CN204227375U - For fin, the LED illumination lamp of high-power LED illuminating lamp - Google Patents
For fin, the LED illumination lamp of high-power LED illuminating lamp Download PDFInfo
- Publication number
- CN204227375U CN204227375U CN201420653199.3U CN201420653199U CN204227375U CN 204227375 U CN204227375 U CN 204227375U CN 201420653199 U CN201420653199 U CN 201420653199U CN 204227375 U CN204227375 U CN 204227375U
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- China
- Prior art keywords
- heat sink
- fin
- heating column
- thread base
- pulling thread
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Abstract
For fin and the LED illumination lamp of high-power LED illuminating lamp, comprise heat sink, some heating columns, pulling thread base, pulling thread base is arranged in the middle part of described heat sink, and described pulling thread base is provided with a threeway connecting groove; Described heating column is evenly installed on described heat sink, and the diameter of described heating column is less than or equal to 4mm, and makes the heating column on the heat sink of every square centimeter be less than or equal to 2.The utility model provides that a kind of structure is simple, good heat dissipation effect and install the fin for high-power LED illuminating lamp of easy-to-connect, to solve the defect that current LED illumination lamp radiating effect is poor, wiring is inconvenient.
Description
Technical field
The utility model relates to road lighting technical field, particularly a kind of fin for high-power LED illuminating lamp and LED illumination lamp.
Background technology
LED component (light emitting diode) is a kind of photoelectric device, and during its work, the electric energy of some converts luminous energy to, and remaining electric energy converts heat energy to makes the temperature of LED raise.The rising of LED temperature can make its luminous efficiency reduce, the lost of life, when its junction temperature exceedes maximum allowable temperature, can damage because of overheated.Therefore, in the design of high-power LED luminescent device, heat dissipation design is a very important part, and high-power LED luminescent device needs good effective cooling measure usually to ensure that it reliably, safely runs, and extends its service life.
The radiating mode of current high-power LED luminescent device has the modes such as fin heat radiation, heat pipe heat radiation, fan cooling, and they largely solve the heat dissipation problem of LED.But the shortcoming of above-mentioned heat sink conception is also more obvious: the mode of 1. fin heat radiation, fin is closeer, and the air circulation between fin has some setbacks, and NATURAL CONVECTION COEFFICIENT OF HEAT is very low, in addition fin can not well anti-gray be dust-proof, and the time has been grown and can deposit black dirt and affect radiating effect; 2. heat pipe heat radiation in the occasion of thermal source relative distribution with not too suitable, the scene of such as high-power LED luminescent device dispersion heat radiation, the service life of heat pipe is not long in addition, and therefore the mode of heat pipe heat radiation is subject to dispelling the heat the restriction in scene and heat pipe service life; 3. adopt the system architecture of fan cooling complicated, cost is higher, does not meet energy-conservation requirement, and current light fixture is all integral structure, need return factory, the personnel of specialty could safeguard, and weight is all heavier, also there is certain potential safety hazard in typhoon season.
In order to solve above-mentioned technical problem, a kind of portable high power LED heat radiation module lamp is provided at Chinese patent CN201320044578.8, by thermal component design to be increased the surface area of heat radiation in oval ring rod structure, and on oval ring post, open two pairs of vertical slots, reduce cross-ventilated resistance, accelerate cross-ventilation speed.Although, it improves LED radiating efficiency to a certain extent, but, oval ring post is offered two pairs of vertical slots, which reduces cross-ventilation resistance, still can not shed completely by the heat on oval ring post, once the air themperature that LED dispels the heat in module raises, its radiating effect will obviously reduce, and the density that oval ring post is arranged is different, obviously can affect its radiating effect.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide that a kind of structure is simple, good heat dissipation effect and install the fin for high-power LED illuminating lamp of easy-to-connect, to solve the defect that current LED illumination lamp radiating effect is poor, wiring is inconvenient.
For achieving the above object, a kind of fin for high-power LED illuminating lamp of the utility model, comprise heat sink, some heating columns, pulling thread base, it is characterized in that: described pulling thread base is arranged in the middle part of described heat sink, and described pulling thread base is provided with a threeway connecting groove; Described heating column is evenly installed on described heat sink, and the diameter of described heating column is less than or equal to 4mm, and makes the heating column on the heat sink of every square centimeter be less than or equal to 2.
On the basis of such scheme preferably, described heating column diameter is 3mm.
On the basis of such scheme preferably, the side end face that described heat sink is provided with described heating column is also provided with a locating dowel, and described locating dowel is the tubulose of hollow and is provided with an opening on its sidewall.
On the basis of such scheme preferably, described heat sink and described heating column cold forging one-body molded.
On the basis of such scheme preferably, the rectangular shape of described pulling thread base, the bottom surface of described pulling thread base is fixed on described heat sink, and is provided with on this pulling thread base top the through hole that runs through described heat sink bottom surface, and this pulling thread base side end face vertical with described through-bore axis is provided with a circular hole.
The utility model additionally provides a kind of LED illumination lamp, it is characterized in that: it comprises fin as claimed in claim 1, luminous component and compound lens, the end face that described fin deviates from described heating column side is provided with a groove, described luminous component comprises metal substrate and LED high-power lamp pearl, this LED high-power lamp pearl is welded on this metal substrate by surface mount, described metal substrate is closely fastened in the groove of this fin, and described compound lens to be wrapped in outside LED high-power lamp pearl and to be fixed on described heat sink.
The utility model compared with prior art, its beneficial effect is: a kind of fin for high-power LED illuminating lamp of the present utility model, be arranged on several heating columns on heat sink by cold-forge forming, increase its area of dissipation by heating column, thus guarantee its radiating efficiency; Simultaneously, because heating column diameter is less than or equal to 4mm, and make the heating column on the heat sink of every square centimeter be less than or equal to 2, both can guarantee that the heat on heat sink can be passed to the external world through sufficient amount heating column rapidly, simultaneously by ensureing that the density of heating column on heat sink can guarantee that the heat between heating column can be distributed to the external world rapidly, avoid heating column density overstocked cause heat to have little time to be passed to heating column the other end and be retained between heating column, affect radiating effect; And on heat sink, be provided with the pulling thread base of threeway boundary groove, circuit connection effectively can be avoided to be wrapped in heating column, to cause electric wire aging, affect the service life of LED illumination lamp.
Accompanying drawing explanation
Fig. 1 is the front view of the fin for high-power LED illuminating lamp of the present utility model;
Fig. 2 is the top view of the fin for high-power LED illuminating lamp of the present utility model;
Fig. 3 is the stereogram of the fin for high-power LED illuminating lamp of the present utility model;
Fig. 4 is the structural representation of LED illumination lamp of the present utility model.
Detailed description of the invention
By describe in detail the utility model technology contents, structural feature, reached object and effect, hereby exemplify embodiment below and coordinate accompanying drawing to be explained in detail.
Refer to shown in Fig. 1, and shown in composition graphs 2, the utility model provides a kind of fin for high-power LED illuminating lamp, comprise heat sink 11, some heating columns 13, pulling thread base 14, pulling thread base 14 is arranged in the middle part of heat sink 11, and and on this pulling thread base 14, be provided with threeway connecting groove, preferably, the rectangular shape of this pulling thread base 14, and make the bottom surface of pulling thread base 14 be fixed on heat sink 11, and this threeway connecting groove be provided with on this pulling thread base 14 top one run through heat sink 11 bottom surface through hole 16 and and this pulling thread base 14 is provided with a circular hole 17 with the side end face of this through hole 16 axes normal, during use, electric wire is fixed within it by threeway connecting groove by user, avoids it to be wrapped in heating column 13, affect the radiating effect of heating column 13 on the one hand, on the other hand, due to the high heat that heating column 13 conducts, cause electric wire aging, affect its service life, and this heating column 13 is evenly installed on heat sink 11, and make the heating column 13 on the heat sink 11 of every square centimeter be less than or equal to 2, and the diameter of this heating column 13 is less than or equal to 4mm.Namely by controlling the heating column 13 on the heat sink 11 of unit, too concentrate the heat between the heating column 13 caused to have little time to shed to prevent heating column 13 density, affect its radiating effect, meanwhile, heating column 13 quantity that it also avoid in unit are is inadequate, and the heat on caused fin 10 has little time the defect passed, the experiment proved that, when other external condition is identical, when the heating column 13 in unit are equals 2, its radiating efficiency adjustable height 78%-84%.Further, preferably, heating column 13 diameter of the present utility model is 3mm.
In order to further illustrate the technical solution of the utility model, shown in Fig. 1, conveniently install operation, the side end face that heat sink 11 of the present utility model is provided with heating column 13 is also provided with a locating dowel 12, the tubulose of this locating dowel 12 in hollow is also provided with an opening on its sidewall.Preferably, this heat sink 11 is one-body molded with heating column 13 cold forging, effectively can reduce the thermal resistance of LED between PN junction to air, more rationally to arrange the direction of module, position in conjunction with the characteristic of road overdraught, accelerates its radiating effect.
The utility model additionally provides a kind of LED illumination lamp, it comprises fin 10 as described above, luminous component 19 and compound lens 20, this fin 10 comprises heat sink 11, some heating columns 13, pulling thread base 14, the end face deviating from heating column 13 side at fin 10 is provided with a groove 18, luminous component 19 comprises metal substrate and LED high-power lamp pearl, this LED high-power lamp pearl is welded on this metal substrate by surface mount, metal substrate is closely fastened in the groove 18 of this fin 10, and compound lens 20 to be wrapped in outside LED high-power lamp pearl and to be fixed on heat sink 11.
The utility model advantage is: a kind of fin 10 for high-power LED illuminating lamp of the present utility model, is arranged on several heating columns 13 on heat sink 11, increases its area of dissipation, thus guarantee its radiating efficiency by heating column 13 by cold-forge forming; Simultaneously, because heating column 13 diameter is less than or equal to 4mm, and make the heating column 13 on the heat sink 11 of every square centimeter be less than or equal to 2, both can guarantee that the heat on heat sink 11 can be passed to the external world through sufficient amount heating column 13 rapidly, simultaneously by ensureing that the density of heating column 13 on heat sink 11 can guarantee that the heat between heating column 13 can be distributed to the external world rapidly, avoid heating column 13 density overstocked cause heat to have little time to be passed to heating column 13 the other end and be retained between heating column 13, affect radiating effect; And on heat sink 11, be provided with the pulling thread base 14 of threeway boundary groove, circuit connection effectively can be avoided to be wrapped in heating column 13, to cause electric wire aging, affect the service life of LED illumination lamp.
In sum, be only the preferred embodiment of the utility model, do not limit protection domain of the present utility model with this, all equivalence changes done according to the utility model the scope of the claims and description with modify, be all within scope that the utility model patent contains.
Claims (6)
1. for the fin of high-power LED illuminating lamp, comprise heat sink, some heating columns, pulling thread base, it is characterized in that: described pulling thread base is arranged in the middle part of described heat sink, and described pulling thread base is provided with a threeway connecting groove; Described heating column is evenly installed on described heat sink, and the diameter of described heating column is less than or equal to 4mm, and makes the heating column on the heat sink of every square centimeter be less than or equal to 2.
2., as claimed in claim 1 for the fin of high-power LED illuminating lamp, it is characterized in that: described heating column diameter is 3mm.
3. as claimed in claim 1 for the fin of high-power LED illuminating lamp, it is characterized in that: the side end face that described heat sink is provided with described heating column is also provided with a locating dowel, and described locating dowel is the tubulose of hollow and is provided with an opening on its sidewall.
4., as claimed in claim 1 for the fin of high-power LED illuminating lamp, it is characterized in that: described heat sink and described heating column cold forging one-body molded.
5. as claimed in claim 1 for the fin of high-power LED illuminating lamp, it is characterized in that: the rectangular shape of described pulling thread base, the bottom surface of described pulling thread base is fixed on described heat sink, and be provided with on this pulling thread base top the through hole that runs through described heat sink bottom surface, and this pulling thread base side end face vertical with described through-bore axis is provided with a circular hole.
6. a LED illumination lamp, it is characterized in that: it comprises fin as claimed in claim 1, luminous component and compound lens, the end face that described fin deviates from described heating column side is provided with a groove, described luminous component comprises metal substrate and LED high-power lamp pearl, this LED high-power lamp pearl is welded on this metal substrate by surface mount, described metal substrate is closely fastened in the groove of this fin, and described compound lens to be wrapped in outside LED high-power lamp pearl and to be fixed on described heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653199.3U CN204227375U (en) | 2014-11-05 | 2014-11-05 | For fin, the LED illumination lamp of high-power LED illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653199.3U CN204227375U (en) | 2014-11-05 | 2014-11-05 | For fin, the LED illumination lamp of high-power LED illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204227375U true CN204227375U (en) | 2015-03-25 |
Family
ID=52925463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653199.3U Expired - Fee Related CN204227375U (en) | 2014-11-05 | 2014-11-05 | For fin, the LED illumination lamp of high-power LED illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204227375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979894A (en) * | 2017-12-28 | 2019-07-05 | 天津乾宇电子有限公司 | A kind of radiator of high-power patch |
-
2014
- 2014-11-05 CN CN201420653199.3U patent/CN204227375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979894A (en) * | 2017-12-28 | 2019-07-05 | 天津乾宇电子有限公司 | A kind of radiator of high-power patch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20171105 |