JP2005199844A - Driving assistance device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a driving assistance device substantially not narrowing a forward visible region passed through a front window glass at a driver's side. <P>SOLUTION: A fixed glass 3 arranged at a vehicle side portion adjacent to a front pillar 2 is provided with a prism 1. This prism 1 comprises an incidence portion 7 arranged outside the vehicle and having an incidence plane 7a to cause light from a blind corner in front of the front pillar 2 to enter it and an output portion 8 having an output plane 8a arranged at a compartment side to cause light entering at the incidence plane 7a to be outputted toward a driver's seat. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a driving support device that supports a driver's forward visual recognition.

For example, Patent Document 1 discloses an apparatus that eliminates a blind spot in a field of view by a front pillar of a vehicle using a mirror or the like. In this device, two mirrors are arranged side by side on the vehicle interior side of the front window glass near the front pillar, and reflected by the two mirrors so that the driver can see the virtual image of the blind spot.
JP 2001-4925 A

However, the conventional apparatus has a problem in that the two mirrors installed inside the front window glass block a part of the field of view and narrow the front viewable region through the driver's front window glass. .
Therefore, the present invention provides a driving support device that does not substantially narrow the forward viewable region through the front window glass of the driver.

In order to solve the above-mentioned problems, the invention according to claim 1 is directed to a fixed glass (for example, an embodiment to be described later) provided on a vehicle side portion adjacent to a front pillar (for example, the front pillar 2 in Embodiment 1 to be described later). 1 (fixed glass 3 in FIG. 1) is provided with a prism (for example, prism 1 in Example 1 to be described later), and this prism is disposed on the outside of the vehicle and receives incident light from a blind spot in front of the front pillar (for example, In addition, an incident part 7 in Example 1 described later, and an emission part (for example, an emission part 8 in Example 1 described later) that is arranged on the vehicle interior side and emits light incident from the incident part toward the driver's seat. A driving support apparatus comprising:
With this configuration, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image via the prism. Further, since the prism is provided on the fixed glass, the area where the driver can visually recognize the front through the front window glass is not reduced.

The invention according to claim 2 is a fixed glass (for example, fixed glass 13A in Example 2 described later) provided on the side of the vehicle adjacent to the front pillar (for example, front pillars 11A and 11B in Example 2 described later). 13B) and a first mirror (for example, second in Example 2 described later) provided on the outer surface of a stay (for example, stay 15 in Example 2 described later) of a door mirror (for example, door mirror 10A, 10B in Example 2 described later). 1 mirrors 21A and 21B) and a second mirror (for example, second mirrors 22A and 22B in Example 2 described later) provided along the passenger compartment surface of the front pillar, from a blind spot in front of the front pillar. The light incident on the first mirror passes through the fixed glass, is reflected by the second mirror, and exits toward the driver seat. It is the driving support device according to claim to 1 mirror and the second mirror is installed.
By configuring in this way, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror. In addition, since the first mirror is provided on the outer surface of the stay of the door mirror and the second mirror is provided along the passenger compartment surface of the front pillar, it is possible to narrow the front viewable region through the front window glass of the driver. Absent.

The invention according to claim 3 includes a first mirror (for example, first mirrors 31A and 31B in Example 3 described later) provided in the vicinity of the center pillar (for example, center pillars 33A and 33B in Example 3 described later), A second mirror (e.g., second mirror 32A, 32B in Example 3 described later) provided along the passenger compartment surface of the front pillar (e.g., front pillars 34A, 34B in Example 3 described later), After the light incident on the vehicle interior after passing through the blind spot in front of the front pillar through the glass on the side of the driver's seat (for example, the door window glass 36A, 36B in Example 3 described later) is reflected by the first mirror, The driving support is characterized in that the first mirror and the second mirror are installed so as to be reflected by the second mirror and emitted toward the driver's seat. It is a device.
With this configuration, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror. Further, since the first mirror is provided in the vicinity of the center pillar and the second mirror is provided along the passenger compartment surface of the front pillar, the forward viewable region through the driver's front window glass is not reduced. .

The invention according to claim 4 includes first mirrors (for example, first mirrors 41A and 41B in Example 4 to be described later) provided in front of a roof in the vehicle interior (for example, roof 43 in Example 4 to be described later), A second mirror (e.g., second mirror 42A, 42B in Example 4 described later) provided along the passenger compartment surface of the front pillar (e.g., front pillar 44A, 44B in Example 4 described later), Light that has passed through the front window glass (for example, the front window glass 47 in Example 4 to be described later) from the blind spot ahead of the front pillar and entered the vehicle interior is reflected by the first mirror and then reflected by the second mirror. Then, the first mirror and the second mirror are installed so as to emit in the direction of the driver's seat.
With this configuration, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror. In addition, since the first mirror is provided at the front part of the roof and the second mirror is provided along the passenger compartment surface of the front pillar, the area where the driver can visually recognize the front through the front window glass is substantially narrowed. There is nothing.

According to a fifth aspect of the present invention, there is provided a first mirror (for example, a first mirror 71 in Example 5 described later) provided on an instrument panel (for example, an instrument panel 73 in Example 5 described later) in the vehicle interior. And a second mirror (for example, a second mirror 72 in Example 5 described later) provided along the vehicle interior surface of the front pillar (for example, front pillar 74 in Example 5 described later), The light passing through the front window glass (for example, the front window glass 77 in Example 5 to be described later) from the blind spot and entering the vehicle interior is reflected by the first mirror and then reflected by the second mirror. The driving support device is characterized in that the first mirror and the second mirror are installed so as to emit in the seat direction.
With this configuration, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror. In addition, since the first mirror is provided at the upper part of the instrument panel and the second mirror is provided along the passenger compartment surface of the front pillar, a substantially visible area through the front window glass of the driver is substantially reduced. There is no narrowing.

According to the sixth aspect of the invention, the front part of the roof in the vehicle interior (for example, the roof 53 in Example 6 described later) and the front pillar (for example, the front pillars 54A and 54B in Example 6 described later) along the vehicle interior surface. The prisms (for example, prisms 51A and 51B in Example 6 described later) are provided, and the prisms are arranged on the front portion of the roof, and the front window glass (for example, Example 6 described later) from the blind spot in front of the front pillar. The incident part (for example, incident part 55 in Example 6 to be described later) on which light transmitted through the front window glass 57 in FIG. 5 enters, and the light incident from the incident part arranged along the passenger compartment surface of the front pillar And an emission part (e.g., an emission part 56 in Example 6 to be described later) That is a driving support device.
With this configuration, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image via the prism. Further, since the prism is provided along the front part of the roof and the passenger compartment surface of the front pillar, the front viewable region through the front window glass of the driver is not substantially narrowed.

The invention according to claim 7 is directed to the front pillar (for example, front pillars 64A and 64B in Example 7 described later) side of the front window glass (for example, front window glass 67 in Example 7 described later) on the front pillar front side. Provided with a Fresnel lens device (for example, Fresnel lens devices 60A and 60B in Example 7 to be described later) for converging light incident on the passenger compartment through the front window glass from the blind spot portion in the direction of the driver's seat. Driving assistance device.
With this configuration, the driver can visually recognize the visual information of the blind spot ahead of the front pillar as a virtual image through the Fresnel lens. Further, by setting the refractive index to a predetermined value, the Fresnel lens can secure a wide-angle visual recognition area, and does not narrow the front visual recognition area through the driver's front window glass.

  According to the first aspect of the present invention, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image through the prism, so that the blind spot due to the front pillar can be eliminated. Further, since the prism is provided on the fixed glass and does not narrow the forward viewable region through the driver's front window glass, no new blind spot is generated by providing the driving support device.

  According to the second aspect of the invention, the driver can visually recognize the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror, so that the blind spot due to the front pillar can be eliminated. . Further, the first mirror is provided on the outer surface of the stay of the door mirror, and the second mirror is provided along the passenger compartment surface of the front pillar, so that the area that can be visually recognized through the front window glass of the driver is not reduced. Therefore, a blind spot does not newly arise by providing a driving assistance device.

  According to the invention of claim 3, the driver can visually recognize the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror, so that the blind spot due to the front pillar can be eliminated. . In addition, the first mirror is provided in the vicinity of the center pillar, and the second mirror is provided along the passenger compartment surface of the front pillar, so that the forward viewable area through the driver's front window glass is not reduced. By providing the driving support device, no blind spots are newly generated.

  According to the fourth aspect of the invention, the driver can visually recognize the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror, so that the blind spot due to the front pillar can be eliminated. . Further, the first mirror is provided at the front part of the roof, and the second mirror is provided along the passenger compartment surface of the front pillar, so as to substantially narrow the front viewable region through the front window glass of the driver. Therefore, a blind spot is not newly generated by providing the driving support device.

  According to the fifth aspect of the invention, the driver can visually recognize the blind spot in front of the front pillar as a virtual image through the first mirror and the second mirror, so that the blind spot due to the front pillar can be eliminated. . In addition, the first mirror is provided on the upper part of the instrument panel, and the second mirror is provided along the passenger compartment surface of the front pillar, and substantially narrows the forward viewable region through the windshield of the driver. Since there is nothing, a blind spot is not newly generated by providing the driving support device.

  According to the sixth aspect of the present invention, the driver can visually recognize the visual information of the blind spot in front of the front pillar as a virtual image through the prism, so that the blind spot due to the front pillar can be eliminated. Also, the prism is provided along the front part of the roof and the passenger compartment surface of the front pillar, and does not substantially narrow the front viewable region through the driver's front window glass. This will not cause any new blind spots.

  According to the seventh aspect of the invention, the driver can visually recognize the blind spot in front of the front pillar as a virtual image through the Fresnel lens, so that the blind spot caused by the front pillar can be eliminated. In addition, by setting the refractive index to a predetermined value, the Fresnel lens can secure a wide-angle visual recognition area and does not narrow the front visual recognition area through the driver's front window glass. By providing it, there is no new blind spot.

  Embodiments of a driving support apparatus according to the present invention will be described below with reference to the drawings of FIGS.

First, Embodiment 1 of the driving support apparatus according to the present invention will be described with reference to the drawings of FIGS.
The driving support apparatus in the first embodiment includes a prism 1, and this prism 1 is provided on a fixed glass 3 provided on the side of the vehicle adjacent to the front pillar 2 of the vehicle V. The fixed glass 3 is provided between the front pillar 2 and the front quarter pillar 4 and has a substantially triangular shape. A rearview mirror 5 is attached to the outside of the front quarter pillar 4. In the fixed glass 3, a prism insertion hole 6 is provided at a corner near the rearview mirror 5, and the prism 1 is inserted and fixed in the prism insertion hole 6.

  As shown in FIG. 2, the prism 1 is disposed on the vehicle compartment side in close contact with the fixed glass 3 and the incident portion 7 that is inserted from the vehicle compartment side into the prism insertion hole 6 of the fixed glass 3 and protrudes to the vehicle exterior side. It is comprised from the output part 8. FIG. The incident portion 7 has a vehicle front side as an incident surface 7a and a vehicle rear side inner surface as a total reflection surface 7b. The emission part 8 has a vehicle front side inner surface as a total reflection surface 8b and a vehicle rear side as an emission surface 8a. The emission part 8 is positioned so as to overlap the front pillar 2 when viewed from the driver's seat side.

  As shown in FIG. 3, the prism 1 causes light from the front of the front pillar 2 that is a blind spot of the driver to enter from the incident surface 7 a. The light incident on the prism 1 from the incident surface 7a is reflected by the total reflection surface 7b of the incident portion 7 and proceeds to the total reflection surface 8b of the emission portion 8, and further reflected by the total reflection surface 8b and from the emission surface 8a. Exit in the direction of the driver's seat. In FIG. 3, the symbol E is the driver's eye point. As a result, the driver can visually recognize the blind spot in front of the front pillar 2 as an erect virtual image through the prism 1, and can eliminate the blind spot caused by the front pillar 2. Moreover, since the prism 1 is attached to the fixed glass 3, the forward viewable area through the driver's front window glass 9 is not reduced. Therefore, the provision of the prism 1 does not cause a new blind spot.

1 and 2, the prism 1 provided on the fixed glass 3 on the driver's seat side has been described. However, a prism is also provided on the fixed glass on the passenger seat (not shown), and the passenger seat side is provided via this prism. The driver can recognize the visual information of the blind spot of the front pillar.
Further, when the prism 1 is divided into the incident part 7 and the emission part 8 and the fixed glass 3 is sandwiched between the incident part 7 and the emission part 8, it is not necessary to provide the prism insertion hole 6 in the fixed glass 3. .

Next, a second embodiment of the driving support apparatus according to the present invention will be described with reference to the drawings of FIGS.
As shown in FIGS. 4 and 5, the driving support device according to the second embodiment includes first mirrors 21 </ b> A and 21 </ b> B provided on the door mirrors 10 </ b> A and 10 </ b> B on the driver's seat side and the passenger seat side of the vehicle V (the driver seat in FIG. 5). The first mirror 21A on the side is omitted for convenience of illustration), and the passenger side and front passenger side front pillars 11A, 11B are provided along the passenger compartment side surface (hereinafter abbreviated as the passenger compartment surface). 2 mirrors 22A and 22B.

Further, substantially triangular fixed glasses 13A and 13B are provided between the front pillars 11A and 11B and the front quarter pillars 12A and 12B on the driver seat side and the passenger seat side of the vehicle V, respectively. That is, fixed glass 13A, 13B is provided in the vehicle side part adjacent to front pillar 11A, 11B.
The second mirrors 22A and 22B are formed of concave mirrors, and are attached to the vehicle interior surfaces of the front pillars 11A and 11B in the areas where the fixed glasses 13A and 13B are provided, respectively, and the mirror surfaces are directed to the vehicle interior.
The door mirrors 10A and 10B are respectively disposed on the sides of the front quarter pillars 12A and 12B in a state where the doors 14A and 14B on the driver's seat side and the passenger seat side are closed, and the first mirrors 21A and 21B are The door mirrors 10A and 10B are provided on the outer surface on the vehicle front side of the stay 15 and the mirror surfaces thereof are directed forward of the vehicle.

  In this driving support device, as shown in FIGS. 6 and 7, light incident on the first mirror 21A from the front of the front pillar 11A on the driver's seat, which is a blind spot of the driver D, passes through the fixed glass 13A. The mounting posture of the first mirror 21A and the second mirror 22A is set so as to be reflected by the second mirror 22A and emitted toward the driver's seat. Further, the light incident on the first mirror 21B from the front of the front pillar 11B on the passenger seat side, which is the blind spot of the driver D, passes through the fixed glass 13B, is reflected by the second mirror 22B, and is emitted toward the driver seat. In addition, the mounting posture of the first mirror 21B and the second mirror 22B is set.

  Therefore, the driver D can visually recognize the visual information of the blind spot ahead of the front pillar 11A on the driver's seat as an upright virtual image through the first mirror 21A and the second mirror 22A, and the blind spot by the front pillar 11A can be seen. It can be lost. Further, the driver D can visually recognize the blind spot in front of the front pillar 11B on the passenger seat side as an upright virtual image through the first mirror 21B and the second mirror 22B, and the blind spot by the front pillar 11B can be seen. It can be lost.

  Moreover, since the first mirrors 21A and 21B are provided on the outer surface of the stay 15 of the door mirrors 10A and 10B, and the second mirrors 22A and 22B are provided along the passenger compartment surface of the front pillars 11A and 11B, the driver D The area where the front view is possible through the front window glass 16 is not reduced. Therefore, a blind spot is not newly generated by providing the first mirrors 21A and 21B and the second mirrors 22A and 22B.

  In the second embodiment, the second mirrors 22A and 22B are directly provided on the front pillars 11A and 11B. However, the second mirrors 22A and 22B are attached to a support member provided on an instrument panel or the like, and the front pillar 11A is attached. , 11B can also be arranged along the passenger compartment surface. In addition, the first mirrors 21A and 21B are attached to the door mirrors 10A and 10B through ball joints or the like so that the posture can be changed, and the second mirrors 22A and 22B are attached to the front pillars 11A and 11B through the ball joints or the like. It may be attached so that it can be changed, and the attachment postures of the first mirrors 21A, 21B and the second mirrors 22A, 22B may be adjustable according to the eye point of the driver D.

Next, a third embodiment of the driving support apparatus according to the present invention will be described with reference to the drawings of FIGS.
As shown in FIGS. 8 and 9, the driving support device according to the third embodiment includes first mirrors 31 </ b> A and 31 </ b> B provided on the center pillars 33 </ b> A and 33 </ b> B on the driver seat side and the passenger seat side of the vehicle V, and the driver seat side. And second mirrors 32A and 32B provided along the passenger compartment surface of the front pillars 34A and 34B on the passenger seat side.
The first mirrors 31A and 31B are formed of convex mirrors, and the mirror surfaces are directed forward of the vehicle. The second mirrors 32A and 32B are formed of concave mirrors, and are respectively attached to the lower passenger compartment surfaces of the front pillars 34A and 34B with the mirror surfaces facing the passenger compartment.

  In this driving support device, as shown in FIGS. 10 and 11, the first mirror 31A passes through the door window glass 36A of the driver's seat door 35A from the front of the driver's seat side front pillar 34A, which is the blind spot of the driver D. Of the first mirror 31A and the second mirror 32A so that the light incident on the first mirror 31A is reflected by the first mirror 31A and incident on the second mirror 32A, and further reflected by the second mirror 32A and emitted toward the driver seat. The mounting posture is set. In addition, light that has passed through the door window glass 36B of the passenger seat door 35B and entered the first mirror 21B from the front of the front pillar 34B on the passenger seat side, which is the blind spot of the driver D, is reflected by the first mirror 31B. The mounting postures of the first mirror 31B and the second mirror 32B are set so as to be incident on the second mirror 32B, further reflected by the second mirror 32B, and emitted toward the driver seat.

  Accordingly, the driver D can visually recognize the blind spot in front of the front pillar 34A on the driver's seat side as an upright virtual image through the first mirror 31A and the second mirror 32A, and the blind spot by the front pillar 34A can be viewed. It can be lost. Further, the driver D can visually recognize the blind spot in front of the front pillar 34B on the passenger seat side as an upright virtual image through the first mirror 31B and the second mirror 32B, and the blind spot by the front pillar 34B can be seen. It can be lost.

  Moreover, since the first mirrors 31A and 31B are provided on the center pillars 33A and 33B and the second mirrors 32A and 32B are provided along the passenger compartment surface of the front pillars 34A and 34B, the front window glass of the driver D is provided. The forward viewable area through 37 is not narrowed. Accordingly, the provision of the first mirrors 31A and 31B and the second mirrors 32A and 32B does not cause a new blind spot.

The first mirrors 31A and 31B may not be provided directly on the center pillars 33A and 33B as long as they are provided in the vicinity of the center pillars 33A and 33B. For example, the first mirrors 31A and 31B are attached to the center pillars 33A and 33B via support arms. Also good. In the third embodiment, the second mirrors 32A and 32B are directly provided on the front pillars 34A and 34B. However, the second mirrors 32A and 32B are attached to a support member provided on an instrument panel or the like, and the front pillar 34A is attached. , 34B can be arranged along the passenger compartment surface.
Further, the first mirrors 31A and 31B are attached to the center pillars 33A and 33B through ball joints or the like so that the posture can be changed, and the second mirrors 32A and 32B are attached to the front pillars 34A and 34B through the ball joints or the like. It may be attached so that the posture can be changed, and the attachment postures of the first mirrors 31A and 31B and the second mirrors 32A and 32B can be adjusted according to the eye point of the driver D.

Next, a fourth embodiment of the driving support apparatus according to the present invention will be described with reference to the drawings of FIGS.
As shown in FIG. 12, the driving support device according to the fourth embodiment includes first mirrors 41 </ b> A and 41 </ b> B provided on the driver seat side and the passenger seat side in the front portion of the roof 43 in the vehicle V interior, and the driver seat side. And second mirrors 42A and 42B provided along the passenger compartment surface of the front pillars 44A and 44B on the passenger seat side.

The first mirrors 41A and 41B are provided at the front portion of the roof 43 and in the vicinity of the upper edge of the front window glass 47, and are substantially center portions in the vehicle width direction of the sun visors 45A and 45B on the driver seat side and the passenger seat side. It is installed in the position that overlaps. However, the sun visors 45A and 45B are provided with notches 46 so that the first mirrors 41A and 41B do not interfere with the sun visors 45A and 45B when the sun visors 45A and 45B are rotated up and down.
The first mirrors 41A and 41B are formed of convex mirrors, and the mirror surfaces are directed to the front of the front pillars 44A and 44B. The second mirrors 42A and 42B are formed of concave mirrors, and are respectively attached to the lower passenger compartment surfaces of the front pillars 44A and 44B with the mirror surfaces facing the passenger compartment.

  In this driving support device, as shown in FIG. 13, the light that has passed through the front window glass 47 and entered the first mirror 41A from the front of the front pillar 44A on the driver's seat, which is the blind spot of the driver D, is incident on the first mirror 41A. The mounting postures of the first mirror 41A and the second mirror 42A are set so as to be reflected by the first mirror 41A and incident on the second mirror 42A, and further reflected by the second mirror 42A and emitted toward the driver seat. . Further, the light that has passed through the front window glass 47 and entered the first mirror 41B from the front of the front pillar 44B on the passenger seat side, which is the blind spot of the driver D, is reflected by the first mirror 41B and is reflected on the second mirror 42B. The mounting postures of the first mirror 41B and the second mirror 42B are set so as to be incident, further reflected by the second mirror 42B, and emitted toward the driver seat.

  Therefore, the driver D can visually recognize the blind spot in front of the front pillar 44A on the driver's seat as a standing upright virtual image through the first mirror 41A and the second mirror 42A, and the blind spot by the front pillar 44A can be seen. It can be lost. In addition, the driver D can visually recognize the visual information of the blind spot ahead of the front pillar 44B on the passenger seat side as an upright virtual image via the first mirror 41B and the second mirror 42B. It can be lost.

  In addition, since the second mirrors 42A and 42B are provided along the passenger compartment surface of the front pillars 44A and 44B, the forward viewable region through the front window glass 47 of the driver D is not reduced. Further, since the first mirrors 41A and 41B are provided at the front portion of the roof 43, even if a part of the upper edge of the front window glass 47 is slightly blocked, the front through the front window glass 47 of the driver D is passed. It does not substantially narrow the viewable area. Accordingly, the provision of the first mirror 41A, 41B and the second mirror 42A, 42B does not cause a new blind spot.

  In the fourth embodiment, the second mirrors 42A and 42B are directly provided on the front pillars 44A and 44B. However, the second mirrors 42A and 42B are attached to a support member provided on an instrument panel or the like, and the front pillars 44A are attached. , 44B can be arranged along the vehicle compartment surface. Also, the first mirrors 41A and 41B can be attached to the roof 43 via a ball joint or the like so that the posture can be changed, and the second mirrors 42A and 42B can be changed to the passenger compartment surface of the front pillars 44A and 44B via the ball joint or the like. The mounting posture of the first mirror 41A, 41B and the second mirror 42A, 42B may be adjustable according to the eye point of the driver D.

Next, a fifth embodiment of the driving support apparatus according to the present invention will be described with reference to the drawing of FIG.
As shown in FIG. 14, the driving support device according to the fifth embodiment includes a first mirror 71 provided on the driver seat side upper portion of the instrument panel 73 of the vehicle V, and a vehicle interior surface of the front pillar 74 on the driver seat side. And a second mirror 72 provided along the line.

The first mirror 71 is disposed above the instrument panel 73 on the driver's seat side, and is movably provided on a guide member 75 installed on the upper surface of the instrument panel 73. The first mirror 71 is formed of a convex mirror, and the mirror surface is directed to the front of the front pillar 74 in the vehicle.
The second mirror 72 is attached to a posture adjusting device 80 installed on the driver's seat side of the instrument panel 73. The posture adjusting device 80 includes a base plate 81 fixed to the upper surface of the instrument panel 73, a leg column 82 provided upright on the base plate 81, an upper plate 83 fixed to the upper end of the leg column 82, and an axis. With the base plate 81 and the upper plate 83 being pivotably supported, a support arm 85 and an adjustment lever 86 fixed above and below the rotation shaft 84, and a base end of the base plate 81. A rotary arm 87 that is rotatably supported, a connecting arm 88 that has one end pivotally attached to the adjustment lever 86 and the other end pivotally attached to the rotary arm 87, and one end intermediate the rotary arm 87. And a spring 89 fixed to the portion.

A second mirror 72 made of a concave mirror is fixed to the support arm 85. The second mirror 72 is composed of three mirrors 72 a, 72 b, 72 c that are divided into three in the vertical direction corresponding to the inclination of the front pillar 74. The mirrors 72 a to 72 c are attached with their mirror surfaces facing the vehicle interior, and are arranged along the vehicle interior surface of the front pillar 74.
A shaft 90 is provided in a standing posture at the tip of the rotary arm 87, and the shaft 90 is rotatably connected to the back surface of the first mirror 71 on the one end 71 a side. The first mirror 71 has one end 71 a disposed on the rotating arm 87 and the other end 71 b placed on the guide member 75 described above. The other end 71 b of the first mirror 71 is disposed at the other end. The slide pin 71c provided on the back surface on the 71b side is moved on the guide member 75 while contacting the guide surface 75a of the guide member 75. For this purpose, the intermediate portion of the rotary arm 87 and the intermediate portion of the first mirror 71 are connected by the spring 89 described above, and the spring 89 biases the first mirror 71 in the direction of pressing the slide pin 71c against the guide surface 75a. doing.
In the posture adjustment device configured as described above, the second mirror 72 can be horizontally rotated by rotating the adjustment lever 86, and the first mirror 71 is rotated in conjunction with this rotation of the second mirror 72. It can be horizontally rotated in the same direction as the direction.

  In this driving support device, as indicated by a two-dot chain line in FIG. 14, the light that has passed through the front window glass 77 and entered the first mirror 71 from the front of the front pillar 74 on the driver's seat side that becomes the blind spot of the driver. However, the mounting posture of the first mirror 71 and the second mirror 72 is set so that the light is reflected by the first mirror 71 and incident on the second mirror 72 and further reflected by the second mirror 72 and emitted toward the driver's seat. Has been. Then, by rotating the adjustment lever 86, the mounting posture of the first mirror 71 and the second mirror 72 can be adjusted according to the driver's eye point.

Therefore, the driver can view the visual information of the blind spot ahead of the front pillar 74 on the driver's seat as an upright virtual image through the first mirror 71 and the second mirror 72, and eliminate the blind spot caused by the front pillar 74. be able to.
Moreover, since the first mirror 71 is provided on the upper portion of the instrument panel 73 and the second mirror 72 is provided along the passenger compartment surface of the front pillar 74, the front window glass 77 of the driver is passed. The forward viewable area is not narrowed. Accordingly, the provision of the first mirror 71 and the second mirror 72 does not cause a new blind spot.

  In FIG. 14, the driving support device on the driver's seat side has been described. However, a driving support device including a first mirror and a second mirror similar to those on the driver's seat side is also provided on the passenger seat side (not shown). The driver can recognize the blind spot visual information of the front pillar on the passenger side via the driver assistance device on the passenger side, and the blind spot by the front pillar on the passenger side can be eliminated. Yes.

  In the fifth embodiment, the second mirror 72 is provided along the passenger compartment surface of the front pillar 74 at a position spaced from the front pillar 74, but as in the fourth embodiment, the second mirror 72 is attached to the front pillar 74. It may be provided directly. In the fifth embodiment, the second mirror 72 is divided into the three mirrors 72a to 72c. However, similarly to the fourth embodiment, the second mirror 72 may be configured by one mirror without being divided.

Next, a sixth embodiment of the driving support apparatus according to the present invention will be described with reference to the drawings of FIGS.
As shown in FIGS. 15 and 16, the driving support device according to the sixth embodiment includes prisms 51 </ b> A and 51 </ b> B provided on the driver seat side and the passenger seat side in the passenger compartment of the vehicle V. Hereinafter, the prism 51A on the driver's seat side will be described in detail.
The prism 51A is disposed along the vehicle interior surface of the front pillar 54A, and the incident portion 55 disposed along the corner of the front 53 of the roof 53 in the vehicle interior and connected to the front pillar 54A on the driver's seat side. The incident part 55 and the emission part 56 are integrally formed.

FIG. 17 is an external perspective view of the prism 51A alone, and the incident portion 55 includes an incident surface 55a disposed close to and opposed to the front window glass 57 of the vehicle V, and light incident from the incident surface 55a. And a total reflection surface 55c that reflects the light reflected by the total reflection surface 55b and reflects the light downward along the front pillar 54A.
The emission unit 56 includes, at its lower end, a total reflection surface 56b that makes the light reflected by the total reflection surface 55c incident and reflects it in the direction of the driver's seat, and an emission surface 56a that emits the light reflected by the total reflection surface 56b. ing.
On the outer surface of the prism 51A excluding the entrance surface 55a and the exit surface 56a, a cover having a texture and color similar to the roof 53 and the front pillar 54A is attached.

  As shown in FIGS. 18 to 20, the prism 51 </ b> A causes light from the front of the front pillar 54 </ b> A on the driver's seat, which is a blind spot of the driver D, to enter from the incident surface 55 a through the front window glass 57. The light that has entered the prism 51A from the incident surface 55a is reflected by the total reflection surface 55b of the incident portion 55 and proceeds to the total reflection surface 55c, and is further totally reflected by the total reflection surface 55c and is totally reflected by the total reflection surface 56b of the emission portion 56. Then, the light is further reflected by the total reflection surface 56b and emitted from the emission surface 56a toward the driver's seat. As a result, the driver D can visually recognize the blind spot in front of the front pillar 54A on the driver's seat side as an upright virtual image via the prism 51A, and can eliminate the blind spot caused by the front pillar 54A.

  The prism 51B on the passenger seat side has a reverse relationship to the prism 51A on the driver seat side, but is basically configured in the same manner as the prism 51A on the driver seat side. Light from the front of the front pillar 54B on the passenger seat side, which is the blind spot of the driver D, is incident from the incident surface 55a of the prism 51B through the front window glass 57, and is reflected by the three total reflection surfaces in the prism 51B. Thereafter, the light exits from the exit surface 56a of the prism 51B toward the driver seat. As a result, the driver D can visually recognize the blind spot in front of the front pillar 54B on the passenger seat side as an upright virtual image via the prism 51B, and can eliminate the blind spot caused by the front pillar 54B.

  In addition, since the emission portions 56 of the prisms 51A and 51B are provided along the passenger compartment surface of the front pillars 54A and 54B, the forward viewable region through the front window glass 57 of the driver D is not reduced. Further, since the incident portions 55 of the prisms 51A and 51B are provided at the corners at the front portion of the roof 53, even if a part of the upper edge portion of the front window glass 57 is slightly blocked, the front window glass of the driver D The forward viewable area through 57 is not substantially narrowed. Therefore, no blind spots are newly generated by providing the prisms 51A and 51B.

Next, a seventh embodiment of the driving support apparatus according to the present invention will be described with reference to the drawings of FIGS.
As shown in FIG. 23, the driving support device in the seventh embodiment is a full-nel provided at the connecting portion between the front pillars 64 </ b> A and 64 </ b> B and the front window glass 67 on the driver seat side and the passenger seat side in the passenger compartment of the vehicle V. It consists of lens devices 60A and 60B. Hereinafter, the full-lens device 60A on the driver's seat side will be described in detail.

As shown in FIG. 21, the full-nel lens device 60 </ b> A is provided along the passenger compartment surface of the front pillar 64 </ b> A, and a part thereof is provided in close contact with the front window glass 67.
As shown in FIG. 22, the front pillar 64A has a closed cross-sectional structure including a front pillar outer 64a disposed on the vehicle outer side and a front pillar inner 64b disposed on the vehicle inner side, and a partition wall portion 64c is provided inside. Have. A front window glass 67 is attached to the front portion of the front pillar 64A via a weather strip 65, and a vehicle body-side weather strip (or seal) 66 is attached to the flange portion 64d of the rear portion of the front pillar 64A.

  The Furnell lens device 60A is disposed opposite to the first Fresnel lens 61 disposed along the vehicle interior side surface of the front window glass 67 in the vicinity of the front pillar 64A, and spaced from the first Fresnel lens 61 toward the vehicle interior. The second Fresnel lens 62 and a housing 63 that holds the first Fresnel lens 61 and the second Fresnel lens 62. The housing 63 includes a vehicle interior surface of the front pillar 64A, a vehicle body-side weather strip 66, and the like. It is fixed to the front window glass 67. The first Fresnel lens 61 has its flat surface side in contact with the front window glass 67, and the second Fresnel lens 62 has its flat surface side facing the vehicle compartment.

  As shown in FIGS. 22 and 23, in the Fresnel lens device 60A, the light from the front of the front pillar 64A on the driver's seat side, which is the blind spot of the driver D, passes through the front window glass 67 and passes through the first Fresnel lens. The light is incident on 61, is refracted by the first Fresnel lens 61, and diverges toward the second Fresnel lens 62 in the housing 63. Further, this light enters the second Fresnel lens 62, is refracted by the second Fresnel lens 62, and converges in the direction of the driver seat. As a result, the driver D can visually recognize the visual information of the blind spot ahead of the front pillar 64A on the driver's seat as an erect virtual image through the Fresnel lens device 60A, and can eliminate the blind spot caused by the front pillar 64A. . In FIG. 22, the symbol E is the eye point of the driver D.

  Further, in this Fresnel lens device 60A, as shown in FIG. 22, in the first Fresnel lens 61 and the second Fresnel lens 62, the refractive index on the side far from the front pillar 64A is reduced so that the light travels substantially straight without being refracted. Thus, since the refractive index is set to be larger toward the side closer to the front pillar 64A, a blind spot is not newly generated by providing the Fresnel lens device 60A. Further, even if the Fresnel lens device 60A is arranged along the passenger compartment side surface of the front window glass 67 in the vicinity of the front pillar 64A, the area where the driver D can visually recognize the front window through the front window glass 67 is not reduced. .

  The Fresnel lens device 60B on the passenger seat side is basically configured in the same manner as the Fresnel lens device 60A on the driver seat side, and as shown in FIG. 23, the driver D has the front pillar 64B on the passenger seat side. The visual information of the front blind spot can be viewed as an erect virtual image through the Fresnel lens device 60B, and the blind spot due to the front pillar 64B can be eliminated.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view of a driving assistance apparatus according to a first embodiment of the present invention as viewed from the outside of a vehicle. It is an external appearance perspective view which shows the state before attaching the driving assistance apparatus of the said Example 1. FIG. It is a figure which shows the path | route of the light in the driving assistance apparatus of the said Example 1. FIG. In the driving assistance apparatus of Example 2 which concerns on this invention, it is the external appearance perspective view which looked at the driving assistance apparatus by the side of a passenger seat from the vehicle exterior. FIG. 6 is an external perspective view of the driving support device on the driver's seat side as seen from the inside of the vehicle in the driving support device of the second embodiment. It is a top view which shows the path | route of the light in the driving assistance device of the said Example 2. It is a side view which shows the path | route of the light in the driving assistance device of the said Example 2. In the driving assistance apparatus of Example 3 which concerns on this invention, it is the external appearance perspective view which looked at the driving assistance apparatus by the side of a driver's seat from the vehicle inner side. It is an external appearance perspective view of the vehicle interior front part of the vehicle provided with the driving assistance device of the said Example 3. It is a top view which shows the path | route of the light in the driving assistance device of the said Example 3. It is a side view which shows the path | route of the light in the driving assistance device of the said Example 3. It is an external appearance perspective view of the vehicle interior provided with the driving assistance device of Example 4 concerning this invention. It is a top view which shows the path | route of the light in the driving assistance device of the said Example 4. In the driving support apparatus of Example 5 which concerns on this invention, it is the external appearance perspective view which looked at the driving assistance apparatus by the side of a driver's seat from the vehicle interior. It is an external appearance perspective view of the vehicle interior provided with the driving assistance device of Example 6 concerning this invention. It is an external appearance perspective view of the vehicle provided with the driving assistance device of the said Example 6. It is an external appearance perspective view of the prism simple substance which comprises the driving assistance device of the said Example 6. In the driving support device of Example 6, it is an external perspective view of the driving support device on the driver's seat side as viewed from the outside of the vehicle. It is a top view which shows the path | route of the light in the driving assistance device of the said Example 6. It is a side view which shows the path | route of the light in the driving assistance device of the said Example 6. In the driving support device of Example 7 which concerns on this invention, it is the external appearance perspective view which looked at the driving support device by the side of a driver's seat from the vehicle interior. It is a cross-sectional view of the driving assistance device of the seventh embodiment. It is a top view which shows the path | route of the light in the driving assistance device of the said Example 7.

Explanation of symbols

1 Prism (driving support device)
2 Front pillar 3 Fixed glass 7 Incident part 8 Output part 10A, 10B Door mirror 11A, 11B Front pillar 13A, 13B Fixed glass 15 Stay 21A, 21B First mirror (driving support device)
22A, 22B Second mirror (driving support device)
31A, 31B First mirror (driving support device)
32A, 32B Second mirror (driving support device)
33A, 33B Center pillar 34A, 34B Front pillar 36A, 36B Door window glass (glass)
41A, 41B first mirror (driving support device)
42A, 42B Second mirror (driving support device)
43 Roof 44A, 44B Front pillar 47 Front window glass 51A, 51B Prism (driving support device)
53 Roof 54A, 54B Front Pillar 55 Incident Portion 56 Exit Portion 57 Front Window Glass 60A, 60B Fresnel Lens Device (Driving Support Device)
64A, 64B Front pillar 67 Front window glass 71 First mirror (driving support device)
72 Second mirror (driving support device)
73 Instrument panel 74 Front pillar 77 Front window glass V Vehicle

Claims (7)

  A prism is provided on the fixed glass provided on the side of the vehicle adjacent to the front pillar, and this prism is arranged on the outside of the vehicle and incident on the inside of the vehicle to receive light from the blind spot in front of the front pillar. And a light emitting part that emits light incident from the light incident part toward the driver's seat.   A fixed glass provided on the side of the vehicle adjacent to the front pillar, a first mirror provided on the outer surface of the stay of the door mirror, and a second mirror provided along the cabin surface of the front pillar, The first mirror and the second mirror are installed so that light incident on the first mirror from the blind spot of the light passes through the fixed glass, is reflected by the second mirror, and exits toward the driver seat. A driving assistance device characterized by the above.   A first mirror provided in the vicinity of the center pillar and a second mirror provided along the passenger compartment surface of the front pillar, and the glass on the side of the driver's seat is transmitted through the blind spot in front of the front pillar into the passenger compartment. Driving assistance characterized in that the first mirror and the second mirror are installed so that incident light is reflected by the first mirror and then reflected by the second mirror and emitted toward the driver's seat. apparatus.   A first mirror provided at the front of the roof of the vehicle interior and a second mirror provided along the vehicle interior surface of the front pillar, passing through the front window glass from the blind spot in front of the front pillar and entering the vehicle interior Driving assistance characterized in that the first mirror and the second mirror are installed so that incident light is reflected by the first mirror and then reflected by the second mirror and emitted toward the driver's seat. apparatus.   A first mirror provided on the upper part of the instrument panel in the passenger compartment and a second mirror provided along the passenger compartment surface of the front pillar, and through the front window glass through the blind spot in front of the front pillar. The first mirror and the second mirror are installed so that the light incident on the first mirror is reflected by the first mirror and then reflected by the second mirror and emitted toward the driver seat. Support device.   A prism is provided along the roof front part of the vehicle interior and the vehicle interior surface of the front pillar, and the prism is disposed on the roof front part and receives light transmitted through the front window glass from a blind spot in front of the front pillar. A driving assistance apparatus comprising: an incident portion; and an emission portion that is disposed along a passenger compartment surface of the front pillar and emits light incident from the incident portion toward a driver seat.   Driving assistance characterized in that a Fresnel lens device is provided on the front pillar side of the front window glass to converge the light incident on the passenger compartment through the front window glass from the blind spot in front of the front pillar toward the driver's seat apparatus.

Images