CN103684252A - Concentrating photovoltaic outdoor performance test system - Google Patents

Concentrating photovoltaic outdoor performance test system Download PDF

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CN103684252A
CN103684252A CN201310653518.0A CN201310653518A CN103684252A CN 103684252 A CN103684252 A CN 103684252A CN 201310653518 A CN201310653518 A CN 201310653518A CN 103684252 A CN103684252 A CN 103684252A
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lens
solar
irradiatometer
concentrating
characteristic measuring
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CN103684252B (en
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李鹏
罗琦
严晗
张清杰
翟鹏程
黄维蒂
汤迪
李赛
周平旺
曾亮
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Abstract

A concentrating photovoltaic outdoor performance test system comprises a solar concentrating power generation test platform, a high precision solar characteristic measuring device, a data acquisition device and an upper computer. The solar concentrating power generation test platform comprises a solar tracking device, a lens, a battery fixing device, a full irradiatometer, a direct irradiatometer, an anemograph and a reference solar cell. The lens and the battery fixing device comprise a frame body, a movable platform capable of being adjusted in the vertical direction is arranged in the frame body, a groove for installing a concentrating solar cell and a temperature sensor is formed in the middle of the movable platform, and a pair of lens clamping strips and a displacement sensor are arranged on the top face of the frame body. The solar tracking device, the high precision solar characteristic measuring device and the data acquisition device are respectively connected with the upper computer through a general purpose interface bus, the concentrating solar cell is in series connection with a channel A of the high precision solar characteristic measuring device to form a test circuit, and a channel B of the high precision solar characteristic measuring device is in series connection with the reference solar cell to form a reference circuit.

Description

The outdoor Performance Test System of a kind of condensation photovoltaic
Technical field
The invention belongs to field of solar energy utilization, refer to particularly the outdoor Performance Test System of a kind of condensation photovoltaic.
Background technology
Along with the continuous atrophy of traditional energy, due to advantages such as solar energy has environmental protection, wide, the sustainable uses of distributing.Become gradually the focus of various countries' development and research.Wherein, photovoltaic generation is the importance in Application of Solar Energy field.First, second in generation solar photovoltaic technology, use respectively crystal silicon battery and hull cell to carry out opto-electronic conversion, all obtained application.Due to the reason such as the expensive and generating efficiency of solar cell is lower, utilize optical element that sunlight is converged, re-use the third generation concentration solar generating technology of solar cell power generation, become the future developing trend of solar power generation.
Concentrating solar battery, collector lens, secondary optics element etc. are packaged into solar photovoltaic assembly, some assembly recomposition arrays are installed on sun tracker, and by sun tracker, in real time sunlight being converged to concentrating solar battery surface is one of mode of third generation concentration solar generating.In the research of third generation concentration solar generating technology, concentrating solar battery and collector lens are the primary study objects of this technology.
Concentrating solar battery is the core devices of concentration solar generating technology.The voltage-current characteristic of accurate test concentrating solar battery, can obtain a series of important parameters, as: open circuit voltage (V oc), short circuit current (I sc), operating voltage (V max), operating current (I max), peak power output (P max), fill factor, curve factor (FF), transformation efficiency (η cell) etc., particularly under available light, measure the battery voltage-current characteristic of different irradiance values, can characterize intuitively the characteristic of concentrating solar battery.
Collector lens is also the important optics of concentration solar generating technology.Its optically focused hot spot profile, optically focused focal length (s), lens transmitance (η len), the test of the optical parametric such as acceptance angle (α), spot energy distribution characteristic, the test under especially outdoor natural daylight condition, has great importance to evaluating the quality of optical system and the design of total system in concentration solar generating technology.
Before concentrating solar power generation system operation, to the test of concentration solar generating technology primary study object and evaluation, be the important guarantee that final solar power system can be stablized, efficiently move.On market, there is successively in recent years the appearance of some condensation photovoltaic testing apparatuss.According to investigation and analysis, the deficiency of existing condensation photovoltaic testing apparatus, is that the light source of most of testing apparatuss is solar simulator on the one hand.Due to actual radiation parameter, be subject to the impact of the factors such as ambient temperature, air humidity, atmospheric environment, compared certain deviation with the irradiance under available light, thereby can not react exactly the power generation performance under physical condition, and the work of solar simulator and maintenance cost higher; On the other hand, existing testing apparatus only can carry out the test of concentrating solar battery, and can not carry out effective, actual test and evaluation for other Primary Components in concentration solar generating technology, and its test has limitation.
Summary of the invention
Technical problem to be solved by this invention is just to provide the outdoor Performance Test System of a kind of condensation photovoltaic, can under available light, realize the performance test of concentrating solar battery and collector lens, the quality of core parts and the design of concentrating solar power generation system in evaluation concentration solar generating technology are had to great importance.
For solving the problems of the technologies described above, the outdoor Performance Test System of a kind of condensation photovoltaic provided by the invention, comprises solar energy concentration generating test platform, high-precision sun energy characteristic measuring device, data acquisition unit and host computer; Described solar energy concentration generating test platform comprises solar energy tracking device, lens and cell fixing device, full irradiatometer, direct projection irradiatometer, anemometer and with reference to solar cell; Described solar energy tracking device comprises mounting bracket, for following the tracks of the sun under the driving of driving mechanism, maintenance is vertical with incident sunlight, Quan described lens are with cell fixing device, irradiatometer, direct projection irradiatometer, anemometer be arranged at respectively on mounting bracket with reference to solar cell, move with mounting bracket; Described lens and cell fixing device comprise a frame body, in frame body, be provided with the adjustable mobile platform of vertical position, mobile platform middle part is provided with groove, be used for installing concentrating solar battery, in groove, be also provided with temperature sensor, the end face of frame body is provided with a pair of lens clamping bar, for collector lens is installed, the end face of frame body is also provided with displacement transducer, for measuring the spacing of concentrating solar battery and collector lens;
Described solar energy tracking device is connected with host computer by general-purpose interface bus, follows the tracks of the action of the sun for realize mounting bracket under PC control; The A channel of the concentrating solar battery on described lens and cell fixing device and high-precision sun energy characteristic measuring device is composed in series test circuit, B passage with reference to solar cell and high-precision sun energy characteristic measuring device is composed in series reference circuit, and high-precision sun energy characteristic measuring device is connected with host computer by general-purpose interface bus; Described full irradiatometer, direct projection irradiatometer, anemometer, temperature sensor and displacement transducer are connected with data acquisition unit by general-purpose interface bus respectively, and data acquisition unit is connected with host computer by general-purpose interface bus.
In technique scheme, described lens and cell fixing device comprise the rectangle frame support body consisting of underframe, pillar and upper frame, a ball-screw and two the first guide posts are vertically installed between underframe and upper frame, the two ends of ball-screw are respectively equipped with rolling bearing, rolling bearing is arranged in the bearing pedestal of underframe and upper frame, and the first guide post is fixed by the first guide post base being arranged on underframe and upper frame; One side of described mobile platform is by feed screw nut and ball-screw threaded engagement, and the other both sides of mobile platform are connected with two the first guide posts by linear bearing respectively.
Further, on described upper frame, by the second guide post base is parallel two the second guide posts are installed, described a pair of lens clamping bar is connected with two the second guide posts respectively, for adjust the spacing of a pair of lens clamping bar by the translation of the second guide post; Described lens clamping bar is provided with pinching screw, for fixing collector lens.
Further, described ball-screw is provided with handwheel, for ball-screw being swayed by rotation hand wheel.
In technique scheme, described solar energy tracking device comprises undersetting, column, orientation slewing equipment, upper bracket, altitude pitching device and mounting bracket; Described undersetting is arranged at ground, and the lower end of column is connected with undersetting, upper end is connected with orientation slewing equipment, and described upper bracket is arranged on orientation slewing equipment, can under the driving of orientation slewing equipment, pivots; The middle part of described altitude pitching device and connecting rod one end are hinged, and the other end of connecting rod is connected with upper bracket; The middle part of described mounting bracket is hinged by free bearing and upper bracket, and the flexible rod end of one end of mounting bracket and described altitude pitching device is hinged.
Further, described altitude pitching device is electric pushrod or hydraulic cylinder.
Compared with prior art, beneficial effect of the present invention is: the setting of solar energy tracking device, make native system can under available light, realize test, and then can react exactly the performance of concentrating solar power generation system under physical condition, and the cost of more existing test macro is lower; Lens and cell fixing device are when system is used, can realize by installation code collector lens the test of concentrating solar battery to be measured, by installation code concentrating solar battery, realize the test of collector lens to be measured, utilize a cover system can complete the test of concentrating solar power generation system core parts, and can implement, accurately, automatic measurement, to evaluating the quality of core parts and the design of concentrating solar power generation system, there is great importance.
Accompanying drawing explanation
Fig. 1 is the module connection layout of one embodiment of the invention;
Fig. 2 is the structural representation of Fig. 1 system;
Fig. 3 is the structural representation of solar energy tracking device in Fig. 2;
Fig. 4 is the structural representation of lens and cell fixing device in Fig. 2;
Fig. 5 is the scheme of installation of testing sample on lens and cell fixing device;
Fig. 6 is the test flow chart of testing sample while being concentrating solar battery;
Fig. 7 is the test flow chart of testing sample while being collector lens;
Fig. 8 is certain day sun direct projection irradiance, total irradiance and ambient temperature test curve figure;
Fig. 9 is the volt-ampere characteristic figure of certain concentrating solar battery certain moment of one day;
Figure 10 be certain concentrating solar battery at one day volt-ampere characteristic figure in the same time not;
Figure 11 is that collector lens is at the volt-ampere characteristic figure of the lower standard solar cells of different optically focused focometry values (h);
Figure 12 is the lens transmitance (η of different collector lenses to be measured len) histogram;
In figure: 1-solar energy concentration generating test platform, 2-solar energy tracking device is (wherein: 201-mounting bracket, 202-upper bracket, 203-altitude pitching device, 204-orientation slewing equipment, 205-column, 206-undersetting), 3-lens and cell fixing device are (wherein: 301-underframe, 302-pillar, 303-upper frame, 304-ball-screw, the 305-the first guide post, 306-rolling bearing, 307-bearing pedestal, the 308-the first guide post base, 309-handwheel, 310-mobile platform, 311-feed screw nut, 312-linear bearing, 313-temperature sensor, the 314-the second guide post, the 315-the second guide post base, 316-lens clamping bar, 317-pinching screw, 318-displacement transducer), 4-full irradiatometer, 5-direct projection irradiatometer, 6-anemometer, 7-with reference to solar cell, 8-high-precision sun energy characteristic measuring device, 9-data acquisition unit, 10-host computer, 11-concentrating solar battery to be measured, 12-standard collector lens, 13-standard concentrating solar battery, 14-collector lens to be measured.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail:
As shown in Figures 1 to 4, the outdoor Performance Test System of a kind of condensation photovoltaic of the present invention, comprises solar energy concentration generating test platform 1, high-precision sun energy characteristic measuring device 8, data acquisition unit 9 and host computer 10.Wherein, solar energy concentration generating test platform 1 comprises solar energy tracking device 2, lens and cell fixing device 3, full irradiatometer 4, direct projection irradiatometer 5, anemometer 6 and with reference to solar cell 7.
The solar energy tracking device 2 of the present embodiment comprises undersetting 206, column 205, orientation slewing equipment 204, upper bracket 202, altitude pitching device 203 and mounting bracket 201.Undersetting 206 is arranged at ground, and the lower end of column 205 is connected with undersetting 206, upper end is connected with orientation slewing equipment 204, and upper bracket 202 is arranged on orientation slewing equipment 204, can under the driving of orientation slewing equipment 204, pivots.The middle part of altitude pitching device 203 and connecting rod one end are hinged, and the other end of connecting rod is connected with upper bracket 202.The middle part of mounting bracket 201 is hinged by free bearing and upper bracket 202, and the flexible rod end of one end of mounting bracket 201 and altitude pitching device 203 is hinged.Like this, under the acting in conjunction of orientation slewing equipment 204 and altitude pitching device 203, can realize the tracking action of 201 pairs of sun of mounting bracket, remain that it is positioned at the orientation vertical with incident sunlight.Said lens and cell fixing device 3, full irradiatometer 4, direct projection irradiatometer 5, anemometer 6 and with reference to solar cell 7, be arranged at respectively on mounting bracket 201, with mounting bracket 201, move.
The lens of the present embodiment and cell fixing device 3 comprise the rectangle frame support body consisting of underframe 301, pillar 302 and upper frame 303, are provided with the adjustable mobile platform of vertical position 310 in rectangle frame support body.A ball-screw 304 and two the first guide posts 305 are vertically installed between the underframe 301 of rectangle frame support body and upper frame 303, the two ends of ball-screw 304 are respectively equipped with rolling bearing 306, rolling bearing 306 is arranged in the bearing pedestal 307 of underframe 301 and upper frame 303, ball-screw 304 is provided with handwheel 309, and rotation hand wheel 309 can make ball-screw 304 sway.The first 305 of guide posts are fixing by the first guide post base 308 being arranged on underframe 301 and upper frame 303.One side of mobile platform 310 is by feed screw nut 311 and ball-screw 304 threaded engagement, the other both sides of mobile platform 310 are connected with two the first guide posts 305 by linear bearing 312 respectively, and the rotation of ball-screw 304 can drive mobile platform 310 liftings by feed screw nut 311.Mobile platform 310 middle parts are provided with groove, for concentrating solar battery is installed, are also provided with temperature sensor 313 in groove.On above-mentioned upper frame 303, by the second guide post base 315 is parallel two the second guide posts 314 are installed, two the second guide posts 314 are connected with a pair of lens clamping bar 316, the spacing of a pair of lens clamping of the translation capable of regulating bar 316 by the second guide post 314, to be suitable for the collector lens of different size, lens clamping bar 316 is provided with pinching screw 317, for collector lens is installed.On upper frame 303, be also provided with displacement transducer 318, for measuring the spacing of concentrating solar battery and collector lens.
Solar energy tracking device 2 is connected with host computer 10 by general-purpose interface bus, under controlling at host computer 10, realizes the action that mounting bracket 201 is followed the tracks of the sun.The A channel of the concentrating solar battery on lens and cell fixing device 3 and high-precision sun energy characteristic measuring device 8 is composed in series test circuit, with reference to solar cell 7 and the B passage of high-precision sun energy characteristic measuring device 8, be composed in series reference circuit, high-precision sun energy characteristic measuring device 8 is connected with host computer 10 by general-purpose interface bus.Full irradiatometer 4, direct projection irradiatometer 5, anemometer 6, temperature sensor 313 are connected with data acquisition unit 9 by general-purpose interface bus respectively with displacement transducer 318, and data acquisition unit 9 is also connected with host computer 10 by general-purpose interface bus.
In the present embodiment, the GSA-800 type electric pushrod that altitude pitching device 203 adopts You Lv source companies to produce, the rectilinear motion by electric pushrod makes mounting bracket 201 do elevating movement, i.e. the variation of elevation angle.The SE7 type device for revolving and driving that orientation slewing equipment 204 adopts You Kaimai companies to produce, the gyration by device for revolving and driving makes mounting bracket 201 do orientation to move, i.e. azimuthal variation.The Keithley2602 type digital sourcemeter that high-precision sun energy characteristic measuring device 8 adopts U.S. Keithley company to produce, it has binary channels function, can measure two paths of signals simultaneously.The HIOKI8422-50 type data collecting instrument that the Japanese Zhi of data acquisition unit 9 employing company produces, can gather 20 road signals simultaneously and transmit signals to host computer 10.Full irradiatometer 4 adopts magnificent Skyworth to think the TBQ-2-B-I pyranometer that Science and Technology Development Co., Ltd. produces, for measuring the global solar radiation of 0.3~3 micron of wave-length coverage.Direct projection irradiatometer 5 adopts magnificent Skyworth to think the direct irradiation table of TBS-2-B-I standard that Science and Technology Development Co., Ltd. produces, for measuring perpendicular to the radiation on sun surface and the sun very narrow ring day sky radiation around.The HL-FS2 type anemometer that anemometer 6 adopts spark Chuan Yi Electronic Science and Technology Co., Ltd. to produce.The concentrating solar battery that all adopts U.S. Emcore company to produce with reference to solar cell 7 and standard concentrating solar battery 13.Temperature sensor 313 adopts K type thermocouple, in order to detect temperature and the ambient temperature of solar cell.The GWS100 type displacement transducer that displacement transducer 318 adopts the dynamo-electric Co., Ltds in smart Pu to produce, for measuring collector lens to the distance of concentrating solar battery, i.e. the optically focused focometry value (h) of collector lens.Host computer 10 adopts Lenovo Yangtian series A 4680 type computers.
As shown in Figure 5, when testing sample is concentrating solar battery, concentrating solar battery 11 to be measured is positioned in the groove of mobile platform 310, and concentrating solar battery 11 to be measured is composed in series test circuit with the A channel of high-precision sun energy characteristic measuring device 8, standard collector lens 12 is installed by a pair of lens clamping bar 316, and clamped with pinching screw 317; When testing sample is collector lens, standard concentrating solar battery 13 is positioned in the groove of mobile platform 310, and standard concentrating solar battery 13 is composed in series test circuit with the A channel of high-precision sun energy characteristic measuring device 8, collector lens 14 to be measured is installed by a pair of lens clamping bar 316, and clamped with pinching screw 317.
As shown in Figure 6, when testing sample is concentrating solar battery, its test operation following (programme under the LabVIEW environment of this embodiment NI company, design program and system support):
1) machine operation: open solar energy tracking device 2, high-precision sun energy characteristic measuring device 8, data acquisition unit 9 and host computer 10, move 2 pairs of sun of solar energy tracking device by the control interface of host computer 10 and carry out real-time tracking;
2) adjusting focal length: standard collector lens 12 is arranged in the lens clamping bar 316 of lens and cell fixing device 3, regulate the handwheel 309 on lens and cell fixing device 3 and be aided with displacement transducer 318, making the distance between standard collector lens 12 and mobile platform 310 reach test focal length;
3) installation of concentrating solar battery 11 to be measured: concentrating solar battery 11 to be measured is positioned in mobile platform 310 grooves of lens and cell fixing device 3, concentrating solar battery 11 to be measured is composed in series test circuit with the A channel of high-precision sun energy characteristic measuring device 8, and B passage and the canonical reference solar cell 7 of high-precision sun energy characteristic measuring device 8 are composed in series reference circuit;
4) test: input required test parameter at host computer 10 inputting interfaces, comprise channel type, collector lens size, testing time, test interval etc., and click start button and test;
5) data output: output volt-ampere characteristic, optically focused focometry value (h), lens transmitance (η len), open circuit voltage (V oc), short circuit current (I sc), operating voltage (V max), operating current (I max), peak power output (P max), fill factor, curve factor (FF), transformation efficiency (η cell) etc. relevant feature parameters.After having tested, tester can repeating step 3), 4) continue test, until tester finishes this test, also can finish this test, change concentrating solar battery 11 to be measured by step 3), 4) test next time.
As shown in Figure 7, when testing sample is collector lens, its test operation following (programme under the LabVIEW environment of this embodiment NI company, design program and system support):
1) machine operation: open solar energy tracking device 2, high-precision sun energy characteristic measuring device 8, data acquisition unit 9 and host computer 10, move the sun by the control interface of host computer 10 and can carry out real-time tracking by 2 pairs of sun of tracker;
2) lens to be measured are installed: collector lens 14 to be measured is arranged in the lens clamping bar 316 of lens and cell fixing device 3, and clamps with pinching screw 317; Standard concentrating solar battery 13 is positioned in mobile platform 310 grooves of lens and cell fixing device 3, standard concentrating solar battery 13 is composed in series test circuit with the A channel of high-precision sun energy characteristic measuring device 8, the B passage of high-precision sun energy characteristic measuring device 8 with reference to solar cell 7, be composed in series reference circuit;
3) adjusting focal length: the handwheel 309 on scioptics and cell fixing device 3 regulates collector lens 14 to be measured to the distance of standard concentrating solar battery 13;
4) test: input required test parameter at host computer 10 inputting interfaces, comprise channel type, collector lens size, testing time, test interval etc., and click start button and test;
5) data output: output optically focused focometry value (h), lens transmitance (η len) etc. relevant parameter, handwheel 309 on scioptics and cell fixing device 3 changes collector lens 14 to be measured to the measuring distance of standard concentrating solar battery 13, repeating step 3), 4) continue test, until tester finishes this test, according to the optimum performance parameters of standard concentrating solar battery 13 outputs, determine the optically focused focal length (s) of the collector lens of testing; Also can finish this test, change collector lens 14 to be measured by step 2), 3), 4) test next time.
Fig. 8 to Figure 12 is partial test result.
As shown in Figure 8, test certain day sun direct projection irradiance and total irradiance curve, parameter solar global irradiance (GNI) and the direct projection irradiance (DNI) of output strengthened to noon gradually by the morning, and the time-division arrives the strongest (960W/m to solar global irradiance (GNI) at noon 2) after weaken gradually, ambient temperature changes between 26~37 ℃.
As shown in Figure 9, certain concentrating solar battery 11 to be measured utilizes this test macro to test certain of one day constantly, and as shown in the figure, parameter is output as its volt-ampere characteristic: solar global irradiance (GNI)=929.604W/m 2, direct projection irradiance (DNI)=730.66W/m 2, open circuit voltage (V oc)=2.98386V, short circuit current (I sc)=2.98386A, operating voltage V max=2.6341V, operating current (I max)=0.18506A, peak power output (P max)=0.48746W, fill factor, curve factor (FF)=0.83873, transformation efficiency (η cell)=0.26686;
As shown in figure 10, certain concentrating solar battery 11 to be measured the not volt-ampere characteristic in the same time of a day as shown in the figure, wherein:
The morning 8:30, parameter is output as: solar global irradiance (GNI)=728W/m 2, direct projection irradiance (DNI)=542W/m 2, open circuit voltage (V oc)=2.984V, short circuit current (I sc)=0.14018A, operating voltage (V max)=2.66755V, operating current (I max)=0.13499A, peak power output (P max)=0.3601W, fill factor, curve factor (FF)=0.86088, transformation efficiency (η cell)=0.26538;
The morning 10:30, parameter is output as: solar global irradiance (GNI)=933W/m 2, direct projection irradiance (DNI)=741W/m 2, open circuit voltage (V oc)=3.01766V, short circuit current (I sc)=0.212868A, operating voltage (V max)=2.66789V, operating current (I max)=0.20234A, peak power output (P max)=0.53982W, fill factor, curve factor (FF)=0.84037, transformation efficiency (η cell)=0.29136;
Noon 12:30, parameter is output as: solar global irradiance (GNI)=917W/m 2, direct projection irradiance (DNI)=688W/m 2, open circuit voltage (V oc)=2.98418V, short circuit current (I sc)=0.19643A, operating voltage (V max)=2.63431V, operating current (I max)=0.18465A, peak power output (P max)=0.48644W, fill factor, curve factor (FF)=0.82982, transformation efficiency (η cell)=0.82244;
Afternoon 15:30, parameter is output as: solar global irradiance (GNI)=850W/m 2, direct projection irradiance (DNI)=657W/m 2, open circuit voltage (V oc)=2.98403V, short circuit current (I sc)=0.1881A, operating voltage (V max)=2.63399V, operating current (I max)=0.17791A, peak power output (P max)=0.46811W, fill factor, curve factor (FF)=0.83486, transformation efficiency (η cell)=0.28505;
Afternoon 17:30, parameter is output as: solar global irradiance (GNI)=657W/m 2, direct projection irradiance (DNI)=495W/m 2, open circuit voltage (V oc)=2.9835V, short circuit current (I sc)=0.12575A, operating voltage (V max)=2.66708V, operating current (I max)=0.12141A, peak power output (P max)=0.32381W, fill factor, curve factor (FF)=0.86307, transformation efficiency (η cell)=0.26124.
As shown in figure 11, for certain collector lens 14 to be measured is under different optically focused focometry values (h), the volt-ampere characteristic of corresponding standard concentrating solar battery 13.Wherein:
During optically focused focometry value (h)=90mm, parameter is output as: open circuit voltage (V oc)=2.933V, short circuit current (I sc)=0.1527A;
During optically focused focometry value (h)=92mm, parameter is output as: open circuit voltage (V oc)=2.9674V, short circuit current (I sc)=0.1964A;
During optically focused focometry value (h)=94mm, parameter is output as: open circuit voltage (V oc)=3.0010V, short circuit current (I sc)=0.2427A;
During optically focused focometry value (h)=96mm, parameter is output as: open circuit voltage (V oc)=0.9674V, short circuit current (I sc)=0.1864A.
Figure 12 has illustrated the lens transmitance (η of different collector lenses to be measured 14 len) test result:
Sample A parameter is output as: optically focused focometry value (h)=15mm, lens transmitance (η len)=75%;
Sample B parameter is output as: optically focused focometry value (h)=94mm, lens transmitance (η len)=81%;
Sample C parameter is output as: optically focused focometry value (h)=500mm, lens transmitance (η len)=70%;
Sample D parameter is output as: optically focused focometry value (h)=316mm, lens transmitance (η len)=73%.
Core of the present invention is the setting of solar energy tracking device and lens and cell fixing device, make system can under available light, realize the performance test of concentrating solar battery and collector lens, the quality of core parts and the design of concentrating solar power generation system in evaluation concentration solar generating technology are had to great importance.Obviously, those skilled in the art can carry out various changes and distortion and not depart from the scope of the present invention and spirit the present invention, for example: solar energy tracking device is not limited to the preferred structure in embodiment, adopt other existing solar tracking device effectively to realize and also can realize technical solution of the present invention to the tracking of incident sunlight; Lens and cell fixing device 3 are also not limited to above-described embodiment, as long as fixedly concentrating solar battery and collector lens regulate easily its spacing to wait.If these changes and distortion belong in the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and is out of shape interior.

Claims (6)

1. the outdoor Performance Test System of condensation photovoltaic, is characterized in that: comprise solar energy concentration generating test platform (1), high-precision sun energy characteristic measuring device (8), data acquisition unit (9) and host computer (10); Described solar energy concentration generating test platform (1) comprises solar energy tracking device (2), lens and cell fixing device (3), full irradiatometer (4), direct projection irradiatometer (5), anemometer (6) and with reference to solar cell (7); Described solar energy tracking device (2) comprises mounting bracket (201), for following the tracks of the sun under the driving of driving mechanism, maintenance is vertical with incident sunlight, described lens with cell fixing device (3) Quan, irradiatometer (4), direct projection irradiatometer (5), anemometer (6) and with reference to solar cell (7), be arranged at respectively mounting bracket (201) and go up, with mounting bracket (201), move; Described lens and cell fixing device (3) comprise a frame body, in frame body, be provided with the adjustable mobile platform of vertical position (310), mobile platform (310) middle part is provided with groove, be used for installing concentrating solar battery, in groove, be also provided with temperature sensor (313), the end face of frame body is provided with a pair of lens clamping bar (316), for collector lens is installed, the end face of frame body is also provided with displacement transducer (318), for measuring the spacing of concentrating solar battery and collector lens;
Described solar energy tracking device (2) is connected with host computer (10) by general-purpose interface bus, under controlling at host computer (10), realizes the action that mounting bracket (201) is followed the tracks of the sun; The A channel of the concentrating solar battery on described lens and cell fixing device (3) and high-precision sun energy characteristic measuring device (8) is composed in series test circuit, with reference to solar cell (7) and the B passage of high-precision sun energy characteristic measuring device (8), be composed in series reference circuit, high-precision sun energy characteristic measuring device (8) is connected with host computer (10) by general-purpose interface bus; Described full irradiatometer (4), direct projection irradiatometer (5), anemometer (6), temperature sensor (313) and displacement transducer (318) are connected with data acquisition unit (9) by general-purpose interface bus respectively, and data acquisition unit (9) is connected with host computer (10) by general-purpose interface bus.
2. the outdoor Performance Test System of a kind of condensation photovoltaic according to claim 1, it is characterized in that: described lens and cell fixing device (3) comprise by underframe (301), the rectangle frame support body that pillar (302) and upper frame (303) form, a ball-screw (304) and two the first guide posts (305) are vertically installed between underframe (301) and upper frame (303), the two ends of ball-screw (304) are respectively equipped with rolling bearing (306), rolling bearing (306) is arranged in the bearing pedestal (307) of underframe (301) and upper frame (303), the first guide post (305) is fixing by the first guide post base (308) being arranged on underframe (301) and upper frame (303), one side of described mobile platform (310) is by feed screw nut (311) and ball-screw (304) threaded engagement, and the other both sides of mobile platform (310) are connected with two the first guide posts (305) by linear bearing (312) respectively.
3. the outdoor Performance Test System of a kind of condensation photovoltaic according to claim 2, it is characterized in that: described upper frame (303) is upper by parallel two the second guide posts (314) that are provided with of the second guide post base (315), described a pair of lens clamping bar (316) is connected with two the second guide posts (314) respectively, for adjust the spacing of a pair of lens clamping bar (316) by the translation of the second guide post (314); Described lens clamping bar (316) is provided with pinching screw (317), for fixing collector lens.
4. the outdoor Performance Test System of a kind of condensation photovoltaic according to claim 2, is characterized in that: described ball-screw (304) is provided with handwheel (309), for ball-screw (304) being swayed by rotation hand wheel (309).
5. according to the outdoor Performance Test System of a kind of condensation photovoltaic described in arbitrary claim in claim 1 to 4, it is characterized in that: described solar energy tracking device (2) comprises undersetting (206), column (205), orientation slewing equipment (204), upper bracket (202), altitude pitching device (203) and mounting bracket (201); Described undersetting (206) is arranged at ground, the lower end of column (205) is connected with undersetting (206), upper end is connected with orientation slewing equipment (204), and described upper bracket (202) is arranged on orientation slewing equipment (204), can under the driving of orientation slewing equipment (204), pivots; Middle part and connecting rod one end of described altitude pitching device (203) are hinged, and the other end of connecting rod is connected with upper bracket (202); The middle part of described mounting bracket (201) is hinged by free bearing and upper bracket (202), and the flexible rod end of one end of mounting bracket (201) and described altitude pitching device (203) is hinged.
6. the outdoor Performance Test System of a kind of condensation photovoltaic according to claim 5, is characterized in that: described altitude pitching device (203) is electric pushrod or hydraulic cylinder.
CN201310653518.0A 2013-12-06 2013-12-06 A kind of condensation photovoltaic outdoor performance test system Expired - Fee Related CN103684252B (en)

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