JPH0575670B2 - - Google Patents

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 to a control operation device for elevators suitable for controlled operation in strong winds.

[Conventional technology]

As described in Japanese Patent Application No. 174229/1982, the conventional device performs the same controlled operation of elevators based on the controlled operation command when the displacement or speed of the building exceeds a predetermined value during an earthquake or strong wind. I was getting used to it.

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, but
In the above conventional technology, regardless of the earthquake or strong wind, when the same amplitude value is reached, the elevator performs controlled operation. There was a problem in that the train was shut down and out of operation, making it impossible to provide service to customers.

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

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

[Means for solving problems]

The above object is provided with vibration detection devices installed at the upper and lower parts of the building in which the elevator is installed, and a strong wind control operation means that commands strong wind control operation when the elevator is in operation, and in which the lower vibration detection device is installed. The upper vibration detection device, the lower vibration detection device, and the strong wind control operation means are connected so that the strong wind control operation means is rendered inoperable when vibrations exceeding a predetermined value set for the lower vibration detection device are detected. This is achieved by

[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, so the lower vibration detector detects a predetermined value. If there is no vibration detection output above and the vibration detection output from the upper vibration detection device is above a predetermined value, a strong wind control operation command is output to the elevator, strong wind control operation is performed, and during strong wind control operation, When the lower vibration detection device detects vibrations exceeding a predetermined value, the strong wind control operation command is canceled and the strong wind control operation is stopped. This allows elevators to operate under appropriate strong wind control, thereby improving service to customers.

〔Example〕

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

In FIG. 1, there is a vibration detection device e in the elevator machine room c at the top of the building a where the elevator is installed, and there is also a vibration detection device d in the elevator hoistway b at the bottom of the building. here,
Since the vibration detection devices d and e are related to elevators, it is desirable to install them at a location where elevator equipment is installed.

FIG. 2 is a strong wind control operation command circuit diagram of this device. In this embodiment, a case is shown in which a strong wind control operation command is set in two stages, high and low. When the vibration detection device d installed at the bottom of the building detects a vibration exceeding a predetermined vibration, the contact d1, which opens, is closed, and the vibration detection device e 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 first stage.
Relay g for issuing the next (low) strong wind control operation command is turned on, and the first strong wind control command is issued to the elevator. In addition, after the contact d1 is closed, the contact e2, which is closed 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, is closed. , second
Relay h for issuing the next (high) strong wind control operation command is turned on, and a second high 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 preferably a vibration value at which the elevator cannot operate at a higher speed, and the predetermined vibration value for the second stage is It is desirable that the vibration value is such that the elevator cannot operate any further.
The specific vibration values are 7Gal for the first stage and 7Gal for the second stage in a building with a natural period of 4 seconds, taking into consideration the vibration characteristics of long objects in the elevator.
Approximately 12 Gal is appropriate, and approximately 5 Gal is appropriate as the predetermined vibration value for the vibration detection device in the lower part of the building.

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

In addition, for strong wind control operation of elevators,
It is appropriate for the first strong wind control operation to be a slow operation that is reduced from high speed operation or for providing services to passengers by low speed operation, and for the second strong wind control operation to stop at the nearest floor.

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 detection device d at the bottom of the building detects a predetermined vibration and the contact d1 opens, so the vibration detection device e at the top of the building detects a predetermined vibration and the contact e1 , e2 are closed, the relays g, h for strong wind control operation command to the elevator
Since the elevator is not injected, there is no problem because the elevator does not perform unnecessary controlled operation.

As described above, according to this embodiment, there is an effect of allowing the elevator to perform appropriate strong wind control operation.

〔Effect of the invention〕

According to the present invention, it is possible to provide a strong wind control operating device for an elevator that can accurately detect vibrations in a building caused by strong winds and issue an appropriate strong wind control operation command to the elevator.

[Brief explanation of the drawing]

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, d
1... Output contact of the lower vibration detection device, e1, e
2... Output contacts of the upper vibration detection device, g, h...
...Relay for strong wind control operation command.

Claims (1)

[Claims] 1 Equipped with vibration detection devices installed at the upper and lower parts of the building in which the elevator is installed, and a strong wind control operation means that commands strong wind control operation when the elevator is in operation, and the lower vibration detection device detects the vibration of the lower part. The upper vibration detection device, the lower vibration detection device, and the strong wind control means are connected so that the strong wind control operation means is rendered inoperable when vibrations exceeding a predetermined value set for the detection device are detected. Strong wind control operation device for elevators.