CN103375716A - Illuminating device - Google Patents

Illuminating device Download PDF

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Publication number
CN103375716A
CN103375716A CN2013101327158A CN201310132715A CN103375716A CN 103375716 A CN103375716 A CN 103375716A CN 2013101327158 A CN2013101327158 A CN 2013101327158A CN 201310132715 A CN201310132715 A CN 201310132715A CN 103375716 A CN103375716 A CN 103375716A
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CN
China
Prior art keywords
light source
light
lighting device
diffuser
appliance body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013101327158A
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Chinese (zh)
Other versions
CN103375716B (en
Inventor
小野隆
丸山孝享
黑泽佑介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Global Life Solutions Inc
Original Assignee
Hitachi Appliances Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Appliances Inc filed Critical Hitachi Appliances Inc
Publication of CN103375716A publication Critical patent/CN103375716A/en
Application granted granted Critical
Publication of CN103375716B publication Critical patent/CN103375716B/en
Expired - Fee Related legal-status Critical Current
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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)

Abstract

The present invention provides an illuminating device which sufficiently ensures width of light relative to transverse direction (horizontal direction) of a ceiling surface and has high uniformity. The illuminating device is provided with the following components: a device body; light source parts which are divided into two rows for configuring to the device body and is composed of light emitting diodes; a power supply device which is configured between the light source parts that are divided into two rows and drive the light source parts; and transparent covers which respectively cover the light source parts that are divided into two rows, wherein, the illuminating device is provided with a reflecting board which covers the light source device. The outside surface of the reflecting board is approximately perpendicular to the device body, and furthermore the external surface of the reflecting board is adjacent to one part of the surface of the transparent cover.

Description

Lighting device
Technical field
The present invention relates to lighting device.
Background technology
In recent years, provided with directive property high LED(light emitting diode, light-emitting component) etc. as the lighting device of light source.As an example of such lighting device, rectangular lighting device that is installed in ceiling face etc. etc. is arranged.For example, in patent documentation 1, make the high led light source of directive property horizontal arrangement on the direction of floor, and be provided with and be bent into the reflector plate that section is roughly " コ " word shape, and dispose in the mode that the two edges of reflector plate are positioned at the two edges of light penetrating panel, thereby have lighting device under especially bright tendency.
Patent documentation 1: No. 4528862 communique of Japan Patent
Summary of the invention
But, because the reflector plate of side direction and LED are closely with respect to the vertical tilted configuration in the product of patent documentation 1, therefore the light of the reflector plate of side direction irradiation becomes the reverberation that shines under the lighting device in from LED to product, especially bright under the lighting device, but the worry of the uniformity (homogeneity of indoor Luminance Distribution) step-down is arranged.
The object of the present invention is to provide and fully guarantee with respect to horizontal the widening and lighting device that the uniformity is high of light of (horizontal direction) of ceiling face.
In order to solve above-mentioned problem, lighting device has: appliance body; Be isolated into the light source portion that is consisted of by light emitting diode that 2 row are disposed at this appliance body; Be configured between the above-mentioned light source portion that is isolated into 2 row configurations and drive the supply unit of above-mentioned light source portion; And the diffuser that arranges in the modes that cover respectively the above-mentioned light source portion be isolated into 2 row configurations, wherein, possess the reflecting plate that covers above-mentioned supply unit, the lateral surface of said reflection plate is configured to, with respect to above-mentioned appliance body vertical roughly, and with the part adjacency of the face of above-mentioned diffuser.
According to the present invention, can provide and fully guarantee with respect to horizontal the widening and lighting device that the uniformity is high of light of (horizontal direction) of ceiling face.
Description of drawings
Fig. 1 is the stereogram of the lighting device 10 of expression embodiments of the present invention.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is the stereogram of diffuser 30.
Fig. 4 is with top, edge and the short side direction partial sectional view by the direction of illumination of the lighting device of the mode cutaway view 1 of appliance body 20 and supply unit 70 and expression light.
Fig. 5 is with top, edge and the short side direction cutaway view by the range of exposures of the lighting device 10 of the mode cutaway view 1 of appliance body 20 and supply unit 70 and expression light.
Fig. 6 is by the lighting device 10 of the mode cutaway view 1 of appliance body 20 and supply unit 70 and the cutaway view observed from short side direction with top, edge and short side direction.
Among the figure:
10-lighting device, 20-appliance body, the flanging section of 21-appliance body 20, the end of 22-appliance body 20, the rising portions of 23-appliance body 20,24-be formed at the recess of rising portions 23,30-diffuser, the support portion of 31-diffuser 30, the illuminating part of 32-diffuser 30, the section that returns of 33-diffuser 30, the press section of 34-diffuser 30,35-be formed at the slot part of support portion 31,36-be formed at the protuberance of the section of returning 33,40-as the reflecting plate of reflecting element, the side surface part of 41-reflecting plate 40, the end pars convoluta of 42-reflecting plate 40,50-LED, the light of 52-32 the direction irradiation from LED50 to illuminating part, 52 '-light 52 sees through the light behind the illuminating part 32, and 53-light from from LED50 to the direction irradiation of returning section 33,53 '-light 53 see through the light that returns after the section 33,53 "-and light 53 ' sees through the light behind the illuminating part 32; the 54-scattered light that led by illuminating part 32, the range of exposures of 56-LED50 (inboard), the range of exposures of 57-LED50 (outside); 60-light source substrate; 70-supply unit, 72-power supply terminal platform, 74-end plate; 80-installing component (screw element; securing member etc.), 90-ceiling.
The specific embodiment
Below, use the description of drawings embodiments of the present invention.
The symbol of putting down in writing among Fig. 1 to Fig. 6 is common symbol in the following description.Symbol 10 is lighting devices, symbol 20 is appliance bodies, symbol 21 is flanging sections of appliance body 20, symbol 22 is ends of appliance body 20, symbol 23 is rising portions of appliance body 20, symbol 24 is the recesses that are formed at rising portions 23, symbol 30 is diffusers, symbol 31 is support portions of diffuser 30, symbol 32 is illuminating parts of diffuser 30, symbol 33 is the sections that return of diffuser 30, symbol 34 is press sections of diffuser 30, symbol 35 is the slot parts that are formed at support portion 31, symbol 36 is the protuberances that are formed at the section of returning 33, symbol 40 is the reflecting plates as reflecting element, symbol 41 is side surface part of reflecting plate 40, symbol 42 is end pars convolutas of reflecting plate 40, symbol 50 is LED, the 52nd, the light of 32 direction irradiation from LED50 to illuminating part, symbol 52 ' is the light after light 52 sees through illuminating part 32, and symbol 53 is the light from LED50 to the direction irradiation of returning section 33, and symbol 53 ' is that light 53 sees through the light that returns after the section 33, symbol 53 " be the light after light 53 ' sees through illuminating part 32; and the scattered light that symbol 54 is led by illuminating part 32, symbol 56 are ranges of exposures (inboard) of LED50, and symbol 57 is ranges of exposures (outside) of LED50; symbol 60 is light source substrates; symbol 70 is supply units, and symbol 72 is power supply terminal platforms, and symbol 74 is end plates; symbol 80 is installing component (screw elements; securing member etc.), and symbol 90 is ceilings.
The ceiling side of lighting device 10 when being installed on ceiling 90 is the top, take floor side as the below.That is, be installed at lighting device 10 in the situation of ceiling 90, from upper direction successively mounted apparatus main body 20, reflecting plate 40 of side down.And the profile of lighting device 10 is rectangular roughly cuboids, thereby there are 6 faces in lighting device 10.Below, the state that is installed on ceiling 90 take lighting device 10 is benchmark, the face of the ceiling side of lighting device 10 is called upper surface, the face of the floor side of lighting device 10 is called lower surface, to be called the long side direction side with the long limit face of ceiling 90 quadratures and rectangular lighting device 10, the minor face face with ceiling 90 quadratures and rectangular lighting device 10 beyond upper surface, lower surface, the long side direction side will be called the short side direction side.And, below, will be parallel with ceiling 90 and be called long side direction with the direction of long side direction parallel sided, will be parallel with ceiling 90 and be called short side direction with the direction of short side direction parallel sided.
The brief configuration of lighting device 10 below is described.The appliance body 20 that is fixed in ceiling 90 forms rectangular and observes from long side direction and is roughly " ひ " shape.Short side direction at appliance body 20 is provided with flanging section 21.The flanging section 21 of both sides is take the short side direction central part of appliance body 20 as benchmark, along with towards the short side direction end and square neck is oblique up from the below.That is, be installed at appliance body 20 in the situation of ceiling face, flanging section 21 tilts with respect to ceiling 90.The light source substrate 60 that LED50 is installed forms tabular.Light source substrate 60 can be one, also can connect a plurality of.Light source substrate 60 is fixed in the flanging section 21 of both sides, fixes towards oblique below with respect to ceiling 90.Diffuser 30 forms roughly partly tubular.That is, diffuser 30 forms concave shape rectangular on long side direction.Diffuser 30 is fixed on two outsides of the short side direction of appliance body 20 in the mode that covers light source substrate 60.Thereby diffuser 30 tilts fixing with respect to ceiling 90.Fixing to supply unit 70 and the power supply terminal platform 72 that connects to the cable of supply unit 70 supply capabilities at appliance body 20, this supply unit 70 is used for making with the LED50 that is installed on light source substrate 60 by the mode of pair of light-transmissive cover 30 clampings luminous.End plate 74 forms tabular, is fixed in the two ends of appliance body 20 long side directions in the mode of the long side direction end that covers diffuser 30.Reflecting plate 40 that can dismounting forms roughly inverted V-shaped.Reflecting plate 40 is about equally rectangular of the length of long side direction and appliance body 20 and has implemented reflection on the surface and processed.And reflecting plate 40 is fixed in appliance body 20 to cover supply unit 70 and power supply terminal platform 72 and the mode between the pair of light-transmissive cover.
Fig. 3 is the stereogram of diffuser 30.Diffuser 30 is to make from the parts as the light transmission of the LED50 of light source to get final product, and can be made of transparent material, also can be made of translucent material.And diffuser 30 can be that diffusivity also can the diffusible parts of right and wrong.If diffusible parts then uniformity are high, if then efficient is high for the parts of non-dispersive.Diffuser 30 by support portion 31, illuminating part 32, return section 33, press section 34 constitutes one.When observing each position from the long side direction of appliance body 20, support portion 31 forms can one the slotted shape of fastening in two ends 22 of appliance body 20, the illuminating part 32 that is connected with support portion 31 forms the shaped form shape that covers light source substrate 60, the section that returns 33 that is connected with illuminating part 32 is the plate shape shapes that are formed with protuberance or recess, and returns the press section 34 that section 33 is connected and forms plate shape shape.
Fig. 4 is with top, edge and the short side direction partial sectional view by the irradiating state of the lighting device 10 of the mode cutaway view 1 of appliance body 20 and supply unit 70 and expression light.From be fixed in the diffuser 30 of appliance body 20 in the mode that covers light source substrate 60 to the light transmission of all directions irradiation as the LED50 of light source.
The light 52 that shines to the direction of illuminating part 32 sees through illuminating part 32 and becomes light 52 '.Light 52 ' becomes the light that mainly shines to the floor direction.
To the light 53 of the direction irradiation of returning section 33 by with return section 33 in abutting connection with side surface part 41 reflections of the reflecting plate 40 of configuration and become reverberation 53 ', and return to illuminating part 32 directions of diffuser 30 inboards.The reverberation 53 ' that returns diffuser 30 inboards becomes through illuminating part 32 to the irradiation light 53 of the lateral direction irradiation of lighting device 10 ", thus the effect of widening of the horizontal light that can be improved.Like this, by oblique placement substrate, can improve the uniformity.By reflecting plate 40 is set, can further improve the uniformity.
And, process by the height reflection of implementing the light reflectivity excellence on the surface of reflecting plate 40, can improve reflection efficiency, the effect of luminous efficiency thereby the reverberation 53 ' that increase is returned to diffuser 30 inside is improved.
Use in the situation of diffusive material at diffuser 30, in the high LED50 of directive property, to the light of illuminating part 32 irradiation of diffuser 30 also because the diffusion component of diffuser 30 and face is luminous becomes the diffused light 54 to the short side direction leaded light, thereby near the ceiling faces irradiation the lighting device 10.As a result, by increasing the brightness of ceiling face, the effect of the brightness of the indoor integral body that can be improved.
For the sequence of construction that lighting device 10 is installed on ceiling, the appliance body 20 that is fixed with diffuser 30 is installed on ceiling, and carries out the electric wirings such as cable at power supply terminal platform 72, the fixation reflex plate 40 afterwards.
In the situation of the state construction of not being fixed in appliance body 20 with diffuser 30, need to install in addition the operation of diffuser 30, thus the construction complicated.
Fig. 5 is with top, edge and the short side direction cutaway view by the irradiating state of the lighting device 10 of the mode cutaway view 1 of appliance body 20 and supply unit 70 and expression light.Distinguish tilted configuration by the light source substrate 60 that LED50 will be installed in lighting device 10 lateral direction, carry out 2 row configured separate, can reduce to the inside direction irradiation of each LED50 and overlapping scope 56, and can increase range of exposures 57 for the lateral direction of lighting device 10, thereby obtain to improve the uniformity, to the effect of wide illumination range.
Fig. 6 is by the lighting device of the mode cutaway view 1 of appliance body 20 and supply unit 70 and the cutaway view observed from short side direction with top, edge and short side direction.At the flanging section 21 hook slot parts 35 of appliance body 20, this slot part 35 forms in the support portion 31 as one side of diffuser 30, returns recess 24 resilient engagement of protuberance 36 with the rising portions 23 of appliance body 20 of section 33.And, also can make the protuberance 36 of the section of returning 33 form concave shape, and make the recess 24 of rising portions 23 form convex form, and carry out resilient engagement.And, also convex form can be formed to cut out and erect shape and carry out resilient engagement.
Reflecting plate 40 under real use state by installing component 80(screw element, securing member etc.) with appliance body 20 directions namely from the below power towards the top fix.The end pars convoluta 42 of reflecting plate 40 is by contacting to produce the effect to appliance body 20 pushing diffusers 30 with the press section 34 of diffuser 30, under real use state, diffuser 30 can be mechanically fastened at appliance body 20, can get rid of falling of diffuser 30 after the construction.Thereby,, can carry out the on-mechanicals such as resilient engagement that reflecting plate 40 is fixed in till the appliance body 20 and fix for appliance body 20 fixing for diffuser 30, thereby be reduced for the number of components of fixing diffuser 30 and assembling operation man-hour.
At LED50 and implemented between the reflecting plate 40 that reflection processes suitable distance to be set, the side surface part 41 of reflecting plate 40 is configured to roughly vertical, thereby the light of reflecting plate 40 irradiations of side direction becomes horizontal reverberation in from LED50 to product, thereby the light under the lighting device 10 is disperseed.
Can provide such as lower lighting device 10, this lighting device 10 possesses the light source portion that 2 row isolation configuration are made of light emitting diode (LED50) in the illuminating part of appliance body 20, and be configured in the supply unit 70 that is used for driving above-mentioned light source portion between the light source portion of above-mentioned 2 row isolation configuration, in this lighting device 10, mode 2 row that possess to cover above-mentioned light source portion are disposed at the diffuser 30 that can see through light of above-mentioned appliance body 20, and possesses the reflecting plate 40 that the conduct that can be installed on removably above-mentioned appliance body 20 covers the reflecting element of above-mentioned supply unit 70, the part adjacency of the lateral surface of said reflection plate 40 and diffuser 30 outer surfaces, the light that 40 directions are shone from above-mentioned light source portion to said reflection plate, the light that sees through above-mentioned diffuser 30 is reflected by said reflection plate 40, return in the above-mentioned diffuser 30, lighting device 10 will utilize with respect to 90 horizontal light of ceiling as feature, thereby can fully guarantee widening with respect to the light of ceiling 90 horizontal (horizontal directions), and the uniformity is high, can be to 90 irradiations of ceiling, thus the brightness that can feel to improve indoor integral body.
Can provide such as lower lighting device 10, utilize the reflection of reflecting plate 40 that the light of lighting device 10 interior side directions is shone to lighting device 10 lateral direction, and will be equipped with as the respectively oblique configuration of lateral direction at lighting device 10 of the LED50 substrate of the LED50 of light source, thereby near under the lighting device 10, reduce the overlapping of light, can fully guarantee thus widening with respect to the light of ceiling 90 horizontal (horizontal directions), and the uniformity is high, can carry out to the irradiation of 90 of ceilings, thus the brightness that can feel to improve indoor integral body.
In addition, represent light source with LED50, but light source also can be organic EL.

Claims (2)

1. a lighting device has: appliance body; Be isolated into the light source portion that is consisted of by light emitting diode that 2 row are disposed at this appliance body; Be configured between the described light source portion that is isolated into 2 row configurations and drive the supply unit of described light source portion; And with the diffuser that the mode that covers respectively the described light source portion that is isolated into 2 row configurations arranges, it is characterized in that,
Possess the reflecting plate that covers described supply unit,
The lateral surface of described reflecting plate is configured to, with respect to described appliance body vertical roughly, and with the part adjacency of the face of described diffuser.
2. lighting device according to claim 1 is characterized in that,
Described light source portion is disposed at respectively described appliance body obliquely in the mode towards the lighting device lateral direction.
CN201310132715.8A 2012-04-18 2013-04-17 Lighting device Expired - Fee Related CN103375716B (en)

Applications Claiming Priority (2)

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JP2012-094332 2012-04-18
JP2012094332A JP5965707B2 (en) 2012-04-18 2012-04-18 Lighting device

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CN103375716B CN103375716B (en) 2016-05-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110873306A (en) * 2018-08-31 2020-03-10 Rab照明设备公司 Apparatus and method for efficiently directing light toward and away from a mounting surface

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JP6668087B2 (en) * 2016-01-27 2020-03-18 ダイダン株式会社 Ambient lighting unit and lighting system
JP6854445B2 (en) * 2017-01-30 2021-04-07 パナソニックIpマネジメント株式会社 lighting equipment

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Publication number Priority date Publication date Assignee Title
CN101451695A (en) * 2007-12-07 2009-06-10 富准精密工业(深圳)有限公司 LED lamp

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JP3806963B2 (en) * 1996-01-25 2006-08-09 松下電工株式会社 lighting equipment
JP4603339B2 (en) * 2004-11-25 2010-12-22 パナソニック電工株式会社 Lighting apparatus and lighting system using the same
JP4740367B2 (en) * 2009-03-23 2011-08-03 株式会社セラタ Shelf structure lighting equipment
JP4948621B2 (en) * 2010-04-14 2012-06-06 シャープ株式会社 Lighting device
JP5508997B2 (en) * 2010-09-02 2014-06-04 三菱電機株式会社 lighting equipment

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Publication number Priority date Publication date Assignee Title
CN101451695A (en) * 2007-12-07 2009-06-10 富准精密工业(深圳)有限公司 LED lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110873306A (en) * 2018-08-31 2020-03-10 Rab照明设备公司 Apparatus and method for efficiently directing light toward and away from a mounting surface
CN110873306B (en) * 2018-08-31 2022-08-19 Rab照明设备公司 Apparatus and method for efficiently directing light toward and away from a mounting surface

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JP2013222636A (en) 2013-10-28
CN103375716B (en) 2016-05-25
JP5965707B2 (en) 2016-08-10

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Address after: Tokyo, Japan

Patentee after: Hitachi Global Living Program Co.,Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Appliances, Inc.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160525