CN220492956U - Solar cell characteristic measuring device using LED light source and adjustable in brightness - Google Patents
Solar cell characteristic measuring device using LED light source and adjustable in brightness Download PDFInfo
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- CN220492956U CN220492956U CN202322140150.XU CN202322140150U CN220492956U CN 220492956 U CN220492956 U CN 220492956U CN 202322140150 U CN202322140150 U CN 202322140150U CN 220492956 U CN220492956 U CN 220492956U
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- light source
- solar cell
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- guide rail
- led light
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- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a solar battery characteristic measuring device which uses an LED light source and has adjustable brightness, comprising: the guide rail is provided with a first sliding block and a second sliding block; the light source is driven by the first sliding block to change the position of the light source relative to the guide rail; the sample rack is driven by the second sliding block to change the position of the sample rack relative to the guide rail; the solar cell testing device comprises a sample rack and is characterized in that the sample rack is provided with an inwards concave accommodating cavity, and a solar cell sample to be tested is arranged in the accommodating cavity. The LED light source can be used, and the intensity of the light intensity can be changed by matching the rotary lantern ring with the Fresnel lens; the movable light source and the sample rack can move on the guide rail, so that the illumination change of sunlight in four seasons can be simulated; and the safety performance is higher, and the practical effect is better.
Description
Technical Field
The present utility model relates to the field of solar cell characteristics measurement, and more particularly, to a solar cell characteristic measurement device that uses an LED light source and has adjustable brightness.
Background
Solar energy utilization and research are one of the key topics in the development of new energy in the 21 st century. The solar cell is capable of absorbing energy of light and converting the absorbed photon energy into electrical energy. Currently, measurement of basic characteristics of solar cells is a common experimental item in college physics experiments, but existing solar cell characteristic measurement experimental apparatuses generally employ a halogen lamp or an incandescent lamp as a light source. The spectrum of the incandescent lamp is close to solar energy, but the luminous efficiency is lower, the light power is smaller, the heating is more serious, the using voltage is higher, and the incandescent lamp is easy to damage; the spectrum of the halogen lamp is closer to that of sunlight, but the halogen lamp has larger power consumption, serious heat and larger light pollution, and the danger of scalding is easy to happen when students use the halogen lamp; the equipment used in laboratory teaching mainly focuses on measuring the basic dark characteristic and illumination characteristic of the solar cell, has lower requirements on light spectrum and has higher requirements on safety. For the above reasons, a solar cell characteristic measuring apparatus using an LED light source and having an adjustable luminance has been devised.
Disclosure of Invention
In order to overcome at least one of the defects described in the prior art, the utility model provides a solar cell characteristic measuring device which uses an LED light source and has adjustable brightness. The LED light source can be used, and the intensity of the light intensity can be changed by matching the rotary lantern ring with the Fresnel lens; the illumination change of sunlight in four seasons can be simulated by moving the positions of the light source and the sample rack on the guide rail; and the safety performance is higher, and the experimental effect is better.
The utility model adopts the technical proposal for solving the problems that:
a solar cell characteristic measuring apparatus using an LED light source and having an adjustable brightness, comprising: the guide rail is provided with a first sliding block and a second sliding block; the light source is driven by the first sliding block to change the position of the light source relative to the guide rail; the sample rack is driven by the second sliding block to change the position of the sample rack relative to the guide rail; the solar cell testing device comprises a sample rack and is characterized in that the sample rack is provided with an inwards concave accommodating cavity, and a solar cell sample to be tested is arranged in the accommodating cavity.
Through adopting above-mentioned scheme, conveniently through first slider, light source cooperation, the illumination change when the sunlight changes in the four seasons can be imitated in the cooperation of second slider, sample frame.
Further, the sample rack is further provided with an assembly groove, and a light shield is slidably installed in the assembly groove and used for shielding a solar cell sample to be detected.
Through adopting above-mentioned scheme, the accessible lens hood is convenient to shelter from the solar cell sample that awaits measuring, imitates the condition that does not have illumination, conveniently tests its performance.
Further, the light source is at least partially sleeved with a collar, and the collar is rotatably connected with the light source.
Further, the light source adopts an LED light source.
Through adopting above-mentioned scheme, the shock resistance who uses the LED light source is good, and luminous directivity is stronger, and it is lighter to generate heat when luminous moreover, makes things convenient for university teaching experiment to use.
Further, the solar cell sample to be measured is a monocrystalline silicon sample, a polycrystalline silicon sample or an amorphous silicon sample.
By adopting the scheme, the application range is wider.
Further, a Fresnel lens is arranged in the lantern ring.
Through adopting above-mentioned scheme, accessible rotates the lantern ring to realize light intensity adjustable through fresnel lens's diffraction phenomenon, facilitate the use.
Further, the guide rail is an aluminum guide rail.
By adopting the scheme, the aluminum profile has small density and soft texture, and the aluminum profile guide rail has light weight and can lighten the whole weight.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic view of a sample holder according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of a light source according to an embodiment of the utility model.
Wherein the reference numerals have the following meanings: 1. a guide rail; 2. a first slider; 3. a second slider; 4. a light source; 5. a sample holder; 6. an assembly groove; 7. a collar; 8. a Fresnel lens; 9. and a solar cell sample to be tested.
Detailed Description
For a better understanding and implementation, the technical solutions of the embodiments of the present utility model will be clearly and completely described and discussed below in conjunction with the accompanying drawings, and it is apparent that what is described herein is only a part, but not all, of the examples of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
For the purpose of facilitating an understanding of the embodiments of the present utility model, reference will now be made to the drawings, by way of example, of specific embodiments, and the various embodiments should not be construed to limit the embodiments of the utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 to 3, the utility model discloses a solar cell characteristic measuring device which uses an LED light source 4 and has adjustable brightness: comprising the following steps: the guide rail 1 is provided with a first sliding block 2 and a second sliding block 3; a light source 4 which is driven by the first slider 2 to change its position relative to the guide rail 1; and a sample holder 5 which is driven by the second slider 3 to change its position relative to the guide rail 1. The first sliding block 2 and the light source 4 are matched conveniently, and the second sliding block 3 and the sample frame 5 can simulate illumination change of sunlight when the sunlight changes in four seasons.
In this embodiment, the light source 4 is an LED light source. The LED light source has good shock resistance, strong luminous directivity, and light heating during light emission, and is convenient for university teaching experiments. The application range is wider.
In this embodiment, the solar cell sample 9 to be measured is a monocrystalline silicon sample, a polycrystalline silicon sample, or an amorphous silicon sample.
The guide rail 1 is an aluminum guide rail, the density of the aluminum guide rail is small, the texture is soft, and the aluminum guide rail 1 has light weight and can reduce the overall weight; in the present embodiment, the length of this rail 1 may be set to 100cm.
In this embodiment, the sample holder 5 is provided with a concave accommodating cavity, a solar cell sample 9 to be measured is disposed in the accommodating cavity, the sample holder 5 is further provided with an assembly groove 6, a light shielding cover (not shown) is slidably mounted in the assembly groove 6, and the light shielding cover (not shown) is used for shielding the solar cell sample 9 to be measured. The solar cell sample 9 to be tested can be conveniently shielded by the light shield, the condition without illumination is simulated, and the performance of the solar cell sample is conveniently tested.
In this embodiment, the light source 4 is at least partially sleeved with a collar 7, and the collar 7 is rotatably connected with the light source 4. A fresnel lens 8 is arranged in the collar 7. The adjustable light intensity can be realized by rotating the lantern ring 7 and through the diffraction phenomenon of the Fresnel lens 8, and the use is convenient.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. A solar cell characteristic measuring apparatus using an LED light source and having an adjustable brightness, comprising:
the guide rail is provided with a first sliding block and a second sliding block;
the light source is driven by the first sliding block to change the position of the light source relative to the guide rail;
the sample rack is driven by the second sliding block to change the position of the sample rack relative to the guide rail;
the solar cell testing device comprises a sample rack and is characterized in that the sample rack is provided with an inwards concave accommodating cavity, and a solar cell sample to be tested is arranged in the accommodating cavity.
2. The solar cell characteristic measurement apparatus using an LED light source and having an adjustable brightness according to claim 1, wherein the sample holder is further provided with an assembly groove, and the assembly groove is slidably provided with a light shield for shielding a solar cell sample to be measured.
3. The solar cell characteristic measurement apparatus with adjustable brightness using an LED light source according to claim 2, wherein the light source is at least partially sleeved with a collar, and the collar is rotatably connected with the light source.
4. The solar cell characteristic measurement apparatus according to claim 3, wherein the light source is an LED light source.
5. The device for measuring characteristics of a solar cell using an LED light source and having an adjustable brightness according to claim 4, wherein the solar cell sample to be measured is a single crystal silicon sample, a polycrystalline silicon sample, or an amorphous silicon sample.
6. The solar cell characteristic measurement apparatus with adjustable brightness using an LED light source according to claim 5, wherein a fresnel lens is provided in the collar.
7. The device for measuring characteristics of a solar cell using an LED light source and having an adjustable brightness according to claim 6, wherein the guide rail is an aluminum guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322140150.XU CN220492956U (en) | 2023-08-09 | 2023-08-09 | Solar cell characteristic measuring device using LED light source and adjustable in brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322140150.XU CN220492956U (en) | 2023-08-09 | 2023-08-09 | Solar cell characteristic measuring device using LED light source and adjustable in brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492956U true CN220492956U (en) | 2024-02-13 |
Family
ID=89842366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322140150.XU Active CN220492956U (en) | 2023-08-09 | 2023-08-09 | Solar cell characteristic measuring device using LED light source and adjustable in brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492956U (en) |
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2023
- 2023-08-09 CN CN202322140150.XU patent/CN220492956U/en active Active
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