CN111309054B - Solar simulator with adjustable divergence angle and design method thereof - Google Patents
Solar simulator with adjustable divergence angle and design method thereof Download PDFInfo
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- CN111309054B CN111309054B CN202010145576.2A CN202010145576A CN111309054B CN 111309054 B CN111309054 B CN 111309054B CN 202010145576 A CN202010145576 A CN 202010145576A CN 111309054 B CN111309054 B CN 111309054B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/10—Control of position or direction without using feedback
- G05D3/105—Solar tracker
Abstract
The invention relates to a solar simulator with an adjustable divergence angle and a design method thereof, the solar simulator comprises a shell, a light source, an integrator, a reflecting mirror, a collimating mirror and a distance adjusting component, wherein the shell is fixedly connected to a roof, the light source adopts a xenon lamp, the number of output lenses of the integrator is within sixty, the light source and the integrator are arranged on the distance adjusting component, the distance adjusting component is arranged in the shell, the reflecting mirror is arranged on one side of the shell far away from the light source, the distance adjusting component drives the light source and the integrator to be close to or far away from the reflecting mirror, and the collimating mirror is arranged on one side of the reflecting mirror.
Description
Technical Field
The invention relates to the technical field of solar simulators, in particular to a solar simulator with an adjustable divergence angle and a design method thereof.
Background
As the field of human activity expands into space, research into space targets is becoming increasingly important. Optical means have the unique advantage of spatial target detection. The space target radiation and scattering characteristic acquisition means mainly comprise a foundation data verification method and a day-based data verification method. The space-based photoelectric device realizes space-based data acquisition, such as Hab and the like, and has the defects of maximum cost and great realization technical difficulty. The foundation observation mainly adopts an observation station with a large caliber established on the ground, and the detector is calibrated by measuring known constellations and the like, so that the star measurement of a space target is realized, and the brightness information of the target is obtained through conversion. The method has high cost and is easily influenced by weather and other environments. In addition, sunlight irradiates the earth in the daytime, and various irradiation characteristics of the target cannot be studied directly by utilizing the sunlight due to the influence of the atmosphere and the earth rotation. The sun simulation technology needs to be studied to develop a large-caliber solar simulator which approximately simulates the spectrum, radiation intensity, long-time stability and divergence angle of the sun.
The solar simulator can simulate the luminescence characteristic of real sun, is used for simulating solar radiation in the outer space of the earth, and can vividly reproduce the collimation, uniformity and spectral characteristic of solar radiation in the space environment in a ground laboratory. The solar simulator mainly comprises a light source, a light-gathering reflector, an optical integrator, a collimating mirror and the like, wherein light with uniform brightness emitted by the light source passes through the light-gathering reflector and then is emitted into parallel light by the collimating mirror through the optical integrator, so that the simulation of the infinite sun is completed.
The beam divergence angle is a measure of the speed at which a beam diverges outward from the beam waist, and a beam with a very small divergence angle, such as a beam radius, is nearly constant over a long transmission distance, known as a collimated beam. Since light propagation has a ripple, it is inevitable that there is some divergence in the beam, and if one beam divergence angle is much larger than the physically determined emission angle, the beam has poor beam quality; in order to further make the generated light rays of the solar simulator approach to real solar rays, adjustment of the divergence angle of the light rays is needed, but the divergence angle of the existing solar simulator cannot be adjusted.
Accordingly, in view of the above shortcomings, there is a need to provide a solar simulator with an adjustable divergence angle and a design method thereof.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve the technical problem that the existing solar simulator cannot adjust the divergence angle of light rays.
(II) technical scheme
In order to solve the technical problems, the invention provides a solar simulator with an adjustable divergence angle, which comprises a shell, a light source, an integrator, a reflecting mirror, a collimating mirror and a distance adjusting component, wherein the shell is fixedly connected to a roof, the light source adopts a xenon lamp, the number of output lenses of the integrator is within sixty, the light source and the integrator are arranged on the distance adjusting component, the distance adjusting component is arranged in the shell, the reflecting mirror is arranged on one side of the shell far away from the light source, the distance adjusting component drives the light source and the integrator to be close to or far away from the reflecting mirror, and the collimating mirror is arranged on one side of the reflecting mirror.
By adopting the technical scheme, under the condition that the light emitting parameters of the integrator are unchanged, the light source and the integrator are required to be moved simultaneously, the adjustment of the light beam divergence angle can be realized, the moving distance can be obtained according to the initial light path design, the variable and error generated during movement are reduced by utilizing the mode that the light source and the integrator are moved simultaneously, the adjustment of the divergence angle is ensured to have a shortcut and higher accuracy, the reflector is additionally arranged between the integrator and the collimating mirror, the minimum adjustment amplitude of the light beam divergence angle output by the collimating mirror can be about 0.5 degrees by utilizing the change of the reflection angle, so that the solar simulator can generate more diversified angle light rays, and the irradiation area of the solar simulator is more finely adjusted.
As a further explanation of the present invention, preferably, the distance adjusting member includes a connection plate, a driving motor, a screw and a driving block, the connection plate is fixedly connected to the light source and the integrator, the driving motor is fixedly connected to the housing, the screw is rotatably connected to the housing, the axis direction of the screw is horizontal and directed to the reflecting mirror, one end of the screw is fixedly connected to the output end of the driving motor, the driving block is screwed to the screw, and the driving block is fixedly connected to the connection plate.
Through adopting above-mentioned technical scheme, utilize motor drive lead screw rotation, can make the drive block drive the connecting plate motion, and then realize the regulation to light source and integrator position.
As a further explanation of the invention, preferably, a slide rail is fixedly connected in the shell, the length direction of the slide rail is the same as the axis direction of the screw rod, a slide block is slidingly connected on the slide rail, and the slide block is fixedly connected on the connecting plate.
Through adopting above-mentioned technical scheme, make light source and integrator not only can guarantee to remove smooth when removing, and the direction of movement is more stable to can also play the effect of sharing lead screw atress, avoid the lead screw to bear the weight of for a long time and appear warping, influence the problem of lead screw normal work.
As a further explanation of the present invention, preferably, the integrator is fixedly connected with a trumpet-shaped light collecting tube on one side close to the light source, one end of the light collecting tube with a large caliber is directed to the light source, one end of the connecting plate is fixedly connected with one end of the light collecting tube with a large caliber, and one end of the light collecting tube with a small caliber is fixedly connected with the integrator.
By adopting the technical scheme, the light can be reflected in the light collecting barrel, the light emitted by the light source can be basically collected, the light irradiated onto the inner wall of the light collecting barrel can be reflected onto the integrator, the light irradiated by the integrator is ensured to have enough brightness, the loss of the light source is greatly reduced, and the light utilization rate is improved.
As a further explanation of the present invention, it is preferable that a tungsten lamp is slidingly coupled to the housing at one side of the reflecting mirror, and the light irradiation direction of the tungsten lamp is directed to the collimator.
By adopting the technical scheme, the tungsten lamp and the xenon lamp light source are alternately used to make up the defect of the reflection spectrum of a single xenon lamp, so that the solar simulator has wider application range.
As a further explanation of the present invention, preferably, a heat dissipating fan is fixedly connected in the housing, and an air outlet of the heat dissipating fan is directed to the light source.
By adopting the technical scheme, the heat of the xenon lamp light source is reduced by matching with the interval between the light source and the light collecting barrel, and the influence of the light source service life caused by the overhigh temperature of the light source is avoided.
As a further explanation of the invention, preferably, a casing on one side of the reflecting mirror is provided with a light-passing hole, the lower end of the light-passing hole is provided with a steering component, the steering component comprises a steering motor, a gear and a slewing bearing, the steering motor is fixedly connected in the casing, the gear is fixedly connected at the output end of the steering motor, the inner ring of the slewing bearing is fixedly connected at the lower end of the light-passing hole, the outer ring of the slewing bearing is sleeved with a gear ring, the gear ring is meshed with the gear, the bottom of the outer ring of the slewing bearing is fixedly connected with a rotary shell, and the collimating mirror is arranged in the rotary shell.
Through adopting above-mentioned technical scheme, the rotation shell can rotate in vertical direction under the drive of steering component, and then the left and right sides direction of adjustable collimating mirror reflection light makes the irradiation range of this solar simulator bigger.
The invention also provides a design method of the solar simulator with adjustable divergence angle, which comprises the following steps,
i, designing and determining a main light path of the solar simulator according to the layout requirement of the solar simulator;
II, designing a light source and an integrator as a whole, and adjusting the distance between the light source and the integrator and a collimating mirror by integrally moving the positions;
III, determining the positions of a light source and an integrator as the initial position of movement when the divergence angle is minimum according to the main light path parameters designed in the first step; the divergence angle is adjusted by changing the distance between the light source and the integrator and the collimating mirror, and the position when the divergence angle is the maximum is the movement termination position of the light source and the integrator.
Through adopting above-mentioned technical scheme, utilize simple and easy measurement and calculation mode, can confirm the interval between integrator and the speculum through the number of degrees of required divergence angle, the regulation of follow-up motor of being convenient for cooperates the high accuracy position transmission of lead screw, greatly reduced divergence angle adjusts the degree of difficulty to make solar simulator can accurately carry out divergence angle location as required, guarantee that the experimental conclusion that corresponds is more accurate.
As a further illustration of the present invention, it is preferred that tungsten lamps be used instead of light sources based on xenon lamps when the desired emission spectrum is greater than 1100 nm.
By adopting the technical scheme, the application range of the solar simulator is increased, the solar simulator mainly comprising the tungsten lamp does not need to be purchased, and the experimental cost can be effectively saved.
(III) beneficial effects
The technical scheme of the invention has the following advantages:
1. according to the invention, under the condition that the light emitting parameters of the integrator are unchanged, the divergence angle can be changed by changing the distance between the integrator and the reflecting mirror, the light source and the integrator are designed into a whole, the position is integrally moved, the distance between the light source and the reflecting mirror is adjusted, and the irradiation area adjustment of the solar simulator is realized;
2. the slipping tungsten lamp is additionally arranged, so that the defect of the reflection spectrum of a single light source can be overcome, interference with light of a xenon lamp light source can be avoided, and the practicability of the solar simulator is improved.
3. The orientation of the collimating mirror can be changed in multiple directions, so that the solar simulator has a larger irradiation range, can adapt to experimental environments under different conditions, and improves the applicability of the solar simulator.
Drawings
FIG. 1 is a top plan view of the general assembly effect of the present invention;
FIG. 2 is a bottom view of the general assembly effect of the present invention;
FIG. 3 is a block diagram of a distance adjusting member of the present invention;
FIG. 4 is a view showing a position structure of a tungsten lamp according to the present invention;
FIG. 5 is a graph of light source and integrator position relationship of the present invention;
FIG. 6 is a plot of integrator versus light source position for a small divergence angle of the present invention;
fig. 7 is a graph of integrator versus light source position for large divergence angles in accordance with the present invention.
In the figure: 1. a housing; 11. rotating the shell; 12. a connecting flange; 13. a light-transmitting hole; 2. a light source; 21. a three-way regulator; 22. a power supply; 3. an integrator; 31. a light collecting cylinder; 4. a reflecting mirror; 5. a collimator lens; 51. a base; 6. a distance adjusting component; 61. a connecting plate; 62. a driving motor; 63. a screw rod; 64. a driving block; 65. a slide rail; 66. a slide block; 7. a tungsten lamp; 71. an electric push rod; 8. a heat radiation fan; 81. a heat dissipation surface cooler; 9. a steering member; 91. a steering motor; 92. a gear; 93. and (3) a slewing bearing.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The solar simulator with the adjustable divergence angle comprises a shell 1, a light source 2, an integrator 3, a reflecting mirror 4, a collimating mirror 5 and a distance adjusting component 6, wherein the shell 1 is a square shell, a connecting flange 12 is fixedly connected to the top of the shell 1, the shell 1 is fixedly connected to a roof through the connecting flange 12, the light source 2 adopts a xenon lamp, the number of output lenses of the integrator 3 is within sixty, the light source 2 and the integrator 3 are erected on the distance adjusting component 6, the distance adjusting component 6 is erected in the shell 1, the reflecting mirror 4 is a plane mirror, the reflecting mirror 4 is erected on one side of the shell 1 far away from the light source 2, the distance adjusting component 6 drives the light source 2 and the integrator 3 to be close to or far away from the reflecting mirror 4, a light through hole 13 is formed in the shell 1 on one side of the reflecting mirror 4, and the collimating mirror 5 is erected below the reflecting mirror 5 so that light can pass through the shell 1 to irradiate on the collimating mirror 5; the light generated by the light source 2 irradiates the integrator 3, the integrator 3 outputs multiple beams, the multiple beams irradiate the reflecting mirror 4, the multiple beams are reflected by the reflecting mirror 4 and then irradiate the collimating mirror 5, and the collimating mirror 5 reflects the beams to the area to be irradiated again.
With reference to fig. 3 and 4, under the condition that the light emitting parameters of the integrator 3 are unchanged, the light source 2 and the integrator 3 are moved at the same time, the adjustment of the light beam divergence angle can be realized, the moving distance can be obtained according to the initial light path design, the variable and error generated during the movement are reduced by using the mode that the light source 2 and the integrator 3 are moved at the same time, the quick way of adjusting the divergence angle and higher accuracy are ensured, the reflector 4 is additionally arranged between the integrator 3 and the collimating mirror 5, and the minimum adjustment amplitude of the light beam divergence angle output by the collimating mirror 5 can be about 0.5 degrees by utilizing the change of the reflection angle, so that the solar simulator can generate more diversified light rays with the divergence angle, and the irradiation area of the solar simulator is more finely adjusted.
Referring to fig. 3 and 5, the tail of the light source 2 is provided with a three-way regulator 21, the three-way regulator 21 is fixed in the shell 1, and fine adjustment of the light source 2 in the up-down, left-right, front-back positions can be realized by adjusting the three-way regulator 21, so that the optical axis of the light source 2 coincides with the central optical axis of the integrator 3; the light-collecting barrel 31 of loudspeaker form has been linked firmly to integrator 3 near light source 2 one side, the one end that light-collecting barrel 31 bore is big is directional light source 2, the one end that light-collecting barrel 31 bore is little links firmly with integrator 3, light-collecting barrel 31 embeds has the lens, but the light can reflect, not only can collect the light that the light source sent basically, can also all reflect to integrator 3 with the light that shines on the inner wall of light-collecting barrel 31 on, guarantee that the light that the integrator 3 shines has sufficient luminance, greatly reduced light source 2 light's loss volume, the improvement light utilization ratio.
Referring to fig. 3 and 4, the distance adjusting member 6 includes a connecting plate 61, a driving motor 62, a screw 63 and a driving block 64, the connecting plate 61 is a square steel plate, one end of the connecting plate 61 is fixedly connected with one end of the light collecting barrel 31 with a large caliber, the other end of the connecting plate 61 is fixedly connected to the outer cover of the light source 2, the driving motor 62 is fixedly connected in the outer cover 1, the screw 63 is rotationally connected in the outer cover 1, the axial direction of the screw 63 is horizontal and points to the reflecting mirror 4, one end of the screw 63 is fixedly connected with the output end of the driving motor 62, the driving block 64 is in threaded connection with the screw 63, the driving block 64 is fixedly connected to the connecting plate 61, when the divergence angle needs to be adjusted, the driving block 64 can drive the connecting plate 61 to move only by using the motor to drive the screw 63 to rotate, and then the adjustment of the positions of the light source 2 and the integrator 3 is realized, and the operation is simple and quick.
With reference to fig. 3 and 4, the sliding rail 65 is fixedly connected in the casing 1, the length direction of the sliding rail 65 is the same as the axis direction of the screw 63, the sliding block 66 is slidably connected on the sliding rail 65 and fixedly connected on the connecting plate 61, so that the light source 2 and the integrator 3 can move smoothly and the moving direction is more stable when moving, and the problem that the screw 63 deforms and affects the normal work of the screw 63 due to long-time bearing force of the screw 63 can be avoided due to the function of sharing the stress of the screw 63.
Referring to fig. 3 and 4, an electric push rod 71 is arranged on the housing 1 at one side of the reflecting mirror 4, the expansion and contraction direction of the electric push rod 71 is the same as the axial direction of the screw 63, a tungsten lamp 7 is fixedly connected to the output end of the electric push rod 71, the irradiation direction of light rays of the tungsten lamp 7 is directed to the collimating mirror 5, the electric push rod 71 stretches out to enable the tungsten lamp 7 to move to the light through hole 13, light emitted by the tungsten lamp 7 can irradiate to the collimating mirror 5, the electric push rod 71 contracts to enable the tungsten lamp 7 to move out of the light through hole 13, at the moment, the light source 2 is started to enable the light of the light source 2 to irradiate to the collimating mirror 5, and the tungsten lamp 7 and the xenon lamp light source 2 are used alternately to make up for the defect of single xenon lamp reflection spectrum, so that the solar simulator has a wider application range.
Referring to fig. 3 and 4, a cooling fan 8 is fixedly connected in the shell 1, an air outlet of the cooling fan 8 points to the light source 2, a cooling surface cooler 81 is arranged on one side of the reflecting mirror 4, and the heat of the xenon light source 2 is reduced by matching with the interval between the light source 2 and the light collecting barrel 31, so that the influence of the over-high temperature of the light source 2 on the service life of the light source is avoided; a power supply 22 is also arranged on one side of the reflector 4, and the power supply 22 is connected with the light source 2 and the tungsten lamp 7 so that the light source 2 and the tungsten lamp 7 can work normally.
Referring to fig. 3 and 6, the lower end of the light passing hole 13 is provided with a steering component 9, the steering component 9 comprises a steering motor 91, a gear 92 and a slewing bearing 93, the steering motor 91 is fixedly connected in the housing 1, the gear 92 is fixedly connected to the output end of the steering motor 91, the inner ring of the slewing bearing 93 is fixedly connected to the lower end of the light passing hole 13, the outer ring of the slewing bearing 93 is sleeved with a gear ring, the gear ring is meshed with the gear 92, the bottom of the outer ring of the slewing bearing 93 is fixedly connected with a rotating shell 11, a base 51 is fixedly connected in the rotating shell 11, the collimating mirror 5 is fixedly connected to the base 51, the rotating shell 11 can rotate in the vertical direction under the driving of the steering component 9, and the left and right directions of light reflected by the collimating mirror 5 can be adjusted, so that the irradiation range of the solar simulator is larger.
The invention also provides a design method of the solar simulator with adjustable divergence angle, which comprises the following steps of,
i, designing and determining a main light path of the solar simulator according to the layout requirement of the solar simulator;
II, designing the light source 2 and the integrator 3 as a whole, and adjusting the distance between the light source 2 and the integrator 3 and the collimating mirror 5 by moving the positions of the whole;
III, determining the positions of the light source 2 and the integrator 3 as the initial position of movement when the divergence angle is minimum according to the main light path parameters designed in the first step; the divergence angle is adjusted by changing the distances between the light source 2 and the integrator 3 and the collimator lens 5, and the position when the divergence angle is maximum is the movement termination position of the light source 2 and the integrator 3.
And IV, when the required emission spectrum is larger than 1100nm, the tungsten lamp 7 is selected to replace the light source 2 mainly composed of a xenon lamp, so that the application range of the solar simulator is increased, the solar simulator mainly composed of the tungsten lamp 7 is not required to be purchased, and the experimental cost can be effectively saved.
By adopting the method, the space between the integrator 2 and the collimating mirror 5 (which is equal to the linear distance of the reflecting mirror 4) can be determined by utilizing a simple measuring and calculating mode through the degree of the required divergence angle, the adjustment of a subsequent motor is facilitated, and the solar simulator can accurately position the divergence angle according to the requirement by matching with the high-precision position transmission of the screw 63, so that the corresponding experimental conclusion is ensured to be more accurate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A solar simulator with adjustable divergence angle, characterized in that: the light source (2) and the integrator (3) are erected on the distance adjusting component (6), the distance adjusting component (6) comprises a connecting plate (61), a driving motor (62), a lead screw (63) and a driving block (64), the connecting plate (61) is fixedly connected to the light source (2) and the integrator (3), the driving motor (62) is fixedly connected to the inside of the shell (1), the lead screw (63) is rotationally connected to the inside of the shell (1), the axis direction of the lead screw (63) is horizontal and points to the reflector (4), one end of the lead screw (63) is fixedly connected with the output end of the driving motor (62), the driving block (64) is in threaded connection with the lead screw (63), and the driving block (64) is fixedly connected to the connecting plate (61); one side of the integrator (3) close to the light source (2) is fixedly connected with a trumpet-shaped light collecting barrel (31), one end of the light collecting barrel (31) with a large caliber points to the light source (2), one end of the connecting plate (61) is fixedly connected with one end of the light collecting barrel (31) with a large caliber, one end of the light collecting barrel (31) with a small caliber is fixedly connected with the integrator (3), and a lens is arranged in the light collecting barrel (31) to reflect light; the distance adjusting component (6) is erected in the shell (1), the reflecting mirror (4) is erected on one side, far away from the light source (2), of the shell (1), the distance adjusting component (6) drives the light source (2) and the integrator (3) to be close to or far away from the reflecting mirror (4), and the collimating mirror (5) is erected below the reflecting mirror (4); a tungsten lamp (7) is connected on the shell (1) below the reflector (4) in a sliding way, and the light irradiation direction of the tungsten lamp (7) points to the collimating mirror (5).
2. A solar simulator with adjustable divergence angle as claimed in claim 1, wherein: the shell (1) is internally and fixedly connected with a sliding rail (65), the length direction of the sliding rail (65) is the same as the axis direction of the screw rod (63), the sliding rail (65) is connected with a sliding block (66) in a sliding manner, and the sliding block (66) is fixedly connected to the connecting plate (61).
3. A solar simulator with adjustable divergence angle as claimed in claim 1, wherein: a radiator fan (8) is fixedly connected in the shell (1), and an air outlet of the radiator fan (8) points to the light source (2).
4. A solar simulator with adjustable divergence angle as claimed in claim 1, wherein: the shell (1) of speculum (4) below has seted up logical unthreaded hole (13), and logical unthreaded hole (13) lower extreme has set up steering unit (9), and steering unit (9) are including turning to motor (91), gear (92) and slewing bearing (93), and steering motor (91) link firmly in shell (1), and gear (92) link firmly in steering motor (91) output, and slewing bearing (93) inner circle link firmly in logical unthreaded hole (13) lower extreme, and the ring gear has been cup jointed to slewing bearing (93) outer lane, the meshing of ring gear and gear (92), slewing bearing (93) outer lane bottom has linked firmly rotatory shell (11), and collimating mirror (5) are erect in rotatory shell (11).
5. The method for designing a solar simulator with adjustable divergence angle as claimed in claim 1, wherein: comprises the steps of,
i, designing and determining a main light path of the solar simulator according to the layout requirement of the solar simulator;
II, designing the light source (2) and the integrator (3) as a whole, and adjusting the distance between the light source (2) and the integrator (3) and the collimating mirror (5) by moving the positions of the whole;
III, determining the positions of the light source (2) and the integrator (3) as the initial position of movement when the divergence angle is minimum according to the main light path parameters designed in the first step; the divergence angle is adjusted by changing the distance between the light source (2) and the integrator (3) and the collimating mirror (5), and the position when the divergence angle is maximum is the movement termination position of the light source (2) and the integrator (3).
6. The method for designing a solar simulator with adjustable divergence angle as set forth in claim 5, wherein: when the required emission spectrum is more than 1100nm, a tungsten lamp (7) is selected to replace the light source (2) which is mainly a xenon lamp.
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| CN202010145576.2A CN111309054B (en) | 2020-03-05 | 2020-03-05 | Solar simulator with adjustable divergence angle and design method thereof |
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| CN115199967B (en) * | 2022-07-15 | 2024-01-12 | 北京环境特性研究所 | Irradiation distance adjustable solar simulator system |
| CN115095818B (en) * | 2022-07-15 | 2023-11-24 | 北京环境特性研究所 | Remote irradiation solar simulator system |
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