CN113314790A - Square cabin type battery pack - Google Patents
Square cabin type battery pack Download PDFInfo
- Publication number
- CN113314790A CN113314790A CN202110578510.7A CN202110578510A CN113314790A CN 113314790 A CN113314790 A CN 113314790A CN 202110578510 A CN202110578510 A CN 202110578510A CN 113314790 A CN113314790 A CN 113314790A
- Authority
- CN
- China
- Prior art keywords
- box body
- battery pack
- side wall
- square cabin
- lower box
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
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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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/236—Hardness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—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
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a square cabin type battery pack, which comprises: the lower box body comprises a bottom plate, a first side wall extending upwards is arranged at the edge of the bottom plate along the circumferential direction, a plurality of reinforcing beams are respectively arranged in the lower box body along the length direction and the width direction of the lower box body, the upper surfaces of the reinforcing beams are flush with the upper surfaces of the side walls, the internal space of the lower box body is divided into a plurality of first square cabins and at least one second square cabin by the plurality of reinforcing beams and the side walls, the first square cabin is used for installing a battery module, and the second square cabin is used for installing an electric component; the upper box body is covered on the first square cabin and comprises a top plate, a second side wall extending downwards is circumferentially arranged at the edge of the top plate, and the lower box body and the first square cabin form a first cavity for accommodating the battery module; and the sealing cover is arranged on the second square cabin in a covering mode, is of a flat plate structure, and encloses a second cavity for accommodating the electric device together with the second square cabin. The heat protection effect of the battery pack is improved, the weight of the battery pack is reduced, and the overall strength of the battery pack is improved.
Description
Technical Field
The invention relates to the technical field of power battery packs, in particular to a square cabin type battery pack.
Background
With the development of new energy technology, the market share of new energy automobiles is gradually increased, but consumers still have two major anxiety when driving new energy automobiles, namely, endurance mileage and safety.
The power battery pack is used as a core part of a new energy automobile, the lightweight design and the safety protection design of the power battery pack are always important tasks of power battery manufacturers, and a battery pack product which is beneficial to both lightweight design and thermal safety protection is expected to be developed.
Disclosure of Invention
The invention aims to provide a square cabin type battery pack, which improves the thermal protection effect of the battery pack, reduces the weight of the battery pack and improves the overall strength of the battery pack.
In order to achieve the above object, the present invention provides a shelter-type battery pack, comprising:
the lower box body comprises a bottom plate, a first side wall extending upwards is arranged at the edge of the bottom plate along the circumferential direction, a plurality of reinforcing beams are respectively arranged in the lower box body along the length direction and the width direction of the lower box body, the upper surfaces of the reinforcing beams are flush with the upper surface of the first side wall, the internal space of the lower box body is divided into a plurality of first square cabins and at least one second square cabin by the plurality of reinforcing beams and the side wall, the first square cabin is used for installing a battery module, and the second square cabin is used for installing an electrical component;
the upper box bodies are covered on the first square cabin and comprise top plates, second side walls extending downwards are circumferentially arranged at the edges of the top plates, and the lower box bodies and the first square cabin are enclosed to form a first cavity for accommodating the battery module;
and the sealing cover is arranged on the second square cabin in a covering mode, is of a flat plate structure, and encloses a second cavity for containing the electric device together with the second square cabin.
Optionally, the bottom plate, the first side wall and the reinforcing beam are all aluminum profile structural members;
the bottom plate, the first side wall and the plurality of reinforcing beams are connected in a tailor welding mode;
alternatively, the bottom plate, the first side wall and the plurality of reinforcing beams are integrally extruded.
Optionally, the battery module is fixedly connected with the bottom plate through a bolt, or the battery module is bonded with the bottom plate through structural adhesive.
Optionally, the bottom plate is formed by tailor welding extruded aluminum profiles, and the reinforcing beam is of an extruded aluminum profile structure with a T-shaped cross section.
Optionally, the upper box body is of an aluminum profile integrated stamping structure.
Optionally, the upper surface of the upper box body is provided with a stamping rib extending along the length direction of the upper box body.
Optionally, a plurality of first mounting screw holes are formed in the top of the reinforcing beam and the top of the first side wall.
Optionally, the bottom of the second side wall of the upper box body is provided with a folded edge which is folded outwards;
a plurality of second mounting screw holes corresponding to the first mounting screw holes are formed in the folded edge and the edge of the cover;
the upper box body and the sealing cover are fixedly connected with the lower box body through the first mounting screw hole, the second mounting screw hole and the bolt.
Optionally, a sealing ring is arranged between the lower box body and the upper box body, and a plurality of through holes corresponding to the first mounting screw holes are formed in the sealing ring.
Optionally, a plurality of lifting lugs are respectively arranged on two sides of the lower box body, and the lifting lugs are welded to the outer side of the first side wall, or the lifting lugs and the first side wall are integrally formed by extrusion.
The invention has the beneficial effects that:
the upper surface of the stiffening beam is flush with the upper surface of the side wall of the lower box body, the lower box body space is divided into independent shelter spaces, the upper box body and the sealing cover are respectively arranged above the respective shelter spaces, the battery module can be effectively isolated, the thermal protection effect is better, the lower box body can be lower in height and lighter in weight, the stiffening beam is flush with the box body in height, the whole anti-extrusion capacity, the strength and the rigidity level of the battery pack are better, the upper box body is of a split independent structure, and compared with a traditional box cover with a single large flat plate structure, the upper box body is better in rigidity.
Furthermore, the upper box body adopts an integrated stamping structure and is provided with stamping ribs, so that the light weight and structural strength effects are better.
The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.
Fig. 1 shows a schematic view of an assembled shelter-type battery pack according to an embodiment of the present invention.
Fig. 2 shows an exploded view of a shelter-type battery pack according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a lower case in a shelter-type battery pack according to an embodiment of the present invention.
Fig. 4 shows a schematic structural view of a bottom plate and a reinforcing beam of a lower case of a shelter-type battery pack according to an embodiment of the invention.
Description of the reference numerals
The battery case comprises a lower case body 1, an upper case body 2, a sealing cover 3, a battery module 4, a bottom plate 5, a first side wall 6, a reinforcing beam 7, a first reinforcing beam 71, a second reinforcing beam 72, a sealing ring 8 and a lifting lug 9.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 and 2 respectively show an assembly schematic diagram and an exploded schematic diagram of a shelter-type battery pack according to an embodiment of the invention.
As shown in fig. 1 and 2, a shelter-type battery pack includes:
the battery box comprises a lower box body 1, wherein the lower box body 1 comprises a bottom plate 5, a first side wall 6 extending upwards is arranged at the edge of the bottom plate 5 along the circumferential direction, a plurality of reinforcing beams 7 are respectively arranged in the lower box body 1 along the length direction and the width direction of the lower box body 1, the upper surfaces of the reinforcing beams 7 are flush with the upper surface of the first side wall 6, the internal space of the lower box body 1 is divided into a plurality of first square cabins and at least one second square cabin by the plurality of reinforcing beams 7 and the side walls, the first square cabin is used for installing a battery module 4, and the second square cabin is used for installing an electrical component;
the upper box bodies 2 are covered on the first square cabin, each upper box body 2 comprises a top plate, a second side wall extending downwards is circumferentially arranged at the edge of each top plate, and the lower box body 1 and the first square cabin form a first cavity for accommodating the battery module 4;
and the sealing cover 3 is covered on the second shelter, the sealing cover 3 is of a flat plate structure, and the sealing cover 3 and the second shelter enclose a second cavity for accommodating an electric device.
Specifically, as shown in fig. 3, the reinforcing beam 7 in the present embodiment includes two first reinforcing beams 71 sequentially arranged in the length direction of the lower box 1 and two second reinforcing beams 72 arranged in parallel and at intervals in the width direction, the two first reinforcing beams 71 and the two second reinforcing beams 72 form a grid shape and are divided into four first compartments in the lower box 1, and one first reinforcing beam 71 is arranged at an interval with the side wall of one side of the lower box 1 to form one second compartment, that is, the plurality of reinforcing beams 7 divide the internal space of the lower box 1 into five independent compartment areas. Utilize the upper surface of stiffening beam 7 and the upper surface parallel and level of the first side wall 6 of box 1 down, separate into independent shelter space with the inner space of box 1 down, install box 2 and closing cap 3 respectively in respective shelter space top, can accomplish effectively keeping apart battery module 4, the hot protective effect is better to accomplish highly lower, weight is lighter down box 1. The height of the lower box body 1 can be designed according to actual requirements.
As shown in fig. 3, in the present embodiment, the bottom plate 5, the first side wall 6 and the reinforcing beam 7 are all single aluminum profile structural members, and the bottom plate 5, the first side wall 6 and the reinforcing beams 7 are connected by tailor welding. Preferably, as shown in fig. 4, the bottom plate 5 is formed by tailor welding extruded aluminum profiles, and the reinforcing beam 7 has an extruded aluminum profile structure with a T-shaped cross section, so that the weight can be further reduced. The battery module 4 is fixedly connected with the bottom plate 5 through bolts.
In other embodiments, the bottom plate 5, the first side wall 6, and the plurality of reinforcing beams 7 may also be formed by integrally extruding aluminum profiles, and the module may also be bonded to the bottom plate 5 by using structural adhesive.
In this embodiment, the upper case 2 is an aluminum profile integrated deep-drawing structure. Preferably, the upper surface of the upper case 2 is provided with a punching rib extending along the length direction of the upper case 2.
Specifically, as shown in fig. 2, the upper case 2 is of four independent separate structures, and is disposed above the battery module 4, and the top of the first side wall 6 and the top of the reinforcement beam 7 on the first compartment corresponding to the lower case 1 are connected by bolts. Go up box 2 and adopt integrative stamping structure, its upper surface has arranged the stamping rib, and lightweight and structural strength effect are more excellent. The setting position of the stamping rib can be determined through CAE simulation analysis, and the strength of the upper box body 2 can be ensured through the stamping rib.
In this embodiment, as shown in fig. 2 and 3, the top of the reinforcing beam 7 and the top of the first side wall 6 are provided with a plurality of first mounting screw holes. The bottom of the second side wall of the upper box body 2 is provided with a folded edge which is folded outwards; a plurality of second mounting screw holes corresponding to the first mounting screw holes are formed on the folded edge and the edge of the sealing cover 3; go up box 2 and closing cap 3 through first installation screw, second installation screw and bolt and box 1 fixed connection down.
In this embodiment, a seal ring 8 is disposed between the lower case 1 and the upper case 2, and a plurality of through holes corresponding to the plurality of first mounting screw holes are formed in the seal ring 8.
In this embodiment, a plurality of lifting lugs 9 are respectively arranged on two sides of the lower box body 1, and the lifting lugs 9 are separate and independent structural members and are welded to the outer side of the first side wall 6.
In other embodiments, the lifting lug 9 may also be integrally extruded with the first side wall 6.
In conclusion, the square cabin type battery pack provided by the invention has the advantages that the upper surface of the reinforcing beam 7 is flush with the upper surface of the side wall of the lower box body 1, the space of the lower box body 1 is divided into independent square cabin spaces, the deep-punching upper box body 2 and the sealing cover 3 are arranged above the respective square cabin spaces, the battery modules 4 can be effectively isolated, and the thermal protection effect is better; meanwhile, the lower box body 1 can be lower in height and lighter in weight, and the upper box body 2 is of a stamping structure, so that the light weight effect is better; the reinforcing beam 7 is flush with the height of the box body, so that the overall anti-extrusion capacity, strength and rigidity of the battery pack are better; different from the traditional battery pack upper box body 2, the traditional upper box body 2 is a single large flat plate structure box cover, the upper box body 2 is a split independent structure, and the rigidity of the upper box body 2 is better.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A shelter-type battery pack, comprising:
the lower box body comprises a bottom plate, a first side wall extending upwards is arranged at the edge of the bottom plate along the circumferential direction, a plurality of reinforcing beams are respectively arranged in the lower box body along the length direction and the width direction of the lower box body, the upper surfaces of the reinforcing beams are flush with the upper surface of the first side wall, the internal space of the lower box body is divided into a plurality of first square cabins and at least one second square cabin by the plurality of reinforcing beams and the side wall, the first square cabin is used for installing a battery module, and the second square cabin is used for installing an electrical component;
the upper box bodies are covered on the first square cabin and comprise top plates, second side walls extending downwards are circumferentially arranged at the edges of the top plates, and the lower box bodies and the first square cabin are enclosed to form a first cavity for accommodating the battery module;
and the sealing cover is arranged on the second square cabin in a covering mode, is of a flat plate structure, and encloses a second cavity for containing the electric device together with the second square cabin.
2. The shelter-type battery pack of claim 1 wherein the floor, the first side wall and the reinforcing beam are aluminum profile structural members;
the bottom plate, the first side wall and the plurality of reinforcing beams are connected in a tailor welding mode;
alternatively, the bottom plate, the first side wall and the plurality of reinforcing beams are integrally extruded.
3. The shelter type battery pack of claim 2, wherein the battery module is fixedly connected with the bottom plate through a bolt, or the battery module is bonded with the bottom plate through a structural adhesive.
4. The shelter-type battery pack of any one of claims 1-3, wherein the bottom plate is made of extruded aluminum profiles by tailor welding, and the reinforcing beam is of an extruded aluminum profile structure with a T-shaped cross section.
5. The shelter-type battery pack of claim 1, wherein the upper box is an integrally stamped aluminum profile structure.
6. The shelter-type battery pack of claim 5 wherein the upper surface of the upper box is provided with stamped ribs extending along the length of the upper box.
7. The shelter-type battery pack of claim 1, wherein a plurality of first mounting screw holes are provided at a top portion of the reinforcing beam and a top portion of the first side wall.
8. The shelter-type battery pack of claim 7, wherein the bottom of the second side wall of the upper box body is provided with a folded edge which is folded outwards;
a plurality of second mounting screw holes corresponding to the first mounting screw holes are formed in the folded edge and the edge of the cover;
the upper box body and the sealing cover are fixedly connected with the lower box body through the first mounting screw hole, the second mounting screw hole and the bolt.
9. The shelter-type battery pack of claim 6, wherein a sealing ring is disposed between the lower box and the upper box, and a plurality of through holes corresponding to the plurality of first mounting screw holes are disposed on the sealing ring.
10. The shelter-type battery pack of claim 1, wherein a plurality of lifting lugs are respectively arranged on two sides of the lower box body, and the lifting lugs are welded to the outer side of the first side wall, or the lifting lugs and the first side wall are integrally extruded and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110578510.7A CN113314790B (en) | 2021-05-26 | 2021-05-26 | Square cabin type battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110578510.7A CN113314790B (en) | 2021-05-26 | 2021-05-26 | Square cabin type battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113314790A true CN113314790A (en) | 2021-08-27 |
| CN113314790B CN113314790B (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110578510.7A Active CN113314790B (en) | 2021-05-26 | 2021-05-26 | Square cabin type battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN113314790B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07186734A (en) * | 1993-12-27 | 1995-07-25 | Honda Motor Co Ltd | Battery box structure of motor-driven vehicle |
| CN101794906A (en) * | 2010-03-19 | 2010-08-04 | 江苏双登集团有限公司 | Flexible packaging power lithium ion battery pack for electric automobile |
| WO2017207502A1 (en) * | 2016-06-03 | 2017-12-07 | Thyssenkrupp Steel Europe Ag | Battery holder and use of a battery holder |
| CN109671890A (en) * | 2019-01-11 | 2019-04-23 | 广州纵通汽车设计有限公司 | Battery box body and battery case |
| WO2019196877A1 (en) * | 2018-04-13 | 2019-10-17 | 爱驰汽车有限公司 | Battery pack and battery case thereof |
| CN111106279A (en) * | 2019-08-02 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN211320182U (en) * | 2020-02-21 | 2020-08-21 | 宁德时代新能源科技股份有限公司 | Battery box and device |
| CN112573010A (en) * | 2019-09-30 | 2021-03-30 | 上海峰飞航空科技有限公司 | Unmanned aerial vehicle battery transport case |
| WO2021071071A1 (en) * | 2019-10-08 | 2021-04-15 | 주식회사 엘지화학 | Battery pack and vehicle comprising same |
| CN215342780U (en) * | 2021-05-26 | 2021-12-28 | 荣盛盟固利新能源科技有限公司 | Square cabin type battery pack |
-
2021
- 2021-05-26 CN CN202110578510.7A patent/CN113314790B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07186734A (en) * | 1993-12-27 | 1995-07-25 | Honda Motor Co Ltd | Battery box structure of motor-driven vehicle |
| CN101794906A (en) * | 2010-03-19 | 2010-08-04 | 江苏双登集团有限公司 | Flexible packaging power lithium ion battery pack for electric automobile |
| WO2017207502A1 (en) * | 2016-06-03 | 2017-12-07 | Thyssenkrupp Steel Europe Ag | Battery holder and use of a battery holder |
| WO2019196877A1 (en) * | 2018-04-13 | 2019-10-17 | 爱驰汽车有限公司 | Battery pack and battery case thereof |
| CN109671890A (en) * | 2019-01-11 | 2019-04-23 | 广州纵通汽车设计有限公司 | Battery box body and battery case |
| CN111106279A (en) * | 2019-08-02 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN112573010A (en) * | 2019-09-30 | 2021-03-30 | 上海峰飞航空科技有限公司 | Unmanned aerial vehicle battery transport case |
| WO2021071071A1 (en) * | 2019-10-08 | 2021-04-15 | 주식회사 엘지화학 | Battery pack and vehicle comprising same |
| CN211320182U (en) * | 2020-02-21 | 2020-08-21 | 宁德时代新能源科技股份有限公司 | Battery box and device |
| CN215342780U (en) * | 2021-05-26 | 2021-12-28 | 荣盛盟固利新能源科技有限公司 | Square cabin type battery pack |
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| Publication number | Publication date |
|---|---|
| CN113314790B (en) | 2023-01-31 |
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