CN201363576Y - Light emitting diode lamp - Google Patents
Light emitting diode lamp Download PDFInfo
- Publication number
- CN201363576Y CN201363576Y CNU2009200017825U CN200920001782U CN201363576Y CN 201363576 Y CN201363576 Y CN 201363576Y CN U2009200017825 U CNU2009200017825 U CN U2009200017825U CN 200920001782 U CN200920001782 U CN 200920001782U CN 201363576 Y CN201363576 Y CN 201363576Y
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- Prior art keywords
- housing
- air
- venthole
- room
- lamp
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Abstract
The utility model discloses a light emitting diode lamp, which comprises a lamp casing, a light source device, a first air source unit and a second air source unit. The lamp casing comprises a casing, a cover body and a lamp post fixing base. The light source device comprises a plurality of light emitting diodes and a radiating module which are arranged inside the lamp casing. The first air flow unit is provided with an air inlet arranged on the rear side of the cover body and an air outlet arranged on the front side of the casing and can form a first air flow for dissipating heat on radiating fins of the radiating module. The second air flow unit is arranged on two sides of the lamp casing, is provided with an air inlet arranged on the cover body and an air outlet arranged on the casing and can form a second air flow on two sides for dissipating heat conducted to the casing by the radiating fins of the radiating module.
Description
Technical field
The utility model relates to a kind of lighting device, particularly relates to a kind of led lamp.
Background technology
Because light emitting diode has advantages such as power saving, environmental protection, high brightness, long service life, widely is applied to the field of lighting source.Though light emitting diode has above-mentioned advantage, but can produce a large amount of heat energy during lumination of light emitting diode, especially high-power light emitting diode more needs to improve heat dissipation, causes the luminous efficiency of light emitting diode and service life to be reduced to avoid too much heat energy accumulation.
In the field of lighting source, use light emitting diode comparatively serious with the heat dissipation problem of street lamp again as the light fixture of light source.Because use morely and be arrayed in the common quantity of the light emitting diode of street lamp, arranging density is bigger, and the heat energy that makes light emitting diode produce is more concentrated, and is not easy to dispel the heat at short notice.In order to accelerate the radiating rate of light emitting diode, have the heat radiation module of outside the lamp housing of light fixture, installing radiating fin and copper pipe composition at present, quicken the lamp housing heat radiation by existing heat radiation module, become easily infected by dust or influenced by rainwater and reduce its heat dissipation but be located at the outer heat radiation module of lamp housing.Yet, if the module that will dispel the heat is located in the lamp housing, cover and the rainwater influence though can avoid dust to be stained with, because the heat radiation module is confined in the lamp housing, its heat dissipation is also limited.
The utility model content
The purpose of this utility model is to provide a kind of module that dispels the heat can prevent dust fall, hide rain and having the led lamp of high heat dissipation efficiency.
The utility model led lamp comprises: a lamp housing, a light supply apparatus, one first air-flow unit and one second air-flow unit.This lamp housing comprises: a housing and a cover body, both define a room jointly and have a fixing side and a free side that is positioned at two opposition sides, and two avris that connect this fixing side and these free side two ends respectively, this housing has two dividing plates that are respectively adjacent to this avris respectively and extended toward this cover body direction by the medial surface of this housing.This light supply apparatus is located at this room, comprise a heat-radiating substrate and be located at most the light emitting diodes and a heat radiation module of these heat-radiating substrate two opposition sides respectively, this heat radiation module is formed this heat-radiating substrate and this two dividing plates winding by most radiating fins and most heat pipes.This first air-flow unit comprises most first air admission holes of being located at this cover body and contiguous this fixing side, and at least one this housing and adjacent first venthole that should free side be located at, make extraneous air flow into this room and to pass through this heat radiation module top by described first air admission hole, flow out this room by described first venthole again, form the first road air-flow, to take away the heat energy of this heat radiation module conduction.Respectively this second air-flow unit is located at respectively this avris of contiguous this lamp housing respectively, respectively comprise most second air admission hole and most second ventholes of being located at this housing of being located at this cover body, the dividing plate of described second air admission hole and adjacent corresponding respectively this avris of described second venthole, and lay respectively at two opposition sides of this dividing plate with this heat radiation module, make air flow into this room, and flow out this room by described second venthole along this dividing plate respectively by described second air admission hole.
Preferably, first air admission hole of this first air-flow unit and first venthole are thin-and-long and are spaced, and this first air-flow unit also comprises most the auxiliary inlet ports of being located at this cover body and contiguous this free side.In addition, the fixing side of this lamp housing is and a lamp stand links, and this lamp housing by this fixing side to this free side be one toward tilt and with the heeling condition of about 15 degree of horizontal plane angle, can accelerate air by the flowing velocity of described first air admission hole toward described first venthole.
The material that is applicable to this housing is with metal material and to have a good heat conductivity person preferable, for example aluminium alloy.This housing inboard can further be coated with a radiation absorption layer, for example dark coating, to absorb the radiant heat of this heat radiation module, relend by this housing with thermal energy conduction to atmosphere.In addition, respectively this dividing plate is a metal material, and contacts with this heat-radiating substrate, but conduction portion heat energy is taken heat energy out of this room to the second corresponding air-flow unit by the air-flow of respectively this second air-flow unit generation.
Preferably, these housing both sides are provided with the described second venthole place and form the wall portion of contracting in two toward corresponding respectively this dividing plate direction indent respectively, to shorten the distance of described second venthole and corresponding respectively this dividing plate, air is flowed into by described second air admission hole and this dividing plate of flowing through after can arrive described second venthole within a short period of time and flow out this room.In addition, respectively second air admission hole of this second air-flow unit and second venthole are thin-and-long and are spaced preferable.
The beneficial effects of the utility model are: by this first air-flow unit and this 2 second air-flow unit produce air flow, can take the heat energy that produces by described light emitting diode in this room out of this room, can can significantly promote radiating rate by this housing heat radiation simultaneously.In addition, first, second venthole of this first air-flow unit and this 2 second air-flow unit is located at the free side and two avris of this housing respectively, so this heat radiation module top still has this housing to cover, and to block dust and rainwater, avoids being subjected to the damage of dust and rainwater.
Description of drawings
Fig. 1 is a three-dimensional exploded view, and a preferred embodiment of the utility model led lamp is described.
Fig. 2 is the constitutional diagram of a Fig. 1 and is another angular views.
Fig. 3 is the side cross-sectional, view of a Fig. 2.
Fig. 4 is the front cross-sectional view of a Fig. 2.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
Consult Fig. 1～Fig. 4, first preferred embodiment of the utility model led lamp comprises: a lamp housing 1, a light supply apparatus 2, one first air-flow unit 3 and one second air-flow unit 4.Lamp housing 1 is the effect that is used for anti-dust fall, rainwater and reaches heat radiation, in the present embodiment, lamp housing 1 has a fixing side 11 and a free side 12 that is positioned at two opposition sides, and two avris 13 that connect fixing side 11 and free side 12 two ends respectively, lamp housing 1 also comprises: a housing 5, a cover body 6 and a lamp stand holder 70, both define a room 14 jointly housing 5 and cover body 6.Housing 5 is made by aluminium alloy, have a roof 51, and be connected to roof 51, antetheca 52 and rear wall 53 side walls 54 toward the rear wall 53, two that the antetheca 52, that tiltedly extends down is connected in roof 51 rear sides by lateral bucklings before the roof 51, and two dividing plates 55 that are respectively adjacent to each avris 13 and extend toward cover body 6 directions by roof 51 medial surfaces.And each sidewall 54 part forms the wall portion 541 of contracting in two toward indent.Housing 5 internal faces also are coated with a radiation absorption layer 56.The profile of cover body 6 matches with housing 5, separably with housing 5 assemblings, and is provided with two light-permeable districts 61.Though present embodiment cover body 6 is provided with two light-permeable districts 61, it is also passable only to establish a transparent area.In the present embodiment, the antetheca 52 of housing 5 is the free side 12 of lamp housing 1 with winding place of cover body 6, and the rear wall 53 and cover body 6 windings place of housing 5 are the fixing side 11 of lamp housing 1, and the two side 54 of housing 5 is two avris 13 of lamp housing 1 with winding place of cover body 6.In addition, though present embodiment middle shell 5 uses aluminum alloy material, but also can be the preferable metal material of other thermal conductivity, and radiation absorption layer 56 is to use black coating in the present embodiment, but also can use other dark coating, not exceed with present embodiment.Lamp stand holder 70 is located at the fixing side 11 of adjacent lamp housing 1, in order to a lamp housing 1 and a lamp stand 7 (not shown its entire infrastructure) is fixing, lamp stand 7 can be is located at outdoor street lamp post, by linking with lamp stand 7, the utility model led lamp is used as street lamp.
The first air-flow unit 3 comprises that most are thin-and-long and are located at cover body 6 and first air admission hole 31 of contiguous fixing side 11 with being spaced, and most first ventholes 32 that are thin-and-long and are located at housing 5 and adjacent free side 12 with being spaced.The heat energy that produces during described lumination of light emitting diode after 23 conduction of heat radiation module, can heat the air of heat radiation module 23 tops and forms hot gas, and hot gas can rise and diffuse to first venthole 32 along roof 51 and flow out rooms 14.Described first air admission hole 31 adjacent light-permeable districts 61, after the hot gas of heat radiation module 23 tops flows out room 14, can flow into room 14 by described first air admission hole 31 than the air in the atmosphere that hot air temperature is low in the room 14, replenish the space that heat radiation module 23 top hot gas flow out.So, colder air can flow into room 14 by described first air admission hole 31, and by heat radiation module 23 tops, after being heated the formation hot-air, flow along housing 5 roofs 51, flow out room 14 by described first venthole 32 again, the formation air-flow circulates (shown in arrow group among Fig. 3) and takes heat energy out of room 14, can accelerate radiating rate.And, the first air-flow unit 3 also comprises most the auxiliary inlet ports 33 of being located at cover body 6 and contiguous free side 12 with being spaced, described auxiliary inlet port 33 is corresponding with first venthole 32, can form the air-flow (shown in arrow group among Fig. 3) of vertical lifting, to increase the speed that hot gas flows out first venthole 32.In addition, during 7 assemblings of the utility model led lamp and lamp stand, lamp housing 1 by fixing side 11 to free side 12 be one toward tilt and with the heeling condition of about 15 degree of horizontal plane angle, in other words, lamp housing 1 is to be about 15 degree elevations angle to be provided with.Whereby, can make the first air-flow unit 3 faster to the air current flow speed that described first venthole 32 forms, make hot gas more can flow out room 14 fast by described first air admission hole 31.
Each second air-flow unit 4 is located at each avris 13 of contiguous lamp housing 1 respectively, respectively comprise most be thin-and-long and be located at second air admission hole 41 of cover body 6 with being spaced and most be thin-and-long and be located at with being spaced housing 5 in contract second venthole 42 of wall portion 541.Described second air admission hole 41 and described second venthole, 42 adjacent separator 55, and lay respectively at two opposition sides of dividing plate 55 with heat radiation module 23.Dividing plate 55 is for heat-radiating substrate 22 interlockings, but the heat energy of heat loss through conduction substrate 22, but conduct to the air in heat energy heated barrier 55 outsides of dividing plate 55, i.e. air between described second air admission hole 41 and second venthole 42, after the air at this place is heated, hot gas can flow out room 14 via second venthole 42 toward rising, space after the air that temperature in the atmosphere is lower can be gone out by described second air admission hole, 41 inflow rooms, 14 supplemental heat air-flows, so can form another air-flow circulation (shown in arrow group among Fig. 4), make hot gas constantly flow out room 14 by described second venthole 42, reach the effect of heat radiation along dividing plate 55.And the distance of second venthole 42 with the dividing plate 55 of the wall portion 541 of contracting in being located at can shorten near dividing plate 55 in the wall portion 541 of contracting in the housing 5, makes near dividing plate 55 hot gas arrive second venthole 42 in the short period and flows out rooms 14, accelerates radiating rate.
By the first air-flow unit 3 and the second air-flow unit 4 can produce air-flows in all sides of heat radiation module 23, the heat energy that produces when making light emitting diode 21 luminous, after heat-radiating substrate 22 and 23 conduction of heat radiation module, further discharge room 14 again by gas flow, can significantly promote radiating efficiency.In addition, partial heat energy also can absorb by the heat radiation absorbed layer 56 in housing 5 inboards, relends by metal shell 5 to conduct in the atmosphere.
Because described first venthole 32 and described second venthole 42 are to be distributed in around the roof 51 of housing 5, so heat radiation module 23 can covering by roof 51 in room 14, avoid rainwater directly to wash away or dust covers, and the heat dissipation of the module 23 of guaranteeing to dispel the heat.
In sum, the utility model led lamp can be prevented dust fall, hide rain, be applicable to be arranged on the open air, and have the first air-flow unit 3 and the second air-flow unit 4 can significantly promote radiating efficiency, make described light emitting diode can have preferably luminous efficiency and service life.
Claims (11)
1. led lamp, comprise: a lamp housing and a light supply apparatus, this lamp housing comprises: a housing and a cover body, both define a room jointly and have a fixing side and a free side that is positioned at two opposition sides, and two avris that connect this fixing side and these free side two ends respectively, this housing has two dividing plates that are respectively adjacent to this avris respectively and extended toward this cover body direction by the medial surface of this housing; This light supply apparatus is located at this room, comprise that one is laid with the heat-radiating substrate of most light emitting diodes, and a heat radiation module of being located at the backlight side of this heat-radiating substrate, this heat radiation module is formed this heat-radiating substrate and this two dividing plates winding by most radiating fins and most individual heat pipes; It is characterized in that: this led lamp also comprises one first air-flow unit and one second air-flow unit, this first air-flow unit comprises most first air admission holes of being located at this cover body and contiguous this fixing side, and most be located at this housing and adjacent first venthole that should free side, make air flow into this room and, to flow out this room by described first venthole again by described first air admission hole by this heat radiation module top; Respectively this second air-flow unit is located at respectively this avris of contiguous this lamp housing respectively, respectively comprise most second air admission hole and most second ventholes of being located at this housing of being located at this cover body, the dividing plate of described second air admission hole and adjacent corresponding respectively this avris of described second venthole, and lay respectively at two opposition sides of this dividing plate with this heat radiation module, make air flow into this room, and flow out this room by described second venthole along this dividing plate respectively by described second air admission hole.
2. led lamp as claimed in claim 1, it is characterized in that: these housing both sides are provided with the described second venthole place and form the wall portion of contracting in two toward corresponding respectively this dividing plate direction indent respectively, to shorten the distance of described second venthole and corresponding respectively this dividing plate.
3. led lamp as claimed in claim 2 is characterized in that: respectively second air admission hole of this second air-flow unit and second venthole are thin-and-long and are spaced.
4. led lamp as claimed in claim 1 is characterized in that: first air admission hole of this first air-flow unit and first venthole are thin-and-long and are spaced.
5. as each described led lamp of claim 1～4, it is characterized in that: this first air-flow unit also comprises most the auxiliary inlet ports of being located at this cover body and contiguous this free side.
6. as each described led lamp of claim 1～4, it is characterized in that: this housing is that metal material is made.
7. as each described led lamp of claim 1～4, it is characterized in that: this housing inboard is coated with radiation absorption layer.
8. led lamp as claimed in claim 5 is characterized in that: this housing is that metal material is made.
9. led lamp as claimed in claim 8 is characterized in that: this housing inboard is coated with radiation absorption layer.
10. led lamp as claimed in claim 1 is characterized in that: the fixing side of this lamp housing is and a lamp stand links, and this lamp housing by this fixing side to this free side be one toward tilt and with the heeling condition of about 15 degree of horizontal plane angle.
11. led lamp, comprise: a lamp housing and a light supply apparatus, this lamp housing comprises: a housing and a cover body, both define a room jointly and have a fixing side and a free side that is positioned at two opposition sides, and two avris that connect this fixing side and these free side two ends respectively, this housing has two dividing plates that are respectively adjacent to this avris respectively and extended toward this cover body direction by the medial surface of this housing; This light supply apparatus is located at this room, comprise that one is laid with the heat-radiating substrate of most light emitting diodes, and a heat radiation module of being located at the backlight side of this heat-radiating substrate, this heat radiation module is formed this heat-radiating substrate and this two dividing plates winding by most radiating fins and most individual heat pipes; It is characterized in that: this housing inboard is coated with radiation absorption layer, and this led lamp also comprises one first air-flow unit and one second air-flow unit, this first air-flow unit comprises most first air admission holes of being located at this cover body and contiguous this fixing side, and most be located at this housing and adjacent first venthole that should free side, make air flow into this room and, to flow out this room by described first venthole again by described first air admission hole by this heat radiation module top; Respectively this second air-flow unit is located at respectively this avris of contiguous this lamp housing respectively, respectively comprise most second air admission hole and most second ventholes of being located at this housing of being located at this cover body, the dividing plate of described second air admission hole and adjacent corresponding respectively this avris of described second venthole, and lay respectively at two opposition sides of this dividing plate with this heat radiation module, make air flow into this room, and flow out this room by described second venthole along this dividing plate respectively by described second air admission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200017825U CN201363576Y (en) | 2009-02-25 | 2009-02-25 | Light emitting diode lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200017825U CN201363576Y (en) | 2009-02-25 | 2009-02-25 | Light emitting diode lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363576Y true CN201363576Y (en) | 2009-12-16 |
Family
ID=41474241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200017825U Expired - Lifetime CN201363576Y (en) | 2009-02-25 | 2009-02-25 | Light emitting diode lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363576Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537863A (en) * | 2010-12-07 | 2012-07-04 | 中国科学院理化技术研究所 | Radiating device for light-emitting diode (LED) lamp |
| CN103874881A (en) * | 2010-04-07 | 2014-06-18 | 西特科照明有限公司 | Lamp housing |
| WO2014121059A1 (en) * | 2013-01-31 | 2014-08-07 | Cree, Inc. | Light-fixture support assembly |
| CN106662320A (en) * | 2014-05-30 | 2017-05-10 | 豪倍公司 | Area luminaire with heat fins |
-
2009
- 2009-02-25 CN CNU2009200017825U patent/CN201363576Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874881A (en) * | 2010-04-07 | 2014-06-18 | 西特科照明有限公司 | Lamp housing |
| CN102537863A (en) * | 2010-12-07 | 2012-07-04 | 中国科学院理化技术研究所 | Radiating device for light-emitting diode (LED) lamp |
| WO2014121059A1 (en) * | 2013-01-31 | 2014-08-07 | Cree, Inc. | Light-fixture support assembly |
| US9435519B2 (en) | 2013-01-31 | 2016-09-06 | Cree, Inc. | Light-fixture support assembly |
| CN106662320A (en) * | 2014-05-30 | 2017-05-10 | 豪倍公司 | Area luminaire with heat fins |
| US10488032B2 (en) | 2014-05-30 | 2019-11-26 | Hubbell Incorporated | Area luminaire with heat fins |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN PINYUAN OPTOELECTRONICS TECHNOLOGY CO., L |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 3/F, NO. 19, HEPING ROAD, BANQIAO CITY, TAIPEI COUNTY, TAIWAN, CHINA TO: 3/F, NO. 19, HEPING ROAD, BANQIAO DISTRICT, XINBEI CITY, TAIWAN, CHINA |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110609 Address after: Banqiao District, New Taipei City Taiwan peace road Chinese No. 19 3 floor Co-patentee after: Dongguan Pinyuan Optoelectronic Technology Co., Ltd. Patentee after: Bright LED Electronics Corp. Address before: Taiwan County, Taipei, China Heping Road, No. 3, building 19 Patentee before: Bright LED Electronics Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |