CN110549875A - Battery box and vehicle - Google Patents

Battery box and vehicle Download PDF

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Publication number
CN110549875A
CN110549875A CN201910858850.8A CN201910858850A CN110549875A CN 110549875 A CN110549875 A CN 110549875A CN 201910858850 A CN201910858850 A CN 201910858850A CN 110549875 A CN110549875 A CN 110549875A
Authority
CN
China
Prior art keywords
plate
battery box
box body
battery
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.)
Pending
Application number
CN201910858850.8A
Other languages
Chinese (zh)
Inventor
张婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WM Smart Mobility Shanghai Co Ltd
Original Assignee
WM Smart Mobility Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WM Smart Mobility Shanghai Co Ltd filed Critical WM Smart Mobility Shanghai Co Ltd
Priority to CN201910858850.8A priority Critical patent/CN110549875A/en
Publication of CN110549875A publication Critical patent/CN110549875A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • 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
    • 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

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

Abstract

The invention discloses a battery box and a vehicle. The battery box includes: a box body; the inner plate comprises a front plate, a middle plate and a rear plate which are sequentially connected along the length direction, the length of the middle plate is adjustable along the length direction of the inner plate, the front plate, the middle plate and the rear plate are all arranged on the inner bottom wall of the box body, the inner plate comprises a supporting surface back to the inner bottom wall, and an inner groove is formed in the supporting surface; and the outer beam is arranged on the outer side wall surface of the box body. The vehicle includes a lower floor and a battery box, the box being mounted on the lower floor. According to the battery box and the vehicle, the arrangement density of the battery modules in the battery box is improved, the endurance mileage of the vehicle is increased, the collision resistance and the heat dissipation speed of the vehicle are considered, the adaptability of the support beam to the battery boxes with various sizes is improved, and the production cost is reduced.

Description

Battery box and vehicle
Technical Field
The invention relates to the technical field of battery support, in particular to a battery box and a vehicle.
Background
The electric automobile has the advantages of energy conservation and environmental protection as a new energy automobile, and the electric automobile is more and more a hot spot of automobile field research.
Among the prior art, the battery module of electric motor car generally sets up in automobile body lower floor, is provided with a supporting beam among the box structure, and a supporting beam installs between the battery module, plays the effect of support to the battery module, guarantees the anti collision performance of battery, improves the radiating rate between the battery module. The inventor finds that the battery box has the following defects in the process of realizing creation: firstly, the support beams occupy effective space of a lower bottom plate of the vehicle body, the arrangement density of the battery modules is reduced, the increase of the driving mileage of the vehicle is not facilitated, the support effect on the battery modules is reduced by reducing the number of the support beams, and the impact resistance and the heat dissipation speed of the battery are not facilitated; secondly, the supporting beam is manufactured according to the size of the lower floor of the automobile body, and the supporting beam also needs to be manufactured by opening the die again when the size of the lower floor of the automobile body is changed, so that the production cost of the supporting beam is increased.
Therefore, it is necessary to solve the above-mentioned technical problems.
disclosure of Invention
The invention provides a battery box and a vehicle, which are used for solving the problems in the prior art, improving the arrangement density of battery modules in the battery box, increasing the endurance mileage of the vehicle, considering the anti-collision performance and the heat dissipation speed of the vehicle, improving the adaptability of a support beam to battery boxes with various sizes and reducing the production cost.
The invention provides a battery box, comprising: a box body; the inner plate comprises a front plate, a middle plate and a rear plate which are sequentially connected along the length direction, the length of the middle plate is adjustable along the length direction of the inner plate, the front plate, the middle plate and the rear plate are all arranged on the inner bottom wall of the box body, the inner plate comprises a supporting surface back to the inner bottom wall, and an inner groove is formed in the supporting surface; and the outer beam is arranged on the outer side wall surface of the box body. The inner plate and the outer beam can play a role in strengthening the structural strength of the box body, and the anti-collision effect of the battery module in the box body is ensured, wherein the inner plate is laid below the battery module, the outer beam is positioned on the outer side of the box body, the outer beam avoids invading the inner space of the box body, the battery modules can be arranged in the box body in a side-by-side fit manner, the arrangement density of the battery modules is increased, the endurance mileage is improved, meanwhile, the inner groove can reserve a certain air cooling or liquid cooling space for the battery modules and the bottom of the inner side of the box body, the heat dissipation speed of the battery modules is taken into consideration, the self weight of the inner plate is reduced, and the endurance mileage; when the size of the box body along the length direction changes, the length of the middle plate can be changed to adjust the total length of the inner plate, the box body after change is adapted, mold opening is not needed to be conducted again for manufacturing, the adaptability of the inner plate is improved, and the production cost is reduced.
Optionally, the middle plate includes a plurality of splice plates, and the splice plates are sequentially connected along a length direction of the middle plate. By changing the number of the connected splicing plates, the length of the inner plate can be shortened or increased, and the adaptation effect of the inner plate to the box body is increased. A plurality of splice plates can be welded and connected, and the operation is simple and convenient.
Optionally, at least one of the front plate, the middle plate and the rear plate comprises a plurality of inner cross beams and a plurality of inner longitudinal beams which are connected in a criss-cross manner, and any two adjacent inner cross beams and any two adjacent inner longitudinal beams intersect to define the inner groove. The inner cross beam and the inner longitudinal beam are connected in a staggered mode to form the net-shaped supporting structure, the structural strength of the inner plate can be improved, the inner grooves are defined directly through arrangement of the inner cross beam and the inner longitudinal beam, independent arrangement is not needed, the production process of the inner plate is simplified, and production efficiency is improved.
Optionally, the outer beam comprises a plurality of outer cross beams and a plurality of outer longitudinal beams which are connected in a criss-cross manner, and any outer cross beam comprises a plurality of sub cross beams which are connected along the length direction. The outer cross beams and the outer longitudinal beams are connected in a staggered mode to form a net-shaped supporting structure, the structural strength of the outer cross beams can be improved, the outer cross beams can select the mounting number of the sub-cross beams according to the width of the box body, and therefore the adaptation effect of the outer cross beams to the box body is improved.
Optionally, the sub-beam comprises a bottom plate and two supporting plates which are connected to two opposite sides of the bottom plate in a one-to-one correspondence manner, the bottom plate is opposite to the bottom wall of the box body, and the two supporting plates are mounted on the shell. This embodiment can make and form cavity structures between the diapire of outer crossbeam and box, not only can increase battery module's radiating effect, can leave certain compression space in vertical direction moreover, when the box received the extrusion along vertical direction, cavity structures can take place deformation and play the buffering effect, has increased battery module's security.
Optionally, a mounting hole is formed in the inner longitudinal beam, a gap is reserved between the inner longitudinal beam and the inner bottom wall, a nut is mounted on one side, facing the inner bottom wall, of the inner longitudinal beam, and a threaded hole of the nut is aligned with the mounting hole. This embodiment can make battery module pass through the bolt-up on the inner panel, increases the structural stability after the battery module installation. Furthermore, the nut can be a four-corner projection welding nut, convex welding spots are arranged at four corners of the four-corner projection welding nut, and the nut can be directly welded and fixed on the inner longitudinal beam through the welding spots at the four corners during installation, so that the nut is convenient to position and install. The mounting hole is all arranged in the inner panel, and the inner panel can be through stamping forming, and the position degree of mounting hole is easily guaranteed, and manufacturability is good, assembly efficiency effectively improves.
Optionally, the battery box further comprises a fastening bolt, and a stud of the fastening bolt penetrates through the battery module in sequence and is screwed on the nut after passing through the mounting hole. The battery module can be installed on the inner plate fixed in the box body by directly rotating the fastening bolt to fasten the stud on the nut.
Optionally, an installation beam is arranged on the outer side wall of the box body, a positioning hole is formed in the installation beam, a positioning column is arranged on the outer cross beam, and the positioning column penetrates into the positioning hole. The reference column wears to establish in the locating hole, can play the effect of preliminary location to the outer beam when the outer beam installation, improves the position degree of accuracy when the outer beam installation.
Optionally, the front plate and the middle plate are connected by spot welding, and the middle plate and the rear plate are connected by spot welding. The embodiment can ensure that the deformation quantity of the joints of the front plate and the middle plate and the joints of the middle plate and the rear plate are small, the process parameters are easy to control, and the connecting structure is stable and reliable.
Based on the same inventive concept, the invention also provides a vehicle, which comprises a lower bottom plate and the battery box, wherein the box body is arranged on the lower bottom plate.
According to the battery box and the vehicle provided by the invention, the inner plate and the outer beam can play a role in strengthening the structural strength of the box body, and the anti-collision effect of the battery module positioned in the box body is ensured, wherein the inner plate is laid below the battery module, the outer beam is positioned on the outer side of the box body, the outer beam avoids occupying the inner space of the box body, the battery modules can be arranged in the box body in a side-by-side fit manner, the arrangement density of the battery modules is increased, the endurance mileage is improved, meanwhile, the inner groove can reserve a certain air cooling or liquid cooling space for the battery modules and the inner bottom of the box body, the heat dissipation speed of the battery modules is taken into consideration, the self weight of the inner plate is reduced, and the endurance; when the size of the box body along the length direction changes, the length of the middle plate can be changed to adjust the total length of the inner plate, the box body after change is adapted, mold opening is not needed to be conducted again for manufacturing, the adaptability of the inner plate is improved, and the production cost is reduced.
Drawings
The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:
Fig. 1 is a schematic structural diagram of a battery box according to an alternative embodiment of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic structural diagram of an inner plate according to an alternative embodiment of the present invention.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a top view of fig. 3.
Fig. 6 is a schematic structural diagram of an outer beam according to an alternative embodiment of the present invention.
Fig. 7 is a cross-sectional view of an alternative embodiment of the present invention.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1 to 7, the present invention provides a battery case including a case body 4, an inner panel 3, and an outer beam 5. The inner plate 3 comprises a front plate 32, a middle plate 33 and a rear plate 34 which are sequentially connected along the length direction, the length of the middle plate 33 is adjustable along the length direction of the inner plate 3, the middle plate 33 and the rear plate 34 are both arranged on the inner bottom wall of the box body 4, the inner plate 3 comprises a supporting surface which is back to the inner bottom wall, and an inner groove 31 is formed in the supporting surface; the outer beam 5 is mounted on the outer side wall surface of the case 4.
According to the battery box provided by the invention, the inner plate 3 and the outer beam 5 can play a role in strengthening the structural strength of the box body 4, and the anti-collision effect of the battery module 1 positioned in the box body 4 is ensured, wherein the inner plate 3 is laid below the battery module 1, the outer beam 5 is positioned on the outer side of the box body 4, the outer beam 5 avoids occupying the inner space of the box body 4, the battery modules 1 can be arranged in the box body 4 in a parallel fit manner, the arrangement density of the battery modules 1 is increased, the endurance mileage is improved, meanwhile, the inner groove 31 can leave a certain air cooling or liquid cooling space for the inner bottoms of the battery modules 1 and the box body 4, the heat dissipation speed of the battery modules 1 is considered, the self weight of the inner plate 3 is reduced, and the endurance mileage is further increased; when the size of the box body 4 along the length direction changes, the length of the middle plate 33 can be changed to adjust the total length of the inner plate 3, the changed box body 4 is adapted, mold opening manufacturing is not needed again, the adaptability of the inner plate 3 is increased, and the production cost is reduced.
As an embodiment that the length of the middle plate 33 is adjusted along the length direction of the inner plate 3, the middle plate 33 may include a plurality of splice plates 35, and the splice plates 35 are sequentially connected along the length direction of the middle plate 33. By changing the number of the connected splice plates 35, the length of the inner plate 3 can be shortened or increased, and the adaptive effect of the inner plate 3 on the box body 4 is increased. The splice plates 35 can be welded together, and the operation is simple.
Preferably, at least one of the front plate 32, the middle plate 33 and the rear plate 34 includes a plurality of inner cross members 36 and a plurality of inner longitudinal members 37 connected in a crisscross manner, and any two adjacent inner cross members 36 and any two adjacent inner longitudinal members 37 intersect to define the inner groove 31. The inner cross beams 36 and the inner longitudinal beams 37 are connected in a staggered mode to form a net-shaped supporting structure, the structural strength of the inner plate 3 can be improved, the inner grooves 31 are directly limited through arrangement of the inner cross beams 36 and the inner longitudinal beams 37, independent arrangement is not needed, the production process of the inner plate 3 is simplified, and production efficiency is improved.
As an alternative embodiment, the outer beam 5 includes a plurality of outer cross beams 51 and a plurality of outer longitudinal beams 52 which are connected in a crisscross manner, and any one of the outer cross beams 51 includes a plurality of sub cross beams connected in the length direction. The outer cross beams 51 and the outer longitudinal beams 52 are connected in a staggered mode to form a net-shaped supporting structure, the structural strength of the outer beams 5 can be increased in the longitudinal direction and the transverse direction, and the number of the sub-cross beams can be selected according to the width of the box body 4 through the outer cross beams 51, so that the adaptive effect of the outer beams 5 on the box body 4 is increased.
On the basis of the above embodiment, the sub-beams include a bottom plate and two support plates connected to two opposite sides of the bottom plate in a one-to-one correspondence manner, the bottom plate is opposite to the bottom wall of the box body 4, and the two support plates are mounted on the housing. This embodiment can make and form cavity structures between the diapire of outer crossbeam 51 and box 4, not only can increase battery module 1's radiating effect, alleviate outer crossbeam 51 dead weight, increase outer crossbeam 51's horizontal anti extrusion characteristics, can leave certain compression space in vertical direction moreover, when box 4 received the extrusion along vertical direction, cavity structures can take place deformation and play the buffering effect, has increased battery module 1's security.
Optionally, a mounting hole 38 is formed in the inner longitudinal beam 37, a gap is left between the inner longitudinal beam 37 and the inner bottom wall, a nut is mounted on one side of the inner longitudinal beam 37 facing the inner bottom wall, and a threaded hole of the nut is aligned with the mounting hole 38. This embodiment can make battery module 1 pass through the bolt fastening on inner panel 3, increases the structural stability after battery module 1 installs. Further, the nuts can be four-corner projection welding nuts, convex welding points are arranged on four corners of the four-corner projection welding nuts, and the nuts can be directly welded and fixed on the inner longitudinal beam 37 through the welding points on the four corners during installation, so that positioning and installation are facilitated. Mounting hole 38 is all arranged in inner panel 3, and inner panel 3 can be through stamping forming, and the position degree of mounting hole 38 is easily guaranteed, and manufacturability is good, assembly efficiency effectively improves.
on the basis of the above embodiment, the battery box further includes a fastening bolt 2, and a stud of the fastening bolt 2 is sequentially inserted through the battery module 1 and the mounting hole 38 and then screwed on the nut. The battery module 1 can be mounted on the inner panel 3 fixed in the case 4 by directly rotating the fastening bolt 2 to fasten the stud bolt to the nut.
Preferably, the outer side wall of the box 4 is provided with a mounting beam 6, the mounting beam 6 is provided with a positioning hole 61, the outer beam 51 is provided with a positioning column 53, and the positioning column 53 penetrates through the positioning hole 61. The positioning column 53 penetrates through the positioning hole 61, and can play a role in preliminary positioning on the outer beam 5 when the outer beam 5 is installed, so that the position accuracy of the outer beam 5 during installation is improved.
Optionally, the front plate 32 and the middle plate 33 are connected by spot welding, and the middle plate 33 and the rear plate 34 are connected by spot welding. The embodiment can ensure that the deformation quantity of the joints of the front plate 32 and the middle plate 33 and the joints of the middle plate 33 and the rear plate 34 are small, the process parameters are easy to control, and the connecting structure is stable and reliable.
Based on the same inventive concept, the invention also provides a vehicle, which comprises a lower bottom plate and a battery box, wherein the box body 4 is arranged on the lower bottom plate.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A battery box, comprising:
A box body;
the inner plate comprises a front plate, a middle plate and a rear plate which are sequentially connected along the length direction, the length of the middle plate is adjustable along the length direction of the inner plate, the front plate, the middle plate and the rear plate are all arranged on the inner bottom wall of the box body, the inner plate comprises a supporting surface back to the inner bottom wall, and an inner groove is formed in the supporting surface;
And the outer beam is arranged on the outer side wall surface of the box body.
2. The battery box of claim 1, wherein the middle plate comprises a plurality of splice plates, and the splice plates are connected in sequence along a length direction of the middle plate.
3. The battery box of claim 1, wherein at least one of said front panel, said middle panel, and said rear panel includes a plurality of inner cross members and a plurality of inner side members connected in a criss-cross pattern, any adjacent two of said inner cross members intersecting any adjacent two of said inner side members to define said inner channel.
4. The battery box of claim 3, wherein the outer beams comprise a plurality of outer cross beams and a plurality of outer longitudinal beams that are criss-cross connected, and any one of the outer cross beams comprises a plurality of sub cross beams that are connected in a length direction.
5. The battery box according to claim 4, wherein the sub-beams include a bottom plate and two support plates connected to opposite sides of the bottom plate in a one-to-one correspondence, the bottom plate being disposed opposite to the bottom wall of the box body, the two support plates being mounted on the housing.
6. The battery box of claim 5, wherein the inner longitudinal beam is provided with a mounting hole, a gap is left between the inner longitudinal beam and the inner bottom wall, a nut is mounted on one side of the inner longitudinal beam facing the inner bottom wall, and a threaded hole of the nut is aligned with the mounting hole.
7. The battery box of claim 6, further comprising a fastening bolt, wherein a stud of the fastening bolt is threaded through the battery module and the mounting hole in sequence and then is screwed on the nut.
8. The battery box according to claim 7, wherein the outer side wall of the box body is provided with a mounting beam, the mounting beam is provided with a positioning hole, the outer cross beam is provided with a positioning column, and the positioning column penetrates into the positioning hole.
9. The battery box according to any one of claims 1 to 8, wherein the front plate is spot-welded to the middle plate, and the middle plate is spot-welded to the rear plate.
10. A vehicle comprising a lower floor, further comprising: the battery box of any one of claims 1-9, said box being mounted to said lower base plate.
CN201910858850.8A 2019-09-11 2019-09-11 Battery box and vehicle Pending CN110549875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910858850.8A CN110549875A (en) 2019-09-11 2019-09-11 Battery box and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910858850.8A CN110549875A (en) 2019-09-11 2019-09-11 Battery box and vehicle

Publications (1)

Publication Number Publication Date
CN110549875A true CN110549875A (en) 2019-12-10

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ID=68739967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910858850.8A Pending CN110549875A (en) 2019-09-11 2019-09-11 Battery box and vehicle

Country Status (1)

Country Link
CN (1) CN110549875A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206067470U (en) * 2016-08-31 2017-04-05 东风汽车公司 Power battery fixing structure
CN206584981U (en) * 2017-03-07 2017-10-24 怀化顺达新能源汽车技术有限公司 A kind of battery case for being adapted to sizes type module
CN107681080A (en) * 2017-09-26 2018-02-09 江苏银基烯碳能源科技有限公司 A kind of pure electric vehicle battery bag
CN208014769U (en) * 2018-03-15 2018-10-26 合肥国轩高科动力能源有限公司 Battery box of power automobile
CN108767169A (en) * 2018-08-15 2018-11-06 北京普莱德新能源电池科技有限公司 A kind of butt-welding type aluminium alloy module unit tray and battery pack
CN109546029A (en) * 2018-10-16 2019-03-29 中航锂电（洛阳）有限公司 New energy vehicle and power battery pack
CN211106989U (en) * 2019-09-11 2020-07-28 威马智慧出行科技（上海）有限公司 Battery box and vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206067470U (en) * 2016-08-31 2017-04-05 东风汽车公司 Power battery fixing structure
CN206584981U (en) * 2017-03-07 2017-10-24 怀化顺达新能源汽车技术有限公司 A kind of battery case for being adapted to sizes type module
CN107681080A (en) * 2017-09-26 2018-02-09 江苏银基烯碳能源科技有限公司 A kind of pure electric vehicle battery bag
CN208014769U (en) * 2018-03-15 2018-10-26 合肥国轩高科动力能源有限公司 Battery box of power automobile
CN108767169A (en) * 2018-08-15 2018-11-06 北京普莱德新能源电池科技有限公司 A kind of butt-welding type aluminium alloy module unit tray and battery pack
CN109546029A (en) * 2018-10-16 2019-03-29 中航锂电（洛阳）有限公司 New energy vehicle and power battery pack
CN211106989U (en) * 2019-09-11 2020-07-28 威马智慧出行科技（上海）有限公司 Battery box and vehicle

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