JP2007137175A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a display device not reducing an effectively available space in a cabin. <P>SOLUTION: Since a display body 22 is installed in a space at the back side of an inner mirror 12 which is not usually effectively available, the effectively available space in the cabin is not reduced by the display body 22 in the display device 10. When an occupant sitting on the seat of the vehicle adjusts the angle of the inner mirror 12 by his/her physique, the projected position of the display body 22 can be automatically adjusted, since the position of the display body 22 is changed through a first link member 32 and a second link member 40. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display device, and more particularly to a display device for a vehicle that is provided in a vehicle such as an automobile and projects driving information and the like to a vehicle occupant.

  As a display device for a vehicle, a projection unit that is attached to the ceiling of a vehicle interior and projects display information toward the windshield, and provided on the vehicle interior side upper portion of the windshield, the projection light projected from the projection unit A display device including a reflecting member that reflects toward an occupant is known (see, for example, Patent Document 1).

However, in such a display device, since the projection unit protrudes from the ceiling in the vehicle interior, the effective use space in the vehicle interior is narrowed by the projection unit.
Japanese Patent Laid-Open No. 5-96974

  In view of the above facts, an object of the present invention is to obtain a display device that does not narrow an effective use space in a vehicle interior.

  In order to solve the above problems, a display device according to a first aspect of the present invention is provided on the back side of an inner mirror for visually recognizing the rear of a vehicle, and projects a display information toward the vehicle body upper side, and the display body And a reflecting member that reflects the projection light of the display body toward the occupant, and changes the position of the display body according to the adjustment angle of the inner mirror, and the projection direction of the projection light And an interlocking means for changing.

  In the display device according to claim 1, display information projected from the display body provided on the back side of the inner mirror, that is, projection light is reflected toward the occupant by a reflecting member provided on the vehicle body upper side with respect to the display body. Is done. Thereby, the passenger | crew can confirm display information.

  Here, in this display device, as described above, the display main body is provided in a space behind the inner mirror that is not normally used effectively, so that the effective use space in the vehicle compartment is not reduced by the display main body. .

  In addition, in this display device, when the occupant adjusts the angle of the inner mirror, the interlocking unit changes the position of the display body and changes the projection direction of the projection light. Therefore, the occupant can adjust the projection light of the display body, that is, the display information so as to be easy to see only by adjusting the angle of the inner mirror.

  A display device according to a second aspect of the present invention is the display device according to the first aspect, wherein the interlocking means includes a link connecting the inner mirror and the display body.

  In the display device according to the second aspect, when the occupant adjusts the angle of the inner mirror according to the physique, the position of the display body is changed via the link, so that the projection position of the display body can be automatically adjusted.

  According to a third aspect of the present invention, in the display device according to the first aspect, the angle of the inner mirror is adjusted by the driving force of the motor, and the position of the display body is changed by the driving force of the motor. The interlocking means drives the motor for adjusting the angle of the inner mirror and the motor for moving the display main body in conjunction with each other.

  In the display device according to the third aspect, when the angle of the inner mirror is adjusted by the driving force of the motor, the display body moving motor is driven in conjunction with the motor, and the position of the display body is changed. Therefore, when the occupant adjusts the angle of the inner mirror according to the physique, the projection position of the display main body can be automatically adjusted accordingly.

  As described above, the display device of the present invention does not narrow the effective use space in the vehicle interior.

<First Embodiment>
FIG. 1 is a perspective view showing a configuration of an inner mirror device 11 for a vehicle configured by applying the display device 10 according to the first embodiment of the present invention. FIG. 2 is a longitudinal sectional view showing the configuration of the display device 10 and the vehicle inner mirror device 11.

  In the figure, the arrow UP indicates the vehicle body upward direction, and the arrow FR in the figure indicates the vehicle body front direction.

  The vehicle inner mirror device 11 includes an inner mirror 12. The inner mirror 12 is for an occupant to visually check the rear of the vehicle. The inner mirror 12 is surrounded by a cover 15 extending from a so-called overhead module 14 attached to the ceiling 13 in the passenger compartment. It is covered. The inner mirror 12 is supported by the cover 15 via a bracket 16.

  The bracket 16 includes left and right side walls 16A facing the both ends of the inner mirror 12 in the width direction, and a bottom wall 16B. A support shaft 18 projecting downward from the bottom wall 16B is connected to the bottom wall of the cover 15. By being rotatably supported by 15A, it can be rotated around a vertical axis.

  Further, support shafts 20 project from the upper end sides of both end portions in the width direction of the inner mirror 12, and these support shafts 20 are rotatably supported by the left and right side walls 16 </ b> A of the bracket 16. For this reason, the inner mirror 12 rotates around the support shaft 20 (see the arrow D and the arrow E in FIG. 2), so that the mirror surface 12A can be directed to the vehicle body upper side or the vehicle body lower side, and is integrated with the bracket 16. Thus, the mirror surface 12A can be directed to the left side of the vehicle body or to the right side of the vehicle body.

  A display main body 22 is provided on the back side of the inner mirror 12, that is, on the side opposite to the mirror surface 12A. The display main body 22 is movably fitted in the groove 26 of the rail 24 attached to the left and right side walls 16 </ b> A of the bracket 16 at both ends in the width direction, and is supported by the bracket 16 via the rail 24. The rail 24 is disposed so as to be inclined so that the front part of the vehicle body is higher than the rear part of the vehicle body, and the display body 22 is arranged along the groove 26 of the rail 24 in the direction indicated by the arrow B in FIG. It is possible to move in the C direction. As shown in FIG. 3, the display main body 22 is arranged with the light emitting surface 22 </ b> A on which display information is projected facing the vehicle body upper side.

  A reflective member 28 is provided on the vehicle body upper side of the display body 22. The reflection member 28 is attached to the overhead module 14 and reflects the projection light of the display main body 22 toward an occupant seated in the driver's seat of the vehicle.

  On the other hand, a base 30 that is formed in a plate shape and forms a link is provided on the lower side of the vehicle body of the display main body 22. The base 30 is attached to the bottom wall 16 </ b> B of the bracket 16, and a first link member 32 that is formed in a long plate shape and forms a link is spanned between the base 30 and the display main body 22. Yes.

  The first link member 32 is rotatably connected at one end in the longitudinal direction to a connecting shaft 34 protruding from the end of the display body 22 on the vehicle body rear side, and the other end in the longitudinal direction of the first link member 32. A long hole 36 is formed along the longitudinal direction. A support shaft 38 protruding from the base 30 is movably inserted into the long hole 36.

  A second link member 40 that is formed in a long plate shape and forms a link is suspended between the base 30 and the lower end portion of the inner mirror 12. One end side in the longitudinal direction of the second link member 40 is rotatably connected to a connecting shaft 42 protruding from the lower end portion of the inner mirror 12, and connected to the other end side in the longitudinal direction of the second link member 40. A shaft 44 is projected. The connecting shaft 44 is movably inserted into a long hole 46 formed in the central portion of the base 30 and a long hole 36 of the first link member 32.

  Here, in the display device 10, when the inner mirror 12 is moved to the front side of the vehicle body (in the direction of arrow D in FIG. 2) around the support shaft 20, the second link member 40 connected to the connection shaft 42 is moved. The first link member 32 in which the connecting shaft 44 is inserted into the long hole 36 is rotated around the support shaft 38 while being moved to the front side of the vehicle body, and one longitudinal end portion of the first link member 32 is on the vehicle rear side (see FIG. 2 in the direction of arrow C). For this reason, the display main body 22 connected to one longitudinal end portion of the first link member 32 via the connecting shaft 34 moves to the vehicle body rear side (arrow C direction side in FIG. 2) along the groove 26 of the rail 24. (The state shown in FIG. 4).

  In this state, an occupant with a small physique seated in the driver's seat of the vehicle can easily see the rear of the vehicle by the reflected light from the mirror surface 12A of the inner mirror 12, and the occupant with a small physique is projected from the display body 22. The projection light reflected by the reflecting member 28, that is, the display information on the display main body 22 is easily visible. In FIG. 4, for convenience of explanation, the range S1 of the reflected image displayed on the reflecting member 28 in this case is hatched.

  On the other hand, when the inner mirror 12 is moved around the support shaft 20 to the rear side of the vehicle body (in the direction of arrow E in FIG. 2), the second link member 40 connected to the connection shaft 42 moves to the rear side of the vehicle body. At the same time, the first link member 32 in which the connecting shaft 44 is inserted into the long hole 36 rotates around the support shaft 38, and one end in the longitudinal direction of the first link member 32 is on the vehicle body front side (in the direction of arrow B in FIG. 2). Side). For this reason, the display main body 22 connected to the longitudinal direction one end part of the 1st link member 32 via the connection shaft 34 moves to the vehicle body front side (arrow B direction side of FIG. 2) along the groove | channel 26 of the rail 24. (The state shown in FIG. 5).

  In this state, an occupant with a large physique seated in the driver's seat of the vehicle can easily see the rear of the vehicle by the reflected light from the mirror surface 12A of the inner mirror 12 (see arrow R2 in FIG. 5), and the occupant with a large physique Is projected from the display main body 22 and reflected by the reflecting member 28, that is, display information on the display main body 22 is easily visible. In FIG. 5, for convenience of explanation, the range L1 of the reflected image projected on the reflecting member 28 in this case is hatched.

  The display device 10 configured as described above is accommodated inside the cover 15 extended from the overhead module 14, and only the reflection member 28 is exposed to the outside of the cover 15.

  Next, the operation of the first exemplary embodiment of the present invention will be described.

  In the display device 10 configured as described above, display information projected from the display main body 22 provided on the back side of the inner mirror 12, that is, projection light, is directed to the occupant by the reflecting member 28 provided on the vehicle body upper side with respect to the display main body 22. Reflected towards. Thereby, the passenger | crew can confirm the display information of the display main body 22. FIG.

  Here, in the display device 10, as described above, the display main body 22 is provided in a space behind the inner mirror 12 that is not normally used effectively. Never become. Further, for example, the display main body 22 can be enlarged as compared with the case where the display main body 22 is installed around the mirror surface 12 </ b> A of the inner mirror 12.

  Moreover, in this display device 10, when the occupant seated in the vehicle seat adjusts the angle of the inner mirror 12 according to the physique, the position of the display body 22 is changed via the first link member 32 and the second link member 40. Therefore, the projection position of the display body 22 can be automatically adjusted.

  That is, for example, when an occupant with a small physique seated on a vehicle seat moves the inner mirror 12 around the support shaft 20 to the front side of the vehicle body (in the direction of arrow D in FIG. 2) according to his / her physique, the first The display main body 22 is automatically moved to the rear side of the vehicle body (the direction of the arrow C in FIG. 2) via the link member 32 and the second link member 40 (the state shown in FIG. 4). Thereby, the projection position of the display main body 22 can be automatically adjusted to the position suitable for the said passenger | crew with a small physique.

  On the other hand, for example, when an occupant with a large physique seated on a vehicle seat moves the inner mirror 12 to the rear side of the vehicle body (in the direction of arrow E in FIG. 2) around the support shaft 20 according to his / her physique, The display body 22 is automatically moved to the front side of the vehicle body (the arrow B direction side in FIG. 2) via the link member 32 and the second link member 40 (the state shown in FIG. 5). Thereby, the projection position of the display main body 22 can be automatically adjusted to a position suitable for the above-mentioned large occupant.

  As described above, in the display device 10 according to the first embodiment, the position of the display main body 22 can be automatically adjusted to the optimum position by adjusting the angle of the inner mirror 12 which is an essential operation for the vehicle occupant.

Moreover, as described above, since the display body 22 is moved according to the occupant's physique, it is possible to prevent a part of the display information projected on the surface of the reflecting member 28 from being hidden behind the inner mirror 12 or being invisible. Can be suppressed.
<Second Embodiment>
Next, a second embodiment of the present invention will be described. Note that configurations and operations that are basically the same as those of the first embodiment are given the same reference numerals as those of the first embodiment, and descriptions thereof are omitted.

  FIG. 1 is a perspective view showing a configuration of an inner mirror device 51 for a vehicle that is configured by applying a display device 50 according to a second embodiment of the present invention. FIG. 6 is a longitudinal sectional view showing the configuration of the display device 50 and the vehicle inner mirror device 51.

  The vehicle inner mirror device 51 includes an inner mirror 52. The inner mirror 52 has basically the same configuration as the inner mirror 12 according to the first embodiment. The inner mirror 52 is surrounded by the cover 15 extending from the overhead module 14 with the mirror surface 52A exposed. It is covered. The inner mirror 52 is supported by a support member (not shown) protruding upward from the bottom wall 15A of the cover 15 so that the angle can be adjusted.

  A motor actuator 54 for adjusting the vertical angle of the inner mirror 52 is provided on the back side of the inner mirror 52. The motor actuator 54 is fixed to a bracket 55 attached to the bottom wall 15 </ b> A of the cover 15, and includes a rod 56 formed in a rod shape and disposed along the vehicle body front-rear direction. The rod 56 is configured to be moved in the longitudinal direction of the vehicle body by the driving force of the motor 58. The tip of the rod 56 is connected to the back side of the inner mirror 52.

  Further, the motor 58 is electrically connected to a control circuit 60 as interlocking means provided in the vehicle, and a switch 62 provided in the vehicle is electrically connected to the control circuit 60. Further, the control circuit 60 is electrically connected to a position detection sensor 63 which is disposed in the vicinity of the inner mirror 52 and serves as interlocking means for detecting the position of the inner mirror 52.

  In the vehicle inner mirror device 51, a motor actuator (not shown) for adjusting the angle in the left-right direction of the inner mirror 52 is provided on the back side of the inner mirror 52.

  On the other hand, as shown in FIG. 7, a motor actuator 66 is provided on one side (front side in FIG. 6) of the motor actuator 54 along the vehicle body width direction (direction perpendicular to the paper surface in FIG. 6).

  The motor actuator 66 is fixed to a bracket 67 attached to the bottom wall 15A of the cover 15, and includes a rod 68 formed in a rod shape. The rod 68 is disposed so as to be inclined such that a portion on the front side of the vehicle body is higher than a portion on the rear side of the vehicle body. The rod 68 is driven by the driving force of the motor 70 in the direction of the inclination (the direction of the arrow B and the arrow in FIGS. (C direction). The motor 70 is electrically connected to the control circuit 60 described above.

  A slide member 72 is provided on the upper side of the vehicle body of the motor actuator 66. The slide member 72 is supported by a rail (not shown) attached to the cover 15 so as to be slidable in the tilt direction. The slide member 72 extends from the end on the rear side of the vehicle body to the extended portion 74 and extends to the tip of the rod 68. The parts are connected.

  Furthermore, a display main body 64 is attached to the upper side of the vehicle body of the slide member 72. Similar to the display main body 64 according to the first embodiment, the display main body 64 is disposed in a state where a light emitting surface (not shown) for projecting display information faces the upper side of the vehicle body.

  In addition, the display device 50 includes a position detection sensor 76 that is disposed in the vicinity of the display main body 64 and detects the position of the display main body 64. The position detection sensor 76 is electrically connected to the control circuit 60. Connected.

  Here, in the display device 50 (the vehicle inner mirror device 51), when the button 62A of the switch 62 is pressed, the control means 60 is based on the electrical signals from the position detection sensors 63 and 76, and the inner mirror. The motor actuator 54 for adjusting the angle 52 and the motor actuator 66 for moving the display main body 64 are driven in conjunction with each other.

  In the display device 50 and the inner mirror 51 configured as described above, the other components are the same as those of the display device 10 according to the first embodiment, and the display device 50 is configured as described in the first embodiment. Similar to the display device 10 according to the embodiment, only the reflection member 28 is accommodated inside the cover 15 extending from the overhead module 14 and exposed to the outside of the cover 15.

  Next, the operation of the second exemplary embodiment of the present invention will be described.

  In the display device 50 configured as described above, the display main body 64 is provided in the space behind the inner mirror 52 as in the display device 10 according to the first embodiment. Space is never narrowed.

  In addition, in this display device 50, when the angle of the inner mirror 52 is adjusted by the driving force of the motor 58, the motor 70 for moving the display body 64 is driven in conjunction with the motor 58, and the position of the display body 64 changes. Is done. Therefore, when the occupant adjusts the angle of the inner mirror 52 according to the physique, the projection position of the display main body 64 can be automatically adjusted accordingly.

  That is, when the lower part of the button 62A of the switch 62 (the part with the symbol ▼) is pressed, the control means 60 drives the motor 58 of the motor actuator 54 to move the rod 56 forward of the vehicle body ( Move in the direction of arrow FR). When the rod 56 is moved to the front side of the vehicle body, the inner mirror 52 connected to the rod 56 is rotated by a predetermined angle in the direction of arrow D in FIGS. 6 and 7, and the angle is adjusted to the state shown in FIG. . In this state, an occupant with a small physique seated on the vehicle seat can easily check the rear of the vehicle by the mirror surface 52A.

  At this time, the control means 60 drives the motor 70 of the motor actuator 66 to move the rod 68 rearward of the vehicle body (in the direction of arrow C in FIGS. 6 and 7). When the rod 68 is moved to the rear side of the vehicle body, the slide member 72 connected to the rod 68 and the display main body 64 attached to the slide member 72 are moved to the front side of the vehicle body (the direction of arrow C in FIGS. 6 and 7). The fixed amount is moved and arranged at the position shown in FIG. In this state, an occupant having a small physique can easily visually recognize the projection light projected from the display body 64 and reflected by the reflecting member 28 (that is, display information of the display body 64). In FIG. 8, for convenience of explanation, the range S2 of the reflected image displayed on the reflecting member 28 in this case is hatched.

  On the other hand, when the upper part of the button 62A of the switch 62 (the part indicated by ▲) is pressed, the control means 60 drives the motor 58 of the motor actuator 54 to move the rod 56 to the rear side of the vehicle body. Move in the direction opposite to the arrow FR. When the rod 56 is moved to the rear side of the vehicle body, the inner mirror 52 connected to the rod 56 is rotated by a predetermined angle in the direction of arrow E in FIGS. 6 and 7, and the angle is adjusted to the state shown in FIG. . In this state, an occupant with a large physique seated on the vehicle seat can easily check the rear of the vehicle through the mirror surface 52A.

  At this time, the control means 60 drives the motor 70 of the motor actuator 66 to move the rod 68 forward of the vehicle body (in the direction of arrow B in FIGS. 6 and 7). When the rod 68 is moved to the rear side of the vehicle body, the slide member 72 connected to the rod 68 and the display main body 64 attached to the slide member 72 are moved to the rear side of the vehicle body (in the direction of arrow B in FIGS. 6 and 7). The fixed amount is moved and arranged at the position shown in FIG. In this state, it becomes easy for a passenger with a large physique to visually recognize the projection light projected from the display body 64 and reflected by the reflecting member 28 (that is, display information of the display body 64). In FIG. 9, for convenience of explanation, the range L2 of the reflected image displayed on the reflecting member 28 in this case is hatched.

  As described above, the display device 50 according to the second embodiment of the present invention has basically the same operations and effects as the display device 10 according to the first embodiment.

  In addition, in the display device 50, the switch 62 for adjusting the angle of the inner mirror 52 can be shared as a switch for moving the display main body 64, so that the number of parts can be reduced and the cost can be reduced. .

1 is a perspective view illustrating a configuration of an inner mirror device for a vehicle configured by applying a display device according to a first embodiment of the present invention. It is a longitudinal cross-sectional view which shows the structure of the peripheral member containing the display apparatus which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the structure of the display main body of the display apparatus which concerns on the 1st Embodiment of this invention. It is a longitudinal cross-sectional view corresponding to FIG. 2 which shows the state by which the display main body of the display apparatus which concerns on the 1st Embodiment of this invention was moved to the vehicle body back side. It is a longitudinal cross-sectional view corresponding to FIG. 2 which shows the state by which the display main body of the display apparatus which concerns on the 1st Embodiment of this invention was moved to the vehicle body front side. It is a longitudinal cross-sectional view which shows the structure of the peripheral member containing the display apparatus which concerns on the 2nd Embodiment of this invention. FIG. 7 is a longitudinal sectional view showing a configuration of a peripheral member including a display device according to a second embodiment of the present invention, at a position shifted from the position shown in FIG. It is a longitudinal cross-sectional view corresponding to FIG. 7 which shows the state by which the display main body of the display apparatus which concerns on the 2nd Embodiment of this invention was moved to the vehicle body back side. It is a longitudinal cross-sectional view corresponding to FIG. 7 which shows the state by which the display main body of the display apparatus which concerns on the 2nd Embodiment of this invention was moved to the vehicle body front side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Display apparatus 12 Inner mirror 22 Display main body 28 Reflecting member 30 Base (link)
32 First link member (link)
40 Second link member (link)
58 Motor (Inner mirror angle adjustment motor)
60 Control circuit (interlocking means)
63 Position detection sensor (interlocking means)
70 Motor (Motor for moving the display body)
76 Position detection sensor (interlocking means)

Claims (3)

A display body that is provided on the back side of the inner mirror for visually recognizing the rear of the vehicle, and projects display information toward the upper side of the vehicle body;
A reflective member provided on the vehicle body upper side with respect to the display main body, and reflecting the projection light of the display main body toward an occupant;
Interlocking means for changing the position of the display body according to the adjustment angle of the inner mirror and changing the projection direction of the projection light;
A display device comprising:   The display device according to claim 1, wherein the interlocking unit includes a link connecting the inner mirror and the display main body.   The angle of the inner mirror is adjusted by the driving force of the motor, the position of the display body is changed by the driving force of the motor, and the interlocking unit is configured to adjust the angle of the inner mirror and the display. The display device according to claim 1, wherein the display device is driven in conjunction with a motor for moving the main body.

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