CN208588421U - High-precision bidirectional measuring electronic water meter - Google Patents
High-precision bidirectional measuring electronic water meter Download PDFInfo
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- CN208588421U CN208588421U CN201820849962.8U CN201820849962U CN208588421U CN 208588421 U CN208588421 U CN 208588421U CN 201820849962 U CN201820849962 U CN 201820849962U CN 208588421 U CN208588421 U CN 208588421U
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Abstract
The utility model discloses a kind of high-precision bidirectional measuring electronic water meters, including shell of water flowmeter, water meter core and control circuit；Water meter core includes: impeller, impeller shaft, fixed frame, is provided with strong magnetic in the middle part of impeller, control circuit includes: lithium battery, induction coil, the first Hall sensor, the second Hall sensor, display screen, main control chip, storage unit, electromagnetic damping control circuit and wireless charging manage circuit；The position of induction coil, the first Hall sensor and the second Hall sensor is corresponding with position of the strong magnetic on impeller, and the strong magnetic energy enough cuts the induction coil.The utility model substitutes the measuring accuracy that machine driving improves water meter by electronic circuit, reduce energy loss, and can prevent power-off from not measuring phenomenon, it avoids water meter from rotation occur, realizes high-acruracy survey, low-power consumption, long-term function that is non-maintaining, preventing strong magnetic.
Description
Technical field
The utility model belongs to the water meter technical field in measuring instrument and meter, is specifically related to a kind of two-way meter of high-precision
Measure electronic water meter.
Background technique
Water meter is the instrument for measuring water flow, is widely used in the multiple fields such as family, factory, office.Water meter
Type can be divided by measuring principle, common type has:
A) mechanical water meter: measurement sensor, calculator and instruction device are the water meter of theory of mechanics and structure, mainly
There are velocity type water meter and volumetric water meter.
B) it is equipped with the mechanical water meter of electronic device: retaining the mechanical water meter of structural integrity, install additional on this basis
The water meter of electronic device mainly has IC card water meter and remote transmitting water meter.
C) electric water meter: electric water meter is divided into mechanical sensing electronic formula water meter and electronic sensor electric water meter.
The measurement sensor of mechanical sensing electronic formula water meter by based on mechanical movement principle sensor and can will be mechanical
Movement is converted into the sensing element composition of electric signal input calculator, and calculator and instruction device are electronic building brick, such as whirlpool
(leaf) wheel-type electric water meter.The measurement sensor of electronic sensor electric water meter is based on electronics or electromagnetic induction principle, calculates
Device and instruction device are electronic building brick, such as ultrasonic water meter, jet stream water meter, Coriolis water meter and electromagnetism water meter.
But in the use process of water meter, it is primarily present following problems:
1, water meter rotation problem:
Water multiple flowing back and forth of forward and reverse inside water meter causes forward and reverse accumulated error of water meter to be measured and causes
Water meter rotation problem；
2, the upside-down mounting of water meter and theft:
Common mechanical table is bottom in and top out in water inlet, is upper entering and lower leaving when pushing gear to rotate forward, and turning around into water, pushes away
Moving gear reversion, the suffered resistance of two-phase water inlet is different, although two inflows are identical, the reading phase being reflected on water meter
Difference is very big, and on the other hand, water meter has minimum initiating water, tap is reached the state of dripping, water flow can not push impeller leaf
Piece rotation, so that some water meters cannot be measured normally；
3, the power consumption of water meter and battery altering problem:
Existing intelligent meter and remote installed meter generally require replacement battery, influence the steady in a long-term of equipment in life expectancy
It uses；
4, the use problem of water meter:
The water meter product generally used both at home and abroad at present is mainly traditional mechanical water meter and electronic device water meter.This two
Class water meter mostly uses mechanical impellor vane type and rotary-piston type to be driven (sensing) principle, indicates to measure by mechanical counter
As a result it or with sensor obtains mechanical rotating signal and shows measurement result after processing.Due to the problem in principle and structure,
Make service life, measurement reproducibility and the reliability, accuracy of measurement, requirement and measuring signal to water quality of this kind of water meter
Acquisition and transmission etc. there is many insufficient and defects；
5, the production, test of water meter, maintenance issues:
Existing water meter mostly uses greatly mechanical structure, due to greatly limiting using having machine driving and machinery adjustment structure
The production capacity of water meter is made；Meanwhile in production test, fault detection and on-site maintenance, this water meter needs professional technician
Installation and debugging are carried out, to the more demanding of production test personnel, cause installation, debugging, the efficiency of maintenance lower.
In summary the problem of, is badly in need of a kind of water meter that can solve above-mentioned each problem, and the utility model proposes one kind thus
High-precision bidirectional measuring electronic water meter.
Utility model content
The technical issues of for proposing in background technique, the utility model discloses a kind of high-precision bidirectional measuring electronic waters
Table, it is therefore intended that improve the measurement accuracy of water meter, low-power consumption, multiple anti-power failure are maintained easily, prevent upside-down mounting and usurp, improve
Its produce production capacity, without professional technician install test and maintenance, wirelessly realize data upload, downloading and
It updates.
In order to solve the above-mentioned technical problem, the utility model provides a kind of high-precision bidirectional measuring electronic water meter, including
Shell of water flowmeter, water meter core and control circuit, the water meter core and the control circuit are arranged in the shell of water flowmeter；The water meter core
It include: impeller, impeller shaft, fixed frame, one end of the impeller shaft is arranged in the impeller, and the fixed mount setting is in the leaf
The other end of wheel shaft, the fixed frame are arranged in parallel in the impeller shaft with the impeller, are additionally provided on the impeller strong
The middle part of the impeller is arranged in magnetic, the strong magnetic；The control circuit includes: lithium battery, induction coil, the first hall sensing
Device, the second Hall sensor, display screen, main control chip, storage unit, electromagnetic damping control circuit and wireless charging management electricity
Road；The lithium battery, first Hall sensor, second Hall sensor.The display screen, the storage unit,
The electromagnetic damping control circuit and wireless charging management circuit are connected with the main control chip；The induction coil point
Circuit connection is not managed with the electromagnetic damping control circuit and the wireless charging；The lithium battery again with the wireless charging
Manage circuit connection；The induction coil, first Hall sensor and second Hall sensor are arranged at fixation
On frame, the position of the induction coil, first Hall sensor and second Hall sensor exists with the strong magnetic
Position on the impeller is corresponding, and the strong magnetic energy enough cuts the induction coil.
Further, the impeller is 6, and the strong magnetic is 6, and 6 strong magnetic are in the impeller same direction
It is arranged alternately in the pole N and the pole S.
Further, the first shielding case and secondary shielding cover, the control circuit setting are additionally provided on the fixed frame
In first shielding case and the secondary shielding cover.
Further first shielding case is made of iron sheet；The secondary shielding cover is made of aluminium or copper foil, and described
Ground connection in shell of water flowmeter described in first shielding case and the secondary shielding cover.
Further, the main control chip uses STM32L151RB.
Further, first Hall sensor and second Hall sensor are all made of bipolarity hall sensing
Device.
Further, electric power management circuit is also connected between the lithium battery and the main control chip.
Further, the main control chip is also connected with temperature sensor.
Further, the main control chip is also connected with valve body control circuit.
Further, the main control chip is also connected with wireless communication line and infrared communication circuit.
The utility model has the beneficial effects that: by increasing the cooperation of the induction coil in strong magnetic and control circuit in impeller
Substituting mechanical driving part, reducing mechanical loss and improving measuring accuracy；By increasing the first Hall sensor and the
Two Hall sensors are realized to the identification in wheel rotation direction and wheel speed identification, avoid water meter upside-down mounting and water meter
The measurement error of rotation improves the measuring accuracy of water flow；Increase wireless charging and manage circuit, realizes the function to charge to lithium battery
Can, solve the problems, such as power-off and the continuation of the journey of later maintenance lithium battery；Provided with electromagnetic damping control circuit, the strong magnetic of impeller is realized
Dynamic change between induction coil is maintained at impeller in certain dynamic range, reaches dynamic balancing, improves simultaneously
The anti-overload ability of water meter, greatly reduces mechanical wear under big flow velocity, extends working life.
Detailed description of the invention
Fig. 1 is high-precision bidirectional measuring electronic water meter schematic diagram of internal structure in the embodiments of the present invention；
Fig. 2 is the structural schematic diagram of control circuit 3 shown in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Specific embodiment described herein is only used to explain the utility model, is not used to limit the utility model.Base
In the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1, high-precision bidirectional measuring electronic water meter 100 includes: shell of water flowmeter 1, water meter core 2, control circuit
3,
Water meter core 2 and control circuit 3 are arranged in shell of water flowmeter 1, and water meter core 2 includes: impeller 201, and impeller shaft 202 is fixed
Frame 203；Water meter core 2 is mainly used for recording water consumption.
Impeller 201 is fixed on 202 lower end of impeller shaft, and it is best for capable of being freely rotated under water impact with impeller 201；Gu
Determine frame 203 to be fixed on 202 upper end of impeller shaft and be arranged in parallel with impeller 201.
Strong magnetic 2011 is provided in the middle part of impeller 201, in the present embodiment, it is preferred to use the strong magnetic 2011 of 6 impellers 201 and 6,
6 strong magnetic 2011 is separately positioned on the wheel leaf central part of 6 impellers 201, and 6 strong magnetic 2011 in one direction hand over by the pole N and the pole S
For setting.
Strong magnetic is to extraneous interference and the extraneous interference to internal electromagnetic induction in order to prevent, in the fixed frame 203
On be provided with the first shielding case 2031 and secondary shielding cover 2032, further, the first shielding case 2031 is made of iron sheet,
Two shielding cases 2032 are made of aluminium or copper foil, and the first shielding case 2031 and secondary shielding cover 2031 and high-precision bidirectional measuring water
100 inner ground of table.The interference that extraneous permanent magnet is prevented by first shielding case 2031, passes through second screen
Covering cover 2032 prevents the interference of extraneous high-frequency alternating magnetic field.
Preferably, while preventing strong magnetic to extraneous interference and the extraneous interference to internal electromagnetic induction, reduce
The size of shielding case, easy to produce and installation and debugging are provided with shielding case on the fixed frame 203, and plate on shielding case
Conductive material.The material of the shielding case is ferrous material, can be iron sheet；The conductive material is copper or zinc.Pass through
The shielding case prevents the interference of extraneous permanent magnet, and extraneous high-frequency alternating is prevented by the conductive material plated on shielding case
The interference in magnetic field.
Please referring to control circuit 3 shown in Fig. 2 includes: lithium battery 301, induction coil 302, the first Hall sensor 303,
Two Hall sensors 304, display screen 305, main control chip 306, storage unit 307, electromagnetic damping control circuit 308 and wireless charging
Fulgurite manages circuit 309.
In the present embodiment, it is preferable that main control chip 306 uses STM32L151RB.
Control circuit 3 is arranged in shell of water flowmeter 1, and induction coil 302 is arranged on fixed frame 203, to rotate when impeller 201
When, it is best that the magnetic line of force of Qiang Ci 2011, which can cut induction coil 302 and generate induced voltage,.
First Hall sensor 303 and the second Hall sensor 304 are arranged on fixed frame 203, the position at place and leaf
Strong magnetic 2011 is corresponding on wheel 201, to identify steering and the revolving speed of impeller 201；In the present embodiment, it is preferable that the first Hall
Sensor 303 and the second Hall sensor 304 use bipolarity Hall sensor.
Display screen 305 and main control chip 306 connect, the working condition and related metrical information for display water-meter.
Storage unit 307 and main control chip 306 connect, for storing the configuration information and dependency number of main control chip 306
According to storage.
The both ends of electromagnetic damping circuit 308 and wireless charging management circuit 309 are connected to induction coil 302 and master control
Chip 306.Wireless charging manages circuit 309 again and the connection of lithium battery 301 is for charging to lithium battery 301.Lithium battery 301
It is connected to main control chip 306 again.Electromagnetic damping circuit 308 is used for balanced electromagnetic damping phenomena；Wireless charging manages circuit 309 and uses
In to lithium battery 301 charging and power management.In the present embodiment, electricity is provided between lithium battery 301 and main control chip 306 again
Power management circuits 3011, for the outgoing management of multiple power supplies, controlled comprising 301 voltage detecting of lithium battery, power supply etc..
In the present embodiment, it is preferable that temperature sensor 310 is also connected on main control chip 306, for detecting in water meter
Portion's temperature, to prevent damage caused by temperature anomaly；Valve body control circuit 311 is also connected on main control chip 306, for driving
The execution of moving valve；Wireless communication line 312 is also connected on main control chip 306, the two-way number for water meter and data center
According to exchange, the state and operational data of water meter are sent, and receives control command and the update of remote firmware program；Master control core
Piece 306 is also connected with infrared communication circuit 313, to the read-write of data of water meter and checks that water meter state is believed for handheld terminal
Breath.Under debugging mode, by the receiving port of infrared communication circuit 313, the shell for not needing to open water meter be can be carried out
The upgrading and data export function of water meter internal processes also may be implemented in data calibration and amendment；By downloading different programs,
And parameter configuration and Data correction, so that it may which the water meter for constituting different model reduces warehousing pressure, is convenient for mass, mark
Quasi- metaplasia produces, and effectively reduces production time cost and labour cost, solves the problems, such as production capacity deficiency.
The specific works mode of high-precision bidirectional watermeter 100 are as follows: water meter is connected into water pipe, actuating valve,
Water flow drives the impeller 201 in water meter core 2 to rotate, and the strong magnetic 2011 on impeller 201 is rotated also with impeller 201, to the line of induction
Circle 302 carries out magnetic field intercepts, and induction coil 302 can produce induced voltage, and induced voltage manages circuit 309 by wireless charging
It charges to lithium battery 301.While impeller 201 rotates, the first Hall sensor 303 and the second Hall sensor 304,
Can rotation direction to impeller 201 and velocity of rotation identify, and the rotation of impeller 201 is believed by magnetic coupling mode
Breath passes to main control chip 306, and Hall umber of pulse is converted into flow rate information by algorithm, and then be converted into flow information.
First shielding case 2031 is for preventing extraneous permanent magnet to the magnetic interference of induction coil 302 and strong magnetic 2011.Secondary shielding cover
2032 for preventing the interference of extraneous high-frequency alternating magnetic field.Induction electric can be generated in view of induction coil 302 and strong magnetic 2011
Gesture, in the case where water pipe small flow velocity, the voltage that induction coil 302 incudes is lower, if managing electricity by wireless charging at this time
Road 309 charges to lithium battery 301, then because of electromagnetic damping phenomenon, impeller also will receive reaction force, and resistance can hinder at this time
Hinder the measurement of small flow, the generation for avoiding electromagnetic damping effect is at this moment controlled by electromagnetic damping control circuit 308；In water pipe
In the case where big flow velocity, suitable electromagnetic damping effect is controlled by electromagnetic damping control circuit 308, makes strong magnetic 2011 and induction
Coil 302 keeps reasonable dynamic range, and impeller 201 is further made to be suspended in 202 central rotational of impeller shaft, reaches dynamic flat
Weighing apparatus, while improving the anti-overload ability of water meter under big flow velocity, and significantly less mechanical wear extends working life.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, any
It is familiar with the technical staff of the utility model, without departing from the spirit and scope of the utility model, can does on this basis into one
The improvements and changes of step, therefore the protection scope of the utility model ought be with the range that following claims are defined
It is quasi-.
Claims (9)
1. a kind of high-precision bidirectional measuring electronic water meter, including shell of water flowmeter, water meter core and control circuit, it is characterised in that:
The water meter core and the control circuit are arranged in the shell of water flowmeter；
The water meter core includes: impeller, impeller shaft, fixed frame, and one end of the impeller shaft, the fixation is arranged in the impeller
The other end of the impeller shaft is arranged in frame, and the fixed frame is arranged in parallel in the impeller shaft with the impeller, the leaf
Strong magnetic is additionally provided on wheel, the middle part of the impeller is arranged in the strong magnetic；
The control circuit includes: lithium battery, induction coil, the first Hall sensor, the second Hall sensor, display screen, master
Chip, storage unit are controlled, electromagnetic damping control circuit and wireless charging manage circuit；
The lithium battery, first Hall sensor, second Hall sensor, the display screen, the storage unit,
The electromagnetic damping control circuit and wireless charging management circuit are connected with the main control chip；
The induction coil manages circuit connection with the electromagnetic damping control circuit and the wireless charging respectively；
The lithium battery manages circuit connection with the wireless charging again；
The induction coil, first Hall sensor and second Hall sensor are arranged on fixed frame, described
The position of induction coil, first Hall sensor and second Hall sensor is with the strong magnetic on the impeller
Position it is corresponding, and the strong magnetic energy enough cuts the induction coil.
2. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that the impeller is 6,
The strong magnetic is 6, and 6 strong magnetic are arranged alternately in the impeller same direction in the pole N and the pole S.
3. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that on the fixed frame also
It is provided with the first shielding case and secondary shielding cover, the control circuit is arranged in first shielding case and the secondary shielding cover
It is interior.
4. a kind of high-precision bidirectional measuring electronic water meter according to claim 3, which is characterized in that first shielding case
It is made of iron sheet；The secondary shielding cover is made of aluminium or copper foil, and described in first shielding case and the secondary shielding cover
Ground connection in shell of water flowmeter.
5. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that first Hall passes
Sensor and second Hall sensor are all made of bipolarity Hall sensor.
6. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that the lithium battery and institute
It states and is also connected with electric power management circuit between main control chip.
7. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that the main control chip is also
It is connected with temperature sensor.
8. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that the main control chip is also
It is connected with valve body control circuit.
9. a kind of high-precision bidirectional measuring electronic water meter according to claim 1, which is characterized in that the main control chip is also
It is connected with wireless communication line and infrared communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849962.8U CN208588421U (en) | 2018-06-04 | 2018-06-04 | High-precision bidirectional measuring electronic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849962.8U CN208588421U (en) | 2018-06-04 | 2018-06-04 | High-precision bidirectional measuring electronic water meter |
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| Publication Number | Publication Date |
|---|---|
| CN208588421U true CN208588421U (en) | 2019-03-08 |
Family
ID=65535967
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849962.8U Active CN208588421U (en) | 2018-06-04 | 2018-06-04 | High-precision bidirectional measuring electronic water meter |
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| CN (1) | CN208588421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426619A (en) * | 2018-06-04 | 2018-08-21 | 魏松涛 | High-precision bidirectional measuring electronic water meter |
-
2018
- 2018-06-04 CN CN201820849962.8U patent/CN208588421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426619A (en) * | 2018-06-04 | 2018-08-21 | 魏松涛 | High-precision bidirectional measuring electronic water meter |
| WO2019233388A1 (en) * | 2018-06-04 | 2019-12-12 | Wei Songtao | High-precision bidirectional meter for metering fluid |
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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: 20191009 Address after: 450000 East Qingshan Road, Hejiang South Road, Guancheng District, Zhengzhou City, Henan Province, Building 1, Unit 22, 2209 Patentee after: Feixiang Semiconductor Co., Ltd. Address before: 475400 132 Wei Wan Village, Wei Wan administrative village, Mao Zhuang Town, Taikang, Zhoukou, Henan Patentee before: Wei Song Tao |