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1. 发明专利

JPS6096848A CONTROLLER OF OPEN AIR INTAKE 失效
公开(公告)号：JPS6096848A
公开(公告)日：1985-05-30
申请号：JP6315384
申请日：1984-04-02
申请人： HITACHI LTD
发明人： HATAKEYAMA JIYUNICHI , MATSUMOTO KUNIAKI , SHINSHI MICHIO
IPC分类号： F24F3/048 , F24F11/00 , F24F11/02
摘要： PURPOSE:To prevent the rise of running cost by introduction of the open air from increasing, by so constituting the titled device that a number of persons staying in a room is detected by detecting a number of entering persons and a number of leaving persons, the necessary minimum quantity of introduction of the open air is calculated based on the number of persons staying in the room and the open air is taken-in based on the calculated value. CONSTITUTION:A quantity equivalent to a number of persons staying in a room is detected by a device consisting of light sources 7a, 8a, light receiving devices 7b, 8b and a pulse counter at an entrance 7 and an exit 8. The quantity equivalent to number of persons staying in the room is sent to an operating circuit 10 at every fixed intervals. A damper opening is decided according to the number of persons staying in the room at that time through a function of the number of persons (p) staying in the room - the damper opening (a) established by a data input device 11 beforehand, in the circuit 10. Instructions of the damper opening are sent to a driving device 12 of a damper, the damper 4 is driven by controlling a driving motor 13 according to a difference with the damper opening at that time and the opening is determined as decided by the circuit 10. A quantity of introduced open air corresponding to the number of persons staying in the room is determined and set at an appropriate temperature by an air conditioner 5 and supplied to a counter 1 through a duct 6 in this manner.

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