CN1254820A - Simplified lighting equipment able to automatically track sun - Google Patents
Simplified lighting equipment able to automatically track sun Download PDFInfo
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- CN1254820A CN1254820A CN 99114530 CN99114530A CN1254820A CN 1254820 A CN1254820 A CN 1254820A CN 99114530 CN99114530 CN 99114530 CN 99114530 A CN99114530 A CN 99114530A CN 1254820 A CN1254820 A CN 1254820A
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- main shaft
- electric machine
- light
- optically focused
- lighting device
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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
A simplified light collecting equipment able to automatically track sun is composed of light gathering and collecting unit and its supporter, mechanical driver for said light gathering and collecting unit, optical signal feedback processing circuit for controlling said mechanical driver, and photosensitive detector to send signal to said feedback processing circuit. Said photosensitive detector consists of light-gathering element, 4 sets of photosensitive elements, optical fibres, internal sleeve and jacket. Its advantages are simple and compact structure, convenient regulation, high-track accuracy and low cost.
Description
The present invention relates to the harvester of sunshine, the especially a kind of lighting equipment that can follow the tracks of the sun belongs to technical field of solar utilization technique.
Sunshine is inexhaustible, nexhaustible lamp.Scientific research confirms that do not having under the situation of available light, people's operating efficiency can reduce greatly.Therefore, economical, gather sunshine effectively, be used for illumination work, life area, not only can energy savings, and be of value to people's health.In addition, the place of specific (special) requirements is arranged with the sun light lighting ammunition depot of gathering etc., both economical, safety again.
According to interrelated data consult and the Searches of Patent Literature as can be known, the light-sensitive detector that the existing lighting equipment of following the tracks of the sun transmits detectable signal by the optical signal feedback processing circuit of optically focused lighting device, the mechanical driving device that drives the motion of optically focused lighting device, control mechanical driving device, to optical signal feedback processing circuit is usually formed.The most structure of the light-sensitive detector of these existing lighting equipments is too simple, tracking accuracy is relatively poor, also some photodetector structure complexity, be worth expensive: the mechanical driving device operation is reliable inadequately, cost is higher, whole device is not suitable for China's national situation, therefore be difficult to suitability for industrialized production, can't apply in China at all.For example number of patent application is 95107312.5, the applying date be 95 year May 30 day, to be called " sunlight collecting apparatus and control the sunlight collecting control device of this sunlight collecting apparatus " promptly be like this.
The objective of the invention is to: at the ubiquitous problem of the lighting equipment of the above-mentioned existing tracking sun, propose a kind of lighting equipment of automatic tracking sun of simplification, this device should the tracking accuracy height, and is simple in structure, and economical rationality is convenient to promote.
In order to achieve the above object, the light-sensitive detector that the lighting equipment of the automatic tracking sun that the present invention simplifies transmits detectable signal by the optical signal feedback processing circuit of the mechanical driving device of optically focused lighting device and support thereof, the motion of driving optically focused lighting device, control mechanical driving device, to optical signal feedback processing circuit is formed, wherein light-sensitive detector makes an integral body, by a collective optics, four groups of light-sensitive elements, fibre-optic bundle and interior cover, overcoat are formed, in cover hypomere is unsettled is positioned in the middle of the overcoat, can in overcoat, freely adjust the position.The upper end of cover in collective optics is fixed in, four groups of light-sensitive elements are positioned at the cover lower end, with corresponding fibre-optic bundle output coupling, the fibre-optic bundle input is installed in four orientation and four orientation of interior cover upside of the focused light spot coverage rate of collective optics respectively respectively.By the direction position of cover in adjusting in the light-sensitive detector overcoat, make the focused light spot of collective optics fall within the center of hot spot coverage rate, this moment, the sun converging light of optically focused lighting device just in time focused on a daylighting receiving terminal on the lighting device optical axis.
This light-sensitive detector is separated with large and small scope light-sensitive detector in the past, detector directly adopts light-sensitive element each orientation received signal that distributes to compare on a large scale, not only large and small range detection device becomes an integral body makes structure become compact, and all adopt optical fiber as the sensitization sensing element, avoided each orientation that distributes of light-sensitive element on a large scale to be subjected to the interference of sunlight signal, improved tracking accuracy, a large amount of light-sensitive elements have been saved, thereby also make volume more small and exquisite, whole sniffer designs simplification, ingenious reasonable, easy to adjust.Concise owing to the mechanical driving device drive line simultaneously, thereby the motion link is simple and direct, easy to utilize.
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation of light-sensitive detector among Fig. 1.
Fig. 3 is the structural representation of the embodiment of the invention 1.
Fig. 4 is the partial top view of Fig. 3.
Fig. 5 is the structural representation of optically focused lighting device daylighting head among Fig. 1.
Fig. 6 is the optical signal feedback processing circuit diagram among Fig. 3 embodiment.
Fig. 7 is the assembling schematic diagram of the embodiment of the invention two.
Embodiment one
This embodiment concrete structure is as shown in figures 1 and 3: the 1st, and main shaft, the 2, the 3rd, dial plate, the 4th, the spring tension device, the 5th, auxilliary axle reversible electric machine, the 6th, bow-shaped support seat, the 7, the 8th, steel wire rope, the 9th, the bracket of lighting device, the 10th, auxilliary axle, the 11st, optically focused lighting device, the 12nd, main shaft reversible electric machine, the 13rd, underframe seat, 14, the 15th, assembly pulley, the 16, the 17th, spring.
The lighting equipment of the automatic tracking sun of simplifying among this embodiment is made up of the light-sensitive detector to optical signal feedback processing circuit transmission detectable signal shown in optically focused lighting device 11 and support 28 thereof, the mechanical driving device that drives the motion of optically focused lighting device and the optical signal feedback processing circuit shown in Fig. 6, Fig. 2.
Transmit the light-sensitive detector of detectable signal to optical signal feedback processing circuit and make an integral body, as shown in Figure 2, by 18, four light-sensitive element 19-22 of collector lens, four groups of fibre-optic bundles and inner metal sleeve 23, overcoat 24 are formed.The upper end of cover 23 in collector lens 18 is fixed in, four groups of light-sensitive element 19-22 are positioned at cover 23 lower ends, 23 times side external surfaces of inner metal sleeve have helicla flute 23-1, metal-coating 24 is equipped with two-layer screw 24-1, screw 24-1 props up in the helicla flute 23-1 of interior cover 23 downsides, and interior like this cover 23 can freely be adjusted the position in overcoat 24.The input of four groups of fibre-optic bundles respectively is divided into two, is respectively the large and small angular deviation signal that receives the relative optically focused lighting device of solar incident ray optical axis.Wherein an input receives the sunshine signal of direct irradiation at interior cover 23 upsides, four orientation in being installed in around cover 23 upsides, and the optical fiber in each orientation is divided into three groups of upper, middle and lower, and every group contains three optical cables; Another input receives the converging light signal of collector lens, arranges four orientation of hot spot coverage rate that are installed in collector lens.The output of four groups of fibre-optic bundles is coupled with the light-sensitive element 19-22 in corresponding four orientation respectively.Whole light-sensitive detector both can fuse with the daylighting head, was installed on the optical axis of optically focused lighting device (as shown in Figure 1), can be arranged separately in arbitrary orientation around the optically focused lighting device again, kept the central axis of light-sensitive detector parallel with optically focused lighting device optical axis.
The mechanical driving device of present embodiment as shown in Figure 3, wherein main shaft 1, main shaft reversible electric machine 12, main shaft reducing gear all are installed on the underframe seat 13, auxilliary axle 10 is connected with bracket 9, and it is hinged on bow-shaped support seat 6, bracket 9 is connected with optically focused lighting device 11, bow-shaped support seat 6 is connected with main shaft 1, and auxilliary axle reversible electric machine 5 is installed on the bow-shaped support seat 6, and reversible electric machine 12,5 is respectively by its reducing gear drive shaft 1, auxilliary axle 10.Auxilliary axle reducing gear is made up of group plate 3, assembly pulley 15, steel wire rope 8.Six pulleys of assembly pulley 15 are arranged installation along dialling plate 3, dialling plate 3 is connected with bracket 9, the steel wire rope 8 that is wrapped on the auxilliary spindle motor 5 output shaft axle sleeves is connected with optically focused lighting device 11 respectively along the pulley two ends, and reversible electric machine 5 makes optically focused lighting device 11 rotate around auxilliary axle 10 axis by steel wire rope 8 tractions.The main shaft reducing gear is made up of group plate 2, assembly pulley 14, steel wire rope 7, dialling plate 2 is connected with main shaft 1, each pulley of assembly pulley 14 arranges and installs along dialling plate 2, be wrapped in steel wire rope 7 on the main shaft reversible electric machine 12 output shaft axle sleeves along the pulley two ends respectively with dial plate 2 two ends be connected (referring to Fig. 4).Main shaft reversible electric machine 12 is dialled plate 2 by steel wire rope 7 tractions and is rotated around main shaft 1 axis, rotates thereby drive main shaft 1.In order to make steel wire rope be in tensioned state all the time, in main and auxiliary axle reducing gear, all be furnished with spring tension device and spring.Optically focused lighting device 11 also by the drive of auxilliary axle driving mechanism, thereby is made superimposed motion when auxilliary axle driving mechanism moves with main shaft 1.In addition, above-mentioned reducing gear also can be a kind of in gear, worm screw, planet, the harmonic speed reducer.
The structure of the daylighting head of the foregoing description optically focused lighting device 11 optical axis focusing place as shown in Figure 5, this daylighting head is by being fixed near the optically focused lighting device 11 optical axis focal positions insulating glass plate 11-1, having the polymer that amplifies tapered end face and pass fiber optics bundle 11-2 and form, and 28 is supports among this figure.
The optical signal feedback processing circuit that rotate in control optically focused lighting device East and West direction, north-south is made up of optical signal reception change-over circuit A, signal comparison amplifying circuit B, relay drive circuit C, motor-drive circuit D, limit circuit E as shown in Figure 6.With the East and West direction is example, and the core parts that optical signal receives change-over circuit A are two photodiode n1, n2, and its output links to each other with the input that signal compares amplifying circuit B.Different with the amplifying circuit of signal comparison in the past is, present embodiment adopts relatively amplifying circuit B of analog signal, this circuit mainly is made up of operational amplifier A 1, A2 and two triode N3, N4 of two parallel connections, and the output of this circuit is succeeded the input of electrical apparatus driving circuit C.The contact of each relay is arranged in motor-drive circuit D.Owing to adopted relatively amplifying circuit of analog signal, therefore the optical signal feedback processing circuit of present embodiment is guaranteeing under the constant situation of control performance, more terse than in the past, thus the lighting equipment manufacturing cost that reduces automatic tracking sun is also had positive effect.
When the lighting equipment of present embodiment automatic tracking sun was installed, main shaft 1 was vertical placement.Sunshine reflexes near the daylighting head that is positioned at its focus through optically focused lighting device 11, and transferring to through fibre-optic bundle 11-2 needs illumination place again.When the wide-angle deviation appears in the optical axis of solar incident ray and optically focused lighting device 11, the focused light spot of the collector lens 18 of light-sensitive detector drops on outside the fibre bundle input investigative range of surveying the low-angle deviation, in the case, be subjected to sun direct irradiation, at least one orientation, the fibre bundle input of the detection wide-angle deviation in maximum two orientation must receive signal, be among the optical signal reception change-over circuit A one to two photodiode sensitization always to be arranged, and then through spindle motor 12 in the optical signal feedback processing circuit controling drawing 3 or 5 rotations of auxilliary spindle motor, and by 11 rotations of mechanical driving device drive optically focused lighting device, the optical axis deviation angle of adopting device 11 up to sunshine and optically focused reduces, the focused light spot of collector lens 18 enters in the fibre bundle input investigative range of surveying the low-angle deviation, this moment, optical signal feedback processing circuit continued the mechanical actuator movement of control according to the hot spot signal in the input zone, up to the optical axis of optically focused lighting device with till sunray is parallel, thereby realize sunshine automatically, accurate tracking is gathered.Embodiment two
Present embodiment is compared with embodiment one as shown in Figure 7, and its main distinction is the reducing gear difference.This reducing gear mainly is made up of main shaft worm gear 24 ' and worm screw 25 ', auxilliary axle worm gear 26 ' and worm screw 27 '.Main shaft 1 is driven by main shaft worm gear 24 ' and worm screw 25 ' by main shaft reversible electric machine 12 (not shown)s.The auxilliary axle driving mechanism that comprises auxilliary axle reversible electric machine 5, auxilliary axle worm gear 26 ' and worm screw 27 ' all is installed on the bow-shaped support 6, auxilliary axle driving mechanism is when rotating with main shaft 1, and auxilliary axle reversible electric machine 5 drives auxilliary axle 10 by auxilliary axle worm gear 26 ' and worm screw 27 ' and rotates.For increasing the stability of lighting device motion, counterweight spring 29 ' is housed on lighting device in addition.
Except the foregoing description, the present invention also has many other embodiments, and the mechanical driving device that for example drives the motion of optically focused lighting device is not positioned under the optically focused lighting device, but is positioned at a side of optically focused lighting device; Whole device is not to be vertical to lay, and lays and be horizontal, and promptly main shaft 1 is the level of state, or the like.The technical scheme that this class is equal to replacement or equivalent transformation formation is protection scope of the present invention.
Claims (6)
1. the lighting equipment of the automatic tracking sun of a simplification, by optically focused lighting device (11) and support (28) thereof, drive the mechanical driving device of optically focused lighting device motion, the optical signal feedback processing circuit of control mechanical driving device, transmit the light-sensitive detector of detectable signal forms to optical signal feedback processing circuit, it is characterized in that: described light-sensitive detector is made an integral body, by collective optics (18), four groups of light-sensitive elements (19-22), fibre-optic bundle and interior cover (23), overcoat (24) constitutes, cover (23) hypomere is unsettled in described is positioned in the middle of the overcoat (24), its position can freely be adjusted in overcoat (24), described collective optics (18) is fixed in the upper end of interior cover (23), described four groups of light-sensitive elements (19-22) are positioned at cover (23) lower end, with corresponding fibre-optic bundle output coupling, described fibre-optic bundle input can be installed in four orientation and four orientation of interior cover (23) upside of the focused light spot coverage rate of collective optics (18) respectively respectively.
2. the lighting equipment of the automatic tracking sun of a simplification as claimed in claim 1, it is characterized in that: described mechanical driving device contains mainshaft mechanism and auxilliary axis mechanism, described mainshaft mechanism is by main shaft (1), main shaft reversible electric machine (12), the main shaft reducing gear is formed, described auxilliary axis mechanism is by auxilliary axle (10), auxilliary axle reversible electric machine (5), auxilliary axle reducing gear is formed, described main shaft (1), main shaft reversible electric machine (12), the main shaft reducing gear all is installed on the underframe seat (13), described auxilliary axle reversible electric machine (5), auxilliary axle reducing gear all is installed on the bow-shaped support seat (6), described auxilliary axle (10) is connected with bracket (9), and it is hinged on bow-shaped support seat (6), bracket (9) is connected with optically focused lighting device (11), bow-shaped support seat (6) is connected with main shaft (1), two reversible motors (12,5) are respectively by its reducing gear drive shaft (1), auxilliary axle (10).
3. the lighting equipment of the automatic tracking sun of a simplification as claimed in claim 2, it is characterized in that: described reducing gear is dialled plate (2 by two covers, 3), assembly pulley (14,15), steel wire rope (7,8) form, assembly pulley (14,15) pulley is along dialling plate (2,3) arrange installation, wherein a cover group plate (3) is connected with bracket (9), another set of group of plate (2) is connected with main shaft (1), the steel wire rope (7) that is wrapped on main shaft reversible electric machine (12) the output shaft axle sleeve is connected with group plate (2) respectively along the pulley two ends, the steel wire rope (8) that is wrapped on auxilliary axle reversible electric machine (5) the output shaft axle sleeve is connected with optically focused lighting device (11) respectively along the pulley two ends, main shaft reversible electric machine (12) is dialled plate (2) by steel wire rope (7) traction, and auxilliary axle reversible electric machine (5) is by steel wire rope (8) traction optically focused lighting device (11).
4. the lighting equipment of the automatic tracking sun of a simplification as claimed in claim 2, it is characterized in that: described reducing gear is a kind of in gear, worm screw, planet, the harmonic speed reducer.
5. the lighting equipment of the automatic tracking sun of a simplification as claimed in claim 1 is characterized in that: be fixed with by insulating glass plate (11-1) near the optical axis focal position of described optically focused lighting device (11), have the daylighting head that the polymer optical fiber bundle (11-2) of the tapered end face of amplification is formed.
6. the lighting equipment of the automatic tracking sun of a simplification as claimed in claim 1, it is characterized in that: described optical signal feedback processing circuit receives change-over circuit (A) by optical signal, analog signal is amplifying circuit (B) relatively, relay drive circuit (C), motor-drive circuit (D), limit circuit (E) is formed, wherein the output of optical signal reception change-over circuit (A) links to each other with the input that analog signal compares amplifying circuit (B), the output of analog signal comparison amplifying circuit (B) is succeeded the input of electrical apparatus driving circuit (C), and the contact of each relay is arranged in motor-drive circuit (D).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114530 CN1092321C (en) | 1999-11-05 | 1999-11-05 | Simplified lighting equipment able to automatically track sun |
| AU31429/00A AU3142900A (en) | 1999-05-19 | 2000-03-10 | Solar tracing sensor and application thereof in solar auto-tracing device |
| PCT/CN2000/000049 WO2000071942A1 (en) | 1999-05-19 | 2000-03-10 | Solar tracing sensor and application thereof in solar auto-tracing device |
| US09/570,643 US6465766B1 (en) | 1999-05-19 | 2000-05-15 | Sunlight tracking sensor and its use in full-automatic solar tracking and collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99114530 CN1092321C (en) | 1999-11-05 | 1999-11-05 | Simplified lighting equipment able to automatically track sun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1254820A true CN1254820A (en) | 2000-05-31 |
| CN1092321C CN1092321C (en) | 2002-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99114530 Expired - Fee Related CN1092321C (en) | 1999-05-19 | 1999-11-05 | Simplified lighting equipment able to automatically track sun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1092321C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062937A (en) * | 2010-11-19 | 2011-05-18 | 李忠孝 | Solar energy converging method and application thereof in heating and illumination |
| CN102073321A (en) * | 2009-11-24 | 2011-05-25 | 张玉良 | Line drive type linkage light ray tracing method and reflective concentration photovoltaic power generation thereof |
| CN102915041A (en) * | 2012-10-29 | 2013-02-06 | 苏州爱康金属科技有限公司 | High-precision double-shaft solar tracking system and tracking method thereof |
| CN104702199A (en) * | 2013-12-09 | 2015-06-10 | 王立军 | Sun-tracking condensing generating set |
| CN104748056A (en) * | 2015-04-01 | 2015-07-01 | 苏州承乐电子科技有限公司 | Automatic lighting and illuminating device |
| CN105408700A (en) * | 2013-07-23 | 2016-03-16 | 保罗·嘉维斯 | Structure of concentrator mirror for concentrating solar energy |
| CN105509346A (en) * | 2015-12-28 | 2016-04-20 | 中海阳能源集团股份有限公司 | Offset correction system and correction method for tower-type heliostat |
| CN106247642A (en) * | 2016-08-16 | 2016-12-21 | 江苏绿扬光伏科技有限公司 | Floated antidetonation solar tracker assembly |
-
1999
- 1999-11-05 CN CN 99114530 patent/CN1092321C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073321A (en) * | 2009-11-24 | 2011-05-25 | 张玉良 | Line drive type linkage light ray tracing method and reflective concentration photovoltaic power generation thereof |
| CN102062937A (en) * | 2010-11-19 | 2011-05-18 | 李忠孝 | Solar energy converging method and application thereof in heating and illumination |
| CN102915041A (en) * | 2012-10-29 | 2013-02-06 | 苏州爱康金属科技有限公司 | High-precision double-shaft solar tracking system and tracking method thereof |
| CN102915041B (en) * | 2012-10-29 | 2015-08-26 | 苏州爱康金属科技有限公司 | A kind of tracking of high-precision dual-axis solar tracking system |
| CN105408700A (en) * | 2013-07-23 | 2016-03-16 | 保罗·嘉维斯 | Structure of concentrator mirror for concentrating solar energy |
| CN105408700B (en) * | 2013-07-23 | 2018-12-14 | 保罗·嘉维斯 | For gathering the optical collector structure of solar energy |
| CN104702199A (en) * | 2013-12-09 | 2015-06-10 | 王立军 | Sun-tracking condensing generating set |
| CN104748056A (en) * | 2015-04-01 | 2015-07-01 | 苏州承乐电子科技有限公司 | Automatic lighting and illuminating device |
| CN105509346A (en) * | 2015-12-28 | 2016-04-20 | 中海阳能源集团股份有限公司 | Offset correction system and correction method for tower-type heliostat |
| CN106247642A (en) * | 2016-08-16 | 2016-12-21 | 江苏绿扬光伏科技有限公司 | Floated antidetonation solar tracker assembly |
| CN106247642B (en) * | 2016-08-16 | 2018-03-16 | 苏州酉立精工科技有限公司 | Floated antidetonation solar-tracking device assembly |
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| Publication number | Publication date |
|---|---|
| CN1092321C (en) | 2002-10-09 |
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