JPH07122357B2 - Key storage device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a key storage device for unmanned key management.

[Background Art] Conventionally, in a tenant or a factory, it is generally practiced that when the employee leaves the company, the key of each tenant or each section is left in the management room or the security room by the last person who leaves the office and the key is taken out the next day. However, this method has a problem that manpower and key management are required.

Therefore, there is provided a key storage device for unmanned key management. This conventional key storage device can open a key storage box corresponding to this magnetic card with a unique magnetic card, and therefore has a card reader for reading data from the magnetic card. However, with only a magnetic card, an outsider may easily open the key storage box due to theft or the like, and there is a problem in safety.
Further, in the conventional key storage device having a plurality of key storage boxes, when the key storage box is opened by the magnetic card, the magnetic cards and one key storage box correspond to each other in a one-to-one correspondence. There was the inconvenience of having to use another magnetic card to open the storage box.

[Object of the Invention] The present invention has been made in view of the above points, and an object of the present invention is to improve the safety and to use a plurality of key storage boxes with a single magnetic card. It is to provide a key storage device that can be opened.

DISCLOSURE OF THE INVENTION (Embodiment) FIGS. 1 to 8 show an embodiment of the present invention. In this embodiment, a plurality of key storage boxes 1 for storing keys and the key storage A card reader 2 for reading the above-mentioned data of a magnetic card in which data for opening the door of the box 1 is read, a ten-key 3 for inputting a personal identification number and a box number of the key storage box 1 to be opened,
When the magnetic card in which the data is read by the card reader 2 is correct and the personal identification number entered by the numeric keypad 3 is correct, control for opening the door of the key storage box 1 having the box number entered by the numeric keypad 3 And a control circuit 8 as a means.

Hereinafter, examples will be described in detail. As shown in FIG. 1, the key storage device of this embodiment is used, for example, in a factory, and a plurality of (10 in this embodiment) key storage boxes for storing keys for each section. 1 ₁ to 1 ₁₀ are provided. And, Yes to issue a dedicated individual card in this key storage box 1 ₁ to 1 every _10, above each key storage box 1 ₁ to 1
₁₀ can be opened individually. In addition to the individual cards, there are a master card that can open all the key storage boxes 1 and a sub master card that can open a plurality of specific key storage boxes 1. Then, this on the side of the key storage box 1 ₁ to 1 ₁₀ is provided with a card reader 2 reads the data written in the magnetic card at this card reader 2. Further, the card reader 2 is provided with a ten-key pad 3 for inputting a personal identification number and a box number of the key storage box 1 to be opened, and a display device 4 for displaying operation states of the card reader 2 and the ten-key pad 3. There is. The display device 4 is a card reader 2
The data read by is the same as the data stored in the control circuit 8 which will be described later, that is, the magnetic card is the correct card, and the OK lamp 4a that lights up when the personal identification number entered with the ten key 3 is correct, It is composed of an NG lamp 4b which lights up when either the card or the personal identification number is incorrect, and a display portion 4c which displays the input contents of the ten-key pad 3. Further, the card reader 2 is also provided with a buzzer 5 that emits an alarm sound when the key storage device is operated abnormally. The magnetic card is inserted into the slit 6 of the reader portion formed on the left side of the card reader 2 in the vertical direction, so that the written data is read by the card reader 2. This is above the card reader 2 is provided with a key storage display section 7 to individually display the stored state of the key of each key storage box 1 ₁ to 1 _10.

Further, another configuration provided in the key storage device will be described with reference to FIG. The key storage device includes a control circuit 8 that controls the operation of each of the above-mentioned units or the operation of each unit described below. The control circuit 8 is connected to clock 9 and the printer 10, so that the hammer out the printer 10 together with the time and Hirakito key storage box 1 ₁ to 1 ₁₀ by the magnetic card, ten 3. Further, in this key storage device, an AC power supply is converted into a predetermined DC voltage by a power supply circuit 15 to supply power to the control circuit 8, and a battery 16 is provided for backup.

The key storage box 1 ₁ to 1 ₁₀ includes a key set 13 for detecting the storage state of the keys to the key storage box 1 ₁ to 1 ₁₀ to 1 ₁ to 1 every ₁₀ each key storage box. The key set 13, when receiving a key to be stored in the key storage box 1 ₁ to 1 ₁₀ is adapted to be housed a key by turning by inserting a key for storing, retrieving a key Sometimes the set key is turned to remove it. Key set signal is the key set 13 output is input to the control circuit 8, are also available it determines as a result of setting the key in the key storage unit 1 ₁ to 1 ₁₀ by the control circuit 8. The key storage display unit 7 displays the key storage state by the output of the key setting unit 13. Further, in the key storage box 1, provided with a switch 12 for detecting the open or closed state of the door electric lock solenoid 11 and the key storage box 1 ₁ to 1 _10, for opening the door of the key storage box 1, the solenoid 11 is a drive circuit controlled by the control circuit 8 to automatically open the door of the key storage box, and a switch 12 is manually opened after the control circuit 8 and the solenoid 11 have opened the door. It detects that the door is closed. This solenoid
11, the switch 12, and the key set unit 13 are key storage boxes 1 ₁ ~
It is provided every 1 ₁₀ . The control circuit 8 and the solenoid 11 constitute a control means.

The card reader 2 is also connected to the control circuit 8 and asks the control circuit 8 whether the data read by the card reader 2 matches the data stored in the memory (not shown) of the control circuit 8. The control circuit 8 outputs to control the operations of the OK lamp 4a, the NG lamp 4b, and the buzzer 5 provided in the card reader 2. The card reader 2 is also provided with a chime 14 which sounds when the data of the magnetic card and the personal identification number entered by the ten-key pad 3 are correct, and the operation is controlled by the control circuit 8 in the same manner as the above-mentioned parts. Numeric keypad 3
The key operation input is input to the control circuit 8, and the control circuit 8 displays the key operation data on the display unit 4c according to the key operation input.

Further, the above-mentioned control circuit 8 is internally provided with a so-called watchdog circuit that monitors whether or not its own operation is correctly performed. This watchdog output is an alarm or a card type output, and an external transfer output terminal of the terminal block 17. Is output to an external device, and the key storage device can be managed by the external device. The card types include, for example, the above-mentioned individual card, master card, and maintenance card used by a vendor for maintenance. In addition, the key set unit 13 output is also a terminal block
It is output to external equipment via 17 to prevent forgetting to tighten. Further, in order to deal with the key storage device being destroyed and the key being taken out, the destruction switch 18 for detecting the destruction by detecting the vibration applied to the key storage device, for example.
The destruction switch 18 output is also transferred to an external device.

After inserting the magnetic card, the key storage box 1 ₁ to 1
The operation until ₁₀ is opened will be described with reference to the flowchart of FIG. First, the magnetic card is passed through the reader section of the card reader 2. Whether or not this magnetic card is a correct card is determined by checking by the control circuit 8 whether or not the data read by the card reader from the magnetic card matches the data stored in the memory. Then, when the data match, FIG. 5 (a)
No. 4 that the magnetic card is correct as shown in
This is displayed by turning on the OK lamp 4a shown in the figure. When the data do not match, the NG lamp 4b is turned on. This NG lamp 4b is turned on for 10 seconds as shown in FIG. 5 (b).
When the NG lamp 4b lights up, the magnetic card is inserted again and the operation is repeated from the beginning. Also,
When the magnetic card is inserted into the card reader 2 four times and they do not match each other, that is, when the NG lamp 4b lights four times, the buzzer 5 gives an alarm. Then, only when the OK lamp 4a is turned on, the personal identification number entered by the next ten key 3 is accepted. This PIN consists of 6 digits, the upper 4 digits are the PIN, and the lower 2
Enter the box number of the key storage box 1 ₁ to 1 ₁₀ digit. Further, if the password is mistaken during the operation of the numeric keypad 3, the clear key is pressed and the numeric keypad 3 is operated again from the beginning. This personal identification number is displayed on the display section 4c of the display device 4 as shown in FIG. 4 (b). If you do not enter your PIN with this numeric keypad 3 within 20 seconds after inserting the magnetic card into the card reader 2, then
The security code is not accepted from.
During the 20 seconds, the OK lamp 4a lights up for 20 seconds as shown in FIG. 5 (a). further,
When the numeric keypad 3 is operated as shown in FIG. 5 (c) and the personal identification number entered with the numeric keypad 3 is correct, the OK lamp
After operating the ten-key pad 3, 4a keeps lighting for 2 seconds and then goes out. If the password entered with the numeric keypad 3 is incorrect, the NG lamp 4b lights up for 10 seconds as shown in FIG. 5 (d), and the operation must be performed again from the beginning. If the operation is mistaken four times or more, an alarm will be issued. Then, correct the input of the correct code number by the magnetic card is performed, and ringing a chime 14, a key storage corresponding to the box number which is input by the numeric keypad 3 of the key storage box 1 ₁ to 1 ₁₀ after this The door of Box 1 is opened.
The door of the key storage box 1 is opened by driving the solenoid 11 with the output of the control circuit 8. Also,
The opening of the door of the key storage box 1 is detected by the switch 12. Then, as described above, the OK lamp 4a is turned off 2 seconds after the numeric keypad 3 is input.

After that, the person who performs the above operation stores or takes out the key in the key storage box 1, and the subsequent process is sequentially output to the printer 10 with time. The operation of the printer 10 will be described below. First, when the key storage box 1 is opened by inputting the correct magnetic card and the numeric keypad 3 and the key is taken out from the key storage box 1,
The time of the clock 9, the box number of the key storage box 1, the identification code of the magnetic card held by the person who opened the key storage box 1, and the fact that the key was taken out are printed. When the person stores the key in the key storage box 1, the time, the box number of the key storage box 1, and the storage of the key are printed. In this way, the key is stored in the key storage box 1 or removed from the key storage unit.
The control circuit 8 judges with 13 outputs. This printer
In the case of 10, if the key storage box 1 is forgotten to be tightened or the door of the key storage box 1 is opened when the card is used (for example, prying open), it is printed out with time.
After the door of the key storage box 1 is opened with the magnetic card and the ten-key pad 3 as shown in FIG. 6 (a), for example, for 40 seconds as shown in FIG. 6 (b) If the door cannot be closed before the lapse of time, an alarm is issued by the buzzer 5 and the magnetic card number, time, and a code indicating forgetting to close (* 1 in Fig. 8) are printed. Will be out. In the case of prying open, as shown in FIG. 7, an alarm operation is started 10 seconds after the door is closed, and the breaking switch 18 detects prying open. The printer 10 prints out a code indicating time and pry open (indicated by * 2 in FIG. 8). This alarm output indicates, for example, that the lid of the key storage device itself has been opened for maintenance, that the control circuit 8 is not operating properly, that the magnetic card has been inserted incorrectly four times or more, or that the personal identification number has been input using the numeric keypad 4. It is output to an external device together with an alarm output when an error occurs more than once. The key storage device described above has a lost card processing function so that the registration can be deleted if the magnetic card is lost.

[Effects of the Invention] As described above, the present invention is a card reader that reads a plurality of key storage boxes for storing keys and a magnetic card in which data for opening the doors of the key storage boxes is written. And the numeric keypad for entering the PIN and the box number of the key storage box that opens, and the magnetic card whose data was read by the above card reader is correct, and the PIN entered by the above numeric keypad is correct At this time, it is equipped with control means for opening the door of the key storage box of the box number entered by using the numeric keypad, and the "data" for opening the door of the key storage box is read from the magnetic card by the card reader. , "PIN code" and "Box number" are entered from the numeric keypad, and these three types of information are displayed on the "Data" by double-checking whether the "Data" is correct and the "PIN" from the numeric keypad is correct.
And the door of the key storage box specified by the "box number" is opened only when both the "password" and "password" are correct.
After two kinds of checks that you have the correct magnetic card and know your PIN, you can open the door by specifying the key storage box, and you can safely manage the key even if you are unattended. It has the effect of being able to.
Moreover, it is possible to open a plurality of key storage boxes by keying in the key storage box to be opened with the ten-key pad, so that it is possible to eliminate the trouble of using a different magnetic card for each key storage box.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention, FIG. 2 is a block diagram showing a circuit configuration of the same, FIG. 3 is a flow chart showing an operation state of the same, and FIGS. 4 to 8 are operations of the same. FIG. Reference numeral 1 is a key storage box, 2 is a card reader, 3 is a ten-key pad, and 8 is a control circuit.

Claims (1)

[Claims] 1. A plurality of key storage boxes for storing keys, a card reader for reading the data of a magnetic card in which data for opening the door of the key storage box is written, and a personal identification number. The numeric keypad for entering the box number of the key storage box to open and the magnetic card whose data was read by the above card reader are correct,
And a control means for opening the door of the key storage box having the box number input by the ten key when the personal identification number input by the ten key is correct.