Early warning method, system and equipment for freezing of engine oil under extremely cold working condition and medium

Abstract

The invention discloses an extremely cold working condition engine oil icing early warning method, system and device and a medium. The method comprises the steps that engine state parameters are obtained, and the engine state parameters are uploaded to a cloud system according to a preset period; calculating the real-time low-temperature driving mileage of the vehicle based on the engine parameters, and setting an early warning mileage according to the real-time state of the engine; and comparing the early warning mileage with the real-time low-temperature driving mileage, and sending a maintenance early warning according to a comparison result. The early-warning mileage and the real-time low-temperature driving mileage of the vehicle are calculated according to the real-time temperature through the state parameters of the engine, so that it is ensured that the icing early-warning signal is sent before vehicle engine oil is iced, and vehicle starting damage is avoided.

Description

Technical Field

[0001] The present invention relates to the field of engines, and in particular to an extremely cold working condition oil freezing early warning method, system, equipment and medium. Background Art

[0002] Nowadays, people have an increasing demand for vehicles, and vehicles are also suitable for various environmental conditions. However, in the northeast region in winter, the temperature is extremely low, reaching more than -30 degrees.

[0003] When the engine is working, water is generated after the fuel and air mixture is burned. In a low-temperature environment, the temperature of the engine body is relatively low, and the water vapor generated after combustion will enter the crankcase through the cylinder wall, and then pass through the crankcase ventilation system, through the cylinder head cover, cylinder head, cylinder body and other oil return channels, and become liquid water after wall cooling and enter the oil pan. In extremely cold conditions, when the vehicle is running at low load, the liquid water will freeze and cause engine damage. Summary of the invention

[0004] Based on this, the purpose of the present invention is to provide an extremely cold condition oil freezing warning method, system, equipment and medium, aiming to solve the current problem that liquid water will freeze and cause engine damage when the vehicle is running at low load in a low temperature environment.

[0005] To achieve the above object, the present invention provides an extremely cold working condition engine oil freezing early warning method, the extremely cold working condition engine oil freezing early warning method comprising:

[0006] Obtaining engine status parameters and uploading the engine status parameters to a cloud system at a preset period;

[0007] Calculate the vehicle's real-time low-temperature mileage based on engine parameters, and set warning mileage based on the real-time status of the engine;

[0008] The warning mileage is compared with the real-time low-temperature driving mileage, and a maintenance warning is sent according to the comparison result.

[0009] In summary, according to an extremely cold condition oil freezing warning method proposed by the present invention, the engine status is monitored by TBOX, and the engine status parameters are obtained, and the engine parameters are uploaded to the RDS cloud system. The RDS cloud system calculates the real-time low-temperature mileage of the engine through the engine parameters, and sets the warning mileage according to the current real-time status of the engine. By comparing the warning mileage and the real-time low-temperature mileage, and sending a maintenance warning based on the comparison result, the engine oil is replaced, thereby avoiding engine damage. The present invention starts from the engine status parameters, calculates the warning mileage and real-time low-temperature mileage of the vehicle according to the real-time temperature, to ensure that the ice warning signal is sent before the vehicle oil freezes, to avoid vehicle startup damage.

[0010] According to one aspect of the above technical solution, the step of obtaining the engine status parameters and uploading the engine status parameters to the cloud system at a preset period specifically includes:

[0011] Controlling TBOX to obtain engine parameters, wherein the engine parameters at least include engine start / stop status, engine water temperature, engine temperature, and actual vehicle mileage;

[0012] The engine parameters acquired are uploaded to the RDS cloud system according to a preset period.

[0013] According to one aspect of the above technical solution, the step of calculating the low-temperature driving mileage of the vehicle based on the engine parameters and setting the warning mileage according to the real-time status of the engine specifically includes:

[0014] Analyze the influence of external temperature and oil temperature on vehicle fuel consumption respectively:

[0015] Get the vehicle's fuel consumption F0 at normal temperature T0, and calculate the fuel consumption correction coefficients K1 and K2 at the current temperature T1:

[0016]

[0017] Where D1 and t respectively represent that the fuel consumption increases by D1 for every t℃ decrease, and D1 is a percentage;

[0018]

[0019] Where D2 and t respectively represent that the fuel consumption increases by D2 for every t℃ decrease, D2 is a percentage, T3 is the current oil temperature, and T2 is 90℃;

[0020] Calculate the actual fuel consumption F at the current temperature T1:

[0021] F=F0×K1×K2

[0022] Calculate the low temperature mileage S:

[0023]

[0024] The step of calculating the low-temperature driving mileage of the vehicle based on the engine parameters and setting the warning mileage according to the real-time status of the engine specifically includes:

[0025] Analyze the influence of external temperature and oil temperature on vehicle fuel consumption respectively:

[0026] Get the vehicle's fuel consumption F0 at normal temperature T0, and calculate the fuel consumption correction coefficients K1 and K2 at the current temperature T1:

[0027]

[0028] Where D1 and t respectively represent that the fuel consumption increases by D1 for every t℃ decrease, and D1 is a percentage;

[0029]

[0030] Where D2 and t respectively represent that the fuel consumption increases by D2 for every t℃ decrease, D2 is a percentage, T3 is the current oil temperature, and T2 is 90℃;

[0031] Calculate the actual fuel consumption F at the current temperature T1:

[0032] F=F0×K1×K2

[0033] Calculate the low temperature mileage S:

[0034]

[0035] Among them, V is the remaining oil volume.

[0036] According to one aspect of the above technical solution, the calculation process of the warning mileage S2 is:

[0037]

[0038] S2=S1×K1×K2

[0039] Among them, S1 is the theoretical warning mileage, S2 is the corrected warning mileage, T3 is the engine temperature, T1 is the external temperature, and r is the engine temperature drop rate.

[0040] According to one aspect of the above technical solution, based on different engine water temperatures, the weight of the actual mileage S3 is set to calculate the real-time low-temperature mileage S4:

[0041] When the engine water temperature is less than or equal to 50℃:

[0042] S4=S+S3

[0043] When the engine water temperature is (50℃, 75℃]:

[0044] S4=S-k1S3

[0045] When the engine water temperature is (75℃, 90℃]:

[0046] S4=S-k2S3

[0047] When the engine water temperature is greater than 90°C:

[0048] S4=S-k3S3

[0049] According to one aspect of the above technical solution, the step of comparing the warning mileage with the real-time low-temperature driving mileage and sending a maintenance warning according to the comparison result specifically includes:

[0050] The warning mileage is compared with the real-time low-temperature driving mileage. If the real-time low-temperature driving mileage is greater than the warning mileage, a maintenance warning is sent to change the engine oil.

[0051] The present invention further proposes an extremely cold working condition engine oil freezing warning system, characterized in that the extremely cold working condition engine oil freezing warning system is used to implement the extremely cold working condition engine oil freezing warning method described above, and the system comprises:

[0052] An acquisition module, used to acquire engine status parameters and upload the engine status parameters to a cloud system according to a preset period;

[0053] A calculation module, used to calculate the real-time low-temperature driving mileage of the vehicle based on the engine parameters, and set the warning mileage according to the real-time status of the engine;

[0054] The comparison module is used to compare the warning mileage and the real-time low-temperature driving mileage, and send a maintenance warning according to the comparison result.

[0055] The present invention also proposes a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the above-mentioned method for warning of oil freezing in extremely cold conditions.

[0056] The present invention also proposes an electronic device, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor implements the above-mentioned extreme cold conditions oil freezing warning method when executing the computer program.

[0057] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 This is a flow chart of an extremely cold working condition oil freezing warning method in Embodiment 1 of the present invention;

[0059] Figure 2 This is a schematic diagram of the structure of the extremely cold working condition oil freezing warning system in the second embodiment of the present invention;

[0060] Figure 3 This is a structural block diagram of an electronic device in Embodiment 4 of the present invention. DETAILED DESCRIPTION

[0061] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0062] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0063] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0064] Embodiment 1

[0065] like Figure 1 The flowchart of an extremely cold working condition oil freezing early warning method in the first embodiment of the present invention is shown. The extremely cold working condition oil freezing early warning method comprises the following steps S01 to S03, wherein:

[0066] S01. Obtain engine status parameters, and upload the engine status parameters to a cloud system according to a preset period.

[0067] Controlling TBOX to obtain engine parameters, wherein the engine parameters at least include engine start / stop status, engine water temperature, engine temperature, and actual vehicle mileage;

[0068] The engine parameters acquired are uploaded to the RDS cloud system according to a preset period.

[0069] In this embodiment, the EMS module sends the engine status bit to TBOX, and determines the current engine start and stop based on the acquired engine status bit. At the same time, TBOX collects engine parameters, such as engine water temperature, engine temperature, and actual vehicle mileage, and sends the above engine parameters to the RDS cloud system at a preset period. The preset period is usually 30s in this embodiment.

[0070] S02. Calculate the real-time low-temperature driving mileage of the vehicle based on engine parameters, and set a warning mileage according to the real-time status of the engine.

[0071] When the engine is started, the RDS cloud system monitors the vehicle's real-time cold-temperature mileage.

[0072] When the engine is working, water is generated after the fuel and air mixture is burned. In a low temperature environment, the temperature of the engine body is relatively low. The water vapor generated after combustion will enter the crankcase through the cylinder wall, and then pass through the crankcase ventilation system, through the cylinder head cover, cylinder head, cylinder body and other oil return channels, and become liquid water after wall cooling and enter the oil pan. In extremely cold conditions, liquid water freezes and then causes the oil to freeze. In order to avoid engine damage, the effects of external temperature and oil temperature on vehicle fuel consumption are analyzed separately:

[0073] Get the vehicle's fuel consumption F0 at normal temperature T0, and calculate the fuel consumption correction coefficients K1 and K2 at the current temperature T1:

[0074]

[0075] Where D1 and t respectively represent that the fuel consumption increases by D1 for every t℃ decrease, and D1 is a percentage;

[0076]

[0077] Where D2 and t respectively represent that the fuel consumption increases by D2 for every t℃ decrease, D2 is a percentage, T3 is the current oil temperature, and T2 is 90℃;

[0078] Calculate the actual fuel consumption F at the current temperature T1:

[0079] F=F2×K1×K2

[0080] Calculate the low temperature mileage S:

[0081]

[0082] Among them, V is the remaining oil volume.

[0083] The calculation process of the warning mileage S2 is:

[0084]

[0085] S2=S1×K1×K2

[0086] Among them, S1 is the theoretical warning mileage, S2 is the corrected warning mileage, T3 is the engine temperature, T1 is the external temperature, and r is the engine temperature drop rate.

[0087] Based on different engine water temperatures, the weight of the actual mileage S3 is set to calculate the real-time low-temperature mileage S4:

[0088] When the engine water temperature is less than or equal to 50℃:

[0089] S4=S+S3

[0090] When the engine water temperature is (50℃, 75℃]:

[0091] S4=S-k1S3

[0092] When the engine water temperature is (75℃, 90℃]:

[0093] S4=S-k2S3

[0094] When the engine water temperature is greater than 90°C:

[0095] S4=S-k3S3

[0096] The low-temperature mileage is calculated by combining the current basic fuel loss, the current outside temperature and the current oil temperature, and different weights are assigned to the actual mileage S3 according to different engine water temperatures, thereby calculating the real-time low-temperature mileage, alerting users to the risk of oil freezing in advance and reducing user losses.

[0097] The reason for assigning different weights is that when the engine water temperature rises, the engine temperature also rises, and the melting rate of ice crystals is accelerated, so the larger the weight is set.

[0098] S03: Compare the warning mileage with the real-time low-temperature driving mileage, and send a maintenance warning according to the comparison result.

[0099] The warning mileage is compared with the real-time low-temperature driving mileage. If the real-time low-temperature driving mileage is greater than the warning mileage, a maintenance warning is sent to change the engine oil.

[0100] In summary, according to an extremely cold condition oil freezing warning method proposed by the present invention, the engine status is monitored by TBOX, and the engine status parameters are obtained, and the engine parameters are uploaded to the RDS cloud system. The RDS cloud system calculates the real-time low-temperature mileage of the engine through the engine parameters, and sets the warning mileage according to the current real-time status of the engine. By comparing the warning mileage and the real-time low-temperature mileage, and sending a maintenance warning based on the comparison result, the engine oil is replaced, thereby avoiding engine damage. The present invention starts from the engine status parameters, calculates the warning mileage and real-time low-temperature mileage of the vehicle according to the real-time temperature, to ensure that the ice warning signal is sent before the vehicle oil freezes, to avoid vehicle startup damage.

[0101] Embodiment 2

[0102] Another aspect of the present invention is to provide an extremely cold condition engine oil freezing warning system, please refer to Figure 2, which is a schematic diagram of the structure of the extremely cold working condition oil freezing warning system in the second embodiment of the present invention, the extremely cold working condition oil freezing warning system comprises:

[0103] An acquisition module 11 is used to acquire engine status parameters and upload the engine status parameters to a cloud system according to a preset period;

[0104] A calculation module 12, used to calculate the real-time low-temperature driving mileage of the vehicle based on the engine parameters, and set the warning mileage according to the real-time status of the engine;

[0105] The comparison module 13 is used to compare the warning mileage with the real-time low-temperature driving mileage, and send a maintenance warning according to the comparison result.

[0106] Controlling TBOX to obtain engine parameters, wherein the engine parameters at least include engine start / stop status, engine water temperature, engine temperature, and actual vehicle mileage;

[0107] The engine parameters acquired are uploaded to the RDS cloud system according to a preset period.

[0108] In this embodiment, the EMS module sends the engine status bit to TBOX, and determines the current engine start and stop based on the acquired engine status bit. At the same time, TBOX collects engine parameters, such as engine water temperature, engine temperature, and actual vehicle mileage, and sends the above engine parameters to the RDS cloud system at a preset period. The preset period is usually 30s in this embodiment.

[0109] When the engine is started, the RDS cloud system monitors the vehicle's real-time cold-temperature mileage.

[0110] When the engine is working, water is generated after the fuel and air mixture is burned. In a low temperature environment, the temperature of the engine body is relatively low. The water vapor generated after combustion will enter the crankcase through the cylinder wall, and then pass through the crankcase ventilation system, through the cylinder head cover, cylinder head, cylinder body and other oil return channels, and become liquid water after wall cooling and enter the oil pan. In extremely cold conditions, liquid water freezes and then causes the oil to freeze. In order to avoid engine damage, the effects of external temperature and oil temperature on vehicle fuel consumption are analyzed separately:

[0111] Get the vehicle's fuel consumption F0 at normal temperature T0, and calculate the fuel consumption correction coefficients K1 and K2 at the current temperature T1:

[0112]

[0113] Where D1 and t respectively represent that the fuel consumption increases by D1 for every t℃ decrease, and D1 is a percentage;

[0114]

[0115] Where D2 and t respectively represent that the fuel consumption increases by D2 for every t℃ decrease, D2 is a percentage, T3 is the current oil temperature, and T2 is 90℃;

[0116] Calculate the actual fuel consumption F at the current temperature T1:

[0117] F=F0×K1×K2

[0118] Calculate the low temperature mileage S:

[0119]

[0120] Among them, V is the remaining oil volume.

[0121] The calculation process of the warning mileage S2 is:

[0122]

[0123] S2=S1×K1×K2

[0124] Among them, S1 is the theoretical warning mileage, S2 is the corrected warning mileage, T3 is the engine temperature, T1 is the external temperature, and r is the engine temperature drop rate.

[0125] Based on different engine water temperatures, the weight of the actual mileage S3 is set to calculate the real-time low-temperature mileage S4:

[0126] When the engine water temperature is less than or equal to 50℃:

[0127] S4=S+S3

[0128] When the engine water temperature is (50℃, 75℃]:

[0129] S4=S-k1S3

[0130] When the engine water temperature is (75℃, 90℃]:

[0131] S4=S-k2S3

[0132] When the engine water temperature is greater than 90°C:

[0133] S4=S-k3S3

[0134] The low-temperature mileage is calculated by combining the current basic fuel loss, the current outside temperature and the current oil temperature, and different weights are assigned to the actual mileage S3 according to different engine water temperatures, thereby calculating the real-time low-temperature mileage, alerting users to the risk of oil freezing in advance and reducing user losses.

[0135] The reason for assigning different weights is that when the engine water temperature rises, the engine temperature also rises, and the melting rate of ice crystals is accelerated, so the larger the weight is set.

[0136] The warning mileage is compared with the real-time low-temperature driving mileage. If the real-time low-temperature driving mileage is greater than the warning mileage, a maintenance warning is sent to change the engine oil.

[0137] In summary, according to an extremely cold condition oil freezing warning system proposed by the present invention, the engine status is monitored by TBOX, and the engine status parameters are obtained, and the engine parameters are uploaded to the RDS cloud system. The RDS cloud system calculates the real-time low-temperature mileage of the engine through the engine parameters, and sets the warning mileage according to the current real-time status of the engine. By comparing the warning mileage and the real-time low-temperature mileage, and sending a maintenance warning based on the comparison result, the engine oil is replaced, thereby avoiding engine damage. Starting from the engine status parameters, the present invention calculates the warning mileage and real-time low-temperature mileage of the vehicle according to the real-time temperature, so as to ensure that the ice warning signal is sent before the vehicle oil freezes, so as to avoid vehicle startup damage.

[0138] Embodiment 3

[0139] On the other hand, the present invention further proposes a computer-readable storage medium having one or more computer programs stored thereon, which, when executed by a processor, implement the above-mentioned method for warning oil freezing in extreme cold conditions.

[0140] Those skilled in the art will appreciate that the logic or steps represented in the flowchart or otherwise described herein, for example, may be considered as an ordered list of executable instructions for implementing logical functions, and may be embodied in any computer-readable storage medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in conjunction with such instruction execution systems, devices or apparatuses. For purposes of this specification, a "computer-readable storage medium" may be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in conjunction with such instruction execution systems, devices or apparatuses.

[0141] More specific examples of computer-readable storage media (a non-exhaustive list) include the following: an electrical connection with one or more wires (electronic device), a portable computer disk case (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable storage medium may even be a paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, deciphering or processing in another suitable manner as necessary, and then stored in a computer memory.

[0142] Embodiment 4

[0143] Figure 3 This is a structural block diagram of an electronic device provided in Example 4. The electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the method for warning engine oil freezing in extreme cold conditions in the above-mentioned embodiment is implemented. Figure 3 The electronic device 30 shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0144] like Figure 3 As shown, the electronic device 30 may be in the form of a general-purpose computing device, for example, it may be a server device. The components of the electronic device 30 may include, but are not limited to: at least one processor 31, at least one memory 32, and a bus 33 connecting different system components (including the memory 32 and the processor 31).

[0145] The bus 33 includes a data bus, an address bus, and a control bus.

[0146] The memory 32 may include a volatile memory, such as a RAM 321 (Random Access Memory), and / or a cache memory 322 , and may further include a ROM 323 (Read Only Memory).

[0147] The memory 32 may also include a program tool 325 having a set (at least one) of program modules 324, such program modules 324 including but not limited to: an operating system, one or more application programs, other program modules and program data, each of which or some combination may include the implementation of a network environment.

[0148] The processor 31 executes various functional applications and data processing by running the computer programs stored in the memory 32, such as the extremely cold condition oil freezing warning method of the present invention as described above.

[0149] The electronic device 30 may also communicate with one or more external devices 34 (e.g., keyboards, pointing devices, etc.). Such communication may be performed via an I / O interface 35 (input / output interface). Furthermore, the model generating electronic device 30 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and / or a public network, such as the Internet) via a network adapter 36. Figure 3 As shown, the network adapter 36 communicates with other modules of the model-generated electronic device 30 via the bus 33. It should be understood that, although not shown in the figure, other hardware and / or software modules can be used in conjunction with the model-generated electronic device 30, including but not limited to: microcode, device drivers, redundant processors, disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.

[0150] It should be noted that although several units / modules or sub-units / modules of the electronic device are mentioned in the above detailed description, this division is merely exemplary and not mandatory. In fact, according to an embodiment of the present invention, the features and functions of two or more units / modules described above can be embodied in one unit / module. Conversely, the features and functions of one unit / module described above can be further divided into multiple units / modules to be embodied.

[0151] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0152] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A method for early warning of engine oil freezing in extremely cold conditions, characterized in that: The extremely cold working condition engine oil freezing warning method comprises: Obtaining engine status parameters and uploading the engine status parameters to a cloud system at a preset period; Calculate the vehicle's real-time low-temperature mileage based on engine parameters, and set warning mileage based on the real-time status of the engine; The warning mileage is compared with the real-time low-temperature driving mileage, and a maintenance warning is sent according to the comparison result.

2. The method for early warning of engine oil freezing in extreme cold conditions according to claim 1, characterized in that: The step of obtaining the engine status parameters and uploading the engine status parameters to the cloud system at a preset period specifically includes: Controlling TBOX to obtain engine parameters, wherein the engine parameters at least include engine start / stop status, engine water temperature, engine temperature, and actual vehicle mileage; The engine parameters acquired are uploaded to the RDS cloud system according to a preset period.

3. The method for early warning of engine oil freezing in extreme cold conditions according to claim 1, characterized in that: The step of calculating the low-temperature driving mileage of the vehicle based on the engine parameters and setting the warning mileage according to the real-time status of the engine specifically includes: Analyze the influence of external temperature and oil temperature on vehicle fuel consumption respectively: Get the vehicle's fuel consumption F0 at normal temperature T0, and calculate the fuel consumption correction coefficients K1 and K2 at the current temperature T1: Where D1 and t respectively represent that the fuel consumption increases by D1 for every decrease of t℃, and D1 is a percentage; Where D2 and t respectively represent that the fuel consumption increases by D2 for every t℃ decrease, D2 is a percentage, T3 is the current oil temperature, and T2 is 90℃; Calculate the actual fuel consumption F at the current temperature T1: F=F0×K1×K2 Calculate the low temperature mileage S: Among them, V is the remaining oil volume.

4. The method for early warning of engine oil freezing in extreme cold conditions according to claim 3, characterized in that: The calculation process of the warning mileage S2 is: S2=S1×K1×K2 Among them, S1 is the theoretical warning mileage, S2 is the corrected warning mileage, T3 is the engine temperature, T1 is the external temperature, and r is the engine temperature drop rate.

5. The method for early warning of engine oil freezing in extreme cold conditions according to claim 4, characterized in that: Based on different engine water temperatures, the weight of the actual mileage S3 is set to calculate the real-time low-temperature mileage S4: When the engine water temperature is less than or equal to 50℃: S4=S+S3 When the engine water temperature is (50℃, 75℃]: S4=S-k1S3 When the engine water temperature is (75℃, 90℃]: S4=S-k2S3 When the engine water temperature is greater than 90°C: S4=S-k3S3.

6. The method for early warning of engine oil freezing in extreme cold conditions according to claim 1, characterized in that: The step of comparing the warning mileage with the real-time low-temperature driving mileage and sending a maintenance warning according to the comparison result specifically includes: The warning mileage is compared with the real-time low-temperature driving mileage. If the real-time low-temperature driving mileage is greater than the warning mileage, a maintenance warning is sent to replace the engine oil.

7. An extremely cold condition engine oil freezing warning system, characterized in that: The extremely cold working condition engine oil freezing warning system is used to implement the extremely cold working condition engine oil freezing warning method according to any one of claims 1 to 6, and the system comprises: An acquisition module, used to acquire engine status parameters and upload the engine status parameters to a cloud system according to a preset period; A calculation module, used to calculate the real-time low-temperature driving mileage of the vehicle based on the engine parameters, and set the warning mileage according to the real-time status of the engine; The comparison module is used to compare the warning mileage and the real-time low-temperature driving mileage, and send a maintenance warning according to the comparison result.

8. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the extremely cold conditions oil freezing warning method as described in any one of claims 1-6 is implemented.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that: When the processor executes the computer program, the extremely cold operating condition oil freezing warning method as described in any one of claims 1-6 is implemented.

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