JPS6323111B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in the operation of an elevator to prevent crime inside the car.

When the elevator car door closes, it becomes a closed room, and many crimes are taking advantage of this to assault passengers (particularly women). Various proposals have been made to rescue passengers from these crimes, but the inventor's analysis of conventional crimes has yielded the following results.

(a) Even if the system detects when a passenger makes a loud noise, only about 18% can be saved.

(b) Even if voice recognition is used to detect the situation, only about 23% of cases, such as when the mouth is covered, can be saved.

(c) Even if the system detects the rapid movement of a hand or other object within the basket, only about 35% of the cases can be saved.

(d) If one person quickly closes the door immediately after getting on board, approximately 50% of the accidents can be saved, but driving alone during the daytime will significantly reduce operational efficiency.

In the end, there has never been an accurate way to prevent crime in a car, partly because it is impossible to read people's minds.

The purpose of this invention is to improve the above-mentioned problems, and to provide a crime prevention device for elevators that allows the car to be operated only when there is only one passenger at night, thereby preventing most crimes inside the car. purpose.

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

In the figure, 1 is the wall of the elevator hall, 2 is the landing door that opens and closes the hall entrance, 3 is the elevator car, and 4
A car door that opens and closes the car entrance by a drive machine (not shown) installed in the car 3; 5 is a light projector installed in the car 3 that emits a beam of light 5a that crosses the car entrance; 6 also receives the beam of light 5a. A passenger detection device includes a light receiver that emits an output each time this light beam 5a is interrupted, and a counter 7 that is connected to the light receiver 6 and counts the input, and when the number of inputs reaches two, it emits an output and automatically resets after a certain period of time. , 8 is an output relay that is energized when the passenger detection device 7 issues an output, 8a is its normally closed contact, and 9 is closed when a hall call by the hall button or a car call by the destination button in the car 3 is registered. 10a is a night detection device contact which is operated by a clock device and closes during the day and opens at night; 10b is a night detection device contact which similarly opens during the day and closes at night; 11 is an attached contact; Start command relays (+) and (-) which issue a command to drive the car door 4 and start the car 3 when activated are DC power supplies.

Next, the operation of this embodiment will be explained.

During the day, the night detection device contact 10a is closed, so when a call occurs and the call detection relay contact 9 is closed, the start command relay is activated in the (+)-9-10a-11-(-) circuit. 11 is energized. with this,
If the car door 4 and the landing door 2 are closed, the car 3 will start up immediately. Furthermore, if both doors 4 and 2 are open, the car door 4 is driven and the landing door 2 is also driven in conjunction with this, and when both doors 4 and 2 are closed, the car door 4 is driven.
starts.

At night, the night detection device contact 10a opens and the same contact 10b closes. At this time, the car door 4 and landing door 2 remain open. This operation is called door open standby, but since this operation itself is well known, detailed explanation will be omitted. Now, if one passenger gets into the car 3, the light beam 5a is blocked by the passenger, so the light receiver 6 emits an output, and the passenger detection device 7 counts this. but,
Since the passenger detection device 7 does not produce an output, the output relay 8 is not energized and the contact 8a remains closed. Therefore, if a passenger who has boarded the car registers a car call using the destination button (not shown),
Call detection relay contact 9 is closed, (+)-9-10
The start command relay 11 is energized by the circuit b-8a-11-(-), and the car 3 is started.

Next, if one passenger gets on board and then a second person gets on board, the light receiver 6 will output twice, so the passenger detection device 7 will output, the output relay 8 will be energized, and the contact 8a will be opened. do. Now, even if a passenger registers a car call and the call detection relay contact 9 closes, the activation command relay 11 will not be energized, the car door 4 and the landing door 2 will not close, and the car 3 will not start. . Thereafter, when the passenger detection device 7 is automatically reset, the output relay 8 is deenergized and the contacts 8a are closed, so that the car 3 can be reused.

As a result, driving with two passengers riding together at night can be avoided, and the occurrence of a crime inside the car 3 can be prevented. Furthermore, since the door is on standby, passengers who feel unsafe can exit car 3 at any time. Since there are few people passing by any building at night, especially late at night, there is no risk of hindering operational efficiency even if only one person starts the train. Now, if you set the night time from 17:00 to 5:00, it will be about 80%, and if you set the night time from 11:00 p.m. to 5:00, it will be about 80%.
53% can prevent crime inside elevator cars.

Furthermore, it would be desirable to install an indicator light inside the car 3 and display the message ``Please note that the train departs only when there is one passenger at night'' to guide passengers.

In the example, the return to normal operation was automatically resumed after a certain period of time, but a lock-type switch may be provided at the landing or car 3, and manual reset may be performed by operating the switch, or a magnetic card or keyboard may be used to input data. A decoder may be provided and the output signal may be used to reset the decoder. Further, it is also possible to use an in-car destination button or a landing button instead of the keyboard. Furthermore, timed reset and manual reset may be used together.

3 and 4 show another embodiment of the invention, which is the same as FIG. 2 except as shown.

In the figure, 7A is a passenger detection device that emits an output when less than two people are detected by the output of load detector 19 (described later), 8b is a normally open contact of output relay 8, and 13 is configured in the shape of a window frame. A car frame 14 is a car chamber supported by the car frame 13 via anti-vibration rubber 15;
Reference numeral 16 passes through the transverse member on the upper part of the car frame 13 and supports the car frame 13 via a push spring 17, the upper end is a stopper connected to the main rope (not shown), and 18 is fixed to the lower end of the stopper 16. The support plate 19 is comprised of a differential transformer, a dial gauge, etc. provided between the upper transverse member of the car frame 13 and the support plate 18, and measures the amount of deflection of the push spring 17 and outputs a corresponding output. It is a load detector.

That is, the amount of passengers in the car compartment 14 is detected based on the amount of deflection of the push spring 17, and when there are less than two passengers, the passenger detection device 7A outputs an output, the output relay 8 is energized, and the contact 8b is closed. to be accomplished. Therefore, car 3 can be started. When there are two or more passengers, the passenger detection device 7A does not output any output, and the contact 8b is open. Therefore, car 3 does not start.

If the load capacity of car compartment 14 is 1000Kg, the weight of the woman is
40Kg, lightweight male weight 50Kg, to detect whether the total weight is 90Kg or less, the ratio of the minimum measurement weight to the live load is 90/1000 = 0.09 = 9%, and it is possible to measure with this value. Therefore,
Detection of <less than two people> is possible.

Note that the amount of passengers in the car compartment 14 can be similarly detected by measuring the amount of deflection of the vibration isolating rubber 15 instead of measuring the amount of deflection of the push spring 17.

As explained above, in this invention, since the elevator car can be operated only when there is only one passenger at night, it is possible to prevent most of the crimes in cars at night without impairing the efficiency of operation during the day. .

[Brief explanation of drawings]

FIG. 1 is a plan sectional view of a landing and a car showing one embodiment of the elevator security operation device according to the present invention, FIG. 2 is a circuit diagram of FIG. 1, and FIG. 3 is a diagram showing another embodiment of the present invention. A front view of the cage portion, FIG. 4 is a circuit diagram of FIG. 3. 3...Car, 5...Light emitter, 5a...Light beam, 6...Light receiver, 7...Passenger detection device, 8...Same left output relay, 9
. . . Call detection relay, 10a, 10b . . . Night detection device contact, 11 .

Claims (1)

[Claims] 1. A nighttime detection device that detects nighttime, a passenger detection device that detects that there is one passenger in the car, and when the nighttime detection device is operating, the passenger detection device is operating. A security operation device for an elevator comprising a start command device that enables the car to be operated only when the car is operated. 2. The elevator security operation device according to claim 1, which uses a device that detects passengers by blocking light beams as a passenger detection device. 3 Claim 1 in which a device for detecting the load inside the car by the amount of deformation of an elastic body is used as a passenger detection device
Elevator crime prevention device as described in Section 1.