CN112763014B - Oil well measuring system based on internet of things technology - Google Patents
Oil well measuring system based on internet of things technology Download PDFInfo
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- CN112763014B CN112763014B CN202110159329.2A CN202110159329A CN112763014B CN 112763014 B CN112763014 B CN 112763014B CN 202110159329 A CN202110159329 A CN 202110159329A CN 112763014 B CN112763014 B CN 112763014B
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- 239000003129 oil well Substances 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000001931 thermography Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000005299 abrasion Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000010779 crude oil Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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- Immunology (AREA)
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Abstract
An oil well measuring system based on the technology of the Internet of things comprises a vortex flowmeter, wherein the vortex flowmeter is provided with a measuring pipeline, a platform A is arranged on the outer surface of the measuring pipeline, a rotary table A is arranged at the upper part of the platform A, a rotary motor is arranged on the outer surface of the measuring pipeline, and a rotary shaft of the rotary motor is connected with the rotary table A; be equipped with platform B on surveying buret internal surface, be equipped with carousel B on the platform B, be fixed with the cylinder between carousel A and the carousel B, the outermost shell that is thermal-insulated for of cylinder, be equipped with a plurality of through-holes on the thermal-insulated shell, all be equipped with heat conduction thing in every through-hole, be the heat conduction inner shell in the thermal-insulated shell, be equipped with the heat source in the heat conduction inner shell, institute be equipped with a plurality of observation pipelines on vortex flowmeter's the measuring tube, be equipped with thermal imaging camera in the observation pipeline. The system deeply excavates the advantages of the Internet of things, is applied to maintenance of a crude oil single-well measurement system, ensures that workers can master the abrasion condition of instruments in the area in real time and reasonably arrange maintenance work based on the system.
Description
Technical Field
The invention belongs to the technical field of crude oil measuring devices, and particularly relates to an oil well measuring system based on the technology of the Internet of things.
Background
The internet of things is that any object or process needing monitoring, connection and interaction is collected in real time through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors, laser scanners and the like, various required information such as sound, light, heat, electricity, mechanics, chemistry, biology, positions and the like is collected, ubiquitous connection of objects and objects, and ubiquitous connection of objects and people are realized through various possible network accesses, and intelligent sensing, identification and management of the objects and the processes are realized.
The oil well measuring system is generally divided into an oil liquid measuring part and a gas measuring part, and the oil liquid and the gas are respectively measured after gas-liquid separation is carried out on the produced crude oil.
The vortex shedding flowmeter is a flowmeter commonly used in a gas measurement part, and the basic principle is the karman vortex principle, namely: the vortex separation frequency is proportional to the flow velocity. The concrete application is as follows: a cylinder with an approximate isosceles triangle shape is inserted into the measuring pipeline, the axis of the cylinder is perpendicular to the flowing direction of a measured medium, the bottom surface of the cylinder faces the fluid, when the measured medium flows through the cylinder, vortices are alternately generated on two sides of the cylinder and are continuously generated and separated, two rows of vortices which are arranged in a staggered mode are formed on the downstream of the cylinder, and the frequency of vortex separation is in direct proportion to the flow velocity of the medium on the side of the cylinder.
In practice, such problems are encountered: the gas of adopting has certain corrosivity or has impurity, can make the corruption cylinder or adhere to on the bottom surface of cylinder, makes the cylinder warp, and unable law forms the swirl, leads to the inaccurate formation of measurement.
The cylinder is generally fixed in a measuring tube of the vortex flowmeter, the abrasion or attached sundries of the cylinder are not easy to observe, oil wells are mostly in the field in the countryside, the disassembly and the inspection are inconvenient, secondary installation also needs to be calibrated again, and the production can be delayed. Therefore, the vortex shedding flowmeter capable of monitoring the wear degree or preventing sundries from being attached is designed, unnecessary disassembly is avoided, and the vortex shedding flowmeter is very important for realizing intelligent petroleum management.
Disclosure of Invention
In order to meet the requirements, the oil well measuring system based on the internet of things fully utilizes the characteristic that the internet of things can share information, the abrasion degree of the vortex shedding flowmeter can be visually known, maintenance is reasonably arranged, and accurate measurement is guaranteed.
The technical scheme for solving the technical problems of the invention is as follows: an oil well measuring system based on the technology of the Internet of things comprises a wireless data transceiver and a vortex flowmeter, wherein a controller of the vortex flowmeter is connected with the wireless data transceiver, and the wireless data transceiver is connected with a control center;
the vortex flowmeter is provided with a measuring pipeline, a platform A is arranged on the outer surface of the measuring pipeline, a mounting hole is formed in the platform A, a turntable A is arranged on the upper portion of the platform A, a plurality of sealing grooves A are formed between the turntable A and the platform A, a sealing ring A is arranged in each sealing groove A, a support is arranged on the outer surface of the measuring pipeline, a rotating motor is arranged on each support and connected with a controller, and a rotating shaft of each rotating motor is connected with the turntable A;
a platform B is arranged on the inner surface of the measuring tube, a circular groove is formed in the platform B, a turntable B is arranged on the platform B, a positioning circular shaft is arranged at the bottom of the turntable B and inserted into the circular groove, a plurality of sealing grooves B are formed between the turntable B and the platform B, and sealing rings B are arranged in the sealing grooves;
a cylinder is fixed between the turntable A and the turntable B, a heat insulation outer shell is arranged on the outermost layer of the cylinder, the thickness of the heat insulation outer shell is not more than the maximum allowable abrasion value of the cylinder, a plurality of through holes are formed in the heat insulation outer shell, a heat conductor is arranged in each through hole, the abrasion resistance of the heat conductor is not lower than that of the heat insulation outer shell, a heat conduction inner shell is arranged in the heat insulation outer shell, a heat source is arranged in the heat conduction inner shell, and the heat source is connected with a controller;
the vortex shedding flowmeter is characterized in that a plurality of observation pipelines are arranged on a measurement pipeline of the vortex shedding flowmeter and are communicated with the measurement pipeline, and a thermal imaging camera is arranged in each observation pipeline and is connected with a controller.
Preferably, the heat insulation shell is divided into an outer layer, a middle layer and an inner layer, and the three layers of heat insulation performance are as follows: outer layer > middle layer > inner layer.
Preferably, the outer layer is made of polyurethane, the middle layer is made of ABS plastic, and the inner layer is made of epoxy resin.
Preferably, the heat conductor and the heat conducting inner shell are both made of copper or aluminum alloy.
Preferably, the wireless data transceiver is connected with the control center by using 4G or 5G signals.
Preferably, the through hole is long-strip-shaped.
Preferably, the heat source is an electric heating rod.
Preferably, the cross section of the cylinder is an equilateral triangle.
Preferably, the method for arranging the thermal imaging camera on the observation pipeline comprises the following steps: the observation pipeline is internally provided with threads, the thermal imaging camera shell is also provided with threads, and the thermal imaging camera shell are connected through the threads.
Through setting up the position and the quantity of observing the pipeline, each department of guaranteeing the cylinder can both be shot, at interval a period, opens the heat source, shoots each face of cylinder through thermal imaging camera, then transmits the picture for control center, carries out manual work or software analysis, under the normal condition, can show at the picture on each face of cylinder has the high temperature facula the same with the through-hole shape.
If the cylinder is worn, the high-temperature light spots appearing on the picture become more and are irregular, the degree of the worn depth is different, and the color of the light spots is different (the more worn, the darker the color of the light spots), so that the worn position on the cylinder, the worn area and the worn depth can be calculated, the influence of the worn position on the measurement result is analyzed, compensation operation is carried out, or the vortex shedding flowmeter is replaced.
In a preferred scheme, the heat insulation shell is divided into three layers with different heat insulation properties, and the color difference of thermal imaging is more obvious, so that the depth degree of abrasion can be more easily distinguished.
If the surface of the cylinder body is attached with impurities, the original high-temperature light spots on the picture become light, the more the attachments are, the lighter the light spots are, then the cylinder body is rotated, the attachment surface is enabled to flow in the direction of the measured fluid, the impurities adsorbed on the attachment surface can be taken away by the measured fluid, then the rotation resetting is carried out, and meanwhile, the compensation operation is carried out, for example, the flow average value of the cylinder body at the same time before and after the rotation is taken, and the flow compensation is carried out.
In the preferred scheme, the cross section of the cylinder is an equilateral triangle, and one side surface of the cylinder is directly rotated and converted into the bottom surface without compensation operation.
The thermal imaging camera activity sets up in observing the pipeline, shelters from or the trouble when the thermal imaging camera lens by the foreign matter, only need close one side air inlet valve, tear the camera open wash or change can, the process is very fast, and is little to the production influence.
The invention has the beneficial effects that: the advantage of deep excavation thing networking to be applied to crude oil single well measurement system's maintenance with it, based on this system, guarantee that the staff can master the wearing and tearing condition of instrument in the region in real time, rationally arrange maintenance work.
Drawings
The invention is further illustrated with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the structure of the column.
FIG. 3 is a schematic view of the column of example 1 after rotation.
In the figure: 1. the method comprises the steps of measuring a pipeline, 2, a rotary disc B, 3, a positioning circular shaft, 4, a sealing ring B, 5, a cylinder, 5.1, a heat insulation outer shell, 5.2, a heat conduction inner shell, 6, a sealing ring A, 7, a support, 8, a rotating motor, 9, rotary discs A, 10, an observation pipeline, 11, a thermal imaging camera and 12, a heat source.
Detailed Description
Example 1
Fig. 1, 2 and 3 show an oil well measuring system based on internet of things technology, in which: 1. the method comprises the steps of measuring a pipeline, 2, a rotary disc B, 3, a positioning circular shaft, 4, a sealing ring B, 5, a cylinder, 5.1, a heat insulation outer shell, 5.2, a heat conduction inner shell, 6, a sealing ring A, 7, a support, 8, a rotating motor, 9, rotary discs A, 10, an observation pipeline, 11, a thermal imaging camera and 12, a heat source. The vortex shedding flowmeter comprises a wireless data transceiver and a vortex shedding flowmeter, wherein a controller of the vortex shedding flowmeter is connected with the wireless data transceiver, and the wireless data transceiver is connected with a control center;
the vortex flowmeter is provided with a measuring pipeline, a platform A is arranged on the outer surface of the measuring pipeline, a mounting hole is formed in the platform A, a turntable A is arranged on the upper portion of the platform A, a plurality of sealing grooves A are formed between the turntable A and the platform A, a sealing ring A is arranged in each sealing groove A, a support is arranged on the outer surface of the measuring pipeline, a rotating motor is arranged on each support and connected with a controller, and a rotating shaft of each rotating motor is connected with the turntable A;
a platform B is arranged on the inner surface of the measuring tube, a circular groove is formed in the platform B, a turntable B is arranged on the platform B, a positioning circular shaft is arranged at the bottom of the turntable B and inserted into the circular groove, a plurality of sealing grooves B are formed between the turntable B and the platform B, and sealing rings B are arranged in the sealing grooves;
a cylinder is fixed between the turntable A and the turntable B, a heat insulation outer shell is arranged on the outermost layer of the cylinder, the thickness of the heat insulation outer shell is not more than the maximum allowable abrasion value of the cylinder, a plurality of through holes are formed in the heat insulation outer shell, a heat conductor is arranged in each through hole, the abrasion resistance of the heat conductor is not lower than that of the heat insulation outer shell, a heat conduction inner shell is arranged in the heat insulation outer shell, a heat source is arranged in the heat conduction inner shell, and the heat source is connected with a controller;
the vortex shedding flowmeter is characterized in that a plurality of observation pipelines are arranged on a measurement pipeline of the vortex shedding flowmeter and are communicated with the measurement pipeline, and a thermal imaging camera is arranged in each observation pipeline and is connected with a controller.
In this example, the heat insulation shell is divided into an outer layer, a middle layer and an inner layer, and the heat insulation performance of the three layers is as follows: outer layer > middle layer > inner layer.
In this embodiment, the outer layer is made of polyurethane, the middle layer is made of ABS plastic, and the inner layer is made of epoxy resin.
In this example, the heat conductor and the heat-conducting inner shell are both made of copper.
In this example, the wireless data transceiver is connected to the control center by a 4G signal.
In this example, the through hole is a long strip.
In this example, the heat source is an electric bar.
In this example, the method for arranging the thermal imaging camera in the observation pipeline includes: the observation pipeline is internally provided with threads, the thermal imaging camera shell is also provided with threads, and the thermal imaging camera shell are connected through the threads.
Example 2
Fig. 1 and 2 show an oil well measuring system based on internet of things technology, in which: 1. the method comprises the steps of measuring a pipeline, 2, a rotary disc B, 3, a positioning circular shaft, 4, a sealing ring B, 5, a cylinder, 5.1, a heat insulation outer shell, 5.2, a heat conduction inner shell, 6, a sealing ring A, 7, a support, 8, a rotating motor, 9, rotary discs A, 10, an observation pipeline, 11, a thermal imaging camera and 12, a heat source. The vortex shedding flowmeter comprises a wireless data transceiver and a vortex shedding flowmeter, wherein a controller of the vortex shedding flowmeter is connected with the wireless data transceiver, and the wireless data transceiver is connected with a control center;
the vortex flowmeter is provided with a measuring pipeline, a platform A is arranged on the outer surface of the measuring pipeline, a mounting hole is formed in the platform A, a turntable A is arranged on the upper portion of the platform A, a plurality of sealing grooves A are formed between the turntable A and the platform A, a sealing ring A is arranged in each sealing groove A, a support is arranged on the outer surface of the measuring pipeline, a rotating motor is arranged on each support and connected with a controller, and a rotating shaft of each rotating motor is connected with the turntable A;
a platform B is arranged on the inner surface of the measuring tube, a circular groove is formed in the platform B, a turntable B is arranged on the platform B, a positioning circular shaft is arranged at the bottom of the turntable B and inserted into the circular groove, a plurality of sealing grooves B are formed between the turntable B and the platform B, and sealing rings B are arranged in the sealing grooves;
a cylinder is fixed between the turntable A and the turntable B, a heat insulation outer shell is arranged on the outermost layer of the cylinder, the thickness of the heat insulation outer shell is not more than the maximum allowable abrasion value of the cylinder, a plurality of through holes are formed in the heat insulation outer shell, a heat conductor is arranged in each through hole, the abrasion resistance of the heat conductor is not lower than that of the heat insulation outer shell, a heat conduction inner shell is arranged in the heat insulation outer shell, a heat source is arranged in the heat conduction inner shell, and the heat source is connected with a controller;
the vortex shedding flowmeter is characterized in that a plurality of observation pipelines are arranged on a measurement pipeline of the vortex shedding flowmeter and are communicated with the measurement pipeline, and a thermal imaging camera is arranged in each observation pipeline and is connected with a controller.
In this example, the heat insulation shell is divided into an outer layer, a middle layer and an inner layer, and the heat insulation performance of the three layers is as follows: outer layer > middle layer > inner layer.
In this embodiment, the outer layer is made of polyurethane, the middle layer is made of ABS plastic, and the inner layer is made of epoxy resin.
In this example, the heat conductor and the heat-conducting inner shell are both made of aluminum alloy.
In this example, the wireless data transceiver is connected to the control center by a 5G signal.
In this example, the through hole is a long strip.
In this example, the heat source is an electric bar.
In this example, the cross-section of the cylinder is an equilateral triangle.
In this example, the method for arranging the thermal imaging camera in the observation pipeline includes: the observation pipeline is internally provided with threads, the thermal imaging camera shell is also provided with threads, and the thermal imaging camera shell are connected through the threads.
Claims (9)
1. The utility model provides an oil well measurement system based on internet of things, includes wireless data transceiver and vortex flowmeter, characterized by: the controller of the vortex shedding flowmeter is connected with a wireless data transceiver, and the wireless data transceiver is connected with a control center;
the vortex flowmeter is provided with a measuring pipeline, a platform A is arranged on the outer surface of the measuring pipeline, a mounting hole is formed in the platform A, a turntable A is arranged on the upper portion of the platform A, a plurality of sealing grooves A are formed between the turntable A and the platform A, a sealing ring A is arranged in each sealing groove A, a support is arranged on the outer surface of the measuring pipeline, a rotating motor is arranged on each support and connected with a controller, and a rotating shaft of each rotating motor is connected with the turntable A;
a platform B is arranged on the inner surface of the measuring tube, a circular groove is formed in the platform B, a turntable B is arranged on the platform B, a positioning circular shaft is arranged at the bottom of the turntable B and inserted into the circular groove, a plurality of sealing grooves B are formed between the turntable B and the platform B, and sealing rings B are arranged in the sealing grooves;
a cylinder is fixed between the turntable A and the turntable B, a heat insulation outer shell is arranged on the outermost layer of the cylinder, the thickness of the heat insulation outer shell is not more than the maximum allowable abrasion value of the cylinder, a plurality of through holes are formed in the heat insulation outer shell, a heat conductor is arranged in each through hole, the abrasion resistance of the heat conductor is not lower than that of the heat insulation outer shell, a heat conduction inner shell is arranged in the heat insulation outer shell, a heat source is arranged in the heat conduction inner shell, and the heat source is connected with a controller;
the vortex shedding flowmeter is characterized in that a plurality of observation pipelines are arranged on a measurement pipeline of the vortex shedding flowmeter and are communicated with the measurement pipeline, and a thermal imaging camera is arranged in each observation pipeline and is connected with a controller.
2. The internet of things technology-based oil well measuring system of claim 1, wherein: the heat insulation shell is divided into an outer layer, a middle layer and an inner layer, and the heat insulation performance of the three layers is as follows: outer layer > middle layer > inner layer.
3. The internet of things technology-based oil well measuring system of claim 2, wherein: the outer layer is made of polyurethane, the middle layer is made of ABS plastic, and the inner layer is made of epoxy resin.
4. The internet of things technology-based oil well measuring system of claim 1, wherein: the heat conductor and the heat conducting inner shell are both made of copper or aluminum alloy.
5. The internet of things technology-based oil well measuring system of claim 1, wherein: the wireless data transceiver is connected with the control center by adopting 4G or 5G signals.
6. The internet of things technology-based oil well measuring system of claim 1, wherein: the through hole is in a long strip shape.
7. The internet of things technology-based oil well measuring system of claim 1, wherein: the heat source is an electric heating rod.
8. The internet of things technology-based oil well measuring system of claim 1, wherein: the cross section of the cylinder is an equilateral triangle.
9. The internet of things technology-based oil well measuring system of claim 1, wherein: the method for arranging the thermal imaging camera on the observation pipeline comprises the following steps: the observation pipeline is internally provided with threads, the thermal imaging camera shell is also provided with threads, and the thermal imaging camera shell are connected through the threads.
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| CN202110159329.2A CN112763014B (en) | 2021-02-05 | 2021-02-05 | Oil well measuring system based on internet of things technology |
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| CN202110159329.2A CN112763014B (en) | 2021-02-05 | 2021-02-05 | Oil well measuring system based on internet of things technology |
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| CN112763014B true CN112763014B (en) | 2021-09-21 |
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| CN210321842U (en) * | 2019-10-12 | 2020-04-14 | 广州西森自动化控制设备有限公司 | Automatic compensation type vortex shedding flowmeter capable of being used for Internet of things |
| CN211086171U (en) * | 2019-11-21 | 2020-07-24 | 咸阳职业技术学院 | Metal component defect detection device |
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