Engine early warning method and system, engine, storage medium and electronic device

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 the number of times of acceleration information abnormalities when the difference between the current acceleration information and preset acceleration information is greater than a preset abnormal difference; generating an oil injection correction instruction to make the target engine correct the oil quantity when the number of times of acceleration information abnormalities is greater than a preset abnormal number; acquiring the oil injection quantity demand value and the current oil injection quantity value of the target engine; counting the number of times of oil quantity abnormalities when the difference between the oil injection quantity demand value and the current oil injection quantity value is greater than a preset oil quantity threshold; acquiring the operating parameters of the target engine when the number of times of oil quantity abnormalities is greater than a preset oil quantity abnormal number; and giving a warning when the operating parameters meet a preset warning condition. The oil injection can be intelligently corrected, the conventional operating parameters of the engine are monitored, and a maintenance warning reminder is given when the parameters exceed the threshold range.

Description

Technical Field

[0001] This application relates to the field of engine injector technology, and in particular to an engine warning method, system, engine, storage medium and electronic equipment. Background Technology

[0002] With the rapid development of the social economy, the country attaches increasing importance to environmental protection. As early as April 2016, 11 provinces in the east had already implemented the National V emission standard requirements for special vehicles (buses, sanitation vehicles, and postal vehicles). In addition, since 2020, National VI products have been gradually launched on the market.

[0003] With increasingly stringent regulations, drivers have new demands for vehicle comfort, intelligence, and effective operating costs. In the diesel engine field, current control strategies for injector fuel injection still rely on a relatively traditional open-loop approach. This involves pre-calibrating the injection quantity for different engine operating conditions, loading the calibrated data into the vehicle's computer, and then the computer injects fuel according to the preset injection commands based on the actual operating conditions. However, as injectors wear down over time, the original injection strategy may no longer meet the actual needs, impacting normal operation. Common problems resulting from this include insufficient power, black smoke, and abnormal combustion noises, affecting not only the driver's experience but also increasing operating costs and contradicting current energy conservation and emission reduction policies. Summary of the Invention

[0004] To address the aforementioned issues, this application proposes an engine early warning method, system, storage medium, and electronic equipment. By dynamically correcting the engine, it improves the customer's driving experience. Through intelligent maintenance early warning prompts, it reduces the customer's effective operating costs, which is beneficial for product market promotion and energy conservation.

[0005] A first aspect of this application provides an engine early warning method, the method comprising:

[0006] Real-time acquisition of the target engine's current acceleration information, fuel injection quantity requirement, and current fuel injection quantity;

[0007] Count the number of acceleration information anomalies that occur when the difference between the current acceleration information and the preset acceleration information is greater than a preset abnormal difference value;

[0008] When the number of abnormal acceleration information events exceeds the preset number of abnormal events, a fuel injection correction command is generated to cause the target engine to perform fuel quantity correction.

[0009] The number of times fuel quantity anomalies occur when the difference between the required fuel quantity and the current fuel quantity is greater than a preset fuel quantity threshold is recorded.

[0010] When the number of abnormal oil levels exceeds the preset number of abnormal oil levels, the operating parameters of the target engine are obtained;

[0011] An early warning is issued when the operating parameters meet the preset warning conditions.

[0012] In some embodiments, after generating a fuel injection correction command when the number of acceleration information anomalies exceeds a preset number of anomalies, so as to cause the target engine to perform fuel quantity correction, the method further includes:

[0013] Obtain the operating parameters of the target engine;

[0014] Statistical analysis of the cumulative duration of anomalies when the operating parameters meet preset anomaly conditions;

[0015] An early warning will be issued when the abnormal cumulative duration exceeds the preset cumulative duration.

[0016] In some embodiments, the operating parameters include:

[0017] Engine speed, acceleration signal, exhaust temperature, and exhaust tailpipe emissions.

[0018] In some embodiments, obtaining acceleration information includes:

[0019] The acceleration information is obtained through an acceleration signal sensor.

[0020] In some embodiments, obtaining the required fuel injection quantity includes:

[0021] Obtain the target engine's rotational speed and accelerator pedal position information;

[0022] The required fuel injection quantity is obtained based on the rotational speed and the accelerator pedal position information.

[0023] In some embodiments, obtaining the current fuel injection quantity value includes:

[0024] Obtain the current rail pressure and current power-on time information of the target engine;

[0025] The current fuel injection quantity is obtained based on the current rail pressure and the current power-on time information.

[0026] A second aspect of this application provides an engine warning system, the system comprising:

[0027] An acceleration information acquisition unit is used to acquire the current acceleration information of the target engine in real time.

[0028] An acceleration information anomaly statistics unit is used to count the number of acceleration information anomalies that occur when the difference between the current acceleration information and the preset acceleration information is greater than a preset anomaly difference.

[0029] The fuel quantity correction unit is used to generate a fuel injection correction command when the number of abnormal acceleration information exceeds a preset number of abnormalities, so as to make the target engine perform fuel quantity correction.

[0030] The fuel injection quantity acquisition unit is used to acquire the fuel injection quantity requirement value and the current fuel injection quantity value of the target engine.

[0031] The fuel quantity anomaly statistics unit is used to count the number of fuel quantity anomalies when the difference between the fuel injection quantity demand value and the current fuel injection quantity value is greater than a preset fuel quantity threshold.

[0032] The operating parameter acquisition unit is used to acquire the operating parameters of the target engine when the number of abnormal oil quantity counts is greater than the preset number of abnormal oil quantity counts.

[0033] The early warning unit is used to issue an early warning when the operating parameters meet the preset early warning conditions.

[0034] A third aspect of this application provides an engine including the engine warning system described above.

[0035] A fourth aspect of this application provides a storage medium storing a computer program that can be executed by one or more processors to implement the engine warning method described above.

[0036] A fifth aspect of this application provides an electronic device including a memory and a processor, wherein a computer program is stored on the memory and the processor are communicatively connected to each other, and the computer program, when executed by the processor, implements the engine warning method as described above.

[0037] Compared with the prior art, the technical solution of this application has the following advantages or beneficial effects:

[0038] Acceleration information is collected by an accelerometer, and engine operating parameter data is collected. The engine can intelligently analyze the fuel injection quantity deviation information and acceleration signal deviation information, and intelligently correct the fuel injection. The acceleration signal is used to judge the working uniformity of each cylinder injector based on the difference in acceleration signal of different cylinders. At the same time, the normal operating parameters of the engine are monitored. When the parameters exceed the threshold range, a maintenance warning reminder is issued. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0040] Figure 1 A flowchart illustrating an engine early warning method provided in this application embodiment;

[0041] Figure 2 A schematic diagram of an engine early warning system provided in an embodiment of this application;

[0042] Figure 3 This application provides a schematic diagram of the structure of an engine according to an embodiment of the present application;

[0043] Figure 4 A connection block diagram of an electronic device provided in an embodiment of this application;

[0044] Figure label:

[0045] Figure 3 In the diagram, 1-Acceleration signal sensor, 2-Exhaust throttle valve (ETV), 3-Engine coolant temperature sensor, 4-Engine, 5-Intake manifold temperature sensor, 6-Intake manifold pressure sensor, 7-Exhaust manifold, 8-Vehicle computer (ECU), 9-Aftertreatment system assembly, 10-Aftertreatment inlet nitrogen oxide sensor, 11-Aftertreatment inlet temperature sensor, 12-Exhaust tailpipe nitrogen oxide sensor. Detailed Implementation

[0046] The following detailed description of the embodiments of this application, in conjunction with the accompanying drawings, will provide a thorough understanding of how this application uses technical means to solve technical problems and achieve corresponding technical effects, enabling its implementation. The embodiments of this application and the various features within them can be combined with each other without conflict, and all resulting technical solutions are within the protection scope of this application.

[0047] Example 1

[0048] This embodiment provides an engine early warning method. Figure 1 A flowchart of an engine early warning method provided in this application embodiment is shown below. Figure 1 As shown, the method in this embodiment includes:

[0049] S110: Real-time acquisition of the target engine's current acceleration information, fuel injection quantity requirement value, and current fuel injection quantity value.

[0050] In some embodiments, obtaining acceleration information includes:

[0051] The acceleration information is obtained through an acceleration signal sensor.

[0052] It should be noted that an acceleration signal sensor is installed on the cylinder block of the engine in this embodiment of the application to obtain the engine's acceleration information.

[0053] Optionally, the acceleration signal sensor is mounted on the engine block, and one acceleration signal sensor can be shared by every two cylinders.

[0054] Optionally, engine acceleration information can be obtained through an acceleration signal sensor installed inside the engine.

[0055] In some embodiments, before obtaining the fuel injection quantity requirement value and the current fuel injection quantity value of the target engine, the method further includes:

[0056] Obtain the operating parameters of the target engine;

[0057] Statistical analysis of the cumulative duration of anomalies when the operating parameters meet preset anomaly conditions;

[0058] An early warning will be issued when the abnormal cumulative duration exceeds the preset cumulative duration.

[0059] Optionally, after performing intelligent fuel injection strategy correction and compensation, the engine's operating parameters can be obtained, including engine speed, acceleration signal, exhaust temperature, and exhaust tailpipe emissions.

[0060] Preset abnormal conditions may include: specified monitoring parameters exceeding preset thresholds; warning information may include: maintenance warning reminders. Optionally, when a specified monitoring parameter exceeds a preset threshold, an intelligent predictive maintenance warning signal timer starts counting down. When the accumulated time exceeds a preset accumulated duration, the predictive warning signal is activated and a maintenance warning reminder is sent.

[0061] It should be noted that the preset cumulative duration can be set according to the user's actual needs, and there are no specific restrictions here.

[0062] In some embodiments, obtaining the required fuel injection quantity includes:

[0063] Obtain the target engine's rotational speed and accelerator pedal position information;

[0064] The required fuel injection quantity is obtained based on the rotational speed and the accelerator pedal position information.

[0065] In some embodiments, obtaining the current fuel injection quantity value includes:

[0066] Obtain the current rail pressure and current power-on time information of the target engine;

[0067] The current fuel injection quantity is obtained based on the current rail pressure and the current power-on time information.

[0068] Optionally, the vehicle computer calculates the required fuel injection quantity under specific operating conditions based on the engine speed and accelerator pedal position signal. At the same time, the vehicle computer calculates the fuel injection quantity under the current operating conditions based on the rail pressure and power-on time.

[0069] S120. Count the number of acceleration information anomalies that occur when the difference between the current acceleration information and the preset acceleration information is greater than the preset abnormal difference.

[0070] Optionally, when the acceleration signal information collected by the acceleration signal sensor deviates from the preset acceleration information, and the deviation is greater than the preset abnormal difference value, the number of occurrences is accumulated by a counter, and the accumulated number of occurrences is marked as the number of acceleration information abnormalities.

[0071] It should be noted that the preset acceleration information can be set according to the user's needs, or the original acceleration signal information calibrated inside the vehicle's computer can be used as the preset acceleration information.

[0072] It should be further noted that the preset abnormal difference value can be set according to the user's actual needs, and there are no specific restrictions here.

[0073] S130. When the number of abnormal acceleration information values ​​exceeds the preset number of abnormal values, a fuel injection correction command is generated to enable the target engine to perform fuel quantity correction.

[0074] Optionally, when the number of acceleration information anomalies exceeds the preset number of anomalies, a fuel injection correction request command is issued, and the engine responds to the fuel injection correction request command by performing intelligent fuel injection strategy correction and compensation.

[0075] It should be noted that the preset number of exceptions can be set according to the user's actual needs, and there is no specific limit here.

[0076] S140. Count the number of times the fuel quantity is abnormal when the difference between the fuel quantity demand value and the current fuel quantity value is greater than the preset fuel quantity threshold.

[0077] Optionally, when the required fuel injection quantity and the current fuel injection quantity are greater than a preset fuel quantity threshold, the number of abnormal fuel quantity is accumulated by a counter.

[0078] S150. When the number of abnormal oil levels exceeds the preset number of abnormal oil levels, the operating parameters of the target engine are obtained.

[0079] Optionally, when the number of abnormal fuel levels exceeds the preset number of abnormal fuel levels, a fuel level deviation is determined and a fuel level deviation signal is output. In response to the fuel level deviation signal, the current operating parameters of the engine are obtained.

[0080] It should be noted that the preset number of abnormal oil levels can be set according to the user's actual needs, and there is no specific limit here.

[0081] S160. When the operating parameters meet the preset warning conditions, a warning is issued.

[0082] The early warning conditions may include maintenance early warning conditions. Optionally, the collected engine operating parameter information is judged, and when the maintenance early warning conditions are met, a predictive early warning signal is activated, and a maintenance early warning reminder is sent.

[0083] It should be noted that the warning conditions can be set according to the user's actual needs, and there are no specific restrictions here.

[0084] The engine early warning method provided in this application includes: acquiring the current acceleration information, fuel injection quantity requirement value, and current fuel injection quantity value of the target engine in real time; counting the number of acceleration information anomalies when the difference between the current acceleration information and preset acceleration information is greater than a preset abnormal difference value; generating a fuel injection correction command when the number of acceleration information anomalies is greater than a preset abnormal number of anomalies, so that the target engine can perform fuel quantity correction; counting the number of fuel quantity anomalies when the difference between the fuel injection quantity requirement value and the current fuel injection quantity value is greater than a preset fuel quantity threshold; acquiring the operating parameters of the target engine when the number of fuel quantity anomalies is greater than a preset number of fuel quantity anomalies; and issuing an early warning when the operating parameters meet preset early warning conditions. Acceleration information is collected through an acceleration sensor, and engine operating parameter data is collected. The engine fuel injection quantity deviation information and acceleration signal deviation information are intelligently analyzed, and fuel injection is intelligently corrected. The acceleration signal is determined based on the difference in acceleration signals of different cylinders to judge the working uniformity of each cylinder's injector. Simultaneously, the normal operating parameters of the engine are monitored, and a maintenance early warning reminder is issued when the parameters exceed the threshold range.

[0085] Example 2

[0086] This embodiment provides an engine warning system. This system embodiment can be used to execute the method embodiment of this application. For details not disclosed in this system embodiment, please refer to the method embodiment of this application. Figure 2 This is a schematic diagram of an engine warning system provided in an embodiment of this application, as shown below. Figure 2 As shown, the system 200 provided in this embodiment includes:

[0087] The acceleration information acquisition unit 201 is used to acquire the current acceleration information, fuel injection quantity demand value and current fuel injection quantity value of the target engine in real time.

[0088] The acceleration information anomaly statistics unit 202 is used to count the number of acceleration information anomalies that occur when the difference between the current acceleration information and the preset acceleration information is greater than the preset anomaly difference.

[0089] The fuel quantity correction unit 203 is used to generate a fuel injection correction command when the number of acceleration information abnormalities exceeds the preset number of abnormalities, so as to make the target engine perform fuel quantity correction.

[0090] The fuel quantity anomaly statistics unit 204 is used to count the number of fuel quantity anomalies when the difference between the fuel injection quantity demand value and the current fuel injection quantity value is greater than the preset fuel quantity threshold.

[0091] The operating parameter acquisition unit 205 is used to acquire the operating parameters of the target engine when the number of abnormal oil quantity counts exceeds the preset number of abnormal oil quantity counts.

[0092] The early warning unit 206 is used to issue an early warning when the operating parameters meet the preset early warning conditions.

[0093] In some embodiments, the acceleration information acquisition unit 201 includes an acceleration signal sensor for acquiring acceleration information.

[0094] In some embodiments, it also includes:

[0095] The engine operating parameter acquisition unit is used to generate a fuel injection correction command when the number of acceleration information anomalies exceeds the preset number of anomalies, so as to obtain the operating parameters of the target engine after the target engine performs fuel quantity correction.

[0096] The runtime parameter anomaly statistics module is used to count the cumulative duration of anomalies when runtime parameters meet preset anomaly conditions;

[0097] The first early warning unit is used to issue an early warning when the abnormal cumulative duration exceeds the preset cumulative duration.

[0098] In some embodiments, the operating parameters include:

[0099] Engine speed, acceleration signal, exhaust temperature, and exhaust tailpipe emissions.

[0100] In some embodiments, the system further includes a fuel quantity requirement acquisition module, which is used to acquire the engine speed and accelerator pedal position information of the target engine; and to obtain the fuel injection quantity requirement value based on the engine speed and accelerator pedal position information.

[0101] In some embodiments, the system further includes a current fuel injection quantity acquisition module, which is used to acquire the current rail pressure and current power-on time information of the target engine; and to obtain the current fuel injection quantity value based on the current rail pressure and current power-on time information.

[0102] In some embodiments, the fuel quantity correction unit 203 includes an intelligent determination module for issuing fuel injection correction demand commands.

[0103] In some embodiments, the fuel quantity correction unit 203 includes an intelligent fuel quantity correction execution module for fuel injection strategy correction and compensation.

[0104] In some embodiments, the early warning unit 206 includes an intelligent maintenance early warning module, which is used to determine the collected engine operating parameter information and to issue an early warning message when the operating parameters meet the preset early warning conditions.

[0105] In some embodiments, the system further includes: an intelligent data processing and analysis module, used to process the collected parameter information and generate optimized fuel injection quantity signal information and acceleration signal information based on the collected parameter information.

[0106] Optionally, the parameter information processed by the intelligent data processing and analysis module may include: engine torque, engine speed, accelerator pedal position, aftertreatment inlet temperature, intake manifold gas temperature, intake manifold gas pressure, engine acceleration signal, exhaust tailpipe emissions, ambient temperature, ambient pressure, coolant temperature, and timer.

[0107] In some embodiments, the system further includes:

[0108] The intelligent command module is used to issue fuel injection correction commands;

[0109] The intelligent injection correction module is used to correct the injection according to the injection correction command;

[0110] The fuel injector intelligent maintenance prediction module is used to issue early warning information for fuel injector maintenance.

[0111] Those skilled in the art will understand. Figure 2 The structure shown does not constitute a limitation on the system of the embodiments of this application. It may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0112] It should be noted that the above modules / units can be functional modules or program modules, and can be implemented in software or hardware. For modules implemented in hardware, the above modules can reside in the same processor; or the above modules can be located in different processors in any combination.

[0113] The engine early warning system provided in this application includes: an acceleration information acquisition unit 201, used to acquire in real time the current acceleration information, fuel injection quantity demand value, and current fuel injection quantity value of the target engine; an acceleration information anomaly statistics unit 202, used to count the number of acceleration information anomalies that occur when the difference between the current acceleration information and preset acceleration information is greater than a preset anomaly difference value; a fuel quantity correction unit 203, used to generate a fuel injection correction command to cause the target engine to perform fuel quantity correction when the number of acceleration information anomalies is greater than a preset number of anomalies; a fuel quantity anomaly statistics unit 204, used to count the number of fuel quantity anomalies when the difference between the fuel injection quantity demand value and the current fuel injection quantity value is greater than a preset fuel quantity threshold; an operating parameter acquisition unit 205, used to acquire the operating parameters of the target engine when the number of fuel quantity anomalies is greater than a preset number of fuel quantity anomalies; and an early warning unit 206, used to issue an early warning when the operating parameters meet a preset early warning condition. Acceleration information is collected by an accelerometer, and engine operating parameter data is collected. The engine can intelligently analyze the fuel injection quantity deviation information and acceleration signal deviation information to correct the fuel injection. The acceleration signal is used to judge the working uniformity of each cylinder injector based on the difference in acceleration signal of different cylinders. At the same time, the normal operating parameters of the engine are monitored. When the parameters exceed the threshold range, a maintenance warning reminder is issued.

[0114] Example 3

[0115] This embodiment also provides an engine, including the engine warning system as described in Embodiment 2, which will not be repeated here.

[0116] In some possible embodiments, Figure 3 This application provides a schematic diagram of the structure of an engine, as shown in the embodiment. Figure 3 The engine shown may also include:

[0117] 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), vehicle computer ECU (8), aftertreatment system assembly (9), aftertreatment inlet nitrogen oxide sensor (10), aftertreatment inlet temperature sensor (11), exhaust tailpipe nitrogen oxide sensor (12).

[0118] Optionally, the acceleration signal sensor is mounted on the engine block, wherein two adjacent cylinders may share one acceleration signal sensor; the aftertreatment system assembly (9) may include: DOC, DPF, DPF differential pressure sensor, selective catalytic reduction (SCR) and ammonia capture device (ASC).

[0119] Optionally, the working process of the engine in this application embodiment may include: when there is a deviation between the signal information collected by the acceleration signal sensor and the acceleration signal information in the original calibration, the intelligent fuel injection command module will first perform fuel injection correction, and when the fuel injection correction cannot make up for the acceleration signal deviation, the vehicle computer will send a warning signal to the intelligent predictive maintenance warning module.

[0120] Those skilled in the art will understand. Figure 3 The structure shown does not constitute a limitation on the system of the embodiments of this application. It may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0121] Example 4

[0122] This embodiment also provides a storage medium storing a computer program. When the computer program is executed by a processor, it can implement the method steps as described in Embodiment 1. This embodiment will not repeat the details here.

[0123] The storage medium may individually include computer programs, data files, data structures, etc., or a combination thereof. The storage medium or computer program may be specifically designed and understood by those skilled in the art of computer software, or the storage medium may be known and available to those skilled in the art of computer software. Examples of storage media include: magnetic media, such as hard disks, floppy disks, and magnetic tapes; optical media, such as CD-ROMs and DVDs; magneto-optical media, such as optical discs; and hardware devices specifically configured to store and execute computer programs, such as read-only memory (ROM), random access memory (RAM), flash memory; or servers, app stores, etc. Examples of computer programs include machine code (e.g., code generated by a compiler) and files containing high-level code that can be executed by a computer using an interpreter. The described hardware devices may be configured to function as one or more software modules to perform the operations and methods described above, and vice versa. Furthermore, the storage medium may be distributed across a networked computer system, allowing for the decentralized storage and execution of program code or computer programs.

[0124] Example 5

[0125] Figure 4 A connection block diagram of an electronic device provided in an embodiment of this application, such as... Figure 4 As shown, 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.

[0126] The processor 401 is used to execute all or part of the steps in the method of Embodiment 1. 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.

[0127] The processor 401 may be implemented as an application-specific integrated circuit (ASIC), a digital signal processor (DSP), a digital signal processing device (DSPD), a programmable logic device (PLD), a field-programmable gate array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is used to execute the method in Embodiment 1 above.

[0128] The memory 402 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk.

[0129] Multimedia component 403 may include a screen, which may be a touchscreen, 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 signals may be further stored in memory or transmitted via a communication component. The audio component also includes at least one speaker for outputting audio signals.

[0130] I / O interface 404 provides an interface between processor 401 and other interface modules, such as keyboards, mice, and buttons. These buttons can be virtual or physical buttons.

[0131] The communication component 405 is used for wired or wireless communication between the electronic device 400 and other devices. Wired communication includes communication via network ports, serial ports, etc.; wireless communication includes Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G, 4G, 5G, or one or more combinations thereof. Therefore, the corresponding communication component 405 may include a Wi-Fi module, a Bluetooth module, and an NFC module.

[0132] In summary, this application provides an engine early warning method, system, storage medium, and electronic device. The method includes: acquiring the current acceleration information of a target engine in real time; counting the number of acceleration information anomalies that occur when the difference between the current acceleration information and preset acceleration information is greater than a preset anomaly difference; generating a fuel injection correction command when the number of acceleration information anomalies exceeds a preset number of anomalies, so that the target engine performs fuel quantity correction; acquiring the fuel injection quantity requirement value and the current fuel injection quantity value of the target engine; counting the number of fuel quantity anomalies when the difference between the fuel injection quantity requirement value and the current fuel injection quantity value is greater than a preset fuel quantity threshold; acquiring the operating parameters of the target engine when the number of fuel quantity anomalies exceeds a preset number of fuel quantity anomalies; and issuing an early warning when the operating parameters meet a preset early warning condition. Acceleration information is collected by an accelerometer, and engine operating parameter data is collected. The engine can intelligently analyze the fuel injection quantity deviation information and acceleration signal deviation information to correct the fuel injection. The acceleration signal is used to judge the working uniformity of each cylinder injector based on the difference in acceleration signal of different cylinders. At the same time, the normal operating parameters of the engine are monitored. When the parameters exceed the threshold range, a maintenance warning reminder is issued.

[0133] It should also be understood that the methods or systems disclosed in the embodiments provided in this application can also be implemented in other ways. The method or system embodiments described above are merely illustrative. For example, the flowcharts and block diagrams in the accompanying drawings show the architecture, functions, and operations of possible implementations of methods and apparatus according to various embodiments of this application. In this regard, each block in a flowchart or block diagram may represent a module, computer program segment, or part of a computer program, which includes one or more computer programs for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order than those marked in the drawings, and may actually be executed substantially in parallel. They may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can be implemented using a dedicated hardware-based system that performs the specified function or action, or can be implemented using a combination of dedicated hardware and computer programs.

[0134] In this application, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "including one..." does not exclude the presence of other identical elements in the process, method, apparatus, or device that includes the element; the use of terms such as "first" and "second" is for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly indicating the number or sequence of the indicated technical features; in the description of this application, unless otherwise stated, the terms "multiple" or "many" mean at least two; if a server is described, it should be noted that a server can be an independent physical server or terminal, or a server cluster consisting of multiple physical servers, or a cloud server capable of providing basic cloud computing services such as cloud servers, cloud databases, cloud storage, and CDN; if a smart terminal or mobile device is described, it should be noted that a smart terminal or mobile device can be a smartphone, tablet computer, smartwatch, smart TV, smart speaker, laptop computer, desktop computer, etc., but is not limited to these.

[0135] Finally, it should be noted that in the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "a single example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0136] Although embodiments of this application have been shown and described above, it is to be understood that the above embodiments are exemplary and the content is only for the purpose of facilitating understanding of this application, and is not intended to limit this application. Any person skilled in the art to which this application pertains may make any modifications and changes in form and detail of the implementation without departing from the spirit and scope disclosed in this application, but the scope of protection of this application shall still be determined by the scope defined in the appended claims.

Claims

1. An engine early warning method, characterized in that, The method includes: Real-time acquisition of the target engine's current acceleration information, fuel injection quantity requirement, and current fuel injection quantity; Count the number of acceleration information anomalies that occur when the difference between the current acceleration information and the preset acceleration information is greater than a preset abnormal difference value; When the number of abnormal acceleration information events exceeds the preset number of abnormal events, a fuel injection correction command is generated to cause the target engine to perform fuel quantity correction. The number of times fuel quantity anomalies occur when the difference between the required fuel quantity and the current fuel quantity is greater than a preset fuel quantity threshold is recorded. When the number of abnormal oil levels exceeds the preset number of abnormal oil levels, the operating parameters of the target engine are obtained; An early warning is issued when the operating parameters meet the preset warning conditions.

2. The method according to claim 1, characterized in that, After generating a fuel injection correction command to cause the target engine to perform fuel quantity correction when the number of acceleration information anomalies exceeds a preset number of anomalies, the method further includes: Obtain the operating parameters of the target engine; Statistical analysis of the cumulative duration of anomalies when the operating parameters meet preset anomaly conditions; An early warning will be issued when the abnormal cumulative duration exceeds the preset cumulative duration.

3. The method according to claim 1, characterized in that, The operating parameters include: Engine speed, acceleration signal, exhaust temperature, and exhaust tailpipe emissions.

4. The method according to claim 1, characterized in that, The methods for obtaining the current acceleration information include: The current acceleration information is obtained through an acceleration signal sensor.

5. The method according to claim 1, characterized in that, The step of obtaining the required fuel injection quantity includes: Obtain the target engine's rotational speed and accelerator pedal position information; The required fuel injection quantity is obtained based on the rotational speed and the accelerator pedal position information.

6. The method according to claim 1, characterized in that, The step of obtaining the current fuel injection quantity value includes: Obtain the current rail pressure and current power-on time information of the target engine; The current fuel injection quantity is obtained based on the current rail pressure and the current power-on time information.

7. An engine early warning system, characterized in that, include: The acquisition unit is used to acquire the target engine's current acceleration information, fuel injection quantity requirement value, and current fuel injection quantity value in real time. An acceleration information anomaly statistics unit is used to count the number of acceleration information anomalies that occur when the difference between the current acceleration information and the preset acceleration information is greater than a preset anomaly difference. The fuel quantity correction unit is used to generate a fuel injection correction command when the number of abnormal acceleration information exceeds a preset number of abnormalities, so as to make the target engine perform fuel quantity correction. The fuel quantity anomaly statistics unit is used to count the number of fuel quantity anomalies when the difference between the fuel injection quantity demand value and the current fuel injection quantity value is greater than a preset fuel quantity threshold. The operating parameter acquisition unit is used to acquire the operating parameters of the target engine when the number of abnormal oil quantity counts is greater than the preset number of abnormal oil quantity counts. The early warning unit is used to issue an early warning when the operating parameters meet the preset early warning conditions.

8. An engine, characterized in that, Including the engine warning system as described in claim 7.

9. A storage medium, characterized in that, The computer program stored in the storage medium, when executed by one or more processors, implements the engine early warning method as described in any one of claims 1 to 6.

10. An electronic device, characterized in that, It includes a memory and a processor, wherein a computer program is stored in the memory, and the memory and the processor are communicatively connected to each other. When the computer program is executed by the processor, the engine warning method as described in any one of claims 1 to 6 is performed.

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