CN111211262A - Battery box and box body thereof - Google Patents
Battery box and box body thereof Download PDFInfo
- Publication number
- CN111211262A CN111211262A CN201811394228.8A CN201811394228A CN111211262A CN 111211262 A CN111211262 A CN 111211262A CN 201811394228 A CN201811394228 A CN 201811394228A CN 111211262 A CN111211262 A CN 111211262A
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- plate
- box
- upper plate
- bottom plate
- lower plate
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- 238000003466 welding Methods 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000004512 die casting Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 59
- 238000001816 cooling Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 abstract description 5
- 230000004584 weight gain Effects 0.000 abstract 1
- 235000019786 weight gain Nutrition 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 description 10
- 238000004321 preservation Methods 0.000 description 6
- 230000004927 fusion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery box and a box body thereof, and relates to the technical field of vehicle batteries. The battery box comprises a box body and a battery module, wherein the box body comprises a bottom plate and a side plate which is arranged at the edge of the bottom plate in a surrounding mode, the bottom plate comprises an upper plate and a lower plate which are fixedly connected through friction stir welding, a plurality of reinforcing ribs are formed on at least one of the opposite surfaces of the upper plate and the lower plate in a die-casting mode, and the upper plate and the lower plate are buckled relatively to enclose a flow channel from a space between two adjacent reinforcing ribs. Thereby let in corresponding coolant liquid cooling to the battery module in the box in the runner in the bottom plate, be equivalent to the box bottom plate and the liquid cooling board of original battery box or harmonica pipe integrated structure as an organic whole, reduced the quantity of spare part, the structure is compacter to can not lead to the volume and the weight gain of battery box, guarantee the energy density of battery box, adopt friction stir welding to ensure the integrality of inside runner, improve the box to the cooling effect of battery module.
Description
Technical Field
The invention relates to the technical field of vehicle batteries, in particular to a battery box and a box body thereof.
Background
At present, the battery box is used as an electric energy storage unit on a vehicle, the characteristics of a battery module in the battery box are more active, heat can be generated when the battery box is used, and if a corresponding cooling system is lacked, the high temperature of the battery box can be caused, so that the safety of the whole vehicle is endangered. Adopt the liquid cooling system to cool off battery module usually to improve the security and the performance of battery box, the most common liquid cooling system sets up liquid cold drawing or mouth organ pipe cooling between bottom half and battery module bottom, perhaps sets up cooling structure in other positions such as the side of battery module.
However, the liquid cooling plate or the harmonica tube is provided between the case body of the battery case and the battery module, which inevitably increases the volume and weight of the entire battery case, resulting in a decrease in energy density of the battery case, and also increases the number of parts.
Disclosure of Invention
The invention aims to provide a box body of a battery box, which aims to solve the problems that the volume and the weight of the battery box are increased due to the arrangement of a liquid cooling plate or a harmonica tube between the box body of the battery box and a battery module, the energy density of the battery box is reduced, and the number of parts is large. Meanwhile, the invention also aims to provide the battery box to solve the problems that the volume and the weight of the battery box are increased due to the arrangement of the liquid cooling plate or the harmonica tube between the box body of the battery box and the battery module, so that the energy density of the battery box is reduced, and the number of parts is large.
In order to achieve the purpose, the technical scheme of the box body of the battery box is as follows:
the battery box body comprises a bottom plate and side plates arranged at the edge of the bottom plate in a surrounding mode, the bottom plate comprises an upper plate and a lower plate which are fixedly connected through friction stir welding, a plurality of reinforcing ribs are formed on at least one of opposite surfaces of the upper plate and the lower plate in a die-casting mode, and the upper plate and the lower plate are buckled relatively to enclose a space between two adjacent reinforcing ribs into a flow channel.
Has the advantages that: the box of battery box includes bottom plate and curb plate, the bottom plate includes upper plate and lower plate, on, lower plate relatively the lock joint and enclose into the runner with the space between two adjacent strengthening ribs, thereby adopt friction stir welding's mode with fixed connection between upper plate and the lower plate, thereby let in corresponding coolant liquid and carry out the liquid cooling to the battery module in the box in the runner in the bottom plate, be equivalent to the box bottom plate and the liquid cooling board of original battery box or harmonica pipe integrated structure as an organic whole, the quantity of spare part has been reduced, the structure is compacter, and can not lead to the volume and the weight increase of battery box, the energy density of battery box has been guaranteed. In addition, a plurality of reinforcing ribs are formed on at least one of the opposite plate surfaces of the upper plate and the lower plate in a die-casting manner, so that the structural strength of the bottom plate is improved on the one hand, and the battery module in the box is stably supported; on the other hand has still realized the construction of interior runner in the bottom plate, ensures the integrality of interior runner, avoids taking place the condition that the runner is flowed in series, has improved the cooling effect of box to battery module.
Furthermore, in order to simplify the structure and facilitate processing and manufacturing, the reinforcing ribs are positioned on the upper plate surface of the lower plate, and the upper plate is of a flat plate structure.
Furthermore, on the premise of ensuring that the thickness of the bottom plate is thinner, the liquid inlet and the liquid outlet are fixedly connected to the corresponding edge positions of the bottom plate, the upper plate surface of the lower plate is also provided with plugs which are arranged at the inlet and the outlet of the flow channel in a blocking manner, the plugs are provided with circulation holes communicated with the flow channel, and the orifice of each circulation hole is higher than the inlet and the outlet of the flow channel.
Furthermore, in order to increase the heat preservation effect of the box body, a heat preservation coating is coated on the lower plate surface of the lower plate.
Furthermore, in order to facilitate the positioning and installation of the battery module in the box body, a module supporting beam is welded on the upper plate.
In order to achieve the purpose, the technical scheme of the battery box is as follows:
the battery box includes the box and sets up the battery module in the box, the box includes the bottom plate and encloses the curb plate of establishing in bottom plate border department, the bottom plate includes the upper plate and the lower floor's board that adopt friction stir welding fixed connection, and the die-casting shaping has a plurality of strengthening ribs on at least one in the relative face of upper plate and lower floor, and the relative lock of upper plate and lower floor encloses into the runner with the space between two adjacent strengthening ribs.
Has the advantages that: the box of battery box includes bottom plate and curb plate, the bottom plate includes upper plate and lower plate, on, lower plate relatively the lock joint and enclose into the runner with the space between two adjacent strengthening ribs, thereby adopt friction stir welding's mode with fixed connection between upper plate and the lower plate, thereby let in corresponding coolant liquid and carry out the liquid cooling to the battery module in the box in the runner in the bottom plate, be equivalent to the box bottom plate and the liquid cooling board of original battery box or harmonica pipe integrated structure as an organic whole, the quantity of spare part has been reduced, the structure is compacter, and can not lead to the volume and the weight increase of battery box, the energy density of battery box has been guaranteed. In addition, a plurality of reinforcing ribs are formed on at least one of the opposite plate surfaces of the upper plate and the lower plate in a die-casting manner, so that the structural strength of the bottom plate is improved on the one hand, and the battery module in the box is stably supported; on the other hand has still realized the construction of interior runner in the bottom plate, ensures the integrality of interior runner, avoids taking place the condition that the runner is flowed in series, has improved the cooling effect of box to battery module.
Furthermore, in order to simplify the structure and facilitate processing and manufacturing, the reinforcing ribs are positioned on the upper plate surface of the lower plate, and the upper plate is of a flat plate structure.
Furthermore, on the premise of ensuring that the thickness of the bottom plate is thinner, the liquid inlet and the liquid outlet are fixedly connected to the corresponding edge positions of the bottom plate, the upper plate surface of the lower plate is also provided with plugs which are arranged at the inlet and the outlet of the flow channel in a blocking manner, the plugs are provided with circulation holes communicated with the flow channel, and the orifice of each circulation hole is higher than the inlet and the outlet of the flow channel.
Furthermore, in order to increase the heat preservation effect of the box body, a heat preservation coating is coated on the lower plate surface of the lower plate.
Furthermore, in order to facilitate the positioning and installation of the battery module in the box body, a module supporting beam is welded on the upper plate.
Drawings
Fig. 1 is a schematic axial view of a battery case (without a top plate) in a battery case according to embodiment 1 of the present invention;
FIG. 2 is an axial view of the housing (without the top plate) of the battery box of FIG. 1, taken away from the perspective of FIG. 1;
fig. 3 is a schematic exploded perspective view of a bottom plate portion in a battery case of embodiment 1 of the battery case of the present invention;
fig. 4 is a perspective view of the lower plate of fig. 3.
In the figure: 1-front side plate, 11-liquid inlet, 12-liquid outlet, 2-rear side plate, 3-left side plate, 4-right side plate, 5-bottom plate, 50-lower plate, 500-bottom plate flow channel, 501-reinforcing rib, 502-mounting hole, 51-upper plate, 52-front module supporting beam, 53-liquid inlet plug, 54-liquid outlet plug and 55-rear module supporting beam.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 3, the bottom plate 5 includes an upper plate 51 and a lower plate 50, wherein the upper plate 51 is a flat plate structure, as shown in fig. 4, a plurality of reinforcing ribs 501 arranged at intervals are integrally formed on an upper plate surface of the lower plate 50 through die-casting, and the arrangement of the reinforcing ribs 501 improves the structural strength of the bottom plate 5, and can play a role in stably supporting the battery module. In other embodiments, the position of the ribs can be adjusted between the upper plate 51 and the lower plate 50, that is, the ribs are integrally die-cast on the lower plate surface of the upper plate, and accordingly, the lower plate 50 is of a flat plate structure. The thickness of strengthening rib 501 is the same, and interval arrangement between two adjacent strengthening ribs 501 ensures that when the upper plate 51 is buckled and is established at the last face of lower plate 50, the interval intercommunication between upper and lower floor's board and two adjacent strengthening ribs 501 forms the bottom plate runner 500 that supplies the coolant liquid to flow towards specific direction, and strengthening rib 501 includes a plurality of vertical strengthening ribs that extend along the fore-and-aft direction of box, and vertical strengthening rib symmetrical arrangement is in the left and right sides position of lower plate 50.
The front side edge of the lower layer plate 50 is provided with a liquid inlet plug 53 and a liquid outlet plug 54 at positions corresponding to the longitudinal reinforcing ribs on the left side and the right side respectively, the bottom surfaces of the two plugs are flush with the corresponding positions of the upper plate surface of the lower layer plate 50 respectively, the two plugs are fixed on the lower layer plate 50 by friction stir welding, plug flow channels communicated with the bottom plate flow channel 500 are formed in the liquid inlet plug 53 and the liquid outlet plug 54 respectively, and the plug flow channels form flow holes communicated with the bottom plate flow channel 500. The liquid inlet plug 53 is located at the left side of the front side edge of the lower plate 50, the liquid outlet plug 54 is located at the right side of the front side edge of the lower plate 50, and the liquid inlet plug 53 and the liquid outlet plug 54 are both block-shaped and protrude upwards out of the upper plate surface of the lower plate 50. Plug flow channels in the liquid inlet plug 53 and the liquid outlet plug 54 are respectively communicated with bottom plate flow channels 500 positioned on the left side and the right side of the bottom plate 5, flow channel openings of the plug flow channels are formed in the front side faces of the liquid inlet plug 53 and the liquid outlet plug 54, the flow channel openings of the liquid inlet plug 53 and the liquid outlet plug 54 are respectively opposite to the positions of a liquid inlet 11 and a liquid outlet 12 on the front side plate 1, the front side faces of the liquid inlet plug 53 and the liquid outlet plug 54 are connected to the rear plate face of the front side plate 1 in a sealing and attaching mode, and the liquid inlet 11 and the liquid outlet 12 are respectively communicated with the bottom plate flow channels 500 through the switching of the liquid. In this embodiment, the bottom plate 5 of box is equivalent to and is integrated into an organic whole structure with original box bottom plate and liquid cooling board or harmonica pipe, has reduced the quantity of spare part, and the structure is compacter to can not lead to the volume and the weight increase of battery box, guarantee the energy density of battery box.
The lower plate 50 has left and right edges respectively overhanging outward with a turned edge extending in the front-rear direction of the case, the turned edge is provided with mounting holes 502 at intervals in the front-rear direction of the case, and the entire battery case is fixed to the vehicle body by tightening bolts in the mounting holes 502. The protruding back module supporting beam 55 that extends along the box left and right direction that is equipped with in the rear edge position of lower plate 50, back module supporting beam 55 upwards protrudes in the face of upper plate 51, and also protruding preceding module supporting beam 52 that extends along the box left and right direction that is equipped with in the front edge of upper plate 51, preceding module supporting beam 52 is parallel to each other with back module supporting beam 55, so that fix a position the battery module on the bottom plate 5 of box, still the coating has the heat preservation coating on the lower face of lower plate 50, the heat preservation effect of bottom plate 5 has been improved.
During processing, the upper plate 51 is positioned and pressed on the upper plate surface of the lower plate 50, the upper plate 51 and the lower plate 50 are hermetically connected by using a friction stir welding machine, a stirring head of the friction stir welding machine is ensured to weld along a path of the peripheral edge position of the upper plate 51, the upper plate 51 is pressed and heated in a friction mode through the stirring head, and the upper plate 51 and the lower plate 50 are connected in a welding mode. The welding surface processed by friction stir welding is larger, the sealing connection effect between the reinforcing ribs 501 of the upper plate 51 and the lower plate 50 is improved, the existence of gaps caused by welding leakage or welding failure is avoided, the integrity of the bottom plate flow channel 500 is ensured, the situation that the cooling liquid is in series flow in the bottom plate flow channel 500 is prevented, namely, the cooling liquid enters from the liquid inlet 11 to the liquid outlet 12 and flows out only along a specific direction in the bottom plate flow channel 500, and the cooling heat dissipation performance of the whole box body is improved. The front side plate 1 is connected with the liquid inlet plug 53 and the liquid outlet plug 54 and the upper plate 51 is connected with the front module support beam 52 by welding.
The difference between the specific embodiment 2 of the battery box of the invention and the specific embodiment 1 is that reinforcing ribs are respectively formed on the lower plate surface of the upper plate and the upper plate surface of the lower plate in a die-casting mode, the reinforcing ribs on the upper plate and the reinforcing ribs on the lower plate are identical in shape and opposite in position, the upper plate and the lower plate are welded and connected by friction stir welding, and a stirring head of the friction stir welding machine is ensured to weld along a path of the peripheral edge position of the upper plate. Compared with the case that one of the upper plate and the lower plate is of a flat plate structure and the other is provided with the reinforcing ribs in a die-casting mode, the processing process is more complex in the embodiment, and the requirement on the positioning accuracy of the upper plate and the lower plate is higher during friction stir welding.
The difference between the embodiment 3 of the battery box of the present invention and the embodiment 1 is that a liquid inlet plug and a liquid outlet plug may be directly protruded at the front side edge of the lower plate, the liquid inlet plug and the liquid outlet plug are respectively opposite to the bottom plate flow channels at the left and right sides of the bottom plate, and the plug flow channels of the liquid inlet plug and the liquid outlet plug are respectively communicated with the bottom plate flow channels at the left and right sides of the bottom plate.
The difference between the embodiment 4 of the battery box and the embodiment 1 is that the front module supporting beams can be welded and fixed at the rear side of the lower plate positioned at the liquid inlet and outlet plugs, the front module supporting beams protrude out of the upper plate and extend along the left and right directions of the box body, the upper plate is positioned and installed at the position, between the front module supporting beams and the rear module supporting beams, of the upper plate, the upper plate and the lower plate are welded and connected through friction stir welding, and gaps between the lower plate and the front module supporting beams and between the lower plate and the rear module supporting beams are sealed through fusion welding or spot welding. In other embodiments, the front and rear module supporting beams can be detachably fixed to the front and rear edges of the upper plate, and the two module supporting beams are located on the plate surface of the upper plate except the corresponding bottom plate flow channel.
The battery box of embodiment 5 of the present invention is different from embodiment 1 in that the front side plate, the rear side plate, the left side plate, and the right side plate are manufactured by die-casting, and in other embodiments, the side plates may be manufactured by stamping, cutting, or tailor welding.
Embodiment 6 of the battery case of the present invention is different from embodiment 1 in that the bottom plate shape of the case body of the battery case may be a triangle, and correspondingly, the case body of the battery case has a triangular prism shape corresponding to the bottom plate shape. In other embodiments, the bottom plate of the battery box body may be polygonal except for rectangular and triangular, and correspondingly, the battery box body is polygonal corresponding to the bottom plate, or the bottom plate of the battery box body is circular and correspondingly, the battery box body is cylindrical.
The specific embodiments of the case body of the battery case of the present invention are the same as the respective specific embodiments of the case body in the specific embodiments of the battery case of the present invention, and are not described herein again.
Claims (10)
1. The box of battery box includes the bottom plate and encloses the curb plate of establishing in bottom plate border department, its characterized in that: the bottom plate comprises an upper plate and a lower plate which are fixedly connected by friction stir welding, at least one of the opposite surfaces of the upper plate and the lower plate is provided with a plurality of reinforcing ribs in a die-casting manner, and the upper plate and the lower plate are oppositely buckled to enclose a space between two adjacent reinforcing ribs into a flow channel.
2. The battery box body of claim 1, wherein: the reinforcing ribs are positioned on the upper plate surface of the lower plate, and the upper plate is of a flat plate structure.
3. The battery box body of claim 1, wherein: the upper plate surface of the lower plate is also provided with plugs for blocking the inlet and the outlet of the flow channel, the plugs are provided with circulation holes communicated with the flow channel, and the orifice of each circulation hole is higher than the inlet and the outlet of the flow channel.
4. The battery box body of claim 1, 2 or 3, wherein: and the lower plate surface of the lower plate is coated with a heat-insulating coating.
5. The battery box body of claim 1, 2 or 3, wherein: a module supporting beam is welded on the upper plate.
6. The battery box includes box and the battery module of setting in the box, the box includes the bottom plate and encloses the curb plate of establishing in bottom plate border department, its characterized in that: the bottom plate comprises an upper plate and a lower plate which are fixedly connected by friction stir welding, at least one of the opposite surfaces of the upper plate and the lower plate is provided with a plurality of reinforcing ribs in a die-casting manner, and the upper plate and the lower plate are oppositely buckled to enclose a space between two adjacent reinforcing ribs into a flow channel.
7. The battery box according to claim 6, characterized in that: the reinforcing ribs are positioned on the upper plate surface of the lower plate, and the upper plate is of a flat plate structure.
8. The battery box according to claim 6, characterized in that: the upper plate surface of the lower plate is also provided with plugs for blocking the inlet and the outlet of the flow channel, the plugs are provided with circulation holes communicated with the flow channel, and the orifice of each circulation hole is higher than the inlet and the outlet of the flow channel.
9. The battery box according to claim 6, 7 or 8, characterized in that: and the lower plate surface of the lower plate is coated with a heat-insulating coating.
10. The battery box according to claim 6, 7 or 8, characterized in that: a module supporting beam is welded on the upper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394228.8A CN111211262A (en) | 2018-11-21 | 2018-11-21 | Battery box and box body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394228.8A CN111211262A (en) | 2018-11-21 | 2018-11-21 | Battery box and box body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111211262A true CN111211262A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811394228.8A Pending CN111211262A (en) | 2018-11-21 | 2018-11-21 | Battery box and box body thereof |
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| CN (1) | CN111211262A (en) |
Cited By (4)
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| CN111640895A (en) * | 2020-06-09 | 2020-09-08 | 博戈橡胶塑料（株洲）有限公司 | New energy automobile battery box |
| CN113471606A (en) * | 2021-07-01 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Battery box body, battery pack and assembly method of battery box body |
| CN114335798A (en) * | 2021-12-23 | 2022-04-12 | 江苏汇智高端工程机械创新中心有限公司 | Battery box |
| WO2023207209A1 (en) * | 2022-12-23 | 2023-11-02 | 湖北亿纬动力有限公司 | Battery module and electronic device |
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| CN111640895A (en) * | 2020-06-09 | 2020-09-08 | 博戈橡胶塑料（株洲）有限公司 | New energy automobile battery box |
| CN113471606A (en) * | 2021-07-01 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Battery box body, battery pack and assembly method of battery box body |
| CN114335798A (en) * | 2021-12-23 | 2022-04-12 | 江苏汇智高端工程机械创新中心有限公司 | Battery box |
| WO2023207209A1 (en) * | 2022-12-23 | 2023-11-02 | 湖北亿纬动力有限公司 | Battery module and electronic device |
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Application publication date: 20200529 |