CN1664516A - Solar energy in-situ detection method and system - Google Patents
Solar energy in-situ detection method and system Download PDFInfo
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- CN1664516A CN1664516A CN 200510013227 CN200510013227A CN1664516A CN 1664516 A CN1664516 A CN 1664516A CN 200510013227 CN200510013227 CN 200510013227 CN 200510013227 A CN200510013227 A CN 200510013227A CN 1664516 A CN1664516 A CN 1664516A
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Abstract
The invention discloses a method and system of measuring solar energy on the spot. The method uses the camera with fish-eye lens to soot the picture of the hole hemisphere, making sure every point's altitude angle and azimuth angle in the picture by the law of imagery and find the corresponding local solar trace picture according to the geographic latitude of the measuring point, connecting the solar trace with the orientation data and measuring the fender condition of the surrounding to the sunlight in one year, obtaining a certain time step from the illuminating time and the lever solar radiation intensity of that step can be computed according to the solar altitude angle h and atmospheric translucence p. The invention can measure the solar radiation intensity of the measuring spot on the level surface, vertical surface, any dip face at a certain time and make sure the best getting-energy surface, which can be used orientate the solar collector and battery and measure the energy of the solar house and sun-breaker.
Description
Technical field
The present invention relates to measuring method, particularly a kind of method and detection system thereof that adopts image processing techniques to detect sun power at the scene is applicable to that location, the solar energy housing of solar thermal collector or solar cell get the detection of heat and sunshading board sunshade amount.
Background technology
In the prior art, the location of various solar energy equipments, as the location of solar thermal collector and solar cell, and the sun.。The calculating of radiant quantity generally is according to the computational data under the spacious condition, does not consider that surrounding environment blocks the influence that waits complex conditions, therefore, needs a kind of method and system that can carry out the on-the-spot detection of sun power according to site environment.
Summary of the invention
A technical matters to be solved by this invention is to overcome deficiency of the prior art, provides a kind of and carries out the on-the-spot method that detects of sun power according to site environment.Another technical matters to be solved by this invention provides a kind of and carries out the on-the-spot system that detects of sun power according to site environment.
For solving the problems of the technologies described above, sun power in-situ check and test method of the present invention is characterized in that, may further comprise the steps:
A. camera is mixed fish eye lens is taken image from whole hemisphere to zenith;
B. determine the elevation angle and the position angle of each point in the image according to the imaging law of used camera lens;
C. according to the geographic latitude value of testing location, call out local corresponding track of sun figure;
D. with track of sun with towards data combine just can detect the measuring point surrounding environment in the whole year shield situation to this sunlight;
E. from the sunlit time period, take out the intensity of solar radiation of some time or certain period surface level, try to achieve according to this moment of locality sun altitude h and atmosphere transparent rate P
I
Level=1353P
1/sinhSinh
I in the formula
LevelThe intensity of solar radiation unit that is the some time on the measuring point surface level is W/m
2
F. calculate the solar radiation energy of this measuring point period, addition when intensity of solar radiation is pursued, unit is Wh/m
2
G. calculate the intensity of solar radiation I in some time on the measuring point vertical plane
Vertically
I
Vertically=1353P
1/sinhCosh * cos (A-ψ)
A is the position angle of the sun in the formula, ψ be vertical plane towards the angle, I
VerticallyUnit be W/m
2, in the time of calculating the solar radiation energy of this measuring point period vertical plane, addition when intensity of solar radiation is pursued, unit is Wh/m
2
If this vertical plane is a window face, then with the transmissivity of this window face F on duty, window and local percentage of possible sunshine ξ in this time period then must this window must heat Q at the sun power of this time period
The sun, unit is Wh; Promptly
Q
The sun=(∑ I
Vertically) F * τ ξ
I
Tilt=I
Level* cos θ+I
Vertically* sin θ
θ is the angle of dip plane and ground level in the formula.
For solving the problems of the technologies described above, the on-the-spot detection system of sun power of the present invention comprises computing machine, it is characterized in that described calculator memory contains operation program, and computing machine is carried out following steps when the operation operation program:
A. begin initialization;
B. the collection in fish eye images and orientation, prompting is input manually;
C. according to the geographic latitude value of testing location, call out local track of sun figure;
D. select required time or time period;
E. the atmospheric transparency in input test place, percentage of possible sunshine, artificial selection carry out f, g or the h step is calculated;
F. import calculating face towards and the inclination angle, calculate the intensity of solar radiation of the face of asking;
G. import building orientation, window ara and glass transmittance, get heat in the counting chamber;
H. calculating optimum get hot side intensity of solar radiation, towards and the inclination angle;
I. stop.
The present invention has following advantage and beneficial effect compared with prior art: can detect rapidly various and block under the situation, measuring point is carved or the determining of the intensity of solar radiation of certain time period surface level, vertical plane and any dip plane and best hot side at a time.The location, the solar energy housing that can be used for solar thermal collector or solar cell get heat.
Description of drawings
Fig. 1 is a detection system operation program process flow diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with principle and accompanying drawing:
The present invention adopts image processing techniques to detect the method for solar radiation quantity, camera is mixed fish eye lens is taken image from whole hemisphere to zenith, determine the elevation angle and the position angle of each point in the image according to the imaging law of used camera lens, according to the geographic latitude value of testing location, call out local corresponding track of sun figure; With track of sun with towards data combine just can detect the measuring point surrounding environment in the whole year shield situation to this sunlight.Can try to achieve according to this moment of locality sun altitude h and atmosphere transparent rate P from the intensity of solar radiation that can obtain the sunlit time period taking out some time or certain period surface level
I
Level=1353P
1/sinhSinh 1.
I in the formula
LevelThe intensity of solar radiation unit that is the some time on the measuring point surface level is W/m
2
When calculating the solar radiation energy of this measuring point period, addition when intensity of solar radiation is pursued, unit is Wh/m
2Calculate the intensity of solar radiation I in some time on the measuring point vertical plane
Vertically
I
Vertically=1353P
1/sinhCosh * cos (A-ψ) 2.
A is the position angle of the sun in the formula, ψ be vertical plane towards the angle, I
VerticallyUnit be W/m
2, in the time of calculating the solar radiation energy of this measuring point period vertical plane, addition when intensity of solar radiation is pursued, unit is Wh/m
2If this vertical plane is a window face, then with the transmissivity of this window face F on duty, window and local percentage of possible sunshine ξ in this time period then must this window must heat Q at the sun power of this time period
The sun, unit is Wh.Promptly
Q
The sun=(∑ I
Vertically) F * τ * ξ 3.
I
Tilt=I
Level* cos θ+I
Vertically* sin θ 4.
θ is the angle of dip plane and ground level in the formula.
Except that aforementioned calculation, can also calculate the optimum tilt face towards and the pitch angle.
Employing image processing techniques of the present invention detects the detection system of solar radiation quantity, comprises computing machine, and calculator memory contains operation program.As shown in Figure 1, computing machine is carried out following steps when the operation operation program: beginning, initialization; The collection in fish eye images and orientation, prompting is input manually; According to the geographic latitude value of testing location, call out local track of sun figure; Select required time (who or do what required time?); According to the meteorology of testing location, select; The atmospheric transparency in input test place, percentage of possible sunshine, artificial selection carry out following three steps and calculate; Input calculating face towards and the inclination angle, calculate the intensity of solar radiation of the face of asking; Input building orientation, window ara and glass transmittance get heat in the counting chamber; Calculating optimum get hot side intensity of solar radiation, towards and the inclination angle; Stop.
Claims (2)
1, a kind of sun power in-situ check and test method is characterized in that, may further comprise the steps:
A. camera is mixed fish eye lens is taken image from whole hemisphere to zenith;
B. determine the elevation angle and the position angle of each point in the image according to the imaging law of used camera lens;
C. according to the geographic latitude value of testing location, call out local corresponding track of sun figure;
D. with track of sun with towards data combine just can detect the measuring point surrounding environment in the whole year shield situation to this sunlight;
E. from the sunlit time period, take out the intensity of solar radiation of some time or certain period surface level, try to achieve according to this moment of locality sun altitude h and atmosphere transparent rate P
I
Level=1353P
1/sinhSinh
I in the formula
LevelThe intensity of solar radiation unit that is the some time on the measuring point surface level is W/m
2
F. calculate the solar radiation energy of this measuring point period, addition when intensity of solar radiation is pursued, unit is Wh/m
2
G. calculate the intensity of solar radiation I in some time on the measuring point vertical plane
Vertically
I
Vertically=1353P
1/sinhCosh * cos (A-ψ)
A is the position angle of the sun in the formula, ψ be vertical plane towards the angle, I
VerticallyUnit be W/m
2, in the time of calculating the solar radiation energy of this measuring point period vertical plane, addition when intensity of solar radiation is pursued, unit is Wh/m
2
If this vertical plane is a window face, then with the transmissivity of this window face F on duty, window and local percentage of possible sunshine ξ in this time period then must this window must heat Q at the sun power of this time period
The sun, unit is Wh; Promptly
Q
The sun=(∑ I
Vertically) F * τ * ξ
I
Tilt=I
Level* cos θ+I
Vertically* sin θ
θ is the angle of dip plane and ground level in the formula;
H. must heat Q according to the sun power of various dip plane gained
The sun, filter out the inclination angle and the orientation of the dip plane that sun power must the heat maximum.
2. the on-the-spot detection system of sun power comprises computing machine, it is characterized in that described calculator memory contains operation program, and computing machine is carried out following steps when the operation operation program:
A. begin initialization;
B. call in the fish eye images and the orientation of having gathered;
C. according to the geographic latitude value of testing location, call out local track of sun figure;
D. select required time or time period;
E. the atmospheric transparency in input test place, percentage of possible sunshine, artificial selection carry out f, g or the h step is calculated;
F. import calculating face towards and the inclination angle, calculate the intensity of solar radiation of the face of asking;
G. import building orientation, window ara and glass transmittance, get heat in the counting chamber;
H. calculating optimum get hot side intensity of solar radiation, towards and the inclination angle;
I. stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100132270A CN100434883C (en) | 2005-03-22 | 2005-03-22 | Solar energy in-situ detection method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100132270A CN100434883C (en) | 2005-03-22 | 2005-03-22 | Solar energy in-situ detection method and system |
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| Publication Number | Publication Date |
|---|---|
| CN1664516A true CN1664516A (en) | 2005-09-07 |
| CN100434883C CN100434883C (en) | 2008-11-19 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176074A (en) * | 2011-01-24 | 2011-09-07 | 广西大学 | Sunshine duration measuring method and sunshine duration measuring device |
| CN102607708A (en) * | 2012-04-13 | 2012-07-25 | 哈尔滨工业大学 | Infrared measurement device for collected solar flow distribution of solar collector and obtaining method for solar flow distribution graph |
| CN102692271A (en) * | 2012-06-14 | 2012-09-26 | 中国气象科学研究院 | Sky visible light images based direct solar radiation intensity measurement method and device |
| CN102721988A (en) * | 2012-06-14 | 2012-10-10 | 中国气象科学研究院 | Sunshine duration measuring method based on sky visible-light images |
| CN102779210A (en) * | 2012-06-25 | 2012-11-14 | 中国科学技术大学 | Method and device for calculating building solar faculae |
| CN103196550A (en) * | 2012-01-09 | 2013-07-10 | 西安智意能电子科技有限公司 | Method and equipment for screening and processing imaging information of launching light source |
| CN103631277A (en) * | 2013-12-10 | 2014-03-12 | 东华理工大学 | Optimal solar panel mounting angle measuring system |
| CN103743673A (en) * | 2014-01-15 | 2014-04-23 | 广州大学 | Simulation detection method and device for light transmittance of building external sunshade component |
| CN103778331A (en) * | 2014-01-16 | 2014-05-07 | 河北省电力勘测设计研究院 | Method for calculating solar resources in building photovoltaic system |
| CN108593100A (en) * | 2018-03-23 | 2018-09-28 | 吉林大学 | Moonscape solar radiation analysis method |
| CN110531445A (en) * | 2019-09-05 | 2019-12-03 | 中国科学院长春光学精密机械与物理研究所 | A kind of sunshine duration measuring device and equipment |
| CN111108683A (en) * | 2017-07-31 | 2020-05-05 | 尚飞运营有限公司 | Method for testing compatibility |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2791926B2 (en) * | 1991-09-05 | 1998-08-27 | 貴昭 池田 | Light receiving amount measuring method, sunshine condition measuring method, solar cell installation method and solar cell system |
| JP2002062188A (en) * | 2000-08-22 | 2002-02-28 | Kansai Electric Power Co Inc:The | Sunlight evaluation method and device |
| JP3735621B2 (en) * | 2003-07-18 | 2006-01-18 | 富山県 | All-sky light environment evaluation method |
-
2005
- 2005-03-22 CN CNB2005100132270A patent/CN100434883C/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176074A (en) * | 2011-01-24 | 2011-09-07 | 广西大学 | Sunshine duration measuring method and sunshine duration measuring device |
| CN102176074B (en) * | 2011-01-24 | 2013-10-09 | 广西大学 | Sunshine duration measuring method and sunshine duration measuring device |
| CN103196550A (en) * | 2012-01-09 | 2013-07-10 | 西安智意能电子科技有限公司 | Method and equipment for screening and processing imaging information of launching light source |
| CN102607708A (en) * | 2012-04-13 | 2012-07-25 | 哈尔滨工业大学 | Infrared measurement device for collected solar flow distribution of solar collector and obtaining method for solar flow distribution graph |
| CN102721988B (en) * | 2012-06-14 | 2014-09-03 | 中国气象科学研究院 | Sunshine duration measuring method based on sky visible-light images |
| CN102692271A (en) * | 2012-06-14 | 2012-09-26 | 中国气象科学研究院 | Sky visible light images based direct solar radiation intensity measurement method and device |
| CN102721988A (en) * | 2012-06-14 | 2012-10-10 | 中国气象科学研究院 | Sunshine duration measuring method based on sky visible-light images |
| CN102779210A (en) * | 2012-06-25 | 2012-11-14 | 中国科学技术大学 | Method and device for calculating building solar faculae |
| CN103631277A (en) * | 2013-12-10 | 2014-03-12 | 东华理工大学 | Optimal solar panel mounting angle measuring system |
| CN103631277B (en) * | 2013-12-10 | 2016-01-20 | 东华理工大学 | Solar panels optimum embedding angle degree measuring system |
| CN103743673A (en) * | 2014-01-15 | 2014-04-23 | 广州大学 | Simulation detection method and device for light transmittance of building external sunshade component |
| CN103743673B (en) * | 2014-01-15 | 2016-01-20 | 广州大学 | A kind of analog detecting method of buildings external shading component transmittance and device thereof |
| CN103778331A (en) * | 2014-01-16 | 2014-05-07 | 河北省电力勘测设计研究院 | Method for calculating solar resources in building photovoltaic system |
| CN103778331B (en) * | 2014-01-16 | 2017-01-04 | 河北省电力勘测设计研究院 | A kind of build the computational methods of solar energy resources in photovoltaic system |
| CN111108683A (en) * | 2017-07-31 | 2020-05-05 | 尚飞运营有限公司 | Method for testing compatibility |
| CN111108683B (en) * | 2017-07-31 | 2023-10-31 | 尚飞运营有限公司 | Method for testing compatibility |
| US11967931B2 (en) | 2017-07-31 | 2024-04-23 | Somfy Activites Sa | Method for testing compatibility |
| CN108593100A (en) * | 2018-03-23 | 2018-09-28 | 吉林大学 | Moonscape solar radiation analysis method |
| CN108593100B (en) * | 2018-03-23 | 2020-01-10 | 吉林大学 | Moon surface solar radiation analysis method |
| CN110531445A (en) * | 2019-09-05 | 2019-12-03 | 中国科学院长春光学精密机械与物理研究所 | A kind of sunshine duration measuring device and equipment |
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| CN100434883C (en) | 2008-11-19 |
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Granted publication date: 20081119 Termination date: 20110322 |