JP3355653B2 - Evacuation elevator operating device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for operating an evacuation elevator which is used between a fire floor and an evacuation floor when a fire occurs.

[0002]

2. Description of the Related Art Conventionally, in the event of a fire, for example,
As disclosed in Japanese Patent Application Laid-Open No. 8-52171, there has been proposed an elevator that performs an evacuation operation of an elevator car. this is,
When the fire alarm installed on each floor is activated, the operation for general passengers is terminated immediately, and the car is stopped only at the predetermined evacuation floor and the floor where the fire alarm is activated (hereinafter referred to as the fire floor). Is performed. As a result, people on the fire floor can be quickly rescued to the evacuation floor.

[0003] The flow of evacuees in this case is shown in FIGS. 6 and 7. FIG. 6 shows a state at the fire floor, and FIG. 7 shows a state at the evacuation floor. (3B) is a landing on the evacuation floor, (4) is an evacuee riding a car on the fire floor, (5) is a flow of evacuees (4) riding on a car (1), and (6) is a car on the evacuation floor The evacuees get off from (1) and (2), (8) shows the flow of the evacuees (6) getting off from the car (1), and (9) shows the flow from the car (2).

[0004]

In the conventional evacuation elevator operating device as described above, the car is stopped on the fire floor due to the occurrence of a fire, the evacuated person (4) is loaded, and the evacuation floor is lowered on the evacuation floor. Therefore, on the fire floor, as shown in Fig. 6, the evacuees (4) who had been terrified until now rushed to the car (1), causing great confusion, and the car (1) was full. There is a problem in that the car (1) cannot be departed from the fire floor when trying to get in even if it becomes a storm.

On the evacuation floor, as shown in FIG. 7, when a plurality of cars (1) and (2) arrive and open at the same time, the landing (3)
There is a problem that the evacuees (6) overflow in B) and they cannot get off the baskets (1) and (2) smoothly.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and enables an evacuee to get on quickly on a fire floor so that the evacuee can get off quickly and get off quickly on the evacuation floor. It is an object of the present invention to provide an evacuation elevator operating device as described above.

[0007]

The first aspect of the present invention relates to an evacuation elevator operating device , wherein a car is mounted on a fire floor.
When you arrive, keep the door open and wait for the arrival of another car
Door opening adjustment means for simultaneously starting the door opening of the car is provided.

The evacuation elevator operating device according to the second invention is provided with door opening preventing means for preventing a plurality of cars from opening simultaneously on the evacuation floor.

[0009]

[Action] In the first aspect of the invention, since so as to simultaneously door open initiate multiple car fire floor evacuees can ride distributed to each cage.

Further, in the second invention, since a plurality of cars are prevented from simultaneously opening on the evacuation floor, a space for the evacuation passage can be secured.

[0011]

【Example】

Embodiment 1 FIG. 1 to 3 show an embodiment of the first invention of the present invention. FIG. 1 is an overall configuration diagram, FIG. 2 is a circuit diagram, and FIG.
Is a plan sectional view of a car and a landing showing a flow of evacuees on a fire floor, and the same parts as those of the conventional device are denoted by the same reference numerals. FIG. 1 also includes an embodiment of the second invention. In FIGS. 1 and 2, those suffixed with “1” are for the first machine, and those suffixed with “2” are for the second machine.

In FIG. 1, A is a fire alarm, B is an evacuation operation control means for instructing an evacuation operation from a fire floor to an evacuation floor, C is a driving device for operating a car in accordance with an instruction from the evacuation operation control means B, D A door control device for controlling the opening and closing of the door of the car, E is a car position detector, F takes in the output of the car position detector E, and even if one of the cars (1) and (2) stops on the fire floor, Door opening adjustment means for preventing the door opening until the other stops,
G is a door-opening preventing means for preventing the doors from opening even when the other stops, until one of the cars (1) and (2) stops on the evacuation floor until the doors are closed and closed.

In FIG. 2, (+) and (-) indicate a DC power source, and (12a)
-(14a) are the fire alarm relay contacts that close when the fire alarm A on the second to fourth floors is activated, respectively, and (16a) is when the open car stops while the car is running and a certain time has elapsed after the door opened. (17) is a door open button provided in the car, (18) is a door safety switch that is provided at the front edge of the door and opens when passengers come in contact, and (19) is energized. Door control relay that issues a door closing command when it is deenergized, and issues a door opening command when deenergized, (20a) is a traveling relay contact that closes while the car is traveling, (20a)
b) is a traveling relay contact that is also open, (22a) to (24a) are car position contacts that close when the car is on the second to fourth floors respectively, (25) is a door open prevention relay, and (25a) is a door open prevention relay. Its normally open contacts,
(26) is a fire floor arrival relay, and (26a) and (26b) are normally closed contacts.

Next, the operation of this embodiment will be described. now,
It is assumed that two cars (1) and (2) of Unit 1 and Unit 2 are installed, the service floors thereof are the first to fourth floors, and the evacuation floor is the first floor. When the fire alarm A on the third floor operates when the cars (1) and (2) are on floors other than the third floor, the fire alarm relay contacts (13a-1) (13a-
2) is closed. The elevator is immediately switched from the general operation control device (not shown) to the evacuation operation control means B-1 and B-2, and the cars (1) and (2) are moved to the fire floor by the driving devices C-1 and C-2. Drive to the floor. For example, while the car (1) is traveling, the traveling relay contact (20a-1) is closed, so that the door control relay (19-1) is energized and the door closing command is output.
The contact (20b-1) is open.

When the car (1) arrives at the third floor, the car position contact (23a-1) on the third floor is closed, and (+)-(13a-1)-(23a-1)-(2
In the circuit of 6b-1)-(25-1)-(-), the door open prevention relay (25-1) is energized and the contact (25a-1) is closed. When the car (1) stops on the third floor, the traveling relay contact (20a-1) opens, but the contact
Since (25a-1) is closed, the door control relay (19-1) continues to be energized and the door close command is output, and the door is not opened. Further, since the contact (20b-1) is closed, the fire floor arrival relay (26-1) is energized, and the contacts (26a-1) and (26b-1) are opened.

Here, when the car (2) travels to the third floor and stops, (+)-(13a-2)-(23a-2)-(26b-2)-(26-2)-(- )
With this circuit, the fire floor arrival relay (26-2) is energized, and the contacts (26a-2) and (26b-2) are opened. With this, the door open prevention relay (2
5-1) (25-2) is deenergized, and the contacts (25a-1) and (25a-2) are opened. At this time, since the door open timed relay contacts (16a-1) and (16a-2) are open, the door control relays (19-1) and (19-2) are deenergized. For this reason, the door opening command is output, and the cars (1) and (2) are simultaneously opened. As a result, the evacuees (4) at the third floor landing (3A) will board the cars (1) and (2), and the flows of evacuees (6) and (7) will be dispersed as shown in FIG. Will be smooth, and cars (1) and (2) will be able to leave early from the third floor.

Embodiment 2 FIG. FIGS. 1, 4 and 5 show an embodiment of the second invention of the present invention. FIG. 4 is a circuit diagram, and FIG. 5 is a plan sectional view of a car and a landing showing a flow of refugees on an evacuation floor. It is a figure, and the same part as Example 1 is shown with the same code | symbol. Also, in FIG. 4, those with “1” added to the end of the code are 1
Numbers for Unit 2 and “2” indicate Unit 2.

In FIG. 4, (12b) to (14b) are fire alarm relay contacts similar to the fire alarm relay contacts (12a) to (14a) of FIG.
a) car position contacts that close when the car is on the ground floor, (27)
Is a door open selection relay, (27a) and (27b) are normally closed contacts,
(27c) is a normally open contact, (28) is a door open prevention relay, (28
a) is a normally open contact, (29) is a door opening prevention timed relay which is immediately sucked when energized and falls after a predetermined time (for example, 5 seconds) when deactivated, and (29a) is a normally open contact. It is.

Next, the operation of this embodiment will be described. Basket
When (1) and (2) run from the third floor, which is the fire floor, and run toward the evacuation floor on the first floor, the door control relays (19-1) and (19-2) contact the travel relay contacts (20a-1) respectively. ) (20a-2). When the door control relay (19-1) (19-2) is energized, the contact (19a
-1) and (19a-2) are closed.
9-1) and (29-2) are energized, and the contacts (29a-1) and (29a-2) are closed. When the cars (1) and (2) arrive on the first floor, the car position contacts (21a
-1) (21a-2) closes. At this time, the fire alarm relay contact (13b
-1) and (13b-2) are closed, so (+)-(13b-1)-(21a-
In the circuit of 1)-(27a-2)-(27-1)-(-), the door open selection relay (27-1) is energized, and (+)-(13b-2)-(21a- 2) − (27a-1)
In the circuit of-(27-2)-(-), the door open selection relay (27-2) is activated.

However, when the contact (27c-1) is closed, the door open selection relay (27-1) is held by itself, but the door open selection relay (27-2) is closed at the contact (27a-1). Is extinguished by opening. The contact (27b-1) is now open and the contact (27b-2)
Is closed, (+)-(13b-2)-(21a-2)-(27b-2)-(28-2)-
In the (-) circuit, the door closing prevention relay (28-2) is energized and the contact (28
a-2) is closed. Therefore, even if the car (2) stops and the traveling relay contact (20a-2) is opened, (+)-(28a-2)-(29a-2)
In the circuit of-(19-2)-(-), the door control relay (19-2) continues to be energized, and the car (2) keeps the door closed.

On the other hand, the car (1) stops and the traveling relay contacts
When (20a-1) is opened, since the contact (28a-1) is open, the door control relay (19-1) is deenergized and the car (1) is opened. The evacuees (6) in the car (1) now get off at the landing (3B) on the first floor, but the car (2) has not yet opened.
As shown in the figure, the flow (8) of the evacuees (6) is smooth and the landing (3
There is no human overflow in B).

When the door control relay (19-1) is deactivated, the contact
(19a-1) is opened, the door opening prevention time relay (29-2) is deenergized, and the contact (29a-2) is opened after 5 seconds. As a result, the door control relay (19-2) is deenergized, the car (2) is opened, and the evacuees (6) in the car (2) get off at the landing (3B) on the first floor. At this time,
Since the evacuees (6) in the car (1) have already evacuated, no people overflow in the landing (3B).

[0023]

In the first invention as described above the invention according to the present invention, since the cause at the same time the door-opening start a plurality car fire floor evacuees can ride dispersed in each car,
There is an effect that the car can be quickly departed. Also,
The evacuees know that the evacuation elevator has been sufficiently secured, which has the effect of reducing panic during a fire.

In the second invention, a plurality of cars are prevented from simultaneously opening on the evacuation floor.
There is an effect that a space for the evacuation passage is secured and the evacuees can be evacuated smoothly.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing a first embodiment and a second embodiment of the present invention.

FIG. 2 is a circuit diagram showing Embodiment 1 of the present invention.

FIG. 3 is a plan sectional view of a car and a landing showing a flow of evacuees on a fire floor according to the first embodiment of the present invention.

FIG. 4 is a circuit diagram showing a second embodiment of the present invention.

FIG. 5 is a plan sectional view of a car and a landing showing a flow of evacuees on an evacuation floor according to Embodiment 2 of the present invention.

FIG. 6 is a plan sectional view of a car and a landing showing a flow of evacuees on a fire floor by a conventional evacuation elevator operating device.

FIG. 7 is a plan sectional view of a car and a landing showing a flow of evacuees on an evacuation floor by a conventional evacuation elevator operating device.

[Explanation of symbols]

A (12a-1 to 14a-1, 12b-1 to 14b-1, 12a-2 to 14a-2, 12b-
2-14b-2) Fire alarm (fire alarm relay contacts on the 2nd to 4th floors of Units 1 and 2) D-1, D-2 Door control unit of Units 1 and 2 (hereinafter abbreviated) E-1 (21a-1 to 24a-1), E-2 (21a-2 to 24a-2) Car position detector (car position contact on the first to fourth floors) F-1 (25a-1, 26b-1), F-2 (21a-2, 26b-2) Door opening adjustment means (door opening prevention relay contact, fire floor arrival relay contact) G-1 (27a-1, 28a-1), G-2 (27a-2, 28a-2) Door opening prevention means (door opening selection relay contact, door opening prevention relay contact)

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B66B 1/00-1/52 B66B 5/00-5/28 B66B 9/00-9/20 B66B 13 / 00-13/30

Claims (2)

(57) [Claims] 1. An elevator in which a plurality of cars are operated between a fire floor and an evacuation floor when a fire signal is issued, wherein a door is prevented from opening even if the car arrives at the fire floor .
A device for operating an evacuation elevator, comprising door opening adjusting means for simultaneously starting the door opening of all the arriving cars after the arrival of the car. 2. An elevator in which a plurality of cars are operated between a fire floor and an evacuation floor when a fire signal is issued. A door opening for preventing the plurality of cars from opening simultaneously on the evacuation floor. An evacuation elevator operating device comprising a blocking means.