KR930009089B1 - Electronic key and lock device - Google Patents

Abstract

The key and unit comprises the cancellation signal generation part outputting the signal according to key input; the input part which inputs the cancellation signal from the output of key and locking unit; the locking circuit including the actuator drive part and the decoding part of the cancellation signal decoding the locking and the unlocking state from the combination of the secret number and unlocking signal; and the locker body which is implemented from the key main body.

Description

Electronic key and lock

1 is an exemplary circuit diagram of the present invention.

2 is a perspective view of a connector type key and its lock constructed in accordance with the present invention.

3 is a perspective view of a bar code scan type key and its lock configured differently according to the present invention;

* Explanation of symbols for main parts of the drawings

100: key body 110: key input unit

120: unlock signal generator 130: unlock signal display

140: clock circuit 200: lock body

210: unlock signal decoding unit 220: actuator driving unit

230: alarm generating unit 300: signal transmission unit

320: input unit 400: latch holder

410: latch

The present invention relates to an electronic key and a lock device used to open and close a door, and more particularly to an electronic key and a lock device capable of selecting and resolving passwords of different locks with a single key and changing the password of the lock. It is about.

Conventional electronic keys and locks mostly consist of a card key and a lock unlocked by connecting or contacting the card key. Since the conventional card key is constructed by embedding IC or forming a magnetic film or barcode pattern to output information corresponding to the password of the lock, the lock or the same password cannot be changed. It was only available for the specified keylock. Therefore, you must carry a dedicated card key for each lock, and care must be taken when carrying or using the information because the information is depleted due to contact with other objects.In particular, the card key should be stolen by someone who has acquired the card key. There was a problem such as fear of being hit.

On the other hand, there was an electronic lock device with the keyboard integrated as a key input means without using a separate key. However, this has the advantage that the key can be changed and the password can be changed. Since it can not be prevented by the random operation of others as well as damage can be stolen stochastic problem.

SUMMARY OF THE INVENTION In view of the conventional problems, the object of the present invention is to unlock multiple locks with one key or change their passwords, and also to configure the electronic keys and locks so that they cannot be easily unlocked even if they are used by others. Is to provide.

In the present invention to achieve the above object, a key input unit, a unlocking signal generating unit for outputting the unlocking signal in accordance with the key input generated from the key input unit, a display unit for displaying the unlocking signal and an output unit for outputting the unlocking signal A key body having a built-in key circuit and an input unit for inputting the unlocking signal supplied from the output unit of the key body, storing a predetermined password, and comparing the password and the unlocking signal supplied from the input unit to compare the lock and unlocking state. A lock circuit including a unlocked signal readout unit for reading and an actuator driver connected to the unlocked signal decryption unit is embedded, and a lock body separate from the key body is configured to open and close the door according to the operation of the actuator drive unit. Electronic key and lock device characterized in that it became.

According to the present invention as described above, locks of different ciphers can be released by using one key. That is, when the key is inputted to the key and the password of the lock is input, the data signal according to the password is output, and the lock is decoded to operate the actuator. This provides a convenient advantage to carry one key when installing different password locks. In addition, the key must be used at the time of unlocking, and the key input section of the key must be operated according to the password of each lock, so that a person who does not have the key cannot be intruded. Unless you know the password, you can't do that, so it's safe.

In particular, in the present invention, by installing an alarm or the like in the lock body so that an alarm sounds when a person who does not know the password to operate it can prevent the use of others in advance to ensure safety, the key input portion of the key body By setting other modes besides the unlock mode, for example, the password change mode and the clock mode, the use value can be configured in various ways.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention.

Referring to FIG. 1, a key circuit embedded in the key body 100, a lock circuit embedded in the lock body 200, and a signal transmission unit 300 as a signal transmission means therebetween are illustrated as an embodiment circuit diagram of the present invention. have.

The key circuit includes a key input unit 110 including a mode conversion key 111, an up / down key 112, and an output key 113, a logic circuit 121, an up / down counter 122, and an output buffer ( The unlock signal generating unit 120 composed of the 123, the display element 131 and the unlocking signal displaying unit 130 composed of the display element driver 132 and the multiplex 133, and the clock circuit 140 are built-in. In the lock circuit, the unlock signal decoding unit 210, the actuator driving unit 220, and the alarm generating unit 230, each of which includes an input buffer 211, a memory 212, a comparator 213, and an inverter 214, are built-in. have.

On the other hand, the signal transmission unit 300 is connected to the output buffer 123 of the unlock signal generator 120 and the input buffer 211 of the unlock signal decoding unit 210 by the unlock signal from the key body 100 Is transmitted to the lock main body 200 side, and the output unit 310 of the key main body 100 side and the input unit 320 of the lock main body 200 side are connected to each other, as described below. It is configurable as

In the embodiment of the present invention, the mode conversion key 111 of the key input unit 110 is operated to select the unlock mode, the password change mode, and the clock mode. This causes a predetermined control signal to be output from the logic circuit 121, the multiplex 133 of the unlock signal display unit 130, the output buffer 123 of the unlock signal generator 120, and the unlock signal decryption unit 210. The input buffer 211 and the memory 212 are selectively controlled. That is, in the unlock mode, the connection to the clock circuit 140 is blocked so that the multiplex 133 of the unlock signal display unit 130 receives only the signal of the up / down counter 122, and the up / down counter 122 is blocked. When a signal is input to the input buffer 211 of the lock circuit side through the output buffer 123, the signal is allowed to be input to the comparator 213 and the input to the memory 212 is prohibited. In the password change mode, the input buffer 211 on the side of the lock circuit is connected to the memory 212 even though it is the same as in the unlock mode described above. In the clock mode, unlike the unlock mode or the password change mode, the multiplex 133 of the unlock signal display unit 130 is only connected to the clock circuit 140.

The up / down keys 112 and the output keys 113 of the key input unit 110 are valid in the unlock mode or the password change mode and are operated to release the lock body 200 or change its password. Among these, when the up / down key 112 is operated, the data content counted from the up / down counter 122 is displayed numerically by the display element 131 of the unlock signal display unit 130 according to the operation. Therefore, the desired encryption can be made while checking the display element 131. In this case, the cipher should have many digits, so in this case, a set key (not shown) for designating each digit is added. The data of the cipher set in this way is immediately stored in the output buffer 123 to be in a standby state, and when the output key 113 is operated, the lock circuit through the signal transmission unit 300 from the output buffer 123. It is sent to the input buffer 211 of the side. Since the input buffer 211 selectively connects the memory 212 and the comparator 213 by the mode conversion key 111, the data is input to one side terminal of the comparator 213 in the unlock mode. At the same time, the stored data of the memory 213 is input to the other terminal of the comparator 213. Therefore, the comparator 213 outputs a high signal when the transmitted data is the same as the data (password) stored in the memory 213, and a low signal when the same is not the same. The actuator driver 220 according to the signal. ) And the alarm 230 are selectively operated. However, in the password change mode, since the input buffer 211 is connected to the memory 212 and is blocked from the comparator 213, data transmitted from the key circuit is newly input into the memory 212 and stored first. The encrypted password is erased so that the password can be changed.

The actuator drive unit 220 may be configured to move a latch of a conventional lock, for example, an electronic solenoid mechanism, or to drive an automatic door opening and closing mechanism. In addition, in the alarm 230, it is possible to make an alarm when the error is repeated 2-3 times in consideration of a user's mistake without causing an alarm immediately.

Since the key body 100 also has a clock circuit 140 built-in, it can be used as a normal clock.

2 is a view showing the appearance of the key main body 100 and the lock main body 200 constructed in accordance with the present invention, the key main body 100 is the mode conversion key 111, up / down as described above on the upper surface The key 112, the output key 113, and the display element 131 are appropriately arranged, and the pin connector type output unit 310a for signal transmission is provided on the front thereof, and the lock for this is provided. The main body 200 has a connector sheet type input part 320a corresponding to the pin connector type output part 310a and is installed in the door D together with the latch holder 400 having the latch 410. Here, the key body 100 requires power, except for driving the clock circuit 140, by using a part of the connection terminals (not shown) of the output parts 310a and 320a to lock or change the password. It would be possible to use a power source on the 200 side.

3 is another embodiment of the signal transmission unit 300 between the key body 100 and the lock body 200 as described above, the output unit is composed of a bar code indicator (310b) and the input unit is composed of a scanner (320b) Shows that it can. Here, the barcode display 310b is an element which converts the pattern according to the operation of the up / down key 112 and shows it. On the other hand, although not shown, the signal transmission unit 300 may consider, for example, optical or ultrasonic sensitive signal transmission as a remotely controllable non-contact contact type, not a connected or contact type as in the above embodiment.

As described above, according to the present invention, a single key can be used for multiple locks and the password can be changed as needed. It is a very effective invention that provides keys and locks that are advantageous and particularly safe from being stolen by others.

The present invention is not limited by the drawings described and illustrated above, and of course, many further modifications and variations are possible within the scope of the claims set out below.

Claims (6)

A key body with a built-in key circuit including a key input unit, a unlocking signal generation unit for outputting a unlocking signal according to the key input generated by the key input unit, a display unit for displaying the unlocking signal, and an output unit for outputting the unlocking signal; An input unit for inputting the unlocking signal supplied from the output unit of the key body, a unlocking signal decrypting unit for storing a predetermined password and reading the lock and unlocking state by comparing the password with the unlocking signal supplied from the input unit and the unlocking signal An electronic key lock device comprising a lock circuit including an actuator driving unit connected to a decryption unit, and having a lock body separate from the key body to open and close the door depending on whether the actuator driving unit is operated. . 2. The electronic key and lock device as claimed in claim 1, wherein the key stored in the unlock signal decryption unit of the lock body can be changed by operating the key input unit of the key body. The electronic key and lock according to any one of claims 1 to 4, wherein the key body further comprises a clock circuit which is selectively displayed on the unlock signal display unit by operating the key input unit. Device. The electronic key and lock apparatus of claim 1, further comprising an alarm generator connected to the lock signal decryption unit to generate an alarm when the password and the lock signal are different from each other. 2. The electronic key and lock apparatus as claimed in claim 1, wherein the key body output unit and the input unit of the lock body are constituted by male and female electrical connectors respectively provided on the key body and the lock body. The electronic key and the lock of claim 1, wherein the output unit of the key body comprises a barcode indicator for converting a pattern according to a key input, and the input unit of the lock body comprises a scanner that reads the barcode indicator. Device.