CN107389141A - A kind of wireless tap water meter - Google Patents
A kind of wireless tap water meter Download PDFInfo
- Publication number
- CN107389141A CN107389141A CN201710732500.8A CN201710732500A CN107389141A CN 107389141 A CN107389141 A CN 107389141A CN 201710732500 A CN201710732500 A CN 201710732500A CN 107389141 A CN107389141 A CN 107389141A
- Authority
- CN
- China
- Prior art keywords
- transducer
- cavity
- ring
- sleeve
- magnetic patch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000008399 tap water Substances 0.000 title claims abstract description 7
- 235000020679 tap water Nutrition 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- 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
- G01F1/06—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 using rotating vanes with tangential admission
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a kind of wireless tap water meter, belongs to water field of instrumentation technology.Watchcase is separated into upper and lower cavity by the dividing plate with sleeve, and spacing ring is filled on the limiting plate of dividing plate and sleeve ends；Cavity of resorption side wall is provided with inlet and outlet, and cavity of resorption side wall ends are equipped with the end cap with multi-diameter shaft, impeller is housed on multi-diameter shaft, impeller axle sleeve is in sleeve, semiaxis is housed on wheel shaft, magnet ring is all cased with wheel shaft and semiaxis, magnet ring is equal thickness structure and its end face is cam curved surface；Gland is housed, display screen, spacer ring and circuit board are crimped on the boss one of upper cavity wall by gland successively, and photovoltaic cell is inlaid with display screen, and circuit board is provided with energy conversion storage and information transmitter unit in upper cavity wall；Magnetic patch is housed equipped with the two groups of transducers separated by packing ring, transducer free end on upper cavity wall boss two, magnetic patch mutually attracts with magnet ring；Transducer is formed by substrate and PZT film bonding, and the PZT film of two groups of transducers is mounted opposite；The voltage signal quantity of transducer generation is used for characterizing originally water consumption.
Description
Technical field
The invention belongs to water instrument and supply equipment field, and in particular to a kind of wireless tap water meter.
Background technology
Running water is the indispensable consumer goods of resident's daily life, and its consumption record is with statistics at present also mainly by people
Work is completed.Not only efficiency is low for manual metering, wasting manpower and material resources, more important is meter reading person often because in man of resident family nobody
Make a futile journey repeatedly, severely impacted the accuracy and real-time of data statistics, therefore people start to develop running water and coal
Gas remote automatic meter reading system.Although existing kilowatt meter reading-out system data processing and transmission technology are very ripe, reality is there is no at present
One of the report, reason of popularization and application is that its powerup issue fails to solve well, the old and new's house is not all Automatic meter reading system
, potential safety hazard if laying interim open-wire line be present, then need often to change using battery powered, above two method in pre- laying cable
All user is embarrassed to be received, therefore it is imperative to develop a kind of tap water meter that can realize electric energy self-supporting.
The content of the invention
The present invention proposes a kind of wireless tap water meter, and the embodiment that the present invention uses is：Dividing plate with sleeve is by watchcase
Epicoele and cavity of resorption are separated into, sleeve ends are provided with limiting plate through screw, restraining position ring block, spacing ring are installed on limiting plate and dividing plate
Material be magnet or rubber, sleeve, epicoele and cavity of resorption are coaxial, and the side wall of cavity of resorption is provided with inlet and outlet, and inlet and outlet are coaxial；Cavity of resorption
Side wall ends end cap is installed through screw, sealing gasket is provided between end cap and the side wall of cavity of resorption；Rank is provided with the center of end cap
Terraced axle, impeller is installed through bearing on multi-diameter shaft, the wheel rim of impeller is provided with wheel shaft and blade, and axle sleeve is in sleeve, wheel shaft
On through screw semiaxis is installed, magnet ring is all cased with wheel shaft and semiaxis, magnet ring is equal thickness structure and its end face is cam curved surface；
Gland is installed through screw thread in upper cavity wall, gland is loop configuration, and display screen, spacer ring and circuit board are crimped on by gland successively
On the boss one of cavity wall, photovoltaic cell is inlaid with display screen；On the boss two of upper cavity wall two groups are provided with through screw and pressure ring
Transducer, two groups of transducers are separated by packing ring, and transducer free end is provided with magnetic patch through screw, the effect between magnetic patch and magnet ring
Power is attraction；Transducer is formed by substrate and PZT film bonding, and the PZT film of two groups of transducers is mounted opposite；Transducer is through wire
Group is connected with circuit board, and circuit board is provided with energy conversion unit, memory cell and transmitter unit, and memory element is super electricity
Hold；Circuit board is connected through different conductor group with display screen and photovoltaic cell.
In the present invention, transducer installation before be flat construction, install after be warp architecture；Magnetic patch phase in two groups of transducers
Mutually transducer does not occur bending and deformation during contact, and maximum stress when magnetic patch contacts with each other with spacing ring in PZT film is permitted less than it
It is less than its allowable value Z with value, transducer free end deflection, and is had
Wherein：B=1- α+α β, A=α4(1-β)2-4α3(1-β)+6α2(1- β) -4 α (1- β)+1, α=hm/ H, β=Em/Ep,hmIt is respectively substrate thickness and transducer gross thickness with H, EmAnd EpRespectively substrate and
The Young's modulus of PZT film, k31WithRespectively the electromechanical coupling factor and allowable stress of PZT material, L are transducer length.
In the present invention, photovoltaic cell is converted light energy into the super capacitor that electric energy is deposited on circuit boards, is low power number
Energy is provided according to display system；When having the running water to flow through water meter, running water flows into cavity of resorption through entrance, flowed out again through outlet, current
Driving blade drives wheel shaft and magnet ring to rotate, so as to change the position relationship and interaction force between magnet ring and magnetic patch；Impeller connects
Continuous magnetic patch when rotating because by magnet ring attraction and along magnet ring contour motion and force transducer up and down reciprocatingly flexural deformation；Change
Stress intensity suffered by PZT film alternately changes during energy device up and down reciprocatingly flexural deformation, so as to convert mechanical energy into electric energy, is generated
The converted processing of electric energy after store in super capacitor on circuit boards, launch for high-power information；Meanwhile transducer is curved
The pulse voltage signal quantity that generates is used for characterizing the rotating speed and originally water consumption of impeller during song deformation；When originally, water consumption reaches
Emission system outwards launches water usage data, or emission system in fixed dates outside transmitting water monthly during some setting value
Measure data.
The present invention characteristic be：1. energy-autarchic, easy to install；2. transducer is through assembling pre-bending, PZT film in work
Only compression chord, technique is simple, cost is low, reliability is high；3. impeller respectively puts a chamber and through non-contact excitation, nothing with ECU
Need sealing, without impact and noise.
Brief description of the drawings
Fig. 1 is the structural principle sketch of water meter in a preferred embodiment of the present invention；
The structural representation of watchcase in Fig. 2 a preferred embodiment of the present invention；
Fig. 3 is Fig. 1 A-A views；
Fig. 4 is the structural representation after impeller in a preferred embodiment of the present invention, magnet ring and briquetting assembling；
Fig. 5 is Fig. 4 top view.
Embodiment
Watchcase a is separated into cavity of resorption C1 and epicoele C2 by the dividing plate a1 with sleeve a4, and sleeve a4 end is provided with through screw
Restraining position ring block b is installed, spacing ring b material is magnet or rubber, sleeve a4, cavity of resorption on limiting plate d, limiting plate d and dividing plate a1
C1 and epicoele C2 are coaxial, and cavity of resorption C1 side wall is provided with import a2 and outlet a3, import a2 and outlet a3 central coaxial；Cavity of resorption
The end of C1 side wall is provided between end cap c, end cap c and cavity of resorption C1 side wall through screw and is provided with sealing gasket；End cap c center
Place is provided with multi-diameter shaft c1, is provided with impeller f through bearing e on multi-diameter shaft c1, impeller f wheel rim f1 is provided with wheel shaft f2 and blade
F3, wheel shaft f2 are enclosed in sleeve a4, are provided with wheel shaft f2 through screw on semiaxis g, wheel shaft f2 and semiaxis g and are all cased with magnet ring h, magnetic
Ring h is equal thickness structure and its end face is cam curved surface；Gland i is installed through screw thread on upper cavity wall a5, gland i is ring junction
Display screen j, spacer ring k and circuit board m are crimped on the upper cavity wall a5 a6 of boss one, inlayed on display screen j by structure, gland i successively
There is photovoltaic cell n；Two groups of transducer p (Fig. 1 marks are wrong) are installed through screw and pressure ring o on the upper cavity wall a5 a7 of boss two,
Two groups of transducer p are separated by packing ring y, and transducer p free end is provided with magnetic patch q, the work between magnetic patch q and magnet ring h through screw
It is firmly attraction；Transducer p is formed by substrate p1 and PZT film p2 bondings, and two groups of transducer p PZT film p2 is mounted opposite；Change
Energy device p is connected through wire group with circuit board m, and circuit board m is provided with energy conversion unit, memory cell and transmitter unit, storage
Element is super capacitor；Circuit board m is connected through different conductor group with display screen j and photovoltaic cell n.
In the present invention, transducer p installation before be flat construction, install after be warp architecture；Magnetic patch in two groups of transducer p
Transducer does not occur bending and deformation when q contacts with each other, and maximum stress when magnetic patch q and spacing ring b contacts with each other in PZT film is less than it
Allowable value, the transducer p deflection of free end are less than its allowable value Z, and had
Wherein：B=1- α+α β, A=α4(1-β)2-4α3(1-β)+6α2(1- β) -4 α (1- β)+1, α=hm/ H, β=Em/Ep,hmIt is respectively substrate p1 thickness and transducer p gross thickness with H, EmAnd EpRespectively base
Plate p1 and PZT film p2 Young's modulus, k31WithRespectively the electromechanical coupling factor and allowable stress of PZT material, L are transducer
P length.
In the present invention, photovoltaic cell n is converted light energy into the super capacitor that electric energy is present on circuit board m, is low-power
Data presentation system provides energy；When having the running water to flow through water meter, running water flows into cavity of resorption C1, again through exporting a3 streams through entrance a2
Go out, current driving blade f3 drives wheel shaft f2 and magnet ring h to rotate, so as to change position relationship between magnet ring h and magnetic patch q and mutually
Active force；When impeller f is continuously rotated magnetic patch q because of the attraction by magnet ring h and along magnet ring h contour motion and force transducer
P up and down reciprocatingly flexural deformations；Stress intensity suffered by PZT film p2 alternately changes during transducer p up and down reciprocatingly flexural deformations, so that will
Mechanical energy is converted into electric energy, is stored in after the converted processing of the electric energy generated in the super capacitor on circuit board m, for big work(
Rate information is launched；Meanwhile the pulse voltage signal quantity generated during transducer p flexural deformations be used for characterize impeller f rotating speed and
Originally water consumption；When originally water consumption reaches some setting value, emission system outwards launches water usage data, or emission system
Outwards launch water usage data in fixed dates monthly.
Claims (1)
- A kind of 1. wireless tap water meter, it is characterised in that：Watchcase is separated into upper and lower cavity by the dividing plate with sleeve, and sleeve ends are equipped with Restraining position ring block is installed on limiting plate, limiting plate and dividing plate, retainer ring materials are magnet or rubber, and sleeve, epicoele and cavity of resorption are coaxial, The side wall of cavity of resorption is provided with inlet and outlet, and inlet and outlet are coaxial；The side wall ends of cavity of resorption are equipped with end cap, between end cap and the side wall of cavity of resorption Provided with sealing gasket；It is provided with multi-diameter shaft at end cap central, impeller is installed through bearing on multi-diameter shaft, the wheel rim of impeller is provided with wheel shaft And blade, axle sleeve are equipped with semiaxis in sleeve on wheel shaft, magnet ring is all cased with wheel shaft and semiaxis, magnet ring is equal thickness structure And its end face is cam curved surface；Gland is housed, gland is loop configuration, and gland is successively by display screen, spacer ring and electricity in upper cavity wall Road plate is crimped on the boss one of cavity wall, and photovoltaic cell is inlaid with display screen；Circuit board is provided with energy conversion unit, deposited Storage unit and transmitter unit, memory element are super capacitor；Two groups of transducers, two groups of transducers are housed on the boss two of upper cavity wall Separated by packing ring, transducer free end is equipped with magnetic patch, and the active force between magnetic patch and magnet ring is attraction；Transducer by substrate and PZT film bonding is formed, and the PZT film of two groups of transducers is mounted opposite；Transducer is connected through wire group with circuit board, and circuit board is not through It is connected with wire group with display screen and photovoltaic cell；Transducer installation before be flat construction, install after be warp architecture；Two groups are changed Transducer does not occur bending and deformation when magnetic patch in energy device is in contact, and transducer free end deforms when magnetic patch is in contact with spacing ring Amount is less than its allowable value；The pulse voltage signal quantity of transducer generation is used for characterizing the rotating speed and originally water consumption of impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732500.8A CN107389141B (en) | 2017-08-17 | 2017-08-17 | Wireless running water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732500.8A CN107389141B (en) | 2017-08-17 | 2017-08-17 | Wireless running water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107389141A true CN107389141A (en) | 2017-11-24 |
| CN107389141B CN107389141B (en) | 2023-07-21 |
Family
ID=60345527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710732500.8A Active CN107389141B (en) | 2017-08-17 | 2017-08-17 | Wireless running water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107389141B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175913A (en) * | 1981-04-23 | 1982-10-29 | Hanshin Keiki Seisakusho:Kk | Tap-water meter |
| CN85202918U (en) * | 1985-07-08 | 1986-07-09 | 湖南大学 | Sensor for measuring the flow of conductive liquid |
| US5069067A (en) * | 1988-06-10 | 1991-12-03 | Select Corporation | Fluid flow meter |
| DE4211273A1 (en) * | 1992-04-03 | 1993-10-07 | Siemens Ag | Flow measurement device with mechanically resonant structure - contains flexible element whose torsion is measured via magnetostrictive film permeability changes |
| CN104485849A (en) * | 2015-01-07 | 2015-04-01 | 浙江师范大学 | Channel flow generator applied to remote meter reading system |
| US20160076923A1 (en) * | 2014-09-17 | 2016-03-17 | Joseph Baumoel | Ultrasonic flow meter using reflected beams |
| CN205642479U (en) * | 2016-04-07 | 2016-10-12 | 福建国仪上润投资有限公司 | Magnetic induction pulse water gauge |
| CN106197581A (en) * | 2016-06-15 | 2016-12-07 | 浙江师范大学 | A kind of self-powered pipe flow speed monitor |
| CN106932031A (en) * | 2017-03-29 | 2017-07-07 | 苏州亚思科精密数控有限公司 | A kind of accurate measurement fluid flowmeter |
-
2017
- 2017-08-17 CN CN201710732500.8A patent/CN107389141B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175913A (en) * | 1981-04-23 | 1982-10-29 | Hanshin Keiki Seisakusho:Kk | Tap-water meter |
| CN85202918U (en) * | 1985-07-08 | 1986-07-09 | 湖南大学 | Sensor for measuring the flow of conductive liquid |
| US5069067A (en) * | 1988-06-10 | 1991-12-03 | Select Corporation | Fluid flow meter |
| DE4211273A1 (en) * | 1992-04-03 | 1993-10-07 | Siemens Ag | Flow measurement device with mechanically resonant structure - contains flexible element whose torsion is measured via magnetostrictive film permeability changes |
| US20160076923A1 (en) * | 2014-09-17 | 2016-03-17 | Joseph Baumoel | Ultrasonic flow meter using reflected beams |
| CN104485849A (en) * | 2015-01-07 | 2015-04-01 | 浙江师范大学 | Channel flow generator applied to remote meter reading system |
| CN205642479U (en) * | 2016-04-07 | 2016-10-12 | 福建国仪上润投资有限公司 | Magnetic induction pulse water gauge |
| CN106197581A (en) * | 2016-06-15 | 2016-12-07 | 浙江师范大学 | A kind of self-powered pipe flow speed monitor |
| CN106932031A (en) * | 2017-03-29 | 2017-07-07 | 苏州亚思科精密数控有限公司 | A kind of accurate measurement fluid flowmeter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107389141B (en) | 2023-07-21 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231018 Address after: 266000 Room 601, building 3, Qingdao Software Park, No. 288, Ningxia road, Shinan District, Qingdao, Shandong Patentee after: QINGDAO IESLAB ELECTRONIC Co.,Ltd. Address before: 321004 Zhejiang Normal University, 688 Yingbin Avenue, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG NORMAL University |
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| TR01 | Transfer of patent right |