Color design experimental instrument based on LED light source
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A technology of LED light source and experimental instrument, applied in the field of teaching instruments, can solve the problems of difficulty in distinguishing synthetic light and light to be matched, difficult to identify the color of synthetic light, unclear experimental phenomenon, etc., and achieves good popularization and application value and good monochromaticity. , colorful effect
Active Publication Date: 2017-11-10
UNIV OF SCI & TECH OF CHINA
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These two methods have the same defects. It is difficult for the human eye to recognize the color of the synthesized light, and it is difficult to distinguish the difference between the synthesized light and the light to be matched, and the difference between the synthesized light and the primary color light. The experimental phenomenon is not clear and the demonstration effect is poor; The device only has the demonstration function of "color light synthesis", and the experimental content is relatively simple
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[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] A color design experimental instrument based on LED light source, comprising a color-light synthesis box, a DC stabilized power supply, an illuminance meter, a miniature spectrometer, a white screen, a guide rail and a computer. The inside of the color light synthesis box is equipped with three flat light tubes with an angle of 120°, which have the same diameter and the same tube center distance. One end of the three parallel light tubes is respectively fixed with red, green, and blue light beams with a power of 1W. Brightness LED, and collimator and LED coaxial alignment. The upper panel of the color light synthesis box is a movable door with a handle; the front panel of the color light synthesis box has a circular light hole with a diameter of 10cm, and there is a slot on the inside of the front panel of the color light synth...
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Abstract
The invention discloses a color design experimental instrument based on an LED light source, and the experimental instrument comprises a colored light synthesizing box, a DC voltage-stabilizing power supply, and a guide rail. The experimental instrument also comprises a white screen, an illuminometer, and a miniature spectrometer. The interior of the colored light synthesizing box is provided with three collimating devices, each two of which form an inclined angle of 120 degrees. An upper panel of the colored light synthesizing box is a movable door with a handle. The front panel of the colored light synthesizing box is provided with a circular light hole with the diameter of 10cm, and the inner side of the front panel of the colored light synthesizing box is provides with a slot which is used for placing a plugboard. A side panel of the colored light synthesizing box is provided with three digital display volt-ammeters. The rear panel of the colored light synthesizing box is provided with four LED power supply jacks (three positive wiring terminals and one public negative wiring terminal). The guide rail is placed in front of the colored light synthesizing box. The white screen, the illuminometer or the probe of the miniature spectrometer can be placed on the guide rail according to the test demands, and the miniature spectrometer is connected with a computer. Through the structural design of the light source, the collimating devices enable the scattered light of an LED to be converted into parallel light for output. The light beams are uniform, are clear in imaging, are bright in color, and are easy to compare with the primary color.
Description
technical field [0001] The invention relates to the technical field of teaching instruments in the fields of optics and electricity, in particular to a color design experiment instrument based on an LED light source. Background technique [0002] Chromaticity is a science that studies color measurement, and its task is to study the qualitative and quantitative laws and applications of human color vision. Whether in textile, printing and dyeing, printing, dyes, coatings, plastics, food, paint, construction and other industries, or in metrology, medicine, television, film, photography, landscaping, traffic signals, product identification and remote sensing, information processing and space Various fields such as optics are inseparable from the measurement and research of color. Quantitative measurement of object color is complex, it involves the observer's visual physiology, visual psychology, lighting conditions, observation conditions and many other issues. In order to tra...
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