CN218570163U

CN218570163U - Photovoltaic tracker

Info

Publication number: CN218570163U
Application number: CN202222484754.1U
Authority: CN
Inventors: 尹伟强; 胡圣帮; 夏登福; 刘星洲
Original assignee: Hefei Renzhuo Intelligent Technology Co ltd
Current assignee: Renzhuo Intelligent Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-03
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a photovoltaic tracker, which comprises more than two upright posts and a main shaft, wherein the upright posts are arranged at intervals, and the arrangement direction of each upright post is consistent with the length direction of the main shaft; the main shaft comprises a plurality of shaft sections, connecting pieces are arranged on the top ends of the stand columns, two adjacent shaft sections are connected through the connecting pieces, and the connecting pieces are rotatably connected with the top ends of the stand columns, so that the shaft sections can be inclined to a horizontal plane to set angles. Through configuration optimization, this photovoltaic tracking ware possesses slope regulating power, can adapt to the not high or stand of the roughness in installation place and have the scene of mounting height error, strong adaptability.

Description

Photovoltaic tracker

Technical Field

The utility model relates to a photovoltaic power generation equipment technical field especially relates to a photovoltaic tracker.

Background

The photovoltaic tracker is one of important components of a photovoltaic photoelectric system, and has the function of enabling a photovoltaic module to rotate so as to be opposite to the sun, so that light rays of sunlight vertically irradiate on the photovoltaic module, and the power generation efficiency of the photovoltaic module is improved.

Generally, a photovoltaic tracker includes a plurality of columns and a main beam, the main beam is supported by the plurality of columns, a cross beam is installed on the main beam, and a photovoltaic module is supported by the main beam and the cross beam. In actual installation process, because the unevenness in installation place and the high error of the pile foundation of stand, under the installation condition that has the slope, the overall structure that needs the photovoltaic tracker need possess the slope controllability, how to improve the structure of photovoltaic tracker and make it possess the slope controllability, become the technical problem who awaits the solution at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic tracker, through structural optimization, this photovoltaic tracker possesses slope regulating power, can adapt to the not high scene that has the mounting height error of roughness or stand in installation place, strong adaptability.

In order to solve the technical problem, the utility model provides a photovoltaic tracker, which comprises more than two columns and a main shaft, wherein the columns are arranged at intervals, and the arrangement direction of the columns is consistent with the length direction of the main shaft; the main shaft comprises a plurality of shaft sections, connecting pieces are arranged at the top ends of the stand columns, every two adjacent shaft sections are connected through the connecting pieces, and the connecting pieces are rotatably connected with the top ends of the stand columns to enable the shaft sections to be inclined relative to a horizontal plane to set angles.

This photovoltaic tracker divide into a plurality of shaft sections with the main shaft, these shaft sections are connected through the connecting piece that the stand top set up, connecting piece and stand top rotatable coupling, the rotation through the relative stand top of connecting piece drives the shaft section action and makes the shaft section can horizontal plane slope relatively, with the adaptation installation place that has the slope, perhaps the installation environment of installation place unevenness, reduce to the requirement of column mouting height simultaneously, can satisfy the high scene that has the error of column mouting, synthesize, this photovoltaic tracker has slope controllability, adaptability is stronger.

According to the photovoltaic tracker, the connecting piece is connected with the top end of the upright post through a hinge structure in a spherical hinge mode.

The photovoltaic tracker, the hinge structure includes a support, a ball head and an adapter, the support is fixedly disposed at the top end of the upright, the ball head is mounted on the support, the adapter is fixedly connected to the connecting member, and the adapter is sleeved on the ball head and forms a ball hinge with the ball head.

The photovoltaic tracker, the hinge structure is detachably connected with the upright post.

The photovoltaic tracker, as described above, the connector is removably connected to the shaft segment.

According to the photovoltaic tracker, the shaft section is matched with the connecting piece in an inserted connection mode, the shaft section is provided with a first connecting hole, the connecting piece is provided with a second connecting hole, and the shaft section is fixedly connected with the connecting piece through a fastening piece penetrating through the first connecting hole and the second connecting hole.

According to the photovoltaic tracker, at least one of the first connecting hole and the second connecting hole is a strip-shaped hole, and the length direction of the strip-shaped hole is consistent with that of the shaft section.

The photovoltaic tracker further comprises at least one driving mechanism, wherein the driving mechanism is connected with one of the connecting pieces, and the driving mechanism is used for driving the connecting pieces to rotate so as to drive the shaft sections to rotate around the central axes of the shaft sections.

The photovoltaic tracker, actuating mechanism includes the push rod, the push rod includes fixed part and pars contractilis, fixed part and one in the pars contractilis with the bottom of stand is articulated, the other with the connecting piece is articulated.

The photovoltaic tracker, with actuating mechanism connects the connecting piece is for tracking the connecting piece, it stretches out the connecting portion to set firmly on the tracking connecting piece, stretch out the extending direction of connecting portion with the length direction of main shaft is perpendicular, stretch out articulated seat of rigid coupling on the connecting portion, the push rod with articulated seat is articulated.

The photovoltaic tracker as described above, the connection member being a casting.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a photovoltaic tracker provided by the present invention;

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the assembled spindle and column of FIG. 1;

FIG. 4 is a partial enlarged view of the portion B in FIG. 3;

FIG. 5 is a schematic view of the spindle in one state;

FIG. 6 is a schematic view showing the construction of the spindle in another state;

FIG. 7 is an enlarged view of the right end of the upright shown in FIG. 5;

FIG. 8 is an enlarged view of the right end of the upright shown in FIG. 6;

FIG. 9 is an enlarged view of a portion of the area C in FIG. 1;

FIG. 10 is an enlarged view of a portion D of FIG. 3;

fig. 11 shows a schematic view of the structure of the spindle, the connecting member and the hinge structure after they are pre-assembled.

Description of reference numerals:

the vertical column 10, the pile foundation 11 and the first hinge seat 12;

the main shaft 20, the shaft section 21, the first connection hole 211;

the connecting piece 30, the base connecting piece 30A, the tracking connecting piece 30B, the connecting part 31, the second connecting hole 312, the transition part 32, the extending connecting part 33 and the second hinge seat 34;

the hinge structure 40, the support 41, the spherical part 42 and the adapter 43;

the beam 50, the photovoltaic module 60 and the push rod 70.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description is given with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a photovoltaic tracker according to the present invention.

In this embodiment, the photovoltaic tracker includes three columns 10 and a main shaft 20 supported by three columns 11, and the three columns 10 are arranged at a certain distance, and the arrangement direction of the three columns 10 is the same as the length direction of the main shaft 20. Generally, the bottom of the vertical column 10 is provided with a pile foundation 11 for facilitating the fixing to the installation ground. The main shaft 20 is connected with a plurality of cross beams 50, the cross beams 50 are perpendicular to the main shaft 20, the cross beams 50 are arranged at intervals along the length direction of the main shaft 20, the cross beams 50 extend out of two sides of the main shaft 20, and the main shaft 20 and the cross beams 50 are used for supporting the photovoltaic module 60.

In application, the number of the vertical columns 10, the length of the main shaft 20, and the like are determined according to the condition of the photovoltaic module 60 to be actually carried, and are not limited to those shown in fig. 1, for example, in other embodiments, there may be more than four vertical columns 10, or two vertical columns 10.

The connection mode of the beam 50 and the main shaft 20, the matching structure of the photovoltaic module 60 and the beam 50 or the main shaft 20, and the like can be realized based on the prior art, and are not regarded as the core invention points of the present disclosure, and are not described in detail herein.

Referring to fig. 2 to 4 together, fig. 2 is a partially enlarged view of a portion a in fig. 1; FIG. 3 is a schematic view of the assembled spindle and column of FIG. 1; fig. 4 is a partially enlarged view of a portion B in fig. 3.

In the present embodiment, the main shaft 20 includes a plurality of shaft segments 21, the shaft segments 21 are independent parts, a connecting member 30 is disposed at the top end of each upright post 10, and two adjacent shaft segments 21 are connected by the connecting member 30, it can be understood that the main shaft 20 is formed by connecting the plurality of shaft segments 21 by the plurality of connecting members 30, the connection between the shaft segments 21 and the connecting members 30 is rigid connection, and the main shaft 20 formed by connecting the connecting members 30 is still linear.

For the example shown in fig. 3, on the basis of three columns 10, the main shaft 20 has four shaft segments 21, and for the orientation of the components shown in fig. 3, from left to right, the first shaft segment 21 has a smaller length and is located on the left side of the first column 10, the second shaft segment 21 is located between the first column 10 and the second column 10, the left ends of the first shaft segment 21 and the second shaft segment 21 are connected by a connecting member 30 provided at the top end of the first column 10, the third shaft segment 21 is located between the second column 10 and the third column 10, the right end of the second shaft segment 21 and the left end of the third shaft segment 21 are connected by a connecting member 30 provided at the top end of the second column 10, the fourth shaft segment 21 is located on the right side of the third column 10, and the right end of the third shaft segment 21 and the fourth shaft segment 21 are connected by a connecting member 30 provided at the top end of the third column 10.

With reference to fig. 1 and 3, in actual installation, the length of the shaft segment 21 disposed between the two columns 10 may be set longer, and the length of the shaft segment 21 disposed outside the column 10 at the end may be set shorter, and in specific application, the first shaft segment 21 and/or the fourth shaft segment 21 may not be disposed as required, that is, the shaft segment 21 disposed outside the column 10 at the end may not be disposed.

In this embodiment, the connecting member 30 is rotatably connected to the top end of the upright 10 to drive the shaft section 21 to move, so that the shaft section 21 can be inclined at a predetermined angle relative to the horizontal plane. Like this, main shaft 20 can incline to the horizontal plane through the rotatory drive of connecting piece 30, and adaptable installation place that has the slope, perhaps the installation environment of installation place unevenness reduces to the requirement of stand 10 mounting height simultaneously, can satisfy the scene that stand 10 mounting height has the error, synthesizes, and this photovoltaic tracker has slope regulatory ability, and the adaptability is stronger.

Generally, the heights of the columns 10 of one photovoltaic tracker are consistent, and when an installation site is horizontal, the installation height error of the columns 10 is ignored, and the main shaft 20 is also in a horizontal state, so that the existing structural design has the structure that the main shaft 20 is integrated, but when the installation site has slope or the installation height of the columns 10 has error, the installation of the main shaft 20 cannot be realized, and the structural arrangement of the photovoltaic tracker provided by the invention can solve the problem. It can be understood by comparing fig. 5 and fig. 6 that the installation site level in fig. 5, the mounting height of each stand 10 is unanimous, main shaft 20 keeps the level after the installation, in fig. 6, there is the slope in the installation site, at this moment, with each stand 10 installation back, there is the difference in height between each stand 10, after adopting this scheme, the connecting piece 30 on each stand 10 top of accessible rotation drives corresponding section of axle 21 relative horizontal plane slope, after confirming the position, it is fixed with section of axle 21 and connecting piece 30, thereby realize the installation of main shaft 20 in the slope place.

Referring to fig. 7 and 8 together, fig. 7 is a partially enlarged view of a portion of the right end portion of the upright post in fig. 5 where the connecting member is located; fig. 8 is a partially enlarged view of the right end portion of the upright post of fig. 6 where the connecting member is located.

In this embodiment, the connecting member 30 is connected to the top end of the upright 10 by a hinge structure 40.

Specifically, the hinge structure 40 includes a support 41, a ball head 42 and an adapter 43, wherein the support 41 is fixedly disposed at the top end of the column 10, the ball head 42 is mounted on the support 41, the adapter 43 is fixedly connected to the connecting member 30, and the adapter 43 is sleeved on the ball head 42 and forms a ball hinge with the ball head 42, so that the connecting member 30 can drive the shaft section 21 to move by the rotation of the adapter 43 relative to the ball head 42.

With reference to fig. 5 and 7, the installation site is horizontal, the main shaft 20 is in a horizontal state, and there is no relative rotation between the adapter 43 and the ball head 42, so that in the application scenario of fig. 6 and 8 where the installation site has a slope, the adapter 43 can rotate to the left relative to the ball head 42 to drive the shaft segment 21 to rotate relative to the horizontal plane.

The gradient adjustment angle that can be realized by the main shaft 20 is set according to application requirements, for example, the gradient adjustment angle can be set to a mounting scene which can adapt to the gradient of 15 ° at most.

As shown in fig. 7 and 8, the support 41 may include two support plates, the two support plates are oppositely arranged, the ball head 42 is located between the two support plates, and the support plates can be fixed relatively by a positioning pin or the like.

Specifically, support 41 and stand 10 are for dismantling the connected mode, and connecting piece 30 also is the detachable mode with shaft section 21, like this, during the equipment, can form a module with hinge structure 40, connecting piece 30 and shaft section 21 pre-assembly together earlier, as shown in fig. 11, this module is assembled with stand 10 again, and is convenient quick, and the modular design is also conveniently dismantled, is favorable to improving photovoltaic tracker's dismouting efficiency.

The connecting member 30 includes two connecting portions 31 and a transition portion 32 connecting the two connecting portions 31, that is, the two connecting portions 31 are located on two sides of the transition portion 32, the two connecting portions 31 of the connecting member 30 are respectively connected with the two shaft sections 21, the adapter 43 of the hinge structure 40 can be specifically fixed on the transition portion 32 of the connecting member 30, and after the support 41 of the hinge structure 40 is connected with the upright post 10, the two connecting portions 31 of the connecting member 30 are located on two sides of the upright post 10, so as to be conveniently connected with the two shaft sections 21 on two sides of the upright post 10.

The coupling member 30 is adapted to be inserted into the shaft segment 21, and the shaft segment 21 is externally sleeved on the coupling member 30 as shown in fig. 4, 7 and 8, it being understood that the shaft segment 21 may be internally inserted into the coupling member 30 in other embodiments.

In the illustrated embodiment, the shaft section 21 is a tubular structure with a square cross section, the connecting portion 31 of the connecting member 30 is disposed in a matching manner, the shaft section 21 is provided with a first connecting hole 211, the connecting portion 31 of the connecting member 30 is provided with a second connecting hole 312, and the shaft section 21 and the connecting portion 31 are fixedly connected by a fastener (not shown) penetrating through the first connecting hole 211 and the second connecting hole 312.

To ensure the connection stability and reliability, each pipe wall of the shaft section 21 is provided with a first connection hole 211, and the corresponding wall of the connection portion 31 is provided with a second connection hole 312.

Specifically, at least one of first connecting hole 211 and second connecting hole 312 is a bar-shaped hole, and fig. 7 and 8 indicate that second connecting hole 312 is a bar-shaped hole, and the length direction of the bar-shaped hole is consistent with the length of shaft section 21, so that when there is an installation error, the fixed position of shaft section 21 between two vertical columns 10 can be conveniently adjusted.

In practical applications, the shaft section 21 and the mating connecting portion 31 may have other shapes, for example, the shaft section 21 may have a circular tubular structure.

In this embodiment, the photovoltaic tracker further includes at least one driving mechanism, the driving mechanism is connected to one of the connecting members 30, and the driving mechanism is configured to drive the connecting member 30 to rotate so as to drive the shaft section 21 to rotate around the central axis thereof, so as to drive the photovoltaic module 60 to rotate so as to change the orientation of the photovoltaic module 60, so that the photovoltaic module can face the sunlight.

In the illustrated example, the photovoltaic tracker is provided with only one driving mechanism, and the driving mechanism is connected with the connecting piece 30 at the top end of the upright post 10 in the middle part in order to ensure the overall smoothness of the rotation of the photovoltaic module 60.

Because the connecting piece 30 is in spherical hinge with the top end of the upright post 10, the spherical hinge connection mode can meet the requirement that the connecting piece 30 drives the shaft section 21 to rotate around the central axis of the shaft section, other rotating connecting components do not need to be additionally arranged, and the structure of the photovoltaic tracker is simplified.

Specifically, in order to facilitate the driving mechanism to drive the connecting member 30 to rotate, the connecting member 30 connected to the driving mechanism is further provided with other structures, and for distinguishing, the connecting member 30 connected to the driving mechanism is referred to as a tracking connecting member 30B, and the other connecting members 30 not connected to the driving mechanism are referred to as a base connecting member 30A.

Referring to fig. 9 and 10 together, fig. 9 is a partial enlarged view of a portion C in fig. 1; fig. 10 is a partially enlarged view of a portion D in fig. 3.

In the present embodiment, the driving mechanism includes a push rod 70, and the push rod 70 may be in the form of an electric push rod, and includes a fixed portion and a telescopic portion, one of the fixed portion and the telescopic portion of the push rod 70 is hinged to the bottom of the upright post 10, and the other is hinged to the tracking link 30B.

Specifically, a first hinge seat 12 can be fixed at the bottom of the upright post 10, and the push rod 70 is hinged with the upright post 10 through the first hinge seat 12; the tracking connector 30B is fixedly provided with an extending connection portion 33, the extending connection portion 33 is fixedly connected to the transition portion 32, the extending direction of the extending connection portion 34 is perpendicular to the length direction of the main shaft 20, the extending connection portion 33 is fixedly connected to a second hinge seat 34, and the push rod 70 is hinged to the tracking connector 30B through the second hinge seat 34.

When the orientation of the photovoltaic module 60 needs to be changed, the telescopic portion of the push rod 70 can be stretched relative to the fixed portion, so as to drive the tracking connection member 30B to rotate, and further drive the main shaft 20 to rotate around the central axis thereof.

As can be seen from comparing fig. 4 and 10, the tracking link 30B is actually formed by adding the protruding connection part 33 and the second hinge base 34 to the base link 30A so as to be connected to a driving mechanism such as a push rod 70.

The driving mechanism may be other retractable driving members besides the push rod 70, such as a retractable cylinder or a retractable hydraulic cylinder.

In the above description, the photovoltaic tracker is provided with one driving mechanism as an example, and in other embodiments, if the length of the main shaft 20 is long, more than two driving mechanisms may be provided as needed.

In specific application, each connecting piece 30 can be made of casting, so that the machining working hours are short, and the structural strength and the connection reliability are high.

It is right above the utility model provides a photovoltaic tracker introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The photovoltaic tracker is characterized by comprising more than two upright columns and a main shaft, wherein the upright columns are arranged at intervals, and the arrangement direction of the upright columns is consistent with the length direction of the main shaft; the main shaft comprises a plurality of shaft sections, connecting pieces are arranged on the top ends of the stand columns, two adjacent shaft sections are connected through the connecting pieces, and the connecting pieces are rotatably connected with the top ends of the stand columns, so that the shaft sections can be inclined to a horizontal plane to set angles.

2. The photovoltaic tracker according to claim 1, wherein the connecting member is connected to the top end of the vertical column by a hinge structure.

3. The photovoltaic tracker according to claim 2, wherein the hinge structure comprises a support, a ball portion and an adapter, the support is fixedly disposed at a top end of the column, the ball portion is mounted on the support, the adapter is fixedly connected to the connecting member, and the adapter is sleeved on the ball portion and forms a ball hinge with the ball portion.

4. The photovoltaic tracker according to claim 2, wherein the hinge structure is removably connected to the post.

5. The photovoltaic tracker according to claim 1, wherein the connector is removably connected to the shaft segment.

6. The photovoltaic tracker according to claim 5, wherein the shaft section and the connecting member are inserted and fitted, the shaft section has a first connecting hole, the connecting member has a second connecting hole, and the shaft section and the connecting member are fixedly connected by a fastener penetrating through the first connecting hole and the second connecting hole.

7. The photovoltaic tracker according to claim 6, wherein at least one of the first connection hole and the second connection hole is a bar-shaped hole, and a length direction of the bar-shaped hole is identical to a length direction of the shaft segment.

8. The photovoltaic tracker according to any one of claims 1 to 7, further comprising at least one drive mechanism, said drive mechanism being connected to one of said links, said drive mechanism being adapted to rotate said link to rotate said shaft segment about its central axis.

9. The photovoltaic tracker according to claim 8, wherein the driving mechanism comprises a push rod comprising a fixed part and a telescopic part, one of the fixed part and the telescopic part being hinged to the bottom of the upright and the other being hinged to the connecting member.

10. The photovoltaic tracker according to claim 9, wherein the connecting member connected to the driving mechanism is a tracking connecting member, an extending connecting portion is fixedly disposed on the tracking connecting member, an extending direction of the extending connecting portion is perpendicular to a length direction of the main shaft, a hinge seat is fixedly connected to the extending connecting portion, and the push rod is hinged to the hinge seat.

11. The photovoltaic tracker according to any one of claims 1 to 7, wherein the connection member is a casting member.