CN103968351A - Heat dissipation structure of G9LED lamp - Google Patents
Heat dissipation structure of G9LED lamp Download PDFInfo
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- CN103968351A CN103968351A CN201410216829.5A CN201410216829A CN103968351A CN 103968351 A CN103968351 A CN 103968351A CN 201410216829 A CN201410216829 A CN 201410216829A CN 103968351 A CN103968351 A CN 103968351A
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- plug
- heat dissipation
- cooling base
- ventilation slot
- radiator structure
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Abstract
A heat dissipation structure of a G9LED lamp comprises a plug and is characterized in that the plug is connected with a heat dissipation base, the heat dissipation base and the plug are integrally formed, a circle of cooling fins are formed on the periphery of the heat dissipation base, and a ventilation groove penetrating through the axial section of the heat dissipation base is formed in a body of the heat dissipation base. The heat dissipation structure has the advantages that the heat dissipation base and the plug are integrally formed, and therefore the heat dissipation area is enlarged; the vertical ventilation groove formed in the plug has the chimney effect, and therefore heat produced by a heat source at the bottom of an LED bulb can be dissipated in time through the ventilation groove, it is ensured that an LED light source is more uniform in heat dissipation and higher in heat dissipation speed, the problem that heat dissipation of the G9LED lamp is not enough due to limitation of the 12-gram weight is solved, the heat dissipation efficiency of the LED light source is greatly improved, and the service life and the quality of LEDs are ensured.
Description
Technical field
The present invention relates to a kind of light fixture, particularly a kind of radiator structure of G9LED lamp.
Background technology
G9 type bulb is a kind of stitch type bulb, and this bulb is commonly used on modern European crystal pendant lamp.As the light fixture in the existing patent No. Chinese utility model < < G9 lamp holder minor spiral lamp > > that is ZL200920184985.2, the novel G9 lamp bulb > of Chinese utility model < < > that the patent No. is ZL03267400.7 has all adopted G9 modulated structure, its lamp holder is flat structure, and has two pins.
G9 lamp in above-mentioned patent is all that employing halogen is light emitting source, along with technology development, people are more and more higher to the requirement of energy-conserving and environment-protective, what current LED technology was just being maked rapid progress is improving, Novel LED light becomes the energy-conservation best substitute of light fixture with its environmental protection and long service life, and a lot of traditional light fixtures are all changed LED bulb as new light emitting source.For G9 lamp bulb, because it is mainly used on crystal pendant lamp, the whole load-bearing of pendent lamp is subject to certain limitation, therefore, according to the regulation of the international standard BS EN60061-1-1993+A46-2011 of light trade, weight for G9 lamp has special requirement, and in general, the weight of G9 lamp bulb can not be over 12 grams.In addition, when traditional Halogen lamp LED replaces with after LED light source, the heat dissipation problem of LED chip becomes again the key of light fitting quality quality, if poor heat radiation can significantly shorten the life-span.So, G9LED lamp will be considered the thermal diffusivity requirement of LED on the one hand, be confined to again on the other hand the weight requirement of 12 grams, the volume of radiator structure can not be accomplished too large, therefore, prior art often cannot be made and can be applicable to the required radiator structure of G9LED bulb heat radiation, can cause G9LED lamp cannot effectively maintain luminous flux and the problem such as service life is short and small.
Summary of the invention
Technical problem to be solved by this invention is the radiator structure that a kind of G9LED lamp of simple in structure and excellent in heat dissipation effect is provided for above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of radiator structure of G9LED lamp, include plug, it is characterized in that: described plug is connected with a cooling base, this cooling base and described plug are one-body molded, the periphery of described cooling base is formed with a circle fin, and the body of described cooling base also offers a ventilation slot that runs through the shaft section setting of this cooling base.
For heat can further outwards be distributed fast, as preferably, described plug is flat, the draw-in groove on the both sides flat horizontal surface of this plug with grafting use, described plug also offers a slit vertically arranging above draw-in groove, and described slit is positioned at the central axis of described cooling base and coincides.Therefore, LED lamp, except can dispelling the heat from the ventilation slot of cooling base, can also outwards dispel the heat by the slit gap of plug, also can not surpass the weight limits of G9 lamp when increasing radiating efficiency.
Above-mentioned slit and ventilation slot can be designed to mutual perforation, also in the middle of can being designed to, cut off and mutually do not connect, as preferably, described ventilation slot and slit connect mutually, the shaft section at described ventilation slot place and the flat horizontal surface of described plug intersect vertically, and the shaft section projection of described ventilation slot and the flat horizontal surface projection of described plug are cross shape.So, after being communicated with, ventilation slot and slit can form an elongated gap, ventilation slot bottom is connected on plug by slit, just like vertically disposed chimney, the heat that concentrates on base after LED lamp is luminous can be discharged to both sides rapidly by this elongated gap, fully realize stack effect, can reach best radiating effect.
Consider the radiating effect of LED bulb, and the overall dimensions of G9 lamp and freight weight limit requirement, as preferably, the fluting interstice coverage of described ventilation slot is advisable with 0～3mm.If the fluting of ventilation slot is wide, not only can reduce the intensity of plug, destroy connection reliability, also can corresponding minimizing fin quantity and area of dissipation, can reduce the integral heat sink effect of light fixture.
In order to improve as much as possible radiating efficiency and increasing heat radiation area, as preferably, described fin has six and be fin type structure at least.
For easy to assembly, alleviate overall weight simultaneously, as preferably, the body interior of described cooling base also offers the through hole that arranges vertically and can pass for pin and electric conductor in the both sides of described ventilation slot.
In order further to improve radiating effect, guarantee working life and the quality of LED bulb, as preferably, the lower surface of described cooling base also offers at least one louvre.
Consider attractive in appearance and balance, as further preferred, described louvre has four, and two the one group flat horizontal surface both sides that lay respectively at described plug.
Compared with prior art, the invention has the advantages that: base outer wall is provided with fin, and cooling base and plug is one-body molded, thus increased area of dissipation, the vertical ventilation slot of offering on plug (or combination of ventilation slot and slit) has stack effect, this ventilation slot is just in time positioned on the shaft section of cooling base, consider LED bulb adstante febre, thermal source concentrates on bottom position, the bottom thermal source that is arranged so that LED bulb of ventilation slot can outwards distribute in time by this ventilation slot, thereby the heat radiation that guarantees LED light source is more even, dispel the heat faster, solved G9LED lamp and limited because being subject to 12 gram weight the inadequate problem of dispelling the heat, and then improved widely the radiating efficiency of LED light source, guarantee service life and the quality of LED.
Accompanying drawing explanation
Fig. 1 is the radiator structure schematic perspective view of the embodiment of the present invention.
Fig. 2 is the radiator structure three-dimensional cutaway view shown in Fig. 1.
Fig. 3 is the front schematic view of the radiator structure of the embodiment of the present invention.
Fig. 4 is another cutaway view of radiator structure (ventilation slot and slit cut off) of the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figure 1 to 4, the present embodiment discloses a kind of radiator structure of G9LED lamp, this radiator structure include plug 1 and with the integrated cooling base 2 of this plug 1, wherein, plug 1 is flat, employing be the normal structure of G9 lamp, on the both sides flat horizontal surface of plug 1, there is the draw-in groove 11 of grafting use, draw-in groove 11 spaced four raised lines 111 that are from bottom to top parallel to each other form, and the size of this draw-in groove 11 is also according to G9 lamp model specified standard structure.
The cooling base 2 of the present embodiment is cylindric, cooling base 2 adopts aluminium oxide or aluminium nitride ceramics material and plug 1 to make overall structure, enclose and form fin 22 the outer Monday of cooling base 2, fin 22 has six and be fin type structure at least, the fin 22 of this structure can increase area of dissipation greatly, improves radiating efficiency.
The body of cooling base 2 also offers a ventilation slot 25 that runs through the shaft section setting of this cooling base 2, and the body interior of cooling base 2 also offers the through hole 21 that arranges vertically and can supply pin and electric conductor to pass in the both sides of ventilation slot 25.
Plug 1 also offers a slit 12 of vertically arranging between (i.e. the top of the 4th raised line 111 from bottom to top) above draw-in groove 11 and the lower surface 24 of cooling base 2, and the central axis of slit 12 and cooling base coincides; Between ventilation slot 25 and slit 12, can cut off, referring to Fig. 4, also can mutually connect;
In order to reach best radiating effect, the ventilation slot 25 of the present embodiment and slit 12 are formed through an elongated gap mutually, referring to Fig. 3, just as vertical chimney, ventilation slot 25 bottoms are connected on plug 1 by slit 12 always, and the shaft section at ventilation slot 25 places and the flat horizontal surface of plug 1 intersect vertically, the shaft section projection of ventilation slot 25 and the flat horizontal surface projection of plug 1 are cross shape.
In order to guarantee area of dissipation, and guarantee overall appearance, easily processing, the fluting interstice coverage of ventilation slot 25 is advisable with 0～3mm, if fluting excesssive gap integral heat sink area reduce again, and ventilation slot 25 is positioned on the axis extended line of cooling base 2.
The setting of ventilation slot 25 and slit 12 can be played stack effect, the heat of LED light bulb base can be distributed to both sides from the elongated gap of ventilation slot 25 and slit 12 formation, improve radiating efficiency, guarantee radiating effect, because when LED lamp is worked conventionally, the heat of bottom is that higher being difficult to again distributed, and the ventilation slot 25 of the present embodiment and slit 12 arrange and can effectively solve the higher problem of LED lamp bottom heat, guarantee the omnibearing heat radiation of LED lamp;
On the other hand, ventilation slot 25 and slit 12 offer the overall weight that has also alleviated G9 lamp, G9LED bulb weight integral body can be controlled to 12 grams with interior (weight of cooling base 2 and plug 1 is in 10 grams).
In order further to improve radiating effect, the lower surface of cooling base 2 also offers a plurality of louvres 23; The louvre of the present embodiment has four, and two the one group flat horizontal surface both sides that lay respectively at described plug.
The finned radiator structure of the present embodiment makes area of dissipation increase by 1.7 times, and in conjunction with elongated ventilation slot 25 and slit 12, can produce good cross-ventilation, form heat radiation " stack effect ", solved G9LED lamp inadequate problem of heat radiation in 12 gram weight restrictions, can accomplish the heat radiation completely of whole lamp, guarantee luminous flux and the service life of G9LED bulb.
Claims (8)
1. the radiator structure of a G9LED lamp, include plug, it is characterized in that: described plug is connected with a cooling base, this cooling base and described plug are one-body molded, the periphery of described cooling base is formed with a circle fin, and the body of described cooling base also offers a ventilation slot that runs through the shaft section setting of this cooling base.
2. the radiator structure of G9LED lamp according to claim 1, it is characterized in that: described plug is flat, the draw-in groove on the both sides flat horizontal surface of this plug with grafting use, described plug also offers a slit vertically arranging above draw-in groove, and the central axis of described slit and described cooling base coincides.
3. the radiator structure of G9LED lamp according to claim 2, it is characterized in that: described ventilation slot and slit connect mutually, the shaft section at described ventilation slot place and the flat horizontal surface of described plug intersect vertically, and the shaft section projection of described ventilation slot and the flat horizontal surface projection of described plug are cross shape.
4. the radiator structure of G9LED lamp according to claim 1, is characterized in that: the fluting interstice coverage of described ventilation slot is 0～3mm.
5. the radiator structure of G9LED lamp according to claim 1, is characterized in that: described fin has six and be fin type structure at least.
6. the radiator structure of G9LED lamp according to claim 1, is characterized in that: the body interior of described cooling base also offers the through hole that arranges vertically and can supply pin and electric conductor to pass in the both sides of described ventilation slot.
7. the radiator structure of G9LED lamp according to claim 1, is characterized in that: the lower surface of described cooling base also offers at least one louvre.
8. the radiator structure of G9LED lamp according to claim 7, is characterized in that: described louvre has four, and two the one group flat horizontal surface both sides that lay respectively at described plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216829.5A CN103968351A (en) | 2014-05-21 | 2014-05-21 | Heat dissipation structure of G9LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216829.5A CN103968351A (en) | 2014-05-21 | 2014-05-21 | Heat dissipation structure of G9LED lamp |
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| Publication Number | Publication Date |
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| CN103968351A true CN103968351A (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410216829.5A Pending CN103968351A (en) | 2014-05-21 | 2014-05-21 | Heat dissipation structure of G9LED lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968177A (en) * | 2010-11-10 | 2011-02-09 | 厦门立明光电有限公司 | Novel light-emitting diode lamp capable of replacing halogen lamp |
| CN102297353A (en) * | 2011-09-21 | 2011-12-28 | 厦门立明光电有限公司 | Light-emitting diode (LED) lighting lamp |
| CN203349230U (en) * | 2013-07-10 | 2013-12-18 | 邹正康 | Ventilation and heat dissipation glass lamp cup |
| US20140126203A1 (en) * | 2012-11-06 | 2014-05-08 | Hinkley Lighting, Inc. | Led light apparatus |
| CN203857439U (en) * | 2014-05-21 | 2014-10-01 | 宁波福希光电有限公司 | Heat radiation structure of G9LED lamp |
-
2014
- 2014-05-21 CN CN201410216829.5A patent/CN103968351A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968177A (en) * | 2010-11-10 | 2011-02-09 | 厦门立明光电有限公司 | Novel light-emitting diode lamp capable of replacing halogen lamp |
| CN102297353A (en) * | 2011-09-21 | 2011-12-28 | 厦门立明光电有限公司 | Light-emitting diode (LED) lighting lamp |
| US20140126203A1 (en) * | 2012-11-06 | 2014-05-08 | Hinkley Lighting, Inc. | Led light apparatus |
| CN203349230U (en) * | 2013-07-10 | 2013-12-18 | 邹正康 | Ventilation and heat dissipation glass lamp cup |
| CN203857439U (en) * | 2014-05-21 | 2014-10-01 | 宁波福希光电有限公司 | Heat radiation structure of G9LED lamp |
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Application publication date: 20140806 |