CN204512985U - A kind of 360 degree of LED bulb - Google Patents
A kind of 360 degree of LED bulb Download PDFInfo
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- CN204512985U CN204512985U CN201420857052.6U CN201420857052U CN204512985U CN 204512985 U CN204512985 U CN 204512985U CN 201420857052 U CN201420857052 U CN 201420857052U CN 204512985 U CN204512985 U CN 204512985U
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Abstract
The utility model relates to a kind of 360 degree of LED bulb (100), comprise lampshade (101), lamp holder (102), fixed head (103) and LED silk (200), wherein, described lampshade (101) is transparent shell, described LED silk (200) is fixed on described fixed head (103) and goes up and be arranged on together with described fixed head (103) in described lampshade (101), the lower surface of described lampshade (101) is connected with described lamp holder (102), multiple LED silk (200) forms 360 degree of LED light sources at the geometric center areas combine of described lampshade (101), the figurate light source substrate of tool (202) that described LED silk (200) comprises illuminator (201) and formed through shearing or cutting by metal substrate (210), described illuminator (201) comprises the multiple LED chip (203) be arranged on described light source substrate (202) and the fluorescent colloid (204) being arranged on described multiple LED chip (203) surface.The utility model structure, easy for installation, good heat dissipation, can realize the large beam angle of 360 degree.
Description
Technical field
The utility model relates to field of LED illumination, particularly relates to a kind of 360 degree of LED bulb.
Background technology
As everyone knows, the epoch-making significance brought to the mankind of Edison invented incandescent lamp.Traditional incandescent lighting has inveteracy status to the mankind, but since entering new 21 century, due to the appearance of environmental protection more, energy-conservation LED light source new technology, has made people have to gradually abandon using conventional incandescent tengsten lamp.But the LED bulb on existing market is solid-state illumination one side luminous characteristics because of it, the overwhelming majority is luminous lower than 180 low-angles.At present, although there are some LEDbulb lamp can accomplish wide-angle Light distribation, the optical elements such as a large amount of reflectors, lens are employed, the diffusing globe cell-shell that device is larger.But be make LED light imitate to reduce by this kind of mode one, two is make LED bulb need to greatly reduce heat-dissipating space when maintaining and substituting form, thus when making LED work, temperature remains high, and LED power cannot be done greatly.Meanwhile, existing large-angle LED bulb lamp all needs to use diffusion shell to carry out astigmatism, and illuminating effect and traditional incandescent lamp also have larger gap.
Therefore, LED can not replace conventional incandescent completely.Its wide-angle of traditional incandescent lamp is luminous, the feature of three-dimensional illumination and the promotion of prevailing custom of missing old times or old friends, and it is potential huge market still.Now also there is the LED pompon bubble technology of similar imitative conventional incandescent both at home and abroad successively.Such as adopt transparent glass or pottery as the bearing substrate of LED chip, then carry out light-source encapsulation, then continue to use the equipment and process of conventional incandescent to carry out.Although this kind of its process stabilizing of scheme is reliable, the heat radiation of LED light source but can not get good solution.This is because have employed thermal conductivity factor is not that very high glass ceramic baseplate is as conductor, even if be filled with inert gas at bulb, strengthen convection current, extend the life-span, but LED light source still can not get good heat radiation, thus have a strong impact on the service life of LED bulb.Further, the encapsulation of this kind of scheme, assemble its technique also more complicated, production cost is higher.
Chinese patent CN 103712106A is separately had to disclose the all-round smooth LED bulb of a kind of wide-angle.This invention utilizes the gas of low viscosity, high thermal conductivity to fill to dispel the heat, simultaneously by utilizing the LED strip shape filament light sources of comprehensive bright dipping, and reasonably optimize its spatial arrangement in the bulb, thus obtain all-round optical illumination and desirable LED bulb of dispelling the heat.Although this invention can obtain larger beam angle but its structure is still comparatively complicated, wherein, the fixing needs of bar shaped filament relies on the stem stem being arranged on bulb.And stem stem is generally ceramic material, easily crisp, easily increase the scrappage of product; And due to its fragility, stem stem installs also very inconvenient.Meanwhile, bar-shaped LED omnidirectional filament and the conduction of extraneous power supply are connected needs first, second connect wire, and this adds the quantity of bulb solder joint undoubtedly, makes assembling product complex procedures, is unfavorable for the quick assembling realizing product.In addition; this invention is by filling the mist of hydrogen and helium as heat radiation protection gas; although the heaviness of eliminating and the radiator be in the light again; but the heat transference efficiency of gas is fast not as good as the efficiency of conducting heat between solid all the time; therefore; dispel the heat with the mist of hydrogen and helium, its radiating efficiency is unsatisfactory.
Utility model content
For the deficiency of prior art, the utility model provides a kind of 360 degree of LED bulb, comprise lampshade, lamp holder, fixed head and LED silk, wherein, described lampshade is transparent shell, described LED silk to be fixed on described fixed head and to be arranged on together with described fixed head in described lampshade, and the lower surface of described lampshade is connected with described lamp holder
Multiple described LED silk forms 360 degree of LED light sources at the geometric center areas combine of described lampshade, the figurate light source substrate of tool that described LED silk comprises illuminator and formed through shearing or cutting by metal substrate, described illuminator comprises the multiple LED chip be arranged on described light source substrate and the fluorescent colloid being arranged on described multiple LED chip surface.
According to a preferred embodiment, described light source substrate is provided with the line of rabbet joint, and described light source substrate is bent to form described LED silk along the described line of rabbet joint.
According to a preferred embodiment, described light source substrate one end is the light source portion being provided with LED chip, and the other end is the fixed part being provided with bayonet socket.
According to a preferred embodiment, described fluorescent colloid covers multiple described LED chip surface in the mode of a glue or injection mo(u)lding simultaneously and is not provided with on the surface of LED chip in described light source portion, and described fluorescent colloid is continuous print has the cylindricality of curved surfaces, hemispherical or semiellipse spherical structure.
According to a preferred embodiment, described fluorescent colloid also comprises the second fluorescent colloid between described LED chip and described fluorescent colloid, described second fluorescent colloid independently put be coated in each described LED chip surface on and form guarantor's type colloid.According to a preferred embodiment, the refractive index of described second fluorescent colloid is not less than 1.5.
According to a preferred embodiment, described light source substrate is not arranged the region of described LED chip is furnished with circuit and electrode.
According to a preferred embodiment, described fixed part and described fixed head are connected together, described fixed head is provided with the draw-in groove and solder joint that match each other with described bayonet socket, and described fixed head internal placement has drive circuit, the geomery of described draw-in groove and the fixed part of described light source substrate match.
According to a preferred embodiment, described LED chip is arranged in described light source portion uniformly.
According to a preferred embodiment, the shape of described light source portion is geometry, the simulation figure of the geometry of plane, simulation figure or hollow out.
According to a preferred embodiment, described fluorescent colloid comprises packaging plastic, fluorescent material and the first thixotropic agent, and described second fluorescent colloid comprises packaging plastic, fluorescent material, high-index material, the second thixotropic agent and brightener.
360 degree of LED bulb of the present utility model have following Advantageous Effects:
(1) can realize 360 degree of full angles luminous, filament shape freely can design collocation, and very flexibly, can realize the three-dimensional illumination luminous environment close to conventional incandescent, distribution curve flux also can freely design.
(2) because material and radiator structure and common LED bulb are more or less the same, be all the metal substrate heat transfer adopting mature and reliable, its radiating effect is close to the LED bulb of original technology, so its technology comparatively mature and reliable.
(3) by unique some plastic structure, according to light source luminescent principle, its light-out effect is better, can realize higher performance indications, as whole light effect 80Lm/W can be realized, and two 80 indexs of aobvious finger more than 80.
(4) the utility model structure is simple, and preparation section is simple.Without the need to putting glue one by one to each chip on substrate, disposable some rubber seal can fill or by model, the fluorescent powder prepared is set directly on substrate, convenient and swift.
(5) the utility model uniform in light emission, light efficiency are high.
Accompanying drawing explanation
Fig. 1 is the structural representation of 360 degree of LED bulb under the utility model preferred embodiment;
Fig. 2 is the structural representation of the LED silk under the utility model preferred embodiment;
Fig. 3 is the structural representation of the light source substrate under the utility model preferred embodiment;
Fig. 4 is the structural representation of the metal substrate that the cut or shearing under the utility model preferred embodiment is shaped;
Fig. 5 is the structural representation of the fixed head under the utility model preferred embodiment;
Fig. 6 is the structural representation of 360 degree of LED bulb under another preferred embodiment of the utility model;
Fig. 7 is the structural representation of the LED silk under another preferred embodiment of the utility model;
Fig. 8 is the structural representation of the light source substrate under another preferred embodiment of the utility model;
Fig. 9 is the structural representation of the metal substrate that the cut or shearing under another preferred embodiment of the utility model is shaped; With
Figure 10 is the structural representation of the fixed head under another preferred embodiment of the utility model.
Reference numerals list
100:360 degree LED bulb 101: lampshade 102: lamp holder
103: fixed head 104: solder joint 105: draw-in groove
200:LED filament 201: illuminator 202: light source substrate
203:LED chip 204: fluorescent colloid 205: the second fluorescent colloid
206: light source portion 207: electrode 208: bayonet socket
209: fixed part 210: metal substrate 211: the line of rabbet joint
Detailed description of the invention
Be described in detail below in conjunction with accompanying drawing.
360 degree of bulbs 100 as shown in Figure 1, are made up of candle lampshade 101, lamp holder 102, LED silk 200 and fixed head 103.LED silk 200 comprises illuminator 201 and light source substrate 202.The material of light source substrate 202 is the metal substrate of reflective, the high heat conduction of surface treated height, as copper base or aluminium base.Preferred embodiment as shown in Figure 4, metal substrate is formed with according to predetermined shape and size machining metal substrate 210 that some light source substrates 202 are connected to each other and on light source substrate 202 the processing sets up line of rabbet joint 211, the line of rabbet joint 211 is arranged on the line of symmetry of two symmetrical light source substrates 202.The preferred embodiment gone out as shown in Figure 3, one end of light source substrate 202 is circular light source portion 206, and the other end is the fixed part 209 being provided with bayonet socket 208.In the light source portion 206 of light source substrate 202, evenly distributed multiple LED chip 203, is placed with circuit and electrode 207 in the position of LED chip 203 of not arranging.LED chip 203 serial or parallel connection together and arrangement is the shape of a sub-circular, to make bright dipping evenly, come because LED chip is uniformly distributed simultaneously, avoid light source substrate local temperature too high, make its radiating effect better.
As shown in Figure 2, LED chip 203 is coated with fluorescent colloid 204 simultaneously.Fluorescent colloid 204 selects high thixotropic fluorescent colloid, to make fluorescent colloid 204 according to the shape of light source portion 206 at the automatic colloform texture forming certain radian in its surface.Fluorescent colloid 204 is containing packaging plastic, fluorescent material and the first thixotropic agent.Wherein, the weight ratio of packaging plastic and fluorescent material is 1:2.5 ~ 1:10.The percentage by weight that first thixotropic agent accounts for fluorescent colloid is 1% ~ 4.5%.First thixotropic agent is mixed according to the ratio that weight ratio is 1.5:1 by aerosil and borosilicate tackifier.Fluorescent colloid 204 covers multiple LED chip 203 surface simultaneously in the mode of a glue or injection mo(u)lding and is not provided with on the surface of LED chip in light source forming portion 206.Fluorescent colloid 204 has hemispherical or the semiellipse spherical structure of curved surfaces in continuous print.Fluorescent colloid 204 can be filling in light source portion 206 by precise quantitative positive displacement point gum machine equipment, and without the need to putting glue one by one to each chip on substrate, can disposable some rubber seal dress.Or the fluorescent powder 204 prepared is set directly on substrate by pre-determined model by fluorescent colloid 204.The preparation of two kinds of fluorescent colloids is all fast very convenient.
If light source portion 206 is polygon, then fluorescent colloid 204 forms the polygon with curved surfaces.If light source portion 206 is the figure that petal shape, butterfly-like shape, Leaves'Shape, dragonfly shape, flame profile, crescent shape etc. emulate shape or engineer naturally, then illuminator 201 forms the petal shape, butterfly-like shape, Leaves'Shape, dragonfly shape, flame profile, crescent shape etc. with curved surfaces and naturally emulates the symmetry of the create an aesthetic feeling of shape or engineer or asymmetric figure.LED silk 200 shape of the present utility model freely can design collocation, and very flexibly, can realize the three-dimensional illumination luminous environment close to conventional incandescent, distribution curve flux also can freely design.
After the good fluorescent colloid 204 of LED chip 203 surface coverage, two symmetrical light source substrates are bent to form 360 degree of LED light sources along the symmetrical shape of the line of rabbet joint 211.As shown in Figure 2, the not light-emitting area of two light source substrates fits together each other, its light source portion formed one symmetrical spherical, its fixed part forms an in-line shape.
360 degree of LED light sources are fixed with fixed head 103 and are connected.In the mounted state, 360 degree of LED light sources of the almost spherical having LED silk 200 to be formed are positioned at the geometric center region of fixed head.Fixed head 103 is PCB, be provided with the yi word pattern draw-in groove and elastic contact chip that match with the bayonet shape of the LED silk of 360 degree, and fixed head 103 is provided with solder joint 104 and drive circuit.360 degree of LED light sources insert draw-in groove and are fixed by elastic contact chip.After electrode 207 is welded with the drive circuit of fixed head 103, to the solder joint branch elargol in LED chip and electrode to protect circuit and guarantor's type.The 360 degree of LED light sources be welded and fixed and fixed head 103 are encapsulated to be fixed on lamp holder 102, and then cover candle lampshade 101 of waxing, candle lampshade 101 is transparent shell.360 degree of LED light sources are positioned at the geometric center region of candle lampshade 101.Sealing candle fixing shape lampshade 101 and lamp holder 102, just define 360 degree of LED bulb.
According to a preferred embodiment, as shown in Figure 2, in independent LED chip 203, point scribbles the second fluorescent colloid 205 that refractive index is not less than 1.5.Second fluorescent colloid 205 is containing packaging plastic, fluorescent material, the second thixotropic agent, high refractive index material and brightener.Wherein, the weight ratio of packaging plastic and fluorescent material is 1:2.5 ~ 1:10, and the percentage by weight that the second thixotropic agent accounts for the second fluorescent colloid is 1% ~ 4.5%, and the percentage by weight that brightener accounts for the second colloid is 0.5% ~ 2.5%.Second thixotropic agent is mixed according to the ratio that weight ratio is 1:1 by aerosil and silicon boron tackifier, and high-index material is rare earth compound, as the inorganic compounds such as ZnO, Al2O3, ball shape high molecular nanometer organosilicon micro mist and composition thereof.Second fluorescent colloid 205 to be coated between LED chip and high thixotropic fluorescent colloid 204 by precise quantitative positive displacement point gum machine equipment point and in each LED chip, to form independent semiglobe to form guarantor's type colloid.
According to a preferred embodiment, light source portion 206 can also be processed into the figure of hollow out.A preferred embodiment as shown in Figure 9, the metal substrate of reflective, the high heat conduction of surface treated height is sheared or cuts the metal substrate 210 formed containing multiple heart-shaped light source substrate 202 be connected to each other.The light source portion 206 of heart-shaped light source substrate 202 is heart-shaped in hollow out.The central axis place of each heart-shaped light source substrate 202 is provided with the line of rabbet joint 211.A preferred embodiment as shown in Figure 8, in the light source portion 206 being arranged in heart of the shape series connection that edge is heart-shaped equably of multiple LED chip 203 and/or parallel connection, thus make uniform light, avoid light source substrate local temperature too high, make its radiating effect better.Utilize mould or use injection molding apparatus that phosphor gel 204 is covered multiple LED chip 203 surface uniformly and light source portion 206 is not provided with on the surface of LED chip, thus in light source portion 206, define the continuous print heart semicolumn illuminator 201 with curved surfaces.Heart-shaped light source substrate 202, heart-shaped semicolumn illuminator 201 constitute heart-shaped LED silk.After the heart-shaped LED silk of formation, by machining equipment by heart-shaped light source substrate 202 along predetermined line of rabbet joint shape with by predetermined angle folding, as utilized punch press, heart-shaped light source substrate 202 is deformed into heart-shaped LED silk along the line of rabbet joint 211 by the angle folding of 120 degree.A preferred embodiment as shown in Figure 7, the not light-emitting area of three identical heart-shaped LED silks 200 fits together between two, and the central axis of three heart-shaped LED silks is combined and is combined into 360 degree of LED light sources.The fixed part of heart-shaped 360 degree of LED light sources is combined as Y shape, and as shown in Figure 10, the fixed part of heart-shaped 360 degree of LED light sources is fixed on by bayonet socket 208 and elastic contact chip to be had on the PCB fixed head 103 of Y shape draw-in groove.According to the shape of 360 degree of LED light sources, select circular bulb lamp cover to combine with heart-shaped 360 degree of LED light sources, fixed head and lamp holders, form 360 degree of LED bulb.
According to a preferred embodiment, light source portion 206 can be designed to the symmetry such as petal shape, butterfly-like shape, dragonfly shape of hollow out or the asymmetric hollow out figure naturally emulating the create an aesthetic feeling of shape or engineer, also can be designed to the polygon of annulus, elliptical ring or hollow out, also can be designed to significant figure or character and graphic.Illuminator 201 forms the continuous semicolumn figure consistent with light source portion 206 shape on light source portion 206 surface.360 degree of LED bulb light are soft bright, do not stimulate the eyes of people.360 degree of LED bulb with beautiful figure can meet the physiology of people and the demand of psychology, decorated living environment, make the work of people and live more joyful while providing soft illumination.
According to a preferred embodiment, the number being combined as the LED silk 200 of 360 degree of LED light sources can be four, five, six even more.The shape of the line of rabbet joint is according to the profile design of light source substrate 202.Light source substrate 202 can be 90 degree, 72 degree, 60 degree even less along the angle that the line of rabbet joint bends.Draw-in groove shape on fixed head 103 is the shape of mating shapes of square shape, cross, * shape, ☆ shape or other and fixed part.
According to a preferred embodiment, the line of rabbet joint 211 be arranged on substrate can be one side V groove, U-lag or circular trough.
According to a preferred embodiment, the shape of lampshade can be globe holder, draw rear light cover or cast lampshade.
It should be noted that; above-mentioned specific embodiment is exemplary; those skilled in the art can find out various solution under the inspiration of the utility model disclosure, and these solutions also all belong to open scope of the present utility model and fall within protection domain of the present utility model.It will be understood by those skilled in the art that the utility model description and accompanying drawing thereof are illustrative and not form limitations on claims.Protection domain of the present utility model is by claim and equivalents thereof.
Claims (9)
1. one kind 360 degree LED bulb (100), comprise lampshade (101), lamp holder (102), fixed head (103) and LED silk (200), it is characterized in that, described lampshade (101) is transparent shell, described LED silk (200) is fixed on described fixed head (103) and goes up and be arranged on together with described fixed head (103) in described lampshade (101), the lower surface of described lampshade (101) is connected with described lamp holder (102)
Multiple described LED silk (200) forms 360 degree of LED light sources at the geometric center areas combine of described lampshade (101), the figurate light source substrate of tool (202) that described LED silk (200) comprises illuminator (201) and formed through shearing or cutting by metal substrate (210), described illuminator (201) comprises the multiple LED chip (203) be arranged on described light source substrate (202) and the fluorescent colloid (204) being arranged on described multiple LED chip (203) surface.
2. 360 degree of LED bulb (100) as claimed in claim 1, it is characterized in that, described light source substrate (202) is provided with the line of rabbet joint (211), and described light source substrate (202) is bent to form described LED silk (200) along the described line of rabbet joint (211).
3. 360 degree of LED bulb (100) as claimed in claim 2, it is characterized in that, described light source substrate (202) one end is for being provided with the light source portion (206) of LED chip (203), and the other end is for being provided with the fixed part (209) of bayonet socket (208).
4. 360 degree of LED bulb (100) as claimed in claim 3, it is characterized in that, described fluorescent colloid (204) covers multiple described LED chip (203) surface in the mode of a glue or injection mo(u)lding simultaneously and is not provided with on the surface of LED chip in described light source portion (206), and described fluorescent colloid (204) has the cylindricality of curved surfaces, hemispherical or semiellipse spherical structure in continuous print.
5. 360 degree of LED bulb (100) as claimed in claim 4, it is characterized in that, described fluorescent colloid also comprises the second fluorescent colloid (205) between described LED chip (203) and described fluorescent colloid (204), and the surface that described second fluorescent colloid (205) is coated in each described LED chip (203) independently forms guarantor's type colloid.
6. 360 degree of LED bulb (100) as described in claim 4 or 5, is characterized in that, described light source substrate (202) are not arranged the region of described LED chip is furnished with circuit and electrode (207).
7. 360 degree of LED bulb (100) as claimed in claim 3, it is characterized in that, described fixed part (209) and described fixed head (103) are connected together, described fixed head is provided with the draw-in groove (105) and solder joint (104) that match each other with described bayonet socket (208), and described fixed head internal placement has drive circuit, the geomery of described draw-in groove (104) and the fixed part (209) of described light source substrate (202) match.
8. 360 degree of LED bulb (100) as claimed in claim 6, it is characterized in that, described LED chip (203) is arranged in described light source portion (206) uniformly.
9. 360 degree of LED bulb (100) as claimed in claim 8, is characterized in that, the shape of described light source portion (206) is geometry, the simulation figure of the geometry of plane, simulation figure or hollow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857052.6U CN204512985U (en) | 2014-12-30 | 2014-12-30 | A kind of 360 degree of LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420857052.6U CN204512985U (en) | 2014-12-30 | 2014-12-30 | A kind of 360 degree of LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512985U true CN204512985U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420857052.6U Expired - Fee Related CN204512985U (en) | 2014-12-30 | 2014-12-30 | A kind of 360 degree of LED bulb |
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| Country | Link |
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| CN (1) | CN204512985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015985A (en) * | 2016-03-11 | 2016-10-12 | 浙江英特来光电科技有限公司 | LED bulb lamp capable of achieving all-angle light emitting |
-
2014
- 2014-12-30 CN CN201420857052.6U patent/CN204512985U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015985A (en) * | 2016-03-11 | 2016-10-12 | 浙江英特来光电科技有限公司 | LED bulb lamp capable of achieving all-angle light emitting |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20161230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |