CN2624085Y - Three-dimensional double source microwave oven - Google Patents
Three-dimensional double source microwave oven Download PDFInfo
- Publication number
- CN2624085Y CN2624085Y CN 03217874 CN03217874U CN2624085Y CN 2624085 Y CN2624085 Y CN 2624085Y CN 03217874 CN03217874 CN 03217874 CN 03217874 U CN03217874 U CN 03217874U CN 2624085 Y CN2624085 Y CN 2624085Y
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Abstract
The utility model provides a vertical double source microwave oven which comprises an oven body, an oven chamber, a magnetic control tube, a wave guide, a diverging wire, a diverging wire drive motor as well as a side wave guide feed inlet, and is characterized in that at least one face of a top face, a rear face and a bottom face of the oven chamber is provided with a feed inlet, and another inlet of the side inlet is simultaneously provided with the diverging wire, while a tray is directly positioned on a bottom plate, so that the rotary plate is eliminated. When the utility model works, the combined microwave in the horizontal and vertical directs occur at the same time, and couple through a wave guide outlet at the side wall to make the horizontal microwave distribute evenly; while the radiation of the bottom diverging wire makes the microwave in the vertical director distribute evenly. The measures can make the work mode of the chamber of the microwave oven in dynamic change so as to make the microwave disperse more evenly in the oven chamber.
Description
Affiliated technical field
The utility model relates to a kind of micro-wave oven, and specifically, relate to a kind of rotating disk that is not provided with and only stir its even dispersion microwave of rotation by microwave mode, thus the micro-wave oven of heat food.
Background technology
Existing micro-wave oven only is provided with a waveguide mouth (see figure 1), is located on the sidewall of furnace chamber mostly or upper wall, and microwave is by waveguide mouth microwave radiation in furnace chamber, and the rotation of the rotating disk that is provided with by the furnace chamber bottom is rotated food on the rotating disk and is heated.But cavity for some ad hoc structure, only the rotation by rotating disk can not guarantee that food is heated evenly, therefore developed in the production that has and in dial rotation, used the microwave mode agitator to disperse the micro-wave oven of microwave, be heated evenly to guarantee the food in the furnace chamber; Cancelled rotating disk in the production that also has, and only used the microwave mode agitator to disperse the micro-wave oven of microwave, be heated evenly to guarantee the food in the furnace chamber.Above-mentioned microwave oven structure is arranged on the waveguide mouth top or the bottom of furnace chamber usually, inlet in waveguide is provided with the rotating blades agitator simultaneously, after microwave is coupled into furnace chamber, stirring through the metal mode agitator can diffuse to space in the cavity, simultaneously because the rotation of mode stirrer, and the fine setting of traction microwave operational frequencies, thereby excite the duty of multimode dynamic change, and reach the purpose of even distribution microwave.But in the cavity that large volume polarity (as water) load is arranged, absorption because of load, the incident microwave has bigger decay in penetrating loading process, this will cause near waveguide openings one end load higher because of continuing to absorb the energy temperature, and relatively low away from the load-side temperature, this shows the temperature contrast up and down and the left and right sides temperature contrast of heating load.Go into seriously above-mentioned generation microwave and disperse uneven reason, mainly be a waveguide mouth when entering furnace chamber, can only be along a directional divergence, though attempt to remedy by rotating disk or mode stirrer, make it reach uniform state, but still be short of to some extent, be difficult to reach than fare-you-well.Thereby how to overcome above-mentioned defective as early as possible, and develop a kind of innovation and creation of new micro-wave oven, then be the pressing problem that micro-wave oven manufacturer is faced.
Summary of the invention
The utility model is in order to solve the existing in prior technology problem, a kind of three-dimensional double-fed source micro-wave oven to be provided, and this micro-wave oven microwave when cooking food is uniformly dispersed, and food is heated evenly, and fault rate is low, and cost is low.
In order to reach the purpose of technical solution problem, the technical solution of the utility model is: the utility model provides a kind of three-dimensional double source micro-wave oven, it comprises body of heater, furnace chamber, magnetron, waveguide, disperses antenna and disperses the antenna drive motors and side waveguide feed-in mouth, it is characterized in that: at least one face in furnace chamber end face, back or the bottom surface also is provided with waveguide feed-in mouth, disperses antenna and disperse the antenna drive motors to be arranged on this waveguide feedback porch.
In further concrete structure of the present utility model, waveguide feed-in mouth is two, is made up of side waveguide feed-in mouth and bottom surface waveguide feed-in mouth, and side and bottom surface combination are a kind of preferred schemes.
In further concrete structure of the present utility model, between side waveguide feed-in mouth and other waveguide feed-in mouth is that a long wave that is communicated with is led, long wave is led and is comprised straight wave guide, waveguide bend, impedance conversion waveguide and antenna excitation waveguide, and straight wave guide is that little change is big to the cavity of waveguide bend transition; Waveguide bend is from large to small to the cavity of impedance conversion waveguide transition, and magnetron is positioned at side waveguide feed-in oral-lateral.
In further concrete structure of the present utility model,, on disperse antenna, dispose plastics/micarex when another waveguide feed-in mouth during at furnace chamber back or end face.
In further concrete structure of the present utility model, the antenna bottom of dispersing in the bottom is provided with immerging metal tube heater, these heating tube both sides are fixed on the furnace chamber plate body, heating tube is being dispersed the antenna outside, the end devitrified glass that the step place of dispersing the corresponding described furnace chamber in top of antenna fastens is high temperature resistant, high strength, low microwave absorb, devitrified glass combines the slit with the cavity bottom surface and locates filling gel.
In further concrete structure of the present utility model, tray is directly placed on the furnace chamber base plate, or directly is placed on the step of furnace chamber base plate concave surface.
The utlity model has following advantage:
1, in the technique scheme, at least two waveguide feed-in mouths are set, and are dispersing antenna except that another inlet of side inlet is equipped simultaneously, tray directly is placed on the base plate, has saved rotating disk.During work, the microwave that level and vertical direction merge mutually can appear simultaneously, waveguide openings coupling by sidewall makes the microwave of horizontal direction evenly distribute, disperse the radiation of antenna by the bottom, make the microwave of in the vertical direction evenly distribute, above-mentioned measure can be so that the dynamic change of microwave oven cavity mode of operation, thereby it is more even to make that microwave disperses in furnace chamber.
2, save rotating disk and rotary tray motor, tray need not rotate in load, has reduced power consumption and work noise, has improved reliability and service life, and the micro-wave oven overall structure is simplified, and the dischargeable capacity in the furnace chamber increases, and is simple in structure, easy to maintenance, and production cost reduces.
3, the preferred version of microwave oven setting is: described waveguide mouth is arranged on the sidewall of described furnace chamber, describedly disperses the middle part that antenna is arranged on furnace chamber bottom surface in the described furnace chamber.Disperse microwave simultaneously by bottom and side, the microwave of level and vertical direction merges mutually, and more even.
4, the outer recess of the corresponding described furnace chamber in described top of dispersing antenna fastens high temperature resistant, high strength, low microwave absorbs end devitrified glass, and devitrified glass uses silica gel to fill with junction, cavity bottom surface and seals.Can provide bigger space to micro-wave oven furnace chamber, with the bigger food of heating volume.In the periphery of dispersing antenna immerging metal tube heater is set, in the front portion of dispersing antenna devitrified glass is set, the microwave of dispersing antenna can be radiated the space uniformly on the one hand, the heat that on the other hand can the conductive metal heating tube be produced during barbecue, reach the effect of bottom barbecue, but as fried egg or barbecue etc.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is the prior art cross-sectional schematic;
Fig. 2 is one of a utility model embodiment cutaway view;
Fig. 3 is two cutaway views of the utility model embodiment;
Fig. 4 is three sectional plan views of the utility model embodiment;
Fig. 5 is three cutaway top views of the utility model embodiment;
Fig. 6 is the structural representation of the utility model waveguide and cavity system;
Fig. 7 is that the utility model long wave is led schematic diagram;
Fig. 8 is that the utility model cavity bottom surface recess is dispersed antenna and heating tube schematic diagram;
Fig. 9 is the utility model micro-wave oven bottom part assembling schematic diagram.
1, microwave oven cavity; 2, magnetron; 2-1 magnetron antenna probe; 3, long wave is led; 3-1, waveguide bend; 3-2, impedance conversion waveguide; 3-3, antenna excitation waveguide; 3-4, straight wave guide; 4, disperse the antenna motor; 4-1, motor shaft; 5, installing plate; 6, disperse the antenna quill shaft; 6-1, rivet; 7, disperse antenna; 8, devitrified glass pallet; 9, silica gel; 10, bottom waveguide feed-in mouth; 11, side waveguide feed-in mouth; 12, immerging metal tube heater; 13, support; 14, immerging metal tube heater end face; 15, long wave is led solder side; 16, long wave is led enclosed space; 17, screw; 18, screw; 19, axle insertion end; 20, screw; 21, end face waveguide feed-in mouth; 22, back waveguide feed-in mouth; 23, fire door.24, plastics mica cover plate; 25, tray; 26, waveguide; 27, rotary tray motor.
The specific embodiment
Referring to Fig. 2, Fig. 6, Fig. 7 and Fig. 9, this is the combining form of side waveguide feed-in mouth 11 and bottom surface waveguide feed-in mouth 10.Equippedly at waveguide feed-in mouth 10 places, bottom surface disperse antenna 7 and disperse antenna motor 4.Furnace chamber right side in furnace cavity 1 is provided with waveguide openings 11, and the bottom surface of furnace chamber is provided with waveguide mouth 10, is provided with in the cavity bottom surface and disperses antenna 7, disperse antenna by the 6-1 riveted joint with disperse antenna axis 6 and link to each other, the axis 6 of dispersing antenna is inserted in the waveguide mouth 10; Disperse antenna and in waveguide 3-3, link to each other, rotate by the driving of motor 4 with ceramic electrical arbor 4-1.Disperse aerial head and be provided with devitrified glass pallet 8, the devitrified glass pallet is fixing with furnace chamber 1 by silica gel 9.
As Fig. 7 and Fig. 9, outside the furnace chamber 1 long wave is set and leads 3, long wave is led and is comprised E face waveguide bend 3-1, impedance conversion waveguide 3-2, antenna excitation waveguide 3-3 and straight wave guide 3-4; Straight wave guide is that little change is big to the cavity of waveguide bend transition; Waveguide bend is from large to small to the cavity of impedance conversion waveguide transition, and magnetron is positioned at side waveguide feed-in oral-lateral.Magnetron antenna probe 2-1 excites microwave, enters furnace chamber by waveguide openings 10 and 11; Long wave is led solder side 15 and cavity 1 welding, guarantees that it is the space of sealing that long wave is led enclosed space 16.At the back of excitation waveguide 3-3, welding motor mounting plate 5, motor 4 is installed on the installing plate by two screws 20.
As Fig. 8 and Fig. 9, dispersing the arranged outside immerging metal tube heater 12 of antenna 7.Immerging metal tube heater one side stand 13 is installed on furnace chamber 1 base plate by screw 17, and immerging metal tube heater 12 another routine end faces 14 are installed on the plate body base plate of furnace chamber 1 by screw 18.
The shape of dispersing antenna 7 can have multiple, and is different with the difference of cavity size, is generally an approximate disk, and disk is provided with the fluting of half-wave dipole structure or λ/10～λ/2, and surface current excites at the fluting place and is the microwave dissipate energy.The disc centre place is an axis, and axis cooperates on the one hand driven antenna to rotate with motor shaft, stretches on the other hand will be excited energy in the waveguide and be sent to antenna surface.Described disk and axis are aluminum material or suitable metal material, and axis is connected with riveted joint or screw with disk.
Disperse the front end that antenna 7 can be fixed on motor shaft 4-1 by variety of way, for conveniently dispersing the installation of antenna 7 and motor shaft 4-1, described motor shaft 4-1 is a ceramic shaft, and the preceding end section of axle is the D type, the described axle of dispersing antenna 7 is quill shaft 6, and is enclosed within on the described ceramic shaft 4-1.Certainly the front end of motor shaft 4-1 can be arranged to the axle of cross section for other shape, and disperses the hollow that the axis of antenna 7 is designed to meet with it, so that motor shaft 4-1 cooperates with sleeve.
Common described motor is arranged on the bottom of described waveguide, and motor mounting plate 5 is welded to the waveguide back side, and described motor adopts screw to be fastened on the installing plate 5.Described motor shaft 4-1, the opening by the waveguide back side is inserted in the waveguide.
Referring to Fig. 3, this is the combining form of side waveguide feed-in mouth 11 and end face waveguide feed-in mouth 21, is equipped with at end face waveguide feed-in mouth 21 places to disperse antenna 7 and disperse antenna motor 4.
Referring to Fig. 4 and Fig. 5, this is the combining form of side waveguide feed-in mouth 11 and back waveguide feed-in mouth 22, and waveguide feed-in mouth 22 places are equipped in the back disperses antenna 7 and disperse antenna motor 4.
In the foregoing description 2 and 3, configuration plastics/micarex 24 on disperse antenna 7.
In the foregoing description 1,2 and 3, tray 25 is directly placed on the furnace chamber base plate, or directly is placed on the step of furnace chamber base plate concave surface.Saved rotating disk like this, and microwave is uniformly dispersed.
In the above-mentioned specific embodiment, enter in the furnace chamber 1 of micro-wave oven,, form relatively uniformly in the horizontal direction and distribute through the wall emission and the metal covering scattering of dispersing antenna by the bottom by part microwave energy self-waveguide mouth 11; Another part microwave oven energy is after E face waveguide bend and impedance conversion waveguide transmission, enter furnace chamber through dispersing antenna 7, because antenna surface has fluting to cause the frequent excitation of electric current and electric field, owing to the rotation of antenna, makes the microwave energy of vertical direction evenly distribute simultaneously.Thereby crisscross microwave evenly disperses microwave on solid in furnace chamber 1, food is heated evenly.
The above-mentioned specific embodiment is not the qualification to the utility model protection domain, and according to invention intention purport of the present utility model, the specific embodiment can be done various remodeling, interpolation, replacement and variation.
Claims (6)
1, a kind of three-dimensional double source micro-wave oven, it comprises body of heater, furnace chamber, magnetron, waveguide, disperses antenna and disperses the antenna drive motors and side waveguide feed-in mouth, it is characterized in that: at least one face in furnace chamber end face, back or the bottom surface also is provided with waveguide feed-in mouth, disperses antenna and disperse the antenna drive motors to be arranged on this waveguide feedback porch.
2, three-dimensional double source micro-wave oven according to claim 1, it is characterized in that: waveguide feed-in mouth is two, is made up of side waveguide feed-in mouth and bottom surface waveguide feed-in mouth.
3, three-dimensional double source micro-wave oven according to claim 1 and 2, it is characterized in that: between side waveguide feed-in mouth and other waveguide feed-in mouth is that a long wave that is communicated with is led, long wave is led and is comprised straight wave guide, waveguide bend, impedance conversion waveguide and antenna excitation waveguide, and straight wave guide is that little change is big to the cavity of waveguide bend transition; Waveguide bend is from large to small to the cavity of impedance conversion waveguide transition, and magnetron is positioned at side waveguide feed-in oral-lateral.
4, three-dimensional double source micro-wave oven according to claim 3 is characterized in that: when another waveguide feed-in mouth during at furnace chamber back or end face, dispose plastics/micarex on disperse antenna.
5, three-dimensional double source micro-wave oven according to claim 2, it is characterized in that: the antenna bottom of dispersing in the bottom is provided with immerging metal tube heater, these heating tube both sides are fixed on the furnace chamber plate body, heating tube is being dispersed the antenna outside, the end devitrified glass that the step place of dispersing the corresponding described furnace chamber in top of antenna fastens is high temperature resistant, high strength, low microwave absorb, devitrified glass combines the slit with the cavity bottom surface and locates filling gel.
6, three-dimensional double source micro-wave oven according to claim 2, it is characterized in that: tray is directly placed on the furnace chamber base plate, or directly is placed on the step of furnace chamber base plate concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03217874 CN2624085Y (en) | 2003-05-31 | 2003-05-31 | Three-dimensional double source microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03217874 CN2624085Y (en) | 2003-05-31 | 2003-05-31 | Three-dimensional double source microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2624085Y true CN2624085Y (en) | 2004-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03217874 Expired - Fee Related CN2624085Y (en) | 2003-05-31 | 2003-05-31 | Three-dimensional double source microwave oven |
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| Country | Link |
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| CN (1) | CN2624085Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644946A (en) * | 2011-02-21 | 2012-08-22 | 株式会社东芝 | Cooking device |
| CN104373971A (en) * | 2014-11-13 | 2015-02-25 | 广东美的厨房电器制造有限公司 | Microwave oven and exciter for microwave oven |
| CN105357790A (en) * | 2015-12-21 | 2016-02-24 | 电子科技大学 | Double-tube microwave oven adopting circularly polarized helical antennae as radiators |
| CN105392227A (en) * | 2015-12-21 | 2016-03-09 | 电子科技大学 | Microwave oven using circularly polarized helical antenna as radiator |
| CN105509108A (en) * | 2015-12-21 | 2016-04-20 | 电子科技大学 | Microwave oven adopting cylindrical oven chamber and taking helical antenna as radiator |
| CN107734736A (en) * | 2017-11-10 | 2018-02-23 | 广东美的厨房电器制造有限公司 | Microwave cooking device |
| CN108236386A (en) * | 2016-12-23 | 2018-07-03 | 宁波方太厨具有限公司 | A kind of oven microwave oven all-in-one machine |
| CN108696958A (en) * | 2018-07-24 | 2018-10-23 | 电子科技大学 | A kind of double source double frequency micro-wave oven |
| CN109253476A (en) * | 2018-10-29 | 2019-01-22 | 广东美的厨房电器制造有限公司 | Thawing apparatus and micro-wave oven for micro-wave oven |
| CN109548214A (en) * | 2018-12-20 | 2019-03-29 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
| CN109963369A (en) * | 2019-03-29 | 2019-07-02 | 电子科技大学 | Dual magnetron household microwave oven |
| CN110151001A (en) * | 2019-05-31 | 2019-08-23 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN110360604A (en) * | 2019-08-12 | 2019-10-22 | 深圳市博威射频科技有限公司 | Safeguard structure in micro-wave oven Solid Source and the common heating system of magnetron |
-
2003
- 2003-05-31 CN CN 03217874 patent/CN2624085Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644946A (en) * | 2011-02-21 | 2012-08-22 | 株式会社东芝 | Cooking device |
| CN102644946B (en) * | 2011-02-21 | 2014-11-05 | 株式会社东芝 | Cooking device |
| CN104373971A (en) * | 2014-11-13 | 2015-02-25 | 广东美的厨房电器制造有限公司 | Microwave oven and exciter for microwave oven |
| CN105509108B (en) * | 2015-12-21 | 2018-01-12 | 电子科技大学 | A kind of micro-wave oven for using cylindrical chamber and making radiator with helical antenna |
| CN105392227A (en) * | 2015-12-21 | 2016-03-09 | 电子科技大学 | Microwave oven using circularly polarized helical antenna as radiator |
| CN105509108A (en) * | 2015-12-21 | 2016-04-20 | 电子科技大学 | Microwave oven adopting cylindrical oven chamber and taking helical antenna as radiator |
| CN105392227B (en) * | 2015-12-21 | 2017-12-15 | 电子科技大学 | It is a kind of using micro-wave oven of the spiral antenna with circular polarization as radiator |
| CN105357790B (en) * | 2015-12-21 | 2018-01-12 | 电子科技大学 | A kind of two-tube micro-wave oven for making radiator using spiral antenna with circular polarization |
| CN105357790A (en) * | 2015-12-21 | 2016-02-24 | 电子科技大学 | Double-tube microwave oven adopting circularly polarized helical antennae as radiators |
| CN108236386A (en) * | 2016-12-23 | 2018-07-03 | 宁波方太厨具有限公司 | A kind of oven microwave oven all-in-one machine |
| CN107734736A (en) * | 2017-11-10 | 2018-02-23 | 广东美的厨房电器制造有限公司 | Microwave cooking device |
| CN108696958A (en) * | 2018-07-24 | 2018-10-23 | 电子科技大学 | A kind of double source double frequency micro-wave oven |
| CN108696958B (en) * | 2018-07-24 | 2024-03-19 | 电子科技大学 | Dual-source dual-frequency microwave oven |
| CN109253476A (en) * | 2018-10-29 | 2019-01-22 | 广东美的厨房电器制造有限公司 | Thawing apparatus and micro-wave oven for micro-wave oven |
| CN109548214A (en) * | 2018-12-20 | 2019-03-29 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
| CN109548214B (en) * | 2018-12-20 | 2022-02-25 | 广东美的厨房电器制造有限公司 | Microwave oven with a heat exchanger |
| CN109963369A (en) * | 2019-03-29 | 2019-07-02 | 电子科技大学 | Dual magnetron household microwave oven |
| CN110151001A (en) * | 2019-05-31 | 2019-08-23 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN110360604A (en) * | 2019-08-12 | 2019-10-22 | 深圳市博威射频科技有限公司 | Safeguard structure in micro-wave oven Solid Source and the common heating system of magnetron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040707 Termination date: 20100531 |
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| CU03 | Correction of utility model patent gazette |
Correction item: cessation of patent right due to non-payment of the annual fee Correct: Revocation of the patent right False: Patent right to terminate Number: 32 Volume: 27 |
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| ERR | Gazette correction |
Free format text: CORRECT: CESSATION OF PATENT RIGHT DUE TO NON-PAYMENT OF THE ANNUAL FEE; FROM: CESSATION OF PATENT RIGHT DUE TO NON-PAYMENT OF THE ANNUAL FEE TO: REVOCATION CESSATION OF PATENT RIGHT DUE TO NON-PAYMENT OF THE ANNUAL FEE |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040707 Termination date: 20110531 |