JP2016014272A - Locking management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a security risk of a possibility that a finder of a lost key can invade/exit through a gate door as well as suppress occurrence of complex processing accompanying the loss of the key.SOLUTION: A locking management system 1 comprises: a plurality of key devices 10; and management devices (branch office management device 20 and head office management device 30). Each of the plurality of key devices 10 comprises: an electronic lock 12 provided at a gate door for restricting unauthorized invasion into a facility; a reading unit 11 for reading identification information from an IC card in a non-contact manner; and a key device control unit 17 for unlocking the electronic lock when the identification information read by the reading unit 11 agrees with collation information previously stored. The management device comprises: a registration unit (reading unit 21 and storage unit 22) for registering collation information; and a management device control unit (branch office management device control unit 25) for transmitting the collation information registered in the registration unit to the plurality of key devices 10. When receiving the collation information from the management device, the key device control unit 17 updates its own collation information.

Description

  The present invention relates to a lock management system.

Conventionally, in a railway facility such as a Shinkansen, a fence provided with a gate at predetermined intervals along the train track is laid and a lock is installed on the gate to limit access to the railway.
Such gates are normally locked and closed, and only a person who is authorized for reasons such as maintenance work performed at night can hold the key, unlock the lock, and enter the railway facility.

In recent years, locks called IC keys that are unlocked by passing and collating information between an IC chip embedded in the key and the lock body have become widespread as locks installed on gates (for example, patent documents). 1).
When entering or exiting the gate, the authorized person carries an ID card and IC key that guarantees their identity, contacts the management room with an ID radio, receives approval, and then uses the IC key to enter the gate. The door was unlocked and entered into the gate, and at the end of a predetermined operation, the gate was locked with an IC key, and an end radio was communicated to the management room using an ID radio.

JP 7-271929 A

  However, in the above method, if the IC key is lost, the finder can go in and out of the gate. For security reasons, the IC key data of all the owners of the IC key is lost when the IC key is lost. Had to be rewritten. At this time, a large-scale railway facility has a large number of people who hold IC keys, so that there is a problem that rewriting work takes much time.

  An object of the present invention is to provide a locking management system that can reduce the security risk that a finder can enter and exit the gate when the key is lost, and can suppress the occurrence of complicated processing due to the loss of the key. Is to provide.

In order to achieve the above object, the present invention provides:
In a lock management system comprising a plurality of key devices and a management device capable of communicating with the plurality of key devices via a communication network,
Each of the plurality of key devices is
An electronic lock provided at the gate that restricts access to the facility,
A reading unit for reading the identification information of the IC card;
A key device control unit that unlocks the electronic lock when the identification information read by the reading unit matches pre-stored verification information;
With
The management device
A registration unit for registering the verification information;
A management device control unit that transmits the verification information registered in the registration unit to the key device;
With
The key device control unit updates the verification information when receiving the verification information from the management device.

According to such a configuration,
If the IC card that is the key for the electronic lock is lost, the IC card cannot be unlocked by simply instructing from the management device and updating the verification information of the key device.
Therefore, it is possible to reduce the security risk that the finder can enter and exit the gate, and it is possible to suppress the occurrence of complicated processing due to loss of keys such as rewriting of data of all IC cards.

Also, preferably
The key device control unit overwrites the verification information when the verification information is received from the management device.
By doing so, it is only necessary to overwrite the verification information when updating the verification information, so that the processing can be executed more quickly.

Also, preferably
The plurality of key devices include a storage unit that stores history information indicating a history of unlocking and locking of the electronic lock,
The management device control unit of the management device periodically acquires the history information from the plurality of key devices.
In this way, it is possible to grasp the lock status of multiple key devices remotely, so that even if there is an unlocked gate, it can be promptly dealt with and the risk of intrusion by a third party, etc. Can be suppressed.

Also, preferably
The communication network uses a leaky coaxial cable (LCX: Leaky CoaXia cable) line laid in the railway facility along the train track.
In this way, since the system can be operated using the already established network, the construction of the system can be realized at a low cost.
In addition, leaky coaxial cables are installed inside railway facilities where third parties cannot easily enter along with train startup, so there is little risk of disconnection by third parties and a good communication environment is maintained. can do.

  According to the present invention, when the key is lost, the security risk that the finder can enter and exit the gate can be reduced, and the occurrence of complicated processing accompanying the loss of the key can be suppressed.

It is a block diagram which shows the structure of the locking management system of embodiment of this invention. It is a flowchart which shows the unlocking process of the electronic lock in a key apparatus. It is a flowchart which shows the locking confirmation process in a locking management system.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited to the illustrated example.

<Lock management system>
First, with reference to FIG. 1, the lock management system 1 of this Embodiment is demonstrated. FIG. 1 is a block diagram showing a configuration of the locking management system 1.

The lock management system 1 collectively manages keys used for opening and closing a plurality of gates provided at predetermined intervals on a fence laid along a train track in a railway facility such as a Shinkansen, and also locks a plurality of gates. It is a system for grasping and managing the situation.
The gates managed by the lock management system 1 are normally locked and closed, and those who are permitted to open and close the gates (for example, workers in maintenance work of equipment inside the gates, “Allowed” Unlocking and entering the inside is permitted.
Moreover, in the locking management system 1 of this Embodiment, it is the structure by which the general purpose non-contact-type IC card which an authorized person owns is used as a key used for opening and closing of a gate. Specifically, as an IC card that can be used, for example, a proximity / non-contact type IC card (for example, Suica (registered trademark)) that is used for transportation.

As shown in FIG. 1, the lock management system 1 includes a key device 10, a branch office management device (management device) 20, and a headquarters management device (management device) 30. Each device is connected via a communication network 40 so that it can always communicate.
One key device 10 is installed in each of a plurality (for example, several thousand) of gates. Although only one key device 10 is shown in FIG. 1, a plurality of (for example, several thousand) key devices 10 are actually connected to the communication network 40.
The branch office management device 20 is an information processing device such as a personal computer installed in each predetermined area such as Kanto, Tohoku, and the like. Although only one branch management device 20 is shown in FIG. 1, a plurality of (for example, several) branch management devices 20 are actually connected to the communication network 40. The branch office management device 20 can always communicate with the key device 10 in the area where the branch office management device 20 is installed.
The head office management device 30 can use an information processing device having a relatively high processing capability such as a personal computer, a workstation, a server computer, or the like. The head office management device 30 controls the plurality of branch office management devices 20 in an integrated manner.

  Hereinafter, each apparatus which comprises the locking management system 1 is demonstrated.

<Key device>
The key device 10 includes a reading unit 11, an electronic lock 12, a storage unit 13, a communication unit 14, a power supply unit 15, an error output unit 16, and a key device control unit 17. Each part of the key device 10 is connected to each other via a bus 18.

The reading unit 11 is a card reader that reads the identification information of an IC card held by a person who attempts to unlock the gate on which the key device 10 is installed, in a non-contact manner.
Here, as described above, the IC card functions as a key for unlocking the electronic lock 12. Various information such as identification information unique to the IC card, personal information of the person who owns the IC card, type of IC card, use history of transportation when using the IC card, and the like are recorded on the IC card. ing.
The reading unit 11 includes a memory, and identification information data of an IC card possessed by an authorized person is stored in advance as verification information.
The reading unit 11 reads the identification information stored in the IC card when the authorized person holds the IC card over the reading unit 11 and closes the IC card within a certain distance, and compares it with the verification information. When the identification information matches the verification information, an unlocking permission signal is output to the key device control unit 17.
The reading unit 11 outputs an error signal to the key device control unit 17 when the read identification information does not match the verification information.

The electronic lock 12 is a lock that shifts from the locked state to the unlocked state in response to the unlock request signal output from the key device control unit 17 in response to the unlocking permission signal output from the reading unit 11.
As the electronic lock 12, for example, a padlock type body having a main body and a latch can be used. In the case of such a configuration, the latch is moved using a magnetic force such as an electromagnet (solenoid) in accordance with the unlock request signal transmitted from the key device control unit 17, and the transition is made from the locked state to the unlocked state.
The electronic lock 12 is not limited to a configuration in which the padlock latch is moved using an electromagnet as long as the electronic lock 12 transitions from the locked state to the unlocked state in response to the unlocking request signal. A lock other than the mold may be used.
Further, the electronic lock 12 may be configured such that locking is automatically performed according to the instruction signal, but may be configured to be performed manually.
The electronic lock 12 is provided with a limit switch that switches in conjunction with the unlocking and locking of the electronic lock 12, and in the locked state, a lock signal indicating that the electronic lock 12 is locked is sent to the key device control unit 17. Output.

The storage unit 13 includes, for example, a flash memory, an EEPROM (Electrically Erasable Programmable Read Only Memory), and the like, and can read and write information.
The storage unit 13 stores history information indicating a history of unlocking and locking the electronic lock 12.
Specifically, the history information includes, for example, an electronic lock identification code for identifying the electronic lock 12, the time when the electronic lock 12 is unlocked, the identification information of the IC card used for unlocking the electronic lock 12, The personal information of the person who owns the IC card, the time of locking, and the like are included, and history information is added to the storage unit 13 each time the electronic lock 12 is unlocked or locked.

  The communication unit 14 communicates with the branch office management device 20 and the head office management device 30 via the communication network 40.

  The power supply unit 15 supplies power to each unit of the key device 10.

  The error output unit 16 includes, for example, a lamp, a speaker, a display screen, and the like, and operates so that an error can be recognized by lighting, outputting an error sound, displaying an error message, or the like according to an error signal. .

The key device control unit 17 controls each unit of the key device 10. The key device control unit 17 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), and a ROM (Read Only Memory).
Various data and programs are stored in the ROM. The program designated by the CPU is read from the ROM and expanded in the RAM, and the key device control unit 17 performs various processes in cooperation with the expanded program and the CPU.

For example, when receiving the identification information data (verification information) of the authorized person's IC card from the branch office management device 20, the key device control unit 17 stores it in the memory of the reading unit 11. Here, when the verification information is already stored in the memory of the reading unit 11, it is updated by overwriting the existing verification information with the newly received identification information data (verification information).
In addition, the key device control unit 17 outputs an unlock request signal to the electronic lock 12 in response to the unlocking permission signal output from the reading unit 11 to unlock the electronic lock 12.
The key device control unit 17 also stores in the storage unit 13 the time when the electronic lock 12 is unlocked, the identification information of the IC card that unlocked the electronic lock 12, the personal information of the person who owns the IC card, and the like. Remember me.
When the key device control unit 17 receives a history information transmission request signal (described later) from the branch management device 20, the key device control unit 17 transmits all the history information data stored in the storage unit 13 to the branch management device 20.

<Branch terminal device>
The branch office management device 20 is mainly for managing one to a plurality of (for example, one to several hundred) key devices 10 in an area where the branch office management device 20 is installed. The branch office management device 20 is used, for example, when an authorized person registers an IC card as a key for unlocking the key device 10 installed at the gate.

  The branch office management device 20 includes a reading unit (registration unit) 21, a storage unit (registration unit) 22, an operation unit 23, a communication unit 24, and a branch office management device control unit (management device control unit) 25. . Each part of the branch office management apparatus 20 is connected to each other via a bus 26.

  The reading unit 21 is a card reader that reads the identification information of the IC card in a non-contact manner. That is, the authorized person brings the IC card close to a certain distance by holding it over the reading unit 21 and causes the reading unit 21 to read the identification information stored in the IC card.

The storage unit 22 includes, for example, a flash memory, an EEPROM (Electrically Erasable Programmable Read Only Memory), and the like, and can read and write information.
The storage unit 22 stores (registers) the identification information of the authorized person's IC card read by the reading unit 21. Thereby, the identification information of the IC card is registered as a key for unlocking the gate.
The registered identification information can be deleted by operating the operation unit 23.

The operation unit 23 receives an operation input from a user who operates the branch office management apparatus 20, and outputs the operation information to the branch office management apparatus control unit 25.
For example, the operation unit 23 is used when the identification information stored (registered) in the storage unit 22 is deleted.

The communication unit 24 communicates with the key device 10 and the headquarter management device 30 via the communication network 40.
In the communication with the key device 10, the communication unit 24 can be configured to perform wireless communication with a base station (not shown) on the communication network 40. That is, the communication unit 24 can be configured to communicate with the key device 10 via the base station and the communication network 40.

The branch office management apparatus control unit 25 controls each part of the branch office management apparatus 20. The branch office management device control unit 25 includes a CPU, a RAM, and a ROM.
Various data and programs are stored in the ROM. A program designated by the CPU is read from the ROM and expanded in the RAM, and the branch office management apparatus control unit 25 performs various processes in cooperation with the expanded program and the CPU.
For example, the branch office management apparatus control unit 25 periodically (e.g., once a day at a predetermined time) stores the IC card identification information data (registered) stored in the storage unit 22 as a key device. 10 and the headquarters management apparatus 30. The identification information data transmitted to the key device 10 and the head office management device 30 includes identification information of all IC cards stored (registered) in the storage unit 22.
Further, when receiving a history information acquisition request signal (described later) from the head office management device 30, the branch office management device control unit 25 transmits a history information transmission request signal to the key device 10.
When the branch management device control unit 25 receives history information data from the key device 10, the branch office management device control unit 25 transmits the history information data to the head office management device 30.

<Headquarters terminal device>
The headquarters management device 30 is used to collectively manage identification information of keys (IC cards) of all the key devices 10 and to grasp and manage the unlocking / locking status of all the key devices 10.

  The headquarters management device 30 includes a display unit 31, an operation unit 32, a storage unit 33, a communication unit 34, and a headquarters management device control unit (management device control unit) 35. Each unit of the headquarters management apparatus 30 is connected to each other via a bus 36.

  The display unit 31 includes a display panel such as an LCD (Liquid Crystal Display), and performs various displays on the display panel in accordance with instructions from the headquarter management device control unit 35.

  The operation unit 32 receives an operation input from a user who operates the headquarters management device 30 and outputs the operation information to the headquarters management device control unit 35.

The storage unit 33 includes a flash memory, an EEPROM (Electrically Erasable Programmable Read Only Memory), and the like, and can read and write information.
The storage unit 33 stores history information regarding all the key devices 10 transmitted via the branch office management devices 20.
Specifically, the history information includes, for example, a time (reception time) when the headquarters management device 30 receives the history information, a terminal device identification code that identifies the branch office management device 20 that has transmitted the history information, and an electronic lock 12. An electronic lock identification code for identifying the electronic lock, the time when the electronic lock 12 is unlocked, the identification information of the IC card used to unlock the electronic lock 12, the personal information of the person who owns the IC card, and the time when the electronic lock is locked Etc. are included.
In addition, identification information is stored (updated) in the storage unit 33 based on identification information data periodically transmitted from the branch office management apparatus 20.

  The communication unit 34 communicates with the key device 10 and the branch office management device 20 via the communication network 40.

The headquarter management device control unit 35 controls each unit of the headquarters management device 30. The headquarters management device control unit 35 includes a CPU, a RAM, and a ROM.
Various data and programs are stored in the ROM. The program designated by the CPU is read from the ROM and expanded in the RAM, and the key device control unit 17 performs various processes in cooperation with the expanded program and the CPU.

For example, the headquarters management device control unit 35 periodically performs a lock confirmation process for confirming the unlocking / locking status of the key device 10.
Specifically, the headquarters management device control unit 35 periodically transmits a history information acquisition request signal to the branch office management device 20. Then, the headquarter management device control unit 35 stores the history information in the storage unit 33 when the history information data is received from the branch office management device 20 as a response to the acquisition request signal.
Here, a plurality of branch office management devices 20 are provided, for example, for each area. Each branch office management device 20 receives history information data from one to a plurality of (for example, one to several hundreds) key devices 10. Obtain it and send it to the headquarters management device 30. For this reason, the headquarters management device 30 acquires the history information data of all (for example, several thousand) key devices 10.

For the communication network 40, for example, a leaky coaxial cable (LCX: Leaky CoaXia cable) line laid inside a gate (a railway facility installed along a train track such as a bullet train) is used.
A leaky coaxial cable has a hole formed in the outer conductor according to the frequency band used, and has the characteristics of transmitting an electrical signal and acting as a transmission / reception antenna. Is laid on railway tracks, tunnels, subways, etc. For this reason, when this locking management system 1 is used in a railway facility, it is difficult for a communication failure to occur, and a locking confirmation process or the like can be performed smoothly.
Further, since the leaky coaxial cable is provided inside the gate, there is little risk of being cut by a third party, and a good communication environment can be maintained.

  Next, with reference to FIG. 2, 3, the operation method of the lock management system 1 of this Embodiment is demonstrated.

<Register IC card>
In the operation of the lock management system 1, first, the branch management apparatus 20 registers the identification information of the authorized person's IC card.
Specifically, when an authorized person brings the IC card closer to the reading unit 21 of the branch office management apparatus 20, the identification information of the IC card is read by the reading unit 21 and stored (registered) in the storage unit 22.
The branch office management device controller 25 of the branch office management device 20 transmits identification information data including identification information of all registered IC cards to the key device 10 and the head office management device 30 as inquiry information at a predetermined time.
The key device control unit 17 of the key device 10 and the headquarters management device control unit 35 of the headquarters management device 30 receive identification information data from the branch office management device 20 and store (update) them in the memory and the storage unit 33 of the reading unit 11, respectively. )
Even if the new IC card identification information is not registered in the branch office management apparatus 20, the branch office management apparatus 20 will receive all of the information stored in the storage unit 22 at that time when the predetermined time comes. Data of identification information including identification information is transmitted to the key device 10 and the headquarters management device 30.

By such processing, in each key device 10, the inquiry information used for inquiry when unlocking the electronic lock 12 of the key device 10 is periodically updated.
Further, the headquarters management device 30 can grasp the IC cards that can unlock the electronic lock 12 for all the key devices 10.
Here, consider a case where an authorized person loses a registered IC card.
In this case, the branch office management apparatus 20 deletes the identification information of the IC card from the storage unit 33 when the loss is detected. Then, the identification information data from which the identification information of the IC card has been deleted may be transmitted to the key device 10 and the head office management device 30.
As a result, troubles such as rewriting of an IC card held by another authorized person do not occur, and it becomes impossible for a third party to unlock the key device 10 using the lost IC card.

<Unlocking electronic lock>
FIG. 2 is a flowchart showing the unlocking process of the electronic lock 12 in the key device 10.
Such processing is executed under the control of the key device control unit 17 of the key device 10.
When unlocking the gate, when the IC card whose identification information has been registered by the branch office management device 20 is brought close to the reading unit 11 of the key device 10, the identification information of the IC card is read (S11).
Next, when the read identification information matches the pre-stored verification information (S12; Y), the electronic lock 12 is unlocked (S13), and the history information that the electronic lock 12 is unlocked is stored in the storage unit 13. (S14).
If the read identification information does not match the pre-stored verification information (S12; N), an error is output by the error output unit 16 (S15).

  When the electronic lock 12 is unlocked as described above, the lock signal is not output from the limit switch. Thereafter, when a lock signal is output, it is determined that the electronic lock 12 is in a locked state (S16; Y), and history information that the electronic lock 12 is locked is stored in the storage unit 13 (S17). .

By such processing, an authorized person can unlock the electronic lock 12 simply by bringing the IC card closer to the reading unit 11. That is, the electronic lock 12 can be unlocked with a simple operation.
Further, each key device 10 can store history information on unlocking / locking of the electronic lock 12.

<Lock confirmation process>
FIG. 3 is a flowchart showing the lock confirmation processing in the lock management system 1.
The lock confirmation process is periodically executed in accordance with an instruction from the head office management apparatus 30 under the collective management of the head office management apparatus 30.
First, the headquarters management device 30 transmits a history information acquisition request signal to the branch office management device 20 connected via the communication network 40 at a predetermined time (S21; Y) (T22).
Next, when the branch management device 20 receives the history information acquisition request signal transmitted from the head office management device 30, the branch management device 20 sends a history information transmission request signal to the key devices 10 in the jurisdiction area of the branch management device 20 in order. Transmit (T23).
Next, when receiving the history information transmission request signal from the branch management device 20, the key device 10 transmits the history information data to the branch management device 20 (T24).
Next, upon receiving the history information data from the key device 10, the branch office management device 20 transmits the history information data to the head office management device 30 (T25).
Next, the headquarters management device 30 receives history information data from the branch office management device 20, and stores the history information in the storage unit 33 (S26).

As described above, since the branch office management device 20 transmits a history information transmission request signal to a plurality of key devices 10, one branch management device 20 has a plurality of (for example, several hundred) key devices 10. History information will be received.
Further, as described above, the headquarter management device 30 transmits history information acquisition request signals to a plurality of branch office management devices 20, and as a result, history information of a plurality (eg, several thousand) of key devices 10 is obtained. The headquarters management apparatus 30 acquires the data.

  By such processing, the headquarters management device 30 can collectively manage history information of all the key devices 10 provided at the gate, and can grasp the unlocking / locking status.

As described above, according to the present embodiment, a plurality of key devices 10 and management devices (branch management device 20 and headquarters management device 30) that can communicate with the plurality of key devices 10 via the communication network 40 are provided. In the locking management system 1 provided, each of the plurality of key devices 10 includes an electronic lock 12 provided at a gate that restricts access to a facility, a reading unit 11 that reads identification information of an IC card in a non-contact manner, and a reading And a key device control unit 17 for unlocking the electronic lock when the identification information read by the unit 11 coincides with the previously stored verification information, and the management device registers the verification information (reading). Unit 21 and storage unit 22) and a management device control unit (branch management device control unit 25) that transmits the verification information registered in the registration unit to the plurality of key devices 10, and the key device control unit 17 includes: Verification information from the management device It is received, and updates the collation information.
For this reason, if the authorized person loses the IC card, the IC card cannot be unlocked only by rewriting the verification information of the key device by instructing from the management device.
Therefore, it is possible to reduce the security risk that the finder can enter and exit the gate, and it is possible to suppress the occurrence of complicated processing due to loss of keys such as rewriting of data of all IC cards.

Further, according to the present embodiment, when receiving the verification information from the management device (branch management device 20), the key device control unit 17 overwrites the verification information.
For this reason, when the verification information is updated, the verification information need only be overwritten, so that the processing can be executed more quickly.

Moreover, according to this embodiment, the some key apparatus 10 is provided with the memory | storage part 13 which memorize | stores the log | history information which shows the log | history of the unlocking and locking of the electronic lock 12, and the management apparatus control part (branch management apparatus) of a management apparatus. The control unit 25 and the headquarter management device control unit 35) periodically acquire history information from the plurality of key devices 10.
For this reason, since the locking status of the plurality of key devices 10 can be grasped remotely, even if there is an unlocked gate, a prompt action can be taken and the occurrence of risks such as intrusion by a third party can be suppressed. be able to.

Moreover, according to this embodiment, the leaky coaxial cable line laid in the railway facility along the train track is used for the communication network 40.
For this reason, since the system can be operated using the already established network, the construction of the system can be realized at low cost.
In addition, the leaky coaxial cable line is laid along the start of the train such as the Shinkansen, and is provided inside the gate where a third party cannot easily enter. For this reason, there is little risk that the leaky coaxial cable is cut by a third party, and a favorable communication environment can be obtained.

In the above embodiment, the management device includes the branch management device 20 and the headquarters management device 30, and the headquarters management device 30 issues an instruction to the branch management device 20 to collectively manage the key devices 10. As described above, it is needless to say that the head office management device 30 and the branch office management device 20 may be configured as one management device.
When the locking management system 1 is applied to a facility over a wide area as in the above embodiment, it is possible to perform processing such as history information acquisition more efficiently if the branch management device 20 is provided. The configuration of the management device may be changed as appropriate according to the number and the area of the area.

  Moreover, in the said embodiment, when the key apparatus control part 17 received the information for collation from the management apparatus, and demonstrated the structure which overwrites the information for collation, the change location of the identification information data of IC card was demonstrated. May be transmitted from the management apparatus, and only that part may be rewritten (addition and deletion of data).

Moreover, in the said embodiment, although the case where the locking management system 1 was applied and demonstrated to the some gate provided in the fence laid along train tracks, such as a Shinkansen, was demonstrated, the locking management system 1 is This is applicable to gates that restrict access to other facilities.
Of course, communication networks other than leaky coaxial cable lines can be used.

In the above embodiment, the key device 10 is configured to transmit history information in response to a request from the management device. However, other than this, the history is also stored in the management device at the timing when the history information is updated. It is good also as a structure which transmits information.
Alternatively, when the history information is updated at a time other than a preset time (for example, at night), the key device 10 may be configured to transmit the history information to the management device at that timing.

DESCRIPTION OF SYMBOLS 1 Locking management system 10 Key apparatus 11 Reading part 12 Electronic lock 13 Memory | storage part 14 Communication part 15 Power supply part 16 Error output part 17 Key apparatus control part 16 Bus 20 Branch office management apparatus (management apparatus)
21 Reading unit (registration unit)
22 Storage unit (registration unit)
23 Operation Unit 24 Communication Unit 25 Branch Office Management Device Control Unit (Management Device Control Unit)
26 Bus 30 Headquarters management device (management device)
31 Display Unit 32 Operation Unit 33 Storage Unit 34 Communication Unit 35 Headquarters Management Device Control Unit (Management Device Control Unit)
36 Bus 40 Communication network

Claims (4)

In a lock management system comprising a plurality of key devices and a management device capable of communicating with the plurality of key devices via a communication network,
Each of the plurality of key devices is
An electronic lock provided at the gate that restricts access to the facility,
A reading unit for reading the identification information of the IC card;
A key device control unit that unlocks the electronic lock when the identification information read by the reading unit matches pre-stored verification information;
With
The management device
A registration unit for registering the verification information;
A management device control unit that transmits the verification information registered in the registration unit to the key device;
With
The lock management system according to claim 1, wherein the key device control unit updates the verification information when the verification information is received from the management device.   The lock management system according to claim 1, wherein the key device control unit overwrites the verification information when the verification information is received from the management device. The plurality of key devices include a storage unit that stores history information indicating a history of unlocking and locking of the electronic lock,
The lock management system according to claim 1, wherein the management device control unit of the management device periodically acquires the history information from the plurality of key devices.   The leak communication coaxial cable (LCX: Leaky CoaXia cable) line laid in the railway facility along the train track is used for the communication network. Locking management system.

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