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Electronic throttle driving circuit

A technology for electronic throttle and driving circuit, which can be used in the layout, transportation and packaging of circuits or fluid pipelines, power plant control mechanisms, etc., and can solve problems such as high cost and large volume.

Active Publication Date: 2012-06-27
CAMALUOYANGELECTROMECHANIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an electronic throttle drive circuit, which is implemented on the basis of existing dynamometer products, to solve the problem of large volume and high cost in the prior art

Method used

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Examples

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0012] Such as figure 2 , 3 An engine electronic accelerator drive circuit composed of MAX5322 is composed of an input circuit, a voltage reference generation circuit, a D / A conversion circuit, an output circuit, and a power supply circuit module.

[0013] Input circuit: It is composed of the serial port SPI port, the clock, data output and SS2 pin of the SPI2 port of DSPIC30F6014A are connected with the corresponding pins of MAX5322 to form a serial communication mode.

[0014] Voltage reference circuit: the DA converter MAX5322EAI is provided with two reference voltage input terminals REFA and REFB corresponding to dual outputs. The two reference voltage input terminals are connected to the voltage reference generation circuit, which is connected to the power supply, including from The series resistor R3, the voltage reference integrated block TL431, and...

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PUM

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Abstract

The invention relates to an electronic throttle driving circuit, which comprises a lower computer and is characterized in that the lower computer is connected with a digital-to-analog (D / A) converter through a serial port, and the D / A converter is provided with a dual-channel output end used for driving an electronic throttle. Since the lower computer exists in the product at early time, the driving of the electronic throttle can be realized only by using the remaining pins of the lower computer to connect with one piece of D / A chip, the circuits are integrated together, the cost is saved, the functions are expanded and the technical progress is followed.

Description

technical field [0001] The invention relates to an electronic throttle driving circuit. Background technique [0002] With the rapid development of the automobile industry, a considerable part of the engines in production have realized the electronic throttle drive. Electronic throttle drive has become an unstoppable trend due to its precise, fast, reliable and convenient control. The engine electronic throttle drive circuit matched with the dynamometer is also essential. At this stage, the digital control system is generally used to control the D / A board output analog quantity or to control the Adam module analog quantity as the engine electronic throttle drive circuit, such as figure 1 shown. In this way, the industrial computer needs to be equipped with corresponding boards, which takes up a large volume and increases the cost. Contents of the invention [0003] The purpose of the present invention is to provide an electronic accelerator driving circuit, which is im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K26/00B60R16/02
Inventor 刘仁杰严世宝赵大为姚星周王静韩国峰杨敬伟孙勇湘赵小平姚军杨祖勇王凤魁
Owner CAMALUOYANGELECTROMECHANIC
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