CN101706091A - Luminaire radiator and LED luminaire with fan - Google Patents
Luminaire radiator and LED luminaire with fan Download PDFInfo
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- CN101706091A CN101706091A CN200910252880A CN200910252880A CN101706091A CN 101706091 A CN101706091 A CN 101706091A CN 200910252880 A CN200910252880 A CN 200910252880A CN 200910252880 A CN200910252880 A CN 200910252880A CN 101706091 A CN101706091 A CN 101706091A
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- led light
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- radiator
- fan
- base plate
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Abstract
The invention discloses a luminaire radiator with good heat radiation effect and an LED luminaire with a fan. The LED luminaire comprises an LED light source component (1), a luminaire radiator (2), a cooling fan (3), a driving circuit board component (4), and an air inlet hood (6), wherein the LED light source component (1) comprises an LED chip (11) and an LED radiating substrate (12); the luminaire radiator (2) comprises a base plate (21); the undersurface of the base plate (21) is used for being attached to a flat surface of the LED radiating substrate and the top surface of the base plate (21) is provided with a heat radiating part (22) and a plurality of convex parts (23) or concave parts, wherein the heat radiating part is used for heat radiation and containing the cooling fan, and the plurality of convex parts (23) or concave parts are used for increasing the heat radiation area; the cooling fan (3) is arranged on the heat radiating part (22); the air inlet hood (6) is connected with the luminaire radiator (2), wraps and covers the cooling fan (3) therein; the upper part of the air inlet hood (6) has a cavity; the driving circuit board component (4) is positioned in the cavity; and the side wall of the cavity is provided with an air inlet hole (61). The invention can be applied to the field of LED lighting.
Description
Technical field
The present invention relates to the LED light fixture of a kind of lamp radiator and band fan.
Background technology
LED has long advantage of luminous efficiency height, power saving and life-span, and it is used more and more widely.LED is applied to normal lighting, in order to reach illumination requirement, generally a plurality of power-type LEDs to be concentrated on the light fixture and use, therefore the heat radiation of LED becomes a key factor that influences LED light fixture user mode and life-span, especially for high-power LED lamp, heat dissipation problem has become a technical bottleneck that influences its extensive use.Existing LED light fixture all belongs to passive heat radiation, promptly fin or the similar device by radiator dispels the heat, in order to improve radiating effect, need increase area of dissipation as far as possible, cause existing LED light fixture overall volume generally bigger thus, radiator structure complexity, and its radiating effect and unsatisfactory.As seen, existing technology has the following disadvantages: complex structure, and volume is bigger, and radiating effect is not good, and service life is short.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of lamp radiator of excellent in heat dissipation effect is provided.
In addition, the present invention also provide a kind of simple in structure, volume is little, the LED light fixture of the band fan of excellent in heat dissipation effect, long service life.
The technical scheme that lamp radiator of the present invention adopted is: lamp radiator of the present invention comprises base plate, the bottom surface of described base plate is to be used to fit the planar portions of LED heat-radiating substrate, the end face of described base plate is provided with and is used to dispel the heat the also radiating part of ccontaining radiator fan, and the end face of described base plate also is provided with several lug boss or depressed parts of being used to increase area of dissipation.
Described radiating part comprises several outer radiating pieces that are positioned at described base plate top periphery zone and several radiating pieces that are positioned at described base plate central upper portion zone.
The central upper portion zone of described radiating part is provided with the space region that is used for ccontaining radiator fan.
Described radiating part in the form of sheets or pin column or closed hoop or fracture ring-type.
Described lug boss or described depressed part are cylindric or coniform or prism-shaped or pyramid-shaped or spherical crown shape or strip.
Described lug boss or described depressed part are continuous array distribution or spaced array distributes.
The technical scheme that the LED light fixture of band fan of the present invention is adopted is: the LED light fixture of band fan of the present invention comprises the led light source assembly, the drive circuit board component, power line, described led light source assembly comprises several led chips, the LED heat-radiating substrate, the LED light fixture of described band fan also comprises lamp radiator, radiator fan, air intake cover, described lamp radiator comprises base plate, the bottom surface of described base plate is to be used to fit the planar portions of LED heat-radiating substrate, the end face of described base plate is provided with and is used to dispel the heat the also radiating part of ccontaining radiator fan, the end face of described base plate also is provided with several lug boss or depressed parts of being used to increase area of dissipation, the bottom surface of described LED heat-radiating substrate and described base plate fits and heat loss through conduction, described radiator fan places on the described radiating part, described air intake cover and described lamp radiator are fixedly connected and with described radiator fan ladle cover portion within it, one cavity is arranged at the top of described air intake cover, described drive circuit board component is positioned at described cavity, and the sidewall of described cavity is provided with several air admission holes.
Described radiating part comprises several outer radiating pieces that are positioned at described base plate top periphery zone and several radiating pieces that are positioned at described base plate central upper portion zone.
The central upper portion zone of described radiating part is provided with the space region that is used for ccontaining radiator fan.
Described radiating part in the form of sheets or pin column or closed hoop or fracture ring-type.
Described lug boss or described depressed part are cylindric or coniform or prism-shaped or pyramid-shaped or spherical crown shape or strip.
Described lug boss or described depressed part are continuous array distribution or spaced array distributes.
The LED light fixture of described band fan also comprises optical lens, and described optical lens is positioned at luminous the place ahead of described led light source assembly, and described optical lens comprises the lens that several are corresponding with described led chip.
The LED light fixture of described band fan also comprises rosette, and described rosette blocks covering with the periphery of described optical lens and described lamp radiator bottom.
The LED light fixture of described band fan also comprises bonnet, waterproof bolt assembly, described bonnet communicates described air admission hole ladle cover and the opening by the bottom by sidewall with the external world, described power line passes described bonnet, described air intake cover respectively and is electrically connected with described drive circuit board component, and the break-through position of described power line and described bonnet, described air intake cover is by described waterproof bolt assembly sealing and fixing mutually.
The invention has the beneficial effects as follows: because the LED light fixture of band fan of the present invention comprises the led light source assembly, the drive circuit board component, power line, described led light source assembly comprises several led chips, the LED heat-radiating substrate, the LED light fixture of described band fan also comprises lamp radiator, radiator fan, air intake cover, described lamp radiator comprises base plate, the bottom surface of described base plate is to be used to fit the planar portions of LED heat-radiating substrate, the end face of described base plate is provided with and is used to dispel the heat the also radiating part of ccontaining radiator fan, the end face of described base plate also is provided with several lug boss or depressed parts of being used to increase area of dissipation, the bottom surface of described LED heat-radiating substrate and described base plate fits and heat loss through conduction, described radiator fan places on the described radiating part, described air intake cover and described lamp radiator are fixedly connected and with described radiator fan ladle cover portion within it, one cavity is arranged at the top of described air intake cover, described drive circuit board component is positioned at described cavity, the sidewall of described cavity is provided with several air admission holes, the sidewall of described cavity is provided with several air admission holes, the bottom surface of the described base plate of the present invention by described lamp radiator is set is the plane, make the easily direct large tracts of land in bottom surface of described LED heat-radiating substrate and described base plate fit and heat loss through conduction, directly the heat that described led chip is produced when luminous is transmitted to the bigger institute's lamp radiator of area by described base plate, reduced heat and distributed the path of conduction, so thermal conductivity and thermal diffusivity are good; By end face lug boss or depressed part are set, have increased area of dissipation greatly, be beneficial to the end face that heat is transmitted to described base plate rapidly, and heat is dispersed in the ambient air rapidly, so thermal conductivity and thermal diffusivity are better by radiator fan at described base plate; Described lamp radiator of the present invention can adopt pressure casting method manufacturing and disposal molding, so manufacture method is simpler, be fit to large-scale production, and cost is lower; When illumination work of the present invention, described radiator fan is together running also, the heat that produces when described led chip is luminous is transmitted on the described radiating part and described lug boss or described depressed part of described lamp radiator by described LED heat-radiating substrate, described lamp radiator dispels the heat as existing radiator " passive type ", a part of heat is dispersed in the ambient air, simultaneously, under the effect of described radiator fan, outside air enters in the described cavity of described air intake cover by described air admission hole, and outside air is blown on the described lamp radiator by described radiator fan, thereby the heat of the described radiating part of described lamp radiator and described lug boss or described depressed part is taken away cooling by flow air, be that another part heat can be blown away by described radiator fan, produced the forced heat radiation effect of " active " heat radiation, described air intake cover can further carry out water conservancy diversion with flow air, air is blown out from the bottom of described lamp radiator, increased the path of flowing, therefore radiating effect is better, can avoid led chip at high temperature to work, effectively increase the service life; Simultaneously because the existence of forced heat radiation, therefore can dwindle the volume of described lamp radiator, so lamp radiator excellent in heat dissipation effect of the present invention, the while LED fitting structure of band fan of the present invention is simple, volume is little, excellent in heat dissipation effect, long service life;
Because the central upper portion zone of radiating part of the present invention is provided with the space region that is used for ccontaining radiator fan, in making that described radiator fan can the described radiator of all or part of embedding, reduced the height of heat abstractor, help reducing the height and the volume of light fixture, so compact conformation of the present invention, volume are little;
Because the LED light fixture of band fan of the present invention also comprises bonnet, the waterproof bolt assembly, described bonnet communicates described air admission hole ladle cover and the opening by the bottom by sidewall with the external world, described power line passes described bonnet respectively, described air intake cover also is electrically connected with described drive circuit board component, described power line and described bonnet, the break-through position of described air intake cover is by described waterproof bolt assembly phase sealing and fixing, sidewall by described bonnet communicates described air admission hole ladle cover and the opening by the bottom with the external world, make do not influence outside air by described air intake cover by the situation in the described cavity of described radiator fan inspiration under, avoid sleet, winged insects etc. enter described cavity by described air admission hole; With described power line and described bonnet, described air intake cover perforation place sealing and fixing mutually, effective waterproof so waterproof of the present invention, vermins-proof effect are good, is adapted at outdoor use by described waterproof bolt assembly.
Description of drawings
Fig. 1 is the perspective view of the lamp radiator of the embodiment of the invention one;
Fig. 2 is the perspective view of another angle of lamp radiator shown in Figure 1;
Fig. 3 is the blast structural representation of LED light fixture of the band fan of the embodiment of the invention one;
Fig. 4 is the section structure schematic diagram of LED light fixture of the band fan of the embodiment of the invention one;
Fig. 5 is the plan structure schematic diagram of the lamp radiator of the embodiment of the invention two;
Fig. 6 be lamp radiator shown in Figure 5 A-A section structure schematic diagram;
Fig. 7 (1a)～(9a) is the difform raised or sunken side structure schematic diagrames of some kinds of lamp radiator of the present invention;
Fig. 7 (1b)～(9b) is the raised or sunken plan structure schematic diagram corresponding to Fig. 7 (1a)～(9a);
Fig. 8 is the floor map that (1a)～(5a) reaches the some kinds of raised or sunken different distributions that (1b)～(5b) are lamp radiator of the present invention.
The specific embodiment
Embodiment one:
As Fig. 1～shown in Figure 4, the LED light fixture of the band fan of present embodiment comprises led light source assembly 1, lamp radiator 2, radiator fan 3, drive circuit board component 4, optical lens 5, rosette 55, air intake cover 6, bonnet 7, power line 8, waterproof bolt assembly 91; Described led light source assembly 1 comprises several led chips 11, LED heat-radiating substrate 12, described optical lens 5 is positioned at luminous the place ahead of described led light source assembly 1, described optical lens 5 comprises the lens 51 that several are corresponding with described led chip 11, described rosette 55 is fixedly connected by screw 94 and described optical lens 5 and described lamp radiator 2, and the periphery of described optical lens 5 and described lamp radiator 2 bottoms blocked covering, make outward appearance succinct; Described lamp radiator comprises base plate 21, the bottom surface of described base plate 21 is to be used to fit the planar portions of described LED heat-radiating substrate 12, the end face of described base plate 21 is provided with and is used to dispel the heat the also radiating part 22 of ccontaining radiator fan, described radiating part 22 is the pin column and distributes with array format, the end face of described base plate 21 also is provided with several lug bosses 23 that is used to increase area of dissipation, described lug boss 23 is positive tetrapyamid shape (similar pyramid shape) and is continuous array distribution, as Fig. 7 (2a), (2b) and shown in Fig. 8 (1a), described LED heat-radiating substrate 12 fits and heat loss through conduction with the bottom surface of described base plate 21, described radiator fan 3 fixedly places on the described radiating part 22, the bottom of described air intake cover 6 is fixedly connected by screw 93 and described lamp radiator 2 and with described radiator fan 3 ladle covers portion within it, to prevent that air from directly flowing out, can only flow out from the side of described lamp radiator 2, increased the path of flowing, heat dispersion is better; One cavity is arranged at the top of described air intake cover 6, the sidewall of described cavity is provided with several air admission holes 61, described drive circuit board component 4 is positioned in the head of bolt earlier by bolt, nut assembly 92, the bar portion of bolt is screwed in the screwed hole that sets in advance on the described radiating part 22 on the described lamp radiator 2 again; Described bonnet 7 communicates described air admission hole 61 ladle covers and the opening by the bottom by sidewall with the external world, make do not influence outside air by described air intake cover 6 by the situation in the described cavity of described radiator fan 3 inspirations under, avoid sleet, winged insect etc. to enter described cavity by described air admission hole 61; Described power line 8 passes described bonnet 7, described air intake cover 6 respectively and is electrically connected with described drive circuit board component 4, the break-through position of described power line 8 and described bonnet 7, described air intake cover 6 is by described waterproof bolt assembly 91 sealing and fixing mutually, effectively waterproof is adapted at outdoor use.
Embodiment two:
As Fig. 5, shown in Figure 6, the distinguishing characteristics of present embodiment and embodiment one is: in the present embodiment, described radiating part 22 comprises several outer radiating pieces 221 that are positioned at described base plate 21 top periphery zones and several radiating pieces 222 that are positioned at described base plate 21 central upper portion zones, the outside of described outer radiating piece 221 has a trap cyclization shape in the form of sheets and in the centre, air is by the circulation of the space between each sheet of described outer radiating piece 221, radiating piece 222 is the pin column in described, described in radiating piece 222 height less than described outer radiating piece 221 height, the difference in height of the two forms a recess space zone, the central upper portion zone that is described radiating part 22 is provided with the space region that is used for ccontaining described radiator fan 3, in making that described radiator fan 3 can the described radiator of all or part of embedding, reduce the height of heat abstractor, helped reducing the height and the volume of light fixture.
All the other features of present embodiment are with embodiment one.
In addition, need to prove that the lug boss 23 of the end face of base plate described in the present invention 21 also can adopt depressed part to replace, and has the effect of same increase surface area, therefore have same heat conduction and radiating effect; Described radiating part 22 can be in the form of sheets or pin column or multiple shapes such as closed hoop or fracture ring-type; Described lug boss 23 or described depressed part can be cylindric or coniform or prism-shaped or pyramid-shaped or multiple shapes such as spherical crown shape or strip, reach as Fig. 7 (1a)～(9a) and (1b)～(9b) have enumerated partial shape; Described lug boss 23 or described depressed part can be multiple distributions such as continuous array distribution or spaced array distribution, are (1a)～(5a) and the assembled state of (1b)～(5b) having enumerated partial shape and distribution as Fig. 8.Below, do not represent restriction to claim of the present invention only for the illustrative explanation.
The bottom surface of the described base plate 21 of the present invention by described lamp radiator 2 is set is the plane, make described LED heat-radiating substrate 12 and the easily direct large tracts of land in the bottom surface of described base plate 21 fit and heat loss through conduction, directly the heat that described led chip 11 is produced when luminous is transmitted to the bigger described lamp radiator 2 of area by described base plate 21, reduced heat and distributed the path of conduction, so thermal conductivity and thermal diffusivity are good; By end face lug boss 23 or depressed part are set at described base plate 21, increased area of dissipation greatly, be beneficial to the end face that heat is transmitted to described base plate 21 rapidly, and heat be dispersed in the ambient air rapidly, so thermal conductivity and thermal diffusivity are better by radiator fan 3; Described lamp radiator 2 can adopt pressure casting method manufacturing and disposal molding, so manufacture method is simpler, be fit to large-scale production, and cost is lower; When illumination work of the present invention, described radiator fan 3 is together running also, the heat that described led chip 11 produces when luminous is transmitted on the described radiating part 22 and described lug boss 23 or described depressed part of described lamp radiator 2 by described LED heat-radiating substrate 12, described lamp radiator 2 dispels the heat as existing radiator " passive type ", a part of heat is dispersed in the ambient air, simultaneously, under the effect of described radiator fan 3, outside air enters in the described cavity of described air intake cover 6 by described air admission hole 61, and outside air is blown on the described lamp radiator 2 by described radiator fan 3, thereby the heat of the described radiating part 22 of described lamp radiator 2 and described lug boss 23 or described depressed part is taken away cooling by flow air, be that another part heat can be blown away by described radiator fan, produced the forced heat radiation effect of " active " heat radiation, described air intake cover 6 can further carry out water conservancy diversion with flow air, air is blown out from the bottom of described lamp radiator 2, increased the path of flowing, therefore radiating effect is better, can avoid led chip 11 at high temperature to work, effectively increase the service life; Simultaneously because the existence of forced heat radiation, therefore can dwindle the volume of described lamp radiator 2, to sum up, lamp radiator excellent in heat dissipation effect of the present invention, the LED fitting structure of band fan of the present invention is simple simultaneously, volume is little, excellent in heat dissipation effect, long service life; Because waterproof, insect protected performance are good, indoorly, outdoor all can use. the present invention has overcome the inadequate natural endowment of passive heat radiation in the prior art, by setting up the radiator fan of active heat radiation, make that the heat radiation collection active heat removal and the passive heat radiation of light fixture are one, having improved the radiating effect of LED light fixture greatly, is the innovation of a uniqueness in the LED field of lamp illumination in fact.
The present invention can be widely used in the LED lighting field.
Claims (10)
1. lamp radiator, it is characterized in that: comprise base plate (21), the bottom surface of described base plate (21) is to be used to fit the planar portions of LED heat-radiating substrate, the end face of described base plate (21) is provided with and is used to dispel the heat the also radiating part (22) of ccontaining radiator fan, and the end face of described base plate (21) also is provided with several lug boss that is used to increase area of dissipation (23) or depressed parts.
2. lamp radiator according to claim 1 is characterized in that: described radiating part (22) comprises several outer radiating pieces (221) that are positioned at described base plate (21) top periphery zone and several radiating pieces (222) that are positioned at described base plate (21) central upper portion zone.
3. lamp radiator according to claim 1 is characterized in that: the central upper portion zone of described radiating part (22) is provided with the space region that is used for ccontaining radiator fan.
4. lamp radiator according to claim 1 is characterized in that: described radiating part (22) in the form of sheets or pin column or closed hoop or fracture ring-type.
5. the LED light fixture of band fan according to claim 1 is characterized in that: described lug boss (23) or described depressed part are cylindric or coniform or prism-shaped or pyramid-shaped or spherical crown shape or strip.
6. according to the LED light fixture of claim 1 or 2 or 3 or 4 or 5 described band fans, it is characterized in that: described lug boss (23) or described depressed part are continuous array distribution or spaced array distributes.
7. LED light fixture with fan, comprise led light source assembly (1), drive circuit board component (4), power line (8), described led light source assembly (1) comprises several led chips (11), LED heat-radiating substrate (12), it is characterized in that: the LED light fixture of described band fan also comprises any described lamp radiator of claim 1 to 5 (2), radiator fan (3), air intake cover (6), described LED heat-radiating substrate (12) fits and heat loss through conduction with the bottom surface of described base plate (21), described radiator fan (3) places on the described radiating part (22), described air intake cover (6) and described lamp radiator (2) are fixedly connected and with described radiator fan (3) ladle cover portion within it, one cavity is arranged at the top of described air intake cover (6), described drive circuit board component (4) is positioned at described cavity, and the sidewall of described cavity is provided with several air admission holes (61).
8. the LED light fixture of band fan according to claim 7, it is characterized in that: the LED light fixture of described band fan also comprises optical lens (5), described optical lens (5) is positioned at luminous the place ahead of described led light source assembly (1), and described optical lens (5) comprises the lens (51) that several are corresponding with described led chip (11).
9. the LED light fixture of band fan according to claim 8 is characterized in that: the LED light fixture of described band fan also comprises rosette (55), and described rosette (55) blocks covering with the periphery of described optical lens (5) and described lamp radiator (2) bottom.
10. according to the LED light fixture of claim 7 or 8 or 9 described band fans, it is characterized in that: the LED light fixture of described band fan also comprises bonnet (7), waterproof bolt assembly (91), described bonnet (7) communicates described air admission hole (61) ladle cover and the opening by the bottom by sidewall with the external world, described power line (8) passes described bonnet (7) respectively, described air intake cover (6) also is electrically connected with described drive circuit board component (4), described power line (8) and described bonnet (7), the break-through position of described air intake cover (6) is by described waterproof bolt assembly (91) phase sealing and fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252880A CN101706091A (en) | 2009-11-29 | 2009-11-29 | Luminaire radiator and LED luminaire with fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252880A CN101706091A (en) | 2009-11-29 | 2009-11-29 | Luminaire radiator and LED luminaire with fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101706091A true CN101706091A (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910252880A Pending CN101706091A (en) | 2009-11-29 | 2009-11-29 | Luminaire radiator and LED luminaire with fan |
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| Country | Link |
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| CN (1) | CN101706091A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155816A1 (en) * | 2011-05-18 | 2012-11-22 | 广州南科集成电子有限公司 | Dustproof and waterproof multipurpose led-light power source assembly and dustproof and waterproof led light |
| CN103453497A (en) * | 2013-08-23 | 2013-12-18 | 西安重装渭南光电科技有限公司 | LED (Light Emitting Diode) lamp heat radiator and LED light source module |
| CN103851594A (en) * | 2012-11-30 | 2014-06-11 | 海洋王（东莞）照明科技有限公司 | Cable lead-in structure and lamp including same |
| CN104633494A (en) * | 2014-12-15 | 2015-05-20 | 东莞市闻誉实业有限公司 | LED lamp with size capable of being reduced |
| CN109140406A (en) * | 2018-09-11 | 2019-01-04 | 重庆红日照明器材有限公司 | A kind of convector radiator for lamps and lanterns |
-
2009
- 2009-11-29 CN CN200910252880A patent/CN101706091A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155816A1 (en) * | 2011-05-18 | 2012-11-22 | 广州南科集成电子有限公司 | Dustproof and waterproof multipurpose led-light power source assembly and dustproof and waterproof led light |
| US9476581B2 (en) | 2011-05-18 | 2016-10-25 | Nanker (Guang Zhou) Semiconductor Manufacturing Corp. | Dustproof and waterproof multipurpose LED-light power source assembly and dustproof and waterproof LED light |
| CN103851594A (en) * | 2012-11-30 | 2014-06-11 | 海洋王（东莞）照明科技有限公司 | Cable lead-in structure and lamp including same |
| CN103453497A (en) * | 2013-08-23 | 2013-12-18 | 西安重装渭南光电科技有限公司 | LED (Light Emitting Diode) lamp heat radiator and LED light source module |
| CN103453497B (en) * | 2013-08-23 | 2016-05-25 | 西安重装渭南光电科技有限公司 | A kind of LED lamp radiator and LED light source module thereof |
| CN104633494A (en) * | 2014-12-15 | 2015-05-20 | 东莞市闻誉实业有限公司 | LED lamp with size capable of being reduced |
| CN104633494B (en) * | 2014-12-15 | 2016-08-17 | 东莞市闻誉实业有限公司 | The LED of volume can be reduced |
| CN109140406A (en) * | 2018-09-11 | 2019-01-04 | 重庆红日照明器材有限公司 | A kind of convector radiator for lamps and lanterns |
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Application publication date: 20100512 |