KR100671482B1 - Door lock - Google Patents

Abstract

An automatic emergency door lock is provided to improve reliability and economical efficiency by integrating a motor gear box of a mortise and an electronic circuit controlling the motor gear box and to control a door regardless of the existence of a manager. An automatic emergency door lock includes: inner and outer handles combined to both sides of a door; a mortise installed between the inner and outer handles and opened and closed by a dead bolt(108); a driving unit(110), a key hole gear(120), and a rotator gear(130) arranged in a body(101) of the mortise to control the operation of the dead bolt; and a sensor PCB(Printed Circuit Board,160) equipped with a microcomputer(170) and a bidirectional RF(Radio Frequency) module(180) and attached to a cover plate(150) formed at the lateral side of the mortise body. The driving unit connected to the sensor PCB through a sensor wire(164) controls the dead bolt and comprises a motor, a drive gear driven by the motor, and a decelerator.

Description

Emergency automatic door lock {Door Lock}

1 is an assembly view of a typical cylindrical door lock.

2 is a configuration diagram of the mortis and the outer handle and the inner handle of Figure 1;

3 is a perspective view of the mortis of the emergency automatic door lock according to the present invention.

4 is a diagram showing the internal configuration of the mortis according to the present invention.

5 is a view showing the internal configuration of the mortise in the dead bolt release state according to the present invention.

6 is a detailed view of a gearbox according to the present invention.

7 is a block diagram of an emergency automatic door lock according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: Motis 101: Body

110: drive unit 111: motor

112: drive gear 113: reducer

120: keyhole gear 121: latch link

122: latch arm 130: rotator gear

131: Rotator 140: Magnet

150: cover plate 160: sensor PCB

161: locking sensor 162: opening sensor

163: closing sensor 164: sensor wiring

170: microcomputer 180: bidirectional RF module

181: antenna 182: interface

190: rechargeable battery

The present invention relates to an emergency automatic door lock, and more particularly to an emergency automatic door lock installed in the emergency exit stairs.

Currently, most buildings are equipped with emergency exits. The building manager normally locks the doors of emergency exits with an emergency key for the purpose of controlling the entry of unnecessary people. The emergency exits must be opened at all times for easy escape of human life in an emergency. Locking most of them is a common trend.

1 and 2 show the assembly and exploded view of a general cylindrical door lock, the cylindrical door lock is an outer handle 220 which is opened and closed by a key 224 on the outside of the door, and the inner handle is opened and closed by a manual handle 232 inside the door. 230 and the mortise 210 is installed between the inner and outer handle (230,220).

The mortise 210 has a keyhole 212, a pinhole 213, and a fixing hole 214 formed in the main body 211, and latch bolts 217 and dead bolts in a vertical plane of the face plate 216 provided on one side thereof. 218 is provided, and the length (d) of the distance between the keyhole 212 and the face plate 216 is 70 mm, and is defined in the KS B 6411 standard.

The outer handle 220 is installed outside the mortis 210, the key pin 221 and the latch rotation latch 222 in the key hole 212 and the pin hole 213 and the fixing hole 214 on one surface of the mortis 210. ) And the handle fixing plate 223 is inserted, the inner handle 230 is installed inside the mortis 210, the latch rotation latch 231 is inserted into the pinhole 213 of the other surface of the mortis 210, The key pin 221 of the outer handle 220 inserted from the outside is fixed to the manual handle 232.

However, if the door of the emergency exit provided with the door lock of the above configuration is locked, in case of emergency, if the administrator does not open the door with the emergency key, the escape inside the building will not be able to open the door, causing a great loss of life. .

In order to solve the problems as described above, the present invention is a structure that is compatible with the entrance and installation position of the KS standard and the fixing hole and key hole, etc. It is convenient to mount on a new or existing door, and the motor gear box in the Mortis and Emergency and automatic door lock that minimizes human injury by managing electronic doors regardless of the presence or absence of administrators by improving the reliability and economic efficiency by integrating with electronic circuits to control and automatically opening the door by the open signal received from the fire detector in the event of a fire. The purpose is to provide.

In the structure to achieve the purpose,

A sensor PCB having a microcomputer and a bidirectional RF module is attached to a cover plate on the side of the Mortis body, and a gear box connected to the sensor PCB and the sensor wiring is a motor and a drive gear driven by the motor to control the dead bolt. It consists of.

As another feature of the present invention, the sensor PCB is a locking sensor, the opening sensor and the closing sensor is mounted on the substrate, the locking sensor detects the closed state of the door and transmits it to the microcomputer, the opening sensor is a motor by the microcomputer When the dead bolt reaches the open position when the dead bolt reaches the open position, the magnet mounted on the dead bolt is sensed and transmits a signal to the microcomputer, so that the microcomputer stops the rotation of the motor. Reaches the closed position, detects the magnet mounted on the dead bolt and transmits a signal to the microcomputer to stop the rotation of the motor.

As another feature of the invention, the dead bolt is provided with a magnet to detect the position of the dead bolt.

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As another feature of the present invention, the outside of the mortis is provided with a voice guidance device, indicator guide light indicator and keypad input unit to identify the door position when the door lock is unlocked by a signal such as an emergency signal or a remote control.

As another feature of the present invention, the mortise main body is further provided with a rechargeable battery is provided to enable the opening and closing of the door by supplying power to the sensor PCB when the power supplied from the outside is cut off.

3 is a perspective view of the mortis of the emergency automatic door lock according to the present invention, Figure 4 is a diagram showing the internal configuration of the mortis according to the present invention, Figure 5 is a diagram showing the internal configuration of the mortis of the dead bolt release state, Figure 6 Is a detailed view of the gearbox according to the invention, Figure 7 is a block diagram of an emergency automatic door lock according to the invention.

Hereinafter, the components will be described with reference to the drawings.

3 is a perspective view of the mortis of the emergency automatic door lock of the present invention, the inner and outer handles are coupled to both sides of the door, and between the inner and outer handles is provided with a mortise 100 that is opened and closed by a dead bolt 108, the mortis The pinhole 103 and the fixing hole 104 pass through the other surface from one surface of the main body 101 of the main body 101, and the dead bolt 108 protrudes from the vertical surface of the face plate 106 provided on one side thereof.

4 is an internal configuration diagram of the mortise 100, the cover plate 150 attached to the side of the main body 100 of the mortise (100), the sensor PCB is provided with a microcomputer 170 and the bi-directional RF module 180 ( 160 is attached, the drive unit 110 inside the main body 101 is connected to the sensor PCB 160 and the sensor wiring 164 to the motor 111 and the motor 111, as shown in FIG. It is composed of a drive gear 112 and a reduction gear 113 to be driven.

The sensor PCB 160 has a locking sensor 161, the opening sensor 162 and the closing sensor 163 is mounted on the substrate, the locking sensor 161 detects the closed state of the door to the microcomputer 170 The opening sensor 162 detects the magnet 140 mounted on the dead bolt 108 when the motor 111 rotates forward by the microcomputer 170 and the dead bolt 108 reaches the open position. The microcomputer 170 stops the rotation of the motor 111 by transmitting a signal to the 170, and the closing sensor 163 rotates the motor 111 by the microcomputer 170 to reverse the dead bolt 108. Reaches the closed position, detects the magnet 140 mounted on the dead bolt 108 and transmits a signal to the microcomputer 170, the microcomputer 170 stops the rotation of the motor 111, the bidirectional RF module 180 includes an antenna 181 and an interface 182 for receiving an input signal from the outside, the cover plate 150 It forms a pin hole 103 and the fixing hole 104. The

One side of the keyhole gear 120 is engaged with the driving gear 112 inside the main body 101 provided with the driving unit 110, and the other side of the keyhole gear 120 includes a rotator gear 130 having a rotator 131. ) And rotate.

The rotator 131 is inserted into the inner body of the dead bolt 108 to control the opening and closing of the dead bolt 108, the dead bolt 108 is provided with a magnet 140 in the dead bolt 108 The location will be detected.

A latch rotation groove 102 is formed at the center of the keyhole gear 120, a latch arm 122 is connected to a lower portion of the latch link 121 including the keyhole gear 120 therein, and the keyhole gear The fixing hole 104 is formed on the left and right sides.

The interface 182 located between the sensor PCB 160 and the driver 110 receives an external control input signal to operate the dead bolt 108, transmits a current state to the outside, and externally the mortise 100. The door is provided with a voice guide device, an indicator light indicator and a keypad input unit to identify the door position when the door lock is released by an emergency signal or a remote control signal.

One side of the main body 101 of the mortise 100 is further provided with a rechargeable battery 190, and the power supplied to the rechargeable battery 190 is supplied a predetermined number of times even when the external power is cut off while being operated from an externally supplied power. Ensure the operation of the door so that the door lock can be operated at all times in an emergency.

4 illustrates a locked state of the dead bolt 108, and FIG. 5 illustrates an open state of the dead bolt 108. The emergency automatic door lock control method of the present invention will be described with reference to the block diagram of FIG. As follows.

First, when a control command from the outside is wirelessly transmitted using an emergency remote control according to a fire occurrence, the control command is received by the antenna 181 and transmitted to the microcomputer 170 via the bidirectional RF module 180. The signal transmitted to the microcomputer 170 is transmitted to the driving unit 110 to drive the motor 111 to rotate the drive gear 112, the keyhole gear 120, and the rotator gear 130 in order to rotate the rotator gear 130. By operating the rotator 131 in one direction, the dead bolt 108 is released.

At this time, the interface 182 of the bidirectional RF module 180 allows and prohibits the operation according to the opening and closing of the dead bolt 108 by the various information and the emergency signal of the microcomputer 170, the power supply terminal and the current The operation state is notified to the outside, and the motor 111 is rotated forward or reverse to allow the dead bolt 108 to reach the position of the open, close sensor (162, 163) of the sensor PCB 160, the sensor PCB 160 is locked by the locking sensor 161.

In the present invention, since the latch bolt 107 is removed and only the dead bolt 108 is configured, the motor 111 is driven by the control of the microcomputer 170 through a wired interface or an RF module such as a fire or disaster alarm. When the dead bolt 108 is released, the door is opened only by pushing the door without turning the handle, so that a quick evacuation is possible in an emergency such as a fire.

In addition, when the door lock is unlocked by the emergency signal or the remote control signal, the position of the door is guided by the microcomputer 170 and the guidance light indicator display unit of the LED provided on the outside of the Mortis 100 and the voice guidance unit of the speaker. It can easily identify and induce rapid evacuation to reduce human injury, and the user can directly open the door by the keypad input unit.

Although the latch bolt 107 is used in a state in which the present invention is removed, the latch bolt 107 may be combined and mounted on an existing door as shown in the virtual lines of FIGS. 4 and 5.

As described above, the present invention is convenient to be mounted on a new or existing door with a structure that is compatible with the entrance and installation position of the KS standard and the fixing hole and key hole, and the motor gear box in the Mortis and the electronic circuit for controlling the same. Integrate and improve the reliability and economics, and by automatically opening the door by the open signal received from the fire detector in the event of a fire can manage the door regardless of the presence or absence of the administrator has the effect of minimizing human injury.

Claims (6)

The inner and outer handles are coupled to both sides of the door, and the mortise 100 is opened and closed by the dead bolt 108 between the inner and outer handles, and the dead bolts are formed inside the main body 101 of the mortise 100. In the door lock having a driving unit 110, a keyhole gear 120 and the rotator gear 130 to control the operation of 108, The sensor PCB 160 having the microcomputer 170 and the bidirectional RF module 180 is attached to the cover plate 150 of the side of the mortis 100 main body 101, and the sensor PCB 160 and the sensor wiring ( The driving unit 110 connected to the 164 is an emergency comprising a motor 111, a drive gear 112 and a reducer 113 driven by the motor 111 to control the dead bolt 108. Automatic door lock. The method of claim 1, The sensor PCB 160 is a locking sensor 161, the opening sensor 162 and the closing sensor 163 is mounted on the substrate, the locking sensor 161 detects the closed state of the door to the microcomputer 170 The opening sensor 162 detects the magnet 140 mounted on the dead bolt 108 when the motor 111 rotates forward by the microcomputer 170 and the dead bolt 108 reaches the open position. The microcomputer 170 stops the rotation of the motor 111 by transmitting a signal to the 170, and the closing sensor 163 rotates the motor 111 by the microcomputer 170 to reverse the dead bolt 108. Reaches the closed position, detects the magnet 140 mounted on the dead bolt 108 and transmits a signal to the microcomputer 170, the microcomputer 170 stops the rotation of the motor 111, characterized in that the emergency Automatic door lock. The method of claim 1, The dead bolt 108 has a magnet 140 inside the emergency automatic door lock, characterized in that for detecting the position of the dead bolt (108). delete The method of claim 1, The exterior of the Mortis 100, automatic emergency door lock, characterized in that it is provided with a voice guidance device and indicator light indicator and keypad input unit to identify the door position when the door lock is unlocked by an emergency signal or a remote control signal. The method of claim 1, The mortise 100 main body 101 is further provided with a rechargeable battery 190 to supply power to the sensor PCB 160 when the power is supplied from the outside when the emergency automatic, characterized in that the door is provided to enable opening and closing door lock.

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