CN201206817Y - Heat radiating device and led lamp using the same - Google Patents
Heat radiating device and led lamp using the same Download PDFInfo
- Publication number
- CN201206817Y CN201206817Y CNU2008200940229U CN200820094022U CN201206817Y CN 201206817 Y CN201206817 Y CN 201206817Y CN U2008200940229 U CNU2008200940229 U CN U2008200940229U CN 200820094022 U CN200820094022 U CN 200820094022U CN 201206817 Y CN201206817 Y CN 201206817Y
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- CN
- China
- Prior art keywords
- radiator
- led lamp
- outside plate
- inner panel
- lid
- 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
- 238000001816 cooling Methods 0.000 abstract 3
- 239000003570 air Substances 0.000 description 5
- 230000001678 irradiating effect Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 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
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
An LED light fitting comprises a lamp holder, a first radiator connected with the lamp holder, a second radiator thermally connected with the first radiator, and a plurality of LED module groups arranged on the second radiator; the second radiator is attached at the periphery of the first radiator; and an angle is formed between the outer wall of the second radiator and the lengthwise extension direction of the first radiator. The first radiator and the second radiator of the LED light fitting have compact structure and larger cooling area so as to achieve good cooling of the light fitting in a limited size and solve the cooling problem of high-power LED light fittings. In addition, the LED module groups of the LED light fitting form an angle with the lengthwise extension direction of the first radiator, so that the irradiation angle of the LED module groups can be deflected toward a certain direction, thereby meeting the user-specific lighting needs.
Description
Technical field
The utility model relates to a kind of heat abstractor and uses the led lamp of this device.
Background technology
LED source is as a kind of emerging third generation light source, though can't replace traditional incandescent lamp on a large scale now, it has advantages such as long working life, energy-saving and environmental protection, and is generally had an optimistic view of by market.And the module of being made up of light emitting diode at present can produce light source high-power, high brightness, thus will be widely, revolutionaryly replace traditional conventional lighting sources such as incandescent lamp, and then become the main light source that meets the energy-conserving and environment-protective theme.
Yet the heat that the light emitting diode that power, brightness are big more or its module produce is big more, and is difficult to distribute in the less relatively led lamp of volume.So light emitting diode remains at big heat dissipation technology bottleneck, this also is the most crucial part of difficult breakthrough of high-power at present, the high brightness LED lamp tool marketization.The general heat sink conception of industry is that a radiator is set in this light fixture at present, heat is dispersed in the surrounding air with the mode that the free convection air contacts by this spreader surface.So satisfy the LED light lamp radiating requirements of high power, high brightness so that it can operate as normal prevent light decay, just must provide area of dissipation very big radiator.The common like this radiator shared volume in light fixture that can cause is big, and overall lamp is specifically long-pending also big, makes this fitting structure volume be difficult to apply in room lighting greatly.
In addition, because light emitting diode all has certain irradiating angle, and the light emitting diode in the led lamp all is arranged on the straight circuit board usually, makes the irradiated area of light fixture limited, all is difficult to make the user satisfied under a lot of situations.
The utility model content
In view of this, be necessary to provide a kind of and have smaller size smaller and heat radiation is good, can realize the led lamp of the illumination of specific direction again.
A kind of led lamp, it comprises a lamp socket, one first radiator that is connected with this lamp socket, with hot linked one second radiator of this first radiator and be installed on some light emitting diode module on described second radiator, described second radiator posts in the described first radiator periphery, and the lengthwise bearing of trend of the outer wall of second radiator and first radiator is an angle.
A kind of heat abstractor that is used for led lamp, comprise that one first radiator reaches and hot linked one second radiator of this first radiator, described first radiator is tubular, described second radiator posts in the described first radiator periphery, and the lengthwise bearing of trend of the outer wall of second radiator and first radiator is an angle.
First radiator of this led lamp and the second heat spreader structures compactness, and have big area of dissipation, can in limited volume, realize the good heat radiating of light fixture, and then solve the heat dissipation problem of High Power LED light fixture.The lengthwise bearing of trend of the light emitting diode module of this led lamp and first radiator is an angle in addition, makes its irradiating angle towards the certain orientation beat, thereby satisfies the illumination needs of user's specific direction.
With reference to the accompanying drawings, the utility model will be further described in conjunction with specific embodiments.
Description of drawings
Fig. 1 is the three-dimensional exploded view of first embodiment of the utility model led lamp.
Fig. 2 is the three-dimensional combination figure of led lamp among Fig. 1.
Fig. 3 is the three-dimensional combination figure of first radiator and some second radiators among Fig. 1.
Fig. 4 is the three-dimensional combination figure of second embodiment of the utility model led lamp.
The specific embodiment
Please refer to Fig. 1-2, the utility model led lamp comprises a lamp socket 10, first radiator 20 that is connected with this lamp socket 10, light emitting diode module 30 on one second radiator (figure is mark) of these first radiator, 20 peripheries and some outer walls that is sticked at the body 40 of second radiator is sticked.
Please also refer to Fig. 3, first radiator 20 is made into integration by the good material of heat conductivility such as metal material such as aluminium, copper or its alloy.These first radiator, 20 integral body are cylindric, have an elongated tubular cylindrical shell 22 in the middle of it, and there is a through hole 25 at these cylindrical shell 22 centers.The inwall of this cylindrical shell 22 is along fin 24 in the some bar shapeds of having extended radially inwardly of this cylindrical shell 22, fin 24 distributes symmetrically about the central axis of this cylindrical shell 22 in these, thickness of fin 24 inwardly reduces gradually from the inwall of cylindrical shell 22 in these, and the drift angle tip is passivated shape so its cross section roughly is acute triangle.The outer wall of this cylindrical shell 22 is along its some Thermal Arms 26 that extended radially outwardly, these Thermal Arms 26 distribute symmetrically about the central axis of this cylindrical shell 22, the quantity of corresponding body 40 of the quantity of these Thermal Arms 26 and light emitting diode module 30, so in different embodiment, can be different quantity, and be six Thermal Arms 26 of corresponding six bodies 40 and light emitting diode module 30 in the present embodiment.The extended line of these Thermal Arms 26 will intersect at the central axis of this cylindrical shell 22, this Thermal Arm 26 is vertically extended some to outer-finned 260 by its both sides, all about Thermal Arm 26 symmetries of correspondence, and the length of these outer-finneds 260 increases from inside to outside gradually to outer-finned 260 for each.The terminal of each Thermal Arm 26 all is connected with outer-finned 260 inner surfaces of outermost end, so the outer surface of each Thermal Arm 26 outermost a pair of outer-finned 260 is a smooth surfaces.The bottom of this cylindrical shell 22 extends downwards and forms exntension tubs 28, and these exntension tubs 28 match so that first radiator 20 is installed on the lamp socket 10 with the joint portion 160 of second lid 16.These exntension tubs 28 can combine in several ways with joint portion 160, for example, can screw thread all be set at exntension tubs 28 on joint portion 160 both are screwed on.
Second radiator is made up of some bodies 40 that adhere on first radiator, 20 peripheries, and each body 40 is wedge, and it highly from bottom to top increases gradually.Each body 40 comprises an inner panel 42, an outside plate 43 and connects some connecting plates 44 of this inner panel 42 and outside plate 43.This inner panel 42 is sticked on the outermost outer-finned 260 of first radiator 20, thereby and its equally with smooth surface of outermost a pair of outer-finned 260 size just coincide.Outside plate 43 is inclined upwardly from the bottom of inner panel 42 to extend and forms, and the spacing between outside plate 43 and the inner panel 42 is increase gradually from bottom to top.Some connecting plates 44 flatly are connected between inner panel 42 and the outside plate 43, and the length of connecting plate 44 also from bottom to top increases gradually.Form the runner 45 that air feed stream passes through between adjacent two connecting plates 44.
Light emitting diode module 30 comprises a rectangular circuit board 32, and the shape size of this circuit board 32 is suitable with the outside plate 43 of body 40, and several light-emitting diodes 34 are installed on this circuit board 32 side by side.
This led lamp is when assembling, and screw rod spare passes the installing hole 1420 of first lid 14 and the screwhole spiro bonding of second lid 16, and first and second lid 14,16 is combined.The exntension tubs 28 of the bottom of first radiator 20 are fixedlyed connected with the joint portion 160 on second lid 16.Each body 40 of second radiator be sticked each of first radiator 20 to outermost outer-finned 260 on.Light emitting diode module 30 posts respectively on the outside plate 43 of each body 40 again.Between light emitting diode module 30 and the corresponding outside plate 43, can fill heat-conducting medium between the inner panel 42 of body 40 and the corresponding outer-finned 260, to increase the capacity of heat transmission between them as heat-conducting glue and so on.
This led lamp in use, light emitting diode module 30 is transmitted to the heat that comes out on the outside plate 43 of the body 40 that is in contact with it, and further evenly is delivered on the whole body 40 and first radiator 20 again.The outer wall of the cylindrical shell 22 of this first radiator 20, Thermal Arm 26 and outer-finned 260 directly contact with ambient air heat is dispersed in the ambient air and go.And the through hole 25 in the cylindrical shell 22 of first radiator 20 is communicated with the space of first and second lid 14,16 formation and form a current path, air can be entered from the passage 166 of this second lid 16, in cylindrical shell 22, be heated again with its inner surface heat exchange, last via through holes 25 flows out takes away heat, perhaps when this led lamp and opposite location shown in Figure 2 are placed, air can enter from the bottom of cylindrical shell 22, through hole 25 in cylindrical shell 22 is taken away heat from passage 166 outflows of this second lid 16 then.First radiator 20 of this led lamp and the body 40 of second radiator match, its compact conformation, has bigger area of dissipation again, can strengthen airflow effectively and strengthen the area that first radiator 20 contacts with air-flow with the current path that lamp socket 10 forms circulation in this first radiator 20 simultaneously, thereby well solve the heat dissipation problem of this High Power LED module 30.
Because of light emitting diode module 30 is subjected to the restriction of certain irradiating angle, wide all being distributed in along in 30 ° of scopes of vertical line of light emitting diode module 30 that it sends.And the head portion of the outside plate 43 of the body 40 of second radiator in the present embodiment outwards protrudes out, make the light emitting diode module 30 that is sticked on outside plate 43 and the lengthwise bearing of trend of first radiator 20 that certain included angle be arranged, so the irradiating angle of light emitting diode module 30 when vertically being provided with mutually specific energy to the following beat of horizontal line, its downward irradiated area is increased, to satisfy the illumination needs of user under this angle.
Fig. 4 shows second embodiment of the utility model led lamp.First radiator 20 that identical with the led lamp among the last embodiment, the led lamp in the present embodiment also comprises a lamp socket 10, connect with this lamp socket 10, be sticked in second radiator of these first radiator, 20 peripheries and the light emitting diode module 30 on some corresponding each body 40a that is sticked at second radiator.The architectural feature of the counterpart member of the led lamp among the structure of these members and the last embodiment is all identical, just the body 40a in the present embodiment is inverted to be provided with by the body among the last embodiment 40 to form, and also is that the height of body 40a from bottom to top reduces gradually.The body 40a of the She Zhiing irradiating angle that can make light emitting diode module 30 increases its irradiated area that makes progress, to satisfy the illumination needs of user under this angle to beat above the horizon like this.
Claims (16)
1. led lamp, it comprises a lamp socket, one first radiator that is connected with this lamp socket, with hot linked one second radiator of this first radiator and be installed on some light emitting diode module on described second radiator, it is characterized in that: described second radiator posts in the described first radiator periphery, and the lengthwise bearing of trend of the outer wall of second radiator and first radiator is an angle.
2. led lamp as claimed in claim 1 is characterized in that: described first radiator is tubular, and described second radiator is made up of some bodies that adhere on the first radiator periphery.
3. led lamp as claimed in claim 2, it is characterized in that: described each body comprises that one is sticked to be inclined upwardly at the inner panel of the first radiator periphery and by the bottom of inner panel and extends the outside plate that forms, and described light emitting diode module is sticked on the outside plate of body.
4. led lamp as claimed in claim 2, it is characterized in that: described each body comprises that one is sticked and extends the outside plate that forms at the inner panel of the first radiator periphery and by the top downward of inner panel, and described light emitting diode module is sticked on the outside plate of body.
5. as claim 3 or 4 described led lamps, it is characterized in that: described each body also comprises the connecting plate of some connection inner panels and outside plate, forms the runner that air feed stream passes through between the per two adjacent connecting plates.
6. led lamp as claimed in claim 2 is characterized in that: described first radiator comprises a hollow cylinder, and described lamp socket is provided with some passages, and described passage and described cylinder lumen form a current path.
7. led lamp as claimed in claim 6 is characterized in that: described inner barrel is formed with some interior fins, and its thickness reduces to free end gradually from root.
8. led lamp as claimed in claim 6 is characterized in that: described cylinder body outer wall extends and is provided with some Thermal Arms that the axis about described cylindrical shell distributes symmetrically, and described Thermal Arm both sides are formed with some outer-finneds.
9. led lamp as claimed in claim 8, it is characterized in that: the outer-finned of described Thermal Arm both sides is perpendicular to Thermal Arm and about described Thermal Arm symmetry, and the length of the outer-finned of each Thermal Arm the same side is increased progressively to the free end direction by the root of described Thermal Arm.
10. led lamp as claimed in claim 9 is characterized in that: the outer surface of the outermost a pair of outer-finned of described first radiator is a plane that contacts with the body of described second radiator.
11. led lamp as claimed in claim 6, it is characterized in that: described lamp socket comprise a standard crown top of burner, bowl-shape first lid that is connected with the described crown top of burner and with bowl-shape second lid of the described first lid make-up, described passage is arranged on described first lid.
12. led lamp as claimed in claim 11 is characterized in that: the top of described second lid forms a joint portion, and the bottom of described first radiator forms exntension tubs that are connected with described joint portion.
13. heat abstractor that is used for led lamp, comprise that one first radiator reaches and hot linked one second radiator of this first radiator, it is characterized in that: described first radiator is tubular, described second radiator posts in the described first radiator periphery, and the lengthwise bearing of trend of the outer wall of second radiator and first radiator is an angle.
14. the heat abstractor that is used for led lamp as claimed in claim 13, it is characterized in that: described second radiator comprises some bodies, and each body comprises that one is sticked to be inclined upwardly at the inner panel of the first radiator periphery and by the bottom of inner panel and extends the outside plate that forms.
15. the heat abstractor that is used for led lamp as claimed in claim 13, it is characterized in that: described second radiator comprises some bodies, and each body comprises that one is sticked and extends the outside plate that forms at the inner panel of the first radiator periphery and by the top downward of inner panel.
16. as claim 14 or the 15 described heat abstractors that are used for led lamp, it is characterized in that: described each body also comprises the connecting plate of some connection inner panels and outside plate, forms the runner that air feed stream passes through between the per two adjacent connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200940229U CN201206817Y (en) | 2008-05-23 | 2008-05-23 | Heat radiating device and led lamp using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200940229U CN201206817Y (en) | 2008-05-23 | 2008-05-23 | Heat radiating device and led lamp using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206817Y true CN201206817Y (en) | 2009-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200940229U Expired - Fee Related CN201206817Y (en) | 2008-05-23 | 2008-05-23 | Heat radiating device and led lamp using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201206817Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424394B (en) * | 2007-11-02 | 2010-09-08 | 富准精密工业(深圳)有限公司 | Heat radiating device and led lamp using the same |
| WO2015149308A1 (en) * | 2014-04-02 | 2015-10-08 | 方与圆电子(深圳)有限公司 | Illumination device and manufacturing method thereof |
| JP2019125592A (en) * | 2019-05-13 | 2019-07-25 | 東芝ライテック株式会社 | Luminaire |
-
2008
- 2008-05-23 CN CNU2008200940229U patent/CN201206817Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424394B (en) * | 2007-11-02 | 2010-09-08 | 富准精密工业(深圳)有限公司 | Heat radiating device and led lamp using the same |
| WO2015149308A1 (en) * | 2014-04-02 | 2015-10-08 | 方与圆电子(深圳)有限公司 | Illumination device and manufacturing method thereof |
| JP2019125592A (en) * | 2019-05-13 | 2019-07-25 | 東芝ライテック株式会社 | Luminaire |
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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: 20090311 Termination date: 20160523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |