CN217934104U

CN217934104U - Shell structure, battery pack and power device

Info

Publication number: CN217934104U
Application number: CN202222114776.9U
Authority: CN
Inventors: 单小林; 张兴东; 唐丽娟
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-29
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a new forms of energy technical field, concretely relates to shell structure and battery package and power device. The housing structure includes: a housing body; the fixed edge beam is formed by extending the outer side wall of at least one side of the shell body in the width direction; the detachable boundary beam is movably arranged on the outer side wall of at least one side of the shell body in the width direction, and the detachable boundary beam and the fixed boundary beam are arranged in parallel and at intervals along the length direction. The utility model provides a shell structure, make can dismantle the boundary beam activity set up in on the shell body to when shell structure and power device body do not take place to interfere, remain and to dismantle the boundary beam, improve shell structure's thermal insulation performance, and when shell structure and power device body take place to interfere, will dismantle the boundary beam and dismantle, dodge for whole car assembly formation, thereby guarantee shell structure and the normal assembly of power device body, improve shell structure's commonality.

Description

Shell structure, battery pack and power device

Technical Field

The utility model relates to a new forms of energy technical field, concretely relates to shell structure and battery package and power device.

Background

New energy power plants, such as new energy vehicles, have become increasingly popular, and as a core component of the new energy power plant, the performance of the power battery pack directly affects the performance of the power plant. Generally, the power battery needs to be wrapped and sealed by the shell and fixed with the power device through the edge beam arranged on the peripheral side of the shell, and the edge beam needs to bear the weight of the whole battery pack.

Because the boundary beam is formed by laterally extending the shell, a certain space needs to be occupied, but when the boundary beam interferes with other structures of the power device, the arrangement form of the boundary beam needs to be adjusted, and certain mould or equipment cost is inevitably increased when the boundary beam is developed. However, with the development of the modularization trend of the battery pack, the same type of battery pack sometimes needs to be matched with a plurality of types of power devices of different models, and the edge beam with a single purpose in the prior art cannot meet the generalization requirement of the battery pack.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the boundary beam of single usage among the prior art and can not match the power device's of the different models of many models defect to a shell structure that can improve the universalization degree of boundary beam is provided.

The utility model discloses another technical problem that solves lies in overcoming the boundary beam of single usage among the prior art and can not match the power device's of the different models of many models defect to a battery package that can improve the universalization degree of boundary beam is provided.

In order to solve the above technical problem, the utility model provides a pair of shell structure, include:

a housing body;

the fixed edge beam is formed by extending the outer side wall of at least one side of the shell body in the width direction;

the detachable boundary beam is movably arranged on the outer side wall of at least one side of the shell body in the width direction, and the detachable boundary beam and the fixed boundary beam are arranged in parallel and at intervals along the length direction.

Optionally, the detachable edge beam is detachably connected to the outer side wall of the shell body via a fixing member.

Optionally, the fixed boundary beams are provided with at least two boundary beams along the length direction, and at least one detachable boundary beam is arranged between every two adjacent fixed boundary beams.

Optionally, one side of the detachable edge beam close to the shell body is provided with a first heat preservation part.

Optionally, one side of the detachable edge beam, which is far away from the shell body, is provided with a second heat preservation part.

Optionally, the first heat-insulating member, the detachable edge beam and the second heat-insulating member are sequentially screwed on the outer side wall of the shell body;

when the detachable boundary beam is in a detachable state, the first heat-preservation part and/or the second heat-preservation part are suitable for being attached to the outer side wall of the shell body.

Optionally, a hollow cavity is formed inside the detachable edge beam.

The utility model provides a battery pack, include:

the shell structure as above, and a cover plate covering the shell structure and enclosing the shell structure to form a sealed cavity;

and a battery pack is arranged in the sealing cavity.

The utility model provides a power device, include:

the power device comprises a power device body and the battery pack arranged in the power device body.

Optionally, the battery pack is fixedly connected with the power device body through a fixed edge beam;

the detachable edge beam is suitable for being selectively installed on the battery pack so that the battery pack is matched with the power device body.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a shell structure can dismantle the boundary beam through setting up, and make can dismantle the boundary beam can the activity set up in on the shell body, thereby when shell structure and power device body do not take place to interfere, remain and to dismantle the boundary beam, improve shell structure's thermal insulation performance, and when shell structure and power device body take place to interfere, will dismantle the boundary beam and dismantle, form for power device assembly and dodge, thereby guarantee the normal assembly of shell structure and power device body, improve shell structure's commonality, can make things convenient for the power device of the different models of many varieties of same section shell structure matching, conveniently realize the platformization design.

2. The utility model provides a shell structure, through general first heat preservation with the second heat preservation all with can dismantle the split type setting of boundary beam, thereby guarantee can dismantle when the boundary beam is in the dismantlement state, the lateral wall of shell body still can have better heat preservation effect, improves the battery performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a battery pack according to the present invention;

FIG. 2 is a schematic view showing the disassembled state of the detachable side beam and the shell body of the present invention;

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

fig. 4 is a schematic view of the detachable boundary beam and the fixing member of the present invention.

Description of reference numerals:

the heat insulation structure comprises a cover plate 1, a shell body 2, a fixed edge beam 21, a detachable edge beam 3, an edge beam screw hole 31, a hollow cavity 32, a fixing piece 4, a first heat insulation piece 5, a first through hole 51, a second heat insulation piece 6 and a second through hole 61.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should 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 according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Example one

Referring to fig. 1 to 4, the housing structure provided in this embodiment includes:

a case body 2;

a fixed side beam 21 formed by extending an outer side wall of at least one side of the shell body 2 in the width direction;

can dismantle boundary beam 3, the activity set up in on the lateral wall of 2 width direction's of shell at least one of them side, can dismantle boundary beam 3 with fixed boundary beam 21 sets up along length direction parallel and interval.

The shell body 2 is formed by surrounding a surrounding frame and a bottom wall arranged on the bottom surface, and a containing space suitable for containing a battery is formed in the shell body 2.

As described with reference to fig. 1, the width direction is the width direction in the drawing, and when the power unit is a vehicle, the width direction of the case body 2 is parallel to the vehicle width direction of the vehicle body; the length direction is the length direction in the figure, and the length direction of the shell body 2 is parallel to the vehicle length direction of the vehicle body.

Optionally, in this embodiment, the outer side walls of the two sides of the housing body 2 in the width direction are both extended to form the fixed edge beam 21. Additionally, the outer side wall of at least one side of the shell body 2 along the length direction also extends to form a fixed boundary beam 21, so that the shell structure is conveniently suspended at the bottom of the power device body, and a good fixing effect is achieved.

Optionally, the fixed edge beam 21 is provided with a fixed hole and/or a suspension point corresponding to the power device body.

The shell structure that this embodiment provided can dismantle boundary beam 3 through the setting to make can dismantle boundary beam 3 can the activity set up in on the shell body 2, thereby when shell structure and power device body do not take place to interfere, remain and to dismantle boundary beam 3, improve shell structure's thermal insulation performance, and when shell structure and power device body take place to interfere, can dismantle boundary beam 3 and get off, form and dodge for whole car assembly, thereby guarantee the normal assembly of shell structure and power device body, improve shell structure's commonality, can make things convenient for the motorcycle type that same section shell structure matches many varieties difference, conveniently realize the platformization design.

Combine shown in fig. 1, can dismantle boundary beam 3 with fixed boundary beam 21 homonymy sets up, just can dismantle boundary beam 3 with fixed boundary beam 21 is along length direction parallel arrangement, and is further, can dismantle boundary beam 3 along length direction's projection with fixed boundary beam 21 coincides mutually, can dismantle boundary beam 3 along width direction protrusion in the width of the lateral wall of shell body 2 with the width of fixed boundary beam 21 equals. Thereby guarantee that the specification of dismantling boundary beam 3 and fixed boundary beam 21 is unified mutually, improve the suitability.

In addition, since the battery pack is also required to be able to withstand a sufficiently large lateral compressive force, the combination of the detachable edge beam 3 and the fixed edge beam 21 can also serve as an important anti-compression part, thereby ensuring that the case structure has sufficient lateral strength.

Specifically, the detachable edge beam 3 is detachably connected with the outer side wall of the shell body 2 through a fixing piece 4.

In this embodiment, the fixing member 4 may be a screw, the detachable edge beam 3 is provided with an edge beam screw hole 31, and the screw passes through the edge beam screw hole 31 and is fixed to the outer side wall of the shell body 2. The number of the screws is multiple, and the axes of the screws are parallel and jointly define multiple planes.

Specifically, at least two fixed edge beams 21 are arranged along the length direction, and at least one detachable edge beam 3 is arranged between every two adjacent fixed edge beams 21.

Referring to fig. 1, the two fixed boundary beams 21 are provided, the two fixed boundary beams 21 are arranged along the length direction of the shell body 2 at intervals, and the detachable boundary beam 3 is arranged in the middle of the two fixed boundary beams 21.

Optionally, two sides of the detachable boundary beam 3 along the length direction may be attached to the two fixed boundary beams 21, and as a deformation, two sides of the detachable boundary beam 3 along the length direction may be spaced from the two fixed boundary beams 21.

Specifically, one side of the detachable edge beam 3 close to the shell body 2 is provided with a first heat preservation member 5.

Specifically, one side of the detachable edge beam 3, which is far away from the shell body 2, is provided with a second heat preservation piece 6.

Set up the heat preservation piece through 3 both sides along width direction at the removable boundary beam to can improve the heat preservation effect of the lateral wall of shell body 2, avoid the battery cooling too fast with the lateral wall laminating of shell body 2 mutually.

Be provided with first via hole 51 on the first heat preservation 5, be provided with second via hole 61 on the second heat preservation 6, first via hole 51 with second via hole 61 all with the corresponding setting in position of boundary beam screw hole 31 to the convenience is to the fixed of first heat preservation 5 and second heat preservation 6.

Specifically, the first heat preservation member 5, the detachable edge beam 3 and the second heat preservation member 6 are sequentially screwed on the outer side wall of the shell body 2;

when the detachable edge beam 3 is in a detachable state, the first heat-preservation part 5 and/or the second heat-preservation part 6 are/is suitable for being attached to the outer side wall of the shell body 2.

The shell structure that this embodiment provided, through with first heat preservation 5 with second heat preservation 6 all with can dismantle 3 split type settings of boundary beam, thereby guarantee can dismantle when boundary beam 3 is in the dismantlement state, the lateral wall of casing body 2 still can have better heat preservation effect, improves the battery performance.

As the deformation, first heat preservation 5 can laminate on the lateral wall of casing body 2 to improve the heat preservation effect that can dismantle the lateral wall of boundary beam 3 and casing body 2 and correspond position department, guarantee to dismantle boundary beam 3 when dismantling the state, the lateral wall of casing body 2 still has better thermal insulation performance.

Outer sidewall specifically, the detachable edge beam 3 is formed with a hollow cavity 32 inside.

In this embodiment, the material of the detachable boundary beam 3 may be the same as the material of the fixed boundary beam 21, and further, the material of the detachable boundary beam 3 and the material of the fixed boundary beam 21 may be the same as the material of the case body 2, and the material may be aluminum or aluminum alloy.

The detachable edge beam 3 can be formed by injection molding, extrusion molding or welding.

Through can dismantle the inside cavity 32 that is formed with of boundary beam 3 to play better thermal-insulated effect by the air, improve the thermal-insulated heat preservation effect that can dismantle boundary beam 3 when the mounted state.

Example two

As shown in fig. 1, the present embodiment provides a battery pack, including:

the cover plate 1 is covered on the shell structure and forms a sealed cavity with the shell structure in an enclosing manner;

and a battery pack is arranged in the sealing cavity.

EXAMPLE III

The present embodiment provides a power plant, including:

the battery pack comprises a power device body and the battery pack arranged in the power device body and provided with the battery pack according to the second embodiment.

The power device can comprise a vehicle, an unmanned aerial vehicle, an explosion-proof operation armored vehicle and the like.

Specifically, the battery pack is fixedly connected with the power device body through a fixed edge beam 21;

the detachable edge beam 3 is suitable for being selectively installed on the battery pack so as to enable the battery pack to be matched with the power device body.

The battery pack is detachably connected with the power device body. Specifically, the battery pack and the power device body are detachably connected through a fixed boundary beam 21, and at this time, the detachable boundary beam 3 can be selectively installed on the case body 2 according to the model of the power device body and the corresponding installation position. When shell structure and power device body do not take place to interfere, remain and to dismantle boundary beam 3, improve shell structure's thermal insulation performance, and when shell structure and power device body take place to interfere, will dismantle boundary beam 3 and dismantle, dodge for whole car assembly formation to guarantee the normal assembly of shell structure and power device body, improve shell structure's commonality, can make things convenient for the different motorcycle types of the same section shell structure matching of multiple money, conveniently realize the platformization design.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A shell structure, comprising:

a case body (2);

a fixed side beam (21) formed by extending the outer side wall of at least one side of the shell body (2) in the width direction;

can dismantle boundary beam (3), the activity set up in on the lateral wall of at least one of them side of shell body (2) width direction, can dismantle boundary beam (3) with fixed boundary beam (21) set up along length direction parallel and interval.

2. The shell structure as claimed in claim 1, characterised in that the detachable edge beam (3) is detachably connected with the outer side wall of the shell body (2) via a fixing (4).

3. The shell structure as claimed in claim 1, characterised in that said fixed edge beams (21) are arranged in at least two pieces in the length direction, and at least one said detachable edge beam (3) is arranged between every two adjacent fixed edge beams (21).

4. The shell structure as claimed in claim 1, characterised in that the side of the detachable edge beam (3) adjacent to the shell body (2) is provided with a first thermal insulation (5).

5. A shell structure according to claim 4, characterized in that the side of the detachable edge beam (3) remote from the shell body (2) is provided with a second insulating element (6).

6. The shell structure according to claim 5, characterized in that said first insulating member (5), said detachable edge beam (3) and said second insulating member (6) are screwed in sequence on the outer side wall of said shell body (2);

when the detachable edge beam (3) is in a detachable state, the first heat-preservation piece (5) and/or the second heat-preservation piece (6) are suitable for being attached to the outer side wall of the shell body (2).

7. A housing structure according to any one of claims 1-6, characterized in that the detachable edge beam (3) is formed with a hollow cavity (32) inside.

8. A battery pack, comprising:

the housing structure according to any one of claims 1 to 7, and a cover plate (1) covering the housing structure and enclosing the housing structure to form a sealed chamber;

and a battery pack is arranged in the sealing cavity.

9. A power plant, comprising:

a power unit body, and a battery pack according to claim 8 provided inside the power unit body.

10. A power plant according to claim 9, characterized in that the battery pack is fixedly connected to the power plant body via a fixed edge beam (21);

the detachable edge beam (3) is suitable for being selectively installed on the battery pack so that the battery pack is matched with the power device body.