A bypass device for floor doors and car doors of machine-room-less elevators

Abstract

The invention relates to a laterally-connected device for a landing door and a car door of an elevator without a machine room. The laterally-connected device comprises a maintenance cabinet fixed outside a hall, a laterally-connected plug-in, a normal plug-in, a car door plug-in and a landing door plug-in. The maintenance cabinet contains an elevator control microcomputer. The laterally-connected plug-in is connected with the elevator control microcomputer so that a car door lock circuit, a normal work circuit and a landing door lock circuit are formed. The laterally-connected plug-in comprises a first contact, a second contact, a third contact, a fourth contact, a fifth contact, and a sixth contact. The first contact and the second contact are connected to two ends of a landing door lock of the landing door lock circuit in parallel. The third contact and the fourth contact are connected to the normal work circuit in series. The fifth contact and the sixth contact are connected to two ends of the landing door lock of the landing door lock circuit in parallel. The laterally-connected device for the landing door and the car door of the elevator without the machine room has following beneficial effects: the device is fixed in the maintenance cabinet outside the hall, thereby facilitating operation by a maintainer; and when failure occurs, the maintainer can enter a hoistway to perform operation on a control cabinet.

Description

technical field [0001] The invention relates to a side connection device of an elevator, in particular to a side connection device of a floor door and a car door of an elevator without a machine room. Background technique [0002] With the development of national urbanization, the application of elevators as a means of urban transportation is becoming more and more common. While elevators bring convenience to people's lives, there are also many hidden dangers. Among them, the elevator floor door lock or car door lock, as an elevator safety component, plays a vital role in the safe operation of the elevator. In recent years, elevator accidents have occurred frequently, many of which are related to the door lock system. Therefore, the inspection and maintenance of the floor door lock or car door lock will be the key to ensure the normal operation of the elevator. However, during the inspection process of the elevator, it is sometimes necessary to short-circuit the door lock ...

AI Technical Summary

Problems solved by technology

The existing problem is: this technical solution is only applicable to the maintenance of the fault of the landing door lock, but not to the fault of the car door lock. When only the fault of the car door lock occurs, there is also a risk of shearing; and the technology The scheme is operated in the control cabinet of the machine room. However, since the control cabinet of the machine room-less elevator is installed inside the well, when the door lock fails, the maintenance personnel cannot enter the inside of the well to operate the control cabinet.

The existing problem is: when the floor door lock and the car door lock are disconnected and failed at the same time, this technical solution can also be used to short-circuit the floor door lock and car door lock, and enter the maintenance operation, there is a risk of door opening operation, which is prone to accidents. Falling or shearing accidents; and this technical solution is operated in the control cabinet of the machine room. However, since the control of the inorganic elevator is installed inside the shaft, when the door lock fails, the maintenance personnel cannot enter the inside of the shaft to perform maintenance on the control cabinet. operate

Specifically: limit the short-circuiting operation of the installer to only short-circuiting the hall door lock link. After the short-circuiting operation, the elevator is restricted to only be able to perform car top inspection and operation, and the elevator cannot run quickly.

The problem is that this technical solution only short-circuits the hall door lock and restricts access to the maintenance state, but does not confirm whether the car door is closed. Therefore, when the hall door and car door lock fail at the same time, the car door may fail. If it is opened, there is a risk of running with the door open, and there is a risk of falling or shearing; in addition, this technical solution is operated in the control cabinet of the machine room, but since the control of the inorganic elevator is installed inside the hoistway, when the door lock fails, maintenance Personnel cannot enter the hoistway to operate the control cabinet

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