CN103017047B - Lighting apparatus - Google Patents
Lighting apparatus Download PDFInfo
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- CN103017047B CN103017047B CN201210307985.3A CN201210307985A CN103017047B CN 103017047 B CN103017047 B CN 103017047B CN 201210307985 A CN201210307985 A CN 201210307985A CN 103017047 B CN103017047 B CN 103017047B
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Abstract
A lighting apparatus (A) includes: an apparatus main body (1); a front cover (3) arranged before the apparatus main body (1), and a light source unit (4) arranged before the front cover (3). The front cover (3) is formed into a rectangular box with an opening on the rear side, and the front surface of the front cover (3) is provided with a housing concave part (32) for housing the light source unit (4) and a flat surface (35) horizontally extending from the opening end edge of the housing concave part (32). The light source unit (4) comprises a light source part (44), and a cover (45) for covering the light source part (44). The cover (45) is formed by a curved surface with a prescribed curvature, and has a bottom part (45a) arranged before the light source part (44). Moreover, at the state of mounting the lighting apparatus (A) on a ceiling surface (100), the flat surface (35) is arranged on one side near to the ceiling surface (100) relative to the extending curved surface (b) along the bottom part (45a) of the cover (45).
Description
Technical field
The present invention relates to ligthing paraphernalia.
Background technology
In the past, provide and be installed on ceiling and the indoor ligthing paraphernalia (such as with reference to patent document 1) carrying out throwing light on.This ligthing paraphernalia possesses: the appliance body of rectangular box, its lower surface opening; Multiple LED, is equipped with multiple LED respectively, separates predetermined distance transversely arranged configuration in appliance body; And multiple reflecting plate, be configured in respectively between adjacent LED, the light from LED is reflected downwards.In this ligthing paraphernalia, irradiate from a part for the light of LED radiation directly to below, remaining light is irradiated to below by after baffle reflection, therefore, it is possible to make irradiation light quantity downwards increase the amount of reverberation.
Patent document 1: Japanese Utility Model registers No. 3147577 publication (［ 0008 ］ section-［ 0014 ］ section, and Fig. 1-Fig. 8)
In the ligthing paraphernalia described in above-mentioned patent document 1, by reflecting plate, the light from LED is reflected, thus the irradiation light quantity that can increase downwards, but the light from LED is difficult to the peripheral edge portion arriving appliance body, as a result, there is above-mentioned outer edge branch dimmed and produce the problem of hot spot.
Summary of the invention
The present invention puts in view of the above problems and makes, and its object is to, provides a kind of small-sized ligthing paraphernalia, guarantee the irradiation light quantity to lighting space, and reduce hot spot.
Ligthing paraphernalia of the present invention possesses: appliance body, is arranged on building sides; Light source cell, is configured in the side contrary with described building sides relative to described appliance body, is irradiated by the light from light source to the lighting space with described building sides opposite side; And first reflecting part, relative to the oblique inclination of the optical axis of described light source, the light from the oblique radiation of described light source is reflected towards described lighting space; Described light source cell possesses: described light source; Second reflecting part, relative to the oblique inclination of the optical axis of described light source, reflects the light from the oblique radiation of described light source towards described lighting space; And cover, there is diffusivity, configure in the mode covering described light source; Described first reflecting part is set as, less than described second reflecting part relative to the angle of inclination of the optical axis of described light source; Described cover, by specify the Surface forming that curvature is formed, has and is configured in the main diffusion face with described building sides opposite side relative to described light source; At the ora terminalis being positioned at described lighting space side of described first reflecting part, be provided with and extend outstanding tabular surface along the direction parallel with described building sides; Described tabular surface, relative to the curved surface extended along described main diffusion face, is positioned at the side close to described building sides.
The effect of invention:
There is following effect: a kind of small-sized ligthing paraphernalia can be provided, guarantee the irradiation light quantity to lighting space, and reduce hot spot.
Accompanying drawing explanation
Fig. 1 is the sectional view along long side direction of the ligthing paraphernalia of present embodiment.
Fig. 2 is the key diagram of the sequence of construction of the ligthing paraphernalia that this embodiment is described.
Fig. 3 is other key diagrams of the sequence of construction of the ligthing paraphernalia that present embodiment is described.
Fig. 4 represents the ligthing paraphernalia of present embodiment, and (a) is side view, and (b) is upward view.
Fig. 5 is the exploded perspective view of the light source cell used in the ligthing paraphernalia of present embodiment.
Detailed description of the invention
Below, the embodiment of ligthing paraphernalia is described based on Fig. 1 ~ Fig. 5.Part same or analogous in accompanying drawing entirety is given identical Reference numeral and omitted the description.The ligthing paraphernalia A of present embodiment such as shown in Figure 1, is installed on ceiling face (building sides) 100, for throwing light on to the indoor as lighting space.
Fig. 1 is the sectional view along long side direction of the ligthing paraphernalia A of present embodiment, and this ligthing paraphernalia A mainly possesses: appliance body 1, installation fitting 2, above cover body 3 and light source cell 4.
As shown in FIG. 1 to 3, appliance body 1 is by rectangular and the bottom surface sections 11 of rectangular plate-like and sidewall portion 12 are formed as section looks U-shaped, and this sidewall portion 12 bends from the two ends of the width (left and right directions Fig. 1) of bottom surface sections 11 to the direction orthogonal with bottom surface sections 11.Bottom surface sections 11 is provided with the jut 13,13 that 3 groups is 1 group with 2 on long side direction (left and right directions in Fig. 2), this jut 13 have for appliance body 1 is installed to ceiling face 100, screw thread inserting hole (not shown) that construction bolt (not shown) is inserted.In addition, being respectively equipped with at the two ends of the long side direction in each sidewall portion 12 with 2 is the stop hole 14,14 of 1 group.
As shown in FIG. 1 to 3, installation fitting 2 is formed as substantially rectangular channel-shaped by the bottom surface sections 21 of rectangular plate-like and sidewall portion 22, and this sidewall portion 22 bends from the two ends of the width (left and right directions Fig. 1) of bottom surface sections 21 to the direction orthogonal with bottom surface sections 21.Each sidewall portion 22 being provided with 2 is the engagement pawl 23,23 of 1 group, and what the engagement pawl 23,23 that should be 1 group with 2 was locked on each sidewall portion 12 being arranged at appliance body 1 is in the stop hole 14,14 of 1 group with 2.In addition, bottom surface sections 21 is provided with the screwed hole (not shown) that the mounting screw 7 for installing cover body 3 is above screwed into.In addition, installation fitting 2 is separately installed with 1 at the two ends of the long side direction (left and right directions in Fig. 2) of appliance body 1.
As shown in FIG. 1 to 3, before cover body 3 be formed as substantially rectangular box like by the bottom surface sections 36 of strip and sidewall portion 37, this sidewall portion 37 bends from the two ends of the width (left and right directions Fig. 1) of bottom surface sections 36 to the direction orthogonal with bottom surface sections 36.In bottom surface sections 36, the housing recess 32 of storage light source cell 4 is provided with along long side direction (left and right directions in Fig. 2), in the bottom of housing recess 32, the screw thread inserting hole 33 that mounting screw 7 is inserted is located at the two ends (with reference to Fig. 4 (b)) of long side direction respectively.In addition, the reflecting part 34,34 be made up of the two side on the width of housing recess 32 is made up of inclined plane, this inclined plane to tilt along with becoming large mode away from mutual interval bottom housing recess 32, by the light that radiates obliquely from the light source cell 4 be accommodated in housing recess 32 to lighting space (lower side space in Fig. 1) lateral reflection.In addition, between the ora terminalis and corresponding sidewall portion 37 of the open side of each reflecting part 34, be provided with along the extended tabular surface 35 in the direction (with the optical axis of light emitting diode orthogonal direction) parallel with ceiling face 100.At this, in the present embodiment, the first reflecting part is formed by reflecting part 34.
As shown in Fig. 1 and Fig. 5, light source cell 4 mainly possesses: light source portion 44, thermal component 42, insulating element 43, installing component 41 and cover 45.
Light source portion 44 has: installation base plate 44a, is formed as rectangular and rectangular plate-like by insulating materials (such as pottery); Multiple light emitting diode (not shown), is installed on the surface (face of the downside in Fig. 5) of installation base plate 44a; And electric conductor (not shown), be formed at the surface of installation base plate 44a.Multiple light emitting diode along installation base plate 44a long side direction with at equal intervals and linearity install side by side, be there is light transmission and the plastic seal member 44b being mixed with fluorescent material seals.Namely, wavelength conversion is carried out by fluorescent material from a part for the light (such as blue light) of light emitting diode radiation, by by the light (such as sodium yellow) after wavelength conversion and light (blue light) mixing not carrying out wavelength conversion, become white light as a whole from the light of light source portion 44 radiation.
The main leaf 42a of thermal component 42 and lateral plate 42b is formed by the material (such as aluminium sheet) that thermal conductivity is higher, this main leaf 42a is formed as rectangular tabular, and this lateral plate 42b is extended to the direction orthogonal with main leaf 42a from the two ends the width of main leaf 42a.On a face (being placed with the face of light source portion 44, hereinafter referred to as mounting surface) of main leaf 42a, be provided with to outstanding multiple (in Fig. 5 being 2) the projecting strip part 42c in the direction close to light source portion 44 along long side direction.In addition, on each lateral plate 42b, multiple (in Fig. 5 being 3) engaging protrusion 42d is provided with along long side direction.
Principal part 43a and a pair reflecting part 43b, 43b of insulating element 43 are formed by forming synthetic resin product, and this principal part 43a is installed between the main leaf 42a of the thermal component 42 and installation base plate 44a of light source portion 44, is formed as rectangular and tabular; This pair reflecting part 43b, 43b from the two ends the width of principal part 43a with along with away from principal part 43a, mutual interval becomes large mode and tilts.The surface of the side opposed with light source portion 44 of a pair reflecting part 43b, 43b becomes reflecting surface, by the light that radiates obliquely from light source portion 44 to lighting space (lower side space in Fig. 1) lateral reflection.In addition, under the state of main leaf 42a that insulating element 43 is placed in thermal component 42, the inserting hole 43c of the elongated hole-shape that projecting strip part 42c inserts runs through the central authorities of principal part 43a.And then the end side on the long side direction of insulating element 43, is equipped with the wall portion 43d of the end-enclosed of thermal component 42.
In addition, insulating element 43 has multiple locator protrusions 43e, and the plurality of locator protrusions 43e inserts respectively in multiple locating hole 42e of the main leaf 42a being arranged at thermal component 42.Locator protrusions 43e is formed as the cylindrical shape outstanding to the direction of the main leaf 42a close to thermal component 42 from the two ends the width of principal part 43a, and along the long side direction of principal part 43a to arrange at equal intervals.Thus, in the locating hole 42e of main leaf 42a, inserted locator protrusions 43e respectively, and inserted projecting strip part 42c in the inserting hole 43c of principal part 43a, thus insulating element 43 has been located relative to thermal component 42.In addition, form as one to the reverse outstanding columned raised 43f of locator protrusions 43e and each locator protrusions 43e, by these projection 43f, support the cover 45 covering the light transmission of light source portion 44 and thermal component 42 from front and side.
And, each reflecting part 43b with the face of reflecting surface opposite side on be equipped with engagement pawl 43g, by being inserted by these engagement pawl 43g and being locked in the stop hole 42f of the lateral plate 42b being arranged at thermal component 42, prevent insulating element 43 from departing from (with reference to Fig. 1) from thermal component 42.At this, in the present embodiment, the second reflecting part is formed by reflecting part 43b.
Installing component 41 is formed as one and substantially rectangular channel-shaped by the rectangular and base plate 41a of rectangular plate-like and pair of side plates 41b, and this pair of side plates 41b bends from the two ends the width of base plate 41a to the direction orthogonal with base plate 41a.This installing component 41, under the state between lateral plate 42b, 42b being incorporated in thermal component 42, is fixed on thermal component 42 by the suitable method such as riveting or screw togather.
And, on installing component 41, use installation fitting 46 that socket connector 47 is installed.Socket connector 47 has: splicing ear portion 47a, is connected with the electric wire (not shown) be electrically connected with the electric conductor of light source portion 44 (not shown); And connector connection part 47b, insert (with reference to Fig. 2) for plug connector 5.Plug connector 5 is connected with ignition device (not shown) via electric wire 6, and be connected by being inserted with socket connector 47 by plug connector 5, ignition device and light source portion 44 are electrically connected, and power from ignition device to light source portion 44, light source portion 44 luminescence (lighting).
Installation fitting 46 is provided with integratedly: rectangular box-like connector maintaining part 46a, keeps socket connector 47; The roughly support portion 46b of trapezoidal shape, tilts from the end of connector maintaining part 46a; And a pair fixed claw 46c, give prominence to from the front end of support portion 46b.This installation fitting 46 makes fixed claw 46c insert to be formed at a pair holddown groove 41d(Fig. 5 of the end of the base plate 41a of installing component 41 to illustrate only side), and the screw (not shown) inserted in the screw thread inserting hole 46d running through support portion 46b is screwed in the screwed hole 41c at the two ends of the long side direction being formed at base plate 41a, thus installation fitting 46 is fixed on installing component 41.
The synthetic resin material that cover 45 has light transmission by acrylic resin or polycarbonate resin etc. is formed as rectangular rectangular box, and this rectangular rectangular box has: the bottom surface sections 45a be made up of the curved surface formed with regulation curvature; And the sidewall portion 45b surrounded around bottom surface sections 45a.In addition, on cover 45, multiple engaging recessed part 45c(is being respectively equipped with reference to Fig. 1 on the pair of sidewalls portion 45b of long side direction), the plurality of engaging recessed part 45c, in the mode that can freely engage or be separated, engages with multiple engaging protrusion 42d of the lateral plate 42b being arranged at thermal component 42.This cover 45 by being respectively equipped with concavo-convex projection at the inner surface of bottom surface sections 45a and outer surface, and has the function of the light diffusion making to radiate from light source portion 44, through bottom surface sections 45a radiation, from the light of light source portion 44 by with wide-angle light-distribution.In the present embodiment, main diffusion face is formed by the outer surface of bottom surface sections 45a.Such main diffusion face is configured in the side contrary with ceiling face 100 relative to the light emitting diode of light source portion 44.
Next, be described with reference to the assembling sequence of Fig. 1 and Fig. 5 to light source cell 4.First, light source portion 44 is positioned in the mounting surface of each principal part 43a of a pair insulating element 43, by the method bonded or riveted joint etc. is suitable, light source portion 44 is combined with each insulating element 43.
Then, a pair insulating element 43 be combined with light source portion 44 is installed on the main leaf 42a of thermal component 42.Now, the engagement pawl 43g being arranged at insulating element 43 inserts and is locked in the stop hole 42f of the lateral plate 42b being arranged at thermal component 42, prevents insulating element 43 from departing from from thermal component 42 thus.Then, the installing component 41 of socket connector 47 being installed by installation fitting 46, being fixed on thermal component 42 by the suitable method such as riveting or screw togather.Finally, with make bottom surface sections 45a opposed with light source portion 44 towards after cover 45 is covered on thermal component 42, the engaging protrusion 42d of lateral plate 42b engages with the engaging recessed part 45c of sidewall portion 45b, and cover 45 is combined with thermal component 42, and the assembling of light source cell 4 terminates thus.
And then, be described with reference to the sequence of construction of Fig. 2 and Fig. 3 to ligthing paraphernalia A.Light source cell 4 after assembling make installation fitting 46 and socket connector 47 be passed in the housing recess 32 of cover body 3 above bottom arrange opening portion (not shown) and be configured in upside (side contrary with housing recess 32) state under, by the suitable method such as screwing togather, be arranged on above on cover body 3.In addition, in the present embodiment, as shown in Figure 1, to cover body 3 above transversely arranged 2 light source cells 4,4 are installed.In addition, the mounting screw 7 of each screw thread inserting hole 33 at the two ends of inserting on the long side direction being arranged at cover body 3 is above screwed into the screwed hole (not shown) of corresponding installation fitting 2, thus, installation fitting 2,2 is arranged on above on cover body 3.
Then, after appliance body 1 is fixed on ceiling face 100 by the construction bolt (not shown) that use is inserted in the screw thread inserting hole of each jut 13, each plug connector 5 is connected with corresponding socket connector 47, and the engagement pawl 23,23 of each installation fitting 2 is locked to respectively the stop hole 14,14 of the correspondence of appliance body 1, thus, to cover body 3 and light source cell 4,4 be arranged on appliance body 1 above via installation fitting 2,2, the construction of ligthing paraphernalia A terminates (with reference to Fig. 1 and Fig. 4).
At this, Fig. 1 is sectional view ligthing paraphernalia A being arranged on the state on ceiling face 100.The reflecting part 34 of cover body 3 is θ 1 relative to the angle of inclination of the optical axis P1 of light source portion 44 above, and reflecting part 43b is θ 2(θ 2 > θ 1 relative to the angle of inclination of the optical axis P1 of light source portion 44).In other words, in the present embodiment, the angle of inclination of the reflecting part 34 in outside is configured in by making the angle of inclination of the reflecting part 43b being configured in inner side be greater than, realize the luminous intensity distribution of wide-angle, in addition, by making the angle of inclination of the reflecting part 34 being configured in outside less, the width dimensions of utensil entirety can be reduced, the miniaturization of ligthing paraphernalia A can be realized.
In addition, the double dot dash line in Fig. 1 shows the curved surface b that the outer surface along the bottom surface sections 45a of cover 45 extends, in the present embodiment, before the tabular surface 35 of cover body 3 be positioned at side near ceiling face 100 for this curved surface b.Further, because cover 45 and tabular surface 35 are in such position relationship, the light that quilt cover 45 can be made to spread irradiates towards tabular surface 35.
Thus, ligthing paraphernalia A according to the present embodiment, light source cell 4 is configured in the side contrary with ceiling face 100 for appliance body 1, and the lighting space of the light emitting diode of light source cell 4 pair and ceiling face 100 opposite side irradiates light.In addition, by making the light irradiated from light source cell 4 be reflected by reflecting part 34 and reflecting part 43b, the irradiation light quantity to lighting space can be guaranteed, and the light that quilt cover 45 can be made to spread irradiates towards tabular surface 35, therefore, tabular surface 35 can not be dimmed, can reduce hot spot.
In addition, in the present embodiment, be illustrated for the ligthing paraphernalia A of the rectangle type being configured with 2 row light source cells 4, but, also can be such as the ligthing paraphernalia of the square type being configured with 4 row or 8 row light source cells 4, be not limited to present embodiment.In addition, in the present embodiment, using light emitting diode as light source, but light source is not limited to light emitting diode, also can be fluorescent lamp etc.And the number of light source cell 4 is not limited to the situation of present embodiment, can be 1, also can be more than 3.
Being explained above preferred embodiment of the present invention, but the invention is not restricted to these specific embodiments, not departing from the scope of claim, can carry out various change and distortion, these change and distortion is also contained in scope of the present invention.
Claims (1)
1. a ligthing paraphernalia, is characterized in that, possesses:
Appliance body, is arranged on building sides;
Light source cell, is configured in the side contrary with described building sides relative to described appliance body, is irradiated by the light from light source to the lighting space with described building sides opposite side; And
First reflecting part, relative to the oblique inclination of the optical axis of described light source, reflects the light from the oblique radiation of described light source towards described lighting space;
Described light source cell possesses: described light source; Second reflecting part, relative to the oblique inclination of the optical axis of described light source, reflects the light from the oblique radiation of described light source towards described lighting space; And cover, there is diffusivity, configure in the mode covering described light source;
Described first reflecting part is set as, less than described second reflecting part relative to the angle of inclination of the optical axis of described light source;
Described cover has by the Surface forming formed with regulation curvature and has the bottom surface sections of inner surface and outer surface, forms main diffusion face by the described outer surface of described bottom surface sections, and described main diffusion face is configured in and described building sides opposite side relative to described light source;
At the ora terminalis being positioned at described lighting space side of described first reflecting part, be provided with and extend outstanding tabular surface along the direction parallel with described building sides;
Described tabular surface, relative to the curved surface extended along described main diffusion face, is positioned at the side close to described building sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011209009A JP5711635B2 (en) | 2011-09-26 | 2011-09-26 | lighting equipment |
| JP209009/2011 | 2011-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103017047A CN103017047A (en) | 2013-04-03 |
| CN103017047B true CN103017047B (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210307985.3A Active CN103017047B (en) | 2011-09-26 | 2012-08-27 | Lighting apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5711635B2 (en) |
| CN (1) | CN103017047B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5498618B1 (en) * | 2013-11-15 | 2014-05-21 | パナソニック株式会社 | lighting equipment |
| KR101866284B1 (en) * | 2015-10-06 | 2018-06-11 | 이현식 | Led lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710323A (en) * | 2004-06-18 | 2005-12-21 | 艾柯蒂布兰兹公司 | Light fixture and lens assembly for same |
| JP3147577U (en) * | 2008-10-23 | 2009-01-08 | ソリッド ステイト ライティング カンパニー リミテッド | LED lighting fixtures that do not require a backboard |
| CN101852390A (en) * | 2010-06-10 | 2010-10-06 | 北京唐艺亮霸工贸有限公司 | Reflector of lighting lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754377A (en) * | 1986-02-21 | 1988-06-28 | Thomas Industries, Inc. | Thermally protected recessed lighting fixture |
| CN2729525Y (en) * | 2004-06-03 | 2005-09-28 | 深圳市海洋王投资发展有限公司 | Antidazzle ceiling light |
| CN200979098Y (en) * | 2006-09-07 | 2007-11-21 | 深圳市嘉普通太阳能有限公司 | Accurate induction ceiling lamp |
| JP4894600B2 (en) * | 2007-04-24 | 2012-03-14 | パナソニック電工株式会社 | lighting equipment |
| EP2180241B1 (en) * | 2008-10-22 | 2012-08-29 | Toshiba Lighting & Technology Corporation | Lighting Apparatus |
| JP5320609B2 (en) * | 2009-04-30 | 2013-10-23 | 東芝ライテック株式会社 | Lamp apparatus and lighting apparatus |
| JP5524656B2 (en) * | 2009-07-13 | 2014-06-18 | ローム株式会社 | LED lighting device |
| JP5320600B2 (en) * | 2009-09-25 | 2013-10-23 | 東芝ライテック株式会社 | lighting equipment |
| CN202195379U (en) * | 2011-07-21 | 2012-04-18 | 梅志国 | LED tube lamp |
-
2011
- 2011-09-26 JP JP2011209009A patent/JP5711635B2/en active Active
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2012
- 2012-08-27 CN CN201210307985.3A patent/CN103017047B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710323A (en) * | 2004-06-18 | 2005-12-21 | 艾柯蒂布兰兹公司 | Light fixture and lens assembly for same |
| JP3147577U (en) * | 2008-10-23 | 2009-01-08 | ソリッド ステイト ライティング カンパニー リミテッド | LED lighting fixtures that do not require a backboard |
| CN101852390A (en) * | 2010-06-10 | 2010-10-06 | 北京唐艺亮霸工贸有限公司 | Reflector of lighting lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013069627A (en) | 2013-04-18 |
| JP5711635B2 (en) | 2015-05-07 |
| CN103017047A (en) | 2013-04-03 |
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