CN104197225B - A kind of LED net with standard lamp head - Google Patents

A kind of LED net with standard lamp head Download PDF

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Publication number
CN104197225B
CN104197225B CN201410480154.5A CN201410480154A CN104197225B CN 104197225 B CN104197225 B CN 104197225B CN 201410480154 A CN201410480154 A CN 201410480154A CN 104197225 B CN104197225 B CN 104197225B
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China
Prior art keywords
led
radiator
net
grid
standard
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CN201410480154.5A
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CN104197225A (en
Inventor
靳斌
靳丰泽
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Xihua University
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Xihua University
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Priority to CN201410480154.5A priority Critical patent/CN104197225B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes

Abstract

There is the LED net of standard lamp head to include for this:More high-power LED lamp beads, it is SMT encapsulation;Radiator-grid, to the fixation Led lamp beads, and as the radiator of Led lamp beads, by heat conduction filament high density braided into the heat-conducting seat of the Led lamp beads is welded on the radiator-grid;Standard lamp head, meets the existing universal standard, and civil power is obtained to be installed in standard electrical light socket;Lamp holder connector, made by insulating materials, to connect the standard lamp head and the radiator-grid;Led driving powers, it is placed in the standard lamp head, the L of input and standard lamp head, N electrode are connected, and output end is connected with the Led lamp beads;Dead ring, the radiator-grid is fastened together with the lamp holder connector;Conducting strip, it is made of flexible circuit film (FPC), for connecting the Led lamp beads.Present invention omits the parts such as aluminium base, aluminium radiator, have good heat dissipation effect, and cost is low, the advantages of being easily installed.

Description

A kind of LED net with standard lamp head
Technical field
The present invention relates to a kind of Led light fixtures and Led light fixture heat dissipation technologys, more particularly to a kind of with standard lamp head Led flexible surface light source light fixture.
Background technology
Led lamps do not contain heavy metal because its photoelectric transformation efficiency is high, small volume, the advantages that saving material, it will substitute Incandescent lamp, fluorescent lamp, but Led lamp beads make Led light fixtures need to solve the problems, such as 3 it is obvious, the 1st is heat dissipation problem, Led lamps Core operating temperature just can guarantee that its life-span in 100,000 hours (light decay is less than 30%) below 65 degree;2nd is dazzling problem, because Led is spot light, and center brightness is very big, and people directly sees, can be very dazzling;3rd is the installation of Led lamps, because the encapsulation of high-power LED Mode is mostly paster (SMT) or tube core in plate (COB) mode, it is impossible to directly as incandescent lamp bulb, fluorescent tube are used, it is necessary to mark Quasi- lamp holder could connect with existing various lamp sockets.
There are Led bulb lamps, Led fluorescent tubes in the prior art, it has the lamp holder for meeting existing national standards, such as screw socket (E14, E27, E40), insert formula radian lamp holder (GU10), multiaspect reflection Lamp cup (MR16), parabolic reflector shape socket (PAR30, PAR36, PAR46, PAR56), tube lamp holder (T8, T5) etc., its radiator uses is connected on aluminium base by Led bead welds, and aluminium base is again It is screwed on aluminium radiator, heat conductive silica gel or heat-conducting silicone grease, this scheme radiating is applied between aluminium base and aluminium radiator Cost accounts for the 1/3 of whole lamp.ZL201320072001.8 is it is proposed that a kind of flexible Led lamps net, it is direct in the prior art The heat-conducting seat of the Led lamp beads of SMT encapsulation is directly welded on radiator-grid, its radiating effect adds aluminium radiator scheme than aluminium base More excellent, its cost greatly reduces, but the technology is because can not large-scale promotion without the lamp holder for meeting existing standard.
As can be seen here, existing Led bulb lamps, Led fluorescent tubes, it is clear that it is inconvenient and scarce in structure and in cost to still suffer from Fall into, and be urgently further improved.The design people based on be engaged in such product design manufacture practical experience abundant for many years and Professional knowledge, actively it is subject to research and innovation, to found a kind of Led bulb lamps of new structure and Led fluorescent tubes, i.e. one kind has The LED net of standard lamp head, general existing Led bulb lamps and Led fluorescent tubes can be improved, makes its radiating effect more preferable, the life-span Longer, cost is lower, and is easy to promote on a large scale.By constantly research, design, and through studying sample and improvement repeatedly Afterwards, the present invention having practical value is created finally.
The content of the invention
It is a primary object of the present invention to overcome aluminium radiator+aluminium base price of existing Led bulb lamps, Led fluorescent tubes Expensive and radiating effect is poor to obtain defect, overcomes ZL201320072001.8 not have the defects of standard lamp head, and provides a kind of new Led bulb lamps, the Led fluorescent tubes of structure, i.e., the LED net with standard lamp head.Technical problem to be solved is used SMT The method that the heat-conducting seat of the Led lamp beads of encapsulation is directly welded on the radiator-grid of high density braided solves the heat dissipation problem of Led lamps. Solve the problems, such as large-scale promotion using standard lamp head, the lamp holder connector upper end of insulation is fixed on standard lamp head, by insulation Radiator-grid is fixed in lamp holder connector lower end, and lamp holder connector plays a part of to isolate 220V civil powers in addition.Led driving powers are placed on In standard lamp head, L, N pole of the input termination standard lamp head of Led power supplys, the Led that the output ends of Led power supplys is connected in series in Lamp bead.Radiator-grid is clamped between the dead ring and lamp holder connector, is fastened with lamp head fastening device.
The object of the invention to solve the technical problems is realized using following technical scheme.Itd is proposed according to the present invention A kind of LED net with standard lamp head, it includes:More high-power LED lamp beads, it is SMT encapsulation;Radiator-grid, to solid Fixed Led lamp beads, and as the radiator of Led lamp beads, by heat conduction filament high density braided into the radiating of the Led lamp beads Seat is welded on the radiator-grid;Standard lamp head, meets the existing universal standard, and civil power is obtained to be installed in standard electrical light socket; Lamp holder connector, made by insulating materials, to connect the standard lamp head and the radiator-grid;Led driving powers, it is placed in institute State in standard lamp head, the L of input and standard lamp head, N electrode are connected, and output end is connected with the Led lamp beads;Dead ring, with The lamp holder connector fastens the radiator-grid together;Conducting strip, it is made of flexible circuit film (FPC), for connecting State Led lamp beads;
It is characterized in that wherein LED net is formed by welding procedure, concretely comprise the following steps:
A. the radiator-grid is pressed in centre with top board and lower platen, makes radiator-grid smooth, opened on the top board Hole, fluting, make the shape of Led circuits;
B. after above step, conducting strip, conducting strip length and width and the upper pressure are put into the fluting of the top board The length and width of the fluting of plate are identical;
C. after above step, the steel mesh with the Led Circuit Matchings, brush tin cream are coverd with;
D. after above step, steel mesh is removed, the Led lamp beads are put into the tapping of the top board;
E. after above step, the radiator-grid that placed conducting strip and the Led lamp bead is put into reflow ovens.
Further, the material of the radiator-grid is metal, its mesh is square or rhombus or hexagon, its weaving manner It is plain weave or tiltedly knits or satin weave, its net type are plain weave net or seat type net, its stratum reticulare mode are monolayer net or multiple-level stack net.
Further, the Led lamp beads are arranged on the front or back of the radiator-grid.
Further, the radiator-grid is cut into any plane geometric shape, or it is curved, roll over, be rolled into various solid geometry shapes.
Further, the anti-glare lampshade of internal or external installation of the lamp net.
Further, the lamp net can be operated in natural cooling environment or be operated in pressure cooler environment.
From above technical scheme, a kind of LED net with standard lamp head of the present invention is at least with following advantages:This The radiator-grid that the flexible Led lamps net of invention is woven with filament, have the coefficient of heat conduction it is big (such as red copper net 386.4W/m*K, Brass screen 108.9W/m*K, beryllium copper net 195W/m*K).Radiator-grid mesh very little is big (such as 1 square li with air contact area The surface area of the net of 100 mesh of rice is 2.3 square centimeters, and the surface area of the net of 1 square centimeter of 250 mesh is 3.1 squares lis Rice).Due to its porous characteristic, because its string diameter all very littles (0.2--0.03mm) NATURAL CONVECTION COEFFICIENT OF HEAT is than flat board present situation The NATURAL CONVECTION COEFFICIENT OF HEAT of material is several times greater -- and hundreds of times, radiator-grid have taken into account net heat conduction and net and air thermal convection current Dual-use function.If not using commercial standard copper mesh, but oneself select its radiating of string diameter, mesh size, mesh form, stratum reticulare Performance is expected to greatly improve.Light source is done using the Led lamp beads of SMT encapsulation, the heat dissipation base of Led lamp beads is directly welded on soldering Heat dissipation metal is online, and the thermal resistance convergence of this interface is 0, and the pattern than traditional aluminium base+aluminium radiator reduces aluminium base Intralamellar part glued membrane thermal resistance, reduce the heat-conducting glue thermal resistance between aluminium base and aluminium radiator, radiating effect is obviously improved, Er Qie great It is big to reduce cost.Due to using standard socket generally used now, the product that the present invention discloses can be inserted as common bulb, fluorescent tube Use.Reflective illumination is easily achieved by the way of the net loaded Led lamp beads that radiate, avoids Led dazzling phenomenon, and dissipate Heat supply network can also cause a large amount of light scattering in itself, reach be light homogeneous soft effect.Illuminated if necessary to large-scale high density, heating Measure excessive, air blast cooling mode can also be used, due to the porous feature of radiator-grid, its air cooling effect is better than conventional fins formula Aluminium radiator.
The reflow soldering process process that Led lamp beads are welded on to radiator-grid that the present invention discloses, can by this technical process With high-volume, high efficiency production, solves the consistency problem of product, while reduce production unit cost.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the Led lamp net vertical cross-section diagram schematic diagrames that one embodiment of the invention has standard socket.
Fig. 2 is the Led lamps net radiating net unfolding top view schematic diagram that one embodiment of the invention has standard socket.
Fig. 3 is the Led lamp net radiator-grid flattening method sectional view schematic diagrames that one embodiment of the invention has standard socket.
Fig. 4 is that one embodiment of the invention has the online pressing plate Led circuits fluting perforate top view diagram of the Led lamps of standard socket It is intended to.
Fig. 5 is that one embodiment of the invention has the online pressing plate Led circuits steel mesh top view signal of the Led lamps of standard socket Figure.
1st, Led lamp beads 2, radiator-grid 3, standard lamp head 4, lamp holder connector 5, Led driving powers 6, dead ring 7, Soldering-tin layer 9, top board 10, lower platen 11, steel mesh between conducting strip 8, Led lamp beads radiating seat and radiator-grid
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with Accompanying drawing and preferred embodiment, to according to the embodiment of the Led lamp nets proposed by the present invention with standard socket, structure, Feature and its effect, describe in detail as after.
If Fig. 2 is the radiating net unfolding top view of the Led lamps net with standard socket that presently preferred embodiments of the present invention proposes Schematic diagram, radiator-grid 2 is the red copper net (66 microns of string diameter, 106 microns of aperture) of 150 mesh, long 8.8 centimetres.It is high 6 centimetres, welding 4 1 watt of Led lamp bead 1 of SMT encapsulation, 2 centimetres of longitudinal pitch between Led lamp beads 1,4.4 centimetres of horizontal spacing, Led lamp beads 1 are with leading Electric piece 7 connects in a series arrangement.Radiator-grid is rolled into cylinder, it is directly 2.8 centimetres.
As Fig. 1 be presently preferred embodiments of the present invention propose the Led lamp net vertical cross-section diagram schematic diagrames with standard socket, Standard lamp head 3 (E27) is connected with the upper end of lamp holder connector 4, and Led driving powers 5 are placed in standard lamp head 3, Led driving powers 5 input connection is connected with the L of standard lamp head 3, N electrode, and output end is connected with Led lamp bead series circuits conducting strip 7, electric current For 350mA constant-current sources.Radiator-grid 2 is rolled into direct 2.8 centimetres of cylinder, is enclosed on the lower end of lamp holder connector 4,6 sets of dead ring In the outer layer of radiator-grid 2, dead ring 6 is locked with lamp head fastening device.
The technique that Led lamp beads 1 are welded to radiator-grid 2 is as follows:
A. radiator-grid 2 is pressed in centre with top board 9 (1 millimeter of aluminium sheet) and lower platen 10, flattened, such as Fig. 3, in top board Perforate, fluting on 9, make the shape of Led circuits, such as Fig. 4;
B. after above step, conducting strip 7 is put into the fluting of top board 9, conducting strip is to use flexible circuit film It is made, length is identical with the length of the fluting of the top board 9;
C. after above step, the steel mesh with Led Circuit Matchings, such as Fig. 5, brush tin cream are coverd with;
D. after above step, steel mesh is removed, Led lamp beads 1 are put into the tapping of top board 9;
E. after above step, the radiator-grid 2 that placed conducting strip 7 and Led lamp beads 1 is put into reflow ovens.
The combination solder joint of Led lamp beads 1 and radiator-grid 2 is such as the scolding tin between the Led lamp beads radiating seat and radiator-grid in Fig. 1 Layer 8.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention, appoint What those skilled in the art, without departing from the scope of the present invention, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being the content without departing from technical solution of the present invention, Any simple modification, equivalent change and modification that technical spirit according to the present invention is made to above example, still fall within this In the range of inventive technique scheme.

Claims (6)

1. a kind of LED net with standard lamp head, including:
More high-power LED lamp beads, it is SMT encapsulation;
Radiator-grid, to the fixation Led lamp beads, and as the radiator of Led lamp beads, by heat conduction filament high density braided into, The radiating seat of the Led lamp beads is welded on the radiator-grid;
Standard lamp head, meets the existing universal standard, and civil power is obtained to be installed in standard electrical light socket;
Lamp holder connector, made by insulating materials, to connect the standard lamp head and the radiator-grid;Led driving powers, put In in the standard lamp head, the L of input and standard lamp head, N electrode are connected, and output end is connected with the Led lamp beads;
Dead ring, the radiator-grid is fastened together with the lamp holder connector;
Conducting strip, it is made of flexible circuit film (FPC), for connecting the Led lamp beads;
It is characterized in that wherein LED net is formed by welding procedure, concretely comprise the following steps:
A. the radiator-grid is pressed in centre with top board and lower platen, makes radiator-grid smooth, on the top board perforate, open Groove, make the shape of Led circuits;
B. after above step, conducting strip, conducting strip length and width and the top board are put into the fluting of the top board The length and width of fluting are identical;
C. after above step, the steel mesh with the Led Circuit Matchings, brush tin cream are coverd with;
D. after above step, steel mesh is removed, the Led lamp beads are put into the tapping of the top board;
E. after above step, the radiator-grid that placed conducting strip and the Led lamp bead is put into reflow ovens.
2. the LED net according to claim 1 with standard lamp head, it is characterised in that the material of the radiator-grid is gold Category, its mesh is square or rhombus or hexagon, its weaving manner are plain weaves or tiltedly knitted or satin weave, its net type are plain weaves Net or seat type net, its stratum reticulare mode are monolayer net or multiple-level stack net.
3. the LED net according to claim 1 with standard lamp head, it is characterised in that the Led lamp beads are arranged on institute State the front or back of radiator-grid.
4. the LED net according to claim 1 with standard lamp head, it is characterised in that the radiator-grid is cut into any Plane geometric shape, or it is curved, roll over, be rolled into various solid geometry shapes.
5. the LED net according to claim 1 with standard lamp head, it is characterised in that the lamp net it is internal or external Anti-glare lampshade is installed.
6. the LED net according to claim 1 with standard lamp head, it is characterised in that the lamp net can be operated in nature Cooler environment is operated in pressure cooler environment.
CN201410480154.5A 2014-09-19 2014-09-19 A kind of LED net with standard lamp head Active CN104197225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410480154.5A CN104197225B (en) 2014-09-19 2014-09-19 A kind of LED net with standard lamp head

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410480154.5A CN104197225B (en) 2014-09-19 2014-09-19 A kind of LED net with standard lamp head
PCT/CN2015/000603 WO2016041299A1 (en) 2014-09-19 2015-08-24 Led lamp net having standard lamp head

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CN104197225A CN104197225A (en) 2014-12-10
CN104197225B true CN104197225B (en) 2018-01-16

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WO (1) WO2016041299A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197225B (en) * 2014-09-19 2018-01-16 西华大学 A kind of LED net with standard lamp head
CN106704885B (en) * 2015-07-13 2019-04-16 西华大学 A kind of improved flexibility Led lamp net
CN105263259B (en) * 2015-11-30 2019-03-01 靳丰泽 It is a kind of using net as the printed circuit board of substrate
CN106122824A (en) * 2016-07-15 2016-11-16 天禧光电科技有限公司 LED lamp bar SMT low temperature process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110222311A1 (en) * 2008-11-24 2011-09-15 Kinder Brian A Web Converting Methods for Forming Light Guides and the Light Guides Formed Therefrom
CN101827501B (en) * 2010-03-31 2012-01-04 伟创力电子科技(上海)有限公司 Through-hole backflow welding technology and relevant template and jig
CN102480839A (en) * 2010-11-24 2012-05-30 富葵精密组件(深圳)有限公司 Holding device
CN202812988U (en) * 2012-10-18 2013-03-20 宁波龙宇光电科技有限公司 Light-emitting diode (LED) illuminating lamp
CN103917056A (en) * 2012-12-31 2014-07-09 联想(北京)有限公司 Welding process and circuit board
CN103148383B (en) * 2013-02-08 2015-04-22 靳丰泽 Flexible Led lamp net and Led lamp coil
CN203500866U (en) * 2013-02-08 2014-03-26 靳丰泽 Flexible LED (light emitting diode) lamp net and flexible LED lamp coil
CN104197225B (en) * 2014-09-19 2018-01-16 西华大学 A kind of LED net with standard lamp head

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WO2016041299A1 (en) 2016-03-24
CN104197225A (en) 2014-12-10

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Effective date of registration: 20171129

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