CN220964734U

CN220964734U - Photovoltaic tracking support and photovoltaic system

Info

Publication number: CN220964734U
Application number: CN202322634532.8U
Authority: CN
Inventors: 邹绍琨; 胡锦强; 许来; 张志远; 李学稼
Original assignee: Sungrow Renewables Development Co Ltd
Current assignee: Sungrow Renewables Development Co Ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-14
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a photovoltaic tracking bracket and a photovoltaic system, wherein the photovoltaic tracking bracket comprises a supporting component, a pull rope component and a driving mechanism, the supporting component comprises a photovoltaic mounting table and a supporting seat, and the photovoltaic mounting table is arranged on the supporting seat and is in rotary connection with the supporting seat; the pull rope assembly comprises pull ropes, and two ends of each pull rope are respectively fixed at two ends of the photovoltaic installation table in the width direction; the driving mechanism is arranged on the supporting seat and comprises a first driving component and a second driving component, the first driving component is abutted with the pull rope component and bends the pull rope component, and the second driving component is used for driving the first driving component to move up and down so as to enable the pull rope component to maintain a tensioning state; the first driving assembly is in transmission connection with the pull rope assembly, and the first driving assembly is used for driving the pull rope assembly to move, so that the photovoltaic installation table rotates.

Description

Photovoltaic tracking support and photovoltaic system

Technical Field

The utility model relates to the technical field of photovoltaic power generation systems, in particular to a photovoltaic tracking bracket and a photovoltaic system.

Background

Because the sun irradiation angle can change along with time, and the angle that light irradiated on the photovoltaic power generation panel has an effect on the power generation efficiency of the photovoltaic system, in order to improve the power generation efficiency of the photovoltaic system, a photovoltaic bracket capable of flexibly adjusting the angle is generally adopted. The current photovoltaic bracket with adjustable angle is provided with a fixed adjustable bracket, a tracking bracket and the like; the tracking bracket is adjusted along with the change of the sun irradiation angle every day, and the generating capacity of the photovoltaic system can be improved by 8-10%.

The photovoltaic tracking support has the characteristic of high requirement on adjustment precision, and in order to achieve the corresponding requirement on adjustment precision, the structure of the existing photovoltaic tracking support is generally set to be complex, so that the maintenance cost of the photovoltaic tracking support is high.

Disclosure of utility model

The utility model aims to provide a photovoltaic tracking bracket with simple structure and high angle adjustment precision.

In order to achieve the above object, the present utility model provides a photovoltaic tracking bracket, comprising:

The support assembly comprises a photovoltaic installation table and a support seat, wherein the photovoltaic installation table is arranged on the support seat and is rotationally connected with the support seat;

The pull rope assembly comprises a pull rope, and two ends of the pull rope are respectively fixed at two ends of the photovoltaic installation table in the width direction;

The driving mechanism is arranged on the supporting seat and comprises a first driving component and a second driving component, the first driving component is abutted with the pull rope component and bends the pull rope component, and the second driving component is used for driving the first driving component to move up and down so as to enable the pull rope component to maintain a tensioning state; the first driving assembly is in transmission connection with the pull rope assembly, and the first driving assembly is used for driving the pull rope assembly to move, so that the photovoltaic installation table rotates.

In an embodiment, the first driving assembly comprises a driving wheel and a driving main body, wherein the driving main body is fixed on the supporting seat and is in transmission connection with the driving wheel;

The pull rope assembly further comprises a transmission belt, the transmission belt is fixedly connected with the pull rope, and the transmission belt is meshed with the transmission wheel.

In one embodiment, the driving wheel is a gear, and the driving belt is a toothed belt; or the driving wheel is a V belt wheel, and the driving belt is a V belt.

In an embodiment, the driving main body comprises a motor, a worm, a turbine and a first fixing plate, the first fixing plate is in transmission connection with the second driving assembly, the motor is fixedly arranged on the first fixing plate, a driving shaft of the motor is in transmission connection with the worm, the worm is meshed with the turbine, one end of a rotating shaft of the turbine is in rotation connection with the first fixing plate, and the other end of the rotating shaft of the turbine is in fixed connection with the driving wheel.

In an embodiment, the second driving assembly comprises a second fixing plate and an air cylinder, wherein the air cylinder is fixed on the supporting seat through the second fixing plate, and the air cylinder is in transmission connection with the first fixing plate and is used for driving the first fixing plate to move up and down.

In an embodiment, one of the first fixing plate and the second fixing plate is provided with a dovetail groove, the other one is provided with a slider adapted to the dovetail groove, and the cylinder is used for driving the first fixing plate to move up and down along the dovetail groove or the slider.

In an embodiment, the photovoltaic installation platform further comprises a photosensitive sensor and a controller, wherein the controller is electrically connected with the photosensitive sensor, the first driving component and the second driving component, the photosensitive sensor is used for detecting the sun azimuth, and the controller is used for controlling the first driving component and the second driving component to adjust the inclination angle of the photovoltaic installation platform according to the output information of the photosensitive sensor.

In an embodiment, a damping piece is arranged at the end part of the pull rope, and the pull rope is fixedly connected with the photovoltaic installation table through the damping piece.

In an embodiment, a connecting piece is further arranged between the supporting seat and the photovoltaic installation table, one end of the connecting piece is connected with the photovoltaic installation table, and the other end of the connecting piece is hinged with the supporting seat.

In an embodiment, the number of the supporting seats is plural, and the plural supporting seats are disposed at intervals along the length direction of the photovoltaic installation table.

The utility model further provides a photovoltaic system, which comprises the photovoltaic tracking bracket and the photovoltaic module, wherein the photovoltaic module is arranged on the photovoltaic mounting table.

According to the technical scheme, the photovoltaic installation table is locked to the preset inclination angle by adopting the pull rope, and the accurate adjustment of the inclination angle of the photovoltaic installation table is realized by adopting the driving mechanism matched with the pull rope. In the technical scheme of the utility model, the stay cord and the photovoltaic installation platform are enclosed to form a stable triangular frame shape, so that the photovoltaic installation platform can be fixed at a preset inclination angle by the stay cord, and the inclination angle of the photovoltaic installation platform can be adjusted by the mutual matching of the driving mechanism and the stay cord. In the photovoltaic tracking bracket, the inclination angle of the photovoltaic component on the photovoltaic mounting table can be adjusted only by controlling the driving component to drive the tensioning component to move along the pull rope, so that the operation steps are simple; the photovoltaic tracking bracket is convenient to install and has the characteristics of simple structure and high angle adjustment precision.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of a photovoltaic tracking stand of the present utility model in one embodiment;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the photovoltaic mount of FIG. 2 at another tilt angle;

FIG. 4 is a schematic view of another embodiment of a photovoltaic tracking stent portion structure of the present utility model;

fig. 5 is a schematic view of the driving mechanism in fig. 1.

Reference numerals illustrate:

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a photovoltaic tracking bracket 100.

Referring to fig. 1, 2 and 3, in an embodiment of the present utility model, the photovoltaic tracking stand 100 includes a support assembly, a pull rope assembly, and a driving mechanism 150, wherein the support assembly includes a photovoltaic installation table 110 and a support base 120, and the photovoltaic installation table 110 is disposed on the support base 120 and is rotatably connected with the support base 120; the pull rope assembly comprises a pull rope 130, and two ends of the pull rope 130 are respectively fixed at two ends of the photovoltaic installation table 110 in the width direction; the driving mechanism 150 is disposed on the supporting seat 120, the driving mechanism 150 includes a first driving assembly 151 and a second driving assembly 152, the first driving assembly 151 abuts against the pull rope assembly and bends the pull rope assembly, and the second driving assembly 152 is used for driving the first driving assembly 151 to move up and down so as to maintain the pull rope assembly in a tensioned state; the first driving assembly 151 is in transmission connection with the pull rope assembly, and the first driving assembly 151 is used for driving the pull rope assembly to move, so that the photovoltaic installation table 110 rotates.

Specifically, the first driving assembly 151 is in transmission connection with the pull rope 130, so that the pull rope 130 forms a bending part abutting against the first driving assembly 151, and a first pull edge 131 and a second pull edge 132 located at two ends of the bending part, and the first driving assembly 151 is used for driving the pull rope to move, so that the lengths of the first pull edge 131 and the second pull edge 132 are adjusted, and the photovoltaic installation platform 110 rotates.

In a more specific embodiment, the photovoltaic mounting platform 110 includes a mounting platform 111, a beam 115 and inclined struts 113, the photovoltaic module 200 is laid on the mounting platform 111, the beam 115 extends along the length direction of the mounting platform 111, the mounting platform 111 and the beam 115 are connected through a plurality of the inclined struts 113, and the mounting platform 111, the beam 115 and a plurality of the inclined struts 113 are connected into a truss structure.

In a more specific embodiment, a connection member 1151 is further disposed between the support base 120 and the photovoltaic installation table 110, and one end of the connection member 1151 is connected to the photovoltaic installation table 110, and the other end is hinged to the support base 120.

In a more specific embodiment, the number of the supporting seats 120 is plural, and the plural supporting seats 120 are disposed at intervals along the length direction of the photovoltaic installation platform 110, specifically, the supporting seats 120 include plural supporting columns 121 arranged at intervals, one side of the beam 115 facing away from the installation platform 111 is convexly provided with plural connecting pieces 1151, the plural connecting pieces 1151 are disposed in one-to-one correspondence with the plural supporting columns 121, the connecting pieces 1151 are hinged with the supporting columns 121 through shaft pins, and the axial direction of the shaft pins is consistent with the length direction of the installation platform 111. The two ends of the pull ropes 130 are fixedly connected with the two ends of the mounting platform 111 in the width direction, the driving mechanisms 150 are mounted on the side walls of the support columns 121, in a specific embodiment, the number of the two pull ropes 130 is two, the two pull ropes 130 are respectively arranged at the two ends of the mounting platform 111 in the length direction, correspondingly, the number of the driving mechanisms 150 is two, the two groups of the driving mechanisms 150 are respectively arranged on the side walls of the support columns 121 arranged at the two ends, and the driving mechanisms 150 are arranged in a one-to-one correspondence with the pull ropes 130; referring to fig. 4, specifically, in each set of the driving mechanisms 150, the first driving assembly 151 is fixedly disposed on the end portion of the support column 121 through the second driving assembly 152.

According to the technical scheme, the photovoltaic installation table 110 is locked to the preset inclination angle by adopting the pull rope 130, and the accurate adjustment of the inclination angle of the photovoltaic installation table 110 is realized by adopting the driving mechanism 150 matched with the pull rope 130. In the technical solution of the present utility model, the pull cord 130 and the photovoltaic installation platform 110 are enclosed to form a stable triangular frame, so that the photovoltaic installation platform 110 is fixed at a preset inclination angle by the pull cord 130, and the inclination angle of the photovoltaic installation platform 111 is adjusted by the cooperation of the driving mechanism 150 and the pull cord 130, so as to adjust the inclination angle of the photovoltaic module 200. In the photovoltaic tracking bracket 100 of the present utility model, the adjustment of the inclination angle of the photovoltaic module 200 on the photovoltaic installation platform 110 can be achieved only by controlling the first driving module 151 to adjust the lengths of the first pull edge 131 and the second pull edge 132 and simultaneously controlling the second driving module 152 to maintain the first pull edge 131 and the second pull edge 132 in a tensioned state, so that the operation steps are simple; the photovoltaic tracking bracket 100 is convenient to install and has the characteristics of simple structure and high angle adjustment precision.

The direction parallel to the rotation axis of the photovoltaic module 110 is the longitudinal direction of the photovoltaic module 110, and the direction perpendicular to the longitudinal direction is the width direction of the photovoltaic module 110. Specifically, in the photovoltaic mounting table, the direction parallel to the cross beam 115 is the longitudinal direction of the mounting platform 111, and the direction perpendicular to the cross beam 115 is the width direction of the mounting platform 111.

Referring to fig. 2 and 3, in an embodiment, the first driving assembly 151 includes a driving wheel 1511 and a driving body, and the driving body is fixed on the supporting seat and is in driving connection with the driving wheel 1511; the pull rope assembly further comprises a transmission belt 133, the transmission belt 133 is fixedly connected with the pull rope, and the transmission belt 133 is meshed with the transmission wheel 1511.

Referring to fig. 2 and 3, in a more detailed embodiment, the driving wheel 1511 is a gear, and the driving belt 133 is a toothed belt; specifically, a toothed belt is fixedly arranged in the length direction of the pull rope 130, and the toothed belt can be used as a section of the pull rope 130 or used as an independent individual to be fixedly sleeved on the pull rope 130; the first driving assembly 151 includes a gear and a driving body 1513 in a driving connection, the driving body 151 is fixed on the supporting seat 120, the gear is meshed with the toothed belt, and the driving body 151 is configured to drive the pull rope 130 to move along its own length direction by driving the gear to rotate. Because the gear 151 is meshed with the toothed belt, when the first driving component 151 drives the gear 151 to move, the gear moves with the pull rope 130 (the first pull edge 131 and the second pull edge 132), in the process, the abutting position of the gear and the pull rope 130 is changed, so that the lengths of the first pull edge 131 and the second pull edge 132 are changed, and the tail end of one of the first pull edge 131 or the second pull edge 132 pulls one end of the photovoltaic mounting table 110 to move downwards, and correspondingly, the other end of the photovoltaic mounting table 110 moves upwards, so that the inclination angle of the photovoltaic mounting table 110 is adjusted.

In the above embodiment, the second driving component 152, the driving main body 1513, the gear and the toothed belt are sequentially connected in a transmission manner, the second driving component 152 is configured to drive the driving main body 1513 to carry the gear to move up and down, and the driving main body 1513 is configured to drive the gear to rotate around its own axis. During the process of adjusting the inclination angle of the photovoltaic mounting table 110, the driving main body 1513 and the second driving component 152 simultaneously drive the gears to move so as to ensure that the photovoltaic mounting table 110 can adjust the inclination angle stably; if the gear 151 is driven to rotate only by the driving body 1513, the pulling rope 130 may be loosened, so that the pulling rope 130 may not stably fix the photovoltaic mounting table 110, or the pulling rope 130 may be excessively tensioned, so that the pulling rope 130 may be broken or the gear may not be rotated.

Referring to fig. 4, in a more detailed embodiment, the driving wheel 1511 is a V-belt, and the driving belt 133 is a V-belt, specifically, the V-belt is a driving wheel 1511 with an annular groove formed on an outer surface thereof, and the V-belt is a driving belt 133 with a trapezoidal or V-shaped cross section, and when the V-belt is matched with the V-belt, the V-belt is located in the annular groove of the V-belt, and the V-belt are driven by friction force.

Referring to fig. 5, on the basis of the above embodiment, the driving main body includes a motor, a worm, a turbine and a first fixing plate, the first fixing plate is in transmission connection with the second driving assembly, the motor is fixedly disposed on the first fixing plate, a driving shaft of the motor is in transmission connection with the worm, the worm is meshed with the turbine, one end of a rotating shaft of the turbine is rotatably connected with the first fixing plate, and the other end of the rotating shaft of the turbine is fixedly connected with the driving wheel 1511.

Specifically, the first fixing plate 15131 is in transmission connection with the second driving assembly 152, the motor 15133 is fixedly disposed on the first fixing plate 15131, two axial ends of the turbine 15137 are respectively in rotational connection with the first fixing plate 15131 and in fixed connection with the gear, a driving shaft of the motor 15133 is in transmission connection with the worm 15135, the worm 15135 is meshed with the turbine 15137, and the motor 15133 is used for driving the turbine 15137 to carry the gear to rotate through the worm 15135. In the process of adjusting the inclination angle of the photovoltaic installation platform 110, the second driving component 152 drives the first driving component 151 to move up and down through driving the first fixing plate 15131 to move up and down, so that the adjustment of the tension of the first pull edge 131 and the second pull edge 132 is achieved, and the motor 15133 drives the gear to rotate through the worm 15135 and the turbine 15137 in sequence, so that the adjustment of the lengths of the first pull edge 131 and the second pull edge 132 is achieved.

In an embodiment, the second driving assembly 152 includes a second fixing plate 1523 and a cylinder 1521, wherein the cylinder 1521 is fixed on the supporting base 120 by the second fixing plate 1523, and the cylinder 1521 is in driving connection with the first fixing plate 15131 for driving the first fixing plate 15131 to move up and down.

More specifically, one of the first fixing plate 15131 and the second fixing plate 1523 is provided with a dovetail groove 15231, and the other is provided with a slider (not shown) that is adapted to the dovetail groove 15231, and the cylinder 1521 is configured to drive the first fixing plate 15131 to move up and down along the dovetail groove 15231 or the slider. In an embodiment, the second fixing plate 1523 is vertically disposed on a side wall of the supporting column 121, the first fixing plate 15131 is vertically disposed on a side of the second fixing plate 1523 opposite to the supporting column 121, and the driving body 15333 is disposed on a side of the first fixing plate 15131 opposite to the second fixing plate 1523; the dovetail groove 15231 is disposed on the first fixing plate 15131, and the slider is disposed on the second fixing plate 1523, so that the first fixing plate 15131 is slidably fixed on the second fixing plate 1523 by disposing the slider and the dovetail groove 15231 on the second fixing plate 1523 and the first fixing plate 15131, respectively.

Referring to fig. 2, in an embodiment, damping members 170 are disposed at two ends of the pull cord 130, and the pull cord 130 is fixedly connected to the photovoltaic installation stage 110 through the damping members 170. Specifically, the damping member 170 may be directly fixedly connected to the photovoltaic mounting table 110, or the damping member 170 may be fixedly connected to the photovoltaic mounting table 110 through a connecting member, and the connecting member may be a small section of the pull rope 130. When the photovoltaic module 200 on the photovoltaic module 110 is subjected to wind load, the damping member 170 may play a role in absorbing shock.

In an embodiment, the photovoltaic tracking stand 100 further includes a photosensor and a controller, the controller is electrically connected to the photosensor and the driving component 153, the photosensor is used for detecting the sun position, and the controller is used for adjusting the inclination angle of the photovoltaic installation table 110 by the driving component 153 according to the output information of the photosensor. In this embodiment, the photo sensor is used to track the sun position in real time, so that the inclination angle of the photovoltaic installation stage 110 can be adjusted in real time along with the change of the sun illumination intensity or the illumination position.

The utility model also provides a photovoltaic system, which comprises a photovoltaic tracking bracket 100 and a photovoltaic module 200, wherein the photovoltaic module 200 is arranged on the photovoltaic tracking bracket 100, the specific structure of the photovoltaic tracking bracket 100 refers to the embodiment, and the photovoltaic system adopts all the technical schemes of all the embodiments, so that the photovoltaic system at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted. Specifically, the photovoltaic module 200 is disposed on the photovoltaic mounting table 110 of the photovoltaic tracking stand 100.

The foregoing examples are illustrative only and serve to explain some features of the method of the utility model. The appended claims are intended to claim the broadest possible scope and the embodiments presented herein are merely illustrative of selected implementations based on combinations of all possible embodiments. It is, therefore, not the intention of the applicant that the appended claims be limited by the choice of examples illustrating the features of the utility model. Some numerical ranges used in the claims also include sub-ranges within which variations in these ranges should also be construed as being covered by the appended claims where possible.

Claims

1. A photovoltaic tracking bracket, comprising:

2. The photovoltaic tracking bracket of claim 1 wherein the first drive assembly comprises a drive wheel and a drive body, the drive body being secured to the support base and in driving connection with the drive wheel;

3. The photovoltaic tracking bracket of claim 2 wherein the drive wheel is a gear and the drive belt is a toothed belt; or the driving wheel is a V belt wheel, and the driving belt is a V belt.

4. The photovoltaic tracking bracket of claim 2, wherein the driving body comprises a motor, a worm, a turbine and a first fixing plate, the first fixing plate is in transmission connection with the second driving assembly, the motor is fixedly arranged on the first fixing plate, a driving shaft of the motor is in transmission connection with the worm, the worm is meshed with the turbine, one end of a rotating shaft of the turbine is in rotation connection with the first fixing plate, and the other end of the rotating shaft of the turbine is in fixed connection with the driving wheel.

5. The photovoltaic tracking bracket of claim 4 wherein the second drive assembly includes a second fixed plate and a cylinder secured to the support base by the second fixed plate, the cylinder in driving engagement with the first fixed plate for driving the first fixed plate up and down.

6. The photovoltaic tracking bracket of claim 5, wherein one of the first and second fixing plates is provided with a dovetail groove, the other one is provided with a slider adapted to the dovetail groove, and the cylinder is used for driving the first fixing plate to move up and down along the dovetail groove or the slider.

7. The photovoltaic tracking bracket of claim 1 further comprising a photosensor and a controller, wherein the controller is electrically connected to the photosensor, the first drive assembly and the second drive assembly, the photosensor is configured to detect a solar azimuth, and the controller is configured to control the first drive assembly and the second drive assembly to adjust an inclination angle of the photovoltaic mount according to output information of the photosensor.

8. The photovoltaic tracking bracket of claim 1 wherein the end of the pull cord is provided with a damping member, the pull cord being fixedly connected to the photovoltaic mounting table by the damping member.

9. The photovoltaic tracking bracket of claim 1, wherein a connecting piece is further arranged between the supporting seat and the photovoltaic mounting table, one end of the connecting piece is connected with the photovoltaic mounting table, and the other end of the connecting piece is hinged with the supporting seat.

10. The photovoltaic tracking bracket of claim 1 wherein the number of support bases is a plurality, the plurality of support bases being spaced apart along the length of the photovoltaic mounting station.

11. A photovoltaic system comprising the photovoltaic tracking bracket of any of claims 1 to 10, and further comprising a photovoltaic module disposed on the photovoltaic mounting table.