Balance shaft control method and device, vehicle and storage medium

Abstract

The invention relates to a balance shaft control method and device, a vehicle and a storage medium, a balance shaft control system is adopted in the method, and the system comprises a crankshaft, a first detection assembly, a control assembly, a driving assembly, a balance shaft and a second detection assembly which are connected in sequence. If yes, acquiring a first phase signal of the crankshaft, a first rotating speed signal of the crankshaft, a second phase signal of the balance shaft and a second rotating speed signal of the balance shaft; and adjusting the phase of the balance shaft based on the first phase signal and the second phase signal until the phase of the balance shaft meets a first preset matching condition, and adjusting the rotating speed of the balance shaft based on the first rotating speed signal and the second rotating speed signal until the rotating speed of the balance shaft meets a second preset matching condition. Therefore, the problems of limited mechanical connection, large occupied space and the like of a mechanical transmission system are solved, the arrangement freedom degree of the balance shaft is improved, and the system robustness is improved while the maintenance convenience is improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a balance shaft control method, device, vehicle and storage medium. Background Art

[0002] Balance shaft technology is widely used in the field of automobile engines. Its structure is simple and practical, and it can effectively balance the vibration generated by the reciprocating motion of the engine piston, thereby improving the NVH (Noise, Vibration, Harshness) characteristics of the engine.

[0003] In related technologies, such as Figure 1 As shown, the current balance shaft design generally adopts the engine crankshaft to provide power, and drives the balance shaft through the transmission form of chain or gear. The advantage of this scheme is that the transmission relationship of the chain or gear is fixed, which can achieve stable speed ratio and phase transmission, thereby stabilizing the balancing effect of the balance shaft.

[0004] However, the balance shaft of the related technology must establish a mechanical connection with the crankshaft, which limits the layout of the balance shaft, that is, the balance shaft cannot be too far away from the crankshaft, otherwise the transmission chain will be too long, which will cause a decrease in transmission efficiency and accuracy. Maintaining an accurate transmission ratio and phase relationship is a prerequisite for realizing the function of the balance shaft. In addition, the mechanical transmission system will inevitably increase the weight and occupy a certain amount of engine or vehicle cabin space, which is contrary to the design concept of lightweight and compact engines. With the increasing number of hybrid vehicles, the cabin space is becoming increasingly tight. The balance shaft relying on mechanical transmission will have an adverse effect on the cabin layout, which needs to be solved urgently. Summary of the invention

[0005] The present application provides a balance shaft control method, device, vehicle and storage medium to solve the problems of limited mechanical connection and large space occupation of the mechanical transmission system, improve the layout freedom of the balance shaft, and improve the system robustness while improving the maintenance convenience.

[0006] In a first aspect, an embodiment of the present application provides a balance shaft control method, wherein the method adopts a balance shaft control system, wherein the system comprises a crankshaft, a first detection component, a control component, a drive component, a balance shaft, and a second detection component connected in sequence, wherein the control component, the drive component, the balance shaft, and the second detection component constitute a balance shaft subsystem, and the method comprises the following steps:

[0007] Get the current engine status;

[0008] If the current engine is in a starting state, obtaining a first phase signal of the crankshaft, a first speed signal of the crankshaft, a second phase signal of the balance shaft, and a second speed signal of the balance shaft;

[0009] The phase of the balancing shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balancing shaft meets a first preset matching condition, and the speed of the balancing shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balancing shaft meets a second preset matching condition.

[0010] According to one embodiment of the present application, the first preset matching condition is that the difference between the phase of the crankshaft and the phase of the balance shaft is within a preset difference range, and the second preset matching condition is that the ratio between the rotational speed of the crankshaft and the rotational speed of the balance shaft satisfies a preset speed ratio.

[0011] According to one embodiment of the present application, after obtaining the current state of the engine, the method further includes:

[0012] If the current engine is in an unstarted state, obtaining a third phase signal of the crankshaft and a fourth phase signal of the balance shaft;

[0013] The phase of the balancing shaft is adjusted based on the third phase signal and the fourth phase signal until the phase of the balancing shaft meets a third preset matching condition.

[0014] According to one embodiment of the present application, the above-mentioned balance shaft control method further includes:

[0015] determining whether the balance shaft subsystem is in a fault state;

[0016] If the balancing shaft subsystem is in a fault state, the driving component is controlled to stop running.

[0017] According to one embodiment of the present application, after controlling the driving component to stop running, the method further includes:

[0018] generating balance shaft subsystem fault reminder information based on the fault state;

[0019] An acoustic reminder and / or an optical reminder is provided according to the balance shaft subsystem fault reminder information.

[0020] According to the balance shaft control method provided in the embodiment of the present application, if the current engine is in the starting state, the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft are obtained; the phase of the balance shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balance shaft meets the first preset matching condition, and the speed of the balance shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balance shaft meets the second preset matching condition. In this way, the problems of limited mechanical connection and large occupied space of the mechanical transmission system are solved, the layout freedom of the balance shaft is improved, and the system robustness is improved while improving the convenience of maintenance.

[0021] A second aspect of the present application provides a balancing shaft control device, including: the device adopts a balancing shaft control system, the system includes a crankshaft, a first detection component, a control component, a drive component, a balancing shaft, and a second detection component connected in sequence, wherein the control component, the drive component, the balancing shaft, and the second detection component constitute a balancing shaft subsystem, and the device includes:

[0022] A first acquisition module is used to acquire the current state of the engine;

[0023] A second acquisition module, configured to acquire a first phase signal of the crankshaft, a first speed signal of the crankshaft, a second phase signal of the balance shaft, and a second speed signal of the balance shaft if the current engine is in a starting state;

[0024] An adjustment module is used to adjust the phase of the balancing shaft based on the first phase signal and the second phase signal until the phase of the balancing shaft meets a first preset matching condition, and to adjust the speed of the balancing shaft based on the first speed signal and the second speed signal until the speed of the balancing shaft meets a second preset matching condition.

[0025] According to one embodiment of the present application, the first preset matching condition is that the difference between the phase of the crankshaft and the phase of the balance shaft is within a preset difference range, and the second preset matching condition is that the ratio between the rotational speed of the crankshaft and the rotational speed of the balance shaft satisfies a preset speed ratio.

[0026] According to one embodiment of the present application, after acquiring the current state of the engine, the first acquisition module is further used to:

[0027] If the current engine is in an unstarted state, obtaining a third phase signal of the crankshaft and a fourth phase signal of the balance shaft;

[0028] The phase of the balancing shaft is adjusted based on the third phase signal and the fourth phase signal until the phase of the balancing shaft meets a third preset matching condition.

[0029] According to one embodiment of the present application, the above-mentioned balancing shaft control device is also used for:

[0030] determining whether the balance shaft subsystem is in a fault state;

[0031] If the balancing shaft subsystem is in a fault state, the driving component is controlled to stop running.

[0032] According to one embodiment of the present application, after controlling the driving component to stop running, the first acquisition module is further used to:

[0033] generating balance shaft subsystem fault reminder information based on the fault state;

[0034] An acoustic reminder and / or an optical reminder is provided according to the balance shaft subsystem fault reminder information.

[0035] According to the balance shaft control device provided in the embodiment of the present application, if the current engine is in the starting state, the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft are obtained; the phase of the balance shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balance shaft meets the first preset matching condition, and the speed of the balance shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balance shaft meets the second preset matching condition. In this way, the problems of limited mechanical connection and large occupied space of the mechanical transmission system are solved, the layout freedom of the balance shaft is improved, and the system robustness is improved while improving the convenience of maintenance.

[0036] A third aspect of the present application provides a vehicle, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the balance shaft control method as described in the above embodiment.

[0037] A fourth aspect of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute the balance shaft control method as described in the above embodiment.

[0038] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0040] Figure 1 It is a schematic diagram of the transmission relationship of the balance shaft in the related technology;

[0041] Figure 2 is a schematic structural diagram of a balance shaft control system according to an embodiment of the present application;

[0042] Figure 3 A flow chart of a balance shaft control method provided according to an embodiment of the present application;

[0043] Figure 4 is a block diagram of a balance shaft control device according to an embodiment of the present application;

[0044] Figure 5 A schematic diagram of the structure of a vehicle provided in an embodiment of the present application.

[0045] Figure markings: 10-balance shaft control system, 110-crankshaft connecting rod subsystem, 120-balance shaft subsystem, 111-crankshaft, 112-first detection component, 121-control component, 122-drive component, 123-balance shaft, 124-second detection component; 20-balance shaft control device, 210-first acquisition module, 220-second acquisition module, 230-adjustment module; 501-memory, 502-processor, 503-communication interface. DETAILED DESCRIPTION

[0046] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0047] The following describes the balance shaft control method, device, vehicle and storage medium of the embodiments of the present application with reference to the accompanying drawings.

[0048] Before introducing the balancing shaft control method of the embodiment of the present application, the balancing shaft control system involved in the balancing shaft control method proposed in the present application is first introduced.

[0049] It can be understood that in order to improve the layout freedom of the balance shaft subsystem, reduce the weight of the engine itself and save layout space, the present invention proposes an electric balance shaft control system based on phase control, which mechanically decouples the balance shaft subsystem from the crankshaft connecting rod subsystem, that is, cancels the traditional mechanical transmission structure, and there is no direct mechanical connection between the engine body and the balance shaft subsystem bracket. The decoupled balance shaft can be arranged at any position in the cabin, and the balance shaft subsystem function is realized by electric drive combined with phase control. Its control logic is as follows: Figure 2 shown.

[0050] Specifically, if Figure 2 As shown, the balance shaft control system 10 includes a crankshaft connecting rod subsystem 110 and a balance shaft subsystem 120, the crankshaft connecting rod subsystem 110 includes a crankshaft 111 and a first detection component 112, and the balance shaft subsystem 120 includes a control component 121, a drive component 122, a balance shaft 123 and a second detection component 124, wherein the crankshaft 111, the first detection component 112, the control component 121, the drive component 122, the balance shaft 123 and the second detection component 124 are connected in sequence. Figure 2 The solid line connection in represents the actual physical connection, and the dotted line connection represents the information feedback control path from the second detection component 124 to the control component 121.

[0051] Among them, the first detection component 112 is used to obtain a first phase signal and a first speed signal of the crankshaft 111, and feed back the first phase signal and the first speed signal to the control component 121, the drive component 122 is used to adjust the phase of the balance shaft 123, the second detection component 124 is used to obtain a second phase signal and a second speed signal of the balance shaft 123, and feed back the second phase signal and the second speed signal to the control component 121, the control component 121 is used to control the drive component 122 to adjust the phase and speed of the balance shaft 123 according to the first phase signal and the first speed signal fed back by the first detection component 112 and the second phase signal and the second speed signal fed back by the second detection component 124, so that the phase of the balance shaft 123 matches the phase of the crankshaft 111, and the speed of the balance shaft 123 matches the speed of the crankshaft 111.

[0052] Optionally, the first detection component 112 may be a crankshaft phase sensor, the control component 121 may be a balance shaft phase controller, and the drive component 122 may be a balance shaft drive motor. In addition, in addition to electric drive, the drive component 122 of the embodiment of the present application may also be other forms of drive components based on phase control, such as a magnetic drive component, a hydraulic drive component, etc., which are not specifically limited here. The second detection component 124 may be a balance shaft phase sensor.

[0053] Therefore, according to the balance shaft control system proposed in this application, the mechanical transmission structure is eliminated, the difficulty of system design is reduced, and the convenience of maintenance is improved. The balance shaft subsystem can be arranged outside the engine, thereby reducing the weight of the engine and improving the compactness of the engine. The replacement and maintenance of the balance shaft will not affect the engine. Even if the balance shaft is damaged, it will not affect the operation of the engine, thereby improving the robustness of the system.

[0054] The following describes a balance shaft control method proposed in the present application using the balance shaft control system described above.

[0055] Specifically, Figure 3 A schematic flow chart of a balance shaft control method provided in an embodiment of the present application.

[0056] like Figure 3 As shown, the balance shaft control method includes the following steps:

[0057] In step S301, the current state of the engine is obtained.

[0058] The current engine state includes a started state and a non-started state.

[0059] Optionally, the embodiment of the present application can obtain the current engine status through an engine control unit (ECU), or obtain the current engine status through a dashboard of the current vehicle. The current engine status can also be obtained by other methods in the prior art, which are not specifically limited here.

[0060] In step S302, if the current engine is in a starting state, a first phase signal of the crankshaft, a first speed signal of the crankshaft, a second phase signal of the balance shaft, and a second speed signal of the balance shaft are acquired.

[0061] Among them, the first phase signal of the crankshaft refers to the phase signal of the crankshaft when the current engine is in the starting state; the first speed signal of the crankshaft refers to the speed signal of the crankshaft when the current engine is in the starting state; the second phase signal of the balance shaft refers to the phase signal of the balance shaft when the current engine is in the starting state; the second speed signal of the balance shaft refers to the speed signal of the balance shaft when the current engine is in the starting state.

[0062] Specifically, if the current engine is in the starting state, the first phase signal of the crankshaft and the first speed signal of the crankshaft are obtained through the first detection component 112, and the second phase signal and the second speed signal of the balance shaft are obtained through the second detection component 124, and the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft are sent to the control component 121.

[0063] In step S303, the phase of the balancing shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balancing shaft meets the first preset matching condition, and the speed of the balancing shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balancing shaft meets the second preset matching condition.

[0064] In some embodiments, the first preset matching condition is that the difference between the phase of the crankshaft and the phase of the balance shaft is in a preset difference range, and the second preset matching condition is that the ratio between the rotational speed of the crankshaft and the rotational speed of the balance shaft satisfies the preset speed ratio.

[0065] The preset difference interval may be a difference interval preset by a person skilled in the art, may be a difference interval obtained through a limited number of experiments, or may be a difference interval obtained through computer simulation, and is not specifically limited here. The preset speed ratio may be a speed ratio preset by a person skilled in the art according to the actual situation of the engine design, and is not specifically limited here.

[0066] Specifically, after receiving the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft, the control component 121 calculates the difference between the first phase signal of the crankshaft and the second phase signal of the balance shaft. If the calculated phase difference is not within the preset difference range, the control component 121 sends a control instruction to the drive component 122, and the drive component 122 adjusts the phase of the balance shaft in real time until the phase of the balance shaft matches the phase of the crankshaft, that is, the difference between the phase of the crankshaft and the phase of the balance shaft is within the preset difference range.

[0067] In addition, after the control component 121 receives the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft, it is also necessary to calculate the ratio between the speed of the crankshaft and the speed of the balance shaft. If the calculated speed ratio does not meet the preset speed ratio, the control component 121 sends a control instruction to the drive component 122, and the drive component 122 adjusts the speed of the balance shaft in real time until the speed of the balance shaft matches the speed of the crankshaft, that is, the ratio between the speed of the crankshaft and the speed of the balance shaft meets the preset speed ratio.

[0068] Therefore, based on phase control, according to the phase and speed information of the crankshaft and the balance shaft, the balance shaft phase controller is used to control the phase and speed of the balance shaft, ensuring that the balance shaft can be accurately synchronized with the crankshaft, thereby effectively offsetting engine vibration and improving NVH performance.

[0069] Furthermore, in some embodiments, after obtaining the current state of the engine, it also includes: if the current engine is in an unstarted state, obtaining a third phase signal of the crankshaft and a fourth phase signal of the balance shaft, and adjusting the phase of the balance shaft based on the third phase signal and the fourth phase signal until the phase of the balance shaft meets a third preset matching condition.

[0070] The third phase signal of the crankshaft refers to the phase signal of the crankshaft when the current engine is not started; the fourth phase signal of the balance shaft refers to the phase signal of the balance shaft when the current engine is not started. The third preset matching condition may be that the difference between the third phase signal of the crankshaft and the fourth phase signal of the balance shaft meets a preset threshold.

[0071] Specifically, if the current engine is in an unstarted state (i.e. before the engine is started), it means that the engine has not yet run, i.e. the crankshaft has not rotated. At this time, all components inside the engine are in a stationary state, the third phase signal of the crankshaft is obtained through the first detection component 112, and the fourth phase signal of the balance shaft is obtained through the second detection component 124, and the third phase signal of the crankshaft and the fourth phase signal of the balance shaft are sent to the control component 121. The control component 121 controls the drive component 122 to adjust the phase of the balance shaft according to the third phase signal fed back by the first detection component 112 and the fourth phase signal fed back by the second detection component 124, so that the phase of the balance shaft matches the phase of the crankshaft, i.e. the difference between the third phase signal of the crankshaft and the fourth phase signal of the balance shaft meets the preset threshold.

[0072] This ensures that the phase of the balance shaft has been adjusted to an ideal position that matches the phase of the crankshaft before the engine is about to start, so that it can quickly enter the working state when the engine is started, reducing vibration and noise during the startup phase.

[0073] Furthermore, in some embodiments, the above-mentioned balance shaft control method further includes: determining whether the balance shaft subsystem is in a fault state, and if the balance shaft subsystem is in a fault state, controlling the drive component to stop running.

[0074] Specifically, when the balance shaft subsystem fails, such as when the balance shaft phase signal is lost, the balance shaft speed signal is abnormal, or the drive component 122 fails, in order to ensure the stable operation of the engine, the control component 121 sends a stop rotation signal to the drive component 122 to control the drive component 122 to stop rotating and send a fault signal. At this time, the balance sub-shaft system fails. During the balance shaft subsystem failure, although the engine loses some NVH performance optimization functions, it can still provide basic power output to ensure that the vehicle can continue to run.

[0075] Therefore, even if the balance shaft is damaged, it will not have a significant impact on the operation of the engine, thereby improving the robustness of the balance shaft control system.

[0076] Furthermore, in some embodiments, after the control drive component stops running, it also includes: generating balance shaft subsystem fault reminder information based on the fault state; and performing acoustic reminder and / or optical reminder according to the balance shaft subsystem fault reminder information.

[0077] Among them, the reminder method of the present application can be that the acoustic reminder device of the vehicle is controlled to emit an alarm sound, such as a beeping sound, or a voice broadcast, such as a current balance shaft subsystem failure, etc. Reminders can also be given through optical reminder devices, such as flashing indicator lights in the vehicle, etc. The flashing type can be set in advance to correspond to the situation, or displayed through a logo on the vehicle display screen.

[0078] In the specific implementation process, when controlling the vehicle to provide a balance shaft subsystem fault reminder, the reminder can be provided only through one of the acoustic reminder device or the optical reminder device, or through both the acoustic reminder device and the optical reminder device at the same time, such as a voice broadcast and a flashing indicator light at the same time, without limitation.

[0079] According to the balance shaft control method proposed in the embodiment of the present application, if the current engine is in the starting state, the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft are obtained; the phase of the balance shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balance shaft meets the first preset matching condition, and the speed of the balance shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balance shaft meets the second preset matching condition. In this way, the problems of limited mechanical connection and large occupied space of the mechanical transmission system are solved, the layout freedom of the balance shaft is improved, and the system robustness is improved while improving the convenience of maintenance.

[0080] Next, the balancing shaft control device proposed according to the embodiment of the present application is described with reference to the accompanying drawings.

[0081] In this embodiment, the device adopts a balancing shaft control system, which includes a crankshaft, a first detection component, a control component, a drive component, a balancing shaft and a second detection component connected in sequence, wherein the control component, the drive component, the balancing shaft and the second detection component constitute a balancing shaft subsystem.

[0082] Figure 4 It is a block diagram of a balance shaft control device according to an embodiment of the present application.

[0083] like Figure 4As shown, the balancing shaft control device 20 includes: a first acquisition module 210 , a second acquisition module 220 and an adjustment module 230 .

[0084] Among them, the first acquisition module 210 is used to obtain the current state of the engine; the second acquisition module 220 is used to obtain the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft if the current engine is in the starting state; the adjustment module 230 is used to adjust the phase of the balance shaft based on the first phase signal and the second phase signal until the phase of the balance shaft meets the first preset matching condition, and adjust the speed of the balance shaft based on the first speed signal and the second speed signal until the speed of the balance shaft meets the second preset matching condition.

[0085] Further, in some embodiments, the first preset matching condition is that the difference between the phase of the crankshaft and the phase of the balance shaft is in a preset difference range, and the second preset matching condition is that the ratio between the rotational speed of the crankshaft and the rotational speed of the balance shaft satisfies a preset speed ratio.

[0086] Furthermore, in some embodiments, after obtaining the current state of the engine, the first acquisition module 210 is also used to: if the current engine is in an unstarted state, obtain the third phase signal of the crankshaft and the fourth phase signal of the balance shaft, and adjust the phase of the balance shaft based on the third phase signal and the fourth phase signal until the phase of the balance shaft meets the third preset matching condition.

[0087] Furthermore, in some embodiments, the above-mentioned balancing shaft control device 10 is also used to: determine whether the balancing shaft subsystem is in a fault state; if the balancing shaft subsystem is in a fault state, control the driving component to stop running.

[0088] Furthermore, in some embodiments, after the control drive component stops running, the first acquisition module 210 is also used to: generate balance shaft subsystem fault reminder information based on the fault state; and perform acoustic reminders and / or optical reminders according to the balance shaft subsystem fault reminder information.

[0089] It should be noted that the aforementioned explanation of the embodiment of the balancing shaft control method is also applicable to the balancing shaft control device of this embodiment, and will not be repeated here.

[0090] According to the balance shaft control device proposed in the embodiment of the present application, if the current engine is in the starting state, the first phase signal of the crankshaft, the first speed signal of the crankshaft, the second phase signal of the balance shaft and the second speed signal of the balance shaft are obtained; the phase of the balance shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balance shaft meets the first preset matching condition, and the speed of the balance shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balance shaft meets the second preset matching condition. In this way, the problems of limited mechanical connection and large occupied space of the mechanical transmission system are solved, the layout freedom of the balance shaft is improved, and the system robustness is improved while improving the convenience of maintenance.

[0091] Figure 5 A schematic diagram of the structure of a vehicle provided in an embodiment of the present application. The vehicle may include:

[0092] A memory 501 , a processor 502 , and a computer program stored in the memory 501 and executable on the processor 502 .

[0093] When the processor 502 executes the program, the balance shaft control method provided in the above embodiment is implemented.

[0094] Furthermore, the vehicle also includes:

[0095] The communication interface 503 is used for communication between the memory 501 and the processor 502 .

[0096] The memory 501 is used to store computer programs that can be executed on the processor 502 .

[0097] The memory 501 may include a high-speed RAM memory, and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.

[0098] If the memory 501, the processor 502 and the communication interface 503 are implemented independently, the communication interface 503, the memory 501 and the processor 502 can be connected to each other through a bus and communicate with each other. The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 5 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0099] Optionally, in a specific implementation, if the memory 501, the processor 502 and the communication interface 503 are integrated on a chip, the memory 501, the processor 502 and the communication interface 503 can communicate with each other through an internal interface.

[0100] The processor 502 may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application.

[0101] An embodiment of the present application also provides a computer-readable storage medium having a computer program stored thereon, which implements the above-mentioned balance shaft control method when executed by a processor.

[0102] 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 application. 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 N 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.

[0103] 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 technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "N" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0104] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, fragment 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 application 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 application belong.

[0105] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purpose of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or N wirings (electronic devices), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or processing in other suitable ways if necessary, and then stored in a computer memory.

[0106] It should be understood that the various parts of the present application can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiment, the N steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0107] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0108] In addition, each functional unit in each embodiment of the present application may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

[0109] The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, etc. Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. A person of ordinary skill in the art may change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A balance shaft control method, characterized in that: The method adopts a balance shaft control system, the system includes a crankshaft, a first detection component, a control component, a drive component, a balance shaft and a second detection component connected in sequence, wherein the control component, the drive component, the balance shaft and the second detection component constitute a balance shaft subsystem, and the method includes the following steps: Get the current engine status; If the current engine is in a starting state, obtaining a first phase signal of the crankshaft, a first speed signal of the crankshaft, a second phase signal of the balance shaft, and a second speed signal of the balance shaft; The phase of the balancing shaft is adjusted based on the first phase signal and the second phase signal until the phase of the balancing shaft meets a first preset matching condition, and the speed of the balancing shaft is adjusted based on the first speed signal and the second speed signal until the speed of the balancing shaft meets a second preset matching condition.

2. The method according to claim 1, characterized in that The first preset matching condition is that the difference between the phase of the crankshaft and the phase of the balance shaft is within a preset difference range, and the second preset matching condition is that the ratio between the rotational speed of the crankshaft and the rotational speed of the balance shaft satisfies a preset rotational speed ratio.

3. The method according to claim 1, characterized in that After getting the current engine status, it also includes: If the current engine is in an unstarted state, obtaining a third phase signal of the crankshaft and a fourth phase signal of the balance shaft; The phase of the balancing shaft is adjusted based on the third phase signal and the fourth phase signal until the phase of the balancing shaft meets a third preset matching condition.

4. The method according to claim 1, characterized in that: Also includes: determining whether the balance shaft subsystem is in a fault state; If the balancing shaft subsystem is in a fault state, the driving component is controlled to stop running.

5. The method according to claim 4, characterized in that After controlling the driving component to stop running, the method further includes: generating balance shaft subsystem fault reminder information based on the fault state; An acoustic reminder and / or an optical reminder is provided according to the balance shaft subsystem fault reminder information.

6. A balance shaft control device, characterized in that: The device adopts a balance shaft control system, which includes a crankshaft, a first detection component, a control component, a drive component, a balance shaft and a second detection component connected in sequence, wherein the control component, the drive component, the balance shaft and the second detection component constitute a balance shaft subsystem, and the device includes: A first acquisition module is used to acquire the current state of the engine; A second acquisition module, configured to acquire a first phase signal of the crankshaft, a first speed signal of the crankshaft, a second phase signal of the balance shaft, and a second speed signal of the balance shaft if the current engine is in a starting state; An adjustment module is used to adjust the phase of the balancing shaft based on the first phase signal and the second phase signal until the phase of the balancing shaft meets a first preset matching condition, and to adjust the speed of the balancing shaft based on the first speed signal and the second speed signal until the speed of the balancing shaft meets a second preset matching condition.

7. The device according to claim 6, characterized in that The first preset matching condition is that the difference between the phase of the crankshaft and the phase of the balance shaft is within a preset difference range, and the second preset matching condition is that the ratio between the rotational speed of the crankshaft and the rotational speed of the balance shaft satisfies a preset rotational speed ratio.

8. The device according to claim 6, characterized in that After acquiring the current state of the engine, the first acquisition module is further used to: If the current engine is in an unstarted state, obtaining a third phase signal of the crankshaft and a fourth phase signal of the balance shaft; The phase of the balancing shaft is adjusted based on the third phase signal and the fourth phase signal until the phase of the balancing shaft meets a third preset matching condition.

9. A vehicle, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the balancing shaft control method according to any one of claims 1 to 5.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: The program is executed by a processor to implement the balancing shaft control method according to any one of claims 1 to 5.

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