Outdoor rainproof photovoltaic energy storage battery box

Abstract

The utility model relates to the technical field of photovoltaic energy storage, in particular to an outdoor rainproof photovoltaic energy storage battery box. The energy storage device comprises an energy storage box body, a heat insulation plate is vertically arranged in the energy storage box body, the heat insulation plate divides an inner cavity of the energy storage box body into a battery cavity and a control cavity, and the battery cavity and the control cavity are located at the front end and the rear end of the heat insulation plate respectively; air inlets are formed in the left side face and the right side face of the energy storage box body and communicate with the battery cavity, a plurality of horizontally-arranged fixing plates are arranged in the air inlets and distributed at equal intervals in the height direction, and a first rain shielding piece is fixed to each fixing plate; an air outlet is formed in the top of the front end face of the energy storage box, and a plurality of second rain shielding pieces are arranged in the air outlet and distributed at equal intervals in the height direction. The rain shielding pieces are arranged at the air inlet and the air outlet of the battery cavity, so that rainwater is prevented from entering the battery cavity to influence the normal work of the energy storage battery.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic energy storage, in particular to an outdoor rainproof photovoltaic energy storage battery box. Background Art

[0002] With the continuous development of society, energy is becoming less and less, and outdoor photovoltaic energy storage systems have developed rapidly. Outdoor photovoltaic energy storage systems generally place multiple energy storage batteries in a sealed box. The energy storage batteries will emit a large amount of heat when in use. If this heat remains in the sealed box, it will affect the normal operation of the energy storage batteries, and the energy storage batteries need to be cooled in time. In the prior art, in order to be able to dissipate the heat of the energy storage batteries in time, a heat dissipation window is generally set on the side of the box. However, under outdoor conditions, rainwater on rainy days can easily enter the sealed box through the heat dissipation window, affecting the normal operation of the energy storage components. Utility Model Content

[0003] In view of the shortcomings of the above-mentioned existing production technology, the present application provides an outdoor rainproof photovoltaic energy storage battery box, which can not only improve the heat dissipation effect of the energy storage battery, but also prevent outdoor rainwater from entering the box and affecting the normal operation of the energy storage components.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A rainproof outdoor photovoltaic energy storage battery box comprises an energy storage box body, a heat insulation board is vertically arranged in the energy storage box body, the heat insulation board divides the inner cavity of the energy storage box body into a battery cavity and a control cavity, and the battery cavity and the control cavity are respectively located at the front and rear ends of the heat insulation board; air inlets are arranged on the left and right sides of the energy storage box body, the air inlets are connected with the battery cavity, a plurality of horizontally arranged fixed plates are arranged in the air inlet, the plurality of fixed plates are equidistantly distributed along the height direction, and a first rain shield is fixed on each fixed plate; an upper partition is horizontally arranged on the upper part of the energy storage box body, an exhaust cavity is formed between the upper partition and the top plate of the energy storage box body, two air inlets are arranged on the upper partition, the two air inlets connect the exhaust cavity and the battery cavity, and an exhaust fan is arranged in each of the two air inlets; an air outlet is arranged on the top of the front end surface of the energy storage box body, a plurality of second rain shields are arranged in the air outlet, and the plurality of second rain shields are equidistantly distributed along the height direction.

[0006] Furthermore, a plurality of energy storage battery racks are arranged in the battery cavity, the plurality of energy storage battery racks are distributed along the height direction, and an energy storage battery is placed on each energy storage battery rack.

[0007] Furthermore, the energy storage battery rack includes two battery support plates that are symmetrically arranged on the left and right sides, and the two battery support plates are respectively connected to the left and right side walls of the battery cavity by bolts, and the two battery support plates respectively support the left and right sides of the bottom of an energy storage battery.

[0008] Furthermore, a plurality of heat dissipation holes are arranged on the bottom end surface of the energy storage box, and the plurality of heat dissipation holes connect the control cavity with the air outside the box, and support frames are arranged on the left and right sides of the bottom of the energy storage box respectively.

[0009] Furthermore, a switch, an EMS controller, a DC circuit breaker, an inverter and an AC circuit breaker are arranged in the control cavity. The switch is connected to the energy storage battery through the DC circuit breaker, the inverter is electrically connected to the AC circuit breaker, the AC circuit breaker can be connected to the city power supply network, and the EMS controller is electrically connected to the switch and the inverter respectively.

[0010] Furthermore, a front box door and a rear box door that can be opened and closed are respectively provided at the front and rear ends of the energy storage box body. The front box door can close the battery cavity, and the rear box door can close the control cavity.

[0011] Furthermore, the first rain shield is arranged to be inclined from inside to outside and from top to bottom.

[0012] Furthermore, the second rain shield is a V-shaped structure.

[0013] Furthermore, a plurality of drainage holes are arranged on the outer side surface of the second rain shield sheet, and the plurality of drainage holes are evenly distributed along the length direction of the outer side surface of the second rain shield sheet.

[0014] The beneficial effects of the utility model are as follows:

[0015] The air inlet and air outlet of the battery cavity of the utility model are both provided with rain shields to prevent rainwater from entering the battery cavity and affecting the normal operation of the energy storage battery; the air inlet and air outlet of the battery cavity of the utility model are arranged in different directions to prevent the hot air from the air outlet from being sucked into the air inlet and affecting the heat dissipation effect; the air inlet of the utility model is located lower than the air outlet, and the hot air from the air outlet is discharged obliquely upward to form a heat dissipation channel from bottom to top, thereby improving the heat dissipation effect; the heat dissipation channels of the control cavity and the battery cavity are independently arranged by the utility model so as not to affect each other, thereby improving the overall heat dissipation effect of the box body and ensuring the normal operation of each component in the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front perspective stereogram of the present invention.

[0017] Figure 2 It is a three-dimensional view from the back side of the utility model.

[0018] Figure 3 This is the front view of the utility model after removing the front door.

[0019] Figure 4 This is a rear view of the utility model without the rear door.

[0020] Figure 5 It is a half-section view of the utility model.

[0021] Figure 6 This is a structural diagram of the air outlet of the utility model.

[0022] Among them: 1. Energy storage box; 2. Heat insulation board; 3. Battery cavity; 4. Control cavity; 5. Front box door; 6. Rear box door; 7. Energy storage battery; 8. Battery support plate; 9. Switch; 10. EMS controller; 11. DC circuit breaker; 12. Inverter; 13. AC circuit breaker; 14. Support frame; 15. Heat dissipation hole; 16. Air inlet; 17. First rain shield; 18. Fixed plate; 19. Upper partition; 20. Exhaust cavity; 21. Exhaust fan; 22. Air outlet; 23. Second rain shield; 24. Drain hole. DETAILED DESCRIPTION

[0023] The specific implementation of the utility model is described below in conjunction with the accompanying drawings.

[0024] like Figure 3 and Figure 4 As shown, an outdoor rainproof photovoltaic energy storage battery box includes an energy storage box body 1, and an insulation board 2 is vertically arranged in the energy storage box body 1. The insulation board 2 divides the inner cavity of the energy storage box body 1 into a battery cavity 3 and a control cavity 4. The battery cavity 3 and the control cavity 4 are respectively located at the front and rear ends of the insulation board 2.

[0025] like Figure 3 As shown, a plurality of energy storage battery racks are arranged in the battery cavity 3, and the plurality of energy storage battery racks are evenly distributed along the height direction. An energy storage battery 7 is placed on each energy storage battery rack.

[0026] like Figure 3 As shown, the energy storage battery rack includes two battery support plates 8 symmetrically arranged on the left and right sides, and the two battery support plates 8 are respectively connected to the left and right side walls of the battery cavity 3 by bolts. The two battery support plates 8 respectively support the left and right sides of the bottom of an energy storage battery 7. Such a structure can not only achieve stable support for the energy storage battery 7, but also ensure the heat dissipation effect of the energy storage battery 7.

[0027] like Figure 4 As shown, a switch 9, an EMS controller 10, a DC circuit breaker 11, an inverter 12 and an AC circuit breaker 13 are arranged in the control cavity 4. The switch 9 is connected to the energy storage battery 7 via the DC circuit breaker 11. The inverter 12 is electrically connected to the AC circuit breaker 13. The inverter module 27 is used to convert DC power into AC power. The AC circuit breaker 13 can be connected to the city power supply network. The EMS controller 10 is electrically connected to the switch 9 and the inverter 12 respectively.

[0028] like Figure 2As shown, a plurality of heat dissipation holes 15 are arranged on the bottom end surface of the energy storage box 1, and the plurality of heat dissipation holes 15 connect the control cavity 4 with the air outside the box to achieve heat dissipation of the components inside the control cavity 4. In order to ensure normal heat dissipation of the heat dissipation holes 15, support frames 14 are respectively arranged on the left and right sides of the bottom of the energy storage box 1, and the support frames 14 support the energy storage box 1 and keep a certain distance between the heat dissipation holes 15 on the bottom end surface of the energy storage box 1 and the ground.

[0029] like Figure 1 and Figure 2 As shown, the front and rear ends of the energy storage box body 1 are respectively provided with a front box door 5 and a rear box door 6 that can be opened and closed. The front box door 5 can close the battery cavity 3, and the rear box door 6 can close the control cavity 4.

[0030] like Figure 1 and Figure 2 As shown, air inlets 16 are arranged on the left and right sides of the energy storage box 1, and the air inlets 16 are connected to the battery cavity 3, and the air inlets 16 can introduce external cold air into the battery cavity 3. A plurality of horizontally arranged fixing plates 18 are arranged in the air inlet 16, and the plurality of fixing plates 18 are evenly distributed along the height direction. A first rain shield 17 is fixed on each fixing plate 18, and each first rain shield 17 is arranged to be inclined from the inside to the outside and from the top to the bottom, so that rainwater is blocked outside the air inlet 16.

[0031] like Figure 5 As shown, an upper partition 19 is horizontally arranged at the upper part of the energy storage box 1, and an exhaust cavity 20 is formed between the upper partition 19 and the top plate of the energy storage box 1. Two exhaust ports are arranged on the upper partition 19, and the two exhaust ports connect the exhaust cavity 20 and the battery cavity 3. An exhaust fan 21 is arranged in each of the two exhaust ports, and the exhaust fan 21 can actively guide the hot air in the battery cavity 3 into the exhaust cavity 20.

[0032] like Figure 1 and Figure 6 As shown, an air outlet 22 is arranged on the top of the front end face of the energy storage box 1, and a plurality of second rain shields 23 with a V-shaped structure are arranged inside the air outlet 22. The plurality of second rain shields 23 are evenly distributed along the height direction, and the second rain shields 23 with a V-shaped structure can allow the hot air discharged from the air outlet 22 to be discharged obliquely upward. A plurality of drainage holes 24 are arranged on the outer side face of the second rain shield 23 with a V-shaped structure, and the plurality of drainage holes 24 are evenly distributed along the length direction of the outer side face of the second rain shield 23. When in use, rainwater falling into the second rain shield 23 with a V-shaped structure is discharged downward from the drainage holes 24.

[0033] The working principle of the utility model is as follows: when in use, external cold air enters the battery cavity 3 through the air inlets 16 on both sides of the energy storage box 1, and the heat in the battery cavity 3 converts the cold air into hot air, which is carried upward into the exhaust cavity 20 by the exhaust fan 21 and then discharged from the front air outlet 22. The heat in the control cavity 4 is dissipated to the external environment through the heat dissipation holes 15 at the bottom.

[0034] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the protection scope of the utility model.

Claims

1. An outdoor rainproof photovoltaic energy storage battery box, comprising an energy storage box (1), characterized in that: A heat insulation board (2) is vertically arranged in the energy storage box (1), and the heat insulation board (2) divides the inner cavity of the energy storage box (1) into a battery cavity (3) and a control cavity (4), and the battery cavity (3) and the control cavity (4) are respectively located at the front and rear ends of the heat insulation board (2); The energy storage box (1) is provided with air inlets (16) on the left and right sides, the air inlets (16) are connected to the battery cavity (3), a plurality of horizontally arranged fixed plates (18) are arranged in the air inlet (16), the plurality of fixed plates (18) are evenly spaced along the height direction, and a first rain shield (17) is fixed on each fixed plate (18); an upper partition (19) is horizontally arranged in the upper part of the energy storage box (1), an exhaust cavity (20) is formed between the upper partition (19) and the top plate of the energy storage box (1), two air inlets are arranged on the upper partition (19), the two air inlets connect the exhaust cavity (20) and the battery cavity (3), and an exhaust fan (21) is arranged in each of the two air inlets; an air outlet (22) is arranged at the top of the front end surface of the energy storage box (1), a plurality of second rain shields (23) are arranged in the air outlet (22), and the plurality of second rain shields (23) are evenly spaced along the height direction.

2. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 1, characterized in that: A plurality of energy storage battery racks are arranged in the battery cavity (3), the plurality of energy storage battery racks are distributed along the height direction, and an energy storage battery (7) is placed on each energy storage battery rack.

3. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 2, characterized in that: The energy storage battery rack comprises two battery support plates (8) arranged symmetrically on the left and right sides, the two battery support plates (8) being respectively connected to the left and right side walls of the battery cavity by bolts, and the two battery support plates (8) respectively supporting the left and right sides of the bottom of an energy storage battery (7).

4. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 3, characterized in that: The bottom end surface of the energy storage box (1) is provided with a plurality of heat dissipation holes (15), the plurality of heat dissipation holes (15) connect the control cavity (4) with the air outside the box, and support frames (14) are respectively provided on the left and right sides of the bottom of the energy storage box (1).

5. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 4, characterized in that: The control chamber (4) is provided with a switch (9), an EMS controller (10), a DC circuit breaker (11), an inverter (12) and an AC circuit breaker (13); the switch (9) is connected to the energy storage battery (7) via the DC circuit breaker (11); the inverter (12) and the AC circuit breaker (13) are electrically connected; the AC circuit breaker (13) can be connected to a city power supply network; and the EMS controller (10) is electrically connected to the switch (9) and the inverter (12) respectively.

6. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 5, characterized in that: The energy storage box body (1) is provided with a front box door (5) and a rear box door (6) which can be opened and closed, respectively, at the front and rear ends; the front box door (5) can close the battery cavity (3), and the rear box door (6) can close the control cavity (4).

7. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 6, characterized in that: The first rain shield (17) is arranged to be inclined from inside to outside and from top to bottom.

8. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 7, characterized in that: The second rain shield (23) is a V-shaped structure.

9. An outdoor rainproof photovoltaic energy storage battery box as claimed in claim 8, characterized in that: A plurality of drainage holes (24) are arranged on the outer side surface of the second rain shield sheet (23), and the plurality of drainage holes (24) are distributed at equal intervals along the length direction of the outer side surface of the second rain shield sheet (23).

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