Modular solar simulator

Abstract

The utility model discloses a modularized solar simulator, which relates to the technical field of optical testing and comprises a simulation device and a lifting device, the simulation device comprises a lamp bank module and an optical module, the lamp bank module comprises a light source module, the light source module is used for simulating sunlight of different spectrums, and the optical module is used for optimizing reflection and focusing of light. Optical distortion is reduced, and a stable and uniform irradiation environment is provided; the lifting device comprises a reference plate, a driving assembly and a mounting plate, the reference plate is used for carrying a test object, the mounting plate is used for placing the simulation device, and the driving assembly comprises a hand wheel and a screw rod; the hand wheel is operated to drive the lead screw to rotate, so that the mounting plate is driven to ascend and descend, and the height of the simulation device is adjusted. According to the solar simulator, the adjustment precision and stability are ensured through transmission cooperation of a precision mechanism; the optical module can optimize reflection and focusing of light, reduce optical distortion and provide a stable and uniform irradiation environment.

Description

Technical Field

[0001] The utility model relates to the technical field of optical testing, in particular to a modular solar simulator. Background Art

[0002] As a device that simulates solar radiation, solar simulators are widely used in aerospace, photovoltaic material testing and other fields, and play an important role in scientific research and engineering applications that require simulating solar radiation environments. Through light sources similar to the solar spectrum and precisely controlled light intensity output, solar simulators can provide stable radiation conditions, providing important support for the research and development, testing and verification of various materials or systems.

[0003] At present, solar simulators usually use fixed light sources and simple reflector structures to generate solar spectra. They cannot adjust the height or the height adjustment lacks precision. In addition, the uniformity and stability of the irradiance plane are insufficient, and they cannot meet the experimental requirements for high irradiation conditions. Therefore, it is necessary to provide a solar simulator with precise height adjustment, good irradiance uniformity and stability to meet experimental needs. Utility Model Content

[0004] The utility model aims to provide a modular solar simulator, which solves the technical problems that the current solar simulator cannot adjust the height or the height adjustment lacks precision, and the uniformity and stability of the irradiance plane are insufficient.

[0005] To achieve the above object, the utility model provides a modular solar simulator, comprising:

[0006] The simulation device includes a lamp module and an optical module. The lamp module includes a light source module. The light source module is used to simulate sunlight of different spectra. The optical module is used to optimize the reflection and focusing of light, reduce optical distortion, and provide a stable and uniform irradiation environment.

[0007] A lifting device, comprising a reference plate, a driving assembly and a mounting plate, wherein the reference plate is used to carry the test object, the mounting plate is used to place the simulation device, and the driving assembly comprises a hand wheel and a screw rod;

[0008] Among them, operating the hand wheel can drive the screw to rotate, thereby driving the mounting plate to rise and fall, and adjusting the height of the simulation device.

[0009] Preferably, the drive assembly further comprises:

[0010] A mounting seat, fixedly arranged on the reference plate;

[0011] A gear transmission mechanism is arranged on the mounting seat;

[0012] A nut sleeve, fixedly arranged on the mounting plate;

[0013] Wherein, the hand wheel is connected to the input end of the gear transmission mechanism, one end of the screw rod is connected to the output end of the gear transmission mechanism, and the other end of the screw rod is threadedly connected to the nut sleeve.

[0014] Preferably, the lifting device further comprises a guide assembly, the guide assembly comprises a guide rod and a guide sleeve, the guide sleeve is fixedly disposed on the mounting plate, one end of the guide rod is fixedly connected to the reference plate, and the guide rod is slidably connected to the guide sleeve.

[0015] Preferably, the simulation device further comprises a base, and the lamp group module and the optical module are arranged on the base.

[0016] Preferably, the lamp group module further includes:

[0017] The heat dissipation module comprises a fan and heat dissipation fins, wherein the fan is fixedly mounted on a base, and the heat dissipation fins are fixedly connected to the base;

[0018] A feedback module, disposed on the base, for monitoring the output light intensity and spectral distribution of the light source module;

[0019] A control module, disposed on the base, for adjusting the light intensity and spectral output of the light source module, and receiving data from the feedback module for adjustment;

[0020] The power supply module is arranged on the base and is used to provide stable power to the light source module and the control module.

[0021] Preferably, the feedback module at least comprises a light intensity sensor and a spectrum sensor, the light intensity sensor is used to monitor the output light intensity of the light source module, and the spectrum sensor is used to monitor the spectrum distribution of the light source module.

[0022] Preferably, the optical module is located on a side of the base on which the light source module is provided, the optical module includes a light plate and a lens, the light plate is fixedly connected to the base, the lens is fixedly connected to the light plate, the lens is arranged parallel to the base, and a coating is provided on the inner side of the light plate, the coating is used to achieve light reflection.

[0023] Preferably, a light-transmitting hole is formed on the mounting plate, and a step portion is provided at the light-transmitting hole.

[0024] Preferably, a height marking line is provided on the guide rod.

[0025] Preferably, the simulation device is placed forwardly on the mounting plate in the lifting device or reversely on the mounting plate in the lifting device.

[0026] Compared with the above-mentioned background technology, the modular solar simulator provided by the utility model can achieve precise height adjustment, and ensures the accuracy and stability of height adjustment through the transmission cooperation of precision mechanisms such as gear transmission mechanism, screw rod, guide rod and guide sleeve; the optical module can optimize the reflection and focusing of light, reduce optical distortion, and provide a stable and uniform irradiation environment. On the premise of ensuring the stability of the working surface and the uniformity of irradiation, the distance between the device under test and the light-emitting surface of the solar simulator can be conveniently adjusted, overcoming the limitations of traditional simulators; the unique inverted installation design simplifies the operating process and improves the flexibility and experimental efficiency of the simulator; the spectral type and light intensity of the light source module are highly controllable, ensuring the versatility and repeatability of optical experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0028] Figure 1 A schematic diagram of the structure of a modular solar simulator provided by an embodiment of the utility model;

[0029] Figure 2 for Figure 1 A schematic diagram of a portion of the structure of a simulation device in the modular solar simulator shown;

[0030] Figure 3 for Figure 2 A schematic diagram of the structure from another perspective;

[0031] Figure 4 for Figure 1 A schematic diagram of the structure of a simulation device in a modular solar simulator is shown;

[0032] Figure 5 for Figure 1 Schematic diagram of the structure of the lifting device in the modular solar simulator shown.

[0033] Figures 1 to 51. The numerals in the figure are as follows: 10. simulation device; 11. base; 111. housing; 1111. heat dissipation hole; 12. lamp module; 121. heat dissipation module; 1211. fan; 1212. heat dissipation fins; 122. power module; 123. control module; 124. light source module; 1241. light source; 125. feedback module; 13. optical module; 131. light board; 132. lens; 20. lifting device; 21. reference plate; 211. lifting caster; 22. guide assembly; 221. guide rod; 2211. height marking line; 222. guide sleeve; 23. drive assembly; 231. mounting seat; 232. gear transmission mechanism; 233. hand wheel; 234. screw rod; 235. nut sleeve; 24. mounting plate; 241. light hole; 242. step portion. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0036] The utility model provides a modular solar simulator, which ensures adjustment accuracy and stability through the cooperation of a gear transmission mechanism 232, a screw rod 234, a guide rod 221 and a guide sleeve 222. The optical module 13 optimizes the reflection and focusing of light, reduces optical distortion, provides a stable and uniform irradiation environment, and solves the problems of inconvenient height adjustment and poor irradiance uniformity in the prior art.

[0037] Please refer to Figure 1 The modular solar simulator provided by the utility model includes a simulation device 10 and a lifting device 20 , and the simulation device 10 is detachably connected to the lifting device 20 .

[0038] Please refer to Figures 1 to 4 The simulation device 10 includes a base 11 , a lamp group module 12 and an optical module 13 , and the lamp group module 12 and the optical module 13 are arranged on the base 11 .

[0039] Please refer to Figures 1 to 4The base 11 is a roughly rectangular plate-shaped structure, and a shell 111 is provided on the base 11. The shell 111 is a roughly rectangular cover structure. In this embodiment, the base 11 and the shell 111 are detachably connected by bolts, which is convenient for installation. In other embodiments, the base 11 and the shell 111 can also be detachably connected by a snap connection, a buckle connection, etc., which is not specifically limited.

[0040] Please refer to Figures 1 to 4 The lamp module 12 is arranged on the base 11, and includes a heat dissipation module 121, a power module 122, a control module 123, a light source module 124 and a feedback module 125. The control module 123 is used to adjust the light intensity and spectrum output of the light source module 124, and receives data from the feedback module 125 for adjustment to complete closed-loop control; the power module 122 is used to provide stable power for the light source module 124 and the control module 123.

[0041] The heat dissipation module 121, the power module 122 and the control module 123 are arranged on the same side of the base, and the light source module 124 and the feedback module 125 are arranged on the other side of the base 11. The power module 122 and the control module 123 are arranged in the middle of the base.

[0042] Please refer to Figures 1 to 4 The heat dissipation module 121 includes multiple fans 1211 and multiple heat dissipation fins 1212. The fans 1211 are fixedly installed on the base 11. The fans 1211 accelerate the air flow to dissipate heat. The multiple fans 1211 are located at the edge of the base 11. The multiple fans 1211 surround the power module 122 and the control module 123 located in the middle of the base 11. Through such an arrangement, the heat dissipation effect is further improved.

[0043] The heat dissipation fins 1212 can increase the heat dissipation area and improve the heat dissipation efficiency. Specifically, the heat dissipation fins 1212 are fixedly connected to the base 11, and a plurality of heat dissipation fins 1212 are distributed in a rectangular array on the base 11. The power module 122 and the control module 123 are fixedly mounted on the heat dissipation fins 1212. Through such an arrangement, the heat dissipation of the base 11 can be uniform, and the local temperature can be prevented from being too high.

[0044] The fan 1211 and the heat sink fins 1212 are used together to effectively reduce the temperature and prevent the normal operation from being affected by excessive temperature.

[0045] The light source module 124 is electrically connected to the power module 122, and the power module 122 is used to supply power to the light source module 124. The light source module 124 includes a plurality of light sources 1241, which are distributed in a rectangular array on the base 11. The light source module 124 can simulate sunlight of different spectra to meet various irradiance experiments.

[0046] Please refer to Figures 1 to 4 The feedback module 125 is fixedly mounted on the base 11, and is used to monitor the output light intensity and spectral distribution of the light source module 124, and feed back the data to the control module 123. The feedback module 125 includes at least a light intensity sensor and a spectrum sensor, the light intensity sensor is used to monitor the output light intensity of the light source module 124, and the spectrum sensor is used to monitor the spectral distribution of the light source module 124.

[0047] Please refer to Figures 1 to 4 , the optical module 13 is arranged on the base 11, and is located on the side of the base 11 away from the power module 122, that is, the side where the light source module 124 is arranged. The optical module 13 includes a light plate 131 and a lens 132, wherein the light plate 131 is fixedly connected to the base 11, and the lens 132 is fixedly connected to the light plate 131, and the base 11, the light plate 131 and the lens 132 form a rectangular chamber. A coating is arranged on the inner side of the light plate 131 for realizing light reflection, and the lens 132 is arranged parallel to the base 11, and the optical distortion is corrected by the lens 132. The light emitted by the light source module 124 is emitted from the lens 132 after reflection and refraction. By arranging the coating arranged on the inner side of the lens 132 and the light plate 131, the reflection and focusing of the light are optimized, the optical distortion is reduced, and a more stable and uniform irradiation environment is provided.

[0048] Please refer to Figure 1 and Figure 5 The lifting device 20 includes a reference plate 21, a guide assembly 22, a driving assembly 23 and a mounting plate 24.

[0049] The reference plate 21 is used as a test platform for carrying the test object; the mounting plate 24 is arranged parallel to the reference plate 21, and a light-transmitting hole 241 is opened on the mounting plate 24, and a step portion 242 is arranged at the light-transmitting hole 241, and the simulation device 10 is arranged on the mounting plate 24 through the step portion 242.

[0050] Please refer to Figure 1 and Figure 5 The driving assembly 23 includes a mounting seat 231, a gear transmission mechanism 232, a hand wheel 233, a screw rod 234 and a nut sleeve 235. The mounting seat 231 is fixedly arranged on the reference plate 21, the gear transmission mechanism 232 is arranged on the mounting seat 231, and the hand wheel 233 is fixedly connected to the input end of the gear transmission mechanism 232;

[0051] The nut sleeve 235 is fixedly arranged on the mounting plate 24 , the screw rod 234 is vertically arranged, one end of the screw rod 234 is fixedly connected to the output end of the gear transmission mechanism 232 , and the other end of the screw rod 234 is threadedly connected to the nut sleeve 235 .

[0052] Specifically, the gear transmission mechanism 232 includes two meshing bevel gears, the hand wheel 233 is fixedly connected to one of the bevel gears, and the screw rod 234 is fixedly connected to the other bevel gear.

[0053] Please refer to Figure 1 and Figure 5 The guide assembly 22 includes a guide rod 221 and a guide sleeve 222. The guide rod 221 is vertically arranged, and one end of the guide rod 221 is fixedly connected to the top of the reference plate 21; the guide sleeve 222 is fixedly arranged on the mounting plate 24, and the guide rod 221 is slidably connected to the guide sleeve 222.

[0054] In this embodiment, there are four guide rods 221, which are respectively located at the four corners of the reference plate 21. The guide rods 221 correspond to the guide sleeves 222 one by one. Through such a setting, the stability of the lifting and lowering of the mounting plate 24 is further ensured. In other embodiments, the number and position of the guide rods 221 can be set according to actual needs, and are not specifically limited.

[0055] In some of these embodiments, please refer to Figure 1 and Figure 5 The bottom of the reference plate 21 is provided with four lifting casters 211, which are located at the four corners of the reference plate 21. On the one hand, the lifting casters 211 can make the lifting device 20 move more conveniently; on the other hand, the levelness of the reference plate 21 can be adjusted as the lifting casters 211 are raised and lowered.

[0056] In some of these embodiments, please refer to Figure 1 and Figure 5 A height marking line 2211 is provided on the guide rod 221 for the staff to accurately control and record the position height of the mounting plate 24 .

[0057] In some of these examples, please refer to Figure 1 The shell 111 is provided with heat dissipation holes 1111. By providing the heat dissipation holes 1111, the shell 111 can not only protect the power module 122 and the control module 123 on the base 11, but also facilitate heat dissipation.

[0058] In the modular solar simulator provided by the present invention, the simulation device 10 can be placed on the lifting device 20 in a forward direction, and the simulation device 10 can also be placed on the lifting device 20 in a reverse direction.

[0059] When the simulation device 10 is Figure 1 When placed forwardly on the lifting device 20 as shown, the lens 132 is located at the light-transmitting hole 241 of the mounting plate 24, and the light plate 131 abuts against the step portion 242 on the mounting plate 24;

[0060] The test object is placed on the reference plate 21, and the staff rotates the hand wheel 233 to drive the screw rod 234 to rotate, so that the mounting plate 24 drives the simulation device 10 to move up and down, and adjusts the distance between the light-emitting surface of the simulation device 10 and the test object; by adopting precision transmission mechanisms such as the gear transmission mechanism 232 and the screw rod 234, the height adjustment of the simulation device 10 can be made more accurate; during the process of lifting and lowering the mounting plate 24, it is guided by the guide sleeve 222 and the guide rod 221 to ensure the lifting stability.

[0061] After the height adjustment is completed, the power module 122 supplies power to the light source module 124 and the control module 123, and the light source 1241 in the light source module 124 emits light. The light source module 124 can simulate the spectral characteristics of sunlight, including light output of different wavelengths and intensities. The brightness and spectral output of the light source module 124 are adjusted by the control module 123, and the control module 123 can also set parameters such as irradiation intensity, wavelength and time. During use, the data provided by the feedback module 125 is used to ensure the stability and accuracy of the irradiance conditions during the experiment. After the experiment is completed, the experimental data is recorded and analyzed to evaluate the reliability and repeatability of the experimental results.

[0062] When the simulation device 10 is placed in reverse on the lifting device 20, the top of the shell 111 is located at the light-transmitting hole 241 of the mounting plate 24, and the shell 111 abuts against the limiting portion on the mounting plate 24; at this time, the test object is directly placed on the surface of the lens 132 for testing, thereby realizing instant irradiance testing and maximum irradiance testing.

[0063] The modular solar simulator provided by the utility model can achieve precise height adjustment. Under the premise of ensuring the stability of the working surface and the uniformity of irradiation, the distance between the device under test and the light-emitting surface of the solar simulator can be conveniently adjusted, thus overcoming the limitations of traditional simulators. The unique inverted installation design simplifies the operating process and improves the flexibility and experimental efficiency of the simulator. The spectral types and light intensity of the light source module 124 are highly controllable, thus ensuring the versatility and repeatability of optical experiments.

[0064] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0065] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the utility model.

Claims

1. A modular solar simulator, characterized in that: include: The simulation device comprises a lamp group module and an optical module, wherein the lamp group module comprises a light source module, wherein the light source module is used to simulate sunlight of different spectra, and the optical module is used to optimize the reflection and focusing of sunlight to provide a stable and uniform irradiation environment; A lifting device, comprising a reference plate, a driving assembly and a mounting plate, wherein the reference plate is used to carry the test object, the mounting plate is used to place the simulation device, and the driving assembly comprises a hand wheel and a screw rod; Among them, operating the hand wheel can drive the screw to rotate, thereby driving the mounting plate to rise and fall, and adjusting the height of the simulation device.

2. The modular solar simulator according to claim 1, characterized in that The drive assembly also includes: A mounting seat, fixedly arranged on the reference plate; A gear transmission mechanism is arranged on the mounting seat; A nut sleeve, fixedly arranged on the mounting plate; Wherein, the hand wheel is connected to the input end of the gear transmission mechanism, one end of the screw rod is connected to the output end of the gear transmission mechanism, and the other end of the screw rod is threadedly connected to the nut sleeve.

3. The modular solar simulator according to claim 1, characterized in that The lifting device also includes a guide assembly, which includes a guide rod and a guide sleeve. The guide sleeve is fixedly arranged on the mounting plate, one end of the guide rod is fixedly connected to the reference plate, and the guide rod is slidably connected to the guide sleeve.

4. The modular solar simulator according to claim 1, characterized in that The simulation device also includes a base, and the light group module and the optical module are arranged on the base.

5. The modular solar simulator according to claim 4, characterized in that The lamp group module also includes: The heat dissipation module comprises a fan and heat dissipation fins, wherein the fan is fixedly mounted on a base, and the heat dissipation fins are fixedly connected to the base; A feedback module, disposed on the base, for monitoring the output light intensity and spectral distribution of the light source module; A control module, disposed on the base, for adjusting the light intensity and spectral output of the light source module, and receiving data from the feedback module for adjustment; The power supply module is arranged on the base and is used to provide stable power to the light source module and the control module.

6. The modular solar simulator according to claim 5, characterized in that The feedback module at least includes a light intensity sensor and a spectrum sensor. The light intensity sensor is used to monitor the output light intensity of the light source module, and the spectrum sensor is used to monitor the spectrum distribution of the light source module.

7. The modular solar simulator according to claim 4, characterized in that The optical module is located on a side of the base where the light source module is arranged. The optical module includes a light plate and a lens. The light plate is fixedly connected to the base. The lens is fixedly connected to the light plate. The lens is arranged parallel to the base. A coating is arranged on the inner side of the light plate, and the coating is used to realize light reflection.

8. The modular solar simulator according to claim 1, characterized in that A light-transmitting hole is formed on the mounting plate, and a step portion is provided at the light-transmitting hole.

9. The modular solar simulator according to claim 3, characterized in that: A height marking line is arranged on the guide rod.

10. The modular solar simulator according to any one of claims 1 to 9, characterized in that: The simulation device can be placed forwardly on the mounting plate in the lifting device or reversely on the mounting plate in the lifting device.

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