3results about How to "Control frequency" patented technology

The utility model provides a novel LED light supplementing lamp, include: base component includes the bottom disc and a plurality of trundle, support component includes vertical support rod, horizontal support rod, swing bar, swing piece and connecting piece, vertical support rod is located on the bottom disc, horizontal support rod detachably is sleeved on vertical support rod, light supplementing component includes light supplementing lamp tray and light control box, light supplementing lamp tray articulates on connecting piece, the disc surface of light supplementing lamp tray is evenly arranged with a plurality of LED lamp holder from the circumference of circle to the edge, and light control box is connected with light supplementing lamp tray wire. The utility model discloses through support component can adjust the height, position and angle of light supplementing component at random, and light control box can control the luminance, running time, frequency of lamp tray, so that the utility model discloses not only can adapt to people's various sitting posture, make the vertical illumination of light supplementing component can adapt to the light receiving direction of retina, thereby making the utility model realize better practical effect.

The application discloses a kind of polyurethane processing utensil cleaning device and its optimized cleaning method, method includes: multi-view image acquisition and processing, based on Gorkin theorem calculation residual amount;Multiple cleaning and shooting intermediate / second image;Analysis residual amount difference, draw cleaning curve to determine the best duration and control parameter, guide subsequent cleaning.The device includes cleaning shell, control shell, heating chamber, ultrasonic transducer and temperature control system.The application realizes accurate cleaning by residual amount detection and dynamic parameter optimization, improves efficiency and reduces energy consumption, and is suitable for polyurethane processing industry.

The utility model relates to the technical field of optical fiber laser, specifically relates to a kind of based on phase continuous sweep frequency optical fiber laser, including shell, the inside one side of shell is fixedly installed with the multimode pump transmitter for emitting laser source, the output end of multimode pump transmitter is provided with phase modulator, the other end of phase modulator is provided with first fiber grating, the one side of first fiber grating away from phase modulator is connected with optical fiber body, the other end of optical fiber body is fixedly connected with second fiber grating, the other side of second fiber grating is fixedly connected with the multimode pump coupler of emission gain rear laser.Compared with prior art, the utility model, by being provided with first fiber grating and second fiber grating cooperate optical resonant cavity, and in optical resonant cavity outer wrapping heat pipe, the frequency of stable optical resonant cavity is ensured the stability of laser output frequency, and optical path length drift caused by heat effect can be reduced.