Distributed photovoltaic energy storage device

Abstract

The utility model discloses a distributed photovoltaic energy storage device, which comprises a cabinet body and photovoltaic energy storage batteries, the photovoltaic energy storage batteries comprise battery box bodies and energy storage batteries, the cabinet body is divided into a left chamber and a right chamber through a middle partition plate which is vertically arranged, and a plurality of photovoltaic energy storage batteries are arranged in the left chamber and the right chamber. A supporting device is arranged between the middle partition plate and the inner wall of the cabinet body; an upper through hole is formed in the upper part of the middle partition plate; an induced draft fan is arranged at the bottom of the right cavity. An air inlet and an air outlet are formed in the lower portion of the cabinet body. When air circulation is needed in the cabinet body and heat in the cabinet body is diffused to the outside, the induced draft fan is started to introduce external air through the air inlet, and the air flows upwards from the bottom of the right cavity, enters the top in the left cavity through the upper through hole and is discharged out of the cabinet through the air outlet, so that air circulation in the cabinet body is realized, and heat dissipation is realized. By arranging the energy storage battery in the cabinet body in a suspended manner, the occupation of the internal space of the cabinet body is reduced, the heat dissipation space is increased, and the air flow smoothness is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic energy storage technical field, concretely relates to a kind of distributed photovoltaic energy storage device. BACKGROUND

[0002] Photovoltaic energy storage device is mainly used to store the electric energy generated by solar photovoltaic module, realize the storage and release of energy, and can be connected to the grid to realize the energy bidirectional transmission and conversion between energy storage device and the grid. Among them, the energy storage batteries in photovoltaic energy storage device are mostly concentrated in energy storage cabinet, and multiple supporting plates are assembled in the energy storage cabinet. The energy storage batteries are placed on the supporting plates in a high-low manner. This way, the space below the energy storage batteries is relatively closed due to the influence of the supporting plates, affecting the air flow in the cabinet. When heat diffusion is needed in the cabinet, the diffusion efficiency is affected to some extent. Therefore, further research can be conducted on the storage of energy storage batteries. SUMMARY

[0003] In view of the above technical problems, the purpose of the utility model is to provide a distributed photovoltaic energy storage device facilitating air flow.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] The distributed photovoltaic energy storage device comprises a cabinet, photovoltaic energy storage batteries in the cabinet, and the photovoltaic energy storage batteries comprise a battery box body and energy storage batteries in the battery box body, characterized in that

[0006] The cabinet is divided into a left chamber and a right chamber by a vertically arranged middle partition plate,

[0007] A plurality of photovoltaic energy storage batteries are placed in the left chamber and the right chamber in an up-down manner,

[0008] A supporting device is arranged between the middle partition plate and the inner wall of the cabinet to suspend the photovoltaic energy storage batteries,

[0009] The upper part of the middle partition plate is provided with an upper through hole; an air blower is arranged at the bottom of the right chamber to introduce air from outside the cabinet and blow it towards the top of the right chamber; an air inlet and an air outlet are arranged at the lower part of the cabinet.

[0010] As a further embodiment, the supporting device comprises a left supporting structure arranged in the left chamber and a right supporting structure arranged in the right chamber and identical to the left supporting structure;

[0011] The left side of the battery box body is fixedly provided with a left block group, and the right side is fixedly provided with a right block group;

[0012] The left supporting structure comprises a left supporting assembly supporting the left block group and a right supporting assembly supporting the right block group;

[0013] The left supporting assembly is assembled to the inner wall of the cabinet body, and the right supporting assembly is assembled to the side wall of the middle partition plate.

[0014] As a further embodiment, the left supporting assembly comprises a left upper L-shaped supporting plate and a left lower L-shaped supporting plate fixedly connected to the inner wall of the cabinet body.

[0015] The right supporting assembly comprises a right upper L-shaped supporting plate and a right lower L-shaped supporting plate fixedly connected to the side wall of the middle partition plate.

[0016] The left supporting block group comprises a left upper supporting block and a left lower supporting block, and the right supporting block group comprises a right upper supporting block and a right lower supporting block.

[0017] The left upper supporting block is arranged on the left upper L-shaped supporting plate, and the left lower supporting block is arranged on the left lower L-shaped supporting plate.

[0018] The right upper supporting block is arranged on the right upper L-shaped supporting plate, and the right lower supporting block is arranged on the right lower L-shaped supporting plate.

[0019] As a further embodiment, the lower end of the left upper L-shaped supporting plate and the upper end of the left lower L-shaped supporting plate are formed to be abutted, and an insertion type left limiting structure is arranged between the abutted positions.

[0020] The lower end of the right upper L-shaped supporting plate and the upper end of the right lower L-shaped supporting plate are formed to be abutted, and an insertion type right limiting structure is arranged between the abutted positions.

[0021] As a further embodiment, a plurality of supporting strips arranged in an up-down manner are arranged between the side wall of the middle partition plate and the inner wall of the cabinet body.

[0022] As a further embodiment, a left bottom partition plate arranged in a horizontal direction is arranged at the bottom of the left chamber, and a left bottom chamber is formed between the left bottom partition plate and the bottom wall of the left chamber.

[0023] A right bottom partition plate arranged in a horizontal direction is arranged at the bottom of the right chamber, and a right bottom chamber is formed between the right bottom partition plate and the bottom wall of the right chamber.

[0024] An air suction fan is arranged in the right bottom chamber, and a mounting through hole is formed in the right bottom partition plate, and the outlet of the air suction fan is communicated with the mounting through hole through an air suction pipeline.

[0025] As a further embodiment, a filter screen is arranged at the air inlet and the air outlet.

[0026] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0027] When air flow in the cabinet is needed, the heat in the cabinet is diffused to the outside, the air induction fan is started to introduce the outside air through the air inlet, the air flows upward from the bottom of the right chamber and enters the top of the left chamber through the upper through hole, and is discharged from the air outlet, so that the air flow in the cabinet is realized, the outside air is introduced, and the energy storage battery is arranged in the cabinet in a suspended manner, the internal space of the cabinet is reduced, the heat dissipation space is increased, and the air flow smoothness is improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a front structure schematic view of the utility model;

[0029] Figure 2 It is a side structure schematic view of the utility model;

[0030] Figure 3 It is an internal structure schematic view of the utility model;

[0031] Figure 4 It is an A part enlarged schematic view in Figure 3

[0032] Figure 5 It is a structure schematic view of a single energy storage battery in the utility model;

[0033] The signs in the drawings represent as follows:

[0034] 10, cabinet, 11, battery box body, 12, middle partition, 13, left chamber, 14, right chamber, 15, upper through hole, 16, air induction fan, 17, air inlet, 18, air outlet, 19, left upper L-shaped support plate, 20, left lower L-shaped support plate, 21, right upper L-shaped support plate, 22, right lower L-shaped support plate, 23, left upper supporting block, 24, left lower supporting block, 25, right upper supporting block, 26, right lower supporting block, 27, left limiting structure, 28, right limiting structure, 29, supporting strip, 30, left bottom partition, 31, left bottom chamber, 32, right bottom partition, 33, right bottom chamber, 34, upper door plate, 35, lower door plate, 36, mounting through hole, 37, air induction pipe, 38, filter screen, 39, annular body, 40, net body, 41, connecting ring, 42, lifting ring. DETAILED DESCRIPTION

[0035] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] Please refer to Figures 1-5 ​As shown, the distributed photovoltaic energy storage device comprises a cabinet 10, photovoltaic energy storage batteries in the cabinet 10, the photovoltaic energy storage batteries are used for storing the electric energy generated by the solar panels, and the photovoltaic energy storage batteries comprise a battery box body 11 and energy storage batteries in the battery box body 11.

[0037] The cabinet 10 is divided into a left chamber 13 and a right chamber 14 by a vertically arranged middle partition plate 12. A plurality of photovoltaic energy storage batteries are arranged in the left chamber 13 and the right chamber 14 in a top-down manner. A support device is arranged between the middle partition plate 12 and the inner wall of the cabinet 10 to support the photovoltaic energy storage batteries in a suspended manner, thereby reducing the occupation of the internal space and increasing the heat dissipation space.

[0038] The upper part of the middle partition plate 12 is provided with an upper through hole 15 which communicates the top of the left chamber 13 and the top of the right chamber 14. An air blower 16 is arranged at the bottom of the right chamber 14 to introduce the external air into the right chamber 14. An air inlet 17 and an air outlet 18 are arranged at the lower part of the cabinet 10. The air inlet 17 is arranged at one side of the lower part of the cabinet 10, and the air outlet 18 is arranged at the other side of the lower part of the cabinet 10. When the air in the cabinet 10 needs to flow and the heat in the cabinet 10 needs to be diffused to the outside, the air blower 16 is started to introduce the external air into the cabinet 10 through the air inlet 17. The air flows upward from the bottom of the right chamber 14, enters the left chamber 13 through the upper through hole 15, and is discharged to the outside through the air outlet 18, thereby realizing the air flow in the cabinet 10 and introducing the external air into the cabinet 10.

[0039] In some embodiments, the support device comprises a left support structure arranged in the left chamber 13 and a right support structure arranged in the right chamber 14 and identical to the left support structure. The left support structure supports the energy storage batteries in the left chamber 13, and the right support structure supports the energy storage batteries in the right chamber 14. Since the right support structure is identical to the left support structure, the support relationship between the left support structure and the energy storage batteries in the left chamber 13 will be mainly introduced below. In order to better connect the battery box body 11 and the left support structure, a left block group is fixedly arranged on the left side of each battery box body 11, and a right block group is fixedly arranged on the right side of each battery box body 11. The left support structure comprises a left support assembly supporting the left block group and a right support assembly supporting the right block group. The left support assembly is assembled to the inner wall of the cabinet 10, and the right support assembly is assembled to the side wall of the middle partition plate 12, so that the energy storage batteries are assembled in a suspended manner at the lower part of the left chamber 13.

[0040] In some embodiments, the left support assembly includes a left upper L-shaped support plate 19 and a left lower L-shaped support plate 20 fixedly connected to the inner wall of the cabinet body 10 by bolts, the left upper L-shaped support plate 19 is arranged downward, and the left lower L-shaped support plate 20 is arranged upward; one end of the L-shaped support plate is a connecting end, and the other end is a supporting end; the right support assembly includes a right upper L-shaped support plate 21 and a right lower L-shaped support plate 22 fixedly connected to the side wall of the intermediate partition plate 12 by bolts, the right upper L-shaped support plate 21 is arranged downward, and the right lower L-shaped support plate 22 is arranged upward; the left support block group includes a left upper support block 23 and a left lower support block 24, and the right support block group includes a right upper support block 25 and a right lower support block 26; the length of the L-shaped support plate is not less than the front-to-back width of the battery box body 11, and the length of the support block is the same as the front-to-back width of the battery box body 11, that is, the support block is arranged to extend along the side wall of the battery box body 11, so as to increase the supporting surface between the support block and the L-shaped support plate and improve the supporting capacity.

[0041] In some embodiments, the left upper support block 23 is arranged on the left upper L-shaped support plate 19, the left lower support block is arranged on the left lower L-shaped support plate 20, the right upper support block is arranged on the right upper L-shaped support plate 21, and the right lower support block is arranged on the right lower L-shaped support plate 22. The support block and the L-shaped support plate can be fixedly connected by bolts to avoid movement between the support block and the L-shaped support plate.

[0042] In some embodiments, the lower end of the left upper L-shaped support plate 19 and the upper end of the left lower L-shaped support plate 20 are in abutment, and an insertion type left limiting structure 27 is arranged between the abutment; the lower end of the right upper L-shaped support plate 21 and the upper end of the right lower L-shaped support plate 22 are in abutment, and an insertion type right limiting structure 28 is arranged between the abutment. The abutment can enable the L-shaped support plates to support each other, and the limiting structure can further enhance the bonding force between the L-shaped support plates. The limiting structure can be realized by the insertion mode of pin and hole.

[0043] In some embodiments, a plurality of support strips 29 arranged upward and downward are arranged between the side wall of the intermediate partition plate 12 and the inner wall of the cabinet body 10, so as to enhance the strength between the cabinet body 10 and the intermediate partition plate 12.

[0044] In some embodiments, the left chamber 13 is provided with a left bottom partition 30 arranged horizontally at the bottom of the left chamber 13, the left bottom partition 30 is provided with a flow hole for air flow, and a left bottom chamber 31 is formed between the left bottom partition 30 and the bottom wall of the left chamber 13; the right chamber 14 is provided with a right bottom partition 32 arranged horizontally at the bottom of the right chamber 14, and a right bottom chamber 33 is formed between the right bottom partition 32 and the bottom wall of the right chamber 14; the left bottom chamber 31 and the right bottom chamber 33 can be used as wiring chambers to separate the wiring chambers from the energy storage battery area, so that a wire hole is formed in the left bottom partition 30 and the right bottom partition 32, and a wiring port is formed in the back of the lower part of the cabinet 10 to connect with the external solar panel.

[0045] In some embodiments, the air suction fan 16 is arranged in the right bottom chamber 33, and a mounting hole 36 is formed in the right bottom partition 32, the outlet of the air suction fan 16 is connected with the mounting hole 36 through an air suction pipe 37, and the two ends of the air suction pipe 37 are connected with the mounting hole 36 below and the outlet of the air suction fan 16 through flanges.

[0046] In some embodiments, the air inlet 17 and the air outlet 18 are respectively provided with a filter screen 38. The filter screen 38 comprises a ring body 39 and a mesh body 40 in the ring body 39, one end of the ring body 39 is bent outward by 90° to form a connecting ring 41, and the connecting ring 41 is assembled on the cabinet 10 through screws.

[0047] In some embodiments, a lifting ring 42 is fixedly connected to the four corners of the top of the cabinet 10, which facilitates the lifting of the cabinet 10.

[0048] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A distributed photovoltaic energy storage device, comprising a cabinet, photovoltaic energy storage batteries in the cabinet, the photovoltaic energy storage batteries comprising battery boxes and energy storage batteries in the battery boxes, characterized in that the cabinet is divided into a left chamber and a right chamber by a vertically arranged middle partition plate, the left chamber and the right chamber each have a plurality of photovoltaic energy storage batteries placed in an up-down manner, a support device is arranged between the middle partition plate and the inner wall of the cabinet to support the photovoltaic energy storage batteries in a suspended manner, the upper part of the middle partition plate is provided with an upper through hole; an air guide fan is arranged at the bottom of the right chamber to introduce air from outside the cabinet and blow it towards the top of the right chamber; an air inlet and an air outlet are arranged at the lower part of the cabinet. The support device comprises a left support structure arranged in the left chamber and a right support structure arranged in the right chamber and identical to the left support structure; 2. The distributed photovoltaic energy storage device of claim 1, wherein, the left side of the battery box is fixedly provided with a left block group, and the right side is fixedly provided with a right block group; the left support structure comprises a left support assembly supporting the left block group and a right support assembly supporting the right block group; the left support assembly is assembled to the inner wall of the cabinet, and the right support assembly is assembled to the side wall of the middle partition plate. The left support assembly comprises a left upper L-shaped support plate and a left lower L-shaped support plate fixedly connected to the inner wall of the cabinet.

3. The distributed photovoltaic energy storage device of claim 1, wherein, The right support assembly comprises a right upper L-shaped support plate and a right lower L-shaped support plate fixedly connected to the side wall of the middle partition plate. The left block group comprises a left upper block and a left lower block, and the right block group comprises a right upper block and a right lower block. The left upper block is arranged on the left upper L-shaped support plate, and the left lower block is arranged on the left lower L-shaped support plate. The right upper block is arranged on the right upper L-shaped support plate, and the right lower block is arranged on the right lower L-shaped support plate. The lower end of the left upper L-shaped support plate and the upper end of the left lower L-shaped support plate are in abutment, and an insertion type left limiting structure is arranged between the abutment.

4. The distributed photovoltaic energy storage device of claim 3, wherein, The lower end of the right upper L-shaped support plate and the upper end of the right lower L-shaped support plate are in abutment, and an insertion type right limiting structure is arranged between the abutment. A plurality of support strips arranged in an up-down manner are arranged between the side wall of the middle partition plate and the inner wall of the cabinet.

5. The distributed photovoltaic energy storage device of claim 1, wherein, A left bottom partition plate arranged in a horizontal direction is arranged at the bottom of the left chamber, and a left bottom chamber is formed between the left bottom partition plate and the bottom wall of the left chamber.

6. The distributed photovoltaic energy storage device of claim 1, wherein, A right bottom partition plate arranged in a horizontal direction is arranged at the bottom of the right chamber, and a right bottom chamber is formed between the right bottom partition plate and the bottom wall of the right chamber. The air guide fan is arranged in the right bottom chamber, and a mounting through hole is arranged on the right bottom partition plate, and the outlet of the air guide fan is in communication with the mounting through hole through an air guide pipeline. A filter screen is arranged at the air inlet and the air outlet.

7. The distributed photovoltaic energy storage device of claim 1, wherein, ​

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