CN203963553U - A kind of LED fluorescent tube with collapsible flexible circuit board - Google Patents
A kind of LED fluorescent tube with collapsible flexible circuit board Download PDFInfo
- Publication number
- CN203963553U CN203963553U CN201420215272.9U CN201420215272U CN203963553U CN 203963553 U CN203963553 U CN 203963553U CN 201420215272 U CN201420215272 U CN 201420215272U CN 203963553 U CN203963553 U CN 203963553U
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- circuit board
- flexible circuit
- led
- layer
- fluorescent tube
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a kind of LED fluorescent tube with collapsible flexible circuit board, comprise LED, strip flexible circuit board, strip lampshade, it is characterized in that: described flexible circuit board is foldable structure, the foldable structure of described flexible circuit board is: comprise at least two conductive layers, every layer of conductive layer comprises at least one flat conductor, and described every flat conductor comprises the first flat surface and the second flat surface that are parallel to each other; Be the first dielectric film and second dielectric film of bending; Described the first dielectric film covers the first flat surface of every layer of conductive layer, and described the second dielectric film covers the second flat surface of every layer of conductive layer.The utlity model has that volume is little, cost is low, the advantage of excellent heat radiation performance.
Description
Technical field
The utility model relates to be decorated or lighting field, relates in particular to that a kind of volume is little, cost is low, the LED fluorescent tube with collapsible flexible circuit board of excellent heat radiation performance.
Background technology
Existing LED fluorescent tube structure is generally: plural LEDs is welded on hard circuit board, LED connection in series-parallel wire and power lead are all in the same plane, thereby width of circuit board is larger, thereby make the shroud volume of LED fluorescent tube larger, inconvenient accumulating and installing and using, while cost is also higher.On the other hand, although approaching, the brightness of existing LED fluorescent tube even exceedes traditional gas discharge fluorescent tube, but because heat radiation is inadequate, long-term work easily makes LED produce light decay, make lamp body dimmed gradually, concrete reason is that its conductive layer is generally the very Copper Foil of book because existing circuit board is generally corrosivity printed circuit board (PCB), and it is not easy to the heat of conductive current generation and the heat of the luminous generation of LED to derive and distribute.
How to reduce the volume of LED fluorescent tube and reduce LED light decay to extend the life-span of LED fluorescent tube, being the technical problem that those skilled in the art need do one's utmost to overcome, thereby accelerating the application of LED fluorescent tube, reaching energy-saving and cost-reducing object.
Utility model content
The purpose of this utility model is to provide that a kind of volume is little, cost is low, the LED fluorescent tube with collapsible flexible circuit board of excellent heat radiation performance.
The technical scheme that the utility model adopted is for achieving the above object: a kind of LED fluorescent tube with collapsible flexible circuit board, comprise LED, strip flexible circuit board, strip lampshade, it is characterized in that: described flexible circuit board is foldable structure, the foldable structure of described flexible circuit board is: comprise at least two conductive layers, every layer of conductive layer comprises at least one flat conductor, and described every flat conductor comprises the first flat surface and the second flat surface that are parallel to each other; Be the first dielectric film and second dielectric film of bending; Described the first dielectric film covers the first flat surface of every layer of conductive layer, and described the second dielectric film covers the second flat surface of every layer of conductive layer.
Preferentially, the foldable structure of described flexible circuit board is: comprise two conductive layers, wherein ground floor conductive layer is power line layer, and power line layer comprises two flat conductors; The second layer is LED series line layer, and LED series line is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED is welded in and cuts off mouthful, after plurality of LEDs series connection, is parallel on power line.
Preferentially, the foldable structure of described flexible circuit board is: comprise three layers of conductive layer, wherein second layer conductive layer is power line layer, and power line layer comprises two flat conductors; Ground floor and the 3rd layer are LED series line layer, and LED series line is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED is welded in and cuts off mouthful, after plurality of LEDs series connection, is parallel on power line.
Preferentially, the foldable structure of described flexible circuit board is: comprise two conductive layers, wherein ground floor conductive layer comprises a power line and at least one LED series line; The second layer comprises a power line and at least one LED series line; Described power line and LED series line are flat conductor; LED series line is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED is welded in and cuts off mouthful, after plurality of LEDs series connection, is parallel on power line.
Further, the first dielectric film and the second dielectric film that described in, are bending are provided with multiple spaced die-cut mouthful on the broken line of its bending.
Further, the end of described LED series line layer and the end of power line layer are provided with a spacing distance.
Further, rounded, oval, semicircle, the arch, square in the cross section of described strip lampshade.
Further, described strip lampshade inwall is provided with holddown groove, and flexible circuit board is stuck in holddown groove.
Further, described flexible circuit board is also combined with rigid fixed head.
Further, described flat conductor is to roll the wire that forms or by the die-cut flat conductor that forms of metal skin by round metal silk.
The utility model comprises following beneficial effect:
1, because LED fluorescent tube flexible circuit board used adopts foldable structure, thereby can use up the width of the minimizing flexible circuit board of maximum constraints, the width of its lampshade used also significantly reduces, and the overall volume of LED fluorescent tube is significantly reduced; Cost.
2, described in, be the first dielectric film of bending and the second dielectric film and on the broken line of its bending, be provided with multiple spaced die-cut mouthful, make flexible circuit board be easy to bending, and each layer of flexible circuit board after bending is difficult for perk.
3, the end of described LED series line layer and the end of power line layer are provided with a spacing distance, thereby increase the creep age distance between conductor, avoid sparking or short circuit between conductor, the security that improves product.
4, described flexible circuit board is also combined with rigid fixed head, is easier to flexible circuit board and inserts and be fixed in lampshade.
It is pointed out that enforcement arbitrary product of the present utility model not need to reach above simultaneously and produce effect.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the exploded view of the utility model embodiment mono-;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the constitutional diagram of the utility model embodiment mono-;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the exploded view of the utility model embodiment bis-;
Fig. 6 is the B portion enlarged drawing of Fig. 5;
Fig. 7 is the B-B sectional view of Fig. 5;
Fig. 8 is the part-structure schematic diagram of the utility model embodiment tri-;
Fig. 9 is the C-C sectional view of Fig. 8.
Figure 10 is the sectional view of the utility model embodiment tetra-.
Detailed description of the invention
Referring to figs. 1 through the utility model preferred embodiment one shown in Fig. 4, a kind of LED fluorescent tube with collapsible flexible circuit board, comprises a plural number adopting surface mounted LED 1, strip flexible circuit board 2, strip lampshade 3; Described flexible circuit board 2 is foldable structure, and the foldable structure of described flexible circuit board 2 is: comprise three layers of conductive layer, wherein second layer conductive layer is power line layer 4, and power line layer 4 comprises two flat conductors; Ground floor and the 3rd layer are LED series line layer 5, and LED series line 5 is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED1 is welded in and cuts off mouthfuls 6, be parallel on power line 4, thereby form the LED fluorescent tube of double-side after plurality of LEDs 1 series connection;
Described every flat conductor comprises the first flat surface and the second flat surface that are parallel to each other;
Be the first dielectric film 7 and second dielectric film 8 of bending; Described the first dielectric film 7 covers the first flat surface of the flat conductor of every layer of conductive layer, and described the second dielectric film 8 covers the second flat surface of the flat conductor of every layer of conductive layer.
Described the first dielectric film 7 and the second dielectric film 8 that is bending is provided with multiple spaced die-cut mouthful 9 on the broken line of its bending.
The end of described LED series line layer 5 and the end of power line layer 4 are provided with a spacing distance S, can realize by the end of wiping out a bit of LED series line layer 5.
The cross section of described strip lampshade 3 is rounded.
Described strip lampshade 3 inwalls are provided with holddown groove 10, and flexible circuit board 2 is stuck in holddown groove 10.
Described flat conductor is to roll by round metal silk the wire forming, can certainly be by the die-cut flat conductor that forms of metal skin.
With reference to Fig. 5 to the utility model preferred embodiment two shown in Fig. 7, its structure is substantially identical with embodiment mono-, its main distinction point is: the foldable structure of described flexible circuit board 2 is: comprise two conductive layers, wherein ground floor conductive layer is power line layer 4, and power line layer 4 comprises two flat conductors; The second layer is LED series line layer 5, and LED series line 5 is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED1 is welded in and cuts off mouthfuls 6, is parallel on power line 4, thereby forms the luminous LED fluorescent tube of one side after plurality of LEDs 1 series connection.
Described flexible circuit board is also combined with rigid fixed head.
With reference to Fig. 8, to the utility model preferred embodiment three shown in Fig. 9, its structure is substantially identical with embodiment bis-, and its main distinction point is: the cross section semicircular in shape of described strip lampshade 3.
With reference to the utility model preferred embodiment four shown in Figure 10, its structure and embodiment mono-is substantially identical, and its main distinction point is: the LED series line layer of described ground floor and the 3rd layer respectively comprises two articles of LED series line.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with equal means, all should belong to protection domain of the present utility model.
Claims (10)
1. one kind has the LED fluorescent tube of collapsible flexible circuit board, comprise LED, strip flexible circuit board, strip lampshade, it is characterized in that: described flexible circuit board is foldable structure, the foldable structure of described flexible circuit board is: comprise at least two conductive layers, every layer of conductive layer comprises at least one flat conductor, and described every flat conductor comprises the first flat surface and the second flat surface that are parallel to each other; Be the first dielectric film and second dielectric film of bending; Described the first dielectric film covers the first flat surface of every layer of conductive layer, and described the second dielectric film covers the second flat surface of every layer of conductive layer.
2. a kind of LED fluorescent tube with collapsible flexible circuit board according to claim 1, it is characterized in that: the foldable structure of described flexible circuit board is: comprise two conductive layers, wherein ground floor conductive layer is power line layer, and power line layer comprises two flat conductors; The second layer is LED series line layer, and LED series line is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED is welded in and cuts off mouthful, after plurality of LEDs series connection, is parallel on power line.
3. a kind of LED fluorescent tube with collapsible flexible circuit board according to claim 1, it is characterized in that: the foldable structure of described flexible circuit board is: comprise three layers of conductive layer, wherein second layer conductive layer is power line layer, and power line layer comprises two flat conductors; Ground floor and the 3rd layer are LED series line layer, and LED series line is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED is welded in and cuts off mouthful, after plurality of LEDs series connection, is parallel on power line.
4. a kind of LED fluorescent tube with collapsible flexible circuit board according to claim 1, is characterized in that: the foldable structure of described flexible circuit board is: comprise two conductive layers, wherein ground floor conductive layer comprises a power line and at least one LED series line; The second layer comprises a power line and at least one LED series line; Described power line and LED series line are flat conductor; LED series line is by the cut-out moulding that keeps at a certain distance away of continuous flat conductor, and LED is welded in and cuts off mouthful, after plurality of LEDs series connection, is parallel on power line.
5. according to a kind of LED fluorescent tube with collapsible flexible circuit board described in claim 2 or 3 or 4, it is characterized in that: described in be the first dielectric film of bending and the second dielectric film is provided with multiple spaced die-cut mouthful on the broken line of its bending.
6. according to a kind of LED fluorescent tube with collapsible flexible circuit board described in claim 2 or 3, it is characterized in that: the end of described LED series line layer and the end of power line layer are provided with a spacing distance.
7. according to a kind of LED fluorescent tube with collapsible flexible circuit board described in claim 2 or 3 or 4, it is characterized in that: the cross section of described strip lampshade is rounded, oval, semicircle, arch, square.
8. according to a kind of LED fluorescent tube with collapsible flexible circuit board described in claim 2 or 3 or 4, it is characterized in that: described strip lampshade inwall is provided with holddown groove, and flexible circuit board is stuck in holddown groove.
9. according to a kind of LED fluorescent tube with collapsible flexible circuit board described in claim 2 or 3 or 4, it is characterized in that: described flexible circuit board is also combined with rigid fixed head.
10. according to a kind of LED fluorescent tube with collapsible flexible circuit board described in claim 2 or 3 or 4, it is characterized in that: described flat conductor is to roll the wire that forms or by the die-cut flat conductor that forms of metal skin by round metal silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215272.9U CN203963553U (en) | 2014-04-29 | 2014-04-29 | A kind of LED fluorescent tube with collapsible flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215272.9U CN203963553U (en) | 2014-04-29 | 2014-04-29 | A kind of LED fluorescent tube with collapsible flexible circuit board |
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| CN203963553U true CN203963553U (en) | 2014-11-26 |
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| CN201420215272.9U Expired - Fee Related CN203963553U (en) | 2014-04-29 | 2014-04-29 | A kind of LED fluorescent tube with collapsible flexible circuit board |
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