CN202884562U - Light-emitting diode (LED) bulb - Google Patents
Light-emitting diode (LED) bulb Download PDFInfo
- Publication number
- CN202884562U CN202884562U CN2012205142109U CN201220514210U CN202884562U CN 202884562 U CN202884562 U CN 202884562U CN 2012205142109 U CN2012205142109 U CN 2012205142109U CN 201220514210 U CN201220514210 U CN 201220514210U CN 202884562 U CN202884562 U CN 202884562U
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- lamp plate
- heat sink
- sleeve
- insulating sleeve
- hole
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Abstract
The utility model relates to a light-emitting diode (LED) bulb which comprises a metal connector, an insulating sleeve, a heat sink and a glass cover. An LED lamp panel is fixed on the top face of the heat sink, and the heat sink is in a hollow ball shape which is formed by an upper heat sink and a lower heat sink in an up-and-down spliced mode. The top face of the upper heat sink is provided with a heat dissipation sleeve in an extended mode, and the heat dissipation sleeve is sleeved on the insulating sleeve in a fixed mode. A plurality of upper heat dissipation holes communicated with an inner cavity are formed in the side wall of the upper heat sink along the peripheral direction, and the top face of the heat dissipation sleeve and the LED lamp panel are respectively provided with an upper central through hole and a lamp panel central through hole which are communicated with the upper heat dissipation holes. The LED bulb is simple and reasonable in structure, forms a reasonable air flow channel though the fact that the upper heat dissipation holes, the upper central through hole and the lamp panel central through hole are communicated, effectively improves heat dissipation effect, and prolongs the service life of the bulb.
Description
Technical field
The utility model relates to a kind of bulb technologies field, especially a kind of perfect heat-dissipating, the LED bulb that irradiating angle is large.
Background technology
At present, LED is a kind of illuminating lamp pearl, utilize LED to be used for the indoor or outdoors illumination as light source, the LED bulb is generally with the at one time interior running of many lamp pearls, this can cause rising rapidly in the operating temperature of LED and electric drive assembly, yet, because the bulb of prior art lacks effective flow-guiding radiation structure, the LED bulb of continuous operation can owing to overheated, cause LED flicker or even LED fault.
In addition, traditional lighting lamp pearl is in the use except being placed on the ceiling, light source only needs outside one direction from top to bottom shines, also have much be used to be placed on some need to have around the light fixture (such as the other auxiliary lamp of sofa or half waist light fixture on the corridor etc.) of light source.
Therefore, what the applicant designed is a kind of improved LED bulb, and it can overcome above-mentioned problem.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and improves a kind of simple and reasonable for structurely, and the connection that runs through by outside and inner a plurality of through holes forms rational gas channel, has solved the heat dissipation problem of LED lamp plate and electric drive module.
The technical scheme that its technical problem that solves the utility model adopts is: the LED bulb, comprise metal connector, insulating sleeve, radiator and cloche, metal connector is connected to the insulating sleeve bottom, the electronic building brick driver module is installed in the insulating sleeve, radiator muff-joint is located on the insulating sleeve, its end face is fixed with the LED lamp plate, it is characterized in that;
The hollow sphere shape that described radiator is comprised of with upper and lower connecting method upper heat sink and bottom radiator, insulating sleeve is provided with support ring near the outer wall of bottom, the radiator bottom surface, bottom and the support ring that are set on the insulating sleeve offset, the upper heat sink end face is extended with the heat radiation sleeve, the radiating sleeve jacket casing is located on the insulating sleeve fixing, the LED lamp plate is fixed on heat radiation sleeve top board, cloche is located at the LED lamp plate outside, and is connected with the installation of upper heat sink end face by the commissura of bottom end opening;
Described upper heat sink sidewall has a plurality of upper louvres that communicate with inner chamber by circumferencial direction;
Described heat radiation sleeve end face and LED lamp plate have upper central through hole and the lamp plate central through hole that connects with upper louvre.
LED bulb of the present utility model, by offer louvre in upper heat sink, central through hole and lamp plate central through hole in the cooperation, consist of a gas channel that connects with the external world, make the heat of an assembly in the bulb contact and to derive with outside air by this gas channel, realize the purpose of heat radiation, and the external form of upper heat sink and bottom radiator composition is hemisphere, hemispheroidal sidewall is arc surface, in order to reduce the resistance of Air Flow, and upper heat sink and more than the radiator of bottom, lower connecting method is set on the insulating sleeve, and its compact conformation is easy for installation.
The utility model can also adopt following technical measures to solve: be provided with the first air flue gap between the inner face of described insulating sleeve end face and heat radiation sleeve top board, be provided with the second air flue gap between the cavity wall in insulating sleeve outer wall and the upper heat sink, the first air flue gap and the second air flue gap have formed the water conservancy diversion air flue that runs through louvre, upper central through hole and lamp plate central through hole; The water conservancy diversion air flue is communicated with upper louvre, upper central through hole and lamp plate central through hole, makes hot gas and outside air in the bulb carry out heat exchange, effectively reduces the operating temperature of bulb inside, improves the service life of LED and electric drive assembly thereof.
Described heat radiation sleeve lateral wall has a plurality of upside louvres by circumferencial direction, and the upside louvre communicates with the water conservancy diversion air flue; The upside louvre further improves the flow of gas channel, improves radiating effect.
Described bottom radiator sidewall has lower louvre corresponding to a plurality of and upper louvre by circumferencial direction; Upper and lower louvre forms the heat dissipation ventilation groove, increases the turnover flow of cold and hot air, improves radiating effect.
Be extended with the lamp plate projection on the described heat radiation sleeve end face, the sidewall of lamp plate projection encloses mode by three sides with circumference respectively and forms, be separately installed with the LED lamp plate on the every side, offer the upper heat dissipation channel that communicates with upper central through hole on the lamp plate projection, described near offering the end face through hole that communicates with upper louvre on the adjacent heat radiation sleeve top board of every LED lamp plate, also be provided with the projection passage that communicates with upper louvre on the lamp plate projection, the opening of projection passage is opened in lamp plate projection end face; As the improvement to the light source radiating angle scope, it is leg-of-mutton projection that the lamp plate projection is arranged to cross section, enclose mode with circumference on the lamp plate projection and be provided with three sides that can distinguish the mounted LED lamp plate, make arrange vertical with horizontal plane of LED lamp pearl on the LED lamp plate, Effective Raise light source angle of coverage, its angle of coverage can reach between 230 °-270 °, and intensity of light source distribution is average, and projection passage and end face through hole communicate with the water conservancy diversion air flue and further improve radiating efficiency.
On the described LED lamp plate reflector is installed; Distribution of light sources is more even in addition for reflector.
Described heat radiation sleeve top board offers connecting hole, and the insulating sleeve of corresponding connecting hole is provided with joint pin, and securing member is located on connecting hole and the joint pin, and upper heat sink and insulating sleeve are fixed; Connect simply, rationally easy accessibility, firm position.
Described bottom radiator sidewall has extended upward a plurality of heat radiation support arms by circumferencial direction, and corresponding upper heat sink sidewall is provided with the locating slot that is in clamping connection with the support arm that dispels the heat; The heat radiation support arm at first can improve the area of dissipation of radiator, improve radiating efficiency, moreover, the heat radiation support arm of bottom radiator and the locating slot of upper heat sink are connected, improve both splicing firmness and positioning intensity, and a plurality of heat radiation support arm is pressed the circumferencial direction arrangement, the approximate petal-shaped of formation, its good looking appearance, the added value of raising bulb.
Described insulating sleeve outer wall has at least one guiding gutter along the height bearing of trend; Guiding gutter can increase the space of Air Flow, improves radiating efficiency.
Described upper heat sink and bottom radiator are respectively by aluminium block integral type die cast.
The beneficial effects of the utility model are: (1), a kind of LED bulb of the present utility model, it is simple in structure, rationally, by offer louvre in upper heat sink, central through hole and lamp plate central through hole in the cooperation, consist of a gas channel that connects with the external world, make the heat of an assembly in the bulb contact and to derive with outside air by this gas channel, realize the purpose of heat radiation, and the external form of upper heat sink and bottom radiator composition is hemisphere, hemispheroidal sidewall is arc surface, in order to reduce the resistance of Air Flow, and upper heat sink and more than the radiator of bottom, lower connecting method is set on the insulating sleeve, its compact conformation, easy for installation.
(2), a kind of LED bulb of the present utility model, as the improvement to the light source radiating angle scope, it is leg-of-mutton projection that the lamp plate projection is arranged to cross section, enclose mode with circumference on the lamp plate projection and be provided with three sides that can distinguish the mounted LED lamp plate, make arrange vertical with horizontal plane of LED lamp pearl on the LED lamp plate, Effective Raise light source angle of coverage, its angle of coverage can reach between 230 °-270 °, and the intensity of light source distributes average.
Description of drawings
Fig. 1 is the structural representation of the utility model the first embodiment.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model the first embodiment.
Fig. 3 is the cutaway view of the utility model the first embodiment.
Fig. 4 is the structural representation of the utility model the second embodiment.
Fig. 5 is the structural representation of the utility model the 3rd embodiment.
Fig. 6 is the structural representation that the utility model the 3rd embodiment installs the cup of giving out light additional.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
The first embodiment: as shown in Figure 1 to Figure 3, the LED bulb, comprise metal connector 1, insulating sleeve 2, radiator 3 and cloche 4, metal connector 4 is connected to insulating sleeve 2 bottoms, electronic building brick driver module 5 is installed in the insulating sleeve 2, radiator 3 is set on the insulating sleeve 2, and its end face is fixed with LED lamp plate 6, it is characterized in that;
Described radiator 3 is by upper heat sink 301 and bottom radiator more than 302, the hollow sphere shape that lower connecting method forms, insulating sleeve 2 is provided with support ring 201 near the outer wall of bottom, bottom radiator 302 bottom surfaces and the support ring 201 that are set on the insulating sleeve 2 offset, upper heat sink 301 end face 301-1 are extended with heat radiation sleeve 301-2, heat radiation sleeve 301-2 is set on the insulating sleeve 2 fixing, LED lamp plate 6 is fixed on heat radiation sleeve 301-2 top board 301-3, cloche 4 is located at LED lamp plate 6 outsides, and is connected with upper heat sink 301 end face 301-1 installation by the commissura 401 of bottom end opening;
Described upper heat sink 301 sidewalls have a plurality of upper louvre 301-4 that communicate with inner chamber by circumferencial direction;
Described heat radiation sleeve 301-2 end face and LED lamp plate 6 have upper central through hole 301-5 and the lamp plate central through hole 601 that connects with upper louvre 301-4.
LED bulb of the present utility model, by offering louvre 301-4 in upper heat sink 301, central through hole 301-5 and lamp plate central through hole 601 in the cooperation, consist of a gas channel that connects with the external world, make the heat of an assembly in the bulb contact and to derive with outside air by this gas channel, realize the purpose of heat radiation, and the external form of upper heat sink 301 and bottom radiator 302 compositions is hemisphere, hemispheroidal sidewall is arc surface 303, in order to reduce the resistance of Air Flow, and upper heat sink 301 and bottom radiator are more than 302, lower connecting method is set on the insulating sleeve 2, and its compact conformation is easy for installation.
More specifically embodiment as the present embodiment:
Be provided with the first air flue gap 7 between the inner face of described insulating sleeve 2 end faces 202 and heat radiation sleeve 301-2 top board 301-3, be provided with 8, the first air flue gaps 7, the second air flue gap between insulating sleeve 2 outer walls 203 and the upper heat sink 301 interior cavity wall 301-6 and the second air flue gap 8 has formed the water conservancy diversion air flue that runs through louvre 301-4, upper central through hole 301-5 and lamp plate central through hole 601; The water conservancy diversion air flue is communicated with upper louvre 301-4, upper central through hole 301-5 and lamp plate central through hole 601, make hot gas and outside air in the bulb carry out heat exchange, effectively reduce the operating temperature of bulb inside, the service life of improving LED and electric drive assembly thereof.
Further, described heat radiation sleeve 301-2 sidewall has a plurality of upside louvre 301-7 by circumferencial direction, and upside louvre 301-7 communicates with the water conservancy diversion air flue; Upside louvre 301-7 further improves the flow of gas channel, improves radiating effect.
Further, described heat radiation sleeve 301-2 top board 301-3 offers connecting hole 301-11, the insulating sleeve 2 of corresponding connecting hole 301-11 is provided with joint pin 204, and securing member is located on connecting hole 301-11 and the joint pin 304, and upper heat sink 301 is fixing with insulating sleeve 2; Connect simply, rationally easy accessibility, firm position.
Further, described bottom radiator 302 sidewalls have extended upward a plurality of heat radiation support arm 302-2 by circumferencial direction, and corresponding upper heat sink 301 sidewalls are provided with the locating slot 301-12 that is in clamping connection with the support arm 302-2 that dispels the heat; Heat radiation support arm 302-2 at first can improve the area of dissipation of radiator 3, improve radiating efficiency, moreover, the heat radiation support arm 302-2 of bottom radiator 302 and the locating slot 301-12 of upper heat sink 301 are connected, improve both splicing firmness and positioning intensity, and a plurality of heat radiation support arm 302-2 presses the circumferencial direction arrangement, the approximate petal-shaped of formation, its good looking appearance, the added value of raising bulb.
Further, described insulating sleeve 2 outer walls 203 have at least one guiding gutter 203-1 along the height bearing of trend; Guiding gutter 203-1 can increase the space of Air Flow, improves radiating efficiency.
Further, described upper heat sink 301 and bottom radiator 302 are respectively by aluminium block integral type die cast.
Further, on the described LED lamp plate 6 reflector 9 is installed; Distribution of light sources is more even in addition for reflector 9.
The second embodiment: as shown in Figure 4, its structure is similar to the first embodiment, and difference is, described bottom radiator 302 sidewalls have lower louvre 302-1 corresponding to a plurality of and upper louvre 301-4 by circumferencial direction; Upper louvre 301-4 and lower louvre 302-1 form the heat dissipation ventilation groove, increase the turnover flow of cold and hot air, improve radiating effect.
The 3rd embodiment: as shown in Figure 5, as the improvement to the light source radiating angle scope, other structures are similar to the first embodiment and/or the first embodiment, difference is, be extended with lamp plate projection 301-8 on the described heat radiation sleeve 301-2 end face, the sidewall of lamp plate projection 301-8 encloses mode by three side 301-9 with circumference respectively and forms, be separately installed with LED lamp plate 6 on the every side 301-9, offer the upper heat dissipation channel that communicates with upper central through hole on the lamp plate projection 301-8, described near offering the end face through hole 301-10 that communicates with upper louvre 301-5 on the adjacent heat radiation sleeve top board of every LED lamp plate, also be provided with the projection passage 301-13 that communicates with upper louvre 301-5 on the lamp plate projection, the opening 301-14 of projection passage 301-13 is opened in lamp plate projection 301-8 end face; It is leg-of-mutton projection that lamp plate projection 301-8 is arranged to cross section, upward enclose mode with circumference is provided with three side 301-9 that can distinguish mounted LED lamp plate 6 to lamp plate projection 301-8, make arrange vertical with horizontal plane of LED lamp pearl on the LED lamp plate 6, Effective Raise light source angle of coverage, its angle of coverage can reach between 230 °-270 °, and the intensity of light source distributes average, and the present embodiment can also install reflector additional, as shown in Figure 6.
Above-described specific embodiment only is the utility model preferred embodiment, and the equivalent arrangements of such as doing according to the utility model claim all should be technology of the present utility model and contains.
Claims (10)
1.LED bulb, comprise metal connector (1), insulating sleeve (2), radiator (3) and cloche (4), metal connector (4) is connected to insulating sleeve (2) bottom, electronic building brick driver module (5) is installed in the insulating sleeve (2), radiator (3) is set on the insulating sleeve (2), its end face is fixed with LED lamp plate (6), it is characterized in that;
Described radiator (3) is by upper heat sink (301) with more than the bottom radiator (302), the hollow sphere shape that lower connecting method forms, insulating sleeve (2) is provided with support ring (201) near the outer wall of bottom, bottom radiator (302) bottom surface and the support ring (201) that are set on the insulating sleeve (2) offset, upper heat sink (301) end face (301-1) is extended with heat radiation sleeve (301-2), it is upper fixing that heat radiation sleeve (301-2) is set in insulating sleeve (2), LED lamp plate (6) is fixed on heat radiation sleeve (301-2) top board (301-3), cloche (4) is located at LED lamp plate (6) outside, and is connected with upper heat sink (301) end face (301-1) installation by the commissura (401) of bottom end opening;
Described upper heat sink (301) sidewall has a plurality of upper louvres (301-4) that communicate with inner chamber by circumferencial direction;
Described heat radiation sleeve (301-2) end face and LED lamp plate (6) have upper central through hole (301-5) and the lamp plate central through hole (601) that connects with upper louvre (301-4).
2. described LED bulb according to claim 1, it is characterized in that, be provided with the first air flue gap (7) between the inner face of described insulating sleeve (2) end face (202) and heat radiation sleeve (301-2) top board (301-3), be provided with the second air flue gap (8) between insulating sleeve (2) outer wall (203) and the interior cavity wall of upper heat sink (301) (301-6), the first air flue gap (7) and the second air flue gap (8) have formed the water conservancy diversion air flue that runs through louvre (301-4), upper central through hole (301-5) and lamp plate central through hole (601).
3. described LED bulb according to claim 2 is characterized in that, described heat radiation sleeve (301-2) sidewall has a plurality of upside louvres (301-7) by circumferencial direction, and upside louvre (301-7) communicates with the water conservancy diversion air flue.
4. described LED bulb according to claim 1 is characterized in that, described bottom radiator (302) sidewall has lower louvre (302-1) corresponding to a plurality of and upper louvre (301-4) by circumferencial direction.
5. described LED bulb according to claim 1, it is characterized in that, be extended with lamp plate projection (301-8) on described heat radiation sleeve (301-2) end face, the sidewall of lamp plate projection (301-8) encloses mode by three sides (301-9) with circumference respectively and forms, be separately installed with LED lamp plate (6) on the every side (301-9), offer the upper heat dissipation channel that communicates with upper central through hole on the lamp plate projection (301-8), described near offering the end face through hole (301-10) that communicates with upper louvre (301-5) on the adjacent heat radiation sleeve top board of every LED lamp plate, also be provided with the projection passage (301-13) that communicates with upper louvre (301-5) on the lamp plate projection, the opening (301-14) of projection passage (301-13) is opened in lamp plate projection (301-8) end face.
6. according to claim 1 or 5 described LED bulbs, it is characterized in that, reflector (9) is installed on the described LED lamp plate (6).
7. according to claim 1 or 5 described LED bulbs, it is characterized in that, described heat radiation sleeve (301-2) top board (301-3) offers connecting hole (301-11), the insulating sleeve (2) of corresponding connecting hole (301-11) is provided with joint pin (204), securing member is located on connecting hole (301-11) and the joint pin (304), and upper heat sink (301) and insulating sleeve (2) is fixing.
8. described LED bulb according to claim 4, it is characterized in that, described bottom radiator (302) sidewall has extended upward a plurality of heat radiation support arms (302-2) by circumferencial direction, and corresponding upper heat sink (301) sidewall is provided with the locating slot (301-12) that is in clamping connection with the support arm that dispels the heat (302-2).
9. described LED bulb according to claim 7 is characterized in that, described insulating sleeve (2) outer wall (203) has at least one guiding gutter (203-1) along the height bearing of trend.
10. described LED bulb according to claim 1 is characterized in that, described upper heat sink (301) and bottom radiator (302) are respectively by aluminium block integral type die cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205142109U CN202884562U (en) | 2012-10-09 | 2012-10-09 | Light-emitting diode (LED) bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205142109U CN202884562U (en) | 2012-10-09 | 2012-10-09 | Light-emitting diode (LED) bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884562U true CN202884562U (en) | 2013-04-17 |
Family
ID=48075988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205142109U Withdrawn - After Issue CN202884562U (en) | 2012-10-09 | 2012-10-09 | Light-emitting diode (LED) bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900982A (en) * | 2012-10-09 | 2013-01-30 | 佛山市顺德区保利达电器有限公司 | Light emitting diode (LED) lamp bulb |
| CN110145697A (en) * | 2018-05-18 | 2019-08-20 | 浙江山蒲照明电器有限公司 | A kind of LED light |
-
2012
- 2012-10-09 CN CN2012205142109U patent/CN202884562U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900982A (en) * | 2012-10-09 | 2013-01-30 | 佛山市顺德区保利达电器有限公司 | Light emitting diode (LED) lamp bulb |
| CN102900982B (en) * | 2012-10-09 | 2014-08-13 | 佛山市顺德区保利达电器有限公司 | Light emitting diode (LED) lamp bulb |
| CN110145697A (en) * | 2018-05-18 | 2019-08-20 | 浙江山蒲照明电器有限公司 | A kind of LED light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |