CN219164492U

CN219164492U - Photovoltaic board angularly adjustable swing support

Info

Publication number: CN219164492U
Application number: CN202223519054.8U
Authority: CN
Inventors: 于元亮
Original assignee: Shandong Jinhong New Energy Co ltd
Current assignee: Shandong Jinhong New Energy Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-09
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a photovoltaic board angularly adjustable swing support, includes support frame and drive module, the support frame includes stand and crossbearer, the top of stand rotates with the centre of crossbearer to be connected, and its lower extreme is fixed subaerial perpendicularly, the crossbearer is used for fixed photovoltaic board's downside surface, drive module includes driving motor, wire rope, drive fixed pulley and movable pulley, wire rope's both ends are connected respectively with the both ends of crossbearer the below of crossbearer is provided with the drive fixed pulley, drive fixed pulley and driving motor's output shaft coaxial rotation is connected, be provided with the pulley seat between drive fixed pulley and the stand, driving motor fixed connection is on the pulley seat, the surface of stand is provided with along stand length direction sliding connection's movable pulley, wire rope respectively with drive fixed pulley and movable pulley winding connection. The movable pulley can tighten the steel wire rope under the action of gravity, so that the steel wire rope is always in a straightened state, and the steel wire rope is prevented from being wound.

Description

Photovoltaic board angularly adjustable swing support

Technical Field

The utility model relates to the field of photovoltaic supports, in particular to a swinging support with an adjustable angle of a photovoltaic panel.

Background

Photovoltaic technology refers to technology that directly converts solar energy into electrical energy. In this technology, it is necessary to place the photovoltaic panel at a place where the illumination is sufficient, so that the photovoltaic panel can sufficiently absorb solar energy.

However, in a real environment, the position of the sun in the sky is known to be constantly changed, so that the angle of the photovoltaic panel also needs to be constantly adjusted, so that the photovoltaic panel can directly face the light from the sun at any time, and the absorption and the utilization of the light energy are ensured.

In order to achieve the function, the photovoltaic system in the current market is provided with an adjustable bracket capable of adjusting the inclination angle of the photovoltaic panel below the photovoltaic panel, the adjustable bracket in the current market usually utilizes a plc control unit to control a driving motor to drive the photovoltaic panel to rotate after passing through a speed change mechanism, so that the purpose of adjusting the inclination direction of the photovoltaic panel is achieved, but the speed change mechanism of the adjustable bracket is complex in general structure, and a certain cost waste can be caused by large-scale application, the applicant also discloses a photovoltaic panel swinging bracket in a patent CN218103040U, the swinging bracket is provided with a semicircular swinging bracket, and the purpose of adjusting the inclination angle of the photovoltaic panel is achieved by driving a steel wire rope wound on the outer side of the swinging bracket through a motor.

However, in use, the semicircular swinging frame can slightly increase the manufacturing difficulty and cost of the integral bracket, so that the cost of photovoltaic power generation is slightly increased.

Disclosure of Invention

The utility model aims to provide a swinging bracket with an adjustable angle for a photovoltaic panel, so as to solve the problems in the background art.

The technical scheme of the utility model is as follows:

the utility model provides a photovoltaic board angularly adjustable swing support, includes support frame and drive module, the support frame includes stand and crossbearer, the top of stand rotates with the centre of crossbearer to be connected, and its lower extreme is fixed subaerial perpendicularly, for the photovoltaic board that fixes on swing support and the swing support provides the support, the crossbearer is used for the downside surface of fixed photovoltaic board, drive module includes driving motor, wire rope, drive fixed pulley and movable pulley, wire rope's both ends are connected respectively with the both ends of crossbearer the below of crossbearer is provided with the drive fixed pulley, the coaxial swivelling joint of drive fixed pulley and driving motor's output shaft, be provided with the pulley seat between drive fixed pulley and the stand, driving motor fixed connection is on the pulley seat, the surface of stand is provided with along stand length direction sliding connection's movable pulley, wire rope twines with drive fixed pulley and movable pulley respectively and movable pulley and is connected. When the photovoltaic board of fixing above the crossbearer needs to carry out angle adjustment, driving motor can drive wire rope to this realizes the inclination adjustment of photovoltaic board on the crossbearer, and the movable pulley can take up wire rope under the effect of gravity, makes wire rope be in the state of stretching straight always, avoids wire rope winding.

According to the swinging bracket with the adjustable angle of the photovoltaic panel, the fixed pulleys, the movable pulleys and the transverse frame are all arranged in the same vertical plane, so that the steel wire ropes connected among the fixed pulleys, the movable pulleys and the transverse frame can avoid the torsion phenomenon of relatively driving the fixed pulleys and the movable pulleys.

The swinging support with the adjustable angle of the photovoltaic panel is characterized in that the connecting lugs are arranged below the two ends of the transverse frame, the connecting rings are respectively connected to the two ends of the steel wire rope, the two ends of the steel wire rope are rotationally connected with the corresponding connecting lugs through the connecting rings, and the connecting rings are arranged at the two ends of the steel wire rope and connected with the connecting lugs of the transverse frame, so that the fine steel wires forming the steel wire rope can be prevented from being broken by grinding.

Preferably, the driving motor adopts a braking stepping motor, and the characteristics of high precision and automatic braking of the braking stepping motor under power failure accord with the requirement of angle adjustment of the photovoltaic panel.

According to the swinging bracket with the adjustable angle of the photovoltaic panel, when the driving fixed pulley drives the steel wire rope, the steel wire rope is driven by virtue of friction force between the driving fixed pulley and the steel wire rope, so that sufficient friction force between the driving fixed pulley and the steel wire rope is ensured, and the steel wire rope is wound in a chute of the driving fixed pulley at least once.

According to the swinging bracket with the adjustable angle of the photovoltaic panel, the upright post is provided with the auxiliary fixed pulleys on the opposite sides of the driving fixed pulleys through the pulley seats, the auxiliary fixed pulleys are rotationally connected with the corresponding pulley seats, and the auxiliary fixed pulleys are further connected with the steel wire ropes in a winding manner. The auxiliary fixed pulleys are arranged between the movable pulleys and the cross bars, so that deformation and bending of the steel wire rope due to overlong length can be avoided.

The swing support with the adjustable angle of the photovoltaic panel is characterized in that the upright post is provided with the sliding hole at the position which is in sliding connection with the rotating shaft of the movable pulley, the sliding hole comprises a strip shape and is arranged along the length direction of the upright post, and the movable pulley can straighten the steel wire rope by sliding downwards along the sliding hole.

Further, one end of the rotating shaft far away from the movable pulley is provided with a balancing weight, and the weight of the balancing weight is matched with the weight of the movable pulley. The balancing weight can increase the weight, so that the tension for keeping the steel wire rope in a stretched state is increased. Preferably, a counterweight block can be added on one side of the movable pulley, so that the pulling force on the steel wire rope is further increased.

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

according to the swing bracket with the adjustable angle of the photovoltaic panel, the pulley block is adopted to ensure that the steel wire rope for adjusting the angle is in a straightened state, so that the swing bracket with the same effect disclosed by the applicant in CN218103040U is optimized, the manufacturing cost between swings is reduced, the benefit conversion of photovoltaic power generation is improved, and the popularization and development of the photovoltaic power generation technology are facilitated.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a schematic view of a swing bracket with an adjustable angle for a photovoltaic panel according to the present utility model;

FIG. 2 is a schematic view of a portion of a traveling block of the present utility model in detail;

FIG. 3 is a schematic diagram of the connection of two ends of the steel wire rope with the cross frame according to the utility model;

FIG. 4 is a schematic view of a portion of a drive crown block according to the present utility model in detail;

wherein reference numerals denote:

1. a support frame; 11. a column; 12. a cross frame; 13. a connecting lug; 14. a sliding hole; 15. a pulley seat; 2. a driving module; 21. a driving motor; 22. a wire rope; 23. driving a fixed pulley; 24. a movable pulley; 25. a connecting ring; 26. balancing weight; 27. and an auxiliary fixed pulley.

Detailed Description

Referring to fig. 1-3, a photovoltaic panel angle adjustable swing bracket comprises a support frame 1 and a driving module 2, wherein the support frame 1 comprises a stand column 11 and a transverse frame 12, the top end of the stand column 11 is connected with the middle of the transverse frame 12 in a rotating way, the lower end of the support frame is vertically fixed on the ground, the support frame is used for supporting the swing bracket and a photovoltaic panel fixed on the swing bracket, the transverse frame 12 is used for fixing the lower side surface of the photovoltaic panel, the driving module 2 comprises a driving motor 21, a steel wire rope 22, a driving fixed pulley 23 and a movable pulley 24, two ends of the steel wire rope 22 are respectively connected with two ends of the transverse frame 12, the driving fixed pulley 23 is coaxially connected with an output shaft of the driving motor 21 in a rotating way, a pulley seat 15 is arranged between the driving fixed pulley 23 and the stand column 11, the driving motor 21 is fixedly connected on the pulley seat 15, the surface of the stand column 11 is provided with a movable pulley 24 which is in sliding connection along the length direction of the stand column 11, and the steel wire rope 22 is respectively connected with the driving fixed pulley 23 and the movable pulley 24 in a winding way. When the photovoltaic panel fixed on the cross frame 12 needs to be angularly adjusted, the driving motor 21 can drive the driving fixed pulley 23 coaxially and rotatably connected with the driving fixed pulley to rotate, so that one end of the steel wire rope 22 is shortened, the other end of the steel wire rope 22 is lengthened, the cross frame 12 at the end can be pulled to be turned downwards by the shortened end of the steel wire rope 22, the cross frame 12 can be turned upwards by the lengthened end, the inclination angle adjustment of the photovoltaic panel on the cross frame 12 is realized, when the driving motor 21 drives the steel wire rope 22, although one end of the steel wire rope 22 is lengthened, the other end of the steel wire rope 22 is shortened, the lengthened and shortened distance of the steel wire rope 22 is not the same, and therefore, the movable pulley 24 needs to be provided with the movable pulley 24 capable of sliding along the upright post 11, the steel wire rope 22 can be tensioned under the action of gravity, the steel wire rope 22 is always in a straight state, the whole structure of the swing bracket is simpler, the swing bracket for straightening the steel wire rope 22 in CN218103040U is abandoned, the swing bracket for keeping the straight steel wire rope 22 is kept in the straight state by the distance, and the manufacturing cost of the swing bracket is reduced.

Further, a sliding hole 14 is provided at a position where the upright 11 is slidably connected to the rotating shaft of the movable pulley 24, and the shape of the sliding hole 14 includes a long strip shape and is disposed along the length direction of the upright 11. The rotating shaft of the movable pulley 24 is slidably connected in the sliding hole 14, and when the lengths of the two ends of the steel wire rope 22 are changed and redundancy occurs, the movable pulley 24 slides downwards along the sliding hole 14 under the action of gravity, so that the steel wire rope 22 can still keep a straightened state.

Further, referring to fig. 2, a counterweight 26 is disposed at an end of the rotation shaft away from the movable pulley 24, and the weight of the counterweight 26 matches the weight of the movable pulley 24. The weight 26 can increase the weight on one hand, thereby increasing the pulling force for keeping the wire rope 22 in a straightened state, and limit the other end of the rotating shaft to prevent the rotating shaft from being separated from the sliding hole 14 on the other hand, and preferably, the weight 26 can be added on one side of the movable pulley 24, thereby further increasing the pulling force on the wire rope 22.

Preferably, the fixed pulley, the movable pulley 24 and the cross frame 12 are all disposed in a vertical same plane, so that the wire rope 22 connected between the driving fixed pulley 23, the movable pulley 24 and the cross frame 12 avoids the torsion phenomenon of the driving fixed pulley 23 and the movable pulley 24, prevents the wire rope 22 from being blocked with the fixed pulley and the movable pulley 24, and ensures that smooth rotation can be performed between the wire rope 22 and the driving fixed pulley 23 and the movable pulley 24 when the angle of the photovoltaic panel is adjusted.

Referring to fig. 3, the connecting lugs 13 are disposed below two ends of the transverse frame 12, two ends of the steel wire rope 22 are respectively connected with the connecting rings 25, two ends of the steel wire rope 22 are rotationally connected with the corresponding connecting lugs 13 through the connecting rings 25, the steel wire rope 22 is generally made of a plurality of thin steel wires, if the steel wire rope is relatively moved with other objects for a plurality of times for a long time, the thin steel wires forming the steel wire rope 22 are easy to wear and break, the structural strength and tensile capacity of the steel wire rope 22 are affected due to the fact that the number of the thin steel wires break is increased, the two ends of the steel wire rope 22 are provided with the connecting rings 25 connected with the connecting lugs 13 of the transverse frame 12, the thin steel wires forming the steel wire rope 22 can be prevented from being broken, and the service life of the steel wire rope 22 is effectively prolonged.

Preferably, the driving motor 21 is a braking stepping motor, the angle adjustment of the photovoltaic panel generally requires high precision, the photovoltaic panel is required to be braked at any inclined position, and the characteristic that the braking stepping motor is high in precision and can automatically brake after power failure just meets the requirement of the angle adjustment of the photovoltaic panel.

Referring to fig. 4, when the driving fixed pulley 23 drives the steel wire rope 22, the steel wire rope 22 is driven by the friction force between the driving fixed pulley 23 and the steel wire rope 22, so that the steel wire rope 22 is wound in a chute of the driving fixed pulley 23 at least once to ensure that a sufficient contact area is formed between the driving fixed pulley 23 and the steel wire rope 22, thereby ensuring the friction force between the driving fixed pulley 23 and the steel wire rope 22, and the driving fixed pulley 23 can drive the steel wire rope 22.

Preferably, referring to fig. 2, the upright 11 is provided with an auxiliary fixed pulley 27 on the opposite side of the driving fixed pulley 23 through a pulley seat 15, the auxiliary fixed pulley 27 is rotatably connected with the corresponding pulley seat 15, and the auxiliary fixed pulley 27 is also winded and connected with the wire rope 22. The steel wire rope 22 is easy to deform and bend when the length is too long, and the auxiliary fixed pulley 27 is arranged between the movable pulley 24 and the cross rod, so that pressure can be applied to the steel wire rope 22, and deformation and bending of the steel wire rope 22 due to the too long length are avoided.

Claims

1. The utility model provides a photovoltaic board angularly adjustable swing support, its characterized in that includes support frame (1) and drive module (2), support frame (1) includes stand (11) and crossbearer (12), the top of stand (11) is connected with the centre rotation of crossbearer (12), and its lower extreme is perpendicular to be fixed subaerial, crossbearer (12) are used for the downside surface of fixed photovoltaic board, drive module (2) include driving motor (21), wire rope (22), drive fixed pulley (23) and movable pulley (24), the both ends of wire rope (22) are connected respectively with the both ends of crossbearer (12) the below of crossbearer (12) is provided with drive fixed pulley (23), drive fixed pulley (23) are connected with the output shaft coaxial rotation of driving motor (21), be provided with between drive fixed pulley (23) and stand (11) pulley seat (15), driving motor (21) fixed connection is on pulley seat (15), the surface of stand (11) is provided with along stand (11) length direction sliding connection's (24) wire rope (24) and movable pulley winding respectively.

2. The swing bracket with adjustable angle for a photovoltaic panel according to claim 1, wherein the fixed pulley, the movable pulley (24) and the cross frame (12) are all arranged in a vertical same plane.

3. The swing bracket with the adjustable angle for the photovoltaic panel according to claim 1, wherein connecting lugs (13) are arranged below two ends of the transverse frame (12), two ends of the steel wire rope (22) are respectively connected with connecting rings (25), and two ends of the steel wire rope (22) are rotatably connected with the corresponding connecting lugs (13) through the connecting rings (25).

4. An angularly adjustable oscillating support for photovoltaic panels according to claim 1, characterized in that said driving motor (21) is a braking stepper motor.

5. An angularly adjustable oscillating support for photovoltaic panels according to claim 1, characterized in that said wire (22) is wound at least once in a chute of the driving crown block (23).

6. The swing bracket with adjustable angle for a photovoltaic panel according to claim 1, wherein the upright (11) is provided with an auxiliary fixed pulley (27) on the opposite side of the driving fixed pulley (23) through a pulley seat (15), the auxiliary fixed pulley (27) is rotatably connected with the corresponding pulley seat (15), and the auxiliary fixed pulley (27) is also winded and connected with a steel wire rope (22).

7. The swing bracket with the adjustable angle for the photovoltaic panel according to claim 1, wherein a sliding hole (14) is arranged at a position where the upright post (11) is slidably connected with a rotating shaft of the movable pulley (24), the sliding hole (14) comprises a strip shape, the sliding hole is arranged along the length direction of the upright post (11), and the movable pulley (24) slides downwards along the sliding hole (14) to straighten the steel wire rope (22).

8. The swing bracket with adjustable angle for a photovoltaic panel according to claim 7, wherein a counterweight (26) is provided at an end of the rotating shaft away from the movable pulley (24), and the weight of the counterweight (26) is matched with the weight of the movable pulley (24).