KR970062285A - Data display and signal output method and its apparatus of electronically controlled fuel injection system for diesel engine - Google Patents

Abstract

The present invention relates to an electronically controlled fuel injection system for a diesel engine, and more particularly, to a display and signal output method and apparatus for accurately displaying an operating state of a system for improving the efficiency of a system development, an experiment, A detector for detecting system information by a microprocessor of a data display and signal output device transmitted from the device, and a control unit for converting the digital information into an analog signal by means of data and programs recorded in the gap according to the information detected by the detection unit, A hexadecimal number) into a physical quantity (decimal number); a determination unit for determining whether or not to be fixed; a display unit for displaying a result of the conversion performed by the conversion unit and the determination unit by a liquid crystal display (LCD) And an output unit for outputting an analog signal, so that the operation state of the system and the operation state of the electronic control unit are grasped.

Description

Data display and signal output method and its apparatus of electronically controlled fuel injection system for diesel engine

Since this is a trivial issue, I did not include the contents of the text.

FIG. 1 is a block diagram of the present invention. FIG.

FIG. 2 is a flow chart of the present invention. FIG.

Claims (4)

The operation state of the system periodically transmitted by the electronic control unit 1 of the electronically controlled fuel injection system for the diesel engine is detected by the microprocessor 9 and the peripheral device and the program recorded in the ROM 12, (10), and the corrected data is displayed on the liquid crystal display (7) after the stored data is converted into a physical quantity (decimal number). The data display and the signal of the electronically controlled fuel injection system for a diesel engine Output method. 2. The fault diagnosis system according to claim 1, wherein a fault diagnosis program stored in the RAM (10) is used to determine whether the system is faulty, and the judgment result is displayed on each fault indication lamp (6) Wherein the fuel injection system is a fuel injection system for a diesel engine. The fuel injection control system according to claim 1 or 2, wherein the stored data is stored in the ROM (12) and the microprocessor (9) and the digital / analog converter (13) A method of outputting a signal having a predetermined frequency to the signal output terminal 14 and an arbitrary maximum and minimum value for convenience of measurement can be periodically outputted to the signal output terminal 14, Of the fuel injection system for the diesel engine. A detection unit which detects system information by the microprocessor 9 of the data display and signal output apparatus 20 transmitted from the electronic control unit 1 and data and programs recorded in the ROM 12 in accordance with the information detected by the detection unit. A conversion unit for converting the digital information into an analog signal by the conversion unit and converting the digital amount into a physical quantity, a determination unit for determining whether or not the digital information has a failure, a liquid crystal display (LCD) A display section which is indicated by a fault display lamp (6), and an output section which outputs an analog signal. The data display and signal output apparatus of an electronically controlled fuel injection system for a diesel engine. ※ Note: It is disclosed by the contents of the first application.