CN202306332U - Automatic solar tracker with position memory device - Google Patents
Automatic solar tracker with position memory device Download PDFInfo
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- CN202306332U CN202306332U CN201120422165XU CN201120422165U CN202306332U CN 202306332 U CN202306332 U CN 202306332U CN 201120422165X U CN201120422165X U CN 201120422165XU CN 201120422165 U CN201120422165 U CN 201120422165U CN 202306332 U CN202306332 U CN 202306332U
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Abstract
The utility model relates to an automatic solar tracker with a position memory device. The automatic solar tracker with the position memory device comprises a tracker base, wherein the tracker base is provided with a tracker shell, the tracker shell is internally provided with an azimuth angle turbine reduction box and a height angle turbine reduction box; a direct irradiation sensor is arranged on a second output shaft of the height angle turbine reduction box; a first output shaft of the azimuth angle turbine reduction box is connected with the height angle turbine reduction box, and a second output shaft of the azimuth angle turbine reduction box is provided with an azimuth angle memory mechanism; and a first output shaft of the height angle turbine reduction box is provided with a pitch angle memory mechanism. The automatic solar tracker with the position memory device provided by the utility model has a simple and compact structure and is convenient to mount and use, tracking reliability and data integrity can be improved, power consumption is reduced, use cost is reduced, and the automatic solar tracker with the position memory device provided by the utility model is safe and reliable.
Description
Technical field
The utility model relates to a kind of High Precision Automatic sun tracker, and especially a kind of automatic sun tracker with position memory device belongs to the technical field of solar radiation observation.
Background technology
The working method of common High Precision Automatic sun tracker is divided into: sensor tracing mode and calendar tracing mode.The calendar tracing mode is advanced coarse positioning to position of sun, and the sensor tracing mode is the accurate location to position of sun.Under the sensor tracing mode, mainly be to rely on " sun quadrant sensors " to confirm the real time position of the sky sun, and control the physical construction walking of sun tracker, thereby realize real-time follow-up position of sun with this.If but run into cloudy weather, cloudy day; Sensor just can't be realized following the tracks of; Just must start the walking of calendar tracing mode control tracker this moment, this is actually a kind of open loop control mode, promptly according to the longitude and latitude coordinate and the position of confirming the sun constantly of locality; Utilize the step-length of known control machinery to determine the step number that tracker machinery at that time should be walked, thereby realize following the tracks of.Because this is a kind of open loop approach, the reference position of machinery confirm and the walking error of physical construction itself has caused the tracking accuracy error to reach 2 °, thereby cause under the sensor tracing mode accurate positioning time long.Especially under the situation that tracking is lost, in order to obtain position of sun at that time, after tracker has to return null position, the sun real time position under the calendar mode of progressively walking is again calculated.This has not only delayed tracking time, and makes the measurement of sensors such as built-up radiation on the tracker, direct radiation be affected, and the data confidence level descends; Because the automatic sun tracker is operated in the field, solar powered mode causes system power dissipation to roll up simultaneously.
With general photovoltaic generation industry industrialness use to the solar tracking precision only require 3 ~ 5 ° different; Industries such as meteorology, scientific research have high requirements to the solar radiation observation precision; The automatic sun tracking accuracy will reach in the solar radiation observation system that World Meteorological Organization (WMO) requires: fine or 0.2 ° of solar time arranged; When the cloudy day or the sun are invisible 1 °, and should shorten two kinds of patterns time of conversion automatically as far as possible.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of automatic sun tracker with position memory device is provided, and it is simple and compact for structure; Easy to install, improve and follow the tracks of reliability and data integrity, reduce power consumption; Reduce use cost, safe and reliable.
The technical scheme that provides according to the utility model; Said automatic sun tracker with position memory device; Comprise the tracker base, said tracker base is provided with the tracker housing, is provided with position angle turbine reducer casing and elevation angle turbine reducer casing in the said tracker housing; Elevation angle turbine reducer casing second output shaft of said elevation angle turbine reducer casing is provided with the direct radiation sensor; Position angle turbine reducer casing first output shaft of said position angle turbine reducer casing links to each other with elevation angle turbine reducer casing, and position angle turbine reducer casing second output shaft of position angle turbine reducer casing is provided with position angle memory mechanism; Elevation angle turbine reducer casing first output shaft of elevation angle turbine reducer casing is provided with angle of pitch memory mechanism.
Said position angle memory mechanism and angle of pitch memory mechanism form by magnetic rotary encoder and magnet corresponding matching.
Be provided with the position angle reducer casing driving mechanism that position angle turbine reducer casing first output shaft that is used for driven square parallactic angle turbine reducer casing and position angle turbine reducer casing second output shaft rotate in the said tracker housing.
Said position angle reducer casing driving mechanism comprises the position angle drive motor, and the output shaft of said position angle drive motor links to each other with the input shaft of position angle turbine reducer casing through gear.
Be provided with in the said tracker housing and be used to drive elevation angle turbine reducer casing first output shaft of elevation angle turbine reducer casing and the elevation angle reducer casing driving mechanism that elevation angle turbine reducer casing second output shaft rotates.
Said elevation angle reducer casing driving mechanism comprises the elevation angle drive motor, and the output shaft of said elevation angle drive motor links to each other with the input shaft of elevation angle turbine reducer casing through gear.
The advantage of the utility model: through forming position angle memory mechanism and elevation angle memory mechanism after magnetic rotary encoder and the magnet corresponding matching respectively, in the calendar tracing mode, not only improved operation accuracy (having brought up to 1 °) by original 2 °; Start working from zero-bit again after also need not getting back to zero-bit when running into problems such as interference, reset to restart at every turn, but can directly find current location directly to recover operate as normal; Because the reducing of tracking error, reduce switching time greatly when calendar tracing mode and sensor tracing mode are switched; Any time, the automatic sun tracker all was operated in the closed-loop system, so the reliability of total system, and the integrality of data, real-time have also improved an one magnitude.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1: the utility model comprises tracker base 1; Position angle turbine reducer casing 2; Elevation angle turbine reducer casing 3; Position angle reducer casing driving mechanism 4; Elevation angle reducer casing driving mechanism 5; Position angle turbine reducer casing first output shaft 6; Elevation angle turbine reducer casing first output shaft 7; Position angle memory mechanism 8; Angle of pitch memory mechanism 9; Direct radiation sensor 10; Tracker housing 11; Position angle turbine reducer casing second output shaft 12 and elevation angle turbine reducer casing second output shaft 13.
As shown in Figure 1: said tracker base 1 is provided with tracker housing 11; Be provided with position angle turbine reducer casing 2 and elevation angle turbine reducer casing 3 in the said tracker housing 11; Position angle turbine reducer casing 2 is provided with position angle turbine reducer casing first output shaft 6 and position angle turbine reducer casing second output shaft 12, and elevation angle turbine reducer casing 3 is provided with elevation angle turbine reducer casing first output shaft 7 and elevation angle turbine reducer casing second output shaft 13.Be provided with the position angle turbine reducer casing driving mechanism 4 that position angle turbine reducer casing first output shaft 6 that is used for driven square parallactic angle turbine reducer casing 2 and position angle turbine reducer casing second output shaft 12 rotate in the tracker housing 11; Said position angle turbine reducer casing driving mechanism 4 comprises the position angle drive motor, and the output shaft of said position angle drive motor links to each other with the input shaft of position angle turbine reducer casing; Simultaneously; Be provided with in the tracker housing 11 and be used to drive elevation angle turbine reducer casing first output shaft 7 of elevation angle turbine reducer casing 3 and the elevation angle turbine reducer casing driving mechanism 5 that elevation angle turbine reducer casing second output shaft 13 rotates; Said elevation angle turbine reducer casing driving mechanism 5 comprises the elevation angle drive motor, and the output shaft of said elevation angle drive motor links to each other with the input shaft of elevation angle turbine reducer casing 3 through gear.Elevation angle turbine reducer casing second output shaft 13 passes outside the tracker housing 11; And elevation angle turbine reducer casing second output shaft 13 is provided with direct radiation sensor 10 corresponding to passing tracker housing 11 outer ends, can measure the radiation intensity of the sun through direct radiation sensor 10.Turbine reducer casing first output shaft 6 in position angle links to each other with elevation angle turbine reducer casing 3, can drive elevation angle turbine reducer casing 3 and rotate accordingly.
In order can to follow the tracks of position of sun timely and effectively, and obtain corresponding radiation value, turbine reducer casing second output shaft 12 in position angle is provided with position angle memory mechanism 8, and said position angle memory mechanism 8 is formed by magnetic rotary encoder and magnet corresponding matching; Simultaneously, elevation angle turbine reducer casing first output shaft 7 is provided with angle of pitch memory mechanism 9, and said angle of pitch mechanism 9 also is to be formed by magnetic rotary encoder and magnet corresponding matching.
Magnetic rotary encoder is a kind of scrambler that utilizes Hall effect, belongs to non-cpntact measurement, has following advantage: environmental resistance is good, is not afraid of oil, dust, can use in the big occasion of temperature variation; Compare with photoelectric encoder, volume is little, and is simple in structure, shock resistance, and reliability is high; Need not to use light emitting diode, the few and long service life of power consumption only need be installed a bipolar rare-earth magnet and a magnetic rotary encoder IC chip.The AEAT6600 sixteen bit magnetic rotary encoder that uses U.S.'s AnHua GaoKe to produce in the present embodiment is accomplished design, can export absolute position (position angle, the angle of pitch) information of a serial.The scrambler minimum resolution can reach 0.05 degree, and (40 ℃ ~+85 ℃) limits of error can satisfy present tracker calendar tracing mode operation demand fully less than 1 degree in the revised whole temperature range.
As shown in Figure 1: during use; Tracker housing 11 is installed on the position that needs through tracker base 1; Position angle turbine reducer casing driving mechanism 4 and elevation angle turbine reducer casing driving mechanism 5 are set in the tracker housing 11; Through the corresponding matching of position angle turbine reducer casing 2 and elevation angle turbine reducer casing 3, can adjust the position angle and the angle of pitch of direct radiation sensor 10, the feasible direct radiation value that can measure the sun through direct radiation sensor 10.Mechanism 8, angle of pitch memory mechanism 9, position angle turbine reducer casing driving mechanism 4 and elevation angle turbine reducer casing driving mechanism 5 are remembered in the position angle all to link to each other with controller.When tracker according to weather condition during in the conversion of sensor tracing mode and calendar tracing mode; Controller can be remembered mechanism 8 and angle of pitch memory mechanism 9 current position angle, the angles of pitch according to the position angle and regulate position angle turbine reducer casing driving mechanism 4, elevation angle turbine reducer casing driving mechanism 5, makes that the measurement state of direct radiation sensor 10 can be consistent with position of sun fast.Particularly: under the calendar tracing mode; Controller not only need calculate the angle when the forward angle and the angle of pitch; Also need read the magnetic rotary encoder output relevant position in position angle memory mechanism 8 and the angle of pitch memory mechanism 9 in real time; After position angle turbine reducer casing driving mechanism 4 and 5 drivings of elevation angle turbine reducer casing driving mechanism, make direct radiation sensor 10 turn to corresponding position angle, the angle of pitch.Controller has been formed a closed-loop system through position angle memory mechanism 8, angle of pitch memory mechanism 9 with position angle turbine reducer casing driving mechanism 4 and elevation angle turbine reducer casing driving mechanism 5; Original relatively open cycle system; Not only eliminated error, also eliminated mechanically because the error that gear etc. produce.Improved precision.
Tracker need not return the zero-bit position when cold start-up or resetting.As long as controller reads the current location of the magnetic rotary encoder of position angle memory mechanism 8, elevation angle memory mechanism 9 correspondences; Calculated target positions gets final product through making direct radiation sensor 10 directly run to current location after position angle turbine reducer casing driving mechanism 4 and elevation angle turbine reducer casing driving mechanism 5 corresponding matching then.It is many that toggle speed is fast like this.The continuity, the system power dissipation that have ensured data also reduce greatly.
The utility model forms position angle memory mechanism 8 and elevation angle memory mechanism 9 after through magnetic rotary encoder and magnet corresponding matching respectively, in the calendar tracing mode, not only improved operation accuracy (having brought up to 1 ° by original 2 °); And work as problems such as running into interference, reset to restart also to search out zero-bit at every turn, can run to accurate position very soon; Because the reducing of tracking error, reduce switching time greatly when calendar tracing mode and sensor tracing mode are switched; Any time, the automatic sun tracker all was operated in the closed-loop system, so the reliability of total system, and the integrality of data, real-time have also improved an one magnitude.
Claims (6)
1. automatic sun tracker with position memory device; Comprise tracker base (1); Said tracker base (1) is provided with tracker housing (11), is provided with position angle turbine reducer casing (2) and elevation angle turbine reducer casing (3) in the said tracker housing (11); Elevation angle turbine reducer casing second output shaft (13) of said elevation angle turbine reducer casing (3) is provided with direct radiation sensor (10); It is characterized in that: position angle turbine reducer casing first output shaft (6) of said position angle turbine reducer casing (2) links to each other with elevation angle turbine reducer casing (3), and position angle turbine reducer casing second output shaft (12) of position angle turbine reducer casing (2) is provided with position angle memory mechanism (8); Elevation angle turbine reducer casing first output shaft (7) of elevation angle turbine reducer casing (3) is provided with angle of pitch memory mechanism (9).
2. the automatic sun tracker with position memory device according to claim 1 is characterized in that: said position angle memory mechanism (8) and angle of pitch memory mechanism (9) form by magnetic rotary encoder and magnet corresponding matching.
3. the automatic sun tracker with position memory device according to claim 1 is characterized in that: be provided with the position angle reducer casing driving mechanism (4) that position angle turbine reducer casing first output shaft (6) that is used for driven square parallactic angle turbine reducer casing (2) and position angle turbine reducer casing second output shaft (12) rotate in the said tracker housing (11).
4. the automatic sun tracker with position memory device according to claim 3; It is characterized in that: said position angle reducer casing driving mechanism (4) comprises the position angle drive motor, and the output shaft of said position angle drive motor links to each other with the input shaft of position angle turbine reducer casing (2) through gear.
5. the automatic sun tracker with position memory device according to claim 1 is characterized in that: be provided with the elevation angle reducer casing driving mechanism (5) that elevation angle turbine reducer casing first output shaft (7) that is used to drive elevation angle turbine reducer casing (3) and elevation angle turbine reducer casing second output shaft (13) rotate in the said tracker housing (11).
6. the automatic sun tracker with position memory device according to claim 5; It is characterized in that: said elevation angle reducer casing driving mechanism (5) comprises the elevation angle drive motor, and the output shaft of said elevation angle drive motor links to each other with the input shaft of elevation angle turbine reducer casing (3) through gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120422165XU CN202306332U (en) | 2011-10-28 | 2011-10-28 | Automatic solar tracker with position memory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120422165XU CN202306332U (en) | 2011-10-28 | 2011-10-28 | Automatic solar tracker with position memory device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202306332U true CN202306332U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120422165XU Expired - Lifetime CN202306332U (en) | 2011-10-28 | 2011-10-28 | Automatic solar tracker with position memory device |
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| CN (1) | CN202306332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635758A (en) * | 2014-12-16 | 2015-05-20 | 衢州职业技术学院 | Direct-solar-radiation surface radiation sensor and control method thereof |
-
2011
- 2011-10-28 CN CN201120422165XU patent/CN202306332U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635758A (en) * | 2014-12-16 | 2015-05-20 | 衢州职业技术学院 | Direct-solar-radiation surface radiation sensor and control method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 214000 28 Weiming Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Aerospace new weather Technology Co., Ltd Address before: Jinxi road Binhu District 214125 Jiangsu city of Wuxi province No. 100 Patentee before: Jiangsu Provincial Radio Inst Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |