CN106017165A - Continuous transformer - Google Patents
Continuous transformer Download PDFInfo
- Publication number
- CN106017165A CN106017165A CN201610389880.5A CN201610389880A CN106017165A CN 106017165 A CN106017165 A CN 106017165A CN 201610389880 A CN201610389880 A CN 201610389880A CN 106017165 A CN106017165 A CN 106017165A
- Authority
- CN
- China
- Prior art keywords
- copper
- soaking plate
- copper powder
- radiating fin
- inner frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F28D15/0266—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 separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/004—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for engine or machine cooling systems
Abstract
The invention relates to a continuous transformer. The continuous transformer comprises a heat dissipation module; the heat dissipation module comprises a cooling fan, a heat dissipater and a vapor chamber; the vapor chamber comprises an upper copper plate, a lower copper plate, an upper copper powder sintered layer, a lower copper powder sintered layer, solid hexagonal copper columns and copper powder rings, wherein the upper copper powder sintered layer is sintered on the lower surface of the upper copper plate, the lower copper powder sintered layer is sintered on the upper surface of the lower copper plate, the multiple solid hexagonal copper columns are arranged on the lower copper plate at intervals and are connected through copper bars, and the copper powder rings cover the solid hexagonal copper columns. Cross sections of heat dissipation fins are respectively of a symmetric spindle shape, one edge of each heat dissipation fin is of a round tooth shape, the other edge of each heat dissipation fin is of a saw tooth shape, and the surfaces of the heat dissipation fins are covered with ceramic particles in a laser cladding mode. The cooling fan comprises frames and a hydraulic rod, the frames comprise an outer frame and an inner frame, a flexible corrugated pipe is arranged between the outer frame and the inner frame, one end of the hydraulic rod is hinged to one side of the outer frame, and the other end of the hydraulic rod is hinged to one side of the inner frame. The continuous transformer can improve the heat dissipation efficiency and lower the noise.
Description
Technical field
The present invention relates to power domain, particularly relate to continuous transformer.
Background technology
Heat abstractor plays the most crucial effect to the normal operation of continuous transformer.But, in correlation technique, continuous transformation
The sink-efficiency of device is relatively low, and noise is bigger.
Summary of the invention
For the problems referred to above, present invention aim to address that current continuous transformer radiating efficiency is low, and the technical problem that noise is big.
For solving above-mentioned technical problem, the technical solution used in the present invention is continuous transformer, including radiating module, and described heat radiation
Module includes cooling down fan, radiator and soaking plate.Described cooling fan is installed on radiator side, and described soaking plate is installed on
The lower section of radiator.
Described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, solid hexagonal copper post and copper powder
Ring.The thickness of described lower copper coin is less than upper copper coin so that lower copper coin can reduce thermal source to the thermal resistance of working medium, and upper copper coin plays support
Effect.Upper copper powder sintering layer is sintered in the lower surface of copper coin, as the evaporation ends wick of soaking plate.Lower copper powder sintering layer burns
Tie in the upper surface of lower copper coin, as the condensation end wick of soaking plate.Multiple described solid hexagonal copper posts are spaced on lower copper coin
Arrangement, is connected by copper bar between adjacent two solid hexagonal copper posts, forms hex shape.Described solid hexagonal copper post one end
Being soldered to copper coin, the other end is soldered to lower copper coin.Described copper powder ring wraps up solid hexagonal copper post, connects evaporation ends imbibition respectively
Core and condensation end wick.
Described soaking plate manufacturing process is simple, low cost, the most also has extraordinary heat conductivity and excellent anti-dry performance.
Use the mode of the embedding solid hexagonal copper post of copper powder ring set as support column, enhance the mechanical strength of soaking plate, simultaneously copper powder ring with
Evaporation ends and condensation end wick contact, and form the path of working medium backflow.
Compared with relevant soaking plate, solid hexagonal copper post strengthens the mechanical strength of soaking plate.Be used alone solid hexagonal copper post phase
Ratio, the hex shape structure that multiple solid hexagonal copper posts are interconnected to form further enhances the mechanical strength of soaking plate.Not only
(during vacuum) support can be provided when internal pressure is less than external pressure, prevent soaking plate to be under atmospheric pressure crushed, with
Time (when working under high temperature) spacing between upper and lower copper coin can also be kept when internal pressure is more than external pressure, prevent all
Hot plate expands deformation.
In traditional soaking plate structure, working medium needs the side by soaking plate to return to evaporation ends from condensation end, therefore working medium
The path of backflow is longer, causes soaking plate efficiency low, and evaporating area dry-out easily occurs.And the copper powder ring used in this soaking plate
It is directly connected to evaporation ends and condensation end wick, as the path of working medium backflow, helps working medium to return to evaporation ends from condensation end.
The manufacturing process of this soaking plate is as follows: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over upper and lower copper
Plate inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder；(2)
Carrying out ultrasonic activation after copper powder is positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder ring；(3)
Solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, upper and lower by good for arrangement solid hexagonal copper post and copper powder ring
Copper coin is positioned in graphite jig fixing, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, carries out pressure expansion
Dissipating weldering, use the mode that stage heats up in sintering process, the first stage is raised to 300 DEG C with the programming rate of 20 DEG C/min, protects
Temperature 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to room temperature；(4)
The circular hole that can put into copper pipe of bleeding is got out in the bleeding point position welded；Copper pipe is placed at bleeding point, and at auxiliary solder
Under help, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode using negative pressure to fill, takes out very at low temperature
After sky, by copper pipe, working medium is filled the working medium selected herein to soaking plate is deionized water；(6) after fill, by copper pipe mouth pressure
Flat and weld, it is ensured that soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surfacing of soaking plate
Degree.Due to deionized water, to have latent heat high, and surface tension is big and the advantage such as avirulence, in the present embodiment, selects deionization
Water is working medium.
In described soaking plate, the transmission of heat mainly has two approach: one is that working medium absorbs heat of vaporization in evaporation ends wick,
And in the release heat condensation of condensation end wick, by heat from evaporation ends band to condensation end, this is also the work of soaking plate phase-change heat transfer
Approach；Another is the existence due to support column, and heat can transmit from bottom to top by connecting the solid copper pin of upper and lower copper coin.
When heating power is 60 to 300W, in the effective condensation area of upper surface, the temperature difference of soaking plate upper surface is about 1 DEG C,
Illustrate that the Temperature Distribution of the soaking plate condensation end of the present embodiment is highly uniform.It is 1 × 1m in heating surface (area) (HS2Time, the thermal resistance of soaking plate
It is about 0.9K/W.
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion.Described heat pipe selects fork arrangement to put, its resemblance
For NACA0018 aerofoil profile, the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 sectional area is less
One end is away from cooling fan.
The cross section of described radiating fin is symmetrical fusiform, and described radiating fin is crenation towards the edge of cooling fan,
It is zigzag that radiating fin cools down the edge of fan dorsad.Use continuous CO2Laser instrument carries out surface process to radiating fin: (1)
The multimode beam of described laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad, is gathered by the GaAs lens of focal length 300mm
Jiao is the hot spot of diameter about 2mm, and the surface of described dot projection to described radiating fin forms spaced pit；(2) exist
Cooling fin surfaces coated ceramic Particles dispersed coating under the protection of noble gas, after step (1) processes；(3) described
The multimode beam of laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad, the GaAs lens focus of focal length 300mm be
The hot spot of diameter about 5mm, the surface of described dot projection to described radiating fin carries out laser scanning.
After cladding laser surfaces processes, granular pottery is nested in the surface of radiating fin and forms projection, through step (1)
After process, the surface of radiating fin forms depression, and the therefore surface irregularity of radiating fin, roughness dramatically increases.Cooling gas
Body forms turbulent flow through out-of-date on the surface of radiating fin, improves heat dissipation capacity while increasing windage.In the case of wind speed is identical,
The radiating fin smooth compared to edge and surface, is crenation towards the edge of cooling fan, cools down the edge of fan dorsad
For zigzag, surface is that the noise of wavy radiating fin can reduce by 6～8dB.
Described cooling fan is placed in the middle relative to radiator.Described cooling fan includes blade, wheel hub, hydraulic stem, controller and bag
Enclose the framework that blade shields.Described blade surface is coated with sodium silicate thin film, lowers blade drag.Described framework includes
Outside framework and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator.Outside described
Being provided with flexible bellow between framework and inner frame, described outside framework is located at relative to the one of inner frame in one end of described flexible bellow
Side, the other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow in
Air channel is formed between outside framework and inner frame.One end of described hydraulic stem is articulated with described outside framework rotationally relative to inner frame
Side, the other end is articulated with the described inner frame side relative to outside framework the most rotationally.Described controller controls described hydraulic pressure
The extension of bar, compress and rotate.Described hydraulic stem can axially move outside framework, adjusts the axle between radiator and cooling fan
To spacing, adjust radiator and leaf position vertically to after suitable distance, compared to other distance, hub positions the highest
Temperature declines, and in radiator, air themperature is the most uniform along radial direction distribution.Rotational hydraulic bar, outside framework can be relative to dissipating
Hot device is parallel to be moved along different directions, strengthens the air quantity of radiator certain part concrete according to the heat distribution situation local of radiator,
Promote that it dispels the heat.
Accompanying drawing explanation
Utilize accompanying drawing that invention is described further, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for this
The those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of soaking plate of the present invention.
Fig. 2 is the structural representation of soaking plate of the present invention.
Fig. 3 is radiator embodiment of the present invention a part of structure top view.
Fig. 4 is the cross sectional shape schematic diagram of radiator heat pipe of the present invention.
Reference: 1, upper copper coin, 2, upper copper powder sintering layer, 3, solid hexagonal copper post, 4, copper powder ring, 5, lower copper powder burns
Knot layer, 6, lower copper coin, 7, bleeding point, 8, radiating fin, 9, heat pipe.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment one
Continuous transformer, including radiating module, described radiating module includes cooling down fan, radiator and soaking plate.Described cooling
Fan is installed on radiator side, and described soaking plate is installed on the lower section of radiator.
Refering to Fig. 1 and Fig. 2, described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, reality
Heart hexagonal copper post and copper powder ring.The thickness of described lower copper coin is less than upper copper coin so that lower copper coin can reduce thermal source to the thermal resistance of working medium,
And upper copper coin plays a supportive role.Upper copper powder sintering layer is sintered in the lower surface of copper coin, as the evaporation ends wick of soaking plate.
Lower copper powder sintering layer is sintered in the upper surface of lower copper coin, as the condensation end wick of soaking plate.Multiple described solid hexagonal copper posts
It is spaced on lower copper coin, is connected by copper bar between adjacent two solid hexagonal copper posts, form hex shape.Described reality
Heart hexagonal copper post one end is soldered to copper coin, and the other end is soldered to lower copper coin.Described copper powder ring wraps up solid hexagonal copper post, respectively
Connect evaporation ends wick and condensation end wick.
Described soaking plate manufacturing process is simple, low cost, the most also has extraordinary heat conductivity and excellent anti-dry performance.
Use the mode of the embedding solid hexagonal copper post of copper powder ring set as support column, enhance the mechanical strength of soaking plate, simultaneously copper powder ring with
Evaporation ends and condensation end wick contact, and form the path of working medium backflow.
Compared with relevant soaking plate, solid hexagonal copper post strengthens the mechanical strength of soaking plate.Be used alone solid hexagonal copper post phase
Ratio, the hex shape structure that multiple solid hexagonal copper posts are interconnected to form further enhances the mechanical strength of soaking plate.Not only
(during vacuum) support can be provided when internal pressure is less than external pressure, prevent soaking plate to be under atmospheric pressure crushed, with
Time (when working under high temperature) spacing between upper and lower copper coin can also be kept when internal pressure is more than external pressure, prevent all
Hot plate expands deformation.
In traditional soaking plate structure, working medium needs the side by soaking plate to return to evaporation ends from condensation end, therefore working medium
The path of backflow is longer, causes soaking plate efficiency low, and evaporating area dry-out easily occurs.And the copper powder ring used in this soaking plate
It is directly connected to evaporation ends and condensation end wick, as the path of working medium backflow, helps working medium to return to evaporation ends from condensation end.
The manufacturing process of this soaking plate is as follows: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over upper and lower copper
Plate inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder；(2)
Carrying out ultrasonic activation after copper powder is positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder ring；(3)
Solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, upper and lower by good for arrangement solid hexagonal copper post and copper powder ring
Copper coin is positioned in graphite jig fixing, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, carries out pressure expansion
Dissipating weldering, use the mode that stage heats up in sintering process, the first stage is raised to 300 DEG C with the programming rate of 20 DEG C/min, protects
Temperature 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to room temperature；(4)
The circular hole that can put into copper pipe of bleeding is got out in the bleeding point position welded；Copper pipe is placed at bleeding point, and at auxiliary solder
Under help, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode using negative pressure to fill, takes out very at low temperature
After sky, by copper pipe, working medium is filled the working medium selected herein to soaking plate is deionized water；(6) after fill, by copper pipe mouth pressure
Flat and weld, it is ensured that soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surfacing of soaking plate
Degree.Due to deionized water, to have latent heat high, and surface tension is big and the advantage such as avirulence, in the present embodiment, selects deionization
Water is working medium.
In described soaking plate, the transmission of heat mainly has two approach: one is that working medium absorbs heat of vaporization in evaporation ends wick,
And in the release heat condensation of condensation end wick, by heat from evaporation ends band to condensation end, this is also the work of soaking plate phase-change heat transfer
Approach；Another is the existence due to support column, and heat can transmit from bottom to top by connecting the solid copper pin of upper and lower copper coin.
When heating power is 60 to 300W, in the effective condensation area of upper surface, the temperature difference of soaking plate upper surface is about 1 DEG C,
Illustrate that the Temperature Distribution of the soaking plate condensation end of the present embodiment is highly uniform.It is 1 × 1m in heating surface (area) (HS2Time, the thermal resistance of soaking plate
It is about 0.9K/W.
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion.Described heat pipe selects fork arrangement to put, refering to Fig. 4,
Its resemblance is NACA0018 aerofoil profile, and the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 cuts
The less one end of area is away from cooling fan.
Refering to Fig. 3, the cross section of described radiating fin is symmetrical fusiform, and the edge of described radiating fin is zigzag.
The upper and lower surface of described radiating fin is all wavy, and the crest alignment phase of the upper surface of described radiating fin when installing
The trough of the lower surface of another radiating fin adjacent so that form the passage of undaform between adjacent two pieces of radiating fins, increases heat radiation
Efficiency.The radiating fin using jagged edge and wavy surface can be effectively reduced noise, have jagged edge and
The radiating fin on undaform surface is than the lower noise 2～3dB of the radiating fin not having.
Described cooling fan is placed in the middle relative to radiator.Described cooling fan includes blade, wheel hub, hydraulic stem, controller and bag
Enclose the framework that blade shields.Described blade surface is coated with sodium silicate thin film, lowers blade drag.Described framework includes
Outside framework and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator.Outside described
Being provided with flexible bellow between framework and inner frame, described outside framework is located at relative to the one of inner frame in one end of described flexible bellow
Side, the other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow in
Air channel is formed between outside framework and inner frame.One end of described hydraulic stem is articulated with described outside framework rotationally relative to inner frame
Side, the other end is articulated with the described inner frame side relative to outside framework the most rotationally.Described controller controls described hydraulic pressure
The extension of bar, compress and rotate.Described hydraulic stem can axially move outside framework, adjusts the axle between radiator and cooling fan
To spacing, adjust radiator and leaf position vertically to after suitable distance, compared to other distance, hub positions the highest
Temperature declines, and in radiator, air themperature is the most uniform along radial direction distribution.Rotational hydraulic bar, outside framework can be relative to dissipating
Hot device is parallel to be moved along different directions, strengthens the air quantity of radiator certain part concrete according to the heat distribution situation local of radiator,
Promote that it dispels the heat.
Adjusting radiator and blade vertically to after suitable distance, the maximum temperature of hub positions is dropped to by original 97.7 DEG C
89.7℃。
Embodiment two
Continuous transformer, including radiating module, described radiating module includes cooling down fan, radiator and soaking plate.Described cooling
Fan is installed on radiator side, and described soaking plate is installed on the lower section of radiator.
Refering to Fig. 1 and Fig. 2, described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, reality
Heart hexagonal copper post and copper powder ring.The thickness of described lower copper coin is less than upper copper coin so that lower copper coin can reduce thermal source to the thermal resistance of working medium,
And upper copper coin plays a supportive role.Upper copper powder sintering layer is sintered in the lower surface of copper coin, as the evaporation ends wick of soaking plate.
Lower copper powder sintering layer is sintered in the upper surface of lower copper coin, as the condensation end wick of soaking plate.Multiple described solid hexagonal copper posts
It is spaced on lower copper coin, is connected by copper bar between adjacent two solid hexagonal copper posts, form hex shape.Described reality
Heart hexagonal copper post one end is soldered to copper coin, and the other end is soldered to lower copper coin.Described copper powder ring wraps up solid hexagonal copper post, respectively
Connect evaporation ends wick and condensation end wick.
Described soaking plate manufacturing process is simple, low cost, the most also has extraordinary heat conductivity and excellent anti-dry performance.
Use the mode of the embedding solid hexagonal copper post of copper powder ring set as support column, enhance the mechanical strength of soaking plate, simultaneously copper powder ring with
Evaporation ends and condensation end wick contact, and form the path of working medium backflow.
Compared with relevant soaking plate, solid hexagonal copper post strengthens the mechanical strength of soaking plate.Be used alone solid hexagonal copper post phase
Ratio, the hex shape structure that multiple solid hexagonal copper posts are interconnected to form further enhances the mechanical strength of soaking plate.Not only
(during vacuum) support can be provided when internal pressure is less than external pressure, prevent soaking plate to be under atmospheric pressure crushed, with
Time (when working under high temperature) spacing between upper and lower copper coin can also be kept when internal pressure is more than external pressure, prevent all
Hot plate expands deformation.
In traditional soaking plate structure, working medium needs the side by soaking plate to return to evaporation ends from condensation end, therefore working medium
The path of backflow is longer, causes soaking plate efficiency low, and evaporating area dry-out easily occurs.And the copper powder ring used in this soaking plate
It is directly connected to evaporation ends and condensation end wick, as the path of working medium backflow, helps working medium to return to evaporation ends from condensation end.
The manufacturing process of this soaking plate is as follows: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over upper and lower copper
Plate inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder；(2)
Carrying out ultrasonic activation after copper powder is positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder ring；(3)
Solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, upper and lower by good for arrangement solid hexagonal copper post and copper powder ring
Copper coin is positioned in graphite jig fixing, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, carries out pressure expansion
Dissipating weldering, use the mode that stage heats up in sintering process, the first stage is raised to 300 DEG C with the programming rate of 20 DEG C/min, protects
Temperature 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to room temperature；(4)
The circular hole that can put into copper pipe of bleeding is got out in the bleeding point position welded；Copper pipe is placed at bleeding point, and at auxiliary solder
Under help, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode using negative pressure to fill, takes out very at low temperature
After sky, by copper pipe, working medium is filled the working medium selected herein to soaking plate is deionized water；(6) after fill, by copper pipe mouth pressure
Flat and weld, it is ensured that soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surfacing of soaking plate
Degree.Due to deionized water, to have latent heat high, and surface tension is big and the advantage such as avirulence, in the present embodiment, selects deionization
Water is working medium.
In described soaking plate, the transmission of heat mainly has two approach: one is that working medium absorbs heat of vaporization in evaporation ends wick,
And in the release heat condensation of condensation end wick, by heat from evaporation ends band to condensation end, this is also the work of soaking plate phase-change heat transfer
Approach；Another is the existence due to support column, and heat can transmit from bottom to top by connecting the solid copper pin of upper and lower copper coin.
When heating power is 60 to 300W, in the effective condensation area of upper surface, the temperature difference of soaking plate upper surface is about 1 DEG C,
Illustrate that the Temperature Distribution of the soaking plate condensation end of the present embodiment is highly uniform.It is 1 × 1m in heating surface (area) (HS2Time, the thermal resistance of soaking plate
It is about 0.9K/W.
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion.Described heat pipe selects fork arrangement to put, refering to Fig. 4,
Its resemblance is NACA0018 aerofoil profile, and the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 cuts
The less one end of area is away from cooling fan.
Refering to Fig. 3, the cross section of described radiating fin is symmetrical fusiform, and the edge of described radiating fin is crenation.
The upper and lower surface of described radiating fin is all wavy, and when installing, the crest alignment of the upper surface of described radiating fin
The trough of the lower surface of another radiating fin adjacent so that form the passage of undaform between adjacent two pieces of radiating fins, increases and dissipates
The thermal efficiency.The radiating fin using scalloped edge and wavy surface can be effectively reduced noise, have scalloped edge with
And the radiating fin on undaform surface is than the lower noise 2～4dB of the radiating fin not having.
Described cooling fan is placed in the middle relative to radiator.Described cooling fan includes blade, wheel hub, hydraulic stem, controller and bag
Enclose the framework that blade shields.Described blade surface is coated with sodium silicate thin film, lowers blade drag.Described framework includes
Outside framework and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator.Outside described
Being provided with flexible bellow between framework and inner frame, described outside framework is located at relative to the one of inner frame in one end of described flexible bellow
Side, the other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow in
Air channel is formed between outside framework and inner frame.One end of described hydraulic stem is articulated with described outside framework rotationally relative to inner frame
Side, the other end is articulated with the described inner frame side relative to outside framework the most rotationally.Described controller controls described hydraulic pressure
The extension of bar, compress and rotate.Described hydraulic stem can axially move outside framework, adjusts the axle between radiator and cooling fan
To spacing, after adjusting radiator and leaf position vertically, the maximum temperature of hub positions declines, and air themperature in radiator
The most uniform along radial direction distribution.Rotational hydraulic bar, outside framework can parallel relative to radiator move along different directions, according to
The air quantity of radiator certain part concrete is strengthened in the heat distribution situation local of radiator, promotes that it dispels the heat.
Adjusting radiator and blade vertically to after suitable distance, the maximum temperature of hub positions is dropped to by original 98.1 DEG C
88.6℃。
Embodiment three
Continuous transformer, including radiating module, described radiating module includes cooling down fan, radiator and soaking plate.Described cooling
Fan is installed on radiator side, and described soaking plate is installed on the lower section of radiator.
Refering to Fig. 1 and Fig. 2, described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, reality
Heart hexagonal copper post and copper powder ring.The thickness of described lower copper coin is less than upper copper coin so that lower copper coin can reduce thermal source to the thermal resistance of working medium,
And upper copper coin plays a supportive role.Upper copper powder sintering layer is sintered in the lower surface of copper coin, as the evaporation ends wick of soaking plate.
Lower copper powder sintering layer is sintered in the upper surface of lower copper coin, as the condensation end wick of soaking plate.Multiple described solid hexagonal copper posts
It is spaced on lower copper coin, is connected by copper bar between adjacent two solid hexagonal copper posts, form hex shape.Described reality
Heart hexagonal copper post one end is soldered to copper coin, and the other end is soldered to lower copper coin.Described copper powder ring wraps up solid hexagonal copper post, respectively
Connect evaporation ends wick and condensation end wick.
Described soaking plate manufacturing process is simple, low cost, the most also has extraordinary heat conductivity and excellent anti-dry performance.
Use the mode of the embedding solid hexagonal copper post of copper powder ring set as support column, enhance the mechanical strength of soaking plate, simultaneously copper powder ring with
Evaporation ends and condensation end wick contact, and form the path of working medium backflow.
Compared with relevant soaking plate, solid hexagonal copper post strengthens the mechanical strength of soaking plate.Be used alone solid hexagonal copper post phase
Ratio, the hex shape structure that multiple solid hexagonal copper posts are interconnected to form further enhances the mechanical strength of soaking plate.Not only
(during vacuum) support can be provided when internal pressure is less than external pressure, prevent soaking plate to be under atmospheric pressure crushed, with
Time (when working under high temperature) spacing between upper and lower copper coin can also be kept when internal pressure is more than external pressure, prevent all
Hot plate expands deformation.
In traditional soaking plate structure, working medium needs the side by soaking plate to return to evaporation ends from condensation end, therefore working medium
The path of backflow is longer, causes soaking plate efficiency low, and evaporating area dry-out easily occurs.And the copper powder ring used in this soaking plate
It is directly connected to evaporation ends and condensation end wick, as the path of working medium backflow, helps working medium to return to evaporation ends from condensation end.
The manufacturing process of this soaking plate is as follows: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over upper and lower copper
Plate inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder；(2)
Carrying out ultrasonic activation after copper powder is positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder ring；(3)
Solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, upper and lower by good for arrangement solid hexagonal copper post and copper powder ring
Copper coin is positioned in graphite jig fixing, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, carries out pressure expansion
Dissipating weldering, use the mode that stage heats up in sintering process, the first stage is raised to 300 DEG C with the programming rate of 20 DEG C/min, protects
Temperature 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to room temperature；(4)
The circular hole that can put into copper pipe of bleeding is got out in the bleeding point position welded；Copper pipe is placed at bleeding point, and at auxiliary solder
Under help, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode using negative pressure to fill, takes out very at low temperature
After sky, by copper pipe, working medium is filled the working medium selected herein to soaking plate is deionized water；(6) after fill, by copper pipe mouth pressure
Flat and weld, it is ensured that soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surfacing of soaking plate
Degree.Due to deionized water, to have latent heat high, and surface tension is big and the advantage such as avirulence, in the present embodiment, selects deionization
Water is working medium.
In described soaking plate, the transmission of heat mainly has two approach: one is that working medium absorbs heat of vaporization in evaporation ends wick,
And in the release heat condensation of condensation end wick, by heat from evaporation ends band to condensation end, this is also the work of soaking plate phase-change heat transfer
Approach；Another is the existence due to support column, and heat can transmit from bottom to top by connecting the solid copper pin of upper and lower copper coin.
When heating power is 60 to 300W, in the effective condensation area of upper surface, the temperature difference of soaking plate upper surface is about 1 DEG C,
Illustrate that the Temperature Distribution of the soaking plate condensation end of the present embodiment is highly uniform.It is 1 × 1m in heating surface (area) (HS2Time, the thermal resistance of soaking plate
It is about 0.9K/W.
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion.Described heat pipe selects fork arrangement to put, refering to Fig. 4,
Its resemblance is NACA0018 aerofoil profile, and the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 cuts
The less one end of area is away from cooling fan.
The cross section of described radiating fin is symmetrical fusiform, and described radiating fin is crenation towards the edge of cooling fan,
It is zigzag that radiating fin cools down the edge of fan dorsad.Use continuous CO2Laser instrument carries out surface process to radiating fin: (1)
The multimode beam of described laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad, is gathered by the GaAs lens of focal length 300mm
Jiao is the hot spot of diameter about 2mm, and the surface of described dot projection to described radiating fin forms spaced pit；(2) exist
Cooling fin surfaces coated ceramic Particles dispersed coating under the protection of noble gas, after step (1) processes；(3) described
The multimode beam of laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad, the GaAs lens focus of focal length 300mm be
The hot spot of diameter about 5mm, the surface of described dot projection to described radiating fin carries out laser scanning.
After cladding laser surfaces processes, granular pottery is nested in the surface of radiating fin and forms projection, through step (1)
After process, the surface of radiating fin forms depression, and the therefore surface irregularity of radiating fin, roughness dramatically increases.Cooling gas
Body forms turbulent flow through out-of-date on the surface of radiating fin, improves heat dissipation capacity while increasing windage.In the case of wind speed is identical,
The radiating fin smooth compared to edge and surface, is crenation towards the edge of cooling fan, cools down the edge of fan dorsad
For zigzag, surface is that the noise of wavy radiating fin can reduce by 6～8dB.
Described cooling fan is placed in the middle relative to radiator.Described cooling fan includes blade, wheel hub, hydraulic stem, controller and bag
Enclose the framework that blade shields.Described blade surface is coated with sodium silicate thin film, lowers blade drag.Described framework includes
Outside framework and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator.Outside described
Being provided with flexible bellow between framework and inner frame, described outside framework is located at relative to the one of inner frame in one end of described flexible bellow
Side, the other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow in
Air channel is formed between outside framework and inner frame.One end of described hydraulic stem is articulated with described outside framework rotationally relative to inner frame
Side, the other end is articulated with the described inner frame side relative to outside framework the most rotationally.Described controller controls described hydraulic pressure
The extension of bar, compress and rotate.Described hydraulic stem can axially move outside framework, adjusts the axle between radiator and cooling fan
To spacing, after adjusting radiator and leaf position vertically, the maximum temperature of hub positions declines, and air themperature in radiator
The most uniform along radial direction distribution.Rotational hydraulic bar, outside framework can parallel relative to radiator move along different directions, according to
The air quantity of radiator certain part concrete is strengthened in the heat distribution situation local of radiator, promotes that it dispels the heat.
Adjusting radiator and blade vertically to after suitable distance, the maximum temperature of hub positions is dropped to by original 95.4 DEG C
86.6℃。
Embodiment four
Continuous transformer, including radiating module, described radiating module includes cooling down fan, radiator and soaking plate.Described cooling
Fan is installed on radiator side, and described soaking plate is installed on the lower section of radiator.
Refering to Fig. 1 and Fig. 2, described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, reality
Heart hexagonal copper post and copper powder ring.The thickness of described lower copper coin is less than upper copper coin so that lower copper coin can reduce thermal source to the thermal resistance of working medium,
And upper copper coin plays a supportive role.Upper copper powder sintering layer is sintered in the lower surface of copper coin, as the evaporation ends wick of soaking plate.
Lower copper powder sintering layer is sintered in the upper surface of lower copper coin, as the condensation end wick of soaking plate.Multiple described solid hexagonal copper posts
It is spaced on lower copper coin, is connected by copper bar between adjacent two solid hexagonal copper posts, form hex shape.Described reality
Heart hexagonal copper post one end is soldered to copper coin, and the other end is soldered to lower copper coin.Described copper powder ring wraps up solid hexagonal copper post, respectively
Connect evaporation ends wick and condensation end wick.
Described soaking plate manufacturing process is simple, low cost, the most also has extraordinary heat conductivity and excellent anti-dry performance.
Use the mode of the embedding solid hexagonal copper post of copper powder ring set as support column, enhance the mechanical strength of soaking plate, simultaneously copper powder ring with
Evaporation ends and condensation end wick contact, and form the path of working medium backflow.
Compared with relevant soaking plate, solid hexagonal copper post strengthens the mechanical strength of soaking plate.Be used alone solid hexagonal copper post phase
Ratio, the hex shape structure that multiple solid hexagonal copper posts are interconnected to form further enhances the mechanical strength of soaking plate.Not only
(during vacuum) support can be provided when internal pressure is less than external pressure, prevent soaking plate to be under atmospheric pressure crushed, with
Time (when working under high temperature) spacing between upper and lower copper coin can also be kept when internal pressure is more than external pressure, prevent all
Hot plate expands deformation.
In traditional soaking plate structure, working medium needs the side by soaking plate to return to evaporation ends from condensation end, therefore working medium
The path of backflow is longer, causes soaking plate efficiency low, and evaporating area dry-out easily occurs.And the copper powder ring used in this soaking plate
It is directly connected to evaporation ends and condensation end wick, as the path of working medium backflow, helps working medium to return to evaporation ends from condensation end.
The manufacturing process of this soaking plate is as follows: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over upper and lower copper
Plate inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder；(2)
Carrying out ultrasonic activation after copper powder is positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder ring；(3)
Solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, upper and lower by good for arrangement solid hexagonal copper post and copper powder ring
Copper coin is positioned in graphite jig fixing, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, carries out pressure expansion
Dissipating weldering, use the mode that stage heats up in sintering process, the first stage is raised to 300 DEG C with the programming rate of 20 DEG C/min, protects
Temperature 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to room temperature；(4)
The circular hole that can put into copper pipe of bleeding is got out in the bleeding point position welded；Copper pipe is placed at bleeding point, and at auxiliary solder
Under help, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode using negative pressure to fill, takes out very at low temperature
After sky, by copper pipe, working medium is filled the working medium selected herein to soaking plate is deionized water；(6) after fill, by copper pipe mouth pressure
Flat and weld, it is ensured that soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surfacing of soaking plate
Degree.Due to deionized water, to have latent heat high, and surface tension is big and the advantage such as avirulence, in the present embodiment, selects deionization
Water is working medium.
In described soaking plate, the transmission of heat mainly has two approach: one is that working medium absorbs heat of vaporization in evaporation ends wick,
And in the release heat condensation of condensation end wick, by heat from evaporation ends band to condensation end, this is also the work of soaking plate phase-change heat transfer
Approach；Another is the existence due to support column, and heat can transmit from bottom to top by connecting the solid copper pin of upper and lower copper coin.
When heating power is 60 to 300W, in the effective condensation area of upper surface, the temperature difference of soaking plate upper surface is about 1 DEG C,
Illustrate that the Temperature Distribution of the soaking plate condensation end of the present embodiment is highly uniform.It is 1 × 1m in heating surface (area) (HS2Time, the thermal resistance of soaking plate
It is about 0.9K/W.
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion.Described heat pipe selects fork arrangement to put, refering to Fig. 4,
Its resemblance is NACA0018 aerofoil profile, and the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 cuts
The less one end of area is away from cooling fan.
The cross section of described radiating fin is symmetrical fusiform, and the edge of described radiating fin is zigzag.Use continuous CO2
Laser instrument carries out surface process to radiating fin: (1) described laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad is many
Mould light beam, by the hot spot that GaAs lens focus is diameter about 2mm of focal length 300mm, described dot projection to described radiating fin
Surface form spaced pit；(2) the radiating fin table under the protection of noble gas, after step (1) processes
Topcoating covers ceramic particle composite coating；(3) multimode beam of described laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad,
By the hot spot that GaAs lens focus is diameter about 5mm of focal length 300mm, the surface of described dot projection to described radiating fin is entered
Row laser scanning.
After cladding laser surfaces processes, granular pottery is nested in the surface of radiating fin and forms projection, through step (1)
After process, the surface of radiating fin forms depression, and the therefore surface irregularity of radiating fin, roughness dramatically increases.Cooling gas
Body forms turbulent flow through out-of-date on the surface of radiating fin, improves heat dissipation capacity while increasing windage.In the case of wind speed is identical,
The radiating fin smooth compared to edge and surface, edge is zigzag and making an uproar through the machine-operated radiating fin to surface process
Sound can reduce by 4～5dB.
Described cooling fan is placed in the middle relative to radiator.Described cooling fan includes blade, wheel hub, hydraulic stem, controller and bag
Enclose the framework that blade shields.Described blade surface is coated with sodium silicate thin film, lowers blade drag.Described framework includes
Outside framework and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator.Outside described
Being provided with flexible bellow between framework and inner frame, described outside framework is located at relative to the one of inner frame in one end of described flexible bellow
Side, the other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow in
Air channel is formed between outside framework and inner frame.One end of described hydraulic stem is articulated with described outside framework rotationally relative to inner frame
Side, the other end is articulated with the described inner frame side relative to outside framework the most rotationally.Described controller controls described hydraulic pressure
The extension of bar, compress and rotate.Described hydraulic stem can axially move outside framework, adjusts the axle between radiator and cooling fan
To spacing, after adjusting radiator and leaf position vertically, the maximum temperature of hub positions declines, and air themperature in radiator
The most uniform along radial direction distribution.Rotational hydraulic bar, outside framework can parallel relative to radiator move along different directions, according to
The air quantity of radiator certain part concrete is strengthened in the heat distribution situation local of radiator, promotes that it dispels the heat.
Adjusting radiator and blade vertically to after suitable distance, the maximum temperature of hub positions is dropped to by original 97.1 DEG C
88.5℃。
Embodiment five
Continuous transformer, including radiating module, described radiating module includes cooling down fan, radiator and soaking plate.Described cooling
Fan is installed on radiator side, and described soaking plate is installed on the lower section of radiator.
Refering to Fig. 1 and Fig. 2, described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, reality
Heart hexagonal copper post and copper powder ring.The thickness of described lower copper coin is less than upper copper coin so that lower copper coin can reduce thermal source to the thermal resistance of working medium,
And upper copper coin plays a supportive role.Upper copper powder sintering layer is sintered in the lower surface of copper coin, as the evaporation ends wick of soaking plate.
Lower copper powder sintering layer is sintered in the upper surface of lower copper coin, as the condensation end wick of soaking plate.Multiple described solid hexagonal copper posts
It is spaced on lower copper coin, is connected by copper bar between adjacent two solid hexagonal copper posts, form hex shape.Described reality
Heart hexagonal copper post one end is soldered to copper coin, and the other end is soldered to lower copper coin.Described copper powder ring wraps up solid hexagonal copper post, respectively
Connect evaporation ends wick and condensation end wick.
Described soaking plate manufacturing process is simple, low cost, the most also has extraordinary heat conductivity and excellent anti-dry performance.
Use the mode of the embedding solid hexagonal copper post of copper powder ring set as support column, enhance the mechanical strength of soaking plate, simultaneously copper powder ring with
Evaporation ends and condensation end wick contact, and form the path of working medium backflow.
Compared with relevant soaking plate, solid hexagonal copper post strengthens the mechanical strength of soaking plate.Be used alone solid hexagonal copper post phase
Ratio, the hex shape structure that multiple solid hexagonal copper posts are interconnected to form further enhances the mechanical strength of soaking plate.Not only
(during vacuum) support can be provided when internal pressure is less than external pressure, prevent soaking plate to be under atmospheric pressure crushed, with
Time (when working under high temperature) spacing between upper and lower copper coin can also be kept when internal pressure is more than external pressure, prevent all
Hot plate expands deformation.
In traditional soaking plate structure, working medium needs the side by soaking plate to return to evaporation ends from condensation end, therefore working medium
The path of backflow is longer, causes soaking plate efficiency low, and evaporating area dry-out easily occurs.And the copper powder ring used in this soaking plate
It is directly connected to evaporation ends and condensation end wick, as the path of working medium backflow, helps working medium to return to evaporation ends from condensation end.
The manufacturing process of this soaking plate is as follows: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over upper and lower copper
Plate inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder；(2)
Carrying out ultrasonic activation after copper powder is positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder ring；(3)
Solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, upper and lower by good for arrangement solid hexagonal copper post and copper powder ring
Copper coin is positioned in graphite jig fixing, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, carries out pressure expansion
Dissipating weldering, use the mode that stage heats up in sintering process, the first stage is raised to 300 DEG C with the programming rate of 20 DEG C/min, protects
Temperature 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to room temperature；(4)
The circular hole that can put into copper pipe of bleeding is got out in the bleeding point position welded；Copper pipe is placed at bleeding point, and at auxiliary solder
Under help, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode using negative pressure to fill, takes out very at low temperature
After sky, by copper pipe, working medium is filled the working medium selected herein to soaking plate is deionized water；(6) after fill, by copper pipe mouth pressure
Flat and weld, it is ensured that soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surfacing of soaking plate
Degree.Due to deionized water, to have latent heat high, and surface tension is big and the advantage such as avirulence, in the present embodiment, selects deionization
Water is working medium.
In described soaking plate, the transmission of heat mainly has two approach: one is that working medium absorbs heat of vaporization in evaporation ends wick,
And in the release heat condensation of condensation end wick, by heat from evaporation ends band to condensation end, this is also the work of soaking plate phase-change heat transfer
Approach；Another is the existence due to support column, and heat can transmit from bottom to top by connecting the solid copper pin of upper and lower copper coin.
When heating power is 60 to 300W, in the effective condensation area of upper surface, the temperature difference of soaking plate upper surface is about 1 DEG C,
Illustrate that the Temperature Distribution of the soaking plate condensation end of the present embodiment is highly uniform.It is 1 × 1m in heating surface (area) (HS2Time, the thermal resistance of soaking plate
It is about 0.9K/W.
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion.Described heat pipe selects fork arrangement to put, refering to Fig. 4,
Its resemblance is NACA0018 aerofoil profile, and the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 cuts
The less one end of area is away from cooling fan.
The cross section of described radiating fin is symmetrical fusiform, and the edge of described radiating fin is crenation.Use continuous CO2
Laser instrument carries out surface process to radiating fin: (1) described laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad is many
Mould light beam, by the hot spot that GaAs lens focus is diameter about 2mm of focal length 300mm, described dot projection to described radiating fin
Surface form spaced pit；(2) the radiating fin table under the protection of noble gas, after step (1) processes
Topcoating covers ceramic particle composite coating；(3) multimode beam of described laser instrument output angle of divergence wavelength 10.6 μm less than 5mrad,
By the hot spot that GaAs lens focus is diameter about 5mm of focal length 300mm, the surface of described dot projection to described radiating fin is entered
Row laser scanning.
After cladding laser surfaces processes, granular pottery is nested in the surface of radiating fin and forms projection, through step (1)
After process, the surface of radiating fin forms depression, and the therefore surface irregularity of radiating fin, roughness dramatically increases.Cooling gas
Body forms turbulent flow through out-of-date on the surface of radiating fin, improves heat dissipation capacity while increasing windage.In the case of wind speed is identical,
The radiating fin smooth compared to flush edge and surface, edge is crenation and the radiating fin through Laser Surface Treatment
Noise can reduce by 5～6dB.
Described cooling fan is placed in the middle relative to radiator.Described cooling fan includes blade, wheel hub, hydraulic stem, controller and bag
Enclose the framework that blade shields.Described blade surface is coated with sodium silicate thin film, lowers blade drag.Described framework includes
Outside framework and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator.Outside described
Being provided with flexible bellow between framework and inner frame, described outside framework is located at relative to the one of inner frame in one end of described flexible bellow
Side, the other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow in
Air channel is formed between outside framework and inner frame.One end of described hydraulic stem is articulated with described outside framework rotationally relative to inner frame
Side, the other end is articulated with the described inner frame side relative to outside framework the most rotationally.Described controller controls described hydraulic pressure
The extension of bar, compress and rotate.Described hydraulic stem can axially move outside framework, adjusts the axle between radiator and cooling fan
To spacing, after adjusting radiator and leaf position vertically, the maximum temperature of hub positions declines, and air themperature in radiator
The most uniform along radial direction distribution.Rotational hydraulic bar, outside framework can parallel relative to radiator move along different directions, according to
The air quantity of radiator certain part concrete is strengthened in the heat distribution situation local of radiator, promotes that it dispels the heat.
Adjusting radiator and blade vertically to after suitable distance, the maximum temperature of hub positions is dropped to by original 96.4 DEG C
87.9℃。
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than to scope
Restriction, although having made to explain to the present invention with reference to preferred embodiment, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (2)
1. continuous transformer, it is characterised in that include that radiating module, described radiating module include cooling down fan, radiator and all
Hot plate；Described cooling fan is installed on radiator side, and described soaking plate is installed on the lower section of radiator；
Described soaking plate includes copper coin, lower copper coin, upper copper powder sintering layer, lower copper powder sintering layer, solid hexagonal copper post and copper powder
Ring, upper copper powder sintering layer is sintered in the lower surface of copper coin, and as the evaporation ends wick of soaking plate, lower copper powder sintering layer sinters
In the upper surface of lower copper coin, as the condensation end wick of soaking plate, multiple described solid hexagonal copper post rows of interval on lower copper coin
Row, are connected by copper bar between adjacent two solid hexagonal copper posts, form hex shape, and described solid hexagonal copper post one end is welded
Being connected to copper coin, the other end is soldered to lower copper coin, and described copper powder ring wraps up solid hexagonal copper post, connects evaporation ends wick respectively
With condensation end wick；
Described soaking plate is fabricated by by following operation: the upper and lower copper coin of (1) stamping-out molding, and is carried out；Copper powder is positioned over
Copper coin inner surface, vacates the position placing solid hexagonal copper post, and fixes with graphite jig, then carry out the sintering of copper powder up and down；
(2) carrying out ultrasonic activation after copper powder being positioned in ring-shaped graphite mould compacting, frequency of vibration is 10kHz, sinters out copper powder
Ring；(3) solid hexagonal copper post is positioned over, with copper powder ring, the position that lower copper coin is vacated, by good for arrangement solid hexagonal copper post and copper powder
Ring fixing during copper coin is positioned over graphite jig up and down, is then placed in high pressure combustion freezing of a furnace, with nitrogen as protection atmosphere, enters
Row pressure diffusion welds, and uses the mode that stage heats up in sintering process, and the first stage is raised to the programming rate of 20 DEG C/min
300 DEG C, it is incubated 10min, is then rapidly increased to 800 DEG C of inside holding 2 hours with the programming rate of 25 DEG C/min, is finally cooled to
Room temperature；(4) get out in the bleeding point position welded and can put into the circular hole of copper pipe of bleeding；Placement copper pipe at bleeding point, and
With the help of auxiliary solder, by high-frequency welding, copper pipe is welded together with soaking plate；(5) mode that negative pressure is filled is used,
After low temperature evacuation, working medium is filled to soaking plate by copper pipe；(6), after fill, copper pipe mouth is flattened and welds, it is ensured that
Soaking plate air-tightness；(7) finally soaking plate carried out hot pressing and cold pressing, it is ensured that the surface smoothness of soaking plate；
Described radiator includes that substrate, heat pipe and radiating fin, described radiating fin are parallel to each other and are perpendicular to horizontal plane, described
The evaporation ends surface of heat pipe extrudes plane, and is embedded in the surface of substrate portion；Described heat pipe selects fork arrangement to put, its resemblance
For NACA0018 aerofoil profile, the long-pending bigger one end of NACA0018 aerofoil section is towards cooling fan, and NACA0018 sectional area is less
One end is away from cooling fan；
The cross section of described radiating fin is symmetrical fusiform, and described radiating fin is crenation towards the edge of cooling fan,
It is zigzag that radiating fin cools down the edge of fan dorsad；Radiating fin is through following Laser Surface Treatment: (1) described laser instrument
The output angle of divergence multimode beam of wavelength 10.6 μm less than 5mrad, by the GaAs lens focus of focal length 300mm be diameter about
The hot spot of 2mm, the surface of described dot projection to described radiating fin forms spaced pit；(2) at noble gas
Cooling fin surfaces coated ceramic Particles dispersed coating under protection, after step (1) processes；(3) described laser instrument output
The multimode beam of angle of divergence wavelength 10.6 μm less than 5mrad, is diameter about 5mm by the GaAs lens focus of focal length 300mm
Hot spot, described dot projection to the surface of described radiating fin carries out laser scanning.
Continuous transformer the most according to claim 1, it is characterised in that described cooling fan include blade, wheel hub, hydraulic stem,
The framework that controller and encirclement blade shield；Described blade surface is coated with sodium silicate thin film；Described framework includes housing
Frame and inner frame, described blade and wheel hub be installed in outside framework, and described inner frame is fixed relative to radiator, described outside framework
And being provided with flexible bellow between inner frame, the described outside framework side relative to inner frame is located in one end of described flexible bellow,
The other end of described flexible bellow is located at the described inner frame side relative to outside framework so that described flexible bellow is in housing
Forming air channel between frame and inner frame, one end of described hydraulic stem is articulated with the described outside framework side relative to inner frame rotationally,
The other end is articulated with the described inner frame side relative to outside framework the most rotationally, and described controller controls prolonging of described hydraulic stem
Stretching, compress and rotate, described hydraulic stem can axially move outside framework, rotational hydraulic bar, and outside framework can be put down relative to radiator
Row moves along different directions；The edge of described radiating fin is crenation or zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389880.5A CN106017165A (en) | 2016-06-02 | 2016-06-02 | Continuous transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389880.5A CN106017165A (en) | 2016-06-02 | 2016-06-02 | Continuous transformer |
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| Publication Number | Publication Date |
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| CN106017165A true CN106017165A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610389880.5A Pending CN106017165A (en) | 2016-06-02 | 2016-06-02 | Continuous transformer |
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Application publication date: 20161012 |