CN206846361U - A kind of bent filament bar and the LED filament lamp using the filament bar - Google Patents
A kind of bent filament bar and the LED filament lamp using the filament bar Download PDFInfo
- Publication number
- CN206846361U CN206846361U CN201720458167.1U CN201720458167U CN206846361U CN 206846361 U CN206846361 U CN 206846361U CN 201720458167 U CN201720458167 U CN 201720458167U CN 206846361 U CN206846361 U CN 206846361U
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- China
- Prior art keywords
- metal
- parallel circuit
- circuit board
- led
- row
- 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.)
- Expired - Fee Related
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 118
- 239000002184 metal Substances 0.000 claims abstract description 118
- 229910000679 solder Inorganic materials 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 241000218202 Coptis Species 0.000 description 2
- 235000002991 Coptis groenlandica Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
A kind of LED filament lamp the utility model discloses bent filament bar and using the filament bar,The filament bar includes metal circuit board,Its both ends is respectively provided with end metal electrode,It has printed wire,The multiple row parallel circuit and multiple connection lines that printed wire is distributed by uniform intervals along its length form,One of end metal electrode is connected with first row parallel circuit,Another end metal electrode is connected with last row parallel circuit,Adjacent two row parallel circuit is connected by connection line,Parallel circuit includes two sub-line roads arranged in parallel in the width direction,The both ends on sub-line road are respectively provided with metal solder joints,LED chip is connected to by metal routing mode between two metal solder joints corresponding to position on width,Uniform intervals are carved with a plurality of parallel oblique fold wire casing along its length at the back side of metal circuit board,Its position and metal wire,The position of LED chip does not correspond to；Advantage is to reduce cost using common metal wiring board and metal routing technology.
Description
Technical field
A kind of filament and LED filament lamp is the utility model is related to, more particularly, to a kind of bent filament bar and use
The LED filament lamp of the filament bar.
Background technology
LED filament lamp enters popular family extensively, and the filament in most of LED filament lamp is connected by multiple LED light bars
Be connected together composition, and conventional LED light bar is hard lamp bar, and it includes hard substrate and the plurality of LEDs chip being bonded on hard substrate,
Linked together between LED chip by way of metal routing.This LED filament lamp, on the one hand, due between LED light bar
And be required for being welded to connect between LED light bar and driving power, solder joint is more, therefore causes assembly connection inconvenient；It is another
Aspect, lighting angle are big not enough.
In order to solve the problems, such as that hard lamp bar is present, LED flexible light bar is developed, LED flexible light bar is easily bent into each
Kind shape, such as helical form so that the solder joint using the LED filament lamp of the LED flexible light bar is few, and lighting angle increases, non-
Often it is similar to traditional incandescent lamp.Existing LED flexible light bar generally use soft base plate, if will by way of metal routing
The LED chip of formal dress connects, then easily makes the metal thread breakage of connection LED chip during soft base plate bending fold, it is clear that
This LED chip mounting means does not apply to simultaneously, it is therefore necessary to a layer printed circuit layer is first etched on soft base plate, then by upside-down mounting
LED chip be welded on layer printed circuit board and connect, but this causes the cost increase of LED flexible light bar, is not suitable for making
With the popularization of the LED filament lamp of the LED flexible light bar.
The content of the invention
Technical problem to be solved in the utility model is to provide one kind and uses common metal wiring board and metal routing skill
Art reduces the bent filament bar of cost, and LED filament lamp using the filament bar.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of bent filament bar, it is special
Levy and be to include the metal circuit board for caning be folded into spiral helicine slice shape, the both ends of described metal circuit board are respectively arranged with
Metal electrode is held, there is in described metal circuit board printed wire, described printed wire is by along described metal circuit board
The distribution of length direction uniform intervals multiple row parallel circuit and multiple connection lines composition, the end metal electricity described in one of them
Pole is connected with the parallel circuit described in first row, and the end metal electrode described in another connects with the described parallel circuit of last row
Connect, the described parallel circuit of adjacent two row is connected by described connection line, and described connection line is positioned at adjacent two row institutes
In gap between the parallel circuit stated, the parallel circuit described in each column includes the width side two along described metal circuit board
The sub-line road arranged to parallel interval, the both ends on each described sub-line road are each provided with metal solder joints, parallel described in each column
Between metal solder joints on the sub-line road described in two in circuit corresponding to position described in two by way of metal routing
LED chip is connected with, the LED chip described in more passes through described printed wire series connection or connection in series-parallel, all described LED cores
Be coated with fluorescent glue outside piece, the length direction uniform intervals quarter of the back side of described metal circuit board along described metal circuit board
Provided with a plurality of parallel oblique fold wire casing, width of the described oblique fold wire casing across described metal circuit board
On, the position of described oblique fold wire casing and the position of described metal wire be not corresponding, and with the position of described LED chip
Also do not correspond to.
Sub-line road described in first in parallel circuit described in the previous column of the described parallel circuit of adjacent two row with
The sub-line road described in second in parallel circuit described in latter row is connected by the connection line described in one, first row institute
The sub-line road described in second in the parallel circuit stated is connected with the end metal electrode described in one of them, described in last row
Parallel circuit in first described in sub-line road be connected with the end metal electrode described in another.
Described metal circuit board is by metal substrate, the lower insulating barrier being arranged on the front of described metal substrate, print
Brush in the described printed wire on the upper surface of described lower insulating barrier, be arranged on described printed wire and be not provided with
Upper insulating barrier composition on the region for the metal solder joints stated, described oblique fold wire casing carve the back of the body located at described metal substrate
On face.Here, metal substrate is aluminium base or copper base or iron substrate etc..
Fluorescent glue is also coated with outside the metal wire of the described LED chip of connection, fluorescent glue can be protected coated in outside metal wire
Metal wire；In the specific implementation, for convenience of coating, generally, whole where upper insulating barrier, metal wire, LED chip
Fluorescent glue is coated on region；Also can be that opening position selection is not coated by fluorescent glue corresponding to oblique fold wire casing at folding.Here,
Metal wire is gold thread or copper cash or aluminum steel or alloy wire.
The surface plating of described metal solder joints is provided with silver layer, not upper insulating barrier.
A kind of LED filament lamp using above-mentioned bent filament bar, including stem, the stem of described stem obstruct
The LED filament of helically body is installed, it is characterised in that described LED filament folded by described bent filament bar and
Into the end metal electrode described in two in described bent filament bar and two wire guides one on described stem
One corresponding connection.
Compared with prior art, the utility model has the advantage of：
1）The metal circuit board for being provided with LED chip can be folded into the LED filament of conveyor screw according to oblique fold wire casing,
When the LED filament is applied to LED filament lamp, the free end of two end metal electrodes need to be only welded to connect with external circuit, such as
It is welded to connect with driving power, i.e. only two solder joints, solder joint is few, and assembling is simple, and due to LED filament helically body, therefore
Lighting angle is big.
2）It is also corresponding with the position of LED chip because the position of oblique fold wire casing and the position of metal wire be not corresponding,
There was only sub-line road or connection line at oblique fold wire casing, without metal wire and LED chip, therefore LED chip is installed
Metal circuit board will not cause metal thread breakage when folding, and also not interfere with LED chip.
3）Conventional metal circuit board and metal routing technology need to be only used, therefore effectively reduces manufacturing cost.
4）Few using solder joint of the LED filament lamp of bent filament bar in assembling, assembly connection is convenient；Lighting angle
Greatly；And because need to only use conventional metal circuit board and metal routing technology, therefore effectively reduce LED filament lamp into
This, is adapted to popularizing for the LED filament lamp.
Brief description of the drawings
Fig. 1 a are bent filament bar of the present utility model（It is not coated with fluorescent glue）Overall structure diagram；
Fig. 1 b are the enlarged diagram of part A in Fig. 1 a；
Fig. 2 a are bent filament bar of the present utility model（Coated with fluorescent glue）Overall structure diagram；
Fig. 2 b are the enlarged diagram of part B in Fig. 2 a；
Fig. 3 is the structural representation of the LED filament for the helically body that bent filament bar of the present utility model is folded into；
Fig. 4 is the LED filament of the LED filament for the helically body being folded into using bent filament bar of the present utility model
The structural representation of lamp.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
A kind of bent filament bar that the present embodiment proposes, as shown in Fig. 1 a, Fig. 1 b, Fig. 2 a and Fig. 2 b, it includes can
The metal circuit board 1 of spiral helicine slice shape is folded into, the both ends of metal circuit board 1 are respectively arranged with end metal electrode 2, metal
There is printed wire 3, printed wire 3 is copper wire, and printed wire 3 is equal by the length direction along metal circuit board 1 in wiring board 1
Even the multiple row parallel circuit being spaced apart and multiple connection lines 31 form, and one of end metal electrode 2 is parallel with first row
Connection, another end metal electrode 2 are connected with last row parallel circuit, and adjacent two row parallel circuit passes through connection line
31 connect, and in gap 32 of the connection line 31 between adjacent two row parallel circuit, each column parallel circuit includes two along gold
Belong to the sub-line road 33 of the width parallel interval arrangement of wiring board 1, the both ends on each sub-line road 33 are each provided with metal solder joints
4, position correspondence on two sub- circuits 33 in each column parallel circuit（The position correspondence i.e. along the width of metal circuit board 1）
Two metal solder joints 4 between LED chip 5 is connected with by way of metal routing, plurality of LEDs chip 5 passes through printed wire 3
Series connection or connection in series-parallel, are coated with fluorescent glue 6 outside all LED chips 5, the length of the back side of metal circuit board 1 along metal circuit board 1
Direction uniform intervals are carved and are provided with a plurality of parallel oblique fold wire casing 7, width of the oblique fold wire casing 7 across metal circuit board 1
On direction, the position of oblique fold wire casing 7 and the position of metal wire 51 be not corresponding, and also not corresponding with the position of LED chip 5.
The metal circuit board 1 for being provided with LED chip 5 can be folded into the LED filament of conveyor screw, the LED according to oblique fold wire casing 7
Two need to only be held the free end of metal electrodes 2 be welded to connect with external circuit when being applied to LED filament lamp by silk, such as with driving
Power solder connects, i.e. only two solder joints, and solder joint is few, and assembling is simple, and due to LED filament helically body, therefore light emitting anger
Degree is big；It is also corresponding with the position of LED chip 5 because the position of oblique fold wire casing 7 and the position of metal wire 51 be not corresponding,
There was only sub-line road 33 or connection line 31 at oblique fold wire casing 7, without metal wire 51 and LED chip 5, therefore be provided with
The metal circuit board 1 of LED chip 5 will not cause metal wire 51 to be broken when folding, and also not interfere with LED chip 5；It need to only use normal
The metal circuit board 1 and metal routing technology of rule, therefore effectively reduce manufacturing cost；Fluorescent glue 6 sends LED chip 5
Light carry out conversion and form white light；The height for being provided with the conveyor screw that the metal circuit board 1 of LED chip 5 is folded into is rolled over by tilting
The angle of inclination of superimposing thread groove 7 determines.
In the present embodiment, first sub- circuit 33 in the previous column parallel circuit of adjacent two row parallel circuit with it is latter
Second sub- circuit 33 in row parallel circuit is connected by a connection line 31, second in first row parallel circuit
Circuit 33 is connected with one of end metal electrode 2, the sub- circuit 33 of first in last row parallel circuit and another end
Metal electrode 2 connects.
In the present embodiment, metal circuit board 1 is by metal substrate（Not shown in figure）, be arranged on the front of metal substrate
Lower insulating barrier（Not shown in figure）, be printed on the upper surface of lower insulating barrier printed wire 3, be arranged on printed wire 3
The upper insulating barrier being not provided with the region of metal solder joints 4（Not shown in figure）Composition, is located at Metal Substrate at the quarter of oblique fold wire casing 7
On the back side of plate.Here, metal substrate is aluminium base or copper base or iron substrate etc..
In the present embodiment, connect and fluorescent glue 6 is also coated with outside the metal wire 51 of LED chip 5, fluorescent glue 6 is coated in gold
Belong to outside line 51, metal wire 51 can be protected；In the specific implementation, for convenience of coating, generally, in upper insulating barrier, metal wire
51st, fluorescent glue 6 is coated in the whole region where LED chip 5；Also can be position corresponding to oblique fold wire casing 7 at folding
Place's selection is not coated by fluorescent glue 6.Here, metal wire 51 is gold thread or copper cash or aluminum steel or alloy wire.
In the present embodiment, the surface plating of metal solder joints 4 is provided with silver layer（Not shown in figure）, not upper insulating barrier.
When designing the bent filament bar, more than two sub-line roads 33, phase can be designed with each column parallel circuit
Sub-line road 33 in adjacent two row parallel circuits can be true according to the above-mentioned connected mode provided by way of connection line 31 connects
It is fixed, it need to only ensure that LED chip 5 is connected or connection in series-parallel by printed wire 3.
Fig. 3 gives the structure of the LED filament for the helically body for being folded into above-mentioned bent filament bar.
Embodiment two：
The present embodiment proposes a kind of LED filament lamp of the bent filament bar provided using embodiment one, such as Fig. 4 institutes
Show, it includes lamp holder 91, glass bulb 92, the driving power being arranged in lamp holder 91（Not shown in figure）, stem 93, helically
The LED filament 94 of body（As shown in Figure 3）, LED filament 94 be installed in the form of being arranged stem 93 stem stalk 931 on, LED
Silk 94 is folded by bent filament bar and formed, two end metal electrodes 2 in bent filament bar and two on stem 93
Root wire guide 932 is connected one to one, and the stem 93 for being mounted with LED filament 94 is placed in glass bulb 92, stem 93
Oviduct 933 and the oral area welding of glass bulb 92, make stem 93 form closed cavity 95, closed cavity 95 with glass bulb 92
Interior filling protective gas or heat-conducting gas, it is outer with being arranged at lamp holder 91 that two wire guides 932 on stem 93 stretch out stem 93
Interior driving power connection, lamp holder 91 are adhesively fixed with glass bulb 92.
Claims (6)
1. a kind of bent filament bar, it is characterised in that the metal circuit board including caning be folded into spiral helicine slice shape, institute
The both ends for the metal circuit board stated are respectively arranged with end metal electrode, have printed wire in described metal circuit board, described
Printed wire by along described metal circuit board length direction uniform intervals distribution multiple row parallel circuit and multiple connections
Circuit is formed, and the end metal electrode described in one of them is connected with the parallel circuit described in first row, the end gold described in another
The category electrode parallel circuit described with last row is connected, and the described parallel circuit of adjacent two row is connected by described connection line
Connect, in gap of the described connection line between the described parallel circuit of adjacent two row, the parallel circuit bag described in each column
Include the sub-line road that two width parallel intervals along described metal circuit board arrange, the both ends on each described sub-line road
Metal solder joints are each provided with, on the sub-line road described in two in the parallel circuit described in each column described in two corresponding to position
LED chip is connected between metal solder joints by way of metal routing, the LED chip described in more passes through described track
Road is connected or connection in series-parallel, is coated with fluorescent glue outside all described LED chips, and the back side of described metal circuit board is along described
The length direction uniform intervals of metal circuit board, which are carved, is provided with a plurality of parallel oblique fold wire casing, described oblique fold wire casing across
In on the width of described metal circuit board, the position of the position of described oblique fold wire casing and described metal wire is not
It is corresponding and also not corresponding with the position of described LED chip.
A kind of 2. bent filament bar according to claim 1, it is characterised in that the described parallel circuit of adjacent two row
Previous column described in parallel circuit in first described in sub-line road and latter row described in parallel circuit in second
Described sub-line road is connected by the connection line described in one, the son described in second in the parallel circuit described in first row
Circuit is connected with the end metal electrode described in one of them, the sub-line described in first in the described parallel circuit of last row
Road is connected with the end metal electrode described in another.
3. a kind of bent filament bar according to claim 1 or 2, it is characterised in that described metal circuit board is by gold
Category substrate, the lower insulating barrier being arranged on the front of described metal substrate, it is printed on the upper surface of described lower insulating barrier
Described printed wire, be arranged at the upper insulation being not provided with described printed wire on the region of described metal solder joints
Layer composition, described oblique fold wire casing are carved on the back side of described metal substrate.
4. a kind of bent filament bar according to claim 3, it is characterised in that connect the metal of described LED chip
Fluorescent glue is also coated with outside line.
A kind of 5. bent filament bar according to claim 4, it is characterised in that the surface plating of described metal solder joints
Provided with silver layer.
6. a kind of LED filament lamp of the bent filament bar described in usage right requirement 1, including stem, described stem
The LED filament of helically body is installed, it is characterised in that described LED filament is by described bent filament bar on stem stalk
Folding forms, the end metal electrode described in two in described bent filament bar and two metals on described stem
Seal wire connects one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458167.1U CN206846361U (en) | 2017-04-27 | 2017-04-27 | A kind of bent filament bar and the LED filament lamp using the filament bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458167.1U CN206846361U (en) | 2017-04-27 | 2017-04-27 | A kind of bent filament bar and the LED filament lamp using the filament bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206846361U true CN206846361U (en) | 2018-01-05 |
Family
ID=60794367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458167.1U Expired - Fee Related CN206846361U (en) | 2017-04-27 | 2017-04-27 | A kind of bent filament bar and the LED filament lamp using the filament bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206846361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035979A (en) * | 2017-04-27 | 2017-08-11 | 浙江阳光美加照明有限公司 | A kind of bent filament bar and the LED filament lamp using the filament bar |
-
2017
- 2017-04-27 CN CN201720458167.1U patent/CN206846361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035979A (en) * | 2017-04-27 | 2017-08-11 | 浙江阳光美加照明有限公司 | A kind of bent filament bar and the LED filament lamp using the filament bar |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 |