CN117005946A - Engine early warning method, system, engine, storage medium and electronic equipment - Google Patents
Engine early warning method, system, engine, storage medium and electronic equipment Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000001133 acceleration Effects 0.000 claims abstract description 114
- 238000002347 injection Methods 0.000 claims abstract description 103
- 239000007924 injection Substances 0.000 claims abstract description 103
- 230000002159 abnormal effect Effects 0.000 claims abstract description 92
- 239000000446 fuel Substances 0.000 claims abstract description 54
- 238000012937 correction Methods 0.000 claims abstract description 44
- 238000004590 computer program Methods 0.000 claims description 17
- 238000009825 accumulation Methods 0.000 claims description 13
- 230000005856 abnormality Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 abstract description 16
- 238000004891 communication Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/083—Safety, indicating, or supervising devices relating to maintenance, e.g. diagnostic device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The application discloses an engine early warning method, which comprises the following steps: acquiring current acceleration information of a target engine in real time; counting abnormal times of the acceleration information when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value; when the abnormal times of the acceleration information are greater than the preset abnormal times, generating an oil injection correction instruction so as to enable the target engine to carry out oil quantity correction; acquiring a fuel injection quantity required value and a current fuel injection quantity value of a target engine; counting abnormal oil quantity times when the difference value between the oil quantity demand value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value; when the abnormal oil quantity times are larger than the preset abnormal oil quantity times, acquiring the operation parameters of the target engine; and when the operation parameters meet preset early warning conditions, early warning is carried out. The oil injection can be intelligently corrected, the conventional operation parameters of the engine are monitored, and when the parameters exceed the threshold range, maintenance early warning reminding is sent out.
Description
Technical Field
The application relates to the technical field of engine fuel injectors, in particular to an engine early warning method, an engine early warning system, an engine, a storage medium and electronic equipment.
Background
With the rapid development of social economy, the national importance of environmental protection is increasing, and the national five-emission standard requirements for special vehicles (buses, sanitation and postal service) are implemented in the eastern 11 provinces of 4 months in 2016, and in addition, the national six-product market is continuously logged in from 2020.
While regulations are more stringent, drivers have new demands for driving comfort, intellectualization, and efficient operating costs of vehicles. In the field of diesel engines, in the current control strategy, the control of oil injection of an oil injector also belongs to a more traditional open-loop mode, namely, corresponding oil injection quantity is calibrated in advance according to the requirements of different engine operation conditions, calibrated data are loaded into a driving computer, and the driving computer carries out fuel injection according to the actual operation conditions of a vehicle and preset oil injection instructions. When the original injection strategy cannot meet the actual requirements after the fuel injector is worn along with the lengthening of the service time, the normal use of a customer is affected to a certain extent. Common problems caused by the problems include insufficient power, black smoke emission, abnormal sound caused by abnormal combustion and the like, which not only affect the driving feeling of a driver, but also increase the operation cost of a client, and are contrary to the current energy-saving and emission-reducing policy.
Disclosure of Invention
Aiming at the problems, the application provides the engine early warning method, the system, the storage medium and the electronic equipment, which improve the driving feeling of the client by dynamically correcting the engine, reduce the effective operation cost of the client by intelligent maintenance early warning prompt and are beneficial to the market popularization of products and the energy conservation.
In a first aspect of the present application, an engine warning method is provided, the method comprising:
acquiring current acceleration information of a target engine, a fuel injection quantity required value and a current fuel injection quantity value in real time;
counting abnormal times of the acceleration information, which occur when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value;
when the abnormal times of the acceleration information are larger than the preset abnormal times, generating an oil injection correction instruction so as to enable the target engine to carry out oil quantity correction;
counting abnormal oil quantity times when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value;
when the abnormal oil quantity times are larger than the preset abnormal oil quantity times, acquiring the operation parameters of the target engine;
and when the operation parameters meet preset early warning conditions, early warning is carried out.
In some embodiments, after generating an injection correction command when the abnormal number of times of the acceleration information is greater than a preset abnormal number of times, so that the target engine performs oil quantity correction, the method further includes:
acquiring the operation parameters of the target engine;
counting abnormal accumulation time when the operation parameters meet preset abnormal conditions;
and when the abnormal accumulation time length is longer than the preset accumulation time length, early warning is carried out.
In some embodiments, the operating parameters include:
engine speed, acceleration signal, exhaust temperature and tailpipe emissions.
In some embodiments, the acquiring acceleration information includes:
and acquiring the acceleration information through an acceleration signal sensor.
In some embodiments, the obtaining the fuel injection amount demand value includes:
acquiring the rotating speed of the target engine and the position information of an accelerator pedal;
and obtaining the fuel injection quantity required value according to the rotating speed and the accelerator pedal position information.
In some embodiments, the obtaining the current fuel injection quantity value includes:
acquiring current rail pressure and current power-on time information of the target engine;
and obtaining the current oil injection oil quantity value according to the current rail pressure and the current power-on time information.
In a second aspect of the present application, there is provided an engine warning system, the system comprising:
the acceleration information acquisition unit is used for acquiring current acceleration information of the target engine in real time;
the acceleration information abnormality statistical unit is used for counting the abnormal times of the acceleration information when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value;
the oil quantity correction unit is used for generating an oil injection correction instruction when the abnormal times of the acceleration information are larger than the preset abnormal times so as to enable the target engine to carry out oil quantity correction;
the oil injection quantity acquisition unit is used for acquiring the oil injection quantity required value and the current oil injection quantity value of the target engine;
the oil quantity abnormality counting unit is used for counting the abnormal times of the oil quantity when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value;
an operation parameter obtaining unit, configured to obtain an operation parameter of the target engine when the abnormal number of oil amounts is greater than a preset abnormal number of oil amounts;
and the early warning unit is used for carrying out early warning when the operation parameters meet preset early warning conditions.
In a third aspect of the application, an engine is provided comprising an engine warning system as described above.
In a fourth aspect of the present application, a storage medium storing a computer program executable by one or more processors for implementing an engine warning method as described above is provided.
In a fifth aspect of the present application, there is provided an electronic device comprising a memory and a processor, the memory having stored thereon a computer program, the memory and the processor being communicatively coupled to each other, the computer program, when executed by the processor, implementing an engine warning method as described above.
Compared with the prior art, the technical scheme of the application has the following advantages or beneficial effects:
the acceleration sensor is used for collecting acceleration information, collecting running parameter data of the engine, intelligently analyzing the deviation information of the fuel injection quantity of the engine and the deviation information of acceleration signals, intelligently correcting fuel injection, judging the working uniformity of each cylinder fuel injector according to the difference of the acceleration signals of different cylinders, simultaneously monitoring the conventional running parameters of the engine, and sending out maintenance early warning prompt when the parameters exceed a threshold range.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an engine early warning method provided by an embodiment of the application;
FIG. 2 is a schematic diagram of an engine early warning system according to an embodiment of the present application;
FIG. 3 is a schematic view of an engine according to an embodiment of the present disclosure;
fig. 4 is a connection block diagram of an electronic device according to an embodiment of the present application;
reference numerals:
in FIG. 3, the 1-acceleration signal sensor, the 2-exhaust throttle valve ETV, the 3-engine coolant temperature sensor, the 4-engine, the 5-intake manifold temperature sensor, the 6-intake manifold pressure sensor, the 7-exhaust manifold, the 8-service computer ECU, the 9-aftertreatment system assembly, the 10-aftertreatment inlet NOx sensor, the 11-aftertreatment inlet temperature sensor, and the 12-tailpipe NOx sensor.
Detailed Description
The following will describe embodiments of the present application in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present application, and realizing the corresponding technical effects can be fully understood and implemented accordingly. The embodiment of the application and the characteristics in the embodiment can be mutually combined on the premise of no conflict, and the formed technical scheme is within the protection scope of the application.
Example 1
The embodiment provides an engine early warning method, fig. 1 is a flowchart of the engine early warning method provided by the embodiment of the application, and as shown in fig. 1, the method of the embodiment includes:
s110, acquiring current acceleration information of the target engine, a fuel injection quantity required value and a current fuel injection quantity value in real time.
In some embodiments, the acquiring acceleration information includes:
and acquiring the acceleration information through an acceleration signal sensor.
It should be noted that, in the embodiment of the present application, an acceleration signal sensor is installed on a cylinder block of an engine to obtain acceleration information of the engine.
Alternatively, the acceleration signal sensor is mounted on the engine block, and each two cylinders can share one acceleration signal sensor.
Alternatively, the acceleration information of the engine may be acquired by an acceleration signal sensor mounted inside the engine.
In some embodiments, prior to the obtaining the fuel injection amount demand value and the current fuel injection amount value of the target engine, the method further includes:
acquiring the operation parameters of the target engine;
counting abnormal accumulation time when the operation parameters meet preset abnormal conditions;
and when the abnormal accumulation time length is longer than the preset accumulation time length, early warning is carried out.
Optionally, after the intelligent fuel injection strategy correction and compensation is performed, an operation parameter of the engine is obtained, where the operation parameter may include: engine speed, acceleration signal, exhaust temperature, tailpipe emissions, etc.
The preset exception condition may include: the appointed monitoring parameter exceeds a preset threshold value; the early warning information may include: and (5) maintenance early warning reminding information. Optionally, when the specified monitoring parameter exceeds a preset threshold, the intelligent predictive maintenance early warning signal timer starts to count, and when the accumulated time exceeds a preset accumulated time length, the predictive early warning signal is activated and a maintenance early warning prompt is sent.
It should be noted that the preset accumulation period may be set according to the actual requirement of the user, which is not limited herein.
In some embodiments, the obtaining the fuel injection amount demand value includes:
acquiring the rotating speed of the target engine and the position information of an accelerator pedal;
and obtaining the fuel injection quantity required value according to the rotating speed and the accelerator pedal position information.
In some embodiments, the obtaining the current fuel injection quantity value includes:
acquiring current rail pressure and current power-on time information of the target engine;
and obtaining the current oil injection oil quantity value according to the current rail pressure and the current power-on time information.
Optionally, the driving computer calculates the oil injection quantity requirement value under the specific working condition according to the engine rotating speed and the accelerator pedal position signal, and simultaneously calculates the oil injection quantity value under the current working condition according to the rail pressure and the power-on time of the current working condition.
S120, counting abnormal times of the acceleration information, which occur when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value.
Optionally, when the acceleration signal information acquired by the acceleration signal sensor has a deviation from the preset acceleration information and the deviation is greater than the preset abnormal difference, the number of occurrences is accumulated by a counter, and the obtained accumulated number of occurrences is marked as the abnormal number of acceleration information.
It should be noted that, the preset acceleration information may be set according to a user's requirement, or the acceleration signal information originally calibrated inside the driving computer may be used as the preset acceleration information.
It should be further noted that the preset abnormal difference value may be set according to an actual requirement of the user, which is not limited herein.
And S130, when the abnormal times of the acceleration information are larger than the preset abnormal times, generating an oil injection correction instruction so as to enable the target engine to carry out oil quantity correction.
Optionally, when the abnormal times of the acceleration information is greater than the preset abnormal times, an oil injection correction demand command is sent out, and the engine responds to the oil injection correction demand command to carry out intelligent oil injection strategy correction and compensation.
It should be noted that the preset abnormal times may be set according to the actual needs of the user, which is not limited herein.
S140, counting abnormal times of the oil quantity when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value.
Optionally, when the oil injection quantity requirement value and the current oil injection quantity value are greater than a preset oil quantity threshold value, the number of times is accumulated through a counter, and the abnormal number of times of the oil quantity is obtained.
And S150, when the abnormal times of the oil quantity are larger than the preset abnormal times of the oil quantity, acquiring the operation parameters of the target engine.
Optionally, after the abnormal oil quantity times are greater than the preset abnormal oil quantity times, judging the oil quantity deviation, outputting an oil quantity deviation signal, and responding to the oil quantity deviation signal to acquire the current operation parameters of the engine.
It should be noted that the preset number of abnormal oil amounts may be set according to the actual requirement of the user, which is not limited herein.
And S160, when the operation parameters meet preset early warning conditions, early warning is carried out.
The pre-warning conditions may include maintenance pre-warning conditions. Optionally, the collected engine operation parameter information is judged, and after the maintenance early warning condition is met, the prediction early warning signal is activated, and the maintenance early warning prompt is sent.
It should be noted that, the pre-warning condition may be set according to the actual requirement of the user, which is not limited herein.
The engine early warning method provided by the embodiment of the application comprises the following steps: acquiring current acceleration information of a target engine, a fuel injection quantity required value and a current fuel injection quantity value in real time; counting abnormal times of the acceleration information, which occur when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value; when the abnormal times of the acceleration information are larger than the preset abnormal times, generating an oil injection correction instruction so as to enable the target engine to carry out oil quantity correction; counting abnormal oil quantity times when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value; when the abnormal oil quantity times are larger than the preset abnormal oil quantity times, acquiring the operation parameters of the target engine; and when the operation parameters meet preset early warning conditions, early warning is carried out. The acceleration sensor is used for collecting acceleration information, collecting running parameter data of the engine, intelligently analyzing the deviation information of the fuel injection quantity of the engine and the deviation information of acceleration signals, intelligently correcting fuel injection, judging the working uniformity of each cylinder fuel injector according to the difference of the acceleration signals of different cylinders, simultaneously monitoring the conventional running parameters of the engine, and sending out maintenance early warning prompt when the parameters exceed a threshold range.
Example two
The embodiment provides an engine early warning system, which can be used for executing the method embodiment of the application, and for details which are not disclosed in the system embodiment, please refer to the method embodiment of the application. Fig. 2 is a schematic diagram of an engine early warning system according to an embodiment of the present application, as shown in fig. 2, a system 200 provided in this embodiment includes:
an acceleration information acquisition unit 201, configured to acquire current acceleration information, a fuel injection amount demand value, and a current fuel injection amount value of a target engine in real time;
an acceleration information anomaly statistics unit 202, configured to count the number of acceleration information anomalies occurring when the difference between the current acceleration information and the preset acceleration information is greater than the preset anomaly difference;
the oil quantity correction unit 203 is configured to generate an oil injection correction command to make the target engine perform oil quantity correction when the abnormal number of times of the acceleration information is greater than the preset abnormal number of times;
an oil quantity abnormality counting unit 204 for counting the number of oil quantity abnormality times when the difference between the oil quantity demand value of the injection and the current oil quantity value of the injection is greater than a preset oil quantity threshold;
an operation parameter obtaining unit 205, configured to obtain an operation parameter of the target engine when the abnormal number of oil amounts is greater than the preset abnormal number of oil amounts;
and the early warning unit 206 is used for carrying out early warning when the operation parameters meet the preset early warning conditions.
In some embodiments, the acceleration information acquisition unit 201 includes: and the acceleration signal sensor is used for acquiring acceleration information.
In some embodiments, further comprising:
the engine operation parameter acquisition unit is used for generating an oil injection correction instruction when the abnormal times of the acceleration information are larger than the preset abnormal times, so that the target engine obtains the operation parameters of the target engine after oil quantity correction is carried out on the target engine;
the operation parameter abnormality statistical module is used for counting abnormal accumulation duration when the operation parameter meets a preset abnormal condition;
the first early warning unit is used for early warning when the abnormal accumulation time is longer than the preset accumulation time.
In some embodiments, the operating parameters include:
engine speed, acceleration signal, exhaust temperature and tailpipe emissions.
In some embodiments, the system further comprises an oil demand acquisition module for acquiring speed and accelerator pedal position information of the target engine; and obtaining the fuel injection quantity demand value according to the rotating speed and the accelerator pedal position information.
In some embodiments, the system further comprises a current fuel injection quantity acquisition module for acquiring current rail pressure and current power-on time information of the target engine; and obtaining the current oil injection oil quantity value according to the current rail pressure and the current power-on time information.
In some embodiments, the fuel quantity correction unit 203 includes an intelligent determination module for issuing fuel injection correction demand instructions.
In some embodiments, the fuel quantity correction unit 203 includes an intelligent fuel quantity correction execution module for fuel injection strategy correction and compensation.
In some embodiments, the early warning unit 206 includes an intelligent maintenance early warning module for determining collected engine operating parameter information and sending out early warning information when the operating parameter meets a preset early warning condition.
In some embodiments, the system further comprises: the intelligent data processing and analyzing module is used for processing the acquired parameter information and generating optimized oil injection quantity signal information and acceleration signal information according to the acquired parameter information.
Optionally, the parameter information processed by the intelligent data processing analysis module may include: engine torque, engine speed, accelerator pedal position, aftertreatment inlet temperature, intake manifold gas pressure, engine acceleration signal, tailpipe emissions, atmospheric ambient temperature, atmospheric ambient pressure, coolant temperature, timer.
In some embodiments, the system further comprises:
the intelligent instruction module is used for sending out an oil injection correction instruction;
the intelligent correction oil injection module is used for correcting oil injection according to the oil injection correction instruction;
and the intelligent maintenance prediction module of the fuel injector is used for sending out the maintenance early warning information of the fuel injector.
It will be appreciated by those skilled in the art that the structure shown in fig. 2 is not limiting of the system of embodiments of the application and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
The above-described respective modules/units may be functional modules or program modules, and may be implemented by software or hardware. For modules implemented in hardware, the various modules described above may be located in the same processor; or the above modules may be located in different processors in any combination.
The engine early warning system provided by the embodiment of the application comprises: an acceleration information acquisition unit 201, configured to acquire current acceleration information, a fuel injection amount demand value, and a current fuel injection amount value of a target engine in real time; an acceleration information anomaly statistics unit 202, configured to count the number of acceleration information anomalies occurring when the difference between the current acceleration information and the preset acceleration information is greater than a preset anomaly difference; an oil quantity correction unit 203, configured to generate an oil injection correction command to make the target engine perform oil quantity correction when the abnormal number of times of the acceleration information is greater than a preset abnormal number of times; an oil quantity abnormality counting unit 204 for counting the number of oil quantity abnormality times when the difference between the oil quantity demand value of the injection and the current oil quantity value of the injection is greater than a preset oil quantity threshold value; an operation parameter obtaining unit 205, configured to obtain an operation parameter of the target engine when the abnormal number of oil amounts is greater than a preset abnormal number of oil amounts; and the early warning unit 206 is used for carrying out early warning when the operation parameters meet preset early warning conditions. The acceleration sensor is used for collecting acceleration information, collecting running parameter data of the engine, intelligently analyzing the deviation information of the fuel injection quantity of the engine and the deviation information of acceleration signals, correcting fuel injection, judging the working uniformity of each cylinder fuel injector according to the difference of the acceleration signals of different cylinders, monitoring the conventional running parameters of the engine, and sending out maintenance early warning prompt when the parameters exceed a threshold range.
Example III
The present embodiment also provides an engine, including an engine early warning system as described in the second embodiment, and the description of the embodiment is not repeated here.
In some possible embodiments, fig. 3 is a schematic structural diagram of an engine according to an embodiment of the present application, where the engine shown in fig. 3 may further include:
acceleration signal sensor (1), exhaust throttle valve ETV (2), engine coolant temperature sensor (3), engine (4), intake manifold temperature sensor (5), intake manifold pressure sensor (6), exhaust manifold (7), driving computer ECU (8), aftertreatment system assembly (9), aftertreatment entry nitrogen oxide sensor (10), aftertreatment entry temperature sensor (11), tail pipe nitrogen oxide sensor (12).
Optionally, the acceleration signal sensor is mounted on the engine block, wherein two adjacent cylinders can share one acceleration signal sensor; the aftertreatment system assembly (9) may include: DOC, DPF, DPF differential pressure sensor, selective catalytic reduction SCR (Selective Catalytic Reduction) and ammonia trap ASC.
Optionally, the working procedure of the engine according to the embodiment of the application may include: when the signal information acquired by the acceleration signal sensor deviates from the acceleration signal information in the original calibration, the intelligent oil injection command module firstly carries out oil injection correction, and when the oil injection correction cannot compensate the acceleration signal deviation, the driving computer sends an early warning signal to the intelligent prediction maintenance early warning module.
It will be appreciated by those skilled in the art that the structure shown in fig. 3 is not limiting of the system of embodiments of the application and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
Example IV
The present embodiment also provides a storage medium, in which a computer program is stored, where the computer program may implement the method steps in the first embodiment when executed by a processor, and the description of the embodiment is not repeated here.
The storage medium may also include, among other things, computer programs, data files, data structures, etc., alone or in combination. The storage medium or computer program may be specially designed and construed by those skilled in the computer software arts, or the storage medium may be well known and available to those skilled in the computer software arts. Examples of storage media include: magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CDROM discs and DVDs; magneto-optical media, such as optical disks; and hardware means, specifically configured to store and execute computer programs, such as read-only memory (ROM), random Access Memory (RAM), flash memory; or a server, app application mall, etc. Examples of computer programs include machine code (e.g., code produced by a compiler) and files containing higher level code that may be executed by the computer using an interpreter. The described hardware devices may be configured to act as one or more software modules to perform the operations and methods described above, and vice versa. In addition, the storage medium may be distributed among networked computer systems, and the program code or computer program may be stored and executed in a decentralized manner.
Example five
Fig. 4 is a connection block diagram of an electronic device according to an embodiment of the present application, and as shown in fig. 4, the electronic device 400 may include: a processor 401, a memory 402, a multimedia component 403, an input/output (I/O) interface 404, and a communication component 405.
Wherein the processor 401 is arranged to perform all or part of the steps of the method as in embodiment one. The memory 402 is used to store various types of data, which may include, for example, instructions for any application or method in the electronic device, as well as application-related data.
The processor 401 may be an application specific integrated circuit (Application Specific Integrated Circuit, abbreviated as ASIC), a digital signal processor (Digital Signal Processor, abbreviated as DSP), a digital signal processing device (Digital Signal Processing Device, abbreviated as DSPD), a programmable logic device (Programmable Logic Device, abbreviated as PLD), a field programmable gate array (Field Programmable Gate Array, abbreviated as FPGA), a controller, a microcontroller, a microprocessor or other electronic component implementation for executing the method in the above embodiment one.
The Memory 402 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk.
The multimedia component 403 may include a screen, which may be a touch screen, and an audio component for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may be further stored in a memory or transmitted through a communication component. The audio assembly further comprises at least one speaker for outputting audio signals.
The I/O interface 404 provides an interface between the processor 401 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons.
The communication component 405 is used for wired or wireless communication between the electronic device 400 and other devices. The wired communication comprises communication through a network port, a serial port and the like; the wireless communication includes: wi-Fi, bluetooth, near field communication (Near Field Communication, NFC for short), 2G, 3G, 4G, 5G, or a combination of one or more of them. The corresponding communication component 405 may thus comprise: wi-Fi module, bluetooth module, NFC module.
In summary, the application provides an engine early warning method, an engine early warning system, a storage medium and electronic equipment, wherein the method comprises the following steps: acquiring current acceleration information of a target engine in real time; counting abnormal times of the acceleration information, which occur when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value; when the abnormal times of the acceleration information are larger than the preset abnormal times, generating an oil injection correction instruction so as to enable the target engine to carry out oil quantity correction; acquiring a fuel injection quantity required value and a current fuel injection quantity value of the target engine; counting abnormal oil quantity times when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value; when the abnormal oil quantity times are larger than the preset abnormal oil quantity times, acquiring the operation parameters of the target engine; and when the operation parameters meet preset early warning conditions, early warning is carried out. The acceleration sensor is used for collecting acceleration information, collecting running parameter data of the engine, intelligently analyzing the deviation information of the fuel injection quantity of the engine and the deviation information of acceleration signals, correcting fuel injection, judging the working uniformity of each cylinder fuel injector according to the difference of the acceleration signals of different cylinders, monitoring the conventional running parameters of the engine, and sending out maintenance early warning prompt when the parameters exceed a threshold range.
It should be further understood that the methods and systems disclosed in the embodiments of the present application may be implemented in other manners. The above-described method or system embodiments are merely illustrative, for example, flow diagrams and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of methods and apparatus according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, a computer program segment, or a portion of a computer program, which comprises one or more computer programs for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures, and in fact may be executed substantially concurrently, or in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer programs.
In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, apparatus or device comprising such elements; if any, the terms "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of features indicated or implicitly indicating the precedence of features indicated; in the description of the present application, unless otherwise indicated, the terms "plurality", "multiple" and "multiple" mean at least two; if the description is to a server, it should be noted that the server may be an independent physical server or terminal, or may be a server cluster formed by a plurality of physical servers, or may be a cloud server capable of providing basic cloud computing services such as a cloud server, a cloud database, a cloud storage, a CDN, and the like; if the smart terminal or the mobile device is described, it should be noted that the smart terminal or the mobile device may be a smart phone, a tablet computer, a smart watch, a smart television, a smart stereo, a notebook computer, a desktop computer, or the like, but is not limited thereto.
Finally it is pointed out that in the description of the present specification, the terms "one embodiment," "some embodiments," "example," "one example," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been illustrated and described above, it should be understood that the above embodiments are illustrative and that the present application is not limited to the embodiments described above for the purpose of facilitating understanding of the present application. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the present disclosure as defined by the appended claims.
Claims (10)
1. An engine warning method, characterized in that the method comprises:
acquiring current acceleration information of a target engine, a fuel injection quantity required value and a current fuel injection quantity value in real time;
counting abnormal times of the acceleration information, which occur when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value;
when the abnormal times of the acceleration information are larger than the preset abnormal times, generating an oil injection correction instruction so as to enable the target engine to carry out oil quantity correction;
counting abnormal oil quantity times when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value;
when the abnormal oil quantity times are larger than the preset abnormal oil quantity times, acquiring the operation parameters of the target engine;
and when the operation parameters meet preset early warning conditions, early warning is carried out.
2. The method according to claim 1, wherein, after generating an injection correction instruction to cause the target engine to make oil amount correction when the number of abnormality times of the acceleration information is greater than a preset number of abnormality times, the method further comprises:
acquiring the operation parameters of the target engine;
counting abnormal accumulation time when the operation parameters meet preset abnormal conditions;
and when the abnormal accumulation time length is longer than the preset accumulation time length, early warning is carried out.
3. The method of claim 1, wherein the operating parameters include:
engine speed, acceleration signal, exhaust temperature and tailpipe emissions.
4. The method of claim 1, wherein the acquiring acceleration information comprises:
and acquiring the acceleration information through an acceleration signal sensor.
5. The method according to claim 1, wherein the obtaining the fuel injection amount demand value includes:
acquiring the rotating speed of the target engine and the position information of an accelerator pedal;
and obtaining the fuel injection quantity required value according to the rotating speed and the accelerator pedal position information.
6. The method of claim 1, wherein the obtaining the current fuel injection quantity value comprises:
acquiring current rail pressure and current power-on time information of the target engine;
and obtaining the current oil injection oil quantity value according to the current rail pressure and the current power-on time information.
7. An engine warning system, comprising:
the acquisition unit is used for acquiring current acceleration information of the target engine, a fuel injection quantity required value and a current fuel injection quantity value in real time;
the acceleration information abnormality statistical unit is used for counting the abnormal times of the acceleration information when the difference value between the current acceleration information and the preset acceleration information is larger than the preset abnormal difference value;
the oil quantity correction unit is used for generating an oil injection correction instruction when the abnormal times of the acceleration information are larger than the preset abnormal times so as to enable the target engine to carry out oil quantity correction;
the oil quantity abnormality counting unit is used for counting the abnormal times of the oil quantity when the difference value between the oil quantity required value of the oil injection and the current oil quantity value of the oil injection is larger than a preset oil quantity threshold value;
an operation parameter obtaining unit, configured to obtain an operation parameter of the target engine when the abnormal number of oil amounts is greater than a preset abnormal number of oil amounts;
and the early warning unit is used for carrying out early warning when the operation parameters meet preset early warning conditions.
8. An engine comprising the engine warning system of claim 7.
9. A storage medium storing a computer program which, when executed by one or more processors, implements the engine warning method of any one of claims 1 to 6.
10. An electronic device comprising a memory and a processor, wherein the memory has a computer program stored thereon, the memory and the processor being communicatively coupled to each other, the computer program, when executed by the processor, performing the engine warning method of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474122.9A CN117005946A (en) | 2022-04-29 | 2022-04-29 | Engine early warning method, system, engine, storage medium and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474122.9A CN117005946A (en) | 2022-04-29 | 2022-04-29 | Engine early warning method, system, engine, storage medium and electronic equipment |
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| CN117005946A true CN117005946A (en) | 2023-11-07 |
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| CN202210474122.9A Pending CN117005946A (en) | 2022-04-29 | 2022-04-29 | Engine early warning method, system, engine, storage medium and electronic equipment |
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| Country | Link |
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| CN (1) | CN117005946A (en) |
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