CN109405901A - Hall flow meter - Google Patents
Hall flow meter Download PDFInfo
- Publication number
- CN109405901A CN109405901A CN201811416602.XA CN201811416602A CN109405901A CN 109405901 A CN109405901 A CN 109405901A CN 201811416602 A CN201811416602 A CN 201811416602A CN 109405901 A CN109405901 A CN 109405901A
- Authority
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- China
- Prior art keywords
- main casing
- outlet
- impeller
- flow meter
- hall
- 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 description 12
- 238000009434 installation Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 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
- G01F1/56—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 electric or magnetic effects
- G01F1/58—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 electric or magnetic effects by electromagnetic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The claimed Hall flow meter of the present invention; including main casing, impeller fixed frame, impeller, Hall element and outlet; the impeller is rotatably arranged in the main casing by the impeller fixed frame, wherein being provided with magnetic part on the blade of the impeller；The Hall element corresponds to the impeller and is arranged and fixes relative to the main casing, and the Hall element can incude the changes of magnetic field of the magnetic part caused by the wheel rotation；The outlet is removeably positioned on a side end face of the main casing, and is connected with the outlet on the main casing.The present invention eliminates wiring board box, the volume for reducing Hall flow meter entirety is played with this, and then be convenient for assembly of the Hall flow meter on access；The Hall flow meter realizes the modularization setting of main casing on the Hall flow meter simultaneously, and the Hall flow meter is applied widely, thereby reduces the corresponding production cost of enterprise.
Description
Technical field
The invention belongs to the relevant technical fields of fluid flowmeter, more particularly to a kind of Hall flow meter.
Background technique
Hall flow meter is a kind of based on displacement sensing, however fluid forces impeller rotates, and has magnet on impeller, generates
Magnetic field exchange, then revolving speed is fast greatly for flow velocity.Hall flow meter is widely used, and can be applied to community water supply faucet, water dispenser, coffee
Coffee machine rushes milk etc., can be realized the real-time statistics to flow.
Currently, existing Hall flow meter volume is larger, assembly space required for when assembly is corresponding is big, and Hall stream
Meter complicated integral structure is not easy to the assembly of Hall flow meter entirety；In addition, being used for the outlet of discharging liquid on Hall flow meter
Pipe is integral type with Hall flow meter, so that the outlet of different structure need to respectively correspond different Hall flow meters, thus
Improve the production cost of enterprise.
Summary of the invention
Based on this, it is necessary to for the technical problems in the prior art, provide a kind of Hall flow meter.
Specifically, a kind of Hall flow meter, including main casing, impeller fixed frame, impeller, Hall element and outlet, institute
It states impeller to be rotatably arranged in the main casing by the impeller fixed frame, wherein being arranged on the blade of the impeller
Be magnetic part；The Hall element corresponds to the impeller and is arranged and fixes relative to the main casing, the Hall element energy
Enough incude the changes of magnetic field of the magnetic part caused by the wheel rotation；The outlet is removeably positioned at institute
It states on a side end face of main casing, and is connected with the outlet on the main casing.
As a preferred solution of the present invention, the main casing and the outlet are attached solid in a manner of snapping connection
It is fixed.
As a preferred solution of the present invention, the main casing is provided with multiple buckles on the end face where outlet, described
Outlet is provided with connection panel in the side towards the main casing, and when the outlet is assemblied on the main casing
When, the connection panel sticks on the end face of the main casing, and is fixed with the buckle.
As a preferred solution of the present invention, the outlet is protruding relative to the connection faceplate part, the master
Shell opens up fluted in the periphery of outlet, and when the outlet is assemblied on the main casing, the outlet stretches out
In the partial insertion to the groove of the main casing of the connection panel, and it is connected with the outlet on the main casing.
As a preferred solution of the present invention, the outlet stretches out between the part and the main casing of the connection panel
It is provided with sealing ring.
As a preferred solution of the present invention, the main casing be arranged on the end face where outlet there are three buckle, wherein
Two buckles are oppositely arranged, and the upper of the perpendicular bisector of two buckles is arranged in another buckle.
As a preferred solution of the present invention, the Hall element includes that wiring board and the Hall on the wiring board are opened
It closes, offers an installation opening on the main casing, the wiring board is fixed in the installation opening of the main casing.
As a preferred solution of the present invention, the main casing offers multiple short slots on the part for offer installation opening.
As a preferred solution of the present invention, it is formed with a cavity inside the main casing, wherein the cavity of the main casing
It is inside provided with a partition, a through-hole is offered on the partition, and when liquid flows in the cavity of the main casing, by way of institute
The liquid for stating through-hole on partition is flowed out and is acted on the impeller, to drive the wheel rotation.
As a preferred solution of the present invention, the impeller fixed frame and the impeller prepared by polytetrafluoroethylene material and
At.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
Hall flow meter provided by the present invention compares existing skill by the way that Hall element to be directly anchored on main casing
Art eliminates wiring board box, the volume for reducing Hall flow meter entirety is played with this, and then exist convenient for the Hall flow meter
Assembly on access；Outlet and main casing detachable connection simultaneously, enable the Hall flow meter to share same main casing
Body, and different outlets is set according to use demand, the modularization setting of main casing on the Hall flow meter is realized with this, and
And the Hall flow meter is applied widely, thereby reduces the corresponding production cost of enterprise.
Detailed description of the invention
Fig. 1 is the exploded view of Hall flow meter provided by an embodiment of the present invention.
Fig. 2 is another angular views of the main casing of Hall flow meter in Fig. 1.
Fig. 3 is the impeller fixed frame of Hall flow meter and the assembling schematic diagram of impeller in Fig. 1.
Fig. 4 is the structure enlargement diagram of the impeller of Hall flow meter in Fig. 1.
Fig. 5 is another angular views of the outlet of Hall flow meter in Fig. 1.
Wherein, 10, main casing；11, it exports；12, partition；13, through-hole；14, convex ribs；15, installation opening；16, it buckles；17,
Groove；18, short slot；20, impeller fixed frame；21, bar groove；30, impeller；31, shaft；32, blade；33, magnetic part；40, Hall
Element；41, Hall switch；42, wiring board；43, wire connecting portion；50, outlet；51, panel is connected；52, sealing ring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Referring to Fig. 1, the Hall flow meter of an embodiment of the present invention, including main casing 10, impeller fixed frame 20, impeller
30, Hall element 40 and outlet 50.The main casing 10 has outlet 11, wherein the outlet 50 is arranged in the main casing
End face where the outlet 11 of body 10, and be connected with the main casing 10.
Referring to Figure 2 together, the main casing 10 be the Hall flow meter main structure, inside be formed with
Chamber offers a through-hole 13, liquid is in master wherein being provided with a partition 12 in the cavity of the main casing 10 on the partition 12
In the cavity of shell 10 when flowing, the outflow of the through-hole 13 on the partition 12 is simultaneously acted on the impeller 30, to drive
Move the rotation of the impeller 30.
It is appreciated that the main casing 10 is equipped with position limiting structure, for limiting impeller fixed frame 20, on impeller fixed frame 20
With corresponding position limiting structure, cooperation between main casing 10 and impeller fixed frame 20, connection and limit are realized in the two cooperation.
It is provided with convex ribs 14 in the cavity wall of 10 cavity of main casing, offers item on the side wall of the impeller fixed frame 20
Slot 21, the bar groove 14 match with the convex ribs 13.So that the impeller fixed frame 20 is inserted into the sky of the main casing 10
When chamber, the impeller fixed frame 20 can be inserted into the main casing 10 by the cooperation of bar groove 21 and the convex ribs 14,
Middle convex ribs 14 are slidably matched with the bar groove 21 of the impeller fixed frame 20 and can mutually abut, and on the one hand realize main casing 10
Circumferential direction limit to impeller fixed frame 20 disposed within, has on the other hand been also convenient for impeller fixed frame 20 in main casing 10
Assembly.Specifically, two convex ribs 13, the impeller fixed frame are symmetrically provided in the cavity wall of 10 cavity of main casing
20 are equipped with two bar grooves 21 corresponding to the convex ribs 13.It is appreciated that the number of the convex ribs 13 and the bar groove 21
Amount is not limited to embodiment illustrated, and the convex ribs 13 and item of respective numbers can be arranged in those skilled in the art according to demand
In addition, the bar groove 21 and the convex ribs 13 can be replaced mutually setting class is arranged in the impeller fixed frame 20 in slot 21
As convex ribs, and similar bar groove is set in the main casing 10.No longer repeat one by one.
Also referring to Fig. 3, the impeller 30 is arranged on the impeller fixed frame 20, and the impeller 30 is by the master
The liquid driven flowed in shell 10, can do the rotation relative to the impeller fixed frame 20.
Referring to Figure 4 together, it is respectively arranged with shaft 31 on two opposite ends of the impeller 30, and the impeller 30 passes through
The shaft 31 is arranged on the impeller fixed frame 20, realizes that the rotation between impeller 30 and impeller fixed frame 20 connects with this
It connects.Also that is, the impeller 30 is assemblied on the impeller fixed frame 20, it can be rotation centerline with the shaft 31, do phase
Rotary motion for the impeller fixed frame 20.
In the present embodiment, 4 blades 32, and 4 uniformly arrangements of blade 32 are provided on the impeller 30, wherein
The junction of blade 32 described in each adjacent two is respectively arranged with a magnetic part 33, so that 30 blade 32 of the impeller is flowed
When rotating on impeller fixed frame 20, magnetic part 33 follows the rotation of the blade 32 to generate magnetic field change for the driving of dynamic liquid
Change.It is appreciated that the magnetic part 33 generated magnetic field exchange when blade being followed to rotate, the rotation speed with blade 32, with
And the flow velocity of liquid corresponds in main casing 10, realizes survey of the Hall flow meter to fluid flow in main casing 10 with this
Amount.Wherein, the magnetic part 33 is preferably magnet.It is appreciated that the quantity and shape of the blade 4 are not limited to the implementation of diagram
Mode, in the case where can be realized the object of the invention, those skilled in the art can do other any conjunctions according to actual demand
Suitable variation or deformation.
As a preferred solution of the present invention, the impeller 30 and the impeller fixed frame 20 are by polytetrafluoroethylene material system
It is standby to form, so as to improve the wearability of the impeller 30 and impeller fixed frame 20, and then there is the work for improving the Hall flow meter
Precision, and extend the effect of the Hall flow meter service life.
The Hall element 40 includes wiring board 42 and the Hall switch 41 that is set on the wiring board 42, it is described suddenly
Your switch 41 is capable of the magnetic field signal of magnetic part 33 on blade 32 described in real-time reception, is realized with this on 10 cavity of main casing
The signal acquisition of the flow of the liquid of flowing；And the received magnetic field signal correspondence of institute can be switched to telecommunications by the Hall switch 41
Number, and it is sent to wiring board 42, so that wiring board 42 is by calculating the corresponding flow value for obtaining liquid in the main casing 10.
In present embodiment, the Hall element 40 further includes wire connecting portion 43, and the wire connecting portion 43 can be by the route
Plate connects external devices, such as power supply, processor etc., and the flow value can be by the processor to the letter of the Hall switch
It number is obtained through operation.It is appreciated that the processor can also be directly arranged on the wiring board 42, in such cases, suddenly
Your element 40 is not necessarily to connect ppu.
In the present embodiment, an installation opening 15 is offered on the main casing 10, specifically in the corresponding institute of the main casing 10
The position for stating impeller 30 opens up the installation opening 15, and the wiring board 42 is fixed in the installation opening 15 of the main casing,
In this implementation, the wiring board 42 is fixed in the installation opening 15 by glue.That is, the Hall flow of the present embodiment
The wiring board box (not shown) for being specifically used for assembly wiring board 42 and main casing can be integrated formula structure by meter, that is, eliminate
The wiring board box being independently arranged is played the volume for reducing Hall flow meter entirety with this, and then is convenient for the Hall flow meter
Assembly on access.
It is appreciated that in order to realize assembly of the wiring board 42 on main casing 10, the main casing 10 of the present embodiment is being arranged
There is the size of the part of impeller 30 to be greater than the size of other parts, the main casing 10 is again an integrally-molded by plastics,
Main casing 10 is offered multiple short slots 18 by the present embodiment on the part for being provided with impeller 30, to ensure that the main casing 10 is whole
Uniform wall thickness, on the one hand play the role of in this way save material, on the other hand also evaded because main casing 10 is on mold
After injection molding, " shrink " phenomenon occurs when due to 10 part of wall of main casing is too thick in depanning, and then ensure the main casing 10
Whole external aesthetics.It should be noted that " shrink " phenomenon of the main casing 10 refers to the main casing 10 because of part wall thickness
It is too thick and cause surface and pit occur, and cause to deform.
The outlet 50 is arranged on a side end face of the main casing 10 in a manner of removably, and with the main casing
Outlet 11 on body 10 is connected, so that the Hall flow meter is assemblied on access in use, can be connected with outlet 50 and access
It is logical, by the liquid in the main casing 10 by the outlet 50 toward being discharged on access.
In the present embodiment, 10 upper outlet of main casing, 11 institute is arranged in the outlet 50 in a manner of snapping connection
End face on.It is appreciated that the outlet 50 is snapped connection with the main casing 10, played with this convenient for the outlet
50 dismounting on main casing 10.
Please refer to fig. 5, the main casing 10 outlet 11 where end face on be provided with it is multiple buckle 16, it is described go out
Mouth pipe 50 is provided with connection panel 51 in the side towards the main casing 10, and when the outlet 50 is assemblied in the main casing
When on body 10, the connection panel 51 is sticked on the end face of the main casing 10, and is fixed with the buckle 16.
In the present embodiment, specifically there are three buckle 16, two of them cards for setting on the end face where outlet 11 for the main casing 10
Button 16 is oppositely arranged, another buckle 16 is arranged on the perpendicular bisector of two 16 lines of centres of the buckle, so as to improve master
Assembly intensity and assembly precision between shell 10 and outlet 50.It is appreciated that the buckle 16 is not limited to the reality of diagram
Mode is applied, buckle can be arranged on outlet 50 according to demand by those skilled in the art, in addition, the quantity of the buckle 16
It is also not necessarily limited to embodiment illustrated, the quantity for buckling 16 specifically may be configured as two, four or even more.No longer go to live in the household of one's in-laws on getting married one by one
It states.
Further, the outlet 50 is protruding relative to 51 parts of the connection panel, and the main casing 10 exists
The periphery of outlet 11 opens up fluted 17, and when the outlet 50 is assemblied on the main casing 10, the outlet 50
Stretch out it is described connection panel 51 partial insertion to the groove 17 of the main casing 10 in, and with the outlet on the main casing 10
11 connections.That is, 17 energy of groove when the outlet 50 of the present embodiment is assemblied on main casing 10, on the main casing 10
It is enough that the outlet 50 being inserted into the groove 17 is limited in radial directions, it further increases main casing 10 with this and goes out
Assembly intensity between mouth pipe 50.
Wherein, the outlet 50, which stretches out between the part and the main casing 10 for connecting panel 51, is provided with sealing
52 are enclosed, and realizes the communication seals between 10 upper outlet 11 of outlet 50 and main casing with sealing ring 52.
To sum up, Hall flow meter provided by the present invention, by the way that wiring board to be directly anchored on main casing, compared to existing
Technology eliminates wiring board box, the volume for reducing Hall flow meter entirety is played with this, and then be convenient for the Hall flow meter
Assembly on access；Outlet and main casing detachable connection simultaneously, enable the Hall flow meter to share same master
Shell, and different outlets is set according to use demand, the modularization setting of main casing on the Hall flow meter is realized with this,
And the Hall flow meter is applied widely, thereby reduces the corresponding production cost of enterprise.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of Hall flow meter, it is characterised in that: including main casing, impeller fixed frame, impeller, Hall element and outlet,
The impeller is rotatably arranged in the main casing by the impeller fixed frame, wherein setting on the blade of the impeller
It is equipped with magnetic part；The Hall element corresponds to the impeller and is arranged and fixes relative to the main casing, the Hall element
The changes of magnetic field of the magnetic part caused by the wheel rotation can be incuded；The outlet is removeably positioned at
On one side end face of the main casing, and it is connected with the outlet on the main casing.
2. Hall flow meter according to claim 1, it is characterised in that: the main casing and the outlet are with the company of buckle
The mode connect is attached fixation.
3. Hall flow meter according to claim 2, it is characterised in that: the main casing is set on the end face where outlet
Multiple buckles are equipped with, the outlet is provided with connection panel in the side towards the main casing, and when the outlet fills
When fitting on the main casing, the connection panel is sticked on the end face of the main casing, and is limited with the buckle
It is fixed.
4. Hall flow meter according to claim 3, it is characterised in that: the outlet is relative to the connection panel part
It is point protruding, the main casing opened up in the periphery of outlet it is fluted, and when the outlet is assemblied on the main casing
When, the outlet stretch out it is described connection panel partial insertion to the groove of the main casing in, and on the main casing
Outlet be connected.
5. Hall flow meter according to claim 4, it is characterised in that: the outlet stretches out the portion of the connection panel
Divide and is provided with sealing ring between the main casing.
6. Hall flow meter according to claim 3, it is characterised in that: the main casing is set on the end face where outlet
It sets there are three buckle, two of them buckle is oppositely arranged, and the upper of the perpendicular bisector of two buckles is arranged in another buckle.
7. Hall flow meter according to claim 1, it is characterised in that: the Hall element include wiring board and be set to institute
The Hall switch on wiring board is stated, an installation opening is offered on the main casing, the wiring board is fixed at the main casing
In the installation opening of body.
8. Hall flow meter according to claim 7, it is characterised in that: the main casing is in the part for offering installation opening
On offer multiple short slots.
9. Hall flow meter according to claim 1, it is characterised in that: a cavity is formed with inside the main casing,
Described in main casing cavity in be provided with a partition, a through-hole is offered on the partition, and liquid is in the main casing
It in cavity when flowing, flows out and is acted on the impeller by way of the liquid of through-hole on the partition, to drive the impeller to turn
It is dynamic.
10. Hall flow meter according to claim 9, it is characterised in that: the impeller fixed frame and the impeller by
Polytetrafluoroethylene material is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416602.XA CN109405901A (en) | 2018-11-26 | 2018-11-26 | Hall flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416602.XA CN109405901A (en) | 2018-11-26 | 2018-11-26 | Hall flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109405901A true CN109405901A (en) | 2019-03-01 |
Family
ID=65455557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811416602.XA Pending CN109405901A (en) | 2018-11-26 | 2018-11-26 | Hall flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109405901A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440081U (en) * | 2009-07-01 | 2010-04-21 | 广东万和新电气股份有限公司 | Water flow sensor for gas heater |
| CN201731898U (en) * | 2010-07-26 | 2011-02-02 | 杨迎龙 | Rotating wheel flow meter |
| CN104428632A (en) * | 2012-07-02 | 2015-03-18 | 迪格梅萨股份公司 | Flowmeter |
| CN104848902A (en) * | 2014-02-18 | 2015-08-19 | 伊利诺斯工具制品有限公司 | Water-carrying capacity sensing component, water-carrying capacity sensor and water heater installing with water-carrying capacity sensor |
| CN106123972A (en) * | 2016-07-15 | 2016-11-16 | 东莞辉奥电器有限公司 | A kind of combination water tank joint |
| CN206772363U (en) * | 2017-05-16 | 2017-12-19 | 汪长忠 | A kind of miniature pneumatic sensor |
| CN108627210A (en) * | 2018-07-04 | 2018-10-09 | 台州白山机电有限公司 | A kind of flow counting sensor module |
| CN207963971U (en) * | 2018-04-08 | 2018-10-12 | 杭州湘君电子有限公司 | A kind of slotting small-sized flow sensor being in charge of in both ends |
| CN209102157U (en) * | 2018-11-26 | 2019-07-12 | 宁波佳音机电科技股份有限公司 | Hall flow meter |
-
2018
- 2018-11-26 CN CN201811416602.XA patent/CN109405901A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440081U (en) * | 2009-07-01 | 2010-04-21 | 广东万和新电气股份有限公司 | Water flow sensor for gas heater |
| CN201731898U (en) * | 2010-07-26 | 2011-02-02 | 杨迎龙 | Rotating wheel flow meter |
| CN104428632A (en) * | 2012-07-02 | 2015-03-18 | 迪格梅萨股份公司 | Flowmeter |
| CN104848902A (en) * | 2014-02-18 | 2015-08-19 | 伊利诺斯工具制品有限公司 | Water-carrying capacity sensing component, water-carrying capacity sensor and water heater installing with water-carrying capacity sensor |
| CN106123972A (en) * | 2016-07-15 | 2016-11-16 | 东莞辉奥电器有限公司 | A kind of combination water tank joint |
| CN206772363U (en) * | 2017-05-16 | 2017-12-19 | 汪长忠 | A kind of miniature pneumatic sensor |
| CN207963971U (en) * | 2018-04-08 | 2018-10-12 | 杭州湘君电子有限公司 | A kind of slotting small-sized flow sensor being in charge of in both ends |
| CN108627210A (en) * | 2018-07-04 | 2018-10-09 | 台州白山机电有限公司 | A kind of flow counting sensor module |
| CN209102157U (en) * | 2018-11-26 | 2019-07-12 | 宁波佳音机电科技股份有限公司 | Hall flow meter |
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