Light source system applicable to tomato color sorting machine

Abstract

The invention discloses a light source system applicable to a tomato color sorting machine. The light source system comprises a light source plate, a radiator, a lens and a lens bracket, wherein the light source plate comprises a light source LED, an LED drive circuit and a metal base circuit board, the lens is fixed on the radiator through the lens bracket, and the light source plate is located between the lens and the radiator and fixed on the radiator. The light source system abandons an idea of adopting a combination of various monochromatic light LEDs as a light source of the tomato color sorting machine, adopts a composite white-light LED as the light source of the tomato color sorting machine, reduces LED varieties, simplifies a light source driving circuit structure and increases LED installation density; on the basis, the optical lens member is added, so that the illumination intensity of the light source is probable to be improved, and the color sorting effect is enhanced; therefore, the light source system is applicable to the tomato color sorting machine operating indoors or under the condition of field sunshine.

Description

technical field [0001] The invention relates to a color sorter device, in particular to a light source system suitable for a tomato color sorter. Background technique [0002] The light source of the color sorter is an important part of the color sorter. By providing sufficient light and suitable spectral components, the color sorter can complete the work of color sorting. Due to the spectral characteristics of the sorting objects and the particularity of the working environment, the tomato color sorter has some special requirements for the light source. [0003] The tomato color sorter mainly relies on the difference in the intensity and spectrum of reflected light between immature tomatoes and mature tomatoes to achieve tomato sorting. Unripe tomatoes are turquoise and slightly whitish, while ripe tomatoes are distinctly red inside and out. This is due to the gradual decomposition of chlorophyll and other light-reflecting substances during the tomato ripening process, an...

AI Technical Summary

Problems solved by technology

Therefore, the illuminance of the tomato color sorter light source is relatively small compared to sunlight, which causes the tomato color sorter to be greatly affected when the sunlight illuminance changes.

In the past, tomato color sorters working indoors mostly used hoods to shield the impact of sunlight on the color sorter, but there were problems such as complex structure, many parts, and large volume.

However, the tomato color sorter installed on the harvester outdoors is limited by the mechanical structure and installation space, and it is difficult to completely cover the sunlight. This requires its light source to solve the problem of completing the sorting target under the sunlight.

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