CN106155106A - Sun synchronous tracking device - Google Patents
Sun synchronous tracking device Download PDFInfo
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- CN106155106A CN106155106A CN201510164783.1A CN201510164783A CN106155106A CN 106155106 A CN106155106 A CN 106155106A CN 201510164783 A CN201510164783 A CN 201510164783A CN 106155106 A CN106155106 A CN 106155106A
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Abstract
The present invention provides sun synchronous tracking device, including embedded microprocessing unit, GPS unit, angle detection unit, communication unit, display unit, key control unit and execution driver element, embedded microprocessing unit is connected with GPS unit, GPS unit is connected with communication unit by angle detection unit, and communication unit is connected with key control unit and execution driver element successively by display unit.The sun synchronous tracking device of the present invention uses GPS longitude and latitude data, utilizes sun synchronous tracking algorithm to calculate theoretical sun angle position, by consuming software resource, saves the hardware cost following the tracks of device, and this tracking is not affected by Changes in weather etc.；It addition, when carrying out angular adjustment, this tracker introduces pid algorithm and realizes the accurate control following the tracks of angle, and control accuracy is high, good stability, improves the tracking effect following the tracks of device.
Description
Technical field
The present invention relates to solar synchronization tracking technical field, more specifically to a kind of sun synchronous tracking device.
Background technology
Solar energy is discharged huge nuclear energy by solar interior hydrogen atom generation hydrogen helium fusion and produces, from the spoke of the sun
Penetrate energy.
The overwhelming majority of necessary for human energy is all directly or indirectly from the sun.Plant by photosynthesis releasing oxygen,
Absorbing carbon dioxide, and solar energy is transformed into chemical energy stores in plant.Coal, oil, natural gas etc.
Fossil fuel is also to be developed, by the animals and plants being embedded in underground ancient times, the primary energy formed through very long geological epoch.The earth
The energy itself contained is often referred to the energy relevant with the heat energy of earth interior and the energy relevant with nuclear reaction.
The energy relevant with nuclear reaction nuclear energy just.Substantial amounts of energy can be discharged when nuclear structure changes,
It is referred to as atomic energy, is called for short nuclear energy, is commonly called as atomic energy.It then comes from uranium, the plutonium etc. stored in the earth's crust and occurs fission anti-
Seasonable nuclear fission energy resource, and the deuterium of storage in ocean, tritium, nuclear fusion energy resource time lithium etc. occurs fusion reaction.
These materials give off energy when there is nuclear reaction.The purposes that nuclear energy is maximum at present is generating.Further, it is also possible to
As other type of power source, thermal source etc..
Solar energy is the energy that solar interior continuously nuclear fusion reaction process produces.Average sun spoke on Earth's orbit
Penetrating intensity is 1,369w/m2.Terrestrial equator Zhou Changwei 40,076 km, thus can calculate, the energy that the earth obtains can
Reach 173,000TW.Typical peak intensity on sea level is 1kw/m2, the annual spoke of earth surface certain point 24h
Penetrating intensity is 0.20kw/m2, be equivalent to have 102, the energy of 000TW.
Tellurian wind energy, water energy, ocean thermal energy, wave energy and biomass energy are all derived from the sun；Even ground
Fossil fuel (such as coal, oil, natural gas etc.) on ball is the most also to have stored the solar energy got off since time immemorial,
So the scope included by the solar energy of broad sense is very big, the solar energy of narrow sense is then limited to the photo-thermal of solar radiant energy, photoelectricity
With photochemical direct conversion.
At present, known solar power system, after installation, solar panel can only be to a direction, when the sun is inclined
When with solar panel just pair moving on to, can be only achieved optimum efficiency, morning and afternoon daylight rate low, thus cause generating
Measure low.
Summary of the invention
Instant invention overcomes deficiency of the prior art, it is provided that a kind of sun synchronous tracking device.
The purpose of the present invention is achieved by following technical proposals.
Sun synchronous tracking device, including embedded microprocessing unit, GPS unit, angle detection unit, communication unit, shows
Show that unit, key control unit and execution driver element, described embedded microprocessing unit are connected with described GPS unit,
Described GPS unit is connected with described communication unit by described angle detection unit, and described communication unit is by described display
Unit is connected with described key control unit and described execution driver element successively, and its track algorithm processing procedure includes as follows
Step:
Step 1, microprocessor unit and GPS unit communication, obtain local longitude data and latitude number by " AT " instruction
According to.
Step 2, obtains current time, and calculates day of year N and parameter N of current time ', then according to formula θ=2 π
(N-N ')/365.2422 calculating day angles.
Step 3, after being computed correctly out day angle, by formula E=0.3723+23.2567sin θ+0.1149sin2 θ
-0.1712sin3 θ-0.758cos θ+0.3656cos2 θ+0.0201cos3 θ calculates declination angle.
Step 4, according to formula t=(S0-12) x15 calculates solar hour angle, wherein, S0For the true solar time.
Step 5, after above-mentioned 4 processes are computed correctly, according to h=arcsin (sinE*sin ψ+cosE*cos ψ * cost)
Calculate sun altitude and azimuth respectively with A=arcos [(sinh*sin ψ-sinE)/(cosh*cos ψ)], wherein ψ is
Local latitude numerical value.Finally obtained following the tracks of the theoretical deviation angle of device by β=arctan (sinA/tanh).
Described processing method obtains current solar theory angle position, utilizes single axis angular sensor, and by 4～20mA
Signal and AD gather and obtain the currently practical angle position following the tracks of device.
Tracking device current angular in claim 2 is adjusted by microprocessing unit by Position Form PID algorithm, control
Precision processed is not more than 0.05 °.
Driving the tracking angular range following the tracks of device is-120 °～120 °, and wherein, ground normal is 0 °.
Normal mode sun synchronous tracking device control tracking velocity be 0～2.5 °/min, during safe mode sun synchronization with
The tracking velocity that track device controls is not less than 28 °/min.
The invention have the benefit that the sun synchronous tracking device of the present invention uses GPS longitude and latitude data, utilize the sun same
Step track algorithm calculates theoretical sun angle position, by consuming software resource, saves the hardware cost following the tracks of device,
And this tracking is not affected by Changes in weather etc.；It addition, when carrying out angular adjustment, this tracker introduces PID and calculates
Method realizes the accurate control following the tracks of angle, and control accuracy is high, good stability, improves the tracking effect following the tracks of device.
Detailed description of the invention
Below by specific embodiment, technical scheme is further described.
Sun synchronous tracking device, including embedded microprocessing unit, GPS unit, angle detection unit, communication unit, shows
Showing unit, key control unit and execution driver element, embedded microprocessing unit is connected with GPS unit, and GPS unit is led to
Over-angle detector unit is connected with communication unit, and communication unit is driven with key control unit and execution successively by display unit
Moving cell is connected, and its track algorithm processing procedure comprises the steps:
Step 1, microprocessor unit and GPS unit communication, obtain local longitude data and latitude number by " AT " instruction
According to.
Step 2, obtains current time, and calculates day of year N and parameter N of current time ', then according to formula θ=2 π
(N-N ')/365.2422 calculating day angles.
Step 3, after being computed correctly out day angle, by formula E=0.3723+23.2567sin θ+0.1149sin2 θ
-0.1712sin3 θ-0.758cos θ+0.3656cos2 θ+0.0201cos3 θ calculates declination angle.
Step 4, according to formula t=(S0-12) x15 calculates solar hour angle, wherein, S0For the true solar time.
Step 5, after above-mentioned 4 processes are computed correctly, according to h=arcsin (sinE*sin ψ+cosE*cos ψ * cost)
Calculate sun altitude and azimuth respectively with A=arcos [(sinh*sin ψ-sinE)/(cosh*cos ψ)], wherein ψ is
Local latitude numerical value.Finally obtained following the tracks of the theoretical deviation angle of device by β=arctan (sinA/tanh).
Described processing method obtains current solar theory angle position, utilizes single axis angular sensor, and by 4～20mA
Signal and AD gather and obtain the currently practical angle position following the tracks of device.
Tracking device current angular in claim 2 is adjusted by microprocessing unit by Position Form PID algorithm, control
Precision processed is not more than 0.05 °.
Driving the tracking angular range following the tracks of device is-120 °～120 °, and wherein, ground normal is 0 °.
Normal mode sun synchronous tracking device control tracking velocity be 0～2.5 °/min, during safe mode sun synchronization with
The tracking velocity that track device controls is not less than 28 °/min.
The invention have the benefit that the sun synchronous tracking device of the present invention uses GPS longitude and latitude data, utilize the sun same
Step track algorithm calculates theoretical sun angle position, by consuming software resource, saves the hardware cost following the tracks of device,
And this tracking is not affected by Changes in weather etc.；It addition, when carrying out angular adjustment, this tracker introduces PID and calculates
Method realizes the accurate control following the tracks of angle, and control accuracy is high, good stability, improves the tracking effect following the tracks of device.
Above the present invention is done exemplary description, it should explanation, in the case of without departing from the core of the present invention,
Any simple deformation, amendment or other those skilled in the art can not spend the equivalent of creative work all to fall
Enter protection scope of the present invention.
Claims (5)
1. sun synchronous tracking device, it is characterised in that: include embedded microprocessing unit, GPS unit, angle detection unit,
Communication unit, display unit, key control unit and execution driver element, described embedded microprocessing unit and described GPS
Unit is connected, and described GPS unit is connected with described communication unit by described angle detection unit, and described communication unit leads to
Crossing described display unit to be connected with described key control unit and described execution driver element successively, its track algorithm processed
Journey comprises the steps:
Step 1, microprocessor unit and GPS unit communication, obtain local longitude data and latitude number by " AT " instruction
According to；
Step 2, obtains current time, and calculates day of year N and parameter N of current time ', then according to formula θ=2 π
(N-N ')/365.2422 calculating day angles；
Step 3, after being computed correctly out day angle, by formula E=0.3723+23.2567sin θ+0.1149sin2 θ
-0.1712sin3 θ-0.758cos θ+0.3656cos2 θ+0.0201cos3 θ calculates declination angle；
Step 4, according to formula t=(S0-12) x15 calculates solar hour angle, wherein, S0For the true solar time；
Step 5, after above-mentioned 4 processes are computed correctly, according to h=arcsin (sinE*sin ψ+cosE*cos ψ * cost)
Sun altitude and azimuth, wherein ψ is calculated respectively with A=arcos [(sinh*sin ψ-sinE)/(cosh*cos ψ)]
For local latitude numerical value.Finally obtained following the tracks of the theoretical deviation angle of device by β=arctan (sinA/tanh).
Sun synchronous tracking device the most according to claim 1, it is characterised in that: described processing method obtains the most too
Sun point of theory position, utilizes single axis angular sensor, and gathers acquisition tracking device by 4～20mA signals and AD
Currently practical angle position.
Sun synchronous tracking device the most according to claim 1, it is characterised in that: microprocessing unit passes through Position Form PID
Tracking device current angular in claim 2 is adjusted by algorithm, and control accuracy is not more than 0.05 °.
Sun synchronous tracking device the most according to claim 1, it is characterised in that: drive the tracking angle following the tracks of device
Scope is-120 °～120 °, and wherein, ground normal is 0 °.
Sun synchronous tracking device the most according to claim 1, it is characterised in that: normal mode sun synchronous tracking device
The tracking velocity controlled is 0～2.5 °/min, and the tracking velocity that during safe mode, sun synchronous tracking device controls is not less than 28 °
/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164783.1A CN106155106A (en) | 2015-04-08 | 2015-04-08 | Sun synchronous tracking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164783.1A CN106155106A (en) | 2015-04-08 | 2015-04-08 | Sun synchronous tracking device |
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| Publication Number | Publication Date |
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| CN106155106A true CN106155106A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510164783.1A Pending CN106155106A (en) | 2015-04-08 | 2015-04-08 | Sun synchronous tracking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774439A (en) * | 2016-12-08 | 2017-05-31 | 浙江科技学院 | Solar tracking bearing calibration and device based on solar motion rule and IMAQ |
-
2015
- 2015-04-08 CN CN201510164783.1A patent/CN106155106A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774439A (en) * | 2016-12-08 | 2017-05-31 | 浙江科技学院 | Solar tracking bearing calibration and device based on solar motion rule and IMAQ |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |
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| WD01 | Invention patent application deemed withdrawn after publication |