KR20030006042A - Digital door locker - Google Patents

Abstract

PURPOSE: A digital door locker with a digital switch is provided to reduce power consumption and be operated at a low voltage. CONSTITUTION: An outdoor shaft(13) is connected to an outdoor handle(11). An indoor shaft(93) is connected to an indoor handle(91). A detent(40) transfers a rotation of the outdoor shaft(13) to the indoor shaft(93). A wheel(20) is fixed to the outdoor shaft(13). A power generation motor(35) is rotatively connected to the wheel(20) through the second rotation transfer gear(31). The power generation motor(35) generates a power by a rotation of the outdoor shaft(13). The wheel(20), the power generation motor(35), and the detent(40) are received in an external chassis(10), and are fixed to an outside of a door(1). An internal chassis(90) is fixed to an inside of the door(1). The door(1) is located between the internal chassis(90) and the external chassis(10). The indoor shaft(93) is wrapped in a case(9).

Description

Electric door locker including a digital switching means {Digital door locker}

The present invention relates to an electrically operated door lock device for releasing a lock function by receiving a signal input through a keypad, and more particularly, to an electrically operated door lock device that can be operated stably by a low-voltage power supply with low power consumption. It is about.

Safes, front doors or car doors are equipped with locks to prevent unauthorized access. The conventional lock has a key that fits the lock so that the person with the key inserts and rotates the key in the slit of the lock, thereby locking and unlocking the lock. However, a lock operated by such a key may cause the key to be lost, and if a key is lost, a person cannot enter or exit the key.

In order to compensate for these disadvantages, an electrically operated door lock has been developed. The electrically operated door lock includes a keypad, and the lock is unlocked according to an electrical signal input through the keypad. Therefore, such an electrically operated door locking device can be unlocked without a key, thereby compensating for the disadvantages of the conventional key locking device. On the other hand, the locking function of the electrically operated door lock device is made in a variety of ways, such as by operating the lock switch to perform the lock function, the method of locking by operating the lock lever, and the method of automatically locking when the door is closed. .

However, the locking and unlocking of such an electrically operated door lock is performed by an electric drive device which is turned on and off by a recognition means such as a password entered on a keypad.

Power to be supplied to such an electric drive device is generally supplied via a feeder line, and in the event of a power failure, locking and unlocking of the locking device becomes impossible. Some electrically operated door locks include a battery or a self-generator as a power source for such an emergency. However, since the capacity of these batteries and self-generators is very small, the electric drive is required to operate at low voltage and low power consumption.

Nevertheless, such an electric drive must not only stably lock and unlock the locking device, but also must not be easily damaged by intentional shock from the outside, and must have little wear due to use.

In other words, there is a conflicting demand that the locking and releasing means of the electrically operated door lock have a low power consumption, stable locking and releasing while operating at low voltage, and strong durability.

The present invention is proposed to solve the problems of the prior art as described above, to provide an electrically operated door locking device having a low power consumption and a locking and releasing means capable of operating stably at low voltage.

It is also an object of the present invention to provide an electrically operated door lock having an emergency power supply sufficient to activate such locking and releasing means.

1 is a perspective view of a door in which an electrically operated door locking device is installed in accordance with one embodiment of the present invention;

2 is a cross-sectional view of the electrically operated door lock shown in FIG.

Figure 3 is a front sectional view of the electrically operated door lock shown in Figure 1,

Figure 4 is an exploded perspective view of the wheel and the indoor shaft and the outdoor shaft of the electrically operated door locking device shown in FIG.

♠ Explanation of symbols on the main parts of the drawing ♠

1: Door 10: Outer chassis

11: outdoor handle 15: keypad

20: wheel 25: cylinder

35: power generation motor 40: stop

50: motor 70: control unit

90: inner chassis 93: indoor shaft

According to the present invention for achieving the object as described above, a fixed chassis configured to be fixedly installed on the door, an axis rotatably assembled with respect to the fixed chassis, the door lock position and locking as the shaft rotates A door latch moving between a release position, a cylinder assembled to be rotatable with respect to the fixed chassis while being covered with an end of the shaft, a groove formed at an end of the shaft inserted into the cylinder, and a stop provided with the cylinder; And an electric drive device configured to insert or draw the stop into a groove formed in the shaft, and switching means for supplying electricity to the electric drive device, wherein the stop is rotated when the stop is inserted into the groove. And the shaft rotates at the same time, when the stop is drawn from the groove Wherein the rotation axis is not configured electrically powered door lock is provided even when the rotating group cylinder.

Preferably, the stop screw comprises a male screw coupled to a screw hole formed in the wall of the cylinder, wherein the electric drive device includes a motor and a reduction gear device for transmitting a rotational motion of the motor to the male screw. According to the rotation direction of the stop is configured to be inserted or drawn into the groove of the shaft.

In addition, the present invention preferably further includes a generator and an electric mechanism for transmitting the rotational motion of the cylinder to the generator.

The transmission mechanism is composed of a gear train including a gear attached to the cylinder and rotating with the cylinder.

Preferably, the switching means is a keypad, an image recognition device, or a fingerprint recognition device which operates by inputting a digital password.

The door lock additionally includes a handle for rotating the shaft.

More preferably the door lock additionally includes a handle for rotating the cylinder.

The inside of the cylinder is provided with a sensor for detecting whether the groove of the shaft and the position of the stop coincides, the sensor is an optical sensor, a micro contact switch or a hall sensor.

In the following, with reference to the accompanying drawings a preferred embodiment of the electrically operated door locking device according to the present invention will be described in detail.

1 is a perspective view of a door in which an electrically operated door lock device is installed in accordance with an embodiment of the present invention, FIG. 2 is a cross-sectional view of the electrically operated door lock device shown in FIG. 1, and FIG. 4 is a front cross-sectional view of the electrically operated door lock shown in FIG. 4, which is an exploded perspective view of the wheel and the indoor and outdoor axes of the electrically operated door lock shown in FIG. 1.

As shown in Figure 1 and 2, the electrically operated door lock device 100 is connected to the outdoor handle 11 of the rectangular outdoor shaft to rotate, the outdoor shaft 13 and the relative rotation is It is possible to have a square indoor shaft 93, which is connected to the indoor handle 91 and rotates. In addition, the stop shaft 40 may be connected to the indoor shaft 93 and the outdoor shaft 13 to transmit the rotation of the outdoor shaft 13 to the indoor shaft 93, and the wheel 20 may be disposed on the outdoor shaft 13. The fixed and the generating motor 35 is rotatably connected to the wheel 20 via the second rotational transmission gear (31). Therefore, the power generation motor 35 is generated by the rotation of the external shaft 13.

In addition, the wheel 20, the power motor 35, and the stop 40 are accommodated in the outer chassis 10 provided with the keypad 15 and are fixed to the outer surface of the door 1, The inner chassis 90 is fixed to the inner side. The door 1 is positioned between the inner chassis 90 and the outer chassis 10, and the inner shaft 93 penetrates the inner chassis 90 and the door 1 to accommodate the wheels accommodated in the outer chassis 10. 20) is inserted in the center.

On the other hand, the case 9 surrounds the interior shaft 93 located inside the door 1, and a general door latch 7 penetrating the case 9 is fastened to the interior shaft 93. The door latch 7 is operated by the rotation of the indoor shaft 93 and protrudes toward the side of the door 1 so that the door 1 is closed when the door latch 7 is inserted into the groove (not shown) of the door frame 3. Keep it. Therefore, in the embodiment, the electrically operated door locking device 100 locks and unlocks the door latch 7 according to whether the indoor handle 91 is rotated, and the outdoor shaft 13 and the indoor shaft. When the stop 40 positioned vertically with respect to the 93 is not connected to the outdoor shaft 13 and the indoor shaft 93, even if the outdoor handle 11 is rotated, the door latch 7 does not operate. Only when the outdoor shaft 13 and the indoor shaft 93 are connected to the 40, the outdoor handle 11 may be rotated to open the door 1.

Therefore, when the serial number corresponding to the password of the serial number stored in the control unit 70 of the electrically operated door lock device 100 is sequentially input through the keypad 15, the stop 40 is stopped on the outdoor shaft 13. Door (1) can be opened by rotating the outdoor handle (11) by connecting the internal shaft (93) and the indoor shaft (93). Since the shaft 13 and the indoor shaft 93 are not connected, the door 1 cannot be opened even when the outdoor handle 11 is rotated.

Hereinafter, the components of the electrically operated door locking device according to an embodiment of the present invention and the organic coupling relationship between the components will be described in more detail.

As shown in FIGS. 2 to 4, the outdoor shaft 13 is fixed by the fixing bolt 18 to the front of the wheel 20 located inside the outer chassis 10 through the outer chassis 10. . Such a wheel 20 has a tooth 22 along its circumference, a cylindrical cylinder 25 is formed at the center of the back of the wheel 20, the end of the interior shaft 93 in the cylinder 25 Is inserted, the end of the indoor shaft 93 is inserted into the cylinder 25 has the shape of a cylinder. Then, a threaded hole 27 is formed around the cylinder 25, and the bolt-shaped stop 40 is fastened to the threaded hole 27. Therefore, the stop 40 is located in the vertical direction with respect to the outdoor shaft 13 and the indoor shaft 93, the stop 40 is rotated to move through the interior of the cylinder 25, the through hole ( 98).

A first drive gear 42, which is a spur gear, is formed at the rear end of the stop 40, and the tooth width of the first drive gear 42 is formed in the longitudinal direction of the stop 40. The first rotational transmission gear 52, which is a spur gear, meshes with the first driving gear 42 on the upper portion of the first driving gear 42 of the stop 40, and the first rotational transmission gear 52 is a speed reduction device. Is connected to the installed motor 50. Therefore, the first rotational transmission gear 52 and the first drive gear 42 of the stop 40 rotate by the forward rotation of the motor 50, and the stop 40 by the rotation of the first drive gear 42. Rotates into the cylinder 25 through the threaded hole 27 of the cylinder 25. On the contrary, when the motor 50 rotates in reverse, the stop 40 is drawn out while rotating outward in the cylinder 25. The motor 50 is fixed by the bracket 53 fastened to the cylinder 25.

On the other hand, a neck (95) is formed along the circumference of the indoor shaft (93) at the end of the indoor shaft (93), and the through hole (98) in the radial direction of the indoor shaft (93) inside the neck (95). Is formed, and the end of this indoor shaft (93) is inserted and positioned inside the cylinder (25). Therefore, when the motor 50 rotates forward while the through hole 98 and the stop 40 of the indoor shaft 93 face each other, the stop 40 is inserted into the through hole 98 of the indoor shaft 93. And the indoor shaft 93 and the cylinder 25 are connected by the stop 40 to rotate together. When the motor 50 rotates in reverse, the stop 40 is pulled out of the through hole 98 of the indoor shaft 93. The interior shaft 93 is free to rotate relative to the interior of the cylinder (25).

The optical sensor 80 is installed on the inner surface of the cylinder 25 in which the neck 95 of the indoor shaft 93 is located. The position of the optical sensor 80 is located in the opposite direction of the stop 40, the optical sensor 80 measures the position of the through-hole 98 of the indoor shaft 93 by stopping the through-hole 98 and stop ( The position of 40) is accurately detected.

On the other hand, the indoor shaft (93) and the outdoor shaft (13) is the inner and outer chassis (90, 10) is the outdoor handle 11 and the indoor handle 91 in the state that no external force is applied by the coil spring (not shown) ), And the through hole 98 of the indoor shaft 93 at this time is in a state exactly facing the stop 40.

Then, the gear 22 formed along the circumference of the wheel 20 is engaged with the second rotational transmission gear 31 located on the side, the second rotational transmission gear 31 is fixed to the rotation axis of the power motor 35 Meshes with the second drive gear 33. Accordingly, the rotation of the wheel 20 rotates the second drive gear 33 through the second rotational transmission gear 31, and generates power while the rotation shaft of the power generation motor 35 rotates. The power thus generated is charged in the rechargeable battery 38.

On the other hand, the control unit 70 for controlling the electrically operated door locking device 100 according to this embodiment is installed inside the inner chassis (90). The controller 70 determines whether the serial number input through the keypad 15 matches the serial number of the password stored in the memory unit, and if it matches, rotates the motor 50 using the power of the rechargeable battery 38. However, the control unit 70 receives the electric signal input from the optical sensor 80, that is, the electric signal indicating that the through hole 98 of the indoor shaft 93 and the stop 40 face each other. Drive. This is when the stop 40 is moved toward the end of the indoor shaft 93 in a state where the through hole 98 and the stop 40 of the indoor shaft 93 do not face each other. This is because the motor 50 is overloaded because it is not inserted into the motor 50, which causes a failure.

The operation relationship of the electrically operated door lock device configured as described above will be described in detail.

When the insider rotates the indoor handle 91 to go from indoor to outdoor, the door latch 7 fastened to the door frame 3 moves inside the door 1 while the indoor shaft 93 rotates. In this state, the door 1 may be opened and exited, and when the door 1 is closed, the door latch 7 is fastened to the door frame 3 again.

On the other hand, when the outside handle 11 is rotated without entering or incorrectly inputting an input number to open the door 1 from the outside, the stopper 40 rotates the cylinder 25 of the wheel 20 and the indoor shaft 93. Since it is not connected, the cylinder 25 of the wheel 20 and the indoor shaft 93 can be rotated relative to each other so that the rotation of the outdoor handle 11 is not transmitted to the indoor shaft 93. Only the relative rotation, the door latch 7 is not unlocked from the door frame 3 will not be able to open the door (1).

On the other hand, when an accessor enters the correct serial number through the keypad 15, the controller 70 determines whether the stored serial number and the input serial number match, and if so, drives the motor 50. The stop 40 is inserted into the through hole 98 of the indoor shaft 93 by the screw hole 27 of the cylinder 25 by the rotation of the motor 50. As described above, when the stop 40 is connected to the cylinder 25 and the indoor shaft 93, when the outdoor handle 11 rotates, the rotation of the outdoor handle 11 is stopped by the stop 40. Is passed). Therefore, while the interior shaft 93 rotates, the door latch 7 is moved inward of the door 1 to unlock the door 1 and the door frame 3.

On the other hand, when the person is out for a long time, the power of the rechargeable battery 38 is discharged, even if the correct serial number is entered, the motor 50 is not driven. At this time, when the outsider rotates the outdoor handle 11 a plurality of times, the wheel 20 fixed to the outdoor shaft 13 is driven in accordance with the rotation of the outdoor shaft 13 to drive the rotating shaft of the power motor 35, Power generated by the driving of the power generation motor 35 is stored in the rechargeable battery 38, and the motor 50 is driven using the generated power to release the lock.

In the electrically operated door lock device 100 of this embodiment described above, it is possible to determine whether or not the through hole 98 of the indoor shaft 93 and the stop 40 fastened to the cylinder 25 face each other accurately. Although it has been described that the sensor 80 detects it, a micro contact switch or a hall sensor may be used instead of the optical sensor 80 to detect whether the through hole 98 and the stop 40 of the indoor shaft 93 face each other. .

In addition, in the electric door lock device 100 of the present embodiment described above, it is described that the accessor is authenticated according to whether or not the serial number input through the keypad 15 is correct, but is not limited thereto. An image recognition device may be installed to authenticate the person by determining whether the captured image and the stored image match each other, and a fingerprint recognition device may be installed to scan the person's fingerprint to authenticate the person.

As described above in detail, the electrically operated door locking device of the present invention has an advantage in that even if the rechargeable battery in the locking device is discharged, power can be restored to restore the function of the locking device.

Although the technical idea of the electrically operated door locking device of the present invention has been described above with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention. In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (11)

A fixed chassis configured to be fixed to the door, An axis rotatably assembled with respect to the fixed chassis; A door latch moving between the door locking position and the unlocking position as the shaft rotates, A cylinder assembled to be rotatable relative to the fixed chassis while being covered at an end of the shaft; A groove formed at an end of the shaft inserted into the cylinder, A stop provided in the cylinder, An electric drive configured to insert or pull the stop into a groove formed in the shaft; Switching means for supplying electricity to the electric drive device, And when the cylinder is rotated when the stop is inserted into the groove, the shaft also rotates at the same time. When the stop is drawn out of the groove, the shaft does not rotate even when the cylinder is rotated. Device. The method of claim 1, And a male screw coupled to a screw hole formed in the wall of the cylinder, wherein the electric drive device includes a motor and a reduction gear device for transmitting a rotational motion of the motor to the male screw. And the stop is inserted or drawn into the groove of the shaft according to the rotational direction of the external thread. The method according to claim 1 or 2, And an electric mechanism for transmitting the generator and the rotational movement of the cylinder to the generator. The method of claim 3, wherein And the electric mechanism is attached to the cylinder and comprises a gear train including a gear that rotates together with the cylinder. The method according to claim 1 or 2, The switching means is an electrically operated door lock device characterized in that it comprises a keypad for operating by inputting a digital password. The method of claim 3, wherein The switching means is an electrically operated door lock device characterized in that it comprises a keypad for operating by inputting a digital password. The method according to claim 1 or 2, And said switching means comprises an image recognition device. The method according to claim 1 or 2, The switching means is an electrically operated door locking device, characterized in that it comprises a fingerprint recognition device. The method according to claim 1 or 2, And the door lock further comprises a handle for rotating the shaft. The method of claim 9, And the door lock further comprises a handle for rotating the cylinder. The method according to claim 1 or 2, The inside of the cylinder is provided with a sensor for detecting whether the groove of the shaft and the position of the stop is matched, the sensor is an electrically operated door locking device, characterized in that the sensor, a micro contact switch or a hall sensor.