CN101846296A - LED lamp of multiple radiating device - Google Patents
LED lamp of multiple radiating device Download PDFInfo
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- CN101846296A CN101846296A CN200910048103A CN200910048103A CN101846296A CN 101846296 A CN101846296 A CN 101846296A CN 200910048103 A CN200910048103 A CN 200910048103A CN 200910048103 A CN200910048103 A CN 200910048103A CN 101846296 A CN101846296 A CN 101846296A
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- light source
- source base
- led light
- radiating
- led
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Abstract
The invention relates to a convection type radiating LED lamp, comprising a light source seat, a light source seat outer cover arranged on the outer surface of the light source seat, a plurality of LED light sources arranged on the light source seat, a radiating base plate arranged at the bottom end of the light source seat, a lamp shell and a heat-conducting pipe, wherein the light source seat is arranged at the upper end of the inner wall of the lamp shell; the heat-conducting pipe is arranged at the bottom end of the light source seat; the radiating base plate is provided with a hole, and the heat-conducting pipe passes through the hole on the radiating base plate to be connected with the bottom end of the light source seat; and an air convection natural radiating cavity is formed in a cavity of the lamp shell. The convection type radiating LED lamp is an LED lamp which integrates the radiating base plate, the heat-conducting pipe, radiating fins, the air convection natural radiating cavity and a multiple radiating device of the radiating lamp shell; and the LED lamp has strong radiating capability and high radiating efficiency and is suitable for large-power LED lamps.
Description
Technical field
The present invention relates to a kind of LED light fixture, particularly relate to a kind of LED light fixture of multiple radiating device.
Background technology
A kind of prior art is that Chinese patent ZL 200720073750.7 discloses " the steam cavity radiating structure of high power LED road lamp ", comprise the led chip array, heat sink substrate, heat sink fin, cooling medium, capillary network, sealing ring is provided with vapor chamber in the described heat sink substrate, be provided with a capillary network in the vapor chamber, be filled with cooling medium in the vapor chamber, heat sink fin compresses by bolt and heat sink substrate and is tightly connected, and the led chip array is mounted on the heat sink substrate.The steam cavity radiating structure more complicated of this light emitting diode road lamp, the cost height.
Another prior art is that Chinese patent ZL 200720144022.0 discloses " heat abstractor of led lamp ", radiating fin and an endothermic catheter by predetermined number are combined, endothermic catheter is the hollow tube that an inside is loaded with liquid and sealing, the heat that the lamp luminescence diode is produced detaches the high temperature of lamp interior under the heat-absorbing action of endothermic catheter internal liquid, and further with temperature conduction to this each radiating fin to reach the purpose of cooling.The heat abstractor heat-sinking capability of this led lamp is limited, the cost height.
Summary of the invention
The LED light fixture that the purpose of this invention is to provide a kind of multiple radiating device, compact conformation, simple, cost is low, and heat-sinking capability is strong.
In order to achieve the above object, technical scheme of the present invention is: a kind of LED light fixture of multiple radiating device, comprise lamp housing, be arranged on envelope inner wall top light source base, be arranged on light source base outer cover on the light source base outer surface, be arranged on a plurality of led light sources on the light source base, the heat-radiating substrate that is arranged on the light source base bottom, heat pipe and a plurality of radiating fin;
The inner chamber of described lamp housing forms a cross-ventilation natural heat dissipation cavity;
Described light source base is arranged on the upper end of cross-ventilation natural heat dissipation cavity;
Described heat pipe is arranged on the bottom of light source base, and this heat pipe is in the cross-ventilation natural heat dissipation cavity;
Described heat-radiating substrate is provided with a hole, and the hole that heat pipe passes on the heat-radiating substrate is connected with the light source base bottom;
Described a plurality of radiating fin is arranged on the outer surface of heat pipe.
The LED light fixture of above-mentioned multiple radiating device, wherein, described lamp housing comprises bottom, sidewall and top sides edge; Described sidewall is arranged on the outward flange of bottom, and described top sides is along the top that is arranged on sidewall; The top sides of described light source base is along being stuck in the lamp housing, and the sidewall of described light source base is close to the inwall of lamp housing, and described light source base outer cover is close to the outer surface of light source base, and formation light source base, light source base outer cover are connected with the tight of lamp housing.
The LED light fixture of above-mentioned multiple radiating device, wherein, described heat pipe is vertically installed in the central authorities of light source base bottom.
The LED light fixture of above-mentioned multiple radiating device, wherein, the outer surface of described lamp housing uniformly-spaced distance is provided with a plurality of big prominent bars; Between adjacent two big prominent bars, uniformly-spaced be provided with to distance a plurality of little prominent bars; Form little groove between the adjacent little prominent bar, form big groove between adjacent big prominent bar and the little prominent bar.
The LED light fixture of above-mentioned multiple radiating device, wherein, described a plurality of radiating fins uniformly-spaced distance are vertically set on the outer surface of heat pipe.
The LED light fixture of above-mentioned multiple radiating device, wherein, the minimum separation distances between adjacent two radiating fins is 0.5mm.
The LED light fixture of above-mentioned multiple radiating device, wherein, described a plurality of radiating fins uniformly-spaced rang ring on the outer surface of heat pipe.
The LED light fixture of above-mentioned multiple radiating device, wherein, the spacing distance between adjacent two radiating fins is 0.5mm.
The LED light fixture of above-mentioned multiple radiating device wherein, also comprises the light source base outer cover, and described light source base outer cover is arranged on the outer surface of light source base;
The positive pole of each led light source and negative pole lay respectively at the both sides of led light source;
Described light source base outer cover is provided with a plurality of led light sources hole, led light source places in the led light source hole, the anodal hole of a plurality of LED, the led light source positive pole places in the anodal hole of LED, a plurality of LED negative poles hole, the led light source negative pole places in the LED negative pole hole, and a plurality of bolt, and described bolt is fastened on the light source base outer cover on the light source base.
The LED light fixture of above-mentioned multiple radiating device, wherein, the cross section of described lamp housing is a bowl type.
The present invention makes it compared with prior art owing to adopt technique scheme, has the following advantages and good effect:
1, the LED light fixture of multiple radiating device of the present invention integrates multiple heat abstractor owing to be provided with heat-radiating substrate, heat pipe, radiating fin, cross-ventilation natural heat dissipation cavity and heat-dissipation lamp housing, and heat-sinking capability is strong, the radiating efficiency height.
2, the LED light fixture of multiple radiating device of the present invention is reasonable owing to various heat abstractor position arrangements, compact conformation, simple, and also cost is low.
Description of drawings
Fig. 1 is the cross sectional representation of the LED light fixture of multiple radiating device of the present invention.
Fig. 2 is that the radiating fin of LED light fixture of multiple radiating device of the present invention is perpendicular to the schematic diagram of heat pipe outer surface.
Fig. 3 is that the radiating fin of LED light fixture of multiple radiating device of the present invention is around the schematic diagram of heat pipe outer surface.
Fig. 4 is the vertical view of the LED light fixture of multiple radiating device of the present invention.
The specific embodiment
Below specify better embodiment of the present invention referring to accompanying drawing:
Referring to Fig. 1, a kind of LED light fixture of multiple radiating device comprises lamp housing 1, light source base 2, light source base outer cover 9, a plurality of led light source 3, heat-radiating substrate 4, heat pipe 5, a plurality of radiating fin 6 and mount pad 7;
The cross section of described lamp housing 1 is a bowl type, forms a cross-ventilation natural heat dissipation cavity 8 at the inner chamber of described lamp housing 1;
Described light source base 2 is arranged on the upper end of cross-ventilation natural heat dissipation cavity 8;
Described light source base outer cover 9 is arranged on the outer surface of light source base 2;
Described lamp housing 1 comprises that bottom 23, sidewall 21 and top sides are along 22; Described sidewall 21 is arranged on the outward flange of bottom 23, and described top sides is along 22 tops that are arranged on sidewall 21;
The top sides of described light source base 2 is stuck in the lamp housing 1 along 22, and the sidewall 21 of described light source base 2 is close to the inwall of lamp housing 1, and described light source base outer cover 9 is close to the outer surface of light source base 2, forms light source base 2, light source base outer cover 9 is connected with the tight of lamp housing 1;
Described led light source 3 is arranged on the light source base 2, and the positive pole 31 of each led light source 3 and negative pole 32 lay respectively at the both sides of led light source 3;
Described heat pipe 5 is arranged on the central authorities of light source base 2 bottoms, and this heat pipe 5 is perpendicular to the bottom of light source base 2 and be in the cross-ventilation natural heat dissipation cavity 8;
Described heat-radiating substrate 4 is arranged on the bottom of light source base 2, and these heat-radiating substrate 4 central authorities are provided with a hole, and the hole that heat pipe 5 passes heat-radiating substrate 4 central authorities is connected with light source base 2 bottoms;
Described radiating fin 6 is arranged on the outer surface of heat pipe 5;
Described mount pad 7 is arranged on the bottom central authorities of lamp housing 1.
Referring to Fig. 2, described heat pipe 5 is the funnel-shaped heat pipe of top, the equal opening in bottom;
Described a plurality of radiating fin 6 uniformly-spaced distance is vertically set on the outer surface of heat pipe 5, and a plurality of radiating fins 6 are radial along the outer surface of heat pipe 5;
Minimum separation distances between adjacent two radiating fins 6 is 0.5mm.
Referring to Fig. 3, described a plurality of radiating fins 6 uniformly-spaced rang ring on the outer surface of heat pipe 5;
Spacing distance between adjacent two radiating fins 6 is 0.5mm.
Referring to Fig. 4, described light source base outer cover 9 is provided with a plurality of led light sources hole 92, led light source 3 places in the led light source hole 92, the anodal hole 93 of a plurality of LED, led light source 3 positive poles place in the anodal hole 93 of LED, a plurality of LED negative poles hole 94, and led light source 3 negative poles place in the LED negative pole hole 94, and a plurality of bolts 91, described bolt 91 is fastened on light source base outer cover 9 on the light source base 2.
The outer surface of described lamp housing 1 uniformly-spaced distance is provided with a plurality of big prominent bars 11, uniformly-spaced is provided with to distance a plurality of little prominent bars 12 between adjacent two big prominent bars 11.
Form little groove 13 between the adjacent little prominent bar 12, form big groove 14 between adjacent big prominent bar 11 and the little prominent bar 12.
Described big prominent bar 11 and little prominent bar 12 have increased the area of lamp housing 1 outer surface, have promptly increased the contact area of lamp housing 1 with extraneous air.
The heat that the LED light fixture led light source of multiple radiating device of the present invention produces can be by heat-radiating substrate 4, heat pipe 5 and radiating fin 6 fully shed, heat-radiating substrate 4 contacts with the bottom of light source base 2, take away the heat that led light source produces from the bottom, and perpendicular to the heat pipe 5 of light source base 2 bottoms, elongated the degree of depth that heat contacts with air, the a plurality of radiating fins 6 that are arranged on heat pipe 5 outer surfaces have increased area of dissipation, by heat-radiating substrate 4, the heat that heat pipe 5 and radiating fin 6 shed convection current in the cross-ventilation natural heat dissipation cavity 8 that lamp housing 1 inner chamber forms, having accelerated heat outwards disperses, the heat of outwards dispersing passes in the extraneous air by lamp housing 1, and the big prominent bar 11 and the little prominent bar 12 that are arranged on lamp housing 1 outer surface have increased the contact area of lamp housing 1 with extraneous air, have improved the heat-sinking capability of lamp housing 1.Therefore the LED light fixture of multiple radiating device of the present invention is that a kind of collecting and distributing hot substrate, heat pipe, radiating fin, cross-ventilation natural heat dissipation cavity and heat-dissipation lamp housing are in the LED of one light fixture, this LED light fixture heat-sinking capability is strong, the radiating efficiency height, be fit to high-power LED lamp, and the LED fitting structure compactness of multiple radiating device of the present invention, simple, cost is low.
Claims (10)
1. the LED light fixture of a multiple radiating device, comprise lamp housing (1), be arranged on lamp housing (1) upper inside wall light source base (2), be arranged on the light source base outer cover (9) on light source base (2) outer surface and be arranged on a plurality of led light sources (3) on the light source base (2), it is characterized in that, also comprise heat-radiating substrate (4), heat pipe (5) and a plurality of radiating fin (6);
The inner chamber of described lamp housing (1) forms a cross-ventilation natural heat dissipation cavity (8);
Described light source base (2) is arranged on the upper end of cross-ventilation natural heat dissipation cavity (8);
Described heat pipe (5) is arranged on the bottom of light source base (2), and this heat pipe (5) is in the cross-ventilation natural heat dissipation cavity (8);
Described heat-radiating substrate (4) is arranged on the bottom of light source base (2), and this heat-radiating substrate (4) is provided with a hole, and the hole that heat pipe (5) passes on the heat-radiating substrate (4) is connected with light source base (2) bottom;
Described a plurality of radiating fin (6) is arranged on the outer surface of heat pipe (5).
2. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, described lamp housing (1) comprises that bottom (23), sidewall (21) and top sides are along (22); Described sidewall (21) is arranged on the outward flange of bottom (23), and described top sides is arranged on the top of sidewall (21) along (22); The top sides of described light source base (2) is stuck in the lamp housing (1) along (22), the sidewall (21) of described light source base (2) is close to the inwall of lamp housing (1), described light source base outer cover (9) is close to the outer surface of light source base (2), forms tight connection of light source base (2), light source base outer cover (9) and lamp housing (1).
3. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, described heat pipe (5) is vertically installed in the central authorities of light source base (2) bottom.
4. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, the outer surface of described lamp housing (1) uniformly-spaced distance is provided with a plurality of big prominent bars (11); Between adjacent two big prominent bars (11), uniformly-spaced be provided with to distance a plurality of little prominent bars (12); Form little groove (13) between the adjacent little prominent bar (12), form big groove (14) between adjacent big prominent bar (11) and the little prominent bar (12).
5. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, described a plurality of radiating fins (6) uniformly-spaced distance are vertically set on the outer surface of heat pipe (5).
6. the LED light fixture of multiple radiating device as claimed in claim 5 is characterized in that, the minimum separation distances between adjacent two radiating fins (6) is 0.5mm.
7. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, described a plurality of radiating fins (6) uniformly-spaced rang ring on the outer surface of heat pipe (5).
8. the LED light fixture of multiple radiating device as claimed in claim 7 is characterized in that, the spacing distance between adjacent two radiating fins (6) is 0.5mm.
9. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, also comprises light source base outer cover (9), and described light source base outer cover (9) is arranged on the outer surface of light source base (2);
Positive pole (31) of each led light source (3) and negative pole (32) lay respectively at the both sides of led light source (3);
Described light source base outer cover (9) is provided with a plurality of led light sources hole (92), led light source (3) places in the led light source hole (92), the anodal hole (93) of a plurality of LED, led light source (3) positive pole places in the anodal hole of LED (93), a plurality of LED negative poles holes (94), led light source (3) negative pole places in the LED negative pole hole (94), and a plurality of bolt (91), and described bolt (91) is fastened on light source base outer cover (9) on the light source base (2).
10. the LED light fixture of multiple radiating device as claimed in claim 1 is characterized in that, the cross section of described lamp housing (1) is a bowl type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910048103A CN101846296A (en) | 2009-03-24 | 2009-03-24 | LED lamp of multiple radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910048103A CN101846296A (en) | 2009-03-24 | 2009-03-24 | LED lamp of multiple radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101846296A true CN101846296A (en) | 2010-09-29 |
Family
ID=42771013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910048103A Pending CN101846296A (en) | 2009-03-24 | 2009-03-24 | LED lamp of multiple radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101846296A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185093A (en) * | 2011-04-08 | 2011-09-14 | 陕西科技大学 | Active cool type radiating substrate using air convection |
| CN103317046A (en) * | 2012-03-19 | 2013-09-25 | 陈镒明 | Ram-type radiating piece and manufacturing method thereof |
| CN109340612A (en) * | 2018-09-04 | 2019-02-15 | 东莞市闻誉实业有限公司 | Illuminator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971133A (en) * | 2006-11-29 | 2007-05-30 | 郑日春 | Lamp |
| CN101387392A (en) * | 2007-09-11 | 2009-03-18 | 陈世明 | Convection heat radiating device of led lamp |
-
2009
- 2009-03-24 CN CN200910048103A patent/CN101846296A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971133A (en) * | 2006-11-29 | 2007-05-30 | 郑日春 | Lamp |
| CN101387392A (en) * | 2007-09-11 | 2009-03-18 | 陈世明 | Convection heat radiating device of led lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185093A (en) * | 2011-04-08 | 2011-09-14 | 陕西科技大学 | Active cool type radiating substrate using air convection |
| CN103317046A (en) * | 2012-03-19 | 2013-09-25 | 陈镒明 | Ram-type radiating piece and manufacturing method thereof |
| CN109340612A (en) * | 2018-09-04 | 2019-02-15 | 东莞市闻誉实业有限公司 | Illuminator |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20100929 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |