Automatic detection system for ultrasonic water meter

Abstract

The utility model discloses an ultrasonic water meter automatic detection system which comprises a water pump, the water outlet end of the water pump is communicated with a filter, and the water outlet end of the filter is communicated with an electric three-way valve. A first water outlet end of the electric three-way valve is communicated with a conveying pipe, a second water outlet end of the electric three-way valve is communicated with a bent pipe, a water outlet end of the bent pipe is communicated with a return pipe, and a water outlet end of the return pipe is communicated with a water tank. The ultrasonic water meter automatic detection system has the advantage of being good in flexibility, and the problems that in the using process of an existing ultrasonic water meter automatic detection system, the detected ultrasonic water meter is inconvenient to replace or maintain under the condition that main flow is not interrupted, and the flexibility and operability of the detection system in the using process are reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to an ultrasonic water meter automatic detection system. Background Art

[0002] An automated ultrasonic water meter testing system is an integrated solution designed to improve the efficiency and accuracy of water meter testing. This system is commonly used by water meter manufacturers for quality control and by water supply companies for pre- and post-installation calibration and maintenance. It utilizes advanced technology and equipment to automate a series of testing tasks, reducing the need for manual intervention and thereby improving efficiency and reducing errors. To test the flow rate of an ultrasonic water meter, the meter is connected to a flow calibration device of known accuracy. Different water flow rates are adjusted, and the meter's displayed flow rate is recorded. The meter's flow rate accuracy is then tested by comparing the actual flow rate with the meter's displayed value.

[0003] During use, the existing ultrasonic water meter automatic detection system is not convenient for replacing or maintaining the ultrasonic water meter under test without interrupting the main flow, which reduces the flexibility and operability of the detection system during use. Utility Model Content

[0004] The purpose of the utility model is to provide an ultrasonic water meter automatic detection system with the advantage of good flexibility. It solves the problem that the existing ultrasonic water meter automatic detection system is inconvenient to replace or maintain the ultrasonic water meter being tested without interrupting the main flow during use, which reduces the flexibility and operability of the detection system during use.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: an ultrasonic water meter automatic detection system, comprising a water pump,

[0006] The water outlet of the water pump is connected to a filter, and the water outlet of the filter is connected to an electric three-way valve;

[0007] The first water outlet end of the electric three-way valve is connected to a delivery pipe, the second water outlet end of the electric three-way valve is connected to a bend pipe, the water outlet end of the bend pipe is connected to a return pipe, and the water outlet end of the return pipe is connected to a water tank;

[0008] The water outlet end of the delivery pipe is connected to a flow regulating valve, and the water outlet end of the flow regulating valve is connected to a standard flow meter.

[0009] As a preferred embodiment of the ultrasonic water meter automatic detection system of the present invention, the bottom of the filter is connected to a drain valve, and the drain valve is used to discharge impurities inside the filter.

[0010] As a preferred embodiment of the ultrasonic water meter automatic detection system of the present invention, the water inlet end of the water pump is connected to a water pumping pipe, and the water pumping pipe passes through the bottom of the inner cavity of the water tank.

[0011] As a preferred embodiment of the ultrasonic water meter automatic detection system of the present invention, the top of the water tank is connected to a water inlet, and a flange is installed on the top of the water inlet.

[0012] As a preferred embodiment of the ultrasonic water meter automatic detection system of the present invention, a temperature sensor and a pressure sensor are fixedly installed on the top of the delivery pipe, and the detection ends of the temperature sensor and the pressure sensor pass through the inner cavity of the delivery pipe.

[0013] As a preferred embodiment of the ultrasonic water meter automatic detection system of the present invention, a PLC controller is fixedly installed on the top of the standard flow meter, the input end of the PLC controller is electrically connected to the output end of the temperature sensor and the pressure sensor, and the output end of the PLC controller is electrically connected to the input end of the water pump, the electric three-way valve and the flow regulating valve.

[0014] As a preferred embodiment of the ultrasonic water meter automatic detection system of the present invention, the water outlet end of the standard flow meter is connected to the ultrasonic water meter via a flange.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model controls the direction of water flow through an electric three-way valve. The first water outlet is connected to the delivery pipe for normal testing process. The second water outlet is connected to the elbow and returns water to the water tank through the return pipe. This is usually used for system initialization or circulation when testing is not required. The filtered water flows through the delivery pipe. The flow regulating valve is located at the water outlet of the delivery pipe to accurately control the flow through the standard flow meter and ultrasonic water meter. The standard flow meter is one of the Coriolis mass flow meter, turbine flow meter and volumetric flow meter. The standard flow meter serves as a reference standard to compare the readings of the ultrasonic water meter being tested.

[0017] 2. When the ultrasonic water meter needs to be replaced or maintained, the utility model controls the electric three-way valve through the PLC controller, closes the first water outlet end of the electric three-way valve and opens the second water outlet end, so that the water inside the electric three-way valve enters the elbow, and the water inside the elbow flows back to the inner cavity of the water tank, so that the main flow supplied by the water pump is uninterrupted. When the ultrasonic water meter is replaced or maintained, the first water outlet end of the electric three-way valve continues to be opened, so that water enters the standard flow meter through the delivery pipe and the flow regulating valve, and the water inside the standard flow meter continues to enter the ultrasonic water meter, and the flow detection accuracy of the ultrasonic water meter is measured, thereby improving the detection efficiency of the ultrasonic water meter and improving the flexibility and operability of the detection system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0020] In the figure: 1. Water pump; 2. Filter; 3. Electric three-way valve; 4. Temperature sensor; 5. Flow control valve; 6. PLC controller; 7. Ultrasonic water meter; 8. Standard flow meter; 9. Delivery pipe; 10. Pressure sensor; 11. Elbow pipe; 12. Suction pipe; 13. Return pipe; 14. Water inlet; 15. Water tank; 16. Drain valve. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 2 The ultrasonic water meter automatic detection system includes a water pump 1, a water outlet of the water pump 1 is connected to a filter 2, and a water outlet of the filter 2 is connected to an electric three-way valve 3.

[0022] Furthermore, the bottom of the filter 2 is connected to a drain valve 16 , which is used to discharge impurities inside the filter 2 .

[0023] Furthermore, the first water outlet of the electric three-way valve 3 is connected to the delivery pipe 9, the second water outlet of the electric three-way valve 3 is connected to the elbow 11, the outlet of the elbow 11 is connected to the return pipe 13, and the outlet of the return pipe 13 is connected to the water tank 15.

[0024] Furthermore, the water inlet end of the water pump 1 is connected to a water pumping pipe 12 , and the water pumping pipe 12 passes through the bottom of the inner cavity of the water tank 15 .

[0025] Furthermore, the top of the water tank 15 is connected to a water inlet 14 , and a flange is installed on the top of the water inlet 14 .

[0026] Furthermore, the water outlet end of the delivery pipe 9 is connected to a flow regulating valve 5 , and the water outlet end of the flow regulating valve 5 is connected to a standard flow meter 8 .

[0027] Furthermore, a temperature sensor 4 and a pressure sensor 10 are fixedly installed on the top of the delivery pipe 9 , and detection ends of the temperature sensor 4 and the pressure sensor 10 pass through the inner cavity of the delivery pipe 9 .

[0028] Furthermore, a PLC controller 6 is fixedly installed on the top of the standard flow meter 8, and the input end of the PLC controller 6 is electrically connected to the output end of the temperature sensor 4 and the pressure sensor 10, and the output end of the PLC controller 6 is electrically connected to the input end of the water pump 1, the electric three-way valve 3 and the flow regulating valve 5.

[0029] Furthermore, the water outlet of the standard flow meter 8 is connected to the ultrasonic water meter 7 via a flange.

[0030] When testing the ultrasonic water meter 7, the water pump 1 draws water from the water tank 15, and the water tank 15 is connected to the tap water pipe through the water inlet 14 to add water to the inside of the water tank 15, and the water is transported to the filter 2 through the pumping pipe 12. The filter 2 filters out impurities in the water to ensure that the water quality entering the system is clean, so as to protect subsequent equipment and ensure measurement accuracy. When too many impurities accumulate inside the filter 2, the drain valve 16 is opened to discharge the impurities inside the filter 2.

[0031] The electric three-way valve 3 controls the direction of water flow. The first water outlet is connected to the delivery pipe 9 for the normal test process. The second water outlet is connected to the elbow 11 and returns the water to the water tank 15 through the return pipe 13. This is usually used for system initialization or circulation when no testing is required.

[0032] The filtered water flows through the delivery pipe 9. The flow regulating valve 5 is located at the water outlet end of the delivery pipe 9 and is used to accurately control the flow through the standard flow meter 8 and the ultrasonic water meter 7. The standard flow meter 8 is one of a Coriolis mass flow meter, a turbine flow meter, and a volumetric flow meter. The standard flow meter 8 serves as a reference standard for comparing the readings of the ultrasonic water meter 7 being tested.

[0033] The temperature sensor 4 and the pressure sensor 10 are installed on the delivery pipe 9 to monitor the temperature and pressure of the water flow in real time to calibrate the measurement data. The PLC controller 6 receives data from the temperature sensor 4 and the pressure sensor 10 and controls the water pump 1, the electric three-way valve 3 and the flow regulating valve 5 according to a preset program. The PLC controller 6 records all relevant data, including the readings of the standard flow meter 8 and the ultrasonic water meter 7, for subsequent analysis.

[0034] When the ultrasonic water meter 7 needs to be replaced or maintained, the electric three-way valve 3 is controlled by the PLC controller 6, the first water outlet end of the electric three-way valve 3 is closed and the second water outlet end is opened, so that the water inside the electric three-way valve 3 enters the elbow 11, and the water inside the elbow 11 flows back to the inner cavity of the water tank 15, so that the main flow supplied by the water pump 1 is uninterrupted. When the ultrasonic water meter 7 is replaced or maintained, the first water outlet end of the electric three-way valve 3 continues to be opened, so that the water enters the standard flow meter 8 through the delivery pipe 9 and the flow regulating valve 5, and the water inside the standard flow meter 8 continues to enter the ultrasonic water meter 7, and the flow detection accuracy of the ultrasonic water meter 7 is measured, thereby improving the detection efficiency of the ultrasonic water meter 7 and improving the flexibility and operability of the detection system.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An ultrasonic water meter automatic detection system, comprising a water pump (1), characterized in that: The water outlet of the water pump (1) is connected to a filter (2), and the water outlet of the filter (2) is connected to an electric three-way valve (3); The first water outlet end of the electric three-way valve (3) is connected to a delivery pipe (9), the second water outlet end of the electric three-way valve (3) is connected to a bend pipe (11), the water outlet end of the bend pipe (11) is connected to a return pipe (13), and the water outlet end of the return pipe (13) is connected to a water tank (15); The water outlet end of the delivery pipe (9) is connected to a flow regulating valve (5), and the water outlet end of the flow regulating valve (5) is connected to a standard flow meter (8).

2. The ultrasonic water meter automatic detection system according to claim 1, characterized in that: The bottom of the filter (2) is connected to a drain valve (16), and the drain valve (16) is used to discharge impurities inside the filter (2).

3. The ultrasonic water meter automatic detection system according to claim 1, characterized in that: The water inlet end of the water pump (1) is connected to a water pumping pipe (12), and the water pumping pipe (12) penetrates to the bottom of the inner cavity of the water tank (15).

4. The ultrasonic water meter automatic detection system according to claim 1, characterized in that: The top of the water tank (15) is connected to a water inlet (14), and a flange is installed on the top of the water inlet (14).

5. The ultrasonic water meter automatic detection system according to claim 1, characterized in that: A temperature sensor (4) and a pressure sensor (10) are fixedly mounted on the top of the delivery pipe (9), and detection ends of the temperature sensor (4) and the pressure sensor (10) penetrate the inner cavity of the delivery pipe (9).

6. The ultrasonic water meter automatic detection system according to claim 5, characterized in that: A PLC controller (6) is fixedly installed on the top of the standard flow meter (8); the input end of the PLC controller (6) is electrically connected to the output ends of the temperature sensor (4) and the pressure sensor (10); and the output end of the PLC controller (6) is electrically connected to the input ends of the water pump (1), the electric three-way valve (3) and the flow regulating valve (5).

7. The ultrasonic water meter automatic detection system according to claim 1, characterized in that: The water outlet end of the standard flow meter (8) is connected to an ultrasonic water meter (7) via a flange.

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