JPS5943341Y2 - High-speed elevator position display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to an improvement in a device for indicating the position of a high-speed elevator.

For the convenience of passengers, position indicators are installed inside elevator cars and at landings to notify the location of the car.

Recently, the speed of elevators has increased significantly as buildings become taller.

For example, if the speed of an elevator is 600 m/min and the speed is 10 m/sec, and the floor interval is 3.3 m, then the position display for 3 floors needs to be blinked in just 1 second.

Recent position indicators are digital, but with this method, it is difficult to judge if the lighting time is short.

This invention is intended to improve the above-mentioned drawbacks, and aims to provide a position display device for a high-speed elevator in which the car position display does not become difficult to see even when the car speed increases.

An embodiment of this invention will be described below with reference to FIGS. 1 and 2.

For convenience of explanation, the number of floors indicates up to 10 floors.

In the figure, (-1-) and (-) are DC power supplies, and 1 to 10 are the landing selector contacts for floors 1 to 10 that open and close sequentially depending on the current position of the car, and only the contact that corresponds to the current position of the car is After the corresponding contact opens according to the movement of the car, the contact corresponding to the next floor closes.

3a to 7a are the landing selector contacts on the 3rd to 7th floors, 11 to 7a
Reference numeral 20 denotes a position indicator light installed in the car or at the landing to indicate the 1st to 10th floors; the indicator light 11 corresponds to the 1st floor, the indicator light 12 corresponds to the 2nd floor, and so on.

21 is a speedometer generator which is driven by a hoisting motor (not shown) and generates a voltage proportional to the speed of the car; 22 is a generator whose speed before the car stops is low (for example, 150 m/min);
23 is a medium speed detection relay that is energized when the applied voltage reaches a value corresponding to medium speed (for example, about 250 m/min), and 23a to 23e
is its normally open contact, 23f to 23j are also normally closed contacts, 2
4 is a voltage setting resistor for medium speed detection relay 23; 25 is a high speed detection relay that is energized when the applied voltage reaches a value corresponding to high speed (for example, about 450 m/min); 25a is its normally open contact; Similarly, 25b is a normally closed contact, 26 is a voltage setting resistor for the high-speed detection relay 25, and 27 to 31 are reverse current blocking diodes.

A speed detection device is composed of a speedometer generator 21, a deceleration relay contact 22, a medium speed detection relay 23, a high speed detection relay 25, and a voltage setting resistor 2426, and contacts 23a to 2
3j 25a, 25b, and 3a to 7a constitute a signal conversion circuit.

Next, the operation of this embodiment will be explained.

It should be noted that the relationship between car speed and line distance does not match the actual situation.

Assume that the car is started upward from the first floor.

At this time, the landing selector contact 1 on the first floor is closed, and (
+) The indicator light 11 on the first floor is lit by the circuit of -25b-1-23f-11-E.

When the car leaves the first floor, contact 1 opens and contact 2 on the second floor closes.

With this, the indicator light 11 on the first floor goes out, (Publication-25b-2-
The indicator light 12 on the second floor is turned on by the circuit 27-12-H.

The speed of the car is accelerated, and the voltage generated by the speedometer generator 210 is increased in accordance with the speed of the car, and when the speed reaches approximately 250 m/min, the medium speed detection relay 23 is energized and contacts 23a to 23e are activated. is closed, and contacts 23f to 23j are opened.

When the contacts 3 and 3a on the third floor close, (cars 25b to 3-
23b-28-14-H, the indicator light 13 on the third floor is skipped and the indicator light 14 on the fourth floor is turned on.

The speed of the car further accelerates, the generated voltage increases, and the speed increases to 45 per minute.
When the distance reaches approximately 0 m, the high-speed detection relay 25 is also energized, the contact 25a is closed, and the contact 25b is opened.

The display on the 4th floor does not change due to the (-1-)-25a-3a-14-(-) circuit.

Even if the contact 4a on the 4th floor and the contact 5a on the 5th floor are closed, the display on the 4th floor does not change.

Then, when the contact 6a on the 6th floor closes, (-+-) 2
By the circuit 5a-6a-17-H, the indicator light 17 on the 7th floor
lights up, jumping two floors from the 4th floor display to the 7th floor display.

When the car approaches the destination and decelerates to about 150 m/min, the deceleration relay contact 22 opens, the speed detection relay 23.25 is deenergized, and the far points 23a to 23e.

25 is open, and contacts 23f to 23 j and 25b are closed.

At this time, if contacts 7 and 7a on the 7th floor are closed, (+
)-25b-7-23j-17-H, the 7th floor is displayed, and from then on, the 8th floor, 9th floor, etc. are displayed sequentially as in the case of startup.

In this way, the order of floor display is automatically selected and displayed in accordance with the running speed of the car, in order, or skipping one floor or skipping two floors.

This extends the lighting time of the same display and eliminates the problem of illegibility.

In the above embodiment, the floor display is shown using indicator lights 11 to 20, but it is also applicable to a digital display.

Digital position indicators are advantageous when the number of stops is large in that they can save installation space compared to indicator light types.

However, unlike the indicator light type, each floor does not have an independent indicator light, so if the display changes rapidly, it becomes extremely difficult to read, but this drawback can be overcome by applying this invention.

As explained above, in this invention, the car position displayed by the car position indicator can be displayed in a skipping manner according to the speed of the car, so the lighting time of each display is a visible time, and the car position can be displayed even at high speeds. can be easily read.

[Brief explanation of drawings]

FIGS. 1 and 2 are circuit diagrams showing an embodiment of a position display device for a high-speed elevator according to this invention. 1 to 10...1st to 10th floor landing selector contacts (car position contacts), 3a to 7a...3rd to 7th floor landing selector contacts (signal conversion circuit), 11 to 20...
Same left position indicator light (car position indicator), 21...
Speedometer generator, 22...Deceleration relay contact, 2
3...Medium speed detection relay, 24...Voltage setting resistor, 25...High speed detection relay, 26...
...Resistance for voltage setting.

Claims (1)

[Scope of utility model registration request] A car position contact that sequentially issues a floor signal according to the floor where the car is located; a speed detection device that issues an output corresponding to the speed of the car; A position display device for a high-speed elevator, comprising a signal conversion circuit that converts and outputs a floor signal for each floor, and a car position indicator that displays the floor according to the output of the signal conversion circuit.