CN105371243B - The connection of LED filament and installation method - Google Patents
The connection of LED filament and installation method Download PDFInfo
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- CN105371243B CN105371243B CN201410405215.1A CN201410405215A CN105371243B CN 105371243 B CN105371243 B CN 105371243B CN 201410405215 A CN201410405215 A CN 201410405215A CN 105371243 B CN105371243 B CN 105371243B
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Abstract
A kind of connection of LED filament and installation method, the assembling for wick in filament LED bulb.It is different from prior art and the exit of LED filament is welded on the seal wire of glass stem using the method for spot welding, but the electrode leads to client of LED filament is connected using flexible filament spiral, and LED filament is end to end together in series one by one by polarity with this, form a more piece LED filament train that can be bent.Later, the filament helical clamping of this filament train initial and end exit is fixed on corresponding stem side rod seal wire, then the filament spiral between adjacent filament, which is put on stem one by one in corresponding filament hook, keeps each section filament arranging orderly.The disadvantages such as the low production efficiency caused by spot welding that this invention removes the prior arts, yield rate are low, filament stress is big are conducive to the production efficiency and yield rate that improve filament LED bulb.
Description
Technical field
The present invention relates to a kind of electric lighting manufacturing technology, especially one kind connection and installations in filament LED bulb
The method of LED filament.
Background technology
Currently, the filament LED bulb that LED luminescent systems are made to filament (or lamp bar) shape increasingly causes both at home and abroad
The concern and attention for illuminating boundary, because it has following features：1. the illuminating effect of its filament light-emitting and familiar incandescent lamp
It steeps quite similar, has the advantages that comprehensive light extraction, the light extraction for being inherently eliminated conventional LED bulb has directive property and cannot
The really good defect for substituting incandescent lamp and energy-saving lamp；2. luminous efficiency is very high, it is easy to accomplish every watt of 110 lumens or more, and
Light decay is slower, lasts a long time, and energy-saving effect is substantially better than conventional counterparts；3. to improve the heat dissipation effect of LED filament, close
The higher He gas of thermal conductivity is full of in the blister of envelope, this just makes LED filament be among the protection of inert gas, improves longevity
Order the reliability of work.It is contemplated that in the demand of 800 lumens most room lighting light bulbs below, this filament LED
Light bulb will have a sheet of market.
The biggest obstacle of current blocking filament LED bulb development is that productivity is low and yield rate is low, it is difficult to be realized large quantities of
Amount production.Main cause is still immature by the packaging technology for the wick that glass stem and LED filament are formed.The conventional production
Glass stem in product is led by core column horn, exhaust pipe, leg plate, glass rod, the dry seal wire of glass, stem side rod seal wire and extraction
Silk etc. is formed, and the prior art generally uses the method for spot welding that the exit of LED filament is welded on the seal wire of glass stem
The assembling of wick is completed, (" a kind of LED light encapsulates refering to the patent of invention of Patent No. 201310047317.6 as shown in Figure 1
Structure ").Facts proved that this spot weld operation, which is difficult to realize in automated production, especially pinpoint welding procedure, easily makes LED filament
It generates stress and buries future trouble, if filament coating prizes skin, the fracture of filament substrate etc., seriously affected carrying for production yield rate
It is high.In order to fundamentally solve the existing above problem of existing filament LED bulb production, it is necessary to which change is completed with spot welding
The wick packaging technology that LED filament is connected with stem seal wire.
Invention content
The present invention connects the positive and negative electrode exit of LED filament using flexible filament spiral (see Fig. 3).
The outer diameter of filament spiral can have 2 kinds of selections, and filament exit can be inserted into spiral one is selecting somewhat larger, leaned on
The deformation elastic force of spiral firmly bites filament exit, as shown in Figure 3a；Another kind is that selection spiral outer diameter is slightly smaller than LED
Filament spiral is connected on filament exit (such as Fig. 3 b), so by the substrate width of filament by means of tin cream or silver paste
The positive exit of the cathode exit of previous LED filament and latter LED filament filament spiral is connected one by one
It picks up and, form a more piece LED filament train that can be bent (see Fig. 4).In order to pacify as incandescent lamp bulb
Filament is filled, the present invention is mounted with that filament is linked up on glass stem.When with it is this have flexible connection LED filament train
When assembling wick, first the filament spiral that its initial and end is drawn can be fixedly clamped respectively on corresponding stem side rod seal wire,
The filament spiral between adjacent LED filament is put on stem one by one in corresponding filament hook again, LED filament is made to exist
It is able to fixed and aligned orderly on glass stem and completes the assembling of wick (see Fig. 2).It, can also be first for certain concrete conditions
Filament spiral between adjacent LED filament is put into one by one on stem in corresponding hook, then this filament is connected and is
The filament spiral that the initial and end of system is drawn is fixedly clamped respectively on corresponding stem side rod seal wire；Or intersects and carry out.By
Between LED filament realizes filament by flexible filament spiral and between filament and stem seal wire, hook
Flexible connection, this just significantly slow down LED filament connection with installation when stress.Moreover, it goes back while slowing down
Stress of filament during Product transport from now on and use, effectively reduces filament damage rate, improves its functional reliability.
The all very familiar incandescent lamp bulb of people, the production technology of incandescent lamp and equipment be by test in 135 years so far with
Improve and bring up the degree of automation highest, the minimum model of production cost.Expert at a glance the present invention just knows, incandescent lamp bulb general
Filament (tungsten filament helix) is installed on the structure and technical process of glass stem, very much like with the present invention.Obviously, life of the invention
Production automation is not difficult to realize.
In order to adapt to assembling of the LED filament of various different lengths, different number on glass stem, on glass stem
The installation of filament hook can have following several structures：1. filament hook made of all wires is inserted into stem in an orderly manner
(see Fig. 5) on glass rod；2. a filament hook part made of wire is inserted on the glass rod of stem, another part is inserted
(see Fig. 6) in leg plate；3. filament hook made of wire is first mounted on plastic, and then plastic is mounted on
(see Fig. 7) on glass rod, or Plastic hanger is directly made on plastic.The total quantity according to required filament of filament hook
It determines, its general quantity is chosen in 1-15.When filament hook is divided into two parts installation up and down, the hook number of each section
Amount selects in 1-8.
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram of conventional filament LED bulb (4W), and wherein LED filament point is welded in glass stem
On seal wire.
Fig. 2 is the structural schematic diagram of the filament LED bulb (4W) of the embodiment of the present invention 1, and wherein LED filament passes through metal
The seal wire of filament spiral and glass stem, hook connection.
Fig. 3 is the structural schematic diagram of present invention filament spiral connection LED filament positive and negative electrode exit, and wherein a is
The connection when outer diameter of filament spiral is larger；B is connection when spiral outer diameter is smaller.
Fig. 4 is the structural schematic diagram of the more piece LED filament train of the present invention.
Fig. 5, Fig. 6, Fig. 7 are respectively the schematic diagram that the present invention installs 3 kinds of structures of filament hook on stem.
1 is LED filament in figure；2 be the filament spiral for connecting LED filament exit；3 lead for the side rod of glass stem
Silk；4 link up with for the filament of anchored filament；5 be glass rod；6 be leg plate；7 be core column horn；8 be exhaust pipe；9 lead to draw
Silk；10 be the plastic with hook.
Specific implementation mode
The embodiment of the present invention 1 is to be connected with each other by 8 LED filaments and in glass stem over-assemble at the method for wick.Its
In LED filament train include 8 section LED filaments and 9 sections of filament spirals, as shown in Figure 4；LED filament exit
Connection type with filament spiral is that filament exit is inserted into spiral, and the deformation elastic force by spiral draws filament
End is firmly bitten, as shown in Figure 3a；In order to which filament train to be installed on stem, it is mounted with by molybdenum on core glass column's bar
The filament that silk is made links up with 7,2 layers above and below point, 3, the upper layer of close leg plate, and lower layer 4, as shown in Figure 5；By LED filament
Train installs the gold that the method to glass stem is as follows, first draws the "+" end of 8 above-mentioned section series filament foremosts
Belong to filament helical clamping to be fixed on a side rod seal wire of glass stem, then the tail portion "-" end of filament train is drawn
Filament helical clamping be fixed on another side rod seal wire of glass stem (also can by machinery by the two simultaneously into
Row), then the filament spiral between LED filament is put into one by one in corresponding hook and keeps LED filament fixed side by side
Sequence is shown, as shown in the wick in Fig. 2.
The embodiment of the present invention 2 is also the method for being connected with each other by 8 LED filaments and being assembled into wick, different from embodiment 1
Be on stem 7 filaments hook in there are 3 to be inserted into leg plate, in addition 4 are inserted on the glass rod of stem and divide
At upper layer and lower layer, as shown in Figure 6.Other connections mutual about filament and the method and 1 phase of embodiment for being assembled into wick
Together.
The embodiment of the present invention 3 is still the method for being connected with each other by 8 LED filaments and being assembled into wick, different from embodiment 1
Be that 7 filaments hook on stem is mounted on two plastics, wherein being equipped with 3 extensions on a plastic of leg plate
Hook, 4 hooks of installation, are fixed on the glass rod of stem with glue and are divided into upper layer and lower layer, respectively such as Fig. 7 institutes on another plastic
Show.Other connections mutual about filament and the method for being assembled into wick are same as Example 1.
Claims (4)
1. how connection and the installation method of a kind of LED filament will solve for the assembling of wick in filament LED bulb
LED filament is mounted on the problem on glass stem, and the glass stem has similar with the glass stem in incandescent lamp bulb
Structure is made of core column horn, exhaust pipe, leg plate, glass rod, stem side rod seal wire, filament hook with seal wire is drawn, this
It invents and is characterized as connecting the electrode leads to client of LED filament using flexible filament spiral, it one by one will be previous
The cathode exit and the positive exit of latter LED filament of LED filament are connected with filament spiral, form one
The more piece LED filament train that item can be bent, later, by the filament spiral of filament train initial and end exit
It is fixedly clamped on corresponding stem side rod seal wire, then the filament spiral between adjacent LED filament is put on stem
Make each section LED filament aligned orderly in corresponding filament hook.
2. connection and the installation method of a kind of LED filament as described in claim 1, it is characterized in that in the glass rod of glass stem
On, it is mounted with 1 to the 15 filament hook for being used for placing filament spiral between LED filament made of wire.
3. connection and the installation method of a kind of LED filament as described in claim 1, it is characterized in that in the glass rod of glass stem
With the lamp in leg plate, being mounted with 1 to 8 respectively made of wire and be used for placing filament spiral between LED filament
Silk hook.
4. connection and the installation method of a kind of LED filament as described in claim 1, it is characterized in that in the glass rod of glass stem
On be mounted with place LED filament between filament spiral with filament hook plastic part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410405215.1A CN105371243B (en) | 2014-08-15 | 2014-08-15 | The connection of LED filament and installation method |
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|---|---|---|---|
| CN201410405215.1A CN105371243B (en) | 2014-08-15 | 2014-08-15 | The connection of LED filament and installation method |
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| CN105371243A CN105371243A (en) | 2016-03-02 |
| CN105371243B true CN105371243B (en) | 2018-09-21 |
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| CN105371243A (en) | 2016-03-02 |
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Effective date of registration: 20180808 Address after: 361000 Tongan 10-2 Industrial Park No. 33, Tongan Industrial concentrated area, Xiamen, Fujian Applicant after: Xiamen Yinxu Industry Trade Co.,Ltd. Address before: 210007 6 yuan 504, Keyuan garden, No. 20 battalion camp, Bai Xia District, Nanjing, Jiangsu. Applicant before: Li Bo |
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