CN108194853A - High brightness flexible LED lamp with electro-magnetic screen function - Google Patents
High brightness flexible LED lamp with electro-magnetic screen function Download PDFInfo
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- CN108194853A CN108194853A CN201711451902.7A CN201711451902A CN108194853A CN 108194853 A CN108194853 A CN 108194853A CN 201711451902 A CN201711451902 A CN 201711451902A CN 108194853 A CN108194853 A CN 108194853A
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- Prior art keywords
- led lamp
- electro
- high brightness
- screen function
- magnetic screen
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- 238000004513 sizing Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000011324 bead Substances 0.000 claims abstract description 15
- 229920005575 poly(amic acid) Polymers 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000002122 magnetic nanoparticle Substances 0.000 claims abstract description 5
- 239000002105 nanoparticle Substances 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000013049 sediment Substances 0.000 claims description 20
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 19
- -1 diamine compound Chemical class 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000035484 reaction time Effects 0.000 claims description 8
- 238000006068 polycondensation reaction Methods 0.000 claims description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 7
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000908 ammonium hydroxide Substances 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005034 decoration Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- IUYHQGMDSZOPDZ-UHFFFAOYSA-N 2,3,4-trichlorobiphenyl Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 IUYHQGMDSZOPDZ-UHFFFAOYSA-N 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 125000003277 amino group Chemical group 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
- F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
- F21S4/26—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of rope form, e.g. LED lighting ropes, or of tubular form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention discloses a kind of high brightness flexible LED lamp with electro-magnetic screen function, including core wire, through-hole there are one longitudinally being opened up in core wire, sizing strip is equipped in through-hole, multiple light bar ontologies are connected around sizing strip, light bar ontology includes flexible PCB, and flexible PCB is equipped at least two LED lamp beads, and the base material of flexible PCB is prepared by polyamic acid grafted metal magnetic nanoparticle.Compared with prior art, high brightness flexible LED lamp provided by the invention with electro-magnetic screen function, it is compact-sized, light emitting angle is big and brightness uniformity, prevent the generation of dark space, can arbitrarily be bent fixation, the lamp decoration of the various moulding of layer can be made without additionally increasing component, optically focused, good heat dissipation effect can be carried out to the light that LED lamp bead is sent out；The base material of flexible PCB can effectively absorb and electromagnetic wave of decaying, reduction material are to reflection of electromagnetic wave and scattering, has excellent electromagnetic shielding action, and with very good mechanical properties and thermal stability, ensure the steady operation of LED light source.
Description
Technical field
The present invention relates to lighting device, more particularly to a kind of high brightness flexible LED lamp with electro-magnetic screen function.
Background technology
LED light has the characteristics that energy conservation and environmental protection, light are soft uniformly, color is various, deep to be liked by consumers in general.With
The development of LED technology, the form of LED light is more and more, and wherein LED light bar is widely used in red-letter day and does something for the occasion decoration, family wear
It repaiies, in city lighting engineering and various recreation places.At present, common LED light bar is mostly patch type flexibility on the market
Light bar, and surface mount type lamp band as illuminator can only single side shine, it is impossible to entirely lighting, so as to cause lamp body light-emitting surface have office
Sex-limited, illumination effect is uneven, generates halation and shade；And flexibility is limited, can only be bent towards certain direction, if appointed
Meaning distortion bending, is easily broken off or leads to LED chip desoldering or even whole patch type flexible light band is made not work, influence normally to make
With；Bending cannot be arbitrarily just distorted for patch type flexible light band, so the sizing installation of patch type flexible light band must rely on outside
Buckle and mounting groove, installation sizing is inconvenient；The LED light service life has outside long service life, and LED has the excellent of power saving simultaneously
Gesture, still, LED light source are different from ordinary light source, need drive circuit board, and are equipped with the circuit board needs of electronic equipment
Low power consumption, thermal stability improve the service life of LED lamp.
Invention content
For solution more than technical problem, the present invention provides a kind of high brightness flexible LED lamp with electro-magnetic screen function, with
It solves that there is big light emitting angle, brightness uniformity, small, good heat dissipation, the flexible moulding that the production is simple and convenient, there is electromagnetic screen
The effect of covering ensures the problems such as LED lamp normal table work.
The technical solution adopted by the present invention is as follows：A kind of high brightness flexible LED lamp with electro-magnetic screen function, key exist
In：It is longitudinally opened up including core wire and light bar ontology, in the core wire there are one through-hole, sizing strip is equipped in the through-hole, is surrounded
The sizing strip connects multiple light bar ontologies, and the sizing strip and the light bar ontology are along the length direction of the through-hole
Setting, the light bar ontology include flexible PCB, and the flexible PCB is equipped at least two LED lamp beads；
The base material of the flexible PCB is prepared by polyamic acid grafted metal magnetic nanoparticle；
The polyamic acid is 1 by molar ratio：The aromatic tetrahydric dianhydride of (0.9~1.2) and diamine compound polycondensation form；
Wherein aromatic tetrahydric dianhydride is
Wherein diamine compound isWherein R3 is
Preferably, the polyamic acid is 1 by molar ratio：1.02 pyromellitic acid anhydride and diamine compound polycondensation and
Into.
Preferably, the metal magnetic nano particle is amino modified Fe3O4Nano particle.
Preferably, the Fe3O4Nano particle is obtained using following methods：By FeCl3And FeSO4It is dissolved in deionized water
In obtain mixed solution, precipitating reagent is then added in mixed solution, in N2Under protection, reaction temperature is 20-40 DEG C, side stirring
0.5-1.5h is reacted on side, after the completion of reaction, isolates sediment, after finally sediment is cleaned multiple times with deionized water, obtains
The Fe3O4Nano particle；The Fe that will be obtained3O4Nano particle is dispersed in the ethanol solution that mass fraction is 35-55%wt.,
Then tetraethyl orthosilicate and gamma-aminopropyl-triethoxy-silane are sequentially added while stirring, and reaction temperature is 35-45 DEG C, reaction
Time is 6-15h, and after completion of the reaction, sediment is separated, dry after then sediment is cleaned multiple times with absolute ethyl alcohol
Obtain the amino modified Fe3O4Nano particle；
Preferably, the precipitating reagent is the ammonium hydroxide that mass fraction is 25%~30%wt.；The tetraethyl orthosilicate and described
The volume ratio of gamma-aminopropyl-triethoxy-silane is 1:1.
Preferably, the sizing strip includes support ontology, and the center of the support ontology is longitudinally equipped with a shaped metal
Item, the support ontology are square, and the inner wall of the side of the square respectively with the core wire is connect, and the light bar ontology is
Four, two-by-two face be arranged on it is described support ontology on.
Preferably, the side of the support ontology is cambered surface, and the convex surface of four cambered surfaces is towards the shaped metal
Item, the flexible PCB are arc panel, and the convex surface of four arc panels is fixedly connected respectively with the nearest cambered surface, described
The concave surface of arc panel is equipped with LED lamp bead.
Preferably, multiple heat sinks, the heat sink and institute are equipped between the support ontology and the flexible PCB
State LED lamp bead one-to-one correspondence.
Preferably, the side of the support ontology is covered with reflective layer.
Preferably, the core wire and support ontology are transparent PVC, and the heat sink is metal aluminium flake.
Advantageous effect：Compared with prior art, the present invention provides a kind of high brightness with electro-magnetic screen function is flexible
LED light, it is compact-sized, it is used cooperatively by the flexible PCB of sizing strip and arc, light emitting angle is big and brightness uniformity, prevents
The generation of dark space, the shaped metal item being built in support ontology, can arbitrarily be bent fixation, without additionally increasing component just
The lamp decoration of the various moulding of layer can be made, using curved reflection layer, optically focused, each LED can be carried out to the light that LED lamp bead is sent out
Lamp bead is individually equipped with one block of heat sink, good heat dissipation effect；The base material of flexible PCB combines polyimides and magnetic Nano oxygen
The advantages of changing iron, can effectively absorb and electromagnetic wave of decaying, reduction material are to reflection of electromagnetic wave and scattering, have excellent electromagnetic screen
The effect of covering, and with very good mechanical properties and thermal stability, ensure the steady operation of LED light source.
Description of the drawings
Fig. 1 is the structural exploded view of the present invention；
Fig. 2 is the structure diagram of the cross section of the present invention.
Specific embodiment
For those skilled in the art is made to be better understood from technical scheme of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
Formula elaborates to the present invention.
Embodiment 1
As shown in Figures 1 and 2, a kind of high brightness flexible LED lamp with electro-magnetic screen function, including core wire 1 and lamp
Band body 2 is longitudinally opened up in the core wire 1 there are one through-hole 3, sizing strip 4 is equipped in the through-hole 3, around the sizing strip 4
Multiple light bar ontologies 2 are connected, the sizing strip 4 and the light bar ontology 2 are set along the length direction of the through-hole 3,
The light bar ontology 2 includes flexible PCB 21, and the flexible PCB 21 is arc panel, and the concave surface of the arc panel is equipped with
LED lamp bead 22；
The sizing strip 4 includes support ontology 41, and the center of the support ontology 41 is longitudinally equipped with a shaped metal item
42, the support ontology 41 is square, and the inner wall of the side of the square respectively with the core wire 1 connect, the support
The side of body 41 is cambered surface, and towards the shaped metal item 42, the light bar ontology 2 is four on the convex surface of four cambered surfaces
A, face is set two-by-two, and the convex surface of four arc panels is fixedly connected respectively with the nearest cambered surface；The support ontology 41
Multiple heat sinks 5 are equipped between the flexible PCB 21, the heat sink 5 is corresponded with the LED lamp bead 22, described
Supporting the side of ontology 41, it is transparent PVC to state core wire 1 and support ontology 41, and the heat sink 5 is metal covered with reflective layer 6
Aluminium flake.
The base material of the flexible PCB 21 is by polyamic acid grafted amino group MODIFIED Fe3O4Nano particle is prepared；It is described
Polyamic acid is 1 by molar ratio：0.9 aromatic tetrahydric dianhydride and diamine compound polycondensation form；
Wherein aromatic tetrahydric dianhydride is
Wherein diamine compound is
The Fe3O4Nano particle is obtained using following methods：By FeCl3And FeSO4Dissolving is mixed in deionized water
Solution is closed, the ammonium hydroxide that mass fraction is 25%wt. is then added in mixed solution, in N2Under protection, reaction temperature is 20 DEG C,
It reacts while stirring, reaction time 0.5h, after the completion of reaction, isolates sediment, it is finally that sediment deionized water is more
After secondary cleaning, the Fe is obtained3O4Nano particle；The Fe that will be obtained3O4Nano particle is dispersed to mass fraction as 35-55%wt.
Ethanol solution in, then sequentially add volume ratio while stirring as 1:1 tetraethyl orthosilicate and gamma-aminopropyl-triethoxy silicon
Alkane, controlling reaction temperature are 35 DEG C, and after completion of the reaction, sediment is separated, then uses sediment by reaction time 6h
After absolute ethyl alcohol is cleaned multiple times, it is dried to obtain the amino modified Fe3O4Nano particle.
Test result shows：LED light glass transition temperature Tg made from the embodiment is 320.1 DEG C, tensile strength TS
For 118.7MPa, saturation magnetic moment is 1.85 × 10-3Emu, remanent magnetism are 1.01 × 10-5Emu, coercivity 2.42.
Embodiment 2
As shown in Figures 1 and 2, a kind of high brightness flexible LED lamp with electro-magnetic screen function, including core wire 1 and lamp
Band body 2 is longitudinally opened up in the core wire 1 there are one through-hole 3, sizing strip 4 is equipped in the through-hole 3, around the sizing strip 4
Multiple light bar ontologies 2 are connected, the sizing strip 4 and the light bar ontology 2 are set along the length direction of the through-hole 3,
The light bar ontology 2 includes flexible PCB 21, and the flexible PCB 21 is arc panel, and the concave surface of the arc panel is equipped with
LED lamp bead 22；
The sizing strip 4 includes support ontology 41, and the center of the support ontology 41 is longitudinally equipped with a shaped metal item
42, the support ontology 41 is square, and the inner wall of the side of the square respectively with the core wire 1 connect, the support
The side of body 41 is cambered surface, and towards the shaped metal item 42, the light bar ontology 2 is four on the convex surface of four cambered surfaces
A, face is set two-by-two, and the convex surface of four arc panels is fixedly connected respectively with the nearest cambered surface；The support ontology 41
Multiple heat sinks 5 are equipped between the flexible PCB 21, the heat sink 5 is corresponded with the LED lamp bead 22, described
Supporting the side of ontology 41, it is transparent PVC to state core wire 1 and support ontology 41, and the heat sink 5 is metal covered with reflective layer 6
Aluminium flake.
The base material of the flexible PCB 21 is by polyamic acid grafted amino group MODIFIED Fe3O4Nano particle is prepared；It is described
Polyamic acid is 1 by molar ratio：1.2 aromatic tetrahydric dianhydride and diamine compound polycondensation form；
Wherein aromatic tetrahydric dianhydride is
Wherein diamine compound is
The Fe3O4Nano particle is obtained using following methods：By FeCl3And FeSO4Dissolving is mixed in deionized water
Solution is closed, the ammonium hydroxide that mass fraction is 30%wt. is then added in mixed solution, in N2Under protection, reaction temperature is 40 DEG C,
It reacts while stirring, reaction time 1.5h, after the completion of reaction, isolates sediment, it is finally that sediment deionized water is more
After secondary cleaning, the Fe is obtained3O4Nano particle；The Fe that will be obtained3O4Nano particle is dispersed to mass fraction as 35-55%wt.
Ethanol solution in, then sequentially add volume ratio while stirring as 1:1 tetraethyl orthosilicate and gamma-aminopropyl-triethoxy silicon
Alkane, controlling reaction temperature are 45 DEG C, and after completion of the reaction, sediment is separated by reaction time 15h, then by sediment
After being cleaned multiple times with absolute ethyl alcohol, it is dried to obtain the amino modified Fe3O4Nano particle.
Test result shows：LED light glass transition temperature Tg made from the embodiment is 318.3 DEG C, tensile strength TS
For 121.3MPa, saturation magnetic moment is 2.08 × 10-3Emu, remanent magnetism are 1.103 × 10-5Emu, coercivity 1.19.
Embodiment 3
As shown in Figures 1 and 2, a kind of high brightness flexible LED lamp with electro-magnetic screen function, including core wire 1 and lamp
Band body 2 is longitudinally opened up in the core wire 1 there are one through-hole 3, sizing strip 4 is equipped in the through-hole 3, around the sizing strip 4
Multiple light bar ontologies 2 are connected, the sizing strip 4 and the light bar ontology 2 are set along the length direction of the through-hole 3,
The light bar ontology 2 includes flexible PCB 21, and the flexible PCB 21 is arc panel, and the concave surface of the arc panel is equipped with
LED lamp bead 22；
The sizing strip 4 includes support ontology 41, and the center of the support ontology 41 is longitudinally equipped with a shaped metal item
42, the support ontology 41 is square, and the inner wall of the side of the square respectively with the core wire 1 connect, the support
The side of body 41 is cambered surface, and towards the shaped metal item 42, the light bar ontology 2 is four on the convex surface of four cambered surfaces
A, face is set two-by-two, and the convex surface of four arc panels is fixedly connected respectively with the nearest cambered surface；The support ontology 41
Multiple heat sinks 5 are equipped between the flexible PCB 21, the heat sink 5 is corresponded with the LED lamp bead 22, described
Supporting the side of ontology 41, it is transparent PVC to state core wire 1 and support ontology 41, and the heat sink 5 is metal covered with reflective layer 6
Aluminium flake.
The base material of the flexible PCB 21 is by polyamic acid grafted amino group MODIFIED Fe3O4Nano particle is prepared；It is described
Polyamic acid is 1 by molar ratio：1.02 aromatic tetrahydric dianhydride and diamine compound polycondensation form；
Wherein aromatic tetrahydric dianhydride is
Wherein diamine compound is
The Fe3O4Nano particle is obtained using following methods：By FeCl3And FeSO4Dissolving is mixed in deionized water
Solution is closed, the ammonium hydroxide that mass fraction is 28%wt. is then added in mixed solution, in N2Under protection, reaction temperature is 35 DEG C,
It reacts while stirring, reaction time 1h, after the completion of reaction, isolates sediment, it is finally that sediment deionized water is multiple
After cleaning, the Fe is obtained3O4Nano particle；The Fe that will be obtained3O4It is 35-55%wt.'s that nano particle, which is dispersed to mass fraction,
In ethanol solution, it is 1 then to sequentially add volume ratio while stirring:1 tetraethyl orthosilicate and gamma-aminopropyl-triethoxy silicon
Alkane, controlling reaction temperature are 40 DEG C, and after completion of the reaction, sediment is separated by reaction time 10h, then by sediment
After being cleaned multiple times with absolute ethyl alcohol, it is dried to obtain the amino modified Fe3O4Nano particle.
Test result shows：LED light glass transition temperature Tg made from the embodiment is 321.5 DEG C, tensile strength TS
For 126.5MPa, saturation magnetic moment is 1.98 × 10-3Emu, remanent magnetism are 1.026 × 10-5Emu, coercivity 1.48.
Finally it is to be appreciated that foregoing description is merely a preferred embodiment of the present invention, those skilled in the art is in the present invention
Enlightenment under, under the premise of without prejudice to present inventive concept and claim, expression, such change as multiple types can be made
It changes and each falls within protection scope of the present invention.
Claims (10)
1. a kind of high brightness flexible LED lamp with electro-magnetic screen function, it is characterised in that：Including core wire (1) and light bar ontology
(2), it is longitudinally opened up in the core wire (1) there are one through-hole (3), sizing strip (4) is equipped in the through-hole (3), around described fixed
Profile bar (4) connects multiple light bar ontologies (2), and the sizing strip (4) and the light bar ontology (2) are along the through-hole (3)
Length direction setting, the light bar ontology (2) includes flexible PCB (21), and the flexible PCB (21) is equipped at least
Two LED lamp beads (22)；
The base material of the flexible PCB (21) is prepared by polyamic acid grafted metal magnetic nanoparticle；
The polyamic acid is 1 by molar ratio：The aromatic tetrahydric dianhydride of (0.9~1.2) and diamine compound polycondensation form；
Wherein aromatic tetrahydric dianhydride is
Wherein diamine compound isWherein R3 is
2. the high brightness flexible LED lamp according to claim 1 with electro-magnetic screen function, it is characterised in that：It is described poly-
Amic acid is 1 by molar ratio：1.02 pyromellitic acid anhydride and diamine compound polycondensation form.
3. the high brightness flexible LED lamp according to claim 1 or 2 with electro-magnetic screen function, it is characterised in that：It is described
Metal magnetic nano particle is amino modified Fe3O4Nano particle.
4. the high brightness flexible LED lamp according to claim 3 with electro-magnetic screen function, it is characterised in that the Fe3O4
Nano particle is obtained using following methods：By FeCl3And FeSO4Dissolving obtains mixed solution in deionized water, is then mixing
Precipitating reagent is added in solution, in N2Under protection, reaction temperature is 20-40 DEG C, reacts 0.5-1.5h while stirring, and reaction is completed
Afterwards, sediment is isolated, after finally sediment is cleaned multiple times with deionized water, obtains the Fe3O4Nano particle；It will obtain
Fe3O4Nano particle is dispersed in the ethanol solution that mass fraction is 35-55%wt., then sequentially adds silicic acid while stirring
Tetra-ethyl ester and gamma-aminopropyl-triethoxy-silane, reaction temperature are 35-45 DEG C, reaction time 6-15h, after completion of the reaction, will
Sediment is separated, and after then sediment is cleaned multiple times with absolute ethyl alcohol, is dried to obtain the amino modified Fe3O4Nanometer
Particle.
5. the high brightness flexible LED lamp according to claim 4 with electro-magnetic screen function, it is characterised in that：It is described heavy
Shallow lake agent is the ammonium hydroxide that mass fraction is 25%~30%wt.；The tetraethyl orthosilicate and the gamma-aminopropyl-triethoxy-silane
Volume ratio be 1:1.
6. the high brightness flexible LED lamp with electro-magnetic screen function according to claim 1,2,4 or 5, it is characterised in that：
The sizing strip (4) includes support ontology (41), and the center of the support ontology (41) is longitudinally equipped with a shaped metal item
(42), the support ontology (41) is square, and the inner wall of the side of the square respectively with the core wire (1) is connect, described
Light bar ontology (2) is four, and face is arranged on the support ontology (41) two-by-two.
7. the high brightness flexible LED lamp according to claim 6 with electro-magnetic screen function, it is characterised in that：The branch
The side for supportting ontology (41) is cambered surface, and the convex surface of four cambered surfaces is towards the shaped metal item (42), the flexible electrical
Road plate (21) is arc panel, and the convex surface of four arc panels is fixedly connected respectively with the nearest cambered surface, the arc panel
Concave surface is equipped with LED lamp bead (22).
8. the high brightness flexible LED lamp according to claim 7 with electro-magnetic screen function, it is characterised in that：The branch
It supports and multiple heat sinks (5) is equipped between ontology (41) and the flexible PCB (21), the heat sink (5) and the LED light
Pearl (22) corresponds.
9. the high brightness flexible LED lamp according to claim 7 or 8 with electro-magnetic screen function, it is characterised in that：It is described
The side of ontology (41) is supported covered with reflective layer (6).
10. the high brightness flexible LED lamp according to claim 9 with electro-magnetic screen function, it is characterised in that：The core
Line (1) and support ontology (41) are transparent PVC, and the heat sink (5) is metal aluminium flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451902.7A CN108194853A (en) | 2017-12-28 | 2017-12-28 | High brightness flexible LED lamp with electro-magnetic screen function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451902.7A CN108194853A (en) | 2017-12-28 | 2017-12-28 | High brightness flexible LED lamp with electro-magnetic screen function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194853A true CN108194853A (en) | 2018-06-22 |
Family
ID=62584784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711451902.7A Withdrawn CN108194853A (en) | 2017-12-28 | 2017-12-28 | High brightness flexible LED lamp with electro-magnetic screen function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194853A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043830A (en) * | 2019-04-11 | 2019-07-23 | 广东美的厨房电器制造有限公司 | Lighting device and micro-wave oven |
| EP3830904A4 (en) * | 2018-08-03 | 2022-06-01 | Walker, Myron | Flexible, interruptible radial bus and bus-mounted bead device |
-
2017
- 2017-12-28 CN CN201711451902.7A patent/CN108194853A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3830904A4 (en) * | 2018-08-03 | 2022-06-01 | Walker, Myron | Flexible, interruptible radial bus and bus-mounted bead device |
| CN110043830A (en) * | 2019-04-11 | 2019-07-23 | 广东美的厨房电器制造有限公司 | Lighting device and micro-wave oven |
| CN110043830B (en) * | 2019-04-11 | 2021-07-27 | 广东美的厨房电器制造有限公司 | Lighting device and microwave oven |
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Application publication date: 20180622 |