CN110260938A - A kind of electromagnetic flowmeter - Google Patents
A kind of electromagnetic flowmeter Download PDFInfo
- Publication number
- CN110260938A CN110260938A CN201910603958.2A CN201910603958A CN110260938A CN 110260938 A CN110260938 A CN 110260938A CN 201910603958 A CN201910603958 A CN 201910603958A CN 110260938 A CN110260938 A CN 110260938A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- inner liner
- liner pipe
- protrusion
- electromagnetic flowmeter
- 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
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000012216 screening Methods 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000007789 sealing Methods 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
- G01F1/588—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 combined constructions of electrodes, coils or magnetic circuits, accessories therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
A kind of electromagnetic flowmeter, including inner liner pipe fitting, shell, pole shoe, coil, electrode further include couple of conductor device, screening arrangement；Among inner liner pipe fitting outer wall, with the setting of its axisymmetrical, there are two protrusions；Two from inner liner pipe fitting ports at a certain distance from be also respectively provided with circle enclosing outstanding, for fixed coil and pole shoe, on inner liner pipe fitting and enclosing, the opposite side of two enclosings, protrusion two sides be respectively arranged with a notch, for placing pole shoe, two notches are centrosymmetric setting with inner liner pipe fitting central point；The intermediate position of the shell is provided with a through-hole, is matched with protrusion, for placing electrode, injecting glue；It is additionally provided with fixed hole in two sides of the protrusion, for buckling wire installation；Wire installation and protrusion constitute a circumference；The coil is wrapped in the part of protrusion Yu enclosing, passes through the through-hole lead on shell；The screening arrangement is mounted on the through hole of shell.
Description
Technical field
The present invention relates to fluid flow statistical technique fields, more particularly to a kind of electromagnetic flowmeter.
Background technique
It is well known that electromagnetic flowmeter is a kind of to be measured using conductive fluid by the electromotive force inducted when externally-applied magnetic field
Conductive fluid stream flow capacity within a certain period of time, to facilitate relevant staff to detect conductive fluid service condition
A kind of instrument, be widely used in a variety of applications in the field that conducting liquid uses；Existing electromagnetic flowmeter includes liner
Pipe fitting and measuring coil, are provided with working chamber in inner liner pipe fitting, the top and bottom end of inner liner pipe fitting be respectively arranged with water inlet and
Water outlet, and inlet and outlet are communicated with working chamber, and coil is set on the lateral wall of inner liner pipe fitting, and work accent
Diameter is circle；Existing electromagnetic flowmeter enters to work by water inlet when in use, by the conductive fluid measured
It is intracavitary, flow survey is carried out using the electromagnetism size that Faraday's electromagnetic induction law is generated according to the conductive fluid for flowing through working chamber
Amount；However, existing electromagnetic flowmeter is found in use, the speed of liquid can compare cross-sectional area in the case where circular pipe
The pipeline of small shape is slow, causes the electromotive force of device under equal conditions can be low, and signal can be weak, causes the excitation efficiency of device
It is low.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, excitation direction is adjusted, effectively improves device and exist
Electromotive force under equal conditions, effectively improves the working signal of device, to improve the electromagnetic flowmeter of the excitation efficiency of device.
The technical scheme adopted by the invention to solve the technical problem is that:
A kind of electromagnetic flowmeter, including inner liner pipe fitting, the shell matched with inner liner pipe fitting, a pair of of pole shoe, coil, electricity
Pole, the inner liner pipe fitting are provided with working chamber, are respectively arranged with inlet and outlet at the both ends of inner liner pipe fitting；Further include
Couple of conductor device, screening arrangement；Among inner liner pipe fitting outer wall, with the setting of its axisymmetrical, there are two protrusions；From liner
Pipe fitting is also respectively provided with circle enclosing outstanding at a certain distance from two ports, fixed coil and pole shoe is used for, in liner
On pipe fitting and enclosing, the opposite side of two enclosings, protrusion two sides be respectively arranged with a notch, for placing pole shoe, two
A notch is centrosymmetric setting with inner liner pipe fitting central point；The intermediate position of the shell is provided with a through-hole, and it is prominent
It rises and matches, for placing electrode；It is additionally provided with fixed hole in two sides of the protrusion, for buckling wire installation；It leads
Line apparatus and protrusion constitute a circumference；The coil is wrapped in the part of protrusion Yu enclosing, passes through the through-hole lead on shell；
The screening arrangement is mounted on the through hole of shell.
Further, the wire installation is arcuate structure, and the direction of wire installation circumferentially is provided with first
Metallic channel is provided with the second metallic channel in middle part, the direction vertical with circumferencial direction of wire installation, is used for cabling；In conducting wire
The both ends of device are respectively arranged with pressing, and pressing is used for the fixed hole being inserted into protrusion, fixed electrode.
Further, the pressing is " ∏ " shape, and chamfered is done at two angles of pressing.
Further, the electrode is "T"-shaped electrode.
Further, the screening arrangement is * * material, including shielding case and screening cover, the shielding case and screening cover
It is bolted.
Further, a detent slot is additionally provided between enclosing and inlet and outlet at two, in the upper table of enclosing
Face and side are respectively arranged with detent slot, and the rubber washer for being higher by detent groove depth is placed in detent slot.
Further, the enclosure material is pure iron, and the inner liner pipe fitting is plastic pipe.
Further, the working chamber of inner liner pipe fitting is rectangular working chamber, the wider one side of the rectangular working chamber and pole
Boots are opposite.
Further, it is respectively arranged with bolt hole on the end face at the both ends of the shell, for passing through flange with pipeline
Connect.
The beneficial effects of the present invention are: the internal diameter of inner liner pipe fitting is changed to rectangular bore by the embodiment of the present invention, water flow broadens,
Narrow, so that the liquid flow velocity in working chamber is got higher, while can increase the signal strength in working chamber, with the fixation of magnetic pole
Mode changes excitation direction, is mended with magnetic pole into circle, and the coiling around magnetic pole, efficiency improves, and excitation direction can be adjusted,
The electromotive force of device under equal conditions is effectively improved, the working signal of device is effectively improved, to improve the excitation effect of device
Rate.Injecting glue can be carried out by through-hole, prevent coil loose, make glue full of space, can also prevent corrosion.
Meanwhile the present invention is provided with wire installation, one is capable of fixing coil, and it is loose to place coil；Two energy conducting wires, coil is drawn
Line out is exported by metallic channel.
The present invention is also provided with detent slot in enclosing, two respectively between enclosing and inlet and outlet, in detent slot
Rubber washer is placed by section, for sealing.
The present invention, which is also provided with shielding case, prevents signal interference.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of inner liner pipe fitting；
Fig. 3 is the structural schematic diagram of wire installation；
The assembly structural schematic diagram of the position Fig. 4 inner liner pipe fitting and wire installation, pole shoe；
Fig. 5 is the structural schematic diagram of electrode；
Fig. 6 is the structural schematic diagram of pole shoe；
Fig. 7 is the structural schematic diagram of shielding case；
Fig. 8 is the structural schematic diagram of screening cover；
In figure: 1, inner liner pipe fitting；11, working chamber；12, protrusion；121, fixed hole；13, enclosing；14, notch；2, pole shoe；
3, shell；31, through-hole；32, bolt hole；4, detent slot；5, wire installation；51, pressing；52, the first metallic channel；53, it second leads
Wire casing；6, shielding case；61, screening cover；7, electrode.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figures 1 to 8, a kind of electromagnetic flowmeter of the invention, including inner liner pipe fitting 1, match with inner liner pipe fitting
Shell 3, a pair of of pole shoe 2, coil and electrode 7, the inner liner pipe fitting 1 is provided with working chamber 11, at the both ends of inner liner pipe fitting
It is respectively arranged with inlet and outlet；It further include couple of conductor device 5, screening arrangement；With it among inner liner pipe fitting appearance
There are two protrusions 12 for axisymmetrical setting；Two from inner liner pipe fitting ports at a certain distance to be also respectively provided with a circle prominent
Enclosing 13, be used for fixed coil and pole shoe, on inner liner pipe fitting and enclosing, the opposite side of two enclosings, protrusion two
Side be respectively arranged with a notch 14, for placing pole shoe, two notches are centrosymmetric setting with inner liner pipe fitting central point；?
There is a through-hole 31 at the intermediate position of the shell, matches with protrusion, for placing electrode, injecting glue；The two of the protrusion
A side is additionally provided with fixed hole 121, for buckling wire installation 5；Wire installation and protrusion constitute a circumference；The line
Circle is wrapped in the part of protrusion Yu enclosing, passes through the through-hole lead on shell；The screening arrangement is mounted on the through hole of shell.
As in Figure 3-5, the wire installation 5 is arcuate structure, is provided in the direction of wire installation 5 circumferentially
First metallic channel 52 is provided with the second metallic channel 53 in middle part, the direction vertical with circumferencial direction of wire installation, is used for away
Line；It is respectively arranged with pressing 51 at the both ends of wire installation, pressing is used for the fixed hole 121 being inserted into protrusion, fixed electrode 7.
The pressing 51 is " ∏ " shape, and chamfered is done at two angles of pressing.The electrode 7 is "T"-shaped electrode.
As shown in Figure 7 and Figure 8, the screening arrangement is metal material, including shielding case 6 and screening cover 61, the screen
It covers shell and screening cover is bolted.The material of screening arrangement can be copper, irony etc..It can prevent signal interference.
A detent slot 4 is additionally provided between enclosing and inlet and outlet at two, in the upper surface and side of enclosing
It is respectively arranged with detent slot 4, waterproof and fixation is used for, the rubber washer for being higher by detent groove depth is placed in detent slot.
Enclosure material is pure iron, and the inner liner pipe fitting is plastic pipe.The working chamber of inner liner pipe fitting is rectangular working chamber, institute
The wider one side for stating rectangular working chamber is opposite with pole shoe 2.Bolt hole is respectively arranged on the end face at the both ends of the shell
32, for being connected with pipeline by flange.
As shown in Fig. 2, the internal diameter of inner liner pipe fitting is changed to rectangular bore, water flow broadens, narrows, so that the liquid in working chamber
Body flowing velocity is got higher, while can increase the signal strength in working chamber, is changed excitation direction with the fixed form of magnetic pole, is used magnetic
Pole is mended into circle, and the coiling around magnetic pole, efficiency improves, and can be adjusted to excitation direction, be effectively improved device in same item
Electromotive force under part, effectively improves the working signal of device, to improve the excitation efficiency of device, placed cavity is for placing liner
Pipe fitting, pole shoe and coil.
A kind of electromagnetic flowmeter of the invention, the material of shell are pure iron material, and inner liner pipe fitting 1 is plastic material；Pure iron
Material can guarantee that the working effect of coil can protect internal structure simultaneously, and inner liner pipe fitting can prevent coil from existing using plastic material
Inner liner pipe fitting nearby work when by inner liner pipe fitting magnetic conduction and generating is influenced.
A kind of electromagnetic flowmeter of the invention is additionally provided with detent slot at two between enclosing and inlet and outlet,
And rubber washer is fixedly installed in detent slot；The working seal that device can be improved, preventing it, water flow flows at work
The work of device is impacted.
A kind of electromagnetic flowmeter of the invention is provided with aperture 5 on the lateral wall of iron pipe 3；Aperture is used for cabling and injecting glue,
And the purpose of injecting glue is for moisture-proof and pressure-bearing.
The internal diameter of inner liner pipe fitting is changed to rectangular by a kind of electromagnetic flowmeter of the invention, at work, user first
Bore, water flow broaden, narrow, so that the liquid flow velocity in working chamber is got higher, while the signal that can increase in working chamber is strong
Degree changes excitation direction with the fixed form of magnetic pole, is mended with magnetic pole into circle, and the coiling around magnetic pole, efficiency improves, can be to encouraging
Magnetic direction is adjusted, and effectively improves the electromotive force of device under equal conditions, effectively improves the working signal of device, to mention
The excitation efficiency of high device, placed cavity need device overall movement to user for placing inner liner pipe fitting, pole shoe and coil
Position, iron pipe can guarantee that the working effect of coil can protect internal structure simultaneously, and inner liner pipe fitting can be prevented using plastic material
The influence generated when coil works near inner liner pipe fitting by inner liner pipe fitting magnetic conduction.
A kind of electromagnetic flowmeter of the invention, in the absence of explanation to the contrary, " up and down, front and back it is inside and outside and
The noun of locality that vertical-horizontal " etc. is included in the term only represents orientation of the term under normal service condition, or is this field
What technical staff understood is commonly called as, and should not be seen as a limitation of this term, at the same time, the names such as " first ", " second " and " () "
Word does not represent specific quantity and sequence, is only used for the differentiation of title, moreover, the terms "include", "comprise" or its
What his variant is intended to non-exclusive inclusion, so that including the process, methods of a series of elements, article or setting
Standby includes not only those elements, but also including other elements that are not explicitly listed, or further includes for this process, side
Method, article or the intrinsic element of equipment.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of electromagnetic flowmeter, including inner liner pipe fitting, the shell matched with inner liner pipe fitting, a pair of of pole shoe, coil, electrode,
The inner liner pipe fitting is provided with working chamber, is respectively arranged with inlet and outlet at the both ends of inner liner pipe fitting；It is characterized in that
It further include couple of conductor device, screening arrangement；Among inner liner pipe fitting outer wall, with the setting of its axisymmetrical, there are two protrusions；?
It is also respectively provided with circle enclosing outstanding at a certain distance from two from inner liner pipe fitting ports, is used for fixed coil and pole shoe,
On inner liner pipe fitting and enclosing, the opposite side of two enclosings, protrusion two sides be respectively arranged with a notch, for placing pole
Boots, two notches are centrosymmetric setting with inner liner pipe fitting central point；The intermediate position of the shell is provided with a through-hole,
It is matched with protrusion, for placing electrode, injecting glue；It is additionally provided with fixed hole in two sides of the protrusion, is led for buckling
Line apparatus；Wire installation and protrusion constitute a circumference；The coil is wrapped in the part of protrusion Yu enclosing, by shell
Through-hole lead；The screening arrangement is mounted on the through hole of shell.
2. electromagnetic flowmeter according to claim 1, characterized in that the wire installation is arcuate structure, in conducting wire
The direction of device circumferentially is provided with the first metallic channel, is arranged in middle part, the direction vertical with circumferencial direction of wire installation
There is the second metallic channel, is used for cabling；It is respectively arranged with pressing at the both ends of wire installation, pressing is used for the maintenance being inserted into protrusion
Hole, fixed electrode.
3. electromagnetic flowmeter according to claim 2, characterized in that the pressing is " ∏ " shape, two angles of pressing
Do chamfered.
4. electromagnetic flowmeter according to claim 2, characterized in that the electrode is "T"-shaped electrode.
5. electromagnetic flowmeter according to claim 1, characterized in that the screening arrangement is metal material, including screen
Shell and screening cover are covered, the shielding case and screening cover are bolted.
6. electromagnetic flowmeter according to claim 1, characterized in that gone back between enclosing and inlet and outlet at two
It is provided with a detent slot, detent slot is respectively arranged in the upper surface of enclosing and side, is placed in detent slot and is higher by detent
The rubber washer of groove depth.
7. electromagnetic flowmeter according to claim 1, characterized in that the enclosure material is pure iron, the internal lining pipe
Part is plastic pipe.
8. electromagnetic flowmeter according to claim 7, characterized in that the working chamber of inner liner pipe fitting is rectangular working chamber, institute
The wider one side for stating rectangular working chamber is opposite with pole shoe.
9. electromagnetic flowmeter according to claim 1, characterized in that be respectively set on the end face at the both ends of the shell
There is bolt hole, for connecting with pipeline by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603958.2A CN110260938A (en) | 2019-07-05 | 2019-07-05 | A kind of electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603958.2A CN110260938A (en) | 2019-07-05 | 2019-07-05 | A kind of electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110260938A true CN110260938A (en) | 2019-09-20 |
Family
ID=67924645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910603958.2A Pending CN110260938A (en) | 2019-07-05 | 2019-07-05 | A kind of electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110260938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503934A (en) * | 2021-07-26 | 2021-10-15 | 湖北创天联航工程技术有限公司 | Electromagnetic flowmeter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010002553A1 (en) * | 1999-12-03 | 2001-06-07 | Willigen Arnould Leendert Van | Magneto-inductive flowmeter |
| CN207649690U (en) * | 2017-12-28 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of novel undergauge electromagnetic flowmeter |
| CN207649702U (en) * | 2017-12-28 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of unlined is convenient for the electromagnetic flowmeter of later maintenance |
| CN207649689U (en) * | 2017-12-26 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of small bore electromagnetic flowmeter |
| CN208366397U (en) * | 2018-07-10 | 2019-01-11 | 威尔沃自动化设备（深圳）有限公司 | A kind of electromagnet flow meter sensor for exempting from insulation liner layer |
| CN209055152U (en) * | 2018-12-07 | 2019-07-02 | 常州市成丰流量仪表有限公司 | A kind of electromagnetic flowmeter |
| CN210089765U (en) * | 2019-07-05 | 2020-02-18 | 山东齐芯智控科技有限公司 | Electromagnetic flowmeter |
-
2019
- 2019-07-05 CN CN201910603958.2A patent/CN110260938A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010002553A1 (en) * | 1999-12-03 | 2001-06-07 | Willigen Arnould Leendert Van | Magneto-inductive flowmeter |
| CN207649689U (en) * | 2017-12-26 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of small bore electromagnetic flowmeter |
| CN207649690U (en) * | 2017-12-28 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of novel undergauge electromagnetic flowmeter |
| CN207649702U (en) * | 2017-12-28 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of unlined is convenient for the electromagnetic flowmeter of later maintenance |
| CN208366397U (en) * | 2018-07-10 | 2019-01-11 | 威尔沃自动化设备（深圳）有限公司 | A kind of electromagnet flow meter sensor for exempting from insulation liner layer |
| CN209055152U (en) * | 2018-12-07 | 2019-07-02 | 常州市成丰流量仪表有限公司 | A kind of electromagnetic flowmeter |
| CN210089765U (en) * | 2019-07-05 | 2020-02-18 | 山东齐芯智控科技有限公司 | Electromagnetic flowmeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503934A (en) * | 2021-07-26 | 2021-10-15 | 湖北创天联航工程技术有限公司 | Electromagnetic flowmeter |
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