CN105605445A - LED bulb lamp - Google Patents

LED bulb lamp Download PDF

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Publication number
CN105605445A
CN105605445A CN201510945969.0A CN201510945969A CN105605445A CN 105605445 A CN105605445 A CN 105605445A CN 201510945969 A CN201510945969 A CN 201510945969A CN 105605445 A CN105605445 A CN 105605445A
Authority
CN
China
Prior art keywords
lamp housing
radiator
lamp
printing opacity
heat radiation
Prior art date
Application number
CN201510945969.0A
Other languages
Chinese (zh)
Other versions
CN105605445B (en
Inventor
林敏�
郑应庆
黄伟杰
Original Assignee
厦门通士达照明有限公司
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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

The invention discloses an LED bulb lamp. The LED bulb lamp comprises a lamp holder, a transparent lamp housing, a radiator, an LED light source plate and a light source driving assembly; the bottom end of the transparent lamp housing is connected with the lamp holder, an assembling through hole is formed in the upper end of the transparent lamp housing, and lower heat dissipation through holes are formed in the lower end of the transparent lamp housing; the radiator is mounted in the transparent lamp housing, and the top end of the radiator penetrates through the assembling through hole of the transparent lamp housing and extends out of the transparent lamp housing; a heat dissipation cavity penetrating through the bottom end is formed in the radiator and communicated with the lower heat dissipation through holes, and upper heat dissipation through holes communicated with the heat dissipation cavity are formed in the top end of the radiator; the light source driving assembly is mounted in the heat dissipation cavity, and the LED light source plate is mounted outside the side wall of the radiator. The LED bulb lamp combines the dynamic heat dissipation modes of heat conduction and heat convection, heat dissipation can be achieved rapidly and effectively, the temperature in the lamp can be lowered, and the service life of the bulb lamp can be prolonged.

Description

LED bulb lamp
Technical field
The present invention relates to a kind of LED bulb lamp.
Background technology
High-power LED bulb is because its operating power is high, and heat radiation requires high, often needs the radiator 20 that configuration is larger. At present, high-power LED bulb generally comprises radiator 20, shell and the lamp holder 30 of hemispherical lampshade, circular cone shape; The lower end of shell connects lamp holder 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 provided with LED light source plate 70, is provided with light source driving circuit plate in lamp holder 30. The heat that LED light source plate 70 and light source driving circuit plate produce is passed to radiator 20 with heat exchange pattern, and because radiator 20 is positioned at the enclosure space that lampshade and shell form, the heat of its absorption also can only be dispersed in shell lentamente by heat conducting mode, because radiating efficiency is low, in the time that the bulb lamp working time is longer, temperature in lamp is often high, so will affect the service life of LED light source plate 70 and light source driving circuit plate for a long time. In addition, lampshade and radiator 20 account for respectively 1/3rd of whole lamp, and not only light-emitting area is little, and area of dissipation is also little.
Summary of the invention
For the deficiencies in the prior art, the present invention is intended to provide a kind of LED bulb lamp solving the problems of the technologies described above.
For achieving the above object, the present invention adopts following technical scheme:
A kind of LED bulb lamp, it comprises lamp holder, printing opacity lamp housing, radiator, LED light source plate and light source driven unit;
The bottom of printing opacity lamp housing connects lamp holder, and an assembling through hole is offered in the upper end of printing opacity lamp housing, and lower heat radiation through hole is offered in the lower end of printing opacity lamp housing; Radiator is installed in printing opacity lamp housing, and extend outside printing opacity lamp housing through the assembling through hole of printing opacity lamp housing on the top of radiator; In radiator, offer the heat radiation cavity that runs through bottom, heat radiation cavity is communicated with lower heat radiation through hole, and the upper heat radiation through hole that is communicated with heat radiation cavity is offered on the top of radiator; Light source driven unit is installed in this heat radiation cavity, and LED light source plate is installed on outside the sidewall of radiator.
Preferably, the sidewall of radiator is provided with fin, and printing opacity lamp housing is offered the strip groove extending vertically, and the fin of radiator, through the strip groove of printing opacity lamp housing, extends outside printing opacity lamp housing.
Preferably, the sidewall of radiator is provided with some along the circumferential direction even fin spaced apart, and printing opacity lamp housing is corresponding offers some strip grooves, and each fin extends outside a corresponding strip groove.
Preferably, printing opacity lamp housing is interlocked and is surrounded by left lamp housing and right lamp housing, in the upper end of left lamp housing and right lamp housing, respectively laterally extend shackle member on, the corresponding two grafting through holes of offering in upper end of radiator, the upper shackle member of left lamp housing and right lamp housing is installed in respectively in two grafting through holes of radiator.
Preferably, the lower end of left lamp housing laterally extends shackle member, the corresponding installation through hole of offering in lower end of right lamp housing, and the lower shackle member of 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, the corresponding installation through hole of offering in lower end of left lamp housing, and the lower shackle member of right lamp housing is installed in the installation through hole of left lamp housing.
Preferably, some evenly upper heat radiation through holes spaced apart are offered on the top of radiator.
Preferably, some along the circumferential direction even lower heat radiation through holes spaced apart are offered in the lower end of printing opacity lamp housing.
Preferably, LED light source plate is multiple, and multiple LED light source plates are along the circumferential direction evenly spaced apart in the sidewall of radiator.
Beneficial effect of the present invention is at least:
The heat that in the present invention, LED light source plate produces is passed to radiator with heat exchange pattern, light source driven unit produces heat in heat radiation cavity, due to upper heat radiation through hole, the lower heat radiation through hole formation one of heat radiation cavity and printing opacity lamp housing runs through the heat dissipation channel of whole lamp from top to bottom, extraneous cold airflow enters via heat radiation cavity from upper heat radiation through hole, heat in heat on radiator and heat radiation cavity is taken out of outside printing opacity lamp housing by lower heat radiation through hole in the lump, so, the present invention can realize efficiently radiates heat rapidly in conjunction with the dynamic radiating mode of heat conduction and thermal convection current, reduce temperature in lamp, extend the service life of bulb lamp.
Brief description of the drawings
Fig. 1 is the stereogram of the preferred embodiments of LED bulb lamp of the present invention.
Fig. 2 is the exploded view of the LED bulb lamp of Fig. 1.
Fig. 3 is the profile of the LED bulb lamp of Fig. 1.
Fig. 4 is the stereogram of the radiator of the LED bulb lamp of Fig. 1.
Fig. 5 is the stereogram of another view of the radiator of the LED bulb lamp of Fig. 1.
Fig. 6 is the stereogram of the left lamp housing of the printing opacity lamp housing of the LED bulb lamp of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Refer to 1 to Fig. 6, the present invention relates to a kind of LED bulb lamp, its preferred embodiments comprises lamp holder 30, printing opacity lamp housing 10, radiator 20, LED light source plate 70 and light source driven unit 40.
The bottom of printing opacity lamp housing 10 connects lamp holder 30, and an assembling through hole is offered in the upper end of printing opacity lamp housing 10, and lower heat radiation through hole 16 is offered in the lower end of printing opacity lamp housing 10; Radiator 20 is installed in printing opacity lamp housing 10, and extend outside printing opacity lamp housing 10 through the assembling through hole of printing opacity lamp housing 10 on the top of radiator 20; In radiator 20, offer the heat radiation cavity 21 that runs through bottom, heat radiation cavity 21 is communicated with lower heat radiation through hole 16, and the upper heat radiation through hole 22 that is communicated with heat radiation cavity 21 is offered on the top of radiator 20; Light source driven unit 40 is installed in this heat radiation cavity 21, and LED light source plate 70 is installed on outside the sidewall of radiator 20.
When use, the heat that LED light source plate 70 produces is passed to radiator 20 with heat exchange pattern, light source driven unit 40 is at the interior generation heat of heat radiation cavity 21, due to upper heat radiation through hole 22, the lower heat radiation through hole 16 of heat radiation cavity 21 and printing opacity lamp housing 10 forms a heat dissipation channel that runs through whole lamp from top to bottom, extraneous cold airflow enters via heat radiation cavity 21 from upper heat radiation through hole 22, heat in heat on radiator 20 and heat radiation cavity 21 is taken out of outside printing opacity lamp housing 10 by lower heat radiation through hole 16 in the lump, so, the present invention can realize efficiently radiates heat rapidly in conjunction with the dynamic radiating mode of heat conduction and thermal convection current, reduce temperature in lamp, extend the service life of bulb lamp.
In the present embodiment, the sidewall of radiator 20 is provided with fin 23, and printing opacity lamp housing 10 is offered the strip groove 11 extending vertically, and the fin 23 of radiator 20, through the strip groove 11 of printing opacity lamp housing 10, extends outside printing opacity lamp housing 10. So, the heat of radiator 20 also can be dissipated into outside printing opacity lamp housing 10 with heat conduction and thermal-radiating mode by fin 23, further optimizes radiating effect.
Preferably, the sidewall of radiator 20 is provided with some along the circumferential direction even fin 23 spaced apart, and printing opacity lamp housing 10 is corresponding offers some strip grooves 11, and each fin 23 extends outside a corresponding strip groove 11. So, can increasing heat radiation area, be conducive to improve radiating efficiency.
In the present embodiment, printing opacity lamp housing 10 is interlocked and is surrounded by left lamp housing 19 and right lamp housing 18, in the upper end of left lamp housing 19 and right lamp housing 18, respectively laterally extend shackle member 12 on, the corresponding two grafting through holes 25 of offering in upper end of radiator 20, the upper shackle member 12 of left lamp housing 19 and right lamp housing 18 is installed in respectively in two grafting through holes 25 of radiator 20. So, not only can facilitate the assembling of ball bulb, and make the structure of ball bulb more firm firm.
Preferably, the lower end of left lamp housing 19 laterally extends shackle member 13, the corresponding installation through hole of offering in lower end of right lamp housing 18, and the lower shackle member 13 of left lamp housing 19 is installed in the installation through hole of right lamp housing 18, makes the structure of ball bulb more firm firm.
Preferably, the lower end of right lamp housing 18 laterally extends shackle member, the corresponding installation through hole 14 of offering in lower end of left lamp housing 19, and the lower shackle member of right lamp housing 18 is installed in the installation through hole 14 of left lamp housing 19, makes the structure of ball bulb more firm firm.
Preferably, some evenly upper heat radiation through holes 22 spaced apart are offered on the top of radiator 20, to improve thermal convection current efficiency.
Preferably, some along the circumferential direction even lower heat radiation through holes 16 spaced apart are offered in the lower end of printing opacity lamp housing 10, to improve thermal convection current efficiency.
Preferably, LED light source plate 70 is multiple, and multiple LED light source plates 70 are along the circumferential direction evenly spaced apart in the sidewall of radiator 20, to improve luminous efficiency.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.

Claims (9)

1. a LED bulb lamp, is characterized in that: it comprises lamp holder, printing opacity lamp housing, radiator, LED light source plate and light source driven unit;
The bottom of printing opacity lamp housing connects lamp holder, and an assembling through hole is offered in the upper end of printing opacity lamp housing, and lower heat radiation through hole is offered in the lower end of printing opacity lamp housing; Radiator is installed in printing opacity lamp housing, and extend outside printing opacity lamp housing through the assembling through hole of printing opacity lamp housing on the top of radiator; In radiator, offer the heat radiation cavity that runs through bottom, heat radiation cavity is communicated with lower heat radiation through hole, and the upper heat radiation through hole that is communicated with heat radiation cavity is offered on the top of radiator; Light source driven unit is installed in this heat radiation cavity, and LED light source plate is installed on outside the sidewall of radiator.
2. LED bulb lamp as claimed in claim 1, is characterized in that: the sidewall of radiator is provided with fin, and printing opacity lamp housing is offered the strip groove extending vertically, and the fin of radiator, through the strip groove of printing opacity lamp housing, extends outside printing opacity lamp housing.
3. LED bulb lamp as claimed in claim 2, is characterized in that: the sidewall of radiator is provided with some along the circumferential direction even fin spaced apart, and printing opacity lamp housing is corresponding offers some strip grooves, and each fin extends outside a corresponding strip groove.
4. LED bulb lamp as claimed in claim 1, it is characterized in that: printing opacity lamp housing is interlocked and is surrounded by left lamp housing and right lamp housing, in the upper end of left lamp housing and right lamp housing, respectively laterally extend shackle member on, the corresponding two grafting through holes of offering in upper end of radiator, the upper shackle member of left lamp housing and right lamp housing is installed in respectively in two grafting through holes of radiator.
5. LED bulb lamp as claimed in claim 4, is characterized in that: the lower end of left lamp housing laterally extends shackle member, the corresponding installation through hole of offering in lower end of right lamp housing, and the lower shackle member of left lamp housing is installed in the installation through hole of right lamp housing.
6. the LED bulb lamp as described in claim 4 or 5, is characterized in that: the lower end of right lamp housing laterally extends shackle member, the corresponding installation through hole of offering in lower end of left lamp housing, and the lower shackle member of right lamp housing is installed in the installation through hole of left lamp housing.
7. LED bulb lamp as claimed in claim 1, is characterized in that: some evenly upper heat radiation through holes spaced apart are offered on the top of radiator.
8. LED bulb lamp as claimed in claim 1, is characterized in that: some along the circumferential direction even lower heat radiation through holes spaced apart are offered in the lower end of printing opacity lamp housing.
9. LED bulb lamp as claimed in claim 1, is characterized in that: LED light source plate is multiple, and multiple LED light source plates are along the circumferential direction evenly spaced apart in the sidewall of 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 true CN105605445A (en) 2016-05-25
CN105605445B CN105605445B (en) 2018-10-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060126338A1 (en) * 2004-12-10 2006-06-15 Mighetto Paul R Apparatus for providing light
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060126338A1 (en) * 2004-12-10 2006-06-15 Mighetto Paul R Apparatus for providing light
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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