CN203337231U - Two-station fully-automatic composite water meter verification device based on image recognition - Google Patents
Two-station fully-automatic composite water meter verification device based on image recognition Download PDFInfo
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- CN203337231U CN203337231U CN2012206972662U CN201220697266U CN203337231U CN 203337231 U CN203337231 U CN 203337231U CN 2012206972662 U CN2012206972662 U CN 2012206972662U CN 201220697266 U CN201220697266 U CN 201220697266U CN 203337231 U CN203337231 U CN 203337231U
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Abstract
The utility model relates to a water meter verification device, and discloses a two-station fully-automatic composite water meter verification device based on image recognition. A water supply system, a standard meter system and a detected pipeline part are sequentially connected. The standard meter system comprises a flow meter and a pipeline of the flow meter, and the front end and the tail end of the pipeline are respectively provided with a ball valve. A pipeline of the detected pipeline part is arranged on the upper portions of six concentric round rotary discs with the same diameter. A video meter reading device shoots the detected pipeline part and comprises a camera and a video collecting and video switching device. Electric control and signal control of a system are completed by means of an electric control and automatic control system. Two stations are verified at the same time by means of video image recognition, synchronism of reading and accuracy of measuring are achieved, and water meter verification efficiency is improved.
Description
Technical field
The utility model relates to apparatus for calibrating water meter, more particularly a kind of full-automatic compound water metre calibrating installation of two epi-positions based on image recognition.
Background technology
At present, the standard set-up of calibrating compound water metre forms through transformation by the device of former calibrating spiral type cold-water meter, and the structural principle of compound water metre and helical vane type water meter is different, compound water metre is divided into main water meter and secondary water meter, the flow that master meter passes through is large, the flow that subtabulation passes through is little, when flow is large, pass through flow conversion valve, most of water yield is flow through by master meter, when flow hour, master meter passes through without the water yield, all by subtabulation, passed through and measure, compound water metre need to read in nominal flow rate and boundary flow verification the indicating value that main water meter and secondary water meter are passed by the indicator of water gauge High Rotation Speed, so not only need two people's readings but also two human world readings because individual difference reading is asynchronous, there are two problems in this mode, the one, reading accuracy can't guarantee, the 2nd, because the device of former calibrating spiral type cold-water meter is single epi-position calibrating, so inefficiency.
According to domestic and international existing technical information, in order to solve the accuracy rate of reading, reduce error, a kind of compound water metre measuring error calibration method based on three Time Methods has been proposed, set up the data model of three Time Methods, by the setting of correlation parameter, designed the measurement mechanism of three Time Methods, refer to list of references: Zhao Jianliang, Hu Dixin. the research of compound water metre calibration method, Zhejiang Polytechnical University's journal, 2010.10,38 (5): 580-582.This method is due to the water meter indicating value has been carried out to the integer reading, the uncertainty that meter reading can be introduced is reduced to ignores, improve calibrating efficiency, after having introduced time parameter, solved in the measurement verification problem that can not meet under the synchronous measurement condition, solved the calibrating difficult problem of compound water metre measuring error, improved the accuracy rate of reading, but efficiency does not still solve.
To sum up investigation is found, compound water metre calibrating installation both domestic and external is commonly single epi-position calibrating, and the problem of ubiquity inefficiency, cause examining and determine cost higher.
The utility model content
1, the purpose of this utility model.
For the synchronism that solves reading and the accuracy of measurement simultaneously, improve calibrating efficiency, the synchronism problem that a kind of method based on image recognition solves reading is proposed, the method that adopts two epi-positions simultaneously to examine and determine improves calibrating efficiency.
2, the technical scheme that the utility model adopts
The full-automatic compound water metre calibrating installation of two epi-positions based on image recognition, water system, standard scale system, detected pipe section are connected successively; The standard scale system is comprised of flowmeter and pipeline thereof, pipeline front end and tail end mounting ball valve, the pipeline of tested pipe section is arranged on above the circular concentric rotating disk that six diameters are identical, the video Meter Reading Device is taken detected pipe section, comprise video camera and video acquisition video switching device, the electric and signal controlling of system is completed by electrical control and automatic control system.
Water system comprises that 3 pumps and 2 buffer tanks form, and 3 pumps are respectively 45 kW one pole vertical-type pumps, and flow is 550m
3/ h; The 22kW submersible pump, flow is 110m
3/ h; 3.7kW submersible pump, flow is 18m
3/ h; 2 buffer tanks are respectively 4 m
3with 2 m
3, by diameter, be the 150mm pipeline communication.
The standard scale system is 5 electromagnetic flowmeters, is respectively DN200, DN80, DN40, DN15, DN5, and the ball valve pipeline front end of pipeline front end is installed pneumatic ball valve, and tail end is installed V-type and regulated ball valve.
Tested table pipe section adopts stainless steel material, and it is above 1000mm circular concentric rotating disk that pipeline is arranged on six diameters, front straight length 20D, and rear straight length 10D, this rotating disk is arranged on a sliding rail rack.
The video Meter Reading Device supports that by six H.264 the CCD 420 line rifle formula video cameras of form form, and comprises by computer camera protective cover, camera bracket and two four-way video frequency collection cards, a set of video switching device and hard disc of computer video recorders.
Electrical control and automatic control system comprise PLC and host computer.
3, the beneficial effects of the utility model.
The utility model proposes a kind of full-automatic compound water metre calibrating installation of two epi-positions based on image recognition, examine and determine by two epi-positions of video capture image recognition simultaneously, solve the synchronism of reading and the accuracy of measurement, and improved the efficiency of water meter calibration.
The accompanying drawing explanation
Fig. 1 is the full-automatic compound water metre calibrating installation of the two epi-positions structural representation based on image recognition.
Embodiment
Embodiment
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail.
Referring to Fig. 1, by water system, from pool water-pumping to the standard scale system, current arrive tested table pipe section through standard scale, and tested table is had good luck, and tested table video reading device carries out reading to tested table, and the current tested table of finally flowing through arrives the pond water outlet.Electric and the signal controlling of whole device is realized by electrical control and automatic control system.
This device mainly is comprised of following five systems.
1, water system: mainly by 3 pumps and 2 buffer tanks, formed, 45kW one pole vertical-type pump wherein, flow is 550m
3/ h; The 22kW submersible pump, flow is 110m
3/ h; 3.7kW submersible pump, flow is 18m
3/ h; 2 buffer tanks are respectively 4 m
3with 2 m
3, two tanks are the 150mm pipeline communication by diameter.
2, standard scale system: DN200, DN80, DN40, DN15, five standard scales of DN5 and pipeline thereof, consist of, before and after standard scale, straight length meets installation requirement, and the pipeline front end is installed pneumatic ball valve, and tail end is installed V-type and regulated ball valve, to realize flow, automatically regulates.
3, tested table pipe section: detected pipeline adopts stainless steel material, adopt rotary replace tubes mode, it is above 1000mm circular concentric rotating disk that the pipeline unification is arranged on six diameters, front straight length 20D, rear straight length 10D, and it is arranged on a sliding rail rack, can 360 degree circular motion and horizontal slips.
4, tested matrix section video Meter Reading Device: the video Meter Reading Device is supported the H.264 CCD 420 line rifle formula video cameras of form by six, containing computer camera protective cover, camera bracket and two four-way video frequency collection cards, a set of video switching device and compositions of hard disc of computer video recorder.
5, electrical control and automatic control system: this control system adopts computing machine+on-the-spot touch-screen+conventional control mode, the control mode of using PLC to combine with host computer.
The utility model adopts the method for standard table water flow standard apparatus, 5 high-accuracy electromagnetic flowmeters are as flow measurement standard indicating value, measure temperature value by the standard temperature platinum resistance, adopt crystal oscillator Measuring Time value, record the initial and final reading of water meter with the high speed camera system, computing formula according to the rules regulation is calculated, adopt two cover high speed camera systems to the compound water metre reading of being taken pictures, two epi-positions by the video capture image recognition are examined and determine simultaneously, solve the synchronism of reading and the accuracy of measurement, and improved calibrating efficiency.
Above-described embodiment limits the utility model never in any form, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection domain of the present utility model.
Claims (6)
1. the full-automatic compound water metre calibrating installation of two epi-positions based on image recognition is characterized in that: water system, standard scale system, detected pipe section are connected successively; Described water system is comprised of water pump and buffer tank, described standard scale system is comprised of proving flowmeter and pipeline thereof, pipeline front end and tail end mounting ball valve, the pipeline of described tested pipe section is arranged on above the circular concentric rotating disk that six diameters are identical, the video Meter Reading Device is taken detected pipe section, comprise video camera and video acquisition video switching device, the electric and signal controlling of system is completed by electrical control and automatic control system.
2. the full-automatic compound water metre calibrating installation of two epi-positions based on image recognition according to claim 1 is characterized in that: water system comprises that 3 pumps and 2 buffer tanks form, and 3 pumps are respectively 45 kW one pole vertical-type pumps, and flow is 550m
3/ h; The 22kW submersible pump, flow is 110m
3/ h; 3.7kW submersible pump, flow is 18m
3/ h; 2 buffer tanks are respectively 4 m
3with 2 m
3, by diameter, be the 150mm pipeline communication.
3. the full-automatic compound water metre calibrating installation of two epi-positions based on image recognition according to claim 1 and 2, it is characterized in that: the standard scale system is 5 electromagnetic flowmeters, be respectively DN200, DN80, DN40, DN15, DN5, the ball valve pipeline front end of pipeline front end is installed pneumatic ball valve, and tail end is installed V-type and regulated ball valve.
4. the full-automatic compound water metre calibrating installation of two epi-positions based on image recognition according to claim 1, it is characterized in that: tested table pipe section adopts stainless steel material, it is above 1000mm circular concentric rotating disk that pipeline is arranged on six diameters, front straight length 20D, rear straight length 10D, this rotating disk is arranged on a sliding rail rack.
5. the full-automatic compound water metre calibrating installation of two epi-positions based on image recognition according to claim 1; it is characterized in that: the video Meter Reading Device supports that by six H.264 the CCD 420 line rifle formula video cameras of form form, and comprises by computer camera protective cover, camera bracket and two four-way video frequency collection cards, a set of video switching device and hard disc of computer video recorders.
6. the full-automatic compound water metre calibrating installation of two epi-positions based on image recognition according to claim 1, it is characterized in that: electrical control and automatic control system comprise PLC and host computer.
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CN2012206972662U CN203337231U (en) | 2012-12-17 | 2012-12-17 | Two-station fully-automatic composite water meter verification device based on image recognition |
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CN2012206972662U CN203337231U (en) | 2012-12-17 | 2012-12-17 | Two-station fully-automatic composite water meter verification device based on image recognition |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103712669A (en) * | 2014-01-16 | 2014-04-09 | 中国人民解放军海军航空工程学院 | Flow gauge online calibration device |
CN106153158A (en) * | 2016-06-20 | 2016-11-23 | 浙江大学城市学院 | The detection method of diaphragm gas meter of based on image acquisition gyration period and device |
CN106568492A (en) * | 2016-11-03 | 2017-04-19 | 江苏金钰铭电子有限公司 | Water meter verification and examination method |
CN106706083A (en) * | 2016-12-23 | 2017-05-24 | 中山市优胜电子科技有限公司 | Water flow sensor performance test bed system |
CN107389159A (en) * | 2017-08-07 | 2017-11-24 | 济南三宇仪表设备有限公司 | A kind of method of rotary water meter detector and its air-discharging |
-
2012
- 2012-12-17 CN CN2012206972662U patent/CN203337231U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103712669A (en) * | 2014-01-16 | 2014-04-09 | 中国人民解放军海军航空工程学院 | Flow gauge online calibration device |
CN106153158A (en) * | 2016-06-20 | 2016-11-23 | 浙江大学城市学院 | The detection method of diaphragm gas meter of based on image acquisition gyration period and device |
CN106568492A (en) * | 2016-11-03 | 2017-04-19 | 江苏金钰铭电子有限公司 | Water meter verification and examination method |
CN106706083A (en) * | 2016-12-23 | 2017-05-24 | 中山市优胜电子科技有限公司 | Water flow sensor performance test bed system |
CN107389159A (en) * | 2017-08-07 | 2017-11-24 | 济南三宇仪表设备有限公司 | A kind of method of rotary water meter detector and its air-discharging |
CN107389159B (en) * | 2017-08-07 | 2023-10-17 | 山东三宇智能装备有限公司 | Rotary water meter detector and air exhausting method thereof |
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GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131211 |