JPH07233663A - Electronic lock system - Google Patents

Abstract

PURPOSE:To provide a throw-away electronic key, require no handling cost when the key is lost, and facilitate its recovery by using the time data when the electronic key is connected to a contact section as collation data. CONSTITUTION:A control circuit 3 having a read/write control function 31, an authentication collation function 32, an electromagnetic lock control function 33, a time count function 34, an authentication memory function 35, and an alarm function 36 is constituted of a CPU, a ROM, a RAM, and a driver. When an electronic key 1 is connected to a contact section 2, the control circuit 3 writes the time data of the connected time into the EPROM of the electronic key 1 as collation data and writes the data into the authentication memory 35. The written time data are used as the collation data for authentication collation in the next use. A random numeral of optional multiple digits can be used as the collation data in place of the time data.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic lock system used for a room door in a hotel room rental business, a locker system used as a substitute for a conventional coin locker, etc. An electronic lock system using an electronic key is provided.

[0002]

2. Description of the Related Art Conventionally, in a room rental business such as a hotel, a room key is lent to rent a right to use a room. This is to indicate the room use right of the customer and the customer leaves the room. The main purpose is to prevent theft. In recent years, electronic lock systems have been widely used to improve crime prevention. This type of electronic lock system is a card-type electronic lock system, in which personal identification data is written on a card-type data carrier and used as an electronic key. Card-type data carriers include magnetic cards, IC cards, optical memory cards, etc., each of which has advantages and disadvantages and is used. Tokusho Sho 6
As proposed in 0-19394, etc., the door is automatically locked when the door is closed, and the door can be opened at any time by operating the knob from the room, while from the outside, the verification operation of the password data written on the card by the card reader is performed. The electronic lock mechanism is unlocked and the door can be opened.

Further, in a coin locker or the like for lending a locker usage right to a customer, a key can be locked by inserting a fixed amount of coin, and after the locking, the key is taken out to lend the key. Currently, the lock system is not used.

[0004]

The conventional method has the following drawbacks. In the room rental business of hotels, etc., a magnetic card system is used to counterfeit malicious keys.
Optical memory card type has low security,
The IC card type has a CPU and is high in security, but has a drawback that the card cost as an electronic key becomes very high. Further, in these systems, the read device for reading the personal identification data of the card and performing the verification is large, and the cost is high. In addition, no matter how much the security is increased, it is possible to prevent the customer from losing the card or the key and letting the card or the key go to the hands of a malicious third party, and to prevent theft if the customer loses the key. It was a big trouble that prompt change of secret code and replacement with new lock were required.

Further, in the coin locker for lending the right to use the locker to the customer, it was necessary to have a system which enables the coin to be inserted and the key to be removed after the lock. This is to prevent the loss of expensive keys. The electronic lock system cannot support this system and is not currently in use. The problems of the current coin locker system are theft of deposits by imitation keys, the cost of keys is higher than the loan fee, the risk of theft because cash is stored, and the trouble of collecting money. was there.

[0006]

In order to solve the above problems, the present invention is proposed to provide an electronic lock system in which an electronic key is disposable, at a low cost.

According to the structure of the present invention, a memory for storing a secret code for opening / closing the electromagnetic lock mechanism, an electronic key having a terminal for transmitting / receiving the secret code data to / from an external device, and the secret code data to which the electronic key is connected. In the electronic lock system including an electronic lock device having a control circuit for controlling opening / closing of the electromagnetic lock mechanism by reading the password and collating the password data stored in the password memory means provided inside, the control circuit includes: A judging means for judging whether or not the electronic key is initially used, and a password data writing means for writing the same arbitrary numerical value to the electronic key and the password memory means when the initial use is judged, and at the time of initial use By having an expiration date setting means for setting an expiration date of the personal identification data or an effective number setting means for setting an effective number of times, the electronic key Consisting of that disposable a. The arbitrary numerical value described above is a date and time at the time of initial use or a random numerical value having a plurality of digits, and the electronic key has a button shape attached to cloth or paper.

[0008]

1 is a block diagram of an electronic lock system according to the present invention. As an electronic lock 1 and an electronic lock device, a control circuit including a contact section 2 for connecting the electronic key 1 to a CPU, a ROM, a RAM and a driver. 3, a solenoid, an electromagnetic clutch, an electromagnetic lock mechanism 4 including a motor and a lock mechanism, and an alarm display mechanism 5 including a liquid crystal display panel, a lamp, or a buzzer.

The control circuit 3 has a secret code memory means 35 for storing the secret code data for collating with the secret code data of the electronic key 1, a time counting means 34 for making date / time data, the electronic key 1 and the secret code memory means. The read / write means 31 for reading the data from the 35 and the time counting means 34 and writing the password data in the electronic key 1 and the password memory means 35, and the password collating means 3 for collating and comparing the password data read by the read / write control means 31.
2. An electromagnetic lock control unit 33 that controls the electromagnetic lock mechanism 4 based on the comparison result and the comparison result by the password verification unit 32, and an alarm control unit 36 that controls the alarm display mechanism 5 that issues a warning based on the comparison result. .

FIG. 2 shows a sectional view of the electronic key 1 used in the present invention, and FIG. 3 shows a front view thereof. The electronic key 1 is composed of an insulating substrate 11, a connect terminal 12, an EPROM 13, a cap 14, a molding material 15, a handkerchief 16, and a lead wire 17. A plurality of connect terminals 12 are provided on the insulating substrate 11 for power supply voltage for operation,
It is for grounding, clock signal, reset signal, data input / output, and power supply voltage for data writing. The EPROM 13 is electrically connected to each connect terminal 12 by the lead wire 17, and the molding material 1
Protected by 5. These are housed in a cap 14, and the cap 14 is fixed to a handkerchief 16. FIG. 4 shows a sectional view of the contact portion 2 used in the present invention, and FIG. 5 shows a front view thereof. The contact portion 2 includes an insulating base 22, a probe terminal 23, a hold spring 24,
The exterior 21 is included. The probe terminal 23 is electrically connected to the control circuit 3 by a lead wire 25. The electronic key 1 is inserted into the hold spring 24 and is attached to the system by the convex portion 18 of the electronic key 1, and at the same time, the probe terminal 2
3 is connected to the connect terminal 12 and the EP of the electronic key 1
The read / write control means 3 of the control circuit 3 for the ROM 13
A write call by 1 is made.

The electronic lock system of the present invention will be described below with reference to an embodiment based on the drawings. The following is an example of a room lock for a hotel. FIG. 6 is an external view of the electronic lock device in this usage example. FIG. 7 shows an AA sectional view of FIG. 6 and FIG. 8 shows a BB sectional view of FIG. 7 and 8
The operation of the electromagnetic lock mechanism of this usage example will be described. When the door is closed, the latch bolt 41 of the electromagnetic lock mechanism 4 is in the lock hole 50-1. When the door is opened from outside, the lock wheel 45 rotates by turning the knob 42,
This rotation is transmitted to the gear gear 44 by pushing the gear gear pin 44-1 at the edge of the escape groove 45-1 of the lock wheel 45. The gear gear 44 meshes with the latch bolt 41 by a gear, and the latch bolt 41 pushes the spring 49 and slides to come out of the lock hole 50-1 to open the door. The lock wheel 45 is provided with a lock groove 45-2, and the solenoid latch bolt 48 is used to lock the lock groove 4 when the lock is closed.
5-2 is entered to stop the rotation of the lock wheel 45, and when unlocking, the solenoid 47 operates and the solenoid latch bolt 48 comes out of the lock groove 45-2 and can rotate. When opening the door from the room, turn the knob 43 to turn the gear 4
4 rotates and latch bolt 41 slides to lock hole 5
It deviates from 0-1. Since the pin 44-1 of the gear wheel 44 moves in the escape groove 45-1 of the lock wheel 45, the solenoid latch bolt 48 enters the groove 45-2 of the lock wheel 45 and stops the rotation of the lock wheel 45 at the time of locking. You can open the door from the room. When the door is closed, the latch bolt 11 slides into the lock hole 50-1 by the closing operation of the door and is locked. That is, the electromagnetic lock mechanism 4 used in this usage example is a mechanism that can be freely opened from the inside of the room, and the door cannot be opened from the outside unless the electronic key 1 is used to unlock the door. In addition, 50 is a lock hole 50-
It is a metal plate attached to the outer wall of the room where 1 is formed.

FIG. 9, FIG. 10 and FIG. 11 are flowcharts showing the system configuration. FIG. 12 shows the information storage area of the electronic key 1 and the state of data to be written.
3 shows the information storage area of the personal identification memory means 35 of the control circuit 3 and the written data state, and FIG. 14 shows the information storage area of the employee electronic key 1 and the reset electronic key 1 and the written data state. Be done. The system configuration will be described below according to the flow of use.

At step 102, a visitor to the front desk of step 101 contacts the writer with an arbitrary electronic key 1 at the time of reception, and then step 103
Then, the room password data d and the check-out date data e are written in the electronic key 1, and the data state of the electronic key becomes a state 502 from 501 in FIG. In step 104, the electronic key 1 is removed from the writing device, and in step 105, the front desk lends the electronic key 1 to the customer. The customer receives the electronic key 1 and goes to the room. At step 106, the electronic key 1 is inserted into the contact portion 2 of the electronic lock device to make a contact.

The contact is confirmed by the read / write control means 31, and in step 107, the read / write control means 31 reads the data a from the hotel secret code area A of the electronic key 1, and the secret code memory means 3 shown in FIG.
The data a stored in the hotel personal identification area A ′ of 5 is collated by the personal identification collating means 32. If the verification does not match due to misuse of the electronic key of another hotel, step 1
The process proceeds to step 28 and a warning is given by the alarm display mechanism 5, but normally the verification is successful and the process proceeds to step 108.

In step 108, the read / write control means 31 reads the data 0 from the reset password area B of the electronic key 1, and the data b stored in the reset password area B ′ of the password memory means 35 is compared with the password matching means 32. Matched by. The electronic key 1 of the customer does not match, and the process proceeds to step 109. Step 109
Then, the read / write control means 31 reads the data 0 from the employee personal identification area C of the electronic key 1, and the personal identification collation means 32 collates it with the data c stored in the employee personal identification area C ′ of the personal identification memory means 35. It The electronic key 1 of the customer does not match, and the process proceeds to step 110.

In step 110, the read / write control means 31 reads the data d from the room security code area D of the electronic key 1, and the data d stored in the room security code area D'of the security code memory means 35 is matched with the security code verification means 3.
Matched by 2. If the customer makes a mistake in the room, the collation does not match and the process proceeds to step 128, where a warning is issued by the alarm display mechanism 5, but normally the collation matches and step 111.
Proceed to.

In step 111, the data 0 is read from the date / time area F of the electronic key 1 by the read / write control means 31, and the data 0 is read by the password collation means 32.
And are matched. It is confirmed that the collation is successful and the initial use is confirmed, and the process proceeds to step 112.

In step 112, the secret code memory means 35
From the check-out date / time area E ′, the data e ′ is compared with the current time data t of the time counting means 34. In the normal comparison result, the data e ′ is before the current time data t, and it is confirmed that the room is empty, and the process proceeds to step 113. If the front customer is in use due to a mistake in the front room, the data e'is after the current time data t, and the process proceeds to step 128 where the alarm display mechanism 5 gives a warning.

In step 113, the data e in the check-out date / time area E of the electronic key 1 is copied by the read / write control means 31 to the check-out date / time area E'in the secret code memory means 35 and the time is counted. The current time data t of the means 34 is stored in the year / month / day time area F ′ of the password memory means 35 and the year / month / day time area F of the electronic key 1 as the data f which is one of the password data, and the process proceeds to step 114. The data state of the electronic key 1 is from 502 to 503 in FIG. 12, and the data state of the password memory means 35 is from 504 to 50 in FIG.
It becomes the state of 5.

In step 114, the electromagnetic lock control means 3
3, the electromagnetic lock mechanism 4 is activated to allow the outer knob 42 to rotate. In step 115, the customer turns the knob 42 to open the door, and in step 116, removes the electronic key 1 from the contact portion 2. In step 117, the read / write control means 31 detects the detachment of the electronic key 1, and the electromagnetic lock control means 33 causes the electromagnetic lock mechanism 4 to operate.
Disables rotation of 2. Entered in step 118. In step 119, the door is automatically locked by closing the door. At step 120, the person becomes occupied.

In step 121, when the customer goes out, the inner knob 43 is turned to open the door. Step 122
Then leave the room. At step 123, the door is automatically locked by closing the door. At step 127, the user goes out.

When reentering the room, step 106 is performed.
Then, the electronic key 1 is inserted into the contact portion 2 of the electronic lock device to make a contact, and then the process proceeds to steps 107 to 110. In step 111, the read / write control means 31 reads the data f from the year / month / day time area F of the electronic key 1, and the personal identification collation means 32 collates it with the data 0. It is confirmed that the collation does not match and it is not the initial use, and the process proceeds to step 125. In step 125, the data e and the time data t of the time counting means 34 are compared from the check-out date / time area E ′ of the secret code memory means 35. In the normal comparison result, the data e is after the time data, and the process proceeds to step 126. If the loan period has passed, the data e is before the time data t, and the process proceeds to step 128, where the alarm display mechanism 5 gives a warning.

In step 126, the data f is called from the date / time area F of the electronic key 1 by the read / write control means 31, and the data f in the date / time area F'of the secret code memory means 35 is collated with the secret code. It is collated by the means 32. Normally, the collation is matched and the process proceeds to step 114.
If the verification does not match, it is determined to be the electronic key 1 of the previous guest,
In step 128, the alarm display mechanism 5 gives a warning. After that, the process proceeds to Steps 114 to 120 and becomes the room.

Thereafter, the customer repeats the above operation during the room lending period.

The employee's electronic key 1 is used to enter the employee's room for cleaning the room. In step 106, the electronic key 1 is inserted into the contact portion 2 of the electronic lock device to make a contact, and then the process proceeds to steps 107 to 108. At step 109, the read / write control means 31 reads the data c from the employee identification area C of the electronic key 1, and the data c stored in the employee identification area C ′ of the identification memory means 35 is obtained by the identification collation means 32. Matched. The employee entry electronic key 1 is matched, and the process proceeds to step 114 to allow entry.

In the event of an accident such as cancellation by the customer on the way or loss of the electronic key, the reset electronic key is used. In step 106, the electronic key 1 is inserted into the contact part 2 of the electronic lock device to make a contact, and then the process proceeds to steps 107 to 108. At step 108, the read / write control means 31 reads the data b from the reset password area B of the electronic key 1, and the password collation means 32 collates with the data b stored in the reset password area B ′ of the password memory means 35. It If the reset electronic key 1 matches, the process proceeds to step 124, and the data of the check-out date / time area E'year / month / day time area F'of the password memory means is set to 0. After that, the new electronic key 1 can be used.

The above is the system configuration as a room lock of the hotel, and the initial customer can unlock the room door with this electronic key 1 until the date written in the received electronic key 1 during the contract period. , It will not be possible to unlock after the written date. It is an electronic lock system that makes an electronic key disposable.

The following is an example of a rental locker as an alternative to the coin locker. In this embodiment, the electronic key is centrally sold at one place and can be used once in any locker. If the customer forgets to put it in and makes a mistake, the locker can be opened and closed without purchasing a new electronic key for a fixed time. This is an electronic key system that can FIG. 15 is an external view of the electronic lock device in this usage example. 16 is a sectional view taken along line AA of FIG.
15 is a sectional view taken along line BB of FIG. 15, 16,
The operation of the electromagnetic lock mechanism 5 of this usage example will be described with reference to FIG. The latch plate 51 is the rotary shaft 5 of the step motor 52.
It is attached to 2-1 and the latch plate 51 rotates by the rotation of the step motor 52. The latch plate 51 is in the locked state when it is in the lock hole 53-1 of the rocker door 53, and is in the unlocked state when it is out of the lock hole 53-1. That is, the electromagnetic lock mechanism 4 used in this embodiment is a mechanism that unlocks and locks the electromagnetic lock control means 33 by controlling the stop position of the step motor 52. 54 is the exterior of the locker.

FIG. 18, FIG. 19 and FIG. 20 are flowcharts showing the system configuration. FIG. 21 shows the information storage area of the electronic key 1 and the written data state, FIG. 22 shows the information storage area of the secret code memory means 35 and the written data state, and FIG. 23 shows the information storage of the employee electronic key 1. The area and the data state to be written are shown. The system configuration will be described below according to the flow of use. Electronic keys are sold at vending machines or kiosks, and the personal identification data of the vendor is written.

At step 201, a customer purchases an electronic key. In step 202, the door of any unused locker is opened, and in step 203, the item to be stored in the locker is placed. At step 204, the door is closed. Step 20
In step 5, the purchased electronic key 1 is inserted into the contact portion 2 of the electronic lock device to make contact, in step 206.
The read / write control means 31 indicates that the contact has been made.
Is confirmed and the process proceeds to step 207.

In step 207, the read / write control means 31 reads the data a from the vendor password area A of the electronic key 1 and the data a stored in the vendor password area A'of the password memory means 35 shown in FIG. The password collation means 32 collates. If the collation cannot be made due to the erroneous use of the electronic key of another trader, the process proceeds to step 226, where a warning is given by the alarm display mechanism 5, but normally the collation is made and the process proceeds to step 208.

At step 208, the lock state of the electromagnetic lock mechanism 4 is confirmed. The confirmation result is the unlocked state, and the routine proceeds to step 209. In this embodiment, the method of confirming the lock state is performed by detecting the rotational position of the motor in the electromagnetic lock control means 33, but it is also possible to provide an area in the secret code memory means 35 and set a flag.

In step 209, the read / write control means 31 reads the data 0 from the employee secret code area B of the electronic key 1, and collates the secret data with the data b stored in the employee secret code area B'of the secret code memory means 35. Means 3
Matched by 2. The electronic key 1 of the customer does not match, and the process proceeds to step 210.

At step 210, the data 0 is read from the locker password area C of the electronic key 1 by the read / write control means 31, and the data collation means 32 collates with the data 0. It is confirmed that the collation is successful and the initial use is confirmed, and the process proceeds to step 211.

In step 211, the secret code memory means 35
The data c in the locker secret code area C'of is transferred to the locker secret code area C of the electronic key 1, and step 212,
The current time data d of the time counting means 34 is stored in the password memory means 35 year / month / day time area D ′ and the year / month / day time area D of the electronic key 1, and the process proceeds to step 213. The data state of the electronic key 1 is from 601 to 602 in FIG. 21, and the data state of the secret code memory means 35 is shown in FIG.
603 to 604.

In step 213, the electromagnetic lock control means 3
The electromagnetic lock mechanism 4 is activated by 3 and the locked state is established. In step 214, the customer removes the electronic key 1 and carries the electronic key 1. In step 215, the read / write control means 31 detects the removal of the electronic key 1 and prepares for the next contact.

In order to unlock the locker after the customer has finished various uses, the electronic key 1 is contacted again in step 205. The process proceeds to steps 206 and 207 similarly to the initial contact, and the confirmation result in step 208 is
The electromagnetic lock mechanism 4 is in the closed state, and the process proceeds to step 216.

In step 216, the read / write control means 31 reads the data 0 from the employee secret code area B of the electronic key 1, and collates the secret code with the data b stored in the employee secret code area B'of the secret code memory means 35. Means 3
Matched by 2. The electronic key 1 of the customer does not match, and the process proceeds to step 217. In step 217, the read / write control means 31 reads the data c from the locker personal identification area C of the electronic key 1, and the personal identification collation means 32 collates it with the data c stored in the locker personal identification area C ′ of the personal identification memory means 35. It Normally, the collation is matched and the process proceeds to step 218. If the collation does not match, it is determined that the electronic key is used by another locker, and step 22
Proceeding to step 6, the alarm display mechanism 5 gives a warning. In step 218, the read / write control means 31 calls the data d from the year / month / day time area D of the electronic key 1, and the data d in the year / month / day time area D ′ of the password memory means 35 is used by the password collation means 32. Matched. Normally, the collation is successful and the process proceeds to step 219. If the collation does not match, it is determined to be the electronic key 1 of the previous user, and step 226
Proceed to step (5) and a warning will be given by the alarm display mechanism.

In step 219, the electromagnetic lock control means 3
The electromagnetic lock mechanism 4 is activated by 3 and the unlocked state is obtained. In step 220, the customer removes the electronic key 1 from the contact portion 2 and carries the electronic key 1. Step 221
Then, the read / write control means 31 detects the removal of the electronic key 1 and prepares for the next contact.

At step 222, the customer opens the locker door and removes the package.

After this, the electronic key can be reused under the condition that it is within a fixed time from the initial use and there is no use by another key in the meantime. When the customer contacts the electronic key 1 again, step Steps 203 to 209 proceed in the same manner as in the initial stage, and in step 210, the data 0 is read from the locker personal identification area C of the electronic key 1 by the read / write control means 31 upon confirmation of the initial use, and the personal identification collation means 3
2 matches data 0. It is confirmed that the collation does not match and it is reused, and the process proceeds to step 223. In step 223, the data d stored in the year / month / day time area D ′ of the secret code memory means 35 and the data e stored in the use period area E ′ of the time data d ″ of the time counting means 34 are compared. If the result is d + e> d ", the process proceeds to steps 224 and 225, and the electronic key 1 can be used to deposit the luggage again. If the customer's reuse has passed the data e stored in the usage period area E for a fixed time, d + e <d ”, and step 226
Proceed to step (5) and the alarm display mechanism will give a warning.

At the time of trouble occurrence or inspection, the employee's electronic key 1 is used, at the time of unlocking, the collation is made in step 209, and the process proceeds to step 213, or at the time of locking, step 21.
6, the collation is matched and the process proceeds to step 219, and unlocking and locking are possible.

The above is the system configuration as the locker lock of the rental locker, and the customer is allowed to use the loan locker only once by using the purchased electronic key 1 and deposit it by mistake.
This is an electronic lock system in which the electronic key is disposable, and can be reused with the same electronic key within a fixed time in the case of forgetting to deposit, etc.

[0044]

As described above, the electronic lock system according to the present invention is an electronic lock system that supplies a disposable electronic key whose usage time is limited or the number of times it is used. Even if the key is lost, it is not necessary to replace the lock, and there is no cost to deal with the accident, and repair is easy. For this reason, the electronic lock system is excellent in crime prevention so that the customer does not feel uncomfortable, and the service for the customer's erroneous insertion can be provided as in the embodiment of the rental locker. It is an electronic lock system that is effective for lenders such as devices and rooms.

The customer can take back the used electronic key as a memorial. EE as a memory for electronic keys
If a PROM is used, it can be recovered and reused.

The electronic key used in the present invention has a button shape having a diameter of 20 mm or less and a thickness of 7 mm or less, and is attached to cloth, leather, paper or the like by adhesion, caulking, or sewing. For this reason, the physical strength of card-type and coin-type data carriers is extremely strong, and it does not break even when dropped or stepped on with feet. It can be folded for easy carrying and can be stored in a purse, purse, pocket, etc., and is bulky when taken out, preventing loss. In addition, the cloth and paper parts can have a sufficiently large area for describing information such as characters and figures. Further, since the contact mechanism of the electronic lock device is small in size, the electronic lock device is a disposable electronic lock system that is small enough to be installed in the door.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an electronic lock system of the present invention.

FIG. 2 is a cross-sectional view of an electronic key used in the present invention.

FIG. 3 is a front view of an electronic key used in the present invention.

FIG. 4 is a sectional view of a connector portion of the electronic lock device used in the present invention.

FIG. 5 is a front view of the connector portion of the electronic lock device used in the present invention.

FIG. 6 is an external view of an electronic lock device for a hotel door that is an embodiment of the present invention.

FIG. 7 is a cross-sectional view taken along the line AA of FIG. 6, showing an electromagnetic lock mechanism portion.

FIG. 8 is a cross-sectional view taken along line BB of FIG. 6, showing an electromagnetic lock mechanism portion.

FIG. 9 is a system configuration diagram of an electronic lock device for a hotel door, which is an embodiment of the present invention.

FIG. 10 is a system configuration diagram of an electronic lock device for a hotel door that is an embodiment of the present invention.

FIG. 11 is a system configuration diagram of an electronic lock device for a hotel door, which is an embodiment of the present invention.

FIG. 12 is a diagram showing a data state of an electronic key for a hotel door that is an embodiment of the present invention.

FIG. 13 is a diagram showing a data state of a secret code memory means for a hotel door which is an embodiment of the present invention.

FIG. 14 is a diagram showing a data state of a special electronic key for a hotel door that is an embodiment of the present invention.

FIG. 15 is an external view of an electronic lock device for a rental locker that is an embodiment of the present invention.

16 is a cross-sectional view taken along the line AA of FIG. 15, showing an electromagnetic lock mechanism portion.

FIG. 17 is a cross-sectional view taken along line BB of FIG. 15, showing an electromagnetic lock mechanism portion.

FIG. 18 is a system configuration diagram of an electronic lock device for a rental locker according to an embodiment of the present invention.

FIG. 19 is a system configuration diagram of an electronic lock device for a rental locker according to an embodiment of the present invention.

FIG. 20 is a system configuration diagram of an electronic lock device for a rental locker according to an embodiment of the present invention.

FIG. 21 is a diagram showing a data state of an electronic key for a rental locker according to an embodiment of the present invention.

FIG. 22 is a diagram showing a data state of a secret code memory means for a rental locker according to an embodiment of the present invention.

FIG. 23 is a diagram showing a data state of a special electronic key for a rental locker which is an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic key 2 Contact part 3 Control circuit 4 Electromagnetic lock mechanism 5 Alarm display mechanism 16 Handkerchief 31 Read / write control means 32 Personal identification collation means 33 Electromagnetic lock control means 34 Time counting means 35 Personal identification memory means 36 Alarm control means

Claims (5)

[Claims] 1. An electronic key having a memory for storing a secret code for opening and closing an electromagnetic lock mechanism and a terminal for transmitting / receiving the secret code data to / from an external device, and the electronic key being connected to read the secret code data In an electronic lock system comprising an electronic lock device having a control circuit for controlling opening / closing of the electromagnetic lock mechanism by collating password data stored in a password memory means of the electronic lock system, Judgment means for judging whether it is the initial use, personal identification data writing means for writing the same arbitrary numerical value to the electronic key and the personal identification memory means when the initial use is judged, and the personal identification data for the initial use. An electronic lock system characterized in that the electronic key is made disposable by having an expiration date setting means for setting the expiration date. 2. An electronic key having a memory for storing a secret code for opening / closing the electromagnetic lock mechanism and a terminal for transmitting / receiving the secret code data to / from an external device, and the electronic key being connected to read the secret code data. In an electronic lock system comprising an electronic lock device having a control circuit for controlling opening / closing of the electromagnetic lock mechanism by collating password data stored in a password memory means of the electronic lock system, Judgment means for judging whether it is the initial use, personal identification data writing means for writing the same arbitrary numerical value to the electronic key and the personal identification memory means when the initial use is judged, and the personal identification data for the initial use. An electronic lock system characterized in that the electronic key is made disposable by having an effective count setting means for setting the effective count. 3. The electronic lock system according to claim 1, wherein the arbitrary numerical value is a date and time at the time of initial use. 4. The electronic lock system according to claim 1, wherein the arbitrary numerical value is a random numerical value having a plurality of digits. 5. The electronic lock system according to claim 1, wherein the electronic key has a button shape attached to cloth or paper.