FI122203B - Vågledarelement - Google Patents
Vågledarelement Download PDFInfo
- Publication number
- FI122203B FI122203B FI20085855A FI20085855A FI122203B FI 122203 B FI122203 B FI 122203B FI 20085855 A FI20085855 A FI 20085855A FI 20085855 A FI20085855 A FI 20085855A FI 122203 B FI122203 B FI 122203B
- Authority
- FI
- Finland
- Prior art keywords
- waveguide
- width
- waveguide element
- segments
- heating
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 39
- 230000005684 electric field Effects 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 38
- 239000002023 wood Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011120 plywood Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/78—Arrangements for continuous movement of material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
- H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
- H01P5/024—Transitions between lines of the same kind and shape, but with different dimensions between hollow waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
- H01P3/123—Hollow waveguides with a complex or stepped cross-section, e.g. ridged or grooved waveguides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/70—Feed lines
- H05B6/701—Feed lines using microwave applicators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/70—Feed lines
- H05B6/707—Feed lines using waveguides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
Claims (9)
1. Vägledarelement, väri vägledarelementet (6) är i form av ett rek-tangulärt rör tillverkat av ett material som leder elektricitet, vilket vägledarelement (6) omfattar 5 en ingängsport (31) med ett standard rektangulärt tvärsnitt, väri in- gängsportens bredd är öa i grundmodens elektriska fälts riktning, en utgängsport (37) med ett förstorat rektangulärt tvärsnitt, varvid utgängsportens (37) bredd är C*bA i grundmodens elektriska fälts riktning, flera vägledarmellansegment (32, 33, 33', 34', 34', 36, 36'), som är 10 placerade i kaskad i mikrovägseffektens framskridningsriktning och anordnade att dela vägledarelementet (6) i tvä symmetriska vägledargrenar, vilka äterför-enas i utgängsporten (37), kännetecknat av att: vägledargrenarna slutar i symmetriska, trattformiga vägledarseg-ment (36, 36'), vilkas bredd är 0*ϊ>α/2 och vilka är anordnade att mynna ut i ut-15 gängsporten (37), och att de delande vägledarsegmenten omfattar - ett första vägledarmellansegment (32), vars bredd är bB i grundmodens elektriska fälts riktning, där bB > bA, - ett andra vägledarmellansegment (33), vars bredd är bd grund-20 modens elektriska fälts riktning, där bc > bB, ett tredje (34) och ett prde (34') vägledarmellansegment, vilka är placerade parallel It pä ett avständ bG frän varandra för att bilda nämnda parallels grenars första segment, varvid det tredje (34) och det fjärde (34') vägle-darmellansegmentet har vartdera en bredd i öd grundmodens elektriska fälts 25 riktning, där 2*bö + bc > bc- i-
2. Vägledarelement enligt patentkrav 1, väri de parallels grenarnas ^ trattformade vägledarsegment (36, 36') har en form som blir större i grundmo- g dens elektriska fälts pian.
3. Vägledarelement enligt patentkrav 2, väri de trattformade vägle- C\l x 30 darsegmenten (36, 36') är anslutna tili det tredje (34, 34') och det fjärde vägle- darmellansegmentet i sinä första ändar och tili utgängsporten (37) i sinä mot- !£ satta ändar. 00 g
4. Vägledarelement enligt nagot av patentkraven 1-3, väri längden o av vart och ett andra vägledarmellansegment (33) i framskridningsriktningen är 35 ungefär en fjärdedels väglängd av vägledarens grundmod.
5. Vägledarelement enligt nägot av patentkraven 1-4, väri längden av vart och ett trattformigt vägledarsegment (36, 36') i framskridningsriktningen är ungefär hälften av väglängden av vägledarens grundmod.
6. Vägledarelement enligt nägot av patentkraven 1-5, väri bredder-5 na bA, bs, bc och bp är dimensionerade, sä att motsvarande karakteristiska im- pedanser är ungefär anpassade tili varandra med grundmoden.
7. Vägledarelement enligt nägot av patentkraven 1-6, väri C*bA är i omrädet, som är frän 30 cm tili ätminstone 70 cm.
8. Apparat för mikrovägsuppvärmning av en pian produkt, vilken ap-10 parat omfattar ett vägledarelement (6) enligt nägot av patentkraven 1-7, en matande vägledare (5) med nämnda första standard rektangulära tvärsnitt och som är kopplat tili vägledarelementets nämnda ingängsport (31), och en upp-värmningskammare (2) med nämnda andra rektangulära tvärsnitt och som är kopplad tili vägledarelementets (6) nämnda utgängsport (37).
9. Apparat enligt patentkrav 8, vilken omfattar ett andra vägledare lement (6) enligt nägot av patentkraven 1-7, en andra matande vägledare (5) med nämnda första standard rektangulära tvärsnitt, som är kopplad tili det andra vägledarelementets (6) nämnda ingängsport (31), och en andra upp-värmningskammare (12) med nämnda andra rektangulära tvärsnitt och som är 20 kopplad tili det andra vägledarelementets (6) nämnda utgängsport (37), varvid uppvärmningskamrarna (12) är placerade parallellt och anslutna tili varandra för uppvärmning av plana produkter (8), vilkas bredd är tvä gänger en kamma-res (12) bredd. δ (M CD O δ X cc CL LO LO 00 LO 00 o o (M
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20085855A FI122203B (sv) | 2008-09-11 | 2008-09-11 | Vågledarelement |
| DE102009040772A DE102009040772A1 (de) | 2008-09-11 | 2009-09-09 | Wellenleiterelement |
| CA002678284A CA2678284A1 (en) | 2008-09-11 | 2009-09-09 | Waveguide element |
| ITMI2009A001558A IT1395513B1 (it) | 2008-09-11 | 2009-09-10 | Elemento di guida d'onda |
| US12/559,129 US8173943B2 (en) | 2008-09-11 | 2009-09-14 | Apparatus for microwave heating of a planar product including a multi-segment waveguide element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20085855 | 2008-09-11 | ||
| FI20085855A FI122203B (sv) | 2008-09-11 | 2008-09-11 | Vågledarelement |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20085855A0 FI20085855A0 (sv) | 2008-09-11 |
| FI20085855L FI20085855L (sv) | 2010-03-12 |
| FI122203B true FI122203B (sv) | 2011-10-14 |
Family
ID=39852244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20085855A FI122203B (sv) | 2008-09-11 | 2008-09-11 | Vågledarelement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8173943B2 (sv) |
| CA (1) | CA2678284A1 (sv) |
| DE (1) | DE102009040772A1 (sv) |
| FI (1) | FI122203B (sv) |
| IT (1) | IT1395513B1 (sv) |
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| US2767380A (en) * | 1952-09-30 | 1956-10-16 | Bell Telephone Labor Inc | Impedance transformer |
| NL113833C (sv) * | 1956-01-26 | |||
| GB893936A (en) | 1959-07-31 | 1962-04-18 | Associated Electric Ind Ltd | Ultra high frequency heating apparatus |
| GB1016435A (en) | 1962-05-09 | 1966-01-12 | Ass Elect Ind | Improvements relating to the dielectric heating of materials |
| US3564458A (en) * | 1969-10-28 | 1971-02-16 | Canadian Patents Dev | Branched waveguide transitions with mode filters |
| US3851132A (en) * | 1973-12-10 | 1974-11-26 | Canadian Patents Dev | Parallel plate microwave applicator |
| FI844824A0 (fi) | 1984-12-05 | 1984-12-05 | Raute Oy | Foerfarande foer tillverkning av fanerbalk. |
| US4764775A (en) * | 1985-04-01 | 1988-08-16 | Hercules Defense Electronics Systems, Inc. | Multi-mode feed horn |
| CA2152009C (en) | 1994-10-12 | 1998-05-05 | Gordon Granville Shofner | Dielectric-heated, continuous layup laminated veneer lumber press |
| DE19627024B4 (de) | 1996-07-04 | 2007-08-02 | Dieffenbacher Gmbh + Co. Kg | Verfahren und Anlage zum kontinuierlichen Zusammenlegen und Verleimen von Furniertafeln zu Furnierschichtplatten |
| US5756975A (en) | 1996-11-21 | 1998-05-26 | Ewes Enterprises | Apparatus and method for microwave curing of resins in engineered wood products |
| JP3293069B2 (ja) * | 1999-05-28 | 2002-06-17 | エリー株式会社 | 被加熱物の加熱方法及びその装置 |
| FI112026B (sv) | 2002-02-18 | 2003-10-15 | Raute Oyj | Anläggning för pressupphettning av en skivformig produkt |
| US7048825B2 (en) | 2002-10-03 | 2006-05-23 | Weyerhaeuser Company | Microwave preheat press assembly |
| FI20031680A0 (sv) | 2003-11-19 | 2003-11-19 | Raute Oyj | Anläggning för upphettning av en belimmat trä innehållande skivprodukt |
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| CA2678284A1 (en) | 2010-03-11 |
| IT1395513B1 (it) | 2012-09-28 |
| US20100060391A1 (en) | 2010-03-11 |
| FI20085855A0 (sv) | 2008-09-11 |
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