CN115285318A - Diesel outboard engine fault prediction and health management device and working method - Google Patents
Diesel outboard engine fault prediction and health management device and working method Download PDFInfo
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- CN115285318A CN115285318A CN202210968983.2A CN202210968983A CN115285318A CN 115285318 A CN115285318 A CN 115285318A CN 202210968983 A CN202210968983 A CN 202210968983A CN 115285318 A CN115285318 A CN 115285318A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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Abstract
The invention belongs to the technical field of ships, and particularly relates to a fault prediction and health management device for a diesel outboard engine and a working method, wherein the device comprises a field control part, a fault diagnosis and alarm part and a control part, wherein the field control part is arranged on the diesel outboard engine and is suitable for acquiring state parameters of the diesel outboard engine in a full life cycle and carrying out fault diagnosis and alarm according to the state parameters in the full life cycle; and the remote control part is suitable for receiving the state parameters and the fault diagnosis and alarm data of the full life cycle and storing the state parameters and the fault diagnosis and alarm data of the full life cycle, so that the health management functions of on-line evaluation of the health state of the diesel outboard engine, life prediction of core components, comprehensive fault diagnosis and the like are realized, the reliable and efficient operation of equipment is maintained, and the service life is prolonged.
Description
Technical Field
The invention belongs to the technical field of ships, and particularly relates to a diesel outboard engine fault prediction and health management device and a working method.
Background
The outboard engine is a detachable power device which is hung on the boat or boat tail plate and can drive the boat or boat to sail, also called boat-handling machine or outboard machine, and mainly consists of engine, driving device, control device, hanging device and propeller. In the small boat market in China, the yacht accounts for 30 percent, the civil small speed boat accounts for 40 percent, and other types (military special boats) account for 30 percent.
The method is influenced by rapid development of industries such as yachts, fishing boats and the like, and the outboard engine industry in China is also rapidly developed. The development of diesel fuel, high power and high speed has been progressing. As the system structure becomes more complex, there is an urgent need for reliable operation and life delay of outboard engines. The failure prediction and health management techniques not only meet the reliable, long-lived operation of outboard engine users, but also help outboard engine manufacturers to shape their needs to service providers.
Therefore, in view of the above technical problems, it is desirable to design a new device for predicting the failure and managing the health of the diesel outboard engine and a working method thereof.
Disclosure of Invention
The invention aims to provide a diesel outboard engine fault prediction and health management device and a working method.
In order to solve the above technical problem, the present invention provides a diesel outboard engine fault prediction and health management device, including:
the field control part is arranged on the diesel outboard engine and is suitable for acquiring the state parameters of the diesel outboard engine in the full life cycle and carrying out fault diagnosis and alarm according to the state parameters in the full life cycle;
and the remote control part is suitable for receiving the state parameters and the fault diagnosis and alarm data of the full life cycle and storing the state parameters and the fault diagnosis and alarm data of the full life cycle.
Further, the field control unit includes: a sensing component;
the sensing component is suitable for detecting the state parameters of the full life cycle of the diesel outboard engine.
Further, the sensing part includes: a crankshaft speed sensor, a fuel pressure sensor, a cylinder vibration sensor, an intake pressure sensor, an intake temperature sensor, an exhaust pressure sensor, an exhaust temperature sensor, an engine oil pressure sensor, an engine oil temperature sensor, a cooling water temperature sensor, a bearing temperature sensor, and a whole vibration sensor;
the crankshaft speed sensor is arranged on the same axis as the crankshaft of the diesel outboard engine and used for monitoring the rotating speed of the diesel outboard engine;
the fuel pressure sensor is arranged at the outlet of an oil injection pump of the diesel engine and used for measuring the fuel pressure;
the cylinder sensor and the cylinder vibration sensor are arranged at the top of the diesel engine and used for monitoring the working pressure and the vibration acceleration of the cylinder;
the air inlet pressure sensor and the air inlet temperature sensor are arranged at an air inlet of the diesel engine and used for detecting air inlet pressure and air inlet temperature;
the exhaust pressure sensor and the exhaust temperature sensor are arranged at an air outlet of the diesel engine and used for detecting exhaust pressure and exhaust temperature;
the engine oil pressure sensor and the engine oil temperature sensor are arranged at an outlet of the engine oil pump and used for detecting the pressure and the temperature of the engine oil;
the cooling water temperature sensor is arranged at the inlet end of the cooling water and used for monitoring the temperature of the cooling water;
the bearing temperature sensor is arranged on the bearing and used for detecting the temperature of the bearing;
the integral vibration sensor is arranged at the bottom of the diesel outboard engine and used for detecting the integral vibration acceleration of the diesel outboard engine.
Further, the site control unit further includes: a control part;
the control part includes: the system comprises a control box, a power supply, a circuit breaker, a controller, a display screen and a wireless router;
the control box is arranged on the top of the diesel outboard engine;
the power supply, the circuit breaker, the controller, the display screen and the wireless router are arranged in the control box;
the power supply is suitable for converting 12V direct current of a direct current generator driven by a diesel engine into 24V direct current;
the display screen is used for displaying signals detected by each sensor;
the wireless router is adapted to transmit the full life cycle status parameters and the fault diagnosis and alarm data to the remote control portion via the wireless internet.
Further, a controller module is arranged in the controller;
the controller module includes: the device comprises a data acquisition and precision correction module, a fault diagnosis and alarm module and a controller communication module;
the data acquisition and correction module acquires the rotating speed of the diesel outboard engine through a crankshaft speed sensor, generates fuel pressure through a fuel pressure sensor, generates working pressure of a cylinder through a cylinder sensor, generates cylinder vibration acceleration through a cylinder vibration sensor, generates intake pressure through an intake pressure sensor, generates intake air temperature through an intake air temperature sensor, generates exhaust pressure through an exhaust pressure sensor, generates exhaust temperature through an exhaust temperature sensor, generates engine oil pressure through an engine oil pressure sensor, generates engine oil temperature through an engine oil temperature sensor, generates cooling water temperature through a cooling water temperature sensor, generates bearing temperature through a bearing sensor, and generates the integral vibration acceleration of the diesel outboard engine through a vibration sensor;
the fault diagnosis and alarm module is suitable for diagnosing and alarming the sensor;
and the controller communication module is suitable for sending the state parameters of the full life cycle of the diesel outboard engine and fault diagnosis and alarm data to the remote control part.
Further, the display screen is suitable for setting functional parameters and monitoring states;
the function parameter setting comprises: a crankshaft speed sensor correction coefficient, a fuel pressure sensor correction coefficient, a cylinder vibration sensor correction coefficient, an intake pressure sensor correction coefficient, an intake temperature sensor correction coefficient, an exhaust pressure sensor correction coefficient, an exhaust temperature sensor correction coefficient, an engine oil pressure sensor correction coefficient, an engine oil temperature sensor correction coefficient, a cooling water temperature sensor correction coefficient, a bearing temperature sensor correction coefficient, and an overall vibration sensor correction coefficient. The state monitoring function comprises state parameter monitoring and fault operation state monitoring, wherein the state parameters monitor the rotating speed of the diesel outboard engine, the fuel pressure, the working pressure of a cylinder, the air inlet pressure, the air inlet temperature, the exhaust pressure, the exhaust temperature, the vibration acceleration of the cylinder, the pressure of engine oil, the temperature of the engine oil, the temperature of cooling water, the temperature of a bearing and the integral vibration acceleration of the diesel outboard engine;
the fault operating condition monitoring comprises: a sensor failure is indicated.
Further, the remote control portion includes: a cloud platform;
the cloud platform includes: the system comprises a data communication module, a data storage module, a state monitoring service module and a health management service module;
the data communication module is suitable for sending the state parameters of the full life cycle and the fault diagnosis and alarm data to the data storage module;
the data storage module is used for regularly storing state parameters and alarm data of the full life cycle of the diesel outboard engine by adopting a database technology;
the state parameters comprise the rotating speed of the diesel outboard engine, the fuel pressure, the working pressure of the cylinder, the vibration acceleration of the cylinder, the air inlet pressure, the air inlet temperature, the air outlet pressure, the air outlet temperature, the engine oil pressure, the engine oil temperature, the cooling water temperature, the bearing temperature, the integral vibration acceleration of the diesel outboard engine and the like;
the alarm data includes: failure of each sensor;
the state monitoring service module can provide real-time query and historical query services of state parameters and alarm data of the diesel outboard engine stored in a database;
the health management service module performs big data analysis including the functional services of diesel outboard engine running state evaluation, service life prediction and fault diagnosis through a machine learning algorithm.
Further, the remote control unit further includes: a mobile phone user side;
the mobile phone user side is suitable for accessing a state monitoring service module and a health management service module of the cloud platform.
Further, the remote control unit further includes: a computer user side;
the computer user side is suitable for accessing a state monitoring service module and a health management service module of the cloud platform.
On the other hand, the invention also provides a working method of the diesel outboard engine fault prediction and health management device, which comprises the following steps:
collecting the state parameters of the full life cycle of the diesel outboard engine, and carrying out fault diagnosis and alarm according to the state parameters of the full life cycle; and
and storing the state parameters of the full life cycle and the fault diagnosis and alarm data.
The diesel outboard engine fault diagnosis and alarm system has the advantages that the field control part is arranged on the diesel outboard engine and is suitable for acquiring the state parameters of the full life cycle of the diesel outboard engine and carrying out fault diagnosis and alarm according to the state parameters of the full life cycle; and the remote control part is suitable for receiving the state parameters and the fault diagnosis and alarm data of the full life cycle and storing the state parameters and the fault diagnosis and alarm data of the full life cycle, so that the health management functions of on-line evaluation of the health state of the diesel outboard engine, life prediction of core components, comprehensive fault diagnosis and the like are realized, the reliable and efficient operation of equipment is maintained, and the service life is prolonged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic block diagram of a fault prediction and health management device for a diesel outboard engine according to the present invention;
FIG. 2 is a schematic view of the overall structure of the health management device for a diesel outboard engine according to the present invention;
FIG. 3 is a schematic structural diagram of a field control system of the health management device for the diesel outboard engine of the present invention;
FIG. 4 is a schematic diagram showing the configuration of a controller program of the management apparatus for a diesel outboard engine according to the present invention;
fig. 5 is a schematic structural diagram of a program composition of a cloud platform of the health management device of the diesel outboard engine;
in the figure:
the system comprises a wireless internet 1, a field control part 2, a computer user side 3, a cloud platform 4, a mobile phone user side 5, a control box 6, a circuit breaker 7, a power supply 8, a controller 9, a wireless router 10, a display screen 11, a crankshaft speed sensor 12, a fuel pressure sensor 13, a cylinder pressure sensor 14, a cylinder vibration sensor 15, an intake pressure sensor 16, an intake temperature sensor 17, an exhaust pressure sensor 18, an exhaust temperature sensor 19, an engine oil pressure sensor 20, an engine oil temperature sensor 21, a cooling water temperature sensor 22, a bearing temperature sensor 23, a whole vibration sensor 24, a controller communication module 25, a controller module 26, a data acquisition and precision correction module 27, a fault diagnosis and alarm module 28, a cloud platform module 29, a data communication module 30, a data storage module 31, a health management service module 32, a state evaluation service module 33, a life prediction service module 34, a fault diagnosis service module 35 and a state monitoring service module 36.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 5, embodiment 1 provides a diesel outboard engine fault prediction and health management device, including: the field control part 2 is arranged on the diesel outboard engine, and the field control part 2 is suitable for acquiring state parameters of the diesel outboard engine in a full life cycle and carrying out fault diagnosis and alarm according to the state parameters in the full life cycle; and the remote control part is suitable for receiving the state parameters and the fault diagnosis and alarm data of the full life cycle and storing the state parameters and the fault diagnosis and alarm data of the full life cycle, so that the health management functions of on-line evaluation of the health state of the diesel outboard engine, life prediction of core components, comprehensive fault diagnosis and the like are realized, the reliable and efficient operation of equipment is maintained, and the service life is prolonged.
In the embodiment, the automation technology, the internet of things and cloud platform 4 technology, the fault prediction and health management and other big data analysis technologies are integrated, after the big data analysis technologies are installed on the diesel outboard engine, the whole process state data of the diesel outboard engine can be collected and stored, the fault prediction and health management technologies are adopted to analyze the data, the health management functions of the diesel outboard engine, such as health state evaluation, core component service life prediction and fault comprehensive diagnosis, can be realized on line, the reliable and efficient operation of equipment is maintained, and the service life is prolonged. The diesel outboard engine fault prediction and health management device comprises: an on-site control unit 2, the on-site control unit 2 including a sensing means and a control means; the system also comprises a wireless Internet 1, wherein the wireless Internet 1 provides wireless business service networks for telecommunication companies, including networks of 3G, 4G, 5G and the like; the system also comprises a remote control part, wherein the remote control part comprises a cloud platform 4, a computer client 3, a mobile phone client 5 and the like, and the cloud platform 4 comprises a data communication module 30, a data storage module 31, a state monitoring service module 36, a health management service module 32 and the like which are developed on the basis of a general business basic cloud platform module 29 (such as Ali cloud). The computer client is directly connected with the service modules (the state monitoring service module 36 and the health management service module 32) of the cloud platform 4 through the website, and the mobile phone client is connected with the service modules (the state monitoring service module 36 and the health management service module 32) of the cloud platform 4 through the APP.
In the present embodiment, the site control section 2 includes: a sensing part; the sensing component is suitable for detecting the state parameters of the full life cycle of the diesel outboard engine.
In this embodiment, the sensing part includes: a crank speed sensor 12, a fuel pressure sensor 13, a cylinder pressure sensor 14, a cylinder vibration sensor 15, an intake air pressure sensor 16, an intake air temperature sensor 17, an exhaust pressure sensor 18, an exhaust gas temperature sensor 19, an oil pressure sensor 20, an oil temperature sensor 21, a cooling water temperature sensor 22, a bearing temperature sensor 23, and a whole vibration sensor 24; the crankshaft speed sensor 12 is arranged coaxially with a crankshaft of the diesel outboard engine and used for monitoring the rotating speed of the diesel outboard engine, and the fuel pressure sensor 13 is arranged at the outlet of a fuel injection pump of the diesel engine and used for measuring the fuel pressure; the cylinder sensor and the cylinder vibration sensor 15 are arranged at the top of the diesel engine and used for monitoring the working pressure and the vibration acceleration of the cylinder; the air inlet pressure sensor 16 and the air inlet temperature sensor 17 are arranged at an air inlet of the diesel engine and used for detecting air inlet pressure and air inlet temperature; the exhaust pressure sensor 18 and the exhaust temperature sensor 19 are arranged at the air outlet of the diesel engine and used for detecting exhaust pressure and exhaust temperature; the engine oil pressure sensor 20 and the engine oil temperature sensor 21 are installed at the outlet of the engine oil pump, and the cooling water temperature sensor 22 is installed at the inlet end of the cooling water for detecting the pressure and the temperature of the engine oil and is used for monitoring the temperature of the cooling water;
the bearing temperature sensor 23 is mounted on the bearing and used for checking the temperature of the bearing; the integral vibration sensor 24 is installed at the bottom of the diesel outboard engine and is used for detecting the integral vibration acceleration of the diesel outboard engine.
In this embodiment, the site control unit 2 further includes: a control component; the control part includes: the system comprises a control box 6, a power supply 8, a circuit breaker 7, a controller 9, a display screen 11 and a wireless router 10; the control box 6 is arranged on the top of the diesel outboard engine; the power supply 8, the circuit breaker 7, the controller 9, the display screen 11 and the wireless router 10 are arranged in the control box 6; the power supply 8 is suitable for converting 12V direct current of a direct current generator driven by a diesel engine into 24V direct current required by electric elements such as a controller 9; the display screen 11 is used for displaying signals detected by each sensor, and performing precision correction and fault alarm on the sensors; the wireless router 10 is adapted to transmit the full life cycle status parameters and the fault diagnosis and alarm data to the remote control through the wireless internet 1.
In the present embodiment, a controller module 26 is disposed in the controller 9; the controller 9 selects an industrial PLC; the controller module 26 includes: a data acquisition and precision correction module 27, a fault diagnosis and alarm module 28 and a controller communication module 25; the data acquisition and correction module acquires the rotating speed of the diesel outboard engine through a crankshaft speed sensor 12, generates fuel pressure through a fuel pressure sensor 13, generates working pressure of a cylinder through a cylinder sensor, generates vibration acceleration of the cylinder through a cylinder vibration sensor 15, generates intake pressure through an intake pressure sensor 16, generates intake temperature through an intake temperature sensor 17, generates exhaust pressure through an exhaust pressure sensor 18, generates exhaust temperature through an exhaust temperature sensor 19, generates pressure of engine oil through an engine oil pressure sensor 20, generates temperature of the engine oil through an engine oil temperature sensor 21, generates temperature of cooling water through a cooling water temperature sensor 22, generates temperature of a bearing through a bearing sensor, and generates integral vibration acceleration of the diesel outboard engine through the vibration sensor; the fault diagnosis and alarm module 28 is adapted to diagnose and alarm the sensor; the controller communication module 25 is adapted to transmit the full life cycle state parameters of the diesel outboard engine and the fault diagnosis and alarm data to the remote control portion.
In the embodiment, the display screen 11 is a touch screen (industrial 7-inch touch screen is selected) and is suitable for setting functional parameters and monitoring states; the setting of the functional parameters comprises: a correction coefficient of a crankshaft speed sensor 12, a correction coefficient of a fuel pressure sensor 13, a correction coefficient of a cylinder pressure sensor 14, a correction coefficient of a cylinder vibration sensor 15, a correction coefficient of an intake pressure sensor 16, a correction coefficient of an intake temperature sensor 17, a correction coefficient of an exhaust pressure sensor 18, a correction coefficient of an exhaust temperature sensor 19, a correction coefficient of an oil pressure sensor 20, a correction coefficient of an oil temperature sensor 21, a correction coefficient of a cooling water temperature sensor 22, a correction coefficient of a bearing temperature sensor 23, and a correction coefficient of a whole vibration sensor 24; the state monitoring function comprises state parameter monitoring and fault operation state monitoring, wherein the state parameters monitor the rotating speed of the diesel outboard engine, the fuel pressure, the working pressure of a cylinder, the air inlet pressure, the air inlet temperature, the air outlet pressure, the air outlet temperature, the vibration acceleration of the cylinder, the pressure of engine oil, the temperature of the engine oil, the temperature of cooling water, the temperature of a bearing and the integral vibration acceleration of the diesel outboard engine; the fault operating condition monitoring comprises: a sensor failure is indicated.
In this embodiment, the remote control section includes: a cloud platform 4; the cloud platform 4 includes: a data communication module 30, a data storage module 31, a state monitoring service module 36 and a health management service module 32; the data communication module 30 is adapted to send the state parameters of the full life cycle and the fault diagnosis and alarm data to the data storage module 31; the data storage module 31 adopts a database technology to store the state parameters and the alarm data of the full life cycle of the diesel outboard engine at regular time; the state parameters comprise the rotating speed of the diesel outboard engine, the fuel pressure, the working pressure of the cylinder, the vibration acceleration of the cylinder, the air inlet pressure, the air inlet temperature, the air outlet pressure, the air outlet temperature, the engine oil pressure, the engine oil temperature, the cooling water temperature, the bearing temperature, the integral vibration acceleration of the diesel outboard engine and the like; the alarm data includes: failure of each sensor; the state monitoring service module can provide real-time query and historical query services of state parameters and alarm data of the diesel outboard engine stored in a database; the health management service module 32 performs big data analysis including the functional services of diesel outboard engine running state evaluation, life prediction and fault diagnosis through a machine learning algorithm. The state evaluation service module 33 in the health management service module 32 gives the overall operation evaluation of the forging hydraulic press based on 100 points; the service life prediction service module 34 in the health management service module 32 comprises three parts, namely, diesel outboard engine overall service life prediction, diesel engine part service life prediction and transmission part service life prediction; the fault diagnosis service module 35 in the health management service module 32 performs big data diagnosis on common faults such as poor fuel atomization of the diesel engine, blockage of an air inlet, blockage of an air outlet, poor lubrication of engine oil, poor water cooling, blockage of a mechanical connecting part and the like.
In this embodiment, the remote control unit further includes: a mobile phone user terminal 5; the mobile phone client 5 is suitable for accessing the state monitoring service module 36 and the health management service module 32 of the cloud platform 4; the APP software of the mobile phone user side 5 can be installed on a common mobile phone system (the APP software of the mobile phone user side 5 is programmed in JAVA language under an android environment and can be installed on the android mobile phone system), and is communicated with the cloud platform 4 service module to perform the functions of monitoring the state of a diesel outboard engine and managing health. And the state monitoring of the diesel outboard engine calls state parameters and alarm data parameters in a state monitoring service program of the cloud platform 4, and displays a current value and a historical value. And analyzing the data, namely calling the health management service module 32 of the cloud platform 4 to evaluate the state of the diesel outboard engine, predict the service life and diagnose the fault and display the operation data in real time.
In this embodiment, the remote control unit further includes: a computer user side 3; the computer client 3 is suitable for accessing the state monitoring service module 36 and the health management service module 32 of the cloud platform 4; the computer user side 3 directly operates the customer service module through the website, namely, the computer user can directly call the cloud platform 4 state monitoring service program and the health management service module 32 through inputting the website by using a browser to perform state monitoring and health management on the diesel outboard engine. And the state monitoring of the diesel outboard engine calls state parameters and alarm data parameters in a state monitoring service program of the cloud platform 4, and displays a current value and a historical value. And calling a health management service program of the cloud platform 4 to evaluate the state of the diesel outboard engine, predict the service life and diagnose the fault and display the operation data instantly.
Example 2
On the basis of embodiment 1, the present embodiment 2 further provides a working method of the diesel outboard engine fault prediction and health management device in embodiment 1, including: acquiring state parameters of a full life cycle of the diesel outboard engine, and performing fault diagnosis and alarm according to the state parameters of the full life cycle; and storing the state parameters of the full life cycle and the fault diagnosis and alarm data.
In summary, the field control part 2 is arranged on the diesel outboard engine, and the field control part 2 is suitable for collecting the state parameters of the diesel outboard engine in the full life cycle and performing fault diagnosis and alarm according to the state parameters in the full life cycle; and the remote control part is suitable for receiving the state parameters and the fault diagnosis and alarm data of the full life cycle and storing the state parameters and the fault diagnosis and alarm data of the full life cycle, so that the health management functions of on-line evaluation of the health state of the diesel outboard engine, life prediction of core components, comprehensive fault diagnosis and the like are realized, the reliable and efficient operation of equipment is maintained, and the service life is prolonged.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A diesel outboard engine fault prediction and health management device is characterized by comprising:
the field control part is arranged on the diesel outboard engine and is suitable for acquiring the state parameters of the diesel outboard engine in the full life cycle and carrying out fault diagnosis and alarm according to the state parameters in the full life cycle;
and the remote control part is suitable for receiving the state parameters and the fault diagnosis and alarm data of the full life cycle and storing the state parameters and the fault diagnosis and alarm data of the full life cycle.
2. The diesel outboard engine failure prediction and health management device of claim 1,
the field control unit includes: a sensing component;
the sensing component is suitable for detecting the state parameters of the full life cycle of the diesel outboard engine.
3. The diesel outboard engine failure prediction and health management device of claim 2,
the sensing part includes: a crankshaft speed sensor, a fuel pressure sensor, a cylinder vibration sensor, an intake pressure sensor, an intake air temperature sensor, an exhaust pressure sensor, an exhaust gas temperature sensor, an engine oil pressure sensor, an engine oil temperature sensor, a cooling water temperature sensor, a bearing temperature sensor, and a whole vibration sensor;
the crankshaft speed sensor is arranged on the same shaft of a crankshaft of the diesel outboard engine and used for monitoring the rotating speed of the diesel outboard engine;
the fuel pressure sensor is arranged at the outlet of an oil injection pump of the diesel engine and used for measuring the fuel pressure;
the cylinder sensor and the cylinder vibration sensor are arranged at the top of the diesel engine and used for monitoring the working pressure and the vibration acceleration of the cylinder;
the air inlet pressure sensor and the air inlet temperature sensor are arranged at an air inlet of the diesel engine and used for detecting air inlet pressure and air inlet temperature;
the exhaust pressure sensor and the exhaust temperature sensor are arranged at the air outlet of the diesel engine and used for detecting exhaust pressure and exhaust temperature;
the engine oil pressure sensor and the engine oil temperature sensor are arranged at an outlet of the engine oil pump and used for detecting the pressure and the temperature of the engine oil;
the cooling water temperature sensor is arranged at the inlet end of the cooling water and used for monitoring the temperature of the cooling water;
the bearing temperature sensor is arranged on the bearing and used for checking the temperature of the bearing;
the integral vibration sensor is arranged at the bottom of the diesel outboard engine and used for detecting the integral vibration acceleration of the diesel outboard engine.
4. The diesel outboard engine failure prediction and health management device of claim 3,
the field control unit further includes: a control component;
the control part includes: the system comprises a control box, a power supply, a circuit breaker, a controller, a display screen and a wireless router;
the control box is arranged on the top of the diesel outboard engine;
the power supply, the circuit breaker, the controller, the display screen and the wireless router are arranged in the control box;
the power supply is suitable for converting 12V direct current of a direct current generator driven by a diesel engine into 24V direct current;
the display screen is used for displaying signals detected by each sensor;
the wireless router is adapted to send full-life cycle status parameters and fault diagnosis and alarm data to the remote control via the wireless internet.
5. The diesel outboard engine failure prediction and health management device of claim 4,
a controller module is arranged in the controller;
the controller module includes: the device comprises a data acquisition and precision correction module, a fault diagnosis and alarm module and a controller communication module;
the data acquisition and correction module acquires the rotating speed of the diesel outboard engine through a crankshaft speed sensor, generates fuel pressure through a fuel pressure sensor, generates working pressure of a cylinder through a cylinder sensor, generates cylinder vibration acceleration through the cylinder vibration sensor, generates intake pressure through an intake pressure sensor, generates intake temperature through an intake temperature sensor, generates exhaust pressure through an exhaust pressure sensor, generates exhaust temperature through an exhaust temperature sensor, generates engine oil pressure through an engine oil pressure sensor, generates engine oil temperature through an engine oil temperature sensor, generates cooling water temperature through a cooling water temperature sensor, generates bearing temperature through a bearing sensor, and generates integral vibration acceleration of the diesel outboard engine through the vibration sensor;
the fault diagnosis and alarm module is suitable for diagnosing and alarming the sensor;
and the controller communication module is suitable for sending the state parameters of the full life cycle of the diesel outboard engine and fault diagnosis and alarm data to the remote control part.
6. The diesel outboard engine trouble prediction and health management device of claim 5,
the display screen is suitable for setting functional parameters and monitoring states;
the setting of the functional parameters comprises: a crankshaft speed sensor correction coefficient, a fuel pressure sensor correction coefficient, a cylinder vibration sensor correction coefficient, an intake pressure sensor correction coefficient, an intake temperature sensor correction coefficient, an exhaust pressure sensor correction coefficient, an exhaust temperature sensor correction coefficient, an engine oil pressure sensor correction coefficient, an engine oil temperature sensor correction coefficient, a cooling water temperature sensor correction coefficient, a bearing temperature sensor correction coefficient, and an overall vibration sensor correction coefficient;
the state monitoring includes: monitoring state parameters and fault operation states, wherein the state parameters monitor the rotating speed of the diesel outboard engine, fuel pressure, working pressure of a cylinder, air inlet pressure, air inlet temperature, exhaust pressure, exhaust temperature, vibration acceleration of the cylinder, pressure of engine oil, temperature of the engine oil, temperature of cooling water, bearing temperature and integral vibration acceleration of the diesel outboard engine;
the fault operating condition monitoring comprises: a sensor failure is indicated.
7. The diesel outboard engine trouble prediction and health management device of claim 6,
the remote control part includes: a cloud platform;
the cloud platform includes: the system comprises a data communication module, a data storage module, a state monitoring service module and a health management service module;
the data communication module is suitable for sending the state parameters of the full life cycle and the fault diagnosis and alarm data to the data storage module;
the data storage module is used for regularly storing state parameters and alarm data of the full life cycle of the diesel outboard engine by adopting a database technology;
the state parameters comprise the rotating speed of the diesel outboard engine, the fuel pressure, the working pressure of the cylinder, the vibration acceleration of the cylinder, the air inlet pressure, the air inlet temperature, the exhaust pressure, the exhaust temperature, the engine oil pressure, the engine oil temperature, the cooling water temperature, the bearing temperature, the integral vibration acceleration of the diesel outboard engine and the like;
the alarm data includes: failure of each sensor;
the state monitoring service module can provide real-time query and historical query services of state parameters and alarm data of the diesel outboard engine stored in a database;
the health management service module performs big data analysis including the functional services of diesel outboard engine running state evaluation, service life prediction and fault diagnosis through a machine learning algorithm.
8. The diesel outboard engine failure prediction and health management device of claim 7,
the remote control part further includes: a mobile phone user side;
the mobile phone user side is suitable for accessing a state monitoring service module and a health management service module of the cloud platform.
9. The diesel outboard engine failure prediction and health management device of claim 8,
the remote control part further includes: a computer user side;
the computer user side is suitable for accessing a state monitoring service module and a health management service module of the cloud platform.
10. A working method of a diesel outboard engine fault prediction and health management device is characterized by comprising the following steps:
acquiring state parameters of a full life cycle of the diesel outboard engine, and performing fault diagnosis and alarm according to the state parameters of the full life cycle; and
and storing the state parameters of the full life cycle and the fault diagnosis and alarm data.
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