JPS58113088A - Annunciator for operation of passenger conveyor - Google Patents

Abstract

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

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to an improvement in a device for indicating the operation of a passenger conveyor.

In order to save power consumption of passenger conveyors such as escalators and moving walkways, some conveyors automatically operate and stop by detecting the presence or absence of passengers. That is, a passenger detection device such as a photoelectric device is installed near the entrance of the passenger conveyor, and the passenger conveyor is stopped when no passenger is detected, and automatically started when a passenger is detected. However, when a passenger who does not know about automatic driving sees a stopped passenger conveyor,
I get the impression that it is out of order or not in operation.

Therefore, for example, as described in JP-A-55-161770, the passenger conveyor is operated at low speed when no K1 passenger is detected, and is operated at high speed (rated speed) when a passenger is detected, thereby saving power and per passenger. has been proposed to indicate that the passenger conveyor is in operation.

However, when a passenger conveyor is operating at a low speed, there is a need for a display device that can be used to distinguish whether the passenger conveyor is stopped or in operation from a distance.

This invention is intended to meet the above-mentioned demand, and by changing the illumination mode of the lighting lamp provided on the passenger conveyor depending on the speed of the passenger conveyor, the condition of the passenger conveyor can be determined at a glance. The purpose of the present invention is to provide a conveyor operation display device.

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

In the figure, (1) is a three-phase AC power supply, and (2) is a power supply (1) which is connected to K and is a well-known variable voltage variable frequency converter (hereinafter referred to as vvvy device) that converts the input into variable voltage variable frequency AC power. , (2a) is its output, (3) is a three-phase induction motor whose speed is controlled by the vvvy device (2) and drives the passenger conveyor, and (4) is a three-phase induction motor that is installed near the passenger conveyor boarding area and when a passenger is detected. The passenger detection device (5) whose output is rHJ is connected to the passenger detection device (4)K, and when the input becomes "H", it outputs (5a) for a predetermined time T (sufficient time to transport passengers from the lower floor to the upper floor ) becomes “ra”, and this becomes −
vvvy device (2) K sending time device, (6) VV
It is connected to the VF device (2) and consists of a differentiating circuit, etc., and the output (
2m), the output is rH for an increasing period T1 or a decreasing period T2.
J is the voltage change detector, (7) is the voltage change detector (6
)K-connected output relay, (7a) is its normally open contact, (8a) to (8n) are nine white illumination lights (usually fluorescent lights) installed on the railing of the passenger conveyor, (ρa) to ( 9n) is a red illumination lamp, and R and 13 are single-phase AC power supplies supplied from the power source (1).

Next, the operation of this embodiment will be explained.

Now, assuming that there are no passengers on the passenger conveyor, the timer (
The output (δ&) of 5) is rLJ, and the output (δ&) of vvvy device (2
) output (2a) is low in frequency and voltage, and the output (2a) of motor (
3) rotates at low speed, and the passenger conveyor is running at low speed.

In addition, the output of the voltage change detector (6) is also rLJ, the output relay (7) is deenergized, and the contact (7a) is open, so only the white illumination lights (8a) to (8n) are lit. do.

Here, a passenger approaches the boarding and alighting gate, and this is detected by the passenger detection device (
4), its output becomes "H" and the output (5a) of the timer (5) becomes rHJ. with this,
The output (2a) of the vvvp device (2) increases gradually, and the electric motor (
The speed of 3) also increases and the passenger conveyor starts accelerating.

On the other hand, when the output (2a) starts to increase, the output of the voltage change detector (6) becomes "H", the output relay (7) is energized, and the contact (7a) is closed, so the red illumination light (9
a) to (9n) are additionally lit and the parapet lighting turns red to indicate that the passenger conveyor is changing gears. After the starting edge time T1 has elapsed, the output (2a) becomes a constant value and the passenger conveyor operates at the rated speed.

At this time, the output of the voltage change detector (6) becomes rLJ, so the output relay (7) is deenergized and the contact (a) is opened. Therefore, the red illumination lights (9a) to (9n) are turned off, and only the white illumination lights (8a) to (8n) are illuminated again.

If a primary passenger is detected before the expiration of the set time T of the timer (5), the output (5a) is further extended by a time T;
Passenger conveyors will continue to operate at rated speed.

After the passenger detection device (4) outputs an output, if the next passenger is not detected and time T has elapsed, the output (2a) of the VVVF device (2) gradually decreases, and the speed of the electric motor (3) also decreases. ,
The passenger conveyor begins to slow down. Here, the output of the voltage change detector (6) becomes rHJ again, and the output relay <
r> Fi energized, red illumination lights (9a) to (9n)
lights up. When the deceleration start ridge time T2 has elapsed, the output (2
a) Fi becomes a low constant value, the passenger conveyor operates at low speed, and the red illumination lights (9a) to (9n) are turned off.

In this way, the passenger conveyor was illuminated in white during low speed and rated speed operation, and red illumination was added during gear shifting to alert passengers to acceleration or deceleration and to please the eyes of each passenger. It is something.

In addition, instead of the voltage change detector (6), the output (2a)
By using a detector that detects low speed and rated speed, it is possible to change the color of the illumination, such as adding white illumination during low speed operation and red illumination during rated speed operation. It is also possible to change the brightness of the lighting, such as dimming it during low-speed operation and brightening it during normal operation.

Figures 4 and 5 show other embodiments of the present invention, which are applied to an electric motor having two high-speed and low-speed windings, and are similar to Figures 1 and 2 except for the following. It is.

In the figure, (7) is the output relay connected to the timer (5), (7b) and (7c) are in contact with terminal B4C when the output relay (7) is de-energized, and when it is energized, The contact that contacts terminal A, 00 is the operating switch inserted between the power supply (1) and contact (7b), O]) is the high-speed relay connected to terminal AK, (lla) is its normally open contact, @ is terminal B
4C connected low-speed relay, (12a) is its normally open contact, (to) is the contact (lla), the high-speed winding of the motor connected to KW, 04 is the low-speed winding also connected to the contact (12a), (15a) to (15n) are dimming devices that generate a high voltage between terminals CD when voltage is applied to terminal A, and generate a low voltage between terminals CD when voltage is applied to terminal BK.

It is assumed that the operation switch 0Q is now closed.O When there are no passengers, the output (5a) of the timer (5) and the low speed relay (2) are energized, and the contact (121L) is closed. Now, the low speed winding α◆ is energized and the passenger co/veyor is running at low speed. At this time, the light control device (15a)
Since a low voltage is generated between the terminals CD of ~(15n), the white illumination lights (8a)~(8n) are dimly lit to indicate that they are on standby.

When a passenger is detected and the output (5a) becomes "H", the output relay (7) is energized and the contacts (71)), (7c)
are in contact with the terminal AK liquid respectively. That rounding, slow relay (
2) is deenergized to open the contact (12a), and the high-speed relay aυ is energized to open and close the contact (lla) Vi. Now, the low-speed winding Q4 is switched to the high-speed winding (13), and the passenger conveyor operates at high speed (rated speed). Since voltage is generated, the white illumination lights (8a) to (8n) are lit brightly to indicate that the passenger conveyor is operating at the rated speed. During high-speed operation, the lights are bright and pressed so that you can see at a glance whether the lights are on standby or in operation.In addition, by switching the contact (7C), the white illumination lights (8a) to (8n) are turned off during low-speed operation. It is also possible to change the color of the illumination, such as switching on a red illumination light (not shown) K during high-speed driving. If the passenger detection device operates before the passenger detection device at the entrance (reverse boarding), it is possible to issue a warning by sounding a buzzer or changing the color of the lighting to red. As explained above, in this invention, the illumination mode of the lighting lights provided on the passenger conveyor is made to vary depending on the speed of the passenger conveyor, so that passengers can discern the condition of the passenger conveyor at a glance. In addition to being able to make the passengers feel comfortable, they are also able to entertain the eyes of the passengers.

[Brief explanation of the drawing]

Fig. 1 is a block circuit diagram showing an embodiment of the passenger conveyor operation display device according to the present invention, Fig. 2 is a lighting circuit diagram, Fig. 3 is an explanatory diagram of the operation of Fig. A single line circuit diagram showing another embodiment of the invention, FIG. 5 is also a lighting circuit diagram. (2)...Variable voltage variable frequency converter, (3)...
・Three-phase induction motor, (4)...Passenger detection device, (5)・
...Timer, (6)...Voltage change detector, (7)...
...Output relay, (8a) to (8n)...White illumination lamp, (9a) to (9n)...Red illumination light.
Parts or corresponding parts are indicated by the same reference numerals. Agent Nobu Kuzuno - (1 other person) Figure 3 - Opening Figure 4

Claims (4)

[Claims] (1) When a passenger boarding the passenger conveyor is detected, the passenger conveyor is operated at the rated speed, and when the passenger is not detected, the passenger conveyor is operated at a low speed. 1. An operation display device for a passenger conveyor, comprising: a lighting lamp; and an illumination change circuit that changes the illumination mode of the lighting lamp depending on the speed of the passenger conveyor. (2) The operation display device for a passenger conveyor according to claim 1, wherein the lighting lamp is dimmed during low speed operation than during rated speed operation. (3) The operation display device for a passenger conveyor according to claim 1, wherein the color of the illumination light is changed depending on whether it is running at low speed or at rated speed. (4) The operation display device for a passenger conveyor according to claim 1, wherein the lighting mode is different during speed change than during low speed or high speed operation.