Ultrasonic water meter sealing performance detection method

Abstract

The invention discloses an ultrasonic water meter sealing performance detection method, which comprises the following steps: firstly, the sealing performance of a water meter can be detected without dismounting the water meter, and the water meter does not need to be damaged or normal metering is not influenced; secondly, ultrasonic waves are used as a signal source, the penetrating power is high, and leakage and poor sealing in the water meter can be effectively detected; meanwhile, the response speed of the ultrasonic detector is high, and the sealing performance of the water meter can be rapidly and accurately analyzed and evaluated; besides, the method also has the characteristic of intelligence, data analysis and recording can be carried out through a computer system or data processing equipment, and maintenance personnel can check and manage the data conveniently.

Description

Technical Field

[0001] The present invention relates to the technical field of ultrasonic water meter detection, and particularly to a method for detecting the sealing performance of an ultrasonic water meter. Background Art

[0002] An ultrasonic water meter is a device that uses ultrasonic technology for water flow measurement and is mainly applied in industrial and commercial fields. Since there are varying degrees of internal leakage in the water meter during use, this may lead to measurement deviation and a decline in accuracy. Therefore, in order to ensure the accurate measurement and high sealing performance of the ultrasonic water meter, it is of great significance to develop an innovative method for detecting the sealing performance of the ultrasonic water meter.

[0003] In the working environment of the ultrasonic water meter, due to the high speed, high pressure and complexity of the water flow, the sealing performance of the water meter may be affected by a series of factors, such as the loosening of the connection joint, the aging or wear of the sealing gasket, the damage of the material, etc. These factors may cause water leakage inside and around the water meter, thus affecting the accurate measurement of the water meter.

[0004] To solve this problem, it is necessary to develop a sealing performance detection method based on ultrasonic technology. Summary of the Invention

[0005] The purpose of this part is to outline some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this part, the abstract and the title, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In view of the problems existing in the existing methods for detecting the sealing performance of water meters, the present invention is proposed.

[0007] Therefore, the technical problem solved by the present invention is to solve the problem of low accuracy in detecting the sealing performance of existing ultrasonic water meters.

[0008] To solve the above technical problems, the present invention provides the following technical solutions: An ultrasonic water meter sealing detection method, comprising the following steps: (1) Prepare the required tools and equipment, including an ultrasonic detector, a water meter, a pressure test device, and a sealing test device; (2) Clean the water meter to ensure that there are no impurities and dirt inside; (3) Connect the water meter to the pressure test device and ensure that the pressure of the pressure test device is adjusted to an appropriate value; (4) Turn on the ultrasonic detector and set an appropriate detection frequency range; (5) Insert the ultrasonic probe into the water meter to ensure that the probe is in close contact with the inner wall of the water meter; (6) Turn on the ultrasonic detector and start the detection, observe the change of the ultrasonic signal to determine whether there is a leak in the water meter; (7) Use the sealing test device to verify the detection result to ensure the accuracy of the detection result; (8) Perform corresponding processing according to the detection result.

[0009] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, when connecting the water meter to the pressure test device and ensuring that the pressure of the pressure test device is adjusted to an appropriate value, it is adjusted through the pressure regulating valve or adjustment switch on the device, and the pressure is adjusted to 50 psi.

[0010] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, when turning on the ultrasonic detector and setting an appropriate detection frequency range, the detection frequency range is set to 1 MHz to 10 MHz.

[0011] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, when turning on the ultrasonic detector, starting the detection, and observing the change of the ultrasonic signal to determine whether there is a leak in the water meter, it specifically includes the following steps: controlling the ultrasonic probe to emit a detection signal; obtaining the echo signal curve corresponding to the detection signal; and determining whether the water meter fails according to the echo signal curve.

[0012] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, determining whether the water meter fails according to the echo signal curve includes: comparing the characteristics of the echo signal curve with the standard echo signal curve, and judging whether the water meter fails according to the comparison result; wherein the standard echo signal curve is obtained under the working state when the ultrasonic probe detects a standard water meter.

[0013] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, the method of comparing the characteristics of the echo signal curve with the standard echo signal curve and determining whether the water meter fails according to the comparison result includes: extracting the time domain length from the start of the echo signal curve to the peak of the reception area from the echo signal curve; if the time domain length does not match the time domain length from the start of the standard echo signal curve to the peak of the reception area in the standard echo signal curve, it is determined that the water meter fails.

[0014] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, the method of comparing the characteristics of the echo signal curve with the standard echo signal curve and determining whether the water meter fails according to the comparison result includes: extracting the time domain length of the transmission area, the amplitude of the transmission area, and the amplitude of the reception area from the echo signal curve; if the time domain length of the transmission area, the amplitude of the transmission area, and the amplitude of the reception area of the echo signal curve do not all correspond and match the time domain length of the transmission area, the amplitude of the transmission area, and the amplitude of the reception area of the standard echo signal curve, it is determined that the water meter fails.

[0015] As a preferred embodiment of the ultrasonic water meter sealing detection method of the present invention, the ultrasonic probe includes a plurality of ultrasonic probes; controlling the ultrasonic probe to emit a detection signal includes: controlling any one of the plurality of ultrasonic probes to emit a detection signal; obtaining the echo signal curve corresponding to the detection signal includes: controlling the other ultrasonic probes among the plurality of ultrasonic probes that have not emitted the detection signal to obtain the echo signal curve.

[0016] Advantages of the present invention: The present invention provides an ultrasonic water meter sealing detection method. First, the sealing performance of the water meter can be detected without disassembling the water meter, without damaging the water meter or affecting normal metering. Second, using ultrasonic waves as the signal source has the characteristics of strong penetration and can effectively detect internal leakage and poor sealing of the water meter. At the same time, the ultrasonic detector has a fast response speed and can quickly and accurately analyze and evaluate the sealing performance of the water meter. In addition, this method also has the characteristics of intelligence and can perform data analysis and recording through a computer system or data processing device, which is convenient for maintenance personnel to view and manage. Embodiment

[0017] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention is provided.

[0018] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention may be practiced in other ways different from those described herein. Persons skilled in the art can make similar generalizations without departing from the spirit of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0019] Secondly, the so-called "one embodiment" or "embodiment" herein refers to specific features, structures or characteristics that may be included in at least one implementation manner of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or selectively mutually exclusive embodiment with other embodiments.

[0020] In the working environment of an ultrasonic water meter, due to the high speed, high pressure and complexity of the water flow, the sealing performance of the water meter may be affected by a series of factors, such as loosening of the connection joints, aging or wear of the sealing gaskets, damage to the materials, etc. These factors may cause water leakage inside and around the water meter, thereby affecting the accurate measurement of the water meter.

[0021] To solve this problem, a sealing detection method based on ultrasonic technology needs to be developed. This method utilizes the characteristics of ultrasonic waves. By sending ultrasonic signals into the water meter, it aims to detect whether there is leakage or poor sealing inside the water meter. First, an ultrasonic detector can be used to send ultrasonic signals to various parts of the water meter, including the connection joints, the metering device and the sealing gaskets. Then, by receiving the reflection and echo of the ultrasonic signals, the sealing performance of the water meter can be judged. If there is leakage or poor sealing in the water meter, the ultrasonic signals will show abnormal changes, such as the weakening or disappearance of the echo signals. Based on the changes and characteristics of the ultrasonic signals, the sealing performance of the water meter can be quantitatively analyzed and evaluated to determine whether repair or replacement is needed.

[0022] Specifically, the present invention provides a method for detecting the sealing performance of an ultrasonic water meter, which includes the following steps: (1) Prepare the required tools and equipment, including an ultrasonic detector, a water meter, a pressure test device, and a sealing performance test device; (2) Clean the water meter to ensure that there are no impurities and dirt inside it; (3) Connect the water meter to the pressure test device and ensure that the pressure of the pressure test device is adjusted to an appropriate value; (4) Turn on the ultrasonic detector and set an appropriate detection frequency range; (5) Insert the ultrasonic probe into the water meter and ensure that the probe is in close contact with the inner wall of the water meter; (6) Turn on the ultrasonic detector, start the detection, and observe the changes in the ultrasonic signals to determine whether there is leakage in the water meter; (7) Verify the test results using a sealing test device to ensure the accuracy of the test results; (8) Make corresponding handling according to the test results.

[0023] Specifically, connect the water meter to the pressure test device. When ensuring that the pressure of the pressure test device is adjusted to an appropriate value, adjust it through the pressure regulating valve or adjustment switch on the device, and adjust the pressure to 50 psi.

[0024] Specifically, turn on the ultrasonic detector. When setting an appropriate detection frequency range, set the detection frequency range from 1 MHz to 10 MHz.

[0025] Further, turn on the ultrasonic detector, start the detection, and observe the change of the ultrasonic signal to determine whether there is a leak in the water meter. The specific steps are as follows: Control the ultrasonic probe to emit a detection signal; Obtain the echo signal curve corresponding to the detection signal; Determine whether the water meter fails according to the echo signal curve.

[0026] Further, determining whether the water meter fails according to the echo signal curve includes: comparing the characteristics of the echo signal curve with the standard echo signal curve, and judging whether the water meter fails according to the comparison result; The standard echo signal curve is obtained under the working state when the ultrasonic probe detects a standard water meter.

[0027] Further still, comparing the characteristics of the echo signal curve with the standard echo signal curve and judging whether the water meter fails according to the comparison result includes: extracting the time domain length from the start of the echo signal curve to the peak of the receiving area from the echo signal curve; if the time domain length does not match the time domain length from the start of the standard echo signal curve to the peak of the receiving area in the standard echo signal curve, it is determined that the water meter fails.

[0028] Further still, comparing the characteristics of the echo signal curve with the standard echo signal curve and judging whether the water meter fails according to the comparison result includes: extracting the time domain length of the transmitting area, the amplitude of the transmitting area, and the amplitude of the receiving area from the echo signal curve; if the time domain length of the transmitting area, the amplitude of the transmitting area, and the amplitude of the receiving area of the echo signal curve do not all correspond and match the time domain length of the transmitting area, the amplitude of the transmitting area, and the amplitude of the receiving area of the standard echo signal curve, it is determined that the water meter fails.

[0029] Additionally, the ultrasonic probe includes multiple ultrasonic probes; controlling the ultrasonic probe to emit a detection signal includes: controlling any one of the multiple ultrasonic probes to emit a detection signal; obtaining the echo signal curve corresponding to the detection signal includes: controlling the other ultrasonic probes among the multiple ultrasonic probes that have not emitted the detection signal to obtain the echo signal curve.

[0030] Additionally, the ultrasonic probe includes multiple ultrasonic probes; controlling the ultrasonic probe to emit a detection signal includes: controlling any one of the multiple ultrasonic probes to emit a detection signal; obtaining the echo signal curve corresponding to the detection signal includes: controlling the other ultrasonic probes among the multiple ultrasonic probes that have not emitted the detection signal to obtain the echo signal curve.

[0031] Controlling the ultrasonic probe to emit a detection signal includes: regularly controlling the ultrasonic probe to emit a detection signal; controlling the ultrasonic probe to emit a detection signal after a preset duration since the water receiving is completed; and / or controlling the ultrasonic probe to emit a detection signal within a preset time period.

[0032] By utilizing the characteristics of ultrasonic technology, first, the sealing performance of the water meter can be detected without disassembling the water meter, without causing damage to the water meter or affecting normal metering. Second, using ultrasonic waves as the signal source has the characteristics of strong penetration and can effectively detect internal leaks and poor seals in the water meter. At the same time, the ultrasonic detector has a fast response speed and can quickly and accurately analyze and evaluate the sealing performance of the water meter. In addition, this method also has the characteristics of intelligence and can perform data analysis and recording through a computer system or data processing device, facilitating maintenance personnel to view and manage. It can achieve rapid and accurate detection of internal leaks and sealing performance of the water meter, providing strong support for the maintenance and management of the water meter. This innovative detection method can be widely applied in industrial and commercial fields, providing technical guarantees for improving the working efficiency of water meters and reducing metering errors.

[0033] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in this application (e.g., changes in the dimensions, scales, structures, shapes and proportions of various elements, as well as parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, colors, orientations, etc.). For example, elements shown as integrally formed may be composed of multiple parts or elements, the positions of the elements may be inverted or otherwise changed, and the nature, number or position of discrete elements may be altered or changed. Accordingly, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means plus function" clauses are intended to cover the structures that perform the recited functions herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Accordingly, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0034] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently contemplated best mode of carrying out the present invention or those that are not relevant to the implementation of the present invention).

[0035] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous specific implementation decisions may be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without undue experimentation, such development efforts will be a routine task of design, manufacturing and production.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An ultrasonic water meter sealing detection method, characterized in that, It includes the following steps: (1) Prepare the required tools and equipment, including an ultrasonic detector, a water meter, a pressure test device, and a sealing test device; (2) Clean the water meter to ensure that there is no impurity or dirt inside it; (3) Connect the water meter to the pressure test device and ensure that the pressure of the pressure test device is adjusted to an appropriate value; (4) Turn on the ultrasonic detector and set an appropriate detection frequency range; (5) Insert the ultrasonic probe into the water meter and ensure that the probe is in close contact with the inner wall of the water meter; (6) Turn on the ultrasonic detector to start detection, observe the change of the ultrasonic signal to determine whether there is a leak in the water meter; (7) Use the sealing test device to verify the detection result to ensure the accuracy of the detection result; (8) Make corresponding treatment according to the detection result.

2. The ultrasonic water meter sealing performance detection method according to claim 1, characterized in that: When connecting the water meter to the pressure test device and ensuring that the pressure of the pressure test device is adjusted to an appropriate value, adjust it through the pressure regulating valve or adjustment switch on the device, and adjust the pressure to 50 psi.

3. The ultrasonic water meter sealing performance detection method according to claim 2, characterized in that: When turning on the ultrasonic detector and setting an appropriate detection frequency range, set the detection frequency range to 1 MHz to 10 MHz.

4. The ultrasonic water meter sealing performance detection method according to claim 3, characterized in that, When turning on the ultrasonic detector to start detection and observing the change of the ultrasonic signal to determine whether there is a leak in the water meter, it specifically includes the following steps: Control the ultrasonic probe to emit a detection signal; Obtain the echo signal curve corresponding to the detection signal; Determine whether the water meter fails according to the echo signal curve.

5. The ultrasonic water meter sealing performance detection method according to claim 4, characterized in that, Determining whether the water meter fails according to the echo signal curve includes: comparing the characteristics of the echo signal curve with the standard echo signal curve, and judging whether the water meter fails according to the comparison result; Wherein the standard echo signal curve is obtained under the working state when the ultrasonic probe detects a standard water meter.

6. The ultrasonic water meter sealing performance detection method according to claim 5, characterized in that, Comparing the characteristics of the echo signal curve with the standard echo signal curve and judging whether the water meter fails according to the comparison result includes: extracting the time domain length from the start of the echo signal curve to the peak of the reception area from the echo signal curve; if the time domain length cannot match the time domain length from the start of the standard echo signal curve to the peak of the reception area in the standard echo signal curve, it is determined that the water meter fails.

7. The ultrasonic water meter sealing performance detection method according to claim 6, characterized in that, Comparing the characteristics of the echo signal curve with the standard echo signal curve and judging whether the water meter fails according to the comparison result includes: extracting the time domain length of the emission area, the amplitude of the emission area, and the amplitude of the reception area from the echo signal curve; if the time domain length of the emission area, the amplitude of the emission area, and the amplitude of the reception area of the echo signal curve cannot all correspond and match the time domain length of the emission area, the amplitude of the emission area, and the amplitude of the reception area of the standard echo signal curve, it is determined that the water meter fails.

8. The ultrasonic water meter sealing performance detection method according to claim 7, characterized in that: The ultrasonic probe includes a plurality of ultrasonic probes; controlling the ultrasonic probe to emit a detection signal includes: controlling any one of the plurality of ultrasonic probes to emit a detection signal; obtaining the echo signal curve corresponding to the detection signal includes: controlling the other ultrasonic probes that have not emitted the detection signal among the plurality of ultrasonic probes to obtain the echo signal curve.