Vehicle clutch protection method, apparatus, device, and readable storage medium

Abstract

The application provides a vehicle clutch protection method, device, equipment and readable storage medium, the method comprises the following steps: after the vehicle engine starts, it is judged whether the clutch is in the half linkage state; if the clutch is in the half linkage state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is also met, an early warning prompt is output, wherein the first condition is that the cumulative sliding friction work of the half linkage working condition is greater than the first preset threshold value, the second condition is that the vehicle gear at the current moment is not 1 gear and reverse gear, the third condition is that the duration of the half linkage working condition is greater than the second preset threshold value, and the fourth condition is that the clutch speed difference at the current moment is greater than the third preset threshold value. Through the application, the maximum degree of freedom operation space can be provided to the driver within the range of no damage to the clutch, and the driving experience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle clutch, in particular to a vehicle clutch protection method, device, equipment and readable storage medium. BACKGROUND

[0002] In a vehicle power system, the clutch plays a role in transmitting and interrupting the power of the engine. Half-engagement is a state when the driver operates the clutch of a manual transmission vehicle during driving. The driver steps on the clutch pedal, and the clutch pressure plate pressure gradually decreases, causing the driving disc and the driven disc to be in a state of turning and sliding.

[0003] Half-engagement is usually applied during vehicle starting, so that the power of the engine is gradually transmitted to the wheels, thereby improving the starting stability. In the half-engagement state, the driving disc and the driven disc of the clutch slide and rub against each other, and the heat generated by the friction will aggravate the wear of the clutch. Therefore, the half-engagement state needs to be properly limited to protect the clutch.

[0004] In related technologies, during vehicle starting, different degrees of engine torque limitation are performed for each vehicle gear, so as to limit the sliding friction power in the half-engagement state. However, this limitation method cannot well determine whether the clutch is in a half-engagement working condition exceeding a safety threshold, and may excessively limit the starting power, resulting in starting powerlessness and reducing the driving experience. SUMMARY

[0005] The present application provides a vehicle clutch protection method, device, equipment and readable storage medium, which can solve the technical problem of starting powerlessness caused by improper half-engagement state limitation in the prior art.

[0006] In a first aspect, an embodiment of the present application provides a vehicle clutch protection method, which comprises:

[0007] After the vehicle engine is started, it is determined whether the clutch is in a half-engagement state;

[0008] If the clutch is in a half-engagement state, a first condition is met, and at least one of a second condition, a third condition and a fourth condition is also met, a warning prompt is output, wherein the first condition is that the cumulative sliding friction power of the current half-engagement working condition is greater than a first preset threshold, the second condition is that the vehicle gear at the current time is not 1st gear and reverse gear, the third condition is that the duration of the current half-engagement working condition is greater than a second preset threshold, and the fourth condition is that the clutch speed difference at the current time is greater than a third preset threshold.

[0009] Further, in an embodiment, the vehicle clutch protection method further comprises:

[0010] setting a target time;

[0011] If the accumulated sliding friction work from the target time to the current time is greater than a fourth preset threshold, an early warning prompt is outputted, wherein the preset time length is greater than the second preset threshold, and the fourth preset threshold is greater than the first preset threshold.

[0012] Further, in an embodiment, the step of setting the target time comprises:

[0013] If there is no target time at the starting time of each half-engagement working condition, the current time is set as the target time; if there is a target time, and the interval from the target time to the current time is greater than a preset time length, the current time is set as a new target time.

[0014] Further, in an embodiment, after the step of setting the target time, the method further comprises:

[0015] The first accumulated value of the target time is set to zero;

[0016] At each time within the preset time length after the target time, the first accumulated value of the previous time is added to the product of the sliding friction power of the current time and the interval between adjacent times to obtain the first accumulated value of the current time, and the first accumulated value of the current time is taken as the accumulated sliding friction work from the target time to the current time.

[0017] Further, in an embodiment, if the clutch is in the half-engagement state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is met, the step of outputting the early warning prompt comprises:

[0018] If the clutch is in the half-engagement state, whether the accumulated sliding friction work of the current half-engagement working condition is greater than a first preset threshold is detected;

[0019] If the accumulated sliding friction work of the current half-engagement working condition is greater than the first preset threshold, whether the vehicle gear at the current time is 1st gear or reverse gear is detected;

[0020] If the vehicle gear at the current time is not 1st gear and reverse gear, a first early warning prompt is outputted;

[0021] If the vehicle gear at the current time is 1st gear or reverse gear, whether the duration of the current half-engagement working condition is greater than a second preset threshold is detected;

[0022] If the duration of the current half-engagement working condition is greater than the second preset threshold, a second early warning prompt is outputted;

[0023] If the duration of the current half-engagement working condition is less than or equal to the second preset threshold, whether the clutch speed difference at the current time is greater than a third preset threshold is detected;

[0024] If the clutch speed difference at the current moment is greater than a third preset threshold, a third early warning prompt is output.

[0025] Further, in an embodiment, the step of judging whether the clutch is in the half-engagement state comprises:

[0026] If the vehicle gear at the current moment is not neutral, the transmission input shaft speed at the current moment is greater than a fifth preset threshold, and the clutch speed difference at the current moment is greater than a sixth preset threshold, it is judged that the clutch is in the half-engagement state at the current moment.

[0027] Further, in an embodiment, the vehicle clutch protection method further comprises:

[0028] At each moment when the clutch is in the half-engagement state, the second cumulative value at the previous moment is added to the product of the current moment slip friction power and the adjacent moment interval to obtain the second cumulative value at the current moment, and the second cumulative value at the current moment is taken as the cumulative slip friction work of the current half-engagement working condition.

[0029] When the clutch is not in the half-engagement state, the second cumulative value is set to zero.

[0030] In a second aspect, the embodiments of the present application also provide a vehicle clutch protection device, which comprises:

[0031] A state judging module is configured to judge whether the clutch is in the half-engagement state after the vehicle engine is started.

[0032] A first early warning module is configured to output an early warning prompt if the clutch is in the half-engagement state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is met, wherein the first condition is that the cumulative slip friction work of the current half-engagement working condition is greater than a first preset threshold, the second condition is that the vehicle gear at the current moment is not 1st gear and reverse gear, the third condition is that the duration of the current half-engagement working condition is greater than a second preset threshold, and the fourth condition is that the clutch speed difference at the current moment is greater than a third preset threshold.

[0033] In a third aspect, the embodiments of the present application also provide a vehicle clutch protection device, which comprises a processor, a memory, and a vehicle clutch protection program stored in the memory and executable by the processor, wherein when the vehicle clutch protection program is executed by the processor, the steps of the vehicle clutch protection method described above are implemented.

[0034] In a fourth aspect, the embodiments of the present application also provide a readable storage medium, which stores a vehicle clutch protection program, wherein when the vehicle clutch protection program is executed by a processor, the steps of the vehicle clutch protection method described above are implemented.

[0035] In the present application, the cumulative sliding friction work in the single semi-coupling condition, the real-time vehicle gear, the state duration and the real-time clutch speed difference are monitored. In the single semi-coupling condition, if the cumulative sliding friction work exceeds the safe range, and at least one of the real-time vehicle gear, the state duration and the real-time clutch speed difference exceeds the safe range, the driver will be prompted by the pre-warning that the clutch is easy to be damaged and needs to be operated normally. Through the present application, whether the clutch is in a semi-coupling condition exceeding the safety threshold is comprehensively judged from multiple dimensions, and the driver is pre-warned, so as to provide the driver with the maximum degree of free operation space within the range of not damaging the clutch, and improve the driving experience. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 The flowchart of the vehicle clutch protection method in an embodiment of the present application is shown.

[0037] Figure 2 The structural diagram of the vehicle power system is shown.

[0038] Figure 3 The functional module diagram of the vehicle clutch protection device in an embodiment of the present application is shown.

[0039] Figure 4 The hardware structure diagram of the vehicle clutch protection device involved in the embodiment of the present application is shown. DETAILED DESCRIPTION

[0040] In order to enable personnel in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0041] In order to make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0042] In a first aspect, the embodiments of the present application provide a vehicle clutch protection method.

[0043] Figure 1 The flowchart of the vehicle clutch protection method in an embodiment of the present application is shown.

[0044] Reference Figure 1 In an embodiment, the vehicle clutch protection method comprises the following steps:

[0045] S1, after the vehicle engine starts, judge whether the clutch is in half drive state.

[0046] Figure 2 The structure diagram of the vehicle power system is shown.

[0047] Referring to Figure 2 , the vehicle power system includes an engine 1, a clutch 2, a gearbox 3, a transmission shaft 4 and a drive wheel 5, the output shaft of the engine 1 is connected to the driving disc 21 of the clutch 2, the driven disc 22 of the clutch 2 is connected to the input shaft of the gearbox 3, and the output shaft of the gearbox 3 is connected to the drive wheel 5 through the transmission shaft 4. When the driving disc 21 and the driven disc 22 of the clutch 3 are completely separated, the power of the engine 1 cannot be transmitted to the gearbox 3, when the driving disc 21 and the driven disc 22 of the clutch 3 are completely combined, the rotating speed of the driving disc 21 is equal to that of the driven disc 22, and the power of the engine 1 is fully transmitted to the gearbox 3. When the driving disc 21 and the driven disc 22 of the clutch 3 are neither completely combined nor completely separated, the rotating speed of the driving disc 21 is greater than that of the driven disc 22, and part of the power of the engine 1 is transmitted to the gearbox 3 and part of the power is consumed by the friction between the driving disc 21 and the driven disc 22. This state is called half drive state.

[0048] The clutch rotating speed difference is the rotating speed difference between the driving disc and the driven disc of the clutch, the rotating speed of the driving disc is equal to the rotating speed of the engine, and the rotating speed of the driven disc is equal to the rotating speed of the input shaft of the gearbox.

[0049] Further, in an embodiment, the step of judging whether the clutch is in half drive state comprises:

[0050] If the vehicle gear at the current moment is not neutral, the rotating speed of the input shaft of the gearbox at the current moment is greater than the fifth preset threshold, and the clutch rotating speed difference at the current moment is greater than the sixth preset threshold, it is judged that the clutch is in half drive state at the current moment.

[0051] Through this embodiment, whether the clutch is in half drive state can be accurately judged.

[0052] S2, if the clutch is in half drive state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is met, output a warning prompt, wherein the first condition is that the cumulative sliding friction work of the current half drive working condition is greater than the first preset threshold, the second condition is that the vehicle gear at the current moment is not 1 gear and reverse gear, the third condition is that the duration of the current half drive working condition is greater than the second preset threshold, and the fourth condition is that the clutch rotating speed difference at the current moment is greater than the third preset threshold.

[0053] In the embodiment, if the clutch is in the half-engagement state at a time, and was not in the half-engagement state at the previous time, the time is referred to as the starting time of the single half-engagement working condition, and if the clutch is not in the half-engagement state at a time, and was in the half-engagement state at the previous time, the time is referred to as the ending time of the single half-engagement working condition, the starting time to the ending time represents a completed half-engagement working condition, and the current time before the starting time to the ending time represents an ongoing half-engagement working condition.

[0054] The current half-engagement working condition belongs to the ongoing half-engagement working condition. The cumulative sliding friction work of the current half-engagement working condition refers to the cumulative sliding friction work from the starting time of the current half-engagement working condition to the current time, and the duration of the current half-engagement working condition refers to the interval from the starting time of the current half-engagement working condition to the current time.

[0055] For example, the clutch is not in the half-engagement state at time 0, is in the half-engagement state at times 1 to 10, is not in the half-engagement state at times 11 to 14, and is in the half-engagement state at times 15 to the current time, times 1 to 10 represent a completed half-engagement working condition, and times 15 to the current time represent an ongoing half-engagement working condition, i.e., the current half-engagement working condition.

[0056] For example, the calculation formula of the cumulative sliding friction work is:

[0057]

[0058] wherein, W is the cumulative sliding friction work, T is the cumulative total duration, n e is the real-time torque of the engine, ω e is the real-time speed of the engine, ω c is the real-time speed of the input shaft of the gearbox.

[0059] The first condition is a basic condition of the early warning prompt, representing that the cumulative sliding friction work of the current half-engagement working condition is out of limit, and the risk of damage to the clutch is high. The second condition, the third condition, and the fourth condition are additional conditions of the early warning prompt, representing three possible reasons for the cumulative sliding friction work to be out of limit: when the gear of the vehicle is not in the first gear and the reverse gear, the engine torque is large, resulting in high sliding friction power and rapid growth of the cumulative sliding friction work; the duration of the current half-engagement working condition is long, resulting in continuous growth of the cumulative sliding friction work; and the speed difference of the clutch is large, resulting in high sliding friction power and rapid growth of the cumulative sliding friction work. Therefore, when the first condition is met, at least one of the second condition, the third condition, and the fourth condition is also met, the early warning prompt is output, and thus the judgment accuracy is improved.

[0060] In addition, the clutch is protected by means of early warning instead of directly limiting the engine speed or torque, so that the driver can choose the response measures after receiving the early warning, and the freedom is higher, thereby improving the driving experience. Of course, if the situation does not improve after the early warning, the engine speed or torque can be selectively limited, thereby avoiding damage to the clutch.

[0061] Optionally, the early warning is output by means of an instrument, voice, light, etc.

[0062] Therefore, in the embodiment, the cumulative sliding friction work in a single semi- linkage condition, the real-time vehicle gear, the state duration and the real-time clutch speed difference are monitored, and if the cumulative sliding friction work exceeds the safe range, and at least one of the real-time vehicle gear, the state duration and the real-time clutch speed difference exceeds the safe range, the driver is informed that the clutch is easily damaged and needs to be operated in a standard manner by means of early warning. Through the embodiment, whether the clutch is in a semi-linkage condition exceeding the safety threshold is comprehensively judged from multiple dimensions, and the driver is warned, so that the driver is provided with the maximum degree of freedom of operation within the range that the clutch is not damaged, and the driving experience is improved.

[0063] Further, in an embodiment, the vehicle clutch protection method further comprises:

[0064] setting a target time;

[0065] At each time within a preset time period after the target time, if the cumulative sliding friction work from the target time to the current time is greater than a fourth preset threshold, an early warning is output, wherein the preset time period is greater than a second preset threshold, and the fourth preset threshold is greater than a first preset threshold.

[0066] In the embodiment, for the case of experiencing multiple short semi-linkage conditions in a period of time, only relying on the detection of the first condition to the fourth condition may not trigger the early warning, so that the detection logic is added, without distinguishing between single or multiple semi-linkage conditions, the cumulative sliding friction work within the preset time period is counted, thereby improving the comprehensiveness of detection and further reducing the risk of damage to the clutch.

[0067] Further, in an embodiment, the step of setting the target time comprises:

[0068] At the starting time of each semi-linkage condition, if there is no target time, the current time is set as the target time, and if there is a target time and the interval from the target time to the current time is greater than the preset time period, the current time is set as a new target time.

[0069] The embodiment provides a setting strategy for the target time, which can identify the starting time of the first semi-linkage condition in the starting stage and set it as the target time.

[0070] Further, in an embodiment, after the step of setting the target time point, the method further comprises:

[0071] setting the first cumulative value of the target time point to zero;

[0072] at each time point within a preset time period after the target time point, adding the product of the first cumulative value of the previous time point and the slip power of the current time point and the interval between adjacent time points to obtain the first cumulative value of the current time point, and taking the first cumulative value of the current time point as the cumulative slip power from the target time point to the current time point.

[0073] The embodiment provides a calculation manner of the cumulative slip power from the target time point to the current time point.

[0074] Optionally, the slip power is equal to the product of the clutch speed difference and the engine torque.

[0075] Further, in an embodiment, if the clutch is in the half-engagement state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is met, the step of outputting the early warning prompt comprises:

[0076] if the clutch is in the half-engagement state, detecting whether the cumulative slip power of the current half-engagement working condition is greater than a first preset threshold value;

[0077] if the cumulative slip power of the current half-engagement working condition is greater than the first preset threshold value, detecting whether the vehicle gear at the current time point is the first gear or the reverse gear;

[0078] if the vehicle gear at the current time point is not the first gear or the reverse gear, outputting a first early warning prompt;

[0079] if the vehicle gear at the current time point is the first gear or the reverse gear, detecting whether the duration of the current half-engagement working condition is greater than a second preset threshold value;

[0080] if the duration of the current half-engagement working condition is greater than the second preset threshold value, outputting a second early warning prompt;

[0081] if the duration of the current half-engagement working condition is less than or equal to the second preset threshold value, detecting whether the clutch speed difference at the current time point is greater than a third preset threshold value;

[0082] if the clutch speed difference at the current time point is greater than the third preset threshold value, outputting a third early warning prompt.

[0083] In the embodiment, when the clutch is in the half-engagement state, firstly, it is detected whether the first condition is met, after the first condition is met, it is preferentially detected whether the second condition is met, in the case that the second condition is not met, it is further detected whether the third condition is met, in the case that the third condition is not met, it is further detected whether the fourth condition is met, so that resource occupation is reduced.

[0084] Optionally, the first early warning prompt, the second early warning prompt and the third early warning prompt can contain different prompt information to inform the driver of the cause of the clutch damage.

[0085] For example, the first early warning prompt contains a text reminder of "high start gear position, clutch easy to burn", the second early warning prompt contains a text reminder of "long half-linkage time, clutch easy to burn", and the third early warning prompt contains a text reminder of "high half-linkage speed, clutch easy to burn". The first early warning prompt, the second early warning prompt and the third early warning prompt also contain a voice reminder of "clutch damage, please follow the prompt and standardize operation", and the instrument yellow light flashes three times.

[0086] Further, in an embodiment, the vehicle clutch protection method further comprises:

[0087] At each time when the clutch is in the half-linkage state, the second cumulative value of the previous time is added to the product of the current time's slip power and the interval between adjacent times to obtain the second cumulative value of the current time, and the second cumulative value of the current time is taken as the cumulative slip power of the current half-linkage working condition.

[0088] When the clutch is not in the half-linkage state, the second cumulative value is set to zero.

[0089] This embodiment provides a calculation method of the cumulative slip power of the current half-linkage working condition.

[0090] In a second aspect, the embodiments of the present application also provide a vehicle clutch protection device.

[0091] Figure 3 A functional module schematic diagram of the vehicle clutch protection device in an embodiment of the present application is shown.

[0092] Reference Figure 3 In an embodiment, the vehicle clutch protection device comprises:

[0093] A state judgment module 10 is configured to judge whether the clutch is in the half-linkage state after the vehicle engine is started;

[0094] A first early warning module 20 is configured to output an early warning prompt if the clutch is in the half-linkage state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is met, wherein the first condition is that the cumulative slip power of the current half-linkage working condition is greater than a first preset threshold, the second condition is that the vehicle gear at the current time is not the 1st gear and the reverse gear, the third condition is that the duration of the current half-linkage working condition is greater than a second preset threshold, and the fourth condition is that the clutch speed difference at the current time is greater than a third preset threshold.

[0095] Further, in an embodiment, the vehicle clutch protection device further comprises a second warning module 30, configured to:

[0096] set the target time point;

[0097] if the accumulated slip work from the target time point to the current time point is greater than a fourth preset threshold value, output a warning prompt, wherein the preset time length is greater than the second preset threshold value, and the fourth preset threshold value is greater than the first preset threshold value.

[0098] Further, in an embodiment, the second warning module 30 is configured to:

[0099] at the starting time point of each semi-driving condition, if there is no target time point, set the current time point as the target time point, and if there is a target time point and the interval from the target time point to the current time point is greater than the preset time length, set the current time point as a new target time point.

[0100] Further, in an embodiment, the second warning module 30 is further configured to:

[0101] set the first cumulative value of the target time point to zero;

[0102] at each time point within the preset time length after the target time point, add the product of the slip power at the current time point and the interval between adjacent time points to the first cumulative value at the last time point to obtain the first cumulative value at the current time point, and take the first cumulative value at the current time point as the accumulated slip work from the target time point to the current time point.

[0103] Further, in an embodiment, the state judgment module 10 is configured to:

[0104] if the clutch is in a semi-driving state, detect whether the accumulated slip work of the current semi-driving condition is greater than a first preset threshold value;

[0105] if the accumulated slip work of the current semi-driving condition is greater than the first preset threshold value, detect whether the vehicle gear at the current time point is 1st gear or reverse gear;

[0106] if the vehicle gear at the current time point is not 1st gear and reverse gear, output a first warning prompt;

[0107] if the vehicle gear at the current time point is 1st gear or reverse gear, detect whether the duration of the current semi-driving condition is greater than a second preset threshold value;

[0108] if the duration of the current semi-driving condition is greater than the second preset threshold value, output a second warning prompt;

[0109] if the duration of the current semi-driving condition is less than or equal to the second preset threshold value, detect whether the clutch speed difference at the current time point is greater than a third preset threshold value;

[0110] If the clutch speed difference at the current moment is greater than the third preset threshold, a third early warning prompt is output.

[0111] Further, in an embodiment, the step of determining whether the clutch is in the half-engagement state comprises:

[0112] If the vehicle gear at the current moment is not neutral, the transmission input shaft speed at the current moment is greater than the fifth preset threshold, and the clutch speed difference at the current moment is greater than the sixth preset threshold, it is determined that the clutch is in the half-engagement state at the current moment.

[0113] Further, in an embodiment, the first early warning module is further configured to:

[0114] At each moment when the clutch is in the half-engagement state, the second cumulative value at the previous moment is added to the product of the current moment slip friction power and the adjacent moment interval to obtain the second cumulative value at the current moment, and the second cumulative value at the current moment is taken as the cumulative slip friction work of the current half-engagement working condition.

[0115] When the clutch is not in the half-engagement state, the second cumulative value is set to zero.

[0116] The functions of each module in the vehicle clutch protection device correspond to the steps in the vehicle clutch protection method embodiments, and the functions and implementation processes will not be repeated here.

[0117] In a third aspect, the embodiments of the present application provide a vehicle clutch protection device. The vehicle clutch protection device can be a personal computer (PC), a notebook computer, a server, or other devices with data processing functions.

[0118] Figure 4 A hardware structure schematic diagram of the vehicle clutch protection device involved in the embodiments of the present application is shown.

[0119] Referring to Figure 4 In the embodiments of the present application, the vehicle clutch protection device can include a processor, a memory, a communication interface, and a communication bus.

[0120] The communication bus can be of any type, used to interconnect the processor, the memory, and the communication interface.

[0121] The communication interface includes input / output (I / O) interfaces, physical interfaces, and logical interfaces used for interconnecting components within the vehicle clutch protection device, as well as interfaces used for interconnecting the vehicle clutch protection device with other devices (such as other computing devices or user equipment). Physical interfaces can be Ethernet interfaces, fiber optic interfaces, ATM interfaces, etc.; user equipment can be displays, keyboards, etc.

[0122] Memory can be various types of storage media, such as random access memory (RAM), read-only memory (ROM), non-volatile RAM (NVRAM), flash memory, optical storage, hard disk, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), etc.

[0123] The processor can be a general-purpose processor, which can call the vehicle clutch protection program stored in the memory and execute the vehicle clutch protection method provided in the embodiments of this application. For example, the general-purpose processor can be a central processing unit (CPU). The method executed when the vehicle clutch protection program is called can be referred to in the various embodiments of the vehicle clutch protection method of this application, and will not be repeated here.

[0124] Those skilled in the art will understand that Figure 4 The hardware structure shown does not constitute a limitation of this application and may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0125] Fourthly, embodiments of this application also provide a readable storage medium.

[0126] The present application has a readable storage medium storing a vehicle clutch protection program, wherein when the vehicle clutch protection program is executed by a processor, it implements the steps of the vehicle clutch protection method as described above.

[0127] The method implemented when the vehicle clutch protection procedure is executed can be referred to in various embodiments of the vehicle clutch protection method of this application, and will not be repeated here.

[0128] It should be noted that the sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0129] The terms "comprise", "comprising", "include", "including", "have" and "having" and any variations thereof in the Specification and in the Claims herein are intended to cover both the singular and the plural unless the context dictates otherwise. For example, a process, method, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but can include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "first", "second", and "third" and the like, are used merely to distinguish one element from another and are not meant to denote a first, second, and third order of precedence or priority.

[0130] In the description of the embodiments of the present application, "exemplary", "for example", "e.g." or "for instance" are used on the basis that a proper name is an example, rather than an ideal. Any embodiment or design scheme described as "exemplary", "for example", or "for instance" in the embodiments of the present application should not be interpreted as being better than or superior to other embodiments or design schemes. Rather, the use of "exemplary", "for example", or "for instance" is intended to present relevant concepts in a concrete manner.

[0131] In the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in the text only describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that there are three cases of A alone, A and B together, and B alone. In addition, in the description of the embodiments of the present application, "multiple" means two or more than two.

[0132] In some of the processes described in the embodiments of the present application, a plurality of operations or steps are included in a specific order, but it should be understood that these operations or steps can be executed or performed in parallel or in an order different from that in which they appear in the embodiments of the present application. The serial number of the operation is only used to distinguish different operations, and the serial number itself does not represent any execution order. In addition, these processes can include more or fewer operations, and these operations or steps can be executed or performed in sequence or in parallel, and these operations or steps can be combined.

[0133] Those skilled in the art can clearly understand the above-mentioned embodiment method can be realized by means of software and the necessary general hardware platform, of course, can also be realized by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present application can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes a plurality of instructions for making a terminal device execute the method described in each embodiment of the present application.

[0134] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings of the present application, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A vehicle clutch protection method, characterized by, The vehicle clutch protection method comprises: After the vehicle engine is started, it is judged whether the clutch is in a half-driving state; If the clutch is in the half-driving state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is also met, a warning prompt is output, wherein the first condition is that the cumulative sliding friction work of the current half-driving condition is greater than a first preset threshold, the second condition is that the vehicle gear at the current time is not 1st gear and reverse gear, the third condition is that the duration of the current half-driving condition is greater than a second preset threshold, and the fourth condition is that the clutch speed difference at the current time is greater than a third preset threshold; A target time is set; At each time within a preset time period after the target time, if the cumulative sliding friction work from the target time to the current time is greater than a fourth preset threshold, a warning prompt is output, wherein the preset time period is greater than the second preset threshold, and the fourth preset threshold is greater than the first preset threshold.

2. The vehicle clutch protection method of claim 1, wherein, The step of setting the target time comprises: At the starting time of each half-driving condition, if there is no target time, the current time is taken as the target time; if there is a target time, and the interval from the target time to the current time is greater than the preset time period, the current time is taken as a new target time.

3. The vehicle clutch protection method of claim 1, wherein, After the step of setting the target time, the following steps are further included: The first cumulative value of the target time is set to zero; At each time within a preset time period after the target time, the first cumulative value of the last time is added to the product of the sliding friction power at the current time and the interval between adjacent times to obtain the first cumulative value at the current time, and the first cumulative value at the current time is taken as the cumulative sliding friction work from the target time to the current time.

4. The vehicle clutch protection method of claim 1, wherein, The step of outputting a warning prompt if the clutch is in the half-driving state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is also met comprises: If the clutch is in the half-driving state, it is detected whether the cumulative sliding friction work of the current half-driving condition is greater than the first preset threshold; If the cumulative sliding friction work of the current half-driving condition is greater than the first preset threshold, it is detected whether the vehicle gear at the current time is 1st gear or reverse gear; If the vehicle gear at the current time is not 1st gear and reverse gear, a first warning prompt is output; If the vehicle gear at the current time is 1st gear or reverse gear, it is detected whether the duration of the current half-driving condition is greater than the second preset threshold; If the duration of the current half-driving condition is greater than the second preset threshold, a second warning prompt is output; If the duration of the current half-driving condition is less than or equal to the second preset threshold, it is detected whether the clutch speed difference at the current time is greater than the third preset threshold; If the clutch speed difference at the current time is greater than the third preset threshold, a third warning prompt is output.

5. The vehicle clutch protection method of claim 1, wherein, The step of judging whether the clutch is in the half-driving state comprises: If the vehicle gear at the current time is not the neutral gear, the transmission input shaft speed at the current time is greater than a fifth preset threshold, and the clutch speed difference at the current time is greater than a sixth preset threshold, it is judged that the clutch is in the half-driving state at the current time.

6. The vehicle clutch protection method of claim 1, wherein, The vehicle clutch protection method further comprises: At each moment when the clutch is in the half-engagement state, a second cumulative value of the previous moment is added to a product of the current moment's slip power and the interval between adjacent moments to obtain a second cumulative value of the current moment, and the second cumulative value of the current moment is taken as the cumulative slip power of the current half-engagement working condition; When the clutch is not in the half-engagement state, the second cumulative value is set to zero.

7. A vehicle clutch protection device characterized by, The vehicle clutch protection device comprises: a state judgment module configured to judge whether the clutch is in the half-engagement state after the vehicle engine is started; a first early warning module configured to output a warning prompt if the clutch is in the half-engagement state, the first condition is met, and at least one of the second condition, the third condition and the fourth condition is met, wherein the first condition is that the cumulative slip power of the current half-engagement working condition is greater than a first preset threshold, the second condition is that the current gear of the vehicle is not the first gear or the reverse gear, the third condition is that the duration of the current half-engagement working condition is greater than a second preset threshold, and the fourth condition is that the current clutch speed difference is greater than a third preset threshold; a second early warning module configured to set a target moment, and output a warning prompt if the cumulative slip power from the target moment to the current moment is greater than a fourth preset threshold at each moment within a preset time period after the target moment, wherein the preset time period is greater than the second preset threshold, and the fourth preset threshold is greater than the first preset threshold.

8. A vehicle clutch protection apparatus characterized by comprising: The vehicle clutch protection device comprises a processor, a memory, and a vehicle clutch protection program stored on the memory and executable by the processor, wherein the vehicle clutch protection program, when executed by the processor, implements the steps of the vehicle clutch protection method according to any one of claims 1 to 6.

9. A readable storage medium, characterized by, The readable storage medium has a vehicle clutch protection program stored thereon, wherein the vehicle clutch protection program, when executed by a processor, implements the steps of the vehicle clutch protection method according to any one of claims 1 to 6.

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