Tractor tire pressure management method and system, terminal and storage medium

Abstract

The invention belongs to the technical field of agricultural mechanical equipment management, and particularly relates to a tractor tire pressure management method and system, a terminal and a storage medium, and the method comprises the steps: calculating the actual bearing demand of each tire according to the whole tractor configuration, the use machine information, the operation condition and the corresponding highest operation speed; and according to the actual bearing requirement of each tire, analyzing by combining a pre-stored tire bearing and tire pressure association relationship to obtain recommended tire pressure ranges corresponding to front and rear wheels. According to the method, the actual bearing requirement of each tire is accurately calculated by comprehensively considering the whole tractor configuration, the use machine tool information, the working condition and the highest working speed, and the optimal tire pressure range is recommended accordingly. Compared with a traditional tire pressure management mode depending on artificial experience, the tire pressure management method can ensure that tire pressure setting better meets the actual operation requirement, the performance of the tractor is fully played, and the operation efficiency is remarkably improved.

Description

Technical Field

[0001] This invention belongs to the field of agricultural machinery and equipment management technology, specifically relating to a tractor tire pressure management method, system, terminal, and storage medium. Background Technology

[0002] Tractors are essential agricultural machinery in production, and their operational efficiency is a key factor. Tires, as the crucial component in contact with the ground, directly affect the tractor's performance and efficiency through their tire pressure. Excessive or insufficient tire pressure not only leads to accelerated tire wear and shortened lifespan but also impacts the tractor's stability, traction, and fuel economy, ultimately reducing operational efficiency.

[0003] However, traditional tractor tire pressure management methods often rely on manual experience and cannot determine the optimal tire pressure based on the actual working conditions such as the tractor's overall configuration and the equipment used. This can lead to tire pressure settings deviating from actual needs, failing to fully utilize the tractor's performance, and even damaging the tires due to improper tire pressure, thus affecting the quality of work. Summary of the Invention

[0004] To address the shortcomings of existing technologies that rely on manual experience to manage tractor tires, which can lead to tire pressure settings deviating from actual needs, failing to fully utilize the tractor's performance, and even potentially damaging the tires and affecting work quality, this invention provides a tractor tire pressure management method, system, terminal, and storage medium to solve the aforementioned technical problems.

[0005] In a first aspect, the present invention provides a tractor tire pressure management method, comprising: Based on the tractor's overall configuration, the information on the implements used, the working conditions, and the corresponding maximum working speed, the actual load-bearing requirements of each tire are calculated. Based on the actual load requirements of each tire, and combined with the pre-stored correlation between tire load and tire pressure, the recommended tire pressure range for the front and rear tires is obtained. The tire pressure is monitored in real time by a tire pressure sensor, and the monitored tire pressure signal is fed back to the controller. The controller matches and analyzes the monitored tire pressure with the recommended tire pressure range. When the monitored tire pressure is not within the recommended range, it issues an alarm and inflates or deflates the tire to adjust the tire pressure of the tire that issued the alarm.

[0006] Further improvements to this technical solution include the following steps for calculating the actual load-bearing requirements of each tire: Obtain the preset overall configuration information, including the vehicle wheelbase b, unloaded front axle load MF and unloaded rear axle load MR, the number of front axle tires Nf, the number of rear axle tires Nr, the arrangement of front axle tires Af and the arrangement of rear axle tires Ar; Obtain information about the implements in use, including implement type, implement weight BR, and the distance d from the implement's center of gravity to the tractor's rear suspension point; Obtain the work conditions and corresponding maximum work speed. The work conditions include the work type and real-time work speed. Based on the working conditions and equipment information, the user obtains the pre-stored front counterweight weight BF, rear counterweight weight BB, distance a from the front counterweight center of gravity to the front axle, and distance c from the tractor rear suspension point to the rear axle. The loaded front axle mass MPF is calculated based on the front counterweight weight BF, the unloaded front axle load MF, the implement weight BR, the distance a from the front counterweight center of gravity to the front axle, the vehicle wheelbase b, the distance c from the tractor rear suspension point to the rear axle, and the distance d from the implement center of gravity to the tractor rear suspension point. The loaded rear axle mass MPR is calculated based on the unloaded rear axle load MR, rear counterweight weight BB, implement weight BR, front counterweight weight BF, distance a from the front counterweight center of gravity to the front axle, vehicle wheelbase b, distance c from the tractor rear suspension point to the rear axle, and distance d from the implement center of gravity to the tractor rear suspension point. The actual load requirement MLTf for each front axle tire is calculated based on the loaded front axle mass MPF, the number of front axle tires Nf, the arrangement of the front axle tires Af, the maximum operating speed, and the real-time operating speed. The actual load requirement MLTr for each rear axle tire is calculated based on the loaded rear axle mass MPR, the number of rear axle tires Nr, the rear axle tire arrangement Ar, the maximum operating speed, and the real-time operating speed.

[0007] A further improvement to this technical solution is that the formula for calculating the loaded front axle mass (MPF) of the tractor is as follows: .

[0008] A further improvement to this technical solution is that the formula for calculating the actual load requirement MLTf for each front axle tire is as follows: ; in, The adjustment coefficient for the load-bearing capacity and speed of the front axle tires is determined by the maximum operating speed, real-time operating speed, and the front axle tire specifications in the overall machine configuration information.

[0009] A further improvement to this technical solution is that the formula for calculating the loaded rear axle mass (MPR) of the tractor is as follows: .

[0010] A further improvement to this technical solution is that the calculation formula for the actual load requirement MLTr of each rear axle tire is as follows: ; in, The adjustment coefficient for the load-bearing capacity and speed of the rear axle tires is determined by the maximum operating speed, real-time operating speed, and the rear axle tire specifications in the overall machine configuration information.

[0011] Further improvements to this technical solution include analyzing the pre-stored relationship between tire load and tire pressure based on the actual load requirements of each tire to obtain the recommended tire pressure range for the front and rear tires. The method includes: Receive actual load demand data for each tire, including the actual load demand MLTf for each front axle tire and the actual load demand MLTr for each rear axle tire; Access the pre-stored tire load and tire pressure relationship in the database, which contains recommended tire pressure values ​​for different tire sizes under different load conditions; Based on the actual load requirement MLTf of each front axle tire and the actual load requirement MLTr of each rear axle tire, the corresponding recommended tire pressure values ​​are retrieved from the database; and the recommended tire pressure range for each front axle tire and each rear axle tire is output.

[0012] In a second aspect, the present invention provides a tractor tire pressure management system, comprising: The actual load-bearing capacity calculation module is used to calculate the actual load-bearing capacity of each tire based on the tractor's overall configuration, implement information, operating conditions, and corresponding maximum operating speed. The tire pressure range recommendation module is used to analyze the actual load requirements of each tire and the pre-stored tire load and tire pressure correlation to obtain the recommended tire pressure range for the front and rear tires. The communication module is used to feed back the tire pressure signal monitored in real time by the tire pressure sensor to the central processing unit; The central processing unit is used to match and analyze the monitored tire pressure with the recommended tire pressure range. When the monitored tire pressure is not within the recommended range, it issues an alarm and inflates or deflates the tire to adjust the tire pressure of the tire that issued the alarm.

[0013] Thirdly, the present invention provides a terminal, comprising: Processor, memory, among which, This memory is used to store computer programs. The processor is used to retrieve and run the computer program from memory, causing the terminal to perform the terminal method described above.

[0014] Fourthly, the present invention provides a computer storage medium storing instructions that, when executed on a computer, cause the computer to perform the methods described in the above aspects.

[0015] The beneficial effects of this invention are as follows: This invention comprehensively considers the tractor's overall configuration, implement information, operating conditions, and maximum operating speed to accurately calculate the actual load requirements of each tire and recommend the optimal tire pressure range accordingly. Compared to traditional tire pressure management methods that rely on manual experience, this invention ensures that tire pressure settings are more closely aligned with actual operating needs, fully utilizing tractor performance and significantly improving operating efficiency.

[0016] This invention utilizes tire pressure sensors to monitor tire pressure in real time and performs matching analysis with recommended tire pressure ranges through a controller to achieve dynamic adjustment of tire pressure. When working conditions change (such as changing tools), the system can automatically adjust the tire pressure to the optimal state without manual intervention, improving the flexibility and adaptability of operations. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic flowchart illustrating a method according to an embodiment of the present invention.

[0019] Figure 2 This is a schematic diagram of a tractor without load.

[0020] Figure 3 This is a schematic diagram of a tractor under load.

[0021] Figure 4 This is a schematic block diagram of a system according to an embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of the structure of a terminal provided in an embodiment of the present invention.

[0023] 410 is the tire actual load requirement calculation module, 420 is the tire pressure range recommendation module, 430 is the communication module, and 440 is the central processing unit. Detailed Implementation

[0024] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0026] Figure 1 This is a schematic flowchart of the tractor tire pressure management method provided by the present invention. Figure 1 The implementing entity can be a tractor tire pressure management system. Depending on different requirements, the order of the steps in this flowchart can be changed, and some steps can be omitted.

[0027] like Figure 1 As shown, the method includes: Step 110: Calculate the actual load requirement of each tire based on the tractor's overall configuration, implement information, operating conditions, and corresponding maximum operating speed. Step 120: Based on the actual load requirements of each tire, and combined with the pre-stored tire load and tire pressure correlation, analyze to obtain the recommended tire pressure range for the front and rear tires. Step 130: Monitor the tire pressure of the tires in real time using the tire pressure sensor and feed the monitored tire pressure signal back to the controller; Step 140: The controller matches and analyzes the monitored tire pressure with the recommended tire pressure range. When the monitored tire pressure is not within the recommended tire pressure range, an alarm is issued and the tire is inflated or deflated to adjust the tire pressure of the tire that issued the alarm.

[0028] This invention comprehensively considers the tractor's overall configuration, implement information, operating conditions, and maximum operating speed to accurately calculate the actual load requirements of each tire and recommend the optimal tire pressure range accordingly. Compared to traditional tire pressure management methods that rely on manual experience, this invention ensures that tire pressure settings are more closely aligned with actual operating needs, fully utilizing tractor performance and significantly improving operating efficiency.

[0029] To facilitate understanding of the present invention, the following description further illustrates the tractor tire pressure management method provided by the present invention, based on the principle of the tractor tire pressure management method and in conjunction with the process of managing tractor tire pressure in the embodiments.

[0030] Specifically, the steps for calculating the actual load requirements of each tire include: Obtain the preset overall configuration information, including the vehicle wheelbase b, unloaded front axle load MF and unloaded rear axle load MR, the number of front axle tires Nf, the number of rear axle tires Nr, the arrangement of front axle tires Af and the arrangement of rear axle tires Ar; Obtain information about the implements in use, including implement type, implement weight BR, and the distance d from the implement's center of gravity to the tractor's rear suspension point; Obtain the work conditions and corresponding maximum work speed. The work conditions include the work type and real-time work speed. Based on the working conditions and equipment information, the user obtains the pre-stored front counterweight weight BF, rear counterweight weight BB, distance a from the front counterweight center of gravity to the front axle, and distance c from the tractor rear suspension point to the rear axle. The loaded front axle mass MPF is calculated based on the front counterweight weight BF, the unloaded front axle load MF, the implement weight BR, the distance a from the front counterweight center of gravity to the front axle, the vehicle wheelbase b, the distance c from the tractor rear suspension point to the rear axle, and the distance d from the implement center of gravity to the tractor rear suspension point. The loaded rear axle mass MPR is calculated based on the unloaded rear axle load MR, rear counterweight weight BB, implement weight BR, front counterweight weight BF, distance a from the front counterweight center of gravity to the front axle, vehicle wheelbase b, distance c from the tractor rear suspension point to the rear axle, and distance d from the implement center of gravity to the tractor rear suspension point. The actual load requirement MLTf for each front axle tire is calculated based on the loaded front axle mass MPF, the number of front axle tires Nf, the arrangement of the front axle tires Af, the maximum operating speed, and the real-time operating speed. The actual load requirement MLTr for each rear axle tire is calculated based on the loaded rear axle mass MPR, the number of rear axle tires Nr, the rear axle tire arrangement Ar, the maximum operating speed, and the real-time operating speed.

[0031] like Figure 2 and Figure 3 As shown, the unloaded front axle load MF refers to the weight borne by the front axle of the tractor when it is unloaded, usually expressed in kilograms (kg); the unloaded rear axle load MR refers to the weight borne by the rear axle of the tractor when it is unloaded; the number of front axle tires Nf determines the load distribution of the front axle tires; the number of rear axle tires Nr also determines the load distribution of the rear axle tires; the arrangement of the front axle tires Af (such as single tires, dual tires side by side, etc.) affects the load capacity and distribution of the front axle tires; the arrangement of the rear axle tires Ar also affects the load capacity and distribution of the rear axle tires.

[0032] The type of implement determines the tractor's current task, such as plowing, rotary tilling, and sowing. Different types of implements have different load-bearing requirements for the tractor. Implement weight (BR) refers to the weight of the implement currently attached to the tractor, measured in kilograms (kg), and is an important factor in calculating the mass of the rear axle under load. The job type determines the tractor's current working state, such as tilling, sowing, and harvesting. Different types of jobs have different load-bearing and speed requirements for the tractor. Real-time operating speed refers to the tractor's current actual operating speed, measured in kilometers per hour (km / h), which affects tire load and wear. Maximum operating speed refers to the tractor's maximum permissible operating speed under specific working conditions, also measured in kilometers per hour (km / h), and is used to assess the tire's load-bearing limit.

[0033] Front counterweight weight BF refers to the weight of the counterweight installed at the front of the tractor, used to adjust the center of gravity of the tractor, and is measured in kilograms (kg). Rear counterweight weight BB refers to the weight of the counterweight and implements installed at the rear of the tractor, also used to adjust the center of gravity.

[0034] Furthermore, the formula for calculating the loaded front axle mass (MPF) of a tractor is as follows: .

[0035] Correspondingly, the formula for calculating the actual load requirement MLTf for each front axle tire is: ; in, The adjustment coefficient for the load-bearing capacity and speed of the front axle tires is determined by the maximum operating speed, real-time operating speed, and the front axle tire specifications in the overall machine configuration information.

[0036] Furthermore, the formula for calculating the loaded rear axle mass (MPR) of the tractor is as follows: .

[0037] Correspondingly, the formula for calculating the actual load requirement MLTr for each rear axle tire is: ; in, The adjustment coefficient for the load-bearing capacity and speed of the rear axle tires is determined by the maximum operating speed, real-time operating speed, and the rear axle tire specifications in the overall machine configuration information.

[0038] This invention, by acquiring overall machine configuration information, implement information, operating conditions, and pre-stored counterweight information, can accurately calculate the mass of the front and rear axles of the tractor under load, thereby determining the actual load-bearing requirements of each tire. This precise calculation helps ensure that tires are not overloaded during operation, extending tire life and improving operational safety. Understanding the actual load-bearing requirements of each tire allows for more scientific configuration of tire specifications and quantity, as well as adjustment of tire pressure, to adapt to different operating conditions and load conditions. This helps improve the overall performance of the tractor, including improving fuel economy, reducing tire wear, and enhancing traction. By rationally configuring tires and tire pressure, the tractor can maintain a more stable driving state during operation, reducing work interruptions or efficiency reductions caused by tire problems. Simultaneously, a stable driving state also helps improve work quality, such as the consistency of tillage depth and the uniformity of sowing.

[0039] In addition, based on the actual load requirements of each tire, and combined with the pre-stored correlation between tire load and tire pressure, the recommended tire pressure range for the front and rear tires is obtained. The method includes: Receive actual load demand data for each tire, including the actual load demand MLTf for each front axle tire and the actual load demand MLTr for each rear axle tire; Access the pre-stored tire load and tire pressure relationship in the database, which contains recommended tire pressure values ​​for different tire sizes under different load conditions; Based on the actual load requirement MLTf of each front axle tire and the actual load requirement MLTr of each rear axle tire, the corresponding recommended tire pressure values ​​are retrieved from the database; and the recommended tire pressure range for each front axle tire and each rear axle tire is output.

[0040] Taking a 240-horsepower model as an example, the front tire specification is set to 540 / 65R30, and the rear tire specification is set to 650 / 65R42. The real-time operating speed (obtained by a speed sensor) is 10 km / h, and the maximum operating speed is 30 km / h. Through relevant calculations, the loaded front axle mass (MPF) is 3500 kg, and the loaded rear axle mass (MPR) is 9000 kg; the unloaded front axle load (MF) is 2000 kg, and the unloaded rear axle load (MR) is 5300 kg.

[0041] When calculating the actual load requirement (MLTf) for each front axle tire and the actual load requirement (MLTr) for each rear axle tire, the tire arrangement must be considered. Assuming both sides have a single set of tires, the actual load requirement (MLTf) for each front axle tire should theoretically be the loaded front axle mass (MPF) divided by the number of tires on that axle (here, 2), which is 1750 kg; the actual load requirement (MLTr) for each rear axle tire is the loaded rear axle mass (MPR) divided by the number of tires on that axle (here, 2), which is 4500 kg.

[0042] The pre-stored database of tire load and tire pressure correlation is a large and complex dataset containing recommended tire pressure values ​​for various tire sizes under different load conditions. Taking the 540 / 65R30 and 650 / 65R42 tire sizes in this example, as shown in Tables 1 and 2, the database records in detail their load-bearing capacity at different speed levels (such as 50s, 40s, 30s, and 10s) and different tire pressures (such as 0.6 bar, 0.8 bar, and 1.0 bar).

[0043] Table 1: Relationship between speed and tire pressure and load capacity of 540 / 65R30 tires

[0044] Table 2: Relationship between speed and tire pressure and load capacity of 650 / 65R42 tires

[0045] For tires of model 540 / 65R30, at a speed rating of 50 seconds, the load capacity is 1660 kg when the tire pressure is 0.6 bar; when the tire pressure is 0.8 bar, the load capacity increases to 1920 kg; and so on, with the load capacity increasing accordingly as the tire pressure increases. A similar pattern is observed at speed ratings of 40 seconds, 30 seconds, and 10 seconds.

[0046] For tires of model 650 / 65R42, there are also specific load capacity data for different speed ratings and tire pressures. For example, at a speed rating of 50 seconds, the load capacity is 2580 kg at a tire pressure of 0.6 bar, and 3015 kg at a tire pressure of 0.8 bar.

[0047] After receiving the actual load requirement data (MLTf and MLTr) for each tire, the controller combines it with tire specification information and searches the database. (The controller connects to a pre-stored database of tire load and tire pressure relationships via a database access interface. During the access process, the controller sends a query request containing key information such as the tire specification and load conditions to be queried. Upon receiving the request, the database management system performs a quick search and matching in the database and returns the recommended tire pressure value and related information that meet the criteria to the controller.)

[0048] For each front axle tire (size 540 / 65R30), its actual load capacity (MLTf) is 1750 kg. The database is used to find the tire pressure range corresponding to a load capacity greater than or equal to 1750 kg at various speed ratings. Since the load capacity in the database increases with tire pressure, at a speed rating of 30 seconds, a tire pressure of 0.6 bar results in a load capacity of 1820 kg, which is already greater than 1750 kg.

[0049] For each rear axle tire (size 650 / 65R42), the actual load requirement (MLTr) is 4500 kg. A database search shows that at a speed rating of 50 seconds, the load capacity at a tire pressure of 1.4 bar is 4220 kg, less than 4500 kg; and at a tire pressure of 1.6 bar, the load capacity is 4545 kg, greater than 4500 kg. Therefore, at a speed rating of 50 seconds, the recommended lower limit for rear axle tire pressure should be around 1.6 bar; however, considering practical applications, the recommended tire pressure range needs to be further determined based on the specific operating conditions.

[0050] Determining whether the tire pressure should be biased towards the high or low range based on different operating conditions is most beneficial for the user. For heavy-duty traction operations (such as plowing or laser leveling), lower tire pressure results in a larger contact area between the tire and the ground, thus providing better traction performance. Under these conditions, based on database data and actual load requirements, a front tire pressure of 0.6 bar to 1.2 bar is recommended. At a speed rating of 50 seconds, a tire pressure of 0.6 bar provides a load capacity (1660 kg) that is close to but slightly less than the actual load requirement (1750 kg). However, considering the special traction performance requirements of heavy-duty traction operations, choosing a lower tire pressure range is more appropriate. For the rear axle tires, a tire pressure of 1.4 bar to 1.6 bar is recommended. At a speed rating of 50 seconds, the load capacity of a tire pressure of 1.4 bar (4220 kg) is close to but slightly less than the actual load requirement (4500 kg), while the load capacity of a tire pressure of 1.6 bar (4545 kg) can meet the requirements. Considering the traction performance requirements of heavy-duty traction operations, choosing a tire pressure range of 1.4 bar to 1.6 bar can balance load capacity and traction performance to a certain extent.

[0051] Light-load traction operations: When operating under light-load traction conditions (such as rotary tillage, ditching, harrowing, land preparation, and sowing), higher tire pressure results in a smaller contact area between the tire and the ground, reducing ground resistance and improving travel speed and work efficiency. Under these conditions, a front tire pressure of 1.4 bar to 1.6 bar is recommended. At a speed rating of 50 seconds, this tire pressure range provides sufficient load capacity for the front axle tires, and higher tire pressure reduces ground resistance, further improving work efficiency. For the rear axle tires, a tire pressure of 2.0 bar to 2.4 bar is recommended. According to the database, a tire pressure of 2.0 bar at a speed rating of 50 seconds has a load capacity of 5090 kg, and a tire pressure of 2.4 bar has a load capacity of 5470 kg, both meeting the actual load capacity requirement of the rear axle tires (4500 kg). Higher tire pressure also contributes to increased travel speed and work efficiency.

[0052] This invention provides users with highly accurate recommended tire pressure ranges by precisely calculating the actual load requirements of each tire and analyzing a detailed database of tire load and tire pressure correlations, meeting the actual needs of different operating conditions. Because it considers various operating conditions and tire specifications, this technology is highly flexible and can adapt to various complex agricultural operating environments, providing users with personalized tire pressure management solutions. Appropriate tire pressure settings can reduce tire slippage and rolling resistance, improving tractor speed and operating efficiency. For example, under light-load traction operations, using a higher recommended tire pressure can reduce ground resistance, allowing the tractor to complete the task faster. Optimal tire pressure helps improve the tractor's traction performance and stability, reducing errors and deviations during operation, thereby ensuring work quality. For example, under heavy-load traction operations, using a lower recommended tire pressure can increase the tire-ground contact area, improve traction, and ensure smooth operations such as plowing and laser leveling.

[0053] While issuing an alarm, the controller, based on the difference between the real-time tire pressure and the recommended tire pressure range, controls the inflation / deflation device (including an air tank, air pump, inflation pump, deflation pump, air supply pipe, and solenoid valve; the air tank is connected to the air pump via the air supply pipe, which compresses air and delivers it to the air tank for storage; the inflation pump is connected to the air tank via the air supply pipe and draws compressed air from the air tank; the deflation pump is connected to the tire via the air supply pipe and controls the release of air from the tire; the solenoid valve is installed on the air supply pipe between the tire and the inflation / deflation pumps, and controls the switching between inflation and deflation operations according to the controller's instructions; this is existing technology and will not be elaborated further) to inflate or deflate the tire to adjust the tire pressure to the recommended range. Inflation operation: When the real-time tire pressure is lower than the lower limit of the recommended tire pressure range, the controller sends an inflation command to the inflation / deflation device. Upon receiving the command, the inflation / deflation device starts the inflation pump and inflates air into the tire through the air pipe. During inflation, the controller monitors tire pressure changes in real time. Inflation stops when the tire pressure reaches the lower limit of the recommended range. For example, if the real-time tire pressure of the front left wheel is 0.5 bar, which is below the lower limit of the recommended range (0.6 bar), the controller sends an inflation command to the inflation / deflation device, which then starts the air pump to inflate the front left wheel. As air is added, the tire pressure gradually increases. When the tire pressure reaches 0.6 bar, the controller stops the air pump.

[0054] Deflator Operation: When the real-time tire pressure exceeds the upper limit of the recommended tire pressure range, the controller sends a deflation command to the inflation / deflation device. Upon receiving the command, the device opens the deflation valve, expelling some air from the tire. During the deflation process, the controller also monitors tire pressure changes in real time. When the tire pressure drops to the upper limit of the recommended tire pressure range, the deflation valve closes. For example, if the real-time tire pressure of the right rear tire is 2.5 bar, exceeding the upper limit of the recommended tire pressure range of 2.4 bar, the controller sends a deflation command to the inflation / deflation device. The device opens the deflation valve of the right rear tire, expelling air and gradually reducing the tire pressure. When the tire pressure drops to 2.4 bar, the controller closes the deflation valve.

[0055] In some embodiments, the tractor tire pressure management system 400 may include multiple functional modules composed of computer program segments. The computer programs for each program segment in the tractor tire pressure management system 400 may be stored in the memory of a computer device and executed by at least one processor to perform (see details). Figure 1 (Description) The function of tractor tire pressure management.

[0056] In this embodiment, the tractor tire pressure management system 400 can be divided into multiple functional modules according to its functions, such as... Figure 4As shown. The functional modules may include: a tire actual load requirement calculation module 410, a tire pressure range recommendation module 420, a communication module 430, and a central processing unit 440. The module referred to in this invention is a series of computer program segments that can be executed by at least one processor and perform a fixed function, and which are stored in memory. In this embodiment, the functions of each module will be described in detail in subsequent embodiments.

[0057] The actual load-bearing requirement calculation module 410 is used to calculate the actual load-bearing requirement of each tire based on the tractor's overall configuration, implement information, operating conditions, and corresponding maximum operating speed. The tire pressure range recommendation module 420 is used to analyze the actual load-bearing requirement of each tire in conjunction with the pre-stored tire load-bearing and tire pressure correlation to obtain the recommended tire pressure range for the front and rear tires. The communication module 430 is used to feed back the tire pressure signal monitored in real time by the tire pressure sensor to the central processing unit. The central processing unit 440 is used to match and analyze the monitored tire pressure with the recommended tire pressure range. When the monitored tire pressure is not within the recommended tire pressure range, an alarm is issued, and the tires are inflated or deflated to adjust the tire pressure of the tire that issued the alarm.

[0058] Figure 5 This is a schematic diagram of a terminal 500 provided in an embodiment of the present invention. The terminal 500 can be used to execute the tractor tire pressure management method provided in the embodiment of the present invention.

[0059] The terminal 500 may include a processor 510, a memory 520, and a communication module 530. These components communicate via one or more buses. Those skilled in the art will understand that the server structure shown in the figure does not constitute a limitation of the present invention. It may be a bus topology or a star topology, and may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0060] The memory 520 can be used to store the execution instructions of the processor 510. The memory 520 can be implemented by any type of volatile or non-volatile memory terminal or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk. When the execution instructions in the memory 520 are executed by the processor 510, the terminal 500 is able to perform some or all of the steps in the above method embodiments.

[0061] The processor 510 serves as the control center of the storage terminal, connecting various parts of the electronic terminal via various interfaces and lines. It executes software programs and / or modules stored in the memory 520, and calls data stored in the memory to perform various functions of the electronic terminal and / or process data. The processor can be composed of integrated circuits (ICs), such as a single packaged IC or multiple packaged ICs with the same or different functions connected together. For example, the processor 510 may consist only of a central processing unit (CPU). In this embodiment of the invention, the CPU may have a single processing core or include multiple processing cores.

[0062] The communication module 530 is used to establish a communication channel, enabling the storage terminal to communicate with other terminals. It receives user data sent by other terminals or sends user data to other terminals.

[0063] The present invention also provides a computer storage medium, wherein the computer storage medium may store a program, which, when executed, may include some or all of the steps provided in the embodiments of the present invention. The storage medium may be a magnetic disk, an optical disk, read-only memory (ROM), or random access memory (RAM), etc.

[0064] Those skilled in the art will clearly understand that the techniques in the embodiments of the present invention can be implemented using software plus necessary general-purpose hardware platforms. Based on this understanding, the technical solutions in the embodiments of the present invention, or the parts that contribute to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium such as a USB flash drive, mobile hard drive, read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk, or other media capable of storing program code. It includes several instructions to cause a computer terminal (which may be a personal computer, server, or a second terminal, network terminal, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention.

[0065] The same or similar parts between the various embodiments in this specification can be referred to mutually. In particular, the terminal embodiments are basically similar to the method embodiments, so the description is relatively simple, and the relevant parts can be referred to the description in the method embodiments.

[0066] In the embodiments provided by this invention, it should be understood that the disclosed systems and methods can be implemented in other ways. For example, the system embodiments described above are merely illustrative. For instance, the division of modules is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple modules or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between systems or modules may be electrical, mechanical, or other forms.

[0067] The modules described as separate components may or may not be physically separate. The components shown as modules may or may not be physical modules; that is, they may be located in one place or distributed across multiple network modules. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0068] In addition, the functional modules in the various embodiments of the present invention can be integrated into one processing module, or each module can exist physically separately, or two or more modules can be integrated into one module.

[0069] Although the present invention has been described in detail with reference to the accompanying drawings and preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made to the embodiments of the present invention by those skilled in the art without departing from the spirit and essence of the invention, and such modifications or substitutions should all be within the scope of the present invention. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should also be covered within the protection scope of the present invention.

Claims

1. A method for managing tire pressure in a tractor, characterized in that, include: Based on the tractor's overall configuration, the information on the implements used, the working conditions, and the corresponding maximum working speed, the actual load-bearing requirements of each tire are calculated. Based on the actual load requirements of each tire, and combined with the pre-stored correlation between tire load and tire pressure, the recommended tire pressure range for the front and rear tires is obtained. The tire pressure is monitored in real time by a tire pressure sensor, and the monitored tire pressure signal is fed back to the controller. The controller matches and analyzes the monitored tire pressure with the recommended tire pressure range. When the monitored tire pressure is not within the recommended range, it issues an alarm and inflates or deflates the tire to adjust the tire pressure of the tire that issued the alarm.

2. The tractor tire pressure management method according to claim 1, characterized in that, The steps for calculating the actual load requirements of each tire include: Obtain the preset overall configuration information, including the vehicle wheelbase b, unloaded front axle load MF and unloaded rear axle load MR, the number of front axle tires Nf, the number of rear axle tires Nr, the arrangement of front axle tires Af and the arrangement of rear axle tires Ar; Obtain information about the implements in use, including implement type, implement weight BR, and the distance d from the implement's center of gravity to the tractor's rear suspension point; Obtain the work conditions and corresponding maximum work speed. The work conditions include the work type and real-time work speed. Based on the working conditions and equipment information, the user obtains the pre-stored front counterweight weight BF, rear counterweight weight BB, distance a from the front counterweight center of gravity to the front axle, and distance c from the tractor rear suspension point to the rear axle. The loaded front axle mass MPF is calculated based on the front counterweight weight BF, the unloaded front axle load MF, the implement weight BR, the distance a from the front counterweight center of gravity to the front axle, the vehicle wheelbase b, the distance c from the tractor rear suspension point to the rear axle, and the distance d from the implement center of gravity to the tractor rear suspension point. The loaded rear axle mass MPR is calculated based on the unloaded rear axle load MR, rear counterweight weight BB, implement weight BR, front counterweight weight BF, distance a from the front counterweight center of gravity to the front axle, vehicle wheelbase b, distance c from the tractor rear suspension point to the rear axle, and distance d from the implement center of gravity to the tractor rear suspension point. The actual load requirement MLTf for each front axle tire is calculated based on the loaded front axle mass MPF, the number of front axle tires Nf, the arrangement of the front axle tires Af, the maximum operating speed, and the real-time operating speed. The actual load requirement MLTr for each rear axle tire is calculated based on the loaded rear axle mass MPR, the number of rear axle tires Nr, the rear axle tire arrangement Ar, the maximum operating speed, and the real-time operating speed.

3. The tractor tire pressure management method according to claim 2, characterized in that, The formula for calculating the loaded front axle mass (MPF) of a tractor is as follows: 。 4. The tractor tire pressure management method according to claim 3, characterized in that, The formula for calculating the actual load requirement MLTf for each front axle tire is: ； in, The adjustment coefficient for the load-bearing capacity and speed of the front axle tires is determined by the maximum operating speed, real-time operating speed, and the front axle tire specifications in the overall machine configuration information.

5. The tractor tire pressure management method according to claim 2, characterized in that, The formula for calculating the loaded rear axle mass (MPR) of a tractor is: 。 6. The tractor tire pressure management method according to claim 5, characterized in that, The formula for calculating the actual load requirement MLTr for each rear axle tire is: ； in, The adjustment coefficient for the load-bearing capacity and speed of the rear axle tires is determined by the maximum operating speed, real-time operating speed, and the rear axle tire specifications in the overall machine configuration information.

7. The tractor tire pressure management method according to claim 2, characterized in that, Based on the actual load requirements of each tire, and combined with the pre-stored correlation between tire load and tire pressure, the recommended tire pressure range for the front and rear tires is obtained. The method includes: Receive actual load demand data for each tire, including the actual load demand MLTf for each front axle tire and the actual load demand MLTr for each rear axle tire; Access the pre-stored tire load and tire pressure relationship in the database, which contains recommended tire pressure values ​​for different tire sizes under different load conditions; Based on the actual load requirement MLTf of each front axle tire and the actual load requirement MLTr of each rear axle tire, the corresponding recommended tire pressure values ​​are retrieved from the database; and the recommended tire pressure range for each front axle tire and each rear axle tire is output.

8. A tractor tire pressure management system, characterized in that, include: The actual load-bearing capacity calculation module is used to calculate the actual load-bearing capacity of each tire based on the tractor's overall configuration, implement information, operating conditions, and corresponding maximum operating speed. The tire pressure range recommendation module is used to analyze the actual load requirements of each tire and the pre-stored relationship between tire load and tire pressure to obtain the recommended tire pressure range for the front and rear tires. The communication module is used to feed back the tire pressure signal monitored in real time by the tire pressure sensor to the central processing unit; The central processing unit is used to match and analyze the monitored tire pressure with the recommended tire pressure range. When the monitored tire pressure is not within the recommended range, it issues an alarm and inflates or deflates the tire to adjust the tire pressure of the tire that issued the alarm.

9. A terminal, characterized in that, include: processor; Memory used to store the processor's execution instructions; The processor is configured to perform the method according to any one of claims 1-7.

10. A computer-readable storage medium storing a computer program, characterized in that, When the program is executed by the processor, it implements the method as described in any one of claims 1-7.

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