| 摘要 |
An alarm device for a laser cutting/engraving machine, it provides on the main body of the cutting/engraving machine an air blower set, a fire source detector, an alarm means and an alarm control system etc.; an air outlet of the air blower set is located on a cutting/engraving platform, an air pressure sensor provided in an air pipe is connected to the alarm control system, thereby, heat, waste gas and waste material produced by the cutting/engraving machine can be taken off effectively to prevent generating of a tongue of flame. The fire source detector is provided at a suitable position on the cutting/engraving platform connecting with the alarm control system for detecting generating of a fire source, and warns the operator in time, thereby, an excellent effect of fire proofing and warning can be achieved, and this can increase safety as well as practicality in use.
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