CN113194290A - Oil field and oil well data acquisition system and acquisition method thereof - Google Patents
Oil field and oil well data acquisition system and acquisition method thereof Download PDFInfo
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- CN113194290A CN113194290A CN202110465942.7A CN202110465942A CN113194290A CN 113194290 A CN113194290 A CN 113194290A CN 202110465942 A CN202110465942 A CN 202110465942A CN 113194290 A CN113194290 A CN 113194290A
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- 239000003129 oil well Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 13
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
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- 239000002184 metal Substances 0.000 claims description 28
- 230000001960 triggered effect Effects 0.000 claims description 24
- 230000006698 induction Effects 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000005341 toughened glass Substances 0.000 claims description 7
- 238000013519 translation Methods 0.000 claims description 6
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- 230000001681 protective effect Effects 0.000 claims description 5
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- 238000013480 data collection Methods 0.000 claims description 2
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- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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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
- E21B47/06—Measuring temperature or pressure
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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Abstract
The invention discloses an oil field oil well data acquisition system and an acquisition method thereof, wherein the system comprises an oil well space, a transmission pipeline and a data acquisition terminal, the transmission pipeline is arranged in the oil well space, a transmission oil pump is arranged at the bottom of the transmission pipeline, a pressure sensor and a temperature sensor are arranged on the transmission pipeline, and a mechanical pressure linkage mechanism is arranged on the transmission pipeline. The pressure sensor and the temperature sensor are respectively used for acquiring the pressure and the temperature in the transmission pipeline, and when the pressure in the transmission pipeline is too high and the supporting steel plate is transversely moved and spread, the supporting steel plate at the left side drives the second extrusion cross rod to horizontally move and extrude to the second pressing switch, so that the wide-angle camera and the illuminating lamp are synchronously started, the mechanical pressure gauge and the pointer thermometer can conveniently shoot the pressure and temperature values in the transmission pipeline detected in a mechanical mode by means of the wide-angle camera, and the pressure and temperature values are transmitted to the display screen at the data acquisition terminal.
Description
Technical Field
The invention relates to the technical field of oil field and oil well data acquisition, in particular to an oil field and oil well data acquisition system and an oil field and oil well data acquisition method.
Background
The oil field oil well is mainly used for exploiting oil, a plurality of devices are needed to be used for assistance in the oil exploitation process, a transmission pipeline is indispensable, various data in the pipeline need to be collected constantly in the transmission process of the oil, so that the real-time adjustment and processing are facilitated, and the commonly collected data mainly include pipeline pressure and temperature;
the data acquisition system of the oil field oil well has the following defects: pressure and temperature data in the pipeline of general oil field oil well department only rely on electronic component such as some sensors to carry out backstage remote acquisition, but electronic component receives external disturbance easily and is fragile, it is stable to have no mechanical component, in case corresponding condition appears, effective data can't be gathered, when pipeline pressure temperature numerical value is too big too high like this, if electronic component gathers when the deviation appears in data, can lead to backstage staff can't in time master corresponding data, thereby serious consequence appears easily, but the data that general mechanical component gathered need the staff scene to look over, it is more troublesome again.
Disclosure of Invention
The invention aims to provide an oil field oil well data acquisition system and an oil field oil well data acquisition method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an oil field oil well data acquisition system comprises an oil well space, a transmission pipeline and a data acquisition terminal, wherein the transmission pipeline is arranged in the oil well space, a transmission oil pump is arranged at the bottom of the transmission pipeline, a pressure sensor and a temperature sensor are arranged on the transmission pipeline, the pressure sensor and the temperature sensor are both electrically connected with the data acquisition terminal, a first alarm is arranged on the data acquisition terminal, a mechanical pressure linkage mechanism is arranged on the transmission pipeline and comprises a supporting telescopic rod, a supporting spring, a supporting steel plate, an elastic metal sheet, a wave elastic metal connecting plate and a square pipe body, the square pipe body is arranged on the transmission pipeline, the elastic metal sheet is a left side plate and a right side plate of the square pipe body, and each edge of the elastic metal sheet is connected with the side plate edge of the square pipe body through the wave elastic metal connecting plate, the supporting telescopic rods are horizontally and fixedly connected to the left and right inner walls of the oil well space in pairs, the supporting steel plates are vertically and fixedly connected to the telescopic ends of the supporting telescopic rods, the supporting steel plate is fixedly connected with the inner wall of the oil well space through the supporting spring, the upper end of the supporting steel plate at the left side position is horizontally and fixedly connected with a first extrusion cross rod, a strip-shaped transverse frame is horizontally and fixedly connected to the outer wall of the transmission pipeline at the position of the first extrusion cross rod, first press switches are installed on the end face of the inner side of the bar-shaped transverse frame at equal intervals in the transverse direction, each first press switch is correspondingly and electrically connected with a position signal transmitter, position signal receivers are distributed at the data acquisition terminal at equal intervals in the transverse direction, and the position signal receiver and the position signal transmitter are correspondingly electrically connected in the same sequence, and a second alarm is electrically connected to each position signal receiver through a relay.
Preferably, a shooting mechanism is arranged at the lower left side of the supporting steel plate at the left side position, the shooting mechanism comprises a wide-angle camera, a display screen, a video transmitter, a lighting lamp, a second press switch, a second extrusion cross rod, a mechanical pressure gauge, a pointer thermometer, a baffle, a small electric telescopic rod, a pointer body, a baffle and a laser induction switch, the wide-angle camera is fixedly arranged on the inner wall at the left side of the oil well space, the display screen is arranged on the data acquisition terminal, the wide-angle camera is electrically connected with the display screen through the video transmitter, the lighting lamp is arranged above the wide-angle camera, the second press switch is arranged at the upper side of the lighting lamp, the second press switch is electrically connected with the wide-angle camera and a starting circuit of the lighting lamp, and the second extrusion cross rod is horizontally and fixedly connected at the left side of the lower end of the supporting steel plate at the left side position, the second push switch and the second extrusion cross rod are located at the same level, the mechanical pressure gauge and the pointer thermometer are both installed on the transmission pipeline, a pointer body is arranged on a display surface of the pointer thermometer in a matched mode, the laser sensing switch is installed on the display surface of the pointer thermometer, the blocking piece is fixedly connected to the pointer body, the small electric telescopic rod is vertically and fixedly connected to the left side of the location of the second push switch, the blocking plate is fixedly connected to the upper end of the small electric telescopic rod, and the laser sensing switch is electrically connected with a contraction control circuit of the small electric telescopic rod.
Preferably, the well cover is arranged at the upper end opening of the oil well space, the position marking mechanism is arranged at the left end of the well cover and comprises a linkage rod, a sleeve, a first connecting sleeve, an ejection rod, a limiting plate, a sliding rod, a second connecting sleeve, a first spring, a second spring, a top block, a third press switch, a perforation, a marking flag and a GPS position transmitter, the linkage rod is movably connected to the left side of the upper end of the supporting steel plate at the left side, the first connecting sleeve is fixedly connected to the lower left side of the well cover, the sleeve is vertically slidably inserted into the first connecting sleeve, the tail end of the linkage rod is movably connected with the lower end of the sleeve, the ejection rod is vertically slidably inserted into the sleeve, the ejection rod is fixedly connected with the inner wall of the lower end of the sleeve through the second spring, the perforation is arranged at the left end of the well cover, the upper end of the sleeve is inserted in the perforation, the second connecting sleeves are fixedly connected with the front and rear outer walls of the upper end of the sleeve in pairs, the sliding rod is horizontally inserted into the second connecting sleeve in a sliding way, the first spring is fixedly connected between the left end head of the sliding rod and the second connecting sleeve, the limiting plate is horizontally and fixedly connected to the upper side of the right end of the sliding rod, and is positioned in the through hole, the limiting plate is positioned at the upper end of the ejection rod, the marking flag is connected at the upper end of the ejection rod, the GPS position emitter is arranged in the side wall of the ejection rod close to the upper end position, the third press switch is fixedly arranged on the upper side of the second connecting sleeve, the top block is fixedly connected to the upper side of the left end head of the sliding rod, and the third press switch is electrically connected with the GPS position transmitter.
Preferably, the ejection rod is close to an upper end position fixedly connected with toughened glass section of thick bamboo, install the warning light in the toughened glass section of thick bamboo, the warning light with the third press switch electricity is connected, and ejection rod is launched and is raised when the ejection rod, and when the third press switch triggered, the warning light just moved, conveniently arrives near the quick discovery oil well position of staff in the oil well scene.
Preferably, the left ends of the first extrusion cross rod and the second extrusion cross rod are spherical ends.
Preferably, a rubber protective soft sleeve is arranged at the position of the second push switch.
Preferably, a protection box is arranged at the position of the wide-angle camera, the protection box is fixedly connected with the transmission pipeline, meanwhile, the wide-angle camera, the mechanical pressure gauge and the pointer thermometer are all located in the protection box, and the second press switch is installed on the outer wall of the upper side of the protection box.
An acquisition method of an oil field oil well data acquisition system comprises the following specific steps:
the first step pressure sensor and the temperature sensor are respectively used for collecting the pressure and the temperature in the transmission pipeline, and the pressure and the temperature are transmitted to the data collection terminal of the background once every ten minutes through the data transmitter, so that the background remote workers can conveniently know the real-time data of the transmission pipeline in real time, and when the pressure in the transmission pipeline is greater than the sum of the deformation critical forces of the supporting spring and the elastic metal sheet, the pressure of the flowing oil is abutted against the supporting steel plate through the elastic metal sheet, so that the supporting steel plate starts to compress the supporting spring, and stably slides to be close to the inner wall of the oil well space by depending on the supporting telescopic rod, at the moment, the supporting steel plate at the left side drives the first extrusion cross rod to transversely move, so that the left end head of the first extrusion cross rod is firstly extruded to the first pressing switch at the position close to start the correspondingly connected position signal transmitter to send a signal, therefore, the corresponding position signal receiver at the data acquisition terminal receives the corresponding signal, then the connected second alarm is triggered, and the translation distance of the supporting steel plate is larger along with the increase of the pressure of the transmission pipeline, namely the more the first pressing switches extruded by the first extrusion cross rod in a transverse moving manner are, the more the second alarms on the position signal receiver are triggered, and the convenience is brought to background workers to judge the degree of overlarge pressure according to the number of the triggered second alarms;
when the pressure in the transmission pipeline is too high and causes the supporting steel plate to move transversely, the supporting steel plate at the left side drives the second extrusion cross rod to move horizontally and extrude to the second press switch, so that the second press switch enables the wide-angle camera to be started for shooting, the illuminating lamp is synchronously started, and a bright visual field is conveniently provided for the wide-angle camera, so that the wide-angle camera can conveniently shoot the pressure value in the transmission pipeline detected by the mechanical pressure gauge in a mechanical mode and transmit the pressure value to a display screen at the data acquisition terminal through the video transmitter, and meanwhile, when the pointer thermometer detects that the temperature in the transmission pipeline is too high, the pointer body rotates to the corresponding position and drives the blocking piece to synchronously rotate, the laser induction switch at the position corresponding to the temperature value scale line is blocked to trigger the laser induction switch, so that the small electric telescopic rod can be contracted, the baffle is driven to be pressed down to the second press switch, so that the wide-angle camera is triggered, the display surface of the pointer type thermometer is conveniently shot, the view screen is transmitted to the display screen to be displayed, and the background staff at the data acquisition terminal can conveniently acquire the overlarge pressure and temperature data displayed by the mechanical pressure gauge and the pointer type thermometer on the oil well site according to the picture displayed by the display screen, so that the situation that data are acquired only by an electronic sensor is avoided, and the effective site data are acquired under the emergency condition;
thirdly, when the pressure in the transmission pipeline is too high to cause the supporting steel plate to move outwards and move horizontally and be opened, the supporting steel plate on the left side pushes the sleeve to the upper left side through the linkage rod to cause the sleeve to slide upwards and rise, so that the sleeve drives the limiting plate extruded in the through hole to rise upwards to be separated from the well lid, then the limiting plate moves rightwards to separate from the ejection rod along the second connecting sleeve by means of the slide rod under the action of the resilience force of the first spring, then the ejection rod is ejected upwards to rise to a certain height due to the resilience force of the second spring, then the marking flag is separated from the sleeve due to the rise of the ejection rod and then is unfolded, meanwhile, when the slide rod moves rightwards and transversely, the slide rod drives the ejector block to prop against a third pressing switch, the third pressing switch enables the GPS position emitter to start emitting position signals, and then background workers drive the corresponding oil well position according to the position signals of the GPS position emitter, and by means of the raised flag, the location of the well to be serviced is quickly determined when the vicinity of the location is reached.
Compared with the prior art, the invention has the beneficial effects that:
1. the pressure sensor and the temperature sensor are respectively used for acquiring the pressure and the temperature in the transmission pipeline, when the pressure in the transmission pipeline is too high and the support steel plate is transversely moved and expanded, the support steel plate at the left side drives the second extrusion cross rod to horizontally move and extrude to the second press switch, so that the wide-angle camera and the illuminating lamp are synchronously started, the mechanical pressure gauge is conveniently shot by the wide-angle camera through the pressure value in the transmission pipeline detected by a mechanical mode, the shot video is transmitted to the display screen at the data acquisition terminal, meanwhile, when the pointer type thermometer detects that the temperature in the transmission pipeline is too high, the pointer body is rotated to the corresponding position, the laser induction switch at the corresponding temperature value scale line is triggered, then the small electric telescopic rod is contracted to drive the baffle plate to be pressed down to the second press switch, the wide-angle camera is also triggered to shoot the display surface of the pointer thermometer, so that the background staff can conveniently acquire overlarge pressure and temperature data displayed by the mechanical pressure gauge and the pointer thermometer on the oil well site according to the picture displayed by the display screen, the deviation of the acquired data caused by the fact that an electronic element is influenced by external interference when the data is acquired only by the electronic acquisition element is avoided, and the delay of the time of emergency processing of the background staff is avoided;
2. when the temperature pressure in the transmission pipeline is too high, the support steel plate is enabled to translate outwards and is propped open, the support steel plate on the left side enables the sleeve to slide upwards through the linkage rod to lift, the limiting plate is separated from the well cover when the support steel plate is lifted, then the resilience force of the first spring enables the sliding rod to translate rightwards to separate from the ejection rod, then the ejection rod is ejected upwards to a certain height due to the resilience force of the second spring, the marking flag is enabled to be unfolded, meanwhile, when the sliding rod moves rightwards and transversely, the third press switch is triggered to enable the GPS position emitter to start emitting position signals, and therefore, when a backstage worker collects pressure data of the corresponding oil well pipeline, the backstage worker can drive to the corresponding oil well position according to the position signals of the GPS position emitter, and when the backstage worker reaches the position, the position of an oil well needing to be overhauled can be quickly determined by means of the lifted marking flag;
3. when the supporting steel plate at the left side of the invention is transversely stretched due to the overlarge internal pressure of the transmission pipeline, the supporting steel plate drives the first extrusion cross rod to transversely move, so that the left end head of the first extrusion cross rod extrudes the first press switch to enable the correspondingly connected position signal transmitter to start to send out a signal, the corresponding position signal receiver at the data acquisition terminal receives the corresponding signal and then triggers the connected second alarm, and the translation distance of the supporting steel plate is larger along with the increase of the pressure of the transmission pipeline, namely the more the first press switches extruded by the first extrusion cross rod in the transverse direction are, the more the second alarms on the position signal receiver are triggered, the larger the number of the triggered second alarms is, the overlarge degree of the pressure can be conveniently judged by background workers according to the number of the triggered second alarms, and the on-site inspection and repair can be realized before what time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an oilfield data acquisition system according to the present invention;
FIG. 2 is a schematic structural diagram of a position marking mechanism in an oilfield data acquisition system according to the present invention;
FIG. 3 is a schematic structural diagram of the deployed states of the ejection rod and the flag of the oilfield data acquisition system of the present invention;
FIG. 4 is a schematic structural view of the elastic metal sheet and the square tube body in the oil field data acquisition system of the present invention;
FIG. 5 is a schematic diagram of a camera mechanism in an oilfield data acquisition system of the present invention;
FIG. 6 is a schematic view of a partially enlarged structure of a first push switch and a first extrusion cross bar in a system for collecting data from an oil well in an oil field according to the present invention;
FIG. 7 is a schematic structural diagram of a laser inductive switch, a pointer thermometer and a pointer body in a matching connection in the oil field and oil well data acquisition system of the present invention.
In the figure: 1. an oil well space; 2. a transport pipeline; 3. a square tube body; 4. a resilient metal sheet; 5. a support spring; 6. supporting the telescopic rod; 7. a support steel plate; 8. a mechanical pressure linkage mechanism; 9. a shooting mechanism; 10. a transmission oil pump; 11. a data acquisition terminal; 12. a display screen; 13. a second alarm; 14. a position signal receiver; 15. a data transmitter; 16. a data acquisition terminal; 17. a video transmitter; 18. a position marking mechanism; 19. a sleeve; 20. a first connecting sleeve; 21. a linkage rod; 22. a well cover; 23. perforating; 24. a limiting plate; 25. a slide bar; 26. a second connecting sleeve; 27. a first spring; 28. a top block; 29. a third push switch; 30. a firing rod; 31. a tempered glass cylinder; 32. a warning light; 33. a GPS position transmitter; 34. marking a flag; 35. a second spring; 36. a wave elastic metal connecting plate; 37. a wide-angle camera; 38. a protection box; 39. a pointer thermometer; 40. a pressure sensor; 41. a temperature sensor; 42. a mechanical pressure gauge; 43. an illuminating lamp; 44. a second push switch; 45. a small electric telescopic rod; 46. a baffle plate; 47. a rubber protective soft sleeve; 48. a second extruded cross bar; 49. a strip-shaped transverse frame; 50. a first push switch; 51. a first extruded rail; 52. a position signal transmitter; 53. a pointer body; 54. a baffle plate; 55. laser inductive switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an oil field and oil well data acquisition system comprises an oil well space 1, a transmission pipeline 2 and a data acquisition terminal 11, wherein the transmission pipeline 2 is arranged in the oil well space 1, a transmission oil pump 10 is arranged at the bottom of the transmission pipeline 2, and the transmission oil pump 10 is used for transmitting oil exploited at the bottom of the oil well space 1 into the transmission pipeline 2 and transmitting away the oil; here the well space 1 belongs to the installation space, no oil flows, the oil flow position extends to the deep position of the well in the transmission pipeline 2, not shown in the figure; the transmission pipeline 2 is provided with a pressure sensor 40 and a temperature sensor 41, and the pressure sensor 40 and the temperature sensor 41 are both electrically connected with the data acquisition terminal 11 through a data transmitter 15, belonging to the prior art means, i.e. a pressure sensor 40 and a temperature sensor 41 for acquiring the pressure and the temperature respectively inside the transmission pipe 2, and the data is transmitted to the data acquisition terminal 11 of the background once every ten minutes through the data transmitter 15, so that the background remote staff can conveniently know the real-time data of the transmission pipeline 2 in real time, meanwhile, the data acquisition terminal 11 is provided with a first alarm 16, wherein the first alarm 16 is used for giving an alarm when the received data is abnormal, and the electrical connection relations among the first alarm 16, the data acquisition terminal 11, the pressure sensor 40 and the temperature sensor 41 all belong to the components in the data acquisition feedback system in the prior art; the transmission pipeline 2 is provided with a mechanical pressure linkage mechanism 8, the mechanical pressure linkage mechanism 8 comprises a support telescopic rod 6, a support spring 5, a support steel plate 7, an elastic metal sheet 4, a wave elastic metal connecting plate 36 and a square pipe body 3, the square pipe body 3 is arranged on the transmission pipeline 2 and belongs to one part of the transmission pipeline 2, the elastic metal sheet 4 is a left side plate and a right side plate of the square pipe body 3, each edge of the elastic metal sheet 4 is connected with the edge of the side plate of the square pipe body 3 through the wave elastic metal connecting plate 36, the support telescopic rod 6 is horizontally and fixedly connected on the left inner wall and the right inner wall of the oil well space 1 in pairs, the support steel plate 7 is vertically and fixedly connected with the telescopic end of the support telescopic rod 6, meanwhile, the support steel plate 7 is tightly attached to the outer wall of the elastic metal sheet 4, and the support steel plate 7 is fixedly connected with the inner wall of the oil well space 1 through the support spring 5, the supporting steel plate 7 is propped against the elastic metal sheet 4 by the supporting spring 5 with a certain elastic specification, the outward spreading of the supporting steel plate is avoided due to the normal pressure and impact force of the oil flowing in the transmission pipeline 2, when the pressure in the transmission pipeline 2 is greater than the sum of the deformation critical forces of the supporting spring 5 and the elastic metal sheet 4, the pressure of the flowing oil is propped against the supporting steel plate 7 by the elastic metal sheet 4, so that the supporting steel plate 7 starts to compress the supporting spring 5, and the supporting steel plate stably slides to be close to the inner wall of the oil well space 1 by the supporting telescopic rod 6; the upper end of the supporting steel plate 7 at the left side is horizontally and fixedly connected with a first extrusion cross bar 51, the outer wall of the transmission pipeline 2 at the position of the first extrusion cross bar 51 is horizontally and fixedly connected with a strip-shaped transverse frame 49, the inner end surface of the strip-shaped transverse frame 49 is transversely and equidistantly provided with first press switches 50, each first press switch 50 is correspondingly and electrically connected with a position signal transmitter 52, the position signal transmitter 52 is installed at a safe position which is convenient for signal transmission in the oil well space 1, the data acquisition terminal 11 is transversely and equidistantly provided with position signal receivers 14, the position signal receivers 14 and the position signal transmitters 52 are correspondingly and electrically connected in the same sequence, each position signal receiver 14 is electrically connected with a second alarm 13 through a relay, when the supporting steel plate 7 at the left side moves outwards due to overlarge pressure in the transmission pipeline 2, the supporting steel plate 7 at the left side drives the first extrusion cross bar 51 to move transversely, therefore, the left end of the first extrusion cross rod 51 is firstly extruded to the first press switch 50 close to the position, so that the position signal transmitter 52 connected correspondingly is started to send out a signal, the position signal receiver 14 corresponding to the data acquisition terminal 11 receives the corresponding signal, and then the connected second alarm 13 is triggered, and along with the increase of the pressure of the transmission pipeline 2, the translation distance of the support steel plate 7 is larger, namely the translation distance of the first extrusion cross rod 51 to the first press switch 50 extruded transversely is more, so that more second alarms 13 on the position signal receiver 14 are triggered, and the degree of overlarge pressure is conveniently judged by background staff according to the number of the triggered second alarms 13.
The left lower side of the supporting steel plate 7 at the left position is provided with a shooting mechanism 9, the shooting mechanism 9 comprises a wide-angle camera 37, a display screen 12, a video transmitter 17, an illuminating lamp 43, a second press switch 44, a second extrusion cross rod 48, a mechanical pressure gauge 42, a pointer thermometer 39, a baffle 46, a small electric telescopic rod 45, a pointer body 53, a baffle 54 and a laser induction switch 55, the wide-angle camera 37 is fixedly arranged on the left inner wall of the oil well space 1, the display screen 12 is arranged on the data acquisition terminal 11, the wide-angle camera 37 is electrically connected with the display screen 12 through the video transmitter 17, the illuminating lamp 43 is arranged above the wide-angle camera 37, the second press switch 44 is arranged on the upper side of the illuminating lamp 43, the second press switch 44 is electrically connected with the wide-angle camera 37 and a starting circuit of the illuminating lamp 43, and the second extrusion cross rod 48 is horizontally and fixedly connected on the left side of the lower end of the supporting steel plate 7 at the left position, the positions of the second push switch 44 and the second extrusion cross bar 48 are flush, the mechanical pressure gauge 42 and the pointer thermometer 39 are both installed on the transmission pipeline 2, the detection ends of the mechanical pressure gauge 42 and the pointer thermometer 39 are both in contact with the inner side of the transmission pipeline 2, the mechanical pressure gauge 42 and the pointer thermometer 39 are both mechanical detection gauges, the mechanical pressure gauge 42 and the pointer thermometer 39 belong to the existing equipment, the detection is not required to depend on electric elements, the stability is high, the pointer display surfaces of the mechanical pressure gauge 42 and the pointer thermometer 39 are right opposite to the wide-angle camera 37, the display surface of the pointer thermometer 39 is provided with a pointer body 53 which is a component for indicating temperature values, the transmitting end and the receiving end of the laser induction switch 55 are installed between the display surface and the meter cover of the pointer thermometer 39, and the laser induction switch 55 is positioned at an overlarge numerical scale line of the pointer thermometer 39, the baffle 54 is fixedly connected to the pointer body 53, the small electric telescopic rod 45 is vertically and fixedly connected to the left side of the position of the second push switch 44, the baffle 46 is fixedly connected to the upper end of the small electric telescopic rod 45, the baffle 46 shields and protects the second push switch 44, the laser sensing switch 55 is electrically connected to the contraction control circuit of the small electric telescopic rod 45, when the pressure in the transmission pipeline 2 is too high and causes the supporting steel plate 7 to move transversely, the supporting steel plate 7 at the left side position drives the second extrusion cross rod 48 to move horizontally and extrude to the second push switch 44, so that the second push switch 44 enables the wide-angle camera 37 to start to shoot, the illuminating lamp 43 is synchronously started, a bright visual field is conveniently provided for the wide-angle camera 37, and the wide-angle camera 37 is convenient to shoot the pressure value in the pressure gauge transmission pipeline 2 detected by the mechanical mode 42, and is transmitted to the display screen 12 of the data acquisition terminal 11 through the video transmitter 17, and simultaneously when the pointer thermometer 39 detects that the temperature in the transmission pipeline 2 is too high, the pointer body 53 thereof rotates to the corresponding position, and the pointer body 53 drives the blocking sheet 54 to synchronously rotate, and the laser induction switch 55 at the scale mark position of the corresponding temperature value is blocked, so that the laser induction switch is triggered, so that the laser induction switch 55 enables the small electric telescopic rod 45 to contract, and drives the blocking plate 46 to press down on the second press switch 44, thereby triggering the wide-angle camera 37, conveniently shooting the display surface of the pointer thermometer 39, and transmitting the view screen to the display screen 12 for display, thereby facilitating the background staff at the data acquisition terminal 11 to know the excessive pressure and temperature data displayed by the mechanical pressure gauge 42 and the pointer thermometer 39 at the oil well site according to the picture displayed by the display screen 12, the data acquisition only by an electronic sensor is avoided, and the effective field data acquisition is ensured.
The well cover 22 is arranged at the upper port of the oil well space 1, the position marking mechanism 18 is arranged at the left end of the well cover 22, the position marking mechanism 18 comprises a linkage rod 21, a sleeve 19, a first connecting sleeve 20, an ejection rod 30, a limiting plate 24, a sliding rod 25, a second connecting sleeve 26, a first spring 27, a second spring 35, a top block 28, a third press switch 29, a perforation hole 23, a flag 34 and a GPS position emitter 33, the linkage rod 21 is movably connected to the left side of the upper end of the supporting steel plate 7 at the left side through a hinge, the first connecting sleeve 20 is fixedly connected to the lower left side of the well cover 22, the sleeve 19 is vertically and slidably inserted into the first connecting sleeve 20, the tail end of the linkage rod 21 is movably connected with the lower end of the sleeve 19 through a hinge, the ejection rod 30 is vertically and slidably inserted into the sleeve 19, the ejection rod 30 is fixedly connected with the inner wall of the lower end of the sleeve 19 through the second spring 35, the perforation hole 23 is arranged at the left end of the well cover 22, the upper end of the sleeve 19 is inserted into the through hole 23, the second connecting sleeves 26 are fixedly connected to the front and rear outer walls of the upper end of the sleeve 19 in pairs, the sliding rod 25 is horizontally slidably inserted into the second connecting sleeve 26, the first spring 27 is fixedly connected between the left end of the sliding rod 25 and the second connecting sleeve 26, the first spring 27 is shown in a stretching state, the limit plate 24 is horizontally and fixedly connected to the upper side of the right end of the sliding rod 25, the limit plate 24 is positioned in the through hole 23, the limit plate 24 is positioned at the upper end of the ejection rod 30, the second spring 35 is in a compressing state at the moment, the marking flag 34 is connected to the upper end of the ejection rod 30, when the ejection rod 30 is accommodated in the sleeve 19, the marking flag 34 is a cloth block and is also accommodated in the sleeve 19, the GPS position transmitter 33 is installed in the side wall of the position of the ejection rod 30 close to the upper end, and the third press switch 29 is fixedly installed at the upper side of the second connecting sleeve 26, the top block 28 is fixedly connected to the upper side of the left end of the sliding rod 25, and the third push switch 29 is electrically connected with the GPS position transmitter 33, when the pressure in the transmission pipeline 2 is too large to cause the supporting steel plate 7 to translate outwards and expand, the supporting steel plate 7 on the left side pushes the sleeve 19 towards the left upper side through the linkage rod 21, so that the sleeve 19 slides upwards and rises, so that the sleeve 19 is lifted upwards and separated from the well lid 22 along the limiting plate 24 extruded in the perforation 23, then the limiting plate 24 translates rightwards along the second connecting sleeve 26 by means of the sliding rod 25 under the resilience of the first spring 27 to separate from the ejection rod 30, then the ejection rod 30 is lifted upwards to a certain height by the resilience of the second spring 35, then the flag 34 is separated from the sleeve 19 by the lifting of the ejection rod 30 and then expands, and when the sliding rod 25 traverses rightwards, the sliding rod 25 pushes the top block 28 to the third push switch 29, the third push switch 29 enables the GPS position transmitter 33 to transmit a position signal, and then the back-office worker can drive to the corresponding well position according to the position signal of the GPS position transmitter 33, and when the back-office worker reaches the vicinity of the position, the well position to be repaired is quickly determined by means of the raised flag 34.
The ejection rod 30 is close to an upper end fixedly connected with toughened glass tube 31, installs the warning light 32 in the toughened glass tube 31, and the warning light 32 is connected with third press switch 29 electricity, and when the ejection rod 30 was ejected and is risen, and when third press switch 29 triggered, the warning light 32 just moved, conveniently arrived near the staff of oil well scene and found the oil well position fast.
The left ends of the first extrusion cross rod 51 and the second extrusion cross rod 48 are spherical ends, so that the switch keys at corresponding positions can be conveniently extruded.
The second push switch 44 is provided with a rubber protective soft sleeve 47, and the rubber protective soft sleeve 47 is used for covering the second push switch 44 to prevent dust and facilitate the second extrusion cross rod 48 to extrude the second push switch 44.
The wide-angle camera 37 is provided with a protection box 38, the protection box 38 is fixedly connected with the transmission pipeline 2, the wide-angle camera 37, the mechanical pressure gauge 42 and the pointer thermometer 39 are all arranged in the protection box 38, the second push switch 44 is arranged on the outer wall of the upper side of the protection box 38, and the protection box 38 is used for protecting the wide-angle camera 37, the mechanical pressure gauge 42 and the pointer thermometer 39.
An acquisition method of an oil field oil well data acquisition system comprises the following specific steps:
the first-step pressure sensor 40 and the temperature sensor 41 are respectively used for acquiring the pressure and the temperature in the transmission pipeline 2, and the pressure and the temperature are transmitted to the data acquisition terminal 11 of the background once every ten minutes through the data transmitter 15, so that the background remote staff can conveniently know the real-time data of the transmission pipeline 2 in real time, when the pressure in the transmission pipeline 2 is greater than the sum of the deformation critical forces of the supporting spring 5 and the elastic metal sheet 4, the flowing pressure of the oil props against the supporting steel plate 7 through the elastic metal sheet 4, so that the supporting steel plate 7 starts to compress the supporting spring 5, and stably slides to be close to the inner wall of the oil well space 1 by virtue of the supporting telescopic rod 6, at the moment, the supporting steel plate 7 at the left side position drives the first extrusion cross rod 51 to transversely move, so that the left end of the first extrusion cross rod 51 is firstly extruded to the first press switch 50 at the close position, so that the correspondingly connected position signal transmitter 52 starts to send a signal, therefore, the corresponding position signal receiver 14 at the data acquisition terminal 11 receives the corresponding signal, and then the connected second alarm 13 is triggered, and as the pressure of the transmission pipeline 2 increases, the translation distance of the supporting steel plate 7 is larger, that is, the number of the first pressing switches 50 extruded by the first extrusion cross rod 51 in the transverse moving manner is more, so that the more the second alarms 13 on the position signal receiver 14 are triggered, and the convenience is brought to the background staff for judging the degree of overlarge pressure according to the number of the triggered second alarms 13;
secondly, when the pressure in the transmission pipeline 2 is too high to cause the support steel plate 7 to move transversely, the support steel plate 7 at the left side position drives the second extrusion cross rod 48 to move horizontally and extrude the support steel plate to the second press switch 44, so that the second press switch 44 enables the wide-angle camera 37 to be started to shoot, the illuminating lamp 43 is synchronously started to conveniently provide a bright visual field for the wide-angle camera 37, the wide-angle camera 37 is convenient to shoot the pressure value in the transmission pipeline 2 detected by the mechanical pressure gauge 42 in a mechanical mode and transmit the pressure value to the display screen 12 at the data acquisition terminal 11 through the video transmitter 17, meanwhile, when the pointer thermometer 39 detects that the temperature in the transmission pipeline 2 is too high, the pointer body 53 is rotated to the corresponding position, and the pointer body 53 drives the blocking piece 54 to rotate synchronously, and the laser induction switch 55 at the position corresponding to the temperature value scale mark is blocked, the small electric telescopic rod 45 is contracted by the laser induction switch 55, the baffle plate 46 is driven to be pressed down onto the second press switch 44, the wide-angle camera 37 is triggered, the display surface of the pointer type thermometer 39 can be conveniently shot, the video screen is transmitted to the display screen 12 to be displayed, and the background staff at the data acquisition terminal 11 can conveniently acquire the overlarge pressure and temperature data displayed by the mechanical pressure gauge 42 and the pointer type thermometer 39 on the oil well site according to the picture displayed by the display screen 12, so that the data acquisition only by an electronic sensor is avoided, and the effective site data can be acquired under the emergency condition;
thirdly, when the pressure in the transmission pipeline 2 is too high to cause the supporting steel plate 7 to translate outwards and expand, the supporting steel plate 7 on the left side pushes the sleeve 19 towards the upper left side through the linkage rod 21, so that the sleeve 19 slides upwards and rises, the sleeve 19 with the limit plate 24 extruded in the through hole 23 rises upwards to separate from the well lid 22, then the limit plate 24 translates rightwards along the second connecting sleeve 26 by virtue of the resilience force of the first spring 27 to separate from the ejection rod 30, then the ejection rod 30 is ejected upwards to a certain height by virtue of the resilience force of the second spring 35, then the flag 34 is separated from the sleeve 19 by virtue of the rising of the ejection rod 30 and then expands, meanwhile, when the sliding rod 25 traverses rightwards, the sliding rod 25 with the top block 28 pushes the third press switch 29, the third press switch 29 causes the GPS position emitter 33 to start emitting position signals, the back office staff then drives to the corresponding well location based on the location signal from the GPS location transmitter 33 and upon reaching the vicinity of the location, quickly determines the location of the well to be serviced by means of the raised flag 34.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an oil field oil well data acquisition system, includes oil well space (1), transmission pipeline (2) and data acquisition terminal (11), its characterized in that: the transmission pipeline (2) is installed in the oil well space (1), a transmission oil pump (10) is installed at the bottom of the transmission pipeline (2), a pressure sensor (40) and a temperature sensor (41) are installed on the transmission pipeline (2), the pressure sensor (40) and the temperature sensor (41) are both electrically connected with the data acquisition terminal (11), meanwhile, a first alarm (16) is installed on the data acquisition terminal (11), a mechanical pressure linkage mechanism (8) is arranged on the transmission pipeline (2), the mechanical pressure linkage mechanism (8) comprises a support telescopic rod (6), a support spring (5), a support steel plate (7), an elastic metal sheet (4), a wave elastic metal connecting plate (36) and a square pipe body (3), and the square pipe body (3) is arranged on the transmission pipeline (2), the elastic metal sheet (4) is a left side plate and a right side plate of the square pipe body (3), each edge of the elastic metal sheet (4) is connected with the edge of the side plate of the square pipe body (3) through the wave elastic metal connecting plate (36), the supporting telescopic rod (6) is horizontally and fixedly connected on the left inner wall and the right inner wall of the oil well space (1) in pairs from left to right, the supporting steel plate (7) is vertically and fixedly connected at the telescopic end of the supporting telescopic rod (6), the supporting steel plate (7) is fixedly connected with the inner wall of the oil well space (1) through the supporting spring (5), the upper end of the supporting steel plate (7) at the left side is horizontally and fixedly connected with a first extrusion cross rod (51), the outer wall of the transmission pipeline (2) at the position of the first extrusion cross rod (51) is horizontally and fixedly connected with a strip-shaped transverse frame (49), horizontal frame (49) medial surface of bar transversely installs first press switch (50) at the equidistance, every first press switch (50) all correspond and be connected with position signal transmitter (52) electrically, the horizontal equidistance of data acquisition terminal (11) department distributes and has position signal receiver (14), and position signal receiver (14) with the same order of position signal transmitter (52) installation corresponds the electricity and connects, and every all be connected with second siren (13) through the relay electricity on position signal receiver (14).
2. The oilfield well data acquisition system of claim 1, wherein: the left lower side of the supporting steel plate (7) at the left side position is provided with a shooting mechanism (9), the shooting mechanism (9) comprises a wide-angle camera (37), a display screen (12), a video transmitter (17), a lighting lamp (43), a second press switch (44), a second extrusion cross rod (48), a mechanical pressure gauge (42), a pointer type thermometer (39), a baffle (46), a small electric telescopic rod (45), a pointer body (53), a baffle (54) and a laser induction switch (55), the wide-angle camera (37) is fixedly arranged on the inner wall at the left side of the oil well space (1), the display screen (12) is arranged on the data acquisition terminal (11), the wide-angle camera (37) is electrically connected with the display screen (12) through the video transmitter (17), the lighting lamp (43) is arranged above the wide-angle camera (37), the second push switch (44) is arranged on the upper side of the illuminating lamp (43), the second push switch (44) is electrically connected with the wide-angle camera (37) and a starting circuit of the illuminating lamp (43), the second extrusion cross rod (48) is horizontally and fixedly connected on the left side of the lower end of the supporting steel plate (7) at the left side position, the second push switch (44) and the second extrusion cross rod (48) are located at the same level, the mechanical pressure gauge (42) and the pointer thermometer (39) are both arranged on the transmission pipeline (2), a pointer body (53) is arranged on the display surface of the pointer thermometer (39), the laser induction switch (55) is arranged at the display surface of the pointer thermometer (39), the baffle plate (54) is fixedly connected on the pointer body (53), the small electric telescopic rod (45) is vertically and fixedly connected on the left side position of the second push switch (44) The baffle (46) is fixedly connected to the upper end of the small electric telescopic rod (45), and the laser induction switch (55) is electrically connected with a contraction control circuit of the small electric telescopic rod (45).
3. The oilfield well data acquisition system of claim 1, wherein: the utility model discloses a well lid, including well space (1), well lid (22), position marking mechanism (18) include gangbar (21), sleeve (19), first adapter sleeve (20), bullet pole (30), limiting plate (24), slide bar (25), second adapter sleeve (26), first spring (27), second spring (35), kicking block (28), third press switch (29), perforation (23), mark flag (34) and GPS position transmitter (33), gangbar (21) swing joint is in the upper end left side of supporting steel plate (7) of left side position, first adapter sleeve (20) fixed connection is in the left downside of well lid (22), sleeve (19) vertical slip interlude is in first adapter sleeve (20) department, the terminal swing joint of gangbar (21) is in the lower extreme of sleeve (19), the ejection rod (30) is vertically inserted into the sleeve (19) in a sliding mode, the ejection rod (30) and the inner wall of the lower end of the sleeve (19) are fixedly connected through the second spring (35), the perforation (23) is formed in the left end of the well cover (22), the upper end of the sleeve (19) is inserted into the perforation (23), the second connecting sleeve (26) is fixedly connected to the front and rear outer walls of the upper end of the sleeve (19) in pairs, the sliding rod (25) is horizontally inserted into the second connecting sleeve (26) in a sliding mode, the first spring (27) is fixedly connected between the left end of the sliding rod (25) and the second connecting sleeve (26), the limiting plate (24) is horizontally and fixedly connected to the upper side of the right end of the sliding rod (25), meanwhile, the limiting plate (24) is located in the perforation (23), and the limiting plate (24) is located at the upper end of the ejection rod (30), the marker flag (34) is connected at the upper end of the ejection rod (30), the GPS position emitter (33) is installed in the side wall of the ejection rod (30) close to the upper end position, the third press switch (29) is fixedly installed on the upper side of the second connecting sleeve (26), the top block (28) is fixedly connected on the upper side of the left end of the sliding rod (25), and the third press switch (29) is electrically connected with the GPS position emitter (33).
4. The oilfield well data acquisition system of claim 3, wherein: the ejection rod (30) is close to an upper end position fixedly connected with toughened glass cylinder (31), install warning light (32) in the toughened glass cylinder (31), warning light (32) with third press switch (29) electricity is connected, and when ejection rod (30) is ejected and is risen, and third press switch (29) triggered, warning light (32) just move, conveniently arrive near the staff in oil well scene and discover the oil well position fast.
5. The oilfield well data acquisition system of claim 2, wherein: the left ends of the first extrusion cross rod (51) and the second extrusion cross rod (48) are spherical ends.
6. The oilfield well data acquisition system of claim 2, wherein: and a rubber protective soft sleeve (47) is arranged at the position of the second press switch (44).
7. The oilfield well data acquisition system of claim 2, wherein: the wide-angle camera (37) is provided with a protection box (38), the protection box (38) is fixedly connected with the transmission pipeline (2), meanwhile, the wide-angle camera (37), the mechanical pressure gauge (42) and the pointer thermometer (39) are all located in the protection box (38), and the second press switch (44) is installed on the outer wall of the upper side of the protection box (38).
8. The method for collecting the oil field well data collection system according to the claim 1-7, characterized in that, the concrete steps are as follows:
the first-step pressure sensor (40) and the temperature sensor (41) are respectively used for acquiring the pressure and the temperature in the transmission pipeline (2), and the pressure and the temperature are transmitted to the background data acquisition terminal (11) once every ten minutes through the data transmitter (15), so that background remote workers can conveniently know real-time data of the transmission pipeline (2), when the pressure in the transmission pipeline (2) is greater than the sum of deformation critical forces of the supporting spring (5) and the elastic metal sheet (4), the flowing pressure of oil props against the supporting steel plate (7) through the elastic metal sheet (4), the supporting steel plate (7) starts to compress the supporting spring (5) and stably slides to be close to the inner wall of the oil well space (1) by virtue of the supporting telescopic rod (6), and at the moment, the supporting steel plate (7) at the left side position drives the first extrusion cross rod (51) to transversely move, therefore, the left end of the first extrusion cross rod (51) is extruded to the first press switch (50) close to the position first, so that the position signal transmitter (52) connected correspondingly is started to send out a signal, the position signal receiver (14) corresponding to the data acquisition terminal (11) receives the corresponding signal, then the second alarm (13) connected with the data acquisition terminal is triggered, and with the pressure of the transmission pipeline (2) increased, the translation distance of the supporting steel plate (7) is larger, namely the first extrusion cross rod (51) moves transversely to extrude the first press switch (50) more, so that the second alarms (13) on the position signal receiver (14) are triggered more, and background workers can judge the degree of overlarge pressure according to the number of the triggered second alarms (13);
secondly, when the pressure in the transmission pipeline (2) is too high to cause the support steel plate (7) to move transversely, the support steel plate (7) at the left side drives the second extrusion cross rod (48) to move horizontally and extrude the support steel plate to the left side to the second press switch (44), so that the second press switch (44) enables the wide-angle camera (37) to be started for shooting, the illuminating lamp (43) is synchronously started to provide a bright visual field for the wide-angle camera (37), the wide-angle camera (37) is convenient to shoot the pressure value in the transmission pipeline (2) detected by the mechanical pressure gauge (42) in a mechanical mode and transmit the pressure value to the display screen (12) at the data acquisition terminal (11) through the video transmitter (17), and meanwhile, when the pointer thermometer (39) detects that the temperature in the transmission pipeline (2) is too high, the pointer body (53) of the pointer thermometer rotates to the corresponding position, and the pointer body (53) drives the blocking sheet (54) to synchronously rotate, and the laser induction switch (55) corresponding to the scale mark of the temperature value is blocked to trigger the laser induction switch, therefore, the laser induction switch (55) enables the small electric telescopic rod (45) to contract to drive the baffle plate (46) to be pressed down on the second press switch (44), thereby triggering the wide-angle camera (37) to conveniently shoot the display surface of the pointer thermometer (39), the view screen is transmitted to the display screen (12) to be displayed, so that background workers at the data acquisition terminal (11) can conveniently acquire excessive pressure and temperature data displayed by the mechanical pressure gauge (42) and the pointer thermometer (39) on the oil well site according to the picture displayed by the display screen (12), the data acquisition by only depending on an electronic sensor is avoided, and the effective site data can be acquired under emergency conditions;
thirdly, when the pressure in the transmission pipeline (2) is too high to cause the supporting steel plate (7) to translate outwards and expand, the supporting steel plate (7) on the left side pushes the sleeve (19) towards the upper left side through the linkage rod (21) to cause the sleeve (19) to slide upwards and rise, so that the sleeve (19) rises upwards to be separated from the well cover (22) along the limiting plate (24) extruded in the perforation (23), then the limiting plate (24) is translated rightwards along the second connecting sleeve (26) by the sliding rod (25) under the resilience of the first spring (27) to be separated from the ejection rod (30), then the ejection rod (30) is ejected upwards to a certain height due to the resilience of the second spring (35), then the marking flag (34) is separated from the sleeve (19) due to the rising of the ejection rod (30) and then is unfolded, and meanwhile, when the sliding rod (25) traverses rightwards, the sliding rod (25) drives the jacking block (28) to push the third press switch (29), the third press switch (29) enables the GPS position transmitter (33) to start transmitting position signals, then background workers drive to the corresponding oil well position according to the position signals of the GPS position transmitter (33), and when the position is close to the position, the position of the oil well needing to be repaired is quickly determined by means of the raised mark flag (34).
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| CN118706217B (en) * | 2024-08-27 | 2024-11-05 | 常州市潞城燃气设备股份有限公司 | High-precision gas energy metering device |
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Application publication date: 20210730 |