CN109491276B - Detector data receiving and storing device in oil and gas pipeline - Google Patents

Detector data receiving and storing device in oil and gas pipeline Download PDF

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Publication number
CN109491276B
CN109491276B CN201710811162.7A CN201710811162A CN109491276B CN 109491276 B CN109491276 B CN 109491276B CN 201710811162 A CN201710811162 A CN 201710811162A CN 109491276 B CN109491276 B CN 109491276B
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data
module
mileage
main controller
chip
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CN109491276A (en
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郭静波
朴冠宇
胡铁华
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Tsinghua University
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Tsinghua University
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0421Multiprocessor system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/10Plumb lines
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C22/00Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/10Programming or data input circuits
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/22Pc multi processor system
    • G05B2219/2214Multicontrollers, multimicrocomputers, multiprocessing
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25171Serial, RS232
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2612Data acquisition interface
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042Universal serial bus [USB]

Abstract

The embodiment of the invention discloses a data receiving and storing device for a detector in an oil and gas pipeline, wherein a data receiving module is connected with a main controller module and an external data line concentration device, and is configured to receive high-speed serial data transmitted by a sensor probe of the inner detector through the data line concentration device and transmit the high-speed serial data to the main controller module; the mileage module is connected with the main controller module and the mileage wheels, and is configured to receive trigger signals of the mileage wheels and transmit the trigger signals to the main controller module; the weight module is connected with the main controller module and is configured to record the circumferential angle position of the inner detector in real time and transmit the circumferential angle position to the main controller module; the main controller module comprises a plurality of core chips and is configured to process the trigger signal to obtain a mileage wheel signal, and the high-speed serial data and the circumferential angle position data are stored in the data storage module through the cooperation of the plurality of core chips under the pulse trigger of the mileage wheel signal.

Description

Detector data receiving and storing device in oil and gas pipeline
Technical Field
The embodiment of the invention relates to the field of petroleum and natural gas energy and the field of high-end equipment manufacturing, in particular to a data receiving and storing device of a detector in an oil-gas pipeline.
Background
The oil and gas pipeline is a life line for energy transportation, and the running condition of the oil and gas pipeline directly influences the ecological environment and national safety; the oil gas pipeline defect internal detection technology and the equipment have great industrial and practical significance. The internal detection equipment mainly relates to a pipeline deformation detection robot, a pipeline magnetic flux leakage detection robot, a pipeline crack detection robot and the like. In the detection process of the pipeline detection robot in the pipeline, an electronic system carried by the pipeline detection robot needs to acquire, transmit and store data of a plurality of sensors in real time. Therefore, a stable and reliable data acquisition, transmission and storage system is the key for the normal operation of the internal detector. At present, the data acquisition and storage system of the in-service internal detector has the problems of large volume, high power consumption, slow transmission rate, limited storage capacity, low reliability and compatibility and the like, and the development of the in-pipeline detector is severely restricted.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
In one embodiment of the present invention, there is provided:
an in-hydrocarbon pipeline detector data receiving and storage device comprising: the system comprises a main controller module, a data receiving module, a data storage module, a mileage module and a heavy hammer module;
the data receiving module is respectively connected with the main controller module and a peripheral data line concentrator, and is configured to receive high-speed serial data transmitted by a sensor probe of the internal detector through the data line concentrator and transmit the high-speed serial data to the main controller module;
the mileage module is connected with the main controller module and peripheral mileage wheels, is configured to receive trigger signals of a plurality of mileage wheels, and transmits the trigger signals to the main controller module;
the weight module is connected with the main controller module and is configured to record the circumferential angle position of the inner detector in real time and transmit the circumferential angle position to the main controller module;
the main controller module comprises a plurality of core chips and is configured to process the trigger signal to obtain a mileage wheel signal, and the high-speed serial data and the circumferential angle position data are stored in the data storage module through the cooperation of the plurality of core chips under the pulse trigger of the mileage wheel signal.
Preferably, the mileage module comprises a plurality of mileage wheel interfaces, each mileage wheel interface configured to receive a trigger signal of one mileage wheel;
the main controller module processes the trigger signal to obtain a mileage wheel signal, and the process comprises the following steps:
and selecting and frequency dividing the trigger signal to obtain the mileage wheel signal.
Preferably, the processing the trigger signal by the main controller module to obtain a mileage wheel signal includes:
selecting a triggering edge of the mileage wheel which reaches a preset triggering mileage in a preset time period from the triggering signals of the mileage wheels as a mileage triggering signal;
and carrying out frequency division and encryption on the mileage trigger signal to obtain a mileage wheel signal.
Preferably, the plurality of core chips include: the system comprises a field programmable gate array FPGA chip, a digital signal processing DSP chip and an advanced reduced instruction set computer ARM chip;
the storing the high-speed serial data and the circumferential angular position data into the data storage module through the matching of the plurality of core chips comprises:
the FPGA chip is configured to communicate with the data receiving module to obtain the high-speed serial data and communicate with the heavy hammer module to obtain the circumferential angle position, and is also configured to communicate with the mileage module to obtain the trigger signal, select and frequency-divide the trigger signal to obtain the mileage wheel signal, and transmit the high-speed serial data, the circumferential angle position and the mileage wheel signal to the DSP chip through a universal mobile phone processor upp communication interface;
the DSP chip is configured to receive the high-speed serial data, the circumferential angle position and the mileage wheel signal transmitted by the FPGA chip through the upp communication interface, and transmit the high-speed serial data, the circumferential angle position and the mileage wheel signal to the ARM chip through a syslink component of SharedRegion;
the ARM chip is configured to drive an interface of a solid state disk of the data storage module, and the high-speed serial data and the circumferential angle position data are stored in the solid state disk under the pulse triggering of the mileage wheel signal.
Preferably, the data receiving and storing device for the detector in the oil and gas pipeline further comprises: a data downloading and debugging module;
the data downloading and debugging module is electrically connected with the main controller module, the data storage module and a computer of an external device respectively, and is configured to feed back the state of the main controller module to the computer and download the data stored in the data storage module to the computer.
Preferably, the data storage module further comprises: a gating switch;
the gating switch is configured to control the solid state disk to be connected to the main controller module or to be connected to the data downloading and debugging module;
when the solid state disk is connected to the main controller module, the solid state disk is configured to store data transmitted by the main controller module;
when the solid state disk is connected to the data downloading and debugging module, the data downloading and debugging module is configured to download the data stored in the solid state disk to the computer.
Preferably, the data downloading and debugging module includes: converting a computer communication chip and a solid state disk into a Universal Serial Bus (USB) chip;
the computer communication chip is configured to convert the RS-232 serial port data into USB2.0 interface data and communicate with a computer through a USB2.0 interface;
the solid state disk USB chip is configured to convert data in the solid state disk into USB3.0 interface data, and download the USB3.0 interface data to a computer through a USB3.0 interface.
Preferably, the first and second liquid crystal materials are,
the rate of the upp communication interface is greater than or equal to 50 MB/s;
the SharedRegion component rate is greater than or equal to 50 MB/s;
the ARM chip adopts a Linux3.3 kernel system;
the storage rate of the ARM chip is more than or equal to 160 Mbps;
the data receiving module adopts an RS-485 differential duplex communication chip;
the size of the solid state disk is 70mm multiplied by 32mm multiplied by 6mm, and the capacity is 512 GB.
Preferably, the weight module comprises: an angle sensor, a weight and a recording unit; the angle sensor is fixed in the inner detector and rotates along with the rotation of the inner detector, and the rotating angle is the same as the rotating angle of the inner detector; the heavy hammer points to the ground at any time;
the recording unit is configured to record the circumferential angular position of the inner detector in real time through the angle sensor and the swinging of the weight.
The embodiment of the invention has the advantages that: the data receiving and storing device of the detector in the oil and gas pipeline comprises a main controller module with a plurality of core chips, and can provide rich, high-speed and flexible data communication interfaces; the main controller module is respectively connected to the data receiving module, the data storage module, the data downloading and debugging module, the mileage module and the heavy hammer module, and can realize the high-speed and stable transmission and storage functions of various sensor data; the embodiment of the invention adopts the solid state disk, the maximum storage capacity of a single hard disk reaches 512GB, and the data storage capacity of the internal detector is greatly improved; a USB3.0 high-speed data transmission interface is adopted, the data downloading speed reaches more than 280MB/S, and the time for downloading all data of the hard disk is less than 30 minutes; the device provided by the embodiment of the invention has the characteristics of low power consumption, small volume and the like, supports the highest moving speed of the internal detector up to 30m/s, and can provide data control, high-speed data transmission, storage, downloading and other functions of an electronic system for various types of detectors in oil and gas pipelines, such as deformation internal detectors, corrosion leakage internal detectors, crack internal detectors and the like.
Other aspects will be apparent upon reading and understanding the attached drawings and detailed description.
Drawings
Embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar elements and in which:
FIG. 1 is a schematic structural diagram of a data receiving and storing device of a detector in an oil and gas pipeline according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a data receiving and storing device of a detector in an oil and gas pipeline, which includes a data downloading and debugging module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of the data storage module and the data downloading and debugging module according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a main controller module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a mile wheel trigger signal selection and frequency division algorithm according to an embodiment of the invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings and should not be used to limit the scope of the embodiments of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in this embodiment of the invention, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
Example one
In one embodiment of the present invention, there is provided: an in-hydrocarbon pipeline detector data receiving and storing device 1, as shown in fig. 1, comprises: the system comprises a main controller module 11, a data receiving module 12, a data storage module 13, a mileage module 14 and a weight module 15.
The data receiving module 12 is respectively connected with the main controller module 11 and a peripheral data line concentrator, and is configured to receive high-speed serial data transmitted by a sensor probe of the internal detector through the data line concentrator and transmit the high-speed serial data to the main controller module;
the mileage module 14 is connected with the main controller module 11 and peripheral mileage wheels, and is configured to receive trigger signals of a plurality of mileage wheels and transmit the trigger signals to the main controller module 11;
a weight module 15 connected to the main controller module 11 and configured to record a circumferential angular position of the inner detector in real time and transmit the circumferential angular position to the main controller module 11;
the main controller module 11 includes a plurality of core chips, and is configured to process the trigger signal to obtain a mileage wheel signal, and store the high-speed serial data and the circumferential angle position data in the data storage module 13 by the cooperation of the plurality of core chips under the pulse trigger of the mileage wheel signal.
In one or more embodiments of the present invention, the main controller module 11 may include three core chips and peripheral circuits, and the main controller module 11 is connected to the data receiving module 12, the data storage module 13, the mileage module 14, and the weight module 15 respectively; the system is configured to control the internal detector (or the robot electronic system) in real time, receive the high-speed serial data transmitted by the internal detector sensor and store the high-speed serial data into the large-capacity data storage module 13 in real time; the peripheral circuit may include a Real-Time Clock (RTC), an external memory unit, a memory, and the like.
In one or more embodiments of the present invention, the data receiving module 13 may adopt an RS-485 differential duplex communication chip, and use a communication rate of 50 Mbps; one end of the data concentrator is electrically connected to the main controller module 11, and the other end of the data concentrator is connected to the data concentrator, and is responsible for transmitting the high-speed serial data of all the sensor probes of the internal detector to the main controller module 11 through the data concentrator.
In one or more embodiments of the present invention, the data line concentrator and the sensor probe are two other devices of the detector in the oil and gas pipeline, and the sensor probe may be of various types, such as a deformation sensor probe, a magnetic leakage sensor probe, an eddy current sensor probe, and the like, according to the type of the detector in the oil and gas pipeline; the data line concentration device performs line concentration operation on the data acquired by the various types of sensor probes; the line concentration operation refers to merging the input data of the multiple sensors into a single path and transmitting the single path to the data receiving module 12 in the embodiment of the present invention, so that the physical space occupied by the transmission line is saved, and the data transmission efficiency is improved.
In one or more embodiments of the invention, the data storage module 13 may include: a solid state disk 131; the device is configured to store all collected data in real time at high speed.
In one or more embodiments of the present invention, the data storage module 13 may adopt a secure digital card SD memory card, a Micro secure digital card Micro SD memory card, a FLASH memory chip/array, and the like, and optionally, an industrial solid state disk with a large capacity, a high speed, a small volume, and low power consumption may be adopted in the embodiments of the present invention, so as to ensure stable and high-speed storage of a large amount of acquired data.
In one or more embodiments of the invention, the solid state disk 131 may use the smallest size of the existing industrial solid state disk, such as 70mm × 32mm × 6 mm. The large-capacity data storage module 13 of the embodiment of the invention adopts a single solid state disk with the maximum capacity, and the capacity reaches 512 GB.
In one or more embodiments of the invention, the mileage module 14 may include multiple mileage wheel interfaces, where each mileage wheel interfaceThe mileage wheel interface is configured to receive a trigger signal of a mileage wheel and transmit the trigger signal to the main controller module 11, and the main controller module 11 selects and frequency-divides a plurality of trigger signals to generate mileage wheel signals with the spacing of 2mm, wherein the error precision of the mileage wheel signals is less than 10-6And the requirement of actual engineering operation on mileage is completely met.
In one or more embodiments of the present invention, the weight module 15 may include an angle sensor and a weight, wherein the angle sensor is fixed in the inner detector and rotates by the same angle with the rotation of the inner detector; the heavy hammer points to the ground all the time due to the influence of the gravity of the earth; and the heavy hammer module records the circumferential angle position of the inner detector in real time through an angle sensor and the swinging of the heavy hammer.
The data receiving and storing device 1 for the detector in the oil and gas pipeline provided by the embodiment of the invention can provide data control and high-speed data transmission and storage functions of an electronic system for various types of detectors in the oil and gas pipeline, such as a deformation internal detector, a corrosion leakage internal detector, a crack internal detector and the like.
Example two
The difference between the embodiment and the first embodiment is that a data downloading and debugging module 16 is added in the data receiving and storing device of the detector in the oil and gas pipeline in the embodiment of the invention, so that the data receiving and storing device of the detector in the oil and gas pipeline can communicate with a computer, and the data downloading function is realized on the basis of the functions of data transmission and storage, as shown in fig. 2.
The data receiving and storing device 1 for the detector in the oil and gas pipeline can further comprise: data download and debug module 16.
The data downloading and debugging module 16 is electrically connected with the main controller module 11, the data storage module 13 and the computer respectively, and is configured to feed back the state of the main controller module 11 to the computer and download the data stored in the data storage module 13 to the computer.
In one or more embodiments of the present invention, the data storage module 13 further includes: a gate switch 132; and a gating switch 132 configured to control the solid state disk 131 to be connected to the main controller module 11 or to be connected to the data downloading and debugging module 16.
When the solid state disk 131 is connected to the main controller module 11, the solid state disk 131 is configured to store data transmitted by the main controller module 11;
when the solid state disk 131 is connected to the data downloading and debugging module 16, the data downloading and debugging module 16 is configured to download the data stored in the solid state disk 131 to the computer.
In one or more embodiments of the present invention, the gating switch 132 may receive a control signal from the main controller module 11, and select to connect to the main controller module 11 or to connect to the data downloading and debugging module 16 under the control of the main controller module 11. The control signal may be sent when the main controller module 11 detects that the data receiving module 12 transmits the received high-speed serial data to the main controller module 11, and controls the gating switch 132 to connect the solid state disk 131 to the main controller module 11; the control signal may also be sent when the main controller module 11 detects that the data downloading and debugging module 16 is connected to the computer, and controls the gating switch 132 to connect the solid state disk 131 to the data downloading and debugging module 16.
EXAMPLE III
The difference between this embodiment and the second embodiment is that, on the basis of the second embodiment, the composition structures of the data storage module 13 and the data downloading and debugging module 16 are further defined, as shown in fig. 3.
In one or more embodiments of the present invention, the large-capacity data storage module 13 and the data downloading and debugging module 16 may be respectively connected to an ARM chip of the main controller module 11, and store data acquired and transmitted by the main controller module 11 into the solid state disk 131 through the ARM chip, and debug or download the data to the computer.
In one or more embodiments of the present invention, the high-speed gating switch 132 is responsible for controlling the connection state of the solid state disk 131; in the embodiment of the invention, the high-speed gating switch 132 can adopt a MAX4888CETI type chip which is produced by the American telecommunication semiconductor company and is a double-pole double-throw switch, the interface can be compatible with a high-speed computing I interface, an SAS interface, an SATA interface and the like, can support signal communication reaching 6.0Gbps rate, and has the characteristics of small volume and low power consumption; the common terminal of the gating switch may be connected to the solid state disk 131, and the other terminal (i.e., the gating terminal) may be connected to the ARM chip, or may be connected to the terminal of the data downloading and debugging module 16 that is connected to the solid state disk to USB chip. Meanwhile, the control end of the gating switch 132 is connected to the ARM chip, and the gating position of the gating switch is determined by the ARM chip: when the solid state disk 131 is connected to the ARM chip, it is used to store data; when the solid state disk 131 is connected to the data downloading and debugging module 16, the solid state disk 131 is used for downloading data of the solid state disk 131 to the computer at a high speed; the data storage device 13 with large capacity provided by the embodiment of the invention stores the acquired data to the solid state disk 131 in real time through the linux3.3 kernel system driving interface of the ARM chip, and the storage rate can reach over 160 Mbps.
In one or more embodiments of the present invention, the data downloading and debugging module 16 can complete high-speed downloading and debugging of data through two conversion chips; the data download and debug module 16 may include: the computer communication chip 161 and the solid state disk are converted into a Universal Serial Bus (USB) chip 162;
the computer communication chip 161 is configured to convert the RS-232 serial port data into USB2.0 interface data, and communicate with a computer through a USB2.0 interface; the solid state disk-to-USB chip 162 is configured to convert data in the solid state disk into USB3.0 interface data, and download the USB3.0 interface data to a computer through a USB3.0 interface.
In one or more embodiments of the present invention, the computer communication chip 161, i.e. the RS-232 to USB chip, is responsible for transmitting the data of the ARM chip to the computer through the USB2.0 interface, and checking various data and states of the electronic system through the special debugging software of the computer; the RS-232-USB conversion chip provided by the embodiment of the invention can adopt an FT232RL chip, the chip is produced by Future Tech device company, is compatible with an RS-232 interface and a USB2.0 interface, and can convert RS-232 serial port data into USB2.0 communication data so as to realize communication between an ARM chip and a computer; the chip is also compatible with advanced computer systems such as Windows 98, Windows 2000, XP, Win7, Win8 and Win10, and is greatly convenient for users to use.
In one or more embodiments of the present invention, the solid state disk-to-USB chip 162 downloads the data of the solid state disk 131 to the computer at a high speed through the solid state disk-to-USB 3.0 interface.
In one or more embodiments of the present invention, the solid state disk-to-USB chip 162 may be implemented by an ASM1153E chip, which is manufactured by ASMEDIA tech. company, and can support data communication at a rate of up to 6Gbps, and support various communication interfaces such as USB3.0, USB2.0, SATA1.5, SATA3.0, and SATA6.0, and can implement interchange between two data interfaces, and even can map a solid state disk into a computer to become a hard disk component of the computer, thereby greatly facilitating a user to complete high-speed and stable downloading of large-capacity data through simple computer operation; the stable downloading speed of the data storage device 13 provided by the embodiment of the invention reaches more than 280MB/S, and the time for downloading all data of a 512GB hard disk is less than 30 minutes; this feature greatly facilitates the user to download large capacity data, avoiding waiting for a long time.
Example four
This embodiment is different from the first and second embodiments in that there is provided a method comprising: a main controller module 11 of an FPGA (Field-Programmable Gate Array), a DSP (Digital Signal Processor), and an ARM (Advanced RISC Machines), as shown in fig. 4.
The data received by the data receiving module is stored in the data storage module through the cooperation of the plurality of core chips, and the data receiving module comprises:
the FPGA chip is communicated with the data receiving module to obtain the high-speed serial data, is communicated with the mileage module to obtain the trigger signal, is communicated with the heavy hammer module to obtain the circumferential angle position, is communicated with the mileage module to obtain the trigger signal, selects and frequency-divides the trigger signal to obtain the mileage wheel signal, and transmits the high-speed serial data, the circumferential angle position and the mileage wheel signal to the DSP chip through a universal mobile phone processor upp communication interface;
the DSP chip receives the high-speed serial data, the circumferential angle position and the mileage wheel signal transmitted by the FPGA chip through the upp communication interface, and transmits the high-speed serial data, the circumferential angle position and the mileage wheel signal to the ARM chip through a syslink component of SharedRegion;
the ARM chip drives an interface of the solid state disk, and the high-speed serial data and the circumferential angle position are stored in the solid state disk in real time under the pulse triggering of the mileage wheel signal.
In one or more embodiments of the present invention, the plurality of core chips may include: optionally, a three-core chip scheme of FPGA + DSP + ARM is adopted in the scheme of the embodiment of the present invention, so as to ensure that data receiving, transmitting and storing work is completed stably and at high speed.
In one or more embodiments of the present invention, the FPGA + DSP + ARM three-core chip scheme may be implemented by respectively adopting a combination scheme of an FPGA chip, a DSP chip, and an ARM chip, or by adopting an integrated chip integrated with the FPGA, the DSP, and the ARM, and a detailed implementation manner thereof is not limited. The main controller module 11 according to the embodiment of the present invention will be described below by taking an embodiment of an integrated chip as an example.
In one or more embodiments of the invention, the main controller module 11 may employ an FPGA of Xilinx corporation (celebrity corporation), for example, an FPGA chip of model XC6SLX 45. The chip has 43661 logic units, 58 DSP48A1 digital processing modules, 2088Kb capacity RAM block and at most 358 available IO pins; the performance requirements set forth by the embodiments of the present invention can be fully met.
In one or more embodiments of the present invention, the main controller module 11 may further adopt an OMAPL138 chip, which is a low power consumption dual-core chip derived from texas instruments, and in which a TMS320C6748 DSP chip and an ARM926EJ-S ARM chip are embedded; meanwhile, the OMAPL138 chip supports a DSP end to operate an SYS/BIOS system, an ARM end supports a Linux3.3 kernel system and supports a SYSLINK dual-core communication component, and the internal communication efficiency of the DSP and ARM chips is greatly improved; the TMS320C6748 chip runs a main frequency of 456MHz, has floating point arithmetic capability, and supports functions of upp communication and the like; the ARM926EJ-S chip runs the main frequency of 456MHz, and the running Linux3.3 kernel system supports a SATA high-speed interface and SYSLINK dual-core communication components, such as Sharedregion, SysLink _ Notify, Heap × MP, ListMP and the like; the OMAPL138 dual-core chip completely meets the performance requirements provided by the embodiment. The FPGA chip can configure the execution logic of the chip through a program built in a 64Mbit SPI interface FLASH; the embodiment of the invention can adopt Verilog HDL language to compile program logic; the OMAPL138 dual-core chip can adopt a DDR2Memory RAM chip and a NAND Flash ROM chip, and the Memory capacity of each system is expanded through internal storage area division.
In one or more embodiments of the present invention, as shown in fig. 4, the FPGA integrated chip can be connected to the data receiving module 12, the mileage module 14, and the weight module 15; the high-speed data receiving module 12 may adopt an RS-485 differential duplex communication chip, and is configured to transmit the high-speed serial data of all the sensor probes to the main controller module 11 at a communication rate of 50 Mbps. In the second embodiment of the present invention, there may be 8 parallel data receiving modules 15, so as to perform a shunting operation on all data; the FPGA integrated chip can also receive data streams sent by the 8-path receiving module in parallel and simultaneously.
In one or more embodiments of the present invention, the mileage module 14 may have three mileage wheels to send mileage trigger data to the FPGA integrated chip; a mileage wheel selection and frequency division algorithm is embedded in the FPGA integrated chip, and a mileage wheel signal of 2mm can be generated; the mileage wheel signal with the interval of 2mm generated by the FPGA integrated chip means that when the inner detector moves forwards for 2mm along the pipeline, a falling edge pulse is triggered; the falling edge pulse is used as a working instruction of the whole internal detector, the heavy hammer module 15, the data receiving module 12 and the data storage module 13 are triggered to carry out data acquisition, transmission and storage, after the FPGA integrated chip acquires data of each module, the DSP chip can be triggered through the state interaction port, and all acquired data are acquired through the upp communication interface; the state interaction port may be composed of a General Purpose Input/Output (GPIO) port, and in this embodiment, the state information interaction may be completed by the high and low levels of the GPIO port; the upp communication interface can be an 8-bit parallel high-speed data communication interface, and the communication speed of the upp communication interface is as high as 50MB/s and above.
In one or more embodiments of the invention, after the DSP chip obtains all the collected data, the ARM chip is informed to prepare to receive the data by adopting a state interactive interface through an SYS/BIOS system running in the DSP chip; after the handshake with the ARM chip is successful, the DSP chip transmits all the acquired data to the ARM through a syslink component of SharedRegion; the state interaction interface between the DSP and the ARM can be internal SysLink components such as SysLink _ Notify, Heap × MP, ListMP and the like, so that the interaction work of the running states of the two chips is completed, and the data transmission efficiency is improved.
In one or more embodiments of the present invention, after receiving all data, the ARM chip drives the solid state disk interface through the internally running linux3.3 kernel system, and stores all data in the solid state disk 131 in the large-capacity data storage module 13.
In one or more embodiments of the invention, the FPGA chip and the ARM chip are completed through a state interaction interface; the state interactive interface can comprise 3 GPIO ports which are used for informing the FPGA by the ARM chip and transmitting all parts or a certain part of all collected data.
In one or more embodiments of the present invention, the ARM chip may further be connected to a data downloading and debugging module 16, which includes a computer communication chip, a solid state disk-to-USB chip; the computer communication chip is electrically connected to the main controller module, and the solid state disk-USB chip is connected to the large-capacity data storage module and the computer;
furthermore, the computer communication chip is responsible for converting the RS-232 serial port data into USB2.0 interface data and communicating with the computer through a USB interface; the solid state disk USB chip is responsible for converting the data of the solid state disk into USB3.0 interface data and downloading the data to a computer through a USB3.0 high-speed data interface; the download speed reaches 280 MB/s; the time for downloading all data of the 512GB hard disk is less than 30 minutes; this feature greatly facilitates the user to download large capacity data, avoiding waiting for a long time.
In one or more embodiments of the present invention, based on the main controller module 11 described in the third embodiment, the oil and gas pipeline internal detector data receiving and storing apparatus 1 provided in the embodiment of the present invention may further include a power management system. The input voltage of the power management system can be 7.9V and can be generated by connecting a plurality of industrial explosion-proof batteries in parallel; the power management system can generate 6 voltages, which respectively comprise: 1.0V, 1.2V, 1.3V, 1.8V, 3.3V and 5V, together with a system voltage of 7.9V, power the entire device 1.
In one or more embodiments of the present invention, as shown in fig. 4, the data receiving and storing device 1 provided in the embodiments of the present invention uses the main controller module 11 as a core, and completes data acquisition, transmission, and storage of each module by performing task division of three core chips, namely, the FPGA, the DSP, and the ARM, and facilitates a user to perform data debugging and downloading work by using the data downloading and debugging module 16. As can be seen from the description of the fourth embodiment, in the three core chips, the FPGA chip is mainly responsible for data acquisition of each module, and the data acquisition includes: one is responsible for communication with the data receiving module 12; secondly, the system is responsible for selecting a trigger signal of the mileage wheel and performing a frequency division algorithm to generate a mileage wheel signal of 2 mm; thirdly, the weight module is responsible for communicating with the weight module 15; fourthly, the clock generator is responsible for generating an operation clock signal; fifthly, the four signals are sorted and sequenced and transmitted to the DSP chip through the upp communication interface, and the rate of the upp communication interface can reach over 50 MB/s. The DSP chip is an internal chip of the main controller module 11 and is connected to the FPGA chip and the ARM chip; the system is mainly responsible for an intermediate buffering task, receives data from the FPGA through an upp communication interface, and transmits the data to the ARM chip through a syslink component of SharedRegion; SharedRegion communication component rates may be up to 50MB/s or more. The ARM chip is an internal chip of the main controller module and is connected to the DSP chip and the solid state disk in the data storage module; the ARM chip is mainly responsible for system control, receives a debugging command of a computer, and simultaneously stores data obtained through transmission of the Sharedregion component to the solid state disk 131 in real time, and the storage rate reaches over 160 Mbps. Therefore, the three core chips are clear in labor division and carry out state interaction with each other, the transmission and storage efficiency of high-capacity, high-speed and multi-module data is greatly guaranteed, and the stability and reliability of the whole system are remarkably improved.
EXAMPLE five
The difference between this embodiment and the first to fourth embodiments is that, on the basis of the first to fourth embodiments, an algorithm for selecting and dividing the odometer wheel trigger signal by the odometer module 14 is further defined.
In one or more embodiments of the present invention, the mileage module 14 may include a plurality of mileage wheel interfaces, wherein each mileage wheel interface is configured to receive a trigger signal of a mileage wheel, transmit the trigger signal to the main controller module 11, and generate mileage wheel signals with a distance of 2mm through a selection and frequency division algorithm of the main controller module 11; in the embodiment, three odometer wheel trigger signals are taken as an example to further describe the odometer wheel selection and frequency division algorithm in detail, as shown in fig. 5.
The selecting of the trigger signal by the main controller module 11 may include: and selecting the mileage measured by the mileage wheel which reaches the triggering edge firstly in a preset time period from the falling edge triggering signals of the mileage wheels as the triggering mileage.
In one or more embodiments of the invention, a 2mm apart odometer wheel signal means that every time the inner detector moves 2mm forward along the pipeline, a falling edge pulse will be triggered; the falling edge pulse is used as a working instruction of the whole inner detector robot to trigger the data line concentration device, all the sensor probes, the heavy hammer module 15, the data receiving module 12 and the data storage module 13 to carry out data acquisition, transmission and storage.
In one or more embodiments of the present invention, the selecting refers to selecting, according to the falling edge trigger time of the three mileage wheels, the trigger edge of the mileage wheel that reaches the first trigger edge in a certain time period among the three mileage wheels as the mileage trigger signal; so as to avoid time delay caused by slipping of part of the mileage wheels.
The frequency division of the trigger signal by the main controller module 11 may include: and performing four-frequency-division operation on the obtained trigger mileage.
In one or more embodiments of the present invention, the frequency division refers to performing a four-frequency division operation on the mileage after selection; because the triggering frequency of the mechanical system is limited by the rotation of the mechanical gear and cannot reach the degree of infinitesimal and infinitesimal, the triggering is generally carried out by adopting the mileage interval with the interval of 8 mm; however, in order to enable the internal detector to acquire sufficient data along the operation axial direction during the operation of the pipeline, the frequency division and encryption operation of mileage trigger generated by mechanical rotation is generally required; as shown in fig. 4, the trigger frequency of the split mileage is 4 times the selected mileage, i.e., the separation between the split mileage triggers is reduced to 1/4, thereby producing 2mm equally spaced split mileage.
In one or more embodiments of the invention, the mileage division is performed according to the time length T of the mileage selected in the N-1 th trigger cycle, and the time length T/4 of the mileage divided in the Nth trigger cycle is obtained by dividing the time length T by 4; because the mechanical system of the internal detector does not have violent speed change in the operation process, the frequency division method provided by the embodiment of the invention can carry out equidistant 4-frequency division operation on the selected mileage in real time, and the error precision of the frequency division method is less than 10-6The requirement of the actual engineering operation on the mileage is completely met; the mileage selection and frequency division method provided by the embodiment of the invention meets the requirement of the internal detector on the sampling density, improves the data sampling rate, and further improves the quantization resolution of the internal detector on various types of defects.
The embodiment of the invention has the advantages that: the data receiving and storing device of the detector in the oil and gas pipeline comprises a main controller module with a plurality of core chips, and can provide rich, high-speed and flexible data communication interfaces; the main controller module is respectively connected to the data receiving module, the data storage module, the data downloading and debugging module, the mileage module and the heavy hammer module, and can realize the high-speed and stable transmission and storage functions of various sensor data; the embodiment of the invention adopts the solid state disk, the maximum storage capacity of a single hard disk reaches 512GB, and the data storage capacity of the internal detector is greatly improved; a USB3.0 high-speed data transmission interface is adopted, the data downloading speed reaches more than 280MB/S, and the time for downloading all data of the hard disk is less than 30 minutes; the device provided by the embodiment of the invention has the characteristics of low power consumption, small volume and the like, supports the highest moving speed of the internal detector up to 30m/s, and can provide data control, high-speed data transmission, storage, downloading and other functions of an electronic system for various types of detectors in oil and gas pipelines, such as deformation internal detectors, corrosion leakage internal detectors, crack internal detectors and the like. The scheme of the embodiment of the invention solves the problems of large volume, high power consumption, low transmission rate, limited storage capacity, low reliability and compatibility and the like in the prior art.
Although the embodiments of the present invention have been described above, the descriptions are only used for understanding the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the embodiments of the invention as defined by the appended claims.

Claims (8)

1. An in-hydrocarbon pipeline detector data receiving and storage device comprising: the system comprises a main controller module, a data receiving module, a data storage module, a mileage module and a heavy hammer module;
the data receiving module is respectively connected with the main controller module and a peripheral data line concentrator, and is configured to receive high-speed serial data transmitted by a sensor probe of the internal detector through the data line concentrator and transmit the high-speed serial data to the main controller module;
the mileage module is connected with the main controller module and peripheral mileage wheels, is configured to receive trigger signals of a plurality of mileage wheels, and transmits the trigger signals to the main controller module;
the weight module is connected with the main controller module and is configured to record the circumferential angle position of the inner detector in real time and transmit the circumferential angle position to the main controller module;
the main controller module comprises a plurality of core chips and is configured to process the trigger signal to obtain a mileage wheel signal, and the high-speed serial data and the circumferential angle position data are stored in the data storage module through the cooperation of the plurality of core chips under the pulse trigger of the mileage wheel signal;
wherein, the main controller module processes the trigger signal to obtain a mileage wheel signal includes:
selecting and frequency dividing the trigger signal to obtain the mileage wheel signal;
the plurality of core chips include: the system comprises a field programmable gate array FPGA chip, a digital signal processing DSP chip and an advanced reduced instruction set computer ARM chip;
the storing the high-speed serial data and the circumferential angular position data into the data storage module through the matching of the plurality of core chips comprises:
the FPGA chip is configured to communicate with the data receiving module to obtain the high-speed serial data and communicate with the heavy hammer module to obtain the circumferential angle position, and is also configured to communicate with the mileage module to obtain the trigger signal, select and frequency-divide the trigger signal to obtain the mileage wheel signal, and transmit the high-speed serial data, the circumferential angle position and the mileage wheel signal to the DSP chip through a universal mobile phone processor upp communication interface;
the DSP chip is configured to receive the high-speed serial data, the circumferential angle position and the mileage wheel signal transmitted by the FPGA chip through the upp communication interface, and transmit the high-speed serial data, the circumferential angle position and the mileage wheel signal to the ARM chip through a syslink component of SharedRegion;
the ARM chip is configured to drive an interface of a solid state disk of the data storage module, and the high-speed serial data and the circumferential angle position data are stored in the solid state disk under the pulse triggering of the mileage wheel signal;
the selecting and frequency dividing processing of the trigger signal to obtain the mileage wheel signal comprises the following steps:
dividing the time length of one period of the selected trigger signal by 4 as the time length of one period of the odometer wheel signal, so that the triggering frequency of the odometer wheel signal is 4 times that of the selected trigger signal, and the interval between the triggering of the odometer wheel signal is reduced to 1/4.
2. The in-hydrocarbon pipeline detector data receiving and storing device of claim 1, wherein the odometry module comprises a plurality of odometry wheel interfaces, each odometry wheel interface configured to receive a trigger signal for one odometry wheel.
3. The in oil and gas pipeline detector data receiving and storing device of claim 1,
the main controller module processes the trigger signal to obtain a mileage wheel signal, and the process comprises the following steps:
selecting a triggering edge of the mileage wheel which reaches a preset triggering mileage in a preset time period from the triggering signals of the mileage wheels as a mileage triggering signal;
and carrying out frequency division and encryption on the mileage trigger signal to obtain a mileage wheel signal.
4. The in-hydrocarbon pipeline detector data receiving and storing apparatus of claim 1, further comprising: a data downloading and debugging module;
the data downloading and debugging module is electrically connected with the main controller module, the data storage module and a computer of an external device respectively, and is configured to feed back the state of the main controller module to the computer and download the data stored in the data storage module to the computer.
5. The in-hydrocarbon pipeline detector data receiving and storing device of claim 4, wherein the data storage module further comprises: a gating switch;
the gating switch is configured to control the solid state disk to be connected to the main controller module or to be connected to the data downloading and debugging module;
when the solid state disk is connected to the main controller module, the solid state disk is configured to store data transmitted by the main controller module;
when the solid state disk is connected to the data downloading and debugging module, the data downloading and debugging module is configured to download the data stored in the solid state disk to the computer.
6. The in-hydrocarbon pipeline detector data receiving and storing device of claim 4, wherein the data download and commissioning module comprises: converting a computer communication chip and a solid state disk into a Universal Serial Bus (USB) chip;
the computer communication chip is configured to convert the RS-232 serial port data into USB2.0 interface data and communicate with a computer through a USB2.0 interface;
the solid state disk USB chip is configured to convert data in the solid state disk into USB3.0 interface data, and download the USB3.0 interface data to a computer through a USB3.0 interface.
7. The in oil and gas pipeline detector data receiving and storing device of claim 1,
the rate of the upp communication interface is greater than or equal to 50 MB/s;
the SharedRegion component rate is greater than or equal to 50 MB/s;
the ARM chip adopts a Linux3.3 kernel system;
the storage rate of the ARM chip is more than or equal to 160 Mbps;
the data receiving module adopts an RS-485 differential duplex communication chip;
the size of the solid state disk is 70mm multiplied by 32mm multiplied by 6mm, and the capacity is 512 GB.
8. The in-hydrocarbon pipeline detector data receiving and storing device of claim 1, wherein the weight module comprises: an angle sensor, a weight and a recording unit; the angle sensor is fixed in the inner detector and rotates along with the rotation of the inner detector, and the rotating angle is the same as the rotating angle of the inner detector; the heavy hammer points to the ground at any time;
the recording unit is configured to record the circumferential angular position of the inner detector in real time through the angle sensor and the swinging of the weight.
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