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A throttle control device and construction machinery

A technology of throttle control and throttle, applied in the direction of mechanical equipment, engine control, machine/engine, etc., can solve the problem of signal interface incompatibility, etc., and achieve the effect of reasonable structure, high control precision and low cost

Active Publication Date: 2015-11-18
WEICHAI POWER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device has a signal conversion function, which can effectively solve the technical problem that the electronically controlled engine is incompatible with the signal interface of the original vehicle control system in the process of replacing the mechanical pump engine with the electronically controlled engine

Method used

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  • A throttle control device and construction machinery
  • A throttle control device and construction machinery

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Embodiment Construction

[0028] The core of the invention is to provide an accelerator control device. The device has a signal conversion function, which can effectively solve the technical problem that the electronically controlled engine is incompatible with the signal interface of the original vehicle control system in the process of replacing the mechanical pump engine with the electronically controlled engine.

[0029] Another core of the present invention is to provide a construction machine provided with the accelerator control device.

[0030] In order to enable those skilled in the art to better understand the solution of the present invention, the following will take an excavator as an example and further describe the present invention in detail in conjunction with the accompanying drawings and specific implementation methods.

[0031] Please refer to figure 2 , figure 2 It is a structural block diagram of a specific embodiment of the accelerator control device provided by the present in...

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Abstract

The invention discloses an accelerator control device. The accelerator control device comprises a vehicle controller, an accelerator motor and an engine controller, and further comprises a signal conversion module, wherein the signal conversion module is provided with the accelerator signal converter; the input end of the accelerator signal converter is connected with the accelerator motor, and the output end of the accelerator signal converter is connected to the input end of the engine controller. The device has a signal conversion function, can effectively solve the technical problem of incompatibility of an electric control engine with a signal interface of the original vehicle control system when the electric control engine replaces a mechanical pump type engine, has the advantages of rational structure, low cost, high control precision and the like, and can be widely applied to an excavator power system with the electric control engine as the main fitting. The invention also discloses an engineering plant with the accelerator control device.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to an accelerator control device for engineering machinery. The invention also relates to construction machinery provided with the accelerator control device. Background technique [0002] "Low emission and low energy consumption" has become a common issue facing the world. On October 1, 2010, my country implemented the second-stage non-road country emission regulations, and began to study the relevant indicators of the third-stage non-road country emission regulations. [0003] At present, the main configuration of the power system of most construction machinery (such as excavators) is a mechanical pump engine. This kind of engine has been widely used in the second stage of non-road countries due to its simple structure, low technical content, and low maintenance and repair costs. ; but in the face of the non-road National III emission regulations in the next stage, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D11/10
Inventor 乔海周邓博文常久鹏俞宜锴王占
Owner WEICHAI POWER CO LTD
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