Non-road vehicle reversing parameter adjusting system and method

Abstract

A non-road vehicle reversing parameter adjusting system comprises a vehicle-mounted control unit, an intelligent terminal and a far-end server, the vehicle-mounted control unit comprises a short-distance wireless communication module and an acquisition control module, and the acquisition control module is used for acquiring vehicle data and controlling the change of the current of an electromagnetic valve of a power reversing hydraulic system along with time. The intelligent terminal comprises a short-distance wireless communication module, a wireless network communication module and a power commutation parameter adjustment platform, a communication link is established between the intelligent terminal and the far-end server through the wireless network communication module, and the power commutation parameter adjustment platform comprises an equipment connection module and a time-current parameter setting module; the remote server comprises a database service module; and the database service module is used for storing, processing and managing data and providing data interface service to interact with the intelligent terminal.

Description

Technical Field

[0002] The present invention relates to the technical field of off-road vehicles, and in particular to a switching parameter adjustment system and adjustment method for off-road vehicles. Background Art

[0003] During the operation of the tractor, the smoothness of starting, reversing, and shifting of the power reversing is affected by many factors, such as oil quality, ground conditions, oil temperature, clutch pressure, gear position, engine speed, load size, and acceleration changes, which will affect the smoothness of reversing and the clutch engagement effect. Traditional vehicles lack effective dynamic adjustment methods and are difficult to adapt to different working conditions, resulting in vehicle running setbacks, increased component wear, and reduced efficiency. Therefore, an intelligent power reversing parameter adjustment system is urgently needed to accurately adjust the parameters of the power reversing system, improve the smoothness of vehicle starting, reversing, shifting, etc., and reduce clutch wear to extend the service life of vehicle components. Summary of the invention

[0004] The present invention provides a non-road vehicle switching parameter adjustment system and method, aiming to adjust the smoothness of the vehicle during the switching process and reduce clutch wear.

[0005] Specifically, a non-road vehicle switching parameter adjustment system includes a vehicle control unit, an intelligent terminal, and a remote server. The vehicle-mounted control unit includes a short-range wireless communication module and a collection control module. The short-range wireless communication module is used to establish a communication link with the intelligent terminal. The collection control module is used to collect vehicle data and control the change of the solenoid valve current of the power reversing hydraulic system over time, thereby controlling the flow rate flowing through the hydraulic valve group per unit time and controlling the pressure of the wet clutch combined with the power source; The intelligent terminal includes a short-range wireless communication module, a wireless network communication module, and a power commutation parameter adjustment platform. The intelligent terminal establishes a communication link with a remote server through the wireless network communication module. The power commutation parameter adjustment platform includes a device connection module and a time-current parameter setting module. The remote server includes a database service module, which is used for data storage, processing, management and providing data interface services to interact with the intelligent terminal.

[0006] In one embodiment, the on-board control unit is used to receive time-current parameters transmitted by the intelligent terminal; to collect vehicle bus information, such as NF commutation information and NR commutation information; to collect vehicle sensor data, such as oil temperature, and to control the action of the hydraulic system solenoid valve.

[0007] Furthermore, the time-current parameter setting module includes time-current parameters for controlling the forward solenoid valve; including time-current parameters for controlling the backward solenoid valve, including modifying the maximum current, the time to reach the maximum current, and the current at a certain time point during the process of reaching the maximum current. The controller controls the current size of the solenoid valve according to the modified time-current curve, thereby controlling the effect of the clutch engagement.

[0008] Furthermore, the smart terminal power switching parameter adjustment platform also includes a device upgrade service module, which is used to receive a receipt package sent by a remote server, and send a system upgrade instruction to the vehicle control unit through the parameter adjustment platform. The vehicle control unit receives the data packet through the short-range wireless communication module for online upgrade.

[0009] A method for adjusting the commutation parameters of an off-road vehicle involves a remote server, an intelligent terminal, and an on-board control unit. The specific steps are as follows: S1: The intelligent terminal parameter tuning platform establishes a communication link with the vehicle control unit through the short-range wireless communication module and obtains the current vehicle identification information; S2: Modify the time-current parameters of the intelligent terminal parameter adjustment platform and send them to the vehicle control unit; S3: The vehicle control unit updates the time-current parameters and sends a receipt message to the parameter adjustment platform; The on-board control unit controls the electromagnetic group according to the currently modified time-current curve; S4: The intelligent terminal parameter adjustment platform reports the modification record of the current vehicle through the wireless communication module; S5: The remote server saves the modification information of the corresponding identity vehicle.

[0010] The modification of the time-current parameters of the intelligent terminal parameter adjustment platform includes modifying the maximum current, the time to reach the maximum current, and the current at a certain time point during the process of reaching the maximum current. The controller controls the current size of the solenoid valve according to the modified time-current curve. The modification record includes the modification user, the modification time, and the modified time / current parameters.

[0011] The present invention has at least the following beneficial effects: 1. Improve the smoothness of vehicle starting and reversing: Through the intelligent terminal power reversing parameter adjustment platform, the time-current curve of the solenoid valve group is changed, and the effect of the combination of the wet clutch grinding plate and the power source is accurately controlled, which effectively avoids the frustration of the vehicle when starting and reversing, making the driving experience more comfortable and making parameter updates more convenient.

[0012] 2. Reduce component wear: The vehicle starts and changes direction smoothly at the right time, which reduces the slippage during the clutch plate engagement process, reduces the wear of the clutch and transmission components, and extends the service life of the vehicle.

[0013] 3. Realize remote upgrade: With the help of the communication link between the smart terminal and the remote server, the vehicle control unit receives the upgrade data package for online upgrade. There is no need for technicians to be on site to connect the vehicle control unit to upgrade, making system updates more convenient.

[0014] 4. Convenient data management and traceability: The database service module can establish identity information for the vehicle and record parameter modification records, which is convenient for vehicle management, troubleshooting and performance optimization analysis; the database service module of the remote server stores a large amount of data, providing a strong reference for vehicle adjustment and data support for subsequent environmental parameter modeling; BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 , which is the communication flow chart of the power switching adjustment system; Figure 2 , is a schematic diagram of an interface of an embodiment of the intelligent terminal parameter adjustment platform of the adjustment system; Figure 3 , which is a state diagram of the time-current / pressure curve changed by the present adjustment system; Figure 4 , which is the second state diagram of the time-current / pressure curve changed by this adjustment system. DETAILED DESCRIPTION

[0016] The following will be combined with the accompanying drawings to clearly and completely describe the implementation methods of the present invention. Obviously, the described embodiments are only some embodiments of the present invention. Based on the described embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense.

[0017] Combination Figure 1, a non-road vehicle switching parameter adjustment system, including an on-board control unit, an intelligent terminal, and a remote server. The on-board control unit includes a short-range wireless communication module, such as a Bluetooth module, for establishing a communication link with the intelligent terminal; including a data acquisition and control module, which is used to receive the time-current parameters transmitted by the intelligent terminal, including collecting vehicle bus information, such as NF switching information, NR switching information, and can also collect vehicle sensor data, such as oil temperature, pressure, engine speed and other information, and control the action of the hydraulic system solenoid valve. The on-board control unit controls the change of the solenoid valve current of the power switching hydraulic system over time, thereby changing the combination effect between the hydraulic actuator end wet clutch grinding plate and the engine flywheel, thereby controlling the smoothness of the vehicle starting, switching, and shifting, avoiding the frustration of the vehicle during starting and switching, increasing comfort, and reducing clutch slippage and wear of the clutch and transmission components.

[0018] Combination Figure 2 The smart terminal includes a short-range wireless communication module, such as Bluetooth, through which a communication link is established with the vehicle-mounted control unit; includes a wireless network communication module, such as a WiFi module, a 4G / 5G module, etc., and the smart terminal establishes a communication link with the remote server through the non-network communication module; includes a power switching parameter adjustment platform, which can be a small program, a web page, an APP, etc. embedded in the smart terminal, and the power switching parameter adjustment platform includes a device connection module and a time-current parameter setting module. The power switching parameter adjustment platform can obtain the Bluetooth MAC address of the nearby vehicle-mounted control terminal unit through the Bluetooth communication protocol. When there are multiple Bluetooth MAC addresses, the one with the strongest signal is connected, and reported to the remote server through the long-distance communication module, and the vehicle identification code is encoded through the remote server.

[0019] The time-current parameter setting module includes the time-current parameters of the forward solenoid valve and the time-current parameters of the reverse solenoid valve. The modified parameters can be the maximum current, the time to reach the maximum current, and the current at a certain time point in the process of reaching the maximum current. The on-board control unit controls the current of the solenoid valve according to the modified time-current curve. The combination effect of the wet clutch grinding plate and the power source at the hydraulic actuator end includes that the clutch grinding plate is combined for a long time, the clutch slip is increased, and the driving experience is more frustrated if the time is too short. The appropriate combination effect achieves the best balance between the vehicle's switching smoothness and vehicle wear, which ensures both the comfort of the vehicle and the minimum wear of the vehicle. For example, by changing the time-current parameters, the current / voltage is first increased to a certain value and then maintains a smooth transition, and finally slowly increases to the maximum value, thereby achieving a balance between the vehicle's switching smoothness and vehicle wear.

[0020] In one embodiment, the intelligent terminal parameter adjustment platform also includes a device upgrade service module, which is used to receive a receipt package sent by a remote server, and send a system upgrade instruction to the vehicle control unit through the parameter adjustment platform. The vehicle control unit receives the data packet through the short-range wireless communication module for online upgrade.

[0021] The remote server includes a database service module, which is used for data storage, such as vehicle identification information, vehicle model, equipment information, user information, etc.; data processing, such as the collection and statistics of corresponding vehicle parameter modifications, etc.; data management, data index management, etc., access rights management, etc.; and providing data interface services to interact with smart terminals, such as receiving data reported by smart terminals, and sending data packets to smart terminals, such as device upgrade data packets. The data packets are sent to the smart terminal through the database service module, and the smart terminal sends system upgrade instructions to the vehicle control unit to upgrade the control unit program online, such as adding functions or repairing functions of the vehicle control unit, etc., without the need for technicians to be on-site to connect the vehicle control unit to upgrade, making system updates more convenient.

[0022] The database service module establishes identity information for the vehicle, records parameter modification records, modification users, modification time and other information, which facilitates vehicle management, troubleshooting and performance optimization analysis; the database service module of the remote server stores a large amount of data, provides a reference template for vehicle parameter adjustment, and provides data support for subsequent environmental parameter modeling.

[0023] Combination Figure 3-4, when the vehicle control unit controls the forward solenoid valve or the reverse solenoid valve of the hydraulic system, the current and the pressure in the hydraulic system as a whole prolong over time, the current / pressure increases, and the current / voltage reaches the maximum value after the solenoid valve core stabilizes. In actual operation, when the engine speed is high or the load changes greatly, it is necessary to change the combination effect of the clutch plate and the engine flywheel, and it is necessary to adjust the solenoid valve time-current curve; or when environmental factors change, such as oil temperature, oil quality, ground conditions, etc., the current time-current curve is no longer the best clutch combination effect, the clutch plate is engaged for a long time, the clutch slippage increases, the clutch heats up and wears, and the short combination time will cause a strong sense of frustration. At this time, log in to the smart terminal power switching parameter adjustment platform to initiate a short-distance wireless connection with the vehicle control unit and obtain the current vehicle identification code and report it to the remote server. Use the parameter setting module to adjust the maximum current reached by the forward / reverse solenoid valve, the current at a certain time point during the maximum current / pressure process, the time to reach the maximum current and other parameters to change the combination effect of the wet clutch and the power source, so that the clutch is more stable, the shifting and switching during the driving experience are smoother, and the wear of the clutch is reduced. The smart terminal parameter adjustment platform reports the modified parameter records to the remote server, and the remote server saves the modification records of the corresponding vehicle to the database. Remote modification of power switching parameters is achieved without the need for technicians to be present to connect to the vehicle control unit to modify parameters.

[0024] A method for adjusting the commutation parameters of an off-road vehicle involves a remote server, an intelligent terminal, and an on-board control unit, including the following steps: a user of the intelligent terminal logs in, a communication link is established, a vehicle ID card identification code is obtained, the on-board control unit is updated to control the change of the solenoid valve current over time, and the remote server saves the modification record. S1: The intelligent terminal parameter tuning platform establishes a communication link with the vehicle control unit through the short-range wireless communication module and obtains the current vehicle identification information; S2: Modify the time-current parameters of the intelligent terminal parameter adjustment platform and send them to the vehicle control unit; S3: The vehicle control unit updates the time-current parameters and sends a receipt message to the parameter adjustment platform; S4: The intelligent terminal parameter adjustment platform reports the modification record of the current vehicle through the wireless communication module; S5: The remote server saves the modification information of the corresponding identity vehicle.

[0025] The modification of the time-current parameters of the intelligent terminal parameter adjustment platform includes modifying the maximum current, the time to reach the maximum current, and the current at a certain time point during the process of reaching the maximum current. The vehicle control control unit controls the current size of the solenoid valve according to the modified time-current curve. The modification record includes the modification user, modification time, and the modified time / current parameters.

Claims

1. A non-road vehicle switching parameter adjustment system, characterized in that: Including vehicle control unit, intelligent terminal, and remote server; The vehicle-mounted control unit includes a short-range wireless communication module and an acquisition control module, wherein the short-range wireless communication module is used to establish a communication link with the intelligent terminal, and the acquisition control module is used to control the change of the solenoid valve current of the power reversing hydraulic system over time; The intelligent terminal includes a short-range wireless communication module, a wireless network communication module, and a power commutation parameter adjustment platform. The intelligent terminal establishes a communication link with a remote server through the wireless network communication module. The power commutation parameter adjustment platform includes a device connection module and a time-current parameter setting module. The remote server includes a database service module, which is used for data storage, processing, management and providing data interface services to interact with the intelligent terminal.

2. The off-road vehicle switching parameter adjustment system according to claim 1, characterized in that: The time-current parameter setting module includes time-current parameters for controlling the forward solenoid valve.

3. The off-road vehicle switching parameter adjustment system according to claim 1, characterized in that: The time-current parameter setting module includes time-current parameters for controlling the reverse solenoid valve.

4. The off-road vehicle switching parameter adjustment system according to any one of claims 1 to 3, characterized in that: The time-current parameters include the maximum current, the time to reach the maximum current, and the current at a certain time point during the process of reaching the maximum current.

5. The off-road vehicle switching parameter adjustment system according to claim 1, characterized in that: The smart terminal power switching parameter adjustment platform also includes an equipment upgrade service module.

6. The off-road vehicle switching parameter adjustment system according to claim 5, characterized in that: The device upgrade service module is used to receive a receipt package sent by a remote server and send a system upgrade instruction to the vehicle-mounted control unit.

7. The off-road vehicle switching parameter adjustment system according to claim 6, characterized in that: The vehicle-mounted control unit is upgraded online via a short-range wireless communication module.

8. A method for adjusting the commutation parameters of an off-road vehicle, involving a remote server, an intelligent terminal, and an on-board control unit, and the specific steps are as follows: S1: The intelligent terminal parameter tuning platform establishes a communication link with the vehicle control unit through the short-range wireless communication module and obtains the current vehicle identification information; S2: Modify the time-current parameters of the intelligent terminal parameter adjustment platform and send them to the vehicle control unit; S3: The vehicle control unit updates the time-current parameters and sends a receipt message to the parameter adjustment platform; S4: The intelligent terminal parameter adjustment platform reports the modification record of the current vehicle through the wireless communication module; S5: The remote server saves the modification information of the corresponding identity vehicle.

9. The off-road vehicle commutation parameter adjustment method according to claim 8, wherein the on-board control unit controls the current of the solenoid valve according to the modified time-current curve.

10. The off-road vehicle commutation parameter adjustment method according to claim 8, wherein the modification record includes the modification user, modification time, and modified time / current parameters.

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