CN110345998A - A kind of coil induction type water meter of detectable adverse current - Google Patents
A kind of coil induction type water meter of detectable adverse current Download PDFInfo
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- CN110345998A CN110345998A CN201910606854.7A CN201910606854A CN110345998A CN 110345998 A CN110345998 A CN 110345998A CN 201910606854 A CN201910606854 A CN 201910606854A CN 110345998 A CN110345998 A CN 110345998A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/582—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters without electrodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
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- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of coil induction type water meters of detectable adverse current.Whether the method for its coil induction type water meter detection adverse current is the following steps are included: obtaining induced voltage difference data and calculating voltage difference variable, generate voltage difference sequence vector, calculate the distance between voltage difference sequence vector, judge water meter and occur countercurrently.Method and system of the invention solve the technical issues of existing coil induction type water meter cannot detect adverse current.
Description
Technical field
The invention belongs to water meter technical fields, more particularly to a kind of coil induction type water meter of detectable adverse current.
Background technique
Water meter measurement is mostly using tongue tube, Hall element, Wiegand sensor, but the machinery intrinsic due to dry reed tube at present
Characteristic, service life and vibration resistance are affected, and Hall element is that electric current is too big, and there is also low or high flow rate frequency responses
Problem；Wiegand sensor haves the shortcomings that magnetic resistance is big, easily adsorbs impeller and increases initial-flow, and is expensive.Therefore existing
Having remote transmitting water meter to use, the principle of coil induction rotates stem-winder gear or the rotation of pointer is converted into electric impulse signal, example
If Chinese patent CN201810125788.7 discloses a kind of no magnetic remote transmitting water meter, patent CN100535603C discloses a kind of sense
Formula angle level sensor is answered, semicircle steel disc (4a) or partially metallised disk are set in the rotation axis (A) of essentic-water-meter
(4), setting external inductor coil (parallel with disk) and to be uniformly arranged on external inductor coil (first above water meter body glass
Grade coil) in 4 inductance coils (2 pairs of secondary coils), as shown in Figure 1, passing through the voltage difference meter for detecting pairs of inductance coil
Measure water flow.
It then will lead to watermeter flowing rate calculating in case of water flow adverse current at industrial water, domestic water field and miss
Difference results even in pollution of waterhead.Therefore a kind of coil induction type water meter scheme for being able to detect adverse current is needed.For this purpose, proposing
A kind of coil induction type water meter of detectable adverse current.
Summary of the invention
The problem of adverse current cannot be detected the technical problem to be solved by the present invention is to existing coil induction type water meter, proposes one
The coil induction type water meter of the detectable adverse current of kind.
The present invention is using coil induction type water meter described in background technique, including ontology, is mounted in dial plate and dial plate
The non-circle metal plate and the metering module right above non-circle metal plate that interior pointer rotates coaxially；The metering module includes
Single-chip microcontroller and electricity with monolithic mechatronics for the inductance coil of pulse signal transmitting-receiving and for detecting induced electricity pressure difference
Road；The inductance coil includes for the primary coil of pulse signal transmitting and for the multipair secondary wire of pulsed signal
Circle；Single-chip microcontroller calculates water flow according to the induced voltage difference data of each pair of secondary coil of each sampling instant.The present invention is above-mentioned
In single-chip microcontroller be added judge water meter whether the program of adverse current.
The method of coil induction type water meter detection adverse current of the invention, comprising the following steps:
Obtain induced voltage difference data and calculate voltage difference variable: the quantity of secondary coil pair is denoted as N, according to setting in advance
The sampling time interval T set0The induced electricity pressure difference for obtaining each secondary coil pair, with variable viIt indicates, wherein i is secondary coil pair
Number, 1≤i≤N；Judge induced electricity pressure difference viWith it is set in advance metering threshold value V size, if vi> V, the then induced voltage
The variable of difference is 1, if vi=V, then the variable of the induced electricity pressure difference is 0, vi< V, then the variable of the induced electricity pressure difference be-
1。
The sampling time interval T set in advance0Time used in rotation half-turn less than non-circle metal plate.
It generates voltage difference sequence vector: counting the induced electricity pressure difference variable of each secondary coil pair and with this calculating cycle
Value, is indicated with variable p；Each secondary coil is obtained to the induced electricity pressure difference variable sampled in current period, induced electricity differential manometer
The quantity of magnitude indicates with variable m, the induced electricity pressure difference variable variable v of each secondary coil pairijIt indicates, 1≤j≤m；According to
Sampling instant sequencing generates the voltage difference sequence vector a of each secondary coil pairi=(vi1,vi2,…,vij,…vim)。
The quantity of the induced electricity pressure difference variable
Calculate the distance between voltage difference sequence vector: according to the voltage difference sequence vector a of each secondary coil pairiCalculate phase
Adjacent secondary coil is to the distance between voltage difference sequence vector, with variable siIt indicates；Transfer each secondary wire in a sampling period
The voltage difference sequence vector of circle pair, uses biIt indicates, the induced electricity pressure difference variable variable u in voltage difference sequence vectorijIt indicates,
1≤j≤m；According to voltage difference sequence vector aiAnd voltage difference sequence vector biEach secondary coil is calculated to current period and upper one week
The distance between phase voltage difference sequence vector, with variable xiIt indicates.
The neighboring secondary coil is to the distance between voltage difference sequence vector Or
The neighboring secondary coil is to the distance between voltage difference sequence vector
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence Or
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence
Judge whether water meter adverse current occurs: judging the distance between the voltage difference sequence vector of neighboring secondary coil pair siWith
The size of gauged distance S set in advance, if si=S then determines that water meter coil does not break down, judges each secondary coil to working as
The distance between preceding period and a upper periodic voltage difference vector sequence xiWhether adverse current threshold X set in advance is greater than, if then
Determine that adverse current occurs in water meter, otherwise determines that water meter does not occur adverse current；If si≠ S then determines that water meter breaks down.
A kind of coil induction type water meter of the invention, comprising:
Water meter body；
One or more processors；
Readable storage medium storing program for executing；And
One or more programs wherein one or more of programs are stored in readable storage medium storing program for executing, and are matched
It is set to and is executed by one or more of processors, described program includes for executing the above method.
Method of the invention has the advantage, that
(1) traditional processing mode is compared, by calculating induced voltage difference data variable and generating voltage difference vector sequence
Column carry out digitlization to the voltage difference data of each secondary coil pair and statistical procedures, computation complexity are low.
(2) by between different secondary coils pair and identical secondary coil is to voltage difference sequence vector between different cycles
Distance, can simply and effectively judge water meter whether occur in the case where no failure adverse current.
Detailed description of the invention
Fig. 1 is background technique coil induction type water meter structure figure；
Fig. 2 is the voltage difference variable display figure of two pairs of secondary coils of the embodiment of the present invention one；
Fig. 3 is the method flow diagram of the coil induction type water meter detection adverse current of the embodiment of the present invention.
Specific embodiment
It elaborates below to the preferred embodiment of the present invention.
The present invention is using coil induction type water meter described in background technique, including ontology, is mounted in dial plate and dial plate
The non-circle metal plate and the metering module right above non-circle metal plate that interior pointer rotates coaxially；The metering module includes
Single-chip microcontroller and electricity with monolithic mechatronics for the inductance coil of pulse signal transmitting-receiving and for detecting induced electricity pressure difference
Road；The inductance coil includes for the primary coil of pulse signal transmitting and for the multipair secondary wire of pulsed signal
Circle；Single-chip microcontroller calculates water flow according to the induced voltage difference data of each pair of secondary coil of each sampling instant.The embodiment of the present invention
In above-mentioned single-chip microcontroller be added judge water meter whether the program of adverse current.
The method of embodiment one, a kind of coil induction type water meter detection adverse current.
In the present embodiment one, non-circle metal plate is the sheet metal of semicircle, and 4 secondary coils are divided into two pairs and are serially connected and instead
It is connected.
The method of the coil induction type water meter detection adverse current of the present embodiment, comprising the following steps:
Obtain induced voltage difference data and calculate voltage difference variable: the quantity of secondary coil pair is denoted as N, according to setting in advance
The sampling time interval T set0The induced electricity pressure difference for obtaining each secondary coil pair, with variable viIt indicates, wherein i is secondary coil pair
Number, 1≤i≤N；Judge induced electricity pressure difference viWith it is set in advance metering threshold value V size, if vi> V, the then induced voltage
The variable of difference is 1, if vi=V, then the variable of the induced electricity pressure difference is 0, vi< V, then the variable of the induced electricity pressure difference be-
1。
The sampling time interval T set in advance0Time used in rotation half-turn less than non-circle metal plate.This implementation
In example, the logarithm N=2 of secondary coil, loop A, C number are 1, and coil B, D number are 2；Sampling time interval set in advance
T0=0.1 second, certain moment obtained the induced voltage difference data of each pair of secondary coil, v1=7 millivolts, v2=10 millivolts, it is arranged in advance
V=5 millivolts of metering threshold value, then by the induced electricity pressure difference variable of two pairs of secondary coils be 1.
It generates voltage difference sequence vector: counting the induced electricity pressure difference variable of each secondary coil pair and with this calculating cycle
Value, is indicated with variable p；Each secondary coil is obtained to the induced electricity pressure difference variable sampled in current period, induced electricity differential manometer
The quantity of magnitude indicates with variable m, the induced electricity pressure difference variable variable v of each secondary coil pairijIt indicates, 1≤j≤m；According to
Sampling instant sequencing generates the voltage difference sequence vector a of each secondary coil pairi=(vi1,vi2,…,vij,…vim)。
The quantity of the induced electricity pressure difference variableIn the present embodiment, the induction of each secondary coil pair is counted
Voltage difference variable obtains two voltage difference variable display figures, as shown in Fig. 2, and with this calculating cycle value, with variable p table
Show=0.8 second, the quantity of induced electricity pressure difference variableThe induced electricity pressure difference variable of each secondary coil pair is used
Variable vijIt indicates, 1≤j≤m；The voltage difference sequence vector a of each secondary coil pair is generated according to sampling instant sequencingi=
(vi1,vi2,…,vij,…vim), i.e. a1=(1,0, -1, -1, -1,0,1,1), a2=(1,1,1,0, -1, -1, -1,0).
Calculate the distance between voltage difference sequence vector: according to the voltage difference sequence vector a of each secondary coil pairiCalculate phase
Adjacent secondary coil is to the distance between voltage difference sequence vector, with variable siIt indicates；Transfer each secondary wire in a sampling period
The voltage difference sequence vector of circle pair, uses biIt indicates, the induced electricity pressure difference variable variable u in voltage difference sequence vectorijIt indicates,
1≤j≤m；According to voltage difference sequence vector aiAnd voltage difference sequence vector biEach secondary coil is calculated to current period and upper one week
The distance between phase voltage difference sequence vector, with variable xiIt indicates.
The neighboring secondary coil is to the distance between voltage difference sequence vector Or
The neighboring secondary coil is to the distance between voltage difference sequence vector
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence Or
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence In the present embodiment, the voltage difference sequence vector of two pairs of secondary coils pair is calculated
The distance between, The voltage difference sequence vector for transferring each secondary coil pair in a sampling period is respectively b1=(1,0, -1, -1, -
1,0,1,1), b2=(- 1, -1, -1,0,1,1,1,0), calculate each secondary coil to current period and upper periodic voltage difference to
Measure the distance between sequence
Judge whether water meter adverse current occurs: judging the distance between the voltage difference sequence vector of neighboring secondary coil pair siWith
The size of gauged distance S set in advance, if si=S then determines that water meter coil does not break down, judges each secondary coil to working as
The distance between preceding period and a upper periodic voltage difference vector sequence xiWhether adverse current threshold X set in advance is greater than, if then
Determine that adverse current occurs in water meter, otherwise determines that water meter does not occur adverse current；If si≠ S then determines that water meter breaks down.The present embodiment
In, gauged distance S=3.46 set in advance, at this time si=S determines that water meter coil does not break down, adverse current set in advance
Threshold X=1, at this time x2> X determines that adverse current occurs in water meter.
The method flow diagram of the coil induction type water meter detection adverse current of the present embodiment, as shown in Figure 3.
The method of embodiment two, a kind of coil induction type water meter detection adverse current.
In the present embodiment two, non-circle metal plate is the sheet metal of semicircle, and 4 secondary coils are divided into two pairs and are serially connected and instead
It is connected.
The method of the coil induction type water meter detection adverse current of the present embodiment, comprising the following steps:
Obtain induced voltage difference data and calculate voltage difference variable: the quantity of secondary coil pair is denoted as N, according to setting in advance
The sampling time interval T set0The induced electricity pressure difference for obtaining each secondary coil pair, with variable viIt indicates, wherein i is secondary coil pair
Number, 1≤i≤N；Judge induced electricity pressure difference viWith it is set in advance metering threshold value V size, if vi> V, the then induced voltage
The variable of difference is 1, if vi=V, then the variable of the induced electricity pressure difference is 0, vi< V, then the variable of the induced electricity pressure difference be-
1。
The sampling time interval T set in advance0Time used in rotation half-turn less than non-circle metal plate.This implementation
In example, the logarithm N=2 of secondary coil, loop A, C number are 1, and coil B, D number are 2；Sampling time interval set in advance
T0=0.1 second, certain moment obtained the induced voltage difference data of each pair of secondary coil, v1=7 millivolts, v2=10 millivolts, it is arranged in advance
V=5 millivolts of metering threshold value, then by the induced electricity pressure difference variable of two pairs of secondary coils be 1.
It generates voltage difference sequence vector: counting the induced electricity pressure difference variable of each secondary coil pair and with this calculating cycle
Value, is indicated with variable p；Each secondary coil is obtained to the induced electricity pressure difference variable sampled in current period, induced electricity differential manometer
The quantity of magnitude indicates with variable m, the induced electricity pressure difference variable variable v of each secondary coil pairijIt indicates, 1≤j≤m；According to
Sampling instant sequencing generates the voltage difference sequence vector a of each secondary coil pairi=(vi1,vi2,…,vij,…vim)。
The quantity of the induced electricity pressure difference variableIn the present embodiment, the induction of each secondary coil pair is counted
Voltage difference variable obtains two voltage difference variable display figures, as shown in Fig. 2, and with this calculating cycle value, with variable p table
Show=0.8 second, the quantity of induced electricity pressure difference variableThe induced electricity pressure difference variable of each secondary coil pair is used
Variable vijIt indicates, 1≤j≤m；The voltage difference sequence vector a of each secondary coil pair is generated according to sampling instant sequencingi=
(vi1,vi2,…,vij,…vim), i.e. a1=(1,0, -1, -1, -1,0,1,1), a2=(1,1,1,0, -1, -1, -1,0).
Calculate the distance between voltage difference sequence vector: according to the voltage difference sequence vector a of each secondary coil pairiCalculate phase
Adjacent secondary coil is to the distance between voltage difference sequence vector, with variable siIt indicates；Transfer each secondary wire in a sampling period
The voltage difference sequence vector of circle pair, uses biIt indicates, the induced electricity pressure difference variable variable u in voltage difference sequence vectorijIt indicates,
1≤j≤m；According to voltage difference sequence vector aiAnd voltage difference sequence vector biEach secondary coil is calculated to current period and upper one week
The distance between phase voltage difference sequence vector, with variable xiIt indicates.
The neighboring secondary coil is to the distance between voltage difference sequence vector Or
The neighboring secondary coil is to the distance between voltage difference sequence vector
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence Or
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence In the present embodiment, the voltage difference sequence vector of two pairs of secondary coils pair is calculated
The distance between, s1=| a1-a2|=| a2-a1|=s2=| 1-1 |+| 0-1 |+| -1-1 |+| 0-1 |+| -1+1 |+| 1-0 |+| 1+1
|+| 1-0 |=8.The voltage difference sequence vector for transferring each secondary coil pair in a sampling period is respectively b1=(1,0, -1, -
1, -1,0,1,1), b2It is poor to current period and a upper periodic voltage to calculate each secondary coil for=(- 1, -1, -1,0,1,1,1,0)
The distance between sequence vector
Judge whether water meter adverse current occurs: judging the distance between the voltage difference sequence vector of neighboring secondary coil pair siWith
The size of gauged distance S set in advance, if si=S then determines that water meter coil does not break down, judges each secondary coil to working as
The distance between preceding period and a upper periodic voltage difference vector sequence xiWhether adverse current threshold X set in advance is greater than, if then
Determine that adverse current occurs in water meter, otherwise determines that water meter does not occur adverse current；If si≠ S then determines that water meter breaks down.The present embodiment
In, gauged distance S=8 set in advance, at this time si=S determines that water meter coil does not break down, adverse current threshold value set in advance
X=5, at this time x2> X determines that adverse current occurs in water meter.
The method of embodiment three, a kind of coil induction type water meter detection adverse current.
In the present embodiment three, non-circle metal plate is the sheet metal of semicircle, and 6 secondary coils are divided into three pairs and are serially connected and instead
It is connected.
The method of the coil induction type water meter detection adverse current of the present embodiment, comprising the following steps:
Obtain induced voltage difference data and calculate voltage difference variable: the quantity of secondary coil pair is denoted as N, according to setting in advance
The sampling time interval T set0The induced electricity pressure difference for obtaining each secondary coil pair, with variable viIt indicates, wherein i is secondary coil pair
Number, 1≤i≤N；Judge induced electricity pressure difference viWith it is set in advance metering threshold value V size, if vi> V, the then induced voltage
The variable of difference is 1, if vi=V, then the variable of the induced electricity pressure difference is 0, vi< V, then the variable of the induced electricity pressure difference be-
1。
The sampling time interval T set in advance0Time used in rotation half-turn less than non-circle metal plate.This implementation
In example, the logarithm N=3 of secondary coil, number is 1,2,3 respectively；Sampling time interval T set in advance0=0.1 second, some time
Carve the induced voltage difference data for obtaining each pair of secondary coil, v1=7 millivolts, v2=10 millivolts, v3=1 millivolt, meter set in advance
Threshold value V=5 millivolts of amount, then the induced electricity pressure difference variable of three pairs of secondary coils is respectively 1,1, -1.
It generates voltage difference sequence vector: counting the induced electricity pressure difference variable of each secondary coil pair and with this calculating cycle
Value, is indicated with variable p；Each secondary coil is obtained to the induced electricity pressure difference variable sampled in current period, induced electricity differential manometer
The quantity of magnitude indicates with variable m, the induced electricity pressure difference variable variable v of each secondary coil pairijIt indicates, 1≤j≤m；According to
Sampling instant sequencing generates the voltage difference sequence vector a of each secondary coil pairi=(vi1,vi2,…,vij,…vim)。
The quantity of the induced electricity pressure difference variableIn the present embodiment, the induction of each secondary coil pair is counted
Voltage difference variable, and with this calculating cycle value, it is indicated=0.8 second with variable p, the quantity of induced electricity pressure difference variableThe induced electricity pressure difference variable variable v of each secondary coil pairijIt indicates, 1≤j≤m；According to sampling instant elder generation
It is sequentially generated the voltage difference sequence vector a of each secondary coil pair afterwardsi=(vi1,vi2,…,vij,…vim), i.e. a1=(1,0, -1, -
1, -1,0,1,1), a2=(1,1,1,0, -1, -1, -1,0), a3=(- 1,1,0, -1,1, -1,0,1).
Calculate the distance between voltage difference sequence vector: according to the voltage difference sequence vector a of each secondary coil pairiCalculate phase
Adjacent secondary coil is to the distance between voltage difference sequence vector, with variable siIt indicates；Transfer each secondary wire in a sampling period
The voltage difference sequence vector of circle pair, uses biIt indicates, the induced electricity pressure difference variable variable u in voltage difference sequence vectorijIt indicates,
1≤j≤m；According to voltage difference sequence vector aiAnd voltage difference sequence vector biEach secondary coil is calculated to current period and upper one week
The distance between phase voltage difference sequence vector, with variable xiIt indicates.
The neighboring secondary coil is to the distance between voltage difference sequence vector Or
The neighboring secondary coil is to the distance between voltage difference sequence vector
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence Or
Each secondary coil is to the distance between current period and upper periodic voltage difference vector sequence In the present embodiment, the voltage difference sequence vector of two pairs of secondary coils pair is calculated
The distance between, Transfer one
The voltage difference sequence vector of each secondary coil pair is respectively b in sampling period1=(1,0, -1, -1, -1,0,1,1), b2=(-
1, -1, -1,0,1,1,1,0), b3=(- 1,1,0, -1,1, -1,0,1) calculates each secondary coil to current period and upper one week
The distance between phase voltage difference sequence vector
Judge whether water meter adverse current occurs: judging the distance between the voltage difference sequence vector of neighboring secondary coil pair siWith
The size of gauged distance S set in advance, if si=S then determines that water meter coil does not break down, judges each secondary coil to working as
The distance between preceding period and a upper periodic voltage difference vector sequence xiWhether adverse current threshold X set in advance is greater than, if then
Determine that adverse current occurs in water meter, otherwise determines that water meter does not occur adverse current；If si≠ S then determines that water meter breaks down.The present embodiment
In, gauged distance S=3.46 set in advance, at this time s1=s2=s3=S=3.46 determines that water meter coil does not break down, thing
Adverse current threshold X=1 being first arranged, at this time x2> X determines that adverse current occurs in water meter.
A kind of coil induction type water meter of the embodiment of the present invention, comprising:
Water meter body；
One or more processors；
Readable storage medium storing program for executing；And
One or more programs wherein one or more of programs are stored in readable storage medium storing program for executing, and are matched
It is set to and is executed by one or more of processors, described program includes for executing side described in embodiment one or embodiment two
Method.
Certainly, ordinary skill user in the art is it should be appreciated that above embodiments are intended merely to illustrate this hair
It is bright, and be not intended as limitation of the invention, as long as within the scope of the invention, all to the variations of above embodiments, modification
Protection scope of the present invention will be fallen into.
Claims (8)
1. a kind of method of coil induction type water meter detection adverse current, it is characterised in that the following steps are included:
Obtain induced voltage difference data and calculate voltage difference variable: the quantity of secondary coil pair is denoted as N, according to set in advance
Sampling time interval T0The induced electricity pressure difference for obtaining each secondary coil pair, with variable viIt indicates, wherein i is the volume of secondary coil pair
Number, 1≤i≤N；Judge induced electricity pressure difference viWith it is set in advance metering threshold value V size, if vi> V, then the induced electricity pressure difference
Variable is 1, if vi=V, then the variable of the induced electricity pressure difference is 0, vi< V, then the variable of the induced electricity pressure difference is -1；
It generates voltage difference sequence vector: counting the induced electricity pressure difference variable of each secondary coil pair and with this calculating cycle value, use
Variable p is indicated；Each secondary coil is obtained to the induced electricity pressure difference variable sampled in current period, induced electricity pressure difference variable
Quantity indicates with variable m, the induced electricity pressure difference variable variable v of each secondary coil pairijIt indicates, 1≤j≤m；When according to sampling
Carve the voltage difference sequence vector a that sequencing generates each secondary coil pairi=(vi1,vi2,…,vij,…vim)；
Calculate the distance between voltage difference sequence vector: according to the voltage difference sequence vector a of each secondary coil pairiIt calculates adjacent time
Grade coil is to the distance between voltage difference sequence vector, with variable siIt indicates；Transfer each secondary coil pair in a sampling period
Voltage difference sequence vector, use biIt indicates, the induced electricity pressure difference variable variable u in voltage difference sequence vectorijIt indicates, 1≤j
≤m；According to voltage difference sequence vector aiAnd voltage difference sequence vector biEach secondary coil was calculated to current period and electricity of the upper period
The distance between pressure difference sequence vector, with variable xiIt indicates；
Judge whether water meter adverse current occurs: judging the distance between the voltage difference sequence vector of neighboring secondary coil pair siWith it is prior
The size of the gauged distance S of setting, if si=S then determines that water meter coil does not break down, judges each secondary coil to current week
The distance between phase and a upper periodic voltage difference vector sequence xiWhether adverse current threshold X set in advance is greater than, if then determining
There is adverse current in water meter, otherwise determines that water meter does not occur adverse current；If si≠ S then determines that water meter breaks down.
2. the method for coil induction type water meter detection adverse current according to claim 1, which is characterized in that the prior setting
Sampling time interval T0Time used in rotation half-turn less than non-circle metal plate.
3. the method for coil induction type water meter detection adverse current according to claim 1, which is characterized in that the induced voltage
The quantity of poor variable
4. the method for coil induction type water meter detection adverse current according to claim 1, which is characterized in that the neighboring secondary
Coil is to the distance between voltage difference sequence vector
5. the method for coil induction type water meter detection adverse current according to claim 1, which is characterized in that the neighboring secondary
Coil is to the distance between voltage difference sequence vector
6. the method for coil induction type water meter detection adverse current according to claim 1, which is characterized in that each secondary wire
Circle is to the distance between current period and upper periodic voltage difference vector sequence
7. the method for coil induction type water meter detection adverse current according to claim 1, which is characterized in that each secondary wire
Circle is to the distance between current period and upper periodic voltage difference vector sequence
8. a kind of coil induction type water meter, comprising:
Water meter body；
One or more processors；
Readable storage medium storing program for executing；And
One or more programs wherein one or more of programs are stored in readable storage medium storing program for executing, and are configured to
It is executed by one or more of processors, described program includes for executing the method as described in claim 1-7.
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| CN201910606854.7A CN110345998B (en) | 2019-07-06 | 2019-07-06 | Coil induction type water meter capable of detecting countercurrent and method for detecting countercurrent |
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| CN201910606854.7A CN110345998B (en) | 2019-07-06 | 2019-07-06 | Coil induction type water meter capable of detecting countercurrent and method for detecting countercurrent |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3015456B2 (en) * | 1990-11-20 | 2000-03-06 | 株式会社東芝 | Dam inflow calculator |
| CN2475998Y (en) * | 2001-05-11 | 2002-02-06 | 庄革 | Drip-proof intelligence device |
| CN101137892A (en) * | 2005-03-07 | 2008-03-05 | 萨佩尔公司 | Angular position inductive sensor |
| CN205120180U (en) * | 2015-11-14 | 2016-03-30 | 江苏中威智能设备有限公司 | Leak protection circulation of vital energy in wrong direction flows protection gas table |
| US20170052047A1 (en) * | 2015-08-19 | 2017-02-23 | Sensus Spectrum Llc | Inductive flow meter including extended magnetic pole pieces |
| CN206905830U (en) * | 2017-06-29 | 2018-01-19 | 淄博贝林电子有限公司 | A kind of intellectual water meter with stand-by power supply |
| CN108061580A (en) * | 2016-11-09 | 2018-05-22 | 阿自倍尔株式会社 | The field circuit and electromagnetic flowmeter of electromagnetic flowmeter |
| CN108180957A (en) * | 2018-02-08 | 2018-06-19 | 江苏远传智能科技有限公司 | Without magnetic remote transmitting water meter |
-
2019
- 2019-07-06 CN CN201910606854.7A patent/CN110345998B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3015456B2 (en) * | 1990-11-20 | 2000-03-06 | 株式会社東芝 | Dam inflow calculator |
| CN2475998Y (en) * | 2001-05-11 | 2002-02-06 | 庄革 | Drip-proof intelligence device |
| CN101137892A (en) * | 2005-03-07 | 2008-03-05 | 萨佩尔公司 | Angular position inductive sensor |
| US20170052047A1 (en) * | 2015-08-19 | 2017-02-23 | Sensus Spectrum Llc | Inductive flow meter including extended magnetic pole pieces |
| CN205120180U (en) * | 2015-11-14 | 2016-03-30 | 江苏中威智能设备有限公司 | Leak protection circulation of vital energy in wrong direction flows protection gas table |
| CN108061580A (en) * | 2016-11-09 | 2018-05-22 | 阿自倍尔株式会社 | The field circuit and electromagnetic flowmeter of electromagnetic flowmeter |
| CN206905830U (en) * | 2017-06-29 | 2018-01-19 | 淄博贝林电子有限公司 | A kind of intellectual water meter with stand-by power supply |
| CN108180957A (en) * | 2018-02-08 | 2018-06-19 | 江苏远传智能科技有限公司 | Without magnetic remote transmitting water meter |
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