CN202040777U - Radiating structure for accelerating thermal convection effect - Google Patents
Radiating structure for accelerating thermal convection effect Download PDFInfo
- Publication number
- CN202040777U CN202040777U CN2011200976044U CN201120097604U CN202040777U CN 202040777 U CN202040777 U CN 202040777U CN 2011200976044 U CN2011200976044 U CN 2011200976044U CN 201120097604 U CN201120097604 U CN 201120097604U CN 202040777 U CN202040777 U CN 202040777U
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- Prior art keywords
- quicken
- hollow barrel
- radiator structure
- thermal convection
- convection current
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Abstract
The utility model relates to a radiating structure for accelerating thermal convection effect, which comprises a seat, a radiator and a cover cap. The seat is provided with a holding space for holding a heating component, an opening and a plurality of radiating holes, the radiator is disposed in the holding space, is in thermal conductive connection with the heating component and comprises a hollow barrel and a plurality of radiating fins, a first convection hole is arranged on one side of the hollow barrel, a second convection hole is arranged on the other side of the hollow barrel, the cover cap is covered on the opening of the seat and provided with a plurality of through holes, wherein external airflow flows into the holding space from the through holes, enters the hollow barrel from the first convection hole, then is guided out from the second convection hole along the hollow barrel and finally is spread towards the radiating holes, accordingly the speed of convection in the hollow barrel is increased, and thermal accumulation is avoided.
Description
Technical field
The utility model is relevant with radiator structure, is particularly to a kind of radiator structure that is used to quicken free convection speed.
Background technology
In recent years because of the flourish of light emitting diode (LED) technology and reach its maturity, characteristics such as have low power consuming, long service life again, volume is little, reaction is fast become following main flow market so replace traditional based on halogen bulb gradually.
Generally speaking, the high more used heat of supervening of the power of LED is also many more, and only, high temperature has sizable negative effect to life-span and the luminous efficacy of LED, and therefore, the higher LED light fixture of power can be provided with radiator structure mostly, with in time with the high temperature loss; The radiator structure of existing LED light fixture utilizes the mode of free convection that used heat is directed to outside loss from the LED lamp interior usually, its embodiment amplexiforms a radiator on the shady face of LED, this radiator can be made up of a plurality of radiating fin, quickens to get rid of the used heat that LED is produced when luminous by having the radiating fin of area of dissipation on a large scale.
In the said structure, though the area of dissipation of this radiator can quicken the eliminating of LED used heat, yet, because the gas flow rates of free convection is comparatively slow, so its heat radiation process still causes the phenomenon of hot polymerization collection easily, make the bulk temperature of this LED light fixture higher, even have influence on service life and the luminous efficiency of this LED.
In view of this, the inventor is for improving and solving above-mentioned disappearance, is that the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the scheme of above-mentioned disappearance finally.
Summary of the invention
A purpose of the present utility model is to provide a kind of radiator structure that is used to quicken the thermal convection current effect, to quicken the free convection speed of lamp interior air-flow, avoids producing the phenomenon of hot polymerization collection.
In order to reach above-mentioned purpose, the utility model is a kind of radiator structure that is used to quicken the thermal convection current effect, in order to guide an outer gas stream one heat generating component is dispelled the heat, and this radiator structure comprises:
One pedestal has an accommodation space of ccontaining described heat generating component, and a side of this pedestal is an opening, and opposite side offers a plurality of louvres;
One radiator, be arranged in this accommodation space, and thermal conductance connects described heat generating component, this radiator comprises a hollow barrel mast and is spaced a plurality of fin at the outer edge surface of this hollow barrel mast, one side of this hollow barrel mast is provided with at least one first pair of discharge orifice, and opposite side then is provided with at least one second pair of discharge orifice; And
One cover cap covers on the opening of this pedestal, and offers a plurality of through holes;
Wherein, described outer gas stream flows in this accommodation space from these through holes, and enters this hollow barrel mast inside from this first pair of discharge orifice, derives from this second pair of discharge orifice along this hollow barrel mast again, and is last toward these louvre loss.
The utility model also comprises a heat sink, and a side of this heat sink is amplexiformed on this radiator, and opposite side then undertakes described heat generating component.
This heat sink is equipped with a plurality of perforates.
Described heat generating component is a LED lamp group, and this pedestal is a lampshade.
This LED lamp group also comprises a transmissive mirror, and this cover cap is to should LED lamp group and be provided with a containing hole, and this transmissive mirror is combined in the containing hole.
This lampshade also includes a conductive contact, and this conductive contact is fixed on the outboard end of this pedestal.
The utility model also comprises a plurality of lock-in components, this conductive contact forms a plurality of reference columns, corresponding described reference column of this heat sink and be provided with a plurality of combined holes, corresponding described reference column of this LED lamp group and be provided with a plurality of perforation, described lock-in component wear described combined hole and perforation and lock on this reference column.
This first pair of discharge orifice and this second pair of discharge orifice are opened in the end face of this hollow barrel mast respectively, and are extended with a segment distance towards approximating direction.
This first pair of discharge orifice and this second pair of discharge orifice are opened in the outer edge surface of this hollow barrel mast respectively, and apart from the end face of this hollow barrel mast one segment distance are arranged.
This first pair of discharge orifice and this second pair of discharge orifice are and shift to install.
Another purpose of the present utility model is to provide a kind of radiator structure that is used to quicken the thermal convection current effect, offers respectively discharge orifice in the opposite side of hollow barrel mast, to quicken the flow rate of hollow barrel mast internal gas flow, improves the radiating efficiency of radiator.
Compared to prior art, the utility model offers first pair of discharge orifice and second pair of discharge orifice respectively at the opposite side of hollow barrel mast, be beneficial to a part of outer gas stream and enter hollow barrel mast inside from first pair of discharge orifice, take away the part hot gas of heat generating component simultaneously, because hot gas rises along the hollow barrel mast, derive from this second pair of discharge orifice at last, because of the internal gas flow of hollow barrel mast can cause mobile because of the loss of hot-air, and then the suction extraneous air is filled up, and then make the convection current of this hollow barrel mast inside quicken, thereby take away a large amount of heat of this radiator, reduce the temperature of heat generating component in view of the above, to avoid producing the phenomenon of hot polymerization collection, prevent to reduce the service life of electronic building brick, increase practicality of the present utility model.
Description of drawings
Fig. 1 is the three-dimensional appearance schematic diagram that is used to quicken the radiator structure of thermal convection current effect of the present utility model;
Fig. 2 is the three-dimensional exploded view that is used to quicken the radiator structure of thermal convection current effect of the present utility model;
Fig. 3 is the assembled sectional view that is used to quicken the radiator structure of thermal convection current effect of the present utility model;
Fig. 4 is the use schematic diagram that is used to quicken the radiator structure of thermal convection current effect of the present utility model;
Fig. 5 is second embodiment that is used to quicken the radiator structure of thermal convection current effect of the present utility model.
Wherein, Reference numeral:
10 pedestals, 100 accommodation spaces
11 openings, 12 louvres
13 conductive contacts, 131 reference columns
20 radiators, 21 hollow barrel masts
212 second pairs of discharge orifices of 211 first pairs of discharge orifices
22 fin, 220 heat dissipation channels
30 cover caps, 300 containing holes
31 through holes, 40 heat sinks
400 perforates, 401 combined holes
50 lock-in components, 80 heat generating components
810 perforation of 81 circuit boards
82 LED, 83 transmissive mirror
First pair of discharge orifice of 21a hollow barrel mast 211a
Second pair of discharge orifice of 212a
The specific embodiment
Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, however accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
Please refer to Fig. 1 to Fig. 3, be respectively three-dimensional appearance schematic diagram, three-dimensional exploded view and the assembled sectional view that is used to quicken the radiator structure of thermal convection current effect of the present utility model; The radiator structure that is used to quicken the thermal convection current effect of the present utility model dispels the heat to a heat generating component 80 in order to guide an outer gas stream, and this radiator structure comprises a pedestal 10, a radiator 20 and a cover cap 30.
This pedestal 10 have can ccontaining this heat generating component 80 an accommodation space 100, a side of this pedestal 10 is an opening 11, opposite side offers a plurality of louvres 12.In the present embodiment, this heat generating component 80 is a LED lamp group, and this heat generating component 80 comprises a circuit board 81 and electrically connects a plurality of LED 82 of this circuit board 81.Again, this pedestal 10 is for being a lampshade of bowl-type, and this lampshade more includes a conductive contact 13, and this conductive contact 13 is combined in the outboard end of this pedestal 10, and its end face forms a plurality of reference columns 131, those reference columns 131 of 81 correspondences of this circuit board and be provided with a plurality of perforation 810.In addition, the outside of this LED lamp group more includes a transmissive mirror 83, is beneficial to disperse the light that these LED send.
This radiator 20 is arranged in this accommodation space 100, and thermal conductance connects this heat generating component 80.This radiator 20 comprises a hollow barrel mast 21 and is spaced a plurality of fin 22 at the outer edge surface of this hollow barrel mast 21, and 22 of wantonly two fin are formed with a heat dissipation channel 220, and these heat dissipation channel 220 corresponding these louvres 12 set.
One side of this hollow barrel mast 21 is provided with at least one first pair of discharge orifice 211, opposite side then is provided with at least one second pair of discharge orifice 212, this first pair of discharge orifice 211 and this second pair of discharge orifice 212 are opened in the end face of this hollow barrel mast 21 respectively, and are extended with a segment distance towards approximating direction.In addition, this first pair of discharge orifice 211 and this second pair of discharge orifice 212 can be and shift to install, but not as limit.
This cover cap 30 covers on the opening 11 of this pedestal 10, and offers a plurality of through holes 31.30 pairs of this cover caps should LED lamp group and be provided with a containing hole 300, and these through holes 31 rings are located at the outside of this containing hole 300, and this transmissive mirror 83 is combined in the containing hole 300.
This radiator structure more includes a heat sink 40, and it is constituted by the good sheet metal of a thermal conductivity, and in the present embodiment, this heat sink 40 is round shape, and is provided with a plurality of perforates 400 at outer ring.One side of this heat sink 40 is amplexiformed on this radiator 20, and opposite side then undertakes this heat generating component 80; In addition, the reference column 131 that 40 pairs of this heat sinks should conductive contact 13 and be provided with a plurality of combined holes 401.
When group is established, at first this pedestal 10 (lampshade) is placed on this conductive contact 13, and in regular turn this radiator 20, this heat sink 40 and this heat generating component 80 is contained in the accommodation space 100 of this pedestal 10.This radiator structure more includes a plurality of lock-in components 50, after these lock-in components 50 wear the perforation 810 of the combined hole 401 of this heat sink 40 and this circuit board 81 respectively, lock again on the reference column 131 of this conductive contact 13, use this heat sink 40 and this heat generating component 80 (LED lamp group) are fixed on this pedestal 10 (lamp socket), last cover cap 30 cover caps that will be combined with transmissive mirror 83 again are on the opening 11 of this pedestal 10, to constitute a LED light fixture.
Please continue with reference to Fig. 4, be the use schematic diagram that is used to quicken the radiator structure of thermal convection current effect of the present utility model; When this LED light fixture used, the heat that these LED 82 are produced when luminous conducted to this radiator 20 via this heat sink 40; On the other hand, outer gas stream flows in the accommodation space of this pedestal 10 from through hole 31 places of this cover cap 30, wherein, a part of air-flow can enter this hollow barrel mast 21 inside from this first pair of discharge orifice 211, take away the part hot gas of this heat generating component 80 simultaneously, rise along this hollow barrel mast 21 again, derive from this second pair of discharge orifice 212 at last, last toward these louvre 12 loss; At this moment, the air-flow of these hollow barrel mast 21 inside can cause mobile because of the loss of hot-air, and then the suction extraneous air fills up, and then makes the convection current of these hollow barrel mast 21 inside quicken, thereby take away a large amount of heat of this radiator 20, reduce the temperature of this heat generating component 80 in view of the above.
Referring again to Fig. 5, be second embodiment that is used to quicken the radiator structure of thermal convection current effect of the present utility model; The present embodiment and first embodiment are roughly the same, be first couple of discharge orifice 211a that hollow barrel mast 21a is offered and the aspect of second couple of discharge orifice 212a with the first embodiment difference, in the present embodiment, this first couple of discharge orifice 211a and this second couple of discharge orifice 212a are opened in the outer edge surface of this hollow barrel mast 21a respectively, and apart from the end face of this hollow barrel mast 21a one segment distance are arranged.
The above only is preferred embodiment of the present utility model, and non-in order to limit claim of the present utility model, other uses the equivalence of patent spirit of the present utility model to change, and all should all belong to scope of patent protection of the present utility model.
Claims (10)
1. a radiator structure that is used to quicken the thermal convection current effect is characterized in that, this radiator structure comprises:
One pedestal has an accommodation space of ccontaining described heat generating component, and a side of this pedestal is an opening, and opposite side offers a plurality of louvres;
One radiator, be arranged in this accommodation space, and thermal conductance connects described heat generating component, this radiator comprises a hollow barrel mast and is spaced a plurality of fin at the outer edge surface of this hollow barrel mast, one side of this hollow barrel mast is provided with at least one first pair of discharge orifice, and opposite side then is provided with at least one second pair of discharge orifice; And
One cover cap covers on the opening of this pedestal, and offers a plurality of through holes.
2. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 1 is characterized in that, also comprises a heat sink, and a side of this heat sink is amplexiformed on this radiator, and opposite side then undertakes described heat generating component.
3. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 2 is characterized in that this heat sink is equipped with a plurality of perforates.
4. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 1 is characterized in that, described heat generating component is a LED lamp group, and this pedestal is a lampshade.
5. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 4 is characterized in that, this LED lamp group also comprises a transmissive mirror, and this cover cap is to should LED lamp group and be provided with a containing hole, and this transmissive mirror is combined in the containing hole.
6. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 4 is characterized in that this lampshade also includes a conductive contact, and this conductive contact is fixed on the outboard end of this pedestal.
7. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 6, it is characterized in that, also comprise a plurality of lock-in components, this conductive contact forms a plurality of reference columns, corresponding described reference column of this heat sink and be provided with a plurality of combined holes, corresponding described reference column of this LED lamp group and be provided with a plurality of perforation, described lock-in component wear described combined hole and perforation and lock on this reference column.
8. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 1 is characterized in that, this first pair of discharge orifice and this second pair of discharge orifice are opened in the end face of this hollow barrel mast respectively, and is extended with a segment distance towards approximating direction.
9. the radiator structure that is used to quicken the thermal convection current effect as claimed in claim 1 is characterized in that, this first pair of discharge orifice and this second pair of discharge orifice are opened in the outer edge surface of this hollow barrel mast respectively, and apart from the end face of this hollow barrel mast one segment distance is arranged.
10. be used to quicken the radiator structure of thermal convection current effect as claimed in claim 8 or 9, it is characterized in that, this first pair of discharge orifice and this second pair of discharge orifice are and shift to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976044U CN202040777U (en) | 2011-03-28 | 2011-03-28 | Radiating structure for accelerating thermal convection effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200976044U CN202040777U (en) | 2011-03-28 | 2011-03-28 | Radiating structure for accelerating thermal convection effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040777U true CN202040777U (en) | 2011-11-16 |
Family
ID=44968218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200976044U Expired - Fee Related CN202040777U (en) | 2011-03-28 | 2011-03-28 | Radiating structure for accelerating thermal convection effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040777U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075442A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| WO2013075480A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| CN104373845A (en) * | 2014-11-12 | 2015-02-25 | 广德利德光电有限公司 | Waterproof heat dissipating LED lamp |
| CN105371207A (en) * | 2015-10-30 | 2016-03-02 | 徐州立方机电设备制造有限公司 | LED bulb |
-
2011
- 2011-03-28 CN CN2011200976044U patent/CN202040777U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075442A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| WO2013075480A1 (en) * | 2011-11-25 | 2013-05-30 | 生迪光电科技股份有限公司 | Led lamp |
| CN104373845A (en) * | 2014-11-12 | 2015-02-25 | 广德利德光电有限公司 | Waterproof heat dissipating LED lamp |
| CN105371207A (en) * | 2015-10-30 | 2016-03-02 | 徐州立方机电设备制造有限公司 | LED bulb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120328 |