CN103720375A - Electric oven and double-air-duct heat dissipating system thereof - Google Patents
Electric oven and double-air-duct heat dissipating system thereof Download PDFInfo
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- CN103720375A CN103720375A CN201310697973.0A CN201310697973A CN103720375A CN 103720375 A CN103720375 A CN 103720375A CN 201310697973 A CN201310697973 A CN 201310697973A CN 103720375 A CN103720375 A CN 103720375A
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Abstract
The invention provides an electric oven and a double-air-duct heat dissipating system thereof. The double-air-duct heat dissipating system comprises an air inlet, air ducts, an air outlet and a fan, the air inlet is arranged at the bottom of an oven door, the air ducts include a door air duct arranged in the oven door, a first air duct and a second air duct, the first air duct and the second air duct are arranged above an oven cavity and communicated with each other, the door air duct is communicated with the air inlet, the first air duct is communicated with the door air duct, the air outlet is arranged on the front portion of the oven and communicated with the second air duct, the fan is arranged between the first air duct and the second air duct and discharges air in the first air duct into the second air duct, cold air enters from the air inlet, passes the door air duct and the first air duct, then is discharged into the second air way through the fan and is discharged outside from the air outlet through the second air duct to realize heat dissipating of the oven. By the double-air-duct heat dissipating system, temperature of the oven door is effectively lowered, so that potential safety hazards of the electric oven in the process of using are avoided for a user.
Description
Technical field
The present invention relates to cooking apparatus field, more specifically, relate to a kind of two air duct radiation systems of baking box and the electric oven that comprises this pair of air duct radiation system.
Background technology
The electric oven of existing use adopts blower fan from the inner directly outwards portion's exhaust of baking box conventionally, to realize the heat radiation object of electric oven, but which cannot effectively reduce a temperature, and user in use exists potential safety hazard, and the thermal efficiency of electric oven not high, cause energy waste.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, one object of the present invention is, a kind of two air duct radiation systems that effectively reduce oven door temperature, safe and reliable baking box are provided, and this pair of air duct radiation system can effectively improve the thermal efficiency of baking box simultaneously.
Another object of the present invention is, a kind of electric oven that comprises above-mentioned pair of air duct radiation system is provided.
For achieving the above object, the embodiment of first aspect present invention provides a kind of two air duct radiation systems of baking box, comprising: air inlet, air channel, air outlet and blower fan, and described air inlet is arranged on the bottom of oven door; Described air channel comprises the door body air channel being arranged in described oven door, and the first air channel and the second air channel that are arranged on oven cavity top and are connected, and described door body air channel is connected with described air inlet, and described the first air channel is connected with described door body air channel; Described air outlet is arranged on the front portion of described baking box, and is connected with described the second air channel; Described blower fan is arranged between described the first air channel and the second air channel, and the wind in described the first air channel can be entered to described the second air channel.
Two air duct radiation systems of baking box provided by the invention, effectively reduced the temperature rise of oven door, thereby avoided user's potential safety hazard in use, and then guaranteed the security of baking box, specifically, blower fan unlatching work, air in the first air channel is drained in the second air channel and by air outlet and discharged, make generation negative pressure in the first air channel, air in door body air channel is subject to the suction function in the first air channel, flow to the first air channel, and also can produce negative pressure behind air stream to the first air channel of door in body air channel, extraneous cold air flows to from air inlet under the effect of negative pressure in a body air channel in door body air channel, make constantly to have cold air to enter oven door inside, thereby make oven door all the time in a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door temperature rise, and then guaranteed the security of baking box, in addition, the first Yu Menti air channel, air channel is connected, like this, make to flow to through door body air channel the heat in the first air channel, can in the first air channel, form thermal insulation layer, thermal insulation layer is positioned at the top of oven cavity, can reduce oven cavity to baking box top transferring heat, realized the secondary utilization of heat, thereby improved the thermal efficiency of baking box, and then reach the object of energy-conserving and environment-protective.
Two air duct radiation systems of the baking box providing according to the above embodiment of the present invention in addition, also have following additional technical feature:
According to one embodiment of present invention, described the first air channel and described the second air channel be arranged in parallel, and described the first air channel is between described the second air channel and the top board of described oven cavity, the rear portion of described assembling above described oven cavity.
The first air channel is between the second air channel and oven cavity, blower fan is arranged on the rear portion of oven cavity top, the first air channel covers the top of oven cavity, through door body air channel, flow to the heat in the first air channel, can in the first air channel, form thermal insulation layer, thermal insulation layer is positioned at the top of oven cavity, can effectively reduce oven cavity to baking box top transferring heat, realize the secondary utilization of heat, thereby effectively improved the efficiency of product, and then reached the object of energy-conserving and environment-protective.
According to one embodiment of present invention, two air duct radiation systems of described baking box also comprise: wind scooper, wind deflector and dividing plate, and described wind scooper is arranged on the top board of described oven cavity, and described assembling is in described wind scooper; One end of described wind deflector is connected with the air outlet of described wind scooper, and the other end is connected with described air outlet; One end of described dividing plate is connected with the air inlet of described wind scooper, and the other end is connected with described door body air channel; The top board of described dividing plate and described oven cavity surrounds described the first air channel, and described wind deflector and described dividing plate surround described the second air channel.
Assembling is in wind scooper, the first air channel that the air inlet of wind scooper surrounds with the top board of dividing plate and oven cavity is connected, the second air channel that the air outlet of wind scooper surrounds with wind deflector and dividing plate is connected, effectively guaranteed under the effect of blower fan, air in the first air channel is all discharged into the second air channel, thereby guaranteed that oven door can remain at a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door temperature rise; The first air channel being surrounded by the top board of dividing plate and oven cavity, effectively guaranteed to flow to through door body air channel the heat in the first air channel, in the first air channel, form thermal insulation layer, thereby effectively reduce oven cavity to baking box top transferring heat, realized the secondary utilization of heat, and then effectively improved the efficiency of product, reach the object of energy-conserving and environment-protective; In addition, wind scooper, wind deflector and dividing plate are all simple in structure, easily assembling.
According to one embodiment of present invention, the front side on described baking box top is provided with control panel, is provided with the fan controller that can control described blower fan work on described control panel; Described air outlet is arranged between described control panel and described oven door.
The setting of control panel, make the control of blower fan simple and convenient, air outlet is arranged between control panel and oven door, make the second air channel can take away the heat on baking box top, baking box superstructure is played to thermolysis, thereby effectively guaranteed the service life of baking box superstructure, be positioned at the service life of the electronic apparatus parts on baking box top.
According to one embodiment of present invention, be also provided with a body air outlet in described oven door, described door body air outlet is positioned at the top of described oven door, and described the first air channel is connected with described door body air channel by described door body air outlet.
Door body air outlet is arranged on the top of oven door, makes to enter cold air in oven door and can flow through after whole oven door and flow in the first air channel, thereby effectively reduced the temperature rise of whole oven door.
According to one embodiment of present invention, described body air channel comprises first the body air channel and second the body air channel that be arranged in parallel; Described air inlet comprises the first air inlet and the second air inlet; The one end in described first body air channel is connected with described the first air inlet, the other end is connected with described door body air outlet; The one end in described second body air channel is connected with described the second air inlet, the other end is connected with described door body air outlet.
Two-door body air channel is set in oven door, and each body air channel is connected with an air inlet, effectively increased the cold air entering in a body, thereby improved the radiating efficiency of oven door.
According to one embodiment of present invention, between described first body air channel and described second body air channel, be provided with thermal insulation board.
The setting of thermal insulation board, can effectively prevent the air channel transferring heat of an air channel of body inner side to the external side of door, thereby the temperature rise that has guaranteed door surface can be not too high, and then avoided, because of the too high potential safety hazard causing of oven door temperature rise, effectively having guaranteed the security of baking box.
According to one embodiment of present invention, on described oven door, be provided with the handle for beating opening door body.
According to one embodiment of present invention, described handle is positioned at the top of described oven door.
The setting of handle, makes opening of a body simple and convenient, time saving and energy saving.
The embodiment of second aspect present invention provides a kind of electric oven, includes two air duct radiation systems of the baking box that the arbitrary embodiment of first aspect present invention provides.
The electric oven that the embodiment of second aspect present invention provides is provided with two air duct radiation systems of the baking box that first aspect present invention embodiment provides; thereby there is all advantages of two air duct radiation systems of baking box; do not repeat them here, but its application all should be within protection scope of the present invention.
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 is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the structural representation of the electric oven described in one embodiment of the invention;
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
100 electric ovens, 1 control panel, 2 air outlets, 3 oven doors, 31 handles, 4 body air outlets, 5 body air channels, 51 first body air channels, 52 second body air channels, 6 thermal insulation boards, 7 air inlets, 71 first air inlets, 72 second air inlets, 8 oven cavity, 9 wind scoopers, 10 blower fans, 11 wind deflectors, 12 dividing plates, 13 first air channels, 14 second air channels.
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 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.
With reference to the accompanying drawings 1 and accompanying drawing 2 electric oven 100 of the two air duct radiation systems that include baking box that provide according to one embodiment of the invention is described.
In Fig. 2, the flow direction that the direction of arrow is cooling-air.
As depicted in figs. 1 and 2, two air duct radiation systems of baking box comprise: air inlet 7, air channel, air outlet 2 and blower fan 10, and air inlet 7 is arranged on the bottom of oven door 3; Air channel comprises the door body air channel 5 being arranged in oven door 3, and is arranged on oven cavity 8 tops the first air channel 13 being connected and the second air channel 14, and door body air channel 5 is connected with air inlet 7, and the first air channel 13 is connected with door body air channel 5; Air outlet 2 is arranged on the front portion of baking box, and is connected with the second air channel 14; Blower fan 10 is arranged between the first air channel 13 and the second air channel 14, and the wind in the first air channel 13 can be entered to the second air channel 14; Cold air enters, behind door body air channel 5, the first air channel 13, by blower fan 10, is entered to the second air channel 14 from air inlet 7, then discharges from air outlet 2 through the second air channel 14, to realize the heat radiation to baking box.
Wherein, the first air channel 13 and the second air channel 14 be arranged in parallel, and the first air channel 13 is between the second air channel 14 and the top board of oven cavity 8, and blower fan 10 is arranged on the rear portion of oven cavity 8 tops.
Two air duct radiation systems of the baking box that the present embodiment provides, effectively reduced the temperature rise of oven door 3, thereby avoided user's potential safety hazard in use, and then guaranteed the security of baking box, specifically, blower fan 10 unlatching work, air in the first air channel 13 is drained in the second air channel 14 and discharged by air outlet 2, make the first interior generation negative pressure in air channel 13, air in door body air channel 5 is subject to the suction function in the first air channel 13, flow to the first air channel 13, and also can produce negative pressure behind air stream to the first air channel 13 of door in body air channel 5, extraneous cold air flows in a body air channel 5 from air inlet 7 under the suction function in door body air channel 5, make constantly to have cold air to enter oven door 3 inside, thereby make oven door 3 all the time in a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door 3 temperature rises, and then guaranteed the security of baking box, the first air channel 13 is between the second air channel 14 and oven cavity 8, blower fan is arranged on the rear portion of oven cavity 8 tops, the first air channel 13 covers the top of oven cavity 8, through door body air channel 5, flow to the heat in the first air channel 13, at the first interior formation thermal insulation layer in air channel 13, thermal insulation layer is positioned at the top of oven cavity, can effectively reduce oven cavity 8 to baking box top transferring heat, realize the secondary utilization of heat, thereby effectively improved the thermal efficiency of product, and then reached the object of energy-conserving and environment-protective.
Particularly, two air duct radiation systems of baking box also comprise: wind scooper 9, wind deflector 11 and dividing plate 12, and wind scooper 9 is arranged on the top board of oven cavity 8, and blower fan 10 is arranged in wind scooper 9; One end of wind deflector 11 is connected with the air outlet of wind scooper 9, and the other end is connected with air outlet 2; One end of dividing plate 12 is connected with the air inlet of wind scooper 9, and the other end is connected with door body air channel 5; Dividing plate 12 surrounds the first air channel 13 with the top board of oven cavity 8, and wind deflector 11 surrounds the second air channel 14 with dividing plate 12; The front side on baking box top is provided with control panel 1, on control panel 1, is provided with and can controls the fan controller that blower fan 10 is worked; Air outlet 2 is arranged between control panel 1 and oven door 3, make the second air channel can take away the heat on baking box top, baking box superstructure is played to thermolysis, thereby effectively guaranteed the service life of baking box superstructure, be positioned at the service life of the electronic devices and components on baking box top; On oven door 3, be provided with the handle 31 for beating opening door body; Handle 31 is positioned at the top of oven door 3.
Wherein, fan controller is button, can certainly other have the device of controlling blower fan work functions, for example: gauge tap etc., do not repeat them here.
Blower fan 10 is arranged in wind scooper 9, the first air channel 13 that the air inlet of wind scooper 9 surrounds with the top board of dividing plate 12 and oven cavity 8 is connected, the second air channel 14 that the air outlet of wind scooper 9 surrounds with wind deflector 11 and dividing plate 12 is connected, effectively guaranteed under the effect of blower fan 10, air in the first air channel 13 is all discharged into the second air channel 14, thereby guaranteed that oven door 3 can remain at a stable low-temperature condition, avoided because of the too high potential safety hazard causing of oven door 3 temperature rises; The first air channel 13 being surrounded by dividing plate 12 and the top board of oven cavity 8, effectively guaranteed to flow to through door body air channel 5 heat in the first air channel 13, at the first interior formation thermal insulation layer in air channel 13, thereby effectively reduce oven cavity 8 to baking box top transferring heat, realized the secondary utilization of heat, and then effectively improved the efficiency of product, reach the object of energy-conserving and environment-protective; In addition, wind scooper 9, wind deflector 11 and dividing plate 12 are all simple in structure, easily assembling; The setting of control panel 1, make the control of blower fan 10 simple and convenient, air outlet 2 is arranged between control panel 1 and oven door 3, make the second air channel 14 can take away the heat on baking box top, structure to baking box top plays thermolysis, thereby effectively guaranteed the service life of baking box superstructure, be positioned at the service life of the electronic apparatus parts on baking box top; The setting of handle 31, makes opening of a body simple and convenient, time saving and energy saving.
A concrete example of the present embodiment, as shown in Figure 2, is also provided with a body air outlet 4 in oven door 3, door body air outlet 4 is positioned at the top of oven door 3, and the first air channel 13 is connected with door body air channel 5 by door body air outlet 4; Door body air channel 5 comprises first the body air channel 51 and second the body air channel 52 that be arranged in parallel; Between first body air channel 51 and second body air channel 52, be provided with thermal insulation board 6; Air inlet 7 comprises the first air inlet 71 and the second air inlet 72; The one end in first body air channel 51 is connected with the first air inlet 71, the other end is connected with door body air outlet 4; The one end in second body air channel 52 is connected with the second air inlet 72, the other end is connected with door body air outlet 4.Door body air outlet 4 is arranged on the top of oven door 3, makes to enter cold air in oven door 3 and can flow through after whole oven door 3 and flow in the first air channel 13, thereby effectively reduced the temperature rise of whole oven door 3; In the interior two-door body air channel 5 that arranges of oven door 3, and each body air channel 5 is connected with an air inlet 7, effectively increased the cold air entering in a body, thereby improved the radiating efficiency of oven door 3; The setting of thermal insulation board 6, heat between two-door body air channel 5 can not transmitted mutually, can effectively prevent the air channel transferring heat of an air channel of body inner side to the external side of door, thereby the temperature rise that has guaranteed door surface can be not too high, and then avoided, because door body temperature rises the too high potential safety hazard causing, effectively having guaranteed the security of baking box.
Certainly, door body air channel can also comprise the 3rd body air channel, the 4th body air channel, the 5th body air channel etc., and door is provided with thermal insulation board between body air channel, each body air channel all can be connected with a body air inlet and a body air outlet, also can be connected with same door body air inlet and same door body air outlet in multiple body air channels, do not repeat them here.
The course of work of two air duct radiation systems of the baking box that as shown in Figure 2, the present embodiment provides is as follows:
During heat abstractor work, blower fan 10 unlatching work, make the air in the second air channel 14 be discharged to baking box outside from air outlet 2, wind scooper 9 is because of the effect of blower fan 10, the inner negative pressure that forms, the air in the first air channel 13 is subject to the suction function in wind scooper 9, flow to wind scooper 9 inside; Drive the Air Flow in two-door body air channel 5 simultaneously; So far, cold air enters oven door 3 from air inlet 7, through two-door body air channel 5, door body air outlet 4, the first air channel 13, wind scooper 9, the second air channel 14, air outlet 2 discharge, and forms whole cooling system air and heat flow circulation, blower fan 10 is power set of whole system.
Wherein, heat endless form is, oven door 3 enters because the air inlet 7 of bottom constantly has cold air, and cold air siphons away after the heat in oven door 3, from the door body air outlet 4 on door body top, enters into the first air channel 13, make oven door 3 can remain on a stable low-temperature condition, meanwhile, by oven door 3, entered the heat in the first air channel 13, at the first interior formation thermal insulation layer in air channel 13, reduce oven cavity 8 to the heat transmission of baking box top, improved product efficiency.
In sum, two air duct radiation systems of baking box provided by the invention, effectively reduced the temperature rise of oven door, thereby avoided user's potential safety hazard in use, and then guaranteed the security of baking box, in addition, through door body air channel, flow to the heat in the first air channel, make formation thermal insulation layer in the first air channel, thermal insulation layer can effectively reduce oven cavity to baking box top transferring heat, realized the secondary utilization of heat, thereby effectively improved the thermal efficiency of product, and then reach the object of energy-conserving and environment-protective, and electric oven provided by the invention has two air duct radiation systems of above-mentioned baking box, therefore, this electric oven has all advantages of two air duct radiation systems of above-mentioned baking box.
In description of the invention, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " only object for describing, and can not be interpreted as indication or hint relative importance, unless otherwise clearly defined and limited; Term " is connected ", " connection ", " installation " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; " 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 ", " example ", " concrete example " 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. two air duct radiation systems for baking box, is characterized in that, comprising:
Air inlet, described air inlet is arranged on the bottom of oven door;
Air channel, described air channel comprises the door body air channel being arranged in described oven door, and the first air channel and the second air channel that are arranged on oven cavity top and are connected, described door body air channel is connected with described air inlet, and described the first air channel is connected with described door body air channel;
Air outlet, described air outlet is arranged on the front portion of described baking box, and is connected with described the second air channel; And
Blower fan, described blower fan is arranged between described the first air channel and the second air channel, and the wind in described the first air channel can be entered to described the second air channel.
2. two air duct radiation systems of baking box according to claim 1, is characterized in that,
Described the first air channel and described the second air channel be arranged in parallel, and described the first air channel is between described the second air channel and the top board of described oven cavity, the rear portion of described assembling above described oven cavity.
3. two air duct radiation systems of baking box according to claim 2, is characterized in that, also comprise:
Wind scooper, described wind scooper is arranged on the top board of described oven cavity, and described assembling is in described wind scooper;
Wind deflector, one end of described wind deflector is connected with the air outlet of described wind scooper, and the other end is connected with described air outlet; And
Dividing plate, one end of described dividing plate is connected with the air inlet of described wind scooper, and the other end is connected with described door body air channel;
The top board of described dividing plate and described oven cavity surrounds described the first air channel, and described wind deflector and described dividing plate surround described the second air channel.
4. two air duct radiation systems of baking box according to claim 3, is characterized in that,
The front side on described baking box top is provided with control panel, is provided with the fan controller that can control described blower fan work on described control panel;
Described air outlet is arranged between described control panel and described oven door.
5. according to two air duct radiation systems of the baking box described in any one in claim 1 to 4, it is characterized in that,
In described oven door, be also provided with a body air outlet, described door body air outlet is positioned at the top of described oven door, and described the first air channel is connected with described door body air channel by described door body air outlet.
6. two air duct radiation systems of baking box according to claim 5, is characterized in that,
Described door body air channel comprises first the body air channel and second the body air channel that be arranged in parallel;
Described air inlet comprises the first air inlet and the second air inlet;
The one end in described first body air channel is connected with described the first air inlet, the other end is connected with described door body air outlet;
The one end in described second body air channel is connected with described the second air inlet, the other end is connected with described door body air outlet.
7. two air duct radiation systems of baking box according to claim 6, is characterized in that,
Between described first body air channel and described second body air channel, be provided with thermal insulation board.
8. two air duct radiation systems of baking box according to claim 7, is characterized in that,
On described oven door, be provided with the handle for beating opening door body.
9. two air duct radiation systems of baking box according to claim 8, is characterized in that,
Described handle is positioned at the top of described oven door.
10. an electric oven, is characterized in that,
Include two air duct radiation systems of baking box as claimed in any one of claims 1-9 wherein.
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| CN201310697973.0A CN103720375A (en) | 2013-12-17 | 2013-12-17 | Electric oven and double-air-duct heat dissipating system thereof |
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| CN201310697973.0A CN103720375A (en) | 2013-12-17 | 2013-12-17 | Electric oven and double-air-duct heat dissipating system thereof |
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| CN202173286U (en) * | 2011-08-19 | 2012-03-28 | 宁波方太厨具有限公司 | An electric oven having a heat dissipation structure |
| CN203709860U (en) * | 2013-12-17 | 2014-07-16 | 广东美的厨房电器制造有限公司 | Dual-air duct radiating system of oven and electric oven |
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| CN109645847A (en) * | 2019-02-15 | 2019-04-19 | 广东美的厨房电器制造有限公司 | Cooker |
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| CN112842092A (en) * | 2019-11-27 | 2021-05-28 | 青岛海尔智能技术研发有限公司 | Baking oven |
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| CN110916484A (en) * | 2019-11-29 | 2020-03-27 | 广东美的厨房电器制造有限公司 | Cooking utensil |
| CN110974045A (en) * | 2019-12-17 | 2020-04-10 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN110974045B (en) * | 2019-12-17 | 2021-06-18 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN111608545A (en) * | 2020-05-06 | 2020-09-01 | 广东美的厨房电器制造有限公司 | Household electrical appliance |
| CN114601324A (en) * | 2020-12-07 | 2022-06-10 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN112773209B (en) * | 2021-01-28 | 2022-04-19 | 宁波方太厨具有限公司 | Steaming cooking device with less discharged steam |
| CN112773209A (en) * | 2021-01-28 | 2021-05-11 | 宁波方太厨具有限公司 | Steaming cooking device with less discharged steam |
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Application publication date: 20140416 |