CN207438198U - LED filament lamp - Google Patents
LED filament lamp Download PDFInfo
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- CN207438198U CN207438198U CN201721561790.6U CN201721561790U CN207438198U CN 207438198 U CN207438198 U CN 207438198U CN 201721561790 U CN201721561790 U CN 201721561790U CN 207438198 U CN207438198 U CN 207438198U
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- Prior art keywords
- light source
- led
- heat transfer
- filament lamp
- transfer platform
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Abstract
A kind of LED filament lamp, including body, conduct heat platform and light source strip, the light source strip includes the multiple LED light sources of substrate and interval setting on the substrate, the heat transfer platform is arranged on the top of the body and is thermally connected with the body, the substrate is made from a material that be thermally conductive, the heat transfer platform is equipped at least a pair of connecting portion, the connecting portion is disposed on the heat transfer platform and is thermally connected with the heat transfer platform respectively, the light source strip is bent to form curve or meander line structure, the both ends of the light source strip are separately fixed on the connecting portion and are thermally connected with the connecting portion, the light source strip is equipped with the conducting end being electrically connected with the external world, the LED light source is electrically connected after being electrically connected to each other with the conducting end.The LED filament lamps and lanterns of the utility model have the advantages of big light emitting angle, good heat dissipation effect.
Description
Technical field
The utility model is related to lighting areas, particularly a kind of LED filament lamp.
Background technology
At present, as LED chip manufacture and encapsulation technology reach its maturity, the cost of LED element substantially reduces, LED is obtained
To being more and more widely used.In field of LED illumination, the energy saving and long-life advantage of LED has obtained sufficient embodiment, market
On emerge in large numbers more and more LED light.Particularly, it is more and more since LED filament lamp is in the very close traditional incandescent lamp of appearance
LED filament lamp favored on the market be subject to consumers in general.
But since LED chip shines with stronger directionality, existing LED filament lamp is often deposited currently on the market
Light emitting angle is less than normal the problem of, the light-out effect as the conventional lamps such as incandescent lamp is unable to reach so that the popularization of LED light
It is restricted with using.In addition, existing LED filament lamp generally require to be filled in bulb housing in the production process of product it is scattered
Hot gas, to solve the heat dissipation problem of LED light strand, but this so that production technology is both complicated or unreliable, in production efficiency and
Very big puzzlement is brought in manufacture cost.Therefore, it is big again without being filled with heat transmission gas in bulb housing how to design a kind of light emitting angle
The LED filament lamp of body becomes urgently solve current technical problem.
Utility model content
In view of this, it is necessary to provide a kind of LED filament lamp, the LED filament lamp light emitting angle is big and without being filled with to it
Radiate gas.
A kind of LED filament lamp, including body, heat transfer platform and light source strip, the light source strip includes substrate and interval setting
Multiple LED light sources on the substrate, the heat transfer platform are arranged on the top of the body and are thermally connected with the body, the substrate
It is made from a material that be thermally conductive, which is disposed on the heat transfer platform respectively equipped at least a pair of connecting portion, the connecting portion
It above and with the heat transfer platform is thermally connected, the light source strip is bent to form curve or meander line structure, and the both ends of the light source strip are solid respectively
It is scheduled on the connecting portion and is thermally connected with the connecting portion, the light source strip is equipped with the conducting end being electrically connected with the external world, institute
It states after LED light source is electrically connected to each other and is electrically connected with the conducting end.
Further, the light source strip is directed away from the direction of the heat transfer platform and is bent to form domes, the LED light source
It is arranged on the light source strip backwards to the outer surface that the heat transfer platform is set.
Further, bulb housing is further included, the quantity of the light source strip is at least two, which is located at the heat transfer
In being contained on platform and by the light source strip, the light source strip intersects setting.
Further, the LED light source on the light source strip is shone light by the encapsulated layer forming face that is integrally coated togather
Source.
Further, which is equipped with radiating part, which is thermally connected with the radiating part, and the radiating part is by insulating
Material is made.
Further, which is made of flexible metallic material.
Further, which includes the line layer of metal layer and setting on the metal layer, and the LED light source is upside-down mounting
LED light source, the line layer are electrically connected with the LED light source and conducting end.
Further, the quantity of the conducting end is two, is separately positioned on the both ends of the light source strip.
Further, which is fabricated from a flexible material, and fluorescent powder is equipped in the encapsulated layer, which is subject to described
The light that LED light source is sent sends the light of another wavelength.
Further, the light source strip is equipped with two groups of LED light source groups being connected in series respectively, the LED light source group hair
Go out different colours or the light of colour temperature.
Further, the LED light source group is electrically connected respectively with external power supply, and controller, the control are equipped in external power supply
Device processed controls the intensity for the curtage for supplying the LED light source group respectively.
Further, connecting plate is further included, which is set in the periphery of the heat transfer platform, and described in connecting plate correspondence
The platform that conducts heat is equipped with relief hole, and the conducting end that each light source strip is corresponded on the connecting plate is additionally provided with electrode terminal, the electrode terminal
One end be electrically connected with the connecting plate, the other end of the electrode terminal is equipped with elastic contact blade, and the elasticity of the electrode terminal is touched
Piece flexibly abuts with the conducting end on the light source strip be electrically connected with realizing respectively.
Compared with prior art, the LED filament lamp by the light source strip by being bent to form curve or meander line structure, and incites somebody to action
The both ends of light source strip are fixed on the connecting portion with being thermally connected respectively, and the LED filament is made to have the advantages that light emitting angle is big;And
And light source strip both ends are fixed on the connecting portion with being thermally connected respectively so that the heat that the LED filament lamp generates when working can
It to be conducted to body by connecting portion in time, and is outwardly distributed by body, can so so that the LED filament lamp need not
Heat dissipation gas is filled in bulb housing, heat dissipation effect is good so that the manufacture production process of LED filament lamp product is more simple.
Description of the drawings
Fig. 1 is the exploded view of first embodiment LED filament lamp.
Fig. 2 is the assembling figure of LED filament lamp shown in Fig. 1.
Fig. 3 is diagrammatic cross-sections of the Fig. 2 along line A-A.
Fig. 4 is the schematic diagram of light source strip.
Reference sign:
10 lamp cap, 33 encapsulated layer
12 driving plate, 40 bulb housing
20 body, 50 connecting plate
21 heat transfer 51 relief holes of platform
22 radiating part, 52 electrode terminal
211 connecting portion, 53 elastic contact blade
30 light source strips 60 cover
31 substrate, 61 through hole
32 conducting end, 62 flange
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
It please refers to Fig.1 to Fig. 4, which includes lamp cap 10, driving plate 12, body 20, connecting plate 50, covering
60th, light source strip 30 and bulb housing 40.The top of lamp cap 10 is connected with the bottom of body 20, and driving plate 12 is placed in lamp cap 10
In the accommodation space formed after being connected with body 20.The heat transfer platform 21 be arranged on the top of the body 20 and with the body
20 are thermally connected.The connecting plate 50 is set in the periphery of the heat transfer platform 21, which covers on the heat transfer platform 21 and be connected to this
The inside of body 20.Light source strip 30 is bent to form curve or meander line structure, and its both ends is thermally connected with heat transfer 21 phase of platform, light bulb
To being connected, which is located on the heat transfer platform 21 and by the light source strip 30 at the top of the bottom of shell 40 and body 20
In being contained in.
The light source strip 30 includes substrate 31 and the multiple LED light source (not shown) being disposed on the substrate 31,
The substrate 31 is made from a material that be thermally conductive, it may be preferable that the substrate 31 is made of flexible metallic material.LED on the light source strip 30
Light source is integrally coated togather forming face illuminating source by an encapsulated layer 33.In the present embodiment, the number of the light source strip 30
It is at least two to measure, and the direction that the light source strip 30 is directed away from the heat transfer platform 21 is bent to form domes, the LED light source
It is arranged on the light source strip 30 backwards to the outer surface that the heat transfer platform 21 is set, the light source strip 30 intersects setting.In this way, light
Source item 30 can be emitted beam with one way or another, so that LED filament lamps and lanterns have the advantages of light emitting angle is big.
The heat transfer platform 21 is equipped at least a pair of connecting portion 211, and the connecting portion 211, which is respectively separated, is arranged on the heat transfer platform
Be thermally connected on 21 and with the heat transfer platform 21, the both ends of the light source strip 30 be separately fixed on the connecting portion 211 and with it is described
Connecting portion 211 is thermally connected.The platform 21 that conducts heat in the present embodiment is equipped with two pairs i.e. 4 connecting portions 211.The body 20 is equipped with
Radiating part 22, the heat transfer platform 21 are thermally connected with the radiating part 22, which is made of insulating materials.LED filament lamp works
When, since heat transfer platform 21 is thermally connected with the body 20, the heat that light source strip 30 generates can be conducted by the connecting portion 211
It conducts to body 20 to heat transfer platform 21, then by heat transfer platform 21, is outwardly distributed heat by body 20.It in this way, can be very
Solve the heat dissipation problem of light source strip 30 well, it is no longer necessary to be filled in bulb housing 40 heat dissipation gas come secondary light source item 30 dissipate
Heat so that LED filament lamp product is more simple in process of production.
Fig. 1 and Fig. 4 is refer to, the light source strip 30 is equipped with the conducting end 32 being electrically connected with the external world, the LED light source phase
Mutually it is electrically connected after electrical connection with the conducting end 32.In the present embodiment, the quantity of the conducting end 32 is two, is separately positioned on this
The both ends of light source strip 30.Substrate 31 on the light source strip 30 includes the line of metal layer (not shown) and setting on the metal layer
Road floor (not shown), the LED light source are flip LED light source, which is electrically connected with the LED light source and conducting end 32
It connects.Encapsulated layer 33 on the light source strip 30 is fabricated from a flexible material, and is so convenient for not interfering with the light when bending light source strip 30
The performance of source item 30.Fluorescent powder is equipped in the encapsulated layer 33, which is subject to the light excitation hair that the LED light source is sent
Go out the light of another wavelength.It is to be appreciated that two groups of LED lights being connected in series respectively are set on the light source strip 30
Source group, the LED light source group send different colours or the light of colour temperature, to meet the greater demand of consumer.The LED light source
Group is electrically connected respectively with external power supply (not shown), and controller is equipped in external power supply, which controls supply institute respectively
State the intensity of the curtage of LED light source group.
When assembling the LED filament lamp, which is set in the periphery of the heat transfer platform 21, and is accommodated in body 20
It is interior.The connecting plate 50 corresponds to the heat transfer platform 21 and is equipped with relief hole 51, so that the connecting plate 50 can be worn by the relief hole 51
It crosses the heat transfer platform 21 and is set in its periphery.The conducting end 32 that each light source strip 30 is corresponded on the connecting plate 50 is additionally provided with electrode tip
Son 52, one end of the electrode terminal 52 is electrically connected with the connecting plate 50, and the other end of the electrode terminal 52 is equipped with elasticity and touches
Piece 53, the elastic contact blade 53 of the electrode terminal 52 flexibly abut to realize respectively with the conducting end 32 on the light source strip 30
Electrical connection.12 one end of driving plate is electrically connected with lamp cap 10, and the other end is electrically connected with connecting plate 50, can so make external power supply
Suitable electric energy supply light source strip 30 is provided.By setting electrode terminal 52 on connecting plate 50 so that light source strip 30 and driving
The electrical connection of plate 12 eliminates traditional bonding wire connection mode so that LED filament lamp operates more easy in process of production.
The covering 60 is whole to be substantially buckled to bowl-shaped shell, which is made of insulating materials.The covering 60, which corresponds to, to be connected
211 position of socket part is additionally provided with through hole 61, is set in the present embodiment there are four through hole 61, can be with so as to the end of two light source strips 30
Each it is connected through corresponding through hole 61 with the connecting portion 211.60 bottom of covering is additionally provided with flange 62 outwardly, the lamp
20 inside corresponding flange of head body, 62 position is equipped with card slot (not shown), which covers on the heat transfer platform 21 and pass through described
Flange 62 is connected in the body 20 on side bayonet slot.The surface of the covering 60 has certain reflection action, can promote this
The light efficiency of LED filament lamp.
The foregoing is merely the utility model preferred embodiments, are not intended to limit the utility model, all in this reality
Within new spirit and principle, any modification, replacement, improvement etc. on an equal basis for being made should be included in the utility model protection
Within the scope of.
Claims (12)
1. a kind of LED filament lamp, including body, heat transfer platform and light source strip, the light source strip includes substrate and is disposed on
Multiple LED light sources on the substrate, the heat transfer platform are arranged on the top of the body and are thermally connected with the body, and feature exists
In:The substrate is made from a material that be thermally conductive, which is disposed on respectively equipped at least a pair of connecting portion, the connecting portion
It being thermally connected on the heat transfer platform and with the heat transfer platform, the light source strip is bent to form curve or meander line structure, and the two of the light source strip
End is separately fixed on the connecting portion and is thermally connected with the connecting portion, and the light source strip is equipped with leads with what the external world was electrically connected
Electric end, the LED light source are electrically connected after being electrically connected to each other with the conducting end.
2. LED filament lamp according to claim 1, it is characterised in that:The light source strip is directed away from the side of the heat transfer platform
To domes are bent to form, the LED light source is arranged on the light source strip backwards to the outer surface that the heat transfer platform is set.
3. LED filament lamp according to claim 2, it is characterised in that:Bulb housing is further included, the quantity of the light source strip is
At least two, in which is located on the heat transfer platform and is contained in the light source strip, the light source strip, which intersects, to be set
It puts.
4. LED filament lamp according to claim 1, it is characterised in that:LED light source on the light source strip is by an encapsulation
Layer is integrally coated togather forming face illuminating source.
5. LED filament lamp according to claim 4, it is characterised in that:The body be equipped with radiating part, the heat transfer platform with
The radiating part is thermally connected, which is made of insulating materials.
6. LED filament lamp according to claim 1, it is characterised in that:The substrate is made of flexible metallic material.
7. LED filament lamp according to claim 1, it is characterised in that:The substrate includes metal layer and is arranged on the metal
Line layer on layer, the LED light source are flip LED light source, which is electrically connected with the LED light source and conducting end.
8. LED filament lamp according to claim 1, it is characterised in that:The quantity of the conducting end is two, is separately positioned on
The both ends of the light source strip.
9. LED filament lamp according to claim 4, it is characterised in that:The encapsulated layer is fabricated from a flexible material, the encapsulated layer
In be equipped with fluorescent powder, the light which is subject to the LED light source to send sends the light of another wavelength.
10. LED filament lamp according to claim 1, it is characterised in that:The light source strip is equipped with two groups of companies of series connection respectively
The LED light source group connect, the LED light source group send different colours or the light of colour temperature.
11. LED filament lamp according to claim 10, it is characterised in that:The LED light source group is electric with external power supply respectively
Connection, is equipped with controller in external power supply, which controls the strong of the curtage that supplies the LED light source group respectively
Degree.
12. LED filament lamp according to claim 1, it is characterised in that:Connecting plate is further included, which is set in this
The periphery of heat transfer platform, and the connecting plate corresponds to the heat transfer platform and is equipped with relief hole, and leading for each light source strip is corresponded on the connecting plate
Electric end is additionally provided with electrode terminal, and one end of the electrode terminal is electrically connected with the connecting plate, and the other end of the electrode terminal is set
Flexible contact, the elastic contact blade of the electrode terminal flexibly abut to realize electricity respectively with the conducting end on the light source strip
Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721561790.6U CN207438198U (en) | 2017-11-21 | 2017-11-21 | LED filament lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721561790.6U CN207438198U (en) | 2017-11-21 | 2017-11-21 | LED filament lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207438198U true CN207438198U (en) | 2018-06-01 |
Family
ID=62286905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721561790.6U Active CN207438198U (en) | 2017-11-21 | 2017-11-21 | LED filament lamp |
Country Status (1)
Country | Link |
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CN (1) | CN207438198U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107781668A (en) * | 2017-11-21 | 2018-03-09 | 漳州立达信光电子科技有限公司 | LED filament lamp |
-
2017
- 2017-11-21 CN CN201721561790.6U patent/CN207438198U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107781668A (en) * | 2017-11-21 | 2018-03-09 | 漳州立达信光电子科技有限公司 | LED filament lamp |
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