KR20100075104A - Device for opening and closing door and method for opening and closing thereof - Google Patents

Abstract

PURPOSE: A door opening or closing apparatus using RFID(Radio Frequency Identification) and a method thereof are provided to enhance the security of a door lock. CONSTITUTION: A complex key is equipped with an electronic key comprising an RFID chip and an RFID antenna as well a mechanical key having a protrusion. A key insertion unit(10) enable a mechanical key part to be inserted into a key insertion hole. A knob is rotated in 180 degrees and the information of the electronic key is recognized by a key reader(310). A door lock interlinking unit(20) comprises a rotary member(240), a locking unit, and a guide rail(230).

Description

Door opening and closing device using RFID and its method {Device for Opening and Closing Door and Method for Opening and Closing etc}

The present invention relates to a door opening and closing device, and more particularly to a door opening and closing device and a method for opening and closing the door using RFID.

In general, mechanical door locks for opening and closing doors using metal keys are mainly used as door opening and closing devices for apartments, multi-family houses, officetels, and offices. However, the mechanical door lock has a security problem because the metal key used as an authentication means is vulnerable to loss and duplication.

On the other hand, in order to solve the vulnerability of the conventional mechanical door lock using an electronic key (Key) as an authentication means, by mounting a microprocessor unit (MPU: Microprocessor Unit) in the door lock digital digital control of the overall unlocking and deciding operation of the door lock Door locks have been developed and commercialized.

However, even in the case of such an electronically controlled digital door lock, the weakness of the mechanical door lock can be solved, but the mechanical door lock and the digital door lock in general, there is a problem in security because it consists of one opening and closing process.

In order to solve the above problems, it is an object of the present invention to provide a door opening and closing device using a RFID and a method for enhancing the security of the door lock using a combination of mechanical and electronic key.

According to an aspect of the present invention, there is provided a door opening and closing device using an RFID, comprising: a complex key in which an electronic key consisting of an RFID (Radio Frequency IDentifier) chip and an RFID antenna is provided on a mechanical key having a protrusion; A key insertion unit for inserting the mechanical key portion into the key insertion slot and rotating the handle 180 degrees to recognize the electronic key information on the electronic key reader unit; And a door opening and closing interlocking unit including a rotating member connected to the handle to control the opening and closing movement of the clasp, a locking part for locking the clasp, and a guide rail for guiding the clasp.

 In the door opening and closing device of the present invention, the latch is characterized in that it comprises a groove engaging with the teeth of the rotating member, and the locking step is engaged with the locking portion of the locking portion.

In the door opening and closing device of the present invention, the mechanical key is inserted into the key insertion slot, and the handle is rotated 180 degrees.

In the door opening and closing apparatus of the present invention, the information of the electronic key is recognized by the electronic key lid unit, and when the handle is rotated from 180 degrees to 360 degrees, the latch is completely released.

In the door opening and closing apparatus of the present invention, the electronic key reader unit includes: a key reading unit for recognizing electronic signal information generated by the electronic key; An opening and closing detection sensor unit detecting whether the door is opened or closed; A locking unit for controlling the movement of the latch in association with the key reading unit; And a controller for opening and closing, locking, storing and transmitting functions.

In addition, the present invention for achieving the above object, In the door opening and closing method using RFID, the first step of inserting the mechanical key portion of the composite key into the key insertion opening provided on one side of the handle; Rotating the handle 180 degrees to first release the latch by about half; If the electronic key information is recognized and read through the electronic key reader, a third step of releasing the latch to the fully open state by rotating the handle 180 to 360 degrees; And a fourth step of returning the latch to the locked state when the door is closed in the state in which the composite key is removed.

As described above, when applying the door opening and closing device using the RFID and the method according to the present invention there is an advantage that can further enhance the security.

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

1 is a view showing a composite key of the door opening and closing device according to the present invention.

As shown in FIG. 1, the composite key 100 of the present invention includes an electronic key 120 in a mechanical key 110.

The mechanical key 110 is formed of a protrusion 111 to correspond to the shape of the key insertion port 71, the electronic key 120 is composed of an RFID (Radio Frequency IDentifier) chip 121 and RFID antenna 122 It is built in the mechanical key (110).

Here, the electronic key 120 may be implemented through all means capable of generating identifiable radio waves as well as the RFID chip 121 and the RFID antenna 122 used in the embodiment of the present invention.

2A and 2B are plan views illustrating a key insertion unit and a door opening and closing unit of the door opening and closing device according to the present invention.

As shown in FIG. 2A, the key inserting portion 10 includes a key inserting portion 71 for inserting the protrusion 111 of the mechanical key 110, a handle 70 for rotating the key inserting portion 71, And an electronic key reader 310 for recognizing and approving information of the electronic key 120.

As shown in Figure 2b, the door opening and closing interlocking portion 20 is associated with the handle 70, the latch 210 is composed of a groove 211 and the locking jaw 212 is opened and closed by the rotating member 240 The movement is controlled. Here, the clasp 210 is coupled to the guide pin 220 is guided in the range of the guide rail 230. In this case, the guide rail 230 supports the guide pin 220.

The teeth 241 positioned on the side of the rotating member 240 are engaged with the groove 211, and the locking jaw 212 is engaged with the locking portion 341 of the locking portion 340.

3a and 3c is a view showing a release procedure of the door opening and closing device according to the present invention.

First, as shown in FIG. 3A, the mechanical key 110 of the compound key 100 is inserted into the key insertion port 71 of the key insertion unit 10.

At this time, the locking portion 340 of the door opening and closing interlocking portion 20 is separated from the latch 210, the latch 210 is locked by the rotating member 240.

Subsequently, as shown in FIG. 3B, the key inserting portion 10 into which the mechanical key 110 is inserted is rotated 180 degrees by the handle 70. At this time, if the mechanical key 110 does not match the key insertion port 71, the handle 70 does not rotate.

 At this time, the door opening and closing interlocking portion 20 is engaged with the first groove 211 of the clasp 210 and the teeth 241 of the rotating member 240 to release the clasp 210 first half. At this time, the locking portion 341 and the locking jaw 212 of the locking portion 340 is engaged, the clasp 210 is locked.

Lastly, as shown in FIG. 3C, when the electronic key 120 information is recognized and approved by the electronic key reader 310, the handle 70 is rotated from 180 degrees to 360 degrees. At this time, if the electronic key reader unit 310 does not recognize the electronic key 120 information, the handle 70 does not move.

At this time, the door opening and closing interlock 20, the teeth 241 of the rotating member 240 is engaged with the second groove 211 to release the second latch in a completely open state. At this time, the locking portion 341 is separated from the locking jaw 212.

Figure 4 is a block diagram of the electronic key reader unit of the door opening and closing apparatus according to the present invention.

As shown in FIG. 4, the electronic key reader 310 includes a key reading unit 300 for recognizing electronic signal information generated by the electronic key 120, and an opening / closing detection sensor unit detecting whether the door is opened or closed. 320, a locking unit 340 for controlling the movement of the latch 210 in association with the key reading unit 300, and a controller 330 for controlling the operation of the electronic key reader unit 310.

Here, the information provided from the controller 330 is managed by the central management computer 350, the power is supplied through the power supply 360.

The controller 330 receives and reads the electronic key 120 information recognized by the key reading unit 300, and opens and closes a function of determining whether to open or close the electronic key 120, and without recognizing the electronic key 120 in the key reading unit 300. Lock function to automatically lock when the opening and closing operation, a storage function for storing the overall information of the door opening and closing device, and a transmission function for transmitting the overall information of the door opening and closing device to the central management computer (350). In addition, the central management computer 350 classifies the overall information of the door opening and closing device, and stores the classified information.

Figure 5 is a flow chart illustrating a door opening and closing method of the present invention.

As shown in FIG. 5, first, the mechanical key 110 is inserted into the key insertion port 71 installed at one side of the handle 70 in the door locked state S511, and the handle 70 is rotated 180 degrees. In step S513, the latch 210 is first released by half (S514).

Subsequently, when the electronic key 120 recognizes and reads the electronic key 120 information through the electronic key reader 310 (S515) and authenticates the access authorization ID (S516), the handle 70 is rotated from 180 to 360 degrees (S518). At this time, the latch 210 is released to the second state in the fully open state to open the door (S519). If the ID is not authenticated (S516), the latch 210 is maintained in the primary unlock state about half (S517).

Lastly, when the door is closed in the state in which the composite key 100 is removed, the opening / closing detection sensor unit 320 detects the door closing (S520), and the door is locked (S521).

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of course, this is possible. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the equivalents as well as the claims to be described later.

1 is a view showing a composite key of the door opening and closing device according to the present invention.

2A and 2B are plan views illustrating a key insertion unit and a door opening and closing unit of the door opening and closing device according to the present invention.

3 is a view showing a release procedure of the door opening and closing device according to the present invention.

Figure 4 is a block diagram of the electronic key reader unit of the door opening and closing apparatus according to the present invention.

5 is a flowchart illustrating a door opening and closing method according to the present invention.

*** Description of the main parts of the drawing ***

10: key insertion unit 20: door opening and closing interlocking portion

70: handle 71: key insertion opening

100: composite key portion 110: mechanical key

111: protrusion 120: electronic key

121: RFID chip 122: RFID antenna

200: switch unit 210: latch

211: groove 212: locking jaw

220: guide pin 230: guide rail

240: rotating member 241: tooth

300: key reader 310: electronic key reader

Claims (6)

In the door opening and closing device using RFID, A complex key having an electronic key composed of an RFID (Radio Frequency IDentifier) chip and an RFID antenna in a mechanical key having a protrusion; A key insertion unit for inserting the mechanical key portion into the key insertion slot and rotating the handle 180 degrees to recognize the electronic key information on the electronic key reader unit; And Door opening and closing interlocking portion consisting of a rotating member for controlling the opening and closing movement of the latch associated with the handle, the locking portion for locking the latch, and the guide rail for guiding the latch; doors using RFID Switchgear. The method of claim 1, The latch is a door opening and closing device using RFID, characterized in that it comprises a groove engaging with the teeth of the rotating member, and the engaging jaw is engaged with the locking portion of the locking portion. The method of claim 1, The door opening and closing device using an RFID, characterized in that the latch is released about half when the mechanical key is inserted into the key insertion slot to rotate the handle 180 degrees. The method of claim 1, The door opening and closing device using the RFID, characterized in that the latch is completely unlocked when the information of the electronic key is recognized and approved by the electronic key reader unit to rotate the handle 180 to 360 degrees. The method of claim 1, The electronic key reader unit, A key reading unit for recognizing electronic signal information generated by an electronic key; An opening and closing detection sensor unit detecting whether the door is opened or closed; A locking unit for controlling the movement of the latch in association with the key reading unit; And Door opening and closing device using an RFID, comprising: a controller for opening and closing, locking, storing and transmitting functions. In the door opening and closing method using RFID, Inserting a mechanical key portion of the composite key into a key insertion slot provided at one side of the handle; Rotating the handle 180 degrees to first release the latch by about half; If the electronic key information is recognized and read through the electronic key reader, a third step of releasing the latch to the fully open state by rotating the handle 180 to 360 degrees; And And closing the door in a state in which the composite key is removed, thereby returning the latch to the locked state. 4.

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