CN201269415Y - LED lamp - Google Patents

LED lamp Download PDF

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Publication number
CN201269415Y
CN201269415Y CNU2008200078538U CN200820007853U CN201269415Y CN 201269415 Y CN201269415 Y CN 201269415Y CN U2008200078538 U CNU2008200078538 U CN U2008200078538U CN 200820007853 U CN200820007853 U CN 200820007853U CN 201269415 Y CN201269415 Y CN 201269415Y
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CN
China
Prior art keywords
baseplate
lamp socket
heat radiation
led
led module
Prior art date
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Expired - Lifetime
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CNU2008200078538U
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Chinese (zh)
Inventor
秦文隆
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Individual
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Individual
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Priority to CNU2008200078538U priority Critical patent/CN201269415Y/en
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Publication of CN201269415Y publication Critical patent/CN201269415Y/en
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Expired - Lifetime legal-status Critical Current

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The utility model discloses an LED lamp, mainly including an LED module, a structure substrate, a circuit device and a heat dispersing lamp base. The LED module is arranged on the structure substrate; the structure substrate is made of metal with good heat conduction; the circuit device is arranged in the heat dispersing lamp base to be connected with the LED module and an external power; the heat dispersing lamp base is made of nonmetal with porous structure and good heat dispersing, and can be directly modeled into the lamp base shape; the heat dispersing lamp base is provided with an inner-concave part with an open end being sealed by structure substrate. The heat dispersing lamp base with heat dispersing efficiency is directly formed into common bulb shape, can directly take place of the familiar bulb, and also has the advantages of better heat dispersing, and bulb replacing for use directly without lamp device changing.

Description

The LED lamp
Technical field
The utility model relates to a kind of LED lamp.
Background technology
At present, LED is the abbreviation of light emitting diode (Light-emitting Diode), it is the solid luminescent assembly of making by semi-conducting material, wherein semi-conducting material is III-V family chemical element (as: gallium phosphide (GaP), a GaAs (GaAs) etc.), its principle of luminosity is to convert electrical energy into light, just compound semiconductor is applied electric current, by combining of electronics and electric hole, superfluous energy can disengage with the form of light, reaches luminous effect.It is luminous that it belongs to cold property, and the life-span reached more than 100,000 hours.The characteristics of LED maximum are: need not warm up the lamp time (idling time), reaction speed is fast, volume is little, power-saving, shatter-proof, pollute low, be fit to volume production, the reliability height, the needs on the fit applications are made the assembly of minimum or array type easily.But,, promptly utilize the chip energising because LED is a solid-state illumination, the quantum excite state is replied and is sent energy (light), but in luminous process, the light energy in the chip can not reach the external world fully, can not be converted into the energy of light, in chip internal and packaging body, just can be absorbed, form heat.The conversion efficiency that LED is general has only 10%~30% approximately, so the electricity of 1W only becomes the light that can see less than 0.2W, other all is a heat, if do not dispel the heat, these accumulation of heat can cause damage to chip efficient and life-span.So will apply to the problem that lighting apparatus at first will solve heat radiation with high efficiency LED.With LED heat radiation patent is example, the novel M314505 of TaiWan, China number " high-capacity LED bulb radiator structure " patent (with reference on 06 21st, 2007 patent announcement data), mainly be on lamp holder, to be fixed with substrate, the end face of this substrate is fixed with at least one heat pipe, sheathed two or more fin and the top substrate of being fixed with of heat pipe, the end face of top substrate is provided with the high-capacity LED of corresponding heat pipe quantity, and the bottom surface bonding of this high-capacity LED is supported in the top of heat pipe.Novel M314433 number " radiating module of LED package " patent of TaiWan, China (with reference on 06 21st, 2007 patent announcement data), this radiating module comprises: the led circuit plate; Radiating block comprises two or more fin; And the thermal paste material, so as to directly fixing this led circuit plate on this radiating block; Wherein between this led circuit plate and this radiating block, do not have metal substrate.TaiWan, China is invented I260798 number " high-radiating light-emitting diode " patent (with reference on 08 21st, 2006 patent announcement data), comprises at least: the mushy material layer; Heat conduction layer is located at this mushy material laminar surface; And chip, be located at this heat conduction layer, by this heat conduction layer the heat that this chip sent is conducted to this mushy material layer, and by this mushy material layer with this heat to flowing to the outside.
Mostly adopt metal fin by above-described in the known as can be known LED heat radiation of first to file, or in conjunction with modes such as heat pipe, cooling chip, soaking plate, radiator fans, have generally that radiating effect is not good, radiating rate inadequately rapidly, shortcomings such as complicated, the cost height of radiating module structure, and because the radiator structure of required collocation designs for unnormalized, so light fixture that must design specialized can use.This is existing known technology and has maximum shortcoming, and this shortcoming is into an industry difficult problem extremely to be overcome.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of provides illumination to use, and except that having splendid radiating effect, has more the LED lamp that must not change light fixture and can directly replace bulb use effect.
In order to achieve the above object, the technical solution of the utility model is achieved in that a kind of LED lamp mainly includes:
Led module, described led module is located on the baseplate;
Baseplate, described baseplate constitutes for the thermal conductivity good metal;
Circuit arrangement, described circuit arrangement are located in the heat radiation lamp socket, connect described led module and external power source;
The heat radiation lamp socket, described heat radiation lamp socket is the nonmetal formation of the good tool multi-pore structure of thermal diffusivity, and straight forming becomes the lamp socket profile, and described heat radiation lamp socket has inner fovea part, and the openend of inner fovea part seals by baseplate.
Wherein, described heat radiation lamp socket outer rim is provided with metallic sheath, insulation sleeve and the power contacting plate of bulb special use, and described metallic sheath and power contacting plate electrically connect with circuit arrangement respectively, and described baseplate is provided with lampshade.
Wherein, described circuit arrangement is provided with the splicing ear of projection lamp socket special use, and described splicing ear is convexly equipped with out heat radiation lamp socket bottom outer rim, and described baseplate is provided with reflector.
Wherein, described baseplate has depressed part, and described led module is located at described depressed part.
Wherein, described baseplate is provided with can the forming convection action of predetermined quantity and the perforation that improves radiating effect.
Wherein, described heat radiation lamp socket is provided with in order to increase the lines of cooling surface area.
Beneficial effect after the employing technique scheme is: LED lamp of the present utility model can directly form general bulb profile, and have radiating effect concurrently, can directly replace known bulb uses, except that having splendid radiating effect, have more and must not change the effect that light fixture can directly be replaced bulb, promptly the utility model can directly use on old light fixture.
Description of drawings
Fig. 1 is the stereogram of the utility model bulb-type LED lamp;
Fig. 2 is the three-dimensional exploded view of the utility model bulb-type LED lamp;
Fig. 3 is the three-dimensional generalized section of the combination of the utility model bulb-type LED lamp;
Fig. 4 is the stereogram of the utility model projecting lamp formula LED lamp;
Fig. 5 is the three-dimensional exploded view of the utility model projecting lamp formula LED lamp;
Fig. 6 is the three-dimensional generalized section of the combination of the utility model projecting lamp formula LED lamp.
Description of reference numerals
1 led module
2 baseplates
21 perforation of 20 depressed parts
3 circuit arrangements
4 heat radiation lamp sockets
40 inner fovea parts, 41 lines
50 metallic sheaths, 51 insulation sleeves
52 power contacting plates
6 splicing ears
7 lampshades
8 reflectors
The specific embodiment
For reaching the technological means of the aforementioned purpose of the utility model, enumerate embodiment, and conjunction with figs. explanation, to structure of the present utility model, feature and the effect reached, obtain more preferably to understand.
At first, as Fig. 1, Fig. 2 and shown in Figure 3, the LED lamp in the utility model mainly includes as seen from the figure:
Led module 1 is known normalization parts, is located on the baseplate 2;
Baseplate 2 is for the thermal conductivity good metal constitutes (heat conduction good metal such as gold, silver, copper, iron, aluminium, cobalt, nickel, zinc, titanium, manganese etc.);
Circuit arrangement 3 is located in the heat radiation lamp socket 4, connects led module 1 and external power source;
Heat radiation lamp socket 4, be the good tool multi-pore structure of thermal diffusivity (multi-pore structure promptly has the high-specific surface area structure), and by nonmetally constituting (heat radiation lamp socket 4 is made (as ejection formation) by the high non-metallic powder of thermal conductivity, thermal conductivity high non-metallic powder such as aluminium oxide (Al 2O 3), zirconia (Zr 2O), aluminium nitride (AlN), silicon nitride (SiN), boron nitride (BN), tungsten carbide (WC), carborundum (SiC), graphite (C), crystalline silicon carbide, re-crystallized silicon carbide (ReSiC) etc., and be good) with aluminium nitride and carborundum, and straight forming becomes the lamp socket profile, it has inner fovea part 40, and the openend of inner fovea part 40 is by baseplate 2 sealings;
When the LED lamp was lighted, the heat of its generation can promptly be conducted by baseplate 2, and borrowed heat conduction and the thermal convection current effect of baseplate 2 with 4 of heat radiation lamp sockets, led module 1 produced on the baseplate 2 heat was promptly conducted to dispel the heat lamp socket 4 and dispelled the heat.
Heat radiation lamp socket 4 directly forms general bulb profile in the utility model, and have heat dissipation concurrently, can directly replace known bulb uses, except that having splendid radiating effect, also have and must not change light fixture can directly replace the effect of bulb (being that the utility model can directly use) on old light fixture.These heat radiation lamp socket 4 outer rims are provided with metallic sheath 50, insulation sleeve 51 and the power contacting plate 52 of bulb special use, wherein the metallic sheath 50 of this bulb special use, insulation sleeve 51 and power contacting plate 52 are international specification, as E-27, E14 etc., this metallic sheath 50 and power contacting plate 52 electrically connect with circuit arrangement 3 respectively, baseplate 2 is provided with lampshade 7, and constitute the LED lamp, so the utility model directly can be screwed together in and use on the light fixture of known bulb, and needn't replace original old light fixture.
As Fig. 4, Fig. 5 and shown in Figure 6, circuit arrangement 3 is provided with the splicing ear 6 of projection lamp socket special use (splicing ear 6 of this projection lamp socket special use is international specification in the utility model, as MR16 etc.), this splicing ear 6 is convexly equipped with out heat radiation lamp socket 4 bottom outer rims, baseplate 2 is provided with reflector 8, and constitute projection-type LED lamp, so the utility model directly can be plugged together and on known projection light fixture, use, and needn't replace original old projection light fixture.
Moreover as Fig. 1, Fig. 2, Fig. 4 and shown in Figure 5, the aforementioned baseplate 2 of the utility model has depressed part 20, and led module 1 is located at this depressed part 20, and when using as bulb, this depressed part 20 is used to set firmly lampshade 7 (as shown in Figures 2 and 3).When using as projecting lamp, this depressed part 20 is used to set firmly reflector 8 (as Fig. 5 and shown in Figure 6).
Again, baseplate 2 is provided with a plurality of perforation 21 in the utility model, to form convection action, improves heat dissipation.Heat radiation lamp socket 4 is provided with the lines 41 that increases cooling surface area.So reach the utility model purpose of design.
The above only is a preferable possible embodiments of the present utility model, is not in order to limit scope of the present utility model.

Claims (6)

1, a kind of LED lamp is characterized in that, described LED lamp mainly includes:
Led module, described led module is located on the baseplate;
Baseplate, described baseplate constitutes for the thermal conductivity good metal;
Circuit arrangement, described circuit arrangement are located in the heat radiation lamp socket, connect described led module and external power source;
The heat radiation lamp socket, described heat radiation lamp socket is the nonmetal formation of the good tool multi-pore structure of thermal diffusivity, and straight forming becomes the lamp socket profile, and described heat radiation lamp socket has inner fovea part, and the openend of inner fovea part seals by baseplate.
2, LED lamp according to claim 1, it is characterized in that, described heat radiation lamp socket outer rim is provided with metallic sheath, insulation sleeve and the power contacting plate of bulb special use, and described metallic sheath and described power contacting plate electrically connect with described circuit arrangement respectively, and described baseplate is provided with lampshade.
3, LED lamp according to claim 1 is characterized in that, described circuit arrangement is provided with the splicing ear of projection lamp socket special use, and described splicing ear is convexly equipped with out heat radiation lamp socket bottom outer rim, and described baseplate is provided with reflector.
4, according to claim 2 or 3 described LED lamps, it is characterized in that described baseplate has depressed part, described led module is located at described depressed part.
5, according to claim 2 or 3 described LED lamps, it is characterized in that described baseplate is provided with a plurality of perforation that can form convection action and improve radiating effect.
According to claim 2 or 3 described LED lamps, it is characterized in that 6, described heat radiation lamp socket is provided with in order to increase the lines of cooling surface area.
CNU2008200078538U 2008-03-26 2008-03-26 LED lamp Expired - Lifetime CN201269415Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200078538U CN201269415Y (en) 2008-03-26 2008-03-26 LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200078538U CN201269415Y (en) 2008-03-26 2008-03-26 LED lamp

Publications (1)

Publication Number Publication Date
CN201269415Y true CN201269415Y (en) 2009-07-08

Family

ID=40842013

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200078538U Expired - Lifetime CN201269415Y (en) 2008-03-26 2008-03-26 LED lamp

Country Status (1)

Country Link
CN (1) CN201269415Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103026123A (en) * 2010-07-15 2013-04-03 骆万宝 LED light device with improved thermal and optical characteristics
CN103090237A (en) * 2013-01-31 2013-05-08 东莞市贺喜光电有限公司 Light-emitting diode (LED) lamp without power supply unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103026123A (en) * 2010-07-15 2013-04-03 骆万宝 LED light device with improved thermal and optical characteristics
CN103090237A (en) * 2013-01-31 2013-05-08 东莞市贺喜光电有限公司 Light-emitting diode (LED) lamp without power supply unit

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CX01 Expiry of patent term
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Granted publication date: 20090708