| 摘要 |
PURPOSE:To permit the detection of water level in the bath as well as the confirmation of the existence of a person in the bathtub by a remote control at a place except a bathroom by a method wherein a water level detecting unit, detecting the water level in the bathtub by interrupting light connection, is connected to the bathtub and a light sensor group, confirming the existence of a bath lid on the bathtub by utilizing a reflecting body, is provided in the device. CONSTITUTION:A light connecting element group 16 are connected with a constant vertical spaces on the side face of the water level detecting unit 15 connected to the bathtub 1. A cap 17 is connected detachably to the upper end of the water lever detecting unit 15. A light interruptor 18, interrupting the light connection, is a hollow cylindrical type and is constituted so as to flow water into a groove 19 through the cap 17 when the water level is risen suddenly. The light sensor 22, sensing a body by utilizing the reflecting plate 21 attached to the rear surface of the bath lid 20, is connected to the upper end of the bathtub 1. The light connecting element group 16 and a heating controller 8, transmitting and receiving an electric signal, are connected so as to send the informations of the water leverl, hot-water temperature and the opening and closing of the bath lid 20 into a main control unit 14. |
