CN116331649A

CN116331649A - Packaging box of battery module and battery module group

Info

Publication number: CN116331649A
Application number: CN202111593848.6A
Authority: CN
Inventors: 川崎永士; 小林圭一郎; 藤丸诚; 王仁发
Original assignee: Dalian United Packaging Products Co ltd; Prime Planet Energy Dalian Co ltd; Prime Planet Energy and Solutions Inc
Current assignee: Dalian United Packaging Products Co ltd; Prime Planet Energy Dalian Co ltd; Prime Planet Energy and Solutions Inc
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2023-06-27
Also published as: JP7351985B2; JP2023095752A

Abstract

The present invention relates to a packaging case for battery modules and a battery module group. The packaging case for battery modules is provided with: a main body member made of corrugated paper material, having an opening, and capable of accommodating a plurality of battery modules; and a cover member made of corrugated paper material and capable of being provided to block the opening of the main body member. The body member includes a cover portion that overlaps the cover member when the body member is closed. The cover member is formed with a window portion, and the plurality of battery modules can be visually checked through the window portion in a state in which the cover member is provided to block the opening of the main body member. A holding portion capable of holding a plurality of battery module labels is formed at a portion where the cover member is folded back to form the window portion.

Description

Packaging box of battery module and battery module group

Technical Field

The present technology relates to a packaging case for battery modules and a battery module group.

Background

Conventionally, a packaging case for a battery module in which a plurality of battery cells are stacked is known. JP-A2002-075308, international publication No. 2013/031194 and JP-A2021-116069 disclose a packaging box for battery modules or corrugated paper for the packaging box.

When the battery module is used, a label on which information related to the battery module is recorded is attached to a position that can be seen from the outside. The packaging case for the battery module requires a function of packaging the above-described label together. In addition, a function of easily confirming whether or not the battery module is stored in a safe state when the packing box is opened is required.

On the other hand, there is a need to reduce the cost required for the package. It is required to suppress an increase in cost and to satisfy the above-described requirements. From the above point of view, the conventional packaging box is not necessarily sufficient.

Disclosure of Invention

The present technology is directed to providing a packaging case for battery modules and a battery module group, which can suppress an increase in cost, can facilitate packaging together with a label on which information of the battery modules is recorded, and can easily confirm that the battery modules are stored in a safe state.

The packaging box of the battery module related to the technology comprises: a main body member made of corrugated paper material, having an opening, and capable of accommodating a plurality of battery modules; and a cover member made of corrugated paper material and capable of being provided to block the opening of the main body member. The body member includes a cover portion that overlaps the cover member when the body member is closed. The cover member is formed with a window portion, and the plurality of battery modules can be visually checked through the window portion in a state in which the cover member is provided to block the opening of the main body member. A holding portion capable of holding a plurality of battery module labels is formed at a portion where the cover member is folded back to form the window portion.

The battery module group according to the present technology includes the package case for the battery modules and a plurality of battery modules stored in the package case.

The above, as well as additional objectives, features, aspects, and advantages of the present invention will become apparent from the following detailed description of the present invention when considered in conjunction with the accompanying drawings.

Drawings

Fig. 1 is an exploded perspective view of a packing case of a battery module.

Fig. 2 is a top view of a packing case of the battery module.

Fig. 3 is a view showing a state in which the upper lid of the packing box is opened from the state shown in fig. 2.

Fig. 4 is a view showing a state in which the cover member is detached from the state shown in fig. 3.

Fig. 5 is a diagram showing a step of holding a label in a packaging box.

Fig. 6 is a diagram showing a step of holding a label in a packaging box.

Fig. 7 is a diagram showing a step of holding a label in a packaging box.

Fig. 8 is an enlarged view of the holding portion of the tag.

Detailed Description

Hereinafter, embodiments of the present technology will be described. The same or corresponding parts are denoted by the same reference numerals, and the description thereof may not be repeated.

In the embodiments described below, when the number, the amount, and the like are mentioned, the scope of the present technology is not necessarily limited to the number, the amount, and the like unless otherwise specified. In the following embodiments, each component is not necessarily essential to the present technology unless otherwise specifically described.

In the present specification, the terms "include" and "have" are open-ended. I.e. comprising a certain structure, but not excluding other structures than this structure.

Fig. 1 is an exploded perspective view of a packing case of a battery module. As shown in fig. 1, the packing case 1 is a corrugated paper packing case used for, for example, transportation of a battery module, and includes a main body member 10, a partition member 20, a buffer member 30, and a cover member 40. In the case 1 according to the example, the main body member 10, the partition member 20, the buffer member 30, and the cover member 40 are each made of a corrugated paper material (corrugated cardboard), but the partition member 20 and the buffer member 30 may be made of a material other than a corrugated paper material, for example.

The body member 10 includes a side portion 11, a cover portion 12, and a bottom portion 13. By closing the cover portion 12, the body member 10 is sealed. A plurality of (two, as an example) battery modules can be housed in the main body member 10.

The partition member 20 includes a partition wall 21. The internal space of the body member 10 is divided into two by the partition wall 21. One battery module is respectively received in the two divided spaces.

The cushioning member 30 includes a first member 31, a second member 32, and a third member 33. The first member 31 and the second member 32 are provided in a combined state at both ends of the main body member 10 in the first direction (Y-axis direction). The third member 33 is provided so as to be sandwiched by the first member 31 along the Y-axis direction.

The cover member 40 can be provided to block the opening of the body member 10 in a state where the cover portion 12 of the body member 10 is opened. This allows the battery module supported by the buffer member 30 in the main body member 10 to be covered from above. When the cover portion 12 of the body member 10 is closed, the cover portion 12 overlaps the cover member 40.

Fig. 2 is a plan view of the packing case 1, fig. 3 shows a state in which the lid portion 12 of the packing case 1 is opened from the state shown in fig. 2, and fig. 4 shows a state in which the cover member 40 is detached from the state shown in fig. 3.

The packing case 1 accommodates two battery modules. The two battery modules can be transported in a state of being stored in the package case 1. The packing case 1 constitutes a battery module group formed by combining two battery modules.

As shown in fig. 2, the main body member 10 of the package 1 has a rectangular shape in which the Y-axis direction (first direction) is the long side direction and the X-axis direction (second direction) is the short side direction. When the lid portion 12 of the packaging box 1 is opened from the state shown in fig. 2, as shown in fig. 3, the cover member 40 provided so as to block the opening of the main body member 10 can be visually confirmed.

By closing the opening of the main body 10 with the cover member 40, it is possible to more effectively suppress foreign matter from entering the inside of the main body member 10 housing the battery module. In addition, even when leakage occurs from the battery module, leakage of the liquid to the outside of the package case 1 can be suppressed.

The cover member 40 has a rectangular shape having a long side direction in the Y-axis direction and a short side direction in the X-axis direction, similar to the main body member 10. The cover member 40 includes a plate-like portion 41, a window portion 42, a holding portion 43, and a grip hole 44. The plate-like portion 41 is a portion where the corrugated paper material exists directly in a plate shape.

The window 42 is formed by providing an opening in the corrugated paper material of the plate-like portion 41. The two

battery modules

100 and 200 housed in the main body member 10 can be visually checked through the window 42. The partition wall 21 located between the

battery modules

100 and 200 can also be visually checked through the window 42. That is, the window 42 is formed in a range spanning the partition wall 21.

Since the

battery modules

100 and 200 can be visually checked through the window 42, even in a state where the cover member 40 is attached, it is possible to check that the

battery modules

100 and 200 are stored in the main body member 10 in a safe state (for example, in a case where a predetermined insulation is applied to the conductive portion).

The window 42 is formed in the center of the plate 41 in the Y-axis direction and the X-axis direction. The window 42 has a contour extending in a direction obliquely intersecting the Y-axis direction and the X-axis direction. The window 42 shown in fig. 3 has a substantially square shape with one side of about 100mm, for example, but the shape of the window 42 is not limited thereto.

In the corrugated paper material constituting the cover member 40 shown in fig. 3, the X-axis direction is the corrugated direction. However, the corrugated direction is not limited to the X-axis direction, and may be the Y-axis direction. The corrugated direction may extend in the width direction or in the length direction. The outline of the window 42 obliquely intersects the corrugated direction of the corrugated paper material constituting the cover member 40. This can suppress a decrease in strength of the plate-like portion 41 around the window 42.

The holding unit 43 holds a label (label 300 of fig. 8) described later. The holding portion 43 is formed at a portion where the plate-like portion 41 of the cover member 40 is folded back to form the window portion 42.

The hand holes 44 are provided at both ends of the plate-like portion 41 in the Y-axis direction. The hand hole 44 is formed for inserting a finger when the cover member 40 is detached.

When the cover member 40 is detached from the state shown in fig. 3, the two

battery modules

100 and 200 can be removed as shown in fig. 4. In the

battery modules

100, 200, a plurality of battery cells are stacked in the Y-axis direction.

The

battery modules

100, 200 have

connectors

110, 210, respectively. The

connectors

110 and 210 are housed in both ends of the main body member 10 in the Y axis direction. Therefore, in the state where the cover member 40 is attached, the

connectors

110, 210 are located at positions separated from the window 42. By separating the window 42 from the

connectors

110 and 210, it is possible to effectively prevent foreign matter such as paper dust from being mixed into the

connectors

110 and 210.

Fig. 5 to 7 are views showing a step of holding the label 300 in the packaging box 1. Fig. 8 is an enlarged view of the holding portion 43 of the tag 300.

As shown in fig. 5, the folded back

portions

43A, 43B are folded back in a state where the label 300 is placed on the plate-like portion 41. As shown in fig. 6, in a state where the folded

portions

43A and 43B are combined, the tag 300 is in a state that can be visually confirmed.

Next, as shown in fig. 7, the folded portion 43C is folded back and overlapped on the folded

portions

43A, 43B. Thereby, the holding portion 43 shown in fig. 8 is formed.

The folded portion 43C has an opening 43D at a portion overlapping with the folded

portions

43A, 43B. By providing the opening 43D, the label 300 can be visually confirmed even in a state where the folded portion 43C is overlapped.

In the state shown in fig. 8, the label 300 can be visually confirmed within a range of about 15mm square, for example. Thus, when the lid portion 12 of the main body member 10 is opened, the label 300 can be reliably recognized as being held by the holding portion 43 of the cover member 40, and therefore, the operator who opens the box can immediately find the label 300.

The folded portion 43C has an engagement portion 43E that engages with the plate-like portion 41. By providing the engaging portion 43E, the folded-back state of the folded-back portion 43C can be maintained, and the label 300 can be stably held.

Information about the

battery modules

100 and 200, for example, information about the voltages of the

battery modules

100 and 200, and the like are recorded in the tag 300. After the

battery modules

100 and 200 are taken out of the package case 1, the label 300 is attached to the

battery modules

100 and 200.

As described above, according to the packaging box 1 of the present embodiment, the labels 300 can be packaged together so that the labels 300 on which the information of the

battery modules

100 and 200 is recorded can be prevented from being lost without increasing the cost. In addition, it is possible to easily confirm that the

battery modules

100 and 200 are stored in a safe state.

While the embodiments of the present invention have been described, the embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, and all changes that come within the meaning and range of equivalency of the claims are intended to be embraced therein.

Claims

1. A packaging case for a battery module, wherein the packaging case for a battery module is provided with:

a main body member made of corrugated paper material, having an opening, and capable of accommodating a plurality of battery modules; and

a cover member made of a corrugated paper material, capable of being provided to block the opening of the main body member,

the body member includes a cover portion that overlaps the cover member when the body member is closed,

a window is formed in the cover member, and the plurality of battery modules can be visually checked through the window in a state in which the cover member is provided to block the opening of the main body member,

a holding portion capable of holding the plurality of battery module labels is formed at a portion where the cover member is folded back to form the window portion.

2. The package for battery modules of claim 1, wherein,

the package case for battery modules further includes a partition dividing the housing portions of the plurality of battery modules within the main body member,

the partition portion can be visually checked through the window portion in a state where the cover member is provided to block the opening of the main body member.

3. The package for battery modules according to claim 1 or 2, wherein,

the opening of the body member and the cover member have a rectangular shape having a long side along a first direction and a short side along a second direction orthogonal to the first direction,

the window is formed such that a contour of the window intersects the first direction and the second direction.

4. The package for battery modules as defined in claim 3, wherein,

the corrugated direction of the corrugated paper material constituting the cover member extends in the first direction or the second direction.

5. The package for battery modules according to claim 1 or 2, wherein,

the window portion is formed such that a contour of the window portion intersects a corrugated direction of a corrugated paper material constituting the cover member.

6. A battery module group, wherein the battery module group is provided with:

the packaging case for battery modules according to any one of claims 1 to 5; and

and a plurality of battery modules accommodated in the packaging box.

7. The battery module stack of claim 6, wherein,

the window portion is provided at a position separated from the connectors of the plurality of battery modules.

8. The battery module group according to claim 6 or 7, wherein,

information related to the voltages of the plurality of battery modules is recorded on the tag.

9. The battery module group according to any one of claims 6 to 8, wherein,

at least a part of the label can be visually checked in a state where the label is held by the holding portion.