CN115312933A - Battery package box, battery package and car - Google Patents
Battery package box, battery package and car Download PDFInfo
- Publication number
- CN115312933A CN115312933A CN202110492317.1A CN202110492317A CN115312933A CN 115312933 A CN115312933 A CN 115312933A CN 202110492317 A CN202110492317 A CN 202110492317A CN 115312933 A CN115312933 A CN 115312933A
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- Prior art keywords
- mounting
- bottom plate
- battery pack
- battery
- pack case
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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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- 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)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery pack box, a battery pack and an automobile, wherein the battery pack box comprises a bottom plate and side plates arranged around the bottom plate, the bottom plate and the side plates jointly form an accommodating groove, and the accommodating groove is used for accommodating a plurality of battery modules; the battery module mounting structure comprises a base plate, at least two mounting beams are arranged on the base plate, the mounting beams extend along a first direction of the base plate and are arranged at intervals along a second direction of the base plate, a plurality of mounting assemblies are arranged on the mounting beams, the mounting assemblies are arranged at intervals along the extending direction of the mounting beams, each battery module is arranged between two adjacent mounting beams at intervals, and the mounting assemblies are used for being connected with end plates of the battery modules opposite to the mounting assemblies. According to the battery pack box body, the installation space of the battery module is saved by additionally arranging the installation beam at the bottom of the box body, and the stability of the battery pack box body is improved.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to a battery pack box body, a battery pack and an automobile.
Background
The power battery is used as a power source of the electric automobile, and has important influence on the performance of the electric automobile. The battery pack is used as a carrier of the power battery, and plays an important role in the safety protection of the power battery.
The battery pack mainly comprises a box body structure and a plurality of battery modules, wherein the box body structure comprises a box body and a box cover, and the box cover is detachably connected to the box body; the box and the box cover jointly form an installation space, and the battery module is located in the installation space so that the battery module is effectively protected. The battery module is provided with a connecting piece, a mounting hole is formed in the box body, and the connecting piece is connected with the mounting hole so as to fix the battery module in the box body.
However, the connection mode of the box body and the battery module occupies more space and has poor stability.
Disclosure of Invention
The invention provides a battery pack box body, a battery pack and an automobile, and solves the problems that in the prior art, a box body and a battery module are connected in a connection mode, the occupied space is large, and the stability is poor.
The invention provides a battery pack box, which comprises a bottom plate and side plates arranged around the bottom plate, wherein the bottom plate and the side plates jointly enclose an accommodating groove, and the accommodating groove is used for accommodating a plurality of battery modules;
the battery module mounting structure comprises a base plate, a plurality of mounting beams, a plurality of battery modules and a plurality of battery modules, wherein the base plate is provided with at least two mounting beams, the mounting beams extend along a first direction of the base plate and are arranged at intervals along a second direction of the base plate, the mounting beams are provided with a plurality of mounting assemblies, the mounting assemblies are arranged at intervals along the extending direction of the mounting beams, the battery modules are arranged between two adjacent mounting beams at intervals, and the mounting assemblies are used for being connected with end plates of the battery modules opposite to the mounting assemblies;
wherein the first direction is perpendicular to the second direction.
In a possible implementation manner, the battery pack box provided by the invention comprises a mounting assembly and at least one first positioning piece, wherein the mounting assembly comprises at least one first mounting hole and at least one first positioning piece, the first mounting hole is used for being connected with the end plate, and the first positioning piece is used for providing positioning for the end plate.
In a possible implementation manner, the mounting assembly of the battery pack box provided by the invention further comprises a bolt, the first mounting hole is a threaded hole, the bolt penetrates through the end plate to be connected with the threaded hole, and the first positioning piece is a positioning column.
In a possible implementation manner, the number of the mounting beams of the battery pack box body provided by the invention is four, two mounting beams positioned in the middle part form a middle mounting beam, and the middle mounting beam is detachably connected with the bottom plate;
the mounting beams positioned on the two sides of the middle mounting beam form side mounting beams, and the side mounting beams are detachably connected with the side plates opposite to the side mounting beams.
In a possible implementation manner, the two mounting beams positioned in the middle of the battery pack box body provided by the invention are integrally formed;
the middle part installation roof beam is including the first butt limit that connects gradually, first bellying, connecting portion, second bellying and second butt limit, the internal surface contact of first butt limit and second butt limit and bottom plate, first bellying and the protruding holding tank to the second bellying, so that first clearance has between the internal surface of first bellying and second bellying all and bottom plate, the installation component is located on first bellying and the second bellying respectively, connecting portion, at least one in first butt limit and the second butt limit passes through first screwed connection with the bottom plate.
In a possible implementation manner, the battery pack box provided by the invention comprises a side mounting beam, a third abutting edge, a third protruding portion and a fourth abutting edge, wherein the third abutting edge, the third protruding portion and the fourth abutting edge are connected, the third abutting edge is in contact with the inner surface of the bottom plate, the third abutting edge and the bottom plate are connected through a second screw, the third protruding portion protrudes towards the accommodating groove, so that a second gap is formed between the third protruding portion and the inner surface of the bottom plate, the mounting assembly is located on the third protruding portion, and the fourth abutting edge abuts against the inner surface of the side plate.
In a possible implementation manner, the battery pack case provided by the invention has a plurality of fourth protrusions protruding towards the accommodating groove on the bottom plate, the fourth protrusions are arranged at intervals along the first direction, the mounting beam is provided with a plurality of grooves, the grooves are arranged at intervals along the extending direction of the mounting beam, the grooves and the fourth protrusions are arranged in a one-to-one correspondence manner and are matched with each other, and the grooves cover the fourth protrusions.
In a possible implementation manner, in the battery pack box provided by the invention, the first direction is the length direction of the bottom plate, the second direction is the width direction of the bottom plate, and the side length of the length direction of the bottom plate is greater than that of the width direction of the bottom plate; the height of the side plate is greater than and equal to one fourth of the height of the battery module and less than or equal to one half of the height of the battery module.
The invention provides a battery pack which comprises a battery pack box cover, a plurality of battery modules and any one of the battery pack box bodies, wherein the battery pack box body and the battery pack box cover jointly enclose a cavity, and each battery module is positioned in the cavity.
The invention provides an automobile which comprises an automobile body and the battery pack connected to the automobile body.
According to the battery pack box body, the battery pack and the automobile provided by the invention, the mounting beams are arranged on the bottom plate so that the battery module can be mounted in the accommodating groove, meanwhile, the mounting assemblies are arranged at intervals in the extending direction of the mounting beams and used for mounting and connecting the end plates of the battery module, and after the battery module is mounted on the mounting beams, the end plates at two ends of the battery module are respectively matched and connected with the corresponding mounting assemblies, so that the battery module can be stably connected to the mounting beams, and the extra space of the battery pack box body is prevented from being occupied. Simultaneously, the installation back of roof beam and bottom plate connection can effectively increase the intensity of bottom plate, has promoted the holistic stability of battery package box.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a battery pack case provided by the present invention;
fig. 2 is a front view of a battery pack case provided by the present invention;
fig. 3 is an exploded view of a battery pack according to the present invention;
fig. 4 is an assembly view of a battery pack case and a battery module according to the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is an enlarged view at B of FIG. 1;
fig. 7 is a partial cross-sectional view at C-C in fig. 2.
Description of reference numerals:
10-battery pack case; 20-battery pack case cover; 30-a battery module;
100-a base plate; 110-mounting a beam; 111-mounting the component; 112-a first mounting hole; 113-a first positioning member; 114-a groove; 120-a middle mounting beam; 121-a first abutment edge; 122-a first boss; 123-a connecting part; 124-a second boss; 125-a second abutting edge; 126-a first gap; 130-side mounting beams; 131-a third abutting edge; 132-a third boss; 133-fourth abutment edge; 134-a second gap; 140-a fourth boss;
200-side plate; an extended edge 210;
300-accommodating the tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The power battery is used as a power source of the electric automobile, and has an important influence on the performance of the electric automobile. The battery pack is used as a carrier of the power battery, and plays an important role in the safety protection of the power battery.
The battery pack mainly comprises a box body structure and a plurality of battery modules, wherein the box body structure comprises a box body and a box cover, and the box cover is detachably connected to the box body; the box body and the box cover jointly form an installation space, and the battery module is located in the installation space, so that the battery module is effectively protected.
The battery module includes two end plates, two curb plates, a plurality of electric core and a plurality of insulating piece etc.. A plurality of battery cores are arranged between the two end plates side by side, and the battery cores are electrically connected in a series/parallel connection mode. Insulating sheets for insulation are arranged between the adjacent electric cores and between the electric cores and the end plates. Two curb plates set up respectively at the side of battery module, and are used for taut electric core with behind each electric core butt to promote the intensity of battery module. Connecting pieces are respectively arranged on the end plates at the two ends of the battery module, mounting holes are arranged on the side plates in the battery pack box body, and the connecting pieces and the mounting holes are arranged in a one-to-one correspondence manner; through being connected connecting piece and mounting hole cooperation to with battery module fixed mounting in the battery package box.
However, the connection mode of the battery pack box and the battery module in the prior art occupies more space and has poor stability.
Based on the structure, the battery pack box body can greatly save the occupied space of the battery module after installation by optimizing the connection mode of the end plate and the side plate in the prior art into the connection mode of the end plate and the bottom plate, and can effectively improve the strength of the box body and the stability of the box body by arranging the structure for installing the battery module on the box body.
The present invention will be described in detail with reference to specific examples.
Examples
Fig. 1 is a schematic structural view of a battery pack case provided by the present invention, fig. 2 is a front view of the battery pack case provided by the present invention, fig. 3 is an exploded schematic view of the battery pack provided by the present invention, fig. 4 is an assembly view of the battery pack case and a battery module provided by the present invention, fig. 5 is an enlarged view of a point a in fig. 1, fig. 6 is an enlarged view of a point B in fig. 1, and fig. 7 is a partial sectional view of a point C-C in fig. 2.
As shown in fig. 1 to 3, the present embodiment provides a battery pack case 10, which includes a bottom plate 100 and a side plate 200 surrounding the bottom plate 100, wherein the bottom plate 100 and the side plate 200 together define a receiving groove 300, and the receiving groove 300 is used for receiving a plurality of battery modules 30.
The bottom plate 100 is provided with at least two mounting beams 110, the mounting beams 110 extend along a first direction of the bottom plate 100 and are arranged at intervals along a second direction of the bottom plate 100, the mounting beams 110 are provided with a plurality of mounting assemblies 111, the mounting assemblies 111 are arranged at intervals along the extending direction of the mounting beams 110, the battery modules 30 are arranged between two adjacent mounting beams 110 at intervals, and the mounting assemblies 111 are used for being connected with end plates of the battery modules 30 opposite to the mounting assemblies 111. Wherein the first direction is perpendicular to the second direction.
In the present embodiment, the battery pack case 10 includes a bottom plate 100 and a side plate 200 surrounding the bottom plate 100, the bottom plate 100 has a rectangular shape, and the side plate 200 surrounds the bottom plate 100 and is integrally connected to the bottom plate 100. The bottom plate 100 and the side plates 200 together define a receiving groove 300, and the bottom of the battery module 30 is fixedly connected to the bottom plate 100, so that part of the structure of the battery module 30 is located inside the receiving groove 300.
As shown in fig. 2, in the present embodiment, the first direction is an X direction indicated on the battery pack case 10, the second direction is a Y direction indicated on the battery pack case 10, and the first direction and the second direction are perpendicular to each other.
In this embodiment, the first direction is a length direction of the bottom plate 100, the second direction is a width direction of the bottom plate 100, and a side length of the length direction of the bottom plate 100 is greater than a side length of the width direction of the bottom plate 100; the height of the side plate 200 is greater than and equal to one-fourth of the height of the battery module 30 and less than or equal to one-half of the height of the battery module 30.
As shown in fig. 1 and 4, the battery modules 30 may be arranged in an array along a first direction and a second direction, and a plurality of the battery modules 30 may be uniformly spaced along the first direction to form a column; a plurality of battery modules 30 may be uniformly spaced along the second direction to form at least two rows, and the battery modules 30 in two adjacent rows are spaced by the mounting beams 110.
The electrode post end of each battery module 30 opposite to the bottom thereof faces the battery pack case cover 20, and the length between the bottom of the battery module 30 and the electrode post end of the battery module 30 is the height of the battery module 30. The height of the side plates 200 is set to be greater than and equal to one-fourth of the height of the battery modules 30 and less than or equal to one-half of the height of the battery modules 30, facilitating the placement of the battery modules 30 in the receiving grooves 300.
In order to couple the battery modules 30 into the receiving groove 300, four mounting beams 110 for mounting the battery modules 30 are provided on the bottom plate 100 of the battery pack case 10, and the battery modules 30 can be fixed into the receiving groove 300 after the end plates of the battery modules 30 are coupled to the mounting beams 110. The mounting beams 110 extend along the first direction of the base plate 100 and are arranged at intervals along the second direction of the base plate 100, and after the battery modules 30 are arranged on two adjacent mounting beams 110 at intervals along the first direction of the base plate 100, two end plates at two ends of each mounting beam 110 are respectively and fixedly connected to the mounting beams 110.
In order to fixedly connect the end plates of the battery modules 30 to the mounting beams 110, a plurality of mounting assemblies 111 are provided on the mounting beams 110, the mounting assemblies 111 are arranged at intervals along the extending direction of the mounting beams 110, the mounting assemblies 111 are arranged in one-to-one correspondence with the end plates of the battery modules 30, and the end plates are connected to the corresponding mounting assemblies 111, respectively, so as to stably connect the battery modules 30 to the mounting beams 110.
In some embodiments, the mounting beam 110 is an integrally formed structure, and the mounting beam 110 is detachably connected to the base plate 100, but the specific connection manner is not limited thereto, and any one of a screw connection, a bolt connection, or a snap connection may be adopted. The mounting beams 110 are mounted on the base plate 100 at intervals along the second direction of the base plate 100, which can effectively increase the strength of the base plate 100.
It can be seen from this that, through set up installation roof beam 110 on bottom plate 100 so that battery module 30 can install in holding tank 300, be provided with a plurality of installation components 111 at the extending direction interval of installation roof beam 110 simultaneously, an end plate for installation connection battery module 30, after battery module 30 connects on installation roof beam 110, the end plate at its both ends is connected with the cooperation of corresponding installation component 111 respectively, just so make the stable connection of battery module 30 on installation roof beam 110, the problem of occupying holding tank 300 inner space when setting up the connecting piece on battery module 30's end plate and being connected with battery package box 10 among the prior art has been solved. Meanwhile, after the mounting beam 110 is connected with the bottom plate 100, the strength of the bottom plate 100 can be effectively increased, and the overall stability of the battery pack case 10 is improved.
As shown in fig. 5 and 6, the mounting assembly 111 includes at least one first mounting hole 112 and at least one first positioning member 113, the first mounting hole 112 is used for connecting with the end plate, and the first positioning member 113 is used for providing positioning for the end plate.
The mounting assembly 111 further includes a bolt (labeled in the figure), the first mounting hole 112 is a threaded hole, the bolt passes through the end plate to connect with the threaded hole, and the first positioning member 113 is a positioning post.
In one possible implementation manner, in order to enable the end plate of the battery module 30 to be quickly mounted on the mounting beam 110, a plurality of mounting assemblies 111 are arranged at intervals in the extending direction of the mounting beam 110, each mounting assembly 111 includes two first mounting holes 112 and one first positioning member 113, the first mounting holes 112 are used for mounting and connecting the end plate, and the first positioning members 113 are used for providing positioning function for the end plate, so that the end plate can be accurately mounted on the mounting beam 110.
Specifically, the mounting assembly 110 further includes a bolt, the first mounting hole 112 may be a threaded hole having an internal thread, the first positioning member 113 is a raised positioning post, and a through hole (not shown) for the bolt to pass through and a positioning hole (not shown) for the positioning post to pass through are correspondingly disposed on the end plate. In actual operation, the positioning holes on the end plates are firstly matched with the positioning columns to accurately place the battery modules 30 at the preset positions, and then bolts are screwed on the mounting beams 110 after passing through the through holes on the end plates, so that the battery modules 30 are fixedly connected with the mounting beams 110, and thus, the mounting work of the battery modules 30 in the battery pack case 10 is completed.
As shown in fig. 1, 2, 5 and 6, the number of the mounting beams 110 is four, two mounting beams 110 located in the middle form a middle mounting beam 120, and the middle mounting beam 120 is detachably connected to the base plate 100; the mounting beams 110 located at both sides of the middle mounting beam 120 form side mounting beams 130, and the side mounting beams 130 are detachably coupled to the side plates 200 opposite thereto.
In some embodiments, in order to mount a plurality of battery modules 30 in the receiving groove 300 of the battery pack case 10, four mounting beams 110 are provided on the base plate 100, respectively at the middle and both sides of the base plate 100. The two mounting beams 110 arranged in the middle of the bottom plate 100 form a middle mounting beam 120, and the middle mounting beam 120 is detachably connected with the bottom plate 100 through screws, bolts, buckles and the like; the mounting beams 110 on the two sides of the middle mounting beam 120 are respectively abutted to the side plates 200 on the two sides of the bottom plate 100 to form a side mounting beam 130, and the side mounting beam 130 is detachably connected with the side plates 200 through screws, bolts, buckles and the like. Thus, a plurality of battery modules 30 are oppositely mounted on the middle mounting beam 120 and the two side mounting beams 130, and the plurality of battery modules 30 are arranged along the direction in which the mounting beams 110 extend.
In one possible implementation, the bottom plate 100 is a rectangular member that is integrally molded, and the bottom plate 100 needs to be mounted on the vehicle body as a carrier of the battery module 30. When some unexpected circumstances appear in the vehicle, the battery package can hardly avoid receiving the collision of external object, and the inside battery module 30 of battery package produces the damage because of receiving the collision this moment, influences normal work, through connect the intensity that installation roof beam 110 can effectual improvement bottom plate 100 at the middle part of bottom plate 100 and two sides, and then promote the steadiness of battery package box 10, also can effectively protect battery module 30 in order to avoid being damaged.
As shown in fig. 1 to 7, two mounting beams 110 located in the middle are integrally formed, the middle mounting beam 120 includes a first abutting edge 121, a first protrusion 122, a connecting portion 123, a second protrusion 124 and a second abutting edge 125 which are connected in sequence, the first abutting edge 121 and the second abutting edge 125 contact with the inner surface of the base plate 100, the first protrusion 122 and the second protrusion 124 protrude toward the receiving groove 300, so that a first gap 126 is formed between each of the first protrusion 122 and the second protrusion 124 and the inner surface of the base plate 100, the mounting assembly 111 is located on the first protrusion 122 and the second protrusion 124, respectively, and at least one of the connecting portion 123, the first abutting edge 121 and the second abutting edge 125 is connected with the base plate 100 through a first screw (not shown in the figures).
Specifically, the middle mounting beam 120 is formed by integrally molding two mounting beams 110 located at the middle position of the base plate 100. The middle mounting beam 120 includes a first abutting edge 121 and a second abutting edge 125 abutting against the bottom plate 100, and the first abutting edge 121 and the second abutting edge 125 are attached to the bottom plate 100. A first protrusion 122 and a second protrusion 124 protruding toward the receiving groove 300 are disposed between the first abutting edge 121 and the second abutting edge 125, and the first protrusion 122 and the second protrusion 124 are connected by a connecting portion 123. The mounting assemblies 111 are respectively located on the first protruding portion 122 and the second protruding portion 124, and after the bolt penetrates through the end plate and is screwed in the first mounting hole 112, one end of the bolt can extend into the first gap 126 formed between the first protruding portion 122 and the second protruding portion 124 and the bottom plate 100, so that after the battery module 30 is mounted, the bolt for fixed connection does not occupy extra space, and space resources inside the battery pack case 10 are saved. In this embodiment, the first abutting edge 121 and the second abutting edge 125 on the middle mounting beam 120 and the connecting portion 123 are all connected to the base plate 100 by a first screw, so that the base plate 100 is more firmly and stably matched with the mounting beam 110.
As shown in fig. 1, 6 and 7, the side mounting beam 130 includes a third abutting edge 131, a third protrusion 132 and a fourth abutting edge 133, the third abutting edge 131 contacts with the inner surface of the bottom plate 100, the third abutting edge 131 is connected with the bottom plate 100 by a second screw (not shown), the third protrusion 132 protrudes toward the receiving groove 300, so that a second gap 134 is formed between the third protrusion 132 and the inner surface of the bottom plate 100, the mounting assembly 111 is located on the third protrusion 132, and the fourth abutting edge 133 abuts with the inner surface of the side plate 200.
Specifically, the side mounting beams 130 abut against the side plates 200, respectively, the side mounting beams 130 include a third abutting edge 131 abutting against the inner surface of the bottom plate 100 and a fourth abutting edge 133 abutting against the inner surface of the side plate 200, and the third abutting edge 131 and the fourth abutting edge 133 are closely attached to the inner surfaces of the bottom plate 100 and the side plate 200, respectively. The third abutting edge 131 is connected to the base plate 100 by a second screw (not shown) for fixing the side mounting beam 130. Be provided with third bellying 132 between third butt joint limit 131 and fourth butt joint limit 133, third bellying 132 is protruding to holding tank 300 to form second clearance 134 between the internal surface of third bellying 132 and bottom plate 100, and is same, installation component 111 sets up on third bellying 132, after the installation end plate on side installation roof beam 130, the bolt passes back spiral connection through the through-hole of end plate and gets into inside third bellying 132 and the second clearance 134 that bottom plate 100 formed, can effectively avoid the bolt to occupy extra space like this, the inside space resource of battery package box 10 has been saved.
As shown in fig. 1, 2, 5 and 6, the bottom plate 100 has a plurality of fourth protrusions 140 protruding toward the receiving grooves 300, the fourth protrusions 140 are arranged at intervals along the first direction, the mounting beam 110 has a plurality of grooves 114, the grooves 114 are arranged at intervals along the extending direction of the mounting beam 110, the grooves 114 are arranged in one-to-one correspondence with the fourth protrusions 140 and matched with the fourth protrusions 140, and the grooves 114 cover the fourth protrusions 140.
In some embodiments, in order to improve the strength of the bottom plate 100, a plurality of fourth protrusions 140 protruding toward the receiving groove 300 are disposed on the bottom plate 100 at intervals along the first direction, the fourth protrusions 140 extend along the second direction and are integrally formed with the bottom plate 100, and the fourth protrusions 140 and the plurality of mounting beams 110 together form a reinforcing frame of the bottom plate 100, so that the strength of the bottom plate 100 is greatly improved, and the stability of the battery pack case 10 is improved.
In order to improve the installation accuracy of the installation beam 110 on the base plate 100, a plurality of grooves 114 are arranged on the installation beam 110, the grooves 114 are arranged at intervals along the extending direction of the installation beam 110, the arrangement positions of the grooves 114 correspond to the positions of the fourth protrusions 140 on the base plate 100 one by one, and the grooves 114 and the fourth protrusions 140 can be matched with each other, so that the grooves 114 can be just covered on the fourth protrusions 140, and the installation beam can be placed at the preset position on the inner surface of the base plate 100 after the grooves 114 are matched with the fourth protrusions 140.
As shown in fig. 1 and 3, the edge of the side plate 200 has an extended edge 210 extending toward the outside of the receiving groove 300, and the extended edge 210 is used to connect the battery pack case cover 20.
In the present embodiment, in order to enable the battery pack case cover 20 to be stably connected to the battery pack case 30, an extension edge 210 extending toward the outside of the receiving groove 300 is provided on the side plate 200 of the battery pack case 10, and the extension edge 210 is connected to the battery pack case cover 20 by a fastener (not shown) after abutting against the battery pack case cover. The fastener is used for detachably connecting the battery pack case 10 and the battery pack case cover 20, and the specific structure of the fastener is not limited, for example, any one of a bolt, a screw, a snap and the like may be used.
As shown in fig. 3, an embodiment of the present invention provides a battery pack, which includes a battery pack case cover 20, a plurality of battery modules 30, and the battery pack case 10, where the battery pack case 10 and the battery pack case cover 20 together enclose a cavity, and each battery module 30 is located in the cavity.
Specifically, the battery pack comprises a case cover 20, a plurality of battery modules 30 and a battery pack case 10 in the embodiment of the invention, wherein the battery pack case cover 20 is arranged in the battery pack case 10 and encloses a cavity together with the battery pack case 10, and each battery module 30 is located in the cavity. Thus, the battery pack case cover 20 and the battery pack case body 10 form a battery pack structure capable of accommodating the battery module 30, and the battery module 30 can be accommodated in the battery pack case body 10 structure and can be protected to a certain extent.
Based on the above description, the embodiment of the present invention further provides an automobile, where the automobile includes an automobile body and the battery pack described in the above description connected to the automobile body, and the battery pack is disposed in the automobile and connected to internal devices of the automobile to supply electric energy to the automobile so as to drive the automobile to operate. The battery pack may include a case cover, a case body, and a battery module, and the case cover, the case body, and the battery module may refer to the above description, which is not further described herein.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections, or integral combinations thereof; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the 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. The battery pack box body is characterized by comprising a bottom plate and side plates arranged around the bottom plate in a surrounding mode, wherein the bottom plate and the side plates jointly form a containing groove, and the containing groove is used for containing a plurality of battery modules;
the bottom plate is provided with at least two mounting beams, the mounting beams extend along a first direction of the bottom plate and are arranged at intervals along a second direction of the bottom plate, the mounting beams are provided with a plurality of mounting assemblies, the mounting assemblies are arranged at intervals along the extending direction of the mounting beams, the battery modules are arranged between two adjacent mounting beams at intervals, and the mounting assemblies are used for being connected with end plates of the battery modules opposite to the mounting assemblies;
wherein the first direction is perpendicular to the second direction.
2. The battery pack case of claim 1, wherein the mounting assembly comprises at least one first mounting hole for coupling with the end plate and at least one first locator for providing a location for the end plate.
3. The battery pack case of claim 2, wherein the mounting assembly further comprises a bolt, the first mounting hole is a threaded hole, the bolt passes through the end plate to connect with the threaded hole, and the first positioning member is a positioning post.
4. The battery pack case according to claim 1, wherein the number of the mounting beams is four, two mounting beams located in the middle form a middle mounting beam, and the middle mounting beam is detachably connected to the bottom plate;
the side mounting beams are arranged on the two sides of the middle mounting beam and are detachably connected with the side plates opposite to the side mounting beams.
5. The battery pack case according to claim 4, wherein the two mounting beams located at the middle portion are integrally formed;
the utility model discloses a supporting structure of a bridge, including the bottom plate, the intermediate mounting roof beam includes first butt limit, first bellying, connecting portion, second bellying and the second butt limit that connects gradually, first butt limit with the second butt limit with the internal surface contact of bottom plate, first bellying with the second bellying is protruding to the holding tank, so that first bellying with the second bellying all with first clearance has between the internal surface of bottom plate, the installation component is located respectively on the first bellying with on the second bellying, connecting portion, first butt limit with in the second butt limit at least one with the bottom plate passes through first screwed connection.
6. The battery pack case of claim 4, wherein the side mounting beam comprises a third abutting edge, a third protruding portion and a fourth abutting edge, the third abutting edge is in contact with the inner surface of the bottom plate, the third abutting edge is connected with the bottom plate through a second screw, the third protruding portion protrudes towards the receiving groove, so that a second gap is formed between the third protruding portion and the inner surface of the bottom plate, the mounting assembly is located on the third protruding portion, and the fourth abutting edge abuts against the inner surface of the side plate.
7. The battery pack case of claim 1, wherein the bottom plate has a plurality of fourth protrusions protruding toward the receiving grooves, the fourth protrusions are spaced apart along the first direction, the mounting beam has a plurality of grooves, the grooves are spaced apart along the extending direction of the mounting beam, the grooves are in one-to-one correspondence with the fourth protrusions and match with the fourth protrusions, and the grooves cover the fourth protrusions.
8. The battery pack case according to claim 1, wherein the first direction is a length direction of the bottom plate, the second direction is a width direction of the bottom plate, and a side length of the length direction of the bottom plate is greater than a side length of the width direction of the bottom plate; the height of the side plate is greater than and equal to one fourth of the height of the battery module and less than or equal to one half of the height of the battery module.
9. A battery pack, characterized by comprising a battery pack case cover, a plurality of battery modules and the battery pack case body as claimed in any one of claims 1 to 8, wherein the battery pack case body and the battery pack case cover jointly enclose a cavity, and each battery module is located in the cavity.
10. An automobile comprising a body and the battery pack of claim 9 attached to the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492317.1A CN115312933A (en) | 2021-05-06 | 2021-05-06 | Battery package box, battery package and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492317.1A CN115312933A (en) | 2021-05-06 | 2021-05-06 | Battery package box, battery package and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115312933A true CN115312933A (en) | 2022-11-08 |
Family
ID=83853163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110492317.1A Pending CN115312933A (en) | 2021-05-06 | 2021-05-06 | Battery package box, battery package and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115312933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115995651A (en) * | 2023-02-21 | 2023-04-21 | 江苏正力新能电池技术有限公司 | Battery pack and electricity utilization device |
-
2021
- 2021-05-06 CN CN202110492317.1A patent/CN115312933A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115995651A (en) * | 2023-02-21 | 2023-04-21 | 江苏正力新能电池技术有限公司 | Battery pack and electricity utilization device |
| CN115995651B (en) * | 2023-02-21 | 2024-05-17 | 江苏正力新能电池技术有限公司 | Battery pack and electricity utilization device |
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