CN102261629A - Box type heat sink and cold-box heat sink - Google Patents
Box type heat sink and cold-box heat sink Download PDFInfo
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- CN102261629A CN102261629A CN2011102057301A CN201110205730A CN102261629A CN 102261629 A CN102261629 A CN 102261629A CN 2011102057301 A CN2011102057301 A CN 2011102057301A CN 201110205730 A CN201110205730 A CN 201110205730A CN 102261629 A CN102261629 A CN 102261629A
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- heat abstractor
- dissipating cover
- air
- fan
- box type
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Abstract
The invention relates to the LED (Light-Emitting Diode) lighting field, which discloses a box type heat sink and a cold-box heat sink. In the invention, the box type heat sink is composed of two radiating covers locked to each other; the upper and lower closed planes 2 of the box type heat sink both can be used for contacting and attaching heating elements, thereby functioning in cooling the elements; besides, the air inlet channel and the air outlet channel of a fan 3 mounted inside the cold-box heat sink are internal fin-like flow guiding radiating fins 4 inside the cold-box heat sink; and inflow air 5 and outflow air 6 both are subjected to heat exchanger via the radiating fins and the cold-box heat sink; therefore, the heat dissipation effect is twice as high as that of the existing heat dissipation technology in a single-direction cooling manner of blowing air only by the fan.
Description
Technical field
The present invention relates to the LED lighting field, particularly the heat dissipation technology in the LED lighting device.
Background technology
Being used for traditional heat-dissipating method that element is cooled off in LED (light emitting diode) lighting device, all is to conduct the made radiator that causes of material preferably what the element surface that requires to lower the temperature closely mounted a kind of outer surface complexity with heat.The contact area of utilizing radiator to increase element and air improves the heat exchanger effectiveness between loses heat element and the air, to reach cool effect.
Yet, this passive heat dissipating method, its radiating efficiency depends on the temperature difference of radiator and surrounding air, the flow regime of air, the area of radiator and form.Prior art has adopted the area design of multiple complexity, increase area of dissipation (being the patent of 301280887S) as Granted publication number, but want bigger power component is dispelled the heat, the size of heat dissipation element will be very big, can not satisfy application requirements under many circumstances.Especially in the led light source application facet, require ten watts or tens watts often of the element power of being dispelled the heat, but the size of light source itself is limited again, Here it is prior art bottleneck that the LED bulb power is restricted.
The method of another kind of radiating and cooling is the active cooling method that adopts fan to quicken gas flow.This cool-down method all has widespread usage in led light source and luggable computer.Cool off with fan, will utilize fin to carry out heat exchange equally,, add the installation of fan, still can not be applied in the bulb of most of volume compacts though the area of this fin can be much smaller.The prior art of up-to-date outstanding compact heat sink arrangement (specifically asking for an interview the patent that notification number is CN 101986008A).Yet, still there is following shortcoming in this scheme:
Because radiator side is used for cooling heating element often, the inlet and outlet of radiator all can only be arranged in the identical another side of radiator.Be in the very near of same side into and out of the distance between the air port, positive counterblast is in one side, the hot-air that heated is discharged the back and is mixed with cool ambient air, can be sucked within the radiator from air inlet again greatly, form a waste and old gas thermal cycle, thereby reduced the radiating efficiency of radiator.For gas and the radiator that fan is blown out has sufficient heat exchange, will make the air in the radiator that enough circulation length is arranged, air-out and air inlet at fan are all arranged a circulation passage, and radiator just needs certain altitude, is difficult to satisfy the compactedness requirement.
Summary of the invention
The object of the present invention is to provide a kind of box type heat abstractor and cold box heat abstractor, improved radiating efficiency greatly, fully satisfy the application requirements of led light source, guaranteed the application scenarios of led light source.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of box type heat abstractor, comprise: two dissipating cover 1a and 1b, be placed in the fan 3 of described dissipating cover inside;
Wherein, described dissipating cover 1a and dissipating cover 1b can fasten mutually, are the box type of platypelloid type behind the fastening; The upper and lower surface 2 of described box type heat abstractor is an enclosed planar, around upper and lower enclosed planar is box type heat abstractor ventilating opening, wherein occupying half ventilating opening 7a of described heat abstractor ventilating opening periphery is the air intake surface 5 that is used for air intake, and second half peripheral ventilating opening 7b is the outlet air surface 6 that is used for air-out.
Embodiments of the present invention also provide a kind of cold box heat abstractor, comprise: two dissipating cover 11a and 11b, built-in fans 13;
Wherein, described dissipating cover 11a and dissipating cover 11b can fasten mutually, and described dissipating cover 11a and dissipating cover 11b form in the fin-shaped flow-guiding radiation sheet 14 of last lower plane by flat board 12 and positioned vertical that the centre has the fan containing hole;
Described flow-guiding radiation sheet 14 external edge are along coincideing with described dull and stereotyped 12 plane parallel or with the element surface state that is cooled;
Described cold box heat abstractor combines with the parts surface that is cooled, and after this cold box heat abstractor top is closed, the gas channel that flow-guiding radiation sheet 14 on each dissipating cover is constituted leads to the blow vent 17a and the 17b all around of described cold box heat abstractor, and occupies peripheral area half; Half of periphery area is the air intake surface 15 that is used for air intake, and second half is the outlet air surface 16 that is used for air-out;
Ccontaining described fan 13 in the middle of the described cold box heat abstractor, the flow-guiding radiation sheet 14 that is in described air intake surface 15 and described outlet air surface 16 both sides is respectively isolated the air intake and the air-out of fan, and respectively with the periphery outlet of half separately of air-flow guiding.
Embodiment of the present invention in terms of existing technologies, by two dissipating cover group boxing heat abstractors that mutually fasten, two enclosed planar 2 up and down of this box type heat abstractor may be used to contact and paste and puts heater element, and element is played cooling effect.And, be placed in the air intake passage of fan 3 of cold box heat sink interior and the fin-shaped flow-guiding radiation sheet 4 that the air-out passage is exactly cold box heat sink interior, the air of inflow 5 and outflow 6 is all by fin and cold box heat abstractor, produce heat exchange, so radiating effect doubles to the existing heat dissipation technology of cooling than the folk prescription of only drying with fan.
In addition, air inlet 5 and air outlet 6 are in two different positions of cold box heat abstractor periphery fully, and the gas circulation of air intake 5 and air outlet 6 is in consecutive identical flow direction, and the mixing that can not produce gas refluxes, and has further guaranteed radiating effect.
In addition, fan 3 is the leaf formula fan of flat pattern for external form, and opening by utilizing horizontal gas and flat fan combination make the combination of entire radiator highly compact.This is highly very little, has saved installing space, goes for led light source and cools off, and has solved the powerful technical bottleneck of LED lamp.
Description of drawings
Fig. 1 is the box type heat abstractor overall structure schematic diagram according to first embodiment of the invention;
Fig. 2 is the box type heat abstractor decomposition texture schematic diagram according to first embodiment of the invention;
Fig. 3 be according to the dissipating cover in the first embodiment of the invention ccontaining the structural representation of half fan;
Fig. 4 is a kind of concrete application schematic diagram of box type heat abstractor in the LED illumination according to first embodiment of the invention;
Fig. 5 is the cold box heat abstractor overall structure schematic diagram according to second embodiment of the invention;
Fig. 6 is the cold box heat abstractor decomposition texture schematic diagram according to second embodiment of the invention.
The specific embodiment
First embodiment of the present invention relates to a kind of box type heat abstractor.As shown in Figure 1, this box type heat abstractor comprises: two dissipating cover 1a and 1b, be placed in the fan 3 (as shown in Figure 2) of dissipating cover inside.Wherein, dissipating cover 1a and dissipating cover 1b can fasten mutually, are the box type of platypelloid type behind the fastening; The upper and lower surface 2 of this box type heat abstractor is an enclosed planar, around upper and lower enclosed planar is box type heat abstractor ventilating opening, wherein occupying half ventilating opening 7a of heat abstractor ventilating opening periphery is the air intake surface 5 that is used for air intake, and second half peripheral ventilating opening 7b is the outlet air surface 6 that is used for air-out.
Specifically, the enclosed planar up and down of box type heat abstractor is the form that matches with the element surface that is cooled, and that is to say, two sides 2 are all sealed and can be used for the contact subsides and put heater element up and down, so that element is played cooling effect.Dissipating cover 1a and dissipating cover 1b adopt fixture to fasten, to guarantee both combining closely; Contact edge when dissipating cover 1a and dissipating cover 1b fasten mutually conducts with effective its heat of improving along adopting the engagement design.
Be provided with fin-shaped flow-guiding radiation sheet 4 between the inboard and fan 3 perpendicular to end face in the enclosed planar up and down of box type heat abstractor.Wherein part flow-guiding radiation sheet 4 is in a side of described outlet air surface 6, and the flow-guiding radiation sheet 4 of remainder is in a side of air intake surface 5.The flow-guiding radiation sheet 4 that is in this air intake surface 5 and outlet air surface 6 respectively constitutes gas channels, the entering and discharging of gas channel guiding fan, each half ventilating opening during gas channel is communicated to around the boxlike radiator respectively.Every flow-guiding radiation sheet 4 all leaves the space of ccontaining half fan 3.
Owing to the air intake passage of the fan 3 that is placed in heat sink interior and the fin 4 that the air-out passage is exactly heat sink interior, the air that flows into and flow out is all by fin and heat abstractor, produce heat exchange, so radiating effect doubles to the prior art of cooling than the folk prescription of only drying with fan.
In addition, the inside of dissipating cover 1a and dissipating cover 1b also is provided with the air intake that prevents fan and air-out and produces the air-flow that mixes every face 8, as shown in Figure 3.Because air inlet 5 and air outlet 6 are in two different positions of heat abstractor fully, gas circulation is in consecutive identical flow direction, and the mixing that can not produce gas refluxes.
What deserves to be mentioned is that the fan 3 in the present embodiment is the leaf formula fan of flat pattern for external form.Utilize the opening of horizontal gas and flat fan combination, can make the combination of entire radiator highly compact.This is highly very little, has saved installing space, goes for led light source and cools off, and has solved the powerful technical bottleneck of LED lamp.
In addition, dissipating cover 1a and dissipating cover 1b are provided with and are used to install and fix the installation screw 9 of element of being cooled, and this installation screw 9 not only can be used for installing and fixing of cooling element, also can reinforce the combination of two dissipating covers.And two dissipating covers can be to use aluminium, and copper or the good material of other heat conductivilitys are made.
A kind of concrete application of the box type heat abstractor of present embodiment in the LED illumination fastens the back by two dissipating covers and forms as shown in Figure 4.One end is near the led chip behind, and the other end contacts with electronic circuit board, and there is the heat conductive insulating layer centre.Behind the fan work, wind is inhaled into from a section of the side of boxlike radiator, behind the inner ventilation road, is discharged from from another section of opposition, thereby led chip is dispelled the heat and cools off.
Second embodiment of the present invention relates to a kind of cold box heat abstractor, concrete structure as shown in Figure 5, this cold box heat abstractor comprises: two dissipating cover 11a and 11b, built-in fans 13, this built-in fans 13 is placed in the centre of this cold box heat abstractor, as shown in Figure 6.This fan 13 can be the leaf formula fan that external form is a flat pattern.
Wherein, dissipating cover 11a and dissipating cover 11b can fasten mutually, and dissipating cover 11a and dissipating cover 11b form in the fin-shaped flow-guiding radiation sheet 14 of last lower plane by flat board 12 and positioned vertical that the centre has the fan containing hole, as shown in Figure 6.Flow-guiding radiation sheet 14 external edge are along coincideing with the plane parallel of flat board 12 or with the element surface state that is cooled.
This cold box heat abstractor combines with the parts surface that is cooled, and after this cold box heat abstractor top is closed, the gas channel that flow-guiding radiation sheet 14 on each dissipating cover is constituted leads to the blow vent 17a and the 17b all around of this cold box heat abstractor, and occupies peripheral area half; Half of periphery area is the air intake surface 15 that is used for air intake, and second half is the outlet air surface 16 that is used for air-out.The flow-guiding radiation sheet 14 that is in air intake surface 15 and outlet air surface 16 both sides is respectively isolated the air intake and the air-out of fan, and respectively with the periphery outlet of half separately of air-flow guiding.Be not difficult to find, when two dissipating covers fasten, two plane closely contacts mutually, middle ccontaining fan 13, fan air intake/outtake surface and radiator plane parallel.In addition, the inside of dissipating cover 1a and dissipating cover 1b also is provided with the air intake that prevents fan and air-out and produces the air-flow that mixes every face 18.
Wherein, dissipating cover 11a and dissipating cover 11b can adopt fixture to fasten; Dissipating cover 11a and dissipating cover 11b are provided with and are used to install and fix the installation screw 19 of element of being cooled, and this installation screw 19 not only can be used for installing and fixing of cooling element, also can reinforce the combination of two dissipating covers.And two dissipating covers can be to use aluminium, and copper or the good material of other heat conductivilitys are made.
The respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (15)
1. a box type heat abstractor is characterized in that, comprises: two dissipating covers (1a) and (1b), be placed in the fan (3) of described dissipating cover inside;
Wherein, described dissipating cover (1a) and dissipating cover (1b) can fasten mutually, are the box type of platypelloid type behind the fastening; The upper and lower surface (2) of described box type heat abstractor is an enclosed planar, around upper and lower enclosed planar is box type heat abstractor ventilating opening, wherein occupy half ventilating opening (7a) of described heat abstractor ventilating opening periphery for being used for the air intake surface (5) of air intake, second half peripheral ventilating opening (7b) is for being used for the outlet air surface (6) of air-out.
2. box type heat abstractor according to claim 1 is characterized in that, the enclosed planar up and down of described box type heat abstractor is the form that matches with the element surface that is cooled.
3. box type heat abstractor according to claim 1 is characterized in that, is provided with the fin-shaped flow-guiding radiation sheet (4) perpendicular to end face between the inboard and described fan (3) in the enclosed planar up and down of described box type heat abstractor.Wherein part flow-guiding radiation sheet (4) is in a side of described outlet air surface (6), and the flow-guiding radiation sheet (4) of remainder is in a side of described air intake surface (5);
The flow-guiding radiation sheet (4) that is in described air intake surface (5) and outlet air surface (6) respectively constitutes gas channel, the entering and discharging of described gas channel guiding fan, each half ventilating opening during gas channel is communicated to around the described boxlike heat abstractor respectively.
4. box type heat abstractor according to claim 3 is characterized in that every described flow-guiding radiation sheet (4) all leaves the space of ccontaining half described fan (3).
5. box type heat abstractor according to claim 3 is characterized in that, the inside of described dissipating cover (1a) and dissipating cover (1b) also is provided with the air intake that prevents fan and air-out and produces the air-flow that mixes every face (8).
6. according to each described box type heat abstractor in the claim 1 to 5, it is characterized in that described dissipating cover (1a) and dissipating cover (1b) adopt fixture to fasten.
7. according to each described box type heat abstractor in the claim 1 to 5, it is characterized in that described dissipating cover (1a) and the contact edge of dissipating cover (1b) when fastening mutually are along adopting the engagement design.
8. according to each described box type heat abstractor in the claim 1 to 5, it is characterized in that described dissipating cover (1a) and dissipating cover (1b) are provided with and are used to install and fix the installation screw (9) of element of being cooled.
9. according to each described box type heat abstractor in the claim 1 to 5, it is characterized in that described dissipating cover (1a) and dissipating cover (1b) are made by following arbitrary material:
Aluminium, copper, kirsite, heat-conducting plastic.
10. according to each described box type heat abstractor in the claim 1 to 5, it is characterized in that described fan (3) is the leaf formula fan of flat pattern for external form.
11. a cold box heat abstractor is characterized in that, comprises: two dissipating covers (11a) and (11b), built-in fans (13);
Wherein, described dissipating cover (11a) and dissipating cover (11b) can fasten mutually, and described dissipating cover (11a) and dissipating cover (11b) are formed in the fin-shaped flow-guiding radiation sheet (14) of last lower plane by flat board (12) and positioned vertical that the centre has the fan containing hole;
Described flow-guiding radiation sheet (14) external edge is along coincideing with the plane parallel of described flat board (12) or with the element surface state that is cooled;
Described cold box heat abstractor combines with the parts surface that is cooled, and after this cold box heat abstractor top is closed, the gas channel that flow-guiding radiation sheet (14) on each dissipating cover is constituted lead to described cold box heat abstractor around blow vent (17a) and (17b), and occupy half of peripheral area; Half of periphery area is the air intake surface (15) that is used for air intake, and second half is the outlet air surface (16) that is used for air-out;
Ccontaining described fan (13) in the middle of the described cold box heat abstractor, the flow-guiding radiation sheet (14) that is in described air intake surface (15) and described outlet air surface (16) both sides is respectively isolated the air intake and the air-out of fan, and respectively with the periphery outlet of half separately of air-flow guiding.
12. cold box heat abstractor according to claim 11 is characterized in that, described dissipating cover (11a) and dissipating cover (11b) adopt fixture to fasten.
13. cold box heat abstractor according to claim 11 is characterized in that, described dissipating cover (11a) and dissipating cover (11b) are provided with and are used to install and fix the installation screw (19) of element of being cooled.
14. cold box heat abstractor according to claim 11 is characterized in that, described dissipating cover (11a) and dissipating cover (11b) are made by following arbitrary material:
Aluminium, copper, kirsite, heat-conducting plastic.
15. cold box heat abstractor according to claim 11 is characterized in that, described fan (13) is the leaf formula fan of flat pattern for external form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205730.1A CN102261629B (en) | 2011-07-21 | 2011-07-21 | Box type heat sink and cold-box heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205730.1A CN102261629B (en) | 2011-07-21 | 2011-07-21 | Box type heat sink and cold-box heat sink |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102261629A true CN102261629A (en) | 2011-11-30 |
| CN102261629B CN102261629B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110205730.1A Active CN102261629B (en) | 2011-07-21 | 2011-07-21 | Box type heat sink and cold-box heat sink |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114832A (en) * | 2015-07-21 | 2015-12-02 | 中山市优米照明科技有限公司 | Heat dissipation device with LED light source |
| CN111829267A (en) * | 2020-08-12 | 2020-10-27 | 深圳市诺泰芯装备有限公司 | Cooling and heat dissipating device and method for chip after high-temperature test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6421239B1 (en) * | 2000-06-06 | 2002-07-16 | Chaun-Choung Technology Corp. | Integral heat dissipating device |
| CN2594507Y (en) * | 2002-12-13 | 2003-12-24 | 神基科技股份有限公司 | Radiating structure |
| CN101660743A (en) * | 2009-09-14 | 2010-03-03 | 广州南科集成电子有限公司 | Radiator and LED lamp with fan |
| CN201606751U (en) * | 2010-01-20 | 2010-10-13 | 深圳市日锋电子有限公司 | Safety LED spotlight |
| CN202432489U (en) * | 2011-07-21 | 2012-09-12 | 上海信洁照明科技有限公司 | Box type heat radiation device and cold box heat radiation device |
-
2011
- 2011-07-21 CN CN201110205730.1A patent/CN102261629B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6421239B1 (en) * | 2000-06-06 | 2002-07-16 | Chaun-Choung Technology Corp. | Integral heat dissipating device |
| CN2594507Y (en) * | 2002-12-13 | 2003-12-24 | 神基科技股份有限公司 | Radiating structure |
| CN101660743A (en) * | 2009-09-14 | 2010-03-03 | 广州南科集成电子有限公司 | Radiator and LED lamp with fan |
| CN201606751U (en) * | 2010-01-20 | 2010-10-13 | 深圳市日锋电子有限公司 | Safety LED spotlight |
| CN202432489U (en) * | 2011-07-21 | 2012-09-12 | 上海信洁照明科技有限公司 | Box type heat radiation device and cold box heat radiation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114832A (en) * | 2015-07-21 | 2015-12-02 | 中山市优米照明科技有限公司 | Heat dissipation device with LED light source |
| CN111829267A (en) * | 2020-08-12 | 2020-10-27 | 深圳市诺泰芯装备有限公司 | Cooling and heat dissipating device and method for chip after high-temperature test |
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| Publication number | Publication date |
|---|---|
| CN102261629B (en) | 2014-07-02 |
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