CN109631966A - A kind of electromagnetic induction water flow sensing unit - Google Patents
A kind of electromagnetic induction water flow sensing unit Download PDFInfo
- Publication number
- CN109631966A CN109631966A CN201811609440.1A CN201811609440A CN109631966A CN 109631966 A CN109631966 A CN 109631966A CN 201811609440 A CN201811609440 A CN 201811609440A CN 109631966 A CN109631966 A CN 109631966A
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- China
- Prior art keywords
- half chamber
- coil
- sensing unit
- water flow
- electromagnetic induction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/54—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/56—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using electric or magnetic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
A kind of electromagnetic induction water flow sensing unit, including pedestal, half chamber cover of top and impeller, pedestal is equipped with half chamber of bottom, the water inlet interface communicated with half chamber of bottom and the water outlet mouthpiece communicated with half chamber of bottom, and water inlet interface is equipped with temperature sensor, and the two sidewalls of half chamber of bottom are equipped with half axis hole；It pushes up half chamber cover to fasten equipped with half axis hole, half chamber cover of top and half chamber of bottom, further includes left coil and right coil；The left coil that left coil is located on the left side wall of half chamber cover of top is intracavitary, and right coil is located in the right coil bore on the right side wall of half chamber cover of top；Or the left coil that left coil is located on the left side wall of half chamber of bottom is intracavitary, right coil is located in the right coil bore on the right side wall of half chamber of bottom；The blade of the impeller plays separated magnetic effect, and blade, after magnetic, when left and right coil is relative between adjacent two blades, generates magnetic induction between left and right coil.Due to using such structure, by sensing magnetic induction, precision is improved, service life is extended.
Description
Technical field
The present invention relates to a kind of water flow sensing units of electric heater.
Background technique
Currently available technology, a kind of electromagnetic induction water flow sensing unit, including pedestal, top half chamber cover, impeller, hall sensing
Device and magnetic part, pedestal are equipped with half chamber of bottom, the water inlet interface communicated with half chamber of bottom and the water outlet mouthpiece communicated with half chamber of bottom,
Water inlet interface is equipped with temperature sensor, and the two sidewalls of half chamber of bottom are equipped with half axis hole；It pushes up half chamber cover and is equipped with half axis hole,
It pushes up half chamber cover and half chamber of bottom fastens.There are problems to be: being influenced by water quality, precision is low.
Summary of the invention
The object of the present invention is to provide a kind of electromagnetic induction water flow sensing unit, there is no magnetic part in pipeline, it is not by water quality
It influences, keeps precision, long service life.
The present invention is implemented as follows: a kind of electromagnetic induction water flow sensing unit, including pedestal, half chamber cover of top, impeller and
Outer cover is shielded, pedestal is equipped with half chamber of bottom, the water inlet interface communicated with half chamber of bottom and the water outlet mouthpiece communicated with half chamber of bottom,
Water inlet interface is equipped with temperature sensor, and the two sidewalls of half chamber of bottom are equipped with half axis hole；It pushes up half chamber cover and is equipped with half axis hole,
It pushes up half chamber cover and half chamber of bottom fastens, be characterized in that further include left coil and right coil；
The left coil that left coil is located on the left side wall of half chamber cover of top is intracavitary, and right coil is located at the right side of half chamber cover of top
In right coil bore on wall；Or the left coil that left coil is located on the left side wall of half chamber of bottom is intracavitary, right coil is located at half chamber of bottom
In right coil bore on the right side wall of room；
The blade of the impeller plays separated magnetic effect, blade between left and right coil after magnetic, left and right coil relative to
When between adjacent two blades, magnetic induction is generated.
A kind of electromagnetic induction water flow sensing unit, is characterized in that the blade of the impeller by plastic material
It is made.
A kind of electromagnetic induction water flow sensing unit, is characterized in that the blade surface of the impeller is covered with
Aluminium foil.
A kind of electromagnetic induction water flow sensing unit, be characterized in that the blade of the impeller by aluminium flake copper or
Tin is made, and plastic material is wrapped up on surface.
A kind of electromagnetic induction water flow sensing unit, is characterized in that further include shielding box, the pedestal, top
Half chamber cover is located in shielding box.
A kind of electromagnetic induction water flow sensing unit of the present invention, by sensing magnetic induction, is improved due to using such structure
Precision extends service life.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is A-A view of Fig. 1.
Fig. 3 is cross-sectional view of the invention.
Fig. 4 is circuit diagram of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of electromagnetic induction water flow sensing unit, including pedestal 1, half chamber cover 2 of top and impeller 3, pedestal 1 are set
There are half chamber 11 of bottom, the water inlet interface 12 communicated with half chamber of bottom and the water outlet mouthpiece 13 communicated with half chamber of bottom, water inlet interface
It is equipped with temperature sensor 14, the two sidewalls of half chamber 11 of bottom are equipped with half axis hole；Half chamber cover 2 is pushed up equipped with half axis hole, top
Half chamber cover 2 is fastened with half chamber 11 of bottom.
It further include left coil 41 and right coil 42；
As shown in figure 3, the left coil that left coil 41 is located on the left side wall of half chamber 11 of bottom is intracavitary, right coil 42 is located at bottom
In right coil bore on the right side wall of half chamber 11；
Or the left coil that left coil 41 is located on the left side wall of half chamber cover of top is intracavitary, right coil 42 is located at half chamber cover of top
Right side wall on right coil bore in；
The blade of the impeller 3 plays separated magnetic effect, and blade is between left and right coil 41,42 after magnetic, left and right coil
41,42 relative between adjacent two blades when, generate magnetic induction.
The blade of the impeller 3 is made of plastic material.
The blade surface of the impeller is covered with aluminium foil.
The blade of the impeller is made of aluminium flake copper or tin, and plastic material is wrapped up on surface.
It further include shielding box, the pedestal 1, half chamber cover 2 of top are located in shielding box.Using such structure, Ke Yishi
Now prevent extraneous magnetic disturbance.
Left coil L1 connects pulse direct current, generates oscillation, and signal is driven single-chip microcontroller U by right coil L2.
Above-described is only preferred embodiments of the invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the principles of the present invention, it can also make several improvements and modification, this is also considered as of the invention
Protection scope.
Claims (5)
1. a kind of electromagnetic induction water flow sensing unit, including pedestal, half chamber cover of top and impeller, pedestal are equipped with half chamber of bottom and bottom
The water inlet interface and the water outlet mouthpiece communicated with half chamber of bottom that half chamber communicates, water inlet interface are equipped with temperature sensor, bottom half
The two sidewalls of chamber are equipped with half axis hole；Half chamber cover is pushed up to fasten equipped with half axis hole, half chamber cover of top and half chamber of bottom, it is special
Sign is: further including left coil and right coil；
The left coil that left coil is located on the left side wall of half chamber cover of top is intracavitary, and right coil is located on the right side wall of half chamber cover of top
Right coil bore in；Or the left coil that left coil is located on the left side wall of half chamber of bottom is intracavitary, right coil is located at half chamber of bottom
In right coil bore on right side wall；
The blade of the impeller plays separated magnetic effect, and blade is after magnetic between left and right coil, and left and right coil is relative to adjacent
When between two blades, magnetic induction is generated.
2. a kind of electromagnetic induction water flow sensing unit according to claim 1, it is characterised in that: the blade of the impeller is by moulding
Material material is made.
3. a kind of electromagnetic induction water flow sensing unit according to claim 1, it is characterised in that: the blade surface of the impeller
It is covered with aluminium foil.
4. a kind of electromagnetic induction water flow sensing unit according to claim 1, it is characterised in that: the blade of the impeller is by aluminium
Piece copper or tin are made, and plastic material is wrapped up on surface.
5. a kind of electromagnetic induction water flow sensing unit according to claim 1,2,3 or 4, it is characterised in that: further include shielding
Box, the pedestal, half chamber cover of top are located in shielding box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609440.1A CN109631966A (en) | 2018-12-27 | 2018-12-27 | A kind of electromagnetic induction water flow sensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609440.1A CN109631966A (en) | 2018-12-27 | 2018-12-27 | A kind of electromagnetic induction water flow sensing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109631966A true CN109631966A (en) | 2019-04-16 |
Family
ID=66078266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811609440.1A Pending CN109631966A (en) | 2018-12-27 | 2018-12-27 | A kind of electromagnetic induction water flow sensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631966A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW440109U (en) * | 1998-02-10 | 2001-06-07 | Shie Chung Guang | Rotational generator device |
| CN2557923Y (en) * | 2002-08-19 | 2003-06-25 | 栗宏刚 | Generating type flow measurer |
| CN101355287A (en) * | 2007-07-24 | 2009-01-28 | 余世一 | Inertia permanent magnet generator |
| CN201209438Y (en) * | 2008-06-12 | 2009-03-18 | 刘东清 | High-pressure turbine flow cementing simulation instrument |
| CN201811760U (en) * | 2010-08-30 | 2011-04-27 | 中山市汉功电器有限公司 | Infrared water flow detection device for electric water heater |
| CN202836635U (en) * | 2012-09-29 | 2013-03-27 | 宁波市科奥流量仪表有限公司 | Plastic impeller flow meter |
| CN105387897A (en) * | 2015-11-20 | 2016-03-09 | 北京俊宇通科技有限公司 | Measuring device, measuring equipment, measuring method and magnetic treating and measuring equipment |
| CN205373785U (en) * | 2016-01-13 | 2016-07-06 | 樱花卫厨（中国）股份有限公司 | Knowledge ware is examined to discharge |
| CN106052768A (en) * | 2016-08-04 | 2016-10-26 | 东莞市倍益清环保科技有限公司 | Flow meter for metering flow of water purifier |
| CN206990018U (en) * | 2017-06-05 | 2018-02-09 | 中山市领锋电器有限公司 | A kind of Photoinduction type waterflow sensor of electric heater |
| CN209296013U (en) * | 2018-12-27 | 2019-08-23 | 中山市汉功电器科技有限公司 | A kind of electromagnetic induction water flow sensing unit |
-
2018
- 2018-12-27 CN CN201811609440.1A patent/CN109631966A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW440109U (en) * | 1998-02-10 | 2001-06-07 | Shie Chung Guang | Rotational generator device |
| CN2557923Y (en) * | 2002-08-19 | 2003-06-25 | 栗宏刚 | Generating type flow measurer |
| CN101355287A (en) * | 2007-07-24 | 2009-01-28 | 余世一 | Inertia permanent magnet generator |
| CN201209438Y (en) * | 2008-06-12 | 2009-03-18 | 刘东清 | High-pressure turbine flow cementing simulation instrument |
| CN201811760U (en) * | 2010-08-30 | 2011-04-27 | 中山市汉功电器有限公司 | Infrared water flow detection device for electric water heater |
| CN202836635U (en) * | 2012-09-29 | 2013-03-27 | 宁波市科奥流量仪表有限公司 | Plastic impeller flow meter |
| CN105387897A (en) * | 2015-11-20 | 2016-03-09 | 北京俊宇通科技有限公司 | Measuring device, measuring equipment, measuring method and magnetic treating and measuring equipment |
| CN205373785U (en) * | 2016-01-13 | 2016-07-06 | 樱花卫厨（中国）股份有限公司 | Knowledge ware is examined to discharge |
| CN106052768A (en) * | 2016-08-04 | 2016-10-26 | 东莞市倍益清环保科技有限公司 | Flow meter for metering flow of water purifier |
| CN206990018U (en) * | 2017-06-05 | 2018-02-09 | 中山市领锋电器有限公司 | A kind of Photoinduction type waterflow sensor of electric heater |
| CN209296013U (en) * | 2018-12-27 | 2019-08-23 | 中山市汉功电器科技有限公司 | A kind of electromagnetic induction water flow sensing unit |
Non-Patent Citations (1)
| Title |
|---|
| 段树林: "《船舶动力装置测试技术》", 大连海事大学出版社, pages: 81 * |
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