Multi-stage sealing energy storage device

Abstract

The utility model relates to the technical field of energy storage equipment, particularly provides a multi-stage sealing energy storage device, and aims to solve the problem of poor sealing performance of an energy storage box body in the prior art. In order to achieve the purpose, the multistage sealing energy storage device comprises a box body and a door plate assembly, the box body is provided with an installation opening, and the door plate assembly is arranged on the box body in a hinged mode so that the door plate assembly can seal the installation opening when the door plate assembly is closed; the first sealing element and the second sealing element are sequentially arranged from the outer side to the inner side of the door plate assembly along the matched abutting surface of the door plate assembly and the mounting opening; the third sealing piece is used for forming a sealing cavity with the door plate assembly and the side wall of the box body, and the first sealing piece is located in the sealing cavity. By means of the scheme, the overall sealing performance of the energy storage device is improved, the IP55 or even higher sealing grade of the energy storage device is achieved, and safe operation of internal components of the energy storage device is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage device technical field, specifically provide a multistage sealed energy storage device. BACKGROUND

[0002] With the rapid development of the energy storage market, customers' requirements for the sealing of energy storage boxes are also increasing, and the sealing level has been improved from IPX4 to IP55 or even higher. As the energy density of the energy storage system continues to increase, the deformation of the energy storage box increases, making the sealing of the energy storage box more and more challenging. Moreover, during transportation and installation, full-load hoisting is unavoidable, making it increasingly difficult for the energy storage box to achieve IP55 or even higher sealing levels.

[0003] Referring to Figure 1 , the existing energy storage device has a mounting port on the box 100, which is provided with a door frame unit. A sealing strip is arranged on the door frame unit. When the door plate assembly 200 is closed, the door plate assembly 200 abuts against the sealing strip 300 on the door frame unit, thereby achieving a sealing effect. At the same time, a rainproof edge 400 is also arranged on the top edge of the mounting port of the box 100 to guide the rainwater. The above-mentioned scheme achieves the sealing of the box 100 and protects the sealing position, thereby prolonging the service life of the sealing strip. However, the rainproof edge 400 at the top of the mounting port can only block the rainwater entering the sealing area from the vertical direction at the top. During the IP55 test, the sprayed water or dust cannot be blocked by the rainproof edge from entering the inside of the box 1. Moreover, due to the large size of the door frame unit and the door plate assembly 200, there is a certain manufacturing error, which makes it difficult to ensure the flatness, resulting in poor sealing effect after the door plate assembly 200 is closed. In addition, during transportation and installation, full-load hoisting is unavoidable, which causes the door frame unit and the door plate assembly 200 to deform. Therefore, the sealing effect of the sealing strip 300 cannot meet the required sealing effect.

[0004] Correspondingly, there is a need for a new energy storage device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the above-mentioned technical problems, i.e., to solve the problem of poor sealing of the energy storage box in the prior art.

[0006] In a first aspect, the utility model provides a multistage sealed energy storage device, which comprises:

[0007] a box and a door plate assembly, wherein the box is provided with a mounting port, and the door plate assembly is hingedly arranged on the box to seal the mounting port when closed;

[0008] The first seal, the second seal and the third seal, wherein the first seal and the second seal are sequentially arranged from the outside to the inside of the door panel assembly along the abutting surface of the door panel assembly and the mounting opening, and the third seal is arranged in the sealing cavity formed by the door panel assembly and the side wall of the cabinet and the first seal is located in the sealing cavity.

[0009] In the embodiment of the multi-stage sealed energy storage device, the third seal is arranged on the door panel assembly, and the third seal is arranged to abut against the cabinet and has a tendency to be close to the cabinet.

[0010] In the embodiment of the multi-stage sealed energy storage device, the multi-stage sealed energy storage device further comprises:

[0011] The door frame unit is arranged at the mounting opening, and the first seal and the second seal are arranged between the door panel assembly and the door frame unit.

[0012] In the embodiment of the multi-stage sealed energy storage device, the first seal is connected to the door panel assembly, and the second seal is connected to the door frame unit.

[0013] In the embodiment of the multi-stage sealed energy storage device, the door panel assembly comprises an inner door panel and an outer door panel arranged outside the inner door panel, the outer door panel abuts against the door frame unit, and the first seal and the third seal are arranged on the outer door panel.

[0014] In the embodiment of the multi-stage sealed energy storage device, the door panel assembly further comprises a mounting bracket arranged on the outer door panel, and the third seal is arranged on the mounting bracket.

[0015] In the embodiment of the multi-stage sealed energy storage device, the outer door panel comprises an outer door panel and an outer door panel, the outer door panel extends beyond the edge of the inner door panel, the outer door panel is bent towards the door frame unit, and the first seal is arranged at the edge of the outer door panel.

[0016] The door frame unit comprises a mounting panel, a connecting panel and a door frame panel, the mounting panel is parallel to the door frame panel, the door frame panel is close to the outer door panel, the connecting panel is connected to the mounting panel and the door frame panel at both ends, the end of the door frame panel is lower than the outer door panel, and the second seal is arranged on the door frame panel to abut against the outer door panel.

[0017] In the embodiment of the multi-stage sealed energy storage device, the door panel assembly further comprises:

[0018] a filler layer disposed between the door inner panel and the door outer panel.

[0019] In the specific embodiment of the multi-stage sealed energy storage device described above, the multi-stage sealed energy storage device further comprises:

[0020] a hinge unit, one end of which is connected with the box body and the other end of which is connected with the door panel assembly.

[0021] In the specific embodiment of the multi-stage sealed energy storage device described above, the first seal, the second seal and the third seal are detachably connected.

[0022] In the case of using the technical solution described above, the utility model discloses a multi-stage sealed energy storage device, which improves the sealing performance of the energy storage device by arranging multi-stage sealing in the box body and the door panel assembly. Specifically, the door panel assembly is hinged to the edge of the mounting port of the box body, when the door panel assembly is closed, the door panel assembly is buckled with the box body, there is a cooperating abutting surface between the door panel assembly and the mounting port, the first seal and the second seal are arranged in sequence from the outside to the inside of the door panel assembly along the ground section, forming two sealing structures; the third seal is arranged on the door panel assembly, when the door panel assembly is closed, the third seal, the box body and the door panel assembly form a sealed cavity, and the first seal is located in the sealed cavity. Through the above structure, in the IP55 or even higher sealing level test, the third seal can block water or dust from entering the inside of the box body, and the two sealing structures formed by the combination of the first seal, the second seal and the third seal can compensate for the sealing gap caused by manufacturing errors or deformation errors, thereby improving the overall sealing performance of the energy storage device, realizing the IP55 or even higher sealing level of the energy storage device, and being beneficial to the safe operation of the internal components. BRIEF DESCRIPTION OF DRAWINGS

[0023] The preferred embodiments of the utility model will be described below in combination with the drawings, in which:

[0024] Figure 1 is the partial sealing structure of the energy storage device in the prior art;

[0025] Figure 2 is the partial multi-stage sealing structure of the energy storage device in the present application;

[0026] Figure 3 is a schematic view of the door panel side of the energy storage device in the present application.

[0027] Among them, 100, the box body of the prior art; 200, the door panel assembly of the prior art; 300, the sealing strip of the prior art; 400, the rainproof edge of the prior art;

[0028] 1. Housing, 2. Door panel assembly, 3. First seal, 4. Second seal, 5. Third seal, 6. Sealing cavity, 7. Door frame unit, 8. Inner door panel, 9. Outer door panel, 10. Mounting bracket, 11. Outer door upright panel, 12. Outer door folding panel, 13. Mounting upright panel, 14. Connecting plate, 15. Door frame upright panel, 16. Filling layer, 17. Hinge unit. Detailed Implementation

[0029] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0030] It should be noted that in the description of this utility model, terms such as "upper," "lower," "left," "right," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the relevant device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, ordinal numbers such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] This utility model proposes a multi-stage sealed energy storage device, which includes a housing 1 and a door panel assembly 2. The housing 1 is provided with an installation port, and the door panel assembly 2 is hinged to the housing 1 so as to seal the installation port when closed. A first sealing element 3, a second sealing element 4, and a third sealing element 5 are provided. The first sealing element 3 and the second sealing element 4 are arranged sequentially from the outside to the inside of the door panel assembly 2 along the mating abutment surface between the door panel assembly 2 and the installation port. The third sealing element 5 is used to form a sealing cavity 6 with the side wall of the door panel assembly 2 and the housing 1, and the first sealing element 3 is located in the sealing cavity 6.

[0033] See Figure 2In this embodiment, an energy storage component is installed inside the housing 1. One side of the housing 1 has an installation opening, the size and shape of which can be flexibly designed as needed. A door panel assembly 2 is hinged to the housing 1, allowing it to open and close, and when closed, it engages with the installation opening to form a seal. When closed, the door panel assembly 2 has a pressing contact surface with the installation opening on the housing 1. The housing 1 can be designed with the inner contact surface of the installation opening according to the edge shape of the door panel assembly 2. Of course, this is only one possible implementation; multiple levels of sealing can be provided on the contact surface between the door panel assembly 2 and the installation opening of the housing 1. Specifically, along the direction from the outside to the inside of the door panel assembly 2, a first sealing element 3 and a second sealing element 4 are sequentially provided on the contact surface between the door panel assembly 2 and the installation opening, forming a two-layer sealing structure. A third sealing element 5 is also provided on the door panel assembly 2. The third sealing element 5 can form a sealing cavity 6 between the door panel assembly 2 and the housing 1, covering the contact surface where the first sealing element 3 is located, thus forming a sealed protection.

[0034] The three-stage seal formed by the above scheme can effectively improve the sealing performance between the housing 1 and the door panel assembly 2 of the energy storage device. At the contact surface between the door panel assembly 2 and the housing 1, the first seal 3 and the second seal 4, during IP55 or even higher sealing level tests, prevent water or dust from entering the housing 1. The two seals formed by the combination of the first seal 3, the second seal 4, and the third seal 5 can compensate for sealing gaps caused by manufacturing errors or deformation errors, thereby improving the overall sealing performance of the energy storage device and achieving an IP55 or even higher sealing level, which is beneficial to the safe operation of its internal components. For example, the first seal 3, the second seal 4, and the third seal 5 can be rubber sealing strips, and their specific shapes and structures can be flexibly designed according to the application location and sealing requirements.

[0035] Furthermore, based on the above embodiments, after the door panel assembly 2 is closed on the housing 1, the door panel assembly 2 can protrude from the side of the housing 1, and the third seal 5 is disposed on the edge of the door panel assembly 2. The third seal 5 can be configured as having an elastic sheet-like structure, and the third seal 5 has a tendency to press against the housing 1. When the door panel assembly 2 is closed, the third seal 5 presses against the side of the housing 1 with a certain clamping force to form an abutment, and the third seal 5, the housing 1, and the door panel assembly 2 form a sealing cavity 6, covering the abutment surface between the door panel assembly 2 and the mounting opening, preventing water or dust from entering the interior of the housing 1.

[0036] Furthermore, in other possible embodiments, a door frame unit 7 may be provided at the mounting opening of the housing 1. When the door panel assembly 2 is closed, the door panel assembly 2 abuts against the door frame unit 7, with the first sealing member 3 disposed on the door panel assembly 2 and the second sealing member 4 disposed on the door frame unit 7, forming two seals.

[0037] Based on the above embodiments, the door panel assembly 2 includes an outer door panel 9 and an inner door panel 8, wherein the edge of the outer door panel 9 is longer than the edge of the inner door panel 8, so that the outer door panel 9 abuts against the door frame unit 7. A first sealing member 3 is disposed on the inner side of the outer door panel 9 and abuts against the door frame unit 7, and a third sealing member 5 is disposed on the top of the outer door panel 9 to abut against the housing 1.

[0038] Furthermore, a mounting bracket 10 is provided on the edge of the outer door panel 9, and the third seal 5 is mounted on the mounting bracket 10. The mounting bracket 10 provides a firm mounting point for the third seal 5, thereby improving stability.

[0039] Furthermore, the outer door panel 9 and the door frame unit 7 abut against each other. Specifically, the outer door panel 9 includes an outer door upright panel 11 and an outer door folding panel 12. The outer door upright panel 11 is the outer side panel of the door panel assembly 2. The outer door folding panel 12 extends from the edge of the outer door upright panel 11 and bends towards the door frame unit 7. The door frame unit 7 includes a mounting upright plate 13, a connecting plate 14, and a door frame upright plate 15. The mounting upright plate 13 is connected and fixed to the inner side wall of the mounting opening on the housing 1. The connecting plate 14 is perpendicularly connected to the door frame upright plate 15. The door frame upright plate 15 is parallel to the mounting upright plate 13 and is close to the outer door upright panel 11. The first sealing member 3 is installed on the edge of the outer door folding panel 12, and the second sealing member 4 is installed on the edge of the door frame upright plate 15. When the door panel assembly 2 is closed, the outer door flap 12 is higher than the door frame upright 15. The first sealing element 3 at the end of the outer door flap 12 abuts against the outer side of the mounting upright 13 to form a seal, and the second sealing element 4 on the door frame upright 15 abuts against the inner side of the outer door upright 11 to form a seal. The two sealing lines are not on the same vertical plane, forming a bent sealing effect.

[0040] Furthermore, a filling layer 16 is provided between the inner door panel 8 and the outer door panel 9 to improve the insulation effect. The filling layer 16 can be made of rock wool, or other materials.

[0041] Further reading Figure 3 The door panel assembly 2 is hinged to the housing 1. For example, a hinge unit 17 can be used to connect the door panel assembly 2 to the housing 1 to achieve opening and closing. The first seal 3, the second seal 4, and the third seal 5 are all detachable. For example, the first seal 3, the second seal 4, and the third seal 5 can all be detached by plugging in.

[0042] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A multi-stage sealed energy storage device, characterized in that, The multi-stage sealed energy storage device includes: The box body (1) and the door panel assembly (2) are provided with an installation opening, wherein the box body (1) is hinged to the box body (1) so that the door panel assembly (2) seals the installation opening when closed; The first seal (3), the second seal (4), and the third seal (5) are arranged sequentially from the outside to the inside of the door panel assembly (2) along the mating contact surface between the door panel assembly (2) and the mounting opening. The third seal (5) is used to form a sealing cavity (6) with the side wall of the door panel assembly (2) and the housing (1), and the first seal (3) is located inside the sealing cavity (6).

2. The multi-stage sealed energy storage device according to claim 1, characterized in that, The third seal (5) is disposed on the door panel assembly (2), and the third seal (5) is used to abut against the housing (1) and has a tendency to adhere to the housing (1).

3. The multi-stage sealed energy storage device according to claim 1, characterized in that, The multi-stage sealed energy storage device also includes: A door frame unit (7) is disposed at the mounting opening, and the first seal (3) and the second seal (4) are both disposed between the door panel assembly (2) and the door frame unit (7).

4. The multi-stage sealed energy storage device according to claim 3, characterized in that, The first seal (3) is connected to the door panel assembly (2), and the second seal (4) is connected to the door frame unit (7).

5. The multi-stage sealed energy storage device according to claim 4, characterized in that, The door panel assembly (2) includes an inner door panel (8) and an outer door panel (9) located outside the inner door panel (8). The outer door panel (9) abuts against the door frame unit (7). The first sealing member (3) and the third sealing member (5) are both disposed on the outer door panel (9).

6. The multi-stage sealed energy storage device according to claim 5, characterized in that, The door panel assembly (2) further includes a mounting bracket (10), which is disposed on the outer door panel (9), and the third sealing element (5) is disposed on the mounting bracket (10).

7. The multi-stage sealed energy storage device according to claim 6, characterized in that, The outer door panel (9) includes an outer door upright panel (11) and an outer door folding panel (12). The outer door upright panel (11) extends beyond the edge of the inner door panel (8). The outer door folding panel (12) bends toward the door frame unit (7). The first sealing member (3) is disposed on the edge of the outer door folding panel (12). The door frame unit (7) includes a mounting plate (13), a connecting plate (14), and a door frame plate (15). The mounting plate (13) is parallel to the door frame plate (15) and the door frame plate (15) is close to the outer door plate (11). The two ends of the connecting plate (14) are respectively connected to the mounting plate (13) and the door frame plate (15). The end height of the door frame plate (15) is lower than that of the outer door folding plate (12). The second sealing member (4) is provided on the door frame plate (15) for abutting against the outer door plate (11).

8. The multi-stage sealed energy storage device according to claim 7, characterized in that, The door panel assembly (2) also includes: A filling layer (16) is disposed between the inner door panel (8) and the outer door panel (9).

9. The multi-stage sealed energy storage device according to claim 8, characterized in that, The multi-stage sealed energy storage device also includes: A hinge unit (17) is connected at one end to the housing (1) and at the other end to the door panel assembly (2).

10. The multi-stage sealed energy storage device according to claim 1, characterized in that, The first seal (3), the second seal (4) and the third seal (5) are all detachable.

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