CN103267552A - Valve and electromagnetic flowmeter integrated device and application thereof - Google Patents
Valve and electromagnetic flowmeter integrated device and application thereof Download PDFInfo
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- CN103267552A CN103267552A CN2013101969925A CN201310196992A CN103267552A CN 103267552 A CN103267552 A CN 103267552A CN 2013101969925 A CN2013101969925 A CN 2013101969925A CN 201310196992 A CN201310196992 A CN 201310196992A CN 103267552 A CN103267552 A CN 103267552A
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- valve
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- electromagnetic flowmeter
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Abstract
The invention discloses a valve and electromagnetic flowmeter integrated device and application thereof. The valve and electromagnetic flowmeter integrated device comprises a valve core, a concentrating flux plate, a first electrode, a second electrode, a first lead, a second lead, a circuit board, a valve body, a valve cover, a coil, a magnetic core, a framework and a U-shaped steel sleeve. The valve body and the valve cover form a cavity with an open top and a horizontal opening, and the valve core is located in the cavity. The valve core comprises a through hole connected to the horizontal opening of the valve cavity, the through hole is divided into an upper through hole and a lower through hole through the concentrating flux plate, the first electrode and the second electrode are respectively located on the left side and the lower end of the lower through hole, the first electrode is connected with the circuit board through the first lead, and the second electrode is connected with the circuit board through the second lead. The concentrating flux plate, the magnetic core and the U-shaped steel sleeve are all magnetic conductors. According to the valve and electromagnetic flowmeter integrated device and the application, a sensor measured by an electromagnetic flowmeter is placed in the valve core, the through hole of the valve core is divided into the upper through hole and the lower through hole through the concentrating flux plate, magnetic fields are concentrated in the lower through hole, the electrodes are arranged on two sides of the lower through hole, the coil is located below the valve core, and therefore integration of a valve and the electromagnetic flowmeter is achieved.
Description
Technical field
Valve of the present invention and electromagnetic flowmeter integrated apparatus relate to the electromagnetic type flow meter field, and particularly heat metering, water metering, Sewage metering etc. need battery powered flow measurement and flow control field.The present invention is applicable to family calorimeter, cold table, water meter etc., and its principle and structure also are applicable to the general field that other need flow measurement and flow control.
Background technology
Electromagnetic flowmeter is a kind of flow measurement instrument based on the Faradic electricity magnetic induction principle, its ultimate principle is: when the fluid that has conducting medium passes through magnetic field, the fluid cutting magnetic line, vertical direction in magnetic field produces induced potential, amplitude and the flow rate of fluid of induced potential are directly proportional, thereby acquisition flow rate of fluid, and then the flow of acquisition fluid.In order to produce magnetic field, around measuring tube, field coil is installed, fluid is passed in the magnetic field that produces, thereby produces induced potential in fluid, in the both positive and negative polarity position of induced potential installing electrodes, can measure the size of induced potential.Electromagnetic flowmeter is widely used in flow measurement, has that measuring accuracy height, the linearity are good, does not have advantages such as structure part, antipollution thing in the measuring tube.
Valve is the device for the control rate of flow of fluid, according to the difference of version ball valve, butterfly valve, gate valve etc. is arranged, and critical piece comprises spool and valve body, and spool is positioned at valve body, and through hole is arranged, and is rotatable or mobile, thereby realizes opening and closing of valve.
The electromagnetic flowmeter of prior art, and the electromagnetic flowmeter of band valve, generally, with field coil be installed in measuring tube around, be generally two coil relative positions and install, perhaps a coil and a magnetic core relative position are installed, whole measuring tube is passed through in magnetic field, and the more big magnetic circuit of bore is more long, thereby exciting power is more big, can't satisfy the application scenario of low-power consumption application scenarios, particularly calorimeter such as powered battery.Prior art also has the measuring tube reduced, shortens magnetic circuit, reduces the method for excitation power consumption, and this method causes measuring tube pipeline crushing big, is not suitable for the application scenario of calorimeter.
The band valve flow meter of prior art generally splits valve and flowmeter.Along with the development of city central heating heat metering, invent a kind of electromagnetic type calorimeter of the low-power consumption excitation with valve, solve the electromagnetic type calorimeter powered battery problem of being with valve, it is more and more important to seem in heat metering.Prior art, yet there are no increases magnetic conductive board in measuring tube, thereby reduces exciting power, realizes valve and the integrated method of electromagnetic flowmeter.
In sum, there is following problem in the electromagnetic flowmeter of the band valve of prior art:
1) spool and electromagnetic flowmeter survey pipe split, and volume is big;
2) excitation field passes through whole fluid cross-section, and the excitation distribution efficiency is low;
3) measuring tube undergauge ratio is big, causes the pipeline crushing big;
4) measuring tube of larger caliber, exciting power is bigger.
Summary of the invention
The object of the present invention is to provide a kind of valve and electromagnetic flowmeter integrated apparatus and application thereof, solve the big problem of electromagnetic type flow meter power consumption of prior art band valve, particularly solve water meter is used at the electromagnetic type family with calorimeter, family powered battery problem.
A kind of valve and electromagnetic flowmeter integrated apparatus, described device comprises valve body, spool and valve gap; Valve body and valve gap form the cavity of top and horizontal opening, and spool is positioned at cavity; Valve body comprises measuring tube, coil, and coil is positioned at the below of spool; Spool is provided with the horizontal through hole that connects the measuring tube horizontal opening, comprises magnetic conductive board, first electrode, second electrode, and the spool horizontal through hole is divided into through hole and lower through-hole by magnetic conductive board, and first electrode and second electrode lay respectively at the left and right sides of lower through-hole.
Described valve body is provided with magnetic core, and magnetic core is positioned at the inside of coil, and magnetic core is magnetic conductor.
Described valve body further is provided with the U-shaped steel bushing, and coil is positioned at the U-shaped cavity of U-shaped steel bushing, and the U-shaped steel bushing is magnetic conductor.
Described spool further comprises first lead-in wire, second lead-in wire, circuit board, and first electrode is by the first lead-in wire connecting circuit plate, and second electrode is by the second lead-in wire connecting circuit plate.
Described first lead-in wire and second lead-in wire adopt the conductive plastic material manufacturing.
Described valve body further includes skeleton, and described coil is around in the I-shaped groove of skeleton.
The left and right sides of described U-shaped steel bushing is higher than the bottom of spool lower through-hole.
Described first electrode and second electrode are arranged in the position on the lower side of lower through-hole.
A kind of described valve and electromagnetic flowmeter integrated apparatus are used for calorimeter, cold table, the water meter of band valve.
The calorimeter of described band valve is the balance calorimeter.
The invention provides the arrangement of valve and electromagnetic flowmeter integrated apparatus.The present invention is built in spool with electrode, the lead member of electromagnetic flowmeter, makes that spool and electromagnetic flowmeter sensing element are integrated, has reduced volume.
According to a further aspect in the invention, provide a kind of intensifier electrode position magnetic field intensity, thereby improved the method for Distribution of Magnetic Field efficient.In the prior art, the above and below of measuring tube is furnished with coil, and both sides are furnished with electrode, and the excitation field that coil produces passes through whole fluid cross-section, thereby has reduced Distribution of Magnetic Field efficient.The present invention increases the magnetic conductive board of a magnetic conduction in the through hole of spool, the through hole of spool is divided into through hole and lower through-hole, and Distribution of Magnetic Field is having the lower through-hole of potential electrode, and last through hole is distributed with magnetic field hardly, thereby has improved the distribution efficiency of excitation field.
A kind of electromagnetic flow sensor method for arranging of low pipeline crushing is provided according to a further aspect in the invention.In the prior art, in order to reach necessary exciting power, the caliber of measuring tube is narrowed down to certain proportion, increased the pressure loss of pipeline.Distribution of Magnetic Field in the measuring tube of the present invention is in lower through-hole, and the sectional area of last through hole does not influence DISTRIBUTION OF MAGNETIC FIELD substantially, thereby need not pipeline diameter is dwindled.
According to a further aspect in the invention, provide a kind of low-power consumption excitation method for arranging at the different-diameter measuring tube.In the prior art, the above and below of measuring tube is furnished with coil, and both sides are furnished with electrode, and the more big coil of arranging of measuring tube diameter is more big, and exciting power is more big.The present invention is divided into through hole and lower through-hole with the through hole of spool, excitation field only acts on lower through-hole, the sectional area of last through hole can change with the diameter of measuring tube, thereby the measuring tube that adapts to different-diameter, field coil can not change with the vary in diameter of measuring tube, thereby the exciting method of low-power consumption is provided.
Compared with prior art, the present invention has the following advantages:
1) spool and measuring tube integral structure, volume is little;
2) excitation field distribution efficiency height;
3) the pipeline crushing of measuring tube is little;
4) measuring tube of different-diameter is all realized the low-power consumption excitation.
Arbitrary technical scheme of the present invention differs and all realizes above beneficial effect surely.
Description of drawings
Fig. 1 is the sectional view of valve of the present invention and electromagnetic flowmeter integrated apparatus embodiment;
Among the figure, spool 1, magnetic conductive board 2, the first electrode 3a, the second electrode 3b, the first lead-in wire 4a, the second lead-in wire 4b, circuit board 5, measuring tube 6, valve gap 7, magnetic core 8, coil 9, U-shaped steel bushing 10, skeleton 11.
Fig. 2 is the A-A sectional view of valve of the present invention and electromagnetic flowmeter integrated apparatus embodiment;
Fig. 3 is the sectional view that constitutes valve of the present invention and another embodiment of electromagnetic flowmeter integrated apparatus;
Among the figure, spool 1, magnetic conductive board 2, the first electrode 3a, the second electrode 3b, the first lead-in wire 4a, the second lead-in wire 4b, circuit board 5, measuring tube 6, valve gap 7, W-shaped steel cover 8, coil 9, skeleton 11.
Embodiment
Referring to Fig. 1, the sectional view for valve of the present invention and electromagnetic flowmeter integrated apparatus embodiment comprises spool unit, valve body unit and excitation unit.
Wherein the spool unit comprises spool 1, magnetic conductive board 2, the first electrode 3a, the second electrode 3b, the first lead-in wire 4a, the second lead-in wire 4b, circuit board 5.Spool 1 adopts the plastic material manufacturing, comprises to connect the through hole that exports about valve body unit cavity, and the cross section of present embodiment through hole is Long Circle, also can adopt shapes such as rectangle, semicircle.Spool 1 profile of present embodiment is cylindrical, also can be shapes such as sphere.Magnetic conductive board 2 adopts the permeability magnetic material manufacturing, such as materials such as iron oxide, soft irons; Magnetic conductive board 2 horizontal positioned are divided into through hole and lower through-hole with through hole, and magnetic conductive board 2 is fixed on the spool 1, and the vertical cross-section at edge, front and back is airflow design (referring to Fig. 2).The first electrode 3a and the second electrode 3b adopt the stainless steel material manufacturing, lay respectively at the left and right sides of lower through-hole, and embed in the spool 1.Being shaped as of electrode is cylindrical, and the surface of its inner side end and spool 1 lower through-hole maintains an equal level.The first lead-in wire 4a and the second lead-in wire 4b adopt the conductive plastics manufacturing, combine together with Shooting Technique and spool 1, and are embedded in the inside of spool 1.The first lead-in wire 4a connects the first electrode 3a, and the second lead-in wire 4b connects the second electrode 3b, the first lead-in wire 4a and the second lead-in wire 4b connecting circuit plate 5, in order to the signal of electrode is transferred to circuit board 5, circuit board 5 can include signal conditioning circuit.
The valve body unit comprises measuring tube 6, valve gap 7, forms the cavity of top and left and right sides opening, and spool 1 is positioned at cavity, and the cavity shown in the present embodiment is cylindrical, also can be designed to shapes such as sphere according to the shape of spool unit.Spool unit horizontal rotation in the cavity realizes turning on and off of valve, and spool cell position illustrated in figures 1 and 2 is the opening state of valve.Seam crossing between measuring tube 6 and the valve gap 7 should seal, as adopting material seals such as rubber, teflon, glue, perhaps method sealings such as welding, welding.
The excitation unit is positioned at the below of valve body unit, comprises magnetic core 8, coil 9, U-shaped steel bushing 10, skeleton 11.Coil 9 adopts the winding method of common coil, the enameled wire level is wound in the groove of I-shaped skeleton 11.Magnetic core 8 is column, vertically is placed in the mider hole of skeleton 11, and wound coil 9 on every side.The upper end of magnetic core 8 is higher than the upper limb of coil 9, presses close to the bottom of valve body unit, is conducive to increase excitation field intensity.The horizontal section of present embodiment magnetic core 8 is circular, also can be Long Circle, annular etc.Magnetic core 8, coil 9 and skeleton 11 place the U-shaped bottom of U-shaped steel bushing 10.The opening upper limb of present embodiment U-shaped steel bushing 10, the left and right sides are near the magnetic conductive board 2 in the spool unit, and the opening upper limb of side is conducive to improve excitation field intensity before and after being higher than.In addition, from the angle that is conducive to make, both sides also can flush with front and back.
Referring to Fig. 3, the sectional view for valve of the present invention and another embodiment of electromagnetic flowmeter integrated apparatus comprises spool unit, valve body unit and excitation unit.
Wherein the spool unit comprises spool 1, magnetic conductive board 2, the first electrode 3a, the second electrode 3b, circuit board 5.Spool 1 profile is cylindrical, adopts the plastic material manufacturing, comprises to connect the through hole that exports about valve body unit cavity, and the cross section of through hole is Long Circle.Magnetic conductive board 2 adopts the permeability magnetic material manufacturing, such as materials such as iron oxide, soft irons; Magnetic conductive board 2 horizontal positioned are divided into through hole and lower through-hole with through hole, and magnetic conductive board 2 is fixed on the spool 1.The first electrode 3a and the second electrode 3b adopt the stainless steel material manufacturing, lay respectively at the left and right sides of lower through-hole, and embed in the spool 1.The first electrode 3a and the second electrode 3b connecting circuit plate 5, in order to the signal of electrode is transferred to circuit board 5, circuit board 5 can include signal conditioning circuit.
Valve body comprises measuring tube 6, valve gap 7, forms the cavity of top and left and right sides opening, and the spool unit is positioned at cavity, cavity is cylindrical, so that horizontally rotating of spool unit realized turning on and off of valve, spool cell position shown in Figure 3 is the opening state of valve.
The excitation unit is positioned at the below of valve body unit, comprises W-shaped steel cover 8, coil 9.W-shaped steel cover 8 adopts the soft iron material manufacturing, surrounds coil 9.
Described valve and electromagnetic flowmeter integrated apparatus are used for calorimeter, cold table, the water meter of band valve.
The calorimeter of described band valve is the balance calorimeter.Be provided with valve in the table of balance calorimeter, it not only has the hot function of measuring of calorimeter, also possesses the switching function of valve, realizes circulation and the turn-off function of heat flux, can carry out the adjusting of heat flux, by system's control, further can realize the balance of heat supply network.
The valve of present embodiment and electromagnetic flowmeter integrated apparatus, magnetic conductive board, magnetic core, U-shaped steel bushing are respectively whole magnetic conductive part, constitute the required magnetic circuit of flow sensing.Each whole magnetic conductive part also can by several littler magnetic conductions and not magnetic conductive part combine, also can remove this combination and the local whole permeance of influence hardly of removing with magnetic conductive part is local.A magnetic conductive part is split as a plurality of parts and the local technical scheme of removing, is the known technology of this area professional person, this type of situation is also in the protection domain of this patent.
The valve of present embodiment and electromagnetic flowmeter integrated apparatus with this device vertical mirror or rotate any angle, do not influence the fundamental characteristics of this device, are the known technology of this area professional person, and this type of situation is also in the protection domain of this patent.
The valve of present embodiment and electromagnetic flowmeter integrated apparatus; materials such as plastics, coating can be further adhered on the magnetic conductive board surface; improve surface smoothness and insulativity, be the known technology of this area professional person, this type of situation is also in the protection domain of this patent.
More than disclosed only be several specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, all should drop on protection scope of the present invention.
Claims (10)
1. a valve and electromagnetic flowmeter integrated apparatus, it is characterized in that: described device comprises valve body, spool (1) and valve gap (7); Valve body and valve gap (7) form the cavity of top and horizontal opening, and spool (1) is positioned at cavity; Valve body comprises measuring tube (6), coil (9), and coil (9) is positioned at the below of spool (1); Spool (1) is provided with the horizontal through hole that connects measuring tube (6) horizontal opening, comprise magnetic conductive board (2), first electrode (3a), second electrode (3b), spool (1) horizontal through hole is divided into through hole and lower through-hole by magnetic conductive board (2), and first electrode (3a) and second electrode (3b) lay respectively at the left and right sides of lower through-hole.
2. valve as claimed in claim 1 and electromagnetic flowmeter integrated apparatus, it is characterized in that: described valve body is provided with magnetic core (8), and magnetic core (8) is positioned at the inside of coil (9), and magnetic core (8) is magnetic conductor.
3. valve as claimed in claim 1 and electromagnetic flowmeter integrated apparatus is characterized in that: described valve body, further be provided with U-shaped steel bushing (10), and coil (9) is positioned at the U-shaped cavity of U-shaped steel bushing (10), and U-shaped steel bushing (10) is magnetic conductor.
4. valve as claimed in claim 1 and electromagnetic flowmeter integrated apparatus, it is characterized in that: described spool (1), further comprise first lead-in wire (4a), second lead-in wire (4b), the circuit board (5), first electrode (3a) is by first lead-in wire (4a) connecting circuit plate (5), and second electrode (3b) is by second lead-in wire (4b) connecting circuit plate (5).
5. valve as claimed in claim 4 and electromagnetic flowmeter integrated apparatus is characterized in that: described first lead-in wire (4a) and second lead-in wire (4b), the manufacturing of employing conductive plastic material.
6. valve as claimed in claim 1 and electromagnetic flowmeter integrated apparatus, it is characterized in that: described valve body further includes skeleton (11), and described coil (9) is around in the I-shaped groove of skeleton (11).
7. valve as claimed in claim 3 and electromagnetic flowmeter integrated apparatus, it is characterized in that: the left and right sides of described U-shaped steel bushing (10) is higher than the bottom of spool (1) lower through-hole.
8. valve as claimed in claim 1 and electromagnetic flowmeter integrated apparatus is characterized in that: described first electrode (3a) and second electrode (3b) are arranged in the position on the lower side of lower through-hole.
9. a valve according to claim 1 and electromagnetic flowmeter integrated apparatus are used for calorimeter, cold table, the water meter of band valve.
10. the calorimeter according to the band valve described in the claim 9 is the balance calorimeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310196992.5A CN103267552B (en) | 2013-05-24 | 2013-05-24 | Valve and electromagnetic flowmeter integrated apparatus and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310196992.5A CN103267552B (en) | 2013-05-24 | 2013-05-24 | Valve and electromagnetic flowmeter integrated apparatus and application thereof |
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| CN103267552A true CN103267552A (en) | 2013-08-28 |
| CN103267552B CN103267552B (en) | 2016-08-31 |
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| CN201310196992.5A Active CN103267552B (en) | 2013-05-24 | 2013-05-24 | Valve and electromagnetic flowmeter integrated apparatus and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375398A (en) * | 2018-03-05 | 2018-08-07 | 杭州云谷科技股份有限公司 | A kind of electromagnetic flow meter signal conditioning device |
| CN108469282A (en) * | 2018-03-02 | 2018-08-31 | 杭州云谷科技股份有限公司 | A kind of high-precision low-power consumption electromagnetic flow sensing device |
| CN110274085A (en) * | 2019-05-31 | 2019-09-24 | 杭州云谷科技股份有限公司 | A kind of integrated apparatus of electromagnetic flow sensor and valve |
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| JPS5750613A (en) * | 1980-09-11 | 1982-03-25 | Toshiba Corp | Electromagnetic flowmeter |
| EP2169359A1 (en) * | 2008-09-26 | 2010-03-31 | Gebr. Kemper GmbH + Co. KG Metallwerke | Measurement valve and method for determining a difference or total volume flow |
| CN102326055A (en) * | 2008-12-19 | 2012-01-18 | 阿博恩股份有限公司 | Multiphase flowmeter |
| CN102840357A (en) * | 2012-08-23 | 2012-12-26 | 杭州云谷科技有限公司 | Flow measurement and control integrated device |
| CN102840887A (en) * | 2012-08-23 | 2012-12-26 | 杭州云谷科技有限公司 | Electrode device of electromagnetic flow meter |
| CN102840356A (en) * | 2012-08-23 | 2012-12-26 | 杭州云谷科技有限公司 | Electromagnetic flow measurement and control integrated device |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5750613A (en) * | 1980-09-11 | 1982-03-25 | Toshiba Corp | Electromagnetic flowmeter |
| EP2169359A1 (en) * | 2008-09-26 | 2010-03-31 | Gebr. Kemper GmbH + Co. KG Metallwerke | Measurement valve and method for determining a difference or total volume flow |
| CN102326055A (en) * | 2008-12-19 | 2012-01-18 | 阿博恩股份有限公司 | Multiphase flowmeter |
| CN102840357A (en) * | 2012-08-23 | 2012-12-26 | 杭州云谷科技有限公司 | Flow measurement and control integrated device |
| CN102840887A (en) * | 2012-08-23 | 2012-12-26 | 杭州云谷科技有限公司 | Electrode device of electromagnetic flow meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469282A (en) * | 2018-03-02 | 2018-08-31 | 杭州云谷科技股份有限公司 | A kind of high-precision low-power consumption electromagnetic flow sensing device |
| CN108375398A (en) * | 2018-03-05 | 2018-08-07 | 杭州云谷科技股份有限公司 | A kind of electromagnetic flow meter signal conditioning device |
| CN110274085A (en) * | 2019-05-31 | 2019-09-24 | 杭州云谷科技股份有限公司 | A kind of integrated apparatus of electromagnetic flow sensor and valve |
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| CN103267552B (en) | 2016-08-31 |
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Address after: 310052, Zhejiang province Hangzhou Binjiang District 10 Changjiang Road 336 cartoon square 5 buildings Applicant after: Hangzhou Yungu Science & Technology Co., Ltd. Address before: 310052, Zhejiang province Hangzhou Binjiang District 10 Changjiang Road 336 cartoon square 5 buildings Applicant before: Hangzhou Yungu Science & Technology Co., Ltd. |
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Denomination of invention: Valve and electromagnetic flowmeter integrated device and application thereof Effective date of registration: 20200313 Granted publication date: 20160831 Pledgee: China Minsheng Banking Corp Hangzhou branch Pledgor: Hangzhou Yungu Science & Technology Co.,Ltd. Registration number: Y2020330000099 |
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