CN110805414A - Stroke sensor of electric water injection tool for oil field - Google Patents
Stroke sensor of electric water injection tool for oil field Download PDFInfo
- Publication number
- CN110805414A CN110805414A CN201911096715.0A CN201911096715A CN110805414A CN 110805414 A CN110805414 A CN 110805414A CN 201911096715 A CN201911096715 A CN 201911096715A CN 110805414 A CN110805414 A CN 110805414A
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- China
- Prior art keywords
- shell
- valve
- ring
- stroke sensor
- water injection
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention discloses a stroke sensor of an electric water injection tool for an oil field, which comprises a water pipe, a pipe valve arranged on the water pipe, and a hollow shell arranged above the pipe valve, wherein the shell is fixed on the water pipe through pipe clamps at the left side and the right side of the bottom, a charged fixing ring is arranged in the shell and close to the outer ring, a magnetic ring is uniformly arranged on the charged fixing ring, a plurality of locking mechanisms for clamping the valve rod on the pipe valve are arranged in the shell and close to the middle, each locking mechanism is connected with a fixing mechanism, and the charged fixing ring in the shell is connected with a power distribution. According to the invention, the annular electrified fixed ring and the magnetic ring are arranged to generate a magnetic field in a power-on rotating state, interference influence on the magnetic field is generated when the magnetic steel rotates along with the valve rod, and the interference position is read through the electronic inductor, so that the rotation displacement of the valve rod is obtained, the valve can be quickly and effectively detected and monitored, and remote control and monitoring can be realized when the electric valve is matched.
Description
Technical Field
The invention belongs to the technical field of sensor equipment, and particularly relates to a stroke sensor of an electric water injection tool for an oil field.
Background
The existing oilfield water injection tools are all mechanical water injection tools, and as technical progress designers develop oilfield water injection tools with electric actuating mechanisms, the electric water injection tools relate to the problems of stroke control and valve position feedback of water distribution valves, so that a sensor suitable for being installed inside the electric water injection tools is needed. Most of the principles of available stroke sensors are variable resistors, and the structure is basically in an axial compression or stretching mode and is not suitable for stroke detection in rotary motion. The stroke sensor in a torsion form is also arranged in the prior art, but the stroke sensor is mostly applied to a pump and an engine and used as an internal detection mechanism, the structure of the stroke sensor cannot be matched with the existing electric water injection tool for the oil field, and the stroke sensor cannot be directly installed and used.
Disclosure of Invention
The invention aims to: in order to solve the problem that a stroke sensor on the existing oilfield water injection tool is difficult to effectively apply, the stroke sensor of the oilfield electric water injection tool is provided.
The technical scheme adopted by the invention is as follows:
the utility model provides an electronic water injection instrument stroke sensor in oil field, sets up hollow casing including the pipe valve of installation on water pipe, the water pipe and pipe valve top, the casing is fixed in on the water pipe through the pipe clamp of the bottom left and right sides, is close to outer lane position in the casing and is equipped with electrified solid fixed ring, evenly is equipped with the magnetic ring on the electrified solid fixed ring, be close to the intermediate position in the casing and be equipped with a plurality of locking mechanical system of cliping valve rod on the pipe valve, be connected with fixed establishment on every locking mechanical system, be connected with the magnet steel that is close to the magnetic ring on the valve rod, electrified solid fixed ring in the casing links to each other with the distribution module, the magnetic ring links to each other with encoding circuit, and encoding circuit links.
The fixing mechanism comprises a bottom barrel and a sleeve, wherein the sleeve is partially sleeved in the bottom barrel, a spring is arranged in the bottom barrel, the spring enables the distance between the arc-shaped plate and the valve rod to be adjustable when the valve rod is fixed, and the fixing mechanism can have higher flexibility when a valve without the size is applied.
The locking mechanism comprises an arc-shaped plate which is arranged on the sleeve and is far away from one end of the bottom barrel, the upper end and the lower end of the arc-shaped plate are respectively connected with a locking block, bolt holes are formed in the locking blocks, and the fixing mechanism is connected with the shell in a sliding mode through a sliding mechanism.
Wherein, evenly be equipped with little tooth on the arc, little tooth can increase the frictional force of arc and valve rod, behind fixed valve rod, can obtain the displacement volume change with the valve rod equivalent to guarantee position testing result's accuracy, avoid fixed bad working problem that leads to valve rod rotation length and slide mechanism acquisition volume to differ and arouse to take place.
The sliding mechanism comprises a sliding groove which is formed in the position, close to the magnetic ring, of an opening in the middle of the shell, a sliding rod is arranged in the sliding groove, a fixed block is arranged at the position of the opening in the sliding rod, the magnetic steel is arranged on the fixed block, the fixed block is fixedly connected with a bottom barrel in the fixing mechanism, and the sliding groove limits the rotary displacement of the fixed block to enable the fixed block to be close to the magnetic ring as far as possible, so that the detection precision is.
And only one magnetic steel is arranged in one of the plurality of fixed blocks connected with the fixing mechanism, so that the processing capacity of the microprocessor can be reduced, the processing procedure is simplified, and the efficiency is improved.
The microprocessor is connected with the storage module, the diagnosis alarm module, the communication module and the programming module.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the annular electrified fixed ring and the magnetic ring are arranged to generate a magnetic field in a power-on rotating state, interference influence on the magnetic field is generated when the magnetic steel rotates along with the valve rod, and the interference position is read through the electronic inductor, so that the rotation displacement of the valve rod is obtained, the valve can be quickly and effectively detected and monitored, and remote control and monitoring can be realized when the electric valve is matched.
2. According to the invention, the magnetic steel is driven by the valve rod to influence the magnetic field, the stroke sensor and the pipe valve are two parts, and when the stroke sensor and the pipe valve are applied, the existing pipe valve can be directly additionally arranged without other changes, so that the application cost is low.
3. The stroke sensor has the advantages of simple and reliable technology, low manufacturing cost and convenient installation and use, and is very suitable for detecting the stroke quantity of the tube valve and identifying the valve position.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the housing of the present invention;
FIG. 3 is a schematic view of the structure of the sliding mechanism according to the present invention;
FIG. 4 is a schematic diagram of the locking mechanism and securing mechanism of the present invention;
fig. 5 is a system modular block diagram of the present invention.
The labels in the figure are: 1. a water pipe; 2. a housing; 3. a dust cover; 4. a valve stem; 5. a pipe clamp; 6. a tube valve; 7. a charged fixed ring; 8. a magnetic ring; 9. a sliding mechanism; 10. a chute; 11. an opening; 12. a fixing mechanism; 13. a locking mechanism; 14. a slide bar; 15. a fixed block; 16. a bottom cylinder; 17. a spring; 18. a sleeve; 19. a locking block; 20. an arc-shaped plate; 21. micro-teeth; 22. bolt holes; 23. a microprocessor; 24. a diagnostic alarm module; 25. a storage module; 26. an encoding circuit; 27. a communication module; 28. a power distribution module; 29. an electronic inductor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the first embodiment, please refer to fig. 1 to 5, a stroke sensor for an electric water injection tool in an oil field comprises a water pipe 1, a pipe valve 6 installed on the water pipe 1, and a hollow housing 2 disposed above the pipe valve 6, wherein the housing 2 is fixed on the water pipe 1 through pipe clamps 5 at the left and right sides of the bottom, a charged fixing ring 7 is disposed in the housing 2 near the outer ring, magnetic rings 8 are uniformly disposed on the charged fixing ring 7, a plurality of locking mechanisms 13 for clamping a valve rod 4 on the pipe valve 6 are disposed in the housing 2 near the middle, each locking mechanism 13 is connected with a fixing mechanism 12,
the fixing mechanism 12 comprises a bottom barrel 16 and a sleeve 18 partially sleeved in the bottom barrel 16, a spring 17 is arranged in the bottom barrel 16, the locking mechanism 13 comprises an arc-shaped plate 20 connected with one end of the sleeve 18 far away from the bottom barrel 16, micro-teeth 21 are uniformly arranged on the arc-shaped plate 20, the upper end and the lower end of the arc-shaped plate 20 are respectively connected with a locking block 19, a bolt hole 22 is arranged on the locking block 19, the fixing mechanism 12 is connected with the shell 2 in a sliding way through a sliding mechanism 9,
the sliding mechanism 9 comprises a sliding chute 10 arranged at the position of a middle opening 11 in the shell 2 close to the magnetic ring 8, a sliding rod 14 is arranged in the sliding chute 10, a fixed block 15 is arranged at the position of the opening 11 on the sliding rod 14, the fixed block 15 is fixedly connected with a bottom cylinder 16 in the fixing mechanism 12, only one fixed block 15 in a plurality of fixed blocks 15 connected with the fixing mechanism 12 is provided with magnetic steel,
the electrified fixed ring 7 in the shell 2 is connected with the power distribution module 28, the magnetic ring 8 is connected with the coding circuit 26, the coding circuit 26 is connected with the power distribution module 28 and the electronic inductor 29, and the electronic inductor 29 and the power distribution module 28 are connected with the microprocessor 23 in the shell 2.
In the second embodiment, referring to fig. 1 to 5, a stroke sensor for an electric water injection tool in an oil field comprises a water pipe 1, a pipe valve 6 mounted on the water pipe 1, and a hollow housing 2 disposed above the pipe valve 6, wherein the housing 2 is fixed on the water pipe 1 through pipe clamps 5 at the left and right sides of the bottom, a charged fixing ring 7 is disposed in the housing 2 near the outer ring, magnetic rings 8 are uniformly disposed on the charged fixing ring 7, a plurality of locking mechanisms 13 for clamping a valve rod 4 on the pipe valve 6 are disposed in the housing 2 near the middle, each locking mechanism 13 is connected with a fixing mechanism 12,
the fixing mechanism 12 comprises a bottom barrel 16 and a sleeve 18 partially sleeved in the bottom barrel 16, a spring 17 is arranged in the bottom barrel 16, the locking mechanism 13 comprises an arc-shaped plate 20 connected with one end of the sleeve 18 far away from the bottom barrel 16, micro-teeth 21 are uniformly arranged on the arc-shaped plate 20, the upper end and the lower end of the arc-shaped plate 20 are respectively connected with a locking block 19, a bolt hole 22 is arranged on the locking block 19, the fixing mechanism 12 is connected with the shell 2 in a sliding way through a sliding mechanism 9,
the sliding mechanism 9 comprises a sliding chute 10 arranged at the position of a middle opening 11 in the shell 2 close to the magnetic ring 8, a sliding rod 14 is arranged in the sliding chute 10, a fixed block 15 is arranged at the position of the opening 11 on the sliding rod 14, the fixed block 15 is fixedly connected with a bottom cylinder 16 in the fixing mechanism 12, only one fixed block 15 in a plurality of fixed blocks 15 connected with the fixing mechanism 12 is provided with magnetic steel,
the dust cover 3 is arranged at the upper top of the shell 2, the electrified fixing ring 7 in the shell 2 is connected with the power distribution module 28, the magnetic ring 8 is connected with the coding circuit 26, the coding circuit 26 is connected with the power distribution module 28 and the electronic inductor 29, the electronic inductor 29 and the power distribution module 28 are connected with the microprocessor 23 in the shell 2, and the microprocessor 23 is further connected with the storage module 25, the diagnosis and alarm module 24, the communication module 27 and the programming module 30.
The working principle is as follows: the invention provides a stroke sensor of an electric water injection tool for an oil field, which has ingenious structure, a shell 2 is fixed on a water pipe 1 by a pipe clamp 5 before use, then an arc-shaped plate 20 clamps a valve rod 4, then bolts penetrate through bolt holes 22 on locking blocks 19 at the left end and the right end of the arc-shaped plate 20 to connect adjacent lock catches 19, so that the arc-shaped plate 20 is tightly clamped on the valve rod 4, the friction force between the micro-teeth 21 on the arc-shaped plate 20 and the valve rod 4 is increased, thereby ensuring that the arc-shaped plate 20 can obtain equivalent synchronous rotation when the valve rod 4 rotates, a dust cover 3 is covered on the shell 2 after the valve rod 4 is clamped, preventing foreign matters such as dust and the like from entering the shell 2 and influencing the work of the sensor, when the valve rod 4 rotates, because the arc-shaped plate 20 is fixed, the valve rod 4 rotates to drive the arc-shaped plate 20 to rotate, and further drive a slide rod 14 on a fixed block, when the fixed block 15 is rotating, the magnetic steel rotation in one fixed block 15 disturbs the magnetic field of the electrified fixed ring 7 and the magnetic ring 8, the current on the electrified fixed ring 7 is influenced by the magnetic field, the electronic inductor 29 receives the change of the current, and the position of the influenced magnetic ring 8 is obtained through the coding circuit 26, thereby the position of the fixed block 15 is determined, after the information processing is carried out through the microprocessor 23, the rotation quantity of the valve rod 4 can be obtained, thereby the valve position information is obtained, the information is stored to the storage module 25, meanwhile, the communication module 27 is used for carrying out wired or wireless transmission to the monitoring center, the personnel can directly check the stroke and the position information of the valve, and the control and the monitoring of the water injection work of the oil field are convenient and rapid.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A stroke sensor of an oil field electric water injection tool comprises a water pipe (1), a pipe valve (6) arranged on the water pipe (1) and a hollow shell (2) arranged above the pipe valve (6), and is characterized in that the shell (2) is fixed on the water pipe (1) through pipe clamps (5) on the left side and the right side of the bottom, an electrified fixing ring (7) is arranged in the shell (2) and close to the outer ring, magnetic rings (8) are uniformly arranged on the electrified fixing ring (7), a plurality of locking mechanisms (13) for clamping a valve rod (4) on the pipe valve (6) are arranged in the shell (2) and close to the middle position, each locking mechanism (13) is connected with a fixing mechanism (12), magnetic steel close to the magnetic ring (8) is connected on the valve rod (4), the electrified fixing ring (7) in the shell (2) is connected with a power distribution module (28), the magnetic ring (8) is connected with an encoding circuit (26, the coding circuit (26) is connected to a power distribution module (28) and to an electronic inductor (29), the electronic inductor (29) and the power distribution module (28) being connected to a microprocessor (23) in the housing (2).
2. The oilfield electric water injection tool stroke sensor according to claim 1, wherein the fixing mechanism (12) comprises a bottom cylinder (16) and a sleeve (18) partially sleeved in the bottom cylinder (16), and a spring (17) is arranged in the bottom cylinder (16).
3. The oilfield electric water injection tool stroke sensor according to claim 2, wherein the locking mechanism (13) comprises an arc-shaped plate (20) connected to one end of the sleeve (18) far away from the bottom cylinder (16), the upper end and the lower end of the arc-shaped plate (20) are respectively connected with a locking block (19), the locking block (19) is provided with a bolt hole (22), and the fixing mechanism (12) is slidably connected with the housing (2) through a sliding mechanism (9).
4. The oilfield electrical water injection tool stroke sensor according to claim 3, wherein the curved plate (20) is uniformly provided with microteeth (21).
5. The stroke sensor of the oilfield electric water injection tool as claimed in claim 3, wherein the sliding mechanism (9) comprises a sliding groove (10) formed in the casing (2) at a position close to the magnetic ring (8) and having a middle opening (11), a sliding rod (14) is arranged in the sliding groove (10), a fixed block (15) is mounted on the sliding rod (14) at the position of the opening (11), the magnetic steel is arranged on the fixed block (15), and the fixed block (15) is fixedly connected with a bottom barrel (16) in the fixing mechanism (12).
6. The oilfield electric water injection tool stroke sensor according to claim 5, wherein only one fixed block (15) of the plurality of fixed blocks (15) connected with the fixing mechanism (12) is provided with magnetic steel.
7. The oilfield electric water injection tool stroke sensor according to any one of claims 1 to 6, wherein a dust cover (3) is arranged at the upper top part of the housing (2), and the microprocessor (23) is further connected with a storage module (25), a diagnosis and alarm module (24), a communication module (27) and a programming module (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096715.0A CN110805414A (en) | 2019-11-11 | 2019-11-11 | Stroke sensor of electric water injection tool for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096715.0A CN110805414A (en) | 2019-11-11 | 2019-11-11 | Stroke sensor of electric water injection tool for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110805414A true CN110805414A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911096715.0A Pending CN110805414A (en) | 2019-11-11 | 2019-11-11 | Stroke sensor of electric water injection tool for oil field |
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| Country | Link |
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| CN (1) | CN110805414A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407329A (en) * | 1980-04-14 | 1983-10-04 | Huebsch Donald L | Magnetically operated fail-safe cutoff valve with pressure equalizing means |
| CN2623872Y (en) * | 2003-04-17 | 2004-07-07 | 孙平 | Oil well downhole pumping installation |
| CN201212466Y (en) * | 2007-07-27 | 2009-03-25 | 张洪新 | Oil-submersible and oil production pump driven by DC step permanent magnet linear electric motor |
| CN102032239A (en) * | 2010-12-06 | 2011-04-27 | 韶关液压件厂有限公司 | Anti-bending device for protective tube of long-stroke sensor for hydraulic cylinder |
| CN104791499A (en) * | 2013-12-18 | 2015-07-22 | 法国原子能源和替代能源委员会 | Valve for fluid circulation |
| CN109184637A (en) * | 2018-07-23 | 2019-01-11 | 深圳市佳运通电子有限公司 | The electronic water injection tool stroke sensor in oil field |
-
2019
- 2019-11-11 CN CN201911096715.0A patent/CN110805414A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407329A (en) * | 1980-04-14 | 1983-10-04 | Huebsch Donald L | Magnetically operated fail-safe cutoff valve with pressure equalizing means |
| CN2623872Y (en) * | 2003-04-17 | 2004-07-07 | 孙平 | Oil well downhole pumping installation |
| CN201212466Y (en) * | 2007-07-27 | 2009-03-25 | 张洪新 | Oil-submersible and oil production pump driven by DC step permanent magnet linear electric motor |
| CN102032239A (en) * | 2010-12-06 | 2011-04-27 | 韶关液压件厂有限公司 | Anti-bending device for protective tube of long-stroke sensor for hydraulic cylinder |
| CN104791499A (en) * | 2013-12-18 | 2015-07-22 | 法国原子能源和替代能源委员会 | Valve for fluid circulation |
| CN109184637A (en) * | 2018-07-23 | 2019-01-11 | 深圳市佳运通电子有限公司 | The electronic water injection tool stroke sensor in oil field |
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Application publication date: 20200218 |
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| WD01 | Invention patent application deemed withdrawn after publication |