CN116279807A - Frame structure of assembled integrated battery pack - Google Patents

Frame structure of assembled integrated battery pack Download PDF

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Publication number
CN116279807A
CN116279807A CN202310097797.0A CN202310097797A CN116279807A CN 116279807 A CN116279807 A CN 116279807A CN 202310097797 A CN202310097797 A CN 202310097797A CN 116279807 A CN116279807 A CN 116279807A
Authority
CN
China
Prior art keywords
battery pack
connecting plate
box
beams
plate
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.)
Pending
Application number
CN202310097797.0A
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Chinese (zh)
Inventor
苏松林
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.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
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 Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN202310097797.0A priority Critical patent/CN116279807A/en
Publication of CN116279807A publication Critical patent/CN116279807A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66Arrangements of batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/023Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438Arrangement under the floor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a frame structure for assembling an integrated battery pack, which comprises a frame, wherein the frame comprises longitudinal beams (1), a front anti-collision beam (2), a first cross beam (3), a rear anti-collision beam (4) and a second cross beam (5), the number of the longitudinal beams (1) is two, the front anti-collision beam (2) and the first cross beam (3) are fixedly arranged at one ends of the two longitudinal beams (1), the rear anti-collision beam (4) and the second cross beam (5) are fixedly arranged at the other ends of the two longitudinal beams (1), and an integrated battery pack (6) is fixedly arranged between the two longitudinal beams (1). The invention can effectively fix the integrated battery pack and has the advantages of large battery pack ground clearance, less wire harness and less risk points.

Description

Frame structure of assembled integrated battery pack
Technical Field
The invention relates to a frame and a battery pack, in particular to a frame structure for assembling an integrated battery pack.
Background
The light logistics vehicle is used as a main tool for urban logistics transportation, and gradually replaces the traditional fuel vehicle in the large environment of energy conservation and carbon reduction. In the prior art, the light logistics vehicle is faced with the transformation type upgrading, the traditional light logistics vehicle mainly uses an oil vehicle to change into an electric vehicle, the frame is unchanged, the battery packs are hung on two sides of the frame, and the light logistics vehicle is rapidly pushed to the market under the condition of meeting the existing vehicle bearing requirements.
The battery pack is hung on two sides of the frame, the frame is divided into a front section, a middle section and a rear section by the aid of the fuel vehicle frame, the front section is large in opening, the fuel vehicle engine is convenient to arrange, the opening distances of the middle section and the rear section are the same, and the manufacturing is convenient; the trolley is changed from an oil truck to a trolley, the battery packs are assembled in the middle section, and a multi-pack series battery system is realized by passing through high-voltage wires and low-voltage wires below the frame longitudinal beams.
The existing oil-to-electric vehicle type needs to be designed with an L-shaped complex bracket, the bracket structure is heavy, the battery pack is arranged on one side or two sides, the ground clearance at the bottom of the battery pack is small, the battery pack is limited by the length of the middle section of the original vehicle frame, the battery space is limited, and larger electric quantity cannot be arranged; the battery packs have more high-voltage and low-voltage series wiring harnesses and more connection risk points.
Disclosure of Invention
The invention aims to provide a frame structure for assembling an integrated battery pack, which solves the technical problems in the prior art, can effectively fix the integrated battery pack, and has the advantages of large ground clearance height, less wire harness and less risk points.
The invention provides a frame structure for assembling an integrated battery pack, which comprises a frame, wherein the frame comprises longitudinal beams, front anti-collision beams, first cross beams, rear anti-collision beams and second cross beams, the number of the longitudinal beams is two, the front anti-collision beams and the first cross beams are fixedly arranged at one ends of the two longitudinal beams, the rear anti-collision beams and the second cross beams are fixedly arranged at the other ends of the two longitudinal beams, and an integrated battery pack is fixedly arranged between the two longitudinal beams.
In the foregoing frame structure for assembling an integrated battery pack, preferably, the integrated battery pack includes a box body, an integrated battery module, a box cover and a battery pack lifting lug, a top opening of the box body, the integrated battery module is installed in the box body, the box body faces two side walls of the longitudinal beam to form a plurality of battery pack lifting lugs, the battery pack lifting lug is connected with the longitudinal beam through a connecting piece, and the box cover is detachably installed at the top of the box body.
In the foregoing frame structure of the assembled integrated battery pack, preferably, a plurality of support plates are disposed at the top of the box, and two ends of the support plates are fixedly connected with inner walls of two side walls of the box.
In the foregoing frame structure of the assembled integrated battery pack, preferably, two side walls of the box body facing the longitudinal beam are respectively formed with two reinforcing ribs.
In the frame structure of the assembled integrated battery pack, preferably, the battery pack lifting lug comprises a first connecting plate, a first supporting plate and a first reinforcing plate, two ends of the first connecting plate are respectively connected with one first supporting plate, two first supporting plates and one first connecting plate form an isosceles trapezoid structure, two first supporting plates are fixedly connected with the outer side wall of the box body, two first mounting holes are formed in the first connecting plate, through holes for mounting the battery pack lifting lug are formed in the longitudinal beam, the connecting pieces are bolt assemblies, the number of the first reinforcing plates is two, one end of each first reinforcing plate is fixedly connected with the first connecting plate, the other ends of the first reinforcing plates are fixedly connected with the outer wall of the longitudinal beam, and the first reinforcing plates are perpendicular to the side wall of the longitudinal beam and the first connecting plate.
In the frame structure of the assembled integrated battery pack, preferably, the battery pack lifting lug comprises a second connecting plate, a second supporting plate and a second reinforcing plate, two ends of the second connecting plate are respectively connected with one second supporting plate, two second supporting plates are perpendicular to the second connecting plate, two second supporting plates are fixedly connected with the outer side wall of the box body, a second mounting hole is formed in the second connecting plate, through holes for mounting the battery pack lifting lug are formed in the longitudinal beam, the connecting pieces are bolt assemblies, the number of the second reinforcing plates is two, one end of each second reinforcing plate is fixedly connected with the second connecting plate, the other end of each second reinforcing plate is fixedly connected with the outer wall of the longitudinal beam, and the first reinforcing plate is perpendicular to the side wall of the longitudinal beam and the second connecting plate.
In the foregoing frame structure of the assembled integrated battery pack, preferably, the second reinforcing plate is provided with a third mounting hole, and the upper flange and the lower flange of the longitudinal beam are provided with through holes for fixing the second supporting plate.
Compared with the prior art, the invention comprises a frame, wherein the frame comprises two longitudinal beams, a front anti-collision beam, a first cross beam, a rear anti-collision beam and a second cross beam, the front anti-collision beam and the first cross beam are fixedly arranged at one ends of the two longitudinal beams, the rear anti-collision beam and the second cross beam are fixedly arranged at the other ends of the two longitudinal beams, and an integrated battery pack is fixedly arranged between the two longitudinal beams. According to the invention, the cross beams in the traditional vehicle frame are removed, and only the front anti-collision beam, the first cross beam, the rear anti-collision beam and the second cross beam are reserved, so that a large enough space is reserved between the two longitudinal beams for installing the integrated battery pack, and the electric quantity of the integrated battery pack is ensured to meet the use requirement. The integrated battery pack is arranged between the two longitudinal beams, so that the problem that the distance between the battery pack arranged on two sides in the prior art and the ground is small is solved, the mounting bracket is omitted, the cost is reduced, the weight of a vehicle is reduced, the use of high-voltage wire harnesses and low-voltage wire harnesses is reduced, and risk points are reduced. Effectively solves the defects in the prior art.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a perspective view of a partial structure of the present invention;
FIG. 3 is a schematic view of a structure of an integrated battery pack;
FIG. 4 is a schematic view of a construction of a battery pack tab;
FIG. 5 is a schematic cross-sectional structure of example 1;
fig. 6 is another structural schematic diagram of an integrated battery pack;
FIG. 7 is a schematic view of another construction of a battery pack tab;
FIG. 8 is a schematic cross-sectional structure of example 2.
Reference numerals illustrate: longitudinal beam 1, front crashproof roof beam 2, first crossbeam 3, back crashproof roof beam 4, second crossbeam 5, integral type battery package 6, box 7, case lid 8, battery package lug 9, backup pad 10, strengthening rib 11, first connecting plate 12, first backup pad 13, first reinforcing plate 14, second connecting plate 15, second backup pad 16, second reinforcing plate 17, second mounting hole 18, third mounting hole 19, first mounting hole 20.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1 of the present invention: as shown in fig. 1-5, a frame structure of an assembled integrated battery pack comprises a frame, wherein the frame comprises longitudinal beams 1, a front anti-collision beam 2, a first cross beam 3, a rear anti-collision beam 4 and a second cross beam 5, the number of the longitudinal beams 1 is two, the two longitudinal beams 1 are arranged in parallel, the front anti-collision beam 2 and the first cross beam 3 are fixedly arranged at one ends of the two longitudinal beams 1, particularly at the head end, the rear anti-collision beam 4 and the second cross beam 5 are fixedly arranged at the other ends of the two longitudinal beams 1, particularly at the tail end of a vehicle, the front anti-collision beam 2, the first cross beam 3, the rear anti-collision beam 4 and the second cross beam 5 are perpendicular to the two longitudinal beams 1, and an integrated battery pack 6 is fixedly arranged between the two longitudinal beams 1.
The integrated battery pack 6 is fixedly arranged between the two longitudinal beams 1, so that the ground clearance of the integrated battery pack is improved, a bracket is not required to be arranged independently, and the space is reasonably utilized. Compared with the structure of arranging the battery packs on two sides in the prior art, the invention reduces the consumption of high-voltage wires and low-voltage wires, reduces the hidden connection trouble points, improves the safety of the whole vehicle, reduces the weight of the whole vehicle and meets the requirement of light weight.
Specifically, the integral battery pack 6 includes box 7, integral battery module, case lid 8 and battery pack lug 9, and the open-top of box 7, integral battery module installs in box 7, and it should be noted that integral battery module is prior art, and not described in detail here again, is formed with a plurality of battery pack lugs 9 on two lateral walls of box 7 orientation longeron 1, and battery pack lug 9 passes through the connecting piece and is connected with longeron 1, and case lid 8 detachably installs at the top of box 7.
The number of the battery pack lifting lugs 9 can be increased or decreased according to the size of the box 7, and the number of the battery pack lifting lugs 9 in the embodiment is 6 and the battery pack lifting lugs are arranged at equal intervals.
In order to prevent the integral battery module from shaking and to effectively protect the alignment, preferably, a plurality of support plates 10 are provided at the top of the case 7, and both ends of the support plates 10 are fixedly connected with the inner walls of both side walls of the case 7. The fixing manner may be welding or bolting, and the number of the support plates 10 in the present embodiment is 6. The support plate 10 also serves to support the box body 7 and the stringers 1, bearing the load of the vehicle.
In order to increase the structural strength of the box 7, two reinforcing ribs 11 are formed on both side walls of the box 7 facing the side members 1, respectively. The reinforcing ribs 11 are arranged along the length direction of the box body 7 and are equal to the box body 7 in length. The provision of the reinforcing ribs 11 can further prevent the case 7 from being deformed.
Further, the battery package lug 9 includes first connecting plate 12, first backup pad 13 and first reinforcing plate 14, the both ends of first connecting plate 12 are connected with a first backup pad 13 respectively, isosceles trapezoid structure is formed with a first connecting plate 12 to two first backup pads 13, battery package lug 9 is formed by an iron plate punching press in this embodiment, two first backup pads 13 and the lateral wall welded fastening connection of box 7, two first mounting holes 20 have been seted up on the first connecting plate 12, the through-hole that is used for installing battery package lug 9 has been seted up on the longeron 1, the connecting piece is the bolt subassembly, the bolt subassembly passes through first mounting hole 20 and through-hole and fixes first connecting plate 12 on longeron 1, the quantity of first reinforcing plate 14 is two, the one end and the first connecting plate 12 fixed connection of two first reinforcing plates 14, the other end and the outer wall fixed connection of longeron 1 of two first reinforcing plates 14, first reinforcing plate 14 is perpendicular with the lateral wall and the first connecting plate 12 of longeron 1 simultaneously.
Through the arrangement of the first reinforcing plate 14, the battery pack lifting lug 9 can be effectively prevented from being deformed, and the structural strength of the battery pack lifting lug is improved.
Example 2 of the present invention: the difference between this embodiment and embodiment 1 is that the battery pack lifting lug 9 has a different structure, please combine fig. 6-8, the battery pack lifting lug 9 includes a second connecting plate 15, a second supporting plate 16 and a second reinforcing plate 17, two ends of the second connecting plate 15 are respectively connected with a second supporting plate 16, two second supporting plates 16 are all perpendicular to the second connecting plate 15, two second supporting plates 16 are fixedly connected with the outer side wall of the box 7, a second mounting hole 18 is provided on the second connecting plate 15, a through hole for mounting the battery pack lifting lug 9 is provided on the longitudinal beam 1, the connecting piece is a bolt component, the number of the second reinforcing plates 17 is two, one ends of the two second reinforcing plates 17 are fixedly connected with the second connecting plate 15, the other ends of the two second reinforcing plates 17 are fixedly connected with the outer wall of the longitudinal beam 1, and the first reinforcing plate 14 is perpendicular to the side wall of the longitudinal beam 1 and the second connecting plate 15. Four third mounting holes 19 are formed in the second reinforcing plate 17, and through holes for fixing the second supporting plate 16 are formed in the upper flanging and the lower flanging of the longitudinal beam 1.
The application method of the invention comprises the following steps: when the anti-collision device is used, the integrated battery pack 6 is firstly placed in the box body 7 and fixed by using the bolt assembly, then the supporting plate 10 and the box cover 8 are assembled, then the two longitudinal beams 1 are respectively installed on two sides of the box body 7 by the bolt assembly, and then the front anti-collision beam 2, the first cross beam 3, the rear anti-collision beam 4 and the second cross beam 5 are assembled.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (7)

1. The utility model provides a frame structure of assembled integral type battery package, includes frame, its characterized in that: the frame comprises longitudinal beams (1), front anti-collision beams (2), first cross beams (3), rear anti-collision beams (4) and second cross beams (5), wherein the number of the longitudinal beams (1) is two, the front anti-collision beams (2) and the first cross beams (3) are fixedly arranged at one ends of the two longitudinal beams (1), the rear anti-collision beams (4) and the second cross beams (5) are fixedly arranged at the other ends of the two longitudinal beams (1), and an integrated battery pack (6) is fixedly arranged between the two longitudinal beams (1).
2. The frame structure of an assembled integrated battery pack according to claim 1, wherein: the utility model provides an integral type battery package (6) includes box (7), integral type battery module, case lid (8) and battery package lug (9), the open-top of box (7), integral type battery module installs in box (7), box (7) orientation be formed with a plurality of on two lateral walls of longeron (1) battery package lug (9), battery package lug (9) pass through the connecting piece with longeron (1) are connected, case lid (8) detachably installs the top of box (7).
3. The frame structure of the assembled integrated battery pack according to claim 2, wherein: the top of box (7) is equipped with a plurality of backup pads (10), the both ends of backup pad (10) with the inner wall fixed connection of box (7) both sides wall.
4. The frame structure of the assembled integrated battery pack according to claim 2, wherein: two side walls of the box body (7) facing the longitudinal beam (1) are respectively provided with two reinforcing ribs (11).
5. The frame structure of the assembled integrated battery pack according to claim 2 or 3 or 4, wherein: the battery pack lifting lug (9) comprises a first connecting plate (12), a first supporting plate (13) and a first reinforcing plate (14), wherein two ends of the first connecting plate (12) are respectively connected with one first supporting plate (13), two first supporting plates (13) and one first connecting plate (12) are of isosceles trapezoid structures, two first supporting plates (13) are fixedly connected with the outer side wall of the box body (7), two first mounting holes (20) are formed in the first connecting plate (12), through holes for mounting the battery pack lifting lug (9) are formed in the longitudinal beam (1), the connecting pieces are bolt assemblies, the number of the first reinforcing plates (14) is two, one ends of the first reinforcing plates (14) are fixedly connected with the first connecting plate (12), the other ends of the two first reinforcing plates (14) are fixedly connected with the outer wall of the longitudinal beam (1), and the first reinforcing plates (14) are simultaneously connected with the side wall of the first connecting plate (1) and the first connecting plate (12).
6. The frame structure of the assembled integrated battery pack according to claim 2 or 3 or 4, wherein: the battery package lug (9) includes second connecting plate (15), second backup pad (16) and second reinforcing plate (17), the both ends of second connecting plate (15) are connected with one respectively second backup pad (16), two second backup pad (16) all perpendicular to second connecting plate (15), two second backup pad (16) with lateral wall fixed connection of box (7), second mounting hole (18) have been seted up on second connecting plate (15), set up on longeron (1) be used for the installation the via hole of battery package lug (9), the connecting piece is the bolt assembly, the quantity of second reinforcing plate (17) is two, two the one end of second reinforcing plate (17) with second connecting plate (15) fixed connection, two the other end of second reinforcing plate (17) with the outer wall fixed connection of longeron (1), first reinforcing plate (14) simultaneously with lateral wall and second connecting plate (15) of longeron (1).
7. The frame structure of an assembled integrated battery pack according to claim 6, wherein: third mounting holes (19) are formed in the second reinforcing plate (17), and through holes for fixing the second supporting plate (16) are formed in the upper flanging and the lower flanging of the longitudinal beam (1).
CN202310097797.0A 2023-02-10 2023-02-10 Frame structure of assembled integrated battery pack Pending CN116279807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310097797.0A CN116279807A (en) 2023-02-10 2023-02-10 Frame structure of assembled integrated battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310097797.0A CN116279807A (en) 2023-02-10 2023-02-10 Frame structure of assembled integrated battery pack

Publications (1)

Publication Number Publication Date
CN116279807A true CN116279807A (en) 2023-06-23

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ID=86833329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310097797.0A Pending CN116279807A (en) 2023-02-10 2023-02-10 Frame structure of assembled integrated battery pack

Country Status (1)

Country Link
CN (1) CN116279807A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116494750A (en) * 2023-06-25 2023-07-28 江铃汽车股份有限公司 Battery pack supporting device and electric automobile
CN116995359A (en) * 2023-09-25 2023-11-03 厦门海辰储能科技股份有限公司 Battery box, battery cluster, energy storage system and electric equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116494750A (en) * 2023-06-25 2023-07-28 江铃汽车股份有限公司 Battery pack supporting device and electric automobile
CN116494750B (en) * 2023-06-25 2023-09-12 江铃汽车股份有限公司 Battery pack supporting device and electric automobile
CN116995359A (en) * 2023-09-25 2023-11-03 厦门海辰储能科技股份有限公司 Battery box, battery cluster, energy storage system and electric equipment
CN116995359B (en) * 2023-09-25 2024-01-26 厦门海辰储能科技股份有限公司 Battery box, battery cluster, energy storage system and electric equipment

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