CN102147621A - Bionic daylight tracking system based on eutropic principle of sunflower - Google Patents
Bionic daylight tracking system based on eutropic principle of sunflower Download PDFInfo
- Publication number
- CN102147621A CN102147621A CN 201110136322 CN201110136322A CN102147621A CN 102147621 A CN102147621 A CN 102147621A CN 201110136322 CN201110136322 CN 201110136322 CN 201110136322 A CN201110136322 A CN 201110136322A CN 102147621 A CN102147621 A CN 102147621A
- Authority
- CN
- China
- Prior art keywords
- unit
- sensitization
- tracking
- module
- circumference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a bionic daylight tracking system based on eutropic principle of sunflower, comprising a tracking board 1, photosensitive stretching modules (2(1), 2(2), 2(3),... 2(n-2), 2(n-1), 2 (2) (n=2, 3, 4...)) and a supporting module 3. The internal parts of the photosensitive stretching modules are the same; and the photosensitive stretching modules are evenly arranged into a circle along the circumference 4 of the tracking board edge and positioned in parallel. Each photosensitive stretching module correspondingly stretch out or draw back according to the difference of light intensities at inner and outer sides of the circumference 4 at the positions where the photosensitive stretching modules are arranged so as to complete the sun-facing function.
Description
Technical field
The present invention relates to automatic solar tracking devices field, be specifically related to the bionical solar tracking devices of a kind of sunflower-type.
Background technology
Sun power is as a kind of abundant green energy resource, and its application prospect is very wide, has therefore obtained increasing concern, and the automatic solar tracking devices that can effectively improve its utilization factor also arises at the historic moment.Domestic existing solar tracking devices, solar motion track following and photoelectric tracking have been said from tracking control, single-direction tracing and bi-directional tracking have been said from following the tracks of implementation structure, adopt the bi-directional tracking structure at present mostly, promptly follow the tracks of simultaneously from elevation angle and position angle (being thing and North and South direction) of the sun.As application number is 200920196802.9 " a kind of solar azimuth pick-up units that are used for automatic sun tracking " announced, promptly adopts a kind of solar azimuth pick-up unit based on photoelectric control to combine with the bi-directional tracking structure and realizes the daylight tracking; Application number is that 200910086876.1 " 24-hour-service solar photovoltaic power-generating self-tracking systems " announced then combine the tracking of employing bi-directional tracking structure realization daylight with solar motion Trajectory Tracking Control and photoelectric tracking control by the tracking mode control module; Application number is 201010244994.3 " automatic sunlight tracking devices " announced, is about to combine realization daylight with the bi-directional tracking structure according to the tracking Control program that the astronomical constants of solar motion track is set and follows the tracks of.In addition, application number is that 201020181844.8 " the two turbine double-shaft solar followers " announced have mainly been introduced a kind of improved bi-directional tracking structure.
For existing these trackers, no matter be to adopt solar motion Trajectory Tracking Control or photoelectric tracking control, its control signal finally feeds back to control program, carries out by program control step-by-step system and follows the tracks of.The use of program-controlled unit has increased the complexity of system undoubtedly, and this has limited the range of application of system.In addition, single-direction tracing structure, its tracking accuracy are difficult to improve; The bi-directional tracking structure, promptly by the position angle and the elevation angle tracking that horizontally rotate and vertically pitching realizes the sun, this tracking structure itself will make kinematic error have cumulative bad, and its tracking accuracy also has limitation.Therefore, be necessary that existing tracker is done further optimization to be improved, and makes it be applied to field of solar energy utilization more at large.
Summary of the invention:
Problem to be solved by this invention is: how to make up a kind of automatic solar tracking devices, its tracking accuracy can increase than the tracking accuracy of existing system, and can reduce the complexity of control system, and can follow the tracks of the field by the daylight of expanded application under different demands.
Technical matters provided by the present invention is to solve like this: it comprise tracking plate (1), the flexible module of sensitization (2 (1), 2 (2), 2 (3) ..., 2 (n-2), 2 (n-1), 2 (n) (n=2,3,4 ...)) and supporting module (3).The flexible module of described sensitization is along the evenly distributed circle of tracking plate edge circumference (4), and the placement that is parallel to each other.The flexible inside modules structure of described sensitization is identical, comprises photosensitive unit (21), tracking plate linkage unit (22), elastic support unit (23) and telescopic unit (24).The flexible module of each sensitization is carried out flexible accordingly according to the inside and outside strong difference of sidelight of its position place's circumference (4), finish function on the sunny side.
According to bionical solar tracking devices provided by the present invention, the photosensitive unit (21) of the flexible module of sensitization wherein, it is characterized in that, photosensitive unit (21) is made of light activated element and interlock circuit, thus can the inside and outside strong difference of sidelight converts corresponding electric signal to and outputs to telescopic unit (24) in circumference (4) position with this unit.
According to bionical solar tracking devices provided by the present invention, the tracking plate linkage unit (22) of the flexible module of sensitization wherein, it is characterized in that tracking plate linkage unit (22) is mainly finished being connected of tracking plate (1) and photosensitive unit (21) and elastic support unit (23).
According to bionical solar tracking devices provided by the present invention, the elastic support unit (23) of the flexible module of sensitization wherein is characterized in that elastic support unit (23) is mainly used in the performance error of balanced each parts, effectively improves systematic tracking accuracy.
According to bionical solar tracking devices provided by the present invention, the telescopic unit (24) of the flexible module of sensitization wherein, it is characterized in that, telescopic unit (24) is realized the linear telescopic motion according to the output signal of photosensitive unit (21), finally show as: when the inboard light intensity of circumference (4) during greater than outside light intensity, the telescopic unit elongation; When the inboard light intensity of circumference (4) during less than outside light intensity, telescopic unit shortens.
According to bionical solar tracking devices provided by the present invention, supporting module wherein (3) is characterized in that, this module is as the support section of total system, is complementary with the flexible module of sensitization, can be well firm and support total system.
According to bionical solar tracking devices provided by the present invention, be a kind of fully based on the face south automatic solar tracking devices of this bionical theory of sunflower, it has broken away from complicated logic circuits structure and control program, realize photoelectric tracking control by photo-sensitive cell and interlock circuit, and with photoelectric tracking control with follow the tracks of implementation structure and be integrated in an independently module, be the flexible module of sensitization, can realize the daylight tracking of different accuracy demand by the expansion of module.
Description of drawings:
Fig. 1 is the general structure synoptic diagram of system;
Fig. 2 is the vertical view of system; Fig. 3 is the flexible modular structure synoptic diagram of sensitization;
Fig. 4 is photosensitive unit example 1---the block bearing structure of the flexible module of sensitization;
Fig. 5 is photosensitive unit example 2---the tubular bearing structure of the flexible module of sensitization;
Fig. 6 is tracking plate linkage unit example---the helicitic texture of the flexible module of sensitization;
Fig. 7 is elastic support unit example 1---the rubber structure of the flexible module of sensitization;
Fig. 8 is elastic support unit example 2---the spring structure of the flexible module of sensitization;
Fig. 9 for the flexible module of sensitization telescopic unit example 1---common electric machine adds gear ﹠ rack structure;
Figure 10 is telescopic unit example 2---the structure of the linear motion actuator of the flexible module of sensitization;
Figure 11 is a supporting module example 1;
Figure 12 is a supporting module example 2.
Wherein, among Fig. 1, Fig. 2,1 is tracking plate, 2 (1), 2 (2), 2 (3) ..., 2 (n-2), 2 (n-1), 2 (n) are the flexible module of sensitization, 3 is supporting module, 4 is circumference; Among Fig. 3,21 is photosensitive unit, and 22 is the tracking plate linkage unit, and 23 is elastic support unit, and 24 is telescopic unit; Among Fig. 4, Fig. 5,2111 (1), 2111 (2), 2111 (3), 2112 (1), 2112 (2), 2112 (3), 2112 (4) are light activated element, 2121,2122 be respectively block bearing structure and tubular bearing structure, 2131,2132 are fixed connecting rod; Among Fig. 6,221 is fixedly connected tube, and 222 is gib screw, and 223 is whorl brace rod; Among Fig. 7, Fig. 8,2311,2331,2312,2332 are the screw syndeton, and 2321,2322 are respectively rubber and spring, and 2341,2342 are whorl brace rod; Among Fig. 9,2411 is the screw syndeton, and 2421 is tooth bar, and 2431 is gear, and 2441 is electric rotating machine, and 2451 is pad; Among Figure 10,2412 is the screw syndeton, and 2422 is linear electric motors, and 2432 is pad; Among Figure 11,311 is back up pad, 321 (1), 321 (2), 321 (3) ..., 321 (n-2), 321 (n-1), 321 (n) are hollow bearing; Among Figure 12,312 (1), 312 (2), 312 (3) ..., 312 (n-2), 312 (n-1), 312 (n) are Hollow Pillar, 322 is base plate.
Embodiment:
Below in conjunction with accompanying drawing the present invention is described further:
Be illustrated in figure 1 as the general structure synoptic diagram of system, this system comprise the flexible module of tracking plate 1, sensitization (2 (1), 2 (2), 2 (3) ..., 2 (n-2), 2 (n-1), 2 (n)) and supporting module 3.The flexible module of described sensitization is evenly distributed along tracking plate edge circumference 4.Each inside modules structure is identical, is illustrated in figure 3 as its inner structure synoptic diagram, comprises photosensitive unit 21, tracking plate linkage unit 22, elastic support unit 23 and telescopic unit 24.
When sunlight tilts to inject this system, the photosensitive unit 21 of the flexible module of each sensitization converts the equation of light xor signal in the outside in its place, position circumference 4 to electric signal and outputs to telescopic unit 24, telescopic unit 24 promptly begins to do the linear telescopic motion towards the sun, and drives the on the sunny side motion of tracking plate 1 in all directions by elastic support unit 23.Because the performance difference of each class component, light barrier may have conflict when a plurality of directions are moved simultaneously, and this situation then can be come the equalizing system error by elastic support unit 23, finally improves system accuracy.
The function of setting forth the flexible module of sensitization below in conjunction with the accompanying drawing example realizes:
Fig. 4,5 is the structure example of photosensitive unit 21, plate shape bearing structure in the middle of Fig. 4 and the tubular bearing structure in the middle of Fig. 5 are axis of symmetry with circumference 4 all, light activated element circumference placed on it symmetrically 4 both sides can convert the difference of circumference 4 both sides light intensity to corresponding electric signal by interlock circuit again.In addition, the fixed connecting rod of its lower end is used for itself and the fixedlying connected of correlation unit.
Fig. 6 is the structure example of tracking plate linkage unit 22, its top is fixing with photosensitive unit 21 by the screw screw, fixedly connected tracking plate 1 by whorl brace rod in the lower part with elastic support unit 23, thus that tracking plate 1, photosensitive unit 21 and elastic support unit 23 threes are fixing simultaneously.
Fig. 7,8 is the structure example of elastic support unit 23, and Fig. 7 is a rubber structure, and Fig. 8 is a spring structure, is used for the equalizing system error, effectively improves systematic tracking accuracy.The helicitic texture of its top and bottom is used for being connected of this unit and correlation unit.
Fig. 9,10 is the structure example of telescopic unit 24, and wherein, Fig. 9 combines with rack-and-pinion for common electric machine, Figure 10 is linear electric motors, both functions are the same, all convert the electrical signal to corresponding vertically stroke, realize that light barrier makes progress to the tracking of daylight its counterparty.These two kinds of motors that structure example is selected can be directly driven by the output electric signal of photosensitive unit 21.
Figure 11,12 is the structure example of supporting module 3, and wherein, structure shown in Figure 11 can be used to mate stretching structure as shown in Figure 9, and structure shown in Figure 12 can be used to mate stretching structure as shown in figure 10.Wherein, hollow bearing among Figure 11 and the Hollow Pillar among Figure 12 amount of contraction that all can be used for carrying telescopic unit.These two kinds of structures all can firmly and support total system, and convenient expansion.
Claims (6)
1. one kind based on the face south bionical solar tracking devices of principle of sunflower, it is characterized in that it comprises tracking plate (1), the flexible module (2 (1), 2 (2) of sensitization, 2 (3) ..., 2 (n-2), 2 (n-1), 2 (n) (n=2,3,4 ...)) and supporting module (3).The flexible module of described sensitization is enclosed along tracking plate edge circumference (4) evenly distributed, and is parallel to each other.The flexible inside modules structure of described sensitization is identical, comprises photosensitive unit (21), tracking plate linkage unit (22), elastic support unit (23) and telescopic unit (24).The flexible module of each sensitization is carried out flexible accordingly according to the inside and outside strong difference of sidelight of its position place's circumference (4), finish function on the sunny side.
2. the described bionical solar tracking devices of claim 1, the photosensitive unit (21) of the flexible module of sensitization wherein, it is characterized in that, photosensitive unit (21) is made of light activated element and interlock circuit, can convert the inside and outside strong difference of sidelight in this place, unit circumference (4) position to corresponding electric signal thus and output to telescopic unit (24).
3. the described bionical solar tracking devices of claim 1, the tracking plate linkage unit (22) of the flexible module of sensitization wherein, it is characterized in that tracking plate linkage unit (22) is mainly finished being connected of tracking plate (1) and photosensitive unit (21) and elastic support unit (23).
4. the described bionical solar tracking devices of claim 1, the elastic support unit (23) of the flexible module of sensitization wherein is characterized in that elastic support unit (23) is mainly used in the performance error of balanced each parts, effectively improves systematic tracking accuracy.
5. the described bionical solar tracking devices of claim 1, the telescopic unit (24) of the flexible module of sensitization wherein, it is characterized in that, telescopic unit (24) is realized the linear telescopic motion according to the output signal of photosensitive unit (21), finally show as: when the inboard light intensity of circumference (4) during greater than outside light intensity, the telescopic unit elongation; When the inboard light intensity of circumference (4) during less than outside light intensity, telescopic unit shortens.
6. the described bionical solar tracking devices of claim 1, supporting module wherein (3) is characterized in that, this module is complementary with the flexible module of sensitization as the support section of total system, can be well firm and support total system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101363225A CN102147621B (en) | 2011-05-25 | 2011-05-25 | Bionic daylight tracking system based on eutropic principle of sunflower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101363225A CN102147621B (en) | 2011-05-25 | 2011-05-25 | Bionic daylight tracking system based on eutropic principle of sunflower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102147621A true CN102147621A (en) | 2011-08-10 |
| CN102147621B CN102147621B (en) | 2012-10-31 |
Family
ID=44421937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101363225A Expired - Fee Related CN102147621B (en) | 2011-05-25 | 2011-05-25 | Bionic daylight tracking system based on eutropic principle of sunflower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102147621B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649880A (en) * | 2019-08-30 | 2020-01-03 | 南京绿新能源研究院有限公司 | Power generation device for tracking light source and method for tracking light source |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952845Y (en) * | 2006-06-16 | 2007-09-26 | 珍通科技股份有限公司 | Automatic tracing sun type solar energy plate erecting device |
| KR100975050B1 (en) * | 2009-12-11 | 2010-08-11 | 주식회사 이노프 | Sun tracking apparatus |
| CN201594798U (en) * | 2009-12-15 | 2010-09-29 | 重庆大学 | Automatic sunray tracking device |
| CN102004494A (en) * | 2010-11-05 | 2011-04-06 | 河北理工大学 | Novel method and device for tracking sunrays |
-
2011
- 2011-05-25 CN CN2011101363225A patent/CN102147621B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952845Y (en) * | 2006-06-16 | 2007-09-26 | 珍通科技股份有限公司 | Automatic tracing sun type solar energy plate erecting device |
| KR100975050B1 (en) * | 2009-12-11 | 2010-08-11 | 주식회사 이노프 | Sun tracking apparatus |
| CN201594798U (en) * | 2009-12-15 | 2010-09-29 | 重庆大学 | Automatic sunray tracking device |
| CN102004494A (en) * | 2010-11-05 | 2011-04-06 | 河北理工大学 | Novel method and device for tracking sunrays |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649880A (en) * | 2019-08-30 | 2020-01-03 | 南京绿新能源研究院有限公司 | Power generation device for tracking light source and method for tracking light source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102147621B (en) | 2012-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102195527B (en) | Electric push rod-controlled photovoltaic generating set for automatically tracking sun with double shafts | |
| CN102081407B (en) | Heliostat grouping control device in heliostat field of solar tower power plant | |
| CN102073325A (en) | Biaxial automatic tracking device and method for maximum power point of solar panel | |
| CN105824326A (en) | Solar power bus stop automatic sun-shading system and control method | |
| CN1982752A (en) | Mechanical transmission with light-selector omnibearing motion driven and solar system thereof | |
| CN106357211A (en) | Novel photovoltaic power generation system with high power generation efficiency | |
| CN104345741A (en) | Novel solar inclination angle single-axis tracking system | |
| CN202616242U (en) | Multilayer folding type tracking photovoltaic module bracket | |
| CN104777849A (en) | Horizontal-shaft scale-type dual-shaft dual-linkage tracking bracket device | |
| KR100879031B1 (en) | Sun location tracking type solar generation apparatus | |
| CN202166898U (en) | Sun-tracking mechanism | |
| CN102841607B (en) | Sun tracking device and motion control method capable of sheltering from wind of photovoltaic power station | |
| CN102354223A (en) | Sunward axle tracking system along horizontal direction | |
| CN102147621B (en) | Bionic daylight tracking system based on eutropic principle of sunflower | |
| CN202533804U (en) | Photovoltaic module tracking system | |
| CN110061686A (en) | A kind of solar panels tracking adjusting device | |
| CN203416193U (en) | Solar generating device | |
| CN105656422B (en) | A kind of GZG-HT photovoltaics automatic tracking system | |
| CN208461756U (en) | A kind of parallel four-bar mechanism type device day by day | |
| CN203444340U (en) | Dual-shaft automatic sun tracking controller | |
| CN105334874A (en) | Automatic sunshine tracking system | |
| CN205880674U (en) | Disk photovoltaic tracking ware | |
| CN208931145U (en) | Photovoltaic module power generator and photovoltaic vehicle | |
| CN104165469B (en) | Solar-energy light collector | |
| CN204027041U (en) | Solar-energy light collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20140525 |