CN208282883U - A kind of dedicated electronic sensor counting device of drinking water meter - Google Patents
A kind of dedicated electronic sensor counting device of drinking water meter Download PDFInfo
- Publication number
- CN208282883U CN208282883U CN201721675256.8U CN201721675256U CN208282883U CN 208282883 U CN208282883 U CN 208282883U CN 201721675256 U CN201721675256 U CN 201721675256U CN 208282883 U CN208282883 U CN 208282883U
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- drinking water
- impeller
- switch
- counting
- water meter
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Abstract
本实用新型涉及一种饮用水表专用的电子传感计数装置，包括表壳，所述表壳上设有进水口、内腔和出水口；所述进水口处设有净化磁铁，所述内腔内设有叶轮，所述叶轮上方与径向磁铁相连接，所述径向磁铁上方设有计数控制装置，所述计数控制装置内设有两个开关型隧道磁阻传感器，所述两个开关型隧道磁阻传感器左侧设有蓄电池，所述两个开关型隧道磁阻传感器和蓄电池的外围设有磁屏蔽罩，所述磁屏蔽罩上方设有线路板，所述线路板上设有线性隧道磁阻传感器、光电传感器、液晶显示屏、单片机、红外线发射管以及红外线接收管。本实用新型具有结构简单、抗干扰强、成本低、可靠性高等特点，可广泛用于饮用水行业中各种电子计数的水表。
The utility model relates to an electronic sensing and counting device specially used for drinking water meters. An impeller is arranged in the cavity, and the upper part of the impeller is connected with the radial magnet, and a counting control device is arranged above the radial magnet, and two switch-type tunnel reluctance sensors are arranged in the counting control device, and the two A storage battery is provided on the left side of the switch-type tunnel reluctance sensor, and a magnetic shield is arranged on the periphery of the two switch-type tunnel reluctance sensors and the battery, and a circuit board is arranged above the magnetic shield, and a circuit board is arranged on the circuit board. Linear tunnel magnetoresistive sensor, photoelectric sensor, liquid crystal display, single-chip microcomputer, infrared emitting tube and infrared receiving tube. The utility model has the characteristics of simple structure, strong anti-interference, low cost, high reliability, etc., and can be widely used in various electronic counting water meters in the drinking water industry.
Description
Technical field
The utility model relates to a kind of drinking water meter number system more particularly to a kind of dedicated electronic sensors of drinking water meter
Counting device.
Background technique
Present drinking water meter either mechanical water meter, intellectual water meter, IC card water meter, photoelectric direct-reading water meter, all use
The sensor-based system of mechanical drive mode.When i.e. water flow passes through, the kinetic energy of water flow pushes rotor wing rotation, and rotor is again with the finger of moving gear
Needle or character wheel counter show water consumption.But this sensor-based system can not give single-chip microcontroller to provide pulse signal, and existing intelligence
Water meter, IC card water meter, photoelectric direct-reading water meter, there are no the traditional modes for being detached from original mechanical water meter, only in the reading of water meter
Sensing element is installed in some of index or gear set positions, and mechanical reading is converted into electrical signal data, is then carried out
Acquisition, operation, transmission.And the kind of drive still uses mechanical traditional approach.Due to using mechanical drive mechanism, water
In small flow, the kinetic energy of water flow is difficult to overcome the inertia and resistance of water meter mechanical part table, to cause small flow without counting
The inaccurate phenomenon with metering.
In consideration of it, the designer tries to explore and studies in view of the deficiencies of the prior art, to found a kind of drinking water meter
Dedicated electronic sensor counting device.
Utility model content
For overcome the deficiencies in the prior art, the utility model aim is to provide a kind of dedicated electronic sensor of drinking water meter
Counting device, the arrangement achieves electronic sensor tally controls, to improve the precision of water meter, extend water meter uses the longevity
Life.
The utility model is adopted the technical scheme that reach above-mentioned technical purpose: a kind of dedicated electronics of drinking water meter
Counting device, including watchcase are sensed, the watchcase is equipped with water inlet, inner cavity and water outlet；The water inlet is equipped with purification
Magnet, described interior intracavitary equipped with impeller, the impeller top is connected with radial magnet, is equipped with and counts above the radial magnet
Control device, sets that there are two switching mode tunnel magneto-resistive sensor, described two switching mode tunnels magnetic in the count control device
It hinders and is equipped with battery on the left of sensor, the periphery of described two switching mode tunnel magneto-resistive sensors and battery is equipped with magnetic screen
Cover, is equipped with wiring board above the magnetic shielding cover, the wiring board be equipped with linear tunnel magnetoresistive sensor, photoelectric sensor,
Liquid crystal display, single-chip microcontroller, infrared emission tube and infrared receiver tube.
Further, the impeller periphery is equipped with shield, and the shield is equipped with fin, for matching with watchcase positioning
Close installation.
Further, described two switching mode tunnel magneto-resistive sensor setting angles are 45 °, orthogonal mounting arrangements.
Further, the magnetic shielding cover is made of soft iron and conductive coating, and the magnetic shielding cover can stop extraneous height
The interference and attack of alternating electric field and extraneous magnetostatic field.
The beneficial effects of the utility model are:
The utility model is by using above-mentioned technical proposal departing from mechanically operated mode, and sensor is directly to single-chip microcontroller
Pulse signal is provided, water meter work can be solved in small flow, the phenomenon that water meter is not allowed with metering without counting；It solves in water and leads
Interference of the magnetic material to radial magnet, prevents the interference in external alternating electric field and magnetic field, can use journey inside optical transport modification of signal
Sequence accurately can provide the pulse signal of impeller rotation for outside, can basis so that external computing unit is accurately measured and controlled
The operation of display program is opened and controlled to water meter cover.
The utility model has achieved the purpose that power consumptive province, precision are high, reliable for operation, improves the precision of water meter, extends
The service life of water meter has the characteristics that structure is simple, anti-interference strong, practical, at low cost, high reliablity, can use extensively
The water meter of various electronic countings in Drinking Water Industry.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic top plan view of the utility model；
In figure: 1- watchcase, 2- water inlet, the inner cavity 3-, 4- water outlet, 5- purification magnet, 6- impeller, 7- shield, 8- are convex
Rib, 9- radial magnet, 10- count control device, 11- switching mode tunnel magneto-resistive sensor, 12- battery, 13- magnetic shielding cover,
14- wiring board, 15- linear tunnel magnetoresistive sensor, 16- photoelectric sensor, 17- liquid crystal display, 18- single-chip microcontroller, 19- are infrared
Line transmitting tube, 20- infrared receiver tube.
Specific embodiment
To make technological means of the utility model, creation characteristic, reaching purpose and effect is more clear and is easy to
Solution, the present invention will be further described in the following with reference to the drawings and specific embodiments.
Referring to Fig.1 shown in -2, a kind of dedicated electronic sensor counting device of drinking water meter provided by the utility model, including
Watchcase 1, watchcase 1 are equipped with water inlet 2, inner cavity 3 and water outlet 4；It is equipped with purification magnet 5 at water inlet 2, is equipped with leaf in inner cavity 3
Wheel 6,6 periphery of impeller are equipped with shield 7, and shield 7 is equipped with fin 8, for installing with table location fit.The top of impeller 6 with
Radial magnet 9 is connected, and count control device 10 is equipped with above radial magnet 9, sets that there are two switches in count control device 10
Type tunnel magneto-resistive sensor 11, two switching mode tunnel magneto-resistive sensor setting angles are 45 °, orthogonal mounting arrangements.Two are opened
Be equipped with battery 12 on the left of pass type tunnel magneto-resistive sensor 11, two switching mode tunnel magneto-resistive sensors 11 and battery 12 it is outer
It encloses and is equipped with magnetic shielding cover 13, wiring board 14 is equipped with above magnetic shielding cover 13, wiring board 14 is equipped with linear tunnel magnetoresistive sensor
15, photoelectric sensor 16, liquid crystal display 17, single-chip microcontroller 18, infrared emission tube 19 and infrared receiver tube 20.
Application method: when water enters water meter from water inlet 2, being mounted on the purification magnet 5 of water inlet, can will be in water
Iron, cobalt, nickel permeability magnetic material impurity absorption purification magnet 5 on, to reduce these impurity to the abrasion of impeller 6 and to radial direction
The influence of magnet 9.It is provided with impeller 6 in inner cavity 3, radial magnet 9 is housed on impeller 6, when water enters in water meter from water inlet 2
Flowing, then from when the outflow of water outlet 4, the kinetic energy impeller 6 of water flow rotates, and radial magnet 9 rotates simultaneously with impeller 6, water flow
Speed it is directly proportional to the revolving speed of impeller 6, the water of certain unit volume is flowed through in water meter, impeller 6 just has certain rotation
Number.Count control device 10 is mounted in inner cavity 3 and is isolated from the outside world water.Two switches are filled in count control device 10
Type tunnel magneto-resistive sensor 11, two switching mode tunnel magneto-resistive sensors 11 are mounted on the top of radial magnet 9, radial magnet 9
When rotating with impeller 6, two switching mode tunnel magneto-resistive sensors 11 are capable of measuring the variable quantity in magnetic field when radial magnet 9 rotates, when
At one 360 ° of the every rotation of radial magnet 9, switching mode tunnel magneto-resistive sensor 11 is sent out a pulse, by calculating pulse
Number can calculate the water consumption by water meter.The setting angle of two tunnel magneto-resistive sensors 11 is 45 °, orthogonal installation cloth
It sets, the pulse that two switching mode tunnel magneto-resistive sensors 11 are sent out has a time difference, by detecting two switching mode tunnels
11 burst length of road magnetoresistive sensor is poor, can calculate the direction of rotation of radial magnet 9.Radial magnet 9 is peripherally equipped with magnetic screen
Cover 13, magnetic shielding cover 13 is made of soft iron and conductive coating, and magnetic shielding cover 13 is mounted on two switching mode tunnel magneto-resistive sensors
11 top, magnetic shielding cover 13 can stop the interference and attack of extraneous height alternating electric field and extraneous magnetostatic field.Linear tunnel magnetic
Resistance sensor 15 can detect the intensity of external magnetic field, when external magnetic field reaches it is a certain amount of when, single-chip microcontroller 18 can adjust inner parameter,
And alarm signal is issued to the computer of external connection.When staff or user check water meter information and open water meter cover,
Photoelectric sensor 16 receives extraneous light, and single-chip microcontroller 18 controls liquid crystal display 17 and shows program operation, when water meter cover is closed
Afterwards, photoelectric sensor 16 can not receive extraneous light single-chip microcontroller 18 and control the display program stopped operation of liquid crystal display 17.It is red
The program optic electric interface that outside line transmitting tube 19, infrared receiver tube 20 form is not required to when the utility model needs adjustment programme
External wire is wanted, forming using optical transmission signal in infrared emission tube 19, infrared receiver tube 20 can on program optic electric interface
Program is modified to it.The utility model can prevent permeability magnetic material in water from doing to radial magnet by using above-mentioned technical proposal
It disturbs, prevents the interference in external alternating electric field and magnetic field, optical transport modification of signal internal processes can be used, can accurately be provided for outside
The pulse signal of impeller rotation can be opened according to water meter cover so that external computing unit is accurately measured and controlled and control and show
The operation of program, reaches that power consumptive province, precision be high, mesh reliable for operation.
The above is only the preferred embodiment of the utility model, does not do any restrictions, all bases to the utility model
Any change that the mentality of designing of technical solutions of the utility model is made, should be included in the protection scope of the utility model it
It is interior.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721675256.8U CN208282883U (en) | 2017-12-05 | 2017-12-05 | A kind of dedicated electronic sensor counting device of drinking water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721675256.8U CN208282883U (en) | 2017-12-05 | 2017-12-05 | A kind of dedicated electronic sensor counting device of drinking water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208282883U true CN208282883U (en) | 2018-12-25 |
Family
ID=64748257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721675256.8U Expired - Fee Related CN208282883U (en) | 2017-12-05 | 2017-12-05 | A kind of dedicated electronic sensor counting device of drinking water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208282883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729486A (en) * | 2020-12-29 | 2021-04-30 | 杭州山科智能科技股份有限公司 | Intelligent water meter measuring method with self-calibration function |
| CN114739465A (en) * | 2022-03-31 | 2022-07-12 | 广州市自来水有限公司 | Electromechanical conversion method for intelligent water meter |
-
2017
- 2017-12-05 CN CN201721675256.8U patent/CN208282883U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729486A (en) * | 2020-12-29 | 2021-04-30 | 杭州山科智能科技股份有限公司 | Intelligent water meter measuring method with self-calibration function |
| CN112729486B (en) * | 2020-12-29 | 2023-08-08 | 杭州山科智能科技股份有限公司 | Intelligent water meter measuring method with self-calibration function |
| CN114739465A (en) * | 2022-03-31 | 2022-07-12 | 广州市自来水有限公司 | Electromechanical conversion method for intelligent water meter |
| CN114739465B (en) * | 2022-03-31 | 2024-12-20 | 广州市自来水有限公司 | A method for electromechanical conversion of intelligent water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230727 Address after: 252000 16 the Yellow River Road, hi tech Zone, Liaocheng, Shandong Patentee after: SHANDONG PRECISION INSTRUMENT CO.,LTD. Address before: 252000 No. 16, Huanghe Road, Liaocheng high tech Zone, Liaocheng City, Shandong Province Patentee before: SHANDONG KEOLL SELF-SERVICE INSTRUMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 |