CN102767854B - Microwave oven - Google Patents
Microwave oven Download PDFInfo
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- CN102767854B CN102767854B CN201210248814.8A CN201210248814A CN102767854B CN 102767854 B CN102767854 B CN 102767854B CN 201210248814 A CN201210248814 A CN 201210248814A CN 102767854 B CN102767854 B CN 102767854B
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- waveguide
- guide box
- microwave generator
- semiconductor microwave
- wave guide
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Abstract
The invention provides a microwave oven comprising at least two semiconductor microwave generators and a waveguide box, wherein the semiconductor microwave generators are connected with a direct current power supply; the waveguide box is connected with a waveguide opening arranged on a chamber body of the microwave oven; the waveguide box is provided with a plurality of waveguide holes communicated with the waveguide opening, wherein the amount of the waveguide holes is the same as the amount of the semiconductor microwave generators; the semiconductor microwave generators are respectively connected with the waveguide holes; and the waveguide box is provided with a plurality of independent waveguide spaces corresponding to all the waveguide holes. The purpose that at least two semiconductor microwave generators connected with the direct current power supply share a common waveguide box is achieved; microwaves generated by each semiconductor microwave generator are respectively transmitted from the independent waveguide spaces of the waveguide box to the chamber body so that mutual interference of the microwaves is avoided; and the microwave oven has the following characteristics of simpler and more compact structure, high microwave power and wide adjustable heating range.
Description
[technical field]
The present invention relates to a kind of culinary art household electrical appliances, refer in particular to a kind of micro-wave oven.
[background technology]
Micro-wave oven is used to the common cooking appliance of culinary art or heat food, it utilizes Microwave Heating to be placed in the food of microwave cavity indoor, traditional micro-wave oven is microwave magnetron stove, comprises the parts such as power supply, magnetron, transformer, high-voltage capacitance, high-voltage diode, control circuit, cooking cavity, fire door.Power supply provides high-tension electricity to magnetron, and magnetron, under power supply excitation, produces microwave continuously, then through Wave guide system, is coupled in cooking cavity.Its principle utilizes a kind of microwave of the magnetron in micro-wave oven, and this microwave is by after food absorption, and the hydrone of food produces the higher-order of oscillation, and the frictional heat produced by this higher-order of oscillation carrys out cooking food.Near the import department of furnace chamber, there is a rotatable agitator, because agitator is the metal of fan shape, after rotating, microwave is had to the reflection of all directions, microwave energy is evenly distributed in cooking cavity.Conventional magnetron pipe micro-wave oven needs employing 4000 volts of high voltage sourcies, there is Electrical Safety problem and complex structure, and the restriction being subject to each components and parts makes microwave magnetron stove comparatively large-scale and shape is restricted.
Along with the development of technology, occur adopting semiconductor to replace magnetron to produce the semiconductor microwave oven of microwave, it adopts semiconductor microwave generator to replace magnetron and produces and meets the microwave signal that the cooking requires amplitude, semiconductor microwave generator comprises microwave signal and produces circuit and power amplification circuit, by microwave antenna by microwave signal transmission to furnace chamber, this semiconductor microwave oven adopts low tension to provide working power for control circuit and semiconductor microwave generator.This semiconductor microwave furnace structure simplification, Electrical Safety, cost are low, configuration design can variation.Existing semiconductor microwave oven generally adopts a semiconductor microwave generator, and a wave guide box of arranging in pairs or groups realizes microwave importing cavity, microwave power is lower, and the adjustable extent of heating is little, if adopt two or more semiconductor microwave generator wave guide box of arranging in pairs or groups respectively to realize, then be unfavorable for that the miniaturization of product and structure simplify because complex structure, volume are comparatively large, and can be difficult to realize because components and parts receive the restriction of Structural assignments too much; The microwave that two or more semiconductor microwave generator sends can interact, and can produce danger, therefore on the basis of existing technology, still fails to find good solution.
Therefore, provide a kind of micro-wave oven simple and compact for structure, that microwave power is high, adjustable extent is wide real in necessary.
[summary of the invention]
The object of the present invention is to provide a kind of simple and compact for structure, microwave power is high, adjustable extent is wide micro-wave oven.
For realizing the object of the invention, provide following technical scheme:
The invention provides a kind of micro-wave oven, it comprises two or more semiconductor microwave generator be connected with dc source, with a wave guide box, this wave guide box is connected with waveguide mouth set on the cavity of micro-wave oven, this wave guide box is provided with the waveguide aperture communicated with waveguide mouth, this waveguide aperture is consistent with semiconductor microwave generator quantity, this semiconductor microwave generator is connected with described waveguide aperture respectively, namely two or more semiconductor microwave generator described are connected with same wave guide box, in this wave guide box, each waveguide aperture corresponding is formed with separate waveguide space.Present invention achieves two or more semiconductor microwave generator be connected with dc source and share a wave guide box, and separate in the wave guide box respectively waveguide space of the microwave that each semiconductor microwave generator produces is transmitted in cavity, avoid microwave to influence each other, make structure more simply compact, and microwave power is high, the adjustable extent of heating is large, solves complex structure in prior art, microwave and mutually disturbs the technical barrier causing arranging multiple semiconductor microwave generator.
This separate space can adopt numerous embodiments to realize, such as by arranging spacer and form two or more separate spaces in wave guide box, form angle of inclination between this spacer and waveguide aperture, be convenient to guide microwave to be delivered in cavity by waveguide oral instructions.
Or, inside for wave guide box die mould is formed depressed part, thus wave guide box interior separation is formed two or more separate spaces by this depressed part, between this depressed part inwall and waveguide aperture, form angle of inclination, be convenient to guide microwave to be delivered in cavity by waveguide oral instructions.
Especially, this semiconductor microwave generator has two, be respectively the first semiconductor microwave generator and the second semiconductor microwave generator, this wave guide box is provided with two described waveguide apertures, first semiconductor microwave generator and the second semiconductor microwave generator are connected with these two waveguide apertures respectively, the waveguide space communicated with two waveguide apertures that in wave guide box, formation two is separate.Two semiconductor microwave generator share a wave guide box, both higher microwave power can be obtained, increase adjustable extent, the impact between the microwave that the waveguide space that this two, wave guide box inside is separate simultaneously can avoid two semiconductor microwave generator to produce.
Same, this separate space can adopt numerous embodiments to realize, such as by arranging spacer and form two or more separate spaces in wave guide box, or inside for wave guide box die mould is formed depressed part, thus wave guide box interior separation is formed two or more separate spaces by this depressed part, form angle of inclination between this depressed part inwall and waveguide aperture, be convenient to guide microwave to be delivered in cavity by waveguide oral instructions.
One of them embodiment, be provided with spacer wave guide box being divided into two separate space in left and right in the middle of wave guide box, there is described waveguide aperture wave guide box both sides respectively correspondence.Adopt spacer can arrange in arbitrary-shaped waveguide box, and separate space can be split as required.
Another embodiment, inwardly form depressed part in the middle of this wave guide box and obtain two separate space in left and right, there is described waveguide aperture wave guide box both sides respectively correspondence.Depressed part and wave guide box are integrated, and structure is simple, easy to use.
Preferably, this semiconductor microwave generator is connected with waveguide aperture by switching nut, and transmission range is short, decreases the loss of microwave in transmitting procedure.
Preferably, this wave guide box welds or is riveted on the waveguide mouth of cavity, is connected firmly stable.
Preferably, each semiconductor microwave generator connects a dc source respectively, controls power source flexibly more convenient.
Due to the design feature of wave guide box, microwave between the semiconductor microwave generator of shared same wave guide box can not influence each other, therefore semiconductor microactuator wave launcher and wave guide box can be arranged on place possible arbitrarily as required, and this semiconductor microwave generator and wave guide box can be arranged on cavity top or bottom or side or below.
Contrast prior art, the present invention has the following advantages:
Present invention achieves two or more semiconductor microwave generator be connected with dc source and share a wave guide box, and separate in the wave guide box respectively waveguide space of the microwave that each semiconductor microwave generator produces is transmitted in cavity, avoid microwave to influence each other, and the setting position of semiconductor microwave generator and wave guide box can be selected various, combine more flexible, make structure more simply compact, and microwave power is high, the adjustable extent of heating is large, solve complex structure in prior art, microwave disturbs the technical barrier causing arranging multiple semiconductor microwave generator mutually.
[accompanying drawing explanation]
Fig. 1 is micro-wave oven decomposing schematic representation of the present invention;
Fig. 2 is the top view of micro-wave oven of the present invention;
Fig. 3 is the schematic diagram of the wave guide box separation structure embodiment one of micro-wave oven of the present invention;
Fig. 4 is the schematic diagram of the wave guide box separation structure embodiment two of micro-wave oven of the present invention.
[detailed description of the invention]
Refer to Fig. 1, micro-wave oven of the present invention comprises the first semiconductor microwave generator 3, second semiconductor microwave generator 5 and wave guide box 4, these two semiconductor microwave generator 3, 5 respectively with the first dc source 1, second dc source 6 connects, this wave guide box 4 is connected with waveguide mouth 2 set on the cavity 9 of micro-wave oven, these wave guide box 4 both sides are provided with waveguide aperture 41, inwardly form depressed part 42 in the middle of this wave guide box 4 and wave guide box interior separation is become two separate space, each space is to there being a waveguide aperture 41, the waveguide space communicated with two waveguide apertures that in wave guide box, formation two is separate, first semiconductor microwave generator 3 and the second semiconductor microwave generator 5 are connected with these two waveguide apertures 41 respectively.
Two semiconductor microwave generator share a wave guide box, both higher microwave power can be obtained, increase adjustable extent, the impact between the microwave that the waveguide space that this two, wave guide box inside is separate simultaneously can avoid two semiconductor microwave generator to produce.
Incorporated by reference to consulting Fig. 3, first semiconductor microwave generator 3, respectively by first day the end of a thread 31 and the second aerial head 51, microwave is imported cavity 9 through wave guide box 4 when second semiconductor microwave generator 5 works simultaneously, both sides microwave is kept apart by the depressed part 42 in the middle of wave guide box 4, avoid microwave to influence each other, the present embodiment achieves two semiconductor microwave generator and shares a wave guide box, separate in the wave guide box respectively waveguide space of the microwave that two semiconductor microwave generator produce is transmitted in cavity 9, make structure more simply compact, and microwave power is high, the adjustable extent of heating is large, solve complex structure in prior art, microwave disturbs the technical barrier causing arranging multiple semiconductor microwave generator mutually.
As shown in Figure 3, form angle of inclination between depressed part 42 inwall of this wave guide box 4 and both sides waveguide aperture, microwave runs into depressed part 42 inwall and reflects downwards in importing cavity 9 after importing.
In the present embodiment, semiconductor microwave generator is connected with the waveguide aperture of wave guide box by switching nut, and transmission range is short, decreases the loss of microwave in transmitting procedure.
In the present embodiment, this wave guide box is connected with the waveguide mouth on cavity by welding, is connected firmly stable.
See also Fig. 2, due to the design feature of wave guide box, microwave between the semiconductor microwave generator of shared same wave guide box can not influence each other, therefore semiconductor microactuator wave launcher and wave guide box can be arranged on place possible arbitrarily as required, in the present embodiment, this first semiconductor microwave generator 3, second semiconductor microwave generator 5, wave guide box 4, first power supply 1 and second source 6 are arranged on the top of cavity 9, the heat that in heating process, semiconductor microwave generator is distributed can make full use of in cavity, raise the efficiency, the remaining temperature that culinary art terminates rear semiconductor microwave generator can use cavity insulated food, first semiconductor microwave generator 3, second semiconductor microwave generator 5 is provided with radiator fan 10, for heat radiation.
Refer to Fig. 4, wave guide box can adopt numerous embodiments to the structure that microwave realizes separating, in another embodiment, both sides microwave is kept apart by the spacer 43 that arranges in the middle of wave guide box 4, avoid microwave to influence each other, the present embodiment achieves two semiconductor microwave generator and shares a wave guide box, separate in the wave guide box respectively waveguide space of the microwave that two semiconductor microwave generator produce is transmitted in cavity 9, this spacer 43 is V-arrangement, and form angle of inclination between waveguide aperture, be convenient to guide microwave to be delivered in cavity by waveguide oral instructions.
The foregoing is only preferred embodiment of the present invention, protection scope of the present invention is not limited thereto, and anyly all belongs within scope based on the equivalent transformation in technical solution of the present invention.
Claims (8)
1. a micro-wave oven, it comprises the semiconductor microwave generator be connected with dc source, and the wave guide box to be connected with waveguide mouth set on the cavity of micro-wave oven, it is characterized in that: two or more semiconductor microwave generator are connected with same wave guide box, wave guide box is provided with the waveguide aperture communicated with waveguide mouth, this waveguide aperture quantity is consistent with semiconductor microwave generator quantity, in wave guide box, each waveguide aperture corresponding is formed with separate waveguide space, and this semiconductor microwave generator is connected with waveguide aperture respectively; Described separate space is formed by arranging spacer in wave guide box; Angle of inclination is formed between described spacer and waveguide aperture.
2. micro-wave oven as claimed in claim 1, is characterized in that: this semiconductor microwave generator has two, is respectively the first semiconductor microwave generator and the second semiconductor microwave generator; This wave guide box is provided with two described waveguide apertures, and the first semiconductor microwave generator and the second semiconductor microwave generator are connected with these two waveguide apertures respectively, the waveguide space communicated with two waveguide apertures that in wave guide box, formation two is separate.
3. micro-wave oven as claimed in claim 1 or 2, is characterized in that: this separate space is by inwardly forming depressed part by wave guide box and realizing.
4. micro-wave oven as claimed in claim 3, is characterized in that: form angle of inclination between described depressed part inwall and waveguide aperture.
5. micro-wave oven as claimed in claim 1 or 2, is characterized in that: described semiconductor microwave generator is connected with waveguide aperture by switching nut.
6. micro-wave oven as claimed in claim 1 or 2, is characterized in that: described wave guide box welds or is riveted on the waveguide mouth of cavity.
7. micro-wave oven as claimed in claim 1 or 2, is characterized in that: each semiconductor microwave generator connects a dc source respectively.
8. micro-wave oven as claimed in claim 1 or 2, is characterized in that: described semiconductor microwave generator and wave guide box are arranged on cavity top or bottom or side or below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248814.8A CN102767854B (en) | 2012-07-18 | 2012-07-18 | Microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210248814.8A CN102767854B (en) | 2012-07-18 | 2012-07-18 | Microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767854A CN102767854A (en) | 2012-11-07 |
| CN102767854B true CN102767854B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210248814.8A Active CN102767854B (en) | 2012-07-18 | 2012-07-18 | Microwave oven |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113260105A (en) * | 2021-05-27 | 2021-08-13 | 广东美的厨房电器制造有限公司 | Microwave generation system of cooking utensil and cooking utensil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300447Y (en) * | 1997-02-24 | 1998-12-16 | 贺鹤明 | Chemical reactor with microwave generator |
| CN2338649Y (en) * | 1998-06-23 | 1999-09-15 | 国营南京电子管厂 | Muti-tube microwave unit combination type heating equipment |
| CN201251216Y (en) * | 2008-06-26 | 2009-06-03 | 美的集团有限公司 | Commercial microwave oven |
| CN102374557A (en) * | 2011-10-31 | 2012-03-14 | 广东美的微波电器制造有限公司 | Microwave feeding structure of semiconductor microwave oven |
| CN202733978U (en) * | 2012-07-18 | 2013-02-13 | 广东格兰仕微波炉电器制造有限公司 | Microwave oven |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080196243A1 (en) * | 2006-11-14 | 2008-08-21 | Texas Instruments Deutschland Gnbh | Device for Coupling Electromagnetic Radiation from a Source into a Microwave Chamber |
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2012
- 2012-07-18 CN CN201210248814.8A patent/CN102767854B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300447Y (en) * | 1997-02-24 | 1998-12-16 | 贺鹤明 | Chemical reactor with microwave generator |
| CN2338649Y (en) * | 1998-06-23 | 1999-09-15 | 国营南京电子管厂 | Muti-tube microwave unit combination type heating equipment |
| CN201251216Y (en) * | 2008-06-26 | 2009-06-03 | 美的集团有限公司 | Commercial microwave oven |
| CN102374557A (en) * | 2011-10-31 | 2012-03-14 | 广东美的微波电器制造有限公司 | Microwave feeding structure of semiconductor microwave oven |
| CN202733978U (en) * | 2012-07-18 | 2013-02-13 | 广东格兰仕微波炉电器制造有限公司 | Microwave oven |
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| CN102767854A (en) | 2012-11-07 |
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