CN101839507A - Flat plate microwave oven - Google Patents
Flat plate microwave oven Download PDFInfo
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- CN101839507A CN101839507A CN200910068211A CN200910068211A CN101839507A CN 101839507 A CN101839507 A CN 101839507A CN 200910068211 A CN200910068211 A CN 200910068211A CN 200910068211 A CN200910068211 A CN 200910068211A CN 101839507 A CN101839507 A CN 101839507A
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Abstract
The invention relates to a flat plate microwave oven. The microwave oven comprises a shell, an oven chamber, a magnetron, a transformer and a waveguide, wherein the bottom surface of the oven chamber adopts a bottom plate which can be penetrated through by microwave, a stirring cavity is formed under the bottom plate, a stirring fan is arranged in the stirring cavity, the side wall of the stirring cavity is provided with a gas inlet and a gas outlet, a ventilation channel arranged outside the stirring cavity is connected with the gas inlet; and the ventilation channel guides the gas flow generated through the rotation of a radiating fan during the operation of the microwave oven to the stirring cavity, and the gas flow drives the stirring fan to rotate. The operation of the stirring fan completely depends on the gas flow generated by the radiating fan, thus reducing the overall energy consumption of the microwave oven, fully utilizing the wind power generated by the radiating fan and lowering the production cost of the microwave oven.
Description
Technical field
The invention belongs to the technical field of micro-wave oven, be specifically related to a kind of air-flow that radiator fan is produced and be incorporated in the stir chamber, promotion stirring fan rotates, thereby makes the uniform more flat plate microwave oven of microwave distribution in the furnace chamber.
Technical background
Micro-wave oven is that magnetron produces microwave behind power connection, and these microwave irradiations on heating objects such as food and the device of cooking food.Such micro-wave oven can be divided into home-use micro-wave oven that is equipped with small-sized magnetron and the commerce micro-wave oven that is equipped with large-scale or a plurality of magnetrons.Micro-wave oven can also be divided into the glass rotating disk mode of home-use micro-wave oven or flat according to the mode of heat food, the commercial figure of confusion mode that mainly adopts the scattered radiation microwave with micro-wave oven.Commercial mainly be applicable to the convenience store that utilization rate is high and the food supply retail shop of cooking food at short notice, so generally need the high relatively output of more home-use micro-wave oven with micro-wave oven.
Fig. 1 is the structural representation of the flat plate microwave oven of prior art; Fig. 2 is the structural representation of furnace chamber of the flat plate microwave oven of prior art; Fig. 3 is the schematic diagram of the flat plate microwave oven furnace chamber inside of prior art; Fig. 4 is the schematic diagram of stir chamber inside of the flat plate microwave oven of prior art; Fig. 5 is the schematic diagram of stir chamber bottom of the flat plate microwave oven of prior art.
To shown in Figure 5, micro-wave oven comprises by the shell that forms outward appearance, furnace chamber 20 and is positioned at the electricity storage chamber 30 of furnace chamber 20 right side sides as Fig. 1, also comprises being located at 40 of furnace chamber 20 fronts.Right-hand member at the lateral surface of door 40 is provided with handle, and the two ends of handle are screwed with door 40 and are connected.Shell forms the micro-wave oven outward appearance, also plays the effect of the inner furnace chamber 20 of protection simultaneously, so shell generally will be made of the steel plate with certain intensity.Shell comprises the rear board 17 at the base plate 13 below the top panel 11 of the top and two sides that cover furnace chamber 20 simultaneously, protection, the front panel 15 that forms furnace chamber 20 fronts and protection furnace chamber 20 back sides.Furnace chamber 20 is spaces of cooking such as cooking food thing, constitutes the food after both can having put into food and take out the cooking from opening the place ahead of furnace chamber 20 by the tetragonal chest of front openings.There is certain space the right side side of furnace chamber 20, and this space is to be the electricity storage chamber 30 that electronic unit is set, and electricity storage chamber 30 inside are provided with a plurality of electronic units such as transformer 31, magnetron 33, capacitor 37.Be provided with control panel assembly 26 in the front of electricity storage chamber 30.
In addition, the inside of electricity storage chamber 30 is provided with demarcation strip 39 between transformer 31 and radiator fan 35.Transformer 31, radiator fan 35, capacitor 37 and demarcation strip 39 be fixed on sub-panel above.Between sub-panel and base plate 13 top at intervals.
In a plurality of electronic units, transformer 31 and magnetron 33 produce the microwave of irradiation furnace chamber 20 inside, and waveguide is connected with magnetron, and the microwave that magnetron is produced passes the oven cavity side wall guided in furnace chamber.Electronic unit generates heat in the process that produces microwave, so in the time of cooking food, the temperature of electricity storage chamber 30 rises.Need to suck extraneous air for the electricity storage chamber 30 of cooling off heating, so radiator fan 35 sucks extraneous air.
Waveguide 34 is connected with magnetron, the microwave that magnetron is produced passes the oven cavity side wall guided in furnace chamber, the bottom surface of micro-wave oven furnace chamber adopt can the transmission microwave base plate 41, make microwave can both penetrate base plate smoothly in the arbitrary face incident of base plate, has the stir chamber 42 of certain space in floor below formation, the inside of stir chamber is provided with the stirring fan of being made up of a plurality of flabellums 43, flabellum all is in level or according to forming identical angle between concrete instructions for use and the horizontal plane, stirring motor 44 is arranged on the outside, bottom of stir chamber, the bottom surface that the motor shaft 45 of stirring motor passes stir chamber is connected with the stirring fan, when running of microwave oven, stir fan and under the driving of stirring motor, rotate, make to stir to fan to play and break up the purpose that microwave promptly continues to change the microwave transfer direction.
But, there is following problem in the prior art:
In the flat plate microwave oven of prior art, stir fan and be by be arranged on outside the stir chamber stirring motor drove, independent stirring motor has improved the production cost of micro-wave oven, and the running of stirring motor needs micro-wave oven to provide extra circuit support to it, makes the internal wiring of micro-wave oven arrange complicated more.Stirring motor can produce noise when rotated, causes micro-wave oven externally noise increase of output when operation.In addition, stirring motor waveguide transmitting terminal easy and furnace chamber inside when running of microwave oven is struck sparks, and cause stirring motor to damage, and stirring motor also has bigger difficulty when maintain and replace.
Summary of the invention
The present invention provides a kind of air-flow that radiator fan is produced to be incorporated in the stir chamber for solving the technical problem that exists in the prior art, and rotation is fanned in the promotion stirring, thereby makes the uniform more flat plate microwave oven of microwave distribution in the furnace chamber.
The technical scheme that the present invention takes for the technical problem that exists in the solution prior art is:
Flat plate microwave oven of the present invention comprises: shell, form the outward appearance of micro-wave oven, and hold and protect the interior various parts of micro-wave oven; Furnace chamber is arranged on the inside of shell, is used to hold and the cavity of heat food; Magnetron is arranged on the furnace chamber outside, produces the microwave that heat food is used; Transformer is for magnetron imports high voltage; Waveguide is connected with magnetron, and the microwave that magnetron is produced is directed in the furnace chamber; Base plate, employing can the transmission microwave material make, form the bottom surface of micro-wave oven furnace chamber; Stir chamber, be arranged on floor below, the stirring fan is set in stir chamber inside, when running of microwave oven, stirring the fan rotation makes the distribution of microwave in furnace chamber more even, be respectively arranged with air inlet and exhaust outlet on the sidewall of stir chamber, the air-guiding aisle that is arranged on the stir chamber outside is connected with air inlet; The air-guiding aisle air guide of flow that the radiator fan rotation is produced during with running of microwave oven promotes to stir the fan rotation by air-flow in stir chamber.
The present invention can also adopt following technical measures:
Described stirring fan is provided with airflow plate, and the air that is entered by air inlet impacts promotion stirring fan rotation on airflow plate.
Described airflow plate by the flabellum that stirs fan upwards bending form, airflow plate that direction is set is vertical with the inflow direction of air.
Describedly around stirring fan baffle plate is set in that stir chamber is inner, baffle plate is divided into inner chamber and exocoel two parts with stir chamber, opening is set on the baffle plate inner chamber is connected with exocoel, and the baffle plate that is connected with stir chamber air inlet both sides is introduced directly into air-flow in the inner chamber.
The inner and outer wall of described baffle plate is smooth surface.
Exhaust outlet on the described stir chamber sidewall is a plurality of steam vents of evenly arranging.
The transmitting terminal of described waveguide is arranged on the rotating shaft position of stirring fan, and microwave is dispersed in furnace chamber from the center of stir chamber.
Advantage and good effect that the present invention has are:
In the flat plate microwave oven of the present invention, be respectively arranged with air inlet and exhaust outlet on the sidewall of stir chamber, the air guide of flow that the radiator fan rotation is produced during with running of microwave oven promotes to stir the fan rotation by air-flow in stir chamber, thereby finishes the stirring to microwave in the furnace chamber.The running of stirring fan in the present invention is fixed against the air-flow that radiator fan produces fully, the stirring motor parts that are arranged on the furnace chamber outside in the prior art have been cancelled, the overall energy consumption of micro-wave oven is reduced, made full use of the wind-force that radiator fan produces, reduced the cost during micro-wave oven is produced.In addition, in the rotary course that stirs fan, can't produce bigger noise, make micro-wave oven when operation, keep relatively quietly duty.When microwave is coupled into furnace chamber inside from the rotating shaft place of stirring fan, between stirring fan and waveguide transmitting terminal mutual interference can not take place, avoided the generation of spark phenomenon, make the operation of micro-wave oven safer, reduce the rate of breakdown that stirs the fan part, guaranteed the reliability of micro-wave oven.
Description of drawings
Fig. 1 is the structural representation of the flat plate microwave oven of prior art;
Fig. 2 is the structural representation of furnace chamber of the flat plate microwave oven of prior art;
Fig. 3 is the schematic diagram of the flat plate microwave oven furnace chamber inside of prior art;
Fig. 4 is the schematic diagram of stir chamber inside of the flat plate microwave oven of prior art;
Fig. 5 is the schematic diagram of stir chamber bottom of the flat plate microwave oven of prior art;
Fig. 6 is the schematic diagram of the stir chamber inside of the 1st embodiment middle plateform formula micro-wave oven of the present invention;
Fig. 7 is the schematic diagram that the air-guiding aisle of the 1st embodiment middle plateform formula micro-wave oven of the present invention is provided with the position;
Fig. 8 is the structural representation of the stir chamber bottom of the 1st embodiment middle plateform formula micro-wave oven of the present invention;
Fig. 9 is the schematic diagram that the air-guiding aisle of the 2nd embodiment middle plateform formula micro-wave oven of the present invention is provided with the position;
Figure 10 is the structural representation of the stir chamber bottom of the 2nd embodiment middle plateform formula micro-wave oven of the present invention;
Figure 11 is the schematic diagram of the furnace chamber inside of the 2nd embodiment middle plateform formula micro-wave oven of the present invention;
Figure 12 is the structural representation of the stir chamber air inlet part of flat plate microwave oven of the present invention.
The specific embodiment
It is following that the present invention is described in detail with reference to drawings and Examples:
Fig. 6 is the schematic diagram of the stir chamber inside of the 1st embodiment middle plateform formula micro-wave oven of the present invention; Fig. 7 is the schematic diagram that the air-guiding aisle of the 1st embodiment middle plateform formula micro-wave oven of the present invention is provided with the position; Fig. 8 is the structural representation of the stir chamber bottom of the 1st embodiment middle plateform formula micro-wave oven of the present invention; Fig. 9 is the schematic diagram that the air-guiding aisle of the 2nd embodiment middle plateform formula micro-wave oven of the present invention is provided with the position; Figure 10 is the structural representation of the stir chamber bottom of the 2nd embodiment middle plateform formula micro-wave oven of the present invention; Figure 11 is the schematic diagram of the furnace chamber inside of the 2nd embodiment middle plateform formula micro-wave oven of the present invention; Figure 12 is the structural representation of the stir chamber air inlet part of flat plate microwave oven of the present invention.
To shown in Figure 12, in the micro-wave oven of the present invention, shell forms the outward appearance of micro-wave oven as Fig. 6, holds and protect the interior various parts of micro-wave oven; Furnace chamber 20 is arranged on the inside of shell, is to be used to hold the also cavity of heat food; Magnetron 33 is arranged on the furnace chamber outside, produces the microwave that heat food is used; Transformer is that magnetron imports high voltage; Waveguide is connected with magnetron, the microwave that magnetron is produced is directed in the furnace chamber, the bottom surface of micro-wave oven furnace chamber adopt can the transmission microwave base plate 41, make microwave can both penetrate base plate smoothly in the arbitrary face incident of base plate, has the stir chamber 42 of certain space in floor below formation, the inside of stir chamber is provided with the stirring fan of being made up of a plurality of flabellums 46 43, and flabellum all is in level or according to the identical angle of formation between concrete instructions for use and the horizontal plane.Be respectively arranged with air inlet 63 and exhaust outlet on the sidewall of stir chamber, the air-guiding aisle that is arranged on the stir chamber outside is connected with air inlet; The air-guiding aisle 48 air guide of flow that the radiator fan rotation is produced during with running of microwave oven promotes to stir the fan rotation by air-flow in stir chamber.Stirring fan can one process, and also can be made of the flabellum of a plurality of separation and flabellum connecting portion independently.Break up the purpose that microwave promptly continues to change the microwave transfer direction for making to stir to fan to play, the stirring flabellum is made of the metal material of microwave reflection.
Air-guiding aisle 48 can be shown in the 1st embodiment in the accompanying drawing, the opening of one end is directly guided into the side of radiator fan 35, make radiator fan directly enter into air-guiding aisle inside, and be introduced in promotion stirring fan rotation in the stir chamber 42 by the air-flow that side direction produced.
Air-guiding aisle 48 also can be shown in the 2nd embodiment in the accompanying drawing, radiator fan axially, promptly the air-out direction over against radiator fan is provided with air inducing groove 49 large-area, that be connected with air-guiding aisle, make air under the guiding of air inducing groove, enter into air-guiding aisle inside, and be introduced in promotion stirring fan rotation in the stir chamber by air-guiding aisle.For the heat radiation that is provided with magnetron and transformer of avoiding the air inducing groove impacts, the air inducing groove can be arranged in the space between magnetron 33 and the transformer 31, perhaps the air inducing groove be arranged on the magnetron in the wind path that radiator fan produces and the rear of transformer.
Stir fan and be provided with airflow plate 47, airflow plate is upwards bent by the flabellum 46 that stirs fan and forms, airflow plate that direction is set is vertical with the inflow direction of air, the air vertical impact that enters from air inlet promotes to stir the fan rotation at airflow plate, brings bigger thrust for stirring fan.
Inner the fanning around stirring of stir chamber baffle plate 60 is set, the inner and outer wall of baffle plate is smooth surface.Baffle plate is divided into inner chamber 61 and exocoel 62 two parts with stir chamber, and the baffle plate that is connected with stir chamber air inlet both sides is introduced directly into air-flow in the inner chamber.The inner chamber that forms by baffle plate with the airflow limitation introduced in a less relatively space, make the flow direction of air more unified, the more impact of air-flow stirred on the airflow plate of fanning, guaranteed that simultaneously air flows with fast speeds, for the rotation of stirring fan brings bigger power, make stirring fan higher rotating speed of maintenance and rotation more steady, help meagre evenly dispersing.Opening is set on the baffle plate is connected inner chamber and exocoel, air folk prescription in the inner chamber is in flowing into exocoel, avoided influencing each other between air-flow, exhaust outlet on the stir chamber sidewall is a plurality of steam vents of evenly arranging 64, and the air in the exocoel just is discharged to outside the stir chamber by the steam vent on the stir chamber sidewall.The steam vent of evenly arranging can guarantee that the air in the exocoel can discharge rapidly uniformly, air in the inner chamber is flowed keep higher speed constantly.
The transmitting terminal 65 of waveguide is arranged on the rotating shaft position of stirring fan, and microwave is dispersed in furnace chamber from the center of stir chamber, has guaranteed the even distribution of microwave in furnace chamber inside.Equally, the transmitting terminal of waveguide also can be arranged on the side of furnace chamber, makes microwave enter into furnace chamber inside by sidewall.
The material of furnace chamber base plate 41 is glass or pottery.On the one hand, the base plate of glass or pottery can make microwave pass freely, thereby finishes incident and the outgoing of microwave to stir chamber, effectively controls the direction of transfer of microwave, reduces the loss of microwave; On the other hand, glass or pottery can be processed into smooth surface easily, can clear up the dirt that retains on the furnace chamber bottom surface more easily.
Since the user when using micro-wave oven that food is heated custom food is placed in centre position in the micro-wave oven furnace chamber, so stirring the position of fan also should be corresponding to the center of furnace chamber bottom surface, make microwave concentrate on the center of furnace chamber bottom surface relatively, thereby make the heating of food rapider from the outgoing in the stir chamber.
The furnace chamber sidewall of micro-wave oven links to each other with the bottom surface one of stir chamber, two parts that furnace chamber and stir chamber just spatially are divided into by base plate, thus can prevent effectively that microwave is to the leakage of outside in the furnace chamber.Closely cooperate as the base plate of furnace chamber bottom surface and the sidewall of furnace chamber, prevent that the liquid object in the furnace chamber from flowing in the stir chamber.
In the flat plate microwave oven of the present invention, be respectively arranged with air inlet and exhaust outlet on the sidewall of stir chamber, the air guide of flow that the radiator fan rotation is produced during with running of microwave oven promotes to stir the fan rotation by air-flow in stir chamber, thereby finishes the stirring to microwave in the furnace chamber.The running of stirring fan in the present invention is fixed against the air-flow that radiator fan produces fully, the stirring motor parts that are arranged on the furnace chamber outside in the prior art have been cancelled, the overall energy consumption of micro-wave oven is reduced, made full use of the wind-force that radiator fan produces, reduced the cost during micro-wave oven is produced.In addition, in the rotary course that stirs fan, can't produce bigger noise, make micro-wave oven when operation, keep relatively quietly duty.When microwave is coupled into furnace chamber inside from the rotating shaft place of stirring fan, between stirring fan and waveguide transmitting terminal mutual interference can not take place, avoided the generation of spark phenomenon, make the operation of micro-wave oven safer, reduce the rate of breakdown that stirs the fan part, guaranteed the reliability of micro-wave oven.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention with preferred embodiment openly as above, yet, be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, be the content that does not break away from technical solution of the present invention in every case, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all belong in the scope of technical solution of the present invention.
Claims (7)
1. flat plate microwave oven comprises: shell, form the outward appearance of micro-wave oven, and hold and protect the interior various parts of micro-wave oven; Furnace chamber is arranged on the inside of shell, is used to hold and the cavity of heat food; Magnetron is arranged on the furnace chamber outside, produces the microwave that heat food is used; Transformer is for magnetron imports high voltage; Radiator fan is drawn into air in the micro-wave oven, reduces the temperature of magnetron and transformer; Waveguide is connected with magnetron, and the microwave that magnetron is produced is directed in the furnace chamber; Base plate, employing can the transmission microwave material make, form the bottom surface of micro-wave oven furnace chamber; Stir chamber, be arranged on floor below, the stirring fan is set in stir chamber inside, when running of microwave oven, stirring the fan rotation makes the distribution of microwave in furnace chamber more even, it is characterized in that: be respectively arranged with air inlet and exhaust outlet on the sidewall of stir chamber, the air-guiding aisle that is arranged on the stir chamber outside is connected with air inlet; The air-guiding aisle air-flow that the radiator fan rotation is produced during with running of microwave oven is directed in the stir chamber, stirs fan and rotates under the promotion of air-flow.
2. flat plate microwave oven according to claim 1 is characterized in that: stir fan and be provided with airflow plate, the air that is entered by air inlet impacts promotion stirring fan rotation on airflow plate.
3. flat plate microwave oven according to claim 2 is characterized in that: airflow plate by the flabellum that stirs fan upwards bending form, airflow plate that direction is set is vertical with the inflow direction of air.
4. flat plate microwave oven according to claim 1, it is characterized in that: baffle plate is set inner the fanning of stir chamber around stirring, baffle plate is divided into inner chamber and exocoel two parts with stir chamber, opening is set on the baffle plate inner chamber is connected with exocoel, the baffle plate that is connected with stir chamber air inlet both sides is introduced directly into air-flow in the inner chamber.
5. flat plate microwave oven according to claim 4 is characterized in that: the inner and outer wall of baffle plate is smooth surface.
6. flat plate microwave oven according to claim 1 is characterized in that: the exhaust outlet on the stir chamber sidewall is a plurality of steam vents of evenly arranging.
7. flat plate microwave oven according to claim 1 is characterized in that: the transmitting terminal of waveguide is arranged on the rotating shaft position of stirring fan, and microwave is dispersed in furnace chamber from the center of stir chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910068211A CN101839507A (en) | 2009-03-20 | 2009-03-20 | Flat plate microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910068211A CN101839507A (en) | 2009-03-20 | 2009-03-20 | Flat plate microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101839507A true CN101839507A (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910068211A Pending CN101839507A (en) | 2009-03-20 | 2009-03-20 | Flat plate microwave oven |
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| Country | Link |
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| CN (1) | CN101839507A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144436A (en) * | 1976-06-17 | 1979-03-13 | General Electric Company | Microwave oven excitation system for promoting uniformity of energy distribution |
| CN1540213A (en) * | 2003-04-25 | 2004-10-27 | 乐金电子(天津)电器有限公司 | Structure of installing agitation fan in microwave oven |
| CN1752529A (en) * | 2004-09-20 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Surface plate structure for bottom of microwave oven chamber |
| CN201007511Y (en) * | 2007-01-31 | 2008-01-16 | 美的集团有限公司 | Flat microwave oven |
-
2009
- 2009-03-20 CN CN200910068211A patent/CN101839507A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144436A (en) * | 1976-06-17 | 1979-03-13 | General Electric Company | Microwave oven excitation system for promoting uniformity of energy distribution |
| CN1540213A (en) * | 2003-04-25 | 2004-10-27 | 乐金电子(天津)电器有限公司 | Structure of installing agitation fan in microwave oven |
| CN1752529A (en) * | 2004-09-20 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Surface plate structure for bottom of microwave oven chamber |
| CN201007511Y (en) * | 2007-01-31 | 2008-01-16 | 美的集团有限公司 | Flat microwave oven |
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Application publication date: 20100922 |
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