CN210518189U

CN210518189U - Photovoltaic module tracking system

Info

Publication number: CN210518189U
Application number: CN201921273539.9U
Authority: CN
Inventors: 张国良; 韩鹏宇; 黄凯; 蔡武刚
Original assignee: Suzhou Sterey Electric Power Development Co ltd; Suzhou Gaochuangte New Energy Sources Development Co ltd
Current assignee: Suzhou ATSI New Energy Development Co.,Ltd.; SUZHOU STEREY ELECTRIC POWER DEVELOPMENT Co.,Ltd.
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a photovoltaic module tracker, be in including support frame, rotatable setting with the live-beams that is used for fixed photovoltaic module on the support frame, the live-beams extends along X axle direction, photovoltaic module tracker still includes telescopic link and drive arrangement, the telescopic link have with live-beams fixed connection's stiff end and the flexible drive end that removes of stiff end relatively, the drive end link to each other with drive arrangement and under drive arrangement's the effect, the drive end removes along the Y axle direction of perpendicular to X axle direction, so that the stiff end drives the live-beams is rotatory. The utility model discloses the requirement that whole photovoltaic module tracker was built to the concrete foundation has been simplified in setting up of telescopic link, and the prevention hinders the condition of telescopic link operation because of weeds clump to flexibility when having improved whole photovoltaic module tracker and having trailed.

Description

Photovoltaic module tracking system

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a photovoltaic module tracker.

Background

With the development of clean energy, photovoltaic power stations are increasingly used. In order to effectively improve the annual energy production of the photovoltaic power station, the photovoltaic module tracking system is favored by large-scale photovoltaic power station projects. The photovoltaic module tracking system enables the photovoltaic module to be always opposite to the sun by adjusting the orientation of the photovoltaic module erected on the photovoltaic module tracking system, so that the maximum irradiation amount is obtained, and the power generation efficiency of the whole photovoltaic power station is improved.

In the prior art, a photovoltaic module tracking system usually adopts a flat single-shaft photovoltaic tracking support, that is, a driving unit drives a torsion beam arranged in the north-south direction to rotate so as to enable a photovoltaic module arranged on the torsion beam to swing in the east-west direction to achieve the tracking effect. The driving unit mainly comprises a rotary speed reducing motor, an electric push cylinder and the like, and is directly and rigidly connected to a rotary actuating mechanism of the tracking support so as to provide power for tracking. However, when strong wind occurs, the driving unit is directly hit by impact force with constantly changing directions, no buffer exists, and the service life of the driving unit is easily shortened; in addition, in order to resist strong wind, the flat single-shaft photovoltaic tracking support needs to strengthen the structural strength, for example, materials with higher strength, the thickness and the size of a reinforcing material and the like are selected, so that the cost is increased, and the installation difficulty is also improved; in addition, the driving unit needs to be erected near the same horizontal height as the torque beam, so that when a photovoltaic tracking support with a higher height needs to be erected, the driving unit needs to be correspondingly erected very high, and the difficulty of installation, operation and maintenance is increased; furthermore, the construction of prior art photovoltaic tracking racks is often subject to geographical constraints, for example areas with weeds that often prevent proper operation of their actuators.

Therefore, in order to solve the above problems, a new photovoltaic module tracking system must be designed.

SUMMERY OF THE UTILITY MODEL

In order to realize the above object, the utility model provides a photovoltaic module tracker, be in including support frame, rotatable setting with the live-beams that is used for fixed photovoltaic module on the support frame, the live-beams extends along X axle direction, photovoltaic module tracker still includes telescopic link and drive arrangement, the telescopic link have with live-beams fixed connection's stiff end and the flexible drive end that removes of relatively stiff end, the drive end link to each other with drive arrangement and under drive arrangement's the effect, the drive end removes along the Y axle direction of perpendicular to X axle direction, so that the stiff end drives the live-beams is rotatory.

As a further improvement of the utility model, the support frame includes the base, drive arrangement include drive mechanism, set up in slide rail mechanism that extends on the base and along the Y axle direction reaches and receives drive mechanism draws the edge slide rail mechanism gliding slider, the drive end connect in on the slider.

As a further improvement of the utility model, the slider includes the basal portion, be equipped with the drive shaft that extends along the X axle direction in the basal portion, the drive end runs through along the X axle direction and offers and is used for the installation the mounting hole of drive shaft, the drive end can be relative the drive shaft is rotatory.

As a further improvement of the present invention, the sliding member further includes lower rollers disposed on both sides of the base portion along the Y-axis direction, and the slide rail mechanism includes a slide rail for accommodating the lower rollers; the lower roller rolls in the slideway.

As a further improvement of the present invention, the sliding member further includes upper rollers disposed on both sides of the base portion along the Y-axis direction and located above the lower rollers, and the slide rail mechanism includes a slide rail located above the slide rail and protruding upward; the upper roller rolls on the sliding rail.

As a further improvement of the present invention, the traction mechanism includes a traction rope, a winch located at one side of the base and used for winding and driving the traction rope, and a transmission assembly located at both ends of the slide rail mechanism along the Y-axis direction and used for changing the transmission direction of the traction rope; the slider has fixing portions formed at both ends of the slider in the Y-axis direction.

As a further improvement, the conveying assembly comprises a pair of reversing wheels, the two ends of the traction rope are respectively fixed on the fixed part and then wound on the reversing wheels and the winding machine.

As a further improvement of the utility model, the telescopic rod is formed by movably sleeving a hollow outer tube and an inner tube, the fixed end is formed at the upper end of the outer tube, and the driving end is formed at the lower end of the inner tube; under the action of the driving device, the inner tube makes telescopic motion relative to the outer tube, so that the height of the telescopic rod is always unchanged in the Z-axis direction perpendicular to the X-axis direction and the Y-axis direction.

As a further improvement of the utility model, the telescopic rod further comprises a wear-resistant filler filled between the inner tube and the outer tube.

As a further improvement of the present invention, the support frame further comprises a positioning column fixed on the base and having a triangular fixing structure formed thereon, and the rotating beam is rotatably connected to the positioning column.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the photovoltaic module tracking system of the utility model enables the photovoltaic module fixed on the photovoltaic module tracking system to be capable of facing the sun, thereby obtaining the maximum irradiation amount and improving the power generation efficiency; and, the utility model discloses setting up of telescopic link compares with prior art, has simplified the requirement that whole photovoltaic module tracker built to the concrete foundation, and the prevention hinders the condition of telescopic link operation because of weeds clump to flexibility when having improved whole photovoltaic module tracker and having trailed reduces the fault rate, alleviates fortune dimension personnel's work load.

Drawings

Fig. 1 is a schematic perspective view of the photovoltaic module tracking system of the present invention;

fig. 2 is a top view of the photovoltaic module tracking system of the present invention;

fig. 3 is a schematic structural view of the telescopic rod of the photovoltaic module tracking system of the present invention;

fig. 4 is a schematic structural diagram of a sliding member of the photovoltaic module tracking system of the present invention;

100-photovoltaic module tracking system; 1-a support frame; 11-a base; 12-a positioning column; 2-a turning beam; 3, a telescopic rod; 31-a fixed end; 311-anchor ear; 32-a drive end; 321-mounting holes; 33-an outer tube; 331-convex shaft; 34-an inner tube; 4-a traction mechanism; 41-a traction rope; 42-a winch; 43-a transfer assembly; 431-a reversing wheel; 5-a slide rail mechanism; 51-a slide; 511-upper wall surface; 512-lower wall surface; 52-a slide rail; 6-a slide; 61-a base; 611-a drive shaft; 612-a positioning section; 62-lower rollers; 63-upper roller; 64-a fixed portion.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

The utility model provides a photovoltaic module tracker 100, for the convenience of description, the utility model discloses a photovoltaic module tracker 100 has defined mutually perpendicular's X axle direction, Y axle direction and Z axle direction. In practical operation, in order to enable the photovoltaic module to face the sun, the X-axis direction is the north-south direction, the Y-axis direction is the east-west direction, and the Z-axis direction is the up-down direction.

According to fig. 1-4, the photovoltaic module tracking system 100 includes a support frame 1, a rotating beam 2 rotatably disposed on the support frame 1 for fixing a photovoltaic module, the rotating beam 2 extends along an X-axis direction, the photovoltaic module tracking system 100 further includes a telescopic rod 3 and a driving device, the telescopic rod 3 has a fixed end 31 fixedly connected to the rotating beam 2 and a driving end 32 capable of moving in a telescopic manner relative to the fixed end 31, the driving end 32 is connected to the driving device, and under the action of the driving device, the driving end 32 moves along a Y-axis direction perpendicular to the X-axis direction, so that the fixed end 31 drives the rotating beam 2 to rotate.

The photovoltaic module tracking system 100 of the present invention enables the photovoltaic module fixed thereon to face the sun, thereby obtaining the maximum irradiation amount and improving the power generation efficiency; furthermore, the utility model discloses telescopic link 3's setting is compared with prior art, has simplified the requirement that whole photovoltaic module tracker 100 was built to the concrete foundation, and the prevention hinders the condition that telescopic link 3 moved because of weeds clump to flexibility when having improved whole photovoltaic module tracker 100 and having trailed reduces the fault rate, alleviates fortune dimension personnel's work load.

Specifically, the support frame 1 includes a base 11 and a positioning column 12 fixed on the base 11 and forming a triangular fixing structure with the base 11, and the rotating beam 2 is rotatably connected to the positioning column 12. Preferably, in this embodiment, the positioning columns 12 are provided with 2 and symmetrically formed on two sides of the base 11 extending along the Y-axis direction, and any one of the positioning columns 12 is connected to each other by upper ends of a pair of vertical columns (not numbered) and is rotatably connected to the rotating beam 2 through a bearing seat structure. Reference column 12 can the stable stay be fixed with photovoltaic module's live-beams 2, so that live-beams 2 can be in the drive of the stiff end 31 of telescopic link 3 is relative reference column 12 is rotatory. Of course, the positioning column 12 can also adopt other structures to be connected with the turning beam 2 in a rotating manner, and the purpose of the present invention can be achieved only by achieving the effect that the turning beam 2 can rotate relative to the positioning column 12.

As shown in fig. 3, in the present embodiment, the telescopic rod 3 is formed by movably sleeving a hollow outer tube 33 and an inner tube 34, the fixed end 31 is formed at the upper end of the outer tube 33, and the driving end 32 is formed at the lower end of the inner tube 34; under the action of the driving device, the inner tube 34 makes telescopic motion relative to the outer tube 33, so that the height of the telescopic rod 3 is always constant in the Z-axis direction perpendicular to the X-axis direction and the Y-axis direction. Specifically, in this embodiment, the telescopic link 3 is arranged between the base 11 and the rotating beam 2, so as to ensure that the telescopic link 3 does not protrude below the base 11 all the time during the telescopic movement, that is, no matter the photovoltaic module tracking system 100 is arranged anywhere, the telescopic link 3 does not hinder the rotating beam 2 from rotating, thereby improving the flexibility of the whole photovoltaic module tracking system 100 during tracking. Of course, the telescopic rod 3 can also be set to other telescopic structures, for example, a plurality of tube bodies are nested in sequence to form or a telescopic auxiliary member is added, as long as the telescopic rod 3 can perform telescopic motion, the protection scope of the present invention is within the scope of the present invention. Preferably, in the present invention, the telescopic rod 3 further comprises a wear-resistant filler filled between the inner tube 34 and the outer tube 33, so as to prevent the inner tube 34 and the outer tube 33 from being damaged due to direct friction, thereby prolonging the service life of the telescopic rod 3.

In addition, a hoop 311 is formed on the fixed end 31 of the telescopic rod 3 to be fixedly connected with the rotating beam 2. In addition, the outer tube 33 of the telescopic rod 3 is further provided with a protruding shaft 331 protruding from the outer wall surface of the outer tube 33 so as to be convenient for connecting other structures to realize multi-row linkage.

As shown in fig. 1 and 2, the driving device of the photovoltaic module tracking system 100 of the present invention includes a traction mechanism 4, a sliding rail mechanism 5 disposed on the base 11 and extending along the Y-axis direction, and a slider 6 pulled by the traction mechanism 4 along the sliding rail mechanism 5. Wherein the drive end 32 is connected to the slide 6. The photovoltaic module tracking system 100 drives the sliding part 6 to move through the traction mechanism 4, so that the driving end 32 connected to the sliding part 6 moves along with the sliding part 6, and the fixed end 31 of the telescopic rod 3 drives the rotating beam 2 to rotate. Drive arrangement of photovoltaic module tracker 100 adopts drive mechanism 4 and slider 6, slide rail mechanism 5's cooperation mode, and when facing strong wind, the impact force of strong wind conveys on drive mechanism 4, slider 6 and slide rail mechanism 5, the impact force of strong wind is shared jointly to drive mechanism 4, slider 6 and slide rail mechanism 5 this moment, has greatly improved whole photovoltaic module tracker 100's under the strong wind stability.

Specifically, as shown in fig. 4, the slider 6 includes a base 61, lower rollers 62 provided on both sides of the base 61 in the Y-axis direction, and upper rollers 63 provided on both sides of the base 61 in the Y-axis direction and located above the lower rollers 62; in addition, the slider 6 has fixing portions 64 formed at both ends of the slider 6 in the Y-axis direction.

A driving shaft 611 extending along the X-axis direction is disposed in the base 61, a mounting hole 321 for mounting the driving shaft 611 is formed through the driving end 32 along the X-axis direction, and the driving end 32 can rotate relative to the driving shaft 611. By connecting the driving end 32 to the sliding part 6 engaged with the sliding mechanism, the driving shaft 611 of the sliding part 6 drives the driving end 32 to move and rotate, and simultaneously drives the telescopic rod 3 to perform telescopic motion. Of course, the driving end 32 can be connected to the sliding member 6 in other manners, so long as the driving end 32 moves along the Y-axis direction along with the sliding member 6, so that the fixed end 31 drives the rotating beam 2 to rotate, which can achieve the purpose of the present invention.

In addition, in the present embodiment, the lower rollers 62 are attached to the outer surfaces of the base 61 on both sides in the Y-axis direction, and the lower rollers 62 have a ring shape for facilitating rolling. The base 61 has a positioning portion 612 protruding upward, the upper roller 63 is fixed on the positioning portion 612, the position of the upper roller 63 protrudes outward along the X-axis direction relative to the position of the lower roller 62, and the upper roller 63 is recessed along the Z-axis direction to form a straddling portion (not numbered).

As shown in fig. 1, the slide rail mechanism 5 includes a slide rail 51 for accommodating the lower roller 62, and the lower roller 62 rolls in the slide rail 51; specifically, in the present embodiment, the chute 51 has an upper wall surface 511 and a lower wall surface 512, and the lower roller 62 is clamped in the upper wall surface 511 and the lower wall surface 512 of the chute 51 to prevent the lower roller 62 from being separated from the chute 51 under the action of strong wind. The slide rail mechanism 5 further includes a slide rail 52 located above the slide rail 51 and protruding upward, and the upper roller 63 rolls on the slide rail 52. Specifically, in the rolling process of the upper roller 63, the concave straddling part is erected on the protruding slide rail 52, and at this time, two sides of the upper roller 63 in the Y-axis direction are clamped on two sides of the slide rail 52 to roll, so that the position of the sliding part 6 is prevented from being shifted when the sliding part slides along the Y-axis direction, the sliding part 6 always slides along the extending direction of the slide rail 52, and the sliding reliability of the sliding part 6 when facing strong wind is further improved.

In addition, the traction mechanism 4 includes a traction rope 41, a winch 42 located on one side of the base 11 and used for winding and driving the traction rope 41, and a transmission assembly 43 disposed at two ends of the slide rail mechanism 5 along the Y-axis direction and used for changing the transmission direction of the traction rope 41. Specifically, the conveying assembly 43 includes a pair of reversing wheels 431, two ends of the pulling rope 41 are respectively fixed on the fixing portion 64 of the sliding member 6, and then wind around the reversing wheels 431 and wind around the winding machine 42, and the pulling rope 41 is driven by the winding machine 42 to pull the sliding member 6 to move. Preferably, in this embodiment, the hauling cable 41 is a steel cable. Firstly, when the photovoltaic module tracking system 100 of the present invention adopts the above-mentioned traction mechanism 4 to face strong wind, the traction rope 41 can buffer and absorb the impact force of strong wind, so that the driving process of the whole photovoltaic module tracking system 100 is more flexible, and the problem that the service life of the conventional driving unit is reduced because the conventional driving unit is continuously subjected to direct impact of strong wind impact force due to the direct rigid connection of the rotary actuator is changed; secondly, the installation position of the winch 42 of the traction mechanism 4 is not limited, and the winch can be installed at a lower position of the whole photovoltaic module tracking system 100, for example, at one side of the base 11 in the present embodiment, so that the problem that the driving unit of the flat single-shaft photovoltaic tracking bracket in the prior art must be erected near the same horizontal height as the torsion beam is solved. Therefore, when the photovoltaic module tracking system 100 is applied to projects with high heights, such as agriculture/fishing light complementation, the length of the telescopic rod 3 can be extended, and the winch 42 is arranged at a lower mounting position, so that the future replacement and maintenance are facilitated.

To sum up, the photovoltaic module tracking system 100 of the present invention enables the photovoltaic module fixed thereon to face the sun, so as to obtain the maximum irradiation amount and improve the power generation efficiency; and, the utility model discloses a setting of telescopic link 3 compares with prior art, has simplified the requirement that whole photovoltaic module tracker 100 was built to the concrete foundation, and the prevention hinders the condition of 3 operations of telescopic link because of weeds clump growth to flexibility when having improved whole photovoltaic module tracker 100 and having trailed reduces the fault rate, alleviates fortune dimension personnel's work load.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The above detailed description of a series of embodiments is only for the purpose of illustration, and is not intended to limit the scope of the invention, which is intended to include all equivalent embodiments or modifications that do not depart from the spirit of the invention.

Claims

1. The utility model provides a photovoltaic module tracker, includes the support frame, can rotate the setting in order to be used for fixed photovoltaic module's live-beam on the support frame, the live-beam extends along X axle direction, its characterized in that: the photovoltaic module tracking system further comprises a telescopic rod and a driving device, the telescopic rod is provided with a fixed end fixedly connected with the rotating beam and a driving end capable of moving relative to the fixed end in a telescopic mode, the driving end is connected with the driving device, and under the action of the driving device, the driving end moves along the Y-axis direction perpendicular to the X-axis direction, so that the fixed end drives the rotating beam to rotate.

2. The photovoltaic module tracking system of claim 1, wherein: the supporting frame comprises a base, the driving device comprises a traction mechanism, a sliding rail mechanism and a sliding piece, the sliding rail mechanism is arranged on the base and extends along the Y-axis direction, the sliding piece is pulled by the traction mechanism to slide along the sliding rail mechanism, and the driving end is connected to the sliding piece.

3. The photovoltaic module tracking system of claim 2, wherein: the sliding piece comprises a base part, a driving shaft extending along the X-axis direction is arranged in the base part, a mounting hole used for mounting the driving shaft is formed in the driving end in a penetrating mode along the X-axis direction, and the driving end can rotate relative to the driving shaft.

4. The photovoltaic module tracking system of claim 3, wherein: the sliding piece further comprises lower rollers arranged on two sides of the base along the Y-axis direction, and the sliding rail mechanism comprises a sliding rail used for accommodating the lower rollers; the lower roller rolls in the slideway.

5. The photovoltaic module tracking system of claim 4, wherein: the sliding piece further comprises upper rollers which are arranged on two sides of the base part along the Y-axis direction and are positioned above the lower rollers, and the sliding rail mechanism comprises a sliding rail which is positioned above the sliding rail and is formed by upward protruding extension; the upper roller rolls on the sliding rail.

6. The photovoltaic module tracking system of claim 2, wherein: the traction mechanism comprises a traction rope, a winch and a conveying assembly, wherein the winch is positioned on one side of the base and used for winding and driving the traction rope, and the conveying assembly is arranged at two ends of the sliding rail mechanism along the Y-axis direction and used for changing the conveying direction of the traction rope; the slider has fixing portions formed at both ends of the slider in the Y-axis direction.

7. The photovoltaic module tracking system of claim 6, wherein: the conveying assembly comprises a pair of reversing wheels, and two ends of the traction rope are respectively fixed on the fixing portion, then wound through the reversing wheels and wound on the winch.

8. The photovoltaic module tracking system of claim 1, wherein: the telescopic rod is formed by movably sleeving a hollow outer pipe and an inner pipe, the fixed end is formed at the upper end of the outer pipe, and the driving end is formed at the lower end of the inner pipe; under the action of the driving device, the inner tube makes telescopic motion relative to the outer tube, so that the height of the telescopic rod is always unchanged in the Z-axis direction perpendicular to the X-axis direction and the Y-axis direction.

9. The photovoltaic module tracking system of claim 8, wherein: the telescopic rod further comprises wear-resistant filler filled between the inner pipe and the outer pipe.

10. The photovoltaic module tracking system of claim 2, wherein: the support frame is characterized by further comprising a positioning column which is fixed on the base and forms a triangular fixing structure with the base, and the rotating beam is rotatably connected onto the positioning column.