Explosion-proof engine start protection circuit and control method thereof

A starting protection and engine technology, which is applied to the starting of the engine, the starting of the engine with an electric motor, and the engine components, etc., can solve the problems of shortened service life of the explosion-proof engine, long starting time, and burnout of the starting engine, so as to avoid the running time of the starting motor. too long effect

Pending Publication Date: 2018-02-09
江西鑫通机械制造有限公司
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AI Technical Summary

Problems solved by technology

[0002] The engine is the core of the machine. When the engine of the prior art is ignited and started, it may take too long to start, or it may be started frequently. This will easily cause the engine to heat up and burn out, which in turn will greatly shorten the service life of the explosion-proof engine.

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  • Explosion-proof engine start protection circuit and control method thereof

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following specific embodiments.

[0018] An explosion-proof engine starting protection circuit, which includes four groups of circuits connected in parallel at both ends of the power supply, which are respectively the first circuit, the second circuit, the third circuit and the fourth circuit,

[0019] The first circuit includes a coil of an oil control relay K5B and an oil pressure switch P arranged in series;

[0020] The second circuit includes a second primary circuit connected in series, a time delay action normally closed contact of the time relay KA14 and a second secondary circuit, and the second secondary circuit includes a control relay K1B coil set in parallel With the start relay K1 coil, the second secondary circuit includes an ignition button switch S3 and a normally open contact of th...

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Abstract

The invention relates to the technical field of engines, in particular to an explosion-proof engine start protection circuit and a control method thereof. The explosion-proof engine start protection circuit comprises four sets of circuits connected to two ends of a power supply in parallel: a first circuit, a second circuit, a third circuit and a fourth circuit; through adding of control to a machine oil pressure switch P and a time relay KA14, after an engine is successfully started, the power failure of a motor M is immediately controlled through machine oil pressure signals; and if the engine cannot be successfully started, the power failure of the motor is controlled through time set by the time relay KA14, so that the heating burnout phenomenon in motor starting caused by longer motorstarting operation time can be prevented.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to an explosion-proof engine starting protection circuit and a control method thereof. Background technique [0002] The engine is the core of the machine. When the engine of the prior art is ignited and started, it may take too long to start, or it may be started frequently. This will easily cause the engine to heat up and burn out, which in turn will greatly shorten the service life of the explosion-proof engine. . Contents of the invention [0003] A technical problem to be solved by the present invention is to provide a starting protection circuit for an explosion-proof engine. Using this protection circuit, the service life of the engine is longer. [0004] A technical solution adopted in the present invention is: an explosion-proof engine starting protection circuit, which includes four groups of circuits connected in parallel at both ends of the power supply, which are res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02N11/08F02N11/10
CPCF02N11/0848F02N11/087F02N11/106
Inventor 孙崇君王凯杨浩刘成亮邹海波
Owner 江西鑫通机械制造有限公司
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