CN216317072U - Cooking utensil - Google Patents

Abstract

The embodiment of the utility model discloses a cooking appliance, which comprises: a housing defining a cooking chamber; a microwave heating element disposed on the housing and configured to heat the cooking cavity; a steam generator disposed on the housing, the steam generator for supplying steam to the cooking cavity; the cooling piece is used for cooling the microwave heating element, and a cooling liquid outlet of the cooling piece is communicated with a liquid inlet of the steam generator. Therefore, part of energy converted into heat energy in the working process of the microwave heating element can be used for heating the liquid of the steam generator for generating steam, so that the energy utilization rate of the microwave heating element is improved, the energy consumption of the cooking appliance is improved, the initial temperature of the liquid for generating steam is higher, and the steam generating speed of the steam generator and the preheating speed of the cooking cavity can be improved.

Description

Cooking utensil

Technical Field

The utility model relates to the technical field of cooking appliances, in particular to a cooking appliance.

Background

In the related art, a microwave heating element is matched with a steam generator to cook, the microwave heating element radiates heat in an air cooling mode, the heat is radiated through a radiating fin arranged on a shell of the microwave heating element and a fan used for generating convection, and steam is supplied into a cooking cavity of the cooking appliance through the steam generator; on the other hand, the steam generator generates steam at a low speed and warms up the cooking chamber at a low speed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a cooking appliance that is less costly, more energy efficient, and faster both in steam generation speed and in cooking chamber preheating speed.

A cooking appliance according to an embodiment of the present invention includes: a housing defining a cooking chamber; a microwave heating element disposed on the housing and configured to heat the cooking cavity; a steam generator disposed on the housing, the steam generator for supplying steam to the cooking cavity; the cooling piece is used for cooling the microwave heating element, and a cooling liquid outlet of the cooling piece is communicated with a liquid inlet of the steam generator.

According to cooking utensil of this application embodiment, be used for carrying out refrigerated cooling piece to microwave heating element through the setting, and make the coolant outlet of cooling piece and steam generator's inlet intercommunication, effectively cool off microwave heating element, under the prerequisite of improving cooking utensil's job stabilization nature, the partial energy that converts heat energy in the microwave heating element course of work can be used for heating the liquid that steam generator is used for producing steam, with the energy utilization who improves microwave heating element, improve cooking utensil's energy consumption, the initial temperature for producing the liquid of steam is higher, can improve steam generator's steam production speed and the preheating rate in culinary art chamber.

According to some embodiments of the utility model, the cooking appliance further comprises: the water storage box is arranged on the shell, the cooling piece is arranged between the water storage box and the steam generator, and the water outlet end of the water storage box is communicated with the cooling liquid inlet of the cooling piece.

In some embodiments, the cooking appliance further comprises: the driving pump is arranged between the water storage box and the cooling piece; or between the cooling member and the steam generator.

According to some embodiments of the application, the cooling member is configured as a cooling plate, a cooling flow passage is provided in the cooling plate, one end of the cooling flow passage communicates with the cooling liquid inlet, and the other end of the cooling flow passage communicates with the cooling liquid outlet.

Further, the cooling flow passage is configured as a circulation flow passage.

In some embodiments, the cooling plate is configured as a mounting for a microwave heating element disposed on one side of the cooling plate, the other side of the cooling plate being secured to the housing.

Furthermore, the peripheral side of the cooling plate is also provided with radiating fins.

Further, the cooking appliance further includes: the power module is arranged on the shell, the power module is electrically connected with the microwave heating element, and at least part of one side of the cooling fin or the cooling plate is attached to the power module.

In some embodiments, the cooling member is configured as an aluminum alloy member.

According to some embodiments of the present application, the microwave heating element is configured as a semiconductor microwave source.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a cooking appliance according to an embodiment of the present application;

FIG. 2 is a schematic diagram of the cooperation of the microwave heating element, the steam generator, the cooler, the water storage box and the drive pump of the cooking appliance according to the embodiment of the present application;

FIG. 3 is a schematic view of a cooling member of an embodiment of a cooking appliance according to an embodiment of the present application;

FIG. 4 is a cross-sectional schematic view of the cooling element shown in FIG. 3;

FIG. 5 is a schematic view of a cooling member of another embodiment of a cooking appliance according to an embodiment of the present application;

fig. 6 is a schematic cross-sectional view of the cooling element of fig. 5.

Reference numerals:

the cooking appliance 100 is provided with a cooking unit,

the number of parts of the housing 10, the cooking chamber 11,

the microwave heating element 20 is provided with a heating element,

the cooling device comprises a steam generator 30, a cooling part 40, a cooling liquid outlet 41, a cooling liquid inlet 42, a water storage box 50, a driving pump 60 and a power supply module 70.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It can be understood that, in the prior art, on one hand, the microwave heating element 20 of the cooking appliance 100 is cooled by a set of air cooling assembly, and a part of heat of the microwave heating element 20 is dissipated by the air cooling assembly in the form of heat energy, although the microwave heating element 20 can be effectively cooled by the air cooling assembly, so as to improve the working stability of the microwave heating element 20, the effective power of the microwave heating element 20 can be reduced, and on the premise of reducing the energy utilization rate of the microwave heating element 20, the structure of the air cooling assembly (i.e. the fan, the cooling housing 10 and the heat dissipating fins arranged on the microwave heating element 20 to improve the heat dissipation efficiency) is complex and high in cost, and the production cost of the cooking appliance 100 can also be increased; on the other hand, the steam generator 30 heats the liquid at room temperature to generate steam, the phase transition temperature of the liquid is greatly different from the initial temperature of the liquid, and the preheating speed of the cooking cavity 11 by the steam generator 30 and the steam generation speed of the steam generator 30 are slow.

Based on this, the present invention provides a cooking appliance 100, which not only can improve the energy utilization rate of the microwave heating element 20 and reduce the cost of the cooking appliance 100; it is also possible to increase the steam generation speed of the steam generator 30 and the preheating speed of the cooking chamber 11.

A cooking appliance 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1, a cooking appliance 100 according to an embodiment of the present invention includes: a housing 10, a steam generator 30, a cooling member 40, and a microwave heating element 20.

In the cooking appliance 100 of the embodiment of the present invention, the steam generator 30 is configured to supply steam into the cooking cavity 11, and at the same time, the cooking cavity 11 may be preliminarily preheated by the steam, and the microwave heating element 20 is configured to heat the cooking cavity 11, so as to ripen the food material placed in the cooking cavity 11.

The casing 10 structure is any one of frame construction, tubbiness structure, and casing 10 cavity in order to inject culinary art chamber 11, and the edible material can be placed in culinary art chamber 11, and what correspond can set up the carousel structure in the bottom in culinary art chamber 11 to at the edible material culinary art in-process, make edible material can overturn, in order to improve the homogeneity of being heated of edible material, improve the culinary art effect.

Furthermore, the microwave heating element 20 is disposed on the housing 10, and may be fixed on a top plate, a bottom plate, or a side plate of the housing 10, and the microwave heating element 20 is used for heating the cooking cavity 11, that is, a through hole facing the microwave heating element 20 may be disposed on an area of the housing 10 for fixing the microwave heating element 20, so that the microwave heating element 20 may establish a microwave electric field in the cooking cavity 11 for heating the food material.

The steam generator 30 is disposed on the housing 10, and the steam generator 30 may also be disposed on a top plate, a bottom plate or a side plate of the housing 10, and the steam generator 30 may preheat the cooking cavity 11 by generating steam and ensure that the steam is in the cooking cavity 11 during the cooking process, i.e., the steam generator 30 is used to supply steam to the cooking cavity 11.

It should be noted that the present invention provides a cooling member 40 for cooling the microwave heating element 20, and the cooling liquid outlet 42 of the cooling member 40 is communicated with the liquid inlet of the steam generator 30.

Specifically, the microwave heating element 20 generates heat during operation, and by providing the cooling member 40 according to the present invention, the cooling member 40 can be formed as a lower housing, an upper housing or a side housing of the microwave heating element 20, so as to effectively cool the microwave heating element 20 through the cooling member 40, improve the working stability of the microwave heating element 20, meanwhile, the cooling liquid outlet 42 of the cooling part 40 is communicated with the liquid inlet of the steam generator 30, and the temperature of the cooling liquid entering the cooling part 40 is increased by the cooling part 40 in the cooling process, the coolant having the increased temperature is introduced into the steam generator 30 to generate steam, so that the initial temperature of the liquid for generating steam can be increased, the temperature difference between the liquid for generating steam and the phase transition temperature can be decreased, to increase the steam generation speed of the steam generator 30 and thus increase the preheating speed of the cooking chamber 11 by the steam generator 30.

To sum up, according to the cooking utensil 100 of the embodiment of the present application, by providing the cooling member 40 for cooling the microwave heating element 20, and making the cooling liquid outlet 42 of the cooling member 40 communicate with the liquid inlet of the steam generator 30, the microwave heating element 20 is effectively cooled, so as to improve the working stability of the cooking utensil 100, a part of energy converted into heat energy in the working process of the microwave heating element 20 can be used for heating the liquid used for generating steam by the steam generator 30, so as to improve the energy utilization rate of the microwave heating element 20, improve the energy consumption of the cooking utensil 100, make the initial temperature of the liquid used for generating steam higher, and can improve the steam generation speed of the steam generator 30 and the preheating speed of the cooking cavity 11.

In the embodiment shown in fig. 1 and 2, the cooking appliance 100 further includes: the water storage box 50, the water storage box 50 is arranged on the shell 10, the cooling element 40 is arranged between the water storage box 50 and the steam generator 30, and the water outlet end of the water storage box 50 is communicated with the cooling liquid inlet 41 of the cooling element 40.

Specifically, the water storage box 50 is used for storing water, and the above-mentioned liquid for generating steam is water, a purification device may be arranged inside the water storage box 50 or the water storage box 50 may be configured as a conventional container (i.e. a kettle, a water tank, etc.), the water storage box 50 has a filling port and a liquid outlet, a user may inject water into the water storage box 50 through the filling port before cooking food, the liquid outlet is arranged near the bottom wall of the water storage box 50 and connected with the coolant inlet 41, so that in the operation process of the steam generator 30, the water storage box 50 serves as a water source to supply water to the cooling element 40 and the steam generator 30, the operation stability of the steam generator 30 is improved, and the water has a higher specific heat capacity, and the cooling effect and the cooling efficiency of the cooling element 40 can also be improved.

Preferably, can set up the water injection line on water storage box 50, the user can judge the water yield in the water storage box 50 through the water injection line, and then, can also set up level sensor on water storage box 50, with the liquid level height in detecting water storage box 50 through level sensor, judge the water yield in the water storage box 50, and when the water yield is less in water storage box 50, in time inform the user, the user can in time moisturizing, further improve cooking utensil 100's job stabilization nature, and reduce the degree of difficulty of user to the water yield perception in water storage box 50, improve and use experience.

It should be noted that a slide rail may be provided on the housing 10 of the cooking appliance 100; or a buckle; or a plug-in post and the like, and a sliding groove matched with the sliding rail is correspondingly arranged on the water storage box 50; or a clamping groove matched with the buckle; or with grafting post complex inserting groove to make the dismantlement of water storage box 50 on casing 10 simpler, convenient, thereby be convenient for the dismantlement and the washing of water storage box 50, improve the convenience of use, slide rail, buckle or the grafting post on the casing 10 can be a plurality of simultaneously, and spout, draw-in groove or inserting groove on the water storage box 50 that corresponds are a plurality of, thereby can improve the fixed stability of water storage box 50 on casing 10.

As shown in fig. 1 and 2, in some embodiments, the cooking appliance 100 further includes: a driving pump 60, the driving pump 60 being disposed between the water storage box 50 and the cooling member 40; or between the cooling member 40 and the steam generator 30.

That is, in some embodiments, the liquid outlet of the water storage box 50 is communicated with the liquid inlet of the driving pump 60, the liquid outlet of the driving pump 60 is communicated with the cooling liquid inlet 41 of the cooling member 40, the cooling liquid outlet 42 of the cooling member 40 is communicated with the liquid inlet of the steam generator 30, and the steam outlet of the steam generator 30 is communicated with the cooking cavity 11; in other embodiments, the liquid outlet of the water storage box 50 is communicated with the cooling liquid inlet 41 of the cooling member 40, the cooling liquid outlet 42 of the cooling member 40 is communicated with the liquid inlet of the driving pump 60, the liquid outlet of the driving pump 60 is communicated with the liquid inlet of the steam generator 30, and the steam outlet of the steam generator 30 is communicated with the cooking cavity 11.

In this way, the driving pump 60 is used as a power source, the driving pump 60 is used for driving the water in the water storage box 50 to flow through the cooling part 40 and the steam generator 30 in sequence, so as to cool the microwave heating element 20 in the cooling part 40 and realize the preliminary temperature rise, and further raise the temperature in the steam generator 30 to the phase transition temperature (100 ℃) so as to realize the steam supply to the cooking cavity 11.

The drive pump 60 may be any one of a reciprocating pump, a plunger pump, a diaphragm pump, and a gear pump.

As shown in fig. 3-6, according to some embodiments of the present application, the cooling member 40 is configured as a cooling plate in which a cooling flow passage is disposed, one end of the cooling flow passage communicating with a cooling fluid inlet 41, and the other end of the cooling flow passage communicating with a cooling fluid outlet 42.

It is understood that the cooling plate includes: the cooling device comprises an upper plate, a side plate, a lower plate and a partition plate, wherein a cooling space is defined between the upper plate, the side plate and the lower plate, the partition plate is arranged in the cooling space, the upper side surface and the lower side surface of the partition plate are respectively attached to the upper plate and the lower plate so as to define a cooling flow channel, a cooling liquid inlet 41 and a cooling liquid outlet 42 can be arranged on the side plate, and the position of the cooling liquid inlet 41 and the position of the cooling liquid outlet 42 can be respectively provided with a section of pipeline so as to be conveniently communicated with surrounding components.

Referring to fig. 4, in some embodiments, the cooling channel is configured as a circulating channel, i.e., the cooling channel has a serpentine shape and circulates back and forth, and one end of the cooling channel is communicated with the cooling liquid inlet 41, and the other end of the cooling channel is communicated with the cooling liquid outlet 42; referring to fig. 6, in other embodiments, the cooling flow path includes: first album of liquid end and second collection liquid end, set up many parallelly connected sub-cooling flow channel between first collection liquid end and second collection liquid end, first collection liquid end and coolant liquid inlet 41 intercommunication, the second inlet end communicates with coolant liquid outlet 42, in making water shunt system a plurality of sub-cooling flow channels after first collection liquid end reposition of redundant personnel, and discharge through coolant liquid outlet 42 after second collection liquid end mass flow, in order to ensure the cooling effect of cooling piece 40, it can be understood that, the structure of the inside cooling flow channel of cooling piece 40 is not limited to this, can realize that the structure that cooling piece 40 stabilized cooling all is the optional structural style of this application, no longer describe here any more.

The bottom plate and the side plate of the cooling part 40 are integrally formed, the side plate is fixed on the circumferential edge of the bottom plate, the upper end face of the side plate and the upper plate are fixed through a sealant or a sealing part is arranged between the upper end face of the side plate and the upper plate so as to improve the sealing performance of the cooling part 40, in the embodiment that the sealing part is arranged between the side plate and the upper plate, a sealing groove is arranged on the upper end face of the side plate, the sealing part is constructed into a rubber gasket and at least partially accommodated in the sealing groove, and the other part is compressed by the upper plate so as to realize effective sealing.

In some embodiments, the cooling plate is configured as a mounting for microwave heating element 20, with microwave heating element 20 being disposed on one side of the cooling plate and the other side of the cooling plate being secured to housing 10.

In other words, the cooling plate is formed as a mounting seat of the microwave heating element 20, that is, a mounting groove is provided on the upper plate of the cooling plate, and a mounting hole is provided on the cooling plate on duty, the mounting hole is configured as a blind hole, the microwave heating element 20 is disposed in the mounting groove and fixed on the mounting hole by a fastening member, so as to improve the fixing stability of the cooling plate and the microwave heating element 20, it can be understood that the lower side surface of the microwave heating element 20 is a heat source, and the cooling member 40 is attached to the lower side surface of the microwave heating element 20, so as to improve the cooling effect of the cooling member 40 on the microwave heating element 20.

Further, a heat conductive silicone grease may be provided in the fitting groove to fill a gap between the lower side surface of the microwave heating element 20 and the upper plate of the cooling member 40, so as to further improve the heat dissipation effect of the cooling member 40 to the microwave heating element 20.

In some embodiments, the cooling member 40 is an aluminum alloy member with good thermal conductivity and low cost, and in other embodiments, the cooling member 40 is a copper alloy member with better heat dissipation performance than the aluminum alloy member.

Furthermore, in order to improve the heat dissipation efficiency of the cooling element 40 plate, a heat dissipation side plate may be further disposed on the side plate of the cooling plate, that is, a heat dissipation fin is further disposed on the periphery side of the cooling plate, so as to improve the heat exchange efficiency between the cooling plate and the surrounding space, and the cooling effect of the cooling element 40 on the microwave heating element 20 is further improved by combining air cooling and water cooling.

As shown in fig. 1 and 2, the cooking appliance 100 further includes: the power module 70, the power module 70 is disposed on the housing 10, the power module 70 is electrically connected to the microwave heating element 20, and at least a portion of one side of the heat dissipation fin or the cooling plate is attached to the power module 70.

In other words, the power module 70 is electrically connected to the driving pump 60, the liquid level sensor in the water storage box 50, the steam generator 30 and the microwave heating element 20, the dotted line connection in fig. 1 indicates electrical connection, and the solid line connection indicates water path connection through a water pipe, it can be understood that the power module 70 may also generate a certain amount of waste heat during the operation of the cooking appliance 100, so that the power module 70 and the cooling plate are at least partially attached to each other or the region where the heat dissipation fins on the cooling plate are attached to the power module 70, thereby cooling the power module 70, avoiding overheating of the power module 70, improving the operation stability of the power module 70, and further improving the operation stability and the use safety of the cooking appliance 100.

According to some embodiments of the present application, the microwave heating element 20 is configured as a semiconductor microwave source, wherein the semiconductor microwave source 20 may be an LDMOS (laterally double-diffused metal-oxide semiconductor) tube or a GaN (gallium nitride) tube, and the semiconductor microwave source is directly fixed on the cooling plate, so that heat generated by the semiconductor microwave source can be directly transferred to the cooling plate, and the heat dissipation effect is better.

In addition, according to the cooking utensil 100 of the embodiment of the utility model, the semiconductor microwave source is adopted for cooking, and the cooling plate is adopted for effectively cooling the semiconductor microwave source, so that the space utilization rate of the cooking utensil 100 can be improved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment 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.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A cooking appliance, comprising:

a housing defining a cooking chamber;

a microwave heating element disposed on the housing and configured to heat the cooking cavity;

a steam generator disposed on the housing, the steam generator for supplying steam to the cooking cavity;

the cooling piece is used for cooling the microwave heating element, and a cooling liquid outlet of the cooling piece is communicated with a liquid inlet of the steam generator.

2. The cooking appliance of claim 1, further comprising: the water storage box is arranged on the shell, the cooling piece is arranged between the water storage box and the steam generator, and the water outlet end of the water storage box is communicated with the cooling liquid inlet of the cooling piece.

3. The cooking appliance of claim 2, further comprising: the driving pump is arranged between the water storage box and the cooling piece; or between the cooling member and the steam generator.

4. The cooking appliance of claim 1, wherein the cooling member is configured as a cooling plate having a cooling channel disposed therein, one end of the cooling channel being in communication with the cooling liquid inlet, and the other end of the cooling channel being in communication with the cooling liquid outlet.

5. The cooking appliance of claim 4, wherein the cooling flow path is configured as a circulation flow path.

6. The cooking appliance of claim 4, wherein the cooling plate is configured as a mounting for a microwave heating element disposed on one side of the cooling plate, the other side of the cooling plate being secured to the housing.

7. The cooking appliance according to claim 6, wherein the cooling plate is further provided with heat dissipating fins on a peripheral side thereof.

8. The cooking appliance of claim 7, further comprising: the power module is arranged on the shell, the power module is electrically connected with the microwave heating element, and at least part of one side of the cooling fin or the cooling plate is attached to the power module.

9. The cooking appliance of claim 1, wherein the cooling member is configured as an aluminum alloy member.

10. The cooking appliance of any one of claims 1 to 9, wherein the microwave heating element is configured as a semiconductor microwave source.

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