CN113175624B - Pressure pipeline operation data acquisition device and pipeline intelligent internal detector - Google Patents
Pressure pipeline operation data acquisition device and pipeline intelligent internal detector Download PDFInfo
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- CN113175624B CN113175624B CN202110444117.9A CN202110444117A CN113175624B CN 113175624 B CN113175624 B CN 113175624B CN 202110444117 A CN202110444117 A CN 202110444117A CN 113175624 B CN113175624 B CN 113175624B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to the technical field of pipeline internal detection, and particularly relates to a pressure pipeline operation data acquisition device and a pipeline intelligent internal detector, aiming at solving the problems of complex structure and low intelligent degree of a pipeline detection device in the prior art; the device comprises a pressure-bearing cabin body, wherein a first hollow chamber and a second hollow chamber are arranged in the pressure-bearing cabin body, and a first connecting support and a second connecting support are respectively arranged in the first chamber and the second chamber; one end part of the pressure-bearing cabin body is provided with a through hole; the pressure-bearing cabin cover can be covered on the through hole in an opening and closing manner, and is provided with a holding tank for arranging a communication device; the MEMS-IMU and the core processing board are sequentially arranged on the first connecting bracket; the core processing board stores and processes the data acquired by the MEMS-IMU; the heat dissipation module is arranged on the core processing board; the energy supply module is arranged on the second connecting bracket; the data acquisition device provided by the invention has the advantages of simple structure, good stability and high integration level.
Description
Technical Field
The invention belongs to the technical field of pipeline internal detection, and particularly relates to a pressure pipeline operation data acquisition device and a pipeline intelligent internal detector.
Background
Most oil and gas pipelines in China are distributed in mountainous areas, and landslide, water damage, settlement, collapse, debris flow and other ground disasters can cause local pipe sections to displace or bend, and if the displaced pipe sections have weld quality defects and pipe body defects, pipeline fracture or stress concentration fracture can be caused, so that serious safety production accidents are caused.
The conventional displacement monitoring technology mainly monitors key points, lacks the comprehensiveness of pipeline lines, and is known to be an effective means at present to carry an IMU mapping device for detecting pipeline bending strain and displacement for many times; the current IMU mapping device mainly comprises fiber optic gyroscope and quartzy flexible accelerometer, and the size is great, do not possess pipeline operation data acquisition functions such as operating pressure, operating temperature, must use with detector collocation, can't carry on the dredging pipe ware, and the scope that is suitable for the pipeline bore is little, be not convenient for with the detector is integrated, mapping device constitutes a lesson alone, and equipment is heavy, and is with high costs, and equipment preparation cycle is long, is not suitable for developing the mountain area pipeline of bending strain and displacement detection many times in a year.
Disclosure of Invention
In order to solve the problems, namely to solve the problems that the pipeline detection device in the prior art is complex in structure and low in intelligent degree, the invention provides a pressure pipeline operation data acquisition device and a pipeline intelligent internal detector.
A first aspect of the present invention provides a pressure conduit operational data acquisition apparatus, the apparatus comprising: the pressure-bearing cabin body is internally provided with a first hollow chamber and a second hollow chamber, and the first chamber and the second chamber are respectively provided with a first connecting support and a second connecting support; one end part of the pressure-bearing cabin body is provided with a through hole;
the pressure-bearing cabin cover can be covered on the through hole in an opening and closing manner, and is provided with a holding tank for arranging a communication device;
the MEMS-IMU and the core processing board are sequentially arranged on the first connecting bracket; the core processing board stores and processes the data acquired by the MEMS-IMU;
the heat dissipation module is arranged on the core processing board;
an energy supply module, the energy supply module is installed in the second connecting bracket.
In some preferred embodiments, the core processing board includes an FPGA chip, an SATA disk, an ADC chip, a temperature compensation crystal oscillator, a PCIE communication interface, and a J30J connector, where the SATA disk, the ADC chip, the temperature compensation crystal oscillator, and the PCIE communication interface are all in signal connection with the FPGA chip; the FPGA chip is configured to receive, control and manage various signals;
the J30J connector is configured to communicate with an external device.
In some preferred embodiments, the FPGA chip includes a control module, a mileage preference module, a clock management module, an analog channel acquisition module, an IMU channel acquisition module, a storage management module, and a PCIE communication interface module, where the mileage preference module, the clock management module, the analog channel acquisition module, the IMU channel acquisition module, the storage management module, and the PCIE communication interface module are all in signal connection with the control module;
the control module is configured to complete the switching and triggering of a system debugging mode and an acquisition mode and the generation of a data frame of a fixed frequency acquisition mode;
the mileage optimization module is configured to complete optimization and frequency multiplication of three routes of mileage, and provides mileage optimization signals for the control module to be used as mileage pulse counting and triggering;
the clock management module is configured to complete system clock synchronization and frequency division work of the temperature compensation crystal oscillator;
the analog channel acquisition module is configured to control the analog-to-digital converter to complete acquisition of analog signals of the pressure sensor and the temperature sensor based on a trigger instruction sent by the control module;
the IMU channel acquisition module is configured to complete acquisition of MEMS-IMU gyroscope and accelerometer channel data;
the storage management module is configured to store the data acquired by the analog channel acquisition module and the IMU channel acquisition module to the SATA disk in a partitioned manner based on the instruction sent by the control module;
the PCIE interface module is configured to communicate with a PC.
In some preferred embodiments, the core processing board adopts a dual-mode acquisition storage system, and the system comprises a fixed frequency acquisition mode program, a trigger acquisition mode program and a dual-mode real-time partition storage management program; the fixed frequency acquisition mode program is configured for completing acquisition of MEMS-IMU data and framing with time and mileage counts; the trigger acquisition mode program is configured to complete acquisition of analog signals under the trigger of the preferred mileage pulse and to perform framing with time and mileage counting; the dual-mode real-time partition storage management program is configured to plan storage positions of different data frames through strict time sequence control so as to complete real-time partition storage of dual-mode data.
In some preferred embodiments, the heat dissipation module comprises a heat sink; one side of the radiating fin is provided with a connecting part which is used for fixing the core processing board;
the other side of the radiating fin protrudes outwards to form a protruding structure, a plurality of grooves are formed in the end portion of the protruding structure, and the grooves are arranged at intervals.
In some preferred embodiments, the gaps between the heat dissipation fins and the bearing cabin body are filled with heat-conducting silica gel.
In some preferred embodiments, the material of the heat sink is aluminum.
In some preferred embodiments, the temperature compensation crystal oscillator is a 32.768KHz high-precision temperature compensation crystal oscillator.
In some preferred embodiments, the pressure-bearing cabin cover is connected with the pressure-bearing cabin body through a movable connecting piece and is locked to the pressure-bearing cabin body through a pressing piece;
the outer wall of the pressure-bearing cabin body is provided with a connecting part for connecting with other devices.
The invention provides a pipeline intelligent internal detector, which comprises a speed regulating unit, a power unit and a control system unit, wherein the speed regulating unit is configured to regulate the running speed; the power unit is configured to provide power required by movement; the control system unit is provided with the pressure pipeline operation data acquisition device.
The invention provides the pressure pipeline operation data acquisition device which is wide in applicable pipeline caliber range, convenient to integrate with a pipe cleaner or a detector, short in preparation period, high in precision, simple and reliable in structure, strong in impact resistance and good in stability; the designed pressure pipeline operation data acquisition device can be used in pipelines with various calibers, and the accuracy and reliability of detection signals are ensured.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of an embodiment of a pressure pipe operation data acquisition device according to the present invention;
fig. 2 is a functional block diagram of the core processing board of fig. 1.
The description of the reference numbers follows in order:
1. MEMS-IMU; 2. an IMU mount; 3. a core processing board; 4. a heat sink; 5. a battery pack; 6. a pressure-bearing cabin body; 7. a pressure-bearing hatch cover; 8. a PCIE adapter board; 9. a Seacon connector; 10. a first connecting bracket; 11. and connecting the support columns.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
A first aspect of the present invention provides a pressure conduit operational data acquisition apparatus, the apparatus comprising: the pressure-bearing cabin body is internally provided with a first hollow chamber and a second hollow chamber, and the first chamber and the second chamber are respectively provided with a first connecting support and a second connecting support; one end part of the pressure-bearing cabin body is provided with a through hole; through the arrangement of the first connecting bracket and the second connecting bracket in different areas, the fixation of each part arranged in the cavity is ensured, the structure is simple, and the integration level is high;
the pressure-bearing cabin cover can be covered on the through hole in an opening and closing manner, and is provided with a holding tank for arranging a communication device;
the MEMS-IMU and the core processing board are sequentially arranged on the first connecting bracket; the core processing board stores and processes the data acquired by the MEMS-IMU; the core processing board stores and processes the data acquired by the MEMS-IMU; the core processing board finishes the acquisition of IMU data through a fixed frequency acquisition mode, finishes the acquisition of external sensor data through a trigger mode, the two acquisition modes share a mileage system and a time system, and the data are mutually independent and stored in a partition mode, so that the subsequent data analysis, analysis and automatic alignment are facilitated;
the heat dissipation module is arranged on the core processing board and used for dissipating heat inside the device; the gaps between the heat dissipation module and the pressure-bearing cabin body are filled with heat-conducting silica gel, so that heat dissipation through the cabin body is facilitated;
and the energy supply module is arranged on the second connecting bracket and supplies power to the device.
Further, the heat dissipation module is a heat dissipation fin; the energy supply module is a battery pack.
The invention is further described with reference to the following detailed description of embodiments with reference to the accompanying drawings.
Referring to fig. 1, which is a schematic structural diagram of an embodiment of the device for acquiring operating data of a pressure pipeline according to the present invention, a first aspect of the present invention provides a device for acquiring operating data of a pressure pipeline, which comprises a pressure-bearing chamber body 6 having a hollow first chamber and a hollow second chamber, wherein the first chamber and the second chamber are respectively provided with a first connecting bracket 10 and a second connecting bracket; one end part of the pressure-bearing cabin body is provided with a through hole; the pressure-bearing cabin cover 7 can be covered on the through hole in an opening and closing manner, a containing groove is formed in the pressure-bearing cabin cover and is used for arranging a communication device, the communication device comprises a Seacon connector 9 and a PCIE adapter plate 8 and is used for being interconnected and communicated with the outside, and an electrifying switch is further arranged on the pressure-bearing cabin cover and is used for electrifying control; the MEMS-IMU1 and the core processing board 3, the core processing board is arranged on the first connecting bracket, and the MEMS-IMU is fixedly connected with the first connecting bracket through the IMU mounting seat 2; the core processing board is connected with the MEMS-IMU through a connecting support column 11, and the core processing board is designed in a high integration level and small size; the core processing board stores and processes the data acquired by the MEMS-IMU; the heat sink 4 is arranged on the core processing board; and the battery pack 5 is arranged on the second connecting bracket.
Preferably, one side of the heat sink is provided with a connecting part, the connecting part is used for fixing the core processing board, and the connecting part is connected with the core processing board through the arrangement of four threaded holes; the other side of the radiating fin protrudes outwards to form a protruding structure, a plurality of grooves are formed in the end portion of the protruding structure, and the grooves are arranged at intervals to increase the radiating area.
Further, the gaps between the radiating fins and the bearing cabin body are filled with heat-conducting silica gel, so that heat dissipation is facilitated.
Preferably, the material of the heat sink is aluminum.
Further, the pressure-bearing cabin cover is connected with the pressure-bearing cabin body through a movable connecting piece and is locked on the pressure-bearing cabin body through a pressing piece; the outer wall of the pressure-bearing cabin body is provided with a connecting part for connecting with other devices.
Further, referring to fig. 2, the core processing board includes an FPGA chip, an SATA disk, an ADC chip, a 32.768KHz high-precision temperature compensation crystal oscillator, a PCIE communication interface, and a J30J connector, and the SATA disk, the ADC chip, the temperature compensation crystal oscillator, and the PCIE communication interface are all in signal connection with the FPGA chip; the FPGA chip is configured to receive, control and manage various signals; the J30J connector is configured to interconnect with external devices, and its definition mainly includes MEMS-IMU interface, analog channel, clock synchronization interface, mileage interface, power supply, etc. Wherein, the FPGA and SATA are adhered with heat-conducting silica gel, and the high-precision temperature compensation crystal oscillator is provided with a through hole.
The FPGA chip mainly comprises a control module, a mileage optimization module, a clock management module, an analog channel acquisition module, an IMU channel acquisition module, a storage management module and a PCIE communication interface module, wherein the mileage optimization module, the clock management module, the analog channel acquisition module, the IMU channel acquisition module, the storage management module and the PCIE communication interface module are in signal connection with the control module. The control module mainly completes the switching and triggering of a system debugging mode and an acquisition mode, and the generation of data frames of a fixed frequency acquisition mode, and is in signal interconnection and communication with other modules; the mileage optimization module completes optimization and frequency multiplication of three routes of mileage and provides mileage optimization signals for the control module to be used as mileage pulse counting and triggering; the clock management module completes system clock synchronization and 32.768KHz high-precision temperature compensation crystal oscillator frequency division work, pulse signals after frequency division are supplied to the control module to be used as time increment counting, and the precision is ms level; the analog channel acquisition module controls the analog-to-digital converter to acquire analog signals of the pressure sensor and the temperature sensor based on a trigger instruction sent by the control module; the IMU channel acquisition module finishes the acquisition of MEMS-IMU gyroscope and accelerometer channel data; the storage management module is configured to store the data acquired by the analog channel acquisition module and the IMU channel acquisition module to the SATA disk in a partitioned manner based on the instruction sent by the control module; the PCIE interface module is configured to communicate with a PC to complete functions of debugging, parameter configuration, data downloading and the like.
In this embodiment, the core processing board completes acquisition of IMU data through a fixed frequency acquisition mode, completes acquisition of external sensor data through a trigger mode, the two acquisition modes share a mileage system and a time system, and data are mutually independent and stored in different regions, so that subsequent data analysis, analysis and automatic alignment are facilitated.
Furthermore, the core processing board adopts a dual-mode acquisition and storage system which mainly comprises a fixed frequency acquisition mode program, a trigger acquisition mode program and a dual-mode real-time partition storage management program; the fixed frequency acquisition mode program is configured to be used for completing the acquisition of MEMS-IMU data and framing with time, mileage count and the like; the acquisition mode triggering program finishes acquisition of analog signals under the triggering of optimized mileage pulse and forms frames with time, mileage count and the like, and the repetition frequency can reach 15 KHz; the dual-mode real-time partitioned storage management program is configured to plan storage locations of different data frames through strict timing control to complete real-time partitioned storage of dual-mode data.
The pressure-bearing cabin body in the embodiment can be fixed at the tail parts of a large-caliber pipe cleaner and an intelligent inner detector through flanges, or can be independently used as a section of a small-caliber pipe cleaner and an intelligent inner detector through the end face mounting of a leather cup, and can be suitable for 8-56-inch pipe cleaners and intelligent inner detectors; the device has the advantages of wide applicable pipeline caliber range, convenient integration with a pipe cleaner or a detector, short preparation period, high precision, simple and reliable structure, strong impact resistance and good stability; the device provided by the first aspect of the invention has the advantages of small structure, strong functions, easy integration on a pipeline cleaner and a deformation or corrosion intelligent detector, realization of pipeline direction surveying and mapping and acquisition of data such as operating pressure, temperature and the like, and provision of a basis for guaranteeing the safe operation of an oil-gas pipeline.
The invention provides a pipeline intelligent internal detector, which comprises a speed regulating unit, a power unit and a control system unit, wherein the speed regulating unit is configured to regulate the running speed; the power unit is configured to provide power required by movement; the control system unit is provided with the pressure pipeline operation data acquisition device.
Wherein, the speed regulating unit consists of an external rotary valve, an internal rotary valve, a front end flange, a tapered roller bearing and a felt ring backing ring; an anti-collision head is fixed outside the speed regulating unit, the right end of the speed regulating unit is connected with a framework, the right end of the framework is connected with a rear end flange, a leather cup guide plate and a butterfly leather cup are arranged between the speed regulating unit and the framework and between the framework and the rear end flange, a leather cup gasket is arranged between the leather cup guide plate and the butterfly leather cup, a leather cup gasket is arranged between the butterfly leather cup and a straight leather cup, a motor unit and a battery compartment are arranged inside the framework, the motor unit is connected with the speed regulating unit, and the battery compartment is connected with the rear end flange; the motor unit mainly comprises a motor shell, a direct current stepping motor, a speed reducer and an initial state recorder, wherein a stepping motor motion control card is arranged in the direct current stepping motor, a battery shell is arranged outside a battery bin, and a battery and a control system unit are arranged in the battery bin; the control system unit mainly comprises a singlechip, a data acquisition module, a data storage module, a motor control execution module, a computer preprocessing module and the like, wherein the data acquisition module is the pressure pipeline operation data acquisition device of the first aspect of the invention, and the pressure pipeline operation data acquisition device is arranged, so that the control system unit has the advantages of high integration degree, light design, wide applicable pipeline caliber range, integration with a pipe cleaner or a detector, short preparation period, high precision, simple and reliable structure, strong impact resistance and good stability.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A pressure conduit operational data acquisition device, the device comprising:
the pressure-bearing cabin body is internally provided with a first hollow chamber and a second hollow chamber, and the first chamber and the second chamber are respectively provided with a first connecting support and a second connecting support; one end part of the pressure-bearing cabin body is provided with a through hole;
the pressure-bearing cabin cover can be covered on the through hole in an opening and closing manner, and is provided with a holding tank for arranging a communication device;
the MEMS-IMU and the core processing board are sequentially arranged on the first connecting bracket; the core processing board stores and processes the data acquired by the MEMS-IMU;
the heat dissipation module is arranged on the core processing board;
an energy supply module, the energy supply module is installed in the second connecting bracket.
2. The pressure pipeline operation data acquisition device as claimed in claim 1, wherein the core processing board comprises an FPGA chip, an SATA disk, an ADC chip, a temperature compensation crystal oscillator, a PCIE communication interface, and a J30J connector, and the SATA disk, the ADC chip, the temperature compensation crystal oscillator, and the PCIE communication interface are all in signal connection with the FPGA chip; the FPGA chip is configured to receive, control and manage various signals;
the J30J connector is configured to communicate with an external device.
3. The pressure pipeline operation data acquisition device according to claim 2, wherein the FPGA chip comprises a control module, a mileage preference module, a clock management module, an analog channel acquisition module, an IMU channel acquisition module, a storage management module and a PCIE communication interface module, and the mileage preference module, the clock management module, the analog channel acquisition module, the IMU channel acquisition module, the storage management module and the PCIE communication interface module are all in signal connection with the control module;
the control module is configured to complete the switching and triggering of a system debugging mode and an acquisition mode and the generation of a data frame of a fixed frequency acquisition mode;
the mileage optimization module is configured to complete optimization and frequency multiplication of three routes of mileage, and provides mileage optimization signals for the control module to be used as mileage pulse counting and triggering;
the clock management module is configured to complete system clock synchronization and frequency division work of the temperature compensation crystal oscillator;
the analog channel acquisition module is configured to control the analog-to-digital converter to complete acquisition of analog signals of the pressure sensor and the temperature sensor based on a trigger instruction sent by the control module;
the IMU channel acquisition module is configured to complete acquisition of MEMS-IMU gyroscope and accelerometer channel data;
the storage management module is configured to store the data acquired by the analog channel acquisition module and the IMU channel acquisition module to the SATA disk in a partitioned manner based on the instruction sent by the control module;
the PCIE interface module is configured to communicate with a PC.
4. The pressure pipeline operation data acquisition device as claimed in claim 1, wherein the core processing board adopts a dual-mode acquisition storage system, and the system comprises a fixed frequency acquisition mode program, a trigger acquisition mode program and a dual-mode real-time partition storage management program; the fixed frequency acquisition mode program is configured for completing acquisition of MEMS-IMU data and framing with time and mileage counts; the trigger acquisition mode program is configured to complete acquisition of analog signals under the trigger of the optimized mileage pulse and to frame with time and mileage counts; the dual-mode real-time partition storage management program is configured to plan storage positions of different data frames through strict time sequence control so as to complete real-time partition storage of dual-mode data.
5. The pressure conduit operational data acquisition device of claim 1 wherein the heat dissipation module comprises a heat sink; one side of the radiating fin is provided with a connecting part which is used for fixing the core processing board;
the other side of the radiating fin protrudes outwards to form a protruding structure, a plurality of grooves are formed in the end portion of the protruding structure, and the grooves are arranged at intervals.
6. The pressure pipeline operating data acquisition device as claimed in claim 5, wherein gaps between the heat radiating fins and the pressure-bearing chamber body are filled with heat-conducting silica gel.
7. The pressure conduit operational data acquisition device of claim 6 wherein the material of the heat sink is aluminum.
8. The pressure pipeline operation data acquisition device as claimed in claim 2, wherein the temperature compensated crystal oscillator is a 32.768KHz high precision temperature compensated crystal oscillator.
9. The pressure pipeline operation data acquisition device as claimed in claim 1, wherein the pressure-bearing cabin cover is connected with the pressure-bearing cabin body through a movable connecting piece and is locked to the pressure-bearing cabin body through a pressing piece;
the outer wall of the pressure-bearing cabin body is provided with a connecting part for connecting with other devices.
10. The intelligent pipeline internal detector is characterized by comprising a speed regulating unit, a power unit and a control system unit, wherein the speed regulating unit is configured to be used for regulating the running speed; the power unit is configured to provide power required by movement; the control system unit is provided with a pressure pipeline operation data acquisition device as claimed in any one of claims 1 to 9.
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| CN202110444117.9A CN113175624B (en) | 2021-04-23 | 2021-04-23 | Pressure pipeline operation data acquisition device and pipeline intelligent internal detector |
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| CN202110444117.9A CN113175624B (en) | 2021-04-23 | 2021-04-23 | Pressure pipeline operation data acquisition device and pipeline intelligent internal detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2427711Y (en) * | 2000-06-20 | 2001-04-25 | 锡山市阀门厂 | Pipe cleaning emitting receiving valve |
| US9366596B2 (en) * | 2013-05-21 | 2016-06-14 | King Fahd University Of Petroleum And Minerals | Pipeline leak detector |
| CN105156767B (en) * | 2015-08-20 | 2018-08-14 | 温州金合特种材料制造有限公司 | A kind of Langaloy duct element and preparation method thereof with visor |
| CN109491276B (en) * | 2017-09-11 | 2021-03-09 | 清华大学 | Detector data receiving and storing device in oil and gas pipeline |
| CN108955675A (en) * | 2018-07-24 | 2018-12-07 | 东南大学 | A kind of underground piping track detection system and method based on inertia measurement |
| CN209818966U (en) * | 2019-01-10 | 2019-12-20 | 中国铁路设计集团有限公司 | Water supply and drainage pipeline connecting device with filtering capability |
| CN110671610A (en) * | 2019-10-28 | 2020-01-10 | 北京科技大学天津学院 | Monitoring system and monitoring method for heat supply pipeline |
| CN112377818B (en) * | 2020-11-13 | 2023-01-17 | 江苏杰霸物联网科技有限公司 | Gas leakage monitoring device based on intelligent gas and use method thereof |
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