CN210403849U - Tray, battery package box and vehicle - Google Patents
Tray, battery package box and vehicle Download PDFInfo
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- CN210403849U CN210403849U CN201921640116.6U CN201921640116U CN210403849U CN 210403849 U CN210403849 U CN 210403849U CN 201921640116 U CN201921640116 U CN 201921640116U CN 210403849 U CN210403849 U CN 210403849U
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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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Abstract
The utility model belongs to the technical field of the battery package, especially, relate to a tray, battery package box and vehicle, this tray include bottom plate and frame, the bottom plate includes lower floor's bottom plate and fixes heating plate on the bottom plate of lower floor, outward flange fixed connection or the integrative formation of lower floor's bottom plate are in the bottom of frame, the heating plate is used for placing the electric core bottom surface heating of the battery module in the tray. According to the utility model discloses tray, bottom plate are the bilayer structure who comprises lower floor's bottom plate and heating plate. The double-layer structure has better protection to the battery core of the battery pack, the heating sheet is integrated on the lower-layer bottom plate, the weight of the battery pack box body can be reduced, and the internal space of the battery pack box body is saved.
Description
Technical Field
The utility model belongs to the technical field of the battery package, especially, relate to a tray, battery package box and vehicle.
Background
At present, all can be equipped with heating device in the battery package, heating device and battery box are as two kinds of parts usually, and both are in the same place through the mutual assembly of connecting piece, and heating device can provide necessary heating for power battery system when low temperature operational environment, guarantees that the battery can normally work.
For example, a conventional battery box with a heating device includes a box for placing a battery module, and the heating device is disposed between the battery module and the box and respectively adhered to the battery module and the box.
The existing battery box body with the heating device increases the weight of the whole battery pack and occupies more space inside the battery pack.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to current battery box of taking heating device, increased the weight of whole battery package, occupied the problem of the more space of battery burden inside, provide a tray, battery package box and vehicle.
In order to solve the technical problem, on the one hand, the embodiment of the utility model provides a tray, including bottom plate and frame, the bottom plate includes lower floor's bottom plate and fixes heating plate on the bottom plate of lower floor, outward flange fixed connection or the integrative formation of lower floor's bottom plate are in the bottom of frame, the heating plate is used for placing the electric core bottom surface heating of the battery module in the tray.
Optionally, one heating sheet is arranged, and the top surface of the heating sheet covers the bottom surface of the battery module; in the alternative, the first and second sets of the first,
the width direction of heating plate edge tray is provided with a plurality ofly, and is a plurality of the heating plate is connected side by side, and is a plurality of the top surface of heating plate makes up into the heating surface, the heating surface covers the bottom surface of battery module.
Optionally, the heating plate comprises a heat sink and a heating element connected to the bottom surface of the heat sink, the top surface of the heat sink faces the bottom surface of the battery module, and the heating element heats the bottom surface of the battery core of the battery module through the heat sink;
be provided with the constant head tank that extends along its length direction on the top surface of lower floor's bottom plate, heating element inlays in the constant head tank, heating element's bottom surface with the tank bottom contact or the interval of constant head tank.
Optionally, the lower bottom plate includes a flat plate portion and a plurality of support ribs protruding upward from a top surface of the flat plate portion, and both sides of the heat dissipation fin in the width direction are respectively supported on the support ribs.
Optionally, the lower bottom plate further includes a mounting rib protruding upward from the top surface of the flat plate portion, the mounting rib includes a first rib and a second rib arranged at an interval, and the positioning groove is formed between the first rib and the second rib; the mounting ribs are positioned in the middle of two adjacent support ribs, and the top surfaces of the first ribs, the second ribs and the support ribs are in the same plane.
Optionally, the heating plate is provided with a plurality ofly along the width direction of tray side by side, the constant head tank is followed the width direction interval of lower floor's bottom plate is provided with a plurality ofly, each the heating element of heating plate inlays correspondingly in the constant head tank.
Optionally, the frame is a rectangular frame, the frame includes a front frame, a rear frame, a left frame and a right frame, and the front frame, the left frame, the right frame and the rear frame are all extruded sections;
the front end of the left frame is connected with the left end of the front frame, the rear end of the left frame is connected with the left end of the rear frame, the front end of the right frame is connected with the right end of the front frame, the rear end of the right frame is connected with the right end of the rear frame, the front side edge of the lower bottom plate is welded with the bottom of the front frame, the rear side edge of the lower bottom plate is welded with the bottom of the rear frame, the left side edge of the lower bottom plate is welded with the bottom of the left frame, and the right side edge of the lower bottom plate is welded with the bottom of the right frame;
the bottom surface of the front frame, the bottom surface of the rear frame, the bottom surface of the left frame and the bottom surface of the right frame are in the same plane.
Optionally, the front frame includes a front frame main body portion and a front bottom support portion connected to a bottom side of a rear side surface of the front frame main body portion, and a front side of the lower bottom plate is welded to the front bottom support portion;
the rear frame comprises a rear frame main body part and a rear bottom support part connected to the bottom side of the front side surface of the rear frame main body part, and the rear side of the lower bottom plate is welded on the rear bottom support part;
the left frame comprises a left frame main body part and a left bottom support part connected to the bottom side of the right side face of the left frame main body part, and the left side of the lower bottom plate is welded on the left bottom support part;
the right frame comprises a right frame main body part and a right bottom support part connected to the bottom side of the left side surface of the right frame main body part, and the right side of the lower-layer bottom plate is welded on the right bottom support part;
the top surface of the heating plate, the top surface of the front bottom support part, the top surface of the rear bottom support part, the top surface of the left bottom support part and the top surface of the right bottom support part are in the same plane.
Optionally, the bottom surface rear side of preceding base portion is provided with lower floor's bottom plate front side mounting groove, the bottom surface front side of back base portion is provided with lower floor's bottom plate rear side mounting groove, the bottom surface right side of left side base portion is provided with lower floor's bottom plate left side mounting groove, the bottom surface left side of right side base portion is provided with lower floor's bottom plate right side mounting groove, lower floor's bottom plate front side mounting groove, lower floor's bottom plate left side mounting groove, lower floor's bottom plate rear side mounting groove and lower floor's bottom plate right side mounting groove meet in order to constitute the rectangle mounting groove, lower floor's bottom plate is the rectangle, the outward.
Optionally, the tray further includes a front hanging lug part connected to the front side surface of the front frame main body part, a rear hanging lug part connected to the rear side surface of the rear frame main body part, a left hanging lug part connected to the left side surface of the left frame main body part, and a right hanging lug part connected to the right side surface of the right frame main body part, and the front hanging lug part, the rear hanging lug part, the left hanging lug part, and the right hanging lug part are all extruded sections;
the sections of the front hanging lug part, the rear hanging lug part, the left hanging lug part and the right hanging lug part are in a shape like the Chinese character 'ri'.
Optionally, a first reinforcing rib structure is arranged in the inner cavity of the front frame main body part, and the inner cavity of the front frame main body part is divided into a plurality of first cavities by the first reinforcing rib structure;
a second reinforcing rib structure is arranged in the inner cavity of the rear frame main body part, and divides the inner cavity of the rear frame main body part into a plurality of second cavities;
a third reinforcing rib structure is arranged in the inner cavity of the left frame main body part, the third reinforcing rib structure divides the inner cavity of the left frame main body part into a plurality of third cavities, a first pressure relief hole communicated with the third cavities is formed in the inner side of the left frame main body part, and the third cavities are communicated with the outside through first pressure relief devices;
the frame comprises a right frame main body part and is characterized in that a fourth reinforcing rib structure is arranged in an inner cavity of the right frame main body part, the fourth reinforcing rib structure divides the inner cavity of the right frame main body part into a plurality of fourth cavities, a second pressure relief hole communicated with the fourth cavities is formed in the inner side of the right frame main body part, and the second cavities are communicated with the outside through second pressure relief devices.
Optionally, the first reinforcing rib structure includes at least one first vertical reinforcing rib, at least one first diagonal rib and at least one first horizontal reinforcing rib, the at least one first vertical reinforcing rib is vertically staggered with the at least one first horizontal reinforcing rib to divide the inner cavity of the front frame main body into a plurality of first rectangular cavities, the first diagonal rib intersects with the first vertical reinforcing rib and the first horizontal reinforcing rib to divide part of the first rectangular cavities into first triangular cavities, and the front lifting lug part is connected to the front side surface of the front frame main body at a position corresponding to the first triangular cavities;
the second reinforcing rib structure comprises at least one second vertical reinforcing rib, at least one second inclined rib and at least one second horizontal reinforcing rib, the at least one second vertical reinforcing rib is vertically staggered with the at least one second horizontal reinforcing rib so as to divide the inner cavity of the rear frame main body part into a plurality of second rectangular cavities, the second inclined rib is intersected with the second vertical reinforcing rib and the second horizontal reinforcing rib so as to divide part of the second rectangular cavities into second triangular cavities, and the rear lifting lug part is connected to the rear side surface of the rear frame main body part at a position corresponding to the second triangular cavities;
the third reinforcing rib structure comprises at least one third vertical reinforcing rib, at least one third oblique rib and at least one third horizontal reinforcing rib, the at least one third vertical reinforcing rib is vertically staggered with the at least one third horizontal reinforcing rib so as to divide the inner cavity of the left frame main body part into a plurality of third rectangular cavities, the third oblique rib is intersected with the third vertical reinforcing rib and the third horizontal reinforcing rib so as to divide part of the third rectangular cavities into third triangular cavities, and the left lifting lug part is connected to the position, corresponding to the third triangular cavities, of the left side surface of the left frame main body part;
the fourth reinforcing rib structure comprises at least one fourth vertical reinforcing rib, at least one fourth oblique rib and at least one fourth horizontal reinforcing rib, the at least one fourth vertical reinforcing rib is vertically staggered with the at least one fourth horizontal reinforcing rib so as to divide the inner cavity of the right frame main body part into a plurality of fourth rectangular cavities, the fourth oblique rib is intersected with the fourth vertical reinforcing rib and the fourth horizontal reinforcing rib so as to divide part of the fourth rectangular cavities into fourth triangular cavities, and the right lifting lug part is connected to the position, corresponding to the fourth triangular cavities, of the right side surface of the right frame main body part.
Optionally, the top surface rear side of preceding frame main part is provided with upper cover front side installation face, the top surface front side of back frame main part is provided with upper cover rear side installation face, the top surface right side of the frame main part on the left is provided with upper cover left side installation face, the top surface left side of the frame main part on the right is provided with upper cover right side installation face, upper cover front side installation face, upper cover left side installation face, upper cover rear side installation face and upper cover right side installation face are the ladder face, upper cover front side installation face, upper cover left side installation face, upper cover rear side installation face and upper cover right side installation face meet in order to constitute the upper cover installation face of ladder shape, upper cover installation face is used for installing the upper cover of battery package.
On the other hand, the embodiment of the utility model provides a battery package box, including upper cover and foretell tray, the outward flange of upper cover is connected on the top surface of frame, with the upper cover with the inboard space of placing battery module that forms of tray.
According to the utility model discloses tray and battery package box, the bottom plate is the bilayer structure who comprises lower floor's bottom plate and heating plate. The double-layer structure has better protection to the battery core of the battery pack, the heating sheet is integrated on the lower-layer bottom plate, the weight of the battery pack box body can be reduced, and the internal space of the battery pack box body is saved.
In another aspect, an embodiment of the present invention further provides a vehicle, which includes the above-mentioned tray.
Drawings
Fig. 1 is a perspective view of a tray of a battery pack case according to an embodiment of the present invention;
fig. 2 is an exploded view of a tray of a battery pack case according to an embodiment of the present invention;
fig. 3 is a perspective view of a lower bottom plate of a battery pack case according to an embodiment of the present invention;
fig. 4 is a perspective view of a heating plate of a tray according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a front frame of a tray of a battery pack case according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of a rear frame of a tray of a battery pack case according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a left side frame of a tray of a battery pack case according to an embodiment of the present invention;
fig. 8 is a cross-sectional view of a right frame of a tray of a battery pack case according to an embodiment of the present invention;
fig. 9 is a cross-sectional view of a battery pack case according to an embodiment of the present invention;
FIG. 10 is an enlarged view taken at a in FIG. 9;
fig. 11 is an enlarged view at b in fig. 3.
The reference numerals in the specification are as follows:
1. an upper cover;
2. a tray; 21. a lower floor; 211. positioning a groove; 212. a flat plate portion; 213. supporting ribs; 214. installing ribs; 2141. a first rib; 2142. a second rib; 22. a heating plate; 221. a heat sink; 222. a heating element; 23. a front frame; 231. a front frame main body part; 2311. a first stiffener structure; 23111. a first vertical reinforcing rib; 23112. a first diagonal rib; 23113. a first horizontal reinforcing rib; 2312. a first cavity; 2313. an upper cover front side mounting surface; 232. a front base portion; 2321. the front side of the lower bottom plate is provided with a mounting groove; 24. a rear frame; 241. a rear frame main body portion; 2411. a second stiffener structure; 24111. a second vertical reinforcing rib; 24112. a second diagonal rib; 24113. a second horizontal reinforcing rib; 2412. a second cavity; 2413. an upper cover rear side mounting surface; 242. a rear bottom support part; 2421. a lower floor back side mounting groove; 25. a left frame; 251. a left frame main body part; 2511. a third rib structure; 25111. a third vertical reinforcing rib; 25112. a third diagonal rib; 25113. a third horizontal reinforcing rib; 2512. a third cavity; 2513. a first pressure relief vent; 2514. an upper cover left side mounting surface; 252. a left base portion; 2521. a lower floor left side mounting groove; 26. a right frame; 261. a right frame main body portion; 2611. a fourth reinforcing rib structure; 26111. a fourth vertical reinforcing rib; 26112. a fourth diagonal rib; 26113. a fourth horizontal reinforcing rib; 2612. a fourth cavity; 2613. a second pressure relief vent; 2614. an upper cover right side mounting surface; 262. a right base portion; 2621. a mounting groove at the right side of the lower bottom plate; 27. front suspension ear parts; 28. a rear lifting lug part; 29. a left suspension ear part; 210. and (5) hanging the ear part on the right.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The front, rear, left, and right are defined herein for convenience of description, and reference may be made to fig. 1. After the vehicle is actually loaded, the custom orientation may be the same as or different from the vehicle coordinate system orientation, for example, the custom orientation is opposite to the vehicle coordinate system orientation (i.e., the front and back of the custom orientation correspond to the left and right of the vehicle coordinate system orientation). Hereinafter, the longitudinal direction is the front-rear direction, and the width direction is the left-right direction.
As shown in fig. 1 to 11, the battery pack case provided by the embodiment of the present invention includes an upper cover 1 and a tray 2.
The lower floor 21 and the frame are two pieces, and the heating sheet 22 can be integrated in the lower floor 21 to form the floor, and then the floor is integrally connected to the frame. Thus, the installation and maintenance of the heating plate are more facilitated.
In some alternatives, the outer edge of the lower floor 21 may be integrally formed at the bottom of the rim. Namely, the lower floor 21 and the frame are formed as an integral structure to simplify the assembly.
According to the utility model discloses tray 2 and battery package box, the bottom plate is the bilayer structure who comprises lower floor's bottom plate 21 and heating plate 22. The double-layer structure can well protect the battery core of the battery pack, the heating plate 22 is integrated on the lower-layer bottom plate 21, the weight of the battery pack box body can be reduced, and the internal space of the battery pack box body is saved.
The bottom surface of the battery core of the battery module is bonded with the top surface of the heating plate 22 through insulating heat-conducting glue. To satisfy joint strength while ensuring insulation.
Preferably, the lower bottom plate 21 is a single-layer aluminum plate, which can reduce the weight of the bottom plate while satisfying the structural strength. For example, the lower base plate 21 may be a single-layer aluminum extrusion plate.
The plurality of heating sheets 22 (e.g., 4 heating sheets in fig. 1) are arranged in the width direction of the tray, the plurality of heating sheets 22 are connected side by side, and the top surfaces of the plurality of heating sheets 22 are combined to form a heating surface which covers the bottom surface of the battery module. The bottom surface of battery module is formed by the combination of the electric core bottom surface of battery module.
The length of the heating surface is equal to or slightly less than that of the lower base plate 21, and the width of the heating surface is equal to or slightly less than that of the lower base plate 21, so that the plurality of heating sheets 22 can rapidly heat the whole battery pack.
In one embodiment, the heating plate 22 includes a heat sink 221 and a heating element 222 connected to a bottom surface of the heat sink 221, a top surface of the heat sink 221 faces a bottom surface of the battery module, and the heating element 222 heats a cell bottom surface of the battery module through the heat sink 221; the top surface of the lower bottom plate 21 is provided with a positioning groove 211 extending along the length direction thereof, and the heating element 222 is embedded in the positioning groove 221. Thus, the heating plate 22 is supported and positioned well.
The heat sink 221 is a flat plate made of aluminum. Light weight and good thermal conductivity. The heater chip 22 may be a PTC (thermistor) heater chip, i.e., the heating element 222 is a PTC. The PTC heating plate has simple structure and uniform temperature control.
In one embodiment, the lower base plate 21 includes a flat plate portion 212 and a plurality of support ribs 213 protruding upward from a top surface of the flat plate portion 212, and both sides of the heat sink 221 in the width direction are respectively supported on the support ribs 213. Preferably, the top surface of the support rib 213 is a flat surface.
The heating plate 22 is welded with the lower bottom plate 21 through the support ribs 213, and plays a role in connecting and reinforcing the bottom structure of the tray 2.
In an embodiment, the lower bottom plate 21 further includes a mounting rib 214 protruding upward from the top surface of the flat plate portion 212, the mounting rib 214 includes a first rib 2141 and a second rib 2142 arranged at intervals, the first rib 2141 and the second rib 2142 extend along a length direction of the lower bottom plate, and the positioning groove 211 is formed between the first rib 2141 and the second rib 2142; the mounting rib 214 is located at the middle position of two adjacent support ribs 213. Preferably, top surfaces of the first ribs 2141 and the second ribs 2142 are flat surfaces, and the top surfaces of the first ribs 2141, the top surfaces of the second ribs 2142, and the top surfaces of the support ribs 213 are in the same plane. Thus, the heating sheet 22 is horizontally supported.
The installation rib 214 is flush with the supporting rib 213 in height (the positioning groove 211 is flush with the supporting rib 213 in height), the bottom surface of the heating element 222 contacts with the bottom of the positioning groove 211, so that the bottom of the tray 2 is supported by the bottom of the heating element.
However, in other alternative embodiments, the bottom surface of the heating element 222 and the bottom of the positioning slot 211 may be spaced apart. The gap between the bottom surface of the heating element 222 and the bottom of the positioning groove 211 may further be added with a heat insulating material so that heat is conducted to the battery module as much as possible.
The positioning grooves 211 are spaced apart from each other in the width direction of the lower base plate 21, and the heating element 222 of each heating sheet 22 is embedded in the corresponding positioning groove 211.
The frame is a rectangular frame, the frame comprises a front frame 23, a rear frame 24, a left frame 25 and a right frame 26, and the front frame 23, the left frame 24, the right frame 25 and the rear frame 26 are all extruded sections, such as aluminum extruded sections. The bottom surface of the front frame 23, the bottom surface of the rear frame 24, the bottom surface of the left frame 25, and the bottom surface of the right frame 26 are in the same plane. So as to ensure the consistency of ground clearance at each position of the frame.
The front end of left side frame 25 with the left end of preceding frame 23 is connected, the rear end of left side frame 25 with the left end of back frame 24 is connected, the front end of right side frame 26 with the right-hand member of preceding frame 23 is connected, the rear end of right side frame 26 with the right-hand member of back frame 24 is connected, the front side edge of lower floor's bottom plate 21 with the bottom welding of preceding frame 23, the rear side edge of lower floor's bottom plate 21 with the bottom welding of back frame 24, the left side edge of lower floor's bottom plate 21 with the bottom welding of left side frame 25, the right side edge of lower floor's bottom plate 21 with the bottom welding of right side frame 26.
As shown in fig. 1, the left and right ends of the front frame 23, the left and right ends of the rear frame 24, the front and rear ends of the left frame 25, and the front and rear ends of the right frame 26 are provided with chamfered corners, and the frames are butt-welded by the chamfered corners. Both guaranteed welding strength, also made each frame can the parallel and level.
Preferably, the front frame 23, rear frame 24, left frame 25 and right frame 26 are each a single extruded profile (e.g., a single aluminum extruded profile). The manufacturing and assembling process is further simplified, and the cost is saved. The mother profiles (blanks) of the front frame 23, the rear frame 24, the left frame 25 and the right frame 26 have the same section in the length direction, and the finished products of the front frame 23, the rear frame 24, the left frame 25 and the right frame 26 with the required shapes and structures can be obtained through later machining.
However, it is within the scope of the present invention that at least one of the front frame 23, the rear frame 24, the left frame 25, and the right frame 26 be formed by splicing a plurality of short extruded profiles (e.g., a plurality of short aluminum extruded profiles).
The specific structures of the front frame 23, the rear frame 24, the left frame 25 and the right frame 26 are described in detail below with reference to fig. 5 to 8.
As shown in fig. 5, the front bezel 23 includes a front bezel main body 231 and a front bottom bracket 232 connected to a bottom side of a rear side surface of the front bezel main body 231, and a front side of the lower floor panel 21 is welded to the front bottom bracket 232. A first rib structure 2311 is provided in the inner cavity of the front frame main body 231, and the first rib structure 2311 divides the inner cavity of the front frame main body 231 into a plurality of first cavities 2312.
Preceding collet portion 232 forms the bearing to the battery package jointly with the welding of lower floor's bottom plate 21, and the advantage that preceding collet portion 232 extrudes with preceding frame main part 231 is integrative is, can avoid the phenomenon of the stress concentration that the welding leads to.
The female profile of the front frame 23 has a single cross-sectional shape as shown in fig. 5, and then the female profile is machined to form a finished product of the front frame 23, so that the risk of welding failure is reduced, and the reliability of parts is improved.
The pallet 2 further comprises a front lifting lug part 27 connected to the front side surface of the front frame main body part 231, the front lifting lug part 27 is an extruded section (e.g., an aluminum extruded section), and the cross section of the front lifting lug part 27 is in a shape of Chinese character 'ri'. Preceding frame main part 231 and preceding lug portion 27 welding, and the horizontal strengthening rib that sets up in the middle of preceding lug portion 27 can improve preceding frame 23 anti horizontal extrusion ability, better protective frame inner structure. The front ear portion 27 is connected to the vehicle body.
Preferably, as shown in fig. 5, the first rib structure 2311 includes at least one first vertical rib 23111, at least one first diagonal rib 23112 and at least one first horizontal rib 23113, and the at least one first vertical rib 23111 is vertically staggered with respect to the at least one first horizontal rib 23113 to divide the inner cavity of the front frame main body 231 into a plurality of first rectangular cavities, so that the pressing force and the vertical vibration perpendicular to the front frame 23 can be better received.
The first diagonal rib 23112 intersects the first vertical reinforcing rib 23111 and the first horizontal reinforcing rib 23113 to divide a portion of the first rectangular cavity into first triangular cavities, and the front hanger part 27 is connected to the front side surface of the front frame main body 231 at a position corresponding to the first triangular cavities. This makes the front rim 23 stronger and has a strong anti-extrusion effect.
From the top view, the cross-sectional shape of the front suspension lug part 27 is a trapezoid with a narrow outside and a wide inside, so that the front suspension lug part 27 can better transmit force when being squeezed, and a good supporting effect is achieved.
Preferably, the rear frame 24 is constructed to be symmetrical with the front frame 23 in the front-rear direction.
As shown in fig. 6, the rear frame 24 includes a rear frame main body portion 241 and a rear bottom support portion 242 connected to the bottom side of the front side surface of the rear frame main body portion 241, and the rear side of the lower chassis 21 is welded to the rear bottom support portion 242. A second reinforcing rib structure 2411 is arranged in the inner cavity of the rear frame main body part 241, and the second reinforcing rib structure 2411 divides the inner cavity of the rear frame main body part 241 into a plurality of second cavities 2412.
The rear bottom support part 242 and the lower bottom plate 21 are welded together to support the battery pack, and the rear bottom support part 242 and the rear frame body 241 are integrally extruded, so that the phenomenon of stress concentration caused by welding can be avoided.
The female profile of the rear frame 24 has a single cross-sectional shape as shown in fig. 6, and then the female profile is machined to form a finished product of the rear frame 24, so that the risk of welding failure is reduced, and the reliability of parts is improved.
The tray 2 further includes a rear lifting lug 28 connected to a rear side surface of the rear frame main body portion 241, the rear lifting lug 28 is an extruded profile (e.g., an aluminum extruded profile), and a cross section of the rear lifting lug 28 is in a shape of a Chinese character 'ri'. The rear frame main body part 241 is welded with the rear lifting lug part 28, and the transverse reinforcing ribs arranged in the middle of the rear lifting lug part 28 can improve the transverse extrusion resistance of the rear frame 24 and better protect the internal structure of the frame. The rear ear portion 28 is connected to the vehicle body.
Preferably, as shown in fig. 6, the second stiffener structure 2411 includes at least one second vertical stiffener 24111, at least one second tilted stiffener 24112 and at least one second horizontal stiffener 24113, and the at least one second vertical stiffener 24111 is vertically staggered with the at least one second horizontal stiffener 24113 to divide the inner cavity of the rear frame main body 241 into a plurality of second rectangular cavities, so as to better withstand the pressing force and the vertical vibration perpendicular to the rear frame 24.
The second tilted rib 24112 intersects with the second vertical reinforcing rib 24111 and the second horizontal reinforcing rib 24113 to divide part of the second rectangular cavity into a second triangular cavity, and the rear lifting lug 28 is connected to the rear side surface of the rear frame main body portion 241 at a position corresponding to the second triangular cavity. Therefore, the strength of the rear frame is stronger, and the anti-extrusion effect is very strong.
From a top view, the cross section of the rear lifting lug part 28 is in a trapezoid shape with a narrow outside and a wide inside, so that the rear lifting lug part can better transmit force when being squeezed, and a good supporting effect is achieved.
As shown in fig. 7, the left frame 25 includes a left frame main body 251 and a left bottom mounting portion 252 connected to the bottom side of the right side surface of the left frame main body 251, and the left side of the lower bottom plate 21 is welded to the left bottom mounting portion 252. A third rib structure 2511 is disposed in the inner cavity of the left frame main body portion 251, and the third rib structure 2511 divides the inner cavity of the left frame main body portion 251 into a plurality of third cavities 2512. A first pressure relief hole 2513 communicating with the third cavity 2512 is provided inside the left frame body 251, and the third cavity 2512 communicates with the outside through a first pressure relief device (e.g., a pressure relief valve). Preferably, the third cavity 2512, which communicates with the first relief hole 2513, is a third rectangular cavity described below. Preferably, a row of first pressure relief holes 2513 is provided along the entire length of the left bezel body portion 251.
When extreme condition takes place for the electric core at battery module, battery package pressure increases suddenly, and first pressure relief device opens, and pressure releases to the battery package outside through first pressure release hole 2513, third die cavity 2512 and first pressure relief device, has improved the security of battery package.
The left bottom support part 252 and the lower floor 21 are welded together to form a support for the battery pack, and the left bottom support part 252 and the left frame body 251 are integrally extruded to avoid the phenomenon of stress concentration caused by welding.
The female profile of the left frame 25 has a single cross-sectional shape as shown in fig. 7, and then the female profile is machined to form a finished product of the left frame 25, so that the risk of welding failure is reduced, and the reliability of parts is improved.
The tray 2 further includes a left hanging ear portion 29 connected to the left side surface of the left frame main body portion 251, the left hanging ear portion 29 is an extruded section (e.g., an aluminum extruded section), and the cross section of the left hanging ear portion 29 is in a shape of a Chinese character ri. The left frame main body part 251 is welded with the left lifting lug part 29, and the transverse reinforcing ribs arranged in the middle of the left lifting lug part 29 can improve the transverse extrusion resistance of the left frame 25 and better protect the internal structure of the frame. The left ear portion 29 is connected to the vehicle body.
Preferably, as shown in fig. 7, the third bead structure 2511 includes at least one third vertical bead 25111, at least one third diagonal bead 25112 and at least one third horizontal bead 25113, and at least one third vertical bead 25111 is vertically staggered with at least one third horizontal bead 25113 to divide the inner cavity of the left frame main body 251 into a plurality of third rectangular cavities, so as to better withstand the pressing force perpendicular to the left frame 25 and the vibration in the vertical direction.
The third diagonal bead 25112 intersects the third vertical bead 25111 and the third horizontal bead 25113 to divide part of the third rectangular cavity into a third triangular cavity, and the left ear portion 29 is connected to the left side of the left frame main body portion 251 at a position corresponding to the third triangular cavity. Thus, the left frame 25 has stronger strength and strong anti-extrusion effect.
From a top view, the cross section of the left suspension ear part 29 is in a trapezoid shape with a narrow outside and a wide inside, so that the left suspension ear part 29 can better transmit force when being pressed, and a good supporting effect is achieved.
Preferably, the structure of the right frame 26 is left-right symmetrical to the left frame 25.
As shown in fig. 8, the right frame 26 includes a right frame body portion 261 and a right bottom receiving portion 262 connected to the bottom side of the left side surface of the right frame body portion 261, and the right side of the lower bottom plate 21 is welded to the right bottom receiving portion 262. A fourth rib structure 2611 is provided in the inner cavity of the right frame body portion 261, and the fourth rib structure 2611 divides the inner cavity of the right frame body portion 261 into a plurality of fourth cavities 2612. A second relief hole 2613 communicating with the fourth cavity 2612 is provided inside the right frame body portion 261, and the fourth cavity 2612 communicates with the outside through a second relief device (e.g., a relief valve). The fourth cavity communicated with the second pressure relief hole 2613 is a fourth rectangular cavity described below. Preferably, a row of the second relief holes 2613 is provided along the entire length of the left frame body portion 251.
When extreme condition takes place for the electric core at battery module, battery package pressure increases suddenly, and second pressure relief device opens, and pressure releases to the battery package outside through second pressure release hole 2613, fourth die cavity 2612 and second pressure relief device, has improved the security of battery package.
The right collet portion 262 and the lower floor 21 weld together to form the support for the battery pack, and the right collet portion 262 and the right frame body 261 together extrude the benefit of, can avoid the phenomenon of stress concentration that the welding leads to.
The female profile of the right frame 26 has a single cross-sectional shape as shown in fig. 8, and then the female profile is machined to form a finished right frame 26, so that the risk of welding failure is reduced, and the reliability of parts is improved.
The tray 2 further includes a right lifting lug portion 210 connected to a right side surface of the right frame main body portion 262, the right lifting lug portion 210 is an extruded profile (e.g., an aluminum extruded profile), and a cross section of the right lifting lug portion 210 is in a shape of a Chinese character 'ri'. Right frame main part 261 and right lifting lug portion 210 welding, and the horizontal strengthening rib that sets up in the middle of right lifting lug portion 210 can improve the anti horizontal extrusion ability of right frame 26, better protective frame inner structure. The right ear portion 210 is connected to the vehicle body.
Preferably, as shown in fig. 8, the fourth rib structure 2611 includes at least one fourth vertical rib 26111, at least one fourth tilted rib 26112 and at least one fourth horizontal rib 26113, and the at least one fourth vertical rib 26111 is vertically staggered with the at least one fourth horizontal rib 26113 to divide the inner cavity of the right frame main body portion 261 into a plurality of fourth rectangular cavities, so as to better withstand the pressing force perpendicular to the right frame 26 and the vibration in the vertical direction.
The fourth diagonal rib 26112 intersects the fourth vertical reinforcing rib 26111 and the fourth horizontal reinforcing rib 26113 to divide a part of the fourth rectangular cavity into fourth triangular cavities, and the right hanger part 210 is connected to a right side surface of the right frame main body part 261 at a position corresponding to the fourth triangular cavities. This makes the right rim 26 stronger and has a strong anti-extrusion effect.
From a top view, the cross section of the right lifting lug part 210 is in a trapezoid shape with a narrow outside and a wide inside, so that the right lifting lug part 210 can better transmit force when being squeezed, and a good supporting effect is achieved.
Preferably, the bottom surface rear side of the front bottom support portion 232 is provided with a lower bottom plate front side mounting groove 231, the bottom surface front side of the rear bottom support portion 242 is provided with a lower bottom plate rear side mounting groove 2421, the bottom surface right side of the left bottom support portion 252 is provided with a lower bottom plate left side mounting groove 2521, the bottom surface left side of the right bottom support portion 262 is provided with a lower bottom plate right side mounting groove 2621, the lower bottom plate front side mounting groove 2321, the lower bottom plate left side mounting groove 2521, the lower bottom plate rear side mounting groove 2421 and the lower bottom plate right side mounting groove 2621 are sequentially connected to form a rectangular mounting groove, the lower bottom plate 21 is rectangular, and the outer edge of the lower bottom plate 21 is inlaid and welded in the. The bottom surface of the lower bottom plate 21 is not higher than the lowest position of the bottom surface of the frame. That is, the bottom surface of the lower base plate 21 is flush with the bottom surface of the bezel or the bottom surface of the lower base plate 21 is lower than the bottom surface of the bezel. Thus, the ground clearance of the battery pack can be ensured.
Preferably, the front side of the lower floor plate 21 is welded to the bottom surface of the front shoe portion 232, the rear side of the lower floor plate 21 is welded to the bottom surface of the rear shoe portion 242, the left side of the lower floor plate 21 is welded to the bottom surface of the left shoe portion 252, and the right side of the lower floor plate 21 is welded to the bottom surface of the right shoe portion 262. Therefore, the bottom surface of the battery pack can be flat, and the battery pack is convenient to mount.
The lower floor front side mounting groove 2321, the lower floor left side mounting groove 2521, the lower floor rear side mounting groove 2421 and the lower floor right side mounting groove 2621 are "L" type structures, if "L" type structure is not set up, but directly weld with the lower floor 21 at the inboard corner of the bottom surface of each part of frame, then the stress concentration phenomenon of corner produces very big influence to the weld joint, increases the risk of failure. The rectangular mounting groove formed by the lower bottom plate front side mounting groove 2321, the lower bottom plate left side mounting groove 2521, the lower bottom plate rear side mounting groove 2421 and the lower bottom plate right side mounting groove 2621 is embedded with the outer edge of the lower bottom plate 21, so that the positioning effect is achieved, the welding process is simplified, and the welding quality is improved.
Further, a top cover front mounting surface 2313 is provided on the top surface rear side of the front frame body 231, a top cover rear mounting surface 2413 is provided on the top surface front side of the rear frame body 241, a top cover left mounting surface 2514 is provided on the top surface right side of the left frame body 251, a top cover right mounting surface 2614 is provided on the top surface left side of the right frame body 261, the top cover front mounting surface 2313, the top cover left mounting surface 2514, the top cover rear mounting surface 2413 and the top cover right mounting surface 2614 are all stepped surfaces, the top cover front mounting surface 2313, the top cover left mounting surface 2514, the top cover rear mounting surface 2413 and the top cover right mounting surface 2614 are sequentially connected to form a stepped top cover mounting surface, and the top cover mounting surface is used for mounting the top cover 1 of the battery pack. Preferably, the upper cover 1 is rectangular, the upper cover mounting surface is rectangular ring-shaped, and the rectangular outer edge of the upper cover 1 is embedded on the stepped upper cover mounting surface.
The upper cover 1 is sealed by gluing to the top surface of the front frame 23 (upper cover front side mounting surface 2313), the top surface of the rear frame 24 (upper cover rear side mounting surface 2413), the top surface of the left frame 25 (upper cover left side mounting surface 2514), and the top surface of the right frame 26 (upper cover right side mounting surface 261). The upper cover front side mounting surface 2313, the upper cover left side mounting surface 2514, the upper cover rear side mounting surface 2413 and the upper cover right side mounting surface 2614 are all stepped surfaces with L-shaped stepped surfaces, so that the sealing area of the upper cover 1 and the frame adhesive is increased, and the sealing performance of the battery pack is improved.
In the above embodiment, the front frame 23 and the rear frame 24 have a front-rear symmetrical structure. However, in some embodiments, an asymmetric configuration may also be employed.
In the above embodiment, the left frame 25 and the right frame 26 are bilaterally symmetric. However, in some embodiments, an asymmetric configuration may also be employed.
In other embodiments, if the battery pack is small, a single heat sink may be used, in which case the top surface of the single heat sink (the top surface of the heat sink) covers the bottom surface of the battery module.
The number of the heating sheets is reasonably designed according to the size of the battery pack, the heating requirement and the like.
In addition, the embodiment of the utility model provides a still provide a vehicle, its tray that includes above-mentioned embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (15)
1. The tray is characterized by comprising a bottom plate and a frame, wherein the bottom plate comprises a lower-layer bottom plate and a heating sheet fixed on the lower-layer bottom plate, the outer edge of the lower-layer bottom plate is fixedly connected with or integrally formed at the bottom of the frame, and the heating sheet is used for heating the bottom surface of a battery cell of a battery module in the tray.
2. The tray according to claim 1, wherein the heating sheet is provided with one, and a top surface of the heating sheet covers a bottom surface of the battery module; in the alternative, the first and second sets of the first,
the width direction of heating plate edge tray is provided with a plurality ofly, and is a plurality of the heating plate is connected side by side, and is a plurality of the top surface of heating plate makes up into the heating surface, the heating surface covers the bottom surface of battery module.
3. The tray of claim 1, wherein the heating plate comprises a heat sink and a heating element connected to the bottom surface of the heat sink, the top surface of the heat sink faces the bottom surface of the battery module, and the heating element heats the bottom surface of the battery cell of the battery module through the heat sink;
be provided with the constant head tank that extends along its length direction on the top surface of lower floor's bottom plate, heating element inlays in the constant head tank, heating element's bottom surface with the tank bottom contact or the interval of constant head tank.
4. The tray according to claim 3, wherein the lower floor includes a flat plate portion and a plurality of support ribs projecting upward from a top surface of the flat plate portion, and both widthwise sides of the heat radiating fins are supported on the support ribs, respectively.
5. The tray of claim 4, wherein the lower floor further comprises a mounting rib projecting upwardly from the top surface of the plate portion, the mounting rib comprising first and second spaced apart ribs, the positioning slot being formed between the first and second ribs; the mounting ribs are positioned in the middle of two adjacent support ribs, and the top surfaces of the first ribs, the second ribs and the support ribs are in the same plane.
6. The tray of claim 3, wherein the heating plates are arranged in a plurality of rows along the width direction of the tray, the positioning grooves are arranged in a plurality of intervals along the width direction of the lower bottom plate, and the heating element of each heating plate is embedded in the corresponding positioning groove.
7. The tray according to any one of claims 1 to 6, wherein the frame is a rectangular frame, the frame comprises a front frame, a rear frame, a left frame and a right frame, and the front frame, the left frame, the right frame and the rear frame are all extruded sections;
the front end of the left frame is connected with the left end of the front frame, the rear end of the left frame is connected with the left end of the rear frame, the front end of the right frame is connected with the right end of the front frame, the rear end of the right frame is connected with the right end of the rear frame, the front side edge of the lower bottom plate is welded with the bottom of the front frame, the rear side edge of the lower bottom plate is welded with the bottom of the rear frame, the left side edge of the lower bottom plate is welded with the bottom of the left frame, and the right side edge of the lower bottom plate is welded with the bottom of the right frame;
the bottom surface of the front frame, the bottom surface of the rear frame, the bottom surface of the left frame and the bottom surface of the right frame are in the same plane.
8. The tray of claim 7, wherein the front bezel includes a front bezel body portion and a front base portion connected to a bottom side of a rear side of the front bezel body portion, a front side of the lower floor panel being welded to the front base portion;
the rear frame comprises a rear frame main body part and a rear bottom support part connected to the bottom side of the front side surface of the rear frame main body part, and the rear side of the lower bottom plate is welded on the rear bottom support part;
the left frame comprises a left frame main body part and a left bottom support part connected to the bottom side of the right side face of the left frame main body part, and the left side of the lower bottom plate is welded on the left bottom support part;
the right frame comprises a right frame main body part and a right bottom support part connected to the bottom side of the left side surface of the right frame main body part, and the right side of the lower-layer bottom plate is welded on the right bottom support part;
the top surface of the heating plate, the top surface of the front bottom support part, the top surface of the rear bottom support part, the top surface of the left bottom support part and the top surface of the right bottom support part are in the same plane.
9. The tray according to claim 8, wherein the bottom surface rear side of the front bottom support part is provided with a lower bottom plate front side mounting groove, the bottom surface front side of the rear bottom support part is provided with a lower bottom plate rear side mounting groove, the bottom surface right side of the left bottom support part is provided with a lower bottom plate left side mounting groove, the bottom surface left side of the right bottom support part is provided with a lower bottom plate right side mounting groove, the lower bottom plate front side mounting groove, the lower bottom plate left side mounting groove, the lower bottom plate rear side mounting groove and the lower bottom plate right side mounting groove are sequentially connected to form a rectangular mounting groove, the lower bottom plate is rectangular, and the outer edge of the lower bottom plate is embedded and welded in the rectangular mounting groove.
10. The pallet according to claim 8, further comprising a front hanging ear portion connected to the front side surface of the front frame main body portion, a rear hanging ear portion connected to the rear side surface of the rear frame main body portion, a left hanging ear portion connected to the left side surface of the left frame main body portion, and a right hanging ear portion connected to the right side surface of the right frame main body portion, wherein the front hanging ear portion, the rear hanging ear portion, the left hanging ear portion, and the right hanging ear portion are extruded profiles;
the sections of the front hanging lug part, the rear hanging lug part, the left hanging lug part and the right hanging lug part are in a shape like the Chinese character 'ri'.
11. The tray according to claim 10, wherein a first rib structure is provided in the inner cavity of the front frame main body portion, the first rib structure dividing the inner cavity of the front frame main body portion into a plurality of first cavities;
a second reinforcing rib structure is arranged in the inner cavity of the rear frame main body part, and divides the inner cavity of the rear frame main body part into a plurality of second cavities;
a third reinforcing rib structure is arranged in the inner cavity of the left frame main body part, the third reinforcing rib structure divides the inner cavity of the left frame main body part into a plurality of third cavities, a first pressure relief hole communicated with the third cavities is formed in the inner side of the left frame main body part, and the third cavities are communicated with the outside through first pressure relief devices;
the frame comprises a right frame main body part and is characterized in that a fourth reinforcing rib structure is arranged in an inner cavity of the right frame main body part, the fourth reinforcing rib structure divides the inner cavity of the right frame main body part into a plurality of fourth cavities, a second pressure relief hole communicated with the fourth cavities is formed in the inner side of the right frame main body part, and the second cavities are communicated with the outside through second pressure relief devices.
12. The tray of claim 11, wherein the first reinforcement structure comprises at least one first vertical reinforcement rib, at least one first diagonal rib, and at least one first horizontal reinforcement rib, wherein the at least one first vertical reinforcement rib is vertically staggered with the at least one first horizontal reinforcement rib to divide the inner cavity of the front frame body into a plurality of first rectangular cavities, the first diagonal rib intersects the first vertical reinforcement rib and the first horizontal reinforcement rib to divide a portion of the first rectangular cavities into first triangular cavities, and the front lifting lug part is connected to a front side surface of the front frame body at a position corresponding to the first triangular cavities;
the second reinforcing rib structure comprises at least one second vertical reinforcing rib, at least one second inclined rib and at least one second horizontal reinforcing rib, the at least one second vertical reinforcing rib is vertically staggered with the at least one second horizontal reinforcing rib so as to divide the inner cavity of the rear frame main body part into a plurality of second rectangular cavities, the second inclined rib is intersected with the second vertical reinforcing rib and the second horizontal reinforcing rib so as to divide part of the second rectangular cavities into second triangular cavities, and the rear lifting lug part is connected to the rear side surface of the rear frame main body part at a position corresponding to the second triangular cavities;
the third reinforcing rib structure comprises at least one third vertical reinforcing rib, at least one third oblique rib and at least one third horizontal reinforcing rib, the at least one third vertical reinforcing rib is vertically staggered with the at least one third horizontal reinforcing rib so as to divide the inner cavity of the left frame main body part into a plurality of third rectangular cavities, the third oblique rib is intersected with the third vertical reinforcing rib and the third horizontal reinforcing rib so as to divide part of the third rectangular cavities into third triangular cavities, and the left lifting lug part is connected to the position, corresponding to the third triangular cavities, of the left side surface of the left frame main body part;
the fourth reinforcing rib structure comprises at least one fourth vertical reinforcing rib, at least one fourth oblique rib and at least one fourth horizontal reinforcing rib, the at least one fourth vertical reinforcing rib is vertically staggered with the at least one fourth horizontal reinforcing rib so as to divide the inner cavity of the right frame main body part into a plurality of fourth rectangular cavities, the fourth oblique rib is intersected with the fourth vertical reinforcing rib and the fourth horizontal reinforcing rib so as to divide part of the fourth rectangular cavities into fourth triangular cavities, and the right lifting lug part is connected to the position, corresponding to the fourth triangular cavities, of the right side surface of the right frame main body part.
13. The tray according to claim 8, wherein an upper cover front side mounting surface is provided on the rear side of the top surface of the front frame main body portion, an upper cover rear side mounting surface is provided on the front side of the top surface of the rear frame main body portion, an upper cover left side mounting surface is provided on the right side of the top surface of the left frame main body portion, an upper cover right side mounting surface is provided on the left side of the top surface of the right frame main body portion, the upper cover front side mounting surface, the upper cover left side mounting surface, the upper cover rear side mounting surface and the upper cover right side mounting surface are stepped surfaces, the upper cover front side mounting surface, the upper cover left side mounting surface, the upper cover rear side mounting surface and the upper cover right side mounting surface are sequentially connected to form a stepped upper cover mounting surface, and the upper cover.
14. A battery pack case comprising an upper cover and the tray of any one of claims 1 to 13, wherein an outer edge of the upper cover is attached to a top surface of the rim to form a space for accommodating a battery module inside the upper cover and the tray.
15. A vehicle comprising a tray as claimed in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640116.6U CN210403849U (en) | 2019-09-27 | 2019-09-27 | Tray, battery package box and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640116.6U CN210403849U (en) | 2019-09-27 | 2019-09-27 | Tray, battery package box and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210403849U true CN210403849U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921640116.6U Active CN210403849U (en) | 2019-09-27 | 2019-09-27 | Tray, battery package box and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113471604A (en) * | 2021-06-29 | 2021-10-01 | 东风海博新能源科技有限公司 | Power battery pack |
| CN113594600A (en) * | 2021-08-06 | 2021-11-02 | 江苏奥特帕斯新能源科技有限公司 | Light liquid-cooled battery box |
| WO2022050780A1 (en) * | 2020-09-04 | 2022-03-10 | 주식회사 엘지에너지솔루션 | Battery pack, vehicle, and electronic device comprising same |
| CN114792861A (en) * | 2021-01-26 | 2022-07-26 | 苏州亿创特智能制造有限公司 | Boundary beam of battery tray, battery tray and battery pack |
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2019
- 2019-09-27 CN CN201921640116.6U patent/CN210403849U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022050780A1 (en) * | 2020-09-04 | 2022-03-10 | 주식회사 엘지에너지솔루션 | Battery pack, vehicle, and electronic device comprising same |
| CN114930623A (en) * | 2020-09-04 | 2022-08-19 | 株式会社Lg新能源 | Battery pack, vehicle including the same, and electronic apparatus |
| JP2023508274A (en) * | 2020-09-04 | 2023-03-02 | エルジー エナジー ソリューション リミテッド | Battery packs, electronic devices and automobiles containing them |
| JP7463516B2 (en) | 2020-09-04 | 2024-04-08 | エルジー エナジー ソリューション リミテッド | Battery pack, electronic device including same, and automobile |
| CN114930623B (en) * | 2020-09-04 | 2024-08-20 | 株式会社Lg新能源 | Battery pack, vehicle including the same, and electronic device |
| CN114792861A (en) * | 2021-01-26 | 2022-07-26 | 苏州亿创特智能制造有限公司 | Boundary beam of battery tray, battery tray and battery pack |
| CN113471604A (en) * | 2021-06-29 | 2021-10-01 | 东风海博新能源科技有限公司 | Power battery pack |
| CN113594600A (en) * | 2021-08-06 | 2021-11-02 | 江苏奥特帕斯新能源科技有限公司 | Light liquid-cooled battery box |
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