JP2020168938A - Display control device for vehicle - Google Patents

Abstract

To provide a display control device for a vehicle in which, on a display part capable of displaying at least two sections, each section is indicated appropriately on the display part according to needs of a driver.SOLUTION: A display control device for a vehicle in accordance with the present invention includes: a display part which displays an image in a cabin of a vehicle; and a control part which displays a first section for displaying a first image and a second section for displaying a second image different from the first image on the display part. The control part displays the second section on the display part on a side which faces a position of the vehicle regarding an outer edge line of a parking area or a planned progress area in the first section as a reference, or the control part sets shortest distance between first and the second sections in accordance with difference of importance between first and the second information relating to the first and second images respectively.SELECTED DRAWING: Figure 5

Description

The present invention relates to a display control device for a vehicle having a display unit capable of displaying an image and a control unit configured to be able to control the display unit.

Vehicles such as automobiles have a display control device that displays an image of the surroundings of the vehicle captured by an imaging unit such as a camera on a display unit such as a liquid crystal display arranged in the vehicle interior in order to assist the driver in operating the vehicle. It has been installed. In particular, a display control device that displays an image of the rear of the vehicle on a display unit when the vehicle is moving backward is becoming widespread, and such a display control device is sometimes called a "back monitor".

In the display control device, in order to convey more information to the driver, at least two sections displaying at least two pieces of information may be displayed on the display unit. Typically, in the display control device, the image on the vehicle traveling direction side is displayed on the entire display unit as the main screen, and the image of the viewpoint different from the viewpoint of the image on the vehicle traveling direction side is displayed as a sub screen smaller than the main screen. It may be displayed on a part of the display unit so as to overlap the main screen.

As an example of such a display control device, there is and displays a display control means for displaying a wide area image behind the vehicle in a square main screen area and displaying a vehicle rear viewpoint conversion image in a sub screen area. The control means is configured to display the subscreen area in the upper corner of the main screen area, or selectively display the subscreen area either above or below the main screen area. A driving support display device configured as described above can be mentioned. (See, for example, Patent Document 1.)

Japanese Unexamined Patent Publication No. 2003-104145

However, in the above-mentioned example of the display control device, the sub screen is displayed only in a predetermined fixed portion in the main screen. Therefore, the important part of the main screen that the driver wants to see may be hidden by the sub screen. In addition, there is a possibility that the sub screen cannot be efficiently arranged in a non-important part of the main screen that does not require confirmation by the driver. That is, in an example of the display control device for a vehicle, the sub screen may not be properly displayed on the display unit according to the necessity of the driver.

In view of such a situation, it is desired that the display control device for a vehicle can appropriately display each section according to the necessity of the driver on the display unit capable of displaying at least two sections.

In order to solve the above-mentioned problems, the vehicle display control device according to one aspect is arranged in the vehicle interior and an imaging unit that is mounted on the vehicle and is configured to be capable of imaging the peripheral region of the vehicle. A display unit that is configured to be able to display an image, a first section that is mounted on the vehicle and displays a first image captured by the imaging unit, and a second image that is different from the first image. The control unit is provided with a control unit that controls the display unit so that the second section to be projected is displayed on the display unit, and the control unit provides a parking area for parking the vehicle or the vehicle on the first image. A display control device for a vehicle configured to be able to identify a planned progress area to be advanced, wherein the control unit displays the second section on the display unit and is projected on the first section. It is configured to be displayed on the side opposite to the position of the vehicle with respect to the outer edge line of the parking area or the planned progress area.

The vehicle display control device according to another aspect includes a display unit arranged in the vehicle interior and capable of displaying an image, and information on the vehicle itself or around the vehicle, which is mounted on the vehicle. The first section for displaying the first image based on the first information which is information, and the second section for displaying the second image based on the second information which is different from the first information and less important than the first information. A vehicle display control device including a control unit that controls the display unit so as to be displayed on the display unit, wherein the control unit surrounds the first section with the second section. When arranged so as to be separated from the two compartments, the shortest distance between the first and second compartments is set according to the difference in importance of the first and second information.

In each of the vehicle display control devices according to one aspect and another aspect, each section can be appropriately displayed according to the driver's need on a display unit capable of displaying at least two sections. ..

FIG. 1 is a side view schematically showing a vehicle equipped with the display control device according to the first embodiment. FIG. 2 is a plan view schematically showing a vehicle equipped with the display control device according to the first embodiment. FIG. 3 is a configuration diagram of a display control device according to the first embodiment. FIG. 4 is a diagram schematically showing a first example of a display state in the display unit of the display control device according to the first embodiment. FIG. 5 is a diagram schematically showing a second example of a display state in the display unit of the display control device according to the first embodiment. FIG. 6 is a diagram schematically showing a third example of a display state in the display unit of the display control device according to the first embodiment. FIG. 7 is a diagram schematically showing a fourth example of a display state in the display unit of the display control device according to the first embodiment. FIG. 8 is a flowchart for explaining an example of a control method of the display control device according to the first embodiment. FIG. 9 is a block diagram of the display control device according to the second embodiment. FIG. 10 is a diagram schematically showing a first example of a display state in the display unit of the display control device according to the second embodiment. FIG. 11 is a diagram schematically showing a second example of a display state in the display unit of the display control device according to the second embodiment. FIG. 12 is a flowchart for explaining an example of a control method of the display control device according to the second embodiment.

The vehicle display control device according to the first and second embodiments will be described below. The vehicle to which the vehicle display control device according to the present embodiment (hereinafter, referred to as "display control device" or "control device" as necessary) is applied is an automobile. However, the control device can also be applied to vehicles other than automobiles.

"First embodiment"
The display control device according to the first embodiment will be described.

"Overview of display control device"
The outline of the display control device 10 according to the present embodiment will be described with reference to FIGS. 1 to 7. In FIGS. 1 and 2, the front side of the vehicle 1 is indicated by an arrow F, and the rear side of the vehicle 1 is indicated by an arrow B. Further, in FIG. 1, a part of the side surface portion in the width direction of the vehicle 1 is omitted so that the inside of the vehicle interior 2 can be visually recognized.

As shown in FIGS. 1 to 3, the control device 10 has four imaging units 11, 12, 13, and 14 configured to be capable of imaging peripheral regions including a rear region, a front region, and a lateral region of the vehicle 1, respectively. Has. The imaging units 11 and 12 are mounted on the vehicle 1. In particular, the imaging units 11 to 14 are preferably cameras. However, the imaging unit is not limited to the camera.

The four imaging units 11 to 14 include one rear imaging unit 11, one front imaging unit 12, and two side imaging units 13 and 14. The two side image pickup units 13 and 14 are composed of a left side image pickup unit 13 and a right side image pickup unit 14. The rear imaging unit 11 is configured to be capable of imaging the rear region of the vehicle 1, and the front imaging unit 12 is configured to be capable of imaging the front region of the vehicle 1. The two side image pickup units 13 and 14 are configured to be capable of imaging both side regions of the vehicle 1, respectively. Specifically, the left side imaging unit 13 is configured to be able to image the left side region of the vehicle, and the right side imaging unit 14 is configured to be able to image the right side region of the vehicle.

The rear and front regions are located on the rear and front sides of the vehicle 1, respectively. The bilateral regions are located outside the vehicle width direction with respect to the vehicle 1, respectively. The left side region is located on the left side when facing the front of the vehicle with respect to the vehicle 1, and the right side region is located on the right side when facing the front of the vehicle with respect to the vehicle 1. In the following, the left side and the right side shall refer to the left side and the right side when facing the front of the vehicle, respectively. Further, if the peripheral area of the vehicle can be imaged, the control device may have an imaging unit different from the rear, front, left side, and right side imaging units instead of at least one of these four imaging units. it can. The control device may also have such different imaging units in addition to the four imaging units.

In the present embodiment, the traveling direction of the vehicle 1 is the backward direction of the vehicle 1. That is, the rear region located on the rear side of the vehicle 1 is the traveling region A located on the traveling direction side of the vehicle 1. Therefore, when the vehicle 1 moves backward, the rear imaging unit 11 images the traveling region A. However, the present invention is not limited to this, and the front region located on the front side of the vehicle can be set as the traveling region. In this case, the traveling direction of the vehicle is the forward direction of the vehicle, and when the vehicle advances, the front imaging unit images the traveling region.

As shown in FIGS. 1 to 3, the control device 10 has a display unit 15 configured to be able to display an image. The display unit 15 is arranged in the passenger compartment 2 of the vehicle 1. The display unit 15 is preferably a liquid crystal display. However, the display unit is not limited to the liquid crystal display. For example, the display unit may be an organic EL display or the like.

As shown in FIGS. 3 to 7, the control device 10 displays on the display unit 15 a first section D1 for displaying the first image captured by the rear imaging unit 11 and a second section D2 for displaying the second image. It has a control unit 16 which is configured to control the display unit 15 so as to do so. The control unit 16 is also mounted on the vehicle 1. The second image is different from the first image. In FIGS. 4 to 7, the traveling direction of the vehicle 1 on the display unit 15, that is, the backward direction is indicated by an arrow B, and the vehicle width direction on the display unit 15 is indicated by an arrow W. Further, FIGS. 4, 5 and 7 show a situation in which the vehicle 1 retreats substantially straight, and FIG. 6 shows a situation in which the vehicle 1 retreats while turning.

As shown in FIGS. 4 to 7, the control unit 16 is configured to be able to identify the parking area P for parking the vehicle 1 or the planned progress area Q for advancing the vehicle 1 on the first image. The control unit 16 sets the second section D2 on the display unit 15 on the side opposite to the position of the vehicle 1 with reference to the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q projected on the first section D1. It is configured to be displayed in.

As an example, the control unit 16 includes electronic components such as a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an input interface, and an output interface, and electricity in which such electronic components are arranged. It may be configured to include a circuit. However, the control unit is not limited to this.

Further, the control device 10 may be configured as follows. As shown in FIGS. 4 to 7, the control unit 16 displays the second section D2 on the display unit 15 away from the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q in the first section D1. It is configured as follows.

As shown in FIGS. 4 and 5, the control unit 16 is configured to be able to identify the outer edge line R1 of the obstacle R located within a predetermined obstacle distance L from the vehicle 1. The control unit 16 is configured such that the display unit 15 displays the second section D2 on the side opposite to the position of the vehicle 1 with reference to the outer edge line R1 of the obstacle R projected on the first section D1. To.

As shown in FIGS. 6 and 7, the control unit 16 displays the second section D2 on the display unit 15 as the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q in the first section D1 and the outer edge of the obstacle R. It is configured to be displayed away from the line R1. In such a control unit 16, the parking area P or the planned traveling area Q deviates from the obstacle in the traveling direction of the vehicle 1, that is, in the backward direction (indicated by the arrow B) and the vehicle width direction (indicated by the arrow W). If so, the first shortest distance H1 between the second section D2 and the outer edge line R1 of the obstacle R is between the second section D2 and the outer edge lines P1 and Q1 of the parking area P or the planned traveling area Q. It is larger than the second shortest distance H2.

Here, based on the above, the situations shown in FIGS. 4 to 7 will be described in detail. In FIG. 4, when the wall which is the obstacle R is located on the backward side with respect to the parking area P, the vehicle 1 retreats substantially straight and enters the parking area P, and the wall Shows the situation that arrived just before. FIG. 5 shows that when another vehicle, which is an obstacle R, is parked on both the left and right sides facing the backward direction with respect to the parking area P, the vehicle 1 retreats substantially straight and the parking area P. Shows the situation just before entering.

FIG. 6 shows that when another vehicle, which is an obstacle R, is parked on both the left and right sides facing the backward direction with respect to the parking area P, the vehicle 1 retreats while turning and enters the parking area P. Shows the situation that arrived just before. FIG. 7 shows that when another vehicle, which is an obstacle R, is parked on the backward side of the parking area P and on the right side facing the backward direction, the vehicle 1 retreats substantially straight. It shows the situation of entering the parking area P and reaching just before the final parking position.

"Details of display control device"
The details of the display control device 10 according to the present embodiment will be described with reference to FIGS. 1 to 7. The control device 10 may be configured to display information of an in-vehicle information providing device such as a car navigation device. As shown in FIGS. 4 to 7, a plurality of first images are continuously projected as moving images in the first section D1. A plurality of second images are continuously projected as moving images in the second section D2. The second image may be an image viewed from a viewpoint different from the viewpoint of the first image. The second image may be a bird's-eye view image of the vehicle 1 viewed from above. In addition, in FIGS. 4 to 6, the second image of the second section D2 shows the rear portion 1a of the vehicle 1 in the vehicle front-rear direction, which is viewed from a bird's-eye view.

However, the second image is not limited to these. In the second section, one second image may be projected as a still image. The second image is not limited to an image viewed from a viewpoint different from the viewpoint of the first image. For example, the second image may be an image in which at least one of the vehicle information and the vehicle surrounding information is shown by characters, symbols, illustrations, photographs, and the like. Further, the second image is not limited to the bird's-eye view image. For example, the second image may be an image captured by another imaging unit different from the rear imaging unit. Another imaging unit may be the front imaging unit, a side view camera, or the like.

The size of the first section D1 is larger than the size of the second section D2. The first section D1 may be displayed substantially on the entire display unit 15. The second section D2 may be displayed on a part of the display unit 15. The second section D2 may be displayed in a state of overlapping the first section D1 so as to cover a part of the first section D1. It is preferable that substantially the entire second compartment D2 is arranged in the first compartment D1. Each of the first and second compartments D1 and D2 may be a screen, and in this case, the first and second compartments D1 and D2 can also be referred to as the first and second screens, respectively. In particular, the first section D1 may be a so-called main screen, and the second section D2 may be a so-called child screen.

The parking area P is an area determined according to the size of the vehicle 1 so that the vehicle 1 can be parked. The planned travel area Q is an area extending between the vehicle 1 and the parking area P on the traveling direction side of the vehicle 1. Each of the parking area P and the planned progress area Q is defined along the ground surface G so as to have a space above the parking area P through which the vehicle 1 can pass. It is preferable that the outer edge lines P1 and Q1 of the parking area P and the planned progress area Q are connected to each other and extend continuously with each other in the longitudinal direction of the outer edge lines P1 and Q1. The outer edge line Q1 of the planned travel area Q is defined to extend linearly or curvedly depending on the position, orientation, cornering performance, and the like of the vehicle 1.

Next, as shown in FIGS. 1 and 2, the control device 10 is configured so that the obstacle R can be detected and the position of the obstacle R with respect to the vehicle 1 can be specified. In particular, the control device 10 has a plurality of sonar sensors 17, 18. The sonar sensors 17 and 18 are mounted on the vehicle 1.

More specifically, as shown in FIG. 2, the plurality of sonar sensors 17 and 18 are at least one rear sonar sensor 17 arranged in the rear portion 1a of the vehicle 1 and at least one arranged in the front portion 1b of the vehicle 1. Includes one front sonar sensor 18. However, the present invention is not limited to this, and the control device can also have an infrared rider in place of or in addition to the sonar sensor.

In FIG. 2, as an example, the control device 10 has six rear sonar sensors 17. The six rear sonar sensors 17 are arranged at intervals in the outer peripheral direction of the vehicle 1. Further, four of the six rear sonar sensors 17 are arranged at the rear end of the rear portion 1a of the vehicle 1, and two of the six rear sonar sensors 17 are both ends of the rear portion 1a in the vehicle width direction, respectively. It is placed in the department. However, the number and position of rear sonar sensors is not limited to this.

Further, in FIG. 2, as an example, the control device 10 has six front sonar sensors 18. The six front sonar sensors 18 are arranged at intervals in the outer peripheral direction of the vehicle 1. Further, four of the six front sonar sensors 18 are arranged at the front end of the front portion 1b in the vehicle front-rear direction of the vehicle 1, and two of the six front sonar sensors 18 are respectively located in the vehicle width direction of the front portion 1b. It is placed at both ends of the. However, the number and position of front sonar sensors is not limited to this.

The control device 10 also has an information collecting unit 19 configured to be able to collect basic information for obtaining information on the first and second images. The information collecting unit 19 includes rear and front imaging units 11 and 12, left and right imaging units 13 and 14, and rear and front sonar sensors 17 and 18. Further, the information collecting unit 19 includes images obtained by other than the rear and front imaging units 11 and 12, a millimeter wave radar, LIDAR (Light Detection and Ranging), GPS (Global Positioning System), and VICS (registered trademark) (Vehicle Information and). Communication System) (for example, ITS (Iintelligent Transport System) spot, radio beacon, optical beacon, FM (Frequency Modulation) multiplex broadcasting, etc.), at least one device configured to obtain at least one of in-vehicle programs, etc. Have.

"Details of the imaging unit and display unit"
The imaging units 11 and 12 and the display unit 15 may be configured in detail as follows. As shown in FIGS. 1 and 2, the rear and front imaging units 11 and 12 are arranged in the rear and front portions 1a and 1b of the vehicle 1, respectively. In particular, the rear imaging unit 11 is arranged at the rear end of the rear portion 1a. Further, the front imaging unit 12 is arranged at the front end portion of the front portion 1b. The two side image pickup units 13 and 14 are arranged on both side mirrors 4 and 5 of the vehicle 1, respectively. Specifically, the left side imaging unit 13 is arranged on the left side mirror 4 of the vehicle 1, and the right side imaging unit 14 is arranged on the right side mirror 5 of the vehicle 1. However, the arrangement of the imaging unit is not limited to these.

As shown in FIG. 1, the display unit 15 is arranged so as to be visible to the driver in front of the vehicle in the vehicle interior 2. The display unit 15 may be arranged on the instrument panel 3 located in front of the vehicle in the vehicle interior 2. In FIGS. 4 to 7, the display unit 15 has a substantially rectangular shape, particularly a substantially rectangular shape. However, the display unit is not limited to these.

"Details of the control unit"
The control unit 16 may be configured as follows in detail. As shown in FIG. 3, the control unit 16 has a traveling direction determining unit 21 that determines whether or not the vehicle 1 is in a state of traveling behind the vehicle 1. The traveling direction determination unit 21 determines whether or not the speed change mechanism (not shown) of the vehicle 1 is set to move the vehicle 1 backward, or whether or not the driver has set the speed change stage to reverse. It is good to judge.

The control unit 16 sets a parking display mode for displaying the first and second compartments D1 and D2 on the display unit 15 when the traveling direction determination unit 21 determines that the vehicle 1 is traveling behind the vehicle 1. It has a parking mode indicator 22 to start. However, the parking mode indicator is not limited to this. For example, the parking mode indicator may start the parking display mode when the driver instructs the start of the parking display mode while the vehicle is moving ahead of the vehicle. In this case, the control unit may have a parking display determination unit that determines whether or not the driver has instructed the start of the parking display mode, and the control device further instructs the driver to start the parking display mode. It is preferable to have an operation unit such as a mechanical button for the purpose, a button on the touch panel, and a switch.

The control unit 16 has a first image acquisition unit 23 configured to acquire a first image imaged by the rear image pickup unit 11. The control unit 16 has a second image generation unit 24 configured to generate a second image. The second image generation unit 24 may generate a second image based on the information obtained by the information collection unit 19. For example, when the second image is a bird's-eye view image, an image in which at least one of the vehicle information and the vehicle surrounding information is shown by characters, symbols, illustrations, etc., the second image generation unit 24 is thus described. 2 It is good to generate an image.

The control unit 16 has a second image acquisition unit 25 configured to acquire a second image generated by the second image generation unit 24. However, the second image acquisition unit is not limited to this. For example, when the second image is an image captured by an imaging unit different from the rear imaging unit 11 as described above, the second image acquisition unit captures the second image captured by the other imaging unit. It should be configured to get.

The control unit 16 is configured to be able to identify the parking area P for parking the vehicle 1 and the outer edge line P1 of the parking area P on the first image acquired by the first image acquisition unit 23. Has. The outer edge line P1 of the parking area P is defined along the ground surface G. For example, the parking area identification unit 26 recognizes a parking frame such as a white line drawn on the ground surface G on the first image, and based on the parking frame, sets the parking area P and the outer edge line P1 of the parking area P. It should be specified. However, the method by which the parking area identification unit identifies the parking area and the outer edge of the parking area is not limited to this.

The control unit 16 may have a parking area indicating unit 27 configured on the first section D1 so that the outer edge line P1 of the parking area P specified by the parking area specifying unit 26 can be displayed by a schematic line. In addition, in FIGS. 4 to 7, as an example, the outer edge line P1 of the parking area P is shown by a broken line on the first section D1.

As shown in FIG. 3, the control unit 16 is configured to be able to identify the planned progress area Q for advancing the vehicle 1 and the outer edge line Q1 of the planned progress area Q on the first image. It has a specific part 28. The outer edge line Q1 of the planned travel area Q is defined along the ground surface G. When the planned travel area Q and its outer edge line Q1 are curved, they are specified based on the steering angle and vehicle speed of the vehicle 1 at the present time, that is, at the time when the planned travel area Q and its outer edge line Q1 are to be specified. Good. Further, the planned traveling area Q and its outer edge line Q1 may also be specified based on a calculation by an automatic driving system or an automatic parking system that can be mounted on the vehicle 1 in the case of a curve.

The control unit 16 may have a planned progress area indicating unit 29 on the first section D1 so that the outer edge line Q1 of the planned progress area Q specified by the planned progress area specifying unit 28 can be displayed by a schematic line. .. In addition, in FIGS. 4 to 7, as an example, the outer edge line Q1 of the planned progress area Q is shown by the alternate long and short dash line on the first section D1.

As shown in FIG. 3, the control unit 16 makes it possible to identify the obstacle R located within the predetermined obstacle distance L from the vehicle 1 and the outer edge line R1 of the obstacle R on the first image. It has an obstacle identification unit 30 that is configured. The outer edge line R1 of the obstacle R is defined along the ground surface G.

The control unit 16 may have an obstacle indicating unit 31 on the first section D1 so that the outer edge line R1 of the obstacle R specified by the obstacle identifying unit 30 can be displayed by a schematic line. In addition, in FIGS. 4 to 7, as an example, the outer edge line R1 of the obstacle R is shown by the alternate long and short dash line on the first section D1.

The obstacle distance L is preferably equal to or less than the distance at which the obstacle R can be detected by the rear or front sonar sensors 17 and 18. Further, the obstacle distance L is preferably larger than 0 (zero) m (meter). However, the obstacle distance is not limited to this.

As shown in FIG. 3, the control unit 16 has a first image projection unit 32 configured to project the first image on the first section D1 and a second image acquired by the second image acquisition unit 25. It has a second image projection unit 33 configured to be projected on the two compartments D2. The control unit 16 is configured to set the position of the first section size setting unit 34 configured to set the size of the first section D1 in the display unit 15 and the position of the first section D1 in the display unit 15. It has a first section position setting unit 35. The first section size setting unit 34 and the first section position setting unit 35 are set so that the first section D1 is displayed on the entire display unit 15. However, the first section size setting section and the first section position setting section are not limited to this.

The control unit 16 is configured to set the position of the second section size setting unit 36 configured to set the size of the second section D2 in the display unit 15 and the position of the second section D2 in the display unit 15. It has a second section position setting unit 37.

The second section position setting unit 37 sets the display unit 15 to display the second section D2 on the side opposite to the position of the vehicle 1 with respect to the outer edge line P1 of the parking area P. Has. The parking area avoidance unit 37a is set so that the display unit 15 displays the second section D2 away from the outer edge line P1 of the parking area P. Further, the parking area avoidance unit 37a displays the second section D2 at a position farthest from the outer edge line P1 of the parking area P in a state where the size of the second section D2 is set to be constant on the display unit 15. It is good to set to. The parking area avoidance unit 37a maximizes the second section D2 in a state where the display unit 15 sets the second shortest distance H2 between the second section D2 and the outer edge line P1 of the parking area P to be constant. It may be set to be displayed at a position where it can be sized.

The second section position setting unit 37 sets the display unit 15 to display the second section D2 on the side opposite to the position of the vehicle 1 with reference to the outer edge line Q1 of the planned progress area Q. It has a part 37b. The planned progress area avoidance unit 37b is set so that the display unit 15 displays the second section D2 away from the outer edge line Q1 of the planned progress area Q. Further, the planned progress area avoidance unit 37b displays the second section D2 at a position farthest from the outer edge line Q1 of the planned progress area Q in a state where the size of the second section D2 is set to be constant on the display unit 15. It is good to set it to. In addition, the planned progress area avoidance unit 37b is in a state where the second shortest distance H2 between the second section D2 and the outer edge line Q1 of the planned progress area Q is set to be constant on the display unit 15, and the second section D2 May be set to be displayed at a position where the maximum size can be obtained.

The second section position setting unit 37 sets the display unit 15 so that the second section D2 is displayed on the side opposite to the position of the vehicle 1 with respect to the outer edge line R1 of the obstacle R. Has. The obstacle avoidance unit 37c is set so that the display unit 15 displays the second section D2 away from the outer edge line R1 of the obstacle R. Further, the obstacle avoidance unit 37c displays the second section D2 at a position farthest from the outer edge line R1 of the obstacle R in a state where the size of the second section D2 is set to be constant on the display unit 15. It is good to set to. The obstacle avoidance unit 37c maximizes the second section D2 in a state where the first shortest distance H1 between the second section D2 and the outer edge line R1 of the obstacle R is set to be constant on the display unit 15. It may be set to be displayed in a position where it can be sized.

Further, in the control unit 16, the display unit 15 displays the vehicle 1 in the second section D2 with reference to the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q and the outer edge line R1 of the obstacle R in the first section D1. When the parking area P or the planned traveling area Q is deviated from the obstacle R in the traveling direction and the vehicle width direction of the vehicle 1, the obstacle avoidance unit 37c is the second. The first shortest distance H1 between the section D2 and the outer edge line R1 of the obstacle R is set from the second shortest distance H2 between the second section D2 and the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q. Should also be set large. However, in such a case, the parking area or the planned progress area avoidance unit may set the second shortest distance to be smaller than the first shortest distance instead of the obstacle avoidance unit.

The control unit 16 also displays the first section display instruction unit 38 configured to display the first section D1 on the display unit 15 and the second section D2 set as described above on the display unit 15. It has a second section display instruction unit 39 configured in.

Although it is not always necessary, the second section position setting unit 37 of the control unit 16 may be further as follows. The second section position setting unit 37 is the size of the second section D2 that can be displayed on the side opposite to the position of the vehicle 1 with reference to the outer edge line P1 of the parking area P (hereinafter, referred to as “parking area size” if necessary). Is larger than the size of the second section D2 that can be displayed on the side opposite to the position of the vehicle 1 with respect to the outer edge line Q1 of the planned progress area Q (hereinafter, referred to as "planned progress area size" if necessary). It is preferable to have a second section size determination unit 37d configured to determine whether or not. When the second section size determination unit 37d determines in the control unit 16 that the parking area size is larger than the planned progress area size, the parking area avoidance unit 37a displays the second section D2 in the parking area P on the display unit 15. It is set to be displayed on the side opposite to the position of the vehicle 1 with reference to the outer edge line P1 of the above, while the second section size determination unit 37d determines that the parking area size is not larger than the planned progress area size. In this case, the planned progress area avoidance unit 37b may be set so that the display unit 15 displays the second section D2 on the side opposite to the position of the vehicle 1 with reference to the outer edge line Q1 of the planned progress area Q.

"About the control method of the display control device"
An example of the control method of the display control device 10 according to the present embodiment will be described with reference to FIG. An example of the control method described here is applied when the vehicle 1 travels behind the vehicle 1. However, the present invention is not limited to this, and such a control method is also applicable when the vehicle travels in front of the vehicle.

First, the control device 10 is in an initial state other than the parking display mode (step S1). It is determined whether or not the vehicle 1 is reversing (step S2). When the vehicle 1 is not reversing (NO), the control device 10 is maintained in the initial state (step S1).

When the vehicle 1 is moving backward (YES), the control device 10 is changed from the initial state to the parking display mode (step S3). The rear imaging unit 11 acquires the first image (step S4). A second image different from the first image is acquired (step S5). The size and size of the first screen D1 on which the first image is projected are set (step S6). In one example, the first screen D1 is set so that the display unit D1 is displayed on the entire display unit 15. The outer edge line P1 of the parking area P or the outer edge line Q1 of the planned progress area Q is specified in the first image (step S7). The outer edge line R1 of the obstacle R is specified in the first image (step S8).

What is the position of the vehicle 1 with respect to the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q and the outer edge line R1 of the obstacle R that are projected on the second section D2 that displays the second image? The size and position of the second screen D2 are set so as to be displayed on the opposite side (step S9). At this time, basically, with the parking area P or the planned progress area Q setting the size of the second section D2 to be constant, the second section D2 is the outer edge line P1 of the parking area P or the planned progress area Q. It is preferable to set the position farthest from the outer edge line R1 of Q1 or the obstacle R. The display unit 15 separates the second section D2 from the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q and the outer edge line R1 of the obstacle R. On the other hand, when the parking area P or the planned traveling area Q deviates from the obstacle R in the traveling direction and the vehicle width direction of the vehicle 1, the second section D2 and the outer edge line R1 of the obstacle R The first shortest distance H1 between them may be larger than the second shortest distance H2 between the second section D2 and the outer edge lines P1 and Q1 of the parking area P or the planned traveling area Q. Then, the first and second compartments D1 and D2 are displayed on the display unit 15 based on the settings as described above (step S10).

As described above, in the display control device 10 according to the present embodiment, the second section D2 that displays the second image different from the first image on the display unit 15 is related to the first section D1 that displays the first image. , Displayed in the area opposite to the vehicle 1 with reference to the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q of the first section D1. Here, when the vehicle 1 is parked, the area opposite to the vehicle 1 with respect to the outer edge line P1 of the parking area P of the first section D1 displaying the traveling area A of the vehicle 1 is the parking area of the first section D1. The need for confirmation by the driver is lower than that of the area on the vehicle 1 side with reference to the outer edge line P1 of P, and when the vehicle 1 is traveling, the vehicle is based on the outer edge line Q1 of the planned progress area Q of the first section D1. The area on the opposite side of 1 is less necessary for confirmation by the driver than the area on the vehicle 1 side with reference to the outer edge line Q1 of the planned traveling area Q in the first section D1. On the other hand, according to the control device 10, the necessity of the driver's confirmation is low while preventing the second section D2 from hiding the area where the driver's confirmation is highly necessary on the display unit 15. The second section D2 can be appropriately displayed in the area. Therefore, on the display unit 15 capable of displaying at least two sections, particularly the first and second sections D1 and D2, each section, particularly each section D1 and D2, is appropriately set according to the driver's need. Can be displayed.

In the display control device 10 according to the present embodiment, the display unit 15 displays the second section D2 away from the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q. Therefore, the second section D2 should be appropriately displayed at a sufficient distance from the parking area P or the planned progress area Q of the first section D1 where the driver's confirmation is highly necessary so as not to interfere with the driver's confirmation. Can be done.

In the display control device 10 according to the present embodiment, the outer edge line R1 of the obstacle R located within the predetermined obstacle distance L from the vehicle 1 is specified on the first image, and the display unit 15 indicates the second section. D2 is displayed on the side opposite to the position of the vehicle 1 with reference to the outer edge line R1 of the obstacle R projected on the first section D1. Here, the area on the opposite side of the vehicle 1 with respect to the outer edge line R1 of the obstacle R in the first section D1 is larger than the area on the vehicle 1 side with reference to the outer edge line R1 of the obstacle R in the first section D1. There is little need for driver confirmation when the vehicle 1 is parked or traveling. On the other hand, according to the control device 10, the necessity of the driver's confirmation is low while preventing the second section D2 from hiding the area where the driver's confirmation is highly necessary on the display unit 15. The second section D2 can be appropriately displayed in the area.

In the display control device 10 according to the present embodiment, the second section D2 is displayed on the display unit 15 away from the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q and the outer edge line R1 of the obstacle R. In addition, when the parking area P or the planned traveling area Q is deviated from the obstacle R in the traveling direction and the vehicle width direction of the vehicle 1, the second section D2 and the outer edge line R1 of the obstacle R are the first. 1 The shortest distance H1 is larger than the second shortest distance H2 between the second section D2 and the outer edge lines P1 and Q1 of the parking area P or the planned progress area Q. Here, to prevent the vehicle 1 from coming into contact with an obstacle when the vehicle 1 is parked or traveling, the vehicle 1 sets the outer edge lines P1 and Q1 of the parking area P of the first section D1 or the planned progress area Q. As a reference, it is more important than preventing the vehicle from traveling to the area opposite to the vehicle 1. On the other hand, according to the control device 10, the visibility of the obstacle R can be made higher than the visibility of the parking area P or the planned progress area Q on the display unit 15, and the driver can make an obstacle. The object R can be confirmed more easily than the parking area P or the planned progress area Q. That is, on the display unit 15, the second section D2 is appropriately displayed in the area where the driver's confirmation is low while preventing the second section D2 from hiding the area where the driver's confirmation is high. be able to.

"Second embodiment"
The display control device according to the second embodiment will be described.

"Overview of display control device"
The display control device 40 according to the present embodiment will be described with reference to FIGS. 9 to 11. In the present embodiment, the display control device 40 according to the present embodiment is applied to the vehicle 1 instead of the display control device 10 according to the first embodiment.

As shown in FIG. 9, the control device 40 also includes a first section E1 that displays a first image based on the first information and a second section E2 that displays a second image based on second information different from the first information. The control unit 41 is configured to control the display unit 15 so as to display the image on the display unit 15. The first information is information on the vehicle 1 itself (hereinafter, referred to as "own vehicle information" if necessary) or information on the periphery of the vehicle 1 (hereinafter, referred to as "peripheral information" if necessary). The importance of the second information is lower than the importance of the first information. A control unit 41 is mounted on the vehicle 1 instead of the control unit 16 according to the first embodiment. In addition to the control unit according to the first embodiment, the vehicle may be equipped with a control unit of the control device according to the present embodiment.

As an example, the control unit 41 has a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an input interface, and an output interface, similarly to the control unit 16 according to the first embodiment. It is preferable that the electronic components such as the above and the electric circuit in which the electronic components are arranged are included. However, the control unit is not limited to this.

Further, as shown in FIGS. 10 and 11, when the control unit 41 arranges the first compartment E1 around the second compartment E2 so as to be separated from the second compartment E2, the importance of the first and second information is important. The third shortest distance I between the first and second compartments E1 and E2 is set according to the difference in degree. The control unit 41 may also be configured to set the shortest distance I between the first and second compartments E1 and E2 as the difference in importance of the first and second information increases. In addition, in FIG. 10 and FIG. 11, the outline of the first section E1 is shown by a broken line, and the outline of the second section E2 is shown by a thick line. Further, in FIGS. 10 and 11, the traveling direction of the vehicle 1 on the display unit 15, that is, the forward direction is indicated by an arrow F, and the vehicle width direction on the display unit 15 is indicated by an arrow W.

"Details of display control device"
The details of the display control device 40 according to the present embodiment will be described with reference to FIGS. 9 to 11. As shown in FIGS. 10 and 11, the control device 40 may be configured to display information of an in-vehicle information providing device such as a car navigation device or the like.

Here, regarding the first information, the own vehicle information is information on the traveling speed of the vehicle 1, information on the shift stage of the vehicle 1, and the like. In addition, the above peripheral information includes road sign information, road guidance information, travel route information, and the like. The travel path information includes information on the travel path itself, information on other vehicles traveling around the vehicle 1, information on the vehicle itself due to a breakdown or accident, information on obstacles, and the like. The second information is traffic information such as traffic jam information, breakdown or accident vehicle occurrence information, disaster prediction information, weather information, time information, and the like.

The importance of the information may be weighted based on the viewpoint of safe driving of the vehicle 1. In particular, the importance of information may be weighted based on the safe driving of the vehicle 1 and the urgency of the information required for this safe driving. As an example, the importance of the above-mentioned information is reduced in the order of traveling speed information, road sign information, shift stage information, driving route information, route guidance information, traffic information, weather information, and time information. Can be set. Further, the importance of the travel road information can be set to decrease in the order of obstacle information, other vehicle information, failure or accident vehicle itself information, and travel road information. The importance of traffic information can be set to decrease in the order of disaster prediction information, breakdown or accident vehicle occurrence information, and traffic congestion information. In this case, the difference in importance between the traveling speed information and the time information is larger than the difference in importance between the road sign information and the disaster prediction information. However, the importance of information is not limited to these.

A plurality of first images are continuously projected on the first section E1. A plurality of second images are continuously projected on the second section E2. The first and second images show the first and second information of at least one of the vehicle information and the vehicle surrounding information by characters, symbols, illustrations, photographs, and the like, respectively. However, the first and second images are not limited to these. For example, the first or second image may be similar to the first or second image according to the first embodiment.

Next, as shown in FIG. 9, the control device 40 has rear and front imaging units 11 and 12 and a display unit 15 as in the first embodiment. The control device 40 has a rear millimeter wave radar 42 instead of the rear sonar sensor 17 of the first embodiment, and the control device 40 also has a front millimeter wave radar 43 instead of the front sonar sensor 18 of the first embodiment. .. In the present embodiment, the traveling direction of the vehicle 1 is the forward direction of the vehicle 1. That is, the front region located on the front side of the vehicle 1 is the traveling region A located on the traveling direction side of the vehicle 1. Therefore, when the vehicle 1 moves forward, the front imaging unit 12 images the traveling region A, and the forward millimeter-wave radar 43 detects the obstacle R in the traveling region A, and the traveling region A with respect to the vehicle 1 Identify the location of the obstacle R. However, the present invention is not limited to this, and the rear region can be used as the traveling region. In this case, the traveling direction of the vehicle is the backward direction of the vehicle, and when the vehicle is retracted, the rear imaging unit moves to the traveling region, and the rear millimeter wave radar detects an obstacle in the traveling region and advances to the vehicle. Identify the location of obstacles in the area.

Further, the control device 40 has an information collecting unit 44 including rear and front imaging units 11 and 12, left and right side imaging units 13 and 14, and rear and front millimeter wave radars 42 and 43. The information collecting unit 44 can collect basic information for obtaining the first and second information. The control device 40 also has an operation unit 45 for instructing the driver to start the navigation mode for displaying the first and second compartments E1 and E2 on the display unit 15. The operation unit 45 may be a mechanical button, a button on the touch panel, a switch (for example, an ignition switch, etc.) or the like.

"Details of the control unit"
The control unit 41 may be configured as follows in detail. As shown in FIG. 9, the control unit 41 has a navigation determination unit 51 that determines whether or not the driver has operated the operation unit 45 so as to instruct the start of the navigation mode. The control unit 41 also has a navigation mode instruction unit 52 that starts the navigation mode when it is determined by the navigation determination unit 51 that the start of the navigation mode is instructed.

The navigation mode may be switchable to the parking display mode as shown in the first embodiment. Further, the navigation mode may be started when the traveling direction of the vehicle 1 is the forward direction or when the vehicle 1 is stopped. However, the navigation mode can also be started when the vehicle is traveling in the backward direction.

The control unit 41 is based on the first image generation unit 53 configured to generate the first image based on the first information obtained by the information collection unit 44 and the second information obtained by the information collection unit 44. It has a second image generation unit 54 configured to generate a second image. The control unit 41 acquires the first image acquisition unit 55 configured to acquire the first image generated by the first image generation unit 53 and the second image generated by the second image generation unit 54. It has a second image acquisition unit 56 configured as described above.

The control unit 41 has a first image projection unit 57 configured to project the first image acquired by the first image acquisition unit 55 on the first section E1 and a second image to be projected on the second section E2. It has a second image projection unit 58 that is configured.

The control unit 41 is configured to set the size of the first section size setting unit 59 configured to set the size of the first section E1 in the display unit 15 and the size of the second section E2 in the display unit 15. It has a second section size setting unit 60. The first section size setting unit 59 is configured to set the first section E1 to a predetermined size, and the second section size setting unit 60 sets the second section E2 to a predetermined size. It is configured as follows.

The control unit 41 has a partition position setting unit 61 configured to set the positions of the first and second compartments E1 and E2 on the display unit 15. When the section position setting unit 61 arranges the first section E1 around the second section E2 so as to be separated from the second section E2, the importance of the first information regarding the first image projected on the first section E1 is important. It has a first importance calculation unit 61a for calculating the degree and a second importance calculation unit 61b for calculating the importance of the second information regarding the second image projected on the second section E2. The section position setting unit 61 has an important difference calculation unit 61c configured to calculate the difference in importance of the first and second information calculated by the first and second importance calculation units 61a and 61b, respectively. ..

The section position setting unit 61 calculates the shortest distance I between the first and second sections E1 and E2 according to the difference in the importance of the first and second information calculated by the important difference calculation unit 61c. It has the shortest distance calculation unit 61d to be configured. In particular, the shortest distance calculation unit 61d may set the shortest distance I between the first and second compartments E1 and E2 to be larger as the difference in importance of the first and second information is larger. On the other hand, the shortest distance calculation unit 61d has the first and second compartments E1 and E2 so that the smaller the difference in importance of the first and second information, the less than the lower limit value I0 of the predetermined shortest distance I. The shortest distance I between them may be set small. The lower limit value I0 of the shortest distance I is preferably larger than 0 (zero) mm. The section position setting unit 61 has a position determining unit 61e configured to determine the positions of the first and second sections E1 and E2 based on the shortest distance I set by the shortest distance calculating unit 61d.

The control unit 41 also has a first compartment display instruction unit 62 configured to display the first compartment E1 set as described above on the display unit 15, and a second compartment E2 set as described above. It has a second section display instruction unit 63 configured to be displayed on the display unit 15.

"About the control method of the display control device"
An example of a control method of the display control device 40 according to the present embodiment will be described with reference to FIG. First, the control device 40 is in an initial state other than the navigation mode (step S11). It is determined whether or not the driver has instructed to start the navigation mode (step S12). When the driver has not instructed to start the navigation mode (NO), the control device 40 is maintained in the initial state (step S11).

When the driver instructs the start of the navigation mode (YES), the control device 40 is changed from the initial state to the navigation mode (step S13). The first image based on the first information is acquired (step S14). A second image based on the second information different from the first information is acquired (step S15). When the first section E1 that displays the first image is arranged so as to be separated from the second section E2 around the second section E2 that displays the second image, the first and second information regarding the first and second images, respectively. The difference in importance of is calculated (step S16). The shortest distance I between the first and second compartments E1 and E2 on which the first and second images are projected is set according to the difference in the importance of the first and second information (step S17). At this time, the larger the difference in the importance of the first and second information, the larger the shortest distance I between the first and second compartments E1 and E2 may be set. Based on such a setting, the first and second compartments E1 and E2 are displayed on the display unit 15 (step S18).

As described above, in the display control device 40 according to the present embodiment, the first section E1 for displaying the first image based on the first information which is the information of the vehicle 1 itself or the information around the vehicle 1 is different from this first information. At the same time, the second section E2, which displays the second image based on the second information, which is less important than the first information, is displayed separately according to the difference in the importance of the first and second information. Therefore, the relative positional relationship between the first and second compartments E1 and E2 can be appropriately set so as to be easily seen by the driver. In particular, the first section E1 related to the first information, which is more important than the second information, can be appropriately displayed so as to be easily seen by the driver. Therefore, on the display unit 15 capable of displaying at least two sections, particularly the first and second sections E1 and E2, each section, particularly each section E1 and E2, is appropriately set according to the driver's need. Can be displayed.

In the display control device 40 according to the present embodiment, the larger the difference in the importance of the first and second information, the more important the first information than the second information is. Display far away from. Therefore, the first section E1 can be appropriately displayed so as to be easily seen by the driver.

Although the embodiments of the present invention have been described so far, the present invention is not limited to the above-described embodiments, and the present invention can be modified and modified based on the technical idea thereof.

1 ... Vehicle, 2 ... Vehicle interior 10, 40 ... Vehicle display control device (display control device, control device), 11 ... Rear imaging unit (imaging unit), 12 ... Front imaging unit (imaging unit), 13 ... Left side Imaging unit (side imaging unit, imaging unit), 14 ... right side imaging unit (side imaging unit, imaging unit), 15 ... display unit, 16, 41 ... control unit D1, E1 ... first section, D2, E2 ... Second section A ... Travel area, P ... Parking area, Q ... Planned area, R ... Obstacle, P1, Q1, R1 ... Outer edge line L ... Obstacle distance, H1 ... First shortest distance, H2 ... Second Shortest distance, I ... Shortest distance

Claims (6)

An imaging unit mounted on a vehicle and capable of imaging the peripheral area of the vehicle,
A display unit that is arranged in the interior of the vehicle and is configured to be able to display an image,
The display is such that a first section mounted on the vehicle and displaying a first image captured by the imaging unit and a second section displaying a second image different from the first image are displayed on the display unit. It is equipped with a control unit that controls the unit.
A vehicle display control device in which the control unit is configured to be able to identify a parking area in which the vehicle is parked or a planned travel area in which the vehicle is to be advanced on the first image.
The control unit displays the second section on the display unit on the side opposite to the position of the vehicle with reference to the outer edge line of the parking area or the planned traveling area reflected in the first section. Display control device for vehicles, which is configured in. The vehicle display control device according to claim 1, wherein the control unit is configured to display the second section away from the outer edge line of the parking area or the planned progress area on the display unit. .. The control unit is configured to be able to identify the outer edge of an obstacle located within a predetermined distance from the vehicle.
The control unit is configured to display the second section on the display unit on the side opposite to the position of the vehicle with reference to the outer edge line of the obstacle projected on the first section. , The display control device for a vehicle according to claim 1 or 2. The control unit is configured to display the second section away from the outer edge line of the parking area or the planned progress area and the outer edge line of the obstacle on the display unit.
When the parking area or the planned traveling area deviates from the obstacle in the traveling direction and the vehicle width direction of the vehicle, the shortest distance between the second section and the outer edge line of the obstacle is determined. The vehicle display control device according to claim 3, wherein the distance is larger than the shortest distance between the second section and the outer edge line of the parking area or the planned traveling area. A display unit that is placed inside the vehicle and is configured to be able to display images,
The first section, which is mounted on the vehicle and displays the first image based on the information of the vehicle itself or the information around the vehicle, and the first information are different from the first information and more important than the first information. A display control device for a vehicle including a control unit that controls the display unit so that a second section for displaying a second image based on low-degree second information is displayed on the display unit.
When the control unit is arranged around the second compartment so as to be separated from the second compartment, the first and second compartments are arranged according to the difference in importance of the first and second information. A display control device for vehicles configured to set the shortest distance between two compartments. The vehicle display control device according to claim 5, wherein the control unit is configured to set the shortest distance larger as the difference in importance increases.