CN219321914U

CN219321914U - Safety protection structure of photovoltaic power station

Info

Publication number: CN219321914U
Application number: CN202223075938.9U
Authority: CN
Inventors: 周健
Original assignee: Hubei Xinghe Anyuan Power Engineering Co ltd
Current assignee: Hubei Xinghe Anyuan Power Engineering Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-07-07
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to a safety protection structure of a photovoltaic power station, which comprises a protection box and a protection assembly fixedly arranged on the upper surface of the protection box, wherein an installation box is fixedly arranged outside the protection box, a heat dissipation mechanism is arranged inside the protection box, and a shielding mechanism is arranged inside the installation box; the heat dissipation mechanism comprises a mounting frame fixed on the inner wall of the protection box, a heat dissipation fan fixed on one side of the mounting frame far away from the inner wall of the protection box, a heat dissipation hole formed in the protection box and a dust screen fixed outside the protection box and shielding the heat dissipation hole. This safety protection structure of photovoltaic power plant uses through the collocation of radiator fan and louvre, carries out the heat dissipation with the inside heat of protective housing and handles, drives axis of rotation and gear rotation through starting servo motor, and gear rotation and chain meshing drive the connecting axle and adjust shielding leaf, adjusts the size of air outlet simultaneously to reach the advantage that the radiating effect is good.

Description

Safety protection structure of photovoltaic power station

Technical Field

The utility model relates to the technical field of photovoltaic power station protection equipment, in particular to a safety protection structure of a photovoltaic power station.

Background

The photovoltaic power station is a power generation system which is formed by utilizing solar energy and adopting special materials such as a crystalline silicon plate, an inverter and other electronic elements, is connected with a power grid and transmits power to the power grid. Photovoltaic power plants are green electric power development energy projects which belong to the largest national encouragement.

The transformer is an indispensable important part of a photovoltaic power station, and the existing photovoltaic power station transformer is exposed out of the environment for years, so that the transformer is very easy to damage from the outside, and the photovoltaic power station cannot operate, and Chinese patent CN 202122711446.3 discloses a photovoltaic power station protection device, which comprises: the protection box and the two protection doors which are in sliding connection with the protection box are provided with through holes on one side of the protection box, and the protection plate pair and the spring can absorb a large amount of acting force, so that a transformer positioned in the protection box can be protected, cannot be damaged, and cannot generate electricity in a photovoltaic power station.

However, the protection mechanism lacks a heat dissipation structure, and as the installation position specificity of the photovoltaic panel is known, the inverter needs to be exposed to a region with sufficient illumination for a long time, so that the temperature of the inverter is increased, the light can not be well dissipated by virtue of the simple heat dissipation holes, the service life of the inverter is seriously influenced, and the use requirement can not be met, and therefore, the safety protection structure of the photovoltaic power station is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a safety protection structure of a photovoltaic power station, which has the advantages of good heat dissipation effect and the like, and solves the problems that the heat dissipation structure is lacking on the protection mechanism, the inverter needs to be exposed to a region with sufficient illumination for a long time, the temperature in the inverter is increased, and the service life of the inverter is seriously influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the safety protection structure of the photovoltaic power station comprises a protection box and a protection assembly fixedly arranged on the upper surface of the protection box, wherein an installation box is fixedly arranged outside the protection box, a heat dissipation mechanism is arranged inside the protection box, and a shielding mechanism is arranged inside the installation box;

the heat dissipation mechanism comprises a mounting frame fixed on the inner wall of the protective box, a heat dissipation fan fixed on one side of the mounting frame far away from the inner wall of the protective box, heat dissipation holes formed in the protective box and a dust screen fixed outside the protective box and shielding the heat dissipation holes;

the shielding mechanism comprises a servo motor fixedly arranged outside the installation box, a rotating shaft fixed on an output shaft of the servo motor, shielding blades and gears fixed on the rotating shaft, a chain connected outside the gears in a transmission manner and a connecting shaft rotatably arranged on the inner wall of the installation box.

Further, the protection subassembly comprises installation piece, bumper shock absorber, guard plate and protection pad, the quantity of installation piece is two in the protection subassembly, the bumper shock absorber is fixed between two installation pieces, two one side that the installation piece is separated is fixed with the upper surface of protective housing and the lower surface of guard plate respectively, the upper surface at the guard plate is fixed to the protection pad.

Further, the two mounting blocks are fixed with the protective box and the protective plate through bolts, and the bolts are locking bolts.

Further, the number of the radiating holes in the radiating mechanism is multiple, the radiating holes are matched with the installation phase of the radiating fan, and the size of the dustproof net is matched with the radiating holes.

Further, the number of the heat dissipation mechanisms and the number of the mounting boxes are two, and the two heat dissipation mechanisms and the two mounting boxes are respectively positioned at the left side and the right side of the inner part and the outer part of the protective box.

Further, fixed mounting has the cover that shelters from to servo motor on the right side outer wall of installation case, servo motor is located the inside that shelters from the cover, the installation case outside is fixed with the locating piece, and the inside activity of locating piece is provided with the locking bolt that extends to the protective housing inside, the air outlet with a plurality of louvres looks adaptation has been seted up to the inside of installation case.

Further, the shielding mechanism is characterized in that the number of shielding blades and gears is five, the number of connecting shafts is four, the five gears are respectively positioned outside the rotating shaft and the four connecting shafts, and the chains are respectively connected with the five gears in a transmission manner.

Further, the inner wall of the protective box is fixedly provided with nine bearings, the rotating shaft and the connecting shaft are the same in size, the nine bearings are respectively matched with the rotating shaft and the connecting shaft, and the outer walls of the rotating shaft and the four connecting shafts are respectively fixed with inner rings of the nine bearings.

Compared with the prior art, the utility model provides a safety protection structure of a photovoltaic power station, which has the following beneficial effects:

1. this safety protection structure of photovoltaic power plant uses through the collocation of radiator fan and louvre, carries out the radiating treatment with the inside heat of protective housing that can be better to realize the radiating effect, drive axis of rotation and gear rotation through starting servo motor, the gear rotation meshes with the chain and drives the connecting axle and adjust shielding the leaf, adjusts the size of air outlet simultaneously, effectively improves the radiating effect, thereby reaches the advantage that the radiating effect is good.

2. This safety protection structure of photovoltaic power plant through the dust screen, can protect the protective housing when realizing the heat dissipation, avoids the dust to enter into the inside of protective housing from the louvre is handled, further improves the protection effect, improves the protection to the dc-to-ac converter, makes it can safe and stable work, through the setting of protective component, can protect the inside transformer of protective housing, makes it can not receive the destruction, can not appear the unable condition of generating electricity of photovoltaic power plant.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is an external view of the structure of the present utility model;

fig. 3 is a structural side view of the mounting case of the present utility model.

In the figure: 1 protective box, 2 protective component, 21 installation piece, 22 bumper shock absorber, 23 guard plates, 24 protection pad, 3 mounting bracket, 4 radiator fan, 5 louvre, 6 dust screen, 7 installation box, 8 locating piece, 9 shielding cover, 10 servo motor, 11 axis of rotation, 12 shielding leaf, 13 gears, 14 chains, 15 connecting axle, 16 bearing.

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. 1-3, a safety protection structure of a photovoltaic power station includes a protection box 1 and a protection component 2 fixedly arranged on an upper surface of the protection box 1, wherein an installation box 7 is fixedly arranged outside the protection box 1, the protection component 2 is composed of two installation blocks 21, a shock absorber 22, a protection plate 23 and a protection pad 24, the number of the installation blocks 21 in the protection component 2 is two, the shock absorber 22 is fixed between the two installation blocks 21, one side of the two installation blocks 21, which is separated from each other, is respectively fixed with the upper surface of the protection box 1 and the lower surface of the protection plate 23, and the protection pad 24 is fixed on the upper surface of the protection plate 23. The two mounting blocks 21 are fixed with the protective box 1 and the protective plate 23 by bolts, and the bolts are locking bolts. Through guard plate 23 and bumper shock absorber 22, can protect the inside transformer of protective housing 1, make it can not receive the destruction, can not appear the unable condition of generating electricity of photovoltaic power plant, simultaneously through protection pad 24, can enough improve the protection effect, can protect guard plate 23 again, improve guard plate 23's life.

Wherein, the outside sliding connection of protective housing 1 has the guard gate, and the guard gate uses by drive arrangement control, through the lock bolt, is convenient for carry out the dismouting to protective component 2.

It should be noted that the driving device and the shock absorber are all conventional technologies known to the public in the prior art, so that detailed structural components and working principles thereof are not repeated herein.

In the embodiment, a heat dissipation mechanism is arranged in the protective box 1 and comprises a mounting frame 3 fixed on the inner wall of the protective box 1, a heat dissipation fan 4 fixed on one side of the mounting frame 3 far away from the inner wall of the protective box 1, a heat dissipation hole 5 formed in the protective box 1 and a dust screen 6 fixed outside the protective box 1 and shielding the heat dissipation hole 5; the number of the radiating holes 5 in the radiating mechanism is multiple, the radiating holes 5 are matched with the installation of the radiating fan 4, and the size of the dust screen 6 is matched with the radiating holes 5. The number of the heat dissipation mechanisms and the number of the mounting boxes 7 are two, and the two heat dissipation mechanisms and the two mounting boxes 7 are respectively positioned at the left side and the right side of the inner part and the outer part of the protective box 1. Through the collocation of radiator fan 4 and louvre 5, can be better carry out the heat dissipation with the inside heat of protective housing 1 and handle to realize the radiating effect, rethread dust screen 6 can protect protective housing 1 when realizing the heat dissipation, avoids the dust to enter into the inside of protective housing 1 from louvre 5 processing, further improves the protection effect, improves the protection to the dc-to-ac converter, makes it can safe and stable work.

It should be noted that, the battery assembly is installed inside the protection box 1, the cooling fan 4 is electrically connected with the battery assembly, the dust screen 6 is made of stainless steel, and the anti-corrosion and anti-rust paint is coated outside the dust screen 6. The heat dissipation fan 4 belongs to a conventional technology known to the public in the prior art, and therefore, the specific structural composition and working principle thereof will not be described in detail.

In the present embodiment, a shielding mechanism is provided inside the mounting box 7; the shielding mechanism comprises a servo motor 10 fixedly arranged outside the mounting box 7, a rotating shaft 11 fixed on an output shaft of the servo motor 10, shielding blades 12 and gears 13 fixed on the rotating shaft 11, a chain 14 connected outside the gears 13 in a transmission manner and a connecting shaft 15 rotatably arranged on the inner wall of the mounting box 7. The shielding mechanism comprises five shielding blades 12 and gears 13, four connecting shafts 15, five gears 13 respectively positioned outside the rotating shaft 11 and the four connecting shafts 15, and chains 14 respectively connected with the five gears 13 in a transmission way. A shielding cover 9 for shielding the servo motor 10 is fixedly arranged on the outer wall of the right side of the installation box 7, the servo motor 10 is located in the shielding cover 9, a positioning block 8 is fixedly arranged outside the installation box 7, a locking bolt extending to the inside of the protection box 1 is movably arranged in the positioning block 8, and an air outlet matched with the plurality of heat dissipation holes 5 is formed in the installation box 7. Through starting servo motor 10, make its output shaft drive axis of rotation 11 and gear 13 rotation, gear 13 rotation and chain 14 meshing and drive connecting axle 15 to adjust shielding leaf 12, thereby adjust the size of air outlet, improve the air-out effect, effectively improve the heat dissipation to protective housing 1.

Wherein, the outside of servo motor 10 is fixed with the motor frame, and the motor frame passes through the outside of bolt fastening at install bin 7, and the bolt is the mounting bolt, and the quantity of mounting bolt is four. Through the setting of shielding cover 9, can avoid servo motor 10 to expose outside, improve servo motor 10's life.

It should be noted that the distribution of the five shielding leaves 12 is adapted to the size of the mounting box 7, the five shielding leaves 12 are sequentially distributed in equal columns, and the distribution of the five shielding leaves 12 is adapted. By adjusting the shape of the five shielding leaves 12, it is possible to avoid entry of stormy weather rainwater from the air outlet into the interior of the protection box 1.

In this embodiment, nine bearings 16 are fixedly mounted on the inner wall of the protection box 1, the rotating shaft 11 and the connecting shaft 15 have the same size, the nine bearings 16 are respectively matched with the rotating shaft 11 and the connecting shaft 15, and the outer walls of the rotating shaft 11 and the four connecting shafts 15 are respectively fixed with the inner rings of the nine bearings 16. By the arrangement of the bearing 16, the adjustment of the shield blade 12 can be stabilized.

The working principle of the embodiment is as follows:

through the collocation of radiator fan 4 and louvre 5, can be better carry out the heat dissipation with the inside heat of protective housing 1 and handle, drive axis of rotation 11 and gear 13 rotation through starting servo motor 10, gear 13 rotation meshes with chain 14 and drives connecting axle 15, thereby adjust shielding leaf 12, thereby adjust the size of air outlet, rethread dust screen 6, can protect protective housing 1 when realizing that the heat dissipation, avoid the dust to handle the inside that enters into protective housing 1 from louvre 5, further improve the protection effect, improve the protection to the dc-to-ac converter.

The beneficial effects of the embodiment are as follows:

this safety protection structure of photovoltaic power plant uses through the collocation of radiator fan 4 and louvre 5, can be better carries out the heat dissipation with the inside heat of protective housing 1 and handles, thereby realize the radiating effect, through starting servo motor 10, make its output shaft drive axis of rotation 11 and gear 13 rotatory, gear 13 rotatory meshes with chain 14 and drive connecting axle 15, thereby adjust shielding leaf 12, thereby adjust the size of air outlet, effectively improve the radiating effect, rethread dust screen 6, can protect protective housing 1 when realizing the heat dissipation, avoid the dust to handle the inside of entering protective housing 1 from louvre 5, further improve the protecting effect, improve the protection to the dc-to-ac converter, make it can be safe and stable work, the lack heat radiation structure on the protection machanism has effectively been solved, the dc-to-ac converter needs long-time to expose in the sufficient region of illumination, lead to the inside temperature of dc-to the rise of dc-to-ac converter, the problem of the life of dc converter has seriously influenced.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a safety protection structure of photovoltaic power plant, includes protective housing (1) and fixed protective component (2) that set up at protective housing (1) upper surface, its characterized in that: the protection box is characterized in that an installation box (7) is fixedly arranged outside the protection box (1), a heat dissipation mechanism is arranged inside the protection box (1), and a shielding mechanism is arranged inside the installation box (7);

the heat dissipation mechanism comprises a mounting frame (3) fixed on the inner wall of the protective box (1), a heat dissipation fan (4) fixed on one side, far away from the inner wall of the protective box (1), of the mounting frame (3), a heat dissipation hole (5) formed in the protective box (1) and a dust screen (6) fixed outside the protective box (1) and shielding the heat dissipation hole (5);

the shielding mechanism comprises a servo motor (10) fixedly arranged outside the mounting box (7), a rotating shaft (11) fixed on an output shaft of the servo motor (10), shielding blades (12) and gears (13) fixed on the rotating shaft (11), a chain (14) connected outside the gears (13) in a transmission mode and a connecting shaft (15) rotatably arranged on the inner wall of the mounting box (7).

2. The safety structure of a photovoltaic power plant of claim 1, wherein: the protection component (2) comprises installation blocks (21), shock absorbers (22), protection plates (23) and protection pads (24), the number of the installation blocks (21) in the protection component (2) is two, the shock absorbers (22) are fixed between the two installation blocks (21), two one sides of the installation blocks (21) which are separated from each other are fixed with the upper surface of the protection box (1) and the lower surface of the protection plates (23) respectively, and the protection pads (24) are fixed on the upper surface of the protection plates (23).

3. The safety protection structure of a photovoltaic power plant according to claim 2, characterized in that: the two mounting blocks (21) are fixed with the protective box (1) and the protective plate (23) through bolts, and the bolts are locking bolts.

4. The safety structure of a photovoltaic power plant of claim 1, wherein: the number of the radiating holes (5) in the radiating mechanism is multiple, the radiating holes (5) are matched with the installation of the radiating fan (4), and the size of the dustproof net (6) is matched with the radiating holes (5).

5. The safety protection structure of a photovoltaic power plant according to claim 4, wherein: the number of the heat dissipation mechanisms and the number of the installation boxes (7) are two, the two heat dissipation mechanisms and the installation boxes (7) are respectively located at the left side and the right side of the inner portion and the outer portion of the protective box (1), and air outlets matched with the heat dissipation holes (5) are formed in the installation boxes (7).

6. The safety structure of a photovoltaic power plant of claim 1, wherein: the right side outer wall of the installation box (7) is fixedly provided with a shielding cover (9) for shielding the servo motor (10), the servo motor (10) is located inside the shielding cover (9), the installation box (7) is externally fixed with a positioning block (8), and a locking bolt extending to the inside of the protection box (1) is movably arranged inside the positioning block (8).

7. The safety structure of a photovoltaic power plant of claim 1, wherein: the shielding mechanism is characterized in that the number of shielding blades (12) and gears (13) in the shielding mechanism is five, the number of connecting shafts (15) is four, the five gears (13) are respectively positioned outside the rotating shaft (11) and the four connecting shafts (15), and the chains (14) are respectively connected with the five gears (13) in a transmission manner.

8. The safety structure of a photovoltaic power plant of claim 7, wherein: the inner wall of the protective box (1) is fixedly provided with nine bearings (16), the rotating shaft (11) and the connecting shaft (15) are the same in size, the nine bearings (16) are respectively matched with the rotating shaft (11) and the connecting shaft (15), and the outer walls of the rotating shaft (11) and the four connecting shafts (15) are respectively fixed with inner rings of the nine bearings (16).