Energy storage device, energy storage system and electric equipment

Abstract

The utility model discloses an energy storage device, an energy storage system and electric equipment, the energy storage device comprises a first box body, a second box body, a clamping piece and a limiting piece, the first box body comprises a first plate, the first plate comprises a first surface and a second surface which are opposite to each other, the first plate is provided with a mounting hole, the mounting hole penetrates through the first surface and the second surface, and the second box body comprises a second plate; the second plate is opposite to the first plate in the first direction, the second plate comprises a third surface facing the first box body, the clamping piece is arranged on the third surface, is suitable for being arranged in the mounting hole in a penetrating mode and protrudes out of the second surface, and the limiting piece is suitable for being arranged between the clamping piece and the second surface. When the first box body and the second box body are sequentially arranged, interlocking can be achieved through clamping connection of the clamping connection piece, the limiting piece and the second surface at the same time, the structure is simple, and mounting and dismounting are convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage equipment manufacturing, and in particular to an energy storage device, an energy storage system and electrical equipment. Background Art

[0002] The research and development of new and renewable energy and the search for advanced methods to improve energy efficiency have become a primary issue of global concern.

[0003] Battery energy storage is a common type of new energy storage device. It converts electrical energy into chemical energy for storage through chemical batteries, and converts chemical energy into electrical energy for release when needed. Battery energy storage devices have the advantages of small size, light weight, and high storage energy density, which can meet the needs of low-power applications. In order to increase the energy storage density in a limited space, a common method is to place the energy storage devices in sequence.

[0004] In the prior art, the energy storage box is usually fastened on the outside by a plurality of screws, which causes the problem of difficulty in assembly and disassembly. Utility Model Content

[0005] The utility model aims to provide an energy storage device, an energy storage system and an electrical device, which solve the problem in the prior art that the energy storage box is usually fastened on the outside by a plurality of screws, which makes assembly and disassembly difficult.

[0006] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0007] In a first aspect, the utility model provides an energy storage device, comprising: a first box body, comprising a first plate, the first plate comprising a first surface and a second surface opposite to each other, the first plate being provided with a mounting hole, the mounting hole passing through the first surface and the second surface; a second box body, comprising a second plate, the second plate being opposite to the first plate in a first direction, the second plate comprising a third surface facing the first box body; a clamping member, arranged on the third surface and suitable for being passed through the mounting hole and protruding from the second surface; and a limiting member, suitable for being arranged between the clamping member and the second surface.

[0008] In one embodiment, the first box body also includes a third plate, the third plate is connected to one end of the first plate in the second direction, the third plate is provided with a first grasping groove, the opening of the first grasping groove faces away from the interior of the first box body and is connected to the mounting hole, the clip is suitable for extending into the first grasping groove, the limiting member is suitable for being received in the first grasping groove, and the second direction intersects with the first direction.

[0009] In one embodiment, the clamping member includes a connecting portion and a bending portion, one end of the connecting portion is connected to the second plate, and the other end is connected to the bending portion, the bending portion is suitable for bending toward the opening side of the first grasping groove, and the limiting member is suitable for being arranged between the bending portion and the second surface.

[0010] In one embodiment, the number of the mounting holes and the number of the clips are both multiple, the multiple mounting holes are arranged at intervals along the third direction, the multiple clips are arranged at intervals along the third direction, the multiple mounting holes and the multiple clips correspond to each other one by one, and the third direction intersects with both the first direction and the second direction.

[0011] In one embodiment, the limiting member includes a main body and an elastic portion, the elastic portion is sleeved on the main body, and the elastic portion is suitable for elastically abutting against the clamping member and the second surface.

[0012] In one embodiment, the first box body further includes a first terminal, and the second box body further includes a second terminal, the first terminal is connected to the first surface, the second terminal is connected to the third surface, and the first terminal is suitable for being electrically connected to the second terminal.

[0013] In one embodiment, the first plate is further provided with a positioning groove, which is recessed from the first surface to the second surface. The second box body also includes a protruding column, which is connected to the second plate and protrudes from the third surface. The protruding column is suitable for cooperating with the positioning groove.

[0014] In one embodiment, the first box body further includes a buffer member, the buffer member is connected to the first surface, and the buffer member is suitable for abutting against the third surface.

[0015] In one embodiment, the first box body and the second box body are both energy storage boxes, or the first box body is a base and the second box body is an energy storage box, or the first box body is an energy storage box and the second box body is an electric control box.

[0016] In one embodiment, the second box body also includes a fourth plate, which is opposite to the second plate, and the fourth plate includes a fourth surface and a fifth surface opposite to each other, and the fourth plate is provided with the mounting hole, and the mounting hole passes through the fourth surface and the fifth surface; the energy storage device also includes a third box body, the first box body is a base, the second box body is an energy storage box, and the third box body is an electric control box, and the third box body is suitable for being arranged on the side of the second box body away from the first box body along the first direction, and the second box body is at least one; the third box body includes a sixth surface facing the second box body, and the sixth surface is provided with the clamping piece, and the clamping piece connected to the sixth surface is suitable for passing through the mounting hole of the fourth plate and protruding from the fifth surface, and the limiting piece is suitable for being arranged between the fifth surface and the clamping piece connected to the sixth surface.

[0017] In one embodiment, the first box body is a base, the second box body is an energy storage box, and the energy storage device also includes a fixing assembly, the fixing assembly includes a first fixing member and a second fixing member, one end of the first fixing member is suitable for being connected and fixed to a fixed base, and the other end is detachably connected to the second fixing member, and the second fixing member is connected to the side of the second box body.

[0018] In a second aspect, the present invention further provides an energy storage system, comprising a plurality of energy storage devices according to any one of the various implementations of the first aspect, wherein the plurality of energy storage devices are electrically connected.

[0019] In a third aspect, the utility model further provides an electrical equipment, comprising an electrical device and an energy storage device as described in any one of the various embodiments of the first aspect, wherein the energy storage device is suitable for supplying power to the electrical device; or, the electrical equipment comprises an electrical device and an energy storage system as described in any one of the various embodiments of the second aspect, wherein the energy storage system is suitable for supplying power to the electrical device.

[0020] By setting an energy storage device, the energy storage device includes a first box body, a second box body, a clamping piece and a limiting piece. The first box body includes a first plate, the first plate includes a first surface and a second surface opposite to each other, the first plate is provided with a mounting hole, and the mounting hole passes through the first surface and the second surface. The second box body includes a second plate, the second plate is opposite to the first plate in a first direction, the second plate includes a third surface facing the first box body, the clamping piece is arranged on the third surface, and is suitable for passing through the mounting hole and protruding from the second surface, and the limiting piece is suitable for being arranged between the clamping piece and the second surface, so that when the first box body and the second box body are arranged in sequence, the clamping piece can be simultaneously clamped with the limiting piece and the second surface for interlocking, the structure is simple, and installation and disassembly are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 is a structural diagram of an energy storage device of an embodiment;

[0023] Figure 2 is a side view of an energy storage device according to an embodiment;

[0024] Figure 3 is an exploded view of an energy storage device according to an embodiment;

[0025] Figure 4 is a structural diagram of an energy storage device in another embodiment;

[0026] Figure 5 This is a structural diagram of an embodiment in which the first box body is a base;

[0027] Figure 6 is a structural diagram of an energy storage device in another embodiment;

[0028] Figure 7 This is a structural diagram of an embodiment in which the second box is an electric control box;

[0029] Figure 8 is a structural diagram of a position limiting member of an embodiment;

[0030] Fig. 9 is a structural diagram of a fixing component of an embodiment.

[0031] Description of reference numerals:

[0032] 100-Energy storage device;

[0033] 10-first box, 11-first plate, 111-first surface, 112-second surface, 113-mounting hole, 114-positioning groove, 12-fifth plate, 13-sixth plate, 14-seventh plate, 15-eighth plate, 16-third plate, 161-pressure relief valve, 162-first gripping groove, 17-first terminal, 18-buffer;

[0034] 20-second box, 21-second plate, 211-third surface, 22-fourth plate, 221-fourth surface, 222-fifth surface, 23-ninth plate, 24-tenth plate, 25-eleventh plate, 26-twelfth plate, 27-third terminal, 28-second terminal, 29-protruding column;

[0035] 30-clip part, 31-connecting part, 32-bending part, 33-reinforcement rib;

[0036] 40-limiting member, 41-main body, 42-elastic part;

[0037] 50-third box, 51-sixth surface;

[0038] 60-fixing assembly, 61-first fixing member, 611-first fixing portion, 612-second fixing portion, 6121-fixing hole, 62-second fixing member, 621-third fixing portion, 622-fourth fixing portion;

[0039] X-second direction, Y-third direction, Z-first direction. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0042] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0043] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0044] Please refer to Figures 1 to 3The present invention provides an electric device (not shown), including an electric device (not shown) and an energy storage device in an embodiment of the present invention, the energy storage device is suitable for supplying power to the electric device, or the electric device includes an electric device and an energy storage system (not shown) in an embodiment of the present invention, the energy storage system is suitable for supplying power to the electric device. The electric device can be a vehicle, a household appliance, a commercial appliance, an industrial appliance, etc., without limitation.

[0045] The energy storage system provided in the embodiment of the utility model adopts an electrical device and the energy storage device in the embodiment of the utility model, the energy storage device is suitable for supplying power to the electrical device, or the electrical equipment includes the electrical device and the energy storage system in the embodiment of the utility model, the energy storage system is suitable for supplying power to the electrical device, thereby realizing the storage and output of electric energy, and at the same time simplifying the interlocking structure of the energy storage device 100, which is convenient for assembly and disassembly.

[0046] Please refer to Figures 1 to 3 The utility model also provides an energy storage system, including multiple energy storage devices 100 in the embodiments of the utility model, and the multiple energy storage devices 100 are electrically connected. Optionally, the energy storage system also includes a battery (not shown), a control device (not shown) and a temperature device (not shown), and the battery is accommodated in the energy storage device 100. Optionally, the battery is electrically connected to the control device, and the control device is used to control the charging and discharging of the battery and monitor the status information of the battery. Optionally, the control device sends the status information of the battery to the management personnel so that the management personnel can manage the energy storage system. Optionally, the temperature device is used to control the operating temperature of the battery to ensure that the battery will not be damaged due to overcooling or overheating. Optionally, the temperature device includes a sensor (not shown), a controller (not shown), a heater (not shown) and a refrigerator (not shown). Optionally, the energy storage device 100 in the embodiment of the utility model is provided with a heat dissipation channel (not shown) so that the heat generated during the operation of the battery cell can be transferred to the outside.

[0047] The energy storage system provided in the embodiment of the utility model realizes charging and discharging, state monitoring and feedback, and temperature control of the battery by adopting a battery, a control device, a temperature device, and the energy storage device 100 in the embodiment of the utility model, thereby improving the practicality of the product, ensuring the stability and safety of the battery, and simplifying the interlocking structure of the energy storage device 100 for easy assembly and disassembly.

[0048] The energy storage device 100 according to the embodiment of the utility model is described in detail below.

[0049] Please refer to Figures 1 to 3 The utility model also provides an energy storage device 100, comprising:

[0050] The first box body 10 includes a first plate 11, and the first plate 11 includes a first surface 111 and a second surface 112 opposite to each other. The first plate 11 is provided with a mounting hole 113, and the mounting hole 113 penetrates the first surface 111 and the second surface 112. Optionally, the mounting hole 113 is arranged near the edge of the first plate 11, and the mounting hole 113 is located on one side of the second surface 112 and communicates with the outside world, so as to facilitate the installation of the stopper 40. Optionally, there are at least two mounting holes 113, and at least two are respectively opened at both ends of the first plate 11. Optionally, the first box body 10 can be made of a material that meets the structural strength requirements, is corrosion-resistant and easy to process, and can be specifically aluminum alloy, iron alloy, fiberglass, etc., without limitation.

[0051] Optionally, the first box body 10 further includes a fifth plate 12, a sixth plate 13, a seventh plate 14 and an eighth plate 15, the fifth plate 12 is opposite to the third plate 16 of the first box body 10 in the second direction, and is respectively connected to the two ends of the first plate 11, and is simultaneously connected to the two ends of the sixth plate 13, the sixth plate 13 is opposite to the first plate 11 in the first direction, the seventh plate 14 and the eighth plate 15 are opposite to each other in the third direction, and are both connected to the first plate 11, the sixth plate 13, the seventh plate 14 and the eighth plate 15 to enclose and form a receiving space (not shown), and the first direction, the second direction and the third direction intersect each other. Exemplarily, the first direction corresponds to the height direction of the first box body 10, the second direction corresponds to the length direction of the first box body 10, and the third direction corresponds to the thickness direction of the first box body 10.

[0052] For example, please refer to Figures 1 to 3 The first box 10 is an energy storage box, and the above-mentioned battery is accommodated in the accommodation space of the first box 10. Optionally, the third plate 16 is provided with a pressure relief valve 161, which is connected to the accommodation space. The pressure relief valve 161 is used to exhaust when the battery temperature is too high to maintain normal air pressure inside the energy storage box.

[0053] For example, please refer to Figure 4 and Figure 5 The first box body 10 is a base, and the first box body 10 includes the aforementioned first plate 11, the aforementioned third plate 16, the aforementioned fifth plate 12 and the aforementioned sixth plate 13. The mounting hole 113 is connected to the outside through the gap between the first plate 11 and the sixth plate 13.

[0054] The second box 20 includes a second plate 21, which is opposite to the first plate 11 in the first direction, and the second plate 21 includes a third surface 211 facing the first box 10. Optionally, the second box 20 also includes a fourth plate 22, a ninth plate 23, a tenth plate 24, an eleventh plate 25 and a twelfth plate 26, the fourth plate 22 is opposite to the second plate 21 in the first direction, the ninth plate 23 is opposite to the tenth plate 24 in the second direction, and is respectively connected to both ends of the second plate 21, and is connected to both ends of the fourth plate 22, the eleventh plate 25 and the twelfth plate 26 are opposite in the third direction, and are both connected to the second plate 21, the fourth plate 22, the ninth plate 23 and the tenth plate 24 to enclose and form a accommodating space (not shown). Optionally, the material of the second box 20 is similar to that of the first box 10, which can be used as a reference without limitation.

[0055] For example, please refer to Figures 1 to 3 The second box body 20 is an energy storage box, and the aforementioned battery is accommodated in the accommodating space. The structure of the second box body 20 is similar to the structure when the aforementioned first box body 10 is an energy storage box, and can be used for reference only and will not be repeated here.

[0056] For example, please refer to Figure 6 and Figure 7 The second box 20 is an electric control box, and the aforementioned control device is accommodated in the accommodating space. Optionally, the tenth board 24 is provided with a third terminal 27, the third terminal 27 is electrically connected to the control device, and the third terminal 27 is used to electrically connect to an external device (not shown).

[0057] The clamping member 30 is disposed on the third surface 211 (eg Figure 7 ), and is suitable for being penetrated in the mounting hole 113, and protruding from the second surface 112. Optionally, there are at least two clips 30, and at least two clips 30 are respectively arranged at both ends of the second plate 21. Optionally, the clip 30 and the second plate 21 can be an integral structure, and can also be detachably connected by means of screw connection, clip connection and riveting, without limitation. Optionally, the material of the clip 30 is similar to the material of the aforementioned first box body 10, which can be used for reference without further elaboration. Optionally, when the aforementioned first box body 10 is an energy storage box, the sixth plate 13 is also provided with a clip 30 to connect the first box body 10 to the base or other energy storage boxes.

[0058] The stopper 40 is suitable for being arranged between the clamping member 30 and the second surface 112. Exemplarily, the stopper 40 is a latch. Optionally, there are at least two stoppers 40, and the two stoppers 40 are respectively connected to the two ends of the first box body 10. Optionally, the stopper 40 and at least one of the clamping member 30 and the second surface 112 can be connected and fixed by clamping, screwing, magnetic attraction, riveting, etc., without limitation.

[0059] By setting the energy storage device 100, the energy storage device 100 includes a first box body 10, a second box body 20, a clamping member 30 and a stopper 40, the first box body 10 includes a first plate 11, the first plate 11 includes a first surface 111 and a second surface 112 opposite to each other, the first plate 11 is provided with a mounting hole 113, the mounting hole 113 passes through the first surface 111 and the second surface 112, the second box body 20 includes a second plate 21, the second plate 21 is opposite to the first plate 11 in a first direction, the second plate 21 includes a third surface 211 facing the first box body 10, and the clamping member 30 is arranged on the third surface The first and second surfaces 112 and 113 are provided with a plurality of clamping members 30 and 40, respectively. The clamping members 30 and 40 are provided on the first and second surfaces 112, respectively. The clamping members 30 and 40 are provided on the second surface 111, and are suitable for being penetrated through the mounting hole 113 and protruding from the second surface 112, and the limiting member 40 is suitable for being arranged between the clamping member 30 and the second surface 112. Compared with the scheme of fixing the sides of the first box body 10 and the second box body 20 with structures such as screws, the present scheme adopts the clamping member 30 and the limiting member 40 to interlock and fix the first box body 10 and the second box body 20, so that when the first box body 10 and the second box body 20 are arranged in sequence, the clamping member 30 can be simultaneously clamped with the limiting member 40 and the second surface 112 for interlocking, the structure is simple, and installation and disassembly are convenient.

[0060] Please refer to Figure 3 The first box body 10 also includes a third plate 16, which is connected to one end of the first plate 11 in the second direction. The third plate 16 is provided with a first grasping groove 162, the opening of the first grasping groove 162 is facing away from the interior of the first box body 10, and is connected to the mounting hole 113. The clamping member 30 is suitable for extending into the first grasping groove 162, and the limiting member 40 is suitable for being received in the first grasping groove 162. The second direction intersects with the first direction.

[0061] Optionally, the fifth plate 12 is provided with a second gripping groove (not shown), and the structure of the second gripping groove is similar to that of the first gripping groove 162, which can be used for reference only and will not be described in detail. The mounting hole 113 at the other end of the first plate 11 is connected to the second gripping groove, and the clamping member 30 at the other end of the second plate 21 extends from the mounting hole 113 into the second gripping groove and is clamped and fixed by the stopper 40.

[0062] By setting the first box body 10 to also include a third plate 16, the third plate 16 is connected to one end of the first plate 11 in the second direction, the second plate 21 is provided with a first grasping groove 162, the opening of the first grasping groove 162 is facing away from the interior of the first box body 10, and is connected with the mounting hole 113, the clamping member 30 is suitable for extending into the first grasping groove 162, the limiting member 40 is suitable for being received in the first grasping groove 162, the second direction intersects with the first direction, so that the second surface 112 and the clamping member 30 are connected with the outside through the first grasping groove 162, the limiting member 40 can be installed at the opening of the first grasping groove 162, the operation is convenient, and the first box body 10 can be moved through the first grasping groove 162.

[0063] Please refer to Figure 7The clamping member 30 includes a connecting portion 31 and a bending portion 32. One end of the connecting portion 31 is connected to the second plate 21, and the other end is connected to the bending portion 32. The bending portion 32 is adapted to bend toward the opening side of the first grasping groove 162. The stopper 40 is adapted to be disposed between the bending portion 32 and the second surface 112. Optionally, the connecting portion 31 extends along the first direction, and the length dimension of the connecting portion 31 in the first direction is greater than the length dimension of the mounting hole 113 in the first direction, so that the bending portion 32 protrudes from the second surface 112, which facilitates the installation of the clamping member 30.

[0064] Optionally, the clamping member 30 further includes a reinforcing rib 33, which is connected to the connecting portion 31 and to the second plate 21, and is clamped with the limiting member 40 to make the connection between the connecting portion 31 and the second plate 21 more stable and less prone to bending and breaking, thereby improving the connection stability between the limiting member 40 and the clamping member 30 and preventing the limiting failure. Optionally, the connecting portion 31, the bent portion 32 and the reinforcing rib 33 are an integrated structure, and can also be detachably connected by screwing, clamping and riveting, etc., without limitation.

[0065] By setting a connecting portion 31 and a bending portion 32, one end of the connecting portion 31 is connected to the second plate 21, and the other end is connected to the bending portion 32, and the bending portion 32 is suitable for bending toward the opening side of the first grasping groove 162, and the limiting member 40 is suitable for being set between the bending portion 32 and the second surface 112, so that the limiting member 40 can be stably connected to the clamping member 30, and limit the first box body 10 and the second box body 20 in the first direction, so as to prevent the limiting member 40 from escaping from the clamping member 30, thereby improving the connection stability between the first box body 10 and the second box body 20.

[0066] Please refer to Figure 3 and Figure 7 The number of mounting holes 113 and the number of clips 30 are both multiple, the multiple mounting holes 113 are arranged at intervals along the third direction, the multiple clips 30 are arranged at intervals along the third direction, the multiple mounting holes 113 and the multiple clips 30 correspond one to one, and the third direction intersects with both the first direction and the second direction.

[0067] Optionally, the first plate 11 is provided with a plurality of mounting holes 113 at both ends in the second direction, and the second plate 21 is provided with a plurality of clips 30 at both ends in the second direction. The plurality of mounting holes 113 and the plurality of clips 30 at both ends correspond one to one and are clipped and fixed by at least two limit members 40.

[0068] Optionally, one or more mounting holes 113 are provided at both ends of the first plate 11 in the third direction, and one or more clips 30 are correspondingly provided at both ends of the second plate 21 in the third direction, so that the first box body 10 and the second box body 20 are interlocked by installing a limit member 40 in the third direction.

[0069] By setting the number of mounting holes 113 and the number of clips 30 to be multiple, the multiple mounting holes 113 are arranged at intervals along the third direction, the multiple clips 30 are arranged at intervals along the third direction, the multiple mounting holes 113 and the multiple clips 30 correspond to each other one by one, and the third direction intersects with both the first direction and the second direction, so that the first box body 10 and the second box body 20 are clipped with the limit member 40 through the multiple clips 30, so that the connection between the first box body 10 and the second box body 20 is more stable, and the risk of interlocking failure is reduced.

[0070] Please refer to Figure 8 The stopper 40 includes a main body 41 and an elastic part 42, wherein the elastic part 42 is sleeved on the main body 41, and the elastic part 42 is suitable for elastically contacting the clamping part 30 and the second surface 112. Optionally, the main body 41 can be made of a material that meets the requirements of structural strength, corrosion resistance and ease of processing, such as stainless steel, aluminum alloy and cast iron, etc., without limitation. Optionally, the elastic part 42 can be made of a material that is elastic, chemically stable and has good insulation, such as rubber, plastic and silicone, etc., without limitation.

[0071] By setting the limiting member 40 to include a main body portion 41 and an elastic portion 42, the elastic portion 42 is sleeved on the main body portion 41, and the elastic portion 42 is suitable for elastically abutting against the clamping member 30 and the second surface 112, so that the limiting member 40 and the clamping member 30 and the second surface 112 are elastically abutted, and the pressure between the limiting member 40 and the clamping member 30 and the second surface 112 is increased, so that the limiting member 40 is not easy to fall out from between the clamping member 30 and the second surface 112, thereby improving the limiting effect of the limiting member 40 and reducing the risk of interlocking failure.

[0072] Please refer to Figure 3 and Figure 7 The first box body 10 further includes a first terminal 17 , and the second box body 20 further includes a second terminal 28 . The first terminal 17 is connected to the first surface 111 , and the second terminal 28 is connected to the third surface 211 . The first terminal 17 is suitable for being electrically connected to the second terminal 28 .

[0073] Exemplarily, when the first box body 10 is an energy storage box, the surface of the sixth plate 13 facing away from the first plate 11 is provided with a second terminal 28, and the second terminal 28 is used to be electrically connected to the first terminal 17 of the base or other energy storage box. Optionally, both the first terminal 17 and the second terminal 28 are used to be electrically connected to the battery accommodated in the first box body 10. Exemplarily, the first box body 10 is a base, and the sixth plate 13 is not provided with the second terminal 28, and the sixth plate 13 is used to be connected and fixed to a supporting surface (not shown). Optionally, the first terminal 17 is used to be electrically connected to the energy storage box for grounding. Optionally, the supporting surface can be the ground, an inclined surface, a mounting platform, etc., without limitation.

[0074] Exemplarily, the second box 20 is an energy storage box, and the structure of the second box 20 is similar to that of the first box 10 as an energy storage box, which can be referred to and will not be described in detail. Exemplarily, the second box 20 is an electric control box, and the fourth board 22 is not provided with the second terminal 28.

[0075] By setting the first box body 10 to also include a first terminal 17, and the second box body 20 to also include a second terminal 28, the first terminal 17 is connected to the first surface 111, and the second terminal 28 is connected to the third surface 211, and the first terminal 17 is suitable for being electrically connected to the second terminal 28, so that the first box body 10 and the second box body 20 can be electrically connected in series through the first terminal 17 and the second terminal 28, without the need to additionally set up a series structure on the side of the energy storage device 100, the structure is simple, and installation and disassembly are convenient.

[0076] Please refer to Figure 3 and Figure 7 The first plate 11 is also provided with a positioning groove 114, which is recessed from the first surface 111 to the second surface 112. The second box body 20 also includes a protruding column 29, which is connected to the second plate 21 and protrudes from the third surface 211. The protruding column 29 is suitable for being matched and connected with the positioning groove 114.

[0077] Optionally, the protruding column 29 and the second plate 21 may be an integral structure, or may be detachably connected by snap connection, screw connection, riveting, etc., without limitation. Optionally, there may be multiple positioning grooves 114 and protruding columns 29, multiple positioning grooves 114 are arranged at both ends of the first plate 11 in the second direction, and multiple protruding columns 29 are correspondingly arranged on the second plate 21, so that the first box body 10 and the second box body 20 can be accurately connected.

[0078] Exemplarily, the first box body 10 is an energy storage box, and the surface of the sixth plate 13 facing away from the first plate 11 is provided with a protrusion 29, and the first protrusion is used to cooperate with the first groove of the base or other energy storage box. Exemplarily, the first box body 10 is a base, and the sixth plate 13 is not provided with a protrusion 29, and the sixth plate 13 is used to be connected and fixed with the support surface.

[0079] Exemplarily, the second box 20 is an energy storage box, and the structure of the second box 20 is similar to that of the first box 10 as an energy storage box, which can be referred to and will not be described in detail. Exemplarily, the second box 20 is an electric control box, and the fourth plate 22 is not provided with the protruding column 29.

[0080] The first plate 11 is also provided with a positioning groove 114, and the positioning groove 114 is recessed from the first surface 111 to the second surface 112. The second box body 20 also includes a protruding column 29, which is connected to the second plate 21 and protrudes from the third surface 211. The protruding column 29 is suitable for being matched with the positioning groove 114, so that when the second box body 20 and the first box body 10 are arranged in sequence, the first box body 10 and the second box body 20 can be accurately connected through the matching connection of the positioning groove 114 and the protruding column 29. At the same time, the positioning groove 114 and the protruding column 29 can provide a limiting effect on the first box body 10 and the second box body 20 in the second direction and the third direction to prevent the first box body 10 and the second box body 20 from offsetting.

[0081] Please refer to Figure 3 The first box body 10 further includes a buffer 18, the buffer 18 is connected to the first surface 111, and the buffer 18 is suitable for abutting against the third surface 211. Optionally, there are multiple buffers 18, and the multiple buffers 18 are arranged on the first surface 111 at intervals.

[0082] Optionally, at least two buffers 18 are respectively disposed at both ends of the first surface 111 in the second direction. Optionally, the buffer 18 can be made of a material that meets structural strength, chemical stability and low hardness, specifically rubber, plastic and silicone, etc., without limitation. Exemplarily, the second box 20 is an energy storage box, and the fourth plate 22 is provided with one or more buffers 18.

[0083] The first box body 10 also includes a buffer 18 connected to the first surface 111 . The buffer 18 is suitable for abutting against the third surface 211 , so that the first plate 11 and the second plate 21 are elastically abutted against each other, and it is not easy to cause mechanical damage to the first plate 11 and the second plate 21 .

[0084] Please refer to Figures 1 to 7 , the first box 10 and the second box 20 are both energy storage boxes, or the first box 10 is a base and the second box 20 is an energy storage box, or the first box 10 is an energy storage box and the second box 20 is an electric control box. Optionally, when the first box 10 and the second box 20 are both energy storage boxes, there can be multiple first boxes 10 and multiple second boxes 20, and the multiple first boxes 10 and multiple second boxes 20 are arranged in sequence in the first direction.

[0085] Optional, please refer to Figures 1 to 3 , the first box body 10 and the second box body 20 are both energy storage boxes. Optionally, there can be multiple first box bodies 10 and second box bodies 20, without limitation.

[0086] Optional, please refer to Figure 4 and Figure 5When the first box body 10 is a base and the second box body 20 is an energy storage box, there may be multiple second boxes 20, and the multiple second boxes 20 are sequentially arranged on the same side of the first box body 10 in the first direction.

[0087] Optional, please refer to Figure 6 and Figure 7 When the first box 10 is an energy storage box and the second box 20 is an electric control box, there may be multiple first boxes 10, and the multiple first boxes 10 are sequentially arranged on one side of the second box 20 in the first direction.

[0088] By arranging the first box body 10 and the second box body 20 to be energy storage boxes, or the first box body 10 to be a base and the second box body 20 to be an energy storage box, or the first box body 10 to be an energy storage box and the second box body 20 to be an electric control box, and there can be multiple energy storage boxes, the energy storage device 100 can arrange the base, the energy storage box and the electric control box according to needs, thereby improving the power storage capacity of the energy storage device 100 and facilitating the expansion and management of the energy storage device 100.

[0089] Please refer to Figure 4 The second box body 20 also includes a fourth plate 22, the fourth plate 22 is opposite to the second plate 21, the fourth plate 22 includes a fourth surface 221 and a fifth surface 222 opposite to each other, the fourth plate 22 is provided with a mounting hole 113, the mounting hole 113 passes through the fourth surface 221 and the fifth surface 222, the energy storage device 100 also includes a third box body 50, the first box body 10 is a base, the second box body 20 is an energy storage box, the third box body 50 is an electric control box, the third box body 50 is suitable for being arranged along the first direction on the side of the second box body 20 away from the first box body 10, the second box body 20 is at least one, the third box body 50 includes a sixth surface 51 facing the second box body 20, the sixth surface 51 is provided with a clamping member 30, the clamping member 30 connected to the sixth surface 51 is suitable for passing through the mounting hole 113 of the fourth plate 22, and protruding from the fifth surface 222, and the limiting member 40 is suitable for being arranged between the fifth surface 222 and the clamping member 30 connected to the sixth surface 51.

[0090] Optionally, the structure of the third box 50 is similar to the structure of the second box 20 as an electric control box, which can be referred to and will not be repeated. Optionally, the first box 10 can also be an energy storage box, without limitation. Optionally, there can be multiple second boxes 20, and the multiple second boxes 20 are arranged in sequence between the third box 50 and the first box 10.

[0091] The second box body 20 also includes a fourth plate 22, the fourth plate 22 is opposite to the second plate 21, the fourth plate 22 includes a fourth surface 221 and a fifth surface 222 opposite to each other, the fourth plate 22 is provided with a mounting hole 113, the mounting hole 113 passes through the fourth surface 221 and the fifth surface 222, the energy storage device 100 also includes a third box body 50, the first box body 10 is a base, the second box body 20 is an energy storage box, the third box body 50 is an electric control box, the third box body 50 is suitable for being arranged on a side of the second box body 20 away from the first box body 10 along the first direction, and the second box body 20 is at least The third box body 50 includes a sixth surface 51 facing the second box body 20, and the sixth surface 51 is provided with a clamping piece 30. The clamping piece 30 connected to the sixth surface 51 is suitable for passing through the mounting hole 113 of the fourth plate 22 and protruding from the fifth surface 222. The limiting piece 40 is suitable for being arranged between the fifth surface 222 and the clamping piece 30 connected to the sixth surface 51, so that the energy storage device 100 can arrange the base, energy storage box and electric control box according to needs, thereby improving the power storage capacity of the energy storage device 100 and facilitating the expansion and management of the energy storage device 100.

[0092] Please refer to Figure 4 and Fig. 9 The first box 10 is a base, the second box 20 is an energy storage box, the energy storage device 100 further includes a fixing assembly 60, the fixing assembly 60 includes a first fixing member 61 and a second fixing member 62, one end of the first fixing member 61 is suitable for being connected and fixed to a fixed base (not shown), and the other end is detachably connected to the second fixing member 62, and the second fixing member 62 is connected to the side of the second box 20. Optionally, the fixed base can be a wall, an inclined surface, an installation platform, etc., without limitation.

[0093] Optionally, the first fixing member 61 includes a first fixing portion 611 and a second fixing portion 612, the first fixing portion 611 is used to be connected and fixed to the fixing base, and the second fixing portion 612 is used to be detachably connected to the second fixing member 62. Optionally, the second fixing member 62 includes a third fixing portion 621 and a fourth fixing portion 622, the third fixing portion 621 is used to be detachably connected to the second fixing portion 612, and the fourth fixing portion 622 is used to be connected and fixed to the side of the second box body 20.

[0094] Optionally, the second fixing portion 612 is provided with a fixing hole 6121, and the fourth fixing portion 622 is used to penetrate the fixing hole 6121 along the first direction so that the second fixing member 62 is clamped and fixed with the second fixing member 62. Optionally, there may be multiple fixing holes 6121 and fourth fixing portions 622, the multiple fixing holes 6121 are arranged at intervals, and the multiple fourth fixing portions 622 are arranged one-to-one with the multiple fixing holes 6121.

[0095] Optionally, the first fixing member 61 and the fixing base can be connected and fixed by screwing, clamping and welding, etc., without limitation. Optionally, the first fixing member 61 and the second fixing member 62 can be an integral structure, or can be connected and fixed by screwing, riveting and clamping, etc., without limitation. Optionally, the second fixing member 62 can be an integral structure with the second box body 20, or can be connected and fixed by clamping, screwing and riveting, etc., without limitation.

[0096] By setting the first box body 10 as a base and the second box body 20 as an energy storage box, the energy storage device 100 also includes a fixing assembly 60, and the fixing assembly 60 includes a first fixing member 61 and a second fixing member 62. One end of the first fixing member 61 is suitable for being connected and fixed to a fixed base, and the other end is detachably connected to the second fixing member 62. The second fixing member 62 is connected to the side of the second box body 20, so that the energy storage device 100 can be connected and fixed to the fixed base in a complex environment, and is not prone to position displacement and tipping, thereby ensuring the stability of the working state of the energy storage device 100.

[0097] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship described 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 cannot be understood as a limitation on the present invention.

[0098] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. An energy storage device, characterized in that: include: A first box body includes a first plate, wherein the first plate includes a first surface and a second surface opposite to each other, and the first plate is provided with a mounting hole, wherein the mounting hole passes through the first surface and the second surface; A second box body, comprising a second plate, the second plate being opposite to the first plate in a first direction, the second plate comprising a third surface facing the first box body; A clamping member, disposed on the third surface, adapted to be inserted into the mounting hole, and protruding from the second surface; as well as The limiting member is suitable for being arranged between the clamping member and the second surface.

2. The energy storage device according to claim 1, characterized in that: The first box body also includes a third plate, which is connected to one end of the first plate in the second direction. The third plate is provided with a first grasping groove, the opening of the first grasping groove faces away from the interior of the first box body and is connected to the mounting hole. The clamping member is suitable for extending into the first grasping groove, and the limiting member is suitable for being received in the first grasping groove. The second direction intersects with the first direction.

3. The energy storage device according to claim 2, characterized in that: The clamping member includes a connecting portion and a bending portion, one end of the connecting portion is connected to the second plate, and the other end is connected to the bending portion, the bending portion is suitable for bending toward the opening side of the first grasping groove, and the limiting member is suitable for being arranged between the bending portion and the second surface.

4. The energy storage device according to any one of claims 1 to 3, characterized in that: The number of the mounting holes and the clamping parts are both multiple, the multiple mounting holes are arranged at intervals along the third direction, the multiple clamping parts are arranged at intervals along the third direction, the multiple mounting holes and the multiple clamping parts correspond to each other one by one, and the third direction intersects with both the first direction and the second direction.

5. The energy storage device according to claim 1, characterized in that: The limiting member includes a main body and an elastic portion. The elastic portion is sleeved on the main body. The elastic portion is suitable for elastically abutting against the clamping member and the second surface.

6. The energy storage device according to claim 1, characterized in that: The first box body further includes a first terminal, and the second box body further includes a second terminal. The first terminal is connected to the first surface, and the second terminal is connected to the third surface. The first terminal is suitable for being electrically connected to the second terminal.

7. The energy storage device according to claim 1, characterized in that: The first plate is also provided with a positioning groove, which is recessed from the first surface to the second surface. The second box body also includes a protruding column, which is connected to the second plate and protrudes from the third surface. The protruding column is suitable for being matched with the positioning groove.

8. The energy storage device according to claim 1, characterized in that: The first box body further includes a buffer component, the buffer component is connected to the first surface, and the buffer component is suitable for abutting against the third surface.

9. The energy storage device according to claim 1, characterized in that: The first box body and the second box body are both energy storage boxes, or the first box body is a base and the second box body is an energy storage box, or the first box body is an energy storage box and the second box body is an electric control box.

10. The energy storage device according to claim 1, characterized in that: The second box body further includes a fourth plate, the fourth plate is opposite to the second plate, the fourth plate includes a fourth surface and a fifth surface opposite to each other, the fourth plate is provided with the mounting hole, and the mounting hole passes through the fourth surface and the fifth surface; The energy storage device further includes a third box, the first box is a base, the second box is an energy storage box, the third box is an electric control box, the third box is suitable for being arranged on a side of the second box away from the first box along the first direction, and the second box is at least one; The third box body includes a sixth surface facing the second box body, the sixth surface is provided with the clip, the clip connected to the sixth surface is suitable for passing through the mounting hole of the fourth plate and protruding from the fifth surface, and the limiter is suitable for being arranged between the fifth surface and the clip connected to the sixth surface.

11. The energy storage device according to claim 1, characterized in that: The first box body is a base, the second box body is an energy storage box, the energy storage device also includes a fixing assembly, the fixing assembly includes a first fixing member and a second fixing member, one end of the first fixing member is suitable for being connected and fixed to a fixed base, and the other end is detachably connected to the second fixing member, and the second fixing member is connected to the side of the second box body.

12. An energy storage system, characterized in that: It comprises a plurality of energy storage devices according to any one of claims 1 to 11, wherein the plurality of energy storage devices are electrically connected.

13. An electrical equipment, characterized in that: comprising an electric device and an energy storage device as claimed in any one of claims 1 to 11, wherein the energy storage device is suitable for supplying power to the electric device; or, The electrical equipment comprises an electrical device and the energy storage system as claimed in claim 12, wherein the energy storage system is suitable for supplying power to the electrical device.

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