CN102374407B - Illuminating device with light-emitting diodes (LEDs) - Google Patents
Illuminating device with light-emitting diodes (LEDs) Download PDFInfo
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- CN102374407B CN102374407B CN201010262780.9A CN201010262780A CN102374407B CN 102374407 B CN102374407 B CN 102374407B CN 201010262780 A CN201010262780 A CN 201010262780A CN 102374407 B CN102374407 B CN 102374407B
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- light emitting
- protecgulum
- emitting diode
- accommodation space
- lighting device
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an illuminating device with light-emitting diodes (LEDs). The illuminating device comprises a rear cover, a front cover and a light emitting module, wherein the rear cover is provided with an accommodating space; the front cover is located inside the accommodating space and is provided with two penetration holes; the light emitting module is clamped between the front cover and the rear cover and comprises a substrate and a plurality of LEDs; two opposite faces of the substrate are respectively and directly laminated with the rear cover and the front cover; and the LEDs are configured at one side of the substrate in an array distribution manner and respectively extend out of the penetration holes in a one-to-one correspondence manner.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of lighting device of tool light emitting diode.
Background technology
In daily life, lighting apparatus is all indispensable important tool all the time, and existing lighting apparatus is mostly all using bulb or fluorescent tube as main light emitting source.In these fluorescent tubes or bulb, comparatively common person has fluorescent tube, incandescent lamp bulb, halogen lamp tube or halogen bulb, consumes energy, therefore in today of stressing carbon reduction, light emitting source is replaced by the made module of light emitting diode gradually in the time of work compared with power consumption.
But light-emitting diode (LED) module also can produce heat energy when luminous, therefore throw light on down for a long time, the heat energy producing will constantly be accumulated, and finally causes light-emitting diode (LED) module to produce problem deteriorated and optical attenuation.
Generally speaking, light-emitting diode (LED) module is installed in shaped LED lampshade (being commonly called as MR16), to be subject to the protection of shaped LED lampshade.But, the heat energy that shaped LED lampshade cannot effectively be got rid of light-emitting diode (LED) module and produced, therefore, its radiating effect is limited, and its heat energy is constantly accumulated on light-emitting diode (LED) module, thereby has produced the problems such as chip is deteriorated thereupon.In addition, the radiating effect of shaped LED lampshade has in limited time, likely, under the not good state of radiating efficiency, has influence on the circuit on substrate, the situation of cause short circuit, burning.
In view of this, how developing a solution, can address the above problem and limit, is the target that this people in the industry wants to reach.
Summary of the invention
An object of the present invention is to disclose a kind of lighting device with light emitting diode, by increasing the area of dissipation of light emitting diode, in order to promote the radiating effect of lighting device.
Another object of the present invention is to disclose a kind of lighting device with light emitting diode, by increasing the convection channel of air, in order to accelerate to promote the efficiency of lighting device heat exchange.
Lighting device of the present invention comprises a bonnet, a protecgulum and a light emitting module.Bonnet has one first accommodation space.Protecgulum is positioned at the first accommodation space, has one second accommodation space and multiple impenetrating mouth.These impenetrating mouths are connected the second accommodation space.Light emitting module is located between bonnet and protecgulum, comprises a substrate and multiple light emitting diode.Substrate has relative first surface and second, and first surface directly pastes bonnet, and second directly pastes protecgulum.Light emitting diode is disposed at second by an array mode, and extends this second accommodation space via those impenetrating mouths one to one respectively.
Lighting device of the present invention is in the variation of an embodiment, and substrate is a printed circuit board (PCB) or a metallic plate.
Lighting device of the present invention is in the variation of another embodiment, and in the variation of this embodiment, lighting device also comprises a power supply connecting portion, and power supply connecting portion is located at the one side of bonnet back to protecgulum.
In one embodiment of the invention, bonnet has multiple the first air-vents, and the first air-vent is connected the first accommodation space and extraneous air.
In another embodiment of the present invention, protecgulum is multiple the second air-vents of tool also, and the second air-vent is connected the second accommodation space and the first accommodation space.
A variation of this embodiment, the second air-vent is distributed in a side wall of this protecgulum.Another of this embodiment changes, protecgulum tool one opening, and the edge of opening has the annular flange flange stretching outwardly, and the second air-vent is distributed in annular flange flange.
In another embodiment of the present invention, protecgulum has a reflecting layer around a side wall inwall of the second accommodation space.
In another embodiment of the present invention, the surface that bonnet pastes first surface has one first insulating barrier, and protecgulum pastes the surface of second and has one second insulating barrier.
In another embodiment of the present invention, the surface of bonnet or protecgulum has a heat dissipating layer.
In sum, the lighting device that the present invention has light emitting diode not only increases the area contacting with light emitting diode, greatly reduces the light emitting diode temperature in when work, and then it is not good because of radiating efficiency to reduce light emitting diode, and causes the probability of damaging; Meanwhile, the lighting device that the present invention has light emitting diode has also improved the Convection states of air, and then promotes the efficiency of heat exchange.
Accompanying drawing explanation
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Figure 1A illustrates lighting device that the present invention has the light emitting diode assembling decomposing schematic representation according to a direction visual angle under an embodiment;
Figure 1B illustrates lighting device that the present invention has the light emitting diode assembling decomposing schematic representation according to other direction visual angle under an embodiment;
Fig. 2 illustrates lighting device that the present invention has the light emitting diode assembly drawing under this embodiment;
Fig. 3 illustrates lighting device that the present invention has the light emitting diode front view under this embodiment;
Fig. 4 illustrates the 4-4 profile of Fig. 3.
[primary clustering symbol description]
100: lighting device 360,370: the second air-vents
200: 380: the second grooves of bonnet
210: the first accommodation spaces 400: light emitting module
220: protrusion 410: light emitting diode
230: installed surface 420: substrate
240: the first grooves 421: first surface
250: the first 422: the second of bolts hole
260: the first air-vents 500: power supply connecting portion
300: protecgulum 510: base
310: impenetrating mouth 520: power-supply unit
320: the second accommodation spaces 521: wire
330: 530: the three grooves in reflecting layer
340: the second bolts hole 540: locking hole
350: annular flange flange 600: bolt
The specific embodiment
The present invention proposes a kind of lighting device with light emitting diode.Lighting device comprises a bonnet, a protecgulum and a light emitting module.The multiple impenetrating mouths of protecgulum tool.Light emitting module is located between bonnet and protecgulum, and the multiple light emitting diodes of light emitting module tool, and these light emitting diodes expose respectively these impenetrating mouths one to one.
So, lean on by the folder of protecgulum and bonnet, make heat energy that light emitting module when work produces just can be simultaneously via the guiding of protecgulum and bonnet, and away from light emitting module.Therefore the present invention increases the area of dissipation of light emitting module, the temperature while greatly reducing light emitting diode work, and then reduce the probability of light emitting diode because of hot stall.
Refer to shown in Figure 1A, Figure 1B and Fig. 2.Figure 1A illustrates lighting device that the present invention has the light emitting diode assembling decomposing schematic representation according to a direction visual angle under an embodiment.Figure 1B illustrates lighting device that the present invention has the light emitting diode assembling decomposing schematic representation according to other direction visual angle under an embodiment.Fig. 2 illustrates lighting device that the present invention has the light emitting diode assembly drawing under this embodiment.
In one embodiment of the invention, lighting device 100 comprises a bonnet 200, a protecgulum 300, a light emitting module 400 and a power supply connecting portion 500.
Bonnet 200 is a bowl cup-shaped, and its side wall can be around a first open accommodation space 210.The bottom of relative the first accommodation space 210 of bonnet 200 has a protrusion 220, and protrusion 220 stretches into the first accommodation space 210, and its one side that is positioned at the first accommodation space 210 has an installed surface 230, and installed surface 230 is in order to place light emitting module 400.In addition, protrusion 220 has one first groove 240 (Figure 1B) back to a side of protecgulum 300, and the first groove 240 can be for placing power supply connecting portion 500.
Refer to shown in Figure 1A, protecgulum 300 is a bowl cup-shaped, is fixedly arranged in the first accommodation space 210.The side wall of protecgulum 300 is around one second accommodation space 320.Protecgulum 300 has a reflecting layer 330 around a side wall inwall of the second accommodation space 320.Reflecting layer 330 can provide preferably luminous efficiency.These impenetrating mouths 310 are opened in the bottom of relative the second accommodation space 320 of protecgulum 300 according to an array mode.The bottom faces of relative the second accommodation space 320 of protecgulum 300 has one second groove 380 (Figure 1B) to the one side of bonnet 200, and the second groove 380 is connected each impenetrating mouth 310.
Power supply connecting portion 500 is located at the one side of bonnet 200 back to protecgulum 300.Power supply connecting portion 500 comprises a base 510 and a power-supply unit 520.Base 510 is fixedly arranged in the first groove 240 of bonnet 200, tool 1 the 3rd groove 530 in it.Power-supply unit 520, for example, be a voltage conversion device, is located in the 3rd groove 530, and is electrically connected light emitting module 400 and the external power source in bonnet 200 through wire 521.But power-supply unit 520 not absolute demand is arranged in the 3rd groove 530.
Light emitting module 400 also comprises a substrate 420 and multiple light emitting diode 410.Substrate 420 has relative first surface 421 and second 422, and 230, the second 422 of the installed surfaces that first surface 421 directly pastes bonnet 200 enter the second groove 380, and directly paste the bottom surface of the second groove 380 of protecgulum 300.Meanwhile, these light emitting diodes 410 are disposed at second 422 by above-mentioned array way correspondence, make these light emitting diodes 410 and expose one to one respectively these impenetrating mouths 310, and stretching in the second accommodation space 320.
It should be noted that, substrate 420 can be for example a printed circuit board (PCB) or a guide metal, wherein, printed circuit board (PCB) refer on the plate body of tool insulation characterisitic, have can transmitting signals circuit, and after light emitting diode 410 is the encapsulation of first footpath row, then weldering is located on printed circuit board (PCB).
Review, guide metal is the multiple metal plates after cutting, and between wantonly two adjacent metal plates, has a gap, and to separate the entity contact between this two adjacent plate body, and light emitting diode 410 is to be directly packaged on the gap of wantonly two adjacent metal plates.By the conductive characteristic of guide metal itself, as the medium conducting electricity between light emitting diode 410 assemblies, making between these light emitting diode 410 assemblies can directly through guide metal, the outer shape after cutting changes, and reaches the electric connection that light emitting diode 410 assemblies produce serial or parallel connection to each other.
So, when lighting device 100 is assembled, because the installed surface 230 of bonnet 200 also has many first bolts hole 250.Protecgulum 300 bottom faces also have many second bolts hole 340 to the one side of bonnet 200.The one side that base 510 is faced bonnet 200 is also provided with corresponding locking hole 540.These first bolts hole 250, the second bolt hole 340 and locking hole 540 are corresponding one by one respectively, therefore, sequentially pass through respectively after the first bolt hole 250, the second bolt hole 340 and locking hole 540 by multiple bolts 600, protecgulum 300 bottoms can be locked on the installed surface 230 of bonnet 200, and then the substrate 420 of light emitting module 400 is against between protecgulum 300 and bonnet 200 by folder, and base 510 can be locked in the first groove 240 of bonnet 200, and then fixed power source feeding unit 520 is in the 3rd groove 530 (Fig. 2).
Refer to shown in Fig. 3 and Fig. 4.Fig. 3 illustrates lighting device that the present invention has the light emitting diode front view under this embodiment.Fig. 4 illustrates the 4-4 profile of Fig. 3.
In one embodiment of the invention, the side wall radian of the side wall of protecgulum 300 and bonnet 200 differs, while making protecgulum 300 be positioned over the first accommodation space 210 of bonnet 200, between the side wall of protecgulum 300 and the side wall of bonnet 200, still there is the gap of the first accommodation space 210.On the side wall of bonnet 200, offer multiple the first air-vents 260, can make the first accommodation space 210 and outside air mutually connect.For example these first air-vents 260 can compartment of terrain around the side wall (Figure 1A or Fig. 2) of bonnet 200.
Protecgulum 300 also multiple the second air-vent 360,370, the second air-vents 360,370 of tool can make the second accommodation space 320, the first accommodation space 210 mutually connect (Fig. 4) with outside air.So, not only by the heat conduction of protecgulum 300 and bonnet 200, the heat energy that these light emitting diodes 410 produce in the time of work also can be circulated to the second accommodation space 320 or outside from the first accommodation space 210, or the cold air of lighting device 100 outsides also can pass to the second accommodation space 320 or the first accommodation space 210 from outer flow, in order to accelerate to promote the efficiency of lighting device 100 heat exchanges.
For example, the second air-vent in a variation, the second air-vent 360 can compartment of terrain around the side wall (Fig. 3) of protecgulum 300, aim at one by one respectively these first air-vents 260, to mutually connect with outside air rapidly; Or the second air-vent is in another changes, the edge of opening of relative the second accommodation space 320 of protecgulum 300 has the annular flange flange 350 stretching outwardly.Annular flange flange 350 connects the edge of opening of bonnet 200, with cover cap the first accommodation space 210.The second air-vent 370 compartment of terrains are distributed in annular flange flange 350, so that the second air-vent 370 and the first air-vent 260 can be connected mutually by the gap between protecgulum 300 and bonnet 200.Moreover as shown in the figure, the present invention also can configure the second air-vent 360,370 of two kinds of variations on protecgulum 300, makes it more preferably promote the efficiency of lighting device 100 heat exchanges simultaneously.
In another embodiment of the present invention, protecgulum 300 can be metal or plastics with the material of bonnet 200.Metal is the metal of high thermal conductivity coefficient, for example, be the alloy of silver, copper, gold, nickel, aluminium, tin, chromium and combination thereof.
But.In the time that protecgulum 300 is metal with the material of bonnet 200, one first insulating barrier can be processed to form through electric insulation in the surface of bonnet 200.One second insulating barrier can be processed to form through electric insulation in the surface of protecgulum 300.In fact, the practice of less expensive, at least bonnet 200 has the first insulating barrier in order to the installed surface 230 that pastes substrate 420 first surfaces 421, and at least protecgulum 300 has one second insulating barrier in order to the second groove 380 surfaces that paste second 422.The first insulating barrier and the second insulating barrier can identical or different products, for example, be the insulating barrier products such as insulated paint, anodization or thermal paste.
In addition, no matter protecgulum 300 is metal or plastics with the material of bonnet 200, and the surface of protecgulum 300 and bonnet 200 can have a heat dissipating layer.Heat dissipating layer can be the coating of the high thermal conduction characteristic of tool such as plating carbon-coating, plating diamond layer.
In sum, the lighting device 100 that the present invention has light emitting diode 410 not only increases the area contacting with light emitting diode 410, temperature when greatly reducing light emitting diode 410 and working, and then it is not good because of radiating efficiency to reduce light emitting diode 410, and causes the probability of damaging; Meanwhile, the lighting device 100 that the present invention has light emitting diode 410 has also improved the Convection states of air, and then promotes the efficiency of heat exchange.
The present invention discloses in each embodiment as above; not in order to limit the present invention, be anyly familiar with this skill person, without departing from the spirit and scope of the present invention; when doing various variations and retouching, the scope that therefore protection scope of the present invention ought define depending on claims is as the criterion.
Claims (10)
1. a lighting device with light emitting diode, is characterized in that, comprises:
One bonnet, tool one first accommodation space;
One protecgulum, be positioned at this first accommodation space, tool one second accommodation space, a groove and multiple impenetrating mouth, this second accommodation space by the side wall of this protecgulum institute around, this groove is positioned at the relatively bottom faces of this second accommodation space one side to this bonnet of this protecgulum, and wherein those impenetrating mouths are connected this second accommodation space and this groove; And
One light emitting module, is located between this bonnet and this protecgulum, and it comprises:
One substrate, has relative first surface and second, and this first surface directly pastes this bonnet, and this second face stretches in this groove and directly pastes this groove floor of this protecgulum; And
Multiple light emitting diodes, are disposed at this second above by an array mode, and extend this second accommodation space via those impenetrating mouths one to one respectively.
2. the lighting device with light emitting diode according to claim 1, is characterized in that, this bonnet has multiple the first air-vents, and those first air-vents are connected this first accommodation space and extraneous air.
3. the lighting device with light emitting diode according to claim 2, is characterized in that, this protecgulum is multiple the second air-vents of tool also, and those second air-vents are connected this second accommodation space and this first accommodation space.
4. the lighting device with light emitting diode according to claim 3, is characterized in that, those second air-vents are distributed in a side wall of this protecgulum.
5. the lighting device with light emitting diode according to claim 3, is characterized in that, this protecgulum tool one opening, and the edge of this opening has the annular flange flange stretching outwardly, and those second air-vents are distributed in this annular flange flange.
6. the lighting device with light emitting diode according to claim 1, is characterized in that, this protecgulum has a reflecting layer around a side wall inwall of this second accommodation space.
7. the lighting device with light emitting diode according to claim 1, is characterized in that, also comprises a power supply connecting portion, and this power supply connecting portion is located at the one side of this bonnet back to this protecgulum.
8. the lighting device with light emitting diode according to claim 1, is characterized in that, the surface that this bonnet pastes this first surface has one first insulating barrier, and this protecgulum pastes this surface of second and has one second insulating barrier.
9. the lighting device with light emitting diode according to claim 1, is characterized in that, the surface of this bonnet or this protecgulum has a heat dissipating layer.
10. the lighting device with light emitting diode according to claim 1, is characterized in that, this substrate is a printed circuit board (PCB) or a metallic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010262780.9A CN102374407B (en) | 2010-08-24 | 2010-08-24 | Illuminating device with light-emitting diodes (LEDs) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010262780.9A CN102374407B (en) | 2010-08-24 | 2010-08-24 | Illuminating device with light-emitting diodes (LEDs) |
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| Publication Number | Publication Date |
|---|---|
| CN102374407A CN102374407A (en) | 2012-03-14 |
| CN102374407B true CN102374407B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010262780.9A Expired - Fee Related CN102374407B (en) | 2010-08-24 | 2010-08-24 | Illuminating device with light-emitting diodes (LEDs) |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423618B (en) * | 2012-05-21 | 2016-03-23 | 海洋王照明科技股份有限公司 | A kind of LED lamp |
| CN105333354A (en) * | 2015-11-05 | 2016-02-17 | 佛山市川东照明科技有限公司 | High-efficiency heat-dissipation resource-saving type LED mining lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775467Y (en) * | 2005-01-10 | 2006-04-26 | 游木金 | Lamp shade structure |
| CN2830894Y (en) * | 2005-07-21 | 2006-10-25 | 联欣光电股份有限公司 | Radiation structure of projection lamp |
| CN101387388B (en) * | 2007-09-11 | 2011-11-30 | 富士迈半导体精密工业（上海）有限公司 | Luminous diode lighting device |
| TWM334274U (en) * | 2007-12-04 | 2008-06-11 | Cooler Master Co Ltd | A lighting device and cover with heat conduction structure |
| CN201190914Y (en) * | 2008-03-05 | 2009-02-04 | 刘华 | Novel table lamp |
| CN101275735A (en) * | 2008-05-12 | 2008-10-01 | 张春涛 | High-power LED lamp structure and manufacturing method thereof |
| CN201259106Y (en) * | 2008-07-07 | 2009-06-17 | 兆立光电有限公司 | LED lamp |
| CN201262345Y (en) * | 2008-09-03 | 2009-06-24 | 东莞勤上光电股份有限公司 | Wall washing lamp |
| CN201377702Y (en) * | 2009-02-19 | 2010-01-06 | 上海三思电子工程有限公司 | Controllable light-distribution LED illuminating lamp |
| CN101504115A (en) * | 2009-03-10 | 2009-08-12 | 埃迪科技（苏州）有限公司 | LED lamp |
| CN201462680U (en) * | 2009-04-24 | 2010-05-12 | 上海大峡谷光电科技有限公司 | Novel LED lamp |
| CN201475782U (en) * | 2009-04-28 | 2010-05-19 | 鸿富锦精密工业（深圳）有限公司 | LED table lamp |
| CN101769455A (en) * | 2009-12-28 | 2010-07-07 | 深圳市成光兴实业发展有限公司 | LED bulb adopting whole-body fluorescence conversion technology |
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| CN102374407A (en) | 2012-03-14 |
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Owner name: CHANGXIN CO., LTD. Free format text: FORMER OWNER: LIANGMING PHOTOELECTRIC TECHNOLOGY CO., LTD. Effective date: 20140611 |
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