KR102023853B1 - Smart door lock for public use rooms - Google Patents

Abstract

The present invention relates to a crime prevention room door having a smart door lock applied to a room in a public space. The crime prevention room door comprises: an outer fixing member having an outer lever rotatably installed therein and provided on the outer surface of a room door; a fingerprint recognition unit provided on the outer lever or the outer fixing member in order to recognize a fingerprint; a wireless communication unit wirelessly communicating; a control unit receiving access permission fingerprint information registered in the fingerprint recognition unit and an expiration date registered by an operating unit, or receiving the access permission fingerprint information and the expiration date from a terminal which is authenticated by having access through the wireless communication unit, controlling an open signal to be output when fingerprint information recognized by the fingerprint recognition unit matches the access permission fingerprint information and the timing of the matching is within the expiration date, creating an access record, and providing the access record to an operator terminal having access through the wireless communication unit; a memory unit storing the access permission fingerprint information, the expiration date, and the access record, and providing the stored information according to a request from the control unit; a locking unit maintaining a locking state by inhibiting the rotation of the outer lever from the outer fixing member, and releasing the locking by receiving the open signal from the control unit and allowing the outer lever to rotate from the outer fixing member; and a power supply unit providing power required for operation.

Description

Security door lock with smart door lock applied to room of public use space {Smart door lock for public use rooms}

The present invention relates to a security room door having a smart door lock, and more specifically, only a person who is authenticated to a room used as a private space in a guest room or share house, through fingerprint registration, and optimized for the function. And a crime prevention room door having a smart door lock applied to a room of a public use space to prevent a crime occurrence in advance and to increase trust between a consumer and an operator by having an operation. .

In general, the indoor room door is provided with a lever-type door lock for opening and closing, by the locking means installed in the lever-type door lock, to enable the locking and unlocking of the opening and closing as needed. Lever type door locks of the room doors do not require strong security or robust locking due to the characteristics of being installed in a room that is primarily protected by the doors as compared to the door locks for the doors.

The lever-type door lock has an outer lever rotatably installed on an outer side surface of the room door by an outer fixing member, and an inner side fixing member so as to face the outer lever on the inner side of the room door. Latch assembly having an inner lever rotatably installed at the door, a latch assembly protruding and inserted into the side of the room door, and a latch engaged with the locking member of the door frame, and the latch being rotated at the side of the room door by rotation of the outer lever or the inner lever. It may include a latch operation portion for connecting the latch to each of the inner lever and the outer lever to protrude and insert.

Referring to the accompanying drawings, a technique related to a lever-type door lock installed in a conventional room door is as follows.

1 is an exploded perspective view showing a door lock of a lever type for a door according to a conventional embodiment, which is a "lever assembly of a door lock device" of Korean Patent No. 10-0516150, which is largely an outer handle 110, a shaft The member 120, the first linking arm 130, the second linking arm 140, the pin connecting member 150, and the inner handle 160 are included.

The outer handle 110 is installed on the outside of the door and interlocks with the shaft member 120 inside the door. At least one shaft member 120 includes a cylindrical body 121, upper and lower pivot shafts 122 and 124 protruding from the upper and lower ends of the body 121, and a lower outer diameter of the upper pivot shaft 122. It is composed of a fixing key 123 formed to protrude above. The shaft member 120 may further form a through hole 125 penetrating the upper and lower pivot shafts 122 and 124, and may allow the outer handle 110 to be fixedly coupled to the through hole 125. The shaft member 120 is installed inside the backset in a rotatable state by the operation of the outer handle 110, the first interlocking arm 130 is coupled to the inside. The first interlocking arm 130 has an insertion hole 132 formed to penetrate the upper pivot shaft 122 of the shaft member 120 and a fixing key 123 coupled to the inner circumference of the insertion hole 132. Shaft fixing portion consisting of the key groove 133 and the left / right rotational limiting jaw 134 to protrude so that the rotation is limited by the pin connecting member 150 penetrates in the appropriate section of the outer peripheral edge of the insertion hole 132 ( 131). The latch holder driver 135 extends to one end of the shaft fixing part 131 to move the latch holder 171 and the latch bolt 173 interlocked with the latch holder 171. The first interlocking arm 130 is inserted into and fixed to the outer diameter of one side of the shaft member 120 and rotates together with the shaft member 120, thereby releasing the door frame coupling state of the latch bolt 173. The second linking arm 140 has a hinge hole 142 which is formed to penetrate the upper pivot shaft 122 of the shaft member 120, and a pin connecting member on the opposite surface of the outer peripheral edge of the hinge hole 142, respectively. A shaft rotating part 141 consisting of a pinhole 143 is formed to match 150. The dead bolt driver 145 extends to one end of the shaft pivot 141 to simultaneously release the latch bolt 173 and the dead bolt (not shown). The second linking arm 140 is inserted into the shaft member 120 so as to face the first linking arm 130 and is mated with the pin connecting member 150 to be freely rotated while penetrating through the shaft member 120. . The pin connecting member 150 includes a pair of opposing pins 151 mated with the outer circumference of the second interlocking arm 140, a planar portion 153 interconnecting one end of the opposing pin 151, and a flat portion. 153 is composed of a coupling hole 154 formed to be coupled to the inner handle 160.

FIG. 2 is an exploded perspective view showing a door lock of a lever type for a room door according to another embodiment of the related art, which is a "plate assembly of a door lock" of Korean Patent Registration No. 20-0325957. The first plate 13, the inner holder 15, and the third plate 17 are interposed between the levers 11 and 12 inside and outside the door and the latch unit 10 at the center thereof. It is formed separately and coupled to the inner lever 11, the second plate 14, the outer holder 16, the fourth plate 18 is formed separately and coupled to the outer lever 12. In addition, the holders 15 and 16 are in close contact with the engaging grooves 17a and 18a of the third plate 17 and the fourth plate 18, respectively. The outer lever 12 is mounted to surround a part of the latch unit 10 via the support cylinder 19. The support cylinder 19 is provided with the incision part 19a which accommodates the latch unit 10 in the center. The inner holder 15 has an annular bar-shaped protrusion 15a at opposite points of the outer circumferential surface, and the protrusion 16a and the fourth plate 18 of the outer holder 16 coupled to the outer lever 12 are engaged. The groove 18a also has the same configuration and function.

In addition, the lever-type door lock structure installed in the room door has a variety of structures, such a conventional door-type lever-type door lock had a problem that the security function is insufficient compared to the door lock installed in the existing door.

Recently, the domestic and foreign guesthouse and share house industries are exploding due to national policies and the connection of various industries, and are expected to continue to grow in the future.

However, in the case of installing a lever type door lock corresponding to the above-mentioned conventional technology or other existing technology in the door of a room used as a private space in a guest house or share house, the security function is not satisfactory, By greatly impairing the ease of use, there was a problem of making it difficult to use optimized for rooms such as guest houses and share houses.

Therefore, it is necessary to develop a room door having a door lock that can be optimally applied to a room in a gay house or share house.

In order to solve the problems of the prior art as described above, the present invention allows only the authorized person in the room used as a private space in the guest room, share house, etc. through the fingerprint registration, and also optimized function and operation This prevents the occurrence of crimes in advance to enable safe public use, as well as providing excellent security features to meet privacy and privacy protections. The purpose is to increase the trust between the consumer and the operator while increasing the ease of use by receiving and using the fingerprint information permitting access provided by political parties.

Other objects of the present invention will be readily understood through the following description of the embodiments.

In order to achieve the above object, according to an aspect of the present invention, by the operation of the latch operation unit by the rotation of the outer lever and the inner lever rotatably provided on the outside and the inside of the room door, In the security room door is provided with a door lock that is provided with a latch assembly for protruding and inserting the locking for locking the side portion, the door lock, the outer lever is rotatably installed, the outer side provided on the outer surface of the room door Fixing member; A fingerprint recognition unit provided to recognize the fingerprint on the outer lever or the outer fixing member; A wireless communication unit provided to perform communication wirelessly; Receive the access permission fingerprint information registered in the fingerprint recognition unit and the validity period registered by the operation unit, or receives the access permission fingerprint information and the valid period from the terminal that is authenticated by accessing through the wireless communication unit, the fingerprint recognition unit When the fingerprint information recognized by the fingerprint information matches the access permission fingerprint information and the time point of the match is within the valid period, the controller controls to output an open signal, and creates an access record and accesses it through the wireless communication unit. A control unit for providing a terminal; A memory unit which stores the access permission fingerprint information, the expiration date, and the access record and provides them at the request of the controller; A locking part configured to maintain the locked state by suppressing rotation of the outer lever from the outer fixing member and to release the locking by receiving the open signal of the controller so that the outer lever can rotate from the outer fixing member; And a power supply unit for supplying power for operation, a security room door having a smart door lock applied to a room of a public use space is provided.

The controller may be used as the access permission fingerprint information and the validity period when the operator's terminal provides the user's fingerprint information and the usage period provided from the terminal of the consumer who has been authenticated in the user registration process by communication. .

The locking part may include a locking part provided integrally with a side portion of a portion inserted into the outer fixing member from the outer lever, and having a plurality of locking grooves formed along an outer surface thereof; A locking piece which is formed to be in surface contact with the outer surface of the locking part, and has a locking protrusion formed to be inserted into and engaged in each of the locking grooves; A guide rail formed inside the outer fixing member such that the locking piece is slidable in a rotational radial direction of the outer lever, and supporting the locking piece to suppress rotation of the outer lever when the locking piece is caught by the locking portion; The first and second link members hinged to the inner side of the locking piece and the outer fixing member are hinged to each other by a second hinge coupler, respectively, wherein the second link member is Is coupled to the reciprocating movement in the longitudinal direction from the second hinge coupling portion, the first and second link members are provided in plurality in a direction orthogonal to the rotational radial direction, the first and second link members are unfolded A link part configured to reciprocate and lock or separate the locking piece by being folded over; And each of the second hinge coupling portions of the link portion is rotatably coupled along a longitudinal direction and provided at both ends of the movable shaft disposed in a direction orthogonal to the rotational radial direction, and installed inside the outer fixing member. And the first and second solenoid actuators controlled by the controller to unfold or fold each of the first and second link members by reciprocating the movable shaft by respective opposite operations. .

In the bidirectional rotation operation of the outer lever locked by the locking piece, the first and the first to be installed to contact the locking piece on both sides of the guide rail so as to receive the force applied to the locking piece from the outer lever, respectively; 2 load cells; And an alarm speaker configured to receive an alarm signal of the controller and output an alarm sound, wherein the controller receives a load measured by the first or second load cell, and locks when the load exceeds a set value. It can be determined that excessive force is applied to the outer lever in a state.

The outer lever may be provided with a USB connector for connecting a power cable so as to supply power for operation instead of power supply by the power supply.

According to the security room door having a smart door lock applied to the room of the public use space according to the present invention, only the person authenticated to the room used as a private space in the guest room or share house, etc. It has the optimized function and operation, which prevents the occurrence of crime in advance to enable safe public use, and also provides excellent security functions to meet the protection of privacy and property. By setting the time period and receiving and using the fingerprint information that allows access provided by the authenticated political party party, it is possible to increase the ease of use and increase the trust between the consumer and the operator.

1 is an exploded perspective view showing a door lock of a lever type for a door according to a conventional embodiment.
2 is an exploded perspective view showing a door lock of a lever type for a door according to another embodiment of the prior art.
3 is an exploded perspective view illustrating a security room door having a smart door lock applied to a room of a public use space according to an embodiment of the present invention.
4 is a perspective view illustrating a security room door having a smart door lock applied to a room of a public use space according to an embodiment of the present invention.
5 is a block diagram showing a security room door having a smart door lock applied to the room of the public use space according to an embodiment of the present invention.
Figure 6 is a perspective view showing the main portion of the outer lever in the security room door having a smart door lock applied to the room of the public use space according to an embodiment of the present invention.
7 is a perspective view showing the main portion of the outer lever opening in the security room door having a smart door lock applied to the room of the public use space according to an embodiment of the present invention.
8 is a front sectional view showing a locking state of a locking unit in a security room door having a smart door lock applied to a room of a public use space according to an embodiment of the present invention.
9 is a front sectional view showing a unlocking state of the locking unit in a security room door having a smart door lock applied to a room of a public use space according to an embodiment of the present invention.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to the specific embodiments, but should be understood in a way that includes all changes, equivalents, and substitutes included in the spirit and scope of the present invention, and may be modified in various other forms. It is to be understood that the scope of the present invention is not limited to the following examples.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and like reference numerals denote the same or corresponding elements regardless of reference numerals, and redundant description thereof will be omitted.

3 is an exploded perspective view showing a security room door having a smart door lock applied to a room of a public use space according to an embodiment of the present invention, Figure 4 is a room in a public use space according to an embodiment of the present invention 5 is a perspective view showing a security room door having a smart door lock applied, Figure 5 is a block diagram showing a security room door having a smart door lock applied to a room of a public use space according to an embodiment of the present invention.

3 to 5, the security room door 30 having a smart door lock applied to the room of the public use space according to an embodiment of the present invention is a room door 500 hinged to one side of the door frame of the room And a door lock 300 installed in the room door 500.

In the present invention, the door lock 300 is a room by the operation of the latch operation unit 340 by the rotation of the outer lever 310 and the inner lever 320 are rotatably provided on the outside and the inside of the room door 500, respectively. A door lock having a latch assembly 330 through which the latch 331 for locking protrudes and is inserted into the side portion 510 of the door 500. The outer fixing member 350, the fingerprint recognition unit 360, and the wireless communication unit are provided. 370, a control unit 380, a memory unit 381, a locking unit 390, and a power supply unit 410 may be included.

The outer lever 310 is coupled to the outer fixing member 350 fixed to the outer surface of the room door 500, that is, the surface facing toward the outside of the room to rotate within a certain angle range.

The inner lever 320 is coupled to the inner fixing member 321 fixed to the inner surface of the room door 500, that is, the surface facing the inner side of the room to rotate within a predetermined angle range.

The latch assembly 330 is installed inside the room door 500 such that the latch 331 is inserted into a rotation operation of the outer lever 310 and the inner lever 320. The latch assembly 330 is provided at a side where the latch 331 is fixed. The fixing plate 332 is fixed to the side portion 510 of the room door 500 by a bolt or the like so as to be installed in the room door 500. On the other hand, the latch 331 may be configured to return to a protruding state by a spring or the like.

The latch operation part 340 is installed in the opening 520 penetrating the inside and the outside of the room door 500 so that the latch 331 is moved to the room door 500 by the rotation of the outer lever 310 or the inner lever 320. The latch 331 is connected to each of the outer lever 310 and the inner lever 320 so as to protrude and be inserted into the side portion 510 of the side). It is a matter of course that the configurations known in various documents can be easily applied.

The outer fixing member 350 may be provided by the outer lever 310 to be rotatably installed and fixed to the outer surface of the room door 500 by using a member such as direct bolting or a separate bracket.

The fingerprint recognition unit 360 is provided for the recognition of the fingerprint by the user's finger contact with the outer lever 310 or the outer fixing member 350. In this embodiment, the fingerprint recognition unit 360 is provided on the outer lever 310. It is not limited.

The wireless communication unit 370 is provided to perform wireless communication. For example, the wireless communication unit 370 may be a communication module that performs various types of wireless communication, including Wi-Fi, 3G, LTE, and the like.

The control unit 380 is a fingerprint recognition unit 360 of the access permission fingerprint information and the access permission fingerprint information registered by the operation unit 382 installed in the outer fixing member 350 to receive the information by the operation. Receiving the validity period, or is provided through the wireless communication unit 370 is authenticated by the terminal 710, the access permission fingerprint information and access valid fingerprint information is provided for the validity period, the fingerprint recognition unit 360 for the consumer access If the fingerprint information recognized by the coincidence and the fingerprint information allowing access, and the time of matching is within the validity period, and controls to output the open signal, and to create an access record, such as access and access time, the wireless communication unit 370 Provided to the terminal 710 of the operator connected through. In this case, the terminal 710 may be an operator's terminal 710 authorized to be connected according to authentication, for example, input of an ID and password or other various methods, according to a process determined by the controller 380. On the other hand, not only the operator's terminal 710, but also the consumer's terminal 720 which will be described later to control the security room door 300 having a smart door lock applied to the room of the public use space according to the present invention. Various data processing and communication devices may be used, including a smartphone, a tablet PC, a PC, a notebook computer, and the like, which may install and execute a dedicated application or program, and perform wireless communication.

The control unit 380 may perform a registration procedure according to a predetermined operation of the operation unit 382 or a predetermined operation of the terminal 710 that has been authenticated. Can be. On the other hand, the operator's terminal 710 may have a fingerprint recognition function in order to directly obtain access fingerprint information from the consumer. In addition, the operator's terminal 710 may use a fingerprint recognition function provided in the terminal 720 of the consumer in order to receive the access permission fingerprint information from the terminal 720 of the consumer.

The controller 380 is a user provided from the terminal 720 of the consumer that the terminal 710 of the operator has been authenticated in the process of the user terminal 710 of the operator performs communication with the terminal 720 of the consumer. When providing the fingerprint information and the period of use, it can be used as the access fingerprint information and validity period, respectively. Accordingly, the consumer can conveniently perform a procedure such as fingerprint registration and expiration date setting for use of the corresponding room using his terminal 720.

The memory unit 381 stores the access permission fingerprint information, the expiration date, the access record, and the like, and provides them at the request of the controller 380. In addition to the above information, the memory unit 381 may store various information or programs necessary for an operation.

6 and 7, the outer lever 310 has a USB connector 420 to which a power cable (not shown) is connected to supply power for operation instead of the power supply by the power supply unit 410. May be provided. Therefore, even when the internal power is consumed, it can be easily operated using the external power. On the other hand, even if the operation is difficult because the internal power is consumed, the control unit 380 may store some of the internal power in the energy store in advance so that the storage of data necessary for the minimum operation including the unlocking may be maintained. The USB connector 420 may be a micro USB connector for connecting various sockets of a power cable, a mini USB connector, as well as a connector for USB in various ways.

The outer lever 310 may be hinged to the cover 311 for opening and closing the receiving space 312 for accommodating the battery 600, the rechargeable battery, etc. to the inner end, it is provided to protrude to the cover 311 An insertion groove 313 into which the hook 315 is inserted and a hook hole 314 to keep the cover 311 closed by the hook 315 inserted into the insertion groove 313 may be formed, respectively. have. The hook 315 caught in the locking hole 314 may be pushed through the locking hole 314 to open the cover 311 by allowing the hook 315 to be separated. The cover 311 may be provided with an electrode 316 so as to be electrically connected to an electrode such as a battery 600, and a conductor necessary for energization including the electrode 316 may be provided in the accommodation space 312. On the other hand, the accommodating structure such as the battery 600 and the USB connector 420 has an outer lever 310 as an example, which is an example, the inner lever 320 as well as the outer fixing member 350 as a variety of structures Can be prepared.

8 and 9, the locking unit 390 keeps the locking state by preventing the outer lever 310 from rotating from the outer fixing member 350 and receives the open signal of the control unit 380. The outer lever 310 can be rotated from the outer fixing member 350 to be unlocked. The outer fixing member 350 may be provided with an installation space 352 for accommodating or installing the locking portion 380 around the shaft coupling portion 351 for rotational coupling of the outer lever 310. The installation space 352 may accommodate various components of the present invention, including a control unit 380 in the form of a PCB and an electronic device and an alarm speaker 440 which will be described later.

The locking portion 390 is provided to be integral with the side of the portion inserted into the outer fixing member 350 in the outer lever 310, the locking portion 391 is formed with a plurality of locking grooves 391a along the outer surface And a locking piece 392 formed to be in surface contact with the outer surface of the locking portion 391, and having a locking protrusion 392a formed to be inserted into and engaged in each of the locking grooves 391a, and the locking piece 392 is outside. It is formed on the inner side of the outer fixing member 350 so as to be slidable in the rotational radial direction of the lever 310, the locking piece to suppress the rotation of the outer lever 310 when the locking piece 392 is caught by the locking portion 391 First and second link members hinged to the guide rails 393 supporting the 392 and the inner side surfaces of the locking piece 392 and the outer fixing member 350 by the first hinge coupling portion 394c, respectively. 394a and 394b are hinged to each other by a second hinge coupling portion 394d, but the second link member 394b is longitudinally driven from the second hinge coupling portion 384d. A plurality of first and second link members 394a and 394b are provided in a direction orthogonal to a rotational radial direction, and the first and second link members 394a and 394b are unfolded and folded. Each of the link portion 394 and the second hinge coupling portion 394d of the link portion 394 rotates along the length direction so that the locking piece 392 is reciprocated to be caught or separated from the locking portion 391. It is provided at both ends of the movable shaft 395, which is coupled to be possible and is orthogonal to the rotational radial direction, and is installed inside the outer fixing member 350, and the movable shaft is formed by opposing operations. By reciprocating 395, each of the first and second link members 394a and 394b can be expanded or folded and include first and second solenoid actuators 396 and 397 controlled by the controller 380. have.

Here, a plurality of guide protrusions 393a for guiding the sliding movement of the locking piece 392 may be provided inside the guide rail 393. The second link member 394b is hinged to the inner side surface of the non-moving outer fixing member 350 by the first hinge coupling portion 394c, so that the end of the second link member 394b allows linear movement of the movable shaft 395. The second hinge coupling portion 394d may be slidably coupled to the slit formed to a predetermined length so as to be reciprocated within a predetermined range in the longitudinal direction from the two hinge coupling portions 394c. In addition, the first and second hinge coupling portions 394c and 394d may include hinge pins for hinge coupling. In addition, the movable shaft 395 may be configured to reciprocate by any one of the first and second solenoid actuators 396 and 397, thereby locking and / or locking by the movement of the movable shaft 395 even if one of the first and second solenoid actuators 396 and 397 Unlocking can be enabled, which can greatly contribute to improved reliability of the operation.

The power supply unit 410 provides power required for operation, for example, the fingerprint recognition unit 360, the wireless communication unit 370, the control unit 380, the memory unit 381, the operation unit 382, and the locking unit 390. Rather, the power supply for the operation of the first and second load cells 431 and 432 and the alarm speaker 440, which will be described later, is provided by a transformer. For example, the power supply unit 410 may be supplied with a power source of a battery or a rechargeable battery installed in the outer lever 310, the inner lever 320, the outer fixing member 350 or the like, or a power source of a room from a cable to supply power for operation. Can be configured.

5, 8, and 9, the first and second load cells 431 and 432 may be installed in the guide rail 393, and an alarm speaker may be installed in the installation space 352 of the outer fixing member 350. 440 may be installed to output an alarm sound. The first and second load cells 431 and 432 are guided to receive the force applied to the locking piece 392 from the outer lever 310 during the bidirectional rotation operation of the outer lever 310 locked by the locking piece 392. Both sides of the rail 393 may be installed to contact the locking pieces 392, respectively.

The alarm speaker 440 is fixed in the external fixing member 350 to receive the alarm signal of the control unit 380 and output the alarm sound, and to the outside through a speaker hole (not shown) provided in the external fixing member 350. You can output the alarm sound. When the alarm sound is forced to open the room door 500 in an abnormal way, the alarm sound is output to the outside, thereby not only serves to suppress the opening of the forced room door 500, but also It also serves to prevent damage to parts such as door locks. In addition, the controller 380 receives the load measured by the first or second load cells 431 and 432, and determines that an excessive force is applied to the outer lever 310 in a locked state when the load exceeds a set value. An alarm signal may be output to operate the alarm speaker 440.

According to the security room door having a smart door lock applied to the room of the public use space according to the present invention, only the person who is authenticated to the room used as a private space in the guest room or share house, and the like through the fingerprint registration In addition, it has the optimized function and operation, thereby preventing the occurrence of crime in advance to enable safe public use, as well as excellent security features to meet the protection of privacy and property. .

In addition, according to the present invention, by setting the validity period to receive and use the access fingerprint information provided from the authorized party consumer, it is possible to increase the ease of use and increase the trust between the consumer and the operator.

As described above with reference to the accompanying drawings, the present invention, of course, various modifications and variations can be made within the scope without departing from the spirit of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

310: outer lever 311: cover
312: accommodation space 313: insertion groove
314: engaging hole 315: hook
316: electrode 320: inner lever
321: inner fixing member 330: latch assembly
331: latch 332: fixed plate
340: latch operation portion 350: outer fixing member
351: shaft coupling portion 352: installation space
353: fixed part 360: fingerprint recognition unit
370: wireless communication unit 380: control unit
381: memory unit 382: operation unit
390: locking part 391: locking part
391a: Hanging groove 392: Locking piece
392a: Jamming protrusion 393: Guide rail
393a: guide protrusion 394: link portion
394a: first link member 394b: second link member
394c: first hinge coupling portion 394d: second hinge coupling portion
395: movable shaft 396: first solenoid actuator
397: second solenoid actuator 410: power supply
420: USB connector 431: first load cell
432: second load cell 440: alarm speaker
500: room door 510: side
520: opening 600: battery
710: operator's terminal 720: consumer's terminal

Claims (5)

The door lock is provided with a latch assembly for protruding and inserting a latch for locking on the side of the room door by the operation of the latch operation unit by the rotation of the outer lever and the inner lever which are rotatably provided on the outside and the inside of the room door. In the security room door installed,
The door lock,
An outer fixing member rotatably installed on the outer lever and provided on an outer surface of the room door;
A fingerprint recognition unit provided to recognize the fingerprint on the outer lever or the outer fixing member;
A wireless communication unit provided to perform communication wirelessly;
The fingerprint recognition unit recognizes the fingerprint recognition unit and access permission fingerprint information, and the validity period of the access permission fingerprint information registered by the operation unit installed on the outer fixing member to receive the information by the operation is provided, or connected through the wireless communication unit Receiving access valid fingerprint information and access valid fingerprint information from the terminal which has been authenticated, the fingerprint information recognized by the fingerprint recognition unit coincides with the access permission fingerprint information, and the timing of the matching is valid. A control unit for controlling to output an open signal when the period is within a period, and providing an access record to a terminal of an operator connected through the wireless communication unit;
A memory unit which stores the access permission fingerprint information, the expiration date, and the access record and provides them at the request of the controller;
A locking part configured to maintain the locked state by suppressing rotation of the outer lever from the outer fixing member and to release the locking by receiving the open signal of the controller so that the outer lever can rotate from the outer fixing member; And
A power supply unit providing power for operation;
Including,
The locking unit,
A locking portion provided integrally with a side portion of a portion inserted into the outer fixing member from the outer lever and having a plurality of locking grooves formed along an outer surface thereof;
A locking piece which is formed to be in surface contact with the outer surface of the locking part, and has a locking protrusion formed to be inserted into and engaged in each of the locking grooves;
A guide rail formed inside the outer fixing member such that the locking piece is slidable in a rotational radial direction of the outer lever, and supporting the locking piece to suppress rotation of the outer lever when the locking piece is caught by the locking portion;
The first and second link members hinged to the inner side of the locking piece and the outer fixing member are hinged to each other by a second hinge coupler, respectively, wherein the second link member is Is coupled to the reciprocating movement in the longitudinal direction from the second hinge coupling portion, the first and second link members are provided in plurality in a direction orthogonal to the rotational radial direction, the first and second link members are unfolded A link part configured to reciprocate and lock or separate the locking piece by being folded over; And
Each of the second hinge coupling portions of the link portion is rotatably coupled in a longitudinal direction and provided at both ends of the movable shaft that are placed in a direction orthogonal to the rotational radial direction, respectively, and installed inside the outer fixing member. A first and a second solenoid actuator controlled by the control unit to fold and move the movable shaft by reciprocating movements of the first and second link members, respectively;
Security room door having a smart door lock applied to the room of the public use space, including. The method according to claim 1,
The control unit,
When the operator's terminal performs user registration by communicating with the consumer's terminal, when the operator's terminal provides the user's fingerprint information and the period of use provided from the authenticated consumer's terminal, the access is allowed. A security room door having a smart door lock applied to a room of a public use space, each of which is used as fingerprint information and the expiration date. delete The method according to claim 1,
In the bidirectional rotation operation of the outer lever locked by the locking piece, the first and the first to be installed to contact the locking piece on both sides of the guide rail so as to receive the force applied to the locking piece from the outer lever, respectively; 2 load cells; And
And receiving an alarm signal of the control unit and outputting an alarm sound.
The control unit,
Public use, which receives the load measured by the first or second load cell, outputs the alarm signal by determining that excessive force is applied to the outer lever in a locked state when the load exceeds a set value. Security room door with smart door lock applied to room of space. The method according to any one of claims 1 to 2, 4,
The outer lever is
A security room door having a smart door lock applied to a room of a public use space, in which a USB connector for connecting a power cable is provided to supply power for operation instead of the power supply by the power supply unit.

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