Air conditioner for vehicle

Abstract

Abstract PURPOSE: To obtain an air conditioning which is suitable for human sense for temperature in each season, by controlling the open degree of an air-mixing door so that the temperature may reach the desired blowing temperature determined by equilibrium performance expression of heat quantity. CONSTITUTION: In a set temperature compensation circuit 41, a corrected set temperature TO shall be obtained by means of three sorts of performance expression corresponding to each value of ambient temperature TA, so as to permit a room temperature TR to change according to the ambient temperature, taking the human sense for temperature in consideration. Then, a standard blowoff temperature TACO is obtained through the temperature equilibrium expression, on the basis of set room temperature TO, ambient temperature TA and sunshine temperature TS, in the standard blowing temperature arithmetic circuit 42. TACO=dTO+eTA+fTS+g. On the other hand, compensatory amount of temperature ΔT related to the standard blow-off temperature shall be obtained in an arithmetic circuit 43 for correction blow-off temperature, and these arithmetic values are added by an adder 44, furthermore, the open degree of an air mixing door is calculated to obtain this desired blow-off temperature through an open degree arithmetic circuit 45. COPYRIGHT: (C)1982,JPO&Japio

Inventors

• 👤 Tetsuya Iijima
• 👤 Seiichi Takahashi

Bibliographic Details