JP2009228290A - Remote control device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a remote control device for a vehicle capable of preventing data from being falsified. <P>SOLUTION: This remote control device for a vehicle comprises a wireless key detection means 10 installed on the vehicle 130, receiving a key signal transmitted from a wireless key 120, and detecting that the wireless key is within a predetermined operation range, a key information transmission means 20 for transmitting the key information corresponding to the key signal detected by the wireless key detection means to a center 140 located apart from the vehicle, a key effectiveness determination means 80 installed in the center for determining whether the wireless key is within the effective use period or not according to the received key information, a control instruction transmitting means 90 for transmitting an instruction which does not unlock the door lock of the vehicle to the vehicle when the wireless key is determined to be not within the effective use period by the key effectiveness determination means, and a vehicle control means 40 for so controlling the vehicle that the door lock of the vehicle is not unlocked according to the instruction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicular remote control device, and more particularly to a vehicular remote control device having wireless key detection means.

Conventionally, in a theft prevention system for preventing theft of a rental car using a smart key, identification information for identifying each vehicle and expiration date information indicating the expiration date of the rental car are stored in a memory in the smart key. In addition, by encrypting the identification information and expiration date information, there is a known anti-theft system that eliminates the risk of the identification information and expiration date information being tampered by a third party and improves security (for example, Patent Document 1).
JP 2007-210557 A

  However, in the configuration described in Patent Document 1 described above, since important information such as expiration date information is stored in the smart key, there is still a possibility that the data may be falsified by some means such as decryption. There was a problem that. In addition, since the information that can be held by the key itself has a limited memory upper limit, there is a problem that the key must be changed when there is information to be newly registered such as in-vehicle system addition or new increase, for example. there were. In particular, when the user has a plurality of keys, the driver information is held in the vehicle or the key, and thus the above-described problem is likely to occur.

  Therefore, an object of the present invention is to provide a vehicle remote control device that can prevent data falsification and can easily cope with addition of new data.

To achieve the above object, a vehicle remote control device according to a first aspect of the present invention is provided in a vehicle, receives a key signal transmitted from a wireless key, and detects that the wireless key is within a predetermined operating range. Wireless key detection means;
Key information transmission means for transmitting key information corresponding to the key signal detected by the wireless key detection means to a center existing away from the vehicle;
Key validity determination means that is provided in the center and determines whether or not the wireless key is within the expiration date based on the received key information;
Control command transmitting means for transmitting to the vehicle a command not to unlock the door lock of the vehicle when the key validity determining means determines that the wireless key is not within the expiration date of use;
Vehicle control means for performing control not to unlock the door lock of the vehicle based on the command.

  Thereby, even when the user has a plurality of wireless keys, the use expiration date information of the wireless keys can be held in the center, and falsification of the use expiration dates can be prevented.

A second invention is the vehicle remote control device according to the first invention,
The wireless key detection means includes a plurality of wireless key detection means including a driver side wireless key detection means provided on the driver side of the vehicle.

  This makes it possible to check the key usage expiration date for each wireless key even when multiple occupants with different wireless keys try to enter the vehicle at the same time. Can be improved.

A third invention is a vehicle remote control device according to the second invention,
The key information transmission means transmits signal strength information of each of the key signals detected by the plurality of wireless key detection means and position information of the wireless key detection means that has received the key signal to the center,
The key validity determining means identifies a wireless key on the driver's seat side based on the signal strength information and the position information,
The control command transmission means transmits driver information associated with the wireless key on the driver's seat side to the vehicle,
The vehicle control means controls the vehicle setting to be directed to the driver based on the driver information.

  Thereby, the vehicle setting can be performed in a state suitable for the driver, and a comfortable driving environment for the driver can be provided.

A fourth invention is the vehicle remote control device according to the third invention,
When the key validity determining means specifies a plurality of wireless keys on the driver side including a master key,
The control command transmission means transmits driver information associated with the master key to the vehicle.

  Thereby, even when the driver has a plurality of wireless keys including the master key, it is possible to provide a vehicle environment tailored to the owner of the master key that is likely to be a driver.

A fifth invention is a vehicle remote control device according to any one of the second to fourth inventions,
The plurality of wireless key detecting means are two, and the other wireless key detecting means is provided on the passenger seat side.

  Thereby, with a simple configuration of the wireless key detection means, it is possible to achieve a sufficient effect in accordance with practical use.

  According to the present invention, it is possible to prevent falsification of the expiration date of use of the wireless key.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 is a diagram illustrating an example of the overall configuration of a vehicular remote control device 200 according to a first embodiment to which the present invention is applied. In FIG. 1, the vehicle remote control device 200 according to this embodiment includes a wireless key detection unit 10, a key information transmission unit 20, a vehicle side reception unit 30, and a vehicle control unit 40 on the vehicle 130 side. The center 140 side includes a center side receiving means 70, a key validity determining means 80, and a control command transmitting means 90. Further, the center side may be provided with a database 100 and a computer 110 capable of rewriting information in the database 100. Further, as a related component of the vehicle remote control device 200 according to the present embodiment, the user of the vehicle 130 possesses the wireless key 120.

  First, components on the vehicle 130 side will be described.

  The wireless key 120 is means for controlling locking / unlocking of the vehicle 130 from the outside of the vehicle 130. The wireless key 120 transmits an authentication ID signal as a key signal to the vehicle 130. On the vehicle 130 side, when the key signal matches a predetermined authentication code, the vehicle 130 is configured to be able to execute control for unlocking or locking the door. The control device 200 determines not only whether the authentication code matches or does not match, but also whether the wireless key 120 is within the expiration date. Therefore, the vehicle remote control device 200 according to the present embodiment is configured such that the door of the vehicle 130 is not locked or unlocked only when the authentication ID signal matches the authentication code. This point will be described later.

  A plurality of wireless keys 120 may be prepared for one vehicle 130. For example, for one vehicle 130, one of the family members may have a master key and the other family members may have subkeys. The vehicular remote control device 200 according to the present embodiment can be suitably applied to such a single vehicle 130 when the user has a plurality of wireless keys 120.

  The wireless key detection unit 10 is a unit that receives a key signal transmitted by the wireless key 120 and detects whether or not the wireless key 120 exists within a predetermined detection area. When the wireless key 120 is within a predetermined range such as 70 [cm], 1 [m], or 2 [m], for example, the wireless key detecting means 10 receives the key signal of the wireless key and detects the presence of the wireless key. To detect. Various sensors that can receive and detect the key signal transmitted by the wireless key 120 may be applied to the wireless key detection unit 10.

  The wireless key detection unit 10 can detect the presence of the wireless key 120 for all of the plurality of wireless keys 120 prepared in the vehicle 130. As described above, since a plurality of wireless keys 120 are prepared in the vehicle 130 and it is not known which owner of the wireless key 120 is a driver, for all the wireless keys 120 prepared or registered, It is configured to be detectable.

  A plurality of wireless key detecting means 10 may be provided, but a single wireless key detecting means 10 may be provided as shown in FIG. For example, as shown in FIG. 1, if one wireless key detection means 10 is provided on the driver's seat side of the vehicle 130, the wireless key 120 possessed by the user approaching to drive the vehicle 130 is detected. Since the door can be unlocked and locked, for example, one wireless key detecting means 10 may be provided on the driver's seat side. In the first embodiment, an example in which only one wireless key detection unit 10 is provided will be described.

  The key information transmission unit 20 is a unit that transmits key information of the wireless key corresponding to the key signal detected by the wireless key detection unit 10 to the center 140. Although there are a plurality of possibilities for the wireless key 120, the key signal detected by the wireless key detection means 10 can tell which wireless key 120 is approaching the vehicle 130. Therefore, the key information transmitting unit 20 transmits key information indicating which wireless key 120 is the corresponding wireless key 120 to the center 140. In the vehicular remote control device 200 according to the present embodiment, the wireless key 120 and the vehicle 130 themselves do not have information on the key usage expiration date in order to prevent falsification of the usage expiration date data, and the center 140 manages this information. Therefore, the key information may be transmitted as information on which wireless key the detected wireless key 120 is.

  The key information transmitting means 20 may include means and functions necessary for transmitting the key information to the center 140. For example, a transmitter 21 that generates a transmission signal, an antenna 22 that transmits radio waves, and the like may be provided as necessary. You may be prepared.

  The vehicle side receiving means 30 is a means for receiving a control command signal transmitted from the center 140. A command signal is sent from the center 140 to determine whether to unlock the door or keep the locked state and not unlocked, and the door lock / unlock control of the vehicle 130 is executed accordingly. The receiving unit 30 receives a control command signal from the center 140.

  The vehicle-side receiving means 30 may include means necessary for receiving the control command signal. For example, the vehicle-side receiving means 30 may include an antenna 32 that receives radio waves and a receiver 31 that demodulates the received control command signal as necessary. It's okay. The antenna 32 may be configured integrally with the antenna 22 used in the key information transmitting unit 20.

  The vehicle control means 40 is means for controlling the unlocking and locking of the door of the vehicle 130 in accordance with the control command signal received by the vehicle-side receiving means 30. The vehicle control means 40 is connected to a door lock means 50 provided on the door in order to control locking / unlocking of the door, and sends a command to this to control unlocking and locking of the door. The vehicle control means 40 may be configured as arithmetic processing means. The vehicle control means 40 may include a storage means such as a central processing unit (CPU), a read only memory (ROM), and a random access memory (RAM), and may be configured as a computer that operates according to a program. Further, the vehicle control means 40 may be configured as an ASIC (Application Specific Integrated Circuit) having a predetermined electronic circuit. The vehicle control means 40 may be configured as an ECU (Electronic Control Unit) having these arithmetic processing means.

  The door lock unit 50 is a unit that locks or unlocks the door, and may be controlled by a command from the vehicle control unit 40.

  Next, components on the center 140 side will be described.

  The center 140 is an organization that manages information related to the vehicle 130, various related information, and the like. For example, G-Book or the like may be applied. In the vehicular remote control device 200 according to the present embodiment, the center 140 has vehicle information and key information, and also holds the expiration date information of the wireless key 120. Therefore, the vehicle 130 is determined from the key information received from the vehicle 130. The use expiration date set in the wireless key 120 of the vehicle 130 can be identified and confirmed.

  The center side receiving means 70 is means for receiving the key information transmitted from the key information transmitting means 20 on the vehicle 130 side. The center-side receiving means 70 may include means necessary for receiving the key information signal. For example, the center-side receiving means 70 acquires the key information by demodulating the received radio wave or the antenna 72 receiving the key information radio signal. A receiver 71 or the like may be provided as necessary.

  The key validity determination unit 80 is a unit that determines whether or not the wireless key 120 is within the expiration date of use based on the key information received by the center side reception unit 70. Based on the acquired key information, the key validity determination means 80 determines which vehicle 130 the wireless key 120 is based on the vehicle information of each vehicle stored in the database 100 in the center 140 and information on the wireless key. And the vehicle information and key information of the vehicle 130 are acquired.

  Here, the database 100 stores various information related to the vehicle registered in the center 140. Also, the expiration date information of the wireless key 120 is included in one of the information. As for the information of the wireless key 120, if a plurality of wireless keys 120 are prepared in one vehicle 130, the information is stored for each of the wireless keys 120. The information stored in the database 100 includes key expiration date information, vehicle information related to vehicle specifications such as whether or not the vehicle is a right-hand drive vehicle, the seat position preferred by the owner of the wireless key 120, and hands-free information. Individual setting information such as a mobile connection pattern may also be stored. Thus, by managing the information of the vehicle 130 and the user at a position away from the vehicle 130, it is not necessary to cause the vehicle 130 or the wireless key 120 to hold various important information. As a result, even if the vehicle 130 is stolen, for example, the thief cannot obtain information from the vehicle 130 or the wireless key 130, and various important information is protected.

  In the vehicle remote control device 200 according to the present embodiment, the expiration date of use of the wireless key 120 is stored in the database 100 on the center 140 side, so that when the vehicle 130 is stolen, the user can use the wireless key 120. By changing the expiration date of use, the use is suspended, and it is possible to take measures so that the thief cannot use the stolen vehicle 130. At that time, if the key usage expiration date is stored in the vehicle 130 or the wireless key 120, the theft may leave the vehicle 130 usable by modifying the data by some means. However, in the vehicular remote control device 200 according to the present embodiment, the information on the expiration date of use of the wireless key 120 is held only on the center 140 side, and thus the possibility of such data falsification is completely eliminated. be able to. Note that the expiration date information in the database 100 may be changed by the computer 110.

  The key validity determination means 80 accesses the database 100, identifies the wireless key 120 based on the key information sent from the center side receiving means 70, confirms the registered key usage validity period, and wireless key It is determined whether 120 is within the key usage expiration date. Then, the key validity determination unit 80 sends the determination result to the control command transmission unit 90. The key validity determining means 80 accesses the database 100, specifies the wireless key 120 matching the key information, searches for the key usage expiration date, and determines whether this is within the key usage expiration date at the time of access. Various means may be applied as long as it can perform arithmetic processing, and for example, it may be constituted by an ECU or the like equipped with a CPU or the like.

  The control command transmission unit 90 is a unit that transmits a control command to the vehicle 130 based on the determination result of the key validity determination unit 80. When the key validity determination unit 80 determines that the wireless key 120 is within the key usage validity period, the control command transmission unit 90 transmits a lock release command signal that permits unlocking the door of the vehicle 130. On the other hand, if the key validity determining unit 80 determines that the wireless key 120 is not within the key usage validity period, the control command transmitting unit 90 transmits a lock maintenance command signal that does not permit the unlocking of the door of the vehicle 130.

  The control command transmission means 90 may include means necessary for transmitting a control command signal to the vehicle 130. For example, a command signal transmitter 91 that generates a control command transmission signal, an antenna 92 that transmits radio waves, and the like. You may prepare as needed.

  The control command signal transmitted from the control command transmitting unit 90 is received by the vehicle-side receiving unit 30 provided in the vehicle 130, and the door lock / unlock control is executed by the vehicle control unit 40 as described above. It is.

  Next, an operation flow of the vehicle remote control device 200 according to the first embodiment will be described with reference to FIG. FIG. 2 is a diagram illustrating an example of a processing flow of the vehicle remote control device 200 according to the first embodiment. In FIG. 2, the processing flow is shown separately for the two processes so that it is easy to understand whether the process is executed on the vehicle 130 side or the center 140 side.

  In step 100, the wireless key 120 is detected by the wireless key detection means 10 provided in the vehicle 130. When the wireless key 120 exists within a predetermined detection area of the wireless key detecting means 10, the wireless key 120 transmits a key signal such as an ID signal, and the wireless key detecting means 10 detects this key signal. May be received. Thereby, it can be detected that the user who has the wireless key 120 approaches the vehicle 130.

  In step 110, the key information transmission unit 20 transmits key information corresponding to the key signal detected by the wireless key detection unit 10 to the center 140 side. The transmitted key information may be information about which wireless key 120 corresponds to the key signal.

  In step 120, the center side receiving means 70 provided in the center 140 receives the key information signal and sends the key information to the key validity determining means 80. Next, the key validity determining means 80 specifies the vehicle 130 of the user who owns the wireless key 120 from the vehicle information held in the database 100 in the center 140 based on the key information.

  In step 130, the key validity determination unit 80 determines whether or not the wireless key 120 is within the key usage validity period from the information of the user's vehicle 130. When it is determined that the wireless key 120 is not within the key usage expiration date, the routine proceeds to step 140, and when it is determined that the wireless key 120 is within the usage expiration date, the routine proceeds to step 150.

  In step 140, the control command transmission means 90 transmits a lock maintenance command for maintaining the door lock to the vehicle 130 without allowing the door lock to be unlocked. Thereby, when the vehicle 130 is stolen, the door lock can be reliably controlled remotely.

  On the other hand, in step 150, the control command transmission means 90 transmits a lock release command for permitting unlocking of the door lock and unlocking the door lock to the vehicle 130. As a result, smooth unlock control can be performed during normal times.

  In step 160, the vehicle-side receiving means 30 receives the lock maintenance command signal transmitted from the center 140 side, and the vehicle control means 40 executes control to maintain the door unlocked, and the door lock means 50 is locked. The state is maintained and the processing flow ends. When the vehicle 130 is stolen, even if the theft attempts to tamper with the key usage expiration date of the wireless key 120, the center 140 has key usage expiration date data, so that the tampering is impossible.

  In step 170, the vehicle-side receiving means 30 receives the unlock command signal transmitted from the center 140 side, and the vehicle control means 40 executes control for unlocking the door, and the door-lock means 50 is unlocked. Then, the processing flow ends. When the wireless key 120 is within the expiration date, the door lock can be unlocked as usual, and easy boarding is possible.

  As described above, according to the first embodiment, the center 140 side manages the key usage expiration date of the wireless key 120, thereby ensuring the anti-theft measure and performing the normal door lock release function of the wireless key 120. be able to. In addition, when adding new data or the like, data can be easily added by writing to the database 100 without changing the wireless key 120.

  FIG. 3 is an example of a diagram illustrating an overall configuration of a vehicle remote control device 200a according to a second embodiment to which the present invention is applied. In FIG. 3, the remote control device for a vehicle 200a according to the second embodiment is related to the first embodiment in that the wireless key detection means 10a includes a plurality of wireless key detection means 11 and 12 on the vehicle 130a side. This is different from the vehicle remote control device 200. The vehicle remote control device 200a according to the second embodiment is different from the first embodiment in that the vehicle 130 side includes a key information transmission unit 20, a vehicle side reception unit 30, and a vehicle control unit 40. This is the same as the vehicular remote control device 200. Furthermore, the vehicle remote control device 200a according to the second embodiment also relates to the first embodiment in that a plurality of wireless keys 121 and 122 are shown for the wireless key 120a possessed by the user on the vehicle 130a side. This is different from the vehicle remote control device 200.

  On the other hand, the vehicular remote control device 200a according to the second embodiment includes a center side receiving unit 70, a key validity determining unit 80, a control command transmitting unit 90, a database 100, and a computer 110 on the center 140 side. This is the same as the vehicle remote control device 200 according to the first embodiment.

  As described above, a plurality of wireless key detecting means 11 and 12 may be provided for the wireless key detecting means 10a as in the vehicle remote control device 200a according to the present embodiment. In FIG. 3, the wireless key detection means 11 and 12 are provided on the driver side and the passenger seat side. Thus, even when a plurality of users having the wireless key 120a are approaching the vehicle 130 at the same time, the wireless key 121 approaching the driver side is detected by the wireless key detecting means 11 on the driver side. The wireless key 122 approaching the passenger seat side can be detected separately by detecting the wireless key detecting means 12 on the passenger seat side. As a result, when there are a plurality of wireless keys approaching the vehicle 130, the wireless key detection means 11 and 12 having detection areas corresponding to them can receive the key signal, and the vehicle can be improved with higher accuracy. 130 ambient conditions can be detected.

  In FIG. 3, the driver side wireless key detecting means 11 and the passenger side wireless key detecting means 12 are shown, but the number is further increased, for example, the wireless key on the passenger seat side also in the vicinity of the rear seat. Three detection means 10a may be provided, or a wireless key detection means 10a may be provided on the rear seat driver's seat side to provide a total of four wireless key detection means 10a. Thereby, even when the user who has the wireless key 120a approaches the rear seat, these wireless key detection means 10a can individually detect these key signals. Conversely, the detection area of the driver side wireless key detection unit 11 and the passenger side wireless key detection unit 12 may be expanded, and the wireless key 120a approaching the rear seat may be detected using these. Further, when it is considered sufficient to be able to detect the wireless key 121 approaching the driver's seat side and the wireless key 122 approaching the passenger seat side, as shown in FIG. 3, the wireless keys existing around the wireless key detecting means 10a. What is necessary is just to comprise so that the wireless key detection means 11 and 12 which can detect the key 120a are each provided in the driver's seat side and the passenger seat side.

  When the wireless key detection unit 10a includes a plurality of wireless key detection units 11 and 12 as in the vehicle remote control device 200a according to the second embodiment, one of them is provided on the driver's seat side. It is preferable that the driver side wireless key detection means 11 is included. This is because when traveling the vehicle 130, someone is surely sitting in the driver's seat, so that the wireless key 121 is most easily detected.

  A key signal such as an ID signal transmitted from the wireless key 121 approaching the driver's seat side is detected by the wireless key detection means 11 on the driver's seat side, and a key signal transmitted from the wireless key 122 approaching the passenger seat side is This is detected by the passenger side wireless key detection means 12. Then, the key information of the wireless keys 121 and 122 corresponding to the detected plurality of key signals is transmitted to the center 140 side by the key information transmitting means 20, and the plurality of key information is transmitted to the center 140 side.

  On the center 140 side, the center side receiving means 70 receives a plurality of pieces of key information and sends them to the key validity determining means 80. The key validity determination unit 80 identifies the vehicle 130a from the vehicle information stored in the database 100 based on the received key information, and determines whether or not the detected wireless keys 121 and 122 are within the key valid use period. judge. This process is the same as that of the vehicle remote control device 200 according to the first embodiment, but the point of determining whether or not the key usage expiration date is determined for the plurality of wireless keys 121 and 122 in the first embodiment. It is different from processing.

  In this embodiment, since a plurality of key use expiration dates are confirmed, the key use expiration dates can be confirmed with higher reliability, and the accuracy of remote control can be improved. That is, even when it is determined whether or not the plurality of wireless keys 121 and 122 are within the key usage expiration date, the key usage expiration dates of the plurality of wireless keys 121 and 122 may normally be the same. Since there are many, it can be confirmed whether or not the determination of the key use expiration date is appropriately performed based on whether or not the two match.

  In addition, there may be a case where the key effective expiration dates of the plurality of wireless keys 121 and 122 are set differently. In this case, for example, priority is given to the shorter key effective expiration date or the operation When priority is given to the information of the wireless key 121 detected by the seat-side wireless key detection means 11, or there is a hierarchical relationship such as a master key and a sub key between the detected wireless keys 121 and 122, the upper hierarchy A rule for giving priority to the wireless key 120a may be determined in advance.

  Since the configuration and function of the subsequent control command transmission means 90 and the configuration and function of the vehicle-side receiving means 30 and the vehicle control means 40 on the vehicle side are the same as those in the first embodiment, the same reference numerals as in the first embodiment are used. The description is omitted.

  Next, an operation flow of the vehicle remote control device 200a according to the second embodiment will be described with reference to FIG. FIG. 4 is a diagram illustrating an example of a process flow of the vehicular remote control device 200a according to the second embodiment. Also in FIG. 4, like FIG. 2 of the first embodiment, the processing flow is shown separately for the vehicle 130a side and the center 140 side so that the operating subject can easily understand.

  In step 105, the plurality of wireless keys 121 and 122 within the predetermined detection area are detected by the plurality of wireless key detection means 11 and 12. For example, when the wireless key 121 approaches only the driver's seat side instead of the plurality of wireless keys 121 and 122, the key signal of the wireless key 121 may be detected only by the driver's seat side wireless key detection means 11.

  In step 111, key information of the wireless keys 121 and 122 corresponding to the key signals detected by the plurality of wireless key detection means 11 and 12 is transmitted to the center 140 side by the key information transmission means 20. The key information only needs to include information indicating which wireless key 121 or 122 is detected.

  In step 120, a plurality of pieces of key information are received by the center side receiving means 70, and then, based on the received plurality of key information by the key validity determining means 80, the user information is obtained from the vehicle information stored in the database 100. Vehicle 130a is identified.

  In step 130, the key validity determining means 80 determines whether or not the plurality of wireless keys 121 and 122 are within the key usage expiration date. Here, since the key usage expiration date is confirmed for the plurality of wireless keys 121 and 122, it is also possible to check whether or not these key usage expiration dates match, thereby improving the accuracy and reliability of the determination. Can do.

  When different key usage expiration dates are set for the plurality of wireless keys 121 and 122, processing for determining which expiration date should be prioritized may be performed. In such a case, different control may be performed in advance.

  If it is determined in step 130 that the plurality of wireless keys 121 and 122 are not within the key usage expiration date, the process proceeds to step 140. If it is determined that the plurality of wireless keys 121 and 122 are within the key usage expiration date, the step is performed. Proceed to 150.

  In step 140 to step 170, the same processing as that in the first embodiment is executed, and therefore, the same step numbers as those in the first embodiment are given and description thereof is omitted.

  According to the vehicle remote control device 200a according to the second embodiment, the vehicle 130a is provided with the plurality of wireless key detection means 11 and 12, so that remote control for locking and unlocking the door with higher accuracy is executed. Can do.

  FIG. 5 is a diagram illustrating an example of the overall configuration of a vehicular remote control device 200b according to a third embodiment to which the present invention is applied. In FIG. 5, the vehicle remote control device 200b according to the third embodiment includes, on the vehicle 130b side, a wireless key detection unit 10a including a plurality of wireless key detection units 11 and 12, a key information transmission unit 20b, and a vehicle side. In the point provided with the receiving means 30, the vehicle control means 40, and the door lock means 50, it is common with the remote control apparatus 200a for vehicles which concerns on Example 2. FIG. The remote control device for vehicle 200b according to the third embodiment is a vehicle according to the second embodiment in that the vehicle setting unit 60 is further provided on the vehicle 130b side, and a function is added to the key information transmission unit 20b. This is different from the remote control device 200a.

  Further, the vehicular remote control device 200b according to the third embodiment includes a center side receiving unit 70, a key validity determining unit 80a, a control command transmitting unit 90a, a database 100, and a computer 110 on the center 140b side. The vehicle is similar to the vehicle remote control device 200a according to the second embodiment in that it is provided, but the vehicle according to the second embodiment is different in that functions are added to the key validity determination unit 80a and the control command transmission unit 90a. This is different from the remote control device 200a.

  First, the changes on the vehicle 130b side will be described. In addition, about the component similar to Example 2, the same referential mark is attached | subjected and the description is abbreviate | omitted.

  The key information transmission unit 20b includes, in addition to key information indicating which wireless keys 121 and 122 are detected in the entire wireless key detection unit 10a from the key signals detected by the plurality of wireless key detection units 11 and 12, The signal strength information of the key signal received and detected by the detection means 11 and 12 from the wireless keys 121 and 122 and the wireless key detection position information indicating which wireless key detection means 11 and 12 detected the key signal are also included. Send. That is, in the second embodiment, only the information on the plurality of wireless keys 121 and 122 detected by the entire wireless key detection unit 10a is transmitted, and the information on the positions of the wireless keys 121 and 122 is not transmitted. However, in the vehicular remote control device 200b according to the third embodiment, the key information of the key signal detected by the wireless key detection means 11 and 12, the signal strength information of the key signal, and which wireless key detection means 11 and 12 are detected. Position information related to the detection position of whether the key information is detected is also transmitted.

  As a result, the key information, the signal strength information, and the detected position information corresponding to the key information, the signal strength information, and the detected position information can be acquired on the center 140b side, so that which wireless key 121, 122 is closer to the driver side of the vehicle 130b. Thus, it is possible to grasp the position status on the vehicle 130b side that the wireless keys 121 and 122 are approaching the passenger seat side. Then, for example, since it is possible to specify who the driver of the vehicle 130b is, if driver information such as preference settings at the time of driving of the owner of each wireless key 121, 122 is registered in the database 100, Control of changing various settings of the vehicle according to the driver is possible. In the vehicular remote control device 100b according to the present embodiment, in addition to confirming the expiration date of use of the wireless keys 121 and 122, when the key is within the expiration date, the vehicle setting is changed to the preference of the driver. An example of executing such fine control will be described.

  In the key information transmitting means 20b, such signal strength information of the key signal and detection means information indicating which wireless key detecting means 11 and 12 have detected the key signal having the signal strength are added. It is only necessary to increase the amount of data that can be transmitted for the transmitter 21b. Moreover, since the antenna 22 similar to Example 2 can be used about the antenna 22, the same referential mark is attached | subjected and the description is abbreviate | omitted.

  The vehicle setting means 60 is a means for changing various settings of the vehicle 130b according to the physique and preferences of the driver. The vehicle setting means 60 includes, for example, a sheet moving means 61 for moving the seat, a mobile phone setting means 62 for changing the connection destination of hands-free mobile phone, and a color setting means for setting images and lighting in the vehicle to a desired color. 63 etc. may be included. These are examples given as examples, and the vehicle setting means 60 may be applied with various setting means that can be changed depending on the physique and preferences of the driver.

  The vehicle setting means 60 is controlled by the vehicle control means 40, and the vehicle control means 40 executes control in accordance with the control command signal from the center 140b received by the vehicle side receiving means 30. The same as in Example 1 and Example 2.

  Next, functions of components on the center 140b side will be described.

  Although the type and number of information received by the center side receiving means 70 increases, it is sufficient to receive and demodulate these increased information signals and restore the information. Similar to Example 2. The same reference numerals are assigned and description thereof is omitted.

  The key validity determining unit 80b has the same function as that of the second embodiment in determining whether or not the plurality of wireless keys 121 and 122 are within the key usage validity period, but the wireless keys 121 and 122 are within the validity period. If there is a function, the function of specifying the driver-side wireless key 121, acquiring the driver information of the owner of the driver-side wireless key 121, and sending it to the control command transmitting means 90b is added. .

  A plurality of wireless keys 121 and 122 are set for one vehicle 130b, the driver information of the owner of each wireless key 121 and 122 is registered in the database 100, and information on the driver's vehicle settings Can be obtained, the key validity determination means 80b sends the driver information of the owner of the wireless keys 121 and 122 to be the driver to the control command transmission means 90b. In FIG. 5, since the main key 121 is detected on the driver's seat side, seat position information registered in the main key, hands-free portable connection information, and the like are sent. This makes it possible to provide a vehicle setting environment that is optimal for the driver.

  Note that the identification of the wireless key 121 on the driver's seat side by the key validity determining means 80b is performed when the key signal having the highest signal strength among the key signals detected by the driver's seat side wireless key detecting means 11 is detected. Since it is the wireless key 121 on the seat side, for example, the key information with the highest signal strength among the key information detected by the wireless key detection means 11 on the driver's seat is the wireless key 121 approaching the driver's seat side. You may make it determine.

  The control command transmission means 90b increases the type and number of information to be transmitted to the vehicle 130b. The control command transmission means 90b may be configured to transmit an increasing amount of data. Further, since the antenna 92 applied in the first embodiment and the second embodiment can be applied as it is, the same reference numerals as those in the first embodiment and the second embodiment are attached, and the description thereof is omitted.

  Next, an example of the operation flow of the vehicle remote control device 200b according to the third embodiment will be described with reference to FIG. FIG. 6 is a diagram illustrating an example of a process flow of the vehicle remote control device 200b according to the third embodiment. In FIG. 6, the flow is expressed separately on the vehicle 130 b side and the center 140 b side, similar to FIGS. 2 and 4 of the first and second embodiments.

  In step 105, the plurality of wireless key detection units 11 and 12 detect the presence of the plurality of wireless keys 121 and 122, respectively. Since this step has the same processing contents as those in FIG. 4 of the second embodiment, the same step numbers as those in FIG. 4 are given and description thereof is omitted.

  In step 115, the key information transmission means 20b transmits the key information, the signal strength information of the key signal, and the detected position information corresponding to the signal strength information to the center 140b side.

  In step 120, the user's vehicle 130b is specified from the vehicle information managed in the database 100 based on the received key information. Since this step has the same processing content as that of the second embodiment, the same step number is assigned and its detailed description is omitted.

  In step 130, the key validity determination means 80b determines whether or not the wireless keys 121 and 122 are within the key usage validity period. Since this step has the same processing content as that of the second embodiment, the same step number is assigned and its detailed description is omitted.

  If it is determined in step 130 that the wireless keys 121 and 122 are not within the key use expiration date, the process proceeds to step 140.

  In step 140, a lock maintenance command is transmitted to the vehicle 130b side by the control command transmission means 90b.

  On the vehicle 130b side, in step 160, control for maintaining the door lock is executed. Since this point is the same as that of Example 1 and Example 2, the same step number as Example 1 and Example 2 is attached | subjected and the description is abbreviate | omitted.

  Returning to step 130, when the key validity determining means 80 b determines that the wireless keys 121 and 122 are within the key usage validity period, the process proceeds to step 155.

  In step 155, the key validity determination means 80b determines whether the number of the wireless keys 121 and 122 having a high signal strength of the key signal is one on the driver's seat side. This step is a step for determining whether a user approaching the driver's seat has a plurality of wireless keys 121 and 122 alone. That is, for example, when a user approaching the driver's seat has a plurality of wireless keys 121 and 122, a plurality of key signals having substantially the same signal strength are detected by the driver's seat side wireless key detecting means 11. Thus, the driver cannot be determined in the normal determination, and special processing is required. In this step, it is determined whether or not the special processing is necessary.

  In step 155, if there is one wireless key 121, 122 having a high signal strength of the driver side wireless key detection means 11, the process proceeds to step 156, and if there are a plurality of wireless keys 121, 122, the process proceeds to step 157.

  In step 156, the driver information related to the vehicle setting associated with the wireless key 121 having a high signal strength of the key signal received by the driver side wireless key detecting means 11 is selected from the database 100 by the key validity determining means 80b and controlled. It is sent to the command transmission means 90b. Then, the door lock release command signal is transmitted to the vehicle 130b side by the control command transmission means 90b. As a result, the door can be unlocked and the vehicle setting suitable for the driver can be controlled.

  On the other hand, in step 157, the driver information relating to the vehicle setting associated with the master key set in advance is selected by the key validity determining unit 80b and sent to the control command transmitting unit 90b. Then, the control command transmission unit 90b transmits a lock release control command to the vehicle 130b in addition to the driver information transmitted from the key validity determination unit 80b.

  In general, a situation where a plurality of wireless keys 121 and 122 are possessed is considered to be a master key holder, and the plurality of wireless keys 121 and 122 often include a master key. . Therefore, in this step, when the driver has a plurality of wireless keys, the driver information relating to the vehicle settings associated with the master key is selected and transmitted. As a result, even when the driver's seat side wireless key detection unit 11 detects the plurality of wireless keys 121 and 122 with high signal strength and the driver cannot be specified, the driver is appropriately estimated and appropriate control is performed. Can do.

  In step 185, based on the lock / unlock command signal and driver information received by the vehicle-side receiving means 30, the vehicle control means 40 executes door lock release control and adapts the setting of the vehicle 130b to the driver's vehicle setting. Thus, change control in the vehicle 130b is performed.

  At this time, the door lock unit 50 is operated to unlock the vehicle, and for example, the vehicle setting unit 60 including the sheet moving unit 61, the mobile phone setting unit 62, the color setting unit 63, and the like is set according to the driver. By doing so, control is performed. Thereby, when the registered regular driver drives the vehicle 130b, a comfortable driving environment can be provided to the driver.

  Thus, according to the vehicle remote control device 200b according to the third embodiment, the data such as the key usage expiration date of the wireless keys 121 and 122 when the vehicle 130b is stolen is prevented from being falsified. When the user drives the vehicle 130b, an optimal vehicle setting suitable for the driver can be obtained.

  The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-described embodiments, and various modifications and substitutions can be made to the above-described embodiments without departing from the scope of the present invention. Can be added.

1 is an example of an overall configuration diagram of a vehicle remote control device 200 according to Embodiment 1. FIG. It is an example of the processing flow figure of the remote control device for vehicles 200 concerning Example 1. FIG. It is an example of the whole block diagram of the remote control apparatus for vehicles 200a which concerns on Example 2. FIG. It is an example of the processing flowchart of the remote control apparatus for vehicles 200a which concerns on Example 2. FIG. It is an example of the whole block diagram of the remote control apparatus for vehicles 200b which concerns on Example 3. FIG. It is an example of the process flowchart of the remote control apparatus for vehicles 200b which concerns on Example 3. FIG.

Explanation of symbols

10, 10a, 11, 12 Wireless key detection means 20, 20b Key information transmission means 21, 21b Transmitter 22, 32, 72, 92 Antenna 30 Vehicle side reception means 31, 71 Receiver 40 Vehicle control means 50 Door lock means 60 Vehicle setting means 61 Seat moving means 62 Mobile phone setting means 63 Color setting means 80, 80b Key validity determination means 90 Control command transmission means 91 Command signal transmitter 100 Database 110 Computer 120, 120a, 121, 122 Wireless keys 130, 130a, 130b Vehicle 140, 140b Center 200, 200a, 200b Vehicle remote control device

Claims (5)

Wireless key detection means provided in the vehicle for receiving a key signal transmitted from the wireless key and detecting that the wireless key is within a predetermined detection area;
Key information transmission means for transmitting key information corresponding to the key signal detected by the wireless key detection means to a center existing away from the vehicle;
Key validity determination means that is provided in the center and determines whether or not the wireless key is within the expiration date based on the received key information;
Control command transmitting means for transmitting to the vehicle a command not to unlock the door lock of the vehicle when the key validity determining means determines that the wireless key is not within the expiration date of use;
A vehicle remote control device comprising: vehicle control means for performing control so as not to unlock the door lock of the vehicle based on the command.   2. The vehicle remote control device according to claim 1, wherein the wireless key detection means includes a plurality of wireless key detection means including a driver seat side wireless key detection means provided on a driver seat side of the vehicle. . The key information transmission means transmits signal strength information of each of the key signals detected by the plurality of wireless key detection means and position information of the wireless key detection means that has received the key signal to the center,
The key validity determining means identifies a wireless key on the driver's seat side based on the signal strength information and the position information,
The control command transmission means transmits driver information associated with the wireless key on the driver's seat side to the vehicle,
The vehicle remote control device according to claim 2, wherein the vehicle control means controls the vehicle setting to be directed to the driver based on the driver information. When the key validity determining means specifies a plurality of wireless keys on the driver side including a master key,
The vehicle remote control device according to claim 3, wherein the control command transmission means transmits driver information associated with the master key to the vehicle.   5. The vehicular remote according to claim 2, wherein the plurality of wireless key detection means includes two, and the other wireless key detection means is provided on the passenger seat side. Control device.

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