CN106523946A - LED filament lamp - Google Patents
LED filament lamp Download PDFInfo
- Publication number
- CN106523946A CN106523946A CN201611007019.4A CN201611007019A CN106523946A CN 106523946 A CN106523946 A CN 106523946A CN 201611007019 A CN201611007019 A CN 201611007019A CN 106523946 A CN106523946 A CN 106523946A
- Authority
- CN
- China
- Prior art keywords
- led filament
- base portion
- led
- earthly branches
- twelve earthly
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
Abstract
The invention discloses an LED filament lamp. The LED filament lamp comprises an LED filament module and a heat dissipating module; the LED filament module includes a base part, and multiple filament parts spaced in the length direction of the base part; the base part is bent as a cylinder; the heat dissipating module includes a heat conducting boss; the base part is fixedly connected with the heat conducting boss; and the inner surface of the base part is bonded with the side surface of the heat conducting boss. The LED filament lamp has the following beneficial effects: the whole surface of the cylindrically bent base part is bonded on the side surface of the heat conducting boss, so that the contact area is large, the full heat exchange between the two is facilitated, and the heat generated by an LED light source can be absorbed through the filament part and transferred to the base part for dissipating to the external along the heat conducting boss.
Description
Technical field
The present invention relates to LED technology, more particularly to a kind of LED filament lamp.
Background technology
Traditional LED filament lamp is generally adopted and fills heat-conducting gas and glass envelope bubble technique manufacture, the skill that this technique is steeped to envelope
Art has high demands, apparatus expensive, be easily caused envelope bubble be not tamping, gas leakage, blast and the problems such as frangible glass envelope；And the radiating of gas
Limited capacity, powerful filament lamp face the difficult technical problem of radiating；The lux maintenance of whole lamp is low simultaneously, short life.
It is existing using ceramic filament exempt from inflate LED filament lamp, because the restriction of heat conductivility cannot meet A806, A1060, A1521,
The radiating requirements of the main flow lamp-type such as North America A1100 and A1600, the radiating for needing exploitation high heat conduction filament badly to meet main flow lamp-type will
Ask.
The Chinese utility model patent of Patent No. 201320521382.3 discloses a kind of comb LED component, it is adaptable to
LED steeps shape lamp, and which includes：Jing is punched integrally formed component, the component include master bar and extend from master bar it is a plurality of
Sub- bar, when flat board is launched into, master bar and many strip bar shapeds are into pectination；Encapsulation or the LED core being mounted on the surface of many strip bars
Piece；It is formed on master bar and sub- bar to electrically connect the conductive line chart of the LED chip；Wherein, the master bar of component is rolled into cylindrical shape
Master bar circle so that the outside that the light-emitting area of the LED chip on sub- bar surface is enclosed towards cylindric master bar.That is, design a pectination
Wiring board, LED chip is arranged on wiring board, and realizes electrical connection by conductive line chart, and master bar is rolled into a cylinder then
Shape master bar circle, so that the LED chip being arranged on can be towards multiple angles, to obtain larger angular.
Scheme disclosed in above-mentioned patent mainly solves the problems, such as that existing LED lamp lighting angle is little, but does not solve LED
Filament lamp radiates difficult and causes the technical problem of whole lamp short life.
The content of the invention
The technical problem to be solved is to provide a kind of good LED filament lamp of heat dispersion.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of LED filament lamp, including LED filament
Component and radiating subassembly, the LED filament component include base portion and multiple along the spaced filament portion in base length direction, institute
State base portion bending to be cylindrical in shape, the radiating subassembly includes heat conduction boss, and the base portion is fixedly connected with the heat conduction boss, base portion
Inner surface fit with the side of heat conduction boss.
The beneficial effects of the present invention is：Bend the side that the whole face of tubular base portion is fitted in heat conduction boss, contact surface
Product is big, is conducive to both to carry out sufficient heat exchange such that it is able to which the heat that LED light source is produced is absorbed and passed by filament portion
It is handed to base portion tailing edge heat conduction boss and is dissipated into outside.
Description of the drawings
Three-dimensional structure diagrams of the Fig. 1 for the LED filament lamp of the embodiment of the present invention.
Exploded views of the Fig. 2 for the LED filament lamp of the embodiment of the present invention.
Cross section views of the Fig. 3 for the LED filament lamp of the embodiment of the present invention.
Fig. 4 is the exploded view after the LED filament component expansion of the LED filament lamp of the embodiment of the present invention.
Fig. 5 is the front view after the LED filament component expansion of the LED filament lamp of the embodiment of the present invention.
Fig. 6 is positive three-dimensional view after the LED filament component expansion of the LED filament lamp of the embodiment of the present invention.
Three-dimensional views of the Fig. 7 for the back side after the LED filament component expansion of the LED filament lamp of the embodiment of the present invention.
Three-dimensional structure diagrams of the Fig. 8 for the LED filament component of the LED filament lamp of the embodiment of the present invention.
Label declaration：
10th, LED filament component；11st, base portion；11a, inner surface；11b, fourth of the twelve Earthly Branches point；11c, outer surface；11d, head end；11e, end
End；12nd, filament portion；13rd, insulating barrier；14th, copper foil circuit layer；15th, LED chip；16th, fluorescent adhesive layer；
20th, radiating subassembly；21st, heat conduction boss；21a, side；21b, fourth of the twelve Earthly Branches groove；22nd, lug；23rd, gap；
30th, lampshade；40th, lamp body；50th, lamp holder；60th, power supply；70th, cavity.
Specific embodiment
By describing technology contents of the invention, structural features in detail, realizing purpose and effect, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is：Increase LED-baseplate (i.e. base portion) contact with radiator (i.e. heat conduction boss)
Area, effectively improves the radiating efficiency of LED light source.
Refer to Fig. 1 to Fig. 3, a kind of LED filament lamp, including LED filament component 10 and radiating subassembly 20, the LED
Silk component 10 includes base portion 11 and multiple along the spaced filament portion 12 of 11 length direction of base portion, and the bending of the base portion 11 is in cylinder
Shape, the radiating subassembly 20 include heat conduction boss 21, and the base portion 11 is fixedly connected with the heat conduction boss 21, base portion 11 it is interior
Surface 11a is fitted with the side 21a of heat conduction boss 21.
Knowable to foregoing description, the beneficial effects of the present invention is：Bending the whole face of tubular base portion, to be fitted in heat conduction convex
The side of platform, contact area are big, are conducive to both to carry out sufficient heat exchange such that it is able to lead to the heat that LED light source is produced
Cross filament portion and absorb and be transferred to base portion tailing edge heat conduction boss and be dissipated into outside.
Further, the radiating subassembly 20 also includes being arranged on the outside of the heat conduction boss 21 extremely with 23 ground of gap
A few lug 22, the base portion 11 are located in the gap 23 and the side 21a of heat conduction boss 21 are pressed in by lug 22.
Preferably, the lug 22 is provided with least two, and at least two lugs 22 are around the periphery of the heat conduction boss 21
Arrange.In the embodiment shown in Fig. 1 to Fig. 3, lug 22 is provided with four, is looped around the surrounding of heat conduction boss 21 and uniformly divides
Cloth, can so produce to the more chucking power in a balanced way of base portion 11.
Seen from the above description, lug is set used as clamp structure, for base portion is clamped in heat conduction boss in assembling
In gap and lug between, the function of fixed LED filament component is played.Usually, the width in gap is set to be slightly less than base
The thickness in portion, so as to realize that interference connects, and can be easy for installation and removal.
Further, with reference to Fig. 1, Fig. 2 and Fig. 4 to Fig. 8, it is convex that the base portion 11 is provided with least one inner surface 11a
The fourth of the twelve Earthly Branches point 11b for rising, the side 21a of the heat conduction boss 21 are provided with least one fourth of the twelve Earthly Branches groove 21b, the position sum of the fourth of the twelve Earthly Branches groove 21b
Measure the position with the fourth of the twelve Earthly Branches point 11b and quantity matches.
Seen from the above description, coordinate the structure of fourth of the twelve Earthly Branches groove that base portion preferably can be positioned at heat conduction boss using fourth of the twelve Earthly Branches point
On.
Further, the LED filament component 10 includes insulating barrier 13 and copper foil circuit layer 14, and insulating barrier 13 is located at described
Base portion 11 and the surface in filament portion 12, copper foil circuit layer 14 are located on the insulating barrier 13 of the outer surface 11c of base portion 11, such as
Shown in Fig. 5, the cabling of copper foil circuit layer 14 evades the fourth of the twelve Earthly Branches point 11b.
Further, high reflection layer, the high reflection layer are set on the insulating barrier 13 on the surface in each filament portion 12
Multiple LED chips 15 are provided with, are electrically connected by gold thread between the multiple LED chips 15 in same filament portion.
Seen from the above description, high reflection layer is capable of the light of reflex LED light source, improves light source light extraction efficiency.High reflection
The general material higher using reflectance of layer is made, it is preferred that typically using high reflection silver layer by being deposited with work in actual production
Skill is covered on insulating barrier.
Further, the thickness of the insulating barrier 13 is 45um～55um, and the thickness of the copper foil circuit layer 14 is 20um
～30um.
Further, as shown in figure 8, the head end 11d and end 11e of the base portion 11 are connected constitutes the base portion 11 of tubular.
Further, one of the head end 11d and the end 11e arrange fourth of the twelve Earthly Branches point, another one and arrange fourth of the twelve Earthly Branches groove, head end
11d is connected and is fixed by fourth of the twelve Earthly Branches point and fourth of the twelve Earthly Branches groove with end 11e overlappings.
Further, the flexible aluminium base that the base portion 11 and multiple filament portions 12 are formed in one, the flexible aluminium base
The thickness of plate is 0.2mm～1.6mm.
Seen from the above description, flexible base portion arbitrarily can bend, and can be bent by tool after LED filament component is made
Base portion simultaneously makes the head and end of base portion overlap connection, forms tubular and is sheathed on heat conduction boss, and overall manufacturing process is simple, can carry
High efficiency.
Fig. 1 to Fig. 3 is refer to, embodiments of the invention one are：A kind of LED filament lamp, including LED filament component 10, dissipate
Hot component 20, lampshade 30, lamp body 40, lamp holder 50 and power supply 60.
LED filament component 10 is arranged on radiating subassembly 20, and radiating subassembly 20 is arranged in lamp body 40, and lampshade 30 is arranged on
The upper end of lamp body 40, lamp holder 50 are arranged on the lower end of lamp body 40, a kind of sky that radiating subassembly 20, lamp body 40 and lamp holder 50 are constituted
Cavity 70, in the cavity 70, power supply 60 is electrically connected power supply 60 respectively with LED filament component 10 and lamp holder 50.
Expanded view with reference to shown in Fig. 4 to Fig. 7, LED filament component 10 include base portion 11, four along 11 length direction of base portion
Filament portion 12, insulating barrier 13, copper foil circuit layer 14, LED chip 15 and fluorescent adhesive layer 16 that equi-spaced apart is arranged.Base portion 11 and four
The flexible aluminium base that individual filament portion 12 is formed in one, the thickness of flexible aluminium base may be configured as 0.9mm.Base portion 11 is provided with four
Inner surface 11a raised fourth of the twelve Earthly Branches point 11b.Insulating barrier 13 is covered in the surface in base portion 11 and filament portion 12, and copper foil circuit layer 14 sets
In on the insulating barrier 13 of 11 outer surface 11c of base portion, the cabling of copper foil circuit layer 14 evades fourth of the twelve Earthly Branches point 11b.Each filament portion
High reflection layer is set, and high reflection layer is provided with multiple LED chips 15, positioned at same filament portion 12 on the insulating barrier 13 on 12 surface
On multiple LED chips 15 between electrically connected by gold thread, it is electric by Copper Foil between LED chip 15 in different filament portions 12
Road floor 14 is electrically connected,.In the present embodiment, the thickness of insulating barrier 13 may be configured as 50um, and the thickness of copper foil circuit layer 14 can set
It is set to 25um.
Three-dimensional structure diagram with reference to shown in Fig. 8, the head end 11d and end 11e of base portion 11 are connected and constitute the base portion 11 of tubular,
Arrange on head end 11d and fourth of the twelve Earthly Branches point is set on fourth of the twelve Earthly Branches groove, end 11e, head end 11d is connected with end 11e overlappings and by the fourth of the twelve Earthly Branches Dian Maoru fourths of the twelve Earthly Branches
Both are fixed by groove.Meanwhile, four filament portions 12 all bend inwards certain angle, so as to obtain predetermined rising angle.
Radiating subassembly 20 includes heat conduction boss 21 and lug 22, and lug 22 is provided with four and around the outer of heat conduction boss 21
Enclose uniform, between heat conduction boss 21 and four lugs 22, be designed with gap 23, the width in gap 23 is slightly less than the thickness of base portion 11,
That is the width in gap 23 is set smaller than 0.9mm.The side 21a of heat conduction boss 21 is provided with four fourth of the twelve Earthly Branches groove 21b, the position of fourth of the twelve Earthly Branches groove 21b
Put and match with the position of above-mentioned fourth of the twelve Earthly Branches point 11b.
The mode that is fixedly connected between LED filament component 10 and radiating subassembly 20 is：Base portion 11 inserts gap 23 with interference
The interior side 21a so as to heat conduction boss 21 is pressed in by lug 22, while four fourth of the twelve Earthly Branches point 11b rivetings on base portion 11 enter heat conduction boss
In four fourth of the twelve Earthly Branches groove 21b of 21 side 21a, the inner surface 11a for so allowing for base portion 11 is complete with the side 21a of heat conduction boss 21
Laminating, realizes good conduction of heat.In the present embodiment, as filament portion 12 is set to four, add between filament portion 12
Interval, base portion 11 are bent as octagon, and accordingly, the horizontal section of heat conduction boss 21 is also configured as eight sides for matching
Shape, so that both profiles can be matched, it is ensured that inner base surface can be brought into close contact with boss side surfaces are imported.
In other embodiments, base portion 11 can be bent to by different polygons according to the difference of filament portion quantity and is set
Put the heat conduction boss 21 of correspondingly-shaped to match.Base portion 11 can also be bent to circle, be adapted to the heat conduction boss 21 of cylinder
To use.
In sum, the LED filament component of the LED filament lamp that the present invention is provided can easily carry out bending process, and set
The importing boss for putting correspondingly-shaped is matched, and the whole face of base portion of tubular is fitted in the side of heat conduction boss, and contact area is big, has
Carry out sufficient heat exchange beneficial to both such that it is able to which the heat that LED light source is produced is absorbed by filament portion and is transferred to base
Portion's tailing edge heat conduction boss is dissipated into outside, perfect heat-dissipating.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
The equivalents made by bright description and accompanying drawing content, or the technical field of correlation is directly or indirectly used in, include in the same manner
In the scope of patent protection of the present invention.
Claims (10)
1. a kind of LED filament lamp, including LED filament component and radiating subassembly, the LED filament component include base portion and multiple edges
The spaced filament portion in base length direction, the base portion bending are cylindrical in shape, it is characterised in that the radiating subassembly includes leading
Hot boss, the base portion are fixedly connected with the heat conduction boss, and the inner surface of base portion is fitted with the side of heat conduction boss.
2. LED filament lamp according to claim 1, it is characterised in that the radiating subassembly also includes having and sets with gap
Put at least one lug in the heat conduction outside the boss, the base portion is in the gap and heat conduction to be pressed in by lug convex
The side of platform.
3. LED filament lamp according to claim 2, it is characterised in that the lug is provided with least two, and at least two is convex
Periphery setting of the piece around the heat conduction boss.
4. LED filament lamp according to claim 1, it is characterised in that it is convex that the base portion is provided with least one inner surface
The fourth of the twelve Earthly Branches point for rising, the side of the heat conduction boss is provided with least one fourth of the twelve Earthly Branches groove, the position of the fourth of the twelve Earthly Branches groove and quantity and the fourth of the twelve Earthly Branches point
Position and quantity match.
5. LED filament lamp according to claim 4, it is characterised in that the LED filament component includes insulating barrier and Copper Foil
Circuit layer, insulating barrier are located at the surface in the base portion and filament portion, insulation of the copper foil circuit layer located at the outer surface positioned at base portion
On layer, the cabling of copper foil circuit layer evades the fourth of the twelve Earthly Branches point.
6. LED filament lamp according to claim 5, it is characterised in that on the insulating barrier on the surface in each filament portion
High reflection layer is set, and the high reflection layer is provided with multiple LED chips, between the multiple LED chips in same filament portion
Electrically connected by gold thread.
7. LED filament lamp according to claim 5, it is characterised in that the thickness of the insulating barrier is 45um～55um, institute
The thickness for stating copper foil circuit layer is 20um～30um.
8. LED filament lamp according to claim 1, it is characterised in that the head end of the base portion is connected with end composition cylinder
The base portion of shape.
9. LED filament lamp according to claim 8, it is characterised in that one of the head end and the end are arranged
Fourth of the twelve Earthly Branches point, another one arrange fourth of the twelve Earthly Branches groove, and head end is connected and is fixed by fourth of the twelve Earthly Branches point and fourth of the twelve Earthly Branches groove with end overlapping.
10. the LED filament lamp according to claim 1～9 any one, it is characterised in that the base portion and multiple filaments
The flexible aluminium base that portion is formed in one, the thickness of the flexible aluminium base is 0.2mm～1.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007019.4A CN106523946A (en) | 2016-11-16 | 2016-11-16 | LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007019.4A CN106523946A (en) | 2016-11-16 | 2016-11-16 | LED filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523946A true CN106523946A (en) | 2017-03-22 |
Family
ID=58353331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611007019.4A Pending CN106523946A (en) | 2016-11-16 | 2016-11-16 | LED filament lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523946A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017107004A1 (en) * | 2017-03-31 | 2018-10-04 | Osram Opto Semiconductors Gmbh | Filament structure, filament structure illumination device and method of manufacturing a filament structure illumination device |
| US10234079B1 (en) | 2018-05-07 | 2019-03-19 | Ledvance Llc | Self-supporting filament light emitting diode light engine lamp assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318886B1 (en) * | 2000-02-11 | 2001-11-20 | Whelen Engineering Company | High flux led assembly |
| CN105485534A (en) * | 2016-01-28 | 2016-04-13 | 漳州立达信光电子科技有限公司 | LED filament lamp |
| CN105674100A (en) * | 2016-01-14 | 2016-06-15 | 漳州立达信光电子科技有限公司 | LED lamp filament lamp |
| CN105805579A (en) * | 2016-01-18 | 2016-07-27 | 漳州立达信光电子科技有限公司 | Large-angle light-emitting LED filament lamp |
| CN206207087U (en) * | 2016-11-16 | 2017-05-31 | 漳州立达信光电子科技有限公司 | LED filament lamp |
-
2016
- 2016-11-16 CN CN201611007019.4A patent/CN106523946A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318886B1 (en) * | 2000-02-11 | 2001-11-20 | Whelen Engineering Company | High flux led assembly |
| CN105674100A (en) * | 2016-01-14 | 2016-06-15 | 漳州立达信光电子科技有限公司 | LED lamp filament lamp |
| CN105805579A (en) * | 2016-01-18 | 2016-07-27 | 漳州立达信光电子科技有限公司 | Large-angle light-emitting LED filament lamp |
| CN105485534A (en) * | 2016-01-28 | 2016-04-13 | 漳州立达信光电子科技有限公司 | LED filament lamp |
| CN206207087U (en) * | 2016-11-16 | 2017-05-31 | 漳州立达信光电子科技有限公司 | LED filament lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017107004A1 (en) * | 2017-03-31 | 2018-10-04 | Osram Opto Semiconductors Gmbh | Filament structure, filament structure illumination device and method of manufacturing a filament structure illumination device |
| US10865947B2 (en) | 2017-03-31 | 2020-12-15 | Osram Oled Gmbh | Filament structure, lighting device having a filament structure, and method for producing a lighting device having a filament structure |
| US10234079B1 (en) | 2018-05-07 | 2019-03-19 | Ledvance Llc | Self-supporting filament light emitting diode light engine lamp assembly |
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Application publication date: 20170322 |
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