CN102563429B - LED bulb - Google Patents
LED bulb Download PDFInfo
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- CN102563429B CN102563429B CN201210019183.2A CN201210019183A CN102563429B CN 102563429 B CN102563429 B CN 102563429B CN 201210019183 A CN201210019183 A CN 201210019183A CN 102563429 B CN102563429 B CN 102563429B
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- Prior art keywords
- substrate
- light source
- source assembly
- led
- fin
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- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 230000005855 radiation Effects 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000007817 Olea europaea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED bulb, which comprises a bulb holder, an upper shade, a lower shade, a power driver, a metal radiator, an LED light source component, a reflector and a transparent cover. The bottom of the upper shade and the top of the lower shade are connected to form an enclosed space used as a driver holding cavity, the power driver is arranged in the driver holding cavity, the bottom of the lower shade is connected with the metal radiator, the metal radiator mainly consists of a substrate, an upper radiating component and a lower radiating component, the upper radiating component is disposed on the upper surface of the substrate, and the lower radiating component is arranged on the lower surface of the substrate. The LED bulb has the advantages that the lower shade is positioned between the power driver and the metal radiator and separates the power driver from the metal radiator, and accordingly, a safety performance can be effectively improved; and both the upper radiating component and the lower radiating component are hollow polyhedron structures, so that heat generated by an LED can be effectively conducted to the upper radiating component as the hollow polyhedron structure to be dissipated outwards via the lower radiating component as the hollow polyhedron structure, and a radiating effect is improved.
Description
Technical field
The present invention relates to a kind of LED semiconductor luminaire, especially relate to a kind of LED bulb.
Background technology
LED lamp is as light source of new generation, the features such as volume is little, efficiency is high, long service life that it has.The luminous component of traditional LED bulb is placed in the cell-shell of sealing conventionally, has so greatly affected the heat dispersion of lamp body.At present, common LED bulb is mainly comprised of lamp holder, plastic lamp base, power supply driver, metal heat sink, LED light source assembly and diffuser, lamp holder is connected with the top of plastic lamp base, the bottom of plastic lamp base and metal heat sink snapping, power supply driver is arranged in metal heat sink, although the more traditional LED bulb of the heat dispersion of this LED bulb has obtained certain improvement, but still have much room for improvement, therefore LED power is difficult to do greatly, and light output is low, is difficult to meet customer requirement; On the other hand because power supply driver is arranged in metal heat sink, so security performance is not high.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple in structure, security performance is high, the LED bulb of good heat dissipation effect.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of LED bulb, comprise lamp holder, upper cover, lower cover, power supply driver, metal heat sink, LED light source assembly, reflecting piece and translucent cover, described lamp holder is connected with the top of described upper cover, driver storing chamber of space formation that the bottom of the upper cover described in it is characterized in that is connected with the top of described lower cover and surrounds, described power supply driver is arranged at described driver and puts in chamber, the bottom of described lower cover is connected with described metal heat sink, described metal heat sink is mainly by substrate, the lower radiating subassembly that is arranged at the upper radiating subassembly on the upper surface of described substrate and is arranged on the lower surface of described substrate forms, on described substrate, be provided with axially extending bore, described upper radiating subassembly is mainly comprised of upper surface circle distribution and the mutual disjunct radiating block of the substrate described in a plurality of edges, the axis of the length direction of described radiating block parallels with the radius of described substrate, space between described radiating block forms radiating area, described radiating area is connected with described axially extending bore, described lower radiating subassembly is mainly comprised of lower surface circle distribution and the mutual disjunct fin of the substrate described in a plurality of edges, the front surface of described fin is outside, the space surrounding between the back of the body surface of described fin forms heat radiation chamber, described heat radiation chamber is connected with described axially extending bore, gap between the side of described fin forms heat dissipation channel, described heat dissipation channel is connected with described heat radiation chamber, described LED light source assembly is connected on the front surface of described fin, described reflecting piece is connected on described LED light source assembly, the reflective surface of described reflecting piece is outside, between the bottom of the substrate described in described translucent cover is connected in and described fin, described translucent cover covers described reflecting piece and described LED light source assembly.
The making material that described lower cover adopts is insulating materials, the base plate that described lower cover is mainly connected by the bottom of housing and housing with described forms, the top of described housing is connected with the bottom of described upper cover, and described base plate is connected with described metal heat sink.
On the medial surface of described base plate, be provided with a plurality of insulating supporting pin, described power supply driver is placed on described insulating supporting pin.
On described base plate, to downward-extension, be provided with first fixing lug boss with fixing hole, on described substrate, extend upward and be provided with second fixing lug boss with fixing hole, the position of the first described fixing lug boss is corresponding with the position of the second described fixing lug boss, in the fixing hole of the fixing hole of the first described fixing lug boss and the second described fixing lug boss, be jointly connected with securing member, described base plate is fixedly connected with described substrate by described securing member.
The height sum of the height of the first described fixing lug boss and the second described fixing lug boss is more than or equal to the height of described radiating block.
The two side ends of described fin is connected with respectively side plate, the space that side plate described in the front surface of described fin and two surrounds forms a light source assembly and puts chamber, described LED light source assembly is positioned at described light source assembly and puts chamber, and the side plate described in contiguous two is not connected mutually.
The outside end face of described side plate is arcwall face, and the inner surface of described translucent cover is arcwall face, and the inner surface of described translucent cover contacts with the outside end face of described side plate.
The bottom of described fin stretches out and is provided with flange, and the two ends of described flange are connected with the bottom of described side plate, the medial surface phase apical grafting of the bottom of described reflecting piece and described flange.
On described substrate, be provided with vertically locking through hole, described locking through hole puts chamber with described light source assembly respectively and described radiating area is connected, the inside top of described translucent cover is provided with Access Division, matches with described locking through hole in described Access Division.
On the reflective surface of described reflecting piece, be provided with highly reflecting films layer, in described reflecting piece, run through its reflective surface and the back side and be provided with the spacing hole that the LED for the LED light source assembly with described matches, the LED of described LED light source assembly is connected with described reflecting piece through described spacing hole.
compared with prior art, the invention has the advantages that:
1, power supply driver being placed in to the driver being surrounded by upper cover and lower cover puts in chamber, make lower cover between power supply driver and metal heat sink, played insulating power supply driver and metal heat sink and fixing effect has been installed, because power supply driver and metal heat sink are isolated completely, therefore can effectively improve security performance.
2, because the upper radiating subassembly of metal heat sink is formed and is formed the polyhedral structure of hollow by a plurality of upper surface circle distribution along substrate and mutual disjunct radiating block, the lower radiating subassembly of metal heat sink is formed and is formed the polyhedral structure of hollow by a plurality of lower surface circle distribution along substrate and mutual disjunct fin, the lower radiating subassembly heat of the heat that therefore can effectively LED be produced by hollow polyhedron structure is transmitted to outwards heat radiation in the upper radiating subassembly of hollow polyhedron structure, area of dissipation is larger, metal heat sink is discharged in the upper and lower convection current of hot-air of recycling metal heat sink inside, realized lamp body quick heat radiating, improved radiating effect, not only extended the service life of LED bulb, and be beneficial to the heat radiation of high-power LED.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of LED bulb of the present invention;
Fig. 2 is the decomposition texture schematic diagram of LED bulb of the present invention;
Fig. 3 is the structural representation one of the metal heat sink of LED bulb of the present invention;
Fig. 4 is the structural representation two of the metal heat sink of LED bulb of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
A kind of LED bulb that the present invention proposes, as shown in the figure, it comprises lamp holder 1, upper cover 2, lower cover 4, power supply driver 3, metal heat sink 5, LED light source assembly 6, reflecting piece 7 and translucent cover 8, lamp holder 1 is connected with the screw top of upper cover 2, driver storing chamber 31 of space formation that the bottom of upper cover 2 is connected with the top of lower cover 4 and surrounds, power supply driver 3 is arranged at driver and puts in chamber 31, form insulation, the protection of safety, the bottom of lower cover 4 is connected with metal heat sink 5, metal heat sink 5 is mainly by substrate 51, the lower radiating subassembly 53 that is arranged at the upper radiating subassembly 52 on the upper surface of substrate 51 and is arranged on the lower surface of substrate 51 forms, on substrate 51, be provided with axially extending bore 511, upper radiating subassembly 52 is mainly comprised of a plurality of upper surface circle distribution along substrate 51 and mutual disjunct radiating block 521, the axis of the length direction of radiating block 521 parallels with the radius of substrate 51, space between radiating block 521 forms radiating area 522, radiating area 522 is connected with axially extending bore 511, lower radiating subassembly 53 is mainly comprised of four lower surface circle distribution along substrate 51 and mutual disjunct fin 531, the front surface of fin 531 is outside, the space surrounding between the back of the body surface of four fin 531 forms heat radiation chamber 532, heat radiation chamber 532 is connected with axially extending bore 511, gap between the side of fin 531 forms heat dissipation channel 533, heat dissipation channel 533 is connected with heat radiation chamber 532, LED light source assembly 6 is connected on the front surface of fin 531, reflecting piece 7 is connected on LED light source assembly 6, the reflective surface of reflecting piece 7 is outside, translucent cover 8 is connected between substrate 51 and the bottom of fin 531, translucent cover 8 covers reflecting piece 7 and LED light source assembly 6, LED light source assembly 6 is connected with power supply driver 3.At this, after power supply driver 3 is fixing, can first be connected with LED light source assembly 6, also can first the lower cover 4 that fixes power supply driver 3 be connected with upper cover 2, flexible for installation.At this, heat dissipation channel 533, heat radiation chamber 532 are connected with radiating area 522, can form upper and lower cross-ventilation.
In this specific embodiment, lower cover 4 adopts insulating materials to make, due to the built-in inside of being fixed on lower cover 4 of power supply driver 3, and lower cover 4 adopts insulating materials to make, therefore the mode of this employing insulating materials insulating power supply driver 3 is placed in the mode in the cavity of metal heat sink than power supply driver, safer.
In this specific embodiment, the base plate 42 that lower cover 4 is mainly connected with bottom with housing 41 by housing 41 forms, and the top of housing 41 is connected with the bottom of upper cover 2, and base plate 42 is connected with metal heat sink 5.At this, upper cover 2 can adopt common plastics to make, and between upper cover 2 and housing 41, adopts buckle mode to be fastened and connected.
In this specific embodiment, on the medial surface of base plate 42, be provided with a plurality of insulating supporting pin 43, power supply driver 3 is placed on insulating supporting pin 43, can make like this power supply driver 3 better with the isolation effect of metal heat sink 5.
In this specific embodiment, on base plate 42, to downward-extension, be provided with first fixing lug boss 44 with fixing hole, on substrate 51, extend upward and be provided with second fixing lug boss 512 with fixing hole, the position of the first fixing lug boss 44 is corresponding with the position of the second fixing lug boss 512, in the fixing hole of the fixing hole of the first fixing lug boss 44 and the second fixing lug boss 512, be jointly connected with securing member 45, base plate 42 is fixedly connected with substrate 51 by securing member 45.At this, securing member 45 adopts screw etc., and the base plate 42 of lower cover 4 is fixedly connected with metal heat sink 5 by screw, compares with the snapping mode of metal heat sink with the plastic lamp base in existing LED bulb, safer, more firm; In actual design process, the height sum of the height of the first fixing lug boss 44 and the second fixing lug boss 512 can be designed to be more than or equal to the height of radiating block 521, when the height of the first fixing lug boss 44 and the height sum of the second fixing lug boss 512 are greater than the height of radiating block 521, area of dissipation also increases accordingly.
In this specific embodiment, the two side ends of fin 531 is connected with respectively side plate 534, the front surface of fin 531 and two light source assembly storing chambeies 535 of space formation that side plate 534 surrounds, LED light source assembly 6 is positioned at light source assembly and puts chamber 535, two blocks of contiguous side plates 534 are not connected mutually, the outside end face of side plate 534 is arcwall face, and the inner surface of translucent cover 8 is arcwall face, and the inner surface of translucent cover 8 contacts with the outside end face of side plate 534; The bottom of fin 531 stretches out and is provided with flange 536, and the two ends of flange 536 are connected with the bottom of side plate 534, the medial surface phase apical grafting of the bottom of reflecting piece 7 and flange 536.
In this specific embodiment, on substrate 51, be provided with vertically locking through hole 513, locking through hole 513 puts chamber 535 with light source assembly respectively and radiating area 522 is connected, the inside top of translucent cover 8 is provided with Access Division 81, match with locking through hole 513 in Access Division 81, the heat that the LED of LED light source assembly 6 produces is transmitted in radiating area 522 and is outwards distributed by locking through hole 513.
In this specific embodiment, by adopting the high transparent material of light transmittance, make translucent cover 8, and highly reflecting films layer is set on the reflective surface of reflecting piece 7, can further improve the luminous efficiency of LED, to realize high safety, the long-life of LED bulb, the object of high light efficiency; In reflecting piece 7, run through its reflective surface and the back side and be provided with the spacing hole 71 matching for the LED with LED light source assembly 6, the LED of LED light source assembly 6 is connected with reflecting piece 7 through spacing hole 71.
In this specific embodiment, LED light source assembly 6 comprises holder 61 and LED 62, and LED 62 is fixed on holder 61, is provided with two sheet metals 63 that are connected with two pins of LED 62 respectively on holder 61, and sheet metal 63 is connected with power supply driver 3.
In this specific embodiment, the profile of this LED bulb can be designed to candle or circle or mushroom-shaped or olive shape according to consumer demand.
Claims (8)
1. a LED bulb, comprise lamp holder, upper cover, lower cover, power supply driver, metal heat sink, LED light source assembly, reflecting piece and translucent cover, described lamp holder is connected with the top of described upper cover, driver storing chamber of space formation that the bottom of the upper cover described in it is characterized in that is connected with the top of described lower cover and surrounds, described power supply driver is arranged at described driver and puts in chamber, the bottom of described lower cover is connected with described metal heat sink, described metal heat sink is mainly by substrate, the lower radiating subassembly that is arranged at the upper radiating subassembly on the upper surface of described substrate and is arranged on the lower surface of described substrate forms, on described substrate, be provided with axially extending bore, described upper radiating subassembly is mainly comprised of upper surface circle distribution and the mutual disjunct radiating block of the substrate described in a plurality of edges, the axis of the length direction of described radiating block parallels with the radius of described substrate, space between described radiating block forms radiating area, described radiating area is connected with described axially extending bore, described lower radiating subassembly is mainly comprised of lower surface circle distribution and the mutual disjunct fin of the substrate described in a plurality of edges, the front surface of described fin is outside, the space surrounding between the back of the body surface of described fin forms heat radiation chamber, described heat radiation chamber is connected with described axially extending bore, gap between the side of described fin forms heat dissipation channel, described heat dissipation channel is connected with described heat radiation chamber, described LED light source assembly is connected on the front surface of described fin, described reflecting piece is connected on described LED light source assembly, the reflective surface of described reflecting piece is outside, between the bottom of the substrate described in described translucent cover is connected in and described fin, described translucent cover covers described reflecting piece and described LED light source assembly, the making material that described lower cover adopts is insulating materials, the base plate that described lower cover is mainly connected by the bottom of housing and housing with described forms, the top of described housing is connected with the bottom of described upper cover, and described base plate is connected with described metal heat sink, on described base plate, to downward-extension, be provided with first fixing lug boss with fixing hole, on described substrate, extend upward and be provided with second fixing lug boss with fixing hole, the position of the first described fixing lug boss is corresponding with the position of the second described fixing lug boss, in the fixing hole of the fixing hole of the first described fixing lug boss and the second described fixing lug boss, be jointly connected with securing member, described base plate is fixedly connected with described substrate by described securing member.
2. a kind of LED bulb according to claim 1, is provided with a plurality of insulating supporting pin on the medial surface of the base plate described in it is characterized in that, described power supply driver is placed on described insulating supporting pin.
3. a kind of LED bulb according to claim 1, the height of the radiating block described in the height sum of the height that it is characterized in that the first described fixing lug boss and the second described fixing lug boss is more than or equal to.
4. a kind of LED bulb according to claim 1 and 2, the two side ends that it is characterized in that described fin is connected with respectively side plate, the space that side plate described in the front surface of described fin and two surrounds forms a light source assembly and puts chamber, described LED light source assembly is positioned at described light source assembly and puts chamber, and the side plate described in contiguous two is not connected mutually.
5. a kind of LED bulb according to claim 4, is characterized in that the outside end face of described side plate is arcwall face, and the inner surface of described translucent cover is arcwall face, and the inner surface of described translucent cover contacts with the outside end face of described side plate.
6. a kind of LED bulb according to claim 5, the bottom of the fin described in it is characterized in that stretches out and is provided with flange, the two ends of described flange are connected with the bottom of described side plate, the medial surface phase apical grafting of the bottom of described reflecting piece and described flange.
7. a kind of LED bulb according to claim 6, it is characterized in that being provided with vertically locking through hole on described substrate, described locking through hole puts chamber with described light source assembly respectively and described radiating area is connected, the inside top of described translucent cover is provided with Access Division, matches with described locking through hole in described Access Division.
8. a kind of LED bulb according to claim 7, on the reflective surface of the reflecting piece described in it is characterized in that, be provided with highly reflecting films layer, in described reflecting piece, run through its reflective surface and the back side and be provided with the spacing hole that the LED for the LED light source assembly with described matches, the LED of described LED light source assembly is connected with described reflecting piece through described spacing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210019183.2A CN102563429B (en) | 2012-01-20 | 2012-01-20 | LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210019183.2A CN102563429B (en) | 2012-01-20 | 2012-01-20 | LED bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102563429A CN102563429A (en) | 2012-07-11 |
| CN102563429B true CN102563429B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210019183.2A Expired - Fee Related CN102563429B (en) | 2012-01-20 | 2012-01-20 | LED bulb |
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| Country | Link |
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| CN (1) | CN102563429B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605445A (en) * | 2015-12-17 | 2016-05-25 | 厦门通士达照明有限公司 | LED bulb lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202733556U (en) * | 2012-08-06 | 2013-02-13 | 史杰 | Plug type LED (Light Emitting Diode) bulb |
| CN103912798B (en) * | 2013-01-07 | 2016-12-28 | 上虞市正和照明科技有限公司 | Wide-angle luminescence type of respiration cooling LED bulb |
| CN105318208A (en) * | 2014-06-27 | 2016-02-10 | 欧普照明电器（中山）有限公司 | LED lamp |
| CN105042359A (en) * | 2015-06-25 | 2015-11-11 | 吴静 | Split LED bulb |
| CN108006452B (en) * | 2017-11-29 | 2020-02-21 | 东莞市佳盟照明科技有限公司 | Big ball bubble lamp of built-in power |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100580313C (en) * | 2008-08-27 | 2010-01-13 | 深圳市中电照明股份有限公司 | LED bulb |
| CN201772286U (en) * | 2010-05-26 | 2011-03-23 | 苏州久腾光电科技有限公司 | LED lamp bulb |
| CN101893180B (en) * | 2010-08-17 | 2012-08-01 | 史杰 | LED lamp bulb |
| CN201992405U (en) * | 2011-02-16 | 2011-09-28 | 浙江上光照明有限公司 | Light-emitting diode (LED) energy saving lamp |
| CN102147068A (en) * | 2011-04-13 | 2011-08-10 | 东南大学 | LED lamp capable of replacing compact fluorescent lamp |
| CN202452201U (en) * | 2012-01-20 | 2012-09-26 | 浙江阳光照明电器集团股份有限公司 | LED lamp bulb |
-
2012
- 2012-01-20 CN CN201210019183.2A patent/CN102563429B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605445A (en) * | 2015-12-17 | 2016-05-25 | 厦门通士达照明有限公司 | LED bulb lamp |
| CN105605445B (en) * | 2015-12-17 | 2018-10-02 | 厦门通士达照明有限公司 | LEDbulb lamp |
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| Publication number | Publication date |
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| CN102563429A (en) | 2012-07-11 |
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Effective date of registration: 20190711 Address after: 312300 127 Fengshan Road, Bai Guan Street, Shangyu District, Shaoxing, Zhejiang. Co-patentee after: ANHUI SUNSHINE LIGHTING APPLIANCE Co.,Ltd. Patentee after: ZHEJIANG YANKON URBAN LIGHTING ENGINEERING CO.,LTD. Co-patentee after: ZHEJIANG YANKON GROUP. Co.,Ltd. Address before: 312300 No. 485 Fengshan Road, Shangyu City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG YANKON GROUP. Co.,Ltd. |
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