JPS5668719A - Controlling device of combustion - Google Patents

Abstract

PURPOSE: To remove uncomfortable feeling sensed by the human body when the room temperature is varied up and down within a constant temperature width, by controlling the width of differential between a required state of combustion and a combustion stopped state according to the level of heating load, and thereby decreasing the aforesaid differential.

CONSTITUTION: In the outer casing of a forced intake and exhaust type hot-wind oilstove 1, there are provided an intake and exhaust unit 2, combustion drum 4, heat exchanger 5, oil tank 6, circulating fan 22, etc. The temperature of intake air to the oilstove 1 is detected by a room-temperature detector 29 and the output of detector 29 is given to a comparator 42. The comparator 42 makes a comparison between the room temperature signal and a reference signal afforded from a reference signal generator 44 functioning as decoder, which is controlled by a main control unit 45. Further, the above reference signal is compared with a setting temperature signal preset in a temperature setter 41. Outputs of these comparators 42, 43 are given to the main control unit 45, which in turn controls operation of a fuel pump 11 and a damper 49 to change the differential (width of hysteresis) between the combustion stopped state and a rquired state of combustion according to the level of load.

COPYRIGHT: (C)1981,JPO&Japio