CN106197104B - Hot superconductive temperature equalizing radiator of 3 D stereo and preparation method thereof - Google Patents
Hot superconductive temperature equalizing radiator of 3 D stereo and preparation method thereof Download PDFInfo
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- CN106197104B CN106197104B CN201610532707.6A CN201610532707A CN106197104B CN 106197104 B CN106197104 B CN 106197104B CN 201610532707 A CN201610532707 A CN 201610532707A CN 106197104 B CN106197104 B CN 106197104B
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- evaporation cavity
- condensation chamber
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- copper
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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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Abstract
The present invention relates to technical field of heat dissipation, more particularly, to hot superconductive temperature equalizing radiator of a kind of 3 D stereo and preparation method thereof.The hot superconductive temperature equalizing radiator of the 3 D stereo includes: the evaporation cavity and hollow plate shaped condensation chamber of hollow long slab shape；Evaporation cavity is connected to condensation chamber fixation, and composition cross section is " T " shaped stereochemical structure, and evaporation cavity and condensation chamber are vacuum chamber and fill coolant liquid；Wick layer is arranged in the inner wall of evaporation cavity and condensation chamber.Temperature-uniforming plate is made of at least two pieces of shells, and is prepared respectively；Then copper powder particle is covered in the inner surface of shell, and is sintered and forms wick layer；Case weld is connected, coolant liquid is injected, and by frit seal at injection hole, obtains the hot superconductive temperature equalizing radiator of 3 D stereo.The present invention expands mounting area and heat dissipation area, can more effectively utilize space；The circulation process for shortening coolant liquid expands contact surface and connects, to improve radiating efficiency, heat dissipation effect is more preferable.
Description
Technical field
The present invention relates to technical field of heat dissipation, more particularly, to a kind of hot superconductive temperature equalizing radiator of 3 D stereo and its preparation
Method.
Background technique
Have high heat transmission, high thermoconductivity, light-weight, structure simple due to temperature-uniforming plate (Vapor Chamber) and
The characteristics such as multipurpose have been widely used in electronic building brick the advantages that can transmitting a large amount of heat and not consume electric power at present
It is thermally conductive, the quick diversion of heat is thus carried out to heat generating component (such as electronic component, LED chip), is sent out with effective solution
The heat accumulation phenomenon of hot component.
Existing temperature uniforming heat radiation body causes the area of radiator portion smaller due to the limitation of its use space, affects scattered
Size, radiating mode and the installation of thermal device, it is not high so as to cause radiating efficiency.
Summary of the invention
The purpose of the present invention is to provide hot superconductive temperature equalizing radiators of a kind of 3 D stereo and preparation method thereof, existing to solve
There is the technical problem that heat dissipation area present in technology is small, radiating element is not easy to install.
The hot superconductive temperature equalizing radiator of 3 D stereo provided by the invention, comprising: the evaporation cavity of hollow long slab shape and hollow
Plate shaped condensation chamber；
The evaporation cavity is vertically fixed on the surface of condensation chamber, and composition cross section is " T " shaped stereochemical structure, and is evaporated
Chamber and condensation chamber are vacuum chamber and fill coolant liquid, and the two is interconnected；The setting of the inner wall of the evaporation cavity and condensation chamber
Wick layer.
The principle transmitted in temperature uniforming heat radiation body using phase-change heat mode and capillary structure: coolant liquid is filled into temperature-uniforming plate
It is interior, it receives in wick layer；When evaporation ends are heated, coolant liquid endothermic gasification is overflowed from wick layer, and along evaporation
Chamber flow to condensation chamber exothermic condensation, and the wick layer of condensation end is inhaled into after liquefaction, and is transported to evaporation through capillary action
The wick layer at end completes a heat dissipation circulation.
The hot superconductive temperature equalizing radiator of the 3 D stereo of " T " shape structure, the process of coolant liquid is shorter, and circulation rate is faster；It steams
The area for sending out chamber and condensation chamber is bigger, it is easier to install with heat source and other radiating elements, and heat radiator effect is more preferable；Structure
More stable, shockproof effect is good.
In optinal plan of the invention, the evaporation cavity is rectangle, and condensation chamber is circle；And the thickness of the condensation chamber
Degree is greater than the thickness of evaporation cavity.
In optinal plan of the invention, the evaporation cavity and condensation chamber are standby using red metal or aluminum, the wick layer
It is standby using copper or aluminum.
Temperature-uniforming plate is all made of red metal or the aluminum material preparation of low thermal resistance from inside to outside, can be further improved its thermal diffusivity
Energy.
In optinal plan of the invention, the material of the coolant liquid is water.
In optinal plan of the invention, the wick layer with a thickness of 0.1mm~100mm, hole ratio is 50%.
The preparation method of the hot superconductive temperature equalizing radiator of the 3 D stereo provided by the invention, comprising the following steps:
The shell of condensation chamber is prepared, and covers copper powder or aluminum particle in the inner surface of the shell of the condensation chamber, or
Person covers copper mesh or aluminium wire netting, and is sintered, and forms the wick layer with capillarity；
Prepare the shell of evaporation cavity:
Oxygen-free copper pipe or anaerobic aluminum pipe are cut into pieces according to design length, pipe fitting is obtained, and be inserted into center bar, makes center
The gap of reserved thickness is formed between stick and tube wall, and filling compacting copper powder particle or aluminum particle into the gap, then into
Row sintering, forms wick layer；One end that the pipe fitting of wick layer will be sintered is closed up at coniform, and solder up；Then
It is squeezed into flat, obtains the shell of evaporation cavity；Or
Respectively in the anaerobic copper shell of two panels stamping or the inner surface of anaerobic aluminum enclosure compacting covering copper powder
Grain or aluminum particle, or compacting copper mesh or aluminium wire netting, sintering form wick layer；By two panels shell nitrogen protection ring
It is welded in border, obtains the shell of evaporation cavity；
The shell of the shell of condensation chamber and evaporation cavity is welded to connect in the environment of nitrogen protection, and carries out internal capillary
The link of sandwich layer；Welding pumping note liquid head, a copper pipe is inserted in the hole and carries out high temperature reduction on the reserved hole of condensation cavity
Deoxygenation；
It will be vacuumized at pumping note liquid head, inject extruding bending sealing after coolant liquid, and carry out frit seal, be obtained
To the hot superconductive temperature equalizing radiator of 3 D stereo.
In optinal plan of the invention, in the sintering process of the wick layer, the sintering of copper powder particle and copper mesh
Temperature is 800 DEG C~1050 DEG C, and sintering time is 1h~6h.
In optinal plan of the invention, in the sintering process of the wick layer, the sintering temperature of copper mesh and aluminium wire netting
Degree is 400 DEG C~550 DEG C, and sintering time is 1h~6h.
In optinal plan of the invention, during the nitrogen protection, nitrogen protection is gradually cooled to 80 ° from 1050 °,
Time is 5min~30min.
In optinal plan of the invention, the diameter of the copper powder particle or aluminum particle is 10 microns~1000 microns,
Cladding thickness is 0.1 millimeter~100 millimeters.
In optinal plan of the invention, the preparation method of the temperature-uniforming plate further include:
The step of decontamination cleaning is carried out to the shell；
Before injecting coolant liquid, the step of test the being sealed property of shell after welding；
The step of appearance trimming is carried out to the temperature-uniforming plate；
The step of high temperature ageing test and performance test are carried out to the temperature-uniforming plate；
The step of temperature-uniforming plate is surface-treated.
In optinal plan of the invention, the surface treatment includes blasting craft processing and electroplating technology processing.
The invention has the benefit that
Mounting area and heat dissipation area are expanded, space can be more effectively utilized；The circulation process of coolant liquid is shortened,
It expands contact surface to connect, to improve radiating efficiency, heat dissipation effect is more preferable.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the hot superconductive temperature equalizing radiator of 3 D stereo provided in an embodiment of the present invention；
Fig. 2 is the cross section view of the hot superconductive temperature equalizing radiator of 3 D stereo described in the embodiment of the present invention；
Appended drawing reference:
101- evaporation ends；102- condensation end；
103- evaporation cavity；104- condensation chamber；
105- wick layer；106- shell；
107- gas phase coolant liquid；108- liquid phase coolant liquid.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the schematic diagram of the hot superconductive temperature equalizing radiator of 3 D stereo provided in an embodiment of the present invention；Fig. 2 is that the present invention is real
Apply the cross section view of the hot superconductive temperature equalizing radiator of 3 D stereo described in example.
In this embodiment, the hot superconductive temperature equalizing radiator of 3 D stereo includes rectangular evaporation ends 101 and circular plate type
Condensation end 102, the two is mutually perpendicular to, and forms " T " shaped stereochemical structure.
Specifically, the hot superconductive temperature equalizing radiator of 3 D stereo includes the evaporation ends 101 and hollow circle of hollow long slab shape
The condensation end 102 of plate shape.Evaporation ends 101 are fixed in vertical manner at the upper surface center of condensation end 102, to form cross
Section is " T " shaped stereochemical structure.
The hollow cavity of evaporation ends 101 constitutes evaporation cavity 103, and the hollow cavity of condensation end 102 constitutes condensation chamber 104, and evaporates
Chamber 103 and condensation chamber 104 are vacuum chamber, and the two is interconnected.
Coolant liquid, inner wall all layings of evaporation cavity 103 and condensation chamber 104 are filled in evaporation cavity 103 and condensation chamber 104
Shell 106 is arranged in its outer wall in wick layer 105.
The principle transmitted in the hot superconductive temperature equalizing radiator of 3 D stereo using phase-change heat mode and capillary structure: coolant liquid
It receives in wick layer 105；When evaporation ends 101 absorb the heat that heat source distributes, make the wick layer at evaporation ends 101
Coolant liquid endothermic gasification in 105, gas phase coolant liquid 107 are overflowed from wick layer 105, along evaporation cavity 103 to condensation chamber
The flowing of 104 directions, and exothermic condensation liquefies in condensation chamber 104, liquid phase coolant liquid 108 is inhaled into the capillary wick of condensation end 102
In layer 105, then the capillarity for passing through wick layer 105 radiates to the conveying of the wick layer of evaporation ends 101 to complete one
Cooling cycle.
Using the hot superconductive temperature equalizing radiator of the 3 D stereo of " T " shape structure, contact of the evaporation ends with condensation end can be increased
Area, so as to make temperature uniforming heat radiation body with more effectively contacted between heat source and thermal component, it is easier to heat source and other
Radiating element installation, and heat radiator effect is more preferable；Meanwhile the process of coolant liquid is shorter, circulation rate is faster；Structure is more steady
Fixed, shockproof effect is good.
In the preferred embodiment of the present embodiment, the thickness (caliber size) of condensation chamber 104 is greater than the thickness of evaporation cavity 103
(caliber size).In this way, condensation chamber 104 is larger, evaporation cavity 103 is smaller, can between condensation chamber 104 and evaporation cavity 103 shape
Increase circulation rate and radiating efficiency at pressure difference so as to accelerate the flowing velocity of gas phase coolant liquid 107.
In the preferred embodiment of the present embodiment, the hot superconductive temperature equalizing radiator of 3 D stereo (including wick layer from inside to outside
105 and shell 106) be all made of low thermal resistance red metal or aluminum material preparation, can be further improved its heat dissipation performance.
In the preferred embodiment of the present embodiment, in the evaporation cavity 103 of the hot superconductive temperature equalizing radiator of 3 D stereo, hair can be used
Thin sandwich layer 105 is separated into plurality of passages, flows gas phase coolant liquid 107 in each channel, increases flowing velocity.Meanwhile such as
When the phase change efficiency of 101 two sides of evaporation ends of fruit temperature uniforming heat radiation body is unbalanced, it can be risen by constituting the wick layer 105 in channel
To the effect of adjusting.
In the preferred embodiment of the present embodiment, coolant liquid uses water.Certainly, coolant liquid can also have gas using other
The substance of liquid two-phase phase transition performance, such as ethyl alcohol, acetone, can be according to the heating temperature of heat source and the phase alternating temperature of phase-change material
Degree is selected.
In the preferred embodiment of the present embodiment, wick layer 105 is sintered by copper powder particle, unilateral wick layer
105 with a thickness of 0.1mm~100mm, hole ratio is 50%.
To guarantee the gas-liquid cycle process of coolant liquid, and accelerate heat conduction efficiency, evaporation cavity 103 and condensation chamber 104 should be protected
Hold suitable thickness.
In other embodiments of the invention, the hot superconductive temperature equalizing radiator of 3 D stereo may be set to be other shapes,
Cooperated with facilitating with heat source, thermal component and installation space.For example, evaporation ends be hollow long slab shape, it is hollow circular plate type, hollow curved
The various shapes such as plate shape and hollow polygon plate shape, correspondingly, condensation end may be hollow long slab shape, it is hollow circular plate type, hollow
The various shapes such as bent plate shape and hollow polygon plate shape.Evaporation ends and condensation end are also not limited to right angle setting or linear connection,
Inclined connection type can be used, as long as evaporation cavity can be made to be connected to condensation chamber.
The hot superconductive temperature equalizing radiator of the 3 D stereo can be widely used in LED light source according to the difference of design shape
Or the heat dissipation of electronic product.
For example, LED-COB light source is two when radiating to LED-COB light source, it is sticked respectively in the evaporation of temperature-uniforming plate
The both side surface at end 101；
Thermal component, such as fin radiator are installed in the outer surface of condensation end 102.Fin radiator is tightly attached to temperature-uniforming plate
Condensation end 102 single side surface or two sides side, can condensation end 102 to temperature-uniforming plate carry out cooling.
Fan can also be set in the rear end of fin radiator and condensation end 102, be fin radiator air feed, to accelerate wing
The cooling of sheet heat radiator.
The hot superconductive temperature equalizing radiator of the 3 D stereo is prepared according to the following steps:
Prepare condensation chamber:
Condensation cavity is the oxygen-free copper or anaerobic aluminum enclosure by upper and lower two parts according to dimensions stamping；Up and down
Two parts can in respectively in upper housing according to the hole of the size punching press certain size shape of evaporation cavity, be used for and evaporation cavity
Connection；On bottom case or upper casing according to design requirement be stamped with certain size hole and Contact welding edge fit interconnected, be used to
Copper pipe or aluminum pipe are welded, the hole of injection liquid is vacuumized in product later period preparation section；
Thickness compacting covering copper powder particle or aluminium powder in the inner surface of upper and lower two housing sections as required respectively
Grain, or compacting copper mesh or aluminium wire netting carry out high temperature sintering according to product specific requirement, form the capillary wick of storage conducting liquid
Layer；
Prepare evaporation cavity:
Evaporation cavity is by oxygen-free copper pipe or anaerobic aluminum pipe by processing preparation, or by two parts according to stamping
Anaerobic copper shell or anaerobic aluminum enclosure be formed by connecting, it is specific:
When preparing evaporation cavity with the oxygen-free copper pipe of certain specification Diameter Wall or aluminum pipe, first require to select according to specific product
With or well cutting length；In the graphite fixture that copper pipe or aluminum pipe insertion are prepared to certain diameter height, by copper pipe or aluminum pipe bottom
Portion is according to being highly fixed in graphite fixture；The wick layer thickness of the storage conducting liquid required according to specific product is inserted into copper
A center rod iron inside pipe or aluminum pipe, then to filling compacting anaerobic copper powder at the gap of center bar and copper pipe or aluminum pipe inner wall or
Anaerobic aluminium powder；Then the movement of the copper pipe or aluminum pipe of suppressing populated anaerobic copper powder or anaerobic aluminium powder is placed into high temperature sintering furnace
In, it is sintered, temperature range and time are sintered according to metal and liquid storage sandwich layer different temperatures and time difference；It will sintering
Good copper pipe or aluminum pipe one end closes up into coniform, carries out solder up by bonding machine；Then by solder up one
End is put into high temperature furnace according to high temperature oxygen reduction treatment is carried out, and oxide layer when removing welding removes and deoxygenation；Finally according to production
Product require on extrusion equipment, are squeezed into the flat evaporation cavity of certain altitude thickness shape up and down；
Or by two panels according to the oxygen-free copper or anaerobic aluminum enclosure of certain specification dimensional thickness stamping, respectively two
The thickness compacting covering copper powder or aluminum particle of the inner surface of partial shell as required, or the copper of compacting certain specification thickness
Silk screen aluminium wire netting carries out high temperature sintering according to product specific requirement, forms the wick layer of storage conducting liquid；Sinter capillary
The two panels shell of sandwich layer, it is fixed to connecting and being placed in fixture in chain junction type metal copper or aluminium soldering paste solder, it will fix
Good connector is placed into tunnel nitrogen soldering furnace according to progress nitrogen protection welding；
Connect evaporation cavity and condensation chamber:
In the upper cover preformed hole for the condensation cavity that the evaporation cavity prepared insertion is prepared, existed with metal soldering paste solder
In tunnel nitrogen protection soldering furnace according to be attached nitrogen protection welding；
Or in the upper cover preformed hole for the condensation cavity for preparing the evaporation cavity prepared insertion, be placed in fixture,
The solder copper ring or aluminium ring of certain shapes are placed in external connections, welding is attached by high frequency argon arc welding；
The two is put into the graphite fixture for designing scale styling representation, compacting loads certain granules diameter and thickness
Copper powder particle or aluminum particle or certain thickness copper mesh or aluminium wire netting carry out the link of inner vertical surface wick layer；So
After be placed in high temperature welding furnace and be sintered, evaporation cavity and the upper cover of condensation cavity are completed after sintered copper powder connects, at vertically connecting
It is logical to fix；
Or by the vertical connector of the upper cover of evaporation cavity and the condensation cavity lower case that sinters, places and play a supporting role
In copper post or aluminium column, and brazing metal soldering paste is smeared in contact surface, is printed in the two chain junction and smear metallic copper soldering paste solder, it is right
It connects and is placed in fixture fixed；The connector fixed is placed into progress nitrogen protection weldering in tunnel nitrogen soldering furnace
It connects；
Injection coolant liquid is simultaneously sealed:
The evaporation cavity being welded and condensation cavity connector are reserved in the upper cover body of condensation cavity or lower cover
Hole on welding pumping note liquid head, the copper pipe of certain diameter shape is inserted in the hole, outside place copper ring aluminium ring solder in argon
Link welding is carried out on arc-welding machine, welding carries out high temperature reduction deoxygenation later, then will take out at pumping note liquid head true
Sky, injection coolant liquid squeezes bending sealing, and injection hole is on argon arc welding machine and carries out frit seal, obtains 3 D stereo
Hot superconductive temperature equalizing radiator.
In the sintering process of wick layer, the sintering temperature of copper powder particle and copper mesh is 800 DEG C~1050 DEG C, when sintering
Between be 1h~6h；The sintering temperature of copper mesh and aluminium wire netting is 400 DEG C~550 DEG C, and sintering time is 1h~6h.
During nitrogen protection, nitrogen protection is gradually cooled to 80 ° from 1050 °, and the time is 5min~30min.
The diameter of copper powder particle or aluminum particle is 10 microns~1000 microns, and cladding thickness is 0.1 millimeter~100 millis
Rice.
The hot superconductive temperature equalizing radiator of the 3 D stereo realizes heat source from a direction solid in minimum solid space
The condensation heat dissipation of another three-dimensional surface is vertically arrived in face.The hot superconductive temperature equalizing heat dissipation body technique of 3 D stereo is similar to heat from principle
Pipe, but the different from conduction pattern: heat pipe is one-dimensional linear heat transfer, and in the hot superconductive temperature equalizing radiator of 3 D stereo
Heat is conducted on a three-dimensional three-dimensional surface, therefore more efficient.Evaporation cavity two sides is heated, and heat source heating evaporation chamber is inhaled
Heat, coolant liquid (pure water or refrigerant) rapid evaporation of being heated under vacuum ultralow pressure environment is hot-air (< 104Tor or more
It is few) --- heat absorption Vapor Chamber uses vacuum design, and hot-air is thermally conductive rapidly in evaporation cavity, and hot-air is heated to be risen
Condensation chamber is reached, radiating fin heat is welded on condensation chamber and passes on radiating fin, and condense into liquid again, after condensation
Coolant liquid is passed back by the micro- shape structure capillary channel of copper forms reflux at the evaporation cavity of 3 D stereo superconductive temperature equalizing body, reflux
Coolant liquid by evaporation cavity it is heated after gasifies again and by the heat absorption of condensation wall, thermally conductive, heat dissipation, act on repeatedly, can be with
More effectively utilize space；Internal circulation process is formed, contact surface is expanded and connects, so that radiating efficiency is improved, heat dissipation effect
More preferably.
In the preferred embodiment of the present embodiment, the preparation method of the temperature-uniforming plate can with the following steps are included:
Molding shell will be prepared to be placed in ultrasonic cleaning pond to each surface of shell progress ultrasonic cleaning, to remove work
The greasy dirt and impurity that surface attaches in part production process；
Before injecting coolant liquid, the shell after welding is placed in water, and the injection hole injecting compressed air by reserving,
Carry out air tightness test；
After temperature-uniforming plate is prepared, using shaping tool, the deformation that temperature-uniforming plate generates in process of production is corrected, to outside it
Sight is rebuild；
The temperature-uniforming plate being prepared is placed in insulating box, and is passed through high temperature gas flow, carries out hot environment burn-in test；
Carry out temperature test to the heating of the evaporation ends of the temperature-uniforming plate being prepared, and in condensation end, testing product it is thermally conductive
Effect；
The surface of temperature-uniforming plate is carried out to include blasting craft processing and electroplating technology processing inner surface processing, improves table
Surface intensity and Corrosion Protection, while keeping product more beautiful.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of hot superconductive temperature equalizing radiator of 3 D stereo characterized by comprising the evaporation cavity of hollow long slab shape and hollow
Plate shaped condensation chamber；
The evaporation cavity is vertically fixed on the surface of condensation chamber, composition cross section be " T " shaped stereochemical structure, and evaporation cavity with
Condensation chamber is vacuum chamber and fills coolant liquid, and the two is interconnected；Capillary is arranged in the inner wall of the evaporation cavity and condensation chamber
Sandwich layer；
The evaporation cavity is rectangle, and condensation chamber is circle；And the thickness of the condensation chamber is greater than the thickness of evaporation cavity；
The evaporation cavity and condensation chamber are standby using red metal or aluminum, and the wick layer is standby using copper or aluminum；
The wick layer with a thickness of 0.1mm~100mm, hole ratio is 50%；
The material of the coolant liquid is ethyl alcohol or acetone；
The evaporation cavity is vertically fixed at the center of the circular surface of the condensation chamber.
2. a kind of preparation method of the hot superconductive temperature equalizing radiator of 3 D stereo described in claim 1, which is characterized in that including with
Lower step:
The shell of condensation chamber is prepared, and covers copper powder or aluminum particle in the inner surface of the shell of the condensation chamber, or cover
Lid copper mesh or aluminium wire netting, and be sintered, form the wick layer with capillarity；
Prepare the shell of evaporation cavity:
Oxygen-free copper pipe or anaerobic aluminum pipe are cut into pieces according to design length, obtain pipe fitting, and be inserted into center bar, make center bar with
The gap of reserved thickness is formed between tube wall, and filling compacting copper powder particle or aluminum particle into the gap, then burnt
Knot forms wick layer；One end that the pipe fitting of wick layer will be sintered is closed up at coniform, and solder up；Then it squeezes
At flat, the shell of evaporation cavity is obtained；Or
Respectively the anaerobic copper shell of two panels stamping or the inner surface of anaerobic aluminum enclosure compacting covering copper powder particle or
Aluminum particle, or compacting copper mesh or aluminium wire netting, sintering form wick layer；By two panels shell in the environment of nitrogen protection
It is welded, obtains the shell of evaporation cavity；
The shell of the shell of condensation chamber and evaporation cavity is welded to connect in the environment of nitrogen protection, and carries out internal capillary sandwich layer
Connection；Welding pumping note liquid head, a copper pipe is inserted in the hole and carries out high temperature reduction deoxygenation on the reserved hole of condensation cavity；
It will be vacuumized at pumping note liquid head, inject extruding bending sealing after coolant liquid, and carry out frit seal, and obtain three
The three-dimensional hot superconductive temperature equalizing radiator of dimension；
Wherein, the evaporation cavity is rectangle, and condensation chamber is circle；And the thickness of the condensation chamber is greater than the thickness of evaporation cavity；
The diameter of the copper powder particle or aluminum particle is 10 microns~1000 microns, and cladding thickness is 0.1 millimeter~100 millimeters, hole
Gap ratio is 50%；The material of the coolant liquid is ethyl alcohol or acetone.
3. preparation method according to claim 2, which is characterized in that in the sintering process of the wick layer, copper powder
The sintering temperature of grain and copper mesh is 800 DEG C~1050 DEG C, and sintering time is 1h~6h.
4. preparation method according to claim 2, which is characterized in that in the sintering process of the wick layer, copper mesh
Sintering temperature with aluminium wire netting is 400 DEG C~550 DEG C, and sintering time is 1h~6h.
5. preparation method according to claim 2, which is characterized in that during the nitrogen protection, nitrogen protection from
1050 ° are gradually cooled to 80 °, and the time is 5min~30min.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/095322 WO2017101473A1 (en) | 2015-12-16 | 2016-08-15 | Planar vapor chamber and manufacturing method therefor, and automotive headlamp |
| PCT/CN2016/095323 WO2017101474A1 (en) | 2015-12-16 | 2016-08-15 | 三维立体均温板及其制备方法及汽车头灯 three-dimensional vapor chamber, and manufacturing method therefor, and automotive headlamp |
| JP2017505090A JP6407404B2 (en) | 2015-12-16 | 2016-08-15 | Planar vapor chamber, manufacturing method thereof, and vehicle headlight |
| JP2016567901A JP6407307B2 (en) | 2015-12-16 | 2016-08-15 | Vapor chamber, manufacturing method thereof, and vehicle headlight |
| TW105127450A TWI633268B (en) | 2015-12-16 | 2016-08-26 | Three-dimensional three-dimensional uniform temperature plate, preparation method thereof and automobile headlight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015109470952 | 2015-12-16 | ||
| CN201510947095.2A CN105371214A (en) | 2015-12-16 | 2015-12-16 | LED automobile head lamp |
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| CN106197104A CN106197104A (en) | 2016-12-07 |
| CN106197104B true CN106197104B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510947095.2A Pending CN105371214A (en) | 2015-12-16 | 2015-12-16 | LED automobile head lamp |
| CN201610346070.1A Active CN105972535B (en) | 2015-12-16 | 2016-05-20 | A kind of LED automobile head lamp |
| CN201610532707.6A Active CN106197104B (en) | 2015-12-16 | 2016-07-06 | Hot superconductive temperature equalizing radiator of 3 D stereo and preparation method thereof |
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| CN201510947095.2A Pending CN105371214A (en) | 2015-12-16 | 2015-12-16 | LED automobile head lamp |
| CN201610346070.1A Active CN105972535B (en) | 2015-12-16 | 2016-05-20 | A kind of LED automobile head lamp |
Country Status (4)
| Country | Link |
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| JP (2) | JP2017112087A (en) |
| CN (3) | CN105371214A (en) |
| TW (1) | TWI633268B (en) |
| WO (1) | WO2017101474A1 (en) |
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Also Published As
| Publication number | Publication date |
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| JP2017112087A (en) | 2017-06-22 |
| TW201723412A (en) | 2017-07-01 |
| JP6407307B2 (en) | 2018-10-17 |
| TWI633268B (en) | 2018-08-21 |
| CN105371214A (en) | 2016-03-02 |
| JP2018506163A (en) | 2018-03-01 |
| WO2017101474A1 (en) | 2017-06-22 |
| CN105972535B (en) | 2018-11-27 |
| CN106197104A (en) | 2016-12-07 |
| CN105972535A (en) | 2016-09-28 |
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