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A gas engine ignition control system

A gas engine, ignition control technology, applied in engine ignition, electrical automatic control, spark ignition controller, etc., can solve problems affecting the performance and reliability of gas engine, inaccurate ignition time of gas engine, inconsistent cylinder exhaust temperature, etc. problems, to achieve the effect of improving stability and reliability, uniform combustion and work, and ensuring accuracy

Active Publication Date: 2017-08-29
CHONGQING GOOGOL ENGINE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inaccuracy of the measured speed and the phase of the first cylinder, the ignition time of the gas engine is inaccurate, which is more than 2° different from the set ignition advance angle; the ignition time interval of each cylinder is not uniform, and the exhaust temperature of each cylinder is also inconsistent , thus affecting the performance and reliability of the gas engine

Method used

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  • A gas engine ignition control system
  • A gas engine ignition control system
  • A gas engine ignition control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment one: see figure 1 A gas engine ignition control system shown includes an ignition controller 1, a flywheel disc 7 and a flywheel ring gear 8 installed on the crankshaft of the gas engine, and a camshaft signal disc 12 installed on the camshaft of the gas engine. Substantive features are:

[0027] A first electromagnetic sensor 5 is electrically connected with the ignition controller, and the first electromagnetic sensor corresponds to the screw 6 arranged on the flywheel disc, and the screw is arranged radially along the flywheel disc; the screw For steel material. The first electromagnetic sensor is used to measure phase.

[0028] A second electromagnetic sensor 9 is electrically connected to the ignition controller, and the second electromagnetic sensor corresponds to the rim of the flywheel ring gear; the second electromagnetic sensor is used to measure the rotational speed.

[0029] A Hall sensor 10 is electrically connected with the ignition controlle...

Embodiment 2

[0039] Embodiment 2: The camshaft signal plate 12 is installed on the drive shaft of the fuel pump, and the rest are the same as Embodiment 1.

[0040]The working principle of the present invention will be described below by taking the gas engine R780 as an example. R780 is a four-stroke in-line six-cylinder engine. The six cylinders are: the first cylinder A1, the second cylinder A2, the third cylinder A3, the fourth cylinder A4, the fifth cylinder A5 and the sixth cylinder A6. The ignition sequence is the first Cylinder A1 - the fifth cylinder A5 - the third cylinder A3 - the sixth cylinder A6 - the second cylinder A2 - the fourth cylinder A4, the ignition interval angle is 120°, the ignition angle of the first cylinder A1 is 0° - the fifth cylinder A5 The ignition angle of the third cylinder A3 is 120° - the ignition angle of the third cylinder A3 is 240° - the ignition angle of the sixth cylinder A6 is 360° - the ignition angle of the second cylinder A2 is 480° - the ignit...

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Abstract

The invention relates to an ignition control system of a gas engine. The ignition control system of the gas engine comprises an ignition controller, a flywheel panel, a flywheel gear ring and a camshaft signal panel, wherein the flywheel panel and the flywheel gear ring are installed on a crankshaft of the gas engine; the camshaft signal panel is installed on the crankshaft of the gas engine; a first electromagnetic sensor is electrically connected with the ignition controller and corresponds to a screw arranged on the flywheel panel; a second electromagnetic sensor is electrically connected with the ignition controller and corresponds to a wheel flange arranged on the flywheel gear ring; a Hall sensor is electrically connected with the ignition controller and corresponds to a magnetic nail arranged on the camshaft signal panel; an even number of high-voltage coils are electrically connected with the ignition controller and electrically connected with an even number of spark plugs arranged on air cylinders correspondingly. The ignition control system of the gas engine can accurately control the ignition time of each air cylinder of the gas engine, enables mixed gas in each air cylinder to be evenly combusted and work, and improve the stability and reliability of the gas engine.

Description

technical field [0001] The invention relates to an engine control system, in particular to a gas engine ignition control system. Background technique [0002] Gas engines are widely used because of their lower emissions and lower fuel costs than diesel engines. During the working process, the gas engine relies on the ignition system to ignite the mixture gas, so all gas engines need to use the ignition system. The existing gas engine ignition system usually uses a phase sensor and a camshaft signal plate to collect the phase and speed signals of the gas engine. The signal plate is usually N+1 teeth (N represents multiple, usually 6 to 20, they It is evenly distributed on the circumference of the signal disc, 1 means that there is another tooth that is not evenly distributed with the N teeth, and it is also on the circumference of the signal disc). This kind of signal plate is relatively small, and the number of teeth is usually less than 20. Because of the small number of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02P5/145F02P7/067F02P7/07
CPCF02P5/145F02P7/067F02P7/07
Inventor 温国生刘地长
Owner CHONGQING GOOGOL ENGINE TECH