JPS641156Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a room lamp for illuminating the interior of an automobile.

<Conventional technology> Conventional car room lamps are mounted on the ceiling (roof).
installed in the section. For this reason, when the room lamp is turned on, the light tends to shine onto the driver's seat, which is an inconvenience and can interfere with driving. Moreover, in the case of a sunroof type automobile in which a part of the ceiling part opens and closes, there are restrictions on where to install the room lamp, making it difficult to find a place to install it and making it difficult to effectively illuminate the required area.
In addition, room lamps only need to be used effectively by the user; for example, it is possible to install them in the doors, but they need to be installed according to the number of seats.
On the contrary, the increased cost brings about other inconveniences.

<Problems to be solved by the invention> The present invention was made in view of these conventional inconveniences and drawbacks, and effectively utilizes the upper part of the seat and headrest, which has not been used until now, to improve the interior and aesthetics. To provide a room lamp for an automobile that can effectively illuminate required areas with a novel feel without impairing interior design.

<Means for Solving the Problems> The interior lamp for an automobile of the present invention which achieves the above purpose has a lamp embedded in the seat or head rest to emit light to the ceiling of the room. The present invention is characterized in that a reflecting plate is installed to reflect the irradiated light from the lamp toward the seat seat.

<Example> Hereinafter, an example of implementing the present invention will be described based on the drawings.

In the figure, A is a sheet, B is a headrest installed on the top of sheet A, C is a lamp, and D is a reflector.

In the illustrated embodiment, a lamp C is embedded in the seat A of the driver's seat, more specifically, in the backrest A' of the seat A, so as to irradiate light onto the ceiling of the room. lamp C
The lamp C may be installed in a recessed manner to emit light onto the ceiling of the room, and the seat A and headrest B on which the lamp C is installed are not limited to the driver's seat, but may also be the passenger seat or the rear seat. In short, a lamp C is installed embedded in the seat A or the head rest B to emit light onto the ceiling of the room, and the light is reflected by a reflector D installed on the ceiling of the room to reach the desired seat area A. It would be good if I could illuminate the ``.

Sheet A and headrest B are constructed in the same manner as before, and an installation hole 1 is formed in the upper surface of the sheet A or headrest B in the vertical direction, and a lamp C is inserted into this installation hole 1 so that its light is directed to the ceiling of the room. It is installed in a recessed manner facing towards.

The lamp C is the same as the conventional lamp, with a lamp body 2 and a light source bulb 3.
and lens 4, and is embedded in the installation hole 1 of the seat A or headrest B to irradiate light I toward a reflector D installed on the ceiling of the room. This lamp C is connected to an appropriate means for finely adjusting the irradiation direction of light I and an appropriate means for responding to the tilting of the backrest A' of the seat A. That is, for example, the lamp C itself can be moved by an adjustment knob 5 provided on the backrest A' of the seat A, or the lens 4 can move a reflector (not shown) to finely adjust the illumination direction of light I, and the lamp C is held by a pantograph-type link 6 provided in the backrest A' of the seat A, so that light I can be irradiated toward the reflector D installed on the ceiling of the room in response to the tilting of the backrest A' of the seat A.

The reflector D is installed on the ceiling of the room and reflects the irradiated light from the lamp C toward the seat seat A'', and is used to control the forward and backward movement of the seat A and the backrest.
It is formed into a curved surface designed to be able to reflect the irradiated light A of the lamp C toward the seat seat A'' even if A' is tilted.
In the figure, when the backrest A' of the seat A is tilted by an angle θ with respect to the vertical line, and the irradiated light A of the lamp C moves by a distance _L1 , the reflected light B moves to a point P.
Calculating the angle δ of the normal line (on top of the seat A″), δ=(180°−β+α)/2 …(1) Formula Here, the distance from the seat center O to the point P is L ₂ If is constant, L ₂ ≒ H ₂ sin θ + (H ₁ / sin β), so β = sin ^-1 (H ₁ / H ₁ − _{H 2} sin θ) ...Equation (2). However, H ₁ is the distance from point P to reflector D, and _H2 is the distance from sheet center O to light source bulb 3.

Substituting the above equation (2) into equation (1) and sorting it out, we get δ=90°+α/2-1/2sin ^-1 (H ₁ /H ₁ −H ₂ sinθ) ...Equation (3) .

Therefore, the reflector D is positioned so that the normal line of equation (3) above is located at a distance L ₁ L ₁ ≒ H ₂ sin θ + (H ₁ − _{H 2} cos θ)/tan α from the point O' on the center of the sheet. If the curvature of is designed, the light A emitted from the lamp C will be reflected so as to always converge on the point P.

Incidentally, it is also possible to install not only one type of reflecting plate D as in the illustrated embodiment, but also a plurality of types such as mood lighting D ₁ and wide lighting D ₂ .

In addition, the embodiment shown in FIG.
A lamp C is installed on the side surface B' of the lamp so that it can appear and retract freely, and a projection window 7 for illumination is formed on the rear side of the lamp C, and a projection window 8 for projection is formed on the upper side. A micro film or the like is placed on the screen and projected onto a projection plate 9 installed on the ceiling of the room.

<Effects of the invention> Since the interior lamp for automobiles of the present invention is constructed in this way, it is possible to effectively utilize the upper part of the seat and headrest, which has not been used until now, and it is innovative without impairing the aesthetics and design of the interior. You can effectively illuminate the required area with a sense of comfort.

Moreover, since only a reflective plate is installed on the ceiling of the room, the ceiling can be made thinner, and the ceiling can be made higher overall than before.

Therefore, the intended purpose can be achieved.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a perspective view, FIG. 2 is a partially cutaway side view, and FIG. 3 is a perspective view of another embodiment of the invention. In the figure, A is a sheet, B is a headrest, C is a lamp, and D is a reflector.

Claims (1)

[Scope of utility model registration request] A lamp is embedded in the seat or head rest to emit light onto the ceiling of the room, and a reflector is installed on the ceiling of the room to reflect the light emitted from the lamp toward the seat seat. An automotive interior lamp featuring: