CN219305209U

CN219305209U - Energy storage box

Info

Publication number: CN219305209U
Application number: CN202320508521.2U
Authority: CN
Inventors: 林清云; 郭景华; 石力; 周子健; 张宗宝
Original assignee: Jiangsu Echom Science & Technology Co ltd
Current assignee: Jiangsu Echom Science & Technology Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-07-04
Anticipated expiration: 2033-03-16

Abstract

The utility model relates to the technical field of energy storage, and discloses an energy storage box body which comprises an inner bottom shell, a liquid cooling plate and a sheet metal support piece. The inner bottom shell is an injection molding integrated piece with a containing cavity, the liquid cooling plate is fixed at the bottom of the containing cavity of the inner bottom shell through a screw, one side of the bottom of the inner bottom shell, which is away from the containing cavity, is provided with an outward flange, the sheet metal support comprises a side wall support and a bottom wall support, the side wall support is arranged on the outer side wall of the inner bottom shell in a surrounding manner and is fixed with the outward flange of the inner bottom shell through the screw, and the bottom wall support is abutted against the outer bottom wall of the inner bottom shell and two ends of the length direction of the bottom wall support are fixedly connected with the side wall support through the screw. The structure can meet the heat exchange requirement of the energy storage box body, the damage to the inner bottom shell can be reduced by welding compared with the screw connection, the main body of the metal plate supporting piece and the inner bottom shell is not required to be fixed, in addition, the integrated injection molding inner bottom shell is simple in process, the plastic inner bottom shell is insulating, and the secondary processing cost of spraying an insulating layer can be saved.

Description

Energy storage box

Technical Field

The utility model relates to the technical field of energy storage, in particular to an energy storage box body.

Background

The bottom shell of the existing energy storage box body is formed by means of low-pressure casting, sheet metal stamping or aluminum profile welding and NC (numerical control) machining, and a liquid cooling plate in the box body is tightly welded on the bottom shell through a friction stir welding process. But this technical scheme not only production efficiency is low, and material cost is higher, and welding operation also easily causes the influence to the leakproofness of box.

Therefore, there is a need for an energy storage tank to solve the above problems.

Disclosure of Invention

The utility model aims to provide an energy storage box body which is high in production efficiency, low in material cost and good in sealing performance.

The technical scheme adopted by the utility model is as follows:

energy storage box, include:

the inner bottom shell is an injection molding integrated piece with a containing cavity, and one side of the inner bottom shell, which is away from the bottom of the containing cavity, is provided with an outward flange;

the liquid cooling plate is fixed at the bottom of the accommodating cavity through screws;

the sheet metal support comprises a side wall support and a bottom wall support, wherein the side wall support is fixed on the outward turning edge of the inner bottom shell through screws, the bottom wall support is abutted to the outer bottom wall of the inner bottom shell, and two ends of the length direction of the bottom wall support are connected with the side wall support through screws.

Optionally, the side wall support piece includes a plurality of side wall sub-support pieces, and a plurality of side wall sub-support pieces are through screw head-to-tail connection enclose to locate the circumference of inner bottom shell.

Optionally, the sheet metal support is provided with a folded edge, the folded edge comprises a first folded edge and a second folded edge, the first folded edge is bent perpendicular to the length direction of the sheet metal support, and the second folded edge is bent along the length direction of the sheet metal support;

the side wall piece support piece is characterized in that a part of the first folding edge is used for being connected with the outer flanging of the inner bottom shell, a part of the first folding edge is abutted against the outer bottom wall of the inner bottom shell, the bottom wall support piece and at least a part of the side wall piece support piece are provided with the second folding edge, the adjacent side wall piece support pieces are connected through the second folding edge, and the bottom wall support piece is connected with the side wall piece support pieces through the second folding edge.

Optionally, the bottom wall support is provided with a plurality of, and a plurality of the bottom wall support is arranged at intervals on the outer bottom wall of the inner bottom shell.

Optionally, at least part of the sheet metal support is provided with reinforcing ribs.

Optionally, an anti-rust coating is arranged on the sheet metal support.

Optionally, the bottom of the inner bottom shell is of a double-sided grid structure.

Optionally, the screws include a self-tapping screw and a machine tooth screw, the liquid cooling plate is fixed on the inner bottom shell through the self-tapping screw, the side wall supporting piece and the bottom wall supporting piece are fixed through the machine tooth screw, and the inner bottom shell and the sheet metal supporting piece are fixed through the machine tooth screw or the self-tapping screw.

Optionally, the energy storage box further includes an upper cover, and the upper cover is covered on the inner bottom shell and connected with the side wall supporting piece.

Optionally, an annular groove is formed in the flanging, the groove is used for accommodating sealant, and the sealant is clamped between the upper cover and the bottom of the groove.

The beneficial effects of the utility model are as follows:

the utility model provides an energy storage box body, which comprises an inner bottom shell, a liquid cooling plate and a sheet metal support piece, wherein the inner bottom shell is an injection molding integrated piece with a containing cavity, one side of the bottom of the inner bottom shell, which is far away from the containing cavity, is provided with an outward flange, the sheet metal support piece comprises a side wall support piece and a bottom wall support piece, the side wall support piece is arranged on the outer side wall of the inner bottom shell in a surrounding manner and is fixed with the outward flange of the inner bottom shell through screws, the bottom wall support piece is abutted against the outer bottom wall of the inner bottom shell, two ends in the length direction of the bottom wall support piece are fixedly connected with the side wall support piece through screws, the sheet metal support piece is not required to be fixed with the main body of the inner bottom shell, and the side wall support piece is fixed with the outward flange of the inner bottom shell through the mutual fixation of the side wall support piece and the bottom wall support piece, so that the sealing performance of the inner bottom shell can be prevented from being influenced. In addition, the liquid cooling plate is fixed at the bottom of the accommodating cavity of the inner bottom shell through the screws, so that the heat exchange requirement of the energy storage box body can be met, meanwhile, compared with welding, the damage to the inner bottom shell can be reduced through screw connection, and risks such as penetration welding are not required. The integrated injection molding inner bottom shell is simple in process, and the plastic inner bottom shell is insulating, so that the secondary processing cost of spraying an insulating layer can be saved.

Drawings

FIG. 1 is an exploded view of an energy storage tank provided by an embodiment of the present utility model;

FIG. 2 is an assembly diagram of an inner bottom shell and a liquid cooling plate according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken at F-F in FIG. 2;

fig. 4 is a cross-sectional view at E-E in fig. 2.

In the figure:

1. an inner bottom shell; 10. a receiving chamber; 101. a bottom; 11. a flanging; 111. a groove;

2. a liquid cooling plate;

3. a sheet metal support; 301. folding edges; 3011. a first hem; 3012. a second flanging; 302. reinforcing ribs; 31. a sidewall support; 311. a left side support; 312. a right side support; 313. a front side support; 314. a rear side support; 32. a bottom wall support;

4. an upper cover;

5. and (5) a screw.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment provides an energy storage box, which comprises an inner bottom shell 1, a liquid cooling plate 2 and a sheet metal supporting member 3, wherein the inner bottom shell 1 is an injection molding integrated member with a containing cavity 10, the integrated injection molding process is simple, and the plastic inner bottom shell 1 itself has insulativity, so that the secondary processing cost of spraying an insulating layer can be saved. The sheet metal supporting part 3 is arranged on the periphery of the inner bottom shell 1, so that the structural strength of the energy storage box body can be improved, the inner bottom shell 1 is prevented from being deformed in a large area, and the product placed in the accommodating cavity 10 is extruded. In addition, the integral injection molding can ensure that the inner bottom shell 1 has excellent sealing performance, and the liquid cooling plate 2 is fixed at the bottom 101 of the accommodating cavity 10 of the inner bottom shell 1 through the screw 5, so that the heat exchange requirement of the energy storage box body can be met, and meanwhile, compared with welding, the damage to the inner bottom shell 1 can be reduced by utilizing the screw 5, and risks such as penetration welding are not required.

In this embodiment, the bottom 101 side of the inner bottom shell 1 facing away from the accommodating cavity 10 is provided with the flanging 11, the sheet metal support 3 includes a side wall support 31 and a bottom wall support 32, the side wall support 31 is enclosed on the outer side wall of the inner bottom shell 1 and is fixed with the flanging 11 of the inner bottom shell 1 through the screw 5, the bottom wall support 32 is abutted to the outer bottom wall of the inner bottom shell 1 and two ends of the bottom wall support in the length direction are fixedly connected with the side wall support 31 through the screw 5, the sheet metal support 3 and the main body of the inner bottom shell 1 are not required to be fixed in this structure, but the side wall support 31 and the flanging 11 of the inner bottom shell 1 are fixed, and the mutual fixation of the side wall support 31 and the bottom wall support 32 is used for realizing the relative fixation of the sheet metal support 3 and the inner bottom shell 1, so that the sealing performance of the inner bottom shell 1 can be prevented from being influenced.

Optionally, the bottom 101 of the inner bottom shell 1 is a double-sided grating structure, and the inner bottom shell 1 is made of plastic materials such as PPS (polyphenylene sulfide), PPO (polyphenylene oxide), PC (polycarbonate) +gf (glass fiber), and the double-sided grating structure can strengthen the strength of the plastic product, so that the bottom 101 of the inner bottom shell 1 is less likely to deform.

Optionally, the sheet metal support 3 is provided with an anti-rust coating, so that the problem of strength reduction of the sheet metal support 3 caused by rust can be avoided.

Further, to facilitate the relative fixation of the side wall support 31 and the inner bottom shell 1 and the bottom wall support 32, in this embodiment, the side wall support 31 includes a plurality of side wall sub-supports, and the plurality of side wall sub-supports are connected end to end by the screws 5 and are circumferentially arranged around the inner bottom shell 1. In practice, each side wall sub-support may be fastened to the flange 11 of the inner bottom shell 1 by means of the screws 5, and then adjacent side wall sub-supports may be fastened to each other by means of the screws 5.

In addition, the sheet metal support 3 has a folded edge 301, and the folded edge 301 includes a first folded edge 3011 and a second folded edge 3012, wherein the first folded edge 3011 is bent perpendicular to the length direction of the sheet metal support 3, and the second folded edge 3012 is bent along the length direction of the sheet metal support 3, but in this embodiment, not every sheet metal support 3 has the second folded edge 3012. Wherein a part of the first folded edge 3011 of the side wall sub-support is used for being connected with the outward turned edge 11 of the inner bottom shell 1, a part of the first folded edge 3011 is abutted against the outer bottom wall of the inner bottom shell 1, and the bottom wall support 32 and at least a part of the side wall sub-support are provided with second folded edges 3012, the adjacent side wall sub-supports are connected by the second folded edges 3012, and the bottom wall support 32 is connected with the side wall sub-support by the second folded edges 3012. In particular, referring to fig. 1, the side wall sub-support includes a left side support 311 and a right side support 312 which are disposed opposite to each other, and a front side support 313 and a rear side support 314, where the left side support 311 and the right side support 312 are provided with only a first folded edge 3011, and the front side support 313 and the rear side support 314 are provided with a second folded edge 3012, and the second folded edge 3012 is parallel to the main bodies of the left side support 311 and the rear side support 312, so that the screw 5 is inserted and fixed. In addition, the number of the first folded edges 3011 of each of the left side supporting member 311 and the right side supporting member 312 is two, and the bending directions of the two first folded edges 3011 are different, and the first folded edge 3011 on the side facing away from the flanging 11 of the inner bottom shell 1 is used for abutting against the outer bottom wall of the inner bottom shell 1, so that the left side supporting member 311 and the right side supporting member 312 can be further reinforced to be tightly attached to the inner bottom shell 1.

Optionally, at least part of the sheet metal support member 3 is provided with a reinforcing rib 302, and the reinforcing rib 302 may be used to further strengthen the strength of the sheet metal support member 3, and is generally used on the sheet metal support member 3 with a longer length, that is, in this embodiment, only the left side support member 311 and the right side support member 312 located in the length direction of the inner bottom shell 1 are provided with the reinforcing rib 302, and the reinforcing rib 302 may be formed by stamping.

Alternatively, a plurality of bottom wall supports 32 are provided, and a plurality of bottom wall supports 32 are provided at intervals on the outer bottom wall of the inner bottom case 1. The number of the bottom wall supporting pieces 32 is determined according to the size of the inner bottom shell 1, and the greater the number of the bottom wall supporting pieces 32 is, the better the strength improving effect on the inner bottom shell 1 is, but the material waste should be avoided while the structural strength of the inner bottom shell 1 is ensured. Preferably, the sheet metal support 3 is processed from cold-pressed sheet material having a thickness of not less than 2mm, so as to ensure its reinforcing effect on the strength of the inner bottom case 1.

In this embodiment, the screws 5 include self-tapping screws and thread screws, the liquid cooling plate 2 is fixed on the inner bottom shell 1 by the self-tapping screws, the side wall supporting member 31 and the bottom wall supporting member 32 are fixed by the thread screws, and the inner bottom shell 1 and the sheet metal supporting member 3 are fixed by the thread screws or the self-tapping screws. The tapping screw is not required to be provided with a threaded hole in advance, so that the tapping screw can be selected when the liquid cooling plate 2 and the sheet metal support part 3 are fixed on the inner bottom shell 1, and the processing procedure is reduced. The side wall supporting member 31 and the bottom wall supporting member 32 are both metal members, so that the two members are connected by using a machine screw, and a threaded hole is formed in one of the two members. For the fixation of the inner bottom shell 1 and the side wall supporting member 31, a threaded screw may be used, and a threaded hole may be provided in the side wall supporting member 31, so that the threaded screw passes through the inner bottom shell 1 to be screwed on the side wall supporting member 31.

Further, the energy storage box further comprises an upper cover 4, and the upper cover 4 is arranged on the inner bottom shell 1 in a covering manner and is connected with the side wall supporting piece 31. The upper cover 4 is an injection molding part, but the upper cover 4 is not used for supporting products, so that the strength requirement is low, and a supporting part is not required to be arranged to improve the structural strength of the upper cover. It can be seen that the relative fixing of the upper cover 4 and the side wall supporting member 31 is identical to the fixing manner of the inner bottom shell 1 and the sheet metal supporting member 3, and a machine tooth screw or a self-tapping screw can be selected.

Optionally, to ensure the tightness of the energy storage tank, the flanging 11 of the inner bottom shell 1 is further provided with an annular groove 111, and a sealant can be placed in the groove 111, and when the upper cover 4 is covered on the inner bottom shell 1, the sealant is clamped between the upper cover 4 and the bottom of the groove 111 so as to fill the gap between the upper cover 4 and the inner bottom shell 1.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Energy storage box, its characterized in that includes:

the inner bottom shell (1), wherein the inner bottom shell (1) is an injection molding integrated piece with a containing cavity (10), and an outward flange (11) is arranged at one side of the inner bottom shell (1) away from the bottom (101) of the containing cavity (10);

the liquid cooling plate (2), the liquid cooling plate (2) is fixed on the bottom (101) of the accommodating cavity (10) through a screw (5);

sheet metal support piece (3), including lateral wall support piece (31) and diapire support piece (32), lateral wall support piece (31) are fixed in on flanging (11) of interior bottom shell (1) through screw (5), diapire support piece (32) butt the outer bottom wall of interior bottom shell (1), both ends of diapire support piece (32) length direction pass through screw (5) with lateral wall support piece (31) are connected.

2. Energy storage tank according to claim 1, characterized in that the side wall support (31) comprises a plurality of side wall sub-supports, which are arranged around the circumference of the inner bottom shell (1) in an end-to-end connection by means of screws (5).

3. The energy storage box according to claim 2, wherein the sheet metal support (3) has a fold (301), the fold (301) comprising a first fold (3011) and a second fold (3012), the first fold (3011) being bent perpendicular to the length direction of the sheet metal support (3), the second fold (3012) being bent along the length direction of the sheet metal support (3);

part of the side wall sub-support is used for being connected with an outward flange (11) of the inner bottom shell (1), part of the side wall sub-support is used for being abutted to an outer bottom wall of the inner bottom shell (1), the bottom wall support (32) and at least part of the side wall sub-support are provided with second flanges (3012), adjacent side wall sub-support is connected through the second flanges (3012), and the bottom wall support (32) is connected with the side wall sub-support through the second flanges (3012).

4. Energy storage tank according to claim 1, wherein a plurality of bottom wall supports (32) are provided, a plurality of bottom wall supports (32) being arranged at intervals on the outer bottom wall of the inner bottom shell (1).

5. Energy storage tank according to claim 1, characterized in that at least part of the sheet metal support (3) is provided with reinforcing ribs (302).

6. Energy storage tank according to claim 1, characterized in that the sheet metal support (3) is provided with a rust-proof coating.

7. Energy storage tank according to claim 1, characterized in that the bottom (101) of the inner bottom shell (1) is of a double-sided grid structure.

8. Energy storage tank according to any one of claims 1 to 7, characterized in that the screws (5) comprise self-tapping screws and machine tooth screws, the liquid cooling plate (2) is fixed on the inner bottom shell (1) by the self-tapping screws, the side wall support (31) and the bottom wall support (32) are fixed by the machine tooth screws, and the inner bottom shell (1) and the sheet metal support (3) are fixed by the machine tooth screws or the self-tapping screws.

9. Energy storage tank according to claim 1, further comprising an upper cover (4), said upper cover (4) being provided over said inner bottom shell (1) and being connected to said side wall support (31).

10. Energy storage tank according to claim 9, characterized in that the flanging (11) is provided with an annular groove (111), the groove (111) is used for accommodating sealant, and the sealant is clamped between the upper cover (4) and the bottom of the groove (111).