JP7087274B2 - Vehicle warning system and notification restriction method - Google Patents

Description

The present invention relates to a vehicle warning system.

Conventionally, in order to improve the running safety of the vehicle, an obstacle detection device that detects obstacles existing around the vehicle by transmitting and receiving laser light, ultrasonic waves, millimeter waves, etc. is provided, and obstacles and others are provided. There is a vehicle warning system that issues an alarm to notify the presence of an approaching object such as a vehicle.

However, the driver is paying close attention to the surroundings and is fully aware of the existence of obstacles, for example, approaching from the side such as waiting for a traffic light, waiting for a railroad crossing, or stopping when turning right. In a situation where an alarm for an incoming vehicle is not required, there is a problem that when the vehicle alarm system issues an alarm notifying the presence of an approaching object, the driver feels annoyed.

Patent Document 1 stores an OFF operation point in which a stop switch is operated by a user in a driving support device that performs side monitoring and notifies the existence of an approaching target, and then a vehicle is an OFF operation point. It is disclosed that when the patient reaches, the side monitoring is stopped and the user is notified that the monitoring has been stopped.

Japanese Unexamined Patent Publication No. 2012-216202

However, as described in Patent Document 1, it is not preferable for the driver to perform a stop operation or a start operation of the obstacle monitoring function during operation.

Therefore, an object of the present invention is to provide a vehicle warning system capable of limiting the notification of obstacles without the driver operating the obstacle monitoring function while driving.

In order to solve the above problems, the present invention has a vehicle alarm having an obstacle detection unit that detects obstacles around the own vehicle and a notification unit that notifies that the obstacle detection unit has detected an obstacle. In the system, the notification unit is derived from a position detection unit that detects the position of the own vehicle, a recording unit that records a notification area in which notification is performed by the notification unit, and the notification area recorded in the recording unit. Whether or not the position of the own vehicle detected by the position detection unit is within the notification restriction area when the setting unit for setting the notification restriction area for limiting the notification by the position detection unit and the obstacle detection unit detects an obstacle. When the determination unit determines that the position of the own vehicle is within the notification restriction area, the notification unit prohibits the notification and detects that the obstacle detection unit is moving. When the notification is made, the control unit for canceling the prohibition of the notification by the notification unit in the notification restriction area is provided.

As described above, according to the present invention, it is possible to limit the notification of obstacles without the driver operating the obstacle monitoring function during operation.

FIG. 1 is a block diagram of a vehicle warning system according to an embodiment of the present invention. FIG. 2 is a flowchart showing a procedure of obstacle notification processing of the vehicle warning system according to the embodiment of the present invention. FIG. 3 is a block diagram in the case where the selection unit of the vehicle warning system according to the embodiment of the present invention is provided in the external device. FIG. 4 is a block diagram in the case where an external device is provided with a selection unit and a setting unit of the vehicle warning system according to the embodiment of the present invention. FIG. 5 is a block diagram in the case where the selection unit and the setting unit of the vehicle warning system according to the embodiment of the present invention are provided in the external device and the recording unit is provided in the server device. FIG. 6 is a block diagram in the case where the selection unit of the vehicle warning system according to the embodiment of the present invention is provided in the external device and the recording unit and the setting unit are provided in the server device.

The vehicle warning system according to the embodiment of the present invention has an obstacle detection unit that detects obstacles around the own vehicle and a notification unit that notifies that the obstacle detection unit has detected an obstacle. It is a vehicle warning system that has a position detection unit that detects the position of the own vehicle, a recording unit that records the notification area where the notification unit has performed notification, and a notification unit from the notification area recorded in the recording unit. When the setting unit for setting the notification restriction area and the obstacle detection unit detect an obstacle, it is determined whether or not the position of the own vehicle detected by the position detection unit is within the notification restriction area. The determination unit is configured to include a determination unit and a control unit that prohibits notification by the notification unit when the determination unit determines that the position of the own vehicle is within the notification restriction area. As a result, it is possible to limit the notification of obstacles without the driver operating the obstacle monitoring function during operation.

Hereinafter, the vehicle warning system according to the embodiment of the present invention will be described in detail with reference to the drawings.

In FIG. 1, a vehicle 1 equipped with a vehicle warning system according to an embodiment of the present invention includes an obstacle detection unit 2, a position detection unit 3, a notification unit 4, a selection unit 5, and a control unit 6. Consists of including.

The obstacle detection unit 2 transmits and receives laser light, ultrasonic waves, millimeter waves, and the like to detect obstacles and the like existing around the vehicle 1. It should be noted that the image captured by the camera may be image-processed to detect obstacles and the like.

The position detection unit 3 detects the position information of the own vehicle 1 from GPS (Global Positioning System) information or the like.

The notification unit 4 is composed of, for example, a monitor device, a speaker, a lamp, a vibrator, and the like, and notifies the driver that an obstacle has been detected through sight, hearing, touch, and the like.

The selection unit 5 is composed of, for example, a navigation device, a smartphone, or the like, and displays a specific area input from the control unit 6 on a map displayed on a display or a touch panel, or a position of an area designated on the map. Information is output to the control unit 6.

The control unit 6 is composed of a computer unit including a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an input port, and an output port. ..

The ROM of the computer unit stores various control constants, various maps, and the like, as well as a program for causing the computer unit to function as the control unit 6. That is, when the CPU executes the program stored in the ROM, the computer unit functions as the control unit 6.

Various sensors such as the obstacle detection unit 2, the position detection unit 3, and the selection unit 5 described above are connected to the input port of the control unit 6.

On the other hand, various control targets including the above-mentioned notification unit 4 and the selection unit 5 are connected to the output port of the control unit 6.

When the obstacle detection unit 2 detects an obstacle, the control unit 6 notifies the driver by the notification unit 4.

When the obstacle detection unit 2 detects an obstacle, the control unit 6 is a notification unit if the position of the own vehicle 1 detected by the position detection unit 3 is within the notification restriction area where the obstacle notification is invalidated. Notification by 4 is prohibited. The notification restriction area is preset by the user from the selection unit 5.

The control unit 6 has a detection area where the obstacle detection unit 2 has detected an obstacle, a notification area which is a detection area where the notification unit 4 has notified the driver, and a notification set by the user. The restricted area etc. are recorded.

The control unit 6 causes the selection unit 5 to display a map, and displays the notification area on the map. The control unit 6 causes the user to set a notification restriction area from the displayed notification area, for example. In addition to the notification area, an area on the map may be freely selected and the area may be used as a notification restriction area. Further, the notification restricted area may be set according to the address or the like. Further, it may be selected from the detection area. The control unit 6 sets, for example, a detection area within a preset range from the point where the obstacle is detected.

In order to perform such processing, the control unit 6 includes a determination unit 61, a recording unit 62, and a setting unit 63.

When the obstacle detection unit 2 detects an obstacle, the determination unit 61 determines whether or not the position of the own vehicle 1 detected by the position detection unit 3 is within the notification restriction area.

The recording unit 62 records the above-mentioned detection area, notification area, notification restriction area, and the like. The recording unit 62 is configured by, for example, the flash memory of the control unit 6.

The setting unit 63 sets the area set as the notification restriction area by the selection unit 5 as the notification restriction area. Further, when the selection unit 5 sets the cancellation of the notification restriction area, the setting unit 63 cancels the setting of the set notification restriction area as the notification restriction area.

The setting process of the notification restriction area by the control unit 6 will be described. When the notification restriction area selection process is selected by the user's operation, the control unit 6 reads the position information of the notification area from the recording unit 62, causes the selection unit 5 to display a map, and displays the notification area on the map. Let me. It should be noted that the recording unit 62 stores the number of times the notification was performed for each position where the notification was performed, and the display color is changed according to the number of notifications, or a place where the number of notifications exceeds a predetermined number of times. It may be displayed in an identifiable manner.

The selection unit 5 instructs the user to select a place to be set as the notification restriction area from the displayed notification area, and transmits the selected notification area to the setting unit 63 as the notification restriction area.

The setting unit 63 records the received notification area as a notification restriction area in the recording unit 62, and records the reception restriction area in association with the information of the corresponding area of the map information possessed by the selection unit 5 and the like.

Further, when the release processing of the notification restricted area is selected by the user's operation, the control unit 6 reads the position information of the notification restricted area from the recording unit 62, causes the selection unit 5 to display a map, and notifies on the map. Display the restricted area. The selection unit 5 instructs the user to select a place where the notification restriction area is to be canceled from the displayed notification restriction area, and transmits the selected notification restriction area to the setting unit 63 as a cancellation target.

The setting unit 63 deletes the received record of the notification restricted area from the recording unit 62, and deletes the information of the map information such as the selection unit 5 as the notification restricted area of the corresponding area. When the notification restricted area is released, the user is allowed to select whether or not to leave the released notification restricted area as the notification area. The recording in the notification area may be deleted from the recording unit 5.

The obstacle notification process by the vehicle warning system according to the present embodiment configured as described above will be described with reference to FIG. The obstacle notification process described below is started when the control unit 6 starts operation, and is executed at preset time intervals.

In step S1, the control unit 6 determines whether or not the obstacle detection unit 2 has detected an obstacle. If it is determined that no obstacle has been detected, the control unit 6 ends the process.

When it is determined in step S1 that an obstacle is detected, in step S2, the control unit 6 determines that the position of the own vehicle 1 detected by the position detection unit 3 is the place where the obstacle notification is invalidated (notification restriction area). It is determined whether or not it is. When it is determined that the position of the own vehicle 1 is the place where the obstacle notification is invalidated, in step S3, the control unit 3 invalidates the obstacle notification and ends the process without performing the notification.

If it is determined in step S2 that the position of the own vehicle 1 is not the place where the obstacle notification is invalidated, in step S4, the control unit 6 permits the notification of the obstacle and causes the notification unit 4 to perform the notification.

In step S5, the control unit 6 registers the position of the own vehicle 1 detected by the position detection unit 3 in the recording unit 62 as an obstacle notification location (notification area), and ends the process.

As described above, in the above-described embodiment, the notification area in which the notification is performed by the notification unit 4 is recorded, and the notification restriction area for limiting the notification is set from the recorded notification area.

As a result, the user can select a place where the obstacle notification is not required while the vehicle 1 is stopped, and the obstacle notification is restricted without the driver operating the obstacle monitoring function while driving. Can be done.

Further, since the place where the obstacle is actually detected and notified is recorded as the notification area, it is necessary to consider whether or not to limit the notification for the place where the notification is not performed even if the vehicle 1 passes or invades. do not have.

Further, only the place where the user determines that the notification is not necessary from the next time onward can be set as the notification restriction area, and the intention of the user can be appropriately reflected.

Further, when the vehicle 1 is located in the notification restriction area, the notification unit 4 does not perform notification. Therefore, the notification can be automatically prohibited.

Further, when the cancellation of the notification restriction area is set, the setting of the set notification restriction area as the notification restriction area is canceled. Therefore, when the usage environment of the vehicle 1 changes and the notification function is desired to be enabled, the notification function can be enabled.

All or part of the selection unit 5, the recording unit 62, and the setting unit 63 do not need to be mounted on the vehicle, and may be a server device, a smartphone, a mobile phone, or the like connected via a communication medium such as a network. It may be configured. In this case, information such as the notification area, the notification restriction area, and the position of the vehicle 1 is transmitted and received via the communication medium, and processing is performed.

For example, as shown in FIG. 3, the selection unit 5 is provided in the external device 10 connected to the control unit 6 by a communication medium. In this case, the external device 10 causes the selection unit 5 to set or cancel the notification restricted area on the map displayed on the touch panel of the external device 10, and transmits information on setting or canceling the notification restricted area to the control unit 6. do. The external device 10 is composed of a smartphone, a mobile phone, or the like.

Further, as shown in FIG. 4, the selection unit 5 and the setting unit 63 may be provided in the external device 10. In this case, the external device 10 causes the selection unit 5 to set or cancel the notification restricted area on the map displayed on the touch panel of the external device 10, and transmits information on setting or canceling the notification restricted area to the setting unit 63. .. The setting unit 63 transmits to the control unit 6 a request to change the notification restricted area recorded in the recording unit 62 based on the received information on setting or canceling the notification restricted area. The recording unit 62 may also be provided in the external device 10. In this case, the determination unit 61 requests the external device 10 for information on the notification restriction area around the position of the own vehicle 1 detected by the position detection unit 3. The external device 10 transmits the information of the notification restriction area recorded in the recording unit 62 to the determination unit 61 at the request of the determination unit 61.

Further, as shown in FIG. 5, the selection unit 5 and the setting unit 63 may be provided in the external device 10, and the recording unit 62 may be provided in the server device 20 connected to the control unit 6 by a communication medium. The external device 10 and the server device 20 are connected by a communication medium and can communicate with each other. In this case, the external device 10 causes the selection unit 5 to set or cancel the notification restricted area on the map displayed on the touch panel of the external device 10, and transmits information on setting or canceling the notification restricted area to the setting unit 63. .. The setting unit 63 transmits to the server device 20 a request to change the notification restricted area recorded in the recording unit 62 based on the received information on setting or canceling the notification restricted area. The server device 20 changes the notification restriction area recorded in the recording unit 62 at the request of the setting unit 63. Further, the determination unit 61 requests the server device 20 for information on the notification restriction area around the position of the own vehicle 1 detected by the position detection unit 3. The server device 20 transmits the information of the notification restriction area recorded in the recording unit 62 to the determination unit 61 at the request of the determination unit 61.

Further, as shown in FIG. 6, the selection unit 5 may be provided in the external device 10, and the recording unit 62 and the setting unit 63 may be provided in the server device 20 connected to the control unit 6 by a communication medium. The external device 10 and the server device 20 are connected by a communication medium and can communicate with each other. In this case, the external device 10 causes the selection unit 5 to set or cancel the notification restricted area on the map displayed on the touch panel of the external device 10, and sets and cancels the information of the notification restricted area to the server device 20. It is transmitted to the unit 63. The setting unit 63 of the server device 20 changes the notification restriction area recorded in the recording unit 62 based on the received information on setting or canceling the notification restriction area. Further, the determination unit 61 requests the server device 20 for information on the notification restriction area around the position of the own vehicle 1 detected by the position detection unit 3. The server device 20 transmits the information of the notification restriction area recorded in the recording unit 62 to the determination unit 61 at the request of the determination unit 61.

Further, when the obstacle detection unit 2 detects the approach of an obstacle exceeding a preset threshold value, the control unit 6 is notified, and when the control unit 6 receives this notification, the notification restriction area is used. The prohibition of notification by the notification unit is released. As a result, since the user is not aware of the obstacle, it is possible to notify the obstacle that has approached beyond the preset threshold value and prevent the vehicle 1 from coming into contact with the obstacle.

Further, when the obstacle detection unit 2 can detect a moving object, or when the obstacle detection unit 2 notifies that a moving object has been detected, the control unit prohibits the notification by the notification unit in the notification restriction area. Try to release it. As a result, it is possible to notify that there is a moving object other than the stationary object recognized by the user, and it is possible to prevent the vehicle 1 from coming into contact with the obstacle.

Further, when the obstacle detection unit 2 can detect the distance to the obstacle, it may be possible to set whether or not to perform the notification according to the distance. Further, it may be possible to set whether or not to perform notification according to the range of distance.

Further, when the obstacle detection unit 2 can detect the direction of the obstacle, it may be possible to set whether or not to perform the notification within a range of a specific direction.

Although embodiments of the present invention have been disclosed, it will be apparent to those skilled in the art that modifications may be made without departing from the scope of the invention. All such modifications and equivalents are intended to be included in the following claims.

1 Vehicle 2 Obstacle detection unit 3 Position detection unit 4 Notification unit 5 Selection unit 6 Control unit 61 Judgment unit 62 Recording unit 63 Setting unit

Claims (4)

An obstacle detection unit that detects obstacles around the vehicle,
A vehicle warning system including a notification unit for notifying that the obstacle detection unit has detected an obstacle.
A position detector that detects the position of your vehicle and
A recording unit that records the notification area in which the notification unit has performed notification, and a recording unit.
From the notification area recorded in the recording unit, a setting unit for setting a notification restriction area for limiting notification by the notification unit, and a setting unit.
When the obstacle detection unit detects an obstacle, a determination unit for determining whether or not the position of the own vehicle detected by the position detection unit is within the notification restriction area, and a determination unit.
When the determination unit determines that the position of the own vehicle is within the notification restriction area, the notification by the notification unit is prohibited, and the notification that the obstacle detection unit has detected a moving object is notified. A vehicle warning system including a control unit for canceling the prohibition of notification by the notification unit in the notification restriction area. The setting unit makes it possible to cancel the setting as the notification restricted area, and when the notification restricted area is released, the user is made to select whether or not to leave the released notification restricted area as the notification area, and the notification area is set as the notification area. The vehicle warning system according to claim 1, wherein the record in the recording unit is left as it is when it is left, and the record in the notification area is deleted from the recording unit when it is not left. The vehicle warning system according to claim 1 or 2 , wherein the obstacle detection unit can detect the direction of the obstacle and set whether or not to perform notification within a range of a specific direction. It is a method of limiting vehicle notifications.
Steps to detect obstacles around your vehicle and
Steps to detect the position of your vehicle and
A step to notify that an obstacle has been detected when the position of the own vehicle is outside the notification restricted area, and
The step of recording the area where the obstacle was notified as the notification area,
A step of setting an area selected from the notification areas as the notification restriction area, and
A notification limiting method including a step of notifying that an obstacle has been detected even within the notification limiting area when an object moving around the own vehicle is detected.

Images