CN104165605B - The method and its skiametry instrument of skiametry in photovoltaic system design - Google Patents
The method and its skiametry instrument of skiametry in photovoltaic system design Download PDFInfo
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- CN104165605B CN104165605B CN201410447418.7A CN201410447418A CN104165605B CN 104165605 B CN104165605 B CN 104165605B CN 201410447418 A CN201410447418 A CN 201410447418A CN 104165605 B CN104165605 B CN 104165605B
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Abstract
The invention discloses in a kind of design of photovoltaic system skiametry method and its skiametry instrument, it is as follows the step of method：A skiametry instrument is provided, the skiametry instrument has a light source body；Latitude, declination angle and time period according to object geographic location, obtains the sun altitude and solar azimuth of the now sun；Keep skiametry instrument to be the level of state, and position adjustments are carried out relative to object to skiametry instrument, irradiation of the light source body to object is modeled to into irradiation of the sun to object；Choose multiple key points at object edge；Light source body is opened, and the direction of illumination to light source body is adjusted so as to each key point irradiated on each object, so as to obtain the corresponding subpoint of key point；Projected footprint by reference to variously-shaped shelter the subpoint with reference to the object, the shadow occlusion area of object of painting out.The reasonability for removing shadow occlusion area and support installing space on various roofs in photovoltaic generating system is able to verify that by the inventive method.
Description
Technical field
The present invention relates in a kind of design of photovoltaic system skiametry method and its skiametry instrument, belong to photovoltaic system
System design field.
Background technology
At present, with the development of domestic distributed power generation, as single project is little, the project budget is few, so requiring
The recovery ability to reduce overall operation cost, improve project is innovated in the design and construction of project, actively promotes photovoltaic
Break out in distributed power generation market.At this stage, the design of photovoltaic system only has the designer of certain educational background and experience
Can just be designed, with the reasonability for ensureing to design.In the design, due to roof variation, while needing the fortune of simulated solar
Row track carries out computational shadowgraph, and designer Jing often feels pain deeply to computational shadowgraph, as its calculating process is related to multiple triangles
Function, sets up track and area that 3D models can just calculate shadow occlusion, and this is that time-consuming most long, calculating is most tired during photovoltaic is designed
Difficult module.
The content of the invention
The technical problem to be solved is the defect for overcoming prior art, there is provided cloudy in a kind of photovoltaic system design
The method of shadow measurement, is able to verify that the removal shadow occlusion area and support on various roofs in photovoltaic generating system by the method
The reasonability of installing space.
In order to solve above-mentioned technical problem, the technical scheme is that：Skiametry in a kind of photovoltaic system design
The step of method, the method, is as follows：
(1) a skiametry instrument is provided, the skiametry instrument has the adjustable light source body of a direction of illumination；
(2) latitude according to object geographic location, declination angle and time period, obtain the altitude of the sun of the now sun
Angle and solar azimuth；
(3) keep skiametry instrument to be the level of state, and position tune is carried out relative to object to skiametry instrument
Section, makes the light source body of skiametry instrument be equal to solar azimuth relative to the azimuth of object, and its elevation angle is equal to the sun
Elevation angle, so as to the irradiation by light source body to object is modeled to irradiation of the sun to object；
(4) multiple key points at object edge are chosen；
(5) light source body is opened, and the direction of illumination to light source body is adjusted so as to irradiate each on each object
Key point, so as to obtain the corresponding subpoint of key point；
(6) projected footprint by reference to variously-shaped shelter the subpoint with reference to the object, so as to paint out
The shadow occlusion area of object.
A kind of concrete structure of skiametry instrument is further provided preferably to measure shaded area, described the moon
Also there is shadow measuring instrument angle scale, compass and level indicator, level indicator and compass to be installed on angle scale, angle scale
Edge part is carved with the angle index line group for indicating position angle, a certain angle on the due south direction alignment angle disk of compass
Degree graduation mark, and the angle index line is used as the reference angle graduation mark of bearing null；In described step (3), pass through
Level indicator is the level of state determining skiametry instrument, the azimuthal control method of described light source body relative to object
For：By another angle index line on object alignment angle scale, it is ensured that the angle index line and the folder with reference to angle graduation mark
Angle is equal to solar azimuth.
Further provide a kind of concrete structure of light source body each key chosen on object can be irradiated so as to which
Point, described light source body is rotary infrared emitter, and it includes infrared emitter, head spheroid, rotary body, chassis, rotary body
Drive mechanism and head ball drive mechanism, chassis are arranged on the center of angle scale, and rotary body can be rotated to support on chassis
On, head spheroid is movably installed at the top of rotary body, and described infrared emitter is arranged on head spheroid, rotary body
Drive mechanism driving rotating bodies is rotated relative to chassis, and head ball drive mechanism drives head spheroid to live relative to rotary body
It is dynamic.
Present invention also offers the skiametry instrument in a kind of photovoltaic system design used in the method for skiametry,
It includes the adjustable light source body of angle scale, compass, level indicator and direction of illumination, and the edge part of angle scale is carved with for indicating
Azimuthal angle index line group, light source body are arranged on the center of angle scale, and level indicator and compass are installed in angle scale
On, and the due south direction alignment of compass is used as an angle index line of bearing null reference.
Further, described light source body be rotary infrared emitter, it include infrared emitter, head spheroid, rotary body,
Chassis, rotary body drive mechanism and head ball drive mechanism, chassis are arranged on the center of angle scale, and rotary body is rotatably
It is bearing on chassis, head spheroid is movably installed at the top of rotary body, described infrared emitter is arranged on head ball
On body, rotary body drive mechanism driving rotating bodies is rotated relative to chassis, and head ball drive mechanism drives head spheroid relative
In rotary body activity.
After employing above-mentioned technical proposal, sun altitude and solar azimuth of the method for the present invention according to the sun for obtaining
Angle, makes light source body be arranged on the relative position of the sun, is the luminous of light source body by sun luminous-circuit, so as to irradiate target
Thing, referring again to the projected footprint of various form shelters, and combines its subpoint, so as to draw out the shadow occlusion face of object
Product, verifies the reasonability for removing shadow occlusion area and support installing space on various roofs in photovoltaic generating system design.
Description of the drawings
Fig. 1 is the structural representation of the skiametry instrument of the present invention；
Fig. 2 is the axonometric chart of the light source body of the present invention.
Specific embodiment
In order that present disclosure is easier to be clearly understood, below according to specific embodiment and accompanying drawing is combined, it is right
The present invention is described in further detail.
It is as follows the step of the method for skiametry, the method in a kind of photovoltaic system design：
(1) a skiametry instrument is provided, the skiametry instrument has the adjustable light source body of a direction of illumination；
(2) latitude according to object geographic location, declination angle and time period, obtain the altitude of the sun of the now sun
Angle and solar azimuth；
(3) keep skiametry instrument to be the level of state, and position tune is carried out relative to object to skiametry instrument
Section, makes the light source body of skiametry instrument be equal to solar azimuth relative to the azimuth of object, and its elevation angle is equal to the sun
Elevation angle, so as to the irradiation by light source body to object is modeled to irradiation of the sun to object；
(4) multiple key points at object edge are chosen；
(5) light source body is opened, and the direction of illumination to light source body is adjusted so as to irradiate each on each object
Key point, so as to obtain the corresponding subpoint of key point；
(6) projected footprint by reference to variously-shaped shelter the subpoint with reference to the object, so as to paint out
The shadow occlusion area of object.
As shown in Figure 1, 2, skiametry instrument also has angle scale 1, compass 2 and level indicator 3, level indicator 3 and guide
Pin 2 is installed on angle scale 1, and the edge part of angle scale 1 is carved with angle index line group 1-1 for indicating position angle, refers to
A certain angle index line on the due south direction alignment angle disk 1 of compass 2, and the angle index line is used as the ginseng of bearing null
Examine angle index line；In step (3), determine that by level indicator 3 skiametry instrument is the level of state, described light source body
Relative to azimuthal control method of object it is：By another angle index line on object alignment angle scale 1, it is ensured that should
Angle index line is equal to solar azimuth with the angle with reference to angle graduation mark.
As shown in Fig. 2 light source body be rotary infrared emitter, it include infrared emitter 4, head spheroid 5, rotary body 6,
Chassis 7, rotary body drive mechanism and head ball drive mechanism, chassis 7 are arranged on the center of angle scale 1, and rotary body 6 can revolve
It is bearing on chassis 7 with turning, head spheroid 5 is movably installed at the top of rotary body 6, infrared emitter 4 is arranged on head
On spheroid 5, rotary body drive mechanism driving rotating bodies 6 is rotated relative to chassis 7, and head ball drive mechanism drives head spheroid
5 is movable relative to rotary body 6.By rotating the spheroid coarse adjustment button 8 shown in Fig. 2, that is, by head ball drive mechanism
Position of the head spheroid 5 relative to rotary body 6 is adjusted, by rotating the rotary body control handle 9 shown in Fig. 2, that is, is passed through
Rotary body drive mechanism adjusts position of the rotary body 6 relative to chassis 7.
The operation principle of the present invention is as follows：
The method of the present invention makes light source body be arranged on the sun according to the sun altitude and solar azimuth of the sun for obtaining
Relative position, be the luminous of light source body by sun luminous-circuit, so as to irradiate object, referring again to various form shelters
Projected footprint, and combine its subpoint, so as to draw out the shadow occlusion area of object, checking photovoltaic generating system design
In various roofs the reasonability for removing shadow occlusion area and support installing space.
Particular embodiments described above, to present invention solves the technical problem that, technical scheme and beneficial effect carry out
Further describe, the be should be understood that specific embodiment that the foregoing is only the present invention is not limited to this
Invention, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included in this
Within bright protection domain.
Claims (1)
1. in a kind of design of photovoltaic system skiametry method, it is characterised in that it is as follows the step of the method：
(1) a skiametry instrument is provided, the skiametry instrument has the adjustable light source body of a direction of illumination；
(2) latitude according to object geographic location, declination angle and time period, obtain the now sun altitude of the sun and
Solar azimuth；
(3) keep skiametry instrument to be the level of state, and position adjustments are carried out relative to object to skiametry instrument, make
The light source body of skiametry instrument is equal to solar azimuth relative to the azimuth of object, and its elevation angle is equal to altitude of the sun
Angle, so as to the irradiation by light source body to object is modeled to irradiation of the sun to object；
(4) multiple key points at object edge are chosen；
(5) light source body is opened, and the direction of illumination to light source body is adjusted so as to which each irradiated on each object is crucial
Point, so as to obtain the corresponding subpoint of key point；
(6) projected footprint by reference to variously-shaped shelter the subpoint with reference to the object, so as to target of painting out
The shadow occlusion area of thing；
Wherein, described skiametry instrument also has angle scale (1), compass (2) and level indicator (3), level indicator (3) and refers to
Compass (2) is installed on angle scale (1), and the edge part of angle scale (1) is carved with the angle index line for indicating position angle
Group (1-1), a certain angle index line on due south direction alignment angle disk (1) of compass (2), and the angle index line are made
For the reference angle graduation mark of bearing null；In described step (3), skiametry instrument is determined by level indicator (3)
It is the level of state, described light source body relative to azimuthal control method of object is：By object alignment angle scale (1)
On another angle index line, it is ensured that the angle index line with reference to angle graduation mark angle be equal to solar azimuth；
Described light source body is rotary infrared emitter, and it includes infrared emitter (4), head spheroid (5), rotary body (6), bottom
Disk (7), rotary body drive mechanism and head ball drive mechanism, chassis (7) are installed in the center of angle scale (1), rotary body
(6) can be rotated to support on chassis (7), head spheroid (5) is movably installed at the top of rotary body (6), described is red
On head spheroid (5), rotary body drive mechanism driving rotating bodies (6) is rotated relative to chassis (7) in emission source (4),
Head ball drive mechanism drives head spheroid (5) relative to rotary body (6) activity.
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| CN201410447418.7A CN104165605B (en) | 2014-09-03 | 2014-09-03 | The method and its skiametry instrument of skiametry in photovoltaic system design |
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| CN104165605B true CN104165605B (en) | 2017-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105004284A (en) * | 2015-07-14 | 2015-10-28 | 河南科技大学 | Photoelectric tobacco leaf area measuring device |
| CN106441120A (en) * | 2016-08-26 | 2017-02-22 | 江苏楚汉新能源科技有限公司 | Method of measuring rippled edge peak of lithium battery pole piece |
| CN112272007B (en) * | 2020-10-30 | 2022-07-15 | 阳光新能源开发股份有限公司 | Method and device for determining influence of shelter on photovoltaic module |
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Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINASOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. |
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Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Tianhe Electronic Industrial Park Road 213022 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |