CN209418461U - A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing - Google Patents
A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing Download PDFInfo
- Publication number
- CN209418461U CN209418461U CN201820856153.XU CN201820856153U CN209418461U CN 209418461 U CN209418461 U CN 209418461U CN 201820856153 U CN201820856153 U CN 201820856153U CN 209418461 U CN209418461 U CN 209418461U
- Authority
- CN
- China
- Prior art keywords
- microwave
- ultraviolet
- gap
- ultraviolet light
- light combination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
The utility model relates to microwave electrodeless lamp fields, refer to a kind of gap coaxial excitation device for microwave and ultraviolet light combination curing, solve the problems, such as microwave in the prior art or ULTRAVIOLET CURABLE MATERIAL toughness low technical, a kind of gap coaxial excitation device for microwave and ultraviolet light combination curing of the utility model, the non-homogeneous coaxial burst of ultraviolel device that cracks including being provided with microwave feedthrough, gap coaxial waveguide, spectrometer and power meter, electrodeless ultraviolet lamp, described crack is that three column gap spacing are different, the vertical gap that gap quantity is successively decreased, by microwave and ultraviolet light to material solidification, the utility model passes through microwave and ultraviolet light combination curing, greatly improve cured efficiency and effect；Device disclosed by the utility model is radiated by feed-in microwave through the non-homogeneous coaxial device to crack, away from electrodeless ultraviolet lamp is placed at the unit 1mm that cracks, electric field is uniformly distributed at ultraviolet lamp, is generated ultraviolet, microwave is radiated simultaneously, realizes ultraviolet and microwave dual cure function.
Description
Technical field
The utility model relates to microwave electrodeless lamp fields, particularly relate to a kind of for microwave and ultraviolet light combination curing
Gap coaxial excitation device.
Background technique
Microwave curing is the result that the material that is cured is acted on using the fuel factor of electromagnetic field.Microwave is to the material that is cured
Fuel factor is to change material structure.Ultraviolet curing refers to that wavelength has to destroy in the ultraviolet light of 180~400nm range and is consolidated
The effect for changing the molecular structure in material, to reach cured effect.Especially ultraviolet light of the wavelength for 253.7nm, solidification
It acts on most strong.
In terms of microwave, for Cucumber, such as glass, plastics and porcelain, microwave be almost complete penetration and
It is not absorbed, influences microwave heating effect and weakens the ability to cure of microwave；Water and certain foods etc. are absorbed by microwave and make micro-
Wave energy conversion is thermal energy, is solidified by fuel factor；To metal class thing, microwave can be then totally reflected.It is purple in terms of ultraviolet light
The penetration power of outside line is weak, short irradiation solidification effect is unsatisfactory, and cured effective distance is also very short.Therefore, one is needed
The Dual curing methods that the new and effective microwave ultraviolet of kind combines.
Utility model content
A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing disclosed by the utility model can control
Microwave and ultraviolet ratio, and can ensure the ultraviolet intensity of microwave-excitation.
The technical solution of the utility model is achieved in that designing one kind using the method for Fdtd Method is used for
The gap coaxial excitation device of microwave and ultraviolet light combination curing, mostly in reference between each gap spacing and quantity to electricity
The influence of field uniformity finally determines slotting structure are as follows: quantity is cracked from successively successively decreasing from feedback wave side, first is classified as three,
Second is classified as two, and third column one vertical gap respectively arranges spacing between gap and differs, then by FDTD method to design
The device in the ultraviolet integrated source of the coaxial coupling microwaves in gap out carries out the analog simulation of electromagnetic field, obtains away from the unit 1mm that cracks
Electric Field Numerical, whether meet the requirements finally by Matlab programming and testing electric field and uniformity.
A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing connects microwave source and without extreme ultraviolet
Lamp, electrodeless ultraviolet lamp are a kind of ultraviolet lamp devices based on parabolic reflector, and front end is BJ-22 rectangular waveguide, middle part transition
Section is rectangular horn, and rear end is to load paraboloidal rectangular cavities, and cavity end is short-circuit face；Wherein use is provided in the middle part of paraboloid
Enter the narrow rectangular channel of rear end cavity in microwave coupling.
Further, the coaxial waveguide of the uneven slotting structure three column gaps be respectively three crack, two open
Seam cracks with one；The width that cracks is 4mm -6mm.
It is connected with the non-homogeneous coaxial burst of ultraviolel device that cracks of microwave feedthrough, the microwave feedthrough includes micro-
Wave source, circulator, load, coupler, the same conversion equipment of wave, for exciting the gap coaxial waveguide of ultraviolet lamp, spectrometer is also wrapped
Power meter is included, the PCU Power Conditioning Unit connects microwave feedthrough.
Further, the microwave source refers to microwave magnetron source or semiconductor solid-state source.
Further, the wave is used for rectangular wave port TE with conversion equipment10Mould is converted into on-axis wave port TEM mould.
Further, the power meter refers to power when monitoring microwave-excitation ultraviolet lamp, excites for accurately detecting
Input power and reflection power in journey, further include dual directional coupler, and the dual directional coupler is set to circulator and seam
Between gap coaxial waveguide, it to be used for coupling input power and reflection power.
Further, the spectrometer is placed in electrodeless ultraviolet lamp side, and the absorption spectrum for electrodeless ultraviolet lamp measures.
A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing described in the utility model, by setting
It sets BJ-22 rectangular waveguide, rectangular horn to connect with paraboloidal rectangular cavities are loaded, and opens up in paraboloid and unevenly crack
Structure, the microwave given off are 4:6 with the ultraviolet energy inspired, realize microwave and ultraviolet light combination curing；Electric field is in purple
It is uniformly distributed at outer lamp, further increases curing efficiency；Gradual change type gap structure makes region of discharge obtain higher and uniform electricity
Field intensity, cambered surface reflection electromagnetic wave improve the utilization efficiency of microwave, and under low input power, the field strength in ultraviolet lamp is enough
Uniformly, and the stronger ultraviolet light of light intensity is generated.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1: microwave and ultraviolet dual cure flow chart.
Fig. 2: microwave-excitation ultraviolet lamp system figure；
Fig. 3: gap coaxial waveguide arrangement schematic diagram；
Fig. 4: gap coaxial excitation device；
Fig. 5: epoxy resin cure scanning electron microscope (SEM) photograph under combination curing；
Fig. 6: single ultraviolet lower epoxy resin cure scanning electron microscope (SEM) photograph；
1, microwave source；2, circulator；3, coupler；4, it loads；5, the same conversion equipment of wave；6, spectrometer；7, power meter；8,
Gap coaxial waveguide；9, it cracks；10, ultraviolet lamp；11, plasma；12, outer conductor outer diameter；13, inner conductor internal diameter；14, Duan Lu
Face；15, BI-22 rectangular waveguide；16, horn diaphragm.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 1 microwave and ultraviolet dual cure flow chart, microwave ultraviolet one source radiation goes out microwave and excitation is ultraviolet,
Microwave curing is in material using the fuel factor collective effect of electromagnetic field as a result, ultraviolet curing principle is to utilize ultraviolet radiator
The irradiation intensity that pipe irradiation intensity, i.e. ultraviolet curing lamp issue, is inversely proportional at a distance from the material that is cured.The utility model
A kind of microwave for giving off in the gap coaxial excitation device of microwave and ultraviolet light combination curing with inspire
Ultraviolet energy is 4:6, can use microwave curing in this way, also can ultraviolet curing.
As shown in Fig. 2 microwave-excitation ultraviolet lamp system figure, a kind of gap for microwave and ultraviolet light combination curing is coaxial
Excitation apparatus, the non-homogeneous 9 coaxial burst of ultraviolel devices that crack including being provided with microwave feedthrough, the microwave feedthrough
Including microwave source 1, circulator 2, load 4, coupler 3, wave with conversion equipment 5, for exciting the gap coaxial waveguide of ultraviolet lamp
8, spectrometer 6 further includes an electrodeless ultraviolet lamp 10, further includes power meter 7, the PCU Power Conditioning Unit connection microwave feed-in dress
It sets.
Further, three column gaps of the coaxial waveguide of the uneven slotting structure are respectively three and crack 9, two and open
Seam 9 and one crack 9；9 width that crack are 4mm -6mm.
Preferably, the electrodeless ultraviolet lamp is a kind of ultraviolet lamp device based on parabolic reflector, and front end is BJ-22 square
Shape waveguide 15, middle part changeover portion are rectangular horn waveguide 16, and rear end is to load paraboloidal rectangular cavities, and cavity end is short circuit
Face 14；It is wherein provided with the rectangle for entering rear end cavity for microwave coupling in the middle part of paraboloid and cracks 9.
As shown in the coaxial excitation device of the gap Fig. 4, after ultraviolet lamp 10 is excited, the light of generation is through parabolic reflector from chamber
Body back-end metal mesh enclosure transmits in parallel, carries out simulation calculation, Surface microwave to the cavity using the full-wave simulation method based on FEM
Enough crack from paraboloid rectangle of field energy is coupled into cavity in 9, and electric field most strength is located just at 10 body upper and lower side of ultraviolet lamp.
Incident 2450MHz, 400W microwave, electric field strength reach as high as 6.45 × 104V/m, which has been enough to excite the lamp
Generate ultraviolet light.
Further, the microwave source 1 refers to microwave magnetron source 1 or semiconductor solid-state source.
Further, the wave is used for rectangular wave port TE with conversion equipment 510Mould is converted into on-axis wave port TEM mould.
Further, the power meter 7 refers to power when monitoring microwave-excitation ultraviolet lamp, excites for accurately detecting
Input power and reflection power in journey further include dual directional coupler 3, the dual directional coupler 3 be set to circulator 2 with
Between gap coaxial waveguide 8, it to be used for coupling input power and reflection power.
Further, the spectrometer 6 is placed in no 10 lamp side of extreme ultraviolet, and the absorption spectrum for electrodeless purple 10 outer lamp is surveyed
Amount.
A kind of method of microwave and ultraviolet light combination curing, by microwave and ultraviolet light to material solidification.The ultraviolet light
It can be the ultraviolet harness of electrodeless ultraviolet lamp irradiation.
Specific solidification process the following steps are included:
A, pass through 1 feed-in microwave of microwave source；
B, input power size is monitored with power meter 7, adjusting microwave source 1 makes input power in 3W or so.
Further, the step B particularly can excite microwave ultraviolet according to what FDTD method emulation data obtained
The lowest power of lamp 10.
Further, by controlling the anode current of microwave source 1 (magnetron) or passing through the control of microwave source 1 (Solid Source)
Voltage signal is come the control of power when realizing that microwave source 1 excites ultraviolet lamp.
As shown in 8 schematic device of the gap Fig. 3 coaxial waveguide, coaxial outer waveguide outer wall fluting is for placing ultraviolet lamp tube 10
And fluting can increase electric field strength in ultraviolet lamp 10 at identical exciting power 3W, unevenly crack 9 in waveguide slot, institute
It states to crack and 9 refers to three column gap spacing are different, gap quantity is successively decreased vertical gap, ultraviolet lamp 10 is placed in gap coaxial waveguide
In slot, it can guarantee that the electric field in 10 pipe of ultraviolet lamp is that uniformly, the rightmost side is short-circuit face 14 in this way；
It is based on a model 52-16 on cured influence that the structure of gradual change type gap structure, which is based on field uniformity,
The hard coaxial line of standard, short circuit terminates, the 2.45GHz that impinging microwave is run with certain frequency, coaxial line overall length 340mm, close to 3
λ p (λ p is waveguide wavelength) is to obtain higher and uniform electric field strength in region of discharge；6 on the coaxial waveguide outer conductor of gap
A gap, first group there are three gaps, second group two, third group one, further increase the uniformity of field strength.When fluting all
5mm is remained, fixed ultraviolet lamp is facilitated, reflection electromagnetic wave improves the utilization efficiency of microwave.
With the utility model and it is single it is ultraviolet do epoxy resin cure comparison, such as epoxy resin cure under Fig. 5 combination curing
Shown in scanning electron microscope (SEM) photograph and the mono- ultraviolet lower epoxy resin cure scanning electron microscope (SEM) photograph of Fig. 6, the epoxy resin of single ultraviolet curing is passed through
Scanning electron microscopic observation, break surface is thicker, and crackle is smaller, illustrates that cured epoxy resin enbrittles fracture.Microwave ultraviolet
The micro-crack of epoxy resin break surface is radially spread after solidification, and crack propagation is crack propagation.The result shows that epoxy resin
There are micro-crack and plastic deformation between matrix, has the characteristics that uniform, fineness is big, crackle stops phenomenon, absorb more
Impact energy achievees the effect that toughening, reinforcing.
Certainly, without departing substantially from the spirit of the present invention and its essence, those skilled in the art should
Various corresponding changes and modifications can be made according to the utility model, but these corresponding changes and modifications all should belong to this reality
With the protection scope of novel the attached claims.
Claims (4)
1. a kind of gap coaxial excitation device for microwave and ultraviolet light combination curing connects microwave source, it is characterised in that: packet
Including electrodeless ultraviolet lamp is a kind of ultraviolet lamp device based on parabolic reflector, and front end is BJ-22 rectangular waveguide, middle part changeover portion
For rectangular horn, rear end is to load paraboloidal rectangular cavities, and cavity end is short-circuit face；It is wherein provided with and is used in the middle part of paraboloid
Microwave coupling enters the narrow rectangular channel of rear end cavity.
2. a kind of gap coaxial excitation device for microwave and ultraviolet light combination curing according to claim 1, special
Sign is: the narrow rectangular channel is three column gaps, respectively three crack, two crack and crack with one；The width that cracks
For 4mm -6mm.
3. a kind of gap coaxial excitation device for microwave and ultraviolet light combination curing according to claim 1 or 2,
It is characterized in that: further including microwave source, the microwave source refers to industrial microwave magnetron source or semiconductor solid-state source.
4. a kind of gap coaxial excitation device for microwave and ultraviolet light combination curing according to claim 1, special
Sign is: further including that spectrometer is placed in electrodeless ultraviolet lamp side, the absorption spectrum for electrodeless ultraviolet lamp measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856153.XU CN209418461U (en) | 2018-06-04 | 2018-06-04 | A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856153.XU CN209418461U (en) | 2018-06-04 | 2018-06-04 | A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418461U true CN209418461U (en) | 2019-09-20 |
Family
ID=67929844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820856153.XU Active CN209418461U (en) | 2018-06-04 | 2018-06-04 | A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209418461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978785A (en) * | 2022-12-19 | 2023-04-18 | 四川大学 | Coaxial slotted radiator, continuous flow liquid heating system and heating method |
-
2018
- 2018-06-04 CN CN201820856153.XU patent/CN209418461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115978785A (en) * | 2022-12-19 | 2023-04-18 | 四川大学 | Coaxial slotted radiator, continuous flow liquid heating system and heating method |
| CN115978785B (en) * | 2022-12-19 | 2024-03-19 | 四川大学 | Coaxial slotting radiator, continuous flow liquid heating system and heating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108514856A (en) | A kind of method and its device of microwave and ultraviolet light combination curing | |
| Yuan et al. | Designs and experiments of a novel radial line slot antenna for high-power microwave application | |
| CN208512520U (en) | A kind of device of microwave and ultraviolet light combination curing | |
| CN100574003C (en) | Microwave resonance cavity | |
| CN102439690B (en) | Light source powered by microwaves | |
| CN107155256A (en) | A kind of surface wave plasma device | |
| CN102569950B (en) | Microwave photonic crystal mode converter | |
| CN105161390A (en) | Novel metamaterial high-power microwave source | |
| CN110430631B (en) | Coaxial CTS antenna for microwave heating | |
| CN209418461U (en) | A kind of gap coaxial excitation device for microwave and ultraviolet light combination curing | |
| JP2004529480A (en) | Circulating microwave heating device | |
| CN104900478B (en) | Large-power microwave electrodeless ultraviolet lamp based on microwave excitation, and preparing method thereof | |
| CN103219567A (en) | Metamaterial mode converter | |
| CN106058618A (en) | Terahertz radiation source based on multi-mode simultaneous coherent excitation | |
| CN107104262A (en) | A kind of method and cavity resonator structure for improving microwave cavity magnetic distribution uniformity | |
| CN111620407A (en) | Novel microwave electrodeless ultraviolet lighting structure and lighting mode thereof | |
| Huang et al. | Repetitive Operation of an $ S $-Band 1-GW Relativistic Klystron Amplifier | |
| CN211019303U (en) | Microwave feed-in structure | |
| CN201681794U (en) | Microwave cavity and double-waveguide microwave plasma lamp | |
| CN209845424U (en) | High-power high-efficiency multipurpose microwave plasma torch | |
| CN110868771A (en) | Microwave feed-in structure | |
| CN210840115U (en) | Coaxial CTS antenna for microwave heating | |
| CN201114975Y (en) | Resonance cavity device for electronic rotary resonance plasm source | |
| Liang et al. | Design of a new water load for S-band 750 kW continuous wave high power klystron used in EAST tokamak | |
| CN205081201U (en) | Toper G line RF transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |