CN104633726A - Drawer-type microwave oven - Google Patents
Drawer-type microwave oven Download PDFInfo
- Publication number
- CN104633726A CN104633726A CN201310558059.8A CN201310558059A CN104633726A CN 104633726 A CN104633726 A CN 104633726A CN 201310558059 A CN201310558059 A CN 201310558059A CN 104633726 A CN104633726 A CN 104633726A
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- Prior art keywords
- air channel
- air
- cavity
- outer cover
- drawer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/02—Stoves or ranges heated by electric energy using microwaves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/006—Arrangements for circulation of cooling air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Ovens (AREA)
Abstract
The invention discloses a drawer-type microwave oven which comprises an outer cover, a cavity part, a microwave generating device, an air drive part and an air cooling passage, wherein the cavity part is embedded in the outer cover, the front side is open, the cavity part comprises a cavity front plate, an air outlet is formed in the upper part of the cavity front plate, and an air inlet is formed in the lower part of the cavity front plate; and the air cooling passage is formed in space between the outer cover and the cavity part embedded in the outer cover. According to the drawer-type microwave oven, through a design of the air cooling passage between the cavity part and the outer cover, temperature rising of components during a use process of the drawer-type microwave oven is reduced, so that the service life of each component in the drawer-type microwave oven is prolonged.
Description
Technical field
The present invention relates to household electrical appliance technical field, specifically, particularly a kind of drawer-type microwave oven.
Background technology
In existing drawer-type microwave oven, due to product structure particularity, air intake and air-out is caused not to distinguish significantly.In existing Duct design, cold wind air channel and hot air duct design comparison confusion, can not solve raising well and utilize cold wind to carry out the efficiency cooled.In other Duct design, the problem that the cold wind that existence enters is less.
In existing design, because although the air inlet of the cold wind of drawer-type microwave oven and the air outlet of hot blast are not same positions, but owing to being all positioned in same panel, this easily causes the hot blast meeting blown out at once by cold wind mouth inspiration micro-wave oven, thus affect the normal circulation of quenching system, and affect the cooling effectiveness of air intake.In addition, the air intake at cold air inlet place is abundant not, thus can not cold wind be utilized well to lower the temperature, to protect microwave generator.This easily causes the decline in the service life of microwave generator.
In addition, due to the cold wind loop design existing defects of existing drawer-type microwave oven, cooling fan can only cool single high heat producing component, or a few high heat producing component, thus can not meet the overall cold wind circulation requirement of whole drawer-type microwave oven.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.
For this reason, the present invention needs to provide a kind of drawer-type microwave oven, can be improved the cooling effectiveness of cold wind by the Duct design of the improvement of this drawer-type microwave oven.
In addition, the present invention also needs to provide a kind of drawer-type microwave oven, can be improved the problem in service life of electronic devices and components in drawer-type microwave oven by the Duct design of the improvement of this drawer-type microwave oven.
In view of this, according to one embodiment of present invention, be at least one in solving the problem, provide a kind of drawer-type microwave oven.This drawer-type microwave oven can comprise: outer cover, the front openings of described outer cover; Cavity portion, described cavity portion is embedded in described outer cover and front side is opened wide, and described cavity portion comprises cavity header board, and the top of described cavity header board is formed with air outlet, and its underpart is formed with air inlet; Microwave generating apparatus, in the space being contained between described outer cover and described cavity portion at least partially of described microwave generating apparatus; Wind driver part, described wind driver part is disposed adjacent with described microwave generating apparatus and for driving air to move at least partially described in described microwave generating apparatus; And the spatial configuration between described outer cover and the described cavity portion being embedded in described outer cover has cooling air channel.
Described cooling air channel comprises: air channel, bottom, and air channel, described bottom formed by the space between the bottom of described outer cover and the bottom of relative described cavity portion; Air duct at top, described air duct at top formed by the space between the top of described outer cover and the top of relative described cavity portion, wherein air is introduced to cool described in described microwave generating apparatus in air channel, described bottom and via the driving of described wind driver part by described air inlet and is communicated to described air duct at top afterwards at least partially, and discharges via described air outlet.
According to the drawer-type microwave oven of the embodiment of the present invention, by arranging cooling air channel between cavity portion and outer cover, improve the cooling effectiveness of cooling air channel, reduce the temperature rise of drawer-type microwave oven in use each components and parts, thus improve the service life of each components and parts in drawer-type microwave oven.
According to one embodiment of present invention, drawer-type microwave oven comprises: electronic control part, and described electronic control part is arranged in the described space between described cavity portion and described outer cover.
According to one embodiment of present invention, described cooling air channel also comprises: rear air channel, and described rear air channel is separated by plate after the outer cover of plate and the described outer cover relative with plate after described cavity after the cavity of described cavity portion; Wherein said microwave generating apparatus and described wind driver part are arranged in the rear in air channel, and described rear air channel is connected with air channel, described bottom.
According to one embodiment of present invention, the first opening portion that described rear air channel is formed by the bottom of plate after described cavity is connected with air channel, described bottom; And described electronic control part comprises pcb board, described pcb board arranges and is disposed adjacent with described first opening portion in air channel in the rear.
According to one embodiment of present invention, drawer-type microwave oven comprises further: vertical separating plate, described rear air channel is separated by described vertical separating plate, and described wind driver part is arranged on the top of described vertical separating plate, air driven to be moved towards described microwave generating apparatus.
According to one embodiment of present invention, the side being positioned at the air-out direction of described wind driver part stating cavity portion is formed with side direction air channel, described side direction air channel is connected with described rear air channel by the second opening portion on plate after being formed in described cavity, wherein said side direction air channel and air channel, described bottom isolated.
According to one embodiment of present invention, described rear air channel is connected with described air duct at top by the 3rd opening portion be formed on the cavity top board of described cavity portion, and wherein said 3rd opening is in being separated by described vertical separating plate and being positioned in the part of the described air-out direction of described wind driver part.
According to one embodiment of present invention, drawer-type microwave oven comprises further: wind scooper, and the described air that described wind scooper is arranged to described wind driver part to drive guides towards described second opening portion and described 3rd opening portion at least respectively.
According to one embodiment of present invention, described cooling air channel comprises further: steam air channel, and described steam air duct structure becomes to be connected with described rear air channel and described air duct at top respectively the inside of described cavity portion.
According to one embodiment of present invention, described steam air channel is connected with described rear air channel by the 4th opening portion, and described 4th opening portion formed by relative with described wind scooper and after being formed in described cavity on plate multiple open pores.
According to one embodiment of present invention, relative with described 4th opening portion described wind scooper is formed with the 5th opening portion further.
According to one embodiment of present invention, described air inlet is formed with wind deflector, and described wind deflector is positioned at air channel, described bottom and tilts relative to described cavity header board, and the lower end of wherein said wind deflector is connected with described cavity header board.
Provide a kind of drawer-type microwave oven according to another aspect of the present invention, comprising: outer cover, open wide and plate, the left plate of outer cover and outer cover right panel, outer cowl top panel and outer cover base plate after comprising outer cover on front side of described outer cover; Cavity portion, described cavity portion is embedded in described outer cover and front side is opened wide, described cavity portion comprises plate after cavity header board, cavity, the left plate of cavity and cavity right panel, cavity top board and well floor, described cavity header board is connected with the described front openings of described outer cover and is separated by the drawer inserted in described cavity portion, superposed described cavity header board is formed with air outlet, the described cavity header board being positioned at bottom is formed with air inlet; The cooling air channel be communicated with air outlet with described air inlet is formed between described cavity portion and described outer cover.Cooling air channel can comprise: the air channel, bottom between described well floor and described outer cover base plate, air duct at top between described cavity top board and described outer cowl top panel, rear air channel after side direction air channel between described cavity right panel and described outer cover right panel and described cavity after plate and described outer cover between plate, wherein air introduces air channel, described bottom by described air inlet, air channel, described bottom is connected with described rear air channel and isolated with described side direction air channel, described side direction air channel is connected with described air duct at top, and described rear air channel be connected with described air duct at top with by described air communication to described air duct at top and being discharged by described air outlet, microwave generating apparatus, the setting at least partially of described microwave generating apparatus is in the rear in air channel, fan, described fan is established in the rear in air channel, moves towards described microwave generating apparatus for driving described air.
According to the drawer-type microwave oven of the embodiment of the present invention, by arranging cooling air channel between cavity portion and outer cover, improve the cooling effectiveness of cooling air channel, reduce the temperature rise of drawer-type microwave oven in use each components and parts, meet the temperature increase requirement of multiple high heat producing component in drawer-type microwave oven, thus improve the service life of each components and parts in drawer-type microwave oven.
According to one embodiment of present invention, drawer-type microwave oven comprises further: vertical separating plate, described rear air channel is separated by described vertical separating plate, and described fan to be arranged in described vertical separating plate and adjacent with described microwave generating apparatus, so that air driven is moved towards described microwave generating apparatus.
According to one embodiment of present invention, drawer-type microwave oven comprises further: wind scooper, described wind scooper is connected to described microwave generating apparatus, and the described air being arranged to described fan to drive guides towards described side direction air channel and described air duct at top at least respectively.
According to one embodiment of present invention, described cooling air channel comprises further: steam air channel, and described steam air duct structure becomes to be connected with described rear air channel and described air duct at top respectively the inside of described cavity portion.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the perspective view of drawer-type microwave oven according to an embodiment of the invention;
Fig. 2 is another perspective view of drawer-type microwave oven according to an embodiment of the invention, and wherein drawer and door body are removed;
Fig. 3 is drawer-type microwave oven perspective view that is according to an embodiment of the invention, partial cross, and air is shown from end channel connection to rear passage;
Fig. 4 is drawer-type microwave oven perspective view according to an embodiment of the invention, and wherein drawer is opened and air carries out air intake from foot passage;
Fig. 5 is drawer-type microwave oven perspective view according to an embodiment of the invention, which show air and flows to right passage from rear passage and then flow to top passageway;
Fig. 6 is drawer-type microwave oven perspective view according to an embodiment of the invention, which show air and flows to top passageway from rear passage;
Fig. 7 is drawer-type microwave oven perspective view according to an embodiment of the invention, which show air and flows to top passageway from the inside of cavity portion.
Reference numeral:
100 drawer-type microwave ovens,
10 outer covers, 11 front openings, plate after 12 outer covers, the left plate of 13 outer cover, 14 outer cowl top panels, 15 outer cover base plates,
20 cavity portion, 21 cavity header boards, 211 air outlets, 212 air inlets, 213 wind deflectors,
Plate after 22 cavitys, 221 first opening portions, 222 second opening portions, 223 the 4th opening portions,
23 cavity top boards, 231 the 3rd opening portions,
The left plate of 24 cavity, 25 cavity right panels, 26 well floor,
30 microwave generating apparatus,
40 wind driver parts,
Air channel bottom 51,52 air duct at tops, 53 side direction air channels, air channel after 54,55 steam air channels,
60 bodies, 61 drawer
71 microswitches, 72PCB plate, 73 transformers, 74 electric capacity,
80 vertical separating plate,
90 wind scoopers, 91 the 5th opening portions.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the drawer-type microwave oven according to the embodiment of the present invention in detail below in conjunction with accompanying drawing, wherein Fig. 1 is the perspective view of drawer-type microwave oven according to an embodiment of the invention.Fig. 2 is another perspective view of drawer-type microwave oven according to an embodiment of the invention, and wherein drawer is removed.
As shown in Figure 1, can comprise according to the drawer-type microwave oven 100 of an aspect of the embodiment of the present invention: outer cover 10, cavity portion 20, microwave generating apparatus 30(are as shown in Figure 4), wind driver part 40(as shown in Figure 4) and cooling air channel (not shown).According to one embodiment of present invention, this wind driver part 40 can be fan.
It should be noted that, in the following description for drawer-type microwave oven 100, to often relate to the air channel of privileged site, refer to can the access structure of conducting air effectively in air channel herein, this access structure can be limited by the wall construction of micro-wave oven, also can be limited by independent path.In the following description; just be in the air channel structure described according to drawer-type microwave oven 100 of the present invention; instead of in order to air channel of the present invention being only defined in specific gas access structure shown in accompanying drawing, as long as all can fall within protection scope of the present invention to the air channel structure realized defined in the claims in the present invention.
According to one embodiment of present invention, the front side of outer cover 10 can be provided with front openings 11.Cavity portion is embedded in outer cover 10 and front side is opened wide.Cavity portion 20 can comprise cavity header board 21.Cavity header board 21 is connected with the front openings 11 of outer cover 10, and drawer 61 can be arranged in cavity portion 20 along horizontal direction pull and to be connected with door body 60, as shown in Fig. 1,2.Door body 60 is for the front openings of enclosed cavity body 20 during the culinary art of this micro-wave oven 100.In fig. 2, drawer 61 and door body 60 are removed, more clearly to show the structure of this cavity portion 20.The top of cavity header board 21 is provided with air outlet 211, and bottom is provided with air inlet 212.Fig. 3 is the perspective view of the drawer-type microwave oven 100 of according to an embodiment of the invention, partial cross, and air is shown from end channel connection to rear passage.
As shown in Figure 4, can being contained at least partially in the space that formed between outer cover 10 and cavity portion 20 of microwave generating apparatus 30.Wind driver part 40 is disposed adjacent with microwave generating apparatus 30 and for driving air towards the motion at least partially of microwave generating apparatus 30, thus reaches the object at least partially of this microwave generating apparatus 30 of cooling, thus improves cooling effectiveness.
According to one embodiment of present invention, the space between outer cover 10 and the cavity portion 20 being embedded in outer cover 10 can be configured with the cooling air channel comprising air channel 51, bottom and air duct at top 52, as shown in Figure 4.Particularly, air channel, bottom 51 formed by the space between the bottom of outer cover 10 and the bottom of relative cavity portion 20.Air duct at top 52 formed by the space between the top of outer cover 10 and the top of relative cavity portion 20, wherein air to be introduced in air channel 51, bottom by air inlet 212 and via wind driver part 40 driving cooled microwave generating means 30 be communicated to air duct at top 52 afterwards at least partially, and discharge via air outlet 211, as shown in Figure 4.
According to the drawer-type microwave oven 100 of the embodiment of the present invention, by arranging cooling air channel between cavity portion and outer cover 10, improve the cooling effectiveness of cooling air channel, reduce the temperature rise of drawer-type microwave oven 100 in use each components and parts, meet the temperature rise industrial requirements of multiple high heat producing component in drawer-type microwave oven 100, thus improve the service life of each components and parts in drawer-type microwave oven 100.
As shown in Figure 2, according to one embodiment of present invention, drawer-type microwave oven 100 comprises electronic control part further.Specifically, electronic control part can be arranged in the space between cavity portion and outer cover 10.In other words, electronic control part is arranged in the cooling air channel between cavity portion 20 and outer cover 10, thus, to dispel the heat to electronic control part.This electronic control part can comprise pcb board 72, microswitch 71, transformer 73, electric capacity 74 etc., but it should be noted that, electronic control part of the present invention is not limited thereto, and it can be any electronic control part for controlling micro-wave oven.
According to one embodiment of present invention, as shown in Figure 4, cooling air channel also comprises rear air channel 54.Specifically, rear air channel 54 is separated, as shown in Fig. 3,4 by plate 12 after the outer cover of plate 22 after the cavity of cavity portion and the outer cover 10 relative with plate after cavity 22.Wherein, microwave generating apparatus 30 and wind driver part 40 are arranged in rear air channel 54, and rear air channel 54 is connected with air channel, bottom 51.Thus, wind driver part 40 can will enter into the air intake in air channel 51, bottom in rear air channel 54, then blows to microwave generating apparatus 30 by wind driver part 40, thus reaches the cooling effect to microwave generating apparatus 30.
As shown in Figure 3,4, according to one embodiment of present invention, the first opening portion 221 that rear air channel 54 is formed by the bottom of plate after cavity 22 is connected with air channel, bottom 51.In other words, rear air channel 54 is communicated with by the first opening portion 221 with between air channel, bottom 51, and the air entering into air channel 51, bottom enters into rear air channel 54 by the first opening portion 221.Electronic control part can also comprise pcb board 72.Pcb board 72 to be arranged in rear air channel 54 and to be disposed adjacent with the first opening portion 221.Thus, first the air entering into rear air channel 54 by air channel, bottom 51 can dispel the heat to pcb board 72.
As shown in Figure 3, according to one embodiment of present invention, drawer-type microwave oven comprises further: vertical separating plate 80.Rear air channel 54 is separated by vertical separating plate 80, rear air channel 54 is divided into air-out direction (in such as Fig. 5 shown in right direction) and air intake direction (in such as Fig. 5 shown in left direction), air enters rear air channel 54 by side, air intake direction by the first opening portion 221, then is drawn into air-out direction side by wind driver part 40.And the top that wind driver part 40 is arranged on vertical separating plate 80 faces microwave generating apparatus 30, so that most of air driven is moved towards microwave generating apparatus 30, thus reach the effect that microwave generating apparatus 30 is cooled, another air blows out below magnetron, in order to cool the electronic control part be arranged in rear air channel, as transformer 73, electric capacity 74 etc.
As shown in Figure 2, according to one embodiment of present invention, the side being positioned at the air-out direction of wind driver part 40 of cavity portion 20 is formed with side direction air channel 53.Side direction air channel 53 is connected with rear air channel 54 by the second opening portion 222 on plate 22 after being formed in cavity.As shown in Figure 5, side direction air channel 53 is positioned at the right side of this drawer-type microwave oven 100, and isolated by cavity right panel 25 and air channel, bottom, as shown in Fig. 5,6.In other words, after cavity, side direction air channel 54 and air channel, bottom 51 keep apart by plate 22, and the air stream in air channel, bottom 51 can only enter into rear air channel 54 by the first opening portion 221.Rear air channel 54 is connected by the side direction air channel 53 of the second opening portion 222 with the side being positioned at air-out direction, and the partial air entering into air-out direction side, under the driving of wind driver part 40, enters into side direction air channel 53 by the second opening portion 222.
As shown in Figure 2, according to one embodiment of present invention, rear air channel 54 is connected with air duct at top 52 by the 3rd opening portion 231 be formed on the cavity top board 23 of cavity portion, and wherein the 3rd opening portion 231 is positioned at and is separated by vertical separating plate 80 and in part for the air-out direction side of wind driver part 40.In other words, rear air channel 54 is communicated with air duct at top 52 by the 3rd opening portion 231, and the 3rd opening portion 231 is arranged on the side of air-out direction on rear air channel 54.The partial air entering into air-out direction side, under the driving of wind driver part 40, enters into air duct at top 52 by the 3rd opening portion 231, thus, can dispel the heat to the electronic control part be arranged in air duct at top 52.
As shown in Fig. 5,6, according to one embodiment of present invention, drawer-type microwave oven 100 may further include wind scooper 90.Particularly, the air that wind scooper 90 is arranged to wind driver part 40 to drive guides towards the second opening portion 222 and the 3rd opening portion 231 at least respectively.In other words, wind scooper 90 to major general partial air guides to the second opening portion 222 and enters lateral wind road 53, another part air is guided to the 3rd opening portion 231 and enters air duct at top 52.
According to one embodiment of present invention, as shown in Fig. 5,6, cooling air channel comprises steam air channel 55 further.Particularly, steam air channel 55 is configured to the inside of cavity portion to be connected with rear air channel 54 and air duct at top 52 respectively.Air is under the driving of wind driver part 40, cavity portion 20 is entered into by steam air channel 55, can by the gas in cavity portion 20, steam such as producing during drawer-type microwave oven 100 heat food, be drained into air duct at top 52 from steam air channel 55, and discharge from the multiple air outlets 211 be connected with air duct at top 52.
As shown in Figure 3, according to one embodiment of present invention, steam air channel 55 is connected with rear air channel 54 by the 4th opening portion 223, and the 4th opening portion 223 formed by multiple open pores relative with wind scooper 90.Air is under the driving of wind driver part 40, and enter in steam air channel 55 by the 4th opening portion 223, the steam produced during to be worked by drawer-type microwave oven 100 is taken away, thus reaches the object cooled.
As shown in Figure 5, according to one embodiment of present invention, relative with the 4th opening portion 223 wind scooper 90 is formed with further the 5th opening portion 91.Air can be guided to the 4th opening portion 223 place by the 5th opening portion 91 on wind scooper 90, thus, partial air can be guided to the 4th opening portion 223 place, and enter steam air channel 55.
As shown in Figure 4, according to one embodiment of present invention, air inlet 212 place is formed with wind deflector 213, and wind deflector 213 is positioned at air channel 51, bottom and tilts relative to cavity header board 21, and wherein the lower end of wind deflector 213 is connected with cavity header board 21.First the air sucked can be transmitted towards the top in air channel, bottom 51 thus, and then to transmit along air channel, bottom 51 towards rear air channel 54, thus obtain good hearsay and send effect.
Below with reference to the accompanying drawings come to be described in detail the air flow in the cooling air channel of the drawer-type microwave oven 100 according to some embodiments of the present invention.
As shown in Figure 4, when the fan 40 of drawer-type microwave oven 100 is in running order, air outside drawer-type microwave oven 100 enters into air channel 51, bottom by air inlet 212 under the effect of fan 40, behind the first opening portion 221, enter into the side (shown in the left direction of such as Fig. 4) in the air intake direction in rear air channel 54, and blowed to the side of the air-out direction (shown in the right direction in such as Fig. 4) in rear air channel 54 by fan 40.
Shown in Fig. 5,6, in rear air channel 54, the air blown out by fan 40 is divided into Part I air 541 and Part II air 542 after flowing through microwave generating apparatus 30, Part I air 541 enters wind scooper 90 through the microwave generating apparatus 30 of contiguous fan 40.Under the guiding of wind scooper 90, this partial air is divided into two parts again, and portion of air enters into air duct at top 52 by the 3rd opening portion 231; Another part air enters into steam air channel 55 through the 5th opening portion 91, the 4th opening portion 223.The air entered in steam air channel 55 is entered in air duct at top 52 by steam air channel 55 again.
Part II air 542 in the side (right direction in such as Fig. 3 shown in) of rear air channel 54 air-out direction through the downside of microwave generating apparatus 30, enter into side direction air channel 53 by the second opening portion 222, this partial air enters into air duct at top 52 by side direction air channel 53 under the driving of fan 40.
The air finally entering into microwave generating apparatus 30 all converges to air duct at top 51, and is discharged by air outlet 212 under the driving of fan 40.Now, air is by comprehensively, and the air that temperature is higher after heat exchange can't affect the heat radiation of the electronic control part near air outlet 212, meets the radiating requirements of drawer-type microwave oven 100.
From above-mentioned, in drawer-type microwave oven 100 according to the present invention, cooling air channel is formed at the multiple air channels between air inlet and air outlet, thus the cooling effectiveness entering air is improved significantly, and extends the service life of electronic component.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (16)
1. a drawer-type microwave oven, is characterized in that, comprising:
Outer cover, the front openings of described outer cover;
Cavity portion, described cavity portion is embedded in described outer cover and front side is opened wide, and described cavity portion comprises cavity header board, and described cavity header board is connected with the described front openings of described outer cover, the top of described cavity header board is provided with air outlet, and the bottom of described cavity header board is provided with air inlet;
Microwave generating apparatus, in the space being contained between described outer cover and described cavity portion at least partially of described microwave generating apparatus;
Wind driver part, described wind driver part is disposed adjacent with described microwave generating apparatus and for driving air to move at least partially described in described microwave generating apparatus; And
Spatial configuration between described outer cover and the described cavity portion being embedded in described outer cover has cooling air channel, and described cooling air channel comprises:
Air channel, bottom, air channel, described bottom formed by the space between the bottom of described outer cover and the bottom of relative described cavity portion;
Air duct at top, described air duct at top formed by the space between the top of described outer cover and the top of relative described cavity portion, wherein air is introduced to cool described in described microwave generating apparatus in air channel, described bottom and via the driving of described wind driver part by described air inlet and is communicated to described air duct at top afterwards at least partially, and discharges via described air outlet.
2. drawer-type microwave oven according to claim 1, is characterized in that, comprises further:
Electronic control part, described electronic control part is arranged in the described space between described cavity portion and described outer cover.
3. drawer-type microwave oven according to claim 2, is characterized in that, described cooling air channel comprises:
Rear air channel, described rear air channel is separated by plate after the outer cover of plate and the described outer cover relative with plate after described cavity after the cavity of described cavity portion, wherein
Described microwave generator and described wind driver part are arranged in the rear in air channel, and described rear air channel is connected with air channel, described bottom.
4. drawer-type microwave oven according to claim 3, is characterized in that, the first opening portion that described rear air channel is formed by the bottom of plate after described cavity is connected with air channel, described bottom; And
Described electronic control part comprises pcb board, and described pcb board arranges and is disposed adjacent with described first opening portion in air channel in the rear.
5. drawer-type microwave oven according to claim 4, is characterized in that, comprises further:
Vertical separating plate, described rear air channel is separated by described vertical separating plate, and described wind driver part is arranged on the top of described vertical separating plate, air driven to be moved towards described microwave generating apparatus.
6. drawer-type microwave oven according to claim 5, it is characterized in that, the side being positioned at the air-out direction of described wind driver part of described cavity portion is formed with side direction air channel, described side direction air channel is connected with described rear air channel by the second opening portion on plate after being formed in described cavity, wherein said side direction air channel and air channel, described bottom isolated.
7. drawer-type microwave oven according to claim 5, it is characterized in that, described rear air channel is connected with described air duct at top by the 3rd opening portion be formed on the cavity top board of described cavity portion, and wherein said 3rd opening is in being positioned in the part of the described air-out direction of described wind driver part by described vertical channels separated.
8. drawer-type microwave oven according to claim 7, is characterized in that, comprises further:
Wind scooper, the described air that described wind scooper is arranged to described wind driver part to drive guides towards described second opening portion and described 3rd opening portion at least respectively.
9. drawer-type microwave oven according to claim 8, is characterized in that, described cooling air channel comprises further:
Steam air channel, described steam air duct structure becomes to be connected with described rear air channel and described air duct at top respectively the inside of described cavity portion.
10. drawer-type microwave oven according to claim 9, it is characterized in that, described steam channel is connected with described rear air channel by the 4th opening portion, and described 4th opening portion formed by relative with described wind scooper and after being formed in described cavity on plate multiple open pores.
11. drawer-type microwave ovens according to claim 10, is characterized in that, the described wind scooper relative with described 4th opening portion is formed with the 5th opening portion further.
12. drawer-type microwave ovens according to claim 1, it is characterized in that, described air inlet is formed with wind deflector, and described wind deflector is positioned at described foot passage and tilts relative to described cavity header board, and the lower end of wherein said wind deflector is connected with described cavity header board.
13. 1 kinds of drawer-type microwave ovens, is characterized in that, comprising:
Outer cover, opens wide and plate, the left plate of outer cover and outer cover right panel, outer cowl top panel and outer cover base plate after comprising outer cover on front side of described outer cover;
Cavity portion, described cavity portion is embedded in described outer cover and front side is opened wide, described cavity portion comprises plate after cavity header board, cavity, the left plate of cavity and cavity right panel, cavity top board and well floor, described cavity header board is connected with the described front openings of described outer cover and is separated by the drawer inserted in described cavity portion, superposed described cavity header board is formed with air outlet, the described cavity header board being positioned at bottom is formed with air inlet; Be formed with the cooling air channel be communicated with air outlet with described air inlet between described cavity portion and described outer cover, described cooling air channel comprises:
Rear air channel after air channel, bottom between described well floor and described outer cover base plate, the air duct at top between described cavity top board and described outer cowl top panel, the side direction air channel between described cavity right panel and described outer cover right panel and described cavity after plate and described outer cover between plate, wherein
Air introduces air channel, described bottom by described air inlet, air channel, described bottom is connected with described rear air channel and isolated with described side direction air channel, described side direction air channel is connected with described air duct at top, and described rear air channel be connected with described air duct at top with by described air communication to described air duct at top and being discharged by described air outlet;
Microwave generating apparatus, the setting at least partially of described microwave generating apparatus is in the rear in air channel;
Fan, described fan is established in the rear in air channel, moves towards described microwave generating apparatus for driving described air.
14. drawer-type microwave ovens according to claim 13, is characterized in that, comprise further:
Vertical separating plate, described rear air channel is separated by described vertical separating plate, and described fan to be arranged in described vertical separating plate and adjacent with described microwave generating apparatus, air driven to be moved towards described microwave generating apparatus.
15. drawer-type microwave ovens according to claim 14, is characterized in that, comprise further:
Wind scooper, described wind scooper is connected to described microwave generating apparatus, and the described air being arranged to described wind driver part to drive guides towards described side direction air channel and described air duct at top at least respectively.
16. drawer-type microwave ovens according to claim 15, is characterized in that, described cooling air channel comprises further:
Steam air channel, described steam air duct structure becomes to be connected with described rear air channel and described air duct at top respectively the inside of described cavity portion.
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| CN201310558059.8A CN104633726B (en) | 2013-11-11 | 2013-11-11 | Drawer-type microwave oven |
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| CN201310558059.8A CN104633726B (en) | 2013-11-11 | 2013-11-11 | Drawer-type microwave oven |
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| CN104633726A true CN104633726A (en) | 2015-05-20 |
| CN104633726B CN104633726B (en) | 2017-05-24 |
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| CN106322454A (en) * | 2016-10-19 | 2017-01-11 | 广东美的厨房电器制造有限公司 | Drawer type microwave oven |
| CN106678896A (en) * | 2016-12-23 | 2017-05-17 | 广东美的厨房电器制造有限公司 | Drawer type cooking apparatus |
| CN106813274A (en) * | 2017-03-17 | 2017-06-09 | 青岛兴邦烤箱有限公司 | Micro-wave oven monoblock type ventilating system |
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