3results about How to "Help to separate" patented technology

This application provides a method, apparatus, and device for measuring mass flow rate based on a mass flow meter. The method includes: acquiring a first measurement signal from a measurement sensor based on a first time period; measuring the mass flow rate parameters of a fluid to be detected within the mass flow meter based on the first measurement signal; if the fluid to be detected is determined to include a gas-liquid two-phase fluid based on the first measurement signal, updating the current operating mode of the mass flow meter to a dual-frequency excitation operating mode; acquiring a second measurement signal from the measurement sensor based on a second time period; if the current operating mode is the dual-frequency excitation operating mode, generating a high-frequency auxiliary excitation signal and a low-frequency auxiliary excitation signal based on the second measurement signal, and generating a first control signal based on the high-frequency auxiliary excitation signal and the low-frequency auxiliary excitation signal; and controlling a vibration sensor to vibrate the mass flow meter through the first control signal. With this solution, in the dual-frequency excitation operating mode, bubble noise interference can be suppressed, and mass flow rate can be accurately measured.

The utility model discloses an automatic material taking and placing manipulator relates to manipulator technical field, the utility model discloses a mechanical arm body, the execution end fixedly connected with connecting seat of mechanical arm body, the bottom surface fixed mounting of connecting seat has two groups of pneumatic push rod, the surface of pneumatic push rod is provided with visual detection mechanism, the utility model discloses, through pneumatic push rod makes drive elastic connection component and pneumatic sucking disc vertical movement, makes pneumatic sucking disc and workpiece contact, through the elastic connection component when picking workpiece provides certain elastic buffer, avoids damaging workpiece or leading to workpiece to slip because of rigid contact, and pneumatic sucking disc generates negative pressure through pneumatic system to adsorb small board workpiece, realizes to pick and place workpiece, after sucking workpiece, through micro vibration motor when pneumatic sucking disc adsorbs to workpiece, its synchronous start, produces vibration, is helpful to separate the workpiece that sticks together, ensures only picking single small board workpiece each time.

The present application relates to the technical field of dressings, and discloses a recombinant collagen wound dressing and a preparation method thereof.The recombinant collagen dressing takes recombinant humanized type III collagen as a matrix, is modified by chitosan, is closely adsorbed with a wound, takes polyvinyl alcohol as a mechanical reinforcing agent, takes genipin as a natural crosslinking agent, and is compounded with silver nanoparticles to construct a multifunctional composite wound dressing, and is compounded on the surface of PEG-6000 modified non-woven fabric to make the non-woven fabric easy to be peeled off from the recombinant collagen gel.The recombinant collagen dressing is crosslinked by genipin, is reinforced by polyvinyl alcohol, and is compounded with the antibacterial function of nano-silver, so that the mechanical stability, the anti-enzymatic ability and the repair efficiency of the recombinant collagen dressing can be significantly improved, a new type of dressing candidate with excellent performance is provided for clinical wound repair, the preparation process is repeatable and easy to be scaled up, and has clinical transformation potential.