CN1167917C - Sunlight optical fibre illuminator - Google Patents
Sunlight optical fibre illuminator Download PDFInfo
- Publication number
- CN1167917C CN1167917C CNB011135298A CN01113529A CN1167917C CN 1167917 C CN1167917 C CN 1167917C CN B011135298 A CNB011135298 A CN B011135298A CN 01113529 A CN01113529 A CN 01113529A CN 1167917 C CN1167917 C CN 1167917C
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- CN
- China
- Prior art keywords
- daylighting
- auxilliary
- lighting device
- sunlight
- optical fibre
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Abstract
The present invention discloses a sunlight fiber light collecting illumination device which comprises a converging light collecting element, a mechanical drive device for driving the converging light collecting element to move, a light signal feedback processing circuit for controlling the mechanical drive device and a sunlight tracking sensor for transmitting a detection signal to the light signal feedback processing circuit, wherein the sensor is composed of a converging lens and a four-quadrant photovoltaic detector, and the converging lens is correspondingly fixed to the upper part of the photovoltaic detector through a supporting piece. The present invention ensure that a sensing device has high sensitivity, and the error action can not occur. Thereby, the working performance is stable and reliable, and the present invention lays the good foundation for developing a market.
Description
The present invention relates to a kind of solar light collection lighting device, especially a kind of sunlight collecting lighting device from the motion tracking sun belongs to application of solar.
Existing daylighting lighting device from the motion tracking sun has two big classes: a class is to calculate the open-loop tracking device of daylighting lighting device movement locus around the day operation rule according to the earth; Another kind of is real-time detection sun position over the ground, and the control lighting equipment is to the closed loop tracking means of day angle.The latter generally includes the optical signal feedback processing circuit of the optically focused daylighting element that is installed on the saddle, the mechanical driving device that drives the motion of optically focused daylighting element, control mechanical driving device, transmits the sensor of detectable signal to optical signal feedback processing circuit.Understand according to the applicant, back one class device is not subjected to the restriction in geographical position, tracking accuracy higher, therefore uses comparatively general.But therefore the sensor of this type of device exists the blind area unavoidably because sensor devices is resolution element, and reliability is relatively poor during work, misoperation easily.In addition, also there are weak points such as installation position is limited, complex structure in existing apparatus.
Primary and foremost purpose of the present invention is: the problem at above-mentioned existing " real-time detection " formula device exists owing to sensor is not ideal enough, a kind of not only tracking accuracy height is proposed, and the high sunlight optical fibre daylighting lighting device of reliability.
Further purpose of the present invention is: propose a kind ofly the sunshine that receives to be caused any required place thereby the unrestricted sunlight optical fibre daylighting of installation position lighting device.
Further purpose of the present invention is: keeping proposing a kind of simple and reasonable sunlight optical fibre daylighting lighting device under the constant prerequisite of original function.
In order to reach above-mentioned primary and foremost purpose, sunlight optical fibre daylighting lighting device of the present invention comprises the optical signal feedback processing circuit of the optically focused daylighting element that is installed on the saddle, the mechanical driving device that drives the motion of optically focused daylighting element, control mechanical driving device, transmits the sun light tracking sensor of detectable signal to optical signal feedback processing circuit, this sensor is made up of collector lens and four-quadrant photovoltaic detector, and collector lens passes through the support member relative fixed in the photovoltaic detector top.
When sunlight optical fibre daylighting lighting device of the present invention being placed among sunshine, sunshine passes through collector lens and converges on the four-quadrant photovoltaic detector, and this detector is understood the quadrant position of burnt hot spot to optical signal feedback processing circuit sending signal according to sunshine.After optical signal feedback processing circuit was told focal position, the control mechanical driving device drove the action of optically focused daylighting element, until optically focused daylighting element over against the sun---till the focused light spot of sunshine drops on the center position of four-quadrant photovoltaic detector.
Collector lens among the present invention makes the sunshine hot spot collection after focusing on be condensed to a bit, illumination improves greatly, therefore guaranteed that sensor has very high sensitivity, and the photosurface of photovoltaic detector is to be combined into whole four-quadrant thereby not have the blind area, can not produce misoperation.This shows that the present invention makes the sensitivity of whole device improve by the improvement of sun light tracking sensor, service behaviour is more stable, thereby has established good basis for exploiting market.
In order to reach further purpose, sunlight optical fibre daylighting lighting device of the present invention contains biography light optical fiber, and the input of this optical fiber is fixed near the focal spot of optically focused daylighting element, and output is fixed on required place.
In order to reach further purpose, the present invention has also carried out optimal design to mechanical driving device, makes that the free degree was bigger when this type of device was installed.Mechanical driving device after the improvement comprises mainshaft mechanism and auxilliary axis mechanism.Spindle motor in the mainshaft mechanism is connected with main shaft by decelerator.Auxilliary shaft stool and main shaft are connected, and are set with auxilliary axle worm screw in the main shaft, and auxilliary spindle motor is connected with auxilliary axle worm screw.Auxilliary axle is supported in the auxilliary shaft stool, and auxilliary axle worm gear is connected with auxilliary axle, and auxilliary axle is connected with saddle, and is space crossed with main shaft.Should auxilliary axle worm gear and the worm engaging of auxilliary axle.Optically focused daylighting element is installed on the saddle.Like this, mainshaft mechanism and auxilliary axis mechanism have constituted an organic compound motion body.When the controlled drive mainshaft mechanism of spindle motor is done between east and west when the angle is adjusted, auxilliary spindle motor can controlled drive be assisted the adjustment that axis mechanism be made the North and South direction elevation angle, thereby the automatic optically focused daylighting element of realizing being installed on the saddle is finished the motion adjustment of following the tracks of the required any space angle of the sun.Above-mentioned mechanical driving device mentality of designing is clear, reasonable, and structure is simple and direct, and technological feasibility is good, and working stability is reliable, thereby has further improved the complete machine performance.
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the overall structure schematic diagram of one embodiment of the invention.
Fig. 2 is the structural representation of Fig. 1 embodiment optically focused daylighting componentry.
Fig. 3 is the schematic diagram of Fig. 1 embodiment sun light tracking sensor part.
Fig. 4 is the mechanical driving device schematic diagram of Fig. 1 embodiment.
Sunlight optical fibre daylighting lighting device among Fig. 1 mainly by be installed in optically focused daylighting element A on the saddle, drive the optical signal feedback processing circuit (being positioned at control cabinet, not shown) of mechanical driving device B, the control mechanical driving device of optically focused daylighting element A motion, several parts of sun light tracking sensor D from detectable signal to optical signal feedback processing circuit that transmit form.The array that optically focused daylighting element A is made up of six lens constitutes.Each lens branch is listed in around the mechanical driving device, so compact conformation, good looking appearance.Its concrete structure as shown in Figure 2, upper end fixed lens A-1, this is fixed with the optical transmitter that shields above lens, as transparent plastic or glass.The input that passes light optical fiber A-2 is fixed in the bottom of optically focused daylighting element, and the heat insulation optical filter A-3 of heat-blocking action has been housed on this input.Heat insulation optical filter A-3 can select following three kinds of patterns: adopt infrared anti-backing 1.; 2. adopt infrared heat absorbing sheet; 3. adopt infrared anti-backing and infrared heat absorbing sheet combining structure.The output that passes light optical fiber A-2 can be fixed on various places as required.In order to produce soft light, this output has been equipped with the ground glass lamp holder A-4 of dispersion.
The concrete structure of sun light tracking sensor D mainly is made up of collector lens D-1 and four-quadrant photovoltaic detector D-2 as shown in Figure 3, and collector lens passes through support member D-3 relative fixed directly over photovoltaic detector D-2.
Mechanical driving device B comprises mainshaft mechanism and auxilliary axis mechanism as shown in Figure 4.Spindle motor B-1 in the mainshaft mechanism is connected with main shaft B-2 by decelerator.Auxilliary shaft stool B-3 and main shaft B-2 are connected, and are set with auxilliary axle worm screw B-4 in the main shaft B-2, and auxilliary spindle motor B-5 and auxilliary axle worm screw B-4 are connected.An auxilliary axle B-6 is supported among the auxilliary shaft stool B-3, be connected with auxilliary axle worm gear B-7 and saddle B-8, and with main shaft B-2 spatial vertical.Should auxilliary axle worm gear B-7 and auxilliary axle worm screw B-4 engagement.Optically focused daylighting element A is fixedly mounted on the saddle B-8.
When the sunlight optical fibre daylighting lighting device of present embodiment is installed, main shaft is North and South direction and places, auxilliary axle is east-west direction to be placed, and the position of sensor is set like this: the vertical center line Z on the sensitization plane that the X of photovoltaic detector, Y-axis constitute will with auxilliary axle in the mechanical driving device at an angle of 90.When the sunshine incident ray became a misalignment angle with the center line of optically focused daylighting element, the focused light spot of sensor collector lens must drop in a certain quadrant of photovoltaic detector.After optical signal feedback processing circuit receives the signal of telecommunication of this quadrant output, to drive corresponding motor, and drive optically focused daylighting element by mechanical driving device and rotate towards the direction that reduces this misalignment angle, incident ray until the sun is parallel with the center line of optically focused daylighting element, at this moment the focused light spot of sensor collector lens drops on the central point of photovoltaic detector just, there is not any transducing signal output, and the sunshine of direct projection will be by the lens of optically focused daylighting element, converge near the biography light optic fibre input end of its focal spot, pass light optical fiber by this again sunshine is sent to required place.
As seen find out that present embodiment is rational in infrastructure, following principle is clear and intuitive, and four-quadrant photovoltaic detector no signal blind area, and is therefore highly sensitive, good reliability.
Claims (9)
1. sunlight optical fibre daylighting lighting device, comprise the optically focused daylighting element that is installed on the saddle, drive the mechanical driving device of optically focused daylighting element motion, the optical signal feedback processing circuit of control mechanical driving device, transmit the sun light tracking sensor of detectable signal to optical signal feedback processing circuit, it is characterized in that: described sensor is made up of collector lens and four-quadrant photovoltaic detector, collector lens passes through the support member relative fixed in the photovoltaic detector top, described mechanical driving device comprises mainshaft mechanism and auxilliary axis mechanism, spindle motor in the described mainshaft mechanism is connected with main shaft by decelerator, auxilliary shaft stool and main shaft are connected, be set with auxilliary axle worm screw in the main shaft, auxilliary spindle motor output shaft is connected with auxilliary axle worm screw, auxilliary axle is supported in the auxilliary shaft stool, auxilliary axle worm gear is connected with auxilliary axle, described auxilliary axle is connected with saddle, and be space crossed with main shaft, described auxilliary axle worm gear and the worm engaging of auxilliary axle, optically focused daylighting element is installed on the saddle.
2. sunlight optical fibre daylighting lighting device according to claim 1 is characterized in that: described optically focused daylighting element is made of lens arra.
3. sunlight optical fibre daylighting lighting device according to claim 1 is characterized in that: the lens branch in the described optically focused daylighting element is listed in around the mechanical driving device.
4. sunlight optical fibre daylighting lighting device according to claim 1 is characterized in that: be fixed with transparent plastic or the glass that shields above the lens in the described optically focused daylighting element.
5. sunlight optical fibre daylighting lighting device according to claim 1 is characterized in that: also contain biography light optical fiber, the input of this optical fiber is fixed near the focal spot of optically focused daylighting element, and output is fixed on required place.
6. sunlight optical fibre daylighting lighting device according to claim 5 is characterized in that: the heat insulation optical filter that heat-blocking action has been housed on the input of described biography light optical fiber.
7. sunlight optical fibre daylighting lighting device according to claim 6 is characterized in that: described heat insulation optical filter is infrared anti-backing or infrared heat absorbing sheet.
8. sunlight optical fibre daylighting lighting device according to claim 6 is characterized in that: described heat insulation optical filter adopts infrared anti-backing and infrared heat absorbing sheet combining structure.
9. sunlight optical fibre daylighting lighting device according to claim 5 is characterized in that: the output of described biography light optical fiber has been equipped with the ground glass lamp holder of dispersion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011135298A CN1167917C (en) | 2001-04-16 | 2001-04-16 | Sunlight optical fibre illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011135298A CN1167917C (en) | 2001-04-16 | 2001-04-16 | Sunlight optical fibre illuminator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1367341A CN1367341A (en) | 2002-09-04 |
| CN1167917C true CN1167917C (en) | 2004-09-22 |
Family
ID=4660249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011135298A Expired - Fee Related CN1167917C (en) | 2001-04-16 | 2001-04-16 | Sunlight optical fibre illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1167917C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672452B (en) * | 2008-09-09 | 2015-05-20 | 南京帅瑞科技有限公司 | Light source gatherer |
| CN101726123B (en) * | 2008-10-20 | 2012-05-23 | 宏远有限公司 | Solar panel tracking device |
| CN101592309B (en) * | 2009-03-31 | 2011-07-13 | 上海友度科贸有限公司 | Sunlight lead-in daylighting device |
| CN102706005A (en) * | 2012-06-21 | 2012-10-03 | 镇江市博林光电科技有限公司 | Focusing point shift diffusion type solar tracking device |
| CN103277922A (en) * | 2013-06-13 | 2013-09-04 | 上海中科高等研究院 | Sunlight tracking sensor |
| CN104153504B (en) * | 2014-08-22 | 2016-08-31 | 孙磊 | curtain wall unit and curtain wall |
| CN106195912A (en) * | 2016-07-25 | 2016-12-07 | 汉舟四川环保科技有限公司 | A kind of photovoltaic energy storage is in the optical lighting system of one |
| CN110388758B (en) * | 2019-06-25 | 2021-01-15 | 江苏大学 | Sunlight condensing system based on bifocal Fresnel lens |
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2001
- 2001-04-16 CN CNB011135298A patent/CN1167917C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1367341A (en) | 2002-09-04 |
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Granted publication date: 20040922 Termination date: 20120416 |