CN101846260B - LED illumination bulb and heat dissipation seat thereof - Google Patents
LED illumination bulb and heat dissipation seat thereof Download PDFInfo
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- CN101846260B CN101846260B CN201010194595.0A CN201010194595A CN101846260B CN 101846260 B CN101846260 B CN 101846260B CN 201010194595 A CN201010194595 A CN 201010194595A CN 101846260 B CN101846260 B CN 101846260B
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- plastic cement
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Abstract
The invention discloses an LED illumination bulb, comprising a lamp holder, a heat dissipation seat, an LED lamp panel and a lampshade. The heat dissipation seat is installed at the upper end of the lamp holder, the LED lamp panel is installed at the upper end face of the heat dissipation seat, and the lampshade covers the LED lamp panel from outside. The heat dissipation seat comprises a plastic sleeve and heat dissipation fins, wherein the heat dissipation fins are fixedly installed outwards on the periphery of the plastic sleeve in a radial array mode, the upper end of each heat dissipation fin is provided with a lapping piece, the lapping piece exposes outside the upper end face of the plastic sleeve, and the lamp panel abuts against the lapping piece. Therefore, the heat dissipation fins are fixedly installed on the plastic sleeve to form the heat dissipation seat body. The LED illumination bulb and the heat dissipation seat has insulating performance and light weight, can effectively reduce the use level of heat dissipation materials and can reduce the heat dissipation seat and the manufacturing cost of the LED illumination bulb. In addition, by utilizing the lapping piece, the contact area of the heat dissipation fins and a heat conduction plate is large so that the heating area of the heat dissipation fins can be increased, and the heat dissipation performance is better.
Description
Technical field
The present invention relates to lighting bulb art, refer in particular to cost low and there is a kind of LED lighting bulb and the radiating seat thereof of better heat dispersion.
Background technology
Traditional bulb is incandescent light bulb, and its illumination is lower, and light is not bright, not energy-conservation.After incandescent light bulb, occurred fluorescent lamp bulb, although it is energy-conservation, light is also brighter, due to a large amount of fluorescent material that uses, therefore environmental protection not.There is at present more energy-conservation and LED light source environmental protection, produced LED bulb thereupon, existing LED bulb common configuration complexity, the element mainly comprising has lamp holder, insulator, circuit board, radiating seat, lamp body and lampshade, and this lamp holder is all standard component, and lamp holder envelopes the bottom of insulator, the upper end of insulator and the lower end of radiating seat are affixed, this circuit board is installed in insulator, and this lamp body is installed in the upper end of radiating seat, and this lampshade covers lamp body outward.At present, the manufacture of the radiating seat of above-mentioned LED bulb has aluminium die cast, aluminium extruded moulding and slotting fin-type conventionally.
Above-mentioned existing LED bulb structure, though its radiating seat can offer effect that user leaves the heat of LED bulb, really there is progressive, but in the time that being used, reality but finds still to have many deficiencies in himself structure and serviceability, cause existing LED bulb in practical application, fail to reach best result of use and task performance, now its shortcoming be summarized as follows:
The radiating seat of this kind of aluminium die-casting die, although its procedure for processing is simple and convenient, the aluminum that the radiating seat of die cast uses is more, makes the weight ratio of radiating seat heavier, cost is naturally also very high.The radiating seat of this kind of aluminium extruded type, owing to being subject to the restriction of technology, the fin of this radiating seat does thicklyer, and the aluminum of use is more, is still unfavorable for reducing manufacturing cost.The radiating seat of this kind of slotting fin, although its aluminum using reduces, its procedure for processing is comparatively loaded down with trivial details, need to drop into more time and manpower, is still unfavorable for reducing manufacturing cost.
And above-mentioned three kinds of manufactures have same shortcoming altogether: they itself do not have insulating properties, circuit board can not directly be installed on their inside, need to increase in addition insulator circuit board and radiating seat are kept apart, and then make assembling become more loaded down with trivial details, manufacturing cost also relatively increases simultaneously.
Summary of the invention
Main purpose of the present invention is to provide a kind of LED lighting bulb and radiating seat, and it has the feature of good insulating, lightweight, low cost of manufacture and excellent heat dissipation performance.
Another object of the present invention is to provide a kind of LED lighting bulb and radiating seat, and it has processing and feature easy to assembly.
For achieving the above object, the present invention adopts following technical scheme:
A kind of LED lighting bulb, include lamp holder, radiating seat, LED lamp panel and lampshade, this radiating seat is installed on the upper end of lamp holder, this LED lamp panel is installed on the upper surface of radiating seat, this lampshade covers LED lamp panel outward, described radiating seat includes plastic cement sleeve and radiating fin, this radiating fin outwardly radially array be installed on the periphery of plastic cement sleeve; And the upper end bending of this radiating fin is formed with a butt strip, this butt strip exposes to the upper surface of plastic cement sleeve, and this lamp panel is butted on butt strip, and this butt strip, for increasing the heating surface area of radiating fin, makes the heat of lamp panel be delivered on radiating fin and dispel the heat fast.
As a kind of preferred version, described radiating fin is connected for inlaying injection moulding with plastic cement sleeve.
As a kind of preferred version, described LED lamp panel includes LED lamp body, heat-radiating substrate and heat-conducting plate, and this LED lamp body is installed in the upper surface of substrate, and this substrate is butted on the upper surface of heat-conducting plate, and the bottom surface of this heat-conducting plate contacts with aforementioned butt strip.
As a kind of preferred version, described butt strip and radiating fin main body are 90 ° of bendings.
As a kind of preferred version, in the main body of described radiating fin, be provided with heat radiation through hole, this heat radiation through hole strengthens the radiating effect of radiating fin for making heat form convection current.
A kind of radiating seat, described radiating seat includes plastic cement sleeve and radiating fin, radiating fin outwardly radially array be installed on the periphery of plastic cement sleeve, and, the upper end bending of this radiating fin is formed with butt strip, this butt strip exposes to the upper surface of plastic cement sleeve, and this butt strip is for increasing the heating surface area of radiating fin.
As a kind of preferred version, described radiating fin is connected for inlaying injection moulding with plastic cement sleeve.
As a kind of preferred version, the aluminum material that described radiating fin is good heat dispersion performance.
As a kind of preferred version, described butt strip and radiating fin main body are 90 ° of bendings.
As a kind of preferred version, in the main body of described radiating fin, be provided with heat radiation through hole, this heat radiation through hole strengthens the radiating effect of radiating fin for making heat form convection current.
The present invention compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, form this heat radiation pedestal by radiating fin being installed on plastic cement sleeve, can effectively reduce the use of heat sink material, weight is lighter, and can greatly reduce the manufacturing cost of radiating seat.And the insulating properties of utilizing plastic cement sleeve to have, make radiating seat possess good insulating properties, not needing to increase in addition insulator can install circuit board in radiating seat, also can further reduce manufacturing cost.And, utilize the butt strip of radiating fin to make the contact area of radiating fin and heat-conducting plate larger, thereby can increase the heating surface area of radiating fin, heat can be delivered on radiating fin fast, heat dispersion is better.
Two, utilize radiating fin to inlay injection moulding with plastic cement sleeve and be connected, make the processing of this radiating seat convenient more convenient with assembling LED lighting bulb, can further reduce the manufacturing cost of radiating seat and LED lighting bulb.
Three, utilize the louvre arranging on radiating fin can make heat form convection current, the speed that heat is left is faster, further can improve the heat dispersion of radiating seat.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail:
Accompanying drawing explanation
Fig. 1 is the three-dimensional diagram of assembling of the present invention's embodiment;
Fig. 2 is the exploded view of the present invention's embodiment;
Fig. 3 is the partial assembly drawing of the present invention's embodiment;
Fig. 4 is the amplification diagram of the radiating fin in the present invention's embodiment;
Fig. 5 is the longitdinal cross-section diagram of the present invention's embodiment;
Fig. 6 is the view in transverse section of the present invention's embodiment.
Accompanying drawing identifier declaration:
10, radiating seat 11, plastic cement sleeve
111, screw 112, button hole
12, radiating fin 121, fixing hole
122, butt strip 123, main body
124, louvre 101, gap
102, storage tank 20, lamp holder
21, insulator 211, hook part
22, metal shell 30, LED lamp panel
31, heat-radiating substrate 311, through hole
32, LED lamp body 33, heat-conducting plate
331, through hole 332, hook groove
40, lampshade 41, hook part
The specific embodiment:
Please refer to shown in Fig. 1 to Fig. 6, the concrete structure that it has demonstrated the present invention's preferred embodiment, includes radiating seat 10, lamp holder 20, LED lamp panel 30, lampshade 40.
Wherein, this radiating seat 10 includes plastic cement sleeve 11 and radiating fin 12.This plastic cement sleeve 11 has the cavity of a up/down perforation.The aluminum material that this radiating fin 12 is good heat dispersion performance, radiating fin 12 and plastic cement sleeve 11 are connected for embedding and injection molding moulding, on the position that this radiating fin 12 is connected with the 11 embedding and injection molding moulding of plastic cement sleeve, be provided with fixing hole 121, after this fixing hole 121 makes embedding and injection molding moulding, this radiating fin 12 is more firm with being connected of plastic cement sleeve 11.This radiating fin 12 is array distribution radially outwardly on the periphery of plastic cement sleeve 11, and this radiating fin 12 connects perpendicular to the outside wall surface of plastic cement sleeve 11, is formed with the gap 101 that an outside width expands gradually between adjacent two radiating fins 12.And, the upper end of this radiating fin 12 is formed with a butt strip 122 through bending, this butt strip 122 is 90 ° of bendings with the main body 123 of radiating fin 12, and this butt strip 122 exposes to the upper surface of plastic cement sleeve 11, as shown in Figure 2, the butt strip 122 of the plurality of radiating fin 12 around week of plastic cement sleeve 11 because of same plane on radially array arrange, the main body 123 of the plurality of butt strip 122 and radiating fin encloses and is formed with an opening up circular storage tank 102.For strengthening the radiating effect of radiating fin 12, in the main body 123 of radiating fin 12, be further provided with louvre 124, this louvre 124 can make heat form convection current.
This lamp holder 20 includes insulator 21 and metal shell 22.This insulator 21 is positioned at the below of aforementioned plastic cement sleeve 11, and this insulator 21 can be connected with plastic cement sleeve 11 is one-body molded, also can separate and be connected with plastic cement sleeve 11 as the insulator of the present embodiment 21.As shown in Figure 2, the upper surface of this insulator 21 has extended upward hook part 211, the upper surface of insulator 21 is provided with three hook parts 211 altogether, lower end corresponding to the plastic cement sleeve 11 of radiating seat 10 is provided with three button holes 112, and the hook part 211 of this insulator 21 is stretched in plastic cement sleeve 11 and with the button hole 112 of plastic cement sleeve 11 and mutually fastened and be fixedly mounted with.This metal shell 22 envelopes the lower end of aforementioned dielectric body 21, for realizing and being electrically connected with external power source.
This LED lamp panel 30 includes a heat-radiating substrate 31, LED lamp body 32 and heat-conducting plate 33.These a plurality of LED lamp bodies 32 are main light-emitting component of the present invention, this LED lamp body 32 is low power LED lamp body, this kind of low power LED lamp body 32 has the advantages that luminous efficiency is high, and these a plurality of LED lamp bodies 32 are three in heat-radiating substrate 31 upper surfaces and distribute symmetrically and evenly.This heat-radiating substrate 31 is rounded, and heat-radiating substrate 31 is similarly aluminum material, is provided with three through holes 311 on this heat-radiating substrate 31.This heat-conducting plate 33 is flush-mounted in aforementioned storage tank 102, heat-conducting plate 33 is also the aluminum material that heat dispersion is good, the bottom surface of this heat-conducting plate 33 is butted on the upper surface of aforementioned butt strip 122, this butt strip 122 has increased the heating surface area of radiating fin 12, the heat of heat-conducting plate 33 can be delivered on radiating fin 12 rapidly and dispel the heat, excellent in heat dissipation effect.On this heat-conducting plate 33, be provided with three through holes 331, be provided with three screws 111 corresponding to the upper surface of plastic cement sleeve 11.This heat-radiating substrate 31 is butted on the upper surface of heat-conducting plate 33, and screw is fixed on heat-radiating substrate 31 and heat-conducting plate 33 upper surface of plastic cement sleeve 11 successively in the lump through through hole 311, through hole 331 and screw 111 are screwed together.External power cord is realized with LED lamp panel 30 and is electrically connected (not shown) through aforementioned radiating seat 10, and this principle is existing mature technology, at this, this principle is not described in detail.
This lampshade 40 is transparent hemispherical shell; lampshade 40 is suitable with the upper surface of aforementioned radiating seat 10; on lampshade 40, be provided with hook part 41; hook groove 332 corresponding to being provided with on aforementioned heat-conducting plate 33; this hook part 41 is connected fixing with the mutual buckle of hook groove 332, and then covers aforementioned LED lamp panel 30 outward, and LED lamp panel 30 is played a very good protection; produce light by LED lamp body 32, light sees through this lampshade 40 and penetrates and spread.
Assembling process and using method that the present embodiment is described in detail in detail are as follows:
Assembling of the present invention is very simple, as Fig. 2, first, by radiating fin 12 and the 11 embedding and injection molding moulding of plastic cement sleeve, and the butt strip 122 of radiating fin 12 exposes to the upper surface of plastic cement sleeve 11, this heat-conducting plate 33 is butted on the butt strip 122 of radiating fin 12 and assembling forms a radiating seat 10 (as Fig. 3).Then, LED lamp panel 30 is positioned over to the upper surface of radiating seat 10, then use screw that LED lamp panel 30 is installed on radiating seat 10, then the hook part of lampshade 40 41 and the mutual buckle lock hook outer cover of hook groove 332 of heat-conducting plate 33 are lived to LED lamp panel 30, when installation, firmly can conveniently fasten to pressing down lampshade 40.Then, the upper end of lamp holder 20 is inserted in the lower end of plastic cement sleeve 11, and the hook part 211 of lamp holder 20 and the mutual buckle of the button hole of plastic cement sleeve 11 112 be connected, lamp holder 20 is installed in the lower end of radiating seat 10.LED lighting bulb after assembling as shown in Figure 1.
Using method of the present invention is also very simple, only lamp holder 20 need be installed in external plug and then be electrified, power supply and 30 conductings of LED lamp panel, LED lamp body 32 emits beam, light sees through lampshade 40 and irradiates out, the heat that simultaneously LED lamp body 32 produces is delivered in the main body 123 of radiating fin 12 and is dispelled the heat by heat-radiating substrate 31, heat-conducting plate 33 and butt strip 122 successively, heat forms good convection action by louvre 124 and gap 101, can be left rapidly, be extended the service life of LED lamp body 32.
Design focal point of the present invention is:
First, form this heat radiation pedestal by radiating fin being installed on plastic cement sleeve, can effectively reduce the use of heat sink material, lightweight, and can greatly reduce the manufacturing cost of radiating seat.And the insulating properties of utilizing plastic cement sleeve to have, make radiating seat possess good insulating properties, not needing to increase in addition insulator can install circuit board in radiating seat, also can further reduce manufacturing cost.And, utilize the butt strip of radiating fin to make the contact area of radiating fin and heat-conducting plate larger, thereby can increase the heating surface area of radiating fin, heat can be delivered on radiating fin fast, perfect heat-dissipating.
Secondly, utilize radiating fin to be connected with the moulding of plastic cement sleeve embedding and injection molding, make the simple and convenient assembly of the easy to process of this radiating seat and LED lighting bulb, and can further reduce the manufacturing cost of radiating seat and LED lighting bulb.
Moreover, utilize the louvre arranging on radiating fin can make heat form convection current, the speed that heat is left is faster, further can improve the heat dispersion of radiating seat.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong in the scope of technical solution of the present invention.
Claims (3)
1. a LED lighting bulb, include lamp holder, radiating seat, LED lamp panel and lampshade, this radiating seat is installed on the upper end of lamp holder, this LED lamp panel is installed on the upper surface of radiating seat, this lampshade covers LED lamp panel outward, it is characterized in that: described radiating seat includes plastic cement sleeve and radiating fin, described radiating fin is connected for inlaying injection moulding with plastic cement sleeve, this radiating fin outwardly radially array be installed on the periphery of plastic cement sleeve; And the upper end bending of this radiating fin is formed with a butt strip, this butt strip exposes to the upper surface of plastic cement sleeve, and the main body of this butt strip and radiating fin encloses and is formed with an opening up storage tank; This LED lamp panel is butted on butt strip, and this butt strip, for increasing the heating surface area of radiating fin, makes the heat of lamp panel be delivered on radiating fin and dispel the heat fast; Described LED lamp panel includes LED lamp body, heat-radiating substrate and heat-conducting plate, this LED lamp body is installed in the upper surface of heat-radiating substrate, this heat-radiating substrate is butted on the upper surface of heat-conducting plate, described heat-radiating substrate is provided with through hole, heat-conducting plate arranges through hole, plastic cement sleeve upper surface is provided with screw, screw is fixed on heat-radiating substrate and heat-conducting plate the upper surface of plastic cement sleeve successively in the lump through the through hole of the through hole of heat-radiating substrate, heat-conducting plate is connected with the screwhole spiro bonding of plastic cement sleeve, this heat-conducting plate is flush-mounted in storage tank and the bottom surface of heat-conducting plate contacts with aforementioned butt strip; Described lamp holder comprises insulator and metal shell, this insulator separates and is connected with plastic cement sleeve, the upper surface of this insulator has extended upward hook part, and the lower end of corresponding plastic cement sleeve is provided with button hole, and the hook part of this insulator is stretched in plastic cement sleeve and mutually fastened and be fixedly mounted with the button hole of plastic cement sleeve.
2. LED lighting bulb according to claim 1, is characterized in that: described butt strip and radiating fin main body are 90 ° of bendings.
3. LED lighting bulb according to claim 1, is characterized in that: in the main body of described radiating fin, be provided with heat radiation through hole, this heat radiation through hole strengthens the radiating effect of radiating fin for making heat form convection current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010194595.0A CN101846260B (en) | 2010-06-04 | 2010-06-04 | LED illumination bulb and heat dissipation seat thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010194595.0A CN101846260B (en) | 2010-06-04 | 2010-06-04 | LED illumination bulb and heat dissipation seat thereof |
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| Publication Number | Publication Date |
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| CN101846260A CN101846260A (en) | 2010-09-29 |
| CN101846260B true CN101846260B (en) | 2014-07-09 |
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| CN201010194595.0A Active CN101846260B (en) | 2010-06-04 | 2010-06-04 | LED illumination bulb and heat dissipation seat thereof |
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| WO2011160304A1 (en) * | 2010-06-25 | 2011-12-29 | 深圳市旭翔光电科技有限公司 | Led illumination bulb and heat dissipation seat thereof |
| CN102537700A (en) * | 2010-12-27 | 2012-07-04 | 富准精密工业(深圳)有限公司 | LED (light-emitting diode) lamp bulb |
| CN103492802B (en) * | 2011-04-11 | 2018-06-05 | 莫列斯公司 | Lamps and lanterns, cooling fin and hot biography system |
| CN102759026B (en) * | 2011-04-28 | 2015-01-21 | 东莞勤上光电股份有限公司 | Bulb and LED bulb radiating structure |
| JP5280496B2 (en) * | 2011-07-20 | 2013-09-04 | シャープ株式会社 | Lighting device |
| CN102691998B (en) * | 2012-04-28 | 2014-04-16 | 厦门阳光恩耐照明有限公司 | Lightweight insulating radiating structure and LED lamp having the same |
| US10156352B2 (en) * | 2013-04-19 | 2018-12-18 | Covestro Llc | In mold electronic printed circuit board encapsulation and assembly |
| CN104712930B (en) * | 2013-12-17 | 2019-06-14 | 朗德万斯公司 | A kind of modification lamp |
| CN103867946B (en) * | 2014-04-02 | 2016-03-23 | 东莞市中博光电节能科技有限公司 | A kind of nanometer reflection LED |
| TWI506227B (en) * | 2014-08-05 | 2015-11-01 | Lite On Technology Corp | Light-emitting device |
| CN104329652A (en) * | 2014-10-17 | 2015-02-04 | 安徽永旭照明科技有限公司 | LED (Light Emitting Diode) lamp with novel radiating structure |
| CN105423188A (en) * | 2015-12-23 | 2016-03-23 | 苏文藏 | LED lamp provided with cushion |
| WO2017107081A1 (en) * | 2015-12-23 | 2017-06-29 | 苏文藏 | Led lamp having cushion pad |
| CN106902474A (en) * | 2017-04-24 | 2017-06-30 | 深圳市和普利科技有限公司 | A kind of quantum light wave treats instrument |
| CN108361675A (en) * | 2018-03-31 | 2018-08-03 | 江苏泓睿德智能科技有限公司 | A kind of heat dissipation device of LED lamp and preparation method thereof |
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| CN101846260A (en) | 2010-09-29 |
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