CN204268137U - LED light device - Google Patents
LED light device Download PDFInfo
- Publication number
- CN204268137U CN204268137U CN201420677903.9U CN201420677903U CN204268137U CN 204268137 U CN204268137 U CN 204268137U CN 201420677903 U CN201420677903 U CN 201420677903U CN 204268137 U CN204268137 U CN 204268137U
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- CN
- China
- Prior art keywords
- led
- guide plate
- luminescence unit
- light guide
- light
- 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.)
- Expired - Fee Related
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Abstract
LED light device (10A) comprises device body (20), be contained in the LED luminescence unit (31) in device body (20), and supported by device body and be provided with the light guide plate (32) of light-incident end (321).LED luminescence unit (31) is arranged to towards light-incident end (321).LED luminescence unit (31) comprises multiple substrate (312) that LED chip (311) are respectively housed.Substrate (312) is arranged by polygonal shape.Device body (20) comprises polygonal side wall (24) and the flange portion (25) of arranging shape corresponding to substrate (312), and flange portion (25) extends so that light guide plate (32) contact flange portion (25) continuously from sidewall (24).LED light device can reduce the size of light guide plate attachment part, and can prevent attachment part from becoming large dimensionally and become heavy in weight.
Description
Technical field
The utility model relates to and is provided with the LED light device of LED luminescence unit as light source.
Background technology
Traditionally, known LED light device is provided with LED luminescence unit as light source (such as, see Japanese Unexamined Patent Application Publication 2012-22849 (Fig. 3)).
As shown in Figure 7, disclosed in Japanese Unexamined Patent Application Publication 2012-22849, lighting device 100 comprises: disc-shaped foot 102, and it is attached to ceiling surface 101 etc.There is disc shaped and the diffuser 103 with light scattering attribute is attached to base 102.Discoidal central cover 104 is detachably attached to the core of diffuser 103.The inner surface of base 102 is formed by reflecting surface 110.
LED luminescence unit (LED module) 105 is located in base 102.Control unit (not shown) for control LED luminescence unit 105 is contained in base 102.Each LED luminescence unit 105 comprises elongated rectangle LED substrate.Eight LED luminescence units are arranged with octagonal global shape.Lens 109 are located in each LED luminescence unit 105.Described lens 109 are collected the light from each LED luminescence unit 105 transmitting and are upwards irradiated the light collected by a predetermined angle.
Circuit board 106 is attached to base 102.The sensor base 108 of it being installed optical sensor (illuminance transducer) 107 is connected to base 102.Optical sensor 107 is exposed downwards by the through hole be formed in central cover 104.
Therefore, the light launched from each LED luminescence unit 105 to be collected by lens 109 and is upwards irradiated.Then, light is reflected downwards by reflecting surface 110 and launches from diffuser 103.
Now, according to the illumination detected by optical sensor 107, control unit (not shown) regulates the brightness of the light launched from LED luminescence unit 105.
The situation that light guide plate is used to irradiate the light launched from LED luminescence unit may be there is.In this case, can expect, just as lighting device disclosed in Japanese Unexamined Patent Application Publication 2012-22849, LED luminescence unit is arranged to polygonal shape, and be formed centrally in light guide plate for the circular open holding LED luminescence unit, be incident on light guide plate so that light can be made.
But if the LED luminescence unit of straight (flat board) shape is arranged in inside circular open, the distance from the longitudinal center of LED substrate to light guide plate light-incident end is different to the distance of light guide plate light-incident end from the longitudinal end from LED substrate.Because the difference of light guide plate fixed range, cause a problem: the attachment part of light guide plate becomes large dimensionally and becomes heavy in weight.
Utility model content
In view of more than, the utility model provides a kind of LED light device, even if be arranged to polygonal shape when LED luminescence unit, it also can prevent the attachment part of light guide plate from becoming large dimensionally.
According to an aspect of the present utility model, provide a kind of LED light device, comprising: device body; Be contained in the LED luminescence unit in device body; Supported by device body and comprise the light guide plate of light-incident end arranged towards LED luminescence unit, wherein LED luminescence unit comprises multiple substrate that LED chip is respectively housed, these primary backings are set to polygonal shape, device body comprises polygonal side wall and the flange portion of arranging shape corresponding to substrate, and flange portion extends a surface contact flange portion of consequently light guide plate continuously from polygonal side wall.
LED luminescence unit can be placed on side-wall outer side.
LED luminescence unit can be placed on inside sidewalls.
This device may further include and is arranged in device body and is placed in contact the hood on another surface of light guide plate, and another surface described is contrary with a described surface of light guide plate.
Hood can comprise the plate part being parallel to light guide plate and the sloping portion extended continuously from plate part, and sloping portion has the top contacted with light guide plate, and LED luminescence unit is covered by hood.
Sloping portion can have reflective outer surface.
According to the utility model, device body comprises to be arranged the polygonal side wall of shape corresponding to substrate and to extend continuously from sidewall so that light guide plate contacts the flange portion of flange portion.Therefore, can be consistent to the distance of the light-incident end of light guide plate from LED luminescence unit.So can provide a kind of LED light device, it can reduce the size of light guide plate attachment part, and can prevent attachment part from becoming large dimensionally and become heavy in weight.
Accompanying drawing explanation
Only by the mode of example instead of the mode by restriction, accompanying drawing depicts the one or more embodiments according to this instruction.In the accompanying drawings, identical Reference numeral represents same or analogous element.
Fig. 1 illustrates the bottom side perspective view being wherein attached to the state of ceiling surface according to the LED light device of the first embodiment of the present utility model.
Fig. 2 is the top side stereogram of the LED light device according to the first embodiment of the present utility model.
Fig. 3 is the sectional view intercepted along the line III-III of Fig. 1.
Fig. 4 is the amplification key diagram of " IV " indication part in Fig. 3.
Fig. 5 is the perspective view of light guide plate.
Fig. 6 is the view corresponding to Fig. 4, shows the LED light device according to the utility model second embodiment.
Fig. 7 is the sectional view of traditional lighting device.
Detailed description of the invention
(the first embodiment)
Now with reference to accompanying drawing, the LED light device according to the utility model first embodiment is described.
As shown in Figure 1, the LED light device 10A according to the first embodiment is such as attached to ceiling surface 11, and can be used for mainly throwing light on the downside of it.
In the following description, when LED light device 10A is attached to ceiling surface 11, that side of ceiling surface 11 is called " on ".That side (that is, floor side) contrary with ceiling surface 11 is called D score.
First, the overall structure of LED light device 10A will be briefly described.
As illustrated in fig. 1 and 2, LED light device 10A comprises the device body 20 being attached to ceiling surface 11.
As shown in figs. 1 and 3, upper light guide plate 32 is placed on the downside of device body 20.On the downside of upper light guide plate 32 supports, the opaque upper cover (hood) 33 of light guide plate 32 to be placed under upper light guide plate 32 and to be attached to device body 20.
Lower light guide plate 42 is placed under upper cover 33.Under the downside of lower light guide plate 42 supports, the opaque lower cover 43 of light guide plate 42 is placed under lower light guide plate 42.
Lower cover 43 has annular shape.The center lens 52 of annular is located at the inner side of lower cover 43, extends with the inner circumferential along lower cover 43.
Central authorities' cover 60 of annular is located at inside center lens 52.Pan-shaped cover 61 is detachably attached to the inner side of central authorities' cover 60.Being formed in central authorities' cover 60 by unthreaded hole 62 of optical sensor.
Present all parts part will be described.
As shown in Figures 2 and 3, device body 20 is such as made up of the metal of such as aluminium etc., and forms the global shape of plate-like.In the center of device body 20, form the opening 21 for being attached adapter 22, attachment adapter 22 is attached to ceiling socket (not shown), and ceiling socket is fixed to ceiling surface 11.
Device body 20 bends with the outer circumference end from central planar portion 23 to downward-extension.Sidewall (sidepiece) 24 is formed in device body 20.The bottom of sidewall 24 is bent outwardly to form horizontal part (flange part) 25.
Sidewall 24 to arrange with by the relation corresponding at the upper LED luminescence unit (LED luminescence unit) 31 described afterwards, and forms the such as hexagonal shape when observing in plan view.Sidewall 24 forms flat shape.Multiple (such as three) flexible member 26 is attached to the upper surface of par 23.
Thus by removing lid 61 and attachment adapter 22 being attached to ceiling socket, attachment adapter 22 is electric and be mechanically connected to ceiling socket, and device body 20 is attached to ceiling surface 11 whereby.Now, flexible member 26 elastic deformation between device body 20 and ceiling surface 11, thus any shake preventing device body 20.
As shown in Figures 3 and 4, upper luminescence unit 30 is located at inside device body 20.Upper luminescence unit 30 is provided with LED luminescence unit 31 and upper light guide plate 32.
Upper LED luminescence unit 31 comprises LED chip 311 and it is equipped with the LED substrate (substrate) 312 of LED chip 311.
LED substrate 312 has elongated rectangular shape.LED substrate 312 is located at inside device body 20 and under par 23.There are six LED substrates 312 thus form the polygonal shape (such as, hexagonal shape) of shape corresponding to sidewall 24.
As shown in Figure 3, in the downside of upper LED luminescence unit 31, upper cover 33 is attached to device body 20.Upper cover 33 comprises: annular horizontal support section (plate part) 331, and it is attached to device body 20 and outside horizontal-extending; With inclined shore part (sloping portion) 332, its outer circumference end from horizontal support portion 331 outwards also upwards extends.
The upper end (top) 333 of inclined shore part 332 is arranged to relative with the horizontal component 25 of device body 20.Upper light guide plate 32 is supported on (see Fig. 4) between the horizontal component 25 of device body 20 and the upper end 333 of upper cover 33.
As shown in Figure 5, upper light guide plate 32 has the global shape of plate-like.Upper light guide plate 32 is included in the hollow space 332 at its center.Hollow space 332 forms hexagonal shape according to the relation corresponding with upper LED luminescence unit 31, and upper LED luminescence unit 31 is supported by device body 20 and places according to hexagonal shape.Rib or typographic(al) mark can be formed on the surface of light guide plate 32, to control Light distribation.
The hollow space side end of upper light guide plate 32 becomes light-incident end 321, and it is towards the LED chip 311 (see Fig. 4) of LED substrate 312.
As shown in figs. 1 and 3, in the downside of upper cover 33, lower cover 43 is supported by device body 20.Lower light guide plate 42 is supported between upper cover 33 and lower cover 43.As shown in Figure 3, lower light guide plate 42 is arranged to stretch out from device body 20.
As shown in Figure 3, between lower light guide plate 42 lower surface that is supported on the horizontal support portion 331 of upper cover 33 and the upper end 431 of lower cover 43.
Lower light guide plate 42 is less than light guide plate 32 dimensionally, and structurally identical with upper light guide plate 32.Therefore, lower light guide plate 42 (bracket see in Fig. 5) will be not described in detail.
Lower luminescence unit 40 is located between upper cover 33 and lower cover 43.Lower luminescence unit 40 comprises lower LED luminescence unit 41 and lower light guide plate 42.
Lower LED luminescence unit 41 comprises LED chip 411 and it is equipped with the LED substrate 412 of LED chip 411.The light-incident end 421 i.e. hollow bulb side end face of lower light guide plate 42 is towards LED chip 411 (bracket see in Fig. 5).
Lower cover 43 is opaque, and comprises: press section 432, the lower light guide plate 42 of its contact; With top plate portion 433, it is connected to press section 432.
Second luminescence unit 50 is to be orthogonal to the direction of the light emission direction (horizontal direction) of upper LED luminescence unit 31 and lower LED luminescence unit 41, and namely along irradiating light in downward direction, the second luminescence unit 50 is located on center lens 52.
Second luminescence unit 50 comprises: the 2nd LED luminescence unit 51; Center lens 52, its contiguous central cover 60 is arranged; And cylindrical portion 53, it is located between the 2nd LED luminescence unit 51 and central cover 60.
In annular LED substrate 512 upper annular, 2nd LED luminescence unit 51 can by arranging that multiple LED chip 511 is formed.LED chip 511 faces down.Center lens 52 is attached to the emitting side (downside) of the 2nd LED luminescence unit 51.
Therefore, from the 2nd LED luminescence unit 51 launch light by center lens 52 distributed controll, and major part just downwards irradiate come illumination.
Thus the light horizontally outward launched from the LED chip 311 of upper LED luminescence unit 31 is incident on light guide plate 32 at the light-incident end 321 of upper light guide plate 32, and is directed into light guide plate 32.After this, light is launched downwards, upwards.
Similarly, the light horizontally outward launched from the LED chip 411 of lower LED luminescence unit 41 is incident on lower light guide plate 42 at the light-incident end 421 of lower light guide plate 42, and is directed into lower light guide plate 42.After this, light is launched downwards, upwards.
In addition, the light launched downwards from the LED chip 511 of the 2nd LED luminescence unit 51 is propagated through center lens 52 and is irradiated downwards.
The effect of LED light device 10A will be described now.
LED light device 10A comprises: device body 20; Be contained in the upper LED luminescence unit 31 in device body 20; And upper light guide plate 32, it is supported by device body 20 and is arranged so that the light emission direction of its light-incident end 321 in the face of upper LED luminescence unit 31.
Upper LED luminescence unit 31 is attached to device body 20, and in upper LED luminescence unit 31, the LED substrate 312 of it being equipped with LED chip 311 is arranged to hexagonal shape.
Device body 20 comprises: the hexagon sidewall 24 arranging shape corresponding to each LED substrate 312; With the horizontal component 25 extended continuously from sidewall 24, so that upper light guide plate 32 exposure level part 25.
Therefore, the distance from upper LED luminescence unit 31 to the light-incident end 321 of upper light guide plate 32 can be consistent.This can reduce the size of upper light guide plate 32 support section, and prevents device body 20 from becoming dimensionally greatly, in weight, become heavy.
In LED light device 10A, LED luminescence unit can be arranged in the inner side of sidewall 24.
LED light device 10A comprises upper cover 33, and it to be located in device body 20 and to be configured to contact the surface do not contacted with the horizontal component 25 of device body 20 of light guide plate 32.This can reliably support light guide plate 32.
In LED light device 10A, upper cover 33 comprises: the horizontal support portion 331 being parallel to light guide plate 32; And from the inclined shore part 332 that horizontal support portion 331 extends continuously, it has the upper end 333 of the upper light guide plate 32 of contact.Upper LED luminescence unit 31 is covered by upper cover 33.This can prevent light from leaking from upper LED luminescence unit 31.
In LED light device 10A, the outer surface of inclined shore part 332 is formed by reflecting surface.
For this reason, to launch and the light be radiated in inclined shore part 332 reflects downwards from upper LED transmitter unit 31 and lower LED luminescence unit 41.This can complete illumination effectively.
(the second embodiment)
Then, the LED light device according to the second embodiment will be described.
The part identical with the part of the LED light device 10A of above-mentioned first embodiment indicates by identical Reference numeral, and its unnecessary description will be omitted.
As shown in Figure 6, in LED light device 10B, upper LED luminescence unit 31 is placed on the outside of sidewall 24.The lower surface of upper light guide plate 32 is supported by horizontal component 25.
The effect of LED light device 10B will be described now.
In LED light device 10B, upper LED luminescence unit 31 is placed on the outside of sidewall 24.The lower surface of upper light guide plate 32 is supported by horizontal component 25.
Even if utilize this structure, the effect identical with the LED light lighting device 10A of above-mentioned first embodiment also can be obtained.
LED light device of the present utility model is not limited to each embodiment aforesaid, but can suitably change or revise.
Such as, in each embodiment aforesaid, show the situation that LED luminescence unit 31 is used as LED luminescence unit.But, lower LED luminescence unit 41 can be used as LED luminescence unit equally.
In each embodiment aforesaid, shown LED substrate 312 or 412 by hexagonal shape arrange and hexagon hollow space 322 or 422 is formed in the situation in upper light guide plate 32 or lower light guide plate 42.
But the utility model is not limited to this.LED substrate 312 or 412 can by placements such as other polygonal shape such as octagon-shaped.Hollow space 322 or 422 can have other polygonal shape, such as octagon-shaped etc.
In each embodiment aforesaid, shown light guide plate 32 and lower light guide plate 42 be located at the outside of LED luminescence unit 31 and lower LED luminescence unit 41 and light to external exposure and situation about being incident on upper light guide plate 32, lower light guide plate 42.
But the utility model is not limited to this.Light guide plate can be placed on inner side (at central side).Light from upper LED luminescence unit 31 and lower LED luminescence unit 41 to internal radiation, and can be able to be incident on light guide plate.
Although be described previously imputed optimal mode and/or other examples, it will be appreciated that, various variant can be made wherein and main body disclosed herein can be implemented by various forms and example, and various variant goes for multiple application, the only part in these variants is open in this article.Following claims are intended to protect and fall into any and all modifications in this instruction true scope and variant.
Claims (6)
1. a LED light device, is characterized in that, described LED light device comprises:
Device body;
Be contained in the LED luminescence unit in device body; And
Light guide plate, it is supported by device body and comprises the light-incident end be arranged to towards LED luminescence unit,
Wherein LED luminescence unit comprises multiple substrate, and each substrate is provided with LED chip, and described multiple primary backing is set to polygonal shape, and
Device body comprises polygonal side wall and the flange portion of arranging shape corresponding to substrate, and described flange portion extends a surface contact flange portion of consequently light guide plate continuously from polygonal side wall.
2. LED light device according to claim 1, is characterized in that, LED luminescence unit is arranged in the outside of polygonal side wall.
3. LED light device according to claim 1, is characterized in that, LED luminescence unit is arranged in the inner side of polygonal side wall.
4. the LED light device according to Claims 2 or 3, is characterized in that, described LED light device comprises further:
Hood, it is attached to device body to contact another surface of light guide plate, and another surface described is contrary with a described surface of light guide plate.
5. LED light device according to claim 4, is characterized in that, hood comprises the plate part being parallel to light guide plate and the sloping portion extending to light guide plate from plate part continuously, and sloping portion has the top contacted with light guide plate, and
Wherein LED luminescence unit is covered by hood.
6. LED light device according to claim 5, is characterized in that, sloping portion has reflective outer surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-234734 | 2013-11-13 | ||
| JP2013234734A JP2015095392A (en) | 2013-11-13 | 2013-11-13 | Led lighting fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204268137U true CN204268137U (en) | 2015-04-15 |
Family
ID=52803001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420677903.9U Expired - Fee Related CN204268137U (en) | 2013-11-13 | 2014-11-13 | LED light device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2015095392A (en) |
| CN (1) | CN204268137U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6722853B2 (en) * | 2015-05-19 | 2020-07-15 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
| JP7378341B2 (en) | 2020-04-14 | 2023-11-13 | 三菱電機株式会社 | lighting equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5374267B2 (en) * | 2009-07-24 | 2013-12-25 | 三協立山株式会社 | LED light source unit, planar illumination device, and signboard |
| JP5559649B2 (en) * | 2010-09-28 | 2014-07-23 | シャープ株式会社 | Lighting device |
| JP2012109055A (en) * | 2010-11-15 | 2012-06-07 | Toshiba Lighting & Technology Corp | Lighting fixture |
-
2013
- 2013-11-13 JP JP2013234734A patent/JP2015095392A/en active Pending
-
2014
- 2014-11-13 CN CN201420677903.9U patent/CN204268137U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015095392A (en) | 2015-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150415 Termination date: 20171113 |