KR20070029533A - An automatic switchgear for a fire and crime prevention door - Google Patents

Abstract

An automatic opening and closing apparatus for security and fireproof door is provided to effectively improve prevention of smoke and security by installing a latch gear and solenoid to operate a latch to fixate the door from opening. An automatic opening and closing apparatus for security and fireproof door comprises a door closer(10) installed on the upper side of the door; an operating lever(15) is rotationally combined to the fixed axle(11) of the door closer; a supporting flap and an arm are rotationally combined to a door frame; and the arm and operating arm are combined in a link method. A central control room contains a warning generator member connected to a control member, the control member is connected to a transmitting and receiving member, and the transmitting and receiving member is connected to an opening and closing apparatus. The opening and closing apparatus contains a latch gear(12) inserted to the fixed axle of the door closer, a latch(13) movably installed a predetermined distance from the latch gear and moved forward and backward by a solenoid(14), and the solenoid is connected to and operated by the control member of the central control room. A charge coupled device(CCD) camera is installed in an proximal distance from the security and fire protection door, and is connected to the automatic opening and closing apparatus and to the central control room.

Description

An automatic switchgear for a fire and crime prevention door

1 is a plan view schematically showing a conventional fire door opening and closing device.

Figure 2 is an exploded perspective view showing a security door automatic opening and closing device according to the invention.

Figure 3 is a side view showing a security door automatic opening and closing device according to the invention.

Figure 4 is a plan view showing a state of use of the security door automatic opening and closing device according to the invention.

Figure 5 is a plan view showing another embodiment of the security door automatic opening and closing device according to the invention.

Figure 6 is a schematic diagram showing another embodiment of the security door automatic opening and closing device according to the invention.

Figure 7 is an operation configuration of the security door automatic opening and closing device according to the invention.

 <Description of Symbols for Main Parts of Drawings>

2: door 3: door frame

10 door closer 11 fixed shaft

12: Ratchet Gear 13: Ratchet

14: solenoid 15: operation bar

16: support 17: cancer

20: limit switch 21: alarm

30: central management office 31: transceiver

32: control unit 33: alarm generating unit

34: display unit 40: sensor unit

41: transmitter 42: heat detector

43: smoke detector 50: switchgear

51 receiver 52 solenoid control unit

53: solenoid 60: CCD camera

70: manual switch

The present invention relates to an automatic door for security fire prevention door, and more particularly to prevent the fire door is installed in the locked state by using the opening and closing device driven by the solenoid to block the smoke flow into the smoke control area when the fire occurs. The present invention relates to an automatic fire prevention door automatic opening and closing device which enables the central control room to be automatically closed and monitors the door opening and closing at the central management room.

In addition, the present invention can be fixed so as not to open or closed by an external force in the closed or open state of the fire door, to provide convenience for use of the fire door, and to have a security function for anti-theft and security guard.

In general, the building is equipped with a variety of fire extinguishing equipment for extinguishing fire, and the smoke control area is set to block the inflow of smoke generated in the event of fire.

In the event of a fire, fire doors are installed in the smoke control area to minimize the damage caused by the smoke. The fire doors are always kept closed or automatically closed by the generation of smoke or temperature rise due to the fire.

In order to keep the door closed all the time, it is necessary to lock the door, which causes a lot of inconvenience for users who normally use the door.

The door closer is installed and used in the fire door as a device for solving the inconvenience caused by the use of the existing fire door. The door closer detects the smoke generated by the fire or the temperature rises rapidly. It is configured to close, and is currently widely known and used in various forms and manners.

Meanwhile, in the conventional fire door, as shown in FIG. 1, the door closer 120 is installed on one side of the door 110, and the operation bar 122 is fixed to the fixed shaft 121 of the door closer 120. ) Is pivotally coupled, the operation bar 122 is connected to the arm 123 in a link method, the arm 123 is configured to be connected in a link method with the support piece 125 coupled to the door frame 124. .

Therefore, the door 110 is fixed to the door frame 124 by one end is rotated by the hinge portion 111 is opened and closed, and in the process of opening and closing the door 110, the door closer 120 is installed ) Is automatically closed.

However, the conventional fire doors as described above provide a user's convenience due to automatic closing when the door closer is normally used, but in case of an emergency due to a fire, the fire door should be kept closed so that smoke does not flow into the smoke control area. In addition, the fire door automatically closed by the door closer has an external force, i.e., when the user opens the fire door by hand, the fire door is easily opened to lose the smoke control function.

In addition, in order to prevent the fire door to be opened by closing the fire door in case of an emergency such as a fire, the fire door must be closed manually by hand, so that the work is very troublesome, difficult, and inefficient.

When the fire doors were installed at the entrance and used as security fire doors, a device that could be controlled by the central management office was needed.

The present invention is to solve the conventional problems as described above, the purpose is to install a fire door to block the smoke entering the smoke-producing area when the fire occurs, in the state that the fire door is closed due to the fire, ratchet gear and solenoid New type of crime prevention to ensure the safety in the ventilation area by ensuring that the fire door is blocked by the ratchet operated by the ratchet operated in the closed state to prevent the smoke entering the ventilation area in case of fire. It is to provide a door opening and closing device for fire doors.

In addition, by installing a CCD camera near the closed security fire door, press the manual switch installed to open the security door arbitrarily and operate it to record for a certain time from the control unit of the central management room. If it is installed, the entrance password is incorrectly entered, the signal goes to the central management room to operate the CCD camera to record for a certain time has the purpose to provide a security door automatic opening and closing device to enable the security function.

The present invention, in order to achieve the above object, the door closer is installed on one side of the door, the operation shaft is rotatably coupled to the fixed shaft of the door closer, the support piece and the arm coupled to the door frame is rotatable Combined, the operation bar and the arm is configured to be connected in a link-proof security door automatic opening and closing device, the transmission and reception unit connected to the switchgear installed on the security fire door and the control unit connected to the transceiver, the alarm generating unit and the display connected to the control unit Central Management Office is composed; The ratchet gear is coupled to the fixed shaft of the door closer, and the ratchet is configured to be moved forward and backward by a solenoid at a position spaced a predetermined distance to one side of the ratchet gear, and the solenoid is connected to a control unit of the central management room and operates. ; CCD camera is installed adjacent to the security fire door, and connected to the switchgear and the central management room; characterized in that consisting of, connecting the manual switch to the switchgear, and connecting the manual switch to the control unit through the transceiver of the central management room The control unit controls the operation of the manual switch, and the control unit is composed of a heat detector and a smoke detector.The signals of the heat detector and the smoke detector are connected to the central control room and the CCD camera through the transmitter to be detected by the sensor unit in case of fire. The CCD camera is operated by the signal, and the screen shot is aired on the display unit of the central management room, and the ratchet gear is coupled to the fixed shaft of the anti-theft fire door automatic door opener and the door closer, and to one side of the ratchet gear. The ratchet is configured to be moved forward and backward by the solenoid at a predetermined distance from the solenoid. It is provided with a limit switch for detecting the movement and impact of the ratchet gear fixed to the ratchet which is moved forward by the move, and the alarm is connected to the limit switch in an electrical signal system to generate an alarm sound Provide automatic door opening and closing.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

As shown in Figures 2 to 4, according to the invention security door automatic opening and closing device ratchet gear 12 is coupled to the fixed shaft 11 of the door closer 10, the ratchet gear 12 The ratchet 13 is configured to be moved forward and backward by the solenoid 14 at a position spaced a predetermined distance to one side.

At this time, the door closer 10 is installed on the upper side of one side of the door 2, the operation bar 15 is rotatably coupled to the fixed shaft 11 configured to be perpendicular to the central portion, the door frame 3 Arm 17 is rotatably coupled to the support piece 16 to be coupled, the operation bar 15 and the arm 17 is configured to be connected in a link manner.

The solenoid 14 according to the present invention is a rod 14 is moved forward and backward by the power supply, the power supply for the solenoid 14 operation is to use a conventional storage battery or a battery, the solenoid 14 The method for operating the remote control method using a switch method or a wired method may be used, which is a well-known technique commonly used in an electrical signal method, and thus, the drawings and detailed description thereof will be omitted.

Figure 2 is an exploded perspective view showing a security fire prevention door automatic opening and closing device according to the present invention, Figure 3 is a side view showing a security fire prevention door automatic opening and closing device according to the present invention, a fixed shaft on one side upper portion of the door (2) A door closer 10 in which the 11 is formed vertically is installed, and the operation bar 15 is rotatably coupled to the fixed shaft 11, and the arm 16 has a support piece 16 coupled to the door frame 3. 17) is rotatably combined.

In addition, the operation bar 15 and the arm 17 is configured to be connected in a link method, the ratchet gear 12 is coupled to the fixed shaft 11 of the door closer 10, one side of the ratchet gear 12 The ratchet 13 is configured to be moved forward and backward by the solenoid 14 at a position spaced apart by a predetermined distance.

At this time, the ratchet 13, which is moved forward and backward by the solenoid 14, is engaged with the ratchet gear 12 during the forward movement and is fixed.

The shape of the ratchet gear 12 can be variously formed, and the shape of the ratchet 13 also changes according to the shape of the ratchet gear.

4 is a plan view showing a state of use of the automatic fire prevention door open and close according to the present invention, the door closer 10 is installed on one side, the operation of the arm 17 forming a hinge point on the door frame (3) Bar 15 is installed to be coupled in a link method, the operating bar 15 is coupled to the fixed shaft 11 of the door closer 10, the ratchet gear 12 is coupled to the fixed shaft 11, ratchet In the use of the fire door coupled with the ratchet 13 engaged with the gear 12 to move forward and backward by the solenoid 14, to close the fire door to block the flow of smoke into the smoke control area due to the fire Will be.

Security door of the present invention in the closed state by the door closer 10, the solenoid 14 is operated by the electrical signal sent from the central control room, the ratchet 13 is moved forward, the ratchet 13 is moved forward It is engaged with the ratchet gear 12 coupled to the fixed shaft 11 is fixed in the engaged state, it will not be opened by blocking the rotation of the fixed shaft 11 for opening the door (2).

FIG. 5 is a plan view schematically showing another embodiment of the automatic control device for the fire door of the ventilation zone according to the present invention, wherein the ratchet gear 12 and the solenoid (12) are fixed to the fixed shaft 11 of the door closer 10 installed to automatically open and close the fire door. If the ratchet gear 12 is moved by the external force applied from the outside in a state where the ratchet 13 is moved forward and backward by 14) and is engaged to engage the ratchet gear 12 and the ratchet 13, This is detected by the limit switch 20 sends a signal to the central management room, it is configured to generate an alarm sound through the alarm 21. It sends a signal to the central management room and operates the CCD camera to record the person who opens the security fire door for a certain time.

In the present invention, the limit switch 20, which is used as a means for detecting the ratchet gear 12, may be sensed using various sensors such as an optical sensor and an impact sensor as necessary.

In the present invention, since the configuration in which the door 2 is automatically opened and closed by the door closer 10 is a known configuration, the drawings and detailed description thereof are omitted.

6 shows an embodiment in which the solenoid 14 of the present invention is fixed perpendicularly to the ratchet gear, and FIG. 7 is an operation configuration diagram of an automatic fire prevention door for crime prevention according to the present invention. It is connected to the opening and closing device 50 of each security fire prevention door by the transmission and reception unit 31 installed in the 30, the transmission and reception of the signal detected by the sensor unit 40 formed in the place where the security fire prevention door is installed It sends to the control part 32 via the part 31. The control unit 32 issues a command to the alarm generating unit 33 to generate an alarm to notify the fire. At this time, when a signal is detected by the sensor unit 40 is sent to the central management room 30, at the same time by operating the CCD camera 60 to show the situation on the display unit 34, recording. At this time, if the sensor malfunctions, it can be seen that the screen shown in the display unit 34 is a malfunction.

The sensor unit 40 is installed adjacent to the security fire door, and consists of a heat detector 42 and a smoke detector 43, the heat detector 42 and the smoke detector 43 through the transmitter 41, the central management room 30 ) And the CCD camera 60. In this case, the transmitter 41 may be wired or wireless, and a conventional method is used for the connection means. Transmitting and receiving unit used in the present invention, the receiving unit is a conventional connection means using both wired or wireless, and will not be mentioned below.

The opening and closing device 50 installed in the crime prevention fire door is formed with a receiving unit 51 for connection with the central management room 30, the solenoid control unit 52 and the solenoid 53 which operates in accordance with the signal of the receiving unit 51 Is done. When the switchgear 50 is operated, the CCD camera 60 is connected to operate automatically for a predetermined time so that the situation can be controlled in the central management room 30.

The opening and closing device 50 forms a manual switch 70 on one side of the security fire door 2 so that a person can release the solenoid 53 by hand, and the manual switch 70 is the central management room 30 Connected to the control unit 32 of the central management room 30, the main switch of the control unit 32 is lowered so that the operation is not possible to control in the center.

The manual switch 70 releases the ratchet 13 of the solenoid from the ratchet gear so that a person can open the door by hand. In addition, by pressing the manual switch 70 in the open state, the ratchet 13 may be coupled to the ratchet gear 12 to fix the door 2 not to be closed again. However, when the security function is activated, such a manual switch 70 can be disabled.

And when installing the security fire door (2) in the front door, install a password input device, connect the password input device to the central control room control unit to be able to unlock the door (2) by pressing the password at the entrance If the password is wrong, the CCD camera is activated to record the identity for a certain period of time (approximately 5 to 10 seconds).

The central management room 30 is provided with a transceiver 31 connected to each switchgear 50, a sensor 40, a manual switch 70, a CCD camera 60, and the transceiver 31 is a controller ( 32). The control unit 32 is connected to an alarm generating unit 33 such as a buzzer or a warning lamp to generate an alarm in an emergency, and the display unit 34 shows an image sent from a CCD camera installed near a security fire door.

As described above, the state of use for the embodiment of the automatic fire prevention door open and close according to the present invention.

As shown in Figure 2 to 4, in the installation of a security fire prevention door for blocking the smoke flowing into the smoke control area in the event of a fire, the door closer 10 is installed for the automatic opening and closing of the door 2, the door closer When the ratchet gear 12 is coupled to the fixed shaft 11 of the 10, and the ratchet 13 is installed to move forward and backward by the solenoid 14 on one side of the ratchet gear 12, the door 2 ) Can be closed in a closed state.

Thus, in the process of the door 2 of the fire door is opened and closed by rotating the hinge point by the door closer 10, the operation bar 15 and the arm 17, the fixed shaft 11 of the door closer 10 Automatic opening and closing is made by the arm 17 coupled to form a hinge point to the operating bar 15 and the door frame 3 coupled to the).

In this process, the ratchet gear 12 is coupled to the fixed shaft 11 of the door closer 10, and the ratchet 13 engaged with the ratchet gear 12 is engaged to move back and forth by the solenoid 14. Since the door 2 is closed, the solenoid 14 is operated to engage and fix the ratchet 13 and the ratchet gear 12 so that the door 2 is closed without being opened by an external force. Will be.

That is, in the process of opening and closing the door 2, the fixed shaft 11 of the door closer 10 connected by the arm 17 and the operation bar 15 is rotated, thereby controlling the opening and closing, in the present invention Since the ratchet gear 12 coupled to the fixed shaft 11 is fixed so as not to be rotated by the ratchet 13 moved forward by the solenoid 14, the ratchet gear 12 cannot be rotated and opened and closed at all. Will be maintained.

Therefore, when the fire door is closed in order to prevent smoke from flowing into the smoke control area due to the fire, when the solenoid 14 is operated to block the rotation of the ratchet gear 12 by the ratchet 13, the door 2 is closed. It is not opened by an external force and is in a closed state.

When the security door is normally opened, the ratchet 13 and the ratchet gear 12 are combined to prevent the door from closing. When a fire occurs, the solenoid 14 is operated in the central control room to open the corresponding security door once. Can be closed and locked to set the ventilation area.

If a person in the fire zone presses the manual switch to escape, the screen reflected on the CCD camera is displayed and the administrator of the central office can release the door.

And when the security fire door is installed in the porch, it is possible to release the solenoid (14) by pressing the password, if the wrong password CCD camera is automatically operated to check the identity.

On the other hand, the automatic control device for the fire-fighting area fire door according to the present invention can be used in various embodiments, as shown in the embodiment according to the accompanying drawings, the fixed shaft of the door closer 10 installed for opening and closing the door (2) Coupling the ratchet gear 12 to (11), the ratchet 13 is moved back and forth by the solenoid 14 to block the rotation of the ratchet gear 12, the rotation of the ratchet gear 12 When the limit switch 20 is installed and the ratchet gear 12 and the ratchet 13 are engaged with each other, the door 2 is opened by the external force and the ratchet gear 12 rotates. This will be detected by the illegal, theft alarm will be generated through the alarm 21.

The limit switch 20 is made to be operated by the rotation of the ratchet gear 12, and in addition to the limit switch 20, the door 2 is locked by using an optical sensor and an impact sensor, and the like is illegally opened. It can be used to detect the alarm or to notify the illegal intrusion and theft by wired or wireless transmission and reception methods.

Therefore, the fire door according to the present invention can be used as a fire protection for the prevention of smoke prevention to block the smoke flowing into the smoke control area when the fire, it can be used as a security door for theft and security.

Fire control door automatic opening and closing device according to the present invention can be used to close the door (2) in a closed state, so as not to open, and also, if you want to keep the fire door open, as in the above, the door (2) In the open state, operate the solenoid 14 to advance the ratchet 13 to engage the ratchet gear 12 so that it does not rotate, and the fire door is always open and does not use a separate crutch or support member. It can be used simply and easily without using.

As such, according to the use of the automatic opening and closing device of the fire prevention door according to the present invention, the fire door is installed in order to block the flow of smoke into the control area when the fire occurs in the closed state, it can be automatically closed so as not to open, It is possible to improve the smoke prevention effect.

In addition, the present invention can be fixed in the closed state, or open state, the smoke control area fire door so as not to be opened or closed by an external force, while providing convenience for use of the fire door, at the same time block the smoke entering the smoke control area to the fire. As well as the effect to secure the safety, as well as the security function for theft and security guards can be combined in parallel to obtain an efficient and economical effect.

In addition, by installing a CCD camera, forcibly opening the door, attempting to open the door with the manual switch locked in the center, or recording a password if the password entered in the door installed in the front door is strengthened to prevent crime.

Claims (4)

The door closer is installed on the upper side of the door, the operation bar is rotatably coupled to the fixed shaft of the door closure, the support piece and the arm coupled to the door frame are rotatably coupled, and the operation bar and the arm are connected by a link method. In the security fire door automatic opening and closing device, Transmitter and receiver 31 connected to the opening and closing device 50 installed on the security fire door, the control unit 32 connected to the transceiver 31, the alarm generating unit 33 and the display unit 34 connected to the control unit 32 Central management room 30 is composed of; The ratchet gear 12 is coupled to the fixed shaft 11 of the door closer 10, and the ratchet 13 is moved forward and backward by the solenoid 14 at a position spaced a predetermined distance to one side of the ratchet gear 12. Is configured to be moved, the solenoid 14 is connected to the control unit 32 of the central management room 30 to operate the opening and closing device (50); It is installed adjacent to the security fire door, CCD camera 60 is connected to the opening and closing device 50 and the central management room (30); security fire door automatic opening and closing device, characterized in that consisting of. The method of claim 1, The manual switch 70 is connected to and installed in the switchgear 50, the manual switch 70 is connected to the control unit 32 through the transceiver 31 of the central management room 30, and the manual switch is controlled by the control unit 32. Security fire door automatic opening and closing device, characterized in that for controlling the operation of the position (70). The method of claim 1, The sensor unit 40 is connected to the central management room 30 and the CCD camera 60 adjacent to the security fire door, and the sensor unit 40 is composed of a heat detector 42 and a smoke detector 43. 40, the signal is connected to turn on the operation switch of the display unit 34 and the CCD camera 60 of the central management room 30, the security fire door automatic opening and closing device. The door closer is installed on the upper side of the door, the operation bar is rotatably coupled to the fixed shaft of the door closure, the support piece and the arm coupled to the door frame are rotatably coupled, and the operation bar and the arm are connected by a link method. In the fire door automatic opening and closing device, The ratchet gear 12 is coupled to the fixed shaft 11 of the door closer 10, and the ratchet 13 is moved forward and backward by the solenoid 14 at a position spaced a predetermined distance to one side of the ratchet gear 12. Configured to be moved, The limit switch 20 which is engaged with the ratchet 13 which is moved forward by the solenoid 14 and detects the movement and the impact of the fixed ratchet gear 12 is provided, and is connected to the limit switch 20 by an electrical signal method. Security fire door automatic opening and closing device, characterized in that the alarm 21 is provided to generate an alarm sound.

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