CN202442305U - Heat radiation structure of LED bulb - Google Patents
Heat radiation structure of LED bulb Download PDFInfo
- Publication number
- CN202442305U CN202442305U CN2012200653907U CN201220065390U CN202442305U CN 202442305 U CN202442305 U CN 202442305U CN 2012200653907 U CN2012200653907 U CN 2012200653907U CN 201220065390 U CN201220065390 U CN 201220065390U CN 202442305 U CN202442305 U CN 202442305U
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- Prior art keywords
- heat conduction
- vertical direction
- led bulb
- cylindrical shell
- radiator structure
- 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
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- 230000005855 radiation Effects 0.000 title description 3
- 239000004020 conductor Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 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
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a heat dissipation structure of an LED bulb, which comprises a vertical heat conduction cylinder body, wherein the upper end and the lower end of the vertical heat conduction cylinder body correspondingly form an upper end opening and a lower end opening; a horizontal heat-conducting fin formed at the upper end opening of the vertical heat-conducting cylinder; and the top end of the outer shell is positioned on the periphery of the opening at the upper end of the heat-conducting cylinder in the vertical direction to form an annular bearing plane. Compared with the prior art, the utility model, not only can reduce the weight of the product, avoid the contact and produce the danger of electric shock, but also can maintain the excellent heat dissipation characteristic, and further reduce the production cost.
Description
Technical field
The utility model is a kind of radiator structure of LED bulb, refers to a kind of radiator structure of providing the LED illuminating module to dispel the heat of being used to especially.
Background technology
Demand in view of environmental protection and power saving; Present LED bulb not only replaces the traditional lighting light fixture gradually; For example desk lamp, wall are with lighting apparatus such as lamp, flashlight and street lamps; Also be widely used in above the various electronic products, for example electronic equipments such as advertisement plate, traffic indication board and LCD screen backlight.Though yet the LED bulb can have under the situation of same brightness more than the low advantage of osram lamp power consumption providing; But high-power LED bulb is when actual operation; Still have the phenomenon that produces high temperature; When high temperature continued promptly can cause the damage of LED bulb for a long time, or cause the decline of luminous efficiency, become the big problem whether the LED light fixture can stably operate so how to solve heat dissipation problem.
For the solution of LED light fixture in heat dissipation problem, be that the function that a radiator structure is carried out heat radiation is set on light fixture at present, this radiator structure generally is made with the metal or alloy that conducts electricity and thermal conductivity is splendid; For example copper metal or aluminium alloy; Wherein a kind of mode of radiator structure is to realize with a horizontal direction contact-making surface, provides the LED illuminating module to install on it, and other outer surfaces that are positioned on the radiator structure then are provided with a plurality of radiating fins; When LED illuminating module running produces high when hot; Heat can absorb via horizontal direction contact-making surface guiding, again via the direct dissipation of radiating fin in air, to reach the purpose that the LED illuminating module is dispelled the heat.
Another kind of mode then is to realize with a vertical direction contact-making surface; Provide a cylindrical shell contact-making surface that LED illuminating module and circuit thereof are coated on wherein; Be positioned at other outer outer surfaces of radiator structure and then be provided with a plurality of radiating fins, when the running of LED illuminating module produces highly when hot, heat can absorb via the guiding of vertical direction contact-making surface; Again via the direct dissipation of radiating fin in air, to reach the purpose that the LED illuminating module is dispelled the heat.
But aforesaid radiator structure is owing to be made through pure aluminum metal generally; Not only cost is comparatively high; And when touching the radiating fin on spreader surface when the improper use of user; Can be easy to cause the danger of electric shock, even the shortcoming that causes skin scald arranged because of the high heat of metal because of the electric leakage of LED illuminating module.
In order effectively to overcome the problem of above-mentioned known technology, the utility model is improved radiator structure by the structural design of plyability and the technology of in-molded (Insert Molding) thoroughly.
The utility model content
The purpose of the utility model is the radiator structure that is to provide a kind of LED bulb, and it can reduce the weight of product, avoids contacting and produces the danger of electric shock, and can keep excellent heat dissipation characteristics simultaneously, and further reduce production cost.
For this reason, the utility model provides a kind of radiator structure of LED bulb, comprising:
The vertical direction heat conduction cylindrical shell of one hollow, vertical direction heat conduction cylindrical shell be two ends corresponding formation one open upper end and a lower ending opening up and down, and a horizontal direction conducting strip is formed on this vertical direction heat conduction cylindrical shell open upper end; And
One shell body coats the outer surface that is arranged at this vertical direction heat conduction cylindrical shell, and this shell body top is positioned at this vertical direction heat conduction cylindrical shell open upper end periphery and constitutes a ring-type load plane.
The radiator structure of aforesaid LED bulb, wherein, this vertical direction heat conduction cylindrical shell is made by thermally conductive materials.
The radiator structure of aforesaid LED bulb, wherein, this horizontal direction conducting strip surface is equipped with a plurality of perforation and a plurality of screw.
The radiator structure of aforesaid LED bulb, wherein, this shell body and this load plane are made with an in-molded mode by insulation and the non-metallic material of thermal conductivity.
The radiator structure of aforesaid LED bulb, wherein, the marriage relation of this vertical direction heat conduction cylindrical shell and this horizontal direction conducting strip is formed in one.
The radiator structure of aforesaid LED bulb, wherein, this horizontal direction conducting strip has outwards extended to form an extension.
The utility model also proposes a kind of radiator structure of LED bulb, and it comprises:
One vertical direction heat conduction cylindrical shell, this vertical direction heat conduction cylindrical shell be two ends corresponding formation one open upper end and a lower ending opening up and down, and forms an extension in this open upper end with horizontal direction;
One shell body coats the outer surface that is arranged at this vertical direction heat conduction cylindrical shell, and this shell body top is positioned at this vertical direction heat conduction cylindrical shell open upper end periphery and constitutes a ring-type load plane.
The radiator structure of aforesaid LED bulb, wherein, this vertical direction heat conduction cylindrical shell is made by thermally conductive materials.
The radiator structure of aforesaid LED bulb, wherein, the surface, extension on this vertical direction heat conduction cylindrical shell is equipped with a plurality of perforation and a plurality of screw.
The radiator structure of aforesaid LED bulb, wherein, this shell body and this load plane are made with an in-molded mode by insulation and the non-metallic material of thermal conductivity.
The radiator structure of aforesaid LED bulb, wherein, the marriage relation of this vertical direction heat conduction cylindrical shell and this extension is formed in one.
The radiator structure of aforesaid LED bulb, wherein, this vertical direction heat conduction cylindrical shell and an expanding water square combine through a lead angle structure to conducting strip, and three's marriage relation is formed in one.
The radiator structure of the LED bulb that the utility model proposes, at first, through the combined cooling structure of vertical direction heat conduction cylindrical shell and horizontal direction conducting strip, more convergence is perfect to make radiating effect; Secondly, by the made shell body of non-conducting material, the more successful contact-making surface with heat transmission is isolated, avoids accidents such as electric shock and scald; Moreover; With in-molded (Insert Molding) non-conductive materials such as plastic are combined with conductive materials such as metalworks; Replace traditional chimeric mode that needs to use conducting resinl, except weight is slimmer and more graceful, more do not worried problem generations such as conducting resinl fusing.
Description of drawings
Fig. 1 is the schematic appearance of the radiator structure of the utility model LED bulb;
Fig. 2 is the profile of the radiator structure of the utility model LED bulb;
Fig. 3 is the generalized section of radiator structure first embodiment behind combination LED illuminating module and lampshade of the LED bulb of the utility model;
Fig. 4 is the generalized section of radiator structure second embodiment behind combination LED illuminating module and lampshade of the LED bulb of the utility model;
Fig. 5 is the generalized section of radiator structure the 3rd embodiment behind combination LED illuminating module and lampshade of the LED bulb of the utility model;
Fig. 6 is the generalized section of radiator structure the 4th embodiment of the LED bulb of the utility model.
The main element label declaration:
The radiator structure of 1 LED bulb
10 vertical direction heat conduction cylindrical shells
10a lead angle structure
12 open upper end
14 lower ending openings
16 horizontal direction conducting strips
The 16a extension
The 16b expanding water is square to conducting strip
162 perforation
164 screws
182 perforation
20 shell bodies
22 load planes
24 caulking grooves
26 fin
30 LED illuminating module
32 leads
40 lampshades
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present:
See also Fig. 1 and shown in Figure 2, be respectively the schematic appearance and the profile of the radiator structure of the utility model LED bulb.As shown in the figure, the radiator structure 1 of the LED bulb of the utility model include one be hollow a vertical direction heat conduction cylindrical shell 10 and a shell body 20; Wherein two ends are corresponding about in the of 10 constitutes an open upper end 12 and a lower ending opening 14 for vertical direction heat conduction cylindrical shell; Vertical direction heat conduction cylindrical shell 10 is that selection is made with conductive metal; Vertical direction heat conduction cylindrical shell 10 open upper end 12 are covered with a horizontal direction conducting strip 16; Horizontal direction conducting strip 16 surfaces are equipped with a plurality of perforation 162 and a plurality of screw 164, and vertical direction heat conduction cylindrical shell 10 lower ending openings 14 surfaces are equipped with a plurality of perforation 182 equally; Shell body 20 is to coat the outer surface that is arranged at vertical direction heat conduction cylindrical shell 10; Shell body 20 tops are positioned at vertical direction heat conduction cylindrical shell 10 open upper end 12 peripheries and constitute a ring-type load plane 22; And be positioned at load plane 22 upper surface periphery rings and be provided with a caulking groove 24; Have a plurality of fin 26 at the outer surface that is positioned at load plane 22 lower surfaces and shell body 20 in addition; And be one radial around the outer surface of being located at shell body 20; And in the utility model, shell body 20, load plane 22 and fin 26 are that to select non-metallic material with insulation and thermal conductivity to form on the vertical direction heat conduction cylindrical shell 10 with integrally formed mode made, and the best is can the thermal conductivity plastics made.
See also shown in Figure 3ly, be the generalized section of radiator structure behind combination LED illuminating module and lampshade of the LED bulb of the utility model.As shown in the figure; The horizontal direction conducting strip 16 of the radiator structure 1 of the LED bulb of the utility model is used to provide a LED illuminating module 30 its surface that is sticked; LED illuminating module 30 can be fixed at the screw 164 on the horizontal direction conducting strip 16 through a plurality of screws; A plurality of leads 32 of LED illuminating module 30 then can wear the perforation 162 on the horizontal direction conducting strip 16 respectively; And, wear out the outside of vertical direction heat conduction cylindrical shell 10 lower ending openings 14 at last by perforation 182 via vertical direction heat conduction cylindrical shell 10 inner extensions, be electrically connected so that be one with a power connection that is connected in vertical direction heat conduction cylindrical shell 10 lower ends (figure does not show); Moreover one is 40 circular-arc on lampshade can see through the surface that is covered on load plane 22 with the fixing of caulking groove 24.
See also shown in Figure 4; This is second embodiment of the utility model; Its characteristic is that horizontal direction conducting strip 16 has outwards been extended to form an extension; This moment, horizontal direction conducting strip 16 was formed in one with the marriage relation of vertical direction heat conduction cylindrical shell 10 or one of two-piece type, made area of dissipation bigger so that radiating effect is better, and other principle is identical with previous embodiment.
See also shown in Figure 5; This is the 3rd embodiment of the utility model; The radiator structure 1 of the utility model LED bulb includes a vertical direction heat conduction cylindrical shell 10; This vertical direction heat conduction cylindrical shell is two ends corresponding formation one open upper end 12 and a lower ending opening 14 about in the of 10, and forms an extension 16a in this open upper end 12 with horizontal direction; One shell body 20 coats the outer surface that is arranged at this vertical direction heat conduction cylindrical shell 10, and these shell body 20 tops are positioned at these vertical direction heat conduction cylindrical shell 10 open upper end 12 peripheries and constitute a ring-type load plane 22, and other principle is identical with previous embodiment.
See also shown in Figure 6; This is the 4th embodiment of the utility model; Vertical direction heat conduction cylindrical shell 10 in the radiator structure of the utility model LED bulb and an expanding water square combine through a lead angle structure 10a to conducting strip 16b, and three's marriage relation is formed in one.This embodiment is through the expanding water square change to the structure of conducting strip 16b and lead angle structure 10a, and more greatly consequently radiating effect is better to make area of dissipation, and other principle is identical with previous embodiment.
Can know through aforesaid explanation; The radiator structure of the LED bulb of the utility model mainly is through with the contacting of LED illuminating module 30 and horizontal direction conducting strip 16, and makes the heat that LED illuminating module 30 is produced, can be via the guiding of horizontal direction conducting strip 16; Be passed to the vertical direction heat conduction cylindrical shell 10 that is connected with horizontal direction conducting strip 16; And cooperating the shell body 20 be coated on vertical direction heat conduction cylindrical shell 10 surfaces again, and the fin 26 that is surrounded on shell body 20 surfaces promptly dissipates to heat in the air via fin 26 and reaches the function of heat radiation; And because the shell body 20 of the utility model and fin 26 can insulate and the plastics of thermal conductivity are made with the mode of in-molded (Insert Molding); So the finished weight of the utility model, not only can reach the weight that reduces product with respect to known technology, avoid contacting and produce the danger of electric shock; And can keep excellent heat dissipation characteristics simultaneously, and further reduce production cost.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (12)
1. the radiator structure of a LED bulb is characterized in that, the radiator structure of this LED bulb comprises:
One vertical direction heat conduction cylindrical shell, this vertical direction heat conduction cylindrical shell be two ends corresponding formation one open upper end and a lower ending opening up and down;
One horizontal direction conducting strip is formed on this vertical direction heat conduction cylindrical shell open upper end; And
One shell body coats the outer surface that is arranged at this vertical direction heat conduction cylindrical shell, and this shell body top is positioned at this vertical direction heat conduction cylindrical shell open upper end periphery and constitutes a ring-type load plane.
2. the radiator structure of LED bulb as claimed in claim 1 is characterized in that, this vertical direction heat conduction cylindrical shell is made by thermally conductive materials.
3. the radiator structure of LED bulb as claimed in claim 1 is characterized in that, this horizontal direction conducting strip surface is equipped with a plurality of perforation and a plurality of screw.
4. the radiator structure of LED bulb as claimed in claim 1 is characterized in that, this shell body and this load plane are made with an in-molded mode by insulation and the non-metallic material of thermal conductivity.
5. the radiator structure of LED bulb as claimed in claim 1 is characterized in that, the marriage relation of this vertical direction heat conduction cylindrical shell and this horizontal direction conducting strip is formed in one.
6. the radiator structure of LED bulb as claimed in claim 1 is characterized in that, this horizontal direction conducting strip has outwards extended to form an extension.
7. the radiator structure of a LED bulb is characterized in that, the radiator structure of this LED bulb comprises:
One vertical direction heat conduction cylindrical shell, this vertical direction heat conduction cylindrical shell be two ends corresponding formation one open upper end and a lower ending opening up and down, and forms an extension in this open upper end with horizontal direction;
One shell body coats the outer surface that is arranged at this vertical direction heat conduction cylindrical shell, and this shell body top is positioned at this vertical direction heat conduction cylindrical shell open upper end periphery and constitutes a ring-type load plane.
8. the radiator structure of LED bulb as claimed in claim 7 is characterized in that, this vertical direction heat conduction cylindrical shell is made by thermally conductive materials.
9. the radiator structure of LED bulb as claimed in claim 7 is characterized in that, the surface, extension on this vertical direction heat conduction cylindrical shell is equipped with a plurality of perforation and a plurality of screw.
10. the radiator structure of LED bulb as claimed in claim 7 is characterized in that, this shell body and this load plane are made with an in-molded mode by insulation and the non-metallic material of thermal conductivity.
11. the radiator structure of LED bulb as claimed in claim 7 is characterized in that, the marriage relation of this vertical direction heat conduction cylindrical shell and this extension is formed in one.
12. the radiator structure of LED bulb as claimed in claim 1 is characterized in that, this vertical direction heat conduction cylindrical shell and an expanding water square combine through a lead angle structure to conducting strip, and three's marriage relation is formed in one.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100218687 | 2011-10-05 | ||
TW100218687U TWM430565U (en) | 2011-10-05 | 2011-10-05 | Heat-dissipation structure of LED bulb |
Publications (1)
Publication Number | Publication Date |
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CN202442305U true CN202442305U (en) | 2012-09-19 |
Family
ID=46722399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012200653907U Expired - Fee Related CN202442305U (en) | 2011-10-05 | 2012-02-27 | Heat radiation structure of LED bulb |
Country Status (2)
Country | Link |
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CN (1) | CN202442305U (en) |
TW (1) | TWM430565U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104180341A (en) * | 2013-05-24 | 2014-12-03 | 海洋王(东莞)照明科技有限公司 | Via hole heat dissipation lamp |
CN108459236A (en) * | 2018-05-09 | 2018-08-28 | 奥克斯空调股份有限公司 | A kind of detection of electrical leakage structure for high power device radiator |
CN110230784A (en) * | 2019-07-01 | 2019-09-13 | 红壹佰照明有限公司 | A kind of LED bulb |
-
2011
- 2011-10-05 TW TW100218687U patent/TWM430565U/en not_active IP Right Cessation
-
2012
- 2012-02-27 CN CN2012200653907U patent/CN202442305U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104180341A (en) * | 2013-05-24 | 2014-12-03 | 海洋王(东莞)照明科技有限公司 | Via hole heat dissipation lamp |
CN108459236A (en) * | 2018-05-09 | 2018-08-28 | 奥克斯空调股份有限公司 | A kind of detection of electrical leakage structure for high power device radiator |
CN108459236B (en) * | 2018-05-09 | 2024-03-08 | 奥克斯空调股份有限公司 | Leakage detection structure for high-power device radiator |
CN110230784A (en) * | 2019-07-01 | 2019-09-13 | 红壹佰照明有限公司 | A kind of LED bulb |
Also Published As
Publication number | Publication date |
---|---|
TWM430565U (en) | 2012-06-01 |
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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: 20120919 Termination date: 20170227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |