JPS6054232B2 - Elevator operating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a device for operating an elevator.

A prank has occurred in which an elevator car stops at a floor and a passenger inside the car presses multiple destination buttons on the car control panel before getting off to the landing.

If this happens, the car will be operated in vain in response to false calls, impeding operating efficiency and wasting power. As a countermeasure for this problem, conventional car stops, opens the door, and then immediately before the door closes, if it is detected that the number of car calls is abnormally large compared to the number of passengers in the car (car load), a false car call is detected. The system determines that it is a car call and cancels all car calls.

At the same time, in order to allow passengers in the car to register their honest car calls again, the current driving direction is maintained and the doors are turned over and restarted. However, due to the reopening of the door,
It is inevitable that the departure of the car will be delayed and the operating efficiency of the elevator will be reduced.

This invention improves the above-mentioned drawbacks, and aims to provide an elevator operating device that does not reduce operating efficiency by unnecessarily re-closing doors even when canceling a false car call.

An embodiment of the present invention will be described below with reference to the drawings.

In the figure, 1 to 6 are car call registration signals that become "H" when a car call is registered using the destination buttons for the 1st to 6th floors, respectively, in the car, and 7 is a car call registration signal that becomes "H" by counting the number of inputs. For example, a counter whose output becomes "JrH" when there are 4 or more, 8 is a light load signal which becomes "H" when the load in the car becomes 80 kg or less, 9 is an MD gate, 10 is a false car call detection circuit, 11- 17 is a one-shot that outputs a pulse with a fixed time width (this time width is set to be sufficiently shorter than the time width between when one person presses one button and then presses the next button) when the input becomes "H". Multivibrator (hereinafter referred to as OM)
), 18 is a stop decision signal that becomes "H" when the car is decided to stop, 19 is a counter that counts the number of inputs, 20 is a signal generator that constantly emits a signal corresponding to, for example, R3J, and 21 is a counter. A comparator whose output becomes RH when the output of the signal generator 19 becomes greater than the output of the signal generator 20; 22 a half-closed detection signal which becomes RHJ when the door is partially closed; 23,2
4 is an AND gate, 24a is the output of the AND gate 24 and is a car call release signal, 25 is a normal door open command signal, 26
is also the door close command signal, and 27 and 28 are AND gates (O
The mark indicates the inversion of the signal.

) 28a is the door close command signal, 29 is the NOT gate, 29a
The output is a driving direction reset signal, 30 is an 0R gate, and the output is a door opening command signal. In addition, among the above-mentioned elements, 0M17, counter 19, signal generator 2
0, the comparator 21 and the AND gate 23 constitute a circuit for detecting that many car calls have occurred between after the decision to stop the car and immediately before the departure of the car. , a circuit that generates commands for controlling the opening and closing of the car door is configured.

Next, the operation of this embodiment will be explained.

Assuming that there is one passenger in the cabin now, the light load signal 8 is set to RHJ.

When the car decides to stop at the floor corresponding to the car call registered by this passenger, the stop decision signal 18 becomes RHJ, and the car stops at the floor corresponding to the car call registered by this passenger.
17 generates a pulse and the counter 19 is reset.
Suppose that a passenger in the car presses four or more destination buttons as a prank when getting off the car and registers a car call. The counter 7 counts this and one output becomes RH, and the output of the AND gate 9 also becomes RHJ. After the passenger gets off, the door starts to close, and when it closes halfway, the half-closed detection signal 22 indicates RHJ.
Therefore, the output of the AND gate 24, that is, the car call release signal 24a becomes RHJ, and all registered car calls are released. On the other hand, since four outputs among 0M11 to 0M16 become RHj, the counter 19 emits an output corresponding to R4j. The comparator 21 detects that the output of the counter 19 is greater than the output of the signal generator 20 (4>3), and its t output becomes RH. Now, when the half-closed detection signal 22 becomes RHJ, all the inputs of the AND gate 23 become RH. j, so the output of the AND gate 23 is RH
It becomes J. Now, the output of the AND gate 27 becomes RLJ, the output of the NOT gate 29, that is, the driving direction reset signal 29a becomes RHJ, and the driving direction of the car becomes non-directional. Also, since the door is currently closed, the door open command signal 25 is RLJ, and the door close command signal 26 is RH. It is marked J. Since the output of AND gate 21 is RLJ, 0R
The output of the gate 30, that is, the door opening command signal 30a is RL
J, and the output of the AND gate 28, that is, the door close command signal 28a, becomes RHJ. As a result, the door closing operation continues and is completed. The car is now on standby with the door closed, and can immediately respond to calls from any direction. Next, assume that there are few passengers in the stopped car and that three false car calls have already been registered (the output of counter 7 is RLJ).

When a passenger gets on board and registers an honest car call, the input to the counter 7 becomes four, so its output becomes RHJ, and the output of the AND gate 9 also becomes RHJ. When the door is partially closed and the half-closed detection signal 22 becomes RHJ,
The output 24a of the AND gate 24 becomes RHJ, and all car calls are canceled. On the other hand, when the car decides to stop at this floor, the contents of the counter 19 have been reset, so there is no output, and the output of the comparator 21 becomes RLJ.
Therefore, the output of the AND gate 23 becomes RLJ,
, the output of the AND gate 27 becomes RHJ, the driving direction reset signal is not issued from the NOT gate 29, and the previous direction is maintained. Also, since the output of the AND gate 27 is RHJ, the door close command signal 28 is sent from the AND gate 28.
a is not uttered. On the other hand, since the door opening command signal 30a is issued from the 0R gate 30, the door is reversed and re-opened. This will save passengers who have registered honest car calls but are treated as false car calls from being trapped in their cars because of false car calls that have already been registered. Furthermore, since the driving direction is maintained, if a passenger registers a new car call, he or she can immediately respond to it. The reason why the light load signal 8 is used as the input to the false car call detection circuit 10 is because the car load detection device (not shown) has an error. This is because it is difficult to distinguish when it is not present.

The false car call detection circuit 10 is not limited to the embodiment, and any other circuit may be used as long as it detects that the number of car calls is abnormally large compared to the number of passengers in the car.

In the example, when the door closes halfway, a command such as resetting the driving direction is issued, but this is the time when passengers have completely boarded and exited and the load inside the car can be normally measured. This is to enable commands to be issued.
However, if the car load can be measured properly,
The above command may be issued at that point. In addition,
Of course, the operations of the embodiments may be processed by an electronic computer or the like.

As explained above, in this invention, when the number of car calls is abnormally large compared to the number of passengers in the car, the car call is canceled and a door opening command is issued. If multiple car calls occur, the door open command is canceled and the door close command is issued, so the door is not opened needlessly due to false car calls, and a drop in operating efficiency can be prevented.

[Brief explanation of the drawing]

The figure is a circuit diagram showing an embodiment of an elevator operating device according to the present invention. 1-6...1st to 6th floor car call registration signal, 7.
...Counter, 8...Light load signal, 9...
...AND gate, 10...False car call detection circuit, 11-17...One-shot multivibrator, 18...Stop decision signal, 19...
...Counter, 20...Signal transmitter, 21...
... Comparator, 22 ... Half-closed detection signal, 23, 24
......AND gate, 24a...Car call release signal, 25...Door open command signal during normal operation, 2
6...Same left door close command signal, 27, 28...AND
Gate, 28a...Door close command signal, 29...
...NOT gate, 29a...Driving direction reset signal, 30...0R gate, 30a...
・Door open command signal.

Claims (1)

[Claims] 1. In a device that cancels the car call and issues a door opening command when it detects that the number of car calls is abnormally large compared to the number of passengers in the car while the car is stopped, a. If a plurality of car calls occur in the state and from the number of determined car stops to immediately before departure, this circuit detects a large number of car calls and issues a detection signal, b. When the detection circuit generates the detection signal, a door close command signal is generated in response to the detection signal, and an abnormally large number of car calls is detected when the detection circuit is not generating the detection signal. a door opening/closing command circuit that issues the door opening command signal;
An elevator operating device characterized by comprising: