A control method for an engine endoscope cooling control device

Abstract

The invention mainly relates to a control method of an engine endoscope cooling control device. The device includes power supply, cooling air source, JMP electronic speed relay, air solenoid valve, pressure relay, fuel solenoid valve, engine and an endoscope installed on the engine cylinder head; the power supply and JMP speed relay, air solenoid valve, The pressure relay is connected to the fuel solenoid valve; the cooling air source, the air solenoid valve, and the air inlet end of the endoscope are connected in series through an air pipeline; the pressure relay is connected to the air outlet end of the endoscope, and the fuel solenoid valve controls the engine The fuel on-off is connected with the pressure relay, and the JMP electronic speed relay is installed on the flywheel housing of the engine for automatic control of the cooling air of the endoscope and self-protection when the cooling effect is bad, and the control method of the present invention can ensure Endoscopes operate safely and reliably, saving production costs.

Description

technical field [0001] The invention belongs to the technical field of engine cylinder combustion testing, and mainly relates to a control method of an engine endoscope cooling control device. Background technique [0002] Visualization of engine combustion is one of the most advanced and effective experimental means to study its combustion process. In recent years, the rapid development of optics, computer and high-speed image processing technology provides a powerful tool for engine combustion visualization. Researchers at home and abroad have used advanced testing technology to design various diesel engine combustion visualization experimental devices, conducted research on various aspects of diesel engine combustion, and obtained a large number of experimental data of the combustion process, which provides a systematic and in-depth understanding of engine combustion. The characteristic law of development will further deepen the understanding of diesel engine combustion ...

AI Technical Summary

Problems solved by technology

The latter needs to insert the industrial tubular hard mirror endoscope into the combustion chamber. In the test, since the endoscope is directly affected by the high-temperature and high-pressure gas in the engine combustion chamber, good cooling measures must be taken for it. If the cooling effect Not good, or the cooling pipeline is blocked, which will cause overheating and damage to the lens, which not only affects the development of research work, but also mostly uses imported endoscopes, which are extremely expensive and cause large economic losses

At present, there is no report on the endoscope cooling and protection device in the domestic endoscope testing system

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