WO2017146215A1 - Unité de source de lumière et dispositif d'éclairage - Google Patents

Unité de source de lumière et dispositif d'éclairage Download PDF

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Publication number
WO2017146215A1
WO2017146215A1 PCT/JP2017/007147 JP2017007147W WO2017146215A1 WO 2017146215 A1 WO2017146215 A1 WO 2017146215A1 JP 2017007147 W JP2017007147 W JP 2017007147W WO 2017146215 A1 WO2017146215 A1 WO 2017146215A1
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WIPO (PCT)
Prior art keywords
light
light source
door
pointer
illumination
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PCT/JP2017/007147
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English (en)
Japanese (ja)
Inventor
和真 登立
杉本　晃三
Original Assignee
矢崎総業株式会社
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Filing date
Publication date
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Publication of WO2017146215A1 publication Critical patent/WO2017146215A1/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
    • B60Q3/217—Doors, e.g. door sills; Steps

Definitions

  • the present invention relates to a light source unit and an illuminating device that can be used for applications such as vehicle interior lighting.
  • Vehicles such as automobiles are generally provided with an interior lighting device that illuminates the interior of the vehicle.
  • an interior lighting device there is a device provided with an illumination device that is provided on a console box, a ceiling, a door, or the like for the purpose of interior decoration and emits light of various colors (for example, Patent Document 1 and Patent Document 2). reference).
  • gradation in an in-vehicle lighting device for the purpose of interior decoration, lighting (so-called gradation) is performed to selectively emit light of a plurality of LEDs constituting a light source to change the degree of color development in order to enhance the decoration effect.
  • the LEDs and the like in the light source are controlled according to the target color development degree, the number of parts in the control device is increased and the control is complicated, which may increase the manufacturing cost of the interior lighting device. There is.
  • a large number of light sources such as LEDs are arranged in a shape corresponding to the illumination range (for example, in a row corresponding to the long and narrow range).
  • a lighting device may be designed.
  • the number of components of the light source is increased, and the circuit configuration of the light source for controlling these LEDs is also complicated. Therefore, like the above, the manufacturing cost of the in-vehicle lighting device may increase.
  • the present invention has been made in view of the above-described circumstances, and an object thereof is to provide a light source unit and an illuminating device capable of reducing the number of parts and reducing the cost even when illuminating a long and narrow area. There is to do.
  • a light source unit and an illumination device are characterized by the following (1) to (3).
  • a light source A pointer-shaped light guide that is a rod-shaped guide light guide as a whole, and has a light emitting surface that emits light incident from the light source so as to extend in the longitudinal direction of the pointer-shaped light guide;
  • a light source unit A light source unit.
  • a lighting device comprising: a housing having a translucent design portion; and one or more of the light source units described in (1) housed in the housing, The light source unit is arranged so that the opening of the light shielding case of the light source unit is in contact with an inner wall surface of the housing corresponding to the design part. Be a lighting device.
  • a lighting device comprising: a housing having a translucent design portion; and one or more of the light source units described in (1) housed in the housing, The light source unit is arranged such that the opening of the light shielding case included in the light source unit is separated from the inner wall surface of the housing corresponding to the design site by a predetermined distance. Be a lighting device.
  • the bar-shaped elongate range can be obtained by the light emitting surface extending in the longitudinal direction of the pointer-shaped light guide and the linear opening of the light shielding case. The whole can be illuminated. Moreover, the shape of the illumination range can be adjusted to a desired shape by setting the opening shape of the light shielding case to a shape corresponding to the target illumination range. Therefore, the light source unit of this configuration can be reduced in cost by reducing the number of parts.
  • the design part can be efficiently and the outline of the illumination range can be defined. Illuminated in a clear state.
  • the design part is used as a gradation effect in the outline of the illumination range. (For example, so as to illuminate an elliptical range).
  • the “predetermined distance” may be set to an appropriate distance in consideration of the target gradation effect or the like, for example.
  • translucency means, for example, that the design part of the housing is made of a transparent or translucent material, or the design of the housing. It represents that one or a plurality of openings capable of transmitting light are provided in the part, and that the design part of the housing has both of these characteristics.
  • the light source unit according to the present invention may be further configured as follows.
  • the pointer-shaped light guide may be configured to include a light introduction portion that has a size equivalent to a light emitting surface from which the light source emits light and is disposed at a position adjacent to the light emitting surface.
  • the light source unit of (4) above A base member having the light source incorporated therein; The base member may be configured to have a plurality of support portions that support the pointer-shaped light guide at a plurality of locations in the longitudinal direction.
  • the light introducing portion of the pointer-shaped light guide efficiently introduces light from the light exit surface of the light source.
  • the light can be used for illumination.
  • the pointer-shaped light guide is firmly supported by the plurality of support portions provided on the base member. be able to.
  • the number of parts can be reduced and the cost can be reduced even when a long and narrow area is illuminated.
  • FIG. 1A is a perspective view showing the appearance of the pointer unit in the embodiment of the present invention
  • FIG. 1B is a perspective view showing the pointer unit with the light shielding case removed
  • FIG. It is a top view which shows a component side by side. 2 (a) and 2 (b) show a basic configuration of a light emitting device employing the pointer unit of FIG. 1,
  • FIG. 2 (a) is a plan view
  • FIG. 2 (b) is FIG. 2 (a).
  • It is a longitudinal cross-sectional view which shows the AA 'cross section in. 3 (a) and 3 (b) show a modification of the light emitting device of FIG. 2
  • FIG. 3 (a) is a plan view
  • FIG. 3 (b) is a cross-sectional view taken along line BB ′ in FIG. 3 (a). It is a longitudinal cross-sectional view shown.
  • FIG. 4 is a front view illustrating a configuration example of an illumination ornament housing that employs the pointer unit of FIG. 1 and a modification thereof.
  • FIG. 5 is a diagram showing a schematic configuration (conceptual diagram different from the strict sectional view) inside the apparatus at the sectional position indicated by the line C-C ′ in FIG. 4.
  • FIG. 6 is a longitudinal sectional view showing a schematic configuration (conceptual diagram different from the strict sectional view) inside the apparatus at the sectional position indicated by the line D-D ′ in FIG. 4.
  • FIG. 7 is a front view showing an example of light emission in a part of the illumination ornament shown in FIG.
  • FIG. 8 is a schematic view of a door for explaining an in-vehicle illumination device that employs the pointer unit and the illumination device according to the present embodiment.
  • FIG. 9 is a schematic perspective view of a door provided with the interior lighting device of FIG.
  • FIG. 10 is a schematic diagram illustrating an upper surface and a cross-section of the light guide unit for explaining the structure of the light guide unit.
  • FIG. 11 is a cross-sectional view of the speaker cover portion for explaining the structure of the foot illuminating lamp.
  • FIG. 12 is a schematic cross-sectional view of the light guide plate for explaining the structures of the pocket illumination lamp and the storage section illumination lamp.
  • FIG. 13 is a schematic exploded perspective view illustrating the structure of the door.
  • FIG. 14 is a schematic exploded perspective view of the sound absorbing panel provided with the second lighting unit.
  • FIG. 15 is a schematic cross-sectional view of a console portion showing a foot illuminating lamp provided in the console box.
  • FIG. 16 is a schematic view of a vehicle including a plurality of foot illuminating lights as viewed from above.
  • FIG. 17 is a schematic configuration diagram of the interior lighting device.
  • FIG. 18 is a graph showing colors for explaining control of the light source unit by the control device.
  • FIG. 19 is a schematic configuration diagram of an interior lighting device according to a reference example.
  • FIG. 20 is a diagram for explaining another control example of the light source unit by the control device, and FIG. 20A and FIG. 20B are graphs each representing a color.
  • FIG. 1A is a perspective view showing the appearance of the pointer unit 15 in the embodiment of the present invention
  • FIG. 1B is a perspective view showing the pointer unit 15 with the light shielding case 19 removed
  • FIG. FIG. 3 is a plan view showing the components of the pointer unit 15 side by side.
  • the pointer unit 15 is an example of a light source unit in the embodiment of the present invention that can be used for illumination and display.
  • the pointer unit 15 is composed of a base member 17 having a light source 16, a pointer-shaped light guide 18, and a light shielding case 19.
  • the light source 16 is a point light source such as an LED (Light Emitting Diode), and can emit light toward the upper side of the base member 17.
  • the pointer-shaped light guide 18 is a light guide made of a material such as a transparent resin, and is formed to have a rod-like shape (in other words, an elongated shape, a needle-like shape, etc.) as a whole. ing.
  • the pointer-shaped light guide 18 has a thin light introduction portion 18a formed at the same size as the light emitting surface of the light source 16 on the lower side, and the upper light emitting surface 18b is elongated and extends linearly.
  • the pointer-shaped light guide 18 is disposed on the base member 17 in a state where the lower end of the light introducing portion 18a is adjacent to the light emitting surface of the light source 16 and is erected as shown in FIG.
  • the pointer-shaped light guide 18 is supported by a plurality of light guide support portions 17 a, 17 b and 17 c formed on the base member 17, and is firmly fixed to the base member 17.
  • the pointer-shaped light guide 18 introduces the light emitted from the light source 16 from the light introducing portion 18a, and guides the light almost uniformly to the entire elongated light emitting surface 18b by diffusion and reflection inside. Therefore, when the light source 16 emits light, the entire light emitting surface 18b of the pointer-shaped light guide 18 emits light.
  • the light shielding case 19 is disposed on the base member 17 and is formed in a shape that can cover almost the entire pointer-shaped light guide 18 from the periphery.
  • the light shielding case 19 is made of a light shielding material, a linear or slit-shaped opening 19 a is formed at a location facing the light emitting surface 18 b of the pointer light guide 18. Note that the opening 19a may be covered with a transparent material.
  • the light source 16 on the base member 17 emits light
  • the light guided by the pointer light guide 18 is emitted from the light emitting surface 18b to the outside of the pointer unit 15 through the opening 19a. That is, the user can visually recognize light emission only at the site of the opening 19a.
  • the light shielding case 19 light can be prevented from leaking to areas other than necessary, and a light source unit that emits light in a desired elongated shape can be configured.
  • FIG. 2 (a) and 2 (b) show a basic configuration of the light emitting device 25 adopting the structure of the pointer unit 15 of FIG. 1, FIG. 2 (a) is a plan view, and FIG. 2 (b) is a diagram. It is a longitudinal cross-sectional view which shows the AA 'cross section in 2 (a).
  • the design part 26 with a light shielding part is formed in a thin plate shape, has an opening 26a formed in an elongated shape, and a part other than the opening 26a is made of a light shielding material.
  • the design part 26 with the light-shielding part is arranged in close contact with or close to the light emitting surface 18b of the pointer-shaped light guide 18.
  • the light emitting device 25 shown in FIGS. 2A and 2B when the light source 16 emits light, only the portion of the opening 26a of the light emitting device 25 shown in FIG. 2A is elongated. It is visually recognized by the user as if it is emitting light in a shape. In this case, only the necessary range can be efficiently emitted. In addition, a long and narrow light emission can be realized without using a plurality of light sources.
  • FIGS. 3A and 3B show a modification of the light emitting device of FIG. 2, FIG. 3 (a) is a plan view, and FIG. 3 (b) is a cross-sectional view taken along line BB ′ in FIG. 3 (a). It is a longitudinal cross-sectional view shown.
  • the light emitting device 25B shown in FIGS. 3A and 3B includes a light source 16, a pointer-shaped light guide 18, and a design component 27.
  • the light-shielding part does not exist in the light emission instrument 25B, it can also be added as needed.
  • the design component 27 is disposed at a position away from the light emitting surface 18b of the pointer light guide 18 by a predetermined distance.
  • the design component 27 is formed in a thin plate shape, and the whole is made of a material that transmits light.
  • the light emitting surface 18b emits light linearly, but the light emitting shape changes according to the distance between the light emitting surface 18b and the design component 27. That is, as shown to Fig.3 (a), the light emission part 27a on the design component 27 becomes elliptical light emission with gradation.
  • FIG. 4 shows a configuration example of a lighting ornament (decorative part) housing employing the pointer unit of FIG. 1 and its modification.
  • FIG. 5 shows a schematic configuration inside the apparatus at the cross-sectional position indicated by the line CC ′ in FIG. 4
  • FIG. 6 shows a schematic configuration inside the apparatus at the cross-sectional position indicated by the line DD ′ in FIG. 5 and 6 are conceptual diagrams different from the strict sectional views.
  • the illumination ornament housing 28 shown in FIG. 4 includes a first illumination unit 28a and a second illumination unit 28b.
  • the first lighting unit 28a includes three light emitting devices 37A, 37B, and 37C.
  • the second illumination unit 28b includes six light emitting devices 38A, 38B, 38C, 38D, 38E, and 38F.
  • the light emitting device 37A of the first illumination unit 28a includes a red LED unit 56A, a light shielding case 57A, and a design component 58, as shown in FIG.
  • An opening (not shown) is formed in the light shielding case 57A.
  • the light shielding case 57A is arranged at a position slightly apart from the design surface 58a of the design part 58 (specifically, the inner wall surface of the design part 58 corresponding to this design part), and is configured integrally with the design part 58. It is.
  • the light emitting device 37 ⁇ / b> A and the light emitting device 37 ⁇ / b> B are illustrated so as to share a single design component 58.
  • FIG. 5 the light emitting device 37 ⁇ / b> A and the light emitting device 37 ⁇ / b> B are illustrated so as to share a single design component 58.
  • FIG. 5 the light emitting device 37 ⁇ / b> A and the light emitting device 37 ⁇ / b>
  • FIG. 5 is a diagram conceptually showing the internal structure of the light emitting device 37A and the light emitting device 37B.
  • the light emitting device 37A and the light emitting device 37B are members independent of each other.
  • the design parts 58 are independent from each other.
  • the red LED unit 56A emits light, and this light causes the design surface 58a to emit light through the opening of the light shielding case 57A, whereby a red display can be formed at the site of the light emitting device 37A as shown in FIG. .
  • FIG. 4 shows a state in which a door open warning mark provided in advance on the design surface 58a emits light as an example of this display.
  • the light emitting device 37B of the first illumination unit 28a includes a multi-color LED unit 56B, a pointer-shaped light guide 18, a light shielding case 57B, and a design component 58, as shown in FIG.
  • the configuration of the light emitting device 37C is substantially the same as that of the light emitting device 37B, but the arrangement direction is greatly different as shown in FIG.
  • the pointer-shaped light guide 18 of the light emitting device 37B also has a light introducing portion 18a and a light emitting surface 18b. ing. Further, the light shielding case 57B of the light emitting device 37B also has a linear opening similarly to the light shielding case 19. Since the multi-color LED unit 56B incorporates LED elements of a plurality of colors that emit light such as R (red), G (green), and B (blue), the emission color can be controlled.
  • the light shielding case 57B of the light emitting device 37B is configured integrally with the design component 58, but between the design surface 58a (specifically, the inner wall surface of the design component 58 corresponding to the design portion) and the light shielding case 57B. Are arranged with a predetermined distance apart.
  • the light emitting device 38B of the second illumination unit 28b includes an LED unit 77 fixed on the circuit board 76, a pointer-shaped light guide 78, a support component 78B, a light shielding case 79, and a design. It consists of a part 58B. Further, the other light emitting devices 38A, 38C, 38D, 38E and 38F shown in FIG. 4 have the same configuration as the light emitting device 38B shown in FIG.
  • FIG. 6 shows a disassembled state, and in actuality, the light introducing portion of the pointer-shaped light guide 78 is disposed at a position adjacent to the light emitting surface of the LED unit 77. Further, the light shielding case 79 is disposed so as to cover the pointer-shaped light guide 78 except for the opening. Further, as shown in FIG. 6, the outer surface (light emitting surface) of the light shielding case 79 is on the design surface 58Ba of the design component 58B (specifically, the inner wall surface of the design component 58 corresponding to this design part). It arrange
  • the LED units 77 of the light emitting devices 38A, 38B, 38C, 38D, 38E, and 38F of the second illumination unit 28b shown in FIG. 4 are all arranged on a common circuit board 76. Therefore, by controlling the circuit board 76, it is easy to control the lighting / extinguishing states of the six light emitting devices 38A to 38F so as to cooperate with each other.
  • FIG. 7 shows a light emission example in a part of the illumination ornament shown in FIG.
  • the needle-like light emitting portions 86 (1), 86 (2), 86 (3), and 86 (4) shown in FIG. 7 emit the needle-like light emitting devices 38A, 38B, 38C, and 38D, respectively. It is visually recognized by the user as a bright design or display.
  • the light shielding case 79 included in each of the light emitting devices 38A to 38F is in a position where it comes into contact with the design surface 58Ba (specifically, the inner wall surface of the design component 58B corresponding to this design part). Is arranged. Therefore, the light of the LED unit 77 can be efficiently guided to the design surface 58Ba, and is visually recognized by the user as a clear needle-like light emission pattern in which the contour is emphasized by the light shielding case 79.
  • the light shielding cases 57B of the light emitting devices 37B and 37C are arranged at positions away from the design surface 58a (specifically, the inner wall surface of the design component 58B corresponding to the design part). Therefore, in the same manner as the elliptical light emitting portion 27a shown in FIG. 3A, the user can visually recognize the light emitting pattern having a spread on the design surface 58a. A gradation effect can also be obtained. Moreover, since the multi-color LED unit 56B is employed as the light source, the emission color can be changed.
  • FIG. 8 is a schematic view of a door for explaining the interior lighting device according to the present embodiment.
  • FIG. 9 is a schematic perspective view of a door provided with the interior lighting device according to the present embodiment.
  • the interior lighting device 10 is provided on the door 1 of the automobile.
  • the vehicle interior lighting device 10 includes a first lighting unit 11 and a second lighting unit 12.
  • the first lighting unit 11 and the second lighting unit 12 are provided on the interior panel 2 of the door 1.
  • the interior panel 2 of the door 1 is provided with an illumination operation unit 20 that is operated when setting or operating the interior illumination device 10 at an upper portion thereof.
  • the door 1 is provided with a door handle 21, an armrest 22, a speaker 23, and a storage unit 24.
  • the door handle 21 is operated when the door 1 is opened, and the door 1 is opened by pulling forward.
  • the door handle 21 is disposed so as to be surrounded by a handle bezel 31 fixed to the interior panel 2.
  • the interior panel 2 is provided with a decorative panel 32 extending from the handle bezel 31 toward the vehicle.
  • the decorative panel 32 corresponds to the lighting ornament housing 28 shown in FIG.
  • the armrest 22 is fixed to the interior panel 2 at a substantially middle portion in the height direction of the door 1 and is disposed substantially horizontally.
  • the armrest 22 is provided with a door pocket 34 on the front side of the vehicle.
  • the speaker 23 is accommodated in the interior panel 2 and is covered with a mesh-like speaker cover 35 provided on the interior panel 2.
  • the storage unit 24 is provided on the lower side of the interior panel 2.
  • the storage portion 24 is provided with a drink holder portion 36 that protrudes indoors and has a cylindrical storage space in the vertical direction.
  • the first lighting unit 11 has a door warning light 41, a door handle lighting light 42, and a decoration light 43.
  • the door warning lamp 41 and the door handle illumination lamp 42 are provided on the handle bezel 31.
  • the decorative lamp 43 is provided on the decorative panel 32.
  • the door warning lamp 41, the door handle illumination lamp 42, and the decorative lamp 43 are respectively configured by the light emitting devices 37A, 37B, and 37C shown in FIG.
  • the first lighting unit 11 includes a light source 41L for the door warning lamp 41, two light sources 42L for the door handle lamp 42, a plurality of light sources 43L for the decorative lamp 43, and a first control connector 45. ing. All of these light sources 41L, 42L, and 43L are light emitting elements such as LEDs (Light Emitting Diode).
  • the light sources 41L and 42L are arranged on the back side of the handle bezel 31 opposite to the inside of the vehicle, and the light source 43L is arranged on the back side of the decorative panel 32 opposite to the inside of the vehicle.
  • the light sources 43L of the decorative lamps 43 are mounted in a row on the substrate 46 with a space therebetween.
  • electronic components 47 such as a driver for driving the light source 43L, a power supply circuit for supplying power to the driver, and an interface for communication between the driver and the first control connector 45 are mounted.
  • a harness 50 that is a bundle of electric wires is connected to the substrate 46.
  • a harness 55 extending from the instrument panel is connected to the harness 50.
  • the first control connector 45 is a connector provided with a first control device.
  • the first control connector 45 is connected to the harnesses 51 and 52 extending from the light sources 41L and 42L and the harness 53 extending from the board 46 on which the light source 43L is mounted.
  • the first control device of the first control connector 45 controls the light emission color and lighting on / off of the light sources 41L, 42L, 43L.
  • the 1st illumination unit 11 is made into the illumination unit with which the 1st control apparatus which performs the lighting-off control of the light sources 41L, 42L, and 43L by incorporating the 1st control connector 45 into a connector was incorporated.
  • the handle bezel 31 is provided with a light guide unit 61 simulating a vehicle with an open door, and a light source 41L for the door warning light 41 is disposed on the back side of the light guide unit 61. Thereby, in the door warning light 41, when the light source 41L emits light, the light is guided to the inside of the vehicle as warning light through the light guide portion 61.
  • the handle bezel 31 is provided with two elongated light guides 62, and a light source 42 ⁇ / b> L for the door handle illumination lamp 42 is disposed on the back side of each light guide 62. Accordingly, in the door handle illumination lamp 42, the light source 42L emits light, and the light is guided to the vehicle interior as illumination light through the light guide unit 62. The door handle 21 is illuminated by the light emitted from the light guide 62.
  • the decorative panel 32 is provided with the same number of elongated light guides 63 as the light sources 43L for the decorative lamps 43, and the light sources 43L for the decorative lamps 43 are disposed on the back side of the respective light guides 63.
  • each light source 43L emits light, and the light is guided as decorative light to the vehicle interior through the light guide portion 63.
  • Each light guide portion 63 is disposed so as to be gradually inclined toward the vehicle rear side from the vehicle front side toward the vehicle rear side.
  • FIG. 10 is a schematic diagram illustrating the upper surface and a cross section of the light guide for explaining the structure of the light guide 63.
  • the handle bezel 31 and the decorative panel 32 include a light guide layer 65 made of a resin material having a light guide property, and a light shielding layer 66 attached to the back side of the light guide layer 65.
  • the light guides 61, 62, and 63 are configured by forming an opening 66 a in the light shielding layer 66. Specifically, in the light guide 61, an opening 66 a simulating a vehicle with an open door is formed in the light shielding layer 66. In the light guides 62 and 63, an elongated opening 66 a is formed in the light shielding layer 66. Is formed. In the light guides 61, 62, and 63, the light from the light sources 41L, 42L, and 43L passing through the opening 66a is guided into the vehicle through the light guide layer 65.
  • the second lighting unit 12 includes a foot lamp 71, a pocket lamp 72, and a storage lamp 73.
  • the foot illuminating lamp 71 is provided on the speaker 23.
  • the pocket illumination lamp 72 is provided on the armrest 22.
  • the storage unit illumination lamp 73 is provided in the storage unit 24.
  • the second lighting unit 12 includes a light source 71L for the foot illuminating lamp 71, a light source 72L for the pocket illuminating lamp 72, a light source 73L for the storage section illuminating lamp 73, and a second control connector 75.
  • These light sources 71L, 72L, 73L are all light emitting elements such as LEDs (Light Emitting Diode).
  • the light source 71L is disposed in the speaker 23.
  • the light source 72 ⁇ / b> L is disposed in the door pocket 34 of the armrest 22.
  • the light source 73L is disposed in the storage unit 24.
  • the second control connector 75 is a connector provided with a second control device. Harnesses 81, 82, 83 extending from the light sources 71L, 72L, 73L are connected to the second control connector 75 by connectors. The second control device of the second control connector 75 controls the emission color and lighting on / off of the light sources 71L, 72L, 73L. A harness 80 is connected to the second control connector 75. A harness 55 from the instrument panel is connected to the harness 80. As described above, the second lighting unit 12 is a lighting unit in which the second control connector 75 is connected to connect the second control connector 75 to incorporate the second control device that controls the lighting of the light sources 71L, 72L, and 73L.
  • FIG. 11 is a cross-sectional view of the speaker cover portion for explaining the structure of the foot illuminating lamp.
  • the light source 71 ⁇ / b> L for the foot illuminating lamp 71 is disposed on the back side of the speaker cover 35.
  • the light source 71L of the foot illuminating lamp 71 is directed to the speaker cover 35.
  • the light source 71L emits light
  • the light is guided into the vehicle through the mesh gap 35a of the speaker cover 35, and the light causes the foot in the vehicle to move. Illuminated.
  • FIG. 12 is a schematic cross-sectional view of the light guide plate for explaining the structure of the pocket illumination lamp and the storage section illumination lamp.
  • a light guide plate 85 is disposed at the bottom of the door pocket 34 and the drink holder 36 of the storage unit 24, and the light source 72 ⁇ / b> L of the pocket illumination lamp 72 and the light source 73 ⁇ / b> L of the storage unit illumination lamp 73 are
  • the light guide plate 85 is disposed so as to face the end surface.
  • the light guide plate emits light by the light from the light source 72L, and thereby the interior of the door pocket 34 is illuminated by the pocket illumination lamp 72 that emits light at the bottom.
  • the light guide plate 85 emits surface light by the light from the light source 73L, so that the drink holder section 36 of the storage section 24 is internally illuminated by the storage section illumination lamp 73 that emits surface light at the bottom. Illuminated.
  • FIG. 13 is a schematic exploded perspective view illustrating the structure of the door.
  • FIG. 14 is a schematic exploded perspective view of the sound absorbing panel provided with the second lighting unit.
  • the door 1 is provided with a sound absorbing panel (sound absorbing material) 4 between the outer panel 3 and the interior panel 2, and the second lighting unit 12 includes a second control connector 75 and Harnesses such as harnesses 81, 82, 83 connected to the second control connector 75 are integrally provided on the sound absorbing panel 4.
  • the sound absorbing panel 4 includes a sound absorbing layer 5 in which a sound absorbing material having sound absorbing properties and heat insulating properties is formed in a plate shape, and a holding plate 6 attached to the sound absorbing layer.
  • the second lighting unit 12 is sandwiched and integrated between the sound absorbing layer 5 and the holding plate 6. Therefore, the second lighting unit 12 is assembled inside the door 1 by fixing the sound absorbing panel 4 to the interior panel 2 of the door 1 and attaching the interior panel 2 to the outer panel 3.
  • the first control device of the first control connector 45 controls the on / off and lighting colors of the door warning lamp 41, the door handle lamp 42 and the decorative lamp 43.
  • the door warning light 41 is maintained in an extinguished state when the door is closed. Thereby, the passenger
  • the door handle lamp 42 lights in an alarm color when the door 1 is open, and lights in a non-alarm color when the door 1 is closed.
  • the light source 42L of the door handle illumination lamp 42 emits white light and is turned on, and the door handle 21 is illuminated by the illumination light of the door handle illumination lamp 42. Therefore, the occupant can easily grasp the position of the door handle 21 illuminated by the door handle illumination light 42 at night or the like and smoothly operate the door handle 21 to open the door 1.
  • the plurality of light sources 43L are turned on and off one by one. For example, while the vehicle is traveling, the plurality of light sources 43L are turned on and off in order from the front side of the vehicle. Thereby, in the decoration lamp 43, the decoration effect which looks like the needle-shaped light in the light guide part 63 flows back to a vehicle is acquired.
  • the first control device of the first control connector 45 transmits all the light sources 41L, 42L, 43L of the door warning light 41, the door handle illumination light 42, and the decoration light 43, for example, Simultaneously emit light in a predetermined alarm color that attracts attention such as red or yellow.
  • a predetermined alarm color that attracts attention such as red or yellow.
  • the first control device of the first control connector 45 causes all the light sources 41L, 42L, and 43L of the door warning light 41, the door handle illumination light 42, and the decorative light 43 to be alarm colors. Lights simultaneously with different non-alarm colors.
  • the light sources 41L, 42L, and 43L are made to emit light in a predetermined non-alarm color that gives relief such as white and blue different from red and yellow.
  • the door warning lamp 41, the door handle illumination lamp 42, and the decoration lamp 43 are simultaneously turned on in the non-alarm color. Therefore, the occupant can recognize that the door 1 is closed by visually recognizing the door warning light 41, the door handle illumination light 42, and the decoration light 43 that are lit in the non-alarm color.
  • the door warning light 41, the door handle illumination light 42, and the decoration light 43 in the non-alarm color may be turned on after a few seconds have elapsed to recognize that the door 1 has been closed by the occupant. good.
  • the first control device of the first control connector 45 may simultaneously turn off the door warning light 41, the door handle illumination light 42, and the decoration light 43 that have been lit in the alarm color. good.
  • the occupant can recognize that the door 1 has been closed by visually recognizing that the door warning light 41, the door handle illumination light 42, and the decorative light 43, which have been lit in the alarm color, are simultaneously turned off. it can.
  • the second control device of the second control connector 75 has a foot lamp 71, a pocket lamp 72, and a storage lamp 73 based on a command from the lighting operation unit 20 operated by an occupant. Controls the turning on and off of light and the emission color. That is, the occupant can operate the lighting operation unit 20 as necessary, and can individually set the on / off and emission colors of the foot lamp 71, the pocket lamp 72, and the storage lamp 73. .
  • the foot illumination lamp 71 By turning on the foot illumination lamp 71, it is possible to easily find what has been dropped on the foot, and to move up and down smoothly with respect to the vehicle.
  • the pocket illumination lamp 72 By turning on the pocket illumination lamp 72, it is possible to easily search for small items in the door pocket 34 and to easily recognize the door pocket 34 when gripping the door pocket 34 to close the door 1. .
  • the storage section illumination lamp 73 By turning on the storage section illumination lamp 73, it is possible to easily grasp the location of the storage section 24, particularly the drink holder section 36, and to easily put in and out the drink holder section 36.
  • the first control device of the first control connector 45 causes the door warning light 41 and the door handle illumination.
  • the lamp 42 and the decorative lamp 43 are turned on with a predetermined alarm color such as red or yellow.
  • the second control device of the second control connector 75 may turn on the foot illumination lamp 71, the pocket illumination lamp 72, and the storage section illumination lamp 73 with an alarm color when the door 1 is open.
  • a warning light around the meter is lit to alert the occupant.
  • a door warning light may be provided near the door handle 21.
  • these warning lights there is a possibility that the warning is not sufficiently transmitted to the occupant.
  • the door warning light 41 when the door 1 is in the open state, not only the door warning light 41 but also the door handle lighting light 42 that illuminates the door handle 21 and the decorative light 43 that emits decorative light include the door warning light 41. At the same time, it is turned on with a predetermined warning color, so that the open state of the door 1 can be reliably transmitted to the occupant.
  • the door warning light 41, the door handle illumination light 42, and the decoration light 43 which have been lit in the warning color, are turned on or off in a color different from the warning color, thereby The occupant can reliably recognize that the door 1 is closed.
  • the occupant can turn off the foot illumination lamp 71, the pocket illumination lamp 72, and the storage section illumination lamp 73 as necessary. Thereby, the convenience can be improved.
  • the second control device of the second control connector 75 is connected to the harnesses 81, 82, 83 connected to the foot illumination lamp 71, the pocket illumination lamp 72, and the storage section illumination lamp 73 so as to be provided integrally with the sound absorbing panel 4. Therefore, the wiring workability to the door 1 can be greatly improved.
  • the occupant can operate the lighting operation unit 20 to set the interior lighting device 10 to various lighting modes, and the first control device 45 and the second control connector of the first control connector 45.
  • the second control device 75 lights the first lighting unit 11 and the second lighting unit 12 in the set lighting mode. For example, a landscape mode in which the light emission color and illuminance are selected and turned on according to the scenery outside the vehicle, a car interior temperature mode in which the light emission color and illuminance are selected according to the vehicle interior temperature, and a light emission color and illuminance are selected according to the vehicle speed.
  • the luminescent color and illuminance according to the drive mode such as the vehicle speed mode to be lit, the external lightness mode to be lit by selecting the luminescent color and illuminance according to the brightness outside the vehicle, the sport mode, ECO mode, normal mode, etc. It can be set to drive-linked mode that lights up.
  • a foot illumination lamp 91 may be provided on the center console 90 in the vehicle.
  • a light source 91L is provided on the back side of the case 92 of the center console 90, and the light source 91L is disposed toward a gap between the case 92 and a mat 94 provided at the bottom of the vehicle. In this way, the light from the light source 91L is guided from the gap between the case 92 and the mat 94 to the bottom of the vehicle, and the feet of the passenger are illuminated.
  • FIG. 17 is a schematic configuration diagram of the interior lighting device.
  • the vehicle interior lighting device 110 shown in FIG. 17 is provided on the interior panel 2 of the automobile door 1 shown in FIGS. 8 and 9.
  • the door 1 has a door handle 21 and an armrest 22, and the armrest 22 is provided with a door pocket 34.
  • the interior lighting device 110 is provided in the vicinity of the upper edge of the interior panel 2 of the door 1 above the door handle 21 and is arranged in a line along the front-rear direction of the vehicle.
  • the in-vehicle illumination device 110 includes a control connector 120 and a plurality of light source units 130. In this example, four light source units 130 are provided.
  • the control connector 120 is a connector provided with a control device.
  • a communication line 121 from an ECU (not shown) is connected to the control connector 120.
  • the control connector 120 includes six output ports 120a.
  • the light source unit 130 includes a light source 131, a light guide member 132, and a connector 133, respectively.
  • the light guide member 132 corresponds to the pointer-shaped light guide 18 shown in FIG.
  • the light source 131 includes a light emitting element such as an LED (Light Emitting Diode).
  • the light source 131 is a multi-color LED that emits light of three primary colors of red, green, and blue.
  • the light guide member 132 is formed of a resin having a light guide property in a rod shape. Light from the light source 131 enters the light guide member 132.
  • the light guide member 132 is fixed to the interior panel 2 of the door 1 so that a part thereof is exposed in the vehicle, and is arranged in a line.
  • the connector 133 is connected to a control line 122 from the control connector 120 and a power line 123 extending from a battery (not shown).
  • a light source 131 is joined to the connector 133, and a control signal from the control line 122 is transmitted to the light source 131 and power from the power supply line 123 is supplied.
  • the control line 122 is connected to the output port 120a of the control connector 120.
  • the control lines 122 extending from the control connector 120 include a red control line 122R, a green control line 122G, and a blue control line 122B.
  • the red control line 122R is a control line connected to each light source unit 130 individually.
  • Four red control lines 122R are connected to the output port 120a of the control connector 120, and are led to the light source unit 130, respectively.
  • the green control line 122G and the blue control line 122B are control lines connected to the respective light source units 130 at once.
  • the green control line 122G and the blue control line 122B have one control connector 120, and each branch into four on the way.
  • the green control line 122G and the blue control line 122B are connected to the output port 120a of the control connector 120, and the four branched lines are connected to the four light source units 130, respectively.
  • each light source unit 130 is turned on and off and the brightness is controlled by the control device of the control connector 120. Then, when the light source 131 of the light source unit 130 is turned on, each light guide member 132 of the light source unit 130 provided in the interior panel 2 emits light, and illumination that shines in a line shape is obtained.
  • FIG. 18 is a graph showing colors for explaining control of the light source unit by the control device.
  • each light source unit 130 is controlled by the control device of the control connector 120 so that the lighting and lighting of the two predetermined colors of green and blue are the same in common and the brightness is other than the predetermined two colors.
  • the remaining red on / off and brightness are individually controlled. Accordingly, as shown in FIG. 18, in each light source unit 130, for example, red is mixed with different mixed colors in which red and green are mixed with luminance in the intensity range A.
  • each light guide member 132 emits light with various mixed colors in which red and green are mixed with two different colors of green and blue, thereby forming a line shape with gradation. Illumination is obtained.
  • ⁇ Normal lighting mode> In the normal lighting mode, all the light source units 130 are lit in the same color (for example, red, green, blue, or a mixed color of each color) by the control device of the control connector 120. Thereby, when each light guide member 132 emits light with the same color, illumination that shines in a line shape with the emitted light color is obtained.
  • FIG. 19 is a schematic configuration diagram of an interior lighting device according to a reference example.
  • the in-vehicle illumination device 110S includes two control connectors 120 having six output ports 120a, and each control connector 120 is connected to two sets of light source units 130. Two red control lines 122R, two green control lines 122G, and two blue control lines 122B are connected.
  • the control device of the control connector 120 controls the light source 131 in each light source unit 130 to individually control the three colors of red, green, and blue to increase or decrease the luminance.
  • each light guide member 132 emits light by various mixed colors in which three colors of red, green, and blue are mixed, and illumination with gradation is obtained.
  • control connector 120 and the control line 122 are used in order to control each light source unit 130 individually and to make the control complicated and to perform complicated control.
  • the number of parts increases. For this reason, cost will increase.
  • light emission of each color is individually controlled, variations in color occur in the light of each color.
  • the remaining one color is emitted with various luminances in a state where predetermined two colors of the three primary colors that can be emitted by the light source 131 in the plurality of light source units 130 are emitted.
  • the control can be simplified, and the control circuit The number of parts can be reduced and the cost can be reduced.
  • each light source unit 130 is commonly controlled by using two colors of green and blue as predetermined two colors, and gradation lighting is performed by individually controlling red, but individual control is performed. Is not limited to red.
  • red and green are commonly controlled as two predetermined colors, and blue is individually controlled. As shown in FIG. It may be lit in a color, and two colors of red and blue are commonly controlled as two predetermined colors, and green is individually controlled, so that green is in the strength range A as shown in FIG. You may make it light by each different mixed color mixed with the brightness
  • luminance For example, two different colors, red and green, are commonly controlled as two predetermined colors, and blue is individually controlled. As shown in FIG. It may be lit in a color, and two colors of red and blue are commonly controlled as two predetermined colors, and green is individually controlled, so that green is in the strength range A as shown in FIG. You may make it light by each different mixed color mixed with the brightness
  • Body (18) A light shielding case (19) covering the pointer-shaped light guide, wherein the light-shielding case has a linear opening (19a) along a longitudinal direction of the pointer-shaped light guide at a position corresponding to the light emitting surface;
  • Illumination comprising a housing (58B) having a translucent design part (design surface 58Ba) and one or more of the light source units (38B) described in [1] housed in the housing.
  • a device (28b) comprising: The light source unit (37B) is arranged so that the opening of the light shielding case (79) of the light source unit is in contact with an inner wall surface of the housing corresponding to the design portion (design surface 58a). Lighting device.
  • Illumination comprising a housing (58) having a translucent design part (design surface 58a) and one or more of the light source units (37B) described in [1] housed in the housing.
  • a device (28a) comprising: The light source unit is disposed such that the opening of the light shielding case (57B) of the light source unit is separated from the inner wall surface of the housing corresponding to the design part (design surface 58a) by a predetermined distance.
  • Lighting device [4]
  • the pointer-shaped light guide includes a light introduction part (18a) having a size equivalent to that of a light emitting surface from which the light source emits light and disposed at a position adjacent to the light emitting surface.
  • the base member is configured to have a plurality of support portions (light guide support portions 17a, 17b, and 17c) that support the pointer-shaped light guide at a plurality of locations in the longitudinal direction. Lighting device.
  • the number of parts can be reduced and the cost can be reduced even when a long and narrow area is illuminated.
  • the present invention that exhibits this effect is useful, for example, with respect to a light source unit and an illumination device provided in a car.
  • Pointer unit 16 Light source 17 Base member 17a, 17b, 17c Light guide support part 18 Pointer-shaped light guide 18a Light introduction part 18b Light emission surface 19 Light-shielding case 19a Opening part 25, 25B Light-emitting tool 26 Light-shielding part design part 26a Opening Part 27 Design part 27a Light emitting part 28 Lighting ornament housing 28a First lighting part 28b Second lighting part 37A, 37B, 37C Light emitting tool 38A, 38B, 38C, 38D, 38E, 38F Light emitting tool 56A Red LED unit 56B Multi-color LED Unit 57A, 57B Shading case 58, 58B Design part 58a, 58Ba Design surface (design part) 76 Circuit board 77 LED unit 78 Pointer-shaped light guide 78B Supporting part 79 Light-shielding case 86 Needle-shaped light-emitting part

Landscapes

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

Abstract

Selon la présente invention, une unité de source de lumière (15) comprend : une source de lumière (16) ; un corps de guidage de lumière en forme de flèche (18) qui présente une forme générale de tige et présente une surface d'émission de lumière (18b) destinée à émettre une lumière rendue incidente à partir de la source de lumière de sorte que la surface d'émission de lumière s'étende dans la direction longitudinale du corps de guidage de lumière en forme de flèche ; et un boîtier de protection contre la lumière (19) permettant de recouvrir le corps de guidage de lumière en forme de flèche qui présente une ouverture linéaire (partie d'ouverture (19a)) le long de la direction longitudinale du corps de guidage de lumière en forme de flèche au niveau d'une position correspondant à la surface d'émission de lumière.
PCT/JP2017/007147 2016-02-25 2017-02-24 Unité de source de lumière et dispositif d'éclairage WO2017146215A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-034824 2016-02-25
JP2016034824A JP2017149333A (ja) 2016-02-25 2016-02-25 光源ユニットおよび照明装置

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001165714A (ja) * 1999-12-08 2001-06-22 Denso Corp 車両用指針計器
JP2009269492A (ja) * 2008-05-08 2009-11-19 Hayashi Telempu Co Ltd 自動車用照明装置並びに導光体及びその製造方法
JP2015155298A (ja) * 2015-03-19 2015-08-27 本田技研工業株式会社 車両用内装材

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001165714A (ja) * 1999-12-08 2001-06-22 Denso Corp 車両用指針計器
JP2009269492A (ja) * 2008-05-08 2009-11-19 Hayashi Telempu Co Ltd 自動車用照明装置並びに導光体及びその製造方法
JP2015155298A (ja) * 2015-03-19 2015-08-27 本田技研工業株式会社 車両用内装材

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