CN101206012B - LED projector - Google Patents
LED projector Download PDFInfo
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- CN101206012B CN101206012B CN2006101477437A CN200610147743A CN101206012B CN 101206012 B CN101206012 B CN 101206012B CN 2006101477437 A CN2006101477437 A CN 2006101477437A CN 200610147743 A CN200610147743 A CN 200610147743A CN 101206012 B CN101206012 B CN 101206012B
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- cooling fan
- heat radiation
- fin
- projecting lamp
- led
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Abstract
The invention discloses an LED spot light which comprises a shell, a plurality of LEDs, a power source device and a light emitting plate. The shell is provided with a plurality of cooling fins; the LEDs are received in the shell and electrically connected with the power source device; the light emitting plate is fixed on the shell and seals the LEDs between the shell and the light emitting plate; a gap is formed between two adjacent cooling fins. Moreover, the LED spot light is also provided with a cooling fan arranged on the position where the cooling fan can make the air flow easily in at least part of gaps.
Description
[technical field]
The present invention relates to a kind of LED Projecting Lamp, or rather, relate to a kind of LED Projecting Lamp with great heat radiation effect.
[background technology]
Because having advantage such as energy-saving and environmental protection, LED has been widely used in the various light fixtures, but because luminous efficiency and the luminous mass of LED can descend with the rising of temperature, especially use LED number more for a long time, can produce a large amount of heats especially, if untimely losing will have a strong impact on the operate as normal of LED, therefore various use LED as the most specialized designs of Projecting Lamp of light source radiator structure, the heat that LED is produced loses rapidly as far as possible, to keep luminous efficiency and the luminous mass of LED.Existing a kind of radiator structure with better heat dissipation effect is the outer setting fin at Projecting Lamp, thereby as early as possible the heat that LED produces is lost by increasing area of dissipation, but because its utilization is that the air of LED Projecting Lamp surrounding environment flows and takes away heat on the fin, radiating effect is not very desirable under many circumstances, and especially radiating effect is poorer under weather sweltering heat and the mobile not smooth situation of air.
[summary of the invention]
Technical problem to be solved by this invention is to overcome above-mentioned defective, and a kind of LED Projecting Lamp that the heat that the LED Projecting Lamp produces can be lost rapidly is provided.
The present invention is achieved by the following technical solutions: a kind of LED Projecting Lamp, comprise a housing, some LED, one supply unit and a light-emitting plate, some fin are set on the described housing, described LED is contained in the housing, and electrically connect with described supply unit, described light-emitting plate is fixed on the housing and with LED and is closed between housing and the light-emitting plate, be formed with the gap between adjacent two fin, described fin is mainly by the first heat radiation section, the second heat radiation section and the 3rd heat radiation section are formed, wherein the first heat radiation section is made up of two heat radiation subregions, this two heat radiations subregion is respectively adjacent to the left and right side and is provided with, described second the heat radiation section be arranged on described two the heat radiation subregions between, the 3rd radiating area be positioned at corresponding back, described supply unit position on; The wherein said second heat radiation section is made of some second fin, and be divided into the plurality of sub radiating area by some partitions, the described partition and second fin β at an angle are provided with, 0 °＜β＜180 ° wherein, be equipped with first gap between two adjacent first fin in the described first heat radiation section, be equipped with second gap between two adjacent second fin in the described second heat radiation section, the certain angle α of formation between described first gap and second gap, wherein 0 °＜α＜180 °; Described LED Projecting Lamp also is provided with a cooling fan, this cooling fan is configured in the air that makes to the small part gap and forms on the position of flowing easily, the wind outlet of this cooling fan is over against described second gap, this wind outlet is between the second heat radiation section and the 3rd heat radiation section, and the air-out direction of this cooling fan is parallel to described second gap of the second heat radiation subregion.
Described cooling fan is configured in enclosure interior, and described housing offers a ventilation window on the cooling fan air-out direction, and the wind of cooling fan fan-out blows to described second fin by this ventilation window, makes the air flow faster in the gap between second fin.
One protector is installed in the described ventilation window, and the wind of cooling fan fan-out blows to described second fin by this protector.
Described protector is provided with a body frame, is provided with a protection network with some mesh in this body frame.
Described protector comprises body frame, rotating shaft, catch and revolving fragment, and described rotating shaft is installed on the body frame, and catch is provided with some air vents, and revolving fragment can rotate around rotating shaft, and cooling fan can cover the air vent on the catch when not working.
Described revolving fragment one end is rotatably mounted on the described rotating shaft, and the other end is free end and is planar sheet extension setting that when described cooling fan was not worked, this free end blocked described air vent.
Described LED Projecting Lamp also is provided with a sealing device, the sealing device comprise a seal closure and be arranged on housing and seal closure between seal, the sealing device is with described cooling fan and enclosure interior seal isolation.
Described cooling fan is the water proof type cooling fan.
Described LED is a great power LED.
Compared with prior art, the present invention is by being provided with cooling device in the LED Projecting Lamp, utilize cooling fan that the LED Projecting Lamp is forced cooling, and cooling fan is configured in the air that makes to the gap between the small part fin and forms on the position of flowing easily, even thereby under weather sweltering heat or the mobile not smooth situation of air, also the heat of LED Projecting Lamp can be scattered and disappeared rapidly, thereby have better radiating effect.
[description of drawings]
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 is the three-dimensional combination figure of LED Projecting Lamp embodiment one of the present invention.
Fig. 2 is the three-dimensional exploded view of LED Projecting Lamp embodiment one of the present invention.
Fig. 3 is the partial enlarged drawing at LED Projecting Lamp embodiment of the present invention one ventilation window place.
Fig. 4 is LED Projecting Lamp embodiment one a protector profile of the present invention.
Fig. 5 is LED Projecting Lamp embodiment one a cooling fan stereogram of the present invention.
Fig. 6 is LED Projecting Lamp embodiment one cutaway view of the present invention.
Cutaway view when Fig. 7 works for LED Projecting Lamp embodiment one cooling fan of the present invention.
Fig. 8 is LED Projecting Lamp embodiment two protector stereograms of the present invention.
[specific embodiment]
First embodiment
See also Fig. 1 to Fig. 7.LED Projecting Lamp of the present invention mainly comprises housing 1, LED2, cooling device 3, supply unit 4, light-emitting plate sealing ring 5 and light-emitting plate 6.Wherein, LED2 is contained in the housing 1, and electrically connects with supply unit 4; Cooling device 3 is installed on the housing 1 and with supply unit 4 and electrically connects, and is mainly used in housing 1 is forced cooling; Supply unit 4 provides the operating voltage of its needs for LED2 and cooling device 3; Light-emitting plate 6 is installed on the housing 1 and by light-emitting plate sealing ring 5 LED2 is sealed in the housing 1.
Housing 1 is made by the good material of heat conductivility (such as, aluminium), and this housing 1 comprises fixed part 11, fin 12, diapire 13, four sidewalls 14 and surrounded the receiving space 15 that forms by diapire 13 and sidewall 14.Wherein, fixed part 11 is separately positioned on the left and right side 17 of hull outside, is mainly used in the LED Projecting Lamp is supported or is fixed on third party's object.
Described fin 12 is made by the good material of heat conductivility (such as, aluminium), and it is arranged on the back 16 of housing 1, can be one-body molded with housing 1, also can be connected on the described back 16 by heat exchange pattern.Described fin 12 mainly is made up of one first heat radiation section 121, the second heat radiation section 122 and the 3rd heat radiation section 123.Wherein, described first heat radiation section 121 and second fin, 122 districts are arranged on back 16 and corresponding position, LED2 position, be mainly used in LED2 is dispelled the heat.Wherein, the first heat radiation section 121 is made up of two heat radiation subregions 1210, and this two heat radiations subregion 1210 is respectively adjacent to left and right side 17 and is provided with.Be equipped with first gap 1212 between two adjacent first fin 1211 in the described first heat radiation section 121.The described second heat radiation section 122 is arranged between the described two heat radiation subregions 1210, this second heat radiation section 122 is made of some second fin 1221, and be divided into plurality of sub radiating area 1220 by some partitions 1223 (being the gap), the described partition 1223 and second fin 1221 β at an angle are provided with, 0 °＜β＜180 ° wherein, β=90 ° preferably, promptly described partition 1223 and the 1221 vertical settings of second fin.Be equipped with second gap 1222 between two adjacent second fin 1221 in the described second heat radiation section 122.Form certain angle α between wherein said first gap 1212 and second gap 1222,0 °＜α＜180 ° wherein, α=90 ° preferably, promptly described first gap 1212 and second gap, 1222 vertical arrangement.Described the 3rd fin 123 is arranged along parallel side 17 directions, be positioned at corresponding back 16, supply unit 4 positions on, be mainly used in supply unit 4 dispelled the heat.
Described diapire 13 cross sections are stepped, are made of first diapire 131, connecting wall 132 and second diapire 133.Wherein, first diapire 131 is corresponding with the position of the first heat radiation section 121 and the second heat radiation section 122, is mainly used in fixed L ED2; Second diapire 133 is corresponding with the position of the 3rd heat radiation section 123, is mainly used in fixedly cooling device 3 and supply unit 4; Connecting wall 132 connects first diapire 131 and second diapires 133, and respectively and the angles of approximate 90 degree are arranged between first diapire 131 and second diapire 133.Described connecting wall 132 is divided into first receiving space 151 of accommodating LED2 and second receiving space 152 of accommodating supply unit 4 and cooling device 3 with receiving space 15.Described connecting wall 132 central authorities also are provided with the ventilation window 1320 of a cooling radiator cooler 3 ventilation usefulness, and described ventilation window 1320 is communicated with first diapire 131 and second diapires 133.Also be provided with the bumping square 135 of a sealing on the described diapire 13, wherein, projection 135 is located on first diapire 131 and connecting wall 132 and 1,320 three limit adjacents of ventilation window, on second diapire 133, then be " ㄈ " shape, and " ㄈ " shape two openends link to each other with projection on the connecting wall 132, thereby make whole bumping square 135 constitute a sealing projection.Be provided with one in the centre position of projection 135 and be used for the closed pockets 1350 that part is held seal 34, and be extended with some tapped fixed legs 1351 outward in the outside of the bumping square 135 that seals, described fixed leg 1351 is used for fixing seal closure 33.Also be provided with two cylindrical projections 1330 that have internal thread on second diapire 133, described projection 1330 is positioned at the inside of bumping square 135, is used for fixing cooling fan fixed block 31.
Described cooling device 3 mainly is made of cooling fan 30, cooling fan fixed block 31, protector 32, sealing device 36.Wherein, cooling fan 30 electrically connects with supply unit 4, and it is configured in the air that makes to the small part fin gap and forms on the position of flowing easily.Preferably be configured in enclosure interior and its air-out direction in the present embodiment over against ventilation window 1320, the wind of cooling fan 302 fan-outs blows to described fin 12 by this ventilation window 1320, makes the air flow faster in the gap between the fin 12.This cooling fan 30 mainly comprises blade 301 and housing 302, and wherein, blade 301 is contained in the center of housing 302 and is connected on the housing; Housing 302 integral body are the tetragonal body shape of center hollow, it is tetragonal 3021 by former and later two and forms with the cylindrical surface 3022 that is connected former and later two faces, and it is that the center is uniformly distributed on four angles of square face 3021 with the center of square face 3021 that described square face 3021 is provided with four screwed holes 3023 and described four screwed holes 3023.The wind of cooling device 3 fan-outs is sent by the ventilation window 1320 of connecting wall 132, because the second heat radiation section 122 is distributed in the central authorities of housing 1, and the gap 1222 between its adjacent fin is over against the wind outlet of cooling fan 30, obviously the wind energy of cooling fan 30 generations enters in second gap 1222 of the second heat radiation section 122, and the heat of fin surface is lost rapidly.
Described cooling fan fixed block 31 is L-shaped, orthogonal and all be tetragonal first fixed block 311 and second fixed block 312 is formed by two, wherein, 311 4 angles of first fixed block are provided with four through holes 3110, the distribution of described through hole 3110 is corresponding with the screwed hole 3023 on the cooling fan 30 respectively, and screw 3111 passes respectively that corresponding four screwed holes 3023 are fixed on cooling fan 30 on the cooling fan fixed block 31 on above-mentioned four through holes 3110 and the cooling fan; Second fixed block 312 is provided with two fixed vias 3120, and the internal thread that screw 3121 passes cylindrical projections 1330 on the fixed via 3120 and second diapire 133 is fixed on cooling fan fixed block 31 on second diapire 133.
Described protector 32 mainly is made of body frame 320, rotating shaft 321, catch 322 and revolving fragment 323, wherein, body frame 320 is the square framework of a center hollow, two side 3201 symmetry be provided with some through holes 3202 of passing for rotating shaft 321 of being used for.Catch 322 is a thin slice, and it is assemblied on the body frame 320 and the whole hollow space of main body covered frame 320.Certainly, described catch 322 also can with body frame 320 one-body molded formation.Described catch 322 is recessed into semicircle in the position of rotating shaft 321 in the same side, be provided with an air vent 3220 at the place, centre position of two adjacent semi-cylindrical canyons.Revolving fragment 323 also is a thin slice, and the one end is bent into the circular mounting portion 3230 that an inside can supply rotating shaft 321 to pass, circular mounting portion 3230 described being rotatably mounted on the described rotating shaft.Revolving fragment 323 other ends are free end and are planar sheet extension setting that when cooling fan 30 was not worked, this free end blocked described air vent 3220.Through hole 3202 and installation portion 3230 that rotating shaft 321 passes symmetry on body frame 320 two sides 3201 are fixed on protector 322 on the body frame 320.
Described sealing device 36 comprise a seal closure 33 and be arranged on housing 1 and seal closure 33 between seal 34, sealing device 36 is with described cooling fan 30 and enclosure interior seal isolation.Seal closure 33 is provided with several through holes 330, and described through hole 330 is corresponding with fixed leg 1351 positions respectively, and the internal thread that screw 331 passes on described through hole 330 and the fixed leg 1351 is fixed on seal closure on the diapire 13.Be provided with a seal 34 between seal closure 33 and diapire 13, described seal 34 parts are contained in the groove 1350 of projection 135, are mainly used in the cooling device 3 and the inner sealing of housing 1 are isolated, and enter housing 1 inside to prevent rainwater etc.
Described light-emitting plate 6 is a light-permeable plate, and it can also can be common plate glass for playing the lens of convergence or disperse function.Light-emitting plate 6 is installed on the housing 1 by modes such as screw connections, and LED2 is closed in the housing 1.Between light-emitting plate 6 and housing 1, also be provided with a light-emitting plate sealing ring 5, enter the inside of housing 1 to prevent rainwater or flying dust etc.
LED2 is great power LED preferably.
During assembling, earlier protector 32 is placed on ventilation window 1320 places of connecting wall 132, pass respectively with screw 3111 then that corresponding four screwed holes 3023 are fixed on cooling fan 30 on the cooling fan fixed block 31 on four through holes 3110 on first fixed block 311 and the cooling fan 30, the internal thread that passes cylindrical projections 1330 on the fixed via 3120 on second fixed block 312 and second diapire 133 with screw 3121 is fixed on cooling fan fixed block 31 on second diapire 133 again.Wherein, protector 32 can be fixing by screw and housing 1, also can it be compressed by cooling fan 30.Next in the groove 1350 of projection 135, put seal 34 well, pass through hole 330 on the seal closure 33 with screw 331 again and the internal thread on the fixed leg 1351 is fixed on seal closure 33 on the diapire 13.Again supply unit 4 is fixed on second diapire 133, LED2 is fixed on first diapire 131, light-emitting plate sealing ring 5 and light-emitting plate 6 are installed at last again, thereby LED2 and supply unit 4 are sealed in the housing 1.
When cooling fan 30 was not worked, because the gravity effect, revolving fragment 323 was close to catch 322, with 3220 sealings of the air vent on the catch 322, can prevent effectively that rainwater, flying dust etc. from entering; During cooling fan 30 work, the wind of cooling fan 30 is sent from the air vent 3220 on the catch 322, wind-force forces revolving fragment 323 to rotate to an angle around rotating shaft 321, thereby wind is entered in second gap 1222 of the second heat radiation section 122, the heat of fin surface is lost rapidly, reach the effect of quick pressure cooling.In order to strengthen waterproof effect, described cooling fan is the water proof type cooling fan preferably.
Second embodiment
See also Fig. 8.This embodiment only is that with embodiment one difference the concrete structure of protector is different.In the present embodiment, protector 32 ' does not have anti-rainwater and enters function, tightly play security protection effect (as when preventing that hand from stretching into cooling fan adversary damage etc.), it is mainly by the protection network 322 ' that has some mesh 3220 ' in body frame 320 ' and the body frame.During cooling fan 30 ' work, wind enters by mesh 3220 ' in the gap of fin, and the heat of fin surface is lost rapidly, reaches the effect that quick pressure is cooled off.Four sidewalls 3201 ' of body frame 320 ' and protection network 322 ' form one and filter receiving space 323 ', can contain good filter of gas permeability or drying sheet in it, are mainly used in to filter flying dust or absorb moisture.
Certainly, suitable change also can be done in the installation site of described cooling device, as seal closure and shell bottom wall are made of one piece, no longer needs seal, and cooling fan is installed in the outside of housing etc. fully.
More than describing is embodiments of the invention only, forgives and can understand, and under the prerequisite that does not depart from the present invention's design, all should be included within the technical conceive of the present invention simple modification of the present invention and replacement.
Claims (9)
1. LED Projecting Lamp, comprise a housing, some LED, a supply unit and a light-emitting plate, some fin are set on the described housing, described LED is contained in the housing, and electrically connect with described supply unit, described light-emitting plate is fixed on the housing and with LED and is closed between housing and the light-emitting plate, is formed with the gap between adjacent two fin, it is characterized in that:
Described fin mainly is made up of the first heat radiation section, the second heat radiation section and the 3rd heat radiation section, wherein the first heat radiation section is made up of two heat radiation subregions, this two heat radiations subregion is respectively adjacent to the left and right side and is provided with, described second the heat radiation section be arranged on described two the heat radiation subregions between, the 3rd radiating area be positioned at corresponding back, described supply unit position on; The wherein said second heat radiation section is made of some second fin, and be divided into the plurality of sub radiating area by some partitions, the described partition and second fin β at an angle are provided with, 0 °＜β＜180 ° wherein, be equipped with first gap between two adjacent first fin in the described first heat radiation section, be equipped with second gap between two adjacent second fin in the described second heat radiation section, the certain angle α of formation between described first gap and second gap, wherein 0 °＜α＜180 °; Described LED Projecting Lamp also is provided with a cooling fan, this cooling fan is configured in the air that makes to the small part gap and forms on the position of flowing easily, the wind outlet of this cooling fan is over against described second gap, this wind outlet is between the second heat radiation section and the 3rd heat radiation section, and the air-out direction of this cooling fan is parallel to described second gap of the second heat radiation subregion.
2. LED Projecting Lamp as claimed in claim 1, it is characterized in that: described cooling fan is configured in enclosure interior, described housing offers a ventilation window on the cooling fan air-out direction, the wind of cooling fan fan-out blows to described second fin by this ventilation window, makes the air flow faster in the gap between second fin.
3. LED Projecting Lamp as claimed in claim 2 is characterized in that: a protector is installed in the described ventilation window, and the wind of cooling fan fan-out blows to described second fin by this protector.
4. LED Projecting Lamp as claimed in claim 3 is characterized in that: described protector is provided with a body frame, is provided with a protection network with some mesh in this body frame.
5. LED Projecting Lamp as claimed in claim 3, it is characterized in that: described protector comprises body frame, rotating shaft, catch and revolving fragment, described rotating shaft is installed on the body frame, catch is provided with some air vents, revolving fragment can rotate around rotating shaft, and when cooling fan is not worked, can cover the air vent on the catch.
6. LED Projecting Lamp as claimed in claim 5, it is characterized in that: described revolving fragment one end is rotatably mounted on the described rotating shaft, the other end is free end and is planar sheet extension setting that when described cooling fan was not worked, this free end blocked described air vent.
7. LED Projecting Lamp as claimed in claim 2, it is characterized in that: described LED Projecting Lamp also is provided with a sealing device, the sealing device comprise a seal closure and be arranged on housing and seal closure between seal, the sealing device is with described cooling fan and enclosure interior seal isolation.
8. LED Projecting Lamp as claimed in claim 1 is characterized in that: described cooling fan is the water proof type cooling fan.
9. LED Projecting Lamp as claimed in claim 1 is characterized in that: described LED is a great power LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101477437A CN101206012B (en) | 2006-12-22 | 2006-12-22 | LED projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101477437A CN101206012B (en) | 2006-12-22 | 2006-12-22 | LED projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101206012A CN101206012A (en) | 2008-06-25 |
| CN101206012B true CN101206012B (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101477437A Expired - Fee Related CN101206012B (en) | 2006-12-22 | 2006-12-22 | LED projector |
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| CN (1) | CN101206012B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749686B (en) * | 2008-12-03 | 2012-03-14 | 富准精密工业(深圳)有限公司 | Light emitting diode lamp |
| CN103196043A (en) * | 2012-01-10 | 2013-07-10 | 上海鑫点石照明电器工程有限公司 | Outdoor waterproof energy-saving high-power LED illumination lamp |
| JP6158033B2 (en) * | 2013-10-17 | 2017-07-05 | 日立アプライアンス株式会社 | Lighting device |
| CN104913246B (en) * | 2015-06-19 | 2017-08-25 | 厦门市信达光电科技有限公司 | A kind of anti-dazzle light projector |
| CN105303944A (en) * | 2015-10-21 | 2016-02-03 | 黄守瑜 | Novel teaching equipment |
| CN112963762B (en) * | 2021-02-07 | 2022-04-12 | 深圳市祥宇光电子科技有限公司 | Underwater diving lamp with high-efficiency waterproof performance |
| CN112984399B (en) * | 2021-03-18 | 2022-08-16 | 江苏天楹之光光电科技有限公司 | High-efficient radiating projecting lamp of air-propelled diversion formula |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834534A (en) * | 2006-04-14 | 2006-09-20 | 东南大学 | Integral array type large power LED lamp |
| CN200982544Y (en) * | 2006-12-22 | 2007-11-28 | 宁波安迪光电科技有限公司 | LED spotlight |
-
2006
- 2006-12-22 CN CN2006101477437A patent/CN101206012B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834534A (en) * | 2006-04-14 | 2006-09-20 | 东南大学 | Integral array type large power LED lamp |
| CN200982544Y (en) * | 2006-12-22 | 2007-11-28 | 宁波安迪光电科技有限公司 | LED spotlight |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平6-208803A 1994.07.26 |
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| CN101206012A (en) | 2008-06-25 |
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Assignee: Ningbo Yamao Lighting Electric Appliances Co., Ltd. Assignor: Ningbo Andy Optoelectronic Technology Co., Ltd. Contract record no.: 2012330000118 Denomination of invention: Planar light extracting LED projection lamp Granted publication date: 20110323 License type: Exclusive License Open date: 20080625 Record date: 20120328 |
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Assignee: Ningbo Yamao Lighting Electric Appliances Co., Ltd. Assignor: Ningbo Andy Optoelectronic Technology Co., Ltd. Contract record no.: 2012330000118 Date of cancellation: 20130509 |
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