2results about How to "Improve automation control" patented technology

The utility model relates to an optical fiber optical tweezers surface enhanced Raman microfluid detection system, and belongs to the field of biochemical analysis instruments. The system comprises a fishbone-shaped microfluidic substrate, a microsphere control optical fiber, a Raman excitation light transmission optical fiber, a Raman signal receiving optical fiber, a capture light source, a Raman excitation light source, a spectrograph, an electric control displacement platform and a control system, the fishbone-shaped microflow substrate provides a groove for fluid to pass through, and also provides grooves for placing the microsphere control optical fiber, the Raman excitation light transmission optical fiber and the Raman signal receiving optical fiber; the microsphere control optical fiber is arranged on the electric control displacement platform and is connected with the capture light source, so that the distance between microspheres can be regulated and controlled, and the sensitivity enhancement factor of the detection system can be dynamically regulated; the front ends of the Raman signal receiving optical fiber and the Raman exciting light transmission optical fiber are immersed into a central detection area of the fishbone-shaped microflow substrate, and the rear ends of the Raman signal receiving optical fiber and the Raman exciting light transmission optical fiber are respectively connected with the spectrometer and the Raman exciting light source.

The application discloses a kind of material accurate reaction blending system and blending method, including material reaction adjusting tank, material feeding system, material main circulating system and blending agent adding system, material mixing area is equipped in material reaction adjusting tank, material main circulating system includes circulating pipeline and the circulating pump on circulating pipeline, circulating pipeline two ends are connected with the bottom and upper portion of material reaction adjusting tank respectively, form closed loop circulating loop and on-line detect material characteristic parameter, blending agent adding system independently controls the adding amount of one or more kinds of blending agent according to detection parameter, realizes the accurate reaction blending of material.The application guarantees that material is mixed fully by closed loop circulation and multistage mixing, uses main, branch pipeline grading flow regulation to realize high-precision control, and can be linked to control temperature and liquid level, degree of automation is high, effectively solve the problems, such as low precision, poor mixing, complex operation, reagent waste of traditional system, system runs stably and reliably, and has strong versatility.