Changeover device in hydrodynamic throughflow measurement device calibration device has control computer converting separation edge speed profile into servomotor control parameters

摘要

The device has a pivotable siphon pipe (1), an electromechanical adjuster, a position sensor (8) for the pipe and a control computer that converts a defined speed profile for a flow separation edge into control parameters for a servomotor during changeover for pivoting the pipe via a transition mechanism. The device has a pivotable siphon pipe (1) and an electromechanical adjuster. The geometric shape of the pipe is formed by two conical or pyramid frustums placed one upon the other with bases remote from each other and with a bridge mounted symmetrically within them with its upper edge as a sharp separating edge for the fluid flow. There are also a position sensor (8) for the pipe and a control computer that converts a defined speed profile for the separation edge into control parameters for a servomotor during changeover for pivoting the pipe via a transition mechanism.