JPS6184356U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is an explanatory schematic diagram of a fire extinguishing safety device for a kerosene stove according to an embodiment of the present invention during standing flames and oxygen deficiency, Fig. 2 is a control circuit diagram of the same, and Fig. 3 shows standing flames and oxygen deficiency. FIG. 3 is a characteristic diagram showing the relationship between the top plate temperature and the resistance value of the heat-sensitive element in FIG. 3... Flame, 4... Heat-sensitive element, 7... Anti-seismic automatic fire extinguishing device, 8... Control circuit, 11... Motor, 13... Second comparator, 14... First comparator.

Claims (1)

[Scope of utility model registration request] It is equipped with a wick that forms a flame between the wick guide tube and the core outer tube, and is also equipped with an anti-seismic automatic fire extinguishing device that detects a fall or vibration and pulls down the wick to extinguish the fire. It is equipped with a heat-sensitive element 4 that senses temperature changes in the vicinity of the changing flame 3 and a control circuit 8 that is activated by the heat-sensitive element 4, and is activated when a flame is established by inputting signals from the heat-sensitive element 4, respectively. It is equipped with a first comparator 14, a second comparator 13 that operates in the event of oxygen deficiency, and a timer circuit C that operates after an appropriate period of time has elapsed after the start of ignition, and an output OR of the timer circuit C and the first comparator 14; Or the second comparator 13 and timer circuit C
A fire extinguishing safety device for a kerosene stove in the event of a standing flame or lack of oxygen, comprising a control circuit 8 including a motor 11 that operates an anti-seismic automatic fire extinguishing device 7 based on the logical product of the outputs.