A power plant training simulation method

Abstract

The present application belongs to the technical field of ship power system training simulation method, and particularly relates to a power device training simulation method. The method comprises the following contents: based on a hot gas engine box assembly module, a simulation auxiliary module, a simulation oxygen supply system module and a simulation monitoring module, and comprises the following steps: confirming that the power supply is closed; confirming that the system power switch is opened; checking the pressure of air, purging pipeline valve and pressure reducing valve; pressurizing the liquid oxygen tank; starting the fresh water pump and liquid phase oxygen supply; simulating the starting of fuel oil barge oil supply; starting the working medium simulation system; confirming that the exhaust system is normal; opening the monitoring device and opening the load switch of the generator control cabinet; simulating the operation of the fire-fighting box; opening the air purifier and setting the cooling fan to the "program control" state; and the like. The present application is based on the hot gas engine box assembly module to construct the power core by the hot gas engine real assembly box assembly and the simulation hot gas engine box assembly, and utilizes the simulation auxiliary module and the simulation oxygen supply system module to construct the power device simulation training system.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of ship power system training simulation method, and particularly relates to a power device training simulation method. BACKGROUND

[0002] In the teaching process of the structure and principle of complex equipment and large equipment, students cannot directly complete the training teaching on the actual equipment, so they cannot more directly and intuitively obtain the required information. Therefore, in the above teaching process, introducing video, image and virtual interaction technology to realize simulation operation, principle teaching and the like becomes an effective alternative scheme. Generally, a virtual teaching training system is composed of a VR virtual information device, a virtual control device and the like, and is used to realize teaching functions such as principle and structure, virtual disassembly / maintenance and fault troubleshooting, sub-system structure composition, sub-system virtual operation and fault troubleshooting. However, the core content of the current virtual teaching training system is concentrated on a non-entity visual model for operation. In various important key equipment or systems, the operation and feeling of the local or regional equipment are important contents for ensuring the teaching quality. Therefore, it is necessary to optimize the operation mode of the virtual teaching training system. SUMMARY

[0003] The present application aims to provide a power device training simulation method which combines a heat engine generator assembly, each actual assembly simulation assembly and each simulation auxiliary assembly to realize system simulation control of complex equipment.

[0004] To achieve the above object, the present application adopts the following technical scheme.

[0005] A power device training simulation method comprises the following contents: based on a heat engine box assembly module, a simulation auxiliary module, a simulation oxygen supply system module and a simulation monitoring module, comprising the following steps:

[0006] STP1, confirming that the power box "power box power switch" is closed; confirming that the system display and control console power switch is opened, and the network power supply and the monitoring microcomputer power supply are turned on.

[0007] STP2, checking the air, purging pipeline valve and pressure reducing valve pressure; pressurizing the liquid oxygen tank; opening the fresh water system inlet and outlet box assembly ball valve, starting the fresh water pump and performing liquid phase oxygen supply.

[0008] STP3, opening the fuel system valve, simulation starting fuel transfer device and daily fuel supply module; opening the nitrogen inlet box assembly ball valve and working bottle valve; confirming that the exhaust system valve is normal, and checking that the pressure of each pressure reducing valve is normal.

[0009] STP4, the STP4 and the box monitoring device are opened, the generator control cabinet load switch is opened; the box soundproof door is closed; the following operations are simulated: the fire box is operated; the air purifier is opened; the cooling fan is in the "program control" state;

[0010] STP5, the auxiliary machine "manual / automatic" switch is set to "automatic"; the "standby vehicle" button on the display console is pressed; the hot air machine is "reset";

[0011] STP6, after the standby vehicle is completed, the "start / stop" button is pressed to start the unit;

[0012] STP7, increase and decrease power after each gear is stable;

[0013] STP8, close the oxygen supply and fuel inlet and outlet box valve; stop purging and close the nitrogen inlet box module valve; stop and close the working fluid working bottle valve; close the water pump when the temperature of the ejector is lower than the preset temperature or the unit is stopped for a preset time; close the machine monitor, fuse box and charger

[0014] The hot air machine box module comprises a hot air machine generator assembly and a box monitoring assembly

[0015] The hot air machine generator assembly comprises a simulated hot air machine and a simulated generator; the simulated hot air machine is connected with the simulated generator through an elastic coupling and is fixed on the vibration isolation device base;

[0016] The box monitoring assembly comprises a hot air machine control box, a hot air machine interface box, a hot air machine distribution box, a fuse box, a servo control box, a machine monitor, a charger, a distribution box and a generator control cabinet, which is used for simulating the control and monitoring of the hot air machine generator set and providing necessary data recording, safety interlocking and alarm functions;

[0017] The auxiliary module comprises an exhaust system installation simulation assembly, a working fluid system installation simulation assembly, a purging system installation simulation assembly, a fresh water system installation simulation assembly and a fuel system installation simulation assembly;

[0018] The fuel system installation simulation assembly is used for providing fuel and oxygen for hot air machine combustion through the fuel system and the oxygen supply system respectively. When the hot air machine is working, the fuel transfer device transfers the fuel in the oil tank to the intermediate oil tank, and the daily fuel module supplies the high-pressure oil pump with oil at a proper pressure after the high-pressure oil pump is pressurized. The fuel system runs, and the control system collects the flow signal of the fuel flowmeter, and controls the flow of the oil pump according to the power of the unit;

[0019] The oxygen supply system installation simulation assembly is used for pressurizing and gasifying the liquid oxygen in the liquid oxygen tank to provide hot air machine combustion and crew breathing;

[0020] The exhaust system installation simulation assembly is used for discharging the combustion products of the hot gas engine to the outside of the boat through the exhaust system, the exhaust system can refine the exhaust bubbles and absorb the CO2 in the bubbles through seawater, reduce the tail trace generated by the exhaust gas, and improve the concealment of the ship.

[0021] The fresh water system installation simulation assembly is used for realizing the step of cooling the circulating fresh water by seawater outside the boat, specifically, for pumping the fresh water through the water bath heater in the oxygen supply system to supply liquid oxygen pressurization and temperature increase gasification.

[0022] The purge system installation simulation assembly is used for providing necessary preparation conditions and shutdown protection for related equipment during the start-up and shutdown of the hot gas engine, and providing nitrogen gas with required pressure for other subsystems in the system. For example, hot gas engine start-up / shutdown purge, cold box and overpressure discharge pipe purge, hot gas engine igniter pneumatic device gas source, fresh water system accumulator pressure charging gas source, cold box pneumatic ball valve backup gas source.

[0023] The working medium system installation simulation assembly is used for providing the required working medium helium for the Stirling cycle of the hot gas engine during operation.

[0024] The simulated oxygen supply system module includes a cold box, an oxygen stack, a liquid oxygen tank, and an oxygen flowmeter. The liquid oxygen tank is used to store liquid oxygen, and the cold box pressurizes and gasifies the liquid oxygen to provide it to the hot gas engine for combustion and for crew breathing. The oxygen stack is an integrated channel for all out-boat pipelines of the oxygen supply system. The closed space formed by the cold box and the oxygen stack prevents oxygen leakage and diffusion to the cabin that may occur in the pipeline system.

[0025] The simulation monitoring module includes a box assembly monitoring unit, an oxygen supply system monitoring unit, an auxiliary device monitoring unit, a system control console, a system distribution cabinet, and a power supply cabinet.

[0026] The system control console includes a simulation signal generating device composed of a computer and a display, which is used to simulate the operation of all sensors and actuators of the box assembly monitoring unit, the model box assembly monitoring unit, the oxygen supply system monitoring unit, and the auxiliary device monitoring unit.

[0027] In further improvements or preferred embodiments of the aforementioned power plant training simulation method, the hot gas engine control box is the core of the monitoring unit. Through the hot gas engine interface box and the hot gas engine distribution box, the on-site sensors of the box assembly module are collected. At the same time, according to the logic control of the hot gas engine, control instructions are issued to the hot gas engine interface box and the servo control box to drive the on-site equipment, and the start / stop and operation control of the hot gas engine unit are completed.

[0028] Further improvement or preferred embodiment of the aforementioned power plant training simulation method, the charger provides power for the box module electrical equipment, and charges the battery; the battery provides a transient large current for starting and ignition, and forms an uninterrupted power supply with the charger and the fuse box as a redundant power supply for the box module monitoring unit.

[0029] Further improvement or preferred embodiment of the aforementioned power plant training simulation method, the distribution box provides power distribution function for the box module monitoring unit, provides power for the charger, provides limited power for the box cooling fan motor, condensate pump and air conditioner motor, and realizes drive and short circuit and overload protection; the fuse box controls the power on / off of the box module monitoring unit, distributes power and provides short circuit protection; the manual valve related to operation training in the system is equipped with a valve position indicator, and the valve position state can be directly displayed on the simulation system during manual operation.

[0030] Further improvement or preferred embodiment of the aforementioned power plant training simulation method, the servo control box mainly receives the oil pump motor speed control signal output by the hot gas engine monitoring box, drives the oil pump motor to control the fuel flow by the driver, receives the oxygen flow control signal from the hot gas engine monitoring box, drives the oxygen flow regulating valve to control the oxygen flow, and sends the oxygen valve position feedback signal to the hot gas engine monitoring box.

[0031] The machine-side monitor mainly controls and displays the operation of a single unit, and the display screen runs the hot gas engine monitoring software to monitor the related data of a single unit. The machine case is equipped with buttons and indicator lights for on-site operation and debugging of the unit.

[0032] Further improvement or preferred embodiment of the aforementioned power plant training simulation method, the hot gas engine distribution box mainly functions to concentrate and send the sensor signals of the hot gas engine system pressure and temperature to the hot gas engine control box.

[0033] The hot gas engine interface box mainly functions to receive the on-off control signal of the hot gas engine control box, drive the electromagnetic valves and igniters of the hot gas engine system, and collect and send the on-off signals of the hot gas engine system water level, generator running state and faults to the hot gas engine control box.

[0034] Further improvement or preferred embodiment of the aforementioned power plant training simulation method, the oxygen supply control box is the core of the oxygen supply system monitoring unit, and realizes control of the functions of the oxygen supply system pressure increase, oxygen tank switching, overpressure discharge, cold box purging / discharge, etc. Safety interlocking is set to prevent misoperation, and emergency shutdown of the oxygen supply system is realized.

[0035] The oxygen supply interface box mainly realizes the driving and signal isolation switching function of the actuator in the oxygen supply system.

[0036] The oxygen supply distribution box mainly completes the functions of signal access, isolation and switching in the cold box, and the shell is provided with an explosion-proof mark.

[0037] The auxiliary device monitoring unit controls and drives the auxiliary machine, and monitors the main parameters of the auxiliary machine to realize functions such as alarm and safety protection.

[0038] The auxiliary control box has functions such as processing, conversion, logic control, driving of the execution mechanism and parameter output of the signals collected by the distribution box, and adopts a honeycomb ventilation plate for ventilation and heat dissipation.

[0039] The auxiliary distribution box mainly completes the functions of signal access of various field auxiliary machines and centralized transmission to the auxiliary control box, and distribution of the output signals of the auxiliary control box.

[0040] The system display console is used for centralized display of important data in the system, remote operation and state display of the hot gas engine generator set, remote operation and state simulation display of the oxygen supply system, and centralized sound and light alarm of the P system, and has a historical data storage function.

[0041] It also has the function of interacting with the virtual training system signal Ethernet, and the monitoring data and alarms can be transmitted to the virtual training system for viewing in real time, and the control instructions and teaching simulation schemes of the virtual training system can also be received and issued to the controllers for human-computer interaction. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 is a schematic diagram of a power device training simulation process. DETAILED DESCRIPTION

[0043] The application will be described in detail below in combination with specific embodiments.

[0044] A power device training simulation method of the application is mainly used for virtual teaching training of hot gas engine equipment. In a certain type of equipment, three hot gas engine box assemblies are installed in a ship, and the three hot gas engines are coordinated to realize stable operation of the ship power system. The power system is also the key content in the ship control teaching process. In fact, due to the limitation of volume and the complexity of control, the above-mentioned hot gas engine box assemblies cannot be directly operated in the teaching field, and usually only the single hot gas engine box can be extracted for teaching demonstration. In order to strengthen the students' understanding of the operation principle and control mode of the power system with the hot gas engine box assembly as the core, the application constructs a power core by hot gas engine real assembly and simulation hot gas engine box assembly based on the hot gas engine box assembly module, and constructs a power device simulation training system by using a simulation auxiliary module and a simulation oxygen supply system module.

[0045] Therefore, the power plant training simulation method of the present application first needs to build a hot air engine box assembly module, a simulation auxiliary module, a simulation oxygen supply system module, and a simulation monitoring module.

[0046] The hot air engine box assembly module includes a hot air engine real assembly box assembly component and a hot air engine simulation box assembly component

[0047] The hot air engine real assembly box assembly component includes a hot air engine, a generator, and a box assembly monitoring component

[0048] The hot air engine is connected to the generator through an elastic coupling and is fixed on a vibration isolation device base to finally form a hot air engine real assembly box assembly. The box assembly monitoring component acquires the operating parameters of the hot air engine real assembly box assembly and controls the operation of the hot air engine real assembly box assembly. The hot air engine simulation box assembly is used to simulate the power output core of the power plant cooperating with the hot air engine real assembly box assembly and output simulation parameter data.

[0049] The box assembly monitoring component includes a hot air engine control box, a hot air engine interface box, a hot air engine distribution box, a fuse box, a servo control box, a machine-side monitor, a charger, a distribution box, and a generator control cabinet, which are used to simulate the control and monitoring of the hot air engine generator set and provide necessary data recording, safety interlocking, and alarm functions.

[0050] The hot air engine control box is the core of the monitoring unit. Through the hot air engine interface box and the hot air engine distribution box, the on-site sensors belonging to the box assembly module are collected. At the same time, according to the hot air engine logic control, control instructions are issued to the hot air engine interface box and the servo control box to drive the on-site equipment, completing the start / stop, operation, and other controls of the hot air engine unit.

[0051] The main function of the hot air engine interface box is to receive the control signal of the hot air engine control box switch, drive the electromagnetic valves and igniters of the hot air engine system, and collect and send the on-off signal of the water level, generator operating state, and fault of the hot air engine system to the hot air engine control box.

[0052] The main function of the hot air engine distribution box is to concentrate and send the sensor signals such as pressure and temperature of the hot air engine system to the hot air engine control box.

[0053] The manual valves related to operation training in the system are equipped with valve position indicators. When manually operated, the valve position state can be intuitively displayed on the simulation system.

[0054] The main function of the fuse box is to control the power on / off of the monitoring unit power supply of the box assembly module, distribute power, and provide short circuit protection.

[0055] The main function of the servo control box is to receive the oil pump motor speed control signal output by the hot gas engine monitoring box, drive the oil pump motor to control the fuel flow by the driver, receive the oxygen flow control signal from the hot gas engine monitoring box, drive the oxygen flow regulating valve to control the oxygen flow, and send the oxygen valve position feedback signal to the hot gas engine monitoring box.

[0056] The machine-side monitor mainly controls and displays a single unit, and the display screen runs the hot gas engine monitoring software to monitor the relevant data of a single unit. The machine case is equipped with buttons and indicator lights for on-site operation and debugging of the unit.

[0057] The charger provides power for the electric equipment of the box module and charges the battery.

[0058] The battery provides a transient large current for starting and igniting, and together with the charger and fuse box, it forms an uninterrupted power supply as a redundant power supply for the box module monitoring unit.

[0059] The distribution box provides power distribution function for the box module monitoring unit, provides power for the charger, provides power for the box cooling fan motor, condensate discharge pump and air conditioner motor, and realizes driving and short circuit and overload safety protection.

[0060] The analog auxiliary module includes exhaust system installation simulation components, working medium system installation simulation components, purging system installation simulation components, fresh water system installation simulation components, and fuel system installation simulation components.

[0061] The fuel system installation simulation component is used to provide fuel and oxygen for hot gas engine combustion through the fuel system and oxygen supply system respectively. When the hot gas engine is working, the fuel transfer device transfers the fuel in the oil tank to the intermediate oil tank, and the daily fuel module supplies high-pressure oil pump with fuel at appropriate pressure after the high-pressure oil pump is pressurized. The fuel system runs, and the control system collects the flow signal of the fuel flowmeter, and controls the flow of the oil pump according to the power of the unit;

[0062] The oxygen supply system installation simulation component is used to pressurize and gasify the liquid oxygen in the liquid oxygen tank and provide it for hot gas engine combustion and crew breathing;

[0063] The vertical exhaust system installation simulation component is used to discharge the combustion products of the hot gas engine to the outside of the boat through the exhaust system. The exhaust system can refine the exhaust bubbles and absorb CO2 in the sea water, reduce the exhaust gas tail produced by the exhaust gas, and improve the concealment of the ship.

[0064] The fresh water system installation simulation assembly is used to realize the step of cooling the circulating fresh water by sea water outside the boat, specifically, used to pump the fresh water through the fresh water cooler, one way flows through the air cooler of the box body, the internal cooler of the hot air engine, the oil cooler, the working medium compressor shell and the exhaust cooler, takes away the heat in the hot air engine and the box body, and then returns to the inlet of the fresh water pump. The other way flows through the water bath heater in the oxygen supply system, supplies the liquid oxygen pressurization and temperature increase gasification;

[0065] The purge system installation simulation assembly is used to provide necessary preparation conditions and shutdown protection for related equipment during the start and shutdown of the hot air engine, and to provide nitrogen gas with required pressure for other subsystems in the system. For example, hot air engine start / shutdown purge, cold box and overpressure discharge pipe purge, hot air engine igniter pneumatic device gas source, fresh water system accumulator pressure charging gas source, cold box pneumatic ball valve backup gas source, etc.

[0066] The working medium system installation simulation assembly is used to provide the required working medium helium for the Stirling cycle when the hot air engine is running;

[0067] The simulated oxygen supply system module includes a cold box, an oxygen chimney, a liquid oxygen tank, and an oxygen flowmeter. The liquid oxygen tank is used to store liquid oxygen, and the cold box pressurizes and gasifies the liquid oxygen to provide it to the hot air engine for combustion and for the crew to breathe. The oxygen chimney is an integrated channel for all the out-of-boat pipelines of the oxygen supply system. The closed space formed by the cold box and the oxygen chimney prevents oxygen leakage and diffusion in the pipeline system from spreading to the cabin;

[0068] The simulation monitoring module includes a box body monitoring unit, an oxygen supply system monitoring unit, an auxiliary device monitoring unit, a system control console, a system power distribution cabinet, and a power supply cabinet.

[0069] The system control console contains a simulation signal generating device, including a box body monitoring unit, a model box body monitoring unit, an oxygen supply system monitoring unit, an auxiliary device monitoring unit, and a system display console.

[0070] The oxygen supply system monitoring unit mainly realizes logical control of the oxygen supply system, including main parameter monitoring, alarm, safety protection, and fault diagnosis functions. It is mainly composed of an oxygen supply control box, an oxygen supply interface box, and an oxygen supply distribution box.

[0071] The oxygen supply control box, as the core of the oxygen supply system monitoring unit, controls the functions of oxygen supply system pressurization, oxygen tank switching, overpressure discharge, cold box purge / discharge, etc. It also sets safety interlocking to prevent misoperation and provides emergency shutdown logic functions.

[0072] The oxygen supply interface box mainly completes the driving and signal isolation switching functions of the actuators in the oxygen supply system.

[0073] The oxygen supply distribution box mainly completes the functions of signal input, isolation, and switching in the cold box, and the shell has an explosion-proof mark.

[0074] The auxiliary device monitoring unit controls and drives the auxiliary machine, and monitors main parameters of the auxiliary machine to realize alarm, safety protection and the like.

[0075] The auxiliary control box has functions of processing signals collected by the distribution box, conversion, logic control, driving of an execution mechanism and parameter output, and adopts a honeycomb ventilation plate for ventilation and heat dissipation.

[0076] The auxiliary distribution box mainly completes functions of inputting signals of various field auxiliary machines and centrally transmitting to the auxiliary control box, and distributing output signals of the auxiliary control box.

[0077] The system display console is used for centralized display of important data in the system, remote operation and state display of the hot gas engine generator unit, remote operation and state simulation display of the oxygen supply system, and centralized sound and light alarm of the P distribution system, has a historical data storage function, and also has a function of interacting with a virtual training system signal Ethernet, and monitoring data and alarms can be transmitted to the virtual training system in real time for viewing, and control instructions and teaching simulation schemes of the virtual training system can be received and sent to various controllers to realize human-computer interaction.

[0078] As shown in Figure 1 FIG. 1 is a core flowchart of power device training simulation, including the following steps:

[0079] STP1, confirming that the power supply box “power supply box power supply switch” is closed, confirming that the system display console power supply switch is opened, the network power supply and the monitoring microcomputer power supply are turned on;

[0080] STP2, checking air, purging pipeline valves and pressure of pressure reducing valves, pressurizing the liquid oxygen tank, opening the fresh water system inlet and outlet box assembly ball valve, starting the fresh water pump, and supplying liquid oxygen;

[0081] STP3, opening the fuel system valve, simulating starting fuel transfer device and daily fuel supply module, opening the nitrogen inlet box assembly ball valve and working bottle valve, confirming that the exhaust system valve is normal, and checking that the pressure of each pressure reducing valve is normal;

[0082] STP4, opening the box assembly monitoring device, opening the load switch of the generator control cabinet, closing the box assembly soundproof door, and simulating the following operations: operating the fire-fighting box, opening the air purifier, and setting the cooling fan to “program control” state;

[0083] STP5, setting the auxiliary machine “manual / automatic” switch to “automatic” position, pressing the “standby vehicle” button on the display console, and resetting the hot gas engine;

[0084] STP6, completing the standby vehicle, and starting the unit by pressing the “start / stop” button;

[0085] STP7, increase or decrease power per step after stabilization;

[0086] STP8, close oxygen supply, fuel inlet and outlet tank valve; close nitrogen inlet tank module valve after purging; close working medium cylinder valve after stopping; close fresh water pump when ejector temperature is lower than preset temperature or when unit stops for preset time; close machine monitor, fuse box and charger.

[0087] In the embodiment, the hot gas engine tank module is provided with two operation modes, machine operation and remote control operation of the display console. The two operation modes can be switched by a switch on the machine monitor. When the switch is set to machine operation, start / stop, emergency stop, reset and increase / decrease power operation of the unit can be realized at the machine. When the switch is set to remote control operation, start / stop, emergency stop, reset and increase / decrease power operation of the unit can be realized at the display console.

[0088] Based on the two operation modes, students can easily switch between real operation simulation and virtual training, improving teaching efficiency.

[0089] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A method of power plant training simulation, characterized by, Based on the hot air engine box module, simulation auxiliary module, simulation oxygen supply system module, simulation monitoring module, comprising the following steps: STP1, confirm the power box "power box power switch" closing; confirm the system display console power switch open, network power, monitoring computer power on; STP2, air, purge pipeline valve, pressure reducing valve pressure check; liquid oxygen tank booster; Open fresh water system in and out of the box assembly ball valve, open fresh water pump, liquid phase oxygen supply; STP3, open the fuel system valve, simulation start fuel transfer device and daily fuel module; open nitrogen into the box assembly ball valve, working bottle valve; confirm the exhaust valve is normal, check the pressure of each pressure reducing valve is normal; STP4, box monitoring device open, generator control cabinet load switch open; box soundproof door closed; Simulate the following operation: fire control box operation; air purifier is placed in the open state, cooling fan is placed in the "program control" state; STP5, the auxiliary machine "manual / automatic" switch to the "automatic" position; press "standby car" button on the display console; hot air engine "reset"; STP6, standby car is completed, press "start / stop" button to start the unit; STP7, each gear stable increase, decrease power; STP8, close oxygen, fuel into the box assembly valve; stop blowing after closing nitrogen into the box assembly module valve; stop after closing the working bottle valve; ejector temperature is lower than the preset temperature or the unit is stopped for a preset time, close fresh water pump; close the machine monitor, fuse box and charger; The hot air engine box module comprises a hot air engine installation box assembly component and a hot air engine simulation box assembly component; the hot air engine installation box assembly component comprises a hot air engine, a generator, a box monitoring assembly component; The hot air engine is connected with the generator through an elastic coupling and is fixed on a vibration isolation device base to finally form a hot air engine installation box assembly; the box monitoring assembly component acquires hot air engine installation box assembly operation parameters and controls the hot air engine installation box assembly operation; the hot air engine simulation box assembly is used for simulating a power output core of a power device cooperating with the hot air engine installation box assembly and outputs simulation parameter data; The box monitoring assembly component comprises a hot air engine control box, a hot air engine interface box, a hot air engine distribution box, a fuse box, a servo control box, a machine monitor, a charger, a distribution box and a generator control cabinet, which are used for simulating control and monitoring of the hot air engine generator set and providing necessary data recording, safety interlocking and alarm functions; The simulation auxiliary module comprises an exhaust system installation simulation assembly, a working medium system installation simulation assembly, a purge system installation simulation assembly, a fresh water system installation simulation assembly and a fuel system installation simulation assembly; The fuel system installation simulation assembly is used for providing fuel and oxygen for hot air engine combustion through a fuel system and an oxygen supply system respectively; when the hot air engine works, the fuel transfer device delivers fuel in the fuel tank to an intermediate oil tank, and the daily fuel module supplies the high-pressure oil pump with fuel at a proper pressure after the high-pressure oil pump is pressurized; when the fuel system works, the control system collects the flow signal of the fuel flowmeter and controls the flow of the oil pump according to the unit power. The oxygen supply system installation simulation assembly is used for pressurizing and gasifying liquid oxygen in the liquid oxygen tank to provide the hot air engine with combustion and crew with breathing. The exhaust system installation simulation assembly is used for discharging the combustion products of the hot air engine to the outside of the boat through the exhaust system, and the exhaust system can refine the exhaust bubbles and absorb CO2 in the bubbles through seawater to reduce the exhaust gas and the tail trace generated thereby, and improve the concealment of the boat. The fresh water system installation simulation assembly is used for realizing the step of cooling circulating fresh water by seawater, and specifically, is used for pumping fresh water through the fresh water cooler to flow through the air cooler of the box body, the in-machine cooler of the hot air engine, the oil cooler, the working medium compressor shell and the exhaust cooler, and then return to the inlet of the fresh water pump after taking away the heat in the hot air engine and the box body; the other way is to flow through the water bath heater in the oxygen supply system to provide pressurized and heated liquid oxygen for gasification. The purge system installation simulation assembly is used for providing necessary preparation conditions and shutdown protection for related equipment during the start and shutdown of the hot air engine, and providing nitrogen with required pressure for other subsystems in the system. The working medium system installation simulation assembly is used for providing the required working medium helium for the Stirling cycle of the hot air engine. The simulation oxygen supply system module includes a cold box, an oxygen chimney, a liquid oxygen tank and an oxygen flowmeter; the liquid oxygen tank is used for storing liquid oxygen; the cold box pressurizes and gasifies the liquid oxygen to provide the hot air engine with combustion and the crew with breathing; the oxygen chimney is an integrated channel for all the out-boat pipelines of the oxygen supply system; the closed space formed by the cold box and the oxygen chimney prevents the diffusion of possible oxygen leakage in the pipeline system to the cabin. The simulation monitoring module includes a box body monitoring unit, an oxygen supply system monitoring unit, an auxiliary device monitoring unit, a system control console, a system power distribution cabinet and a power supply cabinet.

2. The power plant training simulation method of claim 1, wherein, The system control console contains a simulation signal generating device composed of a computer and a display, which is used to simulate the operation of all sensors and actuators of the box body monitoring unit, the model box body monitoring unit, the oxygen supply system monitoring unit and the auxiliary device monitoring unit.

3. The power plant training simulation method of claim 1, wherein, The hot air engine control box is the core of the monitoring unit, which collects the field sensors of the box body module through the hot air engine interface box and the hot air engine distribution box, and drives the field devices through the hot air engine interface box and the servo control box according to the logic control of the hot air engine to complete the start / stop and operation control of the hot air engine unit.

4. The power plant training simulation method of claim 1, wherein, The charger provides power supply for the electrical equipment of the box body module and charges the storage battery; the storage battery provides a large transient current for starting and igniting, and together with the charger and the fuse box, it constitutes an uninterruptible power supply as a redundant power supply for the box body module monitoring unit. The power distribution box provides power distribution function for the box body module monitoring unit, provides power supply for the charger, provides limited power supply for the box body cooling fan motor, the condensate discharge pump and the air atomizer motor, and realizes driving and short circuit and overload safety protection; the fuse box controls the on / off of the power supply of the box body module monitoring unit, performs power distribution and short circuit protection; the manual valves related to operation training in the system are provided with valve position indicators, and the valve position state can be directly displayed on the simulation system during manual operation.

5. The power plant training simulation method of claim 1, wherein, The servo control box receives the oil pump motor rotating speed control signal output by the hot air engine monitoring box, drives the oil pump motor to control the fuel flow by the driver, receives the oxygen flow control signal from the hot air engine monitoring box, drives the oxygen flow regulating valve to control the oxygen flow, and sends the oxygen valve position feedback signal to the hot air engine monitoring box; The machine-side monitor controls and displays the operation of a single unit, and the display screen runs the hot air engine monitoring software to monitor the relevant data of a single unit. The machine case is provided with buttons and indicator lights for on-site operation and debugging of the unit.

6. The power plant training simulation method of claim 1, wherein, The hot air engine distribution box concentrates and sends the pressure and temperature sensor signals of the hot air engine system to the hot air engine control box; The hot air engine interface box receives the control signal of the switch in the hot air engine control box, drives the electromagnetic valves and igniters of the hot air engine system to act, and collects and sends the water level, generator running state and fault switch signals of the hot air engine system to the hot air engine control box.

7. The power plant training simulation method of claim 1, wherein, The oxygen supply control box, as the core of the oxygen supply system monitoring unit, controls the functions of the oxygen supply system pressure increase, oxygen tank switching, overpressure discharge, cold box purging / discharge, and sets up safety interlocking to prevent misoperation and oxygen supply system emergency shutdown logic function; The oxygen supply interface box completes the driving and signal isolation and switching functions of the actuator in the oxygen supply system; The oxygen supply distribution box completes the signal input, isolation and switching functions in the cold box, and the shell is provided with an explosion-proof mark; The auxiliary device monitoring unit controls and drives the auxiliary machine, monitors the auxiliary machine parameters, realizes the alarm and safety protection functions; The auxiliary control box has the functions of processing, converting, logic controlling, driving the actuator and parameter outputting of the signals collected by the distribution box, and uses a honeycomb ventilation plate for ventilation and heat dissipation; The auxiliary distribution box completes the signal input of various field auxiliary machines and the functions of centralized transmission to the auxiliary control box and distribution of the output signals of the auxiliary control box; The system display and control console is used for centralized display of important data in the system, remote operation and state display of the hot air engine generator set, remote operation and state simulation display of the oxygen supply system, and centralized sound and light alarm of the P system, and has the function of historical data storage; It also has the function of interacting with the virtual training system signal Ethernet, and the monitoring data and alarms can be transmitted to the virtual training system for viewing in real time. The control instructions and teaching simulation schemes of the virtual training system can also be received and sent to the controllers for human-computer interaction.

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