Household energy storage device

Abstract

The utility model provides a household energy storage device, which is characterized in that a base is provided with a first surface formed by extending along a first direction, and the first surface is provided with a first locking part and a first connection locking part which are adjacently arranged along the first direction; the battery pack is provided with a second surface and a third surface, the second surface is provided with a second locking part and a second connecting locking part, the second locking part is connected with the first locking part in a concave-convex matching manner, and the second connecting locking part is connected with the first connecting locking part in an inserting manner; a third locking part and a third connecting locking part are arranged on the third surface; and the junction box is provided with a fourth surface, the fourth surface is provided with a fourth locking part and a fourth connection locking part, the fourth locking part and the third locking part are connected in a concave-convex matching manner, and the fourth connection locking part and the third connection locking part are connected in an inserted manner. The household energy storage device provided by the utility model is ingenious in structural arrangement, the manual assembly connection of the user side during the installation of the battery pack is simplified, the installation efficiency is improved, the wrong installation risk is reduced, and the appearance of the household energy storage device is neat and attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy storage, in particular to a household energy storage device. Background Art

[0002] With the large-scale application and development of photovoltaic power generation systems and batteries, household energy storage devices are widely used due to their advantages such as small floor area and simple maintenance. At present, household energy storage devices are mainly divided into two types. One is a fixed household energy storage device developed based on the daily electricity consumption needs of families, and the other is a small portable household energy storage device developed based on the electricity consumption needs when families go out.

[0003] However, when the above-mentioned existing household energy storage devices are installed at the terminal, they are assembled and connected by a bolt fixing structure on the outside. This not only makes the installation cumbersome, but also makes the disassembly, installation, operation and maintenance difficult, with a high risk of misinstallation and a messy and irregular appearance. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a household energy storage device. The structure of the household energy storage device is ingeniously set, which can simplify the manual assembly connection during the installation of the battery pack at the user end, improve the installation efficiency and reduce the risk of misinstallation, and also make the appearance of the household energy storage device regular and beautiful.

[0005] The utility model provides a household energy storage device, including: a base having a first surface extending along a first direction, on which a first locking portion and a first connection locking portion are provided, and the first locking portion and the first connection locking portion are adjacent to each other along the first direction; a battery pack having a second surface and a third surface, on the second surface a second locking portion and a second connection locking portion are provided, the second locking portion is in concave-convex fit connection with the first locking portion, and the second connection locking portion is in insertion connection with the first connection locking portion; and on the third surface, a third locking portion and a third connection locking portion are provided; and a junction box having a fourth surface, on which a fourth locking portion and a fourth connection locking portion are provided, the fourth locking portion is in concave-convex fit connection with the third locking portion, and the fourth connection locking portion is in insertion connection with the third connection locking portion.

[0006] In a preferred embodiment of the utility model, the fourth surface, the third surface, and the second surface are all parallel to the first surface, and along a second direction, the fourth surface, the third surface, the second surface, and the first surface are sequentially spaced apart, wherein the second direction is perpendicular to the first direction.

[0007] In a preferred embodiment of the utility model, the first locking portion protrudes outward from the first surface along the second direction, and the second locking portion is recessed inward from the second surface along the second direction.

[0008] In a preferred embodiment of the present utility model, a receiving space portion is formed between the first locking portion and the first surface.

[0009] In a preferred embodiment of the present utility model, the first locking portion is in the shape of "Π", "Ω" or "T", and the second locking portion has a cross-section in the shape of "Π".

[0010] In a preferred embodiment of the present utility model, the first connecting and locking portion is arranged as a connector plug head portion, and the second connecting and locking portion is arranged as a connector socket portion.

[0011] In addition, the present utility model also provides a household energy storage device, including: a base having a first surface extending in a first direction, a first locking portion being provided on the first surface, and a first connecting and locking portion being provided on the first locking portion; a battery pack having a second surface and a third surface, a second locking portion being provided on the second surface, and a second connecting and locking portion being provided on the second locking portion, the second locking portion and the first locking portion being connected in a concave-convex fit manner, and the second connecting and locking portion and the first connecting and locking portion being plugged and connected; and a junction box having a fourth surface, a fourth locking portion being provided on the fourth surface, and a fourth connecting and locking portion being provided on the fourth locking portion, the fourth locking portion and the third locking portion being connected in a concave-convex fit manner, and the fourth connecting and locking portion and the third connecting and locking portion being plugged and connected.

[0012] In a preferred embodiment of the present utility model, the fourth surface, the third surface and the second surface are all parallel to the first surface, and along a second direction, the fourth surface, the third surface, the second surface and the first surface are sequentially arranged at intervals, wherein the second direction is perpendicular to the first direction.

[0013] In a preferred embodiment of the present utility model, the first locking portion is a boss portion protruding outward from the first surface along the second direction, and the second locking portion is a groove portion recessed inward from the second surface along the second direction.

[0014] In a preferred embodiment of the present utility model, the first connecting and locking portion is arranged at a corner of the boss portion.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] For the household energy storage device provided by the present utility model, during assembly, first, the second locking part on the second surface of the battery pack is connected in a concave-convex fit with the first locking part on the first surface of the base, and the second connection locking part on the second surface of the battery pack is inserted and connected with the first connection locking part on the first surface of the base. The above double fixed connections enable the battery pack to be quickly and stably installed on the base. Then, the fourth locking part on the fourth surface of the junction box is connected in a concave-convex fit with the third locking part on the third surface of the battery pack, and the fourth connection locking part on the fourth surface of the junction box is inserted and connected with the third connection locking part on the third surface of the battery pack. The above double fixed connections enable the junction box to be quickly and stably installed on the battery pack already installed on the base. Thus, the overall assembly of the household energy storage device is completed quickly, stably, and accurately. Moreover, the above-mentioned locking parts and connection locking parts between the connections are all hidden on the mutually connected surfaces and are not exposed, making the appearance of the household energy storage device regular and beautiful after assembly connection.

[0017] Other features and advantages of the present utility model will be described in the following specification. And, partly, they will be obvious from the specification, or can be understood by implementing the technical solutions of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures and / or processes specifically pointed out in the specification, claims, and drawings. Brief Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the household energy storage device provided in the first embodiment of the present utility model;

[0019] Figure 2 It is a schematic structural diagram of the base in the first embodiment of the present utility model;

[0020] Figure 3 It is a schematic structural diagram of the battery pack in the first embodiment of the present utility model;

[0021] Figure 4 It is a schematic structural diagram of the battery pack from another perspective in the first embodiment of the present utility model;

[0022] Figure 5 It is a schematic structural diagram of the junction box in the first embodiment of the present utility model;

[0023] Figure 6 It is a schematic structural diagram of the base in the second embodiment of the present utility model;

[0024] Figure 7 It is a schematic structural diagram of the battery pack in the second embodiment of the present utility model;

[0025] Figure 8 It is a schematic structural diagram of the battery pack from another perspective in the second embodiment of the present utility model;

[0026] Figure 9 This is a schematic structural diagram of the junction box in the second embodiment of the present utility model;

[0027] Explanation of the reference numerals in the drawings:

[0028] 100 - Household energy storage device;

[0029] 10 - Base, 11 - First surface, 111 - First locking part, 112 - First connection locking part, 12 - Accommodating space part;

[0030] 20 - Battery pack, 21 - Second surface, 211 - Second locking part, 212 - Second connection locking part, 22 - Third surface, 221 - Third locking part, 222 - Third connection locking part;

[0031] 30 - Junction box, 31 - Fourth surface, 311 - Fourth locking part, 312 - Fourth connection locking part;

[0032] 10a - Base, 11a - First surface, 111a - First locking part, 1111a - First connection locking part;

[0033] 20a - Battery pack, 21a - Second surface, 211a - Second locking part, 2111a - Second connection locking part, 22a - Third surface, 221a - Third locking part, 2211a - Third connection locking part;

[0034] 30a - Junction box, 31a - Fourth surface, 311a - Fourth locking part, 3111a - Fourth connection locking part; Specific embodiments

[0035] The following will combine the drawings and embodiments to detail the implementation manners of the present utility model, so as to fully understand how the present utility model uses technical means to solve technical problems and achieve the implementation process of technical effects, and be implemented accordingly. It should be noted that these specific descriptions only make it easier and clearer for those of ordinary skill in the art to understand the present utility model, rather than a restrictive interpretation of the present utility model; for example, the first and second mentioned in the embodiments of the present utility model do not constitute a limitation, but are only used to represent the serial numbers of multiple identical or similar devices and mechanisms. Those of ordinary skill in the art can also re - adjust these serial numbers during the process of expressing conveniently or sorting out technical solutions; moreover, in different embodiments, alternative solutions are described for some mechanisms, and these alternatives can also be applied to other identical or similar devices and mechanisms; and as long as there is no conflict, the various embodiments in the present utility model and the various features in each embodiment can be combined with each other, and the formed technical solutions are all within the protection scope of the present utility model.

[0036] The technical solutions of the present utility model will be described in detail below through the drawings and specific embodiments: Example 1:

[0037] Refer to Figures 1-5 , this embodiment provides a household energy storage device 100, which includes a base 10, a battery pack 20 and a junction box 30. Specifically:

[0038] The base 10 is used to support the entire household energy storage device 100. The base 10 has a first surface 11 extending in a first direction. A first locking portion 111 and a first connection locking portion 112 are provided on the first surface 11, and the first locking portion 111 and the first connection locking portion 112 are adjacent to each other along the first direction.

[0039] The battery pack 20 is used to store electrical energy to achieve the storage and release of electrical energy. The battery pack 20 has a second surface 21 and a third surface 22. A second locking portion 211 and a second connection locking portion 212 are provided on the second surface 21. Among them, the second locking portion 211 and the first locking portion 111 are connected in a concave-convex fit, and the second connection locking portion 212 and the first connection locking portion 112 are inserted and connected; and a third locking portion 221 and a third connection locking portion 222 are provided on the third surface 22.

[0040] The junction box 30 is used to connect the power and communication cables of an external inverter. The junction box 30 has a fourth surface 31. A fourth locking portion 311 and a fourth connection locking portion 312 are provided on the fourth surface 31. Among them, the fourth locking portion 311 and the third locking portion 221 are connected in a concave-convex fit, and the fourth connection locking portion 312 and the third connection locking portion 222 are inserted and connected.

[0041] For the household energy storage device 100 provided in this embodiment, during assembly, first, the second locking portion 211 on the second surface 21 of the battery pack 20 is connected to the first locking portion 111 on the first surface 11 of the base 10 in a concave-convex fit, and the second connection locking portion 212 on the second surface 21 of the battery pack 20 is inserted and connected to the first connection locking portion 112 on the first surface 11 of the base 10. The above double fixed connections enable the battery pack 20 to be quickly and stably installed on the base 10; then, the fourth locking portion 311 on the fourth surface 31 of the junction box 30 is connected to the third locking portion 221 on the third surface 22 of the battery pack 20 in a concave-convex fit, and the fourth connection locking portion 312 on the fourth surface 31 of the junction box 30 is inserted and connected to the third connection locking portion 222 on the third surface 22 of the battery pack 20. The above double fixed connections enable the junction box 30 to be quickly and stably installed on the battery pack 20 that has been installed on the base 10. Thus, the overall assembly of the household energy storage device 100 is completed quickly, stably and accurately, and the above-mentioned locking portions and connection locking portions between the connections are all hidden on the mutually connected surfaces and are not exposed, making the appearance of the household energy storage device 100 regular and beautiful after assembly and connection.

[0042] In this embodiment, the fourth surface 31, the third surface 22, and the second surface 21 are all parallel to the first surface 11, and along the second direction, the fourth surface 31, the third surface 22, the second surface 21, and the first surface 11 are sequentially arranged at intervals, wherein the second direction is perpendicular to the first direction; with such an arrangement, the connection surfaces between the base 10, the battery pack 20, and the junction box 30 are neatly connected without being abrupt, the connection is stable, and the structure is coordinated.

[0043] In this embodiment, preferably, the first locking portion 111 protrudes outward from the first surface 11 along the second direction, and the second locking portion 211 is recessed inward from the second surface 21 along the second direction, so that the first locking portion 111 is inserted into the second locking portion 211 from bottom to top to smoothly achieve the concave-convex fit connection.

[0044] Preferably, referring to Figure 2 , a receiving space portion 12 is formed between the first locking portion 111 and the first surface 11. The receiving space portion 12 is provided with a space for receiving a hand or a tool during operation, which is convenient for lifting the entire base 10 through the receiving space portion 12 and carrying it to a designated position.

[0045] In this embodiment, preferably, the first locking portion 111 is in a "Π" shape or an "Ω" shape or a "T" shape. Correspondingly, the second locking portion 211 has a cross-section in a "Π" shape, that is, the second locking portion 211 is arranged as a square groove that can be inserted by the first locking portion 111; with such a clever structural arrangement, the connection between the first locking portion 111 and the second locking portion 211 is stable.

[0046] In this embodiment, the first connection locking portion 112 is arranged as a connector plug head, and the second connection locking portion 212 is arranged as a connector socket portion; with the plug-and-socket structure connection as above, further, the battery pack 20 can be quickly and stably installed on the base 10.

[0047] In this embodiment, the third locking portion 221 and the first locking portion 111 have the same structural arrangement, and the second locking portion 211 and the fourth locking portion 311 have the same structural arrangement; the third connection locking portion 222 and the first connection locking portion 112 have the same structural arrangement, and the fourth connection locking portion 312 and the second connection locking portion 212 have the same structural arrangement. Embodiment Two:

[0048] Referring to Figures 6-9 , this embodiment provides another household energy storage device, which includes a base 10a, a battery pack 20a, and a junction box 30a. Specifically:

[0049] The base 10a has a first surface 11a formed by extending along a first direction. A first locking portion 111a is provided on the first surface 11a, and a first connection locking portion 1111a is provided on the first locking portion 111.

[0050] The battery pack 20a has a second surface 21a and a third surface 22a. A second locking portion 211a is provided on the second surface 21a, and a second connection locking portion 2111a is provided on the second locking portion 211a. Among them, the second locking portion 211a and the first locking portion 111a are connected in a concave-convex fit, and the second connection locking portion 2111a and the first connection locking portion 1111a are inserted and connected; and a third locking portion 221a is provided on the third surface 22a, and a third connection locking portion 2211a is provided on the third locking portion 221a.

[0051] The junction box 30a has a fourth surface 31a. A fourth locking portion 311a is provided on the fourth surface 31a, and a fourth connection locking portion 3111a is provided on the fourth locking portion 311a. Among them, the fourth locking portion 311a and the third locking portion 221a are connected in a concave-convex fit, and the fourth connection locking portion 3111a and the third connection locking portion 2211a are inserted and connected.

[0052] When assembling the household energy storage device provided in this embodiment, after the second locking portion 211a on the second surface 21a of the battery pack 20a is connected in a concave-convex fit with the first locking portion 111a on the first surface 11a of the base 10a, the above concave-convex fit connection surrounds the insertion connection between the second connection locking portion 2111a on the second locking portion 211a of the battery pack 20a and the first connection locking portion 1111a on the first locking portion 111a of the base 10a, that is, the above concave-convex fit connection surrounds the above insertion connection, forming an enclosed double fixed connection, so that the battery pack 20a can be quickly and stably installed on the base 10a; the installation of the junction box 30a on the battery pack 20a is the same as above; that is, the overall assembly of the household energy storage device is fast, stable and accurate, and the above locking portions and connection locking portions between the connections are all hidden on the mutually connected surfaces and do not protrude, making the appearance of the household energy storage device regular and beautiful after assembly connection.

[0053] In this embodiment, the fourth surface 31a, the third surface 22a, and the second surface 21a are all parallel to the first surface 11a, and along a second direction, the fourth surface 31a, the third surface 22a, the second surface 21a, and the first surface 11a are sequentially arranged at intervals, where the second direction is perpendicular to the first direction; such a setting makes the connection between the mutually connected surfaces of the base 10a, the battery pack 20a and the junction box 30a neat and not obtrusive, the connection is stable, and the structure is coordinated.

[0054] See Figure 6, the first locking portion 111a is a boss portion protruding outward from the first surface 11a in the second direction, and the second locking portion 211a is a groove portion recessed inward from the second surface 21a in the second direction; the concave-convex fit connection between the boss portion and the groove portion enables a sealed connection between the battery pack 20a and the base 10a, achieving a waterproof effect.

[0055] In this embodiment, the first connection and locking portion 1111a is provided at a corner of the boss portion, that is, the first connection and locking portion 1111a is provided adjacent to the concave-convex fit connection of the boss portion and the groove portion, which can increase the stability and strength of the connection.

[0056] The principles of others are the same as those of the first embodiment above, and will not be elaborated here.

[0057] Finally, it should be noted that the above description is only the best embodiment of the present invention, and does not impose any formal limitations on the present invention. Any person skilled in the art can make many possible changes and simple substitutions to the technical solution of the present invention by using the disclosed methods and technical content within the scope of the technical solution of the present invention. These all belong to the scope protected by the technical solution of the present invention.

Claims

1. A household energy storage device, characterized in that, Comprising: A base having a first surface extending along a first direction, on which a first locking portion and a first connection locking portion are provided, and the first locking portion and the first connection locking portion are adjacently arranged along the first direction; A battery pack having a second surface and a third surface, on the second surface a second locking portion and a second connection locking portion are provided, the second locking portion is in concave-convex fit connection with the first locking portion, and the second connection locking portion is in plug-in connection with the first connection locking portion; and on the third surface a third locking portion and a third connection locking portion are provided; and, A junction box having a fourth surface, on which a fourth locking portion and a fourth connection locking portion are provided, the fourth locking portion is in concave-convex fit connection with the third locking portion, and the fourth connection locking portion is in plug-in connection with the third connection locking portion.

2. The household energy storage device according to claim 1, wherein The fourth surface, the third surface, and the second surface are all parallel to the first surface, and along a second direction, the fourth surface, the third surface, the second surface, and the first surface are sequentially spaced apart, wherein the second direction is perpendicular to the first direction.

3. The household energy storage device according to claim 2, wherein The first locking portion protrudes outward from the first surface along the second direction, and the second locking portion is recessed inward from the second surface along the second direction.

4. The household energy storage device according to claim 3, wherein A receiving space portion is formed between the first locking portion and the first surface.

5. The household energy storage device according to claim 4, wherein, The first locking portion is in a "Π" shape or an "Ω" shape or a "T" shape, and the second locking portion has a cross-section in a "Π" shape.

6. The household energy storage device according to any one of claims 1-5, characterized in that, The first connection locking portion is provided as a connector plug head, and the second connection locking portion is provided as a connector socket portion.

7. A household energy storage device, characterized in that, Comprising: A base having a first surface extending along a first direction, on which a first locking portion is provided, and a first connection locking portion is provided on the first locking portion; A battery pack having a second surface and a third surface, on the second surface a second locking portion is provided, and a second connection locking portion is provided on the second locking portion, the second locking portion is in concave-convex fit connection with the first locking portion, and the second connection locking portion is in plug-in connection with the first connection locking portion; and on the third surface a third locking portion is provided, and a third connection locking portion is provided on the third locking portion; and, A junction box having a fourth surface, on which a fourth locking portion is provided, and a fourth connection locking portion is provided on the fourth locking portion, the fourth locking portion is in concave-convex fit connection with the third locking portion, and the fourth connection locking portion is in plug-in connection with the third connection locking portion.

8. The household energy storage device according to claim 7, characterized in that, The fourth surface, the third surface, and the second surface are all parallel to the first surface, and along a second direction, the fourth surface, the third surface, the second surface, and the first surface are sequentially spaced apart, wherein the second direction is perpendicular to the first direction.

9. The household energy storage device according to claim 8, wherein, The first locking portion is a boss portion protruding outward from the first surface along the second direction, and the second locking portion is a groove portion recessed inward from the second surface along the second direction.

10. The household energy storage device according to claim 9, characterized in that, The first connection locking portion is provided at a corner of the boss portion.

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