CN106933260B - High-rigidity support double-shaft photovoltaic power generation device - Google Patents
High-rigidity support double-shaft photovoltaic power generation device Download PDFInfo
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- CN106933260B CN106933260B CN201710344842.2A CN201710344842A CN106933260B CN 106933260 B CN106933260 B CN 106933260B CN 201710344842 A CN201710344842 A CN 201710344842A CN 106933260 B CN106933260 B CN 106933260B
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- support
- upright post
- power generation
- photovoltaic power
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- 238000010248 power generation Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
Abstract
The invention discloses a high-rigidity support double-shaft photovoltaic power generation device which comprises a photovoltaic module, a module mounting support and upright posts, wherein annular support frames are arranged at two ends of the module mounting support, rotating wheels are rotatably supported on the upright posts, the annular support frames are supported on the rotating wheels, and the module mounting support is supported on the upright posts in a swinging manner through the annular support frames and the rotating wheels; the upright post is fixedly connected with a pinch roller support, the pinch roller support is rotatably supported with a pinch roller, the excircle of the pinch roller is in contact connection with the inner annular surface of the annular supporting frame, the annular supporting frame is coaxially and fixedly connected with a driving wheel, and the driving wheel is in transmission connection with the driving device; the lower end of the upright post is rotatably supported with a roller, and the upright post is movably supported on the annular ground rail through the roller; the upright posts are connected into a whole through the connecting component, and the upright posts connected into a whole are driven by the rotary driving device. The high-rigidity support double-shaft photovoltaic power generation device not only can realize full-range tracking of solar azimuth angle, but also has a stable supporting structure.
Description
Technical Field
The invention relates to a photovoltaic power generation device, in particular to a photovoltaic power generation device with a double-shaft tracking function.
Background
The solar photovoltaic power generation device with the tracking function can track the position of the sun, so that the light receiving surface of a photovoltaic module on the photovoltaic power generation device is perpendicular to the sun rays as much as possible, the maximum solar energy is absorbed, and the generated energy is maximized. The common photovoltaic power generation device with the tracking function can track the altitude angle or the azimuth angle of the sun, is called as a single-axis tracking type, can also track the altitude angle and the azimuth angle of the sun simultaneously to achieve the optimal tracking effect, is called as a double-axis tracking type, and enables the component support to rotate through the rotating shaft arranged in the north-south direction of the common double-axis tracking type photovoltaic power generation device, so that the photovoltaic component on the common double-axis tracking type photovoltaic power generation device can rotate in the east-west direction to track the position of the sun, namely, the azimuth angle of the sun, and the mode has a defect that the rotation range in the east-west direction is 180 degrees at the maximum and cannot correspond to the change of the azimuth angle of the sun all the year round, namely, the tracking range is limited; the tracking of the solar altitude angle is realized by the rotating shaft arranged on the component support, the rotating shaft is arranged along the east-west direction, and the pitching angle of the photovoltaic component on the component support can be changed, so that the solar altitude angle is tracked, the structural size of the component support cannot be too large due to the limitation of the rigidity of the rotating shaft, and otherwise, the rigidity of the whole photovoltaic power generation device cannot be ideal.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problem to be solved by the invention is to provide the high-rigidity bracket double-shaft photovoltaic power generation device which can realize full-range tracking of the solar azimuth angle and has a stable supporting structure.
In order to solve the technical problems, the high-rigidity support double-shaft photovoltaic power generation device comprises a photovoltaic module, a module mounting support and upright posts, wherein annular supporting frames are arranged at two ends of the module mounting support, rotating wheels are rotatably supported on the upright posts, the annular supporting frames are supported on the rotating wheels, and the module mounting support is supported on the upright posts in a swinging manner through the annular supporting frames and the rotating wheels; the upright post is fixedly connected with a pinch roller support, the pinch roller support is rotatably supported with a pinch roller, the excircle of the pinch roller is in contact connection with the inner annular surface of the annular supporting frame, the annular supporting frame is coaxially and fixedly connected with a driving wheel, and the driving wheel is in transmission connection with the driving device; the lower end of the upright post is rotatably supported with a roller, and the upright post is movably supported on the annular ground rail through the roller; the upright posts are connected into a whole through the connecting component, and the upright posts connected into a whole are driven by the rotary driving device.
In the above structure, since the annular supporting frames are arranged at two ends of the component mounting bracket, the rotating wheels are rotatably supported on the upright posts, the annular supporting frames are supported on the rotating wheels, and the component mounting bracket is supported on the upright posts in a swinging way through the annular supporting frames and the rotating wheels, the annular supporting frames arranged at two ends of the component mounting bracket replace a rotating shaft which is commonly used, the problem of poor rigidity of the rotating shaft which is commonly used is avoided, the annular supporting frames have larger structural size, more stable support can be formed for the component supporting beams of the component mounting bracket, an integral structure with stronger rigidity and stable supporting structure is formed, more components can be mounted, and the cost of the component mounting bracket distributed on each component is correspondingly reduced; the component mounting bracket is supported on the upright post in a swinging way through the annular supporting frame and the rotating wheel, the swinging center of the component mounting bracket is the annular axis of the annular supporting frame, and when the component mounting bracket swings on the upright post, the component mounting bracket can drive the photovoltaic component to change the mounting angle between the photovoltaic component and the upright post, so that the tracking of the sun height position is realized. And because the upright post is fixedly connected with the pinch roller support, the pinch roller support is rotatably supported with the pinch roller, the excircle of the pinch roller is in contact connection with the inner annular surface of the annular supporting frame, the pinch roller can ensure that the assembly mounting support is always supported on the upright post, and the pinch roller cannot be separated from the relative position of the upright post even under the action of strong wind or other external force, so that the normal operation of the photovoltaic power generation device is ensured. And as the driving wheel is coaxially and fixedly connected to the annular supporting frame and is in transmission connection with the driving device, the component mounting bracket is driven by the driving device to rotate through the driving wheel so as to track the height position of the sun. And the lower end of the upright post is rotatably supported with the roller, the upright post is movably supported on the annular ground rail through the roller, and the component mounting bracket supported by the upright post can rotate on the annular ground rail along with the upright post around the central axis of the annular ground rail vertical to the ground, so that the photovoltaic component changes the oriented azimuth, the tracking of the sun direction angle position is realized, the tracked angle range is unlimited, and the full-range tracking requirement of the sun azimuth change all the year round can be met. And because each upright post is connected into a whole through the connecting component, and each upright post connected into a whole is driven by the rotary driving device, the whole assembly mounting bracket can automatically rotate on the annular ground rail to change the position under the driving of the rotary driving device, so that the tracking automation is realized.
In a preferred embodiment of the invention, three rotating wheels are rotatably supported on each upright, and the three rotating wheels are distributed on the same circumference at intervals. By adopting the embodiment, the three rotating wheels can form reliable support for the annular supporting frame, and can ensure the simultaneous contact between the three rotating wheels and the annular supporting frame, thereby improving the supporting reliability.
In another preferred embodiment of the present invention, the rotating wheel and the pressing wheel are arranged at opposite intervals. By adopting the embodiment, the reliable control of the component mounting bracket can be ensured, and the position deviation between the component mounting bracket and the upright post can be prevented.
In a further preferred embodiment of the present invention, the end surface of the annular supporting frame is annular, the cross section of the annular supporting frame is rectangular, and the periphery of the rotating wheel is provided with a circumferential groove corresponding to the shape of the annular supporting frame. By adopting the embodiment, the arrangement of the circumferential groove not only can enable the rotating wheel to provide radial support for the assembly mounting bracket, but also can form axial limit for the assembly mounting bracket through the annular supporting frame, so that the stability of the mounting position of the assembly mounting bracket is ensured.
In a further preferred embodiment of the invention, the driving wheel is a sector wheel. By adopting the driving wheel of the sector wheel, the driving requirement of the component mounting bracket for swinging and tracking the sun position can be met, the processing time is shortened, and the cost is reduced.
In another further preferred embodiment of the invention, a drive wheel is coaxially and fixedly connected to any one of the annular support frames. By adopting the embodiment, any annular supporting frame arranged at the two ends of the assembly mounting bracket can be used as a mounting connection foundation of the driving wheel and used as a swinging driving end of the whole assembly mounting bracket.
In a still further preferred embodiment of the present invention, the driving means is a stepper motor or a servo motor. By adopting the embodiment, the stepping motor and the servo motor have higher transmission positioning precision, and the precision of tracking the sun position can be ensured on the premise of realizing automatic tracking.
In a further preferred embodiment of the invention, a worm wheel is arranged on the periphery of the driving wheel, and the driving wheel is in transmission connection with the driving device through a worm wheel pair. By adopting the embodiment, the driving transmission mechanism can have a self-locking function by adopting the worm gear pair, and the positioning after tracking is ensured.
In another further preferred embodiment of the present invention, the cross section of the annular ground rail is i-shaped, and a limiting roller is further installed between the upright post and the annular ground rail, and the limiting roller is radially arranged along the annular ground rail. By adopting the embodiment, the annular ground rail with the I-shaped section has high rigidity, can provide a very stable supporting foundation, and is convenient to be matched with the limiting roller to ensure that the upright post runs on the circumference defined by the annular ground rail.
In a still further preferred embodiment of the present invention, the rotary driving device includes a driving motor mounted on the connection member, a driving gear on an output shaft of the driving motor is engaged with a sun gear, and the sun gear is coaxially disposed with the annular ground rail and fixedly connected to the foundation. By adopting the embodiment, the driving motor can drive the upright post to rotate around the central gear through the connecting component under the action of the central gear, so that the full-range automatic tracking of the sun azimuth position is conveniently realized.
Drawings
The high-rigidity bracket double-shaft photovoltaic power generation device is further described in detail below with reference to the accompanying drawings and the detailed description.
FIG. 1 is a schematic structural view of one embodiment of a high rigidity support biaxial photovoltaic power generation device of the present invention;
FIG. 2 is a side view of the structure shown in FIG. 1;
FIG. 3 is a cross-sectional view of the structure shown in FIG. 1 at A-A.
Wherein: the photovoltaic device comprises a 1-photovoltaic component, a 2-upright post, a 3-component mounting bracket, a 4-annular supporting frame, a 5-driving wheel, a 6-worm wheel, a 7-driving device, an 8-rotating wheel, an 81-circumferential groove, a 9-connecting component, a 10-roller, an 11-annular ground rail, a 12-limiting roller, a 13-sun gear, a 14-driving gear, a 15-rotation driving device, a 16-pressing wheel bracket and a 17-pressing wheel.
Detailed Description
In the high-rigidity support double-shaft photovoltaic power generation device shown in fig. 1 and 2, the upper part of a component mounting support 3 is of a frame structure formed by longitudinal beams and transverse beams, a plurality of photovoltaic components 1 are vertically and horizontally arranged and mounted on the component mounting support 3, two ends of the component mounting support 3 are respectively provided with a circular support frame 4, the end faces of the circular support frames 4 are circular, the circular support frames are connected with the upper part of the component mounting support 3 of the frame structure into a whole, the component mounting support 3 is supported on upright posts 2 through the circular support frames 4 at two ends, the upper part of each upright post 2 is of a circular arc structure, rotating wheels 8 are rotatably supported on the upper part of each circular arc upright post 2 through pin shafts and shaft bushings, three rotating wheels 8 on each upright post 2 are distributed on the same circumference at intervals, circumferential grooves 81 are formed in the periphery of each rotating wheel 8, the cross section of the circular support frames 4 is rectangular, and the cross section of each circumferential groove 81 is rectangular cross section corresponding to the cross section of each circular support frame 8, in the circumferential grooves 81, in this way, the circular support frames 4 are supported in the circumferential grooves 81 of the three rotating wheels 8, the whole component mounting support 3 and the photovoltaic components 1 mounted on the upright posts can be supported on the rotating supports 2 through the circular support frames 8 through the circular support frames 4 at the two ends and the circular support frames 8. Two pinch roller brackets 16 are fixedly connected to the inner side of the upright post 2, and pinch rollers 17 are rotatably supported on the pinch roller brackets 16, the rotating wheels 8 and the pinch rollers 17 are oppositely arranged at intervals, and the outer circle of the pinch rollers 17 is in contact connection with the inner annular surface of the annular supporting frame 4, as shown in fig. 3. The outside of the annular supporting frame 4 is provided with a radial plate, or a spoke, the annular supporting frame 4 is coaxially and fixedly connected with a driving wheel 5 through the radial plate or the spoke, the axis of the driving wheel 5 is coincident with the axis of the annular supporting frame 4, the driving wheel 5 is in transmission connection with a driving device 7, and the driving device 7 drives the component mounting bracket 3 to rotate around the axis of the annular supporting frame 4 so as to realize the tracking of the position of the photovoltaic component 1 on the photovoltaic component in the solar height direction; the driving wheel 5 can be fixedly connected to any annular supporting frame 4, the driving wheel 5 is a sector wheel, the upper part of the driving wheel 5 is connected with the frame structure at the upper part of the component mounting bracket 3 into a whole, a worm wheel 6 is arranged on the periphery of the sector of the driving wheel 5, a worm meshed with the worm wheel 6 is rotatably supported on the upright post 2, the driving device 7 is a stepping motor or a servo motor, the motor is mounted on the upright post 2, and an output shaft of the motor is connected with the worm, so that the driving wheel 5 is in transmission connection with the driving device 7 through a worm wheel pair. The lower part of each upright post 2 is provided with two support legs, the lower end of each support leg is rotatably supported with a roller 10, the upright posts 2 are movably supported on an annular ground rail 11 through the rollers 10 at the lower ends of the support legs, the cross section of the annular ground rail 11 is I-shaped, two limit rollers 12 are also arranged between each support leg of each upright post 2 and the annular ground rail 11, the two limit rollers 12 are radially arranged along the annular ground rail 11 and are respectively arranged at the inner side and the outer side, and the periphery of each limit roller 12 is provided with a step so as to realize the limit in the vertical direction at the upper part of the annular ground rail 11 with the I-shaped section; the stabilizer blade of each stand 2 lower part links as an organic wholely through connecting elements 9, and each stand 2 that links as an organic whole is driven by rotary drive device 15, and rotary drive device 15 is including installing the driving motor on connecting elements 9, and driving motor is the step motor that has the auto-lock function, and the epaxial drive gear 14 of its output meshes with sun gear 13, and sun gear 13 and annular ground rail 11 coaxial setting link firmly on the ground, and rotary drive device 15 passes through connecting elements 9 and stand 2 drive the photovoltaic module 1 of installing on subassembly installing support 3 rotatory around annular ground rail 11 axis under sun gear 13's effect to realize the tracking to sun direction angular position.
The above only lists some specific embodiments of the present invention, but the present invention is not limited thereto, and more modifications and changes can be made, for example, the driving motor used as the rotation driving device may be a servo motor or other motors with braking function instead of a stepping motor; instead of the worm wheel 6, a gear wheel may be provided on the outer circumference of the driving wheel 5, and the driving wheel 5 is connected with the driving device 7 through a gear pair in a driving way. Such and the like, as long as the modifications and the changes are made on the basis of the basic principles of the present invention, are to be regarded as falling within the scope of the present invention.
Claims (8)
1. The utility model provides a high rigid support biax photovoltaic power generation device, includes photovoltaic module (1), subassembly installing support (3) and stand (2), its characterized in that:
the two ends of the component mounting bracket (3) are provided with annular supporting frames (4), the upright post (2) is rotatably supported with a rotating wheel (8), the annular supporting frames (4) are supported on the rotating wheel (8), and the component mounting bracket (3) is supported on the upright post (2) in a swinging way through the annular supporting frames (4) and the rotating wheel (8);
a pinch roller support (16) is fixedly connected to the upright post (2), a pinch roller (17) is rotatably supported on the pinch roller support (16), and the outer circle of the pinch roller (17) is in contact connection with the inner annular surface of the annular supporting frame (4);
a driving wheel (5) is coaxially and fixedly connected to the annular supporting frame (4), the driving wheel (5) is in transmission connection with a driving device (7), a worm wheel (6) is arranged on the periphery of the driving wheel (5), and the driving wheel (5) is in transmission connection with the driving device (7) through a worm wheel pair;
a roller (10) is rotatably supported at the lower end of the upright post (2), and the upright post (2) is movably supported on the annular ground rail (11) through the roller (10);
each upright post (2) is connected into a whole through a connecting component (9), each upright post (2) connected into a whole is driven by a rotary driving device (15), the rotary driving device (15) comprises a driving motor arranged on the connecting component (9), a driving gear (14) on an output shaft of the driving motor is meshed with a central gear (13), and the central gear (13) and the annular ground rail (11) are coaxially arranged and fixedly connected on a foundation.
2. The high rigidity support biaxial photovoltaic power generation device of claim 1, wherein: three rotating wheels (8) are rotatably supported on each upright post (2), and the three rotating wheels (8) are distributed on the same circumference at intervals.
3. The high-rigidity-bracket biaxial photovoltaic power generation device according to claim 1 or 2, characterized in that: the rotating wheel (8) and the pressing wheel (17) are arranged at intervals relatively.
4. The high rigidity support biaxial photovoltaic power generation device of claim 1, wherein: the end face of the annular supporting frame (4) is annular, the section of the annular supporting frame is rectangular, and a circumferential groove (81) corresponding to the shape of the annular supporting frame (4) is formed in the periphery of the rotating wheel (8).
5. The high rigidity support biaxial photovoltaic power generation device of claim 1, wherein: the driving wheel (5) is a sector wheel.
6. The high rigidity support biaxial photovoltaic power generation device of claim 1, wherein: a driving wheel (5) is coaxially and fixedly connected to any annular supporting frame (4).
7. The high rigidity support biaxial photovoltaic power generation device of claim 1, wherein: the driving device (7) is a stepping motor or a servo motor.
8. The high rigidity support biaxial photovoltaic power generation device of claim 1, wherein: the cross section of the annular ground rail (11) is I-shaped, a limiting roller (12) is further arranged between the upright post (2) and the annular ground rail (11), and the limiting roller (12) is radially arranged along the annular ground rail (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344842.2A CN106933260B (en) | 2017-05-16 | 2017-05-16 | High-rigidity support double-shaft photovoltaic power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344842.2A CN106933260B (en) | 2017-05-16 | 2017-05-16 | High-rigidity support double-shaft photovoltaic power generation device |
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| Publication Number | Publication Date |
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| CN106933260A CN106933260A (en) | 2017-07-07 |
| CN106933260B true CN106933260B (en) | 2024-02-09 |
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| CN201710344842.2A Active CN106933260B (en) | 2017-05-16 | 2017-05-16 | High-rigidity support double-shaft photovoltaic power generation device |
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| CN102269996A (en) * | 2010-04-02 | 2011-12-07 | 刘建中 | Sunlight corresponding device |
| CN202094138U (en) * | 2011-05-23 | 2011-12-28 | 优太（国际）商务咨询有限公司 | Photovoltaic component revolving bracket structure in solar tracking system |
| CN103207623A (en) * | 2013-05-07 | 2013-07-17 | 江苏燕山光伏设备有限公司 | Dual-axis tracking photovoltaic power generator |
| DE202014005964U1 (en) * | 2014-07-24 | 2014-08-26 | Johannes Lehner | Traceable photovoltaic module |
| CN105262422A (en) * | 2015-11-25 | 2016-01-20 | 中信博新能源科技（苏州）有限公司 | Photovoltaic (PV) tracking system and guide bearing structure therefor |
| JP2016213998A (en) * | 2015-05-12 | 2016-12-15 | 株式会社メセナ | Simple solar tracker |
| CN206741315U (en) * | 2017-05-16 | 2017-12-12 | 江苏燕山光伏设备有限公司 | High rigidity support twin shaft photovoltaic power generation apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080001059A1 (en) * | 2006-06-29 | 2008-01-03 | Chin-Wen Wang | Solar Energy Current Collection Mechanism |
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2017
- 2017-05-16 CN CN201710344842.2A patent/CN106933260B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269996A (en) * | 2010-04-02 | 2011-12-07 | 刘建中 | Sunlight corresponding device |
| CN202094138U (en) * | 2011-05-23 | 2011-12-28 | 优太（国际）商务咨询有限公司 | Photovoltaic component revolving bracket structure in solar tracking system |
| CN103207623A (en) * | 2013-05-07 | 2013-07-17 | 江苏燕山光伏设备有限公司 | Dual-axis tracking photovoltaic power generator |
| DE202014005964U1 (en) * | 2014-07-24 | 2014-08-26 | Johannes Lehner | Traceable photovoltaic module |
| JP2016213998A (en) * | 2015-05-12 | 2016-12-15 | 株式会社メセナ | Simple solar tracker |
| CN105262422A (en) * | 2015-11-25 | 2016-01-20 | 中信博新能源科技（苏州）有限公司 | Photovoltaic (PV) tracking system and guide bearing structure therefor |
| CN206741315U (en) * | 2017-05-16 | 2017-12-12 | 江苏燕山光伏设备有限公司 | High rigidity support twin shaft photovoltaic power generation apparatus |
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