JPS61101381A - Burglarproof operating device 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 security operation device.

In particular, the present invention relates to an elevator crime prevention device suitable for protecting passengers using the elevator from molesters, thugs, etc.

[Background of the invention]

Conventionally, this type of elevator security operation device operates a security operation switch installed at or near the elevator landing, as described in Japanese Patent Application Laid-open No. 59-97975, to prevent anyone from entering the elevator. An elevator that is not being boarded - An elevator that calls for a car and, after getting on the car, goes straight to the destination floor without responding to hall calls from intermediate floors.
is proposed.

However, this method does not provide any protection against, for example, a criminal lurking in the shadows of the elevator hall who starts dancing and forcibly enters the elevator the moment a passenger enters the elevator. On the other hand, since the car is designed to drive directly to the destination floor, passengers are forced to ride in the car with the criminal for a long time, and the passenger is unable to escape from the car, increasing the probability that the crime will be committed. There is.

[Purpose of the invention]

The present invention has been made in view of the above, and its purpose is to provide an elevator security operation device that can prevent a criminal hiding in the shadows from getting into the elevator. It is in.

[Summary of the invention]

The present invention is characterized by a forced door closing means that closes the door simultaneously with car call registration when the crime prevention operation command button is operated;
The present invention also includes a door reversal suppressing means for suppressing a door reversing function.

[Embodiments of the invention]

The present invention will be explained in detail below using the embodiments shown in FIGS. 1 to 5.

FIG. 1 is a circuit diagram showing an embodiment of a call registration circuit and an elevator position detection circuit of an elevator security operation device according to the present invention, and the one for the first to ninth floors is exemplified. In FIG. 1, IK~9 is a destination floor registration button in the car, IC-9C is a signal relay (coil) that memorizes that the above buttons IK~9K have been pressed, and IC,~9G,
are normally open contacts of relay IC~9C, respectively, R1-R9 are resistors that limit the current in the circuit, IF~9F are installed at positions corresponding to finger F that moves with the movement of the elevator and a certain scale ratio, and the position of each floor. Segment IS ~ 9S
Position detection relay (coil) that corresponds to the current position of the elevator is turned on by contact with IF, ~9
F and F are normally open contacts of position detection relays IF to 9F, respectively, and these are connected as shown.

Now, when a passenger in the elevator presses the destination floor registration button IK on the first floor, a circuit of IK-R1-IC is formed, the signal relay IC turns on, and the contact IC closes, so the destination floor registration button IK is pressed. Even if the signal relay IC is separated and returned to its original state, the signal relay IC is self-retained and continues to be in the on state. When the elevator reaches the first floor, the position detection relay IF turns on and the contact IF closes, so the signal relay (coil) IC is shortened.
The signal relay IC turns off. Destination floor registration button 2 for other floors
The case where ~9K is pressed is exactly the same as above.

FIG. 2 is a circuit diagram showing an embodiment of the device of the present invention, including a circuit for checking a car call and a circuit for turning on a relay for re-opening an elevator door that is being closed by operating a hall call button. . In Figure 2, IC
,~9C2 are the second normally open contacts of the signal relays IC~9C in Figure 1, respectively, and CG is a detection relay (coil) that turns on if any one of these contacts closes.
.

IF2 to 9F are position detection relays I in Fig. 1, respectively.
2nd normally open connection for F~9F, shrimp U~8 U is the elevator hall call button in the hall from the 1st floor to the 8th floor,
D to 9D are the descending hall call buttons located on the 2nd to 9th floors of the elevator, RU is the ascending hall call detection relay (coil), and RD is the descending hall call detection relay (coil).
These are connected as shown.

Now, the elevator is on the first floor, and when the first floor ascending hall call button IU is operated, the relay RU is turned on. Also, there is an elevator on the 9th floor.

When the 9th floor descending hall call button 9D is operated.

Relay RD turns on. Elevators for other floors
is on that floor, and if you operate the ascending hall call button, relay RU will be activated, and if you operate the descending hall call button, relay RD will be activated.
turns on.

FIG. 3 is a circuit diagram showing an embodiment of a part of the elevator door opening/closing control circuit and security operation command circuit of the apparatus of the present invention. In Figure 3, CL is a relay (coil) that gives a command to close the elevator door, OP is a relay (coil) that gives a command to open the door, and CLS and ○LS indicate that the elevator door is completely closed. Limit switch that opens when fully opened, ○P
B is a door opening button inside the elevator car, OR8 is an overload detection switch that opens when an excessive load is applied to the door,
SS is a safety switch that opens when the safety shoe attached to the end of the door operates, RU, R.
D, respectively, are second rising hall call detection relays RU.
, normally open contact of descending hall call detection relay RD, UD,
.

DD and DD are the normally open contacts of the elevator operating direction selection relays UD and DD, T is the contact of a timer that turns on at a predetermined time after the elevator stops at a certain floor and the door opens, IF, CC, are the normally open contacts of the position detection relay IFl shown in FIG. 1 and the call detection relay CC shown in FIG. 2, respectively. T152 will be explained with reference to FIG. UP...
UP is a normally closed contact of relay UP, which is on when the elevator is running up, and DN is a normally closed contact, DZ, of relay DN, which is on when the elevator is running down.

is the normally open contact of relay DZ that is turned on when the elevator is located in the area where the doors of each floor can be opened, S is the security operation command switch located in the building manager's room that is turned on when security operation is enabled, DC is a crime prevention operation command button installed in the hall on the first floor. When button DC is pressed while switch S is turned on, relay (coil) A is turned on, and its normally open contact A1 is opened to maintain self-retention. be done. A, also relay A
It is a normally open contact. This relay A is connected to the position detection relay IF in Figure 1 so that it is turned off when one passenger gets into the elevator on the first floor, the door closes, and the elevator starts moving in the upward direction.
A normally closed contact IF4 and a normally closed contact UP2 corresponding to the above are inserted as shown in the figure, and these are connected as shown in the figure.

In Fig. 3, when the security operation command switch S is not turned on and the relay A is not turned on, the elevator door is automatically closed within a normal predetermined time period, and the closing operation is performed. If the hall call button is pressed during the opening to issue a reopening command, or if the safety shoe or overload detection device is activated, the door will automatically reverse and open. However, switch S is turned on, button DC is pressed, a crime prevention driving command is given, and relay A
is on, the door close command relay CL is activated at the same time as the car call button is pressed.

D1S2 A2 CC1--50P+ OP+ CL-CLS
circuit turns on and closes the door. At this time, even if a signal that would normally reverse the door is given, such as a safety shoe, an overload detection device, or a door open command from the hall, this will be ignored and the door will continue to close (however, the open button will not work). valid).

FIG. 4 is a circuit diagram showing one embodiment of the timer circuit and alarm circuit of the device of the present invention. In Fig. 4, T5 is a timer set slightly longer than the time it normally takes for the door to close (for example, about 5 seconds).

The time limit is counted at the same time that a security operation command is given and a car call occurs, that is, at the same time as the doors begin to close, and the elevator starts upward operation and is reset when the normally open contact UP2 of the relay UP is closed. T15 is
This is a timer that operates when a longer time than timer T5 has elapsed, and is usually set to about 15 seconds. This also counts the time limit when a crime prevention driving command is given, a car call occurs, and the doors begin to close. Resetting is performed by starting the elevator in the upward direction. BZ
is a bell that operates when timer T5 is turned on, and is installed on top of the car. The INT is an intercom installed in a building manager's room, etc., and can be called by a normal elevator car lever call button CD, and can also be called automatically by the operation of a timer 715. When the timer T15 operates, the normally closed contact T15. of the timer T15 is activated in FIG. opens, turning off relay CL,
It's supposed to open the door. Furthermore, the IF in Fig. 4,
, IFll are the normally open contacts of the position detection relay IF in Fig. 1, A, , A are the normally open contacts of the relay A in Fig. 3, and c
c, cc are the normally open contacts of the call detection relay CC in FIG. 2, UP is the normally open contact of the relay UP, and T5. is the normally open contact of timer T5, T15. is a normally open contact of timer T15.

An embodiment of the security driving device of the present invention has been described above with reference to FIGS. 1 to 4, and the overall flow can be summarized as shown in the flowchart of the embodiment in FIG. 5.

As described above, according to the embodiment of the present invention, a female passenger or the like is ambushed by hiding in the shadows on the departure floor of an elevator.
After a female passenger has boarded the elevator, prevent the criminal from forcibly entering the elevator quickly by not flipping the door, and if he still tries to forcefully open the door, first ring the bell to warn him. However, if the culprit does not falter, the operator can be notified via the intercom, so that even if the culprit makes a mistake, the culprit will not be in the same elevator car as the culprit.

[Effect of Light] As explained above, according to the present invention, there is an effect that a criminal hiding in the shadows can be prevented from getting into the elevator car.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing an embodiment of a car call registration circuit and an elevator position detection circuit of the elevator crime prevention device of the present invention, and FIG. 2 is a circuit diagram showing a car call check circuit of the elevator crime prevention device of the present invention. A circuit diagram showing an embodiment of a circuit for turning on a relay for reopening an elevator door that is being closed by operation of a hall call button, FIG. FIG. 4 is a circuit diagram showing an embodiment of a part of the crime prevention driving command circuit, FIG. 4 is a circuit diagram showing an embodiment of the timer circuit and alarm circuit of the device of the present invention, and FIG. 5 is a circuit diagram showing the operation of the device of the present invention. It is a flowchart which shows one example which summarized a flow. IK~9K... Destination floor registration button in the car, 9C to IC.
... Signal relay, CC... Car call detection relay, CL
...Relay that gives the command to close the elevator door, C, LS, ○LS...Limit switch, OR3.
...Overload detection switch, SS...Safety switch, S...Security driving command switch, DC...Security driving command button, A...Relay, T5. T15...Timer, BZ...Bell, INT...Intercom.

Claims (1)

[Scope of Claims] 1. In an elevator in which a crime prevention operation command button provided in a hall is used to operate the elevator exclusively for car calls, when the crime prevention operation command button is operated, the car call is registered and the door is activated. A security operation device for an elevator, comprising: a forced door closing means for closing the door; and a door reversal suppressing means for suppressing a door reversing function. 2. The elevator security operation device according to claim 1, further comprising an alarm means for generating an alarm sound when the door is not completely closed within a predetermined time period when the forced door closing means is operated. 3. The elevator according to claim 1 or 2, wherein the in-car communication device is automatically activated when the door is not completely closed within a predetermined time period when the forced door closing means is operated. Security driving device.