CN102865558A - Semiconductor illuminating device - Google Patents
Semiconductor illuminating device Download PDFInfo
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- CN102865558A CN102865558A CN2012103233678A CN201210323367A CN102865558A CN 102865558 A CN102865558 A CN 102865558A CN 2012103233678 A CN2012103233678 A CN 2012103233678A CN 201210323367 A CN201210323367 A CN 201210323367A CN 102865558 A CN102865558 A CN 102865558A
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Abstract
The invention relates to a semiconductor illuminating device, which comprises a lamp body and a heat dissipation device, wherein a driving power device is accommodated inside the lamp body, and the lamp body is electrically connected with a light source device; the heat dissipation device is arranged outside the lamp body and bears the light source device; the light source device adopts the design of an annular optic bulb shell; an air guide channel running through the light source device is arranged at the middle part of a top light outgoing area and forms an air channel together with the heat dissipation device to increase heat dissipation efficiency; and the annular bulb shell design can ensure that the whole lamp reaches a wide angle irradiation range being over 300 degrees.
Description
Technical field
The present invention relates to a kind of illuminating light source device, relate in particular to a kind of lighting device that adopts semiconductor light sources.
Background technology
Develop rapidly along with the LED illumination, existing conventional light source product is just progressively substituted by the led light source product, at present traditional LED bulb lamp adopts patent application such as PHILIPS Co. " spherical LED lamp and for the production of the method for spherical LED lamp " (application number 200980136216.8 usually, September 11 2009 applying date) and patent application " comprising the light source that is arranged on the optical transmitting set in the translucent shell " (application number 201080019874.1, April 23 2010 applying date), and the patent application of PANASONIC " bulb-shaped lamp and lighting device " (application number 201110453449.X, April 21 2010 applying date) etc. Patents is described like that, adopt on its structure and at lamp body radiator is set, simultaneously at the lamp body top LED particle is set, and on the lamp body main header casing optics cell-shell, by this when satisfying the heat radiation requirement, by the light of its inner LED ejaculation of optics cell-shell scattering, to form traditional LED bulb lamp.
But above-mentioned this traditional LED bulb lamp is because its general irradiating angle is lower than traditional incandescent lamp, therefore concerning substituting conventional light source, has certain limitation, therefore according to the definition of star (Energy Star) standard of american energy, in order to reach the large illuminating angle degree, the light angle of bulb lamp to reach at least 270 ° by this could be truly the effect that substitutes conventional incandescent fully.
Thereby for addressing the above problem, a LED electric light patent application " electric light " (application number 200980145939.4 according to PHILIPS Co.'s application, November 12 2009 applying date) can learn, in order to reach the wide-angle illumination effect, it adopts and the identical light source subregion of a plurality of size and dimensions is set is centered around one week of lamp body sidewall, and by each light source subregion of cooling device interval of plural number is set, but make by this whole lamp body form the light projection surface of an integral body, strengthen irradiating angle, simultaneously assurance work heat radiation makes whole lamp form in design the photo-thermal balance.
But the structure of above-mentioned this kind scheme is owing to adopt a plurality of light source subregion set bright dippings, therefore the LED light decay in certain sub regions is greater than other subregions, or certain sub regions will produce serious visual impact when damaging, and may cause the light intensity on this subregion direction of illumination to die down, the light source that whole bulb is sent produces unusual, simultaneously owing to adopt subregion set bright dipping, therefore increased amount of parts, make whole lamp assembly process excess enthalpy complicated in manufacturing simultaneously, be unfavorable for enhancing productivity.
Summary of the invention
The invention provides a kind of semiconductor illumination device that adopts annular light source device, can solve the problem of prior art.
A kind of semiconductor illumination device, it comprises a light supply apparatus, a lamp body and a heat abstractor.Described lamp body inside accommodates a drive electric power unit, and is electrically connected with described light supply apparatus.It is outside that described heat abstractor is arranged on described lamp body, and support described light supply apparatus.Described light supply apparatus in the form of a ring, and its exiting surface at least a portion is positioned on the anchor ring.
Preferably, being provided with at least one air-guiding aisle that runs through described light supply apparatus exiting surface in the described light supply apparatus in the ring, also is to be formed with air-guiding aisle in the annular distance at light supply apparatus middle part.Described heat abstractor comprises: plurality of radiating fins, its equi-spaced apart are arranged on described lamp body outer wall, and extend to outside the described lamp body top, define at least one air guide hole that is communicated with the heat abstractor outside and air-guiding aisle with described lamp body top.
Preferably, described light supply apparatus comprises: a cell-shell is housing ringwise, and cell-shell is formed with opening towards light supply apparatus one side, one substrate is contained in the described cell-shell, and described substrate is provided with the plural LED particle of equi-spaced apart, the similar opening that is carrying described substrate and sealing described cell-shell of a heat conductive isolation sheet and described substrate shape.
Preferably, described heat abstractor further comprises: a heat conduction ring, it is positioned at described lamp body top, be connected to the described radiating fin of at least a portion top, carrying described heat conductive isolation sheet, wherein at least one described air guide hole compiles at described heat conduction ring place, and the annular space position forms vented cavity and connects with described air-guiding aisle in described heat conduction ring.
Preferably, described light supply apparatus comprises: a cell-shell is housing ringwise, and the cell-shell inner ring surface reaches and is formed with opening towards light supply apparatus one side, one substrate is contained in the described cell-shell, and described substrate is provided with the plural LED particle of equi-spaced apart, one heat conductive isolation sheet and described substrate shape are similar, carrying the opening of described substrate and the described cell-shell of at least part of sealing bottom surface, its middle part break-through of one envelope body forms described air-guiding aisle, its outside described cell-shell inner ring surface area that adjustment is sealed according to described cell-shell inner ring surface openings of sizes, and with the described cell-shell of the common sealing of described heat conductive isolation sheet.
Preferably, be provided with complex cooling fin in the described air-guiding aisle at described envelope body middle part, and the even interval of this complex cooling fin, and described air-guiding aisle is separated into some narrow air channels, and this each described narrow air channel and the perforation of described vented cavity.
Preferably, described light supply apparatus further comprises: a tore of reflection, and it is and the similar shape of this substrate, and the surface is made by reflectorized material, and described tore of reflection top is provided with the plural perforate that correspondence is exposed each described LED particle.
Preferably, described light supply apparatus further comprises: a reflecting element, and its surface is made by reflectorized material, and itself and the external wall shape of described envelope are similar, are covered on the external wall of described envelope.
Preferably, described cell-shell adopts the far-end phosphor material to make.
Preferably, described envelope body adopts thermal conductive metallic material to make.
Semiconductor illumination device of the present invention has adopted the design of optical ring cell-shell, in its annular cell-shell center endocyclic area light source is not set, do not adopt traditional spherical cell-shell to guarantee that light source covers the ejaculation form in the front portion of lamp body, can make the people produce the conjecture of anterior unglazed ejaculation on the surface, but under the actual working state, guaranteed that not only the anterior illumination of lamp body wants, also make simultaneously whole lamp reach the wide-angle range of exposures more than 300 °, broken through the prejudice that common-sense adopts spherical cell-shell design.
Simultaneously, because the design of optical ring cell-shell is so that light supply apparatus forms a whole bright dipping form, even if internal light source partial failure, remaining light sources is owing to intersect light sources complementary in a light supply apparatus, and in this cell-shell inscattering, so that final light source can also whole evenly bright dipping, only be the light intensity that has evenly reduced in the WBR scope, the situation of light efficiency can not occur significantly reducing at a certain light direction, can not make a certain zone of light supply apparatus the visible dark space of obvious vision occur yet.
Another advantage of semiconductor illumination device provided by the invention and radiator structure thereof is that the optical ring cell-shell that adopts designs, intracardiac ring has formed certain space in its cell-shell, therefore the present invention encircles the characteristics of opening in the lamp body radiator structure takes full advantage of annular cell-shell, in this opening, set up heat abstractor, and further adopted the cross-ventilation structure, by setting out the heat conduction air channel between this opening and the lamp body radiator structure, make whole lamp increase greatly radiating efficiency, make its relatively traditional fin radiating structure further increase air flow amount.
Another advantage of semiconductor illumination device provided by the invention and radiator structure thereof is, adopted the design of light source and drive electric power unit structure isolation, namely between between the Lights section and the drive electric power unit across the heat conduction air channel, having eliminated the Lights section work calories directly affects the possibility of drive electric power unit, also further reduced the work calories of drive electric power unit own by this heat conduction air channel simultaneously, increased the life-span of drive electric power unit, eliminate by this tradition take the defective of drive electric power unit as whole lamp short slab, improved bulk life time and the reliability stability of this lamp.
Description of drawings
Fig. 1 shows the stereogram of first embodiment of the invention;
What Fig. 2 showed first embodiment of the invention partly cuts open figure;
Fig. 3 shows the installation diagram of first embodiment of the invention;
Fig. 4 shows the light distribution map of first embodiment of the invention;
Fig. 5 shows the light distribution map of first embodiment of the invention;
Fig. 6 shows the stereogram of second embodiment of the invention;
What Fig. 7 showed second embodiment of the invention partly cuts open figure;
Fig. 8 shows the installation diagram of second embodiment of the invention;
Fig. 9 shows the stereogram of third embodiment of the invention;
What Figure 10 showed second embodiment of the invention partly cuts open figure;
What Figure 11 showed third embodiment of the invention partly cuts open figure.
The specific embodiment
See also Fig. 1,2,3,4, the 5 a kind of preferred embodiments for semiconductor illumination device of the present invention and radiator structure thereof, wherein this semiconductor illumination device mainly comprises: lamp body 1, light supply apparatus 4, heat abstractor 3 and drive electric power unit 2.Wherein this lamp body 1 is cast and one side closed, and this heat abstractor 3 is connected to this lamp body 1 outside, and at this this light supply apparatus 4 of lamp body 1 sealing one side direction carrying, this lamp body 1 body inside is also holding this drive electric power unit 2 simultaneously simultaneously.
Further specify, this drive electric power unit 2 comprises: drive circuit board 21 its tops are provided with electric elements 22, can be designed to as required isolated or non-isolated driving power.Lamp holder 23 adopts traditional E 27 lamp holders.Be reserved with wiring hole on one side of lamp body 1 sealing, lamp body 1 inside is holding drive electric power unit 2, untight side opening by lamp holder 21 these lamp bodies 1 of sealing, this drive electric power unit 2 is sealed in this lamp body 1 chamber, this lamp holder 21 is electrically connected with this drive circuit board 21 simultaneously, to import the operate outside power supply.
This heat abstractor 3 comprises: plurality of radiating fins 31 is equi-spaced apart and is arranged on this lamp body 1 outer wall, and this each radiating fin 31 extends this lamp body 1 one segment distances on this lamp body 1 sealing one extreme direction, thereby each radiating fin 31 inboards and lamp body 1 top directly form a space.One heat conduction ring 32 is connected to this each radiating fin 31 extended spot tops, provides condition to form heat conduction platform 33 for connecting this light supply apparatus 4.It is worth mentioning that wherein that this plurality of radiating fins 31 is extended defines the air guide hole 34 that plural number is communicated with heat abstractor 3 outsides and above-mentioned space between the each several part of lamp body 1, and each air guide hole 34 compiles at these heat conduction ring 32 places, and forms vented cavity 35 in these heat conduction ring 32 interior annular space positions.
This light supply apparatus 4 comprises substrate 41, is located at LED particle 42, tore of reflection 43, heat conductive isolation sheet 44, cell-shell 45 and envelope body 46 on the substrate 41.Wherein, substrate 41 is annular, and its top is uniform-distribution with plural LED particle 42, and this substrate 41 is electrically connected with these drive circuit board 21 formation by the wiring hole on the lamp body 1.Tore of reflection 43 is and this substrate 41 similar shapes, the surface is made by reflectorized material, and these tore of reflection 43 tops are provided with the plural perforate 431 of corresponding each LED particle 42, cover by this this substrate 41 surfaces, and expose the LED particle 42 of each correspondence position by plural perforate 431, and provide reflective effect for these LED particle 42 bright dippings.
Heat conductive isolation sheet 44 is and the similar slightly large annular of this substrate 41 shapes, it is attached at this substrate 41 bottoms, and be connected with this heat conduction platform 33, to this heat abstractor 3, play simultaneously making this light supply apparatus 4 and this heat abstractor 3 insulation effects with the work calories that transmits this light supply apparatus 4.
Cell-shell 45 ringwise, its outer ring surface projection inner ring surface depression, and made by optical material, such as the diffusion particle material or adopt far-end phosphor (remote phosphor) material to make, comprise the phosphor powder in the one that is merged in epoxy resin, silicone material and the polymeric material.
The envelope body 46 be hollow taper type and both ends open, it is inserted in this cell-shell 45 endocyclic positions, and and these cell-shell 45 inner ring surfaces between define a light-source chamber 47, to hold this substrate 41 that is loaded with LED particle 42.Should be connected with outer shroud at least a portion with these heat conductive isolation sheet 44 interior ring at least a portion respectively towards 45 times rings of an end and this cell-shell limit of light supply apparatus 4 by envelope body 46 simultaneously, to seal this light-source chamber 47, form by this an annular light source form, and its exiting surface at least a portion is positioned on the anchor ring.According to detecting (seeing also Fig. 4,5), the light intensity of this semiconductor illumination device in its 0 ° to 135 ° zones be the average intensity deviation≤20% in the zone therewith, and 135 ° of luminous fluxes to 180 ° of zones should be higher than 5% of total light flux, therefore are enough to reach the lighting requirement that substitutes traditional bulb lamp.
Wherein it is worth mentioning that the air-guide radiating structure of this semiconductor illumination device, it is by vented cavity 35 perforations of envelope body 46 inner air-guiding aisles 48 with this heat abstractor 3 of this light supply apparatus 4, thereby allow air-flow between heat abstractor 3 and light supply apparatus 4, to circulate, this moment introduces by this air guide hole 34 or deaeration forms the air-flow working cycles, can greatly take away the heat on this light supply apparatus 4.
Under duty, this light supply apparatus 4 will continue to produce heat, and pass through its underpart heat conductive isolation sheet 44 and seal body 46 transferring heats to this heat conduction ring 32 and the 31 enterprising line space gas heat radiations of each radiating fin, allow the part air to enter in this vented cavity 35 by this air guide hole 34 this moment again, air-guiding aisle 48 through this envelope body 46 flows out, can take away the thermal current that passes through along the road, and form lasting cross-ventilation circulating effect, greatly improve the radiating efficiency of lighting device.
Simultaneously on the other hand, because the heat conduction ring 32 that relies on this plurality of radiating fins 31 between this light supply apparatus 4 and this bottom lamp body 1 and set off forms the interval, thereby the work calories of greatly avoiding this light supply apparatus 4 is attacked the drive electric power unit 2 in this lamp body 1, formed a kind of hot isolation, make this drive electric power unit 2 can be in stable temperature environment continuous firing, avoid causing because of the temperature invasion and attack of this light supply apparatus the adverse effect of drive electric power unit 2 premature agings, increased the reliability of whole lamp.
See also Fig. 6,7,8 is the another kind of preferred embodiments of semiconductor illumination device of the present invention and radiator structure thereof, wherein the envelope body 46 of this light supply apparatus 4 adopts conductive metal material such as aluminium, iron, copper and alloy thereof are made, these envelope body 46 inner skirt wall are provided with complex cooling fin 36, and these complex cooling fin 36 even intervals, and this air-guiding aisle 48 is separated into some narrow air channels 49, and this each narrow air channel 49 connects with this vented cavity 35, not only increased by this area of dissipation, also as the reinforcement function, further strengthened envelope body 46 anti-external stress intensity simultaneously, avoided because this envelope body 46 causes damage because of outside cell-shell 45 stressed extruding.
Be coated with one deck reflectorized material on these envelope body 46 shell faces simultaneously, reflect from the side by this bright dipping of these light-source chamber 47 interior LED particles 42, increase the bright dipping light efficiency of this light supply apparatus 4, in addition for being implemented in the bright dipping of reflecting from the side this LED particle 42 in this light-source chamber 47, also can be chosen on these envelope body 46 shell faces and be nested with and the similar adaptive reflecting element 461 of its character, as adopt reflective sheeting, reflecting plates etc. have the material of reflection ray characteristic and make, while light source form as required can be made into diffuse reflection or mirror-reflection form on these reflecting element 461 surfaces.
See also Fig. 9, the 10 another kind of preferred embodiments for semiconductor illumination device of the present invention and radiator structure thereof, the cell-shell 45 ' of this light supply apparatus 4 ' housing in the form of a ring wherein, its anchor ring is provided with opening, enters by this and holds this substrate 41 and LED particle 41.Wherein this cell-shell 45 ' comprising: extrados 451 ', it lays respectively at cell-shell 45 ' outer, inner ring surface place intrados 452 ', and this intrados 452 ' coverage rate is less than this extrados 451 ', this envelope body 46 ' is skirt shape both ends open, it is arranged on the side opening place of this cell-shell 45 ' inner ring surface, shirt rim is against this intrados 452 ' on it, be partially enclosed this cell-shell 45 ' shape, namely this envelope body 46 ' highly is lower than this cell-shell 45 ' and exposes this intrados 452 ', to increase the lighting area of this light supply apparatus 4 ', increase light extraction efficiency.
Seeing also Figure 11 is the another kind of preferred embodiments of semiconductor illumination device of the present invention and radiator structure thereof, this light supply apparatus 4 ' wherein ' cell-shell 45 ' ' is housing in the form of a ring, cell-shell 45 ' ' roughly be n shape along the section in axle center, and cover on LED particle 42 outsides on this substrate 41 and this substrate 41, rely on simultaneously this heat conductive isolation sheet 44 these cell-shells 45 ' of sealing ', form by this this light-source chamber 47 ' ', this cell-shell 45 ' this moment ' inner ring surface define this air-guiding aisle 48 ' ' will with vented cavity 35 break-through of this heat abstractor 3, communicate with this ventilating opening 34 by this, realize airflow circulating thereby form air communication channel.
Although the description of this invention carries out in conjunction with above specific embodiment,, those skilled in the art that can carry out many replacements, modifications and variations, be apparent according to above-mentioned content.Therefore, all are such substitute, improve and change all is included in the spirit and scope of attached claim.
Claims (10)
1. semiconductor illumination device, it comprises:
One light supply apparatus;
One lamp body, its inside accommodates a drive electric power unit, and is electrically connected with described light supply apparatus;
One heat abstractor, it is outside that it is arranged on described lamp body, and support described light supply apparatus;
It is characterized in that: described light supply apparatus in the form of a ring, and its exiting surface at least a portion is positioned on the anchor ring.
2. semiconductor illumination device according to claim 1, it is characterized in that: be provided with at least one air-guiding aisle that runs through described light supply apparatus exiting surface in the described light supply apparatus in the ring, described heat abstractor comprises: plurality of radiating fins, its equi-spaced apart is arranged on described lamp body outer wall, and extend to outside the described lamp body top, define at least one air guide hole that is communicated with the heat abstractor outside and air-guiding aisle with described lamp body top.
3. semiconductor illumination device according to claim 2, it is characterized in that: described light supply apparatus comprises: a cell-shell is housing ringwise, and cell-shell is formed with opening towards light supply apparatus one side, one substrate is contained in the described cell-shell, and described substrate is provided with the plural LED particle of equi-spaced apart, the similar opening that is carrying described substrate and sealing described cell-shell of a heat conductive isolation sheet and described substrate shape.
4. semiconductor illumination device according to claim 3, it is characterized in that: described heat abstractor further comprises: a heat conduction ring, it is positioned at described lamp body top, be connected to the described radiating fin of at least a portion top, carrying described heat conductive isolation sheet, wherein at least one described air guide hole compiles at described heat conduction ring place, and the annular space position forms vented cavity and connects with described air-guiding aisle in described heat conduction ring.
5. semiconductor illumination device according to claim 2, it is characterized in that: described light supply apparatus comprises: a cell-shell is housing ringwise, and the cell-shell inner ring surface reaches and is formed with opening towards light supply apparatus one side, one substrate is contained in the described cell-shell, and described substrate is provided with the plural LED particle of equi-spaced apart, one heat conductive isolation sheet and described substrate shape are similar, carrying the opening of described substrate and the described cell-shell of at least part of sealing bottom surface, its middle part break-through of one envelope body forms described air-guiding aisle, its outside described cell-shell inner ring surface area that adjustment is sealed according to described cell-shell inner ring surface openings of sizes, and with the described cell-shell of the common sealing of described heat conductive isolation sheet.
6. semiconductor illumination device according to claim 5, it is characterized in that: be provided with complex cooling fin in the described air-guiding aisle at described envelope body middle part, and the even interval of this complex cooling fin, and described air-guiding aisle is separated into some narrow air channels, and this each described narrow air channel and described vented cavity connect.
7. semiconductor illumination device according to claim 6, it is characterized in that: described light supply apparatus further comprises: a tore of reflection, it is and the similar shape of this substrate, and the surface is made by reflectorized material, and described tore of reflection top is provided with the plural perforate that correspondence is exposed each described LED particle.
8. semiconductor illumination device according to claim 7, it is characterized in that: described light supply apparatus further comprises: a reflecting element, its surface is made by reflectorized material, and itself and the external wall shape of described envelope are similar, are covered on the external wall of described envelope.
9. it is characterized in that according to claim 3 or 5 described semiconductor illumination devices: described cell-shell adopts the far-end phosphor material to make.
10. according to claim 5,6 or 8 described semiconductor illumination devices, it is characterized in that: described envelope body adopts thermal conductive metallic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210323367.8A CN102865558B (en) | 2012-09-05 | 2012-09-05 | Semiconductor illumination device |
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| CN201210323367.8A CN102865558B (en) | 2012-09-05 | 2012-09-05 | Semiconductor illumination device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104776342A (en) * | 2015-05-05 | 2015-07-15 | 上海旗升电气有限公司 | LED lamp with vertical ventilation and heat dissipation structure |
| CN105937715A (en) * | 2016-06-23 | 2016-09-14 | 欧普照明股份有限公司 | Illumination device |
| CN108332110A (en) * | 2018-03-22 | 2018-07-27 | 苏州蛟视智能科技有限公司 | A kind of underwater illuminating device |
| CN112963741A (en) * | 2021-02-05 | 2021-06-15 | 曾祥胜 | Tremble indoor LED lamp of heat dissipation type |
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| CN202709011U (en) * | 2012-09-05 | 2013-01-30 | 重庆雷士实业有限公司 | Semiconductor lighting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104776342A (en) * | 2015-05-05 | 2015-07-15 | 上海旗升电气有限公司 | LED lamp with vertical ventilation and heat dissipation structure |
| CN105937715A (en) * | 2016-06-23 | 2016-09-14 | 欧普照明股份有限公司 | Illumination device |
| CN105937715B (en) * | 2016-06-23 | 2023-06-30 | 欧普照明股份有限公司 | Lighting device |
| CN108332110A (en) * | 2018-03-22 | 2018-07-27 | 苏州蛟视智能科技有限公司 | A kind of underwater illuminating device |
| CN112963741A (en) * | 2021-02-05 | 2021-06-15 | 曾祥胜 | Tremble indoor LED lamp of heat dissipation type |
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| Publication number | Publication date |
|---|---|
| CN102865558B (en) | 2015-09-02 |
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Address after: Chongqing Nan'an District South Road No. 76 (Chongqing international financial center) 22 floor Applicant after: NVC (China) Co., Ltd. Applicant after: Huizhou Leishi Optoelectronic Technology Co., Ltd. Address before: Chongqing Nan'an District South Road No. 76 (Chongqing international financial center) 22 floor Applicant before: Chongqing NVC Industries Co., Ltd. Applicant before: Huizhou Leishi Optoelectronic Technology Co., Ltd. |
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Effective date of registration: 20170123 Address after: Guangdong city of Huizhou province Ru Town East Village Bridge (NVC Industrial Park) Patentee after: NVC Lighting Technology Corporation Address before: Chongqing Nan'an District South Road No. 76 (Chongqing international financial center) 22 floor Patentee before: NVC (China) Co., Ltd. Patentee before: NVC Lighting Technology Corporation |