CN201568765U - Structure of LED lamp bulb - Google Patents
Structure of LED lamp bulb Download PDFInfo
- Publication number
- CN201568765U CN201568765U CN2009201743557U CN200920174355U CN201568765U CN 201568765 U CN201568765 U CN 201568765U CN 2009201743557 U CN2009201743557 U CN 2009201743557U CN 200920174355 U CN200920174355 U CN 200920174355U CN 201568765 U CN201568765 U CN 201568765U
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- China
- Prior art keywords
- lamp holder
- led bulb
- base frame
- column
- inner base
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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 - Fee Related
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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
The utility model provides a structure of an LED lamp bulb. The LED lamp bulb comprises a lamp head with a containing space, a luminous module and an LED transformation driving device, wherein the containing space of the lamp head is internally provided with an inner seat body for erecting the transformation driving device; a high-heat conduction sealing glue layer is injected among the transformation driving device, the inner wall of the lamp head and the inner seat body to have the effect of close contact heat conduction; and the inner seat body is further provided with at least one convection passageway for preventing the high-heat conduction sealing glue layer from being injected to keep the air flow status of the containing space. With the arrangement of the high-heat conduction sealing glue and the convection passageway(s), the structure of the LED lamp bulb provides better radiating effect to the LED lamp bulb.
Description
Technical field
The utility model provides the structure about the LED bulb, refers to a kind of correlation technique of LED bulb heat radiation especially.
Background technology
The illuminator that LED compares other has advantages such as power saving, long service life, therefore be widely used on the lighting gradually, yet the illumination of LED monomer mainly is subject to the technical bottleneck of power on increasing, the heat dissipation problem that one of the main cause that causes bottleneck again produces when luminous for LED.
And for the luminescence technology that makes LED can directly be used on existing lamp socket, the light fixture, so many on the market LED bulbs, its specification is followed the external form of existing osram lamp, old type bulb, so that general user can be docked in after buying the LED bulb.And the LED bulb of this type tends to make LED and relevant transformation drive unit to be forced to sealing cover in closed environment, and influence the LED bulb and the heat radiation of the transformation drive unit of being correlated with, in particular for replacing the LED bulb of traditional lighting, the LED that is adopted mostly is high brightness, high-capacity LED greatly, can produce high temperature and make shorten the service life of LED or directly damage when luminous.
For this reason, in the LED bulb, install diffusing fins group or fan additional in order to auxiliary heat extraction, on lamp holder, be provided with a plurality of to discharge orifice, loose fins group or fan and relevant transformation drive unit are dispelled the heat, be the technological means of regular profession circle in order to solution LED bulb heat radiation problem.
But, above-mentioned existing heat-dissipating structure is all designed at the LED monomer, in fact, when the transformation drive unit operates at the LED monomer, it is luminous with supply LED monomer AC power supplies need to be converted to the DC power supply, therefore also can produce high heat in use, still can dispel the heat is not so good as expection, electronic component impaired aging problem easily; And be arranged on a plurality of on the lamp holder, also might suffer curious child to insert and touch the transformation drive unit, and then the danger that electric shock or short circuit are cocked off takes place with foreign matter to discharge orifice.
In view of this, the creator studies and improves at the heat radiation of LED bulb and safety problem, and then designs a kind of LED bulb heat radiation structure that can promote radiating effect and promote safety in utilization.
Summary of the invention
Main purpose of the present utility model is to provide a kind of LED bulb structure, makes the LED bulb have better radiating effect, and promotes the security that the LED bulb uses.
Described bulb comprises a lamp holder, with accommodation space and is located at light emitting module that the lamp holder front end has at least one LED, one and the joint that is electrically connected for transformation drive unit and outer bulb socket of the transformation drive unit that is electrically connected of light emitting module.
Wherein the accommodation space inwall of lamp holder is provided with a junction surface and engages for an inner base frame, described inner base frame sets up for the transformation drive unit of LED bulb, the transformation drive unit and arround inner base frame, lamp holder inwall between inject the high heat conduction adhesive layer that an order presents tight thermal contact conductance effect therebetween, and inner base frame is provided with at least one and prevents that high heat conduction adhesive layer from injecting to keep the convection channel of accommodation space circulation of air state.
Above-mentioned lamp holder is provided with a plurality of first pair of discharge orifice, close joint in the position near the transformation drive unit position is provided with a plurality of second pair of discharge orifice, can free flow between aforementioned first pair of discharge orifice, convection channel, the second pair of discharge orifice for extraneous air, to strengthen radiating effect.In addition, light emitting module is provided with a radiating fin group, and each first pair of discharge orifice is arranged on the position that is surrounded on arround the radiating fin group.
By this, can make the radiating fin group absorb the heat energy that the LED monomer produces, see through air at first pair of discharge orifice, convection channel, free flow between second pair of discharge orifice and externally discharging, and the heat energy that the transformation drive unit is produced conducts paramount heat conduction adhesive layer uniformly, heat energy can be conducted to lamp holder wall and convection channel uniformly again by high heat conduction adhesive layer, except making the heat energy can be directly from the lamp holder wall externally sheds, also can utilize first pair of discharge orifice simultaneously, convection channel, the conducting effect of second pair of discharge orifice, can promote the air flow effect in the lamp holder, and then heat energy externally shed, and produce better heat radiating effect; In addition, described high heat conduction adhesive layer also has the effect of insulation, protection against the tide.
During enforcement, aforementioned inner base frame has a carrier, and junction surface inner edge and the moulding of carrier outer rim coincide and the general aspect of convex edge in the form of a ring.
In addition, inner base frame is provided with at least one column, and convection channel is located on the column and through carrier, described convection channel can be located at the middle position of column, makes the section of column be the hollow aspect.Perhaps, column can be located at the edge of carrier, convection channel is located at the outside of each column, make the section of column be U kenel sample, and the outside of each column engages with the lamp holder inwall, and the lamp holder inwall is provided with a plurality of and each stud edge along the fins that closely contacts, by above-mentioned arbitrary means, all can reach convection channel is set to reach the effect of maintenance accommodation space circulation of air state on inner base frame.
The utility model provides a kind of LED bulb structure, described LED bulb structure comprises a lamp holder, with accommodation space and is located at the light emitting module with at least one LED of described lamp holder front end, one and the transformation drive unit that is electrically connected of described light emitting module, an and joint that is electrically connected for described transformation drive unit and outer bulb socket, described lamp holder inwall is provided with an inner base frame, and the transformation drive unit is set on the described inner base frame; Described transformation drive unit and arround inner base frame, lamp holder inwall between inject the high heat conduction adhesive layer of the tight thermal contact conductance effect of tool, and described inner base frame is provided with at least one and prevents that high heat conduction adhesive layer from injecting to keep the convection channel of described accommodation space circulation of air state.
During enforcement, described lamp holder is provided with a plurality of first pair of discharge orifice in the position near described transformation drive unit, described lamp holder is provided with a plurality of second pair of discharge orifice in the position near described joint, can free flow between described first pair of discharge orifice, described convection channel, described second pair of discharge orifice for extraneous air.
During enforcement, described lamp holder inwall is provided with the junction surface and engages for described inner base frame.
During enforcement, described inner base frame has a carrier, the identical convex edge shape in the form of a ring of described junction surface inner edge and the moulding of described carrier outer rim.
During enforcement, described inner base frame is provided with at least one column, and described convection channel is located on the described column and through described carrier.
During enforcement, described convection channel is located at the middle position of described column, makes the section of described column be the hollow aspect.
During enforcement, described column is located at described inner base frame edge, and the section of described column is the U type, and the outside of described column engages with the inwall of described lamp holder, and described convection channel is located at the outside of each described column.
During enforcement, described lamp holder inwall is provided with a plurality of fins that closely contact with each described U type stud edge edge.
During enforcement, described bulb further comprises to be located at described lamp holder front end sleeve and to cover in the outer lampshade of described light emitting module, and wherein said lampshade is provided with the light source that a plurality of leaded light posts are connected in LED and produces end.
During enforcement, described light emitting module is provided with a radiating fin group.
Compared to prior art, LED bulb structure described in the utility model not only can utilize high heat conduction adhesive layer to make the transformation drive unit produce more even, preferable heat radiation conducting effect, and can prevent the foreign matter danger that generation is shocked by electricity or short circuit is cocked off when first pair of discharge orifice inserts, cooperate with second pair of discharge orifice and see through first pair of discharge orifice, convection channel, also significantly improve the circulation of air effect of lamp holder accommodation space, make radiating fin group, transformation drive unit can obtain best radiating effect.
Following foundation technological means of the present utility model, enumerate be suitable for embodiment of the present utility model and cooperate graphic explanation as the back:
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model first embodiment;
Fig. 2 is the forward sight outside drawing of the utility model first embodiment;
Fig. 3 is the partial schematic sectional view of the utility model first embodiment;
Fig. 4 is the local enlarged diagram of Fig. 3;
Fig. 5 is the three-dimensional exploded view of the utility model second embodiment;
Fig. 6 is the forward sight outside drawing of the utility model second embodiment;
Fig. 7 is the partial schematic sectional view of the utility model second embodiment;
Fig. 8 is the utility model fin and column combination generalized section;
Fig. 9 is the utility model the 3rd embodiment forward sight outside drawing.
Description of reference numerals: 10-lamp holder; The 11-junction surface; First pair of discharge orifice of 12-; Second pair of discharge orifice of 13-; The 14-fin; The 20-light emitting module; 21-LED; 22-radiating fin group; 30-transformation drive unit; The 31-lead; The 40-joint; The 50-lampshade; 51-leaded light post; The 60-inner base frame; The 61-carrier; The 62-column; The 63-perforation; The 70-convection channel; The high heat conduction adhesive layer of 80-.
The specific embodiment
See also illustrated in figures 1 and 2, the three-dimensional exploded view of the utility model first embodiment, forward sight outside drawing.This embodiment discloses the enforcement aspect that the LED bulb is a spherical helical bulb, described bulb comprise a lamp holder 10, with accommodation space be located at the light emitting module 20 of lamp holder 10, one and the spirality joint 40, that is electrically connected for transformation drive unit 30 and outer bulb socket of the transformation drive unit that is electrically connected of light emitting module 20 30, be located at lamp holder 10 front end sleeves and cover in the outer lampshade 50 and of light emitting module 20 and be located at the inner base frame 60 that sets up for transformation drive unit 30 in the lamp holder 10.
See also Fig. 1 and shown in Figure 3, wherein Fig. 3 is the partial schematic sectional view of the utility model first embodiment.Disclose among the figure, lamp holder 10 inwalls are provided with a junction surface 11 and engage for inner base frame 60, and lamp holder 10 is provided with a plurality of first pair of discharge orifice 12 in the position near transformation drive unit 30, and the position of close joint 40 is provided with a plurality of second pair of discharge orifice 13.
Aforementioned transformation drive unit 30 and joint 40, can be electrically connected by lead 31 between light emitting module 20, on inner base frame 60, can reserve the usefulness that perforation 63 is passed through for lead 31, described transformation drive unit 30 and arround inner base frame 60, be injected with order between lamp holder 10 inwalls and present the high heat conduction adhesive layer 80 (for example: silicones Silicones or similar sealing material) of tight thermal contact conductance effect therebetween, and column 62 can make convection channel 70 must keep the interior circulation of air state of accommodation space with to prevent that high heat conduction adhesive layer 80 from injecting in the convection channel 70 when injecting operation.
As shown in Figure 4, by above-mentioned formation, the heat energy that radiating fin group 22 is produced can see through air at first pair of discharge orifice 12, convection channel 70, free flow between second pair of discharge orifice 13 and externally discharging, and the heat energy that transformation drive unit 30 is produced can conduct paramount heat conduction adhesive layer 80 uniformly, by high heat conduction adhesive layer 80 heat energy is conducted to lamp holder 10 uniformly, convection channel 70, except making the heat energy can be directly from lamp holder 10 externally sheds, also can utilize first pair of discharge orifice 12 simultaneously, convection channel 70, the conducting effect of second pair of discharge orifice 13, promote the air flow effect of accommodation space in the lamp holder 10, and then heat energy externally shed, and the generation better heat radiating effect, and utilize high heat conduction adhesive layer 80 performance insulation, moistureproof effect.
Seeing also Fig. 5 and shown in Figure 6, is three-dimensional exploded view, the forward sight outside drawing of the utility model second embodiment.This embodiment discloses the enforcement aspect that the LED bulb is a family expenses helical bulb specification, and the bulb of this embodiment comprises a lamp holder 10, a light emitting module 20, a transformation drive unit 30, a joint 40, a lampshade 50 and an inner base frame 60 equally.
See also Fig. 5, Fig. 7 and shown in Figure 8, wherein Fig. 7 is that partial schematic sectional view, Fig. 8 of the utility model second embodiment are the utility model fin and column combination generalized section.The main difference of the present embodiment and first embodiment is that present embodiment column 62 is located at the edge of carrier 61, convection channel 70 is located at the outside of each column, make the section of column 62 be U kenel sample, and the outside of each column 62 engages with lamp holder 10 inwalls, and lamp holder 10 inwalls are provided with a plurality of fins 14 that closely contact with each column 62 edge, by fin 14 and be and form convection channel 70 between the column 62 of U type.Also can make by this air can free flow between first pair of discharge orifice 12, convection channel 70, the second pair of discharge orifice 13, to reach the effect that keeps ccontaining space empty air communication states in the lamp holder 10.
Seeing also shown in Figure 9ly, is the utility model the 3rd embodiment forward sight outside drawing.The difference of this embodiment and first embodiment is that joint 40 is bayonet joint, the LED bulb that is provided with the utility model LED bulb heat radiation structure can be quick installed on the plug-in type socket in order to the user and use.
But above explanation and accompanying drawing, being preferable enforcement example of the present utility model, is not to limit to the utility model with this, and the equivalence of therefore using the utility model specification and graphic content to do such as changes, must all belong in the utility model claim, solemnly state.
Claims (10)
1. a LED bulb is constructed, it is characterized in that, described LED bulb structure comprises a lamp holder, with accommodation space and is located at the light emitting module with at least one LED of described lamp holder front end, one and the transformation drive unit that is electrically connected of described light emitting module, an and joint that is electrically connected for described transformation drive unit and outer bulb socket, described lamp holder inwall is provided with an inner base frame, and the transformation drive unit is set on the described inner base frame; Described transformation drive unit and arround inner base frame, lamp holder inwall between inject the high heat conduction adhesive layer of the tight thermal contact conductance effect of tool, and described inner base frame is provided with at least one and prevents that high heat conduction adhesive layer from injecting to keep the convection channel of described accommodation space circulation of air state.
2. LED bulb structure as claimed in claim 1, it is characterized in that, described lamp holder is provided with a plurality of first pair of discharge orifice in the position near described transformation drive unit, described lamp holder is provided with a plurality of second pair of discharge orifice in the position near described joint, can free flow between described first pair of discharge orifice, described convection channel, described second pair of discharge orifice for extraneous air.
3. LED bulb structure as claimed in claim 1 is characterized in that described lamp holder inwall is provided with the junction surface and engages for described inner base frame.
4. LED bulb structure as claimed in claim 3 is characterized in that described inner base frame has a carrier, the identical convex edge shape in the form of a ring of described junction surface inner edge and the moulding of described carrier outer rim.
5. LED bulb as claimed in claim 1 structure is characterized in that described inner base frame is provided with at least one column, and described convection channel is located on the described column and through described carrier.
6. LED bulb structure as claimed in claim 5 is characterized in that described convection channel is located at the middle position of described column, makes the section of described column be the hollow aspect.
7. LED bulb structure as claimed in claim 5, it is characterized in that described column is located at described inner base frame edge, the section of described column is the U type, and the outside of described column engages with the inwall of described lamp holder, and described convection channel is located at the outside of each described column.
8. LED bulb structure as claimed in claim 7 is characterized in that, described lamp holder inwall is provided with a plurality of fins that closely contact with each described U type stud edge edge.
9. LED bulb as claimed in claim 1 structure is characterized in that, described bulb further comprises to be located at described lamp holder front end sleeve and to cover in the outer lampshade of described light emitting module, and wherein said lampshade is provided with the light source that a plurality of leaded light posts are connected in LED and produces end.
10. LED bulb structure as claimed in claim 1 is characterized in that described light emitting module is provided with a radiating fin group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201743557U CN201568765U (en) | 2009-12-17 | 2009-12-17 | Structure of LED lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201743557U CN201568765U (en) | 2009-12-17 | 2009-12-17 | Structure of LED lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568765U true CN201568765U (en) | 2010-09-01 |
Family
ID=42661054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201743557U Expired - Fee Related CN201568765U (en) | 2009-12-17 | 2009-12-17 | Structure of LED lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201568765U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075480A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| WO2013075442A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| CN103162141A (en) * | 2013-03-14 | 2013-06-19 | 邹正康 | Light emitting diode (LED) lamp |
| WO2014176135A1 (en) * | 2013-04-21 | 2014-10-30 | Osram Sylvania Inc. | Air cooling of electronic driver in a lighting device |
| CN104350325A (en) * | 2012-05-29 | 2015-02-11 | 市光工业株式会社 | Vehicular lighting instrument semiconductor light source light source unit and vehicular lighting instrument |
| CN109138735A (en) * | 2018-09-14 | 2019-01-04 | 浙江卡福曼木业有限公司 | Bealock |
-
2009
- 2009-12-17 CN CN2009201743557U patent/CN201568765U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075480A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| WO2013075442A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| CN104350325A (en) * | 2012-05-29 | 2015-02-11 | 市光工业株式会社 | Vehicular lighting instrument semiconductor light source light source unit and vehicular lighting instrument |
| CN103162141A (en) * | 2013-03-14 | 2013-06-19 | 邹正康 | Light emitting diode (LED) lamp |
| WO2014176135A1 (en) * | 2013-04-21 | 2014-10-30 | Osram Sylvania Inc. | Air cooling of electronic driver in a lighting device |
| US9464799B2 (en) | 2013-04-21 | 2016-10-11 | Ledvance Llc | Air cooling of electronic driver in a lighting device |
| CN109138735A (en) * | 2018-09-14 | 2019-01-04 | 浙江卡福曼木业有限公司 | Bealock |
| CN109138735B (en) * | 2018-09-14 | 2020-05-15 | 浙江卡福曼木业有限公司 | Puerto |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20121217 |