CN112378463A - Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error - Google Patents
Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error Download PDFInfo
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- CN112378463A CN112378463A CN202011184927.7A CN202011184927A CN112378463A CN 112378463 A CN112378463 A CN 112378463A CN 202011184927 A CN202011184927 A CN 202011184927A CN 112378463 A CN112378463 A CN 112378463A
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- metering
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- water meter
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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
- G01F1/05—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 mechanical effects
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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
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
- G01F15/063—Indicating or recording devices for remote indication using electrical means
-
- 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
- G01F15/06—Indicating or recording devices
- G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
-
- 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
- G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to the technical field of mechanical water meter metering and remote transmission, and discloses a remote water meter capable of thoroughly eliminating electromechanical conversion metering errors. The invention solves the problem of deviation of mechanical metering results and remote metering information of the existing remote water meter, collects data of a mechanical base meter by arranging an instrument panel camera unit, analyzes the data by a calculation storage and management unit, and finally sends data signals to a remote receiving end by a communication unit, thereby realizing refined metering observation and recording.
Description
Technical Field
The invention relates to the technical field of metering and remote transmission of mechanical water meters, in particular to a remote transmission water meter and a method capable of thoroughly eliminating electromechanical conversion metering errors.
Background
The basic structure of the current common mechanical water meter comprises: 1. a metering mechanism: comprises a wheel box, an impeller box, an integral impeller, a tip, an adjusting plate and the like. 2. Counting mechanisms, that is, metering result display mechanisms of mechanical water meters, are commonly in the form of pointer type, character wheel type and pointer character wheel combination. 3. The water filter screen mainly filters impurities in water and prevents damage to a metering mechanism, and 4, a meter shell, a middle cover and meter glass. The metering mechanism is the "heart" of the water meter, which plays a key role in the metering performance and durability of the water meter. The existing popular remote water meters are basically divided into two large categories, namely photoelectric direct reading and pulse remote water meters, which use a mechanical water meter as a base meter, complete basic water metering by a metering mechanism of the mechanical water meter, and complete electromechanical conversion from a mechanical metering result to an electronic signal by additionally arranging an electronic component.
At present, both pulse type remote water meters and photoelectric direct reading have electromechanical conversion deviation of a metering result, and the photoelectric direct reading also has the problem of conversion accuracy.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a remote water meter and a method which can thoroughly eliminate the electromechanical conversion metering error, so as to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can thoroughly eliminate teletransmission water gauge of electromechanical conversion metering error, includes mechanical base table, the top fixed mounting of mechanical base table has panel board camera unit, the interior fixed mounting of mechanical base table has impeller pulse technical unit, impeller pulse technical unit's side fixed mounting has calculation storage and administrative unit, impeller pulse technical unit's top fixed mounting has communication unit.
Preferably, the composition structure, the function of mechanical base table and ordinary mechanical water gauge on the market are completely the same.
Preferably, the impeller pulse technical unit has the same structure and composition form as pulse remote water meters on the market.
Preferably, the impeller pulse technique unit counts the revolutions of the impeller or other selected character wheel pointer, and the counting result is not used for forming the final metering result.
Preferably, the dashboard camera unit takes a complete picture of the character wheel, the pointer and the pointer character wheel displayed by the counting mechanism of the dashboard of the mechanical base watch to form a static image which can be recognized by naked eyes, and the period of image acquisition is performed according to a metering period set by a system, generally 24 hours, N days or longer.
Preferably, when some of the algorithms in the computing storage and management unit need to be run remotely, the communication unit performs communication functions between the computing functions located remotely and other functions of the mechanical base table.
A method for thoroughly eliminating electromechanical conversion metering error is characterized in that: the method comprises the following steps:
s1, collecting images of the character wheel and the pointer information on the mechanical instrument by the instrument panel camera unit;
s2, the calculation, storage and management unit identifies the all natural scene of each frame of image obtained in the S1 and converts the information into digital management metering information;
s3, the system manager sets instructions for the sub observation period in the metering period, and finishes the measuring result M of the sub measuring period according to the sub measuring period and the metering periodnThe specific calculation method involves the following parameters: measuring result V, total number D of impeller revolution recorded at full time of measuring period D, and T in sub-observation period1,T2…TnRespectively corresponding impeller revolution number C1，C2…CNV，T1,T2…TnThe relationship of D to D is shown in FIG. 2;
Mnthe calculation formula of (2) is as follows: mN＝V*(Cn/D)
S4, the communication unit sends the measurement data stored in the calculation storage and management unit to the remote monitor, thereby completing the whole procedure.
Preferably, the measurement result V is obtained by an image obtained by an instrument panel camera unit and a calculation, storage and management unit.
Compared with the prior art, the invention provides the remote water meter and the method which can thoroughly eliminate the electromechanical conversion metering error, and the remote water meter and the method have the following beneficial effects:
1. the invention does not generate new electromechanical conversion metering results, the metering results are completely generated according to the original metering mechanism of the base meter, and the metering information displayed by all the counting mechanisms on the instrument panel of the base meter is completely equal to the remote metering information, thereby completely eliminating the deviation of the mechanical metering results and the remote metering information of the existing remote water meter.
2. The invention skillfully utilizes the machine automatic learning and understanding capability of full natural scene image recognition on the meter panel metering information, simultaneously considers the characteristic that pulse counting is suitable for high-frequency metering observation, fully utilizes the skillful combination of artificial intelligence and low-cost sensors, and completely eliminates the problems of large metering deviation, low metering precision and incapability of flexibly setting the measuring period of the existing remote water meter, thereby being very beneficial to developing large-scale water network intelligent upgrading with high precision, high credibility and low cost.
3. According to the invention, the instrument panel camera unit is arranged to collect data of the mechanical base table, then the data are analyzed by the calculation storage and management unit, and finally the data signals are sent to the remote receiving end through the communication unit, so that the refined measurement observation and recording are realized.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 shows the present invention T1,T2…TnAnd D.
In the figure: 1 mechanical base table, 2 instrument panel camera unit, 3 impeller pulse technology unit, 4 calculation storage and management unit, 5 communication unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: a can totally eliminate the telemetering water gauge of the electromechanical conversion metering error, including the mechanical base table 1, the composition structure, function of the mechanical base table 1 are totally the same as ordinary mechanical water gauge on the market, the top of the mechanical base table 1 is fixedly equipped with the camera unit 2 of the instrument panel, the camera unit 2 of the instrument panel shoots the character wheel, pointer character wheel that the counting mechanism of the instrument panel of the mechanical base table 1 shows completely and forms the static image that can be discerned by naked eyes, the cycle of the image acquisition is carried on according to the metering cycle that the system sets for, generally 24 hours, N days or longer time, the internal fixed impeller pulse technology unit 3 equipped with of the mechanical base table 1, the composition and composition form of the impeller pulse technology unit 3 are the same as pulsed telemetering water gauge on the market, the impeller pulse technology unit 3 counts the revolution to the impeller or other selected character wheel pointers, the counting result is not used for forming a final metering result, a calculation storage and management unit 4 is fixedly installed on the side face of an impeller pulse technical unit 3, a communication unit 5 is fixedly installed on the top of the impeller pulse technical unit 3, data of a mechanical base table 1 are collected by arranging an instrument panel camera unit 2, then the data are analyzed through the calculation storage and management unit 4, and finally data signals are sent to a remote receiving end through the communication unit 5, so that refined metering observation and recording are achieved, and when certain algorithms in the calculation storage and management unit 4 need to run at a remote end, the communication unit 5 completes the communication function between the calculation function arranged at the remote end and other functions of the mechanical base table 1.
A method for thoroughly eliminating electromechanical conversion metering error comprises the following steps:
s1, the instrument panel camera unit 2 collects the information of character wheels and pointers on the mechanical instrument 1;
s2, the calculation, storage and management unit 4 identifies the all natural scene of each frame of image obtained in S1, and converts the information into digital management metering information;
s3, system management personnel set instructions for the sub observation period in the metering period, and complete the calculation of the measurement result Mn of the sub measurement period according to the sub measurement period and the metering period, wherein the specific calculation method relates to the following parameters: the relation among the metering result V, the total number D of impeller revolutions recorded at the full time of the metering period D, the impeller revolutions C1, C2 … CNV, T1, T2 … Tn and D in the sub observation period, which correspond to the impeller revolutions T1 and T2 … Tn in the sub observation period, is shown in FIG. 2, and the metering result V is obtained through the image obtained by the instrument panel camera unit 2 and the calculation, storage and management unit 4;
the calculation formula of Mn is: MN ═ V ═ Cn/D)
S4, the communication unit 5 transmits the measurement data stored in the calculation storage and management unit 4 to the remote monitor, thereby completing the entire procedure.
In use, the instrument panel camera unit 2 collects images of the character wheel and pointer information on the mechanical instrument 1, the calculation storage and management unit 4 identifies the all natural scene of each frame image obtained in S1 and converts the information into digital management metering information, and the communication unit 5 transmits the measurement data stored in the calculation storage and management unit 4 to the remote monitor, thereby completing the whole process.
In conclusion, the invention does not generate new electromechanical conversion metering results, the metering results are completely generated according to the original metering mechanisms of the base meter, the metering information displayed by all the metering mechanisms on the instrument panel of the base meter is completely equal to the remote-transmission metering information, thereby completely eliminating the deviation of the mechanical metering results and the remote-transmission metering information of the existing remote-transmission water meter, skillfully utilizing the automatic learning and understanding capability of the machine of the metering information of the instrument panel by utilizing the full-natural scene image recognition, simultaneously also taking the characteristic that the pulse counting is suitable for high-frequency metering observation into consideration, fully utilizing the ingenious combination of artificial intelligence and low-cost sensors, completely eliminating the problems of large metering deviation, low metering precision and incapability of flexibly setting the measuring period of the existing remote-transmission water meter, and being very beneficial to developing the intelligent upgrade of a large-scale water network with high precision, high credibility and low cost, the instrument panel camera unit 2 is arranged to collect data of the mechanical base table 1, then the data are analyzed through the calculation storage and management unit 4, and finally the data signals are sent to the remote receiving end through the communication unit 5, so that refined measurement observation and recording are achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A can eliminate teletransmission water gauge of electromechanical conversion metering error completely, includes mechanical base table (1), its characterized in that: the instrument panel camera unit (2) is fixedly mounted at the top of the mechanical base meter (1), an impeller pulse technical unit (3) is fixedly mounted in the mechanical base meter (1), a calculation storage and management unit (4) is fixedly mounted on the side face of the impeller pulse technical unit (3), and a communication unit (5) is fixedly mounted at the top of the impeller pulse technical unit (3).
2. A remote-water meter capable of completely eliminating electromechanical conversion metering error according to claim 1, characterized in that: the mechanical base meter (1) is completely the same as a common mechanical water meter on the market in composition structure and function.
3. A remote-water meter capable of completely eliminating electromechanical conversion metering error according to claim 1, characterized in that: the constitution and the constitution form of the impeller pulse technical unit (3) are the same as those of the pulse type remote transmission water meter in the market.
4. A remote-water meter capable of completely eliminating electromechanical conversion metering error according to claim 1, characterized in that: the impeller pulse technology unit (3) counts the revolutions of the impeller or other selected character wheel pointer, and the counting result is not used for forming the final metering result.
5. A remote-water meter capable of completely eliminating electromechanical conversion metering error according to claim 1, characterized in that: the instrument panel camera unit (2) takes a complete picture of the character wheel, the pointer and the pointer character wheel displayed by the counting mechanism of the instrument panel of the mechanical base table (1) to form a static image which can be identified by naked eyes, and the period of image acquisition is carried out according to the metering period set by the system, generally 24 hours, N days or longer.
6. A remote-water meter capable of completely eliminating electromechanical conversion metering error according to claim 1, characterized in that: when some algorithms in the calculation storage and management unit (4) need to be run remotely, the communication unit (5) performs communication functions between the calculation functions located remotely and other functions of the mechanical base table (1).
7. A method for thoroughly eliminating electromechanical conversion metering error is characterized in that: the method comprises the following steps:
s1, collecting images of the character wheel and the pointer information on the mechanical instrument (1) by the instrument panel camera unit (2);
s2, the calculation, storage and management unit (4) identifies the all natural scene of each frame image obtained in the S1, and converts the information into digital management metering information;
s3, the system manager sets instructions for the sub observation period in the metering period, and finishes the measuring result M of the sub measuring period according to the sub measuring period and the metering periodnThe specific calculation method involves the following parameters: measuring result V, total number D of impeller revolution recorded at full time of measuring period D, and T in sub-observation period1,T2…TnRespectively corresponding impeller revolution number C1，C2…CNV，T1,T2…TnThe relationship of D to D is shown in FIG. 2;
Mnthe calculation formula of (2) is as follows: mN＝V*(Cn/D)
S4, the communication unit (5) transmits the measurement data stored in the calculation storage and management unit (4) to the remote monitor, thereby completing the whole procedure.
8. The method for completely eliminating the metering error of the electromechanical transducer according to claim 6, wherein: the metering result V is obtained through an image acquired by the instrument panel camera unit (2) and a calculation, storage and management unit (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184927.7A CN112378463A (en) | 2020-10-29 | 2020-10-29 | Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011184927.7A CN112378463A (en) | 2020-10-29 | 2020-10-29 | Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error |
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| CN112378463A true CN112378463A (en) | 2021-02-19 |
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| CN202011184927.7A Pending CN112378463A (en) | 2020-10-29 | 2020-10-29 | Remote water meter and method capable of thoroughly eliminating electromechanical conversion metering error |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029304A (en) * | 2021-03-02 | 2021-06-25 | 浙江正泰中自控制工程有限公司 | Intelligent water meter and system combining camera shooting identification and pulse metering |
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| CN207866309U (en) * | 2018-02-07 | 2018-09-14 | 西安工程大学 | A kind of water meter automatic checkout system based on image procossing |
| CN208351501U (en) * | 2018-07-18 | 2019-01-08 | 天信仪表集团有限公司 | A kind of automatic detection operation platform of multi signal output mechanical counter |
| CN109520594A (en) * | 2018-12-27 | 2019-03-26 | 浙江蓝宝石仪表科技有限公司 | A kind of the ultrasonic wave gas meter measuring device and bearing calibration of energy automatic error correction |
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2020
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257612A (en) * | 2001-02-27 | 2002-09-11 | Osaka Gas Co Ltd | Remote monitoring device for gas meter and remote meter device for gas meter |
| CN202177435U (en) * | 2011-08-09 | 2012-03-28 | 浙江省计量科学研究院 | Household diaphragm gas meter on-line verification instrument |
| CN203337232U (en) * | 2013-04-19 | 2013-12-11 | 宁波市精诚仪表有限公司 | Photoelectric sampler used for accuracy measurement of flowmeter |
| CN205449190U (en) * | 2015-12-26 | 2016-08-10 | 无锡聚为科技有限公司 | Teletransmission water gauge of making a video recording based on character wheel and pointer combination discernment |
| CN207866309U (en) * | 2018-02-07 | 2018-09-14 | 西安工程大学 | A kind of water meter automatic checkout system based on image procossing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113029304A (en) * | 2021-03-02 | 2021-06-25 | 浙江正泰中自控制工程有限公司 | Intelligent water meter and system combining camera shooting identification and pulse metering |
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Application publication date: 20210219 |