JP2020189622A - Vehicular door with projector - Google Patents

Abstract

To provide a vehicular door with a projector that can readily change an image projecting direction of a projector.SOLUTION: A front door 14 includes: a door body 15; and a projector 16 fitted inside the door body 15. The projector 16 is fitted to the door body 15 so as to be capable of changing an image projecting direction.SELECTED DRAWING: Figure 1

Description

The present invention relates to a vehicle door with a projector.

Conventionally, as a display device including a projector main body (projector) that projects an image on a projection surface provided on an instrument panel in a vehicle interior, for example, the one shown in Patent Document 1 is known. In such a display device, the projector main body is arranged at a position close to the projection surface on the instrument panel, and the projection light emitted from the projector main body is irradiated to the projection surface through two mirrors to display an image. There is.

JP-A-2018-75858

By the way, in the display device as described above, since the projector main body is held by the holding portion on the instrument panel, the orientation of the projector main body cannot be changed. In addition, in the display device as described above, the projected light emitted from the projector main body is irradiated to the projection surface through the two mirrors to display the image. Therefore, the projector main body has a problem that it is difficult to project an image other than a preset projection surface.

The present invention has focused on such problems existing in the prior art. An object of the present invention is to provide a vehicle door with a projector that can easily change the projection direction of an image by a projector.

Hereinafter, means for solving the above problems and their actions and effects will be described.
The vehicle door with a projector that solves the above problems is a vehicle door with a projector provided with a door body and a projector mounted inside the door body, and the projector can change the projection direction of an image. The gist is that it is attached to the door body.

According to this configuration, the projection direction of the image by the projector can be easily changed.

The schematic perspective view which shows a part of the vehicle interior in 1st Embodiment. The plan view of FIG. Schematic diagram of the front door. Enlarged side view of the main part of the front door. Explanatory drawing which shows the state when the car with the front door opened is seen from the rear. The schematic perspective view which shows a part of the vehicle interior in 2nd Embodiment.

(First Embodiment)
Hereinafter, the first embodiment of the vehicle door with a projector will be described with reference to the drawings.
As shown in FIGS. 1 and 2, an instrument panel 12 is provided at the front end of the vehicle interior of the automobile 11 so as to extend over the entire width direction of the vehicle. A front seat 13 is arranged on the rear side of the right side portion of the instrument panel 12 in the vehicle interior. On the right side of the front seat 13, a front door 14 as an example of a vehicle door with a projector is provided so as to be openable and closable.

The front door 14 is composed of a hinged door, the door body 15, the projector 16 mounted inside the door body 15, the window glass 18 provided on the door body 15 for opening and closing the window 17, and the outside of the door body 15. It is provided with a door mirror 19 provided at the upper end portion of the front end portion of the above. The front door 14 (door body 15) has a hinge (not shown) at the front end, and when the front door 14 (door body 15) is opened and closed, the front door 14 (door body 15) is rotated around an axis extending in the vertical direction at the hinge.

As shown in FIGS. 1 and 3, the door body 15 is composed of a metal outer panel 20, a metal inner panel 21 provided inside the outer panel 20, and a composite provided inside the inner panel 21. It is provided with a resin door trim 22. A storage space 23 is formed between the outer panel 20 and the inner panel 21, and the window glass 18 can be stored in the storage space 23. An elevating device (not shown) for raising and lowering the window glass 18 is arranged in the accommodation space 23, and the window 17 is opened and closed by the raising and lowering operation of the window glass 18 driven by the elevating device.

As shown in FIGS. 3 and 4, a pair of nuts 25 have a base end portion of a support shaft 24 extending in the horizontal direction at the upper end portion of the front end portion (one end portion) in the vehicle front-rear direction of the inner panel 21 (door body 15). The tip of the support shaft 24 penetrates the door trim 22 and projects slightly inward from the inner surface of the door trim 22. The tip of the support shaft 24 is inserted through the through hole 26a of the substantially strip-shaped arm 26 having the through hole 26a at the base end.

Therefore, the arm 26 is rotatably supported by the support shaft 24 with the support shaft 24 as the center of rotation. A thread groove (not shown) is formed at the tip of the support shaft 24, and a disc-shaped dial nut 27 is screwed into the support shaft 24. Then, when the dial nut 27 is tightened, the arm 26 cannot be rotated around the support shaft 24, and when the dial nut 27 is loosened, the arm 26 is allowed to rotate around the support shaft 24. Will be done.

A rectangular plate-shaped projector 16 is fixed to the tip of the arm 26 at the center of one side surface thereof. That is, the arm 26 supports the projector 16 so as to rotate integrally with the projector 16. In this case, the extending direction of the arm 26 and the longitudinal direction of the projector 16 coincide with each other. A lens 16a for irradiating the projected light of an image is provided at the center of the surface of the projector 16 far from the through hole 26a of the arm 26 among the two surfaces in the longitudinal direction.

Therefore, the orientation of the lens 16a of the projector 16 (the projection direction of the image of the projector 16) is changed by the rotation of the arm 26 around the support shaft 24. That is, the projector 16 is attached to the door body 15 via the support shaft 24 and the arm 26 so that the projection direction of the image can be changed.

As shown in FIGS. 2 and 4, the inner surface of the door body 15, that is, the inner surface of the door trim 22, is curved in the vehicle front-rear direction so as to bulge outward in the vehicle width direction. Then, when the projected light of the image is emitted from the lens 16a while the projector 16 is rotated to the position where the lens 16a faces backward (the position shown by the solid line in FIG. 4) when the front door 14 is closed, the door trim is performed. The image is projected on the area from the central portion to the rear end portion on the inner surface of 22.

In this case, the projector 16 projects an image obliquely to the inner surface of the door trim 22, that is, projects an image onto the inner surface of the door trim 22 by irradiating the projected light of the image from an oblique direction with respect to the inner surface of the door trim 22. However, it has a function to correct the distortion of the image due to the oblique projection.

That is, even if the projector 16 irradiates the projected light of the image from the lens 16a to the inner surface of the door trim 22 from an oblique direction, the projector 16 projects the image from the front (vertical direction) to the inner surface of the door trim 22 from the lens 16a. An image equivalent to the case of irradiating light can be projected on the inner surface of the door trim 22. Therefore, it can be said that the projector 16 is rotatably attached to the support shaft 24 via the arm 26 so that the image can be projected obliquely to the inner surface of the door trim 22 (door body 15). ..

Further, the projector 16 is configured so that data such as an image can be taken into an internal memory by communicating with an external communication device such as a smartphone or a personal computer. Further, the projector 16 can be operated by, for example, an operation unit (not shown) provided near the front seat 13 in the vehicle interior, a smartphone owned by an occupant, or the like.

Next, the operation of the front door 14 will be described.
By the way, the projector 16 of the front door 14 is mainly used at night. When using the projector 16, first, with the front door 14 closed, the dial nut 27 is loosened so that the projected light is emitted from the lens 16a of the projector 16 in a desired direction (rear in this example). After rotating the projector 16 together with the arm 26, the dial nut 27 is tightened to disable the rotation of the arm 26 and the projector 16. Subsequently, after the occupant sits on the front seat 13, the occupant operates the projector 16 by the smartphone.

In this case, application software for operating the projector 16 is pre-installed on the occupant's smartphone. Then, the projected light of the image is irradiated from the lens 16a of the projector 16 diagonally forward to the inner surface of the door trim 22. As a result, the image is projected on the inner surface of the door trim 22, so that the image can be viewed and enjoyed by the occupants seated on the front seat 13 or other seats in the vehicle interior.

Examples of the image projected by the projector 16 include still images and moving images (including projection mapping). That is, the projector 16 can project an image (video) that matches the unevenness of the projection surface (here, the inner surface of the door trim 22). For example, the color, pattern, texture, and the like of the projection surface can be freely changed depending on the image projected from the projector 16. Further, when the projection direction of the image of the projector 16 is upward, an image such as a starry sky can be projected on the upper surface of the vehicle interior, and when the projection direction of the image of the projector 16 is downward, for example, on the floor surface of the vehicle interior. Images such as deserts can be projected.

Further, as shown in FIG. 5, when the front door 14 is opened with the image projected from the projector 16 on the inner surface of the door trim 22, the front door 14 approaches other automobiles, motorcycles, bicycles, etc. even at night. It can inform that the door 14 is open. Further, when the front door 14 is opened with the projection direction of the image of the projector 16 downward, the ground 28 can be illuminated by the image, so that the projector 16 can also be used as lighting when getting off the automobile 11 at night. Can be done.

According to the first embodiment described in detail above, the following effects are exhibited.
(1-1) The front door 14 includes a door body 15 and a projector 16 attached to the inside of the door body 15, and the projector 16 is attached to the door body 15 so that the projection direction of an image can be changed. .. According to this configuration, the projection direction of the image by the projector 16 can be easily changed.

(1-2) In the front door 14, when the door body 15 is opened and closed, the door body 15 is rotated about an axis extending in the vertical direction as a rotation center, and the front end portion of the door body 15 in the vehicle front-rear direction is in the horizontal direction. A support shaft 24 projecting inward is provided in the above. The projector 16 is rotatably attached to the support shaft 24 so that an image can be projected obliquely to the inner surface of the door body 15. According to this configuration, when the door body 15 is opened, the projector 16 projects an image diagonally onto the inner surface of the door body 15, so that other automobiles and motorcycles approaching from behind even at night. , It is possible to call attention to bicycles by images. In this case, the image can be projected onto the ground 28 by further rotating the projector 16 so that the projection direction of the image by the projector 16 is downward.

(1-3) In the front door 14, the inner surface of the door body 15 is curved in the vehicle front-rear direction so as to bulge outward in the vehicle width direction. According to this configuration, the amount of protrusion of the support shaft 24 from the inner surface of the door body 15 can be suppressed to be smaller than in the case where the inner surface of the door body 15 is a flat surface extending straight in the vehicle front-rear direction. Incidentally, when the inner surface of the door body 15 is a flat surface extending straight in the front-rear direction of the vehicle, it is necessary to attach the projector 16 to the support shaft 24 via the arm 26 in a state where the projector 16 is slanted with respect to the inner surface of the door body 15. Therefore, the amount of protrusion of the support shaft 24 from the inner surface of the door body 15 becomes large.

(1-4) By providing the projector 16 and the projection surface on which the image is projected by the projector 16 on the same door body 15 in the front door 14, even if the automobile 11 shakes or vibrates while traveling, the projection surface can be used. It is possible to prevent the projected image from shaking or vibrating.

(Second Embodiment)
Next, a second embodiment of the vehicle door with a projector will be described with reference to the drawings.
As shown in FIG. 6, in this second embodiment, the front door 14 of the first embodiment is changed to the front door 30. Then, in this second embodiment, only the points different from the first embodiment will be described, and the description overlapping with the first embodiment will be omitted. Further, in the second embodiment, the same members as those in the first embodiment are designated by the same reference numerals.

As shown in FIG. 6, the front door 30 of the second embodiment changes the door mirror 19 to the camera 31 in the front door 14 of the first embodiment, and displays the image captured by the camera 31 on the projector 16. The display unit 32 is provided, and the projector 16 is directly rotatably supported by the support shaft 24.

The camera 31 is composed of a digital camera and is provided at the upper end of the front end portion on the outside of the door body 15. The camera 31 captures the situation behind the car 11 as the situation outside the car. A display unit 32 that displays an image captured by the camera 31 is integrally provided on the inner surface of the projector 16. The display unit 32 is composed of, for example, a liquid crystal monitor or the like. The camera 31 and the display unit 32 form a so-called electronic mirror. That is, the front door 30 is equipped with an electronic mirror.

According to the second embodiment described in detail above, the following effects are exhibited in addition to the effects described in (1-1) to (1-4) above.
(2-1) The front door 14 includes a camera 31 for photographing the situation behind the automobile 11 and a display unit 32 provided on the projector 16 for displaying an image captured by the camera 31. That is, the front door 30 has a function as an electronic mirror. In this case, since the projector 16 is integrally provided with the display unit 32 that constitutes the electronic mirror, the number of parts can be reduced as compared with the case where the display unit 32 is configured separately from the projector 16. Further, the advantages of the electronic mirror over the door mirror 19 are as follows, for example. Since a wider field of view than the door mirror 19 can be secured depending on the setting of the camera 31, the blind spot can be reduced. Various information can be displayed on the display unit 32. By making the camera 31 highly sensitive, the situation outside the vehicle can be brightly projected on the display unit 32 even in a dark place.

(Change example)
Each of the above embodiments can be modified and implemented as follows. In addition, each of the above embodiments and the following modified examples can be implemented in combination with each other within a technically consistent range.

-The projector 16 may be attached to the door body 15 so that it can rotate on two axes orthogonal to each other. In this way, the degree of freedom when changing the projection direction of the image of the projector 16 can be improved.

The projector 16 may be automatically rotated by the actuator based on the opening / closing operation of the front door 14 to change the projection direction of the image of the projector 16. For example, when the front door 14 is closed, the projection direction of the image of the projector 16 faces the inner surface of the door body 15, and when the front door 14 is opened, the projection direction of the image of the projector 16 faces the ground 28. You may.

-The window glass 18 may be made of dimming glass. In this way, the projector 16 can also project an image on the window glass 18.
-In the front door 14, the inner surface of the door body 15 (door trim 22) does not necessarily have to be curved in the vehicle front-rear direction so as to bulge outward in the vehicle width direction. For example, the inner surface of the door body 15 may be a flat surface extending straight in the vehicle front-rear direction, or may be curved in the vehicle front-rear direction so as to bulge inward in the vehicle width direction.

-In the front door 14, the door body 15 does not necessarily have to be configured to be rotated around an axis extending in the vertical direction when it is opened and closed. For example, the door body 15 may be configured to be rotated around an axis extending in the horizontal direction when it is opened and closed.

The mounting position of the projector 16 on the inner surface of the door body 15 may be changed as appropriate.
A digital camera for photographing the side of the automobile 11 may be provided on the outer surface of the door body 15, and the image captured by the digital camera may be projected onto the inner surface of the door trim 22 by the projector 16. In this way, the door body 15 can be produced as if it were transparent.

-The projector 16 may be equipped with a motion sensor device. In this way, by causing the motion sensor device to recognize the occupant's gestures (gestures and gestures), for example, the window 17 opening / closing operation and the front door 14 opening / closing operation can be performed without contact (gesture). Therefore, it is not necessary to provide a switch for opening / closing the window 17 or an inner handle for opening / closing the front door 14 on the inner surface of the door trim 22. As a result, the thickness of the front door 14 can be reduced, so that the space inside the vehicle interior of the automobile 11 can be made wider. The motion sensor device is a device for detecting the movement (motion) of a person (occupant).

-The vehicle door with a projector may be composed of not only the front door 14 on the right side but also the front door, the rear door, the back door, and the like on the left side.

14, 30 ... Front door as an example of a vehicle door with a projector 15 ... Door body 16 ... Projector 24 ... Support shaft 31 ... Camera 32 ... Display unit

Claims (4)

A door for a vehicle with a projector including a door body and a projector mounted inside the door body.
The projector is a vehicle door with a projector, characterized in that the projector is attached to the door body so that the projection direction of an image can be changed. When the door body is opened and closed, the door body is rotated around an axis extending in the vertical direction as a rotation center.
A support shaft that projects inward in the horizontal direction is provided at one end of the door body in the front-rear direction of the vehicle.
The projector according to claim 1, wherein the projector is rotatably attached to the support shaft so that the image can be projected obliquely to the inner surface of the door body. Door for vehicles with. The vehicle door with a projector according to claim 2, wherein the inner surface of the door body is curved in the front-rear direction of the vehicle so as to bulge outward. A camera that captures the situation outside the vehicle is provided on the outside of the door body.
The vehicle door with a projector according to any one of claims 1 to 3, wherein the projector includes a display unit for displaying an image captured by the camera.