Energy storage equipment and electric equipment

Abstract

The embodiment of the utility model relates to energy storage equipment and electric equipment, and the energy storage equipment comprises a first housing which is provided with a first cavity, and the first housing comprises a first abutting part located in the first cavity; the second shell is provided with a second cavity and a second abutting piece, and the second abutting piece is connected with the second shell; the sealing piece is located in the first cavity, and the sealing piece is connected between the first abutting piece and the second abutting piece; the first cavity and the second cavity are communicated to form a first space, and the first space is used for accommodating the battery cell assembly and / or the electrical assembly. The first abutting piece is arranged on the first shell, the second abutting piece is arranged on the second shell, and the sealing piece is connected between the first abutting piece and the second abutting piece, so that the first shell and the second shell are sealed by the sealing piece, and no matter whether the first shell or the second shell is a special-shaped space curved surface or not, the sealing piece can seal the first shell and the second shell. Sealing can be achieved through the first abutting piece, the sealing piece and the second sealing piece.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of energy storage technology. Background Art

[0002] Energy storage devices refer to various devices capable of storing electrical energy. They play a vital role in power systems, particularly in the integration of renewable energy sources into the grid, frequency regulation, peak shaving and valley shifting, and emergency backup. In some applications, energy storage devices include a housing and battery cell / electrical components, which are housed within the housing. Typically, the housing comprises a first housing and a second housing, with a seal required between the first and second housings to ensure a tight seal. Utility Model Content

[0003] In view of the above problems, embodiments of the present application provide an energy storage device and an electrical device, which overcome or at least partially solve the sealing problem between the first shell and the second shell.

[0004] According to one aspect of the embodiments of the present application, an energy storage device is provided, comprising a first shell, a first cavity being provided, the first shell comprising a first abutment located in the first cavity; a second shell, a second cavity being provided and a second abutment being connected to the second shell; a sealing member being connected between the first abutment and the second abutment; the first cavity and the second cavity being connected to form a first space, the first space being used to accommodate battery cell components and / or electrical components. By providing a first abutment in the first shell, a second abutment in the second shell, a sealing member being located in the first cavity, and the sealing member being connected between the first abutment and the second abutment, the sealing of the first shell and the second shell by the sealing member is achieved. Regardless of whether the first shell or the second shell is an irregular space structure, sealing can be achieved by the first abutment, the sealing member, the second sealing member, and the second sealing member.

[0005] In one or more of the above optional embodiments, the first shell includes a first wall and a first side portion, the first side portion is arranged around the first wall, and the first wall and the first side portion form a first cavity; the first abutment is connected to the first side portion. The first abutment is specifically arranged on the first side portion of the first shell, the first side portion surrounds the first wall to form a first cavity, the first abutment is located in the first cavity, and the first abutment is located on the first side portion. Compared with the case where the first abutment is located on the first wall, the technical solution provided in the embodiment of the present application can at least facilitate the sealing of the first shell and the second shell through the sealing member.

[0006] In one or more optional embodiments above, the first abutment includes a first bending portion and a first abutment portion; the first bending portion is formed by bending from the first side toward the first cavity, the first abutment portion is formed by bending from the first bending portion toward the first cavity, and the first abutment portion abuts against the sealing member. Through this arrangement, the first bending portion and the first abutment portion are both formed by bending, and the first abutment including the first bending portion and the first abutment portion is formed by bending the first side. Compared with other methods, such as the case where the first abutment is welded to the first side, the technical solution of the first abutment provided in the embodiment of the present application is at least easy to process, at least the first abutment itself, and the connection between it and the first side are seamless, the first shell provided in the embodiment of the present application at least has good sealing performance itself, and the first shell and the second shell have good sealing performance after being sealed by the sealing member.

[0007] In one or more of the above optional embodiments, the first bent portion is disposed in contact with the first side portion. The first bent portion is formed by bending the first side portion, and the first bent portion is in contact with the first side portion. The technical solution provided by the embodiment of the present application can at least ensure that the first bent portion is not easily deformed relative to the first side portion, and thus the first abutting portion is not easily deformed or displaced. The first abutting portion can provide good support for the seal, thereby reducing sealing failure of the seal between the first shell and the second shell.

[0008] In one or more of the above optional embodiments, the second shell includes a second wall and a second side portion, the second side portion is arranged around the second wall, and the second wall and the side portion form a second cavity; the second abutment is arranged on the second side portion. The second abutment is specifically arranged on the second side portion of the second shell, the second side portion surrounds the second wall to form a second cavity, the second abutment is located in the second cavity, and the second abutment is located on the second side portion. Compared with the case where the second abutment is located on the second wall, the technical solution provided in the embodiment of the present application can at least facilitate the sealing of the first shell and the second shell by the sealing member.

[0009] In one or more optional embodiments above, the second abutment includes a second bend, a third bend and a second abutment, and the third bend and the second abutment are located in the first cavity; the second bend extends from the second side portion, the second bend and the second abutment are spaced apart and form a gap, and the third bend connects the second bend and the second abutment. The second abutment abuts against the sealing member. Through this arrangement, the second bend, the third bend and the second abutment are all formed by bending, and the second abutment including the second bend, the third bend and the second abutment is formed by bending the second side portion. Compared with other methods, such as the case where the second abutment is welded to the second side portion, the technical solution of the second abutment provided in the embodiment of the present application is at least easy to process, and at least the second abutment itself and the seamless connection between it and the second side portion are seamless. The second shell provided in the embodiment of the present application has good sealing performance at least in itself, is waterproof and anti-fouling, and the sealing performance of the first shell and the second shell after being sealed by the sealing member is good.

[0010] In one or more of the above optional embodiments, the first abutting portion and the second abutting portion are arranged in parallel. The sealing member is arranged between the first and second abutting portions, which at least facilitates the arrangement of the sealing member between the first and second abutting portions and at least enhances the sealing of the sealing member against the first and second abutting portions and the sealing of the sealing member against the first and second shells.

[0011] In one or more of the above optional embodiments, the second abutting portion is arranged parallel to the second bent portion. This arrangement facilitates processing, at least when the second abutting portion and the second bent portion are formed by machining the second side portion. Furthermore, the first abutting portion and the second abutting portion are arranged parallel to each other, and the second abutting portion and the second bent portion are arranged parallel to each other. This facilitates at least the placement of the seal between the first abutting portion and the second abutting portion, and facilitates the sealing of the seal between the first abutting portion and the second abutting portion, further enhancing the seal between the first shell and the second shell.

[0012] In one or more optional embodiments above, the first shell includes a first wall arranged opposite to the second cavity, the first wall includes an inclined portion, and the first abutment is located on a side of the inclined portion close to the second cavity. The first wall may include an inclined portion, the first side portion extends from the inclined portion, the first abutment is located on a side of the inclined portion close to the second cavity, a sealing member is provided between the first abutment and the second abutment through the first abutment provided close to the inclined portion, and a seal is achieved between the inclined portion close to the first shell and the second shell through the sealing member, and sealing is achieved for a special-shaped spatial structure with an inclined portion. The technical solution provided by the embodiment of the present application has at least a wide range of applications, is applicable to specific special-shaped spatial structures, and is more applicable to conventional regular spatial structures.

[0013] According to another aspect of the embodiments of the present application, an electrical device is provided, comprising the above-mentioned energy storage device.

[0014] The beneficial effects of the embodiments of the present application include: providing an energy storage device, comprising a first shell, a first cavity, the first shell including a first abutment located in the first cavity; a second shell, a second cavity and a second abutment, the second abutment being connected to the second shell; a sealing member connected between the first abutment and the second abutment; the first cavity and the second cavity are connected to form a first space, the first space being used to accommodate battery cell components and / or electrical components. By providing a first abutment in the first shell, a second abutment in the second shell, and a sealing member connected between the first abutment and the second abutment, the sealing of the first shell and the second shell by the sealing member is achieved. Regardless of whether the first shell or the second shell is an irregular spatial curved surface, sealing can be achieved through the first abutment, the sealing member, the sealing member, and the second sealing member. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplifications do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0016] Figure 1 is a schematic diagram of an energy storage device provided in an embodiment of the present application;

[0017] Figure 2 The embodiment of this application provides Figure 1 Schematic diagram of AA in the middle;

[0018] Figure 3 is a schematic diagram of a sealing member provided in an embodiment of the present application being connected to a first housing;

[0019] Figure 4 This embodiment of the present application provides Figure 2 A magnified schematic diagram of part B in the middle;

[0020] Figure 5 The embodiment of this application provides Figure 3 Schematic diagram of CC. DETAILED DESCRIPTION

[0021] In order to facilitate understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right", "inside", "outside" and similar expressions used in this specification are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art to which this application belongs. The terms used in this specification are for the purpose of describing specific embodiments only and are not intended to limit this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the relevant listed items.

[0023] See also Figure 1 and Figure 2 An embodiment of the present application provides an energy storage device 10, comprising a first housing 1, a second housing 2, and a seal 3, wherein the seal 3 is connected between the first housing 1 and the second housing 2. The seal 3 provides a seal between the first housing 1 and the second housing 2. Optionally, the seal 3 comprises a sealing ring. Optionally, the seal 3 comprises glue.

[0024] See also Figure 3 The first housing 1 is provided with a first cavity 1s, and the first housing 1 includes a first abutting member 101 located in the first cavity 1s. The sealing member 3 is located in the first cavity 1s, and the first abutting member 101 is connected to the sealing member 3.

[0025] See also Figure 4 The second shell 2 is provided with a second cavity 2s and a second abutment member 201 . The second abutment member 201 is connected to the sealing member 3 to achieve sealing between the first shell 1 and the second shell 2 .

[0026] See also Figure 2 The first cavity 1s of the first shell 1 and the second cavity 2s of the second shell 2 are connected to form a first space 12s. The first space 12s can be used to accommodate the battery core assembly and / or the electrical assembly 4.

[0027] See also Figure 4 The sealing member 3 is connected between the first abutting member 101 and the second abutting member 201. The sealing member 3 is connected to the first abutting member 101, and the sealing member 3 is connected to the second abutting member 201 to achieve sealing between the first abutting member 101 and the second abutting member 201.

[0028] See also Figure 4 In some embodiments, the first shell 1 includes a first wall 11 and a first side portion 12, and the first wall 11 and the second cavity 2s are arranged opposite to each other. The first side portion 12 is arranged around the first wall 11, and the first wall 11 and the first side portion 12 form a first cavity 1s. The first abutment 101 is connected to the first side portion 12. The first side portion 12 and the first wall 11 form the first cavity 1s, and the first abutment 101 is closer to the second shell 2 than the first wall 11. The technical solution provided in the embodiment of the present application can at least facilitate the sealing of the first shell 1 and the second shell 2 by using the sealing member 3 arranged at the first abutment 101 closer to the second shell 2.

[0029] See also Figure 4 In some embodiments, the first abutting member 101 includes a first bent portion 1011 and a first abutting portion 1012; the first bent portion 1011 is formed by bending from the first side portion 12 toward the first cavity 1s, and the first abutting portion 1012 is formed by bending from the first bent portion 1011, and the first abutting portion 1012 abuts against the sealing member 3. Through this arrangement, the first bent portion 1011 and the first abutting portion 1012 are both formed by bending. The technical solution of the first abutting member 101 provided in the embodiment of the present application is easy to process, and the first abutting member 101 itself, as well as the first abutting member 101 and the first side portion 12 are seamlessly connected. The first shell 1 provided in the embodiment of the present application has good sealing performance at least in itself, and the sealing performance of the first shell 1 and the second shell 2 after being sealed by the sealing member 3 is good.

[0030] In some embodiments, see Figure 4 The first bent portion 1011 is arranged in contact with the first side portion 12. The first bent portion 1011 is formed by bending the first side portion 12. The first bent portion 1011 is in contact with the first side portion 12. Therefore, the technical solution provided by the embodiment of the present application can at least ensure that the first bent portion 1011 is not easily deformed relative to the first side portion 12, and thus the first abutting portion 1012 is not easily deformed and displaced. The first abutting portion 1012 can provide good support for the seal 3, thereby reducing the sealing failure of the seal 3 on the first shell 1 and the second shell 2.

[0031] See also Figure 2 and Figure 4 In some embodiments, the second housing 2 includes a second wall 21 and a second side portion 22. The second wall 21 is the wall of the second housing 2 disposed opposite the first cavity 1s of the first housing 1. The second side portion 22 surrounds the second wall 21, and the second wall 21 and the second side portion 22 form a second cavity 2s. The technical solution provided in the embodiments of the present application can at least facilitate sealing between the first housing 1 and the second housing 2 via the sealing member 3 disposed at the second abutting member 201 relatively close to the first housing 1.

[0032] See also Figure 4 In some embodiments, the second abutting member 201 includes a second bent portion 2011, a third bent portion 2012, and a second abutting portion 2013. The third bent portion 2012 and the second abutting portion 2013 are located in the first cavity 1s. The second bent portion 2011 extends from the second side portion 22. The second bent portion 2011 and the second abutting portion 2013 are spaced apart and form a gap. The third bent portion 2012 connects the second bent portion 2011 and the second abutting portion 2013. The second abutting portion 2013 abuts against the sealing member 3.

[0033] The second bending portion 2011, the third bending portion 2012 and the second abutting portion 2013 are all formed by bending, and the second abutting member 201 of the second bending portion 2011, the third bending portion 2012 and the second abutting portion 2013 is formed by bending the second side portion 22. The technical solution of the second abutting member 201 provided in the embodiment of the present application is easy to process, and the second abutting member 201 itself, as well as the second abutting member 201 and the second side portion 22 are seamlessly connected. The second shell 2 provided in the embodiment of the present application has at least good sealing performance itself and is waterproof and anti-fouling. The first shell 1 and the second shell 2 have good sealing performance after being sealed by the sealing member 3.

[0034] The third bent portion 2012 is formed by bending and extending the second bent portion 2011 in a direction away from the second wall 21. The third bent portion 2012 and the second abutting portion 2013 connected to the third bent portion 2012 are located away from the second housing 2 and closer to the first housing 1. When the first and second housings 1 and 2 are fastened together, the third bent portion 2012 and the second abutting portion 2013 can extend into the first cavity 1s of the first housing 1 and connect to the first abutting member 101 of the first housing 1 via the sealing member 3, thereby strengthening the seal between the first and second housings 1 and 2.

[0035] See also Figure 4 In some embodiments, the first abutting portion 1012 and the second abutting portion 2013 are arranged in parallel. The sealing member 3 is connected between the first abutting portion 1012 and the second abutting portion 2013, which facilitates the arrangement of the sealing member 3 between the first abutting portion 1012 and the second abutting portion 2013, enhances the sealing of the sealing member 3 on the first abutting member 101 and the second abutting member 201, and enhances the sealing of the sealing member 3 on the first shell 1 and the second shell 2.

[0036] See also Figure 4In some embodiments, the second abutting portion 2013 is arranged parallel to the second bent portion 2011. This arrangement facilitates processing when the second abutting portion 2013 and the second bent portion 2011 are formed on the second side portion 22. Furthermore, the second bent portion 2011, the second abutting portion 2013, and the first abutting portion 1012 can be arranged in parallel, which at least facilitates the placement of the sealing member 3 between the first abutting portion 1012 and the second abutting portion 2013, facilitating the sealing of the sealing member 3 between the first abutting member 101 and the second abutting member 201, thereby further enhancing the sealing of the sealing member 3 against the first shell 1 and the second shell 2.

[0037] See also Figure 4 and Figure 5 In some embodiments, the first shell 1 includes a first wall 11 disposed opposite to the second cavity 2s, the first wall 11 including an inclined portion 111, the first side portion 12 extending from the inclined portion 111, and the first abutment 101 located on a side of the inclined portion 111 close to the second cavity 2s. The first wall 11 includes the inclined portion 111, the first abutment 101 located on a side of the inclined portion 111 close to the second cavity 2s, the sealing member 3 is connected between the first abutment 101 and the second abutment 201 via the first abutment 101 disposed close to the inclined portion 111, and the sealing member 3 achieves sealing between the inclined portion 111 close to the first shell 1 and the second shell 2, and can achieve sealing for irregular spatial structures having the inclined portion 111. The technical solution provided in the embodiments of the present application has at least a wide range of applications and is applicable to specific irregular spatial structures, and is even more applicable to conventional regular spatial structures.

[0038] The inclined portion 111 may also have a curved structure, so that the technical solution provided in the embodiment of the present application is applicable to a specific irregular spatial curved structure.

[0039] Among them, the first wall 11 may also simply include a conventional regular spatial structure. The first abutment 101 and the sealing member 3 of the first shell 1 set in the embodiment of the present application can also achieve the sealing of the first shell 1 and the second shell 2 with a conventional regular spatial structure. The technical solution requested to be protected by the embodiment of the present application has strong universality.

[0040] The present application also provides an example of an electrical device, which includes a load and the aforementioned energy storage device 10. The specific structure and function of the energy storage device 10 can be found in the aforementioned embodiments and will not be described in detail here. The energy storage device 10 is connected to the load and is used to supply power to the load.

[0041] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of this application. However, the present application can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments are not intended to be additional limitations on the content of this application. The purpose of providing these embodiments is to make the understanding of the disclosure of this application more thorough and comprehensive. In addition, the above-mentioned technical features can be combined with each other to form various embodiments not listed above, which are all considered to be within the scope of the description of this application; further, it is obvious to those skilled in the art that improvements or changes can be made based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to this application.

Claims

1. An energy storage device, characterized in that: include: A first housing is provided with a first cavity, wherein the first housing includes a first abutment member located in the first cavity; A second shell is provided with a second cavity and a second abutment member, wherein the second abutment member is connected to the second shell; a sealing member located in the first cavity, the sealing member being connected between the first abutting member and the second abutting member; The first cavity and the second cavity are connected to form a first space, and the first space is used to accommodate battery core components and / or electrical components.

2. The energy storage device according to claim 1, characterized in that The first housing includes a first wall and a first side portion, the first side portion is disposed around the first wall, and the first wall and the first side portion form the first cavity; The first abutment member is connected to the first side portion.

3. The energy storage device according to claim 2, characterized in that The first abutment member includes a first bending portion and a first abutment portion; The first bending portion is formed by bending from the first side portion toward the first cavity, the first abutting portion is formed by bending from the first bending portion, and the first abutting portion abuts against the sealing component.

4. The energy storage device according to claim 3, characterized in that The first bending portion is arranged in contact with the first side portion.

5. The energy storage device according to claim 3, characterized in that: The second housing includes a second wall and a second side portion, the second side portion is disposed around the second wall, and the second wall and the second side portion form the second cavity; The second abutment member is disposed on the second side portion.

6. The energy storage device according to claim 5, characterized in that The second abutting member includes a second bending portion, a third bending portion and a second abutting portion, and the third bending portion and the second abutting portion are located in the first cavity; The second bending portion extends from the second side portion, the second bending portion and the second abutting portion are spaced apart to form a gap, and the third bending portion connects the second bending portion and the second abutting portion; The second abutting portion abuts against the sealing member.

7. The energy storage device according to claim 6, characterized in that The first abutting portion and the second abutting portion are arranged in parallel.

8. The energy storage device according to claim 6, characterized in that: The second abutting portion is arranged parallel to the second bending portion.

9. The energy storage device according to any one of claims 2 to 8, characterized in that: The first shell includes a first wall arranged opposite to the second cavity, the first wall includes an inclined portion, the first side portion extends from the inclined portion, and the first abutment is located on a side of the inclined portion close to the second cavity.

10. An electrical device, characterized in that: The energy storage device comprises the energy storage device according to any one of claims 1 to 9.

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