CN217158461U - Frame subassembly, battery tray, battery package and vehicle of battery tray - Google Patents

Abstract

The utility model discloses a frame subassembly, battery tray, battery package and the vehicle of battery tray, the frame subassembly of battery tray includes: a rim configured in a ring-shaped structure to define a mounting space for mounting a tray bottom plate of the battery tray; and the supporting beam is arranged on the frame, corresponds to the mounting space and is used for supporting the tray bottom plate. From this, through set up a supporting beam on the frame, can promote frame structural strength, can promote battery tray structural strength to can prolong frame, battery tray, battery package life.

Description

Frame subassembly, battery tray, battery package and vehicle of battery tray

Technical Field

The utility model belongs to the technical field of the battery and specifically relates to a frame subassembly, battery tray, battery package and vehicle of battery tray are related to.

Background

In the correlation technique, the battery package includes the battery tray, and the battery tray includes the frame, and frame and tray bottom plate welded connection form the battery tray, and the tray bottom plate structure is platelike structure and is used for supporting electric core, and wherein, electric core or battery module install back in the battery tray because the structural strength of frame is not enough, and the frame is out of shape or even the fracture easily, influences frame life to battery package life has been shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a frame subassembly of battery tray, this battery tray's frame subassembly can promote frame structural strength through set up a supporting beam on the frame, can promote battery tray structural strength to can prolong frame, battery tray, battery package life.

The utility model discloses a battery tray is further proposed.

The utility model further provides a battery package.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses a frame subassembly of battery tray includes: a rim configured in a ring-shaped structure to define a mounting space for mounting a tray bottom plate of the battery tray; and the supporting beam is arranged on the frame, corresponds to the mounting space and is used for supporting the tray bottom plate.

According to the utility model discloses a frame subassembly of battery tray through set up a supporting beam on the frame, can promote frame structural strength, can promote battery tray structural strength to can prolong frame, battery tray, battery package life.

In some examples of the present invention, the frame includes a plurality of beam bodies, and the beam bodies are connected end to end in sequence to define the installation space.

In some examples of the invention, a plurality of the beam bodies comprise: front end roof beam, rear end roof beam and two side roof beams, two the side roof beam is in the first direction of frame is spaced apart, the front end roof beam with the rear end roof beam all connects two in order to inject between the side roof beam installation space, a supporting beam connects two between the side roof beam, and/or a supporting beam connects the front end roof beam with between the rear end roof beam.

In some examples of the invention, the support beam is located in the installation space, the front end beam and/or the rear end beam and/or at least one of the side beams has a support portion extending towards the inside of the installation space, the support portion being used for supporting the support beam.

In some examples of the invention, the support beam is fixedly connected to the support portion.

In some examples of the invention, the support beam is provided with mounting holes for mounting expansion beams of the battery tray.

In some examples of the present invention, the supporting beam is plural, and the plural supporting beams are spaced apart in the first direction and/or the second direction of the frame in sequence.

In some examples of the invention, the frame and/or the support beam are metal pieces.

According to the utility model discloses a battery tray, include: the frame component is the frame component of the battery tray; the tray bottom plate comprises a bottom plate body and an extending portion, the bottom plate body limits a placing groove used for placing an electric core, the extending portion extends along the circumferential edge of the bottom plate body, the bottom plate body is installed in the installation space, and the extending portion is located outside the installation space and located on the frame.

According to the utility model discloses a battery pack, include: an electric core; the battery tray is the battery tray; the cover body covers the open end of the placing groove to limit a placing cavity for placing the battery core, and the cover body is connected with the frame.

According to the utility model discloses a vehicle, including foretell battery package.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a battery pack according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a battery pack according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an assembly schematic diagram of a battery tray and a battery cell according to an embodiment of the present invention;

fig. 5 is a schematic view of a battery tray according to an embodiment of the present invention;

fig. 6 is an exploded view of a battery tray according to an embodiment of the present invention;

fig. 7 is a schematic view of a tray floor of a battery tray according to an embodiment of the present invention;

fig. 8 is a schematic view of a frame of a battery tray according to an embodiment of the present invention;

fig. 9 is a schematic view of a side beam of a battery tray according to an embodiment of the present invention;

FIG. 10 is an enlarged view at B of FIG. 9;

fig. 11 is a partial enlarged view of a battery tray and cell assembly according to an embodiment of the present invention.

Reference numerals:

a battery tray 100;

a tray bottom plate 10;

a bottom plate body 11; a placement groove 111; a compressed area 112; a bottom wall 113 of the placement tray;

an extension 12;

a frame 20; an installation space 21; a support portion 22;

the side frame 23; the side sill body 231; a connecting plate 232; a top wall 233 of the cavity; a bottom wall 234 of the cavity; a structural reinforcement portion 2341;

a subcavity 235; a first sidewall 236; a second side wall 237; a first connection portion 238; a second connecting portion 239; a boss structure 2391;

a front end beam 24; a rear end beam 25; a support beam 26; an expansion beam 27;

a shackle structure 30; a cover 40; a placement chamber 41;

a bezel assembly 50; the mounting holes 52; relief holes 53;

a battery pack 200; an electric core 201; a platen 202; a seal 203.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The frame assembly 50 of the battery tray 100 according to an embodiment of the present invention will be described below with reference to fig. 1 to 11, the frame assembly 50 being constructed in the structure of the battery tray 100, and the battery tray 100 being applied to a battery pack 200.

As shown in fig. 1 to 11, a battery tray 100 according to an embodiment of the present invention includes: a rim assembly 50 and a pallet base 10. The tray base plate 10 includes a base plate body 11 and an extension portion 12, the base plate body 11 defines a placement groove 111 for placing the battery cell 201 or the battery module, the application is described by taking the placement groove 111 for placing the battery cell 201 as an example, the bottom wall 113 of the placement groove has a compression area 112 for supporting the battery cell 201, the compression area 112 refers to an area where an orthographic projection of the bottom wall 113 of the placement groove coincides with an orthographic projection of the battery cell 201 when the battery cell 201 is installed in the placement groove 111, in a height direction of the battery tray 100, or it can also be understood that, when the battery cell 201 is installed in the placement groove 111, a contact area between the battery cell 201 and the bottom wall 113 of the placement groove includes an area where the battery cell 201 directly contacts or indirectly contacts the bottom wall 113 of the placement groove, for example: the cell 201 is in indirect contact with the bottom wall 113 of the placement groove when an adhesive or cooling structure is provided between the cell 201 and the bottom wall 113 of the placement groove, the cell 201 is in direct contact with the bottom wall 113 of the placement groove when no other object is provided between the cell 201 and the bottom wall 113 of the placement groove, or the weight of the cell 201 directly acts on the bottom wall 113 of the placement groove in the area of the compressed area 112. In the height direction of the battery tray 100, an orthographic projection of the bottom wall 113 of the placement groove is a projection of the bottom wall 113 of the placement groove in a plane perpendicular to the height direction of the battery tray 100. In the height direction of the battery tray 100, an orthographic projection of the battery cell 201 is a projection of the battery cell 201 in a plane perpendicular to the height direction of the battery tray 100.

When the battery cell 201 is mounted in the battery tray 100, the battery cell 201 is located in the compressed area 112 of the placement groove 111, the extension portion 12 is extended along the circumferential edge of the bottom plate body 11, and further, the extension portion 12 is configured as a loop structure, specifically, the extension portion 12 is configured as a closed loop structure.

According to the utility model discloses frame subassembly 50 includes frame 20 and a supporting beam 26, frame 20 constructs for the loop type structure in order to inject the installation space 21 that is used for installing tray bottom plate 10 of battery tray 100, furthermore, frame 20 includes a plurality of roof beam bodies, a plurality of roof beam bodies connect gradually end to end in order to inject installation space 21, the effect of inject installation space 21 can be realized to this setting, a supporting beam 26 is installed in frame 20, furthermore, a supporting beam 26 can be connected between two adjacent roof beam bodies, or a supporting beam 26 can be connected between two relative roof beam bodies, but the utility model discloses be not limited to this, the assembled mode of a supporting beam 26 and frame 20 can also be other modes. The support beams 26 are disposed corresponding to the installation spaces 21, and the support beams 26 are used for supporting the tray bottom plate 10. it should be noted that, when the frame members 50 are placed in the placement direction in fig. 8, the support beams 26 are disposed corresponding to the installation spaces 21 in the vertical direction of the frame members 50, and the support beams 26 are used for supporting the tray bottom plate 10. Wherein, through being provided with a supporting beam 26 on frame 20, can promote frame 20 structural strength, reduced frame 20 deformation, fracture risk, can promote battery tray 100 structural strength to can prolong frame 20, battery tray 100, battery package 200 life.

Further, the bottom plate body 11 is installed in the installation space 21, the extension portion 12 is located outside the installation space 21 and is disposed on the frame 20, as shown in fig. 6, fig. 8 and fig. 11, the present application is described by taking the battery tray 100 as an example of being placed in the vertical direction, after the bottom plate body 11 is installed in the installation space 21, the extension portion 12 is disposed outside the installation space 21, in the vertical direction of the battery tray 100, the extension portion 12 is disposed corresponding to the frame 20, specifically, as shown in fig. 11, the extension portion 12 is located above the frame 20, the extension portion 12 is disposed opposite to the frame 20, and in the vertical direction of the battery tray 100, the extension portion 12 can block the entire upper surface of the frame 20. And, the bottom plate body 11 is installed in the installation space 21, and the tray bottom plate 10 is supported by the supporting beam 26, specifically, the supporting beam 26 supports the bottom plate body 11 of the tray bottom plate 10, so that the weight of the battery cell 201 borne by the tray bottom plate 10 can be reduced, the deformation and cracking risk of the tray bottom plate 10 can be reduced, and the service life of the tray bottom plate 10 can be prolonged.

In some embodiments of the present invention, as shown in fig. 6 and 8, the plurality of beam bodies may include a front end beam 24, a rear end beam 25, and two side edge beams 23, the front end beam 24, the rear end beam 25, and the two side edge beams 23 are connected to form the installation space 21, and the front end beam 24, the rear end beam 25, and the two side edge beams 23 are connected to each other including direct connection and indirect connection, for example: to illustrate by way of example, the rear end beam 25 and the side beam 23 may be connected directly, or the rear end beam 25 and the side beam 23 may be connected indirectly via another beam. The two side members 23 are spaced apart in the first direction of the side frame 20, and the front end member 24 and the rear end member 25 are disposed opposite to each other in the second direction, one of the first direction and the second direction being the longitudinal direction of the battery tray 100, and the other of the first direction and the second direction being the width direction of the battery tray 100, it being understood that the width direction of the battery tray 100 may be identical to the vehicle width direction and the length direction of the battery tray 100 may be identical to the vehicle length direction when the battery tray 100 is mounted on the vehicle. Of course, the width direction of the battery tray 100 may be aligned with the vehicle length direction, and the longitudinal direction of the battery tray 100 may be aligned with the vehicle width direction. As shown in fig. 8, when the battery tray 100 is placed in the direction of fig. 8, the first direction may be the left-right direction in fig. 8, and the second direction may be the front-back direction in fig. 8, but of course, the first direction may be the front-back direction in fig. 8, and the second direction may be the left-right direction in fig. 8, and the present application will be described by taking the left-right direction in fig. 8 as the first direction and the front-back direction in fig. 8 as the second direction as an example. When the frame 20 is placed in the placement manner shown in fig. 8, the front end beam 24 and the rear end beam 25 are connected between the two side beams 23 to define the installation space 21, the welding surface of the front end beam 24 and the rear end beam 25 is a plane, the support beam 26 is connected between the two side beams 23, and/or the support beam 26 is connected between the front end beam 24 and the rear end beam 25, and/or the support beam 26 is connected between the front end beam 24 and at least one of the two side beams 23, and/or the support beam 26 is connected between the rear end beam 25 and at least one of the two side beams 23. The present application is described by way of example in which the two side members 23 are spaced apart in the left-right direction in fig. 8, and the front end member 24 and the rear end member 25 are spaced apart in the front-rear direction of the side frame 20, wherein the front end member 24 and the rear end member 25 are spaced apart in the front-rear direction of the side frame 20 by the two side members 23 being spaced apart in the left-right direction in fig. 8, so that the front end member 24, the rear end member 25, and the two side members 23 together define the installation space 21.

In some embodiments of the present invention, as shown in fig. 8, the supporting beam 26 is located in the installation space 21, the front end beam 24 and/or the rear end beam 25 and/or the at least one side beam 23 has a supporting portion 22 extending toward the inside of the installation space 21, and the setting position of the supporting portion 22 is selected according to the arrangement mode of the battery cells 201, for example: both side members 23 have supporting portions 22 extending toward the inside of the installation space 21, the supporting portions 22 are used to support supporting beams 26, when the side frame 20 is placed in the placement manner shown in fig. 8, the supporting beams 26 are disposed above the supporting portions 22, the supporting portions 22 can support the supporting beams 26, and the reliability of the connection between the supporting portions 22 and the side frame 20 can be improved. Further, the supporting portion 22 may also be used to support the pressed area 112 of the bottom plate body 11, when the battery cell 201 is placed in the left-right direction in fig. 8, by setting the supporting portion 22 on the side beam 23, it can be ensured that each battery cell 201 is supported by the supporting portion 22, it can be ensured that the supporting portion 22 supports the battery cell 201, and it can be ensured that the frame 20 is mainly used to bear the weight of the battery cell 201, so that the supporting portion 22 is arranged at a reasonable position.

As shown in fig. 11, when the battery cell 201 is installed in the placement groove 111, the battery cell 201 is located in the compression area 112, the supporting portion 22 supports the compression area 112, the weight of the battery cell 201 is carried on the frame 20, the frame 20 bears most of the weight of the battery cell 201, the tray base plate 10 bears a small part of the weight of the battery cell 201, the load-bearing requirement of the tray base plate 10 is greatly reduced, the requirement of the tray base plate 10 on the battery cell 201 can be met by reducing the thickness of the tray base plate 10, the tray base plate 10 can be made of a material with lower strength and thinner thickness, further, the tray base plate 10 is provided as an insulating member, further, the tray base plate 10 is provided as a non-metal member, and the tray base plate 10 made of a light non-metal composite material may, for example: the nonmetal combined material of light can be made by resin and glass fiber, and the resin can be epoxy or polyurethane, but the utility model discloses be not limited to this, the nonmetal combined material of light also can be made by other combined material who plays the same effect with resin and glass fiber, set up like this and to reduce tray bottom plate 10 weight, be favorable to battery tray 100, the lightweight design of battery package 200, and, current tray bottom plate 10 is made by the aluminium material, this application makes tray bottom plate 10 through using combined material, can reduce tray bottom plate 10 manufacturing cost, be favorable to reducing battery tray 100, the manufacturing cost of battery package 200. It should be noted that the tray bottom plate 10 made of the non-metal composite material has excellent electrical insulation performance, and when a serious bottom-laying accident occurs to the vehicle, the battery pack 200 does not have high-voltage risks such as arc discharge and the like.

Further, the tray bottom plate 10 is constructed as an integrally formed part, the tray bottom plate 10 is molded by a lightweight non-metal composite material, the tray bottom plate 10 forms good air tightness after being solidified due to the melting and flowing of resin in the molding process, and meanwhile, the tray bottom plate 10 can be ensured to have good flatness and dimensional accuracy through the molding of a mold part, and the sealing function of the tray bottom plate 10 is ensured. Frame 20 can be through the metal tailor-welding shaping, only needs to guarantee welded structure intensity and necessary product plane degree behind the weld forming, and the tailor-welding is efficient, has promoted battery tray 100 production efficiency, and tray bottom plate 10 is responsible for sealedly, need not carry out the welding seam and polish and the gas tightness detects, does not have the sealed risk of losing efficacy that the welding leads to. Tray bottom plate 10 can adopt combined material compression molding, and tray bottom plate 10 production efficiency is high, thereby the mould precision is high can obtain higher plane degree, reduces electric core 201's dimensional requirement.

In addition, the existing battery tray 100 does not distinguish two functions of bearing and sealing on the product structure, and the requirement needs to be met by considering the whole bearing and sealing simultaneously when the battery tray 100 is manufactured, so that the manufacturing efficiency and the yield of the battery tray 100 are low. In the application, two functions of bearing and sealing are distinguished, the frame 20 is mainly responsible for bearing, the tray bottom plate 10 is mainly responsible for sealing the battery tray 100, and the manufacturing efficiency and the yield of the battery tray 100 are improved.

From this, through tray bottom plate 10 and the cooperation of frame 20, frame 20 mainly bears electric core 201 weight, tray bottom plate 10 only bears the fractional part weight of electric core 201, tray bottom plate 10 mainly undertakes sealed effect, tray bottom plate 10 thickness can be reduced, be favorable to battery tray 100, the lightweight design and the cost reduction of battery package 200, and, tray bottom plate 10 and frame 20 assembly back together, there is not the welding to lead to the sealed inefficacy risk of battery tray 100, need not carry out the welding seam and polish and the detection of battery tray 100 gas tightness, battery tray 100 production efficiency has been promoted.

In some embodiments of the present invention, as shown in fig. 8, a support beam 26 is connected to the support portion 22. Further, the support beam 26 is welded to the support portion 22, and/or the support beam 26 is clamped to the support portion 22, and/or the support beam 26 is screwed to the support portion 22, the support beam 26 is welded to the frame 20, and/or the support beam 26 is clamped to the frame 20, and/or the support beam 26 is screwed to the frame 20, so that the frame 20 and the support beam 26 can be firmly assembled together, and the structural strength of the frame assembly 50 can be further improved.

In some embodiments of the present invention, as shown in fig. 5 and fig. 6, the battery tray 100 further includes an expansion beam 27, the expansion beam 27 is disposed on the tray bottom plate 10 far from one side of the frame 20, when the battery tray 100 is placed in the manner as shown in fig. 5 and fig. 6, the expansion beam 27 is disposed above the tray bottom plate 10, the expansion beam 27 is mounted on the supporting beam 26 through a bolt, after the battery cell 201 is mounted in the placing groove 111, when the battery cell 201 expands, the expansion beam 27 can limit the battery cell 201, thereby improving the safety of the battery cell 201.

In some embodiments of the present invention, as shown in fig. 6-8, the support beam 26 is provided with mounting holes 52 for mounting the expansion beams 27 of the battery tray 100. The tray bottom plate 10 is provided with the relief holes 53 corresponding to the mounting holes 52, and the bolts are installed in the mounting holes 52 of the support beams 26 after passing through the expansion beams 27 and the relief holes 53, so that the expansion beams 27 can be reliably installed on the frame 20.

In some embodiments of the present invention, the supporting beams 26 are disposed in a plurality, and the supporting beams 26 are sequentially spaced apart in the first direction and/or the second direction of the frame 20, it can also be understood that the supporting beams 26 are only sequentially spaced apart in the first direction of the frame 20, or the supporting beams 26 are only sequentially spaced apart in the second direction of the frame 20, or a part of the supporting beams 26 are sequentially spaced apart in the first direction of the frame 20, and another part of the supporting beams 26 are sequentially spaced apart in the second direction of the frame 20, which is exemplified by the case that the supporting beams 26 are only sequentially spaced apart in the second direction of the frame 20. When the frame assembly 50 is placed in the manner shown in fig. 8, the second direction of the frame 20 is the front-back direction in fig. 8, the support beams 26 are sequentially spaced apart from each other in the front-back direction of the frame 20, the expansion beams 27 are multiple, the expansion beams 27 are sequentially spaced apart from each other in the second direction, the expansion beams 27 and the support beams 26 are arranged in a one-to-one correspondence, one expansion beam 27 is mounted on one support beam 26 through a bolt, so that the expansion beam 27 can be stably mounted on the frame 20, the cell 201 is mounted between two adjacent expansion beams 27, when the cell 201 expands, the expansion beam 27 can support the cell 201 to limit the cell 201, and the cell 201 is prevented from being deformed too much and exploding.

In some embodiments of the present invention, as shown in fig. 11, when the battery tray 100 is placed in the placement mode shown in fig. 11, in the height direction of the battery tray 100, the orthographic projection of the supporting portion 22 and the orthographic projection of the pressed region 112 have an overlapping region, and after the battery cell 201 is placed in the placement groove 111, the arrangement can ensure that the supporting portion 22 supports the battery cell 201, and can ensure that the frame 20 is mainly used for bearing the weight of the battery cell 201.

In some embodiments of the present invention, the bottom wall 113 of the placement groove is formed with the compression area 112, it can also be understood that the compression area 112 is disposed on the bottom wall 113 of the placement groove, as shown in fig. 11, when the battery tray 100 is placed in the placement mode shown in fig. 11, the supporting portion 22 is located below the bottom plate body 11, the supporting portion 22 is supported on the bottom wall 113 of the placement groove, the supporting portion 22 can be ensured to be supported below the compression area 112 by such a configuration, it can be further ensured that the supporting portion 22 supports the electric core 201, it can be further ensured that the frame 20 is used for bearing most weight of the electric core 201, and thus the compression area 112 is disposed reasonably.

In some embodiments of the present invention, as shown in fig. 11, the lower end of the supporting portion 22 close to the side edge beam 23 is disposed, and it can also be understood that the end of the supporting portion 22 close to the side edge beam 23 away from the tray bottom plate 10 is disposed, and after the bottom plate body 11 is installed in the installation space 21, the supporting portion 22 is supported below the bottom plate body 11 by disposing the end of the supporting portion 22 close to the side edge beam 23 away from the tray bottom plate 10, and it can also be ensured that the bottom plate body 11 can be installed in the installation space 21.

In some embodiments of the present invention, as shown in fig. 5-7 and 11, when the battery tray 100 is placed in the placing manner shown in fig. 11, the upper end of the placing groove 111 is opened, and the battery cell 201 can be placed into the placing groove 111 from the opened end of the placing groove 111. The extension portion 12 is extended along the open end of the placement groove 111, as shown in fig. 11, the extension portion 12 is connected to the upper end of the base plate body 11, and after the base plate body 11 is installed in the installation space 21, the extension portion 12 can be disposed outside the placement groove 111, and the extension portion 12 can be disposed corresponding to the frame 20 in the vertical direction of the battery tray 100, thereby ensuring the sealing of the battery tray 100.

In some embodiments of the present invention, as shown in fig. 8, 10 and 11, the surface of the supporting portion 22 close to the tray bottom plate 10 is configured to be a plane, that is, as shown in fig. 11, the upper surface of the supporting portion 22 is set to be a plane, so that the supporting area of the supporting portion 22 and the bottom plate body 11 can be ensured, and the supporting portion 22 can better support the battery cell 201.

In some embodiments of the present invention, the supporting portion 22 is located below the bottom plate body 11 and is fixedly connected to the bottom plate body 11. Further, the tray bottom plate 10 is adhered to the frame 20. Further, the tray bottom plate 10 and the frame 20 are bonded and connected by gluing the adhesive (such as structural adhesive) between the tray bottom plate 10 and the frame 20, the dimensional tolerance of the frame 20 is absorbed by the thickness control of the adhesive, meanwhile, the tray bottom plate 10 has good flatness, and the manufacturing requirements on the tray bottom plate 10 and the frame 20 are reduced by the aid of the characteristic that the adhesive can absorb the tolerance. Moreover, when the existing tray bottom plate 10 and the frame 20 are welded, the tray bottom plate 10 is easily deformed in the welding process, the size requirement on the battery cell 201 is increased in the subsequent battery pack 200 assembling process, and the assembling efficiency of the battery pack 200 is affected. In the application, the tray bottom plate 10 and the frame 20 are connected in an adhesive manner, so that the tray bottom plate 10 and the frame 20 are prevented from being connected in a welding manner, the tray bottom plate 10 can be prevented from deforming, the size requirement on the battery cell 201 is reduced in the subsequent battery pack 200 assembling process, and the assembling efficiency of the battery pack 200 is improved.

The utility model discloses an in some embodiments, tray bottom plate 10 constructs as integrated into one piece spare, and tray bottom plate 10 adopts the combined material compression molding of light, forms good gas tightness after tray bottom plate 10 because of resin melting flow solidification in the mould pressing process, can guarantee that tray bottom plate 10 has good plane degree and dimensional accuracy through the shaping of mould spare simultaneously, guarantees tray bottom plate 10 sealing function.

In some embodiments of the present invention, the frame 20 and/or the support beam 26 are made of metal, preferably, the frame 20 and the support beam 26 are made of metal, the frame 20 and the support beam 26 can be made of aluminum material, and the frame 20 and the support beam 26 can also be made of steel material, but the present invention is not limited thereto, and the frame 20 and the support beam 26 can also be made of other metal materials that are the same as the steel material, preferably, the frame 20 and the support beam 26 are made of steel material, the frame 20 and the support beam 26 can be formed by rolling steel material, and the frame 20 and the support beam 26 can also be formed by extruding steel material. By arranging the frame 20 and the support beam 26 as metal members, the load-bearing capacity of the frame assembly 50 can be improved, and the risk of deformation of the frame assembly 50 can be reduced.

In some embodiments of the utility model, as shown in fig. 11, side roof beam 23 includes boundary beam body 231, boundary beam body 231 defines the cavity, has connecting plate 232 in the cavity, connecting plate 232 inclines to be connected between the diapire 234 of the roof 233 of cavity and cavity, connecting plate 232 can separate the cavity for a plurality of subchambers 235, a plurality of subchambers 235 arrange in proper order in the width direction of side roof beam 23, when battery tray 100 places with the mode of placing in fig. 11, the width direction of side roof beam 23 is the left and right directions in fig. 11. Further, as shown in fig. 11, from battery tray 100 top to below direction, connecting plate 232 extends the setting towards the direction slope of keeping away from standing groove 111, and connecting plate 232 separates the cavity for two sub-chambeies 235, and two sub-chambeies 235 arrange in proper order in the width direction of side roof beam 23, set up like this and to promote side roof beam 23 structural strength, can improve side roof beam 23's stability, thereby can promote side roof beam 23 and support electric core 201 ability, also can further reduce frame 20 deformation risk.

And, through a plurality of sub-cavities 235 arrange in proper order in the width direction of side roof beam 23, when receiving the striking in the sub-cavity 235 of the standing groove 111 of keeping away from battery tray 100 in a plurality of sub-cavities 235, for example: when being located left subchamber 235 in fig. 11 and receiving the striking, the subchamber 235 that receives the striking can absorb the impact, has reduced and has transmitted to the inside impact size of battery package 200, can reduce battery package 200 in electric core 201 by the risk of crashing to can promote battery package 200 safety in utilization.

Further, as shown in fig. 10 and 11, in the width direction of the side frame 23, a first side wall 236 of the cavity, which is away from the placement groove 111, is connected between the top wall 233 of the cavity and the bottom wall 234 of the cavity, and the first side wall 236 is connected to the partition. Further, as shown in fig. 11, the lower end of the first side wall 236 has a first connection portion 238 extending towards the inside of the cavity, the first connection portion 238 is located on one side of the bottom wall 234 of the cavity facing the top wall 233 of the cavity, the first side wall 236 is connected with both the bottom wall 234 of the cavity and the partition portion through the first connection portion 238, and the first connection portion 238 is connected with the bottom wall 234 of the cavity by welding.

Further, as shown in fig. 10 and 11, the cavity has a second side wall 237 near the placement groove 111 in the width direction of the side frame 23, the second side wall 237 is connected between the top wall 233 of the cavity and the bottom wall 234 of the cavity, and the second side wall 237 is connected to the partition. Further, as shown in fig. 11, the upper end of the second side wall 237 is provided with a second connecting portion 239 extending towards the inside of the cavity, the second connecting portion 239 is located on the side of the top wall 233 of the cavity facing the bottom wall 234 of the cavity, and the second side wall 237 is connected with the top wall 233 of the cavity and the partition portion through the second connecting portion 239. The second connecting portion 239 is welded to the top wall 233 of the cavity, and the top wall 233 of the cavity, the bottom wall 234 of the cavity, the first side wall 236 and the second side wall 237 define the cavity together, so that the structural strength of the side frame 23 can be further improved, and the stability of the side frame 23 can be further improved.

Further, as shown in fig. 10 and 11, a support portion 22 is connected to a lower end of the second side wall 237, and the support portion 22 is connected to the bottom wall 234 of the cavity. Further, in the width direction of the side frame 23, the bottom wall 234 of the cavity has a structure reinforcing part 2341 extending to the lower side of the supporting part 22, the end part of the structure reinforcing part 2341 close to the mounting space 21 is connected with the supporting part 22, further, the structure reinforcing part 2341 is provided with a boss structure 2391 protruding towards the supporting part 22, the boss 2391 is connected with the supporting part 22, so that the structural strength of the side frame 23 can be further improved, and the stability of the side frame 23 can be further improved.

Further, structure reinforcing part 2341 is provided with a plurality of boss structure 2391, and a plurality of boss structure 2391 set gradually in the width direction of side roof beam 23, and at least one boss structure 2391 in a plurality of boss structure 2391 is located pressurized area 112 below, sets up like this and to make boss structure 2391 support electric core 201, can further promote the bearing capacity of frame 20, reduces supporting part 22 deformation risk.

In some embodiments of the present invention, as shown in fig. 5 and 6, the lifting lug structure 30 is connected to the frame 20, the lifting lug structure 30 is provided with a mounting hole, and the lifting lug structure 30 is mounted on the vehicle through a fastener (e.g., a bolt), so as to mount the battery pack 200 on the vehicle.

As shown in fig. 1 to 11, a battery pack 200 according to an embodiment of the present invention includes: the battery cell 201, the battery tray 100, and the cover 40. The battery tray 100 is the battery tray 100 of the above embodiment, the cover 40 and the tray bottom plate 10 together define a placing cavity 41 for placing the battery cells 201, and the cover 40 is connected to the frame 20. Further, the cover body 40 is covered on the open end of the placement groove 111 to define the placement cavity 41, the extension portion 12 is sandwiched between the cover body 40 and the bezel 20, and the cover body 40, the tray base plate 10 and the bezel 20 are assembled together through the cover body 40, the extension portion 12 and the bezel 20 using bolts. Further, a sealing member 203 (e.g., a sealing ring) is interposed between the extension portion 12 and the cover 40, the sealing member 203 can seal the placing cavity 41, the cover 40 and the tray bottom plate 10 define a sealed insulating cavity (i.e., the placing cavity 41), after the battery cell 201 is placed in the placing cavity 41, the battery cell 201 can be completely isolated from the frame 20, the battery cell 201 is in a completely insulating environment, and the battery pack 200 has no risk of leakage.

In some embodiments of the present invention, as shown in fig. 1, the battery pack 200 may further include: the pressing plate 202, the pressing plate 202 are constructed in a closed-loop structure, the cover body 40, the sealing element 203 and the extending portion 12 are clamped between the pressing plate 202 and the frame 20, the pressing plate 202, the cover body 40, the tray base plate 10 and the frame 20 are assembled together by penetrating the pressing plate 202, the cover body 40, the extending portion 12 and the frame 20 through bolts, and the pressing plate 202 can enable the whole sealing element 203 to be uniformly pressed, so that the placing cavity 41 is guaranteed to be sealed reliably.

According to the utility model discloses the vehicle, including the battery package 200 of above-mentioned embodiment, battery package 200 is installed and is provided the electric energy in the vehicle, the frame 20 of battery package 200 bears the most weight of electric core 201, tray bottom plate 10 bears the partless weight of electric core 201, tray bottom plate 10 mainly undertakes sealing action, tray bottom plate 10 that the combined material who uses light can, be favorable to battery tray 100, battery package 200, the lightweight design and the cost reduction of vehicle, and, tray bottom plate 10 and frame 20 assemble back together, it leads to battery tray 100 to seal up the inefficacy risk not to weld, need not carry out the welding seam and polish and battery tray 100 gas tightness detects, battery tray 100 has been promoted, vehicle production efficiency. Meanwhile, the tray bottom plate 10 made of the composite material has excellent electrical insulation performance, and when a serious bottom-laying accident occurs to a vehicle, high-voltage risks such as arc discharge and the like do not occur to the battery pack 200, so that the safety of the vehicle is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A frame assembly of a battery tray, comprising:

a rim configured in a ring-shaped structure to define a mounting space for mounting a tray bottom plate of the battery tray;

and the supporting beam is arranged on the frame, corresponds to the mounting space and is used for supporting the tray bottom plate.

2. The battery tray rim assembly of claim 1, wherein the rim includes a plurality of beam bodies connected end-to-end in series to define the mounting space.

3. The battery tray rim assembly of claim 2, wherein the plurality of beam bodies comprise: front end roof beam, rear end roof beam and two side roof beams, two the side roof beam is in the first direction of frame is spaced apart, the front end roof beam with the rear end roof beam all connects two in order to inject between the side roof beam installation space, a supporting beam connects two between the side roof beam, and/or a supporting beam connects the front end roof beam with between the rear end roof beam.

4. The battery tray frame assembly of claim 3, wherein the support beams are located in the mounting space, and the front end beam and/or the rear end beam and/or at least one of the side beams has a support portion extending toward the inside of the mounting space, the support portion being configured to support the support beams.

5. The battery tray frame assembly of claim 4, wherein the support beams are fixedly connected to the support portions.

6. The battery tray frame assembly of claim 1, wherein the support beams are provided with mounting holes for mounting the expansion beams of the battery tray.

7. The battery tray frame assembly of claim 1, wherein the support beam is a plurality of support beams, and the plurality of support beams are sequentially spaced apart in the first direction and/or the second direction of the frame.

8. The frame assembly of a battery tray according to any of claims 1 to 7, wherein the frame and/or the support beams are metallic pieces.

9. A battery tray, comprising:

a rim assembly of the battery tray of any one of claims 1-8;

the tray bottom plate comprises a bottom plate body and an extending portion, the bottom plate body limits a placing groove used for placing an electric core, the extending portion extends along the circumferential edge of the bottom plate body, the bottom plate body is installed in the installation space, and the extending portion is located outside the installation space and located on the frame.

10. A battery pack, comprising:

an electric core;

a battery tray according to claim 9;

the cover body covers the open end of the placing groove to limit a placing cavity for placing the battery core, and the cover body is connected with the frame.

11. A vehicle characterized by comprising the battery pack according to claim 10.

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