CN210118644U - A large area array LED light source system for schlieren lighting - Google Patents
A large area array LED light source system for schlieren lighting Download PDFInfo
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- CN210118644U CN210118644U CN201920700796.XU CN201920700796U CN210118644U CN 210118644 U CN210118644 U CN 210118644U CN 201920700796 U CN201920700796 U CN 201920700796U CN 210118644 U CN210118644 U CN 210118644U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 238000005286 illumination Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 abstract description 7
- 239000010937 tungsten Substances 0.000 abstract description 7
- 238000009877 rendering Methods 0.000 abstract description 6
- -1 tungsten halogen Chemical class 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003384 imaging method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型涉及光源及照明技术领域，特别是涉及一种用于纹影照明的大面阵LED光源系统，其解决了现有卤钨灯光源在进行纹影照明过程中亮度低、显色差、纹影图像偏黄且散热效果差的问题。该系统包括大面阵LED、法兰外壳、电源接口、导热铜管以及散热装置；大面阵LED固定在法兰外壳中心，且位于散热装置的前方；电源接口安装在散热装置后端；导热铜管的一端与法兰外壳连接，另一端贯穿设置在散热装置内。
The utility model relates to the technical field of light sources and lighting, in particular to a large-area-array LED light source system for schlieren lighting, which solves the problem of low brightness, poor color rendering, and poor color rendering of existing tungsten halogen light sources during schlieren lighting. The schlieren image is yellowish and the heat dissipation effect is poor. The system includes a large area array LED, a flange housing, a power interface, a heat-conducting copper tube and a heat sink; the large area array LED is fixed in the center of the flange housing and located in front of the heat sink; the power interface is installed at the back of the heat sink; One end of the copper pipe is connected with the flange shell, and the other end is penetrated and arranged in the heat sink.
Description
技术领域technical field
本实用新型涉及光源及照明技术领域，特别是涉及一种用于纹影照明的大面阵LED光源系统。The utility model relates to the technical field of light sources and lighting, in particular to a large area array LED light source system for schlieren lighting.
背景技术Background technique
在纹影试验中，光源用于提供光路照明，光源发出的光首先经过聚焦镜头扩束，然后经过准直主反射镜准直为平行光束，光束经过测试区后经纹影主反射镜反射进入成像分系统，经成像系统处理后形成纹影图像。In the schlieren test, the light source is used to provide light path illumination. The light emitted by the light source is first expanded by the focusing lens, and then collimated into a parallel beam by the collimating main reflector. The beam passes through the test area and is reflected by the schlieren main reflector into the The imaging subsystem forms a schlieren image after being processed by the imaging system.
光源的选择主要从成像系统的光照度、可靠性、显色性三方面指标予以考虑。The choice of light source is mainly considered from the three aspects of illuminance, reliability and color rendering of the imaging system.
传统卤钨灯的发光面是由灯丝绕成一个近似的面光源，投影至狭缝处可明显看到灯丝像，且卤钨灯显色为乳白色，纹影图像偏黄。The light-emitting surface of the traditional tungsten halogen lamp is formed by a filament wound into an approximate surface light source, and the filament image can be clearly seen when projected to the slit, and the color of the tungsten halogen lamp is milky white, and the schlieren image is yellowish.
此外，卤钨灯发光过程中产生大量的热，由于散热较差，从而大大降低光源的使用寿命。In addition, the halogen tungsten lamp generates a lot of heat during the lighting process, and the service life of the light source is greatly reduced due to poor heat dissipation.
实用新型内容Utility model content
为了克服上述现有技术的不足，本实用新型提供了一种用于纹影照明的大面阵LED光源系统，其解决了现有卤钨灯光源在进行纹影照明过程中亮度低、显色差、纹影图像偏黄且散热效果差的问题。In order to overcome the above-mentioned deficiencies of the prior art, the present utility model provides a large area array LED light source system for schlieren lighting, which solves the problem of low brightness and poor color rendering of the existing tungsten halogen light source in the process of schlieren lighting. , The schlieren image is yellowish and the heat dissipation effect is poor.
本实用新型的具体技术方案是：The concrete technical scheme of the present utility model is:
本实用新型提供了一种用于纹影照明的大面阵LED光源系统，其特征在于：包括大面阵LED灯、法兰外壳、电源接口、导热铜管以及散热装置；The utility model provides a large-area-array LED light source system for schlieren lighting, which is characterized by comprising: a large-area-array LED lamp, a flange housing, a power interface, a heat-conducting copper tube and a heat sink;
大面阵LED固定在法兰外壳中心，且位于散热装置的前方；The large area LED is fixed in the center of the flange shell and in front of the heat sink;
电源接口安装在散热装置后端；The power interface is installed at the back of the heat sink;
导热铜管的一端与法兰外壳连接，另一端与贯穿设置在散热装置内。One end of the heat-conducting copper tube is connected with the flange shell, and the other end is arranged through the heat sink.
进一步地，上述大面阵LED为61个LED灯组成的六边形内接圆面阵。Further, the above-mentioned large area array LED is a hexagonal inscribed circular area array composed of 61 LED lamps.
进一步地，上述每一个LED灯的具体参数是：发光区域为Φ12mm，发光功率为40W，光通量最大为4000lm，发光效率为100lm/W。Further, the specific parameters of each of the above LED lights are: the light-emitting area is Φ12mm, the light-emitting power is 40W, the maximum luminous flux is 4000lm, and the light-emitting efficiency is 100lm/W.
进一步地，所述散热装置包括散热片以及紧贴散热片散热区域安装的至少一个风扇；Further, the heat dissipation device includes a heat sink and at least one fan installed close to the heat dissipation area of the heat sink;
进一步地，所述散热片采用多层褶皱翅片并排设置，整体呈矩形结构。Further, the radiating fins are arranged side by side by using multiple layers of corrugated fins, and have a rectangular structure as a whole.
进一步地，所述散热片中每层褶皱翅片之间的间隙为10mm。Further, the gap between each layer of corrugated fins in the heat sink is 10 mm.
进一步地，所述电源接口后接直流电源Further, a DC power supply is connected behind the power interface
进一步地，所述风扇为两个。Further, there are two fans.
本实用新型的有益效果如下：The beneficial effects of the present utility model are as follows:
一、本实用新型采用了大面阵LED纹影照明，相比于传统卤钨灯纹影光源，可获取高亮度、显色好、照度均匀的纹影图像，且LED纹影照明所得纹影图像背景为日光白，更加适合纹影照明。1. The utility model adopts large-area LED schlieren lighting. Compared with the traditional tungsten halogen lamp schlieren light source, the schlieren image with high brightness, good color rendering and uniform illumination can be obtained, and the schlieren image obtained by LED schlieren lighting The image background is daylight white, which is more suitable for schlieren lighting.
二、本实用新型采用导热铜管、散热片和风扇一体化的散热设计，有效解决系统过热受损问题，提高了光源的使用寿命。2. The utility model adopts an integrated heat dissipation design of a heat-conducting copper tube, a heat sink and a fan, which effectively solves the problem of overheating and damage to the system and improves the service life of the light source.
三、本实用新型中散热片采用多层褶皱翅片的设计，大大提高了散热面积，提高了散热效率。3. The heat sink in the utility model adopts the design of multi-layer corrugated fins, which greatly increases the heat dissipation area and improves the heat dissipation efficiency.
四、本实用新型采用两个风扇进行散热，进一步地的提高了散热的效果。Fourth, the utility model adopts two fans for heat dissipation, which further improves the effect of heat dissipation.
五、本实用新型采用直流电源为大面阵LED灯供电，可直接调节大面阵LED光照亮度，操作简单。5. The utility model uses a DC power supply to supply power to the large-area array LED lights, which can directly adjust the illumination brightness of the large-area array LEDs, and the operation is simple.
附图说明Description of drawings
图1为本实用新型的立体图；Fig. 1 is the perspective view of the utility model;
图2为本实用新型的侧视图；Fig. 2 is the side view of the utility model;
图3为大面阵LED的结构示意图。FIG. 3 is a schematic structural diagram of a large area array LED.
附图标记如下：The reference numbers are as follows:
1-大面阵LED灯、2-法兰外壳、3-导热铜管、4-散热片、5-风扇、6-电源接口。1-Large area LED lights, 2-Flange shell, 3-Conductive copper tube, 4-Heat sink, 5-Fan, 6-Power interface.
具体实施方式Detailed ways
为了详细说明本实用新型的结构特点及具体形式，现举实例并配合附图进行说明。In order to describe the structural features and specific forms of the present utility model in detail, examples are now given and described with the accompanying drawings.
如图1所示，一种用于纹影照明的大面阵LED光源系统，其特征在于：包括大面阵LED灯1、法兰外壳2、电源接口6、导热铜管3以及散热装置；As shown in FIG. 1, a large area array LED light source system for schlieren lighting is characterized in that it includes a large area array LED lamp 1, a flange housing 2, a power interface 6, a heat conducting
本实施例中，散热装置是由包括散热片4以及紧贴散热片散热区域(散热片形成的上、下两个平面)安装的至少一个风扇5组成(本例中风扇采用两个)。散热片4采用多层褶皱翅片并排设置，散热片4整体呈矩形结构。In this embodiment, the heat dissipation device is composed of a heat sink 4 and at least one fan 5 (two fans are used in this example) installed close to the heat dissipation area of the heat sink (upper and lower planes formed by the heat sink). The cooling fins 4 are arranged side by side by using multiple layers of corrugated fins, and the cooling fins 4 have a rectangular structure as a whole.
电源接口6外接直流电源。The power interface 6 is connected to an external DC power supply.
该光源的各部分连接结构如下：The connection structure of each part of the light source is as follows:
大面阵LED灯1固定在法兰外壳2中心，采用电源接口6后接直流电源对大面阵LED1供电，导热铜管3一端设置在法兰外壳上，另外一端贯穿(贯穿方向是从前至后)所有散热片4，两个风扇5分别安装于散热片4两侧。The large area array LED lamp 1 is fixed in the center of the flange housing 2, and the DC power supply is used to supply power to the large area array LED1. After) all heat sinks 4, two
散热原理：大面阵LED在工作过程中将热量通过法兰外壳、导热铜管传递至每一块散热片上，再经由两个风扇将热量传导至外部空气中。Heat dissipation principle: During the working process, the large area array LED transfers heat to each heat sink through the flange shell and the heat conducting copper tube, and then conducts the heat to the outside air through two fans.
其中，大面阵LED为61个LED灯组成的六边形内接圆面阵。每一个LED灯的参数如下：Among them, the large area array LED is a hexagonal inscribed circular area array composed of 61 LED lamps. The parameters of each LED light are as follows:
发光区域为Φ12mm，发光功率为40W，光通量最大为4000lm，发光效率为100lm/W。The luminous area is Φ12mm, the luminous power is 40W, the maximum luminous flux is 4000lm, and the luminous efficiency is 100lm/W.
尺寸(mm×mm)17.85×17.85；Dimensions (mm×mm) 17.85×17.85;
最大驱动电流(A)1.05；Maximum drive current (A) 1.05;
最大功率(W)40；Maximum power (W) 40;
光输出(lm)4000；Light output (lm) 4000;
光源发光尺寸(mm)12；Light source size (mm) 12;
视角(°)115。Viewing angle (°) 115.
本实用新型中的大面阵LED灯显色为日光色，纹影图较白，而彩色纹影系统恰恰要求的光源为白色，这样才能不影响彩色纹影系统成像，所以本实用新型的LED光源系统较之现有的卤钨灯更加适应于彩色纹影照明。The color rendering of the large-area LED lamp in the utility model is sunlight color, and the schlieren image is relatively white, and the light source required by the color schlieren system is white, so as not to affect the imaging of the color schlieren system, so the LED of the present utility model Compared with the existing tungsten halogen lamps, the light source system is more suitable for color schlieren lighting.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110159939A (en) * | 2019-05-15 | 2019-08-23 | 中国科学院西安光学精密机械研究所 | A kind of large area array LED light source system for schlieren illumination |
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| CN110159939A (en) * | 2019-05-15 | 2019-08-23 | 中国科学院西安光学精密机械研究所 | A kind of large area array LED light source system for schlieren illumination |
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