JP5211896B2 - In-vehicle device control system - Google Patents

Description

  The present invention relates to a vehicle-mounted device control system that can be set for each portable device with respect to functions of the vehicle-mounted device such as vehicle door unlocking control and door opening control, and engine start control.

Conventionally, for example, a technique described in Patent Document 1 is known as this type of in-vehicle device control system. The technique described in this document includes a main key that returns a first response signal in response to a request signal transmitted from the vehicle-side device, and a subkey that returns a second response signal in response to the request signal. . When the response signal is received by the receiver, the CPU of the verification ECU performs a verification process. The vehicle door can be unlocked regardless of whether the response signal that has been verified is the first response signal or the second response signal. On the other hand, the engine start is permitted when the response signal that has been verified is the first response signal, but the engine start is not permitted when the response signal that has been verified is the second response signal. To do.
Japanese Patent Laid-Open No. 2008-8111

  By the way, the following problems may occur in the above technique. In other words, when it is determined that verification has been established for a plurality of portable devices by performing wireless two-way communication, a function that should have been permitted (activated) may not be activated or prohibited (not activated). Functions that should have been set may malfunction.

  Specifically, for example, while an adult carrying a portable device with permission for engine start control is working in the front passenger seat, rear seat, etc., carry the portable device with engine start control prohibited. Suppose that a child accidentally executes an engine start operation. At this time, if the vehicle interior verification for the former portable device is established, the engine start control is executed even though the person who actually executed the engine start operation is a child carrying the latter portable device. May end up. Or, for example, a child carrying a portable device for which engine start control is prohibited is seated in a passenger seat, rear seat, etc., and an adult carrying a portable device for which engine start control is permitted is set to start the engine. Suppose the operation is executed. At this time, if vehicle interior verification for the former portable device is established, engine start control can be executed even though the person who actually executed the engine start operation is an adult carrying the latter portable device. It may disappear.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an in-vehicle device control system capable of reducing the occurrence of malfunctions and unintentional malfunctions of functions of in-vehicle devices. is there.

In order to achieve such an object, the invention described in claim 1 includes a human body communication unit that performs human body communication that is communication via a human body, and includes a plurality of portable devices that transmit unique information from the human body communication unit. A human body communication unit that is arranged in an operation unit of a predetermined in-vehicle device and performs the human body communication, and the human body communication unit communicates with the human body via the human body when the user operates the operation unit. When communication with a unit becomes possible, specific information is acquired from the portable device via the human body communication unit, and the predetermined in-vehicle device is based on setting information associated with the acquired specific information. a vehicle-side device for actuating a function of the plurality of mobile device with pre-registered portable unit outside or inside a predetermined range of the vehicle by performing a wireless two-way communication between the vehicle-side device Collating means for determining whether or not the vehicle side device determines that collation has been established for a plurality of portable devices by the collating means, and the human body communication unit of the portable device and the vehicle side While acquiring the specific information from the portable device by human body communication with the human body communication unit of the device, while operating the function of the predetermined in-vehicle device based on the setting information associated with the acquired specific information, When it is determined by the collating means that collation has been established for only one portable device, the unique information is acquired by the wireless bidirectional communication, and based on the setting information associated with the acquired unique information The function of the said predetermined vehicle equipment is operated .

  In such a configuration as the in-vehicle device control system, first, when the user operates the operation unit of the vehicle side device, the human body communication unit of the vehicle side device and the human body of the portable device are operated via the human body of the operated user. Communication with the communication unit is possible. When communication is possible between these human body communication units, the vehicle-side communication device acquires unique information from the portable device via the human body communication unit, and acquires setting information associated with the acquired unique information. And the vehicle side apparatus operates the function of a predetermined vehicle equipment based on the acquired setting information. Thus, in order to make it possible to communicate via the human body of the user between the human body communication unit of the portable device and the human body communication unit of the vehicle side device, the portable device is It becomes possible to specify a user to carry. As a result, it is possible to reduce the occurrence of malfunctions and unintentional malfunctions of the functions of the in-vehicle device.

  When it is determined by the collating means that collation has been established for only one portable device, there is a low possibility that a malfunction of the function of the in-vehicle device or an unintentional malfunction will occur. Therefore, in the above configuration, the vehicle-side device acquires specific information through wireless two-way communication, and activates a function of a predetermined in-vehicle device based on setting information associated with the acquired specific information. On the other hand, when it is determined by the verification means that verification has been established for a plurality of portable devices, there is a high possibility that a malfunction of the function of the in-vehicle device or an unintentional malfunction will occur. Therefore, in the above configuration, the vehicle-side device acquires unique information from the portable device by human body communication between the human body communication unit of the portable device and the human body communication unit of the vehicle-side device, and is associated with the acquired unique information. The function of a predetermined in-vehicle device is activated based on the set information. Thereby, since the user who carries a portable machine can be specified, it becomes possible to reduce generation | occurrence | production of the malfunction of the function which a vehicle equipment has, and the unintentional malfunction. In this way, even when collation is established among a plurality of portable devices, it is possible to reduce the occurrence of malfunctions and unintentional malfunctions of the functions of the in-vehicle device.

  One user may carry a plurality of portable devices. In this case, the vehicle control device needs to determine the operation mode of the in-vehicle device in order to acquire a plurality of unique information.

In this respect, the in-vehicle device control system according to claim 1, as in the invention of claim 2, wherein the vehicle-side apparatus, when a plurality acquires the unique information by the human body communication, a plurality of which were those acquired The priority may be determined based on the unique information, and the function of the predetermined in-vehicle device may be activated based on the setting information associated with the unique information having the highest priority. As a result, when a plurality of pieces of unique information are acquired, the function of the in-vehicle device can be activated based on the setting information associated with the unique information having the highest priority.

Alternatively, in the in-vehicle device control system according to claim 1 or 2 , as in the invention according to claim 3 , when the vehicle-side device acquires a plurality of the specific information by the human body communication, the predetermined on-vehicle device Of the functions of the apparatus, only the functions whose settings match may be activated.

Further, in the configuration described in claim 3 , as in the invention described in claim 4 , the vehicle further includes alarm means for alarming the user, and the vehicle side device receives a plurality of the unique information by the human body communication. If acquired, the user may be alerted by the alerting means without activating the conflicting function among the functions of the predetermined in-vehicle device. This makes it possible to notify the user that the contradictory functions have been set to inoperative.

  Hereinafter, an embodiment of an in-vehicle device control system according to the present invention will be described with reference to FIGS. FIG. 1 is a block diagram showing the overall configuration of the in-vehicle device control system 1.

  In the present embodiment, the in-vehicle device control system 1 uses a wireless bidirectional communication between the electronic key (portable device) 200 and the vehicle-side device 100 to lock (lock) and unlock the vehicle door (lock). It is embodied as a so-called smart entry system that performs unlocking), and also as a so-called smart start system that starts the engine using such wireless two-way communication.

  As shown in FIG. 1, the in-vehicle device control system 1 includes a vehicle-side device 100 mounted on a vehicle (not shown) and an electronic key 200 that is carried by a user of the vehicle. First, the configuration and function of the vehicle side device 100 will be described.

  The vehicle-side device 100 has a vehicle interior transmitter 102 and a vehicle interior transmitter 104. The vehicle interior transmitter 102 is provided, for example, between a front seat and a rear seat in the vehicle interior, and forms a vehicle interior detection area (predetermined range) for detecting the electronic key 200 so as to include the vehicle interior. For the sake of convenience, the out-of-vehicle transmitter 104 is illustrated as a single transmitter in FIG. 1, but is configured with, for example, “3 [pieces]” out-of-vehicle transmitters. That is, the out-of-vehicle transmitter 104 is provided between a right front door (hereinafter also referred to as a D seat door) and a right rear door (hereinafter also referred to as a DR seat door), and the right side of the D seat door and the DR seat door. A vehicle exterior transmitter that forms a vehicle exterior detection area (predetermined range) on the side (the vehicle exterior in the vehicle width direction), a left front door (hereinafter also referred to as P seat door), and a left rear door (hereinafter referred to as PR seat door) ), A transmitter outside the vehicle that forms a vehicle exterior detection area on the left side of the P seat door and the PR seat door (the vehicle outside in the vehicle width direction), and a luggage door or in the vicinity thereof, It is comprised by the vehicle exterior transmitter which forms a vehicle exterior detection area behind the luggage door. By the way, these detection areas are set to have a radius of about “0.7 to 1.0 m” centered on each outside-vehicle transmitter, for example.

  In addition, as shown in FIG. 1, the vehicle-side device 100 has an ECU 108. The ECU 108 is a computer that includes a CPU 110, a memory 112, and the like, and executes various processes in accordance with programs stored in advance in the memory 112 and the like.

  The CPU 110 performs, for example, the following processing according to a program stored and held in advance in the memory 112 or the like. That is, the CPU 110 requests the transmission to the outside-vehicle transmitter 104 at every predetermined period set in a short time of “about 0.3 [second]” when the vehicle is parked and the vehicle door is locked. Output a signal. When the transmission request signal is supplied, the vehicle exterior transmitter 104 transmits the transmission request signal to the vehicle exterior detection area. When the electronic key 200 is in the outside detection area when the transmission request signal is transmitted by the outside transmitter 104, a response signal including an ID code (unique information) is returned from the electronic key 200 (wireless bidirectional). communication).

  As shown in FIG. 1, the vehicle-side device 100 has a receiver 106. The receiver 106 is installed at a predetermined position inside the vehicle, and receives the response signal returned from the electronic key 200 as described above. The receiver 106 also receives an unlock signal, a lock signal, and the like transmitted from the electronic key 200 (wireless one-way communication). Then, the receiver 106 outputs received signals such as the response signal, the unlocking signal, and the locking signal to the ECU 108.

  The ECU 108 (specifically, the CPU 110) outputs a transmission request signal to the vehicle interior transmitter 102 and the vehicle interior transmitter 104 in order at different times. Therefore, the CPU 110 can determine from which vehicle exterior detection area the response signal is transmitted by determining when the response signal is supplied. That is, the CPU 110 can determine in which detection area the electronic key 200 is present, and therefore can determine whether the electronic key 200 is located inside or outside the vehicle interior.

  As described above, the response signal supplied to the CPU 110 includes the ID code of the electronic key 200 that returned the response signal. Therefore, the CPU 110 can collate the electronic key 200 that has returned the response signal. As described above, since the location of the electronic key 200 can also be determined, the CPU 110 can execute the exterior comparison and the interior verification of the electronic key 200.

  In addition, as shown in FIG. 1, the vehicle-side device 100 has a touch sensor 114. The touch sensor 114 is provided on each door outside handle (operation unit) (not shown) of a vehicle door (D seat door, P seat door, DR seat door, PR seat door, etc.) for the user to get on and off the seat. It has been. Then, the touch sensor 114 detects that the user has gripped these door outside handles, and supplies a signal indicating that to the ECU 108.

  The ECU 108 is connected to a vehicle door control device (vehicle equipment) 116, and signals can be transmitted / received to / from the vehicle door control device 116. Here, the vehicle door control device 116 can individually set the vehicle doors in a locked state or an unlocked state based on a control signal received from the ECU 108. Furthermore, the vehicle door control device 116 automatically opens the vehicle doors individually (automatic opening) or automatically closes the vehicle doors (automatic closing) based on a control signal received from the ECU 108. Is possible.

  Specifically, the ECU 108 generates the control signal based on the setting information associated with the ID code of the electronic key 200, and controls the vehicle door control device 116 with the generated control signal. The ECU 108 controls the vehicle door control device 116 to realize a function related to opening and closing of the vehicle door. The setting information includes unlocking and opening of the vehicle door, such as which of the plurality of vehicle doors is unlocked, which of the unlocked vehicle doors is automatically opened. This is information related to the door, and is stored and held in the memory 112 in association with the ID code of the electronic key 200.

  In addition, as shown in FIG. 1, the vehicle-side device 100 has an engine switch (operation unit) 118. The engine switch 118 is provided, for example, around a handle (not shown), detects that the user has operated the engine switch 118, and supplies a signal indicating that to the ECU 108.

  The ECU 108 is connected to an engine starter (on-vehicle equipment) 120, and signals can be transmitted to and received from the engine starter 120. Here, the engine starting device 120 can start an engine (not shown) based on a control signal transmitted from the ECU 108.

  Specifically, the ECU 108 generates the control signal based on the setting information associated with the ID code of the electronic key 200, and controls the engine starter 120 with the generated control signal, thereby relating to the engine start. The function is realized. Note that the setting information refers to whether the engine is started when the user operates the engine switch 118, or whether the engine is not started even when the user operates the engine switch 118. This information is stored in the memory 112 in association with the ID code of the electronic key 200.

  Next, the configuration and function of the electronic key 200 will be described. In FIG. 1, only one electronic key 200 is shown for convenience of illustration, but actually, the in-vehicle device control system 1 includes a plurality of electronic keys 200. As shown in FIG. 1, the electronic key 200 includes a receiving unit 202, a transmitting unit 204, an ECU 206, an unlock switch 208, a lock switch 210, and an electrode 212.

Among these, the receiving part 202 receives the transmission request signal transmitted from the vehicle interior transmitter 102 and the vehicle interior transmitter 104, and outputs the received transmission request signal to the ECU 206. The unlock switch 208 is a switch that is operated when the user instructs transmission of an unlocking signal.
The lock switch 210 is a switch operated when a user instructs transmission of a locking signal. When the unlock switch 208 and the lock switch 210 are operated by the user, the ECU 206 outputs a signal indicating that the unlock switch 208 and the lock switch 210 are operated.

  Further, when a transmission request signal is supplied from the receiving unit 202, the ECU 206 generates a response signal including the ID code of the electronic key 200 and outputs the response signal to the transmitting unit 204 (wireless bidirectional communication, so-called smart). In addition, when a signal is input from the unlock switch 208, the ECU 206 outputs an unlocking signal indicating that the unlocking operation has been performed to the transmission unit 204 (wireless one-way communication, so-called wireless). Furthermore, when a signal is input from the lock switch 210, the ECU 206 outputs a locking signal indicating that the locking operation has been performed to the transmission unit 204 (wireless one-way communication, so-called wireless). Then, the transmission unit 204 transmits various signals supplied from the ECU 206.

  Hereinafter, the receiver 106 and the electrode 122 constituting the human body communication unit of the vehicle side device 100, and the transmission unit 204 and the electrode 212 constituting the human body communication unit of the electronic key 200 will be described. As is well known, in human body communication, when a user touches both a transmission-side electrode and a reception-side electrode, a weak current flows on the surface of the user's human body, and communication is performed based on this current. There are a current system, an electric field system having a transmission-side electrode for inducing an electric field in a user's human body, a reception-side electrode for detecting an electric field induced in the user's human body, and the like. Among these, in the present embodiment, human body communication by electric field type is adopted, and it is assumed that the user carries the electronic key 200 in a pocket, for example.

  Specifically, the vehicle-side device 100 includes a receiver 106 and an electrode 122 as a human body communication unit. Among these, the electrode 122 is arrange | positioned at the door outside handle which is not shown in figure, for example, and if a user grasps a door outside handle, it will touch the electrode 122 simultaneously. The electrode 122 is also arranged on the engine switch 118, and when the user operates the engine switch 118, the electrode 122 is also touched at the same time. The receiver 106 detects an electric field induced in the user's human body when the user grips the door outside handle or operates the engine switch 118, and is transmitted from the electronic key 200 through the user's human body. Receive the ID code.

  In addition, the electronic key 200 includes a transmission unit 204 and an electrode 212 as a human body communication unit. Among these, the electrode 212 is disposed in the casing of the electronic key 200 with the surface thereof covered with an insulating film or the like, for example. When the electronic key 200 is carried in a user's pocket or the like, the transmission unit 204 uses the electrode 212 to induce an electric field in the user's human body.

  In this embodiment, when the user carries the electronic key 200 and holds the door outside handle, or when the user carries the electronic key 200 and operates the engine switch 118, the electrodes of the electronic key 200 are used. An electric field is induced in the user's human body by 212, and the induced electric field is detected by the electrode 122 of the vehicle-side device 100, whereby the ID code is transmitted from the electronic key 200 to the vehicle-side device 100.

  Hereinafter, the operation of the in-vehicle device control system 1 according to the present embodiment will be described with reference to FIGS. 2 and 3. FIG. 2 is a flowchart showing the procedure of the entry process S1 executed by the in-vehicle device control system 1. FIG. 3 is a flowchart showing the processing procedure of the start processing S2 executed by the in-vehicle device control system 1.

  When the entry process S1 shown in FIG. 2 starts to be executed, the ECU 108 first performs an outside-vehicle collation of the electronic key 200 as a determination process in step S101. Specifically, the ECU 108 forms the outside detection area of the electronic key 200 by transmitting the transmission request signal using the outside transmitter 104. When the electronic key 200 enters the out-of-vehicle detection area, the electronic key 200 returns the response signal described above. Then, the ECU 108 collates whether or not the ID code included in the response signal matches the ID code registered in the memory 112 in advance.

  When the vehicle interior verification is completed, the ECU 108 determines whether or not the plurality of electronic keys 200 have been detected, that is, whether or not the vehicle exterior verification has been established for the plurality of electronic keys 200, in the subsequent step S102. Here, when it is determined that the vehicle exterior verification is not established for the plurality of electronic keys 200 (“No” in the determination process in step S102), only one electronic key 200 registered in advance is detected outside the vehicle interior. Means that it is detected in In this case, the ECU 108 determines whether or not a signal indicating that the user has grasped the door outside handle has been supplied by the touch sensor 114 as the determination processing in the subsequent step S103. When it is determined that it has not been supplied (“No” in the determination process of step S103), the ECU 108 executes the determination process of step S103 again, while when it is determined that it has been supplied (in the determination process of step S103, “ Yes "), the ECU 108 proceeds to the determination process in the subsequent step S104. That is, the ECU 108 waits until the user holds the door outside handle in the determination process of step S103.

  When the user grips the door outside handle (“Yes” in the determination process in step S103), the ECU 108 determines the customization information as the determination process in subsequent step S104. Specifically, the ECU 108 reads from the memory 112 customization information associated with the ID code of the electronic key 200 detected only in the vehicle exterior detection area. In the read customization information, the ECU 108 sets the operation mode of the vehicle-side device 100 to an operation mode that executes not only unlocking of the vehicle door but also opening of the vehicle door, or only unlocking of the vehicle door. It is determined whether the operation mode to be executed is set.

  Here, when it is determined that the operation mode is set to the former operation mode (“unlock & open” in the determination process of step S104), the ECU 108 performs the vehicle door control device 116 as the subsequent process of step S105. To unlock and open a predetermined vehicle door. On the other hand, when it is determined that the operation mode is set to the latter operation mode (“unlock” in the determination process of step S104), the ECU 108 performs a predetermined process by the vehicle door control device 116 as a process of subsequent step S106. Unlock the vehicle door. Then, when the process of step S105 or the process of step S106 is completed, the ECU 108 once ends a series of entry processes.

  When it is determined in the determination process of the previous step S102 that the vehicle interior verification has been established for the plurality of electronic keys 200 ("Yes" in the determination process of step S102), the pre-registered electronic key 200 is detected outside the vehicle interior. This means that multiple areas are detected in the area. In this case, the ECU 108 determines whether or not a signal indicating that the user has gripped the door outside handle has been supplied by the touch sensor 114 as the determination process in the subsequent step S107. That is, similar to the determination process in step S103, the ECU 108 waits until the user holds the outside door handle in the determination process in step S107.

  When the user operates the outside door handle (“Yes” in the determination process in step S107), the ECU 108 executes the human body communication during the operation (process in step S108), and acquires the ID code of the electronic key 200. .

  When the ID code is acquired, the ECU 108 determines whether or not there are a plurality of acquired ID codes as a determination process in subsequent step S109. When there is only one acquired ID code (“No” in the determination process in step S109), the function relating to the vehicle door may be activated according to the customization information associated with this ID code. Therefore, the ECU 108 proceeds to the determination process of the previous step S104. On the other hand, when there are a plurality of acquired ID codes (“Yes” in the determination process in step S109), it is necessary to determine which function related to the vehicle door should be activated according to the customization information associated with which ID code. There is.

  Therefore, the ECU 108 determines the priority based on the plurality of acquired ID codes as the processing of the subsequent step S110. This priority determination method is arbitrary, but in the present embodiment, a correspondence table (table) of a plurality of ID codes and different priorities assigned in advance to these ID codes is stored in the memory 112. The ECU 108 acquires customization information associated with the ID code having the highest priority by referring to the correspondence table. And if customization information is acquired, ECU108 will transfer to the determination process of the said step S104, and will judge about the said customization information. Since the subsequent processing has already been described, a duplicate description is omitted here. As described above, the ECU 108 executes a series of entry processes S1. Note that the priority given in advance to the ID code can be arbitrarily given by the user.

  When the execution of the start process S2 shown in FIG. 3 is started, the ECU 108 first executes vehicle interior verification of the electronic key 200 as a determination process in step S201. Specifically, the ECU 108 forms a vehicle interior detection area of the electronic key 200 by transmitting the transmission request signal by the vehicle interior transmitter 102. When the electronic key 200 is in the vehicle interior detection area, the electronic key 200 returns the response signal described above. Then, the ECU 108 collates whether or not the ID code included in the response signal matches the ID code registered in the memory 112 in advance.

  When the vehicle interior verification is completed, the ECU 108 determines whether or not a plurality of electronic keys 200 have been detected, that is, whether or not the vehicle interior verification has been established for the plurality of electronic keys 200, in subsequent step S202. Here, when it is determined that the vehicle interior verification has not been established for the plurality of electronic keys 200 ("No" in the determination process in step S202), only one electronic key 200 registered in advance is detected in the vehicle interior detection area. Means that it is detected in In this case, the ECU 108 determines whether or not a signal indicating that the user has operated the engine switch 118 has been supplied as the determination process in the subsequent step S203. When it is determined that it has not been supplied (“No” in the determination process of step S203), the ECU 108 executes the determination process of step S203 again, while when it is determined that it has been supplied (in the determination process of step S203, “ Yes "), the ECU 108 proceeds to the subsequent determination processing in step S204. That is, the ECU 108 waits until the user operates the engine switch 118 in the determination process of step S203.

  When the user operates the engine switch 118 (“Yes” in the determination process in step S203), the ECU 108 determines the customization information as the determination process in step S204. Specifically, the ECU 108 reads from the memory 112 customization information associated with the ID code of the electronic key 200 detected only in the vehicle interior detection area. In the read customization information, the ECU 108 sets the operation mode of the vehicle-side device 100 to an operation mode in which the engine start is permitted or an operation mode in which the engine start is prohibited. Judge whether or not.

  Here, when it is determined that the operation mode is set to the former operation mode (“start permission” in the determination process in step S204), the ECU 108 causes the engine starter 120 to start the engine as the subsequent process in step S205. The start control is performed, and this series of start processing S2 is once ended. On the other hand, when it is determined that the operation mode is set to the latter operation mode (“start prohibition” in the determination process in step S204), the ECU 108 does not drive the engine starter 120 and performs this series of start processes. S2 is terminated once.

  When it is determined in the determination process of the previous step S202 that the vehicle interior verification has been established for the plurality of electronic keys 200 ("Yes" in the determination process of step S202), the pre-registered electronic key 200 is detected in the vehicle interior. This means that multiple areas are detected in the area. In this case, the ECU 108 determines whether or not a signal indicating that the user has operated the engine switch 118 has been supplied by the engine switch 118 as a determination process in subsequent step S206. That is, similar to the determination process in step S203, the ECU 108 waits until the user operates the engine switch 118 in the determination process in step S206.

  When the user operates the engine switch 118 (“Yes” in the determination process in step S106), the ECU 108 performs the human body communication during this operation (process in step S207), and acquires the ID code of the electronic key 200.

  When the ID code is acquired, the ECU 108 determines whether or not there are a plurality of acquired ID codes as a determination process in subsequent step S208. When there is only one acquired ID code (“No” in the determination process of step S208), the function related to engine start may be activated according to the customization information associated with this ID code. Therefore, the ECU 108 proceeds to the determination process in the previous step S204. On the other hand, when there are a plurality of acquired ID codes (“Yes” in the determination process in step S208), it is necessary to determine which function related to engine start should be activated according to the customization information associated with which ID code. There is.

  Therefore, the ECU 108 determines the priority based on the acquired plurality of ID codes as the processing of the subsequent step S209. This priority determination method is arbitrary, but in this embodiment, first, different priorities are assigned to a plurality of ID codes, and the correspondence between the ID code and the priority associated with this ID code is assigned. A table is stored in the memory 112. Then, the ECU 108 acquires customization information associated with the ID code with the highest priority by referring to this correspondence table. When the customization information is acquired, the ECU 108 proceeds to the determination process in step S204 and determines the customization information. Since the subsequent processing is as described above, a duplicate description is omitted here. As described above, the ECU 108 executes a series of start processes S2.

  In the above-described embodiment, when the user carries the electronic key 200 and grips the door outside handle, or the user carries the electronic key 200 and operates the engine switch 118, the electronic key When human body communication is possible between the user 200 and the vehicle-side device 100 via the user's human body, an ID code is acquired from the electronic key 200, and customization information associated with the acquired ID code is obtained. While acquiring from the memory 112, based on this acquired customization information, the function which concerns on a vehicle door and the function which concerns on starting of an engine was activated. Thus, in order to make communication via the user's human body between the electronic key 200 and the vehicle-side device 100 possible, it is a condition for operating the function related to the vehicle door and the function related to engine start. The user who carries the electronic key 200 can be specified. As a result, it is possible to reduce the occurrence of malfunctions and unintentional malfunctions of functions related to vehicle doors and functions related to engine start.

  The in-vehicle device control system 1 according to the present invention is not limited to the configuration exemplified in the above embodiment, and can be implemented with various modifications without departing from the spirit of the present invention. It is. In other words, for example, the following embodiment can be implemented by appropriately changing the above embodiment.

  In the said embodiment, although ID code was transmitted to the vehicle side apparatus 100 from the electronic key 200 by the said human body communication, it is not restricted to this. In addition to the ID code, customization information associated with the ID code may also be transmitted from the electronic key 200 to the vehicle-side device 100 through the human body communication. In this case, the memory 112 that stores and holds the customization information is disposed in the electronic key 200.

  In the above-described embodiment, the user can hold the door outside handle while carrying the electronic key 200, or the user can carry out the human body communication by operating the engine switch 118 while carrying the electronic key 200. I was going to be. That is, although the electric field type | formula which induces an electric field in a user's human body was employ | adopted, it is not restricted to this. In addition, for example, a current type in which a weak current is passed through the user's human body may be employed as the human body communication.

  In the above embodiment, the vehicle-side device 100 (specifically, the ECU 108) acquires a plurality of ID codes by human body communication (see the processing in step S110 (FIG. 2) and the processing in S209 (FIG. 3)) in the memory 112. Although the priority is determined by referring to the stored correspondence table, the priority determination method is not limited to this and is arbitrary. In addition to such a method of referring to the correspondence table, for example, the vehicle-side device 100 stores the frequency of use of the electronic key 200 in the memory 112 separately from the ID code, and the higher the use frequency, the higher the priority. The priority may be calculated according to a predetermined formula and determined.

  In the above embodiment (including modifications), when a plurality of ID codes are acquired by human body communication, the function of the in-vehicle device is operated according to the customization information associated with the ID code having the highest priority. Not exclusively. In addition, for example, the vehicle-side device 100 may execute the entry process S1a shown in FIG. 4 instead of the entry process S1 shown in FIG. 2, and instead of the start process S2 shown in FIG. The start process S2a may be executed.

  Specifically, the vehicle-side device 100 further includes appropriate warning means for warning the user, such as voice guidance. Then, the vehicle side device 100 determines whether or not the pieces of customization information corresponding to the acquired ID codes match each other as the determination processing in step S110a. Here, when it is determined that the customization information matches (“Yes” in the determination process of step S110a), the vehicle-side device 100 executes the processes of the above-described steps S104 to S106, thereby matching the customized information. To activate the function related to the vehicle door. On the other hand, when it is determined that the customized information does not match (“No” in the determination process of step S110a), the vehicle side device 100 warns the user by the alarm means as the subsequent process of step S111, and then opens the vehicle door. The entry process S1a may be terminated without activating the function according to. Furthermore, when it is determined that the customization information does not match, the vehicle-side device 100 may activate only the function of the matching part among the functions related to the vehicle door, and the conflicting part of the function related to the vehicle door. It is good also as alarming by an alarm means, without operating a function.

  Alternatively, the vehicle-side device 100 determines whether or not the pieces of customization information corresponding to the acquired ID codes match each other as the determination processing in step S209a. Here, when it is determined that the customization information matches (“Yes” in the determination process of step S209a), the vehicle-side device 100 executes the processes of the above-described steps S204 and S205, thereby matching the customized information. In accordance with the above, the engine start function is activated or deactivated. On the other hand, when it is determined that the customization information does not match (“No” in the determination process of step S110a), the vehicle side device 100 alerts the user by the alarm means as the subsequent process of step S210, The start process S2a is terminated without activating the function related to the start.

  Note that the above-described alarm means may not be provided in the above modification. In that case, the process of step S111 or the process of step S210 is omitted.

  In the above embodiment, the vehicle-side device 100 performs wireless bidirectional communication between the plurality of electronic keys 200 and the vehicle-side device 100, and when it is determined that the verification is established for the plurality of electronic keys 200, Although it has been determined whether or not the human body communication is possible, the present invention is not limited to this. In short, since it is sufficient that the user carrying the electronic key 200 can be specified, wireless two-way communication is not necessary in the first place. Therefore, the processing of steps S101 to S103 and the processing of steps S201 to S203 are omitted. May be.

The block diagram which shows the whole structure about one Embodiment of the vehicle equipment control system which concerns on this invention. The flowchart which shows the process sequence about the entry process performed by this Embodiment. The flowchart which shows the process sequence about the start process performed by this Embodiment. The flowchart which shows the process sequence about the modification of an entry process. The flowchart which shows the process sequence about the modification of a start process.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Vehicle equipment control system, 100 ... Vehicle side apparatus, 102 ... In-vehicle transmitter, 104 ... Outside transmitter, 106 ... Receiver (human body communication part), 108 ... ECU, 110 ... CPU, 112 ... Memory, 114 DESCRIPTION OF SYMBOLS ... Touch sensor 116 ... Vehicle door control device (vehicle equipment), 118 ... Engine switch (operation part), 120 ... Engine starter (vehicle equipment), 122 ... Electrode (human body communication part), 200 ... Electronic key (portable machine) , 202... Receiving unit, 204... Transmitting unit (human body communication unit), 206... ECU, 208... Unlocking switch, 210.

Claims (4)

It has a human body communication unit that performs human body communication that is communication through the human body, and includes a plurality of portable devices that transmit unique information from the human body communication unit,
A human body communication unit that is arranged in an operation unit of a predetermined in-vehicle device and performs the human body communication, and the human body communication unit and the human body communication unit of the portable device via the user's human body when the user operates the operation unit When the communication is possible, the unique information is acquired from the portable device via the human body communication unit, and the predetermined vehicle-mounted device is acquired based on the setting information associated with the acquired unique information. A vehicle-side device that activates the function ;
Collating means for determining whether there is a portable device registered in advance in a predetermined range outside or inside the vehicle by performing wireless two-way communication between the plurality of portable devices and the vehicle-side device; Prepared,
When it is determined by the verification unit that verification is established for a plurality of portable devices, the vehicle-side device performs the human body communication between the human body communication unit of the portable device and the human body communication unit of the vehicle-side device. While acquiring the specific information from the portable device, and operating the function of the predetermined in-vehicle device based on the setting information associated with the acquired specific information,
When it is determined by the collating means that collation has been established for only one portable device, the unique information is acquired by the wireless bidirectional communication, and based on the setting information associated with the acquired unique information A vehicle-mounted device control system that activates a function of the predetermined vehicle-mounted device . In the in-vehicle device control system according to claim 1 ,
When the vehicle-side device acquires a plurality of pieces of the unique information through the human body communication, the vehicle-side device determines priority based on the acquired pieces of unique information, and sets the setting information associated with the highest-priority unique information. A vehicle-mounted device control system that activates a function of the predetermined vehicle-mounted device on the basis of the function. In the in-vehicle device control system according to claim 1 or 2 ,
The vehicle-side device control system, wherein when the plurality of pieces of unique information are acquired through the human body communication, the vehicle-side device activates only a function whose setting matches among the functions of the predetermined vehicle-mounted device. In the in-vehicle device control system according to claim 3 ,
Further comprising warning means for warning the user;
When the vehicle-side device acquires a plurality of pieces of the unique information through the human body communication, the vehicle-side device issues a warning to the user by the warning unit without activating a function whose settings conflict with each other. In-vehicle device control system featuring

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