CN108036764A - Sunlight sensor and its method at measurement sunlight angle of inclination - Google Patents
Sunlight sensor and its method at measurement sunlight angle of inclination Download PDFInfo
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- CN108036764A CN108036764A CN201711445534.5A CN201711445534A CN108036764A CN 108036764 A CN108036764 A CN 108036764A CN 201711445534 A CN201711445534 A CN 201711445534A CN 108036764 A CN108036764 A CN 108036764A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 title claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000005286 illumination Methods 0.000 claims description 26
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
The present invention relates to a kind of sunlight sensor and its method at measurement sunlight angle of inclination, including horizontal positioned substrate；Four photographic plates being fixed on the substrate, four photographic plates are laid at the front, rear, left and right four direction of the substrate；And it is placed on the substrate and covers the cover body of the photographic plate, the photographic plate is corresponded on the cover body and offers light penetrating slit, the width of the light penetrating slit is less than the length of corresponding photographic plate, and it is installed with gap between the light penetrating slit and the photographic plate so that sunlight is through the light penetrating slit and is irradiated on corresponding photographic plate.The present invention is made inclined sunlight through light penetrating slit and is irradiated on photographic plate using four photographic plates and light penetrating slit, so that photographic plate produces corresponding electric current, leads to over-current judging sunlight in the position on photographic plate, and then obtain the elevation angle and azimuth of sunlight.
Description
Technical field
The present invention relates to sensor technical field, refers in particular to a kind of sunlight sensor and its measures the side at sunlight angle of inclination
Method.
Background technology
Sunlight sensor on automobile is used to detect sunlight strength so as to control auto Air Conditioner, is provided for in-car easypro
Suitable driving and seating environment.
But traditional Yanguan Pass sensor can only detect intensity of sunlight, it is impossible to the elevation angle and azimuth of sunlight are detected, because
And be difficult to judge the position where sunlight, prevent automatic air condition from providing more accurate zoned temperature control.
The content of the invention
The defects of it is an object of the invention to overcome the prior art, there is provided a kind of sunlight sensor and its measurement sunlight tilt
The method of angle, can solve the problems, such as that traditional sunlight sensor cannot detect sunlight angle of inclination.
Realizing the technical solution of above-mentioned purpose is：
The present invention provides a kind of sunlight sensor, including：
Horizontal positioned substrate；
Four photographic plates being fixed on the substrate, four photographic plates be laid in the substrate it is forward and backward,
At left and right four direction；And
It is placed on the substrate and covers the cover body of the photographic plate, corresponding to the photographic plate on the cover body offers
Light penetrating slit, the width of the light penetrating slit is less than the length of corresponding photographic plate, and is stayed between the light penetrating slit and the photographic plate
Equipped with gap so that sunlight may pass through the light penetrating slit and be irradiated on corresponding photographic plate.
The invention has the advantages that make inclined sunlight using four photographic plates and light penetrating slit through light penetrating slit and shine
It is mapped on photographic plate, so that photographic plate produces corresponding electric current, leads to over-current judging sunlight in the position on photographic plate,
And then obtain the elevation angle and azimuth of sunlight.
Sunlight sensor of the present invention further improvement lies in that, the shape of the photographic plate is rectangle, including splicing
First photosensitive Slab element and the second photosensitive Slab element, the first photosensitive Slab element and the second photographic plate cell configuration are identical
Right angled triangle, and the right angle of the first photosensitive Slab element is at the center of the substrate.
Sunlight sensor of the present invention further improvement lies in that, the cover body includes the shading above the photographic plate
Plate and the side strip arranged on the edge of the shadow shield is enclosed, the side strip is vertically erected on the substrate.
Sunlight sensor of the present invention further improvement lies in that, the length of the light penetrating slit is more than the width of corresponding photographic plate
Degree.
Present invention also offers a kind of method for measuring sunlight angle of inclination, including：
Sunlight sensor described in claim 4 is placed under sunlight, when sunlight is in the sunlight sensor, quilt
Sunlit photographic plate can correspondingly produce electric current；
Obtain the photographic plate for producing electric current and its photosensitive Slab element produces the size of electric current；
The direction of illumination of sunlight and the elevation angle of horizontal plane and azimuth are calculated according to current generated size, so that
The angle of inclination of sunlight is obtained.
The further improvements in methods at present invention measurement sunlight angle of inclination are, further include following steps：
The angle bag of projection and horizontal plane of the sunlight ray on vertical plane is calculated according to caused size of current
Include：
The current value of four photographic plates is substituted into formula one respectively, sunlight ray is calculated perpendicular corresponding to photographic plate
The projection faced directly and the angle of horizontal plane；
In formula one, α is the angle of projection and horizontal plane of the sunlight ray on the vertical plane corresponding to photographic plate, and h is
The height of the side strip, t be the shadow shield thickness, d be corresponding photographic plate length, InIt is photosensitive for corresponding first
The electric current that Slab element produces, ImThe electric current produced for the corresponding second photosensitive Slab element, W are the width of corresponding light penetrating slit.
The further improvements in methods at present invention measurement sunlight angle of inclination are, are calculated according to current generated size
Show that the direction of illumination of sunlight and the elevation angle of horizontal plane include：
The direction of illumination of sunlight and the elevation angle of horizontal plane are calculated using formula two；
In formula two, θ be sunlight direction of illumination and horizontal plane the elevation angle, i.e. sunlight the elevation angle, α be sunlight ray on a left side
Vertical plane or the projection on right vertical plane and the angle of horizontal plane, β are throwing of the sunlight ray on preceding vertical plane or rear vertical plane
The angle of shadow and horizontal plane.
The further improvements in methods at present invention measurement sunlight angle of inclination are, are calculated according to current generated size
Show that the direction of illumination of sunlight and the azimuth of horizontal plane include：
The direction of illumination of sunlight and the azimuth of horizontal plane are calculated using formula three；
In formula three, γ is the projection of sunlight in the horizontal plane and left vertical plane or the acute angle of right vertical plane, i.e. sun
The direction of illumination of light and the azimuth of horizontal plane, α are projection and horizontal plane of the sunlight ray on left vertical plane or right vertical plane
Angle, β be projection and horizontal plane of the sunlight ray on preceding vertical plane or rear vertical plane angle.
Brief description of the drawings
Fig. 1 is the structure diagram of sunlight sensor of the present invention.
Fig. 2 is the birds-eye perspective of sunlight sensor of the present invention.
Fig. 3 is the sectional view in A-A faces in Fig. 2.
Fig. 4 is the top view of photographic plate in Fig. 3.
Fig. 5 is to calculate the elevation angle of sunlight and azimuthal schematic diagram in the method at measurement sunlight angle of inclination.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the present invention provides a kind of sunlight sensor, the elevation angle and azimuth of measurable sunlight, available for controlling
Auto Air Conditioner processed realizes zoned temperature control.
Sunlight sensor of the present invention is illustrated below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, sunlight sensor of the present invention includes：Horizontal positioned substrate 10, be fixed on substrate 10
Four photographic plates 30, be placed on substrate 10 and the cover body 20 of four photographic plates 30 of covering.
Wherein, as shown in Figure 2 and Figure 4, substrate 10 has front side, rear side, left side and right side four direction, and four photosensitive
Plate 30 is accordingly laid in the front, rear, left and right four direction of substrate 10, and adjacent two photographic plates 30 are vertically arranged so that
Four photographic plates 30 are laid in " ten " word.Preferably, the end of four photographic plates 30 converges at the center of substrate 10, and adjacent
End abutment of two photographic plates 30 close to 10 center of substrate.
The shape of photographic plate 30 is rectangle, and each photographic plate 30 includes the first photosensitive Slab element 31 and second of splicing
Photosensitive Slab element 32, the first photosensitive photosensitive 32 shape of Slab element of Slab element 31 and second are identical right angled triangle, and two straight
Angle hypotenuse fitting is so as to form rectangular photographic plate 30, and the right angle of the first photosensitive Slab element 31 is close to substrate 10
Center.
Corresponding four photographic plates 30 offer four light penetrating slits 21 on cover body 20, and the width of light penetrating slit 21 is less than corresponding sense
The length of tabula rasa 30, the length of light penetrating slit 21 are more than the width of corresponding photographic plate 30 so that sunlight can be by saturating when tilting
Light slit 21, which is radiated on photographic plate 30, forms light belt, and is installed with gap between light penetrating slit 21 and photographic plate 30 so that sunlight with
Obvious angle is formed between photographic plate 30.
In a preferable embodiment, cover body 20 is the box like structure of bottom opening, including above photographic plate 30
And horizontally disposed shadow shield and enclose side strip 22 arranged on the edge of shadow shield, side strip 22 be vertically erected on substrate 10 it
On, shadow shield is used to support so that being stayed between shadow shield and photographic plate 30 and sets gap, and light penetrating slit 21 is opened in the top of cover body 20
Shadow shield on.Preferably, side of the light penetrating slit 21 away from 10 center of substrate with corresponding photographic plate 30 away from substrate center
Side flushes.Sunlight is covered by shadow shield and side strip 22 so that sunlight can only be irradiated in photographic plate 30 by light penetrating slit 21
On, prevent sunlight from being exposed to from other places on photographic plate 30 and producing interference to measurement.
The method at present invention measurement sunlight angle of inclination is illustrated below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 5, sunlight angle of inclination is measured using above-mentioned sunlight sensor, is comprised the following steps：
Above-mentioned sunlight sensor is placed under sunlight, when sunlight is in sunlight sensor, the sense that by sunlight
Tabula rasa can correspondingly produce electric current.
Obtain the photographic plate for producing electric current and its photosensitive Slab element produces the size of electric current.
Projection and horizontal plane of the sunlight ray on corresponding vertical plane are calculated according to caused size of current
Angle, and the inclined direction of sunlight is judged according to the angle, specifically include：
When the angle being calculated only has one, then setting for the photographic plate corresponding to the electric current of the angle is calculated
Put the direction of illumination that direction is sunlight.
When the angle being calculated has two, then the direction of illumination of sunlight is located at the electric current institute of the angle is calculated
Between the setting direction of corresponding two photographic plates.
The direction of illumination of sunlight and the elevation angle of horizontal plane and azimuth are calculated according to current generated size, so that
The angle of inclination of sunlight has been obtained, has been specifically included：
Projection and horizontal plane of the sunlight ray on corresponding vertical plane are calculated according to caused size of current
Angle, and draw the direction of illumination of sunlight and the elevation angle of horizontal plane and azimuth using the angle calcu-lation.
As shown in Figures 3 to 5, by taking the photographic plate in right direction and front direction is subject to illumination as an example, it is calculated at this time
Angle has two, and the direction of illumination of sunlight is between right direction and front direction.In Fig. 3 and Fig. 4, sunlight is obliquely irradiated in the right side
X on photographic plate 30 on direction1To X3Place；In Fig. 5, X-direction is right direction, and Y-direction is front direction, and XOY faces are horizontal plane, XOZ
Face is right vertical plane, and YOZ faces are preceding vertical plane.
According to caused size of current be calculated sunlight ray in photographic plate corresponding to vertical plane on projection with
The angle of horizontal plane further comprises：
Referring to Fig. 3 and Fig. 4, the value of caused electric current on the photographic plate of right direction is substituted into formula one, calculates sunlight light
The angle of projection and horizontal plane of the line on right vertical plane；
In formula one, α is the angle of projection and horizontal plane of the sunlight ray on right vertical plane, and h is the height of side strip 22
Degree, t be shadow shield thickness, d be right direction photographic plate 30 length, InProduced for the corresponding first photosensitive Slab element 31
Electric current, ImThe electric current produced for the corresponding second photosensitive Slab element 32, W are the width of corresponding light penetrating slit 21；
The value of caused electric current on the photographic plate of front direction is substituted into formula one, calculates sunlight ray on preceding vertical plane
Projection and horizontal plane angle：
In formula two, β is the angle of projection and horizontal plane of the sunlight ray on preceding vertical plane, and h is the height of side strip 22
Degree, t be shadow shield thickness, d be front direction photographic plate 30 length, InProduced for the corresponding first photosensitive Slab element 31
Electric current, ImThe electric current produced for the corresponding second photosensitive Slab element 32, W are the width of corresponding light penetrating slit 21.
The direction of illumination of sunlight and the elevation angle of horizontal plane and azimuth are calculated according to current generated size, specifically
Including：
Using the above-mentioned angle calculated, the direction of illumination of sunlight and the elevation angle of horizontal plane and orientation is calculated
Angle.
Referring to Fig. 5, straight line a is sunlight, and a point A is taken on straight line a, make Projection Line Segment ABs of the straight line a on XOZ faces,
Projection Line Segment AC on YOZ faces and the Projection Line Segment OD on XOY faces, line segment AD are distance of the sunlight to XOY faces.
Show that the direction of illumination of sunlight and the elevation angle of horizontal plane include using angle calcu-lation：Public affairs can be derived according to Fig. 5
Formula two, the elevation angle of sunlight is calculated using formula two；
In formula two, θ is the elevation angle of the direction of illumination with horizontal plane (XOY faces) of sunlight, and α is sunlight ray right vertical
The angle of projection and horizontal plane on face, β are the angle of projection and horizontal plane of the sunlight ray on preceding vertical plane.
Show that the direction of illumination of sunlight and the azimuth of horizontal plane include using angle calcu-lation：
Formula four can be derived according to Fig. 5, the azimuth of sunlight is calculated using formula four；
In formula four, γ is the projection of sunlight in the horizontal plane and the orientation of the angle, i.e. sunlight of right vertical plane (XOZ faces)
Angle, α are the angle of projection and horizontal plane of the sunlight ray on right vertical plane, and β is projection of the sunlight ray on preceding vertical plane
With the angle of horizontal plane.
When the sunlight ray being calculated only has one in the projection on vertical plane and the angle of horizontal plane, according to electric current
Size, the angle of the direction of illumination and horizontal plane of sunlight can be calculated using above-mentioned formula one, which is sun
The elevation angle of light, and since sunniness direction is consistent with the corresponding photographic plate direction set, without calculating the direction of sunlight again
Angle.
The method at sunlight sensor of the present invention and its measurement sunlight angle of inclination has the beneficial effect that：
Make inclined sunlight using four photographic plates and light penetrating slit through light penetrating slit and be irradiated on photographic plate, pass through electricity
Stream judges sunlight in the position on photographic plate, and then obtains the elevation angle and azimuth of sunlight.
The present invention is described in detail above in association with attached drawing embodiment, those skilled in the art can be according to upper
State and bright many variations example is made to the present invention.Thus, some details in embodiment should not form limitation of the invention, this
Invention will be used as protection scope of the present invention using the scope that the appended claims define.
Claims (9)
- A kind of 1. sunlight sensor, it is characterised in that including：Horizontal positioned substrate；Four photographic plates being fixed on the substrate, four photographic plates are laid in the front, rear, left and right of the substrate At four direction；AndIt is placed on the substrate and covers the cover body of the photographic plate, corresponding to the photographic plate on the cover body offers printing opacity Seam, the width of the light penetrating slit is less than the length of corresponding photographic plate, and is installed between the light penetrating slit and the photographic plate Gap so that sunlight may pass through the light penetrating slit and be irradiated on corresponding photographic plate.
- 2. sunlight sensor as claimed in claim 1, it is characterised in that the shape of the photographic plate is rectangle, including is spelled The the first photosensitive Slab element and the second photosensitive Slab element connect, the first photosensitive Slab element and the second photographic plate cell configuration are phase Same right angled triangle, and the right angle of the first photosensitive Slab element is at the center of the substrate.
- 3. sunlight sensor as claimed in claim 2, it is characterised in that the cover body is included above the photographic plate Shadow shield and the side strip arranged on the edge of the shadow shield is enclosed, the side strip is vertically erected on the substrate.
- 4. sunlight sensor as claimed in claim 3, it is characterised in that the length of the light penetrating slit is more than corresponding photographic plate Width.
- A kind of 5. method for measuring sunlight angle of inclination, it is characterised in that include the following steps：Sunlight sensor described in claim 4 is placed under sunlight, when sunlight is in the sunlight sensor, by sunlight The photographic plate of irradiation can correspondingly produce electric current；Obtain the photographic plate for producing electric current and its photosensitive Slab element produces the size of electric current；The direction of illumination of sunlight and the elevation angle of horizontal plane and azimuth are calculated according to current generated size, so as to obtain The angle of inclination of sunlight.
- 6. the method at measurement sunlight angle of inclination as claimed in claim 5, it is characterised in that further include following steps：It is calculated the angle of projection and horizontal plane of the sunlight ray on vertical plane according to caused size of current, and according to The angle judges the inclined direction of sunlight.
- 7. the method at measurement sunlight angle of inclination as claimed in claim 6, it is characterised in that according to caused size of current The angle of projection and horizontal plane of the sunlight ray on vertical plane, which is calculated, to be included：The current value of four photographic plates is substituted into formula one respectively, sunlight ray is calculated in the vertical plane corresponding to photographic plate On projection and horizontal plane angle；In formula one, α is the angle of projection and horizontal plane of the sunlight ray on the vertical plane corresponding to photographic plate, and h is described The height of side strip, t be the shadow shield thickness, d be corresponding photographic plate length, InFor corresponding first photographic plate list The electric current that member produces, ImThe electric current produced for the corresponding second photosensitive Slab element, W are the width of corresponding light penetrating slit.
- 8. the method at measurement sunlight angle of inclination as claimed in claim 7, it is characterised in that according to current generated size The elevation angle of direction of illumination and horizontal plane that sunlight is calculated includes：The direction of illumination of sunlight and the elevation angle of horizontal plane are calculated using formula two；In formula two, θ be sunlight direction of illumination and horizontal plane the elevation angle, i.e. sunlight the elevation angle, α for sunlight ray it is left vertically Face or the projection on right vertical plane and the angle of horizontal plane, β for projection of the sunlight ray on preceding vertical plane or rear vertical plane with The angle of horizontal plane.
- 9. the method at measurement sunlight angle of inclination as claimed in claim 7, it is characterised in that according to current generated size The azimuth of direction of illumination and horizontal plane that sunlight is calculated includes：The direction of illumination of sunlight and the azimuth of horizontal plane are calculated using formula three；In formula three, the acute angles that projects with left vertical plane or right vertical plane of the γ for sunlight in the horizontal plane, i.e. sunlight The azimuth of direction of illumination and horizontal plane, α are the folder of projection and horizontal plane of the sunlight ray on left vertical plane or right vertical plane Angle, β are the angle of projection and horizontal plane of the sunlight ray on preceding vertical plane or rear vertical plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711445534.5A CN108036764A (en) | 2017-12-27 | 2017-12-27 | Sunlight sensor and its method at measurement sunlight angle of inclination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711445534.5A CN108036764A (en) | 2017-12-27 | 2017-12-27 | Sunlight sensor and its method at measurement sunlight angle of inclination |
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| CN201711445534.5A Pending CN108036764A (en) | 2017-12-27 | 2017-12-27 | Sunlight sensor and its method at measurement sunlight angle of inclination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561905A (en) * | 2020-05-26 | 2020-08-21 | 重庆大学 | Photoelectric sensor for detecting sunlight angle and detection method thereof |
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| CN104729456A (en) * | 2015-03-12 | 2015-06-24 | 湖州佳格电子科技有限公司 | Light incident angle detection device and method |
| CN207946081U (en) * | 2017-12-27 | 2018-10-09 | 上海恩弼科技有限公司 | Sunlight sensor |
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2017
- 2017-12-27 CN CN201711445534.5A patent/CN108036764A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2671880A1 (en) * | 1991-01-22 | 1992-07-24 | Ismra | Radiation detector |
| JPH07190754A (en) * | 1993-12-27 | 1995-07-28 | Copal Co Ltd | Sun tracking sensor |
| CN101149259A (en) * | 2006-09-22 | 2008-03-26 | 科强能源系统工程股份有限公司 | Sun azimuth detector |
| CN101692445A (en) * | 2009-06-19 | 2010-04-07 | 科强能源系统工程股份有限公司 | Photovoltaic sun-seeking detector |
| CN202109902U (en) * | 2010-11-26 | 2012-01-11 | 洪添杞 | light angle sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561905A (en) * | 2020-05-26 | 2020-08-21 | 重庆大学 | Photoelectric sensor for detecting sunlight angle and detection method thereof |
| CN111561905B (en) * | 2020-05-26 | 2022-02-15 | 重庆大学 | Sunlight angle detection method |
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