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Automatic starting control system and method for pure electric loader

A technology of a control system and a control method, which is applied in the direction of controlling drive, control device, electric vehicle, etc., can solve the problems of reducing the working life time of the loader, the driver's discomfort, and judging the throttle, so as to increase the working life time and improve the driving comfort. degree, the effect of reducing power consumption

Pending Publication Date: 2021-04-13
XCMG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this process, it is difficult for different drivers to accurately judge the required opening of the accelerator, which can easily cause the vehicle to start too fast and cause discomfort to the driver; on the other hand, it will also cause a large starting current of the motor, increasing Reduce power consumption and reduce the working life of the loader

Method used

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  • Automatic starting control system and method for pure electric loader
  • Automatic starting control system and method for pure electric loader

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] to combine figure 1 As shown, a pure electric loader automatic start control system, the gear handle 1, the brake pedal 2, the accelerator pedal 3, the handbrake switch 4 are electrically connected to the vehicle controller 5; the motor controller 6 is connected to the motor 7, and the motor control The device 6 is electrically connected with the vehicle controller 5. The motor controller 6 and the vehicle controller 5 are connected through a CAN bus to improve communication reliability.

[0024] When working, the vehicle controller receives the speed fed back by the motor controller and generates the starting power torque and transmits it to the motor controller. The motor controller controls the motor to work and the motor speed according to the received starting torque, so as to realize the electric loader's smooth and seamless operation. Shaking to start driving.

Embodiment 2

[0026] to combine figure 2 As shown, a pure electric loader automatic start control method, on the basis of the first embodiment above, includes the following steps:

[0027] During the start-up process of the loader, the motor controller 3 sends the speed of the motor 7 to the vehicle controller 5 in real time; Are you ready to start?

[0028] When the handbrake switch 4 is released, there is no brake pedal 2 and accelerator pedal 3, the gear lever 1 is in the forward gear, and the speed of the motor 7 is lower than the set value, the vehicle controller 5 enters the starting creep mode;

[0029] The vehicle controller 5 transmits a starting signal to the motor controller 6, and the motor controller 6 provides the starting torque to the motor 7; at the same time, the vehicle controller 5 judges the speed of the motor 7 in real time, and when the speed of the motor 7 is higher than the set value Reduce the starting torque, increase the starting torque when the motor 7 speed ...

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Abstract

The invention discloses an automatic starting control system and method for a pure electric loader and belongs to the field of loaders. A gear handle, a brake pedal, an accelerator pedal and a hand brake switch are electrically connected with a vehicle control unit; and a motor controller is in control connection with a motor and is electrically connected with a vehicle control unit; the vehicle control unit receives the rotating speed fed back by the motor controller, generates starting power torque and transmits the starting power torque to the motor controller, and the motor controller controls the motor to work and controls the rotating speed of the motor according to the received starting torque. The system is advantaged in that the quick starting function of the electric loader under any load condition is achieved, slow starting of a traditional fuel oil loader in the normal running process is achieved, stable and vibration-free starting of a vehicle is achieved, the driving comfort of a driver is improved, power consumption is reduced, and the working endurance time is prolonged.

Description

technical field [0001] The invention relates to the field of loaders, in particular to a pure electric loader automatic start control system and control method. Background technique [0002] At present, the starting control system of pure electric loaders mainly uses the driver to step on the accelerator pedal and control the torque of the motor through the opening of the accelerator, so as to control the starting speed of the vehicle. In this process, it is difficult for different drivers to accurately judge the required opening of the accelerator, which can easily cause the vehicle to start too fast and cause discomfort to the driver; on the other hand, it will also cause a large starting current of the motor, increasing Reduce power consumption and reduce the working life of the loader. Contents of the invention [0003] In order to solve the above-mentioned deficiencies and defects of the prior art, a pure electric loader automatic start control system and control met...

Claims

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Application Information

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IPC IPC(8): B60L15/20
CPCB60L15/2072B60L2200/40B60L2240/12B60L2240/423Y02T10/72
Inventor 董雯雯张宁耿睿江云鹤邱楚然孙东铭
Owner XCMG CONSTR MACHINERY