CN102607662A - Laser counting method and laser counting system of wheel type metering instrument - Google Patents
Laser counting method and laser counting system of wheel type metering instrument Download PDFInfo
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- CN102607662A CN102607662A CN2012100697702A CN201210069770A CN102607662A CN 102607662 A CN102607662 A CN 102607662A CN 2012100697702 A CN2012100697702 A CN 2012100697702A CN 201210069770 A CN201210069770 A CN 201210069770A CN 102607662 A CN102607662 A CN 102607662A
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Abstract
The invention discloses a laser counting system of a wheel type metering instrument, which comprises a laser emitting device and a laser receiving and converting device, wherein the laser emitting device and the laser receiving and converting device are mounted on the front side of the wheel type metering instrument. The laser receiving and converting device is connected with a signal processing device, the laser emitting device is used for emitting laser beam to a wheel toothed groove or an instrument bottom plate and a scale turnplate of the wheel type metering instrument, the laser receiving and converting device is used for receiving laser pulse reflected by the wheel toothed groove or the instrument bottom plate and the scale turnplate and converting the laser pulse into electric pulse signals, and the signal processing device is used for counting and computing the wheel type metering instrument according to the electric pulse signals transmitted by the laser receiving and converting device. On the premise of keeping the original structure of the instrument unchanged, metering accuracy is improved, operation cost is reduced, and the requirements of operations of error checking and remote meter reading and the like of the wheel type metering instrument are met.
Description
Technical field
The present invention relates to a kind of laser method of counting and system of wheeled measuring instrument; The laser of the wheeled measuring instrument of water meter, natural gas table, gas meter, ammeter and other similar principle of work counting for example is with the needs of operations such as satisfying that error checking, long-distance metering are checked meter.
Background technology
In the prior art, wheeled measuring instrument must carry out error checking before dispatching from the factory, and with the qualified metering instrument error guaranteeing to dispatch from the factory in allowed limits, the method for calibration that adopts at present mainly contains desk checking and camera shooting type verification dual mode.As shown in Figure 1, be the verification principle schematic of water meter.With reference to accompanying drawing, water meter to be verified and standard water meter are serially connected, level is installed on the testing table; Nominal flow rate with standard discharges water from pressurizing vessel, gets rid of the air in water meter and the rising pipe, and makes indicator of water gauge aim at zero line or a certain scale mark after making indicator of water gauge smooth rotation a period of time, and water is put into a certain scale; Handling variable valve makes water pass through water meter by the regulation flow; Inject work measuring instrument;, indicator of water gauge cuts off the water supply when arriving the calibration of predesignating; Treat that water level in the work measuring instrument carries out reading after static, with the water yield that water meter write down and the actual amount of water in the standard water meter relatively, record data are to judge whether to exist error then.
In the process of above-mentioned water meter verification, the desk checking mode reads the water meter scale of measuring beginning and finishing when by the verification personnel, compares discharge and standard watermeter flowing rate then, and judges according to error amount whether water meter is qualified; Adopt the desk checking mode, it has complex operation, defective that labour intensity is big, in checking procedure, has subjective error, and the verification inefficiency etc.In order to improve the efficient of verification, the camera shooting type water meter verification of using is at present installed picture pick-up device meter reading to be verified is taken, and reads meter reading through image processing techniques, compares through software engineering and draws check results; Above-mentioned camera shooting type verification, owing to adopt image processing techniques, the device systems transmission requirement is higher, image transitions and identification software are complicated and cost an arm and a leg, photographic images is subject to disturb, cause deficiency such as error easily.
In the remote meter reading operation of wheeled measuring instruments such as water meter, adopt tongue tube and magnet, photoelectric conversion technique to check meter usually, need to change the structure of water meter, it makes complicated.Perhaps check meter in the process, have above-mentioned technological deficiency equally through the shooting formula.
It is thus clear that; In operating process such as the error checking of wheeled measuring instrument, remote meter reading, how a kind of counting technology of wheeled measuring instrument is provided, on the basis that does not change original instrument structure; Avoid the defective that artificial subjective error, counting efficiency are lower, cost is higher that in counting operation, exists; With the accuracy of raising counting, and reduce running cost, become the technical matters that those skilled in the art continue to solve.
Summary of the invention
Problem to the prior art existence; The objective of the invention is to propose a kind of laser method of counting and system of wheeled measuring instrument; On the basis that does not change original instrument structure, the counting that utilizes strong characteristics of good directionality, the antijamming capability of laser and reflection of light law to carry out wheeled measuring instrument has improved the accuracy of counting; Reduce running cost, satisfied the counting needs of the operations such as error checking, remote meter reading of wheeled measuring instrument.
For reaching this purpose, the present invention adopts following technical scheme:
A kind of laser number system of wheeled measuring instrument; Said laser number system comprises laser beam emitting device and laser pick-off and the conversion equipment that is installed in the positive appropriate location of wheeled measuring instrument; Laser pick-off is connected with signal processing apparatus with conversion equipment, wherein
Laser beam emitting device is used for to the runner teeth groove of wheeled measuring instrument or instrument panel, scale rotating disk emission of lasering beam;
Laser pick-off and conversion equipment are used to receive runner teeth groove or instrument panel, the laser light reflected pulse of scale rotating disk of wheeled measuring instrument and convert electric impulse signal to;
Signal processing apparatus is used for the electric impulse signal sent here according to the laser pick-off conversion equipment, so that this wheeled measuring instrument is counted and computing.
Preferably, said laser number system also comprises parameter input device, is connected with signal processing apparatus, is provided for the parameter of error checking.
Preferably, said laser number system also comprises the signal output interface that is connected with signal processing apparatus, is used for the remote meter reading of the current count value of this wheeled measuring instrument.
Preferably, said laser number system also comprises display device and/or warning device and/or the memory storage that is connected with signal processing apparatus.
Preferably; Laser pick-off and conversion equipment are installed in the primary importance on transparent medium surface, wheeled measuring instrument front; Be used to receive the laser pulse of runner teeth groove surface reflection; Perhaps, laser receiver is installed in the second place on transparent medium surface, wheeled measuring instrument front, is used to receive runner below instrument panel, the pulse of scale rotating disk laser light reflected between adjacent two teeth groove arbitrarily.
A kind of laser method of counting of wheeled measuring instrument comprises:
Laser beam emitting device is to the runner teeth groove of wheeled measuring instrument or instrument panel, scale rotating disk emission of lasering beam;
Laser pick-off and conversion equipment receive the laser pulse of wheeled measuring instrument runner teeth groove surface reflection, perhaps, receive runner below instrument panel, the pulse of scale rotating disk laser light reflected between adjacent two teeth groove arbitrarily; And convert laser pulse to electric impulse signal;
The electric impulse signal that signal processing apparatus is sent here according to laser pick-off and conversion equipment is counted and computing this wheeled measuring instrument.
Preferably, parameter input device is used for the parameter of error checking to signal processing apparatus input, to carry out the error checking before wheeled measuring instrument dispatches from the factory.
Preferably, parameter input device is used for the parameter of flow metering to signal processing apparatus input, to carry out the remote meter reading of usual flow metering.
Based on disclosing of above technical scheme, the present invention possesses following beneficial effect:
The laser method of counting and the system of a kind of wheeled measuring instrument that the present invention proposes have avoided the complex operation that the desk checking mode exists in the prior art, defective that labour intensity is big, in checking procedure, have subjective error, and defective such as verification inefficiency; Avoided that the device systems transmission requirement that the camera shooting type verification exists in the prior art is higher, image transitions and identification software are complicated and cost an arm and a leg, photographic images is subject to disturb, cause deficiency such as error easily; And the various technological deficiencies in remote meter reading when operation.
In the technical scheme that the present invention proposes; On the basis that does not change original instrument structure; The counting that utilizes strong characteristics of good directionality, the antijamming capability of laser and reflection of light law to carry out wheeled measuring instrument; Improve the accuracy of counting, reduced running cost, satisfied the counting needs of the operations such as error checking, remote meter reading of wheeled measuring instrument.
Description of drawings
Fig. 1 is the verification principle schematic of water meter in the prior art.
Fig. 2 is the structural representation of the laser number system of a kind of wheeled measuring instrument of the present invention's proposition.
Fig. 3 is the schematic flow sheet of the laser method of counting of a kind of wheeled measuring instrument of the present invention's proposition.
Fig. 4-1 and the fundamental diagram of 4-2 for runner reflecting type counting;
Fig. 5-1 and the fundamental diagram of 5-2 for runner light shading type counting.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and through embodiment:
The laser number system of a kind of wheeled measuring instrument that the present invention proposes; The counting that utilizes strong characteristics of good directionality, the antijamming capability of laser and reflection of light law to carry out wheeled measuring instrument is used for the wheeled measuring instrument of water meter, natural gas table, gas meter, ammeter and other similar principle of work is carried out operations such as error checking and remote meter reading.
Below, be that example is carried out detailed explanation to technical scheme of the present invention with the water meter.
As shown in Figure 2, the structural representation of the laser number system of a kind of wheeled measuring instrument that proposes for the present invention, the instrument panel that this wheeled measuring instrument has runner and is positioned at the runner below.When in water meter, having current to pass through, this runner can rotate, and with the discharge of reflection through water meter, therefore, the characteristics of utilizing laser-bounce principle, runner reflection discharge are to realize the present invention.
With reference to accompanying drawing; The laser number system of a kind of wheeled measuring instrument that the present invention proposes; Comprise laser beam emitting device, laser pick-off and conversion equipment and signal processing apparatus, laser beam emitting device and laser pick-off and conversion equipment are installed in the positive appropriate location of wheeled measuring instrument, and laser pick-off is connected with signal processing apparatus with conversion equipment; Wherein
Laser beam emitting device is used for to the runner teeth groove of wheeled measuring instrument or instrument panel, scale rotating disk emission of lasering beam;
Laser pick-off and conversion equipment are used to receive runner teeth groove or instrument panel, the pulse of rotating disk laser light reflected of wheeled measuring instrument and convert electric impulse signal to;
Signal processing apparatus is used for the electric impulse signal sent here according to the laser pick-off conversion equipment, so that this wheeled measuring instrument is counted and computing.
In the laser number system of wheeled measuring instrument, in order to satisfy the action need of error checking, can also comprise parameter input device, be connected with signal processing apparatus, be used to be provided with the counting error parameter of this wheeled measuring instrument.Like this, in the error checking operation, confirm error range according to predefined counting error parameter, the water meter that falls within this error range when counting error is defined as qualified water meter, otherwise is underproof water meter.
In the laser number system of wheeled measuring instrument; In order to satisfy the action need of remote meter reading; Can also comprise signal output interface, be connected, be used for after signal processing apparatus is accomplished the metering of water meter with signal processing apparatus; The current water yield count value of water meter is transmitted through signal output interface, to realize the operation of remote meter reading.
The laser number system of this wheeled measuring instrument also comprises can display device and/or warning device and/or memory storage, is connected with signal processing apparatus, to carry out corresponding demonstration and/or warning and/or memory function.
Based on the laser number system of above-mentioned wheeled measuring instrument, the present invention proposes a kind of laser method of counting of wheeled measuring instrument.
As shown in Figure 3, the schematic flow sheet of the laser method of counting of a kind of wheeled measuring instrument that the present invention proposes, this method comprises:
Step S301, laser beam emitting device is to the runner teeth groove of wheeled measuring instrument or instrument panel, scale rotating disk emission of lasering beam;
Step S302; Laser pick-off and conversion equipment receive wheeled measuring instrument the surface reflection of runner teeth groove laser pulse and convert laser pulse to electric impulse signal; Perhaps, receive runner below instrument panel between adjacent two teeth groove, the laser light reflected pulse of scale rotating disk and convert laser pulse to electric impulse signal arbitrarily;
Step S303, the electric impulse signal that signal processing apparatus is sent here according to the laser pick-off conversion equipment is to count and computing this wheeled measuring instrument.
In actual application, the process of the laser of above-mentioned wheeled measuring instrument counting, laser beam emitting device is to the runner emission of lasering beam of wheeled measuring instrument, and when this emission of lasering beam permeate water watch glass was radiated at the flank of tooth of runner tooth or rotating disk, the flank of tooth reflected; When being radiated at arbitrarily between adjacent two teeth the instrument panel of teeth groove below or scale rotating disk, instrument panel or scale rotating disk carry out laser-bounce.The path of carrying out laser-bounce according to both is different, through the installation site of laser pick-off and conversion equipment rationally is set, receives one of them laser light reflected pulse, thereby has two kinds of counting modes:
First kind is runner reflecting type counting, and laser pick-off and conversion equipment are installed in the primary importance above the wheeled measuring instrument, can receive the flank of tooth laser light reflected bundle of runner tooth or rotating disk;
Second kind is runner light shading type counting, and laser receiver is installed in the second place of wheeled measuring instrument top, can receive the instrument panel or the scale rotating disk laser light reflected bundle of teeth groove below between adjacent two teeth arbitrarily.
With shown in the 4-2, be the fundamental diagram of runner reflecting type counting like Fig. 4-1; With shown in the 5-2, be the fundamental diagram of runner light shading type counting like Fig. 5-1.
With reference to accompanying drawing 4-1 and 4-2; Laser beam emitting device is to the runner emission of lasering beam of wheeled measuring instrument; This emission of lasering beam permeate water watch glass is radiated on the runner teeth groove, the flank of tooth of runner reflect or arbitrarily between adjacent two teeth teeth groove below base plate reflect, the primary importance that laser pick-off and conversion equipment are installed in above the wheeled measuring instrument can receive runner flank of tooth laser light reflected bundle; And runner below instrument panel laser light reflected Shu Buneng is received; The flank of tooth reflected laser pulse signal when runner rotated under the driving of current, and this pulse signal has been represented flow signal, and converts laser pulse signal to electric impulse signal; The electric laser pulse that signal processing apparatus is sent here according to laser pick-off and conversion equipment is counted and computing this wheeled measuring instrument.
With reference to accompanying drawing 5-1 and 5-2; Laser beam emitting device is to the runner emission of lasering beam of wheeled measuring instrument; This emission of lasering beam permeate water watch glass is radiated on the runner teeth groove; The flank of tooth of runner reflect or arbitrarily between adjacent two teeth teeth groove below base plate reflect; The second place that laser pick-off and conversion equipment are installed in wheeled measuring instrument top can receive runner teeth groove below instrument panel laser light reflected bundle between adjacent two teeth arbitrarily, and runner flank of tooth laser light reflected Shu Buneng is received; Base plate reflected laser pulse signal when runner rotated under the driving of current, and this pulse signal has been represented flow signal, and converts laser pulse signal to electric impulse signal; The electric laser pulse that signal processing apparatus is sent here according to laser pick-off and conversion equipment is counted and computing this wheeled measuring instrument.
The laser method of counting and the system of a kind of wheeled measuring instrument that the present invention proposes have avoided the complex operation that the desk checking mode exists in the prior art, defective that labour intensity is big, in checking procedure, have subjective error, and defective such as verification inefficiency; Avoided that the device systems transmission requirement that the camera shooting type verification exists in the prior art is higher, image transitions and identification software are complicated and cost an arm and a leg, photographic images is subject to disturb, cause deficiency such as error easily; And the various technological deficiencies in remote meter reading when operation.In the technical scheme that the present invention proposes; On the basis that does not change original instrument structure; The counting that utilizes strong characteristics of good directionality, the antijamming capability of laser and reflection of light law to carry out wheeled measuring instrument; Improve the accuracy of counting, reduced running cost, satisfied counting and the computing needs of the operations such as error checking, remote meter reading of wheeled measuring instrument.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obvious realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the method design of invention and the various improvement that technical scheme is carried out; Or directly apply to other occasion without improving the design that will invent and technical scheme, all in protection scope of the present invention.
Claims (7)
1. the laser number system of a wheeled measuring instrument; It is characterized in that said laser number system comprises laser beam emitting device and laser pick-off and the conversion equipment that is installed in the positive appropriate location of wheeled measuring instrument, laser pick-off is connected with signal processing apparatus with conversion equipment; Wherein
Laser beam emitting device is used for to the runner teeth groove of wheeled measuring instrument or instrument panel, scale rotating disk emission of lasering beam;
Laser pick-off and conversion equipment are used to receive runner teeth groove or instrument panel, the laser light reflected pulse of scale rotating disk of wheeled measuring instrument and convert electric impulse signal to;
Signal processing apparatus is used for the electric impulse signal sent here according to the laser pick-off conversion equipment, so that this wheeled measuring instrument is counted and computing.
2. the laser number system of wheeled measuring instrument as claimed in claim 1 is characterized in that, said laser number system also comprises parameter input device, is connected with signal processing apparatus, is provided for the parameter of error checking.
3. the laser number system of wheeled measuring instrument as claimed in claim 1 is characterized in that, said laser number system also comprises the signal output interface that is connected with signal processing apparatus, is used for the remote meter reading of the current count value of this wheeled measuring instrument.
4. the laser number system of wheeled measuring instrument as claimed in claim 1 is characterized in that, said laser number system also comprises display device and/or warning device and/or the memory storage that is connected with signal processing apparatus.
5. like the laser number system of each described wheeled measuring instrument of claim 1-4; It is characterized in that; Laser pick-off and conversion equipment are installed in the primary importance on transparent medium surface, wheeled measuring instrument front, are used to receive the laser pulse of runner teeth groove surface reflection, perhaps; Laser receiver is installed in the second place on transparent medium surface, wheeled measuring instrument front, is used to receive runner below instrument panel, the pulse of scale rotating disk laser light reflected between adjacent two teeth groove arbitrarily.
6. the laser method of counting of a wheeled measuring instrument is characterized in that, comprising:
Laser beam emitting device is to the runner teeth groove of wheeled measuring instrument or instrument panel, scale rotating disk emission of lasering beam;
Laser pick-off and conversion equipment receive the laser pulse of wheeled measuring instrument runner teeth groove surface reflection, perhaps, receive runner below instrument panel, the pulse of scale rotating disk laser light reflected between adjacent two teeth groove arbitrarily; And convert laser pulse to electric impulse signal;
The electric impulse signal that signal processing apparatus is sent here according to laser pick-off and conversion equipment is counted and computing this wheeled measuring instrument.
7. the laser method of counting of wheeled measuring instrument as claimed in claim 6 is characterized in that, parameter input device is used for the parameter of error checking to signal processing apparatus input, to carry out the error checking before wheeled measuring instrument dispatches from the factory.
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| CN2012100697702A CN102607662A (en) | 2012-03-16 | 2012-03-16 | Laser counting method and laser counting system of wheel type metering instrument |
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| CN2012100697702A CN102607662A (en) | 2012-03-16 | 2012-03-16 | Laser counting method and laser counting system of wheel type metering instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103196511A (en) * | 2013-04-22 | 2013-07-10 | 哈尔滨惠恩科技开发有限公司 | Water flowing and water quantity monitoring method and water flowing and water quantity monitoring 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 |
| CN103196511B (en) * | 2013-04-22 | 2016-11-30 | 哈尔滨惠恩科技开发有限公司 | A kind of water flowing and water quantity monitoring method and device |
| CN107449481A (en) * | 2017-09-28 | 2017-12-08 | 芜湖职业技术学院 | Water meter checking device |
| CN107764375A (en) * | 2017-12-07 | 2018-03-06 | 成都秦川物联网科技股份有限公司 | Gas meter, flow meter error of indication calibrating installation |
| CN110095139A (en) * | 2019-05-29 | 2019-08-06 | 南京工程学院 | A kind of device and its application method for the long-range charging of natural gas |
| CN111060175A (en) * | 2019-05-14 | 2020-04-24 | 南京工程学院 | Natural gas remote charging device and using method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103196511A (en) * | 2013-04-22 | 2013-07-10 | 哈尔滨惠恩科技开发有限公司 | Water flowing and water quantity monitoring method and water flowing and water quantity monitoring device |
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| 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 |
| CN106153158B (en) * | 2016-06-20 | 2018-12-28 | 浙江大学城市学院 | The detection method and device of diaphragm gas meter gyration period based on Image Acquisition |
| CN107449481A (en) * | 2017-09-28 | 2017-12-08 | 芜湖职业技术学院 | Water meter checking device |
| CN107764375A (en) * | 2017-12-07 | 2018-03-06 | 成都秦川物联网科技股份有限公司 | Gas meter, flow meter error of indication calibrating installation |
| CN107764375B (en) * | 2017-12-07 | 2023-08-25 | 成都秦川物联网科技股份有限公司 | Gas meter indication error calibrating device |
| CN111060175A (en) * | 2019-05-14 | 2020-04-24 | 南京工程学院 | Natural gas remote charging device and using method thereof |
| CN111060175B (en) * | 2019-05-14 | 2021-03-16 | 南京工程学院 | Natural gas remote charging device and using method thereof |
| CN110095139A (en) * | 2019-05-29 | 2019-08-06 | 南京工程学院 | A kind of device and its application method for the long-range charging of natural gas |
| CN110095139B (en) * | 2019-05-29 | 2021-06-11 | 南京工程学院 | Device for remote charging of natural gas and use method thereof |
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Application publication date: 20120725 |