CN201779608U - Heat dissipating device for LED lamp - Google Patents
Heat dissipating device for LED lamp Download PDFInfo
- Publication number
- CN201779608U CN201779608U CN2010205305959U CN201020530595U CN201779608U CN 201779608 U CN201779608 U CN 201779608U CN 2010205305959 U CN2010205305959 U CN 2010205305959U CN 201020530595 U CN201020530595 U CN 201020530595U CN 201779608 U CN201779608 U CN 201779608U
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- CN
- China
- Prior art keywords
- led lamp
- cylinder body
- radiating cylinder
- heat
- heat abstractor
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- 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 - Lifetime
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a heat dissipating device for an LED lamp, which is characterized in that a heat dissipation cylinder body is included, a sealed convex part is arranged at one end of the heat dissipation cylinder body and in a through hole of an LED baseplate, the end surface of the convex part can be welded together with the bottom surface of the LED lamp, the electrode of the LED lamp is welded on the baseplate, and a heat conduction board is arranged on the bottom surface of the LED lamp and is welded together with the convex part. The utility model aims to overcome the defects in the prior art, and provides the heat dissipating device which has good radiating effect and is suitable for LEDs with high power and surface mounted LED lamps.
Description
[technical field]
The utility model relates to a kind of heat abstractor of LED lamp.
[background technology]
Because LED when rated power is worked, produces a large amount of heats, can not in time dissipate as this heat, then can accelerate the light decay of LED lamp and shorten its service life.Chinese patent 200620156493.9, a kind of heat abstractor of high-capacity LED lamp is disclosed, it comprises substrate, LED lamp and heat sink, substrate is provided with penetrating mounting holes, the LED lamp is installed in this installing hole, the electrode of LED lamp is connected in substrate front side, is abutted against mutually between the heat-conducting plate of LED lamp and the heat sink and constitutes direct heat to conduct.The radiating effect of this radiator is not thorough, especially the paster LED lamp is not had positive thermolysis.
[utility model content]
The utility model purpose is to have overcome weak point of the prior art, and a kind of good heat dissipation effect is provided, and the heat abstractor of not only suitable great power LED but also suitable paster LED lamp.
In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposal:
A kind of heat abstractor of LED lamp, it is characterized in that: comprise radiating cylinder body, on described radiating cylinder body one end, be provided with the protuberance of a sealing, described protuberance is arranged in the through hole of LED substrate, can weld together with the bottom surface of LED lamp at described protuberance end face, described its electrode of LED lamp is welded on the described substrate.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that being provided with heat-conducting plate on the bottom surface of described LED lamp, and described heat-conducting plate and described protuberance weld together.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that being provided with a plurality of heat radiation through holes on described radiating cylinder body.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that being provided with screw thread in the described radiating cylinder body outside, is connected with the secondary radiator in the described radiating cylinder body outside.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that being equiped with radiator liquid in the cavity that described secondary radiator and radiating cylinder body surround.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that described secondary radiator comprises the hollow housing of the end sealing of one section sealing, is provided with screw thread on described housing other end inboard, and described housing is screwed on the described radiating cylinder body.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that being provided with fin in the described radiating cylinder body outside.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that described radiating cylinder body is the copper cylindrical shell.
The heat abstractor of aforesaid a kind of LED lamp is characterized in that described substrate is the PCB circuit board.
The utility model compared with prior art has following advantage:
The heat-conducting plate of LED lamp can be welded to each other and constitute the heat conduction of zero thermal resistance in the utility model with radiating cylinder body protuberance end face, a large amount of heats that the heat-conducting plate of this LED lamp produces when luminous directly are transmitted to radiating cylinder body by heat exchange pattern, formation electric heating separates, heat radiation is exceedingly fast, realize zero thermal resistance heat radiation, can be provided with the heat conduction through hole on the shell body of radiating cylinder body, heat is effectively taken away heat when air flow stream is crossed the heat conduction through hole.On the shell body of radiating cylinder body, can also be provided with screw thread, on radiating cylinder body, can be connected with the secondary radiator, realize the secondary heat radiation, strengthen radiating effect, thereby effectively prolong the service life of LED lamp.The utility model is simple in structure, practicality.
[description of drawings]
Fig. 1 is an overlooking surface schematic diagram of the present utility model;
Fig. 2 is the generalized section of A-A among Fig. 1;
Fig. 3 is the generalized section that heat-conducting plate is connected with radiating cylinder body;
Fig. 4 is the schematic diagram of first kind of embodiment of radiating cylinder body;
Fig. 5 is the generalized section of the another kind of welding manner of LED lamp;
Fig. 6 is the schematic diagram of second kind of embodiment of radiating cylinder body.
[specific embodiment]
Below in conjunction with accompanying drawing the utility model is described in detail:
The heat abstractor of a kind of LED lamp shown in Fig. 1 to 6, comprise radiating cylinder body 1, described radiating cylinder body 1 is the copper cylindrical shell, on described radiating cylinder body 1 one ends, be provided with the protuberance 2 of a sealing, described protuberance 2 is arranged in the through hole 4 of LED substrate 3, can weld together with the bottom surface heat-conducting plate 6 of LED lamp 5 at described protuberance 2 end faces, described LED lamp 5 its electrodes 7 are welded on the described substrate 3, and described substrate 3 is the PCB circuit board.
First of radiating cylinder body a kind of embodiment is provided with a plurality of heat radiation through holes 8 as shown in Figure 4 in the utility model on described radiating cylinder body 1.
Second of radiating cylinder body a kind of embodiment such as Fig. 2 in the utility model shown in 3 and 6, are provided with screw thread 9 in described radiating cylinder body 1 outside, are connected with secondary radiator 10 in described radiating cylinder body 1 outside.In the cavity that described secondary radiator 10 and radiating cylinder body 1 surround, be equiped with radiator liquid 11.Described secondary radiator 10 comprises the hollow housing 101 of the end sealing of one section sealing, is provided with screw thread on described housing 101 other end inboards, and described housing 101 is screwed on the described radiating cylinder body 1.
The third embodiment of radiating cylinder body 1 of the present utility model is to be provided with fin in described radiating cylinder body 1 outside.
The heat-conducting plate 6 of LED lamp 5 can be welded to each other and constitute the heat conduction of zero thermal resistance in the utility model with radiating cylinder body 1 protuberance 2 end faces, a large amount of heats that the heat-conducting plate 6 of this LED lamp 5 produces LED lamp 5 when luminous directly are transmitted to radiating cylinder body 1 by heat exchange pattern, formation electric heating separates, heat radiation is exceedingly fast, realize zero thermal resistance heat radiation, can be provided with heat conduction through hole 8 on the shell body of radiating cylinder body 1, heat is effectively taken away heat when air flow stream is crossed heat conduction through hole 8.On the shell body of radiating cylinder body 1, can also be provided with screw thread 9, on radiating cylinder body 1, can be connected with secondary radiator 10, realize the secondary heat radiation, strengthen radiating effect, thereby effectively prolong the service life of LED lamp 5.
Claims (9)
1. the heat abstractor of a LED lamp, it is characterized in that: comprise radiating cylinder body (1), on described radiating cylinder body (1) one end, be provided with the protuberance (2) of a sealing, described protuberance (2) is arranged in the through hole (4) of LED substrate (3), can weld together with the bottom surface of LED lamp (5) at described protuberance (2) end face, its electrode of described LED lamp (5) (7) is welded on the described substrate (3).
2. the heat abstractor of a kind of LED lamp according to claim 1 is characterized in that being provided with heat-conducting plate (6) on the bottom surface of described LED lamp (5), described heat-conducting plate (6) welds together with described protuberance (2).
3. the heat abstractor of a kind of LED lamp according to claim 1 is characterized in that being provided with a plurality of heat radiation through holes (8) on described radiating cylinder body (1).
4. the heat abstractor of a kind of LED lamp according to claim 1 is characterized in that being provided with screw thread (9) in described radiating cylinder body (1) outside, is connected with secondary radiator (10) in described radiating cylinder body (1) outside.
5. the heat abstractor of a kind of LED lamp according to claim 4 is characterized in that being equiped with radiator liquid (11) in the cavity that described secondary radiator (10) and radiating cylinder body (1) surround.
6. according to the heat abstractor of claim 4 or 5 described a kind of LED lamps, it is characterized in that described secondary radiator (10) comprises the hollow housing (101) of the end sealing of one section sealing, be provided with screw thread on described housing (101) other end inboard, described housing (101) is screwed on the described radiating cylinder body (1).
7. the heat abstractor of a kind of LED lamp according to claim 1 is characterized in that being provided with fin in described radiating cylinder body (1) outside.
8. the heat abstractor of a kind of LED lamp according to claim 1 is characterized in that described radiating cylinder body (1) is the copper cylindrical shell.
9. the heat abstractor of a kind of LED lamp according to claim 1 is characterized in that described substrate (3) is the PCB circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205305959U CN201779608U (en) | 2010-09-16 | 2010-09-16 | Heat dissipating device for LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205305959U CN201779608U (en) | 2010-09-16 | 2010-09-16 | Heat dissipating device for LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779608U true CN201779608U (en) | 2011-03-30 |
Family
ID=43792819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205305959U Expired - Lifetime CN201779608U (en) | 2010-09-16 | 2010-09-16 | Heat dissipating device for LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936513A (en) * | 2010-09-16 | 2011-01-05 | 魏展生 | Radiation device for LED lamp |
| CN103697444A (en) * | 2013-12-10 | 2014-04-02 | 华侨大学 | LED (light emitting diode) light source heat radiator integral structure |
-
2010
- 2010-09-16 CN CN2010205305959U patent/CN201779608U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936513A (en) * | 2010-09-16 | 2011-01-05 | 魏展生 | Radiation device for LED lamp |
| CN103697444A (en) * | 2013-12-10 | 2014-04-02 | 华侨大学 | LED (light emitting diode) light source heat radiator integral structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20130731 |
|
| RGAV | Abandon patent right to avoid regrant |