Automobile suspension durability monitoring method, device, automobile, equipment and storage medium

Abstract

A method, apparatus, vehicle, equipment, and storage medium for monitoring vehicle suspension durability. This application relates to the field of vehicle powertrain suspension systems and specifically includes determining the initial distance between a distance sensor and a suspension bracket based on a preset suspension static load and a preset suspension initial stiffness; determining the real-time distance between the distance sensor and the suspension bracket based on a preset suspension static load and a preset suspension real-time stiffness; determining the suspension durability state based on the real-time distance, the initial distance, and a first coefficient when the engine is not started; and determining the suspension durability state based on the real-time distance and a preset limit distance between the distance sensor and the suspension bracket when the engine is started. This application eliminates the need to disassemble the suspension when implementing suspension durability monitoring and improves the efficiency and reliability of suspension durability testing.

Description

Technical Field

[0001] The present application relates to the field of automobile powertrain suspension systems, and in particular to an automobile suspension durability monitoring method, device, automobile, equipment and storage medium. Background Art

[0002] With the comprehensive development of current technology, the demand for the design and development of automotive powertrain suspension systems is increasing. However, existing technologies require that vehicles be stopped for inspection at regular intervals during road and endurance testing, and may even require disassembly of the suspension components or the entire suspension to verify the durability of the suspension during the current road test phase.

[0003] Therefore, for the design and development of automotive powertrain suspension systems, how to provide a suspension durability monitoring method without disassembling the suspension, thereby improving the efficiency and reliability of suspension durability testing, is an urgent problem that needs to be solved. Summary of the Invention

[0004] The present application provides a method, device, vehicle, equipment and storage medium for monitoring the durability of an automobile suspension, which can solve the technical problems of low efficiency of suspension durability testing and poor timeliness of durability monitoring in the prior art.

[0005] In a first aspect, an embodiment of the present application provides a method for monitoring the durability of an automobile suspension, the method comprising:

[0006] Determining an initial distance between the distance sensor and the suspension bracket based on a preset suspension static load force and a preset suspension initial stiffness;

[0007] Determine the real-time distance between the distance sensor and the suspension bracket based on the preset suspension static load force and the suspension real-time stiffness;

[0008] When the engine is in an unstarted state, determining a suspension durability state based on the real-time distance, the initial distance, and a first coefficient;

[0009] When the engine is in the starting state, the suspension durability state is determined based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket.

[0010] In combination with the first aspect, in one embodiment, determining the suspension durability state based on the real-time distance, the initial distance, and the first coefficient includes:

[0011] Calculating the initial distance and the first coefficient to obtain a calculation result;

[0012] A suspension durability state is determined based on the comparison between the real-time distance and the calculation result.

[0013] In combination with the first aspect, in one embodiment, determining the suspension durability state based on comparing the real-time distance with the calculation result includes:

[0014] If the real-time distance is less than or equal to the calculated result, the suspension durability is determined to be unqualified;

[0015] If the real-time distance is greater than the calculated result, it is determined that the suspension durability is qualified.

[0016] In combination with the first aspect, in one embodiment, the preset limit distance includes a first distance and a second distance, and the first distance is smaller than the second distance, wherein the first distance and the second distance are determined based on a design structure of the suspension.

[0017] In combination with the first aspect, in one embodiment, determining the suspension durability state based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket includes:

[0018] When the real-time distance is greater than the first distance or the real-time distance is less than the second distance, it is determined that the suspension durability is qualified;

[0019] When the real-time distance is not greater than the first distance or the real-time distance is not less than the second distance, the suspension durability state is determined based on the destructibility of the suspension.

[0020] In combination with the first aspect, in one embodiment, determining the suspension durability state based on the damage of the suspension includes:

[0021] If the suspension is damaged, the durability of the suspension is judged to be unqualified;

[0022] If there is no damage to the suspension, the suspension durability is judged to be qualified.

[0023] In a second aspect, the present application provides a vehicle suspension durability monitoring device, the vehicle suspension durability monitoring device comprising:

[0024] A data acquisition module, which is used to obtain a preset initial stiffness of the suspension, a preset static load of the suspension, and a real-time stiffness of the suspension;

[0025] A first processing module, configured to determine an initial distance between the distance sensor and the suspension bracket based on the suspension static load force and the suspension initial stiffness;

[0026] A second processing module is used to determine the real-time distance between the distance sensor and the suspension bracket based on the static load force of the suspension and the real-time stiffness of the suspension;

[0027] a third processing module, configured to determine a suspension durability state based on the real-time distance, the initial distance, and a first coefficient when the engine is in an unstarted state;

[0028] The fourth processing module is configured to determine the suspension durability state based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket when the engine is in the starting state.

[0029] In a third aspect, the present application provides a vehicle including a vehicle suspension durability monitoring device, the vehicle comprising:

[0030] A sensor module, which is used to obtain a preset initial stiffness of the suspension, a preset static load force of the suspension, and a real-time stiffness of the suspension;

[0031] A first processing module, configured to determine an initial distance between the distance sensor and the suspension bracket based on the suspension static load force and the suspension initial stiffness;

[0032] A second processing module is used to determine the real-time distance between the distance sensor and the suspension bracket based on the static load force of the suspension and the real-time stiffness of the suspension;

[0033] a third processing module, configured to determine a suspension durability state based on the real-time distance, the initial distance, and a first coefficient when the engine is in an unstarted state;

[0034] The fourth processing module is configured to determine the suspension durability state based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket when the engine is in the starting state.

[0035] In a fourth aspect, an embodiment of the present application provides a vehicle suspension durability monitoring device, which includes a processor, a memory, and a vehicle suspension durability monitoring program stored in the memory and executable by the processor, wherein when the vehicle suspension durability monitoring program is executed by the processor, the steps of the vehicle suspension durability monitoring method as described in any of the above items are implemented.

[0036] In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, on which a vehicle suspension durability monitoring program is stored, wherein when the vehicle suspension durability monitoring program is executed by a processor, the steps of the vehicle suspension durability monitoring method as described in any of the foregoing items are implemented.

[0037] The beneficial effects of the technical solutions provided in the embodiments of the present application include:

[0038] The initial distance between the distance sensor and the suspension arm and the real-time distance between the distance sensor and the suspension arm are determined based on preset parameters and real-time monitoring data, wherein the preset parameters include a preset suspension initial stiffness and a preset suspension static load force, and the real-time monitoring data include the real-time stiffness of the suspension; and the suspension durability state is judged in combination with the engine state, that is, when the engine is not started, the suspension durability state is determined based on the real-time distance, the initial distance and the first coefficient; when the engine is started, the suspension durability state is judged in a timely manner by comparing the size relationship between the real-time distance and the preset limit distance, thereby accurately reflecting the actual condition of the suspension system, thereby improving the timeliness of monitoring, and there is no need to frequently stop the vehicle for inspection or disassemble the suspension for durability monitoring, which greatly improves the efficiency of the suspension durability test. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic diagram of the first process of an embodiment of the vehicle suspension durability monitoring method of the present application;

[0040] Figure 2 This is a first structural schematic diagram of the device corresponding to the vehicle suspension durability monitoring method of the present application;

[0041] Figure 3 This is a second structural schematic diagram of the device corresponding to the vehicle suspension durability monitoring method of the present application;

[0042] Figure 4 This is a second flow chart of the vehicle suspension durability monitoring method of the present application;

[0043] Figure 5 This is a schematic diagram of the functional modules of an embodiment of the vehicle suspension durability monitoring device of the present application;

[0044] Figure 6 This is a schematic diagram of the hardware structure of the automobile suspension durability monitoring equipment involved in the embodiment of the present application.

[0045] In the figure: 1. Suspension support; 2. Suspension arm; 3. Fixing bolt; 4. Sensor mounting bracket; 5. Fastening nut; 6. Distance sensor. DETAILED DESCRIPTION

[0046] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0047] In order to make the objectives, technical solutions and advantages of this application clearer, the implementation methods of this application will be further described in detail below with reference to the accompanying drawings.

[0048] In a first aspect, an embodiment of the present application provides a method for monitoring the durability of an automobile suspension.

[0049] In one embodiment, referring to Figure 1 , Figure 1 This is a flow chart of an embodiment of the vehicle suspension durability monitoring method of this application. Figure 1 As shown, the vehicle suspension durability monitoring method includes:

[0050] Step S10: determining an initial distance between the distance sensor and the suspension bracket based on a preset suspension static load force and a preset suspension initial stiffness.

[0051] For example, in the embodiment of the present application, the specific values ​​of the preset initial suspension stiffness and the preset static suspension load can be determined according to actual needs and are not limited herein. The initial distance between the distance sensor and the suspension arm can be determined based on the static suspension load and the initial suspension stiffness.

[0052] Specifically, the initial distance between the distance sensor and the suspension arm is obtained by substituting the suspension static load force and the suspension initial stiffness into the following calculation formula:

[0053] Z0=F0 / K0

[0054] Where F0 is the static load of the suspension; K0 is the initial stiffness of the suspension; and Z0 is the initial distance between the distance sensor and the suspension arm.

[0055] Step S20: Determine the real-time distance between the distance sensor and the suspension bracket based on the preset suspension static load force and the suspension real-time stiffness.

[0056] For example, in the embodiment of the present application, the real-time distance between the distance sensor and the suspension bracket can be determined based on the static load force of the suspension and the real-time stiffness of the suspension. Specifically, the real-time distance between the distance sensor and the suspension bracket is obtained by substituting the static load force of the suspension and the real-time stiffness of the suspension into the following calculation formula:

[0057] Z=F0 / K

[0058] Where F0 is the static load of the suspension; K is the initial stiffness of the suspension; and Z is the initial distance between the distance sensor and the suspension arm.

[0059] Step S30: When the engine is in an unstarted state, determining a suspension durability state based on the real-time distance, the initial distance, and a first coefficient.

[0060] For example, in the embodiment of the present application, since the engine may jump when started and the mount may deform due to compression when the engine is not started, the distance threshold between the distance sensor and the mount arm is different for different engine states. Therefore, the mount durability state can be evaluated based on the relationship between the real-time distance between the distance sensor and the mount arm and different distance thresholds, thereby improving the efficiency of the mount durability test. Specifically, when the engine is not started, the initial distance is divided by the first coefficient to obtain a value, and the relationship between the real-time distance and this value is determined to determine the mount durability state.

[0061] It should be noted that the first coefficient can be determined based on actual needs and is not limited here. It can also be calculated based on relevant parameters. For example, in the embodiment of the present application, the first coefficient can be calculated based on the initial stiffness, real-time stiffness, initial distance, real-time distance, and a preset suspension stiffness change threshold of the suspension. Specifically, the suspension durability judgment standard is: the suspension stiffness change does not exceed 20%. Therefore, the difference between the real-time suspension stiffness and the initial suspension stiffness and the relationship between the initial suspension stiffness must meet the following conditions:

[0062] (K-K0) / K0≤0.2

[0063] Where K is the initial stiffness of the mount; K0 is the initial stiffness of the mount; and 0.2 is the threshold for the change in the mount stiffness. It is understood that the calculation formula for the initial distance is as follows:

[0064] Z0=F0 / K0

[0065] The calculation formula of real-time distance is as follows:

[0066] Z=F0 / K

[0067] By combining the above calculation formulas, we can obtain the durability qualification condition: Z≥Z0 / 1.2, and the first coefficient is 1.2.

[0068] Step S40: When the engine is in the starting state, the suspension durability state is determined based on the real-time distance and the preset limit distance between the distance sensor and the suspension bracket.

[0069] For example, in the embodiment of the present application, the preset limit distance can be determined according to actual needs and is not limited here. Specifically, the preset limit distance includes the first distance (i.e., the minimum distance Z from the distance sensor to the suspension arm). min ) and the second distance (i.e. the maximum distance Z from the sensor to the suspension arm) max When the engine is in the starting state, the suspension durability state is determined according to the magnitude relationship between the real-time distance and the first distance and the magnitude relationship between the real-time distance and the second distance.

[0070] It should be noted that, referring to Figure 2 and Figure 3 As shown, the device corresponding to the automobile suspension durability monitoring method in the embodiment of the present application includes a suspension support 1, a distance sensor 6, a sensor mounting bracket 4, a fastening bolt 3 and a fastening nut 5; specifically, the distance sensor 6 is fixed to the upper surface of the suspension support 1 through the sensor mounting bracket 4, the fastening bolt 3 and the fastening nut 5; it should be noted that the sensor is installed above the suspension arm 2 at the active end, and the data can be monitored and recorded by connecting the vehicle display device through the sensor signal line.

[0071] The present application determines the initial distance between the distance sensor and the suspension arm and the real-time distance between the distance sensor and the suspension arm based on preset parameters and real-time monitoring data, wherein the preset parameters include a preset suspension initial stiffness and a preset suspension static load force, and the real-time monitoring data includes the real-time stiffness of the suspension; and judges the suspension durability state in combination with the engine state, that is, when the engine is not started, the suspension durability state is determined based on the real-time distance, the initial distance and the first coefficient; when the engine is started, the suspension durability state is judged in a timely manner by comparing the size relationship between the real-time distance and the preset limit distance, thereby accurately reflecting the actual condition of the suspension system, thereby improving the timeliness of monitoring, and eliminating the need for frequent parking inspections or disassembly of the suspension for durability monitoring, greatly improving the efficiency of the suspension durability test.

[0072] Furthermore, in one embodiment, determining the suspension durability state based on the real-time distance, the initial distance, and the first coefficient includes:

[0073] Calculating the initial distance and the first coefficient to obtain a calculation result;

[0074] A suspension durability state is determined based on the comparison between the real-time distance and the calculation result.

[0075] Exemplarily, in the embodiment of the present application, the quotient of the initial distance Z0 and the first coefficient 1.2 is calculated to obtain a calculation result E=Z0 / 1.2; and then the durability state of the suspension is determined based on the size relationship between the real-time distance and the calculation result E.

[0076] Furthermore, in one embodiment, determining the suspension durability state based on the comparison between the real-time distance and the calculation result includes:

[0077] If the real-time distance is less than or equal to the calculated result, the suspension durability is determined to be unqualified;

[0078] If the real-time distance is greater than the calculated result, it is determined that the suspension durability is qualified.

[0079] For example, in the embodiment of the present application, refer to Figure 4 As shown, when the actual vehicle is in use and the engine is not started, the vehicle is at rest. The real-time distance Z between the distance sensor and the suspension arm can be obtained through a power-on test. If Z ≤ E, the suspension stiffness changes by more than 20%, indicating that the suspension durability does not meet the standard, that is, there is a risk of failure and a new suspension needs to be replaced. If Z > E, the suspension stiffness changes by no more than 20%, indicating that the suspension durability is qualified and the suspension does not need to be replaced.

[0080] Specifically, during actual vehicle use, even when the engine is not running and the vehicle is stationary, the power-on test accurately measures the real-time distance Z between the distance sensor and the suspension arm. A key advantage of this test is its ability to promptly identify changes in suspension stiffness, effectively assessing the durability of the suspension. A detected stiffness change exceeding 20% ​​indicates that the suspension system's performance has fallen below standard requirements, posing a risk of failure and requiring prompt replacement of new suspension components.

[0081] It should be noted that this real-time durability assessment method can not only reduce vehicle maintenance costs, but also significantly improve the safety and reliability of vehicle operation. It avoids accidents that may be caused by suspension failure, thereby ensuring the safety of drivers and passengers. Compared with the traditional periodic replacement method, the assessment method based on real-time data is more accurate and economical. It can detect problems in the suspension system in a timely manner before they occur and take necessary maintenance measures, thereby effectively optimizing the overall maintenance management process. In summary, the use of the suspension durability assessment method in the embodiment of the present application can not only extend the service life of the suspension system, but also improve the overall performance and operating efficiency of the vehicle, providing drivers with a safer and more reliable driving experience.

[0082] It can be understood that the suspension durability monitoring method in the embodiment of the present application not only effectively evaluates the status of the suspension system, but also significantly reduces the operational complexity and the frequency of parking inspections during the durability test.

[0083] Furthermore, in one embodiment, the preset limit distance includes a first distance and a second distance, and the first distance is smaller than the second distance, wherein the first distance and the second distance are determined based on a design structure of the suspension.

[0084] Exemplarily, in an embodiment of the present application, the preset limit distance includes a first distance and a second distance, the first distance is the initial state distance of the suspension system under static conditions, and the second distance is the maximum distance of the suspension system when it bears the maximum design load, wherein the specific values ​​of the first distance and the second distance are determined by the design structure of the suspension.

[0085] Specifically, the distance between the suspension arm and the distance sensor is used as a standard. Under this standard, the maximum distance Z between the suspension arm and the distance sensor is max The second distance is 12 mm, and for engineering design requirements or safety considerations, this maximum distance can ensure that the suspension arm is not too far away from the distance sensor to maintain the normal function and performance of the system. min (ie the first distance) is 2 mm. This minimum distance can avoid collision or interference between the suspension arm and the distance sensor, thereby ensuring the stability and accuracy of the system.

[0086] As you can see, setting maximum and minimum distances not only improves system operational safety but also reduces potential equipment damage. By ensuring the proper distance between the suspension arm and the distance sensor, equipment damage or performance degradation due to improper distances can be effectively prevented. Furthermore, these standards not only play a key role during installation but also provide a clear reference for subsequent system maintenance and adjustments. Maintaining a good distance between the suspension arm and the distance sensor helps maintain consistency and reliability throughout the system's service life.

[0087] Furthermore, in one embodiment, the determining of the suspension durability state based on the comparison of the real-time distance and a preset limit distance between the distance sensor and the suspension bracket includes:

[0088] When the real-time distance is greater than the first distance or the real-time distance is less than the second distance, it is determined that the suspension durability is qualified;

[0089] When the real-time distance is not greater than the first distance or the real-time distance is not less than the second distance, the suspension durability state is determined based on the destructibility of the suspension.

[0090] For example, in the embodiment of the present application, refer to Figure 4 As shown, when the vehicle is in use, the engine is started, and the vehicle is in an idling state or in a normal operation process, the distance Z from the distance sensor to the suspension arm can be obtained through power-on testing; if Z>Z min or Z <Z max , it means that the durability of the suspension is qualified and there is no need to replace the suspension; if Z≤Z min or Z ≥ Z max , then it is necessary to check the suspension system and judge the durability of the suspension based on the damage of the suspension.

[0091] It should be noted that the embodiment of the present application utilizes real-time distance testing and feedback mechanisms to ensure the stability and reliability of the suspension system when the engine is started; and through timely durability evaluation, it effectively prevents possible failures and damage to the suspension system, improves the operational safety and performance assurance of the entire vehicle, and optimizes the maintenance management process.

[0092] Furthermore, in one embodiment, the determining of the suspension durability state based on the damage of the suspension includes:

[0093] If the suspension is damaged, the durability of the suspension is judged to be unqualified;

[0094] If there is no damage to the suspension, the suspension durability is judged to be qualified.

[0095] For example, in the embodiment of the present application, if there is no damage to the suspension (i.e., there is no cracking of the frame, cracking and falling of the rubber, etc.), it means that the durability of the suspension is qualified and there is no need to replace the suspension, and it is necessary to check the status of other systems such as the vehicle body suspension mounting bracket; if there is damage to the suspension (i.e., there is cracking of the frame, cracking and falling of the rubber, etc.), it means that the durability of the suspension is unqualified and the suspension needs to be replaced.

[0096] It should be noted that the embodiments of this application accurately assess durability by detecting damage to the suspension system. Undamaged suspension systems do not need to be replaced, and only other related systems need to be checked. Damaged suspensions can be identified and replaced promptly, effectively reducing maintenance costs and improving vehicle safety and reliability.

[0097] It can be understood that according to the automobile suspension durability monitoring method in the embodiment of the present application, in the process of verifying the road test durability of the whole vehicle, there is no need to regularly dismantle the suspension or other components near the suspension to check the suspension durability, which reduces the project's early development costs and project cycle; and the monitoring method can accurately record detailed data on the suspension road test durability during the road test phase, which can handle problems more quickly; the monitoring method can also be applied to mass-produced models, and the durability failure of the suspension system can be promptly fed back to the owner to remind the owner to replace the suspension in time, thereby improving the driving comfort of the whole vehicle.

[0098] In a second aspect, an embodiment of the present application also provides a vehicle suspension durability monitoring device.

[0099] In one embodiment, referring to Figure 5 , Figure 5 This is a functional module diagram of an embodiment of the vehicle suspension durability monitoring device of this application. Figure 5 As shown, the automobile suspension durability monitoring device includes:

[0100] A first processing module, configured to determine an initial distance between the distance sensor and the suspension bracket based on a preset suspension static load force and a preset suspension initial stiffness;

[0101] A second processing module is used to determine the real-time distance between the distance sensor and the suspension bracket based on the preset suspension static load force and the suspension real-time stiffness;

[0102] a third processing module, configured to determine a suspension durability state based on the real-time distance, the initial distance, and a first coefficient when the engine is in an unstarted state;

[0103] The fourth processing module is configured to determine the suspension durability state based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket when the engine is in the starting state.

[0104] Furthermore, in one embodiment, the third processing module is specifically configured to:

[0105] Calculating the initial distance and the first coefficient to obtain a calculation result;

[0106] A suspension durability state is determined based on the comparison between the real-time distance and the calculation result.

[0107] Furthermore, in one embodiment, the third processing module is further configured to:

[0108] If the real-time distance is less than or equal to the calculated result, the suspension durability is determined to be unqualified;

[0109] If the real-time distance is greater than the calculated result, it is determined that the suspension durability is qualified.

[0110] Furthermore, in one embodiment, the fourth processing module is specifically configured to:

[0111] The preset limit distance includes a first distance and a second distance, and the first distance is smaller than the second distance, wherein the first distance and the second distance are determined based on a design structure of the suspension.

[0112] Furthermore, in one embodiment, the fourth processing module is further configured to:

[0113] When the real-time distance is greater than the first distance or the real-time distance is less than the second distance, it is determined that the suspension durability is qualified;

[0114] When the real-time distance is not greater than the first distance or the real-time distance is not less than the second distance, the suspension durability state is determined based on the destructibility of the suspension.

[0115] Furthermore, in one embodiment, the fourth processing module is further configured to:

[0116] If the suspension is damaged, the durability of the suspension is judged to be unqualified;

[0117] If there is no damage to the suspension, the suspension durability is judged to be qualified.

[0118] The present application determines the initial distance between the distance sensor and the suspension arm and the real-time distance between the distance sensor and the suspension arm based on preset parameters and real-time monitoring data, wherein the preset parameters include a preset suspension initial stiffness and a preset suspension static load force, and the real-time monitoring data includes the real-time stiffness of the suspension; and judges the suspension durability state in combination with the engine state, that is, when the engine is not started, the suspension durability state is determined based on the real-time distance, the initial distance and the first coefficient; when the engine is started, the suspension durability state is judged in a timely manner by comparing the size relationship between the real-time distance and the preset limit distance, thereby accurately reflecting the actual condition of the suspension system, thereby improving the timeliness of monitoring, and eliminating the need for frequent parking inspections or disassembly of the suspension for durability monitoring, greatly improving the efficiency of the suspension durability test.

[0119] The functional implementation of each module in the above-mentioned vehicle suspension durability monitoring device corresponds to each step in the above-mentioned vehicle suspension durability monitoring method embodiment, and their functions and implementation processes are not repeated here one by one.

[0120] On the third aspect, the present application provides a vehicle including a vehicle suspension durability monitoring device. The functional implementation of each module in the above-mentioned vehicle corresponds to the various steps in the above-mentioned vehicle suspension durability monitoring method embodiment, and its functions and implementation processes will not be repeated here one by one.

[0121] In a fourth aspect, an embodiment of the present application provides a vehicle suspension durability monitoring device, which may be a personal computer (PC), a laptop computer, a server, or other device with data processing capabilities.

[0122] Reference Figure 6 , Figure 6 Schematic diagram of the hardware structure of the vehicle suspension durability monitoring device involved in the embodiment of the present application. In the embodiment of the present application, the vehicle suspension durability monitoring device may include a processor, a memory, a communication interface and a communication bus.

[0123] The communication bus may be of any type and is used to interconnect the processor, memory, and communication interface.

[0124] Communication interfaces include input / output (I / O), physical, and logical interfaces, used to interconnect components within the vehicle suspension durability monitoring system, as well as interfaces used to interconnect the vehicle suspension durability monitoring system with other devices (such as other computing devices or user devices). Physical interfaces can include Ethernet, fiber optic, and ATM interfaces; user devices can include displays and keyboards.

[0125] The 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.

[0126] The processor may be a general-purpose processor that can invoke a vehicle suspension durability monitoring program stored in a memory and execute the vehicle suspension durability monitoring method provided in the embodiments of the present application. For example, the general-purpose processor may be a central processing unit (CPU). The methods executed when the vehicle suspension durability monitoring program is invoked can be referenced to the various embodiments of the vehicle suspension durability monitoring method of the present application and will not be further described here.

[0127] Those skilled in the art will understand that Figure 6 The hardware structure shown in the figure does not constitute a limitation to the present application and may include more or fewer components than shown in the figure, or a combination of certain components, or a different arrangement of components.

[0128] In a fifth aspect, an embodiment of the present application also provides a storage medium.

[0129] The vehicle suspension durability monitoring program is stored on the readable storage medium of the present application, wherein when the vehicle suspension durability monitoring program is executed by the processor, the steps of the vehicle suspension durability monitoring method as described above are implemented.

[0130] Among them, the method implemented when the automobile suspension durability monitoring program is executed can refer to the various embodiments of the automobile suspension durability monitoring method of the present application, and will not be repeated here.

[0131] The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes steps or units that are not listed, or optionally includes other steps or units inherent to these processes, methods, products or devices. The terms "first", "second" and "third" are used to distinguish different objects, etc., and do not represent a sequence, nor do they limit the "first", "second" and "third" to different types.

[0132] In the description of the embodiments of this application, the words "exemplary," "for example," or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary," "for example," or "for example" in the embodiments of this application should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary," "for example," or "for example" is intended to present the relevant concepts in a concrete manner.

[0133] 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 is merely a description of the association relationship of associated objects, indicating that three relationships may exist, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present application, “multiple” refers to two or more than two.

[0134] In some processes described in the embodiments of the present application, multiple operations or steps are included that appear in a specific order. However, it should be understood that these operations or steps may not be performed in the order in which they appear in the embodiments of the present application or may be performed in parallel. The sequence numbers of the operations are only used to distinguish between different operations, and the sequence numbers themselves do not represent any order of execution. In addition, these processes may include more or fewer operations, and these operations or steps may be performed in sequence or in parallel, and these operations or steps may be combined.

[0135] It should be noted that the serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0136] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus the necessary general hardware platform, of course, it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, 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 number of instructions for enabling a terminal device to execute the methods described in each embodiment of the present application.

[0137] The above are only preferred embodiments of the present application and do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for monitoring the durability of an automobile suspension, characterized in that: The vehicle suspension durability monitoring method comprises: Determining an initial distance between the distance sensor and the suspension bracket based on a preset suspension static load force and a preset suspension initial stiffness; Determine the real-time distance between the distance sensor and the suspension bracket based on the preset suspension static load force and the suspension real-time stiffness; When the engine is in an unstarted state, determining a suspension durability state based on the real-time distance, the initial distance, and a first coefficient; When the engine is in the starting state, the suspension durability state is determined based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket.

2. The vehicle suspension durability monitoring method according to claim 1, wherein: The determining of the suspension durability state based on the real-time distance, the initial distance, and the first coefficient includes: Calculating the initial distance and the first coefficient to obtain a calculation result; A suspension durability state is determined based on the comparison between the real-time distance and the calculation result.

3. The vehicle suspension durability monitoring method according to claim 2, characterized in that: The determining the suspension durability state based on the comparison between the real-time distance and the calculation result includes: If the real-time distance is less than or equal to the calculated result, the suspension durability is determined to be unqualified; If the real-time distance is greater than the calculated result, it is determined that the suspension durability is qualified.

4. The vehicle suspension durability monitoring method according to claim 1, wherein: The preset limit distance includes a first distance and a second distance, and the first distance is smaller than the second distance, wherein the first distance and the second distance are determined based on a design structure of the suspension.

5. The vehicle suspension durability monitoring method according to claim 4, characterized in that: The determining of the suspension durability state based on the comparison of the real-time distance and the preset limit distance between the distance sensor and the suspension bracket includes: When the real-time distance is greater than the first distance or the real-time distance is less than the second distance, it is determined that the suspension durability is qualified; When the real-time distance is not greater than the first distance or the real-time distance is not less than the second distance, the suspension durability state is determined based on the destructibility of the suspension.

6. The vehicle suspension durability monitoring method according to claim 5, characterized in that: The determining of the suspension durability state based on the damage of the suspension includes: If the suspension is damaged, the durability of the suspension is judged to be unqualified; If there is no damage to the suspension, the suspension durability is judged to be qualified.

7. An automobile suspension durability monitoring device, characterized in that: The vehicle suspension durability monitoring device comprises: A data acquisition module, which is used to obtain a preset initial stiffness of the suspension, a preset static load of the suspension, and a real-time stiffness of the suspension; A first processing module, configured to determine an initial distance between the distance sensor and the suspension bracket based on the suspension static load force and the suspension initial stiffness; A second processing module is used to determine the real-time distance between the distance sensor and the suspension bracket based on the static load force of the suspension and the real-time stiffness of the suspension; a third processing module, configured to determine a suspension durability state based on the real-time distance, the initial distance, and a first coefficient when the engine is in an unstarted state; The fourth processing module is configured to determine the suspension durability state based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket when the engine is in the starting state.

8. A vehicle comprising a vehicle suspension durability monitoring device, characterized in that: The car includes: A sensor module, which is used to obtain a preset initial stiffness of the suspension, a preset static load force of the suspension, and a real-time stiffness of the suspension; A first processing module, configured to determine an initial distance between the distance sensor and the suspension bracket based on the suspension static load force and the suspension initial stiffness; A second processing module is used to determine the real-time distance between the distance sensor and the suspension bracket based on the static load force of the suspension and the real-time stiffness of the suspension; a third processing module, configured to determine a suspension durability state based on the real-time distance, the initial distance, and a first coefficient when the engine is in an unstarted state; The fourth processing module is configured to determine the suspension durability state based on the comparison between the real-time distance and a preset limit distance between the distance sensor and the suspension bracket when the engine is in the starting state.

9. An automobile suspension durability monitoring device, characterized in that: The vehicle suspension durability monitoring device includes a processor, a memory, and a vehicle suspension durability monitoring program stored in the memory and executable by the processor, wherein when the vehicle suspension durability monitoring program is executed by the processor, the steps of the vehicle suspension durability monitoring method as described in any one of claims 1 to 6 are implemented.

10. A computer-readable storage medium, characterized in that The computer-readable storage medium stores a vehicle suspension durability monitoring program, wherein when the vehicle suspension durability monitoring program is executed by a processor, the steps of the vehicle suspension durability monitoring method according to any one of claims 1 to 6 are implemented.

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