Engine rust prevention control method and device, electronic equipment and storage medium

By monitoring the engine shutdown duration and vehicle speed, combined with throttle control, the water vapor in the engine can be discharged in a timely manner, solving the engine rust problem and improving the engine's anti-rust effect and safety.

CN120798523APending Publication Date: 2025-10-17DONGFENG MOTOR GRP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511009995.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-22
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

In hybrid vehicles, when the engine is not started for a long time, water vapor enters and causes rust problems. Traditional rust prevention solutions cannot protect closed areas, resulting in irreversible damage.

Method used

By monitoring the duration of engine shutdown, combining vehicle speed and weather forecast data, controlling engine speed and throttle status, water in the engine manifold can be discharged, reducing the probability of rust.

Benefits of technology

Effectively reduce the probability of engine rust, improve driving safety, protect key components and avoid irreversible damage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120798523A_ABST
    Figure CN120798523A_ABST
Patent Text Reader

Abstract

The invention provides an engine rust prevention control method and device, and relates to the technical field of vehicle control. The method comprises the steps that the flameout duration of an engine is monitored; under the condition that the flameout duration reaches the first duration, an anti-rust control strategy for the engine is entered; acquiring the speed of the vehicle; under the condition that the vehicle speed of the vehicle is larger than the preset vehicle speed threshold value, the rotating speed of an engine is controlled to reach the preset rotating speed, a throttle valve of the engine is controlled to be fully opened, and the engine is in the fuel cut-off state; and after waiting for a second duration, cancelling control over the engine to enable the engine to return to the stagnant state. According to the method, the flameout duration of the engine is monitored, and the anti-rust control strategy for the engine is started when the flameout duration reaches the first duration. The rotating speed and the throttle valve of the engine are controlled in time, so that deposited water in a manifold or a throat of the engine can be discharged from the air cylinder to the exhaust pipe in time, and the rusting probability of the engine is greatly reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle control, and in particular to an engine rust control method and device, an electronic device, and a storage medium. BACKGROUND

[0002] In a hybrid vehicle, some users will use the pure electric function for a long time. However, if the engine is not started for a long time, water vapor may enter the engine during the last working process, and the deposited water may cause rust on some iron parts of the engine. Each metal part is subject to serious corrosion risk due to environmental moisture penetration, lubricating oil film loss, and internal condensation. Oxidation and rusting easily occur on the surfaces of key moving pairs such as the crankshaft, cylinder sleeve, bearing, and valve mechanism, which may cause irreversible damage such as cylinder pulling, bearing bush adhesion, and oil passage blockage when restarting.

[0003] However, the traditional rust prevention scheme using rust-proof oil / wax can only cover the exposed surface and cannot protect the closed areas such as the crankcase and oil passage cavity. Moisture can still enter the cylinder through the crankcase ventilation system (PCV) and the exhaust valve gap, and condensation water may be generated when the temperature changes, which accelerates the pitting corrosion of the cast iron cylinder sleeve. Therefore, there is an urgent need to provide an engine rust control scheme. SUMMARY

[0004] The present application provides an engine rust control method, device, electronic device, and storage medium to solve the problem of rust risk caused by long-term engine non-operation in the prior art, reduce the rust probability of the engine, and improve driving safety.

[0005] In a first aspect, the present application provides an engine rust control method, comprising:

[0006] monitoring the engine off time;

[0007] if the engine off time reaches a first time, entering a rust control strategy for the engine;

[0008] obtaining the vehicle speed of the vehicle;

[0009] if the vehicle speed of the vehicle is greater than a preset vehicle speed threshold, controlling the engine speed to reach a preset engine speed and controlling the engine throttle to be fully open, so that the engine is in an oil-off state;

[0010] after waiting for a second time, canceling the control of the engine so that the engine returns to a stagnant state.

[0011] Optionally, the method further comprises: acquiring weather forecast data of the day; acquiring a vehicle speed of the vehicle when it is determined according to the weather forecast data that it is predicted to rain on the day; when the vehicle speed is greater than the preset vehicle speed threshold, controlling the engine speed to reach the preset speed and controlling the throttle valve of the engine to be fully open, so that the engine is in a fuel cut state; and after waiting for the second time length, canceling the control of the engine so that the engine returns to the idle state.

[0012] Optionally, the method further comprises: when the vehicle speed is less than or equal to the preset vehicle speed threshold, forcibly controlling the engine to operate and the operating time length is a third time length, and controlling the engine to enter a parking power generation working condition.

[0013] Optionally, the method further comprises: after forcibly controlling the engine to operate and the operating time length is a third time length, waiting for a fourth time length, and before the engine stops, controlling the motor to drag the engine to operate for a fifth time length and controlling the throttle valve of the engine to be fully open.

[0014] Optionally, the method further comprises: acquiring the vehicle speed again; when the vehicle speed is still less than or equal to the preset vehicle speed threshold, forcibly controlling the engine to start and operate next time the vehicle is started, and controlling the engine to enter a parking power generation working condition.

[0015] Optionally, the method further comprises: after controlling the engine to enter the parking power generation working condition, waiting for a sixth time length, and before the engine stops, controlling the motor to drag the engine to operate for a seventh time length and controlling the throttle valve of the engine to be fully open.

[0016] Optionally, the first time length is set to 30 days.

[0017] In a second aspect, the application also provides an engine anti-rust control device, comprising:

[0018] An engine-off time length monitoring module is configured to monitor the engine-off time length of the engine; and when the engine-off time length reaches a first time length, enter an anti-rust control strategy for the engine.

[0019] A first control module is configured to acquire a vehicle speed of the vehicle; when the vehicle speed is greater than a preset vehicle speed threshold, control the engine speed to reach a preset speed and control the throttle valve of the engine to be fully open, so that the engine is in a fuel cut state.

[0020] A second control module is configured to cancel the control of the engine so that the engine returns to an idle state after waiting for a second time length.

[0021] In a third aspect, the present application provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to implement the method according to the first aspect.

[0022] In a fourth aspect, the present application provides a non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method according to the first aspect.

[0023] The engine rust control method and device provided by the present application can monitor the engine stall time, and start the rust control strategy for the engine when the engine stall time reaches a first time length. By timely controlling the engine speed and the throttle, the deposited water in the engine manifold or the throat can be discharged to the exhaust pipe through the cylinder, thereby greatly reducing the rust probability of the engine. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 is a flowchart of the engine rust control method provided by the embodiments of the present application;

[0026] Figure 2 is a structural schematic diagram of the engine rust control device provided by the embodiments of the present application;

[0027] Figure 3 is a structural schematic diagram of the electronic device provided by the embodiments of the present application. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely in conjunction with the drawings in the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] Figure 1 is a flowchart of the engine rust control method provided by the embodiments of the present application. Referring to Figure 1The engine rust prevention control method provided by the embodiments of the present application can be executed by a control system, which can be arranged in a terminal or a server. The terminal can be a vehicle terminal or a user terminal. The server can be a server communicating with a vehicle. The server is not limited in particular. The control system is taken as an example for description. The method can include the following steps.

[0030] In step 110, the engine off time is monitored.

[0031] In step 120, when the engine off time reaches a first time, a rust prevention control strategy for the engine is entered.

[0032] In step 130, the vehicle speed is obtained.

[0033] In step 140, when the vehicle speed is greater than a preset vehicle speed threshold, the engine speed is controlled to reach a preset engine speed, and the engine throttle is fully opened, so that the engine is in an oil-off state.

[0034] In step 150, after waiting for a second time, the engine is controlled to return to an idle state.

[0035] Firstly, the engine off time can be recorded in real time by the ECU, for example, the timing is started by the ignition switch OFF signal. Specifically, the engine off time can be counted from the time of the last power-off. When the engine off time reaches a first time, it can be determined that the engine enters a high-risk rust period, and the rust prevention control strategy can be started at this time. This method can replace the traditional fixed period maintenance, so that the rust prevention control strategy can be triggered accurately based on the actual parking time. The ECU (Electronic Control Unit) of the vehicle is a "microcomputer" inside the vehicle, which is responsible for controlling and managing specific functions or systems of the vehicle. The full opening of the engine throttle means that the throttle valve rotates to an angle parallel to the intake pipe, so that the cross-sectional area of the intake passage reaches the maximum, thereby allowing air to enter the engine with the least resistance. The motor reverse drag engine can avoid the deposition of condensed water and water vapor, and reduce the probability of rusting of parts.

[0036] Next, the vehicle speed can be obtained through an ABS wheel speed sensor or a CAN bus, and it is determined whether the vehicle speed is greater than a preset speed threshold. The ABS wheel speed sensor (also known as a wheel speed sensor) is a core component in the automobile anti-lock braking system (ABS), which can monitor the wheel speed in real time. When the vehicle speed is greater than the preset speed threshold, the engine speed is controlled to reach a preset speed, and the engine throttle is fully opened, so that the engine is in a fuel cut state. In this way, the strong wind cooling effect generated by high-speed driving can be used to reduce the exhaust temperature and avoid oxidation of high-temperature components in the anti-rust operation. In one specific embodiment, the preset speed threshold can be set to 50 km / h.

[0037] When the vehicle speed is greater than the preset speed threshold, the controller can control the engine speed to rise to a preset speed. The preset speed can be set to 1000 rpm to 1500 rpm, and specifically can be set to 1000 rpm. At the same time, the throttle is controlled to be fully opened, the ECU cuts off fuel injection, and the engine enters a fuel cut state, so that zero fuel consumption can be achieved. Further, after maintaining the engine fuel cut state for a second duration, the engine is controlled to return to an idle state, and the process is repeated every interval until the engine is restarted, so that short-term movement can avoid long-term static contact with rust, and periodic cycling can cope with changes in environmental humidity. In this way, the deposited water in the engine manifold or the throat can be effectively discharged through the cylinder to the exhaust pipe. In this method, the preset speed threshold is set to 50 km / h, and the second duration, the third duration, etc. are set to 5 seconds, so that the anti-rust control scheme for the engine can be completed without the user's awareness.

[0038] The method monitors the engine stall duration, and when the stall duration reaches a first duration, an anti-rust control strategy for the engine is started. By timely controlling the engine speed and throttle, the deposited water in the engine manifold or the throat can be discharged through the cylinder to the exhaust pipe, greatly reducing the rust probability of the engine.

[0039] In one embodiment, the method further comprises: obtaining weather forecast data for the day; obtaining the vehicle speed when it is determined according to the weather prediction data that it will rain on the day; when the vehicle speed is greater than a preset speed threshold, controlling the engine speed to reach a preset speed, and controlling the engine throttle to be fully opened, so that the engine is in a fuel cut state; after waiting for a second duration, the engine is controlled to return to an idle state.

[0040] The weather forecast data of the day can be obtained by accessing the meteorological service API (such as the data interface of the China Meteorological Administration CMA) through the vehicle network module or parsing the RDS weather code of the vehicle radio. The structured forecast data of the day is extracted. The weather forecast data can include: precipitation probability, precipitation type, precipitation period, etc. Information, so as to predict whether it is a high humidity environment by using external meteorological data. That is, if the weather forecast predicts that it will rain today, it means that the humidity will be larger today. Even if it has not rained at the current time, it is necessary to avoid the deposition of water in the air inlet pipe caused by the stay of wet air. Therefore, in this case, the anti-rust control strategy for the engine can also be started.

[0041] If the precipitation probability of the day is greater than or equal to the preset threshold, and the precipitation type is rain, the anti-rust preparation can be started. Specifically, the vehicle speed can be obtained in real time by reading the wheel speed sensor data through the CAN bus. When the vehicle speed is greater than the preset vehicle speed threshold, a control instruction is sent to the engine ECU through the CAN bus to control the engine throttle to be fully open, and the ECU can cut off the fuel injection, and the engine enters the fuel cut state. After maintaining the fuel cut state for a second duration, the control of the engine is immediately exited to return to the idle state. Specifically, the second duration can be set to 5s.

[0042] Further, based on the scheme of the above embodiment, a humidity sensor can also be added. When the humidity sensor detects that the humidity of the environment reaches a certain value, the vehicle speed can also be obtained, and in the case where the vehicle speed is greater than the preset vehicle speed threshold, the engine speed is controlled to reach the preset speed, and the engine throttle is fully opened, so that the engine is in the fuel cut state. And after waiting for the second duration, the control of the engine is cancelled so that the engine returns to the idle state.

[0043] In one embodiment, the method further comprises: in the case where the vehicle speed is less than or equal to the preset vehicle speed threshold, forcibly controlling the engine to operate and the operating duration is a third duration, and controlling the engine to enter the parking power generation working condition.

[0044] The vehicle speed is obtained in real time by reading the wheel speed sensor data through the CAN bus. When the vehicle speed is less than or equal to a preset vehicle speed threshold, the low-speed anti-rust mode is triggered. First, it is confirmed that the transmission gear is in P or N, which can be checked by the TCU signal. In addition, the state of the electronic hand brake is also monitored to determine whether it has been pulled up. This can double-lock the parking state and prevent the risk of vehicle movement caused by false triggering. At the same time, a cooperative instruction is sent to the power domain controller (PDCU) to increase the speed to a dedicated power generation speed, which can be set to 1000 rpm. The power generation condition is maintained for a third duration, and the engine is controlled to enter the stationary power generation condition. Specifically, the third duration can be set to 1 minute. The stationary power generation condition is a unique working mode of hybrid electric vehicles (including PHEV / HEV / range extender), which refers to the process of charging the battery or directly supplying power through the engine driving the generator in a stationary state (P / N + hand brake). The technical essence is an off-grid power supply system of the engine-generator set.

[0045] In one embodiment, the method further comprises: after forcibly controlling the engine to operate and the operating duration is the third duration, waiting for a fourth duration, before the engine is stopped, controlling the motor to drag the engine to operate for a fifth duration, and controlling the throttle of the engine to be fully open.

[0046] After completing the power generation condition for the third duration, a silent waiting phase is entered, and after waiting for a fourth duration, the controller can control the motor to drag the engine to rotate before the engine is stopped. The essence is to use the motor to drive the engine in reverse. Specifically, the fourth duration can be set to 1 minute. The fifth duration can be set to 5 seconds.

[0047] In one embodiment, the method further comprises: again obtaining the vehicle speed; and under the condition that the vehicle speed is still less than or equal to the preset vehicle speed threshold, forcibly controlling the engine to start and operate next time the vehicle is started, and controlling the engine to enter the stationary power generation condition.

[0048] After forcibly controlling the engine to operate and the operating duration is the third duration, waiting for a fourth duration, before the engine is stopped, controlling the motor to drag the engine to operate for a fifth duration, and controlling the throttle of the engine to be fully open, the vehicle speed needs to be obtained again. If the vehicle speed is still less than or equal to the preset vehicle speed threshold, the engine can be forcibly controlled to start and operate next time the vehicle is started, and the engine can be controlled to enter the stationary power generation condition. The stationary power generation condition is a unique working mode of hybrid electric vehicles (including PHEV / HEV / range extender), which refers to the process of charging the battery or directly supplying power through the engine driving the generator in a stationary state (P / N + hand brake). The technical essence is an off-grid power supply system of the engine-generator set.

[0049] Further, in one embodiment, after the engine is controlled to enter the parking power generation working condition, a sixth time length is waited for, and before the engine is stopped, the motor is controlled to drag the engine to operate for a seventh time length, and the throttle of the engine is controlled to be fully opened.

[0050] The sixth time length can be set to 1 minute, and the seventh time length can be set to 5 seconds. After the engine is controlled to enter the parking power generation working condition, 1 minute can be waited for first, and then before the engine is stopped, the motor is controlled to drag the engine to operate for 5 seconds, and the throttle of the engine is controlled to be fully opened. The throttle of the engine is fully opened, that is, the throttle valve is rotated to an angle that is completely parallel to the air intake pipeline, so that the cross-sectional area of the air intake passage reaches the maximum, thereby allowing air to enter the engine with the minimum resistance. The motor dragging the engine can avoid the deposition of condensed water and water vapor, and reduce the probability of rusting of parts.

[0051] In one embodiment, the first time length is set to 30 days. That is, if it is monitored that the engine off time reaches one month, the engine rust control strategy can be entered.

[0052] In the method, the preset vehicle speed threshold is set to 50 km / h, and the second time length, the third time length, etc. are set to 5 seconds, so that the engine rust control scheme can be completed without the user's awareness.

[0053] The method monitors the engine off time, and starts the engine rust control strategy when the engine off time reaches the first time length. By timely controlling the engine speed and the throttle, the deposited water in the engine manifold or the throat can be discharged to the exhaust pipe through the cylinder, and the rust probability of the engine can be greatly reduced.

[0054] The engine rust control device provided in the application will be described below. The engine rust control device described below can be referred to in correspondence with the engine rust control method described above.

[0055] Figure 2 FIG. 1 is a structural schematic diagram of an engine rust control device provided in an embodiment of the application. Referring to FIG. 1, Figure 2 The engine rust control device provided in the embodiment of the application can include:

[0056] The off time monitoring module 210 is configured to monitor the off time of the engine, and enter the engine rust control strategy when the off time reaches the first time length.

[0057] The first control module 220 is configured to acquire the vehicle speed of the vehicle, and control the engine speed to reach the preset engine speed and control the throttle of the engine to be fully opened when the vehicle speed is greater than the preset vehicle speed threshold, so that the engine is in the fuel cut state.

[0058] The second control module 230 is configured to cancel the control of the engine after waiting for a second time length, so that the engine returns to the idle state.

[0059] The engine rust control device provided by the embodiments of the present application controls the engine speed to reach a preset engine speed and controls the throttle valve of the engine to be fully opened, so that the engine is in the fuel cut state. After waiting for a second time length, the control of the engine is cancelled, so that the engine returns to the idle state. In this method, the deposition water in the engine manifold or the throat can be discharged through the cylinder to the exhaust pipe in time by timely controlling the engine speed and the throttle valve, thereby greatly reducing the rust probability of the engine.

[0060] Specifically, the engine rust control device provided by the embodiments of the present application further comprises a weather data module (not shown in the figure) configured to acquire weather forecast data of the day. The first control module 220 is further configured to acquire the vehicle speed when it is predicted according to the weather prediction data that it will rain on the day, control the engine speed to reach a preset engine speed and control the throttle valve of the engine to be fully opened when the vehicle speed is greater than a preset vehicle speed threshold, so that the engine is in the fuel cut state, and cancel the control of the engine after waiting for a second time length, so that the engine returns to the idle state.

[0061] In one embodiment, the first control module 220 is further configured to forcibly control the engine to operate and the operating time length is a third time length when the vehicle speed is less than or equal to the preset vehicle speed threshold, and control the engine to enter the parking power generation working condition.

[0062] In one embodiment, the first control module 220 is further configured to control the motor to drag the engine to operate for a fifth time length and control the throttle valve of the engine to be fully opened before the engine is stopped after waiting for a fourth time length after the engine is forcibly controlled to operate and the operating time length is the third time length.

[0063] In one embodiment, the first control module 220 is further configured to acquire the vehicle speed again, and forcibly control the engine to start and operate and control the engine to enter the parking power generation working condition when the vehicle speed is still less than or equal to the preset vehicle speed threshold next time the vehicle is started.

[0064] In one embodiment, the first control module 220 is further configured to control the motor to drag the engine to operate for a seventh time length and control the throttle valve of the engine to be fully opened before the engine is stopped after waiting for a sixth time length after the engine is controlled to enter the parking power generation working condition.

[0065] In one embodiment, the first time length is set to 30 days.

[0066] Figure 3 Schematic diagram of the structure of the electronic device provided in the embodiment of the present application. Figure 3 As shown, the electronic device may include: a processor 310, a communication interface 320, a memory 330, and a communication bus 340, wherein the processor 310, the communication interface 320, and the memory 330 communicate with each other via the communication bus 340. The processor 310 may call the logic instructions in the memory 330 to execute the engine rust prevention control method, for example, including:

[0067] Monitor engine shutdown duration;

[0068] When the flameout duration reaches a first duration, an engine anti-rust control strategy is entered;

[0069] Get the vehicle's speed;

[0070] When the vehicle speed is greater than a preset speed threshold, the engine speed is controlled to reach a preset speed, and the throttle of the engine is controlled to be fully open, so that the engine is in a fuel cut-off state;

[0071] After waiting for the second time period, the engine control is canceled so that the engine returns to the stagnant state.

[0072] In addition, the logic instructions in the above-mentioned memory 330 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0073] On the other hand, the present application also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the engine rust prevention control method provided by the above methods are implemented, for example, including:

[0074] Monitor engine shutdown duration;

[0075] In a case where the engine-off duration reaches the first duration, a rust prevention control strategy for the engine is entered;

[0076] A vehicle speed is acquired;

[0077] In a case where the vehicle speed is greater than a preset vehicle speed threshold, a speed of the engine is controlled to reach a preset engine speed, and a throttle valve of the engine is controlled to be fully opened, so that the engine is in a fuel cut state;

[0078] After waiting for a second duration, the control of the engine is cancelled, so that the engine returns to the stall state.

[0079] In another aspect, the present application also provides a computer program product, which comprises a computer program, the computer program being stored in a non-transitory computer readable storage medium, and the computer program being executable by a processor to cause a computer to perform the steps of the engine rust prevention control method provided by the above-mentioned methods, for example comprising:

[0080] An engine-off duration of the engine is monitored;

[0081] In a case where the engine-off duration reaches the first duration, a rust prevention control strategy for the engine is entered;

[0082] A vehicle speed is acquired;

[0083] In a case where the vehicle speed is greater than a preset vehicle speed threshold, a speed of the engine is controlled to reach a preset engine speed, and a throttle valve of the engine is controlled to be fully opened, so that the engine is in a fuel cut state;

[0084] After waiting for a second duration, the control of the engine is cancelled, so that the engine returns to the stall state.

[0085] The apparatus embodiments described above are merely illustrative, wherein the units as illustrated may or may not be physically separate, and the components as units may or may not be physical components, i.e., may be located in one place, or may be distributed on a plurality of network components. Part or all of the modules may be selected according to actual needs to achieve the purpose of the present embodiment scheme. Those skilled in the art can understand and implement it without creative labor.

[0086] Those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary universal hardware platform, and of course can be implemented by hardware, based on the description of the foregoing embodiments. In view of such an understanding, the technical solutions described above essentially or in other words, the part that contributes to the prior art, can be embodied in the form of a software product, which can be stored in a computer readable storage medium, such as a ROM / RAM, a magnetic disk, or an optical disk, and includes a number of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0087] In addition, it should be noted that the terms "first", "second" and the like in the embodiments of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second" are generally a class, not limited to the number of objects, for example, the first object can be one or more.

[0088] In the embodiments of the present application, the term "and / or" describes the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after it.

[0089] In the embodiments of the present application, "determining B based on A" means that A is considered as a factor when determining B. It is not limited to "determining B based on A only", but also includes "determining B based on A and C", "determining B based on A, C and E", "determining C based on A, and determining B based on C further", and the like. In addition, it can also include A as a condition for determining B, for example, "when A meets the first condition, B is determined using the first method"; for example, "when A meets the second condition, B is determined"; for example, "when A meets the third condition, B is determined based on the first parameter"; and the like. Of course, A can also be a condition for determining B, for example, "when A meets the first condition, C is determined using the first method, and B is further determined based on C", and the like.

[0090] In the embodiments of the present application, the term "a plurality of" means two or more, and other quantifiers are similar.

[0091] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the same; although the present application has been described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An engine rust prevention control method, characterized in that: include: monitoring the engine shutdown duration; When the flameout duration reaches a first duration, entering a rust prevention control strategy for the engine; Get the vehicle's speed; When the speed of the vehicle is greater than a preset speed threshold, controlling the engine speed to reach a preset speed, and controlling the throttle of the engine to fully open, so that the engine is in a fuel cut-off state; After waiting for a second period of time, the engine is controlled off so that the engine returns to a stagnant state.

2. The engine rust prevention control method according to claim 1, characterized in that: The method further comprises: Get the weather forecast data for the day; When it is determined according to the weather forecast data that it is predicted to rain on that day, obtaining the speed of the vehicle; When the vehicle speed is greater than the preset speed threshold, controlling the engine speed to reach the preset speed, and controlling the throttle of the engine to fully open, so that the engine is in a fuel cut-off state; After waiting for the second time period, the engine is controlled off so that the engine returns to a stagnant state.

3. The engine rust prevention control method according to claim 1, characterized in that: The method further comprises: When the vehicle speed is less than or equal to the preset vehicle speed threshold, the engine is forcibly controlled to operate for a third operating time, and the engine is controlled to enter a parking power generation state.

4. The engine rust prevention control method according to claim 3, characterized in that: The method further comprises: After the engine is forcibly controlled to run for a third time period, after waiting for a fourth time period, before the engine stops, the motor is controlled to drag the engine to run for a fifth time period, and the throttle of the engine is controlled to be fully open.

5. The engine rust prevention control method according to claim 4, characterized in that: The method further comprises: Get the vehicle speed again; When the vehicle speed is still less than or equal to the preset vehicle speed threshold, the engine is forcibly controlled to start and run when the vehicle is started next time, and the engine is controlled to enter a parking power generation state.

6. The engine rust prevention control method according to claim 5, characterized in that: The method further comprises: After controlling the engine to enter the parking power generation state, after waiting for the sixth time period, before the engine stops, controlling the motor to drag the engine to run for the seventh time period, and controlling the throttle of the engine to be fully opened.

7. The engine rust prevention control method according to claim 1, characterized in that: The first duration is set to 30 days.

8. An engine anti-rust control device, characterized in that: include: A flameout duration monitoring module, used to monitor the flameout duration of the engine; When the flameout duration reaches a first duration, entering a rust prevention control strategy for the engine; a first control module, configured to obtain a vehicle speed; and, when the vehicle speed is greater than a preset speed threshold, control the engine speed to reach a preset speed, and control the engine throttle to fully open, so that the engine is in a fuel-cut state; The second control module is configured to cancel controlling the engine after waiting for a second period of time so that the engine returns to a stagnant state.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the computer program, the engine rust prevention control method according to any one of claims 1 to 7 is implemented.

10. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the engine rust prevention control method according to any one of claims 1 to 7 is implemented.