CN215378803U

CN215378803U - Photovoltaic energy storage cabinet

Info

Publication number: CN215378803U
Application number: CN202121112712.4U
Authority: CN
Inventors: 刘伟
Original assignee: Baoding Chenyangguang Electric Technology Co ltd
Current assignee: Baoding Chenyangguang Electric Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-31
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to the technical field of energy storage, and particularly discloses a photovoltaic energy storage cabinet, which comprises at least one battery cabinet and a control cabinet, wherein the battery cabinet comprises a main cabinet body and a cover body which are detachably connected, and cable through holes are formed in two sides of the cover body; the main cabinet body comprises a battery pack and an outer shell, wherein a first electrical interface and a second electrical interface are arranged on the top surface of the battery pack; the control cabinet is provided with at least two insertion grooves on an outer vertical surface of one side connected with the battery cabinet, one outer vertical surface of the battery cabinet is provided with an insertion plate matched with the insertion grooves, the other outer vertical surface of the battery cabinet is provided with insertion grooves with the same number and positions as the insertion plates, the adjacent surfaces of the two connected sides of the battery cabinet and the control cabinet are provided with connecting grooves, and threaded holes are formed in the connecting grooves and used for assembling connecting pieces. The utility model discloses a photovoltaic energy storage cabinet simple structure can singly use, also can many parallelly connected uses, has solved under the large capacity installation use scene, and the energy storage cabinet is bulky, and the inconvenient problem of transportation installation has fine expansibility.

Description

Photovoltaic energy storage cabinet

Technical Field

The utility model relates to the technical field of energy storage, in particular to a photovoltaic energy storage cabinet.

Background

The storage and grid connection of electric energy are important in a photovoltaic power generation system, and a photovoltaic energy storage cabinet is a key component of solar photovoltaic power generation.

Current photovoltaic energy memory carries out overall design according to installed capacity usually, and when installed capacity was great, the whole volume of the cabinet body also can grow thereupon, does not utilize transportation and installation, does not also do benefit to the heat dissipation of the internal components and parts of cabinet, influences whole photovoltaic energy memory's operational reliability and life.

In view of the above problems, how to provide a photovoltaic energy storage cabinet with a small single cabinet body and good heat dissipation is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the prior art to a certain extent.

The photovoltaic energy storage cabinet comprises at least one battery cabinet and a control cabinet, wherein the battery cabinet and the control cabinet are physically connected through a plurality of connecting pieces and are electrically connected by matching cables, and the number of the battery cabinets can be expanded according to the installed capacity and the energy storage capacity;

the battery cabinet comprises a main cabinet body and a cover body, wherein the main cabinet body and the cover body are detachably buckled and connected, and cable through holes are formed in two sides of the cover body;

the main cabinet body comprises a battery pack and an outer shell, the outer shell is provided with a downward accommodating cavity, the battery pack is placed in the accommodating cavity and is protected by the cover body, the top surface of the battery pack is provided with a first electrical interface and a second electrical interface, and the two electrical interfaces are used for being connected with cables in an inserting mode;

the outer vertical surface of the side, connected with the battery cabinet, of the control cabinet is provided with at least two insertion grooves, and the bottoms of the insertion grooves are provided with protruding fixture blocks;

an inserting plate matched with the inserting groove is arranged on the outer vertical surface of the side, connected with the control cabinet, of the battery cabinet, a clamping hole is formed in the middle of the inserting plate, and the clamping hole is detachably buckled and connected with the protruding clamping block;

the opposite surface of the battery cabinet and the control cabinet is also provided with inserting grooves with the same number and positions as the inserting plates;

the connecting grooves are arranged on the adjacent surfaces of the two connecting surfaces of the battery cabinet and the control cabinet, the connecting grooves are positioned at the edges of the adjacent surfaces, threaded holes are formed in the connecting grooves and used for connecting the connecting pieces through threaded nuts, the fixed connection between the two adjacent battery cabinets is realized through matching of the connecting pieces and bolts, and the stability after splicing is ensured;

during the concatenation, insert the inserting plate of a battery cabinet in the inserting groove of another battery cabinet earlier, then place the battery cabinet of taking the inserting plate downwards, make the card hole lock of inserting plate to the protruding fixture block of inserting groove on, accomplish the concatenation, during the dismantlement, reverse operation lifts up earlier the battery cabinet of taking the inserting plate upwards, then follow the inserting groove with the inserting plate again can.

Further, the connecting grooves are strip-shaped grooves which penetrate through the outer vertical surface horizontally, one of the connecting grooves is close to the upper part of the outer shell, and the other connecting groove is close to the lower part of the outer shell; this preferred mode aims at providing a spread groove that can cooperate long connecting piece to use, is applicable to more battery cabinet concatenation and uses, has reduced the quantity of connecting piece, has strengthened the firm degree after connecting.

Furthermore, a clamping groove is formed in the edge of the top surface of the main cabinet body, and the cover body is buckled in the clamping groove through a buckle arranged at the edge of the cover body, so that the main cabinet body and the cover body are connected; in order to facilitate the installation and the disassembly, the cover body is connected with the main cabinet body in a buckling connection mode, so that the battery pack and the connecting cable can be maintained and replaced conveniently.

Furthermore, the adjacent surface of the battery cabinet and the control cabinet connected surface is provided with a vent hole.

Further, the ventilation holes are strip-shaped or hollow holes.

Furthermore, the inner wall of the outer shell is provided with ventilation grooves in the vertical direction, and a ventilation groove in the horizontal direction is formed between every two adjacent ventilation grooves.

Furthermore, at least one fan is arranged in the cover body, and the fan blows air from the cover body to the battery pack.

Above-mentioned preferred mode aims at providing a poor structure of solution photovoltaic energy storage cabinet during operation heat dissipation ability, and when photovoltaic energy storage cabinet during operation, the group battery produced a large amount of heats, makes the temperature rise of group battery and the internal space of main cabinet, influences the work of group battery and other components and parts, and this preferred mode structurally provides and is used for ventilation cooling's air duct and ventilation hole, has set up the fan in the function, can make the main cabinet body have good ventilation cooling ability, promotes photovoltaic energy storage device's working property and life.

Furthermore, the control cabinet is also provided with a cabinet door for overhauling and replacing components.

Furthermore, the cable via hole is provided with a sealing rubber block which can enable the cable to pass through, so that the fixing, sealing and waterproof effects are achieved.

Compared with the prior art, the utility model has the overall technical effects that:

the utility model discloses a photovoltaic energy storage cabinet simple structure not only can singly use, also can many parallelly connected uses, has solved under the large capacity installation use scene, and the energy storage cabinet is bulky, and the inconvenient problem of transportation installation can be applicable to various environment and installed capacity, has very profitable technological effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of the battery cabinet of FIG. 1 at a first viewing angle;

FIG. 3 is a schematic diagram of the battery cabinet of FIG. 1 at a second viewing angle;

FIG. 4 is a structural internal view of the cover of FIGS. 2 and 3;

FIG. 5 is a schematic diagram of a first perspective view of the control cabinet of FIG. 1;

FIG. 6 is a schematic diagram of a second perspective view of the control cabinet of FIG. 1;

fig. 7 is a schematic structural diagram of a first view angle of a battery cabinet according to a second embodiment of the utility model;

fig. 8 is a schematic structural diagram of a battery cabinet according to a second viewing angle in the second embodiment of the present invention.

The battery pack is characterized by comprising a battery cabinet 1, a control cabinet 2, a connecting piece 3, a main cabinet body 1a, a cover body 1b, a battery pack 10, a clamping groove 11a, a clamping buckle 11b, a cable through hole 12, a connecting groove 13, a connecting groove 14, a connecting plate 15, a vent hole 16, a fan 17, a cabinet door 21, a vent groove 100, a first electrical interface 101, a second electrical interface 102, a protruding clamping block 141 and a clamping hole 151.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

referring to fig. 1 to 6, the first embodiment of the present invention provides the following implementation:

a photovoltaic energy storage cabinet comprises two battery cabinets 1 and a control cabinet 2, wherein the two battery cabinets 1 comprise a main cabinet body 1a and a cover body 1b, a clamping groove 11a is formed in the edge of the top surface of the main cabinet body 1a, and the cover body 1b is buckled in the clamping groove 11a through a buckle 11b arranged at the edge of the cover body, so that the main cabinet body 1a is connected with the cover body 1 b;

wherein, the two sides of the cover body 1b are also provided with cable through holes 12 through which connecting cables can pass, the cable through holes 12 are clamped with sealing rubber blocks through which the cables can pass, and the cover body 1b is internally provided with two fans 17;

a battery pack 10 is arranged in the main cabinet body 1a, the battery pack 10 is placed in the outer shell, the top surface of the battery pack 10 is exposed, and a first electrical interface 101 and a second electrical interface 102 are arranged on the top surface of the battery pack 10; the inner wall of the outer shell is provided with ventilation grooves 100, a horizontal ventilation groove is formed between every two adjacent ventilation grooves 100, strip-shaped ventilation holes 16 are formed in two opposite surfaces of the outer vertical surface of the outer shell, an upper insertion groove 14 and a lower insertion groove 14 are formed in one of the other two opposite surfaces, a protruding clamping block 141 is arranged at the bottom of each insertion groove 14, an insertion plate 15 is correspondingly arranged on the other surface of each insertion plate 15, and a clamping hole 151 is formed in the middle of each insertion plate 15; based on the structural design of the outer vertical surface, the two battery cabinets 1 can be spliced together, when the two battery cabinets 1 are spliced, the plug board 15 of one battery cabinet 1 is inserted into the plug groove 14 of the other battery cabinet 1, and after the plug board 15 is inserted, the clamping hole 151 on the plug board 15 is downwards buckled on the convex clamping block 141 in the plug groove 14 to complete buckling connection;

in order to ensure that the two battery cabinets 1 are more firmly spliced, four connecting grooves 13 which are distributed up, down, left and right are formed in the edge position of one of the two surfaces provided with the vent holes 16, threaded holes are formed in the connecting grooves 13, after the two battery cabinets 1 are buckled and connected, the connecting grooves 13 on the surfaces of the two battery cabinets 1 are adjacent, and at the moment, the two battery cabinets 1 are fixed by bolts through one connecting piece 3;

the appearance of the control cabinet 2 is the same as that of the battery cabinets 1, and the inserting groove 14 and the connecting groove 13 are also arranged at the same positions, the connection mode of the control cabinet 2 and the battery cabinets 1 is the same as that of the two battery cabinets 1, and the control cabinet 2 is also provided with a cabinet door 21.

In the above embodiment, in order to expand the installed capacity, different numbers of battery cabinets 1 may be connected as necessary.

Example two:

referring to fig. 7-8, a second embodiment of the present invention provides the following implementation:

a photovoltaic energy storage cabinet comprises at least one battery cabinet 1 and a control cabinet 2, wherein the structures of the battery cabinet 1 and the control cabinet 2 are basically the same as the structures of the battery cabinet 1 and the control cabinet 2 in the embodiment, and the difference is that:

the number of the fans 17 in the cover body 1b is 1;

the vent 16 arranged on the outer vertical surface of the outer shell is a strip-shaped vent;

the connecting grooves 13 arranged on the outer vertical surface of the outer shell are horizontally through the connecting grooves on the outer vertical surface and are arranged into two up and down;

the number of the inserting grooves 14 and the inserting plates 15 arranged on the other two outer vertical surfaces of the outer shell is four.

Above-mentioned structure aims at providing the energy storage cabinet under the big installed capacity, because the quantity of battery cabinet 1 is more, sets up spread groove 13 into the bar spread groove that link up, can cooperate the connecting piece 3 that has certain length to use, can further increase the steadiness after connecting, simultaneously, because the energy storage cabinet of big installed capacity is used for the open air more, and the air permeability is better, and the fan that sets up in the shell body can set up to 1, just can satisfy the demand of cooling.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The photovoltaic energy storage cabinet is characterized by comprising at least one battery cabinet (1) and a control cabinet (2), wherein the battery cabinet (1) and the control cabinet (2) are connected through a plurality of connecting pieces (3);

the battery cabinet (1) comprises a main cabinet body (1a) and a cover body (1b), the main cabinet body (1a) and the cover body (1b) are detachably connected in a buckling manner, and cable through holes (12) are formed in two sides of the cover body (1 b);

the main cabinet body (1a) comprises a battery pack (10) and an outer shell, wherein the outer shell is provided with a downward accommodating cavity, the battery pack (10) is placed in the accommodating cavity, and the top surface of the battery pack (10) is provided with a first electrical interface (101) and a second electrical interface (102);

at least two insertion grooves (14) are arranged on the outer vertical surface of the connection surface of the control cabinet (2) and the battery cabinet (1), and a protruding clamping block (141) is arranged at the bottom of each insertion groove (14);

an inserting plate (15) matched with the inserting groove (14) is arranged on the outer vertical surface of the side, connected with the control cabinet (2), of the battery cabinet (1), a clamping hole (151) is formed in the middle of the inserting plate (15), and the clamping hole (151) is detachably connected with the protruding clamping block (141) in a buckling mode;

the opposite surface of the battery cabinet (1) connected with the control cabinet (2) is also provided with plug-in slots (14) with the same number and position as the plug-in boards (15);

the battery cabinet (1) and the control cabinet (2) are respectively provided with a connecting groove (13) on the adjacent surface of the connecting surface of the battery cabinet and the control cabinet, the connecting groove (13) is positioned on the edge of the adjacent surface, and a threaded hole is formed in the connecting groove (13) and used for connecting the connecting piece (3) through a threaded nut.

2. The photovoltaic energy storage cabinet according to claim 1, wherein the connecting slots (13) are strip-shaped slots penetrating horizontally through the outer vertical surface, one of the connecting slots (13) is close to the upper part of the outer shell, and the other connecting slot (13) is close to the lower part of the outer shell.

3. The photovoltaic energy storage cabinet according to claim 1, wherein a clamping groove (11a) is formed in the edge of the top surface of the main cabinet body (1a), and the cover body (1b) is fastened in the clamping groove (11a) through a fastener (11b) arranged on the edge of the cover body to connect the main cabinet body (1a) and the cover body (1 b).

4. A photovoltaic energy storage cabinet according to any one of claims 1-3, characterized in that the side of the battery cabinet (1) adjacent to the side of the control cabinet (2) is provided with a ventilation hole (16).

5. The photovoltaic energy storage cabinet according to claim 4, wherein the ventilation holes (16) are strip-shaped or hollow holes.

6. The photovoltaic energy storage cabinet according to claim 5, wherein the inner wall of the outer casing is provided with ventilation grooves (100) in a vertical direction, and a ventilation groove in a horizontal direction is formed between two adjacent ventilation grooves (100).

7. A photovoltaic energy storage cabinet according to claim 6, characterized in that at least one fan (17) is arranged in the cover body (1b), and the fan (17) blows air from the cover body (1b) to the battery pack (10).

8. A photovoltaic energy storage cabinet according to any one of claims 1, 2, 3, 5, 6 and 7, characterized in that the control cabinet (2) is further provided with a cabinet door (21).

9. The photovoltaic energy storage cabinet according to claim 8, wherein a sealing rubber block for passing the cable is arranged at the cable through hole (12).