阅读说明：本技术 一种基于双电机构型的拖拉机功率合流分流分配方法 (Tractor power converging and shunting distribution method based on double-motor configuration ) 是由 万忠政 王鹏 郝明明 刘亚闪 刘亮 刘超 王维振 郑慧娜 张艳静 张阳光 于 2019-11-27 设计创作，主要内容包括：本发明公开了一种双电机构型的拖拉机功率合流分流分配方法,双电机拖拉机的传动构型启动后,根据实际情况,作业模式控制面板向新能源车辆整车控制器发出指令,新能源车辆整车控制器对信号进行协调与控制,将信号传输给前控制器和后控制器,前控制器和后控制器经过分析从而进行功率分配,从而控制启动前驱动电机和后驱动电机的工作状态,本发明的两个电机实现功率的合理分配,优化驱动系统的效率,使双电机构型的拖拉机满足不同作业工况下不同作业负载的动力需求,提高驱动系统的工作效率,增强续航能力,通过前变速箱输出轴的双向输出,前电机与后电机均可以为后桥提供动力。可以有效的解决动力不足的问题。(The invention discloses a power converging and shunting distribution method for a tractor with a double-motor structure, after the transmission structure of the double-motor tractor is started, according to the actual situation, the operation mode control panel sends an instruction to the whole new energy vehicle controller, the whole new energy vehicle controller coordinates and controls signals and transmits the signals to the front controller and the rear controller, the front controller and the rear controller perform power distribution through analysis, thereby controlling the working state of the front driving motor and the rear driving motor, realizing reasonable power distribution of the two motors, optimizing the efficiency of the driving system, ensuring that the tractor with a double-motor configuration meets the power requirements of different operation loads under different operation conditions, improving the working efficiency of the driving system, enhancing the cruising ability, through the two-way output of the output shaft of the front gearbox, the front motor and the rear motor can both provide power for the rear axle. The problem of insufficient power can be effectively solved.)

1. A tractor power converging and shunting distribution method based on a double-motor configuration is characterized by comprising the following steps:

after the transmission configuration of the double-motor tractor is started, the operation mode control panel sends an instruction to the whole vehicle controller of the new energy vehicle according to actual conditions, coordinates and controls signals, and transmits the signals to the front controller (1) and the rear controller (6), and the front controller (1) and the rear controller (6) perform power distribution through analysis, so that the working states of the front driving motor (2) and the rear driving motor (7) are controlled to be started;

when the operation mode control panel sends a signal of a four-wheel drive mode of the front motor, the vehicle controller of the new energy vehicle coordinates and controls the signal, and then sends an instruction to the front controller (1), the front controller (1) receives the instruction, the front drive motor (2) works, the rear drive motor (7) stops working, and the drive mode 1 is adopted.

When the operation mode control panel sends signals of a front and a rear double-motor driving mode, the new energy vehicle controller coordinates and controls the signals, and sends instructions to the front controller (1) and the rear controller (6), the front driving motor (2) works, the rear driving motor (7) works, and the driving mode 2 is adopted.

When the operation mode control panel sends a signal of a mode that a front motor drives the whole vehicle to move and a rear motor drives the PTO, the whole vehicle controller of the new energy vehicle coordinates and controls the signal, and sends an instruction to the front controller (1) and the rear controller (6), the front driving motor (2) works, the rear driving motor (7) transmits power to the rear transmission (8), the power is transmitted to the power output shaft transmission box (12) through the PTO clutch (11) and then transmitted to the rotary tillage mechanism, and a driving mode 3 is adopted.

When the operation mode control panel sends a signal of a mode that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, the whole vehicle controller of the new energy vehicle coordinates and controls the signal, sends an instruction to the front controller (1) and the rear controller (6), starts the front drive motor (2) and the rear drive motor (7) for driving and moving, simultaneously transmits power to the rear speed changer (8) by the rear drive motor (7), transmits the power to the power output shaft transmission box (12) through the PTO clutch (11), and then transmits the power to the rotary tillage mechanism, and a driving mode 4 is adopted.

2. The tractor power merging and dividing distribution method based on the double-motor configuration as claimed in claim 1, wherein: the driving mode 1) is a front motor four-wheel driving mode, a rear axle clutch (9) is in a combined state, a PTO clutch (11) is disconnected, a front driving motor (2) is started, a rear driving motor (7) is closed, and driving force is transmitted to a front transmission (3), a first differential (4) and front wheels (5) in sequence by the front driving motor (2) under the control of a front controller (1); the other path is transmitted to a front transmission (3), a rear transmission (8), a second differential (10) and rear wheels (13) by a front driving motor (2), and the other path is a four-wheel driving working mode which is mainly used for transition and road transportation of the electric tractor.

3. The tractor power merging and dividing distribution method based on the double-motor configuration as claimed in claim 1, wherein: the driving mode 2) is a front and rear double-motor driving mode, the rear axle clutch (9) is in a combined state, the PTO clutch (11) is disconnected, the front driving motor (2) is started, and the rear driving motor (7) is started. The driving force is respectively transmitted to a front transmission (3), a first differential (4) and a front wheel (5) from the front driving motor (2) in sequence; the rear driving motor (7) is sequentially transmitted to a rear speed changer (8), a rear axle clutch (9), a second differential (10) and rear wheels (13); the driving mode is four-wheel drive, and is mainly applied to plowing operation, transition and road transportation of the electric tractor.

4. The tractor power merging and dividing distribution method based on the double-motor configuration as claimed in claim 1, wherein: the driving mode 3) is a mode that a front motor drives the whole vehicle to move and a rear motor drives a PTO, a rear axle clutch (9) and a PTO clutch (11) are in a combined state, the front driving motor (2) is started, a rear driving motor (7) is started, and driving force is transmitted to the front transmission (3), the first differential (4) and the front wheel (5) in sequence by the front driving motor (2) under the control of the front controller (1); the other path is that the front driving motor (2) transmits power to the front transmission (3), the rear transmission (8), the second differential (10) and the rear wheels (13), the rear driving motor (7) transmits the power to the rear transmission (8), the power is transmitted to the power output shaft transmission box (12) through the PTO clutch (11) and then transmitted to the rotary tillage mechanism, and the driving mode can realize the independent work of the PTO of the rear power output shaft.

5. The tractor power merging and dividing distribution method based on the double-motor configuration as claimed in claim 1, wherein: the driving mode 4) is a mode that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, the rear axle clutch (9) is in a combined state, the PTO clutch (11) is in a combined state, the front driving motor (2) and the rear driving motor (7) are started, and driving force is transmitted to the front transmission (3), the first differential (4) and the front wheel (5) sequentially by the front driving motor (2); the rear drive motor (7) sequentially transmits power to the rear transmission (8), the rear axle clutch (9), the second differential (10) and the rear wheels (13), the rear drive motor (7) transmits the power to the rear transmission (8), the power is transmitted to the power output shaft transmission box (12) through the PTO clutch (11) and then transmitted to the rotary tillage mechanism, and the drive mode can realize the independent work of the PTO of the rear power output shaft.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a tractor power converging and shunting distribution method based on a double-motor configuration.

Background

Traditional pure electric tractor ploughs, harrows, broadcasts multiple operation operating mode such as transportation and rotary tillage, and driving motor often is in low efficiency district, makes the power of motor can not obtain make full use of, and the mode is single, leads to the farming effect of tractor to reach the ideal state to two drives are adopted mostly to the drive mode of current bi-motor, appear skidding in the use, phenomenon that power is not enough.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects and provide a tractor power converging and shunting distribution method based on a double-motor configuration, so that the working states of two motors can be adjusted, the efficiency of a driving system is favorably optimized, the tractor with the double-motor configuration can meet the power requirements of different operation loads under different operation conditions, the working efficiency of the driving system is improved, the cruising ability is enhanced, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: a tractor power converging and shunting distribution method based on a double-motor configuration comprises the following steps:

after the transmission configuration of the double-motor tractor is started, the operation mode control panel sends an instruction to the whole vehicle controller of the new energy vehicle according to actual conditions, coordinates and controls signals, and transmits the signals to the front controller and the rear controller, and the front controller and the rear controller perform power distribution through analysis so as to control the starting working states of the front driving motor and the rear driving motor;

when the operation mode control panel sends a signal of a four-wheel drive mode of the front motor, the vehicle controller of the new energy vehicle coordinates and controls the signal, and then sends an instruction to the front controller, the front controller receives the instruction, the front drive motor works, the rear drive motor stops working, and the drive mode 1 is adopted).

When the operation mode control panel sends signals of a front and a rear double-motor driving mode, the new energy vehicle controller coordinates and controls the signals, and then sends instructions to the front controller and the rear controller, the front driving motor works, the rear driving motor works, and the driving mode 2) is adopted.

When the operation mode control panel sends a signal of a mode that the front motor drives the whole vehicle to move and the rear motor drives the PTO, the whole vehicle controller of the new energy vehicle coordinates and controls the signal, and sends an instruction to the front controller and the rear controller, so that the front motor works, the rear drive motor transmits power to the rear transmission, the power is transmitted to the power output shaft transmission box through the PTO clutch and then transmitted to the rotary tillage mechanism, and a drive mode 3 is adopted.

When the operation mode control panel sends a signal of a mode that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, the whole vehicle controller of the new energy vehicle sends an instruction to the front controller and the rear controller after coordinating and controlling the signal, the front drive motor and the rear drive motor are started for driving to move, meanwhile, the rear drive motor transmits power to the rear speed changer, transmits the power to the power output shaft transmission box through the PTO clutch and then transmits the power to the rotary tillage mechanism, and a driving mode 4 is adopted.

As a preferred technical solution of the present invention, the driving mode 1 is a front motor four-wheel driving mode, the rear axle clutch is in a connected state, the PTO clutch is disconnected, the front driving motor is started, the rear driving motor is turned off, and the driving force is sequentially transmitted to the front transmission, the first differential, and the front wheels by the front driving motor under the control of the front controller; the other path is transmitted to a front transmission, a rear transmission, a second differential and rear wheels from a front driving motor, and the four-wheel driving mode is adopted at the moment, and the driving mode is mainly used for transition and road transportation of the electric tractor.

As a preferred embodiment of the present invention, the driving mode 2 is a front and rear dual-motor driving mode, the rear axle clutch is in a coupled state, the PTO clutch is disconnected, the front driving motor is started, and the rear driving motor is started. The driving force is respectively transmitted to the front speed changer, the first differential mechanism and the front wheel in sequence by the front driving motor; the rear driving motor is sequentially transmitted to a rear speed changer, a rear axle clutch, a second differential and rear wheels; the driving mode is four-wheel drive, and is mainly applied to plowing operation, transition and road transportation of the electric tractor.

As a preferred technical scheme of the invention, the driving mode 3 is a mode that a front motor drives the whole vehicle to move and a rear motor drives a PTO, a rear axle clutch and a PTO clutch are both in a combined state, the front driving motor is started, the rear driving motor is started, and driving force is sequentially transmitted to a front transmission, a first differential and a front wheel by the front driving motor under the control of a front controller; the other path is that the power is transmitted to the front transmission, the rear transmission, the second differential mechanism and the rear wheels by the front driving motor, the power is transmitted to the rear transmission by the rear driving motor, the power is transmitted to the power output shaft transmission box through the PTO clutch and then transmitted to the rotary tillage mechanism, and the driving mode can realize the independent work of the PTO of the rear power output shaft.

As a preferred technical scheme of the invention, the driving mode 4 is a mode that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, the rear axle clutch is in a combined state, the PTO clutch is in a combined state, the front driving motor and the rear driving motor are started, and the driving force is respectively transmitted to the front transmission, the first differential and the front wheels in sequence by the front driving motor; the rear driving motor sequentially transmits power to the rear speed changer, the rear axle clutch, the second differential and the rear wheels, the rear driving motor transmits the power to the rear speed changer, the power is transmitted to the power output shaft transmission box through the PTO clutch and then transmitted to the rotary tillage mechanism, and the driving mode can realize the independent work of the PTO of the rear power output shaft.

Compared with the prior art, the invention has the beneficial effects that: the two motors realize reasonable power distribution, the efficiency of the driving system is optimized, the tractor with a double-motor structure meets the power requirements of different operation loads under different operation conditions, the working efficiency of the driving system is improved, the cruising ability is enhanced, and the front motor and the rear motor can provide power for the rear axle through the bidirectional output of the output shaft of the front gearbox. The problem of insufficient power can be effectively solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of drive mode 1;

FIG. 3 is a schematic diagram of drive mode 2;

FIG. 4 is a schematic diagram of drive mode 3;

fig. 5 is a schematic diagram of the driving mode 4.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a power converging and diverging distribution method for a tractor based on a dual-motor configuration includes the following steps:

after the transmission configuration of the double-motor tractor is started, according to actual conditions, the operation mode control panel sends an instruction to the whole vehicle controller of the new energy vehicle, coordinates and controls signals, transmits the signals to the front controller 1 and the rear controller 6, and the front controller 1 and the rear controller 6 perform power distribution through analysis, so that the working states of the front driving motor 2 and the rear driving motor 7 are controlled to be started;

when the operation mode control panel sends a signal of a four-wheel drive mode of the front motor, the vehicle controller of the new energy vehicle coordinates and controls the signal, and then sends an instruction to the front controller 1, the front controller 1 receives the instruction, the front drive motor 2 works, the rear drive motor 7 stops working, and the drive mode 1 is adopted; the driving mode 1 is a front motor four-wheel driving mode, the rear axle clutch 9 is in a combined state, the PTO clutch 11 is disconnected, the front driving motor 2 is started, the rear driving motor 7 is closed, and the driving force is sequentially transmitted to the front transmission 3, the first differential 4 and the front wheels 5 by the front driving motor 2 under the control of the front controller 1; the other path is transmitted from the front drive motor 2 to the front transmission 3, the rear transmission 8, the second differential 10 and the rear wheels 13, and the four-wheel drive mode is adopted, and the drive mode is mainly used for transition and road transportation of the electric tractor.

When the operation mode control panel sends signals of a front and a rear double-motor driving mode, the new energy vehicle controller coordinates and controls the signals, and then sends instructions to the front controller 1 and the rear controller 6, the front driving motor 2 works, the rear driving motor 7 works, and the driving mode 2 is adopted; the driving mode 2 is a front and rear double-motor driving mode, the rear axle clutch 9 is in a combined state, the PTO clutch 11 is disconnected, the front driving motor 2 is started, and the rear driving motor 7 is started. The driving force is respectively transmitted to the front speed changer 3, the first differential 4 and the front wheel 5 by the front driving motor 2 in sequence; the rear driving motor 7 sequentially transmits the signals to a rear speed changer 8, a rear axle clutch 9, a second differential 10 and rear wheels 13; the driving mode is four-wheel drive, and is mainly applied to plowing operation, transition and road transportation of the electric tractor.

When the operation mode control panel sends a signal of a mode that a front motor drives the whole vehicle to move and a rear motor drives the PTO, the whole vehicle controller of the new energy vehicle coordinates and controls the signal, the front controller 1 and the rear controller 6 send instructions, the front driving motor 2 works, the rear driving motor 7 transmits power to the rear transmission 8, the power is transmitted to the power output shaft transmission box 12 through the PTO clutch 11 and then transmitted to the rotary tillage mechanism, and a driving mode 3 is adopted; the driving mode 3 is a mode that the front motor drives the whole vehicle to move and the rear motor drives the PTO, the rear axle clutch 9 and the PTO clutch 11 are both in a combined state, the front driving motor 2 is started, the rear driving motor 7 is started, and the driving force is sequentially transmitted to the front transmission 3, the first differential 4 and the front wheel 5 by the front driving motor 2 under the control of the front controller 1; the other path is that the power is transmitted to the front transmission 3, the rear transmission 8, the second differential 10 and the rear wheels 13 from the front driving motor 2, the power is transmitted to the rear transmission 8 from the rear driving motor 7, the power is transmitted to the power output shaft transmission box 12 through the PTO clutch 11 and then transmitted to the rotary tillage mechanism, and the driving mode can realize the independent work of the PTO of the rear power output shaft.

When the operation mode control panel sends a signal of a mode that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, the whole vehicle controller of the new energy vehicle coordinates and controls the signal, sends an instruction to the front controller 1 and the rear controller 6, starts the front drive motor 2 and the rear drive motor 7 for driving and moving, simultaneously transmits power to the rear transmission 8 by the rear drive motor 7, transmits the power to the power output shaft transmission box 12 through the PTO clutch 11, and then transmits the power to the rotary tillage mechanism, and adopts a drive mode 4; the driving mode 4 is a mode that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, the rear axle clutch 9 is in a combined state, the PTO clutch 11 is in a combined state, the front driving motor 2 and the rear driving motor 7 are started, and the driving force is respectively transmitted to the front transmission 3, the first differential 4 and the front wheel 5 from the front driving motor 2 in sequence; the power is transmitted to a rear speed changer 8, a rear axle clutch 9, a second differential mechanism 10 and rear wheels 13 in sequence by a rear driving motor 7, the power is transmitted to the rear speed changer 8 by the rear driving motor 7, transmitted to a power output shaft transmission box 12 by a PTO clutch 11 and then transmitted to a rotary tillage mechanism, and the driving mode can realize the independent work of a rear power output shaft PTO.

When in use: the operation mode control panel sends out a command of a four-wheel drive mode of the front motor, the vehicle control unit integrates and analyzes the command, the rear axle clutch 9 is in a combined state, the PTO clutch 11 is disconnected, the rear drive motor 7 is in a closed state, signals are transmitted into the front controller 1 at the same time, the front controller 1 starts the front drive motor 2, the front drive motor 2 sequentially transmits power to the front transmission 3, and then the power is transmitted to the first differential 4 so as to enable the front wheels 5 to move; meanwhile, the front driving motor 2 is transmitted to the front transmission 3 and then transmitted to the rear transmission 8 through a central transmission shaft, and further transmitted to the second differential 10 so as to enable the front wheels 5 to move and the rear wheels 13 to move;

the operation mode control panel sends out a command of a front and a rear double-motor driving mode, the vehicle control unit integrates and analyzes the command, so that the rear axle clutch 9 is in a combined state, the PTO clutch 11 is disconnected, a signal is transmitted into the front controller 1, the front controller 1 starts the front driving motor 2, the rear controller 6 starts the rear driving motor 7, the front driving motor 2 sequentially transmits power to the front transmission 3 and further transmits the power to the first differential 4, and the front wheels 5 move; the rear driving motor 7 sequentially transmits power to the rear speed changer 8, then to the rear axle clutch 9 and finally to the rear wheels 13 through the second differential 10;

the operation mode control panel sends out a command of a mode that a front motor drives a whole vehicle to move and a rear motor drives a PTO, a whole vehicle controller integrates and analyzes the command to enable a rear axle clutch 9 and the PTO clutch 11 to be in a combined state, a front controller 1 starts a front driving motor 2, a rear controller 6 starts a rear driving motor 7, the front driving motor 2 sequentially transmits power to a front transmission 3 and further transmits the power to a first differential 4 to enable front wheels 5 to move; meanwhile, the front driving motor 2 is transmitted to the front transmission 3 and is transmitted to the rear transmission 8 through a central transmission shaft, and then is transmitted to the second differential 10 so as to enable the front wheels 5 to move and the rear wheels 13 to move, the rear driving motor 7 transmits power to the rear transmission 8, the power is transmitted to the power output shaft transmission box 12 through the PTO clutch 11 and then is transmitted to the rotary tillage mechanism;

the operation mode control panel sends out instructions of modes that the front motor and the rear motor drive the whole vehicle to move and the rear motor drives the PTO, so that the rear axle clutch 9 is in a combined state, the PTO clutch 11 is in a combined state, the front controller 1 starts the front driving motor 2, the rear controller 6 starts the rear driving motor 7, the front driving motor 2 sequentially transmits power to the front transmission 3 and further transmits the power to the first differential 4, and the front wheels 5 move; the rear driving motor 7 sequentially transmits power to the rear transmission 8, then transmits the power to the rear axle clutch 9 and finally transmits the power to the rear wheels 13 through the second differential 10, the rear driving motor 7 transmits the power to the rear transmission 8, and the power is transmitted to the power output shaft transmission box 12 through the PTO clutch 11 and then transmitted to the rotary tillage mechanism;

the double-electric-tractor power control system reasonably distributes the power of the double-electric-tractor, makes the energy fully utilized, and the output shaft of the front speed changer is output in two directions, so that the tractor can be freely changed between two-drive mode and four-drive mode, the smooth operation under various working states is ensured, the working efficiency is improved, the cooperative speed regulation of the motor and the speed changing box is realized by the operation of the front controller 1 and the rear controller 6, the speed regulation range is wider, the requirements of various operations can be met, and the use convenience is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.