WO2016158355A1 - Élément intérieur de véhicule doté d'un dispositif d'éclairage - Google Patents

Élément intérieur de véhicule doté d'un dispositif d'éclairage Download PDF

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Publication number
WO2016158355A1
WO2016158355A1 PCT/JP2016/058017 JP2016058017W WO2016158355A1 WO 2016158355 A1 WO2016158355 A1 WO 2016158355A1 JP 2016058017 W JP2016058017 W JP 2016058017W WO 2016158355 A1 WO2016158355 A1 WO 2016158355A1
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WO
WIPO (PCT)
Prior art keywords
light
pair
irradiation
interior material
light source
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Application number
PCT/JP2016/058017
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English (en)
Japanese (ja)
Inventor
達矢 上野
Original Assignee
河西工業株式会社
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Filing date
Publication date
Application filed by 河西工業株式会社 filed Critical 河西工業株式会社
Publication of WO2016158355A1 publication Critical patent/WO2016158355A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments

Definitions

  • the present invention relates to a vehicle interior material with a lighting device, and more particularly, to a vehicle interior material with a lighting device that can divide light from a light source and guide it so as to extend in the longitudinal direction to illuminate a vehicle interior. It is about.
  • FIG. 6 shows an example of a conventional vehicle interior material with a lighting device known from Patent Document 1 and the like.
  • the arrow F is the front of the automobile and the arrow R is the rear of the automobile.
  • the vehicle interior material shown in FIG. 6 is a ceiling interior material 101.
  • a long mounting groove 102 extending from the vicinity of the front end to the vicinity of the rear end is provided on the side edge of the ceiling interior material 101.
  • a plurality (three) of lighting devices 103 are disposed over substantially the entire length of the mounting groove 102.
  • each of the illumination devices 103 includes a rectangular light guide 104, a light source 106 disposed opposite to an end face 105 of the light guide 104, and the light guides.
  • a housing (not shown) for holding 104 and the light source 106 is provided. Then, light from the light source 106 enters the light guide body 104 to light the entire light guide body 104 and indirectly illuminate the passenger compartment.
  • a light diffusing plate 107 is provided at a portion between adjacent light guides 104 so as to bridge between the adjacent light guides 104.
  • the light from the light source 106 enters the light guides 104 through the end faces 105 and causes the light guides 104 to emit light over the entire length. .
  • the light from the light guide 104 illuminates a wide range from the vicinity of the front end to the vicinity of the rear end in the vehicle interior.
  • the conventional lighting device known from Patent Document 1 or the like has a divided structure in which a plurality of long light guides are arranged in a straight line. Therefore, the accuracy for maintaining the parallelism and coaxiality between the light guides is required, and the structure becomes complicated. In addition, there is a problem that it is difficult to illuminate a wide area in the passenger compartment with uniform brightness and uniformity. Furthermore, since a light diffusing plate that bridges the divided light guides is provided separately, there is a problem that the number of parts increases and the cost increases.
  • the present invention has been made in view of the above-described problems, and provides an interior material for a vehicle with an illumination device that can illuminate a wide area in a vehicle interior with uniform brightness and uniformity with a simple structure. It is aimed.
  • the present invention has been proposed in order to achieve the above object, and the present invention according to claim 1 includes an interior material body that has a long mounting groove and is mounted facing the vehicle interior, a light source, , A light incident part into which light from the light source enters, a branch part branched in a bifurcated manner from the light incident part, and a pair of irradiation parts extending in opposite directions along the same plane from the branch part And a light guide provided in the interior material main body with the irradiation portion disposed in the mounting groove.
  • the incident light branches into a bifurcated shape.
  • the light is guided into the pair of irradiation parts extending in the opposite directions from the branched parts, and the pair of irradiation parts shines over the entire length in the mounting groove.
  • the light guide is not divided, and a pair of irradiation sections are extended in the opposite direction to form a single irradiation section. Therefore, in the illumination device adopting the conventional divided structure, the accuracy for maintaining the parallelism and the coaxiality between the light guides is necessary. In the case of this configuration, the illumination device is integrated without being divided. Therefore, it is not necessary to obtain accuracy. Further, by being integrated, it is possible to reduce the number of parts and to illuminate a wide area in the passenger compartment with uniform brightness and without unevenness.
  • the light guide has the same width as that of the pair of irradiation units, and the bridge portion connecting the base ends of the pair of irradiation units is connected to the pair of irradiation units. It is characterized by being provided along the same plane as the plane from which the part extends.
  • the light incident on the light incident portion from the light source extends in the opposite direction from the bifurcated branch portion, and the base end of the pair of irradiation portions.
  • the pair of irradiating portions and the bridging portion shine at the same time, so that the portion between the base end sides can be prevented from becoming a dark portion, and the design can be enhanced by uniform illumination with uniform illuminance.
  • the present invention according to claim 3 is characterized in that the bridge portion has a light exit surface having a light diffusion shape for diffusing light.
  • the bridging portion shines while diffusing light, so that the bridging portion can be evenly illuminated with uniform illumination.
  • the present invention according to claim 4 is characterized in that the light guide body is provided with a plurality of sets continuously in the longitudinal direction, with the light incident portion, the branching portion, and a pair of irradiation portions as one set. To do.
  • the present invention according to claim 5 is characterized in that a light incident part is provided on a tip end side extending in the outer direction of the pair of irradiation parts, and the light source is provided to face the light incident part.
  • light from the light source is also incident on the light guide body from the tip end side extending in the outward direction of the pair of irradiation units, so that the amount of light increases and brighter light is emitted over the entire length. Can be released.
  • the illumination device having the conventional divided structure Then, the accuracy for maintaining the parallelism and the coaxiality between the light guides is necessary, but the configuration of the present invention does not require the accuracy.
  • the pair of irradiation units is integrated, the number of parts can be reduced, and the structure can be simplified and the cost can be reduced. Furthermore, it is possible to illuminate a wide area in the passenger compartment with uniform brightness and without unevenness.
  • FIG. 4 It is a perspective view of the interior material for vehicles with an illuminating device shown as one Embodiment of this invention. It is a top view which shows the whole structure of the illuminating device of FIG. It is the A section expanded sectional view of FIG. FIG. 4 is an enlarged sectional view taken along line BB in FIG. 3. It is a top view of the illuminating device shown as a modification. It is a perspective view which shows an example of the conventional interior material for vehicles with a illuminating device. It is a top view which shows the whole structure of the illuminating device shown in FIG.
  • FIG. 1 shows an interior material for a vehicle with a lighting device as one embodiment of the present invention.
  • the vehicle interior material with a lighting device shown in FIG. 1 is a ceiling interior material 10 for decorating a vehicle interior ceiling.
  • the ceiling interior material 10 is viewed from the back side (the roof panel side of the vehicle body). ing.
  • An arrow F in FIG. 1 is the front of the automobile, and an arrow R is the rear of the automobile.
  • FIG. 1 schematically shows an arrangement configuration of an interior material body 13 constituting the ceiling interior material 10 and a lighting device 11 attached to the interior material body 13.
  • the interior material body 13 is formed into a predetermined ceiling shape using a shape-retaining base material such as a foamed resin base material, a fiber base material, a corrugated cardboard base material, and the like on the left and right side edges.
  • a shape-retaining base material such as a foamed resin base material, a fiber base material, a corrugated cardboard base material, and the like on the left and right side edges.
  • Each has a long mounting groove 12 extending from the vicinity of the front end to the vicinity of the rear end.
  • the lighting device 11 is provided over substantially the entire length of the mounting groove 12.
  • the interior material main body 13 provided with the lighting device 11 as described above is attached to the roof panel of the vehicle body so as to face the vehicle interior.
  • the mounting groove 12 of the interior material body 13 is opened to the vehicle interior side. Further, the opening has an area in which the light emitting surface of the light guide, which will be described later, of the illuminating device 11 is directed toward the opening (vehicle interior side), and an irradiation portion of the light guide can be disposed.
  • the mounting groove 12 is formed by a recess or a slit. Further, the opening on the vehicle interior side of the mounting groove 12 is closed with, for example, a milky white light-transmitting cover molding 23 (see FIG. 4) or the like so that the light guide or the like cannot be directly seen from the vehicle interior side. Is considered.
  • FIG. 2 is a plan view showing the overall configuration of the illumination device 11, FIG. 3 is an enlarged sectional view of a portion A in FIG. 2, and FIG. 4 is a sectional view taken along the line BB in FIG. In FIG. 2, the housing 14 shown in FIGS. 3 and 4 is omitted.
  • the illumination device 11 includes a light source 15, a light guide 16, the housing 14 that holds the light source 15 and the light guide 16, and the like.
  • the light source 15 employs a single light-emitting diode (preferably a high-intensity LED or an ultra-high-intensity LED), and if necessary, a plurality of light-emitting diodes are used in parallel.
  • the light source 15 uses a light-emitting diode for advantages such as power saving, downsizing, and low heat generation, but is not limited to the light-emitting diode.
  • the light source 15 is turned on / off by operating a switch (not shown).
  • the light guide 16 is a molded product made of a light transmissive resin such as acrylic resin, and includes a light incident portion 16a into which light from the light source 15 is incident, and a branch portion branched in a bifurcated manner from the light incident portion 16a. 16b, a pair of irradiation portions 16c extending in opposite directions along the same plane 17 from the branch portion 16b, a bridging portion 16d connecting the base end 18 sides of the pair of irradiation portions 16c, etc. are integrated. In this embodiment, all cross sections of the light incident part 16a, the branching part 16b, the irradiation part 16c, the bridging part 16d, etc.
  • the rectangular shape is short in the vertical direction, and the width of the bridging portion 16d in the left-right direction (vehicle width direction) is the same as the width of the irradiation portion 16c.
  • the resin material forming the light guide 16 micro particles or the like that scatter light are mixed in a predetermined ratio. Then, by using the light guide 16 in which micro particles are dispersed at a predetermined ratio, the light incident on the light guide 16 changes its optical path due to the interference of the particles and is complicated in the light guide 16. Following the path, the light guide 16 is gradually emitted out of the light guide 16 (inside the vehicle compartment) from the exposed side surface (light-emitting surfaces 20 and 21 described later) of the light guide 16. As a result, the light guide 16 into which light is incident from the light incident portion 16a emits light over the entire length, and illumination in a wide range in the length direction of the vehicle interior is performed.
  • the light incident portion 16a is arranged so that the end surface 19 faces the light source 15 and the light from the light source 15 enters.
  • the branch portion 16b is bifurcated from the light incident portion 16a with a predetermined radius of curvature, and the branched tip ends are directed in the opposite directions on the same plane 17, and the tip of the branch portion 16b.
  • the base ends 18 of the pair of irradiation portions 16c are connected to each other so that the pair of irradiation portions 16c extend in the opposite directions along the same plane 17.
  • the lengths of the pair of irradiation units 16c are set to the same size, and in the embodiment, the surface arranged facing the vehicle interior side (the surface facing the lower side in the embodiment) is the light output of the irradiation unit 16c. Set as face 20. In addition, as shown in FIG.
  • a light incident portion 16e is provided integrally with each of the tip portions 22 of the pair of irradiation portions 16c, and the light incident portion 16e is provided with the light incident portion.
  • the light sources 15 different from the light sources 15 arranged to face the end surface 19 of the part 16a are arranged to face each other. It should be noted that the light incident part 16e and the light source 15 provided on each tip part 22 side of the pair of irradiation parts 16c are not necessarily required. In the case where the light incident portion 16e and the light source 15 are provided, the light from the light source 15 is also incident on the irradiation portion 16c and the bridging portion 16d from the distal end portion 22 side of the pair of irradiation portions 16c. The total amount of light in the inside increases, and bright light can be emitted over the entire length.
  • the bridging portion 16d connects the base ends 18 of the pair of irradiation portions 16c connected to the distal ends of the branching portions 16b, and the pair of irradiation portions 16c on the same plane 17 They are arranged in a straight line.
  • the bridging portion 16d has a surface facing the vehicle interior side (a surface facing the lower side in the embodiment) set as the light exit surface 21 of the bridging portion 16d.
  • the light exit surface 21 of the bridging portion 16d is formed with a light diffusion shape so that the light guided into the bridging portion 16d can be diffused and emitted to the vehicle interior side. As shown in FIG.
  • the light diffusion shape in the present embodiment is provided with triangular concave and convex grooves, but may be a conical shape as long as light diffusion can be performed.
  • the light diffusion shape provided on the light exit surface 21 is for adjusting the brightness of the emitted light on the light exit surface 20 of the irradiating portion 16c and the brightness on the light exit surface 21 of the bridging portion 16d so that there is no unevenness. . Therefore, you may provide a light-diffusion shape in both the light emission surface 20 of the irradiation part 16c, and the light emission surface 21 of the bridge part 16d.
  • the housing 14 is a resin molded product, and is formed in a rail shape having a substantially U-shaped cross section as shown in FIG. 4, and the lower surface side (vehicle compartment) corresponding to the mounting groove 12 of the interior material body 13.
  • the inside is open.
  • the light output surface 20 of the pair of irradiation portions 16 c and the light output surface 21 of the bridging portion 16 d in the light guide 16 are exposed from the opening on the lower surface side, respectively. And the volume which can accommodate the light source 15 is ensured. Further, by housing the light guide 16 and the light source 15 in the housing 14, the unitized lighting device 11 is formed.
  • the illuminating device 11 is attached to the back surface side (the side facing the roof panel of the vehicle body) of the interior material body 13 in the united state. Furthermore, the opening of the mounting groove 12 of the interior material main body 13 is closed by, for example, a milky white light-transmitting cover molding 23 as shown in FIG. 4, and the interior of the mounting groove 12 is not directly visible from the vehicle interior side. To be considered.
  • the thus constructed ceiling interior material (vehicle interior material) 10 is attached to the roof panel of the vehicle body facing the vehicle interior.
  • the light source 15 facing the end surface 19 of the light incident portion 16a and the light source 15 corresponding to the tip portion 22 of the pair of irradiation portions 16c are turned on, the light source 15 is paired with the end surface 19 of the light incident portion 16a.
  • the light incident on the light guide 16 changes its optical path due to particle interference, follows a complicated path in the light guide 16, and is exposed to the exposed side surfaces (light-emitting surfaces 20 and 21) of the light guide 16. From what has arrived, the light is gradually emitted out of the light guide 16.
  • the light guide 16 in which light is incident from the light incident part 16a and the light incident part 16e emits light over the entire length, and illumination in a wide range in the length direction in the passenger compartment is performed.
  • the light guide body 16 is not divided, and the pair of irradiation portions 16c are extended in the opposite direction to form one linear irradiation. Therefore, in the lighting device having the conventional divided structure, it is necessary to have accuracy for maintaining the parallelism and the coaxiality between the light guides. Is no longer necessary.
  • the pair of irradiation units 16c are integrated, the number of parts can be reduced, the structure can be simplified, and the cost can be reduced. Furthermore, it is possible to illuminate a wide area in the passenger compartment with uniform brightness and without unevenness.
  • the light guide 16 has a bridging portion 16d connecting the base end 18 sides of the pair of irradiation portions 16c with the same width as the vehicle width of the pair of irradiation portions 16c, and the pair of irradiation portions 16c.
  • a bridging portion 16d connecting the base end 18 sides of the pair of irradiation portions 16c with the same width as the vehicle width of the pair of irradiation portions 16c, and the pair of irradiation portions 16c.
  • the light is guided into the bridging portion 16 d connecting the ends 18, and the pair of irradiation portions 16 c and the bridging portion 16 d shine in the mounting groove 12. Therefore, when the bridging portion 16d shines, it is possible to prevent the portion between the base end 18 sides of the pair of irradiation portions 16c from becoming a dark portion, and to shine evenly with uniform illuminance.
  • the bridging portion 16d shines while diffusing light, and the bridging portion 16d shines evenly with uniform illumination. be able to.
  • the said light guide 16 demonstrated the case where the light guide 16 provided the light-incidence part 16a, the branch part 16b, one pair of irradiation part 16c, and one bridge part 16d, it is restricted to this structure.
  • a light incident part 16a, a branching part 16b, and a pair of irradiation parts 16c are used as a set (see FIG. 5).
  • two sets may be provided continuously in the longitudinal direction. That is, the light guide 16 of the lighting device 11 shown in FIG.
  • FIG. 5 is formed by connecting the irradiation units 16c and 16c adjacent to each other out of the pair of irradiation units 16c.
  • the same reference numerals as those shown in FIGS. 1 to 4 are the same as those described in FIGS. In the case of this structure, it is possible to illuminate a wider area in the passenger compartment with uniform brightness and more evenly.
  • present invention is not limited to the above-described embodiment, and modifications, improvements and the like within a scope that can achieve the object of the present invention are included in the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

La présente invention concerne un élément intérieur de véhicule doté d'un dispositif d'éclairage qui a une structure simple et avec lequel il est possible d'éclairer de manière uniforme une zone large dans l'habitacle du véhicule avec une luminance uniforme, l'élément intérieur de véhicule étant doté : d'un corps principal d'élément intérieur 13 doté d'une rainure de fixation rectangulaire 12 et qui est fixé face à l'intérieur du véhicule ; d'une source de lumière 15 ; et d'un corps de guidage de lumière 16 ayant une partie d'incidence de lumière 16a sur laquelle la lumière provenant de la source de lumière 15 est incidente, une partie de ramification 16b qui se ramifie en une bifurcation à partir de la partie d'incidence de lumière 16a, et une paire de parties d'éclairage 16c s'étendant dans des directions opposées à partir de la partie de ramification 16b le long du même plan 17, le corps de guidage de lumière 16 étant disposé sur le corps principal d'élément intérieur 13 avec les parties d'éclairage 16c disposées dans la rainure de fixation 12.
PCT/JP2016/058017 2015-03-30 2016-03-14 Élément intérieur de véhicule doté d'un dispositif d'éclairage WO2016158355A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-068064 2015-03-30
JP2015068064A JP2016187986A (ja) 2015-03-30 2015-03-30 照明装置付車両用内装材

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WO2016158355A1 true WO2016158355A1 (fr) 2016-10-06

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017217219B4 (de) * 2017-09-27 2022-01-27 Volkswagen Aktiengesellschaft Baueinheit zur Innenraumbeleuchtung eines Kraftfahrzeugs
KR102636287B1 (ko) * 2022-03-17 2024-02-14 (주)윤진전자 자동차 내부조명용 분기형 라이트가이드

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012096564A (ja) * 2010-10-29 2012-05-24 Hayashi Telempu Co Ltd 自動車用照明装置
JP2014107240A (ja) * 2012-11-29 2014-06-09 Fujikura Ltd 導光板及び光照射装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012096564A (ja) * 2010-10-29 2012-05-24 Hayashi Telempu Co Ltd 自動車用照明装置
JP2014107240A (ja) * 2012-11-29 2014-06-09 Fujikura Ltd 導光板及び光照射装置

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