CN103148471A - Heat sink for LED (Light-Emitting Diode) bulb lamp - Google Patents
Heat sink for LED (Light-Emitting Diode) bulb lamp Download PDFInfo
- Publication number
- CN103148471A CN103148471A CN2013100867816A CN201310086781A CN103148471A CN 103148471 A CN103148471 A CN 103148471A CN 2013100867816 A CN2013100867816 A CN 2013100867816A CN 201310086781 A CN201310086781 A CN 201310086781A CN 103148471 A CN103148471 A CN 103148471A
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- Prior art keywords
- heat radiation
- disk
- bulb lamp
- aluminium base
- led bulb
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 79
- 239000004411 aluminium Substances 0.000 claims abstract description 78
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 73
- 230000000875 corresponding Effects 0.000 claims abstract description 10
- 150000001398 aluminium Chemical class 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000758 substrate Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract 11
- 239000011324 bead Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000011049 pearl Substances 0.000 description 11
- 238000005286 illumination Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000001195 anabolic Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The invention discloses a heat sink for an LED (Light-Emitting Diode) bulb lamp. The heat sink comprises a cooling disk and at least two cooling baffles vertical to the end face of the cooling disk, wherein the disk edge, which is positioned between the two adjacent cooling baffles, of the cooling disk is provided with an insert slot into which the lampshade section of the LED bulb lamp can be conveniently inserted and fixed; an aluminium substrate base is arranged between the two adjacent cooling baffles; the back of the aluminium substrate base is connected with the two corresponding adjacent cooling baffles; the aluminium substrate mounting surface of the aluminium substrate base is vertical to the end face of the cooling disk; the other end face of the cooling disk is provided with a plurality of cooling bulges inserted into the insulation lamp base of the LED bulb lamp; and the cooling disc is provided with a plurality of screw holes and a threading hole. The heat sink has the advantages that the contact area between the heat sink and an aluminium substrate is large, the contact effect is good, the installation space, reserved for the aluminum substrate, of the heat sink is large, the number of LED lamp beads can be increased, and the maximum irradiation angle of the LED bulb lamp can be enlarged.
Description
Technical field
The present invention relates to a kind of radiating seat, refer to especially a kind of LED bulb lamp radiating seat.
Background technology
The maximum market of LED bulb lamp illumination is the commercial market, and civilian maximum in city are also spherical bulbs, become novel green light source so the LED bulb lamp substitutes the conventional incandescent bubble, the structure of traditional LED bulb lamp comprises insulating lamp holder, power supply driver, radiating seat, be fixed on the lampshade, aluminium base of the light-permeable of aluminium base on radiating seat and spherical or almost spherical several LED lamp pearls are installed.Radiating seat plays heat conduction and heat radiation into aluminium base at the LED bulb lamp, reduces the internal temperature of LED bulb lamp, improves the effect in its service life.And the heat radiation quality of radiating seat has not only affected the service life of LED bulb lamp, the more important thing is the peak power that has restricted the LED bulb lamp.Present radiating seat is generally to utilize some fin to make the structure of a cup-shaped.One end is installed with aluminium base, and the other end is sleeved on insulating lamp holder and fixes with insulating lamp holder; Lampshade is covering aluminium base.The plate face of the LED bulb lamp aluminium base of this structure is vertical with the axis direction of insulating lamp holder.Namely when the joint of LED bulb lamp vertically down the time, the plate face of aluminium base is horizontal direction.There is shortcoming in this radiating seat:
1. this radiating seat is to be formed by some radiating fin combinations, and is therefore very loaded down with trivial details in the process of assembling, needs the artificial degree that participates in high;
2. in anabolic process, installation accuracy relatively is difficult to ensure card, can't guarantee that radiating seat is used to install the flatness of the installed surface of aluminium base, can't guarantee that like this aluminium base reliably contacts with the installed surface of radiating seat, thereby installed surface protrusion fin may occur contacts with aluminium base, and recessed fin does not contact with aluminium base, causes like this contact-making surface little, and heat conduction efficiency is low; So just restricted the peak power of general LED bulb lamp in the 12-15W left and right.
3. due to the structure of radiating seat, thereby the mounting means that has just restricted aluminium base can only be horizontally disposed, and is arranged on the LED lamp pearl luminous (directions vertically being set with joint down) up on aluminium base.Even improved on lampshade, as through secondary light-distribution, be subject to the restriction of radiating seat, the luminous maximum illumination angle of LED bulb lamp is at 120-130 °;
4. be subject to the impact of the overall dimensions of LED bulb lamp, the size of the installed surface of radiating seat can not be too large, so the area of aluminium base is also just limited, and the number of LED lamp pearl also is restricted, thereby has further restricted the peak power of LED bulb lamp.
Summary of the invention
Technical problem to be solved by this invention is: a kind of LED bulb lamp radiating seat is provided, this radiating seat not only and between aluminium base contact area large, contact effective, the installing space that radiating seat is left aluminium base for is large, the number of LED lamp pearl can be increased, but also the maximum illumination angle of LED bulb lamp can be enlarged.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of LED bulb lamp radiating seat, comprise the heat radiation disk, at least two heat radiation dividing plates are set on one end face of this heat radiation disk, this heat radiation dividing plate all end face with the heat radiation disk is vertical, the intersecting lens of end face of heat radiation dividing plate and the heat radiation disk disk that will dispel the heat is divided at least two sectors, and the rim of described heat radiation disk between adjacent two heat radiation dividing plates is provided with is convenient to the slot that LED bulb lamp lampshade lobe plug-in mounting is fixed; Be provided with the aluminium base panel seat for the aluminium base of fixed L ED bulb lamp between described adjacent heat radiation dividing plate, the back of this aluminium base panel seat is connected with corresponding adjacent two heat radiation dividing plates, aluminium base panel seat the aluminium base installed surface vertical with the end face of the disk that dispels the heat; The other end of this heat radiation disk is provided with the heat radiation projection in several insulating lamp holders that are inserted into the LED bulb lamp, the heat radiation disk is provided with the screw hole that several disks of being convenient to dispel the heat are connected with the insulating lamp holder screw of LED bulb lamp, and the disk that dispels the heat is provided with the aluminium base seat and puts corresponding through wires hole.
As a kind of preferred scheme, the number of described heat radiation dividing plate is three, and each angle that dispels the heat between dividing plate is 120 °.
As a kind of preferred scheme, the center of described heat radiation disk arranges the cylindrical drum of a vertical heat radiation disk end face, these three heat radiation dividing plates are all crossing with the outer wall of cylindrical drum, the endoporus of this cylindrical drum runs through cylindrical drum and heat radiation disk, and described aluminium base panel seat all is connected with adjacent heat radiation dividing plate, cylindrical drum.
As a kind of preferred scheme, the barrel end of described cylindrical drum is provided with and three the same number of axial caulking grooves of heat radiation dividing plate, and each axial caulking groove is one to one between adjacent two heat radiation dividing plates.
As a kind of preferred scheme, the outward flange of described each heat radiation dividing plate is equipped with the airflow channel of indent, and this airflow channel is extended to the intersection of heat radiation disk and heat radiation dividing plate by heat radiation one end, and the other end extends to the intersection between the heat radiation dividing plate.
As a kind of preferred scheme, described airflow channel comprises dark concave end and shallow concave end, shallow concave end is near the intersection of heat radiation disk and heat radiation dividing plate, and concave end is near the intersection between the heat radiation dividing plate deeply, and shallow concave end seamlessly transits gradually to dark concave end.
As a kind of preferred scheme, described radiating seat is formed in one.
As a kind of preferred scheme, the aluminium base installed surface of described aluminium base panel seat comprises the binding face of fitting with aluminium base plate face and the support level that supports the aluminium base end, and this binding face is provided with several fixing holes.
After having adopted technique scheme, effect of the present invention is: 1. because this radiating seat is to comprise at least two heat radiation dividing plates vertical with the heat radiation disk, the back of this aluminium base panel seat is connected with corresponding adjacent two heat radiation dividing plates so, aluminium base panel seat the aluminium base installed surface with the heat radiation disk end face vertical, therefore aluminium base can effectively be fitted with this aluminium base panel seat installed surface, and heat is conducted; And aluminium base disperses heat dissipation region by originally only having one to become a plurality ofly, and radiating effect is better; 2. because aluminium base panel seat is arranged on space between adjacent heat radiation dividing plate, the area of aluminium base is not just in the restriction that is subject to the radiating seat external dimensions so, and the number of LED lamp pearl can further increase, thereby can strengthen the peak power of LED bulb lamp; 3. because the aluminium base installed surface is vertical with heat radiation disk end face, the installation of aluminium base is also vertical with the heat radiation disk so, the light that is positioned at so the LED lamp pearl (directions vertically being set with joint down) of aluminium base upper end can see through lampshade and shine down, and it is the extreme position of illumination that the LED lamp pearl of its aluminium base upper end is cooked at last with the line of the outer rim of heat radiation disk; Maximum illumination angle when this extreme position is horizontally disposed with greater than traditional aluminium base also can improve the maximum illumination angle even utilize two-layer lampshade to carry out secondary light-distribution in traditional LED bulb lamp, and still, luminous efficiency reduces, and cost improves.
The cylindrical drum of one vertical heat radiation disk end face is set due to the center of described heat radiation disk again, these three heat radiation dividing plates are all crossing with the outer wall of cylindrical drum, the endoporus of this cylindrical drum runs through cylindrical drum and heat radiation disk, and described aluminium base panel seat all is connected with adjacent heat radiation dividing plate, cylindrical drum.Heat in endoporus can pass the heat radiation disk and enter into insulating lamp holder like this, louvre all can be set on insulating lamp holder, thereby to a certain degree improve radiating effect.
Barrel end due to described cylindrical drum is provided with and three the same number of axial caulking grooves of heat radiation dividing plate again, each axial caulking groove is one to one between adjacent two heat radiation dividing plates, the lampshade lower end is inserted in the slot of heat radiation disk, the upper end of lampshade can arrange the open slot corresponding with axial caulking groove position, then utilize fixedly that deduction cap can fixedly secure lampshade, so just make the LED bulb lamp installation, dismantle and all facilitate.
Be equipped with again the airflow channel of indent due to the outward flange of described each heat radiation dividing plate, this airflow channel is extended to the intersection of heat radiation disk and heat radiation dividing plate by heat radiation one end, the other end extends to the intersection between the heat radiation dividing plate, like this, can make the outward flange of heat radiation dividing plate produce the wind that flows, can take away the heat of heat radiation dividing plate, thereby improve radiating effect.
Again because described airflow channel comprises dark concave end and shallow concave end, shallow concave end is near the intersection of heat radiation disk and heat radiation dividing plate, and dark concave end is near the intersection between the heat radiation dividing plate, shallow concave end seamlessly transits gradually to dark concave end, like this, wind will from the superficial to the deep flow at airflow channel, has increased gradually the contact area of wind and airflow channel, has also increased the effect of heat radiation when being convenient to wind flow.
Again because described radiating seat is formed in one, for some parts in radiating seat, as heat radiation disk, aluminium base panel seat, heat radiation dividing plate etc., with regard to nothing, the gap is installed between these parts so, improve heat conduction efficiency, avoided the problem of alignment error and loose contact to occur.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the front schematic view of the embodiment of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the stereogram of the embodiment of the present invention;
Fig. 4 is another stereogram of the embodiment of the present invention;
In accompanying drawing: 1. disk dispels the heat; 2. heat radiation dividing plate; 3. aluminium base panel seat; 4. airflow channel; 5. fixing hole; 6. axial caulking groove; 7. support level; 8. heat radiation projection; 9. slot; 10. cylindrical drum; 11. through wires hole; 12. screw hole.
The specific embodiment
The present invention is described in further detail below by specific embodiment.
As shown in Figures 1 to 4, a kind of LED bulb lamp radiating seat comprises heat radiation disk 1, heat radiation dividing plate 2, aluminium base panel seat 3 and several heat radiation projections 8.These parts are preferably one-body molded, can guarantee heat-conducting effect like this, improve radiating efficiency, and its each parts are metallic article.At least two heat radiation dividing plates 2 are set on one end face of this heat radiation disk 1, and this heat radiation dividing plate 2 all end face with heat radiation disk 1 is vertical, and the intersecting lens of the end face of heat radiation dividing plate 2 and the disk 1 that the dispels the heat disk 1 that will dispel the heat is divided at least two sectors.Be subject to the size impact of general LED bulb lamp, the number of heat radiation dividing plate 2 is generally the 2-4 piece, and being preferably in the present embodiment is three, and each angle that dispels the heat between dividing plate 2 is 120 °.The outward flange of described each heat radiation dividing plate 2 is equipped with the airflow channel 4 of indent, and this airflow channel 4 is extended to the intersection of heat radiation disk 1 and heat radiation dividing plate 2 by heat radiation one end, and the other end extends to the intersection between heat radiation dividing plate 2.Described airflow channel 4 comprise dark concave end and shallow concave end, shallow concave end is near the intersection of heat radiation disk 1 and heat radiation dividing plate 2, and dark concave end is near the intersection between heat radiation dividing plate 2, shallow concave end seamlessly transits gradually to dark concave end.Three heat radiation dividing plates 2 provide enough installing spaces for aluminium base, and simultaneously also for heat radiation provides a large amount of heat conduction and heat radiation areas, and three heat radiation dividing plates 2 seem also not affect the brightness of illumination of LED bulb lamp in attractive in appearance in profile.To the dispel the heat end face of disk 1 of three heat radiation dividing plates 2 is divided into three sectors.wherein, three heat radiation dividing plates 2 can be directly to intersect at heat radiation disk 1 axis, it can be also the cylindrical drum 10 that vertical heat radiation disk 1 end face is set on the axis of heat radiation disk 1, these three heat radiation dividing plates 2 are all crossing with the outer wall of cylindrical drum 10, the endoporus of this cylindrical drum 10 runs through cylindrical drum 10 and heat radiation disk 1, described aluminium base panel seat 3 and adjacent heat radiation dividing plate 2, cylindrical drum 10 all is connected, the barrel end of described cylindrical drum 10 is provided with and three the same number of axial caulking grooves 6 of heat radiation dividing plate 2, each axial caulking groove 6 is one to one between adjacent two heat radiation dividing plates 2.Described heat radiation disk 1 be provided with in the rim of adjacent two heat radiations between dividing plates 2 be convenient to, slot 9 that LED bulb lamp lampshade lobe plug-in mounting is fixing.Angle between same three axial caulking grooves 6 is 120, °.And each axial caulking groove 6 is in adjacent two heat radiation dividing plates 2 and becomes on the angular bisector of the angle of cut.when the assembling of whole LED bulb lamp, the lower end of three lobe lampshades is inserted into respectively in the slot 9 of heat radiation disk 1, the upper end of each lampshade arranges an open slot corresponding with axial caulking groove 6 positions, then utilizing fixedly, deduction cap can fixedly secure lampshade, fixedly deduction cap comprises a cap, with one insert the axial region that cylindrical drum 10 endoporus are mated, three projections that coordinate with axial caulking groove 6 are set on this cap, each projection is inserted in axial caulking groove 6, utilizing fixedly, deduction cap can fixedly secure three lampshades, so just make the installation of LED bulb lamp, dismounting all facilitates.Heat in cylindrical drum 10 endoporus falls apart by the louvre on insulating lamp holder.
Be provided with the aluminium base panel seat 3 for the aluminium base of fixed L ED bulb lamp between described adjacent heat radiation dividing plate 2, the back of this aluminium base panel seat 3 is connected with corresponding adjacent two heat radiation dividing plates 2, aluminium base panel seat 3 the aluminium base installed surface vertical with the end face of the disk 1 that dispels the heat; The aluminium base installed surface of described aluminium base panel seat 3 comprises the binding face of fitting with aluminium base plate face and the support level 7 that supports the aluminium base end, and this binding face is provided with several fixing holes 5.Wherein, aluminium base is said for fixed L ED lamp pearl in this place, and its material is generally aluminium matter, but also should not get rid of the possibility of the substrate of other materials.Aluminium base panel seat 3 is vertical with heat radiation disk 1 end face, can learn so at the LED bulb lamp and insert in catotropic situation, some row LED lamp pearls are in a row up and down, and are horizontal irradiations, and the light that is positioned at so the LED lamp pearl emission of going up row most passes the outward flange of heat radiation disk 1 and shines out.Therefore, the LED lamp pearl of its aluminium base upper end to do at last with the line of the outer rim of heat radiation disk 1 be the extreme position of illumination; Maximum illumination angle when this extreme position is horizontally disposed with greater than traditional aluminium base is utilized like this LED bulb lamp of this radiating seat just to need not secondary light-distribution and can be improved the maximum illumination angle.In addition, aluminium base is between heat radiation dividing plate 2, and installing space is very large, thereby can improve the number of LED bulb lamp, when not enlarging LED bulb lamp size, has improved the power of LED bulb lamp.
The other end of this heat radiation disk 1 is provided with the heat radiation projection 8 in several insulating lamp holders that are inserted into the LED bulb lamp, heat radiation disk 1 is provided with the screw hole 12 that several disks 1 of being convenient to dispel the heat are connected with the insulating lamp holder screw of LED bulb lamp, and the disk 1 that dispels the heat is provided with the through wires hole 11 corresponding with aluminium base panel seat 3 positions.In the present embodiment, the number of heat radiation projection 8 is six, and along heat radiation disk 1 circumference uniform distribution.Each heat radiation projection 8 includes arcs heat radiation board of a circular arc and through three boards that radially dispel the heat in this arc center of circle.Heat radiation projection 8 not only plays the effect of increasing heat radiation area, and simultaneously, heat radiation projection 8 is inserted in insulating lamp holder, and radiating seat is played auxiliary effect of installing.
Claims (8)
1.LED bulb lamp radiating seat, it is characterized in that: comprise the heat radiation disk, at least two heat radiation dividing plates are set on one end face of this heat radiation disk, this heat radiation dividing plate all end face with the heat radiation disk is vertical, the intersecting lens of end face of heat radiation dividing plate and the heat radiation disk disk that will dispel the heat is divided at least two sectors, and the rim of described heat radiation disk between adjacent two heat radiation dividing plates is provided with is convenient to the slot that LED bulb lamp lampshade lobe plug-in mounting is fixed; Be provided with the aluminium base panel seat for the aluminium base of fixed L ED bulb lamp between described adjacent heat radiation dividing plate, the back of this aluminium base panel seat is connected with corresponding adjacent two heat radiation dividing plates, aluminium base panel seat the aluminium base installed surface vertical with the end face of the disk that dispels the heat; The other end of this heat radiation disk is provided with the heat radiation projection in several insulating lamp holders that are inserted into the LED bulb lamp, the heat radiation disk is provided with the screw hole that several disks of being convenient to dispel the heat are connected with the insulating lamp holder screw of LED bulb lamp, and the disk that dispels the heat is provided with the aluminium base seat and puts corresponding through wires hole.
2. LED bulb lamp radiating seat as claimed in claim 1, it is characterized in that: the number of described heat radiation dividing plate is three, each angle that dispels the heat between dividing plate is 120 °.
3. LED bulb lamp radiating seat as claimed in claim 2, it is characterized in that: the center of described heat radiation disk arranges the cylindrical drum of a vertical heat radiation disk end face, these three heat radiation dividing plates are all crossing with the outer wall of cylindrical drum, the endoporus of this cylindrical drum runs through cylindrical drum and heat radiation disk, and described aluminium base panel seat all is connected with adjacent heat radiation dividing plate, cylindrical drum.
4. LED bulb lamp radiating seat as claimed in claim 3 is characterized in that: the barrel end of described cylindrical drum is provided with and three the same number of axial caulking grooves of heat radiation dividing plate, and each axial caulking groove is one to one between adjacent two heat radiation dividing plates.
5. LED bulb lamp radiating seat as described in claim 1 to 4 any one, it is characterized in that: the outward flange of described each heat radiation dividing plate is equipped with the airflow channel of indent, this airflow channel is extended to the intersection of heat radiation disk and heat radiation dividing plate by heat radiation one end, the other end extends to the intersection between the heat radiation dividing plate.
6. LED bulb lamp radiating seat as claimed in claim 5, it is characterized in that: described airflow channel comprises dark concave end and shallow concave end, shallow concave end is near the intersection of heat radiation disk and heat radiation dividing plate, and the intersection between the close heat radiation of dark concave end dividing plate, shallow concave end seamlessly transits gradually to dark concave end.
7. LED bulb lamp radiating seat as claimed in claim 6, it is characterized in that: described radiating seat is formed in one.
8. LED bulb lamp radiating seat as claimed in claim 7 is characterized in that: the binding face that the aluminium base installed surface of described aluminium base panel seat comprises and aluminium base plate face is fitted and support the support level of aluminium base end, this binding face is provided with several fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100867816A CN103148471A (en) | 2013-03-19 | 2013-03-19 | Heat sink for LED (Light-Emitting Diode) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100867816A CN103148471A (en) | 2013-03-19 | 2013-03-19 | Heat sink for LED (Light-Emitting Diode) bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148471A true CN103148471A (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100867816A Pending CN103148471A (en) | 2013-03-19 | 2013-03-19 | Heat sink for LED (Light-Emitting Diode) bulb lamp |
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| CN (1) | CN103148471A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202266894U (en) * | 2011-10-21 | 2012-06-06 | 温福英 | Efficient-radiation LED (light-emitting diode) bulb |
| CN202674982U (en) * | 2012-07-25 | 2013-01-16 | 杭州赛佳科技有限公司 | High-efficiency light emitting diode (LED) lamp tube |
| CN202733556U (en) * | 2012-08-06 | 2013-02-13 | 史杰 | Plug type LED (Light Emitting Diode) bulb |
| CN202791890U (en) * | 2012-09-26 | 2013-03-13 | 蔡兆荣 | Light emitting diode (LED) power supply plug structure |
| CN203099765U (en) * | 2013-03-19 | 2013-07-31 | 江苏索尔光电科技有限公司 | Radiating seat for LED bulb |
-
2013
- 2013-03-19 CN CN2013100867816A patent/CN103148471A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202266894U (en) * | 2011-10-21 | 2012-06-06 | 温福英 | Efficient-radiation LED (light-emitting diode) bulb |
| CN202674982U (en) * | 2012-07-25 | 2013-01-16 | 杭州赛佳科技有限公司 | High-efficiency light emitting diode (LED) lamp tube |
| CN202733556U (en) * | 2012-08-06 | 2013-02-13 | 史杰 | Plug type LED (Light Emitting Diode) bulb |
| CN202791890U (en) * | 2012-09-26 | 2013-03-13 | 蔡兆荣 | Light emitting diode (LED) power supply plug structure |
| CN203099765U (en) * | 2013-03-19 | 2013-07-31 | 江苏索尔光电科技有限公司 | Radiating seat for LED bulb |
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Application publication date: 20130612 |