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Additionally installed elevator with shallow shaft pit and electrical system thereof

A technology of electrical systems and shallow pits, applied in the field of elevators, can solve problems such as the difficulty of elevator maintenance personnel

Pending Publication Date: 2019-04-19
HANGZHOU OPTIMAX TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Any elevator needs regular daily maintenance and repairs, and shallow pit elevators bring great difficulty to elevator maintenance personnel

Method used

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  • Additionally installed elevator with shallow shaft pit and electrical system thereof
  • Additionally installed elevator with shallow shaft pit and electrical system thereof
  • Additionally installed elevator with shallow shaft pit and electrical system thereof

Examples

Experimental program
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Embodiment Construction

[0060] The present invention will be described in detail below in conjunction with the embodiments and accompanying drawings, but the present invention is not limited thereto.

[0061] Such as figure 1 The electrical system of the shallow pit shown includes an elevator safety circuit, and an operation mode control unit 100 and an uplink control unit 200 are connected in series in the elevator safety circuit.

[0062] The running mode control unit includes parallel emergency electric running branch 101 , safety system triggering branch 102 , car top inspection branch 104 and safety system reset branch 103 . The safety system trigger branch 102 and the safety system reset branch 103 constitute a normal operation branch.

[0063] An emergency electric operation switch ERO is arranged in the emergency electric operation branch circuit 101 . The emergency electric operation switch ERO is located in the control cabinet and is a two-speed rotary button with multiple pairs of contac...

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PUM

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Abstract

The invention discloses an additionally installed elevator with a shallow shaft pit and an electrical system thereof. The electrical system comprises an elevator safety circuit, wherein the elevator safety circuit is connected in series with an operation mode control unit and an uplink and downlink control unit; the operation mode control unit comprises an emergency electric operation branch, a normal operation branch and a car roof overhaul branch that are connected in parallel; and the uplink and downlink control unit comprises a downlink limitation branch, a hall call branch, a car roof call uplink branch and an emergency electric uplink branch that are connected in parallel. A safety space of the shaft pit can be ensured, the elevator is controlled to run safely, and effective technical safety measures are provided for elevator maintenance; the action of a safety system is triggered by an electrical safety device, and only when an emergency stop button returns to normal, the elevator is not in overhaul, and a door lock is turned on, an electrical reset device operates so that the elevator can be exited from the safety system mode and the elevator can resume normal operation.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to an elevator installed in a shallow pit and its electrical system. Background technique [0002] At present, there are a large number of old buildings in the country that need to install elevators, and due to objective facts, the depth of the elevator pit has been reduced in a large range, and the shallow pit elevator can meet this demand. [0003] Any elevator needs regular daily maintenance and repairs, and shallow pit elevators bring great difficulty to elevator maintenance personnel. Because elevator maintenance personnel can easily overlook some potential safety hazards in daily maintenance, in order to reduce the danger of elevator maintenance personnel, it is particularly important to improve the safety guarantee during elevator maintenance in shallow pits. Contents of the invention [0004] The invention provides an elevator installed in a shallow pit and its electric...

Claims

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Application Information

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IPC IPC(8): B66B5/00
CPCB66B5/005B66B5/0087
Inventor 王海峰晏霞钱冬清赵锴汪杰李腾飞
Owner HANGZHOU OPTIMAX TECH
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