2results about How to "Improve light source utilization" patented technology

The utility model provides a kind of for the illumination reaction device of alfacalcidol, including the liquid storage tank to be lighted, circulating pump and illumination reaction tank formed by pipeline connection circulation passway, wherein: illumination reaction tank center is provided with the LED light of cylindrical shape, and there are a plurality of upper and lower interval arrangement partition plates in periphery, and the serpentine reaction channel of upper and lower bending is formed between a plurality of partition plates.The utility model illumination reaction device can realize uniform stable illumination reaction by the design of illumination reaction tank and serpentine reaction channel, reduce the optical path of reaction liquid, improve alfacalcidol illumination reaction efficiency and product quality consistency, effectively overcome the technical defects of traditional equipment.

The application relates to the technical field of automobile lamps, and provides a vehicle lamp outer lens, a vehicle lamp and a preparation method suitable for the vehicle lamp outer lens, which comprises the following steps: S1, printing a required black pattern on a film structure through an oil printing technology; S2, placing the film structure after the oil printing into a pressing mold to press the film structure into a required outer lens shape; S3, placing the film structure after the pressing into an injection molding mold, controlling the injection molding mold to be closed and injecting a base material to form a base layer on the film structure; S4, taking the product out of the injection molding mold and placing the product into an annealing device to perform annealing treatment; and S5, taking the product out of the annealing device after the annealing of the product is completed. Compared with the prior art, the application solves the problems of additional hardening coating and poor impact resistance of pure PMMA material, and has the advantages of low cost and high light transmittance.