CN111997591A - Continuous working fluid level monitoring device - Google Patents
Continuous working fluid level monitoring device Download PDFInfo
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- CN111997591A CN111997591A CN202011015953.7A CN202011015953A CN111997591A CN 111997591 A CN111997591 A CN 111997591A CN 202011015953 A CN202011015953 A CN 202011015953A CN 111997591 A CN111997591 A CN 111997591A
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Abstract
The invention discloses a continuous working fluid level monitoring device, which comprises: the device comprises a shell, a base, a sound sensor, a solenoid valve assembly and an integrated circuit board; an oil pipe interface is arranged at one end of the shell; the base is arranged in the shell and divides the interior of the shell into two chambers, wherein the chamber close to one side of the oil pipe interface is a first chamber, the chamber far away from one side of the oil pipe interface is a second chamber, an air inlet channel and an air outlet channel are arranged in the base, one end of the air inlet channel is connected to the first chamber, and one end of the air outlet channel is connected to the exterior of the shell; the sound sensor is arranged in the first cavity; the electromagnetic valve assembly is arranged in the second cavity and is used for communicating or disconnecting the air inlet channel and the air outlet channel; the integrated circuit board is electrically connected with the sound sensor and the electromagnetic valve assembly respectively. The invention has the advantages of good integrity, simple and compact structure, high integration and small volume.
Description
Technical Field
The invention relates to the technical field of oil well working fluid level measurement, in particular to a continuous working fluid level monitoring device.
Background
In the process of oil field production, the working fluid level between an oil pipe and a sleeve is an important index for reflecting the liquid supply capacity of a stratum, and is an important basis for determining the reasonable submergence degree of an oil well pump and formulating a reasonable working system in oil extraction production.
The working principle of the existing working fluid level monitoring device is as follows: once the monitoring device receives an instruction or reaches a set time, the electromagnetic valve is started to deflate according to set parameters to generate infrasonic waves as a measurement infrasonic source, infrasonic echoes are generated when a casing coupling and a liquid level barrier are encountered, the echoes are received and collected by an echo detection circuit and are stored in a storage chip after being encoded and compressed, after the measurement is finished, a data sending program is started, the compressed data, the casing pressure, the wellhead temperature and relevant parameters of equipment per se are sent to a remote monitoring center through a GPRS network, and the monitoring center decompresses and analyzes the received data to obtain data such as the height of the liquid level of the oil well.
At present, most of working fluid level monitoring devices adopt a structure that finished product electromagnetic valves purchased in the market are connected in series between an air inlet and an air outlet (specifically, refer to the Chinese invention patent CN202215233U), and the integrity, the compactness and the integration of the structure are poorer, and the volume is larger. In addition, the lowest temperature resistance index of the existing electromagnetic valve can only reach-20 ℃, and the temperature index of-20 ℃ is greatly reduced due to the fact that the electromagnetic valve is installed on a wellhead of an oil well, water vapor and moisture are large, so that the low-temperature index of a product is limited by the short plate, and the working state of the product in winter in the north is greatly influenced by the water vapor and the moisture in the well condition.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the continuous working fluid level monitoring device which is good in integrity, simple and compact in structure, high in integration and small in size.
The invention provides a continuous working fluid level monitoring device, which comprises: the oil pipe connector is arranged at one end of the shell; the base is arranged in the shell and divides the interior of the shell into two chambers, wherein the chamber close to one side of the oil pipe interface is a first chamber, the chamber far away from one side of the oil pipe interface is a second chamber, an air inlet channel and an air outlet channel are arranged in the base, one end of the air inlet channel is connected to the first chamber, and one end of the air outlet channel is connected to the exterior of the shell; an acoustic sensor disposed within the first chamber; the electromagnetic valve assembly is arranged in the second chamber and is used for communicating or disconnecting the air inlet channel and the air outlet channel; and the integrated circuit board is electrically connected with the sound sensor and the electromagnetic valve assembly respectively.
Furthermore, a groove is formed in one side, close to the second chamber, of the base; the air inlet channel and the air outlet channel are respectively connected into the grooves; the electromagnetic valve assembly comprises a valve body and a valve core arranged in the valve body, the valve body is connected to the base outside the groove in a sealing mode, and the valve core extends into the groove and can advance and retreat under the driving of the valve body to block or open the air inlet channel or the air outlet channel.
Furthermore, a fixed iron core is arranged in the valve body, a coil is wound outside the valve body, a spring is arranged between the valve core and the fixed iron core, and the spring is used for providing a pre-tightening force for the valve core to tightly push against the joint of the air inlet channel or the air outlet channel.
Further, the periphery of the valve body, which is close to one end of the base, is provided with a convex edge, and the pressing ring is sleeved with a pressing ring used for pressing the convex edge on the base, and the pressing ring and the base are fixed through screws.
Further, the base is further provided with pressure relief holes, two ends of each pressure relief hole are communicated with the air inlet channel and the outer portion of the shell respectively, and pressure relief screws are arranged in the pressure relief holes.
Further, still include battery pack, battery pack with integrated circuit board electricity is connected.
Further, the shell comprises an oil pipe joint, an outer cylinder and a rear cover; the oil pipe joint and the outer barrel are respectively fixedly sleeved at two ends of the base, the oil pipe interface is arranged at one end, far away from the base, of the oil pipe joint, the electromagnetic valve assembly is arranged outside the outer barrel, the rear cover is arranged at one end, far away from the base, of the outer barrel, and the battery assembly is arranged in the rear cover.
Further, one side of the base, which is close to the first cavity, is provided with a mounting groove, a base is embedded in the mounting groove, and the sound sensor is mounted on the base.
Further, still install pressure sensor on the base, pressure sensor is connected with integrated circuit board electricity.
Further, the inboard of casing encircles the solenoid valve subassembly is provided with the electrical heating stick, the electrical heating stick with integrated circuit board electricity is connected.
The invention has the beneficial effects that:
the oil pipe interface of the continuous working fluid level monitoring device is connected with an oil well casing pipe, during work, the electromagnetic valve component keeps the air inlet channel and the air outlet channel normally closed, when an instantaneous pulse is provided for the electromagnetic valve component, the electromagnetic valve component works, the air inlet channel is communicated with the air outlet channel, pressure gas in the oil well casing pipe is discharged outwards to generate sound waves, the sound waves are transmitted into the casing pipe, when the sound waves meet a casing pipe coupling and a liquid level obstacle, the sound waves are reflected back, the sound sensor receives the returned sound waves, and the integrated circuit board calculates the liquid level depth of an oil well by collecting the return time of the sound waves.
This application is through setting up the base in the casing, the base separates into two cavities with the inside of casing, one of them cavity is interior to install sound sensor and connects the oil well sleeve pipe, another cavity is interior to install solenoid valve subassembly, simultaneously with inlet channel and outlet channel integration on a base, and control inlet channel and outlet channel's break-make through solenoid valve subassembly, adopt the structure of the finished product solenoid valve series connection between air inlet and gas outlet on the market for prior art, the wholeness of this application is better, simple structure is compact, the degree of integrating is high, the volume is also littleer, its gas circuit structure is more succinct simultaneously, sealed point is few, job stabilization nature is high.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
In the drawings, 10-housing; 11-tubing interface; 12-a first chamber; 13-a second chamber; 14-tubing joints; 15-outer cylinder; 16-a rear cover; 20-a base; 21-an intake passage; 22-an air outlet channel; 23-a groove; 24-a pressure relief vent; 25-pressure relief screw; 26-mounting grooves; 27-a base; 30-a sound sensor; 40-a solenoid valve assembly; 41-a valve body; 411-raised edge; 412-a pressure ring; 42-a valve core; 43-a fixed iron core; 44-a coil; 45-spring; 50-an integrated circuit board; 60-a battery assembly; 70-a pressure sensor; 80-electric heating rod.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1, an embodiment of the present invention provides a continuous working fluid level monitoring apparatus including a housing 10, a base 20, a sound sensor 30, a solenoid valve assembly 40, and an integrated circuit board 50.
An oil pipe interface 11 is arranged at one end of the shell 10, the base 20 is arranged in the shell 10 and divides the interior of the shell 10 into two chambers, wherein the chamber close to one side of the oil pipe interface 11 is a first chamber 12, the chamber far away from one side of the oil pipe interface 11 is a second chamber 13, an air inlet channel 21 and an air outlet channel 22 are arranged in the base 20, one end of the air inlet channel 21 is connected to the first chamber 12, and one end of the air outlet channel 22 is connected to the exterior of the shell 10.
The sound sensor 30 is disposed in the first chamber 12, the solenoid valve assembly 40 is disposed in the second chamber 13 for connecting or disconnecting the inlet passage 21 and the outlet passage 22, and the integrated circuit board 50 is electrically connected to the sound sensor 30 and the solenoid valve assembly 40, respectively.
A groove 23 is formed on one side of the base 20 close to the second chamber 13, and the inlet channel 21 and the outlet channel 22 are respectively connected to the groove 23. The solenoid valve assembly 40 includes a valve body 41 and a valve core 42 disposed in the valve body 41, the valve body 41 is hermetically connected to the base 20 outside the groove 23, and the valve core 42 extends into the groove 23 and can be driven by the valve body 41 to move forward and backward to block or open the inlet passage 21 or the outlet passage 22. Specifically, a fixed iron core 43 is arranged in the valve body 41, a coil 44 is wound outside the valve body 41, a spring 45 is arranged between the valve core 42 and the fixed iron core 43, and the spring 45 is used for providing a pre-tightening force for the valve core 42 to tightly push against the interface of the air inlet channel 21 or the air outlet channel 22.
Generally, the solenoid valve assembly 40 keeps the inlet passage 21 and the outlet passage 22 normally closed, when a transient pulse is provided to the coil 44 of the solenoid valve assembly 40, the fixed iron core 43 is attracted with the valve core 42, the inlet passage 21 and the outlet passage 22 are communicated for air release, after the coil 44 is powered off, the spring 45 drives the valve core 42 to be pressed against the interface to block the inlet passage 21 or the outlet passage 22, and therefore the inlet passage 21 and the outlet passage 22 are cut off.
The valve body 41 and the base 20 need to be sealed, in order to facilitate the installation of the valve body 41 on the base 20, a protruding edge 411 is arranged on the periphery of one end of the valve body 41 close to the base 20, a pressing ring 412 used for pressing the protruding edge 411 on the base 20 is sleeved on the outer periphery of the one end of the valve body 41 close to the base 20, the pressing ring 412 and the base 20 are fixed through screws, and in order to improve the sealing performance between the valve body 41 and the base 20, an O-ring can be arranged between the protruding edge 411 and the base.
The oil pipe interface 11 of the continuous working fluid level monitoring device is connected with an oil well casing, when the continuous working fluid level monitoring device works, the electromagnetic valve assembly 40 keeps the air inlet channel 21 and the air outlet channel 22 normally closed, when an instantaneous pulse is provided for the electromagnetic valve assembly 40, the electromagnetic valve assembly 40 works, the air inlet channel 21 is communicated with the air outlet channel 22, pressure gas in the oil well casing is discharged outwards to generate sound waves, the sound waves are transmitted into the casing, when the sound waves meet a casing coupling and a liquid level obstacle, the sound waves are reflected back, the sound sensor 30 receives the returned sound waves, and the integrated circuit board 50 calculates the liquid level depth of an oil well by collecting the return time of the.
This application is through setting up base 20 in casing 10, base 20 separates into two cavities with the inside of casing 10, installation sound sensor 30 and oil well casing pipe in one of them cavity, another cavity is interior to be installed solenoid valve subassembly 40, simultaneously with inlet channel 21 and air outlet channel 22 integration on a base 20, and control inlet channel 21 and air outlet channel 22's break-make through solenoid valve subassembly 40, adopt the structure of the finished product solenoid valve series connection between air inlet and gas outlet on the market for prior art, the wholeness of this application is better, simple structure is compact, the degree of integrating is high, the volume is also littleer, its gas circuit structure is more succinct simultaneously, sealed some is few, job stabilization nature is high.
In an embodiment, the base 20 is further provided with a pressure relief hole 24, two ends of which are respectively communicated with the air inlet channel 21 and the outside of the casing 10, and a pressure relief screw 25 is arranged in the pressure relief hole 24, so that the air in the air inlet channel 21 can be relieved by loosening the pressure relief screw 25.
The embodiment further includes a battery module 60, wherein the battery module 60 is electrically connected to the integrated circuit board 50 to supply power to the entire monitoring device through the battery module 60, and the battery module 60 may be a solar battery module 60. Of course, in other embodiments, the monitoring device may be externally powered.
In one embodiment, to facilitate assembly, the housing 10 includes a tubing joint 14, an outer barrel 15 and a rear cover 16; the oil pipe joint 14 and the outer cylinder 15 are respectively fixed at two ends of the base 20 in a sleeved mode, the oil pipe joint 11 is arranged at one end, far away from the base 20, of the oil pipe joint 14, the electromagnetic valve assembly 40 is arranged outside the outer cylinder 15, the rear cover 16 covers one end, far away from the base 20, of the outer cylinder 15, and the battery assembly 60 is arranged in the rear cover 16. In order to improve the sealing performance of the connection between the components, O-rings are respectively arranged between the base 20 and the oil pipe joint 14 and the outer cylinder 15, and between the rear cover 16 and the outer cylinder 15.
In one embodiment, a mounting slot 26 is formed on a side of the base 20 adjacent to the first chamber 12, a base 27 is embedded in the mounting slot 26, and the sound sensor 30 is mounted on the base 27. A pressure sensor 70 is mounted on the base 27, the pressure sensor 70 is electrically connected to the integrated circuit board 50, and the pressure sensor 70 detects the air pressure inside the oil well casing.
In one embodiment, the electric heating rod 80 is disposed around the solenoid valve assembly 40 on the inner side of the housing 10, the electric heating rod 80 is electrically connected to the integrated circuit board 50, and when the temperature is lower than minus 5 ℃, the integrated circuit board 50 controls the electric heating rod 80 to work to heat the solenoid valve assembly 40, so that the solenoid valve assembly can adapt to extreme cold weather, and the overall working temperature range of the product can reach minus 40 ℃.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A continuous working fluid level monitoring apparatus, comprising:
the oil pipe connector is arranged at one end of the shell;
the base is arranged in the shell and divides the interior of the shell into two chambers, wherein the chamber close to one side of the oil pipe interface is a first chamber, the chamber far away from one side of the oil pipe interface is a second chamber, an air inlet channel and an air outlet channel are arranged in the base, one end of the air inlet channel is connected to the first chamber, and one end of the air outlet channel is connected to the exterior of the shell;
an acoustic sensor disposed within the first chamber;
the electromagnetic valve assembly is arranged in the second chamber and is used for communicating or disconnecting the air inlet channel and the air outlet channel; and the number of the first and second groups,
and the integrated circuit board is electrically connected with the sound sensor and the electromagnetic valve assembly respectively.
2. The continuous working fluid level monitoring device of claim 1 wherein a side of said base adjacent to said second chamber is recessed;
the air inlet channel and the air outlet channel are respectively connected into the grooves;
the electromagnetic valve assembly comprises a valve body and a valve core arranged in the valve body, the valve body is connected to the base outside the groove in a sealing mode, and the valve core extends into the groove and can advance and retreat under the driving of the valve body to block or open the air inlet channel or the air outlet channel.
3. The continuous working fluid level monitoring device according to claim 2, wherein a fixed iron core is arranged in the valve body, a coil is wound outside the valve body, a spring is arranged between the valve core and the fixed iron core, and the spring is used for providing a pretightening force for the valve core to be tightly propped against the interface of the air inlet channel or the air outlet channel.
4. The continuous working fluid level monitoring device according to claim 3, wherein a convex edge is arranged on the periphery of one end of the valve body close to the base, a pressing ring used for pressing the convex edge on the base is sleeved on the valve body, and the pressing ring and the base are fixed through screws.
5. The continuous working fluid level monitoring device according to claim 2, wherein the base is further provided with a pressure relief hole, two ends of the pressure relief hole are respectively communicated with the air inlet channel and the outside of the shell, and a pressure relief screw is arranged in the pressure relief hole.
6. The continuous meniscus monitoring device of claim 1, further comprising a battery assembly electrically connected to the integrated circuit board.
7. The continuous working fluid level monitoring device of claim 6 wherein said housing comprises a tubing nipple, an outer barrel and a rear cover;
the oil pipe joint and the outer barrel are respectively fixedly sleeved at two ends of the base, the oil pipe interface is arranged at one end, far away from the base, of the oil pipe joint, the electromagnetic valve assembly is arranged outside the outer barrel, the rear cover is arranged at one end, far away from the base, of the outer barrel, and the battery assembly is arranged in the rear cover.
8. The continuous working fluid level monitoring device of claim 1 wherein a mounting groove is provided on a side of the base adjacent to the first chamber, a base is embedded in the mounting groove, and the acoustic sensor is mounted on the base.
9. The continuous working fluid level monitor device of claim 8, wherein said base further has a pressure sensor mounted thereon, said pressure sensor being electrically connected to said integrated circuit board.
10. The continuous working fluid level monitoring device of claim 1 wherein the inside of the housing is provided with an electrical heating rod around the solenoid valve assembly, the electrical heating rod being electrically connected to the integrated circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015953.7A CN111997591A (en) | 2020-09-24 | 2020-09-24 | Continuous working fluid level monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015953.7A CN111997591A (en) | 2020-09-24 | 2020-09-24 | Continuous working fluid level monitoring device |
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| Publication Number | Publication Date |
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| CN111997591A true CN111997591A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011015953.7A Pending CN111997591A (en) | 2020-09-24 | 2020-09-24 | Continuous working fluid level monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727449A (en) * | 2021-04-06 | 2021-04-30 | 东营钧辰石油设备有限责任公司 | Automatic monitor for liquid level of sound source oil well |
-
2020
- 2020-09-24 CN CN202011015953.7A patent/CN111997591A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727449A (en) * | 2021-04-06 | 2021-04-30 | 东营钧辰石油设备有限责任公司 | Automatic monitor for liquid level of sound source oil well |
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