CN219980772U - Collecting box for photovoltaic solar power generation - Google Patents

Abstract

The utility model relates to the technical field of junction boxes, and discloses a junction box for photovoltaic solar power generation, which comprises an outer shell, wherein a box door is rotationally connected to the outer edge of the outer shell, a rotating handle is rotationally connected to the outer wall of the box door, a lining is fixedly arranged on the inner wall of the box door, a clamping groove is formed in the outer wall of the lining, an inner bin is fixedly arranged in an inner cavity of the outer shell, a controller is fixedly arranged on the outer wall of the inner bin, and a storage battery is fixedly arranged on the outer wall of the inner bin. This collection flow box for photovoltaic solar power generation through the air pipe who sets up between interior storehouse and shell body, when needs carry out the exhaust to the heat of collection flow box in, start motor, can discharge the heat of collection flow box in, and because air pipe's internal design, just lead to outside rainwater if want to enter into in the storehouse, just need pass through air pipe, satisfied the heat dissipation work of collection flow box better, and outside rainwater can not enter into the shell body from the vent.

Description

Collecting box for photovoltaic solar power generation

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a junction box for photovoltaic solar power generation.

Background

The junction box is a wiring device for ensuring orderly connection and junction functions of the photovoltaic modules in the photovoltaic power generation system. The device can ensure that the photovoltaic system is easy to cut off the circuit during maintenance and inspection, reduces the power failure range when the photovoltaic system breaks down, and for some large-scale photovoltaic systems, in order to improve stability and facilitate system maintenance, a direct current converging device is generally required to be added between a photovoltaic module and an inverter, the photovoltaic module is connected into a photovoltaic array lightning protection converging box in series for converging, and then the photovoltaic module is connected into the inverter.

When traditional equipment is in use, the collection flow box is in outdoor use, in order to prevent raining, rainwater enters into the inside of shell body, often be provided with sealed pad in chamber door department, but rubber sealed pad can produce ageing phenomenon in long-term use, sealed effect is not good, and in summer hot weather, the heat in the collection flow box needs to be discharged, if not in time dispel the heat will lead to collection flow box internal temperature to rise, when the temperature is too high, the electronic components in the collection flow box can have very big potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the junction box for photovoltaic solar power generation, which has the advantages of strong practicability, good stability and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a photovoltaic solar power generation is with case that converges, includes the shell body, the outer edge of shell body rotates and is connected with the chamber door, the outer wall of chamber door rotates and is connected with the commentaries on classics handle, the inner wall fixed assembly of chamber door has the inside lining, the draw-in groove has been seted up to the outer wall of inside lining, the inner chamber fixed assembly of shell body has interior storehouse, the outer wall fixed assembly of interior storehouse has the controller, the outer wall fixed assembly of interior storehouse has the battery, the outer wall fixed assembly of interior storehouse has the air pipe, the inner chamber fixed assembly of air pipe has the backup pad, the outer wall fixed assembly of backup pad has the motor, the power take off shaft fixed assembly of motor has the flabellum, the air outlet has been seted up to the outer wall of shell body.

As a preferable technical scheme of the utility model, the controller is electrically connected with the storage battery and the motor.

As a preferable technical scheme of the utility model, the number of the motors is four, and the four motors are respectively and correspondingly arranged among the four ventilation pipelines.

As a preferable technical scheme of the utility model, the shape and the size of the clamping groove are matched with those of the outer edge of the inner bin.

As a preferable technical scheme of the utility model, the inner wall of the clamping groove is provided with the sealing gasket, and the sealing gasket is prepared from natural rubber.

As a preferable embodiment of the present utility model, the motor is a high-speed brushless motor.

Compared with the prior art, the utility model has the following beneficial effects:

1. this collection flow box for photovoltaic solar power generation through the air pipe who sets up between interior storehouse and shell body, when needs carry out the exhaust to the heat of collection flow box in, start motor, can discharge the heat of collection flow box in, and because air pipe's internal design, just lead to outside rainwater if want to enter into in the storehouse, just need pass through air pipe, satisfied the heat dissipation work of collection flow box better, and outside rainwater can not enter into the shell body from the vent.

2. This collection flow box for photovoltaic solar power generation, through inside lining and draw-in groove that set up at the inner wall of chamber door, when closing the chamber door, aim at the draw-in groove with the outer edge of interior storehouse, close the chamber door, can closely link together chamber door and shell body, the better rainwater that prevents the outside enters into interior storehouse in the gap of chamber door and shell body, even sealing gasket in the draw-in groove appears ageing, the rainwater wants to enter into interior storehouse, just must pass through the draw-in groove, also can carry out waterproof work well to the shell body.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the lining structure of the present utility model;

FIG. 3 is a schematic view of the inner bin structure of the utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. an outer housing; 2. a door; 3. a rotating handle; 4. a lining; 5. a clamping groove; 6. an inner bin; 7. a controller; 8. an air outlet; 9. a storage battery; 10. a ventilation duct; 11. a support plate; 12. a motor; 13. and (3) a fan blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a collecting box for photovoltaic solar power generation comprises an outer shell 1, a box door 2 is connected to the outer edge of the outer shell 1 in a rotating way, a rotating handle 3 is connected to the outer wall of the box door 2 in a rotating way, a clamping groove 5 is formed in the outer wall of the inner liner 4 in the inner wall of the box door 2, an inner bin 6 is fixedly arranged in an inner cavity of the outer shell 1, a controller 7 is fixedly arranged on the outer wall of the inner bin 6, a storage battery 9 is fixedly arranged on the outer wall of the inner bin 6, a ventilation pipeline 10 is fixedly arranged on the outer wall of the inner bin 6, a supporting plate 11 is fixedly arranged on the inner wall of the supporting plate 11, a fan blade 13 is fixedly arranged on a power output shaft of the motor 12, an air outlet 8 is formed in the outer wall of the outer shell 1, the inner liner 4 and the clamping groove 5 are arranged on the inner wall of the box door 2, when the box door 2 is closed, the inner edge of the inner bin 6 is aligned with the clamping groove 5, the box door 2 can be tightly connected with the outer shell 1, external rainwater is prevented from entering a gap 6 of the outer shell 1 from the box door 2 and entering the clamping groove 6, and can enter the inner liner 5 through the clamping groove 6 and enter the clamping groove 5 well, and can be prevented from entering the inner wall 5 and well, and can enter the inner liner 5 and well sealing groove 5 through the sealing groove 5, and can well enter the inner liner 5 through the clamping groove 5, and the sealing groove 5 well, and the sealing groove 5 can well be well arranged in the sealing groove 5.

Referring to fig. 3, the controller 7 is electrically connected with the battery 9 and the motor 12, the battery 9 supplies power to the motor 12, the controller 7 can control the rotation speed and rotation direction of the motor 12, forward and reverse rotation, and can better discharge heat in the outer shell 1 under the cooperation of forward and reverse rotation of the motor 12, one side of the motor 12 extracts heat from the inner bin 6, the other side of the motor 12 extracts cool air from the outside into the outer shell 1, and better and faster heat is discharged from the inner shell 1, so that normal operation of the equipment is ensured.

Referring to fig. 1, the number of the motors 12 is four, and the four motors 12 are correspondingly installed between the four ventilation pipes 10, so that the four motors 12 can simultaneously perform cooling operation, thereby having faster cooling efficiency, and enabling the heat in the outer housing 1 to be reduced to the normal operating temperature, so that the normal operating state of the equipment can be better ensured.

Referring to fig. 2, the shape and size of the clamping groove 5 are matched with those of the outer edge of the inner bin 6, when the door 2 needs to be closed, the inner liner 4 on the inner wall of the door 2 is aligned with the outer edge of the inner bin 6, and the outer edge is clamped into the gap, so that the inner bin 6 is isolated from the external environment, rainwater is better prevented from entering the inner bin 6 from the gap between the door 2 and the outer shell 1, and normal operation of equipment is better ensured.

Referring to fig. 2, a sealing gasket is installed on the inner wall of the clamping groove 5, and is made of natural rubber, the sealing gasket can plug a gap between the outer edge of the inner bin 6 and the clamping groove 5, the inner bin 6 is better separated from the external environment, rainwater is prevented from entering the inner bin 6 from the gap between the box door 2 and the inner bin 6, and a waterproof effect is better achieved.

Referring to fig. 4, the motor 12 is a high-speed brushless motor 12, the high-speed brushless motor 12 can have a faster rotation speed, when the interior of the outer casing 1 is subjected to air draft, air exhaust and heat dissipation, the high-speed brushless motor 12 can have a faster rotation speed, and can provide a larger air quantity, so that heat in the inner bin 6 is better extracted, cool air outside the outer casing 1 is pumped into the inner bin 6 to achieve a cooling effect faster, and therefore the temperature of the inner bin 6 is reduced faster, and the situation that equipment is failed and even a fire disaster occurs due to too high temperature is avoided.

The working principle is that in the using process of the equipment, the outer shell 1 is installed in place, the electronic components of the inner bin 6 are installed, the box door 2 is rotated inwards, the outer edge of the inner bin 6 is connected with the clamping groove 5 of the inner liner 4 in an opposite mode, a gap is plugged by a sealing gasket in the clamping groove 5, the box door 2 is connected with the outer shell 1 better, when the inner bin 6 needs to be cooled, the controller 7 is used for controlling the forward rotation and the rotating speed of the motor 12, the motor 12 on one side is positively transmitted, the motor 12 on the other side is reversely rotated, one side is used for exhausting air, the other side is used for exhausting air, air circulation in the inner bin 6 is achieved, heat in the inner bin 6 can be taken away in the air circulation process, and the cooling work of the equipment is better met.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a photovoltaic solar energy is collection flow box for electricity generation, includes shell body (1), its characterized in that: the outer edge of shell body (1) rotates and is connected with chamber door (2), the outer wall of chamber door (2) rotates and is connected with changes handle (3), inside lining (4) are equipped with to the inner wall of chamber door (2) is fixed, draw-in groove (5) have been seted up to the outer wall of inside lining (4), the inner chamber of shell body (1) is fixed and is equipped with interior storehouse (6), the outer wall of interior storehouse (6) is fixed and is equipped with controller (7), the outer wall of interior storehouse (6) is fixed and is equipped with battery (9), the outer wall of interior storehouse (6) is fixed and is equipped with ventilation duct (10), the inner chamber fixed mounting of ventilation duct (10) has backup pad (11), the outer wall of backup pad (11) is fixed and is equipped with motor (12), the power take-off shaft of motor (12) is fixed and is equipped with flabellum (13), air outlet (8) have been seted up to the outer wall of shell body (1).

2. The junction box for photovoltaic solar power generation according to claim 1, wherein: the controller (7) is electrically connected with the storage battery (9) and the motor (12).

3. The junction box for photovoltaic solar power generation according to claim 1, wherein: the number of the motors (12) is four, and the four motors (12) are respectively correspondingly arranged among the four ventilation pipelines (10).

4. The junction box for photovoltaic solar power generation according to claim 1, wherein: the shape and the size of the clamping groove (5) are matched with those of the outer edge of the inner bin (6).

5. The junction box for photovoltaic solar power generation according to claim 1, wherein: the inner wall of the clamping groove (5) is provided with a sealing gasket, and the sealing gasket is prepared from natural rubber.

6. The junction box for photovoltaic solar power generation according to claim 1, wherein: the motor (12) is a high-speed brushless motor (12).