Device for testing comprehensive performance of ultrasonic water flow transducer and application method of device

Abstract

The invention discloses a device for testing the comprehensive performance of an ultrasonic water flow transducer. The device comprises a closed pipeline provided with an environment testing chamber and a real water flow simulation system; an environment simulation system, a transducer mounting rack and a measuring rack are arranged in the environment testing chamber; transducers to be tested are placed at two ends of the transducer mounting rack; and a transducer performance measuring device is arranged outside the environment testing chamber and connected onto the two transducers to be tested respectively. The invention discloses an application method of the device simultaneously. Compared with the prior art, dynamic and static characteristic comprehensive performance tests of the ultrasonic water flow transducer can be performed in a real water flow state, major usability performance indexes and reliability of the ultrasonic water flow transducer can be recognized and predicted before the ultrasonic water flow transducer is placed in a sensor and a whole instrument, and performance indexes, quality levels and production efficiencies of ultrasonic meters for water, heat and the like are further improved.

Description

technical field [0001] The invention belongs to the technical field of ultrasonic transducers for water meters, and specifically relates to an ultrasonic water flow transducer comprehensive performance test device and a using method thereof. Background technique [0002] Measuring instruments such as ultrasonic flowmeters, ultrasonic water meters, and ultrasonic heat meters based on the working principle of the time difference method are important detection instruments for water supply and drainage metering, heat supply metering, and industrial process water flow measurement. Their common core component is the ultrasonic water flow sensor. Ultrasonic transducer. With the promulgation and implementation of the country's energy-saving emission reduction and the most stringent control policies for water resources, the importance of this type of meter is increasing day by day. The technical indicators of ultrasonic transducers mainly include propagation time under real flow con...

AI Technical Summary

Problems solved by technology

[0003] For a long time, due to the lack of systematic and effective performance test devices and methods under real flow conditions for ultrasonic water flow transducers, the performance characteristics and reliability of use of such transducers cannot be effectively identified, evaluated, screened and matched. And it will lead to certain uncertainties in the performance characteristics and reliability of related water flow metering instruments

The current common practice can only test the local electrical performance indicators of the transducer under non-real flow conditions, or indirectly obtain some characteristics of the transducer through the real flow performance test of the whole instrument after installation, and the results often lead to Unscientific, unsystematic, and unreliable evaluation indicators and test methods

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