CN201285016Y - Lamp and its radiator - Google Patents

Lamp and its radiator Download PDF

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Publication number
CN201285016Y
CN201285016Y CNU2008202121424U CN200820212142U CN201285016Y CN 201285016 Y CN201285016 Y CN 201285016Y CN U2008202121424 U CNU2008202121424 U CN U2008202121424U CN 200820212142 U CN200820212142 U CN 200820212142U CN 201285016 Y CN201285016 Y CN 201285016Y
Authority
CN
China
Prior art keywords
pedestal
fin
radiator
light fixture
enclosing cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008202121424U
Other languages
Chinese (zh)
Inventor
李志江
刘少华
杨波勇
刘平
张志坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN MASON TECHNOLOGIES Co Ltd
Original Assignee
SHENZHEN MASON TECHNOLOGIES Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN MASON TECHNOLOGIES Co Ltd filed Critical SHENZHEN MASON TECHNOLOGIES Co Ltd
Priority to CNU2008202121424U priority Critical patent/CN201285016Y/en
Application granted granted Critical
Publication of CN201285016Y publication Critical patent/CN201285016Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/233Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33Elongate light sources, e.g. fluorescent tubes curved annular
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The utility model discloses a lamp and a radiating device thereof. The lamp comprises a radiator and an LED arranged on the radiator, wherein, the radiator comprises a base and a plurality of fins extending from the base; the fins are parallel to the central axis of the base, and extend from the periphery of the base. The radiating device comprises a column-shaped base and fins extending from the base; and the fins are parallel to the central axis of the base, and extend from the periphery of the column-shaped base towards the same side of the base; and the same side is one side of the two sides of the central axis of the base and takes the center of the base as the origin. The utility model can effectively ensure the luminous quality and the service life of the LED lamps.

Description

Light fixture and radiator thereof
Technical field
The utility model relates to a kind of light fixture, particularly relates to light emitting diode (LED, Light-emitting Diode) light fixture and radiator thereof.
Background technology
LED can be used as a kind of light source of high benefit.Because little, the low power consumption and other advantages of volume, LED is widely used in fields such as automobile, traffic lights indication, screen display even illumination.During as illuminations, the LED lamp is compared its power saving rate with incandescent lamp, fluorescent lamp and can be reached more than 70%.
Along with the development of application demand, need more and more high-capacity LED lamps.But as characteristics of solid light source itself, the heat that high-power more LED sends when work is also high more.Can these heats that send in time derive or distribute, and becomes the key factor that influences LED luminescent quality and life-span.For effectively dispelling the heat the instrument of heat radiation when prior art provides a kind of aluminum extruded formula radiator to be used as LED work.Described radiator roughly is a square structure, comprises plate-shaped base and at the vertically and horizontally arranged a plurality of fins of pedestal one side.The another side of described pedestal is then installed LED.The high heat that radiator by fin structure comes to produce when LED worked is evacuated.
The utility model people finds through long-term practice, when using more high-power LED or adopt a plurality of LED to work, the radiator that needs larger volume is led light source work, but when requiring radiator to be the certain volume restriction, its heat dispersion is not good enough, be that above-mentioned prior art radiator is failed fine characteristics in conjunction with led light source to satisfy the application need of led light source, be difficult to guarantee luminescent quality and the life-span of LED.
The utility model content
Be difficult to guarantee the luminescent quality of LED and the technological deficiency in life-span owing to radiating efficiency is not high for solving prior art LED light fixture, the utility model provides a kind of and dispels the heat well, effectively guarantees the light fixture and the radiator thereof in LED luminescent quality and life-span.
A kind of light fixture is provided, comprises radiator and the light emitting diode that is fixed on the described radiator, described radiator comprises pedestal and from the extended a plurality of fins of pedestal, described fin is extending around described pedestal.
A kind of radiator also is provided, comprises the column pedestal and from the extended fin of pedestal, described fin is extending towards pedestal one side around described column pedestal.
The beneficial effects of the utility model are: be different from the LED light fixture that prior art adopts the square structure radiator, the utility model especially at the led light source small size, in the characteristics of special angle output light, the radiator of globoid structure is proposed, promptly be not limited to fin is set, but around radiator base, fin be set in a side of radiator base.Like this, the heat that produces during LED work arrives radiator base by board transport immediately, and pedestal promptly is the center with LED, and heat is exhaled from fin all around.Can to be arranged on the number of fins of pedestal one side many owing to be arranged on number of fins around the pedestal, so area of dissipation can be bigger.From hot transmission route, heat is dispersed rapidly from all directions from described radiator mediad, reaches area of dissipation bigger under the small size situation, so radiating efficiency obviously improves the luminescent quality and the life-span of assurance LED light fixture.
Description of drawings
Fig. 1 is the assembling schematic diagram of the utility model light fixture first embodiment;
Fig. 2 is the schematic perspective view of radiator among Fig. 1;
Fig. 3 is the schematic cross-section of radiator among Fig. 1;
Fig. 4 is the schematic perspective view of LED and substrate in combination among Fig. 1;
Fig. 5 is the schematic perspective view of lens among Fig. 1;
Fig. 6 is the schematic perspective view of baffle vane among Fig. 1;
Fig. 7 is the schematic perspective view of enclosing cover among Fig. 1;
Fig. 8 is the schematic perspective view of base among Fig. 1;
Fig. 9 makes the schematic perspective view of lamp holder among Fig. 1;
Figure 10 is the schematic perspective view after the light fixture assembling among Fig. 1;
Figure 11 is the side schematic view after the light fixture assembling among Fig. 1;
Figure 12 is the schematic perspective view of the radiator of the utility model light fixture second embodiment;
Figure 13 is the side schematic view of the utility model light fixture the 3rd embodiment.
The specific embodiment
The practice of inventor of the present utility model through for a long time led light source being combined with radiator, export the characteristics of light at the led light source small size, at special angle, invent out the radiator of globoid structure, promptly be not limited to fin is set, but around radiator base, fin be set in a side of radiator base.From the angle of LED, be about to LED and be arranged on the radiator the inside, leave a blank so that light penetrates in the direction of LED output light, to obtain bigger area of dissipation under the small size situation.Below in conjunction with drawings and embodiments the utility model is further specified.
Consulting Fig. 1, is the assembling schematic diagram of the utility model light fixture first embodiment.Described light fixture comprises stacked successively lamp holder 110, base 120, control panel assembly 130, screw 140, radiator 150, baffle vane 160, LED and board unit 170, lens 180 and enclosing cover 190.
Consult Fig. 2 together, described radiator 150 is aluminum extruded formula structures, adopts the aluminium of 99% purity to make, and comprises pedestal 151 and a plurality of fin 152.Described pedestal 151 is columns of central axis direction hollow.
Described fin 152 is parallel to the central shaft of described pedestal 151, and all extends towards pedestal 151 the same sides around described column pedestal 151.Described the same side is meant that with pedestal 151 centers be a side in the both sides of initial point, pedestal 151 central shafts.The radius that extends at pedestal 151 first halves is bigger, and more up radius is big more, and a part of towards the extension of pedestal 151 tops, exceeds the surface 1511 of described pedestal 151 1 sides, and its end comprises buckle 1521.Consult Fig. 3 together, described fin 152 is thicker near the part of pedestals 151, and in the attenuation that diminishes gradually of the direction away from pedestal 151.See that from the side the shape of described radiator 150 is similar to the common bulb shape, the first half is the globoid structure.
In the present embodiment, described fin 152 is small-sized fin, and its quantity is between the 30-32 sheet, and in other embodiments, described fin can suitably be done greatly, its radiating effect the best between quantity then is made as 15 to 17.
The surface 1511 of described hollow base 151 tops forms hierarchic structure with described extended fin 152, and the hierarchic structure of formation is used to accommodate LED and board unit 170.
Consult Fig. 4, described LED and board unit 170 comprise substrate 171 and are fixed on a plurality of LED172 on substrate 171 1 surfaces.Another surface of described substrate 171 connects pedestal 151 surfaces 1511 of the hierarchic structure of above-mentioned radiator 150.
Consult Fig. 5, described lens 180 quantity are consistent with described LED, and each lens 180 is positioned at light-emitting area one side of its corresponding LED 172.Lens 180 are conical structures, and the top is over against the light-emitting area of described LED 172, and the bottom is a light gasing surface.
Consult Fig. 6, surround described LED 172 around the described baffle vane 160, the light that LED 172 is sent reflects away, and effectively improves light utilization efficiency.
Consult Fig. 7, described enclosing cover 190 is plectanes, has a plurality of circular holes 191 that are used for fixing described lens.Described enclosing cover 190 has bayonet socket 192 near the position of circumferential edges.The buckle 1521 of fin 152 ends of described radiator 150 is charged into the bayonet socket 192 of described enclosing cover 190, and described enclosing cover 190 locks.Described enclosing cover 150 is ABS (AcrylonitrileButadiene Styrene, the acrylonitrile-butadiene-styrene copolymer) enclosing cover that adopts V0 to electroplate, and is elegant in appearance, and effectively improves light utilization efficiency.In addition, described enclosing cover also comprises a plurality of air-vents 193.
Consult Fig. 8, described base 120 is used to accommodate control panel assembly 130, and comprises screw hole post 121, cooperates the described control panel assembly 130 of screw 140 lockings.
Consult Fig. 9, described lamp holder 110 is the universal sockets that can patch the common bulb lamp socket, and described common bulb can be a based on halogen bulb.The outer rib-loop of above-mentioned base 120 bottoms can screw in described lamp holder 110, to make up described base 120 and lamp holder 110.
During assembling, described base 120 fixing described control panel assemblies 130, and connect described radiator 150, the described base 120 of described lamp holder 110 combinations, radiator 150 is fixed described baffle vane 160, LED 172 and board unit 170, lens 180 and enclosing cover 190 again.The input of described control panel assembly 130 connects the electrode of described lamp holder 110, and output meets described LED172.Be assembled into light fixture as shown in Figure 10 and Figure 11 at last.
In sum, be different from the LED light fixture that prior art adopts the square structure radiator, the utility model especially at the led light source small size, in the characteristics of special angle output light, the radiator 150 of spheroid or globoid structure is proposed, promptly be not limited to fin is set, but around radiator 150 pedestals 151, fin 152 be set in a side of radiator 150 pedestals 151.In the practice, it is general more than the number of fins that is arranged on pedestal 151 1 sides to be arranged on pedestal 151 number of fins all around; Add the strip cylindrical structure of pedestal 151, the size of fin 152 and area increase along with the increase of the length of pedestal 151.Like this, the heat that produces during LED work can be transferred to radiator 150 pedestals 151 by substrate 170 immediately, and pedestal 151 is the center with LED 172 promptly, and heat is exhaled from fin 152 all around.From hot transmission route, except leaving the space that LED emits beam for, entire radiator 150 is the globoid that deep trouth is arranged on the surface, and heat is dispersed rapidly from all directions from described spheroid mediad, reach under the small size situation and can obtain bigger area of dissipation, so radiating efficiency obviously improves.
In addition, the radiator 150 of present embodiment can adopt the aluminium of 99% purity to make, and prove through repetition test, for undersized fin, the fin 152 of 30 to 34 quantity can reach higher radiating effect, has higher quality and long service life when guaranteeing the work of the utility model light fixture.
In addition, radiator 150 pedestals 151 are hollow structure, and enclosing cover 190 also has a plurality of air-vents 193, are beneficial to the Btu utilization cross-ventilation that LED 172 is produced and exhale, and further improve radiating effect.
And the lamp holder 110 of this light fixture embodiment is a universal socket, is suitable for present most light fixture plug, and is easy to use.
And present embodiment is utilized the fin 152 of described radiator 150 dexterously, and its end is made buckle 1521, conveniently charges into the described enclosing cover 190 of bayonet socket 192 lockings of described enclosing cover 190, makes things convenient for the light fixture assembling when making full use of the fin heat radiation.
Consult Figure 12, it is the schematic perspective view of radiator in the utility model light fixture second embodiment, above-mentioned first embodiment of described radiator fundamental sum is identical, the main difference part is that the every fin 252 of radiator 250 tells at least two slice, thin piece fins away from the part of pedestal 251, and in the attenuation that diminishes gradually of the direction away from pedestal 251.
Consulting Figure 13, is the side schematic view of the utility model light fixture the 3rd embodiment, and above-mentioned first embodiment of described radiator fundamental sum is identical, and the main difference part is that its radiator is roughly semi-spherical shape, can hold more LED.
In more embodiments, can adopt the tin material as between described substrate 171 and radiator 150 pedestals 151 surfaces 1511 and the heat-conduction medium between LED and the substrate 171, its preferable selection can be solid-state tin (being tin bar) or liquid tin or paste tin (being tin cream) or other then material that is equal to etc.In addition, said base 151 and substrate 171 can adopt same metal material or different metal material to constitute.And this metal material is gold, silver, copper, aluminium or its alloy formation.
Need to prove that the core component of the utility model light fixture comprises radiator and the LED that is fixed on the described radiator.As long as described radiator comprises pedestal and from the extended a plurality of fins of pedestal, and described fin is to extend around described pedestal, promptly constitute complete embodiment, because such embodiment is different from the LED light fixture that prior art adopts the square structure radiator, fin promptly is set around radiator base, being arranged on pedestal number of fins all around in the practice can be bigger than the number of fins that is arranged on pedestal one side, thereby the heat that LED can be produced exhales from fin all around rapidly, reach the technique effect that to obtain bigger area of dissipation under the small size situation, therefore, can improve radiating efficiency equally, guarantee the luminescent quality and the life-span of LED light fixture.
In like manner, have the radiator of said structure, promptly radiator comprises the column pedestal and from the extended fin of pedestal, and described fin is extending towards pedestal one side around described column pedestal.Such radiator also is the part of the utility model design, belongs to same inventive concept.
Be noted that also in other embodiments, described fin is not limited to be parallel to the central shaft of described pedestal, also can adopt around class helicitic texture of pedestal central shaft spiral or the like; The pedestal of described radiator is not limited to cylindrical structure, also is not limited to hollow structure; The fin tips of described radiator also can not comprise buckle structure; Described LED also can directly be fixed on the radiator, does not need substrate; Described lens, enclosing cover, base etc. also can adopt any suitable shape, or directly omit; Described lamp holder also is not limited to the holder structure of based on halogen bulb, but can adopt any suitable holder structure; Described radiator or substrate are not limited to adopt aluminum to make, and can adopt other suitable metal materials that comprise copper to make.
More than a kind of light fixture provided by the utility model and radiator thereof are described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (10)

1, a kind of light fixture comprises radiator and the light emitting diode that is fixed on the described radiator, and described radiator comprises pedestal and from the extended a plurality of fins of pedestal, it is characterized in that: described fin is extending around described pedestal.
2, light fixture according to claim 1, it is characterized in that: described radiator is aluminum extruded formula structure, its pedestal is the column of central axis direction hollow, described fin is parallel to the central shaft of described pedestal, and around described column pedestal, extend, and exceed the surface of described pedestal one side towards a side of the fixing described light emitting diode of pedestal.
3, light fixture according to claim 2, it is characterized in that: further comprise a substrate, described light emitting diode is fixed on described substrate one surface, the surface of described hollow base one side and described extended fin form hierarchic structure, and another surface of described substrate connects the base-plates surface of described ladder.
4, light fixture according to claim 3, it is characterized in that: further comprise lens that are positioned at described lumination of light emitting diode face one side and the enclosing cover of fixing described lens, the submarginal position of described enclosing cover has bayonet socket, the end of described fin comprises buckle, the buckle of described fin is charged into the bayonet socket of described enclosing cover, and described enclosing cover locks.
5, light fixture according to claim 4 is characterized in that: described enclosing cover is the ABS enclosing cover that adopts V0 to electroplate.
6, light fixture according to claim 4 is characterized in that: described enclosing cover comprises a plurality of air-vents.
7, light fixture according to claim 2 is characterized in that: described fin is thicker near the part of pedestal, and every fin is told at least two slice, thin piece fins away from the part of pedestal, and in the attenuation that diminishes gradually of the direction away from pedestal.
8, light fixture according to claim 2, it is characterized in that: further comprise the lamp holder of fixing described pedestal, described lamp holder is the universal socket that can patch the common bulb lamp socket, also comprises the control panel assembly, its input connects the electrode of described lamp holder, and output connects described light emitting diode.
9, a kind of radiator comprises the column pedestal and from the extended fin of pedestal, it is characterized in that: described fin is extending towards pedestal one side around described column pedestal.
10, radiator according to claim 9, it is characterized in that: described fin is thicker near the part of pedestal, away from the attenuation that diminishes gradually of the part of pedestal, fin corresponding to large-size, its quantity is between 15 to 17, corresponding to the fin of reduced size, its quantity is between 30 to 34.
CNU2008202121424U 2008-09-25 2008-09-25 Lamp and its radiator Expired - Lifetime CN201285016Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202121424U CN201285016Y (en) 2008-09-25 2008-09-25 Lamp and its radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202121424U CN201285016Y (en) 2008-09-25 2008-09-25 Lamp and its radiator

Publications (1)

Publication Number Publication Date
CN201285016Y true CN201285016Y (en) 2009-08-05

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CNU2008202121424U Expired - Lifetime CN201285016Y (en) 2008-09-25 2008-09-25 Lamp and its radiator

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769518A (en) * 2010-03-10 2010-07-07 丁志敏 LED (light emitting diode) high-power illuminating lamp holder
CN101846260A (en) * 2010-06-04 2010-09-29 深圳市旭翔光电科技有限公司 LED illumination bulb and heat dissipation seat thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101769518A (en) * 2010-03-10 2010-07-07 丁志敏 LED (light emitting diode) high-power illuminating lamp holder
CN101846260A (en) * 2010-06-04 2010-09-29 深圳市旭翔光电科技有限公司 LED illumination bulb and heat dissipation seat thereof
CN101846260B (en) * 2010-06-04 2014-07-09 东莞市翔光光电科技有限公司 LED illumination bulb and heat dissipation seat thereof

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Granted publication date: 20090805