CN107270976A - A kind of intelligent flow meter - Google Patents
A kind of intelligent flow meter Download PDFInfo
- Publication number
- CN107270976A CN107270976A CN201710613531.1A CN201710613531A CN107270976A CN 107270976 A CN107270976 A CN 107270976A CN 201710613531 A CN201710613531 A CN 201710613531A CN 107270976 A CN107270976 A CN 107270976A
- Authority
- CN
- China
- Prior art keywords
- housing
- flow meter
- rotary blade
- intelligent flow
- small magnet
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling 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
- G01F1/075—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 with magnetic or electromagnetic coupling to the indicating device
- G01F1/0755—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 with magnetic or electromagnetic coupling to the indicating device with magnetic coupling only in a mechanical transmission path
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of intelligent flow meter, the flowmeter includes the first housing, and first housing is provided with one by liquid inlet and the fluid passage connected above and below liquid outlet；Rotary blade, the rotary blade is fixedly mounted in the fluid passage in the first shell body；Small magnet, the small magnet is set and on the rotary blade according to south poles towards consistent, and the setting quantity of the small magnet is even number；And TMR magnetic sensors, the TMR magnetic sensors are arranged on the outside of first housing.Compared with prior art, the present invention has that power consumption is small, and small volume, long lifespan is easy for installation, and is easy to cleaning, the advantages of flow or high flow relocity calculation precision.
Description
Technical field
The present invention relates to a kind of flowmeter, and in particular to a kind of intelligent flow meter of use TMR magnetic sensors.
Background technology
Hall sensor in existing intelligent flow meter is generally low power consumption switch type Hall integrated component, and the sensor is utilized
Hall effect, realizes that magnetoelectricity is changed, so that by the cyclically-varying for being converted into magnetic field of intelligent flow random encounter amount element,
So as to which the change in magnetic field to be converted into the output of low and high level.But from the point of view of the consumption reduction principle of Hall element, for power consumption figure
For the Hall sensor of 10 microwatts, its response frequency is generally 20~30Hz, and intelligent flow meter, particularly intellectual water meter is first
The rotational frequency of level measuring element is usually 30Hz, and therefore, low-power consumption Hall element is generally used for the stream of secondary metrology element
Signal acquisition is measured, and is not suitable for the application in intellectual water meter field；Also, sensed using Hall element as the magnetic of sensing element
Device amplifies magnetic field usually using magnetism gathering rings structure, improves Hall output sensitivity, so as to add the volume and again of sensor
Amount, while Hall element has power consumption big, the defect of poor linearity.
TMR (Tunnel Magneto Resistance) magnetic sensor is the New Magnetic Field Controlled for starting commercial Application in recent years
Electricresistance effect sensor, its using be that the tunneling magnetoresistance of Researches for Magnetic Multilayer Films senses to magnetic field, TMR elements
There is more preferable temperature stability relative to Hall element, higher sensitivity, lower power consumption, the more preferable linearity, and not
Need extra magnetism gathering rings structure.
The content of the invention
For the shortcoming or deficiency of above-mentioned prior art, the technical problem to be solved in the present invention is to provide a kind of power consumption is micro-
Small, small volume, long lifespan is easy for installation, and is easy to cleaning, flow or the high intelligent flow meter of flow relocity calculation precision.
In order to solve the above technical problems, the present invention has following composition：
A kind of intelligent flow meter, the flowmeter includes the first housing, first housing provided with one by liquid inlet and
The fluid passage connected above and below liquid outlet；Rotary blade, the rotary blade is fixedly mounted on the institute in the first shell body
State in fluid passage；Small magnet, the small magnet is set and on the rotary blade according to south poles towards consistent, and
The setting quantity of the small magnet is even number；And TMR magnetic sensors, the TMR magnetic sensors are arranged on described
The outside of one housing.
The small magnet symmetrically is laid on the rotary blade.
The rotary blade is fixedly mounted on the inside of first housing by support.
The TMR magnetic sensors are set on the second housing, and second housing is arranged on the outer of first housing
Side.
The TMR magnetic sensors include sensor chip, the data transceiving unit that is connected with the sensor chip and
Data display unit；The sensor chip, data transceiving unit and data display unit are electrical with PMU
Connection.
The data transceiving unit receives wireless and/or line communication signal.
A kind of container for holding liquid, including the intelligent flow meter, the flowmeter are arranged on inside the container.
A kind of measurement meter for measuring fluid flow, including the intelligent flow meter, the flowmeter are arranged on the measurement
Meter is internal.
Compared with prior art, the present invention has the following technical effect that：
The present invention is small with power consumption, and small volume, long lifespan is easy for installation, and is easy to cleaning, can prevent from reversing keeping away
The advantages of exempting from erroneous calculations flow；
The present invention uses TMR magnetic sensors, and the TMR magnetic sensors have more preferable temperature stability, higher
Sensitivity, lower power consumption, the more preferable linearity, and do not need extra magnetism gathering rings structure etc.；
Small magnet is set to even number and symmetrically is laid on the rotary blade in the present invention, is easy to pivoting leaf
Take turns the centrifugal force that each small magnet is subject to when rotation identical, led so as to reduce because of centrifugal force difference or discontinuity
Cause the generation of idle running；
Small magnet south poles are fixed on rotary blade (South Pole of small magnet or direction to the north pole towards consistent in the present invention
Set towards TMR magnetic sensors), the generation of the calculation error caused by south poles are inconsistent can be effectively prevented from.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1：The structural representation of intelligent flow meter of the present invention.
Embodiment
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
As shown in figure 1, a kind of intelligent flow meter of the present embodiment, the flowmeter include the first housing 10, rotary blade 20,
Small magnet 30 and TMR magnetic sensors 40.The present invention is small with power consumption, and small volume, long lifespan is easy for installation, and is easy to
Cleaning, the advantages of can preventing from reversing and erroneous calculations flow can be avoided.
First housing 10 is provided with a fluid passage for connecting liquid inlet 11 about 12 with liquid outlet, the rotation
Rotary impeller 20 is fixedly mounted in the fluid passage in first housing 10, and the small magnet 30 is according to south poles direction
It is consistent to set and on the rotary blade 20, and the setting quantity of the small magnet 30 is even number, the TMR magnetic
Sensor 40 is arranged on the outside of first housing 10.The TMR magnetic sensors have more preferable temperature stability, higher
Sensitivity, lower power consumption, the more preferable linearity, and do not need extra magnetism gathering rings structure etc..
The reasonable design of the installation position of the liquid inlet 11 and liquid outlet 12, can be effectively prevented from rotary blade 20
Phenomenon is reversed in generation.
Small magnet south poles are fixed on the rotary blade (the South Pole or the arctic of small magnet towards consistent in the present invention
Direction is set towards TMR magnetic sensors), it can efficiently avoid and be calculated caused by south poles are inconsistent towards setting
The generation of error.Reason is：The small magnet, which often rotates a circle, could obtain once complete pulse, as a N of small magnet
Pole and a S poles towards the TMR magnetic sensors set when, the possibility that error occurs greatly, for example only have rotated half-turn
Also a circle is calculated at last, so as to cause the possibilities for calculating or calculating less more.
The small magnet 30 symmetrically is laid on the rotary blade 20.The small magnet be set to even number and
Symmetrically it is laid on the rotary blade, is easy to the rotary blade centrifugal force that each small magnet is subject to when rotation
It is identical, so that reduce causes the generation of idle running because of centrifugal force difference or discontinuity, improve the computational accuracy of flowmeter.
The rotary blade 20 is fixedly mounted on the inside of first housing 10, the rotary blade 20 by support 21
Mounting means be not limited to above-mentioned fixed installation, carrying out the connected mode such as clamping using other auxiliary installation pieces can also realize
Fixed, it is flexible and changeable to be fixedly mounted mode, can be properly selected according to the need for practical application scene.
The TMR magnetic sensors 40 are arranged on the second housing 50, and second housing 50 is arranged on the first shell
The outside of body 10.First housing 10 and second housing 50 are independently arranged, and are the electrical equipment inside second housing 50
Element provides separate space, can be effectively prevented from directly contacting with water and damaging electric elements.
The data transceiving unit that the TMR magnetic sensors 40 include sensor chip, are connected with the sensor chip
And data display unit；The sensor chip, data transceiving unit and data display unit are electric with PMU
Property connection, the data transceiving unit receives wireless and/or line communication signal.
The operation principle of the present invention：
When there is tested working fluid to enter first housing 10 from liquid inlet 11, working fluid drives rotary blade
20 rotations, the small magnet 30 being arranged on the rotary blade 20 rotates, is arranged in second housing 50 simultaneously
The magnetic field of the TMR magnetic sensors 50 sensing rotation small magnet 30, obtains corresponding number of pulses, and reach calculating flow and
Flow velocity purpose.
The application scenarios of intelligent flow meter of the present invention widely, such as：
A kind of container for holding liquid, including the intelligent flow meter, the flowmeter hold liquid installed in described
Container inner wall.The container such as cup, the water dispenser that hold liquid, the container for holding beer or beverage etc..
A kind of measurement meter for measuring fluid flow, including the intelligent flow meter, the flowmeter are arranged on the measurement
Meter is internal, the measurement meter such as water meter.
The intelligent flow meter of the present invention also can be applicable to the places such as water dispenser, and application is wider.
Intelligent flow meter of the present invention has power consumption small, small volume, and long lifespan is easy for installation, and be easy to cleaning, flow or
The advantages of flow relocity calculation precision is high, therefore, the present invention have good market application foreground.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is non-limiting, reference only to preferred embodiment to this hair
It is bright to be described in detail.It will be understood by those within the art that, technical scheme can be modified
Or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover in scope of the presently claimed invention
It is interior.
Claims (8)
1. a kind of intelligent flow meter, it is characterised in that
The flowmeter includes one first housing (10), and first housing (10) is provided with one by liquid inlet (11) and liquid discharge
The fluid passage that mouth (12) is connected up and down；
Rotary blade (20), the rotary blade (20) is fixedly mounted on the fluid passage in first housing (10)
In；
Small magnet (30), the small magnet (30) is set and installed in the rotary blade (20) according to south poles towards consistent
On, and the setting quantity of the small magnet (30) is even number；
And TMR magnetic sensors (40), the TMR magnetic sensors (40) are arranged on the outside of first housing (10).
2. intelligent flow meter according to claim 1, it is characterised in that the small magnet (30) symmetrically is laid in
On the rotary blade (20).
3. intelligent flow meter according to claim 1 or 2, it is characterised in that the rotary blade (20) passes through support
(21) it is fixedly mounted on the inside of first housing (10).
4. intelligent flow meter according to claim 1, it is characterised in that the TMR magnetic sensors (40) are arranged on
On two housings (50), second housing (50) is arranged on the outside of first housing (10).
5. the intelligent flow meter according to claim 1 or 4, it is characterised in that the TMR magnetic sensors (40) include passing
Sensor chip, the data transceiving unit being connected with the sensor chip and data display unit；The sensor chip, data
Transmit-Receive Unit and data display unit are electrically connected with PMU.
6. intelligent flow meter according to claim 5, it is characterised in that the data transceiving unit is received wireless and/or had
Line signal of communication.
7. a kind of container for holding liquid, it is characterised in that including intelligent flow meter as claimed in claim 1, the flow
Meter is arranged on inside the container.
8. a kind of measurement meter for measuring fluid flow, it is characterised in that including intelligent flow meter as claimed in claim 1, institute
State flowmeter and be arranged on the measurement meter inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613531.1A CN107270976A (en) | 2017-07-25 | 2017-07-25 | A kind of intelligent flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613531.1A CN107270976A (en) | 2017-07-25 | 2017-07-25 | A kind of intelligent flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107270976A true CN107270976A (en) | 2017-10-20 |
Family
ID=60079119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613531.1A Pending CN107270976A (en) | 2017-07-25 | 2017-07-25 | A kind of intelligent flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107270976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018116204A1 (en) | 2018-07-04 | 2020-01-09 | Apiform Gmbh | Device for measuring flow in a disinfectant dispenser |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202248A (en) * | 2002-01-07 | 2003-07-18 | Mitsubishi Rayon Co Ltd | Flow rate detector for water purifier |
| JP2003307433A (en) * | 2002-04-15 | 2003-10-31 | Honda Motor Co Ltd | Pulse generator integrated with rotor angle sensor |
| JP2006317336A (en) * | 2005-05-13 | 2006-11-24 | Mitsubishi Electric Corp | Permanent magnet type rotation sensor |
| CN101871801A (en) * | 2010-06-01 | 2010-10-27 | 王建国 | Intelligent flow meter adopting TMR (Tele Meter Reading) magnetic sensor |
| CN202748070U (en) * | 2012-05-15 | 2013-02-20 | 江苏正本净化节水科技实业有限公司 | Flow sensor |
| DE202013002308U1 (en) * | 2013-03-11 | 2013-03-27 | Christian Gradischnik | Device for flow measurement |
| CN204007724U (en) * | 2014-05-09 | 2014-12-10 | 上海星空自动化仪表有限公司 | A kind of magneto-electric angie type vortex shedding flow meter |
| CN204101099U (en) * | 2014-08-07 | 2015-01-14 | 成都前锋电子有限责任公司 | A kind of water flow sensor with inflow water rectifying device |
| CN205561929U (en) * | 2016-04-08 | 2016-09-07 | 高台县聚庆新能源设备有限公司 | Impeller flowmeter |
| CN205754259U (en) * | 2016-03-21 | 2016-11-30 | 重庆交通大学 | Water flow sensing unit |
| CN207163506U (en) * | 2017-07-25 | 2018-03-30 | 上海小寻科技有限公司 | A kind of intelligent flow meter |
-
2017
- 2017-07-25 CN CN201710613531.1A patent/CN107270976A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202248A (en) * | 2002-01-07 | 2003-07-18 | Mitsubishi Rayon Co Ltd | Flow rate detector for water purifier |
| JP2003307433A (en) * | 2002-04-15 | 2003-10-31 | Honda Motor Co Ltd | Pulse generator integrated with rotor angle sensor |
| JP2006317336A (en) * | 2005-05-13 | 2006-11-24 | Mitsubishi Electric Corp | Permanent magnet type rotation sensor |
| CN101871801A (en) * | 2010-06-01 | 2010-10-27 | 王建国 | Intelligent flow meter adopting TMR (Tele Meter Reading) magnetic sensor |
| CN202748070U (en) * | 2012-05-15 | 2013-02-20 | 江苏正本净化节水科技实业有限公司 | Flow sensor |
| DE202013002308U1 (en) * | 2013-03-11 | 2013-03-27 | Christian Gradischnik | Device for flow measurement |
| CN204007724U (en) * | 2014-05-09 | 2014-12-10 | 上海星空自动化仪表有限公司 | A kind of magneto-electric angie type vortex shedding flow meter |
| CN204101099U (en) * | 2014-08-07 | 2015-01-14 | 成都前锋电子有限责任公司 | A kind of water flow sensor with inflow water rectifying device |
| CN205754259U (en) * | 2016-03-21 | 2016-11-30 | 重庆交通大学 | Water flow sensing unit |
| CN205561929U (en) * | 2016-04-08 | 2016-09-07 | 高台县聚庆新能源设备有限公司 | Impeller flowmeter |
| CN207163506U (en) * | 2017-07-25 | 2018-03-30 | 上海小寻科技有限公司 | A kind of intelligent flow meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018116204A1 (en) | 2018-07-04 | 2020-01-09 | Apiform Gmbh | Device for measuring flow in a disinfectant dispenser |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180703 Address after: 200241 Shanghai Minhang District Purple Star Road No. 588, room 4015, room 2 Applicant after: Zhen ten information technology (Shanghai) Co., Ltd. Address before: 200233 D, 2 / F, 9 Building (1 building), 401 Caobao Road, Xuhui District, Shanghai. Applicant before: Shanghai Search Technology Co., Ltd. |