CN203327284U - Revolution paraboloid combination microwave heating cavity - Google Patents
Revolution paraboloid combination microwave heating cavity Download PDFInfo
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- CN203327284U CN203327284U CN201320309154XU CN201320309154U CN203327284U CN 203327284 U CN203327284 U CN 203327284U CN 201320309154X U CN201320309154X U CN 201320309154XU CN 201320309154 U CN201320309154 U CN 201320309154U CN 203327284 U CN203327284 U CN 203327284U
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- microwave heating
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Abstract
The utility model discloses a revolution paraboloid combination microwave heating cavity, which comprises a first cavity, a paraboloid structure cavity and a microwave source. The paraboloid structure cavity is fixedly arranged on the upper portion of the first cavity. The first cavity and the paraboloid structure cavity integrally form a combination heating space. Materials to be processed are arranged inside the first cavity. The materials are arranged at the focal position of the paraboloid structure cavity. Microwaves emitted by the microwave source are reflected and focused on the materials through the paraboloid of the paraboloid structure cavity. A heating area of high power density and energy is formed. According to the revolution paraboloid combination microwave heating cavity, a mode of focusing energy is introduced and a microwave multimode divergent mode is changed. Meanwhile, the intensity of a microwave filed can be greatly improved. With the same space and the same area, the energy of the heating area of the microwave combination cavity is increased by multiple times. The heating efficiency of existing microwave equipment is greatly improved.
Description
Technical field
The utility model relates to a kind of paraboloid of revolution combination microwave heating cavity.
Background technology
Microwave cavity is to realize microwave energy being introduced and distributing with various AD HOC, and with the interactional metal cavitg of machined material.It is the applicable core main body of microwave.For many years, the microwave cavity of extensive use has: for household microwave oven, intermittence with move continuously the special-shaped cavity etc. of rectangular cavities, single-mode cylindrical shape cavity, single mode elliposoidal cavity, polygon cavity and some other special applications that the multimode of industrial microwave oven distributes.
Their common ground is: microwave energy is to introduce from certain ad-hoc location of cavity, with the electromagnetic field that inspires required single pattern, distribute, or introduce energy by a plurality of microwave sources from the inside microwave cavity of diverse location, thereby diverse location forms the distributed electrical Distribution of Magnetic Field of a plurality of patterns in cavity.But which kind of situation all is difficult to ad-hoc location in microwave cavity and forms very strong electromagnetic field distribution or very high power density.
The utility model content
The problem existed for prior art; the purpose of this utility model be to provide a kind of by existing microwave from cavity introduce energy with single mode or multimode mode outside to inside, the specific region become in cavity focuses on the paraboloid of revolution combination microwave heating cavity that forms high-power energy and density area by parabola.
For achieving the above object, a kind of paraboloid of revolution combination microwave of the utility model heating cavity, comprise the first cavity, paraboloid structure cavity and microwave source, wherein, the paraboloid structure cavity is fixedly installed on the top of the first cavity, the whole combined heated space that forms of the first cavity and paraboloid structure cavity, processed material is arranged in the first cavity, and material is arranged on the focal position of paraboloid structure cavity, the microwave that microwave source sends passes through the parabolic reflective focusing of paraboloid structure cavity on material, to form the heating region of high power density and energy.
Further, described the first cavity is rectangular cavity, cylindrical cavity or annular chamber.
Further, between described the first cavity and described paraboloid structure cavity, adopt welding, riveted joint or crimping mode to be connected.
Further, the space formed between described the first cavity and described paraboloid structure cavity, the combined shaped that is shaped as polygon, rectangle, circle, ellipse and parabola formation of its cross section.
Further, described combined heated space is the space of a sealing, can on the cavity arbitrary face, be provided with and can open entire hermatic door or feed inlet and outlet, and material is from entering described combined heated space or taking-up with hermatic door or feed inlet and outlet.
Further, the supporting material-transporting system that is provided with on described hermatic door or feed inlet and outlet.
Further, be provided with on described the first cavity with described microwave source and input corresponding microwave introduction window mouth.
Further, described combined heated space meets the work under 2450MHz ± 50MHz and two microwave frequency sections of 915MHz ± 15MHz.
Further, under described 2450MHz ± 50MHz microwave frequency, work, the microwave power input of single or multiple described microwave sources is provided, and under this frequency, the microwave power of described microwave source size is 0.8kW, 1.0kW, 2.0kW, 3.0kW, 5.0kW, 10.0kW, 15kW or 30kW.
Further, under described 915MHz ± 15MHz microwave frequency, work, the microwave power input of single or multiple described microwave sources can be provided, under this frequency, the microwave source watt level of described microwave source is 5.0kW, 20.0kW, 30.0kW, 75kW or 100kW.
Microwave combined cavity of the present utility model is compared with existing microwave cavity; from cavity multimode mode of heating by existing microwave; introduce the mode of focus energy; change microwave single mode or multimode diffusion mode; make microwave field strength be greatly improved; same space and area, microwave combined cavity heating region energy of the present utility model increases several times, has greatly expanded the efficiency of heating surface of existing microwave equipment.
The accompanying drawing explanation
Fig. 1 is microwave cavity in the utility model embodiment 1;
Fig. 2 is microwave cavity in the utility model embodiment 1;
Fig. 3 is microwave cavity in the utility model embodiment 2;
Fig. 4 is microwave cavity in the utility model embodiment 3.
Embodiment
Below, with reference to accompanying drawing, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.Yet the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
For ease of explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", the relation for element shown in key diagram or feature with respect to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device in figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in space used here can correspondingly be explained.
A kind of paraboloid of revolution combination microwave of the utility model heating cavity, comprise the first cavity, paraboloid structure cavity and microwave source, wherein, the paraboloid structure cavity is fixedly installed on the top of the first cavity, the whole combined heated space that forms of the first cavity and paraboloid structure cavity, processed material is arranged in the first cavity, and material is arranged on the focal position of paraboloid structure cavity, the microwave that microwave source sends passes through the parabolic reflective focusing of paraboloid structure cavity on material, to form the heating region of high power density and energy.The first cavity is chosen as rectangular cavity, cylindrical cavity or annular chamber.The space formed between the first cavity and paraboloid structure cavity, its cross section be shaped as polygon, rectangle, circle, oval and paraboloidal combined shaped.The combined heated space is the space of a sealing, can on the cavity arbitrary face, be provided with and can open entire hermatic door or feed inlet and outlet, and material is from entering described combined heated space or taking-up with hermatic door or feed inlet and outlet.The supporting material-transporting system that is provided with on hermatic door or feed inlet and outlet.
Embodiment 1:
As depicted in figs. 1 and 2, the combination that in the present embodiment, cavity is rectangular configuration and paraboloid structure, comprise rectangular cavity structure 12, paraboloid structure cavity 11, microwave source 15 and microwave introduction window mouth 16.Paraboloid structure cavity 11 is weldingly fixed on rectangular cavity structure 12, forms working space 14 between rectangular cavity structure 12 and paraboloid structure cavity 11.According to processed material 13, be provided with single or multiple microwave source 15 and microwave introduction window mouth 16 on a plurality of of rectangular cavity structure 12.
The microwave energy input consists of the microwave source 15 under characteristic frequency and power and microwave introduction window mouth 16.Characteristic frequency comprises that applicable two frequency bands of microwave are: 2450MHz ± 50MHz and 915MHz ± 15MHz.Certain power comprises at the 2450MHz frequency band: the single microwave power source of 0.8kW, 1.0kW, 2.0kW, 3.0kW, 5.0kW, 10.0kW, 15kW and 30kW(); At the 915MHz frequency band, comprise: the single microwave power source of 5.0kW, 20.0kW, 30.0kW, 75.0kW and 100.0kW().The quantity of microwave source 15 is according to selected microwave frequency, material to be processed amount and required microwave power size by calculative determination, and microwave power is capable of being combined.
Other surface that microwave introduction window mouth 16 is arranged on except parabola is upper, and its size, material and quantity are determined according to introducing microwave power size and specific frequency (2450MHz/915MHz) design.The quantity of microwave introduction window mouth 16 is generally consistent with the quantity of microwave source 15.It is the corresponding microwave introduction window mouth 16 of each microwave source 15.In particular cases, a microwave source 15 can design two or more microwave introduction window mouths 16.The selection principle of microwave introduction window mouth 16, material and quantity and microwave power size and characteristic frequency is to guarantee the microwave power microwave cavity that enters as much as possible.
In the present embodiment, between rectangular cavity structure 12 and paraboloid structure cavity 11, can select to adopt the mode of welding, riveted joint or crimping to realize connecting, processed material 13 is placed on the focal position of paraboloid structure cavity 11.
Microwave cavity in the present embodiment, shown in Fig. 2, also be suitable for continous way and process the operation working method, physical dimension and the material-transporting system (not shown) of design charging aperture 27 and discharging opening 28, and the mass transport set positions is on the focal length of paraboloid structure cavity 21.As processed material is liquid or gas, need to design corresponding container containing, further consider the sealing of liquid or gas etc.According to the form of the type structure of determined microwave cavity and size and material to be processed, manufacture material (as copper, aluminium or Stainless Steel etc.), the manufacture method that Liquified gas tanker is selected microwave cavity and associated components, guarantee to reach designing requirement.
The interblock space that microwave cavity in the present embodiment is rectangular cavity structure 22 and paraboloid structure cavity 21; single mode by existing microwave in space or multimode distribution mode; change into microwave cumulative distribution mode; make microwave field focus on, Microwave Power Density and the treatment effeciency of working region are greatly improved.
Embodiment 2:
As shown in Figure 3, the ring cavity structure 32 that in the present embodiment, cavity is coaxial introducing mode and the combination of paraboloid structure cavity 31, comprise paraboloid structure cavity 31, ring cavity structure 32, microwave introduction window mouth 35 and microwave source 36.Paraboloid structure cavity 31 is fixed on ring cavity structure 32 by welding, riveted joint or crimping, forms working space 34 between the two.According to processed object 33, microwave energy is entered by microwave introduction window mouth 35 by combination bottom, chamber with coaxial coupled modes.
The microwave energy input mode consists of single microwave source 36 and microwave introduction window mouth 35 under characteristic frequency and power.Characteristic frequency comprises that applicable two frequency bands of microwave are: 2450MHz ± 50MHz and 915MHz ± 15MHz.Certain power comprises at the 2450MHz frequency band: the single microwave power source of 0.8kW, 1.0kW, 2.0kW, 3.0kW, 5.0kW, 10.0kW, 15kW and 30kW().At the 915MHz frequency band, comprise: the single microwave power source of 5.0kW, 20.0kW, 30.0kW, 75.0kW and 100.0kW().
Microwave introduction window mouth 35 is arranged on bottom, combination chamber, and its size, material and quantity are determined according to introducing microwave power size and specific frequency (2450MHz/915MHz) design.Microwave introduction window mouth 35 is designed to coaxial coupled modes, and the selection principle of its material and microwave power size and characteristic frequency is to guarantee the microwave power microwave cavity that enters as much as possible.
Microwave combined cavity in the present embodiment, also be suitable for the plasma discharge working method under vacuum state, as processed material is liquid or gas, needs to design corresponding container containing, further considers the sealing of liquid or gas etc.; According to the form of the type structure of determined microwave cavity and size and material to be processed, manufacture material (as copper, aluminium or Stainless Steel etc.) and the manufacture method that Liquified gas tanker is selected microwave cavity and associated components, guarantee to reach designing requirement.
The interblock space that microwave cavity in the present embodiment is ring cavity structure 32 and paraboloid structure cavity 31; single mode by existing microwave in space or multimode distribution mode; change into microwave cumulative distribution mode; make microwave field focus on, the Microwave Power Density efficiency of heating surface of working region is greatly improved.
Embodiment 3:
As shown in Figure 4, in the present embodiment, cavity is constituting of cylindrical cavity structure 42 and paraboloid structure cavity 41, comprises microwave introduction window mouth 45 and the microwave source 46 of cylindrical cavity structure 42, paraboloid structure cavity 41 and microwave energy.Paraboloid structure cavity 41 is fixed on the axial end portion of cylindrical cavity structure 42 by welding, riveted joint or crimping, form working space 44 between cylindrical cavity structure 42 and paraboloid structure cavity 41, according to processed material 43, single or multiple microwave source 46 and microwave introduction window mouth 45 can be set on the cambered surface of cylindrical cavity structure 42.
The microwave introduction window mouth consists of the microwave introduction window mouth 45 under characteristic frequency and power and microwave source 46.Characteristic frequency comprises that applicable two frequency bands of microwave are: 2450MHz ± 50MHz and 915MHz ± 15MHz.Certain power comprises at the 2450MHz frequency band: the single microwave power source of 0.8kW, 1.0kW, 2.0kW, 3.0kW, 5.0kW, 10.0kW, 15kW and 30kW().At the 915MHz frequency band, comprise: the single microwave power source of 5.0kW, 20.0kW, 30.0kW, 75.0kW and 100.0kW().The quantity of microwave source is according to selected microwave frequency, material to be processed and required microwave power size by calculative determination, and microwave power is capable of being combined.
Other surface that microwave introduction window mouth 45 is arranged on except parabola is upper, and its size, material and quantity are determined according to introducing microwave power size and specific frequency (2450MHz/915MHz) design.The quantity of microwave window is generally consistent with the quantity of microwave source.It is the corresponding microwave window of each microwave source.In particular cases, a microwave source can design two or more microwave windows.The selection principle of microwave window, material and quantity and microwave power size and characteristic frequency is to guarantee the microwave power microwave cavity that enters as much as possible.
Cylindrical cavity structure 42 and paraboloid structure cavity 41 in the present embodiment, can select to adopt the mode of welding, riveted joint or crimping to realize connecting, and processed object 43 is placed on the focal position of cylindrical cavity structure 42 centers and paraboloid structure cavity 41.
In microwave cavity in the present embodiment, as processed material is liquid or gas, need to design corresponding container containing, further consider the sealing of liquid or gas etc.; According to the form of the type structure of determined microwave cavity and size and material to be processed, manufacture material (as copper, aluminium or Stainless Steel etc.) and the manufacture method that Liquified gas tanker is selected microwave cavity and associated components, guarantee to reach designing requirement.
The interblock space that microwave cavity in the present embodiment is cylindrical cavity structure 42 and paraboloid structure cavity 41; single mode by existing microwave in space or multimode distribution mode; change into microwave cumulative distribution mode; make microwave field focus on, work Microwave Power Density and treatment effeciency are greatly improved.
Advantage of the present utility model is as follows:
1, microwave focuses on and can increase several times at the specific region microwave energy, under equal microwave input state, can with existing all microwave cavities, compare at double, and same space and area, improve the efficiency of heating surface in microwave cavity of the present utility model.
2, identical microwave power level, under this paraboloid of revolution combined cavity condition, theory analysis, numerical simulation and evidence, in view of paraboloidal cumulative action, in chamber in specific region microwave field distribution and energy more concentrated, Microwave Power Density improves a lot.
In view of above-mentioned advantage, the utility model more will be given full play in the superiority of the field application such as industry heating, synthetic, extraction, cracking, high temperature sintering and microwave plasma, application, by wider expansion, particularly will have huge facilitation to more extensive commercial application.
Claims (7)
1. a paraboloid of revolution combination microwave heating cavity, it is characterized in that, comprise the first cavity, paraboloid structure cavity and microwave source, wherein, the paraboloid structure cavity is fixedly installed on the top of the first cavity, the whole combined heated space that forms of the first cavity and paraboloid structure cavity, processed material is arranged in the first cavity, and material is arranged on the focal position of paraboloid structure cavity, the microwave that microwave source sends passes through the parabolic reflective focusing of paraboloid structure cavity on material, to form the heating region of high power density and energy.
2. paraboloid of revolution combination microwave heating cavity as claimed in claim 1, is characterized in that, described the first cavity is rectangular cavity, cylindrical cavity or annular chamber.
3. paraboloid of revolution combination microwave heating cavity as claimed in claim 1, is characterized in that, between described the first cavity and described paraboloid structure cavity, adopts welding, riveted joint or crimping mode to be connected.
4. paraboloid of revolution combination microwave heating cavity as claimed in claim 1, it is characterized in that, the space formed between described the first cavity and described paraboloid structure cavity, the combined shaped that is shaped as polygon, rectangle, circle, ellipse and parabola formation of its cross section.
5. paraboloid of revolution combination microwave heating cavity as claimed in claim 1, it is characterized in that, described combined heated space is the space of a sealing, can on the cavity arbitrary face, be provided with and can open entire hermatic door or feed inlet and outlet, material be from entering described combined heated space or taking-up with hermatic door or feed inlet and outlet.
6. paraboloid of revolution combination microwave heating cavity as claimed in claim 5, is characterized in that, the supporting material-transporting system that is provided with on described hermatic door or feed inlet and outlet.
7. paraboloid of revolution combination microwave heating cavity as claimed in claim 1, is characterized in that, is provided with on described the first cavity with described microwave source and inputs corresponding microwave introduction window mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320309154XU CN203327284U (en) | 2013-05-31 | 2013-05-31 | Revolution paraboloid combination microwave heating cavity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320309154XU CN203327284U (en) | 2013-05-31 | 2013-05-31 | Revolution paraboloid combination microwave heating cavity |
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| Publication Number | Publication Date |
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| CN203327284U true CN203327284U (en) | 2013-12-04 |
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| CN201320309154XU Expired - Lifetime CN203327284U (en) | 2013-05-31 | 2013-05-31 | Revolution paraboloid combination microwave heating cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260281A (en) * | 2013-05-31 | 2013-08-21 | 成都纽曼和瑞微波技术有限公司 | Revolution paraboloid combination microwave heating cavity |
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2013
- 2013-05-31 CN CN201320309154XU patent/CN203327284U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260281A (en) * | 2013-05-31 | 2013-08-21 | 成都纽曼和瑞微波技术有限公司 | Revolution paraboloid combination microwave heating cavity |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |