CN202770434U - Right-angled-staggering reflected-wave measuring device for sun angle - Google Patents
Right-angled-staggering reflected-wave measuring device for sun angle Download PDFInfo
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- CN202770434U CN202770434U CN 201220373872 CN201220373872U CN202770434U CN 202770434 U CN202770434 U CN 202770434U CN 201220373872 CN201220373872 CN 201220373872 CN 201220373872 U CN201220373872 U CN 201220373872U CN 202770434 U CN202770434 U CN 202770434U
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- right angle
- step surface
- camera bellows
- sensitive face
- measurement mechanism
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Abstract
The utility model discloses a right-angled-staggering reflected-wave measuring device for sun angle. The right-angled-staggering reflected-wave measuring device for sun angle comprises a dark box, a sensing surface and a right-angle reflector. A bottom step surface and an upper step surface both parallel with horizontal plane are arranged in the dark box. A lighting window is disposed on the upper half of the sunny side of the dark box. The sensing surface is fixed on the bottom step surface. The right-angle reflector is disposed on the upper step surface. A plurality of optical power sensors are disposed on the sensing surface. The right-angle reflector reflects sunlight from the lighting window to the sensing surface in strip beam form. The optical power sensors arranged according to solar azimuths acquire densities of power signals, and a group of largest densities and the solar azimuths corresponding to the densities are obtained by comparing the signal densities. The right-angled-staggering reflected-wave measuring device for sun angle calculates geometric shape center of the sun through radiation main pole azimuth of the sun and has advantages that measurement data is more direct, precision is high, and the device is of certain suitability for cloudy days and the like.
Description
Technical field
The utility model relates to a kind of reflection-type special wave band sun angle measurement mechanism, especially a kind of right angle shift type reflection wave sun angle measurement mechanism.
Background technology
Existing sun-tracking sensor, the kind of its collection signal has following several: the one, adopt photosensor chip as core devices, receive the illumination of sunshine, utilize the method for quadrant analysis to be calculated the orientation angle information that obtains the sun by computing machine.The image method of being exactly is arranged again, namely extrapolates the orientation angle information of the sun according to the position-reversed of laser image spot that the sun becomes on the image receiving screen, also have other classification sensor and above-mentioned two kinds substantially similar.
Generally be only suitable for upper sensor under the environment for use of low precision, resulting data are not to be directly to record, and need can obtain desired data through after the multiple calculating.In relevant calculating process, because the larger error that the accumulative total effect of the error of calculation produces adds the unreliability problem that thus multiple calculating produces, greatly affected Systems balanth, in addition, atmospheric transparency also produces certain influence to measuring.In view of this, need on industry and the specialty to have that another set of measurement data is more direct, precision is relatively high, have certain adaptive system to realize the function of solar tracking to cloudy and cloudy.
The utility model content
For the problem that prior art exists, the purpose of this utility model be to provide a kind of simple in structure, directly utilize the sunshine reflection to measure its azimuthal right angle shift type reflection wave sun angle measurement mechanism with parallel staggered angle degree.
For achieving the above object, a kind of right angle of the utility model shift type reflection wave sun angle measurement mechanism, comprise camera bellows, sensitive face and right angle reflector, wherein, be provided with all the bottom step surface parallel with surface level and upper strata step surface in the camera bellows, the first half of the side, Chaoyang of camera bellows is provided with logical optical window, and sensitive face is fixedly installed on the bottom step surface, right angle reflector is arranged on the step surface of upper strata, is provided with several optical power sensors on the sensitive face;
Described sensitive face is perpendicular to surface level, right angle reflector will reflex on the sensitive face with bar shaped light beam from the sunlight that logical optical window is injected, the optical power sensor that comes apportion to arrange according to solar azimuth gathers power signal intensity, by contrast signal intensity draw the maximum intensity group with and corresponding solar azimuth.
Further, described camera bellows is installed on the pedestal, described camera bellows and the pedestal light integrally formed camera bellows structure that is sealedly and fixedly connected.
Further, described camera bellows is made by the light encapsulant and is rectangular parallelepiped, inboard along camera bellows under described logical optical window arranges a horizontally disposed rectangular planes shadow shield, three limits and the described camera bellows light of this flat shield are sealedly and fixedly connected, and described sensitive face is arranged on the below of flat shield.
Further, described camera bellows, flat shield and described pedestal are integrally connected rear encirclement and form the light seal cavity, this light seal cavity inside surface coating light absorbing material.
Further, described pedestal is rectangle two-stage ledge structure, and this ledge structure comprises described bottom step surface and upper strata step surface, and wherein said bottom step surface and side, described Chaoyang are positioned at homonymy.
Further, described bottom step surface and upper strata step surface difference in height arranges according to covering all described optical power sensors of every row for described right angle reflector can be flashed back the sunlight it.
Further, the profile of described sensitive face is the side fragment of semicolumn, in its concave surface one side several described optical power sensors is set, and the semicolumn central shaft of described sensitive face is perpendicular to surface level.
Further, several described optical power sensors are the curved surface lattice-like, form the collection row along cylindrical side circular arc direction, form the collection row along the semicolumn central axis direction, wherein several collections are listed as uniformly-spaced angle arrangement, the arrangement scope is from 0 ° to 180 °, and each gathers one by one corresponding different solar azimuth of row, and the orientation and the semicolumn central axes that gather row arrange.
Further, described right angle reflector is arranged on the step surface of described upper strata by driver, and the described right angle reflector of driver control rotates, locates and the calibration corner; Described driver is controlled stepper motor, and its rotation axis is set to overlap with the semicolumn central shaft of described sensitive face.
Further, described right angle reflector at right angles and by both is grown limits mutually by being formed by fixedly connecting by the identical rectangle reflecting unit of two plate shapes, connecting line is set to semicolumn central shaft corresponding to described sensitive face, and described right angle reflector reflective is set as the wavelength relevant with reflecting unit material light characteristic.
The utility model provides a kind of sunshine that directly utilizes to test its azimuthal simple structure optical devices, calculate sun profile geometric center by the radiation principal maximum orientation of following the tracks of the sun, have that measurement data is more direct, precision is relatively high, to cloudy and cloudy the function such as certain adaptability arranged.
Description of drawings
Fig. 1 is that schematic cross-section is looked on the integrally-built right side of the utility model device;
Fig. 2 is the integrally-built top cross sectional view of the utility model device;
Fig. 3 is the sensitive face of the utility model device and the structural representation that power sensor distributes;
Fig. 4 is A section structure for amplifying synoptic diagram among Fig. 2.
Embodiment
Below, with reference to the accompanying drawings, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.Yet the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
In order to be easy to explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for element shown in the key diagram or feature with respect to the relation of another element or feature.It should be understood that except the orientation shown in the figure spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device among the figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in used space here can correspondingly be explained.
Right angle reflective application principle: the three-dimensional straight corner reflection can be with the parallel light reflection of arbitrarily incident, and namely incident ray is parallel with reflection ray; Present case is the reflection of bidimensional right angle, right angle reflector at right angles is comprised of the identical rectangle reflecting metal flat board of two plate shapes, can be with the light ray parallel reflection of arbitrarily incident, it is the separately plane parallel at place of incident ray and reflection ray, and only have when the plane at the incident ray place rectangle reflecting metal flat board identical with two plate shapes all is 45° angle, be the maximum direction of the luminous power of reflection.
As shown in Figures 1 to 4, a kind of right angle of the utility model shift type reflection wave sun angle measurement mechanism, comprise pedestal 1, camera bellows 3, sensitive face 7, driver 5 and right angle reflector 6, wherein, pedestal 1 is the rectangle ledge structure, and it is all parallel with surface level that this ledge structure contains the two-stage step surface altogether, is respectively bottom step surface 9 and upper strata step surface 10, sensitive face 7 is set on the bottom step surface 9, the integrated device of driver 5 and right angle reflector 6 is set on the upper strata step surface 10.
A kind of right angle of the utility model shift type reflection wave sun angle measurement mechanism can be used for measuring solar azimuth.
The semicolumn central shaft of sensitive face 7 is set to perpendicular to surface level, right angle reflector 6 will reflex on the sensitive face 7 with bar shaped light beam from the sunlight that logical optical window 13 is injected, the optical power sensor 8 that comes apportion to arrange according to solar azimuth gathers the power signal intensity, by contrast signal intensity draw the maximum intensity group with and corresponding solar azimuth;
When utilizing the utility model measurement device solar azimuth:
The first step, with the utility model device fixed placement on the workbench (not shown), make its logical optical window 13 towards sunny side;
Second step, open logical optical window 13 and the light 12 of the sun 11 is injected and shone right angle reflector 6, right angle reflector 6 uniform rotation also project institute's reflection ray 12 on the sensitive face 7;
Because some optical power sensors of every row uniformly-spaced angle are arranged one by one corresponding different solar azimuth, so statistical computation can obtain the solar radiation average power by the different orientations that gathers row 16 divisions, thereby determine and the corresponding position angle of average power maximal value, i.e. solar azimuth.Concrete statistical calculation method is set according to the Error Theory concrete regulation, measures to calculate to comprise total value, mean value, root-mean-square valve, root-mean-square value, most probable value, error fluctuation valuation etc.
Claims (10)
1. right angle shift type reflection wave sun angle measurement mechanism, it is characterized in that, this device comprises camera bellows, sensitive face and right angle reflector, wherein, be provided with all the bottom step surface parallel with surface level and upper strata step surface in the camera bellows, the first half of the side, Chaoyang of camera bellows is provided with logical optical window, and sensitive face is fixedly installed on the bottom step surface, right angle reflector is arranged on the step surface of upper strata, is provided with several optical power sensors on the sensitive face;
Described sensitive face is perpendicular to surface level, right angle reflector will reflex on the sensitive face with bar shaped light beam from the sunlight that logical optical window is injected, the optical power sensor that comes apportion to arrange according to solar azimuth gathers power signal intensity, by contrast signal intensity draw the maximum intensity group with and corresponding solar azimuth.
2. right angle as claimed in claim 1 shift type reflection wave sun angle measurement mechanism is characterized in that described camera bellows is installed on the pedestal, described camera bellows and the pedestal light integrally formed camera bellows structure that is sealedly and fixedly connected.
3. right angle as claimed in claim 2 shift type reflection wave sun angle measurement mechanism, it is characterized in that, described camera bellows is made by the light encapsulant and is rectangular parallelepiped, inboard along camera bellows under described logical optical window arranges a horizontally disposed rectangular planes shadow shield, three limits and the described camera bellows light of this flat shield are sealedly and fixedly connected, and described sensitive face is arranged on the below of flat shield.
4. right angle as claimed in claim 3 shift type reflection wave sun angle measurement mechanism is characterized in that, described camera bellows, flat shield and described pedestal are integrally connected rear encirclement and form the light seal cavity, this light seal cavity inside surface coating light absorbing material.
5. right angle as claimed in claim 2 shift type reflection wave sun angle measurement mechanism, it is characterized in that, described pedestal is rectangle two-stage ledge structure, and this ledge structure comprises described bottom step surface and upper strata step surface, and wherein said bottom step surface and side, described Chaoyang are positioned at homonymy.
6. right angle as claimed in claim 1 shift type reflection wave sun angle measurement mechanism, it is characterized in that the foundation that arranges of described bottom step surface and upper strata step surface difference in height covers all described optical power sensors of every row for described right angle reflector can be flashed back the sunlight it.
7. right angle as claimed in claim 1 shift type reflection wave sun angle measurement mechanism, it is characterized in that, the profile of described sensitive face is the side fragment of semicolumn, in its concave surface one side several described optical power sensors is set, and the semicolumn central shaft of described sensitive face is perpendicular to surface level.
8. right angle as claimed in claim 1 shift type reflection wave sun angle measurement mechanism, it is characterized in that, several described optical power sensors are the curved surface lattice-like, form the collection row along cylindrical side circular arc direction, form the collection row along the semicolumn central axis direction, wherein several collections are listed as uniformly-spaced angle arrangement, and the arrangement scope is from 0 ° to 180 °, each gathers one by one corresponding different solar azimuth of row, and the orientation and the semicolumn central axes that gather row arrange.
9. right angle as claimed in claim 1 shift type reflection wave sun angle measurement mechanism is characterized in that described right angle reflector is arranged on the step surface of described upper strata by driver, and the described right angle reflector of driver control rotates, location and calibration corner; Described driver is controlled stepper motor, and its rotation axis is set to overlap with the semicolumn central shaft of described sensitive face.
10. right angle as claimed in claim 1 shift type reflection wave sun angle measurement mechanism, it is characterized in that, described right angle reflector at right angles and by both is grown limits mutually by being formed by fixedly connecting by the identical rectangle reflecting unit of two plate shapes, connecting line is set to semicolumn central shaft corresponding to described sensitive face, and described right angle reflector reflective is set as the wavelength relevant with reflecting unit material light characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373872 CN202770434U (en) | 2012-07-31 | 2012-07-31 | Right-angled-staggering reflected-wave measuring device for sun angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373872 CN202770434U (en) | 2012-07-31 | 2012-07-31 | Right-angled-staggering reflected-wave measuring device for sun angle |
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| Publication Number | Publication Date |
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| CN202770434U true CN202770434U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220373872 Expired - Fee Related CN202770434U (en) | 2012-07-31 | 2012-07-31 | Right-angled-staggering reflected-wave measuring device for sun angle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347099A (en) * | 2019-08-24 | 2019-10-18 | 南京信息职业技术学院 | Micro-cavity internal-emitting photosensitive light source tracking method and device |
-
2012
- 2012-07-31 CN CN 201220373872 patent/CN202770434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347099A (en) * | 2019-08-24 | 2019-10-18 | 南京信息职业技术学院 | Micro-cavity internal-emitting photosensitive light source tracking method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RAYSPOWER ENERGY GROUP CO., LTD. Free format text: FORMER NAME: NEW ENERGY POWER CO., LTD. IN HAI DUONG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee after: Rayspower Energy Group Co., Ltd. Address before: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee before: RAYSPOWER NEW ENERGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20180731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |