Sunlight simulation device

Abstract

The embodiment of the utility model provides a sunlight simulation device. The sunlight simulation device comprises a first profile frame, a second profile frame and a uniformity tool, the long-tube xenon lamp and the optical filter tool are arranged to form a linear light source, diffuse reflection is carried out on the linear light source through the diffuse reflection cavity, the area of the light source is increased, the uniform light source is adjusted through the uniformity tool to irradiate a test surface, and the quality of output light reaches the quality of space standard sunlight. Black flannelette is laid on the periphery of the second profile frame to guarantee that the periphery is free of reverse light sweeping, it is guaranteed that an incident light source is direct light, and the light source quality is enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of light source simulation, and in particular to a sunlight simulation device. Background Art

[0002] Solar cell modules, also known as solar panels, are the core and most valuable component of a solar power generation system. Their function is to convert solar energy into electrical energy, either for storage in batteries or to power a load. Solar energy is a renewable energy source, referring to the sun's thermal radiation energy, primarily manifested as sunlight. Solar cell modules absorb, convert, and utilize this light energy. However, after production, solar cell modules require IV and EL testing to ensure their quality.

[0003] Current simulated space solar simulators use a combination of multiple lights to illuminate a string of solar cells. However, due to the light coupling phenomenon among the multiple lights, the uniformity and light quality of the light source to the test surface are relatively poor. Summary of the Invention

[0004] The purpose of the embodiments of the present application is to provide a sunlight simulation device to solve the problems of poor uniformity from the light source to the test surface and poor light quality in existing sunlight simulation devices.

[0005] In a first aspect, an embodiment of the present application provides a sunlight simulation device, comprising:

[0006] A first profile frame, having first sealing plates provided on its top and surrounding portions, an inner cavity formed between the first profile frame and the first sealing plates, the inner cavity comprising a light guide cavity and a diffuse reflection cavity connected in sequence, a light source module for accommodating a long-tube xenon lamp provided on the top of the light guide cavity, the light source module comprising a connecting module, a xenon lamp mounting module, and a filter fixture provided in sequence, the connecting module connecting the top of the inner side of the first profile frame and the xenon lamp mounting module, the filter fixture being in contact with a lower end surface of the xenon lamp mounting module;

[0007] A second profile frame, having a second sealing plate provided around it, located at the bottom of the first profile frame, and having its inner sidewalls covered with black velvet;

[0008] The uniformity tool is arranged between the first profile frame and the second profile frame.

[0009] In the above implementation process, a linear light source is formed by setting up a long-tube xenon lamp and a filter tooling, and the linear light source is diffusely reflected by a diffuse reflection cavity to increase the light source area. The uniform light source is adjusted to illuminate the test surface through the uniformity tooling, so that the output light quality reaches the quality of standard space sunlight. In addition, black velvet is laid around the second profile frame to ensure that there is no reflected light around, ensuring that the incident light source is direct light, thereby enhancing the light source quality.

[0010] Furthermore, the connecting module includes a first connecting plate, a connecting rail, a pull-out handle and a second connecting plate, the first connecting plate is connected to the connecting rail, the second connecting plate is connected to the pull-out handle and the xenon lamp mounting module, and the pull-out handle is slidably connected to the connecting rail.

[0011] In the above implementation process, the xenon lamp installation module is installed in the first profile frame through the connecting module, and the pull-out handle is slidably connected to the connecting guide rail. By moving the pull-out handle, the second connecting plate and the xenon lamp installation module can be driven in and out, which facilitates the removal and replacement of the long-tube xenon lamp.

[0012] Furthermore, the xenon lamp mounting module includes a third connecting plate, a fourth connecting plate, a top support structure, a first support plate, a second support plate and a bottom support structure; the third connecting plate and the fourth connecting plate are respectively connected to both sides of the first connecting plate, and the third connecting plate and the fourth connecting plate are respectively connected to both sides of the second connecting plate; the third connecting plate and the fourth connecting plate are connected through the top support structure, the third connecting plate is connected to the bottom support structure through the first support plate, and the fourth connecting plate is connected to the bottom support structure through the second support plate; a xenon lamp accommodating cavity is formed between the third connecting plate, the top support structure, the fourth connecting plate, the first support plate, the second support plate and the bottom support structure.

[0013] In the above implementation process, the third connecting plate and the fourth connecting plate are connected to the connecting module, and a supporting structure is provided to form a xenon lamp accommodating cavity, thereby realizing the installation of the long-tube xenon lamp.

[0014] Furthermore, the top support structure is formed by a support top plate and support side plates on both sides to form a support groove structure, and aluminum profiles are respectively provided at the connections between the support side plates and the third connecting plate and the fourth connecting plate.

[0015] In the above implementation process, the installation of relevant components of the long-tube xenon lamp is achieved by providing a supporting groove structure.

[0016] Furthermore, insulating seats are provided on both sides of the inner side surface of the supporting top plate, and a cover plate is provided at the lower end of the insulating seat. The insulating seat includes a first insulating plate, an intermediate insulating block and a second insulating plate connected in sequence, the first insulating plate and the second insulating plate are symmetrical structures, and the lengths of the first insulating plate and the second insulating plate are both greater than the intermediate insulating block; an electrode seat for connecting a long-tube xenon lamp is provided below the intermediate insulating block.

[0017] In the above implementation process, an electrode seat is provided for mounting a long-tube xenon lamp, and an insulating seat is provided for protection.

[0018] Furthermore, a diffuse reflection plate is provided at the lower end of the supporting side plate.

[0019] In the above implementation process, a diffuse reflection plate is provided at the lower end of the supporting side plate to diffusely reflect the light source generated by the long-tube xenon lamp, ensuring that the light source generated by the long-tube xenon lamp is emitted toward the bottom.

[0020] Furthermore, the first support plate includes a first support block and a third sealing plate, and the first support block is located on both sides of the third sealing plate; the second support plate includes a second support block and a fourth sealing plate, and the second support block is located on both sides of the fourth sealing plate.

[0021] In the above implementation process, the cavity portion between the first support plate and the second support plate forms a xenon lamp accommodating cavity, and after the light source is generated in the cavity, it passes through the filter tooling below to form a linear light source.

[0022] Furthermore, the bottom support structure includes a support seal and a support side strip, the support seal connects the first support block and the second support block through a third support block, the support side strip connects the third sealing plate and the fourth sealing plate through a support bar beam, and the support bar beam connects the third support block.

[0023] In the above implementation process, the specific structure of the bottom support structure is set, so that the filter tooling can be installed and the structure of the entire xenon lamp installation module is guaranteed to be stable.

[0024] Furthermore, a light shielding sheet is provided on the lower end surface of the supporting seal.

[0025] In the above implementation process, a light shielding sheet is provided on the lower end surface of the supporting seal, that is, light shielding sheets are provided at both ends to avoid loss of the light source and ensure that the light source is emitted linearly in the same direction.

[0026] Furthermore, a plurality of first spacers arranged at intervals are provided between the support beams on both sides, and a plurality of second spacers arranged at intervals are provided between the support side bars on both sides; the filter tooling is accommodated between the first spacers and the second spacers.

[0027] In the above implementation process, the first spacer and the second spacer are provided to fix the filter fixture to ensure the stable installation of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the external structure of a sunlight simulation device provided in an embodiment of the present application;

[0030] Figure 2 A cross-sectional view of a sunlight simulation device provided in an embodiment of the present application, showing the structure of a xenon lamp mounting module;

[0031] Figure 3 This is an enlarged structural diagram of a xenon lamp installation module of a sunlight simulation device provided in an embodiment of the present application;

[0032] Figure 4 Another enlarged structural diagram of a xenon lamp mounting module of a sunlight simulation device provided in an embodiment of the present application;

[0033] Figure 5 A cross-sectional view of a sunlight simulation device provided in an embodiment of the present application, showing the structure of a connection module and a xenon lamp mounting module;

[0034] Figure 6 This is an enlarged structural diagram of a connection module of a sunlight simulation device provided in an embodiment of the present application;

[0035] Figure 7 A bottom view of a sunlight simulation device provided in an embodiment of the present application;

[0036] Among them, 10, first profile frame; 11, first sealing plate; 100, light guide cavity; 110, connection module; 111, first connection plate; 112, connection guide rail; 113, pull-out handle; 114, second connection plate; 120, xenon lamp installation module; 121, third connection plate; 122, fourth connection plate; 123, first support plate; 124, second support plate; 131, support top plate; 132, support side plate; 133, first insulation plate; 134, middle insulation block; 135, Second insulating plate; 136, electrode seat; 141, diffuse reflection plate; 151, first support block; 152, third sealing plate; 153, second support block; 154, fourth sealing plate; 161, support seal; 162, support side strip; 163, third support block; 164, support bar beam; 171, shading plate; 181, first spacer bar; 182, second spacer bar; 190, filter tooling; 200, diffuse reflection cavity; 20, second profile frame; 21, second sealing plate; 30, uniformity tooling. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0038] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0039] Please see Figure 1-7 , Figure 1 This is a structural diagram of a sunlight simulation device provided in an embodiment of the present application. The sunlight simulation device comprises: a first profile frame 10 , a second profile frame 20 and a uniformity tool 30 .

[0040] Among them, the first profile frame 10 is provided with a first sealing plate 11 on the top and around it, and an inner cavity is formed between the first profile frame 10 and the first sealing plate 11, and the inner cavity includes a light guide cavity 100 and a diffuse reflection cavity 200 connected in sequence. The top of the light guide cavity 100 is provided with a light source module for accommodating a long tube xenon lamp, and the light source module includes a connecting module 110, a xenon lamp mounting module 120 and a filter tooling 190 arranged in sequence. The connecting module 110 connects the top of the inner side of the first profile frame 10 and the xenon lamp mounting module 120, and the filter tooling 190 is fitted with the lower end surface of the xenon lamp mounting module 120.

[0041] The second profile frame 20 is provided with a second sealing plate 21 around its periphery, is located at the bottom of the first profile frame 10, and its inner side wall is covered with black velvet.

[0042] The uniformity tool 30 is provided between the first profile frame 10 and the second profile frame 20 .

[0043] Optionally, the uniformity tool 30 is made of quartz glass.

[0044] Optionally, the first covering panel 11 includes a top panel, a first side panel, a second side panel, a first main panel and a first back panel; wherein the first main panel can be an integrally formed whole main panel, or it can be obtained by two main panels being detachably connected. For example, the two main panels are connected via a connector to obtain the first main panel; wherein the first back panel can be an integrally formed whole back panel, or it can be obtained by two back panels being detachably connected. For example, the two back panels are connected via a hinge to obtain the first back panel.

[0045] Specifically, the xenon lamp mounting module 120 is installed in the light guide cavity 100 in the first profile frame 10 through the connecting module 110. A long tube xenon lamp is installed in the xenon lamp mounting module 120. A filter tool 190 is provided at the lower end of the xenon lamp mounting module 120. The light source of the long tube xenon lamp forms a linear light source through the filter tool 190 and enters the diffuse reflection cavity 200. The linear light source is diffusely reflected by the diffuse reflection cavity 200 to increase the area of ​​the light source. The uniform light source is adjusted to irradiate the test surface through the uniformity tool 30 provided between the first profile frame 10 and the second profile frame 20, so that the output light quality reaches the quality of space standard sunlight. In addition, black velvet is laid around the second profile frame 20 to ensure that there is no reflected light around, ensuring that the incident light source is direct light, thereby enhancing the quality of the light source.

[0046] In some embodiments, please refer to Figure 5 and Figure 6 The connecting module 110 includes a first connecting plate 111, a connecting guide rail 112, a pull-out handle 113 and a second connecting plate 114. The first connecting plate 111 is connected to the connecting guide rail 112, the second connecting plate 114 is connected to the pull-out handle 113 and the xenon lamp installation module 120, and the pull-out handle 113 is slidably connected to the connecting guide rail. Specifically, the xenon lamp installation module 120 is installed in the first profile frame 10 through the connecting module 110, and the pull-out handle 113 is slidably connected to the connecting guide rail, that is, the pull-out handle 113 and the connecting guide rail drive the first connecting plate 111 and the second connecting plate 114 to be slidably connected, so that moving the pull-out handle 113 can drive the second connecting plate 114 and the xenon lamp installation module 120 in and out, which is convenient for the removal and replacement of the long-tube xenon lamp.

[0047] In some embodiments, please refer to Figure 2-4The xenon lamp installation module 120 includes a third connecting plate 121, a fourth connecting plate 122, a top supporting structure, a first supporting plate 123, a second supporting plate 124 and a bottom supporting structure; the third connecting plate 121 and the fourth connecting plate 122 are respectively connected to both sides of the first connecting plate 111, and the third connecting plate 121 and the fourth connecting plate 122 are respectively connected to both sides of the second connecting plate 114; the third connecting plate 121 and the fourth connecting plate 122 are connected through the top supporting structure, the third connecting plate 121 is connected to the bottom supporting structure through the first supporting plate 123, and the fourth connecting plate 122 is connected to the bottom supporting structure through the second supporting plate 124; a xenon lamp accommodating cavity is formed between the third connecting plate 121, the top supporting structure, the fourth connecting plate 122, the first supporting plate 123, the second supporting plate 124 and the bottom supporting structure.

[0048] Optionally, the connections between the third connecting plate 121, the fourth connecting plate 122, the top support structure, the first support plate 123, the second support plate 124 and the bottom support structure can be welded, or can be connected by connecting parts, such as hinge connections, bolt connections, etc.; specifically, the third connecting plate 121 and the fourth connecting plate 122 are connected to the connecting module 110, and a support structure is set to form a xenon lamp accommodating cavity so that the long tube xenon lamp can be installed in the xenon lamp accommodating cavity.

[0049] In some embodiments, please refer to Figure 2-4 The top support structure is formed by a support top plate 131 and support side plates 132 on both sides to form a support groove structure, and the connection between the support side plates 132 and the third connecting plate 121 and the fourth connecting plate 122 is respectively provided with aluminum profiles.

[0050] Optionally, the connection between the supporting side plate 132 and the third connecting plate 121 and the fourth connecting plate 122 can be welded or connected by connecting parts, such as hinge connection, bolt connection, etc.; specifically, by setting a supporting groove structure, the installation of relevant components of the long tube xenon lamp can be achieved.

[0051] In some embodiments, please refer to Figure 2-4 Insulating seats are provided on both sides of the inner side surface of the supporting top plate 131, and a cover plate is provided at the lower end of the insulating seat. The insulating seat includes a first insulating plate 133, an intermediate insulating block 134 and a second insulating plate 135 connected in sequence. The first insulating plate 133 and the second insulating plate 135 are symmetrical structures and the lengths of the first insulating plate 133 and the second insulating plate 135 are both greater than those of the intermediate insulating block 134; an electrode seat 136 for connecting a long tube xenon lamp is provided below the intermediate insulating block 134.

[0052] Specifically, an electrode holder 136 is provided for installing a long-tube xenon lamp, and an insulating holder is provided for protection; further, the electrode holder 136 includes a positive electrode holder 136 and a negative electrode holder 136, and the positive and negative poles of the long-tube xenon lamp are respectively installed at the positive electrode holder 136 and the negative electrode holder 136, thereby achieving the fixation of the long-tube xenon lamp. Optionally, the distance between the positive electrode holder 136 and the negative electrode holder 136 is set according to the length of the long-tube xenon lamp.

[0053] In some embodiments, please refer to Figure 2-4 A diffuse reflection plate 141 is provided at the lower end of the supporting side plate 132; specifically, a diffuse reflection plate 141 is provided at the lower end of the supporting side plate 132 to diffusely reflect the light source generated by the long tube xenon lamp to ensure that the light source generated by the long tube xenon lamp is emitted toward the bottom.

[0054] In some embodiments, please refer to Figure 2-4 The first support plate 123 includes a first support block 151 and a third sealing plate 152, and the first support block 151 is located on both sides of the third sealing plate 152; the second support plate 124 includes a second support block 153 and a fourth sealing plate 154, and the second support block 153 is located on both sides of the fourth sealing plate 154; specifically, the cavity part between the first support plate 123 and the second support plate 124 forms a xenon lamp accommodating cavity, and after the light source is generated in the cavity, a linear light source is formed through the filter tooling 190 below.

[0055] In some embodiments, the bottom support structure includes a support seal 161 and a support side strip 162, the support seal 161 connects the first support block 151 and the second support block 153 through a third support block 163, the support side strip 162 connects the third sealing plate 152 and the fourth sealing plate 154 through a support bar beam 164, and the support bar beam 164 connects the third support block 163; specifically, the specific structure of the bottom support structure is set so that the filter tooling 190 can be installed and the structure of the entire xenon lamp installation module 120 is guaranteed to be stable.

[0056] In some embodiments, a light shielding sheet 171 is provided on the lower end surface of the support seal 161 , that is, light shielding sheets 171 are provided at both ends to avoid loss of light source and ensure that the light source is emitted linearly in the same direction.

[0057] In some embodiments, please refer to Figure 4 and Figure 5A plurality of first spacers 181 are arranged at intervals between the support beams 164 on both sides, and a plurality of second spacers 182 are arranged at intervals between the support side bars 162 on both sides; the filter tooling 190 is accommodated between the first spacers 181 and the second spacers 182; specifically, the first spacers 181 and the second spacers 182 are provided to fix the filter tooling 190 to ensure the stable installation of the filter, so that light can pass through the filter tooling 190 to form a linear light source, while avoiding the blocking of light by the installation structure of the filter.

[0058] Specifically, the positive and negative poles of the long-tube xenon lamp are respectively installed on the positive electrode seat 136 and the negative electrode seat 136 in the xenon lamp accommodating cavity. At the same time, the insulating seat next to the electrode seat 136 prevents power leakage of the long-tube xenon lamp and plays a role in safety protection. The upper structure of the long-tube xenon lamp is installed with a diffuse reflection plate 141. The diffuse reflection plate 141 diffusely reflects the light source generated by the long-tube xenon lamp to ensure that the light source generated by the long-tube xenon lamp is emitted toward the bottom. The light source emitted by the long-tube xenon lamp reaches the filter tooling 190 to form a linear light source. The linear light source enters the diffuse reflection cavity 200 and is diffusely reflected by the diffuse reflection cavity 200 to increase the light source area. The uniform light source is adjusted to irradiate the test surface through the uniformity tooling 30 provided between the first profile frame 10 and the second profile frame 20, so that the output light quality reaches the quality of space standard sunlight. In addition, black velvet is laid around the second profile frame 20 to ensure that there is no reflected light around, ensuring that the incident light source is direct light, thereby enhancing the light source quality.

[0059] The foregoing is merely an embodiment of the present application and is not intended to limit the scope of protection of the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures.

[0060] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

[0061] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. A sunlight simulation device, characterized in that: include: A first profile frame, having first sealing plates provided on its top and surrounding portions, an inner cavity formed between the first profile frame and the first sealing plates, the inner cavity comprising a light guide cavity and a diffuse reflection cavity connected in sequence, a light source module for accommodating a long-tube xenon lamp provided on the top of the light guide cavity, the light source module comprising a connecting module, a xenon lamp mounting module, and a filter fixture provided in sequence, the connecting module connecting the top of the inner side of the first profile frame and the xenon lamp mounting module, the filter fixture being in contact with a lower end surface of the xenon lamp mounting module; A second profile frame, having a second sealing plate provided around it, located at the bottom of the first profile frame, and having its inner sidewalls covered with black velvet; The uniformity tool is arranged between the first profile frame and the second profile frame.

2. The sunlight simulation device according to claim 1, characterized in that The connecting module includes a first connecting plate, a connecting rail, a pull-out handle and a second connecting plate. The first connecting plate is connected to the connecting rail, the second connecting plate is connected to the pull-out handle and the xenon lamp mounting module, and the pull-out handle is slidably connected to the connecting rail.

3. The sunlight simulation device according to claim 2, characterized in that The xenon lamp mounting module includes a third connecting plate, a fourth connecting plate, a top supporting structure, a first supporting plate, a second supporting plate and a bottom supporting structure; the third connecting plate and the fourth connecting plate are respectively connected to both sides of the first connecting plate, and the third connecting plate and the fourth connecting plate are respectively connected to both sides of the second connecting plate; the third connecting plate and the fourth connecting plate are connected through the top supporting structure, the third connecting plate is connected to the bottom supporting structure through the first supporting plate, and the fourth connecting plate is connected to the bottom supporting structure through the second supporting plate; a xenon lamp accommodating cavity is formed between the third connecting plate, the top supporting structure, the fourth connecting plate, the first supporting plate, the second supporting plate and the bottom supporting structure.

4. The sunlight simulation device according to claim 3, characterized in that The top support structure is formed by a support top plate and support side plates on both sides to form a support groove structure, and aluminum profiles are respectively provided at the connections between the support side plates and the third connecting plate and the fourth connecting plate.

5. The sunlight simulation device according to claim 4, characterized in that: Insulating seats are provided on both sides of the inner side surface of the supporting top plate, and cover plates are provided at the lower ends of the insulating seats. The insulating seats include a first insulating plate, an intermediate insulating block and a second insulating plate connected in sequence. The first insulating plate and the second insulating plate are symmetrical structures and the lengths of the first insulating plate and the second insulating plate are both greater than those of the intermediate insulating block; an electrode seat for connecting a long-tube xenon lamp is provided below the intermediate insulating block.

6. The sunlight simulation device according to claim 4, characterized in that: A diffuse reflection plate is provided at the lower end of the supporting side plate.

7. The sunlight simulation device according to claim 3, characterized in that: The first support plate includes a first support block and a third sealing plate, and the first support blocks are located on both sides of the third sealing plate; the second support plate includes a second support block and a fourth sealing plate, and the second support blocks are located on both sides of the fourth sealing plate.

8. The sunlight simulation device according to claim 7, characterized in that: The bottom support structure includes a support seal and a support side strip, the support seal connects the first support block and the second support block through a third support block, the support side strip connects the third sealing plate and the fourth sealing plate through a support bar beam, and the support bar beam connects the third support block.

9. The sunlight simulation device according to claim 8, characterized in that: The lower end surface of the supporting seal is provided with a light shielding sheet.

10. The sunlight simulation device according to claim 8, characterized in that: A plurality of first spacers arranged at intervals are provided between the support beams on both sides, and a plurality of second spacers arranged at intervals are provided between the support side bars on both sides; the filter tooling is accommodated between the first spacers and the second spacers.

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