JP2667075B2 - Key management device for security equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for centrally storing and managing keys used for entering and exiting a room in an office building or the like at an entrance, etc. The present invention relates to a key management device for performing security equipment.

[0002]

2. Description of the Related Art Conventionally, a key management apparatus of this type is known, for example, as shown in FIG. In FIG. 8, reference numeral 1 denotes a key management device, and a key storage unit 2 with a door is provided for each room. To use the key management device 1, a dedicated magnetic card 3 has been issued for each tenant in advance, and when the magnetic card 3 is passed through the card reader unit 4 of the key management device 1, the contents of the magnetic card 3 and the card reader unit 4 When the contents match, the indicator light is turned on and a chime sounds, the lock of the corresponding key storage unit 2 is released, and the door 5 is automatically opened.

At the time of entry and exit, as shown in an enlarged manner in section A, since the key 7 is mounted on the key set section 6 in the open door 5, when the key 7 is turned to the release position as shown by the arrow, the room is opened. The security set state of the security monitoring device installed in the state becomes the released state. Subsequently, when the key 7 is taken out to open the room, the door 5 is closed and automatically locked. When leaving, the door 5 is opened using the magnetic card 3 and the key 7 is set in the key set unit 6 and turned to the caution position indicated by an arrow as shown in the enlarged view of the part B. When the provided security monitoring device is in the alert set state and the door 5 is closed, it is automatically locked.

[0004]

However, in such a conventional key management device, one key storage unit is controlled in correspondence with one magnetic card. In such a time of leaving the office, there is a problem that a plurality of persons often use the devices at the same time, and it takes a long time to perform operations, so that they have to wait in order.

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional problems, and there is no need for control by a magnetic card in a busy time zone so that a key can be inserted and removed by a simple operation. An object is to provide a key management device.

[0006]

In order to achieve this object, the present invention is configured as follows. The reference numerals in the drawings of the embodiments are also shown. First, the present invention includes a plurality of key storage units 11, and unlocks the corresponding specific key storage unit 11 by the electric lock 23 based on the input operation of the magnetic card to the card reader 40 at the time of entering and exiting, so that the key can be inserted and removed. It is intended for a key management device of security equipment that can be freely used.

According to the present invention, such a key management device determines an input operation of an individual magnetic card issued for each key storage unit 11 and unlocks the corresponding key storage unit 11. The discriminating unit 44 and all the key storage units 11
A master card discriminating unit 46 for discriminating an input operation of a master magnetic card common to all of the key storage units. And a timer unit 48 for unlocking.

The present invention also relates to an individual card discriminating section 44 for discriminating an input operation of an individual magnetic card issued for each key storage section 11 and unlocking the corresponding key storage section 11.
A master card discriminating unit 46 for discriminating an input operation of a master magnetic card common to all key storage units 11; Key storage 11
And a ten-key processing unit 60 for unlocking one or a plurality of key storage units 11 specified by input of the ten-key pad 58 during the time set by the timer unit 48. It is characterized by having.

Here, the key storage section 11 is a cylinder member having a key storage groove 12 which can be moved into and out of the apparatus main body, and has a push mechanism 28 for projecting to the outside when the tip is pushed in after the lock of the electric lock 23 is released. It is characterized by the following.

[0010]

According to the key management device for security equipment of the present invention having such a configuration, when a manager or the like reads the master magnetic card into the card reader during morning and evening congestion,
The electric locks of all the storage units are released at the same time for a preset time, so that keys can be inserted and removed without using an individual magnetic card, and waiting in order can be eliminated.

Further, even if all the electric locks are released, the key storage section does not protrude, and when the user presses his / her own key storage section, the key storage section pops out so that the key can be taken in and out. Even if the electric lock is unlocked, the key cannot be easily inserted and removed, and if a master magnetic card is used, the administrator is present until the time set by the timer elapses to ensure safety. be able to.

[0012]

FIG. 1 is an explanatory diagram showing the overall configuration of a key management device according to the present invention. In FIG. 1, reference numeral 10 denotes an apparatus main body, which is installed on a base 9. In this embodiment, a total of 15 rows of 3 rows and 5 rows are provided on the front surface of the apparatus body 10.
Key storage units 11 are provided.

As shown in the upper left corner, the key storage section 11 can be pulled out of the apparatus main body 10 in a state where the lock by the built-in electric lock (electromagnetic solenoid) is released. A key storage groove 12 is formed in an upper part in a state where the key storage part 11 is pulled out, and a key holder 13 having an arbitrary key 7 can be stored in the key storage groove 12. A magnetic card insertion slot 14 is provided in the upper part of the apparatus main body 10, and a card reader having a built-in individual magnetic card issued for each key storage unit 11 or a master magnetic card used for unlocking all key storage units 11. And performs key management control.
In addition, on the right side of the magnetic card insertion slot 14, the instruction manual
7 are provided.

At the top of each of the key storages 11, a card input lamp 15 and a security set / reset lamp 16 known as a position lamp are provided. The card input lamp 15 is a valid card input when it is detected that the contents of the card read by the reader / writer coincide with the contents stored in the memory unit when the individual magnetic card is inserted from the magnetic card insertion slot 14. When it is determined, the lamp is turned on to notify that the lock of the key storage unit 11 has been released and the key storage unit 11 can be pulled out.

When the master magnetic card is inserted into the magnetic slot 14, the card input lamps 15 provided in all the key storage sections 11 are lit to indicate that the card can be pulled out. . The security set / reset lamp 16 displays the status of the security monitoring device in the section or room used by the corresponding tenant. That is, the red lamp is turned on when the guard is released, in which the door of the corresponding room is not locked, and turned off when the guard is set.

FIG. 2 is an explanatory view showing a built-in structure of the three rows of key storage units 11 built into the apparatus main body 10 of FIG. In FIG. 2, the key storage unit 11 shown in a pulled-out state at the right end.
As is clear from FIG. 2, the key storage portion 11 has a cylindrical cylinder portion 21 on the front end side, and a rectangular portion 22 at the rear end following the cylinder portion 21. The cylinder portion 21 passes through a circular hole of the device panel. It can be moved in and out, but the rectangular part 2 at the rear end
At position 2, it hits the panel hole to prevent slipping out.

A key storage groove 12 is formed in the upper part of the cylinder portion 21 in the longitudinal direction.
Is formed so that the stored key ring 13 can be easily taken out. The key storage unit 11 is slidably incorporated in a storage case 18 having a rectangular hole. A switch hole 19 is opened at an upper position of the storage case 18 corresponding to a position where each key storage portion is installed. A support piece 32 of an electromagnetic solenoid used as an electric lock, which will be described later, stands upright behind the switch hole 19.

A circuit board 20 is disposed above the storage case 18 as shown by a broken line, and the circuit board 20 is supported by an L-shaped bracket 33 fixed to the upper part of the storage case 18. FIG. 3 is a side sectional view of FIG. 2, showing a state where the key storage unit 11 is pushed and held in the storage case 18. In FIG. 3, an electromagnetic solenoid 23 used as an electric lock is attached to a support piece 32 erected above the storage case 18. The electromagnetic solenoid 23 projects the plunger 24 in the off state and inserts it into a pin hole 25 provided in the rectangular portion 22 at the rear end of the key storage portion 11 to prevent the electromagnetic solenoid 23 from coming out.

When the electromagnetic solenoid 23 is energized, the plunger 24 is pulled out of the pin hole, and the lock of the key storage is released. The electromagnetic solenoid 23 which operates as this electric lock
ON / OFF control is performed based on the input operation of the individual magnetic card and the master magnetic card to the reader / writer. A detection switch 26 is attached to a lower portion of the circuit board 20 disposed on the storage case 18. The detection switch 26 has a switch lever 27 facing downward, and the switch lever 27 detects the presence or absence of the key holder 13 housed in the key storage unit 11 via the switch hole 19 shown in FIG. For example, as shown, if the key holder 13 is inserted, the switch lever 27 is pushed up and the detection switch 26 is turned on. On the other hand, if the key ring 13 is not inserted, the switch lever 27 is further lowered, and the detection switch 26 is turned off.

The switch signal of the detection switch 26 for detecting the presence or absence of the key ring 13 is used for outputting a warning set signal and a warning release signal for a security monitoring device provided in a room or a section for each tenant corresponding to the key storage unit 11. Is done. That is, when the key storage unit 11 is in the storage state, the detection switch 26
Outputs a security set signal to the security monitoring device when the key ring 13 is detected, and outputs a security release signal if the key ring 13 is not detected because the tenant is using the key.

Further, the key storage unit 1 stored in the storage case 18
A push mechanism 28 is provided at the rear of the unit 1. Even if the lock is released by energizing the electromagnetic solenoid 23, the push mechanism 28 does not push out the key storage portion 11 in this state, and the user pushes the tip exposed to the outside of the key storage portion 11 to push the pressing portion 29. Is pushed into the push mechanism 28, the latch of the built-in spring is released, and the key storage 11
Is provided with a mechanism structure for pushing the outside.

As described above, as the push mechanism 28 which cannot be pushed out unless the key storage portion 11 is pushed in once, for example, a magnet latch ML80 manufactured by Sugatune KK
A mold or the like can be used. FIG. 4 is an explanatory diagram of the key ring 13 used in the key management device of the present invention. In FIG. 4, the key ring 13 has two plates 34 arranged with a space therebetween, and the plates 34 are fixed by fixing screws 35, and the key 7 can be inserted inside by removing the fixing screws 35. The key 7 is rotatably attached to the fixing screw 35. When the key 7 is used, it is taken out, and when it is put in the key storage device, it is put in the key holder 13 as indicated by a broken line 7 '.

The plate 34 is provided with a check hole 36 so that it is possible to confirm that the key 7 is in the housed state, and at the same time, to easily remove the key 7 'in the housed state. FIG. 5 is a block diagram of an embodiment of a control circuit of the key management device of the present invention. In FIG. 5, reference numeral 40 denotes a card reader. In the present invention, an individual magnetic card for controlling an electric lock for each key storage unit 11 and all key storage units 11 are provided.
Of the master magnetic card for controlling the electric lock of the present embodiment. The reading result of the card reader 40 is determined by the determining unit 4
2 given. The determination unit 42 is configured by a CPU, and includes an individual card determination unit 44, a master card determination unit 46, and a timer unit 48, which are realized by program control.

A memory unit 50 is provided for the judgment unit 42.
Are provided, and the recorded contents of the magnetic card determined for each key storage unit 11 are stored as a reference value, and are used for matching and collating the reference value with the contents of the magnetic card read by the card reader 40. The individual card discriminating section 44 provided in the judging section 42 compares and verifies the contents of the individual magnetic card read by the card reader 40 with the card contents stored in the memory section 50, and locks the lock if the card contents match. A command is issued to the unit 52 to unlock the key storage unit corresponding to the contents of the magnetic card. The lock control unit 52 is connected to an electromagnetic solenoid 23 that operates as an electric lock provided for each of the plurality of key storage units 11. Based on a control command from the individual card determination unit 44, the corresponding electromagnetic solenoid 23 is energized. Then, unlock the key storage unit.

The discrimination result of the individual magnetic card by the individual card discriminating section 44 is also given to the display control section 54, and based on the coincidence of the contents of the individual magnetic card, the corresponding card input lamp 15 is turned on and the key storage section is turned on. Notify the user that 11 is ready to be taken out. Further, a security set command unit 56 is provided, and based on a detection signal of a detection switch 26 that detects the presence or absence of a key ring provided in the key storage unit 11, a security set signal or a security set signal is sent to a security monitoring device corresponding to the key storage unit 11. A warning release signal is output. The output from the security set command section 56 is output to the display control section 54.
The display controller 54 turns off the corresponding security set / reset lamp 16 when the security set signal is output, and turns on the security set / reset lamp 16 when the security release signal is output.

On the other hand, the master card discriminating section 46 provided in the discriminating section 42 receives the reading result of the master magnetic card by the card reader 40 and performs comparison and collation with the contents of the master card stored in the memory section 50 in advance. When the contents of the card match, an activation signal is output to the timer unit 48. A predetermined unlocking time T1 is set in the timer unit 48. When a start signal is received from the master card discriminating unit 46, the timer operation starts, and all the keys are transmitted to the lock control unit 52 over the unlocking time T. The electromagnetic solenoid 23 of the housing 11 is energized to release the lock.

Therefore, during the lock release time T during which the timer section 48 is operating, it is not necessary to release the lock using the individual magnetic card, all the key storage sections are in the unlocked state, and the card input lamp 15 is turned on. 1, the user can pull out the key storage unit 11 to the key extraction state as shown in FIG. 1 simply by pushing the tip of the key storage unit 11.

For this reason, even when there are many users of the key management device, such as a work time zone and a leaving time zone, a time-consuming operation with an individual magnetic card is not required at all, and the key can be easily taken in and out. It is possible to solve the problem of waiting in turn before the key management device. Further, the master magnetic card is held by the manager and inserted into the key management device at the commencement time of starting work and the start time of leaving, so that all the key storage units 11 are unlocked. It is desirable to prevent accidental removal of the key by an outsider by standing in front of the server.

FIG. 6 is an explanatory view showing another embodiment of the key management device of the present invention. This embodiment is characterized in that a ten-key 58 is newly provided in addition to the configuration of FIG. And In addition, a total of 42 lines are provided on the panel surface of the apparatus main body 10 with two lines of three rows and seven columns. The magnetic card insertion slot 14 is provided on the numeric keypad 58. The magnetic card insertion slot 14 has a structure in which the card is inserted into the upper portion and slid downward as in the conventional example of FIG.

In this embodiment, the numeric keypad 58 is used during the lock release time when the input operation of the master magnetic card is performed.
When an input operation for designating one or a plurality of key storage units 11 is performed by the user, the lock of the key storage units 11 specified by the ten keys 58 can be unlocked all at once, and the key can be locked by using the ten keys 58 instead of the individual magnetic card. It is characterized in that it can be taken in and out.

FIG. 7 is a block diagram of an embodiment showing a control circuit of the embodiment provided with the numeric keypad 58 of FIG. In the control circuit of FIG. 7, the ten key 58 and the ten key processing unit 6 are newly added.
0 is provided. The master card discriminating section 46 is the same as that of the embodiment of FIG.
Operate. In this embodiment, the timer output of the timer unit 48 is supplied to the numeric key processing unit 60, and the function of the numeric key processing unit 60 is enabled over the lock release time T.

During the lock release time T receiving the timer signal from the timer section 48, the numeric keypad processing section 60
Then, the key control unit 52 decodes the designated code of the key storage unit 11 from 8 and energizes the electromagnetic solenoid 23 of the key storage unit 11 corresponding to the designated code from the lock control unit 52 to release the lock. Key storage unit 11 for unlocking in numeric keypad processing unit 60
Can be specified individually for each key storage unit 11 and at the same time, a plurality of key storage units 11 can be specified as one group using the numeric keypad. For example, when a plurality of rooms are used by one tenant, one ten key code is assigned to the tenant, and the ten key processing unit 60 registers a plurality of key storage units 11 for the ten key code. By inputting a key code indicating a group, a plurality of key storage units 11 included in the group can be unlocked.

Other configurations and operations are the same as those of the embodiment of FIG. In the above embodiment, the key storage unit 11
The signal from the detection switch 26 for detecting the removal of the key ring 13 from the remote control of the security set or the security release of the security monitoring device of the corresponding section or room is remotely controlled. And an air conditioner, lighting, an elevator and the like in the room may be controlled in conjunction with each other.

[0034]

As described above, according to the present invention, the number of keys to be managed increases as the size of the building or equipment increases, and the use of the master magnetic card is performed in a time period when the operation in the morning and evening is crowded. By unlocking the electric locks of all the key storage sections, the operation time can be greatly reduced as compared with the operation of the individual magnetic card, and keys can be inserted and removed efficiently without waiting in order.

In addition, there is an advantage that the key used for the related room or section can be easily taken in and out by operating the master magnetic card even at the time of checking such as equipment inspection. Further, the lock release time T by the timer unit 48 can be variably set as needed.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an overall configuration of the present invention.

FIG. 2 is an explanatory view showing storage mechanisms arranged in three rows in FIG. 1;

FIG. 3 is a side view of the storage mechanism of FIG. 2;

FIG. 4 is an explanatory view of a key ring used in the present invention.

FIG. 5 is a configuration diagram showing an embodiment of the present invention.

FIG. 6 is an explanatory view showing the overall configuration of the present invention including a numeric keypad.

FIG. 7 is a block diagram showing another embodiment of the control circuit of the present invention, which is controlled by a master magnetic card and a ten-key input.

FIG. 8 is an explanatory diagram of a conventional key management device.

[Explanation of symbols]

 7: Key 3: Magnetic card 10: Key management device 11: Key storage member 12: Key storage groove 13: Key holder 14: Magnetic card slot 15: Card input lamp 16: Security set / reset lamp 17: Instruction manual 18: Storage case 19: Switch hole 20: Circuit board 21: Cylinder part 22: Rectangular part 23: Electromagnetic solenoid (electric lock) 24: Lock pin 25: Pin hole 26: Detection switch 27: Switch lever 28: Push mechanism 29: Pressing part 30: Panel 31: Depression 32: Support piece 33: L-shaped bracket 34: Plate 35: Fixing screw 36: Check hole 40: Card reader 42: Judging part 44: Individual card discriminating part 46: Master card discriminating part 48 : Timer section 50: Memory section 52: Lock control section 54: Display control section 56: Security set command section 58: Tele Key 60: the numeric keypad processing unit

Claims (3)

(57) [Claims] 1. A security system comprising a plurality of key storage units, wherein a lock of a specific key storage unit corresponding to a specific key storage unit is released by an electric lock based on an input operation of a magnetic card to a card reader when entering and exiting, so that keys can be freely inserted and removed. In the key management device of the equipment, an individual card discriminating unit for discriminating an input operation of an individual magnetic card issued for each key storage unit and unlocking the corresponding key storage unit, A master card discriminating unit for discriminating an input operation of a common master magnetic card; and a master card discriminating unit which is activated when the input operation by the master magnetic card is discriminated and unlocks all the key storage units for a predetermined time. A key unit for security equipment, comprising: 2. A security system comprising a plurality of key storage sections, wherein a specific key storage section is unlocked by an electric lock based on an input operation of a magnetic card to a card reader at the time of entry and exit so that keys can be freely inserted and removed. In the key management device of the equipment, an individual card discriminating unit for discriminating an input operation of an individual magnetic card issued for each key storage unit and unlocking the corresponding key storage unit, A master card discriminating section for discriminating an input operation of a common master magnetic card; and setting when the master card discriminating section is activated when the input operation by the master magnetic card is discriminated. And a ten-key processing unit for unlocking one or more key storage units designated by the ten-key input during a time set by the timer unit. A key management device for security equipment, characterized in that: 3. A key management device for security equipment according to claim 1, wherein said key storage portion is a cylinder member having a key storage groove which can be protruded and retracted in a device main body. A key management device for security equipment, comprising: a push mechanism that pushes a tip after the lock is released to project outside.