CN114526457A

CN114526457A - Sunlight simulator

Info

Publication number: CN114526457A
Application number: CN202011319477.8A
Authority: CN
Inventors: 何箐; 仓健; 严帅; 徐丽娜; 包国栋
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2022-05-24

Abstract

The invention provides a sunlight simulation device, wherein the device comprises: the lens barrel comprises a first lens barrel, a second lens barrel and a lens barrel, wherein a first opening and a second opening are respectively formed at two ends of the first lens barrel; the light emitting module is embedded in the first opening and used for emitting a first light beam; the first lens is embedded in the second opening and used for focusing the first light beam to generate a second light beam; the second lens cone is provided with a third opening and a fourth opening at two ends respectively; the diaphragm is fixedly connected with the second end of the first lens barrel and the first end of the second lens barrel, and the radiant quantity of the second light beam is adjusted to generate a third light beam; the first end of the third lens cone is connected with the second end of the second lens cone through threads; and the second lens is embedded into the sixth opening and used for focusing the third light beam to generate a fourth light beam matched with the characteristics of the sunlight. Thereby being capable of effectively carrying out sunlight focusing burning test on the object to be tested.

Description

Sunlight simulator

Technical Field

The invention relates to the technical field of sunlight simulation, in particular to a sunlight simulation device.

Background

In the related art, when a sunlight focusing burning test is performed on an object to be tested, the object to be tested is generally directly placed under sunlight for testing. However, this test method is susceptible to environmental factors, cannot effectively test the object to be tested when sunlight is weak, and has a complicated operation process.

Disclosure of Invention

The present invention provides a sunlight simulation apparatus for solving the above technical problems, which can generate a light beam matched with the characteristics of sunlight, thereby ensuring that the sunlight focusing firing test can be effectively performed on an object to be tested, avoiding the influence of the external environment on the object to be tested, and having convenient operation.

The technical scheme adopted by the invention is as follows:

a solar light simulation apparatus comprising: the first end of the first lens cone is provided with a first opening, and the second end of the first lens cone is provided with a second opening; the light emitting module is embedded into the first opening and used for emitting a first light beam; the first lens is embedded in the second opening and used for focusing the first light beam to generate a second light beam; a first end of the second lens barrel is provided with a third opening, and a second end of the second lens barrel is provided with a fourth opening; the diaphragm is fixedly connected to the second end of the first lens barrel and the first end of the second lens barrel and used for adjusting the radiation quantity of the second light beam to generate a third light beam; a first end of the third lens cone is provided with a fifth opening, a second end of the third lens cone is provided with a sixth opening, and the first end of the third lens cone is connected with the second end of the second lens cone through threads; and the second lens is embedded into the sixth opening and used for focusing the third light beam to generate a fourth light beam matched with the characteristics of the sunlight.

The first lens cone, the second lens cone and the diaphragm are fixedly connected through screws.

The light-emitting module comprises a light-emitting light source, a clamp and a heat conduction unit; the luminous light source is arranged in the heat conduction unit through the clamp, and the luminous light source is used for emitting the first light beam; the first end of the heat conducting unit is embedded into the first opening, and the heat conducting unit is used for transferring heat generated by the light emitting source.

The sunlight simulation apparatus further includes: the radiator is connected with the second end of the heat conduction unit and used for absorbing heat generated by the light-emitting source and transferred by the heat conduction unit.

The second end of the heat conducting unit is connected with the radiator through a screw.

The sunlight simulation apparatus further includes: the fan is arranged opposite to the radiator and used for blowing heat in the radiator into the external environment.

The first lens and the second lens are both composed of N-BK7 material.

The invention has the beneficial effects that:

the invention can generate light beams matched with the characteristics of sunlight, thereby ensuring that the sunlight focusing firing test can be effectively carried out on the object to be tested, avoiding the influence of the external environment on the object to be tested, and having convenient operation.

Drawings

Fig. 1 is an exploded schematic view of a solar simulator according to an embodiment of the present invention;

FIG. 2 is a schematic view of a beam propagation path of a solar simulator according to an embodiment of the present invention;

fig. 3 is an exploded view of a solar simulator according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is an exploded schematic view of a solar light simulation apparatus according to an embodiment of the present invention.

As shown in fig. 1, a solar light simulation apparatus 10 according to an embodiment of the present invention may include: the lens barrel comprises a first barrel 100, a light emitting module 200, a first lens 300, a second barrel 400, a diaphragm 500, a third barrel 600 and a second lens 700.

A first opening is formed at a first end of the first lens barrel 100, and a second opening is formed at a second end of the first lens barrel 100; the light emitting module 200 is embedded in the first opening, wherein the light emitting module 200 is used for emitting a first light beam; the first lens 300 is inserted into the second opening to focus the first light beam to generate a second light beam, wherein the first lens 300 can be pressed into the second opening by the first pressing cover 800 and fixed to the second end of the first barrel 100 by a screw (of course, other manners can be used, for example, the first lens 300 can be inserted into the second opening by a snap); a third opening is formed at the first end of the second lens barrel 400, and a fourth opening is formed at the second end of the second lens barrel 400; the diaphragm 500 is fixedly connected to the second end of the first barrel 100 and the first end of the second barrel 400, and is used for adjusting the radiation amount of the second beam to generate a third beam; a fifth opening is formed at the first end of the third lens barrel 600, a sixth opening is formed at the second end of the third lens barrel 600, wherein the first end of the third lens barrel 600 is connected with the second end of the second lens barrel 400 through a thread; the second lens 700 is inserted into the sixth opening for focusing the third light beam to generate a fourth light beam matching with the characteristic of the sunlight, wherein the second lens 700 can be pressed in the sixth opening by the second pressing cover 900, and the second pressing cover 900 can be connected with the second end of the third barrel 600 by a threaded connection. The first lens 300 and the second lens 700 are both formed by two double-cemented lenses, and the first lens 300 and the second lens 700 are both formed by N-BK7 material.

According to an embodiment of the present invention, as shown in fig. 1, the first barrel 100, the second barrel 400 and the diaphragm 500 are fixedly connected by screws. That is, the diaphragm 500 is interposed between the first barrel 100 and the second barrel 400, and the first barrel 100, the diaphragm 500, and the second barrel 400 may be connected and fixed using screws.

According to an embodiment of the present invention, as shown in fig. 1, the light emitting module 200 may include a light emitting source 210, a yoke 220, and a heat conducting unit 230. Wherein, the light source 210 is disposed in the heat conducting unit 230 through the clamp 220, and the light source 210 is configured to emit a first light beam; the first end of the heat conducting unit 230 is embedded in the first opening, and the heat conducting unit 230 is used for transferring heat generated by the light emitting source 210. The light source 210 may be a short-arc xenon lamp.

Specifically, according to the solar simulator 10 of the above embodiment, as shown in fig. 2, the light emission center of the light emission source 230 is located at the focal point of the first lens 300, and the center of the aperture stop 500 and the focal point of the second lens 700 are located on the same optical axis. After the light emitting source 230 emits the first light beam, the first light beam may be focused through the first lens 300 to generate a second light beam, and then the radiation amount of the second light beam, that is, the brightness degree, may be adjusted by adjusting the aperture size of the stop 500 to generate a third light beam, and then the distance between the second lens 700 and the stop 500 may be adjusted by rotating the third barrel 600 (for different embedding manners of the second lens 700 and the third barrel 600, the distance between the second lens 700 and the stop 500 may be adjusted in different manners), so as to adjust the focal length of the third light beam, that is, the third light beam may be focused again through the second lens to generate a fourth light beam with uniform light spot, collimated light beam, and spectrum matched with the characteristics of sunlight.

Therefore, the sunlight simulator can generate light beams matched with the characteristics of sunlight, so that the sunlight focusing firing test can be effectively carried out on the object to be tested, the influence of the external environment on the object to be tested is avoided, and the operation is convenient.

It should be noted that, during the process of the light emitting source 210 emitting light, the temperature thereof will be higher and higher, and when the temperature reaches a certain height, the light emitting source will be burnt, therefore, in the embodiment of the present invention, a heat conducting unit 230 is further provided, wherein the heat conducting unit 230 may be a ceramic insulator with high thermal conductivity, and the heat of the light emitting source 210 can be transferred through the heat conducting unit 230, so as to cool the light emitting source 210.

The following describes how to cool down the light source 210 in detail with reference to specific embodiments.

According to an embodiment of the present invention, as shown in fig. 3, the solar simulator 10 may further include a heat sink 1000, wherein the heat sink 1000 is connected to the second end of the heat conducting unit 230, and the heat sink 1000 is used for absorbing heat generated by the luminescent light source 210 transferred by the heat conducting unit 230. Wherein, the second end of the heat conducting unit 230 may be connected to the heat sink 1000 by a screw.

Specifically, the heat sink 1000 may be a water-cooled heat sink, and as a possible implementation, the heat conducting unit 230 may transfer heat generated by the light emitting source 210 into the heat sink 1000 to directly cool down through the heat sink 1000, so as to reduce the temperature of the light emitting source 210.

It should be noted that the heat conducting unit 230 has a good insulating property besides a high thermal conductivity, so as to separate the light emitting source 210 from the lens barrels and the heat sink 1000, and avoid short circuit.

According to an embodiment of the present invention, as shown in fig. 3, the solar simulator 10 may further include a fan 1100, wherein the fan 1100 is disposed opposite to the heat sink 1000, and the fan 1100 is used to blow heat in the heat sink 1000 into the external environment.

Specifically, as another possible embodiment, after the heat sink 1000 absorbs the heat generated by the light emitting sources 210 transmitted by the heat conducting unit 230, the heat in the heat sink 1000 may be blown into the external environment by the fan 1100 in a forced convection manner, so as to reduce the temperature of the light emitting sources 210.

In summary, according to the sunlight simulation apparatus of the embodiment of the present invention, the two ends of the first barrel are respectively provided with the first opening and the second opening, the light emitting module is embedded in the first opening to emit the first light beam, and focuses the first light beam through the first lens embedded in the second opening to generate the second light beam, the two ends of the second barrel are respectively provided with the third opening and the fourth opening, the radiation amount of the second light beam is adjusted through the diaphragms fixedly connected to the second end of the first barrel and the first end of the second barrel to generate the third light beam, the two ends of the third barrel are respectively provided with the fifth opening and the sixth opening, and the third light beam is focused through the second lens embedded in the sixth opening to generate the fourth light beam matching with the characteristics of the sunlight. Therefore, light beams matched with the characteristics of sunlight can be generated, so that the sunlight focusing firing test can be effectively carried out on the object to be tested, the influence of the external environment on the object to be tested is avoided, and the operation is convenient.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The meaning of "plurality" is two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.

The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Further, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.

The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A solar light simulation apparatus, comprising:

the first end of the first lens barrel is provided with a first opening, and the second end of the first lens barrel is provided with a second opening;

a light emitting module embedded in the first opening, wherein the light emitting module is configured to emit a first light beam;

a first lens embedded in the second opening to focus the first light beam to generate a second light beam;

a first end of the second lens barrel is provided with a third opening, and a second end of the second lens barrel is provided with a fourth opening;

the diaphragm is fixedly connected to the second end of the first lens barrel and the first end of the second lens barrel and used for adjusting the radiant quantity of the second light beam to generate a third light beam;

a first end of the third lens cone is provided with a fifth opening, a second end of the third lens cone is provided with a sixth opening, and the first end of the third lens cone is connected with the second end of the second lens cone through threads;

a second lens embedded in the sixth opening for focusing the third light beam to generate a fourth light beam matching the characteristics of the sunlight.

2. The sunlight simulation device of claim 1, wherein the first barrel, the second barrel and the diaphragm are fixedly connected by screws.

3. The solar simulator of claim 1, wherein the light module comprises a light source, a yoke, and a heat conducting unit; wherein,

the light-emitting light source is arranged in the heat conduction unit through the clamp, and the light-emitting light source is used for emitting the first light beam;

the first end of the heat conducting unit is embedded into the first opening, and the heat conducting unit is used for transferring heat generated by the light emitting source.

4. The solar simulator according to claim 3, further comprising: the radiator is connected with the second end of the heat conduction unit and used for absorbing heat generated by the light-emitting source and transferred by the heat conduction unit.

5. The solar simulator of claim 4, wherein the second end of the heat conducting unit is connected to the heat sink by a screw.

6. The solar simulator of claim 5, further comprising:

the fan is arranged opposite to the radiator and used for blowing heat in the radiator into the external environment.

7. The solar simulator of any one of claims 1-6 wherein the first and second lenses are each comprised of N-BK7 material.