CN114709535A - Battery pack shell, battery pack and electric automobile - Google Patents
Battery pack shell, battery pack and electric automobile Download PDFInfo
- Publication number
- CN114709535A CN114709535A CN202210408873.0A CN202210408873A CN114709535A CN 114709535 A CN114709535 A CN 114709535A CN 202210408873 A CN202210408873 A CN 202210408873A CN 114709535 A CN114709535 A CN 114709535A
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- shell
- battery pack
- upper cover
- battery
- energy
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- 238000001125 extrusion Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 5
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
- H01M50/242—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 against vibrations, collision impact or swelling
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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)
Abstract
The invention discloses a battery pack shell, which comprises: the battery comprises a first shell, a second shell, an upper cover, a tab support and a first separator; the outer surface of the second shell is provided with a puncture-proof structure and an extrusion-proof structure; a sealing ring is arranged between the upper cover and the first shell; according to the invention, the second shell used for placing the battery cell module is arranged in the first shell, and the anti-puncture structure and the anti-extrusion structure are arranged on the second shell, so that the structural strength of the shell of the battery pack is improved, the faults of short circuit, fire and the like caused by extrusion or puncture of the battery pack in collision or other special environments are prevented, and the battery pack is safer to use; the first shell and the inner part of the upper cover can form a sealed space through the sealing ring, so that the short circuit caused by water permeating into the battery pack shell is avoided when the battery pack is used, and the use safety is ensured; through utmost point ear support, connect the positive negative pole of a plurality of electric core modules in the battery package, realize the effect of electric core module series-parallel connection in the battery package.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a battery pack shell, a battery pack and an electric automobile.
Background
With the popularization and development of electric vehicles and the wide-range use of electric vehicles, the problems encountered during the driving process of electric vehicles are increased gradually, the battery system is one of important components on new energy vehicles, and the quality of the battery system directly affects the use effect of the electric vehicles.
A battery pack in which a plurality of battery cells are connected in series or parallel to form a battery pack and the battery pack is housed in a case is used in an electric vehicle or the like. A lot of battery package inside does not have bearing structure on the existing market, and when battery case received external force and strikeed, the impact force just transmitted electric core very fast, and electric core direct atress leads to inside electric core to warp or the short circuit very easily like this to influence the normal life of battery package or lead to inside battery to damage, serious incident such as even appearing catching fire, explosion.
In the vehicle that is equipped with the battery package, if the outside of battery package does not have effectual protection energy-absorbing structure, when the vehicle received the striking, the battery package can receive the extrusion and lead to the inside spare part of battery package to receive the extrusion force to pierce through battery module to the danger of vehicle easy emergence burning.
The prior technical scheme is that a lithium iron phosphate battery core of a starting battery is wrapped by a plastic shell, the extrusion and collision prevention performances of the conventional 12V lithium iron phosphate starting battery pack are mainly realized by depending on the structure of the plastic shell, but the lithium iron phosphate battery pack is found in the using process,
1. the plastic shell has low strength and poor anti-collision and anti-extrusion performance; the existing lithium iron phosphate starting battery basically takes a plastic shell as a main body structure, and the protection effect of the structure on a battery cell under the conditions of high-speed collision and extrusion is not fully considered;
2. the plastic shell has a complex structure, is difficult to form and has high cost; in order to meet the basic strength requirement of the existing plastic shell, the structural design of the shell is complex, the forming difficulty is high, and the cost is increased;
3. the assembly is complex, which is not beneficial to the modular design; the traditional lithium iron phosphate battery core meets the requirements of battery packs with different requirements through series-parallel connection assembly among a plurality of battery cores. After the plastic shell is formed, the battery core is difficult to assemble, if the size of the battery pack is slightly changed, the shell structure needs to be redesigned, and the modular design is not facilitated.
Based on the situation, the invention provides a battery pack shell, a battery pack and an electric automobile, which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a battery pack shell, a battery pack and an electric automobile, which are high in structural strength and modular in design and have anti-extrusion and anti-puncture functions.
The invention is realized by the following technical scheme:
a battery pack housing comprising:
the first shell is internally provided with a first groove body;
the second shell is embedded in the first groove body, and the outer surface of the second shell is provided with a puncture-preventing structure and an extrusion-preventing structure; a second groove body is formed in the second shell;
the upper cover is connected to the first shell, and a sealing ring is arranged between the upper cover and the first shell;
the lug support is clamped on the second shell;
and the first separator is arranged between the tab support and the upper cover.
Preferably, the second shell and the first separator are made of steel, and the first shell, the upper cover and the tab support are made of plastic; the first shell and the second shell are both uncovered boxes with rectangular bottom surfaces.
Preferably, a plurality of puncture-preventing structures are arranged on four outer side surfaces of the second shell, and each puncture-preventing structure is a first reinforcing rib.
Preferably, a second partition board which equally divides the second groove body into a plurality of accommodating cavities is arranged in the second groove body of the second shell.
Preferably, the second shell is provided with anti-extrusion structures on two outer side surfaces parallel to the second partition plate, and the anti-extrusion structures are energy-absorbing ribs welded on the second shell.
Preferably, every the energy-absorbing muscle is by a steel sheet equidistance a plurality of energy-absorbing archs of extruding, and every bellied width of energy-absorbing be a, adjacent two distance between the energy-absorbing arch is b, and a > b.
Preferably, a second reinforcing rib is arranged on the convex surface of each energy-absorbing bulge.
Preferably, a reinforcing structure is arranged in the upper cover; the upper cover is also provided with a positive electrode interface, a negative electrode interface, an exhaust hole and a communication interface; the vent hole is horizontally arranged on the upper cover, and the vent hole is positioned at the highest point of the upper cover.
The utility model provides a battery pack, includes electric core module and foretell battery pack shell, electric core module embedding holds in the chamber.
An electric automobile comprises the battery pack.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the battery pack shell, the battery pack and the electric automobile, the second shell for placing the battery core module is further arranged in the first shell, and the anti-puncture structure and the anti-extrusion structure are arranged on the second shell, so that the structural strength of the battery pack shell is improved, the faults such as short circuit, fire and the like caused by extrusion or puncture of the battery pack in collision or other special environments are prevented, and the safety of the battery pack in use is ensured; the first shell and the inner part of the upper cover can form a sealed space through the sealing ring, so that the short circuit caused by water permeating into the battery pack shell is avoided when the battery pack is used, and the use safety is ensured; connecting the positive and negative electrodes of a plurality of battery cell modules in the battery pack through the tab support, so as to realize the effect of series-parallel connection of the battery cell modules in the battery pack; through first baffle, play and keep apart a plurality of parallelly connected electric core module effects, avoid the interact between a plurality of electric cores.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
FIG. 3 is a schematic structural diagram of a second housing according to the present invention;
FIG. 4 is a schematic structural view of the reinforcing bar of the present invention;
fig. 5 is a schematic structural diagram of a second casing and a battery cell module according to the present invention;
fig. 6 is a schematic diagram of an explosion structure of the second casing and the battery cell module according to the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 4, a battery pack case includes:
the device comprises a first shell 1, wherein a first groove body is arranged in the first shell 1;
the second shell 2 is embedded in the first groove body, and the outer surface of the second shell 2 is provided with a puncture-proof structure and an extrusion-proof structure; a second groove body is formed in the second shell 2;
the upper cover 3 is connected to the first shell 1, and a sealing ring 31 is arranged between the upper cover 3 and the first shell 1;
the lug support 4 is clamped on the second shell 2;
and the first separator 5 is arranged between the tab support 4 and the upper cover 3.
According to the invention, the second shell 2 for placing the battery cell module is arranged in the first shell 1, and the second shell 2 is provided with the puncture-preventing structure and the extrusion-preventing structure, so that the structural strength of the battery pack shell is improved, the faults of short circuit, fire and the like caused by extrusion or puncture of the battery pack in collision or other special environments are prevented, and the battery pack is safer to use; through the sealing ring 31, a sealing space can be formed inside the first shell 1 and the upper cover 3, so that a short circuit caused by water permeating into a battery pack shell is avoided when the battery pack is used, and the use safety is ensured; the positive and negative electrodes of a plurality of battery cell modules in the battery pack are connected through the tab support 4, so that the series-parallel connection of the battery cell modules in the battery pack is realized; through first baffle 5 plays a plurality of parallelly connected electric core module effects of keeping apart, avoids influencing each other between a plurality of electric cores.
Through will 4 joints of utmost point ear support are in on the second casing 2, can also play better fixed action to the electric core module in the second casing 2, stability when guaranteeing to use.
Further, in another embodiment, the second shell 2 and the first partition plate 5 are made of steel, the steel has a high structural strength and a high anti-extrusion strength, and aluminum alloy can be used, but the anti-extrusion strength is low; the first shell 1, the upper cover 3 and the tab support 4 are made of plastics, the plastics are PP, PE, SMC or ABS, and the impact resistance is better when PP is selected according to the specific analysis of the strength requirement of the whole vehicle; the first shell 1 and the second shell 2 are both uncovered boxes with rectangular bottom surfaces.
The battery cell module can be better protected through the second shell 2 and the first partition plate 5; through first casing 1 and upper cover 3, ensure that the battery package shell has better sealing performance.
Because second casing 2 can provide sufficient protective capacities for electric core module, so to first casing 1 need not special design, can guarantee that the battery package shell has sufficient sealing performance can.
Further, in another embodiment, a plurality of the anti-puncturing structures are disposed on four outer side surfaces of the second housing 2, and the anti-puncturing structures are first reinforcing ribs 21.
Adopt first strengthening rib 21 is right the weak position of 2 lateral walls of second casing thickens, strengthens holistic structural strength, prevents under collision or other special environment or puncture and the short circuit that arouses trouble such as fire, and is safer when guaranteeing the battery package and using.
Further, in another embodiment, a second partition 23 is disposed in the second slot of the second housing 2, and the second slot is equally divided into a plurality of accommodating cavities 22.
Through the second partition plate 23, and the material of the second partition plate 23 is steel or aluminum alloy, each battery cell module is placed in an independent accommodating cavity, and each battery cell module has an electromagnetic isolation effect, so that the battery cell modules are not influenced with each other; adopt steel or aluminum alloy second baffle 23 can go out the heat-conduction that the electricity core module produced when being used relatively fast, prevents that the heat from piling up and leading to the performance degradation of electricity core module, and then guarantees that the battery package has better performance.
Further, in another embodiment, two outer side surfaces of the second shell 2 parallel to the second partition 23 are provided with anti-extrusion structures, and the anti-extrusion structures are energy absorbing ribs 24 welded on the second shell 2.
Through the better impact absorption that will receive under striking or other special environment of energy-absorbing muscle 24, avoid causing the extrusion and the trouble such as short circuit that arouses to electric core module, guarantee that the battery package is safer when using.
The energy absorption rib 24 is fixed to the second shell 2 in a welding mode, so that the energy absorption rib 24 and the second shell 2 are approximately integrated, the received impact can be absorbed better, and the better impact resistance effect is ensured.
Two outer side surfaces of the second shell 2, which are parallel to the second partition 23, are provided with energy-absorbing ribs 24, and the two side surfaces have a weak impact resistance effect, so the two side surfaces are only provided with the energy-absorbing ribs.
Further, in another embodiment, each energy absorbing rib 24 is formed by extruding a plurality of energy absorbing protrusions 241 from a steel plate at equal intervals, the width of each energy absorbing protrusion 241 is a, and the distance between two adjacent energy absorbing protrusions 241 is b, a > b.
The larger a is, the smaller the contact area between the energy absorption rib 24 and the second shell 2 is, the smaller the force transmitted by the energy absorption rib 24 to the second shell 2 is, and the smaller the impact on the battery cell module is; however, in order to ensure that the energy absorption rib 24 has a sufficient energy absorption effect, a sufficient contact area between the energy absorption rib 24 and the second shell 2 is required; in summary, the optimal size of a is 2b to 3 b.
Further, in another embodiment, a second reinforcing rib 242 is disposed on the convex surface of each energy absorbing protrusion 241.
The structural strength of the energy absorbing rib 24 is enhanced by the second reinforcing ribs 242, so that the energy absorbing rib 24 has a better energy absorbing effect; and through the second strengthening rib 242, strengthening rib 24 also has better puncture-proof effect, can protect the electric core module better.
Further, in another embodiment, a reinforcing structure is provided in the upper cover 3.
Through the additional strengthening, strengthen the structural strength of upper cover 3 promotes the anti extrusion and the anti puncture ability of upper cover 3 and battery package shell.
The upper cover 3 is also provided with a positive electrode interface 32, a negative electrode interface 33, an exhaust hole 34 and a communication interface; the vent hole 34 is horizontally arranged on the upper cover 3, and the vent hole 34 is located at the highest point of the upper cover 3.
The battery pack is used for a long time, and a small amount of gas in the battery pack needs to be discharged through the vent holes 34; and the communication interface is used for the communication interactive connection between the BMS in the battery pack and the whole vehicle.
Example 2:
as shown in fig. 1 to 6, a battery pack includes a battery cell module 6 and the battery pack case described in embodiment 1, where the battery cell module 6 is embedded in a receiving cavity 22.
The battery cell is integrated into the unified battery cell module 6, the battery cell module is installed in a modularized mode, and the adaptability is high.
Example 3:
as shown in fig. 1 to 6, an electric vehicle includes the battery pack according to embodiment 2.
According to the description of the invention and the attached drawings, a person skilled in the art can easily manufacture or use the battery pack case, the battery pack and the electric vehicle of the invention, and can produce the positive effects described in the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. A battery pack housing, comprising: the method comprises the following steps:
the device comprises a first shell (1), wherein a first groove body is arranged in the first shell (1);
the second shell (2) is embedded in the first groove body, and the outer surface of the second shell (2) is provided with a puncture-proof structure and an extrusion-proof structure; a second groove body is formed in the second shell (2);
the upper cover (3) is connected to the first shell (1), and a sealing ring (31) is arranged between the upper cover (3) and the first shell (1);
the lug support (4), the said lug support (4) is clamped on the said second body (2);
the first separator (5), the first separator (5) sets up between utmost point ear support (4) and upper cover (3).
2. The battery pack housing of claim 1, wherein: the second shell (2) and the first partition plate (5) are made of steel or aluminum alloy, and the first shell (1), the upper cover (3) and the lug support (4) are made of plastic; the first shell (1) and the second shell (2) are both uncovered boxes with rectangular bottom surfaces.
3. The battery pack housing of claim 2, wherein: the four outer side surfaces of the second shell (2) are provided with a plurality of puncture-preventing structures, and each puncture-preventing structure is a first reinforcing rib (21).
4. The battery pack housing of claim 2, wherein: and a second clapboard (23) which divides the second groove body into a plurality of accommodating cavities (22) is arranged in the second groove body of the second shell (2).
5. The battery pack housing of claim 4, wherein: and two outer side surfaces, parallel to the second partition plate (23), of the second shell (2) are respectively provided with an anti-extrusion structure, and the anti-extrusion structures are energy absorption ribs (24) welded on the second shell (2).
6. The battery pack housing of claim 5, wherein: every energy-absorbing muscle (24) are extruded a plurality of energy-absorbing protrudingly (241) by a steel sheet equidistance, and the width that every energy-absorbing is protruding (241) is a, adjacent two distance between the energy-absorbing is protruding (241) is b, and a > b.
7. The battery pack housing of claim 6, wherein: and a second reinforcing rib (242) is arranged on the convex surface of each energy-absorbing bulge (241).
8. The battery pack housing of claim 2, wherein: a reinforcing structure is arranged in the upper cover (3); the upper cover (3) is also provided with a positive electrode interface (32), a negative electrode interface (33), an exhaust hole (34) and a communication interface; the vent hole (34) is horizontally arranged on the upper cover (3), and the vent hole (34) is positioned at the highest point of the upper cover (3).
9. A battery pack, comprising: the battery pack shell comprises a battery cell module (6) and the battery pack shell as claimed in any one of claims 1 to 8, wherein the battery cell module (6) is embedded in the accommodating cavity (22).
10. An electric vehicle, characterized in that: comprising the battery pack of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210408873.0A CN114709535B (en) | 2022-04-19 | 2022-04-19 | Battery pack shell, battery pack and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210408873.0A CN114709535B (en) | 2022-04-19 | 2022-04-19 | Battery pack shell, battery pack and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN114709535A true CN114709535A (en) | 2022-07-05 |
| CN114709535B CN114709535B (en) | 2024-02-02 |
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| CN202210408873.0A Active CN114709535B (en) | 2022-04-19 | 2022-04-19 | Battery pack shell, battery pack and electric automobile |
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| CN114709535B (en) | 2024-02-02 |
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