CN1135340C - Sunlight tracking sensor and its solar rangh appliance - Google Patents
Sunlight tracking sensor and its solar rangh appliance Download PDFInfo
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- CN1135340C CN1135340C CNB001122045A CN00112204A CN1135340C CN 1135340 C CN1135340 C CN 1135340C CN B001122045 A CNB001122045 A CN B001122045A CN 00112204 A CN00112204 A CN 00112204A CN 1135340 C CN1135340 C CN 1135340C
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- photovoltaic detector
- tracking sensor
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- light barrier
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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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
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Abstract
The present invention discloses a sunlight tracking sensor and a solar range appliance thereof. The sunlight tracking sensor comprises a light signal receiver and four groups of signal output ends, wherein the light signal receiver is composed of a four-quadrant photovoltaic detector and light barriers; the crossed light barriers are vertically arranged on the four-quadrant sensitive surfaces of the photovoltaic detector, and the crossed line is basically superposed with a central axle of the photovoltaic detector; each four-quadrant photosensitive surface of the photovoltaic detector respectively leads a group of signal output ends out. The solar range appliance comprises the sunlight tracking sensor, an optical system composed of a main mirror, an auxiliary mirror and a plane reflecting mirror, a mechanical driving device and a light signal feedback processing circuit. The present invention has the advantages of simple structure, economic cost, high tracking precision, skillful design and largely improved practicality, and has a good popularization prospect.
Description
The present invention relates to sunshine and utilize technical field, be specifically related to a kind of sun light tracking sensor, and adopt the solar rangh appliance of this sensor from the motion tracking sun.
Solar energy is the inexhaustible natural energy source of nature, and the mankind develop various solar heat use devices so far, and solar cooker is exactly an example wherein.China is a large amount of at present simple and crude in the solar cooker structure of usefulness according to investigations, does not have tracking means, needs manually to adjust frequently direction in the use, and is very inconvenient.In order efficiently to utilize solar heat, make solar rangh appliance follow the tracks of the apparent motion of the sun, aim at solar incident ray all the time, the sun light tracking sensor of various different operating principles arises at the historic moment.For example, the patent No. discloses a kind of like this sensor for the Japan Patent that the spy opens flat 7-43599 number, is called " sun light tracking sensor ": have the optical fiber that one or more has light-absorption layer on the whole sensitive surface of this sensor, in solar collector, be provided with one opaque simplified, simplified upper end has central authorities to be that the opaque ring cover in hole, the sensor be located on this cylindrical shell lower end and the symmetric position that the ring cowling internal diameter equates.This sensor photosensitive face only is several luminous points that are subjected to, rather than comprehensive sensitive surface, will inevitably exist and be subjected to the light blind area, can not be comprehensive, complete, accurately sunshine is surveyed, therefore be difficult to make harvester comprehensive to sun light tracking control, influence is to effective collection utilization of sunshine.
The problem that exists in defective that exists at above prior art and the practical application the objective of the invention is to propose sun light tracking sensor a kind of simple in structure, economical and practical; And provide a kind of solar rangh appliance that adopts this sensor on this basis.By adopting sensor of the present invention, guarantee the efficient tracking collection of solar rangh appliance of the present utility model to sunshine.
In order to achieve the above object, sun light tracking sensor of the present invention comprises optical signal receiver and four groups of signal output parts that are connected the feedback processing circuit respectively, optical signal receiver is made up of the light barrier of four-quadrant photosurface photovoltaic detector, two sets intersect, wherein the light barrier of two sets intersect is placed on the four-quadrant photosurface of photovoltaic detector, the intersection of two sets intersect light barrier overlaps substantially with the central shaft (z axle) of four-quadrant photosurface photovoltaic detector, and the four-quadrant photosurface of photovoltaic detector is respectively drawn one group of signal output part.
When sunray and sensor z axis are an angle, the a certain quadrant of photovoltaic detector is subjected to a part of sunlight direct irradiation, and another quadrant of relative direction can only receive scattered light owing to be subjected to blocking of light barrier, the output signal of result's two quadrants produces difference, after relatively amplifying processing, the feedback processing circuit just can control tracking means, the optical signal that sunray is parallel with sensor Z axle, the photovoltaic detector all quadrants is subjected to is equated, thereby reach the purpose of following the tracks of the sun.
Solar rangh appliance provided by the invention comprises the optical system that primary mirror, secondary mirror, plane mirror are formed, and drives the mechanical driving device of this optical system, optical signal feedback processing circuit.Wherein mechanical driving device comprises mainshaft mechanism and auxilliary axis mechanism and primary mirror, plane mirror linkage driving mechanism, in addition, comprise that also signal output part connects the sun light tracking sensor of optical signal feedback processing circuit, this sun light tracking sensor comprises optical signal receiver and four groups of signal output parts that are connected the feedback processing circuit respectively, optical signal receiver is by four-quadrant photosurface photovoltaic detector, the light barrier of two sets intersect is formed, wherein the light barrier of two sets intersect is placed on the four-quadrant photosurface of photovoltaic detector, the intersection of two sets intersect light barrier overlaps substantially with the central shaft (z axle) of four-quadrant photosurface photovoltaic detector, this center line (z axle) is parallel with major-minor mirror central axis, and the four-quadrant photosurface of photovoltaic detector is respectively drawn one group of signal output part.Described auxilliary axis mechanism is mainly by parallelogram two diagonal connecting rods, reversible electric machine (containing decelerator), overcoat, feed screw nut's elevating mechanism, the nut extension board, auxilliary axle, carriage, primary mirror back of the body seat board is formed, put outward and have kidney slot, feed screw nut's elevating mechanism wherein is housed, nut in this mechanism is connected with the nut extension board that stretches out from kidney slot, two connecting rod centers connect by rotational pin, one end of primary mirror back of the body seat board and first connecting rod all is connected with auxilliary axle, the plane mirror rotating shaft is hinged in this connecting rod lower end, auxilliary axle is hinged on carriage, carriage and overcoat are connected, second connecting rod one end is connected with rotational pin with the nut extension board, and the other end hangs kitchen range pot body.When solar irradiation is mapped to a certain quadrant photosurface of four-quadrant photocell, this photosurface changes into the signal of telecommunication with the optical signal that receives and is delivered to the processing of comparison amplifying circuit, thereby drive corresponding driven by motor main shaft or auxilliary axle rotation, parallel until solar incident ray with the Z axle, this moment, primary mirror was over against the sun, thereby realized the highly effective gathering of solar heat.
Solar rangh appliance of the present invention has two big advantages: (1) sun light tracking sensor is simple in structure, does not have the dead band, and tracking accuracy is higher; (2) because two opposite side keeping parallelisms during the diagonal of a parallelogram variable angle that two connecting rods are formed, thus adopt the auxilliary axis mechanism of this principle can not only realize that primary mirror rotates around auxilliary axis, the adjustment inclination angle; Simultaneously also well solved kitchen range pot body, and the bottom of a pan remains level with the primary mirror rotational problems.Whole solar rangh appliance can make people's manipulation strength reduce greatly, and operating environment is improved greatly, and practicality obviously improves.
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is the embodiment of the invention one a sensor construction schematic diagram.
Fig. 2 is the embodiment of the invention two sensor construction schematic diagrames.
Fig. 3 is the solar rangh appliance structural representation that adopts sensor of the present invention.
Embodiment one
Among Fig. 1, the 1st, the base of photovoltaic detector is housed, the 2nd, light barrier, the 3rd, shell, n1, n2, n3, n4 all are photocells of four-quadrant photosurface photovoltaic detector.Optical signal receiver in the present embodiment sensor is fixed on the base 1, four-quadrant photosurface photovoltaic detector essence wherein is that the four-quadrant photocell that a diameter is 25mm (is not limited thereto during actual enforcement, other four-quadrant photoarray also can), it is 90 ° of angles by the photocell of four parameter basically identicals and is symmetrically distributed and forms, a photosurface is present in a quadrant, and the Z axle is this photronic central axis.The light barrier 2 of two sets intersect is 90 ° and intersects and along the quadrant line of demarcation vertically-arranged of four-quadrant photocell, its intersection and four-quadrant photosurface photovoltaic detector central shaft---the z axle overlaps, the surface of light barrier 2 paste the aluminium reflective membrane (edge paste thin glass lens, polishing substrate or apply reflecting coating also can).The four-quadrant photosurface of photovoltaic detector is respectively drawn one group of signal output part, connects the feedback processing circuit respectively.Whole sensor adopts lucite shell 3 encapsulation of higher light transmittance.
In the use, when sunray and sensor z axis are an angle, for example sunray projection and+X, + Y direction all is 45 ° of angles, this moment, the photocell n1 of first quartile not only was subjected to a part of sunlight direct irradiation, but also be subjected to the irradiation of sunlight of another part after the reflecting surface reflection of light barrier 2, the photocell n2 of relative direction can only receive scattered light owing to be subjected to blocking of light barrier 2, obviously the output signal of n1 is greater than the output signal of n2, n3, the sunshine signal that n4 receives equates, the output signal of photovoltaic detector is after the feedback processing circuit relatively amplifies processing, driving corresponding motor drive primary mirror turns round until n1 to respective direction, the optical signal that n2 receives equates, this moment, light barrier did not stay any shade on photovoltaic detector, sunray and sensor axis angle are 0 °, primary mirror is over against the sun, thereby reaches the tracking purpose.In like manner, if the angle of sunray projection and positive X-axis is between 0 ° to 45 °, then n1 not only is subjected to a part of sunlight direct irradiation, but also be subjected to the irradiation of sunlight of another part after the reflection of light barrier reflecting surface, and n2 can only receive the diffusion light of the sun signal owing to light barrier blocks, so the output signal of n1 is greater than the output signal of n2; Equally, n4 is subjected to sunshine direct projection area to be subjected to sunshine direct projection area much larger than n3, the output signal of n4 is greater than the output signal of n3, signal relatively amplifies two motors of processing rear drive through the feedback processing circuit and turns round to respective direction, equate respectively with the optical signal that n2, n3 and n4 receive until n1, this moment, light barrier did not stay any shade on photovoltaic detector, and primary mirror is over against the sun, thereby reaches the tracking purpose.
Embodiment two
The difference of this embodiment and embodiment one maximum is that the quadrant distributing line of light barrier and the four-quadrant photocell 45 that staggers places, and as shown in Figure 2, each photosurface is by the light barrier separated into two parts.When the angle of sunray projection and positive X-axis at 0 ° between 45 ° the time, the photocell n1 of first quartile not only is subjected to the sunlight direct irradiation, but also be subjected to the catoptrical irradiation of light barrier, then because the partial occlusion that is subjected to light barrier receives scattered light and direct light seldom, the output signal of obvious n1 is greater than the output signal of n2 for the photocell n2 of relative direction; Equally, n4 is subjected to sunshine direct projection area to be subjected to sunshine direct projection area greater than n3, the output signal of n4 is greater than the output signal of n3, the output signal of photovoltaic detector is after the feedback processing circuit relatively amplifies processing, drive corresponding motor drive primary mirror and equate that with the optical signal that n4 receives light barrier does not stay any shade with n2, n3 respectively on photovoltaic detector up to n1 to the respective direction running, this moment, sunray and sensor z axis angle were 0 °, primary mirror reaches the tracking purpose over against the sun.
In like manner, when sunray projection and positive x axle, during positive y axle angle all at 45, the photocell n1 of first quartile not only is subjected to the sunlight direct irradiation, but also be subjected to the catoptrical irradiation of light barrier, the photocell n2 of relative direction can only receive scattered light owing to be subjected to blocking of light barrier, obviously the output signal of n1 is greater than the output signal of n2, n3, the sunshine signal that n4 receives equates, the output signal of photovoltaic detector is after the feedback processing circuit relatively amplifies processing, driving corresponding motor drive primary mirror turns round until n1 to respective direction, the optical signal that n2 receives equates, this moment, light barrier did not stay any shade on photovoltaic detector, sunray and sensor axis angle are 0 °, primary mirror reaches the tracking purpose over against the sun.
Embodiment three
This enforcement be a kind of utilize sensor of the present invention from the motion tracking solar rangh appliance, this apparatus structure is as shown in Figure 3.Its part comprises the optical system that primary mirror 1, secondary mirror 2, plane mirror 3 are formed, and drives the mechanical driving device of this optical system, sun light tracking sensor 4, optical signal feedback processing circuit.Wherein mechanical driving device comprises mainshaft mechanism, auxilliary axis mechanism, primary mirror and plane mirror linkage driving mechanism, and mainshaft mechanism is made up of spindle motor (containing decelerator) 5, main shaft 6, bottom bracket 7, and main shaft 6 rotates around main shaft 6 axis under spindle motor 5 drives; Auxilliary axis mechanism by auxilliary spindle motor (containing decelerator) 8, overcoat 9, screw mandrel 10, nut 11, nut extension board 21, etc. long connecting rod 12 and 13, auxilliary axle 14, carriage 15, primary mirror carry on the back seat board 16 etc. and form.Have kidney slot on the overcoat 9, the elevating mechanism of screw mandrel 10, nut 11 compositions wherein is housed, nut 11 is connected with the nut extension board 21 that stretches out from kidney slot in this mechanism.Formation parallelogram two cornerwise connecting rods 12 are connected by rotational pin 17 with 13 centers, and an end of primary mirror back of the body seat board 16 and connecting rod 12 is fixed on auxilliary axle 14 simultaneously, and auxilliary 14 hinged on carriage 15, and carriage 15 is connected with the upper end of overcoat 9.Connecting rod 13 1 ends and nut extension board 21 are connected with rotational pin, and the other end hangs kitchen range pot body.When the screw mandrel 10 of nut 11 in overcoat 9 moved up and down, drivening rod mechanism made primary mirror 1 rotate around auxilliary axle 14 axis.The linkage driving mechanism of primary mirror 1, plane mirror 3 is by large drive wheel 19, brief biography driving wheel 18, plane mirror rotating shaft 20 compositions such as grade, large drive wheel 19 is connected with plane mirror rotating shaft 20, brief biography driving wheel 18 is connected with carriage 15, and be placed on the auxilliary axle 14, plane mirror rotating shaft 20 is hinged in connecting rod 12 lower ends, and the ratio of big or small drive radius is 2: 1, and both connect by chain or synchronous cog belt.When plane mirror rotating shaft 20 during around auxilliary axle 14 axis revolution, its rotation angle is 1/2 of an auxilliary axle revolution angle.Whole auxilliary axis mechanism is connected by overcoat 9 and main shaft 6 upper ends, and main shaft 6 is contained within the bottom bracket 7 through bearing or axle sleeve.Spindle motor 5 is fixed in bottom bracket 7 times, and spindle motor rotating shaft and main shaft 6 lower ends are connected.Like this, auxilliary axis mechanism is adjusted the day elevation angle, and because linkage driving mechanism rotates, finally make triple reflection light fall within place, the bottom of a pan all the time adjusting primary mirror with the mainshaft mechanism rotation to day during the azimuth on one side.
During use, major-minor mirror central axis should be parallel with sensor Z axle, promptly as shown in Figure 3 sensor is installed on the central axis of secondary mirror, according to above and in conjunction with Fig. 3, is not difficult to find out its course of work and advantage, therefore do not sew in addition and state.Except that above embodiment, the present invention also has many other embodiments.The technical scheme that all employings are equal to replacement or equivalent transformation formation all drops in protection scope of the present invention.
Claims (8)
1. sun light tracking sensor, comprise optical signal receiver and four groups of signal output parts that are connected the feedback processing circuit respectively, it is characterized in that: described optical signal receiver is made up of the light barrier of four-quadrant photosurface photovoltaic detector, two sets intersect, wherein the light barrier of two sets intersect is placed on the four-quadrant photosurface of photovoltaic detector, the intersection of two sets intersect light barrier overlaps substantially with the central shaft of four-quadrant photosurface photovoltaic detector, and the four-quadrant photosurface of described photovoltaic detector is respectively drawn one group of signal output part.
2. sun light tracking sensor as claimed in claim 1, it is characterized in that: described light barrier surface is covered with reflection layer.
3. sun light tracking sensor as claimed in claim 2 is characterized in that: described reflection layer for paste the reflective aluminum film, edge pastes the reflecting coating of thin glass lens, polishing substrate or coating.
4. a sun light tracking sensor as claimed in claim 1 is characterized in that: the encapsulation of whole employing higher light transmittance shell.
5. sun light tracking sensor as claimed in claim 1, it is characterized in that: described photovoltaic detector is four-quadrant photocell or other four-quadrant photoarrays.
6. solar rangh appliance, comprise primary mirror, secondary mirror, the optical system that plane mirror is formed, drive the mechanical driving device of this optical system, optical signal feedback processing circuit, described mechanical driving device comprises mainshaft mechanism, be installed in auxilliary axis mechanism and primary mirror on the mainshaft mechanism, plane mirror linkage driving mechanism, it is characterized in that: comprise that also signal output part connects the sun light tracking sensor of optical signal feedback processing circuit, the optical signal receiver of described sun light tracking sensor is by four-quadrant photosurface photovoltaic detector, the light barrier of two sets intersect is formed, wherein the light barrier of two sets intersect is placed on the four-quadrant photosurface of photovoltaic detector, the intersection of two sets intersect light barrier overlaps substantially with the central shaft of four-quadrant photosurface photovoltaic detector, this center line is parallel with major-minor mirror central axis, and the four-quadrant photosurface of described photovoltaic detector is respectively drawn one group of signal output part.
7. solar rangh appliance as claimed in claim 6, it is characterized in that: described auxilliary axis mechanism is mainly by parallelogram two diagonal connecting rods, reversible electric machine, overcoat, feed screw nut's elevating mechanism, the nut extension board, auxilliary axle, carriage, primary mirror back of the body seat board is formed, put outward and have kidney slot, feed screw nut's elevating mechanism wherein is housed, nut in this mechanism is connected with the nut extension board that stretches out from kidney slot, two connecting rod centers connect by rotational pin, one end of primary mirror back of the body seat board and first connecting rod all is connected with auxilliary axle, the plane mirror rotating shaft is hinged in this connecting rod other end, auxilliary axle is hinged on carriage, carriage and overcoat are connected, second connecting rod one end is connected with rotational pin with the nut extension board, and the other end hangs kitchen range pot body.
8. solar rangh appliance as claimed in claim 6, it is characterized in that: described primary mirror, plane mirror linkage driving mechanism are mainly by large drive wheel, little drive, the plane mirror rotating shaft is formed, large drive wheel and plane mirror rotating shaft are connected, little drive and carriage are connected, and are placed on the auxilliary axle, and the plane mirror rotating shaft is hinged in first connecting rod lower end, the ratio of large and small drive radius is 2: 1, and both connect by chain or synchronous cog belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001122045A CN1135340C (en) | 2000-04-13 | 2000-04-13 | Sunlight tracking sensor and its solar rangh appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001122045A CN1135340C (en) | 2000-04-13 | 2000-04-13 | Sunlight tracking sensor and its solar rangh appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1317676A CN1317676A (en) | 2001-10-17 |
| CN1135340C true CN1135340C (en) | 2004-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB001122045A Expired - Fee Related CN1135340C (en) | 2000-04-13 | 2000-04-13 | Sunlight tracking sensor and its solar rangh appliance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462698C (en) * | 2005-04-30 | 2009-02-18 | 中国科学院长春光学精密机械与物理研究所 | Sun tracking device applied for high-altitude balloon experiment |
| TWI408346B (en) * | 2010-05-10 | 2013-09-11 | Univ Nat Formosa | Incident solar power detecting method, apparatus and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291124B (en) * | 2007-11-16 | 2010-12-01 | 中国科学院电工研究所 | Photovoltaic sensor tracing angle of light |
| CN101588147B (en) * | 2008-05-20 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Solar energy collecting system |
| CN100578413C (en) * | 2008-06-16 | 2010-01-06 | 程林刚 | Solar light three-dimensional tracing sensor |
| CN100573390C (en) * | 2008-07-16 | 2009-12-23 | 南京航空航天大学 | Full-automatic high precision sun tracking means and tracking thereof based on PSD |
| CN101561684B (en) * | 2009-03-19 | 2011-08-17 | 浙江海辰空间新能源有限公司 | Photovoltaic power generation tingri automatic tracking control system |
| CN102841610A (en) * | 2012-07-02 | 2012-12-26 | 国电光伏(江苏)有限公司 | Sun-patrolling sensing control device based on solar panel and neural network |
| CN103268123B (en) * | 2013-06-13 | 2016-05-11 | 国网河南省电力公司商丘供电公司 | A kind of solar energy collecting conveyer that can automatic sun-tracking |
| CN103885462B (en) * | 2014-01-07 | 2016-08-31 | 武汉凹伟能源科技有限公司 | A kind of single-axis solar tracking sensing device |
| CN110247621A (en) * | 2019-07-04 | 2019-09-17 | 四川恒匀通科技有限公司 | A kind of photovoltaic devices for following solar direction persistently to generate electricity |
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2000
- 2000-04-13 CN CNB001122045A patent/CN1135340C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462698C (en) * | 2005-04-30 | 2009-02-18 | 中国科学院长春光学精密机械与物理研究所 | Sun tracking device applied for high-altitude balloon experiment |
| TWI408346B (en) * | 2010-05-10 | 2013-09-11 | Univ Nat Formosa | Incident solar power detecting method, apparatus and application thereof |
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| Publication number | Publication date |
|---|---|
| CN1317676A (en) | 2001-10-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 13 of the detailed rules for the implementation of the patent law: 112204.5 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 219971.8 utility model patent to be given up, and in the 20 volume of the 3 issue of the new type of communique on the patent right to abandon the announcement. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |