CN104121498A - Radiating lamp - Google Patents
Radiating lamp Download PDFInfo
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- CN104121498A CN104121498A CN201310153138.0A CN201310153138A CN104121498A CN 104121498 A CN104121498 A CN 104121498A CN 201310153138 A CN201310153138 A CN 201310153138A CN 104121498 A CN104121498 A CN 104121498A
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- heat
- heat pipe
- lamp
- conducting substrate
- radiating
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Abstract
The invention provides a radiating lamp which comprises a light source, a circular heat conduction substrate, an annular heat pipe and an upper lamp body shell, wherein the heat conduction substrate is attached to the light source, the annular heat pipe surrounds the heat conduction substrate tightly, and the upper lamp body shell is provided with a plurality of cooling fins and is respectively in surface contact with the heat conduction substrate and the annular heat pipe to exchange heat. The radiating lamp is high in radiating efficiency, high in reliability, low in cost, suitable for LED lamps with high power and high heat value and excellent in radiating effect.
Description
Technical field
The present invention relates to large-power lamp field of radiating, particularly a kind of radiating lamp with outstanding heat dispersion.
Background technology
The radiating ribs on LED lighting surface great majority are one-level in the market, and area of dissipation is little, and the heat that light source produces is delivered to the transmission of leaning on lamp housing in radiating ribs, and heat transfer benefit is lower, cause the dissipation of heat that cannot at short notice light source be produced go out.
In view of this, inventor provides a kind of thermal diffusivity exsertile radiating lamp.
Summary of the invention
For defect of the prior art, the invention provides a kind of radiating lamp, overcome the difficulty of prior art, heat sinking benefit is high, and reliability is high, and cost is low, is applicable to the LED light fixture that high power caloric value is large, and radiating effect is splendid.
According to an aspect of the present invention, provide a kind of radiating lamp, comprising:
One light source;
The heat-conducting substrate of one circle, the described light source of fitting;
One annular heat pipe, closely around described heat-conducting substrate; And
One lamp body upper casing, which is provided with some fin, and described lamp body upper casing contacts with annular heat pipe face with heat-conducting substrate respectively, heat-shift.
Preferably, the top of described lamp body upper casing is provided with a lamp housing inner chamber, and the madial wall of described lamp housing inner chamber contacts with described heat-conducting substrate and/or annular heat pipe face, and the bottom surface of described lamp housing inner chamber contacts with described heat-conducting substrate and/or annular heat pipe face.
Preferably, the edge of described heat-conducting substrate is provided with some thermal troughs, and the ring inner side of described annular heat pipe is provided with some branches heat pipe, and described branch heat pipe respectively correspondence is fastened in described thermal trough, and described branch heat pipe more approaches described light source than described annular heat pipe.
Preferably, described edge is the upper edge of described heat-conducting substrate, and described annular heat pipe, from heat-conducting substrate described in the crimping of top, makes the lateral wall of described annular heat pipe contact with the interior sidewall surface of described lamp housing inner chamber.
Preferably, described thermal trough is wall type thermal trough or semi-transparency type thermal trough.
Preferably, described thermal trough and branch's heat pipe all distribute along the radial direction of described heat-conducting substrate.
Preferably, described fin is three grades of fin of tree-shaped branch type.
Preferably, also comprise a Transparent Parts and a Transparent Parts pressing plate, the edge of annular heat pipe described in described Transparent Parts crimping, is closed in described light source, heat-conducting substrate and annular heat pipe in described lamp housing inner chamber, and described Transparent Parts is fixed on described lamp body upper casing by described Transparent Parts pressing plate.
Preferably, also comprise a circuit board, be fixed on the below of described lamp body upper casing, described circuit board connects described light source, and controls the duty of described light source.
Preferably, also comprise a lamp body lower casing, be connected to the bottom of described lamp body upper casing, hide described circuit board.
And the present invention carries out heat conduction by annular heat pipe, shortened the distance between heat-conducting plate and fin, greatly improved radiating effect.And in the present invention, adopt tree-shaped many pleats fin, larger with the contact area of air, whole radiating effect is more powerful.
Compared with prior art, owing to having used above technology, radiating lamp heat sinking benefit of the present invention is high, and reliability is high, and cost is low, is applicable to the LED light fixture that high power caloric value is large, and radiating effect is splendid.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates according to a specific embodiment of the present invention, the explosive view of radiating lamp of the present invention;
Fig. 2 illustrates according to a specific embodiment of the present invention, the side view of radiating lamp of the present invention;
Fig. 3 illustrates according to a specific embodiment of the present invention, the top view of radiating lamp of the present invention;
Fig. 4 illustrates according to a specific embodiment of the present invention, the side sectional view of radiating lamp of the present invention; And
Fig. 5 illustrates according to a specific embodiment of the present invention, the stereogram of radiating lamp of the present invention.
Reference numeral
1 Transparent Parts
2 light sources
3 heat-conducting substrates
31 thermal troughs
4 lamp body upper casings
41 fin
42 lamp housing inner chambers
5 annular heat pipes
51 branch's heat pipes
6 circuit boards
7 lamp body lower casings
8 Transparent Parts pressing plates
The specific embodiment
It will be appreciated by those skilled in the art that those skilled in the art can realize variation example in conjunction with prior art and above-described embodiment, do not repeat them here.Such variation example does not affect flesh and blood of the present invention, does not repeat them here.
Fig. 1 illustrates according to a specific embodiment of the present invention, the explosive view of radiating lamp of the present invention.As shown in Figure 1, the invention provides a kind of radiating lamp, comprising: Transparent Parts 1, light source 2, heat-conducting substrate 3, lamp body upper casing 4, annular heat pipe 5, circuit board 6, lamp body lower casing 7 and Transparent Parts pressing plate 8.Heat-conducting substrate 3 is circular, laminating light source 2.Annular heat pipe 5, closely around heat-conducting substrate 3, fully contacts with heat-conducting substrate 3.Lamp body upper casing 4 is provided with some fin 41, and lamp body upper casing 4 contacts with annular heat pipe 5 with heat-conducting substrate 3 respectively, heat-shift, and dispel the heat in air by fin 41.Specifically, the heat that light source 2 distributes when work, is directly delivered on heat-conducting substrate 3.Annular heat pipe 5 fits tightly the periphery of heat-conducting substrate 3, fully contact, as much as possible by the heat passing on heat-conducting substrate 3 to external diffusion, be delivered to the fin 41 of lamp body upper casing 4.
The top of lamp body upper casing 4 is provided with a lamp housing inner chamber 42.Transparent Parts 1 cover cap light source 2, and the edge of the edge crimping annular heat pipe 5 of Transparent Parts 1, be closed in light source 2, heat-conducting substrate 3 and annular heat pipe 5 in lamp housing inner chamber 42.The madial wall of lamp housing inner chamber 42 contacts with 5 of annular heat pipes, and the bottom surface of lamp housing inner chamber 42 contacts with heat-conducting substrate 3 and/or 5 of annular heat pipes.Transparent Parts 1 is fixed on lamp body upper casing 4 by Transparent Parts pressing plate 8.Transparent Parts pressing plate 8 is connected or clamping with lamp body upper casing 4 screws.Circuit board 6 is fixed by screws in the below of lamp body upper casing 4.Circuit board 6 connects light source 2, and controls the duty of light source 2.Lamp body lower casing 7 is connected by screw in the bottom of lamp body upper casing 4, hides circuit board 6.
Light source 2 in the present embodiment is LED light sources high-power, high brightness.Heat-conducting substrate 3 is selected the aluminium base of perfect heat-dissipating.Fin 41 is three grades of fin of tree-shaped branch type.Circuit board 6 is printed circuit board (PCB).
The madial wall of lamp housing inner chamber 42 contacts with annular heat pipe 5 outer side surfaces, and the bottom surface of lamp housing inner chamber 42 contacts with heat-conducting substrate 3 and/or 5 of annular heat pipes.Can expect, in actual use, as required, the shape of heat-conducting substrate 3 and annular heat pipe 5 be carried out to some and change, also can realize equal radiating effect.Change the shape of heat-conducting substrate 3 and annular heat pipe 5, or changing contact position between heat-conducting substrate 3, annular heat pipe 5, lamp body upper casing 4 etc. all drops among protection scope of the present invention.
During installation, by annular heat pipe 5 from top crimping heat-conducting substrate 3, guarantee that the lateral wall of annular heat pipe 5 and the abundant face of madial wall of lamp housing inner chamber 42 contact, guarantee that the lower surface of heat-conducting substrate 3 and the lower surface of annular heat pipe 5 all contact with the abundant face in bottom surface of lamp housing inner chamber 42.
In order further to increase the heat exchange area between annular heat pipe 5 and heat-conducting substrate 3, the edge of heat-conducting substrate 3 is provided with some thermal troughs 31.The ring inner side of annular heat pipe 5 is provided with some branches heat pipe 51, and branch's heat pipe 51 respectively correspondence is fastened in thermal trough 31.In order to carry out better heat transmission, branch's heat pipe 51 more approaches light source 2 than annular heat pipe 5, so that the heat in time light source 2 being distributed carries out heat exchange by the working media in heat pipe, will take away near the heat at heat-conducting substrate 3 middle parts.The combination of branch's heat pipe 51 and thermal trough 31 has increased the contact area between heat-conducting substrate 3 and annular heat pipe 5, thereby has greatly strengthened the heat-exchange capacity between heat-conducting substrate 3 and annular heat pipe 5.
For the distance that further shortening heat exchanges, thermal trough 31He branch heat pipe 51 all distributes along the radial direction of heat-conducting substrate 3.So that heat is directly delivered to annular heat pipe 5 along rectilinear direction, shorten the distance that heat transmits, strengthen radiating effect.
Can expect, the position by the thermal trough 31 on exchange heat-conducting substrate 3 and the branch's heat pipe 51 on annular heat pipe 5, guarantees the heat-exchange capacity between heat-conducting substrate 3 and annular heat pipe 5, drops among protection scope of the present invention equally.
Similarly, in order further to increase the contact area between heat-conducting substrate 3 and annular heat pipe 5, thermal trough 31 can also be made to semi-transparency type thermal trough (common thermal trough 31 is saturating wall type thermal trough).The contact area that semi-transparency type thermal trough is compared wall type thermal trough is larger.Can expect; the shape that further changes thermal trough 31Yu branch heat pipe 51 increases the contact area between heat-conducting substrate 3 and annular heat pipe 5; can more improve the heat-exchange capacity between heat-conducting substrate 3 and annular heat pipe 5, drop among protection scope of the present invention equally.
Fig. 2 illustrates according to a specific embodiment of the present invention, the side view of radiating lamp of the present invention.As shown in Figure 2, Transparent Parts 1 is fixed on lamp body upper casing 4 by Transparent Parts pressing plate 8.Fin 41 is arranged on lamp body upper casing 4 tops near the position of Transparent Parts pressing plate 8.Lamp body lower casing 7 is connected to the bottom of lamp body upper casing 4.
Fig. 3 illustrates according to a specific embodiment of the present invention, the top view of radiating lamp of the present invention.As shown in Figure 3, in the present embodiment, fin 41 is one-body molded with lamp body upper casing (shown in Fig. 1 Reference numeral 4), fin 41 homogeneous radiation shapes are arranged in the periphery of lamp housing inner chamber (shown in Fig. 1 Reference numeral 42), and the heat of the light source in Transparent Parts 1 (shown in Fig. 1 Reference numeral 2) is spread in air.Fin in common LED lamp is one-level fin, and little with air contact area, radiating effect is limited.And three grades of fin 41 in the present invention have three sections of heat dissipation region, first paragraph has a fin, second segment has two fin, the 3rd section has four fin, the surface area ratio of fin of adding up like this only has the area of dissipation of one-level fin much larger, and in the unit interval, being dispersed into so airborne heat increases a lot.Thereby improved the heat sinking benefit of whole lamp.Its radiating principle relies on the free convection of fin and air to realize heat exchange.Its radiating effect is much higher than existing LED lamp.Easily expect, adjust the quantity of every one-level fin, or direction and the shape of change fin drop among protection scope of the present invention equally.
Fig. 4 illustrates according to a specific embodiment of the present invention, the side sectional view of radiating lamp of the present invention.Fig. 4 further illustrates the position relationship of each parts in radiating lamp of the present invention.As shown in Figure 4, radiating lamp of the present invention comprises: Transparent Parts 1, light source 2, heat-conducting substrate 3, lamp body upper casing 4, annular heat pipe 5, circuit board 6, lamp body lower casing 7 and Transparent Parts pressing plate 8.Heat-conducting substrate 3 is circular, laminating light source 2.Annular heat pipe 5, closely around heat-conducting substrate 3, fully contacts with heat-conducting substrate 3.Lamp body upper casing 4 is provided with some fin 41, and lamp body upper casing 4 contacts with annular heat pipe 5 with heat-conducting substrate 3 respectively, heat-shift, and dispel the heat in air by fin 41.Specifically, the heat that light source 2 distributes when work, is directly delivered on heat-conducting substrate 3.Annular heat pipe 5 fits tightly the periphery of heat-conducting substrate 3, fully contact, as much as possible by the heat passing on heat-conducting substrate 3 to external diffusion, be delivered to the fin 41 of lamp body upper casing 4.
The top of lamp body upper casing 4 is provided with a lamp housing inner chamber (shown in Fig. 1 Reference numeral 42).Transparent Parts 1 cover cap light source 2, and the edge of the edge crimping annular heat pipe 5 of Transparent Parts 1, be closed in light source 2, heat-conducting substrate 3 and annular heat pipe 5 in lamp housing inner chamber.The madial wall of lamp housing inner chamber contacts with the outer side surface of annular heat pipe 5, and the bottom surface of lamp housing inner chamber contacts with heat-conducting substrate 3 and/or 5 of annular heat pipes.Transparent Parts 1 is fixed on lamp body upper casing 4 by Transparent Parts pressing plate 8.Transparent Parts pressing plate 8 is connected or clamping with lamp body upper casing 4 screws.Circuit board 6 is fixed by screws in the below of lamp body upper casing 4.Circuit board 6 connects light source 2, and controls the duty of light source 2.Lamp body lower casing 7 is connected by screw in the bottom of lamp body upper casing 4, hides circuit board 6.
The lamp housing inner chamber of fin 41 and lamp body upper casing 4 (shown in Fig. 1 Reference numeral 42) is all formed in one, and the heat that heat-conducting substrate 3 and annular heat pipe 5 are delivered on lamp housing inner chamber can be delivered to fin 41 by the very first time.Main heat radiation process of the present invention is: the heat that the LED light source 2 in Transparent Parts 1 produces is first transmitted on aluminium base 3, heat on aluminium base 3 is delivered to annular heat pipe 5 and lamp housing inner chamber, annular heat pipe 5 itself also carries out heat transmission with lamp housing inner chamber, and due to the special heat conductivility of heat pipe itself, greatly strengthened whole heat-transfer effect, due to lamp housing inner chamber and fin 41 one-body molded, heat is passed on three grades of fin 41, can be as early as possible by dissipation of heat in air.Heat in this transmittance process on aluminium base 3 is delivered on three grades of fin 41 completely fast, empty calory transmission loss.Circuit board 6 is fixed by screws in the below of lamp body upper casing 4, and retains certain distance, prevents the long-time temperature distortion of circuit board 6.Lamp body lower casing 7 also forms a heat-dissipating space with lamp body upper casing 4, to reducing lamp intimate heat.
Fig. 5 illustrates according to a specific embodiment of the present invention, the stereogram of radiating lamp of the present invention.As shown in Figure 5, due to unique radiator structure of inside of the present invention, the heat of the light source in Transparent Parts 1 (shown in Fig. 1 Reference numeral 2) can be swiftly delivered on three grades of fin 41 of lamp body upper casing 4, thereby spreads in air and go fast.
In summary, radiating lamp heat sinking benefit of the present invention is high, and reliability is high, and cost is low, is applicable to the LED light fixture that high power caloric value is large, and radiating effect is splendid.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. a radiating lamp, is characterized in that, comprising:
One light source;
The heat-conducting substrate of one circle, the described light source of fitting;
One annular heat pipe, closely around described heat-conducting substrate; And
One lamp body upper casing, which is provided with some fin, and described lamp body upper casing contacts with annular heat pipe face with heat-conducting substrate respectively, heat-shift.
2. radiating lamp as claimed in claim 1, it is characterized in that: the top of described lamp body upper casing is provided with a lamp housing inner chamber, the madial wall of described lamp housing inner chamber contacts with described heat-conducting substrate and/or annular heat pipe face, and the bottom surface of described lamp housing inner chamber contacts with described heat-conducting substrate and/or annular heat pipe face.
3. radiating lamp as claimed in claim 2, it is characterized in that: the edge of described heat-conducting substrate is provided with some thermal troughs, the ring inner side of described annular heat pipe is provided with some branches heat pipe, described branch heat pipe respectively correspondence is fastened in described thermal trough, and described branch heat pipe more approaches described light source than described annular heat pipe.
4. radiating lamp as claimed in claim 3, is characterized in that: described edge is the upper edge of described heat-conducting substrate, and described annular heat pipe, from heat-conducting substrate described in the crimping of top, makes the lateral wall of described annular heat pipe contact with the interior sidewall surface of described lamp housing inner chamber.
5. the radiating lamp as described in claim 3 or 4, is characterized in that: described thermal trough is wall type thermal trough or semi-transparency type thermal trough.
6. radiating lamp as claimed in claim 3, is characterized in that: described thermal trough and branch's heat pipe all distribute along the radial direction of described heat-conducting substrate.
7. radiating lamp as claimed in claim 3, is characterized in that: described fin is three grades of fin of tree-shaped branch type.
8. the radiating lamp as described in any one in claim 2 to 7, it is characterized in that: also comprise a Transparent Parts and a Transparent Parts pressing plate, the edge of annular heat pipe described in described Transparent Parts crimping, described light source, heat-conducting substrate and annular heat pipe are closed in described lamp housing inner chamber, and described Transparent Parts is fixed on described lamp body upper casing by described Transparent Parts pressing plate.
9. radiating lamp as claimed in claim 8, is characterized in that: also comprise a circuit board, be fixed on the below of described lamp body upper casing, described circuit board connects described light source, and controls the duty of described light source.
10. radiating lamp as claimed in claim 9, is characterized in that: also comprise a lamp body lower casing, be connected to the bottom of described lamp body upper casing, hide described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153138.0A CN104121498B (en) | 2013-04-27 | 2013-04-27 | Radiating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153138.0A CN104121498B (en) | 2013-04-27 | 2013-04-27 | Radiating lamp |
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| Publication Number | Publication Date |
|---|---|
| CN104121498A true CN104121498A (en) | 2014-10-29 |
| CN104121498B CN104121498B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310153138.0A Active CN104121498B (en) | 2013-04-27 | 2013-04-27 | Radiating lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103791282A (en) * | 2014-01-25 | 2014-05-14 | 江苏雷立博光电有限公司 | Heat dissipation type led lamp |
| CN105757626A (en) * | 2014-12-18 | 2016-07-13 | 海洋王照明科技股份有限公司 | Anti-explosion lighting system and anti-explosion illumination sensor |
| CN107620873A (en) * | 2017-09-27 | 2018-01-23 | 苏州承源光电科技有限公司 | A kind of heat radiating LED lamp |
| CN111637414A (en) * | 2020-06-30 | 2020-09-08 | 南京迈科拓信息科技有限公司 | Street lamp device capable of quickly reducing temperature of LED light source board body |
| CN111828921A (en) * | 2019-09-17 | 2020-10-27 | 电子科技大学中山学院 | Solar street lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105757626A (en) * | 2014-12-18 | 2016-07-13 | 海洋王照明科技股份有限公司 | Anti-explosion lighting system and anti-explosion illumination sensor |
| CN107620873A (en) * | 2017-09-27 | 2018-01-23 | 苏州承源光电科技有限公司 | A kind of heat radiating LED lamp |
| CN111828921A (en) * | 2019-09-17 | 2020-10-27 | 电子科技大学中山学院 | Solar street lamp |
| CN111637414A (en) * | 2020-06-30 | 2020-09-08 | 南京迈科拓信息科技有限公司 | Street lamp device capable of quickly reducing temperature of LED light source board body |
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| Publication number | Publication date |
|---|---|
| CN104121498B (en) | 2016-08-31 |
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