CN101598356B - Shimming device for multiple output ports of microwave oven - Google Patents
Shimming device for multiple output ports of microwave oven Download PDFInfo
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- CN101598356B CN101598356B CN2009101122537A CN200910112253A CN101598356B CN 101598356 B CN101598356 B CN 101598356B CN 2009101122537 A CN2009101122537 A CN 2009101122537A CN 200910112253 A CN200910112253 A CN 200910112253A CN 101598356 B CN101598356 B CN 101598356B
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- shimming
- microwave oven
- coaxitron
- microwave
- output ports
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Abstract
The invention discloses a shimming device for multiple output ports of a microwave oven, and relates to a heating device. The invention provides a shimming device for multiple output ports of a microwave oven. The device is provided with a bottom plate; the metallic bottom plate is provided with a shimming coaxial tube, and an input port of the shimming coaxial tube is externally connected with a coaxial tube output port of a magnetic control tube of the microwave oven; an outer conductor of the shimming coaxial tube is provided with at least two openings or grooves by which the microwave energy is leaked out and outputted to a microwave oven chamber, and an embedded ring-shaped support ceramic chip is arranged between two adjacent openings or grooves; and a metallic cover plate is arranged above the shimming coaxial tube and provided with through holes matched with the openings or grooves on the outer conductor of the shimming coaxial tube, and the upper surface of the metallic cover plate is provided with microwave ceramic plates.
Description
Technical field
The present invention relates to a kind of heater, especially relate to a kind of shimming device for multiple output ports that is used for micro-wave oven.
Background technology
The application of flat plate microwave oven in recent years is more and more wider, because microwave source (magnetron) is only established single delivery outlet, it is inhomogeneous therefore to add thermal effect in the existing flat plate microwave oven.
Publication number provides a kind of microwave continuous heater that is equipped with heating clamber and transfer equipment for the Chinese invention patent application of CN1410736, this heating clamber has opening in its front and back part, on this transfer equipment, carry the object that will heat by this heating clamber, and the microwave electric energy be radiated at pass object that this heating clamber will heat get on heating its.2 microwave absorption chambers are connected respectively to the front and back part of this heating clamber, and the object that heat is by these 2 microwave absorption chambers.A plurality of metallic reflection plates separate each other in forward and backward directions and are transmitted by this transfer equipment.The object that heats is placed between 2 adjacent reflecting plates.This reflecting plate is placed on the transfer equipment, and during making microwave at least enter to shine within this heating clamber, at least 1 reflecting plate is placed in each microwave absorption chamber.
Publication number provides a kind of microwave heating equipment for the Chinese invention patent application of CN1416366, comprise microwave generator, the deflector on a plane of definition that is used for the waveguide of the microwave guiding loader that will produce and forms by closed hoop, described deflector has fixing resonant frequency and perpendicular to the thickness on the described in-plane, the axle that this deflector can wind at least substantially parallel to described plane rotates, this deflector places waveguide, so that form resonant cavity with sample and waveguide loader.The coupling factor of the resonance condition of resonator and the radiation from the waveguide to the chamber is regulated by the rotation of deflector easily.Resonance condition and coupling factor can respond the sample dielectric property and regulate, thereby so that optimize the control that the amount of absorbed power obtains sample heating process.
Publication number provides a kind of device by means of the microwave energy heating for the Chinese invention patent application of CN87101881, this device comprises at least 2 microwave generators, each generator can give the waveguide of feeding separately for ripple. and the waveguide of feeding is a power divider, it equally distributes at least 2 heating inductors basically with input power, and heating inductor extends at angle with respect to the waveguide of feeding. and the layout that the dielectric-slab heating inductor is housed on the side surface of each heating inductor at least 4 heating inductors makes all dielectric-slabs all in the same plane.
Publication number comprises for the Chinese invention patent application of CN1339674 provides a kind of micro-wave oven device for homogenous heating: one produces the magnetron of microwave; The waveguide assembly of the microwave that one guiding magnetron produces; The opening of the microwave of a pair of form radiating guide device guiding with circular polarized wave; And one constitute polyhedron and the chamber of non-rectangle, wherein constitutes this polyhedral more than one inwall with respect to tilt a predetermined angular except that the right angle of adjacent inner wall.Adopt this structure, the microwave that magnetron produces is by waveguide assembly and opening during by radiation, and the tilt internal wall by the chamber is reflected in the chamber and sends food to, thereby guarantees that microwave evenly distributes on whole food, and makes food obtain even cooking.
Number of patent application provides a kind of container heated by microwave oven for 02128724.4 Chinese invention patent application, and it comprises the body that is made of plastics, and its bottom is made by the plastics or the ceramic material of dielectric properties, is shaped on the layer of metal layer on the sidewall of body; The bottom of body is provided with a becket; Body disposes lid in addition, covers to be provided with vapor opening and to be furnished with safety valve; And be provided with becket covering, produce the auxiliary thermal effect that adds of boiling.
Summary of the invention
The objective of the invention is to add the uneven deficiency of thermal effect, a kind of shimming device for multiple output ports of microwave oven is provided at existing flat plate microwave oven.
Technical scheme of the present invention is that microwave source (magnetron) in the existing flat plate microwave oven is had only single delivery outlet, is modified into the microwave source shimming device of multioutlet, improves the evenly effect of heating of flat plate microwave oven.Device is provided with the multioutlet coaxitron, built-in annular brace sheet.This coaxitron bent flat is laid on the micro-wave oven bottom.The top is covered with metallic plate, and the metallic plate top is covered ceramic wafer again.The relative dielectric parameter ε of microwave ceramics
nBe about 20～100.
The present invention is provided with base plate, on metal base plate, be provided with the shimming coaxitron, the coaxitron delivery outlet of the external microwave oven magnetic of input port of shimming coaxitron, on the outer conductor of shimming coaxitron, be provided with at least 2 perforates or the fluting that are used for revealing the output microwave energy to furnace chamber, built-in annular brace potsherd is set between adjacent apertures or adjacent fluting, above the shimming coaxitron, establish metal cover board, corresponding to through hole on the outer conductor that is provided with on the metal cover board with coaxitron is provided with the microwave ceramics plate at the metal cover board upper surface.
Described base plate can utilize former bottom plate of microwave oven.
The internal and external conductor diameter of described shimming coaxitron is preferably identical with the coaxitron of microwave oven magnetic.
The number of described perforate or fluting can adopt 10～20, and the bore of perforate or fluting can be 3～10mm, and the bore of perforate or fluting is that starting point strengthens gradually from shimming coaxitron input port.
The relative dielectric parameter ε of described built-in annular brace potsherd
nBe preferably 10～30, the thickness of built-in annular brace potsherd can be 2～4mm.
Described metal cover board can adopt iron plate to add the microwave ceramics plate, or corrosion resistant plate adds the microwave ceramics plate, and the thickness of iron plate or corrosion resistant plate can be 0.5～2mm, and the thickness of microwave ceramics plate can be 1～6mm.
The magnetron list delivery outlet that the present invention will have now in the micro-wave oven is improved to the multioutlet device, help inspiring more, higher, the complex multi-mode state more of pattern at micro-wave oven, make the interior electromagnetic field of microwave cavity distribute more even, it is better to add thermal effect, particularly in defrosting food and heat solid food (for example puffed rice, prawn slice etc.) process.The present invention removes and can be applicable to the micro-wave oven bottom, also can be applicable to micro-wave oven top and micro-wave oven left and right sides wall.The present invention also can be applicable to beyond the micro-wave oven, can be applicable in other devices of microwave energy oven dry heating.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the embodiment of the invention 1.
Fig. 3 is the micro-wave oven bottom plan view.
Fig. 4 is the structural representation of multioutlet coaxitron.
Fig. 5 is the annular brace potsherd structural representation in the coaxitron.
Fig. 6 is the A-A profile of Fig. 3.
Fig. 7 is the structural representation of the embodiment of the invention 2.
Fig. 8 is the STRUCTURE DECOMPOSITION schematic diagram of the embodiment of the invention 2.
Fig. 9 is the 1st a kind of coaxitron structural representation of the embodiment of the invention 2.
Figure 10 is the 2nd a kind of coaxitron structural representation of the embodiment of the invention 2.
Figure 11 is the 3rd a kind of coaxitron structural representation of the embodiment of the invention 2.
Figure 12 is the 4th a kind of coaxitron structural representation of the embodiment of the invention 2.
The specific embodiment
Following examples will the present invention is further illustrated in conjunction with the accompanying drawings.
Referring to Fig. 1～6, the present invention is provided with base plate, on base plate, be provided with shimming coaxitron 2, the extension of single coaxitron delivery outlet of the external existing microwave oven magnetic 1 of the input port of shimming coaxitron 2, this coaxitron bent flat back and forth is laid on the micro-wave oven bottom, on the outer conductor of shimming coaxitron 2, be provided with 10～20 perforates 3 (referring to Fig. 3) that are used for revealing the output microwave energy to furnace chamber, microwave energy is revealed output along perforate 3 places to furnace chamber, along with the leakage of each perforate 3 place's microwave energy weakens, from shimming coaxitron 2 input ports is starting point, the aperture of perforate 3 strengthens progressively that (diameter 3～10mm) makes micro-wave oven bottom microwave energy distribution basically identical.For making coaxial inner conductor be in the position of axle all the time, ring-shaped pottery sheet 4 (referring to Figure 4 and 5) is set between adjacent apertures 3 simultaneously, above shimming coaxitron 2, establishes iron plate 5, on iron plate 5, be provided with through hole, be provided with microwave ceramics plate 6 at iron plate 5 upper surfaces.
Described base plate utilizes former bottom plate of microwave oven.
The internal and external conductor diameter of described shimming coaxitron 2 is identical with the coaxitron of microwave oven magnetic 1 delivery outlet.
The thickness of iron plate 5 is 0.5～2mm, and the thickness of microwave ceramics plate 4 is 1～6mm.
Embodiment 2: the magnetron delivery outlet is still at the shimming device that has the microwave cavity right side now
Referring to Fig. 6～12, the single coaxial delivery outlet that the present invention will have microwave oven magnetic 1 now prolongs, connect with the identical coaxitron 2 of internal and external conductor diameter, this coaxitron bent flat back and forth is laid on the micro-wave oven bottom, the visible Fig. 9 of various crooked scheme～12 of coaxitron, to tile perforate 3 or fluting (10～20 of numbers) on the outer conductor of coaxitron, microwave energy is revealed output along tapping to furnace chamber again.Along with the leakage of each tapping microwave energy weakens, the aperture of perforate should strengthen progressively that (diameter 3～10mm) makes micro-wave oven bottom microwave energy distribute consistent.Simultaneously for to make coaxial inner conductor be in the position of central shaft all the time, placed ring-shaped pottery sheet 3 between every hole, and above the tiling coaxitron, add a cover iron plate 5, this iron plate be drilled with plate under the circular hole of coaxial outer conductor same position, same diameter, the iron plate top is added a cover microwave ceramics sheet 6 again, this plate pollutes except making coaxitron unable to take food product in gastronomical process, also can capture further and the homogenize microwave energy, makes that to add thermal effect more even better.
Claims (7)
1. shimming device for multiple output ports of microwave oven, it is characterized in that being provided with base plate, on metal base plate, be provided with the shimming coaxitron, the coaxitron delivery outlet of the external microwave oven magnetic of input port of shimming coaxitron, on the outer conductor of shimming coaxitron, be provided with at least 2 perforates or the fluting that are used for revealing the output microwave energy to furnace chamber, built-in annular brace potsherd is set between adjacent apertures or adjacent fluting, above the shimming coaxitron, establish metal cover board, corresponding to through hole on the outer conductor that is provided with on the metal cover board with the shimming coaxitron is provided with the microwave ceramics plate at the metal cover board upper surface;
The internal and external conductor diameter of described shimming coaxitron is identical with the coaxitron of microwave oven magnetic;
The number of described perforate or fluting is 10～20, and the bore of perforate or fluting is 3～10mm, and the bore of perforate or fluting is that starting point strengthens gradually from shimming coaxitron input port.
2. a kind of shimming device for multiple output ports of microwave oven as claimed in claim 1 is characterized in that described base plate is former bottom plate of microwave oven.
3. a kind of shimming device for multiple output ports of microwave oven as claimed in claim 1 is characterized in that the relative dielectric parameter ε of described built-in annular brace potsherd
nBe 10～30.
4. as claim 1 or 3 described a kind of shimming device for multiple output ports of microwave oven, the thickness that it is characterized in that built-in annular brace potsherd is 2～4mm.
5. a kind of shimming device for multiple output ports of microwave oven as claimed in claim 1 is characterized in that described metal cover board adopts iron plate or corrosion resistant plate.
6. a kind of shimming device for multiple output ports of microwave oven as claimed in claim 5, the thickness that it is characterized in that iron plate or corrosion resistant plate is 0.5～2mm.
7. a kind of shimming device for multiple output ports of microwave oven as claimed in claim 1, the thickness that it is characterized in that described microwave ceramics plate is 1～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101122537A CN101598356B (en) | 2009-07-24 | 2009-07-24 | Shimming device for multiple output ports of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101122537A CN101598356B (en) | 2009-07-24 | 2009-07-24 | Shimming device for multiple output ports of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598356A CN101598356A (en) | 2009-12-09 |
| CN101598356B true CN101598356B (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101122537A Expired - Fee Related CN101598356B (en) | 2009-07-24 | 2009-07-24 | Shimming device for multiple output ports of microwave oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635881A (en) * | 2012-03-27 | 2012-08-15 | 广东美的微波电器制造有限公司 | Microwave oven with a heat exchanger |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192544A (en) * | 2010-03-19 | 2011-09-21 | 乐金电子(天津)电器有限公司 | Microwave oven with novel unfreezing structure |
| CN106524243A (en) * | 2016-11-09 | 2017-03-22 | 广东美的厨房电器制造有限公司 | Microwave oven |
| CN107373472B (en) * | 2017-07-28 | 2021-05-11 | 江苏省农业科学院 | Preparation method of seasoned freshwater shrimp meat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201488057U (en) * | 2009-07-24 | 2010-05-26 | 厦门大学 | Multi-output-port shimming plate of microwave oven |
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2009
- 2009-07-24 CN CN2009101122537A patent/CN101598356B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201488057U (en) * | 2009-07-24 | 2010-05-26 | 厦门大学 | Multi-output-port shimming plate of microwave oven |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635881A (en) * | 2012-03-27 | 2012-08-15 | 广东美的微波电器制造有限公司 | Microwave oven with a heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN101598356A (en) | 2009-12-09 |
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Granted publication date: 20110105 Termination date: 20130724 |