Energy storage box structure

By setting up an internal insulating fire-proof layer of fire-resistant foam and PC insulating film in the energy storage box structure of the battery module, the problem of easily being corroded and poor fire-proof effect of the battery module is solved, and an energy storage box structure with good insulation performance, strong fire-proof performance and low manufacturing cost is achieved.

CN222966229UActive Publication Date: 2025-06-10NINGBO YUMIN MASCH IND CO LTD
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Patent Information

Application Number
CN202421307540.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-06-10
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

Existing battery modules are prone to corrosion and have poor fire resistance, which has high manufacturing costs.

Method used

An energy storage box structure is adopted, including the main shell and an inner insulating fireproof layer. The main shell is composed of the main shell cover, end plate and side plate. The inner insulating fireproof layer realizes the insulating fireproof function by setting a fireproof foam and a PC insulating film on the inner side wall of the main shell.

Benefits of technology

It realizes an energy storage box structure with good insulation performance and strong fire resistance, reducing manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222966229U_ABST
Patent Text Reader

Abstract

The utility model discloses an energy storage box body structure and aims to overcome the defects that a battery module is easy to corrode and the fireproof effect is poor in the prior art. The technical problem is solved through the following technical scheme that the fireproof cable comprises a main shell and an inner insulation fireproof layer, the main shell comprises a main shell cover, end plates arranged at the two ends of the main shell cover in the length direction and side plates arranged at the two ends of the main shell cover in the width direction, and the inner insulation fireproof layer comprises fireproof foam arranged on the inner side wall of the main shell. And an insulating layer is arranged between the fireproof foam and the inner side wall of the main shell. According to the utility model, the inner insulation fireproof layer is arranged on the inner side wall of the main body shell to realize the insulation fireproof function, the fireproof function is mainly realized through the fireproof foam layer, and the fireproof foam has the characteristics of light weight and convenient installation.
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Description

Technical Field

[0001] The utility model relates to the technical field of energy, and more specifically, it relates to a structure of an energy storage box body. Background Technique

[0002] The battery module includes a bottom plate, two end plates, two side plates and a cover plate. The bottom plate, the two end plates and the two side plates are connected to form a containing space, and a plurality of battery cells arranged in sequence are placed in the containing space. The cover plate is covered on the battery cells to form a relatively sealed battery module. In the prior art, the materials of the bottom plate, the side plates, the end plates and the cover plate are all metals. Since the metal is a conductive material, there is a risk of electric leakage in the battery module. Moreover, due to the relatively high thermal conductivity of the metal, the battery module is greatly affected by the external temperature and is easily corroded, thus restricting the application range of the battery module.

[0003] Chinese Patent Publication No. CN117317510B, Publication Date: March 19, 2024, Invention Title: Battery Module and Energy Storage Box. This application discloses an energy storage box, which realizes the functions of heat insulation, insulation and anti-corrosion by setting a ceramic felt layer and multiple fiberglass fabric layers. Although the above structure can achieve good technical effects, its manufacturing cost is very high. Content of the Utility Model

[0004] The utility model overcomes the deficiencies in the prior art that the battery module is easily corroded and has poor fire prevention effect, and provides a structure of an energy storage box body, which has the characteristics of good insulation performance and strong fire prevention performance.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: A structure of an energy storage box body includes: a main shell and an inner insulation and fire prevention layer. The main shell includes a main shell cover, end plates arranged at both ends in the length direction of the main shell cover, and side plates arranged at both ends in the width direction of the main shell cover. The inner insulation and fire prevention layer includes fireproof foam arranged on the inner side wall of the main shell, and an insulation layer is arranged between the fireproof foam and the inner side wall of the main shell.

[0006] In the utility model, the functions of insulation and fire prevention are mainly realized by setting an inner insulation and fire prevention layer on the inner side wall of the main body shell. Fire prevention is mainly realized by the fireproof foam layer. The fireproof foam has the characteristics of light weight and convenient installation; while the insulation layer uses a PC insulation film to realize the insulation function. When installing the PC insulation layer and the fireproof foam, they can be directly installed on the inner side wall of the main shell by bonding, which has the characteristic of convenient installation and reduces the manufacturing cost of the utility model.

[0007] As a preference, an end plate opening is penetrated on the end plate on one side of the main shell cover, and a front cover matching with the end plate opening is arranged on the end plate opening.

[0008] The front cover is installed on the end plate opening through bolts, enabling the front cover to be removed, thus facilitating the maintenance of the circuit inside the main housing.

[0009] Preferably, a first gasket is provided at the edge of the end plate opening, and the edge of the front cover fits against the gasket.

[0010] The first gasket has the function of insulation and sealing.

[0011] Preferably, a first handle is fixedly provided on the front cover, and a second handle is provided on the end plate on the other side away from the front cover.

[0012] The provision of the first handle and the second handle facilitates the movement of the main housing.

[0013] Preferably, a second gasket is provided at the edge of the main housing cover.

[0014] In the embodiment, the second gasket is made of silicone material. Silicone has good sealing and insulating effects.

[0015] Preferably, two hooks are provided on the end plate, and the two hooks are respectively provided on both sides in the length direction of the end plate opening.

[0016] The provision of the hooks enables the main housing to be conveniently assembled and installed with other parts.

[0017] Preferably, a plurality of connecting pieces are arranged side by side at both ends in the length direction of the main housing, and the connecting pieces are L-shaped.

[0018] The L-shaped connecting piece includes a horizontal connecting piece and a vertical connecting piece. Connecting holes are penetrated through both the horizontal connecting piece and the vertical connecting piece. The horizontal connecting piece is used for mounting the battery module. The vertical connecting piece is used for being fixedly provided on the end plate through bolts.

[0019] Preferably, the insulating layer is a PC insulating film, and the PC insulating film is bonded between the fireproof foam and the inner sidewall of the main housing.

[0020] The PC insulating film can be directly bonded between the fireproof foam and the inner sidewall of the main housing. It has the characteristics of convenient installation and good insulating effect.

[0021] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0022] In the present utility model, the functions of insulation and fire prevention are mainly achieved by providing an inner insulation and fireproof layer on the inner sidewall of the main body housing. Fire prevention is mainly achieved through the fireproof foam layer. The fireproof foam has the characteristics of light weight and convenient installation; while the insulating layer uses a PC insulating film to achieve the insulating function. The PC insulating layer and the fireproof foam can be directly installed on the inner sidewall of the main housing by bonding during installation, which has the characteristic of convenient installation and reduces the manufacturing cost of the present utility model. Brief Description of the Drawings

[0023] Figure 1 is the three-dimensional structure diagram of the present utility model.

[0024] Figure 2 is the three-dimensional structure diagram of the present utility model from another angle.

[0025] Figure 3 is the exploded view of the present utility model.

[0026] Figure 4 is the exploded view of the present utility model from another angle.

[0027] Figure 5 is the three-dimensional structure diagram of the connecting piece of the present utility model.

[0028] In the figure: 1, main housing, 11, main housing cover, 12, end plate, 13, side plate, 14, horizontal flange, 15, end plate opening, 16, front cover, 17, connecting bracket, 18, first handle, 19, second handle;

[0029] 2, inner insulating fireproof layer, 21, end plate fireproof foam layer, 22, side plate fireproof foam layer, 23, main housing cover fireproof foam layer, 24, insulating layer;

[0030] 3, second gasket;

[0031] 4, hook, 41, hook plate, 42, hook connecting plate, 43, hook opening;

[0032] 5, connecting piece, 51, horizontal connecting piece, 52, vertical connecting piece;

[0033] 6, first gasket;

[0034] 7, opening insulating plate. Detailed Embodiment

[0035] The technical solution of the present utility model will be further specifically described below through specific embodiments in conjunction with the drawings:

[0036] Embodiment 1: Refer to Figures 1 to 5As shown in the figure, a structure of an energy storage box body includes: a main shell 1 and an inner insulating and fireproof layer 2, and the inner insulating and fireproof layer is arranged on the inner side wall of the main shell. The main shell includes a main shell cover 11, end plates 12 arranged at both ends in the length direction of the main shell cover, and side plates 13 arranged at both ends in the width direction of the main shell cover. The end plates, side plates and the main shell cover are integrally formed. The inner insulating and fireproof layer includes fireproof foam arranged on the inner side wall of the main shell. Specifically, the inner insulating and fireproof layer includes an end plate fireproof foam layer 21 arranged on the inner side wall of the end plate, a side plate fireproof foam layer 22 arranged on the inner side wall of the side plate, and a main shell cover fireproof foam layer 23 arranged on the inner side of the main shell cover. The fireproof foam has good fireproof and heat insulation effects and can be directly installed on the inner side wall of the main shell by adhesion, with the characteristic of convenient installation.

[0037] In addition, in order to improve the insulation performance, an insulating layer 24 (the shaded part in the figure) is arranged between the fireproof foam and the inner side wall of the main shell. The insulating layer can be made of other materials. In this embodiment, the insulating layer is preferably made of a PC insulating film, and the PC insulating film can be directly attached between the fireproof foam and the inner side wall of the main shell. It has the characteristics of convenient installation and good insulation effect.

[0038] The side plates at both ends of the main shell cover and the end plates at its both ends enclose an opening of the main shell. A second gasket 3 is arranged at the position of the edge of the opening of the main shell, and the second gasket is arranged in the circumferential direction of the opening of the main shell. Specifically, a horizontal flange 14 is arranged at the edge of the opening of the main shell. The horizontal flange has a certain width, and the width of the second gasket is the same as that of the horizontal flange. At the same time, a plurality of through holes are uniformly arranged through the horizontal flange, and second through holes corresponding to the through holes are arranged on the second gasket. The second through holes and the through holes correspond to each other, which is convenient for bolts to pass through the second through holes and the through holes when the main shell is installed. The second gasket in this embodiment is made of silicone material. Silicone has good sealing and insulation effects.

[0039] An end plate opening 15 is arranged through the end plate on one side in the length direction of the main shell cover. The end plate opening is a rectangular structure, and a front cover 16 matching the end plate opening is arranged on the end plate opening. The front cover and the end plate are connected by bolts. A connecting bracket 17 is arranged on the side close to the front cover inside the main shell. The connecting bracket is directly fixed on the inner side wall of the end plate and is arranged on both sides in the length direction of the end plate opening. The arrangement of the connecting bracket is convenient for fixing the battery module when installing the battery module later. And the front cover is installed on the end plate opening by bolts, so that the front cover can be removed, thus facilitating the maintenance of the circuit inside the main shell.

[0040] An opening insulating plate 7 is arranged at the end plate opening, and a PC insulating film is also arranged on the inner side wall of the opening insulating plate.

[0041] In order to improve the sealing and insulation performance, a first gasket 6 is provided at the edge of the end plate opening, and the edge of the front cover fits with the first gasket. A number of mounting holes are evenly provided around the end plate opening, and a number of mounting holes are also provided at the edge of the front cover. After the bolts pass through the mounting holes on the front cover, then pass through the gasket, and finally are fixedly installed with the mounting holes on the end plate opening.

[0042] In this utility model, the insulation and fire prevention functions are mainly achieved by providing an inner insulation and fire prevention layer on the inner side wall of the main housing. Fire prevention is mainly achieved through the fireproof foam layer. The fireproof foam has the characteristics of light weight and convenient installation; while the insulation layer uses a PC insulation film to achieve the insulation function. The PC insulation layer and the fireproof foam can be directly installed on the inner side wall of the main housing by bonding during installation, which has the characteristic of convenient installation and reduces the manufacturing cost of this utility model.

[0043] Embodiment 2: Refer to Figures 1 to 5 As shown, a structure of an energy storage box body includes: a main housing and an inner insulation and fire prevention layer, and the inner insulation and fire prevention layer is provided on the inner side wall of the main housing. The main housing includes a main housing cover and end plates provided at both ends in the length direction of the main housing cover, and side plates provided at both ends in the width direction of the main housing cover. The end plates, side plates and the main housing cover are integrally formed. The inner insulation and fire prevention layer includes fireproof foam provided on the inner side wall of the main housing. Specifically, the inner insulation and fire prevention layer includes an end plate fireproof foam layer provided on the inner side wall of the end plate, a side plate fireproof foam layer provided on the inner side wall of the side plate, and a main housing cover fireproof foam layer provided inside the main housing cover. The fireproof foam has good fireproof and heat insulation effects and can be directly installed on the inner side wall of the main housing by adhesion, which has the characteristic of convenient installation.

[0044] In addition, in order to improve the insulation performance, an insulation layer (the shaded part in the figure) is provided between the fireproof foam and the inner side wall of the main housing. The insulation layer can be made of other materials. In this embodiment, the insulation layer is preferably a PC insulation film, and the PC insulation film can be directly attached between the fireproof foam and the inner side wall of the main housing. It has the characteristics of convenient installation and good insulation effect.

[0045] The side plates at both ends of the main housing cover and the end plates at both ends thereof enclose the opening of the main housing. A second gasket is provided at the position of the edge of the main housing opening. The second gasket is provided in the circumferential direction of the main housing opening. Specifically, a horizontal flange is provided at the edge of the main housing opening. The horizontal flange has a certain width, and the width of the second gasket is the same as that of the horizontal flange. At the same time, a number of through holes are evenly provided through the horizontal flange, and second through holes corresponding to the through holes are provided on the second gasket. The second through holes correspond to the through holes, which is convenient for the bolts to pass through the second through holes and the through holes during the installation of the main housing. The second gasket in this embodiment is made of silicone material. Silicone has good sealing and insulation effects.

[0046] An end plate opening is penetrated and provided on the end plate on one side in the length direction of the main shell cover. The end plate opening is of a rectangular structure, and a front cover matching the end plate opening is provided on the end plate opening. The front cover and the end plate are connected by bolts. A connecting bracket is provided on one side of the main body shell close to the front cover. The connecting bracket is directly fixedly provided on the inner side wall of the end plate, and the connecting bracket is provided on both sides in the length direction of the end plate opening. The setting of the connecting bracket facilitates the fixation of the battery module when installing the battery module later. The front cover is installed on the end plate opening by bolts, so that the front cover can be removed, thus facilitating the maintenance of the circuit inside the main shell.

[0047] An opening insulating plate is provided at the end plate opening, and a PC insulating film is also provided on the inner side wall of the opening insulating plate.

[0048] In order to improve the sealing and insulating performance, a first gasket is provided at the edge of the end plate opening, and the edge of the front cover fits with the first gasket. A plurality of mounting holes are evenly provided around the end plate opening, and a plurality of mounting holes are also provided on the edge of the front cover. After the bolts pass through the mounting holes on the front cover, then pass through the gasket, and finally are fixedly installed with the mounting holes on the end plate opening.

[0049] A first handle 18 is fixedly provided on the front cover, and a second handle 19 is provided on the end plate on the other side far from the front cover. The setting of the first handle and the second handle facilitates the movement of the main shell.

[0050] In the present utility model, the insulation and fire prevention functions are mainly realized by providing an inner insulation and fire prevention layer on the inner side wall of the main shell. The fire prevention is mainly realized by a fireproof foam layer. The fireproof foam has the characteristics of light weight and convenient installation; while the insulation layer uses a PC insulating film to realize the insulation function. The PC insulation layer and the fireproof foam can be directly installed on the inner side wall of the main shell by bonding, which has the characteristic of convenient installation and reduces the manufacturing cost of the present utility model.

[0051] Example 3: Refer to Figures 1 to 5 As shown, a structure of an energy storage box body includes: a main shell and an inner insulation and fire prevention layer, and the inner insulation and fire prevention layer is provided on the inner side wall of the main shell. The main shell includes a main shell cover and end plates provided at both ends in the length direction of the main shell cover, and side plates provided at both ends in the width direction of the main shell cover. The end plates, side plates and main shell cover are integrally formed. The inner insulation and fire prevention layer includes a fireproof foam provided on the inner side wall of the main shell. Specifically, the inner insulation and fire prevention layer includes an end plate fireproof foam layer provided on the inner side wall of the end plate, a side plate fireproof foam layer provided on the inner side wall of the side plate, and a main shell cover fireproof foam layer provided inside the main shell cover. The fireproof foam has good fireproof and heat insulation effects and can be directly installed on the inner side wall of the main shell by adhesion, which has the characteristic of convenient installation.

[0052] In addition, in order to improve the insulation performance, an insulating layer (the shaded part in the figure) is provided between the fireproof foam and the inner side wall of the main housing. The insulating layer can be made of other materials. In this embodiment, the insulating layer is preferably made of a PC insulating film, which can be directly attached between the fireproof foam and the inner side wall of the main housing. It has the characteristics of convenient installation and good insulation effect.

[0053] The side plates at both ends of the main housing cover and the end plates at both ends thereof enclose the opening of the main housing. A second gasket is provided at the position of the edge of the opening of the main housing, and the second gasket is arranged in the circumferential direction of the opening of the main housing. Specifically, a horizontal flange is provided at the edge of the opening of the main housing. The horizontal flange has a certain width, and the width of the second gasket is the same as that of the horizontal flange. At the same time, a plurality of through holes are uniformly provided through the horizontal flange, and second through holes corresponding to the through holes are provided on the second gasket. The second through holes correspond to the through holes, which is convenient for bolts to pass through the second through holes and the through holes when the main housing is installed. The second gasket in this embodiment is made of silicone material. Silicone has good sealing and insulation effects.

[0054] An end plate opening is provided through the end plate on one side in the length direction of the main housing cover. The end plate opening is of a rectangular structure, and a front cover matching the end plate opening is provided on the end plate opening. The front cover and the end plate are connected by bolts. A connecting bracket is provided on the inner side of the main housing near the front cover. The connecting bracket is directly fixed on the inner side wall of the end plate and is arranged on both sides in the length direction of the end plate opening. The setting of the connecting bracket is convenient for fixing the battery module when installing the battery module later. The front cover is installed on the end plate opening by bolts, so that the front cover can be removed, which is convenient for overhauling the circuit inside the main housing.

[0055] An opening insulating plate is provided at the end plate opening, and a PC insulating film is also provided on the inner side wall of the opening insulating plate.

[0056] In order to improve the sealing and insulation performance, a first gasket is provided at the edge of the end plate opening, and the edge of the front cover fits with the first gasket. A plurality of mounting holes are uniformly provided around the end plate opening, and a plurality of mounting holes are also provided at the edge of the front cover. After the bolts pass through the mounting holes on the front cover, then pass through the gasket, and finally are fixedly installed with the mounting holes on the end plate opening.

[0057] A first handle is fixedly provided on the front cover, and a second handle is provided on the end plate on the other side far from the front cover. The setting of the first handle and the second handle can facilitate the movement of the main housing.

[0058] In the present utility model, the functions of insulation and fire prevention are mainly achieved by providing an inner insulation and fireproof layer on the inner sidewall of the main housing. Fire prevention is mainly achieved by a fireproof foam layer, and the fireproof foam has the characteristics of light weight and convenient installation. The insulation layer is realized by using a PC insulation film. When installing the PC insulation layer and the fireproof foam, they can be directly installed on the inner sidewall of the main housing by bonding, which has the characteristic of convenient installation and reduces the manufacturing cost of the present utility model.

[0059] Two hooks 4 are provided on the end plate, and the two hooks are respectively arranged on both sides of the end plate opening in the length direction. The hook includes a hook plate 41 and a hook connecting plate 42. The hook connecting plate is directly fixed on the end plate by bolts, and a hook opening 43 with an opening facing the bottom is provided on the hook plate. The setting of the hook enables the main housing to be conveniently assembled and installed with other parts.

[0060] A plurality of connecting pieces 5 are arranged side by side at both ends of the main housing in the length direction, and the connecting pieces are L-shaped. The L-shaped connecting piece includes a horizontal connecting piece 51 and a vertical connecting piece 52. Connecting holes are penetrated through both the horizontal connecting piece and the vertical connecting piece. The horizontal connecting piece is used for mounting the battery module. The vertical connecting piece is used for being directly fixed on the end plate by bolts.

[0061] The above-described embodiments are only the preferred solutions of the present utility model, and do not impose any form of limitation on the present utility model. There are other variations and modifications without exceeding the technical solutions recorded in the claims.

Claims

1. An energy storage box structure, characterized in that: include: The main shell and the inner insulating fireproof layer, the main shell includes a main shell cover and end plates arranged at both ends of the main shell cover in the length direction, and side plates arranged at both ends of the main shell cover in the width direction, the inner insulating fireproof layer includes fireproof foam arranged on the inner side wall of the main shell, and an insulating layer is arranged between the fireproof foam and the inner side wall of the main shell; An end plate opening is provided through the end plate on one side of the main shell cover, and a front cover matched with the end plate opening is provided on the end plate opening.

2. The energy storage box structure according to claim 1 is characterized in that: A first sealing pad is arranged at the edge of the end plate opening, and the edge of the front cover is in contact with the sealing pad.

3. The energy storage box structure according to claim 2 is characterized in that: A first handle is fixedly arranged on the front cover, and a second handle is arranged on the end plate on the other side away from the front cover.

4. The energy storage box structure according to claim 1 or 2, characterized in that: A second sealing gasket is arranged on the edge of the main shell cover.

5. The energy storage box structure according to claim 1 is characterized in that: Two hooks are arranged on the end plate, and the two hooks are arranged on both sides of the length direction of the end plate opening respectively.

6. The energy storage box structure according to any one of claims 1, 2 or 5, characterized in that: A plurality of connecting pieces are arranged side by side at both ends of the main shell in the length direction, and the connecting pieces are L-shaped.

7. The energy storage box structure according to claim 1 or 2, characterized in that: The insulating layer is a PC insulating film, which is attached between the fireproof foam and the inner wall of the main shell.