Energy storage system and energy storage monomer thereof

Abstract

The energy storage monomer comprises a box body and a box cover which are connected together, a battery is fixedly placed in the box body, a wiring harness interface is arranged on a side plate of the box body, an upper connecting frame and a lower connecting frame are arranged on the side plate of the box body, the upper connecting frame is arranged close to the top of the side plate, and the lower connecting frame is arranged close to the top of the side plate. The lower connecting frames are arranged close to the bottoms of the side plates, first connecting parts are arranged on the upper connecting frames, second connecting parts are arranged on the lower connecting frames, and the first connecting parts and the second connecting parts of the adjacent energy storage single bodies are correspondingly connected in an inserted mode; the upper connecting frame is provided with a first connecting hole used for being connected with a decoration panel, and the lower connecting frame is provided with a second connecting hole used for being connected with the decoration panel. According to the energy storage single body, the connecting structure is simplified, the cost is saved, and the installation is convenient. The utility model also discloses an energy storage system.

Description

Technical Field

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

[0002] In the prior art, in order to facilitate the connection of different energy storage cells, a positioning structure for stacking two cells needs to be provided on the energy storage cell. The positioning structure in the prior art is complex, and the disassembly and assembly of the energy storage cell is cumbersome. A structure that is easy to carry needs to be provided on the energy storage cell to facilitate movement of the energy storage cell. At the same time, a structure for connecting a decorative panel needs to be provided on the outside of the energy storage cell. Such a structural arrangement results in a large number of auxiliary structures provided on the outer surface of the energy storage cell, a complex structure, and a high installation cost. Utility Model Content

[0003] In view of this, the utility model provides an energy storage monomer, which simplifies the connection structure, saves costs and is easy to install.

[0004] The utility model also provides an energy storage system.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An energy storage cell comprises a box body and a box cover connected together, a battery is fixedly placed in the box body, a wiring harness interface is provided on the side plate of the box body, an upper connecting frame and a lower connecting frame are provided on the side plate of the box body, the upper connecting frame is provided near the top of the side plate, the lower connecting frame is provided near the bottom of the side plate, a first connecting portion is provided on the upper connecting frame, a second connecting portion is provided on the lower connecting frame, and the first connecting portion and the second connecting portion of adjacent energy storage cells are correspondingly plugged;

[0007] The upper connecting frame is provided with a first connecting hole for connecting with the decorative panel, and the lower connecting frame is provided with a second connecting hole for connecting with the decorative panel.

[0008] Optionally, two first connection parts are provided on the upper connection frame, and the two first connection parts are symmetrically arranged at two ends of the upper connection frame;

[0009] The lower connecting frame is provided with two second connecting parts, and the two second connecting parts are symmetrically arranged at two ends of the lower connecting frame.

[0010] Optionally, one of the first connection portion and the second connection portion is a connection socket, and the other is a connection pin;

[0011] The connecting sockets are arranged correspondingly to the connecting pins.

[0012] Optionally, the upper connecting frame includes a first main frame body, a first connecting plate and a second connecting plate connected together, the first connecting portion is arranged on the second connecting plate, and the first connecting plate is fixedly connected to the box body.

[0013] The lower connecting frame includes a second main frame body, a third connecting plate and a fourth connecting plate connected together, the second connecting portion is arranged on the fourth connecting plate, and the third connecting plate is fixedly connected to the box body.

[0014] Optionally, the first connection portion is a connection socket, and the second connection portion is a connection plug, and the connection socket is correspondingly plugged into the connection plug;

[0015] The connecting jack is a through hole.

[0016] Optionally, the first main frame and the second main frame are both C-shaped plates, the first connecting plate and the second connecting plate are arranged at the end of the first main frame, and the third connecting plate and the fourth connecting plate are arranged at the end of the second main frame.

[0017] Optionally, the first connection hole is provided on the first main frame, and a plurality of the first connection holes are provided, and the plurality of the first connection holes are evenly distributed along the length direction of the first main frame;

[0018] The second connection hole is arranged on the second main frame, and a plurality of the second connection holes are arranged, and the plurality of the second connection holes are evenly distributed along the length direction of the second main frame.

[0019] Optionally, the second connecting plate and the fourth connecting plate are both arranged parallel to the bottom surface of the box body, the upper surface of the second connecting plate is arranged flush with the upper surface of the box cover, the lower surface of the fourth connecting plate is arranged flush with the bottom surface of the box body, and the connecting pin is arranged on the lower surface of the fourth connecting plate.

[0020] Optionally, the decorative panel comprises a decorative main board body and a bent edge, the decorative main board body is provided with a connecting through hole, and the connecting through hole is provided corresponding to the first connecting hole or the second connecting hole; the decorative main board body is provided with a decorative through hole;

[0021] The front side wall of the box body is connected with a front panel, and the front panel includes a front plate body and side flanges and an upper flange arranged on the edge of the front plate body, and the side flanges, the upper flange and the front plate body are an integral structure.

[0022] It can be seen from the above technical scheme that the energy storage unit provided by the utility model realizes the positioning of adjacent energy storage units by setting an upper connecting frame and a lower connecting frame on the side panel of the box body, and the first connecting part of the upper connecting frame and the second connecting part of the lower connecting frame are correspondingly plugged in, thereby realizing the positioning function, facilitating disassembly and assembly, and saving disassembly and assembly time; both the upper connecting frame and the lower connecting frame are provided with connecting holes for connecting the decorative panel 2 to realize the connection function; the upper connecting frame and the lower connecting frame can be used as handles for mobile energy storage units, which is convenient for carrying. The energy storage unit of the utility model realizes the setting purpose of one structure with multiple uses by setting an upper connecting frame and a lower connecting frame with positioning function, connection function and convenient for carrying, compared with the prior art, where different functions require corresponding setting of different structures, simplifies the connection structure, saves costs, and is convenient for installation.

[0023] The utility model also discloses an energy storage system, including a plurality of stacked energy storage cells. The energy storage cells are the above-mentioned energy storage cells, and therefore have the advantages of the above-mentioned energy storage cells, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic structural diagram of an energy storage unit provided by an embodiment of the utility model from one angle;

[0026] Figure 2 A schematic structural diagram of an energy storage unit from another angle provided in an embodiment of the utility model;

[0027] Figure 3 A structural schematic diagram of an energy storage unit provided by an embodiment of the utility model from another angle;

[0028] Figure 4 A schematic diagram of the structure of the energy storage unit provided by the embodiment of the utility model after removing the decorative panel and the front panel;

[0029] Figure 5 A schematic diagram of the structure of the upper connecting frame provided in an embodiment of the utility model;

[0030] Figure 6 A schematic diagram of the structure of the lower connecting frame provided by an embodiment of the utility model;

[0031] Figure 7 A schematic diagram of the structure of a decorative panel provided by an embodiment of the utility model;

[0032] Figure 8 A schematic diagram of the structure of the front panel provided by an embodiment of the utility model;

[0033] Fig. 9 A schematic diagram of the structure of two energy storage monomers connected in an embodiment of the utility model;

[0034] Fig.10 for Fig. 9 Schematic diagram of the structure after removing the decorative panel.

[0035] in:

[0036] 1-Box cover;

[0037] 2-Decorative panels;

[0038] 201-decoration main board body; 2011-connection through hole; 2012-decoration through hole; 202-bending edge;

[0039] 3- Upper connecting frame;

[0040] 301-first main frame; 302-first connection hole; 303-second connection plate; 304-first connection plate; 305-connection socket;

[0041] 4-Front panel;

[0042] 401-front plate; 402-side flange; 403-upper flange;

[0043] 5-Wire harness interface;

[0044] 6-lower connecting frame;

[0045] 601-second main frame; 602-second connection hole; 603-fourth connection plate; 604-third connection plate; 605-connection column;

[0046] 7- Cabinet. DETAILED DESCRIPTION

[0047] The utility model discloses an energy storage monomer, which simplifies the connection structure, saves costs and is easy to install.

[0048] The utility model also discloses an energy storage system.

[0049] 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 in 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.

[0050] See also Figures 1 to 6 The energy storage unit of the utility model comprises a box body 7 and a box cover 1 connected together, a battery is fixedly placed in the box body 7, and a wiring harness interface 5 is provided on the side panel of the box body 7. An upper connecting frame 3 and a lower connecting frame 6 are provided on the side panel of the box body 7, the upper connecting frame 3 is provided near the top of the side panel, and the lower connecting frame 6 is provided near the bottom of the side panel, a first connecting portion is provided on the upper connecting frame 3, and a second connecting portion is provided on the lower connecting frame 6, and the first connecting portion and the second connecting portion of adjacent energy storage units are correspondingly plugged in, so as to realize the positioning of the stacked energy storage units. A first connecting hole 302 for connecting the decorative panel 2 is provided on the upper connecting frame 3, and a second connecting hole 602 for connecting the decorative panel 2 is provided on the lower connecting frame 6.

[0051] The box body 7 includes a bottom plate, a front side wall, a rear side wall and two side plates arranged opposite to each other, thereby forming a cavity structure with a low end sealed and a top end open. The front side wall and the rear side wall are arranged opposite to each other, and the box cover 1 is connected to the top opening position of the box body 7. The front side wall is the side facing the user when the energy storage unit is in normal use. A wiring harness interface 5 is arranged on one side plate of the box body 7. The wiring harness interface 5 includes a power wiring harness interface and a sampling wiring harness interface.

[0052] The energy storage unit of the utility model is provided with an upper connecting frame 3 and a lower connecting frame 6 on the side panel of the box body 7. The first connecting portion of the upper connecting frame 3 and the second connecting portion of the lower connecting frame 6 are correspondingly plugged to realize the positioning of adjacent energy storage units, thereby realizing the positioning function, facilitating disassembly and assembly, and saving disassembly and assembly time; both the upper connecting frame 3 and the lower connecting frame 6 are provided with connecting holes for connecting the decorative panel 2 to realize the connection function; the upper connecting frame 3 and the lower connecting frame 6 can be used as handles for mobile energy storage units, which is convenient for carrying. The energy storage unit of the utility model is provided with an upper connecting frame 3 and a lower connecting frame 6 with positioning function, connection function and convenient for carrying. Compared with the prior art, which requires corresponding different structures for different functions, the energy storage unit of the utility model realizes the purpose of setting a structure with multiple uses, simplifies the structure, saves costs, and is convenient for installation.

[0053] In order to ensure the reliability of connection, two first connection parts are provided on the upper connection frame 3, and the two first connection parts are symmetrically arranged at the two ends of the upper connection frame 3. The middle area of ​​the upper connection frame 3 realizes the function of carrying and connecting the decorative panel 2. Two second connection parts are provided on the lower connection frame 6, and the two second connection parts are symmetrically arranged at the two ends of the lower connection frame 6. The middle area of ​​the lower connection frame 6 realizes the function of carrying and connecting the decorative panel 2. By arranging the connection parts at the ends of the corresponding connection frames, it is avoided that the setting of the connection parts affects the setting and use of the second connection hole 602 or the first connection hole 302, and at the same time, a hand-grip position is reserved for the carrier during the transportation.

[0054] Further, one of the first connection part and the second connection part is a connection socket, and the other is a connection pin, and the connection socket and the connection pin are arranged correspondingly. In a specific embodiment, the first connection part is a connection socket 305, referring to Figure 5 The second connection portion is a connection plug 605, referring to Figure 6 The connection socket 305 is correspondingly plugged with the connection pin 605. The connection pin 605 can be a cylindrical column or a prism, which is not limited here. For easy connection, the connection socket 305 is a through hole.

[0055] Specifically, the upper connecting frame 3 includes a first main frame body 301, a first connecting plate 304 and a second connecting plate 303 connected together, and the first connecting portion is arranged on the second connecting plate 303. Figure 5 As shown, the connection jack 305 is arranged on the second connection plate 303. The first connection plate 304 is fixedly connected to the box body 7, and the fixed connection here is preferably welded. The lower connection frame 6 includes a second main frame body 601, a third connection plate 604 and a fourth connection plate 603 connected together, and the second connection part is arranged on the fourth connection plate 603, as shown in FIG. Figure 6 As shown, the connecting pin 605 is arranged on the fourth connecting plate 603. The third connecting plate 604 is fixedly connected to the box body 7, and the fixed connection here is preferably welded. The first main frame 301, the first connecting plate 304 and the second connecting plate 303 are welded or integrated, and the second main frame 601, the third connecting plate 604 and the fourth connecting plate 603 are welded or integrated.

[0056] In order to facilitate the smooth insertion of the connection pin 605 into the connection socket 305, the second connection plate 303 and the fourth connection plate 603 are both arranged parallel to the bottom surface of the box body 7. In one embodiment, the upper surface of the second connection plate 303 is arranged flush with the upper surface of the box cover 1 in the installed state, and the lower surface of the fourth connection plate 603 is arranged flush with the bottom surface of the box body 7. When two energy storage cells are stacked, the lower surface of the fourth connection plate 603 of the energy storage cell at the upper end contacts the upper surface of the second connection plate 303 of the energy storage cell at the lower end, and the connection pin 605 is arranged on the lower surface of the fourth connection plate 603, so that the connection pin 605 of the energy storage cell at the upper end can be inserted into the connection socket 305 of the energy storage cell at the lower end.

[0057] The first main frame 301 and the second main frame 601 are both C-shaped plates, which are not only convenient for connection with the decorative panel 2, but also convenient for holding the first main frame 301 or the second main frame 601 when moving the energy storage unit. The first connecting plate 304 and the second connecting plate 303 are arranged at the end of the first main frame 301, and the third connecting plate 604 and the fourth connecting plate 603 are arranged at the end of the second main frame 601. Figure 5 and Figure 6 .

[0058] Specifically, the first connection hole 302 is provided on the first main frame 301. In order to improve the reliability of the connection, a plurality of first connection holes 302 are provided, and the plurality of first connection holes 302 are evenly distributed along the length direction of the first main frame 301. Figure 5 As shown, two first connection holes 302 are provided, and the two first connection holes 302 are symmetrically provided on the first main frame 301. A second connection hole 602 is provided on the second main frame 601, and a plurality of second connection holes 602 are provided, and the plurality of second connection holes 602 are evenly distributed along the length direction of the second main frame 601. In one embodiment, as Figure 6 As shown, two second connection holes 602 are provided, and the two second connection holes 602 are symmetrically arranged on the second main frame body 601. Among them, the upper connection frame 3 and the lower connection frame 6 are both metal plates.

[0059] In order to protect the box body 7, the front side wall of the box body 7 is connected to the front panel 4, and the two side panels are connected to the decorative panel 2 through the upper connecting frame 3 and the lower connecting frame 6. The front panel 4 includes a front panel body 401 and a side flange 402 and an upper flange 403 arranged at the edge of the front panel body 401, and the side flange 402 and the upper flange 403 are bent. Among them, the upper flange 403 is arranged on the top side of the front panel body 401, and the upper flange 403 is arranged corresponding to the top of the box body 7, and the side flange 402 is arranged on both sides of the front panel body 401, and the side flange 402 is arranged corresponding to the side panel of the box body 7. The side flange 402 and the upper flange 403 are an integral structure with the front panel body 401, so that the seam of the front panel 4 cannot be seen from the front, which improves the aesthetics of the front panel 4.

[0060] In a specific embodiment, the decorative panel 2 includes a decorative main body 201 and a bent edge 202. Figure 7 , the decorative main body 201 is arranged parallel to the side plate of the box body 7, the bending edge 202 and the decorative main body 201 are arranged vertically, and the decorative panel 2 protects the wiring harness interface 5. In order to facilitate the connection with the upper connecting frame 3 and the lower connecting frame 6, the decorative main body 201 is provided with a connecting through hole 2011, and the connecting through hole 2011 is arranged corresponding to the first connecting hole 302 or the second connecting hole 602. In one embodiment, four connecting through holes 2011 are provided, two of which are arranged corresponding to the first connecting hole 302, and the other two are arranged corresponding to the second connecting hole 602. In order to improve the heat dissipation performance and have an aesthetic effect, the decorative main body 201 is provided with a decorative through hole 2012. There are multiple decorative through holes 2012, and the multiple decorative through holes 2012 are evenly distributed in an array on the decorative main body 201. Among them, the width of the bending edge 202 is the same as the width of the side flange 402.

[0061] The energy storage unit of the utility model comprises a box body 7, a box cover 1, an upper connecting frame 3 and a lower connecting frame 6. The upper connecting frame 3 and the lower connecting frame 6 are positioning structures when the energy storage units are stacked. When the energy storage units are stacked and used, the weight between the units can be carried, and the decorative panel 2 can be connected and used as a handle for carrying. The box cover 1 is used to seal the box body 7 and protect the battery placed in the box body 7. The energy storage unit of the utility model has a simple and reliable positioning structure connection, is simple and convenient to disassemble and assemble, has low cost, and is beautiful in appearance.

[0062] The utility model also discloses an energy storage system, comprising a plurality of stacked energy storage units, wherein the energy storage units are the energy storage units described above. Fig. 9 and Fig.10 As shown, it is a schematic diagram of the structure of two stacked energy storage units, where: Fig.10 The decorative panel 2 is removed.

[0063] In the description of this solution, it should be understood that the terms "upper", "lower", "vertical", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this solution.

[0064] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this solution, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0065] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0066] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An energy storage unit, comprising a box body and a box cover connected together, wherein a battery is fixedly placed in the box body, and a wiring harness interface is provided on the side plate of the box body, characterized in that: An upper connecting frame and a lower connecting frame are arranged on the side panels of the box body, the upper connecting frame is arranged near the top of the side panel, and the lower connecting frame is arranged near the bottom of the side panel, the upper connecting frame is arranged with a first connecting portion, and the lower connecting frame is arranged with a second connecting portion, and the first connecting portion and the second connecting portion of adjacent energy storage cells are correspondingly plugged; The upper connecting frame is provided with a first connecting hole for connecting with the decorative panel, and the lower connecting frame is provided with a second connecting hole for connecting with the decorative panel.

2. The energy storage monomer according to claim 1, characterized in that: The upper connecting frame is provided with two first connecting parts, and the two first connecting parts are symmetrically arranged at two ends of the upper connecting frame; The lower connecting frame is provided with two second connecting parts, and the two second connecting parts are symmetrically arranged at two ends of the lower connecting frame.

3. The energy storage monomer according to claim 2, characterized in that: One of the first connection part and the second connection part is a connection socket, and the other is a connection pin; The connecting sockets are arranged correspondingly to the connecting pins.

4. The energy storage monomer according to claim 1 or 2, characterized in that: The upper connecting frame includes a first main frame body, a first connecting plate and a second connecting plate connected together, the first connecting portion is arranged on the second connecting plate, and the first connecting plate is fixedly connected to the box body. The lower connecting frame includes a second main frame body, a third connecting plate and a fourth connecting plate connected together, the second connecting portion is arranged on the fourth connecting plate, and the third connecting plate is fixedly connected to the box body.

5. The energy storage monomer according to claim 4, characterized in that: The first connection part is a connection socket, the second connection part is a connection plug, and the connection socket is correspondingly plugged into the connection plug; The connecting jack is a through hole.

6. The energy storage monomer according to claim 4, characterized in that: The first main frame and the second main frame are both C-shaped plates, the first connecting plate and the second connecting plate are arranged at the end of the first main frame, and the third connecting plate and the fourth connecting plate are arranged at the end of the second main frame.

7. The energy storage monomer according to claim 4, characterized in that: The first connection hole is arranged on the first main frame, and a plurality of the first connection holes are arranged, and the plurality of the first connection holes are evenly distributed along the length direction of the first main frame; The second connection hole is arranged on the second main frame, and a plurality of the second connection holes are arranged, and the plurality of the second connection holes are evenly distributed along the length direction of the second main frame.

8. The energy storage monomer according to claim 5, characterized in that: The second connecting plate and the fourth connecting plate are both arranged parallel to the bottom surface of the box body, the upper surface of the second connecting plate is arranged flush with the upper surface of the box cover, the lower surface of the fourth connecting plate is arranged flush with the bottom surface of the box body, and the connecting pin is arranged on the lower surface of the fourth connecting plate.

9. The energy storage monomer according to claim 1, characterized in that: The decorative panel comprises a decorative main body and a bent edge, the decorative main body is provided with a connecting through hole, and the connecting through hole is provided corresponding to the first connecting hole or the second connecting hole; the decorative main body is provided with a decorative through hole; The front side wall of the box body is connected with a front panel, and the front panel includes a front plate body and side flanges and an upper flange arranged on the edge of the front plate body, and the side flanges, the upper flange and the front plate body are an integral structure.

10. An energy storage system, comprising a plurality of stacked energy storage units, characterized in that: The energy storage monomer is the energy storage monomer described in any one of claims 1-9.

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