CN111912380B - Water meter freezing degree calculation method and system - Google Patents
Water meter freezing degree calculation method and system Download PDFInfo
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- CN111912380B CN111912380B CN202010731047.0A CN202010731047A CN111912380B CN 111912380 B CN111912380 B CN 111912380B CN 202010731047 A CN202010731047 A CN 202010731047A CN 111912380 B CN111912380 B CN 111912380B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000007710 freezing Methods 0.000 title claims abstract description 77
- 230000008014 freezing Effects 0.000 title claims abstract description 71
- 238000004364 calculation method Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 12
- 230000001965 increasing effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 239000012778 molding material Substances 0.000 claims 1
- 230000000704 physical effect Effects 0.000 description 19
- 238000005070 sampling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
- G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a method and a system for calculating the freezing degree of a water meter. The method comprises the following steps: a sensor deployed on the water meter detects relevant data of the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the physical characteristics of the meter shell and sends the data to a control center, the control center calculates the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the physical characteristics of the meter shell, and reasonable and effective deicing or protection means are implemented according to the freezing degree. The method and the system solve the technical problem of how to effectively judge the current frozen degree of the water meter according to the characteristics of the meter shell.
Description
Technical Field
The invention belongs to the technical field of intelligent water meters, and particularly relates to a method and a system for calculating the freezing degree of a water meter.
Background
Most of the existing intelligent anti-freezing water meters adopt methods of additionally installing a heat insulation sleeve or an integrated heating device or emptying water in the water meter or increasing a buffer layer and the like for anti-freezing. For example, chinese patent CN208420088U, "an anti-freezing vertical water meter" proposes that an upper air bag and a lower air bag are provided in a water meter case, a heating device is provided at the bottom, and the heating device and the air bag are mutually squeezed to prevent the pointer plate from bursting, thereby enhancing the anti-freezing effect. Chinese patent CN210603453, an anti-freezing water meter, proposes that a thermal insulation bag and an electric heating tube are arranged on the inner wall of the meter case, the inner section of the water meter can be effectively melted by heating the electric heating tube, and the thermal insulation bag can continuously insulate heat of water for a long time.
The anti-freezing water meter technology mainly adopts a heating means to perform freezing protection, cannot effectively judge the current frozen degree of the water meter, and cannot implement reasonable and effective deicing or protection means according to the freezing degree.
At present, a technical scheme for effectively judging the current frozen degree of the water meter according to the characteristics of a meter shell does not exist. Therefore, a method and a system for calculating the freezing degree of the water meter are provided.
Disclosure of Invention
The invention provides a method and a system for calculating the freezing degree of a water meter in order to solve the problems.
The invention relies on monitoring sensors deployed in the water meter, which comprise an elastic pressure sensor, a laser sensor, a texture analyzer sampler and the like.
The invention discloses a method for calculating the freezing degree of a water meter, which is characterized by comprising the following steps of:
and calculating the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the physical characteristics of the meter shell.
The specific description is as follows:
the calculating the freezing degree of the water meter according to the expansion ratio of the watchcase and/or the smoothness degree of the watchcase and/or the physical property characteristics of the watchcase comprises the following steps: calculating the degree of freezing of the water meter based on the expansion ratio of the case, calculating the degree of freezing of the water meter based on the smoothness of the case, calculating the degree of freezing of the water meter based on the physical characteristics of the case, calculating the degree of freezing of the water meter based on the expansion ratio and the smoothness of the case, calculating the degree of freezing of the water meter based on the expansion ratio and the physical characteristics of the case, calculating the degree of freezing of the water meter based on the smoothness and the physical characteristics of the case, and calculating the degree of freezing of the water meter based on the expansion ratio and the smoothness and the physical characteristics of the case.
Preferably, the case expansion ratio includes any one or more of an increased volume of the case from the initial state, and a degree of shape change of the case from the initial state.
Further preferably, the measurement method of the expansion ratio of the watchcase is as follows: the expansion ratio of the wristwatch case is calculated by calculating the volume of the wristwatch case increased from the initial state based on the stretched area of the elastic material covered on the outer surface of the wristwatch case, the degree of shape change of the wristwatch case from the initial state is judged based on the shape change of the integrally molded material covered on the outer surface of the wristwatch case, the expansion ratio of the wristwatch case is calculated based on the degree of shape change of the wristwatch case from the initial state, and the expansion ratio of the wristwatch case is comprehensively calculated based on the stretched area and the shape change of the elastic non-resilient material covered on the outer surface of the wristwatch case.
Preferably, the degree of smoothness of the case comprises any one or more of the amount of water remaining on the case wall, impurities remaining on the case wall, and the degree of smoothness of the case wall.
Further preferably, the smoothness of the watch case is detected by: the method comprises the steps of calculating a smoothness coefficient of a watch case according to the relation between the quantity and the volume of impurities remained on the wall of the watch case and the smoothness of the watch case, judging the smoothness of the watch case by adopting a laser sweep leveling technology and calculating the smoothness coefficient of the watch case according to the relation between the quantity and the volume of impurities remained on the wall of the watch case and the smoothness of the watch case, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and the volume of impurities remained on the wall of the watch case and the smoothness of the watch case by adopting the laser sweep leveling technology and judging the smoothness of the watch case by adopting the laser sweep leveling technology.
Preferably, the physical properties of the watch case include any one or more of hardness of the watch case, brittleness of the watch case, elasticity of the watch case, resilience of the watch case, bending ability of the watch case, breaking force of the watch case, tensile strength of the watch case, ductility of the watch case.
Further preferably, the physical property characteristic of the watch case is detected by a method comprising:
selecting physical property detection sampling points on the inner wall and the outer wall of the watch case;
obtaining a sample at a physical property detection sampling point and recording data of the sample;
and analyzing the sample data at each sampling point through a texture analyzer and calculating the physical property characteristic quantity of the watch case.
Preferably, the calculating of the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness of the meter shell and/or the physical characteristics of the meter shell comprises the following steps: the method comprises the following steps of calculating the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the expansion ratio of the watchcase, calculating the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the smoothness of the watchcase, calculating the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the physical property characteristics of the watchcase, comprehensively calculating the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the expansion ratio of the watchcase and the influence of the freezing degree of the water meter on the physical property characteristics of the watchcase, comprehensively calculating the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the smoothness of the watchcase and the influence of the freezing degree of the water meter on the physical property characteristics of the watchcase, and comprehensively calculating the freezing degree of the water meter according to the influence of the freezing degree of the expansion ratio of the watchcase and the influence of the freezing degree of the water meter on the smoothness of the physical property characteristics of the watchcase and the freezing degree of the water meter on the physical property characteristics of the watchcase.
A computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the above method.
A water meter freezing level calculation system, comprising:
a sensor; for detecting the rate of expansion of the watch case and/or the degree of smoothness of the watch case and/or physical characteristics of the watch case;
a processor;
a memory;
and
one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the programs causing the computer to perform the above-described methods.
The method and the system have the advantages that:
(1) According to the form change of the watchcase under different freezing conditions, the freezing degree of the water meter can be effectively identified according to the expansion ratio of the watchcase and/or the smoothness degree of the watchcase and/or the physical characteristics of the watchcase.
(2) By identifying the freezing degree of the water meter, a reasonable and effective deicing or protection means can be conveniently implemented according to the freezing degree.
Drawings
Detailed Description
The following describes in detail preferred embodiments of the present invention.
The embodiment of the invention relies on monitoring sensors arranged in the water meter, and the monitoring sensors comprise an elastic pressure sensor, a laser sensor, a texture analyzer sampler and the like.
According to the water meter freezing degree calculating method, the sensor arranged on the water meter detects the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the related data of the physical property characteristics of the meter shell and sends the data to the control center, the control center calculates the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the physical property characteristics of the meter shell, and reasonable and effective deicing or protection means are implemented according to the freezing degree.
The embodiment of the method for calculating the freezing degree of the water meter is characterized in that:
and calculating the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the physical characteristics of the meter shell.
The specific description is as follows:
the calculating the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness degree of the meter shell and/or the physical characteristics of the meter shell comprises the following steps: calculating the degree of freezing of the water meter based on the expansion ratio of the case, calculating the degree of freezing of the water meter based on the smoothness of the case, calculating the degree of freezing of the water meter based on the physical characteristics of the case, calculating the degree of freezing of the water meter based on the expansion ratio and the smoothness of the case, calculating the degree of freezing of the water meter based on the expansion ratio and the physical characteristics of the case, calculating the degree of freezing of the water meter based on the smoothness and the physical characteristics of the case, and calculating the degree of freezing of the water meter based on the expansion ratio and the smoothness and the physical characteristics of the case.
The case expansion ratio includes any one or more of an increased volume of the case from the initial state and a degree of shape change of the case from the initial state.
The detection method of the expansion ratio of the watchcase comprises the following steps: the expansion ratio of the wristwatch case is calculated by calculating the volume of the wristwatch case increased from the initial state based on the stretched area of the elastic material covering the outer surface of the wristwatch case, and the expansion ratio of the wristwatch case is calculated by judging the degree of shape change of the wristwatch case from the initial state based on the shape change of the integrally molded material covering the outer surface of the wristwatch case.
A1 to A3 in Table A show different embodiments for calculating the case expansion ratio
The smoothness of the case may include any one or more of the amount of water remaining on the case wall, impurities remaining on the case wall, and the smoothness of the case wall.
The smoothness of the watch case is detected by the following method: the method comprises the steps of calculating a smoothness coefficient of a watch case according to the relation between the quantity and volume of water remained on a watch case wall and the smoothness of the watch case, calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of impurities remained on the watch case wall and the smoothness of the watch case, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of water remained on the watch case wall and the smoothness of the watch case, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of impurities remained on the watch case wall and the smoothness of the watch case and judging the smoothness of the watch case by adopting a laser sweep leveling technique, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of impurities remained on the watch case wall and the smoothness of the watch case and judging the smoothness of the watch case by adopting the laser sweep leveling technique, and comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of water remained on the watch case wall and the smoothness of the watch case and judging the smoothness by adopting the laser sweep leveling technique.
In table B, B1 to B7 show different embodiments for calculating the smoothness of the watch case.
The physical property characteristics of the watch case comprise any one or more of hardness of the watch case, brittleness of the watch case, elasticity of the watch case, resilience of the watch case, bending capability of the watch case, breaking force of the watch case, tensile strength of the watch case and ductility of the watch case.
The physical property characteristic of the watchcase, its detection method includes:
selecting physical property detection sampling points on the inner wall and the outer wall of the watch case;
obtaining a sample at a physical property detection sampling point and recording data of the sample;
and analyzing the sample data at each sampling point by a texture analyzer and calculating the physical property characteristic quantity of the watch case. The physical property characteristic quantity of the watch case in this embodiment is any one or more of hardness of the watch case, brittleness of the watch case, elasticity of the watch case, resilience of the watch case, bending ability of the watch case, breaking force of the watch case, tensile strength of the watch case, and ductility of the watch case.
Various embodiments for calculating the freezing level of the water meter are shown in tables C, C1-C7, wherein table C relates to the case expansion ratio (any of the examples in table a), the smoothness of the case (any of the examples in table B), and the physical characteristics of the case.
A computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method of the above embodiment.
The embodiment of the water meter freezing degree calculation system is characterized by comprising the following steps:
a sensor; the device is used for detecting the expansion ratio of the watchcase and/or the smoothness degree of the watchcase and/or the physical characteristics of the watchcase;
a processor;
a memory;
and
one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the programs causing the computer to perform the method of any of the embodiments described above.
Of course, those skilled in the art should realize that the above embodiments are only used for illustrating the present invention, and not as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the present invention.
Claims (6)
1. A method for calculating the freezing degree of a water meter is characterized by comprising the following steps:
calculating the freezing degree of the water meter according to the expansion ratio of the meter shell and/or the smoothness degree of the meter shell;
the freezing degree of the water meter is calculated according to the expansion ratio of the meter shell and/or the smoothness of the meter shell, and comprises the following steps: calculating any one of the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the expansion ratio of the shell, the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the smoothness of the shell, and the freezing degree of the water meter according to the influence of the freezing degree of the water meter on the expansion ratio of the shell and the influence of the freezing degree of the water meter on the smoothness of the shell;
the detection method of the expansion ratio of the watchcase comprises the following steps: calculating any one of a volume of the case increased from the initial state based on the stretched area of the integrally molded material covered on the outer surface of the case and calculating an expansion ratio of the case based on the volume, a shape change of the case from the initial state based on the shape change of the integrally molded material covered on the outer surface of the case and calculating an expansion ratio of the case based on the shape change, and an expansion ratio of the case based on the stretched area and the shape change of the integrally molded material covered on the outer surface of the case;
the method for calculating the volume of the watch case increased relative to the initial state according to the stretching area of the integral molding material covered on the outer surface of the watch case and calculating the expansion ratio of the watch case according to the volume, comprises the following steps: acquiring an initial form of an integrally formed material covered on the surface of a watch case; obtaining a current form of the covered integrally formed material; measuring the distance between the current form and the initial form and calculating a distance average value r; calculating the expansion ratio a, a of the watch case from the distance average r
Or a
Wherein k1, k2, k3 and k4 are calculation coefficients obtained by training in advance;
the method comprises the following steps of judging the shape change of the watchcase relative to the initial state according to the shape change of an integrally-molded material covered on the outer surface of the watchcase, and calculating the expansion ratio of the watchcase according to the shape change of the watchcase relative to the initial state, wherein the method comprises the following steps: acquiring an initial form of an integrally formed material covered on the surface of a watch case; comparing the current form with the initial form of the integrally formed material and counting the number m of positions with different forms; calculating the expansion ratio a, a of the watch case according to the number m of the positions with different forms
Or a
Wherein k5, k6, k7 and k8 are calculation coefficients obtained by training in advance;
the method for comprehensively calculating the expansion ratio of the watch case according to the stretching area and the shape change of the integrally-formed material covered on the outer surface of the watch case comprises the following steps: acquiring a current form of the overlaid integrally formed material and measuring between the current form and an initial formDistance and calculating a distance average value r; comparing the current form with the initial form of the integrally formed material and counting the number m of positions with different forms; calculating the expansion ratio a, a of the watch case based on the distance average r and the number m of positions with different shapes
Or a
And k9, k10 and k11 are calculation coefficients obtained by training in advance.
2. A water meter freezing level calculation method as claimed in claim 1, wherein said case expansion ratio includes any one or more of an increased volume of the case relative to an initial state and a change in shape of the case relative to the initial state.
3. The water meter freezing level calculation method according to claim 1, wherein the smoothness of the casing includes any one or more of the amount of water remaining on the casing wall, impurities remaining on the casing wall, and smoothness of the casing wall.
4. The method for calculating the freezing degree of a water meter according to claim 3, wherein the smoothness of the meter case is detected by: the method comprises the steps of calculating a smoothness coefficient of a watch case according to the relation between the quantity and volume of water remained on a watch case wall and the smoothness of the watch case, calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of impurities remained on the watch case wall and the smoothness of the watch case, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of water remained on the watch case wall and the smoothness of the watch case, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of impurities remained on the watch case wall and the smoothness of the watch case and judging the smoothness of the watch case by adopting a laser sweep leveling technique, comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of impurities remained on the watch case wall and the smoothness of the watch case and judging the smoothness of the watch case by adopting the laser sweep leveling technique, and comprehensively calculating the smoothness coefficient of the watch case according to the relation between the quantity and volume of water remained on the watch case wall and the smoothness of the watch case and judging the smoothness by adopting the laser sweep leveling technique.
5. A computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 1-4.
6. A water meter freezing level calculation system, comprising:
a sensor; for detecting the rate of expansion of the watch case and/or the degree of smoothness of the watch case and/or physical characteristics of the watch case;
a processor;
a memory;
and
one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the programs causing the computer to perform the method of any of claims 1-4.
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| CN111912380A (en) | 2020-11-10 |
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