KR20180012422A - Inner door auto device and system - Google Patents

Abstract

Disclosed is an emergency door automatic opening system switching a state of an emergency door into an openable state in a free-fall way. The emergency door automatic opening system of the present invention comprises: a release portion fixedly coupled to a ceiling wall surface adjacent to the emergency door; a lock portion foldably coupled to the emergency door and formed with a protruded hook which is inserted and fixed to the release portion when the emergency door is closed and is released from the release portion when the emergency door is opened by being free-fallen from the release portion; a fire detection sensor; and a control portion for receiving fire occurrence information detected from the fire detection sensor, applying power to the release portion, and releasing the hook inserted and fixed to the release portion from the release portion.

Description

{Inner door auto device and system}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an emergency door automatic opening system, and more particularly,

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In general, buildings with multi-use facilities such as clubs, pubs, buildings, theaters, theaters,

Emergency doors are provided for emergency evacuation in dangerous situations such as fire or gas leakage.

[0003] Generally, since emergency doors are rarely used in everyday use, there is a risk of intrusion from outside or theft,

In order to prevent accidents, it is managed in a locked state, so that it can be manually opened and closed by using a separate locking device

It is the present situation that it is becoming.

[0004] Recently, as the use of radiators increases, the risk of fire increases, and the expansion of clubs, pubs, buildings, theaters,

As a result, the importance of emergency inquiries is increasing in the event of an emergency such as a fire.

As described above, by keeping the emergency door closed as described above, it is possible to prevent a large-scale personal accident

This is a concern, and it is necessary to prepare a fundamental countermeasure.

[0005] As part of the preparation of such measures, according to the current Fire Service Act, an emergency door which can be evacuated in case of fire is opened,

The Enforcement Decree of the Act also stipulates that emergency doors should be opened at all times when a square is installed on the roof.

[0006] Also, when a 24-hour administrator is present, it is possible to manage the door to be opened in an emergency,

, The key of the door on the roof is paid in advance to each household so that direct opening can be managed in case of emergency.

[0007] However, in a majority of apartments, there is a risk that the youth may be abused as a derailment place,

Because of the high risk of safety accidents such as suicide and falling, lock the rooftop door or fill it with a lock

It is a fact that we propose.

[0008] As a result, when a fire or other emergency occurs, the manager who manages the fire will lock the emergency door

It was common to suffer unexpected accidents because I could not open the teeth.

[0009] Recently, in order to secure the evacuation space and to solve the inconvenience of residents,

There is a need for a roof opening / closing device and an automatic opening facility connected to a fire detection sensor,

In addition to apartments, clubs, pubs, buildings, theaters, theaters and other multi-use establishments raised the need to install such facilities

.

On the other hand, as described above, normally, the emergency exit port must remain openable due to the possibility of fire,

And security problems, there is always a limit to keeping the exits open.

[0011] Generally, an emergency door is locked in a building in which a branch or the like is located,

If it is proved to be impossible, this shall be subject to a penalty charge.

[0012] An automatic door opening and closing apparatus for an emergency door has been introduced to solve these problems.

[0013] An automatic door opening / closing device for an emergency door is related to an opening / closing device installed in an emergency door,

Means an apparatus that automatically opens and closes an exit by the operation signal.

[0014] In the automatic door opening / closing apparatus of the emergency door, the emergency door is kept closed by supplying current in the normal state,

, It is operated by the principle of automatically opening the doors of the emergency exit by interrupting the supply of the current through the controller.

Hereinafter, some of the 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.

[0017] The 'emergency door automatic opening / closing device' is installed inside or outside a building to detect a fire or an emergency and convert it into an electric signal

A fire sensor for modulating an electric signal into a wire / wireless detection signal and transmitting the electric signal,

It is installed in the door frame and operates the emergency door in locked state or open state by external power source,

A door opening / closing device for generating and transmitting a gold or open state as a wired or wireless signal,

The power supply to the door opening / closing apparatus is cut off by receiving the ground signal or by inputting the password,

The automatic open / close controller that controls and the automatic open / close controller installed in many emergency doors can be integrated and managed by wired / wireless connection

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Accordingly, the plurality of emergency doors are interlocked with the fire detection means to automatically open when a fire is detected,

It is possible to control the door opening and closing device by remote communication and to open or close the door opening /

Provide highly reliable products for emergency door openings and prompt action in case of emergencies.

There is an advantage that damage can be reduced.

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

[0020] The 'emergency door automatic opening and closing device' is a device for automatically opening / closing the emergency door, particularly a condenser for charging a DC voltage,

An electrostatic relay switch for supplying a voltage to the switchgear driving voltage provided in the emergency door,

A fire relay switch that is turned on when a signal is input to supply a voltage output from the capacitor to the switch driving voltage,

The voltage supplied from the electrostatic relay switch and the fire relay switch is supplied to the switch to be locked or unlocked

Is composed of an output switch.

[0021] As a result, it is possible to provide an emergency door that is simple in structure and installed on a roof of a building or on the roof of an apartment when a power failure occurs or a fire occurs

Automatically unlocked to allow people to evacuate quickly through an emergency gate and, when in a steady state,

The top gate is in a locked state so that the roof can not be used as a venue for suicide and derailment of juveniles,

To provide a simple-configuration product with a switch of the switch, thereby lowering the production cost and improving the reliability of the operation of the product

There is an advantage to be able to do.

[0022] However, in the above-described related arts, all of the emergency exits

There is a problem in that a detailed configuration of a separate bar opening / closing device that operates laterally when power is supplied must be provided

All.

That is, in addition to an electrical configuration for applying power for opening the emergency exit, a separate machine

The electrical configuration is different, and it is impossible to open the emergency exit if the mechanical configuration fails.

There are disadvantages.

[0024] The foregoing description of the background art is only for the purpose of promoting an understanding of the background of the present invention,

The present invention is not to be construed as an admission that it is a prior art known to a person skilled in the art.

In order to solve such a conventional problem, the present invention uses a hinge principle to maintain a lock state in a normal state

When a fire occurs, the door is unlocked by a free fall method, and the emergency door is automatically opened

The purpose of the system is to provide.

In order to achieve the above object, an emergency door automatic opening system according to the present invention is characterized in that the door is fixed to a ceiling wall adjacent to an emergency door

Coupled release; Wherein the emergency door is foldably coupled to the emergency door, and when the emergency door is closed,

When the emergency door is opened, a hook which is freely dropped from the releasing portion to be inserted and released is formed

A lock portion; Fire detection sensor; And a controller for receiving the fire occurrence information sensed by the fire detection sensor,

And a control unit for applying a circular motion and inserting the hooks inserted and fixed into the release unit.

[0028] The releasing portion may include a case having an insertion port for inserting the hook in one side thereof; The first case

And is rotatably coupled to the hinge shaft. At one end thereof, a current is applied from the solenoid,

A holder having a releasing pin coupled thereto and having a locking protrusion formed on one side of the outer circumferential surface thereof; And selectively engageable with the locking projection

A latching member having a latching groove formed at one side thereof; And the engaging piece and the second hinge shaft

A locker rotatably coupled at one end thereof with a hook to be hooked on the hook inserted into the insertion hole; remind

A first torsion coil wound around a first hinge axis and having both ends held in engagement with the one side surface of the holder and the inner circumferential surface of the case,

Pring; Is wound around the second hinge shaft, and both ends of the second hinge shaft are held by the side surface of the locker and the inner surface of the case

Includes a second torsion spring.

[0029] The controller may apply power to the solenoid according to a fire generation signal sensed by the fire sensor,

And the release pin is operated.

[0030] The fire detection sensor detects whether a fire occurs by detecting any one of heat detection and noxious gas detection

.

[0031] The apparatus may further include an emergency power supply unit for supplying an emergency power to the solenoid during a power failure.

With the above-described technical configuration, the present invention is capable of releasing the lock state of an emergency door in an emergency by a simple operation and a simple principle

In addition, in case of a power failure, by using an emergency power supply unit to switch the emergency door to the openable state,

There is an advantage to be able to prepare for an emergency such as.

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 according to the present invention is characterized in that the ceiling wall surface (C) adjacent to the emergency door (D)

(D), and is provided on one side thereof with a release part (100) which is fixedly coupled to the emergency door (D)

When the emergency door D is opened, the hook 210, which is freely dropped from the releasing part 100 and is inserted and released,

The fire detection sensor S, and the fire occurrence information detected from the fire detection sensor S,

A control unit 300 for releasing the hook 210 inserted and fixed to the release unit 100 by applying power to the lease unit 100,

.

Whether or not the above-described power supply is applied may be reversed.

[0037] The power source uses DC 24V, and the power source is supplied from an earth alarm, a main alarm or a visual alarm.

That is, the power source is normally applied to maintain the locked state while the power source is stopped in an emergency,

Free fall, which may be applied at the designer's or user's option.

According to the present invention, the control unit 300 receives the fire information sensed by the fire detection sensor S in the event of a fire,

Power is applied to the riser part 100 to insert the hook 210 which is inserted into the release part 100 and kept in the locked state,

The emergency state D is released by the simple operation principle.

have.

3 to 5, a release unit 100, which is a sun block 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 latch piece 130, a locker 140, a first

A torsion spring TS1, and a second torsion spring TS2.

The case 110 has a built-in electrical component and a mechanical component of the release part 100 and can be formed in various shapes.

It is preferable to use a durable material which can withstand the impact or heat of the parts sufficiently.

The case 110 is formed at one side thereof with an insertion port 110a for inserting the hook 210 therein.

The holder 120 moves in conjunction with the operation of the solenoid N and is engaged / disengaged with the engaging piece 130 to be described later.

And functions to limit the movement of the rocker 140, which rotates in conjunction with the piece 130.

The holder 120 is rotatably coupled to the inner side surface of the case 110 about the first hinge axis H1,

And a release pin 122 for receiving a current from the coil N and rotating along a predetermined section is coupled,

The substrate 124 is formed.

The locking piece 130 pivots around the second hinge axis H2 and the locker 140 to be described later and may be formed integrally with the locker 140. [

Or may be manufactured separately and used in combination with the locker 140.

As described above, the retaining piece 130 has a function of retaining the rotation of the locker 140 while the retainer 120 is engaged / disengaged

do.

That is, depending on whether the latching piece 130 is engaged or released, the hooking portion 210 is inserted into the insertion port 110a,

Is determined.

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 side surface of the case 110 through the engagement piece 130 and the second hinge axis H2,

A hook 142 is formed so as to be hooked on the hook 210 inserted into the insertion hole.

The first torsion spring TS1 is wound on the first hinge axis H1 so that both ends of the first torsion spring TS1 are fixed to one side of the holder 120 and the inner circumferential surface of the case 110

And the second torsion spring TS2 is wound on the second hinge axis H2 so that both ends of the second torsion spring TS2 are engaged with the side surface of the locker 140

And retains the state of being caught in the side surface of the spool 110.

The control unit 300 of the emergency door automatic opening system of the present invention controls the automatic door open system according to the fire detection signal detected by the fire detection sensor S,

Power is applied to the nod N to operate the release pin 122 to switch the emergency door D to an openable state

Possible bar and fire detection sensor (S) can detect whether fire occurs by sensing either heat detection or noxious gas detection

have.

If it is possible to detect whether or not a fire has occurred, the fire detection sensor S is limited to the above-described heat sensing and noxious gas sensing functions

And various changes can be applied.

In addition, if a power outage occurs in the event of a fire, the above-described solenoid N can not be operated. Accordingly,

The automatic door opening system further includes an emergency power supply 400 for supplying emergency power to the solenoid N in the event of a power failure

desirable.

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

As shown in FIG. 3, before the hook 210 is inserted through the insertion opening 110a,

The retaining groove 132 of the retaining piece 130 maintains the unlocked state.

The first torsion spring TS1 maintains the compressed state due to the holder 120 interfering with one side of the outer circumferential surface of the locker 140,

The torsion spring TS2 maintains the original state without deformation and the hook 142 of the locker 140 is also separated from the insertion port 110a at a certain angle

It is located in an unusual place.

In this state, the hook 210 is inserted into the insertion port 110a and the end of the hook 210 is in contact with one side of the locker 140, and the locker 140 is pushed

The locker 140 rotates counterclockwise about the second hinge axis H2.

4, when the locker 140 is continuously rotated in the counterclockwise direction, the hook 140 formed at the end of the locker 140

(142) approaches the insertion port (110a) and is fastened to the hook (210).

The locking piece 130 also rotates 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 maintained a compressed state between the holder 120 and the inner surface of the case 110, is restored to its original state

The holder 120 rotates about the first hinge axis H1 so that the release pin 122 comes close to the inner surface of the case 110. [

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

As shown in FIG. 5, the locker 140 and the engaging piece 130 are completely rotated so that the engaging protrusion 124 of the holder 120

When the hooking groove 132 of the hook 130 is engaged with the hook 142 of the locker 140,

The lock state is maintained.

On the other hand, when a fire occurs, as the release pin 122 moves through the solenoid N, the engagement protrusion 124 of the holder 120,

The engagement between the engagement grooves 132 of the piece 130 is released, and the second torsion spring TS2 in the compressed state is restored to the original state

The locker 140 is rotated and the hook coupling between the hook 142 and the hook 210 is released so that the hook 210 is freely dropped

The emergency door D is switched to the openable state.

While the invention has been shown and described with respect to the specific embodiments thereof, it will be understood by those of ordinary skill in the art that the present invention,

It will be understood by those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention.

It will be obvious to those who have knowledge of the above.

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;
The emergency door is foldably coupled to the emergency door. The emergency door is inserted and fixed to the release portion when the emergency door is closed,
A locking portion protruding from the releasing portion when the door is opened, the door releasing from the releasing portion and being inserted and released;
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,
And a control unit for releasing the insertion of the fixed hook. 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 first hinge shaft rotatably coupled to an inner surface of the case and rotatably coupled to the first hinge shaft,
A holder coupled to an unlocking pin that rotates along a predetermined interval and has a locking protrusion formed on one side of the outer circumference;
And a latching groove formed on one side of the outer circumferential surface so as to be selectively engaged with the latching protrusion;
And is rotatably coupled to the inner surface of the case via the engagement piece and the second hinge shaft,
A locker having a hook for engaging with the inserted hook;
The first hinge shaft being wound around the first hinge shaft and having both ends thereof held in engagement with the one side surface of the holder and the inner circumferential surface of the case,
Torsion spring;
And a second hinge shaft which is wound around the second hinge shaft and has both ends thereof held by the one side of the locker and the inner side of the case,
An emergency door automatic opening system, including a torsion spring. The method of claim 2,
Wherein the control unit applies power to the solenoid according to a fire generation signal sensed by the fire sensor,
And the release pin is actuated. The method of claim 2,
The fire detection sensor detects any one of heat detection and noxious gas detection to detect whether a fire has occurred or not
The emergency door automatic opening system. 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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