The invention discloses an ultrathin type fireman's switch. The ultrathin type fireman's switch is provided with a switch box body and a firefighting glass protective cover, and further comprises a control panel and a control switch which are arranged in the switch box body, wherein the fireman's switch is in data connection with normally open contact of an elevator control module; the control switch is connected and fixed on the control panel and capable of leading signal transduction on the control panel; the control panel is in data connection with normally open contact of the elevator control module; the control switch sends an electric signal to the elevator control module by the control panel and controls the operation of an elevator; and the bottom of the switch box body is hollow and provided with integral thickness of 16 mm. The ultrathin type fireman's switch disclosed by the invention has an emergency control function, i.e., when a fire disaster happens upstairs, the ultrathin type fireman's switch can receive an instruction to timely return to the first layer, so that the elevator does not pick up passengers anymore; and the ultrathin type fireman's switch is only for a firefighter to use, is simple in integral structure, and is convenient to mount and dismount.
Ultrathin type fireman's switch
2015-10-21
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |
NTRS | 1977
|NTRS | 1976
Arrangement of whistle lever for the fireman's use
Engineering Index Backfile | 1927
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