CN207302435U - A kind of solar cell photoelectric properties demonstrator - Google Patents
A kind of solar cell photoelectric properties demonstrator Download PDFInfo
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- CN207302435U CN207302435U CN201621478101.0U CN201621478101U CN207302435U CN 207302435 U CN207302435 U CN 207302435U CN 201621478101 U CN201621478101 U CN 201621478101U CN 207302435 U CN207302435 U CN 207302435U
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Abstract
The utility model discloses a kind of solar cell photoelectric properties demonstrator.The demonstrator includes：Light source, fixed frame, solar cell grillage, solar cell, solar panel rotating disc, angle measuring gauge, protractor, measuring instrument；The fixed frame utilizes light source described in they sup-port；The light source and the solar cell are in the same horizontal line；Rotating shaft is installed on the fixed frame；The solar cell grillage is supported by the rotating shaft；The rotating shaft is cased with solar panel rotating disc；The angle measuring gauge is fixed with the solar panel rotating disc；The both sides of the solar cell are fixed using 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 the demonstrator of the utility model.
Description
Technical field
Solar cell field is the utility model is related to, more particularly to a kind of solar cell photoelectric properties demonstrator.
Background technology
Solar cell is to be 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 flow, peak power output, fill factor, curve factor, transfer efficiency etc., but cannot show
Go out the relation of light intensity and solar cell switching current, can not show the factor for influencing solar cell transfer efficiency.
Utility model content
The purpose of this utility model is to provide a kind of solar cell photoelectric properties demonstrator, can quickly show light intensity with
The relation of solar cell switching current, and show the factor for influencing photoelectric conversion efficiency of the solar battery.
To achieve the above object, the utility model provides following scheme：
A kind of solar cell photoelectric properties demonstrator, including：Light source, fixed frame, solar cell grillage, solar cell, electricity
Pond plate rotating disc, angle measuring gauge, protractor, measuring instrument；
The fixed frame utilizes light source described in they sup-port；The light source is mutually perpendicular to the supporting rod；
The light source and the solar cell are in the same horizontal line；Between the light source and the solar cell grillage
Distance is pre-determined distance；
Rotating shaft is installed on the fixed frame；
The solar cell grillage is supported by the rotating shaft；
The rotating shaft is cased with solar panel rotating disc, for rotating the solar cell grillage；
The angle measuring gauge is fixed with the solar panel rotating disc；The angle measuring gauge does not turn with the solar panel
Moving plate rotates；
The both sides of the solar cell are fixed using shaft is overturn with the solar cell grillage；
The protractor is fixed on the side of the solar cell grillage vertically；For measuring the upset of the solar cell
Angle；0 point of the protractor is overlapped with the upset shaft；
The solar cell is installed in the solar cell heating plate；
Four apex 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, further 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, further 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 installed 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 of multiple light emitting diodes, has N rows, and often row 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 change-over switch；
There is solar cell parameter display screen, source current display screen outside the measuring instrument；
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 is shown in the source current display screen；
The light source conversion is opened the light to be electrically connected by the circuit of light sources with the light source, and the light source change-over 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 installed 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 solar panel rotating disc can be with rotating in the range of the rotating shaft in the horizontal direction 0-90 °.
Optionally, the solar cell can be with overturning in the range of 0-90 ° of the upset shaft in the vertical direction.
According to specific embodiment provided by the utility model, the utility model discloses following technique effect：This practicality is new
Horizontal rotation angle and vertical flip angle of the type by varying solar cell, can show that solar cell is in different angle
When, influence of the different rotary angle to photoelectric conversion efficiency, additionally it is possible to light intensity is measured by light-sensitive element and is imitated to opto-electronic conversion
The relation of switching current between the influence of rate and light intensity and solar cell.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the utility model embodiment solar cell photoelectric properties demonstrator structure schematic diagram；
Fig. 2 is the utility model embodiment another kind solar cell photoelectric properties demonstrator structure schematic diagram；
Fig. 3 is the structure diagram of the utility model embodiment spray thrower and dust jet pipe；
Fig. 4 is the light source figure of the utility model embodiment light source LED.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of solar cell photoelectric properties demonstrator, and can show that, which influences photoelectricity, turns
The factor of efficiency is changed, and can show that the relation of light intensity and solar cell switching current.
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the utility model embodiment solar cell photoelectric properties demonstrator structure schematic diagram, as shown in Figure 1, a kind of
Solar cell photoelectric properties demonstrator, including：Light source 101, fixed frame 102, solar cell grillage 103, solar cell 104, electricity
Pond plate rotating disc 105, angle measuring gauge 106, protractor 107, measuring instrument 108；
The fixed frame 102 supports the light source 101 using supporting rod 1021；The light source 101 and the supporting rod
1021 are mutually perpendicular to；
The light source 101 and the solar cell 104 are in the same horizontal line；The light source 101 and the solar cell
The distance between grillage 103 is pre-determined distance；
Rotating shaft is installed on the fixed frame 102；
The solar cell grillage 103 is supported by the rotating shaft；
The rotating shaft is cased with the solar panel rotating disc 105, for rotating the solar cell grillage 103；
The angle measuring gauge 106 is fixed with the solar panel rotating disc 105；The angle measuring gauge 106 is not with institute
Solar panel rotating disc 105 is stated to rotate；
The both sides utilization of the solar cell 104 overturns 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 is overlapped with the upset shaft；
The solar cell 104 is installed in the solar cell heating plate 1041；
Four apex 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 the utility model embodiment another kind solar cell photoelectric properties demonstrator knot
Structure schematic diagram, as shown in Fig. 2, the system further includes：Source of the gas 201, gas circuit change-over switch 202, barometric damper 203, water tank
204th, 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 and 2011 and second tracheae 2012 of the first tracheae
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, further 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 installed 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 support plate is installed 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 the above-mentioned demonstrator of the utility model, additionally it is possible to control air-flow mould
Intend rainy, airborne dust degree, so that the influence under the conditions of showing varying environment to photoelectric conversion efficiency of the solar battery.
In actual application, there is N number of spray hole 2042 on the spray thrower 2041, on the dust jet pipe 2051
With N number of sprayed from ducts hole 2043.Fig. 3 is the structure diagram of the utility model embodiment spray thrower and dust jet pipe, such as Fig. 3
It is shown.
In actual application, the light source 101 is made of multiple light emitting diodes, has N rows, and often row 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, yellow light, green light, blue light, and Fig. 4 is the light of the utility model embodiment light source LED
Source figure, as shown in figure 4, a represents white light, b represents feux rouges, and c represents yellow light, and d represents green light, and e represents blue light, and light source colour can lead to
Light source change-over switch is crossed to be adjusted.
It 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, specifically includes：
The measuring instrument 108 is built-in with measurement parameter change-over switch 1081, source current regulating valve 1082, light source and changes and open
Close 1083；
The outside of 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 light source change-over switch 1083 is electrically connected by the circuit of light sources with the light source 101, the light source conversion
Switch 1083 is used for the color for adjusting 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 installed 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 solar panel rotating disc 105 can be 0-90 ° in the horizontal direction with 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 shaft in the vertical direction
Enclose interior upset.
In the utility model embodiment, measuring instrument is made of two modules used in solar cell photoelectric properties demonstrator,
Module 1 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 is shown with intensity of illumination, temperature variation curve.
Module 2 converts analog signals into digital signal using analog-digital converter, and digital signal then is passed through microcontroller
Display is on a display screen.And then it can draw the open-circuit voltage and short circuit current flow of solar panel.Due to the number of voltage and current
Level is different, if cannot be shown at the same time according to reality output measured value, cannot also measure voltage, so in design circuit
When in order to allow display screen to show voltage and current at the same time, just electric current display output amplify 5 times.
D.C mutual-inductor, bridge rectifier, filter unit, A/D converter, microcontroller and display mould are used in this module
Block forms.Overall structure for data by D.C mutual-inductor, bridge rectifier, wave filter, A/D converter processing after, send
To microcontroller, the microcontroller transmits data to display module again.
Principle：Due to solar energy produce be alternating current need to be depressured to obtain by D.C mutual-inductor input 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 microcontroller to and carry out data processing, then the data measured are shown by display module.
Current measurement module
This module is made of current sensor, A/D converter, microcontroller and display module.Data pass through current sense
Microcontroller is passed to after device, A/D converter, then has microcontroller to send data to display module.
Principle：Current sensor is connected to obtain the analog quantity of electric current with circuit-under-test, is converted into accordingly by A/D conversion chips
Numerical quantities, then give transformed data to microcontroller and carry out data processing, then by display module by the number after having handled
According to showing.
The measurement of power
According to the data of measured voltage and electric current, further according to rating formula：P=UI, so that it may to know power
Numerical value.The design mainly calculates the magnitude of voltage that machine collects with current value with monolithic automatically according to rating formula
The numerical value of power, is then shown the numerical value of power by display module.
Transfer efficiency
How many can be converted to effective electricity to the solar energy of the energy conversion efficiency η expression incidences of solar cell
Energy.η=(sun luminous power of 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 design mainly measures the sun with designed voltmeter and ammeter
Can the battery open-circuit voltage Voc that is changed and short circuit current flow 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, so as to know the sun luminous power of incidence, and then
Calculate the transfer efficiency of solar cell.This process is realized by mcu programming.
The relation of transfer efficient and temperature
Since the solar panel of the design has transferred heating plate, purpose is exactly to study temperature and use transfer efficiency
Between relation.Realizing the circuit module of this function includes temperature sensor, and microcontroller, temperature sensor described in display module will
Data transfer is sent to display module to microcontroller, the microcontroller after handling data.Principle：Pass through temperature sensor
The temperature of heating plate is acquired, giving the data collected to microcontroller carries out data processing, then display module is shown again
Out, the change with temperature, the situation of change of transfer efficiency are observed.
Influence of the rainy day to transfer efficiency
This part research circuit includes Raindrop sensor, and A/D converter, microcontroller, display module, data are by raindrop biography
Microcontroller is passed to after sensor, A/D converter processing, then display module is sent data to by the microcontroller.
Principle：The analog quantity of the rainfall collected according to Raindrop sensor, corresponding numerical value is converted into by A/D conversion chips
Amount, then give transformed data to microcontroller and carry out data processing, then the data after having handled are shown by display module
Out.And by showing the variation relation of observation rainfall and transfer efficiency.
Influence of the dust weather to transfer efficiency
Studying this factor has the circuit module involved by the transfer efficiency of solar energy：Dust sensor, A/D converter,
Microcontroller, display module.Data pass to microcontroller after dust sensor, A/D converter processing, then by the microcontroller
Send data to display module.
Principle：The dust analog quantity collected according to dust sensor, corresponding numerical value is converted into by A/D conversion chips
Amount, then give transformed data to microcontroller and carry out data processing, then the data after having handled are shown by display module
Out.And by showing the variation relation of observation dust and transfer efficiency.
Influence of the different color light to transfer efficiency
The research circuit of this part mainly includes changing optical module, current regulating module, illuminance sensor, microcontroller and
LABVIEW host computers, illuminance sensor transfer data to microcontroller, and microcontroller is with changing optical module, host computer, current regulation
Data interaction is carried out between module.
In order to be further understood that the technical solution of the utility model solar cell photoelectric properties demonstrator, made by following
It is described in detail with method：
1. solar cell short circuit current flow, open-circuit voltage, transfer efficiency measure
(1) solar panel face light source, vertical placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；The solar panel is solar cell.
(2) light source change-over 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 solar cell short circuit current flow, open-circuit voltage, transfer efficiency
(1) solar panel face light source, vertical placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source change-over 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 transfer efficiency respectively；
3. the measurement that solar azimuth influences solar cell short circuit current flow, open-circuit voltage, transfer efficiency
(1) solar panel face light source, vertical placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source change-over 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 transfer efficiency is measured respectively from measuring instrument " solar cell parameter display screen ".
4. the measurement that environment temperature influences solar cell short circuit current flow, open-circuit voltage, transfer efficiency
(1) solar panel face light source, vertical placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source change-over 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. rain, the measurement that airborne dust weather influences solar cell short circuit current flow, open-circuit voltage, transfer efficiency
(1) solar panel face light source, vertical placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source change-over switch is put " white light "；
(3) gas source switch is opened, " rainy " or " airborne dust " environment is simulated by air valve selecting switch, passes through Air Valve Control gas
Flow field simulation rains, airborne dust degree；
(4) from measuring instrument " solar cell parameter display screen " measure varying environment respectively under the conditions of solar cell change effect
Rate.
6. the measurement that different color light influences solar cell short circuit current flow, open-circuit voltage, transfer efficiency
(1) solar panel face light source, vertical placement (the solar cell grillage protractor number of degrees 0, azimuth reading scale
Number 0)；
(2) light source change-over switch is put " white light "；
(3) by light source change-over switch, different color light is selected respectively；
(4) measured by light sensor and identical irradiation level is reached by the control of 1 source current of module；
(5) sun electricity when measuring coloured light (identical irradiation level) irradiation respectively from measuring instrument " solar cell parameter display screen "
Pond transfer efficiency.
By description of the above to the solar cell photoelectric properties demonstrator of the utility model, the demonstrator energy can be learnt
Enough show varying environment, different colours illumination, different temperatures, the different angle of solar cell and different light intensity degree etc. because
Influence of the element to photoelectric conversion efficiency of the solar battery.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth the principle and embodiment of the utility model, above example
Explanation be only intended to help to understand the method and its core concept of the utility model；Meanwhile for the general technology of this area
Personnel, according to the thought of the utility model, in specific embodiments and applications there will be changes.In conclusion
This specification content should not be construed as the limitation to the utility model.
Claims (9)
- A kind of 1. solar cell photoelectric properties demonstrator, it is characterised in that including：Light source, fixed frame, solar cell grillage, too Positive electricity pond, solar panel rotating disc, angle measuring gauge, protractor, measuring instrument；The fixed frame utilizes light source described in they sup-port；The light source is mutually perpendicular to the supporting rod；The light source and the solar cell are in the same horizontal line；The distance between the light source and the solar cell grillage For pre-determined distance；Rotating shaft is installed on the fixed frame；The solar cell grillage is supported by the rotating shaft；The rotating shaft is cased with solar panel rotating disc, for rotating the solar cell grillage；The angle measuring gauge is fixed with the solar panel rotating disc；The angle measuring gauge is not with the solar panel rotating disc Rotate；The both sides of the solar cell are fixed using shaft is overturn with the solar cell grillage；The protractor is fixed on the side of the solar cell grillage vertically；For measuring the flip angle of the solar cell Degree；0 point of the protractor is overlapped with the upset shaft；The solar cell is installed in the solar cell heating plate；Four apex 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 further 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 further 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 installed 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 of multiple light emitting diodes, has 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 change-over switch；There is solar cell parameter display screen, source current display screen outside the measuring instrument；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 is shown in the source current display screen；The light source conversion is opened the light to be electrically connected by the circuit of light sources with the light source, and the light source change-over 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 installed 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 solar panel rotating disc can exist with the rotating shaft Rotated in horizontal direction in the range of 0-90 °.
- 9. demonstrator according to claim 1, it is characterised in that the solar cell can be with the upset shaft vertical Overturn on direction in the range of 0-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621478101.0U CN207302435U (en) | 2016-12-30 | 2016-12-30 | A kind of solar cell photoelectric properties demonstrator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621478101.0U CN207302435U (en) | 2016-12-30 | 2016-12-30 | A kind of solar cell photoelectric properties demonstrator |
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| CN207302435U true CN207302435U (en) | 2018-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781914A (en) * | 2016-12-30 | 2017-05-31 | 青海民族大学 | A kind of solar cell photoelectric properties demonstrator |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781914A (en) * | 2016-12-30 | 2017-05-31 | 青海民族大学 | A kind of solar cell photoelectric properties demonstrator |
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