CN217158404U

CN217158404U - Tray bottom plate, battery tray, power battery package and vehicle

Info

Publication number: CN217158404U
Application number: CN202220563487.4U
Authority: CN
Inventors: 李建强; 唐江龙; 万龙; 王�琦; 尧宇超
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-09
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a tray bottom plate, the battery tray, power battery package and vehicle, tray bottom plate includes bottom plate body and first support arch, the bottom plate body is injectd and is held the chamber, it is used for holding the battery to hold the chamber, the bottom surface that holds the chamber is suitable for to splice fixedly with the battery through first gluey union piece, first support arch is located the bottom surface that holds the chamber and is protruded in the bottom surface setting that holds the chamber, first support arch is injectd first appearance with the bottom surface that holds the chamber jointly and is glued the district, first appearance is glued the district and is used for holding first gluey union piece, first support arch is used for supporting the battery, and first support arch and bottom plate body are integrative. According to the utility model discloses a tray bottom plate has higher machining efficiency, and tray bottom plate and battery equipment process are simple, the packaging efficiency is higher.

Description

Tray bottom plate, battery tray, power battery package and vehicle

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to a tray bottom plate, battery tray, power battery package and vehicle are related to.

Background

In the related technology, the battery of the battery pack is fixed with the tray bottom plate through a glue joint piece, and a glue limiting strip is usually additionally arranged on the surface of the tray bottom plate to limit the thickness of the glue joint piece between the battery and the tray bottom plate; however, the number of the limit adhesive tapes is large, and the limit adhesive tapes need to be manually adhered to the bottom plate surface of the tray in advance, so that the number of the assembly parts of the battery pack is large, the assembly process is complicated, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a tray bottom plate, tray bottom plate has higher machining efficiency, and tray bottom plate and battery equipment process are simple, the packaging efficiency is higher.

The utility model discloses still provide a battery tray that has above-mentioned tray bottom plate.

The utility model discloses still provide a power battery package that has above-mentioned battery tray.

The utility model discloses still provide a vehicle that has above-mentioned power battery package.

According to the utility model discloses tray bottom plate of first aspect embodiment includes: the bottom plate comprises a bottom plate body, wherein the bottom plate body defines an accommodating cavity, the accommodating cavity is used for accommodating a battery, and the bottom surface of the accommodating cavity is suitable for being fixedly bonded with the battery through a first bonding part; first supporting protrusion, first supporting protrusion is located hold the bottom surface in chamber and protrusion in the bottom surface setting that holds the chamber, first supporting protrusion with the bottom surface that holds the chamber is injectd first holding jointly and is glued the district, first holding is glued the district and is used for holding first gluey union piece, first supporting protrusion is used for supporting the battery, just first supporting protrusion with the bottom plate body is an organic piece.

According to the utility model discloses tray bottom plate, set up first support arch through the bottom surface that holds the chamber, and make first support arch protrusion in the bottom surface that holds the chamber, and first support arch prescribes a limit to first appearance jointly with the bottom surface that holds the chamber and glue the district, first appearance is glued the district and is used for holding the battery and holds the first gluey union piece between the chamber bottom surface, and first support arch is integrative with the bottom plate body, it sets up first support arch alone in addition to need not the manual work, the machining efficiency of tray bottom plate has been promoted, and the equipment process of tray bottom plate and battery has been simplified, the packaging efficiency of tray bottom plate and battery has been promoted.

In some embodiments, a plurality of first supporting protrusions arranged at intervals in a first direction form a plurality of protrusion groups, and the plurality of protrusion groups are arranged at intervals in a second direction, which is perpendicular to the first direction.

In some embodiments, the projection portions of the first support protrusions of two adjacent protrusion sets along the first direction are coincident.

In some embodiments, the first support protrusion has a height h1, 0.5mm ≦ h1 ≦ 1.5 mm.

In some embodiments, the tray floor is a piece of insulating material and is a one-piece part.

In some embodiments, the backplane body comprises: the main body part comprises a bottom plate and a side plate, the side plate is arranged around the bottom plate, the side plate and the bottom plate jointly define the accommodating cavity, a second supporting protrusion is arranged on the bottom surface of the bottom plate, the bottom surface of the bottom plate is suitable for being fixedly bonded with a tray frame through a second bonding part, the second supporting protrusion and the bottom surface of the bottom plate jointly define a second adhesive accommodating area, the second adhesive accommodating area is used for accommodating the second bonding part, and the second supporting protrusion is used for being matched with the tray frame in an abutting mode; the extension, the extension is located the border department of curb plate and centers on the curb plate sets up, the bottom surface of extension is equipped with the third and supports protrudingly, the bottom surface of extension be suitable for glue through the third union piece with the tray frame splices fixedly, the third support protruding with the bottom surface of extension prescribes a limit to the third jointly and holds gluey district, the third holds gluey district and is used for holding the third and glues the union piece, the third support protruding be used for with the tray frame ends to support the cooperation.

In some embodiments, the second supporting protrusions are provided in plurality, and the plurality of second supporting protrusions are respectively provided at two side edges of the bottom plate in the first direction.

In some embodiments, the extension portion is formed with a plurality of avoiding through holes, the avoiding through holes are arranged at intervals along the periphery of the main body portion, and at least one third supporting protrusion is arranged between any two adjacent avoiding through holes.

In some embodiments, the height of the second support protrusion is h2, 0.5mm ≦ h2 ≦ 1.5 mm; and/or the height of the third supporting protrusion is h3, and h3 is more than or equal to 0.5mm and less than or equal to 1.5 mm.

According to the utility model discloses battery tray of second aspect embodiment includes: a tray base plate according to an embodiment of the above first aspect of the present invention; the tray frame surrounds the tray bottom plate and is fixedly connected with the tray bottom plate.

According to the utility model discloses battery tray, through adopting foretell tray bottom plate, be favorable to promoting battery tray's machining efficiency.

In some embodiments, the backplane body comprises: the main part, the main part includes bottom plate and curb plate, the curb plate centers on the bottom plate sets up just the curb plate with the bottom plate is injectd jointly hold the chamber, the bottom surface of bottom plate is equipped with the second and supports protrudingly, the underrun second of bottom plate glue the union piece with the tray frame splices fixedly, the second support protruding with the second is injectd jointly to the bottom surface of bottom plate and is held gluey the district, the second holds gluey district and holds the second glues the union piece, the second support protruding with the cooperation of ending of tray frame, wherein, the protruding orientation of second support hold the center in chamber extend to at least with the inner border of tray frame flushes.

According to the utility model discloses power battery package of third aspect embodiment includes: a battery; battery tray, battery tray is according to the utility model discloses the battery tray of above-mentioned first aspect embodiment, it holds to hold the chamber the battery, the bottom surface that holds the chamber with the battery splices fixedly.

According to the utility model discloses power battery package through adopting foretell battery tray, can promote the packaging efficiency of power battery package.

In some embodiments, the number of the batteries is multiple, the multiple batteries are sequentially arranged along a second direction, the length of each battery extends along a first direction, at least three first supporting protrusions are supported at the bottom of each battery, and the first direction is perpendicular to the second direction.

In some embodiments, two of the first support protrusions located at both ends in the first direction among the plurality of first support protrusions for supporting the same battery are equidistant from the corresponding ends of the battery.

According to the utility model discloses vehicle of fourth aspect embodiment, include according to the utility model discloses the power battery package of above-mentioned third aspect embodiment.

According to the utility model discloses vehicle, through adopting foretell power battery package, can promote the packaging efficiency 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

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

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

FIG. 2 is another schematic view of the tray deck shown in FIG. 1;

FIG. 3 is an enlarged view of the circled portion C of FIG. 1;

FIG. 4 is yet another schematic view of the tray floor shown in FIG. 1;

FIG. 5 is an enlarged view of the circled portion D of FIG. 4;

FIG. 6 is a partial schematic view of the tray floor shown in FIG. 4;

fig. 7 is a cross-sectional view of a battery tray according to an embodiment of the present invention;

FIG. 8 is an enlarged view of section E circled in FIG. 7;

fig. 9 is an exploded view of a power battery pack according to an embodiment of the present invention;

FIG. 10 is a schematic view of the assembly of the tray floor and battery shown in FIG. 9;

fig. 11 is a schematic view of the tray frame shown in fig. 9.

Reference numerals:

a battery tray 100, a power battery pack 200, a battery 101,

A tray bottom plate 1,

A bottom plate body 11, an accommodating cavity 110, a first glue accommodating area 11a, a glue accommodating sub-groove 11b,

A main body 111, a bottom plate 1111, a side plate 1112,

An extension 112, an avoiding through hole 112b, an extension 1121,

A second supporting protrusion 113, a third supporting protrusion 114,

A first supporting bulge 12,

A convex group 13,

Tray frame 2, boundary beam 21, first beam 211, second beam 212.

Detailed Description

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

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Next, with reference to the drawings, a tray bottom plate 1 according to an embodiment of the present invention is described.

As shown in fig. 1 and 2, the tray base plate 1 includes a base plate body 11, the base plate body 11 defines an accommodating cavity 110, the accommodating cavity 110 is used for accommodating the battery 101, and a bottom surface of the accommodating cavity 110 is suitable for being fixed to the battery 101 through a first adhesive member in an adhesive manner, so as to ensure that the battery 101 is stably arranged in the accommodating cavity 110.

The tray bottom plate 1 further comprises first supporting protrusions 12, the first supporting protrusions 12 are arranged on the bottom surface of the accommodating cavity 110, the first supporting protrusions 12 protrude out of the bottom surface of the accommodating cavity 110, a first glue accommodating area 11a is defined by the first supporting protrusions 12 and the bottom surface of the accommodating cavity 110 together, then the side walls of the first supporting protrusions 12 participate in defining the side walls of the first glue accommodating area 11a, the first glue accommodating area 11a is used for accommodating a first glue connecting piece, and the first supporting protrusions 12 are used for supporting the battery 101.

It can be seen that, when the tray bottom plate 1 is used for the power battery pack 200, the first supporting protrusion 12 can support the bottom of the battery 101, the first supporting protrusion 12 is arranged between the battery 101 and the bottom surface of the accommodating cavity 110, the first adhesive member is also arranged between the battery 101 and the bottom surface of the accommodating cavity 110, and the first adhesive member fixedly connects the bottom of the battery 101 with the bottom surface of the accommodating cavity 110; the first glue connecting piece is arranged at the edge of the first supporting protrusion 12, the surface of the first glue connecting piece, which is glued with the battery 101, and the surface of the first supporting protrusion 12, which supports the battery 101, can be basically positioned on the same plane, so that the thickness of the first glue connecting piece is consistent with the height of the first supporting protrusion 12, the first supporting protrusion 12 can play a role in limiting the thickness of the first glue connecting piece, the thickness of the first glue connecting piece can be adjusted by adjusting the height of the first supporting protrusion 12, the gluing strength of the first glue connecting piece is ensured, and the reliable gluing of the tray bottom plate 1 and the battery 101 is ensured.

Wherein, first protruding 12 of support and bottom plate body 11 are integrative, then tray bottom plate 1 and battery 101 assembling process, need not personnel and paste the limit adhesive tape in advance in the bottom surface that holds chamber 110, then need not additionally to increase spare part, therefore, the cost is reduced, the problem of pasting the mistake probably exists when having avoided the artifical limit adhesive tape of pasting in later stage simultaneously, the manual operation process of first protruding 12 of support has been saved, the machining efficiency of tray bottom plate 1 has been promoted, and the equipment process of tray bottom plate 1 and battery 101 has been simplified, the packaging efficiency of tray bottom plate 1 and battery 101 has been promoted, the joint strength between first protruding 12 of support and bottom plate body 11 has been guaranteed simultaneously.

According to the utility model discloses tray bottom plate 1, set up first support arch 12 through the bottom surface that holds chamber 110, and make first support arch 12 protrusion in the bottom surface that holds chamber 110, and first support arch 12 is injectd first appearance jointly with the bottom surface that holds chamber 110 and is glued district 11a, first appearance is glued district 11a and is used for holding first gluey union piece, and first support arch 12 is an organic piece with bottom plate body 11, it sets up first support arch 12 alone in addition to need not the manual work, the machining efficiency of tray bottom plate 1 has been promoted, and the equipment process of tray bottom plate 1 with battery 101 has been simplified, the packaging efficiency of tray bottom plate 1 with battery 101 has been promoted.

It will be appreciated that the cross-sectional shape of the first support protrusion 12 may be specifically set according to actual requirements.

Alternatively, the first supporting protrusions 12 and the bottom plate body 11 are a hot-pressed integrated piece, and the material of the first supporting protrusions 12 is the same as that of the bottom plate body 11.

In some embodiments, as shown in fig. 1 and 2, a plurality of first supporting protrusions 12 spaced apart in a first direction (for example, AA 'direction in fig. 1) form a plurality of protrusion groups 13, the plurality of protrusion groups 13 is plural, and the plurality of protrusion groups 13 is spaced apart in a second direction (for example, BB' direction in fig. 1), the first direction is perpendicular to the second direction, so that the plurality of first supporting protrusions 12 on the bottom surface of the accommodating chamber 110 can be arranged in a plurality of rows and columns along the second direction and the first direction, thereby simplifying the arrangement of the plurality of first supporting protrusions 12, facilitating the processing of the first supporting protrusions 12, and simultaneously defining a glue-receiving groove 11b between any two adjacent first supporting protrusions 12 in each protrusion group 13 and between the first supporting protrusions 12 adjacent to the edge of the bottom plate body 11 in each protrusion group 13 and the edge of the bottom plate body 11, respectively, the glue-receiving groove 11b receiving a portion of the first glue-receiving member, every protruding group 13 of group can correspond a plurality of glue containing sub-grooves 11b, arbitrary two adjacent glue containing sub-grooves 11b communicate, make the structure glue in arbitrary glue containing sub-groove 11b can directly or indirectly flow to in remaining arbitrary glue containing sub-groove 11b, the requirement to beating the position of gluing has been reduced, that is to say, the structure glue can beat to arbitrary glue containing sub-groove 11b, through the mobility that the structure was glued, can make the first glue containing area 11a that whole holds 110 bottom surfaces of chamber corresponds be full of the structure glue, disassemble battery 101 in-process equally, the debonding agent can beat to the glue containing sub-groove 11b of choosing in, through the mobility of debonding agent, can dissolve whole first gluey union piece, thereby with smooth split of battery 101 and tray bottom plate 1. One of the first direction and the second direction may be a longitudinal direction of the battery tray 100, and the other may be a width direction of the battery tray 100.

Wherein, when tray bottom plate 1 is used for power battery package 200, battery 101 is a plurality of, and a plurality of batteries 101 set up along second direction interval, then disassemble battery 101 in-process, can pour into the separation between two adjacent batteries 101 with the debonder, and the debonder pours into from the utmost point post direction of battery 101 promptly, can accomplish the debonder better.

It is to be understood that the plurality of first supporting protrusions 12 of the protrusion group 13 may be disposed at equal intervals or at unequal intervals, and the number of the first supporting protrusions 12 of the plurality of protrusion groups 13 may be equal or unequal; for example, in the example of fig. 1, the at least one protrusion set 13 includes three first support protrusions 12, and the at least one protrusion set 13 includes four first support protrusions 12.

In some embodiments, as shown in fig. 1 and fig. 2, the projections of the first supporting protrusions 12 of two adjacent protrusion sets 13 along the first direction are partially overlapped, that is, a part of the projection of at least one first supporting protrusion 12 of one protrusion set 13 along the first direction in two adjacent protrusion sets 13 is overlapped with a part of the projection of at least one first supporting protrusion 12 of another protrusion set 13 along the first direction, so as to facilitate the continuous extension of the projections of the plurality of protrusion sets 13 along the first direction, which is beneficial for the single battery 101 to increase the number of the first supporting protrusions 12 supporting the single battery 101, and improve the installation stability of the battery 101; meanwhile, because the projection parts of the first supporting protrusions 12 of the two adjacent protrusion groups 13 are overlapped along the first direction, at least one first supporting protrusion 12 of one protrusion group 13 and at least one first supporting protrusion 12 of the other protrusion group 13 are arranged at intervals along the first direction, the communication sectional area between the glue containing sub-grooves 11b corresponding to the two adjacent protrusion groups 13 is improved, so that the connectivity between the glue containing sub-grooves 11b corresponding to the two adjacent protrusion groups 13 is improved, the structural glue is favorably filled in the first glue containing area 11a quickly, and the debonding agent is favorably welded and dissolved in the first glue joint part quickly.

In some embodiments, as shown in fig. 3, the height of the first supporting protrusion 12 is h1, that is, the distance between the top surface of the first supporting protrusion 12 and the bottom surface of the accommodating cavity 110 is h1, or the distance between the side surface of the first supporting protrusion 12 facing away from the bottom surface of the accommodating cavity 110 and the bottom surface of the accommodating cavity 110 is h1, where h1 is greater than or equal to 0.5mm and less than or equal to 1.5mm, so as to ensure that the first glue accommodating area 11a has enough glue accommodating space, thereby ensuring the glue bonding strength of the first glue bonding member and facilitating the processing of the first supporting protrusion 12.

In some embodiments, the tray bottom plate 1 is made of an insulating material, so that the tray bottom plate 1 has good electrical insulation, and even if cooling liquid of the power battery pack 200 leaks, the risk of high-voltage arc discharge between the tray bottom plate 1 and the battery 101 can be avoided, and the normal use of the power battery pack 200 is ensured; and tray bottom plate 1 is integrated into one piece spare, has saved the connection process between each part of tray bottom plate 1, is favorable to promoting tray bottom plate 1's machining efficiency, need not to process connection structure etc. simultaneously on each part of tray bottom plate 1, is favorable to simplifying tray bottom plate 1's structure, and reduce cost is convenient for guarantee the joint strength between each part of tray bottom plate 1 moreover to guarantee tray bottom plate 1's overall structure intensity.

It can be understood that, when the tray bottom plate 1 is an integrally formed part, the processing mode of the tray bottom plate 1 can be specifically set according to actual requirements; for example, the tray bottom 1 may be formed as a molded integral piece by compression molding.

Optionally, the tray bottom plate 1 is a composite material piece, so that the electrical insulation of the tray bottom plate 1 is ensured, and meanwhile, the structural strength of the tray bottom plate 1 is convenient to ensure, so that the tray bottom plate 1 stably bears the battery 101.

In some embodiments, as shown in fig. 1, 4 to 6, the bottom plate body 11 includes a main body portion 111, the main body portion 111 includes a bottom plate 1111 and a side plate 1112, the side plate 1112 is disposed around the bottom plate 1111, and the side plate 1112 and the bottom plate 1111 together define the accommodating cavity 110, the side plate 1112 may be formed into a substantially annular structure, and the bottom plate 1111 and the side plate 1112 may respectively play a certain limiting role on the battery 101, so as to ensure stable installation of the battery 101.

It can be seen that the top surface of the bottom plate 1111 is formed as the bottom surface of the receiving cavity 110, and the bottom surface of the bottom plate 1111 is provided with the second supporting protrusion 113, then the first supporting protrusion 12 and the second supporting protrusion 113 are respectively provided on the two side surfaces of the thickness of the bottom plate 1111, such that the first supporting protrusion 12 and the second supporting protrusion 113 are located on the opposite sides of the thickness of the bottom plate 1111; the bottom surface of the bottom plate 1111 is suitable for being fixedly connected with the tray frame 2 through a second glue joint part, so that the bottom plate 1111 and the tray frame 2 are firmly fixed; the second supporting protrusion 113 and the bottom surface of the bottom plate 1111 jointly define a second glue containing area, the side wall of the second supporting protrusion 113 participates in defining the side wall of the second glue containing area, the second glue containing area is used for containing a second glue connecting piece, and the second supporting protrusion 113 is used for being matched with the tray frame 2 in a stop-against mode.

For example, when the tray bottom plate 1 is used in the battery tray 100, the second supporting protrusions 113 may overlap the top surface of the tray frame 2, the second supporting protrusions 113 are provided between the bottom surface of the bottom plate 1111 and the tray frame 2, the second adhesive member is also provided between the bottom surface of the bottom plate 1111 and the tray frame 2, and the second adhesive member fixedly connects the bottom surface of the bottom plate 1111 to the tray frame 2, the surface of the second glue joint part which is glued to the tray frame 2 and the surface of the second support protrusion 113 which abuts against the tray frame 2 may be substantially in the same plane, so that the thickness of the second glue joint member is consistent with the height of the second support protrusion 113, the second support protrusion 113 can play a role in limiting the thickness of the second glue joint member, thereby can adjust the thickness that the second glued the union piece through the height that adjusts second support protrusion 113, guarantee the second and glue the gluey intensity of union piece, and then guarantee that bottom plate 1111 and tray frame 2 splice reliably.

Alternatively, in the example of fig. 4-6, the second supporting protrusion 113 and the bottom plate 1111 are an integral component, which further improves the processing efficiency of the tray bottom plate 1, simplifies the assembling process of the tray bottom plate 1 and the tray rim 2, and improves the assembling efficiency of the tray bottom plate 1 and the tray rim 2. For example, the second support protrusion 113 and the bottom plate 1111 are a hot press integrated piece, and the material of the second support protrusion 113 is the same as that of the bottom plate 1111.

As shown in fig. 4 to 8, the bottom plate body 11 further includes an extension portion 112, the extension portion 112 is disposed at the edge of the side plate 1112, and the extension portion 112 is disposed around the side plate 1112, so that the extension portion 112 may be formed substantially in an annular structure; the bottom surface of the extending portion 112 is provided with a third supporting protrusion 114, and the bottom surface of the extending portion 112 is suitable for being fixedly bonded to the tray frame 2 through a third bonding member, so as to ensure that the extending portion 112 and the tray frame 2 are firmly fixed; the third supporting protrusion 114 and the bottom surface of the extending portion 112 together define a third glue containing area, the side wall of the third supporting protrusion 114 participates in defining the side wall of the third glue containing area, the third glue containing area is used for containing a third glue joint member, and the third supporting protrusion 114 is used for being matched with the tray frame 2 in a stop-against manner.

For example, when the tray bottom plate 1 is used in the battery tray 100, the third supporting protrusion 114 may be overlapped on the tray frame 2, the third supporting protrusion 114 is disposed between the bottom surface of the extending portion 112 and the tray frame 2, the third glue member is also disposed between the bottom surface of the extending portion 112 and the tray frame 2, and the third glue member fixedly connects the bottom surface of the extending portion 112 with the tray frame 2, the surface of the third glue joint which is glued to the tray frame 2 and the surface of the third support protrusion 114 which abuts against the tray frame 2 may be substantially in the same plane, so that the thickness of the third glue joint member is consistent with the height of the third supporting protrusion 114, the third supporting protrusion 114 can play a role of limiting the thickness of the third glue joint member, therefore, the thickness of the third glue joint part can be adjusted by adjusting the height of the third supporting protrusion 114, the glue joint strength of the third glue joint part is ensured, and the reliable glue joint of the extension part 112 and the tray frame 2 is further ensured.

Optionally, the third supporting protrusion 114 and the extending portion 112 are an integral component, so that the processing efficiency of the tray bottom plate 1 is further improved, the assembling process of the tray bottom plate 1 and the tray frame 2 is simplified, and the assembling efficiency of the tray bottom plate 1 and the tray frame 2 is improved. For example, the third support protrusion 114 and the extension 112 are a hot-pressed integrated piece, and the material of the third support protrusion 114 is the same as that of the extension 112.

In some embodiments, as shown in fig. 4 to 8, the plurality of second supporting protrusions 113 are provided, and the plurality of second supporting protrusions 113 are respectively disposed at two side edges of the bottom plate 1111 in the first direction, so that each side edge of the bottom plate 1111 in the first direction is respectively provided with at least one second supporting protrusion 113, and the tray frame 2 supports two side edges of the bottom plate 1111 in the first direction, so as to effectively ensure stable bearing of the tray frame 2 on the battery 101, which is beneficial to reducing the bearing requirement of the bottom plate body 11, and is beneficial to simplifying the structure of the tray frame 2.

In some embodiments, as shown in fig. 1, 4 and 6, the extension portion 112 is formed with a plurality of avoiding through holes 112b, the plurality of avoiding through holes 112b are arranged at intervals along the periphery of the main body portion 111, the plurality of avoiding through holes 112b are arranged around the main body portion 111, and at least one third supporting protrusion 114 is arranged between any two adjacent avoiding through holes 112b, so as to ensure that the third supporting protrusion 114 effectively limits the thickness of the third glue joint member, thereby facilitating to improve the thickness uniformity of the third glue joint member and ensuring the balance of the glue joint strength of the third glue joint member.

One or more third supporting protrusions 114 are arranged between two adjacent avoidance through holes 112b, and for the extension part 112, the number of the third supporting protrusions 114 between two adjacent avoidance through holes 112b is equal to or different from the number of the third supporting protrusions 114 between any other two adjacent avoidance through holes 112 b; for example, in the example of fig. 4, one third support protrusion 114 is disposed between any two adjacent avoidance through holes 112 b.

It can be understood that, when tray bottom plate 1 is applied to battery tray 100, tray bottom plate 1 links to each other with tray frame 2 is fixed, and tray frame 2 passes through the fastener and realizes being connected with the upper cover of power battery package 200 to form the protection to battery 101, for example, the top side of tray bottom plate 1 is equipped with the top cap, and the fastener is used for linking to each other top cap and tray frame 2 are fixed, and the fastener is worn to locate to dodge through-hole 112b, dodges through-hole 112b and can realize good dodging to the fastener.

In the example of fig. 1, the extension portion 112 includes a plurality of extension portions 1121, the plurality of extension portions 1121 are connected end to end in sequence so that the extension portion 112 is formed as a polygonal ring, a plurality of bypass through holes 112b are formed on each extension portion 1121, and a plurality of through holes 120 on each extension portion 1121 may be arranged at intervals along the length direction of the extension portion 1121.

In some embodiments, as shown in fig. 4 to 6, at least one third supporting protrusion 114 extends in a strip shape along the width direction of the extending portion 112, and the length of the third supporting protrusion 114 is greater than the diameter of the avoiding through hole 112b, so that the third supporting protrusion 114 completely separates two adjacent avoiding through holes 112b to better limit the thickness of the third adhesive member.

In some embodiments, as shown in fig. 4-6, the at least one third supporting protrusion 114 extends in a long shape along the width direction of the extending portion 112, the length of the third supporting protrusion 114 is greater than or equal to half of the width of the extending portion 112, and the length of the third supporting protrusion 114 is smaller than the width of the extending portion 112, so as to facilitate increasing the limiting effect of the third supporting protrusion 114 on the thickness of the entire third adhesive member.

In some embodiments, as shown in fig. 5 and 8, the height of the second supporting protrusion 113 is h2, that is, the distance between the bottom surface of the second supporting protrusion 113 and the bottom surface of the bottom plate 1111 is h2, or the distance between the surface of the second supporting protrusion 13 facing away from the bottom surface of the bottom plate 1111 and the bottom surface of the bottom plate 1111 is h2, and h2 is greater than or equal to 0.5mm and less than or equal to 1.5mm, so as to ensure that the second glue containing area has enough glue containing space, thereby ensuring the glue bonding strength of the second glue bonding member and facilitating the processing of the second supporting protrusion 113.

In some embodiments, as shown in fig. 5, the height of the third supporting protrusion 114 is h3, that is, the distance between the bottom surface of the third supporting protrusion 114 and the bottom surface of the extending portion 112 is h3, or the distance between the side surface of the third supporting protrusion 114 facing away from the bottom surface of the extending portion 112 and the bottom surface of the extending portion 112 is h3, and h3 is greater than or equal to 0.5mm and less than or equal to 1.5mm, so as to ensure that the third glue accommodating area has a sufficient glue accommodating space, thereby ensuring the glue bonding strength of the third glue bonding member and facilitating the processing of the third supporting protrusion 114.

In some embodiments, the height of the second support protrusion 113 is h2, the height of the third support protrusion 114 is h3, 0.5mm ≦ h2 ≦ 1.5mm, and 0.5mm ≦ h3 ≦ 1.5 mm.

It should be noted that in the description of the present application, "and/or" is meant to include three parallel schemes, and taking "a and/or B" as an example, the scheme includes a scheme, or B scheme, or a scheme satisfied by both a and B.

According to the battery tray 100 of the embodiment of the second aspect of the present invention, as shown in fig. 7 and 8, including the tray bottom plate 1 and the tray frame 2, the tray bottom plate 1 is the tray bottom plate 1 according to the embodiment of the present invention, the tray frame 2 is disposed around the tray bottom plate 1, and the tray frame 2 is fixedly connected to the tray bottom plate 1.

According to the utility model discloses battery tray 100, through adopting foretell tray bottom plate 1, be favorable to promoting battery tray 100's machining efficiency.

For example, in the examples of fig. 7 and 8, the tray frame 2 is supported at the bottom of the tray bottom plate 1, and the tray frame 2 is located outside the accommodating cavity 110, so as to realize indirect stable bearing of the tray frame 2 on the battery 101.

In some embodiments, as shown in fig. 8, the bottom plate body 11 includes a main body portion 111, the main body portion 111 includes a bottom plate 1111 and a side plate 1112, the side plate 1112 is disposed around the bottom plate 1111, the side plate 1112 and the bottom plate 1111 together define a receiving cavity 110, the bottom surface of the bottom plate 1111 is provided with a second supporting protrusion 113, the bottom surface of the bottom plate 1111 is adhesively fixed to the tray rim 2 by a second adhesive member, the second supporting protrusion 113 and the bottom surface of the bottom plate 1111 together define a second adhesive receiving area, the second adhesive receiving area receives the second adhesive member, the second supporting protrusion 113 is in abutting engagement with the tray rim 2, wherein the second supporting protrusion 113 extends towards the center of the receiving cavity 110 to be at least flush with the inner end edge of the tray rim 2, i.e. w is greater than or equal to 0, so as to ensure the consistency of the thickness of the entire second adhesive member, thereby ensuring the adhesive strength of the second adhesive member, and ensuring that the bottom plate 1111 and the tray rim 2 are adhesively fixed, so that the portion of the tray frame 2 supporting the bottom plate 1111 can serve as a main load-bearing portion of the battery 101.

In some embodiments, the side plates 1112 and the tray frame 2 are fixed by fourth glue joints, so as to further ensure that the tray bottom plate 1 and the tray frame 2 are firmly connected.

In some embodiments, as shown in fig. 7 and 8, the bottom plate body 11 further comprises an extension 112, the extension 112 is disposed at an edge of the side plate 1112, and the extension 112 is disposed around the side plate 1112; the tray frame 2 is disposed around the side plate 1112, and then the tray frame 2 may be substantially formed into an annular structure, and the tray frame 2 is fixedly connected to the extension portion 112, so as to ensure that the sufficient connection area is provided between the tray frame 2 and the bottom plate body 11, thereby ensuring that the first frame 21 is reliably connected to the bottom plate body 11.

It should be noted that, in the description of the present application, "annular" is to be understood in a broad sense, i.e., not limited to "circular ring", but may also be "polygonal ring" or the like, for example. For example, in the example of fig. 7 and 9, the first frame 21, the side plates 1112 and the extension portions 112 are respectively formed into polygonal rings, the tray frame 2 includes a plurality of edge beams 21 connected end to end, and the edge beams 21 are fixed to corresponding edges (e.g., the corresponding extension portions 1121 described in the present application) of the extension portions 112.

In some embodiments, as shown in fig. 8 and 11, the edge beam 21 includes a first beam 211 and a second beam 212, the first beam 211 being fixedly connected to the extension 112; the second beam 212 is disposed inside the first beam 211, and the second beam 212 is fixedly connected to the bottom plate 1111.

For example, the bottom surfaces of the first beam 211 and the extension portion 112 are fixed by the third glue joint, so that the extension portion 112 and the first beam 211 do not need to be provided with a connecting hole, and the processing procedures of the first beam 211 and the extension portion 112 are simplified. Therefore, the large gluing area between the edge beam 21 and the bottom plate body 11 is ensured, and the connection strength between the tray frame 2 and the chassis body 11 is effectively ensured.

For example, the bottom surfaces of the second beam 212 and the bottom plate 1111 are fixed by the second glue joint, and the second beam 212 and the second support protrusion 113 are matched in a stop manner, so that the second beam 212 can indirectly support the battery 101, thereby effectively ensuring the reliable installation of the battery 101, reducing the load-bearing requirement of the bottom plate body 11, being beneficial to reducing the setting requirement of the bottom plate body 11, and reducing the cost of the battery tray 100.

Alternatively, when the side sill 21 includes the first beam body 211 and the second beam body 212, the first beam body 211 and the second beam body 212 are integrally formed.

It is to be understood that the structure of the plurality of side beams 21 may be the same or different in the present application; for example, when the plurality of side members 21 are identical in structure, each side member 21 includes a first member 211 and a second member 212; for another example, when the plurality of side beams 21 have different structures, at least one side beam 21 includes the first beam body 211 and the second beam body 212, and at least one side beam 21 includes the first beam body 211 but not the second beam body 212.

According to the utility model discloses power battery package 200 of third aspect embodiment, including battery 101 and battery tray 100, battery tray 100 is according to the utility model discloses the battery tray 100 of above-mentioned second aspect embodiment holds chamber 110 and holds battery 101, and the bottom surface that holds chamber 110 splices fixedly with battery 101.

According to the utility model discloses power battery package 200 through adopting foretell battery tray 100, can promote power battery package 200's packaging efficiency.

In some embodiments, as shown in fig. 9 to 11, the number of the batteries 101 is multiple, the multiple batteries 101 are sequentially arranged along the second direction, the length of each battery 101 extends along the first direction, at least three first supporting protrusions 12 are supported at the bottom of each battery 101, the at least three first supporting protrusions 12 may be arranged at intervals along the first direction, the first direction is perpendicular to the second direction, so as to ensure that the batteries 101 are stably placed, and the thicknesses of the first adhesive members between the batteries 101 and the bottom surface of the accommodating cavity 110 are relatively uniform, so as to ensure that the batteries 101 are firmly mounted.

In some embodiments, as shown in fig. 9, of the plurality of first supporting protrusions 12 for supporting the same battery 101, two first supporting protrusions 12 located at two ends in the first direction have the same distance from the corresponding ends of the battery 101, which is beneficial to further improve the stability of the placement of the battery 101, so that the plurality of first supporting protrusions 12 stably support the battery 101.

For example, taking the first direction as the front-rear direction as an example, the plurality of first support protrusions 12 corresponding to one battery 101 are provided at intervals in the front-rear direction, and among the plurality of first support protrusions 12, the distance between the foremost first support protrusion 12 and the front end of the battery 101 is L1, the distance between the rearmost first support protrusion 12 and the rear end of the battery 101 is L2, and L2 is L1.

For example, the power battery pack 200 further includes an expansion beam, and the expansion beam is fastened to the tray frame 2 by high-strength bolts (above 10.9 grade) passing through holes on the bottom plate body 11.

According to the utility model discloses vehicle of fourth aspect embodiment, include according to the utility model discloses the power battery package 200 of above-mentioned third aspect embodiment.

According to the utility model discloses vehicle, through adopting foretell power battery package 200, can promote the packaging efficiency of vehicle.

Other configurations and operations of vehicles according to embodiments 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 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, 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 two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

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

Claims

1. A pallet bottom board (1), characterized in that it comprises:

the bottom plate comprises a bottom plate body (11), wherein the bottom plate body (11) defines an accommodating cavity (110), the accommodating cavity (110) is used for accommodating a battery (101), and the bottom surface of the accommodating cavity (110) is suitable for being glued and fixed with the battery (101) through a first gluing piece;

first supporting protrusion (12), first supporting protrusion (12) are located hold the bottom surface of chamber (110) and protrusion in the bottom surface setting of holding chamber (110), first supporting protrusion (12) with the bottom surface of holding chamber (110) prescribes a limit to first appearance jointly and glues district (11a), first appearance is glued district (11a) and is used for holding first gluey union piece, first supporting protrusion (12) are used for supporting battery (101), just first supporting protrusion (12) with bottom plate body (11) are an organic piece.

2. The pallet baseplate (1) according to claim 1, characterized in that a plurality of first supporting protrusions (12) arranged at intervals in a first direction constitute a plurality of protrusion groups (13), the number of the protrusion groups (13) is plural, and a plurality of the protrusion groups (13) are arranged at intervals in a second direction, the second direction being perpendicular to the first direction.

3. A pallet base (1) according to claim 2, characterised in that the projections of the first supporting projections (12) of two adjacent sets of projections (13) in the first direction partially coincide.

4. Tray floor (1) according to claim 1, characterized in that the first supporting elevations (12) have a height h1, 0.5mm ≦ h1 ≦ 1.5 mm.

5. The pallet base plate (1) according to claim 1, characterized in that the pallet base plate (1) is an insulating material piece and is an integrally formed piece.

6. Tray floor (1) according to any one of claims 1-5, characterized in that the floor body (11) comprises:

the main body part (111), the main body part (111) comprises a bottom plate (1111) and side plates (1112), the side plates (1112) are arranged around the bottom plate (1111), the side plates (1112) and the bottom plate (1111) jointly define the accommodating cavity (110), the bottom surface of the bottom plate (1111) is provided with a second supporting protrusion (113), the bottom surface of the bottom plate (1111) is suitable for being fixed with the tray border (2) through a second glue joint, the second supporting protrusion (113) and the bottom surface of the bottom plate (1111) jointly define a second glue accommodating area, the second glue accommodating area is used for accommodating the second glue joint, and the second supporting protrusion (113) is used for being matched with the tray border (2) in an abutting mode;

extension portion (112), extension portion (112) are located the border department of curb plate (1112) and center on curb plate (1112) set up, the bottom surface of extension portion (112) is equipped with third support protrusion (114), the bottom surface of extension portion (112) be suitable for glue through the third and connect fixedly with tray frame (2), third support protrusion (114) with the bottom surface of extension portion (112) is injectd the third jointly and is held gluey the district, the third holds gluey district and is used for holding the third and glue the union piece, third support protrusion (114) be used for with tray frame (2) end to support the cooperation.

7. The tray floor (1) according to claim 6, wherein the second supporting protrusion (113) is plural, and plural second supporting protrusions (113) are respectively provided at both side edges of the floor (1111) in the first direction.

8. The pallet base plate (1) according to claim 6, characterized in that the extension part (112) is formed with a plurality of escape through holes (112b), the escape through holes (112b) are arranged at intervals along the periphery of the main body part (111), and at least one third support protrusion (114) is arranged between any two adjacent escape through holes (112 b).

9. Tray floor (1) according to claim 6, characterized in that the height of the second supporting projections (113) is h2, 0.5mm ≦ h2 ≦ 1.5 mm; and/or the height of the third supporting bulge (114) is h3, and h3 is more than or equal to 0.5mm and less than or equal to 1.5 mm.

10. A battery tray (100), comprising:

a pallet base plate (1), the pallet base plate (1) being a pallet base plate (1) according to any of claims 1-9;

the tray comprises a tray frame (2), wherein the tray frame (2) surrounds the tray bottom plate (1) and is fixedly connected with the tray bottom plate (1).

11. The battery tray (100) of claim 10, wherein the bottom plate body (11) comprises:

the main body part (111), the main body part (111) includes bottom plate (1111) and curb plate (1112), curb plate (1112) centers on bottom plate (1111) sets up and curb plate (1112) with bottom plate (1111) prescribes a limit to jointly hold chamber (110), the bottom surface of bottom plate (1111) is equipped with second support arch (113), the bottom surface of bottom plate (1111) through the second glue union piece with the tray frame (2) is glued joint fixedly, second support arch (113) prescribes a limit to jointly with the bottom surface of bottom plate (1111) and holds gluey district, the second glue district holds the second glue union piece, second support arch (113) with tray frame (2) end cooperation,

wherein the second support protrusion (113) extends towards the center of the receiving cavity (110) to be at least flush with the inner end edge of the tray frame (2).

12. A power battery pack (200), comprising:

a battery (101);

battery tray (100), battery tray (100) is according to claim 10 or 11 battery tray (100), it holds to hold chamber (110) battery (101), the bottom surface that holds chamber (110) with battery (101) are glued joint fixedly.

13. The power battery pack (200) according to claim 12, wherein the number of the batteries (101) is multiple, the multiple batteries (101) are sequentially arranged along a second direction, the length of each battery (101) extends along a first direction, at least three first supporting protrusions (12) are supported at the bottom of each battery (101), and the first direction is perpendicular to the second direction.

14. The power battery pack (200) according to claim 13, wherein two of the first support protrusions (12) at both ends in the first direction among the plurality of first support protrusions (12) for supporting the same battery are equidistant from the corresponding ends of the battery (101).

15. A vehicle, characterized by comprising a power battery pack (200) according to any one of claims 12-14.