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Electric device centralized control system with data bus for engineering machinery

A centralized control system and data bus technology, applied in the general control system, control/regulation system, computer control, etc., can solve the problems of poor feasibility, easy misoperation, difficult maintenance, etc., to reduce wiring harness connections, cost, and reliability High, small size effect

Inactive Publication Date: 2006-07-12
GUANGXI LIUGONG MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the past, it was necessary to realize engine start control, front wiper control, rear wiper control, wiper water spray control, brake light control, left turn signal control, flameout electromagnet control, right turn signal control, reverse alarm control, Headlight low beam control, headlight high beam control, front work light control, rear work light control, defrost control, pilot electromagnet control, small light control, emergency brake valve control, etc., generally use their own control circuit and mechanical switch buttons, so a large number of mechanical switch buttons and control lines are used, the wiring harness is connected, the cost is high, the feasibility is poor, and it is easy to misuse. Because the working environment of construction machinery is very harsh, a large number of mechanical switches Buttons and control circuits are poorly accessible and difficult to repair

Method used

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  • Electric device centralized control system with data bus for engineering machinery
  • Electric device centralized control system with data bus for engineering machinery
  • Electric device centralized control system with data bus for engineering machinery

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Embodiment Construction

[0020] In this embodiment, the data bus adopts the SPI bus mode, and the SPI (Serial Peripheral Interface) bus is a serial bus technology, which only uses 3 signal lines for data transmission. The 3-wire structure enables the instrument display system to reduce the space occupation and production cost of a large number of data leads. The data transmission rate of the bus is controlled by the microprocessor, so data verification and error correction technology can be used to ensure the reliable transmission of control commands and achieve error-free control of electrical equipment. After adopting SPI bus technology, present embodiment:

[0021] It has a microprocessor U101, and the microprocessor U101 sends and receives data signals from the communication interface of the construction machinery to the parameter data of the main controller of the construction machinery;

[0022] It has a conversion circuit connected to the construction machinery data bus. The data bus adopts th...

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Abstract

The invention discloses a concentration control system of engineering mechanical data bus electric appliance in the engineering mechanical domain, which comprises the following parts: microprocessor, conversion circuit and high power switch array, wherein the microprocessor sends and receives the data signal of main controller parameter data; the conversion circuit connects the engineering mechanical data bus, which transmits data bus signal into recognizable signal for microprocessor; the high power switch array magnifies the button switch signal into corresponding execution structure working. The invention reduces the cost and accomplishes the flexible control of electric appliance, which is fit for terrible environmental, high reliable, small bulk engineering mechanics.

Description

technical field [0001] The invention relates to a construction machinery data bus electric centralized control system for centralized control of electric appliances in construction machinery. Background technique [0002] In the past, it was necessary to realize engine start control, front wiper control, rear wiper control, wiper water spray control, brake light control, left turn signal control, flameout electromagnet control, right turn signal control, reverse alarm control, Headlight low beam control, headlight high beam control, front work light control, rear work light control, defrost control, pilot electromagnet control, small light control, emergency brake valve control, etc., generally use their own control circuit and mechanical switch buttons, so a large number of mechanical switch buttons and control lines are used, the wiring harness is connected, the cost is high, the feasibility is poor, and it is easy to misuse. Because the working environment of construction...

Claims

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Application Information

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IPC IPC(8): G05B19/418G05B15/02H03K19/177
Inventor 邵以东许川佩韦赞洲钟荣康
Owner GUANGXI LIUGONG MASCH CO LTD
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