CN209195391U - A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator - Google Patents
A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator Download PDFInfo
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- CN209195391U CN209195391U CN201821851190.8U CN201821851190U CN209195391U CN 209195391 U CN209195391 U CN 209195391U CN 201821851190 U CN201821851190 U CN 201821851190U CN 209195391 U CN209195391 U CN 209195391U
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- magnetic
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- flow regulator
- water flow
- flowmeter
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Abstract
The utility model relates to a kind of dedicated interior magnetic flowmeter magnetic structures of downhole water flow regulator, it is structure symmetrical above and below, center is insulated liner set, outermost layer is sensor framework, it is symmetrical above and below between the insulated liner set and sensor framework to be equipped with electrode assembly, it is magnetic loop around the electrode assembly, is equipped with magnet on the outside of the magnetic loop, the magnet is externally provided with magnet exciting coil；The magnet exciting coil, magnet and magnetic loop are symmetrical arranged, and are set between insulated liner set and sensor framework.The utility model has the advantages that can mechanical coiling magnet exciting coil, easy for installation, high yield rate, magnetic circuit consistency is good.
Description
Technical field
The utility model belongs to electromagnetic flow transducer field, and in particular to a kind of dedicated interior magnetic flowmeter of downhole water flow regulator
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.
The dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator is redesigned novel to cooperate flowmeter to manufacture
Magnetic structure, principle follow faraday electromagnetic induction theorem, are to design reasonable magnetic in existing general injection well downhole flow regulator small space
Electromagnetic induction is completed on road.Existing structure is all made of profile linear cutter, and processing installation is inconvenient, and yield rate is low, cannot be mechanical
Coiling magnet exciting coil.
Utility model content
The purpose of this utility model is to solve the above problems, and provides a kind of dedicated interior magnetic flowmeter magnetic circuit knot of downhole water flow regulator
Structure, can mechanical coiling magnet exciting coil, easy for installation, high yield rate, magnetic circuit consistency is good.
To achieve the above object, the utility model provides the following technical solutions:
A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator is structure symmetrical above and below, and center is insulated liner
Set, outermost layer is sensor framework, symmetrical above and below equipped with electrode assembly between the insulated liner set and sensor framework, described
It is magnetic loop around electrode assembly, is equipped with magnet on the outside of the magnetic loop, the magnet is externally provided with magnet exciting coil；The excitation wire
Circle, magnet and magnetic loop are symmetrical arranged, and are set between insulated liner set and sensor framework.
Further, the magnetic structure is integrally made of the soft Ci alloy of high magnetic conduction rare earth.
Further, the magnet is dies.
Further, the insulated liner set is injection molding.
Further, the magnetic structure is the dedicated interior magnetic flowmeter magnetic structure of 22 injection well downhole flow regulator of underground Φ.
The utility model has the beneficial effects that:
The utility model is made of parts such as magnet, magnetic loop, shielding shells, design symmetrical above and below, using transformer class
Like structure type, produced convenient for batch machining；Can mechanical coiling magnet exciting coil, easy for installation, high yield rate, magnetic circuit consistency
It 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 cross-sectional view of the dedicated interior magnetic flowmeter of downhole water flow regulator；
Fig. 2 is the section B-B figure of Fig. 1, as the utility model structure sectional view.
Specific embodiment
A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator as shown in Figs. 1-2 is structure symmetrical above and below, in
The heart is insulated liner set 1, and outermost layer is sensor framework 2, symmetrical above and below between the insulated liner set 1 and sensor framework 2
It is magnetic loop 4 around the electrode assembly 3 equipped with electrode assembly 3, is equipped with magnet 6 on the outside of the magnetic loop 4, outside the magnet 6
Equipped with magnet exciting coil 5；The magnet exciting coil 5, magnet 6 and magnetic loop 4 are symmetrical arranged, and are set to insulated liner set 1 and are passed
Between sensor skeleton 2.
Further, the magnetic structure is integrally made of the soft Ci alloy of high magnetic conduction rare earth.
Further, the magnet 6 is dies.
Further, the insulated liner set 1 is injection molding, diameter 8mm.
Further, the magnetic structure is the dedicated interior magnetic flowmeter magnetic structure of 22 injection well downhole flow regulator of underground Φ.
The key point of the utility model is the effective length design of magnetic circuit, and protection point is the mechanical structure of magnetic circuit.
The utility model is made of parts such as magnet 6, magnetic loop 4, shielding shells, design symmetrical above and below, using transformer
Similar structures form produces convenient for batch machining；Can mechanical coiling magnet exciting coil, easy for installation, high yield rate, magnetic circuit consistency
It 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 (5)
1. a kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator, which is characterized in that it is structure symmetrical above and below, and center is
Insulated liner set (1), outermost layer are sensor framework (2), between the insulated liner set (1) and sensor framework (2) up and down
It is symmetrically arranged with electrode assembly (3), is around the electrode assembly (3) magnetic loop (4), magnet is equipped on the outside of the magnetic loop (4)
(6), the magnet (6) is externally provided with magnet exciting coil (5)；The magnet exciting coil (5), magnet (6) and magnetic loop (4) are symmetrically set
It sets, and is set between insulated liner set (1) and sensor framework (2).
2. the dedicated interior magnetic flowmeter magnetic structure of a kind of downhole water flow regulator according to claim 1, which is characterized in that described
Magnetic structure is integrally made of the soft Ci alloy of high magnetic conduction rare earth.
3. the dedicated interior magnetic flowmeter magnetic structure of a kind of downhole water flow regulator according to claim 1, which is characterized in that described
Magnet (6) is dies.
4. the dedicated interior magnetic flowmeter magnetic structure of a kind of downhole water flow regulator according to claim 1, which is characterized in that described
Insulated liner set (1) is injection molding.
5. the dedicated interior magnetic flowmeter magnetic structure of a kind of downhole water flow regulator according to any one of claims 1 to 4, feature
It is, the magnetic structure is the dedicated interior magnetic flowmeter magnetic structure of 22 injection well downhole flow regulator of underground Φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851190.8U CN209195391U (en) | 2018-11-12 | 2018-11-12 | A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851190.8U CN209195391U (en) | 2018-11-12 | 2018-11-12 | A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195391U true CN209195391U (en) | 2019-08-02 |
Family
ID=67411188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821851190.8U Active CN209195391U (en) | 2018-11-12 | 2018-11-12 | A kind of dedicated interior magnetic flowmeter magnetic structure of downhole water flow regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195391U (en) |
-
2018
- 2018-11-12 CN CN201821851190.8U patent/CN209195391U/en active Active
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