CN103615751A - Microwave oven - Google Patents

Microwave oven Download PDF

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Publication number
CN103615751A
CN103615751A CN201310591047.5A CN201310591047A CN103615751A CN 103615751 A CN103615751 A CN 103615751A CN 201310591047 A CN201310591047 A CN 201310591047A CN 103615751 A CN103615751 A CN 103615751A
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CN
China
Prior art keywords
plate
air
air outlet
micro
wave oven
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CN201310591047.5A
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Chinese (zh)
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CN103615751B (en
Inventor
许娜
吴远兴
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美的集团股份有限公司
广东美的厨房电器制造有限公司
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Priority to CN201310591047.5A priority Critical patent/CN103615751B/en
Publication of CN103615751A publication Critical patent/CN103615751A/en
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Abstract

The invention provides a microwave oven which comprises a microwave oven shell defined by a bottom plate, an outer case, a front plate and a back plate, wherein an electrical room and a hollow cooking cavity are arranged in the shell; the hollow cooking cavity is defined by a top plate, the front plate, a U-shaped plate and the back plate, and is open at one end; the shell is provided with an air inlet and an air outlet; a fan is arranged in a manner of being dead against the air inlet; a heating pipe hood covering heating elements is arranged on the top plate; a first air channel is formed among a back wall of the heating pipe hood, the back plate and the outer case; a second air channel is formed among a front wall of the heating pipe hood, the front plate and the outer case; an air inlet hole is formed in a side plate of the U-shaped plate, and an air outlet hole is formed in the other side plate of the U-shaped plate; the air inlet hole, the air outlet hole and the cavity form a third air channel; in the electrical room, an air guide plate is arranged at the air outlet of the fan; the air guide plate can guide cold air blown out by the fan to pass through the first, second and third air channels respectively, and flow out via the air outlet. The microwave oven provided by the invention has the advantages that the temperature of the surface of the microwave oven can be effectively reduced, and the safety of the microwave oven is improved.

Description

Micro-wave oven
Technical field
The present invention relates to household appliance technical field, more specifically, relate to a kind of micro-wave oven.
Background technology
, there is following problem in the micro-wave oven with baking function or hot air convection function of existing use:
1, air channel is unreasonable, and fan blowing cold air blows everywhere, and the amount of heat that heater element and cavity are shed blows everywhere, can not effectively dispel the heat, thereby cause the surface temperature of micro-wave oven too high.
2, the insulation system of heating element is poorly sealed, and on outer cover, shutter is many, and the heat that causes heater element to produce directly falls apart to outer cover, makes outer cover temperature rise;
3, outer cover shutter is many, and some shutter, directly on the top of heating element, causes the heat of heating element to be directly delivered on outer cover, causes envelope temperature high;
4, form the louvre that the U-shaped plate of cooking cavity opens many, louvre has outward does not have heat insulation structural, directly the heat of cavity is discharged on outer cover;
Micro-wave oven is when using baking function or hot air convection function, and the problems referred to above all can cause the temperature rise of micro-wave oven outer surface, thereby exist, scalds hidden danger.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
, the object of the invention is to for this reason, provide a kind of simple in structure, heat radiation evenly, effectively reduces the micro-wave oven that envelope temperature is avoided scald accident.
For achieving the above object, the invention provides a kind of micro-wave oven, comprise: by base plate, outer cover, header board, the micro-wave oven casing that rear plate surrounds, in described housing, be provided with electric panel room and by top board, described header board, U-shaped plate, the hollow culinary art cavity of the end opening that described rear plate surrounds, described door body is positioned at the opening part of described culinary art cavity, described electric panel room is positioned at the outside of described U-shaped plate side plate, on described housing, be provided with air inlet and air outlet, described air inlet is arranged on described rear plate and is positioned at respect to described electric panel room side, over against described air inlet, place is provided with fan, described fan can be sucked into the cold air of described hull outside in described housing from described air inlet, on described top board, be provided with the heating tube cover that covers heater element, between the rear wall of described heating tube cover, described rear plate and described outer cover, form the first air channel, between the antetheca of described heating tube cover, described header board and described outer cover, form the second air channel, on described U-shaped plate side plate, be provided with fresh air inlet, on another side plate, be provided with exhaust vent, through described cavity, form the 3rd air channel, in described electric panel room, at the wind outlet of described fan, be provided with wind deflector, the cold wind that described wind deflector can blow out described fan leads respectively by described the first air channel, described the second air channel and described the 3rd air channel, and flows out through described air outlet.
According to micro-wave oven provided by the invention, simple in structure, be arranged on first air channel at micro-wave oven top, the second air channel and the 3rd air channel being arranged in culinary art cavity can make the heat producing in micro-wave oven shed regularly, effectively guaranteed the temperature of microwave oven surfaces, and then effectively guaranteed the security of micro-wave oven, specifically, during micro-wave oven work, the fan being arranged in electric panel room sucks extraneous cold air from the air inlet of rear plate, formation makes the cold wind of micro-wave oven heat radiation, by the wind deflector being arranged in electric panel room, cold wind is divided into two parts, part cold wind flows to the first air channel along wind deflector, heating tube cover is lowered the temperature, another part cold wind flows to the second air channel and the 3rd air channel along wind deflector bottom through electric panel room, the cold wind that flows to the second air channel through electric panel room can be to electric panel room, header board, heating tube cover carries out cooling down, the cold wind that flows to the 3rd air channel through electric panel room can be taken the steam in cooking cavity out of, like this, cold wind is respectively by the first air channel, electric panel room, the second air channel, discharge by air outlet in the 3rd air channel, the heat producing in micro-wave oven passes to cold wind and sheds from air outlet with cold wind, effectively reduced the temperature of microwave oven surfaces, and then effectively avoided the generation of scald accident, in addition, heater element is arranged on to heating tube cover inside, and the heat that heating tube cover can produce heater element seals, and plays heat-blocking action, on the one hand, the heat of effectively having avoided heater element to produce directly falls apart to outer cover, has reduced the temperature of outer cover, and then has reduced the temperature of microwave oven surfaces, improved the security of micro-wave oven, on the other hand, effectively reduce the outside distribute heat of heater element, thereby effectively improved the utilization rate of heater element.
In addition, the micro-wave oven providing according to the above embodiment of the present invention also has following additional technical feature:
According to one embodiment of present invention, on the outer surface of described another side plate of U-shaped plate, be provided with the wind scooper that can cover described exhaust vent, on described wind scooper, be provided with the opening towards described base plate, the wind in described the 3rd air channel flows out through described air outlet by the described opening of described wind scooper.
The setting of wind scooper, the heat that can make to cook in cavity directly flows to air outlet through wind scooper, avoided because the heat of culinary art in cavity is directly discharged on outer cover, caused envelope temperature too high and cause scald accident, and then guaranteed micro-wave oven security in use.
According to one embodiment of present invention, described air outlet comprises the first air outlet, the second air outlet being arranged on described rear plate and is arranged on the 3rd air outlet on described base plate, described the first air channel is connected with described the first air outlet and described the second air outlet, and described the second air channel and described the 3rd air channel are connected with described the 3rd air outlet.
Air outlet is arranged on base plate and backboard, on the one hand, effectively avoided the heat shedding in micro-wave oven directly to blow to user, cause user's inconvenience in use, on the other hand, base plate and rear plate are the region that user seldom touches, can effectively avoid the generation of scald accident, on the one hand, base plate and rear plate are the invisible surface in use procedure, have effectively guaranteed the appearance looks elegant of micro-wave oven again.
According to one embodiment of present invention, described the first air outlet is positioned at the top near the described top board at another side plate place of described U-shaped plate, described the second air outlet is positioned at the outside of described another side plate of U-shaped plate, and described the 3rd air outlet is relative with the opening of described wind scooper.
The setting of the first air outlet and the second air outlet, the wind in the first air channel of can making to flow through can directly flow out by the first air outlet and the second air outlet, the heat producing because of heater element is larger, use the heat that two air outlets produce heater element to discharge simultaneously, can make fast the heat on heating tube cover discharge, thereby effectively reduced the temperature on outer cover surface, and then guaranteed the security of micro-wave oven; In addition, the first air outlet is positioned at the top near the top board at another side plate place of U-shaped plate, the first air outlet and air inlet are positioned at the two ends of rear plate, like this, the wind in the first air channel of can making to flow through can be all carries out after cooling discharging through heating tube cover and to whole heating tube cover again, avoided cold wind that fan blows out also uncolled heating tube cover be just discharged from, cause the poor problem of heating tube cover cooling effect, effectively improved the cooling effect of heating tube cover; The 3rd air outlet is relative with the opening of wind scooper, the heat that makes to cook in cavity is directly discharged through the 3rd air outlet by wind scooper, has effectively avoided heat diffusion in culinary art cavity to outer cover, thereby has guaranteed the security of micro-wave oven.
According to one embodiment of present invention, be also provided with the 4th air outlet on described base plate, described the 4th air outlet is positioned at the below of described U-shaped plate base plate, and the wind in described electric panel room can flow out by described the 4th air outlet.
The setting of the 4th air outlet can shed the heat in electric panel room rapidly, makes can effectively the heat at the second air channel and place, the 3rd air channel be shed by the cold wind of electric panel room, to improve the security of micro-wave oven.
According to one embodiment of present invention, the side away from described electric panel room on described outer cover is provided with the 5th air outlet, and the wind in described outer cover can flow out from described the 5th air outlet.
The 5th air outlet is set on outer cover, wind in outer cover is flowed out through the 5th air outlet, and the heat in outer cover sheds from the 5th air outlet with the wind, has avoided heat to be trapped in outer cover, thereby effectively reduced the temperature on outer cover surface, the security that has further improved micro-wave oven.
According to one embodiment of present invention, the contiguous described header board of described the 5th air outlet and described base plate.
The contiguous header board of the 5th air outlet and base plate, that is to say, the 5th air outlet and air inlet are positioned at the place, two diagonal angles of micro-wave oven, like this, can extend cold wind in the path of microwave oven internal walking, thereby reach better cooling effect, and then improve the security of micro-wave oven.
According to one embodiment of present invention, in described electric panel room, be provided with magnetron, described wind deflector is arranged between described magnetron and described fan.
According to one embodiment of present invention, in described electric panel room, be also provided with transformer, between described transformer and described magnetron, there is the passage that air feed passes through.
Magnetron and transformer are arranged in electric panel room, and between transformer and magnetron, passage is set, the cold wind sucking through fan enters electric panel room along the bottom of wind deflector, after magnetron and transformer are cooled, along passage, flow to the second air channel the 3rd air outlet and flow out, like this, can extend the service life of magnetron and transformer, can reduce the surface temperature of micro-wave oven again, guarantee the security of micro-wave oven.
According to one embodiment of present invention, also comprise control panel, described control panel is arranged on described header board, and is positioned at described electric panel room side.
Control panel is arranged on header board, is convenient to user's operation, and control panel is positioned at electric panel room side, is convenient to being connected between each electric elements in control panel and electric panel room.
Additional aspect of the present invention and advantage will provide in description part below, and part will become obviously from the following description, 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 obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the structural representation of the micro-wave oven described in one embodiment of the invention;
Fig. 2 takes off the structural representation after outer cover in the micro-wave oven shown in Fig. 1;
Fig. 3 is the schematic diagram at one visual angle of dispelling the heat by the first air channel of the micro-wave oven shown in Fig. 2;
Fig. 4 is the schematic diagram at another visual angle of dispelling the heat by the first air channel of the micro-wave oven shown in Fig. 2;
Fig. 5 is the schematic diagram at one visual angle of dispelling the heat by the second air channel of the micro-wave oven shown in Fig. 2;
Fig. 6 is the schematic diagram at another visual angle of dispelling the heat by the second air channel of the micro-wave oven shown in Fig. 2;
Fig. 7 is the schematic diagram that the micro-wave oven shown in Fig. 2 dispels the heat by the 3rd air channel;
Fig. 8 is the schematic diagram that the micro-wave oven shown in Fig. 2 dispels the heat by the 4th air channel.
Wherein, in Fig. 1 to Fig. 8, the corresponding relation between Reference numeral and component names is:
100 micro-wave ovens, 200 culinary art cavitys, 300 electric panel rooms, 400 bodies, 500 control panels, 101 base plates, 1011 the 3rd air outlets, 1012 the 4th air outlets, 102 outer covers, 1021 the 5th air outlets, 103 header boards, 104 rear plates, 1041 air inlets, 1042 first air outlets, 1,043 second air outlets, 106 top boards, 107U shape plate, 1071 fresh air inlets, 1072 exhaust vents, 108 fans, 110 heating tube covers, 111 wind deflectors, 112 wind scoopers, 113 magnetrons, 114 transformers.
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 application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been 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 mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
1 to accompanying drawing 8, describe the micro-wave oven 100 providing according to some embodiments of the invention with reference to the accompanying drawings, in figure, arrow represents the flow direction of wind.
As depicted in figs. 1 and 2, the micro-wave oven 100 that one embodiment of the invention provides, comprise: control panel 500 and by base plate 101, outer cover 102, header board 103, micro-wave oven 100 housings that rear plate 104 surrounds, in housing, be provided with electric panel room 300 and by top board 106, header board 103, U-shaped plate 107, the hollow culinary art cavity 200 of the end opening that rear plate 104 surrounds, door body 400 is positioned at the opening part of culinary art cavity 200, electric panel room 300 is positioned at the outside of U-shaped plate 107 side plates, in electric panel room 300, be provided with magnetron 113 and transformer 114, between transformer 114 and magnetron 113, there is the passage that air feed passes through, control panel 500 is arranged on header board 103, and be positioned at electric panel room 300 sides.
Wherein, on housing, be provided with air inlet 1041 and air outlet, air inlet 1041 is arranged on rear plate 104 and is positioned at electric panel room 300 sides, and over against air inlet, 1041 places are provided with fan 108, and fan 108 can be sucked into the cold air of hull outside in housing from air inlet 1041; On top board 106, be provided with the heating tube cover 110 that covers heater element, between the rear wall of heating tube cover 110, rear plate 104 and outer cover 102, form the first air channel; Between the antetheca of heating tube cover 110, header board 103 and outer cover 102, form the second air channel; On U-shaped plate 107 side plates, be provided with fresh air inlet 1071, on another side plate, be provided with exhaust vent 1072, on the outer surface of another side plate of U-shaped plate, be provided with the wind scooper 112 that can cover described exhaust vent 1072, be provided with the opening towards base plate 101 on wind scooper 112, opening is connected with air outlet; In electric panel room 300, wind outlet at fan 108 is provided with wind deflector 111, wind deflector 111 is arranged between magnetron 113 and fan 108, and the cold wind that wind deflector 111 can blow out fan 108 leads respectively by the first air channel, the second air channel and the 3rd air channel, and flows out through air outlet.
According to micro-wave oven 100 provided by the invention, simple in structure, be arranged on first air channel at micro-wave oven 100 tops, the second air channel and be arranged on the heat that three air channel of culinary art in cavity 200 can micro-wave oven 100 interior generations and shed regularly, effectively guaranteed the temperature on micro-wave oven 100 surfaces, and then effectively guaranteed the security of micro-wave oven 100, specifically, during micro-wave oven 100 work, the fan 108 being arranged in electric panel room 300 sucks extraneous cold air from the air inlet 1041 of rear plate 104, formation makes the cold wind of micro-wave oven 100 heat radiations, by the wind deflector 111 being arranged in electric panel room 300, cold wind is divided into two parts, part cold wind flows to the first air channel along wind deflector 111, heating tube cover 110 is lowered the temperature, another part cold wind flows to the second air channel and the 3rd air channel along wind deflector 111 bottoms through electric panel room 300, the cold wind that flows to the second air channel through electric panel room 300 can be to electric panel room 300, header board 103, heating tube cover 110 is lowered the temperature, the cold wind that flows to the 3rd air channel through electric panel room 300 can be taken the steam in cooking cavity out of, like this, cold wind is respectively by the first air channel, electric panel room 300, the second air channel, discharge by air outlet in the 3rd air channel, the heat of micro-wave oven 100 interior generations passes to cold wind and sheds from air outlet with cold wind, effectively reduced the temperature on micro-wave oven 100 surfaces, and then effectively avoided the generation of scald accident,
In addition, control panel 500 is arranged on header board 103, is convenient to user's operation, and control panel 500 is positioned at electric panel room 300 sides, is convenient to being connected between each electric elements in control panel 500 and electric panel room 300; Between depressor and magnetron 113, passage is set, the cold wind sucking through fan 108 enters electric panel room 300 along the bottom of wind deflector 111, after magnetron 113 and transformer 114 are cooled, along passage, flowing to the second air channel flows out through air outlet, can extend the service life of magnetron 113 and transformer 114, can reduce the surface temperature of micro-wave oven 100 again, thereby guarantee the security of micro-wave oven 100; Heater element is arranged on to heating tube cover 110 inside, the heat that heating tube cover 110 can produce heater element seals, play heat-blocking action, on the one hand, the heat of effectively having avoided heater element to produce directly falls apart to outer cover 102, reduced the temperature of outer cover 102, and then reduced the temperature on micro-wave oven 100 surfaces, the security that has improved micro-wave oven 100, on the other hand, effectively reduce the outside distribute heat of heater element, thereby effectively improved the utilization rate of heater element; The setting of wind scooper 112, the heat that can make to cook in cavity 200 directly flows to air outlet through wind scooper 112, avoided being directly discharged on outer cover 102 because of the heat in culinary art cavity 200, cause outer cover 102 excess Temperatures and cause scald accident, and then guaranteed micro-wave oven 100 security in use.
As shown in Figure 3, the micro-wave oven 100 that one embodiment of the invention provides, air outlet comprises and is arranged on the first air outlet 1042, the second air outlet 1043 on rear plate 104 and is arranged on the 3rd air outlet 1011 on base plate 101, the first air channel is connected with the first air outlet 1042 and the second air outlet 1043, and the second air channel and the 3rd air channel are connected with the 3rd air outlet 1011.Air outlet is arranged on base plate 101 and backboard, on the one hand, can effectively avoid the heat shedding in micro-wave oven 100 directly to blow to user, cause user's inconvenience in use, on the other hand, base plate 101 and rear plate 104 are the region that user seldom touches, can effectively avoid the generation of scald accident, on the one hand, base plate 101 and rear plate 104 are the invisible surface in use procedure, have effectively guaranteed the appearance looks elegant of micro-wave oven 100 again.
Particularly, the first air outlet 1042 is positioned at the top near the described top board 106 at U-shaped plate 107 another side plate places, and the second air outlet 1043 is set in the outside of U-shaped plate 107 another side plates, and the 3rd air outlet 1011 is relative with the opening of wind scooper 112.Like this, the wind in the first air channel of flowing through can be directly flows out by the first air outlet 1042 and the second air outlet 1043, the heat producing because of heater element is larger, use the heat that two air outlets produce heater element to discharge simultaneously, can make fast the heat on heating tube cover 110 discharge, thereby effectively reduced the temperature on outer cover 102 surfaces, and then guaranteed the security of micro-wave oven 100; The 3rd air outlet 1011 is relative with the opening of wind scooper 112, the heat that makes to cook in cavity 200 is directly discharged through the 3rd air outlet 1011 by wind scooper 112, effectively avoid heat diffusion in culinary art cavity 200 to outer cover 102, thereby guaranteed the security of micro-wave oven 100;
In addition, the first air outlet 1042 is positioned at the top near the top board 106 at U-shaped plate 107 another side plate places, the first air outlet 1042 and air inlet 1041 are positioned at the two ends of rear plate 104, like this, the wind in the first air channel of can making to flow through can be all carries out after cooling discharging through heating tube cover 110 and to whole heating tube cover 100 again, avoided cold wind that fan 108 blows out also uncolled heating tube cover 110 be just discharged from, cause the poor problem of heating tube cover 110 cooling effects, effectively improved the cooling effect of heating tube cover 110.
As shown in Figure 5, the micro-wave oven 100 that one embodiment of the invention provides, is also provided with the below that the 4th air outlet 1012, the four air outlets 1012 are positioned at U-shaped plate 107 base plates on base plate 101, and the wind in electric panel room 300 can flow out by the 4th air outlet 1012.The setting of the 4th air outlet can shed the heat in electric panel room 300 rapidly, makes can effectively the heat at the second air channel and place, the 3rd air channel be shed by the cold wind of electric panel room 300, to improve the security of micro-wave oven 100.
As shown in Figure 1, the micro-wave oven 100 that one embodiment of the invention provides, the side away from electric panel room 300 on outer cover 102 is provided with the 5th air outlet 1021, and the wind in outer cover 102 can flow out from the 5th air outlet 1021; The contiguous header board 103 of the 5th air outlet 1021 and base plate 101.The 5th air outlet 1021 is set on outer cover 102, wind in outer cover 102 is flowed out through the 5th air outlet 1021, be that heat in outer cover 102 sheds from the 5th air outlet 1021 with the wind, avoided heat to be trapped in outer cover 102, thereby effectively reduced the temperature on outer cover 102 surfaces, the security that has further improved micro-wave oven 100; The contiguous header board 103 of the 5th air outlet 1021 and base plate 101, that is to say, the 5th air outlet 1021 and air inlet are positioned at the place, two diagonal angles of micro-wave oven 100, like this, can extend cold wind in the path of micro-wave oven 100 inner walkings, thereby reach better cooling effect, and then improve the security of micro-wave oven 100.
The heat radiation process that the micro-wave oven 100 providing is according to some embodiments of the invention provided with reference to Fig. 3 to Fig. 8 is as follows: as shown in Figure 3 and Figure 4.Magnetron 113 is positioned at electric panel room 300, air inlet 1041 is positioned at rear plate 104 relatively and electric panel room 300 side places, fan 108 is positioned at electric panel room 300 near air inlet 1041 places, fan 108 can suck cool ambient air air inlet on plate 104 1041 from micro-wave oven 100, magnetron 113 is right against fan 108 and arranges, between magnetron 113 and fan 108, be provided with wind deflector 111, the cold wind blowing out from fan 108 is divided into two parts:
A part flows along the first air channel between rear wall, rear plate 104 and the outer cover 102 of heating tube cover 110 after directly being changed direction by wind deflector 111, now, cold wind can cool to heating tube cover 110, finally from the first air outlet 1042 and second air outlet 1043 of rear plate 104, is discharged to micro-wave oven 100 outsides;
As shown in Figure 5 and Figure 6, another part is along wind deflector 111 belows process electric panel rooms 300, cool Hou Yi branch wind direction top board 106 of magnetron 113 in electric panel room 300, transformer 114 is flowed, then along antetheca and second air channel between outer cover 102 of header board 103, heating tube cover 110, flow, now, cold wind can cool to header board 103 and heating tube cover 110, and final the 3rd air outlet 1011 from base plate 101 is discharged to micro-wave oven 100 outsides.This part cold wind can cool to electric elements and header board 103 simultaneously, has both extended the service life of electric elements, has reduced again the surface temperature of micro-wave oven 100;
As shown in Figure 7, cold wind another part through electric panel room 300 enters in culinary art cavity 200 near the fresh air inlet 1071 electric panel room 300 side plates from the U-shaped plate of culinary art cavity 200, take away after the steam of culinary art cavity 200 inside, along the exhaust vent 1072 on another side plate of U-shaped plate, blow out, on the exhaust vent 1072 of another side plate of U-shaped plate, be covered with wind scooper 112, wind scooper 112 lower open, from the wind out of exhaust vent 1072 of culinary art cavity 200, under the effect of wind scooper 112, from wind scooper 112 bottoms, blow out, final the 3rd air outlet 1011 from base plate 101 is discharged to micro-wave oven 100 outsides,
As shown in Figure 8, four air outlet 1012 of the cold wind third part wind of process electric panel room 300 on base plate 101 is discharged to micro-wave oven 100 outsides.
In sum, micro-wave oven provided by the invention, there is the advantages such as simple in structure, safe, overall appearance, the setting of wind deflector, make the first air channel that cold wind passes through to arrange, the second air channel, the 3rd air channel to the whole regular heat radiation of micro-wave oven, the setting of wind scooper simultaneously, has avoided the heat direct effect of the discharge in culinary art cavity to outer cover, effectively reduce the temperature of microwave oven surfaces, guaranteed the security of micro-wave oven.
In description of the invention, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " be the object for describing only, and can not be interpreted as indication or hint relative importance; Unless otherwise clearly defined and limited; Term " installation ", " being connected " etc. all should be interpreted broadly, and for example, " being connected " can be to be directly connected, and also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in 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 the specific features of description, structure, material or feature can be with suitable mode combinations 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, comprise: the micro-wave oven casing being surrounded by base plate, outer cover, header board, rear plate, the hollow culinary art cavity of an end opening that is provided with electric panel room in described housing and is surrounded by top board, described header board, U-shaped plate, described rear plate, door body is positioned at the opening part of described culinary art cavity, described electric panel room is positioned at the outside of described U-shaped plate side plate, it is characterized in that
On described housing, be provided with air inlet and air outlet, described air inlet is arranged on described rear plate and is positioned at described electric panel room side, over against described air inlet, place is provided with fan, and described fan can be sucked into the cold air of described hull outside in described housing from described air inlet;
On described top board, be provided with the heating tube cover that covers heater element, between the rear wall of described heating tube cover, described rear plate and described outer cover, form the first air channel; Between the antetheca of described heating tube cover, described header board and described outer cover, form the second air channel; On described U-shaped plate side plate, be provided with fresh air inlet, on another side plate, be provided with exhaust vent, through described cavity, form the 3rd air channel;
In described electric panel room, at the wind outlet of described fan, be provided with wind deflector, the cold wind that described wind deflector can blow out described fan leads respectively by described the first air channel, described the second air channel and described the 3rd air channel, and flows out through described air outlet.
2. micro-wave oven according to claim 1, is characterized in that,
On the outer surface of described another side plate of U-shaped plate, be provided with the wind scooper that can cover described exhaust vent, described wind scooper is provided with the opening towards described base plate, and the wind in described the 3rd air channel flows out through described air outlet by the described opening of described wind scooper.
3. micro-wave oven according to claim 2, is characterized in that,
Described air outlet comprises the first air outlet, the second air outlet being arranged on described rear plate and is arranged on the 3rd air outlet on described base plate, described the first air channel is connected with described the first air outlet and described the second air outlet, and described the second air channel and described the 3rd air channel are connected with described the 3rd air outlet.
4. micro-wave oven according to claim 3, is characterized in that,
Described the first air outlet is positioned at the top near the described top board at another side plate place of described U-shaped plate, and described the second air outlet is positioned at the outside of described another side plate of U-shaped plate, and described the 3rd air outlet is relative with the opening of described wind scooper.
5. according to arbitrary described micro-wave oven in claim 1 to 4, it is characterized in that,
On described base plate, be also provided with the 4th air outlet, described the 4th air outlet is positioned at the below of described U-shaped plate base plate, and the wind in described electric panel room can flow out by described the 4th air outlet.
6. micro-wave oven according to claim 5, is characterized in that,
A side away from described electric panel room on described outer cover is provided with the 5th air outlet, and the wind in described outer cover can flow out from described the 5th air outlet.
7. micro-wave oven according to claim 6, is characterized in that,
The contiguous described header board of described the 5th air outlet and described base plate.
8. micro-wave oven according to claim 1, is characterized in that,
In described electric panel room, be provided with magnetron, described wind deflector is arranged between described magnetron and described fan.
9. micro-wave oven according to claim 8, is characterized in that,
In described electric panel room, be also provided with transformer, between described transformer and described magnetron, there is the passage that air feed passes through.
10. micro-wave oven according to claim 9, is characterized in that,
Also comprise control panel, described control panel is arranged on described header board, and is positioned at described electric panel room side.
CN201310591047.5A 2013-11-20 2013-11-20 Micro-wave oven Active CN103615751B (en)

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CN104776462A (en) * 2015-04-27 2015-07-15 广东格兰仕集团有限公司 Efficient heat dissipating air guide structure
CN106900099A (en) * 2017-02-28 2017-06-27 广东美的厨房电器制造有限公司 Cooker
WO2018072620A1 (en) * 2016-10-17 2018-04-26 广东美的厨房电器制造有限公司 Cavity of microwave oven and microwave oven having same
CN109028177A (en) * 2018-06-13 2018-12-18 广东美的厨房电器制造有限公司 Micro-wave oven

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EP1239224A1 (en) * 2001-03-07 2002-09-11 Brandt Industries Built-in electric houshold oven
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CN104776462A (en) * 2015-04-27 2015-07-15 广东格兰仕集团有限公司 Efficient heat dissipating air guide structure
WO2018072620A1 (en) * 2016-10-17 2018-04-26 广东美的厨房电器制造有限公司 Cavity of microwave oven and microwave oven having same
CN106900099A (en) * 2017-02-28 2017-06-27 广东美的厨房电器制造有限公司 Cooker
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CN109028177A (en) * 2018-06-13 2018-12-18 广东美的厨房电器制造有限公司 Micro-wave oven

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