WO2019208154A1 - Outil d'éclairage pour un véhicule - Google Patents

Outil d'éclairage pour un véhicule Download PDF

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Publication number
WO2019208154A1
WO2019208154A1 PCT/JP2019/015028 JP2019015028W WO2019208154A1 WO 2019208154 A1 WO2019208154 A1 WO 2019208154A1 JP 2019015028 W JP2019015028 W JP 2019015028W WO 2019208154 A1 WO2019208154 A1 WO 2019208154A1
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WO
WIPO (PCT)
Prior art keywords
substrate
reflector
light emitting
cover
lamp
Prior art date
Application number
PCT/JP2019/015028
Other languages
English (en)
Japanese (ja)
Inventor
隆之 井出
智之 勝間田
Original Assignee
株式会社小糸製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社小糸製作所 filed Critical 株式会社小糸製作所
Priority to CN201980027253.9A priority Critical patent/CN112005046A/zh
Publication of WO2019208154A1 publication Critical patent/WO2019208154A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings

Definitions

  • the present disclosure relates to a vehicular lamp configured to reflect light emitted from first and second light emitting elements mounted on both surfaces of a substrate toward the front of the lamp by first and second reflectors.
  • vehicular lamp configured to reflect light emitted from first and second light-emitting elements toward the front of the lamp by first and second reflectors.
  • Patent Document 1 describes a configuration in which the first and second light emitting elements are mounted on both upper and lower surfaces of a substrate in such a vehicle lamp.
  • a shade for shielding direct light emitted from the first light emitting element mounted on the upper surface of the substrate toward the front of the lamp is attached to the upper surface of the substrate.
  • it is configured to prevent the generation of glare light, but it is desired to realize such a function without increasing the number of components as much as possible.
  • An object of the present invention is to provide a vehicular lamp that can suppress the occurrence of stray light from the first and second light emitting elements without increasing the number of components.
  • the present disclosure is intended to achieve the above-described object by devising the configurations of the first and second reflectors.
  • the vehicular lamp according to the present disclosure is A substrate having the first light emitting element mounted on one surface and the second light emitting element mounted on the other surface; a first reflector for reflecting the emitted light from the first light emitting element toward the front of the lamp;
  • a vehicle lamp comprising: a second reflector that reflects the emitted light from the second light emitting element toward the front of the lamp;
  • the first reflector has a first reflection surface portion for reflecting light emitted from the first light emitting element, and a first reflector disposed so as to cover the substrate at a position closer to the substrate than the first reflection surface portion.
  • the second reflector is a second reflecting surface portion for reflecting the emitted light from the second light emitting element, and a second reflecting surface that covers the substrate at a position closer to the substrate than the second reflecting surface portion.
  • the first cover part is formed with a first light transmitting part for allowing the light emitted from the first light emitting element to enter the first reflecting surface part
  • the second cover part is formed with a second light transmitting part for making the emitted light from the second light emitting element incident on the second reflecting surface part
  • the substrate is sandwiched from both sides of the substrate by the first cover portion and the second cover portion.
  • first reflector the “second reflector”, and the “substrate” is not particularly limited.
  • first cover part and the “second cover part” may be disposed so as to cover the entire area of the substrate, or may be disposed so as to cover a partial area of the substrate.
  • first translucent portion and the “second translucent portion” are configured so that light emitted from each of the first and second light emitting elements is incident on each of the first and second reflective surface portions.
  • the specific configuration is not particularly limited, and may be configured by, for example, an opening such as a through hole or a slit or a transparent window.
  • the specific configuration for “clamping” the substrate from both sides thereof is not particularly limited, and may be configured to be performed, for example, by screw tightening, lance engagement, or adhesion.
  • the vehicular lamp according to the present disclosure is configured to reflect the emitted light from the first and second light emitting elements mounted on both surfaces of the substrate toward the front of the lamp by the first and second reflectors.
  • a first cover portion that covers the substrate is disposed on the substrate side of the first reflector with respect to the first reflector, and light emitted from the first light emitting element is incident on the first reflection surface portion on the first cover portion. The 1st translucent part of this is formed.
  • a second cover portion that covers the substrate is disposed closer to the substrate than the second reflection surface portion of the second reflector, and light emitted from the second light emitting element is input to the second reflection surface portion on the second cover portion.
  • a second light transmissive portion for incidence is formed. For this reason, it is possible to effectively suppress generation of stray light such as glare light due to light emitted from the first and second light emitting elements.
  • the substrate is sandwiched between the first cover portion and the second cover portion from both sides, the number of parts can be minimized and the generation of stray light can be suppressed.
  • the vehicular lamp configured to reflect the emitted light from the first and second light emitting elements mounted on both surfaces of the substrate toward the front of the lamp by the first and second reflectors. , The generation of stray light from the first and second light emitting elements can be suppressed without increasing the number of components.
  • the substrate holding structure can be simplified, thereby facilitating the assembly of the vehicle lamp. Is possible.
  • the lance engagement may be performed directly between the first cover portion and the second cover portion, or between the first cover portion and the substrate and between the second cover portion and the substrate. It may be configured to be performed respectively.
  • the board clamping structure at a position on the rear side of the lamp relative to each of the connection positions from the viewpoint of not affecting the light distribution performance of the vehicle lamp, but the board is securely clamped.
  • the substrate can be held in a state where the substrate is positioned at a plurality of positions on both the front and rear sides of each connection position without adversely affecting the light distribution performance.
  • the substrate is arranged with the surface on which the first light emitting element is mounted facing upward, and the first reflector is arranged on the upper side of the substrate. If the first reflector has a heat dissipation opening, heat generated by lighting the second light emitting element can be released to the space above the first reflector through the heat dissipation opening.
  • the first light emitting elements are arranged in a state where two first light emitting elements are arranged in the left-right direction
  • the first reflector is arranged in a state where the first reflecting surface portion and the first cover portion are arranged in the left-right direction.
  • the two first reflecting surface portions are used as heat radiation openings. If it is set as the structure formed in the connection position of two 1st reflective surface parts rather than a lamp
  • FIG. 1 Front view showing a vehicular lamp according to an embodiment of the present disclosure II-II sectional view of FIG. Sectional view along line III-III in Fig. 1
  • FIG. 2 which shows the 1st modification of the said embodiment.
  • FIG. 4 shows the 2nd modification of the said embodiment.
  • FIG. 1 is a front view showing a vehicular lamp 10 according to an embodiment of the present disclosure.
  • 2 is a cross-sectional view taken along line II-II in FIG. 1
  • FIG. 3 is a cross-sectional view taken along line III-III in FIG.
  • the direction indicated by X is “front” as a lamp (“front” as a vehicle).
  • the direction indicated by Y is the “left direction” orthogonal to “front” (“left direction” as a vehicle, but “right direction” in front view of the lamp).
  • the direction indicated by Z is “upward”. The same applies to other figures.
  • the vehicular lamp 10 is a two-wheeled vehicle headlamp, and includes a lamp body 12 and a transparent translucent cover 14 attached to a front end opening of the lamp body 12.
  • the lamp unit 20 is incorporated in the lamp chamber formed by The lamp unit 20 is supported by the lamp body 12 through an aiming mechanism (not shown).
  • FIG. 4 is a front view showing the lamp unit 20 disassembled into main components
  • FIG. 5 is a rear view thereof.
  • the lamp unit 20 includes a substrate 50 on which the first light emitting element 22 is mounted on the upper surface 50 a and the second light emitting element 24 on the lower surface 50 b, and the first light emitting element 22.
  • a first reflector 30 that reflects outgoing light toward the front of the lamp and a second reflector 40 that reflects outgoing light from the second light emitting element 24 toward the front of the lamp are provided.
  • the first light emitting elements 22 are arranged in a state in which two first light emitting elements 22 are arranged at a predetermined interval in the left-right direction.
  • the second light emitting element 24 is disposed at the center position in the left-right direction on the front side of the lamp relative to the two first light emitting elements 22.
  • Each of the first light emitting element 22 and the second light emitting element 24 is a white light emitting diode.
  • Each of the first light emitting elements 22 is arranged with its light emitting surface facing upward.
  • the second light emitting element 24 is arranged with its light emitting surface facing in a direction directly below.
  • a lighting control component for example, a resistor or a thermistor 52 for controlling the lighting of the first and second light emitting elements 22 and 24 is mounted on the rear region of the upper surface 50a of the substrate 50.
  • the first reflector 30 is disposed on the upper side of the substrate 50, and the second reflector 40 is disposed on the lower side of the substrate 50.
  • Each of the first and second reflectors 30 and 40 has a bilaterally symmetric shape, and a mirror surface treatment such as aluminum deposition is performed on the front surface thereof.
  • the first reflector 30 includes a pair of left and right first reflecting surface portions 32 and a first cover portion 34.
  • Each first reflection surface portion 32 is disposed so as to be located above each first light emitting element 22.
  • Each first reflective surface portion 32 includes a plurality of reflective elements 32s.
  • Each first reflection surface portion 32 reflects the emitted light from each first light emitting element 22 as light that spreads slightly in the left-right direction slightly downward by the plurality of reflection elements 32 s.
  • a low beam light distribution pattern is formed by the reflected light from the pair of left and right first reflecting surface portions 32.
  • Each first cover portion 34 is arranged so as to cover the substrate 50 at a position closer to the substrate 50 (that is, the lower side) than each first reflecting surface portion 32. Specifically, each of the first cover portions 34 extends slightly downward from the lower edge of each first reflecting surface portion 32 toward the front of the lamp, and extends horizontally in the left-right direction. A rear region 34B extending horizontally from the vicinity of the lower edge of the reflecting surface 32 toward the rear of the lamp.
  • each first cover portion 34 In the front area 34 ⁇ / b> A of each first cover portion 34, the light emitted from each first light emitting element 22 is incident on each first reflection surface portion 32, and the first light transmitting portion for shielding the other light. 34Aa is formed.
  • Each first light transmitting portion 34 ⁇ / b> Aa is formed as an opening extending in a substantially arc shape along the lower end edge of each first reflecting surface portion 32.
  • the front regions 34A of the pair of left and right first cover portions 34 are formed so as to be flush with each other and extend in the left-right direction, and the front end surfaces thereof are located in the vicinity of the inner surface of the translucent cover 14.
  • the second reflector 40 includes a second reflecting surface portion 42 and a second cover portion 44.
  • the second reflecting surface portion 42 is disposed so as to be positioned below the second light emitting element 24.
  • the second reflecting surface portion 42 includes a plurality of reflecting elements 42s.
  • the second reflecting surface portion 42 reflects the emitted light from the second light emitting element 24 as light that broadly expands in the left-right direction and slightly expands in the up-down direction by the plurality of reflecting elements 42s. As a result, a high beam additional light distribution pattern is formed.
  • the high beam additional light distribution pattern is added to the low beam light distribution pattern formed by the reflected light from the first reflector 30 to form a high beam light distribution pattern.
  • the second cover portion 44 is disposed so as to cover the substrate 50 at a position closer to the substrate 50 (that is, the upper side) than the second reflecting surface portion 42.
  • the second cover portion 44 includes a front region 44A that extends slightly upward from the upper edge of the second reflecting surface portion 42 toward the front of the lamp and extends horizontally in the left-right direction, and each first reflecting surface portion.
  • a rear region 44B extending horizontally from the vicinity of the upper end edge of 32 toward the rear of the lamp.
  • a second light transmitting portion 44Aa is formed for allowing the outgoing light from the second light emitting element 24 to enter the second reflecting surface portion 42 while blocking the other light.
  • the second light transmitting portion 44Aa is formed as an opening extending in a substantially arc shape along the upper end edge of the second reflecting surface portion.
  • the front region 44A of the second cover portion 44 is formed so that its front end surface is positioned substantially directly behind both front end surfaces in the vicinity below the pair of left and right first cover portions 34.
  • the lamp unit 20 of the present embodiment has a configuration in which the substrate 50 is sandwiched from both the upper and lower sides by the pair of left and right first cover portions 34 of the first reflector 30 and the second cover portion 44 of the second reflector 40. It has become.
  • FIG. 6 is a perspective view showing the first reflector 30 as viewed obliquely from the lower front.
  • the pair of left and right first cover portions 34 in the first reflector 30 face each other in a state in which the rear region 34B is raised with respect to the rear end portion of the front region 34A. It is formed in one horizontal plate shape, and a flange portion 34Ba that is bent in a direction directly below is formed at the rear edge portion and the left and right side edge portions.
  • bosses 34Bc projecting downward are formed at three locations of the substantially central portion and the left and right rear corner portions, respectively. Further, in the rear region 34B, positioning pins 34Bd projecting downward are respectively provided at two positions located on the inner side in the left-right direction with respect to the pair of left and right bosses 34Bc formed on the left and right rear corner portions. Is formed.
  • lances 34Ab for lance engagement are formed on the lower surface of the front region 34A of the pair of left and right first covers 34 in the first reflector 30, respectively.
  • Each lance 34Ab projects downward along a vertical plane extending in the front-rear direction of the lamp, and its tip engaging portion is formed to be opposite to each other between the pair of left and right lances 34Ab.
  • the second cover portion 44 of the second reflector 40 has a rear region 44B extending from the rear end portion of the front region 44A in a plate shape along the horizontal plane.
  • a flange portion 44 ⁇ / b> Ba that is bent in a direction directly above is formed at the rear edge portion and the left and right side edge portions.
  • boss engaging portions 44Bc and screw insertion holes 44Be that are engaged with the tip portions of the bosses 34Bc are formed at positions corresponding to the bosses 34Bc of the rear region 34B.
  • positioning pin insertion holes 44Bd through which the positioning pins 34Bd are inserted are formed at positions corresponding to the positioning pins 34Bd in the rear region 34B.
  • a plurality of beads 44Bf having the same height as the flange portion 44Ba are formed in the rear region 44B.
  • lance engagement holes 44Ab that engage with the lances 34Ab are formed at positions corresponding to the lances 34Ab in the front region 34A.
  • the substrate 50 is formed with boss insertion holes 50c through which the tip ends of the bosses 34Bc are inserted at positions corresponding to the bosses 34Bc of the rear region 34B, and the positioning pins 34Bd of the rear region 34B. Positioning pin insertion holes 50d through which the positioning pins 34Bd are inserted are respectively formed at positions corresponding to. Further, the substrate 50 is formed with lance insertion holes 50e through which the lances 34Ab are inserted at positions corresponding to the lances 34Ab of the front region 34A.
  • the substrate 50 is clamped by pressing the pair of left and right first cover portions 34 of the first reflector 30 against the upper surface 50a of the substrate 50 and pressing the second cover portion 44 of the second reflector 40 against the upper surface 50a of the substrate 50.
  • the screw 60 is inserted into the bosses 34Bc arranged at three positions of the first reflector 30 from below and tightened.
  • each lance 34Ab of the first reflector 30 is engaged with the second cover portion 44 via each lance insertion hole 50e of the substrate 50 and each lance engagement hole 44Ab of the second reflector 40.
  • the lance engagement between the first reflector 30 and the second reflector 40 is performed.
  • the screw 60 is inserted into the boss 34Bc through the screw insertion hole 44Be in a state in which the tip end portion of each boss 34Bc of the first reflector 30 is fitted into each boss engaging portion 44Bc of the second reflector 40. Is done by.
  • the flange portions 34Ba and 44Ba of the first and second reflectors 30 and 40 are located on the front side of the lamp with respect to the lighting control component 52 mounted on the upper surface 50a in a state where the substrate 50 is sandwiched.
  • the first reflector 30 has a heat radiating opening 34 ⁇ / b> Bg for releasing the heat generated in the second light emitting element 24 to the space above the first reflector 30 in the rear region 34 ⁇ / b> B of the pair of left and right first cover portions 34. Is formed.
  • the heat radiation opening 34Bg is formed at a connection position between the pair of left and right first reflecting surface portions 32 in the pair of left and right rear regions 34B so as to be located immediately above the second light emitting element 24.
  • the vehicular lamp 10 reflects light emitted from the first and second light emitting elements 22 and 24 mounted on both surfaces of the substrate 50 toward the front of the lamp by the first and second reflectors 30 and 40.
  • the first cover 30 is disposed on the substrate 50 side of the first reflector 30 with respect to the first reflecting surface portion 32, and the first cover portion 34 has a first cover 34.
  • a first light transmitting part 34 ⁇ / b> Aa for allowing the light emitted from the light emitting element 22 to enter the first reflecting surface part 32 is formed.
  • a second cover portion 44 that covers the substrate 50 is arranged on the substrate 50 side of the second reflector 40 with respect to the second reflecting surface portion 42, and the second cover portion 44 has an output from the second light emitting element 24.
  • a second light transmitting part 44Aa for allowing incident light to enter the second reflecting surface part 42 is formed. For this reason, it is possible to effectively suppress the generation of stray light such as glare light due to the light emitted from the first and second light emitting elements 22 and 24.
  • the substrate 50 is sandwiched by the first cover part 34 and the second cover part 44 from both sides, the number of parts can be minimized and the generation of stray light can be suppressed.
  • the emitted light from the first and second light emitting elements 22 and 24 mounted on both surfaces of the substrate 50 is reflected toward the front of the lamp by the first and second reflectors 30 and 40.
  • the vehicular lamp 10 configured as described above it is possible to suppress generation of stray light from the first and second light emitting elements 22 and 24 without increasing the number of parts.
  • the sandwiching structure of the substrate 50 can be simplified. Assembling can be easily performed.
  • this lance engagement is more forward of the lamp than the connection position between the first cover portion 34 and the first reflection surface portion 32 and the connection position between the second cover portion 44 and the second reflection surface portion 42. Since it is performed at the position, the following effects can be obtained.
  • the sandwiching structure of the substrate 50 is preferable from the viewpoint of not affecting the light distribution performance of the vehicular lamp 10 to be provided at a position on the rear side of the lamp relative to the connection positions. From the viewpoint of securely holding the substrate, it is preferable to position the substrate 50 at a position on the front side of the lamp rather than the above connection positions. In that respect, since the lance engagement can be performed with almost no adverse effect on the light distribution performance of the vehicular lamp 10, by performing this at a position on the front side of the lamp with respect to each of the connection positions described above, It is possible to hold the substrate 50 in a state in which the substrate 50 is positioned at a plurality of positions on both the front and rear sides of each connection position without adversely affecting the light distribution performance of the lamp 10.
  • this lance engagement is such that the tip engagement portion of each lance 34Ab extending along the vertical plane extending in the longitudinal direction of the lamp is directed downward from each lance engagement hole 44Ab formed in the front region 44A of the second cover portion 44. Therefore, when the interior of the lamp chamber is observed through the translucent cover 14 from the front of the lamp, the presence of the lamp can be made inconspicuous.
  • the substrate 50 is disposed with the surface on which the first light emitting element 22 is mounted facing upward, and the first reflector 30 is disposed above the substrate 50.
  • the heat radiation opening 34Bg is formed in the first reflector 30, the heat generated by the lighting of the second light emitting element 24 is transferred to the first reflector 30 through the heat radiation opening 34Bg. It can escape to the space above.
  • the two first light emitting elements 22 are arranged in the left-right direction, and the first reflector 30 has the first reflecting surface portion 32 and the first cover portion 34 in the left-right direction.
  • the two are arranged in a line.
  • the two first cover portions 34 are formed so as to extend further to the lamp rear side than the two first reflecting surface portions 32.
  • the heat radiation opening 34Bg is formed at a connection position between the two first reflection surface portions 32 on the rear side of the lamp with respect to the two first reflection surface portions 32. For this reason, heat radiation can be achieved without impairing the light distribution function of each first reflector 30.
  • the heat radiation opening 34Bg is formed so as to be located immediately above the second light emitting element 24, so that the heat radiation function can be maximized.
  • the vehicular lamp 10 is a motorcycle headlamp.
  • the vehicular lamp 10 is a vehicular lamp other than this, by adopting the same configuration as the above embodiment, It is possible to obtain the same effect as the embodiment.
  • FIG. 7 is a view similar to FIG. 2 showing the vehicular lamp 110 according to this modification.
  • the basic configuration of the vehicular lamp 110 is the same as that of the vehicular lamp 10 according to the above embodiment, but the configuration of the first and second reflectors 130 and 140 in the lamp unit 120 is the same. This is partly different from the above embodiment.
  • each of the first and second reflectors 130 and 140 of the present modification is made of a transparent member, and the front surface thereof is subjected to a mirror surface treatment such as aluminum deposition.
  • the second reflector 140 of the present modification also includes a second reflecting surface portion 142 and a second cover portion 144, like the second reflector 40 of the above embodiment.
  • a second light transmitting portion 144Aa is formed in the front region 144A of the second cover portion 144 to allow the light emitted from the second light emitting element 24 to enter the second reflecting surface portion 142 and to block other light.
  • the second light transmitting portion 144Aa is configured as a through portion by not applying a mirror surface treatment to a part of the surface of the front region 144A.
  • the second light transmitting portion 144Aa is formed so as to extend in a substantially arc shape along the upper end edge of the second reflecting surface portion 142, like the second light transmitting portion 44Aa of the above embodiment.
  • the first reflector 130 of the present modification also includes a pair of left and right first reflecting surface portions 132 and a first cover portion 134, similar to the first reflector 30 of the above embodiment.
  • the first light transmitting element for blocking the other light while allowing the outgoing light from the first light emitting element (not shown) to enter the first reflecting surface portion 132.
  • An optical part (not shown) is formed.
  • the first light transmitting portion is configured as a transparent portion similar to the second light transmitting portion 144Aa.
  • a heat radiation opening 134Bg similar to the heat radiation opening 34Bg of the above embodiment is formed in the rear region 134B of the pair of left and right first cover portions 134. ing.
  • FIG. 8 is a view similar to FIG. 4 showing the lamp unit 220 of the vehicular lamp according to this modification in an exploded manner.
  • the basic structure of the lamp unit 220 is the same as that of the lamp unit 20 of the above embodiment, but the lance engagement structure is different from that of the above embodiment.
  • lances 234Ab are formed on the lower surface of the front region 234A of the pair of left and right first cover portions 234 in the first reflector 230, respectively.
  • Each lance 234Ab projects downward along a vertical plane extending in the front-rear direction of the lamp in the same manner as each lance 34Ab in the above-described embodiment, and its tip engaging portion is opposite to each other between the pair of left and right lances 234Ab. It is formed to face.
  • a pair of left and right lances 244Ab are formed on the upper surface of the front region 244A of the second cover portion 244 in the second reflector 240.
  • Each lance 244Ab protrudes upward along a vertical plane extending in the front-rear direction of the lamp, and its tip engaging portion is formed to be opposite to each other between the pair of left and right lances 244Ab.
  • the pair of left and right lances 244Ab are formed at positions shifted inward in the left-right direction with respect to the pair of left and right lances 234Ab.
  • the basic configuration of the substrate 250 is the same as that of the substrate 50 of the above embodiment, but the lance engagement hole that engages the lance 234Ab at a position corresponding to the pair of left and right lances 234Ab. 250f is formed, and a lance engagement hole 250g for engaging with the lance 244Ab is formed at a position corresponding to the pair of left and right lances 244Ab.
  • substrate 250 of this modification is not formed with what corresponds to the pair of left and right lance insertion holes 50e formed in the board 50 of the above embodiment. Further, in the front region 244A of the second cover portion 244 in the second reflector 240 of this modification, a portion corresponding to the lance engagement hole 44Ab formed in the front region 44A of the above embodiment is formed. Absent.
  • the pair of left and right lances 234Ab and the pair of left and right lances 244Ab are made completely invisible from the front side of the lamp when the assembly of the lamp unit 220 is completed. Can do.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Selon la présente invention, après qu'une première partie de couvercle (34) recouvrant un substrat (50) est disposée plus près du substrat (50) qu'une première partie de surface de réflexion (32) d'un premier réflecteur (30), une première partie de transmission de lumière (34Aa) est formée sur la première partie de couvercle (34). Après qu'une seconde partie de couvercle (44) recouvrant le substrat (50) est disposée plus près du substrat (50) qu'une seconde partie de surface de réflexion (42) d'un second réflecteur (40), une seconde partie de transmission de lumière (44Aa) est formée sur la seconde partie de couvercle (44). Le substrat (50) est configuré de sorte à être fixé à partir de ses deux côtés de surface par la première partie de couvercle (34) et la seconde partie de couvercle (44). Par conséquent, il devient possible de réduire à un minimum le nombre de composants et de supprimer l'apparition d'une lumière parasite.
PCT/JP2019/015028 2018-04-24 2019-04-04 Outil d'éclairage pour un véhicule WO2019208154A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980027253.9A CN112005046A (zh) 2018-04-24 2019-04-04 车辆用灯具

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JP2018-083322 2018-04-24
JP2018083322A JP7131949B2 (ja) 2018-04-24 2018-04-24 車両用灯具

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JP2014207247A (ja) * 2014-08-04 2014-10-30 株式会社小糸製作所 光源ユニット及び車輌用灯具
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