CN202266860U - LED (Light-emitting Diode) lamp bulb - Google Patents

LED (Light-emitting Diode) lamp bulb Download PDF

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Publication number
CN202266860U
CN202266860U CN2011203267497U CN201120326749U CN202266860U CN 202266860 U CN202266860 U CN 202266860U CN 2011203267497 U CN2011203267497 U CN 2011203267497U CN 201120326749 U CN201120326749 U CN 201120326749U CN 202266860 U CN202266860 U CN 202266860U
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CN
China
Prior art keywords
heat transfer
radiator
led
mounting plane
heat
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
Application number
CN2011203267497U
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Chinese (zh)
Inventor
郑军
苏颖耿
吴传洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUANGSHAN BEICHUAN ELECTRONIC TECHNOLOGY CO LTD
Huangshan Guangyuan Photoelectric Technology Co Ltd
Original Assignee
HUANGSHAN BEICHUAN ELECTRONIC TECHNOLOGY CO LTD
Huangshan Guangyuan Photoelectric Technology Co Ltd
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Application filed by HUANGSHAN BEICHUAN ELECTRONIC TECHNOLOGY CO LTD, Huangshan Guangyuan Photoelectric Technology Co Ltd filed Critical HUANGSHAN BEICHUAN ELECTRONIC TECHNOLOGY CO LTD
Priority to CN2011203267497U priority Critical patent/CN202266860U/en
Application granted granted Critical
Publication of CN202266860U publication Critical patent/CN202266860U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to lamp fitting. The LED lamp bulb comprises a lamp head, a diffuser and a heat transfer body, wherein one end of the heat transfer body is connected with the lamp head, and the other end of the heat transfer body is connected with a radiator; an installation plane is arranged on the surface, between the radiator and the lamp head, of the heat transfer body; an LED light source assembly is arranged on the installation plane; and the diffuser is covered on the LED light source assembly. One purpose of the utility model is to provide the LED lamp bulb with good radiating effects to solve the problem that the heat dissipation potential of the current LED lamp bulb is poor. Another purpose of the utility model is to provide the LED lamp bulb, a lighting area of which lies in a rear lower area of the lamp head, to solve the problem that the lighting effects are not ideal, when the lamp head of the current lamp bulb is vertically arranged in the lamp fitting with the requirements of downwards irradiating the light.

Description

The LED bulb
Technical field
The utility model relates to light fixture, relates in particular to a kind of LED bulb, belongs to lighting field.
Background technology
Because LED has that volume is little, power consumption is low, long service life, high brightness, environmental protection and advantage such as sturdy and durable, in light fixture, is widely used.
Wherein the version of LED bulb is that the heat transfer body is installed on lamp holder, and the led light source assembly is installed on the heat transfer body, and the illuminator with heat transfer unit and led light source assembly formation is installed in formation in the translucent cover (lampshade) then.
In the one Chinese patent application publication No. is CN101893180A; Name is called in the patent documentation of " a kind of LED bulb " and discloses a kind of LED bulb; Bulb in this patent comprises lamp holder, lamp socket, lampshade, radiator and is installed in the driver in the radiator; On bulb, be provided with independently little light-emitting zone; Little light-emitting zone constitutes with the led light source assembly and the reflection shield that are installed on the independent radiator by being arranged on the independent radiator of radiator away from an end of lamp holder, and lampshade is connected on the radiator and all independently little light-emitting zones are all covered on together.Independently little light-emitting zone in this patent places the top of bulb and is arranged in periphery so that light to around the irradiation, radiator is between light-emitting zone and lamp holder.
At the Chinese patent Granted publication number is CN201636612U; Name is called in the patent documentation of " new and effective cooling LED bulb " and also discloses a kind of LED bulb; Bulb in this patent comprises lamp holder and the Transparent lamp shade that links together; In lampshade, be provided with a polyhedron that is connected on the lamp holder, LED lamp pearl is installed on polyhedral each surface.Wherein polyhedron is the strip column, in order to increase radiating effect, between lampshade and lamp holder, is provided with ceramic block and assists lamp holder to dispel the heat.
Existing LED bulb all is to be similar to disclosed version in above-mentioned two patent documents.Not enough below the general existence: the field of illumination all is the zone, front upper place of lamp holder; When the lamp holder of bulb is uprightly being installed down and is being required that (like floor lamp) uses in the light fixture of light irradiation downwards; Very dark in the bigger zone of light fixture periphery, illuminating effect is poor; Heat radiation all is to carry out through lamp holder and the radiating piece between lamp holder and luminous zone; And in actual use lamp holder be connected on the light fixture and be positioned at the light fixture attaching parts inside, also be that lamp holder is in totally-enclosed or semi-enclosed state; The flowability of the air that the effective area that thermal component contacts with air is less and thermal component is peripheral is poor, causes the heat-sinking capability of bulb poor, service life is short.
The utility model content
A purpose of the utility model aims to provide a kind of LED bulb of good heat dissipation effect, solves the problem of existing LED bulb heat radiation ability.
Another purpose of the utility model aims to provide the LED bulb that a kind of field of illumination is positioned at the back lower area of lamp holder, solves existing lamp holder when uprightly installing down and require to use in the downward light fixture that shines of light, the unfavorable problem of illuminating effect.
Above technical problem solves through following technical proposal: a kind of LED bulb; Comprise lamp holder, lampshade and heat transfer body; Said heat transfer body one end is connected with said lamp holder, the other end is connected with radiator; Said heat transfer body on the surface between said radiator and the said lamp holder, be provided with mounting plane, the led light source assembly is installed on the said mounting plane, said lampshade covers on the said led light source assembly.Through mounting plane being set on the side of heat transfer body and the led light source assembly being installed on this mounting plane; In the use; Heat passes to radiator through the heat transfer body and assists lamp holder to dispel the heat together; Because radiator is positioned at the end away from lamp holder, so radiator is exposed fully in air, carries out open heat radiation.Mounting plane can be for one or more.
As preferably, said mounting plane is the inclined-plane that tilts towards said lamp holder.When bulb uses when lamp holder is uprightly being installed down and require in the light fixture of light irradiation downwards, the light that makes bulb towards the back lower place of lamp holder to shining, to improve the illuminating effect of this type of light fixture.This kind structure can make the illumination efficiency of bulb improve, and promptly when LED lamp pearl quantity was identical with brightness, the bulb of this structure can make the brightness of field of illumination higher.
As preferably, said mounting plane has three at least, and said mounting plane is along circumferentially being distributed on the said heat transfer body.Usually the lighting angle of LED lamp pearl is 120 °; So through changing the corner dimension between three mounting planes, making with the bulb is that segment angle 360 degree of field of illumination at center are adjustable, to satisfy the requirement of different field of illuminations size; Under the constant situation of lamp pearl, to improve illumination efficiency.
As preferably, said heat transfer body is the prismoid that an end is big, the other end is little at said radiator place, and each side of said heat transfer body forms a said mounting plane respectively.Uniqueness simple in structure and novelty is easy to process.
As preferably, on each said mounting plane all independent installation diffuser is arranged.Independent installation diffuser all on each mounting plane when the bulb size is identical, can make that the area of single diffuser is less, and diffuser is difficult for by damaged during use, and the diffuser on bulb can separately be changed, and has reduced maintenance cost.
As preferably, all be provided with the installation heat sink strip at the position between two adjacent said mounting planes of said heat transfer body, said diffuser is installed between two adjacent said installation heat sink strips correspondingly." installation heat sink strip " be meant not only be used for installing and fixing translucent cover, but also be used for increasing the strip projected parts structure heat transfer body and contact area air.Make things convenient for when making not only that through the design and installation heat sink strip translucent cover is installed on the heat transfer body, and can also improve the area of dissipation of heat transfer body, the heat-sinking capability of enhance heat transfer body.
As preferably, said mounting plane is provided with reflection shield.The light that the directive diffuser is inner reflects away through reflection shield, to increase the illumination efficiency of the utility model.
As preferably, said heat transfer body is a tubular structure, and said radiator filler cap is located on the end of said heat transfer body, and it is protruding that the end face away from an end of said heat transfer body of said radiator is provided with heat radiation.The heat transfer body is designed to tubular structure, can saves material and reduce deadweight.Design heat radiation convexity can enlarge area of dissipation, increases radiating effect.
As preferably, said heat radiation convexity is a laminated structure, and the protruding free end of said heat radiation is positioned on the same sphere.Make the area of dissipation and the maximization of heat radiation angle that an end is a radiating end that expose of radiator, the heat that is delivered on the radiator can be scattered away apace.
As preferably, be provided with radiator fan in the said heat transfer body, an end that is positioned at said lamp holder of said heat transfer body is provided with fresh air inlet, and said radiator is provided with exhaust vent.The heat of heat transfer body interior is scattered and disappeared away fast, can quicken the flowing velocity of the air of spreader surface simultaneously, play the effect that improves radiating efficiency.
As preferably, the inner surface of said heat transfer body is provided with the heat sink strip that extends vertically.Increase the internal surface area of heat transfer body, make and taken away by the air of internal flow more apace in the heat, simultaneously heat is delivered on the radiator more apace and scatters out.
The utlity model has following advantage,, and in preferred version, the heat radiation raised line is set, thereby increased the heat-sinking capability and the radiating effect of bulb in the outer end of radiator through tip designs radiator at bulb; With mounting plane design mounting plane on the side of bulb and in preferred version that the led light source assembly is installed be the inclined-plane that tilts towards lamp holder, and bulb is installed in lamp holder in descending vertically installed light fixture the time, and radiation response is good; Design a plurality of mounting planes that circumferentially are distributed on the heat transfer body, and on this plane, the led light source assembly is installed, can satisfy the lighting requirement of different angles; On the heat transfer body, be provided with the heat conduction bar is installed, increased the area of dissipation of heat transfer body, increased the overall heat-sinking capability of bulb.
Description of drawings
Fig. 1 is the sketch map of the utility model embodiment one.
Fig. 2 is A-A schematic cross-section of Fig. 1.
Fig. 3 is the user mode sketch map of embodiment one.
Fig. 4 is the sketch map of the utility model embodiment two.
Fig. 5 is that the B of Fig. 4 is to sketch map.
Fig. 6 is the user mode sketch map of the utility model embodiment two.
Fig. 7 is the sketch map of the utility model embodiment three.
Fig. 8 is C-C schematic cross-section of Fig. 7.
Fig. 9 is the sketch map of the utility model embodiment four.
Figure 10 is D-D schematic cross-section of Fig. 9.
Figure 11 is the air flow direction sketch map in radiator fan when work of the utility model embodiment four.
Among the figure: lamp holder 1, radiator fan 11, diffuser 2, draw-in groove 21, radiator 3, threaded connector 31, heat radiation protruding 32; The height H that heat radiation is protruding, first exhaust vent, 33, the second exhaust vents 34, heat transfer body 4, mounting plane 41, the inclination angle E of mounting plane installs heat sink strip 42; Endoporus 43, radiating groove 44, fresh air inlet 45, luminous zone air inlet 46, heat sink strip 47, led light source assembly 5, substrate 51; LED lamp pearl 52, reflection shield 6, floor lamp 7, light 8, ground 9, wall 10.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Embodiment one, and referring to Fig. 1, a kind of LED bulb comprises lamp holder 1, six diffusers 2, radiator 3 and heat transfer bodies 4.
Lamp holder 1 is a screw socket.
Heat transfer body 4 is for being provided with the tubular structure of endoporus 43.Heat transfer body 4 is made for aluminium alloy.One end of heat transfer body 4 is fixedly connected on the lamp holder 1, and the other end of heat transfer body 4 and radiator 3 are fixed together.
Heat transfer body 4 is provided with six mounting planes 41.Mounting plane 41 is the inclined-plane that tilts towards lamp holder 1.The size of the inclination angle E of mounting plane is 25 °.
A led light source assembly 5 respectively is installed on each mounting plane 41.Reflection shield 6 is installed on led light source assembly 5, and diffuser 2 covers correspondingly and is located on the reflection shield 6.Led light source assembly 5, reflection shield 6 and diffuser 2 threes parallel with plane 41 is installed.
Led light source assembly 5 comprises substrate 51 and is arranged on the LED lamp pearl 52 on the substrate 51.Each piece is provided with delegation two row LED lamp pearls 52 basically.LED lamp pearl 52 is cylindrical.
The cross section of reflection shield 6 is the four directions annular, and the end that reflection shield 6 is positioned at led light source assembly 5 is little, big towards an end of diffuser 2.
Diffuser 2 is a plate-like structure.The left end of diffuser 2 is connected on the heat transfer body 4, and the right-hand member of diffuser 2 is bonded on the radiator 3.
Radiator 3 is provided with threaded connector 31, and threaded connector 31 wears and is threaded on the endoporus 43 of heat transfer body 4.The right side of heat transfer body 4 is fitted on the left side of radiator 3 fully.Make to link together easily between radiator 3 and the heat transfer body 4, and can keep good heat-conducting effect.The end face away from an end of heat transfer body 4 of radiator 3 is provided with heat radiation protruding 32.Heat radiation protruding 32 is a laminated structure.Can change heat-sinking capability through changing the protruding height H of heat radiation, with the heat radiation requirement of the led light source assembly 5 of corresponding different capacity.
Referring to Fig. 2, heat transfer body 4 is six terrace with edge shapes.Six mounting planes 41 are six sides of heat transfer body 4.Each led light source assembly 5 forms a light-emitting zone together with corresponding reflection shield 6 and diffuser 2.The endoporus 43 of heat transfer body 4 is a truncated cone-shaped.All be provided with installation heat sink strip 42 at the position between two adjacent mounting planes 41 of heat transfer body 4, the side of diffuser 2 and reflection shield 6 is fitted in to be installed on the heat sink strip 42, and diffuser 2 and reflection shield 6 are between two adjacent installation heat sink strips 42.
Referring to Fig. 3; When the bulb of the utility model is installed in 7 last times of floor lamp; Light 8 major parts of being sent are towards lamp holder 1, and the zone that is radiated on the ground 9 is also big than the field of illumination of existing LED bulb, and radiator 3 contacts with the air large tracts of land and open the heat radiation.So the utility model has overcome existing with the technological prejudice of luminous zone design at the end of bulb.
Embodiment two, referring to Fig. 4, with the difference of embodiment one be that lamp holder 1 is a bayonet socket.Heat transfer body 4 is a platy structure.Only a side of heat transfer body 4 is provided with mounting plane 41.Reflection shield is not set.Diffuser 2 is up big and down small truncated cone-shaped.The lower end of diffuser 2 is connected on the lamp holder 1, and the upper end of diffuser 2 is connected on the radiator 3.Heat transfer body 4 and the led light source assembly 5 that is installed on the mounting plane 41 are positioned at translucent cover 2 inside.The size of the inclination angle E of mounting plane is 40 °.
Referring to Fig. 5, on the side of heat transfer body 4, have radiating groove 44.The purpose of design radiating groove 44 is in order to increase the area of dissipation of heat transfer body 4.
Referring to Fig. 6, the bulb of this kind structure is applicable to and is installed on the floor lamp 7 of drawing close wall 10 placements, can improve the illumination efficiency of bulb effectively.In traditional lamp envelope design, all be that to make light be that to carry out diffuse transmission type in 360 scopes at center luminous with the axis of lamp holder 1, the light of directive wall 10 is by wall absorption like this.Under the identical situation of LED lamp pearl 52, the brightness meeting of the bulb of the utility model in the field of illumination is higher than traditional LED bulb far away, and also promptly when realizing identical brightness requirement, this bulb is more energy-conservation more in addition than the LED bulb of traditional structure.
Embodiment three, referring to Fig. 7, with the difference of embodiment one do, LED lamp pearl 52 is spherical.Two row, three row LED lamp pearls 52 are installed on each piece basic 51.The free end of heat radiation protruding 32 is positioned on the same sphere.Reflection shield is not installed on mounting plane 41.
Referring to Fig. 8, heat transfer body 4 is three terrace with edge shapes.Each side of heat transfer body 4 constitutes a mounting plane 41.Diffuser 2 is a truncated cone-shaped.Heat transfer body 4 all is positioned at same translucent cover 2 together with three led light source assemblies 5 that are installed in respectively on three mounting planes.
Embodiment four, referring to Fig. 9, with the difference of embodiment one be in the endoporus 43 of heat transfer body 4, to be provided with radiator fan 11.An end that is positioned at lamp holder 1 of heat transfer body 4 is provided with fresh air inlet 45.On mounting plane 41, be provided with the luminous zone air inlet 46 that space that mounting plane and translucent cover are surrounded is connected with endoporus 43.On radiator 3, be provided with first exhaust vent 33 that endoporus 43 is connected with space outerpace.On radiator 3, be provided with second exhaust vent 34 that space that mounting plane and translucent cover are surrounded is connected with space outerpace.On the hole wall of endoporus 43, be provided with the heat sink strip 47 that extends vertically.
Referring to Figure 10, all led light source assembly 5 shared same diffusers 2.Diffuser 2 is a truncated cone-shaped.The inner surface of diffuser 2 is provided with draw-in groove 21.Draw-in groove 21 prolongs and extends axially.The mode that is stuck in the draw-in groove 21 through the side with reflection shield 6 fixes reflection shield 6.
Referring to Figure 11; When radiator fan 11 starts; Air-flow gets in the endoporus 43 through fresh air inlet 45; One the tunnel flows out from first exhaust vent 33 after luminous zone air inlet 46 gets into the zone that diffuser and mounting plane surrounded again then, and directly flow out from second exhaust vent 34 on another road, plays the effect that improves heat dispersion.
Embodiment five, with the difference of embodiment two be that the inclination angle E of mounting plane is 0 °.

Claims (10)

1. LED bulb; Comprise lamp holder, lampshade and heat transfer body; It is characterized in that said heat transfer body one end is connected with said lamp holder, the other end is connected with radiator, said heat transfer body on the surface between said radiator and the said lamp holder, be provided with mounting plane; The led light source assembly is installed on the said mounting plane, and said lampshade covers on the said led light source assembly.
2. LED bulb according to claim 1 is characterized in that, said mounting plane is the inclined-plane that tilts towards said lamp holder.
3. LED bulb according to claim 1 and 2 is characterized in that, said mounting plane has three at least, and said mounting plane is along circumferentially being distributed on the said heat transfer body.
4. LED bulb according to claim 3 is characterized in that, said heat transfer body is the prismoid that an end is big, the other end is little at said radiator place, and each side of said heat transfer body forms a said mounting plane respectively.
5. LED bulb according to claim 3 is characterized in that, on each said mounting plane all independent installation diffuser is arranged.
6. LED bulb according to claim 5; It is characterized in that; The position between two adjacent said mounting planes at said heat transfer body all is provided with the installation heat sink strip, and said diffuser is installed between two adjacent said installation heat sink strips correspondingly.
7. LED bulb according to claim 1 and 2 is characterized in that said mounting plane is provided with reflection shield.
8. LED bulb according to claim 1 and 2 is characterized in that, said heat transfer body is a tubular structure, and said radiator filler cap is located on the end of said heat transfer body, and it is protruding that the end face away from an end of said heat transfer body of said radiator is provided with heat radiation.
9. LED bulb according to claim 8 is characterized in that, said heat radiation convexity is a laminated structure, and the protruding free end of said heat radiation is positioned on the same sphere.
10. LED bulb according to claim 8 is characterized in that, is provided with radiator fan in the said heat transfer body, and an end that is positioned at said lamp holder of said heat transfer body is provided with fresh air inlet, and said radiator is provided with exhaust vent.
CN2011203267497U 2011-09-02 2011-09-02 LED (Light-emitting Diode) lamp bulb Expired - Fee Related CN202266860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203267497U CN202266860U (en) 2011-09-02 2011-09-02 LED (Light-emitting Diode) lamp bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203267497U CN202266860U (en) 2011-09-02 2011-09-02 LED (Light-emitting Diode) lamp bulb

Publications (1)

Publication Number Publication Date
CN202266860U true CN202266860U (en) 2012-06-06

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330902A (en) * 2011-09-02 2012-01-25 黄山市广远光电科技有限公司 LED (Light Emitting Diode) bulb
CN103851342A (en) * 2012-11-29 2014-06-11 深圳市海洋王照明工程有限公司 Handheld maintaining lamp
CN105257995A (en) * 2015-10-20 2016-01-20 管毅 Heat dissipation LED lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330902A (en) * 2011-09-02 2012-01-25 黄山市广远光电科技有限公司 LED (Light Emitting Diode) bulb
CN102330902B (en) * 2011-09-02 2013-10-30 黄山市广远光电科技有限公司 LED (Light Emitting Diode) bulb
CN103851342A (en) * 2012-11-29 2014-06-11 深圳市海洋王照明工程有限公司 Handheld maintaining lamp
CN105257995A (en) * 2015-10-20 2016-01-20 管毅 Heat dissipation LED lamp

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20150902

EXPY Termination of patent right or utility model