JP4061479B2

JP4061479B2 - LED light source device

Info

Publication number: JP4061479B2
Application number: JP2002207158A
Authority: JP
Inventors: 健一石井; 康雄今井; 健一山田
Original assignee: Mitsubishi Electric Lighting Corp
Current assignee: Mitsubishi Electric Lighting Corp
Priority date: 2002-07-16
Filing date: 2002-07-16
Publication date: 2008-03-19
Anticipated expiration: 2022-07-16
Also published as: JP2004055160A

Description

【０００１】
【発明の属する技術分野】
この発明は、複数のＬＥＤを光源として基板に実装したＬＥＤ集積光源を用いたＬＥＤ光源装置に関し、特にＬＥＤ集積光源とこのＬＥＤ集積光源に給電するソケットの構造に関する。
【０００２】
【従来の技術】
図１６は特開２０００−１００２１９号公報に記載された従来のＬＥＤ集積光源の斜視図である（従来例１）。図において、４１はＬＥＤ光源、４２は折り曲げ部４２ａを有する１枚の基板であり、表面に複数のＬＥＤ光源４１が搭載され、裏面には各ＬＥＤに通電するための電極が基板４２の両側縁部に設けられている。４３は電路を兼ねた断面コの字形の金属枠であり、端子部４４と基板４２の電極を接触させるようにＬＥＤ基板の両縁部に嵌めて圧接して基板４２と一体化し湾曲させている。
このように構成されたＬＥＤ光源装置は、端子部４４の孔を介してねじ１５によりＬＥＤ光源装置本体のハウジング本体のボス部４５に取り付けられる。電源コード１８は端子部４４にねじ１５で共締めされ、ＬＥＤ光源４１を実装した基板４２への電気的接続が行われる。
【０００３】
図１７は特開２００２−９３２０４号公報に記載されたＬＥＤ光源装置の斜視図である（従来例２）。図において、４６はＬＥＤ集積光源ユニットであり、基板４７、ＬＥＤ光源４１、基板４７の両縁に設けられたコネクタ４８ａから構成される。
４７は複数のコネクタ４８ｂを備えたマザーユニットであり、マザーユニット４７の複数のコネクタ４８ｂに各々ＬＥＤユニット４６のコネクタ４８ａを挿入して取付けると同時に電気的接続がなされＬＥＤ光源装置が構成される。
【０００４】
図１８は特開２０００−３０６４１８号公報に記載されたＬＥＤを用いた棒状ランプの斜視図（従来例３）である。図において、４１は支持板に支持された複数のＬＥＤ光源、４９はＬＥＤ光源４１の両電極端子が電気的接続された端子板、５２は端子板を配設したコネクター部、５０は電気接続用コネクタ５１の電源ピンである。この構成において、ＬＥＤ光源４１は、電気接続用コネクタ５１に設けられた電源ピン５０により電気的に接続される。
【０００５】
【発明が解決しようとする課題】
しかしながら、上記のような従来のＬＥＤ光源４１を実装した基板４２の光源装置本体への取付け及び電気的接続において、従来例１ではＬＥＤ光源４１を実装した基板４２を取り換える際は、光源装置本体にねじ１５でねじ止めをするとともに電気的接続を行う必要があり簡単でなかった。従来例２では、マザーユニット４７にコネクタ４８ａ、４８ｂを介してＬＥＤユニット４６を一本づつ取付ける必要があり簡単ではなく、また、基板４７の強度が不足して光源の交換時に不具合が生じる恐れがあった。従来例３ではＬＥＤ光源４１の電極端子を端子板４９に接続し、さらに、この端子板４９を電気接続用コネクタ５１により接続をする必要があり、いずれも交換が容易でなく、使用者が交換するものでなく、基板単体で入手もできないという問題があった。
【０００６】
また、従来例１〜３のいずれも、基板４２、４６等と光源装置本体を構成するケースの取付け面の間に空間があり、ＬＥＤ光源４１から発生した熱が放熱しにくくＬＥＤ光源４１の素子温度が高くなり、結果としてＬＥＤ光源４１の寿命が短くなるという問題があった。
【０００７】
この発明は上記のような問題点を解消するためになされたもので、複数のＬＥＤ光源を基板に実装したＬＥＤ集積光源であるＬＥＤ集積光源ユニットを白熱電球、蛍光ランプなどと同様に簡単に交換でき、また、ＬＥＤ光源の温度を低く抑制して寿命を長くし、さらに、ＬＥＤ集積光源ユニットを連結して大きな集積光源化を図った信頼性の高いＬＥＤ光源装置を提供することを目的とする。
【０００８】
【課題を解決するための手段】
この発明に係るＬＥＤ光源装置は、装置本体と、一端に給電部を他端に非給電部を有する電路パターンを設けた基板に複数のＬＥＤを光源として実装したＬＥＤ集積光源ユニットと、上記装置本体に設けられ上記ＬＥＤ集積光源ユニットの給電部側端部を着脱自在に保持するとともに上記ＬＥＤ集積光源ユニットに給電するソケットと、このソケットに対向して上記装置本体に設けられ上記ＬＥＤ集積光源ユニットの非給電部側端部を保持する保持部と、を備え、上記ソケットは、上記ＬＥＤ集積光源ユニットの上記給電部側端部を挿入する挿入部と、この挿入部に設けられ上記ＬＥＤ集積光源ユニットの上記給電部に接触するように配設されたばね性を有する端子板と、を備え、上記保持部は、保持カバーと、この保持カバー内に設けられ、挿入・排出方向に摺動自在に摺動し、上記ＬＥＤ集積光源ユニットの上記非給電部側端部を保持する保持片と、この保持片をＬＥＤ集積光源ユニット側に付勢する付勢手段と、を備えたものである。
【０００９】
また、ソケットを装置本体から遠ざかる方向に回動可能に上記装置本体に取付けるようにしたものである。
【００１０】
また、装置本体と、一端に給電を行うランプ口金とこのランプ口金に接続された電路パターンを有する基板に複数のＬＥＤを光源として実装したＬＥＤ集積光源ユニットと、上記装置本体に設けられ上記ＬＥＤ集積光源ユニットの上記ランプ口金を着脱自在に保持するとともに上記ＬＥＤ集積光源ユニットに給電するソケットと、を備え、上記ランプ口金は、上記基板の一端に設けられた口金絶縁部と、上記口金絶縁部に固定され、一端が上記基板の上記電路パターンに接続され他端が上記口金絶縁部から突出した一対のランプピンとを備え、上記ソケットは、上記ＬＥＤ集積光源ユニットの上記ランプ口金が挿入される挿入部と、この挿入部に設けられ上記ランプ口金の上記ランプピンが挿嵌される受けばねとを備えたものである。
【００１１】
また、ＬＥＤ集積光源ユニットのランプ口金と反対側に基板の電路パターンに接続された一対の受けばねを有する連結部を備え、上記連結部の上記受けばねに他のＬＥＤ集積光源ユニットのランプ口金のランプピンを挿嵌することにより、複数のＬＥＤ集積光源ユニットを連結可能としたものである。
【００１２】
また、ＬＥＤ集積光源ユニットの口金絶縁部に設けられた誤接続防止用の凹部または凸部と、ソケットの内側に、上記ＬＥＤ集積光源ユニットが挿入されたとき、上記口金絶縁部に設けられた上記凹部または凸部が係合する係合部を設けたものである。
【００１３】
また、ＬＥＤ集積光源ユニットの表面に薄板状の絶縁カバーを配設したものである。
【００１４】
また、ＬＥＤを実装した基板の長手方向の両端部にそれぞれ断面略コの字状の補強部材を嵌合したものである。
【００１５】
また、ＬＥＤ集積光源ユニットをソケットへ取付けたときに、前記ＬＥＤ集積光源ユニットが接触する凸状の平面部を装置本体に設けたものである。
【００１６】
また、凸状の平面部に熱伝導シートを設けたものである。
【００１７】
【発明の実施の形態】
実施の形態１．
図１はこの発明の実施の形態１に係るＬＥＤ光源装置を示す斜視図、図２は図１のＬＥＤ光源装置の要部構成要素のＬＥＤ集積光源ユニットとこのＬＥＤ集積光源ユニットに電気を給電するためのソケットと保持部の分解斜視図、図３は図２に示す要部構成部材をさらに分解した詳細な分解斜視である。図４はＬＥＤ集積光源ユニットをソケットに取り付けた状態を示す要部正面図、図５はＬＥＤ集積光源ユニットをソケットに取り付けた状態を示す要部断面図、図６はＬＥＤ集積光源ユニットの取付け要領を示す部分断面図である。
【００１８】
図１において、ＬＥＤ光源装置は、このＬＥＤ光源装置本体２７の下面凹部に設けられた平面部４と、ＬＥＤ集積光源ユニット１、この平面部４に取り付けられＬＥＤ集積光源ユニット１の一端が挿入され電気的接続をするソケット２と、ＬＥＤ集積光源ユニット１の他端部を支持する保持部３がそれぞれ４個配設されている。
図２において、ＬＥＤ集積光源ユニット１は、表面実装用のＬＥＤ光源８と電路パターン９を形成した基板７より構成され、９ａは給電部、９ｂは非給電部、であり、７ａは給電部側端部、７ｂは非給電部側端部である。ソケット２はＬ形受け部１１、Ｌ形受け部カバー１２を備え、保持部３は、保持片である摺動支持片１４と摺動支持片を保持する保持カバーである摺動片固定カバー１６を備える。
【００１９】
次に、図３によりＬＥＤ光源装置の構成を詳細に説明する（図１、２に示したものは一部省略）。１０はＬＥＤ集積光源ユニット１の電路パターン９を絶縁保護するための絶縁カバー、２は内部にバネ性を有する導電性金属の帯板を湾曲させて形成された一対のＬ形の端子板１３とこの端子板１３の外郭となるＬ形受け部１１及び両側壁に円筒状の一対の凸部５を形成したＬ形受け部カバー１２から構成されるソケット、３７は上記円筒状の凸部５と回動自在に嵌合するＬ形金具、３はＬＥＤ集積光源ユニット１をソケット２に挿入する際その挿入方向に摺動自在に可動する摺動支持片１４とこの摺動支持片１４を上記ソケット２の方向に付勢する板ばね１７と上記摺動支持片１４及び板ばね１７を内蔵する摺動片固定カバー１６から構成される保持部である。２９は摺動支持片１４の下側に形成された摺動支持片１４の操作用取っ手である。
なお、絶縁カバー１０に白色塗装を行えば反射板も兼ねることができる。
【００２０】
以上の各部材をを取付けた状態の側面図が図４であり断面図が図５である。図４、５において図１〜３で説明した部分は説明を省略する。４ａは装置本体の平面部４に形成した凸状の平面部であり、ＬＥＤ集積光源ユニット１をソケットへ取付けたときに、ＬＥＤ集積光源ユニット１が接触するようにしている。
なお、ＬＥＤ用の電源はＬＥＤ集積光源ユニット１内か本体内に設けられる。
【００２１】
次に、ＬＥＤ集積光源ユニット１を本体２７の平面部４に取り付ける手順を図６により説明する。
まず、ソケット２を円筒状の凸部５を中心にＬＥＤ光源装置本体２７の平面部４から遠ざかる方向に回動させ、ＬＥＤ集積光源ユニット１を取り付けやすい位置にする。そして、ＬＥＤ集積光源ユニット１の給電側端部７ａをソケット２に挿入すると、一対の端子板１３がＬＥＤ集積光源ユニット１の電路パターン９の給電部９ａが接触して電気的接続がされるとともに、ＬＥＤ集積光源ユニット１がＬ形受け部１１側に付勢され、ＬＥＤ集積光源ユニット１がソケット２に固定される。
【００２２】
次に、ＬＥＤ集積光源ユニット１を含めてソケット２を円筒状の凸部５を中心にＬＥＤ光源装置本体２７の平面部４の側に回動させ保持部３を構成する摺動片固定カバー１６の基台３８部分に密着させる。このとき、摺動支持片１４は操作用取っ手２９をソケット２と反対方向に摺動させＬＥＤ集積光源ユニット１がぶつからないようにする。
【００２３】
そして、ＬＥＤ集積光源ユニット１の非給電側端部７ｂを基台３８に密着させた後、摺動支持片１４の操作用取っ手２９から手を離すと、板バネ１７の付勢力により摺動支持片１４がソケット２の方に摺動し、摺動支持片１４の支持部１４ａがＬＥＤ集積光源ユニット１の下側に位置するようになりＬＥＤ集積光源ユニット１が固定される。
このとき、ＬＥＤ集積光源ユニット１のＬＥＤ光源装置本体２７側の平面部４に形成された金属の凸状平面部４ａがＬＥＤ集積光源ユニット１の基板７のＬＥＤ光源８を実装していない背面に接触し、ＬＥＤ光源８で発生した熱が基板７を通して効率よく放熱される。
なお、図４〜６には示してないが、凸状平面部４ａに熱伝導シートを設けてさらに熱伝導効率をよくしてもよい。
【００２４】
以上のように、ＬＥＤ集積光源ユニット１を、ＬＥＤ光源装置本体に工具を使用して装置を分解したり、ねじ止め等することなく白熱電球、蛍光ランプなどと同様に簡単な操作でソケット２に着脱することができる。
また、ＬＥＤ集積光源ユニット１をソケット２へ取付けたときに、ＬＥＤ集積光源ユニット１が接触する凸状の平面部４ａを装置本体２７に設けたので、放熱効果が高くＬＥＤ光源８の温度を低く抑制することができ、ＬＥＤ光源の寿命を長くすることができる。
また、凸状の平面部４ａに熱伝導シートを設けたので、より放熱効果が高くＬＥＤ光源８の温度をより低く抑制することができ、ＬＥＤ光源８の寿命をより長くすることができる。
また、ソケット２を回動できるので、保持部３の摺動支持片１４の摺動ストロークを小さくでき、保持部３を小型にすることができる。
また、ＬＥＤ集積光源ユニットの表面に薄板状の絶縁カバーを配設したので、ＬＥＤ集積光源ユニットを保護することができる。
【００２５】
実施の形態２．
実施の形態１はソケットを回動可能に本体に取付けたが、本実施の形態はソッケトを本体に固定したものである。
図７は、この発明の実施の形態２に係るＬＥＤ光源装置の断面図であり、ＬＥＤ集積光源ユニットをソケットと保持部に取付けた状態を示す図、図８はＬＥＤ集積光源ユニットをソケットに取付ける手順を示す図である。
【００２６】
図において、実施の形態１の図５、６と同じまたは同等の部分には同一の符号を付し説明を省略する。図に示すようにソケット２は実施の形態１とほぼ同じ構成であるが円筒状の凸部５はなく本体２７の平面部４に固定されている点が異なり、また、保持部３の構成も実施の形態１とほぼ同じであるが摺動片１４の摺動ストローク、板バネ１７のストローク、摺動支持片１４の支持部１４ａと摺動片固定カバー１６の摺動方向長さを各々実施の形態１より長くしている。
なお、摺動支持片１４の支持部１４ａの長さをＬ、ＬＥＤ集積光源ユニット１のソケット２に挿入部の長さをＬ１、ＬＥＤ集積光源ユニット１の保持部３の支持部１４ａに支持される長さをＬ２、支持部１４ａが摺動片固定カバー１６に支持されている長さをＬ３とすると、ＬはほぼＬ１＋Ｌ２＋Ｌ３となるようにする。
【００２７】
次に、図７、図８によりＬＥＤ集積光源ユニット１の取付けを説明する。図８（ａ）はＬＥＤ集積光源ユニット１をソケット２に取り付ける直前の状態を示す図、図８（ｂ）はＬＥＤ集積光源ユニット１をソケット２に取り付けた状態を示す図である。
【００２８】
まず、図８（ａ）に示すように、ＬＥＤ集積光源ユニット１を取り付ける前に摺動支持片１４の取っ手２９をソケット２と反対方向に摺動させておく。この操作によりＬＥＤ集積光源ユニット１をＬＥＤ光源装置本体の平面部４の凸状の平面４ａとほほ平行かつ密着状態にできる。次に、図８（ｂ）に示すようにＬＥＤ集積光源ユニット１の給電部側端部７ａをソケット２に挿入する。この操作により一対の端子板１３がＬＥＤ集積光源ユニット１の電路パターン９の給電部９ａに接触して電気的接続がされるとともに、ＬＥＤ集積光源ユニット１がＬ形受け部１１側に付勢され、ＬＥＤ集積光源ユニット１がソケット２に固定される。
【００２９】
この状態で取っ手２９から手を離すと、板バネ１７の付勢力により摺動支持片１４がソケット２の方に摺動し、手動片１４の支持部１４ａがＬＥＤ集積光源ユニット１の非給電部側７ｂの下側に位置するようになりＬＥＤ集積光源ユニット１が固定される。
このとき、ＬＥＤ集積光源ユニット１のＬＥＤ光源装置本体２７側の平面部４に形成された凸状平面部４ａがＬＥＤ集積光源ユニット１の基板７の背面４が接触しＬＥＤ光源８で発生した熱が基板７を通して効率よく放熱される。
【００３０】
以上のように、ソケット２に回動機構が不要であり、また、回動によりソケット２から電源に接続される電線に力が加わらないので、加工、組み立ても簡単になり製造コストを低減でき、また、電気的及び機械的な信頼性向上を図ることができる。
【００３１】
実施の形態３．
本実施の形態は、実施の形態１、２に示したＬＥＤ集積光源ユニットのＬＥＤ集積光源ユニットは薄い形状で特に長手方向の曲げ等に対して強度的に弱い点があるので補強したものである。
図９はこの発明の実施の形態３に係るＬＥＤ光源装置の要部を示す斜視図である。図において実施の形態１の３、５等と同一の部分には同一の符号を付し説明を省略する。１９はＬＥＤ集積光源ユニット１の基板７の長手方向の両端部にそれぞれ設けられた断面略コの字状の補強部材である。
【００３２】
このような構成により、ＬＥＤ集積光源ユニットの長手方向の曲げ等に対する強度を高くし信頼性の向上を図ることができる。
【００３３】
なお、本実施の形態では、ＬＥＤ集積光源ユニット１の基板７の長手方向の両端部に補強部材１９を設けたが、短手方向の両端部、または、非給電部側端部７ｂにも補強部材を取り付け全体の強度を高くしてもよい。
【００３４】
実施の形態４．
図１０はこの発明の実施の形態４に係るＬＥＤ光源装置の要部を示す部分破断斜視図、図１１は同じく要部断面図、図１２は同じく平面図である。
図１０〜１２において、３０はＬＥＤ集積光源ユニット、２８はＬＥＤ集積光源ユニット３０が挿入され、ＬＥＤ集積光源ユニット３０への給電とＬＥＤ集積光源ユニット３０を保持をするソケット、１８はソケット２８に接続された電線である。なお、ソケット８は実施の形態１の図４と同様に本体２７の平面部４に取り付けられ、ＬＥＤ集積光源ユニット３０の裏面が平面部４の凸部平面部４ａに接触するようにする。
【００３５】
ＬＥＤ集積光源ユニット３０において、７は基板、８は基板７に搭載されたＬＥＤ光源、９は基板７に形成した電路パターン、３２はランプ口金であり、基板７の一端に設けられた口金絶縁部３１とこの口金絶縁部３１に固定され、口金絶縁部３１の両端から凸出し、一端が電路パターン９に電気的に接続され他端がソケット２８の受けバネ２１に挿入される一対のランプピン２０から構成される。１９は基板７の長手方向の両端部を補強する為の断面コの字形状の補強部材、２２はランプ口金３２が設けられた端部と反対側の端部に設けられた端部補強部材である。
【００３６】
ソケット２８において、３４はＬＥＤ集積光源ユニット１のランプ口金３２が挿入される側が開口した挿入部３４ａを有する略直方体形状のソケット枠体、２１はソケット枠体３４の内部に配設され、ＬＥＤ集積光源ユニット１のランプ口金３２のランプピン２１が係合されるバネ性を有する導電性金属の帯板状の受けばねである。
また、ＬＥＤ集積光源ユニット１のランプ口金３２の口金絶縁部３１には誤挿入防止用の凹部３３、ソケット２８の枠体３４の挿入部３４ａには、誤挿入防止用の凹部３３に係合する凸部３５が設けられている。
【００３７】
次に、ＬＥＤ集積光源ユニット１を本体２７の平面部４に取り付けたソケット２８に取り付ける手順を図１１により説明する。
ＬＥＤ集積光源ユニット３０のランプ口金３１をソケット２８の挿入部３４ａに挿入すると、一対のランプピン２１がソケット２８の受けバネ２１に挿嵌され電気的接続がされ、ランプ口金３１が挿入部３４ａで保持されてＬＥＤ集積光源ユニット３０がソケット２８に固定される。
このとき、ＬＥＤ集積光源ユニット３０のＬＥＤ光源装置本体２７側の平面部４に形成された凸状平面部４ａが、ＬＥＤ集積光源ユニット３０の基板７の背面が接触する。
【００３８】
なお、ＬＥＤ集積光源ユニット１がソケット２８に適合したものでないときは、ＬＥＤ集積光源ユニット３０のランプ口金３２の口金絶縁部３１に設けられた誤挿入防止用の凹部３３が、ソケット２８の枠体３４の挿入部３４ａに設けられた誤挿入防止用の凸部３５が合わずにソケット２８に挿入できない。
【００３９】
以上のように、ＬＥＤ集積光源ユニット３０は、従来からある白熱電球、蛍光ランプと同様に一つの完成したランプとして扱うことができる。したがってＬＥＤ集積光源ユニット３０を交換を容易にすることができる。
また、ＬＥＤ集積光源ユニット１の口金絶縁部３１に設けられた誤接続防止用の凹部３３と係合する凸部３５をソケット２８の内側に設けたので、ＬＥＤ集積光源ユニット１の誤接続を防止することができる。
【００４０】
実施の形態５．
実施の形態４では、ＬＥＤ集積光源ユニットをソケットに１つ取り付けたものであるが、本実施の形態はＬＥＤ集積光源ユニットを複数取り付け可能としたものである。図１３はこの発明の実施の形態５に係るＬＥＤ光源装置の要部を示す部分破断斜視図、図１４は同じく断面図、図１５は同じく平面図である。
図において実施の形態４の図１０、１１と同一の部分には同一の符号を付し説明を省略する。
【００４１】
２５はＬＥＤ集積光源ユニット３６のランプ口金３２の反対側に設けられ、他のＬＥＤ集積光源ユニット３６を連結する連結部であり、基板７の端部の補強も兼ねている。この連結部２５は、絶縁性材料で形成した中空の直方体で、一端の開口部に基板７が固定され、他端の閉じた面に他のＬＥＤ集積光源ユニット３６ランプ口金３２の一対のランプピンが挿入される一対の挿入穴２４を有し、内部には、挿入穴２４を介して挿入されるランプピン２０が挿嵌されるピン受けばね２３が設けられ、このピン受けばね２３は導電ピン２６を介して基板７の電路パターン９に接続されている。
なお、電路パターン９は、他のＬＥＤ集積光源ユニット３６が連結できるパターンとしている。
【００４２】
この構成において、ソケット２８に取り付けたＬＥＤ集積光源ユニット３６に他のＬＥＤ集積光源ユニット３６を連結するには、他のＬＥＤ集積光源ユニット３６のランプ口金３１の一対のランプピン２０をソケット２８に取り付けたＬＥＤ集積光源ユニット３６の連結部２５の挿入穴２４を介して受けバネ２３に挿嵌して電気的、機械的に接続する。
【００４３】
以上のように、ＬＥＤ集積光源ユニット３６は他のＬＥＤ集積光源ユニットと電気的、機械的に接続が可能であり、ＬＥＤ集積光源ユニットを複数取り付けて大きな光源や大光束の光源として使用することができる。
【００４４】
なお、本実施の形態では、２つのＬＥＤ集積光源ユニット３６を連結した場合を示したが、３つ以上の連結でもよく、連結したＬＥＤ集積光源ユニット３６の端部か中間部を保持部材で支持するようにしてもよい。
また、実施の形態４で示したＬＥＤ集積光源ユニット３０を一番端に連結してもよい。
【００４５】
【発明の効果】
以上のように、この発明によれば、装置本体と、一端に給電部を他端に非給電部を有する電路パターンを設けた基板に複数のＬＥＤを光源として実装したＬＥＤ集積光源ユニットと、上記装置本体に設けられ上記ＬＥＤ集積光源ユニットの給電部側端部を着脱自在に保持するとともに上記ＬＥＤ集積光源ユニットに給電するソケットと、このソケットに対向して上記装置本体に設けられ上記ＬＥＤ集積光源ユニットの非給電部側端部を保持する保持部と、を備え、上記ソケットは、上記ＬＥＤ集積光源ユニットの上記給電部側端部を挿入する挿入部と、この挿入部に設けられ上記ＬＥＤ集積光源ユニットの上記給電部に接触するように配設されたばね性を有する端子板と、を備え、上記保持部は、保持カバーと、この保持カバー内に設けられ、挿入・排出方向に摺動自在に摺動し、上記ＬＥＤ集積光源ユニットの上記非給電部側端部を保持する保持片と、この保持片をＬＥＤ集積光源ユニット側に付勢する付勢手段と、を備えたので、ＬＥＤ集積光源ユニットを装置本体にねじによる取付け、取外し等をすることなく簡単に交換することができる。
また、回動機構がないので構成を簡単にでき、電気的機械的信頼性の向上を図ることができる。
【００４６】
また、装置本体と、一端に給電を行うランプ口金とこのランプ口金に接続された電路パターンを有する基板に複数のＬＥＤを光源として実装したＬＥＤ集積光源ユニットと、上記装置本体に設けられ上記ＬＥＤ集積光源ユニットの上記ランプ口金を着脱自在に保持するとともに上記ＬＥＤ集積光源ユニットに給電するソケットと、を備え、上記ランプ口金は、上記基板の一端に設けられた口金絶縁部と、上記口金絶縁部に固定され、一端が上記基板の上記電路パターンに接続され他端が上記口金絶縁部から突出した一対のランプピンとを備え、上記ソケットは、上記ＬＥＤ集積光源ユニットの上記ランプ口金が挿入される挿入部と、この挿入部に設けられ上記ランプ口金の上記ランプピンが挿嵌される受けばねとを備えたので、ＬＥＤ集積光源ユニットを白熱電球、蛍光ランプなどと同様にＬＥＤ集積光源ユニットを装置本体にねじによる取付け、取外し等をすることなくより簡単に交換することができる。
また、回動機構がないので構成を簡単にでき、電気的、機械的信頼性の向上を図ることができる。
【００４７】
また、ＬＥＤ集積光源ユニットのランプ口金と反対側に基板の電路パターンに接続された一対の受けばねを有する連結部を備え、上記連結部の上記受けばねに他のＬＥＤ集積光源ユニットのランプ口金のランプピンを挿嵌することにより、複数のＬＥＤ集積光源ユニットを連結可能としたので、大きな集積光源化を図ることができる。
【図面の簡単な説明】
【図１】この発明の実施の形態１を示すＬＥＤ光源装置の斜視図である。
【図２】図１のＬＥＤ光源装置の要部拡大分解斜視図である。
【図３】図１のＬＥＤ光源光源装置の要部拡大分解詳細斜視図である。
【図４】図１の要部正面図である。
【図５】図１の要部断面図である。
【図６】この発明の実施の形態１を示すＬＥＤ光源装置のＬＥＤ集積光源ユニットの取付を示す要部断面図である。
【図７】この発明の実施の形態２を示すＬＥＤ光源装置の要部断面図である。
【図８】この発明の実施の形態２を示すＬＥＤ光源装置のＬＥＤ集積光源ユニットの取付を示す要部断面図である。
【図９】この発明の実施の形態３を示すＬＥＤ光源装置の要部分解斜視図である。
【図１０】この発明の実施の形態４を示すＬＥＤ光源装置の要部分解斜視図である。
【図１１】この発明の実施の形態４を示すＬＥＤ光源装置のＬＥＤ集積光源ユニットをソケットに取付けたときの断面図である。
【図１２】この発明の実施の形態４を示すＬＥＤ光源装置のＬＥＤ集積光源ユニットをソケットに取付けたときの平面図である。
【図１３】この発明の実施の形態５を示すＬＥＤ光源装置の要部分解斜視図である。
【図１４】この発明の実施の形態５を示すＬＥＤ光源装置のＬＥＤ集積光源ユニットをソケットに取付けたときの断面図である。
【図１５】この発明の実施の形態５を示すＬＥＤ光源装置のＬＥＤ集積光源ユニットをソケットに取付けたときの平面図である。
【図１６】従来のＬＥＤ光源装置の要部分解斜視図である。
【図１７】従来のＬＥＤ光源装置の要部分解斜視図である。
【図１８】従来のＬＥＤ光源装置の要部分解斜視図である。
【符号の説明】
１、３６ＬＥＤ集積光源ユニット、２ソケット、３保持部、４平面部、４ａ凸状の平面部、７基板、７ａ給電部側端部、７ｂ非給電部側端部、８ＬＥＤ光源、９電路パターン、９、９ａ給電部、９ｂ非給電部、１０絶縁カバー、１３端子板、１４摺動支持片、１４ａ支持部、１６摺動片固定カバー、１７板バネ、１９補強部材、２０ランプピン、２１受けばね、２２端部補強、２３ピン受けばね、２４ピン挿入穴、２５連結部、２７ＬＥＤ光源装置本体、２８ランプソケット、２９取っ手、３２ランプ口金。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an LED light source device using an LED integrated light source in which a plurality of LEDs are mounted on a substrate as a light source, and more particularly to an LED integrated light source and a structure of a socket for supplying power to the LED integrated light source.
[0002]
[Prior art]
FIG. 16 is a perspective view of a conventional LED integrated light source described in Japanese Patent Laid-Open No. 2000-1000021 (conventional example 1). In the figure, 41 is an LED light source, 42 is a single substrate having a bent portion 42a, a plurality of LED light sources 41 are mounted on the front surface, and electrodes for energizing each LED on the back surface are both side edges of the substrate 42. Provided in the department. Reference numeral 43 denotes a U-shaped metal frame that also serves as an electric circuit. The metal frame 43 is fitted to both edge portions of the LED substrate so as to contact the terminal portion 44 and the electrode of the substrate 42, and is integrated and curved with the substrate 42. .
The LED light source device configured as described above is attached to the boss portion 45 of the housing body of the LED light source device main body by the screw 15 through the hole of the terminal portion 44. The power cord 18 is fastened together with the screw 15 to the terminal portion 44 and is electrically connected to the substrate 42 on which the LED light source 41 is mounted.
[0003]
FIG. 17 is a perspective view of an LED light source device described in Japanese Patent Application Laid-Open No. 2002-93204 (conventional example 2). In the figure, reference numeral 46 denotes an LED integrated light source unit, which includes a board 47, an LED light source 41, and a connector 48 a provided on both edges of the board 47.
Reference numeral 47 denotes a mother unit having a plurality of connectors 48b. The connector 48a of the LED unit 46 is inserted and attached to the plurality of connectors 48b of the mother unit 47, and at the same time, an electrical connection is made to constitute an LED light source device.
[0004]
FIG. 18 is a perspective view (conventional example 3) of a rod-like lamp using LEDs described in Japanese Patent Laid-Open No. 2000-306418. In the figure, 41 is a plurality of LED light sources supported by a support plate, 49 is a terminal plate to which both electrode terminals of the LED light source 41 are electrically connected, 52 is a connector portion provided with a terminal plate, and 50 is for electrical connection. This is a power supply pin of the connector 51. In this configuration, the LED light source 41 is electrically connected by the power supply pin 50 provided in the electrical connection connector 51.
[0005]
[Problems to be solved by the invention]
However, in attaching and electrically connecting the substrate 42 mounted with the conventional LED light source 41 to the light source device main body as described above, in the conventional example 1, when replacing the substrate 42 mounted with the LED light source 41, the light source device main body is replaced. It is not easy because it is necessary to screw the screw 15 and make an electrical connection. In the conventional example 2, it is necessary to attach the LED units 46 to the mother unit 47 via the connectors 48a and 48b one by one, which is not simple, and the strength of the substrate 47 is insufficient, and there is a possibility that a problem may occur when replacing the light source. there were. In the conventional example 3, it is necessary to connect the electrode terminal of the LED light source 41 to the terminal plate 49, and to connect the terminal plate 49 with the connector 51 for electrical connection. However, there is a problem that the substrate cannot be obtained as a single unit.
[0006]
In each of the conventional examples 1 to 3, there is a space between the substrates 42 and 46 and the mounting surface of the case constituting the light source device body, and the heat generated from the LED light source 41 is difficult to dissipate. There was a problem that the temperature became high and as a result, the life of the LED light source 41 was shortened.
[0007]
The present invention has been made to solve the above-described problems, and an LED integrated light source unit, which is an LED integrated light source in which a plurality of LED light sources are mounted on a substrate, can be easily replaced in the same manner as incandescent bulbs, fluorescent lamps, and the like. Another object of the present invention is to provide a highly reliable LED light source device capable of suppressing the temperature of the LED light source to extend the life by further reducing the temperature of the LED light source and further connecting the LED integrated light source units to form a large integrated light source. .
[0008]
[Means for Solving the Problems]
An LED light source device according to the present invention includes an apparatus main body, an LED integrated light source unit in which a plurality of LEDs are mounted as light sources on a substrate provided with an electric circuit pattern having a power feeding part at one end and a non-power feeding part at the other end, and the apparatus main body A power supply unit side end of the LED integrated light source unit provided detachably, and a power supply to the LED integrated light source unit, and a socket facing the socket and provided in the apparatus main body of the LED integrated light source unit. A holding portion for holding a non-power feeding portion side end, and the socket is an insertion portion for inserting the power feeding portion side end of the LED integrated light source unit, and the LED integrated light source unit provided in the insertion portion. And a terminal plate having a spring property disposed so as to contact the power feeding portion, and the holding portion is provided in the holding cover and the holding cover. A holding piece that slides slidably in the insertion / discharge direction and holds the non-power-feeding part side end of the LED integrated light source unit; and an urging means for urging the holding piece toward the LED integrated light source unit , With.
[0009]
The socket is attached to the apparatus main body so as to be rotatable in a direction away from the apparatus main body.
[0010]
In addition, the apparatus main body, an LED integrated light source unit in which a plurality of LEDs are mounted as light sources on a substrate having a lamp base for supplying power to one end and an electric circuit pattern connected to the lamp base, and the LED integrated light source provided in the apparatus main body A socket for detachably holding the lamp base of the light source unit and supplying power to the LED integrated light source unit. The lamp base includes a base insulating part provided at one end of the substrate, and a base insulating part. A pair of lamp pins fixed at one end to the circuit pattern of the substrate and protruded from the base insulating portion at the other end, and the socket is an insertion portion into which the lamp base of the LED integrated light source unit is inserted And a receiving spring which is provided in the insertion portion and into which the lamp pin of the lamp cap is inserted.
[0011]
Further, a connecting portion having a pair of receiving springs connected to the circuit pattern of the substrate is provided on the opposite side of the lamp base of the LED integrated light source unit, and the receiving spring of the connecting portion has a lamp base of another LED integrated light source unit. A plurality of LED integrated light source units can be connected by inserting a lamp pin.
[0012]
Further, when the LED integrated light source unit is inserted into the concave or convex portion for preventing erroneous connection provided in the base insulating part of the LED integrated light source unit and the socket, the above provided in the base insulating part An engaging portion with which a concave portion or a convex portion is engaged is provided.
[0013]
In addition, a thin insulating cover is disposed on the surface of the LED integrated light source unit.
[0014]
In addition, a reinforcing member having a substantially U-shaped cross section is fitted to both ends in the longitudinal direction of the substrate on which the LED is mounted.
[0015]
In addition, when the LED integrated light source unit is attached to the socket, a convex flat surface portion that contacts the LED integrated light source unit is provided in the apparatus main body.
[0016]
Further, a heat conductive sheet is provided on the convex flat portion.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 is a perspective view showing an LED light source device according to Embodiment 1 of the present invention, and FIG. 2 is an LED integrated light source unit as a main component of the LED light source device of FIG. 1 and electricity is supplied to the LED integrated light source unit. FIG. 3 is a detailed exploded perspective view in which the main constituent members shown in FIG. 2 are further disassembled. 4 is a main part front view showing a state in which the LED integrated light source unit is attached to the socket, FIG. 5 is a main part sectional view showing a state in which the LED integrated light source unit is attached to the socket, and FIG. 6 is a procedure for attaching the LED integrated light source unit. FIG.
[0018]
In FIG. 1, the LED light source device has a flat portion 4 provided in a concave portion on the lower surface of the LED light source device main body 27, an LED integrated light source unit 1, and one end of the LED integrated light source unit 1 attached to the flat portion 4. Four sockets 2 for electrical connection and four holding portions 3 for supporting the other end of the LED integrated light source unit 1 are provided.
In FIG. 2, the LED integrated light source unit 1 is composed of a surface mounted LED light source 8 and a substrate 7 on which an electric circuit pattern 9 is formed. 9a is a power supply unit, 9b is a non-power supply unit, and 7a is a power supply unit side. The end portion 7b is a non-feeding portion side end portion. The socket 2 includes an L-shaped receiving portion 11 and an L-shaped receiving portion cover 12, and the holding portion 3 includes a sliding support piece 14 that is a holding piece and a sliding piece fixing cover 16 that is a holding cover that holds the sliding support piece. Is provided.
[0019]
Next, the configuration of the LED light source device will be described in detail with reference to FIG. 3 (some of those shown in FIGS. 1 and 2 are omitted). 10 is an insulating cover for insulating and protecting the electric circuit pattern 9 of the LED integrated light source unit 1, and 2 is a pair of L-shaped terminal plates 13 formed by curving a conductive metal strip having spring properties inside. A socket 37 is constituted by an L-shaped receiving portion 11 serving as an outline of the terminal plate 13 and an L-shaped receiving portion cover 12 having a pair of cylindrical convex portions 5 formed on both side walls. An L-shaped metal fitting that is rotatably fitted, 3 is a sliding support piece 14 that is slidably movable in the insertion direction when the LED integrated light source unit 1 is inserted into the socket 2, and the sliding support piece 14 is connected to the socket. 2 is a holding portion including a leaf spring 17 that is biased in the direction of 2 and a sliding piece fixing cover 16 that incorporates the sliding support piece 14 and the leaf spring 17. Reference numeral 29 denotes a handle for operating the sliding support piece 14 formed on the lower side of the sliding support piece 14.
If the insulating cover 10 is painted white, it can also serve as a reflector.
[0020]
FIG. 4 is a side view showing the state where the above members are attached, and FIG. 5 is a cross-sectional view thereof. 4 and 5, the description of the portions described in FIGS. 4a is a convex flat part formed in the flat part 4 of the apparatus main body so that when the LED integrated light source unit 1 is attached to the socket, the LED integrated light source unit 1 comes into contact.
The LED power source is provided in the LED integrated light source unit 1 or in the main body.
[0021]
Next, a procedure for attaching the LED integrated light source unit 1 to the flat portion 4 of the main body 27 will be described with reference to FIG.
First, the socket 2 is rotated around the cylindrical convex portion 5 in a direction away from the flat portion 4 of the LED light source device main body 27 so that the LED integrated light source unit 1 is easily attached. When the power supply side end portion 7a of the LED integrated light source unit 1 is inserted into the socket 2, the pair of terminal plates 13 come into contact with the power supply portion 9a of the electric circuit pattern 9 of the LED integrated light source unit 1 and are electrically connected. The LED integrated light source unit 1 is urged toward the L-shaped receiving portion 11, and the LED integrated light source unit 1 is fixed to the socket 2.
[0022]
Next, the socket 2 including the LED integrated light source unit 1 is rotated around the cylindrical convex portion 5 toward the flat portion 4 side of the LED light source device main body 27 to constitute the holding piece 3. It is made to adhere to the base 38 part. At this time, the sliding support piece 14 slides the operation handle 29 in the direction opposite to the socket 2 so that the LED integrated light source unit 1 does not collide.
[0023]
After the non-power-feed side end 7b of the LED integrated light source unit 1 is brought into close contact with the base 38, when the hand is released from the operation handle 29 of the slide support piece 14, the slide support is supported by the urging force of the leaf spring 17. The piece 14 slides toward the socket 2, and the support portion 14a of the sliding support piece 14 is positioned below the LED integrated light source unit 1 so that the LED integrated light source unit 1 is fixed.
At this time, the metal convex flat surface portion 4a formed on the flat surface portion 4 on the LED light source device main body 27 side of the LED integrated light source unit 1 is on the back surface of the LED integrated light source unit 1 on which the LED light source 8 is not mounted. The heat generated by the LED light source 8 comes into contact and is efficiently radiated through the substrate 7.
Although not shown in FIGS. 4 to 6, a heat conductive sheet may be provided on the convex flat portion 4a to further improve the heat transfer efficiency.
[0024]
As described above, the LED integrated light source unit 1 can be attached to the socket 2 by a simple operation similar to an incandescent bulb, a fluorescent lamp, etc. without disassembling the device using a tool in the LED light source device body or screwing it. Detachable.
Further, when the LED integrated light source unit 1 is attached to the socket 2, the apparatus main body 27 is provided with the convex flat portion 4a that the LED integrated light source unit 1 contacts, so that the heat radiation effect is high and the temperature of the LED light source 8 is lowered. It can suppress, and the lifetime of an LED light source can be lengthened.
Moreover, since the heat conductive sheet is provided on the convex flat portion 4a, the heat radiation effect is higher and the temperature of the LED light source 8 can be suppressed lower, and the life of the LED light source 8 can be extended.
Moreover, since the socket 2 can be rotated, the sliding stroke of the sliding support piece 14 of the holding | maintenance part 3 can be made small, and the holding | maintenance part 3 can be reduced in size.
Further, since the thin plate-like insulating cover is disposed on the surface of the LED integrated light source unit, the LED integrated light source unit can be protected.
[0025]
Embodiment 2. FIG.
In the first embodiment, the socket is pivotally attached to the main body, but in this embodiment, the socket is fixed to the main body.
FIG. 7 is a cross-sectional view of the LED light source device according to Embodiment 2 of the present invention, showing a state in which the LED integrated light source unit is attached to the socket and the holding portion, and FIG. 8 shows the LED integrated light source unit attached to the socket. It is a figure which shows a procedure.
[0026]
In the figure, the same or equivalent parts as in FIGS. 5 and 6 of the first embodiment are denoted by the same reference numerals, and description thereof is omitted. As shown in the figure, the socket 2 has substantially the same configuration as that of the first embodiment except that the socket 2 does not have a cylindrical convex portion 5 and is fixed to the flat portion 4 of the main body 27, and the configuration of the holding portion 3 is also different. Although substantially the same as in the first embodiment, the sliding stroke of the sliding piece 14, the stroke of the leaf spring 17, and the sliding direction length of the support portion 14a of the sliding support piece 14 and the sliding piece fixing cover 16 are implemented. It is longer than the first form.
The length of the support portion 14a of the sliding support piece 14 is L, the length of the insertion portion is L1 in the socket 2 of the LED integrated light source unit 1, and the support portion 14a of the holding portion 3 of the LED integrated light source unit 1 is supported. L2 is set to L2, and the length of the support portion 14a supported by the sliding piece fixing cover 16 is set to L3. L is set to approximately L1 + L2 + L3.
[0027]
Next, attachment of the LED integrated light source unit 1 will be described with reference to FIGS. FIG. 8A is a view showing a state immediately before the LED integrated light source unit 1 is attached to the socket 2, and FIG. 8B is a view showing a state where the LED integrated light source unit 1 is attached to the socket 2.
[0028]
First, as shown in FIG. 8A, the handle 29 of the sliding support piece 14 is slid in the opposite direction to the socket 2 before the LED integrated light source unit 1 is attached. By this operation, the LED integrated light source unit 1 can be made substantially parallel and in close contact with the convex flat surface 4a of the flat surface portion 4 of the LED light source device body. Next, as shown in FIG. 8B, the power supply unit side end 7 a of the LED integrated light source unit 1 is inserted into the socket 2. By this operation, the pair of terminal plates 13 come into contact with the power supply portion 9a of the electric circuit pattern 9 of the LED integrated light source unit 1 to be electrically connected, and the LED integrated light source unit 1 is urged toward the L-shaped receiving portion 11 side. The LED integrated light source unit 1 is fixed to the socket 2.
[0029]
When the hand 29 is released in this state, the sliding support piece 14 slides toward the socket 2 due to the urging force of the leaf spring 17, and the support portion 14 a of the manual piece 14 is the non-power-feeding portion of the LED integrated light source unit 1. The LED integrated light source unit 1 is fixed on the lower side of the side 7b.
At this time, the convex flat surface portion 4a formed on the flat surface portion 4 on the LED light source device main body 27 side of the LED integrated light source unit 1 contacts the back surface 4 of the substrate 7 of the LED integrated light source unit 1, and the heat generated in the LED light source 8 is generated. Is efficiently radiated through the substrate 7.
[0030]
As described above, the socket 2 does not require a rotation mechanism, and since no force is applied to the electric wire connected from the socket 2 to the power source by the rotation, processing and assembly can be simplified and the manufacturing cost can be reduced. In addition, electrical and mechanical reliability can be improved.
[0031]
Embodiment 3 FIG.
In the present embodiment, the LED integrated light source unit of the LED integrated light source unit shown in the first and second embodiments is reinforced because it has a thin shape and is particularly weak against bending in the longitudinal direction. .
FIG. 9 is a perspective view showing an essential part of an LED light source device according to Embodiment 3 of the present invention. In the figure, the same reference numerals are given to the same portions as 3, 5, etc. of the first embodiment, and the description is omitted. Reference numerals 19 denote reinforcing members having a substantially U-shaped cross section provided at both ends in the longitudinal direction of the substrate 7 of the LED integrated light source unit 1.
[0032]
With such a configuration, it is possible to increase the strength of the LED integrated light source unit against bending in the longitudinal direction and improve the reliability.
[0033]
In this embodiment, the reinforcing members 19 are provided at both ends of the substrate 7 of the LED integrated light source unit 1 in the longitudinal direction. However, the reinforcing members 19 are also reinforced at both ends in the lateral direction or the non-feeding portion side end 7b. The strength of the entire attachment may be increased.
[0034]
Embodiment 4 FIG.
10 is a partially cutaway perspective view showing the main part of an LED light source device according to Embodiment 4 of the present invention, FIG. 11 is a cross-sectional view of the main part, and FIG. 12 is a plan view of the same.
10 to 12, 30 is an LED integrated light source unit, 28 is a socket in which the LED integrated light source unit 30 is inserted and supplies power to the LED integrated light source unit 30 and holds the LED integrated light source unit 30, and 18 is connected to the socket 28. It is an electric wire. The socket 8 is attached to the flat portion 4 of the main body 27 as in FIG. 4 of the first embodiment so that the back surface of the LED integrated light source unit 30 contacts the convex flat portion 4a of the flat portion 4.
[0035]
In the LED integrated light source unit 30, 7 is a substrate, 8 is an LED light source mounted on the substrate 7, 9 is an electric circuit pattern formed on the substrate 7, 32 is a lamp cap, and a cap insulating portion provided at one end of the substrate 7 31 and a pair of lamp pins 20 fixed to the base insulating portion 31, protruding from both ends of the base insulating portion 31, one end electrically connected to the electric circuit pattern 9 and the other end inserted into the receiving spring 21 of the socket 28. Composed. 19 is a U-shaped reinforcing member for reinforcing both ends of the substrate 7 in the longitudinal direction, and 22 is an end reinforcing member provided at the end opposite to the end provided with the lamp cap 32. is there.
[0036]
In the socket 28, 34 is a substantially rectangular parallelepiped socket frame having an insertion portion 34 a opened on the side into which the lamp cap 32 of the LED integrated light source unit 1 is inserted, and 21 is disposed inside the socket frame 34. It is a conductive metal strip-shaped receiving spring having a spring property with which the lamp pin 21 of the lamp cap 32 of the light source unit 1 is engaged.
Further, a concave portion 33 for preventing erroneous insertion is engaged with the base insulating portion 31 of the lamp base 32 of the LED integrated light source unit 1, and a concave portion 33 for preventing erroneous insertion is engaged with the insertion portion 34 a of the frame 34 of the socket 28. A convex portion 35 is provided.
[0037]
Next, a procedure for attaching the LED integrated light source unit 1 to the socket 28 attached to the flat portion 4 of the main body 27 will be described with reference to FIG.
When the lamp base 31 of the LED integrated light source unit 30 is inserted into the insertion portion 34a of the socket 28, the pair of lamp pins 21 are inserted into the receiving springs 21 of the socket 28 to be electrically connected, and the lamp base 31 is held by the insertion portion 34a. Then, the LED integrated light source unit 30 is fixed to the socket 28.
At this time, the convex flat surface portion 4 a formed on the flat surface portion 4 on the LED light source device main body 27 side of the LED integrated light source unit 30 contacts the back surface of the substrate 7 of the LED integrated light source unit 30.
[0038]
When the LED integrated light source unit 1 is not suitable for the socket 28, the recess 33 for preventing erroneous insertion provided in the base insulating portion 31 of the lamp base 32 of the LED integrated light source unit 30 is a frame of the socket 28. The projections 35 for preventing erroneous insertion provided in the insertion portion 34 a of 34 are not aligned and cannot be inserted into the socket 28.
[0039]
As described above, the LED integrated light source unit 30 can be handled as one completed lamp in the same manner as conventional incandescent bulbs and fluorescent lamps. Therefore, the LED integrated light source unit 30 can be easily replaced.
Moreover, since the convex part 35 which engages with the concave part 33 for preventing erroneous connection provided in the base insulating part 31 of the LED integrated light source unit 1 is provided inside the socket 28, erroneous connection of the LED integrated light source unit 1 is prevented. can do.
[0040]
Embodiment 5. FIG.
In Embodiment 4, one LED integrated light source unit is attached to the socket, but in this embodiment, a plurality of LED integrated light source units can be attached. FIG. 13 is a partially broken perspective view showing the main part of an LED light source device according to Embodiment 5 of the present invention, FIG. 14 is a sectional view, and FIG. 15 is a plan view.
In the figure, the same portions as those in FIGS. 10 and 11 of the fourth embodiment are denoted by the same reference numerals and description thereof is omitted.
[0041]
Reference numeral 25 denotes a connecting portion which is provided on the opposite side of the lamp base 32 of the LED integrated light source unit 36 and connects other LED integrated light source units 36, and also serves as reinforcement of the end of the substrate 7. The connecting portion 25 is a hollow rectangular parallelepiped made of an insulating material. The substrate 7 is fixed to the opening at one end, and a pair of lamp pins of the other LED integrated light source unit 36 lamp base 32 is formed on the closed surface at the other end. There is a pair of insertion holes 24 to be inserted, and a pin receiving spring 23 into which the lamp pin 20 to be inserted through the insertion hole 24 is inserted is provided. The pin receiving spring 23 has a conductive pin 26. To the electric circuit pattern 9 of the substrate 7.
The electric circuit pattern 9 is a pattern that can be connected to another LED integrated light source unit 36.
[0042]
In this configuration, in order to connect another LED integrated light source unit 36 to the LED integrated light source unit 36 attached to the socket 28, the pair of lamp pins 20 of the lamp cap 31 of the other LED integrated light source unit 36 are attached to the socket 28. The LED integrated light source unit 36 is inserted into the receiving spring 23 through the insertion hole 24 of the connecting portion 25 to be electrically and mechanically connected.
[0043]
As described above, the LED integrated light source unit 36 can be electrically and mechanically connected to other LED integrated light source units, and a plurality of LED integrated light source units can be attached and used as a large light source or a light source with a large luminous flux. it can.
[0044]
In the present embodiment, the case where two LED integrated light source units 36 are connected is shown. However, three or more connected LEDs may be connected, and the end or intermediate portion of the connected LED integrated light source units 36 is supported by a holding member. You may make it do.
Moreover, you may connect the LED integrated light source unit 30 shown in Embodiment 4 to the end.
[0045]
【The invention's effect】
As described above, according to the present invention, an LED integrated light source unit in which a plurality of LEDs are mounted as light sources on a substrate provided with an electric circuit pattern having a power feeding part at one end and a non-power feeding part at the other end, and the above A power supply unit side end of the LED integrated light source unit provided in the apparatus main body is detachably held and a power supply is supplied to the LED integrated light source unit, and the LED integrated light source provided in the apparatus main body facing the socket. A holding portion for holding a non-feeding portion side end of the unit, and the socket is provided with an insertion portion for inserting the feeding portion side end portion of the LED integrated light source unit, and the LED integration provided in the insertion portion. A terminal plate having a spring property disposed so as to come into contact with the power feeding portion of the light source unit, and the holding portion is provided in the holding cover and the holding cover. A holding piece that slides slidably in the insertion / discharge direction and holds the non-power-feeding part side end of the LED integrated light source unit; and an urging means for urging the holding piece toward the LED integrated light source unit Therefore, the LED integrated light source unit can be easily replaced without attaching or detaching the LED integrated light source unit to the apparatus main body with screws.
Further, since there is no rotation mechanism, the configuration can be simplified and the electrical mechanical reliability can be improved.
[0046]
In addition, the apparatus main body, an LED integrated light source unit in which a plurality of LEDs are mounted as light sources on a substrate having a lamp base for supplying power to one end and an electric circuit pattern connected to the lamp base, and the LED integrated light source provided in the apparatus main body A socket for detachably holding the lamp base of the light source unit and supplying power to the LED integrated light source unit. The lamp base includes a base insulating part provided at one end of the substrate, and a base insulating part. A pair of lamp pins fixed at one end to the circuit pattern of the substrate and protruded from the base insulating portion at the other end, and the socket is an insertion portion into which the lamp base of the LED integrated light source unit is inserted And a receiving spring that is provided in the insertion portion and into which the lamp pin of the lamp base is inserted. Unit incandescent bulbs, can be more easily replaced without mounting, removal, etc. with screws to the device main body of the LED integrated light source unit as well as a fluorescent lamp.
Further, since there is no rotation mechanism, the configuration can be simplified, and the electrical and mechanical reliability can be improved.
[0047]
In addition, a connecting portion having a pair of receiving springs connected to the circuit pattern of the substrate is provided on the opposite side of the lamp base of the LED integrated light source unit, and the receiving spring of the connecting portion has a lamp base of another LED integrated light source unit. Since a plurality of LED integrated light source units can be connected by inserting the lamp pins, a large integrated light source can be realized.
[Brief description of the drawings]
FIG. 1 is a perspective view of an LED light source device according to Embodiment 1 of the present invention.
2 is an enlarged exploded perspective view of a main part of the LED light source device of FIG. 1. FIG.
FIG. 3 is an enlarged exploded perspective view of a main part of the LED light source device of FIG. 1;
4 is a front view of the main part of FIG. 1. FIG.
FIG. 5 is a cross-sectional view of the main part of FIG.
FIG. 6 is a cross-sectional view of a principal part showing attachment of the LED integrated light source unit of the LED light source device according to Embodiment 1 of the present invention.
FIG. 7 is a cross-sectional view of an essential part of an LED light source device showing Embodiment 2 of the present invention.
FIG. 8 is a cross-sectional view of an essential part showing attachment of an LED integrated light source unit of an LED light source device showing Embodiment 2 of the present invention.
FIG. 9 is an exploded perspective view of a main part of an LED light source device showing Embodiment 3 of the invention.
FIG. 10 is an exploded perspective view showing a main part of an LED light source device according to Embodiment 4 of the present invention.
FIG. 11 is a cross-sectional view when an LED integrated light source unit of an LED light source device according to Embodiment 4 of the present invention is attached to a socket.
FIG. 12 is a plan view when an LED integrated light source unit of an LED light source apparatus according to Embodiment 4 of the present invention is attached to a socket.
FIG. 13 is an exploded perspective view of a main part of an LED light source device according to Embodiment 5 of the present invention.
FIG. 14 is a cross-sectional view when an LED integrated light source unit of an LED light source device according to Embodiment 5 of the present invention is attached to a socket.
FIG. 15 is a plan view when an LED integrated light source unit of an LED light source device according to Embodiment 5 of the present invention is attached to a socket.
FIG. 16 is an exploded perspective view of a main part of a conventional LED light source device.
FIG. 17 is an exploded perspective view of a main part of a conventional LED light source device.
FIG. 18 is an exploded perspective view of a main part of a conventional LED light source device.
[Explanation of symbols]
1, 36 LED integrated light source unit, 2 socket, 3 holding part, 4 flat part, 4a convex flat part, 7 substrate, 7a feeding part side end, 7b non-feeding part side end, 8 LED light source, 9 electric circuit Pattern, 9, 9a Feeding part, 9b Non-feeding part, 10 Insulating cover, 13 Terminal board, 14 Sliding support piece, 14a Supporting part, 16 Sliding piece fixing cover, 17 Leaf spring, 19 Reinforcing member, 20 Lamp pin, 21 Receiving spring, 22 end reinforcement, 23 pin receiving spring, 24 pin insertion hole, 25 connecting part, 27 LED light source device main body, 28 lamp socket, 29 handle, 32 lamp base.

Claims

The device body;
An LED integrated light source unit in which a plurality of LEDs are mounted as a light source on a substrate provided with an electric circuit pattern having a power feeding portion at one end and a non-power feeding portion at the other end;
A socket that is provided in the apparatus main body and detachably holds a power supply side end of the LED integrated light source unit and supplies power to the LED integrated light source unit;
A holding part that is provided in the apparatus main body facing the socket and holds the non-feeding part side end of the LED integrated light source unit;
With
The socket has an insertion portion for inserting the power supply portion side end portion of the LED integrated light source unit, and a spring property provided in the insertion portion so as to be in contact with the power supply portion of the LED integrated light source unit. A terminal plate,
The holding portion is provided in the holding cover, is slidably slidable in the insertion / discharge direction, and holds the non-power-feeding portion side end of the LED integrated light source unit; A biasing means for biasing the holding piece toward the LED integrated light source unit;
An LED light source device comprising:

2. The LED light source device according to claim 1, wherein the socket is attached to the device main body so as to be rotatable in a direction away from the device main body.

The device body;
An LED integrated light source unit in which a plurality of LEDs are mounted as light sources on a substrate having a lamp base for supplying power to one end and an electric circuit pattern connected to the lamp base;
A socket provided in the apparatus main body for detachably holding the lamp cap of the LED integrated light source unit and supplying power to the LED integrated light source unit;
With
The lamp base includes a base insulating portion provided at one end of the substrate, a pair of lamps fixed to the base insulating portion, one end connected to the circuit pattern of the substrate and the other end protruding from the base insulating portion. With pins,
The socket includes an insertion portion into which the lamp base of the LED integrated light source unit is inserted, and a receiving spring provided at the insertion portion and into which the lamp pin of the lamp base is inserted. Light source device.

A connecting portion having a pair of receiving springs connected to the electric circuit pattern of the substrate on the opposite side of the lamp base of the LED integrated light source unit;
4. The LED light source device according to claim 3, wherein a plurality of LED integrated light source units can be connected by inserting a lamp pin of a lamp cap of another LED integrated light source unit into the receiving spring of the connecting portion. .

A concave portion or a convex portion for preventing erroneous connection provided in the base insulating portion of the LED integrated light source unit;
5. An engagement portion is provided inside the socket, the engagement portion engaging with the concave portion or the convex portion provided in the base insulating portion when the LED integrated light source unit is inserted. LED light source device.

6. The LED light source device according to claim 1, wherein a thin plate-like insulating cover is disposed on the surface of the LED integrated light source unit.

The LED light source device according to any one of claims 1 to 6, wherein a reinforcing member having a substantially U-shaped cross section is fitted to each of both ends in the longitudinal direction of the substrate on which the LED is mounted.

The LED light source device according to claim 1, wherein a convex flat portion that contacts the LED integrated light source unit when the LED integrated light source unit is attached to the socket is provided in the apparatus main body. .

The LED light source device according to claim 8, wherein a heat conductive sheet is provided on the convex flat portion.