Fire early warning device suitable for grain drying equipment

The invention discloses a fire early warning device suitable for grain drying equipment, which comprises a PLC (Programmable Logic Controller) connected with a temperature monitoring sensor, a wind pressure monitoring sensor, a frequency converter of a circulating fan, a frequency converter of an ex...

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Bibliographische Detailangaben
Hauptverfasser:	LIU MIN, CUI CHENGPENG, WANG TIEXIN, WANG CHUNPENG, PAN ZHIYONG, JIANG CHANGKE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS BLASTING CHEMICAL RIPENING OF FRUIT OR VEGETABLES DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FIRE-FIGHTING FOODS OR FOODSTUFFS HEATING HUMAN NECESSITIES LIFE-SAVING LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE MECHANICAL ENGINEERING ORDER TELEGRAPHS PHYSICS PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING THE PRESERVED, RIPENED, OR CANNED PRODUCTS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a fire early warning device suitable for grain drying equipment, which comprises a PLC (Programmable Logic Controller) connected with a temperature monitoring sensor, a wind pressure monitoring sensor, a frequency converter of a circulating fan, a frequency converter of an exhaust fan and a gas supply electromagnetic valve of a combustion furnace, the PLC controls the air volume of the circulating fan and the air volume of the exhaust fan by controlling a frequency converter of the circulating fan and a frequency converter of the exhaust fan, the PLC controls the temperature of the combustion furnace by controlling an air supply electromagnetic valve of the combustion furnace, and the temperature monitoring sensor is used for monitoring the temperature of all positions in the drying equipment body. And the air pressure monitoring sensor is used for monitoring the pressure at the exhaust fan and the circulating fan. The system has the following advantages that the temperature sensor and