CN202065779U - Light-emitting diode (LED) radiating and lighting device - Google Patents
Light-emitting diode (LED) radiating and lighting device Download PDFInfo
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- CN202065779U CN202065779U CN2011200539019U CN201120053901U CN202065779U CN 202065779 U CN202065779 U CN 202065779U CN 2011200539019 U CN2011200539019 U CN 2011200539019U CN 201120053901 U CN201120053901 U CN 201120053901U CN 202065779 U CN202065779 U CN 202065779U
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Abstract
The utility model discloses a light-emitting diode (LED) radiating and lighting device, which comprises an LED light source, a substrate and a radiator, wherein the LED light source is provided with a plurality of independently-packaged high power LEDs and is arranged on the front end surface of the substrate; the substrate is made of high heat-conductive materials; the radiator is arranged on the back end surface of the substrate; the heat conductivity of the substrate is larger than 3W/mk; and the radiator is a sunflower radiator. Compared with the existing structure, the LED radiating and lighting device has the advantages that since a manner of using the sunflower radiator to naturally radiate heat is adopted, the problem of noise is thoroughly solved; since the independently-packaged high power LEDs are adopted by the LED light source and red light LEDs are added, the LED at the center of the light source is over-driven, and the LEDs on the periphery of the light source are low-driven, so the light efficiency of the LEDs is greatly improved; and since the high heat-conductive substrate with the heat conductivity larger than 3W/mk is adopted, the heat conduction efficiency of the LEDs is improved.
Description
Technical field
The utility model is about a kind of lighting device, and it is widely used in floodlight, courtyard lamp, Projecting Lamp, studio lamp, focusing lamp etc.; Be meant the heat radiation lighting device of a kind of LED especially.
Background technology
The lamp source that traditional studio lamp of past, floodlight, Projecting Lamp etc. are adopted is mainly Halogen lamp LED, Metal halogen lamp etc., these light sources all can produce radiation such as ultraviolet ray, infrared ray, far infrared, cause is performed in a radio or TV programme the face that lamp faces toward the announcer for a long time, floodlight, Projecting Lamp etc. also are long-term facing to on-the-spot crowd simultaneously, and a large amount of heat radiations that produced by light source may cause the generation of cutaneum carcinoma like this.
Led light source is widely used as the energy-conserving light source of green non-pollution, the led light source that is adopted in the market, as: Chinese utility model patent ZL 200820233726.X, name is called " varifocal LED video display stage projector ", this patent disclosure use single high integrated LED, but its shortcoming is: the efficient of heat conduction and heat radiation is low, optical attenuation after using 1000 hours can reach 50%, and single integrated LED lighting angle is 150 °, peak power can only be driven into 100W, and light efficiency only has 60 lm/W; Its radiating mode mainly is to realize by fan and heat pipe, but uses fan can produce the resonance phenomenon of noise in studio or scene, has a strong impact on the on-the-spot voice effect; If use the mode of heat pipe heat radiation, heat pipe generally is installed in the inside of whole lamp on the one hand, if the maintenance and the replacing of breaking down, and difficulty that will be very; Because of the variation of environment temperature, the situation of expanding with heat and contract with cold can make the heat pipe explosion easily, and is both dangerous on the other hand, produces big cost because of loss again.
The utility model content
The problem that the utility model need solve is that high brightness can be provided, and illumination is thrown light on uniformly, again under the prerequisite without any noise problem, improves lighting device heat conduction and the radiating efficiency heat radiation lighting device with the LED that prolongs product service life.
For achieving the above object, solution of the present utility model is:
The heat radiation lighting device of a kind of LED comprises led light source, a substrate and a radiator, and wherein: described led light source is many high-capacity LEDs of encapsulation separately, and is arranged on the substrate front end face; This substrate is that highly heat-conductive material is made, and the rear end face of substrate is provided with radiator, and its thermal conductivity is greater than 3W/mk; And described radiator is the heronsbill radiator.
The optical axis in described led light source the place ahead is provided with a convex lens sheet, and this convex lens sheet is to be fixed on the substrate by lens supports ring and lens pressure ring.
The optical axis in described led light source the place ahead is provided with the sliding sleeve that can move forward and backward with respect to led light source, and this sliding sleeve is located on the neck bush, moves along light source center, and neck bush is provided in a side of on the optical axis in led light source the place ahead equally, and can move forward and backward with respect to led light source; The front end of this sliding sleeve is installed an eyeglass, and this eyeglass is a Fresnel lenses, and its inboard atomizing is located on the optical axis in light source the place ahead, can move forward and backward with respect to led light source, reaches the function of focusing.
The front end of described Fresnel lenses is provided with the protective device of Fresnel lenses.
Described protective device is the cooperation of protection network and rubber ring.
Described Fresnel lenses is 1m at 5m position focal beam spot, defocuses hot spot greater than 3m.
The front and back end of described heronsbill radiator respectively is provided with a drive end bearing bracket and rear end cap, be useful on the position, hole of secure liner cover on the drive end bearing bracket, rear end cap is provided with the position, hole and is used for fixing a back handle, and the rear and front end covers all installing hole, is used to assemble support bar and power supply placing plate; On the neck bush outer wall, be provided with fitting recess in order to the assembling slide rail.
Described high thermal conductive substrate is the substrate of electric heating separation.
The substrate of described electric heating separation is that aluminium base, copper base, ceramic substrate, pottery ooze copper base, ceramic aluminising substrate or pottery and ooze iron substrate.
In the middle of many independent encapsulated LED of described led light source, part adopts red-light LED; The LED at described led light source center adopts and overdrives, and peripheral LED adopts low the driving.
Described heronsbill radiator is replaceable to be latticed radiating fin or radiating fin.
The solid section rear end of described heronsbill radiator hollows out or fills conduction oil.
To sum up, the more existing structure of the utility model structure because of adopting the mode of heat radiation heronsbill natural heat dissipation, has thoroughly solved noise problem, led light source adopts many independent encapsulated LED and adds red-light LED, the LED of light source center overdrives, and peripheral LED is low to be driven, and improves the LED light efficiency greatly, adopt the high thermal conductivity aluminum matrix plate of thermal conductivity greater than 3W/mk, improve the efficient of LED heat conduction, adopt Fresnel lenses not only to make light more even, the rate of getting of quenching of light also improves greatly.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of embodiment one of the present utility model;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of embodiment two of the present utility model;
Fig. 3 is embodiment two assembled sectional views of the present utility model;
Fig. 4 is an embodiment biend cutaway view of the present utility model;
Fig. 5 is embodiment two overall structure schematic diagrames of the present utility model;
Fig. 6 is the conceptual scheme that heronsbill radiator of the present utility model strengthens radiating effect;
Fig. 7 adopts latticed radiating fin for heronsbill radiator of the present utility model;
Fig. 8 is that heronsbill radiator of the present utility model adopts radiating fin;
Fig. 9 A is the integrated led light source of the utility model;
Fig. 9 B is a led light source of the present utility model.
The specific embodiment
Cooperate shown in Fig. 1 to Fig. 9 B, the utility model has disclosed the heat radiation lighting device of a kind of LED, it mainly comprises led light source, substrate and radiator, key of the present utility model is: this led light source is many high-capacity LEDs of encapsulation separately, so-called high-capacity LED is meant the LED that 1W is above, general incandescent lamp brightness 15 lm/w, electricity-saving lamp 70 lm/w, and the used GREE of the utility model company
XPGThe highest 5W that is driven into of LED, 139 lm/w, GREE company
XM-LThe highest 10W that is driven into of LED, 280lm/w; Many the high-capacity LEDs that encapsulate separately also are arranged on the substrate front end face; This substrate is that highly heat-conductive material is made, and so-called high thermal conductive substrate is the substrate of electric heating separation, oozes copper base, ceramic aluminising substrate, pottery as aluminium base, copper base, ceramic substrate, pottery and oozes iron substrate; The rear end face of substrate is provided with radiator, and its thermal conductivity is greater than 3W/mk; This radiator is the heronsbill radiator, and promptly the radiator of the similar sun shape of cross section is the heronsbill radiator.
As shown in Figure 1, STRUCTURE DECOMPOSITION schematic diagram for embodiment one of the present utility model, the heat radiation lighting device of this embodiment is a courtyard lamp, comprise a led light source 3 ' (seeing shown in Fig. 9 A, the 9B), a substrate 4 ' and a radiator 5 ', this led light source 3 ' has the high-capacity LEDs that use many to encapsulate separately; This substrate 4 ' is a high thermal conductive substrate, is located at the leading section of radiator 5 ', and its thermal conductivity is greater than 3W/mk; This radiator 5 ' is the heronsbill radiator; The optical axis in the above led light source 3 ' the place ahead is provided with a convex lens sheet 12 ', and this convex lens sheet 12 ' is to be fixed on the substrate 4 ' by lens supports ring and lens pressure ring.
Extremely shown in Figure 5 as Fig. 2, structural representation for embodiment two of the present utility model, the heat radiation lighting device of this embodiment is a studio lamp, comprise movably sliding sleeve 1, a neck bush 2, sliding sleeve 1 movably is sheathed on this neck bush 2, one led light source 3(sees shown in Fig. 9 A, the 9B), a substrate 4 and a radiator 5, this led light source 3 has and uses many high-capacity LEDs of encapsulation separately; This substrate 4 is a high thermal conductive substrate, is located at the leading section of radiator, and its thermal conductivity is greater than 3W/mk; And this radiator 5 is the heronsbill radiator; One sliding sleeve 1 movably, be formed with chute 11 on the inwall of this sliding sleeve 1, and a Fresnel lenses 12 and an eyeglass ring 13 are housed in the front end of this sliding sleeve 1,12 pairs of reflection of lights of Fresnel lenses or refraction action are known technology, so this case no longer is described further, one neck bush 2 is located on the optical axis in led light source the place ahead, and can move forward and backward with respect to led light source, sliding sleeve 1 movably is sheathed on this neck bush 2, the outer wall of this neck bush 2 is arranged with fitting recess up and down, is used to assemble slide rail 21, with the chute 11 of the aforementioned sliding sleeve of corresponding matching, make sliding sleeve 1 move forward and backward, to regulate the focal length of led light source and Fresnel lenses 12 along this slide rail 21; This Fresnel lenses 12 is assemblied on the sliding sleeve 1, and is motionless at led light source by regulating sliding sleeve 1, regulates under the situation of mobile Fresnel lenses 12 to focus on and defocus.
In the market to perform in a radio or TV programme that lamp regulates mainly be by mobile LED lamp body, when in use removing mobile led light source, the LED lamp causes the damage of LED lamp easily, and use very inconveniently, and adjust focusing, then make it regulate easy and convenient easy operating by mobile eyeglass; In addition, the utility model also is provided with a protection network 14 and plays the safety precaution effect between Fresnel lenses 12 and eyeglass ring 13, establishes a rubber ring 15 simultaneously between Fresnel lenses 12 and protection network 14 and is used to prevent protection network scratch Fresnel lenses 12.
This led light source 3 uses many independent encapsulated LED, in theory, integrated LED does not have lens No. one time, so the light of being up to is very even, and lens once on the LED, under the situation of plurality of LEDs combination, the hot spot of being up to can be overlapping, but has added after the Fresnel Lenses, and hot spot is very even, overcome technology prejudice, shown in seeing the following form.
The design people attempts following three kinds of schemes: as shown in the table, first kind is to adopt 45
The XPG of CREE companyThe LED lamp, Ra 〉=82lm, drive current is 1.1A; Second kind is to adopt 32 CREE LED lamps, wherein 26 is XPG, and 6 is XPE ruddiness, and the drive current of center LED is 1.5A, promptly adopt and overdrive, what is called is overdrived and is meant that drive current is higher than normal drive current but within the specified maximum operating currenbt of LED; The drive current of peripheral LED is 0.75A, promptly adopts low the driving, and so-called low the driving is meant that drive current is lower than normal drive current; As: be 1A or 1.1A the XPG LED normal drive current, specified maximum operating currenbt is 1.5A, if drive 1.4A then for overdriving, 700mA then drives for low; Three kinds is to adopt 15 CREE LED lamps, and wherein 9 be that XM-L, 6 are XPE ruddiness, and the drive current of center LED is 3A, and the drive current of peripheral LED is 0.5A; After tested, more than three kinds of schemes all can reach high intensity of illumination, but 45 LEDs drive currents are when being 1.1A, focusing center's brightness value is lower, preferred 32 LEDs are preferred version at present, referring to Fig. 8, test 1000 hours simultaneously after, light decay does not surpass 4%.
For reaching preferable colour rendering index, make Ra 〉=85, this case attempts selecting multiple LED scheme: increase salmon pink as amber, part increase redness, part, after tested, part increases scheme colour rendering index Ra 〉=85 of red-light LED lamp, so this case preferably adopts part to increase the red-light LED lamp.
The aluminium base 4 of cooperated with LED light source 3, adopt the high thermal conductivity aluminum matrix plate of thermal conductivity greater than 3W/mk, for improving the heat transfer efficiency of aluminium base, attempt adopting hollow out aluminium base, Bei Gesi substrate, high thermal conductivity aluminum matrix plate, after tested, selecting the high thermal conductivity aluminum matrix plate at present is the preferable embodiment of this case, referring to attached test report table.
Test purpose: compare three kinds of aluminium base brightness values that different LED is arranged
Method of testing: after the thermal balance,, be datum mark, defocus that focusing on every 10cm is a test benchmark point every 20cm with the lamp center apart from test point 5m
One heronsbill radiator 5, its front end face is used to assemble led light source 3, places in the lump in this neck bush 2.Because of the area of dissipation of heronsbill radiator is very big, can realize on this basis dispelling the heat fully.For improving its radiating effect once more, can bore a blind hole 52 in the rear end of heronsbill radiator 5 solid sections, as shown in Figure 6, above after tested scheme is when reaching good heat radiating, and the more solid heronsbill radiator 5 of weight lacks 0.6kg.Same can conduction oil in the rear end blind hole 52 of heronsbill radiator 5 solid sections, equally can play better heat radiating effect, in addition, heronsbill radiator 5 also can adopt radiating fin 5 ' or with latticed radiating fin 5 ' ', shown in Fig. 7,8.
The front and back end of heronsbill radiator 5 respectively is provided with a drive end bearing bracket 53 and rear end cap 54, be useful on the position, hole 55 of secure liner cover on the drive end bearing bracket 53, rear end cap 54 is provided with the position, hole and is used for fixing a back handle 56, the rear and front end covers all installing hole 57, be used to assemble support bar 6 and power supply placing plate 8, during installation, the utility model adopts support bar 6, drive end bearing bracket 53 and rear end cap 54 are fixing with heronsbill radiator 5, the adjusting that lamp bow 7 changes in response to lamp body focusing tailheaviness on support bar 6 by slide block 71, can realize fixing by forcing tight knob 72 simultaneously, on lamp bow 7, assemble a dial 73 simultaneously, be used to proofread and indicate the suspension angles of whole lamp, on power supply placing plate 8, be provided with a display screen 81, be used to show temperature and other parameter of LED lamp, play demonstration for whole lamp, early warning and guaranteeing role.
Said structure, the utility model radiator is owing to adopted sun fancy heat radiation fin structure, mode with natural heat dissipation, thoroughly solved noise problem, and adopt the high thermal conductivity aluminum matrix plate of thermal conductivity greater than 3W/mk, overcome technology prejudice, adopt led light source to use many independent encapsulated LED to add red-light LED, under the prerequisite that guarantees colour rendering index Ra 〉=85, improve the LED intensity of illumination greatly, also prolong simultaneously the life-span of LED lamp, adopt Fresnel lenses not only to make light more even, the rate of getting of quenching of light also improves greatly.
The above is preferred embodiment of the present utility model, and in order to explanation the utility model, those skilled in the art all fall into the utility model protection domain not breaking away from the equivalent for it replacement of claims of the present utility model and description institute.
Claims (12)
1. the heat radiation lighting device of a LED comprises led light source, a substrate and a radiator, it is characterized in that: described led light source is many high-capacity LEDs of encapsulation separately, and is arranged on the substrate front end face; This substrate is that highly heat-conductive material is made, and the rear end face of substrate is provided with radiator, and its thermal conductivity is greater than 3W/mk; And described radiator is the heronsbill radiator.
2. the heat radiation lighting device of a kind of LED as claimed in claim 1, it is characterized in that: the optical axis in described led light source the place ahead is provided with a convex lens sheet, and this convex lens sheet is to be fixed on the substrate by lens supports ring and lens pressure ring.
3. the heat radiation lighting device of a kind of LED as claimed in claim 1 or 2, it is characterized in that: the optical axis in described led light source the place ahead is provided with the sliding sleeve that can move forward and backward with respect to led light source, this sliding sleeve is located on the neck bush, move along light source center, neck bush is provided in a side of on the optical axis in led light source the place ahead equally, and can move forward and backward with respect to led light source; The front end of this sliding sleeve is installed an eyeglass, and this eyeglass is a Fresnel lenses, and its inboard atomizing is located on the optical axis in light source the place ahead, can move forward and backward with respect to led light source, reaches the function of focusing.
4. the heat radiation lighting device of a kind of LED as claimed in claim 3, it is characterized in that: the front end of described Fresnel lenses is provided with the protective device of Fresnel lenses.
5. the heat radiation lighting device of a kind of LED as claimed in claim 4, it is characterized in that: this protective device is the cooperation of protection network and rubber ring.
6. the heat radiation lighting device of a kind of LED as claimed in claim 3, it is characterized in that: described Fresnel lenses is 1m at 5m position focal beam spot, defocuses hot spot greater than 3m.
7. the heat radiation lighting device of a kind of LED as claimed in claim 3, it is characterized in that: the front and back end of described heronsbill radiator respectively is provided with a drive end bearing bracket and rear end cap, be useful on the position, hole of secure liner cover on the drive end bearing bracket, rear end cap is provided with the position, hole and is used for fixing a back handle, the rear and front end covers all installing hole, is used to assemble support bar and power supply placing plate; On the neck bush outer wall, be provided with fitting recess in order to the assembling slide rail.
8. the heat radiation lighting device of a kind of LED as claimed in claim 1, it is characterized in that: described high thermal conductive substrate is the substrate of electric heating separation.
9. the heat radiation lighting device of a kind of LED as claimed in claim 8 is characterized in that: the substrate of described electric heating separation is that aluminium base, copper base, ceramic substrate, pottery ooze copper base, ceramic aluminising substrate or pottery and ooze iron substrate.
10. the heat radiation lighting device of a kind of LED as claimed in claim 1 is characterized in that: in the middle of many independent encapsulated LED of described led light source, partly adopt red-light LED; The LED at described led light source center adopts and overdrives, and peripheral LED adopts low the driving.
11. the heat radiation lighting device of a kind of LED as claimed in claim 1 is characterized in that: described heronsbill radiator is replaceable to be latticed radiating fin or radiating fin.
12. the heat radiation lighting device of a kind of LED as claimed in claim 1 is characterized in that: the solid section rear end of described heronsbill radiator hollows out or fills conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200539019U CN202065779U (en) | 2011-03-03 | 2011-03-03 | Light-emitting diode (LED) radiating and lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200539019U CN202065779U (en) | 2011-03-03 | 2011-03-03 | Light-emitting diode (LED) radiating and lighting device |
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| Publication Number | Publication Date |
|---|---|
| CN202065779U true CN202065779U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200539019U Expired - Fee Related CN202065779U (en) | 2011-03-03 | 2011-03-03 | Light-emitting diode (LED) radiating and lighting device |
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| Country | Link |
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| CN (1) | CN202065779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080794A (en) * | 2011-03-03 | 2011-06-01 | 格瑞电子（厦门）有限公司 | LED (light emitting diode) radiating illumination device |
-
2011
- 2011-03-03 CN CN2011200539019U patent/CN202065779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080794A (en) * | 2011-03-03 | 2011-06-01 | 格瑞电子（厦门）有限公司 | LED (light emitting diode) radiating illumination device |
| CN102080794B (en) * | 2011-03-03 | 2014-07-02 | 格瑞电子（厦门）有限公司 | LED (light emitting diode) radiating illumination device |
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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 |
Granted publication date: 20111207 Termination date: 20150303 |
|
| EXPY | Termination of patent right or utility model |