The "integrated meter" of the traditional integral small-diameter ultrasonic water meter - the water flow sensor (including the measuring tube and the ultrasonic transducer) and the "secondary meter" - the signal processing and display part are integrated. For example, China Patent No. ZL201320319950.1 discloses an ultrasonic water meter including a housing, two probe assemblies, a flow totalizer, a head seal assembly, an outer output receptacle assembly, and two reflectors with rectifiers. The device is provided with a water flow pipe inside the housing, and a protruding meter head is arranged on the outer side wall of the shell; a meter head sealing component is arranged inside the meter head, and an outer output socket unit is arranged on the meter head; the two probes The components respectively extend through the side walls of the housing and into the water flow pipe; two reflection devices with rectifiers are installed on the inner side wall of the water flow pipe; the flow integrator is installed in the meter head and is connected with both probe assemblies. The above-mentioned water meter integrates the measuring tube, the ultrasonic transducer, the signal processing and the display part all in one body.
Ultrasonic water meters of the above structure need to integrally connect or disassemble the nozzles and connecting nuts at the two ends of the ultrasonic water meter and the water supply pipeline when installing and disassembling the water meter, and when the water meter needs to be maintained or replaced. This will not only take a lot of time, but also will result in Wet, contaminate the site, and drain some of the drinking water inside the water supply pipe.
In order to solve the above technical problems, the utility model is solved by the following technical solutions: A fast clamping type ultrasonic water meter is characterized in that it includes a measuring tube for mounting on a water supply pipe and is installed on the measuring tube. a fixing device on the fixed device, a water meter electronic component is arranged on the fixing device, at least one pair of ultrasonic transducers is integrated in the water meter electronic component, and the cooperation of the fixing device and the measuring pipe makes the ultrasonic energy conversion The detector is in the detection position.
Compared with the prior art, when the ultrasonic water meter of the present invention is installed, the measuring tube is first installed on the water supply pipe, and then the fixing device on which the water meter electronic component and the ultrasonic transducer are installed can be fixed on the measuring tube. In the measurement and settlement of water consumption, the installation is convenient. Secondly, when the water meter, maintenance water meter or water meter battery needs to be disassembled, the fixture can be conveniently removed from the measuring tube without the need to disassemble and install a special measuring tube to avoid getting wet. Contaminated sites, and prevented the loss of some of the drinking water in the water supply pipeline; third, the ultrasonic transducer is directly integrated in the electronic parts of the water meter, without any exposed wires and measuring parts, and the wire breakage caused by careless use is avoided. Causes the measurement to interrupt and other issues; Finally, the ultrasonic transducer is directly integrated in the electronic part of the water meter. Due to the mutual cooperation between the measuring tube and the fixing device, only the fixing device is installed on the measuring tube to realize the precise positioning of the ultrasonic transducer. , to make it in the accurate measurement position, to ensure the accuracy of the water meter measurement.
Preferably, the above-mentioned fixing device comprises two semi-circular clamping members connected together by a hinge mechanism, and the two clamping members are closed and formed in the inner cavity matching the outer surface of the measuring tube, and the two are There is also a locking device that holds the two together. As the present solution adopts a hinge connection mechanism and a locking device, the ultrasonic water meter of the present invention can be accurately and firmly installed and positioned, and is easy to use.
Preferably, the ultrasonic transducer is a pair and the central axis of the pair of ultrasonic transducers intersects at one point. After the fixing device is mounted on the measuring tube, the point is located on the inner wall of the measuring tube. Through the above structure, accurate positioning of the ultrasonic transducer after the fixing device is mounted on the measuring tube is achieved.
In order to obtain better technical effects, further improvements include: a flexible material layer is disposed between the above-mentioned fixing device and the measuring tube. The flexible material layer stabilizes the fixed connection between the fixture and the measuring tube.
Further improvement: The above locking device is provided with a sealing device. In order to prevent it from being considered that the fixing device is deliberately removed, the utility model is applied to provide a sealing device on the locking device.
Further, the inner surface of the above measuring tube has a polytetrafluoroethylene membrane. The PTFE membrane has the effect of preventing scale formation on the inner wall of the measuring tube, and ensures the long-term accuracy of the ultrasonic water meter of the utility model for measurement.
The utility model has the beneficial effects that when the ultrasonic water meter of the utility model is installed, the measuring tube is firstly installed on the water supply pipeline, and the fixing device with the water meter electronic component and the ultrasonic transducer is fixed on the measuring tube. Can be used for water metering and settlement, easy to install; Second, when you need to disassemble the water meter, repair water meter or replace the water meter battery, you can easily remove the fixture from the measuring tube, without the need to disassemble the special measuring tube, to avoid getting wet , contaminated sites, and to prevent the loss of part of the drinking water pipe; Third, the ultrasonic transducer is directly integrated in the water meter Electronic Components, without any exposed wires and measuring components, to avoid the use of carelessly caused by the wire break , resulting in measurement interruptions and other issues; Finally, the ultrasonic transducer is directly integrated in the water meter's electronic components. Due to the mutual cooperation between the measuring tube and the fixing device, only the fixing device is installed on the measuring tube to realize the accuracy of the ultrasonic transducer. Positioning, so that it is in the exact measurement position, to ensure the accuracy of the water meter measurement.
For further understanding of the invention, the patent specification can be downloaded for detailed understanding. Download address: http://img63.ybzhan.cn/5/20141113/635514831876726839948.pdf
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