CN218472169U

CN218472169U - Battery tray, battery pack and vehicle

Info

Publication number: CN218472169U
Application number: CN202222586695.9U
Authority: CN
Inventors: 郑剑武; 李欢; 吴先钢; 赖庆; 王亚磊
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-10
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a battery tray, battery package and vehicle. This battery tray includes: tray bottom plate, boundary beam and first fastener, tray bottom plate are used for supporting electric core, and the boundary beam has the supporting part that extends towards the tray bottom plate, and the supporting part supports in the below of tray bottom plate, and tray bottom plate and boundary beam bond fixedly, and first fastener is used for tray bottom plate and boundary beam fixed mounting. According to the utility model discloses battery tray, tray bottom plate and boundary beam bond fixedly, and tray bottom plate and boundary beam are still fixed through first fastener to be favorable to realizing battery tray's automated production, and reduce the deformation that battery tray produced when the assembly, promote battery tray's production yields.

Description

Battery tray, battery pack and vehicle

Technical Field

The utility model relates to a vehicle technical field particularly, relates to a battery tray, battery package and vehicle.

Background

In the related art, the battery tray is mainly manufactured in a tailor-welding mode, the structure of the battery tray is scattered, the welding positions are more, manual work is involved in more processes during welding, the controllability of welding process parameters is poor, the reliability and consistency of welding are difficult to guarantee, the whole battery tray is easy to deform during welding, and the reject ratio of the battery tray is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a battery tray can promote battery tray's production yields.

The utility model also provides a battery package of having above-mentioned battery tray.

The utility model also provides a vehicle of having above-mentioned battery package.

According to the utility model discloses battery tray, include: the tray bottom plate is used for supporting the battery cell; the edge beam is provided with a supporting part extending towards the tray bottom plate, the supporting part is supported below the tray bottom plate, and the tray bottom plate and the edge beam are fixedly bonded; the first fastening piece is used for fixedly assembling the tray bottom plate and the edge beam.

According to the utility model discloses battery tray, tray bottom plate and boundary beam bond fixedly, and tray bottom plate and boundary beam are still fixed through first fastener to be favorable to realizing battery tray's automated production, and reduce the deformation that battery tray produced when the assembly, promote battery tray's production yields.

According to some embodiments of the invention, the support portion has a first boss facing the tray bottom plate, the first boss being bonded to the tray bottom plate.

According to some embodiments of the invention, the first boss has a first glue groove that is towards keeping away from the tray bottom plate is sunken and/or the tray bottom plate has a sixth glue groove that is towards keeping away from the first boss direction is sunken.

According to some embodiments of the invention, the support portion further has a second boss projecting towards the tray bottom plate, the first fastener set in the second boss.

According to the utility model discloses a some embodiments, the boundary beam includes: the first body comprises a main body part and the supporting part, and the supporting part is connected with the main body part.

According to the utility model discloses a some embodiments, the boundary beam still includes: the second body is arranged below the first body, and the second body is fixedly bonded with the first body.

According to some embodiments of the present invention, at least a part of the structure of the second body is located below the supporting portion, the structure of the second body below the supporting portion is provided with a direction toward the convex third boss of the first body, the third boss is bonded and fixed with the supporting portion.

According to some embodiments of the present invention, the supporting portion has a fourth boss protruding toward the second body, and the fourth boss corresponds to the third boss.

According to some embodiments of the invention, the fourth boss abuts the first boss.

According to some embodiments of the invention, the third boss has a second glue groove that is sunken towards keeping away from the supporting part direction and/or the fourth boss has a third glue groove that is sunken towards keeping away from the second body direction.

According to some embodiments of the present invention, the battery tray further comprises: and the second fastener is used for fixedly assembling the support part and the second body, and the second fastener and the third boss are correspondingly arranged.

According to some embodiments of the invention, the structure of the second body below the support portion is provided with a fifth boss facing away from the support portion, the fifth boss adjoining the third boss.

According to some embodiments of the invention, the second body has a connecting portion located below the main body portion, the connecting portion being adhesively secured with the main body portion.

According to some embodiments of the invention, the connecting portion has a fourth glue groove that is recessed towards keeping away from the main body portion and/or the main body portion has a fifth glue groove that is recessed towards keeping away from the connecting portion direction.

According to some embodiments of the present invention, the battery tray further comprises: and the third fastening piece is used for fixedly assembling the connecting part and the main body part, and is arranged corresponding to the connecting part.

According to the utility model discloses on the other hand embodiment's battery package, including electric core, lid and foretell battery tray, the lid with battery tray prescribes a limit to jointly and is used for placing the chamber of placing of electric core, the lid with battery tray connects.

According to the utility model discloses battery package, its tray bottom plate and boundary beam bond fixedly, and tray bottom plate and boundary beam are still fixed through first fastener to be favorable to realizing the automated production of battery tray, and reduce the deformation that the battery tray produced when the assembly, promote the production yields of battery tray, and then are favorable to promoting the reliability of battery package.

According to another aspect of the present invention embodiment, a vehicle includes the above battery pack.

According to the utility model discloses vehicle, its tray bottom plate and boundary beam bond fixedly, and tray bottom plate and boundary beam are still fixed through first fastener to be favorable to realizing the automated production of battery tray, and reduce the deformation that battery tray produced when the assembly, promote the production yields of battery tray, and then are favorable to promoting the reliability of vehicle.

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

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

fig. 2 is an exploded view of an upper frame according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a battery tray and cells according to an embodiment of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is a first process diagram of manufacturing a battery tray according to an embodiment of the present invention;

fig. 6 is a second manufacturing process diagram of a battery tray according to an embodiment of the present invention;

fig. 7 is a third manufacturing process diagram of a battery tray according to an embodiment of the present invention;

fig. 8 is a fourth diagram of a manufacturing process of a battery tray according to an embodiment of the present invention;

fig. 9 is a diagram of a manufacturing process of a battery tray according to an embodiment of the present invention.

Reference numerals:

the battery pack comprises a boundary beam 10, a first body 1, a main body part 11, a top plate 113, a bottom plate 114, a first side plate 115, a second side plate 116, a structural reinforcing plate 117, a first connecting plate 119, a supporting part 12, a first boss 121, a first glue groove 122, a second boss 123, a fourth boss 124, a second body 2, a third boss 21, a second glue groove 22, a fifth boss 23, a connecting part 24, a fourth glue groove 25, a first accommodating space 3, a second accommodating space 4, a tray bottom plate 20, a first fastener 30, a second fastener 40, a third fastener 50, structural glue 60, a plug block 70, a battery tray 100 and a battery cell 200.

Detailed Description

Reference will now be made in detail to the 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 functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The battery tray 100, the battery pack, and the vehicle according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 9.

Referring to fig. 1 to 9, the battery tray 100 includes: pallet base 20, edge rail 10 and first fastener 30, wherein:

the tray bottom plate 20 is used for supporting the battery cell 200, the tray bottom plate 20 can be carried below the battery cell 200 and the battery cell 200, and the tray bottom plate 20 can be a flat plate, so that the tray bottom plate 20 is attached to and fixed to the bottom of the battery cell 200.

The side sill 10 has a support portion 12 extending toward the tray floor 20, the support portion 12 being supported below the tray floor 20, it being understood that a portion of the side sill 10 may be located outside the tray floor 20 for the side sill 10 to be fixed to a vehicle body and/or to a cover of a battery pack, and the support portion 12 of the side sill 10 being fixedly connected to the tray floor 20 below the tray floor 20 to improve the strength and rigidity of the tray floor 20 and the reliability of the battery tray 100.

Tray bottom plate 20 and boundary beam 10 bond fixedly, and tray bottom plate 20 and boundary beam 10 can adopt the structure to glue 60 and bond, and first fastener 30 is used for tray bottom plate 20 and boundary beam 10 fixed mounting, that is to say, tray bottom plate 20 and boundary beam 10 adopt bonding and fastener complex mode to fix, compare with traditional welded fastening, the utility model discloses a battery tray 100 is at tray bottom plate 20 and boundary beam 10 fixed connection's in-process, and tray bottom plate 20 and boundary beam 10 emergence deformation can be avoided in the use of 60 and first fastener 30 to the structure is glued to the use, guarantees battery tray 100's reliability and uniformity to be favorable to promoting battery tray 100's production yields. Meanwhile, due to the use of the structural adhesive 60 and the first fastening piece 30, the tailor welding process of the battery tray 100 is greatly reduced in the production process, so that electrophoretic paint can be hung on corners of the battery tray 100 in the subsequent electrophoresis process, and the corrosion resistance of the whole battery tray 100 is ensured.

In addition, the structural adhesive 60 can be automatically applied by an adhesive applying robot, the adhesive applying amount can be accurately controlled, the first fastening member 30 can be a rivet, and the tray bottom plate 20 and the edge beam 10 can use an automatic riveting process, so that the production efficiency of the battery tray 100 can be greatly improved, and the labor cost can be reduced. Meanwhile, the battery tray 100 can realize full-automatic production, the number of manual participation links is small, the manufacturing period is short, and the production consistency of the battery tray 100 can be effectively ensured. Further, the first fastening member 30 may be a bolt and nut, or a screw or the like.

According to the utility model discloses battery tray 100, tray bottom plate 20 and boundary beam 10 bond fixedly, and tray bottom plate 20 and boundary beam 10 are still fixed through first fastener 30 to be favorable to realizing battery tray 100's automated production, and reduce the deformation that battery tray 100 produced when the assembly, promote battery tray 100's production yields.

In some embodiments of the present invention, as shown in fig. 4 and 5, along the height direction of the battery tray 100, the supporting portion 12 has a first boss 121 protruding toward the tray bottom plate 20, the first boss 121 is bonded to the tray bottom plate 20, the first boss 121 can form a reinforcing rib structure on the supporting portion 12, thereby facilitating to improve the strength and rigidity of the supporting portion 12, and meanwhile, the first boss 121 protrudes toward the tray bottom plate 20, the first boss 121 is suitable for glue coating, so that the supporting portion 12 is bonded to the tray bottom plate 20 at the first boss 121.

The utility model discloses a in some embodiments, first boss 121 has the orientation and keeps away from the sunken first gluey groove 122 of tray bottom plate 20 and/or tray bottom plate 20 has the orientation and keeps away from the sunken sixth gluey groove of first boss 121 direction, first gluey groove 122 and sixth gluey groove can be used to hold structure and glue 60, reducible structure is glued 60 and is extruded outside the bonding region of first boss 121 and tray bottom plate 20 when the pressurize, in order to prevent to appear the condition of scarce gluing between first boss 121 and the tray bottom plate 20, thereby be favorable to promoting the bonding strength of first boss 121 and tray bottom plate 20.

In an embodiment of the utility model, as shown with reference to fig. 4 and 5, first boss 121 has the first gluey groove 122 that the tray bottom plate 20 is sunken to keep away from towards, first gluey groove 122 is suitable for holding structure and glues 60, in the process that first boss 121 and tray bottom plate 20 bond, need carry out the pressurize to battery tray 100, glue 60 complete solidification until the structure, first gluey groove 122 can reduce the structure when the pressurize and glue 60 outside first boss 121 of extrusion, in order to prevent the condition of scarce glue, thereby be favorable to promoting the bonding strength of first boss 121 and tray bottom plate 20. In addition, the first glue groove 122 may also form a strong rib structure on the first boss 121, thereby facilitating to improve the strength and rigidity of the first boss 121, and reducing the deformation of the first boss 121 when stressed.

In another embodiment of the present invention (not shown in the figures), the tray bottom plate 20 has a sixth glue groove recessed towards the direction away from the first boss 121, the sixth glue groove corresponds to the first boss 121, and the sixth glue groove is used for accommodating the structural glue 60 and improving the strength and rigidity of the tray bottom plate 20.

In a further embodiment of the present invention (not shown in the figure), the first boss 121 has a first glue groove 122 recessed towards the direction away from the tray bottom plate 20, and the tray bottom plate 20 has a sixth glue groove recessed towards the direction away from the first boss 121, the first glue groove 122 is used for accommodating the structural glue 60 and improving the strength and rigidity of the first boss 121, and the sixth glue groove is used for accommodating the structural glue 60 and improving the strength and rigidity of the tray bottom plate 20.

In some embodiments of the present invention, as shown in fig. 4 and 5, the supporting portion 12 further has a second boss 123 protruding toward the tray bottom plate 20, the first fastener 30 is disposed on the second boss 123, and the second boss 123 forms a rib structure on the supporting portion 12, so as to facilitate enhancing the strength and rigidity of the supporting portion 12, and meanwhile, the second boss 123 protrudes toward the tray bottom plate 20, so that the first fastener 30 penetrates through the tray bottom plate 20 and the second boss 123, and the riveting and fixing between the tray bottom plate 20 and the side beam 10 are achieved. In addition, the second bosses 123 are also suitable for applying glue, so that the supporting portions 12 are bonded with the tray bottom plate 20 at the second bosses 123 while being riveted, and the connection strength between the supporting portions 12 and the tray bottom plate 20 is improved.

In some embodiments of the present invention, as shown in fig. 4 and 5, the edge beam 10 includes: the first body 1, the first body 1 includes a main body portion 11 and a supporting portion 12, the supporting portion 12 is connected to the main body portion 11, the first body 1 may be an integrally formed part, the main body portion 11 may be located on an outer side of the tray bottom plate 20, and the main body portion 11 may be used for fixing the edge beam 10 to a vehicle body and/or a cover of a battery pack.

In some embodiments of the present invention, as shown in fig. 4 and 5, the main body portion 11 may include: roof 113, bottom plate 114, first curb plate 115, second curb plate 116, structure reinforcing plate 117 and first connecting plate 119, roof 113 and bottom plate 114 interval setting in the direction of height of boundary beam 10, first curb plate 115 and second curb plate 116 interval setting in the width direction of boundary beam 10, first curb plate 115 is connected between roof 113 and bottom plate 114, be connected with structure reinforcing plate 117 between roof 113 and the bottom plate 114, structure reinforcing plate 117 is located between first curb plate 115 and the second curb plate 116, structure reinforcing plate 117 upper end has first connecting plate 119, first connecting plate 119 and roof 113 welded connection, the setting can promote the structural strength and the rigidity of boundary beam 10 like this, also can promote boundary beam 10 structural stability, can reduce boundary beam 10 deformation risk.

In addition, in the width direction of the boundary beam 10, the structural reinforcing plate 117, the first side plate 115 and the second side plate 116 are arranged at intervals, a first cavity is defined by the structural reinforcing plate 117, the bottom plate 114, the first side plate 115 and the top plate 113, a second cavity is defined by the structural reinforcing plate 117, the second body 2, the second side plate 116 and the top plate 113, the first cavity and the second cavity are arranged in the width direction of the boundary beam 10, when the first cavity is impacted, the first cavity can absorb the impact force, the size of the impact force transmitted to the inside of the battery pack is reduced, the risk that the battery cell 200 in the battery pack is impacted can be reduced, and therefore the use safety of the battery pack can be improved.

In some embodiments of the present invention, referring to fig. 4 and 5, the main body 11 is formed by bending integrally, the first connecting plate 119 is fixed with the first body 1 at the lap joint by laser welding to improve the strength of the main body 11, and compared with the horizontal or vertical structure, the structural reinforcing plate 117 disposed obliquely can improve the overall strength, the inclination angle of the structural reinforcing plate 117 relative to the bottom plate 114 is α, and α satisfies the relationship: 45 DEG < alpha < 80 DEG to ensure the effect of the structural reinforcing plate 117 in enhancing the strength of the main body portion 11.

Referring to fig. 4 and 5, the second side plate 116 may be obliquely disposed, and the second side plate 116 and the structural reinforcing plate 117 form a triangle-like structure, so as to avoid concentration of stress at the structural reinforcing plate 117 and the second side plate 116, effectively improve a vibration mode of the battery tray 100, and improve an overall strength of the battery tray 100 by using a most stable feature of the triangle, and optionally, an inclination angle of the second side plate 116 with respect to the bottom plate 114 is β, where β satisfies a relation: alpha is more than 45 degrees and less than 90 degrees.

In some embodiments of the present invention, referring to fig. 4, 6 and 7, the edge beam 10 further includes: second body 2, second body 2 locate first body 1 below, and second body 2 and first body 1 bonding are fixed, that is to say, second body 2 and first body 1 are the components of a whole that can function independently machined to it is fixed with second body 2 and first body 1 through the mode of bonding, and the mode of bonding can avoid second body 2 and first body 1 to take place to warp when fixed, guarantees battery tray 100's uniformity, promotes battery tray 100's production yields.

It can be understood that, second body 2 sets up to the components of a whole that can function independently machined part with first body 1, can independent production second body 2 and first body 1, but independent adjustment second body 2, the thickness and the material of first body 1 make boundary beam 10 satisfy the designing requirement of different position intensity, weight, compare with the integrative roll-in boundary beam that can only integral adjustment thickness and material, the utility model discloses boundary beam 10 manufacturing cost reduces, and simultaneously, integrative roll-in boundary beam is difficult to integrative roll-in complicated cross-section, the embodiment of the utility model provides a through setting up boundary beam 10 to split type structure, can form the boundary beam 10 of more complicated cross-section, make boundary beam 10 satisfy the designing requirement of different position intensity, weight.

In some embodiments of the present invention, referring to fig. 4, fig. 6 and fig. 7, at least a part of the structure of the second body 2 is located below the supporting portion 12, the structure of the second body 2 located below the supporting portion 12 is provided with a third boss 21 protruding toward the first body 1, the third boss 21 is bonded and fixed with the supporting portion 12, the third boss 21 forms a reinforcing rib structure on the second body 2, thereby being beneficial to improving the strength and rigidity of the second body 2, and further after the third boss 21 is bonded and fixed with the supporting portion 12, the bearing capacity of the supporting portion 12 can be improved.

In some embodiments of the present invention, as shown in fig. 4 to 7, along the height direction of the battery tray 100, the supporting portion 12 has a fourth boss 124 protruding toward the second body 2, the fourth boss 124 corresponds to the third boss 21, and the fourth boss 124 forms a reinforcing rib structure on the supporting portion 12, so as to improve the strength and rigidity of the supporting portion 12, and meanwhile, the fourth boss 124 is suitable for glue coating, so that the fourth boss 124 and the third boss 21 are bonded after glue coating.

In some embodiments of the present invention, as shown in fig. 4 to 7, the fourth protrusion 124 is adjacent to the first protrusion 121, and since the protruding direction of the fourth protrusion 124 is opposite to the protruding direction of the first protrusion 121, the fourth protrusion 124 and the first protrusion 121 may provide an excessive glue space to avoid the uneven pressure maintaining problem. Specifically, when the fourth boss 124 is bonded to the second body 2, the structural adhesive 60 between the fourth boss 124 and the second body 2 may overflow to the adhesive overflow space provided by the first boss 121 during pressure holding, and when the first boss 121 is bonded to the tray bottom plate 20, the structural adhesive 60 between the fourth boss 124 and the second body 2 may overflow to the adhesive overflow space provided by the fourth boss 124 during pressure holding.

In some embodiments of the present invention, the third boss 21 has the second glue groove 22 and/or the fourth boss 124 sunken towards the direction of keeping away from the supporting portion 12 has the third glue groove sunken towards the direction of keeping away from the second body 2, the second glue groove 22 and the third glue groove can be used for holding the structure glue 60, the reducible structure glue 60 extrudes outside the third boss 21 and the fourth boss 124 during the pressure maintaining, so as to prevent the glue shortage between the third boss 21 and the fourth boss 124, thereby being favorable to promoting the bonding strength of the third boss 21 and the fourth boss 124.

In an embodiment of the present invention, referring to fig. 4, the third boss 21 has a second glue groove 22 recessed towards the direction away from the supporting portion 12, and the second glue groove 22 is used for accommodating the structural glue 60 and improving the strength and rigidity of the third boss 21.

In another embodiment of the present invention (not shown in the figures), the fourth boss 124 has a third glue groove recessed towards the direction away from the second body 2, and the third glue groove is used for accommodating the structural glue 60 and improving the strength and rigidity of the fourth boss 124.

In a further embodiment of the present invention (not shown in the figure), the third boss 21 has a second glue groove 22 recessed towards the direction of keeping away from the supporting portion 12, and the fourth boss 124 has a third glue groove recessed towards the direction of keeping away from the second body 2, the second glue groove 22 is used for accommodating the structural glue 60 and improving the strength and rigidity of the third boss 21, and the third glue groove is used for accommodating the structural glue 60 and improving the strength and rigidity of the fourth boss 124.

In some embodiments of the present invention, as shown with reference to fig. 4-7, the battery tray 100 further includes: the second fastener 40, the second fastener 40 is used for fixing the supporting part 12 and the second body 2, and the second fastener 40 corresponds the setting with the third boss 21, the fourth boss 124 and the third boss 21 can be the straight section at the junction, the second fastener 40 can wear to establish the straight section of the fourth boss 124 and the straight section of the third boss 21, in order to realize that the fourth boss 124 and the third boss 21 are in the bonding, still connect through the second fastener 40, thereby be favorable to promoting the joint strength of the first body 1 and the second body 2. Alternatively, the second fastener 40 is a rivet, and the fourth boss 124 and the third boss 21 are riveted by the second fastener 40. Furthermore, the second fastener 40 may also be a bolt and nut, or a screw or other fastener.

In some embodiments of the present invention, as shown in fig. 4-7, the structure of the second body 2 below the supporting portion 12 is provided with a fifth boss 23 protruding towards the supporting portion 12, the fifth boss 23 is adjacent to the third boss 21, the fifth boss 23 can form a reinforcing rib structure on the second body 2, thereby being beneficial to improving the strength and rigidity of the second body 2, and meanwhile, because the protruding direction of the fifth boss 23 is opposite to that of the third boss 21, the fifth boss 23 can provide an excessive glue space for the third boss 21, thereby avoiding the uneven pressure maintaining condition. Specifically, when the third boss 21 is bonded to the first body 1, the structural adhesive 60 between the third boss 21 and the first body 1 may overflow the overflow space provided by the fifth boss 23 during pressure maintaining.

In some embodiments of the present invention, referring to fig. 4-7, the second body 2 has the connecting portion 24 located below the main body portion 11, the connecting portion 24 is bonded and fixed with the main body portion 11, and the bonding manner can avoid the connecting portion 24 and the main body portion 11 from deforming when being fixed, so as to ensure the consistency of the battery tray 100 and improve the yield of the battery tray 100.

In some embodiments of the utility model, connecting portion 24 has the orientation and keeps away from the sunken fourth gluey groove 25 of main part 11 and/or main part 11 has the orientation and keeps away from the sunken fifth gluey groove of connecting portion 24, and fourth gluey groove 25 and fifth gluey groove can be used to hold structure glue 60, and reducible structure glue 60 extrudes outside the bonding region of connecting portion 24 and main part 11 when the pressurize to the condition of scarce glue appears between preventing connecting portion 24 and the main part 11, thereby be favorable to promoting the bonding strength of connecting portion 24 and main part 11.

In an embodiment of the present invention, referring to fig. 4-7, the connecting portion 24 has a fourth glue groove 25 recessed toward the main body portion 11, the fourth glue groove 25 is suitable for accommodating the structural glue 60, and the fourth glue groove 25 can reduce the structural glue 60 from extruding out of the connecting portion 24 during pressure maintaining, so as to prevent the occurrence of glue shortage, thereby facilitating the improvement of the bonding strength between the connecting portion 24 and the main body portion 11. In addition, the fourth glue groove 25 can also form a strong rib structure on the connecting portion 24, thereby being beneficial to improving the strength and rigidity of the connecting portion 24 and reducing the deformation of the connecting portion 24 when being stressed.

In another embodiment of the present invention (not shown in the figure), the main body 11 has a fifth glue groove recessed toward the far away connecting portion 24, the fifth glue groove corresponds to the connecting portion 24, and the fifth glue groove is used for accommodating the structural glue 60 and improving the strength and rigidity of the main body 11.

In yet another embodiment of the present invention (not shown in the figure), the connecting portion 24 has a fourth glue groove 25 recessed towards the far away main body portion 11, and the main body portion 11 has a fifth glue groove recessed towards the far away connecting portion 24, the fourth glue groove 25 is used for accommodating the structural glue 60 and improving the strength and rigidity of the connecting portion 24, and the fifth glue groove is used for accommodating the structural glue 60 and improving the strength and rigidity of the main body portion 11.

In some embodiments of the present invention, as shown with reference to fig. 4-7, the battery tray 100 further includes: and a third fastening member 50, wherein the third fastening member 50 is used for fixedly assembling the connecting part 24 and the main body part 11, and the third fastening member 50 is arranged corresponding to the connecting part 24. The third fastener 50 can penetrate the connecting portion 24 and the main body portion 11, and the connecting portion 24 and the main body portion 11 are connected by the third fastener 50 while being bonded, thereby being beneficial to improving the connection strength of the connecting portion 24 and the main body portion 11. Alternatively, the third fastening member 50 is a rivet, and the connecting portion 24 and the body portion 11 are riveted by the second fastening member 40. Furthermore, the third fastener 50 may also be a bolt and nut, or a screw or other fastener.

In some embodiments of the present invention, the battery tray 100 includes: tray bottom plate 20, a plurality of boundary beams 10 and a plurality of first fastener 30, every boundary beam 10 all bonds with tray bottom plate 20, and every boundary beam 10 all can rivet with tray bottom plate 20 through a plurality of first fasteners 30, and simultaneously, first body 1 and second body 2 of every boundary beam 10 also are through bonding and riveted mode fixed connection, therefore, with the welding that reduces battery tray 100 in the manufacturing process, thereby be favorable to reducing the welding deformation that battery tray 100 produced in the manufacturing process, promote battery tray 100's yields, and when battery tray 100 electrophoresis or the processing of spraying paint, can avoid leading to the problem of battery tray 100 corrosion because the welding seam is difficult for hanging electrophoresis liquid or paint.

Further, the first body 1 and the second body 2 of the edge beam 10 are at least partially of a wave-shaped structure below the tray bottom plate 20, and compared with a plane structure, the wave-shaped structure can improve the rigidity of the edge beam 10, prevent the edge beam 10 from deforming during vibration, avoid the excessive stress of the structural adhesive 60, and reduce the risk of failure of the structural adhesive 60. The wave structure can improve the strength and rigidity of the first body 1 and the second body 2, the tray bottom plate 20 and the first body 1 form a first accommodating space 3 at the wave crest (the fourth boss 124) and the wave trough (the fourth boss 124), the first accommodating space 3 is suitable for accommodating the second fastener 40 and glue overflow, the first body 1 and the second body 2 form a second accommodating space 4 at the wave crest (the first boss 121) and the wave trough (the fifth boss 23) at the wave trough, and the second accommodating space 4 is suitable for accommodating glue overflow and avoiding the first glue groove 122 on the first body 1.

In addition, the first body 1 and the second body 2 of boundary beam 10 all can be equipped with gluey groove in gummed position department, glues the groove and both can promote the structural strength of boundary beam 10, can also hold the structure through gluing the groove and glue 60, promotes the adhesive strength that the structure glued 60.

From this, according to the utility model discloses battery tray 100, through bonding and riveted mode effectively low reliability that tray bottom plate 20 and boundary beam 10 are connected that has improved, and carry on the biggest atress region department that electric core 200 bore at tray bottom plate 20, boundary beam 10 adopts wave structure and glues 60 bonding continuously through the structure with tray bottom plate 20 in many places, boundary beam 10 still is equipped with gluey groove in bonding department, when improving bonding strength, boundary beam 10 and battery tray 100's bulk strength has also been improved, thereby be favorable to improving battery tray 100's vibration mode.

In some embodiments of the present invention, referring to fig. 4, the fourth bosses 124 and the first bosses 121 on the first body 1 can be alternately connected and provided in plurality, the second body 2 is correspondingly provided with a plurality of third bosses 21 and fifth bosses 23, the second bosses 123 on the first body 1 are provided adjacent to the main body 11, and one end of the first body 1, which is far away from the main body 11, is respectively connected to the tray bottom plate 20 and the second body 2 through the structural adhesive 60.

In some embodiments of the present invention, referring to fig. 1, the tray bottom plate 20 is a rectangular plate, the battery tray 100 includes four boundary beams 10 that are annularly disposed at the edge of the rectangular plate, the four boundary beams 10 are a front boundary beam, a rear boundary beam, a left boundary beam and a right boundary beam, and each boundary beam 10 includes a first body 1 and a second body 2.

Referring to fig. 1 to 9, a method of manufacturing the battery tray 100 includes the steps of:

step S11, referring to fig. 5, the first body 1 of the front side beam, the rear side beam, the left side beam and the right side beam is manufactured by bending, punching and on-line laser welding.

The first body 1 is bent to form a corresponding shape, the punched hole is formed to form a through hole suitable for the first fastener 30 to pass through, and the first connecting plate 119 and the top plate 113 are fixed by line laser welding.

Step S12, referring to fig. 2, laser cutting is performed on the first bodies 1 of the front side beam, the rear side beam, the left side beam and the right side beam, and the plugs 70 are placed at the joints of two adjacent side beams 10, and are formed by tailor welding to form the upper frame structure of the battery tray 100.

The welding of the chock block 70 can effectively guarantee the welding tightness and the welding strength, and the welding is positioned before gluing, so that the structural adhesive 60 can be prevented from being failed due to welding.

Step S13, referring to fig. 6, a first preset area at the bottom of the upper frame is coated with a structural adhesive 60;

the preset area is an area where the first body 1 and each second body 2 of the front edge beam, the rear edge beam, the left edge beam and the right edge beam are correspondingly attached.

Step S14, referring to fig. 7, the upper frame and the lower frame are assembled and fixed by using a riveting process and a structural adhesive 60.

Wherein, the lower frame is the frame construction that the second body 2 of preceding boundary beam, back boundary beam, left boundary beam and right boundary beam formed.

Step S15, referring to fig. 8, a second predetermined area on the upper surface of the upper frame is coated with a structural adhesive 60.

The second preset area is an area where the upper frame is correspondingly attached to the tray bottom plate 20.

Step S16, referring to fig. 9, the upper frame and the pallet base 20 are assembled and fixed by using a rivet connection process and combining the structural adhesive 60.

Step S17, the whole battery tray 100 is subjected to pressure maintaining until the structural adhesive 60 is completely cured.

According to the utility model discloses on the other hand embodiment's battery package includes: the battery tray 100 of the above embodiment, the battery cell 200, and the cover, the cover and the battery tray 100 together define a placing cavity for placing the battery cell 200, the cover is connected with the battery tray 100, and the cover and the battery tray 100 can protect and fix the battery cell 200.

According to the utility model discloses battery package, its tray bottom plate 20 and boundary beam 10 bond fixedly, and tray bottom plate 20 and boundary beam 10 are still fixed through first fastener 30 to be favorable to realizing battery tray 100's automated production, and reduce the deformation that battery tray 100 produced when the assembly, promote battery tray 100's production yields, and then be favorable to promoting battery package's reliability.

According to another aspect embodiment of the present invention, a vehicle includes the battery pack of the above embodiment.

According to the utility model discloses vehicle, its tray bottom plate 20 and boundary beam 10 bond fixedly, and tray bottom plate 20 and boundary beam 10 are still fixed through first fastener 30 to be favorable to realizing battery tray 100's automated production, and reduce the deformation that battery tray 100 produced when the assembly, promote battery tray 100's production yields, and then be favorable to promoting the reliability of vehicle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A battery tray, comprising:

a tray floor (20), the tray floor (20) being configured to support the cells (200);

the edge beam (10) is provided with a supporting part (12) extending towards the tray bottom plate (20), the supporting part (12) is supported below the tray bottom plate (20), and the tray bottom plate (20) and the edge beam (10) are fixedly bonded;

the first fastening piece (30) is used for fixedly assembling the tray bottom plate (20) and the edge beam (10).

2. The battery tray according to claim 1, wherein the support part (12) has a first boss (121) protruding toward the tray bottom plate (20), the first boss (121) being bonded to the tray bottom plate (20).

3. A battery tray according to claim 2, characterized in that the first bosses (121) have first glue grooves (122) recessed towards the direction away from the tray bottom plate (20) and/or the tray bottom plate (20) has sixth glue grooves recessed towards the direction away from the first bosses (121).

4. The battery tray according to claim 2, wherein the support portion (12) further has a second boss (123) protruding toward the tray bottom plate (20), the first fastening member (30) being provided to the second boss (123).

5. The battery tray according to claim 2, characterized in that the edge beam (10) comprises: a first body (1), the first body (1) comprising a main body portion (11) and the support portion (12), the support portion (12) being connected to the main body portion (11).

6. The battery tray according to claim 5, wherein the edge beam (10) further comprises: the second body (2) is arranged below the first body (1), and the second body (2) is fixedly bonded with the first body (1).

7. The battery tray according to claim 6, wherein at least a part of the structure of the second body (2) is located below the support portion (12), and the structure of the second body (2) located below the support portion (12) is provided with a third boss (21) protruding toward the first body (1), and the third boss (21) is adhesively fixed to the support portion (12).

8. The battery tray according to claim 7, wherein the support portion (12) has a fourth boss (124) protruding toward the second body (2), the fourth boss (124) being provided in correspondence with the third boss (21).

9. The battery tray according to claim 8, characterized in that the fourth boss (124) abuts the first boss (121).

10. Battery tray according to claim 8, characterized in that the third boss (21) has a second glue groove (22) recessed away from the support (12) and/or the fourth boss (124) has a third glue groove recessed away from the second body (2).

11. The battery tray of claim 7, further comprising: a second fastening member (40), wherein the second fastening member (40) is used for fixedly assembling the support part (12) and the second body (2), and the second fastening member (40) is arranged corresponding to the third boss (21).

12. A battery tray according to claim 7, characterized in that the structure of the second body (2) below the support (12) is provided with a fifth boss (23) projecting away from the support (12), the fifth boss (23) being contiguous with the third boss (21).

13. The battery tray according to claim 6, wherein the second body (2) has a connecting portion (24) located below the main body portion (11), and the connecting portion (24) is adhesively fixed to the main body portion (11).

14. A battery tray according to claim 13, characterized in that the connecting part (24) has a fourth glue groove (25) recessed away from the main part (11) and/or the main part (11) has a fifth glue groove recessed away from the connecting part (24).

15. The battery tray of claim 13, further comprising: a third fastening member (50), wherein the third fastening member (50) is used for fixedly assembling the connecting part (24) and the main body part (11), and the third fastening member (50) is arranged corresponding to the connecting part (24).

16. A battery pack, comprising:

a battery cell (200);

a battery tray according to any one of claims 1 to 15;

the cover body and the battery tray jointly define a placing cavity for placing the battery core (200), and the cover body is connected with the battery tray.

17. A vehicle characterized by comprising the battery pack according to claim 16.