Range extender power generation control method, device and electronic equipment

Abstract

Embodiments of the present invention relate to the field of vehicle control, and more particularly to a method for controlling power generation of a range extender. First, a first vehicle mode is determined, and then a first SOC level table associated with the first vehicle mode is determined, wherein the first SOC level table defines a plurality of SOC intervals; the instantaneous SOC value of the vehicle battery is acquired in real time, and the power generation mode of the range extender is determined according to the SOC interval corresponding to the instantaneous SOC value, and the range extender is driven to generate electricity according to the determined power generation mode. By dividing the SOC intervals, the power generation mode of the range extender is determined according to the SOC interval corresponding to the instantaneous SOC value of the vehicle battery, thereby improving the operating efficiency of the range extender while meeting the vehicle power requirements and ensuring sufficient battery power.

Description

Technical Field

[0001] The present invention relates to the field of vehicle control, and in particular to a range extender power generation control method, device and electronic equipment. Background Art

[0002] In recent years, as the awareness of energy conservation and emission reduction continues to increase, my country has vigorously supported the development of new energy vehicles. Among them, extended-range electric vehicles can be powered by the range extender after starting the range extender. At the same time, the range extender can charge the vehicle battery to extend the battery life of the electric vehicle, which is widely favored by consumers.

[0003] In the existing extended-range electric vehicles, the range extender power generation mode generally adopts a fixed-point power generation mode or a power-following power generation mode. The former has high power generation efficiency, but cannot meet the needs of intense driving and there is a risk of power battery exhaustion; the latter can effectively maintain the battery power, but the power generation efficiency is low. Summary of the invention

[0004] The embodiments of the present invention provide a range extender power generation control method, device and electronic device, which divide the SOC intervals and determine the power generation mode of the range extender according to the SOC intervals corresponding to the instantaneous SOC value of the vehicle battery, thereby improving the operating efficiency of the range extender while meeting the vehicle power demand and ensuring sufficient battery power.

[0005] In a first aspect, an embodiment of the present invention provides a range extender power generation control method, the method being applied to a vehicle controller, comprising:

[0006] determining a first vehicle mode, the first vehicle mode comprising a vehicle energy consumption mode and a range extender power generation tendency mode, wherein different combinations of vehicle energy consumption modes and range extender power generation tendency modes correspond to different vehicle modes;

[0007] Determine a first SOC level table associated with the first vehicle mode, the first SOC level table defines a plurality of SOC intervals, the plurality of SOC intervals respectively corresponding to different SOC value ranges;

[0008] Obtain the instantaneous SOC value of the vehicle battery in real time;

[0009] The range extender power generation mode is determined according to the SOC interval corresponding to the instantaneous SOC value, and the range extender is driven to generate power according to the determined power generation mode.

[0010] In one possible implementation, the vehicle energy consumption mode includes: a power consumption priority mode, a fuel consumption priority mode and an automatic mode; the range extender power generation tendency mode includes: an economic efficiency priority mode and a power demand priority mode.

[0011] In one possible implementation, the first SOC level table defines a plurality of SOC intervals, and the plurality of SOC intervals correspond to different SOC value ranges, including:

[0012] The multiple SOC intervals include a safety interval and N SOC protection intervals, and a minimum SOC value of the safety interval is greater than a maximum SOC value of the N SOC protection intervals.

[0013] In one possible implementation, determining the range extender power generation mode according to the SOC interval corresponding to the instantaneous SOC value includes:

[0014] When the instantaneous SOC value corresponds to the SOC protection interval, the range extender power generation mode is respectively a fixed-point power generation mode, a vehicle speed-based power generation mode and a power-following power generation mode according to the SOC values ​​in different SOC protection zones from large to small, and each SOC protection interval corresponds to one power generation mode;

[0015] When the instantaneous SOC value corresponds to the safety interval, the range extender power generation mode is a fixed-point power generation mode;

[0016] In one possible implementation, determining the range extender power generation mode according to the SOC interval corresponding to the instantaneous SOC value further includes:

[0017] Calculating a first weight coefficient of a fixed-point power generation mode, a second weight coefficient of a vehicle speed-based power generation mode, and a third weight coefficient of a power-following power generation mode according to the instantaneous SOC value;

[0018] The power generation mode is based on the above power generation methods and corresponding weight coefficients, and uses the above power generation methods to jointly generate electricity.

[0019] In one possible implementation, the method further includes:

[0020] Set the startup SOC value and shutdown SOC value;

[0021] When the instantaneous SOC value detected in real time is less than the starting SOC value, the range extender is driven to generate electricity according to the power generation mode;

[0022] During the power generation process of the range extender, if the instantaneous SOC value detected in real time is greater than the shutdown SOC value, the range extender is controlled to stop power generation.

[0023] In a second aspect, an embodiment of the present invention provides a range extender power generation control device, the device being applied to a vehicle controller, comprising:

[0024] A first determination module is used to determine a first vehicle mode, wherein the first vehicle mode includes a vehicle energy consumption mode and a range extender power generation tendency mode, wherein different combinations of vehicle energy consumption modes and range extender power generation tendency modes correspond to different vehicle modes;

[0025] A second determination module is used to determine a first SOC level table associated with the first vehicle mode, wherein the first SOC level table defines a plurality of SOC intervals, and the plurality of SOC intervals correspond to different SOC value ranges respectively;

[0026] An acquisition module is used to obtain the instantaneous SOC value of the vehicle battery in real time;

[0027] The driving module is used to determine the power generation mode of the range extender according to the SOC interval corresponding to the instantaneous SOC value, and drive the range extender to generate electricity according to the determined power generation mode.

[0028] In a third aspect, an embodiment of the present invention provides an electronic device, including:

[0029] at least one processor; and

[0030] at least one memory in communication with the processor, wherein:

[0031] The memory stores program instructions that can be executed by the processor, and the processor calls the program instructions to execute the method provided by the first aspect.

[0032] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions enable the computer to execute the method provided in the first aspect.

[0033] It should be understood that the second to fourth aspects of this specification are consistent with the technical solutions of the first aspect of this specification, and the beneficial effects achieved by each aspect and the corresponding feasible implementation methods are similar and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 A flow chart of a range extender power generation control method provided by an embodiment of the present invention;

[0036] Figure 2A flow chart of another range extender power generation control method provided by an embodiment of the present invention;

[0037] Figure 3 A schematic structural diagram of a range extender power generation control device provided by an embodiment of the present invention;

[0038] Figure 4 A schematic diagram of the structure of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0039] In order to better understand the technical solution of this specification, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0040] It should be clear that the described embodiments are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this specification.

[0041] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit this specification. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0042] Figure 1 The present invention provides a flow chart of a range extender power generation control method. The method can be used in a vehicle controller, such as Figure 1 As shown, this may include:

[0043] Step 101 : determining a first vehicle mode, wherein the first vehicle mode includes a vehicle energy consumption mode and a range extender power generation tendency mode, wherein different combinations of vehicle energy consumption modes and range extender power generation tendency modes correspond to different vehicle modes.

[0044] In one implementation, the vehicle energy consumption mode includes: a priority power consumption mode, a priority oil consumption mode, and an automatic mode. Among them, there are two main sources of power for extended-range electric vehicles, one is to provide power for the vehicle battery, and the other is to provide power for the range extender. The range extender includes a generator and an electric motor. The generator converts chemical energy into electrical energy. The converted electrical energy can charge the vehicle battery, or it can be converted into kinetic energy through the electric motor to power the extended-range electric vehicle. The priority power consumption mode means that the vehicle controller will tend to use the vehicle battery to power the extended-range electric vehicle first, while the priority oil consumption mode means that the vehicle controller will tend to use the extended-range battery to consume chemical energy to power the extended-range electric vehicle first. Chemical energy can be the energy released after the combustion of fuels such as gasoline. The specific fuel is determined according to the model of the extended-range electric vehicle. The automatic mode is that the vehicle controller automatically determines the power source according to the environment in which the extended-range electric vehicle is located.

[0045] In one implementation, the range extender power generation preference mode includes: economic efficiency priority mode and power demand priority mode. In the economic efficiency priority mode, the range extender will first consider economic efficiency when generating electricity to ensure that energy is not wasted. In the power demand priority mode, the range extender will first consider power supply when generating electricity to ensure that the vehicle has sufficient power.

[0046] The user can select the vehicle mode independently, which is a combination of the vehicle energy consumption mode and the range extender power generation tendency mode. For example, the user can select the power consumption priority mode and the economic efficiency priority mode, or the fuel consumption priority mode and the power demand priority mode. The vehicle controller determines the vehicle mode based on the user's selection information.

[0047] Step 102: determine a first SOC level table associated with the first vehicle mode, wherein the first SOC level table defines a plurality of SOC intervals, and the plurality of SOC intervals correspond to different SOC value ranges, respectively.

[0048] In the embodiment of the present invention, the SOC of the vehicle battery reflects the remaining capacity of the vehicle battery, which is the ratio of the remaining capacity of the vehicle battery to the total capacity of the vehicle battery, usually expressed as a percentage. Its value range is 0-100%. When SOC=0, it means that the vehicle battery is fully discharged, and when SOC=100%, it means that the vehicle battery is fully charged. The first SOC level table logically divides the SOC of the vehicle battery into multiple SOC intervals, each of which contains a continuous SOC value, for example, (10%, 15%) or (20%, 25%).

[0049] In one implementation, the multiple SOC intervals defined by the first SOC level table include a safety interval and N SOC protection intervals, and the minimum SOC value of the safety interval is greater than the maximum SOC value of the N SOC protection intervals.

[0050] Specifically, the first SOC level table may include N SOC protection values, such as a first SOC protection value, a second SOC protection value, ..., an Nth SOC protection value, wherein the first SOC protection value to the Nth SOC protection value are arranged in descending order according to the numerical value. A value greater than the first SOC protection value and less than 100% is a safety interval, a value less than the first SOC protection value and greater than the second SOC protection value is a first SOC protection interval, and so on, a value less than the Nth SOC protection value and greater than 0 is an Nth SOC protection interval. For example, when the first SOC protection value is 30% and the second SOC protection value is 20%, the safety interval is (30%, 100%), and the first protection interval is (20%, 30%).

[0051] Step 103, obtaining the instantaneous SOC value of the vehicle battery in real time.

[0052] Specifically, the vehicle controller can obtain the instantaneous SOC value of the vehicle battery in real time, and the instantaneous SOC value reflects the remaining capacity of the vehicle battery at the current moment.

[0053] Step 104 , determining a power generation mode of the range extender according to the SOC interval corresponding to the instantaneous SOC value, and driving the range extender to generate electricity according to the determined power generation mode.

[0054] In one implementation, when the instantaneous SOC value corresponds to the SOC protection interval, the range extender power generation mode is a fixed-point power generation mode, a vehicle speed-based power generation mode, and a power following power generation mode according to the SOC values ​​in different SOC protection zones from large to small, and each SOC protection interval corresponds to a power generation mode; when the instantaneous SOC value corresponds to the safety interval, the range extender power generation mode is a fixed-point power generation mode.

[0055] In one implementation, the vehicle controller calculates the first weight coefficient of the fixed-point power generation mode, the second weight coefficient of the vehicle speed-based power generation mode, and the third weight coefficient of the power following power generation mode according to the instantaneous SOC value; the power generation mode is based on the above-mentioned power generation modes and the corresponding weight coefficients, and the above-mentioned power generation modes are used simultaneously to generate electricity.

[0056] In the embodiment of the present invention, the vehicle controller may select a single power generation mode or a comprehensive power generation mode. When a single power generation mode is selected, the vehicle controller determines the SOC interval corresponding to the instantaneous SOC value according to the instantaneous SOC value of the vehicle battery, and then determines the corresponding power generation mode according to the SOC interval. For example, the safety interval and the first SOC protection interval correspond to the fixed-point power generation mode, the second SOC protection interval corresponds to the vehicle speed-based power generation mode, and the third SOC protection interval to the Nth SOC protection interval correspond to the power following power generation mode.

[0057] When the comprehensive power generation mode is selected, the vehicle controller will calculate the weight coefficient corresponding to each power generation mode according to the instantaneous SOC value of the vehicle battery, and based on the above power generation modes and the corresponding weight coefficients, the above power generation modes will be used to generate electricity together. When the instantaneous SOC value of the vehicle battery changes, the weight coefficient corresponding to each power generation mode will also change.

[0058] In the embodiment of the present invention, the first vehicle mode is first determined, and then the first SOC level table associated with the first vehicle mode is determined. The first SOC level table defines multiple SOC intervals, and the multiple SOC intervals correspond to different SOC value ranges; the instantaneous SOC value of the vehicle battery is obtained in real time, and the range extender power generation mode is determined according to the SOC interval corresponding to the instantaneous SOC value, and the range extender is driven to generate electricity according to the determined power generation mode. By dividing the SOC intervals, the power generation mode of the range extender is determined according to the SOC interval corresponding to the instantaneous SOC value of the vehicle battery, which improves the operating efficiency of the range extender while meeting the vehicle power demand and ensuring sufficient battery power.

[0059] Figure 2 A flow chart of another range extender power generation control method provided by an embodiment of the present invention. Figure 2 As shown, this may include:

[0060] Step 201, obtaining the instantaneous SOC value of the vehicle battery in real time.

[0061] Step 202, determining whether the instantaneous SOC value is less than the start-up SOC value.

[0062] The start SOC value is usually set near the first SOC protection value, and the specific value is not limited. If the judgment result is no, return to step 201; if the judgment result is yes, enter step 203.

[0063] Step 203, determining the power generation mode of the range extender.

[0064] Step 204 , driving the range extender to generate electricity according to the corresponding power generation mode.

[0065] The starting SOC value of the vehicle battery is the limit value for the vehicle controller to drive the range extender to generate electricity. When the instantaneous SOC value of the vehicle battery is less than the starting SOC value, the vehicle controller drives the range extender to generate electricity.

[0066] Step 205, obtaining the instantaneous SOC value of the vehicle battery in real time.

[0067] Step 206, determining whether the instantaneous SOC value is greater than the shutdown SOC value.

[0068] The shutdown SOC value needs to be greater than the startup SOC value. Under this condition, the specific value is not limited. If the judgment result is yes, go to step 208; if the judgment result is no, go to step 207.

[0069] Step 207, determining whether the SOC interval corresponding to the instantaneous SOC value changes.

[0070] The instantaneous SOC value is a dynamic value and may change at any time. If the judgment result is yes, return to step 203; if the judgment result is no, enter step 204.

[0071] Step 208, controlling the range extender to stop generating electricity.

[0072] The shutdown SOC value of the vehicle battery is the limit value at which the vehicle controller controls the range extender to stop generating electricity. When the instantaneous SOC value of the vehicle battery is greater than the shutdown SOC value, the vehicle controller controls the range extender to stop generating electricity.

[0073] For example, the user selects the second vehicle mode, and the second SOC level table associated with the second vehicle mode includes three SOC protection values, the first SOC protection value is 30%, the second SOC protection value is 20%, and the third SOC protection value is 30%, the startup SOC value is 27%, the shutdown SOC value is 32%, the safety interval is (30%, 100%), the first SOC protection interval is (20%, 30%), the second SOC protection interval is (10%, 20%), and the third SOC protection interval is (0, 10%), where the safety interval and the first SOC protection interval correspond to the fixed-point power generation mode, the second SOC protection interval corresponds to the vehicle speed-based power generation mode, and the third SOC protection interval corresponds to the power following power generation mode.

[0074] The vehicle controller obtains the instantaneous SOC value of the vehicle battery. When the instantaneous SOC value is less than 27%, the corresponding SOC interval is determined to be the first SOC protection interval, and the corresponding power generation method is determined to be fixed-point power generation. The vehicle controller drives the range extender to generate electricity in a fixed-point power generation method. After using the fixed-point power generation method to generate electricity, the instantaneous SOC value may continue to decrease. When the instantaneous SOC value is less than 20%, the vehicle controller re-determines the corresponding SOC interval as the second SOC protection interval, and determines the corresponding power generation method as power generation based on vehicle speed. The vehicle controller drives the range extender to generate electricity in a power generation method based on vehicle speed. If the instantaneous SOC value continues to decrease, when the instantaneous SOC value is less than 10%, the vehicle controller re-determines the corresponding SOC interval as the third SOC protection interval, and determines the corresponding power generation method as power follow-up power generation. The vehicle controller drives the range extender to generate electricity in a power follow-up power generation method. If the instantaneous SOC value increases, when the instantaneous SOC value is greater than 10%, the vehicle controller re-adopts the power generation method based on vehicle speed to drive the range extender to generate electricity. If the instantaneous SOC value continues to increase, when the instantaneous SOC value exceeds 30%, the corresponding SOC interval is a safe interval, and the vehicle controller still uses fixed-point power generation. When the instantaneous SOC value exceeds 32%, the vehicle controller controls the range extender to stop working. Among them, the change of the instantaneous SOC value is determined by the power generation power of the range extender and the power consumption of the extended-range electric vehicle. When the power generation power of the range extender is greater than the power consumption of the extended-range electric vehicle, the instantaneous SOC value increases; when the power generation power of the range extender is less than the power consumption of the extended-range electric vehicle or the range extender stops working, the instantaneous SOC value decreases.

[0075] Figure 3 The schematic diagram of the structure of a range extender power generation control device provided in an embodiment of the present invention. The range extender power generation control device in the embodiment of the present invention can be used as a range extender power generation control device to implement the range extender power generation control method provided in an embodiment of the present invention. Figure 2 As shown, the above-mentioned range extender power generation control device may include: a first determination module 31 , a second determination module 32 , an acquisition module 33 and a driving module 34 .

[0076] A first determination module 31 is used to determine a first vehicle mode, wherein the first vehicle mode includes a vehicle energy consumption mode and a range extender power generation tendency mode, wherein different combinations of vehicle energy consumption modes and range extender power generation tendency modes correspond to different vehicle modes;

[0077] A second determination module 32 is used to determine a first SOC level table associated with the first vehicle mode, wherein the first SOC level table defines a plurality of SOC intervals, and the plurality of SOC intervals correspond to different SOC value ranges respectively;

[0078] An acquisition module 33 is used to acquire the instantaneous SOC value of the vehicle battery in real time;

[0079] The driving module 34 is used to determine a power generation mode of the range extender according to the SOC interval corresponding to the instantaneous SOC value, and drive the range extender to generate electricity according to the determined power generation mode.

[0080] Figure 3 The range extender power generation control device provided in the embodiment shown can be used to implement the present invention Figure 1 or Figure 2 The technical solution of the method embodiment shown, its implementation principle and technical effects can be further referred to the relevant description in the method embodiment.

[0081] Figure 4 A block diagram of an exemplary electronic device suitable for implementing embodiments of the present invention is shown. Figure 4 The electronic device 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.

[0082] like Figure 4 As shown, the electronic device is in the form of a general-purpose computing device. The components of the electronic device may include, but are not limited to: one or more processors 410, memory 430, and a communication bus 440 connecting different system components (including memory 430 and processing unit 410).

[0083] The communication bus 440 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor or a local bus using any of a variety of bus structures. For example, these architectures include but are not limited to Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MAC) bus, Enhanced ISA bus, Video Electronics Standards Association (VESA) local bus and Peripheral Component Interconnection (PCI) bus.

[0084] Electronic devices typically include a variety of computer system readable media. These media can be any available media that can be accessed by the electronic device, including volatile and non-volatile media, removable and non-removable media.

[0085] The memory 430 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) and / or cache memory. The electronic device may further include other removable / non-removable, volatile / non-volatile computer system storage media. Figure 4 Not shown in the figure, a disk drive for reading and writing a removable non-volatile disk (e.g., a "floppy disk"), and an optical disk drive for reading and writing a removable non-volatile optical disk (e.g., a compact disc read only memory (CD-ROM), a digital versatile disc read only memory (DVD-ROM), or other optical media) may be provided. In these cases, each drive may be connected to the communication bus 440 via one or more data medium interfaces. The memory 430 may include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of the embodiments of the present invention.

[0086] A program / utility having a set (at least one) of program modules may be stored in memory 430, such program modules 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 an implementation of a network environment. The program modules generally perform the functions and / or methods of the embodiments described herein.

[0087] The electronic device may also communicate with one or more external devices, one or more devices that enable a user to interact with the electronic device, and / or any device that enables the electronic device to communicate with one or more other computing devices (e.g., a network card, a modem, etc.). Such communication may be performed via the communication interface 420. Furthermore, the electronic device may also communicate with the network adapter ( Figure 4 The network adapter can communicate with one or more networks (such as a local area network (LAN), a wide area network (WAN), and / or a public network, such as the Internet) through the communication bus 440. It should be understood that although Figure 4Not shown, other hardware and / or software modules may be used in conjunction with the electronic device, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, disk arrays (Redundant Arrays of Independent Drives; hereinafter referred to as: RAID) systems, tape drives, and data backup storage systems.

[0088] The processor 410 executes various functional applications and data processing by running the programs stored in the memory 430, such as implementing the range extender power generation control method provided in the embodiment of the present invention.

[0089] An embodiment of the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions enable the computer to execute the range extender power generation control method provided by the embodiment of the present invention.

[0090] The above-mentioned computer-readable storage medium can adopt any combination of one or more computer-readable media. The computer-readable medium can be a computer-readable signal medium or a computer-readable storage medium. The computer-readable storage medium can be, for example, - but not limited to - an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples (non-exhaustive list) of computer-readable storage media include: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ReadOnly Memory; hereinafter referred to as: ROM), an erasable programmable read-only memory (Erasable Programmable ReadOnly Memory; hereinafter referred to as: EPROM) or flash memory, optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In this document, a computer-readable storage medium can be any tangible medium containing or storing a program, which can be used by an instruction execution system, device or device or used in combination with it.

[0091] Computer-readable signal media may include a data signal propagated in baseband or as part of a carrier wave, which carries a computer-readable program code. Such propagated data signals may take a variety of forms, including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the above. Computer-readable signal media may also be any computer-readable medium other than a computer-readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.

[0092] Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

[0093] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. 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 representations of the above terms do 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. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0094] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0095] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code comprising one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of the present invention includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present invention belong.

[0096] In the several embodiments provided by the present invention, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0097] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0098] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A range extender power generation control method, characterized in that: The method is applied to a vehicle controller and comprises: determining a first vehicle mode, the first vehicle mode comprising a vehicle energy consumption mode and a range extender power generation tendency mode, wherein different combinations of vehicle energy consumption modes and range extender power generation tendency modes correspond to different vehicle modes; Determine a first SOC level table associated with the first vehicle mode, wherein the first SOC level table defines a plurality of SOC intervals, wherein the plurality of SOC intervals correspond to different SOC value ranges; wherein the plurality of SOC intervals include a safety interval and N SOC protection intervals, and a minimum SOC value of the safety interval is greater than a maximum SOC value of the N SOC protection intervals; Obtain the instantaneous SOC value of the vehicle battery in real time; Determining a power generation mode of the range extender according to the SOC interval corresponding to the instantaneous SOC value, and driving the range extender to generate electricity according to the determined power generation mode; The vehicle energy consumption mode includes: a power consumption priority mode, a fuel consumption priority mode and an automatic mode; the range extender power generation tendency mode includes: an economic efficiency priority mode and a power demand priority mode; wherein, the range extender power generation mode is determined according to the SOC interval corresponding to the instantaneous SOC value, including: When the instantaneous SOC value corresponds to the SOC protection interval, the range extender power generation mode is respectively a fixed-point power generation mode, a vehicle speed-based power generation mode and a power-following power generation mode according to the SOC values ​​in different SOC protection zones from large to small, and each SOC protection interval corresponds to one power generation mode; When the instantaneous SOC value corresponds to the safety interval, the power generation mode of the range extender is a fixed-point power generation mode.

2. The method according to claim 1, characterized in that Determining a power generation mode of the range extender according to the SOC interval corresponding to the instantaneous SOC value, further comprising: Calculating a first weight coefficient of a fixed-point power generation mode, a second weight coefficient of a vehicle speed-based power generation mode, and a third weight coefficient of a power-following power generation mode according to the instantaneous SOC value; The power generation mode is based on the above power generation methods and corresponding weight coefficients, and uses the above power generation methods to jointly generate electricity.

3. The method according to claim 1 or 2, characterized in that: The method further comprises: Set the startup SOC value and shutdown SOC value; When the instantaneous SOC value detected in real time is less than the starting SOC value, the range extender is driven to generate electricity according to the power generation mode; During the power generation process of the range extender, if the instantaneous SOC value detected in real time is greater than the shutdown SOC value, the range extender is controlled to stop power generation.

4. A range extender power generation control device, characterized in that: The device is applied to a vehicle controller, comprising: A first determination module is used to determine a first vehicle mode, wherein the first vehicle mode includes a vehicle energy consumption mode and a range extender power generation tendency mode, wherein different combinations of vehicle energy consumption modes and range extender power generation tendency modes correspond to different vehicle modes; The vehicle energy consumption mode includes: power consumption priority mode, fuel consumption priority mode and automatic mode; the range extender power generation tendency mode includes: economic efficiency priority mode and power demand priority mode; A second determination module is used to determine a first SOC level table associated with the first vehicle mode, wherein the first SOC level table defines a plurality of SOC intervals, and the plurality of SOC intervals correspond to different SOC value ranges; wherein the plurality of SOC intervals include a safety interval and N SOC protection intervals, and the minimum SOC value of the safety interval is greater than the maximum SOC value in the N SOC protection intervals; An acquisition module is used to obtain the instantaneous SOC value of the vehicle battery in real time; A driving module is used to determine a power generation mode of the range extender according to the SOC interval corresponding to the instantaneous SOC value, and drive the range extender to generate electricity according to the determined power generation mode; wherein the driving module is specifically used to determine that when the instantaneous SOC value corresponds to the SOC protection interval, the power generation mode of the range extender is a fixed-point power generation mode, a vehicle speed-based power generation mode, and a power following power generation mode according to the SOC values ​​in different SOC protection zones from large to small, and each SOC protection interval corresponds to a power generation mode; when the instantaneous SOC value corresponds to the safety interval, the power generation mode of the range extender is a fixed-point power generation mode.

5. An electronic device, characterized in that: include: at least one processor; as well as at least one memory in communication with the processor, wherein: The memory stores program instructions executable by the processor, and the processor can execute the method according to any one of claims 1 to 3 by calling the program instructions.

6. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions enable a computer to execute the method according to any one of claims 1 to 3.

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