CN105605445B - LEDbulb lamp - Google Patents

LEDbulb lamp Download PDF

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Publication number
CN105605445B
CN105605445B CN201510945969.0A CN201510945969A CN105605445B CN 105605445 B CN105605445 B CN 105605445B CN 201510945969 A CN201510945969 A CN 201510945969A CN 105605445 B CN105605445 B CN 105605445B
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CN
China
Prior art keywords
lamp housing
radiator
light transmission
lamp
opens
Prior art date
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Active
Application number
CN201510945969.0A
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Chinese (zh)
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CN105605445A (en
Inventor
林敏�
郑应庆
黄伟杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Topstar Lighting Co Ltd
Original Assignee
Xiamen Topstar Lighting Co Ltd
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Priority to CN201510945969.0A priority Critical patent/CN105605445B/en
Publication of CN105605445A publication Critical patent/CN105605445A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/02Globes; Bowls; Cover glasses characterised by the shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes

Abstract

A kind of LEDbulb lamp comprising lamp cap, light transmission lamp housing, radiator, LED light source board and light source drive component;The bottom end of light transmission lamp housing connects lamp cap, and the upper end of light transmission lamp housing opens up an assembly through-hole, and the lower end of light transmission lamp housing opens up lower thermal vias;Radiator is installed in light transmission lamp housing, and the top of radiator passes through the assembly through-hole of light transmission lamp housing to extend outside light transmission lamp housing;The heat dissipation cavity through bottom end is opened up in radiator, the lower thermal vias of heat dissipation cavity connection, the top of radiator opens up the upper thermal vias of connection heat dissipation cavity;Light source drive component is installed in the heat dissipation cavity, and LED light source board is installed on outside the side wall of radiator.Present invention combination heat transfer and the dynamic radiating mode of thermal convection current can rapidly realize effective heat dissipation, reduce temperature in lamp, extend the service life of bulb lamp.

Description

LEDbulb lamp
Technical field
The present invention relates to a kind of LEDbulb lamps.
Background technology
For high-power LED bulb due to its operating power height, cooling requirements are high, generally require to configure larger radiator 20.Currently, high-power LED bulb generally comprises hemispherical lampshade, the radiator 20 of circular cone shape, shell and lamp cap 30;Outside The lower end of shell connects lamp cap 30, and lampshade is installed on the upper end of shell, and radiator 20 is installed in shell, and the top of radiator 20 is set There is LED light source board 70, light source driving circuit plate is equipped in lamp cap 30.The heat that LED light source board 70 and light source driving circuit plate generate Amount is transferred to radiator 20 with heat exchange pattern, and is located at due to radiator 20 in the enclosure space that lampshade and shell are formed, The heat of absorption also can only be slowly dispersed into shell by way of heat transfer, since radiating efficiency is low, when bulb lamp work Make the time it is longer when, the temperature in lamp often remains high, permanent so to influence LED light source board 70 and light source driving circuit plate Service life.In addition, lampshade and radiator 20 account for the one third of whole lamp respectively, not only light-emitting area is small, heat dissipation area It is small.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of LEDbulb lamp solving above-mentioned technical problem.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of LEDbulb lamp comprising lamp cap, light transmission lamp housing, radiator, LED light source board and light source drive component;
The bottom end of light transmission lamp housing connects lamp cap, and the upper end of light transmission lamp housing opens up an assembly through-hole, and the lower end of light transmission lamp housing is opened Set thermal vias;Radiator is installed in light transmission lamp housing, and the top of radiator passes through the assembly through-hole of light transmission lamp housing to extend Outside light transmission lamp housing;The heat dissipation cavity through bottom end, the lower thermal vias of heat dissipation cavity connection, the top of radiator are opened up in radiator Open up the upper thermal vias of connection heat dissipation cavity;Light source drive component is installed in the heat dissipation cavity, and LED light source board is installed on scattered Outside the side wall of hot device.
Preferably, the side wall of radiator is equipped with cooling fin, and light transmission lamp housing opens up the strip straight slot axially extended, radiates The cooling fin of device passes through the strip straight slot of light transmission lamp housing, extends outside light transmission lamp housing.
Preferably, the side wall of radiator is equipped with several cooling fins being along the circumferential direction evenly spaced on, light transmission lamp housing phase Several strip straight slots should be opened up, each cooling fin extends outside a corresponding strip straight slot.
Preferably, light transmission lamp housing is interlocked and is encircled by left lamp housing and right lamp housing, each cross in the upper end of left lamp housing and right lamp housing To shackle member on one is extended, the upper end of radiator accordingly opens up two grafting through-holes, the upper shackle member point of left lamp housing and right lamp housing It is not installed in two grafting through-holes of radiator.
Preferably, the lower end of left lamp housing laterally extends shackle member, and the lower end of right lamp housing accordingly opens up an installation and leads to The lower shackle member in hole, left lamp housing is installed in the installation through-hole of right lamp housing.
Preferably, the lower end of right lamp housing laterally extends shackle member, and the lower end of left lamp housing accordingly opens up an installation and leads to The lower shackle member in hole, right lamp housing is installed in the installation through-hole of left lamp housing.
Preferably, the top of radiator opens up several upper thermal vias being evenly spaced on.
Preferably, the lower end of light transmission lamp housing opens up several lower thermal vias being along the circumferential direction evenly spaced on.
Preferably, LED light source board is multiple, and multiple LED light source boards are along the circumferential direction evenly spaced in radiator Side wall.
Beneficial effects of the present invention are at least:
The heat that LED light source board generates in the present invention is transferred to radiator with heat exchange pattern, and light source drive component is dissipating Heat is generated in hot cavity, since the lower thermal vias of upper thermal vias, heat dissipation cavity and light transmission lamp housing constitutes one from top to bottom Through the heat dissipation channel of whole lamp, extraneous cold airflow from upper thermal vias enter via heat dissipation cavity, by radiator heat and Heat in heat dissipation cavity is taken out of by lower thermal vias outside light transmission lamp housing together, in this way, present invention combination heat transfer and heat are right The dynamic radiating mode of stream can rapidly realize effective heat dissipation, reduce temperature in lamp, extend the service life of bulb lamp.
Description of the drawings
Fig. 1 is the stereogram of the better embodiment of LEDbulb lamp of the present invention.
Fig. 2 is the exploded view of the LEDbulb lamp of Fig. 1.
Fig. 3 is the sectional view of the LEDbulb lamp of Fig. 1.
Fig. 4 is the stereogram of the radiator of the LEDbulb lamp of Fig. 1.
Fig. 5 is the stereogram of another view of the radiator of the LEDbulb lamp of Fig. 1.
Fig. 6 is the stereogram of the left lamp housing of the light transmission lamp housing of the LEDbulb lamp of Fig. 1.
Specific implementation mode
Below in conjunction with attached drawing and specific implementation mode, the present invention is described further:
1 to Fig. 6 is referred to, the present invention relates to a kind of LEDbulb lamp, better embodiment includes lamp cap 30, light transmission lamp Shell 10, radiator 20, LED light source board 70 and light source drive component 40.
The bottom end of light transmission lamp housing 10 connects lamp cap 30, and the upper end of light transmission lamp housing 10 opens up an assembly through-hole, light transmission lamp housing 10 Lower end open up lower thermal vias 16;Radiator 20 is installed in light transmission lamp housing 10, and the top of radiator 20 passes through light transmission lamp housing 10 assembly through-hole extends outside light transmission lamp housing 10;The heat dissipation cavity 21 through bottom end is opened up in radiator 20, radiate cavity 21 The lower thermal vias 16 of connection, the top of radiator 20 open up the upper thermal vias 22 of connection heat dissipation cavity 21;Light source drive component 40 are installed in the heat dissipation cavity 21, and LED light source board 70 is installed on outside the side wall of radiator 20.
In use, the heat that LED light source board 70 generates is transferred to radiator 20, light source drive component 40 with heat exchange pattern Heat is generated in heat dissipation cavity 21, due to upper thermal vias 22, the lower thermal vias 16 of radiate cavity 21 and light transmission lamp housing 10 A heat dissipation channel for running through whole lamp from top to bottom is constituted, extraneous cold airflow enters from upper thermal vias 22 via heat dissipation cavity 21, Heat on radiator 20 and the heat in heat dissipation cavity 21 are taken out of by lower thermal vias 16 outside light transmission lamp housing 10 together, such as This, the dynamic radiating mode of present invention combination heat transfer and thermal convection current can rapidly realize effective heat dissipation, reduce temperature in lamp, prolong The service life of long bulb lamp.
In the present embodiment, the side wall of radiator 20 is equipped with cooling fin 23, and light transmission lamp housing 10 opens up the strip axially extended Shape straight slot 11, the cooling fin 23 of radiator 20 pass through the strip straight slot 11 of light transmission lamp housing 10, extend outside light transmission lamp housing 10.Such as This, the heat of radiator 20 can be also dissipated into a manner of heat transfer and heat radiation outside light transmission lamp housing 10 cooling fin 23, into One-step optimization heat dissipation effect.
Preferably, the side wall of radiator 20 is equipped with several cooling fins 23 being along the circumferential direction evenly spaced on, light transmission lamp Shell 10 accordingly opens up several strip straight slots 11, and each cooling fin 23 extends outside a corresponding strip straight slot 11.In this way, can increase Big heat dissipation area is conducive to improve radiating efficiency.
In the present embodiment, light transmission lamp housing 10 is interlocked and is encircled by left lamp housing 19 and right lamp housing 18, left lamp housing 19 and right lamp housing Shackle member 12 on one are respectively laterally extended in 18 upper end, the upper end of radiator 20 accordingly opens up two grafting through-holes 25, left lamp housing 19 and the upper shackle member 12 of right lamp housing 18 be installed in respectively in two grafting through-holes 25 of radiator 20.In this way, can not only facilitate ball The assembling of light bulb, and so that the structure of ball bulb is more firm firm.
Preferably, the lower end of left lamp housing 19 laterally extends shackle member 13, and the lower end of right lamp housing 18 accordingly opens up one The lower shackle member 13 of installation through-hole, left lamp housing 19 is installed in the installation through-hole of right lamp housing 18 so that the structure of ball bulb is more firm By firm.
Preferably, the lower end of right lamp housing 18 laterally extends shackle member, and the lower end of left lamp housing 19 accordingly opens up a peace Through-hole 14 is filled, the lower shackle member of right lamp housing 18 is installed in the installation through-hole 14 of left lamp housing 19 so that the structure of ball bulb is more firm By firm.
Preferably, the top of radiator 20 opens up several upper thermal vias 22 being evenly spaced on, to improve thermal convection current Efficiency.
Preferably, the lower end of light transmission lamp housing 10 opens up several lower thermal vias 16 being along the circumferential direction evenly spaced on, To improve thermal convective efficiency.
Preferably, LED light source board 70 is multiple, and multiple LED light source boards 70 are along the circumferential direction evenly spaced in heat dissipation The side wall of device 20, to improve luminous efficiency.
For those skilled in the art, technical solution that can be as described above and design are made other each Kind is corresponding to be changed and deforms, and all these change and deform the protection model that should all belong to the claims in the present invention Within enclosing.

Claims (8)

1. a kind of LEDbulb lamp, it is characterised in that:It includes lamp cap, light transmission lamp housing, radiator, LED light source board and light source driving Component;
The bottom end of light transmission lamp housing connects lamp cap, and the upper end of light transmission lamp housing opens up an assembly through-hole, and the lower end of light transmission lamp housing opens up down Thermal vias;Radiator is installed in light transmission lamp housing, and the top of radiator passes through the assembly through-hole of light transmission lamp housing to extend light transmission Outside lamp housing;The heat dissipation cavity through bottom end is opened up in radiator, the lower thermal vias of heat dissipation cavity connection, the top of radiator opens up The upper thermal vias of connection heat dissipation cavity, the side wall of radiator are equipped with cooling fin, and light transmission lamp housing opens up the strip axially extended Shape straight slot, the cooling fin of radiator pass through the strip straight slot of light transmission lamp housing, extend outside light transmission lamp housing;Light source drive component is pacified Loaded in the heat dissipation cavity, LED light source board is sticked on the side wall of radiator.
2. LEDbulb lamp as described in claim 1, it is characterised in that:The side wall of radiator is equipped with several along the circumferential direction equal The even cooling fin being spaced apart, light transmission lamp housing accordingly open up several strip straight slots, and each cooling fin extends a corresponding strip Outside shape straight slot.
3. LEDbulb lamp as described in claim 1, it is characterised in that:Light transmission lamp housing is interlocked and is surrounded by left lamp housing and right lamp housing At respectively laterally extending shackle member on one in the upper end of left lamp housing and right lamp housing, it is logical that the upper end of radiator accordingly opens up two grafting The upper shackle member of hole, left lamp housing and right lamp housing is installed in respectively in two grafting through-holes of radiator.
4. LEDbulb lamp as claimed in claim 3, it is characterised in that:The lower end of left lamp housing laterally extends shackle member, The lower end of right lamp housing accordingly opens up an installation through-hole, and the lower shackle member of left lamp housing is installed in the installation through-hole of right lamp housing.
5. LEDbulb lamp as described in claim 3 or 4, it is characterised in that:The lower end of right lamp housing, which laterally extends, to be clamped The lower end of part, left lamp housing accordingly opens up an installation through-hole, and the lower shackle member of right lamp housing is installed in the installation through-hole of left lamp housing.
6. LEDbulb lamp as described in claim 1, it is characterised in that:The top of radiator opens up several be evenly spaced on Upper thermal vias.
7. LEDbulb lamp as described in claim 1, it is characterised in that:The lower end of light transmission lamp housing open up it is several along the circumferential direction The lower thermal vias being evenly spaced on.
8. LEDbulb lamp as described in claim 1, it is characterised in that:LED light source board is multiple, and multiple LED light source boards are along circle Circumferential direction is evenly spaced on the side wall in radiator.
CN201510945969.0A 2015-12-17 2015-12-17 LEDbulb lamp Active CN105605445B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510945969.0A CN105605445B (en) 2015-12-17 2015-12-17 LEDbulb lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510945969.0A CN105605445B (en) 2015-12-17 2015-12-17 LEDbulb lamp

Publications (2)

Publication Number Publication Date
CN105605445A CN105605445A (en) 2016-05-25
CN105605445B true CN105605445B (en) 2018-10-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202834855U (en) * 2011-08-15 2013-03-27 迈克斯莱特股份有限公司 LED (light-emitting diode) lighting equipment with separated driving circuit
CN102563429B (en) * 2012-01-20 2014-03-12 浙江阳光照明电器集团股份有限公司 LED bulb
CN104832815A (en) * 2015-05-18 2015-08-12 立达信绿色照明股份有限公司 LED lamp heat dissipation structure
CN205261261U (en) * 2015-12-17 2016-05-25 厦门通士达照明有限公司 LED bulb lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7387403B2 (en) * 2004-12-10 2008-06-17 Paul R. Mighetto Modular lighting apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202834855U (en) * 2011-08-15 2013-03-27 迈克斯莱特股份有限公司 LED (light-emitting diode) lighting equipment with separated driving circuit
CN102563429B (en) * 2012-01-20 2014-03-12 浙江阳光照明电器集团股份有限公司 LED bulb
CN104832815A (en) * 2015-05-18 2015-08-12 立达信绿色照明股份有限公司 LED lamp heat dissipation structure
CN205261261U (en) * 2015-12-17 2016-05-25 厦门通士达照明有限公司 LED bulb lamp

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