CN116163837A - Methanol remote control security system of marine engine - Google Patents

Abstract

The invention discloses a methanol remote control security system of a marine engine. Comprising the following steps: the system comprises a remote control security monitoring controller, a remote control security monitoring touch screen, a methanol mixed combustion spraying controller, a methanol mixed combustion spraying touch screen and a methanol supply station; the remote control security monitoring controller is used for processing information and generating a target control instruction according to an information processing result; the remote control security monitoring touch screen is used for acquiring a marine engine control instruction input by a technician and displaying marine engine fault alarm information according to an alarm signal sent by the remote control security monitoring controller; the methanol mixed combustion injection controller is used for controlling an alcohol injector on the marine engine to perform methanol mixed combustion injection; the methanol mixed combustion spraying touch screen is used for acquiring methanol mixed combustion control parameters input by technicians; the methanol supply station is used for monitoring the methanol leakage signal in the marine engine in real time. By adopting the technical scheme, the security control of the methanol mixed combustion injection whole process of the marine engine can be realized.

Description

A Methanol Remote Security System for Marine Engines

technical field

The invention relates to the technical field of marine engines, in particular to a methanol remote control security system for marine engines.

Background technique

Since methanol has lower production cost and higher safety, the use of methanol to replace traditional non-renewable fuels can effectively improve economic benefits and at the same time ensure the safety of the combustion process.

Currently, methanol can be supplied as fuel to marine engines using existing fuel supply systems. Generally, fuel and methanol in marine engines are combusted in the form of co-combustion.

In order to ensure the safety of methanol co-firing, safety control of marine engines and methanol co-firing related equipment is required. Therefore, the present invention designs a methanol remote security system for marine engines to provide security for the entire process of methanol co-firing injection of marine engines control.

Contents of the invention

The invention provides a methanol remote control security system for a marine engine, which can realize security control over the entire process of methanol co-firing injection of the marine engine.

According to one aspect of the present invention, a methanol remote security system for a marine engine is provided, including a remote security monitoring controller, a remote security monitoring touch screen, a methanol co-firing injection controller, a methanol co-firing injection touch screen, and a methanol supply station;

The remote security monitoring controller is used to process various types of information sent by the remote security monitoring touch screen, the methanol co-firing injection controller, the methanol co-firing injection touch screen and the methanol supply station, generate target control instructions according to the information processing results, and send the target control commands Send to remote security monitoring touch screen, methanol co-firing injection controller, methanol co-firing injection touch screen or methanol supply station;

The remote security monitoring touch screen is used to obtain the marine engine control command input by the technician, and send the marine engine control command to the remote security monitoring controller for processing, and display according to the alarm signal sent by the remote security monitoring controller Marine engine failure alarm information;

The methanol co-firing injection controller is used to control the alcohol injector on the marine engine to perform methanol co-firing injection;

The methanol co-firing injection touch screen is used to obtain the methanol co-firing control parameters input by technicians, and send them to the methanol co-firing injection controller to control the alcohol injector on the marine engine;

The methanol supply station is used to monitor the methanol leakage signal in the marine engine in real time, and to perform corresponding methanol supply control operations according to the methanol supply control signal sent by the remote security monitoring controller.

Optionally, the methanol remote security system for marine engines also includes a methanol remote security control box;

The methanol remote control security control box is equipped with a plurality of sound and light prompting devices, and the sound and light prompting devices are used to detect the operation readiness status of the remote control security monitoring controller, the methanol co-firing injection controller and the methanol supply station, Carry out corresponding operation status indication; The sound and light prompting device is also used to perform methanol leakage alarm of the first pipeline of the engine when methanol leakage is detected in the first pipeline of the engine;

The methanol remote control security control box is also equipped with a plurality of methanol supply control buttons, so that technicians can control the methanol supply station to perform corresponding methanol supply control operations through the methanol supply control buttons.

Optionally, the remote security monitoring controller is specifically configured to generate a nitrogen purge command and send it to the methanol supply station when it is confirmed according to the information processing result that the methanol supply pipeline of the marine engine is in a state to be purged by nitrogen;

The methanol supply station is also used to perform a nitrogen purge operation when receiving a nitrogen purge command from the remote security monitoring controller or detecting that a technician presses the nitrogen purge button in the methanol remote security control box.

Optionally, the methanol co-firing injection controller is also used to detect the first methanol injection status information in real time, and send the first methanol injection status information to the methanol co-firing injection touch screen;

The methanol co-firing injection controller is also used to detect the second methanol injection status information in real time, and send the second methanol injection status information to the remote security monitoring touch screen;

The methanol co-firing injection touch screen is also used to receive the first methanol injection status information sent by the methanol co-firing injection controller, and display the first methanol injection status information on the methanol co-firing injection touch screen;

The remote security monitoring touch screen is also used to receive the second methanol injection status information sent by the methanol co-firing injection controller, and display the second methanol injection status information on the remote security monitoring touch screen.

Optionally, the methanol co-firing injection touch screen is also used to obtain the methanol co-firing injection mode selected by the technician;

When the methanol co-firing injection controller is in manual control mode, the methanol co-firing injection touch screen is also used to send the methanol co-firing control parameters input by the technician to the methanol co-firing injection controller;

When the methanol co-firing injection controller is in the automatic control mode, the methanol co-firing injection controller is also used to calculate the methanol co-firing control parameters according to the real-time detected engine speed;

The methanol co-firing injection controller is also used to control methanol injection on marine engines according to the current methanol co-firing control parameters.

Optionally, the methanol co-burning control parameters include methanol injection quantity, methanol injection pulse width, methanol injection timing and scavenging pressure.

Optionally, the methanol supply station is also used to monitor the methanol leakage signal of the second pipeline of the engine in real time. When methanol leakage in the marine engine and/or methanol leakage of the second pipeline of the engine is detected, the methanol leakage information will be sent to the remote security monitoring controller;

The remote security monitoring controller is also used to generate a shutdown command of the methanol supply station after receiving the methanol leakage information sent by the methanol supply station, and send the shutdown command of the methanol supply station to the methanol supply station, as well as generate a shutdown command of the engine, and send the engine shutdown command to the methanol supply station. A shutdown command is sent to the marine engine.

Optionally, the marine engine failure alarm information includes methanol leakage alarm information;

The remote security monitoring controller is specifically used to generate a methanol leakage alarm signal in the marine engine after receiving the methanol leakage information sent by the methanol supply station, and send the methanol leakage alarm signal in the marine engine to the remote security monitoring touch screen;

The remote security monitoring touch screen is specifically used to display methanol leakage alarm information on the screen according to the methanol leakage alarm signal in the marine engine sent by the remote security monitoring controller.

Optionally, the marine engine failure alarm information also includes engine failure alarm information;

The remote security monitoring controller is also used to monitor the working status of the marine engine in real time, and send the working status information of the marine engine to the remote security monitoring touch screen, and generate a marine engine failure alarm signal when a marine engine failure is detected And sent to the security monitoring touch screen;

The remote security monitoring touch screen is also specifically used for displaying the working state information of the marine engine sent by the remote security monitoring controller, and displaying the marine engine failure alarm information on the screen according to the engine failure alarm signal sent by the remote security monitoring controller.

Optionally, the data interaction between the methanol supply station and the remote security monitoring controller is carried out through the Modbus bus protocol; the data interaction between the remote security monitoring touch screen and the remote security monitoring controller is carried out through the PROFINET communication system.

In the technical solution of the embodiment of the present invention, by configuring a remote security monitoring controller, a remote security monitoring touch screen, a methanol co-firing injection controller, a methanol co-firing injection touch screen, and a methanol supply station in the methanol remote security system of a marine engine, it can The real-time flexible control of marine engines, alcohol injectors and methanol supply stations improves the safety of methanol injection, improves the efficiency of alcohol injection, and maximizes economic benefits.

It should be understood that the content described in this section is not intended to identify key or important features of the embodiments of the present invention, nor is it intended to limit the scope of the present invention. Other features of the present invention will be easily understood from the following description.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a structural schematic diagram of a methanol remote security system for a marine engine provided according to Embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of another methanol remote control security system for a marine engine according to Embodiment 1 of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

Embodiment one

Figure 1 is a schematic structural diagram of a methanol remote control security system for a marine engine provided in Embodiment 1 of the present invention. As shown in Figure 1 , the methanol remote security system for a marine engine includes: a remote security monitoring controller 110 and a remote security monitoring touch screen 120 , a methanol co-firing injection controller 130 , a methanol co-firing injection touch screen 140 and a methanol supply station 150 .

The remote security monitoring controller 110 is used to process various information sent by the remote security monitoring touch screen 120, the methanol co-firing injection controller 130, the methanol co-firing injection touch screen 140 and the methanol supply station 150, and generates target control instructions according to information processing results, and The target control command is sent to the remote control security monitoring touch screen 120 , the methanol co-firing injection controller 130 , the methanol co-firing injection touch screen 140 or the methanol supply station 150 .

The remote security monitoring touch screen 120 is used to obtain the marine engine control command input by the technician, and send the marine engine control command to the remote security monitoring controller 110 for processing, and according to the alarm signal sent by the remote security monitoring controller 110 Display marine engine failure alarm information.

The methanol co-combustion injection controller 130 is used to control the alcohol injector on the marine engine to perform methanol co-combustion injection.

The methanol co-firing injection touch screen 140 is used to obtain the methanol co-firing control parameters input by technicians, and send them to the methanol co-firing injection controller 130 to control the alcohol injector on the marine engine.

The methanol supply station 150 is used to monitor the methanol leakage signal in the marine engine in real time, and execute corresponding methanol supply control operations according to the methanol supply control signal sent by the remote security monitoring controller 110 .

The inventor considered that in the process of methanol co-combustion in marine engines, there may be methanol leakage, methanol supply pipeline failures and other factors that affect the safety of methanol injection and marine engine operation, and thus proposed a methanol remote security system for marine engines , used to ensure the safety of marine engines and methanol supply equipment.

It can be understood that the remote security monitoring controller 110 and the remote security monitoring touch screen 120 can be regarded as the central processing unit and touch screen of the same device, the remote security monitoring controller 110 performs calculation and control related tasks, and the remote security monitoring touch screen 120 performs Display and specific data transfer tasks. Similarly, methanol co-firing injection controller 130 and methanol co-firing injection touch screen 140 can also be regarded as the central processing unit and touch screen of the same device, methanol co-firing injection controller 130 performs calculation and control related tasks, methanol co-firing injection The touch screen 140 performs the tasks of display and specific data transmission.

In the process of methanol co-combustion, the fuel is injected by the alcohol injector on the marine engine. After the methanol is burned, it can provide kinetic energy to the marine engine. The methanol supply station 150 can provide methanol fuel to the alcohol injector on the marine engine. The alcohol injector The relevant control parameters can be directly sent by the methanol co-firing injection controller 130. The remote security monitoring controller 110 can mainly control the working state of the marine engine, and the remote security monitoring controller 110 can also generate some control commands and send them to the methanol remote control of the marine engine. Other structures in the security system.

Further, the remote security monitoring controller 110 can be connected with the marine engine to realize the related control of the marine engine; the methanol co-combustion injection controller 130 and the methanol supply station 150 can be connected with the alcohol injector to respectively realize the opposite injection Alcohol control, and methanol supply to the alcohol injector.

Optionally, the remote security monitoring controller 110 can be connected to the remote security monitoring touch screen 120, the methanol co-firing injection controller 130, the methanol co-firing injection touch screen 140 and the methanol supply station 150, and the methanol supply station 150 is connected to the remote security monitoring control The data interaction between the controllers 110 can be carried out through the Modbus bus protocol; the data interaction can be carried out between the remote security monitoring touch screen 120 and the remote security monitoring controller 110 through the PROFINET communication system. Since the information sent by the methanol co-firing injection controller 130 to the remote security monitoring controller 110 needs to undergo variable transfer processing, the methanol co-firing injection controller 130 can first send the data to the methanol co-firing injection touch screen 140 for internal variable transfer, The methanol co-firing injection touch screen 140 sends it to the remote security monitoring touch screen 120 , and then the remote security monitoring touch screen 120 performs variable transfer and then sends it to the remote security monitoring controller 110 . The methanol co-firing injection controller 130 and the methanol co-firing injection touch screen 140 can perform data interaction through the CAN bus protocol, and the methanol co-firing injection touch screen 140 and the remote control security monitoring touch screen 120 can perform data interaction through the ISO on TCP protocol. Wired communication can be used for data interaction between the security monitoring touch screen 120 and the remote security monitoring controller 110, but the present invention does not limit the communication method between any two devices, as long as the specified communication requirements can be fulfilled.

Optionally, the information processed by the remote security monitoring controller 110 may be digital input and output signals, or analog input and output signals.

Optionally, the control commands generated by the remote security monitoring controller 110 may include engine emergency shutdown, nitrogen purge commands, methanol supply station stop commands, methanol supply station start commands, and the like.

Specifically, when the remote security monitoring controller 110 determines that the methanol on the marine engine leaks according to the data processing results, it can generate an emergency shutdown of the engine and send it to the marine engine for the marine engine to shut down; When it is determined that the methanol supply pipeline on the engine needs to be purged, a nitrogen purge command can be generated and sent to the methanol supply station 150, so that the methanol supply station 150 can perform nitrogen purge on the methanol pipeline on the engine; When the device 110 determines that the methanol on the marine engine leaks or the methanol in the methanol supply pipeline leaks according to the data processing results, it can generate a shutdown command for the methanol supply station and send it to the methanol supply station 150, so that the methanol supply station 150 can stop immediately; when the remote control security When the monitoring controller 110 determines that the methanol supply station 150 is currently powered on and meets the methanol supply conditions according to the data processing results, it can generate a methanol supply station activation command and send it to the methanol supply station 150 for the methanol supply station 150 to start operation.

Optionally, the marine engine control command input by the technician on the remote security monitoring touch screen 120 may include limit controls such as water supply, oil supply, and lubricating oil for engine operation; the marine engine failure alarm information displayed on the remote security monitoring touch screen 120 may include methanol Leakage alarm information and engine failure alarm information.

Optionally, the methanol co-combustion injection controller 130 can send methanol fuel input/cut-out signals to the alcohol injector on the marine engine, and can also obtain the methanol co-combustion injection angle, co-combustion injection amount duration, injection window and Methanol injection amount, etc., and further control the methanol injection state of the alcohol injector according to the calculation results.

Further, when the methanol co-firing injection controller 130 detects that the methanol injection amount and the methanol injection angle need to be corrected, it can control the alcohol injector to make the correction according to the calculated correction value, so as to improve the methanol use efficiency and reduce the risk of methanol leakage.

Optionally, the methanol co-firing control parameters input by the technician on the methanol co-firing injection touch screen 140 may include methanol injection quantity, methanol injection pulse width, methanol injection timing and scavenging pressure.

Optionally, the methanol supply control operations that the methanol supply station 150 can perform may include methanol supply pressure regulation, methanol supply temperature regulation, nitrogen purge, methanol outlet valve switch, and emergency shutdown of the supply station, etc.; the methanol supply station 150 can pass pressure detection Or sensor identification, etc., to determine whether there is methanol leakage in the marine engine.

Optionally, if the methanol supply station 150 and the remote security monitoring controller 110 are in a signal disconnection state, the methanol supply station 150 can still continue to operate, and the default pressure value preset inside the methanol supply station 150 control system can be used as the current methanol supply station 150. Supply pressure value.

In the actual methanol supply process, the methanol supply station 150 can deliver the normal-pressure methanol in the liquid storage tank to the main methanol main pipe of the main engine after controlling the pressure and temperature, and then send it to the alcohol injector; the methanol mixed combustion injection controller 130 according to The calculated control signal or the control command input by the technician on the remote security monitoring touch screen 120 generates a driving enabling signal, and the driving control module provides a driving current according to the driving enabling signal, thereby driving the alcohol injector to perform spraying action.

FIG. 2 is a structural schematic diagram of another methanol remote security system for marine engines provided by Embodiment 1 of the present invention. As shown in FIG. 2 , the methanol remote security system for marine engines also includes a methanol remote security control box 160 .

The methanol remote security control box 160 is equipped with a plurality of sound and light prompting devices 161, which can be used to prepare for the operation of the detected remote control security monitoring controller 110, methanol co-firing injection controller 130 and methanol supply station 150 status, to indicate the corresponding operating status; the sound and light prompting device 161 can also be used to issue a methanol leakage alarm for the first pipeline of the engine when methanol leakage is detected in the first pipeline of the engine.

The methanol remote control security control box 160 is also equipped with a plurality of methanol supply control buttons 162, so that technicians can control the methanol supply station 150 to perform corresponding methanol supply control operations through the methanol supply control buttons 162.

Specifically, when the remote control security monitoring controller 110 is ready for control, the sound and light prompting device 161 matching the state in the methanol remote control security control box 160 can carry out sound and light prompts for its ready state; When the control is ready, the sound and light prompting device 161 matching the state in the methanol remote security control box 160 can carry out sound and light prompts for its ready state; The acousto-optic prompting device 161 that matches the status can provide audible-optic prompt for its ready state. The methanol remote control security control box 160 can also give corresponding prompts to the operating status of the alcohol injector on the marine engine. When the alcohol injector starts methanol injection, the sound and light prompt device 161 in the methanol remote control security control box 160 that matches the state can prompt The alcohol injector is currently in methanol injection operation.

Optionally, the first pipeline of the engine can refer to a section of methanol supply pipeline on the marine engine that can be monitored by the methanol remote security control box 160. When the methanol remote security control box 160 detects that methanol leaks from the first pipeline of the engine, the methanol The acousto-optic prompting device 161 in the remote security control box 160 matched with the state of methanol leakage can prompt that there is methanol leakage in the first pipeline of the engine.

Optionally, the methanol remote security control box 160 can determine whether there is methanol leakage in the first pipeline of the engine through pressure detection or sensor identification.

Optionally, when the audible and visual prompting device provides status prompts, it can give prompts by changing the display color of the indicator light, flashing the indicator light, changing the color of the indicator light and beeping, or flickering and beeping the indicator light.

Optionally, in the methanol supply control button 162 in the methanol remote security control box 160, input of methanol fuel, cut-out of methanol fuel, cut-out of methanol supply, nitrogen purge, emergency shutdown of the engine, emergency shutdown of the supply station, methanol Control options such as injection emergency stop and methanol double wall pipe bleed.

In the technical solution of the embodiment of the present invention, by configuring a remote security monitoring controller, a remote security monitoring touch screen, a methanol co-firing injection controller, a methanol co-firing injection touch screen, and a methanol supply station in the methanol remote security system of a marine engine, it can The real-time flexible control of marine engines, alcohol injectors and methanol supply stations improves the safety of methanol injection, improves the efficiency of alcohol injection, and maximizes economic benefits.

Embodiment two

On the basis of the above embodiments, this embodiment further illustrates the remote security monitoring controller 110, the remote security monitoring touch screen 120, the methanol co-firing injection controller 130, and the methanol co-firing injection touch screen 140 in the methanol remote security system for marine engines. , methanol supply station 150 and methanol remote control security control box 160.

Wherein, the remote security monitoring controller 110 can be specifically configured to generate a nitrogen purge command and send it to the methanol supply station when it is confirmed according to the information processing result that the methanol supply pipeline of the marine engine is in the state of nitrogen purge.

Among them, the methanol supply station 150 can also be used to perform the nitrogen purge operation when receiving the nitrogen purge instruction sent by the remote security monitoring controller 110 or detecting that the technician presses the nitrogen purge button in the methanol remote security control box .

It can be understood that the nitrogen purge command can be generated by the remote security monitoring controller 110 , or can be sent by a technician through the methanol supply control button 162 in the methanol remote security control box 160 .

Wherein, the methanol co-firing injection controller 130 can also be used to detect the first methanol injection status information in real time, and send the first methanol injection status information to the methanol co-firing injection touch screen 140 .

Wherein, the methanol co-firing injection touch screen 140 can also be used to receive the first methanol injection status information sent by the methanol co-firing injection controller 130 , and display the first methanol injection status information on the methanol co-firing injection touch screen 140 .

Optionally, the first methanol injection status information may include governor throttle status, engine timing speed value, methanol fuel input/cut-out status, scavenging pressure, methanol injection valve status, alcohol injector pulse width and injection window, etc. Information, it can be understood that the information in the first methanol injection state information can be obtained through detection by detection devices such as sensors, or can be obtained through calculation.

optional,

Wherein, the methanol co-firing injection controller 130 can also be used to detect the second methanol injection state information in real time, and send the second methanol injection state information to the remote security monitoring touch screen 120 .

Wherein, the remote security monitoring touch screen 120 can also be used to receive the second methanol injection status information sent by the methanol co-firing injection controller 130 , and display the second methanol injection status information on the remote security monitoring touch screen 120 .

Optionally, on the basis of the first methanol injection information, the second methanol injection status information also adds main engine power load and methanol supply rail pressure information.

Wherein, the methanol co-firing injection touch screen 140 can also be used to obtain the methanol co-firing injection mode selected by the technician.

Optionally, the methanol co-firing injection mode may include a manual mode and an automatic mode.

Wherein, when the methanol co-firing injection controller 130 is in the manual control mode, the methanol co-firing injection touch screen 140 can also be used to send the methanol co-firing control parameters input by technicians to the methanol co-firing injection controller 130 .

Wherein, when the methanol co-firing injection controller 130 is in the automatic control mode, the methanol co-firing injection controller 130 can also be used to calculate the methanol co-firing control parameter according to the real-time detected engine speed.

Optionally, the methanol co-firing control parameters may include methanol co-firing injection angle, co-firing injection amount duration, injection window, methanol injection amount, and the like.

Wherein, the methanol co-firing injection controller 130 can also be used to control the methanol injection on the marine engine according to the current methanol co-firing control parameters.

Among them, the methanol supply station 150 can also be used to monitor the methanol leakage signal of the second pipeline of the engine in real time, and when methanol leakage in the marine engine and/or methanol leakage of the second pipeline of the engine is detected, the methanol leakage information will be sent to the remote security monitoring controller 110 .

Optionally, the methanol supply station 150 can determine whether there is methanol leakage in the second pipeline of the engine through pressure detection or sensor identification. The second pipeline of the engine may refer to a section of methanol supply pipeline on the marine engine that can be monitored by the methanol supply station 150 . The methanol leakage in the engine and the methanol leakage in the second pipeline of the engine are monitored by the methanol supply station 150 , and the methanol leakage in the first pipeline of the engine is monitored by the methanol remote security control box 160 .

Among them, the remote security monitoring controller 110 can also be used to generate a methanol supply station stop instruction after receiving the methanol leakage information sent by the methanol supply station 150, and send the methanol supply station shutdown instruction to the methanol supply station 150, and generate the engine shutdown command, and send the engine shutdown command to the marine engine.

Optionally, after the remote security monitoring controller 110 receives the methanol leakage information sent by the methanol supply station 150, it can also generate an alcohol injector shutdown command and send it to the methanol co-firing injection controller 130, thereby stopping the alcohol injector. Jet action.

Among them, the remote security monitoring controller 110 can be specifically configured to generate a methanol leakage alarm signal in the marine engine after receiving the methanol leakage information sent by the methanol supply station, and send the methanol leakage alarm signal in the marine engine to the remote control. Security monitoring touch screen 120 .

Wherein, the remote security monitoring touch screen 120 can be specifically used to display methanol leakage alarm information on the screen according to the methanol leakage alarm signal in the marine engine sent by the remote security monitoring controller 110 .

Optionally, the methanol leakage alarm information displayed on the screen of the remote security monitoring touch screen 120 may include information such as methanol leakage location, methanol leakage amount, and methanol leakage time.

Wherein, the remote security monitoring controller 110 can also be used to monitor the working status of the marine engine in real time, and send the working status information of the marine engine to the remote security monitoring touch screen 120, and when a marine engine failure is detected, a marine engine The fault alarm signal is sent to the security monitoring touch screen 120 .

The remote security monitoring touch screen 120 can also be specifically used to display the marine engine working status information sent by the remote security monitoring controller 110, and display the marine engine failure alarm information on the screen according to the engine failure alarm signal sent by the remote security monitoring controller 110 .

Optionally, the methanol remote security system of the marine engine is also equipped with a communication bus, which can add a monitoring system outside the methanol remote security system of the marine engine, and send the system data of the methanol remote security system of the marine engine to the external monitoring through the communication bus The system monitors in real time.

According to the technical solution of the embodiment of the present invention, the remote control security monitoring controller, the remote control security monitoring touch screen, the methanol co-firing injection controller, the methanol co-firing injection touch screen, the methanol supply station and the methanol remote security control box in the methanol remote security system of the marine engine The combined effect of the combination can flexibly control the methanol co-combustion process of marine engines, improve the efficiency of methanol use, reduce the risk of methanol leakage, and ensure the safety of methanol use.

It should be understood that steps may be reordered, added or deleted using the various forms of flow shown above. For example, each step described in the present invention may be executed in parallel, sequentially, or in a different order, as long as the desired result of the technical solution of the present invention can be achieved, there is no limitation herein.

The above specific implementation methods do not constitute a limitation to the protection scope of the present invention. It should be apparent to those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The methanol remote control security system of the marine engine is characterized by comprising a remote control security monitoring controller, a remote control security monitoring touch screen, a methanol mixed combustion spraying controller, a methanol mixed combustion spraying touch screen and a methanol supply station;

the remote control security monitoring controller is used for processing various information transmitted by the remote control security monitoring touch screen, the methanol mixed combustion injection controller, the methanol mixed combustion injection touch screen and the methanol supply station, generating a target control instruction according to an information processing result, and transmitting the target control instruction to the remote control security monitoring touch screen, the methanol mixed combustion injection controller, the methanol mixed combustion injection touch screen or the methanol supply station;

the remote control security monitoring touch screen is used for acquiring a marine engine control instruction input by a technician, sending the marine engine control instruction to the remote control security monitoring controller for processing, and displaying marine engine fault alarm information according to an alarm signal sent by the remote control security monitoring controller;

the methanol mixed combustion injection controller is used for controlling an alcohol injector on the marine engine to perform methanol mixed combustion injection;

the methanol mixed combustion injection touch screen is used for acquiring methanol mixed combustion control parameters input by a technician and sending the parameters to the methanol mixed combustion injection controller for controlling an alcohol injector on the marine engine;

the methanol supply station is used for monitoring methanol leakage signals in the marine engine in real time and executing corresponding methanol supply control operation according to the methanol supply control signals sent by the remote control security monitoring controller.

2. The methanol remote control security system of a marine engine according to claim 1, wherein the methanol remote control security system of a marine engine further comprises a methanol remote control security control box;

the methanol remote control security control box is internally provided with a plurality of acousto-optic prompt devices, and the acousto-optic prompt devices are used for indicating corresponding operation states according to the detected operation preparation states of the remote control security monitoring controller, the methanol mixed combustion injection controller and the methanol supply station; the audible and visual prompting device is also used for alarming methanol leakage of the first pipeline of the engine when detecting that the first pipeline of the engine is leaked;

the methanol remote control security control box is also provided with a plurality of methanol supply control buttons, so that a technician can control the methanol supply station to execute corresponding methanol supply control operation through the methanol supply control buttons.

3. The methanol remote control security system of a marine engine according to claim 2, wherein the remote control security monitoring controller is specifically configured to generate a nitrogen purge command and send the nitrogen purge command to the methanol supply station when confirming that a methanol supply line of the marine engine is in a state to be purged with nitrogen according to an information processing result;

the methanol supply station is also used for executing nitrogen purging operation when receiving a nitrogen purging instruction sent by the remote control security monitoring controller or detecting that a technician presses a nitrogen purging button in the methanol remote control security control box.

4. The methanol remote control security system of the marine engine of claim 1, wherein the methanol co-firing injection controller is further configured to detect first methanol injection status information in real time and send the first methanol injection status information to the methanol co-firing injection touch screen;

the methanol mixed combustion injection controller is also used for detecting second methanol injection state information in real time and sending the second methanol injection state information to a remote control security monitoring touch screen;

the methanol mixed combustion spraying touch screen is also used for receiving the first methanol spraying state information sent by the methanol mixed combustion spraying controller and displaying the first methanol spraying state information in the methanol mixed combustion spraying touch screen;

the remote control security monitoring touch screen is also used for receiving second methanol injection state information sent by the methanol mixed combustion injection controller and displaying the second methanol injection state information in the remote control security monitoring touch screen.

5. The methanol remote control security system of a marine engine of claim 4, wherein the methanol co-firing injection touch screen is further configured to obtain a methanol co-firing injection mode selected by a technician;

when the methanol mixed combustion injection controller is in a manual control mode, the methanol mixed combustion injection touch screen is also used for sending the methanol mixed combustion control parameters input by a technician to the methanol mixed combustion injection controller;

when the methanol mixed combustion injection controller is in an automatic control mode, the methanol mixed combustion injection controller is also used for calculating methanol mixed combustion control parameters according to the engine rotating speed detected in real time;

the methanol mixed combustion injection controller is also used for controlling the methanol injection on the marine engine according to the current methanol mixed combustion control parameters.

6. The marine engine methanol remote control security system of claim 5 wherein the methanol co-firing control parameters include methanol injection amount, methanol injection pulse width, methanol injection timing, and scavenging pressure.

7. The methanol remote control security system of a marine engine according to claim 1, wherein the methanol supply station is further configured to monitor a methanol leakage signal of the second pipeline of the engine in real time, and send methanol leakage information to the remote control security monitoring controller when methanol leakage in the marine engine and/or methanol leakage in the second pipeline of the engine is monitored;

the remote control security monitoring controller is also used for generating a methanol supply station stop command after receiving the methanol leakage information sent by the methanol supply station, sending the methanol supply station stop command to the methanol supply station, generating an engine stop command, and sending the engine stop command to the marine engine.

8. The methanol remote control security system of a marine engine of claim 7, wherein the marine engine fault warning information comprises methanol leakage warning information;

the remote control security monitoring controller is specifically used for generating a methanol leakage alarm signal in the marine engine after receiving the methanol leakage information sent by the methanol supply station, and sending the methanol leakage alarm signal in the marine engine to the remote control security monitoring touch screen;

the remote control security monitoring touch screen is particularly used for displaying methanol leakage alarm information in the screen according to the methanol leakage alarm signal in the marine engine sent by the remote control security monitoring controller.

9. The methanol remote control security system of a marine engine of claim 8, wherein the marine engine fault warning information further comprises engine fault warning information;

the remote control security monitoring controller is also used for monitoring the working state of the marine engine in real time, sending the working state information of the marine engine to the remote control security monitoring touch screen, and generating a marine engine fault alarm signal and sending the marine engine fault alarm signal to the security monitoring touch screen when detecting the marine engine fault;

the remote control security monitoring touch screen is further specifically used for displaying the working state information of the marine engine sent by the remote control security monitoring controller and displaying the marine engine fault alarm information in the screen according to the engine fault alarm signal sent by the remote control security monitoring controller.

10. The methanol remote control security system of a marine engine according to claim 1, wherein data interaction is performed between the methanol supply station and the remote control security monitoring controller through a Modbus bus protocol; and the remote control security monitoring touch screen and the remote control security monitoring controller are subjected to data interaction through a PROFINET communication system.

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