CN107104262B - A kind of method and cavity resonator structure improving microwave cavity magnetic distribution uniformity - Google Patents
A kind of method and cavity resonator structure improving microwave cavity magnetic distribution uniformity Download PDFInfo
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- CN107104262B CN107104262B CN201710228622.3A CN201710228622A CN107104262B CN 107104262 B CN107104262 B CN 107104262B CN 201710228622 A CN201710228622 A CN 201710228622A CN 107104262 B CN107104262 B CN 107104262B
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- 238000009826 distribution Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 54
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 11
- 239000007769 metal material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000011415 microwave curing Methods 0.000 description 3
- 239000011157 advanced composite material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
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Abstract
A kind of microwave resonance cavity method and structure improving magnetic distribution uniformity, it is characterized in that multiple strong-electromagnetic field regions and light current field region are arranged in microwave resonance cavity, different zones are separated by isolation boundary with holes, the electromagnetic field of light current field region is heated object and is heated in light current field region by strong field feed-in after the multiple reflections of boundary.The present invention can effectively improve the magnetic distribution uniformity for being heated object place light current field region, reduce product and solidify the temperature difference.
Description
Technical field
The present invention relates to a kind of Composites Molding Techniques, especially a kind of Composite Microwave forming technique, specifically
Say it is a kind of method that can improve microwave cavity magnetic distribution uniformity and microwave resonance cavity configuration.
Background technique
Advanced composite material has that specific strength and specific modulus are high, anti-fatigue performance is good, corrosion resistance and good and integrally formed
Property many excellent characteristics such as good, widely apply composite material not only can significantly mitigate the construction weight of aircraft on aircraft, mention
The performance of high aircraft can also greatly reduce amount of parts, simplify tooling, be conducive to carry out big component assembling, accelerate manufacture week
Phase.Application site is from secondary load-carrying construction to main force support structure transition, and composite material is widely used in various control surfaces, wing at present
With the primary load bearings position such as fuselage.Multiple material on complex-curved component using more and more, as air intake duct, frame sections, pressure every
Frame etc..Component develops to integrally formed, co-curing direction, can significantly reduce the quantity of part, fastener and mold, significantly
Ground reduces assembly process, is the important measures of composite structure loss of weight, and reduce a kind of effective ways of cost.
Currently, the main moulding process of advanced composite material is solidification of hot-press tank technique.By composite material and molding die
It is sent into autoclave after encapsulation, temperature-pressure curing molding.Solidification of hot-press tank technique heats composite material with heat exchange pattern, multiple
The temperature difference inside condensation material is big；All material includes that gas medium is both needed to be heated to high temperature in tank body, and energy consumption is high, cure cycle
Long, low efficiency.Microwave curing composite technology is a kind of technology of potential substitution autoclave, can be inside and outside while equal
Even heating composite material, heating speed are fast.During microwave curing, composite material is only heated, other materials and gas are situated between in tank
Matter does not heat, and low energy consumption, and cure cycle is short, high-efficient.
Microwave is with heating speed is fast, temperature is easily controllable, low energy consumption, selectivity heats, can be to large-scale and thicker
Complex structural member the advantages that being heated, widely applied in industrial circle and sphere of life.However microwave resonance
The surrounding of chamber is metal material, and microwave can be reflected in metal wall surface in transmission process.Incidence wave and back wave by be superimposed into
One step forms standing wave.During heating, the node of fixed standing wave and antinode can on being heated object formation temperature cold spot
And hot spot, it being unevenly distributed so as to cause object temperature is heated, the local temperature difference of 200mm size parts is even as high as to 60 DEG C,
To become the main bottleneck of limitation microwave heating development.To solve the above problems, existing way be using multichannel microwave source,
The methods of mode stirrer is to avoid forming fixed cold spot and hotspot's distribution in a certain region.Although however, multichannel microwave source
Improve the uniformity of microwave field to a certain extent, but since the number of microwave source is by the limit of microwave resonance chamber size and cost
System can only change to a certain degree and burn original electromagnetic field, can not effectively improve electromagnetism distributing homogeneity.Mode stirrer passes through reflection
The microwave magnetic distribution single to avoid formation, it is identical as the improvement principle in multichannel microwave source, it can not equally improve resonant cavity
The uniformity of interior electromagnetic field.
Summary of the invention
To attain heating temperature uniformity poor the purpose of the present invention is being led for existing microwave cavity due to microwave reflection,
The problem of influencing heating effect and material, a kind of method that can improve microwave cavity magnetic distribution uniformity is invented,
A kind of microwave resonance cavity that can improve microwave cavity magnetic distribution uniformity is designed simultaneously.
Technical solution of the present invention first is that:
A kind of method that can improve microwave cavity magnetic distribution uniformity, it is characterized in that by microwave resonance cavity
Middle setting isolation boundary with holes, is separated into strong-electromagnetic field region and light current field region, light current field regions for microwave resonance cavity
The electromagnetic field in domain by the electromagnetic field of strong field after the boundary multiple reflections of the two, it is incident via the hole on isolation boundary with holes
To light current magnetic area；Microwave source is formed on isolation boundary hole, is heated after intercoupling and interfere between the microwave source of enormous amount
It is placed in the heating target of light current field region, greatly reduces the area size of cold spot and hot spot, so that it is humorous to improve microwave
It shakes intracavitary magnetic distribution uniformity；Cold spot and hot spot characterize non-uniform magnetic distribution in cavity, and cold spot is standing wave
Node, hot spot are the antinode of standing wave.
Mode stirrer can be increased in strong-electromagnetic field region in order to further increase uniformity to increase electromagnetic field in forceful electric power
The reflection of field region and boundary.
The isolation boundary with holes is using not wave transparent heat-resisting material.
The not wave transparent heat-resisting material is metal material or the material being made of light material internal layer and metal surface.
The isolation boundary surface shape with holes is plane or complex-curved；Isolation boundary with holes can be single boundary
Or by multiple single boundary combinations at polygon cavity；The status requirement of isolation boundary with holes is not parallel to nearest microwave
Resonant cavity wall surface, the required distance minimum value with microwave resonance cavity wall surface are 1/4 wavelength, and maximum value is 4 wavelength；
Isolation boundary with holes uses welding, riveting, screw thread with wall surface, support column or hinge to connect in the intracavitary fixing means of microwave resonance
Connect mechanical connection or the splicing, the on-mechanical connection of electromagnetic adsorption class of class；The support column that uses or hinge class connecting material is non-
Metal material；The shape in hole is rectangle on isolation boundary with holes, and waist type is round and cross；Aperture on isolation boundary with holes
Size increases with increasing at a distance from antenna for radiating microwave, and the diameter in hole or length are not less than electromagnetic field wavelength in cavity
1/4, Kong Yukong between the shortest distance be equally not less than the 1/4 of electromagnetic field wavelength；The arragement direction in hole can single direction arrangement
It multidirectional can also arrange.
Multichannel microwave antenna assembly is set in microwave resonance cavity outside wall surface；Microwave generating apparatus emits microwave, and passes through
The coupling device of overshoot antenna or microwave resonance cavity contact position can be controlled separately to inside cavity feed-in microwave, power
Control can also be combined；Microwave frequency range is 300MHz~300GHz；Microwave frequency can immobilize or according to 20MHz's or more
Range linearly or nonlinearly changes；Microwave aerial assembly can be Waveguide slot antenna, flagpole antenna, circular loop antenna, helical day
One of line, electromagnetic horn or microstrip antenna are a variety of.
Technical solution of the present invention second is that:
A kind of microwave resonance cavity that can improve microwave cavity magnetic distribution uniformity, it is characterized in that it includes polygon
Shape outer chamber 2, microwave aerial assembly 1 are mounted on the outer chamber 2, are equipped in outer chamber 2 by isolation boundary group with holes
At inner chamber body 3, heating target is mounted in inner chamber body 3；The microwave that microwave aerial assembly 1 emits is in inner chamber body 3 and outer chamber 2
Between add after multiple reflections through being formed the light current magnetic area that microwave source is incident in inner chamber body 3 by the hole on isolation boundary with holes
Heat is placed in the heating target of light current field region；After intercoupling and interfere between the microwave source of enormous amount, greatly subtract
The small area size of cold spot and hot spot.
Mode stirrer is equipped between outer chamber 2 and inner chamber body 3 to increase electromagnetic field on strong-electromagnetic field region and boundary
Reflection.
For the isolation boundary with holes using not wave transparent heat-resisting material, the not wave transparent heat-resisting material is metal material
Material or the material being made of light material internal layer and metal surface.
The isolation boundary surface shape with holes is plane or complex-curved；Isolation boundary with holes can be single boundary
Or by multiple single boundary combinations at polygon cavity；The status requirement of isolation boundary with holes is not parallel to nearest microwave
Resonant cavity wall surface, the required distance minimum value with microwave resonance cavity wall surface are 1/4 wavelength, and maximum value is 4 wavelength；
Isolation boundary with holes uses welding, riveting, screw thread with wall surface, support column or hinge to connect in the intracavitary fixing means of microwave resonance
Connect mechanical connection or the splicing, the on-mechanical connection of electromagnetic adsorption class of class；The support column that uses or hinge class connecting material is non-
Metal material；The shape in hole is rectangle on isolation boundary with holes, and waist type is round and cross；Aperture on isolation boundary with holes
Size increases with increasing at a distance from antenna for radiating microwave, and the diameter in hole or length are not less than electromagnetic field wavelength in cavity
1/4, Kong Yukong between the shortest distance be equally not less than the 1/4 of electromagnetic field wavelength；The arragement direction in hole can single direction arrangement
It multidirectional can also arrange.
Beneficial effects of the present invention:
The present invention proposes that a kind of new thinking solves the non-uniform problem of the intracavitary electromagnetic field of microwave resonance, significantly improves chamber
The uniformity of internal electromagnetic field.Realize that heating member overall temperature difference is no more than 3 degrees Celsius of excellent uniform temperature, temperature uniformity improves
20 times or more.
Detailed description of the invention
Fig. 1 is resonant cavity structural schematic diagram of the invention.
Fig. 2 is through-hole schematic diagram on inner chamber body wall surface of the invention.
In figure: 1 being antenna assembly, 2 be outer chamber, 3 be inner chamber body.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one.
As shown in Figs. 1-2.
A kind of method that can improve microwave cavity magnetic distribution uniformity, by the way that band is arranged in microwave resonance cavity
Microwave resonance cavity is separated into strong-electromagnetic field region and light current field region, the electromagnetism of light current field region by hole isolation boundary
After the boundary multiple reflections of the two, light current magnetic is incident on via the hole on isolation boundary with holes by the electromagnetic field of strong field in field
Region；Microwave source is formed on isolation boundary hole, heating is placed in weak after intercoupling and interfere between the microwave source of enormous amount
The heating target of electromagnetic field greatly reduces the area size of cold spot and hot spot, to improve the intracavitary electricity of microwave resonance
Distribution of Magnetic Field uniformity；Cold spot and hot spot characterize non-uniform magnetic distribution in cavity, and cold spot is the node of standing wave, hot spot
For the antinode of standing wave.It can be existed to further increase uniformity in strong-electromagnetic field region increase mode stirrer with increasing electromagnetic field
The reflection in strong-electromagnetic field region and boundary.The isolation boundary with holes using not wave transparent heat-resisting material such as metal material or by
The material of light material internal layer and metal surface composition.The isolation boundary surface shape with holes is plane or complex-curved；
Isolation boundary with holes can for single boundary or by multiple single boundary combinations at polygon cavity；Isolation boundary with holes
Status requirement is not parallel to nearest microwave resonance cavity wall surface, and the required distance minimum value with microwave resonance cavity wall surface is
1/4 wavelength, maximum value are 4 wavelength；Isolation boundary with holes uses and wall surface, support in the intracavitary fixing means of microwave resonance
Welding, riveting, the mechanical connection for being threadedly coupled class or the splicing of column or hinge, the on-mechanical of electromagnetic adsorption class connect；It uses
Support column or hinge class connecting material are nonmetallic materials；The shape in hole is rectangle, waist type, circle and ten on isolation boundary with holes
Font；Bore size on isolation boundary with holes increases with increasing at a distance from antenna for radiating microwave, and the diameter in hole or
Length is equally not less than the 1/4 of electromagnetic field wavelength not less than the shortest distance between 1/4, Kong Yukong of electromagnetic field wavelength in cavity；
The arragement direction in hole can single direction arrangement multidirectional can also arrange.Multichannel microwave day is set in microwave resonance cavity outside wall surface
Line apparatus；Microwave generating apparatus emits microwave, and by the coupling device of radiating antenna or microwave resonance cavity contact position to
Inside cavity feed-in microwave, power, which can be controlled separately, can also combine control；Microwave frequency range is 300MHz~300GHz；It is micro-
Wave frequency rate can immobilize or linearly or nonlinearly change according to the range of 20MHz or more；Microwave aerial assembly can be waveguide
Leaky antenna, one of flagpole antenna, circular loop antenna, spiral antenna, electromagnetic horn or microstrip antenna or a variety of.
Specific to Fig. 1,2 and side, key of the invention are that one layer of wall surface group as shown in Figure 2 is placed inside outer chamber 2
Inner chamber body 3 made of conjunction.The weak region in the region and electromagnetic field that entire cavity is divided into electromagnetic field intensity by inner chamber body 3.Microwave is from outer
Antenna assembly 1 on cavity 2 is incident on 3 wall surface of inner chamber body, and intensive microbeam becomes via inside and outside cavity wall surface multiple reflections
It must disperse, the microwave then dispersed is incident on light current field region via the hole on 3 wall surface of inner chamber body, and heats and be heated pair
As.
The microwave curing frequency that this example uses is 2450 ± 30MHz.Being heated object is galss fiber reinforced resin base
Composite material, having a size of 500mm*500mm.Antenna assembly 1 uses leaky antenna in this example.Interior 2 section of outer chamber is using just
Heptagon, and a wall surface of the intersection face inner chamber body 3 of 2 liang of wall surfaces of outer chamber.The side length of outer chamber 2 is 1m, inner chamber body 2
Side length is 0.8m.The central axis difference of interior outer chamber is no more than 5mm.3 epithyrid of inner chamber body uses round rectangle hole, such as Fig. 2 institute
Show.Its length and width is respectively 3cm and 1cm.Adjacent round rectangle hole center is away from not less than 6cm.In addition, on outer chamber 2
The size of antenna assembly 1, round rectangle hole is bigger, and farthest round rectangle hole length and width is respectively 6cm and 2cm.
Microwave source is connected with microwave transmission antenna, and the other end of microwave transmission line is connected with leaky antenna, microwave
It is generated by microwave source, is radiated in outer chamber 2 by leaky antenna.The hole eventually passed through in inner chamber body 3 is radiated glass
Glass fiber-reinforced resin matrix compound material.The experimental results showed that comparing original cavity design method, galss fiber reinforced resin
Based composites surface maximum temperature difference is reduced to 3 DEG C from original 25 DEG C, and the temperature for significantly improving material microwave heating is uniform
Property.
Embodiment two.
As shown in Figs. 1-2.
A kind of microwave resonance cavity that can improve microwave cavity magnetic distribution uniformity, it includes polygon outer chamber
2, as shown in Figure 1, microwave aerial assembly 1 is mounted on the outer chamber 2, as shown in Figure 2 with holes is equipped in outer chamber 2
The inner chamber body 3 of isolation boundary composition, heating target are mounted in inner chamber body 3；The microwave that microwave aerial assembly 1 emits is in inner chamber body
Between 3 and outer chamber 2 after multiple reflections through by the hole on isolation boundary with holes formed microwave source be incident on it is weak in inner chamber body 3
Heat the heating target for being placed in light current field region in electromagnetic spectrum；Between the microwave source (hundreds and thousands of) of enormous amount mutually
After coupling and interference, the area size of cold spot and hot spot is greatly reduced.When it is implemented, can also be in outer chamber 2 and inner cavity
Blender is set between body 3 to increase electromagnetic field in the reflecting effect in strong-electromagnetic field region and boundary.The isolated border with holes
It boundary should be using not wave transparent heat-resisting material, such as metal material or the material being made of light material internal layer and metal surface.It is with holes
Isolation boundary surface shape can be plane or complex-curved；Isolation boundary with holes can be for single boundary or by multiple single boundaries
The polygon cavity being combined into；The status requirement of isolation boundary with holes is not parallel to nearest microwave resonance cavity wall surface,
Required distance minimum value with microwave resonance cavity wall surface is 1/4 wavelength, and maximum value is 4 wavelength；Isolation boundary with holes exists
The intracavitary fixing means of microwave resonance uses and the welding of wall surface, support column or hinge, riveting, the mechanical connection for being threadedly coupled class
Or it is glued, the connection of the on-mechanical of electromagnetic adsorption class；The support column or hinge class connecting material used is nonmetallic materials；It is with holes every
Shape from hole on boundary is rectangle, and waist type is round and cross；Bore size on isolation boundary with holes with microwave spoke
The distance for penetrating antenna increases and increases, and between 1/4, the Kong Yukong of the diameter in hole or length not less than electromagnetic field wavelength in cavity
The shortest distance is equally not less than the 1/4 of electromagnetic field wavelength；The arragement direction in hole can single direction arrangement multidirectional can also arrange.
The working principle of the invention is:
Multiple strong-electromagnetic field regions and light current field region are set in microwave resonance cavity, and different zones are by isolation with holes
Boundary separates, the electromagnetic field of light current field region by strong field electromagnetic field feed-in after the boundary multiple reflections of the two.
The hole of isolation boundary enormous amount is converted to new microwave source, emits microwave.Hole microwave source intercouples and interferes, so that
Cold spot in original resonant cavity is substantially reduced with spot size and mutual spacing distance, significantly improves electromagnetic field in resonant cavity
Uniformity.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalents or equivalence replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (2)
1. a kind of microwave cavity body method for improving magnetic distribution uniformity, it is characterised in that: in microwave resonance cavity
Multiple strong-electromagnetic field regions and light current field region are set, and different zones are separated by isolation boundary with holes, light current field region
Electromagnetic field by strong field electromagnetic field feed-in after the boundary multiple reflections of the two, heating be placed in light current field region
Heating target；The isolation boundary with holes is using not electromagnetic wave transparent material；The length in hole is not less than cavity on the isolation boundary with holes
The 1/4 of interior electromagnetic field wavelength, and the shortest distance is equally not less than the 1/4 of electromagnetic field wavelength between Kong Yukong；It is described it is with holes every
It is plane or complex-curved from border surface shape；Isolation boundary with holes be single boundary or by multiple single boundary combinations at
Polygon cavity；The status requirement of isolation boundary with holes is not parallel to nearest microwave resonance cavity wall surface, with microwave resonance
The required distance minimum value of cavity wall surface is 1/4 wavelength, and maximum value is 4 wavelength；Isolation boundary with holes is in microwave cavity
Interior fixing means uses and the welding of wall surface, support column or hinge, riveting, the mechanical connection for being threadedly coupled class or splicing, electricity
The on-mechanical of magnetic subordinate class connects；The support column or hinge class connecting material used is nonmetallic materials；On isolation boundary with holes
The shape in hole is rectangle, and waist type is round and cross；Bore size on isolation boundary with holes with antenna for radiating microwave
Distance increases and increases, and the arragement direction in hole is single direction arrangement or multidirectional arrangement.
2. a kind of microwave resonance cavity that can improve microwave cavity magnetic distribution uniformity, it is characterized in that it includes polygon
Outer chamber (2), microwave aerial assembly (1) are mounted on the outer chamber (2), are equipped in outer chamber (2) by isolation with holes
The inner chamber body (3) of boundary composition, heating target are mounted in inner chamber body (3)；The microwave of microwave aerial assembly (1) transmitting is in inner cavity
Microwave source is formed by the hole on isolation boundary with holes after multiple reflections between body (3) and outer chamber (2) and is incident on inner chamber body
(3) the light current magnetic area heating in is placed in the heating target of light current field region；After intercoupling and interfere between microwave source,
Reduce the area size of cold spot and hot spot；The isolation boundary surface shape with holes is plane or complex-curved；Isolation with holes
Boundary be single boundary or by multiple single boundary combinations at polygon cavity；The status requirement of isolation boundary with holes is not parallel
In nearest microwave resonance cavity wall surface, the required distance minimum value with microwave resonance cavity wall surface is 1/4 wavelength, maximum
Value is 4 wavelength；Isolation boundary with holes is in the intracavitary fixing means of microwave resonance using the weldering with wall surface, support column or hinge
Connect, rivet, being threadedly coupled mechanical connection or the splicing, the on-mechanical connection of electromagnetic adsorption class of class；The support column or hinge of use
Class connecting material is nonmetallic materials；The shape in hole is rectangle on isolation boundary with holes, and waist type is round and cross；It is with holes every
Increase from borderline bore size with increasing at a distance from antenna for radiating microwave, and the diameter in hole or length are not less than chamber
The shortest distance is equally not less than the 1/4 of electromagnetic field wavelength between 1/4, Kong Yukong of internal electromagnetic field wavelength；The arragement direction in hole
For single direction arrangement or multidirectional arrangement.
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| CN201710228622.3A CN107104262B (en) | 2017-04-10 | 2017-04-10 | A kind of method and cavity resonator structure improving microwave cavity magnetic distribution uniformity |
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| CN108366446B (en) * | 2018-04-13 | 2021-01-12 | 南京航空航天大学 | Microwave heating temperature field control method based on time-varying electromagnetic field |
| CN109655446B (en) * | 2019-01-22 | 2021-03-30 | 重庆大学 | Triangular resonant cavity/integrating sphere combined enhancement cavity for improving gas Raman intensity |
| CN113766689B (en) * | 2021-09-22 | 2023-02-03 | 四川大学 | Microwave heating structure, method and system |
| CN114666932B (en) * | 2022-04-07 | 2022-11-18 | 湖南大学 | Method for improving uniformity of electromagnetic field in cavity of static microwave resonant cavity |
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| CN101127413A (en) * | 2007-08-21 | 2008-02-20 | 西安电子科技大学 | Microwave resonance cavity |
| CN202374485U (en) * | 2011-12-20 | 2012-08-08 | 湖南省中晟热能科技有限公司 | Slot antenna for microwave furnace |
| CN103587130A (en) * | 2013-10-15 | 2014-02-19 | 南京航空航天大学 | Method and device for curing fiber-reinforced resin-based composite material component by utilizing microwaves |
| CN105655724A (en) * | 2016-03-07 | 2016-06-08 | 南京航空航天大学 | Microwave antenna for composite material microwave solidification |
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- 2017-04-10 CN CN201710228622.3A patent/CN107104262B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127413A (en) * | 2007-08-21 | 2008-02-20 | 西安电子科技大学 | Microwave resonance cavity |
| CN202374485U (en) * | 2011-12-20 | 2012-08-08 | 湖南省中晟热能科技有限公司 | Slot antenna for microwave furnace |
| CN103587130A (en) * | 2013-10-15 | 2014-02-19 | 南京航空航天大学 | Method and device for curing fiber-reinforced resin-based composite material component by utilizing microwaves |
| CN105655724A (en) * | 2016-03-07 | 2016-06-08 | 南京航空航天大学 | Microwave antenna for composite material microwave solidification |
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