CN103807886A - Microwave oven - Google Patents

Microwave oven Download PDF

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Publication number
CN103807886A
CN103807886A CN201410039062.3A CN201410039062A CN103807886A CN 103807886 A CN103807886 A CN 103807886A CN 201410039062 A CN201410039062 A CN 201410039062A CN 103807886 A CN103807886 A CN 103807886A
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China
Prior art keywords
cavity
exhaust outlet
fan
plate
micro
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Granted
Application number
CN201410039062.3A
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Chinese (zh)
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CN103807886B (en
Inventor
吴远兴
许娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Priority to CN201410039062.3A priority Critical patent/CN103807886B/en
Publication of CN103807886A publication Critical patent/CN103807886A/en
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Publication of CN103807886B publication Critical patent/CN103807886B/en
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Abstract

The invention provides a microwave oven. The microwave oven comprises a shell, cavity plates, an oven door and a fan, wherein the shell is provided with an air inlet and a gas outlet; the cavity plates and the shell form a heating cavity body with an opening at the front end; one lateral plate of the cavity plates is provided with a cavity body gas outlet; the oven door is hinged with the shell, and forms a clearance with the shell; when the fan operates, partial air enters the heating cavity body from the clearance between the oven door and the shell, and then enters the fan from the cavity body gas outlet; the other part of air enters the fan from the air inlet of the shell, and air blown out by the fan passes through an electronic element and is exhausted from the gas outlet. The cavity plate of the microwave oven provided by the invention is only provided with the cavity body gas outlet, under the effect of the fan, intake air of the cavity body enters from the outside, and steam generated by heating food in the cavity body is exhausted from the cavity body gas outlet; meanwhile, air with steam, which is exhausted from the cavity body gas outlet, is guided to the fan, and is blown to the electronic element together with air sucked from the air inlet to be subjected to temperature reduction.

Description

Micro-wave oven
Technical field
The present invention relates to household appliance technical field, in particular to a kind of micro-wave oven.
Background technology
At present, micro-wave oven on market is mainly used in cooking food materials or heat food, food materials or food can produce water vapour while being positioned over the interior heating of heating cavity 501, can cause damage to the inwall of microwave oven body, in addition electrical equipment 8 self also can produce heat, affect service efficiency and the life-span of electrical equipment 8, therefore in existing microwave oven, as shown in Figure 1, cavity air inlet 502 is arranged on the right plate of heating cavity 501 lumen plates 5 and near control panel, the left plate of chamber plate 5 is provided with cavity exhaust outlet 503, in the electric panel room on chamber plate 5 right sides, be provided with fan 7 near rear plate 3 places, the extraneous cold wind sucking from the enterprising air port 301 of rear plate 3 is blowed to the electrical equipment 8 in electric panel room by fan 7, to electrical equipment 8 carry out cooling after, part wind continues to enter in heating cavity 501 by cavity air inlet 502, discharge heating cavity 501 finally by crossing cavity exhaust outlet 503, exhaust outlet 201 on outer cover 1 or base plate is discharged to outside micro-wave oven, extraneous time, can take away water vapour and the heat in heating cavity 501.
In the prior art, the wind that enters heating cavity 501 is blown in heating cavity 501 by fan 7, after the cooling electricity piece of wind that fan 7 blows out, entered in heating cavity 501 by the cavity air inlet 502 on chamber plate 5 right sides, and discharged by the cavity exhaust outlet 503 on chamber plate left side, when exhaust, can take away the water vapour in heating cavity 501, the draught area of air inlet is larger, intake is just more, the speed that water vapour is discharged is simultaneously also faster, but in having improved intake, also can make the faster of heat loss in heating cavity 501, can affect power output and the thermal efficiency of micro-wave oven, the draught area of air inlet is less, and the air quantity that enters heating cavity 501 is just few, can reduce the heat loss in heating cavity 501, but can reduce the radiating effect of wind for electrical equipment 8 simultaneously, and can make a large amount of water vapours condense into water at heating cavity 501 inwalls.
Summary of the invention
In order one of to solve the problems of the technologies described above at least, the invention provides a kind of micro-wave oven, comprising: housing, be provided with air inlet and exhaust outlet, and described housing front end is provided with opening on described housing; Chamber plate, described chamber plate and described housing form the heating cavity of front opening, and described heating cavity is positioned at the inside of described housing, and is provided with cavity exhaust outlet on the side plate of described chamber plate; Fire door, described fire door is hinged on described housing, for closing or open described heating cavity, and has gap between described fire door and described header board; And fan, described fan is arranged on a side of described chamber plate with respect to described cavity exhaust outlet; Wherein, when described fan work, the gap of a part of wind between fire door and described housing enters described heating cavity, then enters described fan from described cavity exhaust outlet; Another part wind enters described fan from described air inlet, and the wind that described fan blows out is discharged from described exhaust outlet after electrical equipment.
Micro-wave oven provided by the invention, only in a side of chamber plate, be provided with cavity exhaust outlet, the water vapour that food under the effect of fan in heating cavity produces is discharged heating cavity from cavity exhaust outlet, while being fan running, fan sucks the gas in heating cavity by cavity exhaust outlet, make to form to external world in heating cavity negative pressure state, outside air will enter in heating cavity by the gap between Men Tiyu header board, make the constantly discharge of the cavity exhaust outlet from the side plate of chamber plate of water vapour in heating cavity, thereby water vapour is discharged in heating cavity, can reduce like this water vapour liquefaction amount in heating cavity, prevent the infringement of the globule to microwave-oven-heating cavity inwall, in addition, the water vapour that cavity exhaust outlet is discharged can be diversed to fan, and jointly blow to electrical equipment by fan with the wind that air inlet by housing sucks electrical equipment is lowered the temperature, while passing through electrical equipment with the wind of water vapour, can absorb the heat that electrical equipment produces simultaneously, further electrical equipment is lowered the temperature, thus the service life of prolongation electrical equipment.
In addition, the micro-wave oven in above-described embodiment provided by the invention can also have following additional technical feature:
According to one embodiment of present invention, described housing comprises: rear plate, and described rear plate is provided with air inlet; Base plate, described base plate is provided with exhaust outlet; And outer cover, described outer cover, described rear plate and described base plate form housing described in front opening; Header board, described header board is positioned at described housing front end.
According to one embodiment of present invention, described cavity exhaust outlet is positioned on the plate side plate of chamber and near described rear plate.
According to one embodiment of present invention, corresponding described fan place, the right side of described rear plate is provided with described air inlet, and described cavity exhaust outlet is arranged on the right side of chamber plate, and between described fan and described air inlet.
According to one embodiment of present invention, described cavity exhaust outlet comprises on cavity exhaust outlet under exhaust outlet and cavity.
According to one embodiment of present invention, described micro-wave oven also comprises: blower tray, and described fan is fixed on blower tray, and described blower tray is provided with air-guiding aisle, described air-guiding aisle one end is connected with cavity exhaust outlet, for described fan that the wind of discharging from described exhaust outlet is led.
According to one embodiment of present invention, described air inlet comprises multiple air intake through holes.
According to one embodiment of present invention, described cavity exhaust outlet comprises multiple exhaust holes.
According to one embodiment of present invention, described outer cover comprises outer cowl top panel, left plate and right plate, and described outer cowl top panel, rear plate and right plate and plate right side, described chamber surround an electric panel room, and described electrical equipment and described fan are installed in described electric panel room.
According to one embodiment of present invention, described outer cover is integral type structure.
Additional aspect of the present invention and advantage will become in description part below obviously, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is micro-wave oven sectional structure schematic diagram described in the prior art;
Fig. 2 is the perspective view of micro-wave oven of the present invention;
Fig. 3 is that micro-wave oven of the present invention removes the perspective view after outer cover;
Fig. 4 is that micro-wave oven shown in Fig. 3 removes the perspective view after blower tray;
Fig. 5 is the sectional structure schematic diagram of micro-wave oven of the present invention.
Wherein, in Fig. 1 to Fig. 5, the corresponding relation between Reference numeral and component names is:
1 outer cover, 2 base plates, 201 exhaust outlets, 3 rear plates, 301 air inlets, 4 header boards, 5 chamber plates, 501 heating cavities, 502 cavity air inlets, 503 cavity exhaust outlets, exhaust outlet on 5031 cavitys, exhaust outlet under 5032 cavitys, 6 fire doors, 7 fans, 8 electrical equipments, 9 blower trays.
The direction of the direction indication Air Flow of arrow in figure.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Below with reference to Fig. 1 to Fig. 5, described according to some embodiments of the invention micro-wave oven is described.
Micro-wave oven provided by the invention, as shown in Figure 2, Figure 3 and Figure 4, comprising: rear plate 3, and described rear plate 3 is provided with air inlet 301; Base plate 2, described base plate 2 is provided with exhaust outlet 201; Outer cover 1, described outer cover 1 and described rear plate 3, base plate 2 form the housing of front opening; Chamber plate 5, described chamber plate 5 and rear plate 3 form the heating cavity 501 of front opening, enclosure interior described in described heating cavity 501, and be provided with cavity exhaust outlet 503 on the side plate of described chamber plate 5; Header board 4, described header board 4 is positioned at housing front end; Fire door 6, described fire door 6 is hinged on described housing, for closing or open described heating cavity 501, and has gap between described fire door 6 and described header board 4; With fan 7, described fan 7 is arranged on a side of described chamber plate 5 with respect to described cavity exhaust outlet 503; Wherein, in the time that described fan 7 is worked, the gap of a part of wind between fire door 6 and described header board 4 enter described heating cavity 501 interior, then enter described fan 7 from described cavity exhaust outlet 503; Another part wind enters described fan 7 from described air inlet 301, and the wind that described fan 7 blows out is discharged from described exhaust outlet 301 after electrical equipment 8.
Micro-wave oven provided by the invention, only in a side of chamber plate 5, be provided with cavity exhaust outlet 503, under the effect of fan 7, the water vapour that food in heating cavity 501 produces is discharged heating cavity 501 from cavity exhaust outlet 503, be that fan 7 is while turning round, as shown in Figure 5, fan 7 sucks the gas in heating cavity 501 by cavity exhaust outlet 503, make to form to external world in heating cavity 501 negative pressure state, outside air will enter in heating cavity 501 by the gap between fire door 6 and header board 4, water vapour in heating cavity 501 is constantly discharged from the cavity exhaust outlet 503 of a side of chamber plate 5, from the interior air draught of heating cavity 501, thereby make water vapour from the interior discharge of heating cavity 503, can reduce like this water vapour liquefaction amount in heating cavity, prevent the infringement of the inwall of the globule to microwave oven heating cavity, in addition, the water vapour that cavity exhaust outlet 503 is discharged can be diversed to fan 7, and jointly blow to electrical equipment 8 by fan 5 with the wind being sucked by air inlet 301, electrical equipment 8 is lowered the temperature, while passing through electrical equipment 8 with the wind of water vapour, can absorb the heat that electrical equipment 8 produces simultaneously, further electrical equipment 8 is lowered the temperature, thus the service life of prolongation electrical equipment 8.
Described electrical equipment 8 comprises the electric elements such as magnetron, transformer, and this is understandable for those of ordinary skills.
In one embodiment of the invention, as shown in Figures 2 and 3, described cavity exhaust outlet 503 is positioned on chamber plate 5 side plates and near rear plate 3.
Cavity exhaust outlet 503 is arranged on chamber plate 5 side plates and near rear plate 3, can extending the gap of outside air between fire door 6 and header board 4 and sucking in the interior mobile path of cavity 501, thereby farthest take away the steam in cavity 501 each corners, avoid the generation at steam dead angle, thereby reduce residual water vapour content in cavity.
In one embodiment of the invention, as shown in Figure 2, corresponding described fan 7 places, the right side of described rear plate 3 are provided with described air inlet 301, and described cavity exhaust outlet 503 is arranged on chamber plate 5 right plates between corresponding described fan 7 and described air inlet 301.
Cavity exhaust outlet 503 is arranged on chamber plate 5 right plates between corresponding described fan 7 and described air inlet 301, make fan 7 from 503 air draughts of cavity exhaust outlet, thereby make the less demand that can meet air quantity of air quantity sucking from air inlet 301, thereby can reduce the area of air inlet.
In one embodiment of the invention, as shown in Figure 4, described cavity exhaust outlet 503 comprises on cavity exhaust outlet 5032 under exhaust outlet 5031 and cavity.
Cavity exhaust outlet 503 comprises on cavity exhaust outlet 5032 under exhaust outlet 5031 and cavity, in the time that fan 8 turns round, fan 8 part and lower part air draught simultaneously from cavity 501 respectively, being conducive on the one hand the interior heat of cavity 501 mixes, the uniformity that improves heating, reduces the loss of cavity 501 heats on the other hand.
In one embodiment of the invention, as shown in Figure 2, described micro-wave oven also comprises: blower tray, described fan is fixed on blower tray, described blower tray is provided with air-guiding aisle, described air-guiding aisle one end is connected with cavity exhaust outlet, for the front side of described fan that the wind of discharging from described exhaust outlet is led.
Blower tray 9 on the one hand can fan attachment 8, on blower tray 9, be provided with air-guiding aisle simultaneously, air-guiding aisle one end is connected with cavity exhaust outlet 503, can make the wind with water vapour that cavity exhaust outlet 503 is discharged enter from air-guiding aisle one end, and be discharged to the front side of fan along air-guiding aisle, prevent that water vapour is affected by fan 5 and is blown to other positions; In addition, the wind with water vapour of discharging from cavity exhaust outlet 503 can be by air-guiding aisle water conservancy diversion the front side to fan 8, jointly sucked and blow to electrical equipment 8 by fan with the wind being sucked by air inlet 301, water vapour can absorb the heat that electrical equipment 8 produces, and electrical equipment 8 is lowered the temperature.
In one embodiment of the invention, as shown in Figure 3, described air inlet comprises multiple air intake through holes.
Air inlet 301 comprises that multiple air intake through holes, in the situation that guaranteeing air intake, can avoid foreign material to be sucked by fan 7, thereby affects the running of fan 7.
In one embodiment of the invention, as shown in Figure 4, described cavity exhaust outlet 503 comprises multiple exhaust holes.
Cavity exhaust outlet 503 comprises that multiple exhaust holes, in the situation that guaranteeing capacity, have the effect of shield microwaves, thereby reduces the probability of microwave leakage.
According to one embodiment of present invention, described outer cover comprises outer cowl top panel, left plate and right plate, and described outer cowl top panel, rear plate and right plate and plate right side, described chamber surround an electric panel room, and described electrical equipment and described fan are installed in described electric panel room.
Electric panel room is arranged to the right side of chamber plate 5, the control panel that the electrical equipment 8 in electric panel room connects also will be arranged at the right side of micro-wave oven, is applicable to the use habit of most people, user-friendly.
According to one embodiment of present invention, described outer cover is integral type structure.
Outer cover integral structure makes outer cover 1 tool entirety have good intensity, thereby has improved the service life of outer cover 1.
In description of the invention, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, " left side ", " right side ", 'fornt', 'back' be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or unit must have specific direction, construct and operation with specific orientation, therefore, can not be interpreted as limitation of the present invention.
In the description of this description, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a micro-wave oven, is characterized in that, comprising:
Housing, is provided with air inlet and exhaust outlet on described housing, and described housing front end is provided with opening;
Chamber plate, described chamber plate and described housing form the heating cavity of front opening, and described heating cavity is positioned at the inside of described housing, and is provided with cavity exhaust outlet on the side plate of described chamber plate;
Fire door, described fire door is hinged on described housing, for closing or open described heating cavity, and has gap between described fire door and described header board; With
Fan, described fan is arranged on a side of described chamber plate with respect to described cavity exhaust outlet;
Wherein, when described fan work, the gap of a part of wind between fire door and described housing enters described heating cavity, then enters described fan from described cavity exhaust outlet; Another part wind enters described fan from described air inlet, and the wind that described fan blows out is discharged from described exhaust outlet after electrical equipment.
2. according to the micro-wave oven shown in claim 1, it is characterized in that, described housing comprises:
Rear plate, described rear plate is provided with air inlet;
Base plate, described base plate is provided with exhaust outlet; With
Outer cover, described outer cover, described rear plate and described base plate form housing described in front opening;
Header board, described header board is positioned at described housing front end.
3. micro-wave oven according to claim 2, is characterized in that, described cavity exhaust outlet is positioned on the side plate of chamber plate and near described rear plate.
4. micro-wave oven according to claim 3, is characterized in that, the corresponding described fan place, right side of described rear plate is provided with described air inlet, and described cavity exhaust outlet is arranged on the right side of described chamber plate, and between described fan and described air inlet.
5. micro-wave oven according to claim 4, is characterized in that, described cavity exhaust outlet comprises on cavity exhaust outlet under exhaust outlet and cavity.
6. according to the micro-wave oven described in any one in claim 1 to 5, it is characterized in that, also comprise: blower tray, described fan is fixed on blower tray, described blower tray is provided with air-guiding aisle, one end of described air-guiding aisle is connected with cavity exhaust outlet, for described fan that the wind of discharging from described exhaust outlet is led.
7. micro-wave oven according to claim 6, is characterized in that, described air inlet comprises multiple air intake through holes.
8. micro-wave oven according to claim 6, is characterized in that, described cavity exhaust outlet comprises multiple exhaust holes.
9. micro-wave oven according to claim 6, it is characterized in that, described outer cover comprises outer cowl top panel, left plate and right plate, and described outer cowl top panel, rear plate and right plate and plate right side, described chamber surround an electric panel room, and described electrical equipment and described fan are installed in described electric panel room.
10. micro-wave oven according to claim 6, is characterized in that, described outer cover is integral type structure.
CN201410039062.3A 2014-01-26 2014-01-26 Micro-wave oven Active CN103807886B (en)

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CN103807886B CN103807886B (en) 2015-12-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765364A (en) * 2017-03-17 2017-05-31 青岛兴邦烤箱有限公司 Micro-wave oven suction air structure
CN111227671A (en) * 2020-03-26 2020-06-05 九阳股份有限公司 Steam control method of food processor and food processor

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0264321A (en) * 1988-08-31 1990-03-05 Matsushita Electric Ind Co Ltd Heater device
JPH02154922A (en) * 1988-12-08 1990-06-14 Matsushita Electric Ind Co Ltd Microwave oven
JP2502660B2 (en) * 1988-02-29 1996-05-29 松下電器産業株式会社 Cooking device
CN1209525A (en) * 1997-08-23 1999-03-03 三星电子株式会社 Micro-wave oven
CN1223357A (en) * 1997-11-15 1999-07-21 Lg电子株式会社 Air circulation structure for microwave oven
CN1459587A (en) * 2002-05-23 2003-12-03 三星电子株式会社 Wall microwave oven
CN1779356A (en) * 2004-11-26 2006-05-31 乐金电子(天津)电器有限公司 Convection microwave oven
CN203099924U (en) * 2013-01-21 2013-07-31 广东美的微波电器制造有限公司 Microwave oven
CN203718851U (en) * 2014-01-26 2014-07-16 广东美的厨房电器制造有限公司 Microwave oven

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2502660B2 (en) * 1988-02-29 1996-05-29 松下電器産業株式会社 Cooking device
JPH0264321A (en) * 1988-08-31 1990-03-05 Matsushita Electric Ind Co Ltd Heater device
JPH02154922A (en) * 1988-12-08 1990-06-14 Matsushita Electric Ind Co Ltd Microwave oven
CN1209525A (en) * 1997-08-23 1999-03-03 三星电子株式会社 Micro-wave oven
CN1223357A (en) * 1997-11-15 1999-07-21 Lg电子株式会社 Air circulation structure for microwave oven
CN1459587A (en) * 2002-05-23 2003-12-03 三星电子株式会社 Wall microwave oven
CN1779356A (en) * 2004-11-26 2006-05-31 乐金电子(天津)电器有限公司 Convection microwave oven
CN203099924U (en) * 2013-01-21 2013-07-31 广东美的微波电器制造有限公司 Microwave oven
CN203718851U (en) * 2014-01-26 2014-07-16 广东美的厨房电器制造有限公司 Microwave oven

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106765364A (en) * 2017-03-17 2017-05-31 青岛兴邦烤箱有限公司 Micro-wave oven suction air structure
CN111227671A (en) * 2020-03-26 2020-06-05 九阳股份有限公司 Steam control method of food processor and food processor

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