CN102900982B - Light emitting diode (LED) lamp bulb - Google Patents
Light emitting diode (LED) lamp bulb Download PDFInfo
- Publication number
- CN102900982B CN102900982B CN201210379055.9A CN201210379055A CN102900982B CN 102900982 B CN102900982 B CN 102900982B CN 201210379055 A CN201210379055 A CN 201210379055A CN 102900982 B CN102900982 B CN 102900982B
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- lamp plate
- radiator
- sleeve
- insulating sleeve
- hole
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a light emitting diode (LED) lamp bulb, which comprises a metal connector, an insulating sleeve, a radiator and a glass cover, wherein an LED lamp plate is fixed on the top surface of the radiator; the radiator is formed by vertically splicing an upper radiator and a lower radiator and has a hollow sphere shape; a radiating sleeve extends out of the top surface of the upper radiator and is sleeved and fixed on the insulating sleeve; a plurality of upper radiating holes communicated with an inner cavity are formed in the side wall of the upper radiator along the circumferential direction; and an upper central through hole and a lamp plate central through hole which are communicated with the upper radiating holes are respectively formed in the top surface of the radiating sleeve and the LED lamp plate. The LED lamp bulb is simple and rational in structure; the upper radiating holes, the upper central through hole and the lamp plate central through hole are communicated to form a rational gas flow channel, so that a radiating effect is effectively improved, and the service life of the lamp bulb is prolonged.
Description
Technical field
The present invention 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 throw light on for indoor or outdoors as light source, LED bulb is generally with the interior running at one time 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 be due to overheated, causes LED flicker or LED fault even.
In addition, traditional lighting lamp pearl is in the use except being placed on ceiling, light source only needs outside one direction from top to bottom irradiates, and also having is much for being placed on some light fixtures that need to have surrounding light source (such as the other auxiliary lamp of sofa or half waist light fixture on corridor etc.).
Therefore, what applicant designed is a kind of improved LED bulb, and it can overcome above-mentioned problem.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, and improve a kind of simple and reasonable for structurely, 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 solution adopted for the present invention to solve the technical problems is: a kind of LED bulb, comprise metal connector, insulating sleeve, radiator and cloche, metal connector is connected to insulating sleeve bottom, electronic building brick driver module is installed in insulating sleeve, radiator muff-joint is located on insulating sleeve, its end face is fixed with 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 insulating sleeve offset, upper heat sink end face is extended with heat radiation sleeve, radiating sleeve jacket casing is located on insulating sleeve fixing, LED lamp plate is fixed on heat radiation sleeve top board, cloche is located at LED lamp plate outside, and is installed and be connected with 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 connecting with upper louvre.
LED bulb of the present invention, by offer louvre in upper heat sink, central through hole and lamp plate central through hole in cooperation, form a gas channel connecting with the external world, make the heat of an assembly in bulb contact and to derive with outside air by this gas channel, realize the object 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 bottom radiator, lower connecting method is set on insulating sleeve, its compact conformation, easy for installation.
The present invention can also adopt following technical measures to solve: between described insulating sleeve end face and the inner face of heat radiation sleeve top board, be provided with the first air flue gap, in insulating sleeve outer wall and upper heat sink, between cavity wall, be provided with the second air flue gap, 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; 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 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 upside louvre communicates with water conservancy diversion air flue; Upside louvre further improves the flow of gas channel, improves radiating effect.
Described bottom radiator sidewall has by circumferencial direction the lower louvre that a plurality of and upper louvre is corresponding; Upper and lower louvre forms heat dissipation ventilation groove, increases the turnover flow of cold and hot air, improves radiating effect.
On described heat radiation sleeve end face, be extended with lamp plate projection, the sidewall of lamp plate projection encloses mode by three sides with circumference respectively and forms, on every side, be separately installed with LED lamp plate, on lamp plate projection, offer the upper heat dissipation channel communicating with upper central through hole, described near offering the end face through hole communicating with upper louvre on the adjacent heat radiation sleeve top board of every LED lamp plate, on lamp plate projection, be also provided with the projection passage communicating with upper louvre, the opening of projection passage is opened in lamp plate projection end face; As the improvement to light source radiating angle scope, it is leg-of-mutton projection that lamp plate projection is arranged to cross section, on lamp plate projection, with circumference, enclose mode and be provided with three sides that can distinguish mounted LED lamp plate, make arrange vertical with horizontal plane of LED lamp pearl on LED lamp plate, effectively improve 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 water conservancy diversion air flue and further improve radiating efficiency.
On described LED lamp plate, reflector is installed; The another distribution of light sources of reflector is more even.
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 joint pin, and upper heat sink and insulating sleeve are fixed; It is simple, reasonable to connect, 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 being in clamping connection with the support arm that dispels the heat; First heat radiation support arm 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 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 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 invention has the beneficial effects as follows: (1), a kind of LED bulb of the present invention, it is simple in structure, rationally, by offer louvre in upper heat sink, central through hole and lamp plate central through hole in cooperation, form a gas channel connecting with the external world, make the heat of an assembly in bulb contact and to derive with outside air by this gas channel, realize the object 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 bottom radiator, lower connecting method is set on insulating sleeve, its compact conformation, easy for installation.
(2), a kind of LED bulb of the present invention, as the improvement to light source radiating angle scope, it is leg-of-mutton projection that lamp plate projection is arranged to cross section, on lamp plate projection, with circumference, enclose mode and be provided with three sides that can distinguish mounted LED lamp plate, make arrange vertical with horizontal plane of LED lamp pearl on LED lamp plate, effectively improve light source angle of coverage, its angle of coverage can reach between 230 °-270 °, and the intensity of light source distributes average.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of first embodiment of the invention.
Fig. 3 is the cutaway view of first embodiment of the invention.
Fig. 4 is the structural representation of second embodiment of the invention.
Fig. 5 is the structural representation of third embodiment of the invention.
Fig. 6 is the structural representation that third embodiment of the invention installs the cup of giving out light additional.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
The first embodiment: as shown in Figure 1 to Figure 3, a kind of LED bulb, comprise metal connector 1, insulating sleeve 2, radiator 3 and cloche 4, metal connector 1 is connected to insulating sleeve 2 bottoms, electronic building brick driver module 5 is installed in insulating sleeve 2, radiator 3 is set on 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 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 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 install and be connected with upper heat sink 301 end face 301-1 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 connecting with upper louvre 301-4.
LED bulb of the present invention, by offer louvre 301-4 in upper heat sink 301, central through hole 301-5 and lamp plate central through hole 601 in cooperation, form a gas channel connecting with the external world, make the heat of an assembly in bulb contact and to derive with outside air by this gas channel, realize the object 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 insulating sleeve 2, its compact conformation, easy for installation.
More specifically embodiment as the present embodiment:
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 the first air flue gap 7, between insulating sleeve 2 outer walls 203 and the interior cavity wall 301-6 of upper heat sink 301, be provided with 8, the first air flue gaps 7, the second air flue gap 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; 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 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 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 joint pin 304, and upper heat sink 301 is fixing with insulating sleeve 2; It is simple, reasonable to connect, 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 being in clamping connection with the support arm 302-2 that dispels the heat; First heat radiation support arm 302-2 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 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 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 described LED lamp plate 6, reflector 9 is installed; The another distribution of light sources of reflector 9 is more even.
The second embodiment: as shown in Figure 4, its structure is similar to the first embodiment, difference is, described bottom radiator 302 sidewalls have by circumferencial direction the lower louvre 302-1 that a plurality of and upper louvre 301-4 is corresponding; Upper louvre 301-4 and lower louvre 302-1 form 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 light source radiating angle scope, other structures are similar to the first embodiment and/or the first embodiment, difference is, on described heat radiation sleeve 301-2 end face, be extended with lamp plate projection 301-8, the sidewall of lamp plate projection 301-8 encloses mode by three side 301-9 with circumference respectively and forms, on every side 301-9, be separately installed with LED lamp plate 6, on lamp plate projection 301-8, offer the upper heat dissipation channel communicating with upper central through hole, described near offering the end face through hole 301-10 communicating with upper louvre 301-5 on the adjacent heat radiation sleeve top board of every LED lamp plate, on lamp plate projection, be also provided with the projection passage 301-13 communicating with upper louvre 301-5, 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, above with circumference, enclose mode 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 LED lamp plate 6, effectively improve 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, is only preferred embodiment of the present invention, and the equivalent arrangements of such as doing according to the present patent application the scope of the claims, all should be technology of the present invention and contain.
Claims (9)
1. a LED bulb, comprise metal connector (1), insulating sleeve (2), radiator (3) and cloche (4), metal connector (1) is connected to insulating sleeve (2) bottom, electronic building brick driver module (5) is installed in insulating sleeve (2), radiator (3) is set on 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 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 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 install and be connected with upper heat sink (301) end face (301-1) 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) connecting with upper louvre (301-4);
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 first air flue gap (7), between insulating sleeve (2) outer wall (203) and the interior cavity wall of upper heat sink (301) (301-6), be provided with the second air flue gap (8), 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).
2. LED bulb according to claim 1, 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 water conservancy diversion air flue.
3. LED bulb according to claim 1, is characterized in that, described bottom radiator (302) sidewall has by circumferencial direction the lower louvre (302-1) that a plurality of and upper louvre (301-4) is corresponding.
4. LED bulb according to claim 1, it is characterized in that, on described heat radiation sleeve (301-2) end face, be extended with lamp plate projection (301-8), the sidewall of lamp plate projection (301-8) encloses mode by three sides (301-9) with circumference respectively and forms, on every side (301-9), be separately installed with LED lamp plate (6), on lamp plate projection (301-8), offer the upper heat dissipation channel communicating with upper central through hole, described near offering the end face through hole (301-10) communicating with upper louvre (301-5) on the adjacent heat radiation sleeve top board of every LED lamp plate, on lamp plate projection, be also provided with the projection passage (301-13) communicating with upper louvre (301-5), the opening (301-14) of projection passage (301-13) is opened in lamp plate projection (301-8) end face.
5. according to LED bulb described in claim 1 or 4, it is characterized in that, reflector (9) is installed on described LED lamp plate (6).
6. according to LED bulb described in claim 1 or 4, 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 in connecting hole (301-11) and joint pin (304) is upper, and upper heat sink (301) and insulating sleeve (2) is fixing.
7. LED bulb according to claim 3, 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) being in clamping connection with the support arm that dispels the heat (302-2).
8. LED bulb according to claim 6, is characterized in that, described insulating sleeve (2) outer wall (203) has at least one guiding gutter (203-1) along height bearing of trend.
9. 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 |
|---|---|---|---|
| CN201210379055.9A CN102900982B (en) | 2012-10-09 | 2012-10-09 | Light emitting diode (LED) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379055.9A CN102900982B (en) | 2012-10-09 | 2012-10-09 | Light emitting diode (LED) lamp bulb |
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| Publication Number | Publication Date |
|---|---|
| CN102900982A CN102900982A (en) | 2013-01-30 |
| CN102900982B true CN102900982B (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210379055.9A Expired - Fee Related CN102900982B (en) | 2012-10-09 | 2012-10-09 | Light emitting diode (LED) lamp bulb |
Country Status (1)
| Country | Link |
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| CN (1) | CN102900982B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145697B (en) * | 2018-05-18 | 2020-12-18 | 浙江山蒲照明电器有限公司 | LED lamp |
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| CN102900982A (en) | 2013-01-30 |
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Granted publication date: 20140813 Termination date: 20211009 |