Energy storage equipment

Abstract

The embodiment of the utility model provides energy storage equipment. The energy storage equipment comprises a box body, a battery assembly and a functional part, the box body comprises a first side and a second side which are oppositely arranged, the first side is provided with a first groove, the functional part is arranged in the first groove, the second side is provided with a second groove, the battery assembly is arranged in the second groove, and the first groove and the second groove are arranged in a spaced mode. Thus, through the first groove in the first side of the box body and the second groove in the second side of the box body, the battery assembly and the functional part can be arranged in a separated mode and located in different spaces, under the condition that the battery assembly needs to be replaced or maintained, when the battery assembly needs to be taken out of the box body, the battery assembly can be taken out of the second groove, and therefore the battery assembly can be replaced or maintained conveniently. The functional parts such as the inverter and the display are separately arranged in the first groove, so that the functional parts in the first groove cannot be influenced by taking the battery assembly, various functional parts and other structural parts are prevented from being easily damaged, and the service life of the energy storage equipment is prolonged.

Description

Technical Field

[0001] The present application belongs to the field of electric energy storage technology, and specifically relates to an energy storage device. Background Art

[0002] Energy storage devices are used to store electrical energy to provide electrical energy to electronic devices in outdoor environments, and they play a relatively important role.

[0003] In the prior art, energy storage devices generally include a box, a battery assembly, and functional parts, such as an inverter, a display, etc. The box is provided with a receiving cavity, and the battery assembly and the functional parts are both received in the receiving cavity.

[0004] However, when the battery assembly needs to be replaced or repaired, it is necessary to remove the battery assembly from the box, which can easily cause damage to functional components in the box such as the inverter, display, etc., as well as other structural components, reducing the service life of the energy storage device. Utility Model Content

[0005] In view of the above problems, the present utility model is proposed to provide an energy storage device that overcomes the above problems or at least partially solves the above problems.

[0006] In order to solve the above technical problems, this application is implemented as follows:

[0007] In a first aspect, an embodiment of the present application provides an energy storage device, the energy storage device comprising: a box, a battery assembly and a functional part;

[0008] The box body includes a first side and a second side that are arranged opposite to each other, the first side is provided with a first groove, the functional part is arranged in the first groove, the second side is provided with a second groove, the battery assembly is arranged in the second groove, and the first groove and the second groove are arranged to be spaced apart.

[0009] Optionally, the first groove is recessed along a direction from the first side to the second side, and the second groove is recessed along a direction from the second side to the first side.

[0010] Optionally, the energy storage device further comprises a lifting member, wherein the lifting member is movably connected in the second groove, and the battery assembly is movably connected to the lifting member, so that the battery assembly can be taken out from the second groove by the lifting member.

[0011] Optionally, the lifting member includes a first handle and a second handle, the first handle is movably connected to the second groove and one end of the battery assembly, respectively, and the second handle is movably connected to the second groove and the other end of the battery assembly, respectively.

[0012] Optionally, the first handle includes a first pull rod and a first drag block, the first drag block is movably connected to the second groove and one end of the battery assembly respectively, and the first pull rod is connected to the first drag block;

[0013] The second handle includes a second pull rod and a second drag block, the second drag block is movably connected to the second groove and the other end of the battery assembly, respectively, and the second pull rod is connected to the second drag block.

[0014] Optionally, the energy storage device further includes a first cover plate and a second cover plate;

[0015] The first cover plate is rotatably connected to the first side of the box body and covers the notch of the first groove to open and close the first groove. The second cover plate is rotatably connected to the second side of the box body and covers the notch of the second groove to open and close the second groove.

[0016] Optionally, the first cover plate includes a first plate member, a second plate member and a solar panel;

[0017] The first plate is rotatably connected to the first side of the box and covers the notch of the first groove. The solar panel is connected to the first plate and is electrically connected to the battery assembly. The second plate is connected to a side of the solar panel away from the first plate and is rotatably connected to one end of the first plate.

[0018] Optionally, the energy storage device further includes a side plate, a protective plate and a connecting piece;

[0019] The side panel is connected between the first side and the second side of the box body, the side panel is provided with a plug interface, the protective plate is arranged on the outer side of the side panel and covers the plug interface, and the connecting piece is connected to the side panel and detachably connected to the protective plate.

[0020] Optionally, the connecting member includes a fixing frame, a movable buckle and a sliding block;

[0021] The fixing frame is connected to the side plate, one end of the movable buckle is movably connected to the fixing frame, the other end of the movable buckle is movably connected to the protective plate, and the sliding block is slidably connected to the movable buckle;

[0022] When the protective plate needs to be connected to the side plate, the sliding block drives the movable buckle to move toward the protective plate, and the other end of the movable buckle is clamped on the protective plate;

[0023] When the protective plate needs to be removed from the side plate, the sliding block drives the movable buckle to move toward the fixing frame, one end of the movable buckle is engaged with the fixing frame, and the other end of the movable buckle is released from the protective plate.

[0024] Optionally, the energy storage device further includes a lighting lamp, which is disposed in the first groove and is electrically connected to the battery assembly.

[0025] In the embodiment of the present application, the energy storage device includes: a housing, a battery assembly and a functional part; the housing includes a first side and a second side that are arranged opposite to each other, the first side is provided with a first groove, the functional part is arranged in the first groove, the second side is provided with a second groove, the battery assembly is arranged in the second groove, and the first groove and the second groove are arranged separately. In this way, the battery assembly and the functional part can be separated and arranged by the first groove on the first side of the housing and the second groove on the second side, and the two are in different spaces. When the battery assembly needs to be replaced or repaired, the battery assembly needs to be taken out of the housing, and the battery assembly can be taken out from the second groove. Since the functional parts such as the inverter, the display, etc. are separated and arranged in the first groove, the removal of the battery assembly will not affect the functional parts in the first groove, thereby avoiding easy damage to various functional parts and other structural parts, and extending the service life of the energy storage device.

[0026] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0028] Figure 1 It is one of the structural schematic diagrams of an energy storage device described in an embodiment of the present application;

[0029] Figure 2 is an exploded diagram of an energy storage device described in an embodiment of the present application;

[0030] Figure 3 This is the second structural schematic diagram of an energy storage device described in an embodiment of the present application;

[0031] Figure 4 It is one of the cross-sectional structural schematic diagrams of an energy storage device described in an embodiment of the present application;

[0032] Figure 5 This is the second schematic cross-sectional structure diagram of an energy storage device described in an embodiment of the present application;

[0033] Figure 6 It is a partially enlarged structural schematic diagram of an energy storage device described in an embodiment of the present application;

[0034] Figure 7 is a partial exploded view of an energy storage device described in an embodiment of the present application;

[0035] Figure 8 This is the third structural schematic diagram of an energy storage device described in an embodiment of the present application;

[0036] Fig. 9 is an exploded view of a first cover plate of an energy storage device described in an embodiment of the present application;

[0037] Fig.10 is an exploded view of a connector of an energy storage device described in an embodiment of the present application;

[0038] Fig.11 is an exploded view of a protective plate of an energy storage device described in an embodiment of the present application;

[0039] Fig.12 It is an exploded view of a handle of an energy storage device described in an embodiment of the present application.

[0040] Figure numerals: 100 - box; 200 - battery assembly; 300 - functional part; 110 - first side; 120 - second side; 111 - first groove; 121 - second groove; 400 - lifting member; 410 - first handle; 420 - second handle; 411 - first pull rod; 412 - first drag block; 421 - second pull rod; 422 - second drag block; 500 - first cover plate; 600 - second cover plate; 510 - first plate; 520 - second plate; 530 - solar panel; 130 - side panel; 131 - plug interface; 140 - protective plate; 141 - sealing ring; 150 - connecting member; 151 - fixing frame; 152 - movable buckle; 153 - sliding block; 700 - lighting lamp; 101 - handle. DETAILED DESCRIPTION

[0041] The embodiments of the utility model will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0042] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Reference Figures 1 to 12 , shows a schematic structural diagram of an energy storage device described in an embodiment of the present application, which may specifically include: a box body 100, a battery assembly 200 and a functional part 300; the box body 100 includes a first side 110 and a second side 120 that are arranged opposite to each other, the first side 110 is provided with a first groove 111, the functional part 300 is arranged in the first groove 111, the second side 120 is provided with a second groove 121, the battery assembly 200 is arranged in the second groove 121, and the first groove 111 and the second groove 121 are arranged apart.

[0046] In the embodiment of the present application, by means of the first groove 111 on the first side 110 and the second groove 121 on the second side 120 of the box body 100, and the first groove 111 and the second groove 121 are not connected to each other (i.e., they are separated), the battery assembly 200 and the functional part 300 can be separated and arranged, and the two are in different spaces. When the battery assembly 200 needs to be replaced or repaired and the battery assembly 200 needs to be taken out of the box body 100, the battery assembly 200 can be taken out of the second groove 121. Since the functional parts 300 such as the inverter and the display are separated and arranged in the first groove 111, the removal of the battery assembly 200 will not affect the functional parts 300 in the first groove 111, thereby avoiding damage to various functional parts 300 and other structural parts, and extending the service life of the energy storage device.

[0047] Specifically, in the embodiments of the present application, Figure 1 As shown, the first side 110 may be a side surface of the box body 100 along the height direction Z (i.e., the upper side surface, the side surface facing upward along the height direction Z), and a first groove 111 is provided on the upper side surface of the box body 100 to accommodate the functional component 300. The second side 120 may be another side surface of the box body 100 along the height direction Z (i.e., the lower side surface, the side surface facing downward along the height direction Z), and a second groove 121 is provided on the lower side surface of the box body 100 to accommodate the battery assembly 200. When the battery assembly 200 needs to be taken, the box body 100 may be turned over to expose the second side 120, and at this time, the first groove 111 and the second groove 121 are spaced apart along the extension direction of the first side 110 or the second side 120, that is, the projections of the first groove 111 and the second groove 121 on the first side 110 or the second side 120 do not overlap, so as to facilitate the removal of the battery assembly 200 for replacement or repair.

[0048] Specifically, in the embodiment of the present application, the first side 110 may be a side surface (left side surface) of the box body 100 along the length direction perpendicular to the height direction Z, and a first groove 111 is provided on the left side surface of the box body 100 to accommodate the functional part 300. The second side 120 may be another side surface (right side surface) opposite to the box body 100 along the length direction, and a second groove 121 is provided on the right side surface of the box body 100 to accommodate the battery assembly 200. When the battery assembly 200 needs to be taken, the box body 100 can be turned over to expose the second side 120, and at this time, the first groove 111 and the second groove 121 are spaced apart along the length direction, that is, the projections of the first groove 111 and the second groove 121 in the direction perpendicular to the first side 110 or the second side 120 do not overlap.

[0049] For example, in an embodiment of the present application, the energy storage device can be applied to electric vehicles or two-wheeled vehicles. When there is no electricity in various outdoor situations, the energy storage device is easy to carry and can provide a relatively stable and reliable power supply. The embodiment of the present application does not limit the specific application method of the energy storage device.

[0050] Specifically, in the embodiment of the present application, the energy storage device can be configured as a luggage structure for easy carrying, quick assembly, opening or closing, etc. Functional components 300 such as an inverter and a display are electrically connected to the battery assembly 200, respectively, and the battery assembly 200 can provide a relatively stable and reliable power supply for the functional components 300.

[0051] In the embodiment of the present application, specifically, the battery assembly 200 is provided with a battery connection terminal, and the functional component 300 may be provided with a connector at a position corresponding to the battery connection terminal. An opening is provided on the groove wall of the second groove 121 at a position corresponding to the connector, and the connector of the functional component 300 is inserted into the battery connection terminal through the opening to realize electrical connection between the battery assembly 200 and the functional component 300.

[0052] For example, Fig.12 As shown, the energy storage device may also include a handle 101, which is connected to the outside of the box 100, so that the energy storage device can be lifted by the handle 101. The handle 101 may also be provided with a contoured design according to the shape of a human hand to improve the comfort of holding the handle 101.

[0053] For example, in the embodiment of the present application, the energy storage device may further include a first fixing plate and a second fixing plate, the first fixing plate may be connected to the top of the battery assembly 200, and the second fixing plate may be connected to the bottom of the battery assembly 200, so that the two ends of the battery assembly 200 are fixed respectively by the first fixing plate and the second fixing plate, thereby improving the structural stability of the battery assembly 200. In addition, the energy storage device may further include a battery protection board (referred to as PCM), which is electrically connected to the battery assembly 200, so as to perform circuit protection on the charging and discharging process of the battery assembly 200 through the battery protection board.

[0054] Optionally, in the embodiment of the present application, the first groove 111 is recessed in the direction from the first side 110 to the second side 120, and the second groove 121 is recessed in the direction from the second side 120 to the first side 110. That is, the notch of the first groove 111 is arranged on the first side 110, the groove bottom of the first groove 111 is arranged close to the second side 120, the notch of the second groove 121 is arranged on the second side 120, and the groove bottom of the second groove 121 is arranged close to the first side 110. In this way, the first groove 111 and the second groove 121 extend in opposite directions, making full use of the space of the box 100, and because the first groove 111 and the second groove 121 are arranged separately, interference between the two is avoided. Specifically, when installing the battery assembly 200, the box 100 can be turned 180° so that the second groove 121 is exposed upward, so that the battery assembly 200 can be placed in the second groove 121.

[0055] In the embodiment of the present application, optionally, the energy storage device further includes a lifting member 400, the lifting member 400 is movably connected to the second groove 121, and the battery assembly 200 is movably connected to the lifting member 400, so that the battery assembly 200 can be taken out from the second groove 121 through the lifting member 400. In this way, when the battery assembly 200 needs to be replaced or repaired, the battery assembly 200 can be taken out by pulling the lifting member 400 in the vertical direction, which is convenient for holding, thereby improving the convenience of taking and placing the battery assembly 200.

[0056] For example, in the embodiment of the present application, the lifting member 400 includes a first handle 410 and a second handle 420, wherein the first handle 410 is movably connected to the second groove 121 and one end of the battery assembly 200, respectively, and the second handle 420 is movably connected to the second groove 121 and the other end of the battery assembly 200. In this way, the two ends of the battery assembly 200 can be lifted by the first handle 410 and the second handle 420, respectively, so that the user can pull the first handle 410 and the second handle 420 by both hands, respectively, and the force on the two ends of the battery assembly 200 is more uniform, and the battery assembly 200 has better stability, thereby improving the convenience of taking the battery assembly 200.

[0057] Specifically, in the embodiment of the present application, the first handle 410 includes a first pull rod 411 and a first drag block 412, wherein the first drag block 412 is movably connected to the second groove 121 and one end of the battery assembly 200, respectively, and the first pull rod 411 is connected to the first drag block 412; the second handle 420 includes a second pull rod 421 and a second drag block 422, wherein the second drag block 422 is movably connected to the second groove 121 and the other end of the battery assembly 200, respectively, and the second pull rod 421 is connected to the second drag block 422. In this way, the first handle 410 is connected to and carries one end of the battery assembly 200 through the first drag block 412, and the first handle 410 is pulled more conveniently through the first pull rod 411; and the second handle 420 is connected to and carries the other end of the battery assembly 200 through the second drag block 422, and the second handle 420 is pulled more conveniently through the second pull rod 421.

[0058] Optionally, in the embodiment of the present application, the energy storage device further includes a first cover plate 500 and a second cover plate 600; the first cover plate 500 is rotatably connected to the first side 110 of the box body 100 and covers the notch of the first groove 111 to open and close the first groove 111, and the second cover plate 600 is rotatably connected to the second side 120 of the box body 100 and covers the notch of the second groove 121 to open and close the second groove 121. In this way, when the first cover plate 500 is rotated to close the first groove 111, the functional part 300 in the first groove 111 can be sealed by the first cover plate 500 to achieve better protection, and when the first cover plate 500 is rotated to open the first groove 111, it is convenient to perform inspection and maintenance operations on the functional part 300. When the second cover plate 600 is rotated to close the second groove 121, the battery assembly 200 in the second groove 121 can be sealed by the second cover plate 600 to achieve better protection. When the second cover plate 600 is rotated to open the second groove 121, the battery assembly 200 can be easily taken out for replacement or repair.

[0059] In the embodiment of the present application, for example, the first cover plate 500 can be rotatably connected to the first side 110 of the box body 100 by means of hinges or the like, and similarly, the second cover plate 600 can also be rotatably connected to the second side 120 of the box body 100 by means of hinges or the like. The embodiment of the present application does not limit the specific connection method between the first cover plate 500 and the box body 100, and the specific connection method between the second cover plate 600 and the box body 100.

[0060] In some optional embodiments of the present application, the energy storage device may further include a fastener, which is sequentially inserted through the second cover plate 600 and the second side 120 of the box body 100 to fix the second cover plate 600 to the second side 120, thereby achieving a better sealing effect on the battery assembly 200. For example, the fastener may be a screw, a bolt, a stud, etc., and the specific type of the fastener may not be limited in the embodiments of the present application.

[0061] For example, in an embodiment of the present application, the energy storage device also includes a fastener, one end of which is rotatably connected to the first cover plate 500, and the other end of the fastener is snapped onto the outer wall of the box body 100, so that when the first cover plate 500 is covered in the first groove 111, the first cover plate 500 is firmly connected to the box body 100 through the fastener, thereby enhancing the connection reliability and stability between the first cover plate 500 and the first side 110 of the box body 100.

[0062] By way of example, the fastening member may be a buckle, one end of which is rotatably connected to the first cover plate 500, the other end of which is provided with a claw, and the outer wall of the box body 100 is provided with a clamping plate at a position opposite to the claw, and when the first cover plate 500 covers the first groove 111, the claw is clamped to the clamping plate so that the other end of the buckle is clamped to the outer wall of the box body 100.

[0063] In some optional embodiments of the present application, the first cover plate 500 includes a first plate 510, a second plate 520 and a solar panel 530; the first plate 510 is rotatably connected to the first side 110 of the box 100 and covers the notch of the first groove 111; the solar panel 530 is connected to the first plate 510 and electrically connected to the battery assembly 200; the second plate 520 is connected to a side of the solar panel 530 away from the first plate 510, and the second plate 520 is rotatably connected to one end of the first plate 510. In this way, the solar energy can be converted into electrical energy by the solar panel to charge the battery assembly 200, so as to timely replenish the energy storage device with electrical energy when there is no external power supply outdoors.

[0064] Specifically, in the embodiments of the present application, Figure 8 and Fig. 9 As shown, the solar panel is arranged between the first plate 510 and the second plate 520. When the solar panel 530 is needed, the second plate 520 can be rotated away from the solar panel 530 so that the solar panel 530 is exposed to receive solar energy. When the solar panel 530 is not needed, the second plate 520 can be rotated close to the solar panel 530 to cover the solar panel 530 to prevent the solar panel 530 from being easily damaged by scratches and the like.

[0065] Optionally, in the embodiment of the present application, the energy storage device further includes a side panel 130, a protective panel 140 and a connector 150; the side panel 130 is connected between the first side 110 and the second side 120 of the box body 100, the side panel 130 is provided with a plug-in port 131, the protective panel 140 is arranged on the outside of the side panel 130 and covers the plug-in port 131, and the connector 150 is connected to the side panel 130 and is detachably connected to the protective panel 140. The plug-in port 131 on the side panel 130 is used to realize the electrical connection between the energy storage device and other electronic devices, the protective panel 140 is used to protect the plug-in port 131 on the side panel 130, and the connector 150 is connected to the side panel 130 and is detachably connected to the protective panel 140, so that the protective panel 140 is detachably connected to the side panel 130.

[0066] In the embodiment of the present application, when the plug port 131 is not needed to be electrically connected to other electronic devices, the plug port 131 needs to be protected, and the connector 150 is connected to the protective plate 140 to fix the protective plate 140 to the side plate 130, so as to achieve relatively stable and reliable protection for the plug port 131. When the plug port 131 needs to be electrically connected to other electronic devices, the plug port 131 needs to be exposed, and the connector 150 is disconnected from the protective plate 140 so that the protective plate 140 can be removed from the side plate 130, which is simple, reliable and easy to operate.

[0067] Optionally, in an embodiment of the present application, the energy storage device may further include a sealing ring 141, which is connected to a side of the protective plate 140 close to the plug port 131 to seal and protect the connection between the protective plate 140 and the side plate 130, thereby preventing water vapor or dust from easily penetrating into the plug port 131 from the protective plate 140 and affecting the electrical performance of the plug port 131.

[0068] In the embodiment of the present application, optionally, the connecting member 150 includes a fixed frame 151, a movable buckle 152 and a sliding block 153; the fixed frame 151 is connected to the side panel 130, one end of the movable buckle 152 is movably connected to the fixed frame 151, the other end of the movable buckle 152 is movably connected to the protective plate 140, and the sliding block 153 is slidably connected to the movable buckle 152; when the protective plate 140 needs to be connected to the side panel 130, the sliding block 153 drives the movable buckle 152 to move toward the protective plate 140, and the other end of the movable buckle 152 is clamped to the protective plate 140; when the protective plate 140 needs to be removed from the side panel 130, the sliding block 153 drives the movable buckle 152 to move toward the fixed frame 151, one end of the movable buckle 152 is clamped to the fixed frame 151, and the other end of the movable buckle 152 is released from the clamping connection with the protective plate 140.

[0069] In the embodiment of the present application, by toggling the sliding block 153, the movable buckle 152 moves relative to the sliding block 153, such as Figure 5 As shown, when the sliding block 153 slides to the right, the sliding block 153 drives the movable buckle 152 to move toward the protective plate 140, and the other end of the movable buckle 152 is clamped on the protective plate 140 to fix the protective plate 140 to the side plate 130. When the sliding block 153 slides to the left, the sliding block 153 drives the movable buckle 152 to move toward the fixing frame 151, one end of the movable buckle 152 is clamped on the fixing frame 151, and the other end of the movable buckle 152 is unclamped from the protective plate 140 to remove the protective plate 140 from the side plate 130.

[0070] For example, the movable buckle 152 is provided with a slide groove, which can be an inclined slide groove, and the sliding block 153 is provided with a sliding end, and the sliding end is slidably connected to the slide groove. In addition, one end of the movable buckle 152 is provided with a first clamping column, and the fixing frame 151 is provided with a first clamping groove. In the case where the protective plate 140 needs to be removed from the side plate 130, the first clamping column is clamped in the first clamping groove to clamp one end of the movable buckle 152 to the fixing frame 151. The other end of the movable buckle 152 is provided with a second clamping column, and the protective plate 140 is provided with a second clamping groove. In the case where the protective plate 140 needs to be connected to the side plate 130, the first clamping column is clamped in the second clamping groove to clamp the other end of the movable buckle 152 to the protective plate 140.

[0071] In some optional embodiments of the present application, the outer periphery of the first clamping column and / or the second clamping column may also be provided with an elastic member, such as a spring, etc., to cushion the movement of the movable buckle 152 toward the fixing frame 151 or the protective plate 140.

[0072] Optionally, the energy storage device further includes a lighting lamp 700, which is disposed in the first groove 111 and is electrically connected to the battery assembly 200. In this way, the lighting lamp 700 can be used to provide lighting for the box 100 of the energy storage device, and the lighting lamp 700 can also be taken out of the box 100 for lighting, thereby improving the convenience of using the energy storage device. For example, the lighting lamp 700 can be an LED lamp, an energy-saving lamp, an incandescent lamp, etc., and the specific type of the lighting lamp 700 is not limited in the embodiment of the present application.

[0073] In summary, the energy storage device described in the embodiments of the present application may at least include the following advantages:

[0074] In the embodiment of the present application, the energy storage device includes: a housing, a battery assembly and a functional part; the housing includes a first side and a second side that are arranged opposite to each other, the first side is provided with a first groove, the functional part is arranged in the first groove, the second side is provided with a second groove, the battery assembly is arranged in the second groove, and the first groove and the second groove are arranged separately. In this way, the battery assembly and the functional part can be separated and arranged by the first groove on the first side of the housing and the second groove on the second side, and the two are in different spaces. When the battery assembly needs to be replaced or repaired, the battery assembly needs to be taken out of the housing, and the battery assembly can be taken out from the second groove. Since the functional parts such as the inverter, the display, etc. are separated and arranged in the first groove, the removal of the battery assembly will not affect the functional parts in the first groove, thereby avoiding easy damage to various functional parts and other structural parts, and extending the service life of the energy storage device.

[0075] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0076] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An energy storage device, characterized in that: The energy storage device comprises: a box, a battery assembly and functional parts; The box body includes a first side and a second side that are arranged opposite to each other, the first side is provided with a first groove, the functional part is arranged in the first groove, the second side is provided with a second groove, the battery assembly is arranged in the second groove, and the first groove and the second groove are arranged to be spaced apart.

2. The energy storage device according to claim 1, characterized in that: The first groove is recessed in a direction from the first side to the second side, and the second groove is recessed in a direction from the second side to the first side.

3. The energy storage device according to claim 1, characterized in that: The energy storage device further includes a lifting member, which is movably connected to the second groove, and the battery assembly is movably connected to the lifting member so that the battery assembly can be taken out of the second groove by the lifting member.

4. The energy storage device according to claim 3, characterized in that: The lifting member includes a first handle and a second handle, wherein the first handle is movably connected to the second groove and one end of the battery assembly, respectively, and the second handle is movably connected to the second groove and the other end of the battery assembly, respectively.

5. The energy storage device according to claim 4, characterized in that: The first handle includes a first pull rod and a first drag block, the first drag block is movably connected to the second groove and one end of the battery assembly respectively, and the first pull rod is connected to the first drag block; The second handle includes a second pull rod and a second drag block, the second drag block is movably connected to the second groove and the other end of the battery assembly, respectively, and the second pull rod is connected to the second drag block.

6. The energy storage device according to claim 1, characterized in that: The energy storage device also includes a first cover plate and a second cover plate; The first cover plate is rotatably connected to the first side of the box body and covers the notch of the first groove to open and close the first groove. The second cover plate is rotatably connected to the second side of the box body and covers the notch of the second groove to open and close the second groove.

7. The energy storage device according to claim 6, characterized in that: The first cover plate includes a first plate member, a second plate member and a solar panel; The first plate is rotatably connected to the first side of the box and covers the notch of the first groove. The solar panel is connected to the first plate and is electrically connected to the battery assembly. The second plate is connected to a side of the solar panel away from the first plate and is rotatably connected to one end of the first plate.

8. The energy storage device according to claim 1, characterized in that: The energy storage device also includes side plates, protective plates and connecting parts; The side panel is connected between the first side and the second side of the box body, the side panel is provided with a plug interface, the protective plate is arranged on the outer side of the side panel and covers the plug interface, and the connecting piece is connected to the side panel and detachably connected to the protective plate.

9. The energy storage device according to claim 8, characterized in that: The connecting piece includes a fixing frame, a movable buckle and a sliding block; The fixing frame is connected to the side plate, one end of the movable buckle is movably connected to the fixing frame, the other end of the movable buckle is movably connected to the protective plate, and the sliding block is slidably connected to the movable buckle; When the protective plate needs to be connected to the side plate, the sliding block drives the movable buckle to move toward the protective plate, and the other end of the movable buckle is clamped on the protective plate; When the protective plate needs to be removed from the side plate, the sliding block drives the movable buckle to move toward the fixing frame, one end of the movable buckle is engaged with the fixing frame, and the other end of the movable buckle is released from the protective plate.

10. The energy storage device according to claim 1, characterized in that: The energy storage device also includes a lighting lamp, which is disposed in the first groove and is electrically connected to the battery assembly.

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