CN105135256B - Self-cooling LED lamp and its radiator structure - Google Patents
Self-cooling LED lamp and its radiator structure Download PDFInfo
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- CN105135256B CN105135256B CN201510640909.8A CN201510640909A CN105135256B CN 105135256 B CN105135256 B CN 105135256B CN 201510640909 A CN201510640909 A CN 201510640909A CN 105135256 B CN105135256 B CN 105135256B
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- heat
- radiator structure
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- dissipation channel
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Abstract
The invention provides a kind of self-cooling LED lamp and its radiator structure.The upper surface connection of radiator structure and the substrate of LED, including：Housing, is connected to form closed cavity with the upper surface of substrate, filled with heat exchange liquid in cavity；Partition board portion, is arranged in cavity, and cavity is divided into heat exchanger channels and heat dissipation channel；Heat exchanger channels are used to exchange heat liquid and LED is exchanged heat, and absorb the heat that LED is produced, and heat dissipation channel transfers heat to air for absorbing the heat exchange liquid after heat and external environment is exchanged heat；Partition board portion includes left clapboard, right clapboard and bottom plate.The radiator structure of the present invention is radiated by the way of the cold convection current of liquid, and radiating efficiency is high.Also, flowing is radiated naturally after the liquid that exchanged heat in radiation processes is heated, no excessive power drain, and noise-less pollution, convenient convenience.Moreover, the radiator structure manufacture of the present invention is easy, Costco Wholesale is low, can extend the service life of LED, and have extensive use for reference and DEVELOPMENT PROSPECT in field of LED illumination.
Description
Technical field
The present invention relates to a kind of Lamp And Its Radiating Mechanism, and in particular to a kind of self-cooling LED lamp and its radiator structure.
Background technology
LED is a kind of new type light source, with the high and low power consumption of brightness, long lifespan, starts fast, power is small, without stroboscopic, no
The advantages of regarding visual fatigue is easily produced, the light source revolution of 21 century is described as, is related to mobile phone, desk lamp, household electrical appliances with field
In terms of daily household electrical appliances and machinery production.The basic structure of LED is one piece of electroluminescent chip of semiconductor material, uses elargol
Or latex solidified, on support, then with silver wire or gold thread connection chip and circuit board, then surrounding is sealed with epoxy resin (protects
Protect internal core), shell is finally installed.Chip of semiconductor material is LED light emitting diodes, by containing gallium (Ga), arsenic (As), phosphorus
(P), the compound of nitrogen (N) etc. is made.It is one kind of semiconductor diode, electric energy can be changed into luminous energy.
LED is due to its principle of luminosity so there is following point：Because its heating is concentrated, and the poor heat radiation of encapsulant,
Cause the temperature of LED too high so that LED chip light decay is serious, shortens its service life；And its illuminator is small, for up to
To certain brightness, multiple LED light emitting diodes need to be used so that LED is brought rapidly up in use, speed-up chip light
Decline.Radiating, is the one big problem that current LED lamp faces.
The radiating of present LED is very passive, and wind-cooling heat dissipating method handle is passed through using the heat abstractor being connected with LED
The compound heat derives produced of LED chip are gone in LED.Using the method for passive wind-cooling heat dissipating, cause heat abstractor excessive, imitate
Rate is relatively low；Radiated using active air cooling, although heat abstractor is smaller, efficiency is higher than passive wind-cooling heat dissipating, and heat abstractor is put certainly
Heat, the temperature of LED can still be improved by being connected with LED, speed-up chip light decay.
The content of the invention
The present invention is carried out to solve above-mentioned problem, it is therefore intended that provide self-cooling LED lamp and its radiator structure.
The invention provides a kind of radiator structure for self-cooling LED lamp, it is connected with the upper surface of the substrate of LED,
Have the feature that, including：Housing, is connected with the upper surface of substrate, is formed in closed cavity, cavity filled with heat exchange
Liquid, housing has antetheca, rear wall, left side wall and rear wall.Partition board portion, is arranged in cavity, and cavity is divided into heat exchanger channels
And heat dissipation channel, heat exchanger channels are used to exchange heat liquid and LED is exchanged heat, and absorb the heat that LED is produced, heat dissipation channel use
Exchanged heat in absorbing heat exchange liquid and external environment after heat, transfer heat to air, partition board portion include left clapboard, the right side every
Plate and bottom plate.Wherein, left clapboard is set with right clapboard in splayed, relative with left and right two parts of the antetheca of housing respectively
Should；And the angle of bottom and substrate is at an acute angle, and connected respectively by bottom plate and antetheca, form left heat dissipation channel and right radiating
Passage.Opening between left clapboard and the bottom upper end of right clapboard is the water inlet of heat dissipation channel, for absorbing changing after heat
Hydrothermal solution leaves heat exchanger channels and enters heat dissipation channel.Left clapboard is close to the lower end of housing left side wall side and right clapboard close to shell excessively
The lower end edge of body right side wall side is respectively arranged with the delivery port of heat dissipation channel, and radiating is left for discharging the heat exchange liquid after heat
Passage enters the part for being provided with heat exchanger channels, delivery port and preventing flowing backwards.
In the radiator structure that the present invention is provided, it can also have the feature that：Wherein, it is single to prevent the part flow backwards
Into valve or electronic blade any one.
In the radiator structure that the present invention is provided, it can also have the feature that：Wherein, left heat dissipation channel and the right side dissipate
The passage of heat is serpentine channel.
In the radiator structure that the present invention is provided, it can also have the feature that：Wherein, heat exchange liquid uses heat conductivility
Any 1~4 kind in good liquid, such as water, ethanol, ethylene glycol and glycerine.
In the radiator structure that the present invention is provided, it can also have the feature that：Wherein, housing is good using heat conductivility
Good material, such as copper or aluminium are made.
In the radiator structure that the present invention is provided, it can also have the feature that：Wherein, left clapboard, right clapboard difference
Left and right two parts corresponding with the antetheca of housing are connected by post connected mode.
Present invention also offers a kind of self-cooling LED lamp, it can also have the feature that, including：At least one LED
Pearl；Substrate, lower surface is electrically connected with LED lamp bead；And radiator structure, it is connected with the upper surface of substrate, wherein, radiator structure
For above-mentioned any one radiator structure.
In the self-cooling LED lamp that the present invention is provided, it can also have the feature that：Wherein, substrate and housing one
Shaping.
The effect of invention and effect
According to the radiator structure of self-cooling LED lamp involved in the present invention, because being radiated by the way of the cold convection current of liquid, institute
There is high radiating efficiency with the self-cooling LED lamp and its radiator structure of the present invention.Also, the liquid that exchanged heat in radiation processes is heated
Flowing is radiated naturally afterwards, no excessive power drain, and noise-less pollution, convenient convenience.Moreover, the LED heat dissipation structure of the present invention
With good thermal diffusivity, structure is exquisite, and manufacture is easy, and Costco Wholesale is low, the advantages of service life is long, and in LED illumination neck
There is extensive use for reference and DEVELOPMENT PROSPECT in domain.In addition, after the LED heat dissipation structure of the present invention is connected with LED, rapid radiating is prolonged
The service life of LED is grown.The radiator structure of the present invention can be customized arbitrarily as needed, be not limited to LED.
Brief description of the drawings
Fig. 1 is the upward view of LED in embodiments of the invention；
Fig. 2 is the structural representation of LED in embodiments of the invention；And
Fig. 3 is the structural representation of the variation of the radiator structure of LED in the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, it is real below
Example combination accompanying drawing is applied to be specifically addressed self-cooling LED lamp of the present invention and its radiator structure.
Embodiment one
Fig. 1 is the upward view of LED 100 in the present embodiment one.
As shown in figure 1, the self-cooling LED lamp 100 in the present embodiment, including multiple LED lamp beads 1, substrate 2 and radiating knot
Structure 3.The lower surface of substrate 2 is electrically connected with LED lamp bead 1；Upper surface is connected with radiator structure 3.
Fig. 2 is the structural representation of LED 100 in the present embodiment one.
As shown in Fig. 2 the self-cooling LED lamp 100 in the present embodiment, including multiple LED lamp beads 1, substrate 2 and radiating knot
Structure 3.The lower surface of substrate 2 is electrically connected with LED lamp bead 1, and upper surface is connected with radiator structure 3.
LED lamp bead 1 includes LED chip 11, heat-conducting metal block 12 and heat sink 13.LED chip 11 is used for electroluminescent, leads
Thermometal block 12 be used to transmitting LED chip to heat sink 13, heat sink 13 heat for producing chip by minimum thermal resistance path from LED
Substrate 2 is transferred in the cavity of pearl encapsulation, the heat that LED lamp bead 1 is produced is transferred to heat-dissipating cavity 30 by substrate 2.Substrate 2 will
LED lamp bead 1 is connected with power supply.Substrate 2 can use metal substrate, or use the preferable ceramic substrate of heat-conducting effect.
Radiator structure 3 includes housing 31 and partition board portion 32.Housing 31 is connected to form closed chamber with the upper surface of substrate 2
Filled with heat exchange liquid in body, cavity, housing 31 has antetheca, rear wall, left side wall and rear wall.Partition board portion 32 is arranged on cavity
It is interior, cavity is divided into heat exchanger channels 33 and heat dissipation channel 34.Heat exchanger channels 33 are used to exchange heat liquid and LED is exchanged heat, suction
The heat that LED is produced is received, heat dissipation channel 34 is used to absorb the heat exchange liquid after heat and external environment is exchanged heat, and heat is passed
Pass air.Housing 31 can be made of the good material of thermal conductivity, such as metallic aluminium, metallic copper.Exchanging heat liquid can be good using thermal conductivity
Any 1~4 kind in good liquid, such as water, ethanol, ethylene glycol and glycerine.Water and alcohol mixed solution are used in the present embodiment.
Partition board portion 32 includes left clapboard 321, right clapboard 322 and bottom plate 323.Wherein, left clapboard 321 and right clapboard 322
Set in splayed, left and right two parts with the antetheca of housing 31 are corresponding, bottom and the angle difference of substrate 2 are at an acute angle, and
Connected respectively by bottom plate 323 and the antetheca of housing 31, form left and right two parts of heat dissipation channel 34：Left heat dissipation channel and the right side dissipate
The passage of heat.Left heat dissipation channel and right heat dissipation channel are serpentine fin passage.
Opening between left clapboard 321 and the bottom upper end of right clapboard 322 is the water inlet of heat dissipation channel, for absorbing heat
Heat exchange liquid after amount leaves heat exchanger channels 33 and enters heat dissipation channel 34；Left clapboard 321 close to housing left side wall side lower end with
And right clapboard 322 is respectively arranged with the delivery port of heat dissipation channel close to the lower end edge for crossing housing right side wall side, for discharging heat
Heat exchange liquid after amount leaves heat dissipation channel 34 and enters heat exchanger channels 33.The part 35 for preventing flowing backwards is provided with delivery port.This reality
Applying prevents the part 35 flow backwards from being check valve in example.Check valve can be using active clapboard etc..Active clapboard scope of activities is vertical
Downwards between 90 ° of delivery port, the refluence of heat exchange liquid is limited.
Left and right two parts corresponding with the antetheca of housing can pass through post connection side respectively for left clapboard 321, right clapboard 322
Formula is connected.To reach preferable radiating effect, substrate 2 can be integrally formed with radiator structure 3, i.e. substrate 2 and the one of housing 31
Shaping.
LED discharges amount of heat in the course of the work, and heat exchange liquid absorbs the heat discharged in heat exchanger channels 33
Gushed on afterwards, leaving heat exchanger channels 33 by the water inlet of heat dissipation channel enters heat dissipation channel 34；Exchange heat liquid in heat dissipation channel 34 with
Air exchange heat, when reaching delivery port, the heat of heat exchange liquid has been transferred to air；Heat exchange liquid leaves the entrance of heat dissipation channel 34 and changed
The passage of heat 33, continues to absorb the heat of LED release, forms backflow.
Variation one
In this variation one, for identical structure in embodiment one, give identical symbol, and omit identical
Explanation.
Fig. 3 is the structural representation of the variation one of the radiator structure of LED in the present invention.
As shown in figure 3, this variation one is with the distinctive points of embodiment one：Prevent the part flow backwards from using electronic blade
41.Electronic blade 41 is electrically connected with substrate 2, the flowing for accelerating heat exchange liquid, improves radiating efficiency.
The effect of embodiment and effect
The radiator structure of self-cooling LED lamp according to involved by the present embodiment, because being radiated by the way of the cold convection current of liquid,
So the self-cooling LED lamp and its radiator structure of the present embodiment have high radiating efficiency.Also, exchange heat liquid in radiation processes
Flowing is radiated naturally after heated, no excessive power drain, and noise-less pollution, convenient convenience.Moreover, the LED of the present embodiment dissipates
Heat structure has good thermal diffusivity, and structure is exquisite, and manufacture is easy, and Costco Wholesale is low, the advantages of service life is long, and in LED
Lighting field has extensive use for reference and DEVELOPMENT PROSPECT.In addition, after the LED heat dissipation structure of the present embodiment is connected with LED, rapidly
Radiating, extends the service life of LED.The radiator structure of the present embodiment can be customized arbitrarily as needed, be not limited to LED.
Above example is only the basic explanation under present inventive concept, is not limited the invention.And according to the present invention
Any equivalent transformation for being made of technical scheme, belong to protection scope of the present invention.
Claims (9)
1. a kind of radiator structure, is connected with the upper surface of the substrate of LED, the radiating for LED, it is characterised in that including：
Housing, is connected with the upper surface of the substrate, is formed in closed cavity, the cavity filled with heat exchange liquid, the shell
Body has antetheca, rear wall, left side wall and rear wall,
Partition board portion, is arranged in the cavity, and the cavity is divided into heat exchanger channels and heat dissipation channel, and the heat exchanger channels are used
Exchanged heat in the heat exchange liquid and the LED, absorb the heat that the LED is produced, the heat dissipation channel is used to absorb
The heat exchange liquid and external environment after heat are exchanged heat, and transfer heat to air, and the partition board portion includes left clapboard, the right side
Dividing plate and bottom plate,
Wherein, the left clapboard is set with the right clapboard in splayed, respectively with left and right two parts of the antetheca of the housing
It is corresponding, and bottom and the angle of the substrate are at an acute angle, and connected respectively by the bottom plate and the antetheca, form left dissipate
The passage of heat and right heat dissipation channel, the left heat dissipation channel and the right heat dissipation channel are serpentine channel,
Opening between the left clapboard and the bottom upper end of the right clapboard is the water inlet of the heat dissipation channel, for absorbing
The heat exchange liquid after heat leaves the heat exchanger channels into the heat dissipation channel,
The left clapboard is close to the lower end of the housing left side wall side and the right clapboard close to excessively described housing right side wall
The lower end edge of side is respectively arranged with the delivery port of heat dissipation channel, and the radiating is left for discharging the heat exchange liquid after heat
Passage enters the heat exchanger channels,
The part for preventing flowing backwards is provided with the delivery port.
2. radiator structure according to claim 1, it is characterised in that：
Wherein, the part for preventing from flowing backwards is any one in check valve or electronic blade.
3. radiator structure according to claim 1, it is characterised in that：
Wherein, the heat exchange liquid is the good liquid of heat conductivility.
4. radiator structure according to claim 3, it is characterised in that：
Wherein, the heat exchange liquid is any 1~4 kind in water, ethanol, ethylene glycol and glycerine.
5. radiator structure according to claim 1, it is characterised in that：
Wherein, the housing is made of the good material of heat conductivility.
6. radiator structure according to claim 5, it is characterised in that：
Wherein, the housing is made of copper or aluminium.
7. radiator structure according to claim 1, it is characterised in that：
Wherein, left and right two parts corresponding with the antetheca of the housing are connected by post respectively for the left clapboard, the right clapboard
The mode of connecing is connected.
8. a kind of self-cooling LED lamp, it is characterised in that including：
At least one LED lamp bead；
Substrate, lower surface is electrically connected with the LED lamp bead；And
Radiator structure, is connected with the upper surface of the substrate,
Wherein, the radiator structure is the radiator structure described in any one in claim 1~7.
9. self-cooling LED lamp according to claim 8, it is characterised in that：
Wherein, the substrate is integrally formed with the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640909.8A CN105135256B (en) | 2015-09-30 | 2015-09-30 | Self-cooling LED lamp and its radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640909.8A CN105135256B (en) | 2015-09-30 | 2015-09-30 | Self-cooling LED lamp and its radiator structure |
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| Publication Number | Publication Date |
|---|---|
| CN105135256A CN105135256A (en) | 2015-12-09 |
| CN105135256B true CN105135256B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510640909.8A Expired - Fee Related CN105135256B (en) | 2015-09-30 | 2015-09-30 | Self-cooling LED lamp and its radiator structure |
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| CN114114322A (en) * | 2021-10-19 | 2022-03-01 | 北京遥测技术研究所 | Atmospheric sounding laser radar system suitable for space application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900060A (en) * | 2014-04-28 | 2014-07-02 | 江苏达伦电子股份有限公司 | LED heat dissipation structure |
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| US7384165B2 (en) * | 2005-07-05 | 2008-06-10 | Kevin Doyle | Water feature with an LED system |
| JP5677795B2 (en) * | 2010-09-27 | 2015-02-25 | パナソニック デバイスＳｕｎｘ株式会社 | LED unit |
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| CN103900060A (en) * | 2014-04-28 | 2014-07-02 | 江苏达伦电子股份有限公司 | LED heat dissipation structure |
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Granted publication date: 20170801 Termination date: 20200930 |