JP2014007649A - On-vehicle apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an "on-vehicle apparatus" which can provide many persons with the information required in the event of an emergency at the time of the disaster, or the like, by a simple configuration.SOLUTION: The on-vehicle apparatus includes a wireless communication unit 20 which allows for short-range communication in a first communication mode set with security, and short-range communication in a second communication mode with released security, emergency communication determination means for determining whether or not emergency communication must be performed (S12), communication mode switching means for switching the wireless communication unit to a state capable of short-range communication in the second communication mode with a portable terminal when a determination is made that emergency communication must be performed (S16), and communication control means for making the wireless communication unit distribute predetermined emergency information to a portable terminal that gained access to the wireless communication unit, when it is in a state capable of short-range communication in the second communication mode with the portable terminal (S16).

Description

  The present invention relates to an in-vehicle device having a wireless communication unit that distributes emergency information during a disaster or the like.

  Conventionally, a wide area disaster information transmission system disclosed in Patent Document 1 is known. In this system, when a disaster or the like occurs, the vehicle creates evacuation information and detailed disaster information based on information distributed from the disaster information distribution center, and diffuses the information by vehicle-to-vehicle communication. And the vehicle which created those information, and the vehicle which received those information by vehicle-to-vehicle communication notify those information toward the inside and outside the vehicle, and people inside and outside each vehicle The evacuation information and disaster details are communicated to.

  According to such a system, vehicles can be networked and evacuation information and disaster detailed information spread within the vehicle network can be communicated to people in the vehicle and people in the vicinity of the vehicle. Even if the network is damaged and information cannot be obtained from each person's mobile terminal (smartphone or the like) due to congestion or the like, evacuation information and detailed disaster information can be transmitted to people.

JP 2010-205118 A

  However, the above-described conventional system requires a communication device for performing vehicle-to-vehicle communication, and the system itself becomes complicated. In addition, the range in which information can be diffused by vehicle-to-vehicle communication is limited, and as a result, more vehicles must receive information distributed from the disaster information distribution center. The effect of is limited.

  The present invention has been made in view of such circumstances, and provides an in-vehicle device that can provide information necessary for an emergency such as a disaster to many people with a simple configuration.

  In the vehicle-mounted device according to the present invention, the short-range wireless communication in the first communication mode in which predetermined security for restricting access from the portable terminal is set with the portable terminal, and the security is released. Emergency communication is performed in a state in which short-distance communication in the first communication mode is possible between the wireless communication unit capable of short-range communication in the second communication mode and the wireless communication unit in the first communication mode. An emergency communication determining means for determining whether or not the emergency communication should be performed, and when the emergency communication determining means determines that the emergency communication should be performed, the wireless communication unit is connected to the portable terminal with the first Communication mode switching means for switching to a state in which near field communication is possible in two communication modes and near field communication in the second communication mode are possible between the wireless communication unit and a portable terminal When in state, the portable terminal that has access to the wireless communication unit, a configuration and a communication control means for delivering a predetermined emergency information to the wireless communication unit.

  With such a configuration, the wireless communication unit does not allow access from a portable terminal whose access is restricted by security in a normal state, and does not permit access from the portable terminal that is not restricted by security in the first communication mode. Near field communication. In this case, information can be provided to a limited user who uses a portable terminal whose access is not restricted by the security. On the other hand, the wireless communication terminal performs emergency communication in a state where short-distance communication in the first communication mode is possible with such a portable terminal used by a limited user, for example, when a disaster occurs. If it is determined that it should be performed, short-range communication with the portable terminal in the second communication mode in which the security is released becomes possible. The wireless communication unit can distribute predetermined emergency information to the mobile terminal by short-range communication in the second communication mode. In this case, it is possible to provide predetermined emergency information to users of many portable terminals inside and outside the vehicle capable of short-range communication with the wireless communication unit without restricting access to the portable terminal by security. .

  Whether or not the emergency communication should be performed is based on whether or not a predetermined emergency operation has been performed by an occupant or the like, even if an emergency warning regarding disaster occurrence information or emergency evacuation information is made Based on the fact that the broadcast was received by other wireless devices (AM / FM radio, disaster broadcast receiver, etc.) and the combination thereof, various conditions such as taking into account the condition that the vehicle has become inoperable This can be done based on conditions.

  In the in-vehicle device according to the present invention, the emergency information to be distributed by the wireless communication unit includes information indicating the location of a predetermined information source even if the emergency information includes map information indicating a map of a predetermined area. There may be.

  If the map information includes the current position of the in-vehicle device (vehicle), the user can easily know the route from the current position to the neighboring facility. Moreover, it is preferable that the map information clearly shows the neighboring facility (area) of the in-vehicle device (vehicle) serving as the evacuation site on the map. The predetermined information source may be an information providing facility or institution such as a public facility that provides information, or a site on the Internet that provides various emergency information.

  In the in-vehicle device according to the present invention, the short-range wireless communication performed by the wireless communication unit with the mobile terminal is wireless LAN communication in accordance with a wireless LAN regulation, and the emergency communication determination unit performs the wireless communication. When it is determined that the unit should perform emergency communication, the wireless communication unit may include an identifier changing unit that changes a character string constituting an identifier related to wireless LAN communication provided by the wireless communication unit to a predetermined character string. it can.

  With such a configuration, when it is determined that the wireless communication unit should perform emergency communication, wireless LAN communication in the second communication mode in which the security is released can be performed with the mobile terminal. At this time, a character string constituting identification information (SSID: Service Set Identifier) related to wireless LAN communication by the wireless communication unit is changed to a predetermined character string. For this reason, the portable terminal can access the wireless communication unit and perform wireless LAN communication based on the identification information. In this case, if the character string of the changed identification information can represent an emergency, the user who uses each mobile terminal presents a plurality of identification information (SSID) related to various wireless LAN communications. Even if it is done, wireless LAN communication that can obtain emergency information can be easily specified by the identification information (SSID) represented by the character string that can represent emergency.

  Furthermore, in the in-vehicle device according to the present invention, the short-range wireless communication performed by the wireless communication unit with the portable terminal is wireless LAN communication defined by a wireless LAN rule, and the wireless communication unit is a portable terminal. An identifier shielding means for hiding an identifier relating to wireless LAN communication performed in the first communication mode between the wireless communication unit and the emergency communication determination means, when the wireless communication unit determines that the emergency communication should be performed, An identifier shielding cancellation unit that cancels hiding the identifier may be included.

  With such a configuration, an identifier (SSID) relating to wireless LAN communication performed in the first communication mode between the wireless communication unit and the mobile terminal is hidden in a normal state, so that wireless LAN communication at a higher security level is performed. Is possible. On the other hand, when it is determined that emergency communication should be performed in a disaster or the like, the wireless communication unit performs wireless LAN communication with the mobile terminal in the second communication mode in which the security is released. Since the hiding of the identifier (SSID) related to the communication LAN communication with respect to the portable terminal is released, the identification of the wireless LAN communication in which many portable terminals inside and outside the vehicle capable of wireless LAN communication with the wireless communication unit distribute predetermined emergency information is performed. Information (SSID) can be easily specified.

  According to the vehicle-mounted device according to the present invention, in the normal state, access from a mobile terminal whose access is restricted by security is not permitted, and the mobile terminal that is not restricted by security is closed in the first communication mode. When it is determined that the wireless communication unit capable of performing distance communication should perform emergency communication, for example, when a disaster occurs, the second communication mode in which the security is released with the mobile terminal Predetermined emergency information for many mobile terminal users inside and outside the vehicle that can communicate with the wireless communication unit without restricting access to the mobile terminal without security. Therefore, it is possible to provide a large number of people with necessary information in an emergency such as a disaster with a simple configuration.

It is a block diagram which shows the structure of the vehicle equipment which concerns on one Embodiment of this invention. It is a figure which shows an example of the identification information (SSID) regarding the wireless LAN communication displayed as a list by a portable terminal (smartphone) in normal time. It is a flowchart which shows the control procedure of the radio | wireless communication unit by a control unit. It is a figure which shows typically the state of the radio | wireless communication with the radio | wireless communication unit (vehicle equipment) and the portable terminal (smartphone) in the normal time. It is a figure which shows an example of the identification information (SSID) regarding the wireless LAN communication displayed as a list by a portable terminal (smart phone) in an emergency. It is a figure which shows typically the state of the radio | wireless communication with the radio | wireless communication unit (vehicle equipment) and portable terminal (smartphone) in emergency. It is a figure which shows an example of the portable terminal (smart phone) which receives the emergency information delivered from a vehicle equipment (wireless communication unit) in the case of emergency.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  An in-vehicle device according to an embodiment of the present invention is configured as shown in FIG.

  In FIG. 1, this in-vehicle device 100 includes a control unit 11 configured by a computer unit (for example, including a CPU), and includes a display unit 12, a touch panel included in the display unit 12, various operation buttons, and the like. The operation unit 13 is connected to the control unit 11. The control unit 11 also includes an AV unit 17 capable of reproducing various sound sources and video sources (for example, CD, DVD, etc.) and receiving / reproducing processing for FM / AM radio broadcasts, and route guidance for the host vehicle. A navigation unit 18 that performs navigation processing such as the above and an output circuit 15 to which a speaker 16 is connected are connected. Under the control of the control unit 11, an audio signal based on the processing of the AV unit 17 and the navigation unit 18 is supplied to the speaker 16 through the output circuit 15, and a sound based on the audio signal is output from the speaker 16. . Furthermore, the control unit 11 stores various information that can be used in the in-vehicle device 100 such as music information, video information, and map information used in the AV unit 17 and the navigation unit 18 (for example, Hard disk) is connected.

  This in-vehicle device 100 has a wireless communication unit 20. The wireless communication unit 20 can perform wireless communication (for example, third generation mobile wireless communication) using a predetermined mobile communication network under the control of the control unit 11, and also define wireless LAN (for example, Wireless LAN communication in accordance with IEEE801.11 regulations) is possible. The wireless communication unit 20 encrypts WEP (Wired Equipment Privacy), WPA (Wi-Fi Protected Access), etc. for restricting access from the mobile terminal to the mobile terminal 200 (for example, a smartphone). Wireless LAN communication in the communication mode (first communication mode) in which security is set according to, and wireless LAN communication in the communication mode (second communication mode) in which security is released by releasing the encryption It is.

  Furthermore, the wireless communication unit 20 distributes an SSID (Service Set Identifier) as an identifier related to wireless LAN communication provided by the wireless communication unit 20 by a beacon signal. The mobile terminal 200 in the area where the beacon signal can be received can display the SSID included in the received beacon signal. For example, as shown in FIG. 2, the display screen 210 of the mobile terminal 200 displays a list of various SSIDs that can be received by the mobile terminal 200, including SSIDs distributed from the wireless communication unit 20 of the in-vehicle device 100. Is done. In the example shown in FIG. 2, security is not set for three SSIDs relating to wireless LAN communication for which security is set (see lock mark), SSID1 (0045A25CE42), SSID2 (0045A25CE43), and SSID3 (ROUTEA00123). One SSID4 (WLAN001) related to wireless LAN communication (without a lock mark) is displayed in a list on the display screen of the mobile terminal 200. In the list display shown in FIG. 2, the wireless LAN communication provided by the wireless communication unit 20 of the in-vehicle device 100 is specified by, for example, SSID3 (ROUTEA00123). The user of the mobile terminal 200 can know the wireless LAN communication that can be used by the SSIDs listed on the display screen, and can easily select the wireless LAN communication used by the mobile terminal 200. The mobile terminal 200 is not restricted in access by setting the SSID 3 (ROUTEA00123) for specifying the wireless LAN communication provided by the wireless communication unit 20 of the in-vehicle device 100 and its security key (key information). Wireless LAN communication with the wireless communication unit 20 is possible.

  The wireless communication unit 20 performs wireless LAN communication with the portable terminal 200 under the control of the control unit 11 according to the procedure shown in FIG.

  In FIG. 3, the control unit 11 monitors whether or not emergency communication is necessary in normal time (S12: emergency communication determination means), and secures the wireless communication unit 20 by encryption such as WEP or WPA. The wireless LAN communication specified by the SSID 3 (ROUTEA00123) is controlled in the set communication mode (first communication mode) (S11). As a result, the wireless communication unit 20 does not allow access from a mobile terminal whose access is restricted without setting the security by encryption, and the mobile terminal that is set by security and is not restricted by access. Wireless LAN communication is performed with the communication mode 200 in which the security is set by the encryption. At this time, the wireless communication unit 20 uses, for example, information on the Web obtained via the mobile communication network (3G) by wireless LAN communication, as shown in FIG. It can be distributed to the mobile terminal 200 that is not restricted. Thereby, information can be provided to limited users such as passengers of the vehicle V who use the portable terminal 200 without the access restriction during normal times.

For example, when a predetermined emergency operation is performed at the operation unit 13 when the vehicle V becomes unable to travel and the occupant leaves the vehicle V when a disaster such as a large earthquake occurs, the control unit 13 11 determines that emergency communication is necessary (YES in S12). Then, the control unit 11 switches the wireless LAN mode in the wireless communication unit 20 to a mode that enables communication between devices (S13), and releases the security by the encryption (S14). Further, the control unit 11 intuitively indicates that the SSID3 character string (ROUTEA00123) for specifying the wireless LAN communication provided by the wireless communication unit 20 is emergency information distribution such as “Hinan_Keiro” and “Hinan_Joho”. The character string is changed to a predetermined character string that is easy to grasp (S15: identifier changing means). Then, the control unit 11 controls the wireless communication unit 20 to a state in which wireless LAN communication specified by SSID3 _change (Hinan_keiro) is possible in the communication mode (second communication mode) in which the security is released by the encryption. (S16: Communication mode switching means).

When a mobile terminal 200 in a predetermined neighborhood area including the location of the vehicle V searches for wireless LAN communication when a disaster occurs, a wireless screen that can be used is displayed on the display screen 210, for example, as shown in FIG. A list of SSIDs specifying the communication LAN communication is displayed. This list includes SSID3 _change (Hinan_Keiro) of wireless LAN communication provided by the wireless communication unit 20 (onboard device 100) mounted on the vehicle V. This is the SSID3 (ROUTEA00123) (ROUTEA00123) ( Different from FIG. Further, in this list, it is clearly indicated that the wireless communication LAN specified by this SSID3 _change (Hinan_Keiro) is not set with security (no lock mark).

When the wireless LAN communication specified by the SSID3 _change is selected by setting the SSID3 _change composed of the character string (Hinan_Keiro) in the mobile terminal 200 in the predetermined vicinity area of the vehicle V, FIG. As shown, the portable terminal 200 in the predetermined vicinity area of the vehicle V can perform wireless LAN communication with the wireless communication unit 20 of the in-vehicle device 100 in a communication mode in which security is released. When the mobile terminal 200 accesses the wireless communication unit 20 in this state, the wireless communication unit 20 creates the wireless communication using, for example, information (map information, facility information, etc.) stored in advance in the storage unit 14. The emergency information to be sent is distributed to the mobile terminal 200 (S16 in FIG. 3: communication control means). The emergency information includes, for example, map information representing a map of a predetermined area including the current position, information on evacuation facilities existing in the predetermined area, and information on information sources that transmit various information, for example, information source Information such as URL and contact information (telephone number or address) of the disaster response headquarters can be included.

  In the mobile terminal 200 that is mounted on the vehicle V and receives emergency information distributed by wireless LAN communication from the wireless communication unit 20, the emergency information is displayed on the display screen 210. And the user of the portable terminal 200 can act appropriately, such as heading to the evacuation facility without hesitation based on the displayed emergency information.

  In the in-vehicle device 100 having the wireless communication unit 20 as described above, the mobile terminal 200 that is not restricted by encryption security without allowing access from a portable terminal that is restricted by encryption security during normal operation. Wireless LAN communication in a communication mode (first communication mode) in which security is set by encryption. In this case, useful information can be provided to a limited user who uses the portable terminal 200 that is not restricted by the security. On the other hand, for example, when the vehicle V is disabled during a disaster or the like and a predetermined emergency operation is performed by the occupant at the operation unit 13, the wireless communication unit 20 communicates with the portable terminal. Wireless LAN communication is possible in the communication mode (second communication mode) in which security by encryption is canceled. Then, the wireless communication unit 20 can deliver predetermined emergency information to the mobile terminal 200 by wireless LAN communication whose security is released. In this case, access to the mobile terminal is not restricted by security, and as shown in FIG. 7, it is predetermined for users of many mobile terminals 200 inside and outside the vehicle V capable of wireless LAN communication with the wireless communication unit 20. Emergency information can be provided.

  In this way, during normal times, the wireless communication unit 20 of the in-vehicle device 100 that performs security distribution by wireless LAN communication to a limited user's mobile terminal 200 in which security by encryption is set is, for example, a disaster occurrence. In some cases, wireless LAN communication in a communication mode in which security is released can be performed with the mobile terminal 200, and access to the mobile terminal 200 is not restricted by security, and wireless communication with the wireless communication unit 20 can be performed. Predetermined emergency information can be provided to users of many mobile terminals 200 inside and outside the vehicle capable of LAN communication. For this reason, since there are many vehicles V equipped with such an in-vehicle device 100, it is possible to provide information necessary in an emergency such as a disaster to many people with a simple configuration.

In addition, in the above-described in-vehicle device 100, when it is determined that emergency communication should be performed (YES in S12), the character string (ROUTEA00123) constituting the SSID 3 related to wireless LAN communication provided by the wireless communication unit 20 is in an emergency. Since it is changed to a character string (Hinan_Keiro) that is easy to grasp intuitively that information is distributed, a user using a mobile terminal has a plurality of SSID1 to SSID4 (see FIG. 5) related to various wireless LAN communications. Even if presented, wireless LAN communication that can obtain emergency information easily with the SSID3 _change represented by a character string (Hinan_Keiro) that makes it easy to intuitively understand that it is emergency information distribution. Can be identified.

  In the in-vehicle device 100 described above, when it is determined that the wireless communication unit 200 should perform emergency communication with the identifier shielding means (stealth function) that hides the SSID related to the wireless LAN communication provided by the wireless communication unit 20 (FIG. 3), and an identifier shielding releasing means (stealth releasing function) for releasing the concealment of the SSID may be provided. By doing so, the SSID related to the wireless LAN communication for which the security performed by the wireless communication unit 20 with the mobile terminal 200 is hidden in the normal state, so wireless LAN communication at a higher security level is possible. become. On the other hand, when it is determined that emergency communication should be performed in the event of a disaster and the wireless communication unit 20 performs wireless LAN communication with the mobile terminal 200 in the communication mode in which security is released, the wireless communication is performed. Since the concealment of the SSID related to the LAN communication with respect to the portable terminal 200 is released, a large number of portable terminals 200 inside and outside the vehicle capable of wireless LAN communication with the wireless communication unit 20 can perform wireless LAN communication for delivering predetermined emergency information according to the SSID. It can be easily identified.

  In the in-vehicle device 100 described above, it is determined that emergency communication is necessary when an emergency operation is performed by a passenger. However, the present invention is not limited to this. For example, a disaster such as disaster occurrence information or emergency evacuation information may be used. Even if it is determined that emergency communication is necessary when an emergency warning broadcast about information on FM / AM radio or the like (AV unit 17) is received, the fact that the vehicle V has further stopped is considered. You may make it determine.

  In the above-described in-vehicle device 100, the wireless communication unit 20 performs wireless LAN communication with the mobile terminal 200. However, the wireless communication unit 20 may perform other short-range communication such as Bluetooth (registered trademark). Good.

  As described above, the in-vehicle device according to the present invention has an effect that it can provide information necessary in an emergency such as a disaster to many people with a simple configuration. It is useful as an in-vehicle device having a wireless communication unit that distributes.

DESCRIPTION OF SYMBOLS 11 Control unit 12 Display part 13 Operation part 14 Memory | storage part 15 Output circuit 16 Speaker 17 AV unit 18 Navigation unit 20 Wireless communication unit 100 In-vehicle apparatus 200 Portable terminal 210 Display screen

Claims (7)

Short-range wireless communication in the first communication mode in which predetermined security for restricting access from the portable terminal is set with the portable terminal, and short-range in the second communication mode in which the security is released A wireless communication unit capable of communication;
Emergency communication determination means for determining whether or not emergency communication should be performed in a state in which the wireless communication unit is capable of near field communication with the mobile terminal in the first communication mode;
Communication that switches the wireless communication unit to a state in which short-range communication with the mobile terminal is possible in the second communication mode when the emergency communication determination unit determines that the emergency communication should be performed. Mode switching means;
When the wireless communication unit is in a state in which near field communication with the mobile terminal is possible in the second communication mode, predetermined wireless communication information is transmitted to the mobile terminal that has accessed the wireless communication unit. An in-vehicle device having communication control means for distributing to a communication unit.   The in-vehicle device according to claim 1, wherein the emergency communication determination unit determines whether or not the emergency communication should be performed based on whether or not a predetermined emergency operation has been performed. Having a broadcast receiving means for receiving an emergency alert broadcast;
The in-vehicle device according to claim 1, wherein the emergency communication determination unit determines whether or not the emergency communication should be performed based on whether or not an emergency alert broadcast is received by the broadcast reception unit.   The in-vehicle device according to any one of claims 1 to 3, wherein the emergency information includes map information representing a map of a predetermined area.   The in-vehicle device according to any one of claims 1 to 4, wherein the emergency information includes information indicating a location of a predetermined information source. The short-range wireless communication performed by the wireless communication unit with the mobile terminal is wireless LAN communication in accordance with wireless LAN regulations,
An identifier that changes a character string constituting an identifier related to wireless LAN communication provided by the wireless communication unit to a predetermined character string when the emergency communication determination unit determines that the wireless communication unit should perform emergency communication. The in-vehicle device according to claim 1, further comprising a changing unit. The short-range wireless communication performed by the wireless communication unit with the mobile terminal is wireless LAN communication defined by wireless LAN regulations,
An identifier shielding means for hiding an identifier relating to wireless LAN communication performed by the wireless communication unit with the mobile terminal in the first communication mode;
7. An identifier shielding cancellation unit that cancels hiding the identifier when the emergency communication determination unit determines that the wireless communication unit should perform emergency communication. In-vehicle equipment.

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