JP4816597B2 - Driver detection system, key signal detection device, door lock control system, and engine control system - Google Patents

Description

  The present invention relates to a driver detection system, a key signal detection device, a door lock control system, and an engine control system.

  In the situation where painful traffic accidents caused by drunk driving are inevitable even with strict punishment of laws and regulations, various technologies have been proposed to prevent drunk driving when a driver's drunk is detected as a technology to suppress drunk driving. Yes. For example, a technique for detecting the alcohol concentration in exhaled breath and disabling the vehicle when the concentration exceeds a predetermined amount has been put to practical use to the extent that it is required to be installed by overseas laws.

  However, these technologies are technologies for so-called ex-post measures that determine whether or not the driver intends to drive the vehicle after drinking at a restaurant.

  Then, an object of this invention is to provide the technique which enables the driver | operator to take the countermeasure for preventing the drunk driving while the driver is in a restaurant.

  In order to achieve the above object, the first feature of the present invention is that a wireless key device (2) for automatically and wirelessly transmitting a key signal for releasing a vehicle door lock and a key installed in a restaurant. A driver detection system including a signal detection device (6) is used. Here, “automatically” means “without special operation of the wireless key device by the driver”.

  In the first feature of the present invention, the key signal detection device in the driver detection system detects the key signal when a driver carrying the wireless key device enters a restaurant (33, 49, 83). Further, the key signal detection device displays to the store clerk that the customer carrying the key device has visited the store based on the detection of the key signal (S34, S55, S84).

  In this way, using the fact that the wireless key device automatically transmits the key signal repeatedly and wirelessly, the driver carrying the wireless key device is found in the restaurant. For this purpose, a key signal detection device for detecting a key signal is installed in the restaurant.

  In this way, when the driver enters the drinking store and further enters the communication area of the key signal detection device, the key signal detection device indicates that the customer carrying the wireless key device has come to the store. Display to the store clerk. This allows the store clerk to know that a new customer is likely to drive the vehicle, so that the customer will not be served alcohol, or that the customer should be careful about drunk driving. Can be urged. Therefore, this driver detection system helps to take measures to prevent the driver's drunk driving while the driver is in the restaurant.

  The driver detection system includes an in-vehicle wireless communication device (4) that is mounted on the vehicle and releases the door lock of the vehicle based on the reception of the key signal transmitted by the wireless key device. Also good. And the vehicle-mounted side radio | wireless communication apparatus may transmit the parking information containing the information of the parking position of a vehicle to a radio | wireless key apparatus.

  In this case, the wireless key device may store the parking information transmitted from the in-vehicle wireless communication device and wirelessly transmit the parking information to the key signal detection device in the restaurant. Then, the key signal detection device is visited by a customer who is likely to return home by vehicle based on the fact that the parking position in the parking information transmitted from the wireless key device is in the vicinity of the location of the restaurant. The effect may be displayed to the store clerk.

  If the vehicle parking position is in the vicinity of the restaurant, the driver is likely to return home from the restaurant using the vehicle, but if the vehicle parking position is not in the vicinity of the restaurant, the driver There is also a great possibility of going home from a store without using a vehicle. Therefore, as described above, by switching the presence / absence of the display according to the distance between the parking position and the restaurant, the display is performed when the driver's possibility of drunk driving is high, and the display is performed otherwise. It is possible to execute a process with a high effect of preventing drunk driving per display.

  Moreover, the vehicle-mounted wireless communication apparatus may further include information on whether or not the parking position is the driver's home parking position in the parking information transmitted to the wireless key device. In this case, even if the parking position in the parking information transmitted from the wireless key device is in the vicinity of the location where the restaurant is located, the key signal detection device uses the parking position according to the parking position information for the driver's home. In the case of the parking position, it may not be displayed to the store clerk that a customer who has a high possibility of returning home by vehicle has come to the store.

  Even if the parking position is in the vicinity of the restaurant, if the parking position is a parking position for home, the driver is very likely to walk from the restaurant and return to the home. Therefore, in this case, as described above, since the store clerk does not display to the store clerk that a customer who has a high possibility of returning home by car, a process with a high effect of preventing drunk driving per display is performed. Can be executed.

  The vehicle-mounted wireless communication device (4) that is mounted on the vehicle and that releases the door lock of the vehicle and permits the start of the engine of the vehicle based on the reception of the key signal transmitted by the wireless key device, The detection system may have. In this case, the key signal detection device transmits a period restriction command for designating a function restriction period of the wireless key device to the wireless key device based on the reception of a predetermined operation by the store clerk. The function of allowing the vehicle-mounted wireless device to start the engine by transmitting the key signal of the wireless key device may be disabled during the period.

  In this way, the store clerk can prohibit the driver from driving the vehicle for a certain period using the key signal detection device. Such a function is, for example, when a driver declares that he / she wants to provide alcohol because he / she does not drive the vehicle when he / she returns at home, but instead of providing the driver with alcohol, the driver's wireless key It can be used to disable the vehicle for a period of time using the device.

  Further, this driver detection system may have a release device (7). The canceling device transmits a cancel command for canceling the function restriction of the wireless key device to the wireless key device based on the reception of the operator's predetermined operation. The function of allowing the vehicle-mounted wireless device to start the engine can be activated by transmitting the signal.

  Such a release device may be used by, for example, a driving agent. For example, when the driver arranges a driving agent and drives his / her vehicle, the driving agent sends a release command to the driver's wireless key device using the above-described release device. It is possible to do.

  In addition, the first feature is that when a driver of a vehicle carrying a wireless key device that automatically and wirelessly transmits a key signal for releasing the door lock of the vehicle enters a restaurant, the key signal Based on the detection means (S33, S49, S83) detecting the key signal, the display means (S34) for displaying to the store clerk that the customer carrying the wireless key device has visited the store. , S55, and S84).

  The second feature of the present invention is that a wireless key device (2) for automatically and repeatedly transmitting a key signal for releasing the door lock of the vehicle and a wireless key device mounted on the vehicle and transmitted by the wireless key device. The present invention relates to a door lock control system including a vehicle-mounted wireless communication device (4) that releases a door lock of the vehicle based on reception of a key signal. In this door lock control system, the in-vehicle wireless communication device transmits parking information including information on the parking position of the vehicle to the wireless key device, and the wireless key device transmits the parking information transmitted from the in-vehicle wireless communication device. Is stored and transmitted wirelessly.

  And the transmission partner of parking information is the key signal detection apparatus installed in a restaurant. At this time, if the key signal detection device receives the parking information and the parking position in the received parking information is in the vicinity of the location of the restaurant, the customer who is likely to return home by the vehicle It is assumed that the fact that the customer has visited the store is displayed to the restaurant clerk. In this case, the store clerk can know the driver's visit that is likely to drive home and return home. Then, the store clerk can prompt the driver to pay attention to drinking. Therefore, this door lock control system helps to take measures to prevent the driver's drunk driving while the driver is in the restaurant.

  According to a fourth aspect of the present invention, there is provided a wireless key device (2) for automatically and repeatedly transmitting a key signal for releasing the door lock of the vehicle and allowing the engine of the vehicle to start. On-board wireless communication device (4) that is mounted on a vehicle and that releases the door lock of the vehicle and permits the start of the engine based on reception of a key signal transmitted by the wireless key device. It is about the control system.

  In this door lock control system, the wireless key device stores the function restriction period based on the reception of the period restriction command that specifies the function restriction period of the wireless key device, and stores the function restriction period in the in-vehicle wireless communication device. The key signal to be transmitted includes period designation information indicating the period. The in-vehicle wireless communication device prohibits starting the engine if it is currently in the period indicated by the period designation information included in the received key signal, and if the present is outside the period, the engine Allow starting.

  As described above, based on the fact that the wireless key device has received the period restriction command, the period designation information indicating the function restriction period designated by the period restriction instruction is included in the key signal. Then, the in-vehicle wireless communication device compares the current time period with the period indicated by the period designation information, and prohibits engine start if the current time is within the period, and permits engine start if the current time is outside the period.

  In this way, for example, by transmitting a time limit command from the restaurant side to the wireless key device, driving of the vehicle by the driver can be prohibited for a certain period. Such a function is, for example, when a driver declares that he / she wants to provide alcohol because he / she does not drive the vehicle when he / she returns at home, but instead of providing the driver with alcohol, the driver's wireless key It can be used to disable the vehicle using the device. Therefore, this door lock control system helps to take measures to prevent the driver's drunk driving while the driver is in the restaurant.

  Further, the door lock control system transmits a release command for releasing the function restriction of the wireless key device to the wireless key device based on the reception of the operator's predetermined operation (7 ) May be provided. Furthermore, the wireless key device may include period designation information in the key signal transmitted to the in-vehicle wireless communication device based on the reception of the release command. Such a release device may be used by, for example, the above-mentioned driving agent.

  According to a third aspect of the present invention, there is provided a wireless key device (2) for automatically and repeatedly transmitting a key signal for releasing the door lock of the vehicle and allowing the engine of the vehicle to start. On-board wireless communication device (4) that is mounted on a vehicle and that releases the door lock of the vehicle and permits the start of the engine based on reception of a key signal transmitted by the wireless key device. It is about the control system.

  In this door lock control system, the wireless key device stores the function restriction period based on the reception of the period restriction command that specifies the function restriction period of the wireless key device, and during the period, The key signal transmitted to the in-vehicle side wireless communication device includes information during the period indicating that it is during the period, and outside the period, the key signal transmitted to the in-vehicle side wireless communication device includes information during the period. There is no such thing. Further, the in-vehicle wireless communication device prohibits starting of the engine based on the fact that the received key signal includes information during the period.

  As described above, based on the fact that the wireless key device has received the period restriction command, the period information is included in the key signal during the function restriction period specified by the period restriction command. And the vehicle-mounted side radio | wireless communication apparatus prohibits starting of an engine, when the key signal containing information during a period is received.

  In this way, for example, by transmitting a time limit command from the restaurant side to the wireless key device, driving of the vehicle by the driver can be prohibited for a certain period. Such a function is, for example, when a driver declares that he / she wants to provide alcohol because he / she does not drive the vehicle when he / she returns at home, but instead of providing the driver with alcohol, the driver's wireless key It can be used to disable the vehicle using the device. Therefore, this door lock control system helps to take measures to prevent the driver's drunk driving while the driver is in the restaurant.

  Further, the door lock control system transmits a release command for releasing the function restriction of the wireless key device to the wireless key device based on the reception of the operator's predetermined operation (7 ) May be provided. In this case, the wireless key device may end including the information during the period in the key signal transmitted to the in-vehicle wireless communication device based on the reception of the release command. Such a release device may be used by, for example, the above-mentioned driving agent.

  According to a fourth aspect of the present invention, there is provided a wireless key device (2) for automatically and repeatedly transmitting a key signal including an engine start permission command for allowing start of a vehicle engine, and mounted on the vehicle. The present invention relates to an engine control system including an in-vehicle wireless communication device (4) that permits engine start when an engine start permission command transmitted by a wireless key device is received.

  The wireless key device stores the function restriction period based on the reception of the period restriction command for designating the function restriction period of the wireless key device. During the period, the in-vehicle wireless communication device The transmission of the engine start permission command is stopped.

  In this way, the engine start permission command is not transmitted based on the fact that the wireless key device has received the time limit command. In this way, for example, by transmitting a time limit command from the restaurant side to the wireless key device, driving of the vehicle by the driver can be prohibited for a certain period. Such a function is, for example, when a driver declares that he / she wants to provide alcohol because he / she does not drive the vehicle when he / she returns at home, but instead of providing the driver with alcohol, the driver's wireless key It can be used to disable the vehicle using the device. Therefore, this engine control system helps to take measures to prevent the driver's drunk driving while the driver is in the restaurant.

  In addition, the engine control system transmits a release command for releasing the function restriction of the wireless key device to the wireless key device based on the reception of the operator's predetermined operation (7). May be provided. Furthermore, the wireless key device may cancel the transmission stop of the engine start permission command based on the reception of the cancel command. Such a release device may be used by, for example, the above-mentioned driving agent.

  In addition, the code | symbol in the parenthesis in the said claim shows the correspondence of the term described in the claim, and the concrete thing etc. which illustrate the said term described in embodiment mentioned later.

(First embodiment)
The first embodiment of the present invention will be described below. FIG. 1 conceptually shows the configuration of the driver detection system according to the present embodiment. The driver detection system includes a wireless key device 2 carried by the driver 1, an in-vehicle wireless communication device 4 mounted in a vehicle 3 owned by the driver 1, and a store-side wireless installed in a restaurant 5 where the driver 1 enters. A communication device 6 is included.

  A wireless key device (corresponding to an example of a key signal detection device) 2 automatically and repeatedly transmits a key signal to the surroundings automatically (that is, without user operation). When receiving the key signal, the in-vehicle wireless communication device 4 unlocks the door of the vehicle 3 and permits the engine of the vehicle 3 to start. When the driver 1 enters the restaurant 5, the store-side wireless communication device 6 receives the key signal transmitted by the wireless key device 2, and the operation for preventing the drunk driving of the driver 1 as described in detail below. I do.

  FIG. 2 is a block diagram showing the configuration of the wireless key device 2. The wireless key device 2 includes a wireless unit 21, a flash memory 22, and a control unit 23.

  The wireless unit 21 has a wireless transmission / reception function, and can transmit and receive data based on the control of the control unit 23 by the function. The wireless transmission / reception function performs processing according to a predetermined wireless communication protocol such as amplification, frequency conversion, demodulation, A / D conversion, etc., on a signal received by an antenna (not shown), and outputs the result to the control circuit. In addition, a function of performing processing according to a predetermined wireless communication protocol, such as D / A conversion, modulation, frequency conversion, amplification, etc., on the data input from the control unit, and outputting the resulting signal to the antenna. Say.

  The flash memory 22 is a writable nonvolatile storage medium for recording various information. In the present embodiment, a key ID that is an identification code for distinguishing the wireless key device 2 from other wireless key devices is recorded in the flash memory 22 in advance.

  The control unit 23 is a known microcomputer having a CPU, a RAM, a ROM, and an I / O. The CPU executes the program read from the ROM, and various operations of the control unit 23 are realized by appropriately using the RAM when executing the program.

  Specifically, the control unit 23 wirelessly transmits a key signal including the key ID recorded in the flash memory 22 repeatedly (for example, periodically) using the wireless unit 21.

  FIG. 3 is a block diagram showing the configuration of the in-vehicle wireless communication device 4 and the connection relationship with the other in-vehicle devices 7 to 9. The in-vehicle wireless communication device 4 includes a wireless unit 41 having the above-described wireless transmission / reception function and a control unit 42.

  The hardware configuration of the control unit 42 is the same as that of the control unit 23. However, as will be described later, the processing content of the control unit 42 and the processing content of the control unit 23 are different. Further, the control unit 42 exchanges signals with each of the door lock ECU 7, the engine ECU 8, and the navigation device 9 as necessary for processing.

  The door lock ECU 7 is a device that switches on / off the lock of the door of the vehicle 3 based on a signal from the control unit 42.

  The engine ECU 8 is a device that starts the engine of the vehicle 3 based on the fact that an engine start switch provided in the vehicle 3 is turned on. However, the engine ECU 8 switches the prohibition / permission of starting of the engine according to the control from the control unit 42. The navigation device 9 is a device that displays a route to the current location of the vehicle 3 and a set destination on the map.

  Here, the operation of the control unit 42 will be described. When the control unit 42 receives a key signal from the wireless key device 2 via the wireless unit 41 that carries the wireless key device 2, the key ID in the received key signal is a normal one corresponding to the in-vehicle wireless communication device 4. If it is normal, the door lock ECU 7 is controlled to unlock the door, and the engine ECU 8 is controlled to allow the engine to start.

  FIG. 4 is a block diagram showing the configuration of the store side wireless communication device 6. The store-side wireless communication device 6 includes a wireless unit 61, a display unit 62, an operation unit 63, and a control unit 64.

  The wireless unit 61 has the above-described wireless transmission / reception function. The communicable range of the wireless unit 61 may be the entire customer space of the restaurant 5 or only near the entrance / exit of the restaurant 5. The display unit 62 is a display that displays a video based on the video signal output from the control circuit 64 to the user. The operation unit 63 is a device that receives an operation of a user of the store-side wireless communication device 6, that is, a store clerk of the store-side wireless communication device 6, and outputs a signal corresponding to the received operation to the control unit 64. The hardware configuration of the control unit 64 is the same as that of the control unit 23. However, as will be described later, the processing content of the control unit 64 and the processing content of the control unit 23 are different.

  Hereinafter, the operation of the wireless key device 2 and the store side wireless communication device 6 in this driver detection system, and the drunk driving prevention procedure using the wireless key device 2 and the store side wireless communication device 6 will be described with reference to the sequence diagram of FIG. explain.

  First, the driver 1 enters the restaurant 5 (step S31). Since the control unit 23 of the wireless key device 2 repeatedly transmits the key signal, the key signal is also transmitted within the communicable range of the store-side wireless communication device 6 in the restaurant 5 (step S32).

  When the control unit 64 of the store-side wireless communication device 6 detects the presence of the wireless key device 2 by receiving this key signal via the wireless unit 61 (step S33), it controls the display unit 62 to control the wireless key. An image for informing the store clerk of the restaurant 5 that the customer carrying the apparatus (that is, the customer who has driven the vehicle) has visited the store is displayed (step S34). For example, as shown in FIG. 6, this image may include a character string “Caution: Smart key detection (visited by car)”.

  When the store clerk of the restaurant 5 who has seen such a display asks the driver 1 who has entered the store whether he / she has driven the vehicle and visited the store, A warning about drinking is given (step S35).

  As described above, the key signal detection device 2 detects the key signal when the driver 1 enters the restaurant 5, and the store-side wireless communication device 6 detects that the key signal has been detected. The customer who carries the key device visits the store to the store clerk.

  In this way, the driver 1 carrying the wireless key device 2 is found in the restaurant 5 by utilizing the fact that the wireless key device 2 automatically transmits the key signal repeatedly and wirelessly. For this purpose, a store-side wireless communication device 6 that detects a key signal is installed in the restaurant.

  In this way, the driver 1 enters the drinking store 5 and further enters the communication area of the store-side wireless communication device 6, so that the store-side wireless communication device 6 carries the wireless key device 2. Display to the store clerk that the customer is visiting. This allows the store clerk to know that a new customer is likely to drive the vehicle, so that the customer will not be served alcohol, or that the customer should be careful about drunk driving. Can be urged. Therefore, this driver detection system helps to take measures to prevent the driver's drunk driving while the driver 1 is in the restaurant.

  Also, by spreading the spread of such a system, it is possible to make it mandatory for employees of restaurants to alert drivers who come to the store by vehicle, and to establish penalties for failure to do so.

(Second Embodiment)
Next, a second embodiment of the present invention will be described. The hardware configuration of the driver detection system of this embodiment is the same as that of the first embodiment. Hereinafter, the operation of the driver detection system in the present embodiment will be described with a focus on differences from the first embodiment.

  The navigation device 9 in the present embodiment identifies and identifies the current position of the vehicle 3 based on signals from a well-known geomagnetic sensor, gyroscope, vehicle speed sensor, and GPS (Global Positioning System) receiver (not shown). The current position information (for example, composed of latitude and longitude) is output to the control unit 42 repeatedly (or in response to a request signal from the control unit 42). Furthermore, the navigation device 9 determines whether or not the position of the pre-registered home parking lot (that is, the position where the vehicle 1 is frequently parked when the driver 1 is at home) matches the current position, If they match, the home signal is output to the control unit 42 together with the current position information.

  In this embodiment, the driver detection system operates according to a procedure shown in FIG. 7 instead of the procedure shown in FIG. First, the control unit 42 of the in-vehicle wireless communication device 4 determines whether or not the vehicle 3 is parked based on the presence / absence of an engine stop signal from the engine ECU 8 (step S41). The current position information received from the navigation device 9 at that time is specified as parking position information (step S42).

  Further, the control unit 42 determines whether or not the home signal is received together with the current position information from the navigation device 9, and if received, the home flag is set and included in the parking information. If not received, the non-home flag is set. Is included in the parking information (step S43).

  Then, the control part 42 transmits parking information to the wireless key apparatus 2 using the radio | wireless part 41 (step S44).

  When receiving the parking information via the wireless unit 21, the control unit 23 of the wireless key device 2 records it in the flash memory 22 (step S45). Thereafter, the driver 1 leaves the vehicle 3 together with the wireless key device 2 (step 46) and enters the restaurant 5 (step S47).

  When the wireless key device 2 transmits a key signal after the driver 1 enters the restaurant 5 (step S48), the control unit 64 of the store-side wireless communication device 6 receives the key signal (step 49). Based on this, a signal requesting parking information is transmitted to the wireless key device 2 using the wireless unit 61 (step S50).

  And the control part 23 of the wireless key apparatus 2 reads the parking information currently recorded on the flash memory 22 based on the request | requirement of parking information, and uses the wireless part 21 to the store side radio | wireless communication apparatus 6. Radio transmission is performed (step S52).

  When the controller 64 of the store-side wireless communication device 6 detects the presence of the wireless key device 2 by receiving the parking information (step S53), the vehicle is next to the restaurant 5 based on the parking information. It is determined whether or not is parked (step S53). Here, whether or not the vehicle is parked near the restaurant 5 depends on the location of the restaurant 5 recorded in advance in the ROM or the like of the control unit 64 and the parking position of the vehicle 3 included in the received parking information. Is determined based on whether or not the distance is equal to or less than a reference distance (for example, 1 kilometer).

  When it is determined that the vehicle is parked near the restaurant 5, the control unit 64 subsequently determines whether the home flag is set or the non-home flag is set in the parking information (step S <b> 54).

  If it is determined that the non-home flag is set, the display unit 62 is then caused to display a message to inform the store clerk that a customer who has a high possibility of returning home by vehicle is coming to the store (step 55).

  When the store clerk of the restaurant 5 who has seen such a display asks the driver 1 who has entered the store whether he / she has driven the vehicle and visited the store, A warning about drinking is given (step S56).

  If it is determined in step S53 that the vehicle is not parked near the restaurant 5 and if it is determined in step S54 that the home flag is set, the control unit 64 displays step S55. Do not control.

  As described above, the wireless key device 2 stores the parking information transmitted from the in-vehicle wireless communication device 4 and wirelessly transmits the parking information to the store wireless communication device 6 in the restaurant 5. And the shop side radio | wireless communication apparatus 6 has a possibility that the parking position in the parking information transmitted from the wireless key device is in the vicinity of the location where the restaurant is located as a first condition, and may return home by the vehicle. Display to the clerk that a high customer has visited the store.

  When the parking position of the vehicle 3 is in the vicinity of the restaurant 5, the driver 1 is likely to return from the restaurant 5 to the home using the vehicle 3, but the parking position of the vehicle 3 is in the vicinity of the restaurant 5. If not, the driver 1 is likely to go home from the restaurant without using the vehicle 3. Therefore, as described above, by switching the presence / absence of display according to the distance between the parking position and the restaurant, the display is performed when the possibility of drunk driving by the driver 1 is high, and the display is displayed otherwise. It is possible to execute a process that is highly effective in preventing drunk driving per display.

  The in-vehicle wireless communication device 4 further includes information on whether or not the parking position is the home parking position of the driver 1 in the parking information transmitted to the wireless key device 2. In this case, even if the parking position in the parking information transmitted from the wireless key device 2 is in the vicinity of the location where the restaurant 6 is located, the store-side wireless communication device 6 has a parking position according to the parking position information. When the driver 1 is in the home parking position, the store clerk is not notified that a customer who has a high possibility of returning home by the vehicle 3 has come to the store.

Even if the parking position is in the vicinity of the restaurant 5, if the parking position is a parking position for home, the driver 1 is very likely to walk from the restaurant 5 and return to the home. Therefore, in this case, as described above, the effect of preventing drunk driving per display is high by not displaying to the store clerk that a customer who is likely to return to the vehicle 3 has come to the store. Processing can be executed.
(Third embodiment)
Next, a third embodiment of the present invention will be described. In the present embodiment, the driver detection system includes an operation agent side device (in addition to the wireless key device 2, the vehicle-mounted wireless communication device 4, and the store wireless communication device 6 having the same hardware configuration as in the first embodiment). 10) (corresponding to an example of a release device). In FIG. 8, the structure of the driving agent side apparatus 10 is shown with a block diagram.

  As will be described later, the driving agent side device 10 is a wireless communication device used by the driving agent in order to transmit a release command described later to the wireless key device 2. The driving agent side device 10 includes a wireless unit 11, an operation unit 12, and a control unit 13.

  The wireless unit 11 has the above-described wireless transmission / reception function. The communicable range of the wireless unit 11 may be very close to the driving agent side device 10 (for example, within 20 centimeters). The operation unit 12 is a device that receives the operation of the user of the driving agent side device 10, that is, the operation of the driving agent and outputs a signal corresponding to the received operation to the control unit 13. The hardware configuration of the control unit 13 is the same as that of the control unit 23. However, as will be described later, the processing content of the control unit 13 and the processing content of the control unit 23 are different.

  Hereinafter, the operation of the wireless key device 2, the store side wireless communication device 6, and the driving agent side device 10 in the driver detection system of the present embodiment, and the wireless key device 2, the store side wireless communication device 6, and the driving agent side The drunk driving prevention procedure using the apparatus 10 will be described with reference to the sequence diagram of FIG.

  First, the driver 1 enters the restaurant 5 (step S81). The wireless key device 2 transmits a key signal in the restaurant 5 (step S82), the store-side wireless communication device 6 receives the key signal, detects the wireless key device 2 (step S83), and based on the detection. The store-side wireless communication device 6 notifies the store of customers who have a high possibility of returning home by vehicle (step S84), and the store clerk who receives the notification gives the driver 1 a warning about drinking (step S85). The operation and procedure are the same as steps S31 to S35 of the first embodiment.

  Then, it is assumed that the driver 1 receiving such a warning declares to the store clerk that he / she will not drive the vehicle 3 and return home (step S86).

  In that case, when the driver 1 leaves the restaurant 5 and notifies the store clerk of the intention of leaving the store (step S87), the store clerk transmits a time limit command to the wireless key device 2. A limited time limit operation is performed on the operation unit 63 of the store-side wireless communication device 6 (step S88).

  Based on this period limitation operation, the control unit 64 transmits a predetermined period limitation command to the wireless key device 2 using the wireless unit 61 (step S89). The period restriction command is a signal that designates a function restriction period (corresponding to an example of period designation information) of a wireless key device that is a transmission target of the command.

  As a format for designating a function restriction period (hereinafter referred to as a restriction period), a form indicating a period from the present "X period from now" or a deadline time "from now to Y: Z pm" may be used. It may be in the form shown. Note that the length of the function restriction period may be a fixed value determined in advance, or may be a value input by the store clerk using the operation unit 63.

  In addition, when there are a plurality of other wireless key devices having the same function as the wireless key device 2 in the restaurant 5, the following (1), One of the methods as in (2) is used.

  (1) The communicable range of the wireless unit 61 is limited only to the vicinity of the entrance / exit of the restaurant 5 and the clerk confirms that there is no customer other than the driver 1 within the range, and then the operation unit 63 is operated to transmit a period limit command.

  (2) The store-side wireless communication device 6 is provided with another wireless unit (hereinafter referred to as a wireless device B) having the same function as the wireless unit 61, and the wireless device B is installed in a space that only a store clerk can enter. The communicable range of the wireless device B is limited in advance to the very vicinity of the wireless device B (for example, within 20 centimeters). Then, the store clerk temporarily holds the wireless key device 2 of the driver 1 that has made the declaration as in step S86, and when the driver 1 leaves the store, the store clerk arranges only the wireless key device 2 within the communicable range of the wireless device B. Then, a predetermined period restriction operation is performed on the operation unit 63, and the control unit 64 transmits a period restriction command using only the wireless unit B based on the operation.

  The control unit 23 of the wireless key device 2 that has received the period restriction command from the store-side wireless communication device 6 executes a period restriction process (step S90). Specifically, the limit period in the period limit command is recorded in the flash memory 22, and it is sequentially determined whether or not the limit period has elapsed. Until the limit period elapses, information on the limit period recorded in the flash memory 22 is included in the key signal to be transmitted.

  When the driver 1 leaves the store in such a state (step S92) and returns to the vehicle 3, the vehicle-mounted wireless communication device 4 of the vehicle 3 receives the key signal from the wireless key device 2. The control unit 42 of the present embodiment executes a program 100 as shown in FIG. 10 and performs processing based on the key signal.

  That is, the control unit 42 waits until a key signal is received via the wireless unit 41 (step 105), and subsequently receives the key signal to control the door lock ECU 7 to release the door lock (step 110). Then, the restriction period included in the received key signal is compared with the current time, and it is determined whether or not the current time is within the restriction period (step 115).

  If it is not within the limit period, the engine ECU 8 is controlled to allow the engine to start (step 120). If it is within the limit period, the engine ECU 8 is controlled to prohibit the engine from starting (step 125). Therefore, when the wireless key device 2 transmits a key signal including the restriction period and the current time is within the restriction period, the in-vehicle wireless communication device 4 prohibits the operation of the engine. In this case, the vehicle 3 cannot be operated using the wireless key device 2. However, another person (for example, the family of the driver 1) can drive the vehicle 3 using the spare key of the vehicle 3.

  Thereafter, when the limit period has elapsed, the control unit 23 of the wireless key device 2 detects that fact (step S94) and releases the period limit (step S95). That is, the limited period in the flash memory 22 is deleted. Therefore, after the period restriction is released, the restriction period is not included in the key signal transmitted from the wireless key device 2. As a result, the in-vehicle wireless communication device 4 can start the engine when receiving the key signal.

  Note that it may be appropriate to cancel the period restriction of the wireless key device 2 even before the restriction period elapses. An example is a case where the driving agent is allowed to drive the vehicle 3. As a function for releasing the period restriction before the restriction period elapses, the control unit 23 of the wireless key device 2 has received a predetermined period restriction release command via the wireless part 21 even before the restriction period has elapsed. Based on this, the period restriction is canceled as in step S95.

  This period restriction command is transmitted by the driving agent side device 10. Specifically, when the driving agent places the wireless key device 2 within the communicable range of the wireless unit 11 and performs a predetermined release operation on the operation unit 12, the control unit 13 performs the operation based on the operation. Then, a period restriction release command is transmitted using the wireless unit 11 (step S96). Upon receiving this period restriction release command, the wireless key device 2 releases the period restriction as described above (step S97).

  As described above, in addition to the same operation as that of the first embodiment, the store-side wireless communication device 6 is based on the fact that the store-side wireless communication device 6 has received a limited time limit operation by the store clerk. By transmitting a time limit command to 2, the function that allows the vehicle-mounted wireless communication device 4 to start the engine by transmitting the key signal of the wireless key device 2 is invalidated during the time limit.

  Specifically, the wireless key device 2 stores the restriction period in the received period restriction command, and includes the restriction period in the transmitted key signal. The in-vehicle wireless communication device 4 that has received this key signal compares the current time with the restriction period, and prohibits engine start if the current time is within the period, and permits engine start if the current time is outside the period.

  In this way, the store clerk can prohibit the driver from driving the vehicle for a certain period using the key signal detection device.

  Further, the door lock ECU 7 transmits a release command for canceling the function restriction of the wireless key device to the wireless key device based on the reception of the operator's predetermined operation. By transmitting this key signal, the in-vehicle wireless device can validate the function of allowing the engine to start.

  Therefore, when the driver 1 arranges a driving agent and drives his / her vehicle, the driving agent uses the driving agent side device 10 as described above to use the wireless key device of the driver 1. 2 can send a release command.

  In each of the above embodiments, the combination of the wireless key device 2 and the vehicle-mounted wireless communication device 4 functions as an example of a door lock control system and also functions as an example of an engine control system.

(Other embodiments)
As mentioned above, although embodiment of this invention was described, the scope of the present invention is not limited only to the said embodiment, The various form which can implement | achieve the function of each invention specific matter of this invention is included. It is.

  For example, in the third embodiment, as a method of invalidating the engine start permission function of the in-vehicle wireless communication device 4 based on the period restriction command, the wireless key device 2 uses the restriction period information indicated in the period restriction instruction. A method is employed in which the vehicle-mounted wireless communication device 4 transmits the result to the vehicle-mounted wireless communication device 4, and the vehicle-mounted wireless communication device 4 compares the restriction period with the current time. However, instead of this method, any one of the following methods (A) to (C) may be used.

  (A) Based on the fact that the wireless key device 2 has received the period restriction command from the store-side wireless communication device 6, the wireless key apparatus 2 stores the restriction period and sequentially compares the restriction period and the current time. When the wireless key device 2 is currently within the restriction period, the key signal transmitted to the in-vehicle wireless communication device 4 includes information during the period indicating that the restriction period is in effect. And when it is outside the said restriction | limiting period, the key signal transmitted to the vehicle-mounted side radio | wireless communication apparatus 4 does not include information during the said period. The in-vehicle wireless communication device 4 prohibits starting of the engine based on the fact that the received key signal includes information during the period and does not include information during the period. Allow the engine to start.

  (B) Based on the fact that the wireless key device 2 has received the period restriction command from the store-side wireless communication device 6, the wireless key apparatus 2 stores the restriction period and sequentially compares the restriction period and the current time. The wireless key device 2 prohibits the wireless unit 21 from transmitting a key signal during the restriction period, and repeatedly transmits the key signal to the wireless part 21 outside the restriction period.

  (C) If the received key signal includes an unlock command, the in-vehicle wireless communication device 4 controls the door lock ECU 7 to unlock the door of the vehicle 3. The in-vehicle wireless communication device 4 controls the engine ECU 8 to allow engine start if the received key signal includes the engine start permission command, and if the engine start permission command is not included, The ECU 8 is controlled to prohibit engine start. The wireless key device 2 stores the restriction period based on the receipt of the period restriction command from the store-side wireless communication device 6, and sequentially compares the restriction period and the current time. The wireless key device 2 transmits a key signal including an unlock command and not including an engine start permission command during the restriction period, and includes both the unlock command and the engine start permission command outside the restriction device. Send a key signal.

  Whichever of the above methods (A) to (C) is adopted, the engine can be started using the wireless key device 2 within the limited period in the period limiting command received by the wireless key device 2. become unable. In the case of (B), the key signal itself corresponds to a key signal including an engine start permission command.

  In any of the methods (A) to (C) described above, the wireless key device 2 deletes the stored limit period based on the release command from the driving agent side device 10, thereby deleting the period. The restriction can be lifted. Due to the deletion of the restriction period, in the case of (A), no information is included in the key signal during the period, the key signal is transmitted in the case of (B), and in the case of (C). An engine start permission command is included in the key signal.

  In the third embodiment, the procedure of steps S81 to S85 may be replaced with the procedure of steps S41 to S56 in FIG.

  In the second embodiment, the wireless key device 2 may include parking information in the key signal transmitted in step S48. In this case, steps S50, S51, and S52 are not necessary.

  In the above-described embodiment, each function realized by the control circuits 12, 23, 42, and 64 executing a program is hardware having those functions (for example, a circuit configuration can be programmed). (FPGA) may be used.

It is a conceptual diagram which shows the structure of the driver detection system which concerns on embodiment of this invention. 3 is a block diagram showing a configuration of a wireless key device 2. FIG. It is a block diagram which shows the connection relationship with the structure of the vehicle-mounted radio | wireless communication apparatus 4, and the other vehicle-mounted apparatuses 7-9. 2 is a block diagram illustrating a configuration of a store-side wireless communication device 5. FIG. It is a sequence diagram which shows the action | operation of the driver detection system in 1st Embodiment. It is a figure which shows an example of the display which notifies the visitor of the customer who possesses the wireless key apparatus 2. It is a sequence diagram which shows the action | operation of the driver detection system in 2nd Embodiment. 2 is a block diagram showing a configuration of a driving agent side device 10. FIG. It is a sequence diagram which shows the action | operation of the driver detection system in 3rd Embodiment. It is a flowchart of the program 100 which the control part 42 of the vehicle-mounted radio | wireless communication apparatus 4 in 3rd Embodiment performs.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Driver, 2 ... Wireless key apparatus, 3 ... Vehicle, 4 ... Car-mounted side wireless communication machine, 5 ... Restaurant,
6 ... store side wireless communication device, 7 ... door lock ECU, 8 ... engine ECU,
9 ... Navigation device, 10 ... Driving agent side device,
11, 21, 41, 61 ... wireless unit, 12, 63 ... operation unit,
13, 23, 42, 64 ... control unit, 21 ... wireless unit, 22 ... flash memory,
62 ... display unit, 70 ... display screen, 100 ... program.

Claims (13)

A driver detection system comprising a wireless key device (2) that automatically and wirelessly transmits a key signal for releasing a door lock of a vehicle, and a key signal detection device (6) installed in a restaurant. ,
The key signal detection device includes detection means (S33, S49, S83) for detecting the key signal when a driver of the vehicle carrying the wireless key device enters the restaurant.
Display means (S34, S55, S84) for displaying to the store clerk that the customer carrying the wireless key device has visited based on the detection of the key signal by the detection means. Driver detection system characterized by An in-vehicle wireless communication device (4) that is mounted on the vehicle and releases the door lock of the vehicle based on receiving the key signal transmitted by the wireless key device,
The in-vehicle wireless communication device transmits parking information including information on a parking position of the vehicle to the wireless key device,
The wireless key device stores the parking information transmitted from the in-vehicle wireless communication device and wirelessly transmits the parking information to the key signal detection device in the restaurant.
The display means of the key signal detection device may return home in a vehicle based on the fact that the parking position in the parking information transmitted from the wireless key device is in the vicinity of the location of the restaurant. The driver detection system according to claim 1, wherein the store clerk displays an indication that a customer with a high price has visited the store. The in-vehicle wireless communication device further includes information on whether or not the parking position is a parking position for home of the driver in the parking information transmitted to the wireless key device,
Even if the parking position in the parking information transmitted from the wireless key device is in the vicinity of the location of the restaurant, the display means of the key signal detection device is based on the parking position information. 3. The driver detection system according to claim 2, wherein when the parking position is a parking position for the driver's home, the store clerk does not display that the customer who has a high possibility of returning home by car is coming to the store. An in-vehicle wireless communication device (4) mounted on the vehicle and releasing the door lock of the vehicle and permitting the start of the engine of the vehicle based on reception of the key signal transmitted from the wireless key device. With
The key signal detection device transmits a period restriction command for specifying a function restriction period of the wireless key device to the wireless key device based on receiving a predetermined operation of the store clerk. 2. The driver detection system according to claim 1, wherein the function of allowing the vehicle-mounted wireless device to start the engine is disabled during the period by transmitting the key signal of the wireless key device. Transmission of the key signal of the wireless key device by transmitting a release command for canceling the function restriction of the wireless key device to the wireless key device based on reception of a predetermined operation by an operator The driver detection system according to claim 4, further comprising: a release device (7) that activates a function of allowing the vehicle-mounted wireless device to allow the engine to start. A key signal detector installed in a restaurant,
Detection means (S33) for detecting the key signal when a driver of the vehicle carrying a wireless key device that automatically and wirelessly transmits a key signal for releasing the door lock of the vehicle enters the restaurant. , S49, S83),
Display means (S34, S55, S84) for displaying to the store clerk that the customer carrying the wireless key device has visited based on the detection of the key signal by the detection means. Key signal detection device. A wireless key device (2) for automatically and wirelessly transmitting a key signal for releasing a vehicle door lock;
A vehicle-mounted wireless communication device (4) that is mounted on the vehicle and releases the door lock of the vehicle based on reception of the key signal transmitted by the wireless key device. There,
The in-vehicle wireless communication device transmits parking information including information on a parking position of the vehicle to the wireless key device,
The wireless key device stores the parking information transmitted from the in-vehicle wireless communication device,
A key signal detection device installed in a restaurant, which receives the parking information, and returns home by a vehicle based on the fact that the received parking position indicated by the parking information is in the vicinity of the location of the restaurant A door lock control system, wherein the wireless key device wirelessly transmits the stored parking information to a key signal detection device that displays to the store clerk that a customer who is likely to visit has come to the store. . A wireless key device (2) for automatically and repeatedly transmitting a key signal for releasing the door lock of the vehicle and allowing the engine of the vehicle to start.
An in-vehicle wireless communication device (4) mounted on the vehicle and releasing the door lock of the vehicle and permitting the start of the engine based on receiving the key signal transmitted by the wireless key device; A door lock control system comprising:
The wireless key device stores the function restriction period based on the reception of a period restriction command that specifies a function restriction period of the wireless key device, and transmits the key restriction signal to the in-vehicle wireless communication device Includes period specification information indicating the period,
The in-vehicle wireless communication device prohibits starting of the engine if it is currently in the period indicated by the period designation information included in the received key signal, and if the present is outside the period A door lock control system that permits starting of the engine. A release device (7) for transmitting a release command for releasing the function restriction of the wireless key device to the wireless key device based on receiving a predetermined operation of an operator,
9. The wireless key device ends the inclusion of the period designation information in the key signal transmitted to the in-vehicle wireless communication device based on the reception of the release command. Door lock control system. A wireless key device (2) for automatically and repeatedly transmitting a key signal for releasing the door lock of the vehicle and permitting the start of the engine of the vehicle;
An in-vehicle wireless communication device (4) mounted on the vehicle and releasing the door lock of the vehicle and permitting the start of the engine based on receiving the key signal transmitted by the wireless key device; A door lock control system comprising:
The wireless key device stores the function restriction period based on the reception of the period restriction command for designating the function restriction period of the wireless key device. During the period, the in-vehicle wireless communication device The key signal transmitted to the mobile station includes information during the period indicating that it is in the period, and outside the period, the key signal transmitted to the in-vehicle wireless communication device is not included in the period signal. And
The vehicle-mounted wireless communication device prohibits starting of the engine based on the fact that the received key signal includes information during the period. A release device (7) for transmitting a release command for releasing the function restriction of the wireless key device to the wireless key device based on receiving a predetermined operation of an operator,
The wireless key device ends the inclusion of the information during the period in the key signal transmitted to the in-vehicle wireless communication device based on the reception of the release command. Door lock control system. A wireless key device (2) for automatically and repeatedly transmitting a key signal including an engine start permission command for permitting the start of the engine of the vehicle;
An in-vehicle wireless communication device (4) that is mounted on the vehicle and permits the start of the engine when receiving the engine start permission command transmitted by the wireless key device;
The wireless key device stores the function restriction period based on the reception of the period restriction command for designating the function restriction period of the wireless key device. During the period, the in-vehicle wireless communication device An engine control system configured to stop transmitting the engine start permission command to the engine. A release device (7) for transmitting a release command for releasing the function restriction of the wireless key device to the wireless key device based on receiving a predetermined operation of an operator,
The engine control system according to claim 12, wherein the wireless key device cancels transmission stop of the engine start permission command based on reception of the cancel command.

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