JPS59143883A - Annunciator for residual time of opening of door for elevator - 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 [Field of Application of the Invention] The present invention relates to an elevator door remaining time display device.

[Prior art]

Generally, in elevators, a timer (such as a timer) controls the opening time of the doors, which is necessary for passengers to get on and off and for cargo handlers to load and unload cargo, and to issue an alarm when the doors are closed.

However, a warning when the door is closed cannot sufficiently prevent accidents such as passengers hitting the closing door when getting on or off the vehicle or loading or unloading cargo. Therefore, a device has been proposed that uses an alarm to notify the remaining time the door is open, but in this case, the time until the door closes must be predicted by hearing.
This creates a sense of anxiety and irritation for passengers and cargo handlers.

In addition, a time display device that displays the charging voltage of a capacitor using a voltmeter has been proposed, but the pointer is difficult to see,
The drawback is that it lacks accuracy as a time meter.

[Purpose of the invention]

The present invention has been made in view of the above, and its purpose is to alleviate the anxiety of passengers and cargo handlers.

To provide an elevator door remaining time display device capable of alleviating a sense of impatience and ensuring safe boarding and alighting.

[Summary of the invention]

The features of the present invention include a calculation means for calculating the remaining door open time after the door is closed, and a display means for displaying the remaining door open time in the car or at the landing according to the time calculated by this calculation means. The point lies in the structure.

The present invention will be explained in detail below using the embodiments shown in FIGS. 1 to 3.

Some elevators are designed to extend the door opening time, and the following description will be made regarding the remaining door opening time display device for this type of elevator.

FIG. 1 is a circuit diagram showing an embodiment of the door opening extension circuit. In Figure 1, P and N are control DC power supply terminals,
P is the positive terminal, N is the negative terminal, X is the door opening extension button, Y
is the door close button, A is the door open extension relay that turns on when the door open extension button X is turned on, and A m H
~Aa3 is its normally open contact, B is the door opening extension relay A
This is a door close detection relay that turns on when door close button Y is turned on when is on, Bb+ is its normally closed contact, and T is the preset time TI after door open extension relay A is turned on. Tb1 is the normally closed contact of the door opening extension time relay that turns on when the time elapses, and these are connected as shown.

Therefore, when the door opening/closing extension button will open or
Alternatively, when the time relay T is turned on after a period of time T and the contact Tb+ is closed, the door opening extension V-A is turned off.

FIG. 2 is a block diagram showing an embodiment of the door open remaining time display device of the present invention. In Fig. 2, B112 is the normally closed contact of door close detection relay B in Fig. 1, and Tb2
is a normally closed contact of time relay T in Fig. 1, Ac1 is a normally open contact of door opening extension relay A in Fig. 1, 1 is an AND gate, and in AND gate 1, contact Aa4 is closed, and contact Bb2 is closed. ．． Output is sent when Tb2 is closed. 2 is a counter that counts the time that the output is sent from AND gate 1, 3 is a subtracter, and 4 is a predetermined door opening extension time when door opening extension relay A is turned on and its contact Aa5 is closed. T] is set, and the subtracter 3 stores the time counted by the counter 2. 5 is a counter display tube that digitally displays the contents of the memory 4. 6 is a counter display tube 5. Controls the lighting and extinguishing of the display in the display, and also drives the alarm driver 7.
The alarm driver 7 is a display controller that controls de-energization, and has the function of causing the alarm device 8 to issue intermittent alarms or to stop the alarm.

FIG. 3 is a front view showing one embodiment of the installation of the counter display tube 5 and the alarm 8 shown in FIG. 2, and illustrates the case in a passenger car. In FIG. 3, 5 is a count display tube, 8 is an alarm, and these are incorporated into a door open remaining time display panel 10 installed on an in-car operation panel 9, as shown. Note that X on the operation panel 9 is a door opening extension button, and Y is a door closing button.

Next, the operation will be explained. Now, the train has stopped,
When door opening extension button X is pressed, door opening extension relay A turns on, its contact Aa4 closes, and contact Bb
2. When Tb2 is closed, the AND gate 1 sends out an output, and the counter 2 starts counting the door opening extension time. At the same time, the subtracter 3 starts subtracting the count value of the counter 2 from the extended door opening time T1 which is stored in the memory 4 by closing the contact AA5, and the memory 4 stores the result. Further, the display controller 6 drives the counter display tube 5 to cause the counter display tube 5 to digitally display the remaining door open time stored in the memory 4. At the same time, the alarm driver 7 is driven so that the alarm device 8 issues an intermittent alarm.

Next, when the door opening extension time T+ has elapsed after pressing the door opening extension button (l) and the displayed value on the counter display tube 5 becomes zero, the contact Tb2 is opened and the output from the AND gate 1 disappears. Counting by counter 2 and subtraction by subtractor 3 are stopped. Further, the display controller 6 deenergizes the counter display tube 5 to turn off the display, and at the same time depowers the alarm driver 7 to stop the intermittent alarm from the alarm 8.

It should be noted that even if the door close button /Y is pressed before the numerical value displayed on the counter display tube 5 becomes zero, the door close detection relay B is turned on and its contact Bb2 is opened, the operation is the same as described above.

Further, if the contents of the memory 4 become zero before the time T] has elapsed, the display controller 6 deenergizes the counter display tube 5 at that point to turn off the display.

According to the embodiment of the present invention described above, passengers and cargo handlers can be informed of the extended door opening time by the digital display on the display tube 5 and the intermittent alarm from the alarm 8, thereby reducing their feelings of anxiety and impatience. eased.

Although Fig. 3 shows an example in which the counter display tube 5 and the alarm 8 are installed on the in-car operation panel 9, these can also be installed on the side panel of the car or on the hall call button on each floor. Alternatively, the same effect can be obtained.

Further, although the door opening and remaining time are digitally displayed on the digital display tube 5, this may be displayed by changing the brightness, color, or flashing cycle of the lamp, and almost the same effect can be obtained. be able to.

In the example described above, the case where the door opening extension button X is provided is explained, but if the extension button This will display the remaining door open time from door open to door close, which is normally set.
You can also do this and have the same effect.

〔Effect of the invention〕

As explained above, according to the present invention, it is possible to display the remaining time when the door is open, thereby alleviating the anxiety and impatience of passengers and cargo handlers, and ensuring safe boarding and alighting. be.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing an embodiment of the door opening extension circuit, FIG. 2 is a block diagram showing an embodiment of the elevator door opening remaining time display device of the present invention, and FIG. 3 is a circuit diagram showing an embodiment of the door opening extension circuit of the present invention. It is a front view showing one example of installation of a division display tube and an alarm. 1...AND gate, 2...Counter, 3...Subtractor, 4...Memory device, 5...Count display tube, 6...Display controller, 7 static/m chopsticks zg2

Claims (1)

[Scope of Claims] 1. Calculating means for calculating the remaining door open time when the door is closed in an elevator in which the time from when the elevator stops and the door opens to when the door closes is set in advance; An elevator-door remaining open time display device characterized by: display means for displaying the remaining door open time in a car or in a landing according to the time calculated by the calculating means. 2. The elevator door opening remaining time display device according to claim 1, wherein the elevator is provided with door opening extension means. 3. The remaining time for opening the elevator door according to claim 2, wherein the calculation means is configured to start calculating the remaining time for opening the gutter when the door opening extension button of the door opening extension means is operated. Display device. 4. The elevator door remaining open time display device according to claim 1, 2, or 3, wherein the display means is a count display tube.