CN214069867U

CN214069867U - Multipoint synchronous driving solar tracking system

Info

Publication number: CN214069867U
Application number: CN202120139075.3U
Authority: CN
Inventors: 王士涛; 杨颖�; 陈井强
Original assignee: Arctech Solar Holding Co Ltd
Current assignee: Arctech Solar Holding Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-08-27
Anticipated expiration: 2031-01-19

Abstract

The utility model relates to a photovoltaic solar energy technical field discloses a multiple spot synchronous drive solar tracking system, include: the vertical columns comprise a plurality of first vertical columns and at least two second vertical columns, the first vertical columns and the second vertical columns are arranged side by side at intervals, a bearing component is arranged at the upper end of each first vertical column, and a parallel driver is arranged at the upper end of each second vertical column; the main shaft is respectively matched and connected with the bearing component and the parallel drivers, and at least one parallel driver can drive the main shaft to rotate; the synchronous shaft is arranged in parallel with the main shaft and is in transmission connection with the parallel drivers respectively, so that the parallel drivers can realize synchronous driving at multiple axial positions of the main shaft. The utility model discloses in, multiple spot synchronous drive solar tracking system is through a plurality of locking point synchronous drive to dispersion wind pressure, wind are turned round, lifting system stability by a wide margin.

Description

Multipoint synchronous driving solar tracking system

Technical Field

The utility model relates to a photovoltaic solar energy technical field especially relates to a multiple spot synchronous drive solar tracking system.

Background

In a photovoltaic tracking system, in order to optimize the use of sunlight, a photovoltaic module is mounted on a support, an adjustable support is generally adopted to bear the photovoltaic module, and the inclination angle of the photovoltaic module can be tracked and adjusted according to the change of the irradiation angle of the sun.

The common drive tracking system of present photovoltaic support has: the single-drive tracking system is characterized in that a driving point is a fixed locking point and other points are free moving parts under the action of strong wind, the distance from the driving point to the outermost edge of the system is generally 22 meters or even 45 meters, resonance risks and the like are easily caused under the action of gust, the deformation and the vibration of the system can damage the system, and hidden cracks and the like can be caused to an upper bearing assembly after long-term operation. And as the component width increases in the future, the length of the entire tracker will grow longer and longer, which will be a significant disadvantage for plant design.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a multiple spot synchronous drive solar tracking system through a plurality of locking point synchronous drive to disperse wind pressure, wind are turned round, promote system stability by a wide margin.

The utility model provides a technical scheme as follows:

a multipoint synchronous drive solar tracking system, comprising:

the vertical columns comprise a plurality of first vertical columns and at least two second vertical columns, the first vertical columns and the second vertical columns are arranged side by side at intervals, a bearing component is arranged at the upper end of each first vertical column, and a parallel driver is arranged at the upper end of each second vertical column;

the main shaft is respectively matched and connected with the bearing component and the parallel drivers, and at least one parallel driver can drive the main shaft to rotate;

the synchronous shaft is arranged in parallel with the main shaft and is in transmission connection with the parallel drivers respectively, and when at least one of the parallel drivers drives the main shaft to rotate, the synchronous shaft can transmit power to the rest of the parallel drivers synchronously, so that the parallel drivers realize synchronous driving at a plurality of positions in the axial direction of the main shaft.

In the technical scheme, a multi-point driving mode is adopted, synchronous driving is realized through a synchronous shaft, when strong wind comes, a plurality of driving points of the system become a plurality of fixed locking points, so that the jitter corresponding to the system is greatly reduced, and the stability and the reliability are greatly improved.

Further preferably, the parallel driver includes:

a first transmission member;

the second transmission piece is meshed and connected with the first transmission piece in the vertical direction;

the third transmission piece is coaxially and fixedly connected with the first transmission piece;

the fourth transmission piece is positioned on the upper side of the third transmission piece and is meshed and connected with the third transmission piece, and the fourth transmission piece and the third transmission piece are arranged in parallel along the axial direction;

the fifth transmission piece is coaxially and fixedly connected with the fourth transmission piece;

the sixth transmission piece is positioned on the upper side of the fifth transmission piece and is meshed and connected with the fifth transmission piece in the vertical direction;

the sixth transmission piece is arranged above the second transmission piece and is parallel to the second transmission piece along the axial direction.

Further preferably, the parallel driver further includes:

the first transmission piece, the second transmission piece, the third transmission piece, the fourth transmission piece, the fifth transmission piece and the sixth transmission piece are arranged in the gear box;

the main shaft is connected with the sixth transmission piece, and the synchronizing shaft is connected with the second transmission piece.

Further preferably, the plurality of parallel drivers include a master driver and at least one slave driver, the master driver further includes a driving motor, the driving motor is in transmission connection with at least one of the first transmission member, the second transmission member, the third transmission member, the fourth transmission member or the fifth transmission member, and the master driver is connected with the slave drivers through the synchronizing shaft and transmits the driving force of the master driver to each of the slave drivers.

Further preferably, the bearing member includes:

the bearing is provided with a bearing hole for the main shaft to pass through;

the bearing seat comprises a first support and a second support, wherein bearing seat holes are respectively formed in the first support and the second support, the two bearing seat holes are coaxial, a first annular wall protruding in the axial direction is arranged at the edge of each bearing seat hole of the first support, a second annular wall protruding in the axial direction is arranged at the edge of each bearing seat hole of the second support, the first support and the second support are arranged back to back, and the protruding directions of the first annular wall and the second annular wall are opposite, so that the first annular wall and the second annular wall are combined to form a cavity for accommodating the bearing;

the first support and the second support are connected by a fastener along an axial direction of a bearing support hole to position the bearing within the cavity.

Further preferably, the bearing includes a first bearing and a second bearing, and the first bearing and the second bearing are arranged opposite to each other to form a bearing hole for the main shaft to pass through.

Further preferably, every the upper end of first stand still is equipped with the stand footstock, the stand footstock includes the backup pad that mounting panel and two intervals set up, two the backup pad is located the downside of mounting panel, two the upper end of backup pad respectively with the both ends of mounting panel are connected perpendicularly, two the lower extreme of backup pad respectively with the upper end of first stand is connected, bearing member installs on the mounting panel.

Further preferably, the downside of mounting panel is equipped with the synchronizing shaft bearing frame, the synchronizing shaft bearing frame is located the mounting panel reaches between the upper end of stand, be equipped with the synchronizing shaft bearing in the synchronizing shaft bearing frame, the synchronizing shaft passes the hole of synchronizing shaft bearing, and with synchronizing shaft bearing adaptation connection.

Further preferably, the synchronizing shafts are provided with a plurality of synchronizing shafts, and the synchronizing shafts are detachably connected with each other through synchronizing shaft connecting pieces.

Further preferably, the method further comprises the following steps:

the photovoltaic modules are arranged in sequence along the axis direction of the main shaft.

Compared with the prior art, the utility model discloses a multiple spot synchronous drive solar tracking system beneficial effect lies in:

the utility model discloses in, adopt the multiple spot drive mode to realize synchronous drive through the synchronizing shaft, when the strong wind comes temporarily, a plurality of driving points of system have just become a plurality of fixed locking points, and the shake that the system corresponds like this reduces by a wide margin, and stability, reliability promote by a wide margin; the parallel output of the driving force is realized through a plurality of transmission parts, and then the multipoint synchronous driving of the main shaft is realized in the axis direction of the main shaft by the single-sleeve system through the synchronizing shaft.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

Fig. 1 is a schematic structural diagram of a multi-point synchronous driving solar tracking system according to an embodiment of the present invention;

FIG. 2 is a schematic view of the installation structure of a parallel driver according to another embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of a parallel driver according to another embodiment of the present invention;

FIG. 4 is a schematic view of a bearing member according to another embodiment of the present invention;

FIG. 5 is a schematic view of another embodiment of the bearing member of the present invention from another perspective;

fig. 6 is a schematic structural view of a connecting member of a synchronizing shaft according to another embodiment of the present invention.

The reference numbers illustrate:

10. the novel photovoltaic component comprises a vertical column, 11, a first vertical column, 111, a vertical column top seat, 1111, a mounting plate, 1112, a support plate, 112, a synchronizing shaft bearing seat, 113, a synchronizing shaft bearing, 12, a second vertical column, 20, a bearing component, 21, a bearing seat, 211, a first support seat, 2111, a first annular wall, 212, a second support seat, 2121, a second annular wall, 213, a fastener, 22, a bearing, 30, a parallel driver, 31, a first transmission piece, 32, a second transmission piece, 33, a third transmission piece, 34, a fourth transmission piece, 35, a fifth transmission piece, 36, a sixth transmission piece, 37, a gear box, 38, a driving motor, 40, a main shaft, 41, a photovoltaic component, 50, a synchronizing shaft and 51, and a synchronizing shaft connecting piece.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

As a specific embodiment, as shown in fig. 1 to 4, the present embodiment provides a multipoint synchronous driving solar tracking system, including: column 10, main shaft 40 and synchronizing shaft 50. The upright column 10 includes a plurality of first upright columns 11 and at least two second upright columns 12, the first upright columns 11 and the second upright columns 12 are arranged side by side at intervals, a bearing member 20 is arranged at the upper end of each first upright column 11, and a parallel driver 30 is arranged at the upper end of each second upright column 12. The main shaft 40 is respectively connected with the bearing component 20 and the parallel drivers 30 in a matched manner, at least one parallel driver 30 can drive the main shaft 40 to rotate on the upright post 10, the photovoltaic modules 41 are sequentially arranged along the axial direction of the main shaft 40, and the main shaft 40 is driven to rotate so as to drive the photovoltaic modules 41 to rotate. The synchronizing shaft 50 is disposed parallel to the main shaft 40, the synchronizing shaft 50 is respectively connected to the plurality of parallel drivers 30, and when at least one of the parallel drivers 30 drives the main shaft 40 to rotate, the synchronizing shaft 50 can transmit power to the remaining parallel drivers 30 synchronously, so that the plurality of parallel drivers 30 can be driven synchronously at a plurality of positions in the axial direction of the main shaft 40.

In this embodiment, a multi-point driving manner is adopted, and synchronous driving is realized through the synchronizing shaft 50, when a strong wind comes, a plurality of driving points of the system become a plurality of fixed locking points, so that jitter corresponding to the system is greatly reduced, and stability and reliability are greatly improved. In practice, the system is generally a single-row tracking system, and the first vertical column 11 can be arranged at two sides of the single-row tracking system, and the second vertical column 12 can be arranged at the middle area of the single-row tracking system. Therefore, the distance from each driving system to the edge of the corresponding bearing system is not more than 15 meters, the deformation of the system is greatly reduced under the condition of strong wind, the stress is reduced, the torque is reduced, the cost of the corresponding system is also greatly reduced, and the operation and maintenance in the south and north directions of the system are convenient and fast due to parallel output. The single set of system can satisfy 2 1500V photovoltaic group strings to the maximum, and the maximum 38 subassemblies of accomplishing of single 1500V photovoltaic group string, can effectual improvement single tracking system's generating efficiency.

It should be noted that in practice the first upright 11 and the second upright 12 may be of the same construction, but the nomenclature is different here only to distinguish whether the bearing member 20 or the parallel drive 30 is mounted on the upright 10.

In another embodiment, as shown in fig. 2 and 3, on the basis of the above embodiment, the parallel driver 30 includes: a first transmission member 31; the second transmission piece 32 is meshed with the first transmission piece 31 in the vertical direction, and the second transmission piece 32 and the first transmission piece 31 have no height difference along the height direction; the third transmission piece 33 is coaxially and fixedly connected with the first transmission piece 31; the fourth transmission piece 34 is positioned on the upper side of the third transmission piece 33 and is meshed with the third transmission piece 33, and the fourth transmission piece 34 and the third transmission piece 33 are arranged in parallel along the axial direction; the fifth transmission piece 35 is coaxially and fixedly connected with the fourth transmission piece 34; a sixth transmission member 36, the sixth transmission member 36 being located on the upper side of the fifth transmission member 35 and being engaged with the fifth transmission member 35 in the vertical direction; the sixth transmission members 36 are disposed above the second transmission members 32 and are parallel to each other in the axial direction.

Specifically, the parallel driver 30 further includes: the gear box 37, the first transmission piece 31, the second transmission piece 32, the third transmission piece 33, the fourth transmission piece 34, the fifth transmission piece 35 and the sixth transmission piece 36 are arranged in the gear box 37; the main shaft 40 is connected to the sixth transmission element 36, and the synchronizing shaft 50 is connected to the second transmission element 32.

In this embodiment, functionally, the second transmission member 32 and the sixth transmission member 36 are arranged and matched to be parallel to each other along the axial direction, so that the parallel driving of the two members can be realized. And then the single set system realizes the multi-point synchronous driving of the main shaft in the axial direction of the main shaft 40 through the synchronous shaft 50, and the multi-point synchronous driving structure can thoroughly solve the deformation and torsion caused by strong wind of the existing single-shaft tracking system and completely solve the deformation caused by wind torsion and wind of the single-point driving system. The parallel driver 30 is driven synchronously through the synchronous shaft 50, so that the single shaft independent operation of the tracking system can be kept, the characteristic is important for the operation and maintenance of the photovoltaic tracking power station, and the parallel driver with large holding torque not only realizes multipoint large holding torque, but also realizes synchronous operation.

It should be noted that the parallel driver 30 may also be other parallel structures, for example, a component or an assembly capable of implementing reversing and power transmission functions through a commutator, a universal joint, etc., and a device or a structure for converting the vertical relationship between the input and the output of the original worm gear structure into a parallel relationship is provided, as long as the structure for implementing parallel driving of the two is within the protection scope of the present invention.

Further preferably, the plurality of parallel drivers include a master driver and at least one slave driver, the master driver further includes a driving motor, the driving motor is in transmission connection with the second transmission member, and the master driver is connected with the slave drivers through the synchronizing shaft and transmits the driving force of the master driver to each of the slave drivers.

Further, the plurality of parallel drivers 30 includes a master driver and at least one slave driver, the master driver further includes a driving motor 38, and the driving motor 38 is in transmission connection with at least one of the first transmission member 31, the second transmission member 32, the third transmission member 33, the fourth transmission member 34 or the fifth transmission member 35. Preferably, the drive motor 38 is in driving connection with the second transmission member 32, and the master drive is connected to the slave drives via a synchronizing shaft 50 and transmits the drive force of the master drive to each of the slave drives. In practice, the master drive is provided with the driving motor 38 only on the basis of the slave drive, and the driving force is provided to the plurality of parallel drives 30 by the driving motor 38.

In another embodiment, as shown in fig. 4 and 5, on the basis of the above embodiment, the bearing member includes: a bearing 22 and a bearing housing 21. Wherein, the bearing 22 is provided with a bearing hole for the main shaft 40 to pass through. The bearing seat 21 comprises a first support and a

second support

211 and 212, the first support 211 and the second support 212 are respectively provided with a bearing seat hole, the two bearing seat holes are coaxial, the first support 211 is provided with a first annular wall 2111 protruding axially at the edge of the bearing seat hole, the second support 212 is provided with a second annular wall 2121 protruding axially at the edge of the bearing seat hole, the first support 211 and the second support 212 are arranged back to back, and the protruding directions of the first annular wall 2111 and the second annular wall 2121 are opposite, so that the first annular wall 2111 and the second annular wall 2121 are combined to form a cavity for accommodating the bearing 22; the first holder 211 and the second holder 212 are connected by a fastener 213 in the axial direction of the bearing holder hole to position the bearing 22 in the cavity.

In this embodiment, the bearing seat 21 is configured as a left-right split structure, the inner surface of the bearing seat 21 is attached to the outer surface of the bearing 22, and the two split bearing seats clamp the bearing 22 and the main shaft 40 through the fastening member 213, so that the installed bearing 22 is tightly connected with the main shaft 40 and the bearing 22 is tightly connected with the bearing seat 21, the vibration of the tracker is reduced, the rigidity of the whole tracker is increased, and the vibration resistance of the whole tracker under the action of wind is further improved.

Further, the bearing 22 includes a first bearing and a second bearing, and the first bearing and the second bearing are disposed opposite to each other to form a bearing hole for the main shaft 40 to pass through. The outer circumferential surface of the first bearing 11 is a spherical surface, and the outer circumferential surface of the second bearing 12 is a spherical surface. In order to facilitate the installation and reduce the cost, the first bearing 11 and the second bearing 12 may be plastic bearings, and a predetermined distance is provided between the lower end surface of the first bearing 11 and the upper end surface of the second bearing 12.

In another embodiment, as shown in fig. 4 and 5, on the basis of the above embodiments, each first upright 11 is further provided with an upright top seat 111, the upright top seat 111 is of a U-shaped structure and includes a mounting plate 1111 and two supporting plates 1112 arranged at intervals, the two supporting plates 1112 are located on the lower side of the mounting plate 1111, the upper ends of the two supporting plates 1112 are respectively connected to two ends of the mounting plate 1111 vertically, and the lower ends of the two supporting plates 1112 are respectively fixedly connected to two sides of the upper end of the first upright 11, so that the mounting plate 1111 is arranged at intervals with the upper end of the first upright 11. The bearing member 20 is detachably mounted on the mounting plate 1111 by bolts.

The lower side of mounting panel 1111 is fixed mounting has synchronizing shaft bearing frame 112, and synchronizing shaft bearing frame 112 is located between the upper end of mounting panel 1111 and stand 10, is equipped with synchronizing shaft bearing 113 in the synchronizing shaft bearing frame 112, and synchronizing shaft 50 passes synchronizing shaft bearing 113's hole to with synchronizing shaft bearing 113 adaptation connection. The synchronizing shaft bearing 113 is a split type plastic bearing, the synchronizing shaft bearing 113 comprises an upper bearing and a lower bearing, and the outer circle surfaces of the upper bearing and the lower bearing are provided with axial limiting grooves. The lower extreme of upper bearing is equipped with first main shaft mounting groove, and the upper end of lower bearing is equipped with second main shaft mounting groove, and first main shaft mounting groove constitutes the synchronizing shaft mounting hole jointly with second main shaft mounting groove. The synchronizing shaft bearing 113 is designed into a split type plastic bearing, the bearing seat does not need to be arranged in a split mode due to the design, the upper bearing and the lower bearing are only required to be placed into the bearing seat during installation, the upper end of the bearing seat is clamped in a limiting groove of the upper bearing, the lower end of the bearing seat is clamped in a limiting groove of the lower bearing, the synchronizing shaft 50 is arranged in a synchronizing shaft mounting hole in a penetrating mode, and the synchronizing shaft 50 can rotate in the bearing seat along with the plastic bearing. The number of structural accessories is small, the installation of the synchronizing shaft 50 can be realized without tools, the operation steps are simplified, and the installation efficiency is improved.

Further, as shown in fig. 6, the synchronizing shaft 50 is a square tube structure, a plurality of synchronizing shafts 50 are provided, and two adjacent synchronizing shafts 50 are detachably connected through a synchronizing shaft connecting member 51. The synchronizing shaft connecting piece 51 is also of a square tube structure, the inner diameter of the synchronizing shaft connecting piece 51 is larger than the outer diameter of the synchronizing shaft 50, and a plurality of waist holes are respectively formed in the periphery of the synchronizing shaft connecting piece 51. Two ends of the two synchronizing shafts 50 are respectively inserted into two ends of the synchronizing shaft connecting piece 51 one by one, and bolts sequentially penetrate through the waist holes of the synchronizing shaft connecting piece 51 and the synchronizing shafts 50, so that the two synchronizing shafts 50 are fixedly connected with the synchronizing shaft connecting piece 51.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A multipoint synchronous drive solar tracking system, comprising:

2. The multipoint synchronous drive solar tracking system of claim 1, wherein the parallel drive comprises:

a first transmission member;

3. The multipoint synchronous drive solar tracking system of claim 2, wherein the parallel drive further comprises:

4. The multipoint synchronous drive solar tracking system of claim 3, wherein:

the plurality of parallel drivers comprise a main driver and at least one slave driver, the main driver further comprises a driving motor, the driving motor is in transmission connection with at least one of the first transmission piece, the second transmission piece, the third transmission piece, the fourth transmission piece or the fifth transmission piece, and the main driver is connected with the slave drivers through the synchronizing shaft and transmits the driving force of the main driver to each slave driver.

5. The multipoint synchronous drive solar tracking system of claim 1, wherein the bearing member comprises:

the bearing is provided with a bearing hole for the main shaft to pass through;

6. The multipoint synchronous drive solar tracking system of claim 5, wherein:

the bearing comprises a first bearing and a second bearing, wherein the first bearing and the second bearing are oppositely arranged to form a bearing hole for the main shaft to pass through.

7. The multipoint synchronous drive solar tracking system of claim 1, wherein:

every the upper end of first stand still is equipped with the stand footstock, the stand footstock includes the backup pad that mounting panel and two intervals set up, two the backup pad is located the downside of mounting panel, two the upper end of backup pad respectively with the both ends of mounting panel are connected perpendicularly, two the lower extreme of backup pad respectively with the upper end of first stand is connected, bearing member installs on the mounting panel.

8. The multipoint synchronous drive solar tracking system of claim 7, wherein:

the downside of mounting panel is equipped with the synchronizing shaft bearing frame, the synchronizing shaft bearing frame is located the mounting panel reaches between the upper end of stand, be equipped with the synchronizing shaft bearing in the synchronizing shaft bearing frame, the synchronizing shaft passes the hole of synchronizing shaft bearing, and with synchronizing shaft bearing adaptation is connected.

9. The multipoint synchronous drive solar tracking system of claim 1, wherein:

the synchronizing shaft is provided with a plurality ofly, and is a plurality of the detachable connection through the synchronizing shaft connecting piece between the synchronizing shaft respectively.

10. The multipoint synchronous drive solar tracking system of claim 1, further comprising: