CN103822131A - Light-transmitting outdoor LED (light-emitting diode) lamp group and manufacturing method thereof - Google Patents
Light-transmitting outdoor LED (light-emitting diode) lamp group and manufacturing method thereof Download PDFInfo
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- CN103822131A CN103822131A CN201410041667.6A CN201410041667A CN103822131A CN 103822131 A CN103822131 A CN 103822131A CN 201410041667 A CN201410041667 A CN 201410041667A CN 103822131 A CN103822131 A CN 103822131A
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Abstract
The invention relates to a light-transmitting outdoor LED (light-emitting diode) lamp group and a manufacturing method thereof. The light-transmitting outdoor LED lamp group is provided with a good ultraviolet resisting function and an excellent weather resistance performance, can serve as an LED light source shell independently and can work outdoors and underwater for a long time without moisture permeation. The light-transmitting outdoor LED lamp group is formed by a series of connection of a plurality of LED lamps. Light sources for the one or a plurality of the LED lamps are formed by one LED or arrangement of a plurality of LEDs, and the one or a plurality of the LED lamps are hermetically coated by a modified PVC (polyvinyl chloride) thickener to form the light-transmitting outdoor LED lamp group. The light-transmitting outdoor LED lamp group has the advantages that 1, the PVC thickener serving as a shell of the LED light source is good in ultraviolet resistance, low temperature resistance and weather resistance and can reach V-2 to V-0 grades in flame retardance; 2, material cost and production cost of products are reduced, and the outdoor light-transmitting LED lamp group is low in processing cost, short in producing period and high in processing efficiency; 3, the shape of the light-transmitting outdoor LED lamp group can be formed differently according to different needs of users, and a technical bias that technicians in the field consider that the PVC thickener cannot serve as an LED lamp group forming material for a long time is basically changed.
Description
Technical field
The present invention relates to a kind of both had good anti-ultraviolet function and excellent weather resistance, again can be independently as LED light source lamp housing, simultaneously again can be for a long time out of doors, underwater operation and printing opacity LED outdoor lights group and the preparation method that steam infiltrates can not occur, belong to outdoor waterproof lamp fitting and manufacture field.
Background technology
1, CN102454908A, title " LED exposes the preparation method of water-proof string light and this lamp string ", be to utilize welding and epoxide-resin glue embedding mode that LED lamp, PCB circuit board, anti-UV ultraviolet ray PU lead wire set are combined, become by 50 ℃ of-60 ℃ of hot settings.Fully solve problem and the water resistance that modified epoxy and PVC cable can not strong bond and processed problem, when actual use, adopt parallel circuit that several perforated lamps are linked together according to certain rule, each perforated lamp is made up of LED lamp pearl, circuit board, gum cover, lead-in wire, and structure and the position relationship of each several part are as described below: 1) LED lamp pearl is positioned at the top of described perforated lamp; 2) circuit board is provided with the control circuit that is electrically connected and controls described LED lamp pearl with described LED lamp pearl; 3) lead-in wire connects external power and described control circuit; 4) gum cover is cylindric, wraps up the connecting portion of described LED lamp pearl, circuit board and lead-in wire and circuit board, and gum cover inside is filled with marine glue.
2, CN202432299U, title " a kind of LED line source with water-proof function ", comprise an installation aluminium frame, be connected in install aluminium frame PC pipe, be arranged at pcb board in PC pipe, be arranged at the multiple LED lamps on pcb board and be arranged at the plug that aluminium frame two ends are installed, described pcb board embedding has epoxide-resin glue, the contact portion of described installation aluminium frame, PC pipe and pcb board and plug is provided with silica gel, and also there is the silica gel sealing of beating in the edge of whole LED line source.
The weak point that above-mentioned background technology exists: the one, because epoxy resin and silica gel soak while using for a long time in high wetness or water, there will be infiltration and cause light fixture to lose efficacy and damage, can not reach the object of long-term waterproof; The 2nd, when epoxy resin and silica gel use out of doors, also there will be xanthochromia, cracking or with the situation such as shell disengagement, cause aqueous vapor to enter light source inside, cause light source fails.
3, CN102628562A, title " with LED lamp bar and the preparation method of full waterproof potting structure ", LED lamp bar main body (1); Wrap in the full waterproof potting structure (2) in LED lamp bar main body (1) with extrusion molding ring.The present invention also provides the glue sealing method of LED lamp bar, comprising: LED lamp bar main body (1) is provided; And by extrusion process, adhesive material extrusion molding is molded in to LED lamp bar main body (1) upper, and form the full waterproof potting structure (2) of ring bag LED lamp bar main body (1).The waterproof encapsulating material that LED lamp bar is carried out to encapsulating, for extrusion process, preferably can adopt PVC material, TPU material or PVC and TPU compound.This class encapsulating material not only can perform well in extrusion moulding, adapt to well the profile of LED lamp bar, but also there is 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, the waterproof potting structure that therefore this type of waterproof encapsulating material is made does not affect the normal work of LED lamp, luminous and heat radiation.Its weak point: those skilled in the art, according to the performance of PVC material, think that PVC expects to serve as airtight and watertight padding, can not be independently as light emitting source housing.
Summary of the invention
Purpose of design: avoid the weak point in background technology, design a kind of both had good anti-ultraviolet function and excellent weather resistance, again can be independently as LED light source lamp housing, simultaneously again can be for a long time out of doors, underwater operation and printing opacity LED outdoor lights group and the preparation method that steam infiltrates can not occur.
Design: in order to realize above-mentioned purpose of design.The present invention adopts modified PVC thickener to organize the design of each LED lamp capsul as LED, is technical characteristics of the present invention.The object of making is like this: it has changed those skilled in the art for a long time and has thought that modified PVC thickener is due to good dispersion property, can only be used for soft material field and sealing inserts, as artificial leather, vinyl toy, soft trade mark, wallpaper, paint, foamed plastic etc., and can not serve as the technology prejudice that illuminating source housing is made, and the application Fan Qi road it, adopt modified PVC thickener as LED light emitting source carrier, not only process equipment is inexpensive, mould simple cheap, can be made into F-SP LED lamp and by LED lamp lamp group in series, and foaming easily, the goods number of times that is heated is few, translucent effect is good, heat-resisting, shock resistance, tear-proof, and can be a small amount of, many kinds are produced, realized open air simultaneously, hermetically sealed under water, round-the-clock weather-proof use.
The application adds and is used for absorbing ultraviolet absorbent in modified PVC thickener; because ultra-violet absorber can absorb sunlight or fluorescence source middle-ultraviolet lamp part; and this body structure does not change; it can discharge high-octane ultraviolet luminous energy energy transform into heat energy or nondestructive longer light wave; thereby protection is added with the material of ultra-violet absorber and exempts from ultraviolet ray destruction; in modified PVC thickener, add ultra-violet absorber and can effectively stop ultraviolet ray in the sunlight destruction to LED lamp outer casing, extend the service life of light fixture.
The object that the application adds antioxidant in modified PVC thickener is: because the modified PVC thickener plastics after plasticizing are easily aging under the factor effects such as light, heat, oxygen, solvent, auxiliary agent, HCl, i.e. degraded or crosslinked, its physical and mechanical properties is degenerated, reduction of service life.In the application's modified PVC thickener, add antioxidant effectively to suppress or reduce the macromolecular thermal oxide of plastics, photooxidation reaction speed, improve significantly heat-resisting, the light fastness of the modified PVC thickener plastics after plasticizing, delay degraded, the ageing process of the modified PVC thickener plastics after plasticizing, improve the weather resisteant of the made LED waterproof of modified PVC thickener lamp housing, extend the modified PVC thickener plastic products service life after plasticizing.
The object that the application adds low temperature plasticizer in modified PVC thickener is: because low temperature plasticizer and modified PVC thickener have good compatibility, plasticization effect is good, be difficult for segregation, be difficult for oozing out, and low temperature plasticizer can reduce the vitrification point of the modified PVC thickener plastics after plasticizing, make its pliability good, the cold tolerance that can improve the modified PVC thickener plastics after plasticizing, makes it still have good serviceability at cold district.
The object that the application adds stabilizing agent in modified PVC thickener is: modified PVC thickener at high temperature plastify or high temperature under use, very easily emit HCL, form unsettled polyene structure.Meanwhile, HCL has autocatalysis, can make PVC further degrade.In addition, if aerobic exists or have iron, aluminium, zinc, tin, copper and cadmium plasma to exist, all can be to the PVC catalytic action of having degraded, accelerate that it is aging.Therefore will there are various bad phenomenon in plastics, as variable color, distortion, be full of cracks, mechanical strength decline, edge hydraulic performance decline, embrittlement etc.In order to address these problems, in modified PVC thickener plastics, must add different cultivars, the stabilizing agent of different numbers.
Technical scheme 1: a kind of printing opacity LED outdoor lights group, multiple LED lamps conspire to create LED lamp group, and the light emitting source of described one or more LED lamps is arranged and is formed by one or plurality of LEDs, and the PVC thickener sealing that is modified of one or more LED lamps is overmolding to printing opacity water proof lamp group.
Technical scheme 2: a kind of preparation method of printing opacity LED outdoor lights group, make LED lamp composition pattern according to the shape of the required printing opacity water proof lamp of user, form in the die cavity of pattern at LED lamp unsettled the circuit board being formed by drive circuit and LED lamp group, then modified PVC thickener is injected in the die cavity of LED lamp composition pattern, 15-30 minute heats, modified PVC thickener in the die cavity of LED lamp composition pattern solidifies, now the LED lamp group after solidifying is deviate from from the die cavity of lamp composition pattern, obtain printing opacity LED outdoor lights group.
The present invention compared with background technology, the one, adopt modified PVC thickener or modified PVC thickener as LED lamp group housing, not only there is good UV resistant, low temperature resistant, good weatherability, and fire-retardant V-2 to the V-0 level that reaches; The 2nd, reduced material cost and the production cost of product, and processing cost is low, and with short production cycle, production efficiency is high; The 3rd, can be according to the profile of user's different demand shaping LED lamp groups, fundamentally change and thought that modified PVC thickener can not serve as the technology prejudice of LED lamp group moulding material since the normal phase of those skilled in the art.
Accompanying drawing explanation
Fig. 1 is the structural representation of printing opacity LED outdoor lights group.
Fig. 2 is the schematic flow sheet of Fig. 1 preparation method.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of printing opacity LED outdoor lights group, multiple LED lamps 1 LED lamp in series group, the light emitting source of described multiple LED lamps 1 is arranged and is formed by or plurality of LEDs 2, the PVC thickener sealing that is modified of one or multiple LED lamp is overmolding to printing opacity water proof lamp group, and between its LED light emitting source and modified PVC thickener, formation is without air gap sealed structure.One or plurality of LEDs 2 are packaged finished product.One or plurality of LEDs 2 arrange form LED light emitting sources by mode and structure be prior art, be not described herein at this.Drive circuit 3 for driving LED light emitting source is prior art, is not described herein at this.
Embodiment 2: on the basis of embodiment 1, described LED lamp itself comprises LED drive circuit and the PVC thickener sealing that is modified is coated.
Embodiment 3: on the basis of embodiment 1, described LED lamp itself comprises LED drive circuit and control chip and the PVC thickener sealing that is modified is coated.
Embodiment 4: on the basis of embodiment 1, contain ultra-violet absorber in described modified PVC thickener, ultra-violet absorber addition is that 100 parts of modified PVC thickeners add 0.1 part to 0.8 part ultra-violet absorber.Described ultra-violet absorber is one or more the combination of ultraviolet absorbent UV-531, ultra-violet absorber UV-327, ultraviolet absorbent uv-326, ultra-violet absorber UV-74, ultra-violet absorber UV-9, Ultraviolet Absorber UV-P.
Embodiment 5: on the basis of embodiment 1, contain antioxidant in described modified PVC thickener.Antioxidant addition is that 100 parts of modified PVC thickeners add every kind of 0.5 part to 1 part antioxidant.Described antioxidant is antioxidant 2246, antioxidant 1520, antioxidant 1098, antioxidant 1076, antioxidant 1010, antioxidant 300, antioxidant 264, one or more combinations of irgasfos 168.
Embodiment 6: on the basis of embodiment 1, contain low temperature resistant additive in described modified PVC thickener.Low temperature resistant additive addition is that 100 parts of modified PVC thickeners add 5 parts to 20 parts low temperature plasticizer.Described low temperature resistant additive is diisodecyl adipate (being called for short DIDA), dioctyl adipate (being called for short DOA), dioctyl azelate (being called for short DOZ), decanedioic acid two butyric acid (being called for short DBS), di-n-octyl sebacate (being called for short DOS), one or more combinations of Plexol 201 (being called for short DIOS).
Embodiment 7: on the basis of embodiment 1, contain stabilizing agent in described modified PVC thickener.Stabilizing agent addition is that 100 parts of modified PVC thickeners add every kind of 0.5 part to 5 parts stabilizing agent.Described stabilizing agent is octyl mercaptan tin, octyl group tin oxide, Bis(lauroyloxy)dioctyltin, maleic acid dioctyltin, butanethiol tin, maleic acid dibutyl tin, laurate maleic acid dibutyl tin, laurate maleic acid dibutyl tin, two butyl tin oxide, dimethyl tin oxide, epoxidized soybean oil, epoxy siritch, phosphite.
Embodiment 8: on the basis of embodiment 1, contain flame-retardant plasticizer in described modified PVC thickener.Flame-retardant plasticizer addition is that 100 parts of modified PVC thickeners add 5 parts to 15 parts flame-retardant plasticizers.Described flame-retardant plasticizer is DP-45, tricresyl phosphate (TCP), triphenyl phosphate (TPP), tributyl phosphate (TBP), trioctyl phosphate (TOP), one or more combinations of diphenyl octyl phosphate (DPOP).
Embodiment 9: embodiment 11 and 2 or the basis of 1-3 on, a kind of LED lamp castable material, described LED lamp castable material is modified PVC thickener.Described LED lamp refers to by one or a lamp that above LED light emitting source forms.In described modified PVC thickener, contain ultra-violet absorber, ultra-violet absorber addition is that 100 parts of modified PVC thickeners add 0.1 part to 0.8 part ultra-violet absorber.Described ultra-violet absorber is one or more the combination of ultraviolet absorbent UV-531, ultra-violet absorber UV-327, ultraviolet absorbent uv-326, ultra-violet absorber UV-74, ultra-violet absorber UV-9, Ultraviolet Absorber UV-P.In described modified PVC thickener, contain antioxidant.Antioxidant addition is that 100 parts of modified PVC thickeners add every kind of 0.5 part to 1 part antioxidant.Described antioxidant is antioxidant 2246, antioxidant 1520, antioxidant 1098, antioxidant 1076, antioxidant 1010, antioxidant 300, antioxidant 264, one or more combinations of irgasfos 168.In described modified PVC thickener, contain low temperature resistant additive.Low temperature resistant additive addition is that 100 parts of modified PVC thickeners add 5 parts to 20 parts low temperature plasticizer.Described low temperature resistant additive is diisodecyl adipate (being called for short DIDA), dioctyl adipate (being called for short DOA), dioctyl azelate (being called for short DOZ), decanedioic acid two butyric acid (being called for short DBS), di-n-octyl sebacate (being called for short DOS), one or more combinations of Plexol 201 (being called for short DIOS).In described modified PVC thickener, contain stabilizing agent.Stabilizing agent addition is that 100 parts of modified PVC thickeners add every kind of 0.5 part to 5 parts stabilizing agent.Described stabilizing agent is octyl mercaptan tin, octyl group tin oxide, Bis(lauroyloxy)dioctyltin, maleic acid dioctyltin, butanethiol tin, maleic acid dibutyl tin, laurate maleic acid dibutyl tin, laurate maleic acid dibutyl tin, two butyl tin oxide, dimethyl tin oxide, epoxidized soybean oil, epoxy siritch, phosphite.In described modified PVC thickener, contain flame-retardant plasticizer.Flame-retardant plasticizer addition is that 100 parts of modified PVC thickeners add 5 parts to 15 parts flame-retardant plasticizers.Described flame-retardant plasticizer is DP-45, tricresyl phosphate (TCP), triphenyl phosphate (TPP), tributyl phosphate (TBP), trioctyl phosphate (TOP), one or more combinations of diphenyl octyl phosphate (DPOP).
Embodiment 10: with reference to accompanying drawing 2.Embodiment 1 or embodiment 1 and 2 or the basis of embodiment 1-3 on, a kind of preparation method of printing opacity LED outdoor lights group, make LED lamp composition pattern according to the shape of the required printing opacity water proof lamp of user, form in the die cavity of pattern at LED lamp unsettled the circuit board being formed by drive circuit and LED lamp group, then modified PVC thickener is injected in the die cavity of LED lamp composition pattern, 15-30 minute heats, modified PVC thickener in the die cavity of LED lamp composition pattern solidifies, now the LED lamp group after solidifying is deviate from from the die cavity of lamp composition pattern, obtain printing opacity LED outdoor lights group.
Embodiment 11: on the basis of embodiment 10, make LED lamp composition pattern according to the shape of the required printing opacity water proof lamp of user, form in the die cavity of pattern at LED lamp unsettled the circuit board being formed by drive circuit, control circuit (chip) and LED lamp group, then modified PVC thickener is injected in the die cavity of LED lamp composition pattern, 15-30 minute heats, modified PVC thickener in the die cavity of LED lamp composition pattern solidifies, now the LED lamp group after solidifying is deviate from from the die cavity of lamp composition pattern, obtain printing opacity LED outdoor lights group.
Embodiment 12: on the basis of embodiment 10 or 11, described in heat and heat or drying tunnel is heated for baking oven.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than restriction to mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention, all falls within the scope of protection of the present invention.
Claims (15)
1. a printing opacity LED outdoor lights group, multiple LED lamps conspire to create LED lamp group, it is characterized in that: the light emitting source of described one or more LED lamps is arranged and formed by one or plurality of LEDs, and the PVC thickener sealing that is modified of one or more LED lamps is overmolding to printing opacity water proof lamp group.
2. printing opacity LED outdoor lights group according to claim 1, is characterized in that: described LED lamp itself comprises LED drive circuit.
3. printing opacity LED outdoor lights group according to claim 1, is characterized in that: described LED lamp itself comprises LED drive circuit and control chip.
4. printing opacity LED outdoor lights group according to claim 1, is characterized in that: in described modified PVC thickener, contain ultra-violet absorber.
5. printing opacity LED outdoor lights group according to claim 4, is characterized in that: described ultra-violet absorber is ultraviolet absorbent UV-531, ultra-violet absorber UV-327, ultraviolet absorbent uv-326, ultra-violet absorber UV-74, ultra-violet absorber UV-9, Ultraviolet Absorber UV-P.
6. printing opacity LED outdoor lights group according to claim 1, is characterized in that: in described modified PVC thickener, contain antioxidant.
7. printing opacity LED outdoor lights group according to claim 6, is characterized in that: described antioxidant is antioxidant 2246, antioxidant 1520, antioxidant 1098, antioxidant 1076, antioxidant 1010, antioxidant 300, antioxidant 264, irgasfos 168.
8. printing opacity LED outdoor lights group according to claim 1, is characterized in that: in described modified PVC thickener, contain low temperature resistant additive.
9. printing opacity LED outdoor lights group according to claim 8, is characterized in that: described low temperature resistant additive is diisodecyl adipate (being called for short DIDA), dioctyl adipate (being called for short DOA), dioctyl azelate (being called for short DOZ), decanedioic acid two butyric acid (being called for short DBS), di-n-octyl sebacate (being called for short DOS), Plexol 201 (being called for short DIOS).
10. printing opacity LED outdoor lights group according to claim 1, is characterized in that: in described modified PVC thickener, contain stabilizing agent.
11. printing opacity LED outdoor lights groups according to claim 10, described stabilizing agent is octyl mercaptan tin, octyl group tin oxide, Bis(lauroyloxy)dioctyltin, maleic acid dioctyltin, butanethiol tin, maleic acid dibutyl tin, laurate maleic acid dibutyl tin, laurate maleic acid dibutyl tin, two butyl tin oxide, dimethyl tin oxide, epoxidized soybean oil, epoxy siritch, phosphite.
12. printing opacity LED outdoor lights groups according to claim 1, is characterized in that: in described modified PVC thickener, contain flame-retardant plasticizer.
13. printing opacity LED outdoor lights groups according to claim 12, is characterized in that: described flame-retardant plasticizer is DP-45, tricresyl phosphate (TCP), triphenyl phosphate (TPP), tributyl phosphate (TBP), trioctyl phosphate (TOP), diphenyl octyl phosphate (DPOP).
The preparation method of 14. 1 kinds of printing opacity LED outdoor lights groups, it is characterized in that: make LED lamp composition pattern according to the shape of the required printing opacity water proof lamp of user, form in the die cavity of pattern at LED lamp unsettled the circuit board being formed by drive circuit and LED lamp group, then modified PVC thickener is injected in the die cavity of LED lamp composition pattern, 15-30 minute heats, modified PVC thickener in the die cavity of LED lamp composition pattern solidifies, now the LED lamp group after solidifying is deviate from from the die cavity of lamp composition pattern, obtain printing opacity LED outdoor lights group.
The preparation method of 15. printing opacity LED outdoor lights groups according to claim 14, is characterized in that: described in heat and heat or drying tunnel is heated for baking oven.
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| CN201410041667.6A CN103822131B (en) | 2014-01-28 | 2014-01-28 | Printing opacity LED outdoor lights group and manufacture method |
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| CN201410041667.6A CN103822131B (en) | 2014-01-28 | 2014-01-28 | Printing opacity LED outdoor lights group and manufacture method |
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| CN103822131B CN103822131B (en) | 2016-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257898A (en) * | 2017-07-14 | 2019-01-22 | 杭州勇电照明有限公司 | Round-the-clock Switching Power Supply seals filling molding material |
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