Circuit system of LCD (Liquid Crystal Display) module of solid combustion engine meter
A technology of display module and internal combustion engine, which is applied in the field of circuit system, can solve the problems of lower reliability, easy damage of movable mechanism, increase of maintenance cost, etc., and achieve the effect of improving reliability
Active Publication Date: 2013-05-29
CURTIS TECH SUZHOU
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Problems solved by technology
[0002] Nowadays, in many internal combustion engine locomotives, the instruments that display the working parameters of the internal combustion engine are usually pointer instruments, which belong to the magnetoelectric structure, and there are movable mechanisms in them. In some harsh environments such as material handling and construction machinery, the movable mechanisms are easily damaged. Reduce its reliability, it will be repaired frequently, increasing the cost of maintenance
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[0010] like figure 1 The circuit system of the LCD display module of a solid-state internal combustion engine instrument is shown. The power input terminal 1 is sent to the single-chip microcomputer 10 through the first-level voltage stabilizing module 5 and the second-level voltage stabilizing module 6, and the other way is sent to the single-chip microcomputer through the power supply voltage sampling module 8. 10. The power supply input terminal 1 is also connected with the backlight power supply module 7; the sensor input terminal 2 transmits the signal to the single-chip microcomputer 10 through the sensor input sampling module 9; the ISP programming port 11 and the serial communication port 12 transmit the signal to the single-chip microcomputer 10; LCD display The module 13 is connected to the single-chip microcomputer 10; the single-chip microcomputer 10 processes the input signal and outputs it through the low-order output terminal 3 and the high-order output terminal ...
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The invention relates to a circuit system of an LCD (Liquid Crystal Display) module of a solid combustion engine meter. The circuit system is characterized in that one path of a power input end is transmitted to a singlechip through a first-level voltage-stabilizing module and a second-level voltage-stabilizing module, and the other path is transmitted to the singlechip through a power voltage sampling module; the power input end is also connected with a backlight power module; a sensor input end transmits a signal to the singlechip through a sensor input sampling module; an ISP (In-System Programmer) programming interface and a serial communication interface transmit the signal to the singlechip; the LCD display module is connected with the singlechip; and the singlechip processes the input signal and then outputs through a low-order output end and a high-order output end and displays through the LCD module. Through adopting the solid LCD to substitute the traditional pointer display, the circuit system disclosed by the invention greatly enhances the reliability and is suitable for severe environments, such as material handling, engineering machinery, and the like.
Description
technical field [0001] The invention relates to a circuit system that can be used to indicate the working parameters of an internal combustion engine, in particular to a circuit system of an LCD display module of a solid state internal combustion engine instrument. Background technique [0002] Now in many internal combustion engine locomotives, the instruments that display the working parameters of the internal combustion engine usually use pointer instruments, which belong to the magnetoelectric structure, and there are movable mechanisms in them. In some harsh environments such as material handling and construction machinery, the movable mechanisms are easily damaged. Its reliability is reduced, and it will be repaired frequently, which increases the cost of maintenance. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a circuit system of an LCD display module of a solid-state internal combustion engine instrum...
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IPC IPC(8): G09G3/18G01M15/02
Inventor 许怡章燕军
Owner CURTIS TECH SUZHOU