CN102644866A - LED (Light-Emitting Diode) lamp bulb with good heat radiation - Google Patents
LED (Light-Emitting Diode) lamp bulb with good heat radiation Download PDFInfo
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- CN102644866A CN102644866A CN2012100592787A CN201210059278A CN102644866A CN 102644866 A CN102644866 A CN 102644866A CN 2012100592787 A CN2012100592787 A CN 2012100592787A CN 201210059278 A CN201210059278 A CN 201210059278A CN 102644866 A CN102644866 A CN 102644866A
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Abstract
The invention discloses an LED (Light-Emitting Diode) lamp bulb with good heat radiation. The LED lamp bulb a lamp cover, a lamp cup, an LED chip, a driving PCB (Printed Circuit Board) box, a driving PCB, a lamp cap molding piece and a lamp cap, wherein a plurality of vertical heat radiation seams are arranged on the side wall of the lower part of the lamp cup and are communicated with a hollow cavity of the lamp cup; a mounting face is arranged at the upper end of the lamp cup and the mounting face is fixedly connected with the LED chip or is fixedly connected with the LED Chip by using the PCB through mounting the LED chip; a flow guide cavity provided with an inner cavity for entering the lamp cover is arranged at the top end of the lamp cover; and the bottom end of the flow guide cavity is connected to the upper end of the hollow cavity so that air outside the LED lamp bulb can flow through the radiation seams among the flow guide cavity, the hollow cavity of the lamp cup and the lamp cup. Due to the adoption of the structure, when the LED lamp bulb is lighted, the heat emitted by the LED chip of the LED lamp bulb can be conducted to a heat radiation sheet on the back through a heat conduction base so as to be dissipated to the hollow cavity of the lamp cup, and then the heat is radiated to the outside air through a flow guide channel which is communicated with the outside air through the heat radiation seam of the flow guide cavity, the hollow cavity of the lamp cup and the lamp cup, so that the exchanging and communication of cold air and hot air can be accelerated and the heat radiation problem of the LED lamp is effectively solved.
Description
Technical field
The present invention relates to a kind of lighting device, relate to particularly that a kind of what have good heat radiating is the imitative conventional incandescent bulb of light source with LED.
Background technology
Lighting belongs to the daily life articles for use, and traditional lighting is the incandescent lamp that tungsten filament is processed, and its ball bubble is shaped as popular institute to be liked, and still, the light efficiency of the incandescent lamp that tungsten filament is processed is low, useful life short, thereby has restricted the use of incandescent lamp.
LED is a light emitting diode, a kind ofly adopts electroluminescent semi-conducting material manufacturing to form, and LED has good characteristics such as voltage is low, usefulness is high, monochromaticjty is good, applicability is strong, good stability, the response time is short, the life-span is long, free from environmental pollution; LED adopts the low-tension supply power supply generally speaking, and supply voltage generally between 2-24V, has more security; The LED consumed energy reduces 80% with the incandescent lamp of light efficiency; Each unit LEDs is very little, can be prepared into the ligthing paraphernalia of different shape, and is suitable for different environment.
Have good characteristic as above just because of LED, so LED is widely used in the fields such as illumination, decoration, comprises the LED bulb that adopts led chip to process.But, since the LED bulb particularly miniaturization LED bulb exist the junction temperature heat dissipation problem, therefore influenced promoting the use of of LED bulb.The heat radiation type of existing LED bulb is mainly passive heat radiation and active heat removal two big classes, and passive heat radiation includes conduction, convection current and heat loss through radiation, and its effect of mode that wherein improves heat loss through convection is more effective and obvious.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of LED bulb that good heat radiating particularly improves the heat loss through convection mode that has is provided; Can solve the heat dissipation problem of LED bulb preferably; The good characteristic that had both kept the LED bulb can be realized heat radiation again well, thereby effectively promote particularly promoting the use of of miniaturization LED bulb of LED bulb.
The technical solution adopted for the present invention to solve the technical problems is: a kind of LED bulb with good heat radiating comprises lampshade, Lamp cup, led chip, driving PCB box, driving PCB plate, lamp holder plastic and lamp holder; Be connected in regular turn between lampshade, Lamp cup, lamp holder plastic and the lamp holder; Lamp cup is provided with penetrating cavity up and down; Between the inner chamber of box-packed cavity and the lamp holder plastic at Lamp cup of driving PCB, and be provided with the gap of presetting between the inwall of the cavity of the outer wall of driving PCB box and Lamp cup, the driving PCB plate then is contained between the inner chamber of inner chamber and lamp holder plastic of driving PCB box; Said Lamp cup comprises the upper and lower, and the sidewall of the cavity of the bottom of said Lamp cup is provided with some along vertical heat sink strip, forms the heat radiation seam between the adjacent heat sink strip, and this heat radiation seam directly is connected with the cavity of Lamp cup; Upper end on the top of Lamp cup is provided with installed surface, and led chip is installed on the installed surface of upper end on top of Lamp cup; Be provided with the diversion cavity of the inner chamber that feeds lampshade on the top of lampshade, the bottom of this diversion cavity is connected to the upper end of the cavity of Lamp cup, so that flow between the heat radiation seam of cavity that LED bulb air outside can be through diversion cavity, Lamp cup and Lamp cup.
Further, also include the installation led chip and use pcb board; This installation led chip is fixed in pcb board on the installed surface of upper end on top of Lamp cup, and said led chip is fixed on installs led chip with on the pcb board.
The sidewall of the cavity of the bottom of said Lamp cup is the loop configuration of sealing along circumferentially; Said heat sink strip is located at outside the sidewall of cavity of bottom of Lamp cup; In said sidewall; Be provided with the louvre of the cavity that can be communicated with Lamp cup corresponding to the top that forms heat radiation seam between the adjacent heat sink strip, flow between the louvre of the cavity of LED bulb air outside through diversion cavity, Lamp cup, Lamp cup and the heat radiation seam of Lamp cup.
The installed surface of the upper end on the top of said Lamp cup is plane or curved surface.
The installed surface of the upper end on the top of said Lamp cup is several inclined-planes or several curved surfaces.
Form plank frame between the inwall of the installed surface of the upper end on the top of said Lamp cup and the cavity of Lamp cup.
Also be provided with some fin on the internal face of the cavity of said Lamp cup along vertical setting.
Described fin and Lamp cup are integral structure.
Described fin is a unitary structure, and the internal face of the cavity of fin and Lamp cup fixes.
The top of said diversion cavity is provided with shield, and this shield is provided with one or more ventilative apertures.
Described diversion cavity and lampshade are integral structure.
Described diversion cavity is a unitary structure, is provided with big open-work on the top of lampshade, and the week on the top of diversion cavity, the upper end of the bottom of diversion cavity and the cavity of Lamp cup fixed along being engaged in the big open-work of lampshade.
Several inclined-planes of the upper end on the top of said Lamp cup or several curved surfaces are made as two at least.
Said installation led chip is fixed on a glue fixed form or snap fit mode or screw fixed form with pcb board on the installed surface of upper end on top of said Lamp cup.
Further, also comprise cover plate, cover plate covers on installs led chip with on the pcb board, be equipped with on the cover plate can with the lens of led chip with the led chip corresponding matching on the pcb board are installed.
The upper and lower of described Lamp cup is an integral structure.
The upper and lower of described Lamp cup is a split-type structural; Fix through being threaded between the top of Lamp cup and the bottom of Lamp cup or glue fixes or is clasped and fixes.
A kind of LED bulb of the present invention with good heat radiating; Be to install on led chip is fixed on Lamp cup with pcb board the installed surface of upper end; Led chip is fixed on installs led chip with on the pcb board; Certainly, also can led chip be installed not and use pcb board, led chip directly is fixed on the installed surface of upper end of Lamp cup; Formed plank frame plays a part heat conducting base between the inwall of the installed surface of the upper end of Lamp cup and the cavity of Lamp cup; The indoor design of Lamp cup is that cavity structure and the sidewall in the bottom of Lamp cup are provided with some along vertical heat sink strip, forms the heat radiation seam between the adjacent heat sink strip, and the heat radiation seam directly is connected with the cavity of Lamp cup; Or the heat radiation seam is connected with the cavity of Lamp cup through louvre; Simultaneously the back of heat conducting base is designed to the fin of hollow out formula, just on the internal face of the cavity of Lamp cup, some fin along vertical setting is set, this structure; The cavity of Lamp cup is that the back of heat conducting base can be communicated with outside air through the heat radiation seam of diversion cavity and Lamp cup; Thereby make the heat that led chip sends use pcb board through led chip is installed---heat conducting base is a formed plank frame between the inwall of cavity of installed surface and Lamp cup of upper end of Lamp cup---fin on the internal face of the cavity of Lamp cup distributes, and, form a good heat conduction and the conduction of heat radiation and the approach of convection current owing to the back of heat conducting base is that the cavity of Lamp cup is communicated with outside air; Play good, effectively heat loss through convection effect; Conduct to the Lamp cup fin simultaneously and the air of the Lamp cup cavity of flowing through is heated, and that the hot-air after being heated can quicken to hoist is mobile, go round and begin again with the heat that is distributed in the Lamp cup cavity; Quicken further and strengthen to flow into and the air velocity of outflow Lamp cup cavity and the exchange circulation that flow has promptly been accelerated cold and hot air; Also just further improve and strengthen the heat loss through convection effect, thereby more effectively solved the heat dissipation problem of LED light fixture, make the LED lamp of same specification prolong the service life of LED lamp; Perhaps feasible LED lamp with power is designed into more miniaturization, perhaps makes unidimensional LED lamp be designed into more high-power.
The invention has the beneficial effects as follows; Owing to adopted Lamp cup to be provided with penetrating cavity up and down; Between the inner chamber of box-packed cavity and the lamp holder plastic at Lamp cup of driving PCB, and be provided with the gap of presetting between the inwall of the cavity of the outer wall of driving PCB box and Lamp cup, the driving PCB plate then is contained between the inner chamber of inner chamber and lamp holder plastic of driving PCB box; And the sidewall of the bottom of said Lamp cup is provided with some along vertical heat sink strip; Form the heat radiation seam between the adjacent heat sink strip, this heat radiation seam directly is connected with the cavity of Lamp cup, or the heat radiation seam is connected with the cavity of Lamp cup through louvre; Be provided with some installed surfaces in the upper end of Lamp cup, led chip is through on the installed surface of upper end of led chip being installed being installed in Lamp cup with pcb board or directly be fixed on the installed surface of the upper end of Lamp cup; Be provided with the diversion cavity of the inner chamber that feeds lampshade on the top of lampshade; The bottom of this diversion cavity is connected to the upper end of the cavity of Lamp cup; So that LED bulb air outside can be through diversion cavity, Lamp cup the heat radiation seam of cavity and Lamp cup between flow, or flow between the heat radiation seam of the louvre of the cavity of LED bulb air outside through diversion cavity, Lamp cup, Lamp cup and Lamp cup.This structure; Heat that the led chip light source sends is distributed through the fin at the back of heat conducting base; And being communicated with of formed flow-guiding channel and outside air stitched in the cavity through diversion cavity, Lamp cup and the heat radiation of Lamp cup; Accelerate the exchange circulation of cold and hot air, solved the heat dissipation problem of LED light fixture effectively.Owing to be provided with the diversion cavity of the inner chamber that feeds lampshade on the top of lampshade, and the bottom of diversion cavity is connected to the upper end of the cavity of Lamp cup, thereby formed the effect of siphon, accelerated the circulation of air.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain; But a kind of LED bulb with good heat radiating of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is embodiment one a profile sketch map of the present invention;
Fig. 2 is embodiment one organigram of the present invention;
Fig. 3 is embodiment one a D structure decomposing schematic representation of the present invention;
Fig. 4 is the D structure sketch map of embodiment one Lamp cup of the present invention;
Fig. 5 is the cutaway view of embodiment one Lamp cup of the present invention;
Fig. 6 is that embodiment one diversion cavity of the present invention is the D structure sketch map of unitary structure;
Fig. 7 is that embodiment one diversion cavity of the present invention is the cutaway view of unitary structure;
Fig. 8 is the air flow schematic diagram in embodiment one structure of the present invention;
Fig. 9 is embodiment two profile sketch mapes of the present invention;
Figure 10 is embodiment two organigrams of the present invention;
Figure 11 is embodiment two D structure decomposing schematic representations of the present invention;
Figure 12 is the air flow schematic diagram in embodiment two structures of the present invention;
Figure 13 is the D structure decomposing schematic representation of embodiment three Lamp cups of the present invention;
Figure 14 is the D structure decomposing schematic representation of embodiment four Lamp cups of the present invention.
The specific embodiment
Embodiment one, and to shown in Figure 8, a kind of LED bulb with good heat radiating of the present invention comprises lampshade 1, Lamp cup 2, led chip 3, led chip is installed with pcb board 4, driving PCB box 5, driving PCB plate 6, lamp holder plastic 7 and lamp holder 8 referring to Fig. 1; Be connected in regular turn between lampshade 1, Lamp cup 2, lamp holder plastic 7 and the lamp holder 8; Lamp cup 2 is provided with penetrating cavity 21 up and down; Driving PCB box 5 is contained between the inner chamber 71 of cavity 21 and lamp holder plastic 7 of Lamp cup; And be provided with the gap of presetting between the inwall of the outer wall of driving PCB box 5 and the cavity of Lamp cup 21,6 of driving PCB plates are contained between the inner chamber of inner chamber and lamp holder plastic 7 of driving PCB box 5; Said Lamp cup 2 comprises top 27 and bottom 28; The sidewall of the cavity of the bottom 28 of said Lamp cup 2 is provided with some along vertical heat sink strip 26; Form heat radiation seam 22 between the adjacent heat sink strip 26; This heat radiation seam 22 directly is connected with the cavity 21 of Lamp cup, and just the sidewall of cavity forms hollow out at heat radiation seam place, makes LED bulb air outside directly pass to the cavity 21 of Lamp cup 2 through heat radiation seam 22; Upper end on the top 27 of Lamp cup 2 is provided with several inclined-planes 23 (being installed surface); Some led chip being installed is separately fixed at pcb board 4 on the inclined surface 23 of upper end on top 27 of Lamp cup; Led chip is installed with the affixed at least led chip 3 of pcb board 4, so that the angular of lamp increases to more than 180 ° for every; Be provided with the diversion cavity 9 of the inner chamber that feeds lampshade on the top of lampshade 1; The bottom of this diversion cavity 9 is connected to the upper end 24 of the cavity of Lamp cup, so that flow (like the arrow indication among Fig. 8) between the heat radiation seam 22 of cavity 21 that LED bulb air outside can be through diversion cavity 9, Lamp cup and Lamp cup.
Wherein,
Form plank frame between the inwall of the inclined-plane 23 of the upper end on the top 27 of said Lamp cup and the cavity 21 of Lamp cup;
Also be provided with some fin 25 on the internal face of the cavity 21 of said Lamp cup along vertical setting; Increase area of dissipation;
Described fin 25 is an integral structure with Lamp cup 2; Fin 25 is to be molded on the Lamp cup 2, and certainly, fin and Lamp cup also can be the branch body structures, and promptly fin is unitary structure (an independently part), and the internal face with the cavity of fin and Lamp cup fixes again;
The top of said diversion cavity 9 is provided with shield 91, and this shield 91 is provided with one or more ventilative apertures 92;
Described diversion cavity 9 is a unitary structure, is provided with big open-work 11 on the top of lampshade 1, and the week on the top of diversion cavity 9, the upper end 24 of the bottom of diversion cavity and the cavity of Lamp cup fixed along being engaged in the big open-work 11 of lampshade;
Several inclined-planes 23 of the upper end on the top 27 of said Lamp cup 2 are made as six, led chips are installed to use pcb boards 4 be six for said some, install in led chip is separately fixed at correspondence with pcb board 4 the inclined-plane 23 of upper end of Lamp cup for every;
Said installation led chip is fixed on a glue fixed form or snap fit mode or screw fixed form with pcb board 4 on the inclined-plane 23 of upper end on top 27 of said Lamp cup;
Further; Also comprise six cover plates 31; Every cover plate 31 covers on corresponding one respectively and led chip is installed with on the pcb board 4, be equipped with on the cover plate 31 can with the lens 32 of installation led chip with 3 corresponding matching of the led chip on the pcb board 4, led chip promptly is installed is fixed with six led chips 3 with pcb board 4; Also be provided with six lens 32 on the cover plate 31, then the position of the lens 32 on the cover plate 31 is corresponding with the led chip on the pcb board 43 with the installation led chip; Be provided with cover plate 31 and lens 32 and can regulate the irradiation optic angle of lamp further, this example promptly can be extended to 270 ° or higher for being used to enlarge angular, the more approaching or ordinary incandescent lamp angular of steeping roughly the same; Cover plate 31 and lens 32 can certainly be installed;
Be provided with the screw thread that matches between lamp holder plastic 7 and the lamp holder 8, through after being threaded again riveting fix;
The bottom of driving PCB box 5 and lamp holder plastic 7 adopts buckles to fix, and the top of driving PCB box 5 is provided with a hole, can let led chip is installed is passed with the lead that is connected between the driving PCB plate 6 with pcb board 4;
Driving PCB plate 6 is to be installed between the inner chamber of inner chamber and lamp holder plastic 7 of driving PCB box 5;
The bottom of Lamp cup 2 and lamp holder plastic 7 join, and Lamp cup 2 is to be fixed on the driving PCB box 5 through screw;
The bottom of lampshade 1 is fixed on the Lamp cup 2 through the buckle mode;
The week on the top of diversion cavity 9, the bottom of diversion cavity 9 then was provided with buckle, is connected to the upper end 24 of the cavity of Lamp cup through the buckle mode along the Kong Yanchu that is fitted in the big open-work 11 of lampshade 1;
Present embodiment contains to be installed led chip and use pcb board, certain, also can led chip be installed not and use pcb board, but led chip directly is fixed on the inclined-plane 23 of upper end of Lamp cup; Certainly, installed surface also can be a plane, or a curved surface, or several curved surfaces.
A kind of LED bulb of the present invention with good heat radiating; Be to install on led chip is fixed on Lamp cup with pcb board 4 the inclined-plane 23 of upper end on top 27; Formed plank frame plays a part heat conducting base between the inwall of the inclined-plane 23 of the upper end of Lamp cup and the cavity 21 of Lamp cup; The indoor design of Lamp cup 2 is that cavity structure and the sidewall in the bottom of Lamp cup are provided with some along vertical heat sink strip 26; Form heat radiation seam 22 between the adjacent heat sink strip 26, simultaneously the back of heat conducting base is designed to the fin 25 of hollow out formula, just on the internal face of the cavity of Lamp cup, some fin 25 along vertical setting are set; This structure; The cavity 21 of Lamp cup is that heat radiation seam that the back of heat conducting base can be through diversion cavity 9 and Lamp cup 22 is communicated with outside air, thus make heat that led chip 3 light sources send through the installation led chip with pcb board 4---heat conducting base is a formed plank frame between the inwall of cavity of inclined-plane and Lamp cup of upper end of Lamp cup---fin 25 on the internal face of the cavity of Lamp cup distributes, and owing to the back of heat conducting base is that the cavity of Lamp cup is communicated with outside air; Thereby accelerated the exchange circulation of cold and hot air; Form the pathway of good heat conduction and heat radiation, play good, effectively heat loss through convection effect, conduct to the Lamp cup fin simultaneously and the air of the Lamp cup cavity of flowing through is heated with the heat that is distributed in the Lamp cup cavity; And that the hot-air after being heated can quicken to hoist is mobile; Go round and begin again, quicken and strengthen the exchange circulation that the air velocity that flows into and flow out the Lamp cup cavity and flow have promptly been accelerated cold and hot air further, also just further improve and strengthen the heat loss through convection effect; Thereby more effectively solved the heat dissipation problem of LED light fixture, made the LED lamp of same specification prolong the service life of LED lamp; Perhaps feasible LED lamp with power is designed into more miniaturization, perhaps makes unidimensional LED lamp be designed into more high-power.
A kind of LED bulb of the present invention with good heat radiating; Upper and lower, top wherein etc. has the description in orientation; Be not limitation of the present invention, only represent the relative position between the parts of LED bulb, this LED bulb can lamp holder as shown in the figure below pattern use; Also can be lamp holder pattern use up, the structure of this moment be 180 degree that overturn up and down.
Embodiment two, and to shown in Figure 12, a kind of LED bulb with good heat radiating of the present invention is with the difference of embodiment one referring to Fig. 9:
The profile of lampshade 1 is different;
The angle of inclination on the inclined-plane 23 of the upper end on the top 27 of Lamp cup 2 is less; And inclined-plane 23 is three;
Led chip is installed with not installing cover plate and lens thereof on the pcb board 4 additional.
Embodiment three, and referring to shown in Figure 13, a kind of LED bulb with good heat radiating of the present invention is with the difference of embodiment one:
The top 27 of Lamp cup be split-type structural with bottom 28, and promptly top 27 and bottom 28 are part independently separately; Fix through being threaded between the top 27 of Lamp cup and the bottom 28 of Lamp cup.Certainly, also can not be to be threaded to fix between the top 27 of Lamp cup and the bottom 28 of Lamp cup, but glue fix or is clasped and fix.
Embodiment four, and referring to shown in Figure 14, a kind of LED bulb with good heat radiating of the present invention is with the difference of embodiment three:
The sidewall of the cavity of the bottom 28 of Lamp cup is the loop configuration of sealing along circumferentially; Said heat sink strip 26 is located at outside the sidewall of cavity of bottom of Lamp cup; In said sidewall; Be provided with the louvre 29 of the cavity that can be communicated with Lamp cup corresponding to the top that forms heat radiation seam 22 between the adjacent heat sink strip 26, flow between the louvre 29 of the cavity 21 of LED bulb air outside through diversion cavity 9, Lamp cup, Lamp cup and the heat radiation seam 22 of Lamp cup.This structure; The sidewall that is cavity does not form hollow out at heat radiation seam place; Heat radiation seam 22 directly is not communicated with the cavity 21 of Lamp cup; Therefore, louvre 29 is set, make LED bulb air outside pass to the cavity 21 of Lamp cup 2 through heat radiation seam 22, louvre 29 in the side-walls on the top of heat radiation seam 22.
The foregoing description only is used for further specifying a kind of LED bulb with good heat radiating of the present invention; But the present invention is not limited to embodiment; Every foundation technical spirit of the present invention all falls in the protection domain of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (17)
1. the LED bulb with good heat radiating comprises lampshade, Lamp cup, led chip, driving PCB box, driving PCB plate, lamp holder plastic and lamp holder; Be connected in regular turn between lampshade, Lamp cup, lamp holder plastic and the lamp holder; Lamp cup is provided with penetrating cavity up and down; It is characterized in that: between the inner chamber of box-packed cavity and the lamp holder plastic at Lamp cup of driving PCB; And be provided with the gap of presetting between the inwall of the outer wall of driving PCB box and the cavity of Lamp cup, the driving PCB plate then is contained between the inner chamber of inner chamber and lamp holder plastic of driving PCB box; Said Lamp cup comprises the upper and lower, and the sidewall of the cavity of the bottom of said Lamp cup is provided with some along vertical heat sink strip, forms the heat radiation seam between the adjacent heat sink strip, and this heat radiation seam directly is connected with the cavity of Lamp cup; Upper end on the top of Lamp cup is provided with installed surface, and led chip is installed on the installed surface of upper end on top of Lamp cup; Be provided with the diversion cavity of the inner chamber that feeds lampshade on the top of lampshade, the bottom of this diversion cavity is connected to the upper end of the cavity of Lamp cup, so that flow between the heat radiation seam of cavity that LED bulb air outside can be through diversion cavity, Lamp cup and Lamp cup.
2. the LED bulb with good heat radiating according to claim 1 is characterized in that: further, also include the installation led chip and use pcb board; This installation led chip is fixed in pcb board on the installed surface of upper end on top of Lamp cup, and said led chip is fixed on installs led chip with on the pcb board.
3. the LED bulb with good heat radiating according to claim 1 and 2; It is characterized in that: the sidewall of the cavity of the bottom of said Lamp cup is the loop configuration along circumferential sealing; Said heat sink strip is located at outside the sidewall of cavity of bottom of Lamp cup; In said sidewall; Be provided with the louvre of the cavity that can be communicated with Lamp cup corresponding to the top that forms heat radiation seam between the adjacent heat sink strip, flow between the louvre of the cavity of LED bulb air outside through diversion cavity, Lamp cup, Lamp cup and the heat radiation seam of Lamp cup.
4. the LED bulb with good heat radiating according to claim 1 is characterized in that: the installed surface of the upper end on the top of said Lamp cup is plane or curved surface.
5. the LED bulb with good heat radiating according to claim 1, it is characterized in that: the installed surface of the upper end on the top of said Lamp cup is several inclined-planes or several curved surfaces.
6. the LED bulb with good heat radiating according to claim 1 and 2 is characterized in that: form plank frame between the inwall of the installed surface of the upper end on the top of said Lamp cup and the cavity of Lamp cup.
7. the LED bulb with good heat radiating according to claim 6 is characterized in that: also be provided with some fin along vertical setting on the internal face of the cavity of said Lamp cup.
8. the LED bulb with good heat radiating according to claim 7 is characterized in that: described fin and Lamp cup are integral structure.
9. the LED bulb with good heat radiating according to claim 7 is characterized in that: described fin is a unitary structure, and the internal face of the cavity of fin and Lamp cup fixes.
10. the LED bulb with good heat radiating according to claim 1, it is characterized in that: the top of said diversion cavity is provided with shield, and this shield is provided with one or more ventilative apertures.
11. according to claim 1 or 2 or 10 described LED bulbs with good heat radiating, it is characterized in that: described diversion cavity and lampshade are integral structure.
12. according to claim 1 or 2 or 10 described LED bulbs with good heat radiating; It is characterized in that: described diversion cavity is a unitary structure; Be provided with big open-work on the top of lampshade; The week on the top of diversion cavity, the upper end of the bottom of diversion cavity and the cavity of Lamp cup fixed along being engaged in the big open-work of lampshade.
13. the LED bulb with good heat radiating according to claim 5 is characterized in that: several inclined-planes of the upper end on the top of said Lamp cup or several curved surfaces are made as two at least.
14. the LED bulb with good heat radiating according to claim 2 is characterized in that: said installation led chip is fixed on a glue fixed form or snap fit mode or screw fixed form with pcb board on the installed surface of upper end on top of said Lamp cup.
15. the LED bulb with good heat radiating according to claim 12; It is characterized in that: further; Also comprise cover plate, cover plate covers on installs led chip with on the pcb board, be equipped with on the cover plate can with the lens of led chip with the led chip corresponding matching on the pcb board are installed.
16. the LED bulb with good heat radiating according to claim 1 is characterized in that: the upper and lower of described Lamp cup is an integral structure.
17. the LED bulb with good heat radiating according to claim 1 is characterized in that: the upper and lower of described Lamp cup is a split-type structural; Fix through being threaded between the top of Lamp cup and the bottom of Lamp cup or glue fixes or is clasped and fixes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100592787A CN102644866A (en) | 2012-03-07 | 2012-03-07 | LED (Light-Emitting Diode) lamp bulb with good heat radiation |
| PCT/CN2012/083834 WO2013131376A1 (en) | 2012-03-07 | 2012-10-31 | Led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100592787A CN102644866A (en) | 2012-03-07 | 2012-03-07 | LED (Light-Emitting Diode) lamp bulb with good heat radiation |
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|---|---|
| CN102644866A true CN102644866A (en) | 2012-08-22 |
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| CN2012100592787A Pending CN102644866A (en) | 2012-03-07 | 2012-03-07 | LED (Light-Emitting Diode) lamp bulb with good heat radiation |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829356A (en) * | 2012-09-03 | 2012-12-19 | 张伟善 | Light-emitting diode (LED) bulb |
| CN102829357A (en) * | 2012-09-03 | 2012-12-19 | 张伟善 | LED (Light Emitting Diode) bulb |
| CN102865477A (en) * | 2012-09-05 | 2013-01-09 | 深圳市众明半导体照明有限公司 | Illuminating device |
| WO2013131376A1 (en) * | 2012-03-07 | 2013-09-12 | 厦门天力源光电科技有限公司 | Led lamp |
| WO2014127594A1 (en) * | 2013-01-29 | 2014-08-28 | 世光国际贸易有限公司 | Light-emitting device having light-emitting diode |
| CN104075157A (en) * | 2013-03-29 | 2014-10-01 | 优利德电球股份有限公司 | Air cooling led lamp |
| CN105324603A (en) * | 2014-06-02 | 2016-02-10 | 冰管灯具株式会社 | LED lighting device |
| US9303821B2 (en) | 2013-03-29 | 2016-04-05 | Uniled Lighting Tw., Inc. | Air-cooled LED lamp bulb |
| CN107893916A (en) * | 2017-12-15 | 2018-04-10 | 明朔(北京)电子科技有限公司 | LED China lamp lighting apparatus, lighting apparatus and lens |
| CN109185726A (en) * | 2018-10-17 | 2019-01-11 | 杭州华普永明光电股份有限公司 | A kind of LED light source |
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| US9303821B2 (en) | 2013-03-29 | 2016-04-05 | Uniled Lighting Tw., Inc. | Air-cooled LED lamp bulb |
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| CN109185726A (en) * | 2018-10-17 | 2019-01-11 | 杭州华普永明光电股份有限公司 | A kind of LED light source |
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Application publication date: 20120822 |