Integrated circuit system of detector in oil and gas pipeline

Abstract

The utility model discloses a detector integrated circuit system in an oil and gas pipeline, and relates to the field of oil and gas pipeline detection, the system comprises a power supply module, a system control module and a data acquisition module; the power supply module comprises a battery pack, a first power supply sub-module and a second power supply sub-module which are connected in sequence; the system control module comprises a sinusoidal current type signal generation unit; the data acquisition module comprises a battery voltage and electric quantity acquisition unit, a data acquisition unit, a data storage unit, a high-speed communication unit, a data export unit, a gyroscope attitude capture unit and an odometer wheel; the system control module and the data acquisition module are in electric signal connection through a signal conditioning circuit; the signal conditioning circuit comprises a filter circuit and an amplifying circuit, the filter circuit is used for removing noise in the signal, and the amplifying circuit is used for enhancing the amplitude of the signal. The oil and gas pipeline internal detector integrated circuit system provided by the utility model can realize high-reliability oil and gas pipeline internal detection.

Description

Technical Field

[0001] The present application relates to the field of oil and gas pipeline detection, and in particular to an integrated circuit system for a detector in an oil and gas pipeline. Background Art

[0002] Oil and gas pipelines, as important tools for energy transportation, are widely used in industries such as petroleum, chemical, energy and environmental protection. They are important carriers for closely connecting oil and gas resources with the market. Pipe deformation, corrosion, and welding defects are major hidden dangers in pipeline transportation. If not discovered in time, they can easily lead to safety accidents. Therefore, a highly reliable oil and gas pipeline in-line detector is needed to conduct regular inspections and maintenance of the pipelines, thereby effectively preventing accidents and ensuring the safe and stable operation of the pipelines. Utility Model Content

[0003] The purpose of this application is to provide an integrated circuit system for an oil and gas pipeline detector with high reliability.

[0004] To achieve the above objectives, this application provides the following solutions:

[0005] In a first aspect, the present application provides an integrated circuit system for an oil and gas pipeline internal detector, comprising: a power supply module, a system control module, and a data acquisition module;

[0006] The power module includes a battery pack, a first power submodule and a second power submodule connected in sequence;

[0007] The system control module includes a sinusoidal current signal generating unit;

[0008] The data acquisition module includes a battery voltage and power acquisition unit, a data acquisition unit, a data storage unit, a high-speed communication unit, a data export unit, a gyroscope attitude capture unit and an odometer;

[0009] The system control module and the data acquisition module are connected to each other through a signal conditioning circuit; the signal conditioning circuit includes a filtering circuit and an amplifying circuit, the filtering circuit is used to remove noise in the signal, and the amplifying circuit is used to enhance the amplitude of the signal.

[0010] Optionally, the battery pack is a 12V battery pack.

[0011] Optionally, the first power submodule uses a voltage regulator of model LM2596-5V, which is used to convert the input voltage of 12V to 5V;

[0012] The second power supply submodule uses a voltage regulator model AMS1117-3.3V to convert the input 5V voltage to 3.3V.

[0013] Optionally, the main chip selected in the sinusoidal current signal generating unit is STM32H743VIT6.

[0014] Optionally, the main chip is a high-performance ARM Cortex-M7 microcontroller unit (MCU) with DSP and DP-FPU, and the main chip includes 2MB of flash memory, 1MB of access memory, a 480MHz central processing unit, an ART accelerator, a first-level cache, an external memory interface and peripheral functions.

[0015] Optionally, the gyroscope is of model mpu6050.

[0016] Optionally, a magnetic encoding chip is used in the odometer to record the travel distance of the odometer.

[0017] Optionally, the mileage wheel has a diameter of 10 cm, a circumference of approximately 30 cm, and a rotation speed of 1 m / s.

[0018] Optionally, the data storage unit is used to store time, weight, odometer wheel data and sensor data.

[0019] Optionally, the data storage unit uses a 32-bit integer data format to record and store time.

[0020] According to the specific embodiments provided in this application, this application discloses the following technical effects:

[0021] The present application provides an integrated circuit system for an oil and gas pipeline internal detector, comprising a power module, a system control module, and a data acquisition module. The power module comprises a battery pack, a first power submodule, and a second power submodule connected in series; the system control module has a built-in sinusoidal current signal generating unit; and the data acquisition module integrates a battery voltage and power acquisition unit, a data acquisition unit, a data storage unit, a high-speed communication unit, a data export unit, a gyroscope attitude capture unit, and an odometer. In the system architecture, electrical signal interaction is achieved between the system control module and the data acquisition module via a signal conditioning circuit. This signal conditioning circuit is subdivided into two major parts: a filtering circuit and an amplifying circuit. The main function of the filtering circuit is to filter out clutter and noise in the signal; the amplifying circuit is responsible for enhancing the signal amplitude for subsequent processing and analysis. In summary, the integrated circuit system for an oil and gas pipeline internal detector proposed in the present application, through sophisticated module division and an efficient signal processing mechanism, achieves precise detection and data recording of the internal environment of the oil and gas pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 An integrated circuit system for an oil and gas pipeline detector provided in one embodiment of the present application;

[0024] Figure 2 A circuit diagram of a first power submodule provided in an embodiment of the present application;

[0025] Figure 3 A circuit diagram of a second power submodule provided in one embodiment of the present application;

[0026] Figure 4 A circuit diagram of a battery voltage and power acquisition unit provided in one embodiment of the present application;

[0027] Figure 5 A schematic diagram of a debugging interface provided in an embodiment of the present application;

[0028] Figure 6 A schematic diagram of a circuit diagram of a sinusoidal current signal generating unit according to an embodiment of the present application;

[0029] Figure 7 An amplifier circuit and a filter circuit diagram provided in one embodiment of the present application;

[0030] Figure 8 A schematic diagram of a current-mode waveform generator circuit according to an embodiment of the present application;

[0031] Figure 9 A schematic diagram of a bandpass filter circuit provided in one embodiment of the present application;

[0032] Figure 10 A schematic diagram of an acquisition circuit provided in an embodiment of the present application;

[0033] Figure 11 A schematic diagram of a data acquisition unit circuit according to an embodiment of the present application;

[0034] Figure 12 A schematic diagram of a high-speed communication unit circuit according to an embodiment of the present application;

[0035] Figure 13 A schematic diagram of a data storage unit circuit according to an embodiment of the present application;

[0036] Figure 14 A circuit diagram of an SD card data storage unit provided in one embodiment of the present application;

[0037] Figure 15 A circuit diagram of a USB data export unit provided in one embodiment of the present application;

[0038] Figure 16 A circuit diagram of a gyroscope attitude capture unit provided in one embodiment of the present application;

[0039] Figure 17 A circuit diagram of a mileage wheel control provided in one embodiment of the present application;

[0040] Figure 18 A schematic diagram of the rotation of the mileage wheel provided in one embodiment of the present application. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0042] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0043] This embodiment provides an integrated circuit system for an oil and gas pipeline internal detector, a power supply module, a system control module, and a data acquisition module;

[0044] The power module includes a battery pack, a first power submodule and a second power submodule connected in sequence;

[0045] The system control module includes a sinusoidal current signal generating unit;

[0046] The data acquisition module includes a battery voltage and power acquisition unit, a data acquisition unit, a data storage unit, a high-speed communication unit, a data export unit, a gyroscope attitude capture unit and an odometer;

[0047] The system control module and the data acquisition module are connected to each other through a signal conditioning circuit; the signal conditioning circuit includes a filtering circuit and an amplifying circuit, the filtering circuit is used to remove noise in the signal, and the amplifying circuit is used to enhance the amplitude of the signal.

[0048] Specific examples Figure 1 As shown in the integrated circuit system of the oil and gas pipeline detector, the battery pack is a 12V battery pack. Figure 2As shown, the first power submodule uses a voltage regulator model LM2596-5V to convert the input voltage of 12V to 5V; Figure 3 As shown, the second power submodule uses a voltage regulator model AMS1117-3.3V to convert the input 5V voltage to 3.3V. Data is exported through the USB2.0 chip to achieve convenient data transmission. The entire system has a compact structure and complete functions. It can meet the high-precision control and data acquisition requirements of pipeline robots in complex environments and provide strong technical support for pipeline maintenance and fault detection. The battery voltage and power acquisition unit is as follows: Figure 4 As shown, the debug interface is as Figure 5 shown.

[0049] The main chip used in the sinusoidal current signal generation unit is STM32H743VIT6. Specifically, the defect detection probe needs to input a 1kHz sinusoidal power signal. In order to ensure the smoothness of the sinusoidal wave signal, a single sinusoidal wave consists of 100 points, and the frequency of signal point update reaches 100K. The sinusoidal signal generation circuit module is as follows: Figure 6 The chosen main chip is the STM32H743VIT6, a high-performance ARM Cortex-M7 MCU with DSP and DP-FPU. It features 2MB Flash, 1MB RAM, a 480MHz CPU, an Artificial Intelligence (ART) accelerator, L1 cache, external memory interfaces, and a wealth of peripheral functions. The Cortex-M7 core features a floating-point unit (FPU) that supports Arm double-precision (compliant with the IEEE 754 standard) and single-precision data processing instructions and data types. The STM32H7 MCU also supports a full suite of DSP instructions and a memory protection unit (MPU) to enhance application security.

[0050] Among them, the signal conditioning circuit in the detector integrated circuit system in the oil and gas pipeline is as follows Figure 7 As shown in the figure, the detection signal directly output by the TMR magnetic sensitive element is extremely weak and often mixed with noise signals, which is not conducive to detection. Therefore, an amplifier circuit and a filter circuit are designed to amplify and filter the detection signal to improve the defect signal recognition.

[0051] Among them, the current waveform generator is as follows: Figure 8 As shown, the current waveform generator is used to generate a current waveform of a specific shape, which can be used to test the response of electronic equipment to different current waveforms, or to simulate current changes under actual working conditions.

[0052] Among them, the bandpass filter realizes signal conditioning such as Figure 9 As shown:

[0053] The design of the bandpass filter uses a specific frequency range to ensure that only signals with the target frequency can pass through, thereby further improving the signal-to-noise ratio. Figure 9 The circuit structure of a bandpass filter is clearly shown in Figure 1, which includes components such as inductors, capacitors, and resistors, which work together to achieve the desired frequency selectivity. A carefully designed filter can effectively filter out unwanted low- and high-frequency noise while allowing signals within a specific frequency range to pass through, which is crucial for improving detector sensitivity and accuracy.

[0054] Among them, Figure 10 The detailed structure and workflow of the acquisition circuitry can be seen in Figure 1. First, the sine wave excitation unit is responsible for generating a precise sine wave signal. This unit transmits the generated sine wave signal through a series of carefully designed coils (coils 1 through 10) and probes 1 through 10. These coils and probes together form a sophisticated signal transmission network, ensuring that the sine wave signal is transmitted to the next processing stage without distortion.

[0055] The sine wave signal is then passed to the signal conditioning unit. In this unit, the signal undergoes a series of processing steps, including amplification, filtering, and adjustment, to ensure signal quality and stability. This conditioned signal is more suitable for subsequent processing and analysis.

[0056] The processed signal is then fed into a high-speed communication interface. This interface is the key node for data exchange between the entire acquisition circuit and external devices. It transmits data at high speeds, ensuring real-time and accurate signals. Through this interface, the collected data can be quickly transferred to a computer or other data processing device for further analysis and processing.

[0057] Specifically, the data acquisition unit is as follows: Figure 11 As shown, the data acquisition unit's STM32H743VIT6 microcontroller can quickly acquire and store analog signals based on trigger signals and transmit them via a parallel bus. Specifically, when the microcontroller receives a trigger signal, it latches the analog value collected in the most recent frame and transmits it to the storage unit via the parallel bus, while simultaneously sending a save trigger signal to the storage unit.

[0058] Specifically, the high-speed communication interface (high-speed communication unit) is as follows Figure 12 As shown, it uses the UM3488EESA high-speed communication interface chip, which has the characteristics of high transmission rate and low power consumption. It supports multiple communication protocols, including UART, SPI, and I2C, and can meet different data transmission requirements.

[0059] Among them, the data storage unit is as follows Figure 13 As shown, the data is input to the CPU through the parallel bus and stored in the SD card storage unit through SDIO, and is transmitted to the network port data export interface through SPI.

[0060] Among them, the SD card storage unit is as follows Figure 14 As shown in the figure, an SD-112S SD card storage unit is used. This storage unit has high-speed data writing and reading capabilities, ensuring that the data collected by the data acquisition unit can be stored quickly and accurately. The SD card storage unit is connected to the CPU via the SDIO interface, supports plug-and-play, and is convenient for users to read and back up data. In addition, the storage unit also has good seismic performance and a wide voltage operating range, which adapts to the complex working environment in oil and gas pipelines. Network port data export interface (USB data export unit) is as follows Figure 15 shown.

[0061] Among them, the gyroscope attitude capture unit is as follows Figure 16 As shown, the MPU-6050_C24112 gyroscope attitude capture unit is used. This unit can monitor the pipeline's inclination angle and vibration in real time within an oil and gas pipeline detector, providing important data support for pipeline health assessment. Furthermore, the detector can be equipped with temperature and pressure sensors to monitor temperature and pressure changes within the pipeline.

[0062] like Figure 17 As shown, the odometer design utilizes the AS5600-ASOM device, a high-precision rotary encoder widely used in various measurement systems to precisely measure the angle or position of rotating objects. The AS5600-ASOM encoder was selected for its outstanding performance and reliability. It provides high-resolution angle measurement, ensuring the accuracy of the odometer data during operation. Furthermore, its low power consumption and miniaturization make it ideal for integration into compact, space-constrained environments such as vehicle odometers or robotic navigation systems. The use of this advanced encoder ensures that the odometer's measurement results are both accurate and stable, providing reliable data support for the overall system's performance.

[0063] like Figure 18 The figure shows a schematic diagram of the rotation of the mileage wheel, which clearly shows the state of the mileage wheel at different original angles (RAWANGL).

[0064] In this embodiment, the core component uses an STM32H7 microcontroller. The excitation process of the sinusoidal signal waveform is achieved through the coordinated operation of the DAC module and the operational amplifier to ensure the accurate and correct output of the excitation signal. The gyroscope uses the mpu6050, which can provide highly stable attitude data. The odometer is equipped with a magnetic encoding chip to accurately record the travel distance. In terms of data storage, the SDIO function of the STM32H7 is fully utilized to achieve efficient and secure data storage. Data export is completed through the USB2.0 chip, ensuring convenient data transmission. The entire system has a compact structure design and comprehensive functions, which can fully meet the pipeline robot's needs for high-precision control and data acquisition in complex environments, and provides strong technical support for pipeline maintenance and fault detection.

[0065] For the defect detection probe, the required input waveform is a 1kHz sinusoidal power supply signal. To ensure the smoothness and flatness of the sinusoidal wave signal, each sinusoidal wave is set to consist of 100 points, and the signal point update frequency is as high as 100K. The specific design of the sinusoidal signal generation circuit module is as follows: Figure 2 As shown in the figure, the main chip used is the STM32H743VIT6, a high-performance ARM Cortex-M7 MCU with integrated DSP and DP-FPU. It features 2MB Flash, 1MB RAM, a 480MHz CPU, ART accelerator, L1 cache, external memory interfaces, and a rich set of peripheral functions. The Cortex-M7 core boasts a high-precision floating-point unit (FPU) and supports Arm double-precision (compliant with the IEEE 754 standard) and single-precision data processing instructions and data types. The STM32H7 MCU also fully supports DSP instructions and a memory protection unit (MPU), further enhancing application security.

[0066] The acquisition circuit module also uses an STM32H743VIT6 microcontroller, which can quickly capture and store analog signals based on trigger signals and transmit them via a parallel bus. Specifically, when the microcontroller receives a trigger signal, it immediately locks onto the analog value collected in the most recent frame and transmits it to the storage unit via the parallel bus. Simultaneously, it sends a save trigger signal to the storage unit, ensuring real-time acquisition and storage of detection information.

[0067] In terms of data volume calculation, the data that needs to be stored include: time, weight, odometer (quantity: 3), and sensor (N channels).

[0068] Time: Using 32-bit integer data type, the data volume can reach: 65536*65536=40*10 8 .

[0069] Weight: Number of turns (including ±), single turn discrimination accuracy, therefore contains two 16-bit integer data. The maximum number of turns recorded can reach ±32768, the data range is 0 to 4095, and the minimum discrimination is 360° / 4096=0.088°.

[0070] Odometer wheel: mileage = 1m / s*3600*24 = 86km. The diameter of the odometer wheel is 10cm and the circumference is about 30cm. The number of revolutions of the odometer wheel is: 86km / 0.3m≈28.6w. The odometer wheel signal storage precision is 12 digits, using a 32-bit integer data type. The total data volume is: [28.6w+(N / 4096)]*4096≈11.7*10 8 .

[0071] Sensor: The sensor acquires the pipe diameter change and two mileage channels, converting data through an adapter circuit. The data is then transferred to the data acquisition and storage system in the core through an adapter box for offline storage. The data is stored in 3 bytes, each byte containing 8 bits.

[0072] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] This document uses specific examples to illustrate the principles and implementation methods of this application. The above examples are only intended to help understand the core concept of this application. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of this application. In summary, the contents of this specification should not be construed as limiting this application.

Claims

1. An integrated circuit system for a detector in an oil and gas pipeline, characterized in that: The oil and gas pipeline internal detector integrated circuit system comprises: a power supply module, a system control module and a data acquisition module; The power module includes a battery pack, a first power submodule and a second power submodule connected in sequence; The system control module includes a sinusoidal current signal generating unit; The data acquisition module includes a battery voltage and power acquisition unit, a data acquisition unit, a data storage unit, a high-speed communication unit, a data export unit, a gyroscope attitude capture unit and an odometer; The system control module and the data acquisition module are connected to each other through a signal conditioning circuit; the signal conditioning circuit includes a filtering circuit and an amplifying circuit, the filtering circuit is used to remove noise in the signal, and the amplifying circuit is used to enhance the amplitude of the signal.

2. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The battery pack is a 12V battery pack.

3. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The first power supply submodule uses a voltage regulator model LM2596-5V to convert the input voltage of 12V to 5V; The second power supply submodule uses a voltage regulator model AMS1117-3.3V to convert the input 5V voltage to 3.3V.

4. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The main chip selected in the sinusoidal current signal generating unit is STM32H743VIT6.

5. The integrated circuit system for detecting an oil and gas pipeline according to claim 4, characterized in that: The main chip is a high-performance ARM Cortex-M7 microcontroller unit (MCU) with DSP and DP-FPU. The main chip includes 2MB of flash memory, 1MB of access memory, a 480MHz central processing unit, an ART accelerator, a first-level cache, an external memory interface and peripheral functions.

6. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The model of the gyroscope selected is mpu6050.

7. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The odometer wheel adopts a magnetic encoding chip to record the travel distance of the odometer wheel.

8. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The mileage wheel has a diameter of 10 cm, a circumference of approximately 30 cm, and a rotational speed of 1 m / s.

9. The integrated circuit system for detecting an oil and gas pipeline according to claim 1, characterized in that: The data storage unit is used to store time, weight, odometer wheel data and sensor data.

10. The integrated circuit system for detecting oil and gas pipelines according to claim 8, characterized in that: The data storage unit records and stores time in a 32-bit integer data format.

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