CN105487559A - Photovoltaic full-automatic tracking system - Google Patents
Photovoltaic full-automatic tracking system Download PDFInfo
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- CN105487559A CN105487559A CN201410478657.9A CN201410478657A CN105487559A CN 105487559 A CN105487559 A CN 105487559A CN 201410478657 A CN201410478657 A CN 201410478657A CN 105487559 A CN105487559 A CN 105487559A
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- tracking system
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Abstract
A photovoltaic full-automatic tracking system serves a photovoltaic tracking manner as a main tracking manner, detects light through a light intensity detection circuit in strong light, performs photovoltaic tracking through a deviation, and can automatically change into a visible sun motion tracking manner in the condition of a long-time dark cloud weather. When sun light reaches a sensor, sensing signals given by a photovoltaic cell array and a sun location deviation are stored in a controller via a pre-amplifier and a voltage following device; and the controller performs certain process according to a preset program, and then control a stepping motor to rotate to allow a condenser to rotate with movement of the sun, so that tracking can be achieved. The photovoltaic full-automatic tracking system is simple in structure, is easy to control, is low in cost, and is stable in operation, and can be applied to a grid-connected photovoltaic system and an off-grid photovoltaic system.
Description
Technical field
The invention belongs to photovoltaic generation tracking technique field, particularly relate to a kind of photovoltaic generation full-automatic tracking system.
Background technology
Sun power can continue as a kind of the green regenerative energy sources used forever, has huge Application and Development potentiality.But because the output characteristics of photovoltaic cell and the change of outside environmental elements have much relations, the photovoltaic cell photoelectric transformation efficiency of scale of mass production is still not high and expensive.Solar energy utilization ratio is improved in photovoltaic generating automatic tracking device room, reduces the effective way of photovoltaic generation cost.At present, conventional tracking looks daily motion track following and photoelectric tracking mode.But tracking control technology both domestic and external is not generally very ripe, generally can not ensure the reliable and stable operation of whole system, and complexity is relatively high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provides a kind of photovoltaic generation full-automatic tracking system rational in infrastructure, easy and simple to handle.
The technical scheme that the present invention takes is: a kind of photovoltaic full-automatic tracking system, adopt photoelectric tracking mode as main tracking mode, when light is stronger, light intensity detection circuit is adopted to detect light, deviation carries out photoelectric tracking, if running into the weather conditions such as black clouds blocks for a long time is that system transfers to automatically looks daily motion tracking mode.
Described a kind of photovoltaic full-automatic tracking system, is characterized in that: primarily of compositions such as controller, photosensitive tube, light intensity detection circuit, stepper motor, motor drivings.
The photoelectric tracking mode of described photovoltaic full-automatic tracking system, when solar irradiation is mapped on sensor, the transducing signal that photovoltaic battery array and position of sun deviation provide, be saved in after entering prime amplifier, voltage follower in controller, control step electric machine rotation after certain process is carried out according to the program preset by controller, make condenser move along with the sun and rotate, thus reach the object of tracking.
Described photovoltaic full-automatic tracking system, its condenser adopts multiple reflection mirror parabolic condenser.
Described photovoltaic full-automatic tracking system, its tracking means mechanical mechanism forms primarily of support, stepper motor, transmission gear, position switch and pedestal.Rotate to be with array in order to larger Driving Torque can be produced, transmission gear wheel is connected with stepper motor, azimuth axis is perpendicular to ground, pitch axis is parallel to ground, transmission gear wheel R1 is fixed on azimuth axis, and the axis coinciding of gear centre and azimuth axis, azimuth axis is arranged on pedestal, it can rotate relative to pedestal, and stepper motor M1 rotates and transmission gear wheel R1 can be driven to rotate the large torque of generation.Transmission gear wheel R2 is fixed on pitch axis, and stepper motor M2 engages with gear wheel R2, and pitch axis is connected on the turning axle of photovoltaic array, and when the scope that photovoltaic array rotates exceedes preset range, stop following the tracks of, control position switch automatically resets.
The invention has the beneficial effects as follows:
Photovoltaic generating automatic tracking system structure of the present invention is simple, is convenient to control, with low cost, stable, can widespread use and grid-connected and from net photovoltaic generating system.
Accompanying drawing explanation
Fig. 1 is the mechanical mechanism figure of photovoltaic full-automatic tracking system.
Wherein: 1-pedestal; 2-position switch; 3-azimuth axis; 4-pitch axis; 5-stepper motor M1; 6-transmission gear R1; 7-stepper motor M2; 8-transmission gear R2; 9-turning axle; 10-photovoltaic array; 11-turret;
Embodiment
Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit the scope of the invention with following embodiment.
When sunray side-play amount exceedes the threshold value of restriction, first the drive motor M15 that controller sends on control signal driving pedestal 1 rotates, motor 5 output shaft drives the gear wheel R16 on stationary shaft to rotate, therefore drive azimuth axis 3 and the turret 11 be fixed on azimuth axis and photovoltaic array 10 synchronous axial system, achieve the tracking of horizontal direction.Then control signal drive motor M27 is with nutating gear R28 to rotate, and then drive photovoltaic array 10 to do pitch rotation relative to turret 11 round pitch axis 4, follow the tracks of sun altitude, until photovoltaic array 10 is just to the sun, the tracking to solar azimuth and elevation angle is realized under the acting in conjunction of motor M 1, motor M 2, when the scope that photovoltaic array rotates exceedes preset range, stop following the tracks of, control position switch 2 automatically resets.
Claims (6)
1. a photovoltaic full-automatic tracking system, adopts photoelectric tracking mode as main tracking mode, when light is stronger, light intensity detection circuit is adopted to detect light, deviation carries out photoelectric tracking, if running into the weather conditions such as black clouds blocks for a long time is that system transfers to automatically looks daily motion tracking mode.
2. photovoltaic full-automatic tracking system according to claim 1, is characterized in that: primarily of compositions such as controller, photosensitive tube, light intensity detection circuit, stepper motor, motor drivings.
3. the photoelectric tracking mode of photovoltaic full-automatic tracking system according to claim 1, it is characterized in that: when solar irradiation is mapped on sensor, the transducing signal that photovoltaic battery array and position of sun deviation provide, be saved in after entering prime amplifier, voltage follower in controller, control step electric machine rotation after certain process is carried out according to the program preset by controller, make condenser move along with the sun and rotate, thus reach the object of tracking.
4. photovoltaic full-automatic tracking system according to claim 1, is characterized in that: its condenser adopts multiple reflection mirror parabolic condenser.
5. the tracking means of photovoltaic full-automatic tracking system according to claim 1, is characterized in that: device for mechanical mechanism forms primarily of support, stepper motor, transmission gear, position switch and pedestal.
6. autotracker mechanical mechanism according to claim 5, it is characterized in that: rotate to be with array in order to larger Driving Torque can be produced, transmission gear wheel is connected with stepper motor, as long as azimuth axis blows ground, pitch axis is parallel to ground, transmission gear wheel R1 is fixed on azimuth axis, and the axis coinciding of gear centre and azimuth axis, azimuth axis is arranged on pedestal, it can rotate relative to pedestal, and stepper motor M1 rotates and transmission gear wheel R1 can be driven to rotate the large torque of generation.Transmission gear wheel R2 is fixed on pitch axis, and stepper motor M2 engages with gear wheel R2, and pitch axis is connected on the turning axle of photovoltaic array, and when the scope that photovoltaic array rotates exceedes preset range, stop following the tracks of, control position switch automatically resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478657.9A CN105487559A (en) | 2014-09-18 | 2014-09-18 | Photovoltaic full-automatic tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478657.9A CN105487559A (en) | 2014-09-18 | 2014-09-18 | Photovoltaic full-automatic tracking system |
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| Publication Number | Publication Date |
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| CN105487559A true CN105487559A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410478657.9A Pending CN105487559A (en) | 2014-09-18 | 2014-09-18 | Photovoltaic full-automatic tracking system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681967A (en) * | 2017-10-24 | 2018-02-09 | 北京中热能源科技有限公司 | It is a kind of to rotate tracking solar radiation photovoltaic power generation apparatus along vertical axis |
| CN108649881A (en) * | 2018-07-16 | 2018-10-12 | 七台河市奥科奇峰节能技术研究所 | Light economical environment-protective energizer is flutterred in a kind of spin of photovoltaic generation overhead system |
| CN109539598A (en) * | 2018-10-16 | 2019-03-29 | 北京拉夫堡太阳能技术有限公司 | A kind of tracking and controlling method and system of groove type solar device |
-
2014
- 2014-09-18 CN CN201410478657.9A patent/CN105487559A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681967A (en) * | 2017-10-24 | 2018-02-09 | 北京中热能源科技有限公司 | It is a kind of to rotate tracking solar radiation photovoltaic power generation apparatus along vertical axis |
| CN108649881A (en) * | 2018-07-16 | 2018-10-12 | 七台河市奥科奇峰节能技术研究所 | Light economical environment-protective energizer is flutterred in a kind of spin of photovoltaic generation overhead system |
| CN109539598A (en) * | 2018-10-16 | 2019-03-29 | 北京拉夫堡太阳能技术有限公司 | A kind of tracking and controlling method and system of groove type solar device |
| CN109539598B (en) * | 2018-10-16 | 2020-09-04 | 北京拉夫堡太阳能技术有限公司 | Tracking control method and system for groove type solar device |
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Application publication date: 20160413 |