CN106151982A - A kind of great power LED liquid cooling heat radiation system - Google Patents
A kind of great power LED liquid cooling heat radiation system Download PDFInfo
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- CN106151982A CN106151982A CN201610662651.6A CN201610662651A CN106151982A CN 106151982 A CN106151982 A CN 106151982A CN 201610662651 A CN201610662651 A CN 201610662651A CN 106151982 A CN106151982 A CN 106151982A
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- heat sink
- module
- liquid cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention discloses a kind of great power LED liquid cooling heat radiation system, be disposed with the heat sink module of LED light source module including water pump, radiator and outer surface；The relative both sides of heat sink module are provided with two import and export, and wherein two import and export of side are that the first import and export and second are imported and exported, and two import and export of opposite side are the 3rd to import and export and the 4th import and export；Water delivery side of pump is connected with the first import and export and the 4th import and export of heat sink module by pipeline respectively, the import being connected radiator respectively by pipeline is imported and exported in second import and export of described heat sink module and the 3rd, and the outlet of radiator connects the import of water pump by pipeline.The invention enables the internal realization of heat sink module to the coolant flow paths gone with each other all the time, fluid and thermograde is made to have good collaborative e-commerce, add the disturbance in fluid, improve the uniformity of heat sink exchange capability of heat and Temperature Distribution, be conducive to the Homogeneouslly-radiating of LED module, prevent LED module hot-spot.
Description
Technical field
The present invention relates to a kind of LED liquid cooling heat radiation system, particularly to a kind of great power LED liquid cooling heat radiation system, as suitable
Great power LED liquid cooling heat radiation system for plant illumination.
Background technology
Traditional plant light compensation, frequently with high-pressure mercury lamp or fluorescent lamp etc., exists that energy consumption is high, spectrum differs with plant demand
Big defect, it is difficult to ensure that the demand efficiently produced of protected crop.And these light sources operationally produce substantial amounts of heat, if
Distance plant crosses and it closely can be made " to scald ".Being referred to as the LED of forth generation light source is a kind of solid state light emitter, has that volume is little, weight
Gently, the advantage such as energy-conserving and environment-protective, long-life, spectrum widening be little, compared with conventional light source, there is incomparable advantage, be to substitute tradition light
Source carries out the perfect light source of efficient light filling.What is more important, LED light source is cold light source, and the heat gone out with light radiation during work is relatively
Few, plant leaf blade surface can be pressed close to and irradiate, decrease irradiation distance, improve light efficiency.
But LED is as a kind of electro-optical conversioning device, and its conversion efficiency only has about 30%.Remaining energy is all with heat energy
Mode discharge.When the junction temperature of LED chip is too high, it may appear that the problem such as wave length shift, the lost of life, it is therefore necessary to right
LED light source is equipped with cooling measure.
In thermal conduction study, the transmission form of heat has three kinds, is respectively conduction, convection current and radiation.Main flow in the market
Radiating mode is Natural Heat Convection, by being equipped with the radiator with fin to great power LED, increases heat exchange area, then leads to
Cross the enhancing coefficient of heat transfer of the optimization to fin to dispel the heat.This technology belongs to passive heat dissipation technology.Owing to plant factor is one
Individual airtight isoperibol, if LED plant lamp uses passive heat dissipation technology, substantial amounts of LED will cause indoor temperature to promote.
Therefore using active heat removal technology, the most of heat that LED can be produced transfers to outdoor, is conducive to the control to room temperature, and
And strengthen radiating efficiency.Liquid-cooling heat radiation technology, as the radiating mode of a kind of active, has obtained wide in existing heat dissipation technology
General application, can look for the radiator of fluid heat to be placed in outdoor by being used for band in liquid cooling heat radiation system, thus by LED generation
Heat transfers to outdoor, and wherein in liquid-cooling heat radiation technology, water, as the heat exchange material of a kind of high performance-price ratio, is gradually widely used
Dispel the heat with LED.
Liquid-cooling heat radiation belongs to the combining form of heat transfer and thermal convection current, and fluid contacts with the heat sink of LED radiator, heat with
The mode of conduction carries out surrounding and watching the transmission of motion between heat sink and fluid, and then fluid causes phase para-position by macroscopic motion
Move, cold and hot mixing and carry out heat transmission.Because there is thermal boundary layer between solid and liquid, therefore reduce thermal boundary thickness
Degree is an up the key factor of heat exchange property.Existing liquid-cooling heat radiation technology, coolant is circulating of singly entering singly to go out mostly
Path, heat sink outlet temperature is far above import, causes heat sink temperature skewness；And the vertical parallel wing of heat sink internal employing
Sheet, although liquid flowing resistance is relatively low, but the most heat sink exchange capability of heat is too low, is unfavorable for the quick heat radiating of LED.
Summary of the invention
It is an object of the invention to the shortcoming overcoming prior art with not enough, it is provided that a kind of exchange capability of heat is high, Temperature Distribution
Uniform great power LED liquid cooling heat radiation system.
The purpose of the present invention is achieved through the following technical solutions: a kind of great power LED liquid cooling heat radiation system, its feature exists
In, the heat sink module of LED light source module it is disposed with including water pump, radiator and outer surface；The relative both sides of heat sink module are equal
Being provided with two import and export, wherein two import and export of side are that the first import and export and second are imported and exported, and two of opposite side are entered
Outlet is the 3rd import and export and the 4th import and export；
Water delivery side of pump is connected with the first import and export and the 4th import and export of heat sink module by pipeline respectively, described heat sink
The import being connected radiator respectively by pipeline is imported and exported in second import and export of module and the 3rd, and pipeline is passed through in the outlet of radiator
Connect the import of water pump.
Preferably, described first import and export are relative with the position that the 3rd imports and exports, and second imports and exports and the 4th import and export
Position is relative.
Preferably, described heat sink module includes multiple heat sink, and each heat sink opposite sides is provided with two import and export, respectively
Heat sink being sequentially connected in series by two import and export thereon, pipeline relatively and is passed through in the position of connected import and export that two of which is heat sink
It is connected；First heat sink side of series connection is not entered respectively as the first of heat sink module with other heat sink two import and export being connected
Outlet and second is imported and exported, and last of series connection is heat sink, and side is not imported and exported respectively as heat with other heat sink two be connected
3rd import and export of heavy module and the 4th are imported and exported.
Preferably, described heat sink module include one heat sink, opposite sides that this is heat sink is provided with two import and export, this heat
Two import and export of heavy side are imported and exported respectively as first import and export and second of heat sink module, two import and export of opposite side
The 3rd import and export and the 4th respectively as heat sink module are imported and exported.
Further, described heat sink substrate and the cover plate of including, described substrate is the rectangular structure of inner recess, cover plate
It is arranged on the upper surface of substrate.
Further, the rhombus fin according to rectangular arranged, LED light source module it are disposed with inside described rectangular structure
It is arranged in outside the lower surface of rectangular structure.
Further, the heat sink sides, minor face place that both sides are rectangular structure lower surface being provided with two import and export
Face, wherein according to the rhombus fin 5 of distributed rectangular for being in tilted layout, the long limit of its long axis direction and rectangular structure lower surface in
20～60 ° of angles.
Further, it is provided with waterproof apron between described cover plate and substrate；Described cover plate and substrate are high heat conduction
Metal material.
Preferably, also include controller and the temperature sensor being connected with controller in the duct, described control are set
PWM (Pulse Width Modulation, the pulse width modulation) signal output part of device connects water pump and radiator respectively, logical
Cross controller and control water pump and the operating power of radiator.
Preferably, the pipeline between water delivery side of pump and the first import and export of heat sink module and the 4th import and export, company are connected
Connect the second import and export of heat sink inlet and heat sink module with the 3rd import and export between pipeline and be connected radiator outlet and
The direct pipe interior of unit fixed on water pump suction is provided with the micro-raceway groove of spiral type.
The present invention has such advantages as relative to prior art and effect:
(1) two import and export that in liquid cooling heat radiation system of the present invention, exit of pump connects are respectively from the two of heat sink module
Side, two import and export that heat sink inlet connects are respectively from the both sides of heat sink module, and during pump working, fluid is at heat sink mould
It is divided into inside block and flows to different two part so that achieve inside heat sink module to the coolant flow road gone with each other all the time
Footpath, interface forms turbulent flow and strengthens overall heat exchange ability so that fluid and thermograde have good collaborative e-commerce, add stream
Disturbance in body, overcomes and conventional singly enters heat sink outlet water temperature that the flow path singly gone out causes far above inlet water temperature, from
And make the higher problem of the downstream LED junction temperature of liquid flow direction, improve the equal of heat sink exchange capability of heat and Temperature Distribution
Even property, the beneficially Homogeneouslly-radiating of LED module, prevent LED module hot-spot.
(2) heat sink in liquid cooling heat radiation system of the present invention being internally provided with the rhombus fin according to rectangular arranged, fluid enters
Behind heat sink inside, the flowing of rhombus fin convection cell creates certain resistance, and the heat sink internal multiple Pedicellus et Pericarpium Trapaes arranged of the present invention
Shape fin compared to existing technology in the fin of vertical parallel setting, the resistance that fluid flow produces is bigger, carries the most further
High heat sink exchange capability of heat；Additionally in the present invention, heat sink inside multiple rhombus fin makes heat sink to be internally formed fluid main channel
With fluid secondary channels, the main flow in time stream produced in secondary channels and main channel interacts and makes speed redistribute, is thinned
Thermal boundary layer, increases the coefficient of heat transfer, thus increases heat transfer effect, take away more heat.
(3) liquid cooling heat radiation system of the present invention arranges temperature sensor in the duct, gather pipeline by temperature sensor
The temperature of fluid, and temperature information is fed back to controller, the temperature information that controller gathers according to temperature sensor adjusts
The output frequency of pwm signal and dutycycle, to regulate the operating power of water pump and radiator, in the premise ensureing radiating effect
Under, optimize the power consumption of system.
(4) each pipe interior in liquid cooling heat radiation system of the present invention is provided with the micro-raceway groove of spiral type, makes the flowing of coolant
Direction slightly changes, and destroys the thermal boundary layer of pipeline and makes it redistribute so that the heat of main flow center coolant is more preferable
Be delivered to wall, and distribute from pipeline outer wall, make full use of the heat-sinking capability of pipeline.
Accompanying drawing explanation
Fig. 1 is the top view of liquid cooling heat radiation system of the present invention.
Fig. 2 is explosive view heat sink in liquid cooling heat radiation system of the present invention.
Fig. 3 is attached view heat sink in this invention liquid cooling heat radiation system.
Fig. 4 is the perspective view of inventive pipeline fragment.
Fig. 5 is the fin that in prior art, heat sink internal vertical be arranged in parallel.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
Embodiment
Present embodiment discloses a kind of great power LED liquid cooling heat radiation system, as it is shown in figure 1, include water pump 9, radiator 10
And outer surface is disposed with the heat sink module 1 of LED light source module；The relative both sides of heat sink module 1 are provided with two import and export,
Wherein two import and export of side be the first import and export and second import and export, two import and export of opposite side be the 3rd import and export and
4th imports and exports；The outlet of water pump 9 is connected with the first import and export and the 4th import and export of heat sink module by pipeline respectively, described
The import being connected radiator respectively by pipeline is imported and exported in second import and export of heat sink module and the 3rd, and the outlet of radiator 10 is led to
Piping connects the import of water pump.First import and export are relative with the position that the 3rd imports and exports in the present embodiment, and second imports and exports
Relative with the position that the 4th imports and exports.
When water pump 9 works, in the fluid flows in pipes of the outlet of water pump 9, respectively by the first import and export after piping
Enter into inside heat sink module with the 4th, then import and export from the 3rd and flowed into by pipeline after the second import and export outflow
In radiator, the fluid after radiator 10 radiating treatment is flowed into water pump 9 import, it is achieved recycling of fluid.Its
Middle fluid can be water or other liquid.Two import and export that in the present embodiment liquid cooling heat radiation system, exit of pump connects are respectively
Coming from the both sides of heat sink module, two import and export that heat sink inlet connects are respectively from the both sides of heat sink module, fluid
Imported and exported by the import and export that is first of heat sink module both sides respectively and the 4th import and export are flowed into heat sink inside, then by heat
Heavy module both sides import and export the i.e. the 3rd import and export and second are imported and exported and are flowed out respectively so that achieve inside heat sink module to double
Enter pair coolant flow paths gone out so that fluid and thermograde have good collaborative e-commerce, add the disturbance in fluid,
Overcome and conventional singly enter heat sink outlet water temperature that the flow path singly gone out causes far above inlet water temperature, so that liquid stream
Move the problem that the downstream LED junction temperature in direction is higher, improve the uniformity of heat sink exchange capability of heat and Temperature Distribution, be conducive to
The Homogeneouslly-radiating of LED module, prevents LED module hot-spot.
In liquid cooling heat radiation system, heat sink module 1 can include multiple heat sink, and each heat sink opposite sides is provided with two
Import and export, each heat sink be sequentially connected in series by two import and export thereon, first the heat sink side wherein connected with other heat
Heavy two import and export connected are imported and exported respectively as first import and export and second of heat sink module, and it is connected that two of which is heat sink
The position imported and exported relatively and is connected by pipeline；Last heat sink side of series connection is not entered with other heat sink two be connected
Export the 3rd import and export and the 4th respectively as heat sink module to import and export.As shown in fig. 1, heat sink module in the present embodiment
Heat sink including two, two import and export of first heat sink side are imported and exported corresponding logical respectively with the two of second heat sink side
Piping connects, and the import and export position being connected is relative, and first not heat sink with second two be connected in heat sink side enters
Exporting the first import and export and second respectively as heat sink module to import and export, second heat sink side be not heat sink with first to be connected
Two import and export respectively as heat sink module the 3rd import and export and the 4th import and export.Certainly in the present embodiment in heat sink module
Heat sink can also be one, opposite sides that this is heat sink is provided with two import and export, two import and export point of this is heat sink side
Not the first import and export and second as heat sink module are imported and exported, and two import and export of opposite side are respectively as the of heat sink module
Three import and export and the 4th import and export.
As in figure 2 it is shown, heat sink substrate 6 and the cover plate 2 of including in the present embodiment, substrate 6 is the rectangular structure of inner recess,
Cover plate 2 is arranged on the upper surface of substrate.Waterproof apron 3 it is provided with between cover plate 2 and substrate 6；Cover plate 2 and substrate 6 are height and lead
Thermometal material.The rhombus fin 5 according to rectangular arranged, LED light source module 7 cloth it is disposed with inside the present embodiment rectangular structure
Put outside the lower surface of rectangular structure.As shown in Figures 2 and 3, the heat sink both sides being provided with two import and export 4 are cuboid knot
The side, minor face place of structure lower surface, wherein according to the rhombus fin 5 of distributed rectangular for being in tilted layout, its long axis direction is with rectangular
The long limit of body structure lower surface is 20～60 ° of angles, and angle is 30 ° in the present embodiment.Rhombus fin 5 material in the present embodiment
Matter is consistent with the material of substrate 6.Described rhombus fin 5 height is highly consistent with the outer wall of described substrate 6.In the present embodiment, stream
After body enters heat sink inside, the flowing of multiple rhombus fin convection cells creates certain resistance, and the heat sink inside of the present embodiment
The multiple rhombus fins arranged compared to existing technology in the fin of vertical parallel setting as shown in Figure 5, fluid flow produces
Resistance bigger, therefore further increase heat sink exchange capability of heat..In the present embodiment, heat sink inside multiple rhombus fin makes heat
Heavy fluid main channel and the fluid secondary channels of being internally formed, wherein fluid main channel be between rhombus fin formed parallel with
The passage imported and exported, fluid secondary channels is between rhombus fin the long limit angle with rectangular structure lower surface formed and is
The passage of 30 °.Main flow in time stream produced in secondary channels and main channel interacts and makes speed redistribute, and is thinned hot limit
Interlayer, increases the coefficient of heat transfer, thus increases heat transfer effect, take away more heat.
As shown in Figure 4, the present embodiment connects water delivery side of pump import and export with the first of heat sink module and the 4th import and export
Between pipeline 8, connect the second import and export of heat sink inlet and heat sink module with the 3rd import and export between pipeline 8 and even
Connect radiator outlet and unit fixed on water pump suction direct pipeline 8 inside is provided with the micro-raceway groove of spiral type.The spiral arranged in each pipeline
The micro-raceway groove of shape makes the flow direction of fluid slightly change, and destroys in pipeline thermal boundary layer and makes it redistribute so that in main flow
At the heart, the heat of fluid is better transmitted to wall, and distributes from pipeline outer wall, makes full use of the heat-sinking capability of pipeline.
In the present embodiment, liquid cooling heat radiation system also includes controller and arranges the temperature being connected with controller in the duct
Sensor, the pwm signal outfan of controller connects water pump and radiator respectively, controls water pump and radiator by controller
Operating power.Particularly as follows: temperature sensor gathers the temperature of pipeline fluid, and temperature information is fed back to controller, control
Device adjusts output frequency and the dutycycle of pwm signal according to the temperature information that temperature sensor gathers, and is adjusted by output pwm signal
Water saving pump and the operating power of radiator, on the premise of ensureing radiating effect, optimize the power consumption of system.The present embodiment
The temperature sensor of middle employing can be ds18b20；Controller can be single-chip microcomputer, such as stm32 single-chip microcomputer；Radiator can be
Some conventional LED radiator fans.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. a great power LED liquid cooling heat radiation system, it is characterised in that include that water pump, radiator and outer surface are disposed with LED
The heat sink module of light source module；The relative both sides of heat sink module are provided with two import and export, wherein two import and export of side
Being that the first import and export and second are imported and exported, two import and export of opposite side are the 3rd import and export and the 4th import and export；
Water delivery side of pump is connected with the first import and export and the 4th import and export of heat sink module by pipeline respectively, described heat sink module
Second import and export and the 3rd import and export respectively by pipeline connect radiator import, the outlet of radiator is connected by pipeline
The import of water pump.
Great power LED liquid cooling heat radiation system the most according to claim 1, it is characterised in that described first imports and exports and the
Three positions imported and exported are relative, and the second import and export are relative with the position that the 4th imports and exports.
Great power LED liquid cooling heat radiation system the most according to claim 1, it is characterised in that described heat sink module includes many
Individual heat sink, each heat sink opposite sides is provided with two import and export, each heat sink is sequentially connected in series by two import and export thereon,
The position of connected import and export that two of which is heat sink relatively and is connected by pipeline；Series connection first heat sink side not with other
Two import and export of heat sink connection are imported and exported respectively as first import and export and second of heat sink module, last heat of series connection
Heavy side is not imported and exported respectively as the 3rd import and export and the 4th of heat sink module with other heat sink two import and export being connected.
Great power LED liquid cooling heat radiation system the most according to claim 1, it is characterised in that described heat sink module includes one
Individual heat sink, opposite sides that this is heat sink is provided with two import and export, and two import and export of this is heat sink side are respectively as heat sink mould
First import and export of block and second are imported and exported, and two of opposite side import and export are respectively as the 3rd import and export and the of heat sink module
Four import and export.
5. according to the great power LED liquid cooling heat radiation system described in claim 3 or 4, it is characterised in that described heat sink include substrate
And cover plate, described substrate is the rectangular structure of inner recess, and cover plate is arranged on the upper surface of substrate.
Great power LED liquid cooling heat radiation system the most according to claim 5, it is characterised in that inside described rectangular structure
Being disposed with the rhombus fin according to rectangular arranged, LED light source module is arranged in outside the lower surface of rectangular structure.
Great power LED liquid cooling heat radiation system the most according to claim 6, it is characterised in that heat sink be provided with two turnover
Mouthful the side, minor face place that both sides are rectangular structure lower surface, wherein according to the rhombus fin 5 of distributed rectangular for tilting cloth
Putting, its long axis direction is 20～60 ° of angles with the long limit of rectangular structure lower surface.
Great power LED liquid cooling heat radiation system the most according to claim 5, it is characterised in that between described cover plate and substrate
It is provided with waterproof apron；Described cover plate and substrate are high-thermal conductive metal material.
Great power LED liquid cooling heat radiation system the most according to claim 1, it is characterised in that also include controller and set
Putting the temperature sensor being connected in the duct with controller, the pwm signal outfan of described controller connects water pump respectively and dissipates
Hot device, controls water pump and the operating power of radiator by controller.
Great power LED liquid cooling heat radiation system the most according to claim 1, it is characterised in that connect water delivery side of pump and heat
Second import and export of pipeline, connection heat sink inlet and heat sink module between the first import and export and the 4th import and export of heavy module
And the 3rd import and export between pipeline and connect radiator outlet and the direct pipe interior of unit fixed on water pump suction and be provided with spiral
The micro-raceway groove of shape.
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| CN201610662651.6A CN106151982A (en) | 2016-08-12 | 2016-08-12 | A kind of great power LED liquid cooling heat radiation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883210A (en) * | 2017-12-18 | 2018-04-06 | 中国人民大学 | A kind of cold heat transfer of liquid and wind-cooling heat dissipating high-power LED lamp |
| WO2019040944A3 (en) * | 2017-08-25 | 2019-03-28 | Agnetix, Inc. | Fluid-cooled led-based lighting methods and apparatus for controlled environment agriculture |
| US10959383B2 (en) | 2018-05-04 | 2021-03-30 | Agnetix, Inc. | Methods, apparatus, and systems for lighting and distributed sensing in controlled agricultural environments |
| US10999976B2 (en) | 2017-09-19 | 2021-05-11 | Agnetix, Inc. | Fluid-cooled lighting systems and kits for controlled agricultural environments, and methods for installing same |
| US11013078B2 (en) | 2017-09-19 | 2021-05-18 | Agnetix, Inc. | Integrated sensor assembly for LED-based controlled environment agriculture (CEA) lighting, and methods and apparatus employing same |
| US11076536B2 (en) | 2018-11-13 | 2021-08-03 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled environment agriculture with integrated cameras and/or sensors and wireless communications |
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Application publication date: 20161123 |