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Diesel engine electronic control unit microcontroller module

A microcontroller module, diesel engine technology, applied in electrical control, engine control, fuel injection control, etc., can solve the problems of occupation, increase the hardware of diesel electronic control unit, quality cost, etc., achieve simple algorithm, low cost, easy to use Effect

Active Publication Date: 2017-06-16
NANYUE FUEL INJECTION SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method is easy to implement, it will take up more circuit board (PCB) area of ​​the control unit and more microcontroller pins, and a relatively independent EEPROM memory chip will increase the hardware of the diesel engine electronic control unit (ECU). , quality cost

Method used

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  • Diesel engine electronic control unit microcontroller module
  • Diesel engine electronic control unit microcontroller module

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Embodiment Construction

[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further elaborated below.

[0016] see figure 1 The shown diesel engine electronic control unit microcontroller module includes a controller power-on and power-off management module 100, an application software module 200 and a microcontroller module 300, and the controller power-on and power-off management module 100 is connected to a delayed power-off module 400 .

[0017] Microcontroller module 300 comprises kernel 310 and read / write module 1, and read / write module comprises the RAM module 320 that is connected with application software module 200 and at least two FlashROM modules 330 that are connected with RAM module 320, the FlashROM module among the present embodiment 330 is two blocks, wherein a FlashROM module 331 is used to store power-off and save data, and FlashROM module 332 is used to store app...

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PUM

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Abstract

The invention discloses a micro-controller module of an electronic control unit of a diesel engine, which includes a controller power-on and power-off management module, an application software module and a micro-controller module. The controller power-on and power-off management module is connected with a delayed power-off module, Microcontroller module comprises: kernel; Read / write module, and read / write module comprises the RAM module that is connected with application software module and at least two FlashROM modules that are connected with RAM module, and wherein a FlashROM module is used for storing power-off preservation data, and Other FlashROM modules are used to store application software program codes, and the read / write module also includes a power supply module connected to the power-on and power-off management module of the controller and a FlashROM program code module for storing and realizing the work of the FlashROM module. The invention realizes the function of the EEPROM through the FlashROM module, and fulfills the requirement of the diesel engine electric control unit on the EEPROM.

Description

technical field [0001] The present invention relates to the technical field of electronically controlled fuel systems for diesel engines, in particular to an EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory, charged Erasable programmable read-only memory) module of diesel engine electronic control unit microcontroller module. Background technique [0002] As the diesel engine changes from a mechanical fuel system to an electronically controlled fuel system, especially the implementation of OBD (On-BoardDiagnostic, on-board diagnostic system), the diesel engine control unit must have an EEPROM device to save engine operation and OBD monitoring, Manage the required data. The existing EEPROM method used in the diesel engine electronic control unit is to store various required data through a dedicated EEPROM chip, which can be accessed by bytes. Although this method is easy to implement, it will take up more circu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/24
Inventor 龙美彪欧阳玲湘黄民备孟卫东谢龙郑昌熊明富陈顺利丁才云邓飞陈卫
Owner NANYUE FUEL INJECTION SYST CO LTD
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