CN109829341B - Hardware self-destruction device after buoy cable breakage - Google Patents

Hardware self-destruction device after buoy cable breakage Download PDF

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CN109829341B
CN109829341B CN201811641308.9A CN201811641308A CN109829341B CN 109829341 B CN109829341 B CN 109829341B CN 201811641308 A CN201811641308 A CN 201811641308A CN 109829341 B CN109829341 B CN 109829341B
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core wire
self
power supply
buoy
destruction
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CN109829341A (en
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刘峡
李强兵
陈雯
牛群峰
吕志刚
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710th Research Institute of CSIC
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710th Research Institute of CSIC
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Abstract

The invention provides a hardware self-destruction device after a buoy is broken, wherein a self-destruction unit judges whether a watertight cable is broken or not by detecting a power supply positive core wire and a power supply negative core wire in the watertight cable in real time and detecting the level state of the core wires, and once the watertight cable is judged to be broken, the self-destruction unit outputs high voltage to physically burn a sensitive device unit; therefore, if the cable is not broken, the buoy can be recycled, is particularly suitable for underwater platforms such as underwater robots, can well protect hardware chips of internal devices of sensitive device units in the buoy and data acquired and stored are safe, and greatly reduces the risk that technical information of users such as hardware circuits and sensitive data of the sensitive device units in the buoy is lost and leaked after the watertight cable is disconnected from the underwater robot.

Description

Hardware self-destruction device after buoy cable breakage
Technical Field
The invention belongs to the technical field of marine equipment, and particularly relates to a hardware self-destruction device after a buoy is broken.
Background
The buoy is one of main equipment for acquiring positioning information and communicating with the external world such as a shore base by an underwater platform such as an underwater robot. The current commonly used buoys comprise disposable emergency communication buoys and reusable buoys. The invention relates to a buoy, which comprises: the buoy is connected with underwater platforms such as an underwater robot and the like through watertight communication cables, is released and recovered by the underwater platforms such as the underwater robot and the like, and can be repeatedly used. The buoy realizes multiple communication and positioning information transmission channels from the underwater platform to the water surface, the water surface to the satellite, the satellite to the shore base and the underwater platform to the water surface to nearby ships, and has the characteristics of concealment, flexible use, reusability and the like.
However, the buoy is connected with the underwater robot only through the cable, and the ocean water surface environment is severe and dangerous, even if the cable is strong, the situation that the watertight communication cable connected with the underwater platform such as the underwater robot is broken due to reasons such as surge, fishing boat and fishing net dragging, water surface ship propeller cutting and the like is inevitable after repeated use for many times, once the watertight communication cable is broken, the buoy is in a state of randomly drifting on the sea surface, and the leakage risk exists in the positioning communication equipment hardware chip inside the buoy and the collected and stored data.
Disclosure of Invention
In order to solve the problems, the invention provides a hardware self-destruction device after a buoy is disconnected, which can greatly reduce the risk of losing and leaking user technical information such as a hardware circuit and sensitive data of a sensitive device unit in the buoy after a watertight cable is disconnected from an underwater robot.
A hardware self-destruction device after a buoy is broken is applied to an underwater robot and comprises a watertight cable and a buoy;
the underwater robot supplies power to the buoy through the power supply positive core wire and the power supply negative core wire, provides detection level for the buoy through the detection core wire, and communicates with the buoy through the communication core wire;
the buoy comprises a processor unit, a self-destruction unit and a sensitive device unit, wherein the processor unit receives a control signal sent by the underwater robot through the communication core wire, the control signal comprises a buoy release signal, a buoy recovery signal and an immediate self-destruction signal, the self-destruction unit receives electric energy provided by the underwater robot through a power supply positive core wire and a power supply negative core wire, and further receives a detection level provided by the underwater robot through a detection core wire, wherein:
when the processor unit receives a buoy release signal, the processor unit controls the self-destruction unit to be electrified, then the self-destruction unit detects the level states of the power supply positive core wire, the power supply negative core wire and the detection core wire in real time, and when the level states of any two of the three core wires do not accord with the preset state, the self-destruction unit outputs voltage for burning the sensitive device unit;
after the processor unit receives the buoy recovery signal, the processor unit controls the self-destruction unit to cut off the electric energy provided by the underwater robot;
when the processor unit receives the immediate self-destruction signal, the processor unit controls the self-destruction unit to be powered on, and the self-destruction unit immediately outputs the voltage for burning the sensitive device unit.
Furthermore, the self-destruction unit comprises a broken line detection module, a single chip microcomputer, an energy storage module and a self-destruction switch;
the disconnection detection module is used for detecting the level states of the power supply positive core wire, the power supply negative core wire and the detection core wire;
the single chip microcomputer is used for powering on or powering off under the control of the processor unit, wherein when the single chip microcomputer is powered on, if the level states of any two of the power supply positive core wire, the power supply negative core wire and the detection core wire are not consistent with a preset state or the processor unit receives an immediate self-destruction signal, the single chip microcomputer switches on the self-destruction switch;
the energy storage module is connected with the electric energy provided by the underwater robot through the power positive core wire and the power negative core wire and stores energy, and the energy storage module is used for outputting voltage to the sensitive device unit after the self-destruction switch is switched on.
Further, the detection level of the detection core wire is provided by a power supply cathode of the underwater robot connected with the power supply negative core wire.
Further, the preset state is that the level state of the positive core wire of the power supply is high level, and the level states of the negative core wire of the power supply and the detection core wire are low level.
Further, the detection level of the detection core wire is provided by a power supply anode of the underwater robot connected with the power supply anode wire.
Further, the detection level of the detection core wire is provided by a detection level output end of the underwater robot, wherein the detection level output end is used for outputting a stable level.
Further, the preset state is that the level states of the power supply positive core wire and the detection core wire are high levels, and the level state of the power supply negative core wire is low level.
Furthermore, the sensitive device unit comprises a communication module, a positioning module, a data acquisition module or a data storage module.
Further, the thicknesses of the power supply positive core wire, the power supply negative core wire and the detection core wire are the same, and in the watertight cable, the power supply positive core wire, the power supply negative core wire and the detection core wire are the thickest.
Further, the energy storage module is an energy storage capacitor.
Has the advantages that:
the invention provides a hardware self-destruction device after a buoy is broken, wherein a self-destruction unit judges whether a watertight cable is broken or not by detecting a power supply positive core wire and a power supply negative core wire in the watertight cable in real time and detecting the level state of the core wires, and once the watertight cable is judged to be broken, the self-destruction unit outputs high voltage to physically burn a sensitive device unit; therefore, if the cable is not broken, the buoy can be recycled, and is particularly suitable for underwater platforms such as underwater robots, the safety of hardware chips of internal devices of sensitive device units in the buoy and data collected and stored can be well protected, and the risk that technical information of users such as hardware circuits and sensitive data of the sensitive device units in the buoy is lost and leaked after the watertight cable is disconnected from the underwater robots is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a hardware self-destruction device after a buoy is disconnected;
fig. 2 is a flow chart of the buoy operation provided by the invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The following takes the power supply positive core wire as a 24V + core wire, the power supply negative core wire as a 24V-core wire, and the detection core wire as a 24 VZ-core wire as an example, and a detailed description is given to a hardware self-destruction device after the buoy is broken. Referring to fig. 1, the drawing is a schematic structural diagram of a hardware self-destruction device after a buoy is disconnected from a cable. A hardware self-destruction device after a buoy is broken is applied to an underwater robot and comprises a watertight cable and a buoy;
the watertight cable comprises 24V + core wires, 24V-core wires, 24 VZ-core wires and communication core wires; the underwater robot supplies power to the buoy through a 24V + core wire and a 24V-core wire, provides detection level for the buoy through a 24 VZ-core wire, and communicates with the buoy through a communication core wire;
the buoy comprises a processor unit, a self-destruction unit and a sensitive device unit, wherein the processor unit receives control signals sent by the underwater robot through the communication core wire, the control signals comprise a buoy release signal, a buoy recovery signal and an immediate self-destruction signal, the self-destruction unit receives electric energy provided by the underwater robot through a power supply positive core wire and a power supply negative core wire, and further receives a detection level provided by the underwater robot through a detection core wire, wherein:
when the processor unit receives a buoy release signal, the processor unit controls the self-destruction unit to be powered on, the self-destruction unit is used for detecting the level states of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire, and when the level states of any two of the three core wires do not accord with a preset state, the self-destruction unit outputs 24V voltage to the sensitive device unit to burn the sensitive device unit;
when the processor unit receives the buoy recovery signal, the processor unit controls the self-destruction unit to cut off the electric energy provided by the underwater robot;
when the processor unit receives the immediate self-destruction signal, the processor unit controls the self-destruction unit to be powered on, and then the self-destruction unit immediately outputs high voltage to the sensitive device unit to burn the sensitive device unit.
Optionally, the sensitive device unit includes a communication module, a positioning module, a data acquisition module or a data storage module. Meanwhile, the power supply positive core wire, the power supply negative core wire and the detection core wire are not easy to break in the using process in consideration of the magnitude of the power supply current and the strength of the core wires, the thicknesses of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire are the same, and in the watertight cable, the 24V + core wire, the 24V-core wire and the 24 VZ-core wire are the thickest.
Furthermore, the self-destruction unit comprises a broken line detection module, a single chip microcomputer, an energy storage module and a self-destruction switch;
the wire breakage detection module is used for detecting the level states of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire;
the single chip microcomputer is used for powering on or powering off under the control of the processor unit, wherein when the single chip microcomputer is powered on, if the level states of any two of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire are not consistent with a preset state or the processor unit receives an immediate self-destruction signal, the single chip microcomputer switches on the self-destruction switch;
the energy storage module is used for outputting high voltage to the sensitive device unit after the self-destruction switch is conducted.
That is to say, when the processor unit receives a buoy release signal, the single chip microcomputer is powered on, the disconnection detection module is used for detecting the level states of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire, when the level states of any two of the three core wires are not consistent with a preset state, the disconnection detection module sends an abnormal signal to the single chip microcomputer, the single chip microcomputer switches on the self-destruction switch, and the energy storage module outputs high voltage to the sensitive device unit through the self-destruction switch, so that the sensitive device unit is burnt; when the processor unit receives a buoy release signal, the single chip microcomputer is powered off; when the processor unit receives an immediate self-destruction signal, the single chip microcomputer switches on the self-destruction switch, and the energy storage module outputs high voltage to the sensitive device unit through the self-destruction switch, so that the sensitive device unit is burnt.
Optionally, the energy storage module is an energy storage capacitor, and the 24V + core wire and the 24V-core wire are respectively connected to the positive electrode and the negative electrode of the energy storage capacitor in addition to the positive detection terminal and the negative detection terminal of the disconnection detection module, so as to charge the energy storage capacitor.
In the embodiment, whether the watertight cable is broken or not can be judged by detecting the level states of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire, so as to judge whether the buoy needs to be started for self-destruction or not; a specific embodiment of the cable break detection is given below.
One end of the 24V + core wire is connected with the anode of a power supply of the underwater robot, and the other end of the 24V + core wire is connected with the positive detection end of the disconnection detection module; the 24V-core wire and the 24 VZ-core wire are connected at one end and are connected with the negative electrode of the power supply of the underwater robot, the other ends of the 24V-core wire and the 24 VZ-core wire are respectively connected with the detection negative electrode and the detection end of the disconnection detection module, namely, the detection level of the detection core wire is provided by the negative electrode of the power supply of the underwater robot connected with the negative core wire of the power supply.
The preset state is that the level state of the 24V + core wire is high level, and the level state of the 24V-core wire and the 24 VZ-core wire is low level.
That is to say, when the disconnection detecting module detects that two of the level states of the 24V + core wire, the 24V-core wire and the 24 VZ-core wire do not accord with the preset state, an abnormal signal is sent to the single chip microcomputer, and then the self-destruction switch is turned on by the single chip microcomputer.
Another embodiment of the cable break detection is given below.
One end of the 24V-core wire is connected with the negative electrode of the power supply of the underwater robot, and the other end of the 24V-core wire is connected with the detection negative electrode of the disconnection detection module;
the 24V + core wire and one end of the 24 VZ-core wire are connected, the connection end is connected with the anode of a power supply of the underwater robot, the other ends of the 24V + core wire and the 24 VZ-core wire are respectively connected with the detection anode and the detection end of the disconnection detection module, namely, the detection level of the detection core wire is provided by the anode of the power supply of the underwater robot connected with the anode of the power supply.
The preset state is that the level states of the 24V + core wire and the 24 VZ-core wire are high level, and the level state of the 24V-core wire is low level.
Yet another embodiment of cable break detection is given below.
One end of the 24V + core wire is connected with the anode of a power supply of the underwater robot, and the other end of the 24V + core wire is connected with the positive detection end of the disconnection detection module; one end of the 24V-core wire is connected with the negative electrode of the power supply of the underwater robot, and the other end of the 24V-core wire is connected with the detection negative electrode of the disconnection detection module; one end of the 24 VZ-core wire is connected with the detection level output end of the underwater robot, and the other end is connected with the detection end of the broken wire detection module.
The preset state is that the level states of the 24V + core wire and the 24 VZ-core wire are high level, and the level state of the 24V-core wire is low level.
It should be noted that if the detection core wire is connected in parallel with the power supply positive core wire or the power supply negative core wire, the backup function is achieved, the self-destruction rate of the buoy is reduced, and the reusability rate of the buoy is indirectly increased; if the detection core wire is not connected in parallel with the power supply positive core wire or the power supply negative core wire, another signal port needs to be searched on the water robot as a detection level output end, for example, an output port of a control signal, a resistor or an inductor connected with a power supply module of the underwater robot, a signal input end or a signal output end of an internal central processor of the underwater robot, and the like, as long as a stable level signal can be provided.
The following describes the operation flow of the hardware self-destruction device after the cable of the buoy is broken, and refer to fig. 2, which is a flowchart of the operation flow of the buoy provided in this embodiment.
After the underwater robot is placed in water, the buoy is powered on, and the self-destruction unit in the buoy starts to work. The self-destruction unit is in a closed state by default, if a buoy release signal is received, the self-destruction unit starts to monitor the level states of the 24 VZ-core wire, the 24V + core wire and the 24V-core wire, and detects and judges whether the 24 VZ-core wire, the 24V + core wire and the 24V-core wire in the watertight communication cable are broken in real time. And when any two of the 24 VZ-core wires and any two of the 24V + and 24V-core wires in the watertight communication cable are detected to be broken, judging that the watertight communication cable connected with the underwater robot is broken. The self-destruction unit utilizes the voltage of an internal energy storage capacitor, controls to turn on a self-destruction switch to output high voltage, and physically burns a sensitive chip in the buoy; if an 'immediate self-destruction' command sent to the processor unit by the underwater robot is received, the buoy sensitive chip is immediately burnt out by outputting high voltage through the self-destruction unit regardless of the current state of the buoy. And if the buoy recovery signal is received, closing the self-destruction circuit.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it will be understood by those skilled in the art that various changes and modifications may be made herein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A hardware self-destruction device after a buoy is broken is applied to an underwater robot and is characterized by comprising a watertight cable and a buoy;
the underwater robot supplies power to the buoy through the power supply positive core wire and the power supply negative core wire, provides detection level for the buoy through the detection core wire, and communicates with the buoy through the communication core wire;
the buoy comprises a processor unit, a self-destruction unit and a sensitive device unit, wherein the processor unit receives a control signal sent by the underwater robot through the communication core wire, the control signal comprises a buoy release signal, a buoy recovery signal and an immediate self-destruction signal, the self-destruction unit receives electric energy provided by the underwater robot through a power supply positive core wire and a power supply negative core wire, and further receives a detection level provided by the underwater robot through a detection core wire, wherein:
when the processor unit receives the buoy release signal, the processor unit controls the self-destruction unit to be powered on, then the self-destruction unit detects the level states of the power supply positive core wire, the power supply negative core wire and the detection core wire in real time, and when the level states of any two of the three core wires are not consistent with the preset state, the self-destruction unit outputs voltage for burning the sensitive device unit;
after the processor unit receives the buoy recovery signal, the processor unit controls the self-destruction unit to cut off the electric energy provided by the underwater robot;
when the processor unit receives the immediate self-destruction signal, the processor unit controls the self-destruction unit to be powered on, and the self-destruction unit immediately outputs the voltage for burning the sensitive device unit.
2. The device for self-destroying hardware after the buoy is disconnected from the cable according to claim 1, wherein the self-destroying unit comprises a disconnection detection module, a single chip microcomputer, an energy storage module and a self-destroying switch;
the disconnection detection module is used for detecting a positive core wire of the power supply, a negative core wire of the power supply and detecting the level state of the core wires;
the single chip microcomputer is used for powering on or powering off under the control of the processor unit, wherein when the single chip microcomputer is powered on, if the level states of any two of the power supply positive core wire, the power supply negative core wire and the detection core wire are not consistent with a preset state or the processor unit receives an immediate self-destruction signal, the single chip microcomputer switches on the self-destruction switch;
the energy storage module is connected with the electric energy provided by the underwater robot through the power positive core wire and the power negative core wire and stores energy, and the energy storage module is used for outputting voltage to the sensitive device unit after the self-destruction switch is switched on.
3. The self-destruction device for hardware after the buoy is disconnected from the cable according to claim 2, wherein the detection level of the detection core wire is provided by a negative pole of a power supply of the underwater robot connected with a negative core wire of the power supply.
4. The self-destruction device of claim 3, wherein the predetermined state is a high level state of the positive core wire of the power supply, and a low level state of the negative core wire of the power supply and the detection core wire.
5. The self-destruction device for hardware after the buoy is disconnected from the cable as claimed in claim 2, wherein the detection level of the detection core line is provided by a power supply anode of the underwater robot connected with the power supply anode core line.
6. The self-destruction device for hardware after the buoy is disconnected from the cable as claimed in claim 2, wherein the detection level of the detection core line is provided by a detection level output end of the underwater robot, and the detection level output end is used for outputting a stable level.
7. The apparatus as claimed in claim 5 or 6, wherein the predetermined status is that the power supply positive core line and the detection core line are at high level, and the power supply negative core line is at low level.
8. The self-destruction device for hardware after the buoy is disconnected from the cable according to claim 1, wherein the sensitive device unit comprises a communication module, a positioning module, a data acquisition module or a data storage module.
9. The self-destruction device for hardware after the buoy cable is broken as claimed in claim 1, wherein the power supply positive core wire, the power supply negative core wire and the detection core wire have the same thickness, and in the watertight cable, the power supply positive core wire, the power supply negative core wire and the detection core wire are thickest.
10. The self-destruction device of claim 2, wherein the energy storage module is an energy storage capacitor.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103342153A (en) * 2013-06-28 2013-10-09 交通运输部水运科学研究所 Underwater oil spillage tracking and detecting buoy system capable of tracking and warning semi-submersible oil
CN108045530A (en) * 2017-12-04 2018-05-18 国网山东省电力公司电力科学研究院 A kind of submarine cable detection underwater robot and operational method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015187742A2 (en) * 2014-06-02 2015-12-10 California Institute Of Technology Controllable buoys and networked buoy systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103342153A (en) * 2013-06-28 2013-10-09 交通运输部水运科学研究所 Underwater oil spillage tracking and detecting buoy system capable of tracking and warning semi-submersible oil
CN108045530A (en) * 2017-12-04 2018-05-18 国网山东省电力公司电力科学研究院 A kind of submarine cable detection underwater robot and operational method

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