KR100796275B1 - Anti-theft Device - Google Patents

Abstract

The present invention relates to an anti-theft device.

More specifically, the anti-theft device is installed on one side of the door including a locking means for locking / unlocking the door, the housing is formed in the form of a tube coupled to the locking means, and the locking means is locked When the key is turned on, the key is turned off when the lock is released, the stator magnet embedded in one side wall of the case, and when the door is closed, the moving magnet configured to face the stator magnet, And a permanent magnet switch coupled to the floating magnet to maintain the ON state when the door is opened, and facing the stationary magnet when the door is closed, which is turned OFF by a magnetic force, a power supply for supplying power, and the key switch and the permanent Theft including an alarm sound generator for generating an alarm sound when power is supplied from the power supply unit when the magnetic switch is turned ON It relates to a prevention device.

Description

Anti-theft Device {Stealing Preventation Apparatus}

1 is a perspective view of an anti-theft device according to an embodiment of the present invention.

Figure 2 is a sectional view from above of the anti-theft device according to an embodiment of the present invention.

Figure 3 is an internal circuit diagram of the anti-theft device according to an embodiment of the present invention.

*** Explanation of symbols for main parts of drawing ***

100: case 102: first hinge

104: second hinge 106: case groove

110: door 200: locking means

210: Bundle 220: Keyway

230: lock block 240: lock block groove

300: alarm generating means 310: housing

320: key switch 330: permanent magnet switch

340: stationary magnet 350: floating magnet

360: power supply unit 370: alarm sound generating unit

380: Capacitor 390: LED

The present invention relates to an anti-theft device.

More specifically, the present invention relates to an anti-theft device that is installed inside a case such as a locker or locker room to generate an alarm sound when theft occurs.

In general, a locking device installed in a locker room provided in a dressing room such as a public bath, a recreational facility, a golf course, a swimming pool, or a locker installed in a subway station or a library can be locked or unlocked by inserting a key. The key can be divided into a straight bow movement type and a hanger type.

However, anyone who has a lock in the form of the key can easily break the lock using a simple tool such as a screwdriver, and there is no danger of theft without an alarm or other additional notification device.

The present invention has been made to solve the above-mentioned problems, and an object thereof is to provide an anti-theft device that can not be easily damaged through an anti-theft device installed in the case.

It is also an object of the present invention to provide an anti-theft device to notify the theft situation when an actual theft occurs, by generating an alarm sound provided in the anti-theft device when the door is opened, to prevent theft accident in advance.

The anti-theft device of the present invention for achieving the above object,

An anti-theft device is installed on one side of a case and includes a locking means for locking / releasing the door, comprising: a housing formed in a tubular shape and coupled to the locking means; A key switch to be in an ON state when the locking means is locked and in an OFF state when the locking means is unlocked; A fixed magnet embedded in one side wall of the case; A floating magnet configured to face the stationary magnet when the door is closed; A permanent magnet switch coupled to the floating magnet to maintain an ON state when the door is opened, and facing the stationary magnet when the door is closed, thereby being turned OFF by a magnetic force; A power supply unit supplying power; When the key switch and the permanent magnet switch is turned on, it is achieved by providing an anti-theft device comprising an alarm sound generating unit for generating a sound by supplying power from the power supply.

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

1 is a perspective view of an anti-theft device according to an embodiment of the present invention.

In detail with reference to Figure 1,

As shown in FIG. 1, the anti-theft device includes a locking means 200 and an alarm generating means 300 installed at one side of the case 100.

The case 100 may include a lock step 200 that fixes one side by a hinge 102 and 104 to fix the closed door 110 to the case 100 by using a door 110 and a key rotated left and right. Can be. For example, it may be a locker room such as a public bath, a golf practice range, a sauna, a swimming pool changing room, or a locker such as a subway station or a reading room, but the present invention is not limited thereto.

The locking means 200 is installed to be fixed to one side of the door 110 as shown in Figure 1, the door 110 is locked so that the door 110 is not opened without a key using the key in the closed state 110 Or, the locked locking means 200 can be opened using a key.

The alarm generating means 300 is coupled to the locking means 200 installed on one side of the door 110, the door 110 is artificially opened by an external force without a key in a state in which the locking means 200 is locked. When opened, an alarm sounds from the alarm generating means 300.

Figure 2 is a cross-sectional view of the anti-theft device according to an embodiment of the present invention from above.

In detail with reference to Figure 2,

The locking means 200 may include a key bundle 210, a key groove 220, a lock block 230, a lock block groove 240.

The key bundle 210 is installed to penetrate the inside and the outside of the door 110 on one side of the door 110 to expose a portion to the outside of the door 110 to insert the key, the movement of the inserted key To be rotated according to

The key groove 220 is formed at the center of the front surface of the key bundle 210 exposed outside the door 110, and the shape of the key groove 220 is determined according to the shape of the inserted key. In addition, when the key is inserted into the keyway 220 and the key is turned, the key bundle 210 is rotated.

The locking block 230 is coupled to the back of the key bundle 210, when the key bundle 210 is rotated, is formed to slide left and right according to the rotated state.

The lock block groove 240 is a groove formed on one side of the lock block.

Referring to the operation process, the key is inserted into the key groove 220 formed in the front center of the key bundle 210 in the state in which the door 110 is closed. When the inserted key is turned, the key bundle 210 rotates, and the locking block 230 coupled to the rear of the key bundle 210 slides to the left to fit into the case groove 106 dug into the inner wall of the case 100. . The lock block 230 is fixed to the case groove 106 so that the door 110 may not be opened without a key.

Next, when the lock block 230 is fixed to the case groove 106, by inserting a key into the key groove 220 to rotate the key bundle 210, the lock block 230 slides to the right. When the lock block 230 is completely out of the case groove 106, the door 110 can be opened.

The alarm generating means 300 is a housing 310, a key switch 320, a permanent magnet switch 330, a fixed magnet 340, a floating magnet 350, a power supply unit 360, an alarm sound generating unit 370 , A condenser 380, and an LED (light emitting diode) 390.

The housing 310 is formed in a rectangular tube shape is coupled to the locking means 200, as shown in Figure 2, the key switch 320, permanent magnet switch 330, the floating magnet 350, The power supply unit 360 and a capacitor 380 may be included.

As shown in FIG. 2, one end of the key switch 320 is connected to the lock block groove 240 formed in one side of the lock block 230, and the other end is connected to the inside of the housing 310. .

When the lock block 230 is fixed to the case groove 106, the key switch 320 is inserted into the lock block groove 240 to be in an ON state.

On the contrary, when the lock block 230 fixed to the groove slides to the right to move out of the case groove 106, the key switch 320 is released from the lock block groove 240, and the push button of the key switch 320 is It is pressed and turned off.

In addition, the lock block groove 240 is formed in a semi-circular shape so that the push button of the key switch 320 coupled to the lock block groove 240 is easily pressed as shown in FIG.

The permanent magnet switch 330 is configured in the housing 310.

The stator magnet 340 is embedded to one side wall of the case 100 and fixed to the door 110 when the door 110 is closed, it is configured to face the flow magnet 350 as shown in FIG.

The floating magnet 350 is configured in the housing 310 so as not to face the stator magnet 340 when the door 110 is opened or closed.

The floating magnet 350 and the stationary magnet 340 may use a ferromagnetic material such as a permanent magnet.

The permanent magnet switch 330 is in a state in which the door 110 is open, maintains an ON state and the floating magnet coupled to the stationary magnet 340 and the permanent magnet switch 330 in the state in which the door 110 is closed ( Since 350 is configured to face each other, a magnetic force is generated between two permanent magnets (fixed magnet 340 and the floating magnet 350) to be in the OFF state. In other words, the permanent magnet switch 330 connected to the floating magnet 350 by the repulsive force by configuring the same pole (S pole or N pole) the surface that the stationary magnet 340 and the flow magnet 350 facing each other ) To OFF.

The power supply unit 360 is electrically connected to the key switch 320, the alarm sound generating unit 370, and the condenser 380 to supply power to the housing 310. Generally, a battery, a DC power supply, and the like are collectively referred to, but the present invention is not limited thereto.

The alarm sound generating unit 370 is electrically connected to the permanent magnet switch 330, the power supply unit 360 and the condenser 380 is configured outside the housing 310. In addition, the alarm sound generator 370 may be configured inside the housing 310 so as not to be damaged by an external force. Alarm sound is generated according to the operation state of the key switch 320 and the permanent magnet switch 330.

The condenser 380 is electrically connected to the permanent magnet switch 330, the power supply unit 360, and the alarm sound generating unit 370. When an alarm sound is generated from the alarm sound generator 370, the alarm sound is maintained for a predetermined time. The time duration of the alarm sound is determined according to the capacity of the condenser 380.

Through the condenser 380, the alarm sound generation time is continued, so that theft alarm can be made more sure.

The LED 390 is electrically connected to the keyswitch 320 and the power supply unit 360, and may be operated according to the operating state of the keyswitch 320.

3 is a circuit diagram of an anti-theft device according to an embodiment of the present invention.

Referring to Figure 3 in detail,

As shown in FIG. 3, the alarm generating means 300 includes a key switch 320, a permanent magnet switch 330, a floating magnet 350, a power supply unit 360, an alarm sound generating unit 370, and a condenser ( 380, the LED 390 is electrically connected to constitute an internal circuit for generating an alarm.

The key switch 320 is configured to be connected in parallel to the power supply unit 360 and the alarm sound generating unit 370, and in parallel to the LED 390.

When the key switch 320 is turned on, power is supplied to the LED 390 connected in parallel with the power supply 360 to operate the LED 390. On the contrary, when the key switch 320 is turned off, the power is cut off and the LED 390 does not operate.

The permanent magnet switch 330 coupled with the floating magnet 350 is connected in series with the power supply unit 360 and the alarm sound generator 370, and the permanent magnet switch (when the key switch 320 is turned on). When the 330 is in the ON state, the internal circuit is closed and power is supplied to the alarm sound generator 370 and the LED 390 to operate the alarm sound generator 370 and the LED 390.

The power supply unit 360 is connected in series to the key switch 320 and the permanent magnet switch 330, and in parallel to the LED 390. Supply power to the LED 390 according to the operating state of the key switch 320, and supplies power to the alarm sound generating unit 370 and the condenser 380 according to the operating state of the permanent magnet switch 330. .

The alarm sound generator 370 is connected in series to the key switch 320 and the permanent magnet switch 330, and is connected in parallel with the condenser 380.

The condenser 380 is connected in parallel with the alarm sound generator 370, and is connected in series with the key switch 320 and the permanent magnet switch 330. When the key switch 320 and the permanent magnet switch 330 are in an ON state and power is supplied to the alarm sound generator 370, power is also supplied to the condenser 380.

Therefore, even if one or more of the key switch 320 or the permanent magnet switch 330 is turned off, the power is supplied to the alarm sound generating unit 370 for a predetermined amount of time by the amount of charge charged in the capacitor 380 for a predetermined time. The alarm sound generation time is maintained for a certain time.

The LEDs 390 are connected in parallel to the keyswitch 320 and the power supply 360. When the key switch 320 is in the ON state, power is supplied from the power supply unit 360 to emit light. When the key switch 320 is in the OFF state, the power is cut off and thus does not emit light.

Accordingly, the LED 390 may be installed on the front of the key bundle 210 exposed at one side of the door 110 as shown in FIG. 1 and used as an indicator light indicating that the anti-theft device is activated.

Although one preferred embodiment of the present invention has been described above, it is clear that the present invention may use various changes, modifications, and equivalents, and may be applied in the same manner by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As described above, the anti-theft device of the present invention is less likely to be damaged by installing an anti-theft device inside the case, and has the effect of safely storing belongings, and when theft occurs, an alarm sound provided in the anti-theft device This occurs, thereby preventing theft by notifying theft situation.

In addition, through the LED installed in the anti-theft device, there is an effect of preventing theft accident in advance by instilling an awareness of theft around.

Claims (5)

In the anti-theft device that is installed on one side of the door including a locking means for locking / unlocking the door, A housing formed in a tubular shape and coupled to the locking means; A key switch to be in an ON state when the locking means is locked and in an OFF state when the locking means is unlocked; A fixed magnet embedded in one side wall of the case; A floating magnet configured inside the housing to face the stationary magnet when the door is closed; A permanent magnet switch coupled to the floating magnet to maintain an ON state when the door is opened, and facing the stationary magnet when the door is closed, thereby being turned OFF by a magnetic force; A power supply unit supplying power; And And an alarm sound generator configured to generate an alarm sound by supplying power from the power supply unit when the key switch and the permanent magnet switch are turned on. The method of claim 1, wherein the locking means Anti-theft device, characterized in that it further comprises a locking block slidable from side to side. The method of claim 2, wherein the lock block Has a lock block groove coupled to one end of the key switch, The locking block groove is formed in a semi-circular shape so that the push button of the key switch is easily pressed when the locking block is slid left and right. The method of claim 1, The anti-theft device electrically connected to the alarm sound generating unit further comprises a condenser to increase the duration of the alarm sound when the alarm sound occurs. The method of claim 1, And an LED which is electrically connected to the key switch and operates when the key switch is in an ON state and does not operate when the key switch is in an OFF state.

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