CN102967348A - Full-flow-point rapid detection device for water meter - Google Patents
Full-flow-point rapid detection device for water meter Download PDFInfo
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- CN102967348A CN102967348A CN2012104714069A CN201210471406A CN102967348A CN 102967348 A CN102967348 A CN 102967348A CN 2012104714069 A CN2012104714069 A CN 2012104714069A CN 201210471406 A CN201210471406 A CN 201210471406A CN 102967348 A CN102967348 A CN 102967348A
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Abstract
The invention discloses a full-flow-point rapid detection device for a water meter. The full-flow-point rapid detection device comprises an embedded controller and a detection system, wherein in the detection system, a standard water meter and a calibrated water meter are arranged in sequence on a pipeline between a water inlet tube and a water outlet tube; color mark sensors are arranged above the standard water meter and the calibrated water meter respectively; an electromagnetic valve I is arranged on the water inlet tube; a flow point switching electromagnetic valve II is arranged on the water outlet tube; and the embedded controller comprises a frequency multiplication module for performing frequency multiplication on pulses input by using the color mark sensors, a flow point control module which can be used for realizing automatic switch of each flow point, a keyboard module which can be used for receiving input parameters and commands of operating personnel, an LCD (Liquid Crystal Display) module which can be used for displaying current testing information, and a main control module which can be used for processing receiving and transmitting commands and computing errors of the calibrated water meter. According to the full-flow-point rapid detection device, the sampling accuracy is effectively increased, and the calibrated water meter can be used for finishing testing of all flow points in a short period of time on the same device, so that the water meter detection accuracy and production efficiency are increased greatly.
Description
Technical field
The present invention relates to a kind of water meter error detecting technology, particularly a kind of water meter full flow point device for fast detecting.
Background technology
At present, in the water meter production run, especially in water meter production run in enormous quantities, each flow point test mainly detects by the pick-up unit of difference in functionality, as: large flow, nominal flow rate are used volumetric water meter pick-up unit or pc detecting instrument more, and how boundary flow, low discharge realize the detection of each flow point tolerance of water meter with the tandem pick-up unit.Said method water meter performance in actual production process is subject to the impact of equipment working condition, the factor such as artificial, and can not adjust in real time water meter because of the tandem pick-up unit, and defective water meter must return to readjust and cause production efficiency very low.Various robotization testers also appear in recent years, though reduce to a certain extent personal error, fail all the time to solve the quick test that can realize at same pick-up unit whole flow points.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, has proposed a kind of water meter full flow point device for fast detecting that improves checking precision and production efficiency, can realize at a table apparatus fast detecting of full flow point.
The technical problem to be solved in the present invention is achieved through the following technical solutions, and a kind of water meter full flow point device for fast detecting is characterized in: comprise embedded controller and detection system,
Described detection system comprises water inlet pipe and rising pipe, standard water meter is installed successively and by the school water meter on the pipeline between water inlet pipe and the rising pipe, be equipped with respectively for the color mark sensor that water meter cutaneous acupuncture turn signal is converted into pulse signal at standard water meter with above by the school water meter, be equipped with at the water inlet pipe place and can control the solenoid valve I that opens or closes the calibration water source, the solenoid valve II that realizes flow point switching is housed at the rising pipe place;
Described embedded controller comprises times frequency module that the pulse of color mark sensor input can be carried out frequency multiplication, can realize flow point control module, the Keysheet module that can receive operating personnel's input parameter and instruction that each flow point automaticallyes switch, can show the LCD display module of current detecting information and can process and receive and dispatch instruction and by the main control module of school water meter error calculating, flow point control module is joined by control line and solenoid valve I and solenoid valve II.
The technical problem to be solved in the present invention can also be come further to realize by the following technical programs, also is separately installed with manual ball valve and spinner-type flowmeter in the rear and front end of solenoid valve II and is used for the uninterrupted that operating personnel arrange each flow point.
The technical problem to be solved in the present invention can also be come further to realize by the following technical programs, described times of frequency module receives standard water meter and by the output pulse of the color mark sensor on the water meter of school, the pulse precision that the pulse precision of exporting after process of frequency multiplication is inputted is integral multiple and improves.
The present invention compared with prior art, owing to adopted the program control frequency multiplication mode of pulse to sample, effectively raise sampling precision, can make by school water meter short time on same device and finish the test of all flow points, thereby increase substantially water meter checking precision and production efficiency.
Description of drawings
Fig. 1 is structure diagram of the present invention;
Fig. 2 is system principle diagram of the present invention;
Fig. 3 is program control frequency multiplication modular circuit structured flowchart in the embodiment of the invention.
Embodiment
A kind of water meter full flow point device for fast detecting comprises embedded controller and detection system.Described detection system comprises water inlet pipe and rising pipe, standard water meter is installed successively and by the school water meter on the pipeline between water inlet pipe and the rising pipe, be equipped with respectively for the color mark sensor that water meter cutaneous acupuncture turn signal is converted into pulse signal at standard water meter with above by the school water meter, be equipped with at the water inlet pipe place and can control the solenoid valve I that opens or closes the calibration water source, the solenoid valve II that realizes flow point switching is housed at the rising pipe place; Described embedded controller comprises times frequency module that the pulse of color mark sensor input can be carried out frequency multiplication, can realize flow point control module, the Keysheet module that can receive operating personnel's input parameter and instruction that each flow point automaticallyes switch, can show the LCD display module of current detecting information and can process and receive and dispatch instruction and by the main control module of school water meter error calculating, flow point control module is joined by control line and solenoid valve I and solenoid valve II.
Also be separately installed with manual ball valve and spinner-type flowmeter in the rear and front end of solenoid valve II and be used for the uninterrupted that operating personnel arrange each flow point.Described times of frequency module receives standard water meter and by the output pulse of the color mark sensor on the water meter of school, the pulse precision that the pulse precision of exporting after process of frequency multiplication is inputted is integral multiple and improves.
Shown in accompanying drawing 1,2, embedded controller 1, color mark sensor 2, standard water meter 3, solenoid valve I 4, solenoid valve II 5, manual ball valve 6, spinner-type flowmeter 7 and by school water meter 8; Embedded controller 1 is comprised of main control module 1-1, times frequency module 1-2, flow point control module 1-3, Keysheet module 1-4 and LCD display module 1-5 again.
Entering water electromagnetic valve 4 is installed in the water inlet pipe place of device, and the rising pipe place of device is equipped with three group rotor flowmeters 7.
Described embedded controller 1 is used for receiving operating personnel from instruction and the parameter of Keysheet module 1-4 input, send parameter to times frequency module 1-2 and flow point control module 1-3 respectively by data bus, realize the opening and closing of adjustment, control entering water electromagnetic valve 4 and flow point switching solenoid valve 5 of frequency multiplication multiple, and can calculate instantaneous delivery, integrated flow and by the error of school water meter, send LCD display module 1-5 to show by data bus according to the pulse signal that receives; Described manual ball valve 6 is flow values of setting each test traffic point for the operator, makes uninterrupted meet the requirement of water meter calibration rules; Whether described spinner-type flowmeter 7 is used for showing the actual instantaneous delivery under the current test mode, and can be used for instantaneous delivery value that operator and embedded controller 1 calculate demonstration and compare the criterion water meter and occur unusually; Described color mark sensor 2 is used for changing into the full sized pules electric signal with standard water meter 3 with by the mechanical rotation signal of school water meter 8; Described standard water meter 3 is be used to exporting reference signal under the current test mode, carries out instantaneous delivery, integrated flow and by the calculating of school water meter error for embedded controller 1.
Wherein, program control frequency multiplication implementation is described in detail as follows:
Signal frequency multiplication has in Electronic Design widely to be used, and when analytic signal is periodic signal, obtains several complete periodic signals by the monocycle sampling analysis, so just can use minimum sampling period data to obtain accurate data results.At water meter error testing Plays water meter 3 and every by color mark sensor 2 collection one-period signals by school water meter 8 cutaneous acupunctures, embody the fixed volume that current water flows through water meter with regard to corresponding standard water meter 3 or by school water meter 8, this periodic signal just represents standard water meter 3 or by the minimum resolution of school water meter 8, if after this periodic signal process N frequency multiplication doubly, the one-period signal will be exported N phase isopulse, so this moment standard water meter 3 and will be improved N doubly by the resolution of school water meter 8, the time of therefore in actual water meter error testing process, using frequency-doubling method to obtain Accuracy Error be frequency multiplication before T/N times.
The circuit structure of times frequency module 1-2 as shown in Figure 3 in this device, times frequency module is comprised of period measurement module 1-2-1 and numerical frequency synthesis module 1-2-2, its principle of work is to realize the single cycle of current demand signal is measured by the period measurement module, and going out the frequency of output signal according to the frequency multiplication multiple command calculations that main control module 1-1 sends, recycling numerical frequency synthesis module produces the needed frequency-doubled signal of output.
Claims (3)
1. water meter full flow point device for fast detecting is characterized in that: comprise embedded controller and detection system,
Described detection system comprises water inlet pipe and rising pipe, standard water meter is installed successively and by the school water meter on the pipeline between water inlet pipe and the rising pipe, be equipped with respectively for the color mark sensor that water meter cutaneous acupuncture turn signal is converted into pulse signal at standard water meter with above by the school water meter, be equipped with at the water inlet pipe place and can control the solenoid valve I that opens or closes the calibration water source, the solenoid valve II that realizes flow point switching is housed at the rising pipe place;
Described embedded controller comprises times frequency module that the pulse of color mark sensor input can be carried out frequency multiplication, can realize flow point control module, the Keysheet module that can receive operating personnel's input parameter and instruction that each flow point automaticallyes switch, can show the LCD display module of current detecting information and can process and receive and dispatch instruction and by the main control module of school water meter error calculating, flow point control module is joined by control line and solenoid valve I and solenoid valve II.
2. water meter full flow point device for fast detecting according to claim 1 is characterized in that: also be separately installed with manual ball valve and spinner-type flowmeter in the rear and front end of solenoid valve II and be used for the uninterrupted that operating personnel arrange each flow point.
3. water meter full flow point device for fast detecting according to claim 1, it is characterized in that: described times of frequency module receives standard water meter and by the output pulse of the color mark sensor on the water meter of school, the pulse precision that the pulse precision of exporting after process of frequency multiplication is inputted is integral multiple and improves.
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| CN2012104714069A CN102967348A (en) | 2012-11-20 | 2012-11-20 | Full-flow-point rapid detection device for water meter |
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| CN2012104714069A CN102967348A (en) | 2012-11-20 | 2012-11-20 | Full-flow-point rapid detection device for water meter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759793A (en) * | 2013-12-31 | 2014-04-30 | 广西玉柴机器股份有限公司 | Calibration device and method for gas flow meter |
| CN104019871A (en) * | 2014-06-10 | 2014-09-03 | 宁波水表股份有限公司 | Household watermeter on-site calibration instrument and calibration method thereof |
| CN106643988A (en) * | 2016-11-11 | 2017-05-10 | 杭州水表有限公司 | Dielectric strength tester of full-automatic parallel water meter |
| CN110736524A (en) * | 2019-11-11 | 2020-01-31 | 福州德亿电子科技有限公司 | High-precision quick calibration device and method for electronic water meters |
| CN111060342A (en) * | 2019-12-30 | 2020-04-24 | 3M材料技术（广州）有限公司 | System and method for calibrating a functional module of a water treatment device |
| CN112345042A (en) * | 2020-10-29 | 2021-02-09 | 湖南常德牌水表制造有限公司 | Full-automatic multifunctional water meter calibrating device and calibrating method |
| CN112985547A (en) * | 2021-02-25 | 2021-06-18 | 广州能源检测研究院 | Automatic diaphragm gas meter verification system based on color code sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759793A (en) * | 2013-12-31 | 2014-04-30 | 广西玉柴机器股份有限公司 | Calibration device and method for gas flow meter |
| CN104019871A (en) * | 2014-06-10 | 2014-09-03 | 宁波水表股份有限公司 | Household watermeter on-site calibration instrument and calibration method thereof |
| CN106643988A (en) * | 2016-11-11 | 2017-05-10 | 杭州水表有限公司 | Dielectric strength tester of full-automatic parallel water meter |
| CN110736524A (en) * | 2019-11-11 | 2020-01-31 | 福州德亿电子科技有限公司 | High-precision quick calibration device and method for electronic water meters |
| CN111060342A (en) * | 2019-12-30 | 2020-04-24 | 3M材料技术（广州）有限公司 | System and method for calibrating a functional module of a water treatment device |
| CN111060342B (en) * | 2019-12-30 | 2022-06-17 | 3M材料技术（广州）有限公司 | System and method for calibrating a functional module of a water treatment device |
| CN112345042A (en) * | 2020-10-29 | 2021-02-09 | 湖南常德牌水表制造有限公司 | Full-automatic multifunctional water meter calibrating device and calibrating method |
| CN112985547A (en) * | 2021-02-25 | 2021-06-18 | 广州能源检测研究院 | Automatic diaphragm gas meter verification system based on color code sensor |
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Application publication date: 20130313 |