Views: 2 Author: Site Editor Publish Time: 2022-03-10 Origin: Site
Small diameter ultrasonic water meter
Accurate measurement of water consumption is the basic requirement of ultrasonic water meters as measuring instruments. Water meter manufacturers should continue to optimize product technical routes and production processes, and continuously improve the measurement performance of ultrasonic water meters to ensure that measurement performance is not affected by product service life and water quality. Non-revenue water supply or disputed water supply volume due to metering errors in the water supply sector.
Water meters not only require accurate measurement, but also need to be durable. The structural design of the ultrasonic water meter should fully consider that the product will not be damaged under various climatic environments such as exposure, dust, water, immersion, high temperature, low temperature, and high humidity for a long time. In addition, data encryption and redundant backup algorithms should be used to ensure that the electronic metering data stored inside the ultrasonic water meter is not illegally tampered with.
At present, the so-called "intelligence" of smart water meters is only for simple management functions such as remote data transmission or cost control. The ultrasonic water meter should provide users with intelligent application functions such as water consumption statistics, water consumption behavior assessment, and early warning of pipe network conditions on the basis of its digital measurement results, and provide rational suggestions for water supply units to optimize water supply and users to save water.
The material cost of ultrasonic water meters, the cost of quality control of key components, and the cost of finished product assembly and verification are higher than those of mechanical water meters, resulting in higher product prices than traditional smart water meters. The bulk purchase of ultrasonic water meters in the water supply sector cannot bring obvious economic benefits to it.
At present, all water meter manufacturers evaluate the battery life based on the rated capacity of the battery and the average operating current of the electronic circuit board. However, the changes in ambient temperature under the actual water meter installation and use conditions and the long-term self-discharge of the battery will cause the battery power to decay rapidly. Mass meter replacement due to battery problems can have serious social and economic consequences.
Reliable electronic components
The ultrasonic water meter has the problem of the reliability of the electronic components in the long-term operation of the mechanical water meter. Water meter manufacturers need to strictly verify the reliability of ultrasonic sensors, electronic circuit boards and embedded functional software, and break the mindset of "electronics are not mechanically reliable" caused by long-term dealings with mechanical water meters in water supply departments.
Water quality suitability
In theory, the measurement performance of the ultrasonic water meter will not be affected by the water quality. However, under actual working conditions, if there is a long-term accumulation of impurities such as sediment in the pipeline, or the pH of the water is too high, it may contaminate and corrode the transmitting and receiving surface of the ultrasonic sensor. And the metal reflection surface of the sound wave reflection mechanism obstructs the sound wave path, making it impossible to measure.
The traditional mechanical water meter has been gradually replaced by the new smart water meter, the IR46 international standard of the smart meter, the external reliability of the switching power supply of the smart meter, the application of the embedded system in the smart meter, the modularization technology of the function setting of the smart meter, the integration of the smart meter interface, The three-meter monitoring system of the Internet of Things intelligent community and the application of ultra-low power magnetoresistive sensors in the smart three-meter, etc., meet the needs of all parties.