JP5407098B2 - Vehicle lighting - Google Patents

Description

  The present invention relates to a vehicular lamp, and more particularly to a vehicular lamp in which a first light source and a second light source are housed in a common housing, and the first light source and the second light source are configured as an integrated module.

  2. Description of the Related Art The external shape of a vehicle headlamp in recent years has a tendency to narrow the front corner of the vehicle for the purpose of revision of the Road Traffic Law and alignment with automobile design, that is, the vehicle headlamp shown in FIG. As shown in FIG. 100, the streamline shape tends to have a large inclination angle in the vertical direction (and horizontal direction).

  A vehicle headlamp 100 shown in FIG. 2 includes a headlamp 102 and a signal lamp 104 housed in a common housing 106, and the headlamp 102 and the signal lamp 104 are configured as an integrated module. FIG.

  Due to the streamlined shape like the vehicle headlamp 100 in FIG. 2, the reflector 108 of the signal lamp 104 is located on the vehicle rear side from the position of the outer lens 110 of the vehicle headlamp 100 in order to ensure the required size. It is placed in a deep position. Further, a light shielding plate 112 is provided between the headlamp 102 and the signal lamp 104, so that the irradiation light of the headlamp 102 enters the lamp chamber 114 of the signal lamp 104 or the signal light of the signal lamp 104 is emitted from the headlamp 102. It is prevented from entering the chamber 116.

  This vehicle headlamp 100 has a vertical dimension (a) of the light exit port 118A of the inner lens 118 of the signal lamp 104 due to the size of the reflector 108 that secures the streamline shape and the required size. It is short with respect to the vertical dimension (b). As a result, the light shielding plate 112 includes a first light shielding plate 112A extending in a substantially horizontal direction from the end 109 of the reflector 108 toward the light exit port 118A, and an approximately end from the end 119 of the light exit port 118A toward the reflector 108. A step is formed between the second light-shielding plate 112B extending in the horizontal direction and the step surface 112C is formed at a position where the light (α) of the signal lamp 104 reflected by the lower portion of the reflector 108 is not shielded. Has been.

  Similarly, Patent Document 1 discloses a vehicle headlamp in which a turn signal and a headlamp which are signal lamps are housed in a common housing, and the turn signal and the headlamp are configured as an integrated module. This vehicle headlamp is also configured to have a shape that narrows down the front corner of the vehicle. According to this vehicle headlamp, a partition is formed between the turn signal and the headlamp, and when the headlamp is turned on, the partition suppresses interference between the signal light of the turn signal and the irradiation light of the headlamp. doing.

JP-A-2005-150028

  Incidentally, when a simple partition is formed between the turn signal and the headlamp as in Patent Document 1, for example, the stepped surface 112C of the light shielding plate 112 serving as the partition is irradiated like the vehicle headlamp 100 shown in FIG. The reflected light (β) is reflected toward the upper surface of the first light-shielding plate 112A, so that the light (β) is uncontrollable miscellaneous light that is not emitted from the light exit port 118A for light distribution. Become. Therefore, the vehicular headlamp 100 shown in Patent Document 1 and FIG. 2 has a drawback that the light utilization rate of the signal lamp 104 is reduced.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a vehicular lamp that can effectively use light that is not used for light distribution, that is, so-called miscellaneous light, to increase the light utilization rate. And

The present invention, in order to achieve the object, said the first and second light sources are housed in a common housing first light source and the second light source is configured as an integrated module Rutotomoni, in the vehicle lamp in which the light shielding plate is provided between said first light source and the second light source, the light shielding plate, the light directly emitted first light source or al, of the reflected light from the reflector configured to reflect the first light source light, the light that does not travel to the irradiation from the light exit of the vehicle lamp, the reflecting surface for reflecting in the direction of the first light source is formed The reflecting surface of the light shielding plate is formed on a stepped surface facing the first light source, and the stepped surface of the light shielding plate extends from the end of the reflector of the first light source to the light irradiation port. A first light-shielding plate extending in a substantially horizontal direction toward the light irradiation port from the end portion To provide a vehicle lamp according to claim which is formed between the second light-shielding plate which extends substantially horizontally toward the Furekuta.

According to the present invention forms the light that is not used for light distribution, the reflecting surface for reflecting the light so-called noisy light to the first light source to the light shielding plate. Thus, the light reflected to the first light source by the reflecting surface, similarly to the conventional lamp, from being reflected by the reflector of the light source is irradiated from the light exit opening in a light for light distribution The Thereby, according to the vehicular lamp of the present invention, since miscellaneous light can be effectively used as light for light distribution, the light utilization rate can be increased.

According to the present invention, since the formed stepped surface facing the first light source reflecting surface, it is possible to satisfactorily reflect noisy light, it is possible to further increase the light utilization rate.

  The present invention is suitable for the light shielding plate having the shape as described in the conventional example of FIG. That is, it is suitable for a streamlined vehicle headlamp that narrows down the front corner of the vehicle.

The present invention, the reflecting surface of the light shielding plate, it is preferable that the first is a spherical reflecting surface having a focus on the light source.

  According to the present invention, since the reflection surface has a spherical shape, the light collection rate of miscellaneous light is improved, so that the light utilization rate can be further increased.

According to the vehicle lamp of the present invention as described above, light that is not utilized for light distribution so the light becomes a so-called noisy light formed on the light shielding plate a reflecting surface for reflecting the first light source, the so-called miscellaneous Light can be used effectively and the light utilization rate can be increased.

The longitudinal cross-sectional view which showed the structure of the vehicle lamp of embodiment A longitudinal sectional view showing the configuration of a conventional vehicular lamp

  Hereinafter, preferred embodiments of a vehicular lamp according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a longitudinal sectional view of a vehicle headlamp 10 to which a vehicle lamp of the present invention is applied. The difference between the configuration of the vehicle headlamp 10 shown in FIG. 2 and the conventional vehicle headlamp 100 shown in FIG. 2 is that the light shielding plate 12 of the vehicle headlamp 10 shown in FIG. It is in the point which provided. The reflection surface 14 will be described later.

  The vehicle headlamp 10 shown in FIG. 1 includes a turn signal (first light source) 16 and a headlamp (second light source) 18, which are signal lights, housed in a common housing 20. The vehicle headlamp is configured as a module in which the headlamp 18 is integrated, and the light shielding plate 12 is provided between the turn signal 16 and the headlamp 18.

  An outer lens 22 is attached to the front opening of the housing 20, and the turn signal 16 and the headlamp 18 are disposed at predetermined positions in a lamp chamber 24 defined by the housing 20 and the outer lens 22. ing.

  An extension 26 is attached to the inner side of the outer lens 22. An inner lens 28 is attached to the opening of the extension 26 on the turn signal 16 side, and a projection lens 30 is disposed on the opening of the extension 26 on the headlamp 18 side.

  Furthermore, a reflector 32 that forms a signal light distribution is attached to the turn signal 16. Therefore, when the turn signal 16 is lit / flashed, the light emitted from the turn signal 16 is reflected forward by the reflector 32, and the reflected light (α) is forwarded from the inner lens 28 to the front of the vehicle via the outer lens 22. Irradiated. Thereby, signal light distribution is formed ahead of the vehicle.

  On the other hand, the headlamp 18 is fixed to the reflector 34. In addition, a shade 36 that forms a light distribution for a low beam is provided in front of the headlamp 18 and behind the projection lens 30. Therefore, when the headlamp 18 is turned on, the light emitted from the headlamp 18 is reflected forward by the reflector 34, and the reflected light is irradiated forward of the vehicle via the shade 36, the projection lens 30, and the outer lens 22. Is done. Thereby, a light distribution for passing beam is formed in front of the vehicle. In addition, since the reflector 34 and the shade 36 are known structures, the detailed description is abbreviate | omitted here.

  By the way, of the light emitted from the turn signal 16 (direct light from the turn signal 16 and reflected light from the reflector 32) on the light shielding plate 12 of the vehicle headlamp 10 of the embodiment, the vehicle headlight. A reflection surface 14 is formed that reflects light (β) that is not irradiated from the light exit port 28A of the lamp 10 to the filament of the turn signal 16.

  Therefore, according to the vehicle headlamp 10, the light reflected by the reflecting surface 14 on the filament of the turn signal 16 is reflected by the reflector 32 in the same manner as a normal lamp. Light for light is emitted from the light exit port 28A. Thereby, according to the vehicle headlamp 10 of the embodiment, since miscellaneous light can be effectively used as light for light distribution, the light utilization rate can be increased.

  Further, the reflection surface 14 of the light shielding plate 12 is preferably formed on a step surface 12 </ b> A facing the turn signal 16. Thereby, according to the vehicle headlamp 10 of the embodiment, the miscellaneous light can be favorably reflected, and the light utilization rate can be further increased.

  Further, the stepped surface 12A of the light shielding plate 12 includes a first light shielding plate 12B extending in a substantially horizontal direction from the end portion 33 of the reflector 32 of the turn signal 16 toward the light emission port 28A, and an end portion 29 of the light emission port 28A. To the second light shielding plate 12 </ b> C extending in a substantially horizontal direction toward the reflector 32.

  Therefore, according to the vehicle headlamp 10 of the embodiment, the streamlined vehicle headlamp narrowing the front corner portion of the vehicle, that is, the light exit port 28A of the inner lens 28 of the turn signal 16 is provided. The longitudinal dimension (a) is suitable for a vehicle headlamp that is shorter than the longitudinal dimension (b) of the reflector 32.

  The reflecting surface 14 is preferably a spherical reflecting surface having a focal point on the filament of the turn signal 16. Thereby, according to the vehicle headlamp 10 of the embodiment, since the reflection surface 14 is spherical, the light collection rate of the miscellaneous light is improved, so that the light utilization rate can be further increased.

  In the embodiment, the vehicle headlamp 10 in which the turn signal 16 is disposed above and the headlamp 18 is disposed below has been described. However, the headlamp 18 is disposed above and the turn signal 16 is disposed below. The present invention can also be applied to a vehicle headlamp in which is arranged.

  In the embodiment, the reflection surface 14 is formed on the light shielding surface of the light shielding plate 12 on the turn signal 16 side. However, a reflection surface may be formed on the light shielding surface of the light shielding plate 12 on the headlamp 18 side. The reflective surface 14 may be formed on the light shielding surface.

  In the embodiment, the reflection surface 14 is formed on the light shielding plate 12. However, in the case of a vehicular lamp in which extraneous light enters the extension 26, the reflection surface having the same function as the extension 26 is shown in FIG. The extension 26 may be formed on the inner wall surface 26A.

  In the embodiment described above, the vehicle headlamp 10 in which the turn signal 16 and the headlamp 18 are integrated has been described. However, a position lamp may be used instead of the turn signal, and the low beam headlamp and the high beam The present invention can also be applied to a vehicular lamp in which a headlamp is provided in parallel.

  DESCRIPTION OF SYMBOLS 10 ... Vehicle headlamp, 12 ... Light-shielding plate, 12A ... Step surface, 12B ... 1st light-shielding plate, 12C ... 2nd light-shielding plate, 14 ... Reflective surface, 16 ... Turn signal, 18 ... Headlamp, 20 ... Housing, 22 ... Outer lens, 24 ... Light chamber, 26 ... Extension, 28 ... Inner lens, 30 ... Projection lens, 32 ... Reflector, 34 ... Reflector, 36 ... Shade

Claims (2)

With a first light source and second light source and said housed in a common housing first light source and the second light source is configured as an integrated module, the said first light source second In a vehicle lamp provided with a light shielding plate between the light source of
Wherein the light shielding plate includes a first light source or al irradiated direct light, the reflected light from the reflector configured to reflect the first light source light, the irradiation from the light exit opening of the vehicle lamp light not directed reflective surface for reflecting in the direction of the first light source is formed,
The reflective surface of the light shielding plate is formed on a stepped surface facing the first light source,
The stepped surface of the light shielding plate includes a first light shielding plate extending in a substantially horizontal direction from the end of the reflector of the first light source toward the light irradiation port, and the reflector from the end of the light irradiation port. A vehicular lamp characterized by being formed between a second light-shielding plate extending in a substantially horizontal direction toward the head . The vehicular lamp according to claim 1, wherein the reflection surface of the light shielding plate is a spherical reflection surface having a focus on the first light source.

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