JP2012059461A - Lighting fixture - Google Patents

Lighting fixture Download PDF

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JP2012059461A
JP2012059461A JP2010200106A JP2010200106A JP2012059461A JP 2012059461 A JP2012059461 A JP 2012059461A JP 2010200106 A JP2010200106 A JP 2010200106A JP 2010200106 A JP2010200106 A JP 2010200106A JP 2012059461 A JP2012059461 A JP 2012059461A
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cover
light
attached
plate
lighting fixture
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JP5562183B2 (en
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Hiroshi Akita
寛 秋田
Toru Mizotani
徹 溝谷
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture with improved designability and capable of securing attachment part strength of a cover even in the case a transparent cover is used.SOLUTION: The translucent cover 50 covering a light-emitting part 30 having a light source 32 and a chevron reflecting plate 40 is attached to a fixture body 20, while a reinforcing member 60 is attached to an inside of the cover 50. Since the reinforcing member 60 has a retaining part 61 for retaining the cover 50, strength of the cover 50 can be secured. Furthermore, the reinforcing member 60 is provided with a light-shielding part 62 in contact with and shielding an inner-face upper part of the cover 50, and a folded face part 63 fitted between the light-shielding part 62 and the reflecting plate 40 in continuation of the light-shielding part 62 so as to cover side faces of the reflecting plate 40 out of sight, so that designability is improved.

Description

本発明は、発光部および反射板を覆う透光性のカバーを器具本体に着脱可能に設けた照明器具に関するものである。   The present invention relates to a lighting fixture in which a light-transmitting cover that covers a light emitting portion and a reflection plate is detachably provided on a fixture main body.

従来より、器具本体にカバーを着脱可能に取り付ける照明器具が知られている（例えば、特許文献１参照）。
図４に示すように、特許文献１に記載の照明器具１００は、上面が開口した矩形箱状の下部本体１０２と、下面が開口した矩形箱状の上部本体１０３とで構成される器具本体１０１を有する。 2. Description of the Related Art Conventionally, there has been known a lighting fixture in which a cover is detachably attached to a fixture body (see, for example, Patent Document 1).
As illustrated in FIG. 4, a lighting fixture 100 described in Patent Document 1 includes a fixture main body 101 including a rectangular box-shaped lower main body 102 having an upper surface opened and a rectangular box-shaped upper main body 103 having an opened lower surface. Have

下部本体１０２には、一対のランプソケット１０４が取り付けられており、蛍光ランプ（図示省略）が着脱可能に取り付けられる。また、下部本体１０２の下面は、反射板となっている。
器具本体１０１の側面には、カバー１０６を取り付けるための係止片部１０５が、外側に向かって突出して設けられている。カバー１０６は、合成樹脂により、上方に開口する略Ｕ字形状をしており、左右の上端部には長手方向に沿って内側に突出する掛け止め部１０７が設けられている。 A pair of lamp sockets 104 is attached to the lower body 102, and a fluorescent lamp (not shown) is detachably attached. The lower surface of the lower main body 102 is a reflecting plate.
A locking piece 105 for attaching the cover 106 is provided on the side surface of the instrument main body 101 so as to protrude outward. The cover 106 is made of synthetic resin and has a substantially U-shape that opens upward, and left and right upper end portions are provided with latching portions 107 that protrude inward along the longitudinal direction.

従って、カバー１０６は、掛け止め部１０７を上方から器具本体１０１の係止片部１０５に引っ掛けることにより、取り外し可能に取り付けられる。   Therefore, the cover 106 is detachably attached by hooking the latching portion 107 on the locking piece portion 105 of the instrument main body 101 from above.

特開平６−３３３４０８号公報（第１図）JP-A-6-333408 (FIG. 1)

しかしながら、前述した従来の照明器具１００においては、カバー１０６が透明の場合には、内部構造が外部から見えるため、意匠性が悪くなっていたという問題があった。
また、樹脂製の薄板状の掛け止め部１０７を器具本体１０１の係止片部１０５に掛けることによりカバー１０６を取り付けているので、カバー１０６の取付部の強度が不足していたという問題がある。 However, in the above-described conventional lighting device 100, when the cover 106 is transparent, the internal structure can be seen from the outside, and thus there is a problem that the design is deteriorated.
Further, since the cover 106 is attached by hanging the resin-made thin plate-like latching portion 107 on the locking piece portion 105 of the instrument body 101, there is a problem that the strength of the attachment portion of the cover 106 is insufficient. .

本発明は、従来の問題を解決するためになされたもので、透明のカバーを用いる場合でも、意匠性を改善できるとともに、カバーの取付部強度を確保できる照明器具を提供することを目的とする。   The present invention has been made to solve the conventional problems, and it is an object of the present invention to provide a lighting apparatus that can improve the design and secure the strength of the mounting portion of the cover even when a transparent cover is used. .

本発明の照明器具は、被取付部に取り付けられる器具本体と、光源を有する発光部と、器具本体に取り付けられて電源部を収容するとともに、発光部からの光を反射する山型状の反射板と、器具本体に着脱可能に取り付けられ、発光部および反射板を覆う透光性のカバーと、を有し、カバーを保持する保持部と、カバーの内面上端部に接触して反射板の側面を遮光する遮光部と、遮光部に連続して遮光部と反射板との間に設けられる折曲面部とを有する補強部材をカバーの内面に設けたものである。   The lighting fixture of the present invention includes a fixture main body attached to a mounted portion, a light emitting portion having a light source, and a mountain-shaped reflection that is attached to the fixture main body and accommodates a power supply portion and reflects light from the light emitting portion. A light-transmitting cover that is detachably attached to the instrument body and covers the light-emitting part and the reflecting plate, and is in contact with the upper end of the inner surface of the reflecting plate in contact with the holding part that holds the cover A reinforcing member is provided on the inner surface of the cover, which includes a light shielding portion that shields the side surface, and a folded curved surface portion that is provided between the light shielding portion and the reflection plate.

また、本発明の照明器具は、折曲面部を反射板の傾斜する反射面に連続して設け、反射板の役目を果たすものである。   Moreover, the lighting fixture of this invention provides a folding surface part continuously in the reflective surface which the reflecting plate inclines, and fulfill | performs the role of a reflecting plate.

さらに、本発明の照明器具は、補強部材の上端部に上方へ突出する突起を設け、カバーの上端部を逆Ｕ字形状に形成して補強部材を係止する係止部を設けるとともに、係止部の上端面に突起が嵌合する嵌合孔を設けたものである。   Furthermore, the lighting fixture of the present invention is provided with a protrusion projecting upward at the upper end of the reinforcing member, and provided with a locking portion for locking the reinforcing member by forming the upper end of the cover in an inverted U shape. A fitting hole into which the protrusion is fitted is provided on the upper end surface of the stopper.

本発明は、器具本体に取り付けられるカバーの内部に補強部材が取り付けられており、この補強部材は、カバーを保持する保持部を有するので、カバーの強度を確保できる。また、補強部材にはカバーの内面上端部に接触するとともに遮光する遮光部と、遮光部に連続して遮光部と反射板との間に折曲面部とが設けられており、反射板の側面が見えないように覆われるので、意匠性を改善することができるという効果を有する照明器具を提供できる。   In the present invention, the reinforcing member is attached to the inside of the cover attached to the instrument main body, and the reinforcing member has a holding portion for holding the cover, so that the strength of the cover can be secured. The reinforcing member is provided with a light-shielding portion that contacts and shields the upper end of the inner surface of the cover, and a fold-curved surface portion is provided between the light-shielding portion and the reflection plate in a continuous manner with the light-shielding portion. Since it is covered so that it cannot be seen, the lighting fixture which has the effect that designability can be improved can be provided.

本発明に係る実施形態の照明器具の分解斜視図The disassembled perspective view of the lighting fixture of embodiment which concerns on this invention （Ａ）は本発明に係る実施形態の照明器具の断面図であり、（Ｂ）は（Ａ）中Ｂ部分の拡大図(A) is sectional drawing of the lighting fixture of embodiment which concerns on this invention, (B) is an enlarged view of B part in (A). 補強部材とカバーとの取付部を示す分解斜視図Exploded perspective view showing attachment part of reinforcing member and cover 従来の照明器具の断面図Cross-sectional view of a conventional lighting fixture

以下、本発明に係る実施形態の照明器具について、図面を用いて説明する。
図１に示すように、本発明に係る実施形態の照明器具１０は、例えば、被取付部である天井１１に取り付けられる器具本体２０と、光源であるＬＥＤチップ３２（図２（Ａ）参照）を有する発光部３０と、器具本体２０に取り付けられて電源部４１を収容するとともに、発光部３０からの光を反射する山型状の反射板４０と、器具本体２０に着脱可能に取り付けられ、発光部３０および反射板４０を覆う透光性のカバー５０と、を有する。 Hereinafter, the lighting fixture of embodiment which concerns on this invention is demonstrated using drawing.
As shown in FIG. 1, the lighting fixture 10 of embodiment which concerns on this invention is the fixture main body 20 attached to the ceiling 11 which is a to-be-attached part, and the LED chip 32 which is a light source (refer FIG. 2 (A)), for example. A light emitting unit 30 having a light source 30, a power supply unit 41 that is attached to the instrument main body 20, a mountain-shaped reflector 40 that reflects light from the light emitting unit 30, and a detachably attached to the instrument main body 20, And a translucent cover 50 that covers the light emitting unit 30 and the reflection plate 40.

器具本体２０は，天井１１に取り付けられる平板状のベースプレート２１と、ベースプレート２１の長手方向両端に取り付けられる一対のエンドプレート２２を有する。ベースプレート２１は全体矩形状をしており、上方（図１において上方）へ突出する薄い円錐台形状の凸部２１１を複数個有する。これにより、器具本体２０を天井１１に取り付けた際に凸部２１１の上面が天井１１に接触し、ベースプレート２１が全面で接触するのを防止して、放熱効果を改善する。   The instrument main body 20 includes a flat base plate 21 attached to the ceiling 11 and a pair of end plates 22 attached to both ends in the longitudinal direction of the base plate 21. The base plate 21 has a rectangular shape as a whole, and has a plurality of thin truncated cone-shaped convex portions 211 protruding upward (upward in FIG. 1). Thereby, when the fixture main body 20 is attached to the ceiling 11, the upper surface of the convex portion 211 is in contact with the ceiling 11 and the base plate 21 is prevented from contacting the entire surface, thereby improving the heat dissipation effect.

エンドプレート２２は、上板２２１，縦板２２２，下板２２３から全体コ字状に形成されている。エンドプレート２２の上板２２１は、ねじ２５によりベースプレート２１の下面に取り付けられる。縦板２２２には、カバー５０を取り付けるためのねじ孔２３が設けられている。また、下板２２３には、反射板４０を取り付けるためのねじ孔２４が設けられている。   The end plate 22 is formed in an overall U shape from the upper plate 221, the vertical plate 222, and the lower plate 223. The upper plate 221 of the end plate 22 is attached to the lower surface of the base plate 21 with screws 25. The vertical plate 222 is provided with a screw hole 23 for attaching the cover 50. Further, the lower plate 223 is provided with a screw hole 24 for attaching the reflection plate 40.

図２（Ａ）にも示すように、反射板４０は板金を折り曲げ加工して形成されており、上方が開口した下向きに山型な断面を有する。すなわち、上部に対向する縦壁４２，４２を有し、縦壁４２，４２の下端から下方へ向かって内側に傾斜した反射面となる傾斜面４３，４３を有し、さらに、傾斜面４３，４３の下端同士を連結する水平な平坦部４４を有する。平坦部４４の長手方向両端部にはねじ締結用の貫通孔４４１が設けられており、ねじ（図示省略）を貫通孔４４１に挿通し、器具本体２０のエンドプレート２２のねじ孔２４に締結することにより、反射板４０を器具本体２０に取り付ける。
なお、反射板４０に収容される電源部４１は、ＬＥＤチップ３２に点灯用の電力を供給するものである。 As shown in FIG. 2A, the reflection plate 40 is formed by bending a sheet metal, and has a downward mountain-shaped cross section with an upper opening. That is, it has the vertical walls 42 and 42 which oppose upper part, has the inclined surfaces 43 and 43 used as the reflective surface inclined inward toward the downward direction from the lower end of the vertical walls 42 and 42, Furthermore, inclined surface 43, It has a horizontal flat part 44 that connects the lower ends of 43. At both ends in the longitudinal direction of the flat portion 44, screw fastening through holes 441 are provided, screws (not shown) are inserted into the through holes 441 and fastened to the screw holes 24 of the end plate 22 of the instrument body 20. Thus, the reflector 40 is attached to the instrument body 20.
The power supply unit 41 accommodated in the reflecting plate 40 supplies lighting power to the LED chip 32.

図２に示すように、反射板４０の平坦部４４の下面には、発光部３０が取り付けられる。発光部３０は、反射板４０の長手方向に長い実装基板３１を有し、実装基板３１には長手方向に沿って複数個のＬＥＤチップ３２が実装されている。実装基板３１は、その上面に設けられた放熱材３３を介してねじ３７により反射板４０の平坦部４４に下方から取り付けられる。この際に、放熱材３３の高さを変えることにより、ＬＥＤチップ３２の高さ位置が調整可能となっている。   As shown in FIG. 2, the light emitting unit 30 is attached to the lower surface of the flat portion 44 of the reflecting plate 40. The light emitting unit 30 includes a mounting substrate 31 that is long in the longitudinal direction of the reflection plate 40, and a plurality of LED chips 32 are mounted on the mounting substrate 31 along the longitudinal direction. The mounting substrate 31 is attached from below to the flat portion 44 of the reflecting plate 40 with screws 37 through a heat dissipating material 33 provided on the upper surface thereof. At this time, the height position of the LED chip 32 can be adjusted by changing the height of the heat radiation member 33.

実装基板３１および実装基板３１に実装されたＬＥＤチップ３２の前方（図２（Ａ）において下方）には、透明ケース３４が設けられている。透明ケース３４は、一定厚さの透明樹脂からなる略半円管形状の断面を有し、反射板４０の平坦部４４の長手方向に沿って長い部材である。透明ケース３４の内部には、ＬＥＤチップ３２および実装基板３１を含むように、樹脂材３５が充填されてレンズ３６を形成している。レンズ３６は、実装基板３１の後方位置（図２（Ａ）において上側）まで設けられている。また、レンズ３６は、反射板４０の平坦部４４の幅方向外側位置まで設けられている。   A transparent case 34 is provided in front of the mounting substrate 31 and the LED chip 32 mounted on the mounting substrate 31 (downward in FIG. 2A). The transparent case 34 has a substantially semicircular tube-shaped cross section made of a transparent resin having a constant thickness, and is a long member along the longitudinal direction of the flat portion 44 of the reflector 40. The transparent case 34 is filled with a resin material 35 to form a lens 36 so as to include the LED chip 32 and the mounting substrate 31. The lens 36 is provided up to a rear position of the mounting substrate 31 (upper side in FIG. 2A). Further, the lens 36 is provided up to the outer position in the width direction of the flat portion 44 of the reflecting plate 40.

図１および図２に示すように、カバー５０は、透光性を有する樹脂により、対向する一対の側板５２，５２と、側板５２，５２の下端部を連結する底板５３とから、上方が開口した矩形箱状に形成されている。なお、長手方向両端に設けられている端板５４には、ねじ用の貫通孔５５が設けられている。
従って、カバー５０は、器具本体２０に外嵌して、ねじ５１を貫通孔５５に挿通し、器具本体２０のエンドプレート２２のねじ孔２３に締結することにより器具本体２０に固定される（図１参照）。 As shown in FIG. 1 and FIG. 2, the cover 50 is opened upward from a pair of side plates 52, 52 facing each other and a bottom plate 53 connecting the lower ends of the side plates 52, 52 with a resin having translucency. It is formed in a rectangular box shape. The end plates 54 provided at both ends in the longitudinal direction are provided with screw through holes 55.
Accordingly, the cover 50 is fixed to the instrument main body 20 by being externally fitted to the instrument main body 20, inserting the screw 51 into the through hole 55, and fastening the screw 50 to the screw hole 23 of the end plate 22 of the instrument main body 20 (FIG. 1).

図２（Ｂ）に示すように、カバー５０の側板５２の上端部は、内側へ直角に曲がった上端面である平面部５６と、平面部５６の内側端から下方へ直角に曲がった内壁５７とを有し、逆Ｕ字形状の係止部５９を形成する。平面部５６の上側には、パッキン５８が取り付けられており、天井１１に取り付けられている器具本体２０にカバー５０を取り付けた際に、天井１１に当接する。   As shown in FIG. 2B, the upper end portion of the side plate 52 of the cover 50 has a flat portion 56 that is an upper end surface bent at a right angle inward, and an inner wall 57 bent at a right angle downward from the inner end of the flat portion 56. And an inverted U-shaped locking portion 59 is formed. A packing 58 is attached to the upper side of the flat portion 56, and comes into contact with the ceiling 11 when the cover 50 is attached to the instrument main body 20 attached to the ceiling 11.

カバー５０の内側上部には、補強部材である補強板６０が取り付けられる。補強板６０は，例えばステンレスの薄板で形成されており、上端部は逆Ｕ字形状に折り返されてカバー５０の上端の係止部５９に挿嵌される保持部６１を有する。保持部６１の下方には、カバー５０の側板５２の内面に当接する遮光部６２を有し、遮光部６２の下端部は下方に向かって内側へ傾斜した折曲面部６３を有する。
従って、保持部６１をカバー５０の係止部５９の側板５２と内壁５７との間に嵌合することにより、補強板６０はカバー５０の内側に取り付けられる。 A reinforcing plate 60 that is a reinforcing member is attached to the inner upper portion of the cover 50. The reinforcing plate 60 is formed of, for example, a stainless steel thin plate, and has an upper end portion that is folded back in an inverted U shape and has a holding portion 61 that is fitted into the engaging portion 59 at the upper end of the cover 50. Below the holding portion 61, there is a light shielding portion 62 that contacts the inner surface of the side plate 52 of the cover 50, and a lower end portion of the light shielding portion 62 has a bent surface portion 63 that is inclined inwardly downward.
Therefore, the reinforcing plate 60 is attached to the inside of the cover 50 by fitting the holding portion 61 between the side plate 52 of the locking portion 59 of the cover 50 and the inner wall 57.

遮光部６２は、カバー５０の側板５２の内面上端部に接触して反射板４０の側面を遮光する。折曲面部６３は、反射板４０の傾斜面４３を外側へ一直線に延長した角度で傾斜しており、遮光部６２に連続して遮光部６２と反射板４０の傾斜面４３との間に設けられる。折曲面部６３の下面は、反射板４０の傾斜面４３と同様に、発光部３０からの光を反射させる。
なお、遮光部６２の高さは、折曲面部６３の上端位置から決定される。 The light shielding unit 62 contacts the upper end of the inner surface of the side plate 52 of the cover 50 to shield the side surface of the reflecting plate 40. The folded curved surface portion 63 is inclined at an angle obtained by linearly extending the inclined surface 43 of the reflecting plate 40 outward, and is provided between the light shielding portion 62 and the inclined surface 43 of the reflecting plate 40 continuously to the light shielding portion 62. It is done. The lower surface of the folded curved surface portion 63 reflects light from the light emitting portion 30 in the same manner as the inclined surface 43 of the reflecting plate 40.
In addition, the height of the light shielding part 62 is determined from the upper end position of the folding surface part 63.

図３に示すように、補強板６０の保持部６１の上端部には、上方へ突出する突起６４が設けられている。一方、保持部６１が挿嵌されるカバー５０の平面部５６には、突起６４が嵌合する嵌合孔５６１が設けられている。
カバー５０が樹脂製であり、補強板６０が金属製であるため、熱膨張、吸水による伸びを考慮して，両端部には隙間が設けられている。このため、補強板６０をカバー５０の内側に取り付ける際に、保持部６１をカバー５０の係止部５９に嵌合させるとともに、突起６４を嵌合孔５６１に挿嵌して位置決めする。 As shown in FIG. 3, a protrusion 64 protruding upward is provided at the upper end portion of the holding portion 61 of the reinforcing plate 60. On the other hand, the flat portion 56 of the cover 50 into which the holding portion 61 is inserted is provided with a fitting hole 561 into which the protrusion 64 is fitted.
Since the cover 50 is made of resin and the reinforcing plate 60 is made of metal, a gap is provided at both ends in consideration of thermal expansion and elongation due to water absorption. For this reason, when attaching the reinforcing plate 60 to the inside of the cover 50, the holding portion 61 is fitted into the locking portion 59 of the cover 50, and the protrusion 64 is inserted into the fitting hole 561 and positioned.

以上、説明した本発明に係る実施形態の照明器具１０によれば、ＬＥＤチップ３２を有する発光部３０および山型の反射板４０を覆う透光性のカバー５０が、器具本体２０に取り付けられるが、カバー５０の内部には補強板６０が取り付けられる。この補強板６０は、カバー５０を保持する保持部６１を有するので、カバー５０の強度を確保できる。
また、補強板６０には、カバー５０の内面上端部に接触するとともに遮光する遮光部６２と、遮光部６２に連続して遮光部６２と反射板４０との間に位置する折曲面部６３とが設けられており、反射板４０の側面が見えないように覆われるので、意匠性を改善することができる。 As mentioned above, according to the lighting fixture 10 of embodiment which concerns on this invention demonstrated, although the translucent cover 50 which covers the light emission part 30 which has the LED chip 32, and the mountain-shaped reflecting plate 40 is attached to the fixture main body 20. FIG. The reinforcing plate 60 is attached inside the cover 50. Since the reinforcing plate 60 includes the holding portion 61 that holds the cover 50, the strength of the cover 50 can be ensured.
The reinforcing plate 60 includes a light shielding portion 62 that contacts and shields the inner surface upper end portion of the cover 50, and a folding surface portion 63 that is continuous between the light shielding portion 62 and located between the light shielding portion 62 and the reflecting plate 40. Is provided so that the side surface of the reflecting plate 40 cannot be seen, so that the design can be improved.

また、補強板６０の遮光部６２と反射板４０との間に設けられた折曲面部６３が、反射板の役目を果たすので、あたかも反射板が全幅にわたって設けられているような状態となり、反射効率を改善できる。   In addition, the folded curved surface portion 63 provided between the light shielding portion 62 of the reinforcing plate 60 and the reflecting plate 40 serves as a reflecting plate, so that the reflecting plate is provided over the entire width. Efficiency can be improved.

また、補強板６０の上端部に上方へ突出する突起６４を設け、カバー５０の上端部を逆Ｕ字形状に形成して係止部５９を設けるとともに、係止部５９の上端面に突起６４が嵌合する嵌合孔５６１を設けたので、補強板６０の突起６４をカバー５０の嵌合孔５６１に嵌合することにより、カバー５０の長手方向のずれを防止できる。   In addition, a protrusion 64 that protrudes upward is provided at the upper end of the reinforcing plate 60, the upper end of the cover 50 is formed in an inverted U shape to provide a locking part 59, and the protrusion 64 is provided on the upper end surface of the locking part 59. Since the fitting hole 561 for fitting is provided, the protrusion 64 of the reinforcing plate 60 is fitted into the fitting hole 561 of the cover 50, so that the cover 50 can be prevented from shifting in the longitudinal direction.

また、照明器具１０は、器具本体２０に取り付けられた発光部３０および反射板４０を有しており、発光部３０は光源であるＬＥＤチップ３２を有する。そして、ＬＥＤチップ３２およびこのＬＥＤチップ３２を実装する実装基板３１の前方に曲面を有する透明ケース３４を設け、この透明ケース３４の内部に樹脂材３５を充填してレンズ３６を形成するが、レンズ３６は実装基板３１の後方まで設けられているので、照明光のムラを防止できる。   Moreover, the lighting fixture 10 has the light emission part 30 and the reflecting plate 40 which were attached to the fixture main body 20, and the light emission part 30 has the LED chip 32 which is a light source. A transparent case 34 having a curved surface is provided in front of the LED chip 32 and the mounting substrate 31 on which the LED chip 32 is mounted, and a resin material 35 is filled in the transparent case 34 to form a lens 36. Since 36 is provided to the rear of the mounting substrate 31, unevenness of illumination light can be prevented.

さらに、山型の反射板４０の先端に平坦部４４を設け、この平坦部４４に発光部３０を取り付けるとともに、平坦部４４よりもレンズ３６が外側に突出するようにしたので、透明ケース３４によって後方へ導かれる光を山型反射板４０の傾斜面４３に照射する。これにより、横方向に照射される光のみならず、上方向に照射される光を反射することにより、反射効率を改善できる。   Further, a flat portion 44 is provided at the tip of the mountain-shaped reflector 40, and the light emitting portion 30 is attached to the flat portion 44, and the lens 36 protrudes outward from the flat portion 44. The light guided backward is applied to the inclined surface 43 of the mountain-shaped reflector 40. Thereby, the reflection efficiency can be improved by reflecting not only the light irradiated in the lateral direction but also the light irradiated in the upward direction.

なお、本発明の照明器具は、前述した実施形態に限定されるものでなく、適宜な変形，改良等が可能である。   In addition, the lighting fixture of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

１０ 照明器具
１１ 天井（被取付部）
２０ 器具本体
３０ 発光部
３２ ＬＥＤチップ（光源）
４０ 反射板
４１ 電源部
４３ 傾斜面（反射面）
５０ カバー
５６ 平面部（上端面）
５６１ 嵌合孔
５９ 係止部
６０ 補強板（補強部材）
６１ 保持部
６２ 遮光部
６３ 折曲面部
６４ 突起 10 Lighting equipment 11 Ceiling (attached part)
20 Instrument body 30 Light emitting part 32 LED chip (light source)
40 Reflector 41 Power supply 43 Inclined surface (Reflective surface)
50 Cover 56 Flat part (upper end face)
561 Fitting hole 59 Locking portion 60 Reinforcing plate (reinforcing member)
61 Holding part 62 Light-shielding part 63 Folding surface part 64 Protrusion

Claims (3)

被取付部に取り付けられる器具本体と、
光源を有する発光部と、
前記器具本体に取り付けられて電源部を収容するとともに、前記発光部からの光を反射する山型状の反射板と、
前記器具本体に着脱可能に取り付けられ、前記発光部および前記反射板を覆う透光性のカバーと、を有し、
前記カバーを保持する保持部と、前記カバーの内面上端部に接触して前記反射板の側面を遮光する遮光部と、前記遮光部に連続して前記遮光部と前記反射板との間に設けられる折曲面部とを有する補強部材を前記カバーの内面に設けた照明器具。 An instrument body to be attached to the attached part;
A light emitting unit having a light source;
A mountain-shaped reflecting plate that is attached to the instrument body and houses a power supply unit, and reflects light from the light emitting unit;
A light-transmitting cover that is detachably attached to the instrument body and covers the light-emitting portion and the reflecting plate;
A holding part that holds the cover, a light-shielding part that contacts the upper end of the inner surface of the cover and shields the side surface of the reflection plate, and a space between the light-shielding part and the reflection plate that is continuous with the light-shielding part. The lighting fixture which provided the reinforcing member which has a folding surface part to be provided in the inner surface of the said cover. 請求項１に記載の照明器具において、
前記折曲面部を前記反射板の傾斜する反射面に連続して設け、反射板の役目を果たす照明器具。 The lighting fixture according to claim 1,
A luminaire that plays the role of a reflector by providing the bent surface portion continuously on the inclined reflecting surface of the reflector. 請求項１または請求項２に記載の照明器具において、
前記補強部材の上端部に上方へ突出する突起を設け、
前記カバーの上端部を逆Ｕ字形状に形成して前記補強部材を係止する係止部を設けるとともに、前記係止部の上端面に前記突起が嵌合する嵌合孔を設けた照明器具。 The lighting fixture according to claim 1 or 2,
Providing a protrusion protruding upward at the upper end of the reinforcing member,
A lighting fixture in which an upper end portion of the cover is formed in an inverted U shape to provide a locking portion for locking the reinforcing member, and a fitting hole for fitting the protrusion to the upper end surface of the locking portion. .
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CN106594572A (en) * 2017-01-09 2017-04-26 于家傲 Intelligent desk lamp capable of adjusting brightness
JP2019009096A (en) * 2017-06-28 2019-01-17 三菱電機株式会社 Light source unit and luminaire
JP6994850B2 (en) 2017-06-28 2022-02-04 三菱電機株式会社 Light source unit and lighting equipment
JP2019012706A (en) * 2018-10-26 2019-01-24 三菱電機株式会社 Lighting apparatus
JP7333723B2 (en) 2019-08-06 2023-08-25 三菱電機株式会社 lighting equipment

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