CN205480235U - LED (Light emitting diode) filament lamp - Google Patents
LED (Light emitting diode) filament lamp Download PDFInfo
- Publication number
- CN205480235U CN205480235U CN201620031130.6U CN201620031130U CN205480235U CN 205480235 U CN205480235 U CN 205480235U CN 201620031130 U CN201620031130 U CN 201620031130U CN 205480235 U CN205480235 U CN 205480235U
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- Prior art keywords
- led filament
- heat transfer
- transfer part
- column
- substrate
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Abstract
The utility model provides a LED (Light emitting diode) filament lamp, includes LED filament, stand, heat transfer part and radiating piece, this heat transfer part set up on this radiating piece and with this radiating piece hot link, this stand is fixed on this heat transfer part, the top of LED filament is fixed on this stand, the bottom mounting of LED filament is on this heat transfer part, at least one end and this heat transfer part hot link of LED filament, middle part and this stand and this heat transfer part interval of LED filament set up, the luminous angle of LED filament is greater than 180 degrees. This LED (Light emitting diode) filament lamp has simple, the good advantage of dispelling the heat of packaging technology.
Description
Technical field
This utility model relates to technical field of LED illumination, particularly to a kind of LED filament lamp.
Background technology
In recent years, due to quickly growing of LED industry, LED lamp progressively replaces traditional lighting.Owing to LED sends out
Light has the characteristic such as point source and directivity, therefore LED lamp is difficult to replace conventional incandescent completely, accomplishes that full luminous intensity distribution illuminates.Existing
There is a kind of LED filament, be that one group of LED chip encapsulation is formed LED filament on the transparent substrate, it is possible to achieve wide-angle is sent out
Then multiple filaments are connected the illumination effect forming similar tengsten lamp by light.At present, LED filament does not has radiator, LED substantially
Filament cannot be carried out heat conducting and radiating, conducts so being difficult to the heat by LED chip produces, and heat can only be by radiation with interior
The convection current of portion's gas carries out heat conduction and heat radiation, easily causes the accumulation of heat so that the lost of life of LED filament.
Existing LED filament lamp generally uses and fills heat-conducting gas and glass envelope bubble technique manufacture, the technology requirement to envelope bubble of this technique
Height, apparatus expensive, it is easily caused envelope bubble and is not tamping, gas leakage, blast, the problem such as glass envelope is frangible, life-time service there will be leakage
Gas problem, and the heat dispersion of gas is limited, can only meet the exploitation of low-power LED filament lamp, and once do high-power, LED
The heat of the generation of filament cannot shed in time, easily causes cause thermal damage and the light decay of LED chip so that the light of whole lamp is logical to be maintained
Rate is low, and the life-span is short.
Utility model content
In view of this, it is necessary to a kind of simple for assembly process, LED filament lamp of dispelling the heat good is provided.
A kind of LED filament lamp, including LED filament, column, heat transfer part and radiating piece, this heat transfer part is arranged on this radiating piece
Upper and with this radiating piece thermally coupled, this column is fixed on this heat transfer part, and the top of described LED filament is fixed on this column,
The bottom of described LED filament be fixed on this heat transfer part and with this heat transfer part thermally coupled, the middle part of described LED filament with this stand
Post and this heat transfer part interval are arranged, and the lighting angle of described LED filament is more than 180 degree.
Compared with prior art, the two ends of these LED filament are separately fixed on this column and this heat transfer part by this utility model,
This column is fixed on this heat transfer part, and at least one end of these LED filament and this heat transfer part thermally coupled, and this heat transfer part dissipates with this
Warmware thermally coupled, so, the heat part that these LED filament produce is delivered on this radiating piece by this heat transfer part, finally
Distributed by this radiating piece, it is to avoid these LED filament produce the accumulation of heat so that this LED filament light fixture has good
Radiating effect, and without additionally filling heat-conducting gas and glass envelope bubble technique, it is to avoid exclusively for fill heat-conducting gas and glass envelope steep and
The complicated technology of design, has simple for assembly process, good advantage of dispelling the heat.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model LED filament lamp first embodiment.
Fig. 2 is the three-dimensional exploded view of LED filament lamp shown in Fig. 1.
Fig. 3 is the profile of LED filament lamp shown in Fig. 1.
Fig. 4 is the three-dimensional exploded view of LED filament in LED filament lamp shown in Fig. 1.
Description of reference numerals:
10 LED filament 11 substrates
12 LED light source 13 electrode tips
131 connecting portion 132 pars contractilis
14 heat-conducting layer 15 encapsulated layers
30 heat transfer part 40 radiating pieces
50 first line plate 60 second wiring boards
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Refer to Fig. 1 to Fig. 4, this LED filament lamp includes six LED filament 10, column 20, heat transfer part 30 and radiating piece
40.This heat transfer part 30 be arranged on this radiating piece 40 and with this radiating piece 40 thermally coupled, this column 20 is fixed on this heat transfer part
On 30, the top of these LED filament 10 is fixed on this column 20, and the bottom of these LED filament 10 is fixed on this heat transfer
In portion 30.In the present embodiment, being additionally provided with hemisphere cell-shell shape bulb housing, this bulb housing is arranged on the top of this radiating piece 40,
And in these LED filament 10, column 20 and heat transfer part 30 are located at.
Wherein, at least one end of these LED filament 10 and this heat transfer part 30 thermally coupled, say, that these LED filament
The bottom of 10 and this heat transfer part 30 thermally coupled;Or the top of these LED filament 10 and this column 20 thermally coupled, meanwhile,
This column 20 and this heat transfer part 30 thermally coupled so that the top of this LED filament 10 and this heat transfer part 30 thermally coupled.These
The middle part of LED filament 10 and this column 20 and this heat transfer part 30 interval are arranged.The lighting angle of these LED filament 10 is more than
180 degree.In the present embodiment, this column 20 is made from a material that be thermally conductive, the top of these LED filament 10 and this column 20 heat
Connect, the bottom of these LED filament 10 and this heat transfer part 30 thermally coupled, so, the heat that these LED filament 10 produce
In time heat can be distributed, it is to avoid heat heap simultaneously from two ends heat transfer respectively to this column 20 and this heat transfer part 30
Long-pending.Owing to the middle part of these LED filament 10 and this column 20 and this heat transfer part 30 interval are arranged, and these LED filament
The lighting angle of 10 is more than 180 degree, so, the light that these LED filament 10 fronts send is by the inwall towards this bulb housing
Launching, the light that these LED filament 10 back sides send will irradiate towards this column 20, and owing to there being interval, light will be worn
Cross the bulb housing inwall irradiation towards these LED filament 10 back sides of this interval.This provides for improved going out of these LED filament 10
Light efficiency, the light distribution making whole lamp is more uniform.
In the present embodiment, this column 20 this heat transfer part 30 substantially vertical is arranged on the middle part of this heat transfer part 30, this column 20
External diameter is less than the external diameter of this heat transfer part 30, and the top of these LED filament 10 is fixed on the lateral surface of this column 20, these LED
The bottom of filament 10 is fixed on the lateral surface of this heat transfer part 30 so that these LED filament 10 form stage body ray structure.This
In embodiment, this column 20 is made up of transparent or semitransparent material, or, this column 20 and this heat transfer part 30 are by transparent or half
Transparent material is made into integration, or, this column 20 and heat transfer part 30 and radiating piece 40 are made into integration.
Additionally, these LED filament 10 include substrate 11 and are arranged on the LED light source 12 on this substrate 11, this substrate 11
It is made up of transparent or semitransparent glass, pottery or sapphire.
In the present embodiment, these LED filament 10 include substrate 11, LED light source 12 and two electrode tips 13, these LED
Light source 12 be arranged on this substrate 11 and with this substrate 11 thermally coupled, these two electrode tips 13 are all made from a material that be thermally conductive, should
Two electrode tips 13 all include connecting portion 131, these connecting portions 131 be arranged on this substrate 11 and with these LED light sources 12
Electrical connection, these connecting portions 131 and this substrate 11 thermally coupled, these LED filament 10 are solid respectively by these electrode tips 13
Be scheduled on this column 20 and this heat transfer part 30, these LED filament 10 by these electrode tips 13 respectively with this column 20 and
Heat transfer part 30 thermally coupled.These two electrode tips 13 are respectively welded on this substrate 11, and these LED light sources 12 are divided by gold thread
Do not electrically connect with these two electrode tips 13.These LED light sources 12 are arranged on the front of this substrate 11, the front of this substrate 11
On be additionally provided with heat-conducting layer 14, the front thermally coupled of this heat-conducting layer 14 and this substrate 11, this heat-conducting layer 14 and these LED light sources
12 intervals are arranged, at least one in these two electrode tips 13 and this heat-conducting layer thermally coupled.This heat-conducting layer 14 is for by this substrate
Heat on 11 is delivered to above-mentioned electrode tip 13 faster.These two electrode tips 13 are made by elastomeric material, each electrode tip
The middle part of 13 is provided with pars contractilis 132, and this pars contractilis 132 is " several " character form structure of bending.During work, this LED filament 10
Encapsulating structure is heated and can expand with heat and contract with cold, but owing to this pars contractilis 132 can occur dilatation, so stress can be avoided
Produce the problem that LED filament 10 bends or ruptures.It is of course also possible to be not provided with this pars contractilis, and directly allow each electrode tip
13 form plate-like structure.Additionally, also include encapsulated layer 15, this encapsulated layer 15 covers the LED light source 12 on this substrate 11
And the connecting portion 131 of these two electrode tips 13.
Additionally, include multiple LED filament 10, also include first line plate 50 and the second wiring board 60, this first line plate
50 lateral surface being arranged on this column 20, this second wiring board 60 is arranged on the lateral surface of this heat transfer part 30, this first line
Plate 50 and this second wiring board 60 top and bottom with these LED filament 10 respectively is electrically connected to these LED filament
10 serial or parallel connections are together.This second wiring board 60 is flexible base board, and the lateral surface of this heat transfer part 30 is truncated cone-shaped structure,
This second wiring board 60 bending after be attached to this heat transfer part 30 lateral surface and with this heat transfer part 30 thermally coupled, so, these
The heat that LED filament 10 produces is delivered on this heat transfer part 30 also by this second wiring board 60, then passes through and this biography
Hot portion 30 this radiating piece 40 hot linked distributes.
In sum, the two ends of these LED filament 10 are separately fixed on this column 20 and this heat transfer part 30 by this utility model,
This column 20 is fixed on this heat transfer part 30, and at least one end of these LED filament and this heat transfer part 30 thermally coupled, this biography
Hot portion 30 and this radiating piece 40 thermally coupled, so, the heat part that these LED filament 10 produce is by this heat transfer part 30
Being delivered on this radiating piece 40, some heat successively can be delivered to this heat transfer part 30, this radiating piece by this column 20
On 40, distribute finally by this radiating piece 40, it is to avoid the heat build-up that these LED filament 10 produce so that this LED
Filament lamp has a good radiating effect, and without additionally filling heat-conducting gas and glass envelope bubble technique, it is to avoid exclusively for filling heat conduction
The complicated technology that gas and glass envelope are steeped and designed, has advantage simple for assembly process.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, any people from this area
Member, without departing from this programme technical scope, utilizes the technology contents of above-mentioned exposure to make the real for the equal equivalence changed of few modifications
Execute example.In every case technical solutions of the utility model content is departed from, according to this utility model technical spirit to made for any of the above embodiments
What amendment, equivalent, improvement etc., should be included within the scope of this utility model protection.
Claims (12)
1. a LED filament lamp, including LED filament, column, heat transfer part and radiating piece, this heat transfer part be arranged on this radiating piece and with this radiating piece thermally coupled, this column is fixed on this heat transfer part, it is characterized in that, the top of described LED filament is fixed on this column, the bottom of described LED filament is fixed on this heat transfer part, at least one end of described LED filament and this heat transfer part thermally coupled, the middle part of described LED filament and this column and this heat transfer part interval are arranged, and the lighting angle of described LED filament is more than 180 degree.
LED filament lamp the most according to claim 1, it is characterised in that: this column is made from a material that be thermally conductive, the top of described LED filament and this column thermally coupled, the bottom of described LED filament and this heat transfer part thermally coupled.
LED filament lamp the most according to claim 1, it is characterised in that: described LED filament includes substrate and arranges LED light source on the substrate, and this substrate is made up of transparent or semitransparent glass, pottery or sapphire.
LED filament lamp the most according to claim 1, it is characterised in that: this column is made up of transparent or semitransparent material, or, this column and this heat transfer part are made into integration by transparent or semitransparent material, or, this column and heat transfer part and radiating piece are made into integration.
LED filament lamp the most according to claim 1, it is characterized in that: this column this heat transfer part substantially vertical is arranged on the middle part of this heat transfer part, the external diameter of this column is less than the external diameter of this heat transfer part, the top of described LED filament is fixed on the lateral surface of this column, and the bottom of described LED filament is fixed on the lateral surface of this heat transfer part.
LED filament lamp the most according to claim 1, it is characterized in that: include multiple LED filament, also include first line plate and the second wiring board, this first line plate is arranged on the lateral surface of this column, this the second wiring board is arranged on the lateral surface of this heat transfer part, and this first line plate and the second wiring board are electrically connected to the top of described LED filament and bottom respectively by together with described LED filament serial or parallel connection.
LED filament lamp the most according to claim 6, it is characterised in that: this second wiring board is flexible base board, and the lateral surface of this heat transfer part is truncated cone-shaped structure, this second wiring board bending after be attached to this heat transfer part lateral surface and with this heat transfer part thermally coupled.
LED filament lamp the most according to claim 1, it is characterized in that: described LED filament includes substrate, LED light source and two electrode tips, described LED light source arranges and on the substrate and is connected with this substrate heat, these two electrode tips are all made from a material that be thermally conductive, these two electrode tips all include connecting portion, described connecting portion arranges and on the substrate and electrically connects with described LED light source, described connecting portion is connected with this substrate heat, described LED filament is separately fixed on this column and this heat transfer part by described electrode tip, described LED filament by described electrode tip respectively with this column and heat transfer part thermally coupled.
LED filament lamp the most according to claim 8, it is characterised in that: also include that encapsulated layer, described encapsulated layer cover the LED light source on this substrate and the connecting portion of these two electrode tips.
LED filament lamp the most according to claim 8, it is characterized in that: described LED light source is arranged on the front of this substrate, it is additionally provided with heat-conducting layer on the front of this substrate, this heat-conducting layer and the front thermally coupled of this substrate, this heat-conducting layer and described LED light source interval are arranged, at least one in these two electrode tips and this heat-conducting layer thermally coupled.
11. LED filament lamps according to claim 8, it is characterised in that: these two electrode tips are respectively welded on the substrate, and described LED light source is electrically connected with these two electrode tips respectively by gold thread.
12. LED filament lamps according to claim 8, it is characterised in that: these two electrode tips are made by elastomeric material, and the middle part of each electrode tip is provided with pars contractilis, and this pars contractilis is " several " character form structure of bending.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620031130.6U CN205480235U (en) | 2016-01-14 | 2016-01-14 | LED (Light emitting diode) filament lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620031130.6U CN205480235U (en) | 2016-01-14 | 2016-01-14 | LED (Light emitting diode) filament lamp |
Publications (1)
Publication Number | Publication Date |
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CN205480235U true CN205480235U (en) | 2016-08-17 |
Family
ID=56668595
Family Applications (1)
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CN201620031130.6U Active CN205480235U (en) | 2016-01-14 | 2016-01-14 | LED (Light emitting diode) filament lamp |
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CN (1) | CN205480235U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN109661858A (en) * | 2016-09-05 | 2019-04-19 | 昕诺飞控股有限公司 | LED and including LED lighting devices |
-
2016
- 2016-01-14 CN CN201620031130.6U patent/CN205480235U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN109661858A (en) * | 2016-09-05 | 2019-04-19 | 昕诺飞控股有限公司 | LED and including LED lighting devices |
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