KR20230034668A - Elevator car emergency exit opening and closing device - Google Patents

Abstract

The present invention relates to an emergency exit opening and closing device for an elevator car, which is an emergency exit opening and closing device for an elevator car equipped with an elevator door, an emergency exit in a lighting fixture, and a control panel indoors, for enabling quick escape and rescue operations. The lighting fixture comprises: a lighting housing which has a space therein and openings at an upper part and a lower part, respectively; a lighting panel which rotates downward by rotating around a hinge mounted on one end of the lower opening of the lighting housing; an emergency ladder which is coupled to a detachable means formed on an upper surface of the lighting panel to be stored; an electric damper which has a rod operating to be withdrawn or retracted and having an end connected to the lighting panel by a hinge; a driving unit which opens and closes the lighting panel when the rod is withdrawn or retracted, by connecting an end of the electric damper to the housing by a hinge; a car internal switch which controls an opening and closing signal of the driving unit; a battery which supplies power to the electric damper; and a controller which is connected to the battery, connected to the car internal switch, and connected to a battery charger to control an on/off operation of the electric damper and a charging on/off operation of the battery.

Description

Elevator car emergency exit opening and closing device {Elevator car emergency exit opening and closing device}

The present invention relates to an emergency exit opening and closing device of an elevator car, and more particularly, an emergency exit for emergency escape is provided on the ceiling of an elevator, and an emergency escape ladder is deployed when the ceiling is automatically opened when a switch in the elevator is operated in an emergency situation. It relates to an emergency exit opening and closing device of an elevator car that enables

In general, various elevators such as elevators and lifts are installed in buildings or structures to be able to move up and down, and an emergency exit is formed on the upper ceiling to escape or rescue in an emergency, so that it is normally closed and open for use in an emergency. are doing

As a prior art related to this, in Korean Utility Model Publication No. 1998-0022741 (Patent Document 1), even if the rescue exit is closed, the power is connected by locking a separate manual locking device to prevent human damage caused by malfunction of the elevator. In order to prevent it, as the handle installed at one end of the rescue port is held and rotated in the up and down direction, the contact is detached from the switch at the top of the knob installed on the upper surface, so that the power is cut off or connected to the rescue port installation structure of the moving elevator. In the upper center of the handle, a bolt hole having a predetermined diameter is formed and a locking bolt inserted into the bolt hole is formed, and an insertion rod having a predetermined diameter and size is integrally formed at the center of the bottom of the locking bolt and the insertion rod is inserted An elevator exit locking device has been proposed by forming a rectangular parallelepiped locking member with a through hole formed at one end to be press-fitted, and installing a knob equipped with a switch on the side at one end of the upper surface of the elevator.

In addition, Korean Utility Model Registration No. 20-0134827 (Patent Document 2) prevents safety accidents by preventing malfunction of the elevator due to carelessness when rescuing passengers inside the elevator through the emergency exit due to the occurrence of an emergency inside the hoistway. In order to prevent the door from being opened and closed, a door is installed on the upper part of the elevator, a locking pin is elastically installed on the door as an elastic member, and a bracket for locking the locking pin is installed on the upper surface of the elevator. A safety device for an emergency exit for an elevator has been proposed by installing a switch contact and installing a safety switch operated by the switch contact according to the opening and closing of the door on the upper surface of the corresponding elevator.

However, in the emergency exit opening and closing structure according to the prior art, it is difficult not only to quickly open and close the door, but also to simultaneously open the upper part of the elevator ceiling and inside the elevator, and also to collide with passengers inside the elevator as the door rapidly descends during opening. contains the risk of

The present inventor has applied for Korean Patent Application No. 10-2017-0062587.

This means that if the emergency opening and closing door installed in the lighting panel is opened together, the exit (emergency exit) for evacuation can be easily recognized and evacuated quickly within a short time. was made to improve.

However, when the means holding the latch is released, the opening and closing door is opened by its own weight, and since the opening speed is fast and it has a load, there is a risk of injury to passengers during the opening operation.

The present invention is to improve Patent Application No. 10-2017-0062587, which is a previous invention of the present inventor, and the lighting panel provided on the ceiling of the elevator car is partially opened by operating the opening and closing switch to form an exit, A ladder stored in the lighting panel can be used, but an electric damper is provided so that the unfolding operation of the lighting panel can be gently opened to protect the safety of passengers, and an auxiliary switch to open the lighting panel at the top of the elevator car. Its purpose is to provide an emergency exit opening and closing device for an elevator car that is provided so that the lighting panel can be opened from the inside and outside of the elevator car so that escape and rescue operations can be performed quickly.

In addition, an auxiliary cylinder assisting the opening and closing operation of the electric damper is further provided to prevent the overspeed opening.

In addition, the power supply for the opening and closing operation of the electric damper further includes a battery pack so that power supply can be maintained even when external power is cut off.

An object of the present invention described above is an emergency exit opening and closing device for an elevator car having an elevator door, an emergency exit in a lighting fixture, and a control panel inside the room, wherein the lighting fixture has a space formed therein and an upper part. Luminaire housings each having an opening in the lower portion and the lower portion; a lighting panel that rotates downward by pivoting a hinge mounted on one end of the lower opening of the lamp housing; An emergency ladder coupled to and stored in a detachable means formed on an upper surface of the lighting panel; A motorized damper having a rod that is drawn out or retracted and whose end is hingedly connected to the lighting panel, and an end of the motorized damper is hinged to the housing so that the lighting panel is opened and closed when the rod is pulled out or retracted; a switch inside the car that controls an opening/closing signal of the driving unit; a battery supplying power to the electric damper; A controller connected to the battery, connected to the switch inside the car, and connected to the battery charger to control the on-off operation of the electric damper and the charging on-off of the battery; can be achieved by

The switch inside the car may include a key box for inserting a key possessed by a firefighter, and a transmitter interlocking with the key box to transfer an on/off signal to a controller.

It further includes a car external switch formed inside the housing and operated at an emergency exit, and the car external switch controls the opening and closing operation of the opening and closing panel by transmitting a signal to the controller to control the on/off of the electric damper. to be

According to the present invention, the lighting panel provided on the ceiling of the elevator car is partially opened by the operation of the opening and closing switch to form an escape route, and the ladder stored in the lighting panel can be used, but the unfolding operation of the lighting panel An electric damper is provided to open gently to protect the safety of passengers, and an auxiliary switch is provided to open the lighting panel at the top of the elevator car so that the lighting panel can be opened from the inside and outside of the elevator car. Escape and rescue operations can be performed quickly.

1 is a front view of the inside of an elevator car to show an emergency exit opening and closing device of an elevator car according to the present invention;
2 is a cross-sectional view showing a closed state of the emergency exit opening and closing device of an elevator car according to the present invention;
3 is a cross-sectional view showing an open state of the emergency exit opening and closing device of an elevator car according to the present invention;
4 is a front view of the open state of FIG. 3;
5 is a view showing a state in which the ladder is deployed in an open state.

Hereinafter, a preferred embodiment will be described in detail based on the accompanying drawings.

The embodiments to be described below are intended to be described in detail so that those skilled in the art can easily practice the invention, thereby limiting the technical spirit and scope of the present invention. doesn't mean

In addition, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of description, and terms specifically defined in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or operator. It can be, and it is revealed that the definitions of these terms should be made based on the contents throughout this specification.

Among the accompanying drawings, FIG. 1 is a front view of the inside of an elevator car to show an emergency exit opening and closing device of an elevator car according to the present invention, and FIG. 2 shows a closed state of the emergency exit opening and closing device of an elevator car according to the present invention. 3 is a cross-sectional view showing an open state of the emergency exit opening and closing device of an elevator car according to the present invention, FIG. 4 is a front view of the open state of FIG. 3, and FIG. it is a drawing

As shown in FIGS. 1 to 4, the present invention is provided with an elevator door 102, an emergency exit is provided in the lighting fixture 100, and an emergency exit opening and closing of an elevator car 2 equipped with a control panel inside the room. As a device,

The lighting fixture 100,

A lamp housing 120 having a space formed therein and having openings 126 and 127 at upper and lower portions, respectively;

a lighting panel 140 that rotates downward by pivoting a hinge 130 mounted at one end of the lower opening of the lamp housing 120;

An emergency ladder 300 coupled to and stored in the detachable means 200 formed on the upper surface of the lighting panel 140;

A motorized damper 240 having a rod 220 that is drawn out or retracted and whose end is hingedly connected to the lighting panel 140, and the end of the motorized damper 240 is hingedly connected to the luminaire housing 120 so that the rod ( 220) driving unit 400 to open and close the lighting panel 140 during withdrawal or retraction operation;

a car internal switch 500 controlling the open/close signal of the drive unit 400;

A battery 600 supplying power to the electric damper 240;

A controller connected to the battery 600, connected to the switch 500 inside the car, and connected to a battery charger (not shown) to control the on/off operation of the electric damper 240 and the charging on/off of the battery 600 (not shown); is configured to include.

The lamp housing 120 is made of a substantially rectangular shape, and the upper opening is used as an emergency exit 126 that can be used when escaping. is formed

The lighting panel 140 is coupled to the hinge 130 at the lower part of the lighting fixture housing 120 so that it can be opened and closed, and the lighting panel 140 is divided into two parts so that only half of them are opened and closed.

This is because even if only half of the opening is opened, an opening large enough for a person to pass through is created, so escape will not be hindered.

The emergency ladder 300 is stored in a folded state on the upper surface of the lighting panel 140. The emergency ladder 300 is kept coupled to a detachable means 200 made of a band having a Velcro fastener.

One end of the electric damper 240 is hinged to the emergency exit side of the housing 120, and the rod 220 is hinged to the lighting panel 140.

An auxiliary cylinder 250 operated together is further mounted on one side of the electric damper 240. The rod of the auxiliary cylinder 250 is hinged to the lighting panel 140, and the body of the auxiliary cylinder 250 is connected to the housing.

Accordingly, an on signal is transmitted to the electric damper 240 so that the lighting panel 140 can be opened when the rod 220 is pulled out (see FIGS. 3 and 4).

Power to the electric damper 240 is supplied by a battery 600 provided separately. Since the battery 600 is of a rechargeable type, even if external power is cut off, power can be stably supplied.

In addition, it is connected to the battery 600, connected to the switch 500 inside the car, and connected to a battery charger (not shown) to control the on-off operation of the electric damper 240 and the charging on-off of the battery 600 by a controller (not shown). ) will be controlled.

The battery 600 connected to the battery charger by an external power source is always charged in the best condition. When charging is completed, the battery charger is provided with a blocking circuit (not shown) that stops charging to prevent overheating of the battery 600 due to overcharging.

The electric damper 240 has one end of the body 120 inserted into the emergency exit 126 side of the housing 120 by being hinged with the shaft pin 243 to open the emergency exit cover C from the upper part of the ceiling during forced escape, and the shaft pin during forced escape When the 243 is pulled out, the electric damper 240 and the lighting panel 140 can be separated from the lamp housing 120, making escape easy.

The car internal switch 500 includes a key box 520 formed of a triangular key into which a fireman possesses a key, and a transmitter (not shown) that transmits an on/off signal to a controller (not shown) in conjunction with the key box 520. include

When the firefighter inserts the key and operates the open operation signal, the on operation signal is transmitted to the driving unit 400 of the lighting panel 140, so that the lighting panel 140 is opened.

On the other hand, a car external switch 580 formed inside the housing 120 and operated from an emergency exit; further includes.

The car external switch 580 transmits a signal to a controller (not shown) to control the on/off of the electric damper 240 so that the lighting panel 140 is automatically opened and closed.

Therefore, when a person enters the elevator passage and opens and operates the car external switch 580 at the top of the elevator car 2, the lighting panel 140 can be automatically opened.

When the lighting panel 140 is opened, the emergency ladder 300 comes down in a mounted state.

After unfolding and deploying the emergency ladder 300, it is possible to quickly escape by opening the emergency exit 126.

In addition, by selectively using the triangular key 500 inside the car and the switch 580 on the top of the car as needed, the lighting panel 140 can be opened from the inside or the lighting panel 140 can be opened from the top of the car. It can be used appropriately depending on the situation.

In addition, the opening operation of the lighting panel 140 can be automatically stopped according to the angle at which it is turned off, so that it can be properly adjusted.

Although described in relation to preferred embodiments, it will be readily recognized by those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, and all such changes and modifications fall within the scope of the appended claims. is self-explanatory.

2: elevator car 100: lighting fixtures
102: elevator door 120: luminaire housing
126, 127: opening 140; lighting panel
220: rod 240: electric damper
300: emergency ladder 400: driving unit
500: switch inside the car 520: key box
580: car external switch 600; battery

Claims (3)

An emergency exit opening and closing device for an elevator car equipped with an elevator door, an emergency elevator equipped with an emergency device on the ceiling, an emergency exit device provided with a lighting fixture, and a control panel installed indoors,
The lighting fixture,
A lamp housing having a space formed therein and having openings at upper and lower portions, respectively;
a lighting panel that rotates downward by pivoting a hinge mounted on one end of the lower opening of the lamp housing;
An emergency ladder coupled to and stored in a detachable means formed on an upper surface of the lighting panel;
A motorized damper having a rod that is drawn out or retracted and whose end is hingedly connected to the lighting panel, and an end of the motorized damper is hinged to the housing so that the lighting panel is opened and closed when the rod is pulled out or retracted;
a switch inside the car that controls an opening/closing signal of the driving unit;
a battery supplying power to the electric damper;
a controller connected to the battery, connected to the switch inside the car, and connected to the battery charger to control on/off of the electric damper and on/off of charging the battery;
Elevator car emergency exit opening and closing device comprising a. According to claim 1,
The switch inside the car includes a key box into which a firefighter possesses a key, and a transmitter interlocked with the key box to transmit an on/off signal to a controller. According to claim 1,
It further includes; a car external switch formed inside the housing and operated from an emergency exit,
The emergency exit opening and closing device of the elevator car, characterized in that the car external switch controls the opening and closing operation of the opening and closing panel by transmitting a signal to the controller to control the on-off of the electric damper.

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