JPH03267288A - Automatic door-opening regulator for elevator - Google Patents

Abstract

PURPOSE:To improve the driving efficiency owing to the proper setting of door opening time by judging boarding or alighting of passengers to or from the inside of a cage from a variable state of load in the cage of an elevator, and controlling a span of door opening time from this judged result. CONSTITUTION:A boarding-alighting discriminating part 13 inputs a signal of a load detector 7 at a specified time interval, and it performs its arithmetic processing on condition that a door 5 is not in the fully closed state, and a load value is increased or decreased as far as more than the specified value (for example, 30kg) before and after, whereby each of boarding and alighting signals is outputted to a door on-off control part 15. When an elevator is stopped by a cage call stop as well as when there is alighting during door opening after setting initial door opening time (two seconds), the door opening time is set anew and on standby on the basis of the signal of the boarding-alighting discriminating part 13. In the case of hall call stoppage, if there is boarding during the door opening after the setting of the initial opening time (three seconds), the door opening time is set anew and on standby on the basis of the signal of the boarding-alighting discriminating part 13. When the elevator comes to a stop as a cage call and a hall call are accorded with each other, the door opening time is set in succession each time there are boarding and alighting during the door opening after the setting the initial door opening time (five seconds).

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to an automatic elevator door opening adjustment device.

(Prior Art) In recent years, as buildings have become taller and larger, elevators have come to be used everywhere.

In such elevators, it is required to eliminate wasteful operation as much as possible.

In particular, improving the door opening time when getting on and off is one of the important factors in improving operating efficiency. As a means, for example, a light-emitting element and a light-receiving element are installed near the door of the car, and light is constantly emitted from the light-emitting element to the light-receiving element, and the light is cut off when the passenger crosses there to get on or off the car. Getting on and off the vehicle is detected by detecting that the person is getting on and off the vehicle. If the passenger does not continue to get on or off the vehicle within a predetermined door-opening time, the door is closed and the vehicle is restarted.

(Problem to be Solved by the Invention) By the way, the above-mentioned door opening time for leaving the door open is primarily set as a time with a certain amount of leeway in which passengers can board or exit the vehicle safely. is common. However, when getting off the car from a crowded car, for example, it takes time to move to the entrance and exit, so this door opening time is a reasonable time. Since it only takes time, most of this constant door opening time may end up being wasted time. Therefore, there has been a strong need for measures to prevent the occurrence of such wasted time and improve operational efficiency.

The present invention has been made in view of the above, and an object of the present invention is to provide an automatic elevator door opening adjustment device that can contribute to improving operating efficiency by appropriately setting the door opening time.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention provides a load detection means for detecting the inward direction of the elevator car, and a load detection means for detecting the inward direction of the elevator car. The gist of the present invention is to include a boarding/alighting determination means for determining whether a passenger is boarding or alighting from the vehicle, and a door opening/closing control means for controlling the door opening time based on the determination result of boarding or alighting.

The present invention also provides load detection means for detecting whether the elevator car is facing inward, boarding/alighting determining means for determining whether a passenger is boarding or alighting from the car based on the detected change in the car inward facing type, and a means for determining whether a passenger is boarding or alighting from the car based on the detected change in the car inward facing type. The gist of the present invention is to have a call stop mode detecting means for detecting the type, and a door opening/closing control means for controlling the door opening time based on the determination result of boarding or disembarking and the type of call stop.

(Function) In the elevator door opening automatic adjustment device according to the present invention, it is determined whether a passenger enters or exits the car from the changing situation of the inward direction of the elevator car, and the door opening time is controlled based on this. are doing.

In addition, in the present invention, it is determined whether a passenger gets into or out of the car based on a change in the inward direction of the elevator car,
The door opening time is controlled based on this determination result and the type of call stoppage.

(Example) Hereinafter, the present invention will be explained in detail using the drawings.

FIG. 1 is a diagram showing a schematic configuration of an automatic elevator door opening adjustment device according to an embodiment of the present invention.

In the figure, 1 is an elevator car, and door motor 3
The door 5 is opened and closed by this. 7 is a load detector that detects the weight of car 1 and converts this load value into an electric signal corresponding to it and outputs it; 9 is a door opener that detects that door 5 of car 1 is not fully closed and closes the circuit. It is a point of contact. Here, as the load detector 7, for example, a near-home machine, a load cell, etc. can be used. Also, 1
Reference numeral 1 denotes a door opening degree adjustment section for automatically adjusting the opening of the door 5 of the car 1, and is configured to include a boarding/exiting determination section 13 and a door opening/closing control section 15.

The boarding/alighting determination unit 13 inputs the load detection signal from the load detector 7 at regular time intervals (for example, at intervals of 10 m5ec), and detects the door of the car 1 based on the contact output signal from the door opening contact 9 indicating the door open/closed state. 5 is not in a fully closed state, and as a result, by detecting that the load value increases or decreases by more than a predetermined value (for example, 30 kg) before and after the time, it is possible to prevent passengers from entering the car. This is to output a boarding detection signal or alighting detection signal to the door opening/closing control 15 when a passenger gets on or off the vehicle.

The specific determination process will be explained using FIGS. 2 and 3. The boarding/exiting determination unit 13 inputs the load detection signal from the load detector 7 at regular time intervals (for example, at intervals of 10 m5ec), and also inputs the contact output signal from the door open contact 9 indicating the open/closed state of the door 5. , boarding and alighting is detected by comparing the load signals before and after the door 5 is opened with the minimum load. That is, in the case of passenger detection, first, as shown in FIG. 2(a), the open/closed state of the door 5 is detected in step S1, and if the door 5 is fully open, the minimum load value is set to the current load value in step S2. When the car 1 runs and the door 5 is opened, the minimum load value and the current load value are compared in step S3.
If the resulting realized load value is smaller than the minimum load value, the minimum load value is set and updated to the current load value in step s4. If the current load value is larger than the minimum load value, the minimum load value is subtracted from the current load value to set the riding load value in step S5. Then, in step S6, the passenger load value is compared with a predetermined load value (for example, 30 kg), and if the result is that the passenger load value is larger than the predetermined load value, it is determined that at least one passenger has boarded the car 1. then step S
At step 7, the boarding detection signal is output to the outside.

On the other hand, in the case of alighting detection, as shown in FIG. 2(b), step S1 detects the open/closed state of the door 5, and if the door 5 is fully open, the minimum load value is set to the current load value in S2. When the car 1 runs and the door 5 is opened, the maximum load value and the current load value are compared in step S3, and if the actual load value is larger than the maximum load value, the maximum load value is changed in step S4. Update the set to the current load value. If the current load value is smaller than the maximum load value, the current load value is subtracted from the maximum load value in step S5 to set the exit load value. Then, in step S6, the alighting load value is compared with a predetermined load value (for example, 30 kg), and if the alighting load value is larger than the predetermined load value, it is determined that at least one passenger has alighted from the car 1. Then, in step S7, an alighting detection signal is outputted to the outside. It should be noted that FIG. 3 is a time chart showing how the above-mentioned elevator boarding and alighting determination is performed.

When the car 1 is stopped, the door opening/closing control section 15 sequentially sets an appropriate door opening time by a process described later based on the boarding detection signal or the getting off detection signal from the boarding/alighting determination section 13 mentioned above, and also sets the door opening time in sequence. As soon as this is completed, the door motor 3 is controlled to close the door 5 and resume operation.

Next, the processing of the door opening control section 15 will be explained using FIG. 4.

When the car 1 stops, the door opening control unit 15 first determines whether the stop is due to a so-called car call or a hall call.
Or determine whether it is caused by both (step 5)
11). That is, since the time required for boarding and alighting differs depending on the call stop mode, the door opening time is initially set to the preset initial door open time corresponding to the call stop mode (steps 512, S22, 530). It's for a reason.

First, in the case of car call suspension, the initial door opening time (2
sec) If the driver gets off the vehicle while the moon is open after setting (step S12.
515), the boarding/alighting determination unit 13 detects this through the process described above and outputs a boarding/alighting detection signal. When the door opening/closing control section 15 receives this alighting detection signal (step 516), the door opening time is newly set to 1.5 seconds for the next alighting passenger, and the door opening/closing control section 15 waits (step 517). In this standby state, when 1.5 seconds have elapsed without any new passengers getting off the train, the door motor 3 is driven to start opening the door 5 (
Steps 318, 519). In addition, if the initial door opening time (2 seconds) has passed without any passengers getting off after the initial settings,
Immediately start opening the door 5 (steps S16.S18.
319).

In the case of hall call suspension, the initial door opening time (3 seconds) mentioned above.
If there is a ride while the month is open after setting (steps S22, 52)
5) The boarding/alighting determination section 13 detects this through the process described above and outputs a boarding detection signal. When the door opening/closing control unit 15 receives this boarding detection signal (step 526), it sets a new door opening time within 1.5 seconds for the next passenger and waits (step 527). In this standby state, when 1.5 seconds have elapsed without any new passengers, the door motor 3 is driven to start opening the door 5 (steps 328, 529). Note that if the initial door opening time (3 seconds) has elapsed without any passengers after the initial setting, the door 5 will immediately start opening (steps S26, S28, 5).
29).

When the car call and the hall call match and stop, after setting the initial door opening time (5 seconds) described above, the door opening/closing control unit 15 determines whether the car will get off or get on while the door is open based on the detection signal from the boarding/alighting determination unit 13. Each time, the door opening time is newly set and executed (530-536). Then, when there is no new passenger getting off or getting on the train and the most recently set door opening time has elapsed, the door motor 3 is driven to start opening the door 5 (steps S37, 838). In addition,
After the initial setting, if the initial door opening time (5 seconds) has elapsed without any passengers getting off or getting on, the door 5 immediately starts closing (steps S30.S31, S32.S34.S).
37.538).

Therefore, according to this embodiment, the optimum door opening time is set for each case based on the call stop mode of the car and the determination result of boarding or alighting, and the door is immediately closed after the door opening time has elapsed. Since the operation is restarted, compared to the conventional case where the door opening time is fixed, it is possible to ensure safe and reliable boarding and alighting and eliminate unnecessary door opening as much as possible, improving operational efficiency. I can do it.

Furthermore, since the decision to board or exit the vehicle is not made optically as in the past, it can contribute to cost reduction and easier construction work.

[Effects of the Invention] As explained above, according to the present invention, it is possible to determine whether a passenger is boarding or alighting from the elevator car based on the change in the elevator car weight, and to control the door opening time based on this. Since the door open time is controlled based on the determination result of boarding or disembarking and the type of call stop, the door open time can be set appropriately, contributing to improved driving efficiency.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention, and FIG. 2 (
a), (b) and FIG. 3 are a flowchart and a time chart for explaining the operation of the boarding/exiting determination section, and FIG. 4 is a flowchart for explaining the operation of this embodiment. 1... Car 3... Door motor 5...
Door 7...Load detector 9...Door opening contact 11...Door opening adjustment section 11...Getting on/off determining section 15...Door opening/closing control section Private patent attorney Hidekazu Miyoshi 11 1st Da 2nd Ward (a)

Claims (1)

[Claims] (1) Load detection means for detecting the load inside the elevator car; boarding/alighting determination means for determining whether a passenger is boarding or alighting from the car based on the detected change in the car load; and based on the determination result of boarding or alighting. 1. An automatic door opening adjustment device for an elevator, comprising a door opening/closing control means for controlling a door opening time.