CN102628562B - 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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- CN102628562B CN102628562B CN201110149964.9A CN201110149964A CN102628562B CN 102628562 B CN102628562 B CN 102628562B CN 201110149964 A CN201110149964 A CN 201110149964A CN 102628562 B CN102628562 B CN 102628562B
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- lamp bar
- led lamp
- main body
- sleeve pipe
- bar main
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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, full waterproof potting structure that the present invention relates to LED lamp bar and preparation method thereof.
Background technology
The sealing of traditional LED lamp bar, normally adopt the mode of dripping glue, namely, LED lamp bar carried out after SMT mounts LED and other components and parts completing, with liquid PU material (silica gel), drip irrigation is carried out to the front (namely lamp bar has the side of LED and other components and parts) of lamp bar, then carries out toasting or natural air drying.But this glue mode, when adopting baking or natural air drying to carry out dripping adhesive curing, not only relates to extra operation, and this operation needs flower long time, and production efficiency is too low, and the production space taken is large, and classification of waterproof is low.
Moreover, LED lamp bar that glue mode makes is dripped in such employing can not waterproof completely, because the process of drip irrigation just carries out drip irrigation to the front of LED lamp bar, when product is immersed in the water or use out of doors, there is the phenomenon warping, split in the binding site that As time goes on there will be between PU glue (silica gel) and LED lamp bar surface, and then does not have the effect of waterproof.
Therefore, need a kind of novel LED lamp bar sealing technology in the art and solve above-mentioned technical problem and other technical problem, and the many excellent technique effects being better than prior art are provided.
Summary of the invention
The present invention is intended to solve the above technical problem with other.
According to the present invention, LED lamp bar carried out after SMT mounts LED and other components and parts completing, make whole lamp bar by the extruded mould in running, thus wrap one deck marine glue at the face seal ring of whole LED lamp bar, form the full waterproof potting structure of LED lamp bar.
Specifically, according to the present invention, provide a kind of LED lamp bar, described LED lamp bar comprises: LED lamp bar main body; The full waterproof potting structure in described LED lamp bar main body is wrapped in extrusion molding ring.
According to an aspect of the present invention, described full waterproof potting structure is the full waterproof encapsulating sleeve pipe of LED lamp bar main body described in tight enclosing.
According to a further aspect in the invention, described full waterproof rubber injection sleeve pipe has the tube chamber of hollow, and the shape of wherein said tube chamber conforms to the profile of described LED lamp bar main body.
According to a further aspect in the invention, described full waterproof potting structure is expected by PVC, TPU expects or the compound of PVC and TPU is made.
According to a further aspect in the invention, the joint area between the end and external wire of described LED lamp bar main body is provided with marine glue pressure head.
According to an aspect of the present invention, described full waterproof potting structure is the full waterproof encapsulating sleeve pipe of LED lamp bar main body described in tight enclosing.
According to a further aspect in the invention, described marine glue pressure head is the pressure head that injection moulding covers described joint area.
According to the present invention, additionally provide a kind of method to LED lamp bar sealing, comprising: LED lamp bar main body is provided; With by extrusion process, adhesive material extrusion molding is molded in described LED lamp bar main body, and forms the full waterproof potting structure of LED lamp bar main body described in ring bag.
According to a further aspect in the invention, described full waterproof potting structure is molded the full waterproof encapsulating sleeve pipe being made into LED lamp bar main body described in tight enclosing by extrusion molding.
According to a further aspect in the invention, described full waterproof encapsulating sleeve pipe is configured as the tube chamber with hollow, and the shape of wherein said tube chamber conforms to the profile of described LED lamp bar main body.
According to a further aspect in the invention, described adhesive material is the transparent materials such as PVC material, TPU material, TPE or nylon.
According to a further aspect in the invention, the joint area between the end and external wire of described LED lamp bar main body arranges marine glue pressure head by the mode of injection moulding.
Compared with traditional glue technology of dripping, LED lamp bar waterproof glue sealing structure waterproof sealing performance of the present invention is very good, the weatherability of the LED lamp bar product after sealing, working life and reliability are improved greatly, and its production technology is simple, fast, production efficiency is also very high.
Accompanying drawing explanation
Following in the description of the drawings and specific embodiments, one or more embodiments of the detail of the present invention will be set forth.From these descriptions, accompanying drawing and claim, other features, objects and advantages of the present invention can be known, but the embodiment in accompanying drawing does not form any limitation of the invention, in the accompanying drawings:
Fig. 1 is the cross sectional representation of the LED lamp bar having completed sealing adhesive process according to an embodiment of the invention, clearly demonstrates the full waterproof encapsulating sleeve pipe for LED lamp bar.
Fig. 2 is the cross sectional representation of the full waterproof encapsulating sleeve pipe shown in Fig. 1, wherein for the sake of clarity eliminates LED lamp bar.
Fig. 3 is the floor map of the LED lamp bar having completed sealing adhesive process according to an embodiment of the invention, which show the marine glue pressure head being positioned at LED lamp bar one end.
Detailed description of the invention
Below the specific embodiment of the glue sealing method to a kind of LED lamp bar of the present invention is described in more detail.
But it will be appreciated by those skilled in the art that the following stated is only illustrate and describe some preferred embodiments, some other similar or equivalent embodiment equally also can be used for implementing the present invention.
In the present invention, " LED lamp bar " should do the understanding in wide sense, not only comprise LED flexible lamp bar, namely the lamp bar of LED is installed at FPC (FPC), but also comprise the hard lamp bar of LED, namely at the upper lamp bar installing LED of PCB (in the industry also known as " hardboard " or " rigid line plate "); Not only comprise lamp bar one-sided circuit board being installed LED, but also comprise lamp bar double-sided wiring board or multilayer circuit board being installed LED, etc.These all belong to scope of the present invention.
Below in conjunction with describing the preferred embodiment of the present invention.
According to one embodiment of the invention, get out extruded mould, this extruded mould is known in the art, is no longer described in detail.
In addition, be ready for and the waterproof encapsulating material of encapsulating is carried out for extrusion process to LED lamp bar, preferably can adopt PVC material, TPU material or PVC and TPU compound.This kind of encapsulating material not only can perform well in extrusion moulding, adapt to the profile of LED lamp bar well, but also there is good thermal diffusivity, light transmission and weatherability, be particularly suitable for wrapping up LED lamp bar, and can ensure the good light transmittance of LED lamp bar, the waterproof potting structure that therefore this type of waterproof encapsulating material makes does not affect normal work, the luminescence of LED and dispels the heat.
Various LED lamp bar known traditionally can be adopted, comprise LED flexible light bar and the hard lamp bar of LED, install at the components and parts (comprising LED, resistance etc.) completing LED lamp bar, such as, after SMT installs, by LED lamp bar with certain speed by being equipped with the extruded mould of extruded material, thus complete the extrusion molding sealing adhesive process of the whole LED lamp bar outer surface of ring bag, form the full waterproof encapsulating sleeve pipe of the whole LED lamp bar of encapsulating, the structure of this full waterproof encapsulating sleeve pipe and extrusion molding sealing adhesive process thereof provide the disposition of 360 ° for LED lamp bar.And then play the effect of full waterproof and sealing.
Fig. 1 shows the cross sectional representation of the LED lamp bar 1 having completed sealing adhesive process according to an embodiment of the invention, clearly demonstrates the full waterproof encapsulating sleeve pipe 2 for LED lamp bar 1.Wherein, whole LED lamp bar 1, be included in LED and other components and parts in its luminous front, the full waterproof encapsulating sleeve pipe 2 of all squeezed moulding one-tenth is encapsulated tightly.
Fig. 2 then show further the cross sectional representation of the full waterproof encapsulating sleeve pipe 2 shown in Fig. 1, wherein for the sake of clarity eliminates LED lamp bar 1.Clearly demonstrate 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 the tubular structure of a hollow, defines the tube chamber 2A of hollow.The size and shape of this tube chamber 2A closely conforms to the profile of LED lamp bar, and because full waterproof encapsulating sleeve pipe 2 is extrusion moulding, therefore tube chamber 2A is by different from the difference of the profile of packaged LED lamp bar easily.
In addition, the main body of full waterproof encapsulating sleeve pipe 2 is sleeve structures, comprises the sleeve pipe top 2C being encapsulated in LED lamp bar 1 front and the casing part 2B being encapsulated in LED lamp bar 1 back side.
Although the profile of full waterproof encapsulating sleeve pipe 2 is arcs shown in Fig. 1, such as the cross section of sleeve pipe top 2C is cambered surface, but, those skilled in the art be obviously appreciated that full waterproof encapsulating sleeve pipe 2 can according to client or application scenario need be made into any required shape, such as cross section is square, circular, ellipse, polygon etc., these all belong to concept of the present invention.
The present invention it is contemplated that the glue sealing structure of the joint area between LED lamp bar end and external wire.As shown in Figure 3, Fig. 3 is the floor map of the LED lamp bar 1 having completed sealing adhesive process according to an embodiment of the invention, which show the waterproof sealing pressure head 4 being positioned at LED lamp bar 1 one end.
After sealing having been carried out to LED lamp bar 1, LED lamp bar 1 is sealed up full waterproof encapsulating sleeve pipe 2.But at the end of LED lamp bar 1 product, be generally provided with lead pad, external wire 3 is drawn from this lead pad and for being connected to external power source, is normally worked for lightening LED lamp.Joint area (as shown in the dotted line frame in Fig. 3) between the end (lead pad) of this external wire 3 and LED lamp bar 1 product is easier to infiltration and enters, thus causes LED lamp bar such as cannot normally work enduringly out of doors.
Therefore, in order to provide more reliable waterproof effect at this joint area, and in order to improve external wire 3 and LED lamp bar 1 product further end between bonding strength, according to the present invention, such as last layer marine glue pressure head 4 is covered by the mode of injection moulding at this joint area, this marine glue pressure head 4 covers this joint area, namely seal with the external wire 3 at this joint area place and combine, but also be combined with this end tight seal of LED lamp bar 1 product, thus play the effect improving waterproof and bonding strength further.
Although Fig. 3 display is arrange this anti-hydraulic head 4 in LED lamp bar one end, the obvious easy understand of those skilled in the art, can all arrange this anti-hydraulic head at the two ends of LED lamp bar, thus guarantee the full water resistance of product.
Below the technique of a detailed description of the invention of LED of the present invention full water-proof lamp strip extrusion molding (encapsulating) technique is described in more detail.
Selected equipment: SJ-65HY sheath machine, power distribution cabinet, passive pay off rack, tank, ink jet numbering machine, vertical traction machine, drawing and rolling machine.
Selected instrument: scissors, clamp, dial caliper, thermometer, balance claim, spanner.
Preparatory process before production: produce one hour in advance to the heating of SJ-65HY extruding machine, first electrical power control cabinet is observed and heater has without exception before heating, first should observe each thermal treatment zone switch during heating whether to close, switch board internal main power supply is opened again if closed, then the power switch of each thermal treatment zone is opened successively, whether the electric current observing each thermal treatment zone is normal, sets each Heating Zone Temperature.
Selected heating process:
According to using, difference each thermal treatment zone design temperature of material is roughly as follows:
Firstth district: 150-160 DEG C; Secondth district: 175-185 DEG C; 3rd district: 175-185 DEG C; 4th district: 170-185 DEG C; 5th district: 166-180 DEG C.
Preparation routine before unwrapping wire, comprising: mold exchange, change filter screen, check semi-finished product lamps bar, raw material etc.
Subsequent handling:
The temperature of each thermal treatment zone is arrived design temperature after being incubated 30 minutes, open SJ-65HY extruding machine power switch, note while slowly adjusting potentiometer observing main frame ammeter (electric current is no more than 40A, extremely asks hard stop if having), adjust to required rotating speed;
Whether smoothly observe the surface of extruding protective cover material, adjust bias and thickness, after reaching requirement, engine speed is dropped to zero, put on draught line;
Open vertical traction electromechanical source, adjust the rotating speed of hauling machine and SJ-65HY extruding machine according to the requirement of required wire diameter;
Smooth, size, fineness and the liquid level etc. of adjustment lamp bar, after all meet the requirements, lamp bar is carried out mark;
After production, first successively the rotating speed of main frame, hauling machine is dropped to zero, powered-down, then opening each thermal treatment zone blower fan is equipment cooling, after equipment cooling, close blower fan, general supply in last closing control cabinet; With
After shutdown, work-yard and equipment cleaning is clean, deposit finished product, instrument etc.
Compared with traditional glue technology of dripping, very good according to its waterproof sealing performance of waterproof glue sealing structure of this LED lamp bar of the inventive method making, the weatherability of the LED lamp bar product after sealing, working life and reliability are improved greatly, and its production technology is simple, quick, with low cost, production efficiency is also very high.
Below by reference to the accompanying drawings with specific embodiment to invention has been detailed description.But, it will be appreciated by those skilled in the art that the above is only illustrate and describe some detailed description of the invention, above embodiment is utilized only to be used for technical scheme of the present invention is described, therefore to scope of the present invention, the especially scope of claim, does not have any restriction.Scope of the present invention is limited by claims.
Claims (2)
1. a LED lamp bar of LED is installed on FPC, comprises:
LED lamp bar main body (1);
It is characterized in that, described LED lamp bar also comprises:
Extrusion molding ring wraps in the full waterproof potting structure (2) on described LED lamp bar main body (1);
Described full waterproof potting structure (2) is the full waterproof encapsulating sleeve pipe (2) of LED lamp bar main body (1) described in tight enclosing, described full waterproof encapsulating sleeve pipe (2) has the tube chamber (2A) of hollow, the shape of wherein said tube chamber (2A) conforms to the profile of described LED lamp bar main body (1), the cross section that the main body of wherein said full waterproof encapsulating sleeve pipe (2) comprises sleeve pipe top (2C) that the cross section being encapsulated in described LED lamp bar main body (1) front is cambered surface and is encapsulated in described LED lamp bar main body (1) back side is the casing part (2B) of flat shape, described sleeve pipe top (2C) and casing part (2B) extrusion moulding are described full waterproof encapsulating sleeve pipe (2), and
Wherein, the joint area between the end and external wire (3) of described LED lamp bar main body (1) is provided with marine glue pressure head (4) by the mode of injection moulding;
Wherein, described full waterproof encapsulating sleeve pipe (2) is expected by PVC, TPU expects or the compound of PVC and TPU is made.
2. the LED lamp bar of installing LED on FPC is carried out to a method for sealing, comprising:
LED lamp bar main body (1) is provided;
It is characterized in that, described method also comprises:
By extrusion process, adhesive material extrusion molding is molded on described LED lamp bar main body (1), and forms the full waterproof potting structure (2) of LED lamp bar main body (1) described in ring bag;
Described full waterproof potting structure (2) is made into the full waterproof encapsulating sleeve pipe (2) of LED lamp bar main body (1) described in tight enclosing by extrusion molding;
Described full waterproof encapsulating sleeve pipe (2) is configured as the tube chamber (2A) with hollow, the shape of wherein said tube chamber (2A) conforms to the profile of described LED lamp bar main body (1), and the cross section that the main body of wherein said full waterproof encapsulating sleeve pipe (2) comprises sleeve pipe top (2C) that the cross section being encapsulated in described LED lamp bar main body (1) front is cambered surface and is encapsulated in described LED lamp bar main body (1) back side is the casing part (2B) of flat shape, described sleeve pipe top (2C) and casing part (2B)) extrusion moulding is described full waterproof encapsulating sleeve pipe (2), and
Joint area between the end and external wire (3) of described LED lamp bar main body (1) arranges marine glue pressure head (4) by the mode of injection moulding;
Wherein, described full waterproof encapsulating sleeve pipe (2) is expected by PVC, TPU expects or the compound of PVC and TPU is made.
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 |
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| CN102628562A CN102628562A (en) | 2012-08-08 |
| CN102628562B true CN102628562B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Families Citing this family (13)
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| WO2014183231A1 (en) * | 2013-05-16 | 2014-11-20 | Tian Maofu | Led light bar with fully waterproof potted structure and manufacturing method |
| 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 |
| WO2015113471A1 (en) | 2014-01-28 | 2015-08-06 | 徐松炎 | Led lamp forming material and light-pervious waterproof lamp |
| 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 |
| CN104850840A (en) * | 2015-05-19 | 2015-08-19 | 苏州晶方半导体科技股份有限公司 | Chip packaging method and chip packaging structure |
| CN105127050B (en) * | 2015-07-22 | 2019-01-18 | 宁波百立光电有限公司 | A kind of encapsulating adhesive process of water proof lamp band |
| 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 |
| CN106624301A (en) * | 2016-12-26 | 2017-05-10 | 上海沪通企业集团有限公司 | Double-voltage waterproof electric arc welder |
| 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 |
| 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 |
| CN112443769A (en) * | 2019-09-01 | 2021-03-05 | 王定锋 | Side-lighting flexible panel lamp and manufacturing method thereof |
| CN112802951B (en) * | 2021-01-15 | 2022-02-01 | 重庆新源辉光电科技有限公司 | Waterproof LED lamp area encapsulating packaging system of sleeve pipe |
| CN115155980B (en) * | 2022-09-07 | 2022-11-25 | 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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| CN102628562A (en) | 2012-08-08 |
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Effective date of registration: 20160206 Address after: 516269, No. three, No. 309, Longsheng Road, Dayawan, Guangdong, Huizhou Patentee after: Huizhou tandem Electronic Technology Co., Ltd. Address before: 516269 Guangdong province Huizhou city Huiyang District Huizhou Town Industrial Zone, Sha Tin Tiantou Folong Series Electronic Technology Co. Ltd. Patentee before: Tian Maofu |
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