CN209197813U - A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure - Google Patents
A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure Download PDFInfo
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- CN209197813U CN209197813U CN201821877817.7U CN201821877817U CN209197813U CN 209197813 U CN209197813 U CN 209197813U CN 201821877817 U CN201821877817 U CN 201821877817U CN 209197813 U CN209197813 U CN 209197813U
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- electromagnetic flowmeter
- magnet type
- type electromagnetic
- sensor magnetic
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- 239000007787 solid Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010923 batch production Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model relates to a kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structures, it is structure symmetrical above and below, one end is the cylindrical body for being provided with through-hole, the cylindrical body upper and lower ends are equipped with the first connector and the second connector being fixedly connected, first connector and the second connector are the micro- sector structure of solid that a rectangle and a curved surface are constituted, and the thickness and width of first connector are respectively less than the second connector.The utility model has the advantages that upper and lower symmetric design, structure is simple, and coiling magnet exciting coil is convenient, and installation is simple, and batch production consistency is good.
Description
Technical field
The utility model belongs to sensor magnetic structure, and in particular to a kind of Novel down-hole internal magnet type electromagnetic flowmeter sensing
Device magnetic structure.
Background technique
Electromagnetic flow transducer is made of electromagnetic flowmeter and electromagnetic flux converter, for measuring conducting liquid and slurry
The instantaneous flow and volume flow of liquid.Electromagnetic flow transducer is designed according to Faraday's electromagnetic induction law, in measurement pipe
A pair of of detecting electrode is installed on axis and the orthogonal tube wall of magnetic field magnetic line, when conducting liquid along measurement pipe in alternating magnetic field
In, when with the magnetic line of force at movement in vertical direction, conducting liquid cutting magnetic line generates induced electromotive force, this induced electromotive force is by surveying
Two detecting electrodes detection on buret.
Existing electromagnet flow meter sensor magnetic structure is the magnetic Circuit Design of traditional transformer form, and structure is complicated, around
Magnet exciting coil processed is inconvenient, and installation is inconvenient, and it is poor to produce consistency in batches.
The application underground internal magnet type electromagnetic flowmeter sensor magnetic structure is the magnetic circuit for breaching traditional transformer form
Design principle breaks through traditional thinking mode on the basis of following faraday electromagnetic induction theorem and obtaining, is formed after many experiments
A kind of novel magnetic circuit.
Utility model content
The purpose of this utility model is to solve the above problems, and provides a kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor
Magnetic structure, upper and lower symmetric design, structure is simple, and coiling magnet exciting coil is convenient, and installation is simple, produces consistency in batches
It is good.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure, is structure symmetrical above and below, and one end is to open
There is the cylindrical body of through-hole, the cylindrical body upper and lower ends are equipped with the first connector and the second connector being fixedly connected, described
First connector and the second connector are the micro- sector structure of solid that a rectangle and a curved surface are constituted, first connector
Thickness and width are respectively less than the second connector.
Further, the sensor magnetic structure is made of iron.
The utility model has the beneficial effects that:
The utility model breaches the magnetic circuit design method of traditional transformer form, and symmetrical above and belowization design is convenient primary
Processing, structure is simple, and coiling magnet exciting coil is convenient, and installation is simple, and batch production consistency is good.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model in order to more clearly
Illustrate the utility model embodiment or technical solution in the prior art, for those of ordinary skill in the art, is not paying
Out under the premise of creative work, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the utility model front view；
Fig. 3 is the right view that A-A cuts off rear left-half along Fig. 2.
Specific embodiment
A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure as shown in Figs. 1-3 is symmetrical above and below
Structure, one end are the cylindrical body 1 for being provided with through-hole, 1 upper and lower ends of cylindrical body be equipped with the first connector 2 being fixedly connected and
Second connector 3, first connector 2 and the second connector 3 are the micro- fan-shaped knot of solid that a rectangle and a curved surface are constituted
Structure, the thickness and width of first connector 2 are respectively less than the second connector 3.
Further, the sensor magnetic structure is made of iron.
The key point of the utility model is that the design of the effective length and mechanical structure of magnetic circuit is processed, and protection point is mechanical knot
Structure.
The utility model breaches the magnetic circuit design method of traditional transformer form, and symmetrical above and belowization design is convenient primary
Processing, structure is simple, and coiling magnet exciting coil is convenient, and installation is simple, and batch production consistency is good.
The content not being described in detail in the utility model is the prior art.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (2)
1. a kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure, which is characterized in that it is structure symmetrical above and below,
One end is the cylindrical body (1) for being provided with through-hole, and cylindrical body (1) upper and lower ends are equipped with the first connector (2) being fixedly connected
And second connector (3), first connector (2) and the second connector (3) are the solid that a rectangle and a curved surface are constituted
Micro- sector structure, the thickness and width of first connector (2) are respectively less than the second connector (3).
2. a kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure according to claim 1, feature exist
In the sensor magnetic structure is made of iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877817.7U CN209197813U (en) | 2018-11-15 | 2018-11-15 | A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877817.7U CN209197813U (en) | 2018-11-15 | 2018-11-15 | A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197813U true CN209197813U (en) | 2019-08-02 |
Family
ID=67411737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821877817.7U Expired - Fee Related CN209197813U (en) | 2018-11-15 | 2018-11-15 | A kind of Novel down-hole internal magnet type electromagnetic flowmeter sensor magnetic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455355A (en) * | 2019-08-05 | 2019-11-15 | 中国石油天然气股份有限公司 | Downhole internal flow type electromagnetic flowmeter for water injection well |
-
2018
- 2018-11-15 CN CN201821877817.7U patent/CN209197813U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455355A (en) * | 2019-08-05 | 2019-11-15 | 中国石油天然气股份有限公司 | Downhole internal flow type electromagnetic flowmeter for water injection well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 |