Sedan -chair elevator that can save oneself

The utility model discloses a sedan -chair elevator that can save oneself, it includes car, microcomputer controller, install in the switch box of saving oneself in the car, install in the room of car door detector, install in the foreign matter detection device and the audible -visual annunciator of car upside, being equipped with the request of saving oneself switch in the switch box of saving oneself, confirming the run switch, save oneself the request switch with microcomputer controller's input electricity is connected, and the affirmation moves the circuit and includes the affirmation run switch of establishing ties each other and feed back switch, foreign matter switch, save oneself the request switch, confirm that the run switch is normally open switch, room door detector includes photoelectric sensor, treater, foreign matter detection device includes photoelectric detector, controller. Two switches are pressed simultaneously to start and are saved oneself, judge through switch conduction room door de