CN106017172A - Latex continuous film-forming and drying device for synthetic rubber inspection - Google Patents

Latex continuous film-forming and drying device for synthetic rubber inspection Download PDF

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Publication number
CN106017172A
CN106017172A CN201610388051.5A CN201610388051A CN106017172A CN 106017172 A CN106017172 A CN 106017172A CN 201610388051 A CN201610388051 A CN 201610388051A CN 106017172 A CN106017172 A CN 106017172A
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China
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copper
soaking plate
copper powder
radiating fin
heat
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CN201610388051.5A
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Chinese (zh)
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吴本刚
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Individual
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Individual
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Priority to CN201610388051.5A priority Critical patent/CN106017172A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-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
    • F28D15/02Heat-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
    • F28D15/04Heat-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
    • F28D15/046Heat-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 characterised by the material or the construction of the capillary structure

Abstract

The invention relates to a latex continuous film-forming and drying device for synthetic rubber inspection. The latex continuous film-forming and drying device comprises a heat-dissipating module which comprises a cooling fan, a radiator and heat equalizing plates. The heat equalizing plates comprise an upper copper plate, a lower copper plate, an upper copper powder sintered layer, a lower copper powder sintered layer, solid hexagonal copper posts 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 plurality of solid hexagonal copper posts are arranged on the lower copper plate at intervals, and are connected through copper bars; and the solid hexagonal copper posts are packaged with the copper powder rings. A cross section of each heat-dissipating fin is in the shape of symmetrical spindles, wherein one side of each heat-dissipating fin is provided with circular teeth and the other side edge of each heat-dissipating fin is provided with saw teeth; and the surfaces of the heat-dissipating fins are laser-clad with ceramic particles. The cooling fan comprises frameworks and a hydraulic rod, wherein the frameworks comprise an outer framework and an inner framework; and a flexible corrugated tube is arranged between the outer framework and the inner framework. One end of the hydraulic rod is hinged to one side of the outer framework, and the other end of the hydraulic rod is hinged to one side of the inner framework. The latex continuous film-forming and drying device can improve heat-dissipating efficiency and also reduces noises.

Description

Latex continuous film forming drying device is used in synthetic rubber inspection
Technical field
The present invention relates to rubber materials, particularly relate to synthetic rubber inspection latex continuous film forming drying device.
Background technology
Heat abstractor plays the most crucial effect to the normal operation of drying device.But, in correlation technique, drying device Sink-efficiency is relatively low, and noise is bigger.
Summary of the invention
For the problems referred to above, present invention aim to address that current drying device radiation 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 synthetic rubber inspection latex continuous film forming drying device, Including radiating module, described radiating module includes cooling down fan, radiator and soaking plate.Described cooling fan is installed on radiator Side, 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
Synthetic rubber inspection use latex continuous film forming drying device, including radiating module, described radiating module include cooling 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
Synthetic rubber inspection use latex continuous film forming drying device, including radiating module, described radiating module include cooling 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
Synthetic rubber inspection use latex continuous film forming drying device, including radiating module, described radiating module include cooling 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
Synthetic rubber inspection use latex continuous film forming drying device, including radiating module, described radiating module include cooling 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
Synthetic rubber inspection use latex continuous film forming drying device, including radiating module, described radiating module include cooling 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. latex continuous film forming drying device is used in synthetic rubber inspection, it is characterised in that include radiating module, described radiating module Including cooling fan, radiator and soaking plate;Described cooling fan is installed on radiator side, and described soaking plate is installed on heat radiation The lower section of device;
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.
Synthetic rubber inspection latex continuous film forming drying device the most according to claim 1, it is characterised in that described cooling wind Fan includes the framework that blade, wheel hub, hydraulic stem, controller and encirclement blade shield;Described blade surface is coated with silicon Acid sodium thin film;Described framework includes that outside framework and inner frame, described blade and wheel hub are installed in outside framework, described inner frame phase Fixing for radiator, be provided with flexible bellow between described outside framework and inner frame, one end of described flexible bellow is located at described Outside framework is relative to the side of inner frame, and the other end of described flexible bellow is located at the described inner frame side relative to outside framework, Making described flexible bellow form air channel between outside framework and inner frame, one end of described hydraulic stem is articulated with described rotationally Outside framework is relative to the side of inner frame, and the other end is articulated with the described inner frame side relative to outside framework, institute the most rotationally Stating controller to control the extension of described hydraulic stem, compress and rotate, described hydraulic stem can axially move outside framework, rotational hydraulic Bar, outside framework can parallel relative to radiator move along different directions;The edge of described radiating fin is crenation or zigzag.
CN201610388051.5A 2016-06-02 2016-06-02 Latex continuous film-forming and drying device for synthetic rubber inspection Pending CN106017172A (en)

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