CN108131696B - Heating cooker - Google Patents
Heating cooker Download PDFInfo
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- CN108131696B CN108131696B CN201810129215.1A CN201810129215A CN108131696B CN 108131696 B CN108131696 B CN 108131696B CN 201810129215 A CN201810129215 A CN 201810129215A CN 108131696 B CN108131696 B CN 108131696B
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- heating
- electric appliance
- cavity
- appliance chamber
- heating cooker
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/642—Cooling of the microwave components and related air circulation systems
Abstract
The present invention provides a heating cooker, including: a cavity, wherein a heating cavity for placing food is formed inside the cavity; the upper cover is arranged on the cavity in a covering mode, and an upper electric appliance chamber is defined between the upper cover and the cavity; the upper electric appliance chamber is internally provided with: a top air deflector which divides the upper electric appliance chamber into a high-temperature electric appliance chamber at the lower side and a low-temperature electric appliance chamber at the upper side; the heating tube is positioned in the high-temperature electric appliance chamber and used for generating heat to heat the heating cavity; a top fan located within the low temperature appliance chamber; the top air deflector is provided with a first ventilation part, and the top fan blows air to the heating pipe through the first ventilation part. According to the technical scheme, air blown out by the top fan in the low-temperature electric appliance chamber can blow the heating pipe in the high-temperature electric appliance chamber, heat generated by the heating pipe flows into the heating cavity under the action of the top fan, a hot air heating mode of the heating cooker is achieved, meanwhile, the top fan improves the heating speed of the heating cavity by the heating pipe, and the heat efficiency of the heating cooker is improved.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a heating cooker.
Background
Generally, as shown in fig. 1, a heating cooker such as a microwave oven has a rectangular parallelepiped shape, and includes a cooking chamber 110 for placing food to be heated and an electric appliance chamber 250 in which electric appliance elements such as a magnetron 210 and a fan 230 are disposed. In order to provide more optional cooking modes, a hot air convection assembly 300 may be further disposed behind the cooking chamber 110, wherein a hot air blower 350 provides circulated hot air into the heating chamber 110.
In addition to the conventional heating cooker of a rectangular parallelepiped shape, a cylindrical heating cooker has been also found in the prior art. Cylindrical heating cookers are popular with users because of their unique appearance that provides the user with a new experience. The inventor finds that the existing hot air convection mode cannot be directly applied in the process of realizing the cylindrical heating cooker, and needs to redesign a hot air heating mode suitable for the cylindrical heating cooker.
Disclosure of Invention
The invention aims to provide a heating cooker, and a hot air heating mode provided by the heating cooker can be applied to a cylindrical heating cooker.
In order to achieve the above object, an aspect of the present invention provides a heating cooker including: a cavity, wherein a heating cavity for placing food is formed inside the cavity; the upper cover is arranged on the cavity in a covering mode, and an upper electric appliance chamber is defined between the upper cover and the cavity; the upper electric appliance chamber is internally provided with: a top air deflector which divides the upper electric appliance chamber into a high-temperature electric appliance chamber at the lower side and a low-temperature electric appliance chamber at the upper side; the heating tube is positioned in the high-temperature electric appliance chamber and used for generating heat to heat the heating cavity; a top fan located within the low temperature appliance chamber; the top air deflector is provided with a first ventilation part, and the top fan blows air to the heating pipe through the first ventilation part.
In this technical scheme, through the first ventilation portion of top aviation baffle central point, form the airflow channel who communicates low temperature electrical apparatus room and high temperature electrical apparatus room to the wind that makes the indoor top fan of low temperature electrical apparatus blow off can blow to the heating tube in the high temperature electrical apparatus room, the heat that the heating tube produced flows to in the heating chamber under the effect of top fan, realizes the hot-blast heating mode of heating cooking ware, and the top fan has improved the rate of heating tube to the heating chamber simultaneously, improves the thermal efficiency of heating cooking ware.
In addition, the heating cooker in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the top air deflector is disc-shaped, and the first ventilation portion is located at the center of the top air deflector.
In the above technical solution, preferably, the top air deflector is disc-shaped, and the first ventilation portion is located between the center and the edge of the top air deflector.
In any of the above technical solutions, preferably, the edge of the top air deflector is provided with a first air channel, and the top air deflector guides the airflow to the outside of the cavity through the first air channel under the driving of the top fan.
In the above technical solution, preferably, the first air duct is a plurality of through holes arranged along the circumferential direction of the top air deflector; or the first air duct is a plurality of gaps arranged along the circumferential direction of the top air deflector.
In the above technical solution, preferably, a plurality of air guiding pieces extending from the center to the edge are erected on the upper surface of the top air guiding plate.
In any of the above technical solutions, preferably, in the high-temperature electric appliance room, a heating tube cover is further covered above the heating tube, and a second ventilation portion is formed on the surface of the heating tube cover.
In any of the above technical solutions, preferably, in the high-temperature electric appliance room, a heat insulating cover is further covered above the heat generating pipe cover, and a third ventilation portion is formed on the surface of the heat insulating cover.
In any of the above technical solutions, preferably, an upper cover vent hole is formed in the center of the upper cover, and the top fan sucks air from the outside into the low-temperature electric appliance chamber through the upper cover vent hole.
In any of the above technical solutions, preferably, the fourth ventilation portion is disposed on the upper surface of the cavity facing the high-temperature electric appliance chamber.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a view showing a structure of a conventional heating cooker;
fig. 2 shows a closed state diagram of the heating cooker according to the embodiment of the present invention;
fig. 3 shows an open state diagram of a heating cooker according to an embodiment of the present invention;
FIG. 4 shows an exploded view of the upper cover and part of the internal structure according to an embodiment of the invention;
FIG. 5 shows an exploded schematic view of a heat generating tube and its associated components according to an embodiment of the invention;
FIG. 6 is a schematic diagram showing the positions of the upper cover and the heat generating tube relative to other components according to the embodiment of the present invention;
FIG. 7 illustrates a schematic structural view of a top air deflection plate according to an embodiment of the present invention;
FIG. 8 shows an assembled structural view of a chamber according to an embodiment of the invention;
the correspondence between the reference numerals and the names of the components in fig. 2 to 8 is:
10 base, 20 cavity, 34 heating chamber, 50 door bodies, 70 upper cover, 70a upper cover ventilation hole, 71 top decorative sheet, 72 top supporting plate, 73 top aviation baffle, 73a first wind channel, 73b aviation baffle, 73e first ventilation portion, 74 top fan, 75 speaker, 76 voice function module, 77 projector, 78 projection power supply circuit, 80 heating tube, 80a fourth ventilation portion, 81 heating tube cover, 81a mounting hole, 81b heating tube cover gap, 81d second ventilation portion, 82 heat shield, 82a heat shield gap, 82b third ventilation portion, 83 heating tube fixing piece, 84 fixing support.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 2 to 8, fig. 2 is a schematic view of a heating cooker according to an embodiment of the present invention. Fig. 3 is a perspective view of the door 50 in an open state. As shown in fig. 2 and 3, the heating cooker mainly includes a base 10, in which a lower electric chamber (not shown) for mounting a magnetron, a frequency converter and other electric devices is formed; a cavity 20, which is arranged on the base 10, and is internally provided with a heating cavity 34 for placing food, wherein one side of the heating cavity 34 is formed as an opening for food to enter and exit; a door 50 formed on the cavity 20 for closing or opening the opening of the heating cavity 34; an upper cover 70, which covers the cavity 20 and forms an upper electrical chamber (not shown) for installing electrical devices such as a fan and a voice control module.
Fig. 4 is an exploded view of the upper cover 70 and a part of the internal structure according to the embodiment of the present invention. Fig. 5 is an exploded view of the heat generating tube 80 and its associated components. Fig. 6 is a schematic view showing the positions of the upper cover 70 and the heat generating tube 80 relative to other components. As shown in fig. 4 to 6, the upper cover 70 is formed in a substantially disk shape as the top of the heating cooker. The upper cover 70 can be engaged with the semi-annular top decorative sheet 71 and fastened to the cavity 20. Inside the upper electric chamber formed by the upper cover 70 and the chamber body 20, a cylindrical top support plate 72 having a flange is provided. A disc-shaped top air deflector 73 may be provided above the flange surface of the top support plate 72. The top air deflector 73 is used to divide the upper electric room into a lower high-temperature electric room and an upper low-temperature electric room. The high-temperature electric room is used for installing the heating tube 80 and the related components thereof shown in fig. 5, and is a high-temperature area. The low-temperature electric room is used for installing components such as a top fan 74, a loudspeaker 75, a voice function module 76, a projector 77, a projection power supply circuit 78 and the like, and is a low-temperature area. Wherein the top fan 74 is used for cooling the low temperature electric room, etc., and can also blow air to the heat-generating pipe 80, so that the heat generated by the heat-generating pipe 80 can better enter the heating cavity 34.
Specifically, as shown in fig. 4 to 7, the heat-generating pipe 80 is located in the high-temperature electric appliance chamber for generating heat to heat the heating cavity 34. The top fan 74 is located in the low-temperature electric room, the top air guide plate 73 is provided with a first ventilation portion 73e, and the top fan 74 blows air to the heat pipe 80 through the first ventilation portion 73 e.
In this embodiment, since the top air deflector 73 divides the upper electric appliance chamber into the lower high-temperature electric appliance chamber and the upper low-temperature electric appliance chamber, the air blown by the top fan 74 located in the low-temperature electric appliance chamber cannot act on the heat-generating pipe 80, so that the heat generated by the heat-generating pipe 80 located in the high-temperature electric appliance chamber cannot be radiated into the heating cavity 34 well, and the heating efficiency of the heating cavity 34 is seriously affected. Therefore, the first ventilation portion 73e is provided on the top air deflector 73, so that the air blown by the top fan 74 acts on the heat generating pipe 80 from the first ventilation portion 73e, and the heat generated by the heat generating pipe 80 is blown into the heating cavity 34, thereby realizing a hot air heating method of the heating cooker, and simultaneously, the top fan 74 increases the convection velocity of the hot air, thereby increasing the heating efficiency of the heating cavity 34 by the heat generating pipe 80; in addition, the hot air heating mode can be well suitable for the cylindrical heating cooker, and the structural design is more reasonable.
In one embodiment of the present invention, as shown in fig. 7, the first ventilation part 73e is located at the center of the top air deflection plate 73.
In this embodiment, in general, the user places the food to be heated in the central portion of the heating cavity 34, the heating tube 80 is correspondingly disposed at the central position of the low-temperature electric appliance room, and the first ventilation portion 73e is also disposed at the central position of the top air guiding plate 73, so that the wind blown out by the top fan 74 can directly act on the heating tube 80 through the first ventilation portion 73e, and the heating effect of the heating cavity 34 by the hot wind is further improved.
In another embodiment of the present invention, the first ventilation part 73e is located at a position (not shown) between the center and the edge of the top air deflection plate 73.
In this embodiment, by arranging the first ventilation portion 73e at a position between the center and the edge, the heat generated by the heating tube 80 is blown into the heating cavity 34 by the top fan 74 to form hot air, a part of the hot air directly heats the food from the top, and another part of the hot air is reflected by the cavity wall of the heating cavity 34 and heats the food from different angles, so that the food in the heating cavity 34 is heated more uniformly, and the problem of burning the food is avoided.
In any of the above embodiments, as shown in fig. 6 and 7, preferably, the edge of the top air deflector 73 is provided with a first air duct 73a, and the top air deflector 73 guides the air flow to the outside of the cavity 20 through the first air duct 73a under the driving of the top fan 74.
In this embodiment, as the food in the heating cavity 34 is heated, the temperature of the cavity wall of the cavity 20 and thus the temperature of the outer surface of the heating cooker is increased; or the temperature in the low-temperature electric appliance room is increased by the heat generated during the operation of the electric appliance, and the experience effect of the user is reduced by the components in the high-temperature state, therefore, in order to cool the components, the first air duct 73a is arranged on the top air deflector 73, and the air flow blown out by the top fan 74 is guided to the outer side of the cavity 20, so as to cool the components quickly.
Specifically, the arrangement of the first air duct 73a includes, but is not limited to, the following:
example 1
As shown in fig. 4, 6 and 7, the first air duct 73a is a plurality of through holes arranged along the circumferential direction of the top air deflector 73.
Example 2
The first air duct 73a is a plurality of notches (not shown) provided along the circumferential direction of the top air guide plate 73.
In any of the above embodiments, it is preferable that a plurality of air guiding pieces 73b extending from the center in the circumferential direction stand on the upper surface of the top air guiding plate 73.
In this embodiment, the airflow is guided by the air guiding plate 73b to flow toward the edge of the top air guiding plate 73 and guided by the first air duct 73a to the outside of the cavity 20, or the airflow enters the upper electrical room from the first air duct 73a and guided by the air guiding plate 73b to flow toward the center from the edge of the top air guiding plate 73.
It is understood that the air guide pieces 73b may be further provided on the lower surface of the upper cover 70; or a part of the air guiding sheets 73b are arranged on the top air guiding plate 73, and the other part of the air guiding sheets is arranged on the upper cover 70 to form a complete air guiding structure, so that the guiding function of the air flow can be realized, and meanwhile, the air guiding sheets 73b have a certain reinforcing function on the structural strength of the top air guiding plate 73 and the upper cover 70 which are correspondingly arranged, and the deformation is prevented.
In any of the above embodiments, as shown in fig. 5, preferably, in the high-temperature electric appliance room, a heating pipe cover 81 is further covered above the heating pipe 80, and a second ventilation portion 81d is formed on the surface of the heating pipe cover 81.
In this embodiment, the heat generated by the heat generating tube 80 is radiated to the heating cavity 34 by the heat generating tube cover 81 covering the heat generating tube 80, so as to prevent the heat from being conducted upwards and avoid the heat loss; and the second ventilating portion 81d on the heat generating pipe cover 81 and communicated with the first ventilating portion 73e so that the wind blown from the top fan 74 can act on the heat generating pipe 80.
Further, in the high-temperature electric appliance room, a heat insulating cover 82 is further provided above the heat pipe cover 81, and a third ventilation portion 82b is formed on the surface of the heat insulating cover 82.
In this embodiment, the heat insulation cover 82 covering the heat-generating pipe cover 81 is used to prevent heat from being conducted upwards, and further avoid heat dissipation; and the third ventilating portion 82b communicates with the first ventilating portion 73e and the second ventilating portion 81d so that the wind blown by the top fan 74 can act on the heat generating pipe 80.
In any of the above embodiments, preferably, as shown in fig. 2 and 3, the upper cover 70 is centrally formed with an upper cover vent hole 70a, and the top fan 74 sucks air from the outside into the low-temperature electric room through the upper cover vent hole 70 a.
In this embodiment, the high temperature air flow within the upper electric compartment is exhausted from the upper lid vent 70a on the upper lid 70 by the driving action of the top fan 74; or the external low-temperature air flow is introduced into the upper electric appliance chamber from the upper cover vent hole 70a on the upper cover 70, so that the cooling of electric appliances in the upper electric appliance chamber is realized, the heat dissipation effect is ensured, and the heat dissipation efficiency is improved.
As shown in fig. 6, a fourth ventilation portion 80a for radiating heat generated by the heat generating tube 80 downward may be formed on the cavity 20, so that hot air enters the heating cavity 34 through the fourth ventilation portion 80 a. Wherein, the heating tube 80 can be bent into a substantially whole circular ring shape. A plurality of heating tube fixing members 83 may be provided. One end of the heating tube fixing member 83 is a substantially circular ring, and the other end is a free end with a folded edge. The heat pipe cover 81 is provided with a mounting hole 81 a. One end of the heating tube fixing member 83 can be sleeved on the surface of the heating tube 80, and the other end can pass through the mounting hole 81a of the heating tube cover 81 and be inversely hung on the heating tube cover 81 through the above-mentioned folded edge, thereby realizing the fixation of the heating tube 80.
In addition, a plurality of fixing brackets 84 are provided, a heating tube cover notch 81b may be provided at the edge of the heating tube cover 81, a heat shield notch 82a may be provided at the edge of the heat shield 82, and the plurality of fixing brackets 84 may be fitted into the heating tube cover notch 81b, the heat shield notch 82a, and the like to fix the heating tube cover 81 and the heat shield 82.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A heating cooker, characterized by comprising:
a cavity (20) in which a heating cavity (34) for placing food is formed;
the upper cover (70) is arranged on the cavity (20) in a covering mode, and an upper electric appliance chamber is defined between the upper cover (70) and the cavity (10);
the upper electric appliance chamber is internally provided with:
a top air deflector (73) which divides the upper electric appliance chamber into a high-temperature electric appliance chamber on the lower side and a low-temperature electric appliance chamber on the upper side;
the heating tube (80) is positioned in the high-temperature electric appliance chamber and is used for generating heat to heat the heating chamber (34);
a top fan (74) located within the low temperature appliance chamber;
a first ventilation part (73e) is formed on the top air deflector (73), and the top fan (74) blows air to the heating pipe (80) through the first ventilation part (73 e);
wherein the heating cooker is a cylindrical heating cooker;
a first air duct (73a) is arranged at the edge of the top air deflector (73), and under the driving of the top fan (74), the top air deflector (73) guides air flow to the outer side of the cavity (20) through the first air duct (73 a);
the upper surface of the top air deflector (73) is vertically provided with a plurality of air guiding sheets (73b) extending from the center to the edge.
2. The heating cooker according to claim 1,
the top air deflector (73) is disc-shaped, and the first ventilation part (73e) is positioned in the center of the top air deflector (73).
3. The heating cooker according to claim 1,
the top air deflector (73) is disc-shaped, and the first ventilation part (73e) is located between the center and the edge of the top air deflector (73).
4. The heating cooker according to claim 1, wherein the first air duct (73a) is a plurality of through holes provided in a circumferential direction of the top air guide plate (73); or the first air duct (73a) is a plurality of gaps arranged along the circumferential direction of the top air deflector (73).
5. The heating cooker according to any one of claims 1 to 3,
in the high-temperature electric appliance room, a heating tube cover (81) is covered above the heating tube (80), and a second ventilation part (81d) is formed on the surface of the heating tube cover (81).
6. The heating cooker according to claim 5,
in the high-temperature electric appliance room, a heat insulation cover (82) is covered above the heating pipe cover (81), and a third ventilation part (82b) is formed on the surface of the heat insulation cover (82).
7. The heating cooker according to any one of claims 1 to 3,
an upper cover vent hole (70a) is formed at the center of the upper cover (70),
the top fan (74) draws air from the outside into the low-temperature electric room through the upper cover vent hole (70 a).
8. The heating cooker according to any one of claims 1 to 3,
and a fourth ventilation part (80a) is arranged on the cavity (20) and faces the high-temperature electric appliance chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129215.1A CN108131696B (en) | 2018-02-08 | 2018-02-08 | Heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129215.1A CN108131696B (en) | 2018-02-08 | 2018-02-08 | Heating cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108131696A CN108131696A (en) | 2018-06-08 |
| CN108131696B true CN108131696B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810129215.1A Active CN108131696B (en) | 2018-02-08 | 2018-02-08 | Heating cooker |
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| CN (1) | CN108131696B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110179358A (en) * | 2019-04-30 | 2019-08-30 | 高亮 | A kind of radiator structure of cooking device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039540A (en) * | 2000-07-21 | 2002-02-06 | Matsushita Electric Ind Co Ltd | Cooker |
| CN1242716C (en) * | 2003-06-12 | 2006-02-22 | 胡启康 | Electricity oven |
| CN2640383Y (en) * | 2003-08-26 | 2004-09-15 | 欧锦锋 | Cyclone electric oven |
| CN100383458C (en) * | 2003-09-27 | 2008-04-23 | 乐金电子(天津)电器有限公司 | Microwave oven having circular cavity |
| JP4996994B2 (en) * | 2007-06-27 | 2012-08-08 | 日立アプライアンス株式会社 | Cooker |
| JP4637188B2 (en) * | 2008-01-30 | 2011-02-23 | シャープ株式会社 | Cooker |
| CN206261491U (en) * | 2016-09-18 | 2017-06-20 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
| CN206560362U (en) * | 2016-11-08 | 2017-10-17 | 九阳股份有限公司 | A kind of air fryer using safety |
| CN107289472A (en) * | 2017-06-15 | 2017-10-24 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
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2018
- 2018-02-08 CN CN201810129215.1A patent/CN108131696B/en active Active
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