CN106781914A - A kind of solar cell photoelectric properties demonstrator - Google Patents
A kind of solar cell photoelectric properties demonstrator Download PDFInfo
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- CN106781914A CN106781914A CN201611255392.1A CN201611255392A CN106781914A CN 106781914 A CN106781914 A CN 106781914A CN 201611255392 A CN201611255392 A CN 201611255392A CN 106781914 A CN106781914 A CN 106781914A
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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Abstract
The present invention discloses a kind of solar cell photoelectric properties demonstrator.The demonstrator includes：Light source, fixed mount, solar cell grillage, solar cell, cell panel rotation dish, angle measuring gauge, protractor, measuring instrument；The fixed mount utilizes light source described in they sup-port；The light source is with the solar cell in the same horizontal line；Rotating shaft is installed on the fixed mount；The solar cell grillage is supported by the rotating shaft；The rotating shaft is cased with cell panel rotation dish；The angle measuring gauge is fixed with the cell panel rotation dish；The both sides of the solar cell are fixed using rotating shaft is overturn with the solar cell grillage；The protractor is fixed on the side of the solar cell grillage vertically；The solar cell is connected with the test side of the measuring instrument；The current receiv end of the light source is connected with the current output terminal of the measuring instrument.Influence factor to photoelectric conversion efficiency of the solar battery can show that using demonstrator of the invention.
Description
Technical field
The present invention relates to solar cell field, more particularly to a kind of solar cell photoelectric properties demonstrator.
Background technology
Solar cell is based on photovoltaic effect -- when illumination is mapped to solar cell, solar cell absorbs luminous energy, and will be inhaled
The energy of the photon of receipts is converted into the device of electric energy, and solar cell switching current and irradiation luminous intensity, the close phase of environment temperature
Close.Solar cell photoelectric properties demonstrator, simulated solar height, azimuthal variation, incident light frequency change (different color light) is raised
The changes in environmental conditions phenomenons such as dirt weather, rainy and temperature change, change illuminance, the environment temperature of solar cell, display
The change of switching current, to demonstrate the relation of solar cell switching current and light intensity.Existing equipment THQTN-1 type solar cells
Characteristic test experiment instrument, DH6521A multifunctional solar battery tester for overall characteristic etc., measure in certain light intensity radiation parameter
Under, testing solar battery open-circuit voltage, short circuit current, peak power output, fill factor, curve factor, conversion efficiency etc., but can not show
Go out the relation of light intensity and solar cell switching current, the factor of influence solar cell conversion efficiency can not be shown.
The content of the invention
It is an object of the invention to provide a kind of solar cell photoelectric properties demonstrator, light intensity and the sun can be quickly shown
The relation of battery switching current, and show the factor of influence photoelectric conversion efficiency of the solar battery.
To achieve the above object, the invention provides following scheme：
A kind of solar cell photoelectric properties demonstrator, including：Light source, fixed mount, solar cell grillage, solar cell, electricity
Pond plate rotation dish, angle measuring gauge, protractor, measuring instrument；
The fixed mount utilizes light source described in they sup-port；The light source is mutually perpendicular to the support bar；
The light source is with the solar cell in the same horizontal line；Between the light source and the solar cell grillage
Distance is predeterminable range；
Rotating shaft is installed on the fixed mount；
The solar cell grillage is supported by the rotating shaft；
The rotating shaft is cased with cell panel rotation dish, for rotating the solar cell grillage；
The angle measuring gauge is fixed with the cell panel rotation dish；The angle measuring gauge does not turn with the cell panel
Moving plate is rotated；
The both sides of the solar cell are fixed using rotating shaft is overturn with the solar cell grillage；
The protractor is fixed on the side of the solar cell grillage vertically；Upset for measuring the solar cell
Angle；0 point of the protractor overlaps with the upset rotating shaft；
The solar cell is arranged in the solar cell heating plate；
Four drift angles of the solar cell are respectively provided with light-sensitive element；
The light-sensitive element is connected with the test side of the measuring instrument；
The solar cell is connected with the test side of the measuring instrument；
The current receiv end of the light source is connected with the current output terminal of the measuring instrument.
Optionally, also include：Source of the gas, water tank, dust tank, gas circuit change-over switch, barometric damper；
The source of the gas is connected using the first tracheae with the water tank；
The source of the gas is connected using the second tracheae with the dust tank；
The source of the gas is connected using the gas circuit change-over switch with first tracheae and the second tracheae；
There is the barometric damper between the source of the gas and the gas circuit change-over switch.
Optionally, also include：Spray thrower, dust jet pipe；
The water tank is connected with the spray thrower；
The dust tank is connected with the dust jet pipe；
The spray thrower and the dust jet pipe are arranged on the top of the solar cell.
Optionally, there is N number of spray hole on the spray thrower, there is N number of sprayed from ducts hole on the dust jet pipe.
Optionally, the light source is made up of multiple light emitting diodes, and with N rows, often arranging has N number of light emitting diode；
The light emitting diode has multiple color, and the color of each row is identical, and the color sequences of continuous N rows repeat to arrange
Row.
Optionally, the measuring instrument, specifically includes：
The measuring instrument is built-in with measurement parameter change-over switch, source current regulating valve, light source changeover switch；
The measuring instrument outside has solar cell parameter display screen, source current display screen；
The source current regulating valve is electrically connected by circuit of light sources with the light source, for adjusting source current, by institute
The regulated value for stating source current shows in the source current display screen；
The light source conversion is opened the light and is electrically connected with the light source by the circuit of light sources, and the smooth source changeover switch is used for
Adjust the color of the light source.
Optionally, the test side specifically includes：
Current detecting end, voltage detecting end, intensity of illumination test side, change-over switch；
The change-over switch is arranged in the current detecting end, the voltage detecting end and the intensity of illumination test side
Between position, for switching the current detecting end, the voltage detecting end and the intensity of illumination test side.
Optionally, the cell panel rotation dish can be rotated with the range of the rotating shaft in the horizontal direction 0-90 °.
Optionally, the solar cell can be with upset in the range of 0-90 ° of the upset rotating shaft in the vertical direction.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：The present invention is by changing too
The horizontal rotation angle in positive electricity pond and vertical flip angle, when can show that solar cell is in different angles, different rotary
Influence of the angle to photoelectric transformation efficiency, additionally it is possible to which influence and light of the light intensity to photoelectric transformation efficiency are measured by light-sensitive element
The relation of the strong switching current and solar cell between.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is embodiment of the present invention solar cell photoelectric properties demonstrator structure schematic diagram；
Fig. 2 is embodiment of the present invention another kind solar cell photoelectric properties demonstrator structure schematic diagram；
Fig. 3 is the structural representation of embodiment of the present invention spray thrower and dust jet pipe；
Fig. 4 is the light source figure of embodiment of the present invention light source LED.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of solar cell photoelectric properties demonstrator, influence opto-electronic conversion effect is can show that
The factor of rate, and can show that the relation of light intensity and solar cell switching current.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Fig. 1 is embodiment of the present invention solar cell photoelectric properties demonstrator structure schematic diagram, as shown in figure 1, a kind of sun
Cell photoelectric performance demonstration instrument, including：Light source 101, fixed mount 102, solar cell grillage 103, solar cell 104, cell panel
Rotation dish 105, angle measuring gauge 106, protractor 107, measuring instrument 108；
The fixed mount 102 supports the light source 101 using support bar 1021；The light source 101 and the support bar
1021 are mutually perpendicular to；
The light source 101 is with the solar cell 104 in the same horizontal line；The light source 101 and the solar cell
The distance between grillage 103 is predeterminable range；
Rotating shaft is installed on the fixed mount 102；
The solar cell grillage 103 is supported by the rotating shaft；
The rotating shaft is cased with the cell panel rotation dish 105, for rotating the solar cell grillage 103；
The angle measuring gauge 106 is fixed with the cell panel rotation dish 105；The angle measuring gauge 106 is not with institute
Cell panel rotation dish 105 is stated to rotate；
The both sides utilization of the solar cell 104 overturns rotating shaft and is fixed with the solar cell grillage 103；
The protractor 107 is fixed on the side of the solar cell grillage 103 vertically；For measuring the solar cell
104 flip angle；0 point of the protractor 107 overlaps with the upset rotating shaft；
The solar cell 104 is arranged in the solar cell heating plate 1041；
Four drift angles of the solar cell 104 are respectively provided with light-sensitive element；The light-sensitive element can induce described
The light intensity degree of solar cell 104；
The light-sensitive element is connected with the test side of the measuring instrument 108；
The solar cell 104 is connected with the test side of the measuring instrument 108；
The current receiv end of the light source 101 is connected with the current output terminal of the measuring instrument 108.
Using above-mentioned solar cell photoelectric properties demonstrator, can measure when solar cell is in the difference of light source irradiation
When conversion angle, different temperatures and different light intensity degree, the influence to solar cell photoelectricity transfer efficiency is shown.
In actual application, Fig. 2 is that embodiment of the present invention another kind solar cell photoelectric properties demonstrator structure shows
It is intended to, as shown in Fig. 2 the system also includes：Source of the gas 201, gas circuit change-over switch 202, barometric damper 203, water tank 204,
Dust tank 205；
The source of the gas 201 is connected using the first tracheae 2011 with the water tank 204；
The source of the gas 201 is connected using the second tracheae 2012 with the dust tank 205；
The source of the gas 201 is connected using the gas circuit change-over switch 202 with the tracheae 2012 of first tracheae 2011 and second
It is logical；
There is the barometric damper 203 between the source of the gas 201 and the gas circuit change-over switch 202.
In actual application, also include：Spray thrower 2041, dust jet pipe 2051；
The water tank 204 is connected with the spray thrower 2041；Between the water tank 204 and the spray thrower 2041
Connected using tracheae；
The dust tank 205 is connected with the dust jet pipe 2051；The dust tank 205 and the dust jet pipe 2051
Between using tracheae connect；
The spray thrower 2041 and the dust jet pipe 2051 are arranged on the top of the solar cell 104；The spray
Device 2041 and the dust jet pipe 2051 are mounted side by side on the supporting plate, and the supporting plate is arranged on the solar cell grillage
On 103；
The sprinkling aperture of the spray thrower 2041 can be 0.1mm, and the sprinkling aperture of the dust jet pipe 2051 can be
0.5mm。
" rainy " or " airborne dust " environment can be simulated using above-mentioned demonstrator of the invention, additionally it is possible under controlling simulation of air flow
Rain, airborne dust degree, so as to show the influence under the conditions of varying environment to photoelectric conversion efficiency of the solar battery.
In actual application, there is N number of spray hole 2042, on the dust jet pipe 2051 on the spray thrower 2041
With N number of sprayed from ducts hole 2043.Fig. 3 is the structural representation of embodiment of the present invention spray thrower and dust jet pipe, such as Fig. 3 institutes
Show.
In actual application, the light source 101 is made up of multiple light emitting diodes, and with N rows, often arranging has N number of hair
Optical diode；
The light emitting diode has multiple color, and the color of each row is identical, and the color sequences of continuous N rows repeat to arrange
Row；Color can be white light, feux rouges, gold-tinted, green glow, blue light, and Fig. 4 is the light source of embodiment of the present invention light source LED
Figure, as shown in figure 4, a represents white light, b represents feux rouges, and c represents gold-tinted, and d represents green glow, and e represents blue light, and light source colour can pass through
Light source changeover switch is adjusted.
Can show that light emitting diode described in different colours irradiates solar cell to opto-electronic conversion using above-mentioned demonstrator
The influence of efficiency.
In actual application, the measuring instrument 108 is specifically included：
The measuring instrument 108 is built-in with measurement parameter change-over switch 1081, the conversion of source current regulating valve 1082, light source and opens
Close 1083；
The outside of the measuring instrument 108 has the solar cell parameter display screen 1084, source current display screen 1085；
The source current regulating valve 1082 is electrically connected by circuit of light sources with the light source 101, for adjusting light source electricity
Stream, the regulated value of the source current is shown in the source current display screen 1085；
The smooth source changeover switch 1083 is electrically connected by the circuit of light sources with the light source 101, the light source conversion
Switch 1083 is used to adjust the color of the light source 101.
In actual application, the test side specifically includes：
Current detecting end, voltage detecting end, intensity of illumination test side, change-over switch；
The change-over switch is arranged in the current detecting end, the voltage detecting end and the intensity of illumination test side
Between position, for switching the current detecting end, the voltage detecting end and the intensity of illumination test side.
In actual application, the cell panel rotation dish 105 can be with 0-90 ° in the horizontal direction of the rotating shaft
In the range of rotate.
In actual application, the solar cell 104 can be with the model of 0-90 ° of the upset rotating shaft in the vertical direction
Enclose interior upset.
In embodiments of the present invention, measuring instrument used by solar cell photoelectric properties demonstrator is made up of two modules, module 1
It is source current control, display circuit, using common voltage, current control circuit.
Module 2 is used for solar cell opto-electronic conversion electric current, voltage, intensity of illumination, temperature sensor measurement and display, photoelectricity
Switching current shows with intensity of illumination, temperature variation curve.
Module 2 converts analog signals into data signal using analog-digital converter, and data signal then is passed through into single-chip microcomputer
Display is on a display screen.And then the open-circuit voltage and short circuit current of solar panel can be drawn.Due to the number of voltage and current
Level is different, if can not be shown according to reality output measured value simultaneously, cannot also measure voltage, so in design circuit
When in order to allow display screen while show voltage and current, electric current display output is just amplified 5 times.
D.C mutual-inductor, bridge rectifier, filter unit, A/D converter, single-chip microcomputer and display mould are used in this module
Block is constituted.Overall structure is data by after D.C mutual-inductor, bridge rectifier, wave filter, A/D converter treatment, sending
To single-chip microcomputer, the single-chip microcomputer transmits data to display module again.
Principle：Due to solar energy produce be alternating current need by D.C mutual-inductor step-down obtain being input into tested voltage into
The ac voltage of ratio, the DC voltage value proportional to input is obtained by rectifying and wave-filtering.It is converted into by A/D conversion chips
Corresponding numerical quantities, then send single-chip microcomputer to and carry out data processing, the data display that then will be measured by display module is out.
Current measurement module
This module is made up of current sensor, A/D converter, single-chip microcomputer and display module.Data are by current sense
Single-chip microcomputer is passed to after device, A/D converter, then there is single-chip microcomputer to send data to display module.
Principle：Current sensor is connected the analog quantity for obtaining electric current with circuit-under-test, is converted into accordingly by A/D conversion chips
Numerical quantities, then give single-chip microcomputer by the data after conversion and carry out data processing, the number after then having been processed by display module
According to showing.
The measurement of power
According to measured voltage and the data of electric current, further according to rating formula：P=UI, so that it may to know power
Numerical value.The design is mainly the magnitude of voltage for collecting machine with monolithic and is calculated automatically according to rating formula with current value
The numerical value of power, is then shown the numerical value of power by display module.
Conversion efficiency
The energy conversion efficiency η of solar cell represents incident solar energy, and how many can be converted to effective electricity
Energy.η=(sun luminous power of the peak power output/incidence of solar cell) x100%=[(Voc*Isc/Pin*s)]
X100% wherein Pin are the energy densities of incident light, and S is the area of solar cell, Voc open-circuit voltages, Isc closed currents,
FF fill factor, curve factors (should be between 0.70-0.85).The voltmeter that the design is mainly designed by measures the sun with ammeter
Can the battery open-circuit voltage Voc that is changed and short circuit current Isc it is known that the peak power output of solar cell, then
The generating area S of solar energy and the energy density of incident light are calculated, such that it is able to know the sun luminous power of incidence, and then
Calculate the conversion efficiency of solar cell.This process is realized by mcu programming.
The relation of transfer efficient and temperature
Because the solar panel of the design has transferred heating plate, purpose is exactly to study temperature and using conversion efficiency
Between relation.Realizing the circuit module of this function includes temperature sensor, and single-chip microcomputer, temperature sensor described in display module will
To single-chip microcomputer, the single-chip microcomputer is sent to display module to data transfer after processing data.Principle：By temperature sensor
Temperature to heating plate is acquired, and the data that will be collected are given single-chip microcomputer and carry out data processing, then display module shows again
Out, observation is with the change of temperature, the situation of change of conversion efficiency.
Influence of the rainy day to conversion efficiency
This part research circuit includes Raindrop sensor, and A/D converter, single-chip microcomputer, display module, data are passed by raindrop
Single-chip microcomputer is passed to after sensor, A/D converter treatment, then display module is sent data to by the single-chip microcomputer.
Principle：The analog quantity of the rainfall collected according to Raindrop sensor, corresponding numerical value is converted into by A/D conversion chips
Measuring, then give single-chip microcomputer by the data after conversion carries out data processing, the data display after then having been processed by display module
Out.And by showing the variation relation of observation rainfall and conversion efficiency.
Influence of the dust weather to conversion efficiency
Study this factor has to the circuit module involved by the conversion efficiency of solar energy：Dust sensor, A/D converter,
Single-chip microcomputer, display module.Data pass to single-chip microcomputer after dust sensor, A/D converter are processed, then by the single-chip microcomputer
Send data to display module.
Principle：According to the dust analog quantity that dust sensor is collected, corresponding numerical value is converted into by A/D conversion chips
Measuring, then give single-chip microcomputer by the data after conversion carries out data processing, the data display after then having been processed by display module
Out.And by showing the variation relation of observation dust and conversion efficiency.
Influence of the different color light to conversion efficiency
The research circuit of this part mainly includes changing optical module, current regulating module, illuminance sensor, single-chip microcomputer and
LABVIEW host computers, illuminance sensor transfers data to single-chip microcomputer, and single-chip microcomputer is adjusted with optical module, host computer, electric current is changed
Data interaction is carried out between module.
In order to be further understood that the technical scheme of solar cell photoelectric properties demonstrator of the present invention, by side used below
Method is described in detail：
1. solar cell short circuit current, open-circuit voltage, conversion efficiency measurement
(1) solar panel is just to light source, vertically placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；The solar panel is solar cell.
(2) light source changeover switch is put " white light "；
(3) measuring instrument change-over switch puts " electric current ", and it is short to measure solar cell from measuring instrument " solar cell parameter display screen "
Road electric current；
(4) measuring instrument change-over switch puts " voltage ", measures solar cell from measuring instrument " solar cell parameter display screen " and opens
Road voltage；
(5) measuring instrument change-over switch puts " efficiency ", and measuring solar cell from measuring instrument " solar cell parameter display screen " turns
Change efficiency.
2. the measurement that altitude of the sun influences on solar cell short circuit current, open-circuit voltage, conversion efficiency
(1) solar panel is just to light source, vertically placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source changeover switch is put " white light "；
(3) solar cell angle (0,5 °, 15 °, 25 °, 35 ° of the solar cell grillage protractor number of degrees) is changed, from measuring instrument
" solar cell parameter display screen " measures corresponding solar cell conversion efficiency respectively；
3. the measurement that solar azimuth influences on solar cell short circuit current, open-circuit voltage, conversion efficiency
(1) solar panel is just to light source, vertically placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source changeover switch is put " white light "；
(3) solar cell azimuth (0,5 °, 15 °, 25 °, 35 ° of solar cell grillage azimuth reading scale number) is changed,
Corresponding solar cell conversion efficiency is measured respectively from measuring instrument " solar cell parameter display screen ".
4. the measurement that environment temperature influences on solar cell short circuit current, open-circuit voltage, conversion efficiency
(1) solar panel is just to light source, vertically placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source changeover switch is put " white light "；
(3) solar cell heating plate power switch is opened；
(4) the corresponding solar cell conversion effect of different temperatures is measured respectively from measuring instrument " solar cell parameter display screen "
Rate.
5. the measurement that rainy, airborne dust weather influences on solar cell short circuit current, open-circuit voltage, conversion efficiency
(1) solar panel is just to light source, vertically placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source changeover switch is put " white light "；
(3) gas source switch is opened, " rainy " or " airborne dust " environment is simulated by air valve selecting switch, by Air Valve Control gas
Flow field simulation rains, airborne dust degree；
(4) measure the solar cell under the conditions of varying environment respectively from measuring instrument " solar cell parameter display screen " and change effect
Rate.
6. the measurement that different color light influences on solar cell short circuit current, open-circuit voltage, conversion efficiency
(1) solar panel is just to light source, vertically placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source changeover switch is put " white light "；
(3) by light source changeover switch, different color light is selected respectively；
(4) measured by light sensor and control to reach identical irradiation level by the source current of module 1；
(5) sun electricity when coloured light (identical irradiation level) irradiates is measured respectively from measuring instrument " solar cell parameter display screen "
Pond conversion efficiency.
Description more than to solar cell photoelectric properties demonstrator of the invention, can learn that the demonstrator can show
The factors pair such as varying environment, different colours illumination, different temperatures, the different angles of solar cell and different light intensity degree are shown
The influence of photoelectric conversion efficiency of the solar battery.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, foundation
Thought of the invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of solar cell photoelectric properties demonstrator, it is characterised in that including：Light source, fixed mount, solar cell grillage, too
Positive electricity pond, cell panel rotation dish, angle measuring gauge, protractor, measuring instrument；
The fixed mount utilizes light source described in they sup-port；The light source is mutually perpendicular to the support bar；
The light source is with the solar cell in the same horizontal line；The distance between the light source and the solar cell grillage
It is predeterminable range；
Rotating shaft is installed on the fixed mount；
The solar cell grillage is supported by the rotating shaft；
The rotating shaft is cased with cell panel rotation dish, for rotating the solar cell grillage；
The angle measuring gauge is fixed with the cell panel rotation dish；The angle measuring gauge is not with the cell panel rotation dish
Rotate；
The both sides of the solar cell are fixed using rotating shaft is overturn with the solar cell grillage；
The protractor is fixed on the side of the solar cell grillage vertically；Flip angle for measuring the solar cell
Degree；0 point of the protractor overlaps with the upset rotating shaft；
The solar cell is arranged in the solar cell heating plate；
Four drift angles of the solar cell are respectively provided with light-sensitive element；
The light-sensitive element is connected with the test side of the measuring instrument；
The solar cell is connected with the test side of the measuring instrument；
The current receiv end of the light source is connected with the current output terminal of the measuring instrument.
2. demonstrator according to claim 1, it is characterised in that also include：Source of the gas, water tank, dust tank, gas circuit conversion
Switch, barometric damper；
The source of the gas is connected using the first tracheae with the water tank；
The source of the gas is connected using the second tracheae with the dust tank；
The source of the gas is connected using the gas circuit change-over switch with first tracheae and the second tracheae；
There is the barometric damper between the source of the gas and the gas circuit change-over switch.
3. demonstrator according to claim 2, it is characterised in that also include：Spray thrower, dust jet pipe；
The water tank is connected with the spray thrower；
The dust tank is connected with the dust jet pipe；
The spray thrower and the dust jet pipe are arranged on the top of the solar cell.
4. demonstrator according to claim 3, it is characterised in that there is N number of spray hole, the dust on the spray thrower
There is N number of sprayed from ducts hole on jet pipe.
5. demonstrator according to claim 1, it is characterised in that the light source is made up of multiple light emitting diodes, with N
Row, often arranging has N number of light emitting diode；
The light emitting diode has multiple color, and the color of each row is identical, the color sequences repeated arrangement of continuous N rows.
6. demonstrator according to claim 1, it is characterised in that the measuring instrument, specifically includes：
The measuring instrument is built-in with measurement parameter change-over switch, source current regulating valve, light source changeover switch；
The measuring instrument outside has solar cell parameter display screen, source current display screen；
The source current regulating valve is electrically connected by circuit of light sources with the light source, for adjusting source current, by the light
The regulated value of ource electric current shows in the source current display screen；
The light source conversion is opened the light and is electrically connected with the light source by the circuit of light sources, and the smooth source changeover switch is used to adjust
The color of the light source.
7. demonstrator according to claim 6, it is characterised in that the test side specifically includes：
Current detecting end, voltage detecting end, intensity of illumination test side, change-over switch；
The change-over switch is arranged on the current detecting end, the voltage detecting end and intensity of illumination test side interposition
Put, for switching the current detecting end, the voltage detecting end and the intensity of illumination test side.
8. demonstrator according to claim 1, it is characterised in that the cell panel rotation dish can exist with the rotating shaft
Rotated in the range of 0-90 ° in horizontal direction.
9. demonstrator according to claim 1, it is characterised in that the solar cell can be with the upset rotating shaft vertical
Overturn in the range of 0-90 ° on direction.
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