CN201725462U - Sunshine projection simulator of solar battery array - Google Patents
Sunshine projection simulator of solar battery array Download PDFInfo
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- CN201725462U CN201725462U CN2010202326313U CN201020232631U CN201725462U CN 201725462 U CN201725462 U CN 201725462U CN 2010202326313 U CN2010202326313 U CN 2010202326313U CN 201020232631 U CN201020232631 U CN 201020232631U CN 201725462 U CN201725462 U CN 201725462U
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Abstract
The utility model relates to a sunshine projection simulator of a solar battery array, which comprises an equator fixing plate, an hour angle turntable model plate, a battery array model plate, a geographical coordinate plane model plate and a parallel light source. The hour angle turntable model plate is arranged on the equator fixing plate and can rotate around a rotating shaft vertical to the equator fixing plate; the battery array model plate is arranged on the geographical coordinate plane model plate, the geographical coordinate plane model plate is arranged on the hour angle turntable model plate, the battery array model plate and the geographical coordinate plane model plate can rotate separately, and the rotating shafts of the battery array model plate and the geographical coordinate plane model plate are parallel; the geographical coordinate plane model plate and the battery array model plate rotate along with the hour angle turntable model plate; the included angle between the geographical coordinate plane model plate and the equator fixing plate is a latitudinal complementary angle of a place to be simulated, and the included angle between the battery array model plate and the geographical coordinate plane model plate is equivalent to the included angle between a battery panel and the ground in the place to be simulated; and the included angle between parallel light emitted by the parallel light source and the equator fixing plate is preset according to experimental requirements.
Description
Technical field
The utility model relates to a kind of sunlight shadow simulation device of solar array.
Background technology
For existing sand table model class device, be the fixed model under certain luminous environment.Sand table model projection as for activity only limits to the software simulation form, and is set for building function demonstration, does not have exact scale, not energy measurement etc.Obviously, both factors of consideration have nothing in common with each other.Similar only is model, and luminous environment difference, purpose are also different.One is demonstration, and another is metering.
The utility model content
The application provides a kind of novel device of simulated solar irradiation at the solar cell array projection that be used for.
This Design of device principle: the section coordinate of certain point on the earth is defined as the geographic coordinate plane, according to " vector algebra " mathematics correlation theories such as " how much of space analysis ", variation on the geographical coordinate plane of sun projection is considered to be a kind of result, and condition is as follows:
1, since the sun to the distance of the earth much larger than the ground bulb diameter and every day revolution of earth displacement, so shine tellurian sunlight every day and can regard parallel rays approx as.
2, measurement point is regarded the rotation of cartesian coordinate system as on the earth with the motion of the earth;
3, shining tellurian sunshine every day is directional light and absolute direction does not change with the motion (translation, rotation etc.) of the earth;
What 4, the rotation of cartesian coordinate system mentioned above can equivalence moves to the earth's core, and its true origin overlaps with the earth's core point.
5, in the Euclidean space, two planes that are parallel to each other also equate with respect to the variation of the angle of same parallel vectors under coaxial rotation.
This device supposition earth is spherical, and earth 's orbit is circular, and the sun is positioned at the center of circle; Revolution of earth speed is 30Km/s, and the light velocity is 300000Km/s.
A kind of sunlight shadow simulation device of solar array comprises the equator fixed head, hour angle rotating disk mould plate, battery row mould plate, geographic coordinate areal model plate and source of parallel light, described hour angle rotating disk mould plate is arranged on the fixed head of described equator, can wind the rotating shaft rotation perpendicular to the equator fixed head; Described battery row mould plate is arranged on the described geographic coordinate areal model plate, described geographic coordinate areal model plate is arranged on the hour angle rotating disk mould plate, and battery row mould plate and geographic coordinate areal model plate all can rotate separately, and both are parallel to each other in rotating shaft; Described geographic coordinate areal model plate and battery array mould plate rotate with hour angle rotating disk mould plate; Angle between described geographic coordinate areal model plate and the equator fixed head is the latitude complementary angle of institute analog site, and the angle equivalence between battery row mould plate and the geographic coordinate areal model plate is the inclination angle for the angle between analog site cell panel and the ground; Angle between directional light that described source of parallel light is sent and the equator fixed head is default according to requirement of experiment.
Further, described geographic coordinate areal model plate and described battery row mould plate rotate around same rotating shaft.
Further, described analogue means also comprises and drives hour angle rotating disk mould plate respectively, three stepper motors that battery row mould plate and geographic coordinate areal model plate rotate, the stepper motor that wherein drives hour angle rotating disk mould plate is arranged on the below of described equator fixed head, and described two stepper motors that are used to drive described battery array mould plate and geographic coordinate areal model plate are arranged on hour angle rotating disk mould plate.
Further, described hour angle rotating disk mould plate is the plectane that is provided with angle index.
Further, described geographic coordinate areal model plate is provided with the length scale.
Further, the material of described equator fixed head, hour angle rotating disk mould plate, battery row mould plate and geographic coordinate areal model plate is high precision acrylic or epoxy resin board.
Further, described hour angle rotating disk mould plate and rotation axis thereof, described geographic coordinate areal model plate and rotation axis thereof, described battery row mould plate and rotation axis thereof become one.
Further, the directional light and the angle between the fixed head of equator that send of described source of parallel light is 23.45 °.
Further, described moving hour angle rotating disk mould plate, described battery row mould plate and described geographic coordinate areal model plate are by driven in rotation manually.
The utility model is the first device of describing the solar battery array projection, intuitively reflects mutual spatial relationship and numerical value between array and its projection, can verify result of calculation, and is with strong points.Has certain precision.Its structure is simpler, easy to operate and can be used as teaching, visit, demonstration equipment.
Description of drawings
Fig. 1 is the utility model error of calculation synoptic diagram;
Fig. 2 is the sunlight shadow simulation device of solar array synoptic diagram;
Fig. 3 is the earth synoptic diagram that revolves around the sun;
Fig. 4 is the sunlight shadow simulation device of solar array vertical view;
Fig. 5 is the sunlight shadow simulation device of solar array synoptic diagram in the test.
Embodiment
Error analysis:
As shown in Figure 1, because the displacement that causes of revolution is much larger than earth radius,, do not consider that rotation rotates so only consider the translation V=30KM/S that revolves round the sun during the research error.And the propagation of error that revolution of earth causes on the angle after, just become an error angle ∠ AB, that is to say that light is not strict parallel, if generate electricity five hours daytime, distance 30 * 3600 * 5KM of moving of revolution of earth during this time, the sun 11 is got 8.5 * 60 * 300000KM apart from the distance of the earth 12 among the figure, before and after moving between 2 camber line be ∠ AB to the angle of the sun; ∠ AB is the parallel sunlight offset error before and after hour angle rotates, and actual conditions such as caption show have as calculated: ∠ AB=0.00353 radian is about 0.2 degree.
Above angular error has been transmitted into projection error and promptly has been not more than in the error that projecting direction causes after projection:
| SINx | because 0＜| x |＜＜1, therefore have: | SINx | ≈ | x |.
So estimated projection error maximum is about: 0.35%.
As shown in Figure 2, sunlight shadow simulation device of solar array, comprise equator fixed head 1, hour angle rotating disk mould plate 2, battery row mould plate 3 and geographic coordinate areal model plate 4, source of parallel light 5, drive the stepper motor 6 of described hour angle rotating disk mould plate and drive geographical coordinate plane mould plate respectively and two stepper motors 7 of battery row mould plate, hour angle rotating disk mould plate 2 is for being arranged on the disk that has angle index on the equator fixed head 1, can under the driving that is arranged at the stepper motor 6 below the equator fixed head 1, rotate around it the axle rotation, also can be by driving its rotation manually; The rotating shaft of hour angle rotating disk mould plate 2 is perpendicular to the plane at equator fixed head 1 place.Described hour angle rotating disk mould plate 2, battery row mould plate 3 and geographic coordinate areal model plate 4 all have the metering corner, the function that the school zero-sum is fixing.Hour angle rotating disk mould plate 2 high scale units are 15 ° in the present embodiment, the angle that turned over of hour angle rotating disk mould plate per hour in the representative experiment, and scale unit also can experimental specific requirement setting.
Geographic coordinate areal model plate 4 is for it is provided with the flat board of length scale, and geographic coordinate areal model plate 4 and rotating shaft thereof are arranged on the hour angle rotating disk mould plate 2, and geographic coordinate areal model plate 4 rotates around its rotating shaft with hour angle rotating disk mould plate; Battery row mould plate 3 and rotating shaft thereof are arranged on the geographic coordinate areal model plate 4, and battery row mould plate 3 is the zero place of length scale on the geographic coordinate areal model plate 4 with the intersection of geographic coordinate areal model plate 4.Geographic coordinate areal model plate 4 and battery row mould plate 3 can relatively independently rotate, and both rotating shafts are parallel to each other or preferably are integrated into same rotating shaft 9.During measurement, can with geographic coordinate areal model plate 4 around its rotating shaft rotate to and hour angle rotating disk mould plate 2 between angle be the position of α, this angle is the latitude complementary angle in the place of being simulated, with battery row mould plate 3 around its rotating shaft rotate to and geographic coordinate areal model plate 4 between the position of angle β, this angle is the cell panel in the place of being simulated and the angle between the ground; The turned position of geographic coordinate areal model plate 4 and battery row mould plate 3 can be separately positioned on the hour angle rotating disk mould plate 2 or the stepper motor 7 of other positions drives by two, also can be by being provided with manually.
The material of equator fixed head 1, hour angle rotating disk mould plate 2, battery row mould plate 3 and geographic coordinate areal model plate 4 be lightweight, level and smooth, be convenient to bore, cut, grind, mill, car, impact machine adds and have the metal or the nonmetallic materials of certain degree of hardness, for example: high precision acrylic or epoxy resin board.
As shown in Figure 3: well-known because solar power station build a station in cell panel each other, with other object between often generation sunlight block, the C position is an earth tracing point in Winter Solstice among the figure concerning the Northern Hemisphere.This day the sun all minimum at sky meta horizontalization, solar panel blocks maximum mutually, so, as shown in Figure 2, the sunshine (23.45 ° of helvolus angles) on 5 simulation same day in Winter Solstice of source of parallel light in the utility model in the analogue means.Source of parallel light 5 is arranged on battery row mould plate one side, and with its at a distance of certain distance, the directional light that is sent by source of parallel light 5 is the angle of presetting according to requirement of experiment with the angle between the equator fixed head 1, is 23.45 ° of helvolus angles in the present embodiment.
Shown in Fig. 4,5, the utility model is considered the 3 hour period situation in front and back at high noon in Winter Solstice, then is made as 2.5 hours for example.Amount to the position angle and be-37.5 ° to+37.5 ° scopes.So in simulation process, hour angle rotating disk mould plate will turn over 75 °.
1, this analogue means is set to original state:
The angle that system is arranged on the pairing hour angle rotating disk of the meridian hour state mould plate 2 is 0 °, when the time comes by computer control step motor or manually with the model support dish ▲ mark with the time angle model rotating disk ▲ mark and align; The source of parallel light angle is fixed by optic angle instrument or the adjustment of protractor (not shown), and to make light and equatorial plane fixed head face angle be helvolus angle or say 23.45 ° at declination angle.
2, the angle of latitude on simulation ground and cell panel inclination angle state are provided with:
Set latitude complementary angle (latitude complementary angle=90 °-angle of latitude), (angle of latitude of analog site can be inquired about according to data) by computer control geographic coordinate areal model plate stepper motor or manual measurement.The cell panel inclination angle can draw according to correlation computations, sets by battery row mould plate stepper motor or manual measurement and realizes.
3, the hour angle state is provided with:
As requested the illumination working time is converted into hour angle ψ at interval, sets hour angle according to result of calculation and by hour angle (position angle) rotaty step motor or manual measurement.Then open source of parallel light.
4, obtain result's checking:
By shown in Figure 4, observe and read battery row mould plate, in time record at geographic coordinate areal model plate projection 8 coordinates (according to printing scale in advance).And according to formula
Wherein:
Distance between the D---solar cell array is single
H---solar cell array height
23.45 ° of δ-declination angle constant
φ-solar cell is installed the latitude on ground
ψ-earth rotation angle, i.e. hour angle.Surrounding time angle contrast at high noon: front and back 1 hour were that 30 °, front and back 2 hours were 60 ° ...
It is long to calculate the projection that solar cell array is set on this ground.
By above-mentioned steps, through relatively, can draw the arbitrary by day generating dutation point in analog site, the relation of cell panel shelter height and projection can actually compare with the Theoretical Calculation result.
Claims (9)
1. sunlight shadow simulation device of solar array, it is characterized by: comprise the equator fixed head, hour angle rotating disk mould plate, battery row mould plate, geographic coordinate areal model plate and source of parallel light, described hour angle rotating disk mould plate is arranged on the fixed head of described equator, can wind the rotating shaft rotation perpendicular to the equator fixed head; Described battery row mould plate is arranged on the described geographic coordinate areal model plate, described geographic coordinate areal model plate is arranged on the hour angle rotating disk mould plate, and battery row mould plate and geographic coordinate areal model plate all can rotate separately, and both are parallel to each other in rotating shaft; Described geographic coordinate areal model plate and battery array mould plate rotate with hour angle rotating disk mould plate; Angle between described geographic coordinate areal model plate and the equator fixed head is the latitude complementary angle of institute analog site, and the angle equivalence between battery row mould plate and the geographic coordinate areal model plate is the inclination angle for the angle between analog site cell panel and the ground; Angle between directional light that described source of parallel light is sent and the equator fixed head is default according to requirement of experiment.
2. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: described geographic coordinate areal model plate and described battery row mould plate rotate around same rotating shaft.
3. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: described analogue means also comprises and drives hour angle rotating disk mould plate respectively, three stepper motors that battery row mould plate and geographic coordinate areal model plate rotate, the stepper motor that wherein drives hour angle rotating disk mould plate is arranged on the below of described equator fixed head, and described two stepper motors that are used to drive described battery array mould plate and geographic coordinate areal model plate are arranged on hour angle rotating disk mould plate.
4. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: described hour angle rotating disk mould plate is the plectane that is provided with angle index.
5. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: described geographic coordinate areal model plate is provided with the length scale.
6. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: the material of described equator fixed head, hour angle rotating disk mould plate, battery row mould plate and geographic coordinate areal model plate is high precision acrylic or epoxy resin board.
7. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: described hour angle rotating disk mould plate and rotation axis thereof, described geographic coordinate areal model plate and rotation axis thereof, described battery row mould plate and rotation axis thereof become one.
8. according to sunlight shadow simulation device of solar array described in the claim 1, it is characterized by: 23.45 ° of the angles between directional light that described source of parallel light is sent and the equator fixed head.
9. according to the described sunlight shadow simulation device of solar array of claim 1, it is characterized by: described moving hour angle rotating disk mould plate, described battery row mould plate and described geographic coordinate areal model plate all can be by driven in rotation manually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202326313U CN201725462U (en) | 2010-06-12 | 2010-06-12 | Sunshine projection simulator of solar battery array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202326313U CN201725462U (en) | 2010-06-12 | 2010-06-12 | Sunshine projection simulator of solar battery array |
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| Publication Number | Publication Date |
|---|---|
| CN201725462U true CN201725462U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202326313U Expired - Fee Related CN201725462U (en) | 2010-06-12 | 2010-06-12 | Sunshine projection simulator of solar battery array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165605A (en) * | 2014-09-03 | 2014-11-26 | 常州天合光能有限公司 | Shadow measuring method in photovoltaic system design and shadow measuring instrument thereof |
-
2010
- 2010-06-12 CN CN2010202326313U patent/CN201725462U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165605A (en) * | 2014-09-03 | 2014-11-26 | 常州天合光能有限公司 | Shadow measuring method in photovoltaic system design and shadow measuring instrument thereof |
| CN104165605B (en) * | 2014-09-03 | 2017-03-29 | 常州天合光能有限公司 | The method and its skiametry instrument of skiametry in photovoltaic system design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RAYSPOWER NEW ENERGY CO., LTD. Free format text: FORMER OWNER: CHINASEASUN (BEIJING) NEW ENERGY POWER CO., LTD. Effective date: 20110510 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 102200 NO. 18, FUKANG ROAD, SCIENCE AND TECHNOLOGY PARK, CHANGPING DISTRICT, BEIJING TO: 102200 NO. 17, CHAOQIAN ROAD, SCIENCE AND TECHNOLOGY PARK, CHANGPING DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110510 Address after: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee after: RAYSPOWER NEW ENERGY Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park Fukang Road No. 18 Patentee before: Rayspower New Energy Co., Ltd. |
|
| 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20180612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |