KR20140133138A - Emergency door automatic open-close system - Google Patents

Abstract

An emergency door automatic unblocking system is introduced, which switches the emergency door to an openable state in case of emergency.
An emergency door automatic opening system of the present invention includes: a releasing portion fixedly coupled to a ceiling wall surface adjacent to an emergency door; A lock part which is foldably coupled to the emergency door and has a hook formed on one side thereof to be inserted and fixed to the release part when the emergency door is closed and to be freely dropped and released from the release part when the emergency door is opened; Fire detection sensor; And a control unit receiving the fire occurrence information sensed by the fire detection sensor and applying power to the release unit to release the hooks inserted and fixed to the release unit.

Description

{EMERGENCY DOOR AUTOMATIC OPEN-CLOSE SYSTEM}

The present invention relates to an emergency door automatic opening system, and more particularly, to an emergency door automatic opening system using a free fall method.

In general, buildings with multi-use facilities such as clubs, pubs, buildings, theaters, theaters, and apartments are provided with emergency doors to allow emergency evacuation in dangerous situations such as fire and gas leakage.

Generally, since the emergency doors are rarely used at ordinary times, they are managed in a locked state in order to prevent outside intrusion or theft and safety accidents of young children, and they are managed to be manually opened and closed using a separate locking device Currently, there are.

As the use of radiators has increased, the risk of fire has increased and the expansion of clubs, pubs, buildings, theaters, theaters, and apartments has become legal, and the structure of the buildings has been rapidly changed. As a result, As described above, since the emergency door is kept closed as described above, there is a concern that a large-scale human casualty may occur in the event of a fire. Therefore, it is necessary to prepare a fundamental countermeasure.

As part of these measures, the current Fire Service Act requires emergency doors to be opened in case of fire, and it also stipulates that emergency doors should be opened at all times when a square is installed on the roof of the Building Act.

In addition, it is managed to allow the opening of the rooftop door in case of an emergency in the presence of a 24-hour administrator, or in the case of apartments such as apartments, the keys of the door on the roof are paid in advance to each household so that direct opening is possible in case of emergency.

However, in many apartments, the risk of being abused as a derailment place, such as bond and gas sucking and snoozing, is high at the time of opening the roof, and it is suggested that the rooftop door is locked or completely filled with locks because of the high risk of safety accidents such as suicide or falling. to be.

As a result, if a fire or other emergency situation occurs, the manager who manages the fire will not be able to open the door lock of the emergency door, resulting in unexpected accidents.

Recently, in order to solve the problem of securing the evacuation space and the inconvenience of the residents, it is necessary to install the automatic door opening / closing device connected with the fire door sensor and the roof door opening / closing device which can be remotely controlled from the apartment management office. Clubs, pubs, buildings, theaters, theaters, and other multi-use facilities are also required to install these facilities.

On the other hand, as described above, normally, the emergency exit port must remain openable due to the possibility of fire. However, there is a limit to keep the emergency exit port open at all times due to security and crime prevention problems.

Generally, in a building in which a branch of a business is located, the emergency door is locked. If it is proved impossible to open it using a key bundle at the time of firefighting inspection, it becomes a penalty charge.

To solve these problems, an automatic door opening / closing device for an emergency door is introduced.

The automatic door opening / closing device of an emergency door refers to an opening / closing device installed in an emergency door, and refers to a device which automatically opens and closes an emergency exit by a fire signal or manual operation signal of an automatic fire detection device.

The automatic door opening / closing device of the emergency door maintains the closed state of the emergency door by supplying electric current normally, and in the event of fire or emergency, the door is automatically opened by interrupting the supply of electric current through the controller.

Hereinafter, some of various prior art related to the emergency door automatic opening and closing apparatus will be described.

Korean Registered Utility Model No. 20-0427721 (September 25, 2006) discloses an automatic emergency opening / closing device.

The 'emergency door automatic opening and closing device' includes a fire detection means installed in the building or outside to detect a fire or emergency and convert the electric signal into an electric signal, modulate the electric signal into a wired / wireless detection signal, A door opening / closing device installed in an emergency door and an emergency door, operated by an external power source to operate the emergency door in a locked state or an open state, or generating and transmitting a locked or open state of an emergency door to a wired or wireless signal, An automatic opening / closing controller for receiving the sensing signal transmitted from the sensing means or controlling the opening / closing state of the emergency door by interrupting the power supplied to the door opening / closing device by the input of the password, and an automatic opening / closing controller installed in a plurality of emergency doors And a central control manager capable of integrated management.

Accordingly, the plurality of emergency doors are interlocked with the fire detection means to automatically open when a fire is detected. Also, the administrator can control the door opening / closing device by remote communication, It provides a highly reliable product for opening the emergency door, and can take prompt action in the event of an emergency, thereby reducing the casualties.

Korean Unexamined Patent Publication No. 10-2005-0075902 (July 25, 2005) discloses an " emergency door automatic opening / closing device ".

The automatic emergency opening / closing device of the emergency door is composed of a capacitor for charging a DC voltage, an electrostatic relay switch for supplying a voltage outputted from the capacitor at the time of power failure to the switching gate drive voltage provided in the emergency door, A switch for turning on when the detection signal is inputted and supplying a voltage outputted from the capacitor to the switch driving voltage; an output for locking or unlocking the voltage supplied from the power relay switch and the fire relay switch to the switch, Switch.

This makes it easy to unlock the emergency doors installed on the rooftop of the building or on the roof of the apartment in the event of a power outage or a fire, so that people can quickly evacuate through the emergency doors, So that the rooftop can not be used as a venue for suicide and derailment of the youth, and by providing a simple structure product in which a plurality of switches are connected, it is possible to reduce the production cost and improve the reliability of the operation of the product There is an advantage to be able to.

However, in the case of the above-described related arts, there is a problem in that all of the opening and closing apparatuses that are operated in the horizontal direction and open and close the emergency exit openings are provided with power supply from the outside, .

In other words, in addition to an electrical configuration for applying power for opening the emergency exit, a separate mechanical configuration is required to operate by receiving such a power supply. As a result, the electrical configuration is different and the disadvantage Lt; / RTI >

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as adhering to the prior art already known to those skilled in the art.

Korean Registered Utility Model No. 20-0427721 (September 25, 2006) Korean Patent Publication No. 10-2005-0075902 (July.25, 2005)

In order to solve such a conventional problem, the present invention provides an emergency door automatic opening system that uses a hinge principle to maintain the lock state at normal times and to switch the locked state to a releasable state and an emergency door openable state by a free- The purpose is to provide.

According to an aspect of the present invention, there is provided an emergency door automatic opening system comprising: a releasing part fixedly coupled to a ceiling wall adjacent to an emergency door; A lock part which is foldably coupled to the emergency door and has a hook formed on one side thereof to be inserted and fixed to the release part when the emergency door is closed and to be freely dropped and released from the release part when the emergency door is opened; Fire detection sensor; And a control unit receiving the fire occurrence information sensed by the fire detection sensor and applying power to the release unit to release the hooks inserted and fixed to the release unit.

The releasing portion may include a case having an insertion port for inserting the hook in one side thereof; A holder rotatably coupled to the inner surface of the case at a first hinge axis and having an engaging projection formed at one end thereof with a releasing pin coupled to the solenoid and rotating along a predetermined section; And a latching groove formed on one side of the outer circumferential surface so as to be selectively engaged with the latching protrusion; A locker rotatably coupled to the inner surface of the case through the latching piece and the second hinge shaft and having a hook formed at one end thereof so as to be hooked on the hook inserted into the insertion port; A first torsion spring that is wound around the first hinge shaft and has both ends held in engagement with the one side surface of the holder and the inner circumferential surface of the case; And a second torsion spring that is wound around the second hinge axis and keeps both ends of the second hinge shaft engaged with the one side of the locker and the inner side of the case.

And the control unit operates the release pin by applying power to the solenoid according to a fire generation signal sensed by the fire detection sensor.

The fire detection sensor senses any one of heat detection and noxious gas detection to detect the occurrence of a fire.

And an emergency power supply unit for supplying an emergency power to the solenoid when a power failure occurs.

The present invention is capable of releasing the emergency door lock state in an emergency by a simple operation and a simple principle due to the above-described technical structure, and also by switching an emergency door to an openable state by using a separate emergency power source supply unit during a power failure, There is an advantage to be prepared for an emergency.

1 is a view showing an emergency door unlocking state of the present invention,
2 is a view showing the emergency door locking state of the present invention,
3 is a view showing a state in which the hook is inserted into the release portion in the emergency door unlock state of the present invention,
3 is a view showing a state of the emergency door lock release portion of the present invention,
4 is a view illustrating an emergency door unlocking process of the present invention.

Hereinafter, an automatic emergency opening system according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

1 and 2, the emergency door automatic opening system of the present invention includes a release part 100 fixedly coupled to a ceiling wall C adjacent to an emergency door D, And a hook 210 which is inserted and released from the releasing part 100 when the emergency door D is opened when the emergency door D is closed and inserted into the releasing part 100 when the emergency door D is opened, The fire detection sensor S and the fire occurrence information sensed by the fire detection sensor S and receives power to the release unit 100 to insert the release unit 100 into the release unit 100 And a control unit 300 for inserting the fixed hook 210.

Whether or not the power is applied may be reversed.

The power source uses DC 24V, and these power sources are received from the earth alarm, main alarm or visual alarm.

In other words, the hook 210 can be freely dropped by normally applying power to maintain the locked state and stopping the power supply in case of an emergency, and this can be applied by a designer or a user.

The control unit 300 receives the fire information sensed by the fire detection sensor S when a fire occurs and applies power to the release unit 100 in the control unit 300 to be inserted into the release unit 100, So that the emergency door D can be opened in an emergency by a simple operation principle.

3 to 5, a release part 100 serving as a sunshade portion of the emergency door automatic opening system of the present invention will be described.

3 to 5, the release part 100 includes a case 110, a holder 120, a locking piece 130, a locker 140, a first torsion spring TS1, (TS2).

The case 110 is preferably made of a durable material which can embody the electrical parts and mechanical parts of the release part 100 and can be formed in various shapes and can withstand external impact or heat Do.

The insertion hole 110a is formed in one side of the case 110 so that the hook 210 can be inserted.

The holder 120 moves in conjunction with the operation of the solenoid N and is engaged / disengaged with the engaging piece 130 described later. The movement of the locker 140, which rotates in conjunction with the engaging piece 130, is restricted Function.

The holder 120 is rotatably coupled to the inner side surface of the case 110 around the first hinge axis H1 and has an unillustrated release pin 122, and a locking projection 124 is formed on one side of the outer peripheral surface.

The latch 130 may be integrally formed with the locker 140 and the second hinge axis H2 and may be integrally formed with the locker 140. The latch 130 may be formed as a separate member and coupled with the locker 140 State.

As described above, the latching piece 130 functions to maintain the rotation of the locker 140 while the latching / unlatching of the holder 120 is released.

That is, whether or not the hook 210 is inserted into the insertion port 110a or not is determined depending on whether the hook 130 is engaged or released.

A hooking groove 132 is formed on one side of the outer circumferential surface of the engaging piece 130 so that the engaging protrusion 124 can be selectively engaged.

The locker 140 is rotatably coupled to the inner surface of the case 110 through the engagement piece 130 and the second hinge axis H2 and is provided at one end thereof with hooks (142) is formed.

The first torsion spring TS1 is wound around the first hinge axis H1 so that both ends of the first torsion spring TS1 are held by the one side of the holder 120 and the inner circumferential surface of the case 110, The first and second hinge axes H2 and H2 are wound around the locker 140 and the case 110, respectively.

The control unit 300 of the emergency door automatic opening system of the present invention activates the release pin 122 by applying power to the solenoid N according to a fire generation signal sensed by the fire detection sensor S, (D) can be opened. The fire detection sensor (S) can detect whether a fire has occurred by detecting any one of heat detection and noxious gas detection.

The fire detection sensor S is not limited to the heat sensing and noxious gas sensing functions described above and can be variously modified.

In view of this, the emergency door automatic opening system of the present invention is provided with an emergency power supply unit 400 for supplying an emergency power source to the solenoid N in case of power failure, in view of the fact that the above-described solenoid N can not be operated when a fire occurs, ). ≪ / RTI >

3 to 5, the operation of the emergency door automatic opening system of the present invention will be described.

3, before the hook 210 is inserted through the insertion opening 110a, the engagement protrusion 124 of the holder 120 and the engagement groove 132 of the retaining piece 130 are maintained in the unlocked state do.

The first torsion spring TS1 maintains the compressed state because of the holder 120 interfered with the one side of the outer circumferential surface of the locker 140. The second torsion spring TS2 maintains the original state without deformation and the locker 140 Is also located at a certain angle from the insertion port 110a.

When the hook 210 is inserted into the insertion port 110a and the end of the hook 210 is in contact with a side surface of the locker 140 and the locker 140 is pushed, the locker 140 is rotated about the second hinge axis H2 It rotates counterclockwise.

4, when the locker 140 is continuously rotated in the counterclockwise direction, the hook 142 formed at the end of the locker 140 approaches the insertion port 110a and is fastened to the hook 210 .

The engaging piece 130 is also rotated with the rotation of the locker 140 so that the interference between the outer circumferential surface of the locker 140 and the outer circumferential surface of the holder 120 is released, The first torsion spring TS1 which has been kept in the compressed state is restored to its original state and the holder 120 rotates about the first hinge axis H1 so that the release pin 122 approaches the inner surface of the case 110 .

Further, the second torsion spring TS2 is compressed in accordance with the rotation of the locker 140. [

5, when the locker 140 and the retaining piece 130 are completely rotated and the retaining groove 132 of the retaining piece 130 is engaged with the retaining protrusion 124 of the holder 120, the locker 140 The hooked state between the hook 142 and the hook 210 is maintained and the locked state is maintained.

When the fire is generated, as the release pin 122 moves through the solenoid N, the engagement between the engagement projection 124 of the holder 120 and the engagement groove 132 of the engagement piece 130 is released, The second torsion spring TS2 in the compressed state is restored to the original state and the locker 140 is rotated to release the hook coupling between the hook 142 and the hook 210. When the hook 210 is freely dropped The emergency door D is switched to the openable state.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

D: Emergency door S: Fire detection sensor
H1: first hinge axis H2: second hinge axis
N: Solenoid TS1: First torsion spring
TS2: second torsion spring C: ceiling wall surface
100: release part 110: case
110a: insertion port 120: holder
122: release pin 124:
130: latching piece 132: latching groove
140: Rocker 142: Hook
200: lock portion 210:
300: control unit 400: emergency power supply unit

Claims (5)

A release portion fixedly coupled to the ceiling wall surface adjacent to the emergency door;
A lock part which is foldably coupled to the emergency door and has a hook formed on one side thereof to be inserted and fixed to the release part when the emergency door is closed and to be freely dropped and released from the release part when the emergency door is opened;
Fire detection sensor; And
And a controller for receiving the fire occurrence information sensed by the fire detection sensor and applying power to the release unit to release the hooks inserted and fixed to the release unit.
The method according to claim 1,
The releasing portion
A case having an insertion port for allowing the hook to be inserted into one side thereof;
A holder rotatably coupled to the inner surface of the case at a first hinge axis and having an engaging projection formed at one end thereof with a releasing pin coupled to the solenoid and rotating along a predetermined section;
And a latching groove formed on one side of the outer circumferential surface so as to be selectively engaged with the latching protrusion;
A locker rotatably coupled to the inner surface of the case through the latching piece and the second hinge shaft and having a hook formed at one end thereof so as to be hooked on the hook inserted into the insertion port;
A first torsion spring that is wound around the first hinge shaft and has both ends held in engagement with the one side surface of the holder and the inner circumferential surface of the case;
And a second torsion spring which is wound on the second hinge shaft and has both ends thereof held in engagement with the locker-side surface and the inner surface of the case.
The method of claim 2,
Wherein the control unit activates the release pin by applying power to the solenoid according to a fire occurrence signal sensed by the fire detection sensor.
The method of claim 2,
Wherein the fire sensor detects any one of heat sensing and noxious gas sensing to detect the occurrence of a fire.
The method of claim 2,
Further comprising an emergency power supply for supplying emergency power to the solenoid during a power outage.

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