CN2426597Y - Sunlight following sensor - Google Patents
Sunlight following sensor Download PDFInfo
- Publication number
- CN2426597Y CN2426597Y CN00219971U CN00219971U CN2426597Y CN 2426597 Y CN2426597 Y CN 2426597Y CN 00219971 U CN00219971 U CN 00219971U CN 00219971 U CN00219971 U CN 00219971U CN 2426597 Y CN2426597 Y CN 2426597Y
- Authority
- CN
- China
- Prior art keywords
- quadrant
- photovoltaic detector
- light
- tracking sensor
- light barrier
- 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.)
- Expired - Lifetime
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- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 241001424688 Enceliopsis Species 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0266—Field-of-view determination; Aiming or pointing of a photometer; Adjusting alignment; Encoding angular position; Size of the measurement area; Position tracking; Photodetection involving different fields of view for a single detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light
Abstract
The utility model discloses a sunlight tracking sensor, which 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 intersecting light barriers are vertically arranged on four-quadrant photosurfaces of the photovoltaic detector, and intersecting lines are coincident with a central axis of the photovoltaic detector; each four-quadrant photosurface of the photovoltaic detector sends out a set of signal output end. The utility model has the advantage of simple structure, higher tracking precision, and artful design concept.
Description
The utility model relates to sunshine and utilizes technical field, is specifically related to a kind of sun light tracking sensor.
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 an opaque cylindrical shell, cylindrical shell 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 purpose of this utility model is to propose sun light tracking sensor a kind of simple in structure, economical and practical.By adopting sensor of the present utility model, guarantee the efficient tracking collection of solar rangh appliance to sunshine.
In order to achieve the above object, sun light tracking sensor of the present utility model 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.The utility model is simple in structure, cost economy, and tracking accuracy is higher, and design concept is ingenious, and practicality improves greatly, has good promotion prospect.
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the utility model embodiment one sensor construction schematic diagram.
Fig. 2 is the utility model embodiment two sensor construction schematic diagrames.
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.
Except that above embodiment, the utility model also has many other embodiments.The technical scheme that all employings are equal to replacement or equivalent transformation formation all drops in the protection domain of the present utility model.
Claims (5)
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 (z axle) 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00219971U CN2426597Y (en) | 2000-04-13 | 2000-04-13 | Sunlight following sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00219971U CN2426597Y (en) | 2000-04-13 | 2000-04-13 | Sunlight following sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2426597Y true CN2426597Y (en) | 2001-04-11 |
Family
ID=33585090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00219971U Expired - Lifetime CN2426597Y (en) | 2000-04-13 | 2000-04-13 | Sunlight following sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2426597Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012014236A1 (en) * | 2010-07-30 | 2012-02-02 | Alitec S.R.L. | Quadrant photodetector and related method for sun tracking |
| CN103034248A (en) * | 2012-12-14 | 2013-04-10 | 长安大学 | Sun tracking detection device made of compound convex lens combined with four-quadrant photoreceptor |
| CN103277922A (en) * | 2013-06-13 | 2013-09-04 | 上海中科高等研究院 | Sunlight tracking sensor |
| CN102147246B (en) * | 2010-02-05 | 2013-09-11 | 韩广军 | Solar tracking sensing device |
| CN103575385A (en) * | 2012-07-25 | 2014-02-12 | 中国科学院西安光学精密机械研究所 | Light measurement sensor for four directions of sunlight |
| CN104375514A (en) * | 2014-09-30 | 2015-02-25 | 于银龙 | Double-shaft solar automatic tracking power generation device and sensing probe thereof |
| CN104482491A (en) * | 2014-12-23 | 2015-04-01 | 上海斐讯数据通信技术有限公司 | Solar street lamp capable of automatically tracking light intensity and system thereof |
| CN106595646A (en) * | 2017-01-04 | 2017-04-26 | 北京航空航天大学 | Spot detection module and spot detection based laser positioning system |
| CN106873643A (en) * | 2017-04-06 | 2017-06-20 | 江苏大学 | A kind of optical fiber type photoelectric sensor for solar tracking |
| CN107153426A (en) * | 2017-05-26 | 2017-09-12 | 江苏大学 | A kind of sun-tracking sensor based on optical fiber light-guiding |
| CN109639226A (en) * | 2018-12-28 | 2019-04-16 | 辽宁立洲科技有限公司 | A kind of electric drive vehicle charging pile of steam-electric power plant |
| CN113515145A (en) * | 2021-04-06 | 2021-10-19 | 南京理工大学 | Double-shaft sun tracking system of photovoltaic power generation system and control method thereof |
-
2000
- 2000-04-13 CN CN00219971U patent/CN2426597Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147246B (en) * | 2010-02-05 | 2013-09-11 | 韩广军 | Solar tracking sensing device |
| WO2012014236A1 (en) * | 2010-07-30 | 2012-02-02 | Alitec S.R.L. | Quadrant photodetector and related method for sun tracking |
| CN103575385A (en) * | 2012-07-25 | 2014-02-12 | 中国科学院西安光学精密机械研究所 | Light measurement sensor for four directions of sunlight |
| CN103034248A (en) * | 2012-12-14 | 2013-04-10 | 长安大学 | Sun tracking detection device made of compound convex lens combined with four-quadrant photoreceptor |
| CN103034248B (en) * | 2012-12-14 | 2015-04-15 | 长安大学 | Sun tracking detection device made of compound convex lens combined with four-quadrant photoreceptor |
| CN103277922A (en) * | 2013-06-13 | 2013-09-04 | 上海中科高等研究院 | Sunlight tracking sensor |
| CN104375514A (en) * | 2014-09-30 | 2015-02-25 | 于银龙 | Double-shaft solar automatic tracking power generation device and sensing probe thereof |
| CN104482491A (en) * | 2014-12-23 | 2015-04-01 | 上海斐讯数据通信技术有限公司 | Solar street lamp capable of automatically tracking light intensity and system thereof |
| CN106595646A (en) * | 2017-01-04 | 2017-04-26 | 北京航空航天大学 | Spot detection module and spot detection based laser positioning system |
| CN106595646B (en) * | 2017-01-04 | 2019-10-18 | 北京航空航天大学 | A kind of spot detection module and the laser orientation system based on spot detection |
| CN106873643A (en) * | 2017-04-06 | 2017-06-20 | 江苏大学 | A kind of optical fiber type photoelectric sensor for solar tracking |
| CN106873643B (en) * | 2017-04-06 | 2020-07-31 | 江苏大学 | Optical fiber type photoelectric sensor for sun tracking |
| CN107153426A (en) * | 2017-05-26 | 2017-09-12 | 江苏大学 | A kind of sun-tracking sensor based on optical fiber light-guiding |
| CN107153426B (en) * | 2017-05-26 | 2020-06-26 | 江苏大学 | Sun tracking sensor based on optical fiber light guide |
| CN109639226A (en) * | 2018-12-28 | 2019-04-16 | 辽宁立洲科技有限公司 | A kind of electric drive vehicle charging pile of steam-electric power plant |
| CN113515145A (en) * | 2021-04-06 | 2021-10-19 | 南京理工大学 | Double-shaft sun tracking system of photovoltaic power generation system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |