JP2015218566A - Electric lock system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric lock system capable of nullifying a user's lost electronic key.SOLUTION: An HEMS 30 receives a command to nullify a piece of information identifying an electronic key and an electronic key which are transmitted from a portable information terminal 82 via an information server 90. The HEMS 30 performs a processing to nullify the electronic key based on the command to nullify the information identifying the received electronic key and the electronic key, and when the nullified electronic key is used on an electric lock 52, prohibits unlocking and locking operation of the electric lock 52.

Description

  The present invention relates to an electric lock system in a building.

  An electronic key in which ID information for identifying an individual is recorded on an IC tag or the like is used to identify whether or not the user is a resident of a building in unlocking and locking the electric lock. Used to enable operations such as unlocking or locking. However, when the original user loses the electronic key, there is a possibility that it is picked up and misused by a third party who is not the user. Patent Document 1 discloses a technique for invalidating a lost electronic key among a plurality of existing electronic keys at a dealer.

JP 2013-60741 A

  However, in the technique described in Patent Document 1, since the invalidation process is performed by the dealer, not the user himself, the invalidation process takes time, and as a result, the lost electronic key may be allowed to be misused. There was a problem.

  The present invention has been made in consideration of the above facts, and an object of the present invention is to provide an electric lock system that can invalidate an electronic key lost by a user.

  An invention according to claim 1 for solving the above-described problem is obtained by acquiring an electronic key ID information, and an electric lock that can be locked or unlocked when the acquired ID information is associated with a registrant, Based on the information for specifying the electronic key and the instruction for revoking the electronic key from the information terminal, the information for specifying the received electronic key and the instruction for invalidating the electronic key, And a control means for performing processing for invalidating the electronic key and prohibiting the unlocking and locking operation of the electric lock when the invalidated electronic key is used in the electric lock.

  According to the first aspect of the present invention, the electronic key can be revoked based on the information specifying the electronic key transmitted from the portable information terminal and the instruction for revoking the electronic key.

  According to a second aspect of the present invention, in the first aspect of the invention, the information specifying the electronic key is the ID information and a password.

  According to the second aspect of the present invention, when an instruction to invalidate the electronic key is received from the portable information terminal, whether or not the electronic key is invalidated can be determined based on the received ID information and password.

  The invention of claim 3 is the invention according to claim 1 or 2, wherein the portable information terminal specifies the portable information terminal together with information for specifying the electronic key and an instruction to invalidate the electronic key. When the terminal ID is associated with information specifying the electronic key, the control means performs processing for invalidating the electronic key.

  According to the invention described in claim 3, when an instruction to invalidate the electronic key is received from the portable information terminal, whether or not the electronic key is invalidated based on the terminal ID of the portable information terminal related to the transmission of the instruction. Can be determined.

  According to a fourth aspect of the present invention, in the third aspect of the present invention, a priority is associated with the information specifying the electronic key and the terminal ID, and the control means is associated with a higher priority. The electronic key associated with the lower priority order based on the information specifying the electronic key associated with the lower priority order transmitted from the portable information terminal with the terminal ID and the instruction to invalidate the electronic key Is performed, and when the invalidated electronic key is used in the electric lock, the unlocking and locking operation of the electric lock is prohibited.

  According to the invention described in claim 4, it is possible to invalidate an electronic key having a low priority from a portable information terminal having a high priority.

  As described above, in the invention according to claim 1, the user invalidates the electronic key by transmitting information specifying the electronic key and a command for invalidating the electronic key from the portable information terminal. It has the effect that it can be done.

  According to the second aspect of the invention, the electronic key lost by the user is invalidated by determining whether the electronic key is invalidated based on the ID information and the password received together with the instruction for invalidating the electronic key. It has the effect of ensuring security when doing.

  According to the third aspect of the present invention, the electronic device lost by the user is determined by determining whether the electronic key is invalidated based on the terminal ID of the portable information terminal related to the transmission of the instruction for invalidating the electronic key. This has the effect of ensuring security when the key is revoked.

  According to the invention described in claim 4, by setting the priority of the electronic key of the dwarf to a low level, the person who has the electronic key having a high priority of the adult or the like has lost the dwarf etc. Can be disabled.

It is the schematic which shows an example of the electric lock system which concerns on embodiment of this invention. It is a block diagram which shows schematic structure of HEMS in the electric lock system which concerns on embodiment of this invention. It is the schematic which shows an example of the electronic key corresponding table memorize | stored in HEMS in the electric lock system which concerns on embodiment of this invention. It is a flowchart which shows an example of the process which invalidates the electronic key in the portable information terminal in the electric lock system which concerns on embodiment of this invention. It is a flowchart which shows an example of the process which invalidates the electronic key in the information center in the electric lock system which concerns on embodiment of this invention. It is a flowchart which shows an example of the process which invalidates the electronic key in HEMS30 in the electric lock system which concerns on embodiment of this invention. It is the schematic which shows an example of the electronic key corresponding table | surface after invalidating the specific electronic key in the electric lock system which concerns on embodiment of this invention.

  Hereinafter, an example of the present embodiment will be described in detail with reference to the drawings. FIG. 1 is a schematic diagram illustrating an example of an electric lock system 10 according to the present embodiment. In the present embodiment, power from the grid power 12 is supplied to the distribution board 14 of the building 100 via the main breaker 110.

  A main breaker current sensor 120 that detects a current value of power supplied from the grid power 12 is provided on the distribution board 14 side of the main breaker 110. The power supplied from the system power 12 to the distribution board 14 is distributed to the power load means provided in the bedroom 56 and the living room 58 and the electric lock 52 provided in the door 66 via the branch circuits 20A to 20E. .

  In the present embodiment, as an example, branch circuits 20A and 20B are led to a bedroom 56 provided with a bed 68, branch circuit 20A is connected to air conditioner 18, and branch circuit 20B is connected to lighting 26. The branch circuits 20C and 20D are led to the living room 58, the branch circuit 20C is connected to the television 32, and the branch circuit 20D is connected to the lighting 28. The branch circuit 20E is connected to the electric lock 52.

  The branch circuits 20A to 20E are provided with current sensors 22A to 22E for measuring the current values of the branch circuits 20A to 20E, respectively. The information lines from the current sensors 22 </ b> A to 22 </ b> E are connected to the HEMS 30 together with the information line from the main breaker current sensor 120 and the information line for controlling and controlling the distribution board 14. Yes. In FIG. 1, the broken line is an information line through which measurement data or control information flows. The current values detected by the current sensors 22A to 22E are associated when the current values are detected, and are stored in the memory of the HEMS 30 as detection results of the current sensors 22A to 22E. The HEMS 30 is connected to an indoor operation panel 72 having an input device such as a touch panel and a display device such as a liquid crystal panel. The indoor operation panel 72 can be installed in any place in the building 100, but is installed in the living room 58 in the present embodiment. In the present embodiment, the HEMS 30 and the indoor operation panel 72 are provided separately, and each is provided with a display unit and an operation unit. However, since the display unit 46 and the operation unit 48 are provided in the HEMS 30. The HEMS 30 can be provided indoors and the indoor operation panel 72 can be omitted.

  The branch circuits 20A to 20E of the distribution board 14 are respectively provided with branch breakers 24A to 24E for switching the branch circuits 20A to 20E to an on state or an off state, and the branch breakers 24A to 24E are controlled by the HEMS 30. . In FIG. 1, for simplicity of description, only five branch circuits are shown, but in this embodiment, the number of branch circuits may be five or more and five or less, and the number of branch circuits is not particularly limited. .

  An electric lock 52 is connected to the HEMS 30. The HEMS 30 determines whether or not the authentication information input to the electric lock 52 using an electronic key or the like applying an IC tag is appropriate, and locks or unlocks the electric lock 52 if the determination is affirmative. The authentication information for unlocking the electric lock 52 is, for example, ID information unique to each electronic key, and identifies the resident who is the user with the ID information by associating with the registered user. The ID information includes, for example, a plurality of characters or symbols, and has a different configuration for each electronic key, in other words, for each resident.

  Even when the resident enters the bedroom 56 and the living room 58, the ID information is read by an authentication device (not shown) provided near the door 62 of the bedroom 56 and the door 70 of the living room 58. You may make it grasp | ascertain the user's trend in.

  There are the following two types of electronic keys using IC tags. One is an active type that transmits radio waves including ID information to the authenticator. The other is a passive type in which power is temporarily charged by electromagnetic waves from the authenticator when it is brought close to the authenticator, and ID information is transmitted by NFC (Near Field Communication) with the charged power. In this embodiment, either the active type or the passive type may be used. However, the active type is superior in that the resident can handle it without being aware of the operation of the electronic key. Next, the electric lock system 10 according to the present embodiment will be described.

  The user registration is performed by storing information including user information and ID information unique to the electronic key possessed by the user in the memory 50 of the HEMS 30. FIG. 3 is a schematic diagram illustrating an example of an electronic key correspondence table stored in the HEMS 30 in the electric lock system 10 according to the present embodiment. In FIG. 3, the “user name” includes “ID information” of the electronic key, “password”, “expiration date” of the electronic key, an “valid” flag indicating whether the electronic key is valid, and the user's portable information terminal. Each item of “terminal ID” is described.

  In the present embodiment, for example, the indoor operation panel 72 is provided with an authenticator that reads the ID information of the electronic key, and the user brings an unregistered electronic key close to the authenticator of the indoor operation panel 72 and the ID of the electronic key. Read information. After that, according to the instruction displayed on the indoor operation panel 72, each item of “user name”, “password”, and “terminal ID” is input to register the user and the electronic key. With this registration, an electronic key correspondence table as shown in FIG. 3 is created and stored in the memory of the HEMS 30. In addition to this, the ID information may be the HEMS 30 (or the indoor operation panel when the HEMS 30 and the indoor operation panel 72 are integrated) using communication between the electronic key and the electric lock 52 when registering the electronic key in the electric lock 52. 72).

  The “password” is used to identify the user when changing items such as “user name” after registration. Further, as described later, the “terminal ID” is used to identify whether or not the terminal is the user's portable information terminal 82 when the electronic key is revoked using the portable information terminal 82.

  After registering the electronic key, the “user name” and the “ID information” of the electronic key are associated with each other. Therefore, the “ID information” of the electronic key is hereinafter referred to as the “ID” of the user who possesses the electronic key. It may be regarded as “information”. Alternatively, separately from the electronic key ID information, the user ID information is set separately, and the user ID information also determines whether or not the person who requests the invalidation process is the user when the electronic key is invalidated. It may be used for determination. In addition, the priority order is associated with the user, the electronic key possessed by the user, and the terminal ID, and the user with the higher priority order can prohibit the operation with the electronic key of the user with the lower priority order and cancel the operation prohibition. There may be. The priority order of users is described in an electronic key correspondence table as shown in FIG. 3, for example. For example, the HEMS 30 instructs the ID information associated with the lower priority order transmitted from the portable information terminal 82 of the terminal ID associated with the higher priority order and the instruction to invalidate the electronic key related to the ID information. Based on this, the corresponding electronic key is revoked. Further, when the revoked electronic key is used in the electric lock 52, the unlocking and locking operation of the electric lock 52 is prohibited.

  A terminal device 54 as a gateway is connected to the HEMS 30, and is connected to the network 80 via the terminal device 54. Connected to the network 80 is an information server 90 of an information center that provides information relating to housing and home security to the building 100, and the HEMS 30 can appropriately acquire information on housing and home security from the information server 90. Furthermore, it is possible to operate the electric lock system 10 from the user's portable information terminal 82 via the network via the information center.

  The HEMS 30 uploads the electronic key correspondence table created by the above registration to the information server 90 of the information center via the network 80. The information center stores the uploaded electronic key correspondence table in the information server 90, and identifies the user and the portable information terminal 82 possessed by the user in the electronic key revocation process using the portable information terminal 82 described later. Use to do. If communication by a reliable encryption process is possible, the ID information of the electronic key registered in the electric lock 52 from the portable information terminal 82 may be registered in the information server 90 of the information center.

  FIG. 2 is a block diagram showing a schematic configuration of the HEMS 30 according to the electric lock system according to the present embodiment. As shown in FIG. 2, the HEMS 30 includes a CPU 36, a ROM 38, a RAM 40, and an input / output port 42. These include a bus 44 such as an address bus, a data bus, and a control bus. Are connected to each other.

  A display unit 46, an operation unit 48, and a memory 50 are connected to the input / output port 42 as various input / output devices. The display unit 46 and the operation unit 48 are integrally configured, and a touch panel provided on the display unit 46 can be applied to the operation unit 48. Furthermore, an indoor operation panel 72 provided with a display device and an input device may be used as the display unit 46 and the operation unit 48. In the present embodiment, the HEMS 30 and the indoor operation panel 72 are provided separately, and each is provided with a display unit and an operation unit. However, since the display unit 46 and the operation unit 48 are provided in the HEMS 30. The HEMS 30 can be provided indoors and the indoor operation panel 72 can be omitted.

  Information such as the power consumption of the building 100 and the operating status of the electric lock 52 can be displayed on the display unit 46. The memory 50 includes a program for controlling the branch breakers 24A to 24E, a program for calculating power consumption in the building 100 based on the detection results of the current sensors 22A to 22E, a program for controlling the electric lock 52, and these programs. Various information for execution is stored. The HEMS 30 executes various programs such as control of power supplied to the building 100, calculation of power consumption, and control of the electric lock 52 by executing a program stored in the ROM 38 by the CPU 36.

  The power consumption of the building 100 can be calculated from the current values detected by the current sensors 22A to 22E. Since the voltage supplied from the distribution board 14 is approximately 100 V, in this embodiment, the current value detected by each current sensor is multiplied by 100 to calculate the power consumption. However, in a branch circuit with a large voltage fluctuation, a means for measuring the voltage may be provided separately. The input / output port 42 of the HEMS 30 is connected to the distribution board 14, the electric lock 52, the termination device 54, and the like.

  Then, the effect | action and effect of the electric lock system 10 which concern on this Embodiment are demonstrated. FIG. 4 is a flowchart showing an example of processing for invalidating the electronic key in the portable information terminal 82 in the electric lock system 10 according to the present embodiment. In step 300, a button for invalidating the electronic key is pressed on the display screen of the portable information terminal 82 such as a smartphone. It is assumed that the portable information terminal 82 is installed with an application related to processing for invalidating the electronic key.

  In step 302, the user inputs information for identifying the user's electronic key according to the screen display. The information for identifying the user is the ID information of the user's electronic key, the terminal ID of the portable information terminal 82, and the password. The portable information terminal 82 transmits the input items to the information server and ends the process. When the user ID information is set separately from the electronic key ID information, the user ID information is transmitted in addition to the electronic key ID information, the terminal ID of the portable information terminal 82 and the password. The ID information is stored in advance in the memory of the portable information terminal 82, and is read from the memory when the button for invalidating the electronic key is pressed in step 300. In step 302, only the password is stored. The above ID information or the like may be transmitted by the user inputting.

  FIG. 5 is a flowchart showing an example of processing for revoking the electronic key at the information center in the electric lock system 10 according to the present embodiment. In step 400, it is determined whether the ID information of the user's electronic key transmitted from the portable information terminal 82, the terminal ID of the portable information terminal 82, and the password match the information registered in the information center. Specifically, with reference to the electronic key correspondence table uploaded from the HEMS 30 to the information server 90, whether the electronic key ID information, the terminal ID of the portable information terminal 82, and the password are appropriate is determined. When the user ID information is set separately, the suitability of the user ID information is also determined.

  If the determination in step 400 is affirmative, in step 402, the ID information of the electronic key to be invalidated and a command for prohibiting the operation of the electric lock 52 with the electronic key are transmitted to the HEMS 30 and the process is terminated. To do. If the determination in step 400 is negative, a message to redo the operation in FIG. 4 is transmitted to the portable information terminal 82 in step 404, and the process ends.

  The HEMS 30 invalidates the electronic key by prohibiting the operation of the corresponding electronic key based on the information transmitted in step 402. FIG. 6 is a flowchart showing an example of processing for revoking an electronic key in the HEMS 30 in the electric lock system 10 according to the present embodiment. In step 500, the ID information of the electronic key to be invalidated transmitted from the information center and the command for prohibiting the operation of the electric lock 52 with the electronic key are received. In step 502, processing for prohibiting unlocking and locking of the electric lock 52 with the corresponding electronic key is performed based on the received command. In order to invalidate the electronic key and prohibit the operation of the electric lock 52, as an example, an electronic key correspondence table in which the electronic key ID information stored in advance in the memory 50 as shown in FIG. Turn off the “Enabled” flag.

  In FIG. 7, the “valid” flag is turned off by the user B's electronic key. When the “valid” flag corresponding to the ID information of the electronic key used for operating the electric lock 52 is off, the HEMS 30 prohibits the operation of the electric lock 52 with the electronic key. Further, the HEMS 30 updates the information server 90 of the information center with the electronic key correspondence table that has been changed, such as turning off the “valid” flag.

  In step 504, it is determined whether or not an instruction to cancel the prohibition of operation of the electric lock 52 using the revoked electronic key has been received from the information center. If the determination is affirmative, the revocation of the corresponding electronic key is canceled. To finish the process. If the determination in step 504 is negative, the procedure returns to step 502, and the prohibition of the operation of the electric lock 52 with the corresponding electronic key is continued.

  As described above, in the present embodiment, when the electronic key is lost, the user transmits information on the lost electronic key using the portable information terminal 82, so that the electric lock 52 using the electronic key is obtained. Can be prohibited. This makes it possible to provide an electric lock system that can invalidate an electronic key lost by a user.

  In the present embodiment, the processing for invalidating the electronic key has been described with reference to FIGS. In the present embodiment, an operation for validating a revoked electronic key is also possible using the portable information terminal 82. In this case, the electronic key ID information, the terminal ID, and the password information to be activated are transmitted from the portable information terminal 82, and the information is invalidated if the transmitted information is appropriate for the user. The electronic key becomes effective, and the unlocking and locking operation of the electric lock 52 becomes possible.

10 Electric lock system 30 HEMS
36 CPU
38 ROM
40 RAM
42 I / O port 44 Bus 46 Display unit 48 Operation unit 50 Memory 52 Electric lock 54 Termination device 66 Door 72 Indoor operation panel 80 Network 82 Portable information terminal 90 Information server 100 Building

Claims (4)

An electric lock that acquires the ID information of the electronic key and can be locked or unlocked when the acquired ID information is associated with the registrant;
Receiving means for receiving information specifying the electronic key and an instruction to invalidate the electronic key from a portable information terminal;
Based on the received information specifying the electronic key and a command to invalidate the electronic key, the electronic key is invalidated, and the invalidated electronic key is used in the electric lock. Control means for prohibiting the unlocking and locking operation of the electric lock in the case,
With electric lock system.   The electric lock system according to claim 1, wherein the information specifying the electronic key is the ID information and a password. The portable information terminal transmits a terminal ID for identifying the portable information terminal together with information for identifying the electronic key and an instruction to invalidate the electronic key,
3. The electric lock system according to claim 1, wherein the control unit performs a process of invalidating the electronic key when the terminal ID is associated with information specifying the electronic key. A priority is associated with the information identifying the electronic key and the terminal ID,
The control means is based on the information specifying the electronic key associated with the lower priority order transmitted from the portable information terminal having the terminal ID associated with the higher priority order and the instruction for invalidating the electronic key. The electronic key associated with the lower priority order is revoked, and when the revoked electronic key is used in the electric lock, the unlocking and locking operations of the electric lock are performed. The electric lock system according to claim 3, which is prohibited.

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