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Elevator device

An elevator control device and elevator technology, applied in the direction of transportation and packaging, elevators, etc., can solve problems such as not suitable for shuttle operation, and achieve the effect of improving operating efficiency

Active Publication Date: 2018-01-30
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On the other hand, the multi-car elevator system restricts the movement of each car to avoid collisions between the cars, so it is not suitable for shuttle operation in which a large number of passengers are transported at once.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0024] figure 1 It is a block diagram showing a multi-car type elevator apparatus according to Embodiment 1 of the present invention using some blocks. In the figure, a first car (upper car) 2, a first counterweight 3 corresponding to the first car 2, a second car (lower car) 4 and A second counterweight 5 corresponding to the second car 4 . The second car 4 is arranged directly below the first car 2 .

[0025] On the upper part of the hoistway 1, a first driving device (first traction machine) 6 for raising and lowering the first car 2 and the first counterweight 3, and a second driving device (first traction machine) for raising and lowering the second car 4 and the second counterweight 5 are provided. Drive device (second traction machine) 7. Each drive device 6, 7 has a drive sheave, a motor that rotates the drive sheave, and a brake that brakes the rotation of the drive sheave. The first and second cages 2 and 4 are independently raised and lowered in the hoistway 1 b...

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PUM

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Abstract

In an elevator system, a plurality of cars independently ascends and descends in the same hoistway. The inter-car buffer cushions the impact caused by the collision between the cars. The operation modes of the elevator control device include: an independent operation mode, in which the cars run independently; and a close-to-synchronous operation mode, in which the cars move synchronously as a whole while approaching each other. The monitoring reference distance is set in the safety controller. The safety control device determines that it is abnormal when the distance between adjacent cars exceeds the monitoring reference distance when the operation mode is the near-synchronous operation mode.

Description

technical field [0001] The present invention relates to a multi-car system elevator apparatus in which a plurality of cars are provided in the same hoistway. Background technique [0002] In recent years, along with the increase in the height of buildings, the speed and capacity of elevators have been increased to increase the amount of transportation. And, as an elevator apparatus meeting such a demand, a double-deck elevator having double-deck cars and a multi-car system elevator apparatus in which a plurality of cars independently travel in the same hoistway are known. [0003] However, although the double-deck elevator is suitable for a large amount of transportation during shuttle operation, it lacks in the degree of freedom of operation. In addition, in order to cope with the weight of the double-deck car, a particularly large traction machine and braking device are required. In addition, when the floor heights of adjacent floors vary, a mechanism for adjusting the d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B1/18
CPCB66B5/0031B66B1/24B66B1/2433B66B2201/307
Inventor 柴田益诚钉谷琢夫垣尾政之
Owner MITSUBISHI ELECTRIC CORP