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A coil inductive water meter that can identify disturbance and location

An inductive, water meter technology, applied in the application of electromagnetic flowmeters to detect fluid flow, volume/mass flow generated by electromagnetic effects, etc., can solve the problems that coil inductive water meters cannot identify interference and interference locations, and achieve low computational complexity. Effect

Active Publication Date: 2020-10-09
SANCHUAN WISDOM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing coil induction water meter cannot identify the interference and the location of the interference, and proposes a coil induction water meter that can identify the interference and the location

Method used

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  • A coil inductive water meter that can identify disturbance and location
  • A coil inductive water meter that can identify disturbance and location
  • A coil inductive water meter that can identify disturbance and location

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1. A method for identifying interference and location of a coil induction water meter.

[0030] In the first embodiment, the non-circular metal sheet is a semicircular metal sheet, and the four secondary coils are divided into two pairs connected in series and anti-phase.

[0031] The method for identifying interference and location of the coil induction water meter in this embodiment includes the following steps:

[0032] Obtain the induced voltage difference data and calculate the voltage difference measurement value: the number of secondary coil pairs is recorded as N, according to the preset sampling time interval T 0 To obtain the induced voltage difference of each secondary coil pair, use the variable v i Indicates that i is the number of the secondary coil pair, 1≤i≤N; judge the induced voltage difference v i and the size of the metering threshold V set in advance, if v i >V, the measurement value of the induced voltage difference is 1, if v i =V, ...

Embodiment 2

[0041] Embodiment 2. A method for identifying interference and location of a coil induction water meter.

[0042] In the second embodiment, the non-circular metal sheet is a semicircular metal sheet, and the four secondary coils are divided into two pairs connected in series and anti-phase.

[0043] The method for identifying interference and location of the coil induction water meter in this embodiment includes the following steps:

[0044] Obtain the induced voltage difference data and calculate the voltage difference measurement value: the number of secondary coil pairs is recorded as N, according to the preset sampling time interval T 0 To obtain the induced voltage difference of each secondary coil pair, use the variable v i Indicates that i is the number of the secondary coil pair, 1≤i≤N; judge the induced voltage difference v i and the size of the metering threshold V set in advance, if v i >V, the measurement value of the induced voltage difference is 1, if v i =V,...

Embodiment 3

[0052] Embodiment 3. A method for identifying interference and location of a coil induction water meter.

[0053] In the third embodiment, the non-circular metal sheet is a semicircular metal sheet, and the six secondary coils are divided into three pairs connected in series and anti-phase.

[0054] The method for identifying interference and location of the coil induction water meter in this embodiment includes the following steps:

[0055] Obtain the induced voltage difference data and calculate the voltage difference measurement value: the number of secondary coil pairs is recorded as N, according to the preset sampling time interval T 0 To obtain the induced voltage difference of each secondary coil pair, use the variable v i Indicates that i is the number of the secondary coil pair, 1≤i≤N; judge the induced voltage difference v i and the size of the metering threshold V set in advance, if v i >V, the measurement value of the induced voltage difference is 1, if v i =V,...

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Abstract

The invention discloses a coil induction type water meter capable of identifying interference and a position. A method for identifying the interference and the position by the coil induction type water meter comprises the following steps of: acquiring induced voltage difference data and calculating a voltage difference measured value; generating segmented voltage difference vector sequences; calculating distances among the voltage difference vector sequences; and judging whether the water meter is interfered and identifying an interference position. The method and a system which are disclosedby the invention solve the technical problem that an existing coil induction type water meter cannot identify the interference and the interference position.

Description

technical field [0001] The invention belongs to the technical field of water meters, in particular to a coil induction water meter which can identify interference and position. Background technique [0002] At present, water meter measurement mostly adopts dry reed switch, Hall element, and Wiegand sensor, but due to the inherent mechanical characteristics, service life and vibration resistance of the dry yellow tube, the Hall element has too much current, and there are also low or low The frequency response problem of high flow rate; the Wiegand sensor has the disadvantage of large magnetic resistance, which is very easy to absorb the impeller to increase the starting flow, and the price is expensive. Therefore, the existing remote water meter adopts the principle of non-coil induction to convert the rotation of the mechanical watch gear or the rotation of the pointer into an electric pulse signal. For example, Chinese patent CN201810125788. Type angular position sensor, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/58
CPCG01F1/58
Inventor 严军荣卢玉龙宋财华祝向辉
Owner SANCHUAN WISDOM TECH CO LTD
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