CN110533255A - Engine maintaining time forecasting methods, device, equipment and storage medium - Google Patents
Engine maintaining time forecasting methods, device, equipment and storage medium Download PDFInfo
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- CN110533255A CN110533255A CN201910834497.XA CN201910834497A CN110533255A CN 110533255 A CN110533255 A CN 110533255A CN 201910834497 A CN201910834497 A CN 201910834497A CN 110533255 A CN110533255 A CN 110533255A
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Abstract
The disclosure proposes a kind of engine maintaining time forecasting methods, device, equipment and storage medium, is related to machinery equipment field.The described method includes: obtaining oil circuit filter filter core lossy data of different time at least twice before current time, the filter core lossy data includes the detection time information of the oil outlet oil pressure of the oil circuit filter, the corresponding oil outlet oil pressure, filter core lossy data based on the different time at least twice, determine the oil outlet oil pressure descending slope of the oil circuit filter, based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, the service time information of engine is determined.The disclosure is able to solve the prior art and carries out the true problem of service time forecasting inaccuracy to engine.
Description
Technical field
This disclosure relates to machinery equipment field, in particular to a kind of engine maintaining time forecasting methods, device,
Equipment and storage medium.
Background technique
With the development of mechanical technique, various mechanical equipments be will be used wider and wider, and be opened in communications and transportation, mineral products
Hair, water conservancy construction and constructing road etc. play an important role.Wherein, it is typically provided with and starts in mechanical equipment
The performance of machine, engine directly influences the service life of mechanical equipment, and therefore, it is necessary to maintain engine.
In the prior art, the fuel path of engine or lubricant oil way are provided with oil circuit filter, the oil circuit filtering
Device can gradually block with the use of engine, so as to lead to engine failure, therefore can be to the operation of engine
Time is counted, and when the accumulated running time of the engine reaching default runing time, determines that the engine needs to maintain.
But due to the operating condition of mechanical equipment and unstable, correspondingly, the loss situation of oil in engine road filter is also simultaneously
It is not identical, by counting this single mode of runing time of engine, it is inaccurate to the prediction of maintenance.
Summary of the invention
The disclosure is designed to provide a kind of engine maintaining time forecasting methods, device, equipment and storage medium, with
It is true to solve the problems, such as that the prior art carries out service time forecasting inaccuracy to engine.
To achieve the goals above, the disclosure the technical solution adopted is as follows:
In a first aspect, the disclosure proposes a kind of engine maintaining prediction technique, which comprises
Obtaining oil circuit filter, the filter core lossy data of different time, the filter core damage at least twice before current time
Consumption data include the detection time information of the oil outlet oil pressure of the oil circuit filter, the corresponding oil outlet oil pressure；
Based on the filter core lossy data of the different time at least twice, the oil outlet oil pressure of the oil circuit filter is determined
Descending slope；
Based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, the service time letter of engine is determined
Breath.
Optionally, the detection time information be used to indicate engine speed more than or equal to preset rotation speed threshold value it is total when
It is long, the method also includes:
It obtains the engine speed and counts the fortune that the engine speed is greater than or equal to the preset rotation speed threshold value
Turn duration；
When the operating duration, which rises to, is equal to default operating duration threshold value integral multiple, obtains the oil circuit filter and work as
Preceding oil outlet oil pressure and current sensing time information；
The current oil outlet oil pressure and the current sensing time information are stored to history filter core lossy data library；
Acquisition oil circuit filter filter core lossy data of different time at least twice before current time, comprising:
The filter core lossy data of the different time at least twice is obtained from the history filter core lossy data library.
Optionally, number is lost in the filter core of different time to the acquisition oil circuit filter at least twice before current time
According to, comprising:
Obtain the two Secondary filter lossy datas nearest apart from the current time.
Optionally, described to be based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, determine engine
Service time information, comprising:
When based on the oil outlet oil pressure descending slope, the default oil outlet oil pressure threshold value, the difference at least twice
Between filter core lossy data in current time closer filter core lossy data and preset algorithm described in distance, calculate described in obtaining
Service time information.
Optionally, the service time information includes the remaining runtime of engine, is based on the oil outlet described
Oil pressure descending slope and default oil outlet oil pressure threshold value, after the service time information for determining engine, the method also includes:
When the remaining runtime is greater than or equal to the first preset time threshold and when less than the second preset time threshold,
Issue maintenance alerting signal；
When the remaining runtime is less than first preset time threshold, engine locking signal is issued；
Wherein, first preset time threshold is less than second preset time threshold.
Second aspect, the disclosure also propose that a kind of engine maintaining prediction meanss, described device include:
First obtains module, and for obtaining oil circuit filter, the filter core of different time is damaged at least twice before current time
Data are consumed, the filter core lossy data includes the inspection of the oil outlet oil pressure, the corresponding oil outlet oil pressure of the oil circuit filter
Survey temporal information；
First determining module determines the oil circuit for the filter core lossy data based on the different time at least twice
The oil outlet oil pressure descending slope of filter；
Second determining module is determined for being based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value
The service time information of engine.
Optionally, the detection time information be used to indicate engine speed more than or equal to preset rotation speed threshold value it is total when
It is long, described device further include:
Second obtains module, for obtaining the engine speed and counting the engine speed more than or equal to described
The operating duration of preset rotation speed threshold value；
Third obtains module, for obtaining when the operating duration rises to and is equal to default operating duration threshold value integral multiple
Take the current oil outlet oil pressure of the oil circuit filter and current sensing time information；
Memory module is filtered for by the current oil outlet oil pressure and the current sensing time information, storing to history
Core loss database；
The first acquisition module is specifically used for:
The filter core lossy data of the different time at least twice is obtained from the history filter core lossy data library.
Optionally, the first acquisition module is specifically used for:
Obtain the two Secondary filter lossy datas nearest apart from the current time.
Optionally, second determining module is specifically used for:
When based on the oil outlet oil pressure descending slope, the default oil outlet oil pressure threshold value, the difference at least twice
Between filter core lossy data in current time closer filter core lossy data and preset algorithm described in distance, calculate described in obtaining
Service time information.
Optionally, the service time information includes the remaining runtime of engine, described device further include:
First reminding module, for being greater than or equal to the first preset time threshold and less than the when the remaining runtime
When two preset time thresholds, maintenance alerting signal is issued；
Second reminding module, for issuing hair when the remaining runtime is less than first preset time threshold
Motivation locking signal；
Wherein, first preset time threshold is less than second preset time threshold.
The third aspect, the disclosure also propose a kind of pre- measurement equipment of engine maintaining, comprising: processor, storage medium and total
Line, the storage medium is stored with the executable machine readable instructions of the processor, when the pre- measurement equipment of the engine maintaining
When operation, by the bus communication between the processor and the storage medium, the processor executes the machine can
Reading instruction, to execute such as the step of aforementioned first aspect the method.
Fourth aspect, the disclosure also propose a kind of computer readable storage medium, on the computer readable storage medium
The step of being stored with computer program, aforementioned first aspect the method executed when the computer program is run by processor.
In the embodiments of the present disclosure, the filter of different time at least twice before current time of oil circuit filter can be obtained
Core loss data, wherein filter core lossy data includes the detection of the oil outlet oil pressure, the corresponding oil outlet oil pressure of oil circuit filter
Temporal information, the filter core lossy data based on different time at least twice, can accurately determine the fuel-displaced of the oil circuit filter
Mouth oil pressure descending slope, the oil outlet oil pressure descending slope can illustrate the trend that oil outlet oil pressure is gradually reduced, that is, illustrate oil
The downward trend of road filter working performance is based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, determines
The service time information of engine, so that engine is maintained in instruction accurately according to the loss situation of oil circuit filter,
Reduce the possibility of engine damage.
Other feature and advantage of the disclosure will be illustrated in subsequent specification, also, partly be become from specification
It is clear that by implementing disclosure understanding.The purpose of the disclosure and other advantages can be by written specifications, power
Specifically noted structure is achieved and obtained in sharp claim and attached drawing.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the disclosure, letter will be made to attached drawing needed in the embodiment below
It singly introduces, it should be understood that the following drawings illustrates only some embodiments of the disclosure, therefore is not construed as to range
It limits, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other relevant attached drawings.
Fig. 1 shows a kind of structural schematic diagram of engine maintaining forecasting system provided by the disclosure；
Fig. 2 shows a kind of flow diagrams of engine maintaining prediction technique provided by the disclosure；
Fig. 3 shows a kind of service time prediction schematic diagram provided by the disclosure；
Fig. 4 shows the flow chart of another kind engine maintaining prediction technique provided by the disclosure；
Fig. 5 shows a kind of the functional block diagram of engine maintaining prediction meanss provided by the disclosure；
Fig. 6 shows the functional block diagram of another kind engine maintaining prediction meanss provided by the disclosure；
Fig. 7 shows the functional block diagram of another kind engine maintaining prediction meanss provided by the disclosure；
Fig. 8 shows a kind of the functional block diagram of the pre- measurement equipment of engine maintaining provided by the disclosure.
Specific embodiment
Below in conjunction with attached drawing in the disclosure, the technical solution in the disclosure is clearly and completely described.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Before the disclosure is explained in detail, first the application scenarios of the disclosure are introduced.
It is typically provided with engine in mechanical equipment, and power, such as automobile and various engineering machines is obtained with this
Tool etc..It include fuel path and lubricant oil way in engine, and in order to be filtered to fuel oil and lubricating oil, the fuel path
Oil circuit filter can be set with lubricant oil way, and being continuously increased with use date, the performance of oil circuit filter also can
Decline reduces the filter effect of fuel oil and lubricating oil, and then leads to that fuel burning effect is bad, workmanship is powerless, mechanical-hydraulic
The problem of part is worn, influences service life and the safety of engine and mechanical equipment, therefore, it is necessary to maintain engine,
It is correspondingly also required to predict the service time of engine.
Fig. 1 is please referred to, is a kind of structural schematic diagram of engine maintaining forecasting system provided by the disclosure.The system
100 may include pressure sensor 101, memory 102, controller 103, ECM (Engine Control Module, engine control
Molding block) 104 and display 105, wherein pressure sensor 101 can be set in mechanical equipment oil circuit filter it is fuel-displaced
Mouthful, controller 103 is communicated to connect with pressure sensor 101, memory 102, ECM104 and display 105 respectively.
Pressure sensor 101 is used to detect the oil outlet oil pressure and detection oil outlet oil pressure of the oil outlet of oil circuit filter
Detection time information, when the filter core in the oil circuit filter gradually blocks, which is gradually decreased.In the disclosure
The detection time information of oil outlet oil pressure and detection oil outlet oil pressure can also be sent to controller by pressure sensor 101
103, controller 103 can be by oil outlet oil pressure and the detection time information write-in memory 102 of detection oil outlet oil pressure.
Wherein, which can be set in fuel path and/or lubricant oil way, to be mentioned according to the disclosure
The engine maintaining prediction technique of confession predicts the opportunity of maintenance engine.
Memory 102 can be used for storing data relevant to engine maintaining prediction, such as oil outlet oil pressure and detection
Pre-set data and mediant needed for the filter cores such as temporal information lossy data and other engine maintaining prediction processes
According to.
Wherein, filter core lossy data can be used for illustrating the loss situation of filter core in engine oil path filter.When detection
Between information be used to illustrating and detecting opportunity of oil outlet oil pressure, may include the actual time, also may include other fixed in advance
The duration of justice.
For example, since morning on July 7th, 2019, at interval of the oil outlet oil pressure of detection in 1 hour, then when the detection
Between information may include detect oil outlet oil pressure real time, i.e. 2 points 1 point of July 7 in 2019, on July 7th, 2019,2019
3 points etc. of on July 7, alternatively, the detection time information may include starting the time duration of detection, i.e., 1 hour, 2 hours, it is 3 small
When etc..In practical applications, detection time information can be determined by controller 103, not be exemplified as limiting with above-mentioned.
ECM104 can control engine according to the input information of each sensor for the core component of engine control
Fuel oil injection and time of ignition, and control instruction is provided for other output devices.
Wherein, ECM104 can pass through CAN (Controller Area Network, controller local with controller 103
Network) bus communication connection.
Display 105 can be used for interacting with user, for example can show to user and carry out engine maintaining prediction
Result, carry out the mode etc. of engine maintaining.
Wherein, display 105 can be shown by pop-up or other way, and the disclosure is to this display 105
Display mode is not specifically limited.
Controller 103 is used to interact with pressure sensor 101, memory 102, ECM104 and display 105, including
To pressure sensor 101, memory 102, ECM104 and display 105 send engine maintaining predict relevant operational order,
Engine maintaining, which is obtained, from pressure sensor 101, memory 102, ECM104 and display 105 predicts relevant information.
In addition, in another alternative embodiment of the disclosure, in memory 102, controller 103 and display 105 one
It is a or it is multiple can be set in mechanical equipment, also can be set outside mechanical equipment.
Below with reference to above-mentioned application scenarios, the disclosure is specifically described.
It referring to figure 2., is a kind of flow diagram of engine maintaining prediction technique provided by the disclosure.This method can
To be applied in controller 103 shown in FIG. 1.It should be noted that engine maintaining prediction technique described in the disclosure is not
It is limitation with Fig. 2 and specific order as described below, it should be understood that in other embodiments, engine described in the disclosure
The sequence of maintenance prediction technique part step can be exchanged with each other according to actual needs or part steps therein can also
To omit or delete.Process shown in Fig. 2 will be described in detail below.
Step 201, oil circuit filter filter core lossy data of different time at least twice before current time is obtained, it should
Filter core lossy data includes the detection time information of the oil outlet oil pressure of oil circuit filter, the corresponding oil outlet oil pressure.
With the use of oil in engine road filter, which can gradually block, and oil outlet oil pressure can be gradually
Decline, in order to determine the loss situation of filter core in oil circuit filter, so that on the opportunity that engine is maintained in prediction, can obtain
Take out the filter cores lossy datas such as the detection time information of hydraulic fluid port oil pressure and the corresponding oil outlet oil pressure.
The filter core lossy data of different time at least twice can be obtained before current time from memory 102, and
Filter core lossy data in the memory 102 can be detected and stored to obtain by pressure sensor 101.
Step 202, based on the filter core lossy data of different time at least twice, the oil outlet oil of the oil circuit filter is determined
Depress drop angle rate.
Since filter core lossy data includes the oil outlet oil pressure of oil circuit filter, the detection time of the corresponding oil outlet oil pressure
Information, then the filter core lossy data based at least two different times, so that it may determine the descending slope of oil outlet oil pressure, it should
The descending slope of oil outlet oil pressure is capable of the downward trend of oil outlet oil pressure, the i.e. speed of oil circuit filter strainability decaying,
When the slope is bigger, then illustrate the faster of oil circuit filter strainability decaying, oil circuit filter is also just closer to obstruction completely.
The filter core lossy data of two different times can be selected from the filter core lossy data of different time at least twice,
By the difference of the oil outlet oil pressure in two Secondary filter lossy datas, (detected fuel-displaced twice divided by the difference of detection time information
The time interval of mouth oil pressure), the ratio of the difference of the difference and detection time information of the oil outlet oil pressure, as oil outlet oil pressure
Descending slope.
For example, getting filter core lossy data includes P1、t1、P2、t2, wherein t1For P1Corresponding detection time information, t2
For P2Corresponding detection time information, then the descending slope of oil outlet oil pressure be
It should be noted that when can randomly choose different twice from the filter core lossy data of different time at least twice
Between filter core lossy data, alternatively, can select distance current most from this at least twice the filter core lossy data of different time
The filter core lossy data of close two different times, alternatively, selection obtains twice not according to other preset selection modes
With the filter core lossy data of time, the embodiment of the present disclosure is selected twice from the filter core lossy data of different time at least twice
The mode of the filter core lossy data of different time is not specifically limited.
In addition, can also be lost based on the filter core of different time at least twice in another alternative embodiment of the disclosure
Multiple oil outlet oil pressure descending slopes are calculated in the filter core lossy data of the two different times of arbitrary neighborhood in data, and
Maximum oil outlet oil pressure descending slope is obtained from multiple oil outlet oil pressure descending slope as finally determining oil circuit
The oil outlet oil pressure descending slope of filter.
Step 203, it is based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, determines the maintenance of engine
Temporal information.
For the ease of the opportunity for predicting to maintain engine according to the loss situation of oil circuit filter, to make user
Engine is maintained in advance, reduces the possibility of engine damage, based on the oil outlet oil pressure descending slope and can be preset
Oil outlet oil pressure threshold value determines the service time information of engine.
Default oil outlet oil pressure threshold value can serve to indicate that the minimum oil outlet oil pressure that engine operates normally.This is pre- to set out
Hydraulic fluid port oil pressure threshold value can be by presetting to obtain, for example, can receive the pressure value that user submits in advance by controller 103
Oil outlet oil pressure threshold value is preset as this, and this is preset into oil outlet oil pressure threshold value and is stored into memory 102.
Service time information can be used for illustrating the opportunity maintained engine, which may include
One time point or a period.
Default oil outlet oil pressure threshold value can be obtained from memory 102, and based on oil outlet oil pressure descending slope and in advance
Hydraulic fluid port oil pressure threshold value is set out, determines the service time information of engine.
Wherein it is possible to which the filter core lossy data of different time selects a filter core loss at least twice before current time
Data, based on oil outlet oil pressure, oil outlet oil pressure descending slope and the default oil outlet oil pressure threshold value in the filter core lossy data
It, can be by the oil outlet oil pressure in the filter core lossy data and between default oil outlet oil pressure threshold value when determining service time information
Difference, be determined as service time information with the ratio of the oil outlet oil pressure descending slope, which may include
Indicate the remaining runtime of engine.Alternatively, when based on oil outlet oil pressure, the detection time letter in the filter core lossy data
When breath, oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value determine service time information, it can determine that the filter core damages
Consume the oil outlet oil pressure in data and the difference between default oil outlet oil pressure threshold value, and the ratio of the oil outlet oil pressure descending slope
The sum of the ratio and the detection time information is determined as service time information by value, which can serve to indicate that
The time point that engine is maintained.
For example, the oil outlet oil pressure descending slope of oil circuit filter is k, default oil outlet oil pressure threshold value isFrom current
It includes P that the filter core lossy data of different time, which selects a filter core lossy data, at least twice before moment2、t2, it is determined that maintenance
Temporal information isOrWherein, txFor the remaining runtime of engine, t 'xWith
In the time point that engine is maintained in instruction.
It should be noted that can the filter core lossy data random selection of different time at least twice before current time
One filter core lossy data, alternatively, the filter core lossy data that selection is nearest apart from current time, alternatively, being set in advance according to other
Fixed selection mode, selection obtain a filter core lossy data, the embodiment of the present disclosure to before current time at least twice not
Filter core lossy data with the time selects the mode of a filter core lossy data to be not specifically limited.
Certainly, in practical applications, based on oil outlet oil pressure descending slope and can also preset fuel-displaced otherwise
Mouth oil pressure threshold value, determines the service time information of engine, for example can receive the oil outlet oil pressure of related technical personnel's submission
The corresponding relationship of descending slope, default oil outlet oil pressure threshold value and service time information, so as to be based on the oil outlet oil pressure
Descending slope and default oil outlet oil pressure threshold value, from when oil outlet oil pressure descending slope, default oil outlet oil pressure threshold value and maintenance
Between information corresponding relationship in acquire corresponding service time information.
In the embodiments of the present disclosure, the filter of different time at least twice before current time of oil circuit filter can be obtained
Core loss data, wherein filter core lossy data includes the detection of the oil outlet oil pressure, the corresponding oil outlet oil pressure of oil circuit filter
Temporal information, the filter core lossy data based on different time at least twice, can accurately determine the fuel-displaced of the oil circuit filter
Mouth oil pressure descending slope, the oil outlet oil pressure descending slope can illustrate the trend that oil outlet oil pressure is gradually reduced, that is, illustrate oil
The downward trend of road filter working performance is based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, determines
The service time information of engine, so that engine is maintained in instruction accurately according to the loss situation of oil circuit filter,
Reduce the possibility of engine damage.
Optionally, detection time information is used to indicate the total duration that engine speed is greater than or equal to preset rotation speed threshold value,
Available engine speed simultaneously counts the operating duration that the engine speed is greater than or equal to preset rotation speed threshold value, when in place
When length is risen to equal to default operating duration threshold value integral multiple, when obtaining the current oil outlet oil pressure of oil circuit filter and current detection
Between information current oil outlet oil pressure and current sensing time information are stored to history filter core lossy data library, correspondingly, step
Rapid 201 obtain oil circuit filter, and the operation of the filter core lossy data of different time can wrap at least twice before current time
It includes: obtaining the filter core lossy data of different time at least twice from history filter core lossy data library.
When the engine speed is lower, the fuel oil or lubricating oil being lost are less, thus the loss of oil circuit filter can be with
Ignore, so acquisition filter can be detected according to engine speed in order to which further Accurate Prediction is to the time of engine maintaining
Core loss data, and the filter core lossy data detected is stored to filter core lossy data library.
Engine speed can be acquired from ECM104 by controller 103 by the communication bus in mechanical equipment.
Predict that rotary speed threshold value can be by presetting to obtain.It is submitted in advance for example, user can be received by controller 103
Revolving speed store as the preset rotation speed threshold value, and by the preset rotation speed threshold value to memory 102.
Default operating duration threshold value can be by being arranged to obtain in advance.For example, it is prior to receive user by controller 103
The duration of submission is stored as the default operating duration threshold value, and by the default operating duration threshold value to memory 102.
Wherein, when detection time information is used to indicate the total duration that engine speed is greater than or equal to preset rotation speed threshold value
When, which can be the integral multiple of default operating duration threshold value.
Engine speed can be obtained from ECM104 by controller 103, obtain default operating duration threshold value from memory 102
With prediction rotary speed threshold value, the operating duration that the engine speed is greater than or equal to preset rotation speed threshold value is counted, it is long when in place to increase
When long to equal than default operating duration threshold value integral multiple, control pressure sensor 101 obtains the current oil outlet oil of oil circuit filter
Current oil outlet oil pressure and current sensing time information are stored going through into memory 102 by pressure and current sensing time information
History filter core lossy data library.It that is to say, in the case where engine speed is greater than or equal to preset rotation speed threshold value, pressure sensor
101 can detect current oil outlet oil pressure at interval of the corresponding duration of default operating duration threshold value, and by current oil outlet oil pressure
With current sensing time information, store to memory 102.
Optionally, when detection time information can be to preset the integral multiple for operating duration threshold value, adjacent oil outlet twice
The corresponding detection time information of oil pressure is fixed duration, then the oil outlet oil pressure that can be will test according to the order detected into
Row storage, then can determine between any two oil outlet oil pressure, starting according to the order of any two oil outlet oil pressure
Machine revolving speed is greater than or equal to the total duration of default operating duration threshold value, and also there is no need to store detection time information again.
Optionally, step 201 obtains the filter core loss of different time at least twice before current time of oil circuit filter
The operation of data may include: to obtain the two Secondary filter lossy datas nearest apart from current time.Correspondingly, history filter core is lost
Database can only store the two Secondary filter lossy datas nearest apart from current time.
It is closer apart from current time since the filter efficiency of oil circuit filter can be gradually severe with the growth of working time
The variation of filter core lossy data, can more illustrate the nearest loss situation of oil circuit filter, thus in order to as far as possible in real time to hair
The maintenance opportunity of motivation is predicted, the accuracy of prediction engine maintaining time is further increased, and available distance is current
The two Secondary filter lossy datas of moment recently.
Optionally, step 203 is based on oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, determines engine
The operation of service time information may include: based on oil outlet oil pressure descending slope, default oil outlet oil pressure threshold value, at least twice
Apart from current time closer filter core lossy data and preset algorithm in the filter core lossy data of different time, calculates to obtain and protect
Support temporal information.
It is closer apart from current time since the filter efficiency of oil circuit filter can be gradually severe with the growth of working time
The variation of filter core lossy data, can more illustrate the nearest loss situation of oil circuit filter, thus in order to as far as possible in real time to hair
The maintenance opportunity of motivation is predicted, the accuracy of prediction engine maintaining time is further increased, can be based on oil outlet oil
Depress drop angle rate, default oil outlet oil pressure threshold value and at least twice in the filter core lossy data of different time apart from current time
Closer filter core lossy data determines service time information.
Wherein, preset algorithm can be by being determined in advance to obtain.It can be based on apart from current time closer filter core loss
Oil outlet oil pressure, oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value in data determine service time information, packet
It includes the oil outlet oil pressure in current time closer filter core lossy data and the difference between default oil outlet oil pressure threshold value
Value, is determined as service time information with the ratio of the oil outlet oil pressure descending slope, which may include instruction
The remaining runtime of engine.Alternatively, can be based on the oil outlet oil in current time closer filter core lossy data
Pressure, detection time information, oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value determine service time information, including true
The difference between oil outlet oil pressure and default oil outlet oil pressure threshold value in set a distance current time closer filter core lossy data,
With the ratio of the oil outlet oil pressure descending slope, the sum of the ratio and the detection time information is determined as service time information,
The service time information can serve to indicate that the time point maintained engine.
Optionally, when determining that history filter core lossy data library stores new filter core lossy data, it is current to obtain distance
The two Secondary filter lossy datas of moment recently.
When history filter core lossy data library stores new filter core lossy data, that is, obtain nearest apart from current time
Two Secondary filter lossy datas, so as to be started by the determination of engine maintaining prediction technique provided by the embodiment of the present disclosure
The service time information of machine, the real-time that the maintenance opportunity to engine that further increases is predicted, makes predicted maintenance
Temporal information is more accurate.
For example, referring to figure 3., providing a kind of service time prediction schematic diagram, wherein y-axis indicates oil outlet oil pressure p, x
Axis indicates detection time information t, and default oil outlet oil pressure threshold value isIt include P when getting filter core lossy data earlier1、
t1、P2、t2When, it is determined that obtaining service time information is tx1.It include P when newly getting filter core lossy data3、t3When, then it is based on
P2、t2、P3、t3Determine that obtaining service time information is tx2, service time information is updated to realize.
Optionally, service time information includes the remaining runtime of engine, correspondingly, being based in step 203 fuel-displaced
Mouth oil pressure descending slope and default oil outlet oil pressure threshold value work as residue after the operation of service time information for determining engine
Runing time is greater than or equal to the first preset time threshold and when less than the second preset time threshold, issues maintenance alerting signal,
When the remaining runtime is less than the first preset time threshold, engine locking signal is issued, wherein the first preset time threshold
Value is less than the second preset time threshold.Certainly, when remaining runtime is greater than or equal to the second preset time threshold, Ke Yizai
It is secondary to determine the service time information of engine in the manner described above, the opportunity of engine maintaining is carried out in advance with implementing with lasting
It surveys.
In order to remind user and be maintained engine in time, the possibility of hang-up maintenance is reduced, it can be with
Based on currently determining service time information, maintenance alerting signal, engine locking signal are issued.Wherein, alerting signal is maintained
It can be used for that user is reminded to maintain engine, such as replacement filter core or oil circuit filter；Engine locking signal can
Engine is locked with being used to indicate, to forbid engine to remain in operation.
First preset time threshold and the second preset time threshold can be by being arranged to obtain in advance.For example, can be by
Controller 103 receives the time of user's submission respectively as the first default service time threshold value and the second default service time threshold
Value, and the first default service time threshold value and the second default service time threshold value are stored to memory 102.
It should be noted that the embodiment of the present disclosure is to the big of this first preset time threshold and the second preset time threshold
It is small to be not specifically limited.
It is alternatively possible to obtain the first preset time threshold and the second preset time threshold from memory by controller 103
Value, determining remaining runtime is compared with the first preset time threshold and the second preset time threshold respectively.When
Determine that remaining runtime is greater than or equal to the first preset time threshold and when less than the second preset time threshold, controls display
105 issue the maintenance alerting signal such as replacement oil circuit filter by modes such as flashing icon or pop-ups.When determine the residue transport
When the row time is less than the first preset time threshold, control ECM104 issues engine locking signal.
It referring to figure 4., is a kind of flow chart of engine maintaining prediction technique provided by the disclosure, this method comprises:
Step 401, pressure sensor 101 detects oil outlet oil pressure；
Step 402, controller 103 determines the remaining runtime of engine, judges whether the remaining runtime is greater than
Or it is equal to the second preset time threshold, if it is return step 401, no to then follow the steps 403；
Step 403, controller 103 judges whether the remaining runtime is greater than or equal to the first preset time threshold, such as
Fruit is to then follow the steps 404A, no to then follow the steps 404B；
Step 404A issues maintenance alerting signal, return step 401；
Step 404B issues engine locking signal, replaces oil circuit filter, return step 401.
It referring to figure 5., is a kind of the functional block diagram of engine maintaining prediction meanss 500 provided by the disclosure.
The engine maintaining prediction meanss 500 can be applied in controller 103.It should be noted that hair provided by the present embodiment
The technical effect of motivation maintenance prediction meanss 500, basic principle and generation is identical as aforementioned corresponding embodiment of the method, for letter
It describes, does not refer to part in the present embodiment, can refer to the corresponding contents in embodiment of the method.Engine maintaining prediction dress
It sets, 500 include the first acquisition module 501, the first determining module 502, the second determining module 503.
First obtains module 501, for obtaining the filter of different time at least twice before current time of oil circuit filter
Core loss data, the filter core lossy data include the detection of the oil outlet oil pressure, the corresponding oil outlet oil pressure of the oil circuit filter
Temporal information；
First determining module 502 determines that the oil circuit is filtered for the filter core lossy data based on the different time at least twice
The oil outlet oil pressure descending slope of clear device；
Second determining module 503 is determined for being based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value
The service time information of engine.
Optionally, the detection time information be used to indicate engine speed more than or equal to preset rotation speed threshold value it is total when
It is long, Fig. 6 is please referred to, the device further include:
Second obtains module 504, pre- more than or equal to this for obtaining the engine speed and counting the engine speed
If the operating duration of rotary speed threshold value；
Third obtains module 505, for obtaining when the operating duration rises to and is equal to default operating duration threshold value integral multiple
Take the current oil outlet oil pressure of the oil circuit filter and current sensing time information；
Memory module 506, for storing the current oil outlet oil pressure and the current sensing time information to history filter core
Lossy data library；
The first acquisition module 501 is specifically used for:
The filter core lossy data of the different time at least twice is obtained from the history filter core lossy data library.
Optionally, which is specifically used for:
Obtain the two Secondary filter lossy datas nearest apart from current time.
Optionally, which is specifically used for:
Filter based on the oil outlet oil pressure descending slope, the default oil outlet oil pressure threshold value, the different time at least twice
Apart from current time closer filter core lossy data and preset algorithm in core loss data, calculates and obtain service time letter
Breath.
Optionally, which includes the remaining runtime of engine, please refers to Fig. 7, the device further include:
First reminding module 507, for when the remaining runtime is greater than or equal to the first preset time threshold and is less than
When the second preset time threshold, maintenance alerting signal is issued；
Second reminding module 508, for when the remaining runtime is less than first preset time threshold, sending to be started
Machine locking signal；
Wherein, which is less than second preset time threshold.
The method that above-mentioned apparatus is used to execute previous embodiment offer, it is similar that the realization principle and technical effect are similar, herein not
It repeats again.
The above module can be arranged to implement one or more integrated circuits of above method, such as: one
Or multiple specific integrated circuits (Application Specific Integrated Circuit, abbreviation ASIC), or, one
Or multi-microprocessor (digital singnal processor, abbreviation DSP), or, one or more field programmable gate
Array (Field Programmable Gate Array, abbreviation FPGA) etc..For another example, when some above module passes through processing elements
When the form of part scheduler program code is realized, which can be general processor, such as central processing unit (Central
Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules can integrate
Together, it is realized in the form of system on chip (system-on-a-chip, abbreviation SOC).
Fig. 8 is please referred to, is a kind of the functional block diagram of the pre- measurement equipment of engine maintaining provided by the disclosure.The hair
It may include processor 801, storage medium 802 and bus 803 that motivation, which maintains pre- measurement equipment, which is stored with this
The executable machine readable instructions of processor 801, when the pre- measurement equipment operation of the engine maintaining, which deposits with this
It is communicated between storage media 802 by bus 803, which executes the machine readable instructions, and above method reality may be implemented
Apply example.Specific implementation is similar with technical effect, and which is not described herein again.
Optionally, the disclosure also provides a computer readable storage medium, is stored on the computer readable storage medium
Computer program, execution when which is run by processor, to realize above method embodiment.
In several embodiments provided by the disclosure, it should be understood that Installation practice described above is only
Schematically, disclosed device and method, may be implemented in other ways.Such as the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed, such as each unit can integrate at one
It manages in unit, is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units
In.Above-mentioned integrated unit both can take the form of hardware realization, and the form of SFU software functional unit can also be added using hardware
It realizes.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of engine maintaining prediction technique, which is characterized in that the described method includes:
Obtaining oil circuit filter, number is lost in the filter core lossy data of different time, the filter core at least twice before current time
According to the detection time information of oil outlet oil pressure, the corresponding oil outlet oil pressure including the oil circuit filter；
Based on the filter core lossy data of the different time at least twice, the oil outlet oil pressure decline of the oil circuit filter is determined
Slope；
Based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, the service time information of engine is determined.
2. the method as described in claim 1, which is characterized in that the detection time information is used to indicate engine speed and is greater than
Or the total duration equal to preset rotation speed threshold value, the method also includes:
When obtaining the engine speed and counting operating of the engine speed more than or equal to the preset rotation speed threshold value
It is long；
When the operating duration, which rises to, is equal to default operating duration threshold value integral multiple, obtains the oil circuit filter and currently go out
Hydraulic fluid port oil pressure and current sensing time information；
The current oil outlet oil pressure and the current sensing time information are stored to history filter core lossy data library；
Acquisition oil circuit filter filter core lossy data of different time at least twice before current time, comprising:
The filter core lossy data of the different time at least twice is obtained from the history filter core lossy data library.
3. method according to claim 1 or 2, which is characterized in that the acquisition oil circuit filter before current time extremely
The filter core lossy data of few two different times, comprising:
Obtain the two Secondary filter lossy datas nearest apart from the current time.
4. the method as described in claim 1, which is characterized in that described to be based on the oil outlet oil pressure descending slope and set out in advance
Hydraulic fluid port oil pressure threshold value determines the service time information of engine, comprising:
Based on the oil outlet oil pressure descending slope, the default oil outlet oil pressure threshold value, the different time at least twice
The closer filter core lossy data of current time described in distance and preset algorithm in filter core lossy data calculate and obtain the maintenance
Temporal information.
5. the method as described in claim 1, which is characterized in that when the service time information includes the remaining operation of engine
Between, it is based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value described, determines the service time of engine
After information, the method also includes:
When the remaining runtime is greater than or equal to the first preset time threshold and when less than the second preset time threshold, issue
Maintain alerting signal；
When the remaining runtime is less than first preset time threshold, engine locking signal is issued；
Wherein, first preset time threshold is less than second preset time threshold.
6. a kind of engine maintaining prediction meanss, which is characterized in that described device includes:
First obtains module, and for obtaining oil circuit filter, number is lost in the filter core of different time at least twice before current time
According to when the filter core lossy data includes the detection of the oil outlet oil pressure of the oil circuit filter, the corresponding oil outlet oil pressure
Between information；
First determining module determines the oil circuit filtering for the filter core lossy data based on the different time at least twice
The oil outlet oil pressure descending slope of device；
Second determining module, for being based on the oil outlet oil pressure descending slope and default oil outlet oil pressure threshold value, determination is started
The service time information of machine.
7. device as claimed in claim 6, which is characterized in that the detection time information is used to indicate engine speed and is greater than
Or the total duration equal to preset rotation speed threshold value, described device further include:
Second obtains module, is greater than or equal to described preset for obtaining the engine speed and counting the engine speed
The operating duration of rotary speed threshold value；
Third obtains module, for obtaining institute when the operating duration rises to and is equal to default operating duration threshold value integral multiple
State the current oil outlet oil pressure of oil circuit filter and current sensing time information；
Memory module is damaged for by the current oil outlet oil pressure and the current sensing time information, storing to history filter core
Consume database；
The first acquisition module is specifically used for:
The filter core lossy data of the different time at least twice is obtained from the history filter core lossy data library.
8. device as claimed in claims 6 or 7, which is characterized in that the first acquisition module is specifically used for:
Obtain the two Secondary filter lossy datas nearest apart from the current time.
9. a kind of pre- measurement equipment of engine maintaining characterized by comprising processor, storage medium and bus, the storage are situated between
Matter is stored with the executable machine readable instructions of the processor, when the pre- measurement equipment operation of the engine maintaining, the place
It manages by the bus communication between device and the storage medium, the processor executes the machine readable instructions, to execute
Such as the step of claim 1-5 either method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program executes when the computer program is run by processor such as the step of claim 1-5 either method.
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Cited By (1)
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| CN112459861A (en) * | 2020-12-21 | 2021-03-09 | 潍柴动力股份有限公司 | Method for detecting cracking fault of filter element of centrifugal oil filter and related product |
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