CN102454890A - Light-emitting diode (LED) illuminating lamp - Google Patents

Light-emitting diode (LED) illuminating lamp Download PDF

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Publication number
CN102454890A
CN102454890A CN2010105164175A CN201010516417A CN102454890A CN 102454890 A CN102454890 A CN 102454890A CN 2010105164175 A CN2010105164175 A CN 2010105164175A CN 201010516417 A CN201010516417 A CN 201010516417A CN 102454890 A CN102454890 A CN 102454890A
Authority
CN
China
Prior art keywords
illuminating lamp
heat
circuit board
led illuminating
plastic cement
Prior art date
Application number
CN2010105164175A
Other languages
Chinese (zh)
Inventor
张明
尤诚培
Original Assignee
苏州盟泰励宝光电有限公司
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 苏州盟泰励宝光电有限公司 filed Critical 苏州盟泰励宝光电有限公司
Priority to CN2010105164175A priority Critical patent/CN102454890A/en
Publication of CN102454890A publication Critical patent/CN102454890A/en

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Abstract

The invention relates to a light-emitting diode (LED) illuminating lamp. The LED illuminating lamp comprises a lamp holder component which is connected with a power supply, a lamp shade, a circuit board which is positioned in the lamp shade, an aluminum base board and LEDs which are arranged on the aluminum base board and connected with the circuit board, and is characterized in that: a heat insulating disk, a heat transferring board and a heat conducting disk are arranged between the circuit board and the aluminum base board; the heat conducting disk is clamped between the aluminum base board and the heat transferring board; the heat transferring board is positioned between the heat insulating disk and the heat conducting disk; and a heat insulating cavity is formed between the heat insulating disk and the heat transferring board. Compared with the prior art, the LED illuminating lamp has the advantages that: a heat radiating effect can be greatly improved, and the influence of heat on the circuit board can be reduced.

Description

The LED illuminating lamp
Technical field
The present invention relates to lighting field, relate in particular to the good LED illuminating lamp of a kind of radiating effect.
Background technology
High-powered LED lamp PAR (par) lamp is widely used in common and professional optical tech field because of its compact conformation and low cost of manufacture, for example in the illumination of disco Chinese parasol tree or build light and used by a large amount of in using.
It is long that the semiconductor LED lighting source has the life-span, energy-conservation, safety, environmental protection, rich color and microminiaturized and be called as light source of future generation receive much concern, along with the continuous development of power-saving technology, the LED lamp is the direction of following illuminating industry development in the future.A key factor of present stage restriction LED lamp development is dispelled the heat exactly, and especially for high-power LED lamp, when luminous flux increased, the heat that LED produces was also increasing.Even the heat that LED produces is if can not shed, the temperature that directly causes LED PN knot is raise, and the height of LED PN junction temperature directly has influence on the light extraction efficiency, life-span, reliability of LED etc.Usually all be provided with cooling mechanism in the at present common LED lamp, but most cooling mechanism is fairly simple, radiating effect is also general; Especially when high-power LED lamp works long hours, will produce great amount of heat, and the design of existing cooling mechanism all can't be satisfied the demand of its heat radiation; Even if can reach the heat radiation requirement; Also can cause potential safety hazard because of bulky and can not be placed in the existing PAR lamp light fixture or, cause lamp holder to get loose because self is overweight.
Given this, the present invention provide a kind of have better heat dispersion and volume moderate, can replace existing conventional P AR fully, and very light in weight, close with conventional P AR lamp, lamp holder is not had the too much LED lamp of burden, to address the above problem.
Summary of the invention
To the deficiency of prior art, the technical problem that the present invention solves provides a kind of LED illuminating lamp, and it has better heat radiating effect.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of LED illuminating lamp; Comprise lamp base component, the lampshade that connects power supply, the circuit board that is positioned at lampshade, aluminium base and be installed on the said aluminium base and the LED diode that links to each other with said circuit board; Be provided with a thermal insulating disc, a heat transfer plate and a heat conducting disk between said circuit board and the said aluminium base; Said heat conducting disk is held between said aluminium base and the heat transfer plate, and said heat transfer plate and is provided with a heat-insulation chamber between said thermal insulating disc and the said heat transfer plate between said thermal insulating disc and heat conducting disk.
Further, said control circuit board and said aluminium base laterally arrange.
Further, said LED illuminating lamp further comprises cover in the plastic cement of accommodating said circuit board, and cover is from bottom to top fixing with said lampshade assembling in this plastic cement, and said insulation sleeve is from top to bottom fixing with said lampshade assembling.
Further, cover forms an insulated space with said thermal insulating disc in the said plastic cement, and said circuit board is contained in the said insulated space and is and is horizontally disposed with.
Further, said plastic cement thermal insulating disc is provided with the interior buckling parts that holds with said circuit board, supports the support portion of said circuit board, and and the outer buckling parts that closes of said plastic cement internal taping, put in the said plastic cement and be provided with the slot that cooperates with said outer buckling parts.
Further, said heat conducting disk is taper type and is provided with a conical surface and one and the said heat transfer plate top board of fitting, the said conical surface and the applying of said lampshade inner surface.
Further, the inner chamber of said aluminium base is accommodated in the said top board and said conical surface formation one.
Further, said LED illuminating lamp further comprises a retainer ring, and this retainer ring is provided with inside support ring and outer support ring.
Compared with prior art, LED illuminating lamp of the present invention can improve radiating effect greatly, reduces the influence of heat to circuit board.
Description of drawings
Shown in Figure 1ly be the schematic perspective view after the LED illuminating lamp of the present invention combination.
Shown in Figure 2 for the three-dimensional exploded view of LED illuminating lamp of the present invention.
Shown in Figure 3ly be the cutaway view after the LED illuminating lamp of the present invention combination.
Shown in Figure 4 for the stereo amplification figure of LED lighting lamp shade of the present invention.
Stereo amplification figure for cover in the LED illuminating lamp plastic cement of the present invention shown in Figure 5.
Shown in Figure 6 for the stereo amplification figure of LED illuminating lamp plastic cement thermal insulating disc of the present invention.
Shown in Figure 7 for the stereo amplification figure of LED illuminating lamp heat transfer plate of the present invention.
The specific embodiment
Ginseng Fig. 1 is to shown in Figure 7, and the present invention provides a kind of high-power LED illuminating lamp, comprises lamp base component 10, lampshade 20, power drives assembly 30 and light source assembly 40.Define direction M from top to bottom.Wherein lamp base component 10 is fixed assembling with lampshade 20 on above-below direction, and power drives assembly 30 all is positioned at lampshade 20 and distribution up and down respectively with light source assembly 40.
Lamp base component 10 comprises Metal Contact portion 11 and insulation sleeve 12, and the inner surface of Metal Contact portion 11 is provided with internal thread, and the upper end of insulation sleeve 12 is provided with external screw thread with matching, and Metal Contact portion 11 is connected with the external screw thread rotation through internal thread with insulation sleeve 12.Insulation sleeve 12 is horn-like, and its inboard is extended with installation portion 121 (ginseng Fig. 3) on the M direction, and installation portion 121 is provided with installing hole (figure does not show), and preferably, installation portion of the present invention is set to three.
Ginseng Fig. 4; Lampshade 20 is processed for the plastic material of heat conduction, roughly is horn-like, and its open upper end and concaving is stretched the installation portion 21 that forms annular; Said installation portion 21 is provided with three through holes 211, its with installation portion 121 on the installing hole above-below direction on corresponding consistent.The lower end of lampshade 20 is extended with cylindrical shape assembly wall 22 in the M direction, and assembly wall 22 is provided with installing hole 221.Said lampshade 20 can be connected with light source assembly through installing hole 221.Scribble insulating moulding coating on the madial wall of lampshade 20,, prevent that outside heat from distributing to lampshade 20 inner spaces like insulated paint, rubberbase paint etc.
Join shown in Figure 2, power drives assembly 30 comprise cover 31 in the plastic cement, electronic devices and components 32 and with plastic cement thermal insulating disc 33.Cover 31 is formed with insulated space with plastic cement thermal insulating disc 33 in the plastic cement, and electronic devices and components 32 are supported and place said insulated space by plastic cement thermal insulating disc 33.
Join shown in Figure 5; Cover 31 is made up of chamfered portion 311 and cylindrical shape part 312 in the plastic cement; Cylindrical shape part 312 is to be extended by the lower end edge M direction of chamfered portion 311 to form; The installation portion 313 of the open upper end of said chamfered portion 311 and the annular that extends internally, said installation portion 313 is provided with three through holes 3131, and through hole 3131 is corresponding on the M direction with through hole 211 on the lampshade 20.Cover 31, lampshade 20 are fixedly connected with installing hole on the installation portion 121 through passing its through hole 3131 and 211 screw respectively in the said plastic cement, thereby realizing that insulation sleeve 12, lampshade 20 and plastic cement are interior overlaps 31 connection.
Join shown in Figure 6ly, plastic cement thermal insulating disc 33 is located at circuit board 34 belows in order to carrying said circuit board 34 and electronic devices and components 32, and said plastic cement thermal insulating disc 33 is disc and can be tightly connected with the lower end of the cylindrical shape part 312 of cover 31 in the plastic cement.The edge of plastic cement thermal insulating disc 33 upwards protrude out useful with fasten buckling parts 331 in said circuit board 34 some, in order to some support portions 332 of supporting said circuit board 34 and outwards protrude out and outer buckling parts 333 in order to be interlocked with cylindrical shape part 312; Correspondingly, the sidewall of cylindrical shape part 312 is provided with the buckling groove 314 (ginseng Fig. 5) that cooperates with outer buckling parts 333.Be provided with installing hole 334 at the center of plastic cement thermal insulating disc 33, the bottom of plastic cement thermal insulating disc 33 also is extended with two round bars 335.
By on can know that cover 31 be the two-piece type setting in insulation sleeve of the present invention 12 and the plastic cement, it is assembled with said lampshade 20 from opposite both direction respectively and fixes; Be that insulation sleeve 21 from top to bottom fixedly mounts with lampshade 20, cover 31 then from bottom to top installs and fixes with lampshade 20 in the plastic cement, so; Make the interior cover 31 of plastic cement can in lampshade 20, obtain bigger arrangement space; But power circuit board 34 horizontal positioned are laid the bigger electric capacity of volume thereby obtain enough spaces, and can make electric capacity extend to the distance farther with light source assembly 40; Thereby stow away from heat is stopped potential safety hazard.
Said light source assembly 40 comprises heat transfer plate 41, heat conducting disk 42, aluminium base 43, LED diode 44 and convex lens face shield 45, and said heat transfer plate 41, heat conducting disk 42, aluminium base 43, LED diode 44 and convex lens face shield 45 distribute in lampshade 20 from top to bottom.
Join shown in Figure 7; The disk that heat transfer plate 41 constitutes for aluminum; Its horizontal positioned is parallel with circuit board 34, and the end is cone structure and can fits with the inner surface of lampshade 20 all around, and heat transfer plate 41 upper surfaces protrude out two circles different annular rib of height on the M direction: interior ribs 411 and outside keep out rib 412; This annular rib and heat transfer plate are the concentric setting, and keep out outward rib 412 be higher than in ribs 411.Wherein interior ribs 411 is kept out the bottom surface that rib 412 is higher than plastic cement thermal insulating disc 33 outward in order to support plastic cement thermal insulating disc 33 bottom surface outward flanges, can withstand the outward flange of plastic cement thermal insulating disc 33, prevents to rock around the plastic cement thermal insulating disc 33.Between interior ribs 411 and plastic cement thermal insulating disc 33 bottom surfaces, cement, between plastic cement thermal insulating disc 33 bottom surfaces and heat transfer plate 41 upper surfaces, can form the heat-insulation chamber 427 of sealing like this with glue.Also be provided with on the heat transfer plate 41 and round bar 335 corresponding two through holes 413 on the M direction, the outside that heat transfer plate 41 is kept out rib 412 outside also be provided with 414, three installing holes 414 of three installing holes be positioned at the concentric same circle of heat transfer plate on.
The heat conducting disk 42 of metal is positioned at heat transfer plate 41 belows; Roughly be taper type; The top board of this heat conducting disk 42 is a circular flat; Extend into the conical surface 421 downwards from the edge, the conical surface 421 extends into cylindrical sidewall from the bottom along the M direction, and the inner chamber 426 of said aluminium base 43 is accommodated in said top board and 421 formation one of the said conical surface.The said conical surface 421 is fitted with cylindrical sidewall and lampshade 20 inner surfaces, and Fig. 2 and Fig. 3 (are joined) at grade with the lower surface 23 of lampshade 20 in the lower surface 422 of heat conducting disk 42.Fit in the bottom surface of the top board of heat conducting disk 42 and heat transfer plate 41.Heat conducting disk 42 is provided with respectively and corresponding consistent through hole 423 in through hole 413 and installing hole 414 position on the M direction and through hole 424; Also be provided with three through holes 425 that are isosceles triangle behind the line on the heat conducting disk 42, these three through holes 425 be positioned at the concentric same circle of heat conducting disk 42 on.
Aluminium base 43 is discoideus, laterally arranges with circuit board 34, and this aluminium base 34 is positioned at the inner chamber 426 of heat conducting disk 42 and from bottom to top is affixed on the top board of said heat conducting disk 42.Said aluminium base 34 comprises from top to bottom respectively by aluminium sheet (not shown), first insulation board (not shown), circuit board (not shown) and four layers of formation of second insulation board (not shown); Be respectively equipped with on the aluminium base 43 and the corresponding through hole in through hole 423, through hole 424 and through hole 425 position on the M direction 433, fluting 434 and through hole 435, fluting 434 is positioned at the lateral edges (ginseng Fig. 2) of aluminium base 43.The lower surface of aluminium base 43 can be connected and carry power supply with the pin of LED diode 44.
Round bar 335 on the plastic cement thermal insulating disc 33 can pass through hole 413, through hole 423 and the through hole 433 on heat transfer plate 41, heat conducting disk 42, the aluminium base 43 respectively; Avoid rocking of plastic cement thermal insulating disc 33; But its inside also supply lines is passed; Prevent that electric wire from touching metal section and part and short circuit, the lucky portion in lower end of round bar 335 stretches out through hole 433 simultaneously.Screw can pass fluting 434 respectively and be connected with installing hole 414 through through hole 424, thereby makes heat transfer plate 41, heat conducting disk 42 and aluminium base 43 be fixed together.
Convex lens face shield 45 is positioned at the below of aluminium base 43, its top be provided with can ccontaining LED diode 44 some grooves 451, said groove 451 has the optically focused effect simultaneously.LED diode 44 luminous components are positioned at groove, and pin is connected with the electrode contact site of aluminium base 43 bottom surfaces.Convex lens face shield 45 tops also are provided with the round bar 452 that protrudes out; It can pass through hole 435 and through hole 425 on aluminium base 43 and the heat conducting disk 42 respectively; And offset just with the bottom surface of heat transfer plate 41; To prevent rocking between aluminium base 43, heat conducting disk 42 and the convex lens face shield 45, also can play the effect of supporting convex lens face shield 45.Convex lens face shield 45 bottom surface side edges upwards depression circularize depressed part 453 (ginseng Fig. 3).
The below of convex lens face shield 45 also is provided with a retainer ring 50, and retainer ring 50 upper surfaces have protruded out fin 51, and the inside and outside both sides of fin 51 are respectively equipped with inside support ring 52 and outer support ring 53 (ginseng Fig. 2).Wherein, inside support ring 52 can match with annular recess 453 lower surfaces of convex lens face shield 45 to merge and hold convex lens face shield 45, and outer support ring 53 is in order to the lower surface 23 (ginseng Fig. 3) against lampshade.The lateral wall of fin 51 is provided with the installing hole 54 with installing hole 221 corresponding settings.It is fixing with installing hole 54 that screw passes installing hole 221, thereby make lampshade 20 and retainer ring 50 be fixed together.Be easy to expect; Said retainer ring can also be provided with like this: the fin that the cancellation upper surface protrudes out; The retainer ring edge extends upward to cylinder side wall, can fit with assembly wall 22 outsides just in the inboard of said cylinder side wall, and is with screw that lampshade 20 is fixing with retainer ring 50 again.
In sum, the heat that led light source produced among the present invention at first is passed to heat conducting disk 42 through aluminium base 43, and the conical surface 421 of said heat conducting disk 42 fits tightly with cylindrical sidewall and lampshade 20 inner surfaces; So the part of the heat on the heat conducting disk 42 will be passed to said lampshade 20 and realize to external radiation with retainer ring 50; And another part will reach the heat transfer plate 41 of heat conducting disk 42 tops, and heat can also pass on the retainer ring 50 from heat conducting disk 42, and retainer ring 50 is outside radiations heat energy also; The effect of retainer ring 50 is except fixing thermolysis in addition; Owing to be formed with heat-insulation chamber 427 between said heat transfer plate 41 and the plastic cement thermal insulating disc 33, can well reduce heat transfer plate 41 and transmit heat, so to plastic cement thermal insulating disc 33; Heat conducts through three times of aluminium base 43, heat conducting disk 42 and heat transfer plate 41 successively; And the isolation of heat-insulation chamber, greatly reduce plastic cement thermal insulating disc 33 resulting heats, ensured control circuit board 34 safety on the plastic cement thermal insulating disc 33; Avoid the influence of high temperature, stopped potential safety hazard.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and the scope of technical scheme of the present invention.

Claims (8)

1. LED illuminating lamp; Comprise lamp base component, the lampshade that connects power supply, the circuit board that is positioned at lampshade, aluminium base and be installed on the said aluminium base and the LED diode that links to each other with said circuit board; It is characterized in that: be provided with a thermal insulating disc, a heat transfer plate and a heat conducting disk between said circuit board and the said aluminium base; Said heat conducting disk is held between said aluminium base and the heat transfer plate; Said heat transfer plate and is provided with a heat-insulation chamber between said thermal insulating disc and the said heat transfer plate between said thermal insulating disc and heat conducting disk.
2. LED illuminating lamp according to claim 1 is characterized in that: said control circuit board and said aluminium base laterally arrange.
3. LED illuminating lamp according to claim 2; It is characterized in that: said LED illuminating lamp further comprises cover in the plastic cement of accommodating said circuit board; Cover is from bottom to top fixing with said lampshade assembling in this plastic cement, and said insulation sleeve is from top to bottom fixing with said lampshade assembling.
4. LED illuminating lamp according to claim 3 is characterized in that: cover forms an insulated space with said thermal insulating disc in the said plastic cement, and said circuit board is contained in the said insulated space and is and is horizontally disposed with.
5. LED illuminating lamp according to claim 4; It is characterized in that: said plastic cement thermal insulating disc is provided with the interior buckling parts that holds with said circuit board, supports the support portion of said circuit board, and and the outer buckling parts that closes of said plastic cement internal taping, put in the said plastic cement and be provided with the slot that cooperates with said outer buckling parts.
6. LED illuminating lamp according to claim 5 is characterized in that: said heat conducting disk is taper type and is provided with a conical surface and one and the said heat transfer plate top board of fitting, the said conical surface and the applying of said lampshade inner surface.
7. LED illuminating lamp according to claim 6 is characterized in that: the inner chamber of said aluminium base is accommodated in said top board and said conical surface formation one.
8. LED illuminating lamp according to claim 7 is characterized in that: said LED illuminating lamp further comprises a retainer ring, and this retainer ring is provided with inside support ring and outer support ring.
CN2010105164175A 2010-10-22 2010-10-22 Light-emitting diode (LED) illuminating lamp CN102454890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105164175A CN102454890A (en) 2010-10-22 2010-10-22 Light-emitting diode (LED) illuminating lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105164175A CN102454890A (en) 2010-10-22 2010-10-22 Light-emitting diode (LED) illuminating lamp

Publications (1)

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CN102454890A true CN102454890A (en) 2012-05-16

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CN2010105164175A CN102454890A (en) 2010-10-22 2010-10-22 Light-emitting diode (LED) illuminating lamp

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9995471B2 (en) 2016-08-30 2018-06-12 Chicony Power Technology Co., Ltd. LED lighting device having a structural design that effectively increases the surface area of the circuit board for circuit layout

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1873308A (en) * 2006-06-23 2006-12-06 倪文聪 Structure of lamp holder
CN1880844A (en) * 2005-04-08 2006-12-20 东芝照明技术株式会社 Lamp
CN2893419Y (en) * 2006-05-08 2007-04-25 康永义 Energy-saving lighting lamp
CN201344406Y (en) * 2009-02-13 2009-11-11 深圳市聚作实业有限公司 LED lamp
CN201359217Y (en) * 2008-10-28 2009-12-09 杨汶鑫 Combined reflective energy saving lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1880844A (en) * 2005-04-08 2006-12-20 东芝照明技术株式会社 Lamp
CN2893419Y (en) * 2006-05-08 2007-04-25 康永义 Energy-saving lighting lamp
CN1873308A (en) * 2006-06-23 2006-12-06 倪文聪 Structure of lamp holder
CN201359217Y (en) * 2008-10-28 2009-12-09 杨汶鑫 Combined reflective energy saving lamp
CN201344406Y (en) * 2009-02-13 2009-11-11 深圳市聚作实业有限公司 LED lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9995471B2 (en) 2016-08-30 2018-06-12 Chicony Power Technology Co., Ltd. LED lighting device having a structural design that effectively increases the surface area of the circuit board for circuit layout

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Application publication date: 20120516

C02 Deemed withdrawal of patent application after publication (patent law 2001)