Engine endoscope cooling control device and method

Abstract

The invention mainly relates to an engine endoscope cooling control device and method. The engine endoscope cooling control device comprises a power source, a cooling air source, a JMP electronic speed relay, an air electromagnetic valve, a pressure relay, a fuel oil electromagnetic valve, an engine and an endoscope installed on an engine cylinder cover. The power source is connected with the JMP electronic speed relay, the air electromagnetic valve, the pressure relay and the fuel oil electromagnetic valve. The cooling air source, the air electromagnetic 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. The fuel oil electromagnetic valve controls start and end of fuel oil supply of the engine and is connected with the pressure relay. The JMP electronic speed relay is installed on a flywheel cover of the engine and used for automatic control over cooling air of the endoscope and used for self-protection when the cooling effect is bad. By means of the control method, it can be guaranteed that the endoscope can safely and reliably run, and production cost is saved.

Description

technical field [0001] The invention belongs to the technical field of engine in-cylinder combustion testing, and mainly relates to an engine endoscope cooling control device and control method. 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 combustio...

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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