CN102628562A - Light-emitting diode lamp bar with fully waterproof glue pouring structure and manufacturing method thereof - Google Patents
Light-emitting diode lamp bar with fully waterproof glue pouring structure and manufacturing method thereof Download PDFInfo
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- CN102628562A CN102628562A CN2011101499649A CN201110149964A CN102628562A CN 102628562 A CN102628562 A CN 102628562A CN 2011101499649 A CN2011101499649 A CN 2011101499649A CN 201110149964 A CN201110149964 A CN 201110149964A CN 102628562 A CN102628562 A CN 102628562A
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- led lamp
- lamp bar
- main body
- full waterproof
- bar main
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- 239000003292 glue Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 239000003566 sealing material Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000012945 sealing adhesive Substances 0.000 description 6
- 238000007669 thermal treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to a light-emitting diode lamp bar with a fully waterproof glue pouring structure and a manufacturing method thereof. Specifically, an LED lamp bar is provided. The LED lamp comprises an LED lamp bar body (1) and a fully waterproof glue pouring structure (2) which is extruded and enclosed on the LED lamp bar body (1). The invention further provides a glue sealing method for the LED lamp bar. The method comprises the following steps: providing the LED lamp bar body (1); and extruding and molding a glue sealing material on the LED lamp bar body (1) by an extrusion molding process, so as to form the fully waterproof glue pouring structure (2) annularly enclosing the LED lamp bar body (1). The LED lamp bar has a high waterproof and sealing property on waterproof glue sealing. The LED lamp bar product subjected to glue sealing greatly improves weather resistance and reliability, prolongs the service life, and has a simple and quick production process and high production efficiency.
Description
Technical field
The present invention relates to LED lamp bar and LED lamp bar sealing field, more specifically, the present invention relates to full waterproof encapsulating structure of LED lamp bar and preparation method thereof.
Background technology
The sealing of traditional LED lamp bar; Normally adopt the mode of dripping glue; Promptly; LED lamp bar carried out the front (being that one side that LED and other components and parts are arranged of lamp bar) of lamp bar is expected that with liquid PU (silica gel) carries out drip irrigation, toasts or natural air drying then after SMT mounts LED and other components and parts accomplishing.But this glue mode not only relates to extra procedure when adopting baking or natural air drying to drip adhesive curing, and this operation need spend long time, and production efficiency is too low, and the production space that takies is big, and classification of waterproof is low.
Moreover; Adopt to drip LED lamp bar that the glue mode makes waterproof fully like this; Because the process of drip irrigation is just carried out drip irrigation to the front of LED lamp bar; When product immerses in the water or uses out of doors, binding site between PU glue (silica gel) and the LED lamp bar surface As time goes on can occur and the phenomenon that warps, split occur, and then not have waterproof effect.
Therefore, need a kind of new LED lamp bar sealing technology in the art and solve above-mentioned technical problem and other technical problem, and the many excellent technique effects that are superior to prior art are provided.
Summary of the invention
The present invention is intended to solve above technical problem with other.
According to the present invention; LED lamp bar carried out after SMT mounts LED and other components and parts accomplishing; Make whole lamp bar through the extruded mould in the running, thereby wrap one deck marine glue, form the full waterproof encapsulating structure of LED lamp bar at the face seal ring of whole LED lamp bar.
Particularly, according to the present invention, a kind of LED lamp bar is provided, said LED lamp bar comprises: LED lamp bar main body; Wrap in the full waterproof encapsulating structure on the said LED lamp bar main body with the extrusion molding ring.
According to an aspect of the present invention, the said full waterproof encapsulating structure full waterproof encapsulating sleeve pipe that is the said LED lamp of tight enclosing bar main body.
According to a further aspect in the invention, the tube chamber that said full waterproof encapsulating sleeve pipe has hollow, the shape of wherein said tube chamber conforms to the profile of said LED lamp bar main body.
According to a further aspect in the invention, said full waterproof encapsulating structure is processed by the compound of PVC material, TPU material or PVC and TPU.
According to a further aspect in the invention, end and the joint area between the external wire in said LED lamp bar main body is provided with the marine glue pressure head.
According to an aspect of the present invention, the said full waterproof encapsulating structure full waterproof encapsulating sleeve pipe that is the said LED lamp of tight enclosing bar main body.
According to a further aspect in the invention, said marine glue pressure head is the pressure head that injection moulding covers said joint area.
According to the present invention, a kind of method to the sealing of LED lamp bar also is provided, comprising: LED lamp bar main body is provided; With through extrusion process, the adhesive material extrusion molding is molded on the said LED lamp bar main body, and forms the full waterproof encapsulating structure of the said LED lamp bar main body of ring bag.
According to a further aspect in the invention, with said full waterproof encapsulating structure through the molded full waterproof encapsulating sleeve pipe that is made into the said LED lamp of tight enclosing bar main body of extrusion molding.
According to a further aspect in the invention, said full waterproof encapsulating sleeve pipe is configured as the tube chamber with hollow, the shape of wherein said tube chamber conforms to the profile of said LED lamp bar main body.
According to a further aspect in the invention, said adhesive material is transparent materials such as PVC material, TPU material, TPE or nylon.
According to a further aspect in the invention, end and the joint area between the external wire in said LED lamp bar main body is provided with the marine glue pressure head through injection molding way.
With a traditional glue compared with techniques; LED lamp bar waterproof glue sealing structure waterproof sealing performance of the present invention is very good; Make weatherability, working life and the reliability of the LED lamp bar product after the sealing improve greatly, and its production technology is simple, fast, production efficiency is also very high.
Description of drawings
In following description, with the details of setting forth one or more embodiment of the present invention to the accompanying drawing and the specific embodiment.From these descriptions, accompanying drawing and claim, can know other features, objects and advantages of the present invention, but the embodiment in the accompanying drawing does not constitute to any restriction of the present invention, in the accompanying drawings:
Fig. 1 is a cross sectional representation of having accomplished the LED lamp bar of sealing adhesive process according to an embodiment of the invention, has clearly illustrated the full waterproof encapsulating sleeve pipe that is used for LED lamp bar.
Fig. 2 is the cross sectional representation of full waterproof encapsulating sleeve pipe shown in Figure 1, has wherein for the sake of clarity removed LED lamp bar.
Fig. 3 is a floor map of having accomplished the LED lamp bar of sealing adhesive process according to an embodiment of the invention, has wherein shown the marine glue pressure head that is positioned at LED lamp bar one end.
The specific embodiment
To the specific embodiment of the glue sealing method of a kind of LED lamp of the present invention bar be described in more detail below.
But, it will be appreciated by those skilled in the art that the following stated only is to illustrate and describe some preferred implementations, some other similarly or the embodiment that is equal to equally also can be used for embodiment of the present invention.
In the present invention; " LED lamp bar " should be done the understanding on the wide sense; Not only comprise the soft lamp bar of LED; The lamp bar of LED promptly is installed at FPC (FPC), but also is comprised the hard lamp bar of LED, promptly go up the lamp bar that LED is installed at PCB circuit board (claiming " hardboard " or " rigidity wiring board " in the industry again); Not only comprise the lamp bar that LED is installed on the single face wiring board, but also comprise the lamp bar that LED is installed on double-sided wiring board or the multilayer circuit board, or the like.These all belong to scope of the present invention.
Below in conjunction with describing preferred implementation of the present invention.
According to one embodiment of the invention, be ready to extruded mould, this extruded mould is known in the industry, gives unnecessary details no longer in detail.
In addition, be ready for LED lamp bar is carried out encapsulating waterproof encapsulating material to be used for extrusion process, preferably can adopt PVC material, TPU material or PVC and TPU compound.This type encapsulating material not only can perform well in extrusion moulding; The profile that adapts to LED lamp bar well; But also have good thermal diffusivity, light transmission and weatherability; Be particularly suitable for wrapping up LED lamp bar, and can guarantee the good light transmittance of LED lamp bar, so the waterproof encapsulating structure of this type of waterproof encapsulating material does not influence the operate as normal of LED lamp, luminous and heat radiation.
Can adopt known traditionally various LED lamp bars; Comprise the hard lamp bar of LED flexible lamp strip and LED; Install at the components and parts (comprising LED, resistance or the like) of accomplishing LED lamp bar; After for example SMT installs, with LED lamp bar with certain speed through the extruded mould of extruded material is housed, thereby accomplish the extrusion molding sealing adhesive process of ring bag whole LED lamp bar outer surface; The full waterproof encapsulating sleeve pipe of whole LED lamp bar is sealed in formation, and the structure of this full waterproof encapsulating sleeve pipe and extrusion molding sealing adhesive process thereof are that LED lamp bar provides 360 ° comprehensive protection.And then play the effect of full waterproof and sealing.
Fig. 1 has shown the cross sectional representation of the LED lamp bar 1 of having accomplished sealing adhesive process according to an embodiment of the invention, has clearly illustrated the full waterproof encapsulating sleeve pipe 2 that is used for LED lamp bar 1.Wherein, whole LED lamp bar 1, the LED that is included in its luminous front and other components and parts, the full waterproof encapsulating sleeve pipe 2 that is all formed by extrusion molding is sealed tightly.
Fig. 2 has then further shown the cross sectional representation of full waterproof encapsulating sleeve pipe 2 shown in Figure 1, has wherein for the sake of clarity removed LED lamp bar 1.Clearly illustrated the structure of full waterproof encapsulating sleeve pipe 2 in the figure.Wherein, the full waterproof encapsulating sleeve pipe 2 of this extrusion moulding is a hollow tubular structure, has formed the tube chamber 2A of hollow.The size of this tube chamber 2A closely conforms to the profile of shape with LED lamp bar because full waterproof encapsulating sleeve pipe 2 is extrusion moulding, so tube chamber 2A will be at an easy rate according to the difference of the profile of packaged LED lamp bar and difference.
In addition, the main body of full waterproof encapsulating sleeve pipe 2 is sleeve structures, comprises sleeve pipe top 2C that is encapsulated in LED lamp bar 1 front and the sleeve pipe bottom 2B that is encapsulated in LED lamp bar 1 back side.
Although the profile of full waterproof encapsulating sleeve pipe 2 shown in Figure 1 is arcs, for example the cross section of sleeve pipe top 2C is a cambered surface; Those skilled in the art is appreciated that obviously full waterproof encapsulating sleeve pipe 2 can be made into any required shape according to the needs of client or application scenario, and for example cross section is square; Circular; Ellipse, polygon or the like, these all belong to concept of the present invention.
The present invention has also conceived the glue sealing structure of the joint area between LED lamp bar end and the external wire.As shown in Figure 3, Fig. 3 is a floor map of having accomplished the LED lamp bar 1 of sealing adhesive process according to an embodiment of the invention, has wherein shown the waterproof sealing pressure head 4 that is positioned at LED lamp bar 1 one ends.
After LED lamp bar 1 having been carried out sealing, on LED lamp bar 1, sealed up full waterproof encapsulating sleeve pipe 2.But the end at LED lamp bar 1 product generally is provided with lead pad, and external wire 3 is drawn and is used to be connected to external power source from this lead pad, to be used to light LED lamp operate as normal.Joint area (shown in the frame of broken lines among Fig. 3) between the end (lead pad) of this external wire 3 and LED lamp bar 1 product is easier to infiltration enters, thus cause LED lamp bar for example can't be out of doors operate as normal enduringly.
Therefore; For waterproof effect more reliably is provided at this joint area; And,, for example cover last layer marine glue pressure head 4 through injection molding way at this joint area according to the present invention for the bonding strength between the end that further improves external wire 3 and LED lamp bar 1 product; This marine glue pressure head 4 covers this joint area; Promptly combine, but also combine, thereby play the further effect of improving waterproof and bonding strength with this end tight seal of LED lamp bar 1 product with external wire 3 sealings at this joint area place.
Although what Fig. 3 showed is should prevent hydraulic head 4 in the one end setting of LED lamp bar,, those skilled in the art obviously understand easily, this anti-hydraulic head can all be set at the two ends of LED lamp bar, thereby guarantee the full water resistance of product.
The technology of facing a specific embodiment of the full water proof lamp bar of LED of the present invention extrusion molding (encapsulating) technology down is described in more detail.
Selected equipment: SJ-65HY sheath machine, power distribution cabinet, passive pay off rack, tank, ink jet numbering machine, vertical hauling machine, drawing and rolling machine.
Selected instrument: scissors, clamp, dial caliper, thermometer, balance are claimed, spanner.
Preparatory process before producing: produce and gave the heating of SJ-65HY extruding machine in one hour in advance; At first observe electrical power control cabinet before the heating and heater has no abnormal; Should observe each thermal treatment zone switch during heating earlier and whether close, open the inner main power source of switch board again, open the power switch of each thermal treatment zone then successively if closed; Whether the electric current of observing each thermal treatment zone is normal, configures each Heating Zone Temperature.
The heating process of being selected for use:
Each thermal treatment zone design temperature of difference according to materials used is roughly following:
First district: 150-160 ℃; Second district: 175-185 ℃; The 3rd district: 175-185 ℃; The 4th district: 170-185 ℃; The 5th district: 166-180 ℃.
Preparation routine before the unwrapping wire comprises: mold exchange, change filter screen, inspection semi-finished product lamp bar, raw material or the like.
Subsequent handling:
After the temperature with each thermal treatment zone arrives design temperature and is incubated 30 minutes; Open SJ-65HY extruding machine power switch; Note observing main frame ammeter (electric current is no more than 40A, asks hard stop unusually if having) when slowly adjusting potentiometer, adjust to required rotating speed;
Whether the surface of protective cover material is extruded in observation smooth, adjusts off-centre and thickness, reach requirement after, engine speed is dropped to zero, put on draught line;
Open vertical hauling machine power supply, adjust the rotating speed of hauling machine and SJ-65HY extruding machine according to the requirement in required line footpath;
Smooth, big or small, the fineness of adjustment lamp bar, reach liquid level etc., after all meet the requirements, on the lamp bar, carry out mark;
After production finished, elder generation dropped to zero with the rotating speed of main frame, hauling machine successively, powered-down, and opening each thermal treatment zone blower fan then is the equipment cooling, treats to close blower fan after the apparatus cools general supply in the last closing control cabinet; With
After the shutdown, work-yard and equipment cleaning is clean, deposited finished product, instrument etc.
With a traditional glue compared with techniques; Its waterproof sealing performance of waterproof glue sealing structure of this LED lamp bar of making according to the inventive method is very good; Make weatherability, working life and the reliability of the LED lamp bar product after the sealing improve greatly; And its production technology is simple, quick, with low cost, and production efficiency is also very high.
More than combine accompanying drawing and specific embodiment that the present invention has been carried out detailed description.But, it will be appreciated by those skilled in the art that the above only is to illustrate and describe some specific embodiment; Utilize above embodiment only to be used for explaining technical scheme of the present invention; Therefore to scope of the present invention, especially the scope of claim does not have any restriction.Scope of the present invention is limited accompanying claims.
Claims (10)
1. LED lamp bar comprises:
LED lamp bar main body (1);
It is characterized in that said LED lamp bar also comprises:
The extrusion molding ring wraps in the full waterproof encapsulating structure (2) on the said LED lamp bar main body (1).
2. LED lamp bar according to claim 1 is characterized in that, said full waterproof encapsulating structure (2) is the full waterproof encapsulating sleeve pipe (2) of the said LED lamp of tight enclosing bar main body (1).
3. LED lamp bar according to claim 2 is characterized in that, said full waterproof encapsulating sleeve pipe (2) has the tube chamber (2A) of hollow, and the shape of wherein said tube chamber (2A) conforms to the profile of said LED lamp bar main body (1).
4. LED lamp bar according to claim 1 is characterized in that, said full waterproof encapsulating structure (2) is processed by the compound of PVC material, TPU material or PVC and TPU.
5. LED lamp bar according to claim 1 is characterized in that, is provided with marine glue pressure head (4) at the end of said LED lamp bar main body (1) and the joint area between the external wire (3).
6. method to the sealing of LED lamp bar comprises:
LED lamp bar main body (1) is provided;
It is characterized in that said method also comprises:
Through extrusion process, the adhesive material extrusion molding is molded on the said LED lamp bar main body (1), and forms the full waterproof encapsulating structure (2) that ring wraps said LED lamp bar main body (1).
7. method according to claim 6 is characterized in that, with said full waterproof encapsulating structure (2) through the molded full waterproof encapsulating sleeve pipe (2) that is made into the said LED lamp of tight enclosing bar main body (1) of extrusion molding.
8. method according to claim 7 is characterized in that, said full waterproof encapsulating sleeve pipe (2) is configured as the tube chamber (2A) with hollow, and the shape of wherein said tube chamber (2A) conforms to the profile of said LED lamp bar main body (1).
9. method according to claim 6 is characterized in that, said adhesive material is the compound of PVC material, TPU material or PVC and TPU.
10. method according to claim 6 is characterized in that, through injection molding way marine glue pressure head (4) is set at the end of said LED lamp bar main body (1) and the joint area between the external wire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110149964.9A CN102628562B (en) | 2011-06-03 | 2011-06-03 | Light-emitting diode lamp bar with fully waterproof glue pouring structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110149964.9A CN102628562B (en) | 2011-06-03 | 2011-06-03 | Light-emitting diode lamp bar with fully waterproof glue pouring structure and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102628562A true CN102628562A (en) | 2012-08-08 |
| CN102628562B CN102628562B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110149964.9A Expired - Fee Related CN102628562B (en) | 2011-06-03 | 2011-06-03 | Light-emitting diode lamp bar with fully waterproof glue pouring structure and manufacturing method thereof |
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| CN103759218A (en) * | 2014-01-08 | 2014-04-30 | 王定锋 | Processing and installing method of LED lamp tube resin shells and manufacturing method of LED lamp tubes |
| CN103994347A (en) * | 2014-04-23 | 2014-08-20 | 王定锋 | LED heat radiation structure formed by mixing heat conducting insulation powder and resin and LED linear lamp |
| WO2014183231A1 (en) * | 2013-05-16 | 2014-11-20 | Tian Maofu | Led light bar with fully waterproof potted structure and manufacturing method |
| CN105127050A (en) * | 2015-07-22 | 2015-12-09 | 宁波百立光电有限公司 | Sealant pouring process for waterproof lamp strips |
| DE202015009058U1 (en) | 2014-01-28 | 2016-08-11 | Songyan Xu | Translucent waterproof LED light |
| CN106287341A (en) * | 2016-08-18 | 2017-01-04 | 四川蓝景光电技术有限责任公司 | A kind of processing technique of silica gel extrusion molding soft light bar |
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| CN108443745A (en) * | 2018-04-02 | 2018-08-24 | 四川蓝景光电技术有限责任公司 | Plug-in silica gel extrusion molding LED light bar and its implementation |
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| CN103759218A (en) * | 2014-01-08 | 2014-04-30 | 王定锋 | Processing and installing method of LED lamp tube resin shells and manufacturing method of LED lamp tubes |
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| DE202015009058U1 (en) | 2014-01-28 | 2016-08-11 | Songyan Xu | Translucent waterproof LED light |
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| CN106287341A (en) * | 2016-08-18 | 2017-01-04 | 四川蓝景光电技术有限责任公司 | A kind of processing technique of silica gel extrusion molding soft light bar |
| CN106287341B (en) * | 2016-08-18 | 2018-10-30 | 四川蓝景光电技术有限责任公司 | A kind of processing technology of silica gel extrusion molding soft light bar |
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| CN109961697A (en) * | 2019-04-29 | 2019-07-02 | 合肥畅想光电科技有限公司 | Outdoor jewelry shows lamp bar |
| CN109961697B (en) * | 2019-04-29 | 2020-02-07 | 合肥畅想光电科技有限公司 | Outdoor jewelry display lamp strip |
| WO2021036808A1 (en) * | 2019-09-01 | 2021-03-04 | 王定锋 | Side light-emitting flexible panel lamp and manufacturing method thereof |
| CN112802951A (en) * | 2021-01-15 | 2021-05-14 | 重庆新源辉光电科技有限公司 | Waterproof LED lamp area encapsulating packaging system of sleeve pipe |
| CN115155980A (en) * | 2022-09-07 | 2022-10-11 | 山东智华家居科技有限公司 | Waterproof LED lamp area encapsulating system of sleeve pipe |
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