CN207730274U - A kind of electromagnetism water meter measurement pipe - Google Patents
A kind of electromagnetism water meter measurement pipe Download PDFInfo
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- CN207730274U CN207730274U CN201820070521.8U CN201820070521U CN207730274U CN 207730274 U CN207730274 U CN 207730274U CN 201820070521 U CN201820070521 U CN 201820070521U CN 207730274 U CN207730274 U CN 207730274U
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Abstract
The utility model discloses a kind of electromagnetism water meter measurement pipes, include mainly 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 inner end in outer end, the utility model uses in-out end symmetrical structure, it can ensure forward and reverse measurement consistency, when flow passes through miniature cone entry position, the structure can carry out rectification to flow, make waterflow stabilization and improve flow velocity in miniature undergauge position, convenient for effective measurement of solution flow velocity when relatively low, pipeline section undergauge is usually small in the crushing less than 10 ° simultaneously, can be ignored.The measurement pipeline section uses certain thickness stainless steel pipe, can bear certain hydraulic pressure, its entirety is made not deformed because of hydraulic pressure.
Description
Technical field
The present invention relates to electromagnetism water meter fields, more particularly, to a kind of electromagnetism water meter measurement pipe.
Background technology
There are two types of common structures for the technical solution of existing electromagnetism water meter：Latus rectum type is all one straight using entire measuring section
The pipe size in diameter size, entrance and exit and centre position is the same.Serious undergauge type, entrance is larger, intermediate
It is smaller, the electromagnetism sensor of water meter of both the above structure flow measurement technical aspect there is a problem of two it is bigger：
1, pipeline section design use inside nominal diameter, the process program implement it is fairly simple, conveniently, it is cost-effective, still
Measurement performance is poor, can not solve flow velocity compared with effective metering under low state, range is smaller, and the range for adapting to flow velocity is smaller.
2, 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, and energy consumption of electrical machinery is brought to add
Greatly, it is unfavorable for energy conservation and environmental protection.
3, what is measured is linear poor, and non-linear from minimum discharge to maximum stream flow, each measurement point must be by multiple
Precision could be met after correcting, in this way in measurement process if a failure occurs, the interchangeability of equipment is with regard to very poor.
Forward and reverse measurement effect is bad, cannot since liner is not one-pass molding to technological problems during actual fabrication
It is full symmetric about 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.
Invention content
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, includes mainly measurement pipe, and 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 inner end in outer end；External port positioned at the conical pipe of the left and right sides is socketed respectively
There are circular input end flange part and outlet end flange part, and input end flange part, outlet end flange part, conical pipe and survey
Buret is in coaxial setting；It is equipped on 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, convenient for effective measurement of solution flow velocity when relatively low；The survey
The outer wall medium position of buret is opened up there are two the reference electrode hole of face setting, and reference electrode is equipped with reference electrode in hole,
And the outer wall medium position of measurement pipe is further opened with the measuring electrode hole of two faces setting, and survey is installed in measuring electrode hole
Electrode is measured, realizes that the measuring signal negative terminal of equipment accesses using reference electrode, 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 and measures electromotive force equipment, and measures water-outlet body with this
Flow velocity.
As a further solution of the present invention：Equal gluing is fitted in rubber on the conical pipe and the inner wall of measurement pipe
Lining, wherein measurement pipe and the rubber liner of conical pipe intersection are in 50 ° of -200 ° of arc-shaped transition structures.
As a further solution of the present invention：The outer end of the rubber liner and input end flange part and outlet end flange part
Face gluing connection.
As a further solution of the present invention：Material used by the rubber liner be mold of EPDM and mold at
Type.
As a further solution 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 a further solution of the present invention：It is solid that flange part is offered on the input end flange part and outlet end orchid part
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 consistency, when
When flow passes through miniature cone position, which can carry out rectification to flow, make waterflow stabilization and improved in miniature undergauge position
Flow velocity, convenient for effective measurement of solution flow velocity when relatively low, while pipeline section undergauge is usually small in the crushing less than 10 °.
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
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With 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.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of electromagnetism water meter measurement pipe includes mainly 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 inner end in outer end；Cone positioned at the left and right sides
The external port of shape pipe 2 is respectively sleeved on circular 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 being embedded in for 2 external port of conical pipe, and the external port extension position of conical pipe 2 are equipped on inner ring face
It sets exterior annular and is 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 be 6 °-
10 °, conical pipe 2 is in micro- wimble structure at this time, which can carry out rectification to flow, make waterflow stabilization and in miniature undergauge position
Flow velocity is improved, convenient for effective measurement of solution flow velocity when relatively low；The outer wall medium position of the measurement pipe 1 is opened up there are two face
The reference electrode hole of setting is equipped 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 of two faces setting, 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
It measures electrode 8 to be then used to connect to measure 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 holds out against position with the contact of the embedded welding groove of annular and seals 5 equipped with close full weld.
The contact surface of the seal boss 4 and conical pipe 2 is equipped with close full weld and seals 5.
The rubber liner 6 is connect with the outer end face gluing of input end flange part 3 and outlet end flange part 7.
Material used by the rubber liner 6 is mold of EPDM and mold molding.
Spacing size between the reference electrode 9 is equal to the inner 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 to measure unanimously
Property, when flow passes through miniature cone position, which can carry out flow rectification, make waterflow stabilization and in miniature undergauge position
Flow velocity is improved, convenient for effective measurement of solution flow velocity when relatively low, while pipeline section undergauge is usually in the crushing less than 10 °
It is small.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, 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 above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of electromagnetism water meter measurement pipe includes mainly measurement pipe, which is characterized 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 inner end in outer end；Positioned at the external port of the conical pipe of the left and right sides
It is respectively sleeved on circular input end flange part and outlet end flange part, and input end flange part, outlet end flange part, taper
Pipe and measurement pipe are in coaxial setting；It is equipped with for conical pipe on the inner ring face of the input end flange part and outlet end flange part
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 of two faces setting, is equipped with reference electrode in reference electrode hole, and the outer wall medium position of measurement pipe is also
The measuring electrode hole of face setting there are two opening up, and measuring electrode is installed in measuring electrode hole.
2. electromagnetism water meter measurement pipe according to claim 1, which is characterized in that on the conical pipe and the inner wall of measurement pipe
Equal gluing is fitted with rubber liner, and the rubber liner of wherein measurement pipe and conical pipe intersection is in 50 ° of -200 ° of arc-shaped transition knots
Structure.
3. electromagnetism water meter measurement pipe according to claim 2, which is characterized in that the rubber liner and input end flange part
It is connected with the outer end face gluing of outlet end flange part.
4. electromagnetism water meter measurement pipe according to claim 2, which is characterized in that material is used by the rubber liner
EPDM。
5. electromagnetism water meter measurement pipe according to claim 1, which is characterized in that the spacing size between the reference electrode
Equal to the inner diameter size of measurement pipe.
6. electromagnetism water meter measurement pipe according to claim 1, which is characterized 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 |
|---|---|---|---|
| CN201820070521.8U CN207730274U (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 |
|---|---|---|---|
| CN201820070521.8U CN207730274U (en) | 2018-01-16 | 2018-01-16 | A kind of electromagnetism water meter measurement pipe |
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| Publication Number | Publication Date |
|---|---|
| CN207730274U true CN207730274U (en) | 2018-08-14 |
Family
ID=63082630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820070521.8U Active CN207730274U (en) | 2018-01-16 | 2018-01-16 | A kind of electromagnetism water meter measurement pipe |
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| CN (1) | CN207730274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020281A (en) * | 2018-01-16 | 2018-05-11 | 南京惠然测控技术有限公司 | A kind of electromagnetism water meter measurement pipe |
| CN111473832A (en) * | 2020-04-23 | 2020-07-31 | 特福隆（上海）科技有限公司 | Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter |
-
2018
- 2018-01-16 CN CN201820070521.8U patent/CN207730274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020281A (en) * | 2018-01-16 | 2018-05-11 | 南京惠然测控技术有限公司 | A kind of electromagnetism water meter measurement pipe |
| CN111473832A (en) * | 2020-04-23 | 2020-07-31 | 特福隆（上海）科技有限公司 | Internal pressure measuring method and internal pressure measuring device of electromagnetic water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Measuring tube for electromagnetic water meter Effective date of registration: 20191028 Granted publication date: 20180814 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Nanjing City Branch Pledgor: NANJING HUIRAN MEASUREMENT AND CONTROL TECHNOLOGY CO., LTD. Registration number: Y2019980000310 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200827 Granted publication date: 20180814 Pledgee: Bank of Jiangsu Limited by Share Ltd. Nanjing City Branch Pledgor: NANJING HUIRAN MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2019980000310 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electromagnetic water meter measuring tube Effective date of registration: 20200828 Granted publication date: 20180814 Pledgee: Bank of Jiangsu Limited by Share Ltd. Nanjing City Branch Pledgor: NANJING HUIRAN MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2020980005509 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210930 Granted publication date: 20180814 Pledgee: Bank of Jiangsu Limited by Share Ltd. Nanjing City Branch Pledgor: NANJING HUIRAN MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2020980005509 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |