CN203023961U - Composite light source for hot spot endurance test of photovoltaic assembly - Google Patents
Composite light source for hot spot endurance test of photovoltaic assembly Download PDFInfo
- Publication number
- CN203023961U CN203023961U CN2012207418096U CN201220741809U CN203023961U CN 203023961 U CN203023961 U CN 203023961U CN 2012207418096 U CN2012207418096 U CN 2012207418096U CN 201220741809 U CN201220741809 U CN 201220741809U CN 203023961 U CN203023961 U CN 203023961U
- Authority
- CN
- China
- Prior art keywords
- light source
- hot spot
- composite light
- led
- lamp box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a composite light source for a hot spot endurance test of a photovoltaic assembly. The composite light source comprises a diffuse reflection lamp box and a lamp array mounted on the diffuse reflection lamp box, and is characterized in that the lamp array comprises a heat radiation plate; one side of the heat radiation plate is provided with a fin-shaped heat radiation sheet and the other side of the heat radiation plate is provided with a plurality of LED (Light Emitting Diode) modules which are distributed in an array manner; a light reflection cover is arranged between the two adjacent rows of the LED modules; and an infrared heating tube is arranged on the surface of the light reflection cover. According to the composite light source disclosed by the utility model, an LED is used as an electric effect light source and a rod-like ceramic infrared heating tube is used as a heat effect light source, so that the light intensity is stable and the service life is long; the infrared light reflection cover and the lamp box with the diffuse reflection inner wall are adopted so that the luminous flux is concentrated and output faculae are uniform; and the light intensity of the LED and the faculae can be independently adjusted, namely components for generating the electric effect and the heat effect can be independently adjusted, so that the electric and heat comprehensive effect of sunlight under an AM1.5 condition and other meteorological environments can be accurately simulated.
Description
Technical field
The utility model relates to a kind of checkout equipment light source, especially a kind of photovoltaic module hot spot long duration test composite light source based on LED and infrared heating pipe.
Background technology
Photovoltaic technology is the technology of electric energy that luminous energy is converted into, and is 21 century one of the most promising new forms of energy.The assembly that photovoltaic generation is used is all generally to be formed by the series connection of a plurality of solar cells, and by shading or when damaging, operating current has surpassed the short circuit current that this battery or battery pack have reduced, and in assembly, the hot spot heating can occur when battery in assembly or a Battery pack.This moment, affected battery or battery pack were placed in reverse-bias state, consumed power, thereby cause overheated.
The hot spot long duration test is used for simulating this contingent harm exactly, the degree of accuracy of this test and following several respects factor analysis: reverse bias voltage, battery light accepting part divide the electric current of generation, battery light accepting part to divide the global radiation that is subject to, and environmental condition.
When irradiation was on photovoltaic device, a part of photon was converted to photo-generated carrier, shifted with current forms in circuit; And non-switched photon, and the energy that photon has more in photoelectric conversion process changes heat energy into, causes that temperature raises.The device short circuit current is the integration that its spectral response is composed source emissioning light, and for crystal silicon photovoltaic devices, wavelength almost can not be converted into electronics greater than the photon of 1100 nm, and can only energy transform into heat energy.
Sunshine is a kind of mixed light, and its spectral region extends to infrared from ultraviolet.Therefore, the sunshine of some strength (as the spectrum of AM1.5 regulation) shines on photovoltaic device and can produce specific " electrical effect " and " fuel factor ".Common artificial single light source, as very large with the solar spectrum difference in incandescent lamp, fluorescent lamp, Halogen lamp LED, sodium vapor lamp etc. at present; What relatively approach is xenon lamp, but its life-span is shorter, is generally 1000 hours to 1500 hours.Make it to produce identical short circuit current if shine respectively the same solar cell by these single light sources, the heating of battery differs greatly.
If use two kinds of light sources, wherein a kind of main realization " electrical effect ", another kind of main realize " fuel factor " can realize the electric heating comprehensive effect that approaches with true sunshine.Light emitting diode (LED) is a kind of longevity, efficient solid state light emitter, if select emission wavelength to be shorter than the LED light source of 1100 nm, and emission wavelength is longer than the infrared light supply of 1100 nm, can realize " composite light source ".
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of photovoltaic module hot spot long duration test composite light source is provided, this composite light source life-span is long, optical density is large, hot spot is even, the electric heating comprehensive effect is adjustable, solved existing single light source electric heating comprehensive effect and sunshine and differed larger, perhaps shorter problem of life-span.
According to the technical scheme that the utility model provides, described photovoltaic module hot spot long duration test composite light source comprises diffuse reflection lamp box and the lamp battle array that is arranged on diffuse reflection lamp box top; It is characterized in that: described lamp battle array comprises heat sink, and a side of heat sink is the fin fin, and the opposite side of heat sink some LED modules that are decorated in array arrange reflection shield between the LED modules of adjacent two row, on the surface of reflection shield, the infrared heating pipe is set.
The bottom of described diffuse reflection lamp box is provided with adjustable support foot.The number of described LED module is 2 ~ 16.
Comprise 10 ~ 100 luminescence units in each LED module, the rated power of each LED module is 30 ~ 100W.Described reflection shield is opening circular arc toward the outer side, and the infrared heating pipe is arranged on the arc surface of reflection shield.Fin one side provided with fan at described heat sink.
The utility model has the advantages that: (1) the utility model adopts LED as " electrical effect light source ", and adopting bar-shaped ceramic infrared heating pipe is " fuel factor light source ", and stabilized intensity, life-span are long; (2) the utility model adopts the infrared reflecting cover and with the lamp box of diffuse reflection inwall, luminous flux is concentrated, and output facula is even; (3) the utility model can independently be regulated the light intensity of LED and infrared heating pipe, can independently regulate the component that produces electrical effect and fuel factor, thereby accurately simulated solar irradiation is in the AM1.5 condition, and the electric heating comprehensive effect under other weather environment.
Description of drawings
Fig. 1 is the structural representation of composite light source described in the utility model.
Fig. 2 is the structural representation of lamp box described in the utility model.
Fig. 3 is the structural representation of lamp battle array described in the utility model.
Fig. 4 is the rearview of Fig. 3.
Fig. 5 is the front view of lamp battle array described in the utility model.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the left view of Fig. 5.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete accompanying drawing.
As Fig. 1 ~ shown in Figure 7: as described in the long duration test of photovoltaic module hot spot comprise heat sink 1, LED module 2, reflection shield 3, infrared heating pipe 4, fan 5, diffuse reflection lamp box 6, adjustable support foot 7, fin 8 etc. with composite light source.
As shown in Figure 1, the utility model comprises diffuse reflection lamp box 6 and the lamp battle array that is arranged on diffuse reflection lamp box 6 tops, and as shown in Figure 2, the bottom of diffuse reflection lamp box 6 is provided with adjustable support foot 7, is used for regulating the levelness of diffuse reflection lamp box 6;
As Fig. 3 ~ shown in Figure 7, described lamp battle array comprises heat sink 1, heat sink 1 is made of metal material, one side of heat sink 1 is fin fin 8, the opposite side of heat sink 1 is decorated in array some LED module 2(as 2 ~ 16), LED module 2 is fixed on heat sink 1 by heat-conducting glue, comprises 10 ~ 100 luminescence units in each LED module 2, and the rated power of each LED module 2 is 30 ~ 100W; Between the LED module 2 of adjacent two row, reflection shield 3 is set, reflection shield 3 is opening circular arc toward the outer side, infrared heating pipe 4 is set on the arc surface of reflection shield 3, infrared heating pipe 4 is used for sending the light of infrared band, reflection shield 3 is used for the infrared light of infrared heating pipe 4 is carried out good reflection, and makes light distribution even;
As Fig. 4, Fig. 6, shown in Figure 7, at the fin 8 one side provided with fans 5 of described heat sink 1.
Composite light source described in the utility model is in when work, and to LED module 2 power supplies, to 4 power supplies of infrared heating pipe, the inwall of diffuse reflection lamp box 6 carries out diffuse reflection to infrared and visible light to adjustable ac source by wire by wire for the DC constant current source; Wherein, the main wavelength of spectrum of LED module 2 emissions is less than 1100nm, and infrared heating pipe 4 emission spectrum primary waves are grown up in 1100nm, are middle-infrared band.
The utility model needs to calibrate before use, and a calibrated solar cell (or assembly) is placed on test zone, opens the dc source of LED module, regulates its brightness by regulating operating current, until the short circuit current of calibration battery reaches its calibration value; Open again the infrared heating pipe, regulate its operating current, make the equilibrium temperature of calibration battery reach designated value (as nominal operation temperature etc.), namely complete calibration.Under this state, composite light source described in the utility model is identical with electric heating comprehensive effect under the standard sunshine for the electric heating comprehensive effect of similar photovoltaic product, can normally test.
Claims (6)
1. photovoltaic module hot spot long duration test composite light source comprises diffuse reflection lamp box (6) and is arranged on the lamp battle array on diffuse reflection lamp box (6) top; It is characterized in that: described lamp battle array comprises heat sink (1), one side of heat sink (1) is fin fin (8), the opposite side of heat sink (1) the some LED modules (2) that are decorated in array, between the LED module (2) of adjacent two row, reflection shield (3) is set, on the surface of reflection shield (3), infrared heating pipe (4) is set.
2. photovoltaic module hot spot long duration test composite light source as claimed in claim 1, it is characterized in that: the bottom of described diffuse reflection lamp box (6) is provided with adjustable support foot (7).
3. photovoltaic module hot spot long duration test composite light source as claimed in claim 1, it is characterized in that: the number of described LED module (2) is 2 ~ 16.
4. photovoltaic module hot spot long duration test composite light source as claimed in claim 1, it is characterized in that: comprise 10 ~ 100 luminescence units in each LED module (2), the rated power of each LED module (2) is 30 ~ 100W.
5. photovoltaic module hot spot long duration test composite light source as claimed in claim 1 is characterized in that: described reflection shield (3) is opening circular arc toward the outer side, and infrared heating pipe (4) is arranged on the arc surface of reflection shield (3).
6. photovoltaic module hot spot long duration test composite light source as claimed in claim 1, is characterized in that: at fin (8) the one side provided with fans (5) of described heat sink (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207418096U CN203023961U (en) | 2012-12-28 | 2012-12-28 | Composite light source for hot spot endurance test of photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207418096U CN203023961U (en) | 2012-12-28 | 2012-12-28 | Composite light source for hot spot endurance test of photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023961U true CN203023961U (en) | 2013-06-26 |
Family
ID=48647944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207418096U Expired - Lifetime CN203023961U (en) | 2012-12-28 | 2012-12-28 | Composite light source for hot spot endurance test of photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931237A (en) * | 2015-05-15 | 2015-09-23 | 广东省标准化研究院 | Illumination effect observation light box |
| CN110426396A (en) * | 2019-07-24 | 2019-11-08 | 湖北三江航天万峰科技发展有限公司 | A kind of lighting system and method for ceramic tile potlery tile surface defect on-line checking |
-
2012
- 2012-12-28 CN CN2012207418096U patent/CN203023961U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931237A (en) * | 2015-05-15 | 2015-09-23 | 广东省标准化研究院 | Illumination effect observation light box |
| CN104931237B (en) * | 2015-05-15 | 2017-12-29 | 广东省标准化研究院 | A kind of light box for illuminating effect observation |
| CN110426396A (en) * | 2019-07-24 | 2019-11-08 | 湖北三江航天万峰科技发展有限公司 | A kind of lighting system and method for ceramic tile potlery tile surface defect on-line checking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tavakoli et al. | Adjustable high-power-LED solar simulator with extended spectrum in UV region | |
| US7862198B2 (en) | Lighting device having energy conversion module | |
| CN102280511B (en) | Dense array concentrating solar energy photovoltaic device | |
| CN102221669A (en) | Measuring system for solar cell and sunlight simulator | |
| KR101334092B1 (en) | Solar cell charge device of rack type | |
| Aung et al. | Design of stand-alone solar street lighting system with LED | |
| CN201582605U (en) | Solar light source simulator using high-brightness white light LED | |
| Rumyantsev | Terrestrial concentrator PV systems | |
| D'Alessandro et al. | Low cost high intensity LED illumination device for high uniformity solar testing | |
| CN203023961U (en) | Composite light source for hot spot endurance test of photovoltaic assembly | |
| Esen et al. | Toward class AAA LED large scale solar simulator with active cooling system for PV module tests | |
| CN202259382U (en) | Concentrated array condensation solar photovoltaic apparatus | |
| CN105351790A (en) | Non-compensation all-solid light source type LED solar simulator | |
| Bliss et al. | Advantages in using LEDs as the main light source in solar simulators for measuring PV device characteristics | |
| KR20100006823A (en) | Illuminating device comprising solar cell incorporated in frame | |
| Chatterjee et al. | Hybrid solar simulator for long-term testing of photothermal materials | |
| Papet et al. | Overlap modules: A unique cell layup using smart wire connection technology | |
| Liu | Advanced control of photovoltaic converters | |
| CN101562412A (en) | Power generator using solar energy and fuel chemical energy | |
| CN107204389A (en) | A kind of quick light decay device of silicon solar cell using LED as light source | |
| CN209431285U (en) | A kind of device of pair of solar energy electronic equipment charge | |
| CN203349166U (en) | Solar simulator | |
| CN206849855U (en) | It is a kind of using LED as the quick light decay device of the silicon solar cell of light source | |
| Faghih | High power led-based light engine with double linear fresnel lenses for solar simulators | |
| Andreev et al. | Solar thermophotovoltaic converter with Fresnel lens and GaSb cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |