CN205640259U - LED (Light emitting diode) filament lamp - Google Patents
LED (Light emitting diode) filament lamp Download PDFInfo
- Publication number
- CN205640259U CN205640259U CN201620083574.4U CN201620083574U CN205640259U CN 205640259 U CN205640259 U CN 205640259U CN 201620083574 U CN201620083574 U CN 201620083574U CN 205640259 U CN205640259 U CN 205640259U
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- led filament
- line plate
- connecting portion
- described led
- heat
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Abstract
The utility model provides a LED (Light emitting diode) filament lamp, includes two piece at least LED filaments, bulb shell and the heat -insulating material that looses, the bottom of this bulb shell is fixed at this scattered heat -insulating material's top surface and is acceptd the LED filament still includes the the first line board, and this the first line board is made by the heat conduction material, this the first line board fix on this scattered heat -insulating material and with this scattered heat -insulating material hot link, correspond every LED filament on this the first line board and be equipped with connecting portion respectively, the bottom mounting of LED filament on these connecting portion and with this connecting portion hot link, the LED filament is connected with this the first line board electricity respectively. The utility model discloses a connect bottom mounting formation heat on connecting portion of LED filament, make LED filament and this the first line plate -type become the hot link relation. Consequently, partly heat transfer that the LED filament produced is to the the first line board, and the rethread should distribute away by scattered heat -insulating material. Avoid piling up of LED filament production of heat for this LED (Light emitting diode) filament lamp has good radiating effect.
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 light fixture progressively replaces traditional lighting.Owing to LED luminescence 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 a kind of LED filament, is that one group of LED chip encapsulation is formed LED filament on the transparent substrate, it is possible to achieve wide-angle is luminous, then multiple filaments connects the illumination effect forming similar tengsten lamp.At present, LED filament does not has radiator substantially, and LED filament cannot be carried out heat conducting and radiating, conduct so being difficult to the heat by LED chip produces, heat can only carry out heat conduction and heat radiation by the convection current of radiation and internal gas, 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, this technique requires height to the technology of envelope bubble, apparatus expensive, it is easily caused envelope bubble not to be tamping, gas leakage, the problems such as blast, glass envelope is frangible, life-time service there will be leakage problem, and the heat dispersion of gas is limited, the exploitation of low-power LED filament lamp can only be met, and once do high-power, the heat of the generation of LED filament cannot shed in time, easily cause cause thermal damage and the light decay of LED chip so that the lux maintenance of whole lamp 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 at least two LED filament, bulb housing and radiating piece, the bottom of this bulb housing is fixed on the end face of this radiating piece and houses described LED filament, also include first line plate, this first line plate is made from a material that be thermally conductive, this first line plate be fixed on this radiating piece and with this radiating piece thermally coupled, on this first line plate, corresponding every LED filament is respectively equipped with a connecting portion, the bottom of described LED filament be fixed on this connecting portion and with this connecting portion thermally coupled, described LED filament electrically connects with this first line plate respectively.
Compared with prior art, LED filament lamp, by the bottom of LED filament is fixed on connecting portion formation thermally coupled, makes LED filament form thermally coupled relation with this first line plate.Therefore, a part of heat that LED filament produces is delivered on first line plate, then is distributed by this radiating piece.LED filament is avoided to produce the accumulation of heat so that this LED filament light fixture has good radiating effect.Without arranging heat-conducting gas and the structure of seal glass bubble of complexity, there is simple in construction, assemble convenient, 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 axonometric chart that in LED filament lamp shown in Fig. 1, first line plate launches.
Fig. 3 is the axonometric chart that in LED filament lamp shown in Fig. 1, the second wiring board launches.
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. 3, this LED filament lamp includes at least two LED filament 30, bulb housing 20 and radiating piece 10.The bottom of this bulb housing 20 is fixed on the end face of this radiating piece 10 and houses described LED filament 30.Also including first line plate 60, this first line plate 60 is made from a material that be thermally conductive, this first line plate 60 be fixed on this radiating piece 10 and with this radiating piece 10 thermally coupled.On this first line plate 60, corresponding every LED filament 30 is respectively equipped with a connecting portion 61, the bottom of described LED filament 30 be fixed on this connecting portion 61 and with this connecting portion 61 thermally coupled.Described LED filament 30 electrically connects with this first line plate 60 respectively, and this first line plate 60 is provided with terminal 63 for electrically connecting with extraneous power supply.Wherein, the bottom of LED filament 30 is fixed on connecting portion 61 formation thermally coupled, makes LED filament 30 and this first line plate 60 form thermally coupled relation.Therefore, a part of heat produced when LED filament 30 works is delivered on first line plate 60, then is distributed by this radiating piece 10.
Refer to Fig. 1 to Fig. 3, also include column 40, this column 40 is arranged on the middle part of this radiating piece 10, and this column 40 is made from a material that be thermally conductive.This second wiring board 50 be fixed on this column 40 and with this column 40 thermally coupled.Also include the second wiring board 50, be fitted on end face and the sidewall of this column 40 after the bending of this second wiring board 50.The top of LED filament 30 electrically connects with this second wiring board 50, and this second wiring board 50 and this first circuit board coordinate together with described LED filament 30 serial or parallel connection.The top of these LED filament 30 and this column 40 thermally coupled, the bottom of these LED filament 30 and this radiating piece 10 thermally coupled.Therefore, the top of LED filament 30 is formed thermally coupled by this second wiring board 50 with this column 40, electrically connects.The a part of heat making LED filament 30 produce is delivered on radiating piece 10 with column 40 by the second wiring board 50, is more outwards distributed by this radiating piece 10.Wherein, as it is shown on figure 3, this second wiring board 50 is made for flexible base board 32, this second wiring board 50 is one-body molded after being bent by deployed configuration.It is easy to the second wiring board 50 need to make different structure according to difference.Preferably it is fitted in end face and the sidewall of column 40, increases the contact area with column 40, accelerate heat transfer.
The end face of this radiating piece 10 is planar structure, this first line plate 60 also includes heat transfer part 62, this heat transfer part 62 and the end face thermally coupled of this radiating piece 10, this connecting portion 61 this heat transfer part 62 relative is obliquely installed, and the bottom of LED filament 30 is sticked on this connecting portion 61 and the top surface inclination of described LED filament 30 this radiating piece 10 relative is arranged.This bulb housing 20 was preferably hemisphere cell-shell, and this LED filament 30 vertically or is inclined in cell-shell for strip, and the quantity of this LED filament 30 is preferably more than four.Therefore this LED filament 30 realizes 4 π luminescences, and illuminating effect is close with traditional filament.As in figure 2 it is shown, this first line plate 60 is bent into desired structure by deployed configuration, this first line plate 60 is one-body molded, simplifies the processing technology of first line plate 60.This connecting portion 61 this heat transfer part 62 relative is folded upward at relative its and is obliquely installed, and this heat transfer part 62 is in covering of the fan type.It is to say, heat transfer part 62 is arranged to fan-like pattern, with the radiating piece 10 of planar structure, there is bigger thermocontact area, accelerate radiating rate.
Described LED filament 30 includes substrate 32, multiple LED light source and two electrode tips 31, these LED light sources be arranged on this substrate 32 and with this substrate 32 thermally coupled, these two electrode tips 31 are all made from a material that be thermally conductive, described LED filament 30 is separately fixed on this column 40 and this radiating piece 10 by described electrode tip 31, described LED filament 30 by described electrode tip 31 respectively with this column 40, this radiating piece 10 thermally coupled.The heat that this LED filament 30 produces transmits to this first line plate 60, this second wiring board 50 respectively via two electrode tips 31.Wherein, these LED light sources are more, closeer near the distribution of the position of this first line plate 60 on this substrate 32.So, the heat that these LED light sources send just can be delivered on this first line plate 60 and this radiator 10 with shorter heat dissipation path, thus improves radiating efficiency.It is of course also possible to the position near this second wiring board 50 is more distributed LED light source on this substrate 32.
This substrate 32 is made up of transparent or semitransparent glass, pottery or sapphire.Wherein, preferably this LED light source arranges the front of this substrate 32, is that this LED light source irradiates towards this bulb housing 20.These two electrode tips 31 are respectively welded on this substrate 32, and described LED light source is electrically connected with these two electrode tips 31 respectively by gold thread.
In sum, the top surface inclination of this radiating piece 10 relative for LED filament 30 is arranged by this utility model, and this LED filament 30 is strip, and it is luminous that this LED filament 30 realizes 4 π, and illuminating effect is close with traditional filament, has the advantage that light angle is big, effect is good.And the substrate 32 of LED filament 30 uses transparent or semitransparent structure, making the optical efficiency of the LED light source on this LED filament 30 improve, i.e. most light all can shine out towards this bulb housing 20, reduces light losing.Two electrode tips 31 of this LED filament 30 respectively with the 60, second wiring board 50 thermally coupled of first line plate, a part of heat that this LED filament 30 produces is delivered to radiating piece 10 by first line plate 60, and also partial heat is delivered to radiating piece 10 by the second wiring board 50, column 40, finally outwards distributed by radiating piece 10.LED filament 30 is avoided to produce the accumulation of heat so that this LED filament 30 light fixture has good radiating effect.Without arranging heat-conducting gas and the structure of seal glass bubble of complexity, there is simple in construction, assemble convenient, good advantage of dispelling the heat.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, any those skilled in the art, without departing from this programme technical scope, utilize the technology contents of above-mentioned exposure to make the Equivalent embodiments for equal change of few modifications.In every case without departing from technical solutions of the utility model content, according to this utility model technical spirit to any modification, equivalent substitution and improvement made for any of the above embodiments etc., should be included within the scope of this utility model protection.
Claims (11)
1. a LED filament lamp, including at least two LED filament, bulb housing and radiating piece, the bottom of this bulb housing is fixed on the end face of this radiating piece and houses described LED filament, it is characterized in that, also include first line plate, this first line plate is made from a material that be thermally conductive, this first line plate be fixed on this radiating piece and with this radiating piece thermally coupled, on this first line plate, corresponding every LED filament is respectively equipped with a connecting portion, the bottom of described LED filament be fixed on this connecting portion and with this connecting portion thermally coupled, described LED filament electrically connects with this first line plate respectively.
LED filament lamp the most according to claim 1, it is characterized in that: the end face of this radiating piece is planar structure, this first line plate also includes heat transfer part, this heat transfer part and the end face thermally coupled of this radiating piece, this connecting portion is obliquely installed relative to this heat transfer part, and the bottom of described LED filament is sticked on this connecting portion and described LED filament is arranged relative to the top surface inclination of this radiating piece.
LED filament lamp the most according to claim 1, it is characterised in that: also including that the second wiring board, the top of described LED filament electrically connect with this second wiring board, this second wiring board and this first line plate coordinate together with described LED filament serial or parallel connection.
LED filament lamp the most according to claim 3, it is characterised in that: also including column, this column is arranged on the middle part of this radiating piece, this second wiring board be fixed on this column and with this column thermally coupled.
LED filament lamp the most according to claim 4, it is characterised in that: this second wiring board is that flexible base board is made, and is fitted on end face and the sidewall of this column after the bending of this second wiring board.
LED filament lamp the most according to claim 3, it is characterized in that: described LED filament includes substrate, LED light source and electrode tip, 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, described LED filament be fixed on this first line plate by described electrode tip and with this first line plate thermally coupled.
LED filament lamp the most according to claim 4, 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 radiating piece thermally coupled.
LED filament lamp the most according to claim 2, it is characterised in that: this first line plate is one-body molded, and this connecting portion is folded upward at relative its relative to this heat transfer part and is obliquely installed, and this heat transfer part is covering of the fan type.
LED filament lamp the most according to claim 6, 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 6, it is characterised in that: each LED filament includes two electrode tips, and these two electrode tips are respectively welded on the substrate, these two electrode tips respectively with this first line plate and the second wiring board thermally coupled.
11. LED filament lamps according to claim 1, it is characterised in that: described LED filament includes substrate and arranges multiple LED light sources on the substrate, and described LED light source is more, closeer near the distribution of the position of this first line plate on the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083574.4U CN205640259U (en) | 2016-01-28 | 2016-01-28 | LED (Light emitting diode) filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083574.4U CN205640259U (en) | 2016-01-28 | 2016-01-28 | LED (Light emitting diode) filament lamp |
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| Publication Number | Publication Date |
|---|---|
| CN205640259U true CN205640259U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620083574.4U Active CN205640259U (en) | 2016-01-28 | 2016-01-28 | LED (Light emitting diode) filament lamp |
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| CN (1) | CN205640259U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106369366A (en) * | 2016-11-16 | 2017-02-01 | 漳州立达信光电子科技有限公司 | LED lamp filament assembly and LED filament lamp |
| CN106838659A (en) * | 2017-03-02 | 2017-06-13 | 漳州立达信光电子科技有限公司 | A kind of LED bar graph light source and LED filament lamp |
| US20190338892A1 (en) * | 2018-05-07 | 2019-11-07 | Ledvance Llc | Self-supporting filament light emitting diode light engine lamp assembly |
-
2016
- 2016-01-28 CN CN201620083574.4U patent/CN205640259U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106369366A (en) * | 2016-11-16 | 2017-02-01 | 漳州立达信光电子科技有限公司 | LED lamp filament assembly and LED filament lamp |
| CN106369366B (en) * | 2016-11-16 | 2020-01-21 | 漳州立达信光电子科技有限公司 | LED filament assembly and LED filament lamp |
| CN106838659A (en) * | 2017-03-02 | 2017-06-13 | 漳州立达信光电子科技有限公司 | A kind of LED bar graph light source and LED filament lamp |
| CN106838659B (en) * | 2017-03-02 | 2020-08-04 | 漳州立达信光电子科技有限公司 | L ED bar light source and L ED filament lamp |
| US20190338892A1 (en) * | 2018-05-07 | 2019-11-07 | Ledvance Llc | Self-supporting filament light emitting diode light engine lamp assembly |
| US10767818B2 (en) * | 2018-05-07 | 2020-09-08 | Ledvance Llc | Self-supporting filament light emitting diode light engine lamp assembly |
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| C14 | Grant of patent or utility model | ||
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