Engine control method, device, equipment and storage medium

Abstract

The present application discloses an engine control method, device, equipment and storage medium, which belongs to the field of automobile control. The engine control method is applied to a hybrid vehicle, wherein the hybrid vehicle is a series hybrid vehicle, and specifically includes: obtaining the current state information of the vehicle; judging whether the current state information meets the preset conditions; if so, controlling the vehicle tank to stop supplying fuel to the engine. The present application achieves the technical effect of optimizing the comprehensive fuel consumption of hybrid vehicles.

Description

Technical Field

[0001] The present application relates to the field of automobile control, and in particular to an engine control method, device, equipment and storage medium. Background Art

[0002] Series hybrid electric vehicle, also known as extended-range electric vehicle, refers to a vehicle whose driving system is composed of two or more single driving systems that can operate simultaneously. The driving power of the vehicle is provided by a single driving system alone or together according to the actual driving state of the vehicle. It is mainly composed of control system, driving system, auxiliary power system and battery pack. Due to the existence of battery pack, the engine works in a relatively stable working condition, which improves its emissions.

[0003] However, when the hybrid vehicle is in a low power demand condition, the engine cannot be shut down. At this time, after the power battery is fully charged, the engine operating point will drop and the efficiency will become lower. In addition, since the energy transmission chain is longer than that of traditional fuel vehicles, the energy transmission efficiency is worse, and the fuel consumption of the hybrid vehicle will be very high at this time. Summary of the invention

[0004] The main purpose of the present application is to provide an engine control method, device, equipment and storage medium, aiming to solve the technical problem of high fuel consumption of hybrid vehicles when the engine cannot be shut down.

[0005] To achieve the above object, the present application provides an engine control method, which is applied to a hybrid electric vehicle, wherein the hybrid electric vehicle is a series hybrid electric vehicle, and the method comprises:

[0006] Get the current status information of the vehicle;

[0007] Determining whether the current status information meets a preset condition;

[0008] If the conditions are met, the vehicle fuel tank is controlled to stop supplying fuel to the engine.

[0009] Optionally, the obtaining of current status information of the vehicle, wherein the current status information includes real-time remaining power information of a battery pack of the hybrid electric vehicle;

[0010] The determining whether the current status information satisfies a preset condition includes:

[0011] It is determined whether the current status information satisfies that the real-time remaining power information of the battery pack is greater than a first preset value.

[0012] Optionally, the obtaining of current status information of the vehicle, wherein the current status information includes real-time remaining power information and driving power information of a battery pack of the hybrid electric vehicle;

[0013] The determining whether the current status information satisfies a preset condition includes:

[0014] It is determined whether the current status information satisfies that the real-time remaining power information of the battery pack is greater than a first preset value, and the driving power information is less than a second preset value.

[0015] Optionally, the current state information of the vehicle is obtained, wherein the current state information includes real-time remaining power information, driving power information and engine efficiency information of the battery pack of the hybrid electric vehicle;

[0016] The determining whether the current status information satisfies a preset condition includes:

[0017] It is determined whether the current status information satisfies that the real-time remaining power information of the battery pack is greater than a first preset value, the driving power information is less than a second preset value, and the engine efficiency information is less than a third preset value.

[0018] Optionally, after determining whether the current status information meets a preset condition, the method further includes:

[0019] If not, the vehicle fuel tank is controlled to supply fuel to the engine.

[0020] Optionally, if the condition is satisfied, after controlling the vehicle fuel tank to stop supplying fuel to the engine, the method further comprises:

[0021] Monitoring the status information of the vehicle after the fuel supply is stopped;

[0022] According to the state information after the oil supply is stopped, the current state information is updated, and the process returns to execute the determination of whether the current state information meets a preset condition.

[0023] Optionally, after controlling the vehicle fuel tank to stop supplying fuel to the engine if the condition is satisfied, the method further includes:

[0024] Obtaining the duration of controlling the vehicle fuel tank to stop supplying fuel to the engine;

[0025] Determine whether the duration is less than a preset time;

[0026] If it is not less than, controlling the vehicle fuel tank to supply fuel to the vehicle engine.

[0027] In addition, to achieve the above-mentioned purpose, the present application also proposes an engine control device, which is applied to a hybrid vehicle, wherein the hybrid vehicle is a series hybrid vehicle, and the device comprises:

[0028] A status acquisition module is used to obtain the current status information of the vehicle;

[0029] An information determination module, used to determine whether the current status information meets a preset condition;

[0030] The fuel supply stop module is used to control the vehicle fuel tank to stop supplying fuel to the engine if the conditions are met.

[0031] The present application also provides an engine control device, comprising: a processor, a memory, and an engine control program stored in the memory, wherein the engine control program, when executed by the processor, implements the various steps described in any possible implementation of the first aspect.

[0032] The present application also provides a computer-readable storage medium on which an engine control program is stored. When the engine control program is executed by a processor, the various steps described in any possible implementation of the first aspect are implemented.

[0033] The present application obtains the current state of the vehicle in real time, compares the current state with pre-set state conditions, determines whether the current state satisfies the conditions for stopping fuel supply, and controls the vehicle tank to stop supplying fuel to the engine when the conditions are met, thereby solving the problem of high fuel consumption of existing hybrid vehicles when the engine cannot be shut down. While ensuring the drivability of the vehicle, the vehicle battery pack is protected, achieving the technical effect of optimizing the comprehensive fuel consumption of hybrid vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 A schematic diagram of the structure of an engine control device in the hardware operating environment involved in this application;

[0035] Figure 2 This is a flow chart of the first embodiment of the engine control of the present application;

[0036] Figure 3 This is a flow chart of the second embodiment of the engine control of the present application;

[0037] Figure 4 This is a flow chart of the third embodiment of the engine control of the present application;

[0038] Figure 5 This is a flow chart of a fourth embodiment of the engine control of the present application;

[0039] Figure 6 This is a flowchart of the fifth embodiment of the engine control of the present application;

[0040] Figure 7 This is a schematic diagram of the functional modules of the engine control device involved in this application;

[0041] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0042] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0043] In the normal state of the existing extended-range electric vehicles, the electricity generated by the generator is mainly used for the motor, and then the vehicle is driven by the mechanical transmission device. When the electricity generated by the generator is surplus, it can be charged to the battery pack at the same time. When the battery pack is fully charged, the vehicle can be operated in pure electric mode, that is, the engine stops running; in the fault state where the engine cannot be shut down, the engine will not stop running after the power battery is fully charged. The high-load operation will cause the engine working state to deviate from the optimal working state, that is, the engine operating condition point will drop, the efficiency will become low, the energy transfer power will be poor, and the fuel consumption will be very high.

[0044] The present application provides a solution, which obtains the current state information of the vehicle and further determines whether the current state of the vehicle meets the preset state conditions. If the preset state conditions are met, the vehicle fuel tank is controlled to stop supplying fuel to the engine, thereby ensuring the drivability of the vehicle while protecting the vehicle battery pack, thereby achieving the technical effect of optimizing the comprehensive fuel consumption of hybrid vehicles.

[0045] Reference Figure 1 , Figure 1 This is a schematic diagram of the structure of the engine control device in the hardware operating environment involved in the embodiment of the present application.

[0046] like Figure 1As shown, the engine control device may include: a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a wireless fidelity (WIreless-FIdelity, WI-FI) interface). The memory 1005 may be a high-speed random access memory (Random Access Memory, RAM) memory, or a stable non-volatile memory (Non-Volatile Memory, NVM), such as a disk memory. The memory 1005 may also be a storage device independent of the aforementioned processor 1001.

[0047] Those skilled in the art will understand that Figure 1 The structure shown in the figure does not constitute a limitation on the engine control device, and may include more or less components than shown in the figure, or combine certain components, or arrange the components differently.

[0048] like Figure 1 As shown, the memory 1005 as a storage medium may include an operating system, a data storage module, a network communication module, a user interface module and an engine control program.

[0049] exist Figure 1 In the embodiment, the network interface 1004 is mainly used for data communication with the network server; the user interface 1003 is mainly used for data interaction with the user; the processor 1001 and the memory 1005 in the engine control device of the present application can be set in the engine control device, and the engine control device calls the engine control program stored in the memory 1005 through the processor 1001, and executes the engine control method provided in the embodiment of the present application.

[0050] Based on the hardware structure of the engine control device but not limited to the above hardware structure, the present application provides a first embodiment of an engine control method. Figure 2 , Figure 2 A flow chart of a first embodiment of an engine control method of the application is shown.

[0051] It should be noted that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in an order different from that shown here.

[0052] S100: Acquire current status information of the vehicle;

[0053] It should be noted that this embodiment is applied to a series hybrid electric vehicle, which operates in an engine drive and battery charging mode. The series power is composed of a three-part powertrain consisting of an engine, a generator and a battery pack. The engine can always work in a single working condition with high efficiency and low emissions, and drive the generator to generate electricity. Under the regulation of the motor controller, the electric energy generated by the generator is mainly used for the motor, and then drives the vehicle to travel through a mechanical transmission device. When the electric energy generated by the generator is redundant, the battery pack can be charged at the same time. When driving at low load, the series hybrid electric vehicle can adopt a pure electric drive mode or a pure engine drive mode. The pure electric drive mode is mainly used in urban road environments with high emission requirements. When driving at high load (such as overtaking or climbing a hill with full load), the series hybrid electric vehicle adopts a hybrid drive mode.

[0054] The executor of this embodiment is a control system arranged in the vehicle host of the hybrid vehicle, which is used to control the operation of various functional modules of the vehicle. In this embodiment, the vehicle control system is used to obtain the vehicle status information and control the fuel tank to stop supplying fuel to the engine based on the judgment result of whether the current information meets the preset conditions.

[0055] The current status information is the real-time status information of the vehicle during operation, which may be information such as vehicle speed and battery pack power.

[0056] S200: Determine whether the current status information meets the preset conditions;

[0057] The preset condition is pre-set in the vehicle control system and corresponds one-to-one to the current state information. For example, since the current state information can also be a numerical value, the preset condition can be that the current state information must be greater than a preset numerical value.

[0058] For example, the vehicle control system uses the current state information that the battery pack power is 70%, and the preset condition that the battery pack power must be greater than 60%, which means that the current state information meets the preset condition.

[0059] S300: If the conditions are met, control the vehicle fuel tank to stop supplying fuel to the engine;

[0060] If the preset conditions in the previous step are met, the vehicle control system controls the vehicle fuel tank to stop spraying fuel to the engine, causing the engine to shut down. At this time, the vehicle uses pure electric operation and the vehicle battery is in a discharged state.

[0061] In a specific embodiment, after step S200, the method further includes:

[0062] Step 303: If not satisfied, control the vehicle fuel tank to supply fuel to the engine;

[0063] When the vehicle control system determines that the current state information does not meet the preset conditions, if the current fuel tank is in the fuel supply state, it will continue to supply fuel; if it is in the stop fuel supply state, it will control the fuel tank to supply fuel to the engine. At this time, the vehicle uses the electric motor and the engine to run together, the generator drives the generator to power the battery pack, and the vehicle battery pack is in a charging state.

[0064] This embodiment obtains the current state information of the vehicle and further determines whether the current state of the vehicle meets the preset state conditions. If the preset state conditions are met, the vehicle fuel tank is controlled to stop supplying fuel to the engine, thereby achieving the technical effect of optimizing the comprehensive fuel consumption of the hybrid vehicle.

[0065] Since this embodiment determines whether to supply fuel to the engine by judging whether the current status information of the vehicle satisfies the conditions for stopping fuel supply, when the preset conditions are met, the fuel tank is controlled to stop supplying fuel, the generator operates and the engine stops; when the preset conditions are not met, the fuel tank is controlled to supply fuel to the engine, the engine and the generator operate simultaneously, and the engine charges the battery pack. This ensures the drivability of the vehicle while protecting the vehicle battery pack, and solves the problem of excessive fuel consumption in existing hybrid vehicles when the vehicle cannot be shut down.

[0066] Reference Figure 3 The second embodiment of the engine control method of the present application is based on the above Figure 2 The embodiment shown is a second embodiment of the present application.

[0067] In this embodiment, step S100 includes:

[0068] S101: Acquire current status information of the vehicle; wherein the current status information includes real-time remaining power information of a battery pack of the hybrid vehicle;

[0069] The real-time remaining power information of the battery pack is the real-time power information of the battery pack installed in the vehicle host. The battery pack is the power source of the generator. When the battery pack is insufficient, the generator cannot work properly. The engine needs to be operated to charge the battery pack to ensure the normal operation of the vehicle.

[0070] In this embodiment, step S200 includes:

[0071] S201: Determine whether the current status information satisfies the real-time remaining power information of the battery pack is greater than a first preset value;

[0072] The first preset value is a value set in the vehicle computer for limiting excessive power consumption of the vehicle.

[0073] This step determines whether the current status information satisfies that the remaining power of the vehicle's battery pack is greater than a preset value. The purpose is that when the vehicle uses the battery as a power source to operate, the battery pack discharges and consumes electrical energy. When the battery pack power drops to a certain value, the vehicle continues to consume power and cause damage to the vehicle's battery pack. Therefore, in order to protect the battery pack, the real-time power of the battery pack needs to be limited.

[0074] This embodiment obtains the real-time remaining power information of the vehicle battery pack to determine whether the current battery power of the vehicle is greater than a first preset value. If it is greater than the preset value, fuel supply to the engine is prohibited. If it is less than the preset value, the fuel tank is controlled to supply fuel to the engine, thereby ensuring the normal operation of the vehicle while protecting the vehicle battery pack from damage.

[0075] Reference Figure 4 The third embodiment of the engine control method of the present application is based on the above Figure 2 The embodiment shown is the third embodiment of the present application.

[0076] In this embodiment, step S100 includes:

[0077] S102: Acquire current status information of the vehicle; wherein the current status information includes real-time remaining power information and driving power information of the battery pack of the hybrid vehicle;

[0078] The real-time remaining power information of the battery pack is the real-time power information of the battery pack installed in the vehicle host. The battery pack is the power source of the generator. When the battery pack is insufficient, the generator cannot work properly. The engine needs to be operated to charge the battery pack to ensure the normal operation of the vehicle.

[0079] The driving power information is the net power output by the car engine when the car is running, which is transmitted to the driving wheels through the transmission system to overcome the driving resistance, drive the driving wheels to rotate, and drive the car to drive. It can be measured by a chassis dynamometer.

[0080] In this embodiment, step S200 includes:

[0081] S202: Determine whether the current state information satisfies the real-time remaining power information of the battery pack is greater than a first preset value, and whether the driving power information is less than a second preset value and the engine efficiency information;

[0082] The first preset value is a value set in the vehicle computer for limiting excessive power consumption of the vehicle.

[0083] The second preset value is set in the vehicle computer and is used to limit the value of the vehicle driving power to be too low.

[0084] This step monitors the battery power of the vehicle in real time by determining whether the real-time remaining power information of the battery pack is greater than the first preset value, protects the battery pack from damage, and determines whether the driving power is less than the second preset value. The purpose is to ensure that the engine is running in an efficient state. When it is detected that the driving power is less than the preset value, it means that the engine operating condition deviates from the efficient condition.

[0085] This embodiment determines whether the vehicle's current status information satisfies the conditions that the real-time remaining power information of the battery pack is greater than a first preset value, and the driving power information is less than a second preset value and the engine efficiency information. If so, the fuel supply to the engine is stopped; if not, the fuel tank is controlled to supply fuel to the engine, thereby protecting the battery pack while ensuring that the engine operates in an efficient state.

[0086] Further, as an example, refer to Figure 5 The fourth embodiment of the engine control method of the present application is based on the above Figure 2 The embodiment shown is the fourth embodiment of the present application.

[0087] In this embodiment, step S100 includes:

[0088] S103: Acquire current status information of the vehicle; wherein the current status information includes real-time remaining power information of the battery pack of the hybrid vehicle, driving power information, and engine efficiency information;

[0089] The real-time remaining power information of the battery pack is the real-time power information of the battery pack installed in the vehicle host. The battery pack is the power source of the generator. When the battery pack is insufficient, the generator cannot work properly. The engine needs to be operated to charge the battery pack to ensure the normal operation of the vehicle.

[0090] The driving power information is the net power output by the car engine when the car is running, which is transmitted to the driving wheels through the transmission system to overcome the driving resistance, drive the driving wheels to rotate, and drive the car to drive. It can be measured by a chassis dynamometer.

[0091] Engine efficiency information is that when the engine is working, only a part of the heat energy contained in the fuel is converted into propulsion work, and the rest is lost in the form of heat energy or kinetic energy. The ratio of effective work to total work is the engine efficiency. Among them, the engine efficiency can be calculated from the engine power and instantaneous fuel consumption rate.

[0092] In this embodiment, step S200 includes:

[0093] S203: Determine whether the current state information satisfies that the real-time remaining power information of the battery pack is greater than a first preset value, the driving power information is less than a second preset value, and the engine efficiency information is less than a third preset value;

[0094] The first preset value is a value set in the vehicle computer for limiting excessive power consumption of the vehicle.

[0095] The second preset value is set in the vehicle computer and is used to limit the value of the vehicle driving power to be too low.

[0096] The third preset value is set in the vehicle computer and is used to limit the value of the vehicle engine efficiency to be too low.

[0097] It can be understood that the preset conditions of this step correspond one-to-one to the current status information in step S101. This step determines whether the real-time remaining power information of the vehicle's current battery pack is greater than the first preset value, whether the vehicle's current driving power information is less than the second preset value, and the vehicle's current engine efficiency information is less than the third preset value. For example, the first preset value is 60%, the second preset value is 15kw, and the third preset value is 50%. The current status information of the vehicle obtained is that the real-time remaining power of the battery pack is 70%, the driving power is 10kw, and the engine efficiency is 40%. The preset conditions are that the real-time remaining power of the battery pack is less than 60%, the driving power is less than 15kw, and the engine efficiency is less than 50%. It is determined whether the current status information of the vehicle meets the preset conditions, and it can be obtained that the current status information of the vehicle meets the preset conditions.

[0098] This step aims to protect the vehicle battery pack from damage by judging whether the current status information satisfies the real-time remaining power information of the battery pack is greater than the first preset value, and judges whether the driving power information is less than the second preset value and the engine efficiency information is less than the third preset value, in order to ensure that the vehicle engine is running in an efficient state.

[0099] In this embodiment, after step S300, the method further includes the following steps:

[0100] S301: Detecting vehicle status information after fuel supply is stopped;

[0101] S302: updating current status information according to the status information after the oil supply is stopped;

[0102] The status information of the vehicle after the fuel supply is stopped is consistent with the content obtained by the current status information, including the real-time remaining power information of the battery pack, driving power information and engine efficiency information.

[0103] It should be noted that, after obtaining the status information of the vehicle after stopping the fuel supply, the status information of the vehicle after stopping the fuel supply is used as the basis for updating the current status information, and the current status information is updated. After the current status information is updated, it is continued to be judged whether the current status information meets the preset conditions, that is, returning to step S201 to determine whether the vehicle status after stopping the fuel supply still meets the conditions for stopping the fuel supply. If not, the control system controls the fuel tank to supply fuel to the engine; if so, the fuel supply stop state is maintained.

[0104] It is understandable that after the vehicle control system controls the vehicle tank to stop supplying fuel to the engine, the vehicle engine stops, the vehicle is driven by the electric motor, and the battery pack is in a discharging state. However, when the battery pack is low on power, the battery needs to be protected, that is, the battery pack needs to be charged, or when the status information after the vehicle stops supplying fuel does not meet the preset conditions, the vehicle cannot operate normally, and it is necessary to re-control the fuel tank to supply power to the generator. This step obtains the status information of the vehicle after stopping supplying fuel, and uses the status information of the vehicle after stopping supplying fuel as the basis for updating the current status information of the vehicle, and then judges whether the updated current status information meets the preset conditions, thereby avoiding the problem that the vehicle that stops supplying fuel cannot operate normally due to not meeting the preset conditions.

[0105] This embodiment obtains the real-time remaining power information, driving power information and engine efficiency information of the vehicle's battery pack to determine whether the above current status information satisfies the conditions that the real-time remaining power information of the battery pack is greater than a first preset value, the driving power information is less than a second preset value and the engine efficiency information is less than a third preset value. If satisfied, the vehicle's fuel tank is controlled to stop supplying fuel to the engine. After stopping the fuel supply, the vehicle's status information is further detected, and the current status information is updated based on the status information, and then the process returns to the step of determining whether the current status information meets the preset conditions, and the status information is judged again. This avoids the problem that the vehicle cannot operate normally due to the engine continuing to be shut down and the motor continuing to operate due to failure to meet the preset conditions for the vehicle that stops supplying fuel, thereby ensuring that the engine is operating in an efficient state while protecting the battery pack.

[0106] This application proposes an embodiment, referring to Figure 6 The fifth embodiment of the engine control method of the present application is based on the above Figure 2 The embodiment shown is the fifth embodiment of the present application.

[0107] In this embodiment, after step S300, the method further includes the following steps:

[0108] S401: Obtaining the duration of controlling the vehicle fuel tank to stop supplying fuel to the engine;

[0109] The duration of controlling the vehicle fuel tank to stop supplying fuel to the engine is the time from the time point when the vehicle fuel tank stops supplying fuel to the current time point.

[0110] S402: Determine whether the duration is less than a preset time;

[0111] S403: If it is not less than, controlling the vehicle fuel tank to supply fuel to the engine;

[0112] It is understandable that a preset time value is set, and when the duration of the fuel supply suspension is greater than or equal to this time value, the control system controls the fuel tank to resume fuel supply to the engine; if it is less than this time value, the fuel supply suspension state is maintained.

[0113] This embodiment limits the time of stopping fuel supply by setting a preset time for stopping fuel supply. If the duration of stopping fuel supply is less than the preset time, the fuel supply will continue to be stopped. If it is greater than or equal to the preset time, the vehicle tank will be controlled to resume fuel supply, thereby avoiding the problem of long-term operation of the electric motor causing damage to the engine hardware.

[0114] See also Figure 7 , Figure 7 A schematic diagram of the structure of an engine control device provided in this application, the device specifically comprises:

[0115] A status acquisition module is used to obtain the current status information of the vehicle;

[0116] An information judgment module is used to judge whether the current status information meets the preset conditions;

[0117] The fuel supply stop module is used to control the vehicle fuel tank to stop supplying fuel to the engine if the conditions are met.

[0118] The technical solution of this embodiment obtains the current state information of the vehicle to further determine whether the current state of the vehicle meets the preset state conditions. If the preset state conditions are met, the vehicle fuel tank is controlled to stop supplying fuel to the engine, thereby ensuring the drivability of the vehicle while protecting the vehicle battery pack, thereby achieving the technical effect of optimizing the comprehensive fuel consumption of hybrid vehicles.

[0119] In addition, an embodiment of the present application further proposes a computer storage medium, on which an engine control program is stored, and when the engine control program is executed by a processor, the steps of the engine control method as described above are implemented. Therefore, it will not be described in detail here. In addition, the description of the beneficial effects of adopting the same method will not be described in detail. For technical details not disclosed in the computer-readable storage medium embodiment involved in the present application, please refer to the description of the method embodiment of the present application. As an example, program instructions can be deployed to be executed on one computing device, or on multiple computing devices located at one location, or on multiple computing devices distributed at multiple locations and interconnected by a communication network.

[0120] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program, and the above-mentioned program can be stored in a computer-readable storage medium, and when the program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, the above-mentioned storage medium can be a disk, an optical disk, a read-only memory (ROM) or a random access memory (RAM), etc.

[0121] It should also be noted that the device embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. In addition, in the accompanying drawings of the device embodiments provided by the present application, the connection relationship between the modules indicates that there is a communication connection between them, which may be specifically implemented as one or more communication buses or signal lines. A person of ordinary skill in the art may understand and implement it without paying any creative effort.

[0122] Through the description of the above implementation mode, the technicians in the field can clearly understand that the present application can be implemented by means of software plus necessary general hardware, and of course, it can also be implemented by special hardware including special integrated circuits, special CPUs, special memories, special components, etc. In general, all functions completed by computer programs can be easily implemented by corresponding hardware, and the specific hardware structure used to implement the same function can also be various, such as analog circuits, digital circuits or special circuits. However, for the present application, software program implementation is a better implementation mode in more cases. Based on such an understanding, the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a readable storage medium, such as a computer floppy disk, a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a disk or an optical disk, etc., including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the method of each embodiment of the present application.

[0123] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An engine control method, characterized in that: Applied to a hybrid vehicle, wherein the hybrid vehicle is a series hybrid vehicle, the method comprises: Get the current status information of the vehicle; Determining whether the current status information meets a preset condition; If the conditions are met, the vehicle fuel tank is controlled to stop supplying fuel to the engine; The current state information includes real-time remaining power information, driving power information, and engine efficiency information of the battery pack of the hybrid electric vehicle; The determining whether the current status information satisfies a preset condition includes: Determine whether the current status information satisfies that the real-time remaining power information of the battery pack is greater than a first preset value, the driving power information is less than a second preset value, and the engine efficiency information is less than a third preset value; wherein the first preset value is a value used to limit excessive power consumption of the vehicle, the second preset value is a value used to limit too low driving power of the vehicle, and the third preset value is a value used to limit too low engine efficiency of the vehicle.

2. The engine control method according to claim 1, characterized in that: After determining whether the current status information meets a preset condition, the method further includes: If not, the vehicle fuel tank is controlled to supply fuel to the engine.

3. The engine control method according to claim 1, characterized in that: If the above condition is satisfied, after controlling the vehicle fuel tank to stop supplying fuel to the engine, the method further includes: Monitoring the status information of the vehicle after the fuel supply is stopped; According to the state information after the oil supply is stopped, the current state information is updated, and the process returns to execute the determination of whether the current state information meets a preset condition.

4. The engine control method according to claim 1, characterized in that: After controlling the vehicle fuel tank to stop supplying fuel to the engine if the condition is satisfied, the method further includes: Obtaining the duration of controlling the vehicle fuel tank to stop supplying fuel to the engine; Determine whether the duration is less than a preset time; If it is not less than, controlling the vehicle fuel tank to supply fuel to the vehicle engine.

5. An engine control device, characterized in that: Applied to a hybrid vehicle, wherein the hybrid vehicle is a series hybrid vehicle, the device comprises: A status acquisition module is used to obtain the current status information of the vehicle; An information determination module, used to determine whether the current status information meets a preset condition; A fuel supply stop module is used to control the vehicle fuel tank to stop supplying fuel to the engine if the conditions are met; The current state information includes real-time remaining power information, driving power information, and engine efficiency information of the battery pack of the hybrid electric vehicle; The information judgment module is specifically used to judge whether the current status information satisfies the real-time remaining power information of the battery pack is greater than a first preset value, whether the driving power information is less than a second preset value, and the engine efficiency information is less than a third preset value; wherein the first preset value is a value used to limit excessive power consumption of the vehicle, the second preset value is a value used to limit excessively low driving power of the vehicle, and the third preset value is a value used to limit excessively low engine efficiency of the vehicle.

6. An engine control device, characterized in that: include: A processor, a memory and an engine control program stored in the memory, wherein the engine control program implements the steps of the engine control method according to any one of claims 1 to 4 when executed by the processor.

7. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores an engine control program, and when the engine control program is executed by a processor, the engine control method according to any one of claims 1 to 4 is implemented.

Images