CN215833639U

CN215833639U - Submarine cable information acquisition device based on passive detection

Info

Publication number: CN215833639U
Application number: CN202122308284.9U
Authority: CN
Inventors: 陈少华; 康谦泽; 李佳萌; 张宝朋
Original assignee: Dalian Jiaotong University
Current assignee: Dalian Jiaotong University
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-15
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a submarine cable information acquisition device based on passive detection, includes power supply module, microcontroller module, information acquisition module and relay module, and power supply module links to each other with microcontroller module, information acquisition module and relay module respectively. The utility model utilizes the metal sensor with adjustable sensitivity, solves the difficult problem that the cable diameter is small and is difficult to judge, and can adjust the sensitivity of the metal sensor according to the diameter of the cable and the burial depth condition to realize accurate information acquisition; the relay is used for switching the working state, so that the problem that the sensors are affected by working simultaneously is solved; the submarine cable laying method solves the problem that submarine cables laid firstly and then buried are difficult to position and track in the submarine cable laying construction, improves submarine cable laying efficiency, and has important significance for submarine cable laying operation.

Description

Submarine cable information acquisition device based on passive detection

Technical Field

The utility model relates to the field of electronic detection equipment.

Background

The submarine cable can be laid in deep sea by a large cable laying ship in the laying process, but the large cable laying ship cannot stop at the near beach, route track guidance cannot be carried out on cable laying by means of a ship positioning technology, and the near beach cable cannot be effectively laid. In order to solve the safety problem caused by the fact that the near beach cable is not buried, the submarine survival time of the submarine cable is prolonged, accurate information of the submarine cable is acquired by the submarine cable information acquisition device based on passive detection, and the problems of burying of the near beach cable and burying after cable maintenance can be effectively solved.

In the process of detecting submarine cables at present, side-scan sonar and multi-beam sonar can accurately detect the positions of the submarine cables in a naked state, but are not suitable for detecting the cables buried in shallow layers of the seabed; the shallow stratum profiler can detect a buried target, and can only obtain the structure of a detected seabed shallow stratum profile to judge the positions of a seabed stratum and a buried object; the magnetic detector is difficult to realize effective detection of the submarine cable because the magnetic anomaly between the submarine cable and the surrounding environment is small.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the existing submarine cable technology, the utility model provides a submarine cable information acquisition device based on passive detection.

The technical scheme adopted by the utility model for realizing the purpose is as follows: a submarine cable information acquisition device based on passive detection comprises a power supply module, a microcontroller module, an information acquisition module and a relay module, wherein the power supply module is respectively connected with the microcontroller module, the information acquisition module and the relay module,

the power supply module is used for supplying power to other module circuits,

the microcontroller module is connected with the information acquisition module and is used for controlling the relay to work and acquiring the data information of the sensor,

the information acquisition module is connected with the relay module and is used for acquiring sensor signals,

the relay module is connected with the sensors and used for switching the working states among the sensors.

The microcontroller module comprises an STM32F103C8T6 core chip, a reset circuit and a crystal oscillator circuit.

The information acquisition module comprises an STC15W401AS series single chip microcomputer, a display screen display circuit and a sensor signal acquisition circuit.

The relay module comprises three G6S-2-12V type relays, and each relay is connected with one sensor.

The sensor is a metal sensor.

According to the submarine cable information acquisition device based on passive detection, the metal sensor with adjustable sensitivity is utilized, the problem that the diameter of a cable is small and difficult to judge is solved, and the sensitivity of the metal sensor can be adjusted according to the diameter of the cable and the burial depth condition to realize accurate information acquisition; the relay is used for switching the working state, so that the problem that the sensors are affected by working simultaneously is solved; the submarine cable laying method solves the problem that submarine cables laid firstly and then buried are difficult to position and track in the submarine cable laying construction, improves submarine cable laying efficiency, and has important significance for submarine cable laying operation.

Drawings

Fig. 1 is a functional block diagram of the submarine cable information collection device based on passive detection of the information of the present invention.

Fig. 2 is a circuit diagram of a microcontroller module of the submarine cable information acquisition device based on passive detection.

Fig. 3 is a circuit diagram of an information acquisition module of the submarine cable information acquisition device based on passive detection.

Fig. 4 is a circuit diagram of a relay control module of the submarine cable information acquisition device based on passive detection.

Fig. 5 is a circuit diagram of a voltage conversion module of the submarine cable information acquisition device based on passive detection.

Detailed Description

The submarine cable information acquisition device based on passive detection is shown in figure 1 and mainly comprises a power supply module, a microcontroller module, an information acquisition module and a relay module. The microcontroller module mainly has the functions of communicating with an upper computer by using the 485 communication module, controlling the three-way relay to perform polling work and acquiring detection data of three sensors in the sensor control module. The power supply module provides each module with a suitable operating voltage.

The power supply module is respectively connected with the microcontroller module, the information acquisition module and the relay module and used for providing power for other module circuits. As shown in fig. 5, the voltage conversion module converts an external power source 12v into 5v, in the figure, a pin 1 of the LM2596 switching voltage regulator is connected to a dc voltage input terminal 12v, a pin 2 is a dc voltage output terminal 5v, a pin 3, a pin 5 and a pin 6 are grounded, a pin 4 is a voltage-stabilizing sampling voltage input terminal, the pin is connected to an output voltage, and the magnitude of the output voltage is monitored through an IC internal voltage-dividing network. And a 12V power supply is input into three paths for supplying power to the 12V sensor module, the 5V minimum system unit and the 5V relay module respectively.

The microcontroller module is shown in fig. 2, and comprises an STM32F103C8T6 core chip, a reset circuit and a crystal oscillator circuit, and mainly has the functions of controlling the relay to work and collecting sensor data information by the ADC. An ARM core STM32F103C8T6 chip is adopted, and a minimum system unit mainly comprises the core chip, a crystal oscillator circuit and a reset unit. The minimum system can acquire and process the detection data of the sensor in an ADC (analog to digital converter) acquisition mode, and transmit and display the processed data to an interface in a 485 communication mode. Meanwhile, three relays are controlled to perform polling work through three GPIO pins. The reset unit is composed of C7 and R1, when the key is pressed down, the single chip microcomputer enters a reset state, and when the hand is released, the single chip microcomputer enters a working state.

The information acquisition module is shown in fig. 3, and comprises an STC15W401AS series single chip microcomputer, a display screen display circuit and a sensor signal acquisition circuit, and the main function of the information acquisition module is to control the sensor to detect the position information of the submarine cable. An STC15W401AS series single chip microcomputer is adopted, wherein a pin P1.3 is SPI host output and slave input, a pin P1.4 is SPI host input and slave output, a pin P1.5 is SPI host clock output or slave clock input, VCC is connected with a 5v power supply, and display screen information is controlled. And the position information of the submarine cable acquired by the metal sensor is displayed through the display screen.

The relay module comprises three relays of G6S-2-12V models as shown in figure 4, and the main function is to switch the working state among the sensors and realize the polling work of the sensors so as to avoid mutual interference. The left side of ULN2003ADR driver chip is the input, and the right side is corresponding output, and CON1 input control relay K1, CON2 input control relay K2, and CON3 input control relay K3. The sensor was switched to work with three relays model G6S.

Claims

1. The utility model provides a submarine cable information acquisition device based on passive detection which characterized in that: comprises a power supply module, a microcontroller module, an information acquisition module and a relay module, wherein the power supply module is respectively connected with the microcontroller module, the information acquisition module and the relay module,

the power supply module is used for supplying power to other module circuits,

2. The submarine cable information acquisition device based on passive detection according to claim 1, wherein: the microcontroller module comprises an STM32F103C8T6 core chip, a reset circuit and a crystal oscillator circuit.

3. The submarine cable information acquisition device based on passive detection according to claim 1, wherein: the information acquisition module comprises an STC15W401AS series single chip microcomputer, a display screen display circuit and a sensor signal acquisition circuit.

4. The submarine cable information acquisition device based on passive detection according to claim 1, wherein: the relay module comprises three G6S-2-12V type relays, and each relay is connected with one sensor.

5. The submarine cable information acquisition device based on passive detection according to claim 1, wherein: the sensor is a metal sensor.