CN217693209U - Traction type sun-chasing system of photovoltaic power station - Google Patents
Traction type sun-chasing system of photovoltaic power station Download PDFInfo
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- CN217693209U CN217693209U CN202221043594.0U CN202221043594U CN217693209U CN 217693209 U CN217693209 U CN 217693209U CN 202221043594 U CN202221043594 U CN 202221043594U CN 217693209 U CN217693209 U CN 217693209U
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- 238000010248 power generation Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 7
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- 239000003638 chemical reducing agent Substances 0.000 description 4
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- 229910001141 Ductile iron Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a photovoltaic power plant towed day by day system, including photovoltaic array, power drive mechanism, connecting piece, the photovoltaic array includes a plurality of photovoltaic module group, photovoltaic module group includes a plurality of photovoltaic modules, and each photovoltaic module all has rotary mechanism and photovoltaic board, rotary mechanism drives under the drive of power input part photovoltaic board east-west rotates; the power driving mechanism is arranged at one end of the photovoltaic array, and the output part of the power driving mechanism rotates in the east-west direction; any connecting piece is simultaneously connected with the output part of the power driving mechanism and the power input parts of all photovoltaic modules in one group of photovoltaic module groups; the power driving mechanism outputs east-west rotation under the action of the driver, and drives the photovoltaic panels of all the photovoltaic modules to rotate east-west through the connecting piece and the power input part. The utility model discloses realize the photovoltaic board day by day when can furthest reduce energy resource consumption.
Description
Technical Field
The present invention relates generally to photovoltaic power plants, and more particularly to a day-by-day system in a photovoltaic power plant.
Background
At present, photovoltaic power generation is applied to more and more photovoltaics under the condition that pollution problems are increasingly prominent due to the fact that photovoltaic power generation is clean energy. The existing photovoltaic power stations all adopt photovoltaic panels to absorb solar energy, and in order to improve the utilization efficiency of the solar energy, the photovoltaic panels are required to face the sun. The existing photovoltaic panel is either fixedly arranged or manually rotated, and due to the large number, manual work is a task which cannot be completed. The last solution is that each photovoltaic power generation module is equipped with a rotating mechanism and an independent drive, so that the manufacturing cost is increased, and the daily consumption of electric energy is very large, thereby reducing the efficiency of photovoltaic power generation.
Therefore, how to reduce the energy consumption to the maximum extent by a simple structure and realize the day-by-day photovoltaic panel is a technical problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes above-mentioned prior art's at least defect, provides one kind and can realize the photovoltaic power plant towed day by day system of photovoltaic board day by day when simple structure furthest reduces energy resource consumption.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
according to the utility model discloses an aspect provides a photovoltaic power plant towed day by day system for photovoltaic array is automatic to rotating along with the sun east west, include:
the photovoltaic array comprises a plurality of photovoltaic module groups, each photovoltaic module group comprises a plurality of photovoltaic modules, each photovoltaic module is provided with a rotating mechanism and a photovoltaic panel, and the rotating mechanism drives the photovoltaic panels to rotate in the east-west direction under the driving of the power input part;
the power driving mechanism is arranged at one end of the photovoltaic array, and the output part of the power driving mechanism rotates in the east-west direction;
any connecting piece is simultaneously connected with the output part of the power driving mechanism and the power input parts of all photovoltaic modules in one photovoltaic module group;
the power driving mechanism outputs east-west rotation under the action of the driver, and drives the photovoltaic panels of all the photovoltaic modules to rotate east-west through the connecting piece and the power input part.
According to the utility model discloses an embodiment, interval equidistance is arranged between all photovoltaic modules in the photovoltaic array, and the outer fringe of each photovoltaic module becomes a straight line and aligns.
According to the utility model discloses an embodiment, rotary mechanism includes stand, outer tube, the arm of force and bearing, the stand is fixed to be set up, the outer tube passes through the protruding cap in top and the bearing is installed in the below on the stand, protruding cap cover is in the stand top, the photovoltaic board is articulated the outer tube, the arm of force including connect respectively in the first arm of force and the second force arm of the outer tube left and right sides, just the arm of force is located photovoltaic board below, and be less than the lower edge of photovoltaic board.
According to the utility model discloses an embodiment, rotary mechanism still includes slide rail, riding wheel and slide rail support, the slide rail supports fixed setting, the slide rail is installed a plurality ofly on the slide rail supports, the riding wheel is installed on the photovoltaic board, and rolling contact the slide rail below, the slide rail is one section curve when rotary mechanism level rotates, because this section curvilinear figure position change, the slide rail pushes up pitching motion is done to the photovoltaic board.
According to the utility model discloses an embodiment, the curve is the smooth line of multistage to make the photovoltaic board is when changeing central authorities, and it is the biggest to pitch up, the photovoltaic board is when changeing both sides limit, and it is minimum to pitch up.
According to the utility model discloses an embodiment, first arm of force with second arm of force bilateral symmetry sets up, first arm of force with on the second arm of force respectively the fixed ascending little cylinder that sets up, little cylinder upper end has circular cap, every little cylinder's position is the same.
According to the utility model discloses an embodiment, power drive mechanism includes frame, driver and rocking arm, the frame is fixed to be set up, the driver install in on the frame, rocking arm transmission is connected the driver output part, the both ends of rocking arm respectively fixed with the small circle post of the vertical direction that the connecting piece links to each other, the rocking arm with arm of force position aligns.
According to the utility model discloses an embodiment, the connecting piece is the haulage rope, haulage rope one end fixed connection is at the little cylinder on the first force arm of the most terminal photovoltaic module, then loops through the winding little cylindrical mode links to each other with each first force arm, follows until continuously two little cylinders of rocking arm are walked around to loop through the little cylindrical mode of winding again and link to each other with each second force arm, the other end finally with the little cylinder fixed connection of the second arm of force of the most terminal photovoltaic module.
According to the utility model discloses an embodiment, the driver includes the motor, the motor is supporting to be equipped with PLC control system, PLC control system carries out open loop control according to clock and watch operation law.
According to the utility model discloses an embodiment, in the photovoltaic module group photovoltaic module is a row, one photovoltaic module group power drive mechanism is one, and photovoltaic module group more than two sets of forms photovoltaic array, power drive mechanism sets up photovoltaic array's one end.
According to the above technical scheme, the utility model discloses a photovoltaic power plant towed day by day system's advantage lies in with positive effect:
the utility model discloses simple structure realizes the photovoltaic board day by day when can furthest reduce energy resource consumption.
Drawings
The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
fig. 1 is a schematic view of a photovoltaic power plant traction-type day-by-day system of the present invention shown in an exemplary embodiment during midday time division.
Fig. 2 is a schematic diagram of a photovoltaic power plant traction-type day-by-day system of the present invention shown in an exemplary embodiment in the morning.
Fig. 3 is a schematic view of a photovoltaic power plant traction-type day-by-day system of the present invention shown in an exemplary embodiment at evening.
Fig. 4 is a schematic view of a first-view perspective structure of a photovoltaic module in a towed sun-tracking system of a photovoltaic power plant according to the present invention, shown in an exemplary embodiment.
Fig. 5 is a schematic diagram of a second perspective three-dimensional structure of a photovoltaic module in a traction-type sun-tracking system of a photovoltaic power plant according to the present invention shown in an exemplary embodiment.
Fig. 6 is a schematic diagram of a rear view structure of a photovoltaic module in a traction-type sun-tracking system of a photovoltaic power plant according to the present invention shown in an exemplary embodiment.
Fig. 7 is a schematic view of a slide rail structure in a photovoltaic power station traction-type sun-tracking system according to the present invention shown in an exemplary embodiment.
Fig. 8 is a schematic structural diagram of a power driving mechanism in a traction-type sun-tracking system of a photovoltaic power station according to the present invention shown in an exemplary embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
In the following description of various examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various example structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "top," "bottom," "front," "rear," "side," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.
Fig. 1 is a schematic view of a photovoltaic power plant traction-type day-by-day system of the present invention shown in an exemplary embodiment during midday time division. Fig. 2 is a schematic diagram of a photovoltaic power plant traction-type day-by-day system of the present invention shown in an exemplary embodiment in the morning. Fig. 3 is a schematic view of a photovoltaic power plant traction-type day-by-day system of the present invention shown in an exemplary embodiment at evening.
As shown in fig. 1 to 3, the photovoltaic power plant traction type daily system of the present embodiment includes a photovoltaic array 1, the photovoltaic array 1 includes a plurality of photovoltaic module groups 11, and each photovoltaic module group 11 includes a plurality of photovoltaic modules 111. The photovoltaic modules 111 keep the same posture, the photovoltaic modules 111 in one group of photovoltaic module groups 11 are linearly arranged in a certain oblique angle relative to north and south, and one end of each group of photovoltaic module groups 11 is provided with a power driving device 112. Each photovoltaic module 111 has no other photovoltaic module 111 in a position in close proximity to east, west, south, and north, but is spaced apart by the distance of one photovoltaic module. Each power drive 112 drives a group of photovoltaic modules 111 to rotate in the east-west direction, so that all photovoltaic modules 111 face to the south at midday, to the south in the morning (determined according to the chinese location and actually determined according to the location of use), and to the south in the west at evening (determined according to the chinese location and actually determined according to the location of use).
Fig. 4 is a schematic diagram of a first perspective three-dimensional structure of a photovoltaic module in a towed day-by-day system of a photovoltaic power plant according to the present invention shown in an exemplary embodiment. Fig. 5 is a schematic diagram of a second perspective three-dimensional structure of a photovoltaic module in a traction-type sun-tracking system of a photovoltaic power plant according to the present invention shown in an exemplary embodiment. Fig. 6 is a schematic diagram of a rear view structure of a photovoltaic module in a traction-type sun-tracking system of a photovoltaic power plant according to the present invention shown in an exemplary embodiment.
As shown in fig. 4 to 6, the photovoltaic module 111 in this embodiment includes a photovoltaic panel 2, a backboard bracket 21, a rotating shaft 22, an outer tube 3, a first force arm 31, a second force arm 32, a small cylinder 33, an upright post 4, a convex cap 41, a bearing 42, a sliding rail support 6, an adjusting screw 61, a sliding rail 7, and a riding wheel 8. The upright post 4 and the slide rail support 6 are fixedly arranged on the ground, the outer tube 3 is sleeved on the upper portion of the upright post 4 through the convex cap 41 and the bearing 42, the upper surface of the convex cap 1 is made of smooth metal, such as nodular cast iron, and the outer tube can be replaced after being abraded by a certain amount. The first force arm 31 and the second force arm 32 are respectively connected and arranged at the left and right sides of the outer tube 3, and are symmetrical left and right. The first force arm 31 and the second force arm 32 are both provided with small cylinders 33, the small cylinders 33 are used for winding the connecting piece 5, the connecting piece 5 can be selected from a steel wire rope, a chain rope and the like, and the number of winding turns is from one to two. The photovoltaic panel 2 is mounted on a backing plate frame 21, and the backing plate frame 21 is pivotally mounted on the top of the outer tube 3 by a rotating shaft 22.
Fig. 7 is a schematic view of a slide rail structure in a photovoltaic power station traction-type sun-tracking system according to the present invention shown in an exemplary embodiment.
As shown in fig. 7, the number of the rail supports 6 is three, and the height of the rail support 6 in the middle is adjusted by the adjusting screw 61. The slide rail 7 is arranged at the top of the slide rail support 6 and is propped against the back plate frame 21, and the support block 8 is connected and arranged on the back plate frame 21 and forms a structure for clamping the slide rail 7 together with the back plate frame 21. When the height of the middle sliding rail support 6 is changed, the sliding rail 7 forms a section of curve, and when the outer tube 3 rotates horizontally, the sliding rail 6 pushes the photovoltaic panel 2 to do pitching motion due to the change of the curve position of the section. The included angle between the projection of the sunlight on the ground plane and the normal south is called the azimuth angle, and the normal noon azimuth angle is 0, namely the east-west azimuth angle and the pitching altitude angle. The present embodiment can simultaneously perform the adjustment of the azimuth angle and the elevation angle.
Fig. 8 is a schematic structural diagram of a power driving mechanism in a photovoltaic power plant traction type sun-chasing system according to the present invention shown in an exemplary embodiment.
As shown in fig. 8, the power driving mechanism 112 of the present embodiment is disposed at one end of the photovoltaic array 1, and one power driving device 112 corresponds to all the photovoltaic modules 111 in one photovoltaic module group 11.
Each power drive module 112 includes a frame 91, a rotating arm 92, a motor reducer 93, and a chain drive 94. The frame 91 is fixedly arranged on the ground, the motor speed reducer 93 is arranged on the frame 91, the rotating arm 92 is arranged on the frame 91 through two groups of bearings, and the motor speed reducer 93 and the rotating arm 92 are in transmission connection through a chain transmission 94. The rotating arm 92 is provided with two small cylinders 95 in bilateral symmetry, and the connecting piece 5 sequentially bypasses the two small cylinders 95, and the number of winding turns is from one to two.
In this embodiment, the connecting member 5 is a pulling rope, one end of the pulling rope is fixedly connected to the small cylinder 33 on the first force arm 31 of the endmost photovoltaic module 111, and then is sequentially connected to each first force arm 31 by winding the small cylinder 33 until continuously bypassing the two small cylinders 95 of the rotating arm 92, and is sequentially connected to each second force arm 32 by winding the small cylinder 33, and the other end of the pulling rope is finally fixedly connected to the small cylinder 33 of the second force arm 32 of the endmost photovoltaic module 111.
In this embodiment, the upright 4, the outer tube 3, the first force arm 31, the second force arm 32, the convex cap 41 and the bearing 42 form a rotating mechanism. The first force arm 31 and the second force arm 32 are located below the photovoltaic panel 2 and below the lower edge of the photovoltaic panel 2 so as not to interfere when rotating. In other embodiments, the rotating mechanism may be replaced by other forms.
In this embodiment, a motor in the power drive mechanism is provided with a PLC control system, and the PLC control system performs open-loop control according to the clock operation rule.
In this embodiment, the motor reducer 93 acts under the control of the PLC control system, and drives the rotating arm 92 to rotate through the chain transmission 94, when the rotating arm 92 rotates, the whole connecting member 5 is pulled to rotate through the action of the small cylinder 95 on the rotating arm and the connecting member 5, the connecting member 5 drives the first force arm 31 and the second force arm 32 of each photovoltaic module 111 through each wound small cylinder 33, so as to drive the outer tube 3 to rotate, the outer tube 3 drives the photovoltaic panel 2 to rotate through the rotating shaft 22 and the backboard bracket 21, when the photovoltaic panel 2 rotates, due to the curve action of the sliding rail 7, when the photovoltaic panel rotates left and right, the pitching action adjustment is performed, so that the adjustment of the azimuth angle and the elevation angle is performed simultaneously, and the photovoltaic panel always faces the sun. In the process, the riding wheels 8 avoid lifting the photovoltaic panel 2 due to the action of external force such as wind and the like, and the safety is ensured.
The photovoltaic panel is simple in structure, energy consumption can be reduced to the maximum extent, and meanwhile the photovoltaic panel can be used day by day.
It is to be understood by one of ordinary skill in the art that the specific structures and processes shown in the detailed description are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various technical features described above in various possible ways to form new technical solutions, or make other modifications, all of which fall within the scope of the present invention.
Claims (10)
1. A photovoltaic power plant towed day-by-day system for photovoltaic arrays automatically rotate with the sun east-west, characterized in that, includes:
the photovoltaic array comprises a plurality of photovoltaic module groups, each photovoltaic module group comprises a plurality of photovoltaic modules, each photovoltaic module is provided with a rotating mechanism and a photovoltaic panel, and the rotating mechanism drives the photovoltaic panels to rotate in the east-west direction under the driving of the power input part;
the power driving mechanism is arranged at one end of the photovoltaic array, and the output part of the power driving mechanism rotates in the east-west direction;
any connecting piece is simultaneously connected with the output part of the power driving mechanism and the power input parts of all photovoltaic modules in one photovoltaic module group;
the power driving mechanism outputs east-west rotation under the action of the driver, and drives the photovoltaic panels of all the photovoltaic modules to rotate east-west through the connecting piece and the power input part.
2. The towed day-by-day system of photovoltaic power generation of claim 1, wherein all of said photovoltaic modules in said photovoltaic array are spaced equidistantly from one another and the outer edges of said photovoltaic modules are aligned in a straight line.
3. The photovoltaic power plant towed day-by-day system of claim 1, characterized in that the rotating mechanism comprises a column, an outer tube, a force arm and a bearing, the column is fixedly disposed, the outer tube is mounted on the column through an upper convex cap and a lower bearing, the convex cap is sleeved on the top of the column, the photovoltaic panel is hinged to the outer tube, the force arm comprises a first force arm and a second force arm which are respectively connected to the left and right sides of the outer tube, and the force arm is located below the photovoltaic panel and lower than the lower edge of the photovoltaic panel.
4. The photovoltaic power plant towed day-by-day system of claim 3, wherein said rotating mechanism further comprises a slide rail, a supporting roller and a slide rail support, said slide rail support is fixedly disposed, said slide rail is mounted on a plurality of said slide rail supports, said supporting roller is mounted on said photovoltaic panel and is in rolling contact with a position below said slide rail, said slide rail is a curved section, and when said rotating mechanism rotates horizontally, said slide rail pushes said photovoltaic panel to perform a pitching motion due to a position change of said curved section.
5. The towed sun-tracking system of claim 4, wherein said curve is a smooth line of multiple segments such that the maximum pitch of said photovoltaic panel is achieved when said photovoltaic panel is pivoted to the center and the minimum pitch of said photovoltaic panel is achieved when said photovoltaic panel is pivoted to the limits of said two sides.
6. The photovoltaic power plant traction-type sun-chasing system of claim 3, wherein the first force arm and the second force arm are arranged in bilateral symmetry, an upward small cylinder is fixedly arranged on each of the first force arm and the second force arm, a circular cap is arranged at the upper end of each small cylinder, and the positions of the small cylinders are the same.
7. The photovoltaic power plant towed day-by-day system of claim 6 wherein said power drive mechanism includes a frame, a driver and a boom, said frame is fixedly mounted, said driver is mounted to said frame, said boom is drivingly connected to said driver output portion, said boom has two ends respectively secured to vertically oriented small cylinders connected to said connecting members, and said boom is aligned with said arm.
8. The photovoltaic power plant towed day-to-day system of claim 7, wherein said attachment member is a tow rope having one end fixedly attached to the small cylinder on the first force arm of the endmost photovoltaic module, then sequentially wrapped around said small cylinder to be attached to each first force arm until continuously passing around the two small cylinders of said pivoted arm, and sequentially wrapped around the small cylinder to be attached to each second force arm, and finally fixedly attached to the small cylinder of the second force arm of the endmost photovoltaic module.
9. The photovoltaic plant towed day-by-day system of claim 7, wherein said driver includes a motor, said motor being equipped with a PLC control system, said PLC control system performing open loop control in accordance with a clock operating law.
10. The photovoltaic power plant towed day-by-day system of any of claims 1-9, wherein said photovoltaic modules in said photovoltaic module array are in a row, said power drive mechanism of one said photovoltaic module array is one, and two or more groups of photovoltaic modules form a photovoltaic array, said power drive mechanism being disposed at one end of said photovoltaic array.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221043594.0U CN217693209U (en) | 2022-04-29 | 2022-04-29 | Traction type sun-chasing system of photovoltaic power station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221043594.0U CN217693209U (en) | 2022-04-29 | 2022-04-29 | Traction type sun-chasing system of photovoltaic power station |
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| CN217693209U true CN217693209U (en) | 2022-10-28 |
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| CN202221043594.0U Active CN217693209U (en) | 2022-04-29 | 2022-04-29 | Traction type sun-chasing system of photovoltaic power station |
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- 2022-04-29 CN CN202221043594.0U patent/CN217693209U/en active Active
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