Health management method and device, electronic equipment and vehicle

Abstract

The invention provides a health management method and device, electronic equipment and a vehicle, and the method comprises the steps: obtaining a first regeneration mileage of a DPF system if the current operation total mileage of the vehicle exceeds a first preset value; when it is determined that the first regeneration mileage is lower than the second regeneration mileage and the difference value between the first regeneration mileage and the second regeneration mileage is smaller than a second preset value, it is determined that the engine and the aftertreatment system are in an abnormal state; and abnormal parts in the engine and the aftertreatment system are determined based on the regeneration condition of the DPF system, and corresponding early warning information is output. Whether the engine and the post-processing system are in the normal state or not is judged by comparing the first regeneration mileage with the second regeneration mileage, if the engine and the post-processing system are not in the normal state any more, a specific abnormal part is further judged, and corresponding early warning information is output; therefore, abnormal conditions of parts in the engine and the after-treatment system after regeneration treatment are avoided, and health state management of the engine and the after-treatment system is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle data processing, and in particular to a health management method, device, electronic equipment and vehicle. Background Art

[0002] Currently, when performing DPF regeneration on an engine, frequent and excessive regeneration times will cause thermal aging of the DPF system, while too few regeneration times will cause carbon particles in the exhaust gas to accumulate, thus affecting the life of the engine.

[0003] The existing technology can only display the regeneration mileage of the diesel particulate filter DPF system after the regeneration process, and will not detect the health status of the engine and post-treatment system during the regeneration process. Therefore, it is impossible to manage the health status of the DPF system such as thermal aging and engine life. Summary of the invention

[0004] In view of this, an embodiment of the present invention provides a health management method, device, electronic device and vehicle to achieve the purpose of managing the health status of an engine and a post-processing system.

[0005] To achieve the above objectives, the embodiments of the present invention provide the following technical solutions:

[0006] A first aspect of an embodiment of the present invention shows a health management method, the method comprising:

[0007] If the total running mileage of the vehicle exceeds a first preset value, obtaining a first regeneration mileage of the DPF system;

[0008] When it is determined that the first regeneration mileage is lower than the second regeneration mileage, and the difference between the first regeneration mileage and the second regeneration mileage is less than a second preset value, determining that the health status of the engine and the after-treatment system is abnormal, wherein the second regeneration mileage is obtained based on the vehicle's current operating environment, operating conditions and driving data;

[0009] Based on the regeneration status of the DPF system, abnormal components in the engine and the after-treatment system are determined, and corresponding warning information is output.

[0010] Optionally, the second regeneration mileage is obtained by processing based on the vehicle's current operating environment, operating conditions and driving data, including:

[0011] Obtaining corresponding soot particle accumulation based on the vehicle's current operating environment and operating conditions;

[0012] Correcting the soot accumulation amount based on the driving data to obtain a corrected soot accumulation amount;

[0013] A corresponding second regeneration mileage is determined based on the corrected soot accumulation amount.

[0014] Optionally, based on the regeneration condition of the DPF system, determining abnormal components in the engine and the aftertreatment system, and outputting corresponding warning information, includes:

[0015] If it is determined that the DPF system has completed regeneration, determining a state of the engine intake system;

[0016] The state of the air intake system is used to output first warning information, where the first warning information belongs to warning information.

[0017] Optionally, determining the status of the engine air intake system, including:

[0018] If it is determined that the engine is operating in a stable operating condition region, key characteristic parameters of the intake system of the vehicle under the current operating environment are obtained;

[0019] If the difference corresponding to each key characteristic parameter exceeds a third value, determining that the state of the engine intake system is normal;

[0020] If the difference corresponding to any key characteristic parameter does not exceed the third value, it is determined that the state of the engine intake system is abnormal.

[0021] Optionally, also include:

[0022] If it is determined that the DPF system cannot be completely regenerated, determining whether there is a human factor causing the DPF system to be unable to be completely regenerated;

[0023] If not, a second warning message is output, wherein the second warning message is a warning message indicating that there is a component that affects health.

[0024] Optionally, determine whether there are human factors that cause the DPF system to be unable to fully regenerate, including:

[0025] Obtaining the operating status of the vehicle during the regeneration process;

[0026] Determining whether the running state of the vehicle is a stopped running state;

[0027] If so, it is determined that there is a human factor that causes the DPF system to be unable to fully regenerate;

[0028] If not, it is determined that there are no human factors that cause the DPF system to be unable to fully regenerate.

[0029] Optionally, determining that the DPF system has completed regeneration includes:

[0030] After the current regeneration process is completed, the pressure difference between the air inlet and the air outlet of the DPF system is obtained;

[0031] Determining whether the pressure difference is less than a preset pressure value;

[0032] If so, make sure the DPF system is not fully regenerated;

[0033] If not, make sure the DPF system is fully regenerated.

[0034] A second aspect of an embodiment of the present invention shows a health management device, the device comprising:

[0035] An acquisition unit, configured to acquire a first regeneration mileage of the DPF system if the total running mileage of the vehicle exceeds a first preset value;

[0036] a determination unit, configured to determine that the engine and the post-processing system are in an abnormal state when it is determined that the first regeneration mileage is lower than a second regeneration mileage and the difference between the first regeneration mileage and the second regeneration mileage is less than a second preset value, wherein the second regeneration mileage is obtained by processing based on the vehicle's current operating environment, operating conditions and driving data;

[0037] The processing unit is used to determine abnormal components in the engine and the after-treatment system based on the regeneration status of the DPF system, and output corresponding warning information.

[0038] The third aspect of an embodiment of the present invention shows an electronic device, comprising: a processor and a memory, wherein the processor and the memory are connected via a communication bus; wherein the processor is used to call and execute a program stored in the memory; and the memory is used to store a program, wherein the program is used to implement the health management method as shown in the first aspect of the embodiment of the present invention.

[0039] A fourth aspect of an embodiment of the present invention shows a vehicle, comprising the electronic device shown in the third aspect of the embodiment of the present invention, wherein the electronic device is used to execute the health management method shown in the first aspect of the embodiment of the present invention.

[0040] Based on the above embodiments of the present invention, a health management method, device, electronic device and vehicle are provided, the method comprising: if the total running mileage of the vehicle exceeds a first preset value, obtaining a first regeneration mileage of the DPF system; when it is determined that the first regeneration mileage is lower than the second regeneration mileage, and the difference between the first regeneration mileage and the second regeneration mileage is less than a second preset value, determining that the engine and the post-processing system are in an abnormal state, the second regeneration mileage is obtained by processing the vehicle's current operating environment, operating conditions and driving data; based on the regeneration situation of the DPF system, determining that there are abnormal components in the engine and the post-processing system, and outputting corresponding warning information. The present invention determines whether the engine and the post-processing system are in a normal state by comparing the first regeneration mileage of the diesel particulate filter DPF system with the theoretical second regeneration mileage obtained by processing the vehicle's current operating environment, operating conditions and driving data, and further determines the specific abnormal parts if they are no longer in a normal state, and outputs corresponding warning information; to avoid abnormal conditions in the components in the engine and the post-processing system after the regeneration process, resulting in further deterioration of the vehicle, thereby achieving health status management of the engine and the post-processing system. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0042] Figure 1 A flowchart of a health management method according to an embodiment of the present invention is shown;

[0043] Figure 2 A health management strategy diagram shown in an embodiment of the present invention;

[0044] Figure 3 The figure is a schematic diagram of the structure of a health management device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0047] It should be noted that the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0048] In this application, the terms "comprises", "comprising" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0049] As can be seen from the background technology, the prior art can only display the regeneration mileage of the diesel particulate filter DPF system after the regeneration process, and cannot further apply the regeneration mileage, resulting in an inability to determine in advance whether the engine and the post-treatment system have abnormal conditions.

[0050] The present invention determines whether the engine and the post-processing system are in a normal state by comparing the actual regeneration mileage of the diesel particulate filter DPF system, i.e., the first regeneration mileage, with the theoretical regeneration mileage obtained by processing the vehicle's current operating environment, operating conditions and driving data, i.e., the second regeneration mileage. If they are no longer in a normal state, the specific abnormal parts are further determined, and corresponding warning information is output; so as to avoid abnormal conditions in the components of the engine and the post-processing system after the regeneration process, which may cause further deterioration of the vehicle, thereby realizing health status management of the engine and the post-processing system.

[0051] It should be noted that the health status management of the engine and the post-processing system shown in the present invention refers to further application of the regeneration mileage, so as to judge in advance whether the health status of the engine and the post-processing is abnormal.

[0052] See also Figure 1 , is a flow chart of a health management method according to an embodiment of the present invention, namely, health management of an engine and a post-processing system, the method comprising:

[0053] Step S101: determine whether the total running mileage of the vehicle exceeds a first preset value. If so, execute step S102; if not, continue to record the total running mileage of the vehicle.

[0054] In the specific implementation of step S101, when the vehicle is currently started, the mileage sensor in the vehicle is used to record the vehicle's mileage, that is, the total running mileage, to determine whether the vehicle can be regenerated. If it is determined that the total running mileage of the vehicle exceeds a first preset value, it is determined that the vehicle enters the regeneration program and step S102 is executed. If it is determined that the total running mileage of the vehicle does not exceed a second preset value, it means that the vehicle has not entered the regeneration program, then the total running mileage of the vehicle continues to be recorded and step S101 is executed.

[0055] It should be noted that the first preset value is determined based on multiple experiments to determine the total mileage of the vehicle when the regeneration program is triggered.

[0056] Optionally, it is necessary to trigger the regeneration process of the DPF system in the vehicle to perform the process of step S101.

[0057] Step S102: Obtaining the first regeneration mileage of the DPF system;

[0058] It should be noted that the first regeneration mileage is the actual regeneration mileage generated when the vehicle performs the DPF system regeneration process.

[0059] In the specific implementation of step S102, the regeneration mileage generated after the DPF system performs the regeneration process is obtained, that is, the actual regeneration mileage.

[0060] Step S103: Determine whether the first regeneration mileage is lower than the second regeneration mileage. If so, execute step S104. If not, determine that the engine and the post-processing system are in a normal state, that is, no abnormality occurs in the engine and the post-processing system after the regeneration process.

[0061] It should be noted that the second regeneration mileage, i.e., theoretical regeneration mileage, is obtained by processing based on the vehicle's current operating environment, operating conditions and driving data, including the following steps:

[0062] Step S11: obtaining a corresponding amount of accumulated soot particles based on the vehicle's current operating environment and operating conditions;

[0063] In the specific implementation of step S11, the corresponding soot particle accumulation amount is determined based on the correspondence between the vehicle's current operating environment and operating conditions, the different soot particle accumulation amounts, and the vehicle's operating environment and operating conditions;

[0064] For each vehicle model, the whole vehicle test is used to confirm the carbon soot particle accumulation at each operating point, that is, the operating condition, under different operating environments such as ambient temperature and different altitudes. The theoretical carbon soot particle accumulation is calculated in real time during the operation of the vehicle and recorded cumulatively. Based on this, the correspondence between different carbon soot particle accumulations and the vehicle's operating environment and operating conditions is calibrated.

[0065] Step S12: correcting the soot accumulation amount based on the driving data to obtain a corrected soot accumulation amount.

[0066] In the specific implementation process of step S12, since different driver driving operations, such as the throttle opening, etc., will affect the accumulation of carbon soot particles, it is necessary to determine the correction coefficient corresponding to the current driving data, and use the product of the correction coefficient and the accumulation of carbon soot particles as the corrected accumulation of carbon soot particles.

[0067] It should be noted that different driving data corresponds to different correction coefficients. Different driving data may affect the generation of soot particles. Therefore, experiments are first conducted based on different driving data to determine different correction coefficients.

[0068] Step S13: determining a corresponding second regeneration mileage based on the corrected soot particle accumulation amount.

[0069] In the specific implementation of step S13, the DPF system actively burns the corrected accumulated soot particles, and the regeneration mileage that can be generated by burning all the accumulated soot particles is called the second regeneration mileage, that is, the theoretical regeneration mileage.

[0070] Step S104: Determine whether the difference between the first regeneration mileage and the second regeneration mileage exceeds a second preset value. If so, execute step S105. If not, determine that the health status of the engine and the after-treatment system is normal, that is, no abnormality occurs in the engine and the after-treatment system after the regeneration process.

[0071] In the process of implementing step 103 and step S104, the actual regeneration mileage of the vehicle is compared with the theoretical regeneration mileage. If the actual regeneration mileage, i.e., the first regeneration mileage, is lower than the theoretical regeneration mileage, i.e., the second regeneration mileage, then the difference between the first regeneration mileage and the second regeneration mileage is calculated, and it is determined whether the search exceeds the second preset value. If so, step S105 is executed. If not, it is determined that the health status of the engine and the post-processing system is normal, that is, the engine and the post-processing system are not abnormal after the regeneration process.

[0072] It should be noted that the second preset value is set in advance by a technician based on actual conditions and may be a percentage preset value, which is not limited in this embodiment of the present invention.

[0073] Step S105: Determine that the health status of the engine and the after-treatment system is abnormal.

[0074] Step S106: Determine abnormal components in the engine and post-processing system based on the regeneration status of the DPF system, and output corresponding warning information.

[0075] It should be noted that the specific implementation of step S106 includes the following steps:

[0076] Step S21: Determine whether the DPF system is fully regenerated, if so, execute step S22, if not, execute step S24.

[0077] It should be noted that the specific process of implementing step S21 includes the following steps:

[0078] Step S31: After the current regeneration process is completed, the pressure difference between the air inlet and the air outlet of the DPF system is obtained;

[0079] Step S32: Determine whether the pressure difference is less than the preset pressure value. If so, determine that the DPF system is not fully regenerated, and execute step S24. If not, determine that the DPF system is fully regenerated, and execute step S22.

[0080] In the process of implementing step S21, after the active combustion in the DPF system is completed, the DPF pressure difference sensor is used to measure the pressure at the inlet and outlet of the DPF system, and the pressure difference corresponding to the pressure at the inlet and outlet is calculated. If the pressure difference is less than the preset pressure value, there are still residual soot particles in the DPF system, indicating that the DPF system has not been fully regenerated, and step S24 is executed. If the pressure difference is greater than or equal to the preset pressure value, it means that the DPF system is fully regenerated, and step S22 is executed.

[0081] It should be noted that the preset pressure value is set in advance based on multiple experiments, and the embodiment of the present invention does not limit this.

[0082] Step S22: determining the state of the engine intake system;

[0083] It should be noted that the specific implementation of step S22 includes the following steps.

[0084] Step S41: Determine whether the engine is running in a stable operating region. If so, execute step S42. If not, return to continue executing step S41 until it is determined that the engine is running in a stable operating region.

[0085] In the process of implementing step S41, the engine speed and torque are obtained to determine whether the engine speed and torque after regeneration change within a preset range. If so, the engine is operating in a certain stable operating condition area. At this time, the intake system is judged and step S42 is executed. If not, it continues to determine whether the engine enters a stable operating condition area.

[0086] It should be noted that the preset range is set in advance by technicians based on multiple experiments.

[0087] Step S42: Acquire key characteristic parameters of the air intake system under the current operating environment of the vehicle;

[0088] In the specific process of implementing step S42, key characteristic parameters of the intake system such as the intake amount, EGR opening, and supercharger opening measured at this time are obtained under the current operating environment of the vehicle.

[0089] Step S43: For each key feature parameter, determine whether the difference between the key feature parameter and the same preset parameter exceeds a third value. If the difference corresponding to each key feature parameter exceeds the third value, execute step S44. If the difference corresponding to any key feature parameter does not exceed the third value, execute step S45.

[0090] It should be noted that the key theoretical parameters of the intake system under different stable operating conditions, i.e., preset parameters, are determined in advance through vehicle tests at different ambient temperatures and altitudes.

[0091] In the process of implementing step S43, for each key characteristic parameter, the theoretical value of the key parameter that is the same as the key characteristic parameter in the intake system under the same operating condition area is retrieved, that is, the preset parameter, and then the difference between the key characteristic parameter and the preset parameter is calculated. If the difference corresponding to each key characteristic parameter exceeds the third value, step S44 is executed. If the difference corresponding to any key characteristic parameter does not exceed the third value, step S45 is executed.

[0092] Step S44: determining that the state of the engine intake system is normal;

[0093] Step S45: determining that the state of the engine intake system is abnormal;

[0094] Step S23: outputting first warning information using the state of the intake system, where the first warning information belongs to warning information.

[0095] In the process of implementing step S23, if it is determined that the state of the engine intake system is normal, it is determined based on historical experience that there may be an abnormality in the fuel system, based on which it is output that there is a component that affects the health of the fuel system, and a warning message is output to check the fuel system; if it is determined that the state of the engine intake system is abnormal, it means that there is an abnormality in the intake system, based on which it is output that there is a component that affects the health of the intake system, and a warning message is output to check the intake system.

[0096] It should be noted that historical experience refers to the abnormal components that may appear in the engine or after-treatment system of the vehicle after regeneration, as well as the rules involved in each component. For example: if the regeneration mileage is not at a normal level and the engine intake system is also normal, the abnormal component is most likely to be the fuel system.

[0097] Step S24: Determine whether there are human factors that cause the DPF system to be unable to regenerate completely. If so, return to step S102, if not, execute step S25.

[0098] It should be noted that the specific implementation of step S24 includes the following steps.

[0099] Step S51: obtaining the running state of the vehicle during the regeneration process;

[0100] Step S52: Determine whether the running state of the vehicle is a stopped running state. If so, determine that there are human factors that cause the DPF system to be unable to fully regenerate, and return to execute step S102. If not, determine that there are no human factors that cause the DPF system to be unable to fully regenerate, and execute step S25.

[0101] In the process of specifically implementing steps S51 to S52, the operating status of the vehicle during the active combustion process of the DPF system, that is, during the regeneration process of the vehicle, is obtained; the active combustion process will be forced to stop when the driver turns off the engine and stops the car. Therefore, if the operating status of the vehicle is determined to be a stopped operating status, it means that there are human factors that cause the DPF system to be unable to fully regenerate. This judgment ends, resets and starts the next judgment, that is, executes step S102. If the operating status of the vehicle is determined to be normal operation, it means that there are no human factors that cause the DPF system to be unable to fully regenerate, and executes step 25.

[0102] It should be noted that, in addition to the above steps S51 to S55, the following steps are also included:

[0103] The real-time operating condition of the vehicle during the regeneration process is obtained. If the vehicle is in a low-load condition for a preset time period, it is determined that there are human factors that cause the DPF system to be unable to fully regenerate; if the vehicle is not in a low-load condition for a preset time period, it is determined that there are no human factors that cause the DPF system to be unable to fully regenerate.

[0104] It should be noted that the low-load condition may be that the driver allows the vehicle to continue to operate in the low-load condition, at which time the active combustion effect becomes worse.

[0105] Step S25: output second warning information, where the second warning information belongs to warning information.

[0106] In the specific implementation of step S25, it is determined that the affected component in the engine and the after-treatment system is the after-treatment system, that is, there is an abnormality in the after-treatment system, and a second warning information for checking the after-treatment system is output.

[0107] Optionally, the method described in step S101 to step S106 of the present invention can also be performed by Figure 2 The strategy diagram shown is used for illustration.

[0108] In the embodiment of the present invention, by comparing the first regeneration mileage of the diesel particulate filter DPF system with the theoretical second regeneration mileage obtained by processing the vehicle's current operating environment, operating conditions and driving data, it is determined whether the engine and the after-treatment system are in a normal state. If they are no longer in a normal state, the specific abnormal parts are further determined, and corresponding warning information is output; to avoid abnormal conditions in the components of the engine and the after-treatment system after the regeneration process, which may cause further deterioration of the vehicle, thereby achieving health status management of the engine and the after-treatment system.

[0109] Based on the above-mentioned health management method shown in the embodiment of the present invention, correspondingly, the embodiment of the present invention shows a health management device, such as Figure 3 As shown, the device comprises:

[0110] An acquisition unit 301 is used to acquire a first regeneration mileage of the DPF system if the total running mileage of the vehicle exceeds a first preset value;

[0111] a determination unit 302, configured to determine that the engine and the post-processing system are in an abnormal state when it is determined that the first regeneration mileage is lower than a second regeneration mileage and the difference between the first regeneration mileage and the second regeneration mileage is less than a second preset value, wherein the second regeneration mileage is obtained by processing based on the vehicle's current operating environment, operating conditions and driving data;

[0112] The processing unit 303 is used to determine abnormal components in the engine and the after-treatment system based on the regeneration status of the DPF system, and output corresponding warning information.

[0113] It should be noted that the specific implementation process of each unit of the health management device shown in the above embodiment of the present invention is the same as the specific implementation process of the health management method shown in the above embodiment, and they can refer to each other.

[0114] In the embodiment of the present invention, by comparing the first regeneration mileage of the diesel particulate filter DPF system with the theoretical second regeneration mileage obtained by processing the vehicle's current operating environment, operating conditions and driving data, it is determined whether the engine and the after-treatment system are in a normal state. If they are no longer in a normal state, the specific abnormal parts are further determined, and corresponding warning information is output; to avoid abnormal conditions in the components of the engine and the after-treatment system after the regeneration process, which may cause further deterioration of the vehicle, thereby achieving health status management of the engine and the after-treatment system.

[0115] Optionally, based on the health management device shown in the above embodiment of the present invention, the second regeneration mileage determination unit 302 is obtained by processing the vehicle's current operating environment, operating conditions and driving data, and is specifically used for:

[0116] Obtaining corresponding soot particle accumulation based on the vehicle's current operating environment and operating conditions;

[0117] Correcting the soot accumulation amount based on the driving data to obtain a corrected soot accumulation amount;

[0118] A corresponding second regeneration mileage is determined based on the corrected soot accumulation amount.

[0119] Optionally, based on the health management device shown in the above embodiment of the present invention, the processing unit 303 is specifically used to:

[0120] If it is determined that the DPF system has completed regeneration, determining a state of the engine intake system;

[0121] The state of the air intake system is used to output warning information, wherein the warning information indicates the presence of equipment that affects health.

[0122] Wherein, determining the state of the engine intake system includes:

[0123] If it is determined that the engine is operating in a stable operating condition region, key characteristic parameters of the intake system of the vehicle under the current operating environment are obtained;

[0124] If the difference corresponding to each key characteristic parameter exceeds a third value, determining that the state of the engine intake system is normal;

[0125] If the difference corresponding to any key characteristic parameter does not exceed the third value, it is determined that the state of the engine intake system is abnormal.

[0126] Optionally, based on the health management device shown in the above embodiment of the present invention, the processing unit 303 is further used to:

[0127] If it is determined that the DPF system cannot be completely regenerated, determining whether there is a human factor causing the DPF system to be unable to be completely regenerated;

[0128] If not, a warning message is output, the warning message indicating that there is a component that affects health.

[0129] Among them, judging whether there are human factors that cause the DPF system to be unable to fully regenerate includes:

[0130] Obtaining the operating status of the vehicle during the regeneration process;

[0131] Determining whether the running state of the vehicle is a stopped running state;

[0132] If so, it is determined that there is a human factor that causes the DPF system to be unable to fully regenerate;

[0133] If not, it is determined that there are no human factors that cause the DPF system to be unable to fully regenerate.

[0134] Optionally, based on the health management device shown in the above embodiment of the present invention, the processing unit 303 for determining that the DPF system has completed regeneration at that time is further used to:

[0135] After the current regeneration process is completed, the pressure difference between the air inlet and the air outlet of the DPF system is obtained;

[0136] Determining whether the pressure difference is less than a preset pressure value;

[0137] If so, make sure the DPF system is not fully regenerated;

[0138] If not, make sure the DPF system is fully regenerated.

[0139] An embodiment of the present application provides an electronic device, which includes a processor and a memory, wherein the memory is used to store program codes and data for health management, and the processor is used to call program instructions in the memory to execute steps shown in the health management method in the above embodiment.

[0140] An embodiment of the present invention provides a vehicle, which includes the electronic device provided by the above-mentioned embodiment of the present application, and the electronic device is used to execute the health management method disclosed in the embodiment of the present application.

[0141] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can refer to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system or system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiment. The system and system embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without creative work.

[0142] Professionals may further appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in the above description according to function. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians may use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0143] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A health management method, characterized in that: The method comprises: If the total running mileage of the vehicle exceeds a first preset value, obtaining a first regeneration mileage of the DPF system; When it is determined that the first regeneration mileage is lower than the second regeneration mileage, and the difference between the first regeneration mileage and the second regeneration mileage is less than a second preset value, determining that the health status of the engine and the after-treatment system is abnormal, wherein the second regeneration mileage is obtained based on the vehicle's current operating environment, operating conditions and driving data; Based on the regeneration status of the DPF system, abnormal components in the engine and the after-treatment system are determined, and corresponding warning information is output.

2. The method according to claim 1, characterized in that The second regeneration mileage is obtained based on the vehicle's current operating environment, operating conditions and driving data, including: Obtaining corresponding soot particle accumulation based on the vehicle's current operating environment and operating conditions; Correcting the soot accumulation amount based on the driving data to obtain a corrected soot accumulation amount; A corresponding second regeneration mileage is determined based on the corrected soot accumulation amount.

3. The method according to claim 1, characterized in that Determine abnormal components in the engine and post-processing system based on the regeneration status of the DPF system, and output corresponding warning information, including: If it is determined that the DPF system has completed regeneration, determining a state of the engine intake system; The state of the air intake system is used to output first warning information, where the first warning information belongs to warning information.

4. The method according to claim 3, characterized in that Determine the condition of the engine air intake system, including: If it is determined that the engine is operating in a stable operating condition region, key characteristic parameters of the intake system of the vehicle under the current operating environment are obtained; If the difference corresponding to each key characteristic parameter exceeds a third value, determining that the state of the engine intake system is normal; If the difference corresponding to any key characteristic parameter does not exceed the third value, it is determined that the state of the engine intake system is abnormal.

5. The method according to claim 1, characterized in that Also includes: If it is determined that the DPF system cannot be completely regenerated, determining whether there is a human factor causing the DPF system to be unable to be completely regenerated; If not, a second warning message is output, wherein the second warning message is a warning message indicating that there is a component that affects health.

6. The method according to claim 1, characterized in that Determine whether there are human factors that cause the DPF system to be unable to fully regenerate, including: Obtaining the operating status of the vehicle during the regeneration process; Determining whether the running state of the vehicle is a stopped running state; If so, it is determined that there is a human factor that causes the DPF system to be unable to fully regenerate; If not, it is determined that there are no human factors that cause the DPF system to be unable to fully regenerate.

7. The method according to claim 1, characterized in that Determining whether the DPF system has completed regeneration, including: After the current regeneration process is completed, the pressure difference between the air inlet and the air outlet of the DPF system is obtained; Determining whether the pressure difference is less than a preset pressure value; If so, make sure the DPF system is not fully regenerated; If not, make sure the DPF system is fully regenerated.

8. A health management device, characterized in that: The device comprises: An acquisition unit, configured to acquire a first regeneration mileage of the DPF system if the total running mileage of the vehicle exceeds a first preset value; a determination unit, configured to determine that the engine and the post-processing system are in an abnormal state when it is determined that the first regeneration mileage is lower than a second regeneration mileage and the difference between the first regeneration mileage and the second regeneration mileage is less than a second preset value, wherein the second regeneration mileage is obtained by processing based on the vehicle's current operating environment, operating conditions and driving data; The processing unit is used to determine abnormal components in the engine and the after-treatment system based on the regeneration status of the DPF system, and output corresponding warning information.

9. An electronic device, characterized in that: include: A processor and a memory, wherein the processor and the memory are connected via a communication bus; wherein the processor is used to call and execute a program stored in the memory; The memory is used to store a program, and the program is used to implement the health management method as described in any one of claims 1-7.

10. A vehicle, characterized in that: The electronic device comprises the electronic device described in claim 9, and the electronic device is used to execute the health management method described in any one of claims 1-7.

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