CN101893897B - Sunlight reflecting spotlight sun-fixing positioning tracking drive device - Google Patents
Sunlight reflecting spotlight sun-fixing positioning tracking drive device Download PDFInfo
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- CN101893897B CN101893897B CN201010207987A CN201010207987A CN101893897B CN 101893897 B CN101893897 B CN 101893897B CN 201010207987 A CN201010207987 A CN 201010207987A CN 201010207987 A CN201010207987 A CN 201010207987A CN 101893897 B CN101893897 B CN 101893897B
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Abstract
The invention relates to a sunlight reflecting spotlight sun-fixing positioning and tracking system and belongs to the technical field of the application of solar energy. The sunlight reflecting spotlight sun-fixing positioning and tracking system comprises a sunlight reflecting spotlight sun-fixing aiming sensor (18), a sunlight normal incidence and reflection converter (12) and a reflecting spotlight tracking drive mechanism. The sun-fixing aiming sensor (18) comprises a housing framework (7), a left-side sunlight collecting chamber (1), a right-side sunlight collecting chamber (5), a sun-fixing aiming arm (3) and a junction box (8). The sunlight normal incidence and reflection converter (12) comprises a driving gear (9), a driven gear (11) and a reversing gear (10), which are mutually engaged with each other. The sunlight reflecting spotlight tracking drive mechanism comprises a semi-circle driving wheel (16), a sunlight reflecting mirror (13), a rubber driving wheel (14) and a DC geared motor (15). The sunlight reflecting spotlight sun-fixing positioning and tracking system has the advantages of simple structure, low cost, no limitation to positions, directions and angles, precise tracking and extremely high power consumption and can be applied to medium-and high-temperature solar energy heat-concentration.
Description
Technical field:
The present invention relates to a kind of sunlight reflecting spotlight sun-fixing locating and tracking system, belong to application of solar.
Background technology:
Along with exhausting day by day of global chemical energy sources such as oil, coal raises with price and the rise day by day of the energy-conservation trend of low-carbon environment-friendly day by day, Application of Solar Energy is received much attention, particularly high temperature solar is used.But the acquisition of high temperature solar has restricted its application because of its control technology is complicated, manufacturing process is complicated, with high costs, or even is unable to reach.Present control method is: earth rotation speed and the earth are imported computing machine around the revolve around the sun angle on plane of the speed of sun revolution and earth rotation plane and the earth.At first must main shaft be followed the tracks of in the sun power rotation during use is aligned to consistent with the turning axle direction of the earth; Import the accurate longitude and latitude of position then, time and mirror surface present and the thing of ground level and the accurate angle of north and south face, this computer-chronograph is according to the parameter of being imported; Calculate the position of the current time sun on high; Stepper motor through X on the control solar energy equipment and Y direction rotates, and the sun is aimed in the adjustment of optically focused heat build-up face, is a kind of active tracking mode.If multiple arrangement, special high temperature solar all is made up of a lot of reflectings surface, and position separately and initial angle are different again, and calibration is got up complicated with more.And, because be to adopt initiatively tracking mode, can not consider weather conditions and cloud layer moving situation, cause no matter fine or overcast and rainy and have or not cloud layer to block, all control optically focused heat build-up face and aim at the sun all the time, thereby cause unnecessary power consumption.In addition, owing to adopt stepper motor to control, exist power consumption big, the shortcoming that price is high.
Summary of the invention:
The objective of the invention is to overcome the defective of above-mentioned prior art, and a kind of sunshine reflecting condensation locating and tracking system originally is provided.
Sunlight reflecting spotlight sun-fixing locating and tracking system of the present invention adopts sunlight servo-actuated control mode, and when sunlight strength reaches the preset reference value when above, device accurately reflexes to sunshine on the heat collector immediately.
A kind of sunlight reflecting spotlight sun-fixing of the present invention location locating and tracking system, by sunlight reflecting spotlight sun-fixing aiming sensor (18), sun light positive penetrates reflection converter (12) and three main parts of reflecting condensation tracking drive mechanism are formed.Wherein:
Described settled date aiming sensor (18) is by the casing frame (7) of the diffuse light transmission scattered light material thin slice (4) that is pasted with one deck light color on it; Left side sun light acquisition cavity (1); Right side sun light acquisition cavity (5); And be arranged in two sun light acquisition cavities part, with light tight not reflective material preparation and separate the settled date aiming arm (3) of left and right sides light path, and place terminal box (8) formation of casing frame (7) bottom; Wherein, be close to settled date aiming arm (3) left side central portion in the middle part of the left side sun light acquisition cavity (1) left side infrared photodiode (2) is housed, be close to settled date aiming arm (3) right side central in the middle part of the right side sun light acquisition cavity (5) the infrared photodiode in right side (6) is housed.
Described sun light positive is penetrated reflection converter (12) and is meshing with each other by driving gear (9), follower gear (11) and tumbler gear (10) and forms; The toughness terylene cingulum that driving gear (9), follower gear (11) and tumbler gear (10) are taken turns and are mounted on the base wheel by the hard base constitutes; Driving gear (9) is 2: 1 with the gear ratio of follower gear (11), and tumbler gear (10) is 1: 1 with the gear ratio of follower gear (11), accomplishes the two-to-one conversion that just is being mapped to reflection ray.
Described sunshine reflecting condensation tracking drive mechanism is by placing semicircle driving wheel (16) on the rotating spindle (17), be installed in solar light reflecting mirror sheet (13) on semicircle driving wheel (16) support, place the rubber driving wheel (14) of semicircle driving wheel (16) below, DC speed-reducing (15) formation that is connected with rubber driving wheel (14); DC speed-reducing (15) is rotated in 160 ° of scopes through rubber driving wheel (14), semicircle driving wheel (16), drives solar light reflecting mirror sheet (13) sunshine is reflexed on the fixing heat collector.
The present invention compared with prior art has the following advantages and beneficial effect:
1, adopts settled date aiming sensor and sunshine servo-actuated tracking mode; When the sunshine light is lower than certain threshold values; Follow the tracks of and promptly to stop, reducing power consumption, can effective active tracking mode intrinsic shortcoming of still following the tracks of power consumption at the cloudy day or when having cloud layer to block.Also needn't stress longitude and latitude and orientation during installation, make installation, debugging and maintenance very easy, can both also accurately sunshine be reflexed on the heat collector by the accurate tracking sun no matter install any position.
2, adopt DC speed-reducing to follow the tracks of driving, power consumption is extremely low, also can effectively reduce manufacturing cost;
3, adopt settled date aiming sensor construction of the present invention; Can accurately detect and compare sun direction of light; Effectively eliminate sunlight and detect the dead angle, even sunshine from the opposite direction irradiation of settled date aiming arm, also can detect relatively and the sunlight reflected face is traced into the strongest direction of sunlight; Improve solar energy utilization rate to greatest extent, high temperature solar is used in being particularly suitable for.
Description of drawings:
Fig. 1 is that sunlight reflecting spotlight sun-fixing sensor master of the present invention looks cross-sectional view.
Fig. 2 sun light positive of the present invention is penetrated reflection converter master TV structure synoptic diagram.
Fig. 3 is an one-piece construction synoptic diagram of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and instance the present invention is described further.Part of the present invention is market and buys.
Referring to Fig. 1～Fig. 4; The present invention is mainly by sunlight reflecting spotlight sun-fixing aiming sensor 18, and sun light positive is penetrated reflection converter 12 and by rotating spindle 17, semicircle driving wheel 16, DC speed-reducing 15, rubber driving wheel 14 and be installed in three main parts of reflecting condensation tracking drive mechanism that the solar light reflecting mirror sheet 13 on the semicircle wheel support constituted and form.
Sunlight reflecting spotlight sun-fixing aiming sensor 18 is by the casing frame 7 of the diffuse light transmission scattered light material thin slice 4 that is pasted with one deck light color on it; Left side sun light acquisition cavity 1; Right side sun light acquisition cavity 5; And be arranged in two sun light acquisition cavities part, with light tight not reflective material preparation and separate the settled date aiming arm 3 of left and right sides light path, and place terminal box 8 formations of casing frame 7 bottoms; Comprise infrared photodiode 2 in left side and the infrared photodiode 6 in right side in the left and right sides sun light acquisition cavity respectively; Optically focused settled date aiming sensor 18 carries out coaxial the connection with the driving gear 9 that sun light positive is penetrated reflection converter 12.
Sun light positive is penetrated reflection converter 12 and is meshing with each other by driving gear 9, follower gear 11 and tumbler gear 10 and forms.Three gears adopt hard base wheel and mount toughness terylene cingulum, constitute not have and rotate gear set intermittently, and wherein, the gear ratio of driving gear and follower gear is 2: 1, accomplish the light conversion that sun light positive is mapped to reflection; Tumbler gear and follower gear gear ratio are 1: 1, accomplish the settled date commutation function of sunlight reflecting spotlight sun-fixing sensor.
The reflecting condensation tracking drive mechanism comprises rotating spindle 17, semicircle driving wheel 16, DC speed-reducing 15, rubber driving wheel 14 and is installed in the solar light reflecting mirror sheet 13 on the semicircle drive wheel bracket.Rotating spindle 17 carries out coaxial the connection with the driving gear 9 that sun light positive is penetrated reflection converter 12; DC speed-reducing 15 drives semicircle driving wheel 16 through rubber driving wheel 14 and in 160 ° of scopes, rotates, and drives solar light reflecting mirror sheet 13 sunshine is reflexed on the heat collector of fixed position.
During this device busy; At first by settled date aiming sensor 18 through about the infrared photodiode 2 of two sun light acquisition cavities both direction detects the light value of sunshine from the left and right sides, send into control circuit, control circuit carries out the calculating and the comparison of light difference; When the light difference surpasses certain threshold values; Control circuit sends control signal, and control DC speed-reducing 15 drives semicircle driving wheel 16, and drives 13 rotations of solar light reflecting mirror sheet.Because settled date aiming sensor 18 links through rotating spindle 17 with mirror surface 13; Thereby about the bright difference that detected of the infrared photodiode 2 of two sun light acquisition cavities more and more approaching; When bright difference convergence is zero; Settled date aiming arm 3 also aims at the strongest direction of sunshine, and DC speed-reducing also stops operating for 15 this moments, thus the strongest direction of locking sunlight.After the solar motion displacement; About the infrared photodiode 2 detected sun light differences of two sun light acquisition cavities will progressively increase; When the light difference surpasses certain threshold values, will repeat above tracing process, make settled date aiming sensor 18 remain the strongest direction of locking sunshine.Penetrate the conversion that 12 pairs of sunlight of reflection converter just are being mapped to reflection owing to passed through sun light positive between settled date aiming sensor 18 and the mirror surface 13, so the reflected light of mirror surface will accurately be positioned on the heat collector of fixed position at this moment.
The infrared photodiode 2 in left side is close to settled date aiming arm 3 to improve pointing accuracy when mounted with the infrared photodiode 6 in right side.The brachium of settled date aiming arm 3 is long more, and the aiming precision also will be high more; But to be advisable to reach predetermined accuracy.Sunshine sees through light color on the casing frame 7 be mounted on settled date aiming sensor and overflows and pass through scattered light material thin slice 4, provide diffusion light to about two sun light acquisition cavities.Settled date aiming arm 3 is isolated left and right sides light path, and it is poor to make control circuit can accurately obtain light; Settled date aiming sensor 18 whole casing are for sealing not light leak reflective structure.
Claims (1)
1. a sunlight reflecting spotlight sun-fixing locating and tracking system aims at sensor (18) by sunlight reflecting spotlight sun-fixing, and sun light positive penetrates reflection converter (12) and three main parts of reflecting condensation tracking drive mechanism are formed; It is characterized in that:
A. said settled date aiming sensor (18) is by the casing frame (7) of the diffuse light transmission scattered light material thin slice (4) that is pasted with one deck light color on it; Left side sun light acquisition cavity (1); Right side sun light acquisition cavity (5); And be arranged in two sun light acquisition cavities part, with light tight not reflective material preparation and separate the settled date aiming arm (3) of left and right sides light path, and place terminal box (8) formation of casing frame (7) bottom; Wherein, be close to settled date aiming arm (3) left side central portion in the middle part of the left side sun light acquisition cavity (1) left side infrared photodiode (2) is housed, be close to settled date aiming arm (3) right side central in the middle part of the right side sun light acquisition cavity (5) the infrared photodiode in right side (6) is housed;
B. said sun light positive is penetrated reflection converter (12) and is meshing with each other by driving gear (9), follower gear (11) and tumbler gear (10) and forms; The toughness terylene cingulum that driving gear (9), follower gear (11) and tumbler gear (10) are taken turns and are mounted on the base wheel by the hard base constitutes; Driving gear (9) is 2: 1 with the gear ratio of follower gear (11), and tumbler gear (10) is 1: 1 with the gear ratio of follower gear (11), accomplishes the two-to-one conversion that just is being mapped to reflection ray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010207987A CN101893897B (en) | 2010-06-24 | 2010-06-24 | Sunlight reflecting spotlight sun-fixing positioning tracking drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010207987A CN101893897B (en) | 2010-06-24 | 2010-06-24 | Sunlight reflecting spotlight sun-fixing positioning tracking drive device |
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| Publication Number | Publication Date |
|---|---|
| CN101893897A CN101893897A (en) | 2010-11-24 |
| CN101893897B true CN101893897B (en) | 2012-10-10 |
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| CN201010207987A Expired - Fee Related CN101893897B (en) | 2010-06-24 | 2010-06-24 | Sunlight reflecting spotlight sun-fixing positioning tracking drive device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102393750B (en) * | 2011-09-26 | 2014-12-17 | 山西国际能源集团新能源投资管理有限责任公司 | Method for automatically tracking solar energy by using temperature variation |
| CN202853147U (en) * | 2011-10-10 | 2013-04-03 | 威海金太阳光热发电设备有限公司 | Solar heat collection device with rotary heat collection pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2544101A1 (en) * | 1983-04-08 | 1984-10-12 | Raynaud Marc | Sun following system |
| JP3521197B1 (en) * | 2003-09-03 | 2004-04-19 | 株式会社虎門琴平会館ビル | Light source position tracking device and tracking method |
| CN1689158A (en) * | 2002-08-13 | 2005-10-26 | 埃斯蒙德·T·戈艾 | Concentrating solar energy receiver |
| CN101236287A (en) * | 2008-02-26 | 2008-08-06 | 苏建国 | Heliostat device |
| CN201383772Y (en) * | 2009-04-09 | 2010-01-13 | 云南清洁能源科技有限公司 | Solar automatic follow drive device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090260619A1 (en) * | 2008-04-20 | 2009-10-22 | The Boeing Company | Autonomous heliostat for solar power plant |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2544101A1 (en) * | 1983-04-08 | 1984-10-12 | Raynaud Marc | Sun following system |
| CN1689158A (en) * | 2002-08-13 | 2005-10-26 | 埃斯蒙德·T·戈艾 | Concentrating solar energy receiver |
| JP3521197B1 (en) * | 2003-09-03 | 2004-04-19 | 株式会社虎門琴平会館ビル | Light source position tracking device and tracking method |
| CN101236287A (en) * | 2008-02-26 | 2008-08-06 | 苏建国 | Heliostat device |
| CN201383772Y (en) * | 2009-04-09 | 2010-01-13 | 云南清洁能源科技有限公司 | Solar automatic follow drive device |
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| CN101893897A (en) | 2010-11-24 |
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