JPS6327384A - Strong-wind control driving device for elevator - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a control operation device for controlling elevators during earthquakes and strong winds, and particularly relates to a control operation device for elevators suitable for 5-strong wind control operation. .

[Conventional technology]

As described in Japanese Patent Application No. 58-174229, the conventional device performs the same controlled operation of the elevator based on the controlled operation command when the displacement or speed of the building exceeds a predetermined value during an earthquake or strong wind. Ta.

However, no consideration was given to determining whether the vibrations in the building were caused by an earthquake or strong winds.

[Problem that the invention seeks to solve]

The vibration waveforms of buildings during earthquakes and strong winds are naturally different because the excitation frequencies are different.

In the above-mentioned conventional technology, the elevator performs controlled operation when the same amplitude value is reached, regardless of the earthquake or strong wind. Stop at the nearest floor,
There was a problem with the service being unable to be provided to customers due to the suspension of operation.

Additionally, building managers have requested that elevators be operated slowly during strong winds, rather than being suspended, to provide as much service to customers as possible.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a strong wind control operating device for an elevator that detects vibrations in a building caused by strong winds and issues an appropriate strong wind control operation command for the elevator.

Means for Solving Problem C] The above object is achieved by providing vibration detection devices in the upper and lower parts of the building that issue a command when the vibration of the building exceeds a predetermined value.

[Effect]

During an earthquake, seismic waves propagate through the ground or on the ground surface, causing the entire building to vibrate.In contrast, during strong winds, the upper part of the building vibrates greatly, but the lower part hardly vibrates. When there is no vibration detection output from the detection device and there is a vibration detection output from the vibration detection device installed at the top of the building, the system operates so that a strong wind control operation command is issued to the elevator. This allows the elevator to
Since the system can perform appropriate strong wind control operations, service to passengers will also be improved.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

In Figure 1, the building a where the elevator is installed
There is a vibration detection device e in the elevator machine room C in the upper part of the building, and a vibration detection device d in the elevator hoistway in the lower part of the building. here.

Since the vibration detection devices d and e are related to an elevator, it is desirable to install them at a location where elevator equipment is installed.

FIG. 2 is a circuit diagram of the strong wind control operation command of this device. In this embodiment, a strong wind control operation command with two levels of high and low settings is shown. A contact d that opens when the vibration detection device d installed at the bottom of the building detects vibration exceeding a predetermined vibration.
When the circuit 1 is closed, a vibration detection device e is installed at the top of the building.

Contact e1, which closes when vibration exceeding a predetermined vibration in the first stage is detected, closes the circuit, and the first (low) strong wind control operation command is issued. The first strong wind control order is issued. Also, contact d
1 is closed, contact e2, which closes when vibration exceeding a predetermined vibration of the second stage of the vibration detection device e installed at the top of the building is detected, closes the second
Relay h for issuing the next (high) strong wind control operation command is turned on, and a second strong wind control operation command is issued to the elevator.

Here, the predetermined vibration value for the first stage of the vibration detection device e in the upper part of the building is desirably a vibration value that allows the elevator to operate at higher speeds, and the predetermined vibration value for the second stage. It is desirable that the vibration value be such that the elevator cannot operate any further. The specific vibration values are 7 GaQ for the first stage and 1 GaQ for the second stage in a building with a natural period of 4 seconds, taking into consideration the vibration characteristics of long elevator objects.
Approximately 2 GaQ is appropriate, and approximately 5 GaQ is appropriate as the predetermined vibration value of the vibration detection device in the lower part of the building.

If there is a risk that daily vibrations, such as those from an air compressor, may be mixed into the vibration detectors d and e, the vibrations detected by the vibration detectors d and e should be passed through a filter to prevent false detection. It is desirable to prevent this.

In addition, as for the strong wind control operation of elevators, the first strong wind control operation is slow operation by slowing down from high speed operation or low speed operation to provide services to customers, and the second strong wind control operation is the best. A parking stop is appropriate.

Here, Figure 3 shows an example of the vibration waveform of a building detected during strong winds, and it is clear that the upper part of the building vibrates greatly, while the lower part of the building hardly vibrates. .

In addition, in the case of an earthquake, the vibration detector @d at the bottom of the building detects a predetermined vibration and the contact d1 opens, so the vibration detector e at the top of the building detects a predetermined vibration and the contact d1 opens. e
Even if l and e2 are closed, relays g and h for commanding strong wind control operation to the elevator are not turned on, so the elevator
There is no problem because unnecessary controlled operation is not performed.

As described above, this embodiment has the effect of allowing the elevator to perform appropriate strong wind control operation.

〔Effect of the invention〕

According to the present invention, strong winds can be detected from the vibrations of the building, which is effective in controlling elevator operation.

[Brief explanation of drawings]

Fig. 1 is an installation diagram of a vibration detection device showing an embodiment of the present invention, Fig. 2 is a strong wind control operation command circuit diagram of the strong wind control operation device of the present invention, and Fig. 3 is a vibration detection device that is detected during strong winds. It is a vibration waveform diagram of the building. d, e... Vibration detection device installed in the building, dl... Output contact of the lower vibration detection device, el, e2... Output contact of the upper vibration detection device, g, h... Strong wind control≠ (
Word of mouth λ (2) 3rd figure

Claims (1)

[Claims] 1. In an elevator operated under strong wind control during strong winds, vibration detection devices are provided at the upper and lower parts of the building in which the elevator is installed, and when the output of the lower vibration detection device does not reach a predetermined value, and the upper A strong wind control operation device for elevators that issues a strong wind control operation command to the elevator when the output of the vibration detection device exceeds a predetermined value.