JP2010159608A - Locking/unlocking system of building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking/unlocking system of a building capable of increasing crime prevention property by preventing the lock of the building from being illegally unlocked with a portable key forged by skimming. <P>SOLUTION: An entrance door 12 is provided to the entrance 11 of the building 10. A locking/unlocking device 13 for locking and unlocking the entrance door 12 based on the authentication of the ID code transmitted from an electronic key 25 is provided to the entrance door 12. When the user U carries a mobile phone 28 or the mobile phone is placed in an automobile 30, positional information is transmitted from the controllers 29, 31 to a home server 20. The home server 20 stores the positional information in the positional information storage part 22 in the form of a positional log. The home server 20 detects the position of the electronic key 25 based on the position log, and outputs a locking/unlocking signal to the locking/unlocking device 13 according to the detected position for locking and unlocking the entrance door 12. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a building locking / unlocking system.

  In a building such as a house, a system has been put into practical use in which a portable key having a wireless function is used, and when a resident who has the portable key approaches the door of the building, the door is automatically locked and unlocked. For example, Patent Document 1 discloses a system in which a door is locked and unlocked based on authentication using a portable key carried by a resident. According to this, when the resident carrying the portable key approaches the door to enter the building, the identification information transmitted from the portable key is received by the authentication means provided near the door, and based on the identification information. Authentication is performed as to whether the key is a regular key. If the authentication determines that the key is a normal key, the door is automatically unlocked. Thereby, since the door can be unlocked without performing the unlocking operation which is performed in the conventional mechanical unlocking device, the convenience can be improved. Further, since the door can have a structure without a keyhole, unauthorized unlocking due to picking or the like can be prevented, and as a result, crime prevention can be improved.

JP 2003-74256 A

  By the way, in recent years, there has been an increase in damage (so-called skimming damage) in which identification information of a portable key is illegally read by a skimmer and a portable key having the same identification information is copied by forgery. In the system of Patent Document 1, when this counterfeit portable key is used for unlocking a door, it is determined that the key is a legitimate key by authentication, and the door is illegally unlocked, allowing a suspicious person to enter the building. It will be. Therefore, the conventional system is considered to have room for further improvement in terms of crime prevention.

  The present invention has been made in view of the above circumstances, and provides a building locking / unlocking system capable of improving crime prevention by preventing unauthorized unlocking by a portable key forged by skimming or the like. This is the main purpose.

  In order to solve the above-described problem, a building locking / unlocking system according to a first aspect of the present invention is provided in a portable key for storing unique identification information carried by a user and transmitting the identification information, and an opening of the building. A locking / unlocking means for locking / unlocking the opening / closing member of the opening, and the portable / unlocking system for locking / unlocking the locking / unlocking means based on the identification information received from the portable key. A position detecting means for detecting the position of the key; and a locking / unlocking control means for permitting or prohibiting the locking / unlocking operation by the locking / unlocking means in accordance with the detection position of the portable key by the position detecting means. To do.

  According to the present invention, the opening / closing member that opens and closes the opening of the building is locked or unlocked by the locking / unlocking means in accordance with the detection position of the portable key detected by the position detecting means. The position of the regular portable key, such as unlocking the opening / closing member when the regular portable key that moves with the user is around the opening / closing member, or locking the opening / closing member when it is not around the opening / closing member Accordingly, it is possible to permit or prohibit execution of locking / unlocking by the locking / unlocking means. Therefore, even when a portable key having the same identification information is duplicated by forgery due to skimming or the like, unlocking of the opening / closing member by the forged portable key can be prevented. That is, crime prevention can be improved by preventing unauthorized unlocking with a portable key forged by skimming or the like.

  In the building locking / unlocking system according to the second invention, in the first invention, the locking / unlocking control means detects the position of the portable key when the unlocking operation is performed on the locking / unlocking means. It is determined whether it is near the opening / closing member, and if the detection position of the portable key is near the opening / closing member, the locking / unlocking operation is permitted by the locking / unlocking means, and the detection position is not near the opening / closing member. Implementation of locking / unlocking by the locking / unlocking means is prohibited.

  According to the present invention, when the unlocking operation is performed on the unlocking means, if the detection position of the portable key is in the vicinity of the opening / closing member, that is, the user holding the regular portable key is in the vicinity of the opening / closing member. If the mobile phone key is not in the vicinity of the opening / closing member, that is, the user holding the regular mobile key is not in the vicinity of the opening / closing member. In some cases, locking / unlocking by the locking / unlocking means is prohibited. Thereby, when the user carrying the regular portable key is not near the opening / closing member, the opening / closing member is not unlocked, so that the effect of the first invention can be specifically realized.

  The building locking / unlocking system according to a third aspect of the present invention is the movement according to the first or second aspect, wherein the user moves or moves with the user and enables communication from the destination to the building. The position detection means includes a communication means, and detects the position of the portable key based on position information transmitted from the mobile communication means.

  According to the present invention, it is possible to communicate from the destination to the building by the mobile communication means that the user possesses or uses and moves with the user, and based on the position information transmitted from the mobile communication means, The position is detected. Thereby, even if the portable key itself does not have a communication function that enables communication from the destination to the building, the position of the portable key can be detected.

  The building locking / unlocking system according to a fourth aspect of the present invention is the mobile communication means according to the third aspect, wherein the mobile communication means and the portable key can communicate with each other when the mobile communication means and the portable key are relatively close to each other. Transmits the position information on condition that communication is performed with the portable key.

  According to the present invention, when the user moves (behaves) together with the mobile communication means and the portable key, and the mobile communication means and the portable key are in a relatively close position, communication can be performed between the two. . The mobile communication means transmits the position information on the condition that communication is performed with the portable key, that is, when the mobile communication means is at a position relatively close to the portable key. Thereby, since it can determine that the user is moving with a portable key and a mobile communication means, the detection accuracy of the position of a portable key can be improved.

  The building locking / unlocking system according to a fifth aspect of the present invention is characterized in that, in the third or fourth aspect, the mobile communication means is a portable device carried by the user.

  According to the present invention, the position of the portable key is detected based on the position information transmitted from the portable device carried by the user. Here, the portable device is carried by the user, and therefore the portable device moves with the user more frequently than other mobile communication means. Therefore, it is possible to increase the transmission frequency of the position information, and thus increase the detection frequency of the position of the portable key.

  The mobile communication means may be integrated with the portable key. In this case, since the mobile communication means is moved together with the user by possessing the portable key by the user, the effect of the third invention can be obtained as long as the portable key is possessed. Therefore, user convenience can be improved. Further, if the mobile communication means is built in the portable key, the effect of further improving portability can be expected.

  The building locking / unlocking system according to a sixth aspect of the present invention is characterized in that, in the third or fourth aspect, the mobile communication means is an in-vehicle device provided in a vehicle.

  According to the present invention, the position of the portable key is detected based on position information transmitted from an in-vehicle device provided in a vehicle that moves with the user. Thereby, when the user is in the vehicle, the position of the portable key can be detected. In this case, if a highly reliable GPS communication device is further provided in the vehicle, the position information is stably transmitted from the GPS communication device, so that the position of the portable key can be detected more reliably. .

  The mobile communication means may be both the in-vehicle device and the portable device in the fifth invention. Then, when the user is walking or the like, the position of the portable key can be detected based on position information from the portable device, and when the user is on the vehicle, the position from the in-vehicle device is detected. The position of the portable key can be detected based on the information. Therefore, the frequency of detecting the position of the portable key can be further increased.

  In a building locking / unlocking system according to a seventh aspect of the present invention, in the sixth aspect, the in-vehicle device transmits the position information when the vehicle is in an operating state, and the locking / unlocking control means is connected to the in-vehicle device. When the position information is received on the building side, the locking / unlocking means is controlled so as not to unlock the opening / closing member.

  According to the present invention, when the vehicle is in a driving state, the position information is transmitted from the in-vehicle device. When the position information is received on the building side, the opening / closing member is not unlocked. Therefore, when the user holding the portable key is driving the vehicle, that is, when the user is not in the vicinity of the opening / closing member, the opening / closing member is not unlocked, so that the effect of preventing unauthorized unlocking can be enhanced. .

  In the building locking / unlocking system according to the eighth aspect of the present invention, in any of the third to seventh inventions, when the locking / unlocking means is prohibited by the locking / unlocking control means, The mobile communication means is notified.

  According to the present invention, when locking / unlocking of the locking / unlocking means is prohibited by the locking / unlocking control means, that is, when the unlocking operation is performed illegally, the mobile communication means is notified via the reporting means. . As a result, the user can know that the unlocking operation has been performed illegally even when he / she is out, so that he / she can immediately go home and warn a suspicious person, etc. Measures can be taken.

  In addition, when there are a plurality of mobile communication means, the locking / unlocking control means determines from which mobile communication means the position information is transmitted, and reports to the determined mobile communication means It is desirable to control so that it does. Then, the mobile communication means that moves together with the user is notified that there has been unauthorized unlocking, so that even in a system having a plurality of mobile communication means, the user can know that unauthorized unlocking has been performed. .

  The building locking / unlocking system according to a ninth aspect of the present invention is the position transmitted from the mobile communication means in a predetermined cycle or by a request (for example, a request from the building side or a user) in any of the third to eighth aspects of the invention. It comprises position storage means for storing information in time series, and the position detection means detects the position of the portable key based on time series position information stored in the position storage means. To do.

  According to the present invention, the position information transmitted from the mobile communication means at a predetermined cycle or upon request is stored in time series by the position storage means. And since the position of a portable key is detected based on the time series position information memorize | stored in a position memory | storage means, a user's movement history can be grasped | ascertained. Therefore, even when the user is not moving with the mobile communication means and the current position information is not acquired from the mobile communication means, the position of the portable key can be detected based on the past position information. For example, when position information before a predetermined time (for example, several minutes) is stored in the position storage means, an area where the user may move during the predetermined time is estimated based on the position information. The estimated area can be regarded as the detection position of the portable key.

  A building locking / unlocking system according to a tenth aspect of the invention is the invention according to any one of the first to ninth aspects, comprising a plurality of the portable keys, wherein the position detecting means detects each position of the plurality of portable keys, The locking / unlocking control unit controls the locking / unlocking unit to lock / unlock the opening / closing member in accordance with each detection position of the plurality of portable keys by the position detection unit.

  According to the present invention, each position of the plurality of portable keys is detected by the position detection means, and the opening / closing member is unlocked / unlocked according to the detected positions. As a result, even when the portable key is duplicated in a regular manner and the portable key is carried and used by each family member, the opening / closing member can be locked and unlocked according to the position of each portable key. Therefore, when all the portable keys are not in a predetermined position around the opening / closing member, that is, when all the family members are out, at least one of the portable keys is locked around the opening / closing member. When in the position, that is, when at least one of the family members is in the vicinity of the opening / closing member, the opening / closing member can be unlocked. Therefore, the effect of the first invention can be realized even when each family member possesses and uses the portable key.

The whole block diagram which shows a locking / unlocking system. The flowchart which shows a locking / unlocking control process.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In addition, FIG. 1 is a whole block diagram which shows the locking / unlocking system in this embodiment.

  As shown in FIG. 1, a building 10 is provided with an entrance 11 as an opening, and the entrance 10 can be entered and exited through the entrance 11. The entrance 11 is provided with an entrance door 12 as an opening / closing member. The entrance door 12 is, for example, a rotary door, and the entrance 11 is opened and closed by turning the entrance door 12. The entrance door 12 is provided with a locking / unlocking device 13 as locking / unlocking means. The locking / unlocking device 13 is a device that locks and unlocks (locks and unlocks) the front door 12 by electrically locking and unlocking the lock.

  The building 10 is provided with a home server 20 for performing locking / unlocking control in the locking / unlocking system. The home server 20 includes a known microcomputer having a CPU and the like. The home server 20 has an ID code storage unit 21 that stores ID code information as identification information. In addition, an operation unit 24 including an input button, an operation switch, and the like is connected to the input side of the home server 20, and the operation of the present locking / unlocking system is started and released by a user operation on the operation unit 24. Is possible.

  The building 10 is provided with a building-side communication device 14. The building-side communication device 14 performs wireless communication with the electronic key 25 possessed by the user U, and is provided, for example, at the entrance door 12. The home server 20 is electrically connected to the building-side communication device 14 and can communicate with the electronic key 25 via the building-side communication device 14.

  The electronic key 25 is a portable device of a size that the user U can normally carry around. The electronic key 25 has a built-in key controller 26 having a known microcomputer. The key controller 26 has a communication function that enables wireless communication with an external device such as the building-side communication device 14 and a storage function that stores an ID code as identification information. The key controller 26 stores an ID code unique to the electronic key 25 in advance.

  In the present embodiment, the electronic key 25 is basically an attached key of the automobile 30 and has a vehicle door lock locking / unlocking operation function, an engine start operation function, and the like. However, the form of the electronic key 25 is arbitrary, and may be a key type or a card type, or may be a wristband type that can be worn on the human body.

  The home server 20 transmits a request signal to a predetermined area around the entrance door 12 through the building-side communication device 14 at a predetermined cycle. Here, when the user U having the electronic key 25 enters the area and the request signal is received by the key controller 26, the key controller 26 transmits an ID code signal as a response to the request signal. When the building-side communication device 14 receives this ID code signal, the ID code signal is input to the home server 20.

  ID code information as identification information is stored in the ID code storage unit 21 of the home server 20 in advance. The ID code information stored in the ID code storage unit 21 corresponds to the ID code stored in the electronic key 25. When an ID code signal is input from the key controller 26, the home server 20 authenticates the ID code. Specifically, the home server 20 determines whether or not the input ID code signal matches the ID code stored in the ID code storage unit 21.

  The locking / unlocking device 13 is connected to the output side of the home server 20. The home server 20 outputs a locking / unlocking signal to the locking / unlocking device 13 based on the result of the ID authentication, and performs locking / unlocking control of the entrance door 12.

  By the way, the locking / unlocking system of the present embodiment is characterized in that the locking / unlocking control of the locking / unlocking device 13 is further performed according to the position of the electronic key 25. Therefore, a characteristic configuration of the present locking / unlocking system will be described below.

  In the present embodiment, the key controller 26 of the electronic key 25 is capable of wireless communication with the mobile phone 28 carried by the user U and the automobile 30 on which the user U rides, in addition to the building side communication device 14. Specifically, the key controller 26 has a communication range set in an area having a radius of about several meters (for example, 3 m), and can communicate with the mobile phone 28, the automobile 30, and the like in the area. Therefore, the key controller 26 can communicate with the mobile phone 28 when the user U has both the electronic key 25 and the mobile phone 28, and has the electronic key 25 with the automobile 30. The communication is possible when the user U is in the automobile 30.

  The cellular phone 28 includes a cellular phone controller 29 having a known microcomputer. The cellular phone controller 29 is capable of wireless communication with the key controller 26 and the control center 41 which is an external facility. Specifically, the mobile phone controller 29 can communicate with the key controller 26 when the user U possesses both the electronic key 25 and the mobile phone 28. On the other hand, the automobile 30 includes a vehicle-side controller 31 having a known microcomputer. The vehicle-side controller 31 is capable of wireless communication with the key controller 26 and the control center 41 as with the mobile phone controller 29. Specifically, the vehicle-side controller 31 can communicate with the key controller 26 when the user U holding the electronic key 25 is on the vehicle 30. Here, the mobile phone 28 (mobile phone controller 29) and the automobile 30 (vehicle-side controller 31) correspond to mobile communication means.

  The mobile phone 28 and the automobile 30 are provided with GPS terminals 33 and 34 as position information acquisition means, respectively. The GPS terminals 33 and 34 are configured to generate their own position information by receiving radio waves transmitted from GPS satellites. The position information of the mobile phone 28 and the car 30 is transmitted from the controllers 29 and 31 to the control center 41 as necessary. The home server 20 on the building 10 side is connected to the control center 41 via the Internet 42. Therefore, the location information of the mobile phone 28 and the car 30 is transmitted from the control center 41 to the home server 20 via the Internet 42. The

  The cellular phone controller 29 transmits a request signal to the key controller 26 of the electronic key 25 at a predetermined cycle (for example, every 1 minute). Here, when the user U has both the electronic key 25 and the mobile phone 28, the request signal is received by the key controller 26, and the user specific information is received from the key controller 26 as a response to the request signal. 29. When the mobile phone controller 29 receives the user-specific information, the mobile phone controller 29 transmits the user-specific information and the location information of the mobile phone 28 to the control center 41, and eventually the home server via the Internet 42. 20 is transmitted. Thereby, when the user U possesses both the electronic key 25 and the mobile phone 28, the mobile phone 28 sequentially transmits the location information of the mobile phone 28 to the home server 20, in other words, the mobile phone. The position information of the electronic key 25 moving together with 28 is sequentially transmitted to the home server 20.

  On the other hand, in the automobile 30, the vehicle-side controller 31 transmits a request signal to the key controller 26 of the electronic key 25 at a predetermined cycle (for example, every 1 minute). Specifically, the automobile 30 has an immobilizer system, and immobilization authentication is performed between the electronic key 25 and the automobile 30 when the engine is started. And the vehicle side controller 31 transmits a request signal with respect to the key controller 26 of the electronic key 25 in the state by which the engine was started by the regular procedure as a result of immobilization authentication. Here, when the user U holding the electronic key 25 is in the car 30, the request signal is received by the key controller 26, and as a response, user-specific information is sent from the key controller 26 to the vehicle-side controller 31. Sent. When the user-specific information is received by the vehicle-side controller 31, the user-specific information and the position information of the automobile 30 are transmitted from the vehicle-side controller 31 to the control center 41 and eventually the home server 20 via the Internet 42. Sent to. Thereby, when the user U who possesses the electronic key 25 is in the vehicle 30, the position information of the vehicle 30 is sequentially transmitted from the vehicle-side controller 31 to the home server 20, in other words, moves with the vehicle 30. The position information of the electronic key 25 is sequentially transmitted to the home server 20. In addition, the vehicle side controller 31 will complete | finish transmission of a request signal, if an engine is stopped. Therefore, when the engine is stopped, the transmission of the user specific information and the position information of the automobile 30 from the vehicle-side controller 31 to the home server 20 ends.

  The home server 20 includes a location information storage unit 22 that stores location information of the mobile phone 28 and the automobile 30. When the home server 20 receives the location information of the mobile phone 28 or the vehicle 30 and the user-specific information of the electronic key 25 transmitted from the mobile phone controller 29 or the vehicle-side controller 31, the home server 20 The position information of the automobile 30 is stored in the position information storage unit 22. The position information storage unit 22 stores the position information of the mobile phone 28 or the car 30 individually as a position log. Specifically, the position information from each controller 29, 31 is associated with each time. To remember. Therefore, the position information storage unit 22 stores each position of the mobile phone 28 and the automobile 30 in a time series as a series of position logs. Thereby, since the movement history of the mobile phone 28 and the automobile 30 can be grasped, it is possible to grasp the movement history (when and where the electronic key 25 was located) of the electronic key 25 moving with them as a result. The position log stored in the position information storage unit 22 is only for the latest predetermined period (for example, three days), and is overwritten and deleted when the predetermined period elapses.

  Next, the locking / unlocking control process executed by the home server 20 will be described based on the flowchart shown in FIG. This process is executed by the home server 20 using a control start operation on the operation unit 24 as a trigger, and is repeatedly executed at a predetermined cycle until an operation for ending control is performed.

  First, in step S11, a request signal is transmitted from the building-side communication device 14 to a predetermined area around the entrance door 12.

  In a succeeding step S12, it is determined whether or not the ID code signal transmitted from the electronic key 25 as a response to the request signal is received via the building side communication device 14. If the ID code signal has not been received, the process is terminated as it is. If the ID code signal has been received, the process proceeds to step S13.

  In step S13, it is determined whether or not the ID code signal received from the electronic key 25 matches the ID code stored in the ID code storage unit 21 in advance. If the ID code signal from the electronic key 25 matches the ID code stored in advance, the process proceeds to step S14, and if not, the process proceeds to step S20 described later.

  In step S14, the latest location logs of the mobile phone 28 and the automobile 30 stored in the location information storage unit 22 are read. Specifically, the position log at the latest time is read out from the position logs at each time of the mobile phone 28 and the car 30 stored in the position information storage unit 22 in time series.

  In step S15, it is determined whether or not position information regarding the current position (hereinafter referred to as current position information) is acquired from the mobile phone 28 or the automobile 30. Specifically, the time when the latest position log is acquired is determined based on the latest position log of the mobile phone 28 and the vehicle 30 acquired in step S14, and the time difference between the calculated time and the current time exceeds a predetermined time. It is determined whether or not. Here, the predetermined time is set to 1 minute, for example. The predetermined time may be set to the same time as the transmission cycle of the position information periodically transmitted from each controller. In the case where the current position information is acquired from the mobile phone 28 or the car 30, in detail, the user U holding the regular electronic key 25 is currently moving with the mobile phone 28 or the car 30, and the mobile phone 28 or If the current position information is acquired from the automobile 30, the process proceeds to step S16, and the current position of the regular electronic key 25 is detected based on the current position information (latest position log).

  In step S17, it is determined whether or not the regular electronic key 25 is currently in a predetermined area around the entrance door 12. When the regular electronic key 25 is in a predetermined area around the entrance door 12, that is, when the user U who possesses the regular electronic key 25 is considered to be in front of the entrance door 12, the process proceeds to step S22 and is unlocked / unlocked. An unlock signal is output to the device 13. Thereby, since the entrance door 12 is unlocked, the user U can open the entrance door 12 and enter the building 10 from the entrance 11. Thereafter, this process is terminated.

  On the other hand, if the regular electronic key 25 is not in the predetermined area around the entrance door 12, that is, if the user U holding the regular electronic key 25 is considered not to be in front of the entrance door 12, the process proceeds to step S20. A locking signal is output to the locking / unlocking device 13. As a result, even if it is determined that the authentication is successful as a result of the ID authentication (YES determination in step S13), the front door 12 is locked, so even if the electronic key having the same identification information is duplicated by forging by skimming or the like It is possible to prevent the entrance door 12 from being unlocked by the counterfeit electronic key. At this time, if the locking / unlocking device 13 is already in the locked state, the locked state is continued as it is.

  In the following step S21, the user U is notified that an abnormal situation has occurred. Specifically, it is notified that the front door 12 has been illegally unlocked. In this case, based on the position logs of the mobile phone 28 and the vehicle 30 acquired in step S14, which of the mobile phone controller 29 and the vehicle-side controller 31 is transmitting position information, that is, the mobile phone 28 and the vehicle. It is determined through which one of the terminals 30 can communicate with the user U, and as a result, a notification of occurrence of an abnormal situation is transmitted via the Internet 42 and the control center 41 to the mobile phone 28 or the automobile 30 that has been determined to be able to communicate. As a result, when the above notification is transmitted to the mobile phone 28 (mobile phone controller 29), the mobile phone 28 makes an announcement such as “An illegal unlocking operation has been performed” or the mobile phone 28. Vibrate. On the other hand, when the above notification is transmitted to the automobile 30 (vehicle-side controller 31), an announcement such as “An illegal unlocking operation has been performed” is given from a speaker (not shown) mounted on the automobile 30. Is called. Therefore, since the user U can know that the front door 12 is illegally unlocked even when he / she is out, he / she can return home and warn a suspicious person, etc. It is possible to take measures to prevent it. Thereafter, this process is terminated.

  If the current position information is not acquired from the mobile phone 28 or the car 30 in the above-described step S15, the user U who has the regular electronic key 25 is currently moving with the mobile phone 28 or the car 30 in detail. Therefore, if the current position information is not acquired from the mobile phone 28 or the car 30, the process proceeds to step S18. In step S18, it is determined whether or not the vehicle 30 is currently parked in a predetermined parking lot based on the latest position log of the vehicle 30 acquired in step S14. If the automobile 30 is parked in the predetermined parking lot, the process proceeds to step S19.

  In step S19, it is determined whether or not a predetermined time has elapsed since the automobile 30 was parked in the parking lot. Specifically, the time when the automobile 30 is parked in the parking lot is determined based on the latest position log of the automobile 30 acquired in step S14, and the time when the automobile 30 is parked based on the calculated parking time and the current time. It is determined whether or not a predetermined time has passed. Here, for example, the predetermined time is set to a time obtained by adding a time of about several minutes to the time required to move from the parking lot to the front door 12 of the building 10 on foot. If the predetermined time has not elapsed since the automobile 30 was parked in the parking lot, the process proceeds to step S22, and an unlock signal is output to the locking / unlocking device 13. Thereby, since the entrance door 12 is unlocked, the user U can open the entrance door 12 and enter the building 10 from the entrance 11. Therefore, the user U can enter the building 10 even when he / she forgets to carry the mobile phone 28 when going home by the automobile 30. Thereafter, this process is terminated.

  On the other hand, if a negative determination is made in any of steps S18 and S19, the process proceeds to step S20, and a locking signal is output to the locking / unlocking device 13. That is, when the automobile 30 is not parked in the predetermined parking lot (step S18), or when the predetermined time has already elapsed from the parking time even if the automobile 30 is parked in the predetermined parking lot (step S19). The entrance door 12 is locked. At this time, if the locking / unlocking device 13 is already in the locked state, the locked state is continued as it is.

  As mentioned above, according to the structure of this embodiment explained in full detail, the following outstanding effects are acquired.

  Based on the position log of the cellular phone 28 or the car 30 stored in the position information storage unit 22, the position of the regular electronic key 25 possessed by the user U is detected, and the front door 12 is applied according to the detected position. It was set as the structure which locks. Specifically, when the regular electronic key 25 is in a predetermined area around the entrance door 12, the entrance door 12 is unlocked, and when the regular electronic key 25 is not in a predetermined area around the entrance door 12, the vehicle The entrance door 12 is locked and unlocked according to the position of the regular electronic key 25, for example, the entrance door 12 is locked except when the predetermined time has not elapsed since parking at 30. Thereby, even when the electronic key having the same ID code is duplicated by forgery due to skimming or the like, it is possible to prevent the front door 12 from being unlocked by the forged electronic key. That is, crime prevention can be improved by preventing unauthorized unlocking by an electronic key forged by skimming or the like.

  When the unlocking operation is performed on the locking / unlocking device 13, if the detection position of the electronic key 25 is around the entrance door 12, the entrance door 12 is unlocked, and if it is not around the entrance door 12, the entrance door 12 is locked. I tried to do it. Thereby, when the user U who carries the regular electronic key 25 is not in the vicinity of the entrance door 12, the entrance door 12 is not unlocked, and thus the above effect can be specifically realized.

  The position of the electronic key 25 is detected based on position information (position log) transmitted from the mobile phone 28 (specifically, the mobile phone controller 29) or the automobile 30 (vehicle-side controller 31) that moves with the user U. . Accordingly, the position of the electronic key 25 can be detected even if the electronic key 25 itself does not have a communication function that enables communication from the destination to the building 10 side.

  When the user U has the mobile phone 28 or is in the car 30, the request signal is transmitted and received between the controllers 29 and 31 and the electronic key 25. The location information and the user-specific information of the electronic key 25 are transmitted from the mobile phone 28 or the automobile 30 to the home server 20. Thereby, since it can be determined that the electronic key 25 is moving together with the mobile phone 28 or the automobile 30, the detection accuracy of the position of the electronic key 25 can be increased.

  The position of the electronic key 25 is detected based on the position information transmitted from the mobile phone 28 carried by the user U. Here, since the mobile phone 28 is used daily by the user U and is frequently carried by the user U, the frequency of transmitting position information can be increased, and the position of the electronic key 25 can be increased. Detection frequency can be increased.

  The position of the electronic key 25 is detected based on the position information transmitted from the automobile 30 (vehicle-side controller 31) on which the user U is riding. Thereby, even when the user U forgets to carry the mobile phone 28, the position of the electronic key 25 can be detected while the user U is in the automobile 30. Further, since the position information of the automobile 30 is generated by the highly reliable GPS terminal 34, the position information of the automobile 30 is stably transmitted to the home server 20. Thereby, the position of the electronic key 25 can be detected more reliably.

  Further, since both the mobile phone 28 and the automobile 30 are used as mobile communication means, the position of the electronic key 25 is detected based on the position information from the mobile phone 28 when the user U is walking or the like. When the user U is in the automobile 30, the position of the electronic key 25 can be detected based on the position information from the automobile 30. Therefore, the detection frequency of the position of the electronic key 25 can be further increased.

  The time when the latest position log is acquired is calculated based on the latest position log of the mobile phone 28 and the vehicle 30 stored in the position information storage unit 22, and the time difference between the calculated time and the current time exceeds a predetermined time. It was decided to determine whether or not. As a result, when the time difference does not exceed the predetermined time, it can be determined that the user U holding the electronic key 25 is currently moving with the mobile phone 28 or the automobile 30, so that the latest Based on the position log, the current position of the electronic key 25 can be detected.

  The present invention is not limited to the above embodiment, and may be implemented as follows, for example.

  (1) In the above embodiment, the mobile phone 28 (mobile phone controller 29) and the automobile 30 (vehicle-side controller 31), which are separate from the electronic key 25, are used as mobile communication means. 25 may be integrated. Then, the user U can move the mobile communication means together with the user U by holding the electronic key 25. Therefore, since the position of the electronic key 25 can be detected as long as the user U has the electronic key 25, the convenience of the user can be improved. If the mobile communication means is built in the electronic key 25, the portability can be further improved.

  (2) In the above embodiment, the mobile phone 28 and the automobile 30 are used as mobile communication means, but only one of the mobile phone 28 and the automobile 30 may be used as mobile communication means. Also, mobile communication means other than the mobile phone 28 and the automobile 30 may be used. For example, a wristwatch, a necklace, a smart key, or other portable items other than the cellular phone 28 added with a communication function may be used as the mobile communication means, or a communication device may be attached to a mobile body other than the automobile 30, such as a bicycle or a motorcycle. You may use what was mounted as a mobile communication means.

  (3) The locking / unlocking system may include a plurality of electronic keys 25. That is, the electronic key 25 (master key) possessed by the user U may be duplicated, and the duplicated electronic key 25 (so-called combined key) may be possessed by each family member and used for locking and unlocking the entrance door 12. In this case, the position information is transmitted to the home server 20 from the mobile phone 28 or the car 30 that moves together with each electronic key 25. And the home server 20 memorize | stores those positional information in the positional-information memory | storage part 22 as a positional log whenever it receives the positional information on each of these mobile telephones 28 or each motor vehicle 30. FIG. Thereby, the position of each mobile phone 28 or each car 30 can be grasped, and as a result, the position of each electronic key 25 moving together with each mobile phone 28 or each car 30 can be grasped.

  The home server 20 detects the position of each electronic key 25 based on the position log of each mobile phone 28 or each car 30 stored in the position information storage unit 22. Then, the home server 20 outputs a locking or unlocking signal to the locking and unlocking device 13 in accordance with the detection position of each electronic key 25, and performs locking and unlocking control of the entrance door 12. Specifically, when all the electronic keys 25 are not in a predetermined area around the entrance door 12, that is, when all the family members who possess the electronic keys 25 are not around the entrance door 12, the entrance door 12 is locked. If at least one of the electronic keys 25 is in the predetermined area, that is, if at least one of the family members holding the electronic key 25 is in the vicinity of the entrance door 12, the entrance door 12 is unlocked. To do. Therefore, even when the electronic key 25 is properly copied and the copied electronic key 25 is held and used by each family member, the electronic key 25 that is normally copied and the counterfeit electronic key copied by skimming or the like are discriminated. Therefore, unauthorized entry of the front door 12 with a counterfeit electronic key can be prevented.

  (4) In the locking and unlocking system of the above embodiment, the entrance door 12 provided in the entrance 11 is locked and unlocked. However, an opening / closing member provided in addition to the entrance 11 such as a door or a sweep window is provided. You may make it lock and unlock.

  (5) When the home server 20 receives the location information of the vehicle 30 and the user-specific information of the electronic key 25 transmitted from the vehicle-side controller 31 when the user U is in the vehicle 30, A locking signal may be output from the server 20 to the locking / unlocking device 13. Thereby, when the user U is boarding the automobile 30, that is, when the user U is not in the vicinity of the entrance door 12, the entrance door 12 is not unlocked, so that the effect of preventing unauthorized unlocking can be enhanced. .

  (6) When an unauthorized unlocking operation is performed, it is not always necessary to notify that an abnormal situation has occurred (step S21 (FIG. 2)).

  (7) In the above embodiment, the ID code signal transmitted from the electronic key 25 to the building communication device 14 during the unlocking operation with the electronic key 25 is transmitted from the home server 20 via the building communication device 14. The ID code signal of the electronic key 25 is not necessarily transmitted as a response to the request signal. For example, a transmission button may be provided on the electronic key 25 and an ID code signal may be transmitted to the building-side communication device 14 when the transmission button is pressed.

  (8) The position of the electronic key 25 may be detected based on the past position information of the mobile phone 28 or the car 30 stored in the position information storage unit 22. Then, even when the user U is not moving with the mobile phone 28 or the car 30 and the current position information is not acquired from the mobile phone 28 or the car 30, the past position information of the mobile phone 28 or the car 30 is displayed. Based on this, the position of the electronic key 25 can be detected. Specifically, for example, when position information before a predetermined time (for example, several minutes) is stored as a position log in the position information storage unit 22, the user U can use the position log during the predetermined time based on the position log. An area that may move may be estimated, and the estimated area may be regarded as a detection position of the electronic key 25.

  DESCRIPTION OF SYMBOLS 10 ... Building, 11 ... Entrance part as opening, 12 ... Entrance door as opening / closing member, 13 ... Locking / unlocking device as locking / unlocking means, 20 ... Locking / unlocking control means, position detecting means, and home server as reporting means , 22 ... position information storage unit as position storage means, 25 ... electronic key as portable key, 28 ... mobile communication means and mobile phone as portable device, 30 ... automobile as vehicle, 31 ... mobile communication means and in-vehicle device As a vehicle side controller.

Claims (10)

A portable key which is carried by the user and stores unique identification information and which can transmit the identification information; and a locking / unlocking means which is provided at an opening of the building and locks or unlocks the opening / closing member of the opening. In the building locking / unlocking system for locking or unlocking the locking / unlocking means based on the identification information received from the portable key,
Position detecting means for detecting the position of the portable key;
Locking / unlocking control means for permitting or prohibiting the locking / unlocking by the locking / unlocking means according to the detection position of the portable key by the position detecting means;
A building locking / unlocking system characterized by comprising:   The locking / unlocking control means determines whether the detection position of the portable key is in the vicinity of the opening / closing member when the unlocking operation is performed on the locking / unlocking means, and the detection position of the portable key When the opening / closing member is near the opening / closing member, the locking / unlocking means is permitted to perform locking / unlocking, and when the detection position is not near the opening / closing member, the locking / unlocking means is prohibited from performing locking / unlocking. Item 4. The building locking and unlocking system according to item 1. The mobile communication means that the user possesses or uses and moves together with the user and enables communication from the destination to the building,
3. The building locking / unlocking system according to claim 1, wherein the position detecting unit detects the position of the portable key based on position information transmitted from the mobile communication unit. When the mobile communication means and the portable key are relatively close to each other, communication is possible between them.
4. The building locking / unlocking system according to claim 3, wherein the mobile communication unit transmits the position information on condition that communication is performed with the portable key.   The building locking / unlocking system according to claim 3 or 4, wherein the mobile communication means is a portable device carried by the user.   5. The building locking / unlocking system according to claim 3, wherein the mobile communication means is an in-vehicle device provided in a vehicle. The in-vehicle device transmits the position information when the vehicle is in a driving state,
The locking / unlocking control unit controls the locking / unlocking unit so as not to unlock the opening / closing member when the position information from the in-vehicle device is received on the building side. 6. The building locking and unlocking system according to 6.   8. The mobile communication means is notified via the notification means when the locking / unlocking means is prohibited by the locking / unlocking control means. The building locking and unlocking system according to the item. Position storage means for storing position information transmitted from the mobile communication means at a predetermined cycle or upon request in time series,
The position detection unit detects the position of the portable key based on time-series position information stored in the position storage unit. Building locking and unlocking system. A plurality of portable keys;
The position detecting means detects each position of the plurality of portable keys;
10. The locking / unlocking control unit controls the locking / unlocking unit to lock / unlock the opening / closing member according to each detection position of the plurality of portable keys by the position detection unit. The building locking / unlocking system according to any one of the above.

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