CN200979140Y - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
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- CN200979140Y CN200979140Y CNU2006201656451U CN200620165645U CN200979140Y CN 200979140 Y CN200979140 Y CN 200979140Y CN U2006201656451 U CNU2006201656451 U CN U2006201656451U CN 200620165645 U CN200620165645 U CN 200620165645U CN 200979140 Y CN200979140 Y CN 200979140Y
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- cover body
- light
- emitting device
- radiator
- radiating end
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- 238000004020 luminiscence type Methods 0.000 claims description 92
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses an illuminating device comprising a mask body, an illuminating element and a heat radiator, wherein the mask body is equipped with an emitting end and a heat radiation end against each other, and forms a first port and a second port on the emitting end and the heat radiation end, the illuminating element is equipped on the inside of the mask body, against the heat radiation end, emits light towards the emitting end which goes through the first port, and the heat radiator is fixed on the heat radiator end of the mask body and contacts the illuminating element towards one side of the second port to exclude the heat generated by the illuminating element outside the mask body.
Description
Technical field
The utility model relates to a kind of light-emitting device, particularly a kind of light-emitting device with radiator.
Background technology
In society now, equipment such as daily such as being seen traffic sign, light fixture, electronic device display keep the luminescence component that light source is provided in all.And general illumination existing fluorescent tube of institute or bulb, under using for a long time, easy high heat because of its generation makes the luminous efficacy of bulb reduce, and causes shorten and necessary frequent the replacing service life of bulb.
Photoelectricity science and technology and technology progress constantly in recent years, light emitting diode (Light Emitting Diode, LED) fast, long service life of, reaction speed light and handy and the low advantage of power consumption by feat of volume, replaced traditional luminescence components such as bulb, paid attention to most at present and range of application luminescent material quite widely and become.
Yet, high-power light emitting diode means the generation of high heat energy relatively, and because the volume of light emitting diode is small, the related heat that makes that unit are produced also relatively increases, if untimely heat energy is loose removed, probably will have a strong impact on the luminous efficacy of light emitting diode, or even overheated and cause and burn.In the prior art, the heat dissipating method of the light emitting diode that lighting apparatus adopted, be to utilize cover to overlay on the approach of the metal cover body of light emitting diode outside as heat radiation, but owing to be to contact heat conducting form between existing cover body and the light emitting diode, because the volume of light emitting diode is small, therefore the effect of contact heat radiation is quite limited, and in the face of the light emitting diode that present power improves day by day, the light emitting diode that has not applied high power requirements uses.
Heat for loss light emitting diode is more effectively produced additionally adds the heat abstractor as different kenels such as fan, fin, soaking plate then on lighting device, derive with the used heat of fast light emitting diode being derived." radiator structure of LED projecting lamp " that is disclosed in TaiWan, China patent M278217 patent case, its luminescence unit is arranged on the radiator, and folder is placed between the second radiator, with locking mode second radiator is linked mutually again, so that luminescence unit is installed in the second radiator, and the heat that the luminescence unit running produces will directly be absorbed by radiator, conducts on the second radiator and dispels the heat.
Above-mentioned M278217 patent, though can conduct fast and the heat energy that produced of dissipation luminescence unit, its radiator structure is combined with a plurality of radiating subassembly, causes the volume of lighting device too huge, and also increase relatively of manufacturing cost.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is: a kind of light-emitting device is provided, the radiating efficiency of lighting device with the improvement background technology is limited, and use a plurality of radiators to dispel the heat, and cause the volume of lighting device too huge, the problem of related increase manufacturing cost.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of light-emitting device is characterized in that: it includes: a cover body has a relative projection end and a radiating end, and forms one first opening and one second opening respectively at described radiating end and described projection end;
One luminescence unit is arranged on described cover body inboard, corresponding to described radiating end, passes described first opening in order to throw a light towards described projection end; With a radiator, be fixed on described radiating end, and contact removes the heat of described luminescence unit in the side of described luminescence unit towards described second opening to loose.
Preferable, technique scheme can also be added following technical characterictic:
More include a set of lenses, be located at described projection end and cover described first opening, in order to reflect the light of described luminescence unit.
Described cover body has a flange, around the inner peripheral surface that is convexly equipped with at described cover body, and the radiating end of approaching described cover body, in order to hold described luminescence unit.
Described luminescence unit more includes: a circuit board is arranged on described cover body inboard, corresponding to the radiating end of described cover body; With at least one luminescence component, be arranged on the described circuit board, described luminescence component is towards the described first opening throw light; Wherein said radiator is that contact is in the side of described circuit board towards described second opening.
Described radiator includes a base plate and a fins group, described base plate is that the radiating end that is fixed on described cover body also contacts at described luminescence unit, and described fins group is arranged on the side of described base plate towards described cover body outside, and is positioned at the outside of described cover body.
More include a buckling piece, suppress the fins group of described radiator and be fastened on described cover body, described radiator is fixed on the radiating end of described cover body.
Described buckling piece has at least one button hole, and described cover body has at least one projection, is formed on the outer peripheral edges of described cover body, and described projection embeds described button hole and makes described buckling piece fasten described cover body.
More include a buckling piece, suppress the base plate of described radiator and be fastened on described cover body, described radiator is fixed on the radiating end of described cover body.
Described buckling piece has at least one button hole, and described cover body has at least one projection, is formed on the outer peripheral edges of described cover body, and described projection embeds described button hole and makes described buckling piece be fastened on described cover body.
Described cover body more includes at least one fixing hole, be formed on the radiating end of described cover body, and described fins group has at least one collar, extend to form edge in described fins group, one gim peg passes and is fixed in the described fixing hole, described radiator is fixed on the radiating end of described cover body.
Described fixing hole is a screw, and described gim peg is the bolt of a corresponding described screw.
Described gim peg is to be entrenched in the described fixing hole.
Described cover body inner peripheral surface forms a screw thread, corresponding to described radiating end, and the outer rim of described base plate has a thread, screws togather described screw thread, described base plate is locked together in the radiating end of described cover body, described radiator is fixed on the radiating end of described cover body.
The outer rim of described base plate has at least one cam part, and described cover body inner peripheral surface forms at least one fastening groove, and described fastening groove card ends described cam part so that described radiator is fixed on the described cover body.
The diameter of described base plate is the diameter greater than described second opening, and described base plate is fixed on the inboard of described cover body in the tight fit mode, described radiator is fixed on the radiating end of described cover body.
Described fins group has at least one collar, extend to form edge, and described cover body has at least one fixing hole, connect the two ends of described cover body in described fins group, one gim peg passes and is fixed in the described collar, described radiator is fixed on the radiating end of described cover body.
Described collar inside has a screw thread, and described gim peg is the bolt of a corresponding described screw.
Described gim peg is to be entrenched in the described collar.
More include at least one heat eliminating medium, be attached between described radiator and the described luminescence unit.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:
Effect of the present utility model is, rely on a radiator to be fixed on cover body, make radiator be in contact with one another applying by the luminescence unit of opening and cover body inside, so will need not use a plurality of radiators, can be effectively and a large amount of heat energy of being produced of dissipation luminescence unit apace, and can reach the purpose of reduction light-emitting device volume simultaneously.
Description of drawings
Figure 1A is the decomposing schematic representation of the utility model first embodiment;
Figure 1B is the three-dimensional combination figure of the utility model first embodiment;
Fig. 1 C is the generalized section of the utility model first embodiment;
Fig. 2 A is the decomposing schematic representation of the utility model second embodiment;
Fig. 2 B is the three-dimensional combination figure of the utility model second embodiment;
Fig. 3 A is the decomposing schematic representation of the utility model the 3rd embodiment;
Fig. 3 B is the three-dimensional combination figure of the utility model the 3rd embodiment;
Fig. 4 A is the decomposing schematic representation of the utility model the 4th embodiment;
Fig. 4 B is the three-dimensional combination figure of the utility model the 4th embodiment;
Fig. 5 A is the decomposing schematic representation of the utility model the 5th embodiment;
Fig. 5 B is the three-dimensional combination figure of the utility model the 5th embodiment;
Fig. 6 A is the decomposing schematic representation of the utility model the 6th embodiment;
Fig. 6 B is the three-dimensional combination figure of the utility model the 6th embodiment;
Fig. 7 A is the decomposing schematic representation of the utility model the 7th embodiment;
Fig. 7 B is the three-dimensional combination figure of the utility model the 7th embodiment;
Fig. 7 C is the generalized section of the utility model the 7th embodiment;
Fig. 8 A is the decomposing schematic representation of the utility model the 8th embodiment;
Fig. 8 B is the three-dimensional combination figure of the utility model the 8th embodiment;
Fig. 8 C is the generalized section of the utility model the 8th embodiment;
Fig. 9 A is the decomposing schematic representation of the utility model the 9th embodiment;
Fig. 9 B is the three-dimensional combination figure of the utility model the 9th embodiment;
Fig. 9 C is the generalized section of the utility model the 9th embodiment.
Description of reference numerals: 100-light-emitting device; The 110-set of lenses; The 120-cover body; 121-throws end; 121a-first opening; The 122-radiating end; 122a-second opening; The 123-flange; The 124-projection; The 130-luminescence unit; The 131-circuit board; The 132-luminescence component; The 140-radiator; The 141-base plate; The 142-fins group; The 143-heat eliminating medium; The 150-buckling piece; The 151-button hole; The 100-light-emitting device; The 120-cover body; The 122-radiating end; The 123-flange; 122a-second opening; The 124-projection; The 130-luminescence unit; The 140-radiator; The 141-base plate; The 142-fins group; The 150-buckling piece; The 151-button hole; The 100-light-emitting device; The 120-cover body; 121-throws end; The 122-radiating end; 122a-second opening; The 122b-fixing hole; The 125-fixed part; The 130-luminescence unit; The 140-radiator; The 141-base plate; The 142-fins group; The 1421-collar; The 160-gim peg; The 100-light-emitting device; The 120-cover body; 121-throws end; The 122-radiating end; 122a-second opening; The 122b-fixing hole; The 130-luminescence unit; The 131-circuit board; The 141-base plate; The 142-fins group; The 1421-collar; The 160-gim peg; The 100-light-emitting device; The 120-cover body; 121-throws end; The 122-radiating end; 122a-second opening; The 122b-fixing hole; The 125-fixed part; The 130-luminescence unit; The 140-radiator; The 141-base plate; The 142-fins group; The 1421-collar; The 160-gim peg; The 100-light-emitting device; The 120-cover body; 121-throws end; The 122-radiating end; 122a-second opening; The 122b-fixing hole; The 125-fixed part; The 130-luminescence unit; The 131-circuit board; The 141-base plate; The 142-fins group; The 1421-collar; The 160-gim peg; The 100-light-emitting device; The 120-cover body; The 122-radiating end; 122a-second opening; The 126-screw thread; The 130-luminescence unit; The 140-radiator; The 141-base plate; The 1411-thread; The 142-fins group; The 100-light-emitting device; The 120-cover body; The 122-radiating end; 122a-second opening; The 127-fastening groove; The 130-luminescence unit; The 140-radiator; The 141-base plate; The 1412-cam part; The 142-fins group; The 100-light-emitting device; The 120-cover body; The 122-radiating end; 122a-second opening; The 130-luminescence unit; The 140-radiator; The 141-base plate; The 142-fins group.
The specific embodiment
Figure 1A, Figure 1B, with Fig. 1 C be depicted as a kind of light-emitting device 100 that the utility model first embodiment is disclosed, it includes a set of lenses 110, a cover body 120, a luminescence unit 130 and a radiator 140.
Consult shown in Figure 1A to Fig. 1 C, cover body 120 can be the hollow structure of any form again, for example the hollow structure of taper.Cover body 120 has a relative projection end 121 and one radiating end 122, forms one first opening 121a at projection end 121, and forms one second opening 122a at radiating end 122.Set of lenses 110 is to be fixed on projection end 121, and covers the first opening 121a, so that cover body 120 mutually combines with set of lenses 110.
Consult shown in Figure 1A to Fig. 1 C, luminescence unit 130 is arranged on cover body 120 inboards again, and corresponding to radiating end 122, luminescence unit 130 has a circuit board 131, and one or a plurality of luminescence component 132.The external diameter of circuit board 131 is similar to the second opening 122a, and circuit board 131 is arranged on cover body 120 inboards, and covers the second opening 122a.Luminescence component 132 is arranged on circuit board 131, and circuit board 131 is provided with a side of luminescence component 132, is towards projection end 121 so that luminescence component 132 towards projection end 121 throw lights by the first opening 121a, light is projected in the set of lenses 110.Light can be reached the effect of focusing, scattering or diffusion via set of lenses 110 refractions.Radiator 140 is fixed on the radiating end 122 of cover body 120, and by second opening 122a contact at the circuit board 121a of luminescence unit 130 a side, a large amount of heat energy that the luminescence component 132 that removes luminescence unit 130 to loose is fast produced when running towards the second opening 122a.
It should be noted that the luminescence component 132 of luminescence unit 130 can be the member of independent setting, or arrange formation array different kenels such as (array).
Shown in Figure 1A to Fig. 1 C, wherein cover body 120 has more a flange 123, around the inner peripheral surface that is convexly equipped with at cover body 120, near the radiating end 122 of cover body 120.Flange 123 is in order to the circuit board 131 that holds luminescence unit 130, makes luminescence unit 130 unlikely towards cover body 120 inner moving, and makes and be arranged on luminescence component 132 on the circuit board 131, can stablize and exactly light is incident upon in the set of lenses 110.
Consult shown in Figure 1A to Fig. 1 C, radiator 140 includes a base plate 141 and a fins group 142 again.Base plate 141 is the radiating ends 122 that are fixed on cover body 120, is in contact with one another in order to the circuit board 131 by the second opening 122a and luminescence unit 130.Fins group 142 is arranged on the side of base plate 141 towards cover body 120 outsides, and is positioned at the outside of cover body 120.The heat that absorbs luminescence component 132 by base plate 141 is passed to fins group 142, and the external again loss heat of fins group 142 can loose fast and remove the heat that luminescence component 132 produces, and luminescence unit 130 is cooled off.In addition, more at least one heat eliminating medium 143 can be set between circuit board 131 and base plate 141, and be attached to two relative surfaces of circuit board 131 and base plate 141, to reduce the thermal contact resistance between circuit board 131 and the base plate 141.
It is the metal material of number that the fins group 142 that the utility model disclosed and the material of base plate 141 have high heat conduction including, but not limited to aluminum or aluminum alloy, copper or copper alloy etc., with quick conduction and the diffusing heat that removes luminescence unit 130.
Please continue to consult Figure 1A to Fig. 1 C, first embodiment of the present utility model more includes one in order to radiator 140 is fixed on the buckling piece 150 of cover body 120 1 ends.Buckling piece 150 is supports of an approximate ㄇ font, and two ends of buckling piece are respectively equipped with a button hole 151.Cover body 120 has two projections 124 corresponding to button hole 151, is formed on the outer peripheral face of cover body 120.Buckling piece 150 is the tops that are compressed on fins group 142, and the projection 124 of cover body 120 is to embed two button holes 151, so that buckling piece 150 is fastened on cover body 120, and then compress radiator 140 with on the radiating end 122 that is fixed on cover body 120, and base plate 141 is closely contacted with the circuit board 131 of luminescence unit 130 by the second opening 122a, loose with the heat that effectively luminescence unit 130 is produced and remove.
In addition, the luminescence component that above-mentioned luminescence component 132 can emit beam including, but not limited to light emitting diode (LED) or bulb etc., and the utility model is as graphic detailed description, not as limit with light emitting diode.
Consult shown in Fig. 2 A and Fig. 2 B light-emitting device 100 that is disclosed for the utility model second embodiment again.Be one to have the cableties of two button holes 151 wherein in order to the buckling piece 150 of fixed heat sink 140, be compressed on the base plate 141, and the projection 124 of cover body 120 embeds in the button hole 151, so that buckling piece 150 is fastened on cover body 120, with with base plate 141 compacting and be fixed on the radiating end 122 of cover body 120, and then compress radiator 140 with on the radiating end 122 that is fixed on cover body 120.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122, the base plate 141 of radiator 140 is closely to contact with luminescence unit 130 by the second opening 122a, and the fins group 142 that is arranged on base plate 141 is positioned at outside the cover body 120, loose with the heat that effectively luminescence unit 130 is produced and remove.
Shown in Fig. 3 A and Fig. 3 B, the light-emitting device 100 that is disclosed for the utility model the 3rd embodiment.Cover body 120 has two fixing hole 122b, is positioned at the radiating end 122 of cover body 120.In order to make cover body 120 have enough thickness to offer fixing hole 122b, have more two fixed parts 125 at cover body 120, be convexly equipped with outer peripheral face at cover body 120.Each fixed part 125 be along cover body 120 axially, extend to projection end 121 by radiating end 122, and fixing hole 122b is opened in the part of fixed part 125 corresponding to radiating end 122 along long axis direction, and fixing hole 122b can select to connect or do not connect the two ends of fixed part 125.Radiator 140 has a base plate 141 and a fins group 142, and fins group 142 is arranged on the base plate 141, and the collar 1421 of the two C shapes that it has extends to form at the edge of fins group 142, and wherein the collar 1421 is the lateral borders that extend in the fin of fins group 142.The collar 1421 is to use for gim peg 160 to pass, and penetrates and be fixed among the fixing hole 122b by radiating end 122 with the front end of gim peg 160, and then radiator 140 is installed on the cover body 120.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122, base plate 141 is closely to contact with luminescence unit 130 by the second opening 122a, and fins group 142 is positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.Fixing hole 122b is a screw in addition, and gim peg 160 is bolts of a corresponding screw, in order to being locked together among the fixing hole 122b, and the front end of gim peg 160 is fixed among the fixing hole 122b.
Shown in Fig. 4 A and Fig. 4 B, a kind of light-emitting device 100 that is disclosed for the utility model the 4th embodiment.In the present embodiment, the fixing hole 122b of cover body 120 is the two ends that connect fixed part 125, makes fixing hole 122b connect the projection end 121 and radiating end 122 of cover body 120.Gim peg 160 is that the projection end 121 by cover body 120 passes fixing hole 122b and gives prominence at radiating end 122.Then the front end of gim peg 160 penetrates and is fixed on the collar 1421 of fins group 142 again, and then radiator 140 is installed on the cover body 120.So that base plate 141 closely contacts with the circuit board 131 of luminescence unit 130 by the second opening 122a, loose with the heat that effectively luminescence unit 130 is conducted and remove.In this embodiment, gim peg 160 is bolts, and the inner peripheral surface of the collar 1421 forms the screw of corresponding bolt, uses for gim peg 160 to be locked together in the collar 1421, and the front end of gim peg 160 is fixed in the collar 1421, and then radiator 140 is installed on the cover body 120.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122, base plate 141 is closely to contact with luminescence unit 130 by the second opening 122a, and fins group 142 is positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.
Shown in Fig. 5 A and Fig. 5 B, the light-emitting device 100 that is disclosed for the utility model the 5th embodiment.Cover body 120 has two fixing hole 122b, is positioned at the radiating end 122 of cover body 120.In order to make cover body 120 have enough thickness to offer fixing hole 122b, have more two fixed parts 125 at cover body 120, be convexly equipped with outer peripheral face at cover body 120.Each fixed part 125 be along cover body 120 axially, extend to projection end 121 by radiating end 122, and fixing hole 122b is opened in the part of fixed part 125 corresponding to radiating end 122 along long axis direction, and fixing hole 122b can select to connect or do not connect the two ends of fixed part 125.Fins group 142 is arranged on the base plate 141, and the collar 1421 that it has two C shapes is positioned at the edge of fins group 142, and wherein the collar 1421 is used respectively for a gim peg 160 and passed.The external diameter of the front end of gim peg 160, it is internal diameter greater than fixing hole 122b, so that gim peg 160 pass radiator the collar 1421 after, be fixed among the fixing hole 122b in chimeric mode with its front end again, and then make radiator 140 be fixed on the radiating end 122 of cover body 120, base plate 141 is closely contacted with the circuit board 131 of luminescence unit 130 by the second opening 122a, and then radiator 140 is installed on the cover body 120.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122, base plate 141 is closely to contact with luminescence unit 130 by the second opening 122a, and fins group 142 is positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.
Shown in Fig. 6 A and Fig. 6 B, the light-emitting device 100 that is disclosed for the utility model the 6th embodiment.In the present embodiment, the fixing hole 122b of cover body 120 is the two ends that connect fixed part 125, makes fixing hole 122b connect the two ends of cover body 120.The external diameter of gim peg 160 is the internal diameters less than fixing hole 122b, and gim peg 160 can pass fixing hole 122b by the projection end 121 of cover body 120 and give prominence at radiating end 122.And the external diameter of the front end of gim peg 160 is the internal diameters greater than the collar 1421, so that the front end of gim peg 160 is fixed in the collar 1421 in chimeric mode, and then makes radiator 140 be fixed on the radiating end 122 of cover body 120.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122, base plate 141 is closely to contact with the circuit board 131 of luminescence unit 130 by the second opening 122a, and fins group 142 is positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.
Fig. 7 A, Fig. 7 B, with shown in Fig. 7 C, a kind of light-emitting device 100 that is disclosed for the utility model the 7th embodiment.In the present embodiment, radiator 140 has a base plate 141 and a fins group 142, and wherein fins group 142 is arranged on the base plate 141, and base plate 141 outer rims have a thread 1411.The medial surface of cover body 120 forms the screw thread 126 corresponding to thread 1411 near radiating end 122 places.The thread 1411 of base plate 141 is in order to be screwed on screw thread 126, to make base plate 141 be combined in the radiating end 122 of cover body 120 with screw-in version.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122, base plate 141 is closely to contact with luminescence unit 130 by the second opening 122a, and fins group 142 is positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.
As Fig. 8 A, Fig. 8 B, with shown in Fig. 8 C, a kind of light-emitting device 100 that is disclosed for the utility model the 8th embodiment.In the present embodiment, radiator 140 has a base plate 141 and a fins group 142, and wherein fins group 142 is arranged on the base plate 141, and base plate 141 outer rims have two outstanding cam part.The medial surface of cover body 120 forms two fastening grooves 127 corresponding to cam part 1412 near radiating end 122 places.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122.After base plate 141 was placed radiating end 122, the cam part 1412 of base plate 141 can enter in the cover body 120 by the second opening 122a, and was resisted against the medial surface slip of cover body 120.Base plate 141 is after a rotation, and cam part 1412 is to be moved in the fastening groove 127, makes fastening groove 127 cards end cam part 1412, and makes base plate 141 can not break away from radiating end 122 vertically, so that radiator 140 is fixed on the cover body 120.Base plate 141 is closely to contact with luminescence unit 130, and fins group 142 is to be positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.
Fig. 9 A, Fig. 9 B, with Fig. 9 C be depicted as a kind of light-emitting device 100 that the utility model the 9th embodiment is disclosed.In the present embodiment, radiator 140 has a base plate 141 and a fins group 142, and wherein fins group 142 is arranged on the base plate 141, and base plate 141 slightly larger in diameter are in the diameter of the second opening 122a.Luminescence unit 130 is arranged on cover body 120 inboards, corresponding to radiating end 122.After base plate 141 was placed radiating end 122, base plate 141 was to be positioned at the second opening 122a, and interfixes at cover body 120 in the tight fit mode, so that radiator 140 is fixed on the cover body 120.Base plate 141 is closely to contact with luminescence unit 130, and fins group 142 is to be positioned at outside the cover body 120, looses with the heat that effectively luminescence unit 130 is produced and removes.
Compare with prior art, light-emitting device of the present invention only needs with a radiator, and firmly be installed in cover body opening part in various secure bond modes with luminescence unit, and fit mutually with luminescence unit and to contact, remove the high heat that luminescence unit is produced when running to loose fast, and the overall volume that can significantly reduce light-emitting device, to reach microminiaturized purpose.
More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.
Claims (19)
1. light-emitting device, it is characterized in that: it includes:
One cover body has a relative projection end and a radiating end, and forms one first opening and one second opening respectively at described radiating end and described projection end;
One luminescence unit is arranged on described cover body inboard, corresponding to described radiating end, passes described first opening in order to throw a light towards described projection end; With
One radiator is fixed on described radiating end, and contact removes the heat of described luminescence unit in the side of described luminescence unit towards described second opening to loose.
2. light-emitting device according to claim 1 is characterized in that: more include a set of lenses, be located at described projection end and cover described first opening, in order to reflect the light of described luminescence unit.
3. light-emitting device according to claim 1 is characterized in that: described cover body has a flange, around the inner peripheral surface that is convexly equipped with at described cover body, and the radiating end of approaching described cover body, in order to hold described luminescence unit.
4. light-emitting device according to claim 1 is characterized in that: described luminescence unit more includes:
One circuit board is arranged on described cover body inboard, corresponding to the radiating end of described cover body; With
At least one luminescence component is arranged on the described circuit board, and described luminescence component is towards the described first opening throw light;
Wherein said radiator is that contact is in the side of described circuit board towards described second opening.
5. light-emitting device according to claim 1, it is characterized in that: described radiator includes a base plate and a fins group, described base plate is that the radiating end that is fixed on described cover body also contacts at described luminescence unit, and described fins group is arranged on the side of described base plate towards described cover body outside, and is positioned at the outside of described cover body.
6. light-emitting device according to claim 5 is characterized in that: more include a buckling piece, suppress the fins group of described radiator and be fastened on described cover body, described radiator is fixed on the radiating end of described cover body.
7. light-emitting device according to claim 6, it is characterized in that: described buckling piece has at least one button hole, described cover body has at least one projection, is formed on the outer peripheral edges of described cover body, and described projection embeds described button hole and makes described buckling piece fasten described cover body.
8. light-emitting device according to claim 5 is characterized in that: more include a buckling piece, suppress the base plate of described radiator and be fastened on described cover body, described radiator is fixed on the radiating end of described cover body.
9. light-emitting device according to claim 8, it is characterized in that: described buckling piece has at least one button hole, described cover body has at least one projection, is formed on the outer peripheral edges of described cover body, and described projection embeds described button hole and makes described buckling piece be fastened on described cover body.
10. light-emitting device according to claim 5, it is characterized in that: described cover body more includes at least one fixing hole, be formed on the radiating end of described cover body, and described fins group has at least one collar, extend to form edge in described fins group, one gim peg passes and is fixed in the described fixing hole, described radiator is fixed on the radiating end of described cover body.
11. light-emitting device according to claim 10 is characterized in that: described fixing hole is a screw, and described gim peg is the bolt of a corresponding described screw.
12. light-emitting device according to claim 10 is characterized in that: described gim peg is to be entrenched in the described fixing hole.
13. light-emitting device according to claim 5, it is characterized in that: described cover body inner peripheral surface forms a screw thread, corresponding to described radiating end, and the outer rim of described base plate has a thread, screw togather described screw thread, described base plate is locked together in the radiating end of described cover body, described radiator is fixed on the radiating end of described cover body.
14. light-emitting device according to claim 5, it is characterized in that: the outer rim of described base plate has at least one cam part, and described cover body inner peripheral surface forms at least one fastening groove, and described fastening groove card ends described cam part so that described radiator is fixed on the described cover body.
15. light-emitting device according to claim 5, it is characterized in that: the diameter of described base plate is the diameter greater than described second opening, described base plate is fixed on the inboard of described cover body in the tight fit mode, described radiator is fixed on the radiating end of described cover body.
16. light-emitting device according to claim 5, it is characterized in that: described fins group has at least one collar, extend to form edge in described fins group, and described cover body has at least one fixing hole, the two ends that connect described cover body, one gim peg passes and is fixed in the described collar, described radiator is fixed on the radiating end of described cover body.
17. light-emitting device according to claim 16 is characterized in that: described collar inside has a screw thread, and described gim peg is the bolt of a corresponding described screw.
18. light-emitting device according to claim 16 is characterized in that: described gim peg is to be entrenched in the described collar.
19. light-emitting device according to claim 1 is characterized in that: more include at least one heat eliminating medium, be attached between described radiator and the described luminescence unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201656451U CN200979140Y (en) | 2006-12-15 | 2006-12-15 | Light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201656451U CN200979140Y (en) | 2006-12-15 | 2006-12-15 | Light-emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200979140Y true CN200979140Y (en) | 2007-11-21 |
Family
ID=38979516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201656451U Expired - Fee Related CN200979140Y (en) | 2006-12-15 | 2006-12-15 | Light-emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200979140Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806417A (en) * | 2010-04-01 | 2010-08-18 | 绿明科技股份有限公司 | Lamp heat-radiating structure of light source |
| CN101592326B (en) * | 2008-05-28 | 2012-06-13 | 富准精密工业(深圳)有限公司 | Light emitting diode (LED) lamp |
| CN104534426A (en) * | 2009-07-21 | 2015-04-22 | 库柏技术公司 | Interfacing a light emitting diode (LED) module to a heat sink assembly, a light reflector and electrical circuits |
| US10634321B2 (en) | 2007-09-21 | 2020-04-28 | Eaton Intelligent Power Limited | Light emitting diode recessed light fixture |
-
2006
- 2006-12-15 CN CNU2006201656451U patent/CN200979140Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10634321B2 (en) | 2007-09-21 | 2020-04-28 | Eaton Intelligent Power Limited | Light emitting diode recessed light fixture |
| US11570875B2 (en) | 2007-09-21 | 2023-01-31 | Signify Holding B.V. | Light emitting diode recessed light fixture |
| US11859796B2 (en) | 2007-09-21 | 2024-01-02 | Signify Holding B.V. | Light emitting diode recessed light fixture |
| CN101592326B (en) * | 2008-05-28 | 2012-06-13 | 富准精密工业(深圳)有限公司 | Light emitting diode (LED) lamp |
| CN104534426A (en) * | 2009-07-21 | 2015-04-22 | 库柏技术公司 | Interfacing a light emitting diode (LED) module to a heat sink assembly, a light reflector and electrical circuits |
| CN101806417A (en) * | 2010-04-01 | 2010-08-18 | 绿明科技股份有限公司 | Lamp heat-radiating structure of light source |
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Granted publication date: 20071121 Termination date: 20100115 |