CN104048723A - Separation non-magnetic type remote water meter with sampling on large pointer - Google Patents
Separation non-magnetic type remote water meter with sampling on large pointer Download PDFInfo
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- CN104048723A CN104048723A CN201410306933.3A CN201410306933A CN104048723A CN 104048723 A CN104048723 A CN 104048723A CN 201410306933 A CN201410306933 A CN 201410306933A CN 104048723 A CN104048723 A CN 104048723A
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Abstract
The invention relates to a separation non-magnetic type remote water meter with sampling on a large pointer. The separation non-magnetic type remote water meter with sampling on the large pointer comprises a water meter body, the upper portion of the water meter body is provided with a signal collecting and transmitting device, one side, close to a dial, of the signal collecting and transmitting device is provided with an arc groove, the edge of the arc groove is provided with a protective cover covering the dial of the water meter, the dial is internally provided with the monitoring pointer, a rotating shaft is arranged at the circle center of the dial, the root of the rotating shaft is provided with a metal conductor, the signal collecting and transmitting device is provided with a collecting sensor, and scales are arranged on the circumference of the dial. The signal collecting and transmitting device further comprises a processing unit, a communication unit, a storage unit and a power unit. Compared with the prior art, the signal collecting and transmitting device is separated from the water meter body, circuit components can be replaced according to actual conditions, and waste of materials is avoided. The water volume can be measured by measuring the damped oscillation time, and possibility of interference is greatly reduced; the large pointer serves as the monitoring pointer and is low in rotating speed, so that monitoring is accurate.
Description
Technical field
The present invention relates to a kind of measurement instrument, definite says, is a kind of water meter of remote transmission meter reading.
Background technology
Water meter, as a kind of measurement instrument, is that the integrated flow of water is measured mostly.Generally be divided into volumetric water meter and velocity type water meter two classes, adopt the direct mechanical motion process of removable wall volumetric measurement chamber or flow rate of water flow to the work of wing wheel in order to calculate the flowmeter of the current volume of the water supply pipe of flowing through, existing water meter is the inlet end that waterworks is arranged on each user's doorway, house, traditional water meter needs staff's observed and recorded one by one, so extremely loses time; In order to address the above problem, collecting unit, short-range communication unit and related signal processing unit are set in water meter, the reading of water meter is sent on staff's handheld terminal, so, staff just can mass obtains meter reading.The mode of present employing is to add small magnet on the pointer of original old-fashioned water meter, and in water meter inside, add a magneto-dependent sensor and outside collecting circuit board, by wire, sensor and outside collecting circuit board are connected, it reaches the object of water measurement amount by detecting the number of turns of pointer rotation.This water meter is because foregoing circuit element is arranged on water meter inside, and it need to make certain water-proofing treatment, increase undoubtedly the quotation of water meter; And circuit board section and Sensor section are consumable accessory, during maintenance, need to open whole water meter places under repair, even need water meter to change completely, so wasting manpower and material resources, two have also wasted material, and its signal transmission is by magnetic field, so just have situation about may be disturbed by external magnetic field, at this moment sensor all can detect constant magnetic signal, and sensor just cannot be counted; Moreover if current are excessive, pointer faster rotational speed, there will be undetected situation, causes measuring error.
Summary of the invention
Goal of the invention: the object of this invention is to provide be a kind ofly convenient to safeguard, use manpower and material resources sparingly, water meter that error is little.
Technical scheme: the present invention adopts following technical scheme to realize: the separated magnetism-free type remote transmitting water meter of a kind of large pointer up-sampling, comprise water meter body, in water meter top signalization, gather conveyer, at signals collecting conveyer, near a side of dial plate, arc groove is set, arc groove edge arranges the over cap that covers water meter dial plate, monitoring pointer is set in dial plate, the length of monitoring pointer is slightly less than the diameter of dial plate, its rotation axis is arranged on the center of circle of dial plate, its root arranges metallic conductor, on signals collecting conveyer, pick-up transducers is set, sensor utilizes two telefaults and two two LC free harmonic vibration damped vibraions that capacitor forms, and timing gives oscillator pulses pumping signal, when pointer rotates, conductor is near inductance, damped oscillation amplitude decays rapidly.
On dial plate circumference, scale is set.
The dismountable side that is fixed on water meter body top of described signals collecting conveyer, described fixed form is that trip connects or bolt connects.
The processing unit of judgement uninterrupted is set in signals collecting conveyer, and processing unit connects pick-up transducers and detects damped oscillation attenuation in pick-up transducers and measure the number of turns that pointer rotates, and described processing unit is single-chip microcomputer.
In described signals collecting conveyer, communication unit is set, communication unit is M_BUS or RS485 telecommunication circuit, and communication unit is subject to Single-chip Controlling.
On single-chip microcomputer, connect storage unit, single-chip microcomputer is processed the signal receiving after coding, sends into after storage unit is kept in and sends.
On signals collecting conveyer, power supply unit is set, power supply unit is single-chip microcomputer, communication unit and sensor power supply.
Beneficial effect: the present invention compared with prior art, it departs from the setting of water meter body by signals collecting conveyer, easy to maintenance, and can to circuit component, change according to actual conditions, time and manpower is saved for it, avoided the waste of material, and the present invention measures current volume and realizes by measuring the damped oscillation time, and what it was interfered may reduce greatly, and use large pointer as monitoring pointer, its rotating speed is slower, and monitoring accurately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is signals collecting conveyer circuit diagram.
Fig. 3 is LC free harmonic vibration damped vibraion schematic diagram.
Embodiment
Below in conjunction with instructions, the present invention is described in further detail:
The present invention relates to a kind of novel remote transmitting water meter, comprise water meter body 1, a monitoring pointer 4 is set in the dial plate of water meter body 1, the length of monitoring pointer 4 is slightly less than the diameter of dial plate, its rotation axis is arranged on the center of circle of dial plate, its root arranges metallic conductor, along with monitoring pointer 4 rotates, metallic conductor also rotates thereupon, when the object that larger monitoring pointer 4 is set is that the discharge in water meter is larger, the rotating speed of pointer can be controlled, so just there will not be monitoring to leak the phenomenon of circle, guaranteed the monitoring accuracy of water meter.Top at water meter body 1, be provided with signals collecting conveyer 2, specifically, signals collecting conveyer 2 is arranged on a side on water meter top, its some cover dial plate top and according to the shape of dial plate, one arc-shaped recess be set, at the arc-shaped recess place on movement locus top that is provided with the pointer of magnet, be provided with pick-up transducers 3, sensor is the LC free harmonic vibration damped vibraion that utilizes telefault and capacitor to form, be divided into the first oscillator and the second oscillator, oscillator regularly gives pulse excitation signal, when pointer rotates, metallic conductor is near inductance, metallic conductor inside has produced induction current, consumed portion of energy, damped oscillation amplitude sharp-decay.The monitoring pointer 4 that metallic conductor is set described in the present invention is arranged according to actual conditions, is traditionally arranged to be x0.01 times of pointer.
Sensor gathers the minimum amplitude amplitude input signal of damped vibraion in conveyer and analyzes, in signals collecting conveyer, single-chip microcomputer is set, single-chip microcomputer connecting sensor, in single-chip microcomputer, set a threshold value and itself and the amplitude receiving are compared, when amplitude minimum value is during much smaller than setting threshold, provide a decision signal, specifically, when the minimum amplitude of the first oscillator is during much smaller than setting threshold, single-chip microcomputer provides signal A temporary; The minimum amplitude of the second oscillator is during much smaller than setting threshold, and single-chip microcomputer provides signal B, and while there is in succession A and B signal in single-chip microcomputer, single-chip microcomputer judges that pointer rotates a circle.If only have continuation a-signal or continuation B signal, temporary signal is deleted to the measurement error that while having avoided like this metal finger to stop, continuous metering causes under oscillator.Thereby the number of times simultaneously occurring by measurement A, B signal converses the flow of water in water meter.
In the storage unit that the flow of the current that converse arranges in signals collecting conveyer, give record, and stamp corresponding timestamp, at set intervals, the data that newly add are just covered the oldest data, guarantee that memory device normally moves, can not store and overflow.
In signals collecting conveyer, be also provided with communication unit, when user's handheld device, send after request, single-chip microcomputer extracts data, after encoding, by communication unit, sends; Or directly by long-range GPRS access, obtain data.In the present invention, communication unit is M_BUS or RS485 telecommunication circuit.
The dismountable water meter body top that is fixed on of the conveyer of signals collecting described in the present invention, described fixed form is preferably used trip to connect or bolt connecting mode, like this when signals collecting conveyer breaks down, can be changed very easily, and do not need water meter to pull down completely, first reduced manually, also provided cost savings simultaneously.
Claims (7)
1. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling, it is characterized in that: comprise water meter body (1), in water meter body (1) top signalization, gather conveyer (2), a side at the close dial plate of signals collecting conveyer (2) arranges arc groove, arc groove edge arranges the over cap that covers water meter dial plate, monitoring pointer (4) is set in dial plate, the length of monitoring pointer (4) is slightly less than the diameter of dial plate, its rotation axis is arranged on the center of circle of dial plate, its root arranges metallic conductor, pick-up transducers (3) is set on signals collecting conveyer (2), sensor utilizes two telefaults and two two LC free harmonic vibration damped vibraions that capacitor forms, and timing gives oscillator pulses pumping signal, when monitoring pointer (4) rotates, conductor is near inductance, damped oscillation amplitude decays rapidly.
2. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling according to claim 1, is characterized in that: on dial plate circumference, scale is set.
3. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling according to claim 1, is characterized in that: the dismountable side that is fixed on water meter body top of described signals collecting conveyer (2), described fixed form is that trip connects or bolt connects.
4. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling according to claim 1, it is characterized in that: the processing unit that judgement uninterrupted is set in signals collecting conveyer (2), processing unit connects pick-up transducers and detects damped oscillation attenuation in pick-up transducers and measure the number of turns that pointer rotates, and described processing unit is single-chip microcomputer.
5. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling according to claim 1, is characterized in that: in described signals collecting conveyer, communication unit is set, communication unit is M_BUS or RS485 telecommunication circuit, and communication unit is subject to Single-chip Controlling.
6. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling according to claim 1, is characterized in that: on single-chip microcomputer, connect storage unit, single-chip microcomputer is processed the signal receiving after coding, sends into after storage unit is kept in and sends.
7. the separated magnetism-free type remote transmitting water meter of large pointer up-sampling according to claim 1, is characterized in that: on signals collecting conveyer (2), power supply unit is set, power supply unit is single-chip microcomputer, communication unit and sensor power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306933.3A CN104048723B (en) | 2014-06-30 | 2014-06-30 | Big pointer up-sampling separates magnetism-free type remote transmitting water meter |
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| CN201410306933.3A CN104048723B (en) | 2014-06-30 | 2014-06-30 | Big pointer up-sampling separates magnetism-free type remote transmitting water meter |
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| CN104048723A true CN104048723A (en) | 2014-09-17 |
| CN104048723B CN104048723B (en) | 2017-06-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180957A (en) * | 2018-02-08 | 2018-06-19 | 江苏远传智能科技有限公司 | Without magnetic remote transmitting water meter |
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| CN202562534U (en) * | 2012-04-27 | 2012-11-28 | 天津市中天电子发展有限公司 | Sampling mechanism for signaling water meter |
| CN203964977U (en) * | 2014-06-30 | 2014-11-26 | 江苏赛达电子科技有限公司 | The separated magnetism-free type remote transmitting water meter of large pointer up-sampling |
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2014
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1563908A (en) * | 2004-03-12 | 2005-01-12 | 杭州利尔达单片机技术有限公司 | Non-magnet senser measurer and its measuring method |
| CN1928899A (en) * | 2006-01-06 | 2007-03-14 | 宁波水表股份有限公司 | Mechanical counter for electromagnetic induction coding |
| CN201003992Y (en) * | 2006-11-16 | 2008-01-09 | 中北大学 | A multi-beam non-magnetic calorie measuring device |
| KR20100025289A (en) * | 2008-08-27 | 2010-03-09 | 두원공과대학산학협력단 | Apparatus for sensing rotation of non-magnetic impeller and flow measurement device using same |
| CN201397184Y (en) * | 2009-05-04 | 2010-02-03 | 宁波水表股份有限公司 | A device for testing the water metering performance of electronic modules in non-magnetic water meters |
| CN102200459A (en) * | 2010-03-26 | 2011-09-28 | 河南新天科技股份有限公司 | Direct reading gauge |
| CN202024797U (en) * | 2011-03-22 | 2011-11-02 | 董学汉 | Magnetic induction pulse device used on intelligent instrument |
| CN202562534U (en) * | 2012-04-27 | 2012-11-28 | 天津市中天电子发展有限公司 | Sampling mechanism for signaling water meter |
| CN203964977U (en) * | 2014-06-30 | 2014-11-26 | 江苏赛达电子科技有限公司 | The separated magnetism-free type remote transmitting water meter of large pointer up-sampling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108180957A (en) * | 2018-02-08 | 2018-06-19 | 江苏远传智能科技有限公司 | Without magnetic remote transmitting water meter |
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| CN104048723B (en) | 2017-06-27 |
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