An ultra-deep pipeline detection system with calculation and analysis functions

Abstract

An ultra-deep pipeline detection system with calculation and analysis functions, the signal transmitter includes a power module, a human-computer interaction module, a CPU core module, and a signal generation module; the signal receiver is a downward pressure ultra-deep pipeline detector; the hardware circuit includes a transformer circuit, a digital power amplifier board circuit and a detection signal generation circuit of the signal transmitter, and a detection signal receiving circuit, a detection signal transmission circuit and a detection signal processing circuit of the signal receiver; the processing software on the PC side is an underground pipeline alternating magnetic field digital signal acquisition and analysis software, which has a calculation and analysis function of the absolute value of the signal. The present invention is used for ultra-deep pipelines. The detection device detects the direction and burial depth of the target pipeline through the principle of electromagnetic induction, which can effectively improve the absolute accuracy of the measurement, and automatically alarms when it is close to the pipeline, which is more secure; it provides the function of real-time data calculation and analysis, so as to meet the detection operation when the underground target pipeline is complicated.

Description

Technical Field

[0001] The invention relates to the field of pipeline detection, in particular to an ultra-deep pipeline detection system with calculation and analysis functions. Background Art

[0002] With the development of urban construction and the improvement of construction technology, the construction of underground pipelines has also developed rapidly. The buried depth of pipelines is getting deeper and deeper. However, the effective detection depth of various pipeline detection instruments currently used is mostly within 5 meters. The greater the buried depth of the pipeline, the greater the detection error value, which brings severe challenges to construction design and pipeline maintenance.

[0003] Existing signal transmitters, such as the Radi RD8100 pipeline detector and the Weimai V2 pipeline detector, have very low output power when encountering high ground resistance or other environmental factors, which directly causes the receiver to receive a very low signal, or even no signal at a long distance. The signal transmitter is large in size and heavy in weight, making it inconvenient to carry. All types of interface cables of the signal transmitter are non-standard customized interfaces. Once damaged, it is time-consuming and laborious to return to the factory for repair.

[0004] Most existing signal receivers are horizontal detection means and cannot accurately measure the depth of the target pipeline. Summary of the invention

[0005] In order to solve the above problems existing in the prior art, the present invention provides an ultra-deep pipeline detection system with calculation and analysis functions.

[0006] The technical solution adopted by the present invention to solve its technical problems is: an ultra-deep pipeline detection system with calculation and analysis functions, including a signal transmitter, a signal receiver, a hardware circuit and a processing software on the PC end; the signal transmitter is used to provide different frequency signals and outputs, and the signal receiver is used to receive different frequency signals and send the frequency signals to the hardware circuit; the hardware circuit is used to calculate and analyze the frequency signals; the processing software on the PC end is used for real-time operation and control; wherein, the signal transmitter includes a power module, a human-computer interaction module, a CPU core module, a signal generation module, an excitation output module and a pipeline signal loader; the human-computer interaction module is bidirectionally connected to the CPU core module, the CPU core module is connected to the signal generation module and the excitation output module, the signal generation module is connected to the excitation output module, and the excitation output module is connected to the pipeline signal loader; the signal receiver includes an ultra-deep pipeline probe 1 and a collector 10; wherein, the ultra-deep pipeline probe 1 includes an induction coil 2, a coil welding point 3, a filtering circuit 4, a nine-axis attitude sensor circuit 5, a communication circuit 6, a connecting line 7 and a female connector 8; wherein, the ultra-deep pipeline The front end of the line probe 1 is provided with an induction coil 2, the left end of the induction coil 2 is connected to the filter circuit 4 through the coil welding point 3, the filter circuit 4 is electrically connected to the nine-axis attitude sensor circuit 5, the nine-axis attitude sensor circuit 5 is electrically connected to the communication circuit 6, the communication circuit 6 is electrically connected to the connecting line 7, and the connecting line 7 is electrically connected to the female end of the connector 8; the collector 10 includes a liquid crystal display screen 11, a switch 12, a button panel 14 and a male end of the connector 9; the upper part of the collector 10 is provided with a liquid crystal display screen 11, and the lower left part of the liquid crystal display screen 11 is provided with a switch 12. A button panel 14 is arranged at the lower right; a connector male end 9 is arranged at the lower part of the collector 10; wherein, the connector male end 9 and the connector female end 8 are connected to each other in cooperation; the hardware circuit has the function of calculating and analyzing the absolute value of the signal, including the transformer circuit, the digital power amplifier board circuit and the detection signal generating circuit of the signal transmitter and the detection signal receiving circuit, the detection signal transmission circuit and the detection signal processing circuit of the signal receiver; the processing software on the PC side is the underground pipeline alternating magnetic field digital signal acquisition and analysis software, including an operation interface, a data analysis interface and a probe connection interface.

[0007] As a further specific optimization of the technical solution of the present invention: the power module provides 3.3V, 5V and 12V direct current to provide the required working power for the CPU core module, the human-computer interaction module, the signal generation module, the excitation output module and the pipeline signal loader; the CPU core module includes an ARM processor, a memory circuit and an auxiliary circuit; wherein the memory circuit is bidirectionally connected to the ARM processor, and the auxiliary circuit is unidirectionally connected to the ARM processor; the ARM processor serves as the main control chip of the entire device, the memory circuit provides the ARM processor with the necessary data access function, and the auxiliary circuit is the basic working peripheral circuit of the ARM processor; the model of the ARM processor is the STM32F103C8T6 processor; the human-computer interaction module includes a key circuit and a TFT liquid crystal display, wherein the key circuit and the TFT liquid crystal display are both unidirectionally connected to the ARM processor; the key circuit conveys the operator's operating instructions to the ARM processor, and the TFT liquid crystal display displays the operating results processed by the ARM processor and the device's own status in real time; the signal generation module is a complete circuit, including a unidirectional connection in sequence The signal frequency selection, pulse signal generation and sine signal conversion are connected, wherein the ARM processor is unidirectionally connected to the signal frequency selection, and the sine signal conversion is unidirectionally connected to the excitation output module; the process of the signal generation module is divided into signal frequency selection, pulse signal generation and sine signal conversion, firstly a preset frequency is selected through the key circuit, a pulse signal of the corresponding frequency is generated, and the pulse signal is converted into a sine signal; the preset frequency can be preset to any number of different frequencies within 0-20MHZ; the excitation output module is a complete circuit, including an amplification power selection and a sine signal power amplification connected in sequence in a unidirectional manner, wherein the ARM processor is unidirectionally connected to the amplification power selection, and the sine signal power amplification is unidirectionally connected to the pipeline signal loader; the process of the excitation output module is divided into amplification power selection (signal gain selection) and sine signal power amplification, a preset amplification factor (gain number) is selected through the key circuit, and the power of the sine signal is amplified (both the voltage and the current are improved); the pipeline signal loader is an independent device, including a ring clamp or two alligator clips, which loads the final signal onto the target pipeline.

[0008] As a further specific optimization of the technical solution of the present invention: the signal receiver also includes a power supply 13 and a main controller module 15: the power supply 13 provides a voltage power supply of 12V-5V-3.3V for the ultra-deep pipeline probe 1, the collector 10 and the main controller module 15; the main controller module 15 contains a core controller 16, a storage circuit 17 and an auxiliary circuit 18; the operation result of the key panel 14 is transmitted to the core controller 16, and the core controller controls the liquid crystal display screen 11 to display the operation result; the core controller 16 communicates with the ultra-deep pipeline probe 1 through the male end 9 of the connector to obtain the detection result; the ultra-deep pipeline probe 1 includes a signal amplification and filtering rectification circuit, a main control MCU and an auxiliary circuit A, a code download interface circuit, a 485 communication circuit, a 485 communication interface circuit, and a nine-axis attitude sensor circuit 5; the collector 10 includes a main control MCU and an auxiliary circuit B, a step-down voltage stabilization circuit, a 485 communication circuit, a key circuit, a download interface circuit, a 485 communication interface circuit, a power supply interface circuit, a charging interface circuit, a USB interface circuit, a step-up voltage stabilization circuit, a power indicator light circuit, and a liquid crystal display interface circuit.

[0009] As a further specific optimization of the technical solution of the present invention: the probe 3 has a built-in nine-axis attitude sensor circuit 5, and the nine-axis attitude sensor circuit 5 includes a nine-axis module circuit and its auxiliary circuit, a nine-axis module voltage stabilizing circuit and a nine-axis module interface circuit, which can detect in real time whether the downward pressure direction of the probe is pointing to the center of the earth.

[0010] As a further specific optimization of the technical solution of the present invention: the working method of the signal receiver is: assemble the ultra-deep pipeline probe 1 to the end of the static pressure meter; connect the ultra-deep pipeline probe 1 to the collector 10, and turn on the power; through the ultra-deep pipeline detection technology, first keep the ultra-deep pipeline probe 1 in a vertical state on the ground, and press the ultra-deep pipeline probe 1 vertically toward the center of the earth into the ground by manpower; obtain the posture data and geomagnetic field data of the probe in the nine-axis sensor circuit 5 in the ultra-deep pipeline probe 1 when the probe maintains this state through the collector 10, and record it as the initial value of the posture. During the pressing process displayed on the display screen 11 of the collector 10, the posture data and geomagnetic field data monitored in real time by the nine-axis sensor circuit 5 in the ultra-deep pipeline probe 1 can effectively measure whether the ultrasonic pipeline probe 1 is vertical and the deflection during the pressing process, and can effectively measure the signal strength sent by the target pipeline. The operator adjusts the pressing direction and speed in time according to the situation of pointing to the center of the earth displayed on the display screen 11 until the pressing is vertical to the center of the earth. After the operator has completed a round of data measurement, the depth result of the target pipeline can be obtained instantly from the collector 10 .

[0011] As a further specific optimization of the technical solution of the present invention: the core part of the transformer circuit is the power matching controller; the digital power amplifier board circuit includes a left power amplifier circuit, a right power amplifier circuit and a gain adjustment circuit; the signal generating circuit includes an MCU circuit, an AD9833 module circuit, a power supply circuit, a crystal oscillator circuit, a bypass capacitor circuit, a button circuit, a download port circuit, a BOOT circuit and a display screen circuit.

[0012] As a further specific optimization of the technical solution of the present invention: the data analysis interface includes a loading history database file interface, a generating calculation curve interface and a generating report interface; the information of the collected data is classified and displayed in the data analysis interface, and can be marked with serial number, ID, depth value, absolute signal value, point number, signal frequency and remarks; the information of the collected data can be directly saved in the database file or the data can be output in time as a field prompt result; at the same time, the data will be saved on the receiver and displayed on the corresponding screen as a field reference; the information of the collected data can also be transmitted to the mobile phone or computer through WIFI or Bluetooth or the wireless network of China Mobile Telecom for field report generation, display and data calculation; the database file provides a USB port , convenient to copy to the computer via USB, read and calculate through the corresponding software, and generate a report; the USB port only needs to insert a U disk, and the detected data will be automatically saved to the U disk by time division, without manual setting; each test result saves a copy of the data; multiple results save multiple files; the software only needs to read the files in the folder to get all the data of that detection, and calculate the production report and chart; according to the real-time display of the data, the highest value is marked in real time, and the calculation curve and report are generated after the data is collected; the probe connection interface includes the operation interface for connecting the probe, the grading interface for the signal amplification factor, the operation interface for the initial configuration, the operation interface for the acquisition results, and the operation interface for the automatic acquisition configuration.

[0013] The advantages of the ultra-deep pipeline detection system with calculation and analysis functions of the present invention are as follows:

[0014] The present invention is used for ultra-deep pipelines. The detection device detects the direction and buried depth of the target pipeline through the principle of electromagnetic induction. The operation is simple and cost waste is avoided. It can also effectively improve the absolute accuracy of the measurement and has high efficiency. When the distance to the pipeline is getting closer and closer, an alarm will automatically sound to inform the operator to stop construction, which is safer. The function of real-time data calculation and analysis is provided to meet the detection operation when the underground target pipeline is complicated.

[0015] Advantages of signal transmitter:

[0016] Advantages (1): The signal transmitter of the present invention has high transmission power, small size, light weight and is easy to carry. It is more suitable for field operations in adverse environments, simple to operate, highly efficient, and the transmitter power is increased by 33%. Standardized interface cables can be repaired by purchasing accessories on site if damaged, thus avoiding cost waste. It is compatible with all mainstream commercial machines and provides more different frequency signals and outputs.

[0017] Advantage (2): The present invention can understand the current working status of the equipment in real time through the TFT liquid crystal display, including signal frequency, signal strength (gain), whether the equipment is normal, etc. The signal frequency and signal strength can be manually adjusted by pressing buttons, which is convenient and fast. The frequency of the customized process can be added to the preset frequency to meet the use requirements of conventional equipment and to meet and develop new operating processes. The strong signal strength is much higher than that of mainstream commercial machines, and is very suitable for work places with adverse environmental factors.

[0018] Advantages of signal receiver:

[0019] Advantages (1): The present invention can accurately measure the depth of the target pipeline; measure the depth of pipelines within 30 meters; the damage to the operation site is controllable and temporary; only one operation is required to obtain the required data. No major damage will be caused to the operation site during the operation, and such damage can be quickly restored; only one operation is required to obtain the required data, which is efficient and fast; compared with large equipment such as drilling rigs, this device can be easily carried on a vehicle.

[0020] Advantage (2): The ultra-deep pipeline probe 1 of the present invention is made of nylon material, which takes into account hardness, corrosion resistance, and portability. The ultra-deep pipeline probe 1 adopts a pointed design, which is convenient for use with the ultra-deep pipeline detection technology independently developed by our company, and it is easy to press the ultra-deep pipeline probe 1 into the ground. When used with a collector, accurate data can be obtained immediately to measure the depth of the underground pipeline. The operation panel is used with a display screen, which is friendly and simple for operators. The nine-axis attitude sensor circuit 5 can monitor in real time the changes in the geomagnetic field during the downward pressure of the ultra-deep pipeline probe 1 and the changes in the probe's own movement attitude. Through these data, it can be understood whether the probe is perpendicular to the center of the earth during the downward pressure process and whether it remains vertical.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] Figure 1 It is a structural schematic diagram of the signal transmitter of the present invention;

[0024] Figure 2 A schematic structural diagram of an ultra-deep pipeline probe 1 of the present invention;

[0025] Figure 3 A schematic diagram of the structure of a collector 10 of the present invention;

[0026] Figure 4 It is a schematic diagram of a left power amplifier circuit of a digital power amplifier board circuit of the present invention;

[0027] Figure 5 It is a schematic diagram of a right power amplifier circuit of the digital power amplifier board circuit of the present invention;

[0028] Figure 6 It is a schematic diagram of a gain adjustment circuit of a digital power amplifier board circuit of the present invention;

[0029] Figure 7 This is a schematic diagram of the MCU circuit of the present invention;

[0030] Figure 8 It is a schematic diagram of the power supply circuit of the present invention;

[0031] Fig. 9 This is a schematic diagram of the display screen circuit of the present invention;

[0032] Fig.10 It is a schematic diagram of the crystal oscillator circuit of the present invention;

[0033] Fig.11 This is a schematic diagram of the key circuit of the present invention;

[0034] Fig.12 This is a schematic diagram of the download port circuit of the present invention;

[0035] Fig.13 The BOOT circuit of the present invention

[0036] Fig.14 This is a schematic diagram of the AD9833 module circuit of the present invention;

[0037] Fig.15 Schematic diagram of bypass capacitor circuit of the present invention;

[0038] Fig.16 is a schematic diagram of a transformer circuit of the present invention;

[0039] Fig.17 It is a structural schematic diagram of the module connection of the present invention;

[0040] Fig.18 It is a schematic diagram of the structure of the signal amplification and filtering rectification circuit of the present invention;

[0041] Fig.19 It is a structural diagram of the main control MCU and auxiliary circuit A of the present invention;

[0042] Fig. 20 This is a schematic diagram of the code download interface circuit structure of the present invention;

[0043] Fig.21 It is a schematic diagram of the 485 communication circuit structure of the present invention;

[0044] Fig. 22 It is a schematic diagram of the structure of the 485 communication interface circuit of the present invention;

[0045] Fig.23 It is a structural diagram of the main control MCU and auxiliary circuit B of the present invention;

[0046] Fig.24 It is a schematic diagram of the structure of the voltage-step-down and voltage-stabilizing circuit of the present invention;

[0047] Fig.25 It is a schematic diagram of the 485 communication circuit structure of the present invention;

[0048] Fig.26 It is a schematic diagram of the key circuit structure of the present invention;

[0049] Fig. 27 It is a schematic diagram of the structure of the download interface circuit of the present invention;

[0050] Fig.28 It is a schematic diagram of the structure of the 485 communication interface circuit of the present invention;

[0051] Fig.29 It is a schematic diagram of the structure of the power supply interface circuit of the present invention;

[0052] Fig.30 It is a schematic diagram of the charging interface circuit structure of the present invention;

[0053] Fig.31 This is a schematic diagram of the USB interface circuit structure of the present invention;

[0054] Fig.32 It is a schematic diagram of the structure of the voltage-boosting and voltage-stabilizing circuit of the present invention;

[0055] Fig.33 It is a schematic diagram of the structure of the power indicator light circuit of the present invention;

[0056] Fig.34 It is a schematic diagram of the structure of the liquid crystal display interface circuit of the present invention;

[0057] Fig.35 It is a schematic diagram of the structure of the nine-axis module circuit and its auxiliary circuit of the present invention;

[0058] Fig.36 It is a schematic diagram of the voltage stabilizing circuit structure of the nine-axis module of the present invention;

[0059] Fig.37 It is a schematic diagram of the nine-axis module interface circuit structure of the present invention.

[0060] Serial numbers shown in the figure: beam 1, ground anchor 2, probe 3, bottom guide sleeve 4, ground anchor clamp 5, ground anchor wrench 6, hand crank interface 7, mountain-shaped pressure plate 8, block 9, chain stop shaft 10, chain 11, top guide sleeve 12, probe rod 13, hand crank 14, cable 15, receiver 16. DETAILED DESCRIPTION

[0061] The exemplary embodiments disclosed in the present invention will be described in more detail below with reference to the accompanying drawings. These embodiments are intended to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art. Although the exemplary embodiments disclosed in the present invention are shown in the accompanying drawings, it should be understood that the present invention should not be limited by the embodiments described herein.

[0062] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and the like cited in this specification are only for the convenience of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, nor are they used to limit the scope of the present invention. The change or adjustment of the relative relationship shall be regarded as the scope of the present invention without substantially changing the technical content. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] An ultra-deep pipeline detection system with calculation and analysis functions includes a signal transmitter, a signal receiver, a hardware circuit and a PC-side processing software. The signal transmitter is used to provide different frequency signals and outputs, and the signal receiver is used to receive different frequency signals and send the frequency signals to the hardware circuit; the hardware circuit is used to calculate and analyze the frequency signals; the PC-side processing software is used for real-time operation and control. The present invention is used for ultra-deep pipelines. The detection device detects the direction and burial depth of the target pipeline through the principle of electromagnetic induction. The operation is simple and avoids cost waste. It can also effectively improve the absolute accuracy of the measurement and has high efficiency. When the distance to the pipeline is getting closer and closer, an alarm will automatically occur to inform the operator to stop construction, which is safer; it provides the function of real-time data calculation and analysis, so as to meet the detection operation when the underground target pipeline is complicated.

[0064] Among them, the signal transmitter includes a power supply module, a human-computer interaction module, a CPU core module, a signal generating module, an excitation output module and a pipeline signal loader; the human-computer interaction module is bidirectionally connected to the CPU core module, the CPU core module is connected to the signal generating module and the excitation output module, the signal generating module is connected to the excitation output module, and the excitation output module is connected to the pipeline signal loader.

[0065] The power module provides 3.3V, 5V and 12V DC power to provide the required working power for the CPU core module, human-computer interaction module, signal generation module, excitation output module and pipeline signal loader.

[0066] The CPU core module includes an ARM processor, a memory circuit and an auxiliary circuit; the memory circuit is bidirectionally connected to the ARM processor, and the auxiliary circuit is unidirectionally connected to the ARM processor; the ARM processor serves as the main control chip of the entire device, the memory circuit provides the ARM processor with necessary data access functions, and the auxiliary circuit is the basic working peripheral circuit of the ARM processor; the model of the ARM processor is the STM32F103C8T6 processor.

[0067] The human-computer interaction module includes a key circuit and a TFT liquid crystal display, wherein the key circuit and the TFT liquid crystal display are both unidirectionally connected to the ARM processor; the key circuit conveys the operator's operating instructions to the ARM processor, and the TFT liquid crystal display displays the operating results processed by the ARM processor and the equipment's own status in real time.

[0068] The signal generating module is a complete circuit, including signal frequency selection, pulse signal generation and sinusoidal signal conversion which are connected unidirectionally in sequence, wherein the ARM processor is unidirectionally connected to the signal frequency selection, and the sinusoidal signal conversion is unidirectionally connected to the excitation output module; the process of the signal generating module is divided into signal frequency selection, pulse signal generation and sinusoidal signal conversion, firstly a preset frequency is selected through the key circuit, a pulse signal of the corresponding frequency is generated, and the pulse signal is converted into a sinusoidal signal; the preset frequency can be preset to any multiple different frequencies within the range of 0-20MHZ.

[0069] The excitation output module is a complete circuit, including the amplification power selection and sinusoidal signal power amplification connected in sequence in one direction, wherein the ARM processor is unidirectionally connected to the amplification power selection, and the sinusoidal signal power amplification is unidirectionally connected to the pipeline signal loader; the process of the excitation output module is divided into amplification power selection (signal gain selection) and sinusoidal signal power amplification, and a preset amplification factor (gain number) is selected through the key circuit to amplify the power of the sinusoidal signal (both the voltage and current will be improved).

[0070] The pipeline signal loader is a stand-alone device that includes a ring clamp or two alligator clips to load the final signal onto the target pipeline.

[0071] Advantages of the above signal transmitter:

[0072] Advantages (1): The signal transmitter has high transmission power, small size, light weight and is easy to carry. It is more suitable for field operations in adverse environments, simple operation, high efficiency, and the transmitter power is increased by 70%. Standardized interface cables can be repaired on site if damaged, avoiding cost waste. Compatible with all mainstream commercial machines, and provides more different frequency signals and outputs.

[0073] Advantage (2): The TFT LCD display can be used to understand the current working status of the equipment in real time, including signal frequency, signal strength (gain), whether the equipment is normal, etc. The signal frequency and signal strength can be manually adjusted by pressing buttons, which is convenient and fast. The frequency of the customized process can be added to the preset frequency to meet the use requirements of conventional equipment and meet and develop new operating processes. The strong signal strength is much higher than that of mainstream commercial machines, which is very suitable for work places with adverse environmental factors.

[0074] The signal receiver includes an ultra-deep pipeline probe 1 and a collector 10 .

[0075] like Figure 1As shown, the ultra-deep pipeline probe 1 includes an induction coil 2, a coil welding point 3, a filter circuit 4, a nine-axis attitude sensor circuit 5, a communication circuit 6, a connecting line 7 and a female connector 8; wherein, the front end of the ultra-deep pipeline probe 1 is provided with an induction coil 2, the left end of the induction coil 2 is connected to the filter circuit 4 through the coil welding point 3, the filter circuit 4 is electrically connected to the nine-axis attitude sensor circuit 5, the nine-axis attitude sensor circuit 5 is electrically connected to the communication circuit 6, the communication circuit 6 is electrically connected to the connecting line 7, and the connecting line 7 is electrically connected to the female connector 8.

[0076] like Figure 2 As shown, the collector 10 includes a liquid crystal display screen 11, a switch 12, a key panel 14 and a male connector 9; the liquid crystal display screen 11 is arranged above the collector 10, the switch 12 is arranged at the lower left of the liquid crystal display screen 11, and the key panel 14 is arranged at the lower right; the male connector 9 is arranged at the bottom of the collector 10; wherein the male connector 9 and the female connector 8 are connected to each other in cooperation.

[0077] like Figure 3 As shown, it also includes a power supply 13 and a main controller module 15; the power supply 13 provides a 12V-5V-3.3V voltage power supply for the ultra-deep pipeline probe 1, the collector 10 and the main controller module 15; the main controller module 15 contains a core controller 16, a storage circuit 17 and an auxiliary circuit 18; the operation result of the key panel 14 is transmitted to the core controller 16, and the core controller controls the LCD screen 11 to display the operation result; the core controller 16 communicates with the ultra-deep pipeline probe 1 through the connector male end 9 to obtain the detection result.

[0078] like Figure 4-Figure 8 As shown, the ultra-deep pipeline probe 1 includes a signal amplification and filtering rectification circuit, a main control MCU and an auxiliary circuit A, a code download interface circuit, a 485 communication circuit, a 485 communication interface circuit, and a nine-axis attitude sensor circuit 5.

[0079] The working principle of the signal amplification and filtering rectification circuit is: amplifying the signal collected by the ultra-deep pipeline probe 1 and filtering the interference signal.

[0080] The working principle of the main control MCU and the auxiliary circuit A is to control the operation of all circuits in the entire ultra-deep pipeline probe 1.

[0081] The working principle of the code download interface circuit is: downloading and running code for the main control MCU;

[0082] The working principle of the 485 communication circuit is: providing 485 communication function.

[0083] The working principle of the 485 communication interface circuit is: connecting and communicating with the collector 10 through a cable.

[0084] like Figure 9-Figure 20 As shown, the collector 10 includes a main control MCU and an auxiliary circuit B, a step-down voltage stabilization circuit, a 485 communication circuit, a key circuit, a download interface circuit, a 485 communication interface circuit, a power supply interface circuit, a charging interface circuit, a USB interface circuit, a step-up voltage stabilization circuit, a power indicator light circuit, and a liquid crystal display interface circuit.

[0085] The working principle of the main control MCU and the auxiliary circuit B is to control the operation of all circuits in the entire collector 10.

[0086] The working principle of the buck-stabilizing circuit is to step down the power supply voltage to the working voltage of the circuit and stabilize the voltage value.

[0087] The working principle of the 485 communication circuit is: providing 485 communication function.

[0088] The working principle of the key circuit is: the operator's operation status of the key will be transmitted to the main control MCU.

[0089] The working principle of the download interface circuit is to download and run the code for the main control MCU.

[0090] The working principle of the 485 communication interface circuit is: connecting and communicating with the ultra-deep pipeline probe 1 through a cable.

[0091] The working principle of the power supply interface circuit is: the connection interface of the circuit power supply.

[0092] The working principle of the charging interface circuit is: the charging interface of the charger.

[0093] The working principle of the USB interface circuit is: USB interface type external power supply interface.

[0094] The working principle of the boost and voltage stabilization circuit is: boosting the power supply voltage connected to the external power supply of the USB interface type to the circuit working voltage and stabilizing the voltage value.

[0095] The working principle of the power indicator light circuit is: when the power supply is normal, the indicator light is always on.

[0096] The working principle of the LCD interface circuit is: interface of the LCD 11.

[0097] It should be noted that if Figure 4-Figure 20 In the circuit shown, there is no circuit connection that forms a closed loop. An identifier must be placed at the end of the connection, such as VCC, GND or RXT, etc. The same identifier indicates that the electronic components are connected in the actual circuit.

[0098] When the present invention is working, it needs to be used in conjunction with the ultra-deep pipeline detection technology, and the ultra-deep pipeline probe 1 is assembled to the end of the static pressure instrument; the ultra-deep pipeline probe 1 is connected to the collector 10, and the power is turned on; by means of the ultra-deep pipeline detection technology, the ultra-deep pipeline probe 1 is first kept in a vertical state on the ground, and the ultra-deep pipeline probe 1 is pressed vertically toward the center of the earth by manpower; the posture data and geomagnetic field data of the probe in the nine-axis sensor circuit 5 in the ultra-deep pipeline probe 1 when the probe maintains this state are obtained through the collector 10, and recorded as the initial value of the posture. During the pressing process displayed on the display screen 11 on the collector 10, the posture data and geomagnetic field data monitored in real time by the nine-axis sensor circuit 5 in the ultra-deep pipeline probe 1 can effectively measure whether the ultrasonic pipeline probe 1 is vertical and the deflection during the pressing process, and can effectively measure the signal strength sent by the target pipeline. The operator adjusts the pressing direction and speed in time according to the pointing to the center of the earth displayed on the display screen 11 until the pressing is vertical to the center of the earth. After the operator has completed a round of data measurement, the depth result of the target pipeline can be obtained instantly from the collector 10 .

[0099] Advantages of signal receiver:

[0100] Advantages (1): Accurately measure the depth of the target pipeline; measure the depth of pipelines within 30 meters; controllable and temporary damage to the work site; only one operation is required to obtain the required data. No major damage will be caused to the work site during operation, and such damage can be quickly restored; only one operation is required to obtain the required data, which is efficient and fast; compared with large equipment such as drilling rigs, this device can be easily carried on a vehicle.

[0101] Advantage (2): The ultra-deep pipeline probe 1 of the present invention is made of nylon material, which takes into account hardness, corrosion resistance, and portability. The ultra-deep pipeline probe 1 adopts a pointed design, which is convenient for use with the ultra-deep pipeline detection technology independently developed by our company, and it is easy to press the ultra-deep pipeline probe 1 into the ground. When used with a collector, accurate data can be obtained immediately to measure the depth of the underground pipeline. The operation panel is used with a display screen, which is friendly and simple for operators. The nine-axis attitude sensor circuit 5 can monitor in real time the changes in the geomagnetic field during the downward pressure of the ultra-deep pipeline probe 1 and the changes in the probe's own movement attitude. Through these data, it can be understood whether the probe is perpendicular to the center of the earth during the downward pressure process and whether it remains vertical.

[0102] The hardware circuit has the calculation and analysis function of the absolute value of the signal, including a transformer circuit, a digital power amplifier board circuit and a detection signal generating circuit of a signal transmitter, and a detection signal receiving circuit, a detection signal transmission circuit and a detection signal processing circuit of a signal receiver.

[0103] The core part of the transformer circuit is the power matching controller.

[0104] The digital power amplifier board circuit includes a left power amplifier circuit, a right power amplifier circuit and a gain adjustment circuit.

[0105] The signal generating circuit includes an MCU circuit, an AD9833 module circuit, a power supply circuit, a crystal oscillator circuit, a bypass capacitor circuit, a key circuit, a download port circuit, a BOOT circuit and a display screen circuit.

[0106] The processing software on the PC side is underground pipeline alternating magnetic field digital signal acquisition and analysis software, including an operation interface, a data analysis interface and a probe connection interface.

[0107] The data analysis interface includes the interface for loading historical database files, generating calculation curves and generating reports. The information of the collected data is classified and displayed in the data analysis interface, and can be marked with serial number, ID, depth value, absolute signal value, point number, signal frequency and remarks.

[0108] The collected data can be directly saved in the database file or output in time as a prompt result on site; at the same time, the data will be saved on the receiver and displayed on the corresponding screen as a reference on site; the collected data can also be transmitted to the mobile phone or computer via WIFI, Bluetooth or the wireless network of China Mobile Telecom for on-site report generation, display and data calculation; the database file provides a USB port, which is convenient for copying to the computer via USB, reading and calculating through the corresponding software to generate a report;

[0109] The USB port only needs to insert a U disk, and the detected data will be automatically saved to the U disk by time division without manual setting; one copy of data is saved for each test result; multiple results are saved in multiple files; the software only needs to read the files in the folder to get all the data of that detection, and calculate production reports and charts; the data is displayed in real time, the highest value is marked in real time, and the calculation curve and report are generated after the data collection is completed;

[0110] The probe connection interface includes an operation interface for connecting the probe, a grading interface for signal amplification, an operation interface for initial configuration, an operation interface for acquisition results, and an operation interface for automatic acquisition configuration.

[0111] Although the above embodiments have been described, once those skilled in the art know the basic creative concepts, they can make additional changes and modifications to these embodiments. Therefore, the above are only embodiments of the present invention and do not limit the patent protection scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An ultra-deep pipeline detection system with calculation and analysis functions, Features: It includes a signal transmitter, a signal receiver, a hardware circuit and a processing software on the PC side; the signal transmitter is used to provide different frequency signals and outputs, the signal receiver is used to receive different frequency signals and send the frequency signals to the hardware circuit; the hardware circuit is used to calculate and analyze the frequency signal; the processing software on the PC side is used for real-time operation control; The signal transmitter includes a power supply module, a human-computer interaction module, a CPU core module, a signal generation module, an excitation output module and a pipeline signal loader; the human-computer interaction module is bidirectionally connected to the CPU core module, the CPU core module is connected to the signal generation module and the excitation output module, the signal generation module is connected to the excitation output module, and the excitation output module is connected to the pipeline signal loader; The signal receiver comprises an ultra-deep pipeline probe (1) and a collector (10); wherein the ultra-deep pipeline probe (1) comprises an induction coil (2), a coil welding point (3), a filter circuit (4), a nine-axis attitude sensor circuit (5), a communication circuit (6), a connecting line (7) and a female connector (8); wherein the front end of the ultra-deep pipeline probe (1) is provided with an induction coil (2), the left end of the induction coil (2) is connected to the filter circuit (4) through the coil welding point (3), the filter circuit (4) is electrically connected to the nine-axis attitude sensor circuit (5), and the nine-axis attitude sensor circuit (5) is electrically connected to the female connector (8). The communication circuit (6) is electrically connected to the connecting wire (7), and the connecting wire (7) is electrically connected to the female end of the connector (8); the collector (10) comprises a liquid crystal display screen (11), a switch (12), a key panel (14) and a male end of the connector (9); the liquid crystal display screen (11) is arranged above the collector (10), the switch (12) is arranged at the lower left of the liquid crystal display screen (11), and the key panel (14) is arranged at the lower right; the male end of the connector (9) is arranged below the collector (10); wherein the male end of the connector (9) and the female end of the connector (8) are connected to each other in a coordinated manner; The hardware circuit has the calculation and analysis function of the absolute value of the signal, including a transformer circuit, a digital power amplifier circuit and a detection signal generating circuit of the signal transmitter, and a detection signal receiving circuit, a detection signal transmission circuit and a detection signal processing circuit of the signal receiver; The processing software on the PC side is underground pipeline alternating magnetic field digital signal acquisition and analysis software, including an operation interface, a data analysis interface and a probe connection interface.

2. The ultra-deep pipeline detection system with calculation and analysis function according to claim 1, Features: The power module provides 3.3V, 5V and 12V DC power to provide the required working power for the CPU core module, human-computer interaction module, signal generation module, excitation output module and pipeline signal loader; The CPU core module includes an ARM processor, a memory circuit and an auxiliary circuit; the memory circuit is bidirectionally connected to the ARM processor, and the auxiliary circuit is unidirectionally connected to the ARM processor; the ARM processor is the main control chip of the entire device, the memory circuit provides the ARM processor with necessary data access functions, and the auxiliary circuit is the basic working peripheral circuit of the ARM processor; the model of the ARM processor is the STM32F103C8T6 processor; The human-machine interaction module includes a key circuit and a TFT liquid crystal display, wherein the key circuit and the TFT liquid crystal display are unidirectionally connected to the ARM processor; the key circuit conveys the operator's operating instructions to the ARM processor, and the TFT liquid crystal display displays the operating results processed by the ARM processor and the equipment's own conditions in real time; The signal generation module is a complete circuit, including signal frequency selection, pulse signal generation and sine signal conversion which are connected one-way in sequence, wherein the ARM processor is connected one-way to the signal frequency selection, and the sine signal conversion is connected one-way to the excitation output module; the process of the signal generation module is divided into signal frequency selection, pulse signal generation and sine signal conversion, firstly select a preset frequency through the key circuit, generate a pulse signal of the corresponding frequency, and convert the pulse signal into a sine signal; the preset frequency can be preset to any multiple different frequencies within 0-20MHZ; The excitation output module is a complete circuit, including the amplification power selection and the sinusoidal signal power amplification connected in sequence in one direction, wherein the ARM processor is connected in one direction to the amplification power selection, and the sinusoidal signal power amplification is connected in one direction to the pipeline signal loader; the process of the excitation output module is divided into the amplification power selection and the sinusoidal signal power amplification, and a preset amplification factor is selected through the key circuit to amplify the power of the sinusoidal signal; The pipeline signal loader is a stand-alone device that includes a ring clamp or two alligator clips to load the final signal onto the target pipeline.

3. The ultra-deep pipeline detection system with calculation and analysis function according to claim 1, Features: The signal receiver also includes a power supply (13) and a main controller module (15); the power supply (13) provides a voltage power supply of 12V-5V-3.3V for the ultra-deep pipeline probe (1), the collector (10) and the main controller module (15); the main controller module (15) includes a core controller (16), a storage circuit (17) and an auxiliary circuit (18); the operation result of the key panel (14) is transmitted to the core controller (16), and the core controller controls the liquid crystal display screen (11) to display the operation result; the core controller (16) communicates with the ultra-deep pipeline probe (1) through the male end of the connector (9) to obtain the detection result; The ultra-deep pipeline probe (1) comprises a signal amplification and filtering rectification circuit, a main control MCU and an auxiliary circuit A, a code download interface circuit, a 485 communication circuit, a 485 communication interface circuit, and a nine-axis attitude sensor circuit (5); The collector (10) comprises a main control MCU and an auxiliary circuit B, a step-down voltage stabilization circuit, a 485 communication circuit, a key circuit, a download interface circuit, a 485 communication interface circuit, a power supply interface circuit, a charging interface circuit, a USB interface circuit, a step-up voltage stabilization circuit, a power indicator light circuit, and a liquid crystal display interface circuit.

4. The ultra-deep pipeline detection system with calculation and analysis function according to claim 3, Features: The probe (3) has a built-in nine-axis attitude sensor circuit (5), which includes a nine-axis module circuit and its auxiliary circuit, a nine-axis module voltage stabilization circuit and a nine-axis module interface circuit, and can determine in real time whether the probe's downward pressing direction is pointing to the center of the earth.

5. The ultra-deep pipeline detection system with calculation and analysis function according to claim 1, Features: The working method of the signal receiver is as follows: assembling the ultra-deep pipeline probe (1) to the end of the static pressure gauge; connecting the ultra-deep pipeline probe (1) to the collector (10), and turning on the power; using the ultra-deep pipeline detection technology, first keeping the ultra-deep pipeline probe (1) in a vertical state on the ground, and manually pressing the ultra-deep pipeline probe (1) vertically toward the center of the earth into the ground; obtaining the posture data and the ground position of the nine-axis sensor circuit (5) in the ultra-deep pipeline probe (1) when the probe maintains this state through the collector (10). The magnetic field data is recorded as the initial value of the attitude; during the downward pressing process displayed on the display screen (11) on the collector (10), the attitude data and geomagnetic field data monitored in real time by the nine-axis sensor circuit (5) in the ultra-deep pipeline probe (1) can effectively measure whether the ultrasonic pipeline probe (1) is vertical and the deflection angle during the downward pressing process, and can effectively measure the signal strength sent by the target pipeline; the operator timely adjusts the downward pressing direction and speed according to the pointing to the center of the earth displayed on the display screen (11) until the downward pressing is perpendicular to the center of the earth; After completing a round of data measurement, the operator can instantly obtain the depth result of the target pipeline from the collector (10).

6. The ultra-deep pipeline detection system with calculation and analysis function according to claim 1, Features: The core part of the transformer circuit is the power matching controller; The digital power amplifier board circuit includes a left power amplifier circuit, a right power amplifier circuit and a gain adjustment circuit; The signal generating circuit includes an MCU circuit, an AD9833 module circuit, a power supply circuit, a crystal oscillator circuit, a bypass capacitor circuit, a key circuit, a download port circuit, a BOOT circuit and a display screen circuit.

7. The ultra-deep pipeline detection system with calculation and analysis function according to claim 1, Features: The data analysis interface includes the interface for loading historical database files, generating calculation curves and generating reports. The information of the collected data is classified and displayed in the data analysis interface, and can be marked with serial number, ID, depth value, absolute signal value, point number, signal frequency and remarks. The collected data can be directly saved in the database file or output in time as a prompt result on site; at the same time, the data will be saved on the receiver and displayed on the corresponding screen as a reference on site; the collected data can also be transmitted to the mobile phone or computer via WIFI, Bluetooth or the wireless network of China Mobile Telecom for on-site report generation, display and data calculation; the database file provides a USB port, which is convenient for copying to the computer via USB, reading and calculating through the corresponding software to generate a report; The USB port only needs to insert a U disk, and the detected data will be automatically saved to the U disk by time division without manual setting; one copy of data is saved for each test result; multiple results can be saved in multiple files; The software only needs to read the files in the folder to obtain all the data of the detection and calculate the production report and chart; it can display the chart in real time according to the data, mark the highest value in real time, and generate the calculation curve and report after the data collection is completed; The probe connection interface includes an operation interface for connecting the probe, a grading interface for signal amplification, an operation interface for initial configuration, an operation interface for acquisition results, and an operation interface for automatic acquisition configuration.

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