Water Meter Verification Device Automatic Ultrasonic Water Meter Test Bench
Device composition: The device consists of a water source system, a clamp meter pipeline, a flow regulating device, a standard device system, and a software control system;
water system
Water tank: 304 stainless steel, the bottom of the water tank is equipped with a liquid level sensor, the software system can collect the current liquid level value of the water tank, equipped with an electric heating device, and the water temperature control accuracy is ±1 °C.
Pressure pump: The device is equipped with an automatic pressure device, the maximum set pressure is 2.5MPa, the pressure can be set in the software, the PLC control will automatically stop when the pressure reaches the pressure, and the pressure will be automatically released according to the pressure holding time.
The sensor mainly includes a temperature sensor and a pressure sensor, which are located at the inlet and outlet of the pipeline and the water outlet of the piston, which are respectively used to measure the temperature and pressure of the liquid, and then transmit the information to the PLC and software system in time. The control system has many protections and sound and light alarms, such as low air pressure alarms, low water tank liquid level alarms, etc.
In this device, the temperature measurement range of the temperature sensor is (0~100)ºC, and the accuracy level is A; the pressure measurement range of the pressure sensor is (0~1.6)MPa, and the accuracy level is not lower than 0.5%.
The software of this device is written in Visual studio C# and uses the Microsoft ACCESS database. The detection process can be written into the database, and the user can modify the control process according to different permissions.
The software can automatically copy the cumulative value of the water meter through image recognition, and the image recognition accuracy is 1ml. The software image has an automatic save function, and the picture is saved to the computer's hard disk, and the user can view the current picture of the detected water meter at any time.
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