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A self-optimizing control device and method based on crushing conditions

A technology of a control device and a control method, which is applied in construction, earthmoving machines/shovels, etc., can solve problems such as energy loss, inability to achieve accurate matching, and unreasonable power setting of breakers.

Active Publication Date: 2021-09-10
XCMG EXCAVATOR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, domestic research on breaker control technology is not sufficient, the power setting of breaker is unreasonable, and precise matching cannot be achieved in matching, resulting in energy loss. Therefore, the research and application of crushing technology should be strengthened

Method used

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  • A self-optimizing control device and method based on crushing conditions
  • A self-optimizing control device and method based on crushing conditions
  • A self-optimizing control device and method based on crushing conditions

Examples

Experimental program
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Effect test

Embodiment 1

[0056] An embodiment of the present invention provides a self-optimizing control device based on crushing conditions, including:

[0057] A main controller, the main controller is used to control the power output of the breaker, and during specific implementation, an existing controller chip can be directly purchased from the market as the main controller of the embodiment of the present invention;

[0058] The electronic monitor 2 and the engine controller 8; the electronic monitor 2 and the engine controller 8 are all connected to the main controller through the bus; preferably, the electronic monitor 2 and the engine controller 8 are all connected through the CAN bus It is connected with the main controller; the electronic monitor 2 is used for setting parameters of the self-optimizing control device and selecting an optimal control mode. In the actual application process, the electronic monitor 2 can be a touch display, Other devices that can realize display and control ca...

Embodiment 2

[0072] Based on embodiment 1, the difference between this embodiment and embodiment 1 is:

[0073] The self-optimizing control device based on crushing working conditions also includes: a crushing pilot pressure sensor 5 located on the crushing pilot oil circuit of the breaker, used to detect the pressure in the crushing pilot oil circuit, and its output terminal is connected to the main control circuit. The input terminal of the device is connected;

[0074] The main pump pressure sensor 4, the crushing pilot pressure sensor 5 and the nitrogen pressure sensor 6 are all voltage-type sensors, which output a voltage signal of 0.5-4.5V;

[0075] Alternatively, the main pump pressure sensor 4, the crushing pilot pressure sensor 5 and the nitrogen pressure sensor 6 are all current sensors, which output a current signal of 4-20mA.

[0076] In summary, the working principle of the self-optimizing control device based on crushing working conditions in this embodiment is as follows: ...

Embodiment 3

[0086] The difference between this embodiment and embodiment 1 is:

[0087] The self-optimizing control device based on crushing working conditions also includes a nitrogen pressure sensor 6, which is used to be installed on the breaker to detect the pressure of nitrogen in the nitrogen chamber of the breaker, and its output terminal is connected to the connected to the input of the main controller.

[0088] In summary, the working principle of the self-optimizing control device based on crushing working conditions in this embodiment is as follows:

[0089] (1) At least one optimal control mode is preset in the main controller, and at least one crushing power mode is respectively set in each optimal control mode, and each crushing power mode is provided with a corresponding target value;

[0090] (2) Use the electronic monitor 2 to set the maximum flow rate and pressure value of the breaker;

[0091] (3) Use the electronic monitor 2 to select a certain optimization control m...

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Abstract

The invention discloses a self-optimizing control device and method based on crushing working conditions, comprising a main controller, an electronic monitor, an engine controller, a rotational speed sensor, a main pump pressure sensor and a main pump proportional valve, the electronic monitor and the engine controller are all connected to the main controller through the bus; the speed sensor is used to monitor the speed of the engine in the excavator, and its output is connected to the input of the engine controller; the main pump pressure sensor Located at the oil outlet of the main pump on the excavator, the oil outlet pressure of the main pump is detected, and its output end is connected with the input end of the main controller; the control valve of the main pump proportional valve is connected with the main controller The output terminal is connected to the hydraulic pump of the breaker to control the displacement of the hydraulic pump. The invention can realize accurate and efficient power matching and improve the energy saving effect of the device.

Description

technical field [0001] The invention belongs to the technical field of excavator electro-hydraulic control, and in particular relates to a self-optimizing control device and method based on crushing working conditions. Background technique [0002] The hydraulic breaker is a device that uses hydraulic energy as the power source and converts the hydraulic energy into mechanical striking kinetic energy during the movement, so that the piston pushes the drill rod for crushing operations. As a new type of crushing tool, it has the characteristics of low noise, superior crushing performance, energy saving and environmental protection. [0003] The hydraulic excavator is a flexible and widely used construction machinery equipment. Its front-end working device can flexibly carry a variety of tools to achieve the effect of one machine with multiple functions. Entering the 21st century, my country's economy has developed rapidly, infrastructure and mining have developed rapidly, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F9/20E02F9/22
Inventor 李亚东耿家文费树辉孟凡建秦满义简立瑞张敬剑邢泽成
Owner XCMG EXCAVATOR MACHINERY
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