CN201507822U - LED bulb with good heat radiation performance - Google Patents
LED bulb with good heat radiation performance Download PDFInfo
- Publication number
- CN201507822U CN201507822U CN2009202104620U CN200920210462U CN201507822U CN 201507822 U CN201507822 U CN 201507822U CN 2009202104620 U CN2009202104620 U CN 2009202104620U CN 200920210462 U CN200920210462 U CN 200920210462U CN 201507822 U CN201507822 U CN 201507822U
- Authority
- CN
- China
- Prior art keywords
- chrysanthemum
- radiator
- led bulb
- led
- fan housing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 230000005855 radiation Effects 0.000 title abstract description 7
- 241000723353 Chrysanthemum Species 0.000 claims abstract description 31
- 235000007516 Chrysanthemum Nutrition 0.000 claims abstract description 31
- 239000006185 dispersion Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000191 radiation effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 239000004411 aluminium Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a LED bulb with good heat radiation performance, which comprises a lamp cap. The lamp cap is connected with a draught cover through external threads arranged at the bottom part of the draught cover; a driver is arranged inside each external thread; a tubular heat radiator is arranged inside the draught cover; the upper side of the tubular heat radiator is connected with a chrysanthemum heat radiator; a LED lamp panel is arranged on the upper side of the chrysanthemum heat radiator; and the chrysanthemum heat radiator is connected with a lamp shade. The LED bulb is characterized in that a draught opening is formed on the lateral wall of the draught cover. The utility model has the advantages of novel appearance, practical and skilful structure, good heat radiation effect of a heat radiation system, simple component manufacturing process, lower cost and simple and easy operation of assembling processes, thereby having good price-to-performance ratio.
Description
Technical field
The utility model relates to the good LED bulb of a kind of heat dispersion, belongs to the lighting device technical field.
Background technology
At present, with LED is that light source is used for illumination, compare with fluorescent lamp etc. with conventional light source such as incandescent lamp have the luminous efficiency height, energy saving, advantage such as start-stop performance is superior, longevity is durable, safe and reliable, environmental protection, therefore obtain Application and Development widely, development is rapid, and various LED lamps arise at the historic moment.
Yet with existing LED bulb, have the contradiction of radiating effect and structure, technology and the cost etc. of radiator, promptly general its heat radiating fin structure of the radiator of good heat dissipation effect is comparatively complicated, and manufacture process requirement height, cost are also high.The radiating effect of cooling system is related to the quality and the life-span of whole LED lamp, therefore needs the LED bulb of a heat radiation of design and high comprehensive performance, is fit to the large-scale production and the market demand more.
Summary of the invention
The purpose of this utility model provides a kind of LED bulb, simple in structure, the good heat dissipation effect of its cooling system.
In order to achieve the above object, the technical solution of the utility model provides a kind of LED bulb with excellent heat dispersion performance, comprise lamp holder, lamp holder pulls out fan housing by being located at the external screw thread connection of pulling out the fan housing bottom, and external screw thread inside is provided with driver, pull out fan housing inside and be provided with tubular cooler, the tubular cooler upside connects the chrysanthemum radiator, and chrysanthemum radiator upside is provided with the LED lamp plate, and the chrysanthemum radiator connects lampshade, it is characterized in that, pull out fan housing minor diameter one distolateral wall and be provided with and pull out the air port.
Described lamp holder adopts the iron sheet punching press system of grinding of 0.2mm to form, and for outward appearance and the antirust lamp holder outer surface that requires have carried out zinc-plated processing, cap screw thread meets national standard E27.The shell of lamp holder is the ground wire input of mains supply, and top scolding tin end points is a power supply phase line input, has insulating barrier to cut apart between scolding tin end points and the shell, promptly import the ground wire of power supply and phase line thus insulating barrier cut apart.
The described fan housing that pulls out adopts colored PC material to make, and its end is short screwed pipe, and the external screw thread of screwed pipe is the E27 standard thread, is connected with lamp holder E27 screw thread, can not become flexible after adding glue and screwing again.Short screwed pipe is ined succession and is pulled out fan housing, and pulling out fan housing is a flaring case, the big mouthful of interior chrysanthemum radiator of installing of case, and uniform 4 of minor diameter one distolateral wall pulls out the air port, the heat of radiator can be pulled out the air port by these 4 and discharge.
Described tubular cooler is one to have the aluminum pipe of particular wall thickness, and its effect mainly is heat conduction and heat radiation.Tubular cooler draws processing by the aluminum pipe blank through broaching machine, outside dimension reaches the quality of fit of designing requirement, its end face also needs to meet the cooperation requirement of design through the processing plane requirement, these two required precisions are to be in contact with one another closelyr for it with the chrysanthemum radiator that matches, make the transmission of heat more effective, radiating effect is better.
Described chrysanthemum radiator is an aluminium matter pressing product, by aluminium sheet punching press, stretching, flange, shearing, moulding, make daisy_petal part shape dish shape spare, the chrysanthemum radiator bends up the part internal diameter by designing requirement controlling dimension precision, must there be the flatness requirement on the plane that contacts with the tubular cooler end face, to guarantee with the external diameter of tubular cooler and end face no-float and obtain desirable heat transfer effect.The characteristics of chrysanthemum radiator are that the air contact-making surface of daisy_petal part is big, the radiating effect excellence.
Described LED lamp plate is the printed circuit of substrate by an aluminium base, arranges the great power LED (or other form LED) of 3 ~ 5 pieces of 1W and the element of interlock circuit by designing requirement (requirements such as electrical power and luminous flux) on the printed circuit, becomes the LED assembly.The aluminium base of LED lamp plate is close to chrysanthemum radiator Plane Installation, and the heat when making LED work distributes effectively by aluminium base, radiator.
Select for use high-quality LED to drive special IC in the described driver design; the 220V AC power is through processing such as bridge rectifier, DC converting, filtering, current stabilization, short-circuit protections; the required steady operation electric current of output LED, thus make whole lamp obtain the service life that the works fine state guarantees that it is long.Driver is installed in and pulls out the short screwed pipe inner tubular of fan housing zone.
Described lampshade adopts optical grade PC material, and adds optics assistant, stabilizing agent and reinforcing agent etc., and injection mo(u)lding forms, and has overall merits such as lightly firm, that heatproof is stable, light is good thoroughly.
The beneficial effects of the utility model are, have novel profile, and practicality is structure cleverly, the cooling system that radiating effect is good, and the member manufacturing process is simple, and cost is lower, and operation is simple for linkage editor, so product can obtain good cost performance.
Description of drawings
Fig. 1 is the LED bulb structure schematic diagram with excellent heat dispersion performance;
Fig. 2 is the LED bulb explosive view with excellent heat dispersion performance.
The specific embodiment
Specify the utility model below in conjunction with accompanying drawing.
Embodiment
As shown in Figure 1, be the good LED bulb structure schematic diagram of heat dispersion, Fig. 2 is its explosive view.The good LED bulb of described heat dispersion by lamp holder 1, pull out fan housing 2, external screw thread 201, pull out air port 202, tubular cooler 3, chrysanthemum radiator 4, LED lamp plate 5, driver 6 and lampshade 7 form.
The external screw thread 201 that pulls out fan housing 2 is connected with the E27 screw thread of lamp holder 1, the fit clearance that is threaded is smaller, and is unexpected loosening in order to prevent, can screw the preceding thread cooperation place in assembling and add and be coated with adhesive glue, can after screw, screw thread not have the screw thread place at lamp holder 1 port and press locking in a state of excitement with point yet.
Chrysanthemum radiator 4 is aluminium matter pressing products, is installed on an end of tubular cooler 3.With tubular cooler 3 external diameters be interference fit, there is the flatness requirement on the plane that contacts with tubular cooler 3 end faces, two planes fit tightly mutually during assembling, chrysanthemum radiator 4 is combined into an integral body with tubular cooler 3 like this, becomes a radiator efficiently.Chrysanthemum radiator 4 has 12 daisy_petal part fin, they bend up angle near pulling out fan housing 2 bell mouth angles, the usefulness of 3 daisy_petal parts as fastening lampshades 7 is arranged, all the other daisy_petal parts are fixed on entire radiator by epoxide-resin glue and pull out on the fan housing 2.
Heat radiation approach during the work of whole LED bulb: the aluminium base of the heat transferred LED lamp plate 5 when LED lights, again by heat-conducting glue or be directly passed to chrysanthemum radiator 4, the heat part of chrysanthemum radiator 4 is distributed by the daisy_petal part fin, and remainder passes to tubular cooler 3 and distributes to the pipe external space.Because that pulls out fan housing 2 tops pulls out air port 202, add neutral between the chrysanthemum radiator 3 daisy_petal part fin, formed the passage of the air gravity-flow ventilation of up/down perforation, more because pull out the horn shape of fan housing 2, what produced similar chimney pulls out the wind effect, strengthened the heat sinking function of this LED bulb heat radiation device greatly, thus the performance and the service life of having improved this LED bulb.
The installation of lampshade 7 is inwardly to bend up in the groove that embeds lampshade 7 cover mouths by 3 uniform on the chrysanthemum radiator 4 daisy_petal parts to be fixed on the chrysanthemum radiator 4.
In sum, LED bulb of the present utility model has simple and practical structure, and zero member manufacturing and assembly technology are simple, utilize gravity-flow ventilation cleverly and pull out the cooling system of wind principle, can obtain the good quality production cost performance.
Claims (1)
1. LED bulb that heat dispersion is good, comprise lamp holder (1), lamp holder (1) pulls out fan housing (2) by being located at external screw thread (201) connection of pulling out fan housing (2) bottom, external screw thread (201) inside is provided with driver (6), pull out fan housing (2) inside and be provided with tubular cooler (3), tubular cooler (3) upside connects chrysanthemum radiator (4), chrysanthemum radiator (4) upside is provided with LED lamp plate (5), chrysanthemum radiator (4) connects lampshade (7), it is characterized in that, pull out fan housing (2) minor diameter one distolateral wall and be provided with and pull out air port (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202104620U CN201507822U (en) | 2009-09-29 | 2009-09-29 | LED bulb with good heat radiation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202104620U CN201507822U (en) | 2009-09-29 | 2009-09-29 | LED bulb with good heat radiation performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507822U true CN201507822U (en) | 2010-06-16 |
Family
ID=42468949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202104620U Expired - Fee Related CN201507822U (en) | 2009-09-29 | 2009-09-29 | LED bulb with good heat radiation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507822U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126174A1 (en) * | 2011-03-21 | 2012-09-27 | 上海嘉塘电子有限公司 | Led lighting lamp |
| WO2012139358A1 (en) * | 2011-04-14 | 2012-10-18 | 厦门阳光恩耐照明有限公司 | Led light bulb |
| CN102853293A (en) * | 2011-06-29 | 2013-01-02 | 罗姆股份有限公司 | led light bulb |
| CN108506753A (en) * | 2018-04-27 | 2018-09-07 | 佛山电器照明股份有限公司 | A kind of bulb lamp heat radiating cup and its processing method and a kind of bulb lamp |
-
2009
- 2009-09-29 CN CN2009202104620U patent/CN201507822U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126174A1 (en) * | 2011-03-21 | 2012-09-27 | 上海嘉塘电子有限公司 | Led lighting lamp |
| WO2012139358A1 (en) * | 2011-04-14 | 2012-10-18 | 厦门阳光恩耐照明有限公司 | Led light bulb |
| CN102853293A (en) * | 2011-06-29 | 2013-01-02 | 罗姆股份有限公司 | led light bulb |
| CN102853293B (en) * | 2011-06-29 | 2015-08-19 | 罗姆股份有限公司 | led light bulb |
| CN108506753A (en) * | 2018-04-27 | 2018-09-07 | 佛山电器照明股份有限公司 | A kind of bulb lamp heat radiating cup and its processing method and a kind of bulb lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20110929 |