CN110044631A - Trend prediction method, device and the computer equipment of ship machine diesel engine - Google Patents
Trend prediction method, device and the computer equipment of ship machine diesel engine Download PDFInfo
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- G01M15/04—Testing internal-combustion engines
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Abstract
The present invention relates to the trend prediction method of ship machine diesel engine, device and computer equipments, belong to ship machine monitoring technical field.The described method includes: obtaining diesel engine supervision data；The acquisition data for the ship machine diesel engine that diesel engine supervision data are sent according to acquisition equipment determine；Obtain the state evaluation data of ship machine diesel engine；State evaluation data are determined according to the fault signature of ship machine diesel engine；Diesel engine supervision data are compared with state evaluation data, the status predication result of ship machine diesel engine is determined according to comparison result.Above-mentioned technical proposal, the trend prediction method for solving ship machine diesel engine are easy to be influenced by external environment and subjective factor, as a result often not accurate enough problem.The status predication of ship machine diesel engine can be automatically determined as a result, effectively improving the status predication accuracy rate of ship machine diesel engine.
Description
Technical field
The present invention relates to ship machine monitoring technical fields, more particularly to the trend prediction method, device, meter of ship machine diesel engine
Calculate machine equipment and storage medium.
Background technique
Engineering ship has the characteristics that offshore, mobile operational process and reliability requirement are high.Meanwhile the dynamic power machine of engineering ship
It further include special plant, such as diesel engine.Structure is complicated for engineering ship, and operating condition multiplicity, working environment compare
Badly；Therefore the requirement to the dynamic power machine performance of engineering ship is relatively high.Therefore the status monitoring for actively developing working ship is
Ensure the premise of engineering ship safe and reliable operation.In realizing process of the present invention, inventor's discovery is at least deposited in the prior art
In following problem: the status predication of diesel engines at present is mainly inspected periodically with artificial judgment by staff and is realized.In this way
Ship machine diesel engine trend prediction method be easy influenced by external environment and subjective factor, it is as a result often not accurate enough.
Summary of the invention
Based on this, the embodiment of the invention provides the trend prediction method of ship machine diesel engine, device, computer equipment and deposit
Storage media can carry out status predication to ship machine diesel engine automatically, effectively improve the status predication accuracy rate of diesel engine.
The content of the embodiment of the present invention is as follows:
A kind of trend prediction method of ship machine diesel engine, comprising the following steps: obtain diesel engine supervision data；The diesel oil
The acquisition data for the ship machine diesel engine that machine monitoring data are sent according to acquisition equipment determine；Obtain the state of the ship machine diesel engine
Evaluate data；The state evaluation data are determined according to the fault signature of the ship machine diesel engine；By the diesel engine supervision number
It is compared according to the state evaluation data, the status predication result of the ship machine diesel engine is determined according to comparison result.
In one embodiment, the step of state evaluation data for obtaining the ship machine diesel engine, comprising: obtain institute
State the fault signature of ship machine diesel engine；According to the fault signature and predetermined corresponding relationship, the ship machine diesel oil is determined
The fault vibration frequency of machine obtains the state evaluation data of the ship machine diesel engine；Wherein, the corresponding relationship includes faulty
The mapping relations of feature and fault vibration frequency.
In one embodiment, the step of acquisition diesel engine supervision data, comprising: receive adopting for acquisition equipment transmission
Collect data；The acquisition data are obtained by sensor and are sent to the acquisition equipment；The sensor is set to the ship machine
Diesel engine；It determines the corresponding frequency spectrum data of the acquisition data, obtains the diesel engine supervision data.
In one embodiment, the sensor includes acceleration transducer；The acquisition for receiving acquisition equipment and sending
The step of data, comprising: receive the vibration signal that acquisition equipment is sent；Wherein, the vibration signal is passed by the acceleration
Sensor measurement obtains.
In one embodiment, described that the diesel engine supervision data are compared with the state evaluation data, root
The step of determining the status predication result of the ship machine diesel engine according to comparison result, comprising: by the frequency spectrum data and the event
Barrier vibration frequency is compared；If the frequency spectrum data matches with the fault vibration frequency, the ship machine diesel engine is determined
Status predication result be diesel engine fault.
In one embodiment, the step of status predication result of the determination ship machine diesel engine is diesel engine fault
Later, further includes: export fault message to alarm terminal；The fault message formulates ship machine diesel engine for guidance management personnel
Maintenance project.
In one embodiment, the step of status predication result that the ship machine diesel engine is determined according to comparison result
Later, further includes: the spare parts logistics information in the acquisition data is obtained, according to spare parts logistics information determination
The components to break down in ship machine diesel engine.
Correspondingly, the embodiment of the present invention provides a kind of status predication device of ship machine diesel engine, comprising: monitoring data obtain
Module, for obtaining diesel engine supervision data；The ship machine diesel engine that the diesel engine supervision data are sent according to acquisition equipment
Data are acquired to determine；Data acquisition module, for obtaining the state evaluation data of the ship machine diesel engine；The state evaluation number
It is determined according to according to the fault signature of the ship machine diesel engine；And prediction result determining module, it is used for the diesel engine supervision
Data are compared with the state evaluation data, and the status predication result of the ship machine diesel engine is determined according to comparison result.
The trend prediction method and device of above-mentioned ship machine diesel engine determine that diesel engine is supervised according to the acquisition data of acquisition equipment
Measured data diesel engine supervision data is compared with state evaluation data, the status predication knot of available ship machine diesel engine
Fruit.The status predication of ship machine diesel engine can be automatically determined as a result, effectively improving the status predication accuracy rate of ship machine diesel engine.
A kind of computer equipment can be run on a memory and on a processor including memory, processor and storage
Computer program, the processor performs the steps of when executing the computer program obtains diesel engine supervision data；It is described
The acquisition data for the ship machine diesel engine that diesel engine supervision data are sent according to acquisition equipment determine；Obtain the ship machine diesel engine
State evaluation data；The state evaluation data are determined according to the fault signature of the ship machine diesel engine；The diesel engine is supervised
Measured data is compared with the state evaluation data, and the status predication knot of the ship machine diesel engine is determined according to comparison result
Fruit.
Above-mentioned computer equipment can automatically determine the status predication of ship machine diesel engine as a result, effectively improving ship machine diesel engine
Status predication accuracy rate.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
It is performed the steps of when row and obtains diesel engine supervision data；The ship machine that the diesel engine supervision data are sent according to acquisition equipment
The acquisition data of diesel engine determine；Obtain the state evaluation data of the ship machine diesel engine；The state evaluation data are according to institute
The fault signature for stating ship machine diesel engine determines；The diesel engine supervision data are compared with the state evaluation data, root
The status predication result of the ship machine diesel engine is determined according to comparison result.
Above-mentioned computer readable storage medium can automatically determine the status predication of ship machine diesel engine as a result, effectively improving ship
The status predication accuracy rate of machine diesel engine.
Detailed description of the invention
Fig. 1 is the applied environment figure of the trend prediction method of ship machine diesel engine in one embodiment；
Fig. 2 is the flow diagram of the trend prediction method of ship machine diesel engine in one embodiment；
Fig. 3 is the flow diagram of the trend prediction method of ship machine diesel engine in another embodiment；
Fig. 4 is the structural block diagram of the status predication device of ship machine diesel engine in one embodiment；
Fig. 5 is the internal structure of computer equipment in one embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The trend prediction method of ship machine diesel engine provided by the present application can be applied in application environment as shown in Figure 1.
The application environment includes ship machine diesel engine 101, acquisition equipment 102 and server 103；Wherein, diesel engine 101, acquisition equipment 102
With server 103 by network connection, it is able to carry out network communication.Acquire the acquisition number that equipment 102 obtains ship machine diesel engine 101
According to and be sent to server 103, server 103 determines therefrom that the status predication result of ship machine diesel engine 101.Wherein, ship machine bavin
Oil machine 101 can be various types of diesel engines on engineering ship；Acquisition equipment 102 can be various with Signals collecting function
Device, such as: sensor etc.；Server 103 can use the server of the either multiple server compositions of independent server
Cluster realizes that certainly, server also could alternatively be other devices having data processing function, such as: processor, intelligence
Mobile phone etc. can also be virtual equipment, such as: Cloud Server etc..
Trend prediction method, device, computer equipment and the storage that the embodiment of the present invention provides a kind of ship machine diesel engine are situated between
Matter.It is described in detail separately below.
In one embodiment, as shown in Fig. 2, providing a kind of trend prediction method of ship machine diesel engine.In this way
Applied to being illustrated for the server end in Fig. 1, comprising the following steps:
S201, diesel engine supervision data are obtained；The ship machine diesel engine that diesel engine supervision data are sent according to acquisition equipment
Data are acquired to determine.
Wherein, ship machine diesel engine (also abbreviation diesel engine below) refers to providing the machine of thrust power for ship.Engineering
Ship refers to being engaged in the ship of engineer operation in waters such as harbour, navigation channel, shipyards, may include dredger, crane ship, piling
Ship, pier, concrete mixer vessel and ship of auxiliary activities etc..Ship is inhaled specifically, ship can be inhaled for rake and twisted.
The acquisition data of ship machine diesel engine refer to the ship machine diesel engine obtained by acquisition equipment during the work time
Running state data can largely reflect that ship machine diesel engine is in normal condition or malfunction.Acquire number
According to can be the data such as the vibration signal (frequency, amplitude etc.) of ship machine diesel engine, operating time, running temperature, air pressure, volume.
Acquisition equipment can be the equipment with data acquisition and integration function；The acquisition equipment can connect multiple types
Sensor, by sensor come the data of monitoring ship machine diesel engine.Acquisition equipment can obtain the monitoring data of sensor and to prison
Measured data is integrated, and the acquisition data that integration obtains are sent to server by interchanger.Server is according to acquisition equipment
Acquisition data can obtain diesel engine supervision data.
S202, the state evaluation data for obtaining ship machine diesel engine；State evaluation data are special according to the failure of ship machine diesel engine
Sign determines.
State evaluation data refer to the data that can be evaluated the operating status of ship machine diesel engine, can be ship machine bavin
The corresponding feature operation data of the different operating statuses of oil machine.
State evaluation data can be determined according to fault signature, when the fault signature of ship machine diesel engine refers to breaking down
The feature that ship machine diesel engine shows, such as: diesel engine fault shutdown, piston failure etc..In addition, fault signature also can wrap
Include work information, such as failure, the diesel engine maintenance record information of burst etc..It certainly, can also be according to it in addition to fault signature
His information determines state evaluation data, such as: historical failure number, historical failure frequency etc..
When acquiring data is vibration signal, state evaluation data may be considered vibration limit value, i.e., when vibration signal is super
It crosses or when lower than the vibration limit value (be specifically more than again below can be determines according to actual conditions), it is believed that ship machine diesel oil
Machine is in malfunction or reaches the malfunction of a certain grade.
Further, state evaluation data can be according to the Historical Monitoring data determination for setting historical time section.Example
Such as, the case where breaking down in setting historical time section and fault signature are determined, and determines corresponding Historical Monitoring data, it is right
These data are integrated, and state evaluation data are obtained.
S203, diesel engine supervision data are compared with state evaluation data, ship machine diesel oil is determined according to comparison result
The status predication result of machine.
State evaluation data can characterize the different operating statuses of ship machine diesel engine, therefore, by gear-box monitoring data and shape
State evaluation data are compared, and just can determine that out operating status of the ship machine diesel engine within following a period of time, it is pre- to obtain state
Survey result.
Further, state evaluation data may include multiple types, and diesel engine prediction data and various states are evaluated
It, can pointedly really if diesel engine prediction data matches with one of state evaluation data when data are compared
Determine status predication result.Corresponding, status predication result also may include multiple types, such as: normal operation, vibration frequency are different
Often, the information such as excessively high, abnormal components of temperature.
It further, also may include multiple grades for the failure of a certain type；For example, working as status predication result
When state evaluation data corresponding to B grade with A failure match, determine that the status predication result of ship machine diesel engine is B etc.
The A failure of grade.
The trend prediction method of ship machine diesel engine provided in this embodiment, the state that can automatically determine out ship machine diesel engine are pre-
It surveys as a result, the status predication efficiency of ship machine diesel engine is effectively improved, without the work of manual periodic inspection ship machine diesel engine
State；In addition, being also not readily susceptible to the influence of external environment, it can be deduced that accurate status predication result.
In one embodiment, the step of obtaining the state evaluation data of ship machine diesel engine, comprising: obtain ship machine diesel engine
Fault signature；According to fault signature and predetermined corresponding relationship, determines the fault vibration frequency of ship machine diesel engine, obtain
The state evaluation data of ship machine diesel engine；Wherein, corresponding relationship includes the mapping relations of fault signature Yu fault vibration frequency.
Under different faults feature, ship machine diesel engine is corresponding with different fault vibration frequencies；Such as: assuming that operating normally
The vibration frequency of state is 200-300Hz, and it is 0-5Hz that diesel engine fault, which shuts down corresponding vibration frequency, and when piston failure is corresponding
Vibration frequency be 100-150Hz；5Hz, 100Hz and 150Hz can be then determined as to fault vibration frequency.Can directly by
Fault vibration frequency is determined as state evaluation data；It is of course also possible to which the range that fault vibration frequency is constituted is determined as state
Data are evaluated, for example, 0-5Hz and 100-150Hz are directly determined as state evaluation data.
Continue above-mentioned example, include in corresponding relationship can be following mapping table: 1, diesel engine fault shuts down ← → vibration
Dynamic frequency is 0Hz and 5Hz；2, piston failure ← → vibration frequency is 100Hz and 150Hz.In the failure for determining ship machine diesel engine
When feature, corresponding fault vibration frequency just can determine that out by searching for the mapping table in corresponding relationship, and then obtain state and comment
Valence mumber evidence.Certainly, this mapping table can be stored in advance in the database；It, can when determining the fault signature of ship machine diesel engine
Corresponding fault vibration frequency is searched from database in a manner of through character match etc..
The present embodiment determines fault vibration frequency, determination process according to fault signature and predetermined corresponding relationship
It can carry out automatically, the accuracy rate and convenience of status predication result can be effectively improved.
In one embodiment, the step of obtaining diesel engine supervision data, comprising: receive the acquisition number that acquisition equipment is sent
According to；Acquisition data are obtained by sensor and are sent to acquisition equipment；Sensor is set to ship machine diesel engine；Determine acquisition data pair
The frequency spectrum data answered obtains diesel engine supervision data.Wherein, sensor can be the industrial sensor of armouring.
Wherein it is determined that the process of frequency spectrum data can be with are as follows: carry out the processing such as Fourier transformation to acquisition data, corresponded to
Frequency domain data；The information such as frequency are extracted from frequency domain data, as frequency spectrum data.Corresponding frequency spectrum is determined according to acquisition data
Data, as diesel engine supervision data；Identified diesel engine supervision data can characterize the vibration frequency of diesel engine well, just
It is compared in fault vibration frequency, and then determines accurate diesel engine status predication result.
Sensor can be set (can be set in the position close to ship machine diesel engine in multiple positions of ship machine diesel engine
On, to get more accurate vibration signal) on, such as driving end, anti-drive end and the ground of ship machine diesel engine are set
On foot.It is possible to further be arranged on some components of ship machine diesel engine；For example, the relatively other components of A components
Life cycle it is shorter, rule can be more quickly found out, therefore sensor can be arranged on A components, by A components
Vibration signal of the vibration signal as ship machine diesel engine.
Further, sensor includes acceleration transducer, such as piezoelectric acceleration transducer.Acceleration transducer can
To be multiple acceleration transducers for being only capable of monitoring a direction, such as: two acceleration vertically and horizontally are monitored respectively
Spend sensor.Certainly, it if a sensor can measure the vibration signal of multiple directions simultaneously, can also be passed only with one
Sensor carrys out the vibration signal of monitoring ship machine diesel engine.Therefore, the step of receiving the acquisition data that acquisition equipment is sent, can wrap
It includes: receiving the vibration signal that acquisition equipment is sent；Wherein, vibration signal is obtained by acceleration transducer measurement.That is vibration letter
It number is obtained according to monitoring data of the acceleration transducer on direction initialization (this direction can be determines according to actual conditions)
It arrives.
Certainly, sensor can also be other types, such as: speed probe, displacement sensor etc..Wherein, revolving speed passes
Sensor can be magnetoelectric tachometric transducer, and displacement sensor can be current vortex sensor.These sensors can be with 24 hours
Continuously, timing, at equal intervals or triggering sampling, to realize monitoring to ship machine diesel engine.
In some embodiments, sensor connect with acquisition equipment (sensor and acquire the frame that is constituted of equipment can be with
Referred to as acquisition system), equipment, which is acquired, by cable connects server.Server passes through again in mobile data network and the monitoring of land bank
The heart carries out data transmission, and Lu An monitoring center and server constitute wide local area network, may be implemented on multiple engineering ships
The synchronization monitoring of distinct device.
The load of diesel engine is different under different operating conditions, for example, the load of diesel engine can be because of factors such as density, the flows of silt
Change and fluctuates；And the variation of vibration signal can be caused by loading variation, pass through the pass between research vibration signal and failure
System can judge fault condition by vibration signal.Above-described embodiment obtains the vibration signal of ship machine diesel engine by sensor,
Ship machine diesel engine most directly reliable information, therefore the status predication of the ship machine diesel engine determined according to vibration signal can be got
As a result accuracy with higher.Status monitoring can be carried out to ship machine diesel engine round-the-clockly simultaneously, can find ship at the first time
The failure of machine diesel engine, to be handled in time.
In one embodiment, diesel engine supervision data are compared with state evaluation data, it is true according to comparison result
The step of determining the status predication result of ship machine diesel engine, comprising: frequency spectrum data is compared with fault vibration frequency；If frequency spectrum
Data match with fault vibration frequency, determine that the status predication result of ship machine diesel engine is diesel engine fault.
Wherein, frequency spectrum data matches with fault vibration frequency can refer to the consistent or difference of the two less than preset
Threshold value；, can be when frequency spectrum data fall into the corresponding range of fault vibration frequency when state evaluation data refer to range, it will
The status predication result of ship machine diesel engine is determined as diesel engine fault.
Frequency spectrum data is compared the present embodiment with fault vibration frequency, and then determines that the state of ship machine diesel engine is pre-
Survey result；The determination process of status predication result is simple, can effectively improve the status predication accuracy rate of ship machine diesel engine.
In one embodiment, after the step of status predication result for determining ship machine diesel engine is diesel engine fault, also
It include: to export fault message to alarm terminal；Fault message formulates the maintenance project of ship machine diesel engine for guidance management personnel.
Wherein, alarm terminal can be various types of terminals, such as: mobile phone, intercom, central station of floating dock display etc..Pipe
Reason personnel can be diagnosed and be repaired to ship machine diesel engine, ship machine diesel engine can be effectively reduced after receiving fault message
Maintenance cost.As shown in figure 3, after determining status predication result fault message, server can be exported to alarm terminal
Data analysis can also be carried out to fault message and fault diagnosis suggestion is provided.Administrative staff carry out fault diagnosis later, arrange
Maintenance project, and carry out troubleshooting.
In addition, fault message can refer to warning message when ship machine diesel engine breaks down；It can also refer to that fault pre-alarming is believed
Breath, such as: in 2 hours following, vibration frequency failure will occur in diesel engine.Administrative staff can refer to the maintenance people of engineering ship
Member, monitoring personnel of central station of floating dock etc..
Status predication result is output to alarm terminal by above-described embodiment, and administrative staff can be made to get ship machine diesel oil in time
The fault message of machine, it is ensured that the normal operation of ship machine diesel engine.
In one embodiment, however, it is determined that the status predication result of ship machine diesel engine be it is normal, can also be in real time to report
The operating status of alert terminal output ship machine diesel engine, enables administrative staff to grasp the operating status of ship machine diesel engine in real time.
In one embodiment, after the step of determining the status predication result of ship machine diesel engine according to comparison result, also
Include: the spare parts logistics information obtained in acquisition data, is determined according to spare parts logistics information and event occurs in ship machine diesel engine
The components of barrier.
Wherein, spare parts logistics information refers to the running state information of components, can be with the corresponding vibration of nulling component
Signal.When being broken down due to different components, the corresponding vibration signal of ship machine diesel engine has difference, for example, vibration frequency
Center or frequency peak etc. can change.Therefore spare parts logistics therein can be analyzed according to acquisition data
Information, and then the components to break down can be analyzed.
It is of course also possible to obtain the bearing information carried in acquisition data, determine whether bearing occurs according to bearing information
Failure.
The present embodiment further determines that the components to break down after the status predication result for determining ship machine diesel engine,
The status predication result of ship machine diesel engine can be made more accurate, so that administrative staff targetedly carry out ship machine diesel engine
Maintenance.
In one embodiment, after the step of determining the status predication result of ship machine diesel engine according to comparison result, also
It include: the service life according to status predication prediction of result ship machine diesel engine.
Under different operating statuses, the remaining service life of ship machine diesel engine is different, therefore, can be according to state
Prediction result determines the service life of ship machine diesel engine.It is of course also possible in conjunction with degradation speed, (degradation speed can be according to ship
The state trend curves of the Historical Monitoring data of machine diesel engine determines) predict the service life of ship machine diesel engine.To ship machine bavin
The service life of oil machine is predicted, administrative staff can be made sufficiently to know the operating status and service life of diesel engine, in turn
It is better controlled and manages.
In one embodiment, server is also able to achieve following functions: vibration signal real-time monitoring, vibration signal transfinite report
Police, vibration signal historical data management, vibration signal trend analysis, ship machine fault diagnosis, rotor/gear/shaft hold accident analysis,
Bearing data base administration, data remote detecting, and ship machine monitoring report, ship machine SCADA (Supervisory can be generated
Control And Data Acquisition, i.e. data acquisition and supervisor control) data & plant maintenance record.
The above method in order to better understand, the trend prediction method of a ship machine diesel engine of the present invention detailed below
Application example.
1, the vibration signal of diesel engine is obtained for a long time by the way that acceleration transducer on a diesel engine is arranged.It will constantly accumulate
Vibration signal handled, determine the Historical Monitoring data of diesel engine.
2, these Historical Monitoring data are handled, obtains fault vibration frequency.
3, diesel engine supervision data are obtained by acceleration transducer, determines the corresponding spectrum number of diesel engine supervision data
According to；Frequency spectrum data is compared with fault vibration frequency, obtains the status predication result of ship machine diesel engine.
4, if it is determined that diesel engine can break down or damage within this week, then before diesel engine reaches malfunction
It exports fault pre-alarming information and realizes the predictive maintenance of diesel engine to prompt administrative staff to take engine maintenance countermeasure appropriate.
The trend prediction method of ship machine diesel engine provided in this embodiment, can automatically determine the status predication of ship machine diesel engine
As a result, the determination of status predication result does not need the participation of manpower, it is not easy to be influenced, can be had by external environment and subjective factor
Effect improves the status predication accuracy rate of ship machine diesel engine；While the operating status of administrative staff's timely learning ship machine can be made, and
It is handled in time when being likely to occur failure.
It should be noted that for the various method embodiments described above, describing for simplicity, it is all expressed as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described, because according to
According to the present invention, certain steps can use other sequences or carry out simultaneously.
Based on thought identical with the trend prediction method of ship machine diesel engine in above-described embodiment, the present invention also provides ships
The status predication device of machine diesel engine, the device can be used for executing the trend prediction method of above-mentioned ship machine diesel engine.For the ease of
Illustrate, in the structural schematic diagram of the status predication Installation practice of ship machine diesel engine, illustrate only and phase of the embodiment of the present invention
The part of pass, it will be understood by those skilled in the art that the restriction of schematic structure not structure twin installation, may include than illustrating more
More or less component perhaps combines certain components or different component layouts.
Such as Fig. 4, the status predication device of ship machine diesel engine includes that monitoring data obtain module 401, data acquisition module 402
With prediction result determining module 403, detailed description are as follows:
Monitoring data obtain module 401, for obtaining diesel engine supervision data；Diesel engine supervision data are according to acquisition equipment
The acquisition data of the ship machine diesel engine of transmission determine.
Data acquisition module 402, for obtaining the state evaluation data of ship machine diesel engine；State evaluation data are according to ship machine
The fault signature of diesel engine determines.
And prediction result determining module 403, for diesel engine supervision data to be compared with state evaluation data,
The status predication result of ship machine diesel engine is determined according to comparison result.
The present embodiment can automatically determine the status predication of ship machine diesel engine as a result, effectively improving the state of ship machine diesel engine
Predictablity rate.
In one embodiment, data acquisition module 402, comprising: fault signature acquisition submodule, for obtaining ship machine bavin
The fault signature of oil machine；Data acquisition submodule is evaluated, for determining ship according to fault signature and predetermined corresponding relationship
The fault vibration frequency of machine diesel engine obtains the state evaluation data of ship machine diesel engine；Wherein, corresponding relationship includes faulty spy
The mapping relations of sign and fault vibration frequency.
In one embodiment, monitoring data obtain module 401, comprising: acquisition data receiver submodule is adopted for receiving
Collect the acquisition data that equipment is sent；Acquisition data are obtained by sensor and are sent to acquisition equipment；Sensor is set to ship machine bavin
Oil machine；Monitoring data determine submodule, for determining the corresponding frequency spectrum data of acquisition data, obtain diesel engine supervision data.
In one embodiment, sensor includes acceleration transducer.
In one embodiment, data receiver submodule is acquired, is also used to receive the vibration signal that acquisition equipment is sent；Its
In, vibration signal is obtained by acceleration transducer measurement.
In one embodiment, prediction result determining module 403, comprising: comparison result determines submodule, is used for frequency spectrum
Data are compared with fault vibration frequency；Prediction result determines submodule, if being used for frequency spectrum data and fault vibration frequency phase
Matching determines that the status predication result of ship machine diesel engine is diesel engine fault.
In one embodiment, prediction result determining module 403, further includes: breakdown maintenance submodule, for whole to alarm
End output fault message；Fault message formulates the maintenance project of ship machine diesel engine for guidance management personnel.
In one embodiment, further includes: components determining module, for obtaining the spare parts logistics letter in acquisition data
Breath, the components to break down in ship machine diesel engine are determined according to spare parts logistics information.
In one embodiment, further includes: life prediction module, for according to status predication prediction of result ship machine diesel engine
Service life.
It should be noted that the shape of the status predication device of ship machine diesel engine of the invention and ship machine diesel engine of the invention
State prediction technique correspond, above-mentioned ship machine diesel engine trend prediction method embodiment illustrate technical characteristic and its have
For beneficial effect suitable for the embodiment of the status predication device of ship machine diesel engine, particular content can be found in the method for the present invention implementation
Narration in example, details are not described herein again, hereby give notice that.
In addition, in the embodiment of the status predication device of the ship machine diesel engine of above-mentioned example, the logic of each program module
Division is merely illustrative of, and can according to need in practical application, such as the configuration requirement or software of corresponding hardware
The convenient of realization considers, above-mentioned function distribution is completed by different program modules, i.e., the state of the ship machine diesel engine is pre-
The internal structure for surveying device is divided into different program modules, to complete all or part of the functions described above.
The trend prediction method of ship machine diesel engine provided by the present application can be applied to computer equipment as shown in Figure 5
In.The computer equipment can be server, be also possible to terminal device, and internal structure chart can be as shown in Figure 5.The calculating
Machine equipment includes processor, memory, network interface and the database connected by system bus.Wherein, processor is for mentioning
For calculating and control ability；Memory includes non-volatile memory medium, built-in storage, which is stored with
(computer program realizes a kind of status predication side of ship machine diesel engine when being executed by processor for operating system, computer program
Method) and database, the built-in storage provide ring for the operation of operating system and computer program in non-volatile memory medium
Border；Database is for storing data needed for the trend prediction method implementation procedure of ship machine diesel engine；Network interface be used for
External terminal is communicated by network connection communication, such as with acquisition equipment, to receive the acquisition data that acquisition equipment is sent.
It will be understood by those skilled in the art that structure shown in Fig. 5, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment is provided, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, processor perform the steps of acquisition diesel engine when executing computer program
Monitoring data；The acquisition data for the ship machine diesel engine that diesel engine supervision data are sent according to acquisition equipment determine；Obtain ship machine bavin
The state evaluation data of oil machine；State evaluation data are determined according to the fault signature of ship machine diesel engine；By diesel engine supervision data
It is compared with state evaluation data, the status predication result of ship machine diesel engine is determined according to comparison result.
In one embodiment, it is also performed the steps of when processor executes computer program and obtains ship machine diesel engine
Fault signature；According to fault signature and predetermined corresponding relationship, determines the fault vibration frequency of ship machine diesel engine, obtain ship
The state evaluation data of machine diesel engine；Wherein, corresponding relationship includes the mapping relations of fault signature Yu fault vibration frequency.
In one embodiment, reception acquisition equipment is also performed the steps of when processor executes computer program to send
Acquisition data；Acquisition data are obtained by sensor and are sent to acquisition equipment；Sensor is set to ship machine diesel engine；Determination is adopted
Collect the corresponding frequency spectrum data of data, obtains diesel engine supervision data.
In one embodiment, sensor includes acceleration transducer.
In one embodiment, reception acquisition equipment is also performed the steps of when processor executes computer program to send
Vibration signal；Wherein, vibration signal is obtained by acceleration transducer measurement.
In one embodiment, it also performs the steps of when processor executes computer program by frequency spectrum data and failure
Vibration frequency is compared；If frequency spectrum data matches with fault vibration frequency, the status predication result of ship machine diesel engine is determined
For diesel engine fault.
In one embodiment, it is also performed the steps of when processor executes computer program to alarm terminal and exports event
Hinder information；Fault message formulates the maintenance project of ship machine diesel engine for guidance management personnel.
In one embodiment, it is also performed the steps of when processor executes computer program in acquisition acquisition data
Spare parts logistics information determines the components to break down in ship machine diesel engine according to spare parts logistics information.
In one embodiment, it also performs the steps of when processor executes computer program according to status predication result
Predict the service life of ship machine diesel engine.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of when being executed by processor obtains diesel engine supervision data；Diesel engine supervision data are set according to acquisition
The acquisition data for the ship machine diesel engine that preparation is sent determine；Obtain the state evaluation data of ship machine diesel engine；State evaluation data root
It is determined according to the fault signature of ship machine diesel engine；Diesel engine supervision data are compared with state evaluation data, are tied according to comparing
Fruit determines the status predication result of ship machine diesel engine.
In one embodiment, it is also performed the steps of when computer program is executed by processor and obtains ship machine diesel engine
Fault signature；According to fault signature and predetermined corresponding relationship, determines the fault vibration frequency of ship machine diesel engine, obtain
The state evaluation data of ship machine diesel engine；Wherein, corresponding relationship includes the mapping relations of fault signature Yu fault vibration frequency.
In one embodiment, reception acquisition equipment hair is also performed the steps of when computer program is executed by processor
The acquisition data sent；Acquisition data are obtained by sensor and are sent to acquisition equipment；Sensor is set to ship machine diesel engine；It determines
The corresponding frequency spectrum data of data is acquired, diesel engine supervision data are obtained.
In one embodiment, sensor includes acceleration transducer.
In one embodiment, reception acquisition equipment hair is also performed the steps of when computer program is executed by processor
The vibration signal sent；Wherein, vibration signal is obtained by acceleration transducer measurement.
In one embodiment, it is also performed the steps of when computer program is executed by processor by frequency spectrum data and event
Barrier vibration frequency is compared；If frequency spectrum data matches with fault vibration frequency, the status predication knot of ship machine diesel engine is determined
Fruit is diesel engine fault.
In one embodiment, it also performs the steps of when computer program is executed by processor and is exported to alarm terminal
Fault message；Fault message formulates the maintenance project of ship machine diesel engine for guidance management personnel.
In one embodiment, it is also performed the steps of when computer program is executed by processor in acquisition acquisition data
Spare parts logistics information, the components to break down in ship machine diesel engine are determined according to spare parts logistics information.
In one embodiment, it also performs the steps of when computer program is executed by processor according to status predication knot
The service life of fruit prediction ship machine diesel engine.
It will appreciated by the skilled person that realizing all or part of the process in above-described embodiment method, being can
It is completed with instructing relevant hardware by computer program, the program can be stored in a computer-readable storage and be situated between
In matter, sells or use as independent product.The more specific example (non-exhaustive list) of computer-readable medium includes
Below: there is the electrical connection section (electronic device) of one or more wirings, portable computer diskette box (magnetic device), arbitrary access
Memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), optical fiber dress
It sets and portable optic disk read-only storage (CDROM).In addition, computer-readable medium, which can even is that, to be printed on it
The paper of described program or other suitable media, because can be for example by carrying out optical scanner to paper or other media, then
It edited, interpreted or is handled when necessary with other suitable methods electronically to obtain described program, then by it
Storage is in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
The term " includes " of the embodiment of the present invention and " having " and their any deformations, it is intended that cover non-exclusive
Include.Such as contain series of steps or the process, method, system, product or equipment of (module) unit are not limited to
The step of listing or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising for these
The intrinsic other step or units of process, method, product or equipment.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, should not be understood as to the invention patent range
Limitation.It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, the scope of protection of the patent of the present invention
It should be determined by the appended claims.
Claims (10)
1. a kind of trend prediction method of ship machine diesel engine, which comprises the following steps:
Obtain diesel engine supervision data；The acquisition number for the ship machine diesel engine that the diesel engine supervision data are sent according to acquisition equipment
According to determination；
Obtain the state evaluation data of the ship machine diesel engine；The state evaluation data are according to the failure of the ship machine diesel engine
Feature determines；
The diesel engine supervision data are compared with the state evaluation data, the ship machine bavin is determined according to comparison result
The status predication result of oil machine.
2. the trend prediction method of ship machine diesel engine according to claim 1, which is characterized in that described to obtain the ship machine
The step of state evaluation data of diesel engine, comprising:
Obtain the fault signature of the ship machine diesel engine；
According to the fault signature and predetermined corresponding relationship, determines the fault vibration frequency of the ship machine diesel engine, obtain
To the state evaluation data of the ship machine diesel engine；Wherein, the corresponding relationship includes fault signature and fault vibration frequency
Mapping relations.
3. the trend prediction method of ship machine diesel engine according to claim 2, which is characterized in that the acquisition diesel engine prison
The step of measured data, comprising:
Receive the acquisition data that acquisition equipment is sent；The acquisition data are obtained by sensor and are sent to the acquisition equipment；
The sensor is set to the ship machine diesel engine；
It determines the corresponding frequency spectrum data of the acquisition data, obtains the diesel engine supervision data.
4. the trend prediction method of ship machine diesel engine according to claim 3, which is characterized in that the sensor includes adding
Velocity sensor；
Described the step of receiving the acquisition data that acquisition equipment is sent, comprising:
Receive the vibration signal that acquisition equipment is sent；Wherein, the vibration signal is obtained by the acceleration transducer measurement.
5. the trend prediction method of ship machine diesel engine according to claim 3, which is characterized in that described by the diesel engine
Monitoring data are compared with the state evaluation data, and the status predication knot of the ship machine diesel engine is determined according to comparison result
The step of fruit, comprising:
The frequency spectrum data is compared with the fault vibration frequency；
If the frequency spectrum data matches with the fault vibration frequency, determine that the status predication result of the ship machine diesel engine is
Diesel engine fault.
6. the trend prediction method of ship machine diesel engine according to claim 5, which is characterized in that the determination ship machine
After the step of status predication result of diesel engine is diesel engine fault, further includes:
Fault message is exported to alarm terminal；The fault message is based on the maintenance that guidance management personnel formulate ship machine diesel engine
It draws.
7. the trend prediction method of ship machine diesel engine according to any one of claims 1 to 6, which is characterized in that described
After the step of determining the status predication result of the ship machine diesel engine according to comparison result, further includes:
The spare parts logistics information in the acquisition data is obtained, the ship machine diesel oil is determined according to the spare parts logistics information
The components to break down in machine.
8. a kind of status predication device of ship machine diesel engine characterized by comprising
Monitoring data obtain module, for obtaining diesel engine supervision data；The diesel engine supervision data are according to acquisition equipment hair
The acquisition data of the ship machine diesel engine sent determine；
Data acquisition module, for obtaining the state evaluation data of the ship machine diesel engine；The state evaluation data are according to institute
The fault signature for stating ship machine diesel engine determines；
And prediction result determining module, for the diesel engine supervision data to be compared with the state evaluation data,
The status predication result of the ship machine diesel engine is determined according to comparison result.
9. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized described in any one of claim 1 to 7 when executing the computer program
Method the step of.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of claim 1 to 7 described in any item methods are realized when being executed by processor.
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