respectively, plays a fixed role on the battery box body 2 when a vehicle runs, prevents abnormal sound and the like caused by shaking between the battery box body and the lower bracket 1, improves reliability and stability, avoids continuous interaction between the battery box body 2 and the bracket 1, and reduces potential safety hazards. Specifically, locking is performed through locking mechanism 3 between bracket 1 and the battery box 2, fixes through cuboid guide block 13, can prevent that locking mechanism 3 from receiving the impact, has reduced the potential safety hazard. Through cuboid guide block 13 and use high strength rectangle steel pipe, improved the structural reliability, satisfied commercial car at intensity, durable, the reliability etc. demand of different operating modes such as high ring, bad road and guarantee the reliability of trading the electric system.
Optionally, as shown in fig. 1 and fig. 3-5, the power conversion system includes at least two sets of locking mechanisms 3, the locking mechanisms 3 include a locking shaft 31, a nut 32 and a driving member, the locking shaft 31 is penetrated and rotatably connected to the bottom tray assembly 11, the nut 32 is floatingly connected to the bottom frame 212, and the driving member can drive the locking shaft 31 to be in threaded connection with the nut 32, so that connection tightness between the battery box 2 and the bracket 1 is improved; because the nut 32 is in floating connection, when the locking shaft 31 is connected with the nut 32, the nut 32 has a certain floating space, and can float in the X-axis direction, the Y-axis direction and the Z-axis direction in the bottom frame 212, so that no impact exists. Compared with the existing pneumatic locking structure, the pneumatic locking structure has smaller locking force, so that the phenomenon that the lock tongue cannot stretch normally easily occurs, the failure rate is higher, the pneumatic locking structure and the brake share the air pump, continuous pressing is needed, the locking function is realized, and when the air pipe leaks or the brake is continuously carried out, the pressure in the system is insufficient, so that potential safety hazards exist. The locking mechanism 3 in the embodiment can be unlocked manually through a wrench when the unlocking system fails, so that the problem of 'stagnation lock locking' fault is solved.
In this embodiment, four sets of locking mechanisms 3 are provided at four corners of the rectangle, that is, four nuts 32 are floatingly connected to four corners of the rectangular bottom frame 212, and four locking shafts 31 are provided at four corners of the rectangular bottom tray assembly 11.
Alternatively, as shown in fig. 5, the top of the locking shaft 31 is conical, and when the nut 32 floats, the conical shape has a guiding function, so that the locking shaft 31 is matched along the guiding of the conical surface, and then the locking shaft 31 is driven to rotate by a pneumatic/hydraulic/electric driving member or the like to lock, and the specific driving member can refer to the prior art and is not described again.
Optionally, the bottom tray assembly 11 is resiliently placed on an external device; specifically, as shown in fig. 3 and 4, the bottom tray assembly 11 includes a first connection portion 111, a connection plate 12 is located at a middle position of the bottom tray assembly 11 along the X axis, the first connection portion 111 is located at one end of the bottom tray assembly 11 along the X axis, and a second electrical connector is disposed at the first connection portion 111.
Specifically, the first electrical replacement connector and the second electrical replacement connector may be a combination of multiple dual-core or four-core schemes, which is not limited.
Optionally, as shown in fig. 3 and 4, the bracket 1 further includes a subframe 14, where the subframe 14 is connected to the bottom tray assembly 11, the connecting plate 12 is connected to the subframe 14, the subframe 14 is supported on an external device to space the bottom tray assembly 11 from the external device, and the subframe 14 can lift the bottom tray assembly 11 to avoid interference with other parts on the vehicle body 100, such as a motor, and may be set according to actual requirements or the height of the subframe 14, etc.
In this embodiment, two auxiliary frames 14 are symmetrically arranged in the middle of the bottom tray assembly 11 along the X axis direction and connected to the bottom surface of the bottom tray assembly 11, and two sets of connecting plates 12 are connected to the two auxiliary frames 14 by screws. A rectangular parallelepiped guide block 13 is connected above the bottom tray assembly 11.
The embodiment provides a vehicle, and it includes the power conversion system, simplifies the structure, reduces the volume, improves whole car operating stability, improves space utilization, and then improves battery density, reduces weight, extension whole car continuation of journey mileage. Specifically, the power conversion system can be used for new energy commercial vehicles such as dumpers, tractors, sanitation vehicles and the like.
Specifically, as shown in fig. 1, the power conversion system is located behind the cab of the vehicle body 100 and is fixed to the upper surface of the side member 101 of the vehicle body 100. The battery box body 2 and the bracket 1 are fixed through the locking mechanism 3, and the battery box body 2 is replaced in a power exchange station through full-automatic operation of the machine, so that the battery box is simple and convenient.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (8)

1. The utility model provides a trade electric system, its characterized in that includes bracket (1) and battery box (2), battery box (2) include:
The main body support (21) comprises a bottom layer frame (212), a top layer frame (211) and a middle frame (213) arranged between the top layer frame (211) and the bottom layer frame (212), wherein the bottom layer frame (212), the top layer frame (211) and the middle frame (213) form a containing space (21A), the bottom layer frame (212) is detachably connected with the bracket (1), and the top layer frame (211) is used for being connected with external hoisting equipment;
A power battery (22) accommodated in the accommodating space (21A), wherein a first gap (21B) is formed at the lower part of the accommodating space (21A);
a high-pressure box unit (23) accommodated in the first space (21B);
the high-voltage box unit (23) and the power battery (22) are simultaneously arranged in the accommodating space (21A);
the bracket (1) comprises a bottom tray assembly (11) and a connecting plate (12) arranged at the bottom of the bottom tray assembly (11), wherein the connecting plate (12) is used for being connected with an external device;
four cuboid guide blocks (13) are arranged on the bottom tray assembly (11), the four cuboid guide blocks (13) are arranged on four vertexes of a rectangle, a rectangular groove is formed in the bottom frame (212), the rectangular groove penetrates through the four cuboid guide blocks (13) to be supported on the bottom tray assembly (11), the side faces of the cuboid guide blocks (13) are abutted to the groove walls of the rectangular groove, two adjacent faces at the top of the cuboid guide blocks (13) are guide inclined faces (131), and one sides, deviating from each other, of the cuboid guide blocks (13) are respectively provided with the guide inclined faces (131).
2. The power conversion system according to claim 1, further comprising at least two sets of locking mechanisms (3), wherein the locking mechanisms (3) comprise a locking shaft (31), a nut (32) and a driving member, the locking shaft (31) is arranged in a penetrating and rotating manner and connected to the bottom tray assembly (11), the nut (32) is connected to the bottom frame (212) in a floating manner, and the driving member is capable of driving the locking shaft (31) to be connected to the nut (32) in a threaded manner.
3. A power conversion system according to claim 2, characterized in that the top of the locking shaft (31) is conical.
4. The power conversion system according to claim 1, characterized in that a first power conversion connector is arranged on the battery box body (2), a second power conversion connector capable of being plugged with the first power conversion connector is arranged on the bottom tray assembly (11), and the bottom tray assembly (11) is elastically arranged on the external device.
5. The power conversion system according to claim 1, wherein the cradle (1) further comprises a subframe (14), the subframe (14) being connected to the floor tray assembly (11), the connection plate (12) being connected to the subframe (14), the subframe (14) being supported to the external device such that the floor tray assembly (11) is spaced apart from the external device.
6. The power conversion system according to any one of claims 1 to 5, wherein the accommodating space (21A) further has a second gap (21C), and the battery case (2) further includes a water cooling unit (24), and the water cooling unit (24) is accommodated in the second gap (21C).
7. The battery exchange system according to any one of claims 1-5, wherein the high voltage cartridge unit (23) comprises a cartridge body and one or more of a first battery exchange connector, a BMS control cartridge, a high voltage cartridge charging gun mount and a battery exchange controller provided within the cartridge body.
8. A vehicle comprising a power conversion system according to any one of claims 1-7.
CN202210647803.0A 2022-06-08 2022-06-08 Battery replacement system and vehicle Active CN114976416B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210647803.0A CN114976416B (en) 2022-06-08 2022-06-08 Battery replacement system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210647803.0A CN114976416B (en) 2022-06-08 2022-06-08 Battery replacement system and vehicle

Publications (2)

Publication Number Publication Date
CN114976416A CN114976416A (en) 2022-08-30
CN114976416B true CN114976416B (en) 2024-05-31

Family

ID=82962035

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210647803.0A Active CN114976416B (en) 2022-06-08 2022-06-08 Battery replacement system and vehicle

Country Status (1)

Country Link
CN (1) CN114976416B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534178A (en) * 2018-12-27 2019-03-29 上海玖行能源科技有限公司 A kind of pure electric vehicle heavy-duty vehicle top lifting electric charging system
CN109649214A (en) * 2018-12-27 2019-04-19 上海玖行能源科技有限公司 A kind of lift-on/lift-off type battery case of energy precise positioning locking
WO2021083062A1 (en) * 2019-10-31 2021-05-06 宁德时代新能源科技股份有限公司 Battery pack lower box body, battery pack, device, and assembling method for battery pack lower box body
WO2021128826A1 (en) * 2019-12-25 2021-07-01 上海玖行能源科技有限公司 Battery-replaceable load-bearing motion apparatus
CN113320458A (en) * 2021-06-25 2021-08-31 三一汽车制造有限公司 Construction vehicle
CN214647702U (en) * 2021-02-05 2021-11-09 湖南行必达网联科技有限公司 Vehicle-mounted battery replacing device and electric automobile
CN215644808U (en) * 2021-08-30 2022-01-25 天津市捷威动力工业有限公司 Power battery system structure
CN216153582U (en) * 2021-08-30 2022-04-01 宇通商用车有限公司 Vehicle battery replacing unit and battery replacing frame thereof
CN114274836A (en) * 2022-03-07 2022-04-05 江苏华皓瑞能科技有限公司 Large-scale automobile-used battery trades power station

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208690572U (en) * 2018-08-15 2019-04-02 宁德时代新能源科技股份有限公司 Inserting terminal, multifunctional high pressure connector and battery product

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534178A (en) * 2018-12-27 2019-03-29 上海玖行能源科技有限公司 A kind of pure electric vehicle heavy-duty vehicle top lifting electric charging system
CN109649214A (en) * 2018-12-27 2019-04-19 上海玖行能源科技有限公司 A kind of lift-on/lift-off type battery case of energy precise positioning locking
WO2021083062A1 (en) * 2019-10-31 2021-05-06 宁德时代新能源科技股份有限公司 Battery pack lower box body, battery pack, device, and assembling method for battery pack lower box body
WO2021128826A1 (en) * 2019-12-25 2021-07-01 上海玖行能源科技有限公司 Battery-replaceable load-bearing motion apparatus
CN214647702U (en) * 2021-02-05 2021-11-09 湖南行必达网联科技有限公司 Vehicle-mounted battery replacing device and electric automobile
CN113320458A (en) * 2021-06-25 2021-08-31 三一汽车制造有限公司 Construction vehicle
CN215644808U (en) * 2021-08-30 2022-01-25 天津市捷威动力工业有限公司 Power battery system structure
CN216153582U (en) * 2021-08-30 2022-04-01 宇通商用车有限公司 Vehicle battery replacing unit and battery replacing frame thereof
CN114274836A (en) * 2022-03-07 2022-04-05 江苏华皓瑞能科技有限公司 Large-scale automobile-used battery trades power station

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Reviewofmechanicaldesignandstrategicplacementtechnique of arobustbatterypackforelectricvehicles;Shashank Arora等;《RenewableandSustainableEnergyReviews》;20161231;1319-1331 *

Also Published As

Publication number Publication date
CN114976416A (en) 2022-08-30

Similar Documents

Publication Publication Date Title
EP3896756A1 (en) Quick-change general power battery for new energy vehicles
EP1550571A1 (en) Car
CN102481832A (en) Fuel cell system, and vehicle
WO2004030969A1 (en) Fuel cell equipped vehicle
CN113787920B (en) Chassis arrangement structure of hydrogen fuel tractor and hydrogen fuel tractor
WO2022068099A1 (en) Battery swap type hybrid power vehicle
CN115352314A (en) Battery-replaceable vehicle
CN118103248A (en) Trailer vehicle with an electric drive, vehicle combination with a trailer vehicle, and method for operating a trailer vehicle
CN114976416B (en) Battery replacement system and vehicle
CN106335354B (en) Battery pack mounting device for hybrid electric vehicle
CN116691310A (en) Battery box assembly for electric vehicle
WO2024139949A1 (en) Electric vehicle
CN211519267U (en) Unmanned pure electric port container transport truck
CN216886903U (en) Chassis and car
CN220180625U (en) Battery replacement system, battery and vehicle
CN219989379U (en) Multi-wheel drive trailer system
CN110803034A (en) Improved electric power mining vehicle
CN220746464U (en) Dual-power subway steel rail grinding wagon
CN219668060U (en) Charging type pure electric concrete mixing transport vehicle
CN216139806U (en) Electric vehicle chassis and electric vehicle
CN221163017U (en) Chassis assembly for vehicle and vehicle with chassis assembly
CN216942662U (en) Vehicle chassis and vehicle
CN217804173U (en) Hydrogen fuel cell vehicle chassis and hydrogen fuel cell vehicle
CN220147129U (en) Battery frame for replacing electricity heavy truck
CN219618896U (en) Truck power battery trades electric structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant