阅读说明：本技术 一种水表计量精度影响因素的检测方法以及监测系统 (Method and system for detecting influence factors of water meter metering precision ) 是由 贺建达 项淑玲 陈伟 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种水表计量精度影响因素的检测方法,其可以通过在水表组件上设置有计量传感器,将计量传感器正对着水表组件的叶轮；调整所述水表组件中计量组件的设计参数；在所述水表组件中通入水流；由所述计量组件记录所述叶轮的转动圈数以获得水流流量的第一数据；由所述计量传感器记录所述叶轮的转动圈数以获得水流流量的第二数据；通过比对所述第一数据和所述第二数据判断所述水表组件的计量误差；基于所述计量误差判断所述计量组件的各设计参数对于水表精度的影响,基于上述步骤,本发明一种水表计量精度影响因素的检测方法可以获得计量组件各设计参数对于水表精度的影响,可以提高水表的计量精度。(The invention discloses a method for detecting influence factors of water meter metering precision, which can enable a metering sensor to be arranged on a water meter component and enable the metering sensor to be opposite to an impeller of the water meter component; adjusting design parameters of a metering assembly in the water meter assembly; introducing water flow into the water meter assembly; recording the number of turns of the impeller by the metering assembly to obtain first data of water flow rate; recording the rotation turns of the impeller by the metering sensor to obtain second data of water flow; judging the metering error of the water meter component by comparing the first data with the second data; based on the steps, the method for detecting the influence factors of the water meter metering precision can obtain the influence of each design parameter of the metering component on the water meter precision, and can improve the metering precision of the water meter.)

1. A detection method for influence factors of water meter metering accuracy is characterized by comprising the following steps:

a metering sensor is arranged on the water meter component and is directly opposite to an impeller of the water meter component;

adjusting design parameters of a metering assembly in the water meter assembly;

introducing water flow into the water meter assembly;

recording the number of turns of the impeller by the metering assembly to obtain first data of water flow rate;

recording the rotation turns of the impeller by the metering sensor to obtain second data of water flow;

judging the metering error of the water meter component by comparing the first data with the second data;

and judging the influence of each design parameter of the metering component on the precision of the water meter based on the metering error.

2. The inspection method of claim 1, wherein the metrology assembly is a mechanical metrology assembly, the mechanical metrology assembly includes a gear train assembly, and the design parameter includes a gear ratio of the gear train assembly.

3. The inspection method of claim 2, wherein the design parameters further include a number of gears of a transmission gear.

4. The inspection method of claim 3, wherein the design parameters further include a mounting location of a gear.

5. The inspection method of claim 4, wherein the design parameters further include a weight ratio of each gear in the gear assembly.

6. The detection method according to claim 2, wherein the mechanical metering component further comprises magnetic steel, and the design parameters comprise the size of the magnetic steel and the material of the magnetic steel.

7. The method of claim 1, wherein the metrology sensor is a light sensor.

8. The method of detecting according to claim 1, wherein the water meter assembly includes a water meter housing, and the meter sensor extends into the water meter housing and is flush with a turbulator bar plane located at a bottom of the water meter housing.

9. The detection method according to claim 1, further comprising: and designing the water meter assembly based on the influence of each design parameter on the water meter precision.

10. A detection system for influence factors of water meter metering accuracy is characterized by comprising:

the water meter assembly comprises a water meter shell, a water meter impeller and a metering assembly, the water meter impeller is rotationally arranged in the water meter shell and is driven to rotate by water flow flowing through the water meter shell, the metering assembly is arranged in the water meter shell and is connected with the water meter impeller;

the water meter comprises a water meter shell, a water meter impeller, a metering sensor and a control unit, wherein the metering sensor stretches into the water meter shell and faces the water meter impeller, and the metering sensor is used for metering the rotation turns of the water meter impeller.

Technical Field

The invention relates to the technical field of water meter precision detection, in particular to a detection method and a detection system for influence factors of water meter metering precision.

Background

In the field of mechanical water meters, along with the continuous improvement of the metering grade and the metering precision of the water meter, the design and manufacturing requirements on parts of the water meter are higher and higher. And determining the quantitative impact of individual components on the metering accuracy of a water meter becomes a key to guiding improvements in the design and manufacture of water meter components.

In mechanical water meters, the degree and manner of influence of individual components on the metering accuracy of the water meter are different. During the operation of the mechanical water meter, the overall metering accuracy of the mechanical water meter is determined by the influence of the single component on the metering accuracy, particularly the influence of the single component on the metering accuracy under the low-flow condition.

Disclosure of Invention

The invention provides a method for detecting influence factors of water meter metering accuracy, which can obtain the influence factors of the water meter metering accuracy.

In order to solve the technical problem, the invention provides a method for detecting influence factors of water meter metering accuracy, which comprises the following steps:

a metering sensor is arranged on the water meter component and is directly opposite to an impeller of the water meter component;

adjusting design parameters of a metering assembly in the water meter assembly;

introducing water flow into the water meter assembly;

recording the number of turns of the impeller by the metering assembly to obtain first data of water flow rate;

recording the rotation turns of the impeller by the metering sensor to obtain second data of water flow;

judging the metering error of the water meter component by comparing the first data with the second data;

and judging the influence of each design parameter of the metering component on the precision of the water meter based on the metering error.

Preferably, in the above technical solution, the metering assembly is a mechanical metering assembly, the mechanical metering assembly includes a gear transmission assembly, and the design parameter includes a gear ratio of the gear transmission assembly.

Preferably, the design parameters further include the number of gears of the transmission gear.

Preferably, the design parameters further include a mounting position of the gear.

Preferably, the design parameters further include a weight ratio of each gear in the gear transmission assembly.

Preferably, the mechanical metering assembly further comprises magnetic steel, and the design parameters comprise the size of the magnetic steel and the material of the magnetic steel.

Preferably, in the above-described aspect, the measurement sensor is a light sensor.

Preferably, the water meter assembly comprises a water meter shell, and the metering sensor extends into the water meter shell and is flush with a turbulence rib plane at the bottom of the water meter shell.

As a preferable aspect of the above, the detection method further includes: and designing the water meter assembly based on the influence of each design parameter on the water meter precision.

The invention also provides a system for detecting the influence factors of the water meter metering precision, which comprises the following components:

the water meter assembly comprises a water meter shell, a water meter impeller and a metering assembly, the water meter impeller is rotationally arranged in the water meter shell and is driven to rotate by water flow flowing through the water meter shell, the metering assembly is arranged in the water meter shell and is connected with the water meter impeller;

the water meter comprises a water meter shell, a water meter impeller, a metering sensor and a control unit, wherein the metering sensor stretches into the water meter shell and faces the water meter impeller, and the metering sensor is used for metering the rotation turns of the water meter impeller.

The invention provides a method for detecting influence factors of water meter metering precision, which can enable a metering sensor to be arranged on a water meter component and enable the metering sensor to be opposite to an impeller of the water meter component; adjusting design parameters of a metering assembly in the water meter assembly; introducing water flow into the water meter assembly; recording the number of turns of the impeller by the metering assembly to obtain first data of water flow rate; recording the rotation turns of the impeller by the metering sensor to obtain second data of water flow; judging the metering error of the water meter component by comparing the first data with the second data; based on the steps, the method for detecting the influence factors of the water meter metering precision can obtain the influence of each design parameter of the metering component on the water meter precision, and can improve the metering precision of the water meter.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Fig. 1 is a schematic flow chart illustrating a method for detecting influence factors of water meter metering accuracy according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a detection system for influence factors of water meter metering accuracy according to an embodiment of the present invention;

in the figure: .

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a method for detecting influence factors of water meter metering accuracy, including:

step 100: a metering sensor is arranged on the water meter component and is directly opposite to an impeller of the water meter component;

step 200: adjusting design parameters of a metering assembly in the water meter assembly;

step 300: introducing water flow into the water meter assembly;

step 400: recording the number of turns of the impeller by the metering assembly to obtain first data of water flow rate;

step 500: recording the rotation turns of the impeller by the metering sensor to obtain second data of water flow;

step 600: judging the metering error of the water meter component by comparing the first data with the second data;

step 700: and judging the influence of each design parameter of the metering component on the precision of the water meter based on the metering error.

The embodiment provides a method for detecting influence factors of water meter metering accuracy, which can enable a metering sensor to be arranged on a water meter component and enable the metering sensor to be opposite to an impeller of the water meter component; adjusting design parameters of a metering assembly in the water meter assembly; introducing water flow into the water meter assembly; recording the number of turns of the impeller by the metering assembly to obtain first data of water flow rate; recording the rotation turns of the impeller by the metering sensor to obtain second data of water flow; judging the metering error of the water meter component by comparing the first data with the second data; based on the steps, the method for detecting the influence factors of the water meter metering precision can obtain the influence of each design parameter of the metering component on the water meter precision, and can improve the metering precision of the water meter.

In a further possible implementation of this embodiment, the metrology assembly is a mechanical metrology assembly, the mechanical metrology assembly includes a gear train assembly, and the design parameter includes a gear ratio of the gear train assembly.

The design parameters in the embodiment comprise the gear ratio of the gear transmission assembly, so that the influence of the gear ratio of each gear in the gear transmission assembly on the metering accuracy of the water meter can be judged.

In a further possible implementation of this embodiment, the design parameters further comprise the number of gears that transmit the gears.

The number of the gears of the gear in the embodiment can be judged, so that the influence of the number of the gears of the gear on the metering accuracy of the water meter can be judged.

In a further possible implementation of this embodiment, the design parameters also include the mounting position of the gear.

In this embodiment, the design parameters further include the installation position of the gear, so that the influence of the installation position of the gear on the metering precision of the water meter can be judged.

In a further possible implementation of this embodiment, the design parameters further include a weight ratio of each gear in the gear assembly.

In this embodiment, the design parameters further include the weight ratio of each gear in the gear transmission assembly, so that the influence of the weight ratio of each gear in the gear transmission assembly on the metering accuracy of the water meter can be judged.

In a further implementation manner of this embodiment, the mechanical metering component further includes a magnetic steel, and the design parameters include a size of the magnetic steel and a material of the magnetic steel.

The design parameters in this embodiment include the size of magnet steel and the material of magnet steel, so it can judge that the size of magnet steel and the material of magnet steel influence the water gauge measurement accuracy.

In a further implementation of this embodiment, the metrology sensor is a light sensor.

The metering sensor in the embodiment is a light sensor, the rotation condition of the impeller is obtained through the change of light of the impeller in the rotation process, and the metering sensor has the characteristic of higher precision.

Referring to fig. 2, in a further embodiment of the present embodiment, the water meter assembly includes a water meter housing, and the meter sensor 50 extends into the water meter housing 20 and is flush with the level of the disturbance rib 60 at the bottom of the water meter housing 20.

The metering sensor in this embodiment stretches into to the water meter shell and flushes with the vortex muscle plane that is located water meter shell bottom, and it can prevent that rivers from can guarantee metering sensor's measurement accuracy simultaneously to metering sensor's influence.

In a further implementation manner of this embodiment, the detection method further includes: and designing the water meter assembly based on the influence of each design parameter on the water meter precision.

In this embodiment, the design of the water meter assembly can be performed based on the influence of each design parameter on the accuracy of the water meter, which is helpful for designing a mechanical water meter with higher accuracy.

Referring to fig. 2, in another aspect, the present embodiment provides a system for detecting influence factors of metering accuracy of a water meter, including:

the water meter assembly 10, the water meter assembly 10 includes the water meter body 20, water meter impeller 30 and metering assembly 40, the water meter impeller 30 is set up and rotated and driven its rotation by the waterflow flowing through the water meter body 20 inside the water meter body 20 rotatably, the metering assembly 40 is set up inside the water meter body 20 and the metering assembly 40 is connected with water meter impeller 30;

and a metering sensor 50, wherein the metering sensor 50 extends into the water meter housing 20 and faces the water meter impeller 30, and the metering sensor 50 is used for metering the rotation turns of the water meter impeller 30.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.