JP2006127096A - Driving supporting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a driving supporting device for preventing a user from feeling any troublesomeness, and for contributing to safe driving. <P>SOLUTION: In the operation supporting device A for announcing warning information to the user of a vehicle, an announcing means 5 is provided with a display unit 5a for visually announcing the warning information to the user and a speaker 5b for audibly announcing it. A control means 4 is provided with a suppression announcement processing function for deciding whether or not the vehicle is in a safe traveling status, and for permitting an announcing operation by an announcing means 5 only when it is decided that the vehicle is not in a safe traveling status, and that the vehicle is present in either of attention areas S1 and S2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a driving support device that issues a warning when a vehicle enters a caution area to call attention and urges the user of the vehicle to support safe driving.

Even if it does not lead to an accident with respect to road traffic, it may be dangerous, such as “hidden” or “had”. In addition, the driving support device for notifying the vehicle driver that the vehicle has entered the attention area has been attracting attention. This driving support device is disclosed in Patent Document 1.
JP 2003-123185 A

  The driving support device includes a receiving unit that receives danger information including electronic information indicating a place where a dangerous state occurs and a type of the danger, a storage unit that stores the received dangerous information, and a request from the communication unit. According to the transmission means for distributing the danger information stored in the storage means, and based on the received danger information, the number of occurrences of the dangerous state is totaled to identify the dangerous area, and the identified Control means comprising a microcomputer for storing information relating to the dangerous area in the storage means, and notification means for confirming the danger information visually and audibly, and the host vehicle enters or approaches the caution (danger) area. In such a case, the notification means is operated to call attention to the user.

  When the vehicle enters the caution area, the driving support device emits a warning sound (auditory information) by a buzzer or a warning display (for example, “steep curve”) regardless of the intention of the user of the vehicle. Warning information such as visual information, “attention”. However, depending on the user, even if the vehicle has entered the caution area, if the warning notification is given when it can be determined that the vehicle is driving safely, the user may feel annoyed and drive As a support device, there is still room for improvement.

  The present invention has been made in view of this problem, and it is an object of the present invention to provide a driving support device that does not make the user feel bothersome and can contribute to safe driving.

  According to the present invention, the driving support device according to the first aspect includes an area where a state requiring attention and caution area data having at least a type of the caution, and vehicle position detection means for detecting the position of the vehicle. A driving support device for detecting that the vehicle has entered the caution area based on the vehicle position data and notifying the user of the vehicle of the warning information, wherein the warning information is visually or When it is determined that the vehicle is in a safe driving state and whether the vehicle is in a safe driving state and the vehicle is in the caution area. And a control unit having a suppression notification processing function that permits a notification operation by the notification unit.

  According to a second aspect of the present invention, there is provided the driving support apparatus according to the first aspect, wherein the control means includes at least the traveling information of the vehicle as a determination condition as to whether or not the vehicle is in the safe traveling state. It is characterized by comprising.

  According to a third aspect of the present invention, there is provided a driving support apparatus according to the first aspect, wherein the driving support apparatus according to the first aspect is provided with operating means for performing a predetermined operation, and the control means responds to a switching instruction from the operating means. Thus, when a vehicle enters the caution area, it is possible to immediately switch to the normal notification processing function for executing the notification processing by the notification means.

  According to the present invention, the vehicle is based on caution area data having at least an area where a state requiring attention and the type of caution is present, and own vehicle position data from own vehicle position detecting means for detecting the position of the vehicle. A driving support device that detects intrusion into a caution area and notifies warning information to the user of the vehicle, can suppress the user from feeling annoyed, and the user performs safe driving It becomes possible.

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

  The overall configuration of the driving support apparatus will be described with reference to FIG. The driving support device A mainly includes a communication unit 1, a GPS receiver (own vehicle position detection unit) 2, an operation unit 3, a control unit 4, and a notification unit 5. On the other hand, the server 6 is provided as a system for delivering attention area data, which will be described in detail later, to the driving support device A. This server 6 is accessed by residents and drivers (vehicle users) from a personal computer (PC) 7, a mobile phone, a car navigation system with communication function, etc., and attention area data consisting of information is collected. The caution area data can be transmitted to the driving support device A via the mobile phone 8. The attention area data relates to an area (map data or latitude / longitude data) where a state requiring attention is generated, and a type of attention stored in a state associated with the area. It is stored in a storage medium such as a hard disk. The caution area data may be used when driving a vehicle such as an intersection where collision accidents occur frequently, intersections where frequent accidents occur when turning left, locations where there are sharp curves, areas where road surfaces may freeze, etc. This indicates an area where the (driver) needs to call attention.

  The communication means 1 is a wireless communication means such as Bluetooth, and downloads the caution area data from the server 6 to the control means 4 via the mobile phone 8.

  The GPS receiving unit 2 includes a GPS receiving antenna, and supplies the position information of the vehicle from the artificial satellite received by the receiving antenna to the control means 4.

  The operation means 3 is for selecting and determining the alert conditions for warning information, which will be described later, and the alert contents in the alert means 5, and comprises a remote operation unit such as an operation switch or a wireless remote controller.

  The control means 4 is mainly composed of a microcomputer having a CPU, a ROM, a RAM, an I / O (input / output) interface, and the like. The control means 4 performs a matching process on the position data received by the GPS receiver 2 and the attention area data downloaded via the mobile phone 8, and notifies the result of this matching process (to be described in detail later). 5 is notified. The control unit 4 has a storage medium such as a flash memory for storing the downloaded caution area data, and can process and store the caution area data.

  The notification unit 5 includes a display 5a that is a visual information confirmation unit made of, for example, a matrix-type liquid crystal display panel or an organic EL panel, and a speaker 5b that is an auditory information confirmation unit that notifies a warning content by voice. The display unit 5a and the speaker 5b operate according to an instruction signal from the control unit 4.

  The driving support device A is configured by the above-described units. Next, the notification process in the control means 4 will be described in detail with reference to FIGS.

  FIG. 2 shows a display form of the display 5 a during normal driving of the vehicle when the control means 4 receives the attention area data regarding the attention area from the server 6 via the mobile phone device 8. The display 5a has a first display area 51 for displaying various vehicle information such as the total distance of the vehicle, the remaining fuel, or the outside temperature, and a display for prompting the user of the vehicle according to the reception status of the attention area data. And a second display area 52. Various vehicle information displayed in the first display area 51 is input to the control means 4 from various units such as an engine control unit (ECU) and an air control unit via a serial transfer path. 4 can display various vehicle information by executing a predetermined display process.

  Further, the display 5a has a display color variable region 53 for changing the display color to “blue” when the vehicle is traveling normally, and to “red” when the vehicle enters the caution area. The display color variable area 53 includes information based on the attention area data, that is, as shown in FIGS. 2, 4 and 5, such as a normal operation state, an intersection indicating a lot of rear-end collisions, a place where frequent occurrences of a right turn occur, and the like. This is a warning display unit that changes the color of the background 53b of the display form 53a to be shown from “blue” to “red” to alert the user.

  The control means 4 inputs caution area data from the server 6 via the mobile phone 8. Based on the input caution area data and the position data of the own vehicle obtained via the GPS receiver 2, the control means 4 determines that the position of the own vehicle is the caution area (in FIG. , Second caution area S1, S2), and whether or not the host vehicle is in a predetermined safe driving state. In determining whether or not the position of the host vehicle is in the caution area, it is obtained by matching processing between the caution area data and the position data. In determining whether or not the host vehicle is in a safe driving state, vehicle speed information as vehicle driving information is input, and the vehicle speed is determined in advance, for example, 30 km / h or less, or less than 30 km / h. If it is determined, it is determined that the vehicle is in a safe driving state. If it is determined that the vehicle is faster than 30 km / h or 30 km / h or more, it is determined that the vehicle is in an unsafe driving state.

  Therefore, the control means 4 displays the display color variable region 53 only when it is determined that the position of the own vehicle is in the first and second caution areas S1 and S2 and is in the non-safe driving state. A suppression notification processing function for executing a process of visually changing the background 53b of the vehicle and visually alerting the user of the vehicle, and executing a process of notifying the warning content audibly by the sound of the speaker 5b. Have.

  Specifically, when the caution area data is the first caution area S1 that is an intersection indicating the location where the collision occurs frequently, the control means 4 is in the first caution area S1 and as described above, the vehicle travels unsafely. If it is determined that the current state is the state, the background 53b in the display color variable region 53 is set to “red”, and the speaker 5b executes a process of issuing an alarm “This is an intersection. Be careful of collision” (see FIG. 4).

  In addition, when the caution area data is the second caution area S2 in which the accident area frequently occurs when the caution area data is turned right, the control means 4 is in the second caution area S2 and as described above, the vehicle travels unsafely. If it is determined that the current state is the state, the background 53b in the display color variable region 53 is set to “red” color, and the speaker 5b executes a process of issuing an alarm “turn right. Be careful of entrainment” (see FIG. 5). .

  On the other hand, in response to a predetermined input from the operation means 3 (switching instruction), the control means 4 immediately executes a notification process by the notification means 5 when the vehicle enters each caution area S1, S2. Specifically, the control means 4 changes the color of the background 53b in the display color variable region 53 from “blue” to “red” regardless of the vehicle speed information when the vehicle enters each caution area S1, S2. It has a normal notification processing function for executing a process of changing to a color (color change). That is, the control unit 4 executes a process of switching from the suppression notification processing function to the normal notification processing function in response to a switching instruction from the operation unit 3.

  Such a driving assistance device A is configured such that the vehicle enters the caution area based on the caution area data having at least the area where the state requiring attention and the type of caution and the own vehicle position data by the GPS receiver 2. The driving support device that detects that the vehicle is approaching and notifies the user of the vehicle of the warning information, the display 5a that visually notifies the user of the warning information, and the speaker that audibly notifies the warning information It is determined whether the vehicle traveling state is a safe traveling state and the notification means 5 comprising 5b, and it is determined that the vehicle is not in the safe traveling state and the vehicle is in each of the caution areas S1 and S2. Control means 4 having a suppression notification processing function that permits the notification operation by the notification means 5 only in the case, and the user can select each caution area S1, S2 When the vehicle is being driven while it is recognized in advance and the vehicle speed is limited to within a predetermined speed, the color of the background 53b in the display color variable region 53 is kept "blue" and the speaker 5b Since the notification process is not performed, it is possible to suppress annoyance that an alarm is issued even though the vehicle is traveling safely. Further, when it is determined that the vehicle is not in a safe driving state, it is possible to promptly notify the user, so that the user can perform safe driving.

  Further, since the control means 4 includes at least vehicle speed information (travel information) of the vehicle in the determination condition as to whether or not the vehicle is in the safe travel state, it contributes to safe travel in each caution area S1, S2. It becomes possible to do.

  Further, an operation means 3 for performing a predetermined operation is provided, and the control means 4 is notified by the notification means 5 immediately when the vehicle enters each caution area S1, S2 in response to a switching instruction from the operation means 3. Since it is possible to switch to the normal notification processing function for executing the processing (color change of the color of the background 53b in the display color variable region 53 and notification processing by the speaker 5b), it is possible to improve the user's convenience and to drive The product value as the support device A can be improved.

  In the embodiment of the present invention, the vehicle speed, which is the travel information, is taken into the determination condition as to whether or not the vehicle is in a safe travel state. However, as other travel information, the engine speed, the engine The atmospheric pressure, the steering angle of the steering wheel, and the like may be used, and the traveling information of the present invention may be anything that can determine the safe traveling state. Further, it is possible to set detailed notification conditions by combining a plurality of pieces of traveling information as the determination conditions. Further, in addition to the traveling information, the outside temperature, the ON / OFF condition of the wiper operation, or external information such as the inter-vehicle distance and the vehicle speed information of other vehicles using inter-vehicle communication, is further detailed. It is possible to perform a proper notification condition setting.

  In the embodiment of the present invention, the warning content is visually changed in the background 53b of the display color variable region 53. However, the warning content may be audibly recognizable. 1, the number of times the buzzer is sounded in the second caution area S1, S2, or the regular light emission pattern of the light emitting area (for example, one lighting of the light emitting area is normal driving of the vehicle, 2 The flashing may be performed when the vehicle enters the first and second attention areas S1 and S2. Further, the frequency of the buzzer sound may be changed step by step (sound change) to notify about a normal time or a warning area entry.

It is a figure showing the whole driving support device composition in an embodiment of the present invention. It is a figure explaining the alerting | reporting means of a driving assistance device same as the above. It is a figure for demonstrating the alerting | reporting process of a driving assistance device same as the above. It is a figure explaining the alerting | reporting means at the time of the alerting | reporting process of a driving assistance device same as the above. It is a figure explaining the alerting | reporting means at the time of the alerting | reporting process of a driving assistance device same as the above.

Explanation of symbols

A driving support device 1 communication means 2 GPS receiver (own vehicle position detection means)
3 Operation means 4 Control means 5 Notification means 5a Display 5b Speaker 6 Server 7 Personal computer 8 Mobile phone S1 First attention area S2 Second attention area

Claims (3)

The vehicle enters the caution area based on the caution area data having at least the area where the state requiring attention and the type of caution is present, and the own vehicle position data from the own vehicle position detecting means for detecting the position of the vehicle. A driving support device that detects the warning and notifies the vehicle user of warning information,
Informing means for informing the user of the warning information visually or at least one of hearing;
Suppression notification processing function that determines whether or not the vehicle is in a safe driving state and permits a notification operation by the notification means only when it is determined that the vehicle is not in a safe driving state and the vehicle is in the caution area. Control means comprising:
A driving support apparatus comprising:   The driving support apparatus according to claim 1, wherein the control unit includes at least the traveling information of the vehicle in the determination condition as to whether or not the vehicle is in the safe traveling state.   A normal notification is provided in which an operation unit for performing a predetermined operation is provided, and the control unit executes a notification process by the notification unit immediately when a vehicle enters the caution area in response to a switching instruction from the operation unit. The driving support device according to claim 1, wherein the driving support device can be switched to a processing function.

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