Engine fan abnormality warning method, device, electronic equipment and medium

Abstract

The present invention relates to an engine fan abnormality early warning method, device, electronic device and medium, the method comprising: obtaining driving data of a target vehicle; determining the vehicle operation state, retarder request fan flag, auxiliary brake request fan flag, air conditioning request fan flag and intake temperature request fan flag based on the driving data; determining the fan engagement time according to the vehicle operation state, retarder request fan flag, auxiliary brake request fan flag, air conditioning request fan flag and intake temperature request fan flag; determining whether the engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold. The present invention realizes real-time early warning of fan abnormality.

Description

Technical Field

[0001] The present invention relates to the field of automobile electronic technology, and in particular to an engine fan abnormality early warning method, device, electronic equipment and medium. Background Art

[0002] The engine water temperature is an important indicator of whether the engine is working properly. If the water temperature is too high, the oil temperature will rise, the oil viscosity will decrease, and it will be difficult to form a lubricating oil film between the engine friction pairs, resulting in wear problems such as cylinder scuffing and valve scuffing. On the other hand, high water temperature will increase the engine heat load and increase the reliability risk of various parts in the engine. If the water temperature is too low, the engine friction work will increase, affecting the economy of the whole machine. Therefore, the water temperature should be controlled within an appropriate range.

[0003] The fan is one of the important components in the vehicle cooling and lubrication system to ensure that the water temperature is controlled at the target temperature. If the fan speed cannot reach the target speed, there is a risk of the engine water temperature exceeding the limit.

[0004] The prior art lacks real-time warning of fan abnormality. When the fan abnormality causes the water temperature to exceed the limit alarm, the vehicle economy has been affected and the vehicle speed and torque are limited. Summary of the invention

[0005] In view of this, it is necessary to provide an engine fan abnormality warning method to achieve the purpose of real-time warning of fan abnormality.

[0006] In order to achieve the above object, the present invention provides an engine fan abnormality warning method, comprising:

[0007] Obtaining driving data of the target vehicle;

[0008] determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data;

[0009] determining a fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag;

[0010] Whether the engine fan of the target vehicle is abnormal is determined according to the fan engagement time and a preset fan engagement time threshold.

[0011] In some possible implementations, the driving data includes one or more of the following: engine speed, retarder torque percentage, auxiliary braking status, clutch status, throttle opening, neutral signal, engine water temperature, engine ambient temperature, vehicle speed, intake manifold temperature and torque percentage.

[0012] In some possible implementations, determining the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag based on the driving data includes:

[0013] determining a vehicle operating state based on the engine speed;

[0014] determining a retarder request fan flag according to the retarder torque percentage, the water temperature, and the engine speed;

[0015] determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature;

[0016] determining an air conditioning request fan flag according to whether the vehicle operating state, the ambient temperature of the engine, the vehicle speed, and the engine speed meet a first preset condition, a second preset condition, a third preset condition, and a fourth preset condition;

[0017] An intake air temperature request fan flag is determined based on vehicle operating conditions, the intake manifold temperature, and the torque percentage.

[0018] In some possible implementations, determining the vehicle operating state according to the engine speed includes: if the engine speed is greater than a first preset speed, determining that the target vehicle is in an operating state;

[0019] The step of determining the retarder request fan flag according to the retarder torque percentage, the water temperature, and the engine speed includes: if the retarder torque percentage is not 0, the water temperature is greater than a first preset temperature, and the engine speed is greater than a second preset speed, determining that the retarder request fan flag is 1;

[0020] Determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature, comprising: if the auxiliary brake state handle switch is on and the clutch state switch is off and the throttle opening is 0 and the neutral signal is non-neutral and the engine speed is greater than a second preset speed and the water temperature is greater than a second preset temperature, determining that the auxiliary brake request fan flag is 1;

[0021] The determining of the air conditioning request fan flag according to the vehicle operation state, the first preset condition, the second preset condition, the third preset condition and the fourth preset condition comprises: if the target vehicle is in an operation state, and the ambient temperature of the engine, the vehicle speed and the engine speed meet at least one of the first preset condition, the second preset condition, the third preset condition and the fourth preset condition, determining that the air conditioning request fan flag is 1;

[0022] The method of determining the intake temperature request fan flag according to the vehicle operating state, the intake manifold temperature and the torque percentage includes: if the target vehicle is in an operating state and the intake manifold temperature is greater than a third preset temperature and the torque percentage is greater than a preset torque percentage, determining that the intake temperature request fan flag is 1.

[0023] In some possible implementations, the first preset condition is that the ambient temperature is greater than a first preset ambient temperature and the vehicle speed is less than a first preset vehicle speed; the second preset condition is that the ambient temperature is greater than a second preset ambient temperature and the vehicle speed is less than a second preset vehicle speed; the third preset condition is that the ambient temperature is greater than a third preset ambient temperature and the vehicle speed is less than a third preset vehicle speed and the engine speed is greater than a first preset engine speed; the fourth preset condition is that the ambient temperature is greater than a fourth preset ambient temperature and the vehicle speed is less than a fourth preset vehicle speed and the engine speed is greater than the second preset engine speed.

[0024] In some possible implementations, determining the fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag includes:

[0025] When the retarder request fan flag is 1 or the auxiliary brake request fan flag is 1, obtaining a first speed of the current fan, determining a fan target speed according to the first speed, and determining a fan engagement time according to the first speed and the fan target speed;

[0026] When the air conditioner request fan flag is 1 and the engine speed is less than a second preset speed, obtaining a second speed of the current fan, and determining a fan engagement time according to the second speed and a first preset target speed;

[0027] When the intake temperature requests the fan flag to be 1 and the intake manifold temperature is less than a first preset temperature, or the air conditioning requests the fan flag to be 1 and the intake manifold temperature is greater than a first preset temperature, the third speed of the current fan is obtained, and the fan engagement time is determined according to the third speed and the second preset target speed.

[0028] In some possible implementations, determining that the engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold includes:

[0029] When the fan engagement time reaches a preset fan engagement time threshold, it is determined that the engine fan of the target vehicle is abnormal.

[0030] On the other hand, the present invention also provides an engine fan abnormality warning device, comprising:

[0031] A data acquisition module, used to acquire the driving data of the target vehicle;

[0032] a flag determination module, for determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data;

[0033] a fan engagement time acquisition module, configured to determine the fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag;

[0034] The fan abnormality determination module is used to determine the abnormality of the engine fan of the target vehicle according to the fan engagement time and a preset fan engagement time threshold.

[0035] On the other hand, the present invention also provides an electronic device, including a memory and a processor, wherein:

[0036] The memory is used to store programs;

[0037] The processor is coupled to the memory and is used to execute the program stored in the memory to implement the steps in the engine fan abnormality warning method described in any one of the above implementations.

[0038] On the other hand, the present invention also provides a computer-readable storage medium for storing computer-readable programs or instructions, which, when executed by a processor, can implement the steps of an engine fan abnormality warning method described in any of the above-mentioned implementation methods.

[0039] The beneficial effects of adopting the above embodiment are as follows: the present invention provides an engine fan abnormality warning method, which obtains the driving data of the target vehicle and determines the vehicle operation status, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake temperature request fan flag, determines the fan engagement time according to the vehicle operation status, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake temperature request fan flag, and determines whether the engine fan of the target vehicle is abnormal according to the fan engagement time and the preset fan engagement time threshold. The present invention determines the fan engagement time according to the vehicle operation status, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake temperature request fan flag, and determines whether the fan is abnormal according to the fan engagement time and the preset fan engagement time threshold, and can provide real-time warning for fan abnormality. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A method flow chart of an embodiment of an engine fan abnormality warning method provided by the present invention;

[0041] Figure 2 A schematic structural diagram of an embodiment of an engine fan abnormality warning device provided by the present invention;

[0042] Figure 3 A schematic structural diagram of an embodiment of an electronic device provided by the present invention. DETAILED DESCRIPTION

[0043] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0044] Figure 1 A schematic flow chart of an embodiment of an engine fan abnormality warning method provided by the present invention is shown in FIG. Figure 1 As shown, a method for early warning of abnormality of an engine fan includes:

[0045] S101, obtaining driving data of a target vehicle;

[0046] S102, determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data;

[0047] S103, determining a fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag;

[0048] S104: Determine that the engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold.

[0049] Compared with the prior art, the present embodiment provides an engine fan abnormality warning method, which obtains the driving data of the target vehicle and determines the vehicle operation status, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake temperature request fan flag, determines the fan engagement time according to the vehicle operation status, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake temperature request fan flag, and determines whether the engine fan of the target vehicle is abnormal according to the fan engagement time and the preset fan engagement time threshold. The present invention determines the fan engagement time according to the vehicle operation status, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake temperature request fan flag, and determines whether the fan is abnormal according to the fan engagement time and the preset fan engagement time threshold, and can perform real-time warning and predictive maintenance on fan abnormalities.

[0050] In some embodiments of the present invention, the driving data includes one or more of the following: engine speed, retarder torque percentage, auxiliary braking status, clutch status, throttle opening, neutral signal, engine water temperature, engine ambient temperature, vehicle speed, intake manifold temperature and torque percentage.

[0051] In some embodiments of the present invention, determining the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake air temperature request fan flag based on the driving data includes:

[0052] determining a vehicle operating state based on the engine speed;

[0053] determining a retarder request fan flag according to the retarder torque percentage, the water temperature, and the engine speed;

[0054] determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature;

[0055] determining an air conditioning request fan flag according to whether the vehicle operating state, the ambient temperature of the engine, the vehicle speed, and the engine speed meet a first preset condition, a second preset condition, a third preset condition, and a fourth preset condition;

[0056] An intake air temperature request fan flag is determined based on vehicle operating conditions, the intake manifold temperature, and the torque percentage.

[0057] In some embodiments of the present invention, the determining the vehicle operating state according to the engine speed includes: if the engine speed is greater than a first preset speed, determining that the target vehicle is in an operating state;

[0058] The step of determining the retarder request fan flag according to the retarder torque percentage, the water temperature, and the engine speed includes: if the retarder torque percentage is not 0, the water temperature is greater than a first preset temperature, and the engine speed is greater than a second preset speed, determining that the retarder request fan flag is 1;

[0059] Determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature, comprising: if the auxiliary brake state handle switch is on and the clutch state switch is off and the throttle opening is 0 and the neutral signal is non-neutral and the engine speed is greater than a second preset speed and the water temperature is greater than a second preset temperature, determining that the auxiliary brake request fan flag is 1;

[0060] The determining of the air conditioning request fan flag according to the vehicle operation state, the first preset condition, the second preset condition, the third preset condition and the fourth preset condition comprises: if the target vehicle is in an operation state, and the ambient temperature of the engine, the vehicle speed and the engine speed meet at least one of the first preset condition, the second preset condition, the third preset condition and the fourth preset condition, determining that the air conditioning request fan flag is 1;

[0061] The method of determining the intake temperature request fan flag according to the vehicle operating state, the intake manifold temperature and the torque percentage includes: if the target vehicle is in an operating state and the intake manifold temperature is greater than a third preset temperature and the torque percentage is greater than a preset torque percentage, determining that the intake temperature request fan flag is 1.

[0062] In a specific embodiment of the present invention, the special working condition extraction method is as follows:

[0063] The vehicle operating status is judged. If the vehicle engine speed is greater than 50 rpm, the vehicle is judged to be operating.

[0064] The vehicle retarder request fan is judged. If the retarder torque percentage is not 0, and the water temperature is greater than 65°C and the engine speed is greater than 1000rpm, the retarder request fan flag is 1, otherwise it is 0.

[0065] The vehicle auxiliary brake request fan is judged. If the auxiliary brake handle switch is on, the clutch switch is off, the throttle opening is 0, the neutral signal is not neutral, the engine speed is greater than 1000rpm, and the water temperature is greater than 50℃, the auxiliary brake request fan flag is 1, otherwise it is 0.

[0066] The air conditioning fan request flag is judged. If the vehicle is in operation and the first preset condition (ambient temperature is greater than 10°C and vehicle speed is less than 20km / h) or the second preset condition (ambient temperature is greater than 35°C and vehicle speed is less than 10km / h) or the third preset condition (ambient temperature is greater than 30°C and vehicle speed is less than 45km / h and engine speed is greater than 1200rpm) or the fourth preset condition (ambient temperature is greater than 40°C and vehicle speed is less than 45km / h and engine speed is greater than 1500rpm) is met, then the air conditioning fan request flag is 1, otherwise it is 0.

[0067] The intake air temperature request fan is judged. If the vehicle is running, and the intake manifold temperature is greater than 60° C. and the torque percentage is greater than 88%, the intake air temperature request fan flag is 1, otherwise it is 0.

[0068] The operating point where the retarder requests the fan flag as 1, the auxiliary brake requests the fan flag as 1, the air conditioning requests the fan flag as 1, or the intake air temperature requests the fan flag as 1 is extracted as a special operating point.

[0069] In some embodiments of the present invention, the first preset condition is that the ambient temperature is greater than the first preset ambient temperature and the vehicle speed is less than the first preset speed; the second preset condition is that the ambient temperature is greater than the second preset ambient temperature and the vehicle speed is less than the second preset speed; the third preset condition is that the ambient temperature is greater than the third preset ambient temperature and the vehicle speed is less than the third preset speed and the engine speed is greater than the first preset engine speed; the fourth preset condition is that the ambient temperature is greater than the fourth preset ambient temperature and the vehicle speed is less than the fourth preset speed and the engine speed is greater than the second preset engine speed.

[0070] In a specific embodiment of the present invention, the first preset condition is that the ambient temperature is greater than 10°C and the vehicle speed is less than 20km / h; the second preset condition is that the ambient temperature is greater than 35°C and the vehicle speed is less than 10km / h; the third preset condition is that the ambient temperature is greater than 30°C, the vehicle speed is less than 45km / h, and the engine speed is greater than 1200rpm; the fourth preset condition is that the ambient temperature is greater than 40°C, the vehicle speed is less than 45km / h, and the engine speed is greater than 1500rpm.

[0071] In some embodiments of the present invention, determining the fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake air temperature request fan flag comprises:

[0072] When the retarder request fan flag is 1 or the auxiliary brake request fan flag is 1, obtaining a first speed of the current fan, determining a fan target speed according to the first speed, and determining a fan engagement time according to the first speed and the fan target speed;

[0073] When the air conditioner request fan flag is 1 and the engine speed is less than a second preset speed, obtaining a second speed of the current fan, and determining a fan engagement time according to the second speed and a first preset target speed;

[0074] When the intake temperature requests the fan flag to be 1 and the intake manifold temperature is less than a first preset temperature, or the air conditioning requests the fan flag to be 1 and the intake manifold temperature is greater than a first preset temperature, the third speed of the current fan is obtained, and the fan engagement time is determined according to the third speed and the second preset target speed.

[0075] In some embodiments of the present invention, determining that the engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold includes:

[0076] When the fan engagement time reaches a preset fan engagement time threshold, it is determined that the engine fan of the target vehicle is abnormal.

[0077] In a specific embodiment of the present invention, a method for determining an abnormal state of a fan under special working conditions is as follows:

[0078] If the retarder request fan flag is 1 or the auxiliary brake request fan flag is 1, calculate the time it takes for the fan speed at the current point of the vehicle to reach the fan target speed, and the fan target speed = current engine speed * fan speed ratio.

[0079] If the air conditioning request fan flag is 1 and the engine speed is less than 1500rpm, calculate the time it takes for the vehicle's current fan speed to reach the fan target speed, and the fan target speed is 610rpm; or if the air conditioning request fan flag is 1 and the engine speed is greater than 1500rpm, calculate the time it takes for the vehicle's current fan speed to reach the fan target speed, and the fan target speed is 1510rpm.

[0080] If the intake temperature request fan flag is 1 and the intake manifold temperature is less than 65°C, calculate the time it takes for the vehicle's current fan speed to reach the fan target speed, and the fan target speed is 1000rpm; or if the intake temperature request fan flag is 1 and the intake manifold temperature is greater than 65°C, calculate the time it takes for the vehicle's current fan speed to reach the fan target speed, and the fan target speed is 1200rpm.

[0081] The time it takes for the fan speed to reach the target speed calculated above is the fan engagement time. Set a preset fan engagement time threshold, for example: 60s. If the fan engagement time reaches the preset fan engagement time threshold, the fan is judged to be abnormal. The fan engagement time threshold can be measured by a single fan product test or confirmed based on statistical data. The method for confirming the fan engagement time threshold based on statistical data is: use the same method as above to count the fan speed engagement time of all vehicles of the same model as the current vehicle, and take the maximum value of the fan engagement time within 2 standard deviations in the statistical data as the fan speed engagement time threshold for the current vehicle.

[0082] In order to better implement an engine fan abnormality warning method in an embodiment of the present invention, based on an engine fan abnormality warning method, correspondingly, Figure 2 As shown, an embodiment of the present invention further provides an engine fan abnormality warning device, an engine fan abnormality warning device 200 includes:

[0083] The data acquisition module 201 is used to acquire the driving data of the target vehicle;

[0084] a flag determination module 202, for determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data;

[0085] A fan engagement time acquisition module 203 is used to determine the fan engagement time according to the vehicle operation state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake air temperature request fan flag;

[0086] The fan abnormality determination module 204 is used to determine the abnormality of the engine fan of the target vehicle according to the fan engagement time and a preset fan engagement time threshold.

[0087] The engine fan abnormality warning device 200 provided in the above embodiment can implement the technical solution described in the above engine fan abnormality warning method embodiment. The specific implementation principles of the above modules or units can refer to the corresponding contents in the above engine fan abnormality warning method embodiment, which will not be repeated here.

[0088] like Figure 3As shown, the present invention also provides an electronic device 300. The electronic device 300 includes a processor 301, a memory 302 and a display 303. Figure 3 Only some components of the electronic device 300 are shown, but it should be understood that it is not required to implement all of the components shown, and more or fewer components may be implemented instead.

[0089] In some embodiments, the processor 301 may be a central processing unit (CPU), a microprocessor or other data processing chip, used to run program codes or process data stored in the memory 302, such as an engine fan abnormality warning method in the present invention.

[0090] In some embodiments, the processor 301 may be a single server or a server group. The server group may be centralized or distributed. In some embodiments, the processor 301 may be local or remote. In some embodiments, the processor 301 may be implemented in a cloud platform. In one embodiment, the cloud platform may include a private cloud, a public cloud, a hybrid cloud, a community cloud, a distributed cloud, an internal cloud, a multi-cloud, etc., or any combination thereof.

[0091] In some embodiments, the memory 302 may be an internal storage unit of the electronic device 300, such as a hard disk or memory of the electronic device 300. In other embodiments, the memory 302 may also be an external storage device of the electronic device 300, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device 300.

[0092] Furthermore, the memory 303 may include both an internal storage unit of the electronic device 300 and an external storage device. The memory 302 is used to store application software installed in the electronic device 300 and various data.

[0093] In some embodiments, the display 303 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch device, etc. The display 303 is used to display information on the electronic device 300 and to display a visual user interface. The components 301-303 of the electronic device 300 communicate with each other via a system bus.

[0094] In one embodiment, when the processor 301 executes an engine fan abnormality warning program in the memory 302, the following steps may be implemented:

[0095] Obtaining driving data of the target vehicle;

[0096] determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data;

[0097] determining a fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag;

[0098] An abnormality of the engine fan of the target vehicle is determined according to the fan engagement time and a preset fan engagement time threshold.

[0099] It should be understood that: when the processor 301 executes an engine fan abnormality warning program in the memory 302, in addition to the above functions, other functions can also be implemented. For details, please refer to the description of the corresponding method embodiment above.

[0100] Furthermore, the embodiment of the present invention does not specifically limit the type of the electronic device 300 mentioned, and the electronic device 300 may be a portable electronic device such as a mobile phone, a tablet computer, a personal digital assistant (PDA), a wearable device, a laptop computer, etc. Exemplary embodiments of portable electronic devices include but are not limited to portable electronic devices equipped with IOS, Android, Microsoft or other operating systems. The above-mentioned portable electronic device may also be other portable electronic devices, such as a laptop computer with a touch-sensitive surface (e.g., a touch panel). It should also be understood that in some other embodiments of the present invention, the electronic device 300 may not be a portable electronic device, but a desktop computer with a touch-sensitive surface (e.g., a touch panel).

[0101] Those skilled in the art will appreciate that all or part of the processes of the above-mentioned embodiments can be implemented by instructing related hardware through a computer program, and the program can be stored in a computer-readable storage medium, wherein the computer-readable storage medium is a disk, an optical disk, a read-only storage memory, or a random access memory, etc.

[0102] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. An engine fan abnormality warning method, characterized in that: include: Acquire driving data of the target vehicle, the driving data including: engine speed, retarder torque percentage, auxiliary brake state, clutch state, throttle opening, neutral signal, engine water temperature, engine ambient temperature, vehicle speed, intake manifold temperature and torque percentage; determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data; determining a fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag; determining whether an engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold; The determining of the vehicle operation state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake air temperature request fan flag based on the driving data includes: determining a vehicle operating state based on the engine speed; determining a retarder request fan flag according to the retarder torque percentage, the water temperature, and the engine speed; determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature; determining an air conditioning request fan flag according to whether the vehicle operating state, the ambient temperature of the engine, the vehicle speed, and the engine speed meet a first preset condition, a second preset condition, a third preset condition, and a fourth preset condition; determining an intake air temperature request fan flag based on a vehicle operating state, the intake manifold temperature, and the torque percentage; The determining the vehicle operating state according to the engine speed includes: If the engine speed is greater than a first preset speed, determining that the target vehicle is in an operating state; The step of determining the retarder request fan flag according to the retarder torque percentage, the water temperature and the engine speed comprises: If the retarder torque percentage is not 0 and the water temperature is greater than a first preset temperature and the engine speed is greater than a second preset speed, determining that the retarder request fan flag is 1; Determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature includes: If the auxiliary brake state handle switch is on and the clutch state switch is off and the throttle opening is 0 and the neutral signal is non-neutral and the engine speed is greater than a second preset speed and the water temperature is greater than a second preset temperature, then determine that the auxiliary brake request fan flag is 1; Determining an air conditioning request fan flag according to whether the vehicle operating state, the ambient temperature of the engine, the vehicle speed, and the engine speed meet a first preset condition, a second preset condition, a third preset condition, and a fourth preset condition, includes: If the target vehicle is in an operating state, and the ambient temperature of the engine, the vehicle speed, and the engine speed meet at least one of the first preset condition, the second preset condition, the third preset condition, and the fourth preset condition, determining that the air conditioning request fan flag is 1; The step of determining an intake air temperature request fan flag according to the vehicle operating state, the intake manifold temperature and the torque percentage includes: If the target vehicle is in an operating state and the intake manifold temperature is greater than a third preset temperature and the torque percentage is greater than a preset torque percentage, it is determined that the intake temperature request fan flag is 1.

2. The engine fan abnormality warning method according to claim 1, characterized in that: The first preset condition is that the ambient temperature is greater than the first preset ambient temperature and the vehicle speed is less than the first preset speed; the second preset condition is that the ambient temperature is greater than the second preset ambient temperature and the vehicle speed is less than the second preset speed; the third preset condition is that the ambient temperature is greater than the third preset ambient temperature and the vehicle speed is less than the third preset speed and the engine speed is greater than the first preset engine speed; the fourth preset condition is that the ambient temperature is greater than the fourth preset ambient temperature and the vehicle speed is less than the fourth preset speed and the engine speed is greater than the second preset engine speed.

3. The engine fan abnormality warning method according to claim 1, characterized in that: Determining the fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag comprises: When the retarder request fan flag is 1 or the auxiliary brake request fan flag is 1, obtaining a first speed of the current fan, determining a fan target speed according to the first speed, and determining a fan engagement time according to the first speed and the fan target speed; When the air conditioner request fan flag is 1 and the engine speed is less than a second preset speed, obtaining a second speed of the current fan, and determining a fan engagement time according to the second speed and a first preset target speed; When the intake temperature requests the fan flag to be 1 and the intake manifold temperature is less than a first preset temperature, or the air conditioning requests the fan flag to be 1 and the intake manifold temperature is greater than a first preset temperature, the third speed of the current fan is obtained, and the fan engagement time is determined according to the third speed and the second preset target speed.

4. The engine fan abnormality warning method according to claim 1, characterized in that: The determining whether the engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold comprises: When the fan engagement time reaches a preset fan engagement time threshold, it is determined that the engine fan of the target vehicle is abnormal.

5. An engine fan abnormality warning device, characterized in that: include: A data acquisition module is used to acquire the driving data of the target vehicle, wherein the driving data includes: engine speed, retarder torque percentage, auxiliary brake state, clutch state, throttle opening, neutral signal, engine water temperature, engine ambient temperature, vehicle speed, intake manifold temperature and torque percentage; a flag determination module, for determining a vehicle operating state, a retarder request fan flag, an auxiliary brake request fan flag, an air conditioning request fan flag, and an intake air temperature request fan flag based on the driving data; a fan engagement time acquisition module, configured to determine the fan engagement time according to the vehicle operating state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag, and the intake air temperature request fan flag; a fan abnormality determination module, configured to determine whether the engine fan of the target vehicle is abnormal according to the fan engagement time and a preset fan engagement time threshold; The determining of the vehicle operation state, the retarder request fan flag, the auxiliary brake request fan flag, the air conditioning request fan flag and the intake air temperature request fan flag based on the driving data includes: determining a vehicle operating state based on the engine speed; determining a retarder request fan flag according to the retarder torque percentage, the water temperature, and the engine speed; determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature; determining an air conditioning request fan flag according to whether the vehicle operating state, the ambient temperature of the engine, the vehicle speed, and the engine speed meet a first preset condition, a second preset condition, a third preset condition, and a fourth preset condition; determining an intake air temperature request fan flag based on a vehicle operating state, the intake manifold temperature, and the torque percentage; The determining the vehicle operating state according to the engine speed includes: If the engine speed is greater than a first preset speed, determining that the target vehicle is in an operating state; The step of determining the retarder request fan flag according to the retarder torque percentage, the water temperature and the engine speed comprises: If the retarder torque percentage is not 0 and the water temperature is greater than a first preset temperature and the engine speed is greater than a second preset speed, determining that the retarder request fan flag is 1; Determining an auxiliary brake request fan flag according to the auxiliary brake state, the clutch state, the throttle opening, the neutral signal, the engine speed and the water temperature includes: If the auxiliary brake state handle switch is on and the clutch state switch is off and the throttle opening is 0 and the neutral signal is non-neutral and the engine speed is greater than a second preset speed and the water temperature is greater than a second preset temperature, then determine that the auxiliary brake request fan flag is 1; Determining an air conditioning request fan flag according to whether the vehicle operating state, the ambient temperature of the engine, the vehicle speed, and the engine speed meet a first preset condition, a second preset condition, a third preset condition, and a fourth preset condition, includes: If the target vehicle is in an operating state, and the ambient temperature of the engine, the vehicle speed, and the engine speed meet at least one of the first preset condition, the second preset condition, the third preset condition, and the fourth preset condition, determining that the air conditioning request fan flag is 1; The step of determining an intake air temperature request fan flag according to the vehicle operating state, the intake manifold temperature and the torque percentage includes: If the target vehicle is in an operating state and the intake manifold temperature is greater than a third preset temperature and the torque percentage is greater than a preset torque percentage, it is determined that the intake temperature request fan flag is 1.

6. An electronic device, characterized in that: comprising a memory and a processor, wherein: The memory is used to store programs; The processor is coupled to the memory and is used to execute the program stored in the memory to implement the steps in the engine fan abnormality warning method described in any one of claims 1 to 4 above.

7. A computer-readable storage medium, characterized in that: Used to store computer-readable programs or instructions, which, when executed by a processor, can implement the steps of an engine fan abnormality warning method as described in any one of claims 1 to 4 above.

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