CN104690986B - Hybrid microwave heating and pressurizing device - Google Patents
Hybrid microwave heating and pressurizing device Download PDFInfo
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- CN104690986B CN104690986B CN201510109343.6A CN201510109343A CN104690986B CN 104690986 B CN104690986 B CN 104690986B CN 201510109343 A CN201510109343 A CN 201510109343A CN 104690986 B CN104690986 B CN 104690986B
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- microwave
- tank body
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- fluid
- heat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0855—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using microwave
Abstract
The invention discloses a hybrid microwave heating and pressurizing device which comprises a tank body, as well as a microwave generator, a fluid auxiliary temperature-regulating device, a vacuumizing device and a pressurizing device which are arranged on the tank body, the microwave generator is used for feeding microwaves into an inner cavity of the tank body and enabling a material in the tank body to generate self-heating, the fluid auxiliary temperature-regulating device is used for feeding an auxiliary temperature-regulating fluid into the inner cavity of the tank body so as to adjust the outside temperature of the material, and at least one of the microwave feed end, facing the inner cavity of the tank body, of the microwave generator, the fluid output end of the fluid auxiliary temperature-regulating device, the surface of the material or the inside of the material is provided with a temperature monitoring device for monitoring the temperature in real time. Microwaves are fed into the material in the inner cavity of the tank body by the microwave generator, and the temperature of the outer layer of the material is timely adjusted by the fluid auxiliary temperature-regulating device so as to prevent the problem that heat in the material is dissipated slowly and heat outside the material is dissipated quickly, in such a way, the temperature difference between inside and outside formed in the process of material curing is subducted, and the uniformity of a temperature field for material curing treatment in the tank body is ensured, thereby ensuring the quality of treated finished products.
Description
Technical field
The present invention relates to Hybrid Heating pressurized equipment field, especially, it is related to a kind of composite that is used for and solidifies, be used for pressing from both sides
Layer glass component glueds joint, pressue device is heated in the vulcanization of rubber and the microwave-hot blast/steam for the steam-cured production of pressure.
Background technology
Hot press forming technology has that quality of item is easily-controllable, surface and internal soundness concordance good it is easy to processing large scale type
The advantages of face complex component, be current domestic production laminated glass, vulcanization of rubber etc. glued joint component and glass fibre, carbon fiber,
The main moulding process of the resin base high strength composite component such as boron fibre, aramid fiber, has been widely used in chemical industry, army
The fields such as work, Aero-Space, electron electric power, automobile, the synthesis of laboratory new material.
With above-mentioned application industry, the maximization of composite element, complex structureization are required, autoclave is as compound
The hot-forming key equipment of material, gradually shows and leads to because temperature field is uneven composite element to solidify uneven, structure
The problems such as part deformation, hydraulic performance decline.
The method in the optimization autoclave temperature field commonly used at present mainly has two kinds.
First method is the prioritization scheme made for conventional electric heating type autoclave, that is, pass through to change heating water conservancy diversion
Endless form, set up insulation platform and reduce the mode homogenization temperature field such as heating rate.Essence due to said method is still
Conductive process from outward appearance to inner essence, though the thermograde inside and outside component can be reduced to a certain extent, greatly reduces production effect
Rate, increased production cost；And for baroque component, in solidification process, some positions of component are still difficult to be added
Heat, causes the quality decline of component.
Second method is to replace conventional Electric heating using microwave heating.Because microwave has the spy of body heating
Property, microwave heating need not be by heat transfer process from outward appearance to inner essence but by the mode self-heating such as own material dielectric loss, can
To be that material inside and outside heats simultaneously.It is therefore the effective ways optimizing composite element heating uniformity in theory.But,
With the increase of composite element size and thickness, component inside radiating is slow and external cooling is fast, thus can in component shape
Becoming low inside and high outside anti-outer temperature difference, equally can not solving composite element cured thermal field homogeneity question, thus leading
Cause component to be heated and uneven cause quality decline.
Content of the invention
The invention provides a kind of microwave and auxiliary microwave heat source Hybrid Heating pressue device, excellent to solve existing employing microwave
The method changing autoclave temperature field, when processing large scale and big thickness composite element, component inside radiating is outside slowly
Rapid heat dissipation, can form low inside and high outside anti-outer temperature difference in component, equally can not keep composite element cured temperature
The technical problem of degree field uniformity.
According to an aspect of the present invention, provide a kind of Microwave Hybrid Heating pressue device, including tank body, tank body is provided with
For to tank inner chamber feed-in microwave and make material in tank body produce the microwave generator of self-heating, for being passed through to tank inner chamber
Auxiliary temperature adjustable fluid assists register with the fluid adjusting material temperature outside, for distributing in material heat curing process
The vacuum extractor that extracts of gas and place position for pressurizeing to tank inner chamber and forcing material to be closely attached to material
Pressue device, microwave generator assists the fluid exit of register, material towards the microwave feed side of tank inner chamber, fluid
It is provided with the device for monitoring temperature for monitor in real time temperature in surface or material inside at least one.
Further, microwave generator, fluid auxiliary register, vacuum extractor, pressue device and monitoring temperature
Device connects plc controller respectively.Plc controller controls microwave to occur according to the temperature monitoring information that device for monitoring temperature exports
Device and fluid auxiliary register, to realize automatically adjusting thing in the thermal field uniformity of tank inner chamber and adjustment tank inner chamber
The inside and outside temperature difference of material.Plc controller needs according to the technique of material variety and material structure to adjust control vacuum means
Put to the evacuation degree around material, in order to realize automatically controlling the vacuum of material periphery, improve material and be attached to material
Place position stability, eliminate material in heat curing process emission gases to the impact causing in material processing procedure.Can
Selection of land, is enclosed with one layer of barrier layer around material, vacuum extractor directly acts in barrier layer, for controlling to packing materials
Obstruct in the layer evacuation degree.Plc controller needs according to the technique of material variety and material structure to adjust control
The compression levels to tank inner chamber for the pressue device, in order to realize automatically controlling the pressure of tank inner chamber, realize material and fit tightly
Place on position with being closely attached to material.Optionally, material is positioned on mould.
Further, microwave generator include for send microwave microwave source, for the microwave edge that sends microwave source
Unidirectional and the circulator ringwise conveying, the microwave being connected to circulator are let out ripple end and are used for consuming excessive microwave to ensure microwave
The water load of source safety, it is connected to the microwave outfan of circulator and for by the waveguide of microwave feed-in tank inner chamber and be used for
The microwave of waveguide feed-in is changed into oscillating microwave and is used for accommodating the resonant cavity of material.
Further, constitute for assisting temperature adjustable fluid to circulate between the outer wall of resonant cavity and the inwall of tank body
Circulation air path.
Further, fluid assists register to include the auxiliary thermal element for producing auxiliary hot fluid and be used for auxiliary heat
Fluid or the blower fan of cold flow body feeding tank inner chamber.
Further, auxiliary thermal element adopts the auxiliary thermal element of hot blast or the auxiliary thermal element of vapourss；Blower fan adopts centrifugal blower
Or axial flow blower；Blower fan carries motor；Fluid auxiliary register is sealedly connected on tank body by counter flange.
Further, it is provided with tank inner chamber for suppressing microwave convection body to assist the temperature adjustment function of register to be done
The wave suppression device disturbed；Fluid assists the auxiliary temperature adjustable fluid of register to enter tank inner chamber by wave suppression device.
Further, the internal face of tank body is stained with the heat-insulation layer for heat-insulation and heat-preservation；Heat-insulation layer be provided with two-layer or
Multilamellar, adhere to inner tank wall heat-insulation layer be ceramic fiber layer, towards tank inner chamber arrangement heat-insulation layer be composite every
Thermosphere.
Further, tank body is additionally provided with the pressure transducer for monitor in real time tank inner chamber pressure；Pressure transducer
And/or device for monitoring temperature is provided with micro-wave screening mechanism, micro-wave screening mechanism is included for preventing the excessive metal interface of microwave
Pipe, for preventing thermal insulation layer that heat leaks and located at induction end and for isolating the sealing coat of microwave.
Further, the outer surface of tank body is additionally provided with for isolating and reducing tank body hull-skin temperature and material is quick
The water-circulating cooling device of cooling；The opening of tank body is provided with tank door, between tank door and tank body on equipped with for being opened and closed opening of tank door
Door closer-holder.
The method have the advantages that
Microwave Hybrid Heating pressue device of the present invention, by microwave generator to the material feed-in microwave in tank inner chamber,
Mutually moved generation self-heating with material own material medium, thus heated to material inside and outside simultaneously, meanwhile, auxiliary by fluid
Help register that material exospheric temperature is adjusted in time, to prevent material from internal heat dissipating fast the asking of external cooling slowly occurring
Topic, the internal-external temperature difference that abatement material is formed in the curing process, the material cured temperature field in guarantee tank body is equal simultaneously
Even property, thus ensure the end product quality after processing；By required for device for monitoring temperature monitor in real time monitoring each position, from
And according to monitoring temperature data, adjust the Microwave emission frequency of microwave generator at any time and/or fluid assists the defeated of register
Go out temperature, thus ensureing Uniformity of Temperature Field residing for material it is ensured that internal and external temperature is consistent in material heat curing process,
Thus ensureing quality of finished；Need to take out to around material according to the technique of material variety and structure by vacuum extractor
Vacuum, the vacuum of timely control material periphery, pass through pressue device to applying high gas pressure in tank body simultaneously, make material
Structure is realized being close to, and is attached on material placement position, thus ensureing the Forming Quality of component.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is one of structural representation of Microwave Hybrid Heating pressue device of the preferred embodiment of the present invention；
Fig. 2 is the two of the structural representation of Microwave Hybrid Heating pressue device of the preferred embodiment of the present invention.
Marginal data:
1st, tank body；2nd, microwave generator；201st, microwave source；202nd, circulator；203rd, water load；204th, waveguide；205th, humorous
Shake cavity；3rd, fluid auxiliary register；301st, auxiliary thermal element；302nd, blower fan；4th, vacuum extractor；5th, device for monitoring temperature；
6th, plc controller；7th, circulation air path；8th, motor；9th, counter flange；10th, wave suppression device；11st, heat-insulation layer；12nd, pressurization dress
Put；13rd, tank door；14th, open/close device.
Specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention by being limited and can cover
Multitude of different ways implement.
Fig. 1 is one of structural representation of Microwave Hybrid Heating pressue device of the preferred embodiment of the present invention；Fig. 2 is this
The two of the structural representation of Microwave Hybrid Heating pressue device of bright preferred embodiment.
As depicted in figs. 1 and 2, the Microwave Hybrid Heating pressue device of the present embodiment, including tank body 1, tank body 1 is provided with use
In to tank body 1 inner chamber feed-in microwave and make material in tank body 1 produce the microwave generator 2 of self-heating, for leading to tank body 1 inner chamber
The fluid entering to assist temperature adjustable fluid to adjust material temperature outside assists register 3 and for dissipating in material heating process
The vacuum extractor 4 that extracts of gas sent out and placing for pressurizeing to tank body 1 inner chamber and forcing material to be closely attached to material
The pressue device 12 of position, microwave generator 2 assists the fluid of register 3 defeated towards the microwave feed side of tank body 1 inner chamber, fluid
Go out the device for monitoring temperature 5 being provided with end, surface of material or material inside at least for monitor in real time temperature.This
Bright Microwave Hybrid Heating pressue device, by microwave generator 2 to the material feed-in microwave in tank body 1 inner chamber, with material itself
Material medium is mutually moved generation self-heating, thus heated to material inside and outside simultaneously, meanwhile, assists register by fluid
3 pairs of material exospheric temperatures are adjusted in time, to prevent material from the internal heat dissipating fast problem of external cooling slowly, cut down thing
Expect the internal-external temperature difference being formed in the curing process, ensure the uniformity in the material cured temperature field in tank body 1 simultaneously, thus
End product quality after guarantee process；By each position of monitoring required for device for monitoring temperature 5 monitor in real time, thus according to temperature
Degree monitoring data, adjusts the Microwave emission frequency of microwave generator 2 at any time and/or fluid assists the output temperature of register 3,
Thus ensureing Uniformity of Temperature Field residing for material it is ensured that internal and external temperature is consistent, thus protecting in material heat curing process
Card quality of finished；Need to carry out evacuation to around material according to the technique of material variety and structure by vacuum extractor 4,
The vacuum of control material periphery in time, passes through pressue device simultaneously and applies high gas pressure in tank body 1, make the structure of material
Realization is close to, and is attached on material placement position, thus ensureing the Forming Quality of component.It is particularly well-suited to the material of composite
Solidification.Alternatively, microwave generator 2 is set to one, and waveguide 204 feed-in mouth is placed in position towards the material of tank body 1 inner chamber
The heart is arranged；Or microwave generator 2 is set to multiple, the direction of engagement of microwave source 201 and waveguide 204 is in two adjacent microwaves
It is mutually perpendicular on generator 2 arrange, and the center of insulation box body, feedback are deviateed in the feed-in direction of the waveguide engaging with microwave source
Enter the odd-multiple for microwave wavelength for the deviation distance that insulation box body center is deviateed in direction.The waveguide 204 of single microwave generator 2 is presented
Entrance places the center arrangement of position towards material, and microwave forms microwave field in tank body 1 inner chamber, and the center that position placed by material is micro-
The center of wave field, the free molecular flow being in the material of intracavity sintering zone in tank body 1 is affected to produce free charge movement by microwave field
Loss, bound charge turn to the dielectric loss such as polarization loss and heterointerface loss, thus reaching straight from electric energy to heat energy
Switching through, carries out the Even Sintering of material.When needing multiple microwave sources 201 to provide the high-power energy to carry out microwave sintering, adopt
The mode arranged is mutually perpendicular to microwave source 201 and the direction of engagement of waveguide 204 on two adjacent microwave generators 2, with
The deviation distance that the center that position placed by material is deviateed in the feed-in direction of Shi Weibo is the odd-multiple of microwave wavelength, to ensure each feed-in
The microwave energy of mouth forms and effectively shakes rather than cancel out each other, thus improving the service efficiency of microwave source, it is to avoid beat the phenomenons such as arc
The Problem of Failure of the non-life termination of microwave source leading to.
As depicted in figs. 1 and 2, in the present embodiment, microwave generator 2, fluid auxiliary register 3, vacuum extractor 4,
Pressue device 12 and device for monitoring temperature 5 connect plc controller 6 respectively.Plc controller 6 exports according to device for monitoring temperature 5
Temperature monitoring information control microwave generator 2 and fluid auxiliary register 3, to realize automatically adjusting the temperature of tank body 1 inner chamber
The inside and outside temperature difference of material in field uniformity and adjustment tank body 1 inner chamber.Plc controller 6 is according to material variety and material
The technique of structure needs to control vacuum extractor 4 to the evacuation degree around material to adjust, in order to realize automatically controlling thing
The vacuum of material periphery, improves material and is attached to the stability that position placed by material, eliminate material emission gases in heating process
To the impact causing in material processing procedure.Plc controller 6 needs according to the technique of material variety and material structure to adjust
Control the compression levels to tank body 1 inner chamber for the pressue device 12, in order to realize automatically controlling the pressure of tank body 1 inner chamber.Alternatively, thing
It is enclosed with one layer of barrier layer, vacuum extractor directly acts in barrier layer, for controlling the obstruct to packing materials around material
In the layer evacuation degree.Alternatively, barrier layer is vacuum bag, vacuum box.Plc controller is tied according to material variety and material
The technique of structure needs to control the compression levels to tank inner chamber for the pressue device to adjust, in order to realize automatically controlling tank inner chamber
Pressure, realizes material and fits tightly and be closely attached on material placement position.Optionally, material is positioned on mould.Alternatively,
Material is compound material, by pressue device 12, the structure of composite is realized being close between layers.
As depicted in figs. 1 and 2, in the present embodiment, microwave generator 2 include for send microwave microwave source 201, be used for
The microwave that microwave source 201 is sent is along circulator 202 that is unidirectional and ringwise conveying, the microwave that is connected to circulator 202 lets out ripple
The microwave output hold and be used for consume excessive microwave the water load 203 to ensure microwave source 201 safety, being connected to circulator 202
Hold the waveguide 204 of microwave feed-in tank body 1 inner chamber and be used for and be used for for the microwave of waveguide 204 feed-in being changed into oscillating microwave
And for accommodating the resonant cavity 205 of material.
As depicted in figs. 1 and 2, in the present embodiment, constitute between the inwall of the outer wall of resonant cavity 205 and tank body 1 and be used for
The circulation air path 7 that auxiliary temperature adjustable fluid circulates.
As depicted in figs. 1 and 2, in the present embodiment, fluid auxiliary register 3 includes the auxiliary heat for producing auxiliary hot fluid
Element 301 and the blower fan 302 for auxiliary hot fluid or cold flow body being sent into tank body 1 inner chamber.
As depicted in figs. 1 and 2, in the present embodiment, auxiliary thermal element 301 adopts the auxiliary thermal element of hot blast or vapourss auxiliary heat unit
Part.Blower fan 302 adopts centrifugal blower or axial flow blower.Blower fan 302 carries motor 8.Fluid auxiliary register 3 passes through
Counter flange 9 is sealedly connected on tank body 1.
As depicted in figs. 1 and 2, in the present embodiment, it is provided with tank body 1 inner chamber for suppressing microwave convection body auxiliary homoiothermic dress
Put the wave suppression device 10 that 3 temperature adjustment function is disturbed.Fluid assists the auxiliary temperature adjustable fluid of register 3 to pass through wave suppression device
10 entrance tank body 1 inner chambers.
As depicted in figs. 1 and 2, in the present embodiment, the internal face of tank body 1 is stained with the heat-insulation layer for heat-insulation and heat-preservation
11.Heat-insulation layer 11 is provided with two-layer or multilamellar, and the heat-insulation layer 11 adhering to tank body 1 inwall is ceramic fiber layer, towards in tank body 1
The heat-insulation layer 11 of chamber arrangement is composite heat shield.
In the present embodiment, tank body 1 is additionally provided with the pressure transducer for monitor in real time tank body 1 chamber pressure.Pressure passes
Sensor and/or device for monitoring temperature 5 are provided with micro-wave screening mechanism.Micro-wave screening mechanism is included for preventing the excessive metal of microwave
Mouthpiece, for preventing thermal insulation layer that heat leaks and located at induction end and for isolating the sealing coat of microwave.
In the present embodiment, the outer surface of tank body 1 is additionally provided with for isolating and reducing tank body 1 hull-skin temperature and material
The water-circulating cooling device of fast cooling.The opening of tank body 1 is provided with tank door 13, between tank door 13 and tank body 1 on equipped with being used for out
Close the open/close device 14 of tank door 13.
During enforcement, novel microwave-hot blast/steam that a kind of thermal efficiency is high, firing rate is fast, thermal field uniformity is good is provided to mix
Close heating pressue device.Including open/close device 14, tank door 13, tank body 1, microwave generator 2, fluid auxiliary register 3, protect
Warm layer 11, vacuum extractor 4, device for monitoring temperature 5, pressure transducer, pressue device 12, water-circulating cooling device and plc control
Device 6.
Tank door 13 and its open/close device 14 are arranged at tank body 1 one end, and fluid auxiliary register 3 (includes air cooling system
And auxiliary thermal element) it is arranged at the other end of tank body 1；Heat-insulation layer 11 adheres on tank body 1 inwall；Microwave generator 2 is arranged at tank
Outside body 1；Vacuum extractor 4, device for monitoring temperature 5, pressue device 12 and pressure transducer are arranged on tank body 1.
Microwave generator 2 is distributed in tank body 1 surrounding, and it is right in resonant cavity 205 that the microwave that it produces is entered by waveguide 204
Material carries out heat temperature raising and insulation, and feed-in waveguide 204 adopts pressure seal.
Water-circulating cooling device is placed in resonant cavity 205 one end, for realizing the quick cooling of material.
The specific implementation of auxiliary thermal element does not limit, and can be provided using the mode such as hot blast, steam, can pass through electrothermal tube, electricity
Hot pin, resistance wire, steam boiler etc. form as thermal source, then by blower fan, air channel, and are provided required for workpiece by temperature control system
Auxiliary hot temperature.
The flange that vacuum extractor 4 passes through on tank body 1 is connected with vacuum pump, pipeline, vacuum meter and vacuum valve etc., to encapsulation
Composite material prefabricated component (material) provide vacuum condition.
Device for monitoring temperature 5 connects temperature measurer by the several flanges on tank body 1 and carries out multi-point temperature measurement to tank body 1, each
Point for measuring temperature connects the microwave generator 2 of corresponding warm area and auxiliary thermal element, and the temperature data detecting is by plc controller 6 algorithmically
Carry out calculating and timely control.
Pressue device 12 passes through flange and compressor, air accumulator, pressure-control valve, pipeline, pressure transmitter on tank body 1
Connect with pressure gauge etc., realize pressure transmission and control.Carry out the monitor in real time of pressure by pressure transducer.
Water-circulating cooling device is used for tank body 1, tank door 13, open/close device 14, microwave generator 2 or fluid are assisted to be adjusted
Warm device 3 is cooled down.
Plc controller 6 is used for assisting register 3, vacuum extractor 4, monitoring temperature dress to microwave generator 2, fluid
Put 5, pressue device 12, water-circulating cooling device carries out integrated operation and monitoring.
Using said apparatus, multiple spot survey is carried out to circulation air path 7 and microwave generator 2 respectively by device for monitoring temperature 5
Temperature, carries out temperature-compensating by plc controller 6 calculating temperature difference, by algorithm adjustment concurrent heating system power, that is, passes through fluid auxiliary
Help register 3 to become and temperature equal temperature barrier in component in microwave heating member profile, make component inside and outside formation temperature phase
Deng homogeneous temperature field, thus realizing optimizing temperature field.
By using hot blast conduction of heat mode of heating, carrying out strengthening auxiliary heat to the member exterior of microwave heating, in component
The more uniform temperature field of outer formation；Auxiliary heat in the case of, microwave heating enable the faster rate of heat addition heated up and
Material will not be made to deform due to thermal stress or ftracture, therefore its efficiency of heating surface is high, process cycle is short and low (the programming rate of energy consumption
Up to process cycle can shorten 50%, and energy consumption can reduce by 30%)；The optimization in temperature field makes the concordance on component inside and surface
More preferably, adopt pressure microwave feedthrough simultaneously, realize the pressurized treatments of microwave-hot blast/steam, improve the bonding processing component
Intensity.Thus serviceability (specific strength, specific stiffness, heat-resisting, corrosion-resistant, resisting fatigue, the damping performance of solidification component can be improved
Deng).
This equipment is assisted to microwave heating technique using heating techniques such as hot blast, steam, makes outside microwave heating component
Form isothermal barrier, improve the Uniformity of Temperature Field in autoclave.Using pressure microwave feedthrough, realize bearing of this equipment
Air pressure 10mpa.
Microwave-auxiliary hot fluid Hybrid Heating pressue device, tank body 1 adopts horizontal pressure stainless steel tank body, depending on specifically used
Temperature arranges water-cooling jacket outside tank body, to ensure that tank body 1 is notheated deformation effect voltage endurance capability.
Tank door 13 and its open/close device 14 are arranged at tank body 1 one end.Fluid auxiliary register 3 is arranged at tank body 1
The other end, is separated by wave suppression device 10.Microwave generator 2 is arranged at tank body 1 surrounding；Vacuum extractor 4, device for monitoring temperature 5
And pressue device 12 is arranged on tank body 1.
Microwave generator 2 is by groups such as microwave source 201, circulator 202, water load 203, waveguide 204 resonant cavity bodies 205
Become.Microwave energy feed-in mode adopts pressure feed-in mode such as antenna feed-in, pressure blind plate feed-in, pressure porcelain cup feed-in etc..Humorous
Shaking cavity 205 can be using circular cylindrical cavity, tetragon cavity or polygon cavity.It is provided with material loading trolley in resonant cavity 205
B, for placing the material a such as required mould during solidification, workpiece.
Water-circulating cooling device is used for realizing the fast cooling of material a.Water-circulating cooling device can take water collar, cooling gas
Realize etc. mode.
Fluid auxiliary register 3 is made up of auxiliary thermal element 301, blower fan 302 and motor 8 etc., and it is between tank body 1
The counter flange 9 that is connected by be tightly connected.Wherein auxiliary thermal element 301 can be implemented in modes such as the auxiliary heat of hot blast, the auxiliary heat of steam, its
The auxiliary heat of middle hot blast can be to be carried out using modes such as heating rod, resistance wires；The modes such as steam auxiliary thermal recovery boiler are realized.Blower fan 302
The circulation of air-flow can be realized using the mode such as centrifugal blower, axial flow blower.
The effect of wave suppression device 10 is that suppression microwave assists thermoregulating system and hot fluid auxiliary thermoregulating system to cold flow body
Interference, makes the cold flow body of two systems generations and hot-fluid physical ability enter circulation air path 7 by steel plate and realize cooling and auxiliary heat simultaneously.Follow
Ring air channel 7 is formed with resonant cavity 205 outer wall, resonance inner chamber by tank body 1 inwall.
Heat-insulation layer 11 adheres on tank body 1 inwall, and heat-insulation layer 11 is made up of two-layer or multilayer material, and wherein internal layer is pottery
Fibrous layer, outer layer is composite heat shield.
Vacuum extractor 4 is used for realizing the demand of evacuation in the barrier layer of packing materials, makes barrier layer in solidification process
Interior holding vacuum, thus quickly eliminate material in heat curing process the impact to material for the produced gas it is ensured that
The Forming Quality of component.
Device for monitoring temperature 5 is located at tank body 1 side, using Multipoint temperature-control mode respectively to hot blast region and Hybrid Heating area
Domain carries out temperature control, and each temperature control point connects microwave generator 2 and the fluid auxiliary register 3 of corresponding warm area, the temperature detecting
Degrees of data is carried out calculating and timely control by certain algorithm by plc controller 6.
Pressue device 12 is located above tank body 1, using micro-wave screening design, to prevent microwave accurate to pressure transducer temperature control
The really interference of property, realizes the high gas pressure in tank body 1 so that material fits tightly and is closely attached to places material simultaneously
On mould it is ensured that component solidification Forming Quality.
Plc controller 6 is realized to microwave generator 2, water-circulating cooling device, fluid auxiliary register 3, vacuum extractor
4th, device for monitoring temperature 5, control pressurer system, water-circulating cooling device, carry out integrated operation and monitoring.
Above-mentioned microwave-auxiliary hot fluid Hybrid Heating pressue device, quick, the uniform curing process of achievable composite,
Wherein in the attainable 10mpa of cured process, the technological requirement that 500 DEG C for the treatment of temperature.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of Microwave Hybrid Heating pressue device, including tank body (1),
It is characterized in that,
Described tank body (1) is provided with for described tank body (1) inner chamber feed-in microwave and so that the material in described tank body (1) is produced
The microwave generator (2) of self-heating, for described tank body (1) inner chamber be passed through auxiliary temperature adjustable fluid to adjust material temperature outside
Fluid assists register (3), for the vacuum extractor (4) that extracts the gas distributing in material heating process and be used for
Pressurize to described tank body (1) inner chamber and force material to be closely attached to the pressue device (12) that position placed by material,
Described microwave generator (2) assists register (3) towards the microwave feed side of described tank body (1) inner chamber, described fluid
Fluid exit, be provided with temperature for monitor in real time temperature in described surface of material or described material inside at least one
Degree supervising device (5), by each position of monitoring required for described device for monitoring temperature (5) monitor in real time, thus according to temperature
Degree monitoring data, adjusts Microwave emission frequency and/or the described fluid auxiliary register of described microwave generator (2) at any time
(3) output temperature, thus ensure Uniformity of Temperature Field residing for material it is ensured that internal and external temperature is protected in material heat curing process
Hold consistent, thus ensureing quality of finished；
Described microwave generator (2) include for send microwave microwave source (201), for described microwave source (201) is sent
Microwave along circulator (202) that is unidirectional and ringwise conveying, the microwave that is connected to described circulator (202) lets out ripple end and is used for
Consume excessive microwave to ensure the water load (203) of described microwave source (201) safety, to be connected to the micro- of described circulator (202)
Wave output terminal is simultaneously used for the waveguide (204) of tank body (1) inner chamber described in microwave feed-in and is used for described waveguide (204) feed-in
Microwave be changed into oscillating microwave and for accommodating the resonant cavity (205) of material；
It is provided with described tank body (1) inner chamber and carry out for the temperature adjustment function suppressing microwave to assist register (3) to described fluid
The wave suppression device (10) of interference, the effect of described wave suppression device (10) is that suppression microwave assists thermoregulating system and hot-fluid to cold flow body
Body assists the interference of thermoregulating system, makes the cold flow body of two systems generations and hot-fluid physical ability enter circulation air path by steel plate simultaneously
(7) cooling and auxiliary heat are realized；Described circulation air path (7) is by described tank body (1) inwall and resonant cavity (205) outer wall, resonance
Chamber is formed；Described fluid assists the auxiliary temperature adjustable fluid of register (3) to enter described tank body by described wave suppression device (10)
(1) inner chamber.
2. Microwave Hybrid Heating pressue device according to claim 1 it is characterised in that
Described microwave generator (2), described fluid auxiliary register (3), described vacuum extractor (4), described pressue device
And described device for monitoring temperature (5) connects plc controller (6) respectively (12).
3. Microwave Hybrid Heating pressue device according to claim 1 it is characterised in that
Constitute for assisting temperature adjustable fluid recycle stream between the outer wall of described resonant cavity (205) and the inwall of described tank body (1)
Dynamic circulation air path (7).
4. Microwave Hybrid Heating pressue device according to claim 1 it is characterised in that
Described fluid assists register (3) to include the auxiliary thermal element (301) for producing auxiliary hot fluid and be used for auxiliary heat
Fluid or the blower fan (302) of cold flow body feeding tank body (1) inner chamber.
5. Microwave Hybrid Heating pressue device according to claim 4 it is characterised in that
Described auxiliary thermal element (301) adopts the auxiliary thermal element of hot blast or the auxiliary thermal element of vapourss；
Described blower fan (302) adopts centrifugal blower or axial flow blower；
Described blower fan (302) carries motor (8)；
Described fluid auxiliary register (3) is sealedly connected on described tank body (1) by counter flange (9).
6. Microwave Hybrid Heating pressue device according to any one of claim 1 to 5 it is characterised in that
Heat-insulation layer (11) for heat-insulation and heat-preservation is stained with the internal face of described tank body (1)；
Described heat-insulation layer (11) is provided with two-layer or multilamellar, and the described heat-insulation layer (11) adhering to described tank body (1) inwall is pottery
Porcelain fibrous layer, the described heat-insulation layer (11) towards described tank body (1) cavity arrangements is composite heat shield.
7. Microwave Hybrid Heating pressue device according to any one of claim 1 to 5 it is characterised in that
Pressure transducer for tank body described in monitor in real time (1) chamber pressure is additionally provided with described tank body (1)；
Described pressure transducer and/or described device for monitoring temperature (5) are provided with micro-wave screening mechanism,
Described micro-wave screening mechanism is included for preventing the excessive metal interface pipe of microwave, the thermal insulation layer for preventing heat from leaking
And located at induction end and for isolating the sealing coat of microwave.
8. Microwave Hybrid Heating pressue device according to any one of claim 1 to 5 it is characterised in that
It is additionally provided with the outer surface of described tank body (1) for isolating and reducing described tank body (1) hull-skin temperature and material is fast
The water-circulating cooling device of prompt drop temperature；
The opening of described tank body (1) is provided with tank door (13), between described tank door (13) and described tank body (1) on equipped with being used for out
Close the open/close device (14) of described tank door (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510109343.6A CN104690986B (en) | 2015-03-12 | 2015-03-12 | Hybrid microwave heating and pressurizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109343.6A CN104690986B (en) | 2015-03-12 | 2015-03-12 | Hybrid microwave heating and pressurizing device |
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| CN104690986A CN104690986A (en) | 2015-06-10 |
| CN104690986B true CN104690986B (en) | 2017-01-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080174B (en) * | 2018-10-15 | 2020-08-04 | 南京航空航天大学 | Microwave high-pressure curing device for composite material |
| CN109367059B (en) * | 2018-12-07 | 2024-01-26 | 中南大学 | Microwave curing device for composite material |
| CN109435277B (en) * | 2018-12-07 | 2024-02-20 | 中南大学 | Heating and curing device for resin matrix composite |
| CN113465394A (en) * | 2021-05-27 | 2021-10-01 | 中国工程物理研究院材料研究所 | Multi-field coupling microwave sintering device and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139532A (en) * | 2014-06-27 | 2014-11-12 | 南京航空航天大学 | Uniform temperature distribution method and curing device for microwave-pressure curing composite material |
| CN104236302A (en) * | 2014-09-16 | 2014-12-24 | 湖南华冶微波科技有限公司 | Microwave generating device and microwave high-temperature air pressure device with microwave generating device |
| CN204547096U (en) * | 2015-03-12 | 2015-08-12 | 湖南华冶微波科技有限公司 | Microwave Hybrid Heating pressue device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139532A (en) * | 2014-06-27 | 2014-11-12 | 南京航空航天大学 | Uniform temperature distribution method and curing device for microwave-pressure curing composite material |
| CN104236302A (en) * | 2014-09-16 | 2014-12-24 | 湖南华冶微波科技有限公司 | Microwave generating device and microwave high-temperature air pressure device with microwave generating device |
| CN204547096U (en) * | 2015-03-12 | 2015-08-12 | 湖南华冶微波科技有限公司 | Microwave Hybrid Heating pressue device |
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