CN102818235A - Radiator and light-emitting diode (LED) lighting device with radiator - Google Patents
Radiator and light-emitting diode (LED) lighting device with radiator Download PDFInfo
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- CN102818235A CN102818235A CN2011101555263A CN201110155526A CN102818235A CN 102818235 A CN102818235 A CN 102818235A CN 2011101555263 A CN2011101555263 A CN 2011101555263A CN 201110155526 A CN201110155526 A CN 201110155526A CN 102818235 A CN102818235 A CN 102818235A
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- radiator
- heat
- lighting device
- conducting substrate
- led lighting
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a radiator and a light-emitting diode (LED) lighting device with the radiator. The radiator comprises a heat-conducting substrate and a plurality of radiating columns, a plurality of through holes are mounted on the heat-conducting substrate, each radiating column is disposed on one surface of the heat-conducting substrate, and the radiating columns are separately configured. The lighting device comprises the radiator and an LED light-emitting module, the LED light-emitting module is fixed on the heat-conducting substrate, and the LED light-emitting module includes a circuit board and a plurality of LEDs which are distributed on the circuit board. Accordingly, the superficial area of heat exchange with surrounding gas can be increased, and the heat-radiating efficiency of the radiator can be improved.
Description
Technical field
The present invention relates to a kind of lighting device, refer to the LED lighting device of a kind of radiator and this radiator of tool especially.
Background technology
In recent years because of the flourish of light emitting diode (LED) technology and reach its maturity, and it has low power consuming, long service life, volume is little and reacts characteristics such as fast, the lighting device that replacement progressively is traditional; Yet influencing the accumulation problem of the most critical factor in LED life-span no more than heat, is the products such as radiator that all use at the exploitation capable for LED teeth and nail with present relevant insider.
Known LED lighting device; Mainly comprise an aluminium extruded radiator and a LED light emitting module; The several dissipation fins that this aluminium extruded radiator comprises a seat board and extends upward out from an end of seat board; Each radiating fin roughly is a strip, and is formed with a heat dissipation channel between the in office two adjacent radiating fins; The LED light emitting module then is fixed on seat board and thermo-contact conduction each other.
Yet still there is following problem points in known LED lighting device on reality is used, because its each radiating fin is a strip, can be restricted with the cooling surface area that ambient gas is done heat exchange, more is prone to cause the problem at dead angle because of the relation of wind direction.In addition its seat board is a sealing plate body, and not only the gas of the upper and lower both sides of plate body can't carry out effective heat exchange, and is prone to pile up or be stained with glutinous dust, dirt at the upper surface of plate body when being used in outdoor space; So, all will seriously influence its heat dissipation.
Summary of the invention
In view of this; The technical problem that the present invention will solve is to provide the LED lighting device of a kind of radiator and this radiator of tool; It is laid through the independent of each thermal column, can increase the heat exchange surface area with gas significantly, and then improves the heat dissipation of radiator.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that a kind of radiator, comprising: a heat-conducting substrate offers most through holes; And most thermal columns, be separately positioned on the surface of this heat-conducting substrate, respectively this thermal column is a configured separate.
Further, this heat-conducting substrate comprises a upper plate and a lower plate of mutual winding, and the through hole correspondence is opened in this upper and lower plate.
Further, thermal column is from the end face elongation moulding of this upper and lower plate.
Further, the side in this upper and lower plate winding is formed with a sleeve joint hole.
Further, more comprise most heat pipes, offer two above conduits respectively at this upper and lower plate, heat pipe is embedded in the conduit.
Further, more comprise most heat pipes, offer two with upper groove at this heat-conducting substrate, this heat pipe is contained in the groove.
Further, this thermal column is a solid cylinder.
Further, this thermal column is a hollow circuit cylinder.
Further, this thermal column offers a profile groove.
Further, be formed with a disposal area on another surface of this heat-conducting substrate.
Further, be connected with most thermal columns, between this another surperficial thermal column, be formed with a disposal area on another surface of this heat-conducting substrate.
Another kind of technical scheme does; A kind of LED lighting device of tool radiator comprises: a radiator, comprise a heat-conducting substrate and most thermal column, and this heat-conducting substrate offers most through holes, and respectively this thermal column is separately positioned on a surface and the configured separate of this heat-conducting substrate; And
One LED light emitting module is fixed on this heat-conducting substrate, and this LED light emitting module comprises a circuit board and is laid in most LED of this circuit board.
Further, this heat-conducting substrate comprises a upper plate and a lower plate of mutual winding, and the through hole correspondence is opened in this upper and lower plate.
Further, thermal column is from the end face elongation moulding of this upper and lower plate.
Further, the side in this upper and lower plate winding is formed with a sleeve joint hole.
Further, this radiator more comprises most heat pipes, and this upper and lower plate offers many conduits respectively, and heat pipe is embedded in the conduit.
Further, this radiator more comprises most heat pipes, and this heat-conducting substrate offers many grooves, and heat pipe is contained in the groove.
Further, this thermal column is a solid cylinder.
Further, this thermal column is a hollow circuit cylinder.
Further, this thermal column offers a profile groove.
Further, be formed with this LED light emitting module of confession on another surface of this heat-conducting substrate and put a disposal area of establishing.
Further, be connected with most thermal columns on another surface of this heat-conducting substrate, between this another surperficial thermal column, be formed with a disposal area, this disposal area supplies this LED light emitting module to put to establish.
Further, this LED light emitting module more comprises and amplexiforms at this heat-conducting substrate and supply the fixing temperature-uniforming plate of this circuit board.
Further, this circuit board is a metal base printed circuit board.
Further, more comprise a diffuser, to be cover cap at this LED light emitting module outside and be fixed on this heat-conducting substrate for this diffuser.
The technique effect that the present invention reaches is following: it is offered by each through hole, the heat exchange action of not only can increase heat-radiating substrate and ambient cold air, and can alleviate whole weight significantly.Utilize the even distribution of each cylindric thermal column, can reduce the generation at heat radiation dead angle, and bring into play heat dissipation fully.Each through hole is except can be used as heat dissipation channel, if when this LED lighting device is configured in the outdoor space, these through holes also can be used as the runner of washing, therefore can avoid the accumulation influence of dust, dirt etc. effectively.By offering profile groove at each thermal column or forming hollow posts, not only can alleviate whole gross weight, more can enlarge heat exchange surface area with ambient gas.
Description of drawings
Fig. 1 is the first embodiment of the invention three-dimensional exploded view.
Fig. 2 is the first embodiment of the invention combination appearance figure.
Fig. 3 is first embodiment of the invention combination vertical view.
Fig. 4 is the 4-4 cutaway view of Fig. 3.
Fig. 5 is the 5-5 cutaway view of Fig. 3.
Fig. 6 is the 6-6 cutaway view of Fig. 3.
Fig. 7 is the 7-7 cutaway view of Fig. 3.
Fig. 8 is the second embodiment of the invention assembled sectional view.
Fig. 9 is the third embodiment of the invention assembled sectional view.
Figure 10 is the fourth embodiment of the invention assembled sectional view.
Figure 11 is the fifth embodiment of the invention assembled sectional view.
The specific embodiment
See also Fig. 1-shown in Figure 7, the present invention provides the LED lighting device of a kind of radiator and tool radiator, and this LED lighting device mainly comprises a radiator 1 and a LED light emitting module 5.
Radiator 1 comprises a heat-conducting substrate 10 and most thermal column 20; The heat-conducting substrate 10 of present embodiment is combined by a upper plate 11 and 12 of lower plates; It is one rectangular-shaped that upper and lower plate 11,12 roughly is, and it is made all to lead the thermal diffusivity good material with copper, aluminium or its alloy etc.; Offer most through holes 111,121 of mutual correspondence respectively at upper and lower plate 11,12, each through hole 111,121 roughly is transversely arranged; In addition offer most bar conduits 112,122 on the surfaces that upper and lower plate 11,12 repeatedly connects each other, these conduits 112,122 are formed in and aforementionedly respectively arrange through hole 111, between 121.
Each thermal column 20 is formed on the upper and lower surface of upper and lower plate 11,12; These thermal columns 20 can with upper and lower plate 11,12 one-body molded making; Or be connected on the upper and lower plate 11,12 with compound mode; Each thermal column 20 can be a solid cylinder (as shown in Figure 6), and its proper again position of thermal column 20 that is spaced laying and adjacent rows along aforementioned conduit 112,122 both sides is in zones, aforementioned through hole 111,121 outsides (consulting shown in Figure 5).Other is formed with a disposal area 123 (consulting shown in Figure 4) between each thermal column 20 of the lower surface zone line of lower plate 12; This disposal area 123 is to supply aforesaid LED light emitting module 5 to install and fix, and position directly over disposal area 123, the proper position of an end of aforementioned each conduit 122.
In addition; Radiator 1 of the present invention more comprises most heat pipes 30 (Heat Pipe); The inside of each heat pipe 30 has capillary structure and working fluid, utilizes the liquid-gas phase transitionization and the liquid backflow mechanism that capillary structure is provided of working fluid, produces the heat transmission of continuous circulation; Each heat pipe 30 has an evaporator section 31 and spontaneous evaporation section 31 extended condensation segments 32; These heat pipes 30 are to be placed in the aforesaid conduit 112,122; And by upper and lower plate 11,12 folded pull fixing (consulting shown in Figure 6), wherein each evaporator section 31 is positioned in each conduit 112,122 directly over the disposal area 123 (consulting shown in Figure 3).Further, the side after upper and lower plate 11,12 combinations is formed with a sleeve joint hole 13 (consulting shown in Figure 2).
LED light emitting module 5 mainly comprises a circuit board 51, most LED52 and a temperature-uniforming plate 53 (Vapor Chamber); This circuit board 51 is a metal base printed circuit board (Metal Core PCB; MCPCB), each LED52 is laid on the surface of circuit board 51 with the arranged mode, and the inside of temperature-uniforming plate 53 also has capillary structure, working fluid and supporter; Utilize the liquid-gas phase transitionization and the liquid backflow mechanism that capillary structure is provided of working fluid, produce the heat transmission of continuous circulation; One end face of this temperature-uniforming plate 53 is and the evaporator section 31 heat conduction of lower plate 12 and each heat pipe 30 that other end then power circuit board 51 is fixed and conducted with each LED52 heat.
In addition, LED lighting device of the present invention more comprises a diffuser 6 these diffusers 6 to be cover caps at LED light emitting module 5 outside and is fixed on the lower plate 12; So, to be combined into the LED lighting device of a tool radiator.
Luminous and the generation high heat of each LED52 during use; It conducts direct heat to temperature-uniforming plate 53; Temperature-uniforming plate 53 is after accepting these heats; Become a gas with making its inner working fluid produce evaporation, this gas will be removed toward the cold junction of temperature-uniforming plate 53 with a large amount of heat fast, and this heat is conducted to heat-conducting substrate 10 and each heat pipe 30; 30 most of zones that these heat rapid diffusion are transmitted to heat-conducting substrate 10 of each heat pipe; Cold air by each through hole 111,121 on the heat-conducting substrate 10 and outside carries out heat exchange, utilizes the big cooling surface area of each thermal column 20 to come to carry out a large amount of heat exchanges with outside cold air simultaneously, and a dynamical radiating effect.
See also shown in Figure 8; LED lighting device for second embodiment of the invention; The main distinction of this LED lighting device and the first embodiment LED lighting device is: each thermal column 20a is respectively from an end face elongation moulding of upper plate 11 or lower plate 12; And each thermal column 20a is a hollow circular cylinder, so can significantly alleviate the weight of upper and lower plate 11,12 and each thermal column 20a, and the cooling surface area that can effectively increase.
See also shown in Figure 9; LED lighting device for third embodiment of the invention; The main distinction of this LED lighting device and aforementioned each embodiment LED lighting device is: each thermal column 20b system offers a word shape profile groove 21b, but does not exceed with this kind shape from an end face elongation moulding of upper plate 11 or lower plate 12 in the center of each thermal column 20b; It also can be the profile groove of other various different geometric modelings, so also has the effects equivalent of weight reduction and amplification cooling surface area.
See also shown in Figure 10; LED lighting device for fourth embodiment of the invention; The main distinction of this LED lighting device and aforementioned each embodiment LED lighting device is: heat-conducting substrate 10c is made up of single plate body, is extended with most thermal columns 20 at the single end face of heat-conducting substrate 10c, and offers most bar groove 100c in the position of the corresponding LED light emitting module 5 of heat-conducting substrate 10c; Bury underground for each heat pipe 30,5 of LED light emitting modules are to be fixed in the 123c of disposal area.
See also shown in Figure 11; LED lighting device for fifth embodiment of the invention; The main distinction of this LED lighting device and aforementioned each embodiment LED lighting device is: heat-conducting substrate 10d also is made up of single plate body; Both ends of the surface up and down at heat-conducting substrate 10d are extended with most root thermal columns 20 respectively, and the temperature-uniforming plate 53 of light emitting module 5 directly is fixed on the lower surface of heat-conducting substrate 10d.
In sum, the LED lighting device of radiator of the present invention and this radiator of tool really can reach the application target of expection, and solve known disappearance, again because of having novelty and progressive.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (25)
1. a radiator is characterized in that, comprising:
One heat-conducting substrate offers most through holes; And
Most thermal columns are separately positioned on the surface of this heat-conducting substrate, and respectively this thermal column is a configured separate.
2. radiator as claimed in claim 1 is characterized in that, this heat-conducting substrate comprises a upper plate and a lower plate of mutual winding, and the through hole correspondence is opened in this upper plate and lower plate.
3. radiator as claimed in claim 2 is characterized in that, thermal column is from the end face elongation moulding of this upper and lower plate.
4. radiator as claimed in claim 3 is characterized in that, is formed with a sleeve joint hole at a side of this upper plate, lower plate winding.
5. radiator as claimed in claim 3 is characterized in that, more comprises most heat pipes, offers most bar conduits respectively in this upper plate, lower plate, and heat pipe is embedded in the conduit.
6. radiator as claimed in claim 1 is characterized in that, more comprises most heat pipes, offers most bar grooves at this heat-conducting substrate, and this heat pipe is contained in the groove.
7. radiator as claimed in claim 1 is characterized in that, this thermal column is a solid cylinder.
8. radiator as claimed in claim 1 is characterized in that, this thermal column is a hollow circuit cylinder.
9. radiator as claimed in claim 1 is characterized in that this thermal column offers a profile groove.
10. radiator as claimed in claim 1 is characterized in that, is formed with a disposal area on another surface of this heat-conducting substrate.
11. radiator as claimed in claim 1 is characterized in that, is connected with most thermal columns on another surface of this heat-conducting substrate, between this another surperficial thermal column, is formed with a disposal area.
12. the LED lighting device of a tool radiator is characterized in that, comprising:
One radiator comprises a heat-conducting substrate and most thermal column, and this heat-conducting substrate offers most through holes, and respectively this thermal column is separately positioned on a surface and the configured separate of this heat-conducting substrate; And
One LED light emitting module is fixed on this heat-conducting substrate, and this LED light emitting module comprises a circuit board and is laid in most LED of this circuit board.
13. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, this heat-conducting substrate comprises a upper plate and a lower plate of mutual winding, and the through hole correspondence is opened in this upper and lower plate.
14. the LED lighting device of tool radiator as claimed in claim 13 is characterized in that, thermal column is from the end face elongation moulding of this upper plate, lower plate.
15. the LED lighting device of tool radiator as claimed in claim 14 is characterized in that, is formed with a sleeve joint hole at a side of this upper and lower plate winding.
16. the LED lighting device of tool radiator as claimed in claim 14 is characterized in that this radiator more comprises most heat pipes, this upper plate, lower plate are offered most bar conduits respectively, and heat pipe is embedded in the conduit.
17. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that this radiator more comprises most heat pipes, this heat-conducting substrate offers most bar grooves, and heat pipe is contained in the groove.
18. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, this thermal column is a solid cylinder.
19. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, this thermal column is a hollow circuit cylinder.
20. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that this thermal column offers a profile groove.
21. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, is formed with on another surface of this heat-conducting substrate to supply this LED light emitting module to put a disposal area of establishing.
22. the LED lighting device of tool radiator as claimed in claim 12; It is characterized in that; Another surface at this heat-conducting substrate is connected with most thermal columns, between this another surperficial thermal column, is formed with a disposal area, and this disposal area supplies this LED light emitting module to put to establish.
23. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, this LED light emitting module more comprises and amplexiforms at this heat-conducting substrate and supply the fixing temperature-uniforming plate of this circuit board.
24. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, this circuit board is a metal base printed circuit board.
25. the LED lighting device of tool radiator as claimed in claim 12 is characterized in that, more comprises a diffuser, to be cover cap at this LED light emitting module outside and be fixed on this heat-conducting substrate for this diffuser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101555263A CN102818235A (en) | 2011-06-10 | 2011-06-10 | Radiator and light-emitting diode (LED) lighting device with radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101555263A CN102818235A (en) | 2011-06-10 | 2011-06-10 | Radiator and light-emitting diode (LED) lighting device with radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102818235A true CN102818235A (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101555263A Pending CN102818235A (en) | 2011-06-10 | 2011-06-10 | Radiator and light-emitting diode (LED) lighting device with radiator |
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| Country | Link |
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| CN (1) | CN102818235A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078835A (en) * | 2013-03-27 | 2014-10-01 | 现代摩比斯株式会社 | Laser diode mounting substrate for automotive lamp module |
| KR20140118158A (en) * | 2013-03-28 | 2014-10-08 | 현대모비스 주식회사 | Light source module for vehicle |
| CN105003873A (en) * | 2015-08-11 | 2015-10-28 | 常州格林照明股份有限公司 | Led street lamp |
| CN105020685A (en) * | 2014-04-15 | 2015-11-04 | 英属开曼群岛纳诺有限公司 | LED heat radiation structure |
| WO2021044090A1 (en) * | 2019-09-05 | 2021-03-11 | Psa Automobiles Sa | Radiator with optimised cooling capacity for motor vehicle headlamp |
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| CN2535842Y (en) * | 2002-02-08 | 2003-02-12 | 邓淑贞 | Radiating fin |
| CN100484380C (en) * | 2006-01-21 | 2009-04-29 | 富准精密工业(深圳)有限公司 | Heat sink |
| CN201748362U (en) * | 2009-12-31 | 2011-02-16 | 王子能 | Novel LED lamp heat-radiating device |
| CN202118851U (en) * | 2011-06-10 | 2012-01-18 | 王勤文 | Radiator and light-emitting diode (LED) lighting device with same |
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2011
- 2011-06-10 CN CN2011101555263A patent/CN102818235A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535842Y (en) * | 2002-02-08 | 2003-02-12 | 邓淑贞 | Radiating fin |
| CN100484380C (en) * | 2006-01-21 | 2009-04-29 | 富准精密工业(深圳)有限公司 | Heat sink |
| CN201748362U (en) * | 2009-12-31 | 2011-02-16 | 王子能 | Novel LED lamp heat-radiating device |
| CN202118851U (en) * | 2011-06-10 | 2012-01-18 | 王勤文 | Radiator and light-emitting diode (LED) lighting device with same |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078835A (en) * | 2013-03-27 | 2014-10-01 | 现代摩比斯株式会社 | Laser diode mounting substrate for automotive lamp module |
| CN104078835B (en) * | 2013-03-27 | 2017-11-17 | 现代摩比斯株式会社 | Laser diode mounted substrate for vehicle light source module |
| KR20140118158A (en) * | 2013-03-28 | 2014-10-08 | 현대모비스 주식회사 | Light source module for vehicle |
| KR102014955B1 (en) | 2013-03-28 | 2019-08-27 | 현대모비스 주식회사 | Light source module for vehicle |
| CN105020685A (en) * | 2014-04-15 | 2015-11-04 | 英属开曼群岛纳诺有限公司 | LED heat radiation structure |
| CN105003873A (en) * | 2015-08-11 | 2015-10-28 | 常州格林照明股份有限公司 | Led street lamp |
| WO2021044090A1 (en) * | 2019-09-05 | 2021-03-11 | Psa Automobiles Sa | Radiator with optimised cooling capacity for motor vehicle headlamp |
| FR3100600A1 (en) * | 2019-09-05 | 2021-03-12 | Psa Automobiles Sa | Radiator with optimized cooling capacity for automotive vehicle headlight |
| CN114341548A (en) * | 2019-09-05 | 2022-04-12 | 标致雪铁龙汽车股份有限公司 | Heat sink for a motor vehicle headlight with optimized cooling capacity |
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Application publication date: 20121212 |