CN114069442A

CN114069442A - Heat dissipation protection device for photovoltaic micro-grid and use method thereof

Info

Publication number: CN114069442A
Application number: CN202111392047.3A
Authority: CN
Inventors: 倪赐圭; 何威潼
Original assignee: Wenzhou Fujia Technology Co ltd
Current assignee: Wenzhou Fujia Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-02-18

Abstract

The invention relates to a heat dissipation protective device for a photovoltaic microgrid and a use method thereof, wherein the bottom of a fixed box at one side of a box body is provided with a through hole, the inside of the through hole penetrates through the top of a sliding plate and is fixedly connected with a protective box, the outer wall of one side of the sliding plate, which is rotatably connected with a first rotating shaft, is fixedly sleeved with a protective plate, the inside of a sliding groove in the box body is provided with a protective component for protecting an electronic element, the inner wall of the bottom of the box body is provided with a temperature sensor and a controller, the inside of the fixed box is provided with a lifting component for adjusting the height of the protective plate, the inside of the fixed box is provided with a rotating component for rotating the protective plate, the inside of the protective box is provided with a limiting component for limiting the first rotating shaft, and the bottom of the sliding plate is fixedly connected with a limiting plate, so that the problems of poor heat dissipation effect and incapability of closing a vent in time in rainy days existing in a switch cabinet for the photovoltaic microgrid are solved, causing the problems of damage to the electronic components and short service life.

Description

Heat dissipation protection device for photovoltaic micro-grid and use method thereof

Technical Field

The invention belongs to the technical field of photovoltaic micro-grids, and relates to a heat dissipation protection device for a photovoltaic micro-grid and a use method thereof.

Background

The photovoltaic is a solar photovoltaic power generation system for short, and is a novel power generation system which utilizes the photovoltaic effect of a solar cell semiconductor material to directly convert solar radiation energy into electric energy.

To facilitate the installation of photovoltaic microgrid circuit often use the cubical switchboard, the circuit can make cubical switchboard inside electronic component's resistance grow when circular telegram, thereby can make electronic component generate heat, and present cubical switchboard radiating effect is relatively poor, make cubical switchboard inside electronic component fault rate increase, life shortens, and in rainy day, can't in time close the vent, lead to electronic component to damage, and be strikeed by the rainwater for a long time, cause certain wearing and tearing easily to the photovoltaic board so we provide a photovoltaic microgrid and use method thereof, be used for solving the above-mentioned problem.

Disclosure of Invention

In view of the above, the invention provides a heat dissipation protection device for a photovoltaic microgrid and a use method thereof, which are used for solving the problems that the existing switch cabinet for the photovoltaic microgrid has poor heat dissipation effect, cannot close a vent in time in rainy days, and causes damage to electronic elements and short service life.

In order to achieve the purpose, the invention provides the following technical scheme:

a heat dissipation protection device for a photovoltaic microgrid comprises a box body, wherein one side of the box body is fixedly connected with a fixed box, the bottom of the fixed box is provided with a through hole, the inside of the through hole is penetrated and slidably connected with a sliding plate, the top of the sliding plate is fixedly connected with a protection box, one side of the sliding plate is rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly sleeved with a protection plate, the top of the protection plate is provided with a photovoltaic panel, the inside of the box body is fixedly connected with a plurality of mounting plates, the top of the mounting plates is fixedly connected with a plurality of electronic elements, the inside of the box body is provided with two sliding grooves which are symmetrically arranged, the inside of the sliding grooves is provided with a protection component for protecting the electronic elements, the inner wall of the bottom of the box body is provided with a temperature sensor and a controller, the inside of the fixed box is provided with a lifting component for adjusting the height of the protection plate, the inside of the fixed box is provided with a rotating component for rotating the protection plate, the inside of protection box is provided with and is used for carrying out spacing subassembly to first pivot, the bottom fixedly connected with limiting plate of sliding plate.

Further, the protection subassembly includes sliding connection at the inside riser of sliding tray, a plurality of first air vents have all been seted up to the both sides of box, a plurality of second air vents that use with first air vent cooperation are seted up to the inside of riser, the same first spring of fixedly connected with between the bottom of riser and the bottom inner wall of sliding tray, one side inner wall fixedly connected with second fixed block of sliding tray, one side fixedly connected with of riser and the first fixed block cooperation use, two of the top fixedly connected with symmetry of guard plate set up and the inserted bar that the riser cooperation was used, an electronic component in the protective box is not damaged, and then the life of device has been prolonged.

Further, lifting unit includes the electric putter of fixed connection at fixed box top inner wall, and electric putter's piston rod extends to the inside and the fixedly connected with fixed plate of protection box, one side of fixed plate and one side fixed connection of sliding plate for adjust the height of guard plate, and then can dispel the heat fast under emergency.

Further, the rotating assembly comprises a driving box fixedly connected to the inner wall of one side of the fixed box, a servo motor is fixedly connected to the inner wall of one side of the driving box, an output shaft of the servo motor penetrates through the driving box and is fixedly connected with a second rotating shaft, a second synchronizing wheel is fixedly sleeved on the outer wall of the second rotating shaft, a first synchronizing wheel is fixedly sleeved on the outer wall of the first rotating shaft, two sliding rails which are symmetrically arranged are fixedly connected to the inner wall of one side of the fixed box, limiting blocks are fixedly connected to two sides of the sliding rails, a sliding block is slidably connected to one side of each sliding rail, a third rotating shaft is rotatably connected to one side of each sliding block, a third synchronizing wheel is fixedly sleeved on the outer wall of each third rotating shaft, the same synchronous belt is sleeved on the outer wall transmission sleeves of the second synchronizing wheel, the first synchronizing wheel and the two outer synchronizing wheels, and the same third spring is fixedly connected between one side of the limiting block close to the second rotating shaft and one side of the sliding block, the protection plate is turned over in a rainy day, the photovoltaic panel is prevented from being continuously impacted by rainwater, abrasion is generated, and unnecessary waste is caused.

Further, spacing subassembly includes two supporting shoes that fixed connection set up at protection box one side inner wall symmetry, one side inner wall sliding connection of protection box has the diaphragm, the same second spring of fixedly connected with between one end of diaphragm and one side of supporting shoe, the one end fixedly connected with fixture block of supporting shoe is kept away from to the diaphragm, two draw-in grooves with fixture block looks block are seted up to the side of first pivot for carry on spacingly to first pivot, avoid first pivot to take place to overturn at the in-process that rises.

Further, the one end fixedly connected with catch bar of third pivot, one side fixedly connected with dead lever of diaphragm, one side inner wall fixedly connected with bull stick of protection box, the outer wall of bull stick rotates the cover and is equipped with the commentaries on classics board, the elliptical aperture that uses with the dead lever cooperation is seted up to the inside of commentaries on classics board, can promote the commentaries on classics board through the catch bar, and then removes the braking of first pivot.

Further, the inside of first air vent is provided with the filter screen, and one side of riser is provided with a plurality of brush hairs that use with the filter screen cooperation, avoids the dust to get into, also can clean the filter screen simultaneously.

Furthermore, one side of the box body is hinged with a box door, and one side of the box door is provided with a handle, so that the maintenance of workers is facilitated.

Furthermore, one end fixedly connected with plectane of dead lever for carry on spacingly to the dead lever, avoid the dead lever to drop.

The invention has the beneficial effects that:

1. according to the heat dissipation protection device for the photovoltaic microgrid, when the temperature sensor detects that the temperature in the box body is too high and reaches a threshold value needing emergency cooling, the electric push rod is started through the controller, the piston rod of the electric push rod drives the fixed plate to vertically move upwards, the fixed plate drives the sliding plate to vertically move upwards, the sliding plate drives the protection box and the first rotating shaft to vertically move upwards, the first rotating shaft drives the protection plate to vertically move upwards, the protection plate drives the photovoltaic plate to vertically move upwards, the top of the box body is communicated with the outside, hot air in the box body can be rapidly discharged, and the function of rapidly reducing the temperature in the box body can be achieved.

2. In order to avoid the situation, an electric push rod is started through a controller, a piston rod of the electric push rod drives a fixed plate to vertically move upwards, the fixed plate drives a sliding plate to vertically move upwards, the sliding plate drives a protective box and a first rotating shaft to vertically move upwards, a protective plate is driven by the first rotating shaft to vertically move upwards, the photovoltaic plate is driven by the protective plate to vertically move upwards, meanwhile, two pushing plates are driven by a third rotating shaft to mutually approach, the pushing plates gradually push the rotating plates, the rotating plates start to rotate, the rotating plates drive a fixing rod to transversely move, the fixing rod drives a transverse plate to transversely move, the transverse plate drives two clamping blocks to mutually separate, and a second spring is extruded, so that the clamping state of the clamping blocks and the clamping grooves is relieved, and the shielding plate can rise to the highest point.

3. According to the heat dissipation protection device for the photovoltaic microgrid, the servo motor is started to drive the second rotating shaft to rotate and the first rotating shaft to rotate, the first rotating shaft drives the protection plate to rotate, the protection plate drives the photovoltaic plate and the insertion rod to rotate, the photovoltaic plate and the insertion rod are both positioned below the protection plate after the protection plate rotates 180 degrees, the electric push rod is started again at the moment, the piston rod of the electric push rod drives the fixing plate to vertically move downwards, the protection plate can be driven to vertically move downwards, the protection plate drives the photovoltaic plate and the insertion rod to vertically move downwards, and therefore the protection function of the photovoltaic plate can be achieved.

4. According to the heat dissipation protection device for the photovoltaic microgrid, disclosed by the invention, the vertical plate can be pushed to vertically move downwards through the insertion rod, the vertical plate drives the brush hair to vertically move downwards and extrude the first spring, at the moment, the second vent hole is not communicated with the first vent hole any more, the brush hair moves downwards to one side of the filter screen and cleans the filter screen, at the moment, rainwater can be prevented from directly falling into the box body, so that the electronic elements in the box body are prevented from being damaged, and the heat dissipation protection device is used for realizing the protection function of the electronic elements.

5. According to the heat dissipation protection device for the photovoltaic microgrid, disclosed by the invention, the height of the protection plate is adjusted through the lifting assembly, so that the function of quickly reducing the temperature in the box body can be realized in an emergency, the electronic elements are prevented from being damaged, the protection plate can be turned over for 180 degrees through the rotating assembly in time in rainy days, meanwhile, the protection assembly is utilized to prevent rainwater from entering the box body, the photovoltaic panel and the electronic elements are well protected, the structure is simple, and the operation is convenient.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic front view of a heat dissipation protection device for a photovoltaic microgrid according to the present invention;

FIG. 2 is a three-dimensional view of a heat dissipation shield for a photovoltaic microgrid of the present invention;

fig. 3 is a three-dimensional view of another perspective of a heat dissipation protection device for a photovoltaic microgrid of the present invention;

FIG. 4 is a front cross-sectional view of a heat dissipation shield for a photovoltaic microgrid of the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4 in accordance with the present invention;

FIG. 6 is a front cross-sectional view of a riser of the present invention;

FIG. 7 is a front cross-sectional view of the holding box and the protective box of the present invention;

FIG. 8 is a cross-sectional view taken along A-A of FIG. 7;

FIG. 9 is a schematic view of the connection between the transverse plate and the first shaft of the present invention;

fig. 10 is a schematic top view of the slider and the slide rail of the present invention.

Reference numerals: 1. a box body; 2. a fixing box; 3. a protective case; 4. a protection plate; 5. a photovoltaic panel; 6. an insertion rod; 7. a box door; 8. a handle; 9. a sliding plate; 10. a limiting plate; 11. a first vent hole; 12. a vertical plate; 13. filtering with a screen; 14. a first spring; 15. an electronic component; 16. mounting a plate; 17. brushing; 18. a sliding groove; 19. a first fixed block; 20. a second fixed block; 21. a first rotating shaft; 22. a first synchronizing wheel; 23. a fixing plate; 24. an electric push rod; 25. a through hole; 26. a second rotating shaft; 27. a second synchronizing wheel; 28. a synchronous belt; 29. a servo motor; 30. a drive box; 31. a push plate; 32. a transverse plate; 33. a second spring; 34. a support block; 35. a third rotating shaft; 36. a third synchronizing wheel; 37. a third spring; 38. a limiting block; 39. a slide rail; 40. a slider; 41. a rotating rod; 42. rotating the plate; 43. an elliptical hole; 44. fixing the rod; 45. a circular plate; 46. a clamping block; 47. a card slot; 48. a controller; 49. a temperature sensor; 50. a second vent.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Example one

Referring to fig. 1-10, a heat dissipation protection device for a photovoltaic microgrid comprises a box body 1, a fixed box 2 is fixedly connected to one side of the box body 1, a through hole 25 is formed in the bottom of the fixed box 2, a sliding plate 9 is slidably connected to the inside of the through hole 25 in a penetrating manner, a protection box 3 is fixedly connected to the top of the sliding plate 9, a first rotating shaft 21 is rotatably connected to one side of the sliding plate 9, a protection plate 4 is fixedly sleeved on the outer wall of the first rotating shaft 21, a photovoltaic panel 5 is arranged on the top of the protection plate 4, a plurality of mounting plates 16 are fixedly connected to the inside of the box body 1, a plurality of electronic components 15 are fixedly connected to the top of the mounting plates 16, two symmetrically arranged sliding grooves 18 are formed in the box body 1, a protection assembly for protecting the electronic components 15 is arranged in the sliding grooves 18, the protection assembly comprises vertical plates 12 slidably connected to the inside of the sliding grooves 18, a plurality of first air vents 11 are formed in both sides of the box body 1, a plurality of second air vents 50 that use with the cooperation of first air vent 11 have been seted up to the inside of riser 12, the same first spring 14 of fixedly connected with between the bottom of riser 12 and the bottom inner wall of sliding tray 18, one side inner wall fixedly connected with second fixed block 20 of sliding tray 18, one side fixedly connected with of riser 12 and the first fixed block 19 of the cooperation use of second fixed block 20, two of the top fixedly connected with symmetry of guard plate 4 set up and the inserted bar 6 of riser 12 cooperation use, an electronic component 15 for protecting in the box 1 is not damaged, and then the life of device has been prolonged.

In the invention, a temperature sensor 49 and a controller 48 are arranged on the inner wall of the bottom of a box body 1, a lifting assembly for adjusting the height of a protection plate 4 is arranged in a fixing box 2, the lifting assembly comprises an electric push rod 24 fixedly connected with the inner wall of the top of the fixing box 2, a piston rod of the electric push rod 24 extends into the protection box 3 and is fixedly connected with a fixing plate 23, one side of the fixing plate 23 is fixedly connected with one side of a sliding plate 9 and is used for adjusting the height of the protection plate 4, so that the protection plate can be rapidly cooled in emergency, a rotating assembly for rotating the protection plate 4 is arranged in the fixing box 2, the rotating assembly comprises a driving box 30 fixedly connected with the inner wall of one side of the fixing box 2, a servo motor 29 is fixedly connected with the inner wall of one side of the driving box 30, an output shaft of the servo motor 29 penetrates through the driving box 30 and is fixedly connected with a second rotating shaft 26, and a second synchronizing wheel 27 is fixedly sleeved on the outer wall of the second rotating shaft 26, the outer wall of the first rotating shaft 21 is fixedly sleeved with a first synchronizing wheel 22, the inner wall of one side of the fixed box 2 is fixedly connected with two symmetrically arranged slide rails 39, both sides of the slide rails 39 are fixedly connected with limit blocks 38, one side of the slide rails 39 is slidably connected with a slide block 40, one side of the slide block 40 is rotatably connected with a third rotating shaft 35, the outer wall of the third rotating shaft 35 is fixedly sleeved with a third synchronizing wheel 36, one end of the third rotating shaft 35 is fixedly connected with a push plate 31, one side of a transverse plate 32 is fixedly connected with a fixed rod 44, the inner wall of one side of the protective box 3 is fixedly connected with a rotating rod 41, the outer wall of the rotating rod 41 is rotatably sleeved with a rotating plate 42, an elliptical hole 43 matched with the fixed rod 44 for use is formed in the rotating plate 42, the rotating plate 42 can be pushed by the push plate 31, and then the brake of the first rotating shaft 21 is released, the outer wall of the second synchronizing wheel 27, the first synchronizing wheel 22 and the two third synchronizing wheels 36 are driven by the same synchronous belt 28, be close to the same third spring 37 of fixedly connected with between one side of stopper 38 of second pivot 26 and one side of slider 40 for with the guard plate 4 upset in the rainy day, avoid the rainwater constantly to strike photovoltaic board 5, and then produce wearing and tearing, cause unnecessary extravagant.

According to the invention, a limiting component for limiting the first rotating shaft 21 is arranged in the protective box 3, the bottom of the sliding plate 9 is fixedly connected with a limiting plate 10, a filter screen 13 is arranged in the first vent hole 11, one side of the vertical plate 12 is provided with a plurality of brush hairs 17 matched with the filter screen 13 for use, so that dust is prevented from entering, the filter screen 13 can be cleaned at the same time, one side of the box body 1 is hinged with a box door 7, one side of the box door 7 is provided with a handle 8 for facilitating maintenance of workers, one end of the fixing rod 44 is fixedly connected with a circular plate 45 for limiting the fixing rod 44, and the fixing rod 44 is prevented from falling off.

Example two

In the invention, a temperature sensor 49 and a controller 48 are arranged on the inner wall of the bottom of a box body 1, a lifting assembly for adjusting the height of a protection plate 4 is arranged in a fixing box 2, the lifting assembly comprises an electric push rod 24 fixedly connected with the inner wall of the top of the fixing box 2, a piston rod of the electric push rod 24 extends into the protection box 3 and is fixedly connected with a fixing plate 23, one side of the fixing plate 23 is fixedly connected with one side of a sliding plate 9 and is used for adjusting the height of the protection plate 4, so that the protection plate can be rapidly cooled in emergency, a rotating assembly for rotating the protection plate 4 is arranged in the fixing box 2, the rotating assembly comprises a driving box 30 fixedly connected with the inner wall of one side of the fixing box 2, a servo motor 29 is fixedly connected with the inner wall of one side of the driving box 30, an output shaft of the servo motor 29 penetrates through the driving box 30 and is fixedly connected with a second rotating shaft 26, and a second synchronizing wheel 27 is fixedly sleeved on the outer wall of the second rotating shaft 26, the fixed cover of outer wall of first pivot 21 is equipped with first synchronizing wheel 22, two slide rails 39 that one side inner wall fixedly connected with symmetry of fixed box 2 set up, the equal fixedly connected with stopper 38 in both sides of slide rail 39, one side sliding connection of slide rail 39 has slider 40, one side of slider 40 is rotated and is connected with third pivot 35, the fixed cover of outer wall of third pivot 35 is equipped with third synchronizing wheel 36, the one end fixedly connected with slurcam 31 of third pivot 35, one side fixedly connected with dead lever 44 of diaphragm 32, one side inner wall fixedly connected with bull stick 41 of protection box 3, the outer wall of bull stick 41 rotates the cover and is equipped with commentaries on classics board 42, the elliptical hole 43 that uses with dead lever 44 cooperation is seted up to the inside of commentaries on classics board 42, can promote commentaries on classics board 42 through slurcam board 31, and then remove the braking of first pivot 21.

In the invention, the same synchronous belt 28 is sleeved on the outer wall of the second synchronous wheel 27, the first synchronous wheel 22 and the two third synchronous wheels 36 in a transmission manner, the same third spring 37 is fixedly connected between one side of the limit block 38 close to the second rotating shaft 26 and one side of the slide block 40 and is used for overturning the protection plate 4 in rainy days to prevent rainwater from continuously impacting the photovoltaic plate 5, so that unnecessary waste is caused, a limit component for limiting the first rotating shaft 21 is arranged in the protection box 3 and comprises two support blocks 34 which are symmetrically arranged and fixedly connected on the inner wall of one side of the protection box 3, a transverse plate 32 is slidably connected on the inner wall of one side of the protection box 3, the same second spring 33 is fixedly connected between one end of the transverse plate 32 and one side of the support blocks 34, a clamping block 46 is fixedly connected at one end of the transverse plate 32 far from the support blocks 34, two clamping grooves 47 which are clamped with the clamping block 46 are formed on the side surface of the first rotating shaft 21, the bottom of the sliding plate 9 is fixedly connected with a limiting plate 10, a filter screen 13 is arranged inside the first vent hole 11, one side of the vertical plate 12 is provided with a plurality of bristles 17 matched with the filter screen 13 for use, so that dust is prevented from entering the box, the filter screen 13 can be cleaned at the same time, one side of the box body 1 is hinged with a box door 7, one side of the box door 7 is provided with a handle 8, the maintenance of workers is facilitated, one end of the fixing rod 44 is fixedly connected with a circular plate 45, the fixing rod 44 is limited, and the fixing rod 44 is prevented from falling off.

The advantages of the second embodiment over the first embodiment are: spacing subassembly includes two supporting shoes 34 that fixed connection set up at 3 one side inner walls of protection box symmetry, one side inner wall sliding connection of protection box 3 has diaphragm 32, the same second spring 33 of fixedly connected with between one side of one end of diaphragm 32 and supporting shoe 34, the one end fixedly connected with fixture block 46 of supporting shoe 34 is kept away from to diaphragm 32, two draw-in grooves 47 with fixture block 46 looks block are seted up to the side of first pivot 21, be used for spacing first pivot 21, avoid first pivot 21 to take place the upset at the in-process that rises.

A use method of a heat dissipation protection device for a photovoltaic microgrid comprises the following steps:

s1, when the temperature sensor 49 detects that the temperature in the box body 1 is too high and reaches a threshold value needing emergency cooling, the electric push rod 24 is started through the controller 48, a piston rod of the electric push rod 24 drives the fixing plate 23 to vertically move upwards, the fixing plate 23 drives the sliding plate 9 to vertically move upwards, the sliding plate 9 drives the protective box 3 and the first rotating shaft 21 to vertically move upwards, the first rotating shaft 21 drives the protective plate 4 to vertically move upwards, the protective plate 4 drives the photovoltaic plate 5 to vertically move upwards, the top of the box body 1 is communicated with the outside, hot air in the box body 1 can be rapidly discharged, and the function of rapidly reducing the temperature in the box body 1 can be achieved;

s2, when the first rotating shaft 21 rises, the first rotating shaft 21 drives the first synchronous wheel 22 to vertically move upwards, the first synchronous wheel 22 drives the synchronous belt 28 to stretch upwards, the synchronous belt 28 drives the two third synchronous wheels 36 to mutually approach, the third synchronous wheels 36 drive the two third rotating shafts 35 to mutually approach, the third rotating shafts 35 drive the two sliding blocks 40 to mutually approach and extrude the third springs 37, and therefore the synchronous belt 28 can be ensured to be continuously in a tensioning state;

s3, when it is raining, the photovoltaic panel 5 is continuously exposed to the outside, and further, the device may be worn, and damaged, in order to avoid this situation, the electric push rod 24 is first started by the controller 48, the piston rod of the electric push rod 24 drives the fixed plate 23 to move vertically upward, the fixed plate 23 drives the sliding plate 9 to move vertically upward, the sliding plate 9 drives the protective box 3 and the first rotating shaft 21 to move vertically upward, the first rotating shaft 21 drives the protective plate 4 to move vertically upward, the protective plate 4 drives the photovoltaic panel 5 to move vertically upward, at the same time, the third rotating shaft 35 drives the two pushing plates 31 to approach each other, the pushing plates 31 gradually push the rotating plates 42, the rotating plates 42 start to rotate, the rotating plates 42 drive the fixing rods 44 to move laterally, the fixing rods 44 drive the transverse plates 32 to move laterally, the transverse plates 32 drive the two clamping blocks 46 to move away from each other, and press the second springs 33, the clamping state of the clamping block 46 and the clamping groove 47 is further released until the protection plate 4 rises to the highest point;

s4, the servo motor 29 is started, an output shaft of the servo motor 29 drives the second rotating shaft 26 to rotate, the second rotating shaft 26 drives the second synchronizing wheel 27 to rotate, the second synchronizing wheel 27 drives the synchronizing belt 28 to rotate, the synchronizing belt 28 drives the first synchronizing wheel 22 to rotate, the first synchronizing wheel 22 drives the first rotating shaft 21 to rotate, the first rotating shaft 21 drives the protection plate 4 to rotate, the protection plate 4 drives the photovoltaic plate 5 and the insertion rod 6 to rotate, after the protection plate 4 rotates 180 degrees, the photovoltaic plate 5 and the insertion rod 6 are both located below the protection plate 4, at this time, the electric push rod 24 is started again, a piston rod of the electric push rod 24 drives the fixing plate 23 to vertically move downwards, so as to drive the protection plate 4 to vertically move downwards, the protection plate 4 drives the photovoltaic plate 5 and the insertion rod 6 to vertically move downwards, and further realize a protection function for the photovoltaic plate 5;

s5, insert the vertical downstream of pole 6 promotion riser 12 simultaneously, riser 12 drives the vertical downstream of brush hair 17 and extrudes first spring 14, and second vent 50 is no longer linked together with first vent 11 this moment, and brush hair 17 moves down to one side of filter screen 13 and clears up filter screen 13, can avoid the rainwater directly to fall into the inside of box 1 this moment, leads to damaging the inside electronic component 15 of box 1 for the realization is to electronic component 15' S protect function.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. The heat dissipation protection device for the photovoltaic microgrid comprises a box body (1) and is characterized in that a fixing box (2) is fixedly connected to one side of the box body (1), a through hole (25) is formed in the bottom of the fixing box (2), a sliding plate (9) is connected to the inside of the through hole (25) in a penetrating and sliding mode, a protection box (3) is fixedly connected to the top of the sliding plate (9), a first rotating shaft (21) is rotatably connected to one side of the sliding plate (9), a protection plate (4) is fixedly sleeved on the outer wall of the first rotating shaft (21), a photovoltaic plate (5) is arranged on the top of the protection plate (4), a plurality of mounting plates (16) are fixedly connected to the inside of the box body (1), a plurality of electronic elements (15) are fixedly connected to the top of the mounting plates (16), and two sliding grooves (18) which are symmetrically arranged are formed in the inside of the box body (1), the inside of sliding tray (18) is provided with the protection subassembly that is used for protecting electronic component (15), the bottom inner wall of box (1) is provided with temperature sensor (49) and controller (48), the inside of fixed box (2) is provided with and is used for adjusting the lifting unit of guard plate (4) height, the inside of fixed box (2) is provided with the runner assembly who is used for rotating guard plate (4), the inside of protection box (3) is provided with and is used for carrying out spacing subassembly to first pivot (21), the bottom fixedly connected with limiting plate (10) of sliding plate (9).

2. The heat dissipation protector for photovoltaic microgrid of claim 1, characterized in that, the protective component comprises a vertical plate (12) which is connected inside the sliding groove (18) in a sliding way, a plurality of first vent holes (11) are formed in both sides of the box body (1), a plurality of second vent holes (50) matched with the first vent holes (11) are formed in the vertical plate (12), the same first spring (14) is fixedly connected between the bottom of the vertical plate (12) and the inner wall of the bottom of the sliding groove (18), a second fixed block (20) is fixedly connected with the inner wall of one side of the sliding groove (18), one side of the vertical plate (12) is fixedly connected with a first fixing block (19) matched with a second fixing block (20), the top of the protection plate (4) is fixedly connected with two symmetrically arranged insertion rods (6) matched with the vertical plate (12) for use.

3. The heat dissipation protection device for the photovoltaic microgrid according to claim 1, characterized in that the lifting assembly comprises an electric push rod (24) fixedly connected to the inner wall of the top of the fixed box (2), a piston rod of the electric push rod (24) extends into the protection box (3) and is fixedly connected with a fixed plate (23), and one side of the fixed plate (23) is fixedly connected with one side of the sliding plate (9).

4. The heat dissipation protection device for the photovoltaic microgrid according to claim 1, characterized in that the rotating assembly comprises a driving box (30) fixedly connected to an inner wall of one side of the fixed box (2), a servo motor (29) is fixedly connected to an inner wall of one side of the driving box (30), an output shaft of the servo motor (29) penetrates through the driving box (30) and is fixedly connected with a second rotating shaft (26), a second synchronizing wheel (27) is fixedly sleeved on an outer wall of the second rotating shaft (26), a first synchronizing wheel (22) is fixedly sleeved on an outer wall of the first rotating shaft (21), two symmetrically arranged sliding rails (39) are fixedly connected to an inner wall of one side of the fixed box (2), limiting blocks (38) are fixedly connected to both sides of the sliding rails (39), a sliding block (40) is slidably connected to one side of the sliding block (40), and a third rotating shaft (35) is rotatably connected to one side of the sliding block (40), the fixed cover of outer wall of third pivot (35) is equipped with third synchronizing wheel (36), the outer wall driving sleeve of second synchronizing wheel (27), first synchronizing wheel (22) and two third synchronizing wheels (36) is equipped with same hold-in range (28), is close to fixedly connected with same third spring (37) between one side of stopper (38) of second pivot (26) and one side of slider (40).

5. The heat dissipation protection device for the photovoltaic microgrid according to claim 4, characterized in that the limiting component comprises two supporting blocks (34) which are fixedly connected to one side of the protection box (3) and symmetrically arranged on the inner wall of one side of the protection box (3), a transverse plate (32) is slidably connected to one side of the protection box (3), the same second spring (33) is fixedly connected between one end of the transverse plate (32) and one side of the supporting block (34), a clamping block (46) is fixedly connected to one end of the transverse plate (32) far away from the supporting block (34), and two clamping grooves (47) which are clamped with the clamping block (46) are formed in the side surface of the first rotating shaft (21).

6. The heat dissipation protection device for the photovoltaic microgrid as claimed in claim 5, characterized in that one end of the third rotating shaft (35) is fixedly connected with a pushing plate (31), one side of the transverse plate (32) is fixedly connected with a fixing rod (44), one side inner wall of the protection box (3) is fixedly connected with a rotating rod (41), the outer wall of the rotating rod (41) is rotatably sleeved with a rotating plate (42), and an elliptical hole (43) matched with the fixing rod (44) is formed in the rotating plate (42).

7. The heat dissipation protection device for the photovoltaic microgrid as claimed in claim 2, characterized in that a screen (13) is arranged inside the first ventilation hole (11), and a plurality of bristles (17) used in cooperation with the screen (13) are arranged on one side of the vertical plate (12).

8. The heat dissipation protection device for the photovoltaic microgrid according to claim 1, characterized in that a box door (7) is hinged to one side of the box body (1), and a handle (8) is arranged on one side of the box door (7).

9. The heat dissipation protector for photovoltaic microgrid of claim 6, characterized in that a circular plate (45) is fixedly connected to one end of said fixing rod (44).

10. A use method of a heat dissipation protection device for a photovoltaic microgrid is characterized by comprising the following steps:

s1, when the temperature sensor (49) detects that the temperature in the box body (1) is too high and reaches a threshold value needing emergency cooling, the electric push rod (24) is started through the controller (48), a piston rod of the electric push rod (24) drives the fixed plate (23) to vertically move upwards, the fixed plate (23) drives the sliding plate (9) to vertically move upwards, the sliding plate (9) drives the protective box (3) and the first rotating shaft (21) to vertically move upwards, the first rotating shaft (21) drives the protective plate (4) to vertically move upwards, the protective plate (4) drives the photovoltaic plate (5) to vertically move upwards, the top of the box body (1) is communicated with the outside, hot air in the box body (1) is rapidly discharged, and the function of rapidly reducing the temperature in the box body (1) is achieved;

s2, when the first rotating shaft (21) rises, the first rotating shaft (21) drives the first synchronous wheel (22) to vertically move upwards, the first synchronous wheel (22) drives the synchronous belt (28) to stretch upwards, the synchronous belt (28) drives the two third synchronous wheels (36) to be close to each other, the third synchronous wheels (36) drive the two third rotating shafts (35) to be close to each other, the third rotating shafts (35) drive the two sliding blocks (40) to be close to each other and extrude the third spring (37), and therefore the synchronous belt (28) is continuously in a tensioning state;

s3, when raining and other conditions happen, in order to avoid the photovoltaic panel (5), firstly, the electric push rod (24) is started through the controller (48), the piston rod of the electric push rod (24) drives the fixed plate (23) to vertically move upwards, the fixed plate (23) drives the sliding plate (9) to vertically move upwards, the sliding plate (9) drives the protective box (3) and the first rotating shaft (21) to vertically move upwards, the first rotating shaft (21) drives the protective plate (4) to vertically move upwards, the protective plate (4) drives the photovoltaic panel (5) to vertically move upwards, meanwhile, the third rotating shaft (35) drives the two push plates (31) to mutually approach, the push plates (31) gradually push the rotating plates (42), the rotating plates (42) start to rotate, the rotating plates (42) drive the fixing rods (44) to transversely move, the fixing rods (44) drive the transverse plates (32) to transversely move, the transverse plates (32) drive the two clamping blocks (46) to mutually separate, the second spring (33) is extruded, the clamping state of the clamping block (46) and the clamping groove (47) is released until the protection plate (4) rises to the highest point;

s4, a servo motor (29) is started, an output shaft of the servo motor (29) drives a second rotating shaft (26) to rotate, the second rotating shaft (26) drives a second synchronous wheel (27) to rotate, the second synchronous wheel (27) drives a synchronous belt (28) to rotate, the synchronous belt (28) drives a first synchronous wheel (22) to rotate, the first synchronous wheel (22) drives a first rotating shaft (21) to rotate, the first rotating shaft (21) drives a protection plate (4) to rotate, the protection plate (4) drives a photovoltaic panel (5) and an insertion rod (6) to rotate, after the protection plate (4) rotates 180 degrees, the photovoltaic panel (5) and the insertion rod (6) are both located below the protection plate (4), the electric push rod (24) is started again at the moment, a piston rod of the electric push rod (24) drives a fixing plate (23) to vertically move downwards, the protection plate (4) is driven to vertically move downwards, the protection plate (4) drives the photovoltaic panel (5) and the insertion rod (6) to vertically move downwards, the protection function of the photovoltaic panel (5) is realized;

s5, insert pole (6) simultaneously and promote the vertical downstream of riser (12), riser (12) drive the vertical downstream of brush hair (17) and extrude first spring (14), second vent (50) are no longer linked together with first vent (11) this moment, brush hair (17) downstream is to the one side of filter screen (13) and clear up filter screen (13), avoid the rainwater directly to fall into the inside of box (1), lead to damaging electronic component (15) of box (1) inside, a protect function for the realization is to electronic component (15).