CN105508893A - LED bulb lamp - Google Patents

LED bulb lamp Download PDF

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Publication number
CN105508893A
CN105508893A CN201510960083.3A CN201510960083A CN105508893A CN 105508893 A CN105508893 A CN 105508893A CN 201510960083 A CN201510960083 A CN 201510960083A CN 105508893 A CN105508893 A CN 105508893A
Authority
CN
China
Prior art keywords
heat
conducting piece
light source
thread part
lamp holder
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.)
Pending
Application number
CN201510960083.3A
Other languages
Chinese (zh)
Inventor
林运南
李琛
曾茂进
林诚聚
叶和木
杨小明
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.)
Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Original Assignee
Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhangzhou Lidaxin Optoelectronic Technology Co ltd filed Critical Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority to CN201510960083.3A priority Critical patent/CN105508893A/en
Publication of CN105508893A publication Critical patent/CN105508893A/en
Pending legal-status Critical Current

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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 invention discloses an LED bulb lamp. The LED bulb lamp comprises a bulb shell, a light source plate provided with an LED light source, and a lamp cap; the bottom of the bulb shell is fixed at the top of the lamp cap to form a cavity; and an internal thread part is arranged on the inner side wall of the lamp cap. The LED bulb lamp further comprises a heat conducting piece; an external thread part is arranged at the bottom of the outer side wall of the heat conducting piece; the heat conducting piece is matched and connected with the internal thread part through the external thread part to realize heat connection with the lamp cap; the top of the heat conducting piece is projected in the bulb shell; and the light source plate is arranged at the top of the heat conducting piece, and is thermally connected with the heat conducting piece. The LED bulb lamp has the advantages of high heat dissipation efficiency and simple structure.

Description

LEDbulb lamp
Technical field
The present invention relates to field of LED illumination, particularly a kind of LEDbulb lamp.
Background technology
Existing LED lamp application is more and more extensive, and operationally, can give out a large amount of heats, power is larger for LED light source, and the heat distributed is more, considers the hyperthermia and superheating phenomenon produced when LED light source works, needs the object reaching auxiliary heat dissipation in conjunction with radiator.At present, LEDbulb lamp is typically equipped with radiator auxiliary heat dissipation, but existing radiator heat-dissipation process air mobile phase is to less, and radiating effect meets the requirements not yet.In addition, the light source board of LEDbulb lamp is as being arranged in heat radiator body, then luminous scope does not reach the requirement of all-round light, if and light source board raises installation, luminous scope increases, and the distance of light source board and heat radiator body strengthens, and radiating effect reduces greatly, be unfavorable for the reduction of LED light source junction temperature, very easily cause LED light source to lose efficacy or affect the use safety of light fixture.At present, if LEDbulb lamp wants the profile reaching similar conventional incandescent, just need the heat dissipation problem considering LED light source, otherwise easily cause the life-span of LED bulb not long.
Summary of the invention
In view of this, be necessary to provide that a kind of radiating efficiency is high, the simple LEDbulb lamp of structure.
The technical solution used in the present invention is: a kind of LEDbulb lamp, comprise bulb housing, be provided with the light source board of LED light source, lamp holder, the top formation cavity of this lamp holder is fixed in the bottom of this bulb housing, the madial wall of this lamp holder is provided with internal thread part, also comprise heat-conducting piece, external thread part is provided with bottom the lateral wall of this heat-conducting piece, this heat-conducting piece mates to be connected by this external thread part and this internal thread part and realizes and this lamp holder thermally coupled, the top of this heat-conducting piece is protruded and is arranged in this bulb housing, and this light source board is arranged at the top of this heat-conducting piece and thermally coupled with this heat-conducting piece.
Compared with prior art, this LEDbulb lamp be provided with heat-conducting piece, this light source board is arranged at this heat-conducting piece top, this heat-conducting piece adopts with this lamp holder and is threaded, the heat that LED light source on this light source board produces can effectively outwards be dispelled the heat by this heat-conducting piece and lamp holder, effectively takes away the heat that this light source board produces, thus greatly reduces the temperature of LED light source, improve the radiating efficiency of the whole lamp of this LEDbulb lamp, extend the service life of this LEDbulb lamp.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the LEDbulb lamp of first embodiment of the invention.
Fig. 2 is the generalized section after the assembling of LEDbulb lamp shown in Fig. 1.
Fig. 3 is the generalized section along another angle after the assembling of LEDbulb lamp shown in Fig. 1.
Description of reference numerals:
10 bulb housing 20 light source boards
30 lamp holder 40 heat-conducting pieces
50 drive plate 60 insulating cylinders
70 screw 21LED light sources
22 perforation 31 internal thread parts
41 external thread part 412 slots to make way
43 second through hole 51 wires
61 first through hole 62 first insulated rings
63 second insulated ring 100LED bulb lamps
Detailed description of the invention
Fig. 1 is the three-dimensional exploded view of the LEDbulb lamp of first embodiment of the invention.This LEDbulb lamp 100 comprises bulb housing 10, is provided with the light source board 20 of LED light source 21, lamp holder 30.The top formation cavity of this lamp holder 30 is fixed in the bottom of this bulb housing 10, and the madial wall of this lamp holder 30 is provided with internal thread part 31.This bulb housing 10 was hemisphere bubble shell structure.It is thermally coupled that heat-conducting glue is passed through at the bottom of this bulb housing 10 and the top of this lamp holder 30.
Please refer to Fig. 1 to Fig. 3, this LEDbulb lamp 100 also comprises heat-conducting piece 40, and this heat-conducting piece 40 is tubular shell structure, and the bottom of this heat-conducting piece 40 is provided with opening.External thread part 41 is provided with bottom the lateral wall of this heat-conducting piece 40, this heat-conducting piece 40 mates to be connected by this external thread part 41 and this internal thread part 31 and realizes and this lamp holder 30 thermally coupled, the top of this heat-conducting piece 40 is protruded and is arranged in this bulb housing 10, and this light source board 20 is arranged at the top of this heat-conducting piece 40 and thermally coupled with this heat-conducting piece 40.This heat-conducting piece 40 is made up of metal material.
Wherein, also comprise drive plate 50, this drive plate 50 is arranged in this heat-conducting piece 40, also comprise wire 51, one end of these wires 51 is electrically connected with this drive plate 50, the other end of these wires 51 passes the bottom of this heat-conducting piece 40, and the other end of these wires 51 is held in contact to be formed with this lamp holder 30 between the madial wall of this lamp holder 30 and the lateral wall of this heat-conducting piece 40 and is electrically connected.The external thread part 41 of this heat-conducting piece 40 is provided with slot to make way 412, and the other end of these wires 51 is contained in this slot to make way 412.
Wherein, also comprise insulating cylinder 60, this insulating cylinder 60 is set in the periphery of this drive plate 50, and this heat-conducting piece 40 is set in the periphery of this insulating cylinder 60.This insulating cylinder 60 forms buffer action to this drive plate 50.
Wherein, also comprise screw 70, this light source board 20 is to being provided with perforation 22 by screw 70, the end face of this insulating cylinder 60 and the end face of this heat-conducting piece 40 are to being provided with the first through hole 61 and the second through hole 42 by screw 70, this screw 70 is fixed sealed to this light source board 20, heat-conducting piece 40 and insulating cylinder 60 through this perforation 22, first through hole 61 and the second through hole 42, the end face of this insulating cylinder 60 protrudes around this first through hole 61 and is provided with the first insulated ring 62, this the first insulated ring 62 correspondence stretches in this second through hole 42, insulate to make screw 70 and this heat-conducting piece 40.The top of this first insulated ring 62 is integrally formed with the second insulated ring 63, and the perforation 22 that this second insulated ring 63 correspondence stretches into this light source board 20 is interior to make screw 70 and light source board 20 insulate.
In sum, this LEDbulb lamp 100 be provided with heat-conducting piece 40, this light source board 20 is arranged at this heat-conducting piece 40 top, this heat-conducting piece 40 adopts with this lamp holder 30 and is threaded, the heat that LED light source 21 on this light source board 20 produces can effectively outwards be dispelled the heat by this heat-conducting piece 40 and lamp holder 30, effectively take away the heat that this light source board 20 produces, thus greatly reduce the temperature of LED light source 21, improve the radiating efficiency of the whole lamp of this LEDbulb lamp 100, extend the service life of this LEDbulb lamp 100, radiator structure is simple.In addition, this light source board 20 be arranged at the top of this heat-conducting piece 40 and extend in this bulb housing 10, make this LED light source 21 can illuminate the whole lamp of this LEDbulb lamp 100, the incandescent lamp in appearance with traditional is similar, tailored appearance, and manufacturing process is relatively simple.By arranging this first insulated ring 62 and this second insulated ring 63, the heat-conducting piece 40 this can be made up of metal material and the drive plate 50 in this insulating cylinder 60 completely electric isolution come, guarantee to insulate completely between drive plate 50 and light source board 20, can not be short-circuited.
These are only preferred embodiment of the present invention above, and not in order to limit the present invention, any those skilled in the art, not departing from this programme technical scope, can work as and utilize the technology contents of above-mentioned exposure to be the Equivalent embodiments of equal change as few modifications.In every case for departing from technical solution of the present invention content, according to the technology of the present invention essence to any amendment made for any of the above embodiments, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.

Claims (10)

1. a LEDbulb lamp, comprise bulb housing, be provided with the light source board of LED light source, lamp holder, the top formation cavity of this lamp holder is fixed in the bottom of this bulb housing, the madial wall of this lamp holder is provided with internal thread part, it is characterized in that: also comprise heat-conducting piece, external thread part is provided with bottom the lateral wall of this heat-conducting piece, this heat-conducting piece mates to be connected by this external thread part and this internal thread part and realizes and this lamp holder thermally coupled, the top of this heat-conducting piece is protruded and is arranged in this bulb housing, and this light source board is arranged at the top of this heat-conducting piece and thermally coupled with this heat-conducting piece.
2. LEDbulb lamp according to claim 1, is characterized in that: this heat-conducting piece is tubular shell structure, and the bottom of this heat-conducting piece is provided with opening.
3. LEDbulb lamp according to claim 1, it is characterized in that: also comprise drive plate, this drive plate is arranged in this heat-conducting piece, also comprise wire, one end of described wire is electrically connected with this drive plate, the other end of described wire passes the bottom of this heat-conducting piece, and the other end of described wire is held in contact to be formed with this lamp holder between the madial wall of this lamp holder and the lateral wall of this heat-conducting piece and is electrically connected.
4. LEDbulb lamp according to claim 3, is characterized in that: the external thread part of this heat-conducting piece is provided with slot to make way, and the other end of described wire is contained in this slot to make way.
5. LEDbulb lamp according to claim 3, it is characterized in that: also comprise insulating cylinder, this insulating cylinder is set in the periphery of this drive plate, this heat-conducting piece is set in the periphery of this insulating cylinder.
6. LEDbulb lamp according to claim 5, it is characterized in that: also comprise screw, this light source board is to being provided with perforation by screw, the corresponding described screw of end face of the end face of this insulating cylinder and this heat-conducting piece is provided with the first through hole and the second through hole, this screw is fixed sealed to this light source board, heat-conducting piece and insulating cylinder through this perforation, the first through hole and the second through hole, the end face of this insulating cylinder protrudes around described first through hole and is provided with the first insulated ring, and described first insulated ring correspondence stretches in described second through hole.
7. LEDbulb lamp according to claim 6, is characterized in that: the top of this first insulated ring is integrally formed with the second insulated ring, and the perforation that this second insulated ring correspondence stretches into this light source board is interior to make screw and light source board insulate.
8. LEDbulb lamp according to claim 1, is characterized in that: the top of the bottom of this bulb housing and this lamp holder is thermally coupled by heat-conducting glue.
9. LEDbulb lamp according to claim 1, is characterized in that: this heat-conducting piece is made up of metal material.
10. LED radiator structure according to claim 1, is characterized in that: this bulb housing was hemisphere bubble shell structure.
CN201510960083.3A 2015-12-18 2015-12-18 LED bulb lamp Pending CN105508893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510960083.3A CN105508893A (en) 2015-12-18 2015-12-18 LED bulb lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510960083.3A CN105508893A (en) 2015-12-18 2015-12-18 LED bulb lamp

Publications (1)

Publication Number Publication Date
CN105508893A true CN105508893A (en) 2016-04-20

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ID=55717082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510960083.3A Pending CN105508893A (en) 2015-12-18 2015-12-18 LED bulb lamp

Country Status (1)

Country Link
CN (1) CN105508893A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106989293A (en) * 2017-03-21 2017-07-28 宁波亚茂光电股份有限公司 A kind of fixing device and LED
CN107388061A (en) * 2016-05-17 2017-11-24 湖南国盛石墨科技有限公司 A kind of graphene LEDbulb lamp
CN109477615A (en) * 2016-07-14 2019-03-15 飞利浦照明控股有限公司 Solid-state lighting lamp

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202032362U (en) * 2011-04-16 2011-11-09 田仁德 Light emitting diode (LED) tube lamp adopting heat column for heat radiation
CN203115551U (en) * 2012-12-11 2013-08-07 叶梦佳 LED (light emitting diode) lamp with long service life
CN203176949U (en) * 2013-03-29 2013-09-04 陈忠 High-voltage-resisting LED (Light Emitting Diode) bulb lamp
CN103322454A (en) * 2013-06-08 2013-09-25 立达信绿色照明股份有限公司 High-radiating-performance light-emitting diode (LED) bulb lamp
CN103423646A (en) * 2013-08-26 2013-12-04 立达信绿色照明股份有限公司 Integrated LED (Light Emitting Diode) bulb
CN203517706U (en) * 2013-06-21 2014-04-02 立达信绿色照明股份有限公司 LED bulb lamp with radiating lamp cap
CN203549517U (en) * 2013-11-27 2014-04-16 厦门闳照光电有限公司 G9 lamp holder LED lamp
CN205331857U (en) * 2015-12-18 2016-06-22 漳州立达信光电子科技有限公司 LED bulb lamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202032362U (en) * 2011-04-16 2011-11-09 田仁德 Light emitting diode (LED) tube lamp adopting heat column for heat radiation
CN203115551U (en) * 2012-12-11 2013-08-07 叶梦佳 LED (light emitting diode) lamp with long service life
CN203176949U (en) * 2013-03-29 2013-09-04 陈忠 High-voltage-resisting LED (Light Emitting Diode) bulb lamp
CN103322454A (en) * 2013-06-08 2013-09-25 立达信绿色照明股份有限公司 High-radiating-performance light-emitting diode (LED) bulb lamp
CN203517706U (en) * 2013-06-21 2014-04-02 立达信绿色照明股份有限公司 LED bulb lamp with radiating lamp cap
CN103423646A (en) * 2013-08-26 2013-12-04 立达信绿色照明股份有限公司 Integrated LED (Light Emitting Diode) bulb
CN203549517U (en) * 2013-11-27 2014-04-16 厦门闳照光电有限公司 G9 lamp holder LED lamp
CN205331857U (en) * 2015-12-18 2016-06-22 漳州立达信光电子科技有限公司 LED bulb lamp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388061A (en) * 2016-05-17 2017-11-24 湖南国盛石墨科技有限公司 A kind of graphene LEDbulb lamp
CN109477615A (en) * 2016-07-14 2019-03-15 飞利浦照明控股有限公司 Solid-state lighting lamp
US10928011B2 (en) 2016-07-14 2021-02-23 Signify Holding B.V. Solid-state lighting lamp
CN109477615B (en) * 2016-07-14 2021-10-22 昕诺飞控股有限公司 Solid-state lighting lamp
CN106989293A (en) * 2017-03-21 2017-07-28 宁波亚茂光电股份有限公司 A kind of fixing device and LED

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Application publication date: 20160420

RJ01 Rejection of invention patent application after publication