CN207831307U - A kind of LED liquid-cooling heat radiations circulatory system - Google Patents
A kind of LED liquid-cooling heat radiations circulatory system Download PDFInfo
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- CN207831307U CN207831307U CN201820111247.4U CN201820111247U CN207831307U CN 207831307 U CN207831307 U CN 207831307U CN 201820111247 U CN201820111247 U CN 201820111247U CN 207831307 U CN207831307 U CN 207831307U
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- cooling
- liquid
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- fin
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Abstract
The utility model belongs to LED technical field of heat dissipation more particularly to a kind of LED liquid-cooling heat radiations circulatory system.In the utility model LED liquid-cooling heat radiation circulatory systems, the free convection of the first cooling fin and the second cooling fin can radiate；The air inlet of cold liquid buffer is connect with barograph, barograph gives air pressure and enters cold liquid buffer by air inlet, the cold liquid in the LED liquid-cooling heat radiation circulatory systems is set to obtain power, cold liquid in cold liquid buffer is flowed out from cold liquid outlet, by recycling cooling liquid tube flowing, draw the first cooling fin, the heat of second cooling fin and mounting plate, cold liquid enters cooling chamber through supercooled liquid refluxing opening, the hot gas discharge system that cycle cooling liquid tube is brought in the gas outlet of cooling chamber, and it ensure that the air pressure balance of the circulatory system, the utility model LED liquid-cooling heat radiations circulatory system has carried out free convection and the combination of liquid cooling structure, good heat dissipation effect, it is simple in structure, stability is strong.
Description
Technical field
The utility model belongs to LED technical field of heat dissipation more particularly to a kind of LED liquid-cooling heat radiations circulatory system.
Background technology
Light-emitting diode LED has attracted research and development all over the world because of its performance outstanding, develops into the third of lighting area
Secondary revolution.With the continuous development of society, demand of the people to high-power light-emitting device increases, and powerful realization is with superpower
Heat dissipation performance premised on.So be always the big bottleneck for restricting its high speed development for the radiating management of LED light source,
Exploring the best radiator of LED light source becomes the emphasis of research and development.
The heat dissipation of traditional LED lamp includes mainly forced convertion (air-cooled) and liquid cooling structure, and wind-cooling heat dissipating and liquid cooling dissipate
Thermal effect difference is very big, and liquid-cooling heat radiation effect is more preferable than wind-cooling heat dissipating effect.For power light-emitting device, heat dissipation is more aobvious
Must be particularly important, the rate of great power LED heat production, prolonged accumulation of heat has been not achieved in the rate of the heat dissipation of air-cooled structure
It can cause the aged deterioration of LED component.So liquid-cooling heat radiation structure is just particularly important, but liquid-cooling heat radiation structure is in skill
There is also many problems in art, for example, it is of high cost, energy consumption is high.
Utility model content
The utility model provides a kind of LED liquid-cooling heat radiations circulatory system, for solving existing LED light heat dissipation device wind
The problem that the rate of great power LED heat production, liquid-cooling heat radiation infrastructure cost is high, energy consumption is high is not achieved in the rate of the heat dissipation of air-cooled structure.
The specific technical solution of the utility model is as follows：
A kind of LED liquid-cooling heat radiations circulatory system, including：Mounting plate, the first cooling fin, the second cooling fin, cycle cooling liquid tube,
Cold liquid buffer, cooling chamber and barograph；
First cooling fin and second cooling fin are installed on the mounting plate；
The cold liquid buffer is connected to the cooling chamber by unidirectional feed liquor port, and cold liquid is from the cooling chamber one-way flow
Pass to the cold liquid buffer；
The cold liquid buffer is equipped with cold liquid outlet and air inlet, and the cooling chamber is equipped with cold liquid refluxing opening and gas outlet；
The first end of the cycle cooling liquid tube is communicated with the cold liquid buffer by the cold liquid outlet, and the cycle is cold
The second end of liquid pipe is communicated with the cooling chamber by the cold liquid refluxing opening；
The air inlet is connect with the barograph；
Cycle cooling liquid tube fitting be wound in first cooling fin and second cooling fin and with the mounting plate
Fitting.
Preferably, the cooling chamber includes the first cooling chamber and the second cooling chamber；
First cooling chamber and second cooling chamber are separated by partition, and first cooling chamber is set to described
The top of two cooling chambers；
Pressure liquid valve is provided on the partition board；
The gas outlet is set to first cooling chamber, the second end of first cooling chamber and the cycle cooling liquid tube
It is communicated by the cold liquid refluxing opening, second cooling chamber and the cold liquid buffer are connected by the unidirectional feed liquor port
It is logical.
Preferably, the cycle cooling liquid tube is hollow cuboid pipe；
The cycle cooling liquid tube fitting, which is wound at the right angle corner of first cooling fin and second cooling fin, is
It is circular.
Preferably, the one side for not installing first cooling fin and second cooling fin of the mounting plate with light
The heat-radiating substrate in source connects.
Preferably, first cooling fin and second cooling fin are radiating fin.
Preferably, first cooling fin and second cooling fin are equidistantly alternately installed on the mounting plate.
Preferably, the material of the mounting plate, first cooling fin, second cooling fin and the cycle cooling liquid tube
For copper.
Preferably, first cooling fin is identical with the thickness of second cooling fin.
Preferably, the quantity of first cooling fin and second cooling fin is two panels or two panels or more.
Preferably, the cold liquid is one or more in water, silicone oil and anti-icing fluid.
In conclusion the utility model provides a kind of LED liquid-cooling heat radiations circulatory system, including：Mounting plate, the first heat dissipation
Piece, the second cooling fin, cycle cooling liquid tube, cold liquid buffer, cooling chamber and barograph；First cooling fin and described second dissipates
Backing is installed on the mounting plate；The cold liquid buffer is connected to the cooling chamber by unidirectional feed liquor port, and cold liquid is certainly
The cooling chamber one-way flow is to the cold liquid buffer；The cold liquid buffer is equipped with cold liquid outlet and air inlet, described cold
But room is equipped with cold liquid refluxing opening and gas outlet；The first end of the cycle cooling liquid tube passes through the cold liquid with the cold liquid buffer
Outlet communicates, and the second end of the cycle cooling liquid tube is communicated with the cooling chamber by the cold liquid refluxing opening；The air inlet
It is connect with the barograph；Cycle cooling liquid tube fitting be wound in first cooling fin and second cooling fin and with institute
State mounting plate fitting.In the utility model LED liquid-cooling heat radiation circulatory systems, the free convection of the first cooling fin and the second cooling fin
It can radiate；The air inlet of cold liquid buffer is connect with barograph, and barograph gives air pressure and cached into cold liquid by air inlet
Device makes the cold liquid in the LED liquid-cooling heat radiation circulatory systems obtain power, and the cold liquid in cold liquid buffer is flowed out from cold liquid outlet, is led to
Cross cycle cooling liquid tube flowing, draw the first cooling fin, the second cooling fin and mounting plate heat, cold liquid through supercooled liquid refluxing opening into
Enter cooling chamber, the hot gas discharge system that the gas outlet of cooling chamber will recycle cooling liquid tube and bring, and ensure that the air pressure of the circulatory system
Balance, the utility model LED liquid-cooling heat radiations circulatory system have carried out free convection and the combination of liquid cooling structure, good heat dissipation effect,
It is simple in structure, stability is strong.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is a kind of structural schematic diagram of LED liquid-cooling heat radiations circulatory system in the utility model embodiment；
It illustrates：1. mounting plate；2. the first cooling fin；3. recycling cooling liquid tube；4. cold liquid buffer；5. air inlet；6.
Barograph；7. unidirectional feed liquor port；8. the second cooling chamber；9. pressure liquid valve；10. partition board；11. the first cooling chamber；12. outlet
Mouthful；13. cold liquid outlet；14. cold liquid refluxing opening；15. the second cooling fin.
Specific implementation mode
The utility model provides a kind of LED liquid-cooling heat radiations circulatory system, for solving existing LED light heat dissipation device wind
The problem that the rate of great power LED heat production, liquid-cooling heat radiation infrastructure cost is high, energy consumption is high is not achieved in the rate of the heat dissipation of air-cooled structure.
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, for a kind of structural schematic diagram of LED liquid-cooling heat radiations circulatory system in the utility model embodiment.
A kind of LED liquid-cooling heat radiations circulatory system, including：Mounting plate 1, the second cooling fin 15, recycles cooling liquid tube 3, is cold first cooling fin 2
Liquid buffer 4, cooling chamber and barograph 6；
First cooling fin 2 and the second cooling fin 15 are installed on mounting plate 1；
Cold liquid buffer 4 is connected to cooling chamber by unidirectional feed liquor port 7, and cold liquid delays from cooling chamber one-way flow to cold liquid
Storage 4；
Cold liquid buffer 4 is equipped with cold liquid outlet 13 and air inlet 5, and cooling chamber is equipped with cold liquid refluxing opening 14 and gas outlet 12；
The first end of cycle cooling liquid tube 3 is communicated with cold liquid buffer 4 by cold liquid outlet 13, and the second of cycle cooling liquid tube 3
End leads to supercooled liquid refluxing opening 14 with cooling chamber and communicates；
Air inlet 5 is connect with barograph 6；
The cycle fitting of cooling liquid tube 3 is wound in the first cooling fin 2 and the second cooling fin 15 and is bonded with mounting plate 1.
In the utility model embodiment, air inlet 5 is unidirectional air pressure air inlet, and gas outlet 12 is unidirectional heat outlet.It is single
It is connect to air pressure air inlet with barograph 6, power is provided to entire cold fluid circulation.
The radiator of common LED light emitting device, is mostly free convection, forced convertion and liquid cooling, most with liquid cooling effect
It is good.But irrefragable to be, for liquid cooling structure if the circulatory system is done well, the heat dissipation effect of short time can be fine, but long
Time cannot ensure the stability of heat dissipation.In the utility model embodiment LED liquid-cooling heat radiation circulatory systems, the first cooling fin 2
Free convection with the second cooling fin 15 can radiate；The air inlet 5 of cold liquid buffer 4 is connect with barograph 6, and barograph 6 is given
Determine air pressure and cold liquid buffer 4 is entered by air inlet 5, the cold liquid in the LED liquid-cooling heat radiation circulatory systems is made to obtain power, cold liquid is slow
Cold liquid in storage 4 is flowed out from cold liquid outlet 13, is flowed by recycling cooling liquid tube 3, is drawn the first cooling fin 2, the second cooling fin
15 and mounting plate 1 heat, cold liquid through supercooled liquid refluxing opening 14 enter cooling chamber, the gas outlet 12 of cooling chamber will recycle cooling liquid tube
The 3 hot gas discharge systems brought, and ensure that the air pressure balance of the circulatory system, the utility model LED liquid-cooling heat radiation circulatory systems
Free convection and the combination of liquid cooling structure have been carried out, i.e., has been designed the mode that free convection and liquid-cooling circulating system combine scattered
Heat structure, the mode good heat dissipation effect of such Combination Design is simple in structure, stability is strong, can greatly play liquid cooling and dissipate
The effect of heat, it is more preferable than individual free convection or liquid cooling effect.
In the utility model embodiment, cooling chamber includes the first cooling chamber 11 and the second cooling chamber 8；
First cooling chamber 11 and the second cooling chamber 8 are separated by partition board 10, and the first cooling chamber 11 is set to the second cooling chamber 8
Top；
Pressure liquid valve 9 is provided on partition board 10；
Gas outlet 12 is set to the first cooling chamber 11, and the first cooling chamber 11 and the second end of cycle cooling liquid tube 3 lead to supercooled liquid
Refluxing opening 14 communicates, and the second cooling chamber 8 is connected to cold liquid buffer 4 by unidirectional feed liquor port 7.
In the utility model embodiment, the first cooling chamber 11 is primary cooling room, and the second cooling chamber 8 is secondary cooling room,
The material of first cooling chamber 11 and the second cooling chamber 8 is metallic copper, convenient for heat dissipation.
In the utility model embodiment, cooling device cooling chamber is broadly divided into two parts, the primary cooling room of upper end and
The secondary cooling room of lower end connects cold liquid refluxing opening 14 on primary cooling room, while being provided with unidirectional gas outlet, will one week heat of cycle
Except gas discharge system；Lower end secondary cooling room is separated with upper end primary cooling room by partition board 10, dress among partition board 10
There is pressure liquid valve 9, when more than certain pressure, pressure liquid valve 9 automatically opens.Secondary cooling room and cold liquid buffer 4
It is connected by unidirectional inlet.
The utility model embodiment LED liquid-cooling heat radiation circulatory systems optimize liquid-cooling circulating system, can ensure cold
The endothermic effect of liquid after ensure that one week cold liquid energy of cycle accesses sufficient cooling, then is recycled, the circulatory system energy
It is enough greatly to ensure heat dissipation performance.
The heat-sinking capability of the utility model embodiment LED liquid-cooling heat radiation circulatory systems is essentially from two aspects, on the one hand
It is the Natural Heat Convection of the first cooling fin 2 and the second cooling fin 15, is on the other hand that the cyclic absorption of cold liquid is dissipated from first
The heat of backing 2 and the second cooling fin 15.And cold liquid passes through the hot gas discharge of gas outlet 12 and first by cold fluid circulation
Cooling chamber 11, the cooling of the second cooling chamber 8 twice repeatedly, ensure that the temperature of cold liquid will not be too high, to ensure heat-sinking capability.
Cold liquid is cooled down by the way of secondary cooling, ensures the temperature of cold liquid after cycle as far as possible, ensures length
The cooling effect of time.Meanwhile gas outlet 12 had both ensured that the dynamic equilibrium of system also increased heat extraction effect, was great power LED
The radiator of luminescent device provides stronger heat dissipation effect.
In the utility model embodiment, cycle cooling liquid tube 3 is hollow cuboid pipe；
Cycle cooling liquid tube 3 is bonded at the right angle corner for being wound in the first cooling fin 2 and the second cooling fin 15 as annular shape.
Cycle cooling liquid tube 3, which is hollow cuboid pipe, can ensure to recycle cooling liquid tube 3 and the first cooling fin 2, the second cooling fin
15 and mounting plate 1 it is seamless applying, traditional cylinder cooling liquid tube is changed into cuboid pipe, with the first cooling fin 2, second dissipate
The stickiness of backing 15 and mounting plate 1 is more preferable, reduces thermal resistance, ensures the continuity of heat conduction to greatest extent；Recycle cold liquid
Pipe 3 is bonded at the right angle corner for being wound in the first cooling fin 2 and the second cooling fin 15 as circular circulating convenient for cold liquid.
In the utility model embodiment, the one side and band for not installing the first cooling fin 2 and the second cooling fin 15 of mounting plate 1
There is the heat-radiating substrate of light source to connect.
First cooling fin 2 and the second cooling fin 15 are installed on mounting plate 1, the another side of mounting plate 1 with light source
Heat-radiating substrate closely links together, and forms the structure of preliminary free convection, belongs to first layer radiating mode.
Cycle cooling liquid tube 3 is wrapped on the first cooling fin 2 and the second cooling fin 15, ensures the first cooling fin 2 and second
It is closely pasted with the lower surface of 2 or second cooling fin 15 of adjacent first cooling fin and upper surface respectively the top and bottom of cooling fin 15
It closes, while recycling cooling liquid tube 3 and also being fitted closely with mounting plate 1, can absorb the heat of mounting plate 1 to ensure to recycle cooling liquid tube 3
Amount can absorb the heat of the first cooling fin 2 and the second cooling fin 15 again, belong to second layer radiating mode.
In the utility model embodiment, the first cooling fin 2 and the second cooling fin 15 are radiating fin.
In the utility model embodiment, the first cooling fin 2 and the second cooling fin 15 are equidistantly alternately installed on mounting plate 1.
The lateral distance of mounting plate 1 is greater than the lateral length of the first cooling fin 2 and the second cooling fin 15,1 liang of mounting plate
The distance that edge has more is more than the distance that the first cooling fin 2 and the second cooling fin 15 are spaced, and reserves cycle cooling liquid tube 3 in mounting plate
1 installation site.The reserved position of 1 left end of mounting plate carries out the installation of cycle cooling liquid tube 3, is installed on following for 1 left end of mounting plate
Ring cooling liquid tube 3 is equally close to mounting plate 1.
In the utility model embodiment, mounting plate 1, the first cooling fin 2, the second cooling fin 15 and the material for recycling cooling liquid tube 3
Material is copper.
The thermal diffusivity of metallic copper is good, and mounting plate 1, the first cooling fin 2, the second cooling fin 15 and cycle cooling liquid tube 3 keep material
The consistency of material can reduce interface resistance.
In the utility model embodiment, the first cooling fin 2 is identical with the thickness of the second cooling fin 15.
In the utility model embodiment, the quantity of the first cooling fin 2 and the second cooling fin 15 is two panels or two panels or more.
In the utility model embodiment, cold liquid is one or more in water, silicone oil and anti-icing fluid.
The utility model embodiment LED liquid-cooling heat radiations circulatory system passes through the design of radiator structure and radiating mode, design
The circulatory system, improves heat dissipation performance, simple in structure, stability is good while greatly increasing heat-sinking capability, can ensure
High-power LED luminescent device effectively works for a long time, that is, ensures high-power LED luminescent device steady operation, realizes LED light emitter
The high-power and long-life of part solves the problems, such as that high-power LED luminescent device heat dissipation performance is low.
It is a kind of one embodiment progress of the LED liquid-cooling heat radiations circulatory system provided the utility model embodiment above
Detailed description, below by an a kind of application examples of the LED liquid-cooling heat radiations circulatory system provided the utility model embodiment
It is described in detail.
Barograph 6 gives air pressure and enters cold liquid buffer 4 by air inlet 5 so that the circulatory system obtains power.Cold liquid is slow
Cold liquid in storage 4 is flowed out from cold liquid outlet 13, is flowed by recycling cooling liquid tube 3, is drawn and dissipated from the first cooling fin 2, second
The heat of backing 15 and mounting plate 1.Then, cold liquid enters the first cooling chamber 11, the first cooling chamber 11 through supercooled liquid refluxing opening 14
Gas outlet 12 will recycle the hot gas discharge system brought of cooling liquid tube 3, also ensure the air pressure balance of whole system；Cold liquid passes through
The preliminary cooling of first cooling chamber 11, until phegma reaches certain quantity, by pressure liquid valve 9 by the first cooling chamber
11 cold liquid stream enters the second cooling chamber 8, carries out secondary cooling.First cooling chamber 11 and the second cooling chamber 8 are isolated by partition board 10.
Second cooling chamber 8 is connected with cold liquid buffer 4, and the cold liquid of secondary cooling is flowed into cold liquid buffer by unidirectional feed liquor port 7
4, the position of unidirectional feed liquor port 7 is slightly below partition board 10.
To ensure the stable operation of whole system, need suitable cold liquid that prestores, cold liquid that water, silicone oil, anti-icing fluid may be selected
Deng.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of LED liquid-cooling heat radiations circulatory system, which is characterized in that including：Mounting plate, the second cooling fin, follows at the first cooling fin
Ring cooling liquid tube, cold liquid buffer, cooling chamber and barograph；
First cooling fin and second cooling fin are installed on the mounting plate；
The cold liquid buffer is connected to the cooling chamber by unidirectional feed liquor port, cold liquid from the cooling chamber one-way flow extremely
The cold liquid buffer；
The cold liquid buffer is equipped with cold liquid outlet and air inlet, and the cooling chamber is equipped with cold liquid refluxing opening and gas outlet；
The first end of the cycle cooling liquid tube is communicated with the cold liquid buffer by the cold liquid outlet, the cycle cooling liquid tube
Second end communicated by the cold liquid refluxing opening with the cooling chamber；
The air inlet is connect with the barograph；
The cycle cooling liquid tube fitting is wound in first cooling fin and second cooling fin and is bonded with the mounting plate.
2. the LED liquid-cooling heat radiations circulatory system according to claim 1, which is characterized in that the cooling chamber includes first cold
But room and the second cooling chamber；
First cooling chamber and second cooling chamber are separated by partition, and it is cold that first cooling chamber is set to described second
But the top of room；
Pressure liquid valve is provided on the partition board；
The gas outlet is set to first cooling chamber, and first cooling chamber and the second end of the cycle cooling liquid tube pass through
The cold liquid refluxing opening communicates, and second cooling chamber is connected to the cold liquid buffer by the unidirectional feed liquor port.
3. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that the cycle cooling liquid tube is hollow
Cuboid pipe；
It is annulus that the cycle cooling liquid tube fitting, which is wound at the right angle corner of first cooling fin and second cooling fin,
Shape.
4. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that the mounting plate does not install institute
The one side for stating the first cooling fin and second cooling fin is connect with the heat-radiating substrate with light source.
5. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that first cooling fin and described
Second cooling fin is radiating fin.
6. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that first cooling fin and described
Second cooling fin is equidistantly alternately installed on the mounting plate.
7. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that the mounting plate, described first dissipate
The material of backing, second cooling fin and the cycle cooling liquid tube is copper.
8. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that first cooling fin and described
The thickness of second cooling fin is identical.
9. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that first cooling fin and described
The quantity of second cooling fin is two panels or two panels or more.
10. the LED liquid-cooling heat radiations circulatory system according to claim 2, which is characterized in that the cold liquid be water, silicone oil and
It is one or more in anti-icing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111247.4U CN207831307U (en) | 2018-01-23 | 2018-01-23 | A kind of LED liquid-cooling heat radiations circulatory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820111247.4U CN207831307U (en) | 2018-01-23 | 2018-01-23 | A kind of LED liquid-cooling heat radiations circulatory system |
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| Publication Number | Publication Date |
|---|---|
| CN207831307U true CN207831307U (en) | 2018-09-07 |
Family
ID=63394320
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820111247.4U Expired - Fee Related CN207831307U (en) | 2018-01-23 | 2018-01-23 | A kind of LED liquid-cooling heat radiations circulatory system |
Country Status (1)
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| CN (1) | CN207831307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019726A (en) * | 2018-01-23 | 2018-05-11 | 广东工业大学 | A kind of LED liquid-cooling heat radiations circulatory system |
| CN114287871A (en) * | 2022-03-09 | 2022-04-08 | 杭州康基医疗器械有限公司 | Medical endoscope fluorescence cold light source camera system with high-efficient heat radiation structure |
-
2018
- 2018-01-23 CN CN201820111247.4U patent/CN207831307U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019726A (en) * | 2018-01-23 | 2018-05-11 | 广东工业大学 | A kind of LED liquid-cooling heat radiations circulatory system |
| CN114287871A (en) * | 2022-03-09 | 2022-04-08 | 杭州康基医疗器械有限公司 | Medical endoscope fluorescence cold light source camera system with high-efficient heat radiation structure |
| CN114287871B (en) * | 2022-03-09 | 2022-07-29 | 杭州康基医疗器械有限公司 | Medical endoscope fluorescence cold light source camera system with high-efficient heat radiation structure |
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Granted publication date: 20180907 Termination date: 20200123 |