CN107132828B - Marine hydraulic watertight door control system and method - Google Patents
Marine hydraulic watertight door control system and method Download PDFInfo
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- CN107132828B CN107132828B CN201710516174.7A CN201710516174A CN107132828B CN 107132828 B CN107132828 B CN 107132828B CN 201710516174 A CN201710516174 A CN 201710516174A CN 107132828 B CN107132828 B CN 107132828B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/4186—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by protocol, e.g. MAP, TOP
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4188—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by CIM planning or realisation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/22—Pc multi processor system
- G05B2219/2214—Multicontrollers, multimicrocomputers, multiprocessing
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25032—CAN, canbus, controller area network bus
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25176—RS485, differential data signals, xor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25338—Microprocessor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2637—Vehicle, car, auto, wheelchair
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Abstract
The invention belongs to the technical field of marine hydraulic watertight door control, and relates to a marine hydraulic watertight door control system which comprises a cab centralized control unit and a hydraulic watertight door control unit, wherein in use, each hydraulic watertight door is provided with a hydraulic watertight door control unit, the number of the hydraulic watertight door control units is determined by the number of the hydraulic watertight doors on a ship, and then the hydraulic watertight door control units are uniformly controlled by the cab centralized control unit. As shown in fig. 1, the console centralized control unit and the hydraulic watertight door control unit are connected through two paths of independent CAN buses, and when one CAN bus fails, the other CAN bus CAN ensure normal communication. The control device can flexibly realize hardware system configuration according to the number of the hydraulic watertight doors to be controlled, each hydraulic watertight door is controlled by an independent control unit, and each control unit is provided with two independent microprocessors, so that the sailing safety of the ship is greatly improved.
Description
Technical Field
The invention belongs to the technical field of marine hydraulic watertight door control, and relates to a marine hydraulic watertight door control system and method.
Background
The watertight door for the ship is one of important equipment for guaranteeing the navigation safety of the ship, and once the part of the ship body is broken, the watertight door in a closed state can resist the ship body except for broken sections from being immersed in water, so that the ship is prevented from sinking.
The marine watertight door mainly comprises a sliding type, a hinged type and a rolling type, and can be divided into manual, electric, electro-hydraulic and the like according to a driving mode. The invention mainly aims at the marine electrohydraulic driving sliding watertight door control system, and is hereinafter called as a hydraulic watertight door for short.
At present, the existing hydraulic watertight door control system is controlled by a relay, a PLC or a singlechip; the hydraulic watertight door controlled by the relay is lower in end, logic control is realized by the relay, wiring is more, no fault diagnosis function exists, and the hydraulic watertight door is eliminated; the hydraulic watertight door controlled by the PLC has higher cost, and the control box adopted by the control system is larger because the PLC module has large volume, so that more bulkhead space is occupied; the hydraulic watertight door controlled by the single-chip microcomputer has poor flexibility, the control circuit and the indication circuit are not separated, the standard requirement cannot be met, and the hydraulic watertight door control system controlled by the independent single-chip microcomputer is not reported at present. In a word, the existing marine hydraulic watertight door control system has the problems of insufficient flexibility, poor reliability and the like.
The present patent: the utility model provides a marine hydraulic watertight door electric control device and method, CN 102945036A adopts the singlechip control to adopt the mode of main module plus expansion module to solve the poor problem of flexibility, but in case the main module breaks down and will lead to whole boats and ships all watertight door to lose control, the potential safety hazard is huge, does not accord with the class society specification requirement.
Disclosure of Invention
Aiming at the problems, the invention provides a marine hydraulic watertight door control system, which can flexibly realize hardware system configuration according to the number of the hydraulic watertight doors to be controlled, each hydraulic watertight door is controlled by an independent control unit, and each control unit is provided with two independent microprocessors, so that the sailing safety of the ship is greatly improved.
According to the technical scheme of the invention: a marine hydraulic watertight door control system is characterized in that: the hydraulic watertight door control system comprises a cab centralized control unit and a plurality of hydraulic watertight door control units, wherein the number of the hydraulic watertight door control units is determined by the number of hydraulic watertight doors on a ship, each hydraulic watertight door is provided with one hydraulic watertight door control unit, and the cab centralized control unit is connected with the hydraulic watertight door control units through two independent CAN buses; the second communication interfaces of the cab centralized control unit lead out a first CAN bus and a second CAN bus which are mutually independent, and the plurality of hydraulic watertight door control units are sequentially connected to the first CAN bus and the second CAN bus through the respective first communication interfaces.
As a further improvement of the invention, the hydraulic watertight door control unit comprises a switch signal input interface, a second microprocessor, a third microprocessor, a first relay output interface and a second relay output interface, wherein the switch signal input interface outputs two paths of independent signals to the second microprocessor and the third microprocessor, the first relay output interface is connected with the second microprocessor, the output state of the first relay output interface is controlled by the second microprocessor, the second relay output interface is connected with the third microprocessor, the output state of the second relay output interface is controlled by the third microprocessor, and the third microprocessor is communicated with the second microprocessor through an isolated communication interface and periodically transmits handshake communication signals; a reset relay is further arranged between the third microprocessor and the second microprocessor, when the second microprocessor fails, the third microprocessor resets the second microprocessor through the reset relay, the second microprocessor is connected with the third microprocessor through a signal line, and when the third microprocessor fails, the second microprocessor sends out a communication failure alarm indication; the second microprocessor is connected with the first communication interface, and is also connected with a first dial switch and a first OLED display screen; the hydraulic watertight door control unit is powered by the first power module.
As a further improvement of the invention, the signal line between the second microprocessor and the third microprocessor is connected with a first remote control door closing signal interface.
As a further improvement of the invention, the first dial switch is used for setting the communication address of each controlled hydraulic watertight door control unit, and the first OLED display screen is used for displaying the communication address of the controlled hydraulic watertight door and various alarm state signals of the output interface of the first relay.
As a further improvement of the invention, the console centralized control unit comprises a first microprocessor, a third communication interface, a second OLED display screen, a third relay output interface, a second dial switch, a second communication interface and a second remote control door closing signal interface, wherein the third communication interface, the second OLED display screen, the third relay output interface, the second dial switch, the second communication interface and the second remote control door closing signal interface are all connected with the first microprocessor, the third relay output interface is used for outputting the state of each controlled hydraulic watertight door, and the second remote control door closing signal interface is used for receiving the remote control door closing signal sent by the console centralized control unit.
As a further improvement of the invention, the third communication interface comprises two mutually independent 485 bus communication ports, the second OLED display screen is used for circulating alarm state signals of each controlled hydraulic watertight door, and the second dial switch is used for setting the number of the controlled hydraulic watertight door control units hung under the console centralized control unit.
As a further development of the invention, the driver's cabin centralized control unit is powered by a second power module.
The invention also discloses a marine hydraulic watertight door control method, which is characterized in that: the hydraulic watertight door control system comprises a cab centralized control unit, wherein two mutually independent CAN buses I and CAN buses II are led out from a second communication interface of the cab centralized control unit, a plurality of hydraulic watertight door control units are connected to the CAN buses I and CAN buses II, and the number of the hydraulic watertight door control units is equal to that of hydraulic watertight doors on a ship; the control unit of the driving platform obtains a switch signal and an alarm signal of the lower hanging hydraulic watertight door through the CAN bus I or the CAN bus II.
As a further improvement of the invention, the hydraulic watertight door control unit comprises a first relay output interface, a second relay output interface, a switching signal input interface, a second microprocessor, a third microprocessor, a reset relay, an isolated communication interface, a first remote control door closing signal interface, a first dial switch, a first OLED display screen and a first power supply module;
the switch signal input interface is used for acquiring a switch value signal of the controlled hydraulic watertight door, and can respectively output two paths of independent signals to the second microprocessor and the third microprocessor through a relay or an optical coupler isolator, wherein the fault of one microprocessor does not influence the signal received by the other microprocessor;
the first relay output interface is used for indicating the current state of the controlled hydraulic watertight door, the current state of the hydraulic watertight door can be respectively indicated by connecting the indicating lamp to the corresponding first relay output interface, and the output state of the first relay output interface is controlled by the second microprocessor;
the second relay output interface is used for controlling output of the controlled hydraulic watertight door, the control of opening the electromagnetic valve and closing the electromagnetic valve of the controlled hydraulic watertight door is realized by connecting a control coil of the electromagnetic valve to the second relay output interface, and the output state of the second relay output interface is controlled by the third microprocessor;
the second microprocessor is used for the state indication and communication control of the controlled hydraulic watertight door, acquires various state signals of the controlled hydraulic watertight door through the switch signal input interface, and then outputs the current state of the controlled hydraulic watertight door through the first relay output interface;
the third microprocessor is used for controlling the output of the controlled hydraulic watertight door, acquiring opening and closing and remote control closing request signals of the controlled hydraulic watertight door through a switch signal input interface, and controlling the opening and closing of the hydraulic watertight door through the signals;
the third microprocessor is communicated with the second microprocessor through the isolation communication interface to send handshake communication signals at fixed time, when the second microprocessor fails, the third microprocessor can reset the second microprocessor through the reset relay, and when the third microprocessor fails, the second microprocessor can timely send out communication failure alarm indication;
the isolated communication interface is used for a channel for the second microprocessor and the third microprocessor to send handshake communication signals at fixed time;
the first communication interface comprises two paths of independent CAN bus communication ports and is used for communicating with the cab centralized control unit, when one path is damaged, the other path is not influenced, and when one path is failed, the second microprocessor CAN timely send out a communication failure alarm indication;
the first remote control door closing signal is used for receiving a remote control door closing signal sent by the console centralized control unit; when the third microprocessor receives a remote control door closing request signal, the third microprocessor can control the remote control closing of the hydraulic watertight door;
the first dial switch is used for setting communication addresses of all the controlled hydraulic watertight door control units, and when the cab centralized control unit communicates with the controlled hydraulic watertight door control units through the first communication interface, the communication addresses can distinguish which hydraulic watertight door information is acquired;
the first OLED display screen is used for displaying the communication address of the controlled hydraulic watertight door and various alarm state signals displayed by the output interface of the first relay;
the first power supply module comprises two independent power supply modules and is used for supplying power to the hydraulic watertight door control unit, when one module fails, the power supply of the other module is not affected, and meanwhile, the second microprocessor can timely send out comprehensive fault alarm prompt.
As a further improvement of the invention, the first microprocessor, the third relay output interface, the second communication interface, the second remote control door closing signal interface, the third communication interface, the second OLED display screen, the second dial switch and the second power supply module;
the third relay output interface is used for outputting the state of each controlled hydraulic door, and the indication lamp is connected to the corresponding third relay output interface to indicate whether each hydraulic watertight door has fault alarm or not;
the second communication interface comprises two paths of independent CAN bus communication ports, and the driving console centralized control unit is connected with the first communication interfaces of the hydraulic watertight doors through the second communication interfaces and is used for controlling and communicating status signals of the hydraulic watertight doors;
the second remote control door closing signal is used for receiving a remote control door closing signal sent by a button of the centralized control unit of the driving platform, and the signal is also connected with a first remote control door closing signal interface of each hydraulic watertight door control unit at the same time and used for controlling each hydraulic door control unit to remotely close the door;
the third communication interface comprises two independent 485 bus communication ports, wherein one port is used for sending state information of the hydraulic watertight door to the marine VDR interface and recording the state of the hydraulic watertight door when the ship sails, and the other port is used for sending an alarm state of the hydraulic watertight door to the cabin alarm monitoring room, so that a shipman can conveniently monitor whether each hydraulic watertight door has an alarm in real time;
the second OLED display screen is used for circularly displaying alarm state signals of each controlled hydraulic watertight door;
the second dial switch is used for setting the number of the hydraulic watertight door control units hung under the console centralized control unit so that the console centralized control unit can circularly read the state information of each controlled hydraulic watertight door;
the second power supply module is used for supplying power to the cab centralized control unit.
The invention has the technical effects that: the product of the invention adopts 2 paths of independent communication buses, each hydraulic watertight door control unit is provided with two independent microprocessors for control, the centralized control unit of the driving platform can also adopt hard wires for remote control to close the door when invalid, and the control of other doors is not influenced even if one door fails, so that the reliability is high; the hardware can be configured according to the number of hydraulic watertight doors on the ship, and the expansion is flexible; the replacement and maintenance are convenient, and when the system fails, the standby control unit can be replaced at any time, so that the modular design is realized; due to the adoption of the modularized design, the cost is lower than that of a hydraulic watertight door system controlled by a PLC.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a hydraulic watertight door control unit according to the present invention.
Fig. 3 is a schematic structural diagram of a centralized control unit for a driver's cab in the present invention.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
In fig. 1 to 3, the remote control door closing device comprises a first relay output interface 1, a second relay output interface 2, a switch signal input interface 3, a second microprocessor 4, a third microprocessor 5, a reset relay 6, an isolation communication interface 7, a first communication interface 8, a first remote control door closing signal interface 9, a first dial switch 10, a first OLED display screen 11, a first power module 12, a first microprocessor 13, a third relay output interface 14, a second communication interface 15, a second remote control door closing signal interface 16, a third communication interface 17, a second OLED display screen 18, a second dial switch 19, a second power module 20, a CAN bus one 21, a CAN bus two 22 and the like.
As shown in fig. 1-3, the invention relates to a marine hydraulic watertight door control system, which comprises a cab centralized control unit and a plurality of hydraulic watertight door control units, wherein the number of the hydraulic watertight door control units is determined by the number of hydraulic watertight doors on a ship, each hydraulic watertight door is provided with one hydraulic watertight door control unit, and the cab centralized control unit is connected with the hydraulic watertight door control units through two independent CAN buses; the second communication interface 15 of the console centralized control unit leads out a first CAN bus 21 and a second CAN bus 22 which are mutually independent, and the plurality of hydraulic watertight door control units are sequentially connected to the first CAN bus 21 and the second CAN bus 22 through the respective first communication interfaces 8.
The hydraulic watertight door control unit comprises a switch signal input interface 3, a second microprocessor 4, a third microprocessor 5, a first relay output interface 1 and a second relay output interface 2, wherein the switch signal input interface 3 outputs two paths of independent signals to the second microprocessor 4 and the third microprocessor 5, the first relay output interface 1 is connected with the second microprocessor 4, the output state of the first relay output interface 1 is controlled by the second microprocessor 4, the second relay output interface 2 is connected with the third microprocessor 5, the output state of the second relay output interface 2 is controlled by the third microprocessor 5, and the third microprocessor 5 is communicated with the second microprocessor 4 through an isolation communication interface 7 and periodically transmits handshake communication signals; a reset relay 6 is further arranged between the third microprocessor 5 and the second microprocessor 4, when the second microprocessor 4 fails, the third microprocessor 5 resets the second microprocessor 4 through the reset relay 6, the second microprocessor 4 is further connected with the third microprocessor 5 through a signal line, and when the third microprocessor 5 fails, the second microprocessor 4 sends out a communication failure alarm indication; the second microprocessor 4 is connected with the first communication interface 8, and the second microprocessor 4 is also connected with the first dial switch 10 and the first OLED display screen 11; the hydraulic watertight door control unit is powered by the first power module 12.
The signal line between the second microprocessor 4 and the third microprocessor 5 is connected with a first remote control door closing signal interface 9.
The first dial switch 10 is used for setting communication addresses of all the controlled hydraulic watertight door control units, and the first OLED display screen 11 is used for displaying the communication addresses of the controlled hydraulic watertight doors and various alarm state signals of the first relay output interface 1.
The cab centralized control unit comprises a first microprocessor 13, a third communication interface 17, a second OLED display screen 18, a third relay output interface 14, a second dial switch 19, a second communication interface 15 and a second remote control door closing signal interface 16, wherein the third communication interface 17, the second OLED display screen 18, the third relay output interface 14, the second dial switch 19, the second communication interface 15 and the second remote control door closing signal interface 16 are all connected with the first microprocessor 13, the third relay output interface 14 is used for outputting the state of each controlled hydraulic watertight door, and the second remote control door closing signal interface 16 is used for receiving remote control door closing signals sent by the cab centralized control unit.
The third communication interface 17 comprises two mutually independent 485 bus communication ports, the second OLED display screen 18 is used for circulating alarm state signals of each controlled hydraulic watertight door, and the second dial switch 19 is used for setting the number of the controlled hydraulic watertight door control units hung under the cab centralized control unit.
The cab integrated control unit is powered by the second power module 20.
The marine hydraulic watertight door control method comprises a driving platform centralized control unit, wherein two mutually independent CAN buses 21 and 22 are led out from a second communication interface 15 of the driving platform centralized control unit, a plurality of hydraulic watertight door control units are connected to the CAN buses 21 and 22, and the number of the hydraulic watertight door control units is equal to that of the marine hydraulic watertight doors; the control unit of the driving platform acquires a switch signal and an alarm signal of the lower hanging hydraulic watertight door through the first CAN bus 21 or the second CAN bus 22.
The hydraulic watertight door control unit comprises a first relay output interface 1, a second relay output interface 2, a switching signal input interface 3, a second microprocessor 4, a third microprocessor 5, a reset relay 6, an isolation communication interface 7, a first communication interface 8, a first remote control door closing signal interface 9, a first dial switch 10, a first OLED display screen 11 and a first power supply module 12;
the switch signal input interface 3 is used for acquiring a switch value signal of the controlled hydraulic watertight door, and can output two paths of independent signals to the second microprocessor 4 and the third microprocessor 5 respectively through a relay or an optical coupler in an isolated manner, wherein the fault of one microprocessor does not influence the receiving signal of the other microprocessor;
the first relay output interface 1 is used for indicating the current state of the controlled hydraulic watertight door, and the current state of the hydraulic watertight door can be respectively indicated by connecting the indicating lamp to the corresponding first relay output interface 1, and the output state of the first relay output interface 1 is controlled by the second microprocessor 4;
the second relay output interface 2 is used for controlling output of the controlled hydraulic watertight door, the control of opening the electromagnetic valve and closing the electromagnetic valve of the controlled hydraulic watertight door is realized by connecting a control coil of the electromagnetic valve to the second relay output interface 2, and the output state of the second relay output interface 2 is controlled by the third microprocessor 5;
the second microprocessor 4 is used for the state indication and communication control of the controlled hydraulic watertight door, the second microprocessor 4 obtains various state signals of the controlled hydraulic watertight door through the switch signal input interface 3, and then the current state of the controlled hydraulic watertight door is output through the first relay output interface 1;
the third microprocessor 5 is used for controlling the output of the controlled hydraulic watertight door, the third microprocessor 5 obtains the opening, closing and remote control closing request signals of the controlled hydraulic watertight door through the switch signal input interface 3, and the opening and closing of the hydraulic watertight door are controlled through the signals;
the third microprocessor 5 communicates with the second microprocessor 4 through the isolated communication interface 7 to send handshake communication signals at regular time, when the second microprocessor 4 fails, the third microprocessor 5 can reset the second microprocessor 4 through the reset relay 6, and when the third microprocessor 5 fails, the second microprocessor 4 can timely send out communication failure alarm indication;
the isolated communication interface 7 is used for a channel for the second microprocessor 4 and the third microprocessor 5 to send handshake communication signals at regular time;
the first communication interface 8 comprises two paths of independent CAN bus communication ports and is used for communicating with the cab centralized control unit, when one path is damaged, the other path is not influenced, and when one path is failed, the second microprocessor 4 CAN timely send out a communication failure alarm indication;
the first remote control door closing signal 9 is used for receiving a remote control door closing signal sent by the console centralized control unit; when the third microprocessor 5 receives a remote control door closing request signal, the remote control closing of the hydraulic watertight door can be controlled;
the first dial switch 10 is used for setting communication addresses of all the controlled hydraulic watertight door control units, and when the cab centralized control unit communicates with the controlled hydraulic watertight door control units through the first communication interface 8, the communication addresses can distinguish which hydraulic watertight door information is acquired;
the first OLED display screen 11 is used for displaying the communication address of the controlled hydraulic watertight door and various alarm state signals shown by the first relay output interface 1;
the first power module 12 comprises two independent power modules for supplying power to the hydraulic watertight door control unit, when one module fails, the power supply of the other module is not affected, and meanwhile, the second microprocessor 4 can timely send out comprehensive fault alarm prompt.
The first microprocessor 13, the third relay output interface 14, the second communication interface 15, the second remote control door closing signal interface 16, the third communication interface 17, the second OLED display screen 18, the second dial switch 19 and the second power module 20;
the third relay output interface 14 is used for outputting the state of each controlled hydraulic gate, and by connecting the indicator lamp to the corresponding third relay output interface 14, whether each hydraulic watertight gate has a fault alarm or not can be indicated;
the second communication interface 15 comprises two paths of independent CAN bus communication ports, and the driving console centralized control unit is connected with the first communication interfaces 8 of the hydraulic watertight doors through the second communication interface 15 and is used for controlling and communicating status signals of the hydraulic watertight doors;
the second remote control door closing signal 16 is used for receiving a remote control door closing signal sent by a button of the centralized control unit of the cab, and the signal is also connected with the first remote control door closing signal interface 9 of each hydraulic watertight door control unit at the same time and used for controlling each hydraulic door control unit to remotely close the door;
the third communication interface 17 comprises two independent 485 bus communication ports, one of which is used for sending the state information of the hydraulic watertight door to the marine VDR interface and recording the state of the hydraulic watertight door when the ship sails, and the other is used for sending the alarm state of the hydraulic watertight door to the cabin alarm monitoring room, so that a shipman can conveniently monitor whether each hydraulic watertight door has an alarm in real time;
the second OLED display screen 18 is used for circularly displaying alarm state signals of each controlled hydraulic watertight door; the second dial switch 19 is used for setting the number of the hydraulic watertight door control units hung under the console centralized control unit so that the console centralized control unit can circularly read the state information of each controlled hydraulic watertight door;
the second power module 20 is used for supplying power to the console centralized control unit.
The microprocessor in the product of the invention is a programmable control singlechip, the CAN bus is a short for controlling local area network, is a bus of a serial communication protocol applied in real time, CAN transmit signals by twisted pair, is a high-performance and reliable bus which is already approved, and is widely applied to the fields of automobiles, ships and industrial control.
Claims (8)
1. A marine hydraulic watertight door control system is characterized in that: the hydraulic watertight door control system comprises a cab centralized control unit and a plurality of hydraulic watertight door control units, wherein the number of the hydraulic watertight door control units is determined by the number of hydraulic watertight doors on a ship, each hydraulic watertight door is provided with one hydraulic watertight door control unit, and the cab centralized control unit is connected with the hydraulic watertight door control units through two independent CAN buses; a first CAN bus (21) and a second CAN bus (22) which are mutually independent are led out from a second communication interface (15) of the cab centralized control unit, and a plurality of hydraulic watertight door control units are sequentially connected to the first CAN bus (21) and the second CAN bus (22) through respective first communication interfaces (8);
the hydraulic watertight door control unit comprises a switch signal input interface (3), a second microprocessor (4), a third microprocessor (5), a first relay output interface (1) and a second relay output interface (2), wherein the switch signal input interface (3) outputs two paths of independent signals to the second microprocessor (4) and the third microprocessor (5), the first relay output interface (1) is connected with the second microprocessor (4), the output state of the first relay output interface (1) is controlled by the second microprocessor (4), the second relay output interface (2) is connected with the third microprocessor (5), the output state of the second relay output interface (2) is controlled by the third microprocessor (5), and the third microprocessor (5) is communicated with the second microprocessor (4) through an isolation communication interface (7) and regularly transmits handshake communication signals; a reset relay (6) is further arranged between the third microprocessor (5) and the second microprocessor (4), when the second microprocessor (4) fails, the third microprocessor (5) resets the second microprocessor (4) through the reset relay (6), the second microprocessor (4) is further connected with the third microprocessor (5) through a signal line, and when the third microprocessor (5) fails, the second microprocessor (4) sends out a communication failure alarm indication; the second microprocessor (4) is connected with the first communication interface (8), and the second microprocessor (4) is also connected with the first dial switch (10) and the first OLED display screen (11); the hydraulic watertight door control unit is powered by a first power module (12).
2. The marine hydraulic watertight door control system of claim 1 wherein: and a signal line between the second microprocessor (4) and the third microprocessor (5) is connected with a first remote control door closing signal interface (9).
3. The marine hydraulic watertight door control system of claim 1 wherein: the first dial switch (10) is used for setting communication addresses of all controlled hydraulic watertight door control units, and the first OLED display screen (11) is used for displaying the communication addresses of the controlled hydraulic watertight doors and various alarm state signals of the first relay output interface (1).
4. The marine hydraulic watertight door control system of claim 1 wherein: the control system comprises a cab centralized control unit and is characterized in that the cab centralized control unit comprises a first microprocessor (13), a third communication interface (17), a second OLED display screen (18), a third relay output interface (14), a second dial switch (19), a second communication interface (15) and a second remote control door closing signal interface (16), wherein the third communication interface (17), the second OLED display screen (18), the third relay output interface (14), the second dial switch (19), the second communication interface (15) and the second remote control door closing signal interface (16) are all connected with the first microprocessor (13), the third relay output interface (14) is used for outputting the states of all controlled hydraulic watertight doors, and the second remote control door closing signal interface (16) is used for receiving remote control door closing signals sent by the cab centralized control unit.
5. The marine hydraulic watertight door control system of claim 4 wherein: the third communication interface (17) comprises two mutually independent 485 bus communication ports, the second OLED display screen (18) is used for circulating alarm state signals of each controlled hydraulic watertight door, and the second dial switch (19) is used for setting the number of the controlled hydraulic watertight door control units hung under the cab centralized control unit.
6. The marine hydraulic watertight door control system of claim 1 wherein: the cab centralized control unit is powered by a second power module (20).
7. The marine hydraulic watertight door control method is characterized in that: the hydraulic watertight door control system comprises a cab centralized control unit, wherein two mutually independent CAN buses (21) and two CAN buses (22) are led out from a second communication interface (15) of the cab centralized control unit, a plurality of hydraulic watertight door control units are connected to the CAN buses (21) and the CAN buses (22), and the number of the hydraulic watertight door control units is equal to that of hydraulic watertight doors on a ship; the control unit of the driving platform obtains a switch signal and an alarm signal of the lower hanging hydraulic watertight door through a CAN bus I (21) or a CAN bus II (22);
the hydraulic watertight door control unit comprises a first relay output interface (1), a second relay output interface (2), a switching signal input interface (3), a second microprocessor (4), a third microprocessor (5), a reset relay (6), an isolation communication interface (7), a first communication interface (8), a first remote control door closing signal interface (9), a first dial switch (10), a first OLED display screen (11) and a first power module (12);
the switching signal input interface (3) is used for acquiring a switching value signal of the controlled hydraulic watertight door, and can output two paths of independent signals to the second microprocessor (4) and the third microprocessor (5) respectively through a relay or an optical coupler in an isolated manner, wherein the fault of one microprocessor does not influence the signal receiving of the other microprocessor;
the first relay output interface (1) is used for indicating the current state of the controlled hydraulic watertight door, the current state of the hydraulic watertight door can be respectively indicated by connecting the indicating lamp to the corresponding first relay output interface (1), and the output state of the first relay output interface (1) is controlled by the second microprocessor (4);
the second relay output interface (2) is used for controlling output of the controlled hydraulic watertight door, the control of opening and closing the electromagnetic valve of the controlled hydraulic watertight door is realized by connecting a control coil of the electromagnetic valve to the second relay output interface (2), and the output state of the second relay output interface (2) is controlled by the third microprocessor (5);
the second microprocessor (4) is used for state indication and communication control of the controlled hydraulic watertight door, the second microprocessor (4) obtains various state signals of the controlled hydraulic watertight door through the switch signal input interface (3), and then the current state of the controlled hydraulic watertight door is output through the first relay output interface (1);
the third microprocessor (5) is used for controlling the output of the controlled hydraulic watertight door, the third microprocessor (5) obtains the opening and closing and remote control closing request signals of the controlled hydraulic watertight door through the switch signal input interface (3), and the opening and closing of the hydraulic watertight door are controlled through the signals;
the third microprocessor (5) is communicated with the second microprocessor (4) through the isolation communication interface (7) to send handshake communication signals at regular time, when the second microprocessor (4) fails, the third microprocessor (5) can reset the second microprocessor (4) through the reset relay (6), and when the third microprocessor (5) fails, the second microprocessor (4) can timely send out communication failure alarm indication;
the isolated communication interface (7) is used for a channel of the second microprocessor (4) and the third microprocessor (5) for sending handshake communication signals at fixed time;
the first communication interface (8) comprises two paths of independent CAN bus communication ports and is used for communicating with the cab centralized control unit, when one path is damaged, the other path is not affected, and when one path is failed, the second microprocessor (4) CAN timely send out communication failure alarm indication;
the first remote control door closing signal (9) is used for receiving a remote control door closing signal sent by the cab centralized control unit; when the third microprocessor (5) receives a remote control door closing request signal, the third microprocessor can control the remote control closing of the hydraulic watertight door;
the first dial switch (10) is used for setting communication addresses of all the controlled hydraulic watertight door control units, and when the cab centralized control unit communicates with the controlled hydraulic watertight door control units through the first communication interface (8), the communication addresses can distinguish which hydraulic watertight door information is acquired;
the first OLED display screen (11) is used for displaying the communication address of the controlled hydraulic watertight door and various alarm state signals displayed by the first relay output interface (1);
the first power supply module (12) comprises two independent power supply modules and is used for supplying power to the hydraulic watertight door control unit, when one module fails, the power supply of the other module is not affected, and meanwhile, the second microprocessor (4) can timely send out comprehensive fault alarm prompt.
8. The marine hydraulic watertight door control method of claim 7 wherein: the cab centralized control unit comprises a first microprocessor (13), a third relay output interface (14), a second communication interface (15), a second remote control door closing signal interface (16), a third communication interface (17), a second OLED display screen (18), a second dial switch (19) and a second power module (20);
the third relay output interface (14) is used for outputting the state of each controlled hydraulic door, and the indication lamp is connected to the corresponding third relay output interface (14) to indicate whether each hydraulic watertight door has a fault alarm or not;
the second communication interface (15) comprises two paths of independent CAN bus communication ports, and the driving console centralized control unit is connected with the first communication interfaces (8) of the hydraulic watertight doors through the second communication interface (15) and is used for controlling and communicating status signals of the hydraulic watertight doors;
the second remote control door closing signal (16) is used for receiving a remote control door closing signal sent by a button of the centralized control unit of the cab, and the signal is also connected with a first remote control door closing signal interface (9) of each hydraulic watertight door control unit at the same time and used for controlling each hydraulic door control unit to remotely close the door;
the third communication interface (17) comprises two independent 485 bus communication ports, one of which is used for sending the state information of the hydraulic watertight door to the marine VDR interface and recording the state of the hydraulic watertight door when the ship sails, and the other is used for sending the alarm state of the hydraulic watertight door to the cabin alarm monitoring room, so that a shipman can conveniently monitor whether each hydraulic watertight door has an alarm in real time;
the second OLED display screen (18) is used for circularly displaying alarm state signals of each controlled hydraulic watertight door;
the second dial switch (19) is used for setting the number of the hydraulic watertight door control units hung under the console centralized control unit so that the console centralized control unit can circularly read the state information of each controlled hydraulic watertight door;
the second power supply module (20) is used for supplying power to the cab centralized control unit.
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| CN201710516174.7A CN107132828B (en) | 2017-06-29 | 2017-06-29 | Marine hydraulic watertight door control system and method |
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| CN201710516174.7A CN107132828B (en) | 2017-06-29 | 2017-06-29 | Marine hydraulic watertight door control system and method |
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| CN107132828B true CN107132828B (en) | 2023-11-10 |
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