CN108020281A - A kind of electromagnetism water meter measurement pipe - Google Patents
A kind of electromagnetism water meter measurement pipe Download PDFInfo
- Publication number
- CN108020281A CN108020281A CN201810041845.3A CN201810041845A CN108020281A CN 108020281 A CN108020281 A CN 108020281A CN 201810041845 A CN201810041845 A CN 201810041845A CN 108020281 A CN108020281 A CN 108020281A
- Authority
- CN
- China
- Prior art keywords
- pipe
- flange part
- measurement pipe
- measurement
- end flange
- 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
- 238000005259 measurement Methods 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000007493 shaping process 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
Landscapes
- Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention discloses a kind of electromagnetism water meter measurement pipe, main to include measurement pipe, measurement pipe main body is in straight tube-like structure, and the conical pipe that the left and right port of measurement pipe is seamlessly transitted to being connected to circular arc, symmetrical structure between conical pipe, and be in integral structure between conical pipe and measurement pipe；Conical pipe is in the small formula structure in the big the inner in outer end, the present invention uses in-out end symmetrical structure, it can ensure forward and reverse measurement uniformity, when current pass through miniature cone entry position, the structure can carry out rectification to current, make waterflow stabilization and improve flow velocity in miniature undergauge position, easy to solve flow velocity it is relatively low when effective measurement, crushing of the pipeline section undergauge usually in the case of less than 10 ° is small at the same time, can be ignored.The measurement pipeline section uses certain thickness stainless steel pipe, can bear certain hydraulic pressure, its entirety is not deformed because of hydraulic pressure.
Description
Technical field
The present invention relates to electromagnetism water meter field, more particularly, to a kind of electromagnetism water meter measurement pipe.
Background technology
The technical solution of existing electromagnetism water meter has two kinds of common structures：Latus rectum type, is all one straight using whole measuring section
What the pipe size in footpath size, entrance and exit and centre position was just as.Serious undergauge type, entrance is larger, middle
Smaller, the electromagnetism sensor of water meter of both the above structure is flow measurement technical elements are bigger there are two the problem of：
1st, pipeline section design use inside nominal diameter, the process program implement it is fairly simple, conveniently, cost-effective, but measurement
Poor-performing, can not solve flow velocity compared with effective metering under low state, range is smaller, and the scope for adapting to flow velocity is smaller.
2nd, pipeline section design uses serious undergauge mode, which is also easier to realize, simple, price is also relatively
Low, although the program solves metering of the flow velocity compared with low state, but it is larger to bring the pressure loss, brings energy consumption of electrical machinery to add
Greatly, it is unfavorable for energy conservation and environmental protection.
3rd, measurement is linear poor, and non-linear from minimum discharge to maximum stream flow, each measurement point must be by multiple
It could meet precision after correcting, in the event of failure so in measurement process, the interchangeability of equipment is with regard to very poor.
Forward and reverse measurement effect is bad, and due to technological problems, liner is not one-pass molding during actual fabrication, it is impossible to
It is full symmetric on center line to reach equipment both sides, causes forward and reverse entrance opening dimension different, the result of final forward and reverse measurement
It is different.
The content of the invention
The present invention is to overcome the above situation insufficient, it is desirable to provide a kind of technical solution that can be solved the above problems.
A kind of electromagnetism water meter measurement pipe, mainly including measurement pipe, measurement pipe is in straight tube-like structure, and the left and right end of measurement pipe
The conical pipe that is seamlessly transitted to being connected to circular arc of mouth, symmetrical structure between conical pipe, and between conical pipe and measurement pipe
In integral structure；Conical pipe is in the small formula structure in the big the inner in outer end；External port positioned at the conical pipe of the left and right sides is socketed respectively
There are the input end flange part and outlet end flange part of annular shape, and input end flange part, outlet end flange part, conical pipe and survey
Buret is in coaxial setting；It is equipped with the inner ring face of the input end flange part and outlet end flange part embedding for conical pipe external port
The embedded welding groove of annular entered, and the external port extension position exterior annular of conical pipe is arranged with seal boss, and seal boss
It is pressed on the outer surface of conical pipe；It is in one between the input end flange part, outlet end flange part and corresponding seal boss
Body formula structure；The gradient size of the conical pipe is 6 ° -10 °, and conical pipe is in micro- wimble structure at this time, which can flow into water
Row rectification, makes waterflow stabilization and improves flow velocity in miniature undergauge position, easy to solve flow velocity it is relatively low when effective measurement；The survey
The outer wall medium position of buret offers the reference electrode hole that two faces are set, and reference electrode is provided with reference electrode in hole,
And the outer wall medium position of measurement pipe is further opened with the measuring electrode hole that two faces are set, and survey is installed in measuring electrode hole
Electrode is measured, the measuring signal negative terminal for realizing equipment using reference electrode accesses, with this by medium potential and table bulk potential equipotential,
As the negative terminal of circuit preamplifier, and measuring electrode is then used to connect measurement electromotive force equipment, and measures water-outlet body with this
Flow velocity.
As the further scheme of the present invention：It is gluing on the conical pipe and the inner wall of measurement pipe to be fitted with rubber
Lining, wherein measurement pipe and the rubber liner of conical pipe intersection are in 50 ° of -200 ° of arc-shaped transition structures.
As the further scheme of the present invention：The outer end of the rubber liner and input end flange part and outlet end flange part
The gluing connection in face.
As the further scheme of the present invention：Used by the rubber liner material be mold of EPDM and mould into
Type.
As the further scheme of the present invention：The internal diameter that spacing size between the reference electrode is equal to measurement pipe is big
It is small.
As the further scheme of the present invention：Flange part is offered on input end flange part and the port of export orchid part to consolidate
Determine screw hole.
Beneficial effects of the present invention：The present invention uses in-out end symmetrical structure, it is ensured that forward and reverse measurement uniformity, when
When current pass through miniature cone position, which can carry out rectification to current, make waterflow stabilization and improved in miniature undergauge position
Flow velocity, easy to solve flow velocity it is relatively low when effective measurement, while crushing of the pipeline section undergauge usually in the case of less than 10 ° is small.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the left view of the present invention.
In figure：The close full weld sealing of 1- measurement pipes, 2- conical pipes, 3- input ends flange part, 4- seal bosses, 5-, 6- rubbers
Glue inside lining, 7- outlet end flanges part, 8- measuring electrodes, 9- reference electrodes, 10- flange part fixing threaded holes.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of electromagnetism water meter measurement pipe, mainly includes measurement pipe 1, measurement pipe
1 is in straight tube-like structure, and the left and right port of measurement pipe 1 is to being connected to conical pipe 2, symmetrical structure between conical pipe 2, and
It is in integral structure between conical pipe 2 and measurement pipe 1；Conical pipe 2 is in the small formula structure in the big the inner in outer end；Cone positioned at the left and right sides
The external port of shape pipe 2 be respectively sleeved on annular shape input end flange part 3 and outlet end flange part 7, and input end flange part 3,
Outlet end flange part 7, conical pipe 2 and measurement pipe 1 are in coaxial setting；The input end flange part 3 and outlet end flange part 7
The annular embedding sealing welding groove for the insertion of 2 external port of conical pipe, and the external port extension position of conical pipe 2 are equipped with inner ring face
Put exterior annular and be arranged with seal boss 4, and seal boss 4 is pressed on the outer surface of conical pipe 2；The input end flange part 3,
It is in integral structure between outlet end flange part 7 and corresponding seal boss 4；The gradient size of the conical pipe 2 for 6 °-
10 °, conical pipe 2 is in micro- wimble structure at this time, which can carry out rectification to current, make waterflow stabilization and in miniature undergauge position
Improve flow velocity, easy to solve flow velocity it is relatively low when effective measurement；The outer wall medium position of the measurement pipe 1 offers two faces
The reference electrode hole of setting, is provided with reference electrode 9 in reference electrode hole, and the outer wall medium position of measurement pipe 1 is further opened with
The measuring electrode hole that two faces are set, and measuring electrode 8 is installed in measuring electrode hole, realize equipment using reference electrode 9
Measuring signal negative terminal accesses, and with this by medium potential and table bulk potential equipotential, as the negative terminal of circuit preamplifier, and surveys
Measure electrode 8 to be then used to connect measurement electromotive force equipment, and water volume flow rate is measured with this.
The conical pipe 2 is fitted with rubber liner 6, wherein measurement pipe 1 and conical pipe with gluing on the inner wall of measurement pipe 1
The rubber liner 6 of 2 intersections is in 50 ° of -200 ° of arc-shaped transition structures.
The conical pipe 2 contact with the embedded welding groove of annular holds out against position equipped with close full weld sealing 5.
The contact surface of the seal boss 4 and conical pipe 2 is equipped with close full weld sealing 5.
The gluing connection of outer end face of the rubber liner 6 and input end flange part 3 and outlet end flange part 7.
Material is mold of EPDM and mould shaping used by the rubber liner 6.
Spacing size between the reference electrode 9 is equal to the internal diameter size of measurement pipe 1.
Flange part fixing threaded hole 10 is offered on the input end flange part 3 and outlet end flange part 7.
The present invention operation principle be：The present invention uses entrance end symmetrical structure, it is ensured that forward and reverse measurement is consistent
Property, when current pass through miniature cone position, which can carry out current rectification, make waterflow stabilization and in miniature undergauge position
Improve flow velocity, easy to solve flow velocity it is relatively low when effective measurement, while crushing of the pipeline section undergauge usually in the case of less than 10 °
It is small.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (6)
1. a kind of electromagnetism water meter measurement pipe, mainly including measurement pipe, it is characterised in that it is in straight tube-like structure to measure, and measurement pipe
The conical pipe that is seamlessly transitted to being connected to circular arc of left and right port, symmetrical structure between conical pipe, and conical pipe and survey
It is in integral structure between buret；Conical pipe is in the small formula structure in the big the inner in outer end；Positioned at the external port of the conical pipe of the left and right sides
It is respectively sleeved on the input end flange part and outlet end flange part of annular shape, and input end flange part, outlet end flange part, taper
Pipe and measurement pipe are in coaxial setting；It is equipped with the inner ring face of the input end flange part and outlet end flange part for conical pipe
The embedded welding groove of annular of external port insertion, and the external port extension position exterior annular of conical pipe is arranged with seal boss, and
Seal boss is pressed on the outer surface of conical pipe；The input end flange part, outlet end flange part and corresponding seal boss
Between be in integral structure；The gradient size of the conical pipe is 6 ° -10 °；The outer wall medium position of the measurement pipe offers
The reference electrode hole that two faces are set, is provided with reference electrode in reference electrode hole, and the outer wall medium position of measurement pipe is also
The measuring electrode hole that two faces are set is offered, and measuring electrode is installed in measuring electrode hole.
2. electromagnetism water meter measurement pipe according to claim 1, it is characterised in that on the conical pipe and the inner wall of measurement pipe
Gluing to be fitted with rubber liner, wherein measurement pipe and the rubber liner of conical pipe intersection is in 50 ° of -200 ° of arc-shaped transition knots
Structure.
3. electromagnetism water meter measurement pipe according to claim 2, it is characterised in that the rubber liner and input end flange part
With the gluing connection of outer end face of outlet end flange part.
4. electromagnetism water meter measurement pipe according to claim 2, it is characterised in that material is used by the rubber liner
EPDM。
5. electromagnetism water meter measurement pipe according to claim 1, it is characterised in that the spacing size between the reference electrode
Equal to the internal diameter size of measurement pipe.
6. electromagnetism water meter measurement pipe according to claim 1, it is characterised in that the input end flange part and outlet hold-carrying
Flange part fixing threaded hole is offered on blue part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041845.3A CN108020281A (en) | 2018-01-16 | 2018-01-16 | A kind of electromagnetism water meter measurement pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041845.3A CN108020281A (en) | 2018-01-16 | 2018-01-16 | A kind of electromagnetism water meter measurement pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108020281A true CN108020281A (en) | 2018-05-11 |
Family
ID=62071621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810041845.3A Pending CN108020281A (en) | 2018-01-16 | 2018-01-16 | A kind of electromagnetism water meter measurement pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108020281A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896696A (en) * | 2005-07-15 | 2007-01-17 | 横河电机株式会社 | Electromagnetic flowmeter |
| DE102009031873A1 (en) * | 2009-07-06 | 2011-01-13 | Siemens Aktiengesellschaft | Magnetically inductive flow meter for determining flow speed of fluid, has contact elements corresponding to electrode arrangements and provided for automatic contacting of arrangements at mounted state of insert at measuring tube |
| CN103292853A (en) * | 2013-05-28 | 2013-09-11 | 浦瑞斯仪表（上海）有限公司 | Ceramic measuring tube for electromagnetic flowmeter |
| CN104165662A (en) * | 2014-05-26 | 2014-11-26 | 上海肯特仪表股份有限公司 | Unlined pipeline type necking electromagnetic water meter |
| CN204286515U (en) * | 2014-12-22 | 2015-04-22 | 浦瑞斯仪表（上海）有限公司 | Quarter bend formula electromagnetic flow transducer |
| CN204313902U (en) * | 2015-01-05 | 2015-05-06 | 上海迪纳声科技股份有限公司 | The Ultrasonic water meter with rectification function measures pipeline section |
| CN204313901U (en) * | 2015-01-05 | 2015-05-06 | 上海迪纳声科技股份有限公司 | Multi-paths Ultrasonic water meter, calorimeter are with measuring pipeline section |
| CN204854842U (en) * | 2015-07-03 | 2015-12-09 | 上海迪纳声科技股份有限公司 | Supersound water gauge is with measuring pipeline section |
| CN205879266U (en) * | 2016-07-27 | 2017-01-11 | 上海光华仪表有限公司 | Electricity magnetic current water gauge |
| CN207730274U (en) * | 2018-01-16 | 2018-08-14 | 南京惠然测控技术有限公司 | A kind of electromagnetism water meter measurement pipe |
-
2018
- 2018-01-16 CN CN201810041845.3A patent/CN108020281A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896696A (en) * | 2005-07-15 | 2007-01-17 | 横河电机株式会社 | Electromagnetic flowmeter |
| DE102009031873A1 (en) * | 2009-07-06 | 2011-01-13 | Siemens Aktiengesellschaft | Magnetically inductive flow meter for determining flow speed of fluid, has contact elements corresponding to electrode arrangements and provided for automatic contacting of arrangements at mounted state of insert at measuring tube |
| CN103292853A (en) * | 2013-05-28 | 2013-09-11 | 浦瑞斯仪表（上海）有限公司 | Ceramic measuring tube for electromagnetic flowmeter |
| CN104165662A (en) * | 2014-05-26 | 2014-11-26 | 上海肯特仪表股份有限公司 | Unlined pipeline type necking electromagnetic water meter |
| CN204286515U (en) * | 2014-12-22 | 2015-04-22 | 浦瑞斯仪表（上海）有限公司 | Quarter bend formula electromagnetic flow transducer |
| CN204313902U (en) * | 2015-01-05 | 2015-05-06 | 上海迪纳声科技股份有限公司 | The Ultrasonic water meter with rectification function measures pipeline section |
| CN204313901U (en) * | 2015-01-05 | 2015-05-06 | 上海迪纳声科技股份有限公司 | Multi-paths Ultrasonic water meter, calorimeter are with measuring pipeline section |
| CN204854842U (en) * | 2015-07-03 | 2015-12-09 | 上海迪纳声科技股份有限公司 | Supersound water gauge is with measuring pipeline section |
| CN205879266U (en) * | 2016-07-27 | 2017-01-11 | 上海光华仪表有限公司 | Electricity magnetic current water gauge |
| CN207730274U (en) * | 2018-01-16 | 2018-08-14 | 南京惠然测控技术有限公司 | A kind of electromagnetism water meter measurement pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180511 |