TELEMETRIC FLUID FLOW RATE METER WITH MECHANICAL EXCHANGE

摘要

Telemetric fluid flow rate meter with mechanical exchange used to measure the flow rate of cold water using a conventional hydrometer, by replacing the mechanical dry part of same with an equivalent electronic part, the primary function of which is to totalize said flow rate, sending same by means of a wireless connection to another post-processing device in order to provide indirect control and direct monitoring of the feed system of said fluid, sending the required information telemetrically. The present meter is intended to measure the flow rate of fluids with greater durability on account of the reduced pressure drop and additional functions compared to conventional measurement. Said meter can be used directly in many drinking water connections for residential supply in which remote metering is particularly desirable. The inventive step applied to precision mechanical components and the use of electronic data processing technology enables a measurement error rate of 3% with a reduction in the number of moving parts in the meter, and a considerable reduction in the moment of inertia of the meter, increasing the service life of the system and maintaining the accuracy of same during said service life. The magnetic coupling provided by the wet part of the meter generates electrical signals in magnetic sensors that are analyzed by a digital circuit in order to determine the flow rate and totalize same. This variation is generated by the rotating magnet on static magnetic sensors arranged close to the shaft of the rotor. The flow causes the desired movement of the rotor, this being proportional to the volume moved. Once rotation has been detected, the speed of same is determined by measuring the time interval between this first pass and the next pass. The measured total is also acquired directly by counting the number of revolutions of the rotor. The total measured is sent on a scheduled date along with the specific identity code of the meter so that this information can be used by the supervisory system of the owner of the equipment.