KR19990078481A - Wireless door lock - Google Patents

Abstract

The present invention discloses a wireless door lock that greatly improves security by allowing a door to be opened and closed easily using a frequency type wireless transmitter to be used as a key and providing a security and alarm device. The disclosed wireless door lock includes a lock body body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; A control unit controlling driving of the motor in response to a signal from an external device; And a transmitter for wirelessly transmitting a lock / release signal of the door to the controller. The control unit includes a power supply unit having a charging unit at one end of a microcomputer in which a unique password is stored, a wireless receiving unit receiving a lock / unlock signal of a door sent from a transmitter and outputting the received signal to the microcomputer, and a lock / unlock signal of the door from the microcomputer. It is configured to connect the motor drive unit for driving the motor forward and reverse rotation so as to receive or lock the door. The transmitter is configured by connecting a power supply unit, a power supply control unit, a first switch unit, a second switch unit, a wireless transmitter, and a light emitting diode driver to one end of a microcomputer in which a password corresponding to a unique password of a controller is stored. do. Such a wireless door lock can easily open and close the door using a transmitter (remote control). It also improves security because the door lock is not exposed to the outside and the door lock cannot be unlocked by any means other than the transmitter.

Description

Wireless door lock

The present invention relates to a locking device installed in a door of an apartment, a general house, an office, a shopping mall, and the like. Specifically, the door is easily opened and closed by using a wireless transmitter of a frequency type to be used as a key. The present invention relates to a wireless door lock in which a device is greatly improved by providing a device.

Conventional door locks use mostly metal keys and require a key insert to be exposed to the outside. Therefore, the unauthorized access to the exposed key insertion hole using a so-called universal key is often generated, the security is inferior, there is a fear of damage by the forced insertion of foreign objects and excessive forced operation.

On the other hand, there is a door lock that opens and closes the door if the recognition of the fingerprint or pupil characteristics that are different for each person without a key and match, or if the input password is matched by attaching a keypad to the door lock. However, these door locks do not carry and use keys, so there is no need for key insertion holes, no imitation or duplication of keys, and improved security. Complicated and expensive, there is a high risk of malfunction, and the unauthorized access unauthorized persons cannot enter and exit alone. In addition, when the keypad is attached to the door lock, the keypad is exposed to the outside, which may cause damage, and there may be a risk of unauthorized operation by the intruder. . In addition, if there is an entrance to the milk or newspaper in the front door, there was a problem such as opening the door by inserting the operation means through the opening and then operating the locking device.

The present invention has been made in order to solve the above problems, by incorporating the wireless transmission and reception device and the microcomputer in the door lock device can be opened and closed the door safely under the control of the microcomputer, and whether the installation of the lock device from the outside Its purpose is to provide a secure wireless door lock that cannot be secured.

Another object of the present invention is to provide a wireless door lock which is almost impossible to be unlocked by a method other than a frequency transmitter which is carried in place of a key.

Still another object of the present invention is to provide a wireless door lock capable of preventing unauthorized unlocking and intrusion by an intruder by sounding an alarm when an external shock and power supply are cut off.

It is still another object of the present invention to provide a wireless door lock having a personal hazard warning function that can notify the outside of a personal hazard by an unauthorized intruder or the like.

Still another object of the present invention is to provide a wireless door lock having an emergency battery capacity sensing and charging function.

Another object of the present invention is to provide a wireless door lock having a message output function.

1A and 1B illustrate a door in which a wireless door lock is installed according to an embodiment of the present invention, where 1a represents an indoor side and 1b represents an outdoor side.

Figure 2 is an exploded perspective view showing a locking device of the wireless door lock according to an embodiment of the present invention.

3A and 3B are assembled rear views of the locking device shown in Fig. 2, where 3a represents a locked state and 3b represents an unlocked state, respectively.

Figure 4 is a block diagram showing the configuration of the receiver of the wireless door lock according to an embodiment of the present invention.

Figure 5 is a block diagram showing the configuration of the transmitter of the wireless door lock according to an embodiment of the present invention.

6 is an operation flowchart of a wireless door lock according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1; door 3; lock

4; shock detection sensor 5; alarm siren

6; transmitter 10; lock body

11,11 '; Body hole 12; Lock slider

12d; Feed bar 12g; Position fixing groove

14; rack gear 15; second rack gear

16; rotary arm 17; manual knob

18; position fixing ball 21; motor

22; pinion 24; first gear

25; rotating member 25a; second gear

26; contact piece 27; battery

31; power supply unit (adapter) 32; first microcomputer

33; Wireless receiver 34; motor driver

35; buzzer drive unit 36; impact sensor unit

37; siren driving unit 38; message storage unit

39; password storage unit 40; password input switching unit

41,59; reset part 42,58; oscillation part

43; charging unit 44; battery detection unit

51; second microcomputer 52; power supply unit

53; power control unit 54; first switch unit

55; second switch 56; wireless transmitter

57; light emitting diode driving unit

Wireless door lock according to the present invention for achieving the above object, the locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; A control unit controlling driving of the motor in response to a signal from an external device; And a transmitter for wirelessly transmitting a lock / release signal of the door to the controller.

The control unit may include a power supply unit having a charging unit at one end of a microcomputer in which a unique password is stored, a wireless receiving unit receiving a lock / unlock signal of a door sent from a transmitter, and outputting the received signal to the microcomputer; It is configured to connect the motor drive unit for driving the motor forward and reverse rotation so as to receive the release signal to lock or unlock the door.

In addition, the transmitter connects a power supply unit, a power supply control unit, a first switch unit, a second switch unit, a wireless transmitter, and a light emitting diode driver to one end of a microcomputer in which a password corresponding to a unique password of the controller is stored. It is configured by.

According to a preferred embodiment of the present invention, the wireless door lock comprises: a locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; And a motor driving unit configured to receive the lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door.

In accordance with another preferred embodiment of the present invention, the wireless door lock comprises: a lock body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; And a buzzer driving unit which makes a confirmation buzzer sound when the door is opened and closed.

According to another preferred embodiment of the present invention, the wireless door lock, the locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; A buzzer driving unit which makes a confirmation buzzer sound when the door is opened and closed; Shock sensor unit for detecting the impact of the door and the power off; And a siren driving unit configured to generate an alarm sound upon input of setting data by the impact sensor unit.

According to another preferred embodiment of the present invention, the wireless door lock, the locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; A buzzer driving unit which makes a confirmation buzzer sound when the door is opened and closed; Shock sensor unit for detecting the impact of the door and the power off; A siren driver configured to generate an alarm sound when the setting data is input by the impact sensor unit; And a message storage unit for outputting a greeting and the like when entering.

According to another preferred embodiment of the present invention, the wireless door lock, the locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; A buzzer driving unit which makes a confirmation buzzer sound when the door is opened and closed; Shock sensor unit for detecting the impact of the door and the power off; A siren driver configured to generate an alarm sound when the setting data is input by the impact sensor unit; Message storage unit for outputting greetings, etc. when entering and exiting; Password storage unit for storing the unique password of the microcomputer; And a password input switching unit for changing the password.

The wireless door lock according to the present invention as described above can easily open and close the door by operating the first switch and / or the second switch of the transmitter.

Then, for example, by pressing the first switch and the second switch simultaneously for 2 seconds, it can be switched to the shock detection mode to generate an alarm sound when the shock for the door release from the outside. Unauthorized intruders can be blocked in advance. The shock detection mode can be canceled by pressing the first and second switches simultaneously for 2 seconds.

In addition, the wireless door lock of the present invention continues to press the first switch for 1 second or more, and continues to sound until the alarm sounds. Therefore, when a child or an elderly person feels at risk, they can use this function to get help. This function can be terminated by pressing any of the first and / or second switches.

In addition, the wireless door lock of the present invention, when the door is opened and closed, a confirmation sound is generated, and if the message output function is set, you can output a message such as a greeting every time the door is opened and closed. In addition, by employing an emergency battery, not only can it prepare for a power failure, but also detect and notify the voltage drop of the battery, and when the voltage of the battery drops below the reference value, it can be used conveniently because it automatically charges.

Best Mode for Carrying Out the Invention Preferred embodiments of the present invention will now be described based on the accompanying drawings.

1A and 1B are diagrams illustrating a door in which a wireless door lock is installed according to an embodiment of the present invention, where 1a represents an indoor side and 1b represents an outdoor side. And, Figure 2 is an exploded perspective view showing a lock of the wireless door lock according to an embodiment of the present invention, Figures 3a and 3b is an assembled state rear view of the lock shown in Figure 2, 3a is a locked state, 3b Indicates the unlocked state, respectively. 4 is a block diagram showing the configuration of the receiver of the wireless door lock according to an embodiment of the present invention, Figure 5 is a block diagram showing the configuration of the transmitter of the wireless door lock according to an embodiment of the present invention, Figure 6 Is an operational flowchart of the wireless door lock according to an embodiment of the present invention.

1A and 1B, reference numeral 1 is a door, 2 is a latch, 3 is a lock, 4 is a shock sensor, 5 is an alarm siren, and 6 is a transmitter (remote control).

As shown, the locking device 3 is mounted on one inner side of the door 1. The locking device 3 locks or unlocks the door 1 by a frequency signal transmitted from the transmitter 6. Therefore, since there is no keyhole or the like when viewed from the outside of the door 1, the installation position of the locking device 3 cannot be confirmed, so it is almost impossible to release the locking device 3 by any method other than the transmitter 6. . Here, the shock sensor 4, the alarm siren 5 and the transmitter 6 will be described later.

As shown in FIG. 2, a printed board (not shown) in which the control circuit is built is disposed in the body portion 10 of the locking device while being supported by the protective plate 8. In addition, one side of the body portion 10 has a through hole (11, 11 ') is formed, the locking slider 12 entering and exiting the through hole (11, 11') is moved inside the body portion (10). It is possibly installed.

The locking slider 12 is a locking portion (12a) (12b), and a guide bar (12c) extending rearward therefrom to the through holes (11) (11 ') of the body portion 10 and the guide bar (12c) The transfer bar 12d extending in parallel with the () is integrally formed. The locking slider 12 as described above is accommodated in the guide plate 13 attached to the guide bar 12c spaced apart from the bottom surface of the body portion 10 by a predetermined interval and moves in the left and right directions in the drawing. It is supposed to be. The guide plate 13 is fastened and fixed to the boss 10a protruding from the body portion 10 by a screw 13a.

In addition, the rack gear 14 is installed at the lower side of the transfer bar 12d of the lock slider 12 so as to move left and right, and the rack gear 14 is disposed at one side of the transfer bar 12d. Limiting jaw portion 12e for limiting the movement of the is provided.

In addition, a second rack gear 15 is machined on the upper surface of the extended portion 12f provided with the limiting jaw portion 12e. The rotary arm 16 has an arc-shaped gear portion 16a and is disposed on the body portion 10 so as to be engaged with the second rack gear 15, and a manual knob 17 on the shaft of the rotary arm 16. Is penetrated from the outside of the body portion 10 and coupled. Accordingly, when the manual knob 17 is rotated, the rotary arm 16 rotates, whereby the second rack gear of the lock slider 12 engaged with the arc-shaped gear portion 16a of the rotary arm 16 ( 15) is activated, and eventually the lock slider 12 moves in the left and right directions. As such, the locking device can be manually locked or unlocked indoors.

In addition, a pair of position fixing grooves 12g having a distance corresponding to the movement stroke of the lock slider 12 is formed on the opposite surface of the rack gear 14 installation portion of the transfer bar 12d. And the inner side of the guide plate 13 is provided so that the ball 18 is inserted into the position fixing groove 12g to be elastically supported to the support cup 19 to the outside under the intervening of the spring (20). As a result, the locking position and the unlocking position of the locking slider 12 are maintained.

On the other hand, the motor 21 is fixed and installed by the bracket 21a on one side of the body portion 10, the pinion 22 is coupled to the motor shaft 21. A first gear 24 meshing with the pinion 22 of the motor is provided on the shaft 23 protruding adjacent to the motor 21 mounting portion. The shaft 23 is provided with a rotating member 25 having a second gear 25a that meshes with the rack gear 14 of the lock slider 12. A protrusion 24b is provided on one side of the lower surface of the first gear 24, and a locking protrusion 25b is provided on one side of the upper surface of the rotating member 25. The protrusion 24b and the locking protrusion 25b are provided. ), The first gear 24 and the rotating member 25 are rotated together by the power of the motor 21. That is, when the motor 21 is driven, this power is applied to the rack gear of the lock slider 12 through the pinion 22 of the motor, the first gear 24 and the second gear 25a of the rotating member 25. 14), the lock slider 12 is moved accordingly. At this time, only the first gear 24 is idling for a predetermined time at the initial stage of starting when the motor 21 is rotated forward and reverse. The rotation member 25 rotates together with the first gear 24 from the point where the protrusion 24b of the first rotating gear 24 and the locking protrusion 25b of the rotating member 25 come into contact with each other. The lock slider 12 starts to move with a certain time difference after the motor is driven.

In the drawing, reference numeral 26 denotes a contact piece that contacts the end when the lock slider 12 is unlocked, and locks or unlocks the door by installing a proximity sensor or the like on the contact piece 26, for example. It can be checked externally. That is, it is possible to easily check the locking and / or unlocking state of the door in such a way that one confirmation sound is issued when the lock is made and two confirmation sounds are emitted when the lock is released, which will be described later. .

In the drawing, reference numeral 27 denotes a battery, and the motor 21 is driven by receiving power from the battery 27.

In the drawings, reference numeral 9 is a cover, 9a, 16a, and 22b are screws, and 10b and 10c are bosses.

On the other hand, the control circuit for driving the mechanism of the locking device configured as described above is, as shown in the control block diagram shown in Figures 4 and 5, the power supply unit 31, and the microcomputer 32 to collectively control the entire system and The wireless receiver 33 receives the lock / release signal of the door wirelessly transmitted from the transmitter 6 to the microcomputer 32, and receives the lock / release signal of the door from the microcomputer 32 to lock the door. In addition, the motor driving part 34 for driving the motor 21 forward and reverse to release the lock, the buzzer driving part 35 for confirming the buzzer sound when the door is opened and closed, and the shock and power cutoff of the door A shock sensor unit 36, a siren driver 37 for generating an alarm sound when inputting the setting data by the shock sensor unit 36, a message storage unit 38 for outputting a greeting or the like when entering and exiting, and Unique password of microcomputer 32 It includes a stored password storage section 39, a password input for switching the password changing unit 40 and a reset unit 41, an oscillating portion 42.

Here, the microcomputer 32 includes an EEPROM (not shown) in which a program is embedded, and generates a control signal in accordance with the program embedded in the EEPROM.

In addition, the power supply unit 31 has a charging unit 43 for charging the battery 27. The charging unit 43 senses the power supply voltage and automatically charges for 50 minutes in the circuit when the voltage drops below the reference value. Let's do it. In addition, the control unit of the present invention further includes a battery detecting unit 44 for notifying that the voltage of the battery is lowered by a buzzer sound whenever the switch of the transmitter 6 is operated when the voltage of the battery is detected to be 8V or less. have.

In addition, the wireless receiver 33 includes a detector 33a and a wireless unit 33b, and the motor driver 34 is not shown in detail, but in a typical example, a relay coil for driving a relay contact switch is shown. And the like.

The buzzer driving unit 35 generates a confirmation sound when the door is closed and opened, and generates a predetermined confirmation sound even when the low battery is detected, thereby allowing the visitor to easily check the open / closed state of the door.

In addition, the shock sensor unit 36 generates an alarm siren when data of the maximum value is input by comparing the value input from the shock sensor 4 with a reference value when the user switches to the shock detection mode. .

In addition, the siren driver 37 receives a signal from the microcomputer 32 to ring the alarm siren. For example, in the present invention, when an external shock or power supply is cut off or a user's operation is selected by the user's operation When it is a predetermined alarm sound.

In addition, the message storage unit 38 is for outputting a greeting or the like at the time of entry and exit, and may change the mood of the person.

Meanwhile, the transmitter 6 has a power supply 52, a power supply control unit 53, and a first switch unit 54 at one end of the second microcomputer 51 in which a password corresponding to the unique password of the microcomputer 32 is stored. ), A second switch section 55, a wireless transmitting section 56, a light emitting diode driving section 57, an oscillation section 58, and a reset section 59 are connected to each other.

Hereinafter, the effect of the wireless door lock according to the present invention having the configuration as described above will be described with reference to FIGS. 3A, 3B and 6.

When the transmitter 6 transmits a signal for locking and releasing the door to the radio receiver 33, the radio receiver 33 receives the control signal and outputs the control signal to the microcomputer 32. At this time, the microcomputer 32 outputs and controls signals to the motor driver 34, the buzzer driver 35, the siren driver 37, the message storage unit 38, and the body unit 10.

Specifically, when the transmitter sends a frequency signal containing a secret unique code to the wireless receiver 33 of the microcomputer 32, the wireless receiver 33 demodulates the signal and applies it to the microcomputer 32. The microcomputer 32 determines whether the input lock and unlock signal of the door is matched with the stored secret code of the built-in EEPROM, and then outputs a control signal to the motor driver 34 when the secret code matches. .

As the motor driving unit 34 operates and the motor 21 is driven, the locking slider 12 moves to lock or unlock the door.

For example, when the motor 21 rotates in the clockwise direction, the locking slider 12 moves to the left side to lock, as shown in FIG. 3A, and on the contrary, the motor 21 moves counterclockwise. When rotating, the lock slider 12 moves to the right as shown in FIG. 3B to release the door lock.

The locking and / or unlocking operation of the door locking device as described above is performed by a user (initiator) selectively operating the first and second switches 54 and 55 of the transmitter 6.

That is, when the first switch 54 of the transmitter 6 is operated, as shown in the operation flowchart of FIG. 6, the door closing operation is performed, and when the second switch 55 is operated, the door opening operation is performed. At this time, if a predetermined message is input, the stored message is output at the same time as the door opening operation.

Then, in the door closing operation and the door opening operation, if the alarm mode is set, the door closing and / or door opening operation is performed after the alarm sound is released.

Here, switching to the alarm mode, that is, selection of the alarm function is entered into the alarm mode by simultaneously pressing the first switch 54 and the second switch 55 of the transmitter for 2 seconds. This confirmation can be seen that the buzzer sounds once for 1 second long, and after 5 minutes it is switched to the sensing mode. The release can be performed by simultaneously pressing the first switch and the second switch in the same manner. When the alarm mode is selected, in order for the unauthorized intruder to unlock the door, a siren alarm sounds when the door is impacted by a tool or the like or when the power is cut off, thereby preventing the unauthorized intrusion in advance. Here, the siren alarm sound is operated for about 10 seconds, and this alarm function is automatically switched to the alarm mode for 5 minutes every door open and / or close operation.

In addition, according to the present invention, when the first switch of the transmitter is continuously pressed for 3 seconds or more, the danger notification function is selected, and the siren alarm sounds continuously until termination. Therefore, when a child or an elderly person feels dangerous by an intruder, it can be helped by using it. Its termination is terminated by pressing any of the first and second switches.

According to the wireless door lock of the present invention described above, not only the door can be opened and closed easily, but there is no risk of unauthorized intrusion, so that the safety of the home and the convenience of life can be pursued.

As described above, the wireless door lock according to the present invention can be opened and closed easily by operating the first switch and / or the second switch of the transmitter, and since the door lock is not exposed to the outside, The installation position of the door locking device is unknown, and furthermore, since the door lock cannot be unlocked by any method other than the transmitter of the present invention, a great effect in terms of security can be obtained.

In addition, the wireless door lock of the present invention, has a function to detect the impact of the door or the power cut, and accordingly the alarm sound when the setting data is input to the shock sensor. In addition, in the event of personal injury caused by unauthorized intruders from the outside, an alarm tone sounds when the first switch of the transmitter is kept pressed for 3 seconds or more. Therefore, the intrusion of unauthorized intruders can be prevented in advance, and children or the elderly can be protected safely.

In addition, the wireless door lock of the present invention, by using an emergency battery, not only can be prepared in case of power failure, but also detects and informs the voltage drop of the battery, and automatically charges when the voltage of the battery drops below the reference value Can be used.

In the above has been shown and described with respect to a preferred embodiment for implementing a wireless door lock according to the present invention, the present invention is not limited to the above-described embodiment, without departing from the gist of the invention claimed in the claims below Various modifications can be made by those skilled in the art to which the invention pertains, and such modifications are intended to fall within the scope of the claims.

Claims (20)

A locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; A control unit controlling driving of the motor in response to a signal from an external device; And And a transmitter for wirelessly transmitting a lock / release signal of the door to the control unit. The method of claim 1, wherein the control unit, A power supply unit having a charging unit at one end of a microcomputer in which a unique password is stored, a wireless receiver unit receiving a lock / unlock signal of a door sent from a transmitter and outputting it to the microcomputer, and receiving a lock / unlock signal of the door from the micom Wireless door lock, characterized in that for connecting the motor drive unit for driving the motor forward and reverse rotation to lock or unlock. The wireless door lock of claim 2, wherein the microcomputer further includes a buzzer driver which makes a confirmation buzzer sound when the door is opened and closed. The buzzer driver of claim 3, wherein the buzzer driver generates two buzzer sounds for 0.1 second after the motor is driven when the door is opened, and generates one buzzer sound for 0.1 second after the motor is closed when the door is closed. Wireless door lock. The wireless sensor of claim 2, wherein the microcomputer further includes an impact sensor unit for detecting an impact of a door and a power cut off, and a siren driving unit for generating an alarm sound when inputting setting data by the impact sensor unit. Door lock. The wireless door lock of claim 2, wherein a message storage unit is further connected to the microcomputer to output a greeting or the like upon entry. The wireless door lock of claim 2, wherein the microcomputer further includes a battery detector configured to detect and inform that the power supply voltage drops below a predetermined value. The wireless door lock according to any one of claims 2 to 8, wherein the microcomputer further includes a password storage unit and a password input switching unit for changing a password. The method of claim 1, wherein the transmitter A power supply unit, a power supply control unit, a first switch unit, a second switch unit, a wireless transmitter, and a light emitting diode driving unit are respectively connected to one end of the microcomputer in which a password matching the unique password of the controller is stored. Wireless door lock. The wireless door of claim 1, further comprising: means for maintaining the lock / unlock position of the lock slider, and a power relay means for transmitting the power of the motor to the rack gear of the lock slider with a predetermined time difference. rock. The method of claim 10, wherein the position holding means, First and second position fixing grooves formed on the opposite side of the rack gear installation portion of the lock slider with the same distance as the movement stroke of the lock slider; A guide plate slidably supporting the guide bar of the locking slider with respect to the body part; And Wireless door lock is installed in the guide plate, the support cup is installed to be elastically supported to the outside under the interposition of the spring in the support cup is selectively inserted into the first and second positioning grooves. The method of claim 10, wherein the power relay means, A first gear installed to be engaged with the pinion of the motor, and having a lower protrusion protruding downward from one side thereof; And It is installed coaxially with the first gear, the upper side is formed with a locking projection selectively contacting the projection of the first gear, the lower portion includes a rotating member having a second gear meshing with the rack gear of the lock slider, As a result, the rotating member starts to rotate from the time when the lower protrusion of the first gear that rotates with the driving of the motor contacts the locking protrusion of the rotating member, from which the power of the motor is transmitted to the lock slider. Wireless door lock. The rack gear of claim 11 or 12, wherein the rack gear is installed to flow from side to side with a certain amount of play with respect to the lock slider, and one side of the lock slider includes a limiting jaw for restricting the flow of the rack gear. Wireless door lock, characterized in that formed. 15. The body of claim 13, wherein a second rack gear is integrally machined to an extension of the lock slider opposite to the rack gear mounting portion, and a rotating arm having an arc-shaped gear portion engaged with the second rack gear is rotatable. It is installed, the manual knob through the shaft of the rotary arm is inserted from the outside of the body, the wireless door lock, characterized in that the door can be opened and closed manually in the room. A locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; And And a motor driving unit configured to receive the lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door. The power supply unit of claim 15, wherein the power supply unit includes an adapter for lowering household power to a required voltage, and an emergency battery power supply unit in case of power failure, and detects when the battery power supply voltage drops below a predetermined value so that a buzzer sounds. And a battery detecting unit and a charging unit configured to detect and automatically charge when the power supply voltage falls below a reference value. A locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; And Wireless door lock, characterized in that it comprises a buzzer driver for making a buzzer sound when the door is opened and closed. A locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; A buzzer driving unit which makes a buzzer sound when the door is opened and closed; Shock sensor unit for detecting the impact of the door and the power off; And And a siren driver for generating an alarm sound when the setting data is input by the impact sensor unit. A locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; A buzzer driving unit which makes a buzzer sound when the door is opened and closed; Shock sensor unit for detecting the impact of the door and the power off; A siren driver configured to generate an alarm sound when the setting data is input by the impact sensor unit; And Wireless door lock, characterized in that it comprises a message storage unit for outputting a greeting and the like when entering and exiting. A locking device body attached to the door; A locking slider for entering and exiting a through hole formed at a side of the body part; A motor having a pinion engaged with the rack gear provided in the lock slider; Power supply; A microcomputer to control the entire system as a whole; A transmitter for wirelessly transmitting a lock / release signal of the door; A wireless receiver configured to receive a lock / release signal of a door transmitted from a transmitter and output the received signal to the microcomputer; A motor driving unit configured to receive a lock / release signal of the door from the microcomputer to drive the motor forward and reverse to lock or unlock the door; A buzzer driving unit which makes a buzzer sound when the door is opened and closed; Shock sensor unit for detecting the impact of the door and the power off; A siren driver configured to generate an alarm sound when the setting data is input by the impact sensor unit; Message storage unit for outputting greetings, etc. when entering and exiting; Password storage unit for storing the unique password of the microcomputer; And Wireless door lock comprising a password input switching unit for changing the password.