C-tin Chirilă

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PRELIMINARY STUDIES REGARDING THE FLOW-METER FOR A WORKING REGIME SELECTOR OF AN ELECTRO-MAGNETIC PULSATOR

C-tin Chirilă, P. Cârlescu, R. Roşca

Abstract
The study was developed starting from experimental tests regarding the milk flow through a calibrated orifice flow meter. The flow meter is aimed to automatically select the working regime of an electro-magnetic pulsator, according to the milk flow at the exit of the claw of the milking machine. The flow meter senses values of the milk flow under or over 0.2 kg/min; the flow meter working principle is based on the height of the milk level in the flow meter when milk flows out of the device through a calibrated. A level sensor equipped with electrodes is used in order to sense the milk level. The aim of theoretical simulation was to establish optimum position of the entry manifold with regard to the position of the calibrated orifice. Information regarding the free level of milk in the electrodes area was also obtained as a result of the modeling. This is important, because the waves who are formatted in liquid disturb selector working. In this case is necessary to introduce retardation from electrical control signal.

Key words: milking; milking equipment