CN116417739A

CN116417739A - Battery tray, battery pack and vehicle

Info

Publication number: CN116417739A
Application number: CN202111640524.3A
Authority: CN
Inventors: 朱婷婷; 王小龙; 郑卫鑫
Original assignee: BYD Co Ltd; Huizhou BYD Battery Co Ltd
Current assignee: BYD Co Ltd; Huizhou BYD Battery Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-07-11

Abstract

The invention discloses a battery tray, a battery pack and a vehicle, wherein the battery tray comprises: a bottom plate; the boundary beam, boundary beam connect in the periphery of bottom plate and with the bottom plate define the accommodation space who places the electric core, the boundary beam includes first boundary beam, first boundary beam has the accommodation chamber, the accommodation chamber is located the one side of keeping away from accommodation space of first boundary beam, the accommodation chamber is used for holding the components and parts of being connected with the electric core, be equipped with the through-hole that communicates accommodation space and accommodation chamber on the first boundary beam. According to the battery tray, the inner space of the first side beam is fully utilized, the occupied space of components is reduced, the space utilization rate of the battery tray is improved, the components can be protected, and the battery tray is convenient to detach.

Description

Battery tray, battery pack and vehicle

Technical Field

The invention relates to the technical field of automobiles, in particular to a battery tray, a battery pack and a vehicle.

Background

In the related art, the components occupy large space on the battery tray, are easy to damage, and are complex in disassembly operation when being maintained.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a battery tray, which fully utilizes the inner space of the first side beam, is beneficial to reducing the occupied space of components, improves the space utilization rate of the battery tray, protects the components, and is convenient to detach.

Another object of the present invention is to provide a battery pack having the above battery tray.

It is still another object of the present invention to provide a vehicle having the above battery pack.

According to an embodiment of the present invention, a battery tray includes: a bottom plate; the boundary beam, the boundary beam connect in the periphery of bottom plate and with the bottom plate defines the accommodation space who places the electric core, the boundary beam includes first boundary beam, first boundary beam has and holds the chamber, hold the chamber and be located first boundary beam keep away from accommodation space's one side, hold the chamber be used for hold with the components and parts that the electric core is connected, be equipped with the intercommunication on the first boundary beam accommodation space with hold the through-hole in chamber.

According to the battery tray provided by the embodiment of the invention, the accommodating space for accommodating the battery cells is defined by the side beams and the bottom plate, the battery cells are convenient to support and fix, the side beams comprise the first side beams, the accommodating cavity is formed in one side of the first side beams far away from the accommodating space, the components are positioned in the accommodating cavity, the accommodating space and the accommodating cavity are communicated through the through holes, the inner space of the first side beams is fully utilized, the components only occupy the original space of the first side beams, the occupied space of the components on the battery tray is reduced, the space utilization rate of the battery tray is improved, the miniaturization of battery packs is facilitated, the battery cells and the components are convenient to connect, the components are convenient to maintain or replace, the whole disassembly of the battery packs is avoided, the working efficiency is improved, meanwhile, the components can be protected by the first side beams, and the service life of the components is prolonged.

In addition, the battery tray according to the above embodiment of the present invention may have the following additional technical features:

according to some embodiments of the invention, the first side rail includes: the beam body comprises a fixed plate, an upper side plate and a lower side plate, one end of the upper side plate is connected with the upper end of the fixed plate, one end of the lower side plate is connected with the lower end of the fixed plate, and the lower side plate is connected with the bottom plate; the two plugging plates are arranged on one side, far away from the accommodating space, of the fixing plate and are arranged at intervals in the length direction of the beam body, and the two plugging plates are connected with the fixing plate, the upper side plate and the lower side plate so as to be connected with the fixing plate, the upper side plate and the lower side plate to define the accommodating cavity.

According to some embodiments of the invention, the ends of the upper side plate and the lower side plate, which are far away from the fixing plate, are respectively provided with an extension plate, the extension plates are positioned between the two plugging plates, and the ends of the extension plates, which are far away from the fixing plate, are flush with the ends of the plugging plates, which are far away from the fixing plate.

According to some embodiments of the invention, the first side rail further comprises: the sealing plate is formed into a ring shape and is connected with two ends of the extension plate and the two plugging plates, which are far away from the fixing plate.

According to some embodiments of the invention, the first side rail further comprises: the reinforcing piece is located on one side, far away from the accommodating cavity, of one plugging plate and on one side, far away from the accommodating space, of the fixing plate, and the reinforcing piece is connected with the beam body.

According to some embodiments of the invention, an upper end of the reinforcement is connected to an end of the upper side plate remote from the fixing plate, a lower end of the reinforcement is connected to an end of the lower side plate remote from the fixing plate, and a portion of the reinforcement is recessed toward the fixing plate to form a recessed portion, the recessed portion being connected to the fixing plate.

According to some embodiments of the invention, the reinforcement is provided in plurality, the plurality of reinforcement comprises a first reinforcement and a second reinforcement, the first reinforcement is located on one side of one of the plugging plates away from the accommodating cavity, and the second reinforcement is located on one side of the other plugging plate away from the accommodating cavity.

According to some embodiments of the invention, the side sill further comprises a second side sill, the second side sill is arranged opposite to the first side sill, along the length direction of the second side sill, a part of the second side sill protrudes towards one side away from the accommodating space to form a protruding part, an opening is arranged on the protruding part, and the opening penetrates through the second side sill in the thickness direction of the second side sill.

According to some embodiments of the invention, the battery tray further comprises: the sealing piece comprises a mounting plate and a second side beam sealing plate, wherein the mounting plate is positioned in the opening, the mounting plate is formed into an annular shape, the peripheral wall of the mounting plate is connected with the inner peripheral wall of the opening, the second side beam sealing plate is positioned on one side of the second side beam, which is far away from the accommodating space, the second side beam sealing plate is perpendicular to the axis of the opening, the second side beam sealing plate is formed into an annular shape, and the inner peripheral wall of the second side beam sealing plate is connected with one end of the mounting plate, which is far away from the accommodating space.

According to some embodiments of the invention, the second side rail is an integral roll and comprises: an inner plate; the upper end of the second side beam is connected with the upper end of the inner plate; the second side beam lower side plate is connected with the lower end of the inner plate, and the second side beam lower side plate is connected with the bottom plate; the outer plate is located one side of the inner plate, which is far away from the accommodating space, the upper end of the outer plate is connected with one end of the second side beam upper side plate, which is far away from the inner plate, the lower end of the outer plate is connected with one end of the second side beam lower side plate, which is far away from the inner plate, the part of the outer plate is recessed towards the inner plate to form a second side beam recessed part, and the second side beam recessed part is connected with the inner plate.

According to some embodiments of the invention, the side sill includes two side sills, the two side sills are disposed opposite to each other, one ends of the two side sills are respectively connected with two ends of the first side sill, and the other ends of the two side sills are respectively connected with two ends of the second side sill, the side sills are integrally rolled and include: an inner side plate; a side beam upper plate, one end of which is connected with the upper end of the inner plate; a side beam lower side plate, wherein one end of the side beam lower side plate is connected with the lower end of the inner side plate, and the side beam lower side plate is connected with the bottom plate; one end of the first connecting plate is connected with one end, far away from the inner side plate, of the side beam upper side plate, and the other end of the first connecting plate is connected with the inner side plate; the side beam comprises a side beam upper side plate, a side beam lower side plate, a side beam inner side plate, a first connecting plate and a second connecting plate, wherein one end of the side beam lower side plate is connected with one end of the side beam inner side plate, which is far away from the side inner side plate, and the other end of the second connecting plate is connected with the first connecting plate, wherein in the thickness direction of the side beam, one end of the side beam lower side plate, which is far away from the side inner side plate, exceeds one end of the side beam upper side plate, which is far away from the side inner side plate.

According to some embodiments of the invention, the first connection plate comprises: one end of the first connecting section is connected with one end, far away from the inner side plate, of the side beam upper side plate, and the other end of the first connecting section extends vertically towards the direction close to the side beam lower side plate; one end of the second connecting section is connected with the other end of the first connecting section, and the other end of the second connecting section horizontally extends towards the direction close to the inner side plate; one end of the third connecting section is connected with the other end of the second connecting section, the other end of the third connecting section vertically extends towards the direction close to the lower side plate of the side beam, and one end, far away from the lower side plate of the side beam, of the second connecting plate is connected with the third connecting section; one end of the fourth connecting section is connected with the other end of the third connecting section, the other end of the fourth connecting section horizontally extends towards the direction close to the inner side plate, one end of the fourth connecting section away from the third connecting section extends towards the side beam lower side plate to form a fifth connecting section, and the fifth connecting section is adhered and connected with the inner side plate; and/or, the second connection board comprises: one end of the vertical section is connected with one end of the side beam lower side plate, which is far away from the inner side plate, and the other end of the vertical section extends vertically towards the direction close to the side beam upper side plate; one end of the horizontal section is connected with the other end of the vertical section, and the other end of the horizontal section horizontally extends towards the direction close to the inner side plate; one end of the inclined section is connected with the other end of the horizontal section, and the other end of the inclined section obliquely extends towards the direction close to the first connecting plate; and one end of the connecting section is connected with the other end of the inclined section, and the other end of the connecting section vertically extends towards the direction close to the upper side plate of the side beam and is attached to and connected with the first connecting plate.

According to an embodiment of the present invention, a battery pack includes: a battery cell; according to the battery tray provided by the embodiment of the invention, the battery cells are arranged in the accommodating space.

The vehicle according to the embodiment of the invention comprises the battery pack according to the embodiment of the invention.

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 foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a battery tray according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A shown in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B of FIG. 1;

FIG. 4 is a schematic structural view of a first side rail mated with a component in accordance with an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of the structure at C of FIG. 4;

FIG. 6 is an exploded view of a first side rail according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure at D of FIG. 6;

FIG. 8 is a schematic view of a second side rail mated with a safety device in accordance with an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of the structure at E of FIG. 8;

FIG. 10 is a front view of a second side rail according to an embodiment of the present invention;

FIG. 11 is a top view of a second side rail according to an embodiment of the present invention;

FIG. 12 is a cross-sectional view of a second side rail according to an embodiment of the present invention;

fig. 13 is a cross-sectional view of a side rail according to an embodiment of the present invention.

Reference numerals:

a battery tray 100; a component 200; high voltage connector 300; a safety device 400; a distribution box 500;

a bottom plate 10;

a side rail 20; a cross beam 21;

a receiving space 30;

a first side rail 40; a housing chamber 41; a beam body 42; a blocking plate 43; a sealing plate 44; an extension plate 45; a stiffener 46; a through hole 47; lifting lugs 48; a fixing plate 421; an upper side plate 422; a lower side plate 423; a concave portion 461; a first stiffener 462; a second stiffener 463; a sleeve 481; a mounting hole 482; a mounting base 483;

a second side rail 50; a protruding portion 51; an opening 52; an inner plate 501; a second side rail upper side plate 502; a second side sill lower side plate 503; an outer plate 504; a second side rail recessed portion 505; a connection point 506;

a seal 60; a mounting plate 61; a second side beam sealing plate 62;

a mounting panel 70;

a side member 80; an inner side plate 81; side sill upper side plates 82; side member lower side plates 83; a first connection plate 84; a second connection plate 85; a first connection section 841; a second connection section 842; a third connecting section 843; a fourth connecting section 844; fifth connecting segment 845; a vertical section 851; horizontal segment 852; an inclined section 853; a connection segment 854;

And a fastener 90.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the invention, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

A battery tray 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1 to 3, a battery tray 100 according to an embodiment of the present invention may include: a floor 10 and side rails 20.

Specifically, the boundary beam 20 is connected to the outer periphery of the bottom plate 10, the boundary beam 20 and the bottom plate 10 can define an accommodating space 30, the battery cell is placed in the accommodating space 30, the battery cell can transmit electric energy to the outside, and the battery tray 100 can support and position the battery cell, so that the battery cell can be fixed conveniently.

In addition, as shown in fig. 1 and 3-7, the side beam 20 includes a first side beam 40, where the first side beam 40 has a receiving cavity 41, the receiving cavity 41 is located at a side far away from the receiving space 30 (e.g., a rear side shown in fig. 1), the receiving cavity 41 can receive a component 200 connected to a battery cell, and when the battery cell transfers electric energy outwards, the component 200 can play a role of intermediate connection, so that output of the battery cell can be controlled.

Through making components and parts 200 be located the holding chamber 41 of first boundary beam 40, make full use of first boundary beam 40's inner space, and components and parts 200 occupy the original space of first boundary beam 40 only, reduced the space that components and parts 200 occupy on battery tray 100, effectively improved battery tray 100's space utilization, be favorable to realizing the miniaturization of battery package. In addition, the component 200 is located in the accommodating cavity 41, so that the first side beam 40 can protect the component 200, the component 200 is prevented from being interfered by external environment, damage to the component 200 caused by exposure can be avoided, and the service life of the component 200 is prolonged. Meanwhile, the accommodating cavity 41 is located on one side, far away from the accommodating space 30, of the first side beam 40, when the components 200 are maintained or replaced, the components 200 in the accommodating cavity 41 can be conveniently maintained or taken out, the whole disassembly of the battery pack is avoided, the working efficiency is improved, and the operation is simple.

Meanwhile, as shown in fig. 1, 3 and 6, the through hole 47 is formed in the first side beam 40, the through hole 47 is communicated with the accommodating space 30 and the accommodating cavity 41, the connection between the battery cell and the component 200 can be realized through the through hole 47, the connection between the battery cell and the component 200 is more convenient, and the structural installation is more compact.

In some embodiments, as shown in fig. 4 and 5, the component 200 may include a high-voltage connector 300 and a power distribution box 500, and the connection and control of the battery core can be achieved through the high-voltage connector 300 and the power distribution box 500, and the high-voltage connector 300 and the power distribution box 500 may be located in the accommodating cavity 41 of the first side beam 40, so that the space utilization rate of the battery tray 100 is effectively improved, and the required occupied space is effectively reduced.

It should be noted that, for convenience of description, the orientations of "front", "back", "upper", "lower", "left" and "right" in the present invention are based on the orientation relationships shown in the drawings, and are not limited to the orientations in the practical application process.

According to the battery tray 100 of the embodiment of the invention, the accommodating space 30 for accommodating the battery cell is defined by the side beam 20 and the bottom plate 10, so that the battery cell is supported and fixed conveniently, the side beam 20 comprises the first side beam 40, the accommodating cavity 41 is formed in one side of the first side beam 40 far away from the accommodating space 30, the component 200 is positioned in the accommodating cavity 41, the accommodating space 30 and the accommodating cavity 41 are communicated through the through hole 47, the inner space of the first side beam 40 is fully utilized, the component 200 occupies only the original space of the first side beam 40, the occupied space of the component 200 on the battery tray 100 is reduced, the space utilization rate of the battery tray 100 is improved, the miniaturization of the battery pack is facilitated, the battery cell is connected with the component 200 conveniently, the maintenance or replacement of the component 200 is facilitated, the integral disassembly of the battery pack is avoided, the working efficiency is improved, meanwhile, the component 200 can be protected by the first side beam 40, and the service life of the component 200 is prolonged.

According to some embodiments of the present invention, as shown in fig. 4 to 7, the first side beam 40 may include a beam body 42, the beam body 42 includes a fixing plate 421, an upper side plate 422, and a lower side plate 423, one end of the upper side plate 422 is connected to the upper end of the fixing plate 421, one end of the lower side plate 423 is connected to the lower end of the fixing plate 421, and the lower side plate 423 may be connected to the bottom plate 10, so that the first side beam 40 can be reliably connected to the bottom plate 10, ensuring stable installation of the first side beam 40, and thus ensuring high structural strength of the battery tray 100. Through fixed plate 421, upper side board 422 and lower side board 423, make roof beam body 42 can approximately form "U" type structure, can have great space, be convenient for place components and parts 200 inside first boundary beam 40, and first boundary beam 40 can protect components and parts 200, avoids components and parts 200 to expose and causes the damage.

In addition, as shown in fig. 4-6, the first side beam 40 further includes two blocking plates 43, where the two blocking plates 43 are disposed on one side (e.g., the rear side shown in fig. 5) of the fixing plate 421 away from the accommodating space 30, and the two blocking plates 43 are disposed at intervals in the longitudinal direction (e.g., the left-right direction shown in fig. 4) of the beam body 42, and the two blocking plates 43 are connected with the fixing plate 421, the upper side plate 422 and the lower side plate 423, so that the two blocking plates 43 can define the accommodating cavity 41 with the fixing plate 421, the upper side plate 422 and the lower side plate 423, and the two blocking plates 43 can be fixed on the beam body 42 to ensure reliable connection, thereby protecting the component 200 in the accommodating cavity 41 from being damaged due to the exposure of the component 200, and the two blocking plates 43 can block the liquid, thereby preventing the component 200 from being damaged due to the liquid entering the component 200, and ensuring the use safety of the component 200.

In some embodiments, the beam body 42 may be an integral rolling member, where the rolling member can ensure that the beam body 42 has better structural strength, stable quality, and high production efficiency, and meets the processing requirements of the beam body 42.

In some embodiments, the two plugging plates 43 can be sheet metal parts, and the sheet metal parts have high structural strength, so that the use requirements of the plugging plates 43 can be met, and good sealing performance is ensured.

In some embodiments of the present invention, as shown in fig. 3, 5 and 7, the ends of the upper side plate 422 and the lower side plate 423, which are far away from the fixed plate 421, are respectively provided with an extension plate 45, and the extension plates 45 are located between the two plugging plates 43, so that the space of the accommodating cavity 41 can be enlarged, the placement of the component 200 is facilitated, and the damage to the component 200 caused by extrusion is avoided. In addition, the end of the extension plate 45 away from the fixing plate 421 is flush with the end of the blocking plate 43 away from the fixing plate 421, so that the accommodating cavity 41 is conveniently sealed, and sealing reliability is ensured.

In some embodiments, as shown in fig. 3-6, the first side beam 40 further includes a sealing plate 44, where the sealing plate 44 is formed into a ring shape, the sealing plate 44 is connected to two extension plates 45 and one ends (such as the rear sides shown in fig. 5) of two plugging plates 43, which are far away from the fixing plate 421, so that the sealing plate 44 is ensured to be reliably connected to the beam body 42 and the plugging plates 43, the structural strength of the two extension plates 45 and one ends of the two plugging plates 43, which are far away from the fixing plate 421, is enhanced, deformation is avoided, the structural strength of the first side beam 40 is improved, and the sealing plate 44 can be ensured to be well flattened after being connected by the one ends of the extension plates 45, which are far away from the fixing plate 421, are flush with one ends of the plugging plates 43, which are far away from the fixing plate 421, so as to have a good appearance effect. In addition, sealing can be realized through the cooperation of closing plate 44 and other structures, outside liquid or dust etc. are prevented from entering into holding cavity 41, the sealing performance of holding cavity 41 is guaranteed to further ensure the safety in utilization of components and parts 200, improve components and parts 200's life.

In some embodiments, the battery tray 100 includes a first sealing cover, which may be matched with the sealing plate 44, so as to seal the accommodating cavity 41, thereby effectively avoiding the damage to the component 200 caused by the liquid entering into the component 200, and ensuring the sealing effect of the battery tray 100.

In some embodiments, the battery tray 100 may further include a first gasket, which may be located between the first sealing cover and the sealing plate 44, to further ensure that the first sealing cover and the sealing plate 44 are sealed reliably, and to ensure the sealing effect of the receiving cavity 41, thereby improving the sealing performance of the battery tray 100. For example, the first gasket may be a silicone member.

In some embodiments, the sealing plate 44 and the upper side plate 422, the lower side plate 423 and one ends of the two plugging plates 43 far away from the fixing plate 421 can be connected by welding, so that the connection reliability of the sealing plate 44 and the upper side plate 422, the lower side plate 423 and the two plugging plates 43 is improved, a better sealing effect is ensured, and the production cost is reduced.

In some embodiments, the sealing plate 44 may be a stamping part, the stamping part has better dimensional accuracy, ensures accurate positioning, can realize better sealing effect between the sealing plate 44 and the connecting structure, avoids liquid, dust and the like entering through the connecting part, ensures the sealing performance of the accommodating cavity 41, and has good positioning effect, simple processing and high production efficiency.

According to some embodiments of the present invention, as shown in fig. 4 to 7, the first side beam 40 further includes a reinforcement member 46, where the reinforcement member 46 is located on a side of one of the plugging plates 43 away from the accommodating cavity 41, and adding the reinforcement member 46 can make the structural strength of the first side beam 40 higher, so as to protect the components 200 in the accommodating cavity 41, thereby improving the anti-extrusion and anti-impact performance of the battery tray 100. In addition, the reinforcement 46 is located at one side of the fixing plate 421 far away from the receiving space 30, the reinforcement 46 is connected with the beam body 42, the reinforcement 46 does not occupy other space, and is only placed in the inner space of the first side beam 40, so that the structural strength of the first side beam 40 is improved, and the space utilization of the battery tray 100 is effectively improved.

In some embodiments, the stiffener 46 is welded to the beam body 42, which improves the reliability of the connection of the stiffener 46 to the beam body 42, which is beneficial for reducing production costs.

In some embodiments of the present invention, as shown in fig. 5 and 7, the upper end of the reinforcement member 46 is connected to the end of the upper side plate 422 away from the fixing plate 421, and the lower end of the reinforcement member 46 is connected to the end of the lower side plate 423 away from the fixing plate 421, so as to ensure that the reinforcement member 46 is firmly connected, the installation is reliable, the reinforcement member 46 has a simple structure, and the structural strength of the beam body 42 is effectively increased, so as to avoid the beam body 42 from deforming. In addition, the part of the reinforcement 46 is recessed towards the fixing plate 421, so that a recess 461 can be formed, the recess 461 is connected with the fixing plate 421, and the structural strength of the beam body 42 is further increased, so that the structural strength of the first side beam 40 is improved, the extrusion resistance and the impact resistance of the first side beam 40 are improved, the battery cell, the component 200 and the like are effectively protected, and the use safety of the battery pack is ensured.

It should be noted that the specific structure of the concave portion 461 may be flexibly set according to practical needs, for example, the portion of the reinforcing member 46 may be concave toward the fixing plate 421 along at least one of a straight line, a curved line, a broken line, and the like to form the concave portion 461. In the example shown in fig. 7, the cross section of the concave portion 461 may generally form a "U" shaped structure with the opening toward the rear side, which is advantageous in improving the structural strength of the reinforcing member 46.

In some embodiments, as shown in fig. 4-7, a plurality of reinforcing members 46 may be provided, where the plurality of reinforcing members 46 can effectively improve the structural strength of the first side rail 40 and ensure the stability of the first side rail 40. In addition, the plurality of reinforcing members 46 may include a first reinforcing member 462 and a second reinforcing member 463, where the first reinforcing member 462 is located at a side of one of the plugging plates 43 away from the accommodating cavity 41, and the second reinforcing member 463 is located at a side of the other plugging plate 43 away from the accommodating cavity 41, i.e., the first reinforcing member 462 and the second reinforcing member 463 may be located at two ends of the first side rail 40 in the length direction, so that the structural strength of the first side rail 40 is increased, the problems of deformation and the like of the first side rail 40 are effectively avoided, and the anti-extrusion and anti-impact properties of the first side rail 40 are improved.

For example, in some embodiments, as shown in fig. 4 and 6, two blocking plates 43 are disposed at intervals in the left-right direction of the beam body 42, the first reinforcing member 462 may be located at the left end of the left blocking plate 43, and the second reinforcing member 463 may be located at the right end of the right blocking plate 43, so that the structural strength of the first side beam 40 is increased, and the crush and impact resistance of the first side beam 40 is improved.

In the embodiment of the present invention, the number of the reinforcing members 46 may be flexibly set according to the actual situation, for example, two reinforcing members 46 may be shown in fig. 4, or three, four, five, six or more reinforcing members may be used, which is within the scope of the present invention.

In some embodiments of the present invention, as shown in fig. 4 to 7, the first side beam 40 may be provided with a lifting lug 48, and the battery tray 100 may be fixed by the lifting lug 48, so as to ensure that the battery tray 100 is stably installed, thereby ensuring that the battery cell is stably installed.

In the embodiment of the present invention, the specific structure of the lifting lug 48 of the first side sill 40 may be set according to actual circumstances.

For example, in some embodiments, as shown in fig. 4 to 7, the lifting lug 48 may include a sleeve 481, a mounting hole 482 is provided on the first side rail 40, the mounting hole 482 penetrates the first side rail 40 in a height direction (for example, an up-down direction shown in fig. 5) of the first side rail 40, and the sleeve 481 is connected with the first side rail 40 through the mounting hole 482, thereby fixing the first side rail 40 through the sleeve 481 by a bolt or a pin or other connection member, and ensuring a reliable fixing of the battery tray 100.

For example, in some embodiments, as shown in fig. 4-7, the lifting lug 48 may include a sleeve 481 and a mounting seat 483, one end of the sleeve 481 is connected with the mounting seat 483, the mounting seat 483 is disposed on one side of the first side beam 40 far away from the accommodating space 30 and is connected with the upper portion of the first side beam 40, a mounting hole 482 is disposed on the first side beam 40, and the sleeve 481 passes through the mounting hole 482 to be connected with the first side beam 40, so that a connecting piece such as a bolt or a pin can pass through the sleeve 481 to fix the first side beam 40, thereby ensuring the reliability of fixing the battery tray 100, and the sleeve 481 can be fixed through the mounting seat 483, ensuring the high structural strength of the lifting lug 48, and meanwhile, other structures are conveniently disposed on the lower portion of the first side beam 40, and the lifting lug 48 can avoid other structures, so as not to affect the installation of the other structures, and satisfy different use requirements of the lifting lug 48.

In some embodiments, as shown in fig. 4 and 6, the first side beam 40 may be provided with a plurality of lifting lugs 48, where the plurality of lifting lugs 48 are disposed at intervals along the length direction of the first side beam 40, and by providing a plurality of lifting lugs 48, the connection reliability of the first side beam 40 can be ensured, thereby ensuring that the battery tray 100 is fixed reliably.

In the embodiment of the present invention, the number of the lifting lugs 48 of the first side beam 40 may be flexibly set according to practical situations, for example, four lifting lugs 48 of the first side beam 40 as shown in fig. 6, or two, three, five, six or more lifting lugs are also included in the protection scope of the present invention.

In some embodiments of the present invention, a liquid cooling channel may be integrated in the bottom plate 10, and the liquid cooling channel can exchange heat with the battery cell, so as to facilitate heat dissipation of the battery cell, and facilitate improvement of service life of the battery cell. Meanwhile, the liquid cooling channels are integrated in the bottom plate 10, so that the problem of large occupied space caused by the fact that a cold plate with the liquid cooling channels is arranged on the bottom plate in the related art is avoided, occupied space required by other structures is reduced, space in the height direction of the battery tray 100 is fully utilized, the space utilization rate of the battery tray 100 is high, the structural strength of the bottom plate 10 is improved, and the production cost is reduced.

According to some embodiments of the present invention, as shown in fig. 1, the heights of the side beams 20 are the same along the circumferential direction of the side beams 20, so that the side beams 20 can form a whole, the whole structure of the side beams 20 has high strength, after the side beams 20 are stressed, the side beams 20 can be uniformly stressed, the force is conveniently transmitted, and the protection effect on the battery cells is good.

In some embodiments, the height of the boundary beam 20 can be the same as the height of the battery cell, so that the boundary beam 20 and the battery cell can form a whole, the boundary beam 20 can effectively protect the battery cell, and when collision occurs, force can be transmitted through the boundary beam 20, so that the power is prevented from being transmitted to the battery cell, and the use safety of the battery cell is ensured to be good.

In some embodiments, as shown in fig. 1, 2, and 8-11, the side beam 20 further includes a second side beam 50, where the second side beam 50 is disposed opposite to the first side beam 40, and along a length direction (e.g., a left-right direction shown in fig. 1) of the second side beam 50, a portion of the second side beam 50 protrudes toward a side (e.g., a front side shown in fig. 1) away from the accommodating space 30, so that a protruding portion 51 may be formed, so that a structural strength of the second side beam 50 is increased, an area of the accommodating space 30 is enlarged, a battery cell is conveniently placed, and compared with a side beam extending along a straight line in the related art, the protruding portion 51 of the second side beam 50 of the present invention may avoid a mounting hole, so that other structures may be conveniently mounted at a portion of the accommodating space 30 near the second side beam 50, and assembly efficiency is improved.

In addition, as shown in fig. 1, 2 and 10, the opening 52 is formed in the protruding portion 51, the opening 52 penetrates through the second side beam 50 in the thickness direction (for example, the front-rear direction shown in fig. 1) of the second side beam 50, components can be mounted in the second side beam 50 through the opening 52, the internal space of the second side beam 50 is fully utilized, the space occupied by the components on the battery tray 100 is reduced, the structure is compact, the space utilization rate of the battery tray 100 is effectively improved, miniaturization of the battery pack is facilitated, the opening 52 is formed in the protruding portion 51, the components can be mounted in the accommodating space 30 to the second side beam 50 conveniently, and the assembly efficiency is improved. In addition, the parts are located in the opening 52 of the second side beam 50, so that the second side beam 50 can protect the parts from damage caused by exposure of the parts. Meanwhile, the opening 52 is convenient for maintaining and replacing parts, so that the whole disassembly of the battery pack is avoided, the working efficiency is improved, and the operation is simple.

Compared with the accommodating cavity 41 and the opening 52 which are positioned on two adjacent sides, the accommodating cavity 41 and the opening 52 are respectively arranged on the first side beam 40 and the second side beam 50 which are opposite to each other, so that the overall structural strength of the battery tray 100 can be ensured, the structural strength of the battery tray 100 is higher, the battery cells are convenient to place, the flat cable is more convenient, and the assembly efficiency is improved.

In some embodiments, as shown in fig. 8, the opening 52 of the second side beam 50 may accommodate the safety device 400 connected with the battery cell, and the battery cell is connected with the safety device 400, so that the risk of short circuit can be effectively prevented, the use safety of the battery pack is effectively improved, the occupied space of the safety device 400 on the battery tray 100 is reduced, the internal space of the second side beam 50 is fully utilized, and the space utilization rate of the battery tray 100 is effectively improved. Meanwhile, the safety device 400 is convenient to maintain and replace through the opening 52, so that the working efficiency is improved, and the operation is simple.

In some embodiments, as shown in fig. 2, 8 and 10, the battery tray 100 further includes a sealing member 60, the sealing member 60 includes a mounting plate 61, the mounting plate 61 is located in the opening 52, the mounting plate 61 is formed into a ring shape, and an outer peripheral wall of the mounting plate 61 is connected with an inner peripheral wall of the opening 52, so that the mounting plate 61 and the second side beam 50 are reliably mounted, liquid can be blocked, the liquid is prevented from entering the accommodating space 30 through a gap between the opening 52 and the mounting plate 61, the use safety of the battery cell is ensured, and the waterproof performance of the accommodating space 30 is ensured.

In addition, as shown in fig. 2, 8 and 10, the sealing member 60 further includes a second side beam sealing plate 62, the second side beam sealing plate 62 is located at a side of the second side beam 50 away from the receiving space 30 (e.g., a front side as shown in fig. 1), the second side beam sealing plate 62 is perpendicular to the axis of the opening 52, the second side beam sealing plate 62 is formed in a ring shape, and an inner circumferential wall of the second side beam sealing plate 62 is connected with an end of the mounting plate 61 away from the receiving space 30 (e.g., a front side as shown in fig. 1), i.e., the second side beam sealing plate 62 may be disposed around the opening 52, increasing structural strength of the sealing member 60, and increasing connection strength of the sealing member 60 with the second side beam 50. In addition, the second boundary beam sealing plate 62 is matched with other structures to realize sealing, so that external liquid or dust and the like are prevented from entering the opening 52, and good sealing performance is ensured, so that the waterproof performance of the battery pack is ensured, and the use safety of the battery cell and other structures is ensured.

In some embodiments, the sealing member 60 may be a stamping part, the stamping part has better dimensional accuracy, ensures accurate positioning, can realize that the second boundary beam sealing plate 62 of the sealing member 60 has better sealing effect with the connecting structure, avoids liquid, dust and the like to enter through the connecting part, ensures better sealing performance, avoids liquid and the like to enter through the opening 52, and has good stamping part positioning effect, simple processing of the stamping part and high production efficiency.

In some embodiments, as shown in fig. 2, the cross-sectional area of the mounting plate 61 may gradually decrease toward the end near the accommodating space 30, i.e., the mounting plate 61 may form a bowl-shaped structure, meet the processing requirements of the mounting plate 61, facilitate demolding, and have high structural strength.

In some embodiments, the sealing member 60 and the second side beam 50 may be connected by welding, ensuring reliable connection, ensuring a good sealing effect, providing the battery tray 100 with good waterproof performance, and reducing the production cost of the battery tray 100.

In some embodiments, the battery tray 100 includes a second sealing cover, which may be matched with the second side beam sealing plate 62, so as to seal the opening 52, effectively avoid the damage of the battery core caused by the liquid entering from the opening 52, and ensure the sealing effect of the battery tray 100.

In some embodiments, the battery tray 100 may further include a second gasket, which may be positioned between the second sealing cover and the second side rail sealing plate 62, further ensuring that the second sealing cover and the second side rail sealing plate 62 are sealed reliably, ensuring sealing of the opening 52, and thus improving the sealing performance of the battery tray 100. For example, the second gasket may be a silicone member.

In some embodiments of the present invention, as shown in fig. 1, 2, 8 and 10, the battery tray 100 further includes a mounting panel 70, the mounting panel 70 is connected to a side of the protrusion 51 away from the receiving space 30 (e.g., a front side as shown in fig. 1), the connection between the battery cell and the outside can be achieved through the mounting panel 70, and the mounting panel 70 is connected to a side of the protrusion 51 away from the receiving space 30, so that the mounting panel 70 is conveniently mounted, and the mounting panel 70 is more conveniently mounted to the second side rail 50 from the receiving space 30, thereby improving the assembly efficiency.

In some embodiments, the mounting panel 70 may be connected to a high voltage connector, and the electrical power of the electrical cells can be transmitted by connecting the electrical cells to the high voltage connector through the mounting panel 70.

In some embodiments, the mounting panel 70 may be a stamping part, the stamping part has better dimensional accuracy, ensures accurate positioning, can realize better sealing effect between the mounting panel 70 and the connecting structure, avoids liquid, dust and the like entering through the connecting part, ensures better sealing performance, and has good positioning effect, simple processing and high production efficiency.

According to some embodiments of the present invention, as shown in fig. 2 and 8-10, the second side beam 50 is provided with a lifting lug 48, and the battery tray 100 can be fixed by the lifting lug 48, so that the battery tray 100 is stably installed, and thus, the battery cell is stably installed.

In the embodiment of the present invention, the specific structure of the lifting lug 48 of the second side sill 50 may be set according to actual circumstances.

For example, in some embodiments, as shown in fig. 2, 8 and 10, the lifting lug 48 may include a sleeve 481, a mounting hole 482 is provided on the second side beam 50, the mounting hole 482 penetrates the second side beam 50 in the height direction (for example, the up-down direction shown in fig. 9) of the second side beam 50, and the sleeve 481 is connected with the second side beam 50 through the mounting hole 482, thereby fixing the second side beam 50 through the sleeve 481 by a connection member such as a bolt or a pin, and ensuring the fixing reliability of the battery tray 100.

For example, in some embodiments, as shown in fig. 4-7, the lifting lug 48 may include a sleeve 481 and a mounting seat 483, where the mounting seat 483 is disposed on a side of the second side rail 50 away from the accommodating space 30, the mounting seat 483 is provided with a mounting hole 482, the mounting hole 482 penetrates through the mounting seat 483, and the sleeve 481 penetrates through the mounting hole 482 to be connected with the mounting seat 483, so that the second side rail 50 can be fixed through the sleeve 481 by a bolt or a pin or other connecting piece, thereby ensuring reliable fixing of the battery tray 100 and meeting different use requirements of the lifting lug 48.

In some embodiments, as shown in fig. 4 and 6, the second side beam 50 may be provided with a plurality of lifting lugs 48, where the plurality of lifting lugs 48 are disposed at intervals along the length direction of the second side beam 50, and by providing a plurality of lifting lugs 48, the connection reliability of the second side beam 50 can be ensured, thereby ensuring that the battery tray 100 is fixed reliably.

In the embodiment of the present invention, the number of the lifting lugs 48 of the second side beam 50 may be flexibly set according to practical situations, for example, as shown in fig. 8, the number of the lifting lugs 48 of the second side beam 50 may be five, or may be two, three, four, six or more, which is within the scope of the present invention.

In some embodiments of the present invention, as shown in fig. 9 and 12, the second side beam 50 may be an integral rolling member, where the rolling member can make the second side beam 50 have better structural strength, stable quality, and high production efficiency, so as to meet the processing requirement of the second side beam 50. The second side sill 50 may include an inner plate 501, a second side sill upper side plate 502, a second side sill lower side plate 503, and an outer plate 504, where one end of the second side sill upper side plate 502 is connected to the upper end of the inner plate 501, one end of the second side sill lower side plate 503 is connected to the lower end of the inner plate 501, the second side sill lower side plate 503 is connected to the bottom plate 10, the outer plate 504 is located on one side (e.g., the front side as shown in fig. 12) of the inner plate 501 away from the accommodating space 30, the upper end of the outer plate 504 is connected to one end (e.g., the front side as shown in fig. 12) of the second side sill upper side plate 502 away from the inner plate 501, the lower end of the outer plate 504 is connected to one end (e.g., the front side as shown in fig. 12) of the second side sill lower side plate 503 away from the inner plate 501, and the second side sill 50 has high structural strength, so that the second side sill 50 is reliably connected to the bottom plate 10, and the second side sill 50 has a simple structure and is easy to process.

In addition, as shown in fig. 9 and 12, the outer plate 504 is partially recessed toward the inner plate 501, so that a second side beam recessed portion 505 can be formed, and the second side beam recessed portion 505 is connected with the inner plate 501, so that the structural strength of the outer plate 504 is increased, the structural strength of the second side beam 50 is improved, the extrusion resistance and impact resistance of the second side beam 50 are improved, the battery cell and the like are effectively protected, and the use safety of the battery pack is ensured.

Note that, the specific structure of the second side rail concave portion 505 may be flexibly set according to actual situation requirements, for example, a portion of the outer plate 504 may be concave toward the inner plate 501 along at least one of a straight line, a curved line, a fold line, and the like to form the second side rail concave portion 505. In the example shown in fig. 12, the cross section of the second side rail concave portion 505 may generally form a "U" type structure with the opening toward the front side, i.e., the cross section of the second side rail 50 may form a "B" type, which is advantageous in improving the structural strength of the second side rail 50.

In some embodiments, as shown in fig. 12, the connection point 506 of the two joints of the integral roll of the second side beam 50 may be located on the second side beam concave portion 505, so as to facilitate connection of the connection point 506 of the two joints with the inner plate 501, ensure that the joint connection is reliable, the second side beam 50 is not easy to deform, and ensure that the structural strength of the second side beam 50 is high.

In some embodiments, the connection point 506 of the two joints and the inner plate 501 can be connected through welding, so that connection reliability is ensured, and the connection point is not easy to separate. For example, the connection point 506 and the inner panel 501 may be connected by laser welding.

In some embodiments, as shown in fig. 1, 2 and 13, the side beam 20 may further include two side beams 80, where the two side beams 80 are disposed opposite to each other, one end of the two side beams 80 is connected to two ends of the first side beam 40, and the other end of the two side beams 80 is connected to two ends of the second side beam 50, that is, one side beam 80 is connected between one end of the first side beam 40 and one end of the second side beam 50, and the other side beam 80 is connected between the other end of the first side beam 40 and the other end of the second side beam 50, so that the battery tray 100 may form a whole, increasing the structural strength of the battery tray 100, and the battery tray 100 is stressed more uniformly, so as to better protect the battery cell.

In addition, as shown in fig. 13, the side beam 80 may be an integral rolling member, and the rolling member can make the side beam 80 have better structural strength, stable quality and high production efficiency, and meet the processing requirements of the side beam 80. The side member 80 includes an inner panel 81, a side member upper panel 82, a side member lower panel 83, a first connecting plate 84, and a second connecting plate 85, one end of the side member upper panel 82 is connected to the upper end of the inner panel 81, one end of the side member lower panel 83 is connected to the lower end of the inner panel 81, and the side member lower panel 83 is connected to the floor panel 10, so that the side member 80 can be reliably connected to the floor panel 10. One end of the first connecting plate 84 is connected with one end (e.g., right end as shown in fig. 13) of the side member upper plate 82 away from the inner plate 81, the other end of the first connecting plate 84 is connected with the inner plate 81, one end of the second connecting plate 85 is connected with one end (e.g., right end as shown in fig. 13) of the side member lower plate 83 away from the inner plate 81, and the other end of the second connecting plate 85 is connected with the first connecting plate 84, so that the side member 80 can form a special-shaped structure, the structural strength of the side member 80 is increased, and the protection effect on the battery cell is good.

Meanwhile, when the first side beam 40 and the second side beam 50 are respectively provided with the accommodating cavity 41 and the opening 52, the two side beams 80 are respectively connected with the first side beam 40 and the second side beam 50, so that the structural strength of the side beams 80 is enhanced, the structural strength of the first side beam 40 and the structural strength of the second side beam 50 are improved, the overall strength of the battery tray 100 are improved, the structures such as a battery core and the like can be protected, and the extrusion resistance and the impact resistance of the battery tray 100 are improved.

In the embodiment of the present invention, the specific structures of the first connection plate 84 and the second connection plate 85 may be flexibly set according to actual situations.

According to some embodiments of the invention, as shown in fig. 13, the first connection plate 84 includes: a first connecting section 841, a second connecting section 842, a third connecting section 843, and a fourth connecting section 844, one end of the first connecting section 841 being connected to one end of the side member upper plate 82 remote from the inner plate 81, the other end of the first connecting section 841 extending vertically in a direction toward the side member lower plate 83 (e.g., downward as shown in fig. 13), one end of the second connecting section 842 being connected to the other end of the first connecting section 841, the other end of the second connecting section 842 extending horizontally in a direction toward the inner plate 81 (e.g., leftward as shown in fig. 13), one end of the third connecting section 843 being connected to the other end of the second connecting section 842, the other end of the third connecting section 843 extending vertically in a direction toward the side member lower plate 83 (e.g., downward as shown in fig. 13), and the one end of second connecting plate 85 that keeps away from curb girder downside plate 83 is connected with third linkage segment 843, the one end of fourth linkage segment 844 is connected with the other end of third linkage segment 843, the other end of fourth linkage segment 844 is towards being close to the direction (for example left side as shown in fig. 13) horizontal extension of interior side plate 81, the one end (for example left end as shown in fig. 13) of third linkage segment 843 is kept away from to fourth linkage segment 844 is towards curb girder downside plate 83, can form fifth linkage segment 845, and fifth linkage segment 845 and interior side plate 81 laminating and connection, can effectively increase the structural strength of first linkage plate 84, ensure that the first linkage plate 84 is connected reliably with interior side plate 81, make the structural strength of curb girder 80 higher, can protect structures such as electric core, the anti extrusion and the anti-collision performance of battery tray 100 have further been improved.

In some embodiments of the present invention, as shown in fig. 13, the second connection plate 85 includes a vertical section 851, a horizontal section 852, an inclined section 853 and a connection section 854, one end of the vertical section 851 is connected with one end of the side beam lower side plate 83 away from the inner side plate 81, the other end of the vertical section 851 extends vertically toward a direction close to the side beam upper side plate 82 (for example, upward as shown in fig. 13), one end of the horizontal section 852 is connected with the other end of the vertical section 851, the other end of the horizontal section 852 extends horizontally toward the direction close to the inner side plate 81, one end of the inclined section 853 is connected with the other end of the horizontal section 852, the other end of the inclined section 853 extends obliquely toward the direction close to the first connection plate 84, one end of the connection section 854 is connected with the other end of the inclined section 853, the other end of the connection section 854 extends vertically toward the direction close to the side beam upper side plate 82, and the connection section 854 is attached to and connected with the first connection plate 84, so that the connection between the first connection plate 84 and the second connection plate 85 are reliable, can effectively increase the structural strength of the second connection plate 85, and the structural strength of the side beam 80 is higher, the battery tray, and the impact resistance performance is further improved.

According to some embodiments of the present invention, as shown in fig. 2 and 13, in the height direction of the side member 80 (for example, the up-down direction shown in fig. 13), an end of the side member lower side plate 83 (for example, the right end shown in fig. 13) far from the inner side plate 81 exceeds an end of the side member upper side plate 82 (for example, the right end shown in fig. 13) far from the inner side plate 81, that is, an excess portion of the side member lower side plate 83 may form a lifting lug, and the side member 80 may be fixed by the lifting lug, so that the battery tray 100 may be fixed, the battery tray 100 may be stably mounted, and different use requirements of the lifting lug may be satisfied. Meanwhile, the lifting lugs of the side beams 80 and the side beams 80 are integrally rolled and formed, so that the force transmission of the side beams 80 is facilitated, the structural strength of the lifting lugs is high, tearing is not easy to occur, reliable connection of the lifting lugs is ensured, and the bearing capacity of the lifting lugs is high.

In some embodiments, the side members 80 are provided with locating holes that are integrally formed so that the relative positions of the locating holes are more accurate.

In some embodiments, as shown in fig. 1, the side beam 20 may further include a cross beam 21, two ends of the cross beam 21 in a length direction (e.g., a left-right direction as shown in fig. 1) are connected to the two side beams 80, and a lower surface of the cross beam 21 is connected to the bottom plate 10, so that the bottom plate 10 is reliably connected to the cross beam 21, thereby improving structural strength of the side beam 20 and improving structural strength of the battery tray 100.

In some embodiments, as shown in fig. 12, the battery tray 100 further includes a cover plate, the edge beam 20 is provided with a connection hole, and the cover plate can be fixed at one end (for example, the upper end shown in fig. 1) of the edge beam 20 far away from the bottom plate 10 by penetrating the connection hole through the fastener 90, so that the battery cell can be protected, and the use safety of the battery cell is ensured. For example, the fastener 90 may be a blind rivet nut post, which is waterproof, prevents liquid from entering the accommodating space 30, achieves a good sealing effect, and ensures good sealing performance of the battery tray 100.

The battery pack according to the embodiment of the present invention includes a battery cell provided in the receiving space 30 and the battery tray 100 according to the embodiment of the present invention. Because the battery tray 100 according to the embodiment of the invention has the beneficial effects described above, according to the battery pack of the embodiment of the invention, the containing space 30 for placing the battery cell is defined by the side beam 20 and the bottom plate 10, so that the battery cell is supported and fixed conveniently, the side beam 20 comprises the first side beam 40, the containing cavity 41 is arranged on one side of the first side beam 40 far away from the containing space 30, the component 200 is positioned in the containing cavity 41, the containing space 30 and the containing cavity 41 are communicated through the through hole 47, the internal space of the first side beam 40 is fully utilized, the component 200 occupies only the original space of the first side beam 40, the occupied space of the component 200 on the battery tray 100 is reduced, the space utilization rate of the battery tray 100 is improved, the battery pack is facilitated to be miniaturized, the battery cell is connected with the component 200 conveniently, the component 200 is prevented from being integrally disassembled, the working efficiency is improved, and meanwhile, the component 200 can be protected by the first side beam 40, and the service life of the component 200 is prolonged.

A vehicle according to an embodiment of the present invention includes a battery pack according to an embodiment of the present invention. Because the battery pack according to the embodiment of the invention has the beneficial technical effects, the vehicle according to the embodiment of the invention defines the accommodating space 30 for accommodating the battery cell through the side beam 20 and the bottom plate 10, the battery cell is convenient to support and fix, the side beam 20 comprises the first side beam 40, the accommodating cavity 41 is arranged on one side of the first side beam 40 far away from the accommodating space 30, the component 200 is positioned in the accommodating cavity 41, the accommodating space 30 and the accommodating cavity 41 are communicated through the through hole 47, the inner space of the first side beam 40 is fully utilized, the component 200 occupies only the original space of the first side beam 40, the occupied space of the component 200 on the battery tray 100 is reduced, the space utilization rate of the battery tray 100 is improved, the battery pack is facilitated to be miniaturized, the battery cell is convenient to connect with the component 200, the component 200 is convenient to maintain or replace, the whole disassembly of the battery pack is avoided, the working efficiency is improved, meanwhile, the first side beam 40 can protect the component 200, and the service life of the component 200 is prolonged.

Other configurations and operations of the battery tray 100, the battery pack, and the vehicle according to the embodiment of the present invention are known to those of ordinary skill in the art, and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery tray (100), characterized by comprising:

a bottom plate (10);

boundary beam (20), boundary beam (20) connect in the periphery of bottom plate (10) and with bottom plate (10) define accommodation space (30) of placing the electric core, boundary beam (20) include first boundary beam (40), first boundary beam (40) have accommodation cavity (41), accommodation cavity (41) are located first boundary beam (40) keep away from one side of accommodation space (30), accommodation cavity (41) are used for holding with components and parts (200) that the electric core is connected, be equipped with the intercommunication on first boundary beam (40) accommodation space (30) with through-hole (47) of accommodation cavity (41).

2. The battery tray (100) of claim 1, wherein the first side rail (40) comprises:

the beam body (42), the beam body (42) comprises a fixed plate (421), an upper side plate (422) and a lower side plate (423), one end of the upper side plate (422) is connected with the upper end of the fixed plate (421), one end of the lower side plate (423) is connected with the lower end of the fixed plate (421), and the lower side plate (423) is connected with the bottom plate (10);

two shutoff boards (43), two shutoff boards (43) are established fixed plate (421) keep away from one side of accommodation space (30) and be in the length direction of roof beam body (42) is upwards spaced the setting, two shutoff boards (43) all with fixed plate (421) upper side board (422) and lower side board (423) are connected in order with fixed plate (421) upper side board (422) and lower side board (423) define hold chamber (41).

3. The battery tray (100) according to claim 2, wherein the ends of the upper side plate (422) and the lower side plate (423) away from the fixing plate (421) are each provided with an extension plate (45), the extension plates (45) are located between the two blocking plates (43), and the ends of the extension plates (45) away from the fixing plate (421) are flush with the ends of the blocking plates (43) away from the fixing plate (421).

4. The battery tray (100) of claim 3, wherein the first side rail (40) further comprises:

and a sealing plate (44), wherein the sealing plate (44) is formed in a ring shape, and the sealing plate (44) is connected with two extension plates (45) and one ends of the two plugging plates (43) which are far away from the fixed plate (421).

5. The battery tray (100) of claim 2, wherein the first side rail (40) further comprises:

and the reinforcing piece (46), wherein the reinforcing piece (46) is positioned on one side of one plugging plate (43) away from the accommodating cavity (41) and on one side of the fixing plate (421) away from the accommodating space (30), and the reinforcing piece (46) is connected with the beam body (42).

6. The battery tray (100) according to claim 5, wherein an upper end of the reinforcement member (46) is connected to an end of the upper side plate (422) remote from the fixing plate (421), a lower end of the reinforcement member (46) is connected to an end of the lower side plate (423) remote from the fixing plate (421), and a portion of the reinforcement member (46) is recessed toward the fixing plate (421) to form a recessed portion (461), the recessed portion (461) being connected to the fixing plate (421).

7. The battery tray (100) of claim 5, wherein the reinforcement member (46) is provided in plurality, the plurality of reinforcement members (46) including a first reinforcement member (462) and a second reinforcement member (463), the first reinforcement member (462) being located on a side of one of the blocking plates (43) remote from the accommodation chamber (41), the second reinforcement member (463) being located on a side of the other blocking plate (43) remote from the accommodation chamber (41).

8. The battery tray (100) according to claim 1, wherein the side beam (20) further comprises a second side beam (50), the second side beam (50) is disposed opposite to the first side beam (40), along a length direction of the second side beam (50), a portion of the second side beam (50) protrudes toward a side away from the accommodating space (30) to form a protruding portion (51), an opening (52) is provided on the protruding portion (51), and the opening (52) penetrates through the second side beam (50) in a thickness direction of the second side beam (50).

9. The battery tray (100) of claim 8, wherein the battery tray (100) further comprises:

the sealing piece (60), the sealing piece (60) includes mounting panel (61) and second boundary beam closing plate (62), mounting panel (61) are located in opening (52), mounting panel (61) form to annular, the periphery wall of mounting panel (61) with the inner peripheral wall of opening (52) is connected, second boundary beam closing plate (62) are located second boundary beam (50) keep away from one side of accommodation space (30), second boundary beam closing plate (62) with the axis of opening (52) is perpendicular, second boundary beam closing plate (62) form into annular just the inner peripheral wall of second boundary beam closing plate (62) with the one end of keeping away from of accommodation space (30) of mounting panel (61) is connected.

10. The battery tray (100) of claim 8, wherein the second side rail (50) is an integral roll and comprises:

an inner plate (501);

a second side beam upper side plate (502), wherein one end of the second side beam upper side plate (502) is connected with the upper end of the inner plate (501);

a second side beam lower side plate (503), wherein one end of the second side beam lower side plate (503) is connected with the lower end of the inner plate (501), and the second side beam lower side plate (503) is connected with the bottom plate (10);

the outer plate (504), the outer plate (504) is located one side of inner plate (501) far away from accommodation space (30), the upper end of outer plate (504) with the one end of second boundary beam upper side plate (502) far away from inner plate (501) is connected, the lower extreme of outer plate (504) with the one end of second boundary beam lower side plate (503) far away from inner plate (501) is connected, the part orientation of outer plate (504) inner plate (501) is concave in order to form second boundary beam concave part (505), second boundary beam concave part (505) with inner plate (501) is connected.

11. The battery tray (100) according to claim 8, wherein the side members (20) include side members (80), the side members (80) are two, the two side members (80) are disposed opposite to each other, one ends of the two side members (80) are connected to both ends of the first side member (40), the other ends of the two side members (80) are connected to both ends of the second side member (50), the side members (80) are integrally roll-pressed members and include:

An inner panel (81);

a side member upper plate (82), wherein one end of the side member upper plate (82) is connected to the upper end of the inner plate (81);

a side member lower side plate (83), one end of the side member lower side plate (83) being connected to the lower end of the inner side plate (81), the side member lower side plate (83) being connected to the bottom plate (10);

a first connecting plate (84), wherein one end of the first connecting plate (84) is connected with one end of the side beam upper side plate (82) which is far away from the inner side plate (81), and the other end of the first connecting plate (84) is connected with the inner side plate (81);

a second connecting plate (85), one end of the second connecting plate (85) is connected with one end of the side beam lower side plate (83) which is far away from the inner side plate (81), the other end of the second connecting plate (85) is connected with the first connecting plate (84),

wherein an end of the side member lower side plate (83) away from the inner side plate (81) exceeds an end of the side member upper side plate (82) away from the inner side plate (81) in a thickness direction of the side member (80).

12. The battery tray (100) of claim 11, wherein the first connection plate (84) comprises:

a first connecting section (841), wherein one end of the first connecting section (841) is connected with one end of the side beam upper side plate (82) which is far away from the inner side plate (81), and the other end of the first connecting section (841) extends vertically towards the direction which is close to the side beam lower side plate (83);

A second connection section (842), one end of the second connection section (842) is connected with the other end of the first connection section (841), and the other end of the second connection section (842) horizontally extends toward a direction approaching the inner side plate (81);

a third connecting section (843), one end of the third connecting section (843) is connected with the other end of the second connecting section (842), the other end of the third connecting section (843) extends vertically toward a direction approaching the side beam lower side plate (83), and one end of the second connecting plate (85) away from the side beam lower side plate (83) is connected with the third connecting section (843);

a fourth connecting section (844), one end of the fourth connecting section (844) is connected with the other end of the third connecting section (843), the other end of the fourth connecting section (844) horizontally extends toward a direction approaching the inner side plate (81), one end of the fourth connecting section (844) away from the third connecting section (843) extends toward the side member lower side plate (83) to form a fifth connecting section (845), and the fifth connecting section (845) is attached and connected with the inner side plate (81);

and/or, the second connection plate (85) comprises:

a vertical section (851), one end of the vertical section (851) is connected with one end of the side beam lower side plate (83) which is far away from the inner side plate (81), and the other end of the vertical section (851) extends vertically towards a direction approaching the side beam upper side plate (82);

A horizontal segment (852), wherein one end of the horizontal segment (852) is connected with the other end of the vertical segment (851), and the other end of the horizontal segment (852) horizontally extends towards the direction approaching the inner side plate (81);

an inclined section (853), one end of the inclined section (853) being connected to the other end of the horizontal section (852), the other end of the inclined section (853) extending obliquely toward a direction approaching the first connection plate (84);

and one end of the connecting section (854) is connected with the other end of the inclined section (853), and the other end of the connecting section (854) vertically extends towards the direction close to the side beam upper side plate (82) and is attached and connected with the first connecting plate (84).

13. A battery pack, comprising:

a battery cell;

the battery tray (100) according to any one of claims 1-12, the cells being provided within the accommodation space (30).

14. A vehicle comprising the battery pack according to claim 13.