Energy storage equipment

Abstract

The utility model relates to the technical field of energy storage, in particular to energy storage equipment. The energy storage equipment comprises an energy storage main body, a connecting piece and a cover body; the connecting piece is arranged on the energy storage main body and comprises a clamping column; the cover body is provided with a clamping piece, the clamping piece is provided with a clamping groove, and the clamping groove is connected with the clamping column in a clamping mode. In this way, the cover body is connected to the energy storage main body in a clamped mode, disassembly and assembly of the cover body are facilitated, and the disassembly and assembly efficiency of the cover body is improved.

Description

Technical Field

[0001] This application relates to the technical field of energy storage, and particularly to an energy storage device. Background Art

[0002] Household energy storage devices are mainly applied to large-scale renewable energy off-grid power generation energy storage in the low-voltage range, peak shaving and valley filling on the user side, residential photovoltaic energy storage, emergency backup for small and medium-sized industries and commerce, and power generation and power sales systems on the grid side.

[0003] The energy storage device includes an energy storage main body and a cover body. The cover body is installed on the left and right sides of the energy storage main body, which can block the exposed wall-mounted parts and improve the problem of user scratching. And the cover body can also block the interfaces and exposed cables on the left and right sides of the energy storage main body, reducing the damage of the interfaces and cables. The cover body can also block external sunlight, rainwater, etc., and extend the service life of the energy storage main body.

[0004] The cover body is usually connected to the energy storage main body by multiple screws, making the disassembly and assembly of the cover body inconvenient, reducing the disassembly and assembly efficiency, and increasing the maintenance cost. Summary of the Utility Model

[0005] The embodiments of this application aim to provide an energy storage device to at least improve the problem of low disassembly and assembly efficiency of the cover body.

[0006] The embodiments of this application solve the above technical problems by adopting the following technical solutions:

[0007] In a first aspect, the embodiments of this application provide an energy storage device, which includes an energy storage main body, a connecting member and a cover body; the connecting member is arranged on the energy storage main body, and the connecting member includes a clamping post; the cover body is provided with a clamping member, and the clamping member is provided with a clamping groove, and the clamping groove is clamped and connected with the clamping post.

[0008] In some embodiments, the energy storage main body includes a first surface, and the connecting member is arranged on the first surface; the number of the connecting members and the clamping members is multiple, and the multiple connecting members are arranged at intervals along the first surface, and one connecting member is clamped and connected with one clamping member.

[0009] In some embodiments, the connecting member includes a stop wall, and the two stop walls are respectively arranged at both ends of the clamping post; when the connecting member is clamped and connected with the clamping member, a part of the clamping member is located between the two stop walls.

[0010] In some embodiments, the stop wall is cylindrical, and the outer diameters of the two stop walls are different.

[0011] In some embodiments, the energy storage main body is provided with a connecting hole; the connecting member includes a connecting post, and the connecting post is connected with the clamping post and the connecting hole.

[0012] In some embodiments, the clamping member is provided with a first guide surface, and the first guide surface is connected to the inner wall of the clamping slot; along the direction in which the clamping slot is opened, the first guide surface is arranged in a form of gradually approaching the center plane of the clamping slot.

[0013] In some embodiments, the clamping member includes a first clamping member, the first clamping member is provided with a clearance hole, the clearance hole is connected to the top of the clamping slot, and the clearance hole is used for the clamping column to move to the clamping slot through the clearance hole.

[0014] In some embodiments, a second guide surface is provided on the side of the first clamping member facing the energy storage body, and the second guide surface connects the clamping groove and the inner wall of the clearance hole; along the opening direction of the clamping groove, the second guide surface is arranged in a form of gradually approaching the energy storage body.

[0015] In some embodiments, a plurality of the first clamping members are arranged in a straight line at intervals.

[0016] In some embodiments, the clamping member includes a second clamping member; a third guide surface is provided on one side of the second clamping member facing the energy storage body, the third guide surface is connected to the inner wall of the clamping groove, and along the opening direction of the clamping groove, the third guide surface is provided in a form of gradually approaching the energy storage body.

[0017] In some embodiments, the clamping member includes a second clamping member; a fourth guide surface is arranged on the side of the second clamping member facing away from the energy storage body, the fourth guide surface is connected to the inner wall of the clamping groove, and along the opening direction of the clamping groove, the fourth guide surface is arranged in a form of gradually moving away from the energy storage body.

[0018] The energy storage device of the embodiment of the present application is provided with a connecting piece on the energy storage body, and a clamping piece is provided on the cover body. The clamping groove of the clamping piece is clamped and connected with the clamping column of the connecting piece, so that the cover body is clamped and connected to the energy storage body, which is convenient for disassembly and assembly of the cover body and improves the disassembly and assembly efficiency of the cover body.

[0019] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] One or more embodiments are exemplarily illustrated by corresponding drawings. These exemplary illustrations 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 a scale limitation.

[0021] Figure 1 is a schematic structural view of the energy storage device according to an embodiment of the present application;

[0022] Figure 2 is an exploded view of the energy storage device according to an embodiment of the present application;

[0023] Figure 3 is Figure 2 a schematic structural view of the cover body in

[0024] Figure 4 is Figure 3 a three-dimensional cross-sectional view at A-A in

[0025] Figure 5 is Figure 2 a schematic structural view of the connecting member in

[0026] The reference numerals in the specific embodiments are as follows:

[0027] 100, energy storage device;

[0028] 1, energy storage main body; 11, energy storage part; 111, first surface; 112, connection hole; 113, holding member; 12, control part; 121, heat dissipation fin; 122, interface;

[0029] 2, connecting member; 21, connecting column; 22, clamping column; 23, stop wall;

[0030] 3, cover body; 31, clamping member; 311, clamping groove; 312, first guiding surface; 313, first clamping member; 3131, relief hole; 3132, second guiding surface; 314, second clamping member; 3141, third guiding surface; 3142, fourth guiding surface. Specific Embodiments

[0031] For ease of understanding the present application, the following provides a more detailed description of the present application in conjunction with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application. It should be noted that when an element is expressed as "fixed to" another element, it can be directly on the other element, or there can be one or more intermediate elements therebetween. When an element is expressed as "connected to" another element, it can be directly connected to the other element, or there can be one or more intermediate elements therebetween.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion.

[0033] In the description of the embodiments of this application, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of this application.

[0034] In the description of the embodiments of this application, the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without otherwise stating, the above words have no special meaning, and therefore should not be construed as a limitation on the protection scope of this application. In the description of the embodiments of this application, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0035] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not used to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0036] In addition, the technical features involved in different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0037] In a first aspect, an energy storage device 100 is provided in an embodiment of this application. As Figure 1 and Figure 2 shown, the energy storage device 100 includes an energy storage main body 1, a connecting member 2, and a cover 3. The energy storage main body 1 is used for storing electric energy; the cover 3 is used for covering the energy storage main body 1 to protect the energy storage main body 1. Among them, the connecting member 2 is disposed on the energy storage main body 1, and the cover 3 is snap-connected to the connecting member 2, so that the cover 3 is snap-connected to the energy storage main body 1, which is beneficial to the disassembly and assembly of the cover 3 and improves the disassembly and assembly efficiency of the cover 3.

[0038] For the above-mentioned energy storage main body 1, asFigure 1 and Figure 2 As shown in Figure 2 , the energy storage main body 1 can be generally cuboid-shaped. The energy storage main body 1 can include a primary battery or a secondary battery. For example, it can include one or more of a lithium-ion battery, a lithium-ion polymer battery, a lithium iron phosphate battery, a lead-acid battery, and a nickel-cadmium battery. It can be understood that the energy storage main body 1 in the embodiments of the present application may not be an electrical device either. For example, it can be a communication device, a medical device, an office device, a film and television device, a fire-fighting device, etc., as long as the cover body 3 can be connected thereto through the connecting member 2.

[0039] In some embodiments, as Figure 2 shown in Figure 2 , the energy storage main body 1 includes an energy storage part 11 and a control part 12. The control part 12 is connected to one end of the energy storage main body 1, for example, connected to the top end of the energy storage main body 1. The energy storage part 11 is used for storing electrical energy. The control part 12 is electrically connected to the energy storage part 11. The control part 12 is used for controlling the charge and discharge of the energy storage part 11, and for performing real-time monitoring of the voltage, current, and temperature of the energy storage part 11.

[0040] Optionally, the outer shell of the energy storage part 11 is made of a metal material, such as stainless steel, copper, or aluminum, etc., to enhance the heat dissipation effect of the energy storage part 11. Similarly, the outer shell of the control part 12 can also be made of a metal material, such as stainless steel, copper, or aluminum, etc., to enhance the heat dissipation effect of the control part 12. In some embodiments, as Figure 2 shown in Figure 2 , heat dissipation fins 121 are provided on the outer surface of the control part 12 to increase the heat dissipation area and enhance the heat dissipation effect.

[0041] In some embodiments, as Figure 2 shown in Figure 2 , along the width direction of the energy storage part 11, the control part 12 extends beyond the energy storage part 11. An interface 122 is provided on a part of the control part 12 that extends beyond the energy storage part 11. The interface 122 is used for connecting external cables, such as power lines or communication lines. Among them, if the interface 122 is located on the bottom surface of the control part 12, the problem of liquid pouring into the interface 122 can be improved, and the service life of the energy storage main body 1 can be extended.

[0042] In some embodiments, as Figure 2As shown, along the width direction of the energy storage part 11, two first surfaces 111 are included on the opposite sides of the energy storage part 11, and the first surfaces 111 are used to connect with the connecting member 2. Exemplarily, the energy storage main body 1 is provided with connecting holes 112, and the connecting holes 112 are located on the first surfaces 111; the connecting member 2 includes connecting columns 21, and the connecting columns 21 are connected with the connecting holes 112 to arrange the connecting member 2 on the first surfaces 111. Wherein, when the cover 3 is snap-connected to the connecting member 2, the cover 3 covers the first surfaces 111 to protect the first surfaces 111. For example, it can protect the cables or electrical components arranged on the first surfaces 111; it can shield the first surfaces 111 from sunlight, which is beneficial to the heat dissipation of the first surfaces 111; it can prevent rainwater or other liquids from falling onto the first surfaces 111, and improve the problem of liquid ingress damage to the energy storage main body 1. Optionally, the connecting holes 112 are threaded holes, and the connecting columns 21 are threaded columns, that is, the connecting member 2 is threadedly connected to the connecting holes 112, which is convenient for the disassembly and assembly of the connecting member 2. Optionally, the first surfaces 111 are rectangular planes. Optionally, the connecting member 2 is made of a metal material, such as stainless steel, copper or aluminum alloy, etc., to enhance the connection strength between the connecting member 2 and the energy storage main body 1.

[0043] Wherein, when the cover 3 covers the first surfaces 111, the interface 122 is located between the cover 3 and the first surfaces 111, that is, the cover 3 covers the interface 122, which improves the problem that the interface 122 is easily damaged when exposed, and makes the appearance of the energy storage device 100 more flat and unified, increasing the aesthetic degree.

[0044] Wherein, when the cover 3 covers the first surfaces 111, along the width direction of the energy storage part 11, the control part 12 is flush with the cover 3, that is, the energy storage part 11, the control part 12 and the cover 3 are assembled into a cuboid-shaped energy storage device, making the appearance of the energy storage device 100 more flat and unified, increasing the aesthetic degree.

[0045] In some embodiments, the energy storage main body 1 is connected to the wall through a wall hanging member (not shown), and the wall hanging member extends beyond the energy storage main body 1 along the width direction of the energy storage main body 1. In this embodiment, the cover 3 is arranged on the opposite sides of the energy storage main body 1 along the width direction, which can block the wall hanging member, improve the problem that the wall hanging member is exposed and causes user injury, and make the appearance of the energy storage device 100 more flat and unified, increasing the aesthetic degree.

[0046] In some embodiments, as Figure 2 shown, the number of the connecting members 2 is multiple, and the multiple connecting members 2 are arranged at intervals along the first surfaces 111. For example, the multiple connecting members 2 are divided into multiple columns, and in each column of the connecting members 2, the connecting members 2 are arranged at intervals in the up and down direction; the columns of the connecting members 2 are arranged at intervals in the horizontal direction. Wherein, one connecting member 2 is snap-connected to one place of one cover, then the cover 3 and the energy storage main body 1 are connected at multiple points both in the horizontal direction and the vertical direction, which is beneficial to enhancing the connection strength between the cover 3 and the energy storage main body 1.

[0047] In some embodiments, as Figure 2 shown, the energy storage part 11 includes a holding member 113, and the holding member 113 can be arranged on the energy storage main body 1 to facilitate the handling of the energy storage main body 1. Among them, the holding member 113 can be arranged on the first surface 111. When the cover body 3 is covered on the first surface 111, the holding member 113 is located between the cover body 3 and the first surface 111, that is, the cover body 3 covers the holding member 113, reducing the problem of the exposure and corrosion of the holding member 113, and making the appearance of the energy storage device 100 more flat and unified, increasing the aesthetic degree.

[0048] For the above-mentioned connecting member 2, as Figures 3 to 5 shown, the connecting member 2 includes a clamping post 22, and the clamping post 22 is clamped and connected to the cover body 3. Exemplarily, the cover body 3 is provided with a clamping member 31, the clamping member 31 is provided with a clamping groove 311, and the clamping groove 311 is clamped and connected to the clamping post 22. The clamping post 22 can be cylindrical, the cross-section of the clamping groove 311 can be rectangular. When the clamping post 22 is located in the clamping groove 311, the clamping post 22 presses the inner walls on the opposite sides of the clamping groove 311. Under the action of friction, the clamping groove 311 prevents the clamping post 22 from leaving the clamping groove 311, so as to clamp and connect the clamping post 22 to the clamping groove 311. Among them, the clamping post 22 is connected to the connecting post 21 to connect the cover body 3 to the energy storage main body 1.

[0049] Optionally, the clamping post 22 and the connecting post 21 are coaxially arranged, that is, one end of the clamping post 22 is connected to one end of the connecting post 21.

[0050] Optionally, the outer diameter of the clamping post 22 is 0.1 mm larger than the width of the clamping groove 311, so that there is friction between the clamping post 22 and the clamping groove 311, and the clamping groove 311 is not damaged by the extrusion of the clamping post 22.

[0051] In some embodiments, as Figure 4 and Figure 5 shown, the connecting member 2 includes a stop wall 23, and the two stop walls 23 are respectively arranged at both ends of the clamping post 22; when the connecting member 2 is clamped and connected to the clamping member 31, part of the clamping member 31 is located between the two stop walls 23. It can prevent the clamping member 31 from sliding axially along the clamping post 22 relative to the clamping post 22, improve the problem that the clamping member 31 slides axially along the clamping post 22 and disengages from the connecting member 2, and increase the connection reliability between the clamping member 31 and the connecting member 2. Among them, the connecting post 21 is connected to one of the stop walls 23.

[0052] It can be understood that in this embodiment, along the axial direction of the clamping post 22, both ends of the clamping groove 311 penetrate through the clamping member 31.

[0053] Further, in some embodiments, the thickness of the snap member 31 along the axial direction of the snap post 22 is greater than the distance between the two stop walls 23. Then, the stop walls 23 and the snap member 31 are pressed against each other. Under the action of frictional force, the stop walls 23 prevent the snap post 22 from leaving the snap groove 311, so as to enhance the connection strength between the snap member 31 and the connecting member 2. Optionally, the thickness of the snap member 31 along the axial direction of the snap post 22 is 0.1 mm greater than the distance between the two stop walls 23, so that there is frictional force between the snap member 31 and the stop walls 23, and the snap member 31 can easily slide into the space between the two stop walls 23.

[0054] In some embodiments, as Figure 4 and Figure 5 shown, the stop walls 23 are cylindrical, and the outer diameters of the two stop walls 23 are different. When installing the cover 3, the snap member 31 can be first abutted against the stop wall 23 with a larger outer diameter, and then gradually slide into the space between the two stop walls 23, so as to guide the snap member 31 into the space between the two stop walls 23, which is beneficial to reducing the installation difficulty of the cover 3 and improving the installation efficiency. Optionally, among the two stop walls 23, the connecting post 21 is connected to the stop wall 23 with a smaller outer diameter.

[0055] For the above-mentioned cover 3, as Figure 3 shown, the cover 3 is generally in the shape of a cuboid shell. The cover 3 can be made of a metal material, such as stainless steel, copper or aluminum alloy, etc., to enhance the strength of the cover 3 itself. The cover 3 can also be made of a plastic material to enhance the insulation and corrosion resistance of the cover 3 itself, and can reduce the cost compared with the metal material. Optionally, the opening directions of the snap grooves 311 of the multiple snap members 31 of the cover 3 are the same. Then, by moving the cover 3 in the direction opposite to the opening direction of the snap grooves 311, the multiple snap members 31 can be respectively snap-connected to the multiple connecting members 2. Among them, the opening direction of the snap groove 311, that is, the depth direction of the snap groove 311, is the direction pointing from the top of the snap groove 311 to the bottom of the snap groove 311. Among them, the cover 3 is provided with multiple snap members 31, and one connecting member 2 is snap-connected to one snap member 31.

[0056] In some embodiments, as Figure 4As shown, the clamping member 31 is provided with a first guiding surface 312, and the first guiding surface 312 is connected to the inner wall of the clamping groove 311; along the opening direction of the clamping groove 311, the first guiding surface 312 is arranged in a form that gradually approaches the central plane of the clamping groove 311. The central plane of the clamping groove 311 is the plane formed by the locus of points equidistant from the two inner walls of the clamping groove 311; if the clamping groove 311 is mirror-symmetrical along the width direction, the mirror plane of the clamping groove 311 coincides with the central plane. It can be understood that when the clamping post 22 slides along an inner wall of the clamping groove 311, the central axis of the clamping post 22 moves along the central plane of the clamping groove 311. In this embodiment, when the clamping post 22 contacts the first guiding surface 312 and slides towards the clamping groove 311 along the first guiding surface 312, the central axis of the clamping post 22 gradually approaches the central plane of the clamping groove 311. Therefore, the first guiding surface 312 can guide the clamping post 22 into the clamping groove 311, reducing the installation difficulty of the cover body 3 and improving the installation efficiency.

[0057] Optionally, as Figure 4 shown, the number of the first guiding surfaces 312 is two, and the two first guiding surfaces 312 are respectively located on opposite sides of the clamping groove 311. Optionally, the first guiding surface 312 is a curved surface, such as an arc surface.

[0058] In some embodiments, as Figure 3 and Figure 4 shown, the clamping member 31 includes a first clamping member 313. The first clamping member 313 is provided with a relief hole 3131, and the relief hole 3131 communicates with the top of the clamping groove 311. The relief hole 3131 is used for the clamping post 22 to move to the clamping groove 311 when it moves in the relief hole 3131. That is, the relief hole 3131 is located on the side opposite to the opening direction of the clamping groove 311. One of the two stop walls 23 that is far from the connecting post 21 can pass through the relief hole 3131, so that the clamping post 22 can move into the relief hole 3131 and move from the relief hole 3131 to the clamping groove 311. By providing the relief hole 3131, the connecting member 2 can be first limited in the relief hole 3131, and then the connecting member 2 can be clamped and connected to the clamping member 31 by moving the cover body 3, greatly reducing the installation difficulty of the cover body 3 and improving the installation efficiency.

[0059] Optionally, a plurality of first clamping members 313 are arranged at intervals along a straight line. For example, as Figure 3 shown, a plurality of first clamping members 313 are located on the left side of the cover body 3 and are arranged vertically. Then, when installing the cover body 3, the relief holes 3131 of the plurality of first clamping members 313 on the left side of the cover body 3 can be sleeved on the plurality of connecting members 2 first, and then the right side of the cover body 3 can be aligned with the clamping posts 22 of other connecting members 2, further reducing the installation difficulty of the cover body 3 and improving the installation efficiency.

[0060] In some embodiments, asFigure 4 As shown in the figure, on the side of the first clamping member 313 facing the energy storage main body 1, a second guiding surface 3132 is provided. The second guiding surface 3132 connects the inner walls of the clamping groove 311 and the relief hole 3131. Along the opening direction of the clamping groove 311, the second guiding surface 3132 is arranged in a form that gradually approaches the energy storage main body 1. When the connecting member 2 contacts the second guiding surface 3132 between the relief hole 3131 and the clamping groove 311, since this part of the second guiding surface 3132 is inclined towards the relief hole 3131, it is easy to guide the connecting member 2 to the relief hole 3131, reducing the difficulty of the connecting member 2 penetrating into the relief hole 3131. Optionally, the second guiding surface 3132 is a flat surface.

[0061] In addition, in this embodiment, at the edge parts of the relief hole 3131 and the clamping groove 311, along the opening direction of the clamping groove 311, the thickness gradually increases, that is, it has a wedge-shaped structure, which is beneficial for this wedge-shaped part to be inserted between the two stop walls 23. And as the connecting member 2 gradually moves towards the bottom of the clamping groove 311, the thickness of this wedge-shaped part gradually increases, so that this wedge-shaped part can be clamped between the two stop walls 23. Under the action of friction, the stop walls 23 prevent the clamping post 22 from leaving the clamping groove 311, so as to enhance the connection strength between the clamping member 31 and the connecting member 2.

[0062] It can be understood that in this embodiment, the contour of the second guiding surface 3132 is larger than the contour of the connecting member 2, that is, when observing along the axial direction of the clamping post 22, the projection of the clamping member 31 coincides with the projections of the second guiding surface 3132, the relief hole 3131 and the clamping groove 311.

[0063] In some embodiments, as Figure 4 shown, the clamping member 31 includes a second clamping member 314. On the side of the second clamping member 314 facing the energy storage main body 1, a third guiding surface 3141 is provided. The third guiding surface 3141 connects the inner wall of the clamping groove 311. Along the opening direction of the clamping groove 311, the third guiding surface 3141 is arranged in a form that gradually approaches the energy storage main body 1. In this embodiment, at the edge part of the clamping groove 311 along the opening direction of the clamping groove 311, the thickness gradually increases, that is, it has a wedge-shaped structure, which is beneficial for this wedge-shaped part to be inserted between the two stop walls 23. And as the connecting member 2 gradually moves towards the bottom of the clamping groove 311, the thickness of this wedge-shaped part gradually increases, so that this wedge-shaped part can be clamped between the two stop walls 23. Under the action of friction, the stop walls 23 prevent the clamping post 22 from leaving the clamping groove 311, so as to enhance the connection strength between the clamping member 31 and the connecting member 2.

[0064] Similarly, as Figure 4As shown, on the side of the second engaging member 314 facing away from the energy storage main body 1, a fourth guiding surface 3142 is provided. The fourth guiding surface 3142 is connected to the inner wall of the engaging groove 311 and is arranged in a form of gradually moving away from the energy storage main body 1 along the opening direction of the engaging groove 311. The fourth guiding surface 3142 has the same technical effect as the third guiding surface 3141, which will not be elaborated here. Wherein, along the axis of the engaging member 31, the third guiding surface 3141 and the fourth guiding surface 3142 can be arranged in mirror symmetry.

[0065] In the energy storage device 100 according to the embodiment of the present application, a connecting member 2 is provided on the energy storage main body 1, and an engaging member 31 is provided on the cover body 3. The engaging groove 311 of the engaging member 31 is engaged with the engaging post 22 of the connecting member 2, so as to engage the cover body 3 with the energy storage main body 1, which is beneficial to the disassembly and assembly of the cover body 3 and improves the disassembly and assembly efficiency of the cover body 3. The cover body 3 can protect the cables or electrical components arranged on the first surface 111; it can block sunlight from irradiating the first surface 111, which is beneficial to the heat dissipation of the first surface 111; it can prevent rainwater or other liquids from falling onto the first surface 111, and improve the problem of liquid ingress and damage of the energy storage main body 1. The cover body 3 can cover the interface 122 and improve the problem of easy damage of the exposed interface 122. The cover body 3 can cover the holding member 113 and reduce the problem of corrosion of the exposed holding member 113. The connecting member 2 is provided with two retaining walls 23 with different outer diameters, which can increase the connection reliability between the engaging member 31 and the connecting member 2, enhance the connection strength between the engaging member 31 and the connecting member 2, and is also beneficial to reducing the installation difficulty of the cover body 3. The engaging member 31 is provided with a first guiding surface 312, a second guiding surface 3132, a third guiding surface 3141, a fourth guiding surface 3142 and a relief hole 3131, which is beneficial to reducing the installation difficulty of the cover body 3 and improving the installation efficiency.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, and the steps can be implemented in any order, and there are many other changes in different aspects of the present application as described above. For the sake of brevity, they are not provided in detail; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An energy storage device, characterized in that: include: Energy storage subject; A connecting piece, arranged on the energy storage body, the connecting piece comprises a clamping column; The cover body is provided with a clamping piece, the clamping piece is provided with a clamping groove, and the clamping groove is clamped and connected with the clamping column.

2. The energy storage device according to claim 1, characterized in that: The energy storage body comprises a first surface, and the connecting member is arranged on the first surface; There are multiple connecting members and multiple clamping members, and the multiple connecting members are arranged at intervals along the first surface. One connecting member is clamped and connected to one clamping member.

3. The energy storage device according to claim 1, characterized in that: The connecting member includes a stop wall, and two stop walls are respectively arranged at two ends of the clamping column; When the connecting member is connected to the clamping member by clamping, the clamping member is partially located between the two stop walls.

4. The energy storage device according to claim 3, characterized in that: The stop wall is cylindrical, and the outer diameters of the two stop walls are different.

5. The energy storage device according to claim 1, characterized in that: The energy storage body is provided with a connection hole; The connecting member includes a connecting column, and the connecting column is connected to the clamping column and the connecting hole.

6. The energy storage device according to claim 1, characterized in that: The clamping member is provided with a first guide surface, and the first guide surface is connected to the inner wall of the clamping groove; Along the direction in which the clamping slot is opened, the first guide surface is arranged in a form of gradually approaching the center surface of the clamping slot.

7. The energy storage device according to claim 1, characterized in that: The clamping member includes a first clamping member, the first clamping member is provided with a clearance hole, the clearance hole is communicated with the top of the clamping slot, and the clearance hole is used for the clamping column to move to the clamping slot through the clearance hole.

8. The energy storage device according to claim 7, characterized in that: A second guide surface is provided on one side of the first clamping member facing the energy storage body, and the second guide surface connects the clamping groove and the inner wall of the clearance hole; Along the opening direction of the clamping groove, the second guide surface is arranged in a form of gradually approaching the energy storage body.

9. The energy storage device according to claim 7, characterized in that: A plurality of the first clamping members are arranged at intervals along a straight line.

10. The energy storage device according to claim 1, characterized in that: The clamping member includes a second clamping member; A third guide surface is provided on one side of the second clamping member facing the energy storage body, the third guide surface is connected to the inner wall of the clamping groove, and along the opening direction of the clamping groove, the third guide surface is provided in a form of gradually approaching the energy storage body; And / or, a fourth guide surface is provided on the side of the second clamping member facing away from the energy storage body, the fourth guide surface is connected to the inner wall of the clamping groove, and along the opening direction of the clamping groove, the fourth guide surface is provided in a form of gradually moving away from the energy storage body.

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