CN105890682A - Electromagnetic induction flowmeter - Google Patents
Electromagnetic induction flowmeter Download PDFInfo
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- CN105890682A CN105890682A CN201510032564.8A CN201510032564A CN105890682A CN 105890682 A CN105890682 A CN 105890682A CN 201510032564 A CN201510032564 A CN 201510032564A CN 105890682 A CN105890682 A CN 105890682A
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- Prior art keywords
- rotor
- electromagnetic induction
- magnetic
- helical gear
- effusion meter
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Abstract
The invention discloses an electromagnetic induction flowmeter, relates to the technical field of a water treatment machine and a beverage dispenser, and particularly relates to the field of a household water filter. The electromagnetic induction flowmeter comprises a shell (12), a front support (11), a rotor wing (10), a magnetic body (15), a rear support (16), a shaft pin (14) and an electromagnetic induction element (9), is characterized in that the rotor wing (10) is in a spiral gear structure, and the magnetic body (15) is arranged on the spiral gear structure. The electromagnetic induction flowmeter has the advantages of compact structure, large size of the magnetic body, high magnetic induction intensity, stable signals and the like.
Description
Technical field
Patent one electromagnetic induction effusion meter of the present invention relates to water treatment machine, beverage machine technical field, especially
Relate to household water filter field.
Background technology
Electromagnetic induction effusion meter is to be flow to from the import of effusion meter by fluid, (see the arrow in Fig. 1, Fig. 2
Head signal), drive rotor to be allowed to rotate [seeing Fig. 1 rotor (1), Fig. 2 rotor (4)], rotor wing rotation
Magnetic is driven to rotate [seeing Fig. 1 magnetic (2), Fig. 2 magnetic (3)], when magnetic is close to flow
Producing electromagnetic induction during electromagnetic induction element on meter, electromagnetic induction sensor utilizes this electromagnetic induction to produce
Raw pulse signal, thus carry out flow measurement.At present, the domestic electromagnetic induction being mainly used in water flow measurement
Flow is in respect of two kinds.A kind of axially flow towards rotor (4) for the current shown in Fig. 2, order about rotor wing rotation,
It is commonly referred to as axial-flow type.Another kind, drives towards the Radial Flow of rotor (1) for the current shown in Fig. 1
Rotor (1) is made to rotate, commonly referred to as radial-flow type.Existing radial-flow type its circumference of electromagnetic induction effusion meter
Direction size is relatively big, sees Fig. 1.Existing axial-flow type electromagnetic induction effusion meter then its lengthwise dimension is relatively
Long, see Fig. 2.
Patent of invention content
The purpose of patent of the present invention a kind of electromagnetic induction effusion meter is the volume in order to reduce effusion meter, by magnetic
Gonosome is embedded on rotor, and is integrally forming with rotor, makes that overall structure is compacter, miniaturization.
Relatively big, the axial-flow type electromagnetic induction for the above-mentioned radial-flow type electromagnetic induction effusion meter circumferencial direction size of solution
The technical problem that effusion meter lengthwise dimension is longer, a kind of electromagnetic induction stream that patent of the present invention constructs
Gauge, its concrete structure content is as follows:
A kind of electromagnetic induction effusion meter, by housing (12), front support (11), rotor (10), magnetic (15),
Rear support (16), pivot pin (14), electromagnetic induction element (9) form, it is characterised in that: rotor (10)
For helical gear structure, magnetic (15) is arranged in described helical gear structure.
Preferably, in the helical gear structure that rotor (10) and magnetic (15) are constituted: described
Helical gear structure axial cross section on have the toothed surface of helical gear, in a segment limit of water inlet end
Axial cross section on except there being the toothed surface of helical gear also to include magnetic (15), described rotor (10)
Water side centre on support protrusion (24) is set, by described support protrusion (24) with rear
Support seat (16) contact, location when rotating as rotor (10) water side supports.
Preferably, described magnetic (15) is embedded in the helical gear of rotor (10), described
Rotor opens a breach on (10), in the both sides of this breach along the basic circle half of rotor (10) helical gear
Footpath (19), by the depth and width of magnetic (15) by rotor (10) hollow out, by described magnetic
(15) it is embedded in rotor (10) the inside, in the middle of described rotor (10), has individual axis hole (23), pivot pin
(14) coordinate through magnetic axis hole (18) with the axis hole (23) of rotor (10), rotor (10)
Pivot pin (14) can rotate.
Preferably, the structure of described rotation support protrusion (24) is segment.
Preferably, described helical gear structure is to be made up of the cylindrical helical gear structure of 4 teeth.
Preferably, the helix of described helical gear structure is the upper coiling of rotor (10) 90 degree positive and negative 10
Degree.
Preferably, described rotor (10) in a segment limit of water side, the base radius of helical gear
Along with current direction of advance from large to small, gradually change formation gradient ramp (25), make water flow stationary.
Compared with prior art, patent of the present invention has the advantage that
1) compact conformation, length reduce
Existing axial-flow type electromagnetic induction effusion meter, its rotor is ined succession a little pole, is set in by magnetic
On little pole.Elongated due to little pole, causes electromagnetic induction effusion meter volume longer.Patent of the present invention
Rotor is without little pole, so less in lengthwise dimension.
2) magnetic induction is good, signal stabilization, current noise are little
Existing axial-flow type electromagnetic induction effusion meter, is set in magnetic on little pole, and little pole is elongated,
Therefore the magnetic volume being set on little pole is little.The little meeting of magnetic causes magnetic not strong, affects magnetic induction
Sensitivity.Patent magnetic of the present invention is embedded on rotor helical gear, and magnetic volume is big, magnetic induction
Strong signal is good.During the metering of existing radial-flow type effusion meter, the linear velocity of rotor outer rim is high, and between current
Friction is big with eddy current crack, and existing axial-flow type electromagnetic induction effusion meter volume is longer, current contact resistance
Greatly, friction noise is big, flow is little.Patent magnetic of the present invention is embedded on rotor helical gear, water resistance
Power is little, current noise is the least.
Accompanying drawing illustrates:
Fig. 1 radial-flow type electromagnetic induction flowmeter structure and rotor, magnetic removal schematic diagram；
Fig. 2 axial-flow type electromagnetic induction flowmeter structure and rotor, magnetic removal schematic diagram；
Fig. 3 patent structure of the present invention and rotor, magnetic removal schematic diagram；
Fig. 4 this practicality rotor structure figure and rotor, magnetic separation schematic diagram；
Fig. 5 this practicality rotor front view, right view and axonometric chart；
Detailed description of the invention:
In patent of the present invention, each label of Figure of description 3,4,5 represents respectively:
6 outlet pipe 7 claw 8 claw lid 9 electromagnetic induction elements
10 rotor 11 front support 12 shell 13 water inlet pipes
14 axle 15 magnetic 16 rear support 17 sealing ring 18 magnetic axis holes
19 rotor helical gear basic circle 20 rotor breach 21 magnetic cylindrical 22 magnetic chamfered edges
The protruding 25 rotor helical tooth basic circle gradient ramps of 23 rotor axis hole 24 rotors
The number of teeth of 26 rotor helical gears
Seeing Fig. 3～5, patent of the present invention relates to a kind of electromagnetic induction effusion meter, by housing (12), front
Support (11), rotor (10), magnetic (15), rear support (16), pivot pin (14), electromagnetic induction element (9)
Composition, rotor (10) constitutes helical gear structure with magnetic (15), and magnetic (15) is arranged on
In described helical gear structure.
As it is shown on figure 3, its structure is belonging to axial-flow type, it by shell body (12), be embedded with magnetic (15)
Rotor (10), axle (14), front support (11), rear support (16) (note: rear support can be with outward
Housing is made of one), electromagnetic induction element (9) composition.The rotor (10) being embedded with magnetic (15) is one section
The helical gear structure formed by helix, it may be assumed that rotor (10) constitutes helical tooth structure with magnetic (15).
Magnetic (15) is embedded in rotor (10) helical gear by patent of the present invention dexterously, it is characterized in that magnetic
Body makes it overlap with the basic circle of helix gear in being embedded in rotor, and does not affect rotor (10) helical gear
Integrity.So purpose of design is: magnetic (15) does not affect fluid at rotor helical tooth wheel body
On flowing, additional flow resistance will not be produced because inlaying magnetic (15).Magnetic (15) with
This inlaying of rotor (10): making magnetic (15) and rotor (10) one integrated mass, both reach
Perfect adaptation also keeps the helical gear shapes formed by rotor helix body to stand intact, not because being magnetic
The embedding of body (15) and produce any change of rotor (10) helical gear appearance profile.
Specifically in above-mentioned electromagnetic induction effusion meter, refer to Fig. 4, at rotor (10) helical gear
Water inlet end opens a breach, in the both sides of this breach along the base radius (19) of rotor helical gear, by magnetic
The degree of depth of gonosome, by rotor hollow out, is shown in the right figure of Fig. 4.The radius (21) of design magnetic and rotor spiral shell
The base radius (19) of rotation gear is identical.By the symmetry chamfered edge of the circular arc portion up and down (22) of magnetic (15),
Make the gap width (20) equal to rotor helical gear of the magnetic width after its chamfered edge.By magnetic (15)
Embedding in the breach of rotor (10) helical gear, the helix shape keeping rotor helical gear is complete.
In the structure of above-mentioned rotor (10), rotor (10) is designed to the helical gear structure of 4 teeth,
Rotor is constituted by the cylindrical helical gear of 4 teeth.
In 4 above-mentioned tooth helical gear structures, helical tooth coils 90 on the stud of rotor (10)
Spend positive and negative 10 degree.A projection (24), this projection it is provided with in the centre of rotor (10) water side
It is hemispherical shape i.e. segment, uses it as the location support that water side rotor (10) rotates, with rear support
(16) contact.Make rotor (10) during design before the base radius of water side helical gear is along with current
The direction entered gradually changes from large to small, forms gradient ramp (25), and the purpose of do so is advantageous for water
Levelling is steady.
In the electromagnetic induction effusion meter of patent of the present invention, water enters from water inlet pipe (13), flows through front support
(11), axle (14), magnetic (15) and rotor (10) helical gear flow out to outlet pipe.Current
Ordering about rotor (10) helical gear drives magnetic (15) to rotate, when magnetic is close on effusion meter
Producing electromagnetic induction during electromagnetic induction element (9), electromagnetic induction sensor utilizes this electromagnetic induction to produce
Pulse signal, thus carry out flow measurement.Claw (7) prevents inlet tube and outlet tube (6), (13) from departing from,
Claw (7) is fixed on shell (12) by claw lid (8), and sealing ring (17) prevents water inlet pipe and water outlet pipe
(6), (13) leak.
Claims (7)
1. an electromagnetic induction effusion meter, by housing (12), front support (11), rotor (10), magnetic (15),
Rear support (16), pivot pin (14), electromagnetic induction element (9) form, it is characterised in that: rotor (10)
For helical gear structure, magnetic (15) is arranged in described helical gear structure.
A kind of electromagnetic induction effusion meter the most according to claim 1, it is characterised in that: described
The toothed surface of helical gear is had, the axle in a segment limit of water inlet end on the axial cross section of helical gear structure
Except there being the toothed surface of helical gear also to include magnetic (15) on cross section, described rotor (10)
Support protrusion (24) is set on the centre of water side, by described support protrusion (24) and rear support
Seat (16) contact, location when rotating as rotor (10) water side supports.
A kind of electromagnetic induction effusion meter the most according to claim 2, it is characterised in that: described magnetic
Body (15) is embedded in the helical gear of rotor (10), opens a breach on described rotor (10),
In the both sides of this breach along the base radius (19) of rotor (10) helical gear, by magnetic (15)
Depth and width by rotor (10) hollow out, described magnetic (15) is embedded in rotor (10) the inside,
Having individual axis hole (23) in the middle of described magnetic (10), pivot pin (14) passes magnetic axis hole (18)
Coordinating with the axis hole (23) of rotor (10), rotor (10) can rotate on pivot pin (14).
A kind of electromagnetic induction effusion meter the most according to claim 2, it is characterised in that: described rotation
The structure of support protrusion (24) is segment.
A kind of electromagnetic induction effusion meter the most according to claim 1, it is characterised in that: described spiral
Gear structure is to be made up of the cylindrical helical gear structure of 4 teeth.
A kind of electromagnetic induction effusion meter the most according to claim 5, it is characterised in that: described spiral
The helix of gear structure is the upper coiling of rotor (10) 90 degree positive and negative 10 degree.
A kind of electromagnetic induction effusion meter the most according to claim 3, it is characterised in that: rotor (10)
In a segment limit of water side, the base radius of helical gear along with current direction of advance from large to small, by
Gradual changeization forms gradient ramp (25), makes water flow stationary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510032564.8A CN105890682A (en) | 2015-01-14 | 2015-01-14 | Electromagnetic induction flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510032564.8A CN105890682A (en) | 2015-01-14 | 2015-01-14 | Electromagnetic induction flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105890682A true CN105890682A (en) | 2016-08-24 |
Family
ID=56999684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510032564.8A Pending CN105890682A (en) | 2015-01-14 | 2015-01-14 | Electromagnetic induction flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890682A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1758030A (en) * | 2004-10-08 | 2006-04-12 | 卡莱菲公司 | Rotary flowermeter |
| CN201173792Y (en) * | 2007-12-04 | 2008-12-31 | 福州金源泉科技有限公司 | Turbine sensor for flow gauge |
| CN101672668A (en) * | 2009-09-25 | 2010-03-17 | 李康生 | Dual-rotor mechanical flow sensor and operating method thereof |
| CN202171045U (en) * | 2011-08-12 | 2012-03-21 | 深圳市家乐士净水科技有限公司 | Reducing valve |
| CN202382775U (en) * | 2011-12-13 | 2012-08-15 | 合肥精大仪表股份有限公司 | Turbine flowmeter |
| CN203285723U (en) * | 2013-04-02 | 2013-11-13 | 武汉科技大学 | Blood pump rotor structure capable of reducing hemolyses |
| CN104165156A (en) * | 2014-07-22 | 2014-11-26 | 江苏双达泵阀集团有限公司 | Method for designing axial flow pump impeller with unequal outlet circulation distribution |
-
2015
- 2015-01-14 CN CN201510032564.8A patent/CN105890682A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1758030A (en) * | 2004-10-08 | 2006-04-12 | 卡莱菲公司 | Rotary flowermeter |
| CN201173792Y (en) * | 2007-12-04 | 2008-12-31 | 福州金源泉科技有限公司 | Turbine sensor for flow gauge |
| CN101672668A (en) * | 2009-09-25 | 2010-03-17 | 李康生 | Dual-rotor mechanical flow sensor and operating method thereof |
| CN202171045U (en) * | 2011-08-12 | 2012-03-21 | 深圳市家乐士净水科技有限公司 | Reducing valve |
| CN202382775U (en) * | 2011-12-13 | 2012-08-15 | 合肥精大仪表股份有限公司 | Turbine flowmeter |
| CN203285723U (en) * | 2013-04-02 | 2013-11-13 | 武汉科技大学 | Blood pump rotor structure capable of reducing hemolyses |
| CN104165156A (en) * | 2014-07-22 | 2014-11-26 | 江苏双达泵阀集团有限公司 | Method for designing axial flow pump impeller with unequal outlet circulation distribution |
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Application publication date: 20160824 |