CN201284939Y - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN201284939Y CN201284939Y CNU2008202025056U CN200820202505U CN201284939Y CN 201284939 Y CN201284939 Y CN 201284939Y CN U2008202025056 U CNU2008202025056 U CN U2008202025056U CN 200820202505 U CN200820202505 U CN 200820202505U CN 201284939 Y CN201284939 Y CN 201284939Y
- Authority
- CN
- China
- Prior art keywords
- led
- light fixture
- heat
- led light
- radiating substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000012634 fragment Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 19
- 230000000191 radiation effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 13
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000005286 illumination Methods 0.000 description 4
- 241000700647 Variola virus Species 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
The utility model discloses an LED lamp, and aims at providing an LED lamp with simple structure, small volume, best heat radiation effect and long service life, which comprises an LED heat radiation substrate (2), a metal heat radiation element (3), a shell (5) and a driving circuit board component (6), wherein, the LED heat radiation substrate (2) is fixedly connected with at least one LED chip (1), and the metal heat radiation element (3) is connected with the LED heat radiation substrate (2) and transfers and radiates the heat, and the driving circuit board component (6) is arranged inside the shell (5); the LED lamp also comprises a heat radiation fan (4), and the metal heat radiation element (3) is arranged between the heat radiation fan (4) and the LED heat radiation substrate (2). The LED lamp can be widely applied to the LED illuminating field.
Description
Technical field
The utility model relates to a kind of LED light fixture.
Background technology
LED has long advantage of luminous efficiency height, power saving and life-span, and it is used more and more widely.LED is applied to normal lighting, in order to reach illumination requirement, generally a plurality of power-type LEDs to be concentrated on the light fixture and use, therefore the heat radiation of LED becomes a key factor that influences LED light fixture user mode and life-span, especially for high-power LED lamp, heat dissipation problem has become a technical bottleneck that influences its extensive use.Existing LED light fixture all belongs to passive heat radiation, promptly fin or the similar device by radiator dispels the heat, in order to improve radiating effect, need increase area of dissipation as far as possible, cause existing LED light fixture overall volume generally bigger thus, radiator structure complexity, and its radiating effect and unsatisfactory.
This shows that existing technology has the following disadvantages: complex structure, volume is bigger, and radiating effect is not good, and service life is short.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, volume is little, the LED light fixture of excellent in heat dissipation effect, long service life.
The technical scheme that the utility model adopted is: the utility model comprises LED heat-radiating substrate, metal heat sink, housing, drive circuit board component, fixedly connected at least one led chip on the described LED heat-radiating substrate, described metal heat sink is connected with described LED heat-radiating substrate and heat loss through conduction, described drive circuit board component is positioned at described housing, described LED light fixture also comprises radiator fan, and described metal heat sink is between described radiator fan and described LED heat-radiating substrate.
Described LED light fixture also comprises reflector, and described LED heat-radiating substrate is positioned at described reflector together with described led chip.
Described reflector adopts the thermal conductive metallic material manufacturing, and the afterbody of described reflector contacts with described metal heat sink and dispels the heat.
Described LED light fixture also comprises ring-shaped article, shell fragment, clamp is installed, and described ring-shaped article is placed in the opening part of described reflector, and described installation shell fragment, described clamp are connected with described ring-shaped article.
Described LED light fixture also comprises holder, and described metal heat sink and described radiator fan are fixedly connected by described holder.
All be fixedly connected with a cofferdam in the periphery of each described led chip on the described LED heat-radiating substrate, be filled with fluorescent material and optical resin in the described cofferdam.
Described LED heat-radiating substrate is provided with the LED protective cover together with the outside of described led chip.
Described housing is provided with louvre.
Described metal heat sink is a gilled radiator.
The beneficial effects of the utility model are: because the utility model comprises the LED heat-radiating substrate, metal heat sink, fixedly connected at least one led chip on the described LED heat-radiating substrate, described metal heat sink is connected with described LED heat-radiating substrate and heat loss through conduction, described LED light fixture also comprises radiator fan, described metal heat sink is between described radiator fan and described LED heat-radiating substrate, when the utility model illumination work, described radiator fan is together running also, can produce heat when described led chip is luminous, the heat that is produced is transmitted to described metal heat sink by described LED heat-radiating substrate, described metal heat sink is dispelled the heat as existing radiator " passive type ", a part of heat is dispersed in the ambient air, simultaneously, under the effect of described radiator fan, another part heat can be siphoned away or blow away by described radiator fan, produced the forced heat radiation effect of " active " heat radiation, so good heat dissipation effect, can avoid led chip at high temperature to work, effectively increase the service life, because the existence of forced heat radiation, therefore can dwindle the volume of described metal heat sink, so the utility model is simple in structure, volume is little, excellent in heat dissipation effect, long service life;
Because reflector described in the utility model adopts the thermal conductive metallic material manufacturing, the afterbody of described reflector contacts with described metal heat sink and dispels the heat, the heat that produces when therefore described reflector also can be worked led chip distributes a part, so the utility model radiating effect is better;
Because the utility model also comprises ring-shaped article, shell fragment, clamp is installed, described ring-shaped article is placed in the opening part of described reflector, described installation shell fragment, described clamp are connected with described ring-shaped article, therefore the utility model can be used as Ceiling light, be installed on the ceiling, so the utility model has wide range of applications;
Owing to all be fixedly connected with a cofferdam in the periphery of each described led chip on the LED heat-radiating substrate described in the utility model, be filled with fluorescent material and optical resin in the described cofferdam, described cofferdam makes when filling fluorescent material and optical resin in process of production, fluorescent material and not overflow of optical resin, effective, so the utility model production efficiency height.
Description of drawings
Fig. 1 is the blast structural representation of an embodiment of the utility model;
Fig. 2 is the assembly structure schematic diagram of the utility model embodiment shown in Figure 1.
The specific embodiment
As Fig. 1, shown in Figure 2, present embodiment is the Down lamp that is applied in the ceiling, comprise LED heat-radiating substrate 2, metal heat sink 3, radiator fan 4, housing 5, drive circuit board component 6, reflector 7, holder 34, ring-shaped article 81, shell fragment 82 is installed, clamp 83, fixedly connected 4 high-power LED chips 1 on the described LED heat-radiating substrate 2, all be fixedly connected with a cofferdam 21 in the periphery of each described led chip 1 on the described LED heat-radiating substrate 2, be filled with fluorescent material and optical resin in the described cofferdam 21, described cofferdam 21 makes when filling fluorescent material and optical resin in process of production, fluorescent material and not overflow of optical resin, effective, the production efficiency height, described LED heat-radiating substrate 2 is provided with LED protective cover 9 together with the outside of described led chip 1, described metal heat sink 3 is a gilled radiator, described housing 5 is provided with louvre 51, described metal heat sink 3 is connected with described LED heat-radiating substrate 2 and heat loss through conduction, described radiator fan 4 and described drive circuit board component 6 are positioned at described housing 5, described metal heat sink 3 is between described radiator fan 4 and described LED heat-radiating substrate 2, described metal heat sink 3 is fixedly connected by described holder 34 with described radiator fan 4, described LED heat-radiating substrate 2 is positioned at described reflector 7 together with described led chip 1, described reflector 7 adopts the aluminium manufacturing, can certainly adopt other thermal conductive metallic material manufacturings, the afterbody of described reflector 7 contacts with described metal heat sink 3 and dispels the heat, described ring-shaped article 81 is placed in the opening part of described reflector 7, described ring-shaped article 81 has decoration function and also makes things convenient for light fixture to embed smallpox simultaneously, described installation shell fragment 82, described clamp 83 is connected with described ring-shaped article 81, installs so that embed smallpox.
The utility model is when illumination work, described radiator fan 4 is together running also, described led chip 1 can produce heat when luminous, the heat that is produced is transmitted to described metal heat sink 3 by described LED heat-radiating substrate 2, described metal heat sink 3 is dispelled the heat as existing radiator " passive type ", a part of heat is dispersed in the ambient air, simultaneously, under the effect of described radiator fan 4, another part heat can be siphoned away or blow away by described radiator fan 4, has produced the forced heat radiation effect of " active " heat radiation, so good heat dissipation effect, can avoid led chip 1 at high temperature to work, therefore effectively increase the service life, owing to the existence of forced heat radiation can dwindle the volume of described metal heat sink 3, to sum up, the present invention is simple in structure, volume is little, excellent in heat dissipation effect, long service life.Through contrast test, under the identical situation of other conditions, power is all the LED light fixture of 80W, temperature when not having radiator fan during its work can reach 80 ℃, and have under the situation of radiator fan of the present invention, its operating temperature can be reduced to 40 ℃, this shows, the present invention has improved the radiating effect of LED light fixture greatly.
LED light fixture of the present utility model is not limited to a kind of form of Ceiling light among the embodiment, can also make other forms such as bulkhead lamp capable and be applied to indoor different places.The utility model has overcome the inadequate natural endowment of passive heat radiation in the prior art, by setting up the radiator fan of active heat radiation, make that the heat radiation collection active heat removal and the passive heat radiation of light fixture are one, having improved the radiating effect of LED light fixture greatly, is the innovation of a uniqueness in the LED field of lamp illumination in fact.The number of described led chip 1 also is not limited to described in the embodiment, can change according to the difference of power requirement.
The utility model can be widely used in the LED lighting field.
Claims (9)
1, a kind of LED light fixture, comprise LED heat-radiating substrate (2), metal heat sink (3), housing (5), drive circuit board component (6), described LED heat-radiating substrate (2) is gone up fixedly connected at least one led chip (1), described metal heat sink (3) is connected with described LED heat-radiating substrate (2) and heat loss through conduction, described drive circuit board component (6) is positioned at described housing (5), it is characterized in that: described LED light fixture also comprises radiator fan (4), and described metal heat sink (3) is positioned between described radiator fan (4) and the described LED heat-radiating substrate (2).
2, LED light fixture according to claim 1 is characterized in that: described LED light fixture also comprises reflector (7), and described LED heat-radiating substrate (2) is positioned at described reflector (7) together with described led chip (1).
3, LED light fixture according to claim 2 is characterized in that: described reflector (7) adopts the thermal conductive metallic material manufacturing, and the afterbody of described reflector (7) contacts with described metal heat sink (3) and dispels the heat.
4, LED light fixture according to claim 2, it is characterized in that: described LED light fixture also comprises ring-shaped article (81), shell fragment (82), clamp (83) is installed, described ring-shaped article (81) is placed in the opening part of described reflector (7), and described installation shell fragment (82), described clamp (83) are connected with described ring-shaped article (81).
5, LED light fixture according to claim 1 is characterized in that: described LED light fixture also comprises holder (34), and described metal heat sink (3) is fixedly connected by described holder (34) with described radiator fan (4).
6, LED light fixture according to claim 1 is characterized in that: described LED heat-radiating substrate (2) is gone up and all is fixedly connected with a cofferdam (21) in the periphery of each described led chip (1), and described cofferdam is filled with fluorescent material and optical resin in (21).
7, LED light fixture according to claim 1 is characterized in that: described LED heat-radiating substrate (2) is provided with LED protective cover (9) together with the outside of described led chip (1).
8, LED light fixture according to claim 1 is characterized in that: described housing (5) is provided with louvre (51).
9, LED light fixture according to claim 1 is characterized in that: described metal heat sink (3) is a gilled radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202025056U CN201284939Y (en) | 2008-10-27 | 2008-10-27 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202025056U CN201284939Y (en) | 2008-10-27 | 2008-10-27 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284939Y true CN201284939Y (en) | 2009-08-05 |
Family
ID=40949923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202025056U Expired - Fee Related CN201284939Y (en) | 2008-10-27 | 2008-10-27 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284939Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121614A (en) * | 2011-04-11 | 2011-07-13 | 哈尔滨万瑞光电仪器有限公司 | Single-particle high-power LED (light emitting diode) lamp for illumination |
| CN102759025A (en) * | 2011-04-28 | 2012-10-31 | 东莞勤上光电股份有限公司 | A cup-shaped LED lamp and its heat dissipation structure |
-
2008
- 2008-10-27 CN CNU2008202025056U patent/CN201284939Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121614A (en) * | 2011-04-11 | 2011-07-13 | 哈尔滨万瑞光电仪器有限公司 | Single-particle high-power LED (light emitting diode) lamp for illumination |
| CN102759025A (en) * | 2011-04-28 | 2012-10-31 | 东莞勤上光电股份有限公司 | A cup-shaped LED lamp and its heat dissipation structure |
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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: 20090805 Termination date: 20171027 |