JP6955662B2 - Lighting device - Google Patents

Lighting device Download PDF

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JP6955662B2
JP6955662B2 JP2019122850A JP2019122850A JP6955662B2 JP 6955662 B2 JP6955662 B2 JP 6955662B2 JP 2019122850 A JP2019122850 A JP 2019122850A JP 2019122850 A JP2019122850 A JP 2019122850A JP 6955662 B2 JP6955662 B2 JP 6955662B2
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circuit board
main body
cover
lighting device
holder
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JP2019160815A (en
JP2019160815A5 (en
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生佳 伊藤
生佳 伊藤
一真 成田
一真 成田
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TS Tech Co Ltd
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TS Tech Co Ltd
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  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Description

本発明は、回路基板と、回路基板の表面に実装される発光素子と、回路基板の表面を覆うホルダーとを備える照明装置に関する。 The present invention relates to a lighting device including a circuit board, a light emitting element mounted on the surface of the circuit board, and a holder covering the surface of the circuit board.

特許文献１は、車両室内の照明に使用される発光装置を開示する。発光装置はホルダーに支持される回路基板を備える。回路基板の表面には発光素子（ＬＥＤ素子）が実装される。ホルダーは、回路基板の表面を覆うカバーを備える。 Patent Document 1 discloses a light emitting device used for lighting a vehicle interior. The light emitting device includes a circuit board supported by a holder. A light emitting element (LED element) is mounted on the surface of the circuit board. The holder comprises a cover that covers the surface of the circuit board.

特開２０１２−０８９６０２号公報Japanese Unexamined Patent Publication No. 2012-089602

カバーにはレンズが一体化される。レンズの交換にあたってカバーごと交換されなければならない。 The lens is integrated with the cover. When replacing the lens, the entire cover must be replaced.

本発明は、上記実状に鑑みてなされたもので、簡単にレンズといった光学部品（光学部品）を交換することができる照明装置を提供することを目的とする。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting device capable of easily exchanging an optical component (optical component) such as a lens.

本発明の第１側面によれば、第１面およびその裏側の第２面を有する回路基板と、前記回路基板の前記第１面に実装される発光素子と、前記回路基板の前記第１面を覆って、発光素子の前方に開口を配置するホルダーと、前記ホルダーの前記開口に着脱自在に取り付けられる光学部品とを備え、前記ホルダーは、前記回路基板の第２面を受け止める本体と、前記開口を有すると共に前記本体に結合されて前記本体との間に前記回路基板を挟み込むカバーとを備え、前記カバーと前記本体との対向面には、相互に嵌り合う凹凸が形成され、前記本体には、該本体内で前記回路基板の長手方向に沿って延びて、その延出方向の端部が前記本体の１つの壁面に開口部を形成する空間と、前記本体内に埋設されて一端側の端部を該本体の前記回路基板に対向する底面から前記回路基板側に突出させるとともに、前記回路基板の長手方向に沿う方向に折り曲げられた他端側の端部を前記空間内に突出させる導電端子とが設けられて、前記導電端子の前記他端側の端部に接続される雄コネクターが前記開口部から挿脱自在に挿入され、前記カバーは、前記光学部品を着脱自在に受け入れる筒体を備えていて、その筒体の端部に当接するように、前記光学部品にはフランジが設けられていて、前記回路基板は、前記本体との結合時に前記導電端子の差し込みが出来るスルーホールを備える照明装置は提供される。 According to the first aspect of the present invention, a circuit board having a first surface and a second surface on the back side thereof, a light emitting element mounted on the first surface of the circuit board, and the first surface of the circuit board. The holder comprises a holder for arranging an opening in front of the light emitting element, and an optical component detachably attached to the opening of the holder. The holder includes a main body for receiving a second surface of the circuit board and the main body. A cover having an opening and being coupled to the main body and sandwiching the circuit board between the main body is provided, and unevenness that fits each other is formed on the facing surface between the cover and the main body, and the main body has an unevenness. Is a space extending in the main body along the longitudinal direction of the circuit board and having an end portion in the extending direction forming an opening in one wall surface of the main body, and one end side embedded in the main body. The end of the main body is projected from the bottom surface of the main body facing the circuit board toward the circuit board, and the end of the other end bent in the longitudinal direction of the circuit board is projected into the space. A conductive terminal is provided, and a male connector connected to the other end of the conductive terminal is removably inserted from the opening, and the cover is a cylinder that detachably receives the optical component. The optical component is provided with a flange so as to have a body and abut on the end of the cylinder, and the circuit board has a through hole into which the conductive terminal can be inserted when the circuit board is connected to the main body. Ru an illumination device is provided.

第２側面によれば、第１側面の構成に加えて、前記カバーは前記本体にリビングヒンジで一体に連結されている。 According to the second side surface, in addition to the configuration of the first side surface, the cover is integrally connected to the main body by a living hinge .

第３側面によれば、第２側面の構成に加えて、前記リビングヒンジが前記カバーの一方に設けられ、前記雄コネクターが挿入される前記開口部が前記カバーの他方側に設けられる。


According to the third side surface, in addition to the configuration of the second side surface, the living hinge is provided on one side of the cover, and the opening into which the male connector is inserted is provided on the other side of the cover.

第４側面によれば、第１〜第３側面のいずれかの構成に加えて、前記筒体と前記光学部品との間の部分は、相互に係り合う凹凸形状で形成されている。 According to the fourth side surface, in addition to the configuration of any of the first to third side surfaces , the portion between the tubular body and the optical component is formed in a concavo-convex shape that is intertwined with each other .

第５側面によれば、第１〜第４側面のいずれかの構成に加えて、前記筒体は前記カバーの表面から突出し、径方向に変位可能に１対の切り込みで仕切られて前記光学部品に係り合う弾性爪を有する。 According to the fifth side surface, in addition to the configuration of any of the first to fourth side surfaces , the tubular body protrudes from the surface of the cover and is partitioned by a pair of notches so as to be displaceable in the radial direction. Has elastic claws that engage with .

第６側面によれば、第４または第５側面の構成に加えて、前記光学部品は、前記筒体に嵌め入れられて前記発光素子の光を導く導光路を形成する光連結体を有する。 According to the sixth aspect, in addition to the configuration of the fourth or fifth aspect, the optical component has an optical connector that is fitted into the cylinder to form a light guide path that guides the light of the light emitting element .

第７側面によれば、第１〜第３側面のいずれかの構成に加えて、前記筒体は、前記開口を囲んで前記光学部品の雄ねじに噛み合う雌ねじを内周面に備える。 According to the seventh side surface, in addition to the configuration of any one of the first to third side surfaces , the tubular body is provided with a female screw on the inner peripheral surface that surrounds the opening and meshes with the male screw of the optical component .

第８側面によれば、第７側面の構成に加えて、前記光学部品は、前記筒体にねじ込まれて前記発光素子の光を導く導光路を形成する光連結体を有する。 According to the eighth side surface, in addition to the configuration of the seventh side surface, the optical component has an optical connector that is screwed into the tubular body to form a light guide path that guides the light of the light emitting element .

第９側面によれば、第１〜第８側面のいずれかの構成に加えて、前記回路基板は、複数のスルーホールを備えて着脱可能である。 According to the ninth side surface, in addition to the configuration of any one of the first to eighth side surfaces , the circuit board is provided with a plurality of through holes and is removable .

第１０側面によれば、第１〜第９側面の構成に加えて、前記ホルダーはドアトリムの構成材に固定される。 According to the tenth side surface, in addition to the configurations of the first to ninth side surfaces, the holder is fixed to the component of the door trim .

本発明によれば、ホルダーに対して光学部品は取り外されることができる。光学部品は交換されることができる。ホルダーには様々な種類の光学部品が取り付けられることが
できる。 According to the present invention , the optical component can be removed from the holder. The optics can be replaced. Various types of optical components can be attached to the holder .

自動車のドアトリムを概略的に示す模式図である。It is a schematic diagram which shows the door trim of an automobile schematicly. 第１照明装置の構成を概略的に示す（Ａ）分解斜視図、（Ｂ）カバーが開放された状態の斜視図、（Ｃ）レンズが取り外された状態の斜視図、および（Ｄ）全体斜視図である。(A) an exploded perspective view schematically showing the configuration of the first lighting device, (B) a perspective view with the cover open, (C) a perspective view with the lens removed, and (D) an overall perspective view. It is a figure. 第１照明装置の拡大垂直断面図である。It is an enlarged vertical sectional view of the 1st lighting apparatus. 第２照明装置の構成を概略的に示す全体斜視図である。It is an overall perspective view which shows the structure of the 2nd lighting apparatus schematicly. 着脱機構の構成を概略的に示す拡大斜視図である。It is an enlarged perspective view which shows the structure of the attachment / detachment mechanism schematicly. 係り合い機構の構成を概略的に示す拡大部分斜視図である。It is an enlarged partial perspective view which shows the structure of the engagement mechanism schematicly. 図５に対応し、他の具体例に係る着脱機構の構成を概略的に示す拡大斜視図である。FIG. 5 is an enlarged perspective view schematically showing a configuration of a detachable mechanism according to another specific example corresponding to FIG.

以下、添付図面を参照しつつ本発明の一実施形態を説明する。 Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

図１は自動車に搭載された照明システムの構成を概略的に示す。照明システム１１は、左右のドアトリム１２にそれぞれ埋め込まれて、点灯時にドアインサイドハンドル１３を照らし出す第１照明装置１４と、左右のドアアームレスト１５にそれぞれ埋め込まれて、点灯時にドアアームレスト１５の縁を照らし出す第２照明装置１６とを備える。第１照明装置１４および第２照明装置１６はＬＩＮ通信を介して自動車の制御ユニット（ＥＣＵ）１７に接続される。制御ユニット１７は第１照明装置１４および第２照明装置１６の点灯および消灯を制御する。ＬＩＮ通信によれば、第１照明装置１４および第２照明装置１６は制御ユニット１７との接続にあたって１本のワイヤーハーネス１８で直列または並列に接続されることができる。 FIG. 1 schematically shows the configuration of a lighting system mounted on an automobile. The lighting system 11 is embedded in the left and right door trims 12 and illuminates the door inside handle 13 when lit, and is embedded in the left and right door armrests 15 respectively, and the edges of the door armrest 15 are lit when lit. A second lighting device 16 for illuminating is provided. The first lighting device 14 and the second lighting device 16 are connected to the control unit (ECU) 17 of the automobile via LIN communication. The control unit 17 controls turning on and off the first lighting device 14 and the second lighting device 16. According to LIN communication, the first illuminating device 14 and the second illuminating device 16 can be connected in series or in parallel with one wire harness 18 when connecting to the control unit 17.

図２に示されるように、第１照明装置１４は、前面にレンズ（光学部品）２１を支持するホルダー２２を備える。ホルダー２２は、回路基板２３を支持する角柱形の本体２４と、本体２４に結合されて、本体２４との間に回路基板２３を挟み込むカバー２５とで形成される。本体２４およびカバー２５は例えば絶縁性の樹脂成形体から形成される。ここでは、カバー２５は本体２４にリビングヒンジ２６で一体に連結される。ホルダー２２はドアトリム１２の構成材に固定される。 As shown in FIG. 2, the first illuminating device 14 includes a holder 22 that supports a lens (optical component) 21 on the front surface. The holder 22 is formed by a prismatic main body 24 that supports the circuit board 23, and a cover 25 that is coupled to the main body 24 and sandwiches the circuit board 23 between the main body 24. The main body 24 and the cover 25 are formed of, for example, an insulating resin molded body. Here, the cover 25 is integrally connected to the main body 24 by a living hinge 26. The holder 22 is fixed to the constituent material of the door trim 12.

回路基板２３の第１面（表面）には、１つの発光素子２７と、発光素子２７の発光に寄与する１以上の電子部品２８とが実装される。これら発光素子２７および電子部品２８は配線パターンに例えばはんだ付けされる。はんだ付けにあたって例えばリフロー工程が用いられる。発光素子２７は例えばＬＥＤ（発光ダイオード）素子から構成される。ＬＥＤ素子は例えば面発光する。 One light emitting element 27 and one or more electronic components 28 that contribute to light emission of the light emitting element 27 are mounted on the first surface (surface) of the circuit board 23. The light emitting element 27 and the electronic component 28 are soldered to the wiring pattern, for example. For example, a reflow process is used for soldering. The light emitting element 27 is composed of, for example, an LED (light emitting diode) element. The LED element emits surface light, for example.

配線パターンは複数（ここでは４つ）のスルーホール２９を含む。スルーホール２９は、配線パターンの導電材から連続して、例えば円柱形状の空間を囲む導電壁で構成される。回路基板２３の基材は例えば絶縁性の樹脂材料やセラミック材料から成形される。 The wiring pattern includes a plurality of (here, four) through holes 29. The through hole 29 is formed of a conductive wall that is continuous with the conductive material of the wiring pattern and surrounds, for example, a cylindrical space. The base material of the circuit board 23 is molded from, for example, an insulating resin material or a ceramic material.

ホルダー２２の本体２４は、平面で構成されて回路基板２３の裏面（第１面の裏側の第２面）を支持する底面（支持面）３１と、底面３１を囲んで底面３１よりも前方に突出する囲い壁３２とを有する。底面３１は回路基板２３の輪郭と等しい形状を有する。囲い壁３２は、底面３１に直交して上下で向き合う１対の第１壁面３３ａ、３３ｂと、底面３１に直交して、左右で向き合って上下の第１壁面３３ａ、３３ｂ同士を接続する１対の第２壁面３４ａ、３４ｂとを有する。こうして囲い壁３２の内側に底面３１に接する平たい直方体の空間は区画される。 The main body 24 of the holder 22 is formed of a flat surface and has a bottom surface (support surface) 31 that supports the back surface of the circuit board 23 (the second surface on the back side of the first surface) and a bottom surface 31 that surrounds the bottom surface 31 and is in front of the bottom surface 31. It has a protruding enclosure wall 32. The bottom surface 31 has a shape equal to the contour of the circuit board 23. The enclosure wall 32 is a pair of first wall surfaces 33a and 33b that are orthogonal to the bottom surface 31 and face each other vertically, and a pair of first wall surfaces 33a and 33b that are orthogonal to the bottom surface 31 and face each other on the left and right sides to connect the upper and lower first wall surfaces 33a and 33b. It has the second wall surfaces 34a and 34b of the above. In this way, the space of the flat rectangular parallelepiped in contact with the bottom surface 31 is partitioned inside the enclosure wall 32.

囲い壁３２には、底面３１から特定の距離で離れる位置で底面３１に平行に広がって、底面３１の全周を囲む合わせ面３５が規定される。囲い壁３２で囲まれる空間は合わせ面３５に対して窪みを形成する。回路基板２３が窪みに収容されて、回路基板２３の裏面が底面３１に全面で重ねられると、第１壁面３３ａ、３３ｂおよび第２壁面３４ａ、３４ｂは、回路基板２３の４辺の外縁に接触し底面３１の垂直方向に回路基板２３の平行移動を案内することができる。ホルダー２２は底面３１で回路基板２３の裏面を支持する。底面３１は回路基板２３の裏面を支持する支持面として機能する。 The enclosure wall 32 is defined with a mating surface 35 that extends parallel to the bottom surface 31 at a position separated from the bottom surface 31 at a specific distance and surrounds the entire circumference of the bottom surface 31. The space surrounded by the enclosure wall 32 forms a recess with respect to the mating surface 35. When the circuit board 23 is housed in the recess and the back surface of the circuit board 23 is entirely overlapped with the bottom surface 31, the first wall surfaces 33a and 33b and the second wall surfaces 34a and 34b come into contact with the outer edges of the four sides of the circuit board 23. The parallel movement of the circuit board 23 can be guided in the vertical direction of the bottom surface 31. The holder 22 has a bottom surface 31 that supports the back surface of the circuit board 23. The bottom surface 31 functions as a support surface for supporting the back surface of the circuit board 23.

底面３１には４本の導電端子３６が突出する。導電端子３６は例えば電源端子や信号端子を含む。導電端子３６は線形状の導電材から成形される。個々の導電端子３６はいわゆるプレスフィット形状を有する先端を備える。４つの導電端子３６の配置は回路基板２３の表面に並ぶスルーホール２９の配列を反映する。回路基板２３の裏面が底面３１に重ねられると、導電端子３６はスルーホール２９を貫通する。プレスフィットの働きで導電端子３６は底面に回路基板２３を固定する。 Four conductive terminals 36 project from the bottom surface 31. The conductive terminal 36 includes, for example, a power supply terminal and a signal terminal. The conductive terminal 36 is formed from a linear conductive material. Each conductive terminal 36 has a tip having a so-called press-fit shape. The arrangement of the four conductive terminals 36 reflects the arrangement of the through holes 29 arranged on the surface of the circuit board 23. When the back surface of the circuit board 23 is overlapped with the bottom surface 31, the conductive terminal 36 penetrates the through hole 29. The conductive terminal 36 fixes the circuit board 23 to the bottom surface by the action of press fit.

カバー２５は回路基板２３の第１面（表面）を覆う。カバー２５の裏面には囲い壁３２の内側に嵌まり込む厚板片３７が配置される。厚板片３７の外周には囲い壁３２の合わせ面３５に受け止められる枠形状の重ね片３８が接続される。カバー２５は、例えば、重ね片３８で本体２４の合わせ面３５に凹凸状に固着される。固着には例えば溶着が用いられることができる。その他、厚板片３７が囲い壁３２に圧入されてカバー２５は閉じ位置に保持されてもよい。 The cover 25 covers the first surface (surface) of the circuit board 23. On the back surface of the cover 25, a thick plate piece 37 that fits inside the surrounding wall 32 is arranged. A frame-shaped overlapping piece 38 that is received by the mating surface 35 of the surrounding wall 32 is connected to the outer periphery of the thick plate piece 37. The cover 25 is, for example, fixed to the mating surface 35 of the main body 24 in an uneven shape by the stacking piece 38. For example, welding can be used for fixing. In addition, the plank piece 37 may be press-fitted into the surrounding wall 32 to hold the cover 25 in the closed position.

カバー２５は、開口４１を囲んで弾性変形に基づき着脱自在にレンズ２１を受け入れる筒体４２を備える。筒体４２はカバー２５の表面から突出する。図３に示されるように、カバー２５は、発光素子２７の前方に開口４１を配置する。開口４１は、発光素子２７の光軸ＣＸに同心の円形の輪郭を有する。筒体４２は同様に発光素子２７の光軸ＣＸに同軸の円筒空間を区画する。筒体４２に保持されるレンズ２１の光軸は発光素子２７の光軸ＣＸに重なる。 The cover 25 includes a tubular body 42 that surrounds the opening 41 and receives the lens 21 detachably based on elastic deformation. The tubular body 42 projects from the surface of the cover 25. As shown in FIG. 3, the cover 25 arranges the opening 41 in front of the light emitting element 27. The opening 41 has a circular contour concentric with the optical axis CX of the light emitting element 27. Similarly, the tubular body 42 partitions a cylindrical space coaxial with the optical axis CX of the light emitting element 27. The optical axis of the lens 21 held by the cylinder 42 overlaps the optical axis CX of the light emitting element 27.

ホルダー２２の本体２４には、該本体２４内で回路基板２３の長手方向に沿って延びて、その延出方向の端部が本体２４の１つの壁面に開口部を形成する空間４４と、本体２４内に埋設されて一端側である第１線形部３６ｂの端部を本体２４の回路基板２３に対向する底面３１から回路基板２３側に突出させるとともに、回路基板２３の長手方向に沿う方向に折り曲げられた他端側である第２線形部３６ｂの端部を空間４４内に突出させる導電端子３６とが設けられて、該空間４４と導電端子３６とでコネクター４３が確立される。即ち、コネクター４３は雌コネクターとして構成されて雄コネクターを受け入れる空間４４を区画する。また空間４４には個々の導電端子３６が突出し、導電端子３６は、底面３１で端部を突出させて底面３１に垂直に延びる第１線形部３６ａと、第１線形部３６ａから屈曲して、空間４４内で底面３１に平行に延びる第２線形部３６ｂとを有する。導電端子３６はホルダー２２の本体２４に埋め込まれ、埋め込みにあたって例えばインサート成型が用いられる。コネクター４３にはワイヤーハーネス１８に結合される雄コネクターが挿入される。雄コネクターはコネクター４３に着脱自在に結合されればよい。 The main body 24 of the holder 22 has a space 44 extending in the main body 24 along the longitudinal direction of the circuit board 23, and an end portion in the extending direction forming an opening in one wall surface of the main body 24, and a main body. The end of the first linear portion 36b, which is embedded in the 24 and is one end side, is projected from the bottom surface 31 of the main body 24 facing the circuit board 23 toward the circuit board 23, and in the direction along the longitudinal direction of the circuit board 23. A conductive terminal 36 is provided so that the end portion of the second linear portion 36b, which is the other end side of the bent portion, protrudes into the space 44, and the connector 43 is established between the space 44 and the conductive terminal 36. That is, the connector 43 is configured as a female connector to partition the space 44 that receives the male connector. Also protrudes individual conductive terminals 36 into the space 44, the conductive terminal 36 includes a first linear portion 36a extending perpendicular to the bottom surface 31 is protruded ends at the bottom 31, bent from the first linear portion 36a It has a second linear portion 36b extending parallel to the bottom surface 31 in the space 44. The conductive terminal 36 is embedded in the main body 24 of the holder 22 , and for embedding, for example, insert molding is used. A male connector coupled to the wire harness 18 is inserted into the connector 43. The male connector may be detachably connected to the connector 43.

図４に示されるように、第２照明装置１６は第１照明装置１４と同様に構成される。ただし、第２照明装置１６では、レンズ２１に代えて導光管４６がカバー２５の筒体４２に結合される。導光管４６は断面円形の管として形成される。導光管４６は、例えば、線方向に光を誘導するとともに、各断面の径方向に光を放射する。導光管４６は線形の照明を提供する。導光管４６以外の構成は第１照明装置１４と同様である。 As shown in FIG. 4, the second illuminating device 16 is configured in the same manner as the first illuminating device 14. However, in the second lighting device 16, the light guide tube 46 is coupled to the tubular body 42 of the cover 25 instead of the lens 21. The light guide tube 46 is formed as a tube having a circular cross section. The light guide tube 46, for example, guides light in the linear direction and radiates light in the radial direction of each cross section. The light guide tube 46 provides linear illumination. The configuration other than the light guide tube 46 is the same as that of the first lighting device 14.

図５に示されるように、レンズ２１および導光管４６には、筒体４２に嵌め入れられて発光素子２７の光を導く導光路を形成する光連結体４７が一体に形成される。光連結体４７は円筒面の外周を有する。円筒面の外径は筒体４２の内径の大きさ程度に設定されればよい。レンズ２１および導光管４６は発光素子２７側が平坦面とされ、光連結体４７はレンズ２７および導光管４６はの該平坦面に連結される。レンズ２１および導光管４６はの前記平坦面における光連結体４７の外方の部分はフランジ２１ａ，４６ａとされる。 As shown in FIG. 5, the lens 21 and the light guide tube 46 are integrally formed with an optical connecting body 47 that is fitted into the tubular body 42 to form a light guide path that guides the light of the light emitting element 27. The optical connector 47 has an outer circumference of a cylindrical surface. The outer diameter of the cylindrical surface may be set to about the size of the inner diameter of the tubular body 42. The lens 21 and the light guide tube 46 have a flat surface on the light emitting element 27 side, and the optical coupler 47 is connected to the flat surface of the lens 27 and the light guide tube 46. The outer portions of the optical coupling 47 on the flat surface of the lens 21 and the light guide tube 46 are flanges 21a and 46a.

光連結体４７と筒体４２との間には相互に係り合う凹凸形状で形成される着脱機構４８が配置される。着脱機構４８は、筒体４２の径方向に変位可能に１対の切り込み５１で筒体４２に仕切られて、光連結体４７に係り合う弾性爪５２を有する。ここでは、弾性爪５２は筒体４２の直径線上で１対配置される。光連結体４７の外周には弾性爪５２を受け入れる窪み５３が区画される。 A detachable mechanism 48 formed in a concavo-convex shape that is intertwined with each other is arranged between the optical coupling body 47 and the tubular body 42. The attachment / detachment mechanism 48 has an elastic claw 52 that is partitioned into the cylinder 42 by a pair of notches 51 so as to be displaceable in the radial direction of the cylinder 42 and is engaged with the optical connecting body 47. Here, a pair of elastic claws 52 are arranged on the diameter line of the tubular body 42. A recess 53 for receiving the elastic claw 52 is defined on the outer circumference of the optical coupling body 47.

弾性爪５２の先端には、筒体４２の軸心に直交する平面で構成されて開口４１に向き合う係り面５４と、係り面５４の径方向内端に稜線で接続されて、開口４１から遠ざかるにつれて径方向外側に広がる傾斜面５５とが区画される。窪み５３には、光連結体４７の軸心に直交する平面で構成されて、レンズ２１の外表面または導光管４６側に面する係り面５６が区画される。弾性爪５２の係り面５４が光連結体４７の係り面５６に面で接触することで、筒体４２からの光連結体４７の抜け落ちは防止される。弾性爪５２が径方向に外方に弾性変形すれば、弾性爪５２の係り面５４は光連結体４７の係り面５５から外れる。こうした係り合いの解除は筒体４２からレンズ２１や導光管４６の取り外しを実現する。 The tip of the elastic claw 52 is connected to the engaging surface 54, which is formed of a plane orthogonal to the axial center of the tubular body 42 and faces the opening 41, with a ridge line at the radial inner end of the engaging surface 54, and moves away from the opening 41. The inclined surface 55 that spreads outward in the radial direction is partitioned. The recess 53 is formed by a plane orthogonal to the axial center of the optical coupling body 47, and a engaging surface 56 facing the outer surface of the lens 21 or the light guide tube 46 side is partitioned. When the engaging surface 54 of the elastic claw 52 comes into contact with the engaging surface 56 of the optical connecting body 47 on the surface, the optical connecting body 47 is prevented from coming off from the tubular body 42. When the elastic claw 52 is elastically deformed outward in the radial direction, the engaging surface 54 of the elastic claw 52 is disengaged from the engaging surface 55 of the optical coupling body 47. The release of such engagement realizes the removal of the lens 21 and the light guide tube 46 from the tubular body 42.

次に本実施形態の作用を説明する。組み立てにあたって回路基板２３の第１面に発光素子２７および電子部品２８は実装される。回路基板２３はホルダー２２の本体２４に組み込まれる。回路基板２３の第２面はホルダー２２の底面３１に向き合わせられる。個々の導電端子３６に対応してスルーホール２９は位置決めされる。囲い壁３２の内側に回路基板２３が押し込まれると、第１壁面３３ａ、３３ｂや第２壁面３４ａ、３４ｂに沿って回路基板２３の移動は案内される。導電端子３６は対応するスルーホール２９を突き抜ける。導電端子３６とスルーホール２９との間に導電接続は確保される。プレスフィットの働きで回路基板２３はホルダー２２に固定される。 Next, the operation of this embodiment will be described. Upon assembly, the light emitting element 27 and the electronic component 28 are mounted on the first surface of the circuit board 23. The circuit board 23 is incorporated in the main body 24 of the holder 22. The second surface of the circuit board 23 faces the bottom surface 31 of the holder 22. Through holes 29 are positioned corresponding to the individual conductive terminals 36. When the circuit board 23 is pushed inside the enclosure wall 32, the movement of the circuit board 23 is guided along the first wall surfaces 33a and 33b and the second wall surfaces 34a and 34b. The conductive terminal 36 penetrates the corresponding through hole 29. A conductive connection is secured between the conductive terminal 36 and the through hole 29. The circuit board 23 is fixed to the holder 22 by the action of press fit.

次にリビングヒンジ２６を介してカバー２５は閉じられる。カバー２５の厚板片３７は囲い壁３２の内側に嵌め入れられる。囲い壁３２の合わせ面３５にカバー２５の重ね片３８は受け止められる。カバー２５の筒体４２にはレンズ２１または導光管４６のいずれかが連結される。このとき、光連結体４７の先端は弾性爪５２の傾斜面５５に接触する。傾斜面５５は、光連結体４７の進入に応じて径方向外側に駆動力を生み出す。この駆動力の働きで弾性爪５２は筒体４２の径方向外方に弾性変形する。こうして筒体４２に光連結体４７は受け入れられる。光連結体４７が押し込まれて筒体４２内で定位置に達すると、弾性爪５２の爪先は光連結体４７の窪み５３に進入し、弾性爪５２は原形に復帰する。弾性爪５２の係り面５４は光連結体４７の係り面５６に係り合う。光連結体４７と筒体４２との結合は完了する。 The cover 25 is then closed via the living hinge 26. The plank piece 37 of the cover 25 is fitted inside the enclosure wall 32. The overlapping piece 38 of the cover 25 is received on the mating surface 35 of the enclosure wall 32. Either the lens 21 or the light guide tube 46 is connected to the tubular body 42 of the cover 25. At this time, the tip of the optical coupling body 47 comes into contact with the inclined surface 55 of the elastic claw 52. The inclined surface 55 generates a driving force radially outward in response to the entry of the optical coupling body 47. The elastic claw 52 is elastically deformed outward in the radial direction by the action of this driving force. In this way, the optical connector 47 is accepted by the tubular body 42. When the optical connector 47 is pushed in and reaches a fixed position in the tubular body 42, the tip of the elastic claw 52 enters the recess 53 of the optical connector 47, and the elastic claw 52 returns to its original shape. The engaging surface 54 of the elastic claw 52 is engaged with the engaging surface 56 of the optical coupling body 47. The coupling between the optical coupling body 47 and the tubular body 42 is completed.

本実施形態では、ホルダー２２に着脱自在にレンズ２１や導光管４６といった光学部品は取り付けられる。ホルダー２２に対してレンズ２１や導光管４６は取り外されることができる。レンズ２１や導光管４６は交換されることができる。ホルダー２２には様々な種類の光学部品が取り付けられることができる。様々な種類の光学部品に共通にホルダー２２は利用されることができる。 In the present embodiment, optical components such as a lens 21 and a light guide tube 46 are detachably attached to the holder 22. The lens 21 and the light guide tube 46 can be removed from the holder 22. The lens 21 and the light guide tube 46 can be replaced. Various types of optical components can be attached to the holder 22. The holder 22 can be commonly used for various types of optical components.

ホルダー２２は、回路基板２３の裏面を受け止める本体２４と、開口４１を有し、本体２４に結合されて本体２４との間に回路基板２３を挟み込むカバー２５とを備える。回路基板２３は、相互に結合される本体２４とカバー２５との間に挟まれるので、ホルダー２２に対して回路基板２３は簡単に取り付けられることができる。 The holder 22 includes a main body 24 that receives the back surface of the circuit board 23, and a cover 25 that has an opening 41 and is coupled to the main body 24 to sandwich the circuit board 23 between the main body 24 and the main body 24. Since the circuit board 23 is sandwiched between the main body 24 and the cover 25 which are coupled to each other, the circuit board 23 can be easily attached to the holder 22.

ホルダー２２のカバー２５は、開口４１を囲んで弾性変形に基づき着脱自在にレンズ２１または導光管４６の光連結体４７を受け入れる筒体４２を有する。筒体４２の弾性変形に応じてレンズ２１や導光管４６といった光学部品は簡単にカバー２５に取り付けられることができる。 The cover 25 of the holder 22 has a tubular body 42 that surrounds the opening 41 and detachably receives the optical coupling body 47 of the lens 21 or the light guide tube 46 based on elastic deformation. Optical components such as the lens 21 and the light guide tube 46 can be easily attached to the cover 25 according to the elastic deformation of the tubular body 42.

ホルダー２２の筒体４２はカバー２５の表面から突出する。レンズ２１や導光管４６といった光学部品は取り付け位置に簡単に位置合わせされることができる。 The tubular body 42 of the holder 22 projects from the surface of the cover 25. Optical components such as the lens 21 and the light guide tube 46 can be easily aligned with the mounting position.

カバー２５の筒体４２と光学部品の光連結体４７との間には、相互に係り合う凹凸形状で形成される着脱機構４８が配置される。レンズ２１や導光管４６といった光学部品は簡単にホルダー２２から取り外されることができる。 Between the tubular body 42 of the cover 25 and the optical connecting body 47 of the optical component, a detachable mechanism 48 formed in a concavo-convex shape that is intertwined with each other is arranged. Optical components such as the lens 21 and the light guide tube 46 can be easily removed from the holder 22.

着脱機構４８は、径方向に変位可能に１対の切り込みで筒体４２に仕切られて、光連結体４７に係り合う弾性爪５２を有する。レンズ２１や導光管４６といった光学部品は簡単に着脱されることができる。 The attachment / detachment mechanism 48 has an elastic claw 52 that is partitioned into a tubular body 42 by a pair of notches so as to be displaceable in the radial direction and is engaged with the optical connecting body 47. Optical components such as the lens 21 and the light guide tube 46 can be easily attached and detached.

レンズ２１や導光管４６といった光学部品は、筒体４２に嵌め入れられて発光素子２７の光を導く導光路を形成する光連結体４６を有する。光学部品の機能が相違しても、共通して光連結体４７が光学部品に形成されれば、種類を問わずに光学部品は筒体４２に結合されることができる。 Optical components such as the lens 21 and the light guide tube 46 have an optical connector 46 that is fitted into the tubular body 42 to form a light guide path that guides the light of the light emitting element 27. Even if the functions of the optical components are different, if the optical coupling body 47 is formed in the optical components in common, the optical components can be coupled to the tubular body 42 regardless of the type.

カバー２５は本体２４にリビングヒンジ２６で一体に連結される。カバー２５が本体２４に一体成型されることで、製造コストは低減される。 The cover 25 is integrally connected to the main body 24 by a living hinge 26. By integrally molding the cover 25 with the main body 24, the manufacturing cost is reduced.

図６に示されるように、ホルダー２２では本体２４とカバー２５との間に係り合い機構５７が配置されてもよい。ここでは、係り合い機構５７は、例えば厚板片３７でリビングヒンジ２６から最も離れた端面に配置される突起５８と、囲い壁３２でリビングヒンジ２６から最も離れた第１壁面３３ｂに配置される凹み５９とを有する。突起５８は、重ね片３８から規定の距離で離れた位置で端面から突出する。凹み５９は、合わせ面３５から規定の距離で離れた位置で合わせ面３５から窪む。カバー２５の厚板片３７が囲い壁３２の内側に嵌め込まれると、例えば囲い壁３２の弾性変形に応じて突起５８は凹み５９に進入することができる。こうして突起５８および凹み５９の係り合いに応じてカバー２５は閉鎖位置に保持される。囲い壁３２の弾性変形に応じて突起５８および凹み５９の係り合いは解除されることができる。こうしてカバー２５の開閉は実現される。 As shown in FIG. 6, in the holder 22, the engagement mechanism 57 may be arranged between the main body 24 and the cover 25. Here, the engagement mechanism 57 is arranged, for example, on the protrusion 58 arranged on the end face of the plank piece 37 farthest from the living hinge 26, and on the first wall surface 33b of the surrounding wall 32 farthest from the living hinge 26. It has a recess 59 and. The protrusion 58 projects from the end face at a position separated from the stack 38 at a predetermined distance. The recess 59 is recessed from the mating surface 35 at a position separated from the mating surface 35 by a predetermined distance. When the plank piece 37 of the cover 25 is fitted inside the enclosure wall 32, the protrusion 58 can enter the recess 59, for example, in response to the elastic deformation of the enclosure wall 32. In this way, the cover 25 is held in the closed position according to the engagement of the protrusion 58 and the recess 59. The engagement of the protrusion 58 and the recess 59 can be released according to the elastic deformation of the enclosure wall 32. In this way, the opening and closing of the cover 25 is realized.

図７は他の実施形態に係る着脱機構４８の構成を概略的に示す。カバー２５は、開口４１を囲んで、光連結体６１の雄ねじ６２に噛み合う雌ねじ６４を内周面に有する筒体６４を有する。他の構造は前述の第１照明装置１４および第２照明装置１６と同様である。ねじ構造に基づきレンズ２１や導光管４６といった光学部品は強固にカバー２５に取り付けられることができる。光学部品の機能が相違しても、共通して光連結体６１が光学部品に形成されれば、種類を問わずに光学部品は筒体６４に結合されることができる。 FIG. 7 schematically shows the configuration of the attachment / detachment mechanism 48 according to another embodiment. The cover 25 has a tubular body 64 that surrounds the opening 41 and has a female screw 64 on its inner peripheral surface that meshes with the male screw 62 of the optical coupling body 61. Other structures are the same as those of the first lighting device 14 and the second lighting device 16 described above. Based on the screw structure, optical components such as the lens 21 and the light guide tube 46 can be firmly attached to the cover 25. Even if the functions of the optical components are different, if the optical coupling body 61 is formed in the optical components in common, the optical components can be coupled to the tubular body 64 regardless of the type.

１４…照明装置（第１照明装置）、１６…照明装置（第２照明装置）、２１…光学部品（レンズ）、２１ａ…フランジ、２２…ホルダー、２３…回路基板、２３ａ…第１面（表面または裏面）、２４…本体、２５…カバー、２６…リビングヒンジ、２７…発光素子、２９…スルーホール、３６ａ…回路基板の一端側（第１線形部）、３６ｂ…回路基板の他端側（第２線形部）、４１…開口、４２…筒体、４４…空間、４６…光学部品（導光管）、４６ａ…フランジ、４７…光連結体、４８…着脱機構、５１…切り込み、５２…弾性爪、５３…窪み、６１…光連結体、６２…雄ねじ、６３…雌ねじ、６４…筒体。 14 ... Lighting device (first lighting device), 16 ... Lighting device (second lighting device), 21 ... Optical component (lens), 21a ... Flange, 22 ... Holder, 23 ... Circuit board, 23a ... First surface (surface) Or back side), 24 ... main body, 25 ... cover, 26 ... living hinge, 27 ... light emitting element, 29 ... through hole, 36a ... one end side of circuit board (first linear part), 36b ... other end side of circuit board (or other side) 2nd linear part), 41 ... opening, 42 ... cylinder, 44 ... space, 46 ... optical component ( light guide tube), 46a ... flange, 47 ... optical connector, 48 ... attachment / detachment mechanism, 51 ... notch, 52 ... Elastic claw, 53 ... recess, 61 ... optical connector, 62 ... male screw, 63 ... female screw, 64 ... tubular body.

Claims (10)

第１面およびその裏側の第２面を有する回路基板と、前記回路基板の前記第１面に実装される発光素子と、前記回路基板の前記第１面を覆って、発光素子の前方に開口を配置するホルダーと、前記ホルダーの前記開口に着脱自在に取り付けられる光学部品とを備え、
前記ホルダーは、前記回路基板の第２面を受け止める本体と、前記開口を有すると共に前記本体に結合されて前記本体との間に前記回路基板を挟み込むカバーとを備え、
前記カバーと前記本体との対向面には、相互に嵌り合う凹凸が形成され、
前記本体には、該本体内で前記回路基板の長手方向に沿って延びて、その延出方向の端部が前記本体の１つの壁面に開口部を形成する空間と、前記本体内に埋設されて一端側の端部を該本体の前記回路基板に対向する底面から前記回路基板側に突出させるとともに、前記回路基板の長手方向に沿う方向に折り曲げられた他端側の端部を前記空間内に突出させる導電端子とが設けられて、前記導電端子の前記他端側の端部に接続される雄コネクターが前記開口部から挿脱自在に挿入され、
前記カバーは、前記光学部品を着脱自在に受け入れる筒体を備えていて、その筒体の端部に当接するように、前記光学部品にはフランジが設けられていて、前記回路基板は、前記本体との結合時に前記導電端子の差し込みが出来るスルーホールを備えることを特徴とする照明装置。 A circuit board having a first surface and a second surface on the back side thereof, a light emitting element mounted on the first surface of the circuit board, and the first surface of the circuit board are covered and opened in front of the light emitting element. A holder for arranging the holder and an optical component that can be detachably attached to the opening of the holder .
The holder includes a main body that receives the second surface of the circuit board, and a cover that has the opening and is coupled to the main body to sandwich the circuit board between the main body.
Concavities and convexities that fit each other are formed on the facing surfaces of the cover and the main body.
The main body has a space extending in the main body along the longitudinal direction of the circuit board and an end portion in the extending direction forming an opening in one wall surface of the main body, and is embedded in the main body. One end of the main body is projected from the bottom surface of the main body facing the circuit board toward the circuit board, and the other end of the main body is bent in the longitudinal direction of the circuit board in the space. A conductive terminal is provided, and a male connector connected to the other end of the conductive terminal is removably inserted from the opening.
The cover includes a tubular body that detachably receives the optical component, and the optical component is provided with a flange so as to abut on the end of the tubular body, and the circuit board is the main body. lighting device according to claim Rukoto with a through hole plug can be of the conductive terminals when coupled with. 請求項１に記載の照明装置において、前記カバーは前記本体にリビングヒンジで一体に連結されていることを特徴とする照明装置。The lighting device according to claim 1, wherein the cover is integrally connected to the main body by a living hinge. 請求項２に記載の照明装置において、前記リビングヒンジが前記カバーの一方に設けられ、前記雄コネクターが挿入される前記開口部が前記カバーの他方側に設けられることを特徴とする照明装置。
The lighting device according to claim 2 , wherein the living hinge is provided on one side of the cover, and the opening into which the male connector is inserted is provided on the other side of the cover.
 請求項１〜３のいずれか１項に記載の照明装置において、前記筒体と前記光学部品との間の部分は、相互に係り合う凹凸形状で形成されていることを特徴とする照明装置。The illuminating device according to any one of claims 1 to 3, wherein a portion between the tubular body and the optical component is formed in an uneven shape that is intertwined with each other. 請求項１〜４のいずれか１項に記載の照明装置において、前記筒体は前記カバーの表面から突出し、径方向に変位可能に１対の切り込みで仕切られて前記光学部品に係り合う弾性爪を有することを特徴とする照明装置。In the lighting device according to any one of claims 1 to 4, the tubular body protrudes from the surface of the cover, is partitioned by a pair of notches so as to be displaceable in the radial direction, and is an elastic claw that engages with the optical component. A lighting device characterized by having. 請求項４または５に記載の照明装置において、前記光学部品は、前記筒体に嵌め入れられて前記発光素子の光を導く導光路を形成する光連結体を有することを特徴とする照明装置。The illuminating device according to claim 4 or 5, wherein the optical component has an optical connector that is fitted into the tubular body to form a light guide path that guides the light of the light emitting element. 請求項１〜３のいずれか１項に記載の照明装置において、前記筒体は、前記開口を囲んで前記光学部品の雄ねじに噛み合う雌ねじを内周面に備えることを特徴とする照明装置。The lighting device according to any one of claims 1 to 3, wherein the tubular body is provided with a female screw on an inner peripheral surface that surrounds the opening and meshes with a male screw of the optical component. 請求項７に記載の照明装置において、前記光学部品は、前記筒体にねじ込まれて前記発光素子の光を導く導光路を形成する光連結体を有することを特徴とする照明装置。The illuminating device according to claim 7, wherein the optical component has an optical connector that is screwed into the tubular body to form a light guide path that guides the light of the light emitting element. 請求項１〜８のいずれか１項に記載の照明装置において、前記回路基板は、複数のスルーホールを備えて着脱可能であることを特徴とする照明装置。The lighting device according to any one of claims 1 to 8, wherein the circuit board is provided with a plurality of through holes and is removable. 請求項１〜９のいずれか１項に記載の照明装置において、前記ホルダーはドアトリムの構成材に固定されることを特徴とする照明装置。The lighting device according to any one of claims 1 to 9, wherein the holder is fixed to a component of a door trim.
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