CN115389020A - Spectrum adjustable lamp box and spectrum adjusting method - Google Patents
Spectrum adjustable lamp box and spectrum adjusting method Download PDFInfo
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- CN115389020A CN115389020A CN202211024674.6A CN202211024674A CN115389020A CN 115389020 A CN115389020 A CN 115389020A CN 202211024674 A CN202211024674 A CN 202211024674A CN 115389020 A CN115389020 A CN 115389020A
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- 238000001228 spectrum Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 230000003595 spectral effect Effects 0.000 claims description 20
- 229910052724 xenon Inorganic materials 0.000 claims description 10
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 10
- 238000002834 transmittance Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims 2
- 238000012986 modification Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
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- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention relates to a spectrum-adjustable lamp box and a spectrum adjusting method, wherein the spectrum-adjustable lamp box comprises a lamp box body, a lamp source is arranged in the lamp box body, an opening is formed in one side of the lamp box body, a basic filter plate covering the opening is detachably fixed on the lamp box body, and a plurality of basic optical filters are detachably fixed on the basic filter plate. The two sides of the basic filter plate are respectively provided with a spectrum adjusting lifting mechanism, the two spectrum adjusting lifting mechanisms are respectively provided with a light filter, the two light filters are arranged in a staggered mode, and the spectrum adjusting lifting mechanisms are used for driving the light filters to move up and down on the outer side of the basic light filter. The spectrum adjusting method comprises the following steps: install a plurality of basic filters on basic filter plate, then install basic filter plate on the opening of lamp house body, fix the light filter on spectrum adjustment elevating system, open the lamp source, make the light filter reciprocate in the outside of basic filter plate through adjusting spectrum adjustment elevating system to realize the adjustable of spectrum.
Description
Technical Field
The invention relates to the technical field of solar simulators, in particular to a spectrum-adjustable lamp box and a spectrum adjusting method.
Background
The solar simulator is a device for simulating sunlight, and generally comprises a light source, a power supply and control circuit, a computer and the like. The solar simulator adopts the basic principle that an artificial light source is utilized to simulate solar radiation so as to overcome the defects that the solar radiation is influenced by time and climate and the total irradiance can not be adjusted, and the solar simulator is widely applied to the fields of aerospace, photovoltaics, agriculture and the like.
In the prior art, the requirement of the photovoltaic industry on a solar simulator is higher and higher, the spectral matching degree of the ground photovoltaic industry on the solar simulator is generally required to be A + grade, but the requirement of a user on the spectral matching degree cannot be completely met, the user wants the spectral matching degree deviation to be reduced by half on the basis of A +, the spectral matching degree deviation is reduced to 6% from 12.5%, and even lower, the space solar cell industry generally adopts a multi-junction cell, the conversion efficiency is high, but the requirement on the spectral matching degree of the solar simulator is higher, and the deviation of each sub-cell of the multi-junction cell for Isc matching is less than 0.5%.
In order to meet the requirements of users on the spectrum matching degree, the spectrum needs to be adjustable, and various methods exist, and the spectrum can be adjusted through voltage, but the light intensity is influenced; different light sources are matched for use, different light source combinations are opened according to the needed spectrum, but the continuous adjustability of the spectrum cannot be realized; the LED solar simulator can conveniently adjust the spectrum, but the cost of the LED solar simulator is high, and the matching degree of the basic spectrum is not good; currently, solar simulators in which gas light sources such as xenon lamps are used as simulation light sources are mainstream in the industry, so that spectrum adjustment of the solar simulator in which the gas light sources are used as the simulation light sources becomes very important.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a spectrum adjustable lamp box and a spectrum adjusting method, which can realize continuous adjustment of a spectrum.
The above object of the present invention is achieved by the following technical solutions:
a light box with adjustable spectrum comprises a light box body, wherein a light source is arranged in the light box body, an opening is formed in one side of the light box body, a basic light filter plate covering the opening is detachably fixed on the light box body, and a plurality of basic light filters are detachably fixed on the basic light filter plate;
the two sides of the basic filter plate are respectively provided with a spectrum adjusting lifting mechanism, the two spectrum adjusting lifting mechanisms are respectively provided with an optical filter, the two optical filters are arranged in a staggered mode, and the spectrum adjusting lifting mechanisms are used for driving the optical filters to move up and down on the outer side of the basic optical filter.
Through the technical scheme, during work, the plurality of basic optical filters are arranged on the basic optical filter plate, then the basic optical filter plate is fixed on the opening of the lamp box body, the optical filters are arranged on the spectrum adjusting and lifting mechanism, the optical filters move up and down on the outer sides of the basic optical filters by adjusting the spectrum adjusting and lifting mechanism, and the light emitted by the lamp source penetrates through the basic optical filters and the optical filters and is matched with the optical filters to move up and down so as to realize continuous adjustment of the spectrum.
The present invention in a preferred example may be further configured to: the spectrum adjusting and lifting mechanism comprises a mounting plate, a servo motor, a worm and a connecting seat, the mounting plate is fixed on the inner side wall of the lamp box body, a guide rail is fixed on the mounting plate, a sliding block is arranged on the guide rail in a sliding manner, and one side of the connecting seat is fixed on the sliding block;
the servo motor is fixed on the lamp box body, the worm is installed on the installation plate through a bearing, an output shaft of the servo motor is coaxially and fixedly connected with one end of the worm, the connecting seat is in threaded connection with the worm, and one end of the optical filter is detachably fixed on the connecting seat.
Through above-mentioned technical scheme, servo motor can corotation or reversal to make the worm can clockwise rotation or anticlockwise rotation, because connecting seat threaded connection on the worm, when the worm rotated, the connecting seat can reciprocate at the worm, thereby is convenient for adjust the position of light filter. Wherein, the connecting seat is at the in-process that reciprocates, can make the slip on the guide rail on the mounting panel that slides on it slide, has improved the stability that the connecting seat drove the light filter and reciprocates.
The present invention in a preferred example may be further configured to: the optical filter is a linear variable optical filter and is rectangular, and the filtering spectrum transmittance curves at different positions of the linear variable optical filter are different.
The present invention in a preferred example may be further configured to: the center wavelength of the spectral transmittance of the linear variable filter is in a linear relation with the position.
The present invention in a preferred example may be further configured to: the linear variable filter is shielded in the middle of the lamp source.
By the above technical solution, by moving the linear variable filter, the light of the central wavelength is allowed to pass through to the maximum, and the light of other wavelengths passes through in a normal distribution, which is very useful for filtering out the light of the line spectrum.
The present invention in a preferred example may be further configured to: the optical filters are triangular optical filters, and tips of the two triangular optical filters are arranged opposite to the tip.
Through the technical scheme, although the spectral transmittance of the triangular optical filter is constant, the triangular optical filter is moved to shield the range degree change of the lamp, so that the spectrum can be adjusted. The upper part and the lower part of the triangular optical filter are respectively provided with two pieces, the two pieces are sharp to sharp but not on the same plane, so that the triangular optical filter can not be touched when being moved, and the sharp parts can be overlapped, thereby realizing the spectrum adjustability in a larger range.
The present invention in a preferred example may be further configured to: the lamp source is a xenon lamp.
Through the technical scheme, the xenon lamp is an electric light source which utilizes xenon discharge to emit light, and as the discharge substance in the xenon lamp is the inert gas xenon, the difference between the excitation potential and the ionization potential is small.
A method of spectral tuning comprising the steps of: a plurality of basic optical filters are arranged on the basic optical filter plate, then the basic optical filter plate is arranged on an opening of the lamp box body, the optical filters are fixed on the spectrum adjusting and lifting mechanism, the lamp source is turned on, and the optical filters move up and down on the outer side of the basic optical filter plate by adjusting the spectrum adjusting and lifting mechanism so as to realize the adjustment of the spectrum.
The present invention in a preferred example may be further configured to: when the optical filters are linear variable optical filters, one of the linear variable optical filters is arranged on the spectrum adjusting mechanism, the lamp source is turned on, and the linear variable optical filter moves up and down on the outer side of the basic optical filter plate by adjusting the spectrum adjusting lifting mechanism, so that light rays with different spectrum distributions are obtained.
The present invention in a preferred example may be further configured to: when the optical filters are triangular optical filters, the two triangular optical filters are respectively arranged on the two spectrum adjusting mechanisms, the lamp source is turned on, the two triangular optical filters move up and down on the outer side of the basic optical filter plate by adjusting the spectrum adjusting and lifting mechanisms, the two triangular optical filters are pointed and arranged in a staggered manner and overlapped, and the change of the range degree of the light rays of the lamp source is shielded, so that the spectrum can be adjusted.
In summary, the present invention includes at least one of the following beneficial effects:
during operation, a plurality of basic optical filters are arranged on the basic optical filter plate, then the basic optical filter plate is fixed on the opening of the lamp box body, the optical filters are arranged on the spectrum adjusting and lifting mechanism, the optical filters move up and down on the outer sides of the basic optical filters by adjusting the spectrum adjusting and lifting mechanism, and light emitted by the lamp source penetrates through the basic optical filters and the optical filters and is matched with the optical filters to move up and down so as to realize continuous adjustment of the spectrum. And a complex LED light source is not used, so that the poor basic spectrum of an LED is avoided, the high cost of an LED simulator is avoided, and the continuous adjustable spectrum is realized.
Drawings
Fig. 1 is a schematic view showing the overall structure of the spectrum tunable light box of the present invention.
Fig. 2 is a front view of the spectrum adjustable lamp box in the first embodiment.
Fig. 3 is a front view of the spectrum adjustable lamp box in the second embodiment.
Fig. 4 is a schematic diagram showing a linear variable filter according to the present invention.
Reference numerals: 1. a lamp box body; 2. an opening; 3. a base light filter plate; 4. a base filter; 5. a spectrum adjustment lifting mechanism; 51. mounting a plate; 52. a servo motor; 53. a worm; 54. a connecting seat; 55. a guide rail; 56. a slider; 6. a linear variable filter; 7. a triangular filter.
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment is as follows:
referring to fig. 1-2, the light spectrum adjustable light box disclosed by the invention comprises a light box body 1, a light source is arranged in the light box body 1, an opening 2 is arranged at one side of the light box body 1, a basic light filter plate 3 covering the opening 2 is detachably fixed on the light box body 1, and a plurality of basic light filters 4 are detachably fixed on the basic light filter plate 3;
the two sides of the basic filter plate 3 are respectively provided with a spectrum adjusting lifting mechanism 5, the two spectrum adjusting lifting mechanisms 5 are respectively provided with a light filter, the two light filters are arranged in a staggered manner, and the spectrum adjusting lifting mechanisms 5 are used for driving the light filters to move up and down on the outer side of the basic light filter 4.
The spectrum adjusting and lifting mechanism 5 comprises a mounting plate 51, a servo motor 52, a worm 53 and a connecting seat 54, the mounting plate 51 is fixed on the inner side wall of the lamp box body 1, a guide rail 55 is fixed on the mounting plate 51, a sliding block 56 is arranged on the guide rail 55 in a sliding manner, and one side of the connecting seat 54 is fixed on the sliding block 56. The servo motor 52 is fixed on the lamp box body 1, the worm 53 is installed on the installation plate 51 through a bearing, the output shaft of the servo motor 52 is coaxially and fixedly connected with one end of the worm 53, the connecting seat 54 is in threaded connection with the worm 53, and one end of the optical filter is detachably fixed on the connecting seat 54.
The servo motor 52 can rotate in the forward or reverse direction, so that the worm 53 can rotate clockwise or counterclockwise, and since the connecting seat 54 is in threaded connection with the worm 53, when the worm 53 rotates, the connecting seat 54 can move up and down on the worm 53, so that the position of the optical filter can be adjusted conveniently. In the up-and-down moving process, the connecting base 54 can slide on the guide rail 55 on the mounting plate 51, so that the stability of the connecting base 54 driving the optical filter to move up and down is improved. In this embodiment, the lamp source is a xenon lamp, which is an electric light source that emits light by discharge of xenon gas, and since the discharge material in the lamp is xenon gas, the difference between the excitation potential and the ionization potential is small.
Referring to fig. 4, the filter is a linear variable filter 6 and has a rectangular shape, and the filter spectral transmittance curves at different positions of the linear variable filter 6 are different. The center wavelength of the spectral transmittance of the linear variable filter 6 is linearly dependent on the position. The linear variable filter 6 is shielded at the middle part of the lamp source. Moving the linear variable filter 6 allows the maximum amount of light at the center wavelength to pass through and the normal distribution of light at the other wavelengths, which is useful for filtering out the line spectrum.
The invention also discloses a spectrum adjusting method, which comprises the following steps: install a plurality of basic filters 4 on basic filter plate 3, then install basic filter plate 3 on opening 2 of lamp house body 1, fix the light filter on spectral regulation elevating system 5, turn on the lamp source, make the light filter reciprocate in basic filter plate 3's the outside through adjusting spectral regulation elevating system 5 to realize the adjustable of spectrum.
When the optical filters are the linear variable optical filters 6, one of the linear variable optical filters 6 is arranged on the spectrum adjusting mechanism, the lamp source is turned on, and the linear variable optical filter 6 moves up and down on the outer side of the basic optical filter plate 3 by adjusting the spectrum adjusting lifting mechanism 5, so that light rays with different spectrum distributions are obtained.
Example two:
referring to fig. 3, the invention further discloses a spectrum adjustable lamp box, which is different from the first embodiment in that the filters are triangular filters 7, and the tips of the two triangular filters 7 are arranged to the tips. Although the spectral transmittance of the triangular filter 7 is constant, the triangular filter 7 is moved to shield the lamp from the change of the range degree, so that the spectrum can be adjusted. The upper and lower parts of the triangular optical filter 7 are respectively provided with two pieces, the two pieces are sharp to sharp but not on the same plane, thus the triangular optical filter 7 can not be touched when being moved, and the sharp parts can be overlapped, thereby realizing the spectrum adjustability in a larger range.
The invention also discloses a spectrum adjusting method, which is different from the first embodiment in that the method comprises the following steps: install a plurality of basic filters 4 on basic filter plate 3, then install basic filter plate 3 on opening 2 of lamp house body 1, fix the light filter on spectral regulation elevating system 5, turn on the lamp source, make the light filter reciprocate in basic filter plate 3's the outside through adjusting spectral regulation elevating system 5 to realize the adjustable of spectrum.
When the optical filters are triangular optical filters 7, the two triangular optical filters 7 are respectively arranged on the two spectrum adjusting mechanisms, the lamp source is turned on, the two triangular optical filters 7 move up and down on the outer side of the basic optical filter plate 3 by adjusting the spectrum adjusting and lifting mechanism 5, the two triangular optical filters 7 are pointed, arranged in a staggered manner and overlapped, and the range of light rays of the lamp source is shielded to change, so that the spectrum can be adjusted.
The implementation principle of the embodiment is as follows: during operation, a plurality of basic optical filters 4 are arranged on the basic optical filter plate 3, then the basic optical filter plate 3 is fixed on the opening 2 of the lamp box body 1, the optical filters are arranged on the spectrum adjusting and lifting mechanism 5, the optical filters move up and down on the outer sides of the basic optical filters 4 by adjusting the spectrum adjusting and lifting mechanism 5, and light emitted by the lamp source penetrates through the basic optical filters 4 and the optical filters and is matched with the optical filters to move up and down so as to realize continuous adjustment of the spectrum. And a complex LED light source is not used, so that the poor basic spectrum of an LED is avoided, the high cost of an LED simulator is avoided, and the continuous adjustable spectrum is realized.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides an adjustable lamp house of spectrum, includes lamp house body (1), its characterized in that: a lamp source is arranged in the lamp box body (1), an opening (2) is formed in one side of the lamp box body (1), a basic light filter plate (3) covering the opening (2) is detachably fixed on the lamp box body (1), and a plurality of basic light filters (4) are detachably fixed on the basic light filter plate (3);
the two sides of the basic light filter plate (3) are respectively provided with a spectrum adjusting lifting mechanism (5), the two spectrum adjusting lifting mechanisms (5) are respectively provided with a light filter, the two light filters are arranged in a staggered mode, and the spectrum adjusting lifting mechanisms (5) are used for driving the light filters to move up and down on the outer side of the basic light filter (4).
2. A spectrally tunable light box according to claim 1, characterized in that: the spectrum adjusting lifting mechanism (5) comprises a mounting plate (51), a servo motor (52), a worm (53) and a connecting seat (54), the mounting plate (51) is fixed on the inner side wall of the lamp box body (1), a guide rail (55) is fixed on the mounting plate (51), a sliding block (56) is arranged on the guide rail (55) in a sliding manner, and one side of the connecting seat (54) is fixed on the sliding block (56);
the servo motor (52) is fixed on the lamp box body (1), the worm (53) is installed on the mounting plate (51) through a bearing, an output shaft of the servo motor (52) is coaxially and fixedly connected with one end of the worm (53), the connecting seat (54) is in threaded connection with the worm (53), and one end of the optical filter is detachably fixed on the connecting seat (54).
3. A spectrally tunable light box according to claim 1 or 2, characterized in that: the optical filter is a linear variable optical filter (6) and is rectangular, and the filtering spectrum transmittance curves of different positions of the linear variable optical filter (6) are different.
4. A spectrally tunable light box according to claim 3, characterized in that: the center wavelength of the spectral transmittance of the linear variable optical filter (6) is in linear relation with the position.
5. A spectrally tunable light box according to claim 3, characterized in that: the linear variable optical filter (6) is shielded in the middle of the lamp source.
6. A spectrally tunable light box according to claim 1 or 2, characterized in that: the optical filters are triangular optical filters (7), and the tips of the two triangular optical filters (7) are arranged opposite to the tips.
7. A spectrally tunable light box according to claim 1, characterized in that: the lamp source is a xenon lamp.
8. A method of spectral tuning, characterized by: the method comprises the following steps: install a plurality of basic light filters (4) on basic filter plate (3), then install basic filter plate (3) on opening (2) of lamp house body (1), fix the light filter on spectral regulation elevating system (5), open the lamp source, adjust elevating system (5) through adjusting the spectrum and make the light filter reciprocate in the outside of basic filter plate (3) to realize the adjustable of spectrum.
9. A method of spectral modification according to claim 8, further comprising: when the optical filters are linear variable optical filters (6), one of the linear variable optical filters (6) is arranged on the spectrum adjusting mechanism, the lamp source is turned on, and the linear variable optical filter (6) moves up and down on the outer side of the basic filter plate (3) by adjusting the spectrum adjusting lifting mechanism (5), so that light rays with different spectrum distributions are obtained.
10. A method of spectral modification according to claim 8, further comprising: when the light filters are triangular light filters (7), the two triangular light filters (7) are respectively installed on the two spectrum adjusting mechanisms, the light source is turned on, the two triangular light filters (7) move up and down on the outer side of the basic light filter plate (3) by adjusting the spectrum adjusting lifting mechanism (5), the two triangular light filters (7) are pointed, arranged in a staggered mode and overlapped, the range degree of light rays of the light source is shielded, and therefore the spectrum can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024674.6A CN115389020A (en) | 2022-08-25 | 2022-08-25 | Spectrum adjustable lamp box and spectrum adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211024674.6A CN115389020A (en) | 2022-08-25 | 2022-08-25 | Spectrum adjustable lamp box and spectrum adjusting method |
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| Publication Number | Publication Date |
|---|---|
| CN115389020A true CN115389020A (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211024674.6A Pending CN115389020A (en) | 2022-08-25 | 2022-08-25 | Spectrum adjustable lamp box and spectrum adjusting method |
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| Country | Link |
|---|---|
| CN (1) | CN115389020A (en) |
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2022
- 2022-08-25 CN CN202211024674.6A patent/CN115389020A/en active Pending
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Application publication date: 20221125 |
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