Summary of the invention
Object of the present invention is providing a kind of ship's fire fighting control system improving interactive capability based on modularized design,
The object of the present invention is achieved like this:
The present invention includes power module, control module, input module, power model, wind oil module and display module, control module, input module, power model, wind oil module is connected with the power bus that display module and power module control, and all modules and CAN are connected to form network, and input module is connected with fire signal checkout gear, power model and fire-suppressant gas applicator, training gas applicator, evacuate warning device, fire extinguishing is discharged to report to the police and is connected, wind oil module and blower fan, oil pump is connected, display module and color LCD screen, button, buzzer is connected, and input module sends the key information that the fire signal detected and display module detect to control module, is divided by process information and give power model after control module carries out analyzing and processing, wind oil module and display module, power model carries out fire-suppressant gas and discharges, training gas discharges, evacuate report to the police and fire extinguishing discharge alarm operation, wind oil module carry out blower fan and oil pump rupturing operation, display module by information displaying on liquid crystal display.
Described power model can also detect the disconnection fault that circuit is discharged in fire extinguishing, and fault-signal is sent to control module, and control module sends display module to and carries out showing and alarm.
Described power module has main power source interface and auxiliary power interface; power module is with the seamless automatic switching control equipment of two dc power supply of power supply state monitoring function; when main power source and auxiliary power supply are all normal or when only having main power source normal; power module exports main power source and supplies the use of other modules; when main power source occurs extremely and auxiliary power supply is normal; the output switching of power module is auxiliary power supply, ensures that other modules normally work.
Described main power source and auxiliary power supply provide 24V direct current.
Described control module comprises microcontroller, gathers voltage by the A/D module in microcontroller.
Beneficial effect of the present invention is: the actual demand controlled according to ship's fire fighting, be power module, control module, input module, power model, wind oil module and display module by this control system Function Decomposition, all kinds of functions of modules is fixed, can combine flexibly according to the difference of fire-fighting fire extinguishing scope, effectively can control cost, also can meet the fire-fighting demand for control of not shipmate type.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
For the deficiencies in the prior art, provide the ship's fire fighting control system based on modularized design, signal monitoring, signal transacting, fire extinguishing are discharged and realized by each submodule with functions such as information displaying, and each module take microcontroller as core; All submodules are by CAN interconnected one-tenth entirety.Design of the present invention is convenient to expansion, and interactive capability is strong, can be applicable to various marine vessel applications.
The present invention is achieved by the following technical solutions, the present invention includes: power module, control module, input module, power model, wind oil module, display module.Power module is with the seamless automatic switching control equipment of two dc power supply of power supply state monitoring function, identify outside operable reliable source of power then to power to whole system, main power source is powered under normal circumstances, when main power source occurs abnormal, pass through electric circuit inspection, transfer working power seamless switching to auxiliary power supply, power module internal microcontroller gathers the information of main and auxiliary Power supply simultaneously, transfers to control module by CAN.Control module connects modules, is the hinge of whole system, mainly realizes controlling, calculating and the transmission of information, analyzes the information collected, and analysis result is sent to power model, wind oil module and display module and processes.Input module gathers outside fire signal, detects with or without fire, and sends the information detected to control module in real time.Power model control fire extinguishing is discharged, evacuate warning and the operations such as warning are discharged in fire extinguishing, receive the information that control module transmits, if any fire extinguishing signal, then carry out the power stage of respective channel, carry out evacuation warning by certain sequential, fire extinguishing is discharged and warning is discharged in fire extinguishing.Wind oil cuts off output module and realizes controlling blower fan oil pump, when there being fire extinguishing signal, controlling the switch of blower fan oil pump, makes oil pump fuel cut-off thus ship's speed is controlled, and convenient fire extinguishing, to avoid larger fire; Display module realizes man-machine interaction by external chromatic liquid crystal screen, button and buzzer, current each channel information is presented on liquid crystal display, and Real-Time Monitoring staff is by the information of key-press input, send operation information to control module, simultaneously breaking down, buzzing prompting can be carried out after fire or maloperation.
The course of work of the present invention and operation principle are: 1. the present invention is by as a whole to a power module, control module, some input modules, some power models, some wind oil module and some display modules composition, power module distributes to all the other modules after identifying outside operable reliable source of power, control module is the core of whole system, all modules form an Information Network by CAN, Real-time Collection and analysis current information, ensure whole fire-fighting system reliability service.2. input module is connected with fire signal checkout gear, power model with fire-suppressant gas applicator, train gas applicator, evacuate warning device, put out a fire and discharge warning device and be connected, wind oil module is connected with blower fan, oil pump, and display module is connected with color LCD screen, button, buzzer.Input module gathers fire signal, display module detects key information, power model detects output loop and whether there is disconnection fault, they send by CAN the information collected to control module, after control module processes by analysis by result by CAN be sent to power model and wind oil module implement, current information is sent on display module simultaneously and carries out state display.
As shown in Figure 1, the present invention includes: a power module, control module, some input modules, some power models, some wind oil module and some display modules.Wherein control module is the core of whole system, carries out data analysis; Power module ensures the reliable power supply of whole system, when main power source occurs abnormal, seamlessly switches to auxiliary Power supply state; Input module gathers fire signal, is the primary information resource module of whole system; Power model and wind oil module realize exporting response, and power model execution fire-suppressant gas discharges, train gas to discharge, evacuate warning and the operations such as warning are discharged in fire extinguishing, and wind oil module performs the rupturing operation of blower fan and oil pump; Display module realizes man-machine interaction, the operation of testing personnel, is presented at above liquid crystal display by each channel information simultaneously.
1. power module take microcontroller as core, and module has duplex feeding passage, is respectively primary and secondary power, thus ensures the reliability of Power supply.The primary and secondary power of AM access module is all 24V direct current.Power module includes seamless switching circuit, when primary and secondary power is powered simultaneously, by the switch of the metal-oxide-semiconductor in commutation circuit, ensure that main power source supplying module is inner, and auxiliary power supply is in dissengaged positions, when main power voltage exceeds given voltage scope, main power source cuts off and transfers auxiliary Power supply to, also can normal reliable run when seamless switching circuit can ensure to only have primary and secondary power to power separately simultaneously.The power distribution exported after commutation circuit powers to all the other modules by power module, and the information transmission that main and auxiliary power supply is powered respectively, to microcontroller, identifies the power channel used.The 24V direct current exported through commutation circuit supplies the use of other modules, is converted to 5V for chip power supply in microcontroller and module in power module through power management chip simultaneously.Power module adopts CAN communication, and by CAN and all the other module communications, by CAN, the power information of current use is transferred to control module, control module can send display module to and show.
2. control module take microcontroller as core, and the 24V that module adopts power module to export powers, and transfers voltage to 5V supply chip in microcontroller and module by power management chip.Control module adopts CAN communication, by CAN and all the other module communications.In control module, the information of fire-fighting system is stored with the form of state table, gather the information from control panel, remote control panel, input module and power module, by analysis process after again current information and control overflow are divided give power model and wind oil module process, send to display module to show simultaneously.
3. input module take microcontroller as core, and the 24V that module adopts power module to export powers, and transfers voltage to 5V supply chip in microcontroller and module by power management chip.Each input module has 8 input channels, and each input channel has two ports, and one end ground connection, one end is connected to microcontroller after signal condition in addition.In the circuit of fire-fighting system, be provided with the passive switch often opened, without the need to external control, when air pressure change being detected, switch closes.If directly carry out the collection of switching value, because signals collecting circuit is long, its conductor resistance value can not be ignored, and wire can produce to a certain degree pressure drop or boosting to a certain degree, the switching value arriving microcontroller is not desirable switching value, and microcontroller may produce erroneous judgement.Consider this factor, the present invention does not directly carry out the collection of switching value, and adopts A/D module collection.As shown in Figure 2, after external switch is closed, what input module collected is low-voltage, and when the switches are opened, what input module collected be through 5V dividing potential drop obtains V1, be sent in microcontroller after the voltage collected is carried out voltage follow and carry out AD conversion, by V1 compared with microcontroller reference voltage V2, when V1 is lower than judging during V2 that switch closes, otherwise be then disconnect, thus completing the collection of input quantity, this method effectively prevent the impact of conductor resistance.Each input simultaneously, by being furnished with LED light, shows the current state of each passage.Input module adopts CAN communication, by CAN and all the other module communications, sends the information collected to control module.
4. power model take microcontroller as core, and the 24V that module adopts power module to export powers, and transfers voltage to 5V supply chip in microcontroller and module by power management chip.Power model realizes fire-suppressant gas and discharges, trains gas to discharge, evacuates warning, puts out a fire and discharge the functions such as warning.Each power model has 8 outputs, the output terminals A end of each passage is connected with actuator with B end, as shown in Figure 3, wherein A termination 24V, B end is connected to the grid of metal-oxide-semiconductor, power model controls to export by the switch controlling metal-oxide-semiconductor, if enable power exports, then CHANNEL put by microcontroller is high level, optocoupler is driven through buffer, the conducting of optocoupler output, the grid voltage of metal-oxide-semiconductor reaches conducting voltage, its drain electrode and source conduction, now the B end of output is connected to the ground, so just, 24V and 0V has been received respectively the two ends of actuator, actuate actuators.An actuator broken circuit detection circuit is had in the rear end of output circuit, because general execution device is electromagnetic actuator, when there is no power stage (metal-oxide-semiconductor cut-off), B end is equivalent to wire with A end and is directly connected, then B terminal voltage is also 24V, optocoupler output conducting now in testing circuit, Level-Judge place voltage is low level, now shows that actuator circuit is normal; When open circuit appears in circuit, B end is unsettled, and optocoupler output ends, Level-Judge place voltage is high level, thus reaches Detection results, it should be noted that, can detect that when power stage Level-Judge place voltage is high level equally, now need to shield breakage detection function.Each passage of power model is furnished with LED light, and when there being power stage, corresponding indicator lamp can be lit and point out, and after there is disconnection fault, corresponding indicator lamp carries out flash for prompting.Power model adopts CAN communication, by CAN and all the other module communications, sends disconnection fault information to control module, and receives the information that control module transmits, and carries out corresponding output enable according to information.
5. wind oil module take microcontroller as core, and the 24V that module adopts power module to export powers, and transfers voltage to 5V supply chip in microcontroller and module by power management chip.Wind oil module carries out the cutting-off controlling of blower fan and oil pump, and each wind oil module has 8 tunnels to export.For the control of blower fan oil pump, output needs to bear high pressure, big current, the way of output that the present invention adopts is switching regulator, realized by high power relay, relay belongs to open in usual, and when not exporting, each output is side a and b is disconnect, when output enable, output terminals A and output B are joined together to form path.Wind oil module adopts CAN communication, by CAN and all the other module communications, receives the information that control module transmits, carries out corresponding output enable according to information.
6. display module take microcontroller as core, and the 24V that module adopts power module to export powers, and transfers voltage to 5V supply chip in microcontroller and module by power management chip.Display module mainly realizes receiving key-press input, controlling color liquid crystal plate and these three functions of status alert, and user inputs information by manipulation control panel or remote control panel.Display module adopts CAN communication, by CAN, the key information detected is sent to control module, receive the information of control module simultaneously, current state is shown on liquid crystal display, if there is fault or maloperation, display module can drive buzzer to carry out alarm.