CN103511869A - LED bulb - Google Patents

LED bulb Download PDF

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Publication number
CN103511869A
CN103511869A CN201210218809.2A CN201210218809A CN103511869A CN 103511869 A CN103511869 A CN 103511869A CN 201210218809 A CN201210218809 A CN 201210218809A CN 103511869 A CN103511869 A CN 103511869A
Authority
CN
China
Prior art keywords
light source
radiator
illuminator
led
bulb
Prior art date
Application number
CN201210218809.2A
Other languages
Chinese (zh)
Inventor
金德奎
Original Assignee
金德奎
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 金德奎 filed Critical 金德奎
Priority to CN201210218809.2A priority Critical patent/CN103511869A/en
Publication of CN103511869A publication Critical patent/CN103511869A/en

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Abstract

The invention relates to an LED bulb which comprises an LED light source and a radiator. The LED bulb further comprises an illuminator, wherein the illuminator is composed of the LED light source and a light source cover which makes contact with the external world directly and covers the LED light source, the illuminator is arranged on the radiator, and the radiator is provided with a radiating edge stretching out of the illuminator to dissipate heat. According to the LED bulb, due to the fact that the boundary dimension of the radiator is the maximum boundary dimension of the bulb, the illuminator is obviously smaller than the radiator, the radiator is made to be provided with the radiating edge stretching out of the illuminator, heat exchange is carried out directly between air and the radiator, good radiating effects are achieved, the visual effect is close to the traditional visual effect of an incandescent light bulb as a point light source, the bulb is attractive in integral shape and convenient to process and manufacture, cost is reduced, the problems that an existing LED bulb is small in range of illumination and single in shape are further solved, and obvious technological progress is achieved.

Description

A kind of LED bulb
Technical field
The present invention relates to a kind of lighting bulb, particularly relate to a kind of LED bulb.
Background technology
Existing LED bulb adopts the hemispherical lampshade close with incandescent lamp appearance and size conventionally, and range of exposures is in 180 °.Also the employing having surpasses hemispheric lampshade, and range of exposures can be 300 ° of left and right.Occupy bulb volume at least over half with bulb profile lampshade of a size, relatively reduced area of dissipation, make the LED bulb heating of relatively high power serious, the service life of having reduced bulb.In order to reduce heating, increase the service life, can only reduce design power.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of LED bulb, solve the little heating causing of existing LED bulb heat radiation area and range of exposures little and manufacture the problem that complicated cost is high.
According to a kind of LED bulb of above-mentioned purpose invention, comprise LED light source and radiator, it is characterized in that: also comprise illuminator, described illuminator is comprised of with the light source cover being covered in outside LED light source directly contacting with extraneous space LED light source, illuminator is arranged on described radiator, radiator have stretch out illuminator heat radiation limit for heat radiation.
Described illuminator near or in radiator middle part, radiator has and stretches out illuminator edge around for heat radiation.
Described illuminator near or in radiator edge, radiator have stretch out all the other positions of illuminator edge for heat radiation.
LED light source in described illuminator is the LED light source of white light or other color of light, and LED light source is by being covered in light source cover outside LED light source to external exposure.
LED light source in described illuminator is blue light or ultraviolet leds light source, be covered in light source cover inner surface outside LED light source and apply or inlay one deck fluorescent material or light source cover self contains fluorescent material, the coating that blue light or ultraviolet leds light source activation contain fluorescent material or mosaic coating or light source cover body send white light to external exposure.
Described radiator is aluminium or magnesium material and the alloy material thereof of metal material, and processing technology can be selected punching press, stretching, die casting and machining.
Described radiator is heat radiation plastics or the pottery of non-metallic material.
On described radiator, apply or electroplate reflecting coating or produce reflective surface.
Due to the appearance and size of the radiator of the present invention maximum appearance and size that is bulb, illuminator is significantly less than radiator, the heat radiation limit that can make radiator have to stretch out illuminator, air directly and radiator carry out heat exchange, both there is good radiating effect, approach again traditional vision that incandescent lamp has as spot light, bulb moulded attractive in appearance, be convenient to processing and manufacturing, reduce costs, also solve the problem that prior art LED bulb irradiation scope is little and moulding is single, there is significant technological progress.
Accompanying drawing explanation
Fig. 1 is the left cutaway view of first embodiment of the invention.
Fig. 2 is the front view of first embodiment of the invention.
Fig. 3 is the rearview of first embodiment of the invention.
Fig. 4 is the front view of second embodiment of the invention.
Fig. 5 is the left view of second embodiment of the invention.
Fig. 6 is the front view of third embodiment of the invention.
Fig. 7 is the left view of third embodiment of the invention.
Fig. 8 is the left cutaway view of fourth embodiment of the invention.
Fig. 9 is the left view of fourth embodiment of the invention.
Figure 10 is the left view of fifth embodiment of the invention.
Figure 11 is the rearview that fifth embodiment of the invention is pulled down half radiator.。
Figure 12 is the left cutaway view of sixth embodiment of the invention.
Figure 13 is the front view of sixth embodiment of the invention.
Figure 14 is the left cutaway view of seventh embodiment of the invention.
Figure 15 is the top view of eighth embodiment of the invention.
Figure 16 is the front view of eighth embodiment of the invention.
Figure 17 is the rearview of eighth embodiment of the invention.
Figure 18 is the left view of ninth embodiment of the invention.
Figure 19 is the front view of ninth embodiment of the invention.
Figure 20 is the top view of tenth embodiment of the invention.
Figure 21 is the front view of tenth embodiment of the invention.
Figure 22 is the front view of eleventh embodiment of the invention.
Figure 23 is the front view of twelveth embodiment of the invention.
Figure 24 is the top view of thriteenth embodiment of the invention.
Figure 25 is the front view of thriteenth embodiment of the invention.
Figure 26 is the front view of fourteenth embodiment of the invention.
Figure 27 is the top view of fourteenth embodiment of the invention.
The specific embodiment
Below in conjunction with drawings and embodiments, the present invention will be further described.
As shown in Figure 1 to Figure 3, a kind of LED bulb described in the invention, comprise LED light source 12 and radiator 20, also comprise illuminator 10, described illuminator 10 is comprised of with the light source cover 11 being covered in outside LED light source 12 directly contacting with extraneous space LED light source 12, illuminator 10 is arranged on radiator 20, radiator 20 have stretch out illuminator 10 heat radiation limit 20a for heat radiation.
The area occupying at radiator 20 due to illuminator 10 is significantly less than the radiator 20 as the maximum appearance and size of bulb, the heat radiation limit 20a that stretches out illuminator 10 has increased integral heat sink area greatly, and can directly contact with outside air, radiating effect is significantly improved.
On the light source cover 11 of illuminator 10, can offer button pawl 11b, offer button hole 20b on radiator 20, button pawl 11b puts in button hole 20b and illuminator 10 can be fixed on radiator 20.LED light source 12 in illuminator 10 can adopt screw fastening to be connected with radiator 20.
Radiator 20 can adopt two parallel constructions and leave interval, and lower end and lamp holder are fixed, and draws wire 40 be connected with the drive circuit at lamp holder or lamp holder place at the two sheet heat radiator 20 back sides.Interval surrounding between 20 two, radiator all can be passed through air-flow except lamp holder place, has further increased radiating effect.
From Fig. 1 to Fig. 3, can find out the first embodiment of the present invention: illuminator 10 near or in radiator 20 middle parts, radiator 20 has and stretches out illuminator 10 edge 20a around for heat radiation.The filament position of the residing position of the present embodiment illuminator 10 and conventional incandescent is similar, and the outer shape of radiator 20 is also identical with incandescent lamp, so the speciality of the high light efficiency energy saving of existing modern LED lamp, has again the blood lineage of conventional incandescent.
The second embodiment of the present invention as shown in Figure 4 and Figure 5, illuminator 10 near or in radiator 20 edges, radiator 20 have stretch out illuminator 10 all the other positions edge 20a for heat radiation.The present embodiment illuminator 10 is near the upper end of bulb, upper end the blocking of edge of not dispelling the heat, and having Ke Xiang upper end provides better illuminating effect.
The embodiment of illuminator 10 of the present invention has following two kinds at least:
LED light source 12 in illuminator 10 is the LED light source of white light or other color of light, and LED light source 12 is by being covered in light source cover 11 outside LED light source 12 to external exposure.Light source cover 11 is frosted or translucent cover.
LED light source 12 in illuminator 10 is blue light or ultraviolet leds light source, be covered in light source cover outside LED light source 12 11 inner surfaces and apply or inlay one deck fluorescent material or light source cover 11 self contains fluorescent material, blue light or ultraviolet leds light source 12 excite the coating that contains fluorescent material or mosaic coating or light source cover body 11 to send white light to external exposure.That is to say, can be coated with fluorescent material at light source cover inner surface, also can in light source cover, inlay or wrap up the mosaic coating (inner cover) that contains fluorescent material, fluorescent material can also be mixed with light source cover and creates the light source cover that self contains fluorescent material.
The embodiment of radiator 20 is:
The aluminium that radiator 20 is metal material or magnesium material and alloy material thereof, processing technology can be selected punching press, stretching, die casting and machining.
Heat radiation plastics or pottery that radiator 20 is non-metallic material.
In order to improve light efficiency, can on radiator 20, apply reflecting coating or do reflective processing.
The third embodiment of the present invention as shown in Figure 6 and Figure 7, in order to increase radiating effect, increases circulation of air approach, and at radiator 20 edge, 20a place offers thermovent or louvre 20c.
The fourth embodiment of the present invention as shown in Figure 8 and Figure 9, for good looking appearance, can be by radiator 20 peripheries flanging inwards.
The fifth embodiment of the present invention as shown in Figure 10 and Figure 11, can be offered thermovent 20d by radiator 20 peripheries.
The sixth embodiment of the present invention as shown in Figure 12 and Figure 13, in order to reduce dazzle, can be installed outer lampshade 30 on radiator 20, and outer lampshade 30 peripheries have the ventilating opening that keeps certain interval with radiator 20, and outer lampshade 30 is done similar frosted light DIFFUSION TREATMENT.Outer lampshade 30 can adopt the mode of detaining dog clutch hole with the connected mode of radiator 20, also can adopt other quick connected mode with cleaning for convenience detach.For being applicable to different purposes, but outer lampshade 30 each illuminator are furnished with one, also can arrange one.For example, on wall lamp, install and use, towards the one side of wall, outer lampshade can be installed, only in the one side towards outside, install, so both can avoid the dazzle from wall lamp, can make again not reduce light efficiency towards a side of wall.
In addition, this mode towards the bright dipping of Qiang Liqiangwai two sides can be carried out different control to two illuminators inside and outside, can only open inboard illuminator as need to rest time luminous, and closing of outside, all opens while needing.
The seventh embodiment of the present invention as shown in figure 14, for as lamp affixed to the ceiling and the installing and using of wall lamp that prevent dazzle, can adopt luminous one-sided to LED bulb structure of one side.
The eighth embodiment of the present invention is as shown in Figure 15 to Figure 17, the central axis of three illuminators 10 is distinguished the luminous to three sides of 120 ° of pointing spaces, the top side of three illuminators 10 is to simultaneously luminous to the top-direction of bulb, form the range of exposures that approaches 360 °, can reach the large range of exposures that approaches incandescent lamp.Each illuminator 10 is relatively independent and leave gap with radiator 20 separately, except the lamp holder place of bottom among a small circle all the other peripheries all can, to surrounding free flow air-flow, further strengthen radiating effect.
The ninth embodiment of the present invention as shown in Figure 18 and Figure 19, radiator 20 is single heat sinks, two illuminators 10 are arranged on radiator 20 two sides, at illuminator 10, towards a side of lamp holder, be provided with and draw wire 40 to the drive circuit at lamp holder or lamp holder place, for safety and attractive in appearance for the purpose of, drawing wire 40 overcoats has safety shield.
The tenth embodiment of the present invention as shown in Figure 20 and Figure 21, radiator 20 is that the heat sink of two right-angled intersections forms, four illuminators 10 are arranged on radiator intersection binding site, at illuminator 10, towards a side of lamp holder, be provided with and draw wire 40 to the drive circuit at lamp holder or lamp holder place, for safety and attractive in appearance for the purpose of, drawing wire 40 overcoats has safety shield.
As shown in figure 22, radiator 20 can be designed to the shape of candle lamp to the 11st embodiment of the present invention.
The 12nd embodiment of the present invention as shown in figure 23, is provided with driving power 50 between radiator 20 and lamp holder.
The 13rd embodiment of the present invention is as shown in Figure 24 and Figure 25, and radiator 20 can adopt aluminium alloy drawing and forming, not only can make general LED bulb, also can make the LED lamp pearl of LED candle lamp and replacing halogen lamp pearl.
The 14th embodiment of the present invention as shown in Figure 26 and Figure 27, radiator 20 horizontally sets, the axis coinciding of radiator 20 axle center and lamp holder, illuminator 10 above spherical in shape or draw high spherical, illuminator 10 is below cylindrical, and inside has the coupling assembling being connected with driving power assembly 50 and lamp holder.
Because having, the present invention adopt the axis of two illuminators to the embodiment of both direction, while installing for bulb, the precession angle of lamp holder has certain requirement, excessive too small Dou Huishi center light direction departs from instructions for use, therefore, lamp holder can be become can relatively rotate adjustment certain angle with fansink designs, even if in lamp holder precession lamp socket, fastening having got well gone back some angle deviating like this, the rotatable certain angle of radiator adjusts.The binding site of this designing requirement lamp holder and radiator have that one section of available hand twists as the insulator of plasticlike, this insulator lower end and lamp holder are connected and fixed, upper end is connected with radiator also can relatively rotate certain angle with radiator and difficult becoming flexible.In this insulator, also driving power assembly can be installed.
Various embodiments of the present invention can mutually be used for reference to intersect and adopt, and the 8th embodiment as shown in Figure 15 to Figure 17 is not limited to three illuminators and radiator, also can adopt four even more illuminators and radiator.The position of illuminator can mutually adopt the restriction that is not subject to the present embodiment in different embodiment.The position of whether offering and offer of thermovent and louvre does not strictly limit yet, can be according to different environments for use and Customer Requirement Design.
In order further to increase area of dissipation, also can on radiator, offer vent rib or radiating fin is installed.
The present invention does not limit the electric parameters such as use voltage of LED bulb yet, is not only applicable to the bulb that 110V or 220V exchange input, is applicable to too the lamp envelope design of low-voltage direct input.
LED bulb of the present invention has the spot light effect that approaches incandescent lamp, not only in common household and office and commercial lighting, uses, and the light source that is also suitable as very much crystal pendant lamp substitutes traditional incandescent lamp.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, and these all belong to protection scope of the present invention.

Claims (8)

1. a LED bulb, comprise LED light source and radiator, it is characterized in that: also comprise illuminator, described illuminator is comprised of with the light source cover being covered in outside LED light source directly contacting with extraneous space LED light source, illuminator is arranged on described radiator, radiator have stretch out illuminator heat radiation limit for heat radiation.
2. LED bulb as claimed in claim 1, is characterized in that: described illuminator near or in radiator middle part, radiator has and stretches out illuminator edge around for heat radiation.
3. LED bulb as claimed in claim 1, is characterized in that: described illuminator near or in radiator edge, radiator have stretch out all the other positions of illuminator edge for heat radiation.
4. the LED lamp as described in claim 1-3 any one, is characterized in that: the LED light source in described illuminator is the LED light source of white light or other color of light, and LED light source is by being covered in light source cover outside LED light source to external exposure.
5. the LED lamp as described in claim 1-3 any one, it is characterized in that: the LED light source in described illuminator is blue light or ultraviolet leds light source, be covered in light source cover inner surface outside LED light source and apply or inlay one deck fluorescent material or light source cover self contains fluorescent material, the coating that blue light or ultraviolet leds light source activation contain fluorescent material or mosaic coating or light source cover body send white light to external exposure.
6. the LED lamp as described in claim 4 or 5, is characterized in that: the aluminium that described radiator is metal material or magnesium material and alloy material thereof, processing technology can be selected punching press, stretching, die casting and machining.
7. the LED lamp as described in claim 4 or 5, is characterized in that: heat radiation plastics or pottery that described radiator is non-metallic material.
8. the LED lamp as described in claim 6 or 7, is characterized in that: on described radiator, apply or electroplate reflecting coating or produce reflective surface.
CN201210218809.2A 2012-06-18 2012-06-18 LED bulb CN103511869A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210218809.2A CN103511869A (en) 2012-06-18 2012-06-18 LED bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210218809.2A CN103511869A (en) 2012-06-18 2012-06-18 LED bulb

Publications (1)

Publication Number Publication Date
CN103511869A true CN103511869A (en) 2014-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN103511869A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266096A (en) * 2014-09-24 2015-01-07 浙江承康机电制造有限公司 Flat ball lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266096A (en) * 2014-09-24 2015-01-07 浙江承康机电制造有限公司 Flat ball lamp

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Application publication date: 20140115